!function(e, t) {
    "object" == typeof exports && "object" == typeof module ? module.exports = t() : "function" == typeof define && define.amd ? define("babylonjs", [], t) : "object" == typeof exports ? exports.babylonjs = t() : e.BABYLON = t()
}("undefined" != typeof self ? self : "undefined" != typeof global ? global : this, (function() {
    return (()=>{
        "use strict";
        var e = {
            d: (t,i)=>{
                for (var n in i)
                    e.o(i, n) && !e.o(t, n) && Object.defineProperty(t, n, {
                        enumerable: !0,
                        get: i[n]
                    })
            }
        };
        e.g = function() {
            if ("object" == typeof globalThis)
                return globalThis;
            try {
                return this || new Function("return this")()
            } catch (e) {
                if ("object" == typeof window)
                    return window
            }
        }(),
        e.o = (e,t)=>Object.prototype.hasOwnProperty.call(e, t),
        e.r = e=>{
            "undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(e, Symbol.toStringTag, {
                value: "Module"
            }),
            Object.defineProperty(e, "__esModule", {
                value: !0
            })
        }
        ;
        var t = {};
        e.d(t, {
            default: ()=>XE
        });
        var i = {};
        e.r(i),
        e.d(i, {
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            BoneAxesViewer: ()=>Rl,
            DebugLayer: ()=>Cl,
            DebugLayerTab: ()=>bl,
            DirectionalLightFrustumViewer: ()=>uc,
            PhysicsViewer: ()=>Wl,
            RayHelper: ()=>tc,
            SkeletonViewer: ()=>cc
        });
        var n = {};
        e.r(n),
        e.d(n, {
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            AdvancedTimer: ()=>Uf,
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            ArcRotateCameraInputsManager: ()=>Ko,
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            TubeBuilder: ()=>Dv,
            TwirlBlock: ()=>Lm,
            UniformBuffer: ()=>Fi,
            UniversalCamera: ()=>Na,
            UnregisterAllMaterialPlugins: ()=>xs,
            UnregisterMaterialPlugin: ()=>As,
            UploadContent: ()=>Z_,
            UploadEnvLevelsAsync: ()=>Hc,
            UploadEnvSpherical: ()=>Yc,
            UploadLevelsAsync: ()=>jc,
            UtilityLayerRenderer: ()=>El,
            VRCameraMetrics: ()=>ts,
            VRDeviceOrientationArcRotateCamera: ()=>cs,
            VRDeviceOrientationFreeCamera: ()=>us,
            VRDeviceOrientationGamepadCamera: ()=>hs,
            VRDistortionCorrectionPostProcess: ()=>is,
            VRExperienceHelper: ()=>hl,
            VRMultiviewToSingleviewPostProcess: ()=>ss,
            ValidatedNativeDataStream: ()=>Ku,
            ValueCondition: ()=>X,
            Vector2: ()=>A,
            Vector3: ()=>x,
            Vector4: ()=>R,
            VectorMergerBlock: ()=>sf,
            VectorSplitterBlock: ()=>Jm,
            VertexAnimationBaker: ()=>so,
            VertexBuffer: ()=>Bi,
            VertexData: ()=>$n,
            VertexFormat: ()=>Uu,
            VertexOutputBlock: ()=>jp,
            VideoDome: ()=>Xf,
            VideoRecorder: ()=>ST,
            VideoTexture: ()=>Hf,
            ViewDirectionBlock: ()=>rg,
            Viewport: ()=>xr,
            VirtualJoystick: ()=>ua,
            VirtualJoysticksCamera: ()=>es,
            ViveController: ()=>ud,
            VolumetricLightScatteringPostProcess: ()=>Eb,
            VoronoiNoiseBlock: ()=>Wg,
            WaveBlock: ()=>yg,
            WaveBlockKind: ()=>gg,
            WebGL2ParticleSystem: ()=>oy,
            WebGL2ShaderProcessor: ()=>wt,
            WebGLDataBuffer: ()=>Ut,
            WebGLHardwareTexture: ()=>kt,
            WebGLPipelineContext: ()=>Vt,
            WebGPUCacheBindGroups: ()=>Nh,
            WebGPUCacheRenderPipeline: ()=>Ah,
            WebGPUCacheRenderPipelineTree: ()=>Rh,
            WebGPUCacheSampler: ()=>Th,
            WebGPUDataBuffer: ()=>_h,
            WebGPUDrawContext: ()=>Oh,
            WebGPUEngine: ()=>Qh,
            WebGPUTintWASM: ()=>Yh,
            WebRequest: ()=>Ye,
            WebVRController: ()=>_s,
            WebVRFreeCamera: ()=>fs,
            WebXRAbstractFeature: ()=>wp,
            WebXRAbstractMotionController: ()=>xp,
            WebXRAnchorSystem: ()=>$T,
            WebXRBackgroundRemover: ()=>iE,
            WebXRCamera: ()=>Ep,
            WebXRCompositionLayerWrapper: ()=>AE,
            WebXRControllerComponent: ()=>Ap,
            WebXRControllerMovement: ()=>mE,
            WebXRControllerPhysics: ()=>rE,
            WebXRControllerPointerSelection: ()=>Bp,
            WebXRDefaultExperience: ()=>Gf,
            WebXRDefaultExperienceOptions: ()=>kf,
            WebXRDomOverlay: ()=>_E,
            WebXREnterExitUI: ()=>wf,
            WebXREnterExitUIButton: ()=>Lf,
            WebXREnterExitUIOptions: ()=>Ff,
            WebXRExperienceHelper: ()=>Sp,
            WebXREyeTracking: ()=>vE,
            WebXRFeatureName: ()=>Io,
            WebXRFeaturePointSystem: ()=>sE,
            WebXRFeaturesManager: ()=>Oo,
            WebXRGenericHandController: ()=>OE,
            WebXRGenericTriggerMotionController: ()=>Rp,
            WebXRHTCViveMotionController: ()=>BE,
            WebXRHand: ()=>uE,
            WebXRHandTracking: ()=>hE,
            WebXRHitTest: ()=>oE,
            WebXRHitTestLegacy: ()=>ZT,
            WebXRImageTracking: ()=>fE,
            WebXRInput: ()=>Fp,
            WebXRInputSource: ()=>Lp,
            WebXRLayers: ()=>IE,
            WebXRLightEstimation: ()=>gE,
            WebXRManagedOutputCanvas: ()=>Gs,
            WebXRManagedOutputCanvasOptions: ()=>ks,
            WebXRMeshDetector: ()=>pE,
            WebXRMicrosoftMixedRealityController: ()=>NE,
            WebXRMotionControllerManager: ()=>Ip,
            WebXRMotionControllerTeleportation: ()=>Vf,
            WebXRNearControllerMode: ()=>Pf,
            WebXRNearInteraction: ()=>Df,
            WebXROculusTouchMotionController: ()=>FE,
            WebXRPlaneDetector: ()=>tE,
            WebXRProfiledMotionController: ()=>Pp,
            WebXRProjectionLayerWrapper: ()=>RE,
            WebXRSessionManager: ()=>Xs,
            WebXRState: ()=>Ns,
            WebXRTrackingState: ()=>Ls,
            WebXRWalkingLocomotion: ()=>SE,
            WeightedSound: ()=>Kr,
            WindowsMotionController: ()=>dd,
            WorkerPool: ()=>gp,
            WorleyNoise3DBlock: ()=>Sg,
            XRWindowsMotionController: ()=>pd,
            Xbox360Button: ()=>Sa,
            Xbox360Dpad: ()=>Aa,
            Xbox360Pad: ()=>Ma,
            XboxInput: ()=>Di,
            _BabylonLoaderRegistered: ()=>D_,
            _BasisTextureLoader: ()=>dm,
            _CreationDataStorage: ()=>Lr,
            _DDSTextureLoader: ()=>fp,
            _ENVTextureLoader: ()=>_p,
            _HDRTextureLoader: ()=>em,
            _IAnimationState: ()=>Ke,
            _InstancesBatch: ()=>wr,
            _KTXTextureLoader: ()=>Tp,
            _MeshCollisionData: ()=>br,
            _OcclusionDataStorage: ()=>fc,
            _PrimaryIsoTriangle: ()=>Vv,
            _TGATextureLoader: ()=>$_,
            _TimeToken: ()=>pc,
            _UpdateRGBDAsync: ()=>Kc,
            _forceSceneHelpersToBundle: ()=>zf,
            _forceTransformFeedbackToBundle: ()=>_c,
            _injectLTSFileTools: ()=>ci,
            allocateAndCopyTypedBuffer: ()=>gr,
            className: ()=>vi,
            createDetailMapPlugin: ()=>$g,
            createPBRAnisotropicPlugin: ()=>Kg,
            createPBRBRDFPlugin: ()=>Qg,
            createPBRClearCoatPlugin: ()=>qg,
            createPBRSheenPlugin: ()=>Zg,
            createPBRSubSurfacePlugin: ()=>Jg,
            createYieldingScheduler: ()=>Yn,
            editableInPropertyPage: ()=>Yp,
            expandToProperty: ()=>Re,
            extractMinAndMax: ()=>ur,
            extractMinAndMaxIndexed: ()=>cr,
            inlineScheduler: ()=>jn,
            makeAsyncFunction: ()=>Jn,
            makeSyncFunction: ()=>Zn,
            nativeOverride: ()=>ze,
            normalizeEnvInfo: ()=>kc,
            runCoroutine: ()=>Kn,
            runCoroutineAsync: ()=>qn,
            runCoroutineSync: ()=>Qn,
            serialize: ()=>Ce,
            serializeAsCameraReference: ()=>Ve,
            serializeAsColor3: ()=>Me,
            serializeAsColor4: ()=>Fe,
            serializeAsColorCurves: ()=>Le,
            serializeAsFresnelParameters: ()=>Ie,
            serializeAsImageProcessingConfiguration: ()=>we,
            serializeAsMatrix: ()=>Ue,
            serializeAsMeshReference: ()=>Ne,
            serializeAsQuaternion: ()=>Be,
            serializeAsTexture: ()=>Pe,
            serializeAsVector2: ()=>Oe,
            serializeAsVector3: ()=>De,
            setAndStartTimer: ()=>Bf,
            setStereoscopicAnaglyphRigMode: ()=>Ga,
            setStereoscopicRigMode: ()=>Ka,
            setVRRigMode: ()=>ls,
            setWebVRRigMode: ()=>ps
        });
        var o = function() {
            function e() {
                this.rootNodes = new Array,
                this.cameras = new Array,
                this.lights = new Array,
                this.meshes = new Array,
                this.skeletons = new Array,
                this.particleSystems = new Array,
                this.animations = [],
                this.animationGroups = new Array,
                this.multiMaterials = new Array,
                this.materials = new Array,
                this.morphTargetManagers = new Array,
                this.geometries = new Array,
                this.transformNodes = new Array,
                this.actionManagers = new Array,
                this.textures = new Array,
                this._environmentTexture = null,
                this.postProcesses = new Array
            }
            return e.AddParser = function(e, t) {
                this._BabylonFileParsers[e] = t
            }
            ,
            e.GetParser = function(e) {
                return this._BabylonFileParsers[e] ? this._BabylonFileParsers[e] : null
            }
            ,
            e.AddIndividualParser = function(e, t) {
                this._IndividualBabylonFileParsers[e] = t
            }
            ,
            e.GetIndividualParser = function(e) {
                return this._IndividualBabylonFileParsers[e] ? this._IndividualBabylonFileParsers[e] : null
            }
            ,
            e.Parse = function(e, t, i, n) {
                for (var r in this._BabylonFileParsers)
                    Object.prototype.hasOwnProperty.call(this._BabylonFileParsers, r) && this._BabylonFileParsers[r](e, t, i, n)
            }
            ,
            Object.defineProperty(e.prototype, "environmentTexture", {
                get: function() {
                    return this._environmentTexture
                },
                set: function(e) {
                    this._environmentTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getNodes = function() {
                var e = new Array;
                return e = (e = (e = (e = e.concat(this.meshes)).concat(this.lights)).concat(this.cameras)).concat(this.transformNodes),
                this.skeletons.forEach((function(t) {
                    return e = e.concat(t.bones)
                }
                )),
                e
            }
            ,
            e._BabylonFileParsers = {},
            e._IndividualBabylonFileParsers = {},
            e
        }()
          , a = function() {
            function e() {}
            return e.ALPHA_DISABLE = 0,
            e.ALPHA_ADD = 1,
            e.ALPHA_COMBINE = 2,
            e.ALPHA_SUBTRACT = 3,
            e.ALPHA_MULTIPLY = 4,
            e.ALPHA_MAXIMIZED = 5,
            e.ALPHA_ONEONE = 6,
            e.ALPHA_PREMULTIPLIED = 7,
            e.ALPHA_PREMULTIPLIED_PORTERDUFF = 8,
            e.ALPHA_INTERPOLATE = 9,
            e.ALPHA_SCREENMODE = 10,
            e.ALPHA_ONEONE_ONEONE = 11,
            e.ALPHA_ALPHATOCOLOR = 12,
            e.ALPHA_REVERSEONEMINUS = 13,
            e.ALPHA_SRC_DSTONEMINUSSRCALPHA = 14,
            e.ALPHA_ONEONE_ONEZERO = 15,
            e.ALPHA_EXCLUSION = 16,
            e.ALPHA_LAYER_ACCUMULATE = 17,
            e.ALPHA_EQUATION_ADD = 0,
            e.ALPHA_EQUATION_SUBSTRACT = 1,
            e.ALPHA_EQUATION_REVERSE_SUBTRACT = 2,
            e.ALPHA_EQUATION_MAX = 3,
            e.ALPHA_EQUATION_MIN = 4,
            e.ALPHA_EQUATION_DARKEN = 5,
            e.DELAYLOADSTATE_NONE = 0,
            e.DELAYLOADSTATE_LOADED = 1,
            e.DELAYLOADSTATE_LOADING = 2,
            e.DELAYLOADSTATE_NOTLOADED = 4,
            e.NEVER = 512,
            e.ALWAYS = 519,
            e.LESS = 513,
            e.EQUAL = 514,
            e.LEQUAL = 515,
            e.GREATER = 516,
            e.GEQUAL = 518,
            e.NOTEQUAL = 517,
            e.KEEP = 7680,
            e.ZERO = 0,
            e.REPLACE = 7681,
            e.INCR = 7682,
            e.DECR = 7683,
            e.INVERT = 5386,
            e.INCR_WRAP = 34055,
            e.DECR_WRAP = 34056,
            e.TEXTURE_CLAMP_ADDRESSMODE = 0,
            e.TEXTURE_WRAP_ADDRESSMODE = 1,
            e.TEXTURE_MIRROR_ADDRESSMODE = 2,
            e.TEXTURE_CREATIONFLAG_STORAGE = 1,
            e.TEXTUREFORMAT_ALPHA = 0,
            e.TEXTUREFORMAT_LUMINANCE = 1,
            e.TEXTUREFORMAT_LUMINANCE_ALPHA = 2,
            e.TEXTUREFORMAT_RGB = 4,
            e.TEXTUREFORMAT_RGBA = 5,
            e.TEXTUREFORMAT_RED = 6,
            e.TEXTUREFORMAT_R = 6,
            e.TEXTUREFORMAT_RG = 7,
            e.TEXTUREFORMAT_RED_INTEGER = 8,
            e.TEXTUREFORMAT_R_INTEGER = 8,
            e.TEXTUREFORMAT_RG_INTEGER = 9,
            e.TEXTUREFORMAT_RGB_INTEGER = 10,
            e.TEXTUREFORMAT_RGBA_INTEGER = 11,
            e.TEXTUREFORMAT_BGRA = 12,
            e.TEXTUREFORMAT_DEPTH24_STENCIL8 = 13,
            e.TEXTUREFORMAT_DEPTH32_FLOAT = 14,
            e.TEXTUREFORMAT_DEPTH16 = 15,
            e.TEXTUREFORMAT_DEPTH24 = 16,
            e.TEXTUREFORMAT_COMPRESSED_RGBA_BPTC_UNORM = 36492,
            e.TEXTUREFORMAT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT = 36495,
            e.TEXTUREFORMAT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT = 36494,
            e.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT5 = 33779,
            e.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT3 = 33778,
            e.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT1 = 33777,
            e.TEXTUREFORMAT_COMPRESSED_RGB_S3TC_DXT1 = 33776,
            e.TEXTUREFORMAT_COMPRESSED_RGBA_ASTC_4x4 = 37808,
            e.TEXTUREFORMAT_COMPRESSED_RGB_ETC1_WEBGL = 36196,
            e.TEXTURETYPE_UNSIGNED_BYTE = 0,
            e.TEXTURETYPE_UNSIGNED_INT = 0,
            e.TEXTURETYPE_FLOAT = 1,
            e.TEXTURETYPE_HALF_FLOAT = 2,
            e.TEXTURETYPE_BYTE = 3,
            e.TEXTURETYPE_SHORT = 4,
            e.TEXTURETYPE_UNSIGNED_SHORT = 5,
            e.TEXTURETYPE_INT = 6,
            e.TEXTURETYPE_UNSIGNED_INTEGER = 7,
            e.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4 = 8,
            e.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1 = 9,
            e.TEXTURETYPE_UNSIGNED_SHORT_5_6_5 = 10,
            e.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV = 11,
            e.TEXTURETYPE_UNSIGNED_INT_24_8 = 12,
            e.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV = 13,
            e.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV = 14,
            e.TEXTURETYPE_FLOAT_32_UNSIGNED_INT_24_8_REV = 15,
            e.TEXTURETYPE_UNDEFINED = 16,
            e.TEXTURE_NEAREST_SAMPLINGMODE = 1,
            e.TEXTURE_NEAREST_NEAREST = 1,
            e.TEXTURE_BILINEAR_SAMPLINGMODE = 2,
            e.TEXTURE_LINEAR_LINEAR = 2,
            e.TEXTURE_TRILINEAR_SAMPLINGMODE = 3,
            e.TEXTURE_LINEAR_LINEAR_MIPLINEAR = 3,
            e.TEXTURE_NEAREST_NEAREST_MIPNEAREST = 4,
            e.TEXTURE_NEAREST_LINEAR_MIPNEAREST = 5,
            e.TEXTURE_NEAREST_LINEAR_MIPLINEAR = 6,
            e.TEXTURE_NEAREST_LINEAR = 7,
            e.TEXTURE_NEAREST_NEAREST_MIPLINEAR = 8,
            e.TEXTURE_LINEAR_NEAREST_MIPNEAREST = 9,
            e.TEXTURE_LINEAR_NEAREST_MIPLINEAR = 10,
            e.TEXTURE_LINEAR_LINEAR_MIPNEAREST = 11,
            e.TEXTURE_LINEAR_NEAREST = 12,
            e.TEXTURE_EXPLICIT_MODE = 0,
            e.TEXTURE_SPHERICAL_MODE = 1,
            e.TEXTURE_PLANAR_MODE = 2,
            e.TEXTURE_CUBIC_MODE = 3,
            e.TEXTURE_PROJECTION_MODE = 4,
            e.TEXTURE_SKYBOX_MODE = 5,
            e.TEXTURE_INVCUBIC_MODE = 6,
            e.TEXTURE_EQUIRECTANGULAR_MODE = 7,
            e.TEXTURE_FIXED_EQUIRECTANGULAR_MODE = 8,
            e.TEXTURE_FIXED_EQUIRECTANGULAR_MIRRORED_MODE = 9,
            e.TEXTURE_FILTERING_QUALITY_OFFLINE = 4096,
            e.TEXTURE_FILTERING_QUALITY_HIGH = 64,
            e.TEXTURE_FILTERING_QUALITY_MEDIUM = 16,
            e.TEXTURE_FILTERING_QUALITY_LOW = 8,
            e.SCALEMODE_FLOOR = 1,
            e.SCALEMODE_NEAREST = 2,
            e.SCALEMODE_CEILING = 3,
            e.MATERIAL_TextureDirtyFlag = 1,
            e.MATERIAL_LightDirtyFlag = 2,
            e.MATERIAL_FresnelDirtyFlag = 4,
            e.MATERIAL_AttributesDirtyFlag = 8,
            e.MATERIAL_MiscDirtyFlag = 16,
            e.MATERIAL_PrePassDirtyFlag = 32,
            e.MATERIAL_AllDirtyFlag = 63,
            e.MATERIAL_TriangleFillMode = 0,
            e.MATERIAL_WireFrameFillMode = 1,
            e.MATERIAL_PointFillMode = 2,
            e.MATERIAL_PointListDrawMode = 3,
            e.MATERIAL_LineListDrawMode = 4,
            e.MATERIAL_LineLoopDrawMode = 5,
            e.MATERIAL_LineStripDrawMode = 6,
            e.MATERIAL_TriangleStripDrawMode = 7,
            e.MATERIAL_TriangleFanDrawMode = 8,
            e.MATERIAL_ClockWiseSideOrientation = 0,
            e.MATERIAL_CounterClockWiseSideOrientation = 1,
            e.ACTION_NothingTrigger = 0,
            e.ACTION_OnPickTrigger = 1,
            e.ACTION_OnLeftPickTrigger = 2,
            e.ACTION_OnRightPickTrigger = 3,
            e.ACTION_OnCenterPickTrigger = 4,
            e.ACTION_OnPickDownTrigger = 5,
            e.ACTION_OnDoublePickTrigger = 6,
            e.ACTION_OnPickUpTrigger = 7,
            e.ACTION_OnPickOutTrigger = 16,
            e.ACTION_OnLongPressTrigger = 8,
            e.ACTION_OnPointerOverTrigger = 9,
            e.ACTION_OnPointerOutTrigger = 10,
            e.ACTION_OnEveryFrameTrigger = 11,
            e.ACTION_OnIntersectionEnterTrigger = 12,
            e.ACTION_OnIntersectionExitTrigger = 13,
            e.ACTION_OnKeyDownTrigger = 14,
            e.ACTION_OnKeyUpTrigger = 15,
            e.PARTICLES_BILLBOARDMODE_Y = 2,
            e.PARTICLES_BILLBOARDMODE_ALL = 7,
            e.PARTICLES_BILLBOARDMODE_STRETCHED = 8,
            e.MESHES_CULLINGSTRATEGY_STANDARD = 0,
            e.MESHES_CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY = 1,
            e.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION = 2,
            e.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION_THEN_BSPHERE_ONLY = 3,
            e.SCENELOADER_NO_LOGGING = 0,
            e.SCENELOADER_MINIMAL_LOGGING = 1,
            e.SCENELOADER_SUMMARY_LOGGING = 2,
            e.SCENELOADER_DETAILED_LOGGING = 3,
            e.PREPASS_IRRADIANCE_TEXTURE_TYPE = 0,
            e.PREPASS_POSITION_TEXTURE_TYPE = 1,
            e.PREPASS_VELOCITY_TEXTURE_TYPE = 2,
            e.PREPASS_REFLECTIVITY_TEXTURE_TYPE = 3,
            e.PREPASS_COLOR_TEXTURE_TYPE = 4,
            e.PREPASS_DEPTH_TEXTURE_TYPE = 5,
            e.PREPASS_NORMAL_TEXTURE_TYPE = 6,
            e.PREPASS_ALBEDO_SQRT_TEXTURE_TYPE = 7,
            e.BUFFER_CREATIONFLAG_READ = 1,
            e.BUFFER_CREATIONFLAG_WRITE = 2,
            e.BUFFER_CREATIONFLAG_READWRITE = 3,
            e.BUFFER_CREATIONFLAG_UNIFORM = 4,
            e.BUFFER_CREATIONFLAG_VERTEX = 8,
            e.BUFFER_CREATIONFLAG_INDEX = 16,
            e.BUFFER_CREATIONFLAG_STORAGE = 32,
            e.RENDERPASS_MAIN = 0,
            e.INPUT_ALT_KEY = 18,
            e.INPUT_CTRL_KEY = 17,
            e.INPUT_META_KEY1 = 91,
            e.INPUT_META_KEY2 = 92,
            e.INPUT_META_KEY3 = 93,
            e.INPUT_SHIFT_KEY = 16,
            e.SNAPSHOTRENDERING_STANDARD = 0,
            e.SNAPSHOTRENDERING_FAST = 1,
            e.PERSPECTIVE_CAMERA = 0,
            e.ORTHOGRAPHIC_CAMERA = 1,
            e.FOVMODE_VERTICAL_FIXED = 0,
            e.FOVMODE_HORIZONTAL_FIXED = 1,
            e.RIG_MODE_NONE = 0,
            e.RIG_MODE_STEREOSCOPIC_ANAGLYPH = 10,
            e.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL = 11,
            e.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED = 12,
            e.RIG_MODE_STEREOSCOPIC_OVERUNDER = 13,
            e.RIG_MODE_STEREOSCOPIC_INTERLACED = 14,
            e.RIG_MODE_VR = 20,
            e.RIG_MODE_WEBVR = 21,
            e.RIG_MODE_CUSTOM = 22,
            e.MAX_SUPPORTED_UV_SETS = 6,
            e.GL_ALPHA_EQUATION_ADD = 32774,
            e.GL_ALPHA_EQUATION_MIN = 32775,
            e.GL_ALPHA_EQUATION_MAX = 32776,
            e.GL_ALPHA_EQUATION_SUBTRACT = 32778,
            e.GL_ALPHA_EQUATION_REVERSE_SUBTRACT = 32779,
            e.GL_ALPHA_FUNCTION_SRC = 768,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR = 769,
            e.GL_ALPHA_FUNCTION_SRC_ALPHA = 770,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA = 771,
            e.GL_ALPHA_FUNCTION_DST_ALPHA = 772,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_DST_ALPHA = 773,
            e.GL_ALPHA_FUNCTION_DST_COLOR = 774,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_DST_COLOR = 775,
            e.GL_ALPHA_FUNCTION_SRC_ALPHA_SATURATED = 776,
            e.GL_ALPHA_FUNCTION_CONSTANT_COLOR = 32769,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_COLOR = 32770,
            e.GL_ALPHA_FUNCTION_CONSTANT_ALPHA = 32771,
            e.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_ALPHA = 32772,
            e
        }()
          , s = function() {
            function e() {
                this.hoverCursor = "",
                this.actions = new Array,
                this.isRecursive = !1
            }
            return Object.defineProperty(e, "HasTriggers", {
                get: function() {
                    for (var t in e.Triggers)
                        if (Object.prototype.hasOwnProperty.call(e.Triggers, t))
                            return !0;
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "HasPickTriggers", {
                get: function() {
                    for (var t in e.Triggers)
                        if (Object.prototype.hasOwnProperty.call(e.Triggers, t)) {
                            var i = parseInt(t);
                            if (i >= a.ACTION_OnPickTrigger && i <= a.ACTION_OnPickUpTrigger)
                                return !0
                        }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.HasSpecificTrigger = function(t) {
                for (var i in e.Triggers)
                    if (Object.prototype.hasOwnProperty.call(e.Triggers, i) && parseInt(i) === t)
                        return !0;
                return !1
            }
            ,
            e.Triggers = {},
            e
        }()
          , l = function() {
            function e(e, t, i, n) {
                void 0 === t && (t = !1),
                this.initialize(e, t, i, n)
            }
            return e.prototype.initialize = function(e, t, i, n) {
                return void 0 === t && (t = !1),
                this.mask = e,
                this.skipNextObservers = t,
                this.target = i,
                this.currentTarget = n,
                this
            }
            ,
            e
        }()
          , c = function(e, t, i) {
            void 0 === i && (i = null),
            this.callback = e,
            this.mask = t,
            this.scope = i,
            this._willBeUnregistered = !1,
            this.unregisterOnNextCall = !1
        }
          , u = function() {
            function e() {}
            return e.prototype.dispose = function() {
                if (this._observers && this._observables)
                    for (var e = 0; e < this._observers.length; e++)
                        this._observables[e].remove(this._observers[e]);
                this._observers = null,
                this._observables = null
            }
            ,
            e.Watch = function(t, i, n, r) {
                void 0 === n && (n = -1),
                void 0 === r && (r = null);
                var o = new e;
                o._observers = new Array,
                o._observables = t;
                for (var a = 0, s = t; a < s.length; a++) {
                    var l = s[a].add(i, n, !1, r);
                    l && o._observers.push(l)
                }
                return o
            }
            ,
            e
        }()
          , h = function() {
            function e(e) {
                this._observers = new Array,
                this._eventState = new l(0),
                e && (this._onObserverAdded = e)
            }
            return e.FromPromise = function(t, i) {
                var n = new e;
                return t.then((function(e) {
                    n.notifyObservers(e)
                }
                )).catch((function(e) {
                    if (!i)
                        throw e;
                    i.notifyObservers(e)
                }
                )),
                n
            }
            ,
            Object.defineProperty(e.prototype, "observers", {
                get: function() {
                    return this._observers
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.add = function(e, t, i, n, r) {
                if (void 0 === t && (t = -1),
                void 0 === i && (i = !1),
                void 0 === n && (n = null),
                void 0 === r && (r = !1),
                !e)
                    return null;
                var o = new c(e,t,n);
                return o.unregisterOnNextCall = r,
                i ? this._observers.unshift(o) : this._observers.push(o),
                this._onObserverAdded && this._onObserverAdded(o),
                o
            }
            ,
            e.prototype.addOnce = function(e) {
                return this.add(e, void 0, void 0, void 0, !0)
            }
            ,
            e.prototype.remove = function(e) {
                return !!e && -1 !== this._observers.indexOf(e) && (this._deferUnregister(e),
                !0)
            }
            ,
            e.prototype.removeCallback = function(e, t) {
                for (var i = 0; i < this._observers.length; i++) {
                    var n = this._observers[i];
                    if (!(n._willBeUnregistered || n.callback !== e || t && t !== n.scope))
                        return this._deferUnregister(n),
                        !0
                }
                return !1
            }
            ,
            e.prototype._deferUnregister = function(e) {
                var t = this;
                e.unregisterOnNextCall = !1,
                e._willBeUnregistered = !0,
                setTimeout((function() {
                    t._remove(e)
                }
                ), 0)
            }
            ,
            e.prototype._remove = function(e) {
                if (!e)
                    return !1;
                var t = this._observers.indexOf(e);
                return -1 !== t && (this._observers.splice(t, 1),
                !0)
            }
            ,
            e.prototype.makeObserverTopPriority = function(e) {
                this._remove(e),
                this._observers.unshift(e)
            }
            ,
            e.prototype.makeObserverBottomPriority = function(e) {
                this._remove(e),
                this._observers.push(e)
            }
            ,
            e.prototype.notifyObservers = function(e, t, i, n, r) {
                if (void 0 === t && (t = -1),
                !this._observers.length)
                    return !0;
                var o = this._eventState;
                o.mask = t,
                o.target = i,
                o.currentTarget = n,
                o.skipNextObservers = !1,
                o.lastReturnValue = e,
                o.userInfo = r;
                for (var a = 0, s = this._observers; a < s.length; a++) {
                    var l = s[a];
                    if (!l._willBeUnregistered && (l.mask & t && (l.scope ? o.lastReturnValue = l.callback.apply(l.scope, [e, o]) : o.lastReturnValue = l.callback(e, o),
                    l.unregisterOnNextCall && this._deferUnregister(l)),
                    o.skipNextObservers))
                        return !1
                }
                return !0
            }
            ,
            e.prototype.notifyObserversWithPromise = function(e, t, i, n, r) {
                var o = this;
                void 0 === t && (t = -1);
                var a = Promise.resolve(e);
                if (!this._observers.length)
                    return a;
                var s = this._eventState;
                return s.mask = t,
                s.target = i,
                s.currentTarget = n,
                s.skipNextObservers = !1,
                s.userInfo = r,
                this._observers.forEach((function(i) {
                    s.skipNextObservers || i._willBeUnregistered || i.mask & t && (a = i.scope ? a.then((function(t) {
                        return s.lastReturnValue = t,
                        i.callback.apply(i.scope, [e, s])
                    }
                    )) : a.then((function(t) {
                        return s.lastReturnValue = t,
                        i.callback(e, s)
                    }
                    )),
                    i.unregisterOnNextCall && o._deferUnregister(i))
                }
                )),
                a.then((function() {
                    return e
                }
                ))
            }
            ,
            e.prototype.notifyObserver = function(e, t, i) {
                if (void 0 === i && (i = -1),
                !e._willBeUnregistered) {
                    var n = this._eventState;
                    n.mask = i,
                    n.skipNextObservers = !1,
                    e.callback(t, n),
                    e.unregisterOnNextCall && this._deferUnregister(e)
                }
            }
            ,
            e.prototype.hasObservers = function() {
                return this._observers.length > 0
            }
            ,
            e.prototype.clear = function() {
                this._observers = new Array,
                this._onObserverAdded = null
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return t._observers = this._observers.slice(0),
                t
            }
            ,
            e.prototype.hasSpecificMask = function(e) {
                void 0 === e && (e = -1);
                for (var t = 0, i = this._observers; t < i.length; t++) {
                    var n = i[t];
                    if (n.mask & e || n.mask === e)
                        return !0
                }
                return !1
            }
            ,
            e
        }()
          , d = function() {
            function e() {}
            return e.WithinEpsilon = function(e, t, i) {
                return void 0 === i && (i = 1401298e-51),
                Math.abs(e - t) <= i
            }
            ,
            e.ToHex = function(e) {
                var t = e.toString(16);
                return e <= 15 ? ("0" + t).toUpperCase() : t.toUpperCase()
            }
            ,
            e.Sign = function(e) {
                return 0 == (e = +e) || isNaN(e) ? e : e > 0 ? 1 : -1
            }
            ,
            e.Clamp = function(e, t, i) {
                return void 0 === t && (t = 0),
                void 0 === i && (i = 1),
                Math.min(i, Math.max(t, e))
            }
            ,
            e.Log2 = function(e) {
                return Math.log(e) * Math.LOG2E
            }
            ,
            e.ILog2 = function(e) {
                if (Math.log2)
                    return Math.floor(Math.log2(e));
                if (e < 0)
                    return NaN;
                if (0 === e)
                    return -1 / 0;
                var t = 0;
                if (e < 1) {
                    for (; e < 1; )
                        t++,
                        e *= 2;
                    t = -t
                } else if (e > 1)
                    for (; e > 1; )
                        t++,
                        e = Math.floor(e / 2);
                return t
            }
            ,
            e.Repeat = function(e, t) {
                return e - Math.floor(e / t) * t
            }
            ,
            e.Normalize = function(e, t, i) {
                return (e - t) / (i - t)
            }
            ,
            e.Denormalize = function(e, t, i) {
                return e * (i - t) + t
            }
            ,
            e.DeltaAngle = function(t, i) {
                var n = e.Repeat(i - t, 360);
                return n > 180 && (n -= 360),
                n
            }
            ,
            e.PingPong = function(t, i) {
                var n = e.Repeat(t, 2 * i);
                return i - Math.abs(n - i)
            }
            ,
            e.SmoothStep = function(t, i, n) {
                var r = e.Clamp(n);
                return i * (r = -2 * r * r * r + 3 * r * r) + t * (1 - r)
            }
            ,
            e.MoveTowards = function(t, i, n) {
                return Math.abs(i - t) <= n ? i : t + e.Sign(i - t) * n
            }
            ,
            e.MoveTowardsAngle = function(t, i, n) {
                var r = e.DeltaAngle(t, i)
                  , o = 0;
                return -n < r && r < n ? o = i : (i = t + r,
                o = e.MoveTowards(t, i, n)),
                o
            }
            ,
            e.Lerp = function(e, t, i) {
                return e + (t - e) * i
            }
            ,
            e.LerpAngle = function(t, i, n) {
                var r = e.Repeat(i - t, 360);
                return r > 180 && (r -= 360),
                t + r * e.Clamp(n)
            }
            ,
            e.InverseLerp = function(t, i, n) {
                return t != i ? e.Clamp((n - t) / (i - t)) : 0
            }
            ,
            e.Hermite = function(e, t, i, n, r) {
                var o = r * r
                  , a = r * o;
                return e * (2 * a - 3 * o + 1) + i * (-2 * a + 3 * o) + t * (a - 2 * o + r) + n * (a - o)
            }
            ,
            e.Hermite1stDerivative = function(e, t, i, n, r) {
                var o = r * r;
                return 6 * (o - r) * e + (3 * o - 4 * r + 1) * t + 6 * (-o + r) * i + (3 * o - 2 * r) * n
            }
            ,
            e.RandomRange = function(e, t) {
                return e === t ? e : Math.random() * (t - e) + e
            }
            ,
            e.RangeToPercent = function(e, t, i) {
                return (e - t) / (i - t)
            }
            ,
            e.PercentToRange = function(e, t, i) {
                return (i - t) * e + t
            }
            ,
            e.NormalizeRadians = function(t) {
                return t - e.TwoPi * Math.floor((t + Math.PI) / e.TwoPi)
            }
            ,
            e.HCF = function(t, i) {
                var n = t % i;
                return 0 === n ? i : e.HCF(i, n)
            }
            ,
            e.TwoPi = 2 * Math.PI,
            e
        }()
          , p = 1 / 2.2
          , f = 2.2
          , _ = (1 + Math.sqrt(5)) / 2
          , m = .001
          , g = function() {
            function e() {}
            return e.BuildArray = function(e, t) {
                for (var i = [], n = 0; n < e; ++n)
                    i.push(t());
                return i
            }
            ,
            e.BuildTuple = function(t, i) {
                return e.BuildArray(t, i)
            }
            ,
            e
        }()
          , v = {};
        function y(e, t) {
            v[e] = t
        }
        function b(e) {
            return v[e]
        }
        var T = function() {
            function e() {}
            return e.SetMatrixPrecision = function(t) {
                if (e.MatrixTrackPrecisionChange = !1,
                t && !e.MatrixUse64Bits && e.MatrixTrackedMatrices)
                    for (var i = 0; i < e.MatrixTrackedMatrices.length; ++i) {
                        var n = e.MatrixTrackedMatrices[i]
                          , r = n._m;
                        n._m = new Array(16);
                        for (var o = 0; o < 16; ++o)
                            n._m[o] = r[o]
                    }
                e.MatrixUse64Bits = t,
                e.MatrixCurrentType = e.MatrixUse64Bits ? Array : Float32Array,
                e.MatrixTrackedMatrices = null
            }
            ,
            e.MatrixUse64Bits = !1,
            e.MatrixTrackPrecisionChange = !0,
            e.MatrixCurrentType = Float32Array,
            e.MatrixTrackedMatrices = [],
            e
        }()
          , E = function() {
            function e() {}
            return Object.defineProperty(e, "LastCreatedEngine", {
                get: function() {
                    return 0 === this.Instances.length ? null : this.Instances[this.Instances.length - 1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "LastCreatedScene", {
                get: function() {
                    return this._LastCreatedScene
                },
                enumerable: !1,
                configurable: !0
            }),
            e.Instances = new Array,
            e._LastCreatedScene = null,
            e.UseFallbackTexture = !0,
            e.FallbackTexture = "",
            e
        }()
          , S = function(e) {
            return parseInt(e.toString().replace(/\W/g, ""))
        }
          , A = function() {
            function e(e, t) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                this.x = e,
                this.y = t
            }
            return e.prototype.toString = function() {
                return "{X: ".concat(this.x, " Y: ").concat(this.y, "}")
            }
            ,
            e.prototype.getClassName = function() {
                return "Vector2"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = S(this.x);
                return 397 * e ^ S(this.y)
            }
            ,
            e.prototype.toArray = function(e, t) {
                return void 0 === t && (t = 0),
                e[t] = this.x,
                e[t + 1] = this.y,
                this
            }
            ,
            e.prototype.fromArray = function(t, i) {
                return void 0 === i && (i = 0),
                e.FromArrayToRef(t, i, this),
                this
            }
            ,
            e.prototype.asArray = function() {
                var e = new Array;
                return this.toArray(e, 0),
                e
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.x = e.x,
                this.y = e.y,
                this
            }
            ,
            e.prototype.copyFromFloats = function(e, t) {
                return this.x = e,
                this.y = t,
                this
            }
            ,
            e.prototype.set = function(e, t) {
                return this.copyFromFloats(e, t)
            }
            ,
            e.prototype.add = function(t) {
                return new e(this.x + t.x,this.y + t.y)
            }
            ,
            e.prototype.addToRef = function(e, t) {
                return t.x = this.x + e.x,
                t.y = this.y + e.y,
                this
            }
            ,
            e.prototype.addInPlace = function(e) {
                return this.x += e.x,
                this.y += e.y,
                this
            }
            ,
            e.prototype.addVector3 = function(t) {
                return new e(this.x + t.x,this.y + t.y)
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this.x - t.x,this.y - t.y)
            }
            ,
            e.prototype.subtractToRef = function(e, t) {
                return t.x = this.x - e.x,
                t.y = this.y - e.y,
                this
            }
            ,
            e.prototype.subtractInPlace = function(e) {
                return this.x -= e.x,
                this.y -= e.y,
                this
            }
            ,
            e.prototype.multiplyInPlace = function(e) {
                return this.x *= e.x,
                this.y *= e.y,
                this
            }
            ,
            e.prototype.multiply = function(t) {
                return new e(this.x * t.x,this.y * t.y)
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return t.x = this.x * e.x,
                t.y = this.y * e.y,
                this
            }
            ,
            e.prototype.multiplyByFloats = function(t, i) {
                return new e(this.x * t,this.y * i)
            }
            ,
            e.prototype.divide = function(t) {
                return new e(this.x / t.x,this.y / t.y)
            }
            ,
            e.prototype.divideToRef = function(e, t) {
                return t.x = this.x / e.x,
                t.y = this.y / e.y,
                this
            }
            ,
            e.prototype.divideInPlace = function(e) {
                return this.divideToRef(e, this)
            }
            ,
            e.prototype.negate = function() {
                return new e(-this.x,-this.y)
            }
            ,
            e.prototype.negateInPlace = function() {
                return this.x *= -1,
                this.y *= -1,
                this
            }
            ,
            e.prototype.negateToRef = function(e) {
                return e.copyFromFloats(-1 * this.x, -1 * this.y)
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                return this.x *= e,
                this.y *= e,
                this
            }
            ,
            e.prototype.scale = function(t) {
                var i = new e(0,0);
                return this.scaleToRef(t, i),
                i
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.x = this.x * e,
                t.y = this.y * e,
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.x += this.x * e,
                t.y += this.y * e,
                this
            }
            ,
            e.prototype.equals = function(e) {
                return e && this.x === e.x && this.y === e.y
            }
            ,
            e.prototype.equalsWithEpsilon = function(e, t) {
                return void 0 === t && (t = m),
                e && d.WithinEpsilon(this.x, e.x, t) && d.WithinEpsilon(this.y, e.y, t)
            }
            ,
            e.prototype.floor = function() {
                return new e(Math.floor(this.x),Math.floor(this.y))
            }
            ,
            e.prototype.fract = function() {
                return new e(this.x - Math.floor(this.x),this.y - Math.floor(this.y))
            }
            ,
            e.prototype.rotateToRef = function(e, t) {
                var i = Math.cos(e)
                  , n = Math.sin(e);
                return t.x = i * this.x - n * this.y,
                t.y = n * this.x + i * this.y,
                this
            }
            ,
            e.prototype.length = function() {
                return Math.sqrt(this.x * this.x + this.y * this.y)
            }
            ,
            e.prototype.lengthSquared = function() {
                return this.x * this.x + this.y * this.y
            }
            ,
            e.prototype.normalize = function() {
                return e.NormalizeToRef(this, this),
                this
            }
            ,
            e.prototype.clone = function() {
                return new e(this.x,this.y)
            }
            ,
            e.Zero = function() {
                return new e(0,0)
            }
            ,
            e.One = function() {
                return new e(1,1)
            }
            ,
            e.FromArray = function(t, i) {
                return void 0 === i && (i = 0),
                new e(t[i],t[i + 1])
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                i.x = e[t],
                i.y = e[t + 1]
            }
            ,
            e.CatmullRom = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a;
                return new e(.5 * (2 * i.x + (-t.x + n.x) * o + (2 * t.x - 5 * i.x + 4 * n.x - r.x) * a + (-t.x + 3 * i.x - 3 * n.x + r.x) * s),.5 * (2 * i.y + (-t.y + n.y) * o + (2 * t.y - 5 * i.y + 4 * n.y - r.y) * a + (-t.y + 3 * i.y - 3 * n.y + r.y) * s))
            }
            ,
            e.Clamp = function(t, i, n) {
                var r = t.x;
                r = (r = r > n.x ? n.x : r) < i.x ? i.x : r;
                var o = t.y;
                return new e(r,o = (o = o > n.y ? n.y : o) < i.y ? i.y : o)
            }
            ,
            e.Hermite = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a
                  , l = 2 * s - 3 * a + 1
                  , c = -2 * s + 3 * a
                  , u = s - 2 * a + o
                  , h = s - a;
                return new e(t.x * l + n.x * c + i.x * u + r.x * h,t.y * l + n.y * c + i.y * u + r.y * h)
            }
            ,
            e.Hermite1stDerivative = function(t, i, n, r, o) {
                var a = e.Zero();
                return this.Hermite1stDerivativeToRef(t, i, n, r, o, a),
                a
            }
            ,
            e.Hermite1stDerivativeToRef = function(e, t, i, n, r, o) {
                var a = r * r;
                o.x = 6 * (a - r) * e.x + (3 * a - 4 * r + 1) * t.x + 6 * (-a + r) * i.x + (3 * a - 2 * r) * n.x,
                o.y = 6 * (a - r) * e.y + (3 * a - 4 * r + 1) * t.y + 6 * (-a + r) * i.y + (3 * a - 2 * r) * n.y
            }
            ,
            e.Lerp = function(t, i, n) {
                return new e(t.x + (i.x - t.x) * n,t.y + (i.y - t.y) * n)
            }
            ,
            e.Dot = function(e, t) {
                return e.x * t.x + e.y * t.y
            }
            ,
            e.Normalize = function(t) {
                var i = e.Zero();
                return this.NormalizeToRef(t, i),
                i
            }
            ,
            e.NormalizeToRef = function(e, t) {
                var i = e.length();
                0 !== i && (t.x = e.x / i,
                t.y = e.y / i)
            }
            ,
            e.Minimize = function(t, i) {
                return new e(t.x < i.x ? t.x : i.x,t.y < i.y ? t.y : i.y)
            }
            ,
            e.Maximize = function(t, i) {
                return new e(t.x > i.x ? t.x : i.x,t.y > i.y ? t.y : i.y)
            }
            ,
            e.Transform = function(t, i) {
                var n = e.Zero();
                return e.TransformToRef(t, i, n),
                n
            }
            ,
            e.TransformToRef = function(e, t, i) {
                var n = t.m
                  , r = e.x * n[0] + e.y * n[4] + n[12]
                  , o = e.x * n[1] + e.y * n[5] + n[13];
                i.x = r,
                i.y = o
            }
            ,
            e.PointInTriangle = function(e, t, i, n) {
                var r = .5 * (-i.y * n.x + t.y * (-i.x + n.x) + t.x * (i.y - n.y) + i.x * n.y)
                  , o = r < 0 ? -1 : 1
                  , a = (t.y * n.x - t.x * n.y + (n.y - t.y) * e.x + (t.x - n.x) * e.y) * o
                  , s = (t.x * i.y - t.y * i.x + (t.y - i.y) * e.x + (i.x - t.x) * e.y) * o;
                return a > 0 && s > 0 && a + s < 2 * r * o
            }
            ,
            e.Distance = function(t, i) {
                return Math.sqrt(e.DistanceSquared(t, i))
            }
            ,
            e.DistanceSquared = function(e, t) {
                var i = e.x - t.x
                  , n = e.y - t.y;
                return i * i + n * n
            }
            ,
            e.Center = function(t, i) {
                return e.CenterToRef(t, i, e.Zero())
            }
            ,
            e.CenterToRef = function(e, t, i) {
                return i.copyFromFloats((e.x + t.x) / 2, (e.y + t.y) / 2)
            }
            ,
            e.DistanceOfPointFromSegment = function(t, i, n) {
                var r = e.DistanceSquared(i, n);
                if (0 === r)
                    return e.Distance(t, i);
                var o = n.subtract(i)
                  , a = Math.max(0, Math.min(1, e.Dot(t.subtract(i), o) / r))
                  , s = i.add(o.multiplyByFloats(a, a));
                return e.Distance(t, s)
            }
            ,
            e
        }()
          , x = function() {
            function e(e, t, i) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                this._isDirty = !0,
                this._x = e,
                this._y = t,
                this._z = i
            }
            return Object.defineProperty(e.prototype, "x", {
                get: function() {
                    return this._x
                },
                set: function(e) {
                    this._x = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "y", {
                get: function() {
                    return this._y
                },
                set: function(e) {
                    this._y = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "z", {
                get: function() {
                    return this._z
                },
                set: function(e) {
                    this._z = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.toString = function() {
                return "{X: ".concat(this._x, " Y: ").concat(this._y, " Z: ").concat(this._z, "}")
            }
            ,
            e.prototype.getClassName = function() {
                return "Vector3"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = S(this._x);
                return 397 * (e = 397 * e ^ S(this._y)) ^ S(this._z)
            }
            ,
            e.prototype.asArray = function() {
                var e = [];
                return this.toArray(e, 0),
                e
            }
            ,
            e.prototype.toArray = function(e, t) {
                return void 0 === t && (t = 0),
                e[t] = this._x,
                e[t + 1] = this._y,
                e[t + 2] = this._z,
                this
            }
            ,
            e.prototype.fromArray = function(t, i) {
                return void 0 === i && (i = 0),
                e.FromArrayToRef(t, i, this),
                this
            }
            ,
            e.prototype.toQuaternion = function() {
                return C.RotationYawPitchRoll(this._y, this._x, this._z)
            }
            ,
            e.prototype.addInPlace = function(e) {
                return this.addInPlaceFromFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.addInPlaceFromFloats = function(e, t, i) {
                return this.x += e,
                this.y += t,
                this.z += i,
                this
            }
            ,
            e.prototype.add = function(t) {
                return new e(this._x + t._x,this._y + t._y,this._z + t._z)
            }
            ,
            e.prototype.addToRef = function(e, t) {
                return t.copyFromFloats(this._x + e._x, this._y + e._y, this._z + e._z)
            }
            ,
            e.prototype.subtractInPlace = function(e) {
                return this.x -= e._x,
                this.y -= e._y,
                this.z -= e._z,
                this
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this._x - t._x,this._y - t._y,this._z - t._z)
            }
            ,
            e.prototype.subtractToRef = function(e, t) {
                return this.subtractFromFloatsToRef(e._x, e._y, e._z, t)
            }
            ,
            e.prototype.subtractFromFloats = function(t, i, n) {
                return new e(this._x - t,this._y - i,this._z - n)
            }
            ,
            e.prototype.subtractFromFloatsToRef = function(e, t, i, n) {
                return n.copyFromFloats(this._x - e, this._y - t, this._z - i)
            }
            ,
            e.prototype.negate = function() {
                return new e(-this._x,-this._y,-this._z)
            }
            ,
            e.prototype.negateInPlace = function() {
                return this.x *= -1,
                this.y *= -1,
                this.z *= -1,
                this
            }
            ,
            e.prototype.negateToRef = function(e) {
                return e.copyFromFloats(-1 * this._x, -1 * this._y, -1 * this._z)
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                return this.x *= e,
                this.y *= e,
                this.z *= e,
                this
            }
            ,
            e.prototype.scale = function(t) {
                return new e(this._x * t,this._y * t,this._z * t)
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.copyFromFloats(this._x * e, this._y * e, this._z * e)
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.addInPlaceFromFloats(this._x * e, this._y * e, this._z * e)
            }
            ,
            e.prototype.projectOnPlane = function(t, i) {
                var n = e.Zero();
                return this.projectOnPlaneToRef(t, i, n),
                n
            }
            ,
            e.prototype.projectOnPlaneToRef = function(t, i, n) {
                var r = t.normal
                  , o = t.d
                  , a = M.Vector3[0];
                this.subtractToRef(i, a),
                a.normalize();
                var s = e.Dot(a, r)
                  , l = -(e.Dot(i, r) + o) / s
                  , c = a.scaleInPlace(l);
                i.addToRef(c, n)
            }
            ,
            e.prototype.equals = function(e) {
                return e && this._x === e._x && this._y === e._y && this._z === e._z
            }
            ,
            e.prototype.equalsWithEpsilon = function(e, t) {
                return void 0 === t && (t = m),
                e && d.WithinEpsilon(this._x, e._x, t) && d.WithinEpsilon(this._y, e._y, t) && d.WithinEpsilon(this._z, e._z, t)
            }
            ,
            e.prototype.equalsToFloats = function(e, t, i) {
                return this._x === e && this._y === t && this._z === i
            }
            ,
            e.prototype.multiplyInPlace = function(e) {
                return this.x *= e._x,
                this.y *= e._y,
                this.z *= e._z,
                this
            }
            ,
            e.prototype.multiply = function(e) {
                return this.multiplyByFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return t.copyFromFloats(this._x * e._x, this._y * e._y, this._z * e._z)
            }
            ,
            e.prototype.multiplyByFloats = function(t, i, n) {
                return new e(this._x * t,this._y * i,this._z * n)
            }
            ,
            e.prototype.divide = function(t) {
                return new e(this._x / t._x,this._y / t._y,this._z / t._z)
            }
            ,
            e.prototype.divideToRef = function(e, t) {
                return t.copyFromFloats(this._x / e._x, this._y / e._y, this._z / e._z)
            }
            ,
            e.prototype.divideInPlace = function(e) {
                return this.divideToRef(e, this)
            }
            ,
            e.prototype.minimizeInPlace = function(e) {
                return this.minimizeInPlaceFromFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.maximizeInPlace = function(e) {
                return this.maximizeInPlaceFromFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.minimizeInPlaceFromFloats = function(e, t, i) {
                return e < this._x && (this.x = e),
                t < this._y && (this.y = t),
                i < this._z && (this.z = i),
                this
            }
            ,
            e.prototype.maximizeInPlaceFromFloats = function(e, t, i) {
                return e > this._x && (this.x = e),
                t > this._y && (this.y = t),
                i > this._z && (this.z = i),
                this
            }
            ,
            e.prototype.isNonUniformWithinEpsilon = function(e) {
                var t = Math.abs(this._x)
                  , i = Math.abs(this._y);
                if (!d.WithinEpsilon(t, i, e))
                    return !0;
                var n = Math.abs(this._z);
                return !d.WithinEpsilon(t, n, e) || !d.WithinEpsilon(i, n, e)
            }
            ,
            Object.defineProperty(e.prototype, "isNonUniform", {
                get: function() {
                    var e = Math.abs(this._x);
                    return e !== Math.abs(this._y) || e !== Math.abs(this._z)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.floor = function() {
                return new e(Math.floor(this._x),Math.floor(this._y),Math.floor(this._z))
            }
            ,
            e.prototype.fract = function() {
                return new e(this._x - Math.floor(this._x),this._y - Math.floor(this._y),this._z - Math.floor(this._z))
            }
            ,
            e.prototype.length = function() {
                return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z)
            }
            ,
            e.prototype.lengthSquared = function() {
                return this._x * this._x + this._y * this._y + this._z * this._z
            }
            ,
            e.prototype.normalize = function() {
                return this.normalizeFromLength(this.length())
            }
            ,
            e.prototype.reorderInPlace = function(e) {
                var t = this;
                return "xyz" === (e = e.toLowerCase()) || (M.Vector3[0].copyFrom(this),
                ["x", "y", "z"].forEach((function(i, n) {
                    t[i] = M.Vector3[0][e[n]]
                }
                ))),
                this
            }
            ,
            e.prototype.rotateByQuaternionToRef = function(t, i) {
                return t.toRotationMatrix(M.Matrix[0]),
                e.TransformCoordinatesToRef(this, M.Matrix[0], i),
                i
            }
            ,
            e.prototype.rotateByQuaternionAroundPointToRef = function(e, t, i) {
                return this.subtractToRef(t, M.Vector3[0]),
                M.Vector3[0].rotateByQuaternionToRef(e, M.Vector3[0]),
                t.addToRef(M.Vector3[0], i),
                i
            }
            ,
            e.prototype.cross = function(t) {
                return e.Cross(this, t)
            }
            ,
            e.prototype.normalizeFromLength = function(e) {
                return 0 === e || 1 === e ? this : this.scaleInPlace(1 / e)
            }
            ,
            e.prototype.normalizeToNew = function() {
                var t = new e(0,0,0);
                return this.normalizeToRef(t),
                t
            }
            ,
            e.prototype.normalizeToRef = function(e) {
                var t = this.length();
                return 0 === t || 1 === t ? e.copyFromFloats(this._x, this._y, this._z) : this.scaleToRef(1 / t, e)
            }
            ,
            e.prototype.clone = function() {
                return new e(this._x,this._y,this._z)
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.copyFromFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.copyFromFloats = function(e, t, i) {
                return this.x = e,
                this.y = t,
                this.z = i,
                this
            }
            ,
            e.prototype.set = function(e, t, i) {
                return this.copyFromFloats(e, t, i)
            }
            ,
            e.prototype.setAll = function(e) {
                return this.x = this.y = this.z = e,
                this
            }
            ,
            e.GetClipFactor = function(t, i, n, r) {
                var o = e.Dot(t, n) - r;
                return o / (o - (e.Dot(i, n) - r))
            }
            ,
            e.GetAngleBetweenVectors = function(t, i, n) {
                var r = t.normalizeToRef(M.Vector3[1])
                  , o = i.normalizeToRef(M.Vector3[2])
                  , a = e.Dot(r, o)
                  , s = Math.acos(a)
                  , l = M.Vector3[3];
                return e.CrossToRef(r, o, l),
                e.Dot(l, n) > 0 ? isNaN(s) ? 0 : s : isNaN(s) ? -Math.PI : -Math.acos(a)
            }
            ,
            e.GetAngleBetweenVectorsOnPlane = function(t, i, n) {
                M.Vector3[0].copyFrom(t);
                var r = M.Vector3[0];
                M.Vector3[1].copyFrom(i);
                var o = M.Vector3[1];
                M.Vector3[2].copyFrom(n);
                var a = M.Vector3[2]
                  , s = M.Vector3[3]
                  , l = M.Vector3[4];
                r.normalize(),
                o.normalize(),
                a.normalize(),
                e.CrossToRef(a, r, s),
                e.CrossToRef(s, a, l);
                var c = Math.atan2(e.Dot(o, s), e.Dot(o, l));
                return d.NormalizeRadians(c)
            }
            ,
            e.SlerpToRef = function(t, i, n, r) {
                n = d.Clamp(n, 0, 1);
                var o = M.Vector3[0]
                  , a = M.Vector3[1];
                o.copyFrom(t);
                var s = o.length();
                o.normalizeFromLength(s),
                a.copyFrom(i);
                var l = a.length();
                a.normalizeFromLength(l);
                var c, u, h = e.Dot(o, a);
                if (h < 1 - m) {
                    var p = Math.acos(h)
                      , f = 1 / Math.sin(p);
                    c = Math.sin((1 - n) * p) * f,
                    u = Math.sin(n * p) * f
                } else
                    c = 1 - n,
                    u = n;
                o.scaleInPlace(c),
                a.scaleInPlace(u),
                r.copyFrom(o).addInPlace(a),
                r.scaleInPlace(d.Lerp(s, l, n))
            }
            ,
            e.SmoothToRef = function(t, i, n, r, o) {
                e.SlerpToRef(t, i, 0 === r ? 1 : n / r, o)
            }
            ,
            e.FromArray = function(t, i) {
                return void 0 === i && (i = 0),
                new e(t[i],t[i + 1],t[i + 2])
            }
            ,
            e.FromFloatArray = function(t, i) {
                return e.FromArray(t, i)
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                i.x = e[t],
                i.y = e[t + 1],
                i.z = e[t + 2]
            }
            ,
            e.FromFloatArrayToRef = function(t, i, n) {
                return e.FromArrayToRef(t, i, n)
            }
            ,
            e.FromFloatsToRef = function(e, t, i, n) {
                n.copyFromFloats(e, t, i)
            }
            ,
            e.Zero = function() {
                return new e(0,0,0)
            }
            ,
            e.One = function() {
                return new e(1,1,1)
            }
            ,
            e.Up = function() {
                return new e(0,1,0)
            }
            ,
            Object.defineProperty(e, "UpReadOnly", {
                get: function() {
                    return e._UpReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "RightReadOnly", {
                get: function() {
                    return e._RightReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "LeftReadOnly", {
                get: function() {
                    return e._LeftReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "LeftHandedForwardReadOnly", {
                get: function() {
                    return e._LeftHandedForwardReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "RightHandedForwardReadOnly", {
                get: function() {
                    return e._RightHandedForwardReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ZeroReadOnly", {
                get: function() {
                    return e._ZeroReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            e.Down = function() {
                return new e(0,-1,0)
            }
            ,
            e.Forward = function(t) {
                return void 0 === t && (t = !1),
                new e(0,0,t ? -1 : 1)
            }
            ,
            e.Backward = function(t) {
                return void 0 === t && (t = !1),
                new e(0,0,t ? 1 : -1)
            }
            ,
            e.Right = function() {
                return new e(1,0,0)
            }
            ,
            e.Left = function() {
                return new e(-1,0,0)
            }
            ,
            e.TransformCoordinates = function(t, i) {
                var n = e.Zero();
                return e.TransformCoordinatesToRef(t, i, n),
                n
            }
            ,
            e.TransformCoordinatesToRef = function(t, i, n) {
                e.TransformCoordinatesFromFloatsToRef(t._x, t._y, t._z, i, n)
            }
            ,
            e.TransformCoordinatesFromFloatsToRef = function(e, t, i, n, r) {
                var o = n.m
                  , a = e * o[0] + t * o[4] + i * o[8] + o[12]
                  , s = e * o[1] + t * o[5] + i * o[9] + o[13]
                  , l = e * o[2] + t * o[6] + i * o[10] + o[14]
                  , c = 1 / (e * o[3] + t * o[7] + i * o[11] + o[15]);
                r.x = a * c,
                r.y = s * c,
                r.z = l * c
            }
            ,
            e.TransformNormal = function(t, i) {
                var n = e.Zero();
                return e.TransformNormalToRef(t, i, n),
                n
            }
            ,
            e.TransformNormalToRef = function(e, t, i) {
                this.TransformNormalFromFloatsToRef(e._x, e._y, e._z, t, i)
            }
            ,
            e.TransformNormalFromFloatsToRef = function(e, t, i, n, r) {
                var o = n.m;
                r.x = e * o[0] + t * o[4] + i * o[8],
                r.y = e * o[1] + t * o[5] + i * o[9],
                r.z = e * o[2] + t * o[6] + i * o[10]
            }
            ,
            e.CatmullRom = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a;
                return new e(.5 * (2 * i._x + (-t._x + n._x) * o + (2 * t._x - 5 * i._x + 4 * n._x - r._x) * a + (-t._x + 3 * i._x - 3 * n._x + r._x) * s),.5 * (2 * i._y + (-t._y + n._y) * o + (2 * t._y - 5 * i._y + 4 * n._y - r._y) * a + (-t._y + 3 * i._y - 3 * n._y + r._y) * s),.5 * (2 * i._z + (-t._z + n._z) * o + (2 * t._z - 5 * i._z + 4 * n._z - r._z) * a + (-t._z + 3 * i._z - 3 * n._z + r._z) * s))
            }
            ,
            e.Clamp = function(t, i, n) {
                var r = new e;
                return e.ClampToRef(t, i, n, r),
                r
            }
            ,
            e.ClampToRef = function(e, t, i, n) {
                var r = e._x;
                r = (r = r > i._x ? i._x : r) < t._x ? t._x : r;
                var o = e._y;
                o = (o = o > i._y ? i._y : o) < t._y ? t._y : o;
                var a = e._z;
                a = (a = a > i._z ? i._z : a) < t._z ? t._z : a,
                n.copyFromFloats(r, o, a)
            }
            ,
            e.CheckExtends = function(e, t, i) {
                t.minimizeInPlace(e),
                i.maximizeInPlace(e)
            }
            ,
            e.Hermite = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a
                  , l = 2 * s - 3 * a + 1
                  , c = -2 * s + 3 * a
                  , u = s - 2 * a + o
                  , h = s - a;
                return new e(t._x * l + n._x * c + i._x * u + r._x * h,t._y * l + n._y * c + i._y * u + r._y * h,t._z * l + n._z * c + i._z * u + r._z * h)
            }
            ,
            e.Hermite1stDerivative = function(t, i, n, r, o) {
                var a = e.Zero();
                return this.Hermite1stDerivativeToRef(t, i, n, r, o, a),
                a
            }
            ,
            e.Hermite1stDerivativeToRef = function(e, t, i, n, r, o) {
                var a = r * r;
                o.x = 6 * (a - r) * e.x + (3 * a - 4 * r + 1) * t.x + 6 * (-a + r) * i.x + (3 * a - 2 * r) * n.x,
                o.y = 6 * (a - r) * e.y + (3 * a - 4 * r + 1) * t.y + 6 * (-a + r) * i.y + (3 * a - 2 * r) * n.y,
                o.z = 6 * (a - r) * e.z + (3 * a - 4 * r + 1) * t.z + 6 * (-a + r) * i.z + (3 * a - 2 * r) * n.z
            }
            ,
            e.Lerp = function(t, i, n) {
                var r = new e(0,0,0);
                return e.LerpToRef(t, i, n, r),
                r
            }
            ,
            e.LerpToRef = function(e, t, i, n) {
                n.x = e._x + (t._x - e._x) * i,
                n.y = e._y + (t._y - e._y) * i,
                n.z = e._z + (t._z - e._z) * i
            }
            ,
            e.Dot = function(e, t) {
                return e._x * t._x + e._y * t._y + e._z * t._z
            }
            ,
            e.Cross = function(t, i) {
                var n = e.Zero();
                return e.CrossToRef(t, i, n),
                n
            }
            ,
            e.CrossToRef = function(e, t, i) {
                var n = e._y * t._z - e._z * t._y
                  , r = e._z * t._x - e._x * t._z
                  , o = e._x * t._y - e._y * t._x;
                i.copyFromFloats(n, r, o)
            }
            ,
            e.Normalize = function(t) {
                var i = e.Zero();
                return e.NormalizeToRef(t, i),
                i
            }
            ,
            e.NormalizeToRef = function(e, t) {
                e.normalizeToRef(t)
            }
            ,
            e.Project = function(t, i, n, r) {
                var o = new e;
                return e.ProjectToRef(t, i, n, r, o),
                o
            }
            ,
            e.ProjectToRef = function(t, i, n, r, o) {
                var a = r.width
                  , s = r.height
                  , l = r.x
                  , c = r.y
                  , u = M.Matrix[1];
                P.FromValuesToRef(a / 2, 0, 0, 0, 0, -s / 2, 0, 0, 0, 0, .5, 0, l + a / 2, s / 2 + c, .5, 1, u);
                var h = M.Matrix[0];
                return i.multiplyToRef(n, h),
                h.multiplyToRef(u, h),
                e.TransformCoordinatesToRef(t, h, o),
                o
            }
            ,
            e._UnprojectFromInvertedMatrixToRef = function(t, i, n) {
                e.TransformCoordinatesToRef(t, i, n);
                var r = i.m
                  , o = t._x * r[3] + t._y * r[7] + t._z * r[11] + r[15];
                d.WithinEpsilon(o, 1) && n.scaleInPlace(1 / o)
            }
            ,
            e.UnprojectFromTransform = function(e, t, i, n, r) {
                return this.Unproject(e, t, i, n, r, P.IdentityReadOnly)
            }
            ,
            e.Unproject = function(t, i, n, r, o, a) {
                var s = e.Zero();
                return e.UnprojectToRef(t, i, n, r, o, a, s),
                s
            }
            ,
            e.UnprojectToRef = function(t, i, n, r, o, a, s) {
                e.UnprojectFloatsToRef(t._x, t._y, t._z, i, n, r, o, a, s)
            }
            ,
            e.UnprojectFloatsToRef = function(t, i, n, r, o, a, s, l, c) {
                var u, h = M.Matrix[0];
                a.multiplyToRef(s, h),
                h.multiplyToRef(l, h),
                h.invert();
                var d = M.Vector3[0];
                d.x = t / r * 2 - 1,
                d.y = -(i / o * 2 - 1),
                (null === (u = E.LastCreatedEngine) || void 0 === u ? void 0 : u.isNDCHalfZRange) ? d.z = n : d.z = 2 * n - 1,
                e._UnprojectFromInvertedMatrixToRef(d, h, c)
            }
            ,
            e.Minimize = function(e, t) {
                var i = e.clone();
                return i.minimizeInPlace(t),
                i
            }
            ,
            e.Maximize = function(e, t) {
                var i = e.clone();
                return i.maximizeInPlace(t),
                i
            }
            ,
            e.Distance = function(t, i) {
                return Math.sqrt(e.DistanceSquared(t, i))
            }
            ,
            e.DistanceSquared = function(e, t) {
                var i = e._x - t._x
                  , n = e._y - t._y
                  , r = e._z - t._z;
                return i * i + n * n + r * r
            }
            ,
            e.ProjectOnTriangleToRef = function(t, i, n, r, o) {
                var a = M.Vector3[0]
                  , s = M.Vector3[1]
                  , l = M.Vector3[2]
                  , c = M.Vector3[3]
                  , u = M.Vector3[4];
                n.subtractToRef(i, a),
                r.subtractToRef(i, s),
                r.subtractToRef(n, l);
                var h = a.length()
                  , p = s.length()
                  , f = l.length();
                if (h < m || p < m || f < m)
                    return o.copyFrom(i),
                    e.Distance(t, i);
                t.subtractToRef(i, u),
                e.CrossToRef(a, s, c);
                var _ = c.length();
                if (_ < m)
                    return o.copyFrom(i),
                    e.Distance(t, i);
                c.normalizeFromLength(_);
                var g = u.length();
                if (g < m)
                    return o.copyFrom(i),
                    0;
                u.normalizeFromLength(g);
                var v = e.Dot(c, u)
                  , y = M.Vector3[5]
                  , b = M.Vector3[6];
                y.copyFrom(c).scaleInPlace(-g * v),
                b.copyFrom(t).addInPlace(y);
                var T = M.Vector3[4]
                  , E = M.Vector3[5]
                  , S = M.Vector3[7]
                  , A = M.Vector3[8];
                T.copyFrom(a).scaleInPlace(1 / h),
                A.copyFrom(s).scaleInPlace(1 / p),
                T.addInPlace(A).scaleInPlace(-1),
                E.copyFrom(a).scaleInPlace(-1 / h),
                A.copyFrom(l).scaleInPlace(1 / f),
                E.addInPlace(A).scaleInPlace(-1),
                S.copyFrom(l).scaleInPlace(-1 / f),
                A.copyFrom(s).scaleInPlace(-1 / p),
                S.addInPlace(A).scaleInPlace(-1);
                var x = M.Vector3[9];
                x.copyFrom(b).subtractInPlace(i),
                e.CrossToRef(T, x, A);
                var R = e.Dot(A, c);
                x.copyFrom(b).subtractInPlace(n),
                e.CrossToRef(E, x, A);
                var C = e.Dot(A, c);
                x.copyFrom(b).subtractInPlace(r),
                e.CrossToRef(S, x, A);
                var P, I, O = e.Dot(A, c), D = M.Vector3[10];
                R > 0 && C < 0 ? (D.copyFrom(a),
                P = i,
                I = n) : C > 0 && O < 0 ? (D.copyFrom(l),
                P = n,
                I = r) : (D.copyFrom(s).scaleInPlace(-1),
                P = r,
                I = i);
                var N = M.Vector3[9]
                  , L = M.Vector3[4];
                if (P.subtractToRef(b, A),
                I.subtractToRef(b, N),
                e.CrossToRef(A, N, L),
                !(e.Dot(L, c) < 0))
                    return o.copyFrom(b),
                    Math.abs(g * v);
                var F = M.Vector3[5];
                e.CrossToRef(D, L, F),
                F.normalize();
                var w = M.Vector3[9];
                w.copyFrom(P).subtractInPlace(b);
                var B = w.length();
                if (B < m)
                    return o.copyFrom(P),
                    e.Distance(t, P);
                w.normalizeFromLength(B);
                var U = e.Dot(F, w)
                  , V = M.Vector3[7];
                V.copyFrom(b).addInPlace(F.scaleInPlace(B * U)),
                A.copyFrom(V).subtractInPlace(P),
                g = D.length(),
                D.normalizeFromLength(g);
                var k = e.Dot(A, D) / Math.max(g, m);
                return k = d.Clamp(k, 0, 1),
                V.copyFrom(P).addInPlace(D.scaleInPlace(k * g)),
                o.copyFrom(V),
                e.Distance(t, V)
            }
            ,
            e.Center = function(t, i) {
                return e.CenterToRef(t, i, e.Zero())
            }
            ,
            e.CenterToRef = function(e, t, i) {
                return i.copyFromFloats((e._x + t._x) / 2, (e._y + t._y) / 2, (e._z + t._z) / 2)
            }
            ,
            e.RotationFromAxis = function(t, i, n) {
                var r = e.Zero();
                return e.RotationFromAxisToRef(t, i, n, r),
                r
            }
            ,
            e.RotationFromAxisToRef = function(e, t, i, n) {
                var r = M.Quaternion[0];
                C.RotationQuaternionFromAxisToRef(e, t, i, r),
                r.toEulerAnglesToRef(n)
            }
            ,
            e._UpReadOnly = e.Up(),
            e._LeftHandedForwardReadOnly = e.Forward(!1),
            e._RightHandedForwardReadOnly = e.Forward(!0),
            e._RightReadOnly = e.Right(),
            e._LeftReadOnly = e.Left(),
            e._ZeroReadOnly = e.Zero(),
            e
        }()
          , R = function() {
            function e(e, t, i, n) {
                this.x = e,
                this.y = t,
                this.z = i,
                this.w = n
            }
            return e.prototype.toString = function() {
                return "{X: ".concat(this.x, " Y: ").concat(this.y, " Z: ").concat(this.z, " W: ").concat(this.w, "}")
            }
            ,
            e.prototype.getClassName = function() {
                return "Vector4"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = S(this.x);
                return 397 * (e = 397 * (e = 397 * e ^ S(this.y)) ^ S(this.z)) ^ S(this.w)
            }
            ,
            e.prototype.asArray = function() {
                var e = new Array;
                return this.toArray(e, 0),
                e
            }
            ,
            e.prototype.toArray = function(e, t) {
                return void 0 === t && (t = 0),
                e[t] = this.x,
                e[t + 1] = this.y,
                e[t + 2] = this.z,
                e[t + 3] = this.w,
                this
            }
            ,
            e.prototype.fromArray = function(t, i) {
                return void 0 === i && (i = 0),
                e.FromArrayToRef(t, i, this),
                this
            }
            ,
            e.prototype.addInPlace = function(e) {
                return this.x += e.x,
                this.y += e.y,
                this.z += e.z,
                this.w += e.w,
                this
            }
            ,
            e.prototype.add = function(t) {
                return new e(this.x + t.x,this.y + t.y,this.z + t.z,this.w + t.w)
            }
            ,
            e.prototype.addToRef = function(e, t) {
                return t.x = this.x + e.x,
                t.y = this.y + e.y,
                t.z = this.z + e.z,
                t.w = this.w + e.w,
                this
            }
            ,
            e.prototype.subtractInPlace = function(e) {
                return this.x -= e.x,
                this.y -= e.y,
                this.z -= e.z,
                this.w -= e.w,
                this
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this.x - t.x,this.y - t.y,this.z - t.z,this.w - t.w)
            }
            ,
            e.prototype.subtractToRef = function(e, t) {
                return t.x = this.x - e.x,
                t.y = this.y - e.y,
                t.z = this.z - e.z,
                t.w = this.w - e.w,
                this
            }
            ,
            e.prototype.subtractFromFloats = function(t, i, n, r) {
                return new e(this.x - t,this.y - i,this.z - n,this.w - r)
            }
            ,
            e.prototype.subtractFromFloatsToRef = function(e, t, i, n, r) {
                return r.x = this.x - e,
                r.y = this.y - t,
                r.z = this.z - i,
                r.w = this.w - n,
                this
            }
            ,
            e.prototype.negate = function() {
                return new e(-this.x,-this.y,-this.z,-this.w)
            }
            ,
            e.prototype.negateInPlace = function() {
                return this.x *= -1,
                this.y *= -1,
                this.z *= -1,
                this.w *= -1,
                this
            }
            ,
            e.prototype.negateToRef = function(e) {
                return e.copyFromFloats(-1 * this.x, -1 * this.y, -1 * this.z, -1 * this.w)
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                return this.x *= e,
                this.y *= e,
                this.z *= e,
                this.w *= e,
                this
            }
            ,
            e.prototype.scale = function(t) {
                return new e(this.x * t,this.y * t,this.z * t,this.w * t)
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.x = this.x * e,
                t.y = this.y * e,
                t.z = this.z * e,
                t.w = this.w * e,
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.x += this.x * e,
                t.y += this.y * e,
                t.z += this.z * e,
                t.w += this.w * e,
                this
            }
            ,
            e.prototype.equals = function(e) {
                return e && this.x === e.x && this.y === e.y && this.z === e.z && this.w === e.w
            }
            ,
            e.prototype.equalsWithEpsilon = function(e, t) {
                return void 0 === t && (t = m),
                e && d.WithinEpsilon(this.x, e.x, t) && d.WithinEpsilon(this.y, e.y, t) && d.WithinEpsilon(this.z, e.z, t) && d.WithinEpsilon(this.w, e.w, t)
            }
            ,
            e.prototype.equalsToFloats = function(e, t, i, n) {
                return this.x === e && this.y === t && this.z === i && this.w === n
            }
            ,
            e.prototype.multiplyInPlace = function(e) {
                return this.x *= e.x,
                this.y *= e.y,
                this.z *= e.z,
                this.w *= e.w,
                this
            }
            ,
            e.prototype.multiply = function(t) {
                return new e(this.x * t.x,this.y * t.y,this.z * t.z,this.w * t.w)
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return t.x = this.x * e.x,
                t.y = this.y * e.y,
                t.z = this.z * e.z,
                t.w = this.w * e.w,
                this
            }
            ,
            e.prototype.multiplyByFloats = function(t, i, n, r) {
                return new e(this.x * t,this.y * i,this.z * n,this.w * r)
            }
            ,
            e.prototype.divide = function(t) {
                return new e(this.x / t.x,this.y / t.y,this.z / t.z,this.w / t.w)
            }
            ,
            e.prototype.divideToRef = function(e, t) {
                return t.x = this.x / e.x,
                t.y = this.y / e.y,
                t.z = this.z / e.z,
                t.w = this.w / e.w,
                this
            }
            ,
            e.prototype.divideInPlace = function(e) {
                return this.divideToRef(e, this)
            }
            ,
            e.prototype.minimizeInPlace = function(e) {
                return e.x < this.x && (this.x = e.x),
                e.y < this.y && (this.y = e.y),
                e.z < this.z && (this.z = e.z),
                e.w < this.w && (this.w = e.w),
                this
            }
            ,
            e.prototype.maximizeInPlace = function(e) {
                return e.x > this.x && (this.x = e.x),
                e.y > this.y && (this.y = e.y),
                e.z > this.z && (this.z = e.z),
                e.w > this.w && (this.w = e.w),
                this
            }
            ,
            e.prototype.floor = function() {
                return new e(Math.floor(this.x),Math.floor(this.y),Math.floor(this.z),Math.floor(this.w))
            }
            ,
            e.prototype.fract = function() {
                return new e(this.x - Math.floor(this.x),this.y - Math.floor(this.y),this.z - Math.floor(this.z),this.w - Math.floor(this.w))
            }
            ,
            e.prototype.length = function() {
                return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w)
            }
            ,
            e.prototype.lengthSquared = function() {
                return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w
            }
            ,
            e.prototype.normalize = function() {
                var e = this.length();
                return 0 === e ? this : this.scaleInPlace(1 / e)
            }
            ,
            e.prototype.toVector3 = function() {
                return new x(this.x,this.y,this.z)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.x,this.y,this.z,this.w)
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.x = e.x,
                this.y = e.y,
                this.z = e.z,
                this.w = e.w,
                this
            }
            ,
            e.prototype.copyFromFloats = function(e, t, i, n) {
                return this.x = e,
                this.y = t,
                this.z = i,
                this.w = n,
                this
            }
            ,
            e.prototype.set = function(e, t, i, n) {
                return this.copyFromFloats(e, t, i, n)
            }
            ,
            e.prototype.setAll = function(e) {
                return this.x = this.y = this.z = this.w = e,
                this
            }
            ,
            e.FromArray = function(t, i) {
                return i || (i = 0),
                new e(t[i],t[i + 1],t[i + 2],t[i + 3])
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                i.x = e[t],
                i.y = e[t + 1],
                i.z = e[t + 2],
                i.w = e[t + 3]
            }
            ,
            e.FromFloatArrayToRef = function(t, i, n) {
                e.FromArrayToRef(t, i, n)
            }
            ,
            e.FromFloatsToRef = function(e, t, i, n, r) {
                r.x = e,
                r.y = t,
                r.z = i,
                r.w = n
            }
            ,
            e.Zero = function() {
                return new e(0,0,0,0)
            }
            ,
            e.One = function() {
                return new e(1,1,1,1)
            }
            ,
            e.Normalize = function(t) {
                var i = e.Zero();
                return e.NormalizeToRef(t, i),
                i
            }
            ,
            e.NormalizeToRef = function(e, t) {
                t.copyFrom(e),
                t.normalize()
            }
            ,
            e.Minimize = function(e, t) {
                var i = e.clone();
                return i.minimizeInPlace(t),
                i
            }
            ,
            e.Maximize = function(e, t) {
                var i = e.clone();
                return i.maximizeInPlace(t),
                i
            }
            ,
            e.Distance = function(t, i) {
                return Math.sqrt(e.DistanceSquared(t, i))
            }
            ,
            e.DistanceSquared = function(e, t) {
                var i = e.x - t.x
                  , n = e.y - t.y
                  , r = e.z - t.z
                  , o = e.w - t.w;
                return i * i + n * n + r * r + o * o
            }
            ,
            e.Center = function(t, i) {
                return e.CenterToRef(t, i, e.Zero())
            }
            ,
            e.CenterToRef = function(e, t, i) {
                return i.copyFromFloats((e.x + t.x) / 2, (e.y + t.y) / 2, (e.z + t.z) / 2, (e.w + t.w) / 2)
            }
            ,
            e.TransformCoordinates = function(t, i) {
                var n = e.Zero();
                return e.TransformCoordinatesToRef(t, i, n),
                n
            }
            ,
            e.TransformCoordinatesToRef = function(t, i, n) {
                e.TransformCoordinatesFromFloatsToRef(t._x, t._y, t._z, i, n)
            }
            ,
            e.TransformCoordinatesFromFloatsToRef = function(e, t, i, n, r) {
                var o = n.m
                  , a = e * o[0] + t * o[4] + i * o[8] + o[12]
                  , s = e * o[1] + t * o[5] + i * o[9] + o[13]
                  , l = e * o[2] + t * o[6] + i * o[10] + o[14]
                  , c = e * o[3] + t * o[7] + i * o[11] + o[15];
                r.x = a,
                r.y = s,
                r.z = l,
                r.w = c
            }
            ,
            e.TransformNormal = function(t, i) {
                var n = e.Zero();
                return e.TransformNormalToRef(t, i, n),
                n
            }
            ,
            e.TransformNormalToRef = function(e, t, i) {
                var n = t.m
                  , r = e.x * n[0] + e.y * n[4] + e.z * n[8]
                  , o = e.x * n[1] + e.y * n[5] + e.z * n[9]
                  , a = e.x * n[2] + e.y * n[6] + e.z * n[10];
                i.x = r,
                i.y = o,
                i.z = a,
                i.w = e.w
            }
            ,
            e.TransformNormalFromFloatsToRef = function(e, t, i, n, r, o) {
                var a = r.m;
                o.x = e * a[0] + t * a[4] + i * a[8],
                o.y = e * a[1] + t * a[5] + i * a[9],
                o.z = e * a[2] + t * a[6] + i * a[10],
                o.w = n
            }
            ,
            e.FromVector3 = function(t, i) {
                return void 0 === i && (i = 0),
                new e(t._x,t._y,t._z,i)
            }
            ,
            e
        }()
          , C = function() {
            function e(e, t, i, n) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 1),
                this._isDirty = !0,
                this._x = e,
                this._y = t,
                this._z = i,
                this._w = n
            }
            return Object.defineProperty(e.prototype, "x", {
                get: function() {
                    return this._x
                },
                set: function(e) {
                    this._x = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "y", {
                get: function() {
                    return this._y
                },
                set: function(e) {
                    this._y = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "z", {
                get: function() {
                    return this._z
                },
                set: function(e) {
                    this._z = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "w", {
                get: function() {
                    return this._w
                },
                set: function(e) {
                    this._w = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.toString = function() {
                return "{X: ".concat(this._x, " Y: ").concat(this._y, " Z: ").concat(this._z, " W: ").concat(this._w, "}")
            }
            ,
            e.prototype.getClassName = function() {
                return "Quaternion"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = S(this._x);
                return 397 * (e = 397 * (e = 397 * e ^ S(this._y)) ^ S(this._z)) ^ S(this._w)
            }
            ,
            e.prototype.asArray = function() {
                return [this._x, this._y, this._z, this._w]
            }
            ,
            e.prototype.equals = function(e) {
                return e && this._x === e._x && this._y === e._y && this._z === e._z && this._w === e._w
            }
            ,
            e.prototype.equalsWithEpsilon = function(e, t) {
                return void 0 === t && (t = m),
                e && d.WithinEpsilon(this._x, e._x, t) && d.WithinEpsilon(this._y, e._y, t) && d.WithinEpsilon(this._z, e._z, t) && d.WithinEpsilon(this._w, e._w, t)
            }
            ,
            e.prototype.clone = function() {
                return new e(this._x,this._y,this._z,this._w)
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.x = e._x,
                this.y = e._y,
                this.z = e._z,
                this.w = e._w,
                this
            }
            ,
            e.prototype.copyFromFloats = function(e, t, i, n) {
                return this.x = e,
                this.y = t,
                this.z = i,
                this.w = n,
                this
            }
            ,
            e.prototype.set = function(e, t, i, n) {
                return this.copyFromFloats(e, t, i, n)
            }
            ,
            e.prototype.add = function(t) {
                return new e(this._x + t._x,this._y + t._y,this._z + t._z,this._w + t._w)
            }
            ,
            e.prototype.addInPlace = function(e) {
                return this._x += e._x,
                this._y += e._y,
                this._z += e._z,
                this._w += e._w,
                this
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this._x - t._x,this._y - t._y,this._z - t._z,this._w - t._w)
            }
            ,
            e.prototype.scale = function(t) {
                return new e(this._x * t,this._y * t,this._z * t,this._w * t)
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.x = this._x * e,
                t.y = this._y * e,
                t.z = this._z * e,
                t.w = this._w * e,
                this
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                return this.x *= e,
                this.y *= e,
                this.z *= e,
                this.w *= e,
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.x += this._x * e,
                t.y += this._y * e,
                t.z += this._z * e,
                t.w += this._w * e,
                this
            }
            ,
            e.prototype.multiply = function(t) {
                var i = new e(0,0,0,1);
                return this.multiplyToRef(t, i),
                i
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                var i = this._x * e._w + this._y * e._z - this._z * e._y + this._w * e._x
                  , n = -this._x * e._z + this._y * e._w + this._z * e._x + this._w * e._y
                  , r = this._x * e._y - this._y * e._x + this._z * e._w + this._w * e._z
                  , o = -this._x * e._x - this._y * e._y - this._z * e._z + this._w * e._w;
                return t.copyFromFloats(i, n, r, o),
                this
            }
            ,
            e.prototype.multiplyInPlace = function(e) {
                return this.multiplyToRef(e, this),
                this
            }
            ,
            e.prototype.conjugateToRef = function(e) {
                return e.copyFromFloats(-this._x, -this._y, -this._z, this._w),
                this
            }
            ,
            e.prototype.conjugateInPlace = function() {
                return this.x *= -1,
                this.y *= -1,
                this.z *= -1,
                this
            }
            ,
            e.prototype.conjugate = function() {
                return new e(-this._x,-this._y,-this._z,this._w)
            }
            ,
            e.prototype.length = function() {
                return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w)
            }
            ,
            e.prototype.normalize = function() {
                var e = this.length();
                if (0 === e)
                    return this;
                var t = 1 / e;
                return this.x *= t,
                this.y *= t,
                this.z *= t,
                this.w *= t,
                this
            }
            ,
            e.prototype.toEulerAngles = function() {
                var e = x.Zero();
                return this.toEulerAnglesToRef(e),
                e
            }
            ,
            e.prototype.toEulerAnglesToRef = function(e) {
                var t = this._z
                  , i = this._x
                  , n = this._y
                  , r = this._w
                  , o = r * r
                  , a = t * t
                  , s = i * i
                  , l = n * n
                  , c = n * t - i * r
                  , u = .4999999;
                return c < -u ? (e.y = 2 * Math.atan2(n, r),
                e.x = Math.PI / 2,
                e.z = 0) : c > u ? (e.y = 2 * Math.atan2(n, r),
                e.x = -Math.PI / 2,
                e.z = 0) : (e.z = Math.atan2(2 * (i * n + t * r), -a - s + l + o),
                e.x = Math.asin(-2 * (t * n - i * r)),
                e.y = Math.atan2(2 * (t * i + n * r), a - s - l + o)),
                this
            }
            ,
            e.prototype.toRotationMatrix = function(e) {
                return P.FromQuaternionToRef(this, e),
                this
            }
            ,
            e.prototype.fromRotationMatrix = function(t) {
                return e.FromRotationMatrixToRef(t, this),
                this
            }
            ,
            e.FromRotationMatrix = function(t) {
                var i = new e;
                return e.FromRotationMatrixToRef(t, i),
                i
            }
            ,
            e.FromRotationMatrixToRef = function(e, t) {
                var i, n = e.m, r = n[0], o = n[4], a = n[8], s = n[1], l = n[5], c = n[9], u = n[2], h = n[6], d = n[10], p = r + l + d;
                p > 0 ? (i = .5 / Math.sqrt(p + 1),
                t.w = .25 / i,
                t.x = (h - c) * i,
                t.y = (a - u) * i,
                t.z = (s - o) * i) : r > l && r > d ? (i = 2 * Math.sqrt(1 + r - l - d),
                t.w = (h - c) / i,
                t.x = .25 * i,
                t.y = (o + s) / i,
                t.z = (a + u) / i) : l > d ? (i = 2 * Math.sqrt(1 + l - r - d),
                t.w = (a - u) / i,
                t.x = (o + s) / i,
                t.y = .25 * i,
                t.z = (c + h) / i) : (i = 2 * Math.sqrt(1 + d - r - l),
                t.w = (s - o) / i,
                t.x = (a + u) / i,
                t.y = (c + h) / i,
                t.z = .25 * i)
            }
            ,
            e.Dot = function(e, t) {
                return e._x * t._x + e._y * t._y + e._z * t._z + e._w * t._w
            }
            ,
            e.AreClose = function(t, i) {
                return e.Dot(t, i) >= 0
            }
            ,
            e.SmoothToRef = function(t, i, n, r, o) {
                var a = 0 === r ? 1 : n / r;
                a = d.Clamp(a, 0, 1),
                e.SlerpToRef(t, i, a, o)
            }
            ,
            e.Zero = function() {
                return new e(0,0,0,0)
            }
            ,
            e.Inverse = function(t) {
                return new e(-t._x,-t._y,-t._z,t._w)
            }
            ,
            e.InverseToRef = function(e, t) {
                return t.set(-e._x, -e._y, -e._z, e._w),
                t
            }
            ,
            e.Identity = function() {
                return new e(0,0,0,1)
            }
            ,
            e.IsIdentity = function(e) {
                return e && 0 === e._x && 0 === e._y && 0 === e._z && 1 === e._w
            }
            ,
            e.RotationAxis = function(t, i) {
                return e.RotationAxisToRef(t, i, new e)
            }
            ,
            e.RotationAxisToRef = function(e, t, i) {
                var n = Math.sin(t / 2);
                return e.normalize(),
                i.w = Math.cos(t / 2),
                i.x = e._x * n,
                i.y = e._y * n,
                i.z = e._z * n,
                i
            }
            ,
            e.FromArray = function(t, i) {
                return i || (i = 0),
                new e(t[i],t[i + 1],t[i + 2],t[i + 3])
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                i.x = e[t],
                i.y = e[t + 1],
                i.z = e[t + 2],
                i.w = e[t + 3]
            }
            ,
            e.FromEulerAngles = function(t, i, n) {
                var r = new e;
                return e.RotationYawPitchRollToRef(i, t, n, r),
                r
            }
            ,
            e.FromEulerAnglesToRef = function(t, i, n, r) {
                return e.RotationYawPitchRollToRef(i, t, n, r),
                r
            }
            ,
            e.FromEulerVector = function(t) {
                var i = new e;
                return e.RotationYawPitchRollToRef(t._y, t._x, t._z, i),
                i
            }
            ,
            e.FromEulerVectorToRef = function(t, i) {
                return e.RotationYawPitchRollToRef(t._y, t._x, t._z, i),
                i
            }
            ,
            e.FromUnitVectorsToRef = function(e, t, i) {
                var n = x.Dot(e, t) + 1;
                return n < m ? Math.abs(e.x) > Math.abs(e.z) ? i.set(-e.y, e.x, 0, 0) : i.set(0, -e.z, e.y, 0) : (x.CrossToRef(e, t, I.Vector3[0]),
                i.set(I.Vector3[0].x, I.Vector3[0].y, I.Vector3[0].z, n)),
                i.normalize()
            }
            ,
            e.RotationYawPitchRoll = function(t, i, n) {
                var r = new e;
                return e.RotationYawPitchRollToRef(t, i, n, r),
                r
            }
            ,
            e.RotationYawPitchRollToRef = function(e, t, i, n) {
                var r = .5 * i
                  , o = .5 * t
                  , a = .5 * e
                  , s = Math.sin(r)
                  , l = Math.cos(r)
                  , c = Math.sin(o)
                  , u = Math.cos(o)
                  , h = Math.sin(a)
                  , d = Math.cos(a);
                n.x = d * c * l + h * u * s,
                n.y = h * u * l - d * c * s,
                n.z = d * u * s - h * c * l,
                n.w = d * u * l + h * c * s
            }
            ,
            e.RotationAlphaBetaGamma = function(t, i, n) {
                var r = new e;
                return e.RotationAlphaBetaGammaToRef(t, i, n, r),
                r
            }
            ,
            e.RotationAlphaBetaGammaToRef = function(e, t, i, n) {
                var r = .5 * (i + e)
                  , o = .5 * (i - e)
                  , a = .5 * t;
                n.x = Math.cos(o) * Math.sin(a),
                n.y = Math.sin(o) * Math.sin(a),
                n.z = Math.sin(r) * Math.cos(a),
                n.w = Math.cos(r) * Math.cos(a)
            }
            ,
            e.RotationQuaternionFromAxis = function(t, i, n) {
                var r = new e(0,0,0,0);
                return e.RotationQuaternionFromAxisToRef(t, i, n, r),
                r
            }
            ,
            e.RotationQuaternionFromAxisToRef = function(t, i, n, r) {
                var o = M.Matrix[0];
                P.FromXYZAxesToRef(t.normalize(), i.normalize(), n.normalize(), o),
                e.FromRotationMatrixToRef(o, r)
            }
            ,
            e.FromLookDirectionLH = function(t, i) {
                var n = new e;
                return e.FromLookDirectionLHToRef(t, i, n),
                n
            }
            ,
            e.FromLookDirectionLHToRef = function(t, i, n) {
                var r = M.Matrix[0];
                P.LookDirectionLHToRef(t, i, r),
                e.FromRotationMatrixToRef(r, n)
            }
            ,
            e.FromLookDirectionRH = function(t, i) {
                var n = new e;
                return e.FromLookDirectionRHToRef(t, i, n),
                n
            }
            ,
            e.FromLookDirectionRHToRef = function(t, i, n) {
                var r = M.Matrix[0];
                return P.LookDirectionRHToRef(t, i, r),
                e.FromRotationMatrixToRef(r, n)
            }
            ,
            e.Slerp = function(t, i, n) {
                var r = e.Identity();
                return e.SlerpToRef(t, i, n, r),
                r
            }
            ,
            e.SlerpToRef = function(e, t, i, n) {
                var r, o, a = e._x * t._x + e._y * t._y + e._z * t._z + e._w * t._w, s = !1;
                if (a < 0 && (s = !0,
                a = -a),
                a > .999999)
                    o = 1 - i,
                    r = s ? -i : i;
                else {
                    var l = Math.acos(a)
                      , c = 1 / Math.sin(l);
                    o = Math.sin((1 - i) * l) * c,
                    r = s ? -Math.sin(i * l) * c : Math.sin(i * l) * c
                }
                n.x = o * e._x + r * t._x,
                n.y = o * e._y + r * t._y,
                n.z = o * e._z + r * t._z,
                n.w = o * e._w + r * t._w
            }
            ,
            e.Hermite = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a
                  , l = 2 * s - 3 * a + 1
                  , c = -2 * s + 3 * a
                  , u = s - 2 * a + o
                  , h = s - a;
                return new e(t._x * l + n._x * c + i._x * u + r._x * h,t._y * l + n._y * c + i._y * u + r._y * h,t._z * l + n._z * c + i._z * u + r._z * h,t._w * l + n._w * c + i._w * u + r._w * h)
            }
            ,
            e.Hermite1stDerivative = function(t, i, n, r, o) {
                var a = e.Zero();
                return this.Hermite1stDerivativeToRef(t, i, n, r, o, a),
                a
            }
            ,
            e.Hermite1stDerivativeToRef = function(e, t, i, n, r, o) {
                var a = r * r;
                o.x = 6 * (a - r) * e.x + (3 * a - 4 * r + 1) * t.x + 6 * (-a + r) * i.x + (3 * a - 2 * r) * n.x,
                o.y = 6 * (a - r) * e.y + (3 * a - 4 * r + 1) * t.y + 6 * (-a + r) * i.y + (3 * a - 2 * r) * n.y,
                o.z = 6 * (a - r) * e.z + (3 * a - 4 * r + 1) * t.z + 6 * (-a + r) * i.z + (3 * a - 2 * r) * n.z,
                o.w = 6 * (a - r) * e.w + (3 * a - 4 * r + 1) * t.w + 6 * (-a + r) * i.w + (3 * a - 2 * r) * n.w
            }
            ,
            e
        }()
          , P = function() {
            function e() {
                this._isIdentity = !1,
                this._isIdentityDirty = !0,
                this._isIdentity3x2 = !0,
                this._isIdentity3x2Dirty = !0,
                this.updateFlag = -1,
                T.MatrixTrackPrecisionChange && T.MatrixTrackedMatrices.push(this),
                this._m = new T.MatrixCurrentType(16),
                this.markAsUpdated()
            }
            return Object.defineProperty(e, "Use64Bits", {
                get: function() {
                    return T.MatrixUse64Bits
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "m", {
                get: function() {
                    return this._m
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.markAsUpdated = function() {
                this.updateFlag = e._UpdateFlagSeed++,
                this._isIdentity = !1,
                this._isIdentity3x2 = !1,
                this._isIdentityDirty = !0,
                this._isIdentity3x2Dirty = !0
            }
            ,
            e.prototype._updateIdentityStatus = function(e, t, i, n) {
                void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                void 0 === n && (n = !0),
                this._isIdentity = e,
                this._isIdentity3x2 = e || i,
                this._isIdentityDirty = !this._isIdentity && t,
                this._isIdentity3x2Dirty = !this._isIdentity3x2 && n
            }
            ,
            e.prototype.isIdentity = function() {
                if (this._isIdentityDirty) {
                    this._isIdentityDirty = !1;
                    var e = this._m;
                    this._isIdentity = 1 === e[0] && 0 === e[1] && 0 === e[2] && 0 === e[3] && 0 === e[4] && 1 === e[5] && 0 === e[6] && 0 === e[7] && 0 === e[8] && 0 === e[9] && 1 === e[10] && 0 === e[11] && 0 === e[12] && 0 === e[13] && 0 === e[14] && 1 === e[15]
                }
                return this._isIdentity
            }
            ,
            e.prototype.isIdentityAs3x2 = function() {
                return this._isIdentity3x2Dirty && (this._isIdentity3x2Dirty = !1,
                1 !== this._m[0] || 1 !== this._m[5] || 1 !== this._m[15] || 0 !== this._m[1] || 0 !== this._m[2] || 0 !== this._m[3] || 0 !== this._m[4] || 0 !== this._m[6] || 0 !== this._m[7] || 0 !== this._m[8] || 0 !== this._m[9] || 0 !== this._m[10] || 0 !== this._m[11] || 0 !== this._m[12] || 0 !== this._m[13] || 0 !== this._m[14] ? this._isIdentity3x2 = !1 : this._isIdentity3x2 = !0),
                this._isIdentity3x2
            }
            ,
            e.prototype.determinant = function() {
                if (!0 === this._isIdentity)
                    return 1;
                var e = this._m
                  , t = e[0]
                  , i = e[1]
                  , n = e[2]
                  , r = e[3]
                  , o = e[4]
                  , a = e[5]
                  , s = e[6]
                  , l = e[7]
                  , c = e[8]
                  , u = e[9]
                  , h = e[10]
                  , d = e[11]
                  , p = e[12]
                  , f = e[13]
                  , _ = e[14]
                  , m = e[15]
                  , g = h * m - _ * d
                  , v = u * m - f * d
                  , y = u * _ - f * h
                  , b = c * m - p * d
                  , T = c * _ - h * p
                  , E = c * f - p * u;
                return t * +(a * g - s * v + l * y) + i * -(o * g - s * b + l * T) + n * +(o * v - a * b + l * E) + r * -(o * y - a * T + s * E)
            }
            ,
            e.prototype.toArray = function() {
                return this._m
            }
            ,
            e.prototype.asArray = function() {
                return this._m
            }
            ,
            e.prototype.invert = function() {
                return this.invertToRef(this),
                this
            }
            ,
            e.prototype.reset = function() {
                return e.FromValuesToRef(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, this),
                this._updateIdentityStatus(!1),
                this
            }
            ,
            e.prototype.add = function(t) {
                var i = new e;
                return this.addToRef(t, i),
                i
            }
            ,
            e.prototype.addToRef = function(e, t) {
                for (var i = this._m, n = t._m, r = e.m, o = 0; o < 16; o++)
                    n[o] = i[o] + r[o];
                return t.markAsUpdated(),
                this
            }
            ,
            e.prototype.addToSelf = function(e) {
                for (var t = this._m, i = e.m, n = 0; n < 16; n++)
                    t[n] += i[n];
                return this.markAsUpdated(),
                this
            }
            ,
            e.prototype.invertToRef = function(t) {
                if (!0 === this._isIdentity)
                    return e.IdentityToRef(t),
                    this;
                var i = this._m
                  , n = i[0]
                  , r = i[1]
                  , o = i[2]
                  , a = i[3]
                  , s = i[4]
                  , l = i[5]
                  , c = i[6]
                  , u = i[7]
                  , h = i[8]
                  , d = i[9]
                  , p = i[10]
                  , f = i[11]
                  , _ = i[12]
                  , m = i[13]
                  , g = i[14]
                  , v = i[15]
                  , y = p * v - g * f
                  , b = d * v - m * f
                  , T = d * g - m * p
                  , E = h * v - _ * f
                  , S = h * g - p * _
                  , A = h * m - _ * d
                  , x = +(l * y - c * b + u * T)
                  , R = -(s * y - c * E + u * S)
                  , C = +(s * b - l * E + u * A)
                  , P = -(s * T - l * S + c * A)
                  , M = n * x + r * R + o * C + a * P;
                if (0 === M)
                    return t.copyFrom(this),
                    this;
                var I = 1 / M
                  , O = c * v - g * u
                  , D = l * v - m * u
                  , N = l * g - m * c
                  , L = s * v - _ * u
                  , F = s * g - _ * c
                  , w = s * m - _ * l
                  , B = c * f - p * u
                  , U = l * f - d * u
                  , V = l * p - d * c
                  , k = s * f - h * u
                  , G = s * p - h * c
                  , z = s * d - h * l
                  , W = -(r * y - o * b + a * T)
                  , H = +(n * y - o * E + a * S)
                  , X = -(n * b - r * E + a * A)
                  , j = +(n * T - r * S + o * A)
                  , Y = +(r * O - o * D + a * N)
                  , K = -(n * O - o * L + a * F)
                  , Q = +(n * D - r * L + a * w)
                  , q = -(n * N - r * F + o * w)
                  , Z = -(r * B - o * U + a * V)
                  , J = +(n * B - o * k + a * G)
                  , $ = -(n * U - r * k + a * z)
                  , ee = +(n * V - r * G + o * z);
                return e.FromValuesToRef(x * I, W * I, Y * I, Z * I, R * I, H * I, K * I, J * I, C * I, X * I, Q * I, $ * I, P * I, j * I, q * I, ee * I, t),
                this
            }
            ,
            e.prototype.addAtIndex = function(e, t) {
                return this._m[e] += t,
                this.markAsUpdated(),
                this
            }
            ,
            e.prototype.multiplyAtIndex = function(e, t) {
                return this._m[e] *= t,
                this.markAsUpdated(),
                this
            }
            ,
            e.prototype.setTranslationFromFloats = function(e, t, i) {
                return this._m[12] = e,
                this._m[13] = t,
                this._m[14] = i,
                this.markAsUpdated(),
                this
            }
            ,
            e.prototype.addTranslationFromFloats = function(e, t, i) {
                return this._m[12] += e,
                this._m[13] += t,
                this._m[14] += i,
                this.markAsUpdated(),
                this
            }
            ,
            e.prototype.setTranslation = function(e) {
                return this.setTranslationFromFloats(e._x, e._y, e._z)
            }
            ,
            e.prototype.getTranslation = function() {
                return new x(this._m[12],this._m[13],this._m[14])
            }
            ,
            e.prototype.getTranslationToRef = function(e) {
                return e.x = this._m[12],
                e.y = this._m[13],
                e.z = this._m[14],
                this
            }
            ,
            e.prototype.removeRotationAndScaling = function() {
                var t = this.m;
                return e.FromValuesToRef(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, t[12], t[13], t[14], t[15], this),
                this._updateIdentityStatus(0 === t[12] && 0 === t[13] && 0 === t[14] && 1 === t[15]),
                this
            }
            ,
            e.prototype.multiply = function(t) {
                var i = new e;
                return this.multiplyToRef(t, i),
                i
            }
            ,
            e.prototype.copyFrom = function(e) {
                e.copyToArray(this._m);
                var t = e;
                return this.updateFlag = t.updateFlag,
                this._updateIdentityStatus(t._isIdentity, t._isIdentityDirty, t._isIdentity3x2, t._isIdentity3x2Dirty),
                this
            }
            ,
            e.prototype.copyToArray = function(e, t) {
                void 0 === t && (t = 0);
                var i = this._m;
                return e[t] = i[0],
                e[t + 1] = i[1],
                e[t + 2] = i[2],
                e[t + 3] = i[3],
                e[t + 4] = i[4],
                e[t + 5] = i[5],
                e[t + 6] = i[6],
                e[t + 7] = i[7],
                e[t + 8] = i[8],
                e[t + 9] = i[9],
                e[t + 10] = i[10],
                e[t + 11] = i[11],
                e[t + 12] = i[12],
                e[t + 13] = i[13],
                e[t + 14] = i[14],
                e[t + 15] = i[15],
                this
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return this._isIdentity ? (t.copyFrom(e),
                this) : e._isIdentity ? (t.copyFrom(this),
                this) : (this.multiplyToArray(e, t._m, 0),
                t.markAsUpdated(),
                this)
            }
            ,
            e.prototype.multiplyToArray = function(e, t, i) {
                var n = this._m
                  , r = e.m
                  , o = n[0]
                  , a = n[1]
                  , s = n[2]
                  , l = n[3]
                  , c = n[4]
                  , u = n[5]
                  , h = n[6]
                  , d = n[7]
                  , p = n[8]
                  , f = n[9]
                  , _ = n[10]
                  , m = n[11]
                  , g = n[12]
                  , v = n[13]
                  , y = n[14]
                  , b = n[15]
                  , T = r[0]
                  , E = r[1]
                  , S = r[2]
                  , A = r[3]
                  , x = r[4]
                  , R = r[5]
                  , C = r[6]
                  , P = r[7]
                  , M = r[8]
                  , I = r[9]
                  , O = r[10]
                  , D = r[11]
                  , N = r[12]
                  , L = r[13]
                  , F = r[14]
                  , w = r[15];
                return t[i] = o * T + a * x + s * M + l * N,
                t[i + 1] = o * E + a * R + s * I + l * L,
                t[i + 2] = o * S + a * C + s * O + l * F,
                t[i + 3] = o * A + a * P + s * D + l * w,
                t[i + 4] = c * T + u * x + h * M + d * N,
                t[i + 5] = c * E + u * R + h * I + d * L,
                t[i + 6] = c * S + u * C + h * O + d * F,
                t[i + 7] = c * A + u * P + h * D + d * w,
                t[i + 8] = p * T + f * x + _ * M + m * N,
                t[i + 9] = p * E + f * R + _ * I + m * L,
                t[i + 10] = p * S + f * C + _ * O + m * F,
                t[i + 11] = p * A + f * P + _ * D + m * w,
                t[i + 12] = g * T + v * x + y * M + b * N,
                t[i + 13] = g * E + v * R + y * I + b * L,
                t[i + 14] = g * S + v * C + y * O + b * F,
                t[i + 15] = g * A + v * P + y * D + b * w,
                this
            }
            ,
            e.prototype.equals = function(e) {
                var t = e;
                if (!t)
                    return !1;
                if ((this._isIdentity || t._isIdentity) && !this._isIdentityDirty && !t._isIdentityDirty)
                    return this._isIdentity && t._isIdentity;
                var i = this.m
                  , n = t.m;
                return i[0] === n[0] && i[1] === n[1] && i[2] === n[2] && i[3] === n[3] && i[4] === n[4] && i[5] === n[5] && i[6] === n[6] && i[7] === n[7] && i[8] === n[8] && i[9] === n[9] && i[10] === n[10] && i[11] === n[11] && i[12] === n[12] && i[13] === n[13] && i[14] === n[14] && i[15] === n[15]
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return t.copyFrom(this),
                t
            }
            ,
            e.prototype.getClassName = function() {
                return "Matrix"
            }
            ,
            e.prototype.getHashCode = function() {
                for (var e = S(this._m[0]), t = 1; t < 16; t++)
                    e = 397 * e ^ S(this._m[t]);
                return e
            }
            ,
            e.prototype.decomposeToTransformNode = function(e) {
                return e.rotationQuaternion = e.rotationQuaternion || new C,
                this.decompose(e.scaling, e.rotationQuaternion, e.position)
            }
            ,
            e.prototype.decompose = function(t, i, n, r) {
                if (this._isIdentity)
                    return n && n.setAll(0),
                    t && t.setAll(1),
                    i && i.copyFromFloats(0, 0, 0, 1),
                    !0;
                var o = this._m;
                if (n && n.copyFromFloats(o[12], o[13], o[14]),
                (t = t || M.Vector3[0]).x = Math.sqrt(o[0] * o[0] + o[1] * o[1] + o[2] * o[2]),
                t.y = Math.sqrt(o[4] * o[4] + o[5] * o[5] + o[6] * o[6]),
                t.z = Math.sqrt(o[8] * o[8] + o[9] * o[9] + o[10] * o[10]),
                r) {
                    var a = r.scaling.x < 0 ? -1 : 1
                      , s = r.scaling.y < 0 ? -1 : 1
                      , l = r.scaling.z < 0 ? -1 : 1;
                    t.x *= a,
                    t.y *= s,
                    t.z *= l
                } else
                    this.determinant() <= 0 && (t.y *= -1);
                if (0 === t._x || 0 === t._y || 0 === t._z)
                    return i && i.copyFromFloats(0, 0, 0, 1),
                    !1;
                if (i) {
                    var c = 1 / t._x
                      , u = 1 / t._y
                      , h = 1 / t._z;
                    e.FromValuesToRef(o[0] * c, o[1] * c, o[2] * c, 0, o[4] * u, o[5] * u, o[6] * u, 0, o[8] * h, o[9] * h, o[10] * h, 0, 0, 0, 0, 1, M.Matrix[0]),
                    C.FromRotationMatrixToRef(M.Matrix[0], i)
                }
                return !0
            }
            ,
            e.prototype.getRow = function(e) {
                if (e < 0 || e > 3)
                    return null;
                var t = 4 * e;
                return new R(this._m[t + 0],this._m[t + 1],this._m[t + 2],this._m[t + 3])
            }
            ,
            e.prototype.setRow = function(e, t) {
                return this.setRowFromFloats(e, t.x, t.y, t.z, t.w)
            }
            ,
            e.prototype.transpose = function() {
                return e.Transpose(this)
            }
            ,
            e.prototype.transposeToRef = function(t) {
                return e.TransposeToRef(this, t),
                this
            }
            ,
            e.prototype.setRowFromFloats = function(e, t, i, n, r) {
                if (e < 0 || e > 3)
                    return this;
                var o = 4 * e;
                return this._m[o + 0] = t,
                this._m[o + 1] = i,
                this._m[o + 2] = n,
                this._m[o + 3] = r,
                this.markAsUpdated(),
                this
            }
            ,
            e.prototype.scale = function(t) {
                var i = new e;
                return this.scaleToRef(t, i),
                i
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                for (var i = 0; i < 16; i++)
                    t._m[i] = this._m[i] * e;
                return t.markAsUpdated(),
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                for (var i = 0; i < 16; i++)
                    t._m[i] += this._m[i] * e;
                return t.markAsUpdated(),
                this
            }
            ,
            e.prototype.toNormalMatrix = function(t) {
                var i = M.Matrix[0];
                this.invertToRef(i),
                i.transposeToRef(t);
                var n = t._m;
                e.FromValuesToRef(n[0], n[1], n[2], 0, n[4], n[5], n[6], 0, n[8], n[9], n[10], 0, 0, 0, 0, 1, t)
            }
            ,
            e.prototype.getRotationMatrix = function() {
                var t = new e;
                return this.getRotationMatrixToRef(t),
                t
            }
            ,
            e.prototype.getRotationMatrixToRef = function(t) {
                var i = M.Vector3[0];
                if (!this.decompose(i))
                    return e.IdentityToRef(t),
                    this;
                var n = this._m
                  , r = 1 / i._x
                  , o = 1 / i._y
                  , a = 1 / i._z;
                return e.FromValuesToRef(n[0] * r, n[1] * r, n[2] * r, 0, n[4] * o, n[5] * o, n[6] * o, 0, n[8] * a, n[9] * a, n[10] * a, 0, 0, 0, 0, 1, t),
                this
            }
            ,
            e.prototype.toggleModelMatrixHandInPlace = function() {
                var e = this._m;
                e[2] *= -1,
                e[6] *= -1,
                e[8] *= -1,
                e[9] *= -1,
                e[14] *= -1,
                this.markAsUpdated()
            }
            ,
            e.prototype.toggleProjectionMatrixHandInPlace = function() {
                var e = this._m;
                e[8] *= -1,
                e[9] *= -1,
                e[10] *= -1,
                e[11] *= -1,
                this.markAsUpdated()
            }
            ,
            e.FromArray = function(t, i) {
                void 0 === i && (i = 0);
                var n = new e;
                return e.FromArrayToRef(t, i, n),
                n
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                for (var n = 0; n < 16; n++)
                    i._m[n] = e[n + t];
                i.markAsUpdated()
            }
            ,
            e.FromFloat32ArrayToRefScaled = function(e, t, i, n) {
                for (var r = 0; r < 16; r++)
                    n._m[r] = e[r + t] * i;
                n.markAsUpdated()
            }
            ,
            Object.defineProperty(e, "IdentityReadOnly", {
                get: function() {
                    return e._IdentityReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            e.FromValuesToRef = function(e, t, i, n, r, o, a, s, l, c, u, h, d, p, f, _, m) {
                var g = m._m;
                g[0] = e,
                g[1] = t,
                g[2] = i,
                g[3] = n,
                g[4] = r,
                g[5] = o,
                g[6] = a,
                g[7] = s,
                g[8] = l,
                g[9] = c,
                g[10] = u,
                g[11] = h,
                g[12] = d,
                g[13] = p,
                g[14] = f,
                g[15] = _,
                m.markAsUpdated()
            }
            ,
            e.FromValues = function(t, i, n, r, o, a, s, l, c, u, h, d, p, f, _, m) {
                var g = new e
                  , v = g._m;
                return v[0] = t,
                v[1] = i,
                v[2] = n,
                v[3] = r,
                v[4] = o,
                v[5] = a,
                v[6] = s,
                v[7] = l,
                v[8] = c,
                v[9] = u,
                v[10] = h,
                v[11] = d,
                v[12] = p,
                v[13] = f,
                v[14] = _,
                v[15] = m,
                g.markAsUpdated(),
                g
            }
            ,
            e.Compose = function(t, i, n) {
                var r = new e;
                return e.ComposeToRef(t, i, n, r),
                r
            }
            ,
            e.ComposeToRef = function(e, t, i, n) {
                var r = n._m
                  , o = t._x
                  , a = t._y
                  , s = t._z
                  , l = t._w
                  , c = o + o
                  , u = a + a
                  , h = s + s
                  , d = o * c
                  , p = o * u
                  , f = o * h
                  , _ = a * u
                  , m = a * h
                  , g = s * h
                  , v = l * c
                  , y = l * u
                  , b = l * h
                  , T = e._x
                  , E = e._y
                  , S = e._z;
                r[0] = (1 - (_ + g)) * T,
                r[1] = (p + b) * T,
                r[2] = (f - y) * T,
                r[3] = 0,
                r[4] = (p - b) * E,
                r[5] = (1 - (d + g)) * E,
                r[6] = (m + v) * E,
                r[7] = 0,
                r[8] = (f + y) * S,
                r[9] = (m - v) * S,
                r[10] = (1 - (d + _)) * S,
                r[11] = 0,
                r[12] = i._x,
                r[13] = i._y,
                r[14] = i._z,
                r[15] = 1,
                n.markAsUpdated()
            }
            ,
            e.Identity = function() {
                var t = e.FromValues(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
                return t._updateIdentityStatus(!0),
                t
            }
            ,
            e.IdentityToRef = function(t) {
                e.FromValuesToRef(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, t),
                t._updateIdentityStatus(!0)
            }
            ,
            e.Zero = function() {
                var t = e.FromValues(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
                return t._updateIdentityStatus(!1),
                t
            }
            ,
            e.RotationX = function(t) {
                var i = new e;
                return e.RotationXToRef(t, i),
                i
            }
            ,
            e.Invert = function(t) {
                var i = new e;
                return t.invertToRef(i),
                i
            }
            ,
            e.RotationXToRef = function(t, i) {
                var n = Math.sin(t)
                  , r = Math.cos(t);
                e.FromValuesToRef(1, 0, 0, 0, 0, r, n, 0, 0, -n, r, 0, 0, 0, 0, 1, i),
                i._updateIdentityStatus(1 === r && 0 === n)
            }
            ,
            e.RotationY = function(t) {
                var i = new e;
                return e.RotationYToRef(t, i),
                i
            }
            ,
            e.RotationYToRef = function(t, i) {
                var n = Math.sin(t)
                  , r = Math.cos(t);
                e.FromValuesToRef(r, 0, -n, 0, 0, 1, 0, 0, n, 0, r, 0, 0, 0, 0, 1, i),
                i._updateIdentityStatus(1 === r && 0 === n)
            }
            ,
            e.RotationZ = function(t) {
                var i = new e;
                return e.RotationZToRef(t, i),
                i
            }
            ,
            e.RotationZToRef = function(t, i) {
                var n = Math.sin(t)
                  , r = Math.cos(t);
                e.FromValuesToRef(r, n, 0, 0, -n, r, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, i),
                i._updateIdentityStatus(1 === r && 0 === n)
            }
            ,
            e.RotationAxis = function(t, i) {
                var n = new e;
                return e.RotationAxisToRef(t, i, n),
                n
            }
            ,
            e.RotationAxisToRef = function(e, t, i) {
                var n = Math.sin(-t)
                  , r = Math.cos(-t)
                  , o = 1 - r;
                e.normalize();
                var a = i._m;
                a[0] = e._x * e._x * o + r,
                a[1] = e._x * e._y * o - e._z * n,
                a[2] = e._x * e._z * o + e._y * n,
                a[3] = 0,
                a[4] = e._y * e._x * o + e._z * n,
                a[5] = e._y * e._y * o + r,
                a[6] = e._y * e._z * o - e._x * n,
                a[7] = 0,
                a[8] = e._z * e._x * o - e._y * n,
                a[9] = e._z * e._y * o + e._x * n,
                a[10] = e._z * e._z * o + r,
                a[11] = 0,
                a[12] = 0,
                a[13] = 0,
                a[14] = 0,
                a[15] = 1,
                i.markAsUpdated()
            }
            ,
            e.RotationAlignToRef = function(e, t, i) {
                var n = x.Dot(t, e)
                  , r = i._m;
                if (n < -1 + m)
                    r[0] = -1,
                    r[1] = 0,
                    r[2] = 0,
                    r[3] = 0,
                    r[4] = 0,
                    r[5] = -1,
                    r[6] = 0,
                    r[7] = 0,
                    r[8] = 0,
                    r[9] = 0,
                    r[10] = 1,
                    r[11] = 0;
                else {
                    var o = x.Cross(t, e)
                      , a = 1 / (1 + n);
                    r[0] = o._x * o._x * a + n,
                    r[1] = o._y * o._x * a - o._z,
                    r[2] = o._z * o._x * a + o._y,
                    r[3] = 0,
                    r[4] = o._x * o._y * a + o._z,
                    r[5] = o._y * o._y * a + n,
                    r[6] = o._z * o._y * a - o._x,
                    r[7] = 0,
                    r[8] = o._x * o._z * a - o._y,
                    r[9] = o._y * o._z * a + o._x,
                    r[10] = o._z * o._z * a + n,
                    r[11] = 0
                }
                r[12] = 0,
                r[13] = 0,
                r[14] = 0,
                r[15] = 1,
                i.markAsUpdated()
            }
            ,
            e.RotationYawPitchRoll = function(t, i, n) {
                var r = new e;
                return e.RotationYawPitchRollToRef(t, i, n, r),
                r
            }
            ,
            e.RotationYawPitchRollToRef = function(e, t, i, n) {
                C.RotationYawPitchRollToRef(e, t, i, M.Quaternion[0]),
                M.Quaternion[0].toRotationMatrix(n)
            }
            ,
            e.Scaling = function(t, i, n) {
                var r = new e;
                return e.ScalingToRef(t, i, n, r),
                r
            }
            ,
            e.ScalingToRef = function(t, i, n, r) {
                e.FromValuesToRef(t, 0, 0, 0, 0, i, 0, 0, 0, 0, n, 0, 0, 0, 0, 1, r),
                r._updateIdentityStatus(1 === t && 1 === i && 1 === n)
            }
            ,
            e.Translation = function(t, i, n) {
                var r = new e;
                return e.TranslationToRef(t, i, n, r),
                r
            }
            ,
            e.TranslationToRef = function(t, i, n, r) {
                e.FromValuesToRef(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, t, i, n, 1, r),
                r._updateIdentityStatus(0 === t && 0 === i && 0 === n)
            }
            ,
            e.Lerp = function(t, i, n) {
                var r = new e;
                return e.LerpToRef(t, i, n, r),
                r
            }
            ,
            e.LerpToRef = function(e, t, i, n) {
                for (var r = n._m, o = e.m, a = t.m, s = 0; s < 16; s++)
                    r[s] = o[s] * (1 - i) + a[s] * i;
                n.markAsUpdated()
            }
            ,
            e.DecomposeLerp = function(t, i, n) {
                var r = new e;
                return e.DecomposeLerpToRef(t, i, n, r),
                r
            }
            ,
            e.DecomposeLerpToRef = function(t, i, n, r) {
                var o = M.Vector3[0]
                  , a = M.Quaternion[0]
                  , s = M.Vector3[1];
                t.decompose(o, a, s);
                var l = M.Vector3[2]
                  , c = M.Quaternion[1]
                  , u = M.Vector3[3];
                i.decompose(l, c, u);
                var h = M.Vector3[4];
                x.LerpToRef(o, l, n, h);
                var d = M.Quaternion[2];
                C.SlerpToRef(a, c, n, d);
                var p = M.Vector3[5];
                x.LerpToRef(s, u, n, p),
                e.ComposeToRef(h, d, p, r)
            }
            ,
            e.LookAtLH = function(t, i, n) {
                var r = new e;
                return e.LookAtLHToRef(t, i, n, r),
                r
            }
            ,
            e.LookAtLHToRef = function(t, i, n, r) {
                var o = M.Vector3[0]
                  , a = M.Vector3[1]
                  , s = M.Vector3[2];
                i.subtractToRef(t, s),
                s.normalize(),
                x.CrossToRef(n, s, o);
                var l = o.lengthSquared();
                0 === l ? o.x = 1 : o.normalizeFromLength(Math.sqrt(l)),
                x.CrossToRef(s, o, a),
                a.normalize();
                var c = -x.Dot(o, t)
                  , u = -x.Dot(a, t)
                  , h = -x.Dot(s, t);
                e.FromValuesToRef(o._x, a._x, s._x, 0, o._y, a._y, s._y, 0, o._z, a._z, s._z, 0, c, u, h, 1, r)
            }
            ,
            e.LookAtRH = function(t, i, n) {
                var r = new e;
                return e.LookAtRHToRef(t, i, n, r),
                r
            }
            ,
            e.LookAtRHToRef = function(t, i, n, r) {
                var o = M.Vector3[0]
                  , a = M.Vector3[1]
                  , s = M.Vector3[2];
                t.subtractToRef(i, s),
                s.normalize(),
                x.CrossToRef(n, s, o);
                var l = o.lengthSquared();
                0 === l ? o.x = 1 : o.normalizeFromLength(Math.sqrt(l)),
                x.CrossToRef(s, o, a),
                a.normalize();
                var c = -x.Dot(o, t)
                  , u = -x.Dot(a, t)
                  , h = -x.Dot(s, t);
                e.FromValuesToRef(o._x, a._x, s._x, 0, o._y, a._y, s._y, 0, o._z, a._z, s._z, 0, c, u, h, 1, r)
            }
            ,
            e.LookDirectionLH = function(t, i) {
                var n = new e;
                return e.LookDirectionLHToRef(t, i, n),
                n
            }
            ,
            e.LookDirectionLHToRef = function(t, i, n) {
                var r = M.Vector3[0];
                r.copyFrom(t),
                r.scaleInPlace(-1);
                var o = M.Vector3[1];
                x.CrossToRef(i, r, o),
                e.FromValuesToRef(o._x, o._y, o._z, 0, i._x, i._y, i._z, 0, r._x, r._y, r._z, 0, 0, 0, 0, 1, n)
            }
            ,
            e.LookDirectionRH = function(t, i) {
                var n = new e;
                return e.LookDirectionRHToRef(t, i, n),
                n
            }
            ,
            e.LookDirectionRHToRef = function(t, i, n) {
                var r = M.Vector3[2];
                x.CrossToRef(i, t, r),
                e.FromValuesToRef(r._x, r._y, r._z, 0, i._x, i._y, i._z, 0, t._x, t._y, t._z, 0, 0, 0, 0, 1, n)
            }
            ,
            e.OrthoLH = function(t, i, n, r, o) {
                var a = new e;
                return e.OrthoLHToRef(t, i, n, r, a, o),
                a
            }
            ,
            e.OrthoLHToRef = function(t, i, n, r, o, a) {
                var s = 2 / t
                  , l = 2 / i
                  , c = 2 / (r - n)
                  , u = -(r + n) / (r - n);
                e.FromValuesToRef(s, 0, 0, 0, 0, l, 0, 0, 0, 0, c, 0, 0, 0, u, 1, o),
                a && o.multiplyToRef(O, o),
                o._updateIdentityStatus(1 === s && 1 === l && 1 === c && 0 === u)
            }
            ,
            e.OrthoOffCenterLH = function(t, i, n, r, o, a, s) {
                var l = new e;
                return e.OrthoOffCenterLHToRef(t, i, n, r, o, a, l, s),
                l
            }
            ,
            e.OrthoOffCenterLHToRef = function(t, i, n, r, o, a, s, l) {
                var c = 2 / (i - t)
                  , u = 2 / (r - n)
                  , h = 2 / (a - o)
                  , d = -(a + o) / (a - o)
                  , p = (t + i) / (t - i)
                  , f = (r + n) / (n - r);
                e.FromValuesToRef(c, 0, 0, 0, 0, u, 0, 0, 0, 0, h, 0, p, f, d, 1, s),
                l && s.multiplyToRef(O, s),
                s.markAsUpdated()
            }
            ,
            e.OrthoOffCenterRH = function(t, i, n, r, o, a, s) {
                var l = new e;
                return e.OrthoOffCenterRHToRef(t, i, n, r, o, a, l, s),
                l
            }
            ,
            e.OrthoOffCenterRHToRef = function(t, i, n, r, o, a, s, l) {
                e.OrthoOffCenterLHToRef(t, i, n, r, o, a, s, l),
                s._m[10] *= -1
            }
            ,
            e.PerspectiveLH = function(t, i, n, r, o, a) {
                void 0 === a && (a = 0);
                var s = new e
                  , l = 2 * n / t
                  , c = 2 * n / i
                  , u = (r + n) / (r - n)
                  , h = -2 * r * n / (r - n)
                  , d = Math.tan(a);
                return e.FromValuesToRef(l, 0, 0, 0, 0, c, 0, d, 0, 0, u, 1, 0, 0, h, 0, s),
                o && s.multiplyToRef(O, s),
                s._updateIdentityStatus(!1),
                s
            }
            ,
            e.PerspectiveFovLH = function(t, i, n, r, o, a, s) {
                void 0 === a && (a = 0),
                void 0 === s && (s = !1);
                var l = new e;
                return e.PerspectiveFovLHToRef(t, i, n, r, l, !0, o, a, s),
                l
            }
            ,
            e.PerspectiveFovLHToRef = function(t, i, n, r, o, a, s, l, c) {
                void 0 === a && (a = !0),
                void 0 === l && (l = 0),
                void 0 === c && (c = !1);
                var u = n
                  , h = r
                  , d = 1 / Math.tan(.5 * t)
                  , p = a ? d / i : d
                  , f = a ? d : d * i
                  , _ = c && 0 === u ? -1 : 0 !== h ? (h + u) / (h - u) : 1
                  , m = c && 0 === u ? 2 * h : 0 !== h ? -2 * h * u / (h - u) : -2 * u
                  , g = Math.tan(l);
                e.FromValuesToRef(p, 0, 0, 0, 0, f, 0, g, 0, 0, _, 1, 0, 0, m, 0, o),
                s && o.multiplyToRef(O, o),
                o._updateIdentityStatus(!1)
            }
            ,
            e.PerspectiveFovReverseLHToRef = function(t, i, n, r, o, a, s, l) {
                void 0 === a && (a = !0),
                void 0 === l && (l = 0);
                var c = 1 / Math.tan(.5 * t)
                  , u = a ? c / i : c
                  , h = a ? c : c * i
                  , d = Math.tan(l);
                e.FromValuesToRef(u, 0, 0, 0, 0, h, 0, d, 0, 0, -n, 1, 0, 0, 1, 0, o),
                s && o.multiplyToRef(O, o),
                o._updateIdentityStatus(!1)
            }
            ,
            e.PerspectiveFovRH = function(t, i, n, r, o, a, s) {
                void 0 === a && (a = 0),
                void 0 === s && (s = !1);
                var l = new e;
                return e.PerspectiveFovRHToRef(t, i, n, r, l, !0, o, a, s),
                l
            }
            ,
            e.PerspectiveFovRHToRef = function(t, i, n, r, o, a, s, l, c) {
                void 0 === a && (a = !0),
                void 0 === l && (l = 0),
                void 0 === c && (c = !1);
                var u = n
                  , h = r
                  , d = 1 / Math.tan(.5 * t)
                  , p = a ? d / i : d
                  , f = a ? d : d * i
                  , _ = c && 0 === u ? 1 : 0 !== h ? -(h + u) / (h - u) : -1
                  , m = c && 0 === u ? 2 * h : 0 !== h ? -2 * h * u / (h - u) : -2 * u
                  , g = Math.tan(l);
                e.FromValuesToRef(p, 0, 0, 0, 0, f, 0, g, 0, 0, _, -1, 0, 0, m, 0, o),
                s && o.multiplyToRef(O, o),
                o._updateIdentityStatus(!1)
            }
            ,
            e.PerspectiveFovReverseRHToRef = function(t, i, n, r, o, a, s, l) {
                void 0 === a && (a = !0),
                void 0 === l && (l = 0);
                var c = 1 / Math.tan(.5 * t)
                  , u = a ? c / i : c
                  , h = a ? c : c * i
                  , d = Math.tan(l);
                e.FromValuesToRef(u, 0, 0, 0, 0, h, 0, d, 0, 0, -n, -1, 0, 0, -1, 0, o),
                s && o.multiplyToRef(O, o),
                o._updateIdentityStatus(!1)
            }
            ,
            e.PerspectiveFovWebVRToRef = function(e, t, i, n, r, o, a) {
                void 0 === r && (r = !1),
                void 0 === a && (a = 0);
                var s = r ? -1 : 1
                  , l = Math.tan(e.upDegrees * Math.PI / 180)
                  , c = Math.tan(e.downDegrees * Math.PI / 180)
                  , u = Math.tan(e.leftDegrees * Math.PI / 180)
                  , h = Math.tan(e.rightDegrees * Math.PI / 180)
                  , d = 2 / (u + h)
                  , p = 2 / (l + c)
                  , f = Math.tan(a)
                  , _ = n._m;
                _[0] = d,
                _[1] = _[2] = _[3] = _[4] = 0,
                _[5] = p,
                _[6] = 0,
                _[7] = f,
                _[8] = (u - h) * d * .5,
                _[9] = -(l - c) * p * .5,
                _[10] = -i / (t - i),
                _[11] = 1 * s,
                _[12] = _[13] = _[15] = 0,
                _[14] = -2 * i * t / (i - t),
                o && n.multiplyToRef(O, n),
                n.markAsUpdated()
            }
            ,
            e.GetFinalMatrix = function(t, i, n, r, o, a) {
                var s = t.width
                  , l = t.height
                  , c = t.x
                  , u = t.y
                  , h = e.FromValues(s / 2, 0, 0, 0, 0, -l / 2, 0, 0, 0, 0, a - o, 0, c + s / 2, l / 2 + u, o, 1)
                  , d = M.Matrix[0];
                return i.multiplyToRef(n, d),
                d.multiplyToRef(r, d),
                d.multiply(h)
            }
            ,
            e.GetAsMatrix2x2 = function(e) {
                var t = e.m
                  , i = [t[0], t[1], t[4], t[5]];
                return T.MatrixUse64Bits ? i : new Float32Array(i)
            }
            ,
            e.GetAsMatrix3x3 = function(e) {
                var t = e.m
                  , i = [t[0], t[1], t[2], t[4], t[5], t[6], t[8], t[9], t[10]];
                return T.MatrixUse64Bits ? i : new Float32Array(i)
            }
            ,
            e.Transpose = function(t) {
                var i = new e;
                return e.TransposeToRef(t, i),
                i
            }
            ,
            e.TransposeToRef = function(e, t) {
                var i = t._m
                  , n = e.m;
                i[0] = n[0],
                i[1] = n[4],
                i[2] = n[8],
                i[3] = n[12],
                i[4] = n[1],
                i[5] = n[5],
                i[6] = n[9],
                i[7] = n[13],
                i[8] = n[2],
                i[9] = n[6],
                i[10] = n[10],
                i[11] = n[14],
                i[12] = n[3],
                i[13] = n[7],
                i[14] = n[11],
                i[15] = n[15],
                t.markAsUpdated(),
                t._updateIdentityStatus(e._isIdentity, e._isIdentityDirty)
            }
            ,
            e.Reflection = function(t) {
                var i = new e;
                return e.ReflectionToRef(t, i),
                i
            }
            ,
            e.ReflectionToRef = function(t, i) {
                t.normalize();
                var n = t.normal.x
                  , r = t.normal.y
                  , o = t.normal.z
                  , a = -2 * n
                  , s = -2 * r
                  , l = -2 * o;
                e.FromValuesToRef(a * n + 1, s * n, l * n, 0, a * r, s * r + 1, l * r, 0, a * o, s * o, l * o + 1, 0, a * t.d, s * t.d, l * t.d, 1, i)
            }
            ,
            e.FromXYZAxesToRef = function(t, i, n, r) {
                e.FromValuesToRef(t._x, t._y, t._z, 0, i._x, i._y, i._z, 0, n._x, n._y, n._z, 0, 0, 0, 0, 1, r)
            }
            ,
            e.FromQuaternionToRef = function(e, t) {
                var i = e._x * e._x
                  , n = e._y * e._y
                  , r = e._z * e._z
                  , o = e._x * e._y
                  , a = e._z * e._w
                  , s = e._z * e._x
                  , l = e._y * e._w
                  , c = e._y * e._z
                  , u = e._x * e._w;
                t._m[0] = 1 - 2 * (n + r),
                t._m[1] = 2 * (o + a),
                t._m[2] = 2 * (s - l),
                t._m[3] = 0,
                t._m[4] = 2 * (o - a),
                t._m[5] = 1 - 2 * (r + i),
                t._m[6] = 2 * (c + u),
                t._m[7] = 0,
                t._m[8] = 2 * (s + l),
                t._m[9] = 2 * (c - u),
                t._m[10] = 1 - 2 * (n + i),
                t._m[11] = 0,
                t._m[12] = 0,
                t._m[13] = 0,
                t._m[14] = 0,
                t._m[15] = 1,
                t.markAsUpdated()
            }
            ,
            e._UpdateFlagSeed = 0,
            e._IdentityReadOnly = e.Identity(),
            e
        }()
          , M = function() {
            function e() {}
            return e.Vector3 = g.BuildTuple(11, x.Zero),
            e.Matrix = g.BuildTuple(2, P.Identity),
            e.Quaternion = g.BuildTuple(3, C.Zero),
            e
        }()
          , I = function() {
            function e() {}
            return e.Vector2 = g.BuildTuple(3, A.Zero),
            e.Vector3 = g.BuildTuple(13, x.Zero),
            e.Vector4 = g.BuildTuple(3, R.Zero),
            e.Quaternion = g.BuildTuple(2, C.Zero),
            e.Matrix = g.BuildTuple(8, P.Identity),
            e
        }();
        y("BABYLON.Vector2", A),
        y("BABYLON.Vector3", x),
        y("BABYLON.Vector4", R),
        y("BABYLON.Matrix", P);
        var O = P.FromValues(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, .5, 0, 0, 0, .5, 1)
          , D = function() {
            function e(e, t, i) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                this.r = e,
                this.g = t,
                this.b = i
            }
            return e.prototype.toString = function() {
                return "{R: " + this.r + " G:" + this.g + " B:" + this.b + "}"
            }
            ,
            e.prototype.getClassName = function() {
                return "Color3"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = 255 * this.r | 0;
                return 397 * (e = 397 * e ^ (255 * this.g | 0)) ^ (255 * this.b | 0)
            }
            ,
            e.prototype.toArray = function(e, t) {
                return void 0 === t && (t = 0),
                e[t] = this.r,
                e[t + 1] = this.g,
                e[t + 2] = this.b,
                this
            }
            ,
            e.prototype.fromArray = function(t, i) {
                return void 0 === i && (i = 0),
                e.FromArrayToRef(t, i, this),
                this
            }
            ,
            e.prototype.toColor4 = function(e) {
                return void 0 === e && (e = 1),
                new N(this.r,this.g,this.b,e)
            }
            ,
            e.prototype.asArray = function() {
                var e = new Array;
                return this.toArray(e, 0),
                e
            }
            ,
            e.prototype.toLuminance = function() {
                return .3 * this.r + .59 * this.g + .11 * this.b
            }
            ,
            e.prototype.multiply = function(t) {
                return new e(this.r * t.r,this.g * t.g,this.b * t.b)
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return t.r = this.r * e.r,
                t.g = this.g * e.g,
                t.b = this.b * e.b,
                this
            }
            ,
            e.prototype.equals = function(e) {
                return e && this.r === e.r && this.g === e.g && this.b === e.b
            }
            ,
            e.prototype.equalsFloats = function(e, t, i) {
                return this.r === e && this.g === t && this.b === i
            }
            ,
            e.prototype.scale = function(t) {
                return new e(this.r * t,this.g * t,this.b * t)
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.r = this.r * e,
                t.g = this.g * e,
                t.b = this.b * e,
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.r += this.r * e,
                t.g += this.g * e,
                t.b += this.b * e,
                this
            }
            ,
            e.prototype.clampToRef = function(e, t, i) {
                return void 0 === e && (e = 0),
                void 0 === t && (t = 1),
                i.r = d.Clamp(this.r, e, t),
                i.g = d.Clamp(this.g, e, t),
                i.b = d.Clamp(this.b, e, t),
                this
            }
            ,
            e.prototype.add = function(t) {
                return new e(this.r + t.r,this.g + t.g,this.b + t.b)
            }
            ,
            e.prototype.addToRef = function(e, t) {
                return t.r = this.r + e.r,
                t.g = this.g + e.g,
                t.b = this.b + e.b,
                this
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this.r - t.r,this.g - t.g,this.b - t.b)
            }
            ,
            e.prototype.subtractToRef = function(e, t) {
                return t.r = this.r - e.r,
                t.g = this.g - e.g,
                t.b = this.b - e.b,
                this
            }
            ,
            e.prototype.clone = function() {
                return new e(this.r,this.g,this.b)
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.r = e.r,
                this.g = e.g,
                this.b = e.b,
                this
            }
            ,
            e.prototype.copyFromFloats = function(e, t, i) {
                return this.r = e,
                this.g = t,
                this.b = i,
                this
            }
            ,
            e.prototype.set = function(e, t, i) {
                return this.copyFromFloats(e, t, i)
            }
            ,
            e.prototype.toHexString = function() {
                var e = Math.round(255 * this.r)
                  , t = Math.round(255 * this.g)
                  , i = Math.round(255 * this.b);
                return "#" + d.ToHex(e) + d.ToHex(t) + d.ToHex(i)
            }
            ,
            e.prototype.toLinearSpace = function() {
                var t = new e;
                return this.toLinearSpaceToRef(t),
                t
            }
            ,
            e.prototype.toHSV = function() {
                var t = new e;
                return this.toHSVToRef(t),
                t
            }
            ,
            e.prototype.toHSVToRef = function(e) {
                var t = this.r
                  , i = this.g
                  , n = this.b
                  , r = Math.max(t, i, n)
                  , o = Math.min(t, i, n)
                  , a = 0
                  , s = 0
                  , l = r
                  , c = r - o;
                0 !== r && (s = c / r),
                r != o && (r == t ? (a = (i - n) / c,
                i < n && (a += 6)) : r == i ? a = (n - t) / c + 2 : r == n && (a = (t - i) / c + 4),
                a *= 60),
                e.r = a,
                e.g = s,
                e.b = l
            }
            ,
            e.prototype.toLinearSpaceToRef = function(e) {
                return e.r = Math.pow(this.r, f),
                e.g = Math.pow(this.g, f),
                e.b = Math.pow(this.b, f),
                this
            }
            ,
            e.prototype.toGammaSpace = function() {
                var t = new e;
                return this.toGammaSpaceToRef(t),
                t
            }
            ,
            e.prototype.toGammaSpaceToRef = function(e) {
                return e.r = Math.pow(this.r, p),
                e.g = Math.pow(this.g, p),
                e.b = Math.pow(this.b, p),
                this
            }
            ,
            e.HSVtoRGBToRef = function(e, t, i, n) {
                var r = i * t
                  , o = e / 60
                  , a = r * (1 - Math.abs(o % 2 - 1))
                  , s = 0
                  , l = 0
                  , c = 0;
                o >= 0 && o <= 1 ? (s = r,
                l = a) : o >= 1 && o <= 2 ? (s = a,
                l = r) : o >= 2 && o <= 3 ? (l = r,
                c = a) : o >= 3 && o <= 4 ? (l = a,
                c = r) : o >= 4 && o <= 5 ? (s = a,
                c = r) : o >= 5 && o <= 6 && (s = r,
                c = a);
                var u = i - r;
                n.set(s + u, l + u, c + u)
            }
            ,
            e.FromHexString = function(t) {
                if ("#" !== t.substring(0, 1) || 7 !== t.length)
                    return new e(0,0,0);
                var i = parseInt(t.substring(1, 3), 16)
                  , n = parseInt(t.substring(3, 5), 16)
                  , r = parseInt(t.substring(5, 7), 16);
                return e.FromInts(i, n, r)
            }
            ,
            e.FromArray = function(t, i) {
                return void 0 === i && (i = 0),
                new e(t[i],t[i + 1],t[i + 2])
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                void 0 === t && (t = 0),
                i.r = e[t],
                i.g = e[t + 1],
                i.b = e[t + 2]
            }
            ,
            e.FromInts = function(t, i, n) {
                return new e(t / 255,i / 255,n / 255)
            }
            ,
            e.Lerp = function(t, i, n) {
                var r = new e(0,0,0);
                return e.LerpToRef(t, i, n, r),
                r
            }
            ,
            e.LerpToRef = function(e, t, i, n) {
                n.r = e.r + (t.r - e.r) * i,
                n.g = e.g + (t.g - e.g) * i,
                n.b = e.b + (t.b - e.b) * i
            }
            ,
            e.Hermite = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a
                  , l = 2 * s - 3 * a + 1
                  , c = -2 * s + 3 * a
                  , u = s - 2 * a + o
                  , h = s - a;
                return new e(t.r * l + n.r * c + i.r * u + r.r * h,t.g * l + n.g * c + i.g * u + r.g * h,t.b * l + n.b * c + i.b * u + r.b * h)
            }
            ,
            e.Hermite1stDerivative = function(t, i, n, r, o) {
                var a = e.Black();
                return this.Hermite1stDerivativeToRef(t, i, n, r, o, a),
                a
            }
            ,
            e.Hermite1stDerivativeToRef = function(e, t, i, n, r, o) {
                var a = r * r;
                o.r = 6 * (a - r) * e.r + (3 * a - 4 * r + 1) * t.r + 6 * (-a + r) * i.r + (3 * a - 2 * r) * n.r,
                o.g = 6 * (a - r) * e.g + (3 * a - 4 * r + 1) * t.g + 6 * (-a + r) * i.g + (3 * a - 2 * r) * n.g,
                o.b = 6 * (a - r) * e.b + (3 * a - 4 * r + 1) * t.b + 6 * (-a + r) * i.b + (3 * a - 2 * r) * n.b
            }
            ,
            e.Red = function() {
                return new e(1,0,0)
            }
            ,
            e.Green = function() {
                return new e(0,1,0)
            }
            ,
            e.Blue = function() {
                return new e(0,0,1)
            }
            ,
            e.Black = function() {
                return new e(0,0,0)
            }
            ,
            Object.defineProperty(e, "BlackReadOnly", {
                get: function() {
                    return e._BlackReadOnly
                },
                enumerable: !1,
                configurable: !0
            }),
            e.White = function() {
                return new e(1,1,1)
            }
            ,
            e.Purple = function() {
                return new e(.5,0,.5)
            }
            ,
            e.Magenta = function() {
                return new e(1,0,1)
            }
            ,
            e.Yellow = function() {
                return new e(1,1,0)
            }
            ,
            e.Gray = function() {
                return new e(.5,.5,.5)
            }
            ,
            e.Teal = function() {
                return new e(0,1,1)
            }
            ,
            e.Random = function() {
                return new e(Math.random(),Math.random(),Math.random())
            }
            ,
            e._BlackReadOnly = e.Black(),
            e
        }()
          , N = function() {
            function e(e, t, i, n) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 1),
                this.r = e,
                this.g = t,
                this.b = i,
                this.a = n
            }
            return e.prototype.addInPlace = function(e) {
                return this.r += e.r,
                this.g += e.g,
                this.b += e.b,
                this.a += e.a,
                this
            }
            ,
            e.prototype.asArray = function() {
                var e = new Array;
                return this.toArray(e, 0),
                e
            }
            ,
            e.prototype.toArray = function(e, t) {
                return void 0 === t && (t = 0),
                e[t] = this.r,
                e[t + 1] = this.g,
                e[t + 2] = this.b,
                e[t + 3] = this.a,
                this
            }
            ,
            e.prototype.fromArray = function(t, i) {
                return void 0 === i && (i = 0),
                e.FromArrayToRef(t, i, this),
                this
            }
            ,
            e.prototype.equals = function(e) {
                return e && this.r === e.r && this.g === e.g && this.b === e.b && this.a === e.a
            }
            ,
            e.prototype.add = function(t) {
                return new e(this.r + t.r,this.g + t.g,this.b + t.b,this.a + t.a)
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this.r - t.r,this.g - t.g,this.b - t.b,this.a - t.a)
            }
            ,
            e.prototype.subtractToRef = function(e, t) {
                return t.r = this.r - e.r,
                t.g = this.g - e.g,
                t.b = this.b - e.b,
                t.a = this.a - e.a,
                this
            }
            ,
            e.prototype.scale = function(t) {
                return new e(this.r * t,this.g * t,this.b * t,this.a * t)
            }
            ,
            e.prototype.scaleToRef = function(e, t) {
                return t.r = this.r * e,
                t.g = this.g * e,
                t.b = this.b * e,
                t.a = this.a * e,
                this
            }
            ,
            e.prototype.scaleAndAddToRef = function(e, t) {
                return t.r += this.r * e,
                t.g += this.g * e,
                t.b += this.b * e,
                t.a += this.a * e,
                this
            }
            ,
            e.prototype.clampToRef = function(e, t, i) {
                return void 0 === e && (e = 0),
                void 0 === t && (t = 1),
                i.r = d.Clamp(this.r, e, t),
                i.g = d.Clamp(this.g, e, t),
                i.b = d.Clamp(this.b, e, t),
                i.a = d.Clamp(this.a, e, t),
                this
            }
            ,
            e.prototype.multiply = function(t) {
                return new e(this.r * t.r,this.g * t.g,this.b * t.b,this.a * t.a)
            }
            ,
            e.prototype.multiplyToRef = function(e, t) {
                return t.r = this.r * e.r,
                t.g = this.g * e.g,
                t.b = this.b * e.b,
                t.a = this.a * e.a,
                t
            }
            ,
            e.prototype.toString = function() {
                return "{R: " + this.r + " G:" + this.g + " B:" + this.b + " A:" + this.a + "}"
            }
            ,
            e.prototype.getClassName = function() {
                return "Color4"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = 255 * this.r | 0;
                return 397 * (e = 397 * (e = 397 * e ^ (255 * this.g | 0)) ^ (255 * this.b | 0)) ^ (255 * this.a | 0)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.r,this.g,this.b,this.a)
            }
            ,
            e.prototype.copyFrom = function(e) {
                return this.r = e.r,
                this.g = e.g,
                this.b = e.b,
                this.a = e.a,
                this
            }
            ,
            e.prototype.copyFromFloats = function(e, t, i, n) {
                return this.r = e,
                this.g = t,
                this.b = i,
                this.a = n,
                this
            }
            ,
            e.prototype.set = function(e, t, i, n) {
                return this.copyFromFloats(e, t, i, n)
            }
            ,
            e.prototype.toHexString = function(e) {
                void 0 === e && (e = !1);
                var t = Math.round(255 * this.r)
                  , i = Math.round(255 * this.g)
                  , n = Math.round(255 * this.b);
                if (e)
                    return "#" + d.ToHex(t) + d.ToHex(i) + d.ToHex(n);
                var r = Math.round(255 * this.a);
                return "#" + d.ToHex(t) + d.ToHex(i) + d.ToHex(n) + d.ToHex(r)
            }
            ,
            e.prototype.toLinearSpace = function() {
                var t = new e;
                return this.toLinearSpaceToRef(t),
                t
            }
            ,
            e.prototype.toLinearSpaceToRef = function(e) {
                return e.r = Math.pow(this.r, f),
                e.g = Math.pow(this.g, f),
                e.b = Math.pow(this.b, f),
                e.a = this.a,
                this
            }
            ,
            e.prototype.toGammaSpace = function() {
                var t = new e;
                return this.toGammaSpaceToRef(t),
                t
            }
            ,
            e.prototype.toGammaSpaceToRef = function(e) {
                return e.r = Math.pow(this.r, p),
                e.g = Math.pow(this.g, p),
                e.b = Math.pow(this.b, p),
                e.a = this.a,
                this
            }
            ,
            e.FromHexString = function(t) {
                if ("#" !== t.substring(0, 1) || 9 !== t.length && 7 !== t.length)
                    return new e(0,0,0,0);
                var i = parseInt(t.substring(1, 3), 16)
                  , n = parseInt(t.substring(3, 5), 16)
                  , r = parseInt(t.substring(5, 7), 16)
                  , o = 9 === t.length ? parseInt(t.substring(7, 9), 16) : 255;
                return e.FromInts(i, n, r, o)
            }
            ,
            e.Lerp = function(t, i, n) {
                var r = new e(0,0,0,0);
                return e.LerpToRef(t, i, n, r),
                r
            }
            ,
            e.LerpToRef = function(e, t, i, n) {
                n.r = e.r + (t.r - e.r) * i,
                n.g = e.g + (t.g - e.g) * i,
                n.b = e.b + (t.b - e.b) * i,
                n.a = e.a + (t.a - e.a) * i
            }
            ,
            e.Hermite = function(t, i, n, r, o) {
                var a = o * o
                  , s = o * a
                  , l = 2 * s - 3 * a + 1
                  , c = -2 * s + 3 * a
                  , u = s - 2 * a + o
                  , h = s - a;
                return new e(t.r * l + n.r * c + i.r * u + r.r * h,t.g * l + n.g * c + i.g * u + r.g * h,t.b * l + n.b * c + i.b * u + r.b * h,t.a * l + n.a * c + i.a * u + r.a * h)
            }
            ,
            e.Hermite1stDerivative = function(t, i, n, r, o) {
                var a = new e;
                return this.Hermite1stDerivativeToRef(t, i, n, r, o, a),
                a
            }
            ,
            e.Hermite1stDerivativeToRef = function(e, t, i, n, r, o) {
                var a = r * r;
                o.r = 6 * (a - r) * e.r + (3 * a - 4 * r + 1) * t.r + 6 * (-a + r) * i.r + (3 * a - 2 * r) * n.r,
                o.g = 6 * (a - r) * e.g + (3 * a - 4 * r + 1) * t.g + 6 * (-a + r) * i.g + (3 * a - 2 * r) * n.g,
                o.b = 6 * (a - r) * e.b + (3 * a - 4 * r + 1) * t.b + 6 * (-a + r) * i.b + (3 * a - 2 * r) * n.b,
                o.a = 6 * (a - r) * e.a + (3 * a - 4 * r + 1) * t.a + 6 * (-a + r) * i.a + (3 * a - 2 * r) * n.a
            }
            ,
            e.FromColor3 = function(t, i) {
                return void 0 === i && (i = 1),
                new e(t.r,t.g,t.b,i)
            }
            ,
            e.FromArray = function(t, i) {
                return void 0 === i && (i = 0),
                new e(t[i],t[i + 1],t[i + 2],t[i + 3])
            }
            ,
            e.FromArrayToRef = function(e, t, i) {
                void 0 === t && (t = 0),
                i.r = e[t],
                i.g = e[t + 1],
                i.b = e[t + 2],
                i.a = e[t + 3]
            }
            ,
            e.FromInts = function(t, i, n, r) {
                return new e(t / 255,i / 255,n / 255,r / 255)
            }
            ,
            e.CheckColors4 = function(e, t) {
                if (e.length === 3 * t) {
                    for (var i = [], n = 0; n < e.length; n += 3) {
                        var r = n / 3 * 4;
                        i[r] = e[n],
                        i[r + 1] = e[n + 1],
                        i[r + 2] = e[n + 2],
                        i[r + 3] = 1
                    }
                    return i
                }
                return e
            }
            ,
            e
        }()
          , L = function() {
            function e() {}
            return e.Color3 = g.BuildArray(3, D.Black),
            e.Color4 = g.BuildArray(3, (function() {
                return new N(0,0,0,0)
            }
            )),
            e
        }();
        y("BABYLON.Color3", D),
        y("BABYLON.Color4", N);
        var F = function() {
            function e(e, t) {
                this.triggerOptions = e,
                this.onBeforeExecuteObservable = new h,
                e.parameter ? (this.trigger = e.trigger,
                this._triggerParameter = e.parameter) : e.trigger ? this.trigger = e.trigger : this.trigger = e,
                this._nextActiveAction = this,
                this._condition = t
            }
            return e.prototype._prepare = function() {}
            ,
            e.prototype.getTriggerParameter = function() {
                return this._triggerParameter
            }
            ,
            e.prototype.setTriggerParameter = function(e) {
                this._triggerParameter = e
            }
            ,
            e.prototype._evaluateConditionForCurrentFrame = function() {
                var e = this._condition;
                if (!e)
                    return !0;
                var t = this._actionManager.getScene().getRenderId();
                return e._evaluationId !== t && (e._evaluationId = t,
                e._currentResult = e.isValid()),
                e._currentResult
            }
            ,
            e.prototype._executeCurrent = function(e) {
                this._evaluateConditionForCurrentFrame() && (this.onBeforeExecuteObservable.notifyObservers(this),
                this._nextActiveAction.execute(e),
                this.skipToNextActiveAction())
            }
            ,
            e.prototype.execute = function(e) {}
            ,
            e.prototype.skipToNextActiveAction = function() {
                this._nextActiveAction._child ? (this._nextActiveAction._child._actionManager || (this._nextActiveAction._child._actionManager = this._actionManager),
                this._nextActiveAction = this._nextActiveAction._child) : this._nextActiveAction = this
            }
            ,
            e.prototype.then = function(e) {
                return this._child = e,
                e._actionManager = this._actionManager,
                e._prepare(),
                e
            }
            ,
            e.prototype._getProperty = function(e) {
                return this._actionManager._getProperty(e)
            }
            ,
            e.prototype._getEffectiveTarget = function(e, t) {
                return this._actionManager._getEffectiveTarget(e, t)
            }
            ,
            e.prototype.serialize = function(e) {}
            ,
            e.prototype._serialize = function(e, t) {
                var i = {
                    type: 1,
                    children: [],
                    name: e.name,
                    properties: e.properties || []
                };
                if (this._child && this._child.serialize(i),
                this._condition) {
                    var n = this._condition.serialize();
                    return n.children.push(i),
                    t && t.children.push(n),
                    n
                }
                return t && t.children.push(i),
                i
            }
            ,
            e._SerializeValueAsString = function(e) {
                return "number" == typeof e ? e.toString() : "boolean" == typeof e ? e ? "true" : "false" : e instanceof A ? e.x + ", " + e.y : e instanceof x ? e.x + ", " + e.y + ", " + e.z : e instanceof D ? e.r + ", " + e.g + ", " + e.b : e instanceof N ? e.r + ", " + e.g + ", " + e.b + ", " + e.a : e
            }
            ,
            e._GetTargetProperty = function(e) {
                return {
                    name: "target",
                    targetType: e._isMesh ? "MeshProperties" : e._isLight ? "LightProperties" : e._isCamera ? "CameraProperties" : "SceneProperties",
                    value: e._isScene ? "Scene" : e.name
                }
            }
            ,
            e
        }();
        y("BABYLON.Action", F);
        var w = function() {
            function e(e, t, i, n, r, o) {
                this.source = e,
                this.pointerX = t,
                this.pointerY = i,
                this.meshUnderPointer = n,
                this.sourceEvent = r,
                this.additionalData = o
            }
            return e.CreateNew = function(t, i, n) {
                var r = t.getScene();
                return new e(t,r.pointerX,r.pointerY,r.meshUnderPointer || t,i,n)
            }
            ,
            e.CreateNewFromSprite = function(t, i, n, r) {
                return new e(t,i.pointerX,i.pointerY,i.meshUnderPointer,n,r)
            }
            ,
            e.CreateNewFromScene = function(t, i) {
                return new e(null,t.pointerX,t.pointerY,t.meshUnderPointer,i)
            }
            ,
            e.CreateNewFromPrimitive = function(t, i, n, r) {
                return new e(t,i.x,i.y,null,n,r)
            }
            ,
            e
        }()
          , B = function(e, t) {
            return B = Object.setPrototypeOf || {
                __proto__: []
            }instanceof Array && function(e, t) {
                e.__proto__ = t
            }
            || function(e, t) {
                for (var i in t)
                    Object.prototype.hasOwnProperty.call(t, i) && (e[i] = t[i])
            }
            ,
            B(e, t)
        };
        function U(e, t) {
            if ("function" != typeof t && null !== t)
                throw new TypeError("Class extends value " + String(t) + " is not a constructor or null");
            function i() {
                this.constructor = e
            }
            B(e, t),
            e.prototype = null === t ? Object.create(t) : (i.prototype = t.prototype,
            new i)
        }
        var V = function() {
            return V = Object.assign || function(e) {
                for (var t, i = 1, n = arguments.length; i < n; i++)
                    for (var r in t = arguments[i])
                        Object.prototype.hasOwnProperty.call(t, r) && (e[r] = t[r]);
                return e
            }
            ,
            V.apply(this, arguments)
        };
        function k(e, t, i, n) {
            var r, o = arguments.length, a = o < 3 ? t : null === n ? n = Object.getOwnPropertyDescriptor(t, i) : n;
            if ("object" == typeof Reflect && "function" == typeof Reflect.decorate)
                a = Reflect.decorate(e, t, i, n);
            else
                for (var s = e.length - 1; s >= 0; s--)
                    (r = e[s]) && (a = (o < 3 ? r(a) : o > 3 ? r(t, i, a) : r(t, i)) || a);
            return o > 3 && a && Object.defineProperty(t, i, a),
            a
        }
        function G(e, t, i, n) {
            return new (i || (i = Promise))((function(r, o) {
                function a(e) {
                    try {
                        l(n.next(e))
                    } catch (e) {
                        o(e)
                    }
                }
                function s(e) {
                    try {
                        l(n.throw(e))
                    } catch (e) {
                        o(e)
                    }
                }
                function l(e) {
                    var t;
                    e.done ? r(e.value) : (t = e.value,
                    t instanceof i ? t : new i((function(e) {
                        e(t)
                    }
                    ))).then(a, s)
                }
                l((n = n.apply(e, t || [])).next())
            }
            ))
        }
        function z(e, t) {
            var i, n, r, o, a = {
                label: 0,
                sent: function() {
                    if (1 & r[0])
                        throw r[1];
                    return r[1]
                },
                trys: [],
                ops: []
            };
            return o = {
                next: s(0),
                throw: s(1),
                return: s(2)
            },
            "function" == typeof Symbol && (o[Symbol.iterator] = function() {
                return this
            }
            ),
            o;
            function s(o) {
                return function(s) {
                    return function(o) {
                        if (i)
                            throw new TypeError("Generator is already executing.");
                        for (; a; )
                            try {
                                if (i = 1,
                                n && (r = 2 & o[0] ? n.return : o[0] ? n.throw || ((r = n.return) && r.call(n),
                                0) : n.next) && !(r = r.call(n, o[1])).done)
                                    return r;
                                switch (n = 0,
                                r && (o = [2 & o[0], r.value]),
                                o[0]) {
                                case 0:
                                case 1:
                                    r = o;
                                    break;
                                case 4:
                                    return a.label++,
                                    {
                                        value: o[1],
                                        done: !1
                                    };
                                case 5:
                                    a.label++,
                                    n = o[1],
                                    o = [0];
                                    continue;
                                case 7:
                                    o = a.ops.pop(),
                                    a.trys.pop();
                                    continue;
                                default:
                                    if (!((r = (r = a.trys).length > 0 && r[r.length - 1]) || 6 !== o[0] && 2 !== o[0])) {
                                        a = 0;
                                        continue
                                    }
                                    if (3 === o[0] && (!r || o[1] > r[0] && o[1] < r[3])) {
                                        a.label = o[1];
                                        break
                                    }
                                    if (6 === o[0] && a.label < r[1]) {
                                        a.label = r[1],
                                        r = o;
                                        break
                                    }
                                    if (r && a.label < r[2]) {
                                        a.label = r[2],
                                        a.ops.push(o);
                                        break
                                    }
                                    r[2] && a.ops.pop(),
                                    a.trys.pop();
                                    continue
                                }
                                o = t.call(e, a)
                            } catch (e) {
                                o = [6, e],
                                n = 0
                            } finally {
                                i = r = 0
                            }
                        if (5 & o[0])
                            throw o[1];
                        return {
                            value: o[0] ? o[1] : void 0,
                            done: !0
                        }
                    }([o, s])
                }
            }
        }
        function W(e, t, i) {
            if (i || 2 === arguments.length)
                for (var n, r = 0, o = t.length; r < o; r++)
                    !n && r in t || (n || (n = Array.prototype.slice.call(t, 0, r)),
                    n[r] = t[r]);
            return e.concat(n || Array.prototype.slice.call(t))
        }
        Object.create,
        Object.create;
        var H = function() {
            function e(e) {
                this._actionManager = e
            }
            return e.prototype.isValid = function() {
                return !0
            }
            ,
            e.prototype._getProperty = function(e) {
                return this._actionManager._getProperty(e)
            }
            ,
            e.prototype._getEffectiveTarget = function(e, t) {
                return this._actionManager._getEffectiveTarget(e, t)
            }
            ,
            e.prototype.serialize = function() {}
            ,
            e.prototype._serialize = function(e) {
                return {
                    type: 2,
                    children: [],
                    name: e.name,
                    properties: e.properties
                }
            }
            ,
            e
        }()
          , X = function(e) {
            function t(i, n, r, o, a) {
                void 0 === a && (a = t.IsEqual);
                var s = e.call(this, i) || this;
                return s.propertyPath = r,
                s.value = o,
                s.operator = a,
                s._target = n,
                s._effectiveTarget = s._getEffectiveTarget(n, s.propertyPath),
                s._property = s._getProperty(s.propertyPath),
                s
            }
            return U(t, e),
            Object.defineProperty(t, "IsEqual", {
                get: function() {
                    return t._IsEqual
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsDifferent", {
                get: function() {
                    return t._IsDifferent
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsGreater", {
                get: function() {
                    return t._IsGreater
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsLesser", {
                get: function() {
                    return t._IsLesser
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.isValid = function() {
                switch (this.operator) {
                case t.IsGreater:
                    return this._effectiveTarget[this._property] > this.value;
                case t.IsLesser:
                    return this._effectiveTarget[this._property] < this.value;
                case t.IsEqual:
                case t.IsDifferent:
                    var e;
                    return e = this.value.equals ? this.value.equals(this._effectiveTarget[this._property]) : this.value === this._effectiveTarget[this._property],
                    this.operator === t.IsEqual ? e : !e
                }
                return !1
            }
            ,
            t.prototype.serialize = function() {
                return this._serialize({
                    name: "ValueCondition",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "propertyPath",
                        value: this.propertyPath
                    }, {
                        name: "value",
                        value: F._SerializeValueAsString(this.value)
                    }, {
                        name: "operator",
                        value: t.GetOperatorName(this.operator)
                    }]
                })
            }
            ,
            t.GetOperatorName = function(e) {
                switch (e) {
                case t._IsEqual:
                    return "IsEqual";
                case t._IsDifferent:
                    return "IsDifferent";
                case t._IsGreater:
                    return "IsGreater";
                case t._IsLesser:
                    return "IsLesser";
                default:
                    return ""
                }
            }
            ,
            t._IsEqual = 0,
            t._IsDifferent = 1,
            t._IsGreater = 2,
            t._IsLesser = 3,
            t
        }(H)
          , j = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.predicate = i,
                n
            }
            return U(t, e),
            t.prototype.isValid = function() {
                return this.predicate()
            }
            ,
            t
        }(H)
          , Y = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t) || this;
                return r.value = n,
                r._target = i,
                r
            }
            return U(t, e),
            t.prototype.isValid = function() {
                return this._target.state === this.value
            }
            ,
            t.prototype.serialize = function() {
                return this._serialize({
                    name: "StateCondition",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "value",
                        value: this.value
                    }]
                })
            }
            ,
            t
        }(H);
        y("BABYLON.ValueCondition", X),
        y("BABYLON.PredicateCondition", j),
        y("BABYLON.StateCondition", Y);
        var K = function() {
            function e() {}
            return e._CheckLimit = function(t, i) {
                var n = e._LogLimitOutputs[t];
                return n ? n.current++ : (n = {
                    limit: i,
                    current: 1
                },
                e._LogLimitOutputs[t] = n),
                n.current <= n.limit
            }
            ,
            e._GenerateLimitMessage = function(t, i) {
                var n = e._LogLimitOutputs[t];
                if (n && e.MessageLimitReached && n.current === n.limit)
                    switch (i) {
                    case 0:
                        e.Log(e.MessageLimitReached.replace(/%LIMIT%/g, "" + n.limit).replace(/%TYPE%/g, "log"));
                        break;
                    case 1:
                        e.Warn(e.MessageLimitReached.replace(/%LIMIT%/g, "" + n.limit).replace(/%TYPE%/g, "warning"));
                        break;
                    case 2:
                        e.Error(e.MessageLimitReached.replace(/%LIMIT%/g, "" + n.limit).replace(/%TYPE%/g, "error"))
                    }
            }
            ,
            e._AddLogEntry = function(t) {
                e._LogCache = t + e._LogCache,
                e.OnNewCacheEntry && e.OnNewCacheEntry(t)
            }
            ,
            e._FormatMessage = function(e) {
                var t = function(e) {
                    return e < 10 ? "0" + e : "" + e
                }
                  , i = new Date;
                return "[" + t(i.getHours()) + ":" + t(i.getMinutes()) + ":" + t(i.getSeconds()) + "]: " + e
            }
            ,
            e._LogDisabled = function(e, t) {}
            ,
            e._LogEnabled = function(t, i) {
                if (void 0 === i || e._CheckLimit(t, i)) {
                    var n = e._FormatMessage(t);
                    console.log("BJS - " + n);
                    var r = "<div style='color:white'>" + n + "</div><br>";
                    e._AddLogEntry(r),
                    e._GenerateLimitMessage(t, 0)
                }
            }
            ,
            e._WarnDisabled = function(e, t) {}
            ,
            e._WarnEnabled = function(t, i) {
                if (void 0 === i || e._CheckLimit(t, i)) {
                    var n = e._FormatMessage(t);
                    console.warn("BJS - " + n);
                    var r = "<div style='color:orange'>" + t + "</div><br>";
                    e._AddLogEntry(r),
                    e._GenerateLimitMessage(t, 1)
                }
            }
            ,
            e._ErrorDisabled = function(e, t) {}
            ,
            e._ErrorEnabled = function(t, i) {
                if (void 0 === i || e._CheckLimit(t, i)) {
                    var n = e._FormatMessage(t);
                    e.errorsCount++,
                    console.error("BJS - " + n);
                    var r = "<div style='color:red'>" + n + "</div><br>";
                    e._AddLogEntry(r),
                    e._GenerateLimitMessage(t, 2)
                }
            }
            ,
            Object.defineProperty(e, "LogCache", {
                get: function() {
                    return e._LogCache
                },
                enumerable: !1,
                configurable: !0
            }),
            e.ClearLogCache = function() {
                e._LogCache = "",
                e._LogLimitOutputs = {},
                e.errorsCount = 0
            }
            ,
            Object.defineProperty(e, "LogLevels", {
                set: function(t) {
                    (t & e.MessageLogLevel) === e.MessageLogLevel ? e.Log = e._LogEnabled : e.Log = e._LogDisabled,
                    (t & e.WarningLogLevel) === e.WarningLogLevel ? e.Warn = e._WarnEnabled : e.Warn = e._WarnDisabled,
                    (t & e.ErrorLogLevel) === e.ErrorLogLevel ? e.Error = e._ErrorEnabled : e.Error = e._ErrorDisabled
                },
                enumerable: !1,
                configurable: !0
            }),
            e.NoneLogLevel = 0,
            e.MessageLogLevel = 1,
            e.WarningLogLevel = 2,
            e.ErrorLogLevel = 4,
            e.AllLogLevel = 7,
            e.MessageLimitReached = "Too many %TYPE%s (%LIMIT%), no more %TYPE%s will be reported for this message.",
            e._LogCache = "",
            e._LogLimitOutputs = {},
            e.errorsCount = 0,
            e.Log = e._LogEnabled,
            e.Warn = e._WarnEnabled,
            e.Error = e._ErrorEnabled,
            e
        }()
          , Q = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, r) || this;
                return o.propertyPath = n,
                o._target = o._effectiveTarget = i,
                o
            }
            return U(t, e),
            t.prototype._prepare = function() {
                this._effectiveTarget = this._getEffectiveTarget(this._effectiveTarget, this.propertyPath),
                this._property = this._getProperty(this.propertyPath)
            }
            ,
            t.prototype.execute = function() {
                this._effectiveTarget[this._property] = !this._effectiveTarget[this._property]
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "SwitchBooleanAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "propertyPath",
                        value: this.propertyPath
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , q = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, r) || this;
                return o.value = n,
                o._target = i,
                o
            }
            return U(t, e),
            t.prototype.execute = function() {
                this._target.state = this.value
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "SetStateAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "value",
                        value: this.value
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , Z = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, o) || this;
                return a.propertyPath = n,
                a.value = r,
                a._target = a._effectiveTarget = i,
                a
            }
            return U(t, e),
            t.prototype._prepare = function() {
                this._effectiveTarget = this._getEffectiveTarget(this._effectiveTarget, this.propertyPath),
                this._property = this._getProperty(this.propertyPath)
            }
            ,
            t.prototype.execute = function() {
                this._effectiveTarget[this._property] = this.value,
                this._target.markAsDirty && this._target.markAsDirty(this._property)
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "SetValueAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "propertyPath",
                        value: this.propertyPath
                    }, {
                        name: "value",
                        value: F._SerializeValueAsString(this.value)
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , J = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, o) || this;
                return a.propertyPath = n,
                a.value = r,
                a._target = a._effectiveTarget = i,
                a
            }
            return U(t, e),
            t.prototype._prepare = function() {
                this._effectiveTarget = this._getEffectiveTarget(this._effectiveTarget, this.propertyPath),
                this._property = this._getProperty(this.propertyPath),
                "number" != typeof this._effectiveTarget[this._property] && K.Warn("Warning: IncrementValueAction can only be used with number values")
            }
            ,
            t.prototype.execute = function() {
                this._effectiveTarget[this._property] += this.value,
                this._target.markAsDirty && this._target.markAsDirty(this._property)
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "IncrementValueAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "propertyPath",
                        value: this.propertyPath
                    }, {
                        name: "value",
                        value: F._SerializeValueAsString(this.value)
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , $ = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, a) || this;
                return s.from = n,
                s.to = r,
                s.loop = o,
                s._target = i,
                s
            }
            return U(t, e),
            t.prototype._prepare = function() {}
            ,
            t.prototype.execute = function() {
                this._actionManager.getScene().beginAnimation(this._target, this.from, this.to, this.loop)
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "PlayAnimationAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "from",
                        value: String(this.from)
                    }, {
                        name: "to",
                        value: String(this.to)
                    }, {
                        name: "loop",
                        value: F._SerializeValueAsString(this.loop) || !1
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , ee = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
                return r._target = i,
                r
            }
            return U(t, e),
            t.prototype._prepare = function() {}
            ,
            t.prototype.execute = function() {
                this._actionManager.getScene().stopAnimation(this._target)
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "StopAnimationAction",
                    properties: [F._GetTargetProperty(this._target)]
                }, t)
            }
            ,
            t
        }(F)
          , te = function(e) {
            function t(t, i) {
                return void 0 === t && (t = a.ACTION_NothingTrigger),
                e.call(this, t, i) || this
            }
            return U(t, e),
            t.prototype.execute = function() {}
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "DoNothingAction",
                    properties: []
                }, t)
            }
            ,
            t
        }(F)
          , ie = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.call(this, t, n) || this;
                return o.children = i,
                o.enableChildrenConditions = r,
                o
            }
            return U(t, e),
            t.prototype._prepare = function() {
                for (var e = 0; e < this.children.length; e++)
                    this.children[e]._actionManager = this._actionManager,
                    this.children[e]._prepare()
            }
            ,
            t.prototype.execute = function(e) {
                for (var t = 0, i = this.children; t < i.length; t++) {
                    var n = i[t];
                    this.enableChildrenConditions && !n._evaluateConditionForCurrentFrame() || n.execute(e)
                }
            }
            ,
            t.prototype.serialize = function(t) {
                for (var i = e.prototype._serialize.call(this, {
                    name: "CombineAction",
                    properties: [],
                    combine: []
                }, t), n = 0; n < this.children.length; n++)
                    i.combine.push(this.children[n].serialize(null));
                return i
            }
            ,
            t
        }(F)
          , ne = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
                return r.func = i,
                r
            }
            return U(t, e),
            t.prototype.execute = function(e) {
                this.func(e)
            }
            ,
            t
        }(F)
          , re = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, r) || this;
                return o._target = i,
                o._parent = n,
                o
            }
            return U(t, e),
            t.prototype._prepare = function() {}
            ,
            t.prototype.execute = function() {
                if (this._target.parent !== this._parent) {
                    var e = this._parent.getWorldMatrix().clone();
                    e.invert(),
                    this._target.position = x.TransformCoordinates(this._target.position, e),
                    this._target.parent = this._parent
                }
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "SetParentAction",
                    properties: [F._GetTargetProperty(this._target), F._GetTargetProperty(this._parent)]
                }, t)
            }
            ,
            t
        }(F);
        y("BABYLON.SetParentAction", re),
        y("BABYLON.ExecuteCodeAction", ne),
        y("BABYLON.DoNothingAction", te),
        y("BABYLON.StopAnimationAction", ee),
        y("BABYLON.PlayAnimationAction", $),
        y("BABYLON.IncrementValueAction", J),
        y("BABYLON.SetValueAction", Z),
        y("BABYLON.SetStateAction", q),
        y("BABYLON.SetParentAction", re);
        var oe = function(e, t) {
            return -1 !== e.indexOf(t, e.length - t.length)
        }
          , ae = function(e, t) {
            return !!e && 0 === e.indexOf(t)
        }
          , se = function(e) {
            if ("undefined" != typeof TextDecoder)
                return (new TextDecoder).decode(e);
            for (var t = "", i = 0; i < e.byteLength; i++)
                t += String.fromCharCode(e[i]);
            return t
        }
          , le = function(e) {
            for (var t, i, n, r, o, a, s, l = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=", c = "", u = 0, h = ArrayBuffer.isView(e) ? new Uint8Array(e.buffer,e.byteOffset,e.byteLength) : new Uint8Array(e); u < h.length; )
                r = (t = h[u++]) >> 2,
                o = (3 & t) << 4 | (i = u < h.length ? h[u++] : Number.NaN) >> 4,
                a = (15 & i) << 2 | (n = u < h.length ? h[u++] : Number.NaN) >> 6,
                s = 63 & n,
                isNaN(i) ? a = s = 64 : isNaN(n) && (s = 64),
                c += l.charAt(r) + l.charAt(o) + l.charAt(a) + l.charAt(s);
            return c
        }
          , ce = function(e) {
            return atob(e)
        }
          , ue = function(e) {
            for (var t = ce(e), i = t.length, n = new Uint8Array(new ArrayBuffer(i)), r = 0; r < i; r++)
                n[r] = t.charCodeAt(r);
            return n.buffer
        }
          , he = function(e, t) {
            for (var i = String(e); i.length < t; )
                i = "0" + i;
            return i
        }
          , de = {
            EndsWith: oe,
            StartsWith: ae,
            Decode: se,
            EncodeArrayBufferToBase64: le,
            DecodeBase64ToString: ce,
            DecodeBase64ToBinary: ue,
            PadNumber: he
        }
          , pe = function(e, t) {
            return e ? e.getClassName && "Mesh" === e.getClassName() ? null : e.getClassName && "SubMesh" === e.getClassName() ? e.clone(t) : e.clone ? e.clone() : null : null
        }
          , fe = function() {
            function e() {}
            return e.DeepCopy = function(e, t, i, n) {
                for (var r = function(e) {
                    var t = [];
                    do {
                        Object.getOwnPropertyNames(e).forEach((function(e) {
                            -1 === t.indexOf(e) && t.push(e)
                        }
                        ))
                    } while (e = Object.getPrototypeOf(e));
                    return t
                }(e), o = 0, a = r; o < a.length; o++) {
                    var s = a[o];
                    if (("_" !== s[0] || n && -1 !== n.indexOf(s)) && !(oe(s, "Observable") || i && -1 !== i.indexOf(s))) {
                        var l = e[s]
                          , c = typeof l;
                        if ("function" !== c)
                            try {
                                if ("object" === c)
                                    if (l instanceof Array) {
                                        if (t[s] = [],
                                        l.length > 0)
                                            if ("object" == typeof l[0])
                                                for (var u = 0; u < l.length; u++) {
                                                    var h = pe(l[u], t);
                                                    -1 === t[s].indexOf(h) && t[s].push(h)
                                                }
                                            else
                                                t[s] = l.slice(0)
                                    } else
                                        t[s] = pe(l, t);
                                else
                                    t[s] = l
                            } catch (e) {
                                K.Warn(e.message)
                            }
                    }
                }
            }
            ,
            e
        }()
          , _e = function(e) {
            function t(t) {
                var i = e.call(this) || this;
                return (t = t || E.LastCreatedScene) ? (i._scene = t,
                t.actionManagers.push(i),
                i) : i
            }
            return U(t, e),
            t.prototype.dispose = function() {
                for (var e = this._scene.actionManagers.indexOf(this), i = 0; i < this.actions.length; i++) {
                    var n = this.actions[i];
                    t.Triggers[n.trigger]--,
                    0 === t.Triggers[n.trigger] && delete t.Triggers[n.trigger]
                }
                e > -1 && this._scene.actionManagers.splice(e, 1)
            }
            ,
            t.prototype.getScene = function() {
                return this._scene
            }
            ,
            t.prototype.hasSpecificTriggers = function(e) {
                for (var t = 0; t < this.actions.length; t++) {
                    var i = this.actions[t];
                    if (e.indexOf(i.trigger) > -1)
                        return !0
                }
                return !1
            }
            ,
            t.prototype.hasSpecificTriggers2 = function(e, t) {
                for (var i = 0; i < this.actions.length; i++) {
                    var n = this.actions[i];
                    if (e == n.trigger || t == n.trigger)
                        return !0
                }
                return !1
            }
            ,
            t.prototype.hasSpecificTrigger = function(e, t) {
                for (var i = 0; i < this.actions.length; i++) {
                    var n = this.actions[i];
                    if (n.trigger === e) {
                        if (!t)
                            return !0;
                        if (t(n.getTriggerParameter()))
                            return !0
                    }
                }
                return !1
            }
            ,
            Object.defineProperty(t.prototype, "hasPointerTriggers", {
                get: function() {
                    for (var e = 0; e < this.actions.length; e++) {
                        var i = this.actions[e];
                        if (i.trigger >= t.OnPickTrigger && i.trigger <= t.OnPointerOutTrigger)
                            return !0
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasPickTriggers", {
                get: function() {
                    for (var e = 0; e < this.actions.length; e++) {
                        var i = this.actions[e];
                        if (i.trigger >= t.OnPickTrigger && i.trigger <= t.OnPickUpTrigger)
                            return !0
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.registerAction = function(e) {
                return e.trigger === t.OnEveryFrameTrigger && this.getScene().actionManager !== this ? (K.Warn("OnEveryFrameTrigger can only be used with scene.actionManager"),
                null) : (this.actions.push(e),
                t.Triggers[e.trigger] ? t.Triggers[e.trigger]++ : t.Triggers[e.trigger] = 1,
                e._actionManager = this,
                e._prepare(),
                e)
            }
            ,
            t.prototype.unregisterAction = function(e) {
                var i = this.actions.indexOf(e);
                return -1 !== i && (this.actions.splice(i, 1),
                t.Triggers[e.trigger] -= 1,
                0 === t.Triggers[e.trigger] && delete t.Triggers[e.trigger],
                e._actionManager = null,
                !0)
            }
            ,
            t.prototype.processTrigger = function(e, i) {
                for (var n = 0; n < this.actions.length; n++) {
                    var r = this.actions[n];
                    if (r.trigger === e) {
                        if (i && (e === t.OnKeyUpTrigger || e === t.OnKeyDownTrigger)) {
                            var o = r.getTriggerParameter();
                            if (o && o !== i.sourceEvent.keyCode) {
                                if (!o.toLowerCase)
                                    continue;
                                var a = o.toLowerCase();
                                if (a !== i.sourceEvent.key) {
                                    var s = i.sourceEvent.charCode ? i.sourceEvent.charCode : i.sourceEvent.keyCode;
                                    if (String.fromCharCode(s).toLowerCase() !== a)
                                        continue
                                }
                            }
                        }
                        r._executeCurrent(i)
                    }
                }
            }
            ,
            t.prototype._getEffectiveTarget = function(e, t) {
                for (var i = t.split("."), n = 0; n < i.length - 1; n++)
                    e = e[i[n]];
                return e
            }
            ,
            t.prototype._getProperty = function(e) {
                var t = e.split(".");
                return t[t.length - 1]
            }
            ,
            t.prototype.serialize = function(e) {
                for (var i = {
                    children: new Array,
                    name: e,
                    type: 3,
                    properties: new Array
                }, n = 0; n < this.actions.length; n++) {
                    var r = {
                        type: 0,
                        children: new Array,
                        name: t.GetTriggerName(this.actions[n].trigger),
                        properties: new Array
                    }
                      , o = this.actions[n].triggerOptions;
                    if (o && "number" != typeof o)
                        if (o.parameter instanceof Node)
                            r.properties.push(F._GetTargetProperty(o.parameter));
                        else {
                            var a = {};
                            fe.DeepCopy(o.parameter, a, ["mesh"]),
                            o.parameter && o.parameter.mesh && (a._meshId = o.parameter.mesh.id),
                            r.properties.push({
                                name: "parameter",
                                targetType: null,
                                value: a
                            })
                        }
                    this.actions[n].serialize(r),
                    i.children.push(r)
                }
                return i
            }
            ,
            t.Parse = function(e, i, n) {
                var r = new t(n);
                null === i ? n.actionManager = r : i.actionManager = r;
                for (var o = function(e, t, i, n) {
                    if (null === n) {
                        var r = parseFloat(t);
                        return "true" === t || "false" === t ? "true" === t : isNaN(r) ? t : r
                    }
                    for (var o = n.split("."), a = t.split(","), s = 0; s < o.length; s++)
                        i = i[o[s]];
                    if ("boolean" == typeof i)
                        return "true" === a[0];
                    if ("string" == typeof i)
                        return a[0];
                    var l = new Array;
                    for (s = 0; s < a.length; s++)
                        l.push(parseFloat(a[s]));
                    return i instanceof x ? x.FromArray(l) : i instanceof R ? R.FromArray(l) : i instanceof D ? D.FromArray(l) : i instanceof N ? N.FromArray(l) : parseFloat(a[0])
                }, a = function(e, i, s, l, c) {
                    if (void 0 === c && (c = null),
                    !e.detached) {
                        var u = new Array
                          , h = null
                          , d = null
                          , p = e.combine && e.combine.length > 0;
                        if (2 === e.type ? u.push(r) : u.push(i),
                        p) {
                            for (var f = new Array, _ = 0; _ < e.combine.length; _++)
                                a(e.combine[_], t.NothingTrigger, s, l, f);
                            u.push(f)
                        } else
                            for (var m = 0; m < e.properties.length; m++) {
                                var g = e.properties[m].value
                                  , v = e.properties[m].name
                                  , y = e.properties[m].targetType;
                                "target" === v ? g = h = null !== y && "SceneProperties" === y ? n : n.getNodeByName(g) : "parent" === v ? g = n.getNodeByName(g) : "sound" === v ? n.getSoundByName && (g = n.getSoundByName(g)) : "propertyPath" !== v ? g = 2 === e.type && "operator" === v ? X[g] : o(0, g, h, "value" === v ? d : null) : d = g,
                                u.push(g)
                            }
                        if (null === c ? u.push(s) : u.push(null),
                        "InterpolateValueAction" === e.name) {
                            var T = u[u.length - 2];
                            u[u.length - 1] = T,
                            u[u.length - 2] = s
                        }
                        var E = function(e, t) {
                            var i = b("BABYLON." + e);
                            if (i) {
                                var n = Object.create(i.prototype);
                                return n.constructor.apply(n, t),
                                n
                            }
                        }(e.name, u);
                        if (E instanceof H && null !== s) {
                            var S = new te(i,s);
                            l ? l.then(S) : r.registerAction(S),
                            l = S
                        }
                        for (null === c ? E instanceof H ? (s = E,
                        E = l) : (s = null,
                        l ? l.then(E) : r.registerAction(E)) : c.push(E),
                        m = 0; m < e.children.length; m++)
                            a(e.children[m], i, s, E, null)
                    }
                }, s = 0; s < e.children.length; s++) {
                    var l = void 0
                      , c = e.children[s];
                    if (c.properties.length > 0) {
                        var u = c.properties[0].value
                          , h = null === c.properties[0].targetType ? u : n.getMeshByName(u);
                        h._meshId && (h.mesh = n.getMeshById(h._meshId)),
                        l = {
                            trigger: t[c.name],
                            parameter: h
                        }
                    } else
                        l = t[c.name];
                    for (var d = 0; d < c.children.length; d++)
                        c.detached || a(c.children[d], l, null, null)
                }
            }
            ,
            t.GetTriggerName = function(e) {
                switch (e) {
                case 0:
                    return "NothingTrigger";
                case 1:
                    return "OnPickTrigger";
                case 2:
                    return "OnLeftPickTrigger";
                case 3:
                    return "OnRightPickTrigger";
                case 4:
                    return "OnCenterPickTrigger";
                case 5:
                    return "OnPickDownTrigger";
                case 6:
                    return "OnPickUpTrigger";
                case 7:
                    return "OnLongPressTrigger";
                case 8:
                    return "OnPointerOverTrigger";
                case 9:
                    return "OnPointerOutTrigger";
                case 10:
                    return "OnEveryFrameTrigger";
                case 11:
                    return "OnIntersectionEnterTrigger";
                case 12:
                    return "OnIntersectionExitTrigger";
                case 13:
                    return "OnKeyDownTrigger";
                case 14:
                    return "OnKeyUpTrigger";
                case 15:
                    return "OnPickOutTrigger";
                default:
                    return ""
                }
            }
            ,
            t.NothingTrigger = a.ACTION_NothingTrigger,
            t.OnPickTrigger = a.ACTION_OnPickTrigger,
            t.OnLeftPickTrigger = a.ACTION_OnLeftPickTrigger,
            t.OnRightPickTrigger = a.ACTION_OnRightPickTrigger,
            t.OnCenterPickTrigger = a.ACTION_OnCenterPickTrigger,
            t.OnPickDownTrigger = a.ACTION_OnPickDownTrigger,
            t.OnDoublePickTrigger = a.ACTION_OnDoublePickTrigger,
            t.OnPickUpTrigger = a.ACTION_OnPickUpTrigger,
            t.OnPickOutTrigger = a.ACTION_OnPickOutTrigger,
            t.OnLongPressTrigger = a.ACTION_OnLongPressTrigger,
            t.OnPointerOverTrigger = a.ACTION_OnPointerOverTrigger,
            t.OnPointerOutTrigger = a.ACTION_OnPointerOutTrigger,
            t.OnEveryFrameTrigger = a.ACTION_OnEveryFrameTrigger,
            t.OnIntersectionEnterTrigger = a.ACTION_OnIntersectionEnterTrigger,
            t.OnIntersectionExitTrigger = a.ACTION_OnIntersectionExitTrigger,
            t.OnKeyDownTrigger = a.ACTION_OnKeyDownTrigger,
            t.OnKeyUpTrigger = 15,
            t
        }(s)
          , me = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
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                r
            }
            return U(t, e),
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            ,
            t.prototype.execute = function() {
                void 0 !== this._sound && this._sound.play()
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "PlaySoundAction",
                    properties: [{
                        name: "sound",
                        value: this._sound.name
                    }]
                }, t)
            }
            ,
            t
        }(F)
          , ge = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
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                r
            }
            return U(t, e),
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            ,
            t.prototype.execute = function() {
                void 0 !== this._sound && this._sound.stop()
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "StopSoundAction",
                    properties: [{
                        name: "sound",
                        value: this._sound.name
                    }]
                }, t)
            }
            ,
            t
        }(F);
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        y("BABYLON.StopSoundAction", ge);
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                enumerable: !1,
                configurable: !0
            }),
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                }
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            ,
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            ,
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                configurable: !0
            }),
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            ,
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            e.prototype.isEnabled = function(e) {
                return void 0 === e && (e = !0),
                !1 === e ? this._nodeDataStorage._isEnabled : !!this._nodeDataStorage._isEnabled && this._nodeDataStorage._isParentEnabled
            }
            ,
            e.prototype._syncParentEnabledState = function() {
                this._nodeDataStorage._isParentEnabled = !this._parentNode || this._parentNode.isEnabled(),
                this._children && this._children.forEach((function(e) {
                    e._syncParentEnabledState()
                }
                ))
            }
            ,
            e.prototype.setEnabled = function(e) {
                this._nodeDataStorage._isEnabled !== e && (this._nodeDataStorage._isEnabled = e,
                this._nodeDataStorage._onEnabledStateChangedObservable.notifyObservers(e),
                this._syncParentEnabledState())
            }
            ,
            e.prototype.isDescendantOf = function(e) {
                return !!this.parent && (this.parent === e || this.parent.isDescendantOf(e))
            }
            ,
            e.prototype._getDescendants = function(e, t, i) {
                if (void 0 === t && (t = !1),
                this._children)
                    for (var n = 0; n < this._children.length; n++) {
                        var r = this._children[n];
                        i && !i(r) || e.push(r),
                        t || r._getDescendants(e, !1, i)
                    }
            }
            ,
            e.prototype.getDescendants = function(e, t) {
                var i = new Array;
                return this._getDescendants(i, e, t),
                i
            }
            ,
            e.prototype.getChildMeshes = function(e, t) {
                var i = [];
                return this._getDescendants(i, e, (function(e) {
                    return (!t || t(e)) && void 0 !== e.cullingStrategy
                }
                )),
                i
            }
            ,
            e.prototype.getChildren = function(e, t) {
                return void 0 === t && (t = !0),
                this.getDescendants(t, e)
            }
            ,
            e.prototype._setReady = function(e) {
                e !== this._nodeDataStorage._isReady && (e ? (this.onReady && this.onReady(this),
                this._nodeDataStorage._isReady = !0) : this._nodeDataStorage._isReady = !1)
            }
            ,
            e.prototype.getAnimationByName = function(e) {
                for (var t = 0; t < this.animations.length; t++) {
                    var i = this.animations[t];
                    if (i.name === e)
                        return i
                }
                return null
            }
            ,
            e.prototype.createAnimationRange = function(t, i, n) {
                if (!this._ranges[t]) {
                    this._ranges[t] = e._AnimationRangeFactory(t, i, n);
                    for (var r = 0, o = this.animations.length; r < o; r++)
                        this.animations[r] && this.animations[r].createRange(t, i, n)
                }
            }
            ,
            e.prototype.deleteAnimationRange = function(e, t) {
                void 0 === t && (t = !0);
                for (var i = 0, n = this.animations.length; i < n; i++)
                    this.animations[i] && this.animations[i].deleteRange(e, t);
                this._ranges[e] = null
            }
            ,
            e.prototype.getAnimationRange = function(e) {
                return this._ranges[e] || null
            }
            ,
            e.prototype.getAnimationRanges = function() {
                var e, t = [];
                for (e in this._ranges)
                    t.push(this._ranges[e]);
                return t
            }
            ,
            e.prototype.beginAnimation = function(e, t, i, n) {
                var r = this.getAnimationRange(e);
                return r ? this._scene.beginAnimation(this, r.from, r.to, t, i, n) : null
            }
            ,
            e.prototype.serializeAnimationRanges = function() {
                var e = [];
                for (var t in this._ranges) {
                    var i = this._ranges[t];
                    if (i) {
                        var n = {};
                        n.name = t,
                        n.from = i.from,
                        n.to = i.to,
                        e.push(n)
                    }
                }
                return e
            }
            ,
            e.prototype.computeWorldMatrix = function(e) {
                return this._worldMatrix || (this._worldMatrix = P.Identity()),
                this._worldMatrix
            }
            ,
            e.prototype.dispose = function(e, t) {
                if (void 0 === t && (t = !1),
                this._nodeDataStorage._isDisposed = !0,
                !e)
                    for (var i = 0, n = this.getDescendants(!0); i < n.length; i++)
                        n[i].dispose(e, t);
                this.parent ? this.parent = null : this._removeFromSceneRootNodes(),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this.onEnabledStateChangedObservable.clear(),
                this.onClonedObservable.clear();
                for (var r = 0, o = this._behaviors; r < o.length; r++)
                    o[r].detach();
                this._behaviors = [],
                this.metadata = null
            }
            ,
            e.ParseAnimationRanges = function(e, t, i) {
                if (t.ranges)
                    for (var n = 0; n < t.ranges.length; n++) {
                        var r = t.ranges[n];
                        e.createAnimationRange(r.name, r.from, r.to)
                    }
            }
            ,
            e.prototype.getHierarchyBoundingVectors = function(e, t) {
                var i, n;
                void 0 === e && (e = !0),
                void 0 === t && (t = null),
                this.getScene().incrementRenderId(),
                this.computeWorldMatrix(!0);
                var r = this;
                if (r.getBoundingInfo && r.subMeshes) {
                    var o = r.getBoundingInfo();
                    i = o.boundingBox.minimumWorld.clone(),
                    n = o.boundingBox.maximumWorld.clone()
                } else
                    i = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                    n = new x(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE);
                if (e)
                    for (var a = 0, s = this.getDescendants(!1); a < s.length; a++) {
                        var l = s[a];
                        if (l.computeWorldMatrix(!0),
                        (!t || t(l)) && l.getBoundingInfo && 0 !== l.getTotalVertices()) {
                            var c = l.getBoundingInfo().boundingBox
                              , u = c.minimumWorld
                              , h = c.maximumWorld;
                            x.CheckExtends(u, i, n),
                            x.CheckExtends(h, i, n)
                        }
                    }
                return {
                    min: i,
                    max: n
                }
            }
            ,
            e._AnimationRangeFactory = function(e, t, i) {
                throw be("AnimationRange")
            }
            ,
            e._NodeConstructors = {},
            k([Ce()], e.prototype, "name", void 0),
            k([Ce()], e.prototype, "id", void 0),
            k([Ce()], e.prototype, "uniqueId", void 0),
            k([Ce()], e.prototype, "state", void 0),
            k([Ce()], e.prototype, "metadata", void 0),
            e
        }()
          , je = function() {
            function e(e, t) {
                this.width = e,
                this.height = t
            }
            return e.prototype.toString = function() {
                return "{W: ".concat(this.width, ", H: ").concat(this.height, "}")
            }
            ,
            e.prototype.getClassName = function() {
                return "Size"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = 0 | this.width;
                return 397 * e ^ (0 | this.height)
            }
            ,
            e.prototype.copyFrom = function(e) {
                this.width = e.width,
                this.height = e.height
            }
            ,
            e.prototype.copyFromFloats = function(e, t) {
                return this.width = e,
                this.height = t,
                this
            }
            ,
            e.prototype.set = function(e, t) {
                return this.copyFromFloats(e, t)
            }
            ,
            e.prototype.multiplyByFloats = function(t, i) {
                return new e(this.width * t,this.height * i)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.width,this.height)
            }
            ,
            e.prototype.equals = function(e) {
                return !!e && this.width === e.width && this.height === e.height
            }
            ,
            Object.defineProperty(e.prototype, "surface", {
                get: function() {
                    return this.width * this.height
                },
                enumerable: !1,
                configurable: !0
            }),
            e.Zero = function() {
                return new e(0,0)
            }
            ,
            e.prototype.add = function(t) {
                return new e(this.width + t.width,this.height + t.height)
            }
            ,
            e.prototype.subtract = function(t) {
                return new e(this.width - t.width,this.height - t.height)
            }
            ,
            e.Lerp = function(t, i, n) {
                return new e(t.width + (i.width - t.width) * n,t.height + (i.height - t.height) * n)
            }
            ,
            e
        }()
          , Ye = function() {
            function e() {
                this._xhr = "undefined" != typeof _native && _native.XMLHttpRequest ? new _native.XMLHttpRequest : new XMLHttpRequest
            }
            return e.prototype._injectCustomRequestHeaders = function() {
                for (var t in e.CustomRequestHeaders) {
                    var i = e.CustomRequestHeaders[t];
                    i && this._xhr.setRequestHeader(t, i)
                }
            }
            ,
            Object.defineProperty(e.prototype, "onprogress", {
                get: function() {
                    return this._xhr.onprogress
                },
                set: function(e) {
                    this._xhr.onprogress = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "readyState", {
                get: function() {
                    return this._xhr.readyState
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "status", {
                get: function() {
                    return this._xhr.status
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "statusText", {
                get: function() {
                    return this._xhr.statusText
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "response", {
                get: function() {
                    return this._xhr.response
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "responseURL", {
                get: function() {
                    return this._xhr.responseURL
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "responseText", {
                get: function() {
                    return this._xhr.responseText
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "responseType", {
                get: function() {
                    return this._xhr.responseType
                },
                set: function(e) {
                    this._xhr.responseType = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "timeout", {
                get: function() {
                    return this._xhr.timeout
                },
                set: function(e) {
                    this._xhr.timeout = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addEventListener = function(e, t, i) {
                this._xhr.addEventListener(e, t, i)
            }
            ,
            e.prototype.removeEventListener = function(e, t, i) {
                this._xhr.removeEventListener(e, t, i)
            }
            ,
            e.prototype.abort = function() {
                this._xhr.abort()
            }
            ,
            e.prototype.send = function(t) {
                e.CustomRequestHeaders && this._injectCustomRequestHeaders(),
                this._xhr.send(t)
            }
            ,
            e.prototype.open = function(t, i) {
                for (var n = 0, r = e.CustomRequestModifiers; n < r.length; n++)
                    (0,
                    r[n])(this._xhr, i);
                return i = (i = i.replace("file:http:", "http:")).replace("file:https:", "https:"),
                this._xhr.open(t, i, !0)
            }
            ,
            e.prototype.setRequestHeader = function(e, t) {
                this._xhr.setRequestHeader(e, t)
            }
            ,
            e.prototype.getResponseHeader = function(e) {
                return this._xhr.getResponseHeader(e)
            }
            ,
            e.CustomRequestHeaders = {},
            e.CustomRequestModifiers = new Array,
            e
        }()
          , Ke = function() {}
          , Qe = function() {
            function e(t, i, n, r, o, a) {
                this.name = t,
                this.targetProperty = i,
                this.framePerSecond = n,
                this.dataType = r,
                this.loopMode = o,
                this.enableBlending = a,
                this._easingFunction = null,
                this._runtimeAnimations = new Array,
                this._events = new Array,
                this.blendingSpeed = .01,
                this._ranges = {},
                this.targetPropertyPath = i.split("."),
                this.dataType = r,
                this.loopMode = void 0 === o ? e.ANIMATIONLOOPMODE_CYCLE : o,
                this.uniqueId = e._UniqueIdGenerator++
            }
            return e._PrepareAnimation = function(t, i, n, r, o, a, s, l) {
                var c = void 0;
                if (!isNaN(parseFloat(o)) && isFinite(o) ? c = e.ANIMATIONTYPE_FLOAT : o instanceof C ? c = e.ANIMATIONTYPE_QUATERNION : o instanceof x ? c = e.ANIMATIONTYPE_VECTOR3 : o instanceof A ? c = e.ANIMATIONTYPE_VECTOR2 : o instanceof D ? c = e.ANIMATIONTYPE_COLOR3 : o instanceof N ? c = e.ANIMATIONTYPE_COLOR4 : o instanceof je && (c = e.ANIMATIONTYPE_SIZE),
                null == c)
                    return null;
                var u = new e(t,i,n,c,s)
                  , h = [{
                    frame: 0,
                    value: o
                }, {
                    frame: r,
                    value: a
                }];
                return u.setKeys(h),
                void 0 !== l && u.setEasingFunction(l),
                u
            }
            ,
            e.CreateAnimation = function(t, i, n, r) {
                var o = new e(t + "Animation",t,n,i,e.ANIMATIONLOOPMODE_CONSTANT);
                return o.setEasingFunction(r),
                o
            }
            ,
            e.CreateAndStartAnimation = function(t, i, n, r, o, a, s, l, c, u, h) {
                var d = e._PrepareAnimation(t, n, r, o, a, s, l, c);
                return d ? (i.getScene && (h = i.getScene()),
                h ? h.beginDirectAnimation(i, [d], 0, o, 1 === d.loopMode, 1, u) : null) : null
            }
            ,
            e.CreateAndStartHierarchyAnimation = function(t, i, n, r, o, a, s, l, c, u, h) {
                var d = e._PrepareAnimation(t, r, o, a, s, l, c, u);
                return d ? i.getScene().beginDirectHierarchyAnimation(i, n, [d], 0, a, 1 === d.loopMode, 1, h) : null
            }
            ,
            e.CreateMergeAndStartAnimation = function(t, i, n, r, o, a, s, l, c, u) {
                var h = e._PrepareAnimation(t, n, r, o, a, s, l, c);
                return h ? (i.animations.push(h),
                i.getScene().beginAnimation(i, 0, o, 1 === h.loopMode, 1, u)) : null
            }
            ,
            e.MakeAnimationAdditive = function(t, i, n, r, o) {
                void 0 === i && (i = 0),
                void 0 === r && (r = !1);
                var a = t;
                if (r && ((a = t.clone()).name = o || a.name),
                !a._keys.length)
                    return a;
                i = i >= 0 ? i : 0;
                var s = 0
                  , l = a._keys[0]
                  , c = a._keys.length - 1
                  , u = a._keys[c]
                  , h = {
                    referenceValue: l.value,
                    referencePosition: I.Vector3[0],
                    referenceQuaternion: I.Quaternion[0],
                    referenceScaling: I.Vector3[1],
                    keyPosition: I.Vector3[2],
                    keyQuaternion: I.Quaternion[1],
                    keyScaling: I.Vector3[3]
                }
                  , d = !1
                  , p = l.frame
                  , f = u.frame;
                if (n) {
                    var _ = a.getRange(n);
                    _ && (p = _.from,
                    f = _.to)
                }
                var m = l.frame === p
                  , g = u.frame === f;
                if (1 === a._keys.length) {
                    var v = a._getKeyValue(a._keys[0]);
                    h.referenceValue = v.clone ? v.clone() : v,
                    d = !0
                } else
                    i <= l.frame ? (v = a._getKeyValue(l.value),
                    h.referenceValue = v.clone ? v.clone() : v,
                    d = !0) : i >= u.frame && (v = a._getKeyValue(u.value),
                    h.referenceValue = v.clone ? v.clone() : v,
                    d = !0);
                for (var y = 0; !d || !m || !g && y < a._keys.length - 1; ) {
                    var b = a._keys[y]
                      , T = a._keys[y + 1];
                    if (!d && i >= b.frame && i <= T.frame) {
                        if (v = void 0,
                        i === b.frame)
                            v = a._getKeyValue(b.value);
                        else if (i === T.frame)
                            v = a._getKeyValue(T.value);
                        else {
                            var E = {
                                key: y,
                                repeatCount: 0,
                                loopMode: this.ANIMATIONLOOPMODE_CONSTANT
                            };
                            v = a._interpolate(i, E)
                        }
                        h.referenceValue = v.clone ? v.clone() : v,
                        d = !0
                    }
                    if (!m && p >= b.frame && p <= T.frame) {
                        if (p === b.frame)
                            s = y;
                        else if (p === T.frame)
                            s = y + 1;
                        else {
                            E = {
                                key: y,
                                repeatCount: 0,
                                loopMode: this.ANIMATIONLOOPMODE_CONSTANT
                            };
                            var S = {
                                frame: p,
                                value: (v = a._interpolate(p, E)).clone ? v.clone() : v
                            };
                            a._keys.splice(y + 1, 0, S),
                            s = y + 1
                        }
                        m = !0
                    }
                    !g && f >= b.frame && f <= T.frame && (f === b.frame ? c = y : (f === T.frame || (E = {
                        key: y,
                        repeatCount: 0,
                        loopMode: this.ANIMATIONLOOPMODE_CONSTANT
                    },
                    S = {
                        frame: f,
                        value: (v = a._interpolate(f, E)).clone ? v.clone() : v
                    },
                    a._keys.splice(y + 1, 0, S)),
                    c = y + 1),
                    g = !0),
                    y++
                }
                for (a.dataType === e.ANIMATIONTYPE_QUATERNION ? h.referenceValue.normalize().conjugateInPlace() : a.dataType === e.ANIMATIONTYPE_MATRIX && (h.referenceValue.decompose(h.referenceScaling, h.referenceQuaternion, h.referencePosition),
                h.referenceQuaternion.normalize().conjugateInPlace()),
                y = s; y <= c; y++)
                    if (S = a._keys[y],
                    !y || a.dataType === e.ANIMATIONTYPE_FLOAT || S.value !== l.value)
                        switch (a.dataType) {
                        case e.ANIMATIONTYPE_MATRIX:
                            S.value.decompose(h.keyScaling, h.keyQuaternion, h.keyPosition),
                            h.keyPosition.subtractInPlace(h.referencePosition),
                            h.keyScaling.divideInPlace(h.referenceScaling),
                            h.referenceQuaternion.multiplyToRef(h.keyQuaternion, h.keyQuaternion),
                            P.ComposeToRef(h.keyScaling, h.keyQuaternion, h.keyPosition, S.value);
                            break;
                        case e.ANIMATIONTYPE_QUATERNION:
                            h.referenceValue.multiplyToRef(S.value, S.value);
                            break;
                        case e.ANIMATIONTYPE_VECTOR2:
                        case e.ANIMATIONTYPE_VECTOR3:
                        case e.ANIMATIONTYPE_COLOR3:
                        case e.ANIMATIONTYPE_COLOR4:
                            S.value.subtractToRef(h.referenceValue, S.value);
                            break;
                        case e.ANIMATIONTYPE_SIZE:
                            S.value.width -= h.referenceValue.width,
                            S.value.height -= h.referenceValue.height;
                            break;
                        default:
                            S.value -= h.referenceValue
                        }
                return a
            }
            ,
            e.TransitionTo = function(e, t, i, n, r, o, a, s) {
                if (void 0 === s && (s = null),
                a <= 0)
                    return i[e] = t,
                    s && s(),
                    null;
                var l = r * (a / 1e3);
                o.setKeys([{
                    frame: 0,
                    value: i[e].clone ? i[e].clone() : i[e]
                }, {
                    frame: l,
                    value: t
                }]),
                i.animations || (i.animations = []),
                i.animations.push(o);
                var c = n.beginAnimation(i, 0, l, !1);
                return c.onAnimationEnd = s,
                c
            }
            ,
            Object.defineProperty(e.prototype, "runtimeAnimations", {
                get: function() {
                    return this._runtimeAnimations
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasRunningRuntimeAnimations", {
                get: function() {
                    for (var e = 0, t = this._runtimeAnimations; e < t.length; e++)
                        if (!t[e].isStopped())
                            return !0;
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.toString = function(e) {
                var t = "Name: " + this.name + ", property: " + this.targetProperty;
                if (t += ", datatype: " + ["Float", "Vector3", "Quaternion", "Matrix", "Color3", "Vector2"][this.dataType],
                t += ", nKeys: " + (this._keys ? this._keys.length : "none"),
                t += ", nRanges: " + (this._ranges ? Object.keys(this._ranges).length : "none"),
                e) {
                    t += ", Ranges: {";
                    var i = !0;
                    for (var n in this._ranges)
                        i && (t += ", ",
                        i = !1),
                        t += n;
                    t += "}"
                }
                return t
            }
            ,
            e.prototype.addEvent = function(e) {
                this._events.push(e),
                this._events.sort((function(e, t) {
                    return e.frame - t.frame
                }
                ))
            }
            ,
            e.prototype.removeEvents = function(e) {
                for (var t = 0; t < this._events.length; t++)
                    this._events[t].frame === e && (this._events.splice(t, 1),
                    t--)
            }
            ,
            e.prototype.getEvents = function() {
                return this._events
            }
            ,
            e.prototype.createRange = function(e, t, i) {
                this._ranges[e] || (this._ranges[e] = new We(e,t,i))
            }
            ,
            e.prototype.deleteRange = function(e, t) {
                void 0 === t && (t = !0);
                var i = this._ranges[e];
                if (i) {
                    if (t)
                        for (var n = i.from, r = i.to, o = this._keys.length - 1; o >= 0; o--)
                            this._keys[o].frame >= n && this._keys[o].frame <= r && this._keys.splice(o, 1);
                    this._ranges[e] = null
                }
            }
            ,
            e.prototype.getRange = function(e) {
                return this._ranges[e]
            }
            ,
            e.prototype.getKeys = function() {
                return this._keys
            }
            ,
            e.prototype.getHighestFrame = function() {
                for (var e = 0, t = 0, i = this._keys.length; t < i; t++)
                    e < this._keys[t].frame && (e = this._keys[t].frame);
                return e
            }
            ,
            e.prototype.getEasingFunction = function() {
                return this._easingFunction
            }
            ,
            e.prototype.setEasingFunction = function(e) {
                this._easingFunction = e
            }
            ,
            e.prototype.floatInterpolateFunction = function(e, t, i) {
                return d.Lerp(e, t, i)
            }
            ,
            e.prototype.floatInterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return d.Hermite(e, t, i, n, r)
            }
            ,
            e.prototype.quaternionInterpolateFunction = function(e, t, i) {
                return C.Slerp(e, t, i)
            }
            ,
            e.prototype.quaternionInterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return C.Hermite(e, t, i, n, r).normalize()
            }
            ,
            e.prototype.vector3InterpolateFunction = function(e, t, i) {
                return x.Lerp(e, t, i)
            }
            ,
            e.prototype.vector3InterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return x.Hermite(e, t, i, n, r)
            }
            ,
            e.prototype.vector2InterpolateFunction = function(e, t, i) {
                return A.Lerp(e, t, i)
            }
            ,
            e.prototype.vector2InterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return A.Hermite(e, t, i, n, r)
            }
            ,
            e.prototype.sizeInterpolateFunction = function(e, t, i) {
                return je.Lerp(e, t, i)
            }
            ,
            e.prototype.color3InterpolateFunction = function(e, t, i) {
                return D.Lerp(e, t, i)
            }
            ,
            e.prototype.color3InterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return D.Hermite(e, t, i, n, r)
            }
            ,
            e.prototype.color4InterpolateFunction = function(e, t, i) {
                return N.Lerp(e, t, i)
            }
            ,
            e.prototype.color4InterpolateFunctionWithTangents = function(e, t, i, n, r) {
                return N.Hermite(e, t, i, n, r)
            }
            ,
            e.prototype._getKeyValue = function(e) {
                return "function" == typeof e ? e() : e
            }
            ,
            e.prototype.evaluate = function(t) {
                return this._interpolate(t, {
                    key: 0,
                    repeatCount: 0,
                    loopMode: e.ANIMATIONLOOPMODE_CONSTANT
                })
            }
            ,
            e.prototype._interpolate = function(t, i) {
                if (i.loopMode === e.ANIMATIONLOOPMODE_CONSTANT && i.repeatCount > 0)
                    return i.highLimitValue.clone ? i.highLimitValue.clone() : i.highLimitValue;
                var n = this._keys;
                if (1 === n.length)
                    return this._getKeyValue(n[0].value);
                var r = i.key;
                if (n[r].frame >= t)
                    for (; r - 1 >= 0 && n[r].frame >= t; )
                        r--;
                for (var o = r; o < n.length - 1; o++) {
                    var a = n[o + 1];
                    if (a.frame >= t) {
                        i.key = o;
                        var s = n[o]
                          , l = this._getKeyValue(s.value)
                          , c = this._getKeyValue(a.value);
                        if (s.interpolation === ke.STEP)
                            return a.frame > t ? l : c;
                        var u = void 0 !== s.outTangent && void 0 !== a.inTangent
                          , h = a.frame - s.frame
                          , d = (t - s.frame) / h
                          , p = this.getEasingFunction();
                        switch (null !== p && (d = p.ease(d)),
                        this.dataType) {
                        case e.ANIMATIONTYPE_FLOAT:
                            var f = u ? this.floatInterpolateFunctionWithTangents(l, s.outTangent * h, c, a.inTangent * h, d) : this.floatInterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return f;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return i.offsetValue * i.repeatCount + f
                            }
                            break;
                        case e.ANIMATIONTYPE_QUATERNION:
                            var _ = u ? this.quaternionInterpolateFunctionWithTangents(l, s.outTangent.scale(h), c, a.inTangent.scale(h), d) : this.quaternionInterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return _;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return _.addInPlace(i.offsetValue.scale(i.repeatCount))
                            }
                            return _;
                        case e.ANIMATIONTYPE_VECTOR3:
                            var m = u ? this.vector3InterpolateFunctionWithTangents(l, s.outTangent.scale(h), c, a.inTangent.scale(h), d) : this.vector3InterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return m;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return m.add(i.offsetValue.scale(i.repeatCount))
                            }
                            break;
                        case e.ANIMATIONTYPE_VECTOR2:
                            var g = u ? this.vector2InterpolateFunctionWithTangents(l, s.outTangent.scale(h), c, a.inTangent.scale(h), d) : this.vector2InterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return g;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return g.add(i.offsetValue.scale(i.repeatCount))
                            }
                            break;
                        case e.ANIMATIONTYPE_SIZE:
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return this.sizeInterpolateFunction(l, c, d);
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return this.sizeInterpolateFunction(l, c, d).add(i.offsetValue.scale(i.repeatCount))
                            }
                            break;
                        case e.ANIMATIONTYPE_COLOR3:
                            var v = u ? this.color3InterpolateFunctionWithTangents(l, s.outTangent.scale(h), c, a.inTangent.scale(h), d) : this.color3InterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return v;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return v.add(i.offsetValue.scale(i.repeatCount))
                            }
                            break;
                        case e.ANIMATIONTYPE_COLOR4:
                            var y = u ? this.color4InterpolateFunctionWithTangents(l, s.outTangent.scale(h), c, a.inTangent.scale(h), d) : this.color4InterpolateFunction(l, c, d);
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return y;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return y.add(i.offsetValue.scale(i.repeatCount))
                            }
                            break;
                        case e.ANIMATIONTYPE_MATRIX:
                            switch (i.loopMode) {
                            case e.ANIMATIONLOOPMODE_CYCLE:
                            case e.ANIMATIONLOOPMODE_CONSTANT:
                                return e.AllowMatricesInterpolation ? this.matrixInterpolateFunction(l, c, d, i.workValue) : l;
                            case e.ANIMATIONLOOPMODE_RELATIVE:
                                return l
                            }
                        }
                        break
                    }
                }
                return this._getKeyValue(n[n.length - 1].value)
            }
            ,
            e.prototype.matrixInterpolateFunction = function(t, i, n, r) {
                return e.AllowMatrixDecomposeForInterpolation ? r ? (P.DecomposeLerpToRef(t, i, n, r),
                r) : P.DecomposeLerp(t, i, n) : r ? (P.LerpToRef(t, i, n, r),
                r) : P.Lerp(t, i, n)
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this.name,this.targetPropertyPath.join("."),this.framePerSecond,this.dataType,this.loopMode);
                if (t.enableBlending = this.enableBlending,
                t.blendingSpeed = this.blendingSpeed,
                this._keys && t.setKeys(this._keys),
                this._ranges)
                    for (var i in t._ranges = {},
                    this._ranges) {
                        var n = this._ranges[i];
                        n && (t._ranges[i] = n.clone())
                    }
                return t
            }
            ,
            e.prototype.setKeys = function(e) {
                this._keys = e.slice(0)
            }
            ,
            e.prototype.serialize = function() {
                var t = {};
                t.name = this.name,
                t.property = this.targetProperty,
                t.framePerSecond = this.framePerSecond,
                t.dataType = this.dataType,
                t.loopBehavior = this.loopMode,
                t.enableBlending = this.enableBlending,
                t.blendingSpeed = this.blendingSpeed;
                var i = this.dataType;
                t.keys = [];
                for (var n = this.getKeys(), r = 0; r < n.length; r++) {
                    var o = n[r]
                      , a = {};
                    switch (a.frame = o.frame,
                    i) {
                    case e.ANIMATIONTYPE_FLOAT:
                        a.values = [o.value],
                        void 0 !== o.inTangent && a.values.push(o.inTangent),
                        void 0 !== o.outTangent && (void 0 === o.inTangent && a.values.push(void 0),
                        a.values.push(o.outTangent)),
                        void 0 !== o.interpolation && (void 0 === o.inTangent && a.values.push(void 0),
                        void 0 === o.outTangent && a.values.push(void 0),
                        a.values.push(o.interpolation));
                        break;
                    case e.ANIMATIONTYPE_QUATERNION:
                    case e.ANIMATIONTYPE_MATRIX:
                    case e.ANIMATIONTYPE_VECTOR3:
                    case e.ANIMATIONTYPE_COLOR3:
                    case e.ANIMATIONTYPE_COLOR4:
                        a.values = o.value.asArray(),
                        null != o.inTangent && a.values.push(o.inTangent.asArray()),
                        null != o.outTangent && (void 0 === o.inTangent && a.values.push(void 0),
                        a.values.push(o.outTangent.asArray())),
                        void 0 !== o.interpolation && (void 0 === o.inTangent && a.values.push(void 0),
                        void 0 === o.outTangent && a.values.push(void 0),
                        a.values.push(o.interpolation))
                    }
                    t.keys.push(a)
                }
                for (var s in t.ranges = [],
                this._ranges) {
                    var l = this._ranges[s];
                    if (l) {
                        var c = {};
                        c.name = s,
                        c.from = l.from,
                        c.to = l.to,
                        t.ranges.push(c)
                    }
                }
                return t
            }
            ,
            e._UniversalLerp = function(e, t, i) {
                var n = e.constructor;
                return n.Lerp ? n.Lerp(e, t, i) : n.Slerp ? n.Slerp(e, t, i) : e.toFixed ? e * (1 - i) + i * t : t
            }
            ,
            e.Parse = function(t) {
                var i, n, r = new e(t.name,t.property,t.framePerSecond,t.dataType,t.loopBehavior), o = t.dataType, a = [];
                for (t.enableBlending && (r.enableBlending = t.enableBlending),
                t.blendingSpeed && (r.blendingSpeed = t.blendingSpeed),
                n = 0; n < t.keys.length; n++) {
                    var s = t.keys[n]
                      , l = void 0
                      , c = void 0
                      , u = void 0;
                    switch (o) {
                    case e.ANIMATIONTYPE_FLOAT:
                        i = s.values[0],
                        s.values.length >= 2 && (l = s.values[1]),
                        s.values.length >= 3 && (c = s.values[2]),
                        s.values.length >= 4 && (u = s.values[3]);
                        break;
                    case e.ANIMATIONTYPE_QUATERNION:
                        if (i = C.FromArray(s.values),
                        s.values.length >= 8) {
                            var h = C.FromArray(s.values.slice(4, 8));
                            h.equals(C.Zero()) || (l = h)
                        }
                        if (s.values.length >= 12) {
                            var d = C.FromArray(s.values.slice(8, 12));
                            d.equals(C.Zero()) || (c = d)
                        }
                        s.values.length >= 13 && (u = s.values[12]);
                        break;
                    case e.ANIMATIONTYPE_MATRIX:
                        i = P.FromArray(s.values),
                        s.values.length >= 17 && (u = s.values[16]);
                        break;
                    case e.ANIMATIONTYPE_COLOR3:
                        i = D.FromArray(s.values),
                        s.values[3] && (l = D.FromArray(s.values[3])),
                        s.values[4] && (c = D.FromArray(s.values[4])),
                        s.values[5] && (u = s.values[5]);
                        break;
                    case e.ANIMATIONTYPE_COLOR4:
                        i = N.FromArray(s.values),
                        s.values[4] && (l = N.FromArray(s.values[4])),
                        s.values[5] && (c = N.FromArray(s.values[5])),
                        s.values[6] && (u = N.FromArray(s.values[6]));
                        break;
                    case e.ANIMATIONTYPE_VECTOR3:
                    default:
                        i = x.FromArray(s.values),
                        s.values[3] && (l = x.FromArray(s.values[3])),
                        s.values[4] && (c = x.FromArray(s.values[4])),
                        s.values[5] && (u = s.values[5])
                    }
                    var p = {};
                    p.frame = s.frame,
                    p.value = i,
                    null != l && (p.inTangent = l),
                    null != c && (p.outTangent = c),
                    null != u && (p.interpolation = u),
                    a.push(p)
                }
                if (r.setKeys(a),
                t.ranges)
                    for (n = 0; n < t.ranges.length; n++)
                        i = t.ranges[n],
                        r.createRange(i.name, i.from, i.to);
                return r
            }
            ,
            e.AppendSerializedAnimations = function(e, t) {
                Ge.AppendSerializedAnimations(e, t)
            }
            ,
            e.ParseFromFileAsync = function(e, t) {
                var i = this;
                return new Promise((function(n, r) {
                    var o = new Ye;
                    o.addEventListener("readystatechange", (function() {
                        if (4 == o.readyState)
                            if (200 == o.status) {
                                var t = JSON.parse(o.responseText);
                                if (t.animations && (t = t.animations),
                                t.length) {
                                    for (var a = new Array, s = 0, l = t; s < l.length; s++) {
                                        var c = l[s];
                                        a.push(i.Parse(c))
                                    }
                                    n(a)
                                } else
                                    a = i.Parse(t),
                                    e && (a.name = e),
                                    n(a)
                            } else
                                r("Unable to load the animation")
                    }
                    )),
                    o.open("GET", t),
                    o.send()
                }
                ))
            }
            ,
            e.CreateFromSnippetAsync = function(e) {
                var t = this;
                return new Promise((function(i, n) {
                    var r = new Ye;
                    r.addEventListener("readystatechange", (function() {
                        if (4 == r.readyState)
                            if (200 == r.status) {
                                var o = JSON.parse(JSON.parse(r.responseText).jsonPayload);
                                if (o.animations) {
                                    for (var a = JSON.parse(o.animations), s = new Array, l = 0, c = a.animations; l < c.length; l++) {
                                        var u = c[l];
                                        (h = t.Parse(u)).snippetId = e,
                                        s.push(h)
                                    }
                                    i(s)
                                } else {
                                    var h;
                                    a = JSON.parse(o.animation),
                                    (h = t.Parse(a)).snippetId = e,
                                    i(h)
                                }
                            } else
                                n("Unable to load the snippet " + e)
                    }
                    )),
                    r.open("GET", t.SnippetUrl + "/" + e.replace(/#/g, "/")),
                    r.send()
                }
                ))
            }
            ,
            e._UniqueIdGenerator = 0,
            e.AllowMatricesInterpolation = !1,
            e.AllowMatrixDecomposeForInterpolation = !0,
            e.SnippetUrl = "https://snippet.babylonjs.com",
            e.ANIMATIONTYPE_FLOAT = 0,
            e.ANIMATIONTYPE_VECTOR3 = 1,
            e.ANIMATIONTYPE_QUATERNION = 2,
            e.ANIMATIONTYPE_MATRIX = 3,
            e.ANIMATIONTYPE_COLOR3 = 4,
            e.ANIMATIONTYPE_COLOR4 = 7,
            e.ANIMATIONTYPE_VECTOR2 = 5,
            e.ANIMATIONTYPE_SIZE = 6,
            e.ANIMATIONLOOPMODE_RELATIVE = 0,
            e.ANIMATIONLOOPMODE_CYCLE = 1,
            e.ANIMATIONLOOPMODE_CONSTANT = 2,
            e
        }();
        y("BABYLON.Animation", Qe),
        Xe._AnimationRangeFactory = function(e, t, i) {
            return new We(e,t,i)
        }
        ;
        var qe = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                void 0 === o && (o = 1e3);
                var c = e.call(this, t, a) || this;
                return c.duration = 1e3,
                c.onInterpolationDoneObservable = new h,
                c.propertyPath = n,
                c.value = r,
                c.duration = o,
                c.stopOtherAnimations = s,
                c.onInterpolationDone = l,
                c._target = c._effectiveTarget = i,
                c
            }
            return U(t, e),
            t.prototype._prepare = function() {
                this._effectiveTarget = this._getEffectiveTarget(this._effectiveTarget, this.propertyPath),
                this._property = this._getProperty(this.propertyPath)
            }
            ,
            t.prototype.execute = function() {
                var e, t = this, i = this._actionManager.getScene(), n = [{
                    frame: 0,
                    value: this._effectiveTarget[this._property]
                }, {
                    frame: 100,
                    value: this.value
                }];
                if ("number" == typeof this.value)
                    e = Qe.ANIMATIONTYPE_FLOAT;
                else if (this.value instanceof D)
                    e = Qe.ANIMATIONTYPE_COLOR3;
                else if (this.value instanceof x)
                    e = Qe.ANIMATIONTYPE_VECTOR3;
                else if (this.value instanceof P)
                    e = Qe.ANIMATIONTYPE_MATRIX;
                else {
                    if (!(this.value instanceof C))
                        return void K.Warn("InterpolateValueAction: Unsupported type (" + typeof this.value + ")");
                    e = Qe.ANIMATIONTYPE_QUATERNION
                }
                var r = new Qe("InterpolateValueAction",this._property,1e3 / this.duration * 100,e,Qe.ANIMATIONLOOPMODE_CONSTANT);
                r.setKeys(n),
                this.stopOtherAnimations && i.stopAnimation(this._effectiveTarget),
                i.beginDirectAnimation(this._effectiveTarget, [r], 0, 100, !1, 1, (function() {
                    t.onInterpolationDoneObservable.notifyObservers(t),
                    t.onInterpolationDone && t.onInterpolationDone()
                }
                ))
            }
            ,
            t.prototype.serialize = function(t) {
                return e.prototype._serialize.call(this, {
                    name: "InterpolateValueAction",
                    properties: [F._GetTargetProperty(this._target), {
                        name: "propertyPath",
                        value: this.propertyPath
                    }, {
                        name: "value",
                        value: F._SerializeValueAsString(this.value)
                    }, {
                        name: "duration",
                        value: F._SerializeValueAsString(this.duration)
                    }, {
                        name: "stopOtherAnimations",
                        value: F._SerializeValueAsString(this.stopOtherAnimations) || !1
                    }]
                }, t)
            }
            ,
            t
        }(F);
        y("BABYLON.InterpolateValueAction", qe);
        var Ze = Object.freeze(new C(0,0,0,0))
          , Je = Object.freeze(x.Zero())
          , $e = Object.freeze(A.Zero())
          , et = Object.freeze(je.Zero())
          , tt = Object.freeze(D.Black())
          , it = function() {
            function e(e, t, i, n) {
                var r = this;
                if (this._events = new Array,
                this._currentFrame = 0,
                this._originalValue = new Array,
                this._originalBlendValue = null,
                this._offsetsCache = {},
                this._highLimitsCache = {},
                this._stopped = !1,
                this._blendingFactor = 0,
                this._currentValue = null,
                this._currentActiveTarget = null,
                this._directTarget = null,
                this._targetPath = "",
                this._weight = 1,
                this._ratioOffset = 0,
                this._previousDelay = 0,
                this._previousRatio = 0,
                this._targetIsArray = !1,
                this._animation = t,
                this._target = e,
                this._scene = i,
                this._host = n,
                this._activeTargets = [],
                t._runtimeAnimations.push(this),
                this._animationState = {
                    key: 0,
                    repeatCount: 0,
                    loopMode: this._getCorrectLoopMode()
                },
                this._animation.dataType === Qe.ANIMATIONTYPE_MATRIX && (this._animationState.workValue = P.Zero()),
                this._keys = this._animation.getKeys(),
                this._minFrame = this._keys[0].frame,
                this._maxFrame = this._keys[this._keys.length - 1].frame,
                this._minValue = this._keys[0].value,
                this._maxValue = this._keys[this._keys.length - 1].value,
                0 !== this._minFrame) {
                    var o = {
                        frame: 0,
                        value: this._minValue
                    };
                    this._keys.splice(0, 0, o)
                }
                if (this._target instanceof Array) {
                    for (var a = 0, s = 0, l = this._target; s < l.length; s++) {
                        var c = l[s];
                        this._preparePath(c, a),
                        this._getOriginalValues(a),
                        a++
                    }
                    this._targetIsArray = !0
                } else
                    this._preparePath(this._target),
                    this._getOriginalValues(),
                    this._targetIsArray = !1,
                    this._directTarget = this._activeTargets[0];
                var u = t.getEvents();
                u && u.length > 0 && u.forEach((function(e) {
                    r._events.push(e._clone())
                }
                )),
                this._enableBlending = e && e.animationPropertiesOverride ? e.animationPropertiesOverride.enableBlending : this._animation.enableBlending
            }
            return Object.defineProperty(e.prototype, "currentFrame", {
                get: function() {
                    return this._currentFrame
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "weight", {
                get: function() {
                    return this._weight
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentValue", {
                get: function() {
                    return this._currentValue
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "targetPath", {
                get: function() {
                    return this._targetPath
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "target", {
                get: function() {
                    return this._currentActiveTarget
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isAdditive", {
                get: function() {
                    return this._host && this._host.isAdditive
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._preparePath = function(e, t) {
                void 0 === t && (t = 0);
                var i = this._animation.targetPropertyPath;
                if (i.length > 1) {
                    for (var n = e[i[0]], r = 1; r < i.length - 1; r++)
                        n = n[i[r]];
                    this._targetPath = i[i.length - 1],
                    this._activeTargets[t] = n
                } else
                    this._targetPath = i[0],
                    this._activeTargets[t] = e
            }
            ,
            Object.defineProperty(e.prototype, "animation", {
                get: function() {
                    return this._animation
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function(e) {
                if (void 0 === e && (e = !1),
                e)
                    if (this._target instanceof Array)
                        for (var t = 0, i = 0, n = this._target; i < n.length; i++) {
                            var r = n[i];
                            void 0 !== this._originalValue[t] && this._setValue(r, this._activeTargets[t], this._originalValue[t], -1, t),
                            t++
                        }
                    else
                        void 0 !== this._originalValue[0] && this._setValue(this._target, this._directTarget, this._originalValue[0], -1, 0);
                for (this._offsetsCache = {},
                this._highLimitsCache = {},
                this._currentFrame = 0,
                this._blendingFactor = 0,
                t = 0; t < this._events.length; t++)
                    this._events[t].isDone = !1
            }
            ,
            e.prototype.isStopped = function() {
                return this._stopped
            }
            ,
            e.prototype.dispose = function() {
                var e = this._animation.runtimeAnimations.indexOf(this);
                e > -1 && this._animation.runtimeAnimations.splice(e, 1)
            }
            ,
            e.prototype.setValue = function(e, t) {
                if (this._targetIsArray)
                    for (var i = 0; i < this._target.length; i++) {
                        var n = this._target[i];
                        this._setValue(n, this._activeTargets[i], e, t, i)
                    }
                else
                    this._setValue(this._target, this._directTarget, e, t, 0)
            }
            ,
            e.prototype._getOriginalValues = function(e) {
                var t;
                void 0 === e && (e = 0);
                var i = this._activeTargets[e];
                (t = i.getRestPose && "_matrix" === this._targetPath ? i.getRestPose() : i[this._targetPath]) && t.clone ? this._originalValue[e] = t.clone() : this._originalValue[e] = t
            }
            ,
            e.prototype._setValue = function(e, t, i, n, r) {
                if (this._currentActiveTarget = t,
                this._weight = n,
                this._enableBlending && this._blendingFactor <= 1) {
                    if (!this._originalBlendValue) {
                        var o = t[this._targetPath];
                        o.clone ? this._originalBlendValue = o.clone() : this._originalBlendValue = o
                    }
                    this._originalBlendValue.m ? Qe.AllowMatrixDecomposeForInterpolation ? this._currentValue ? P.DecomposeLerpToRef(this._originalBlendValue, i, this._blendingFactor, this._currentValue) : this._currentValue = P.DecomposeLerp(this._originalBlendValue, i, this._blendingFactor) : this._currentValue ? P.LerpToRef(this._originalBlendValue, i, this._blendingFactor, this._currentValue) : this._currentValue = P.Lerp(this._originalBlendValue, i, this._blendingFactor) : this._currentValue = Qe._UniversalLerp(this._originalBlendValue, i, this._blendingFactor);
                    var a = e && e.animationPropertiesOverride ? e.animationPropertiesOverride.blendingSpeed : this._animation.blendingSpeed;
                    this._blendingFactor += a
                } else
                    this._currentValue ? this._currentValue.copyFrom ? this._currentValue.copyFrom(i) : this._currentValue = i : (null == i ? void 0 : i.clone) ? this._currentValue = i.clone() : this._currentValue = i;
                -1 !== n ? this._scene._registerTargetForLateAnimationBinding(this, this._originalValue[r]) : t[this._targetPath] = this._currentValue,
                e.markAsDirty && e.markAsDirty(this._animation.targetProperty)
            }
            ,
            e.prototype._getCorrectLoopMode = function() {
                return this._target && this._target.animationPropertiesOverride ? this._target.animationPropertiesOverride.loopMode : this._animation.loopMode
            }
            ,
            e.prototype.goToFrame = function(e) {
                var t = this._animation.getKeys();
                e < t[0].frame ? e = t[0].frame : e > t[t.length - 1].frame && (e = t[t.length - 1].frame);
                var i = this._events;
                if (i.length)
                    for (var n = 0; n < i.length; n++)
                        i[n].onlyOnce || (i[n].isDone = i[n].frame < e);
                this._currentFrame = e;
                var r = this._animation._interpolate(e, this._animationState);
                this.setValue(r, -1)
            }
            ,
            e.prototype._prepareForSpeedRatioChange = function(e) {
                var t = this._previousDelay * (this._animation.framePerSecond * e) / 1e3;
                this._ratioOffset = this._previousRatio - t
            }
            ,
            e.prototype.animate = function(e, t, i, n, r, o) {
                void 0 === o && (o = -1);
                var a = this._animation
                  , s = a.targetPropertyPath;
                if (!s || s.length < 1)
                    return this._stopped = !0,
                    !1;
                var l = !0;
                (t < this._minFrame || t > this._maxFrame) && (t = this._minFrame),
                (i < this._minFrame || i > this._maxFrame) && (i = this._maxFrame);
                var c, u, h = i - t, d = e * (a.framePerSecond * r) / 1e3 + this._ratioOffset, p = 0;
                if (this._previousDelay = e,
                this._previousRatio = d,
                !n && i >= t && d >= h)
                    l = !1,
                    p = a._getKeyValue(this._maxValue);
                else if (!n && t >= i && d <= h)
                    l = !1,
                    p = a._getKeyValue(this._minValue);
                else if (this._animationState.loopMode !== Qe.ANIMATIONLOOPMODE_CYCLE) {
                    var f = i.toString() + t.toString();
                    if (!this._offsetsCache[f]) {
                        this._animationState.repeatCount = 0,
                        this._animationState.loopMode = Qe.ANIMATIONLOOPMODE_CYCLE;
                        var _ = a._interpolate(t, this._animationState)
                          , m = a._interpolate(i, this._animationState);
                        switch (this._animationState.loopMode = this._getCorrectLoopMode(),
                        a.dataType) {
                        case Qe.ANIMATIONTYPE_FLOAT:
                            this._offsetsCache[f] = m - _;
                            break;
                        case Qe.ANIMATIONTYPE_QUATERNION:
                        case Qe.ANIMATIONTYPE_VECTOR3:
                        case Qe.ANIMATIONTYPE_VECTOR2:
                        case Qe.ANIMATIONTYPE_SIZE:
                        case Qe.ANIMATIONTYPE_COLOR3:
                            this._offsetsCache[f] = m.subtract(_)
                        }
                        this._highLimitsCache[f] = m
                    }
                    p = this._highLimitsCache[f],
                    c = this._offsetsCache[f]
                }
                if (void 0 === c)
                    switch (a.dataType) {
                    case Qe.ANIMATIONTYPE_FLOAT:
                        c = 0;
                        break;
                    case Qe.ANIMATIONTYPE_QUATERNION:
                        c = Ze;
                        break;
                    case Qe.ANIMATIONTYPE_VECTOR3:
                        c = Je;
                        break;
                    case Qe.ANIMATIONTYPE_VECTOR2:
                        c = $e;
                        break;
                    case Qe.ANIMATIONTYPE_SIZE:
                        c = et;
                        break;
                    case Qe.ANIMATIONTYPE_COLOR3:
                        c = tt
                    }
                if (this._host && this._host.syncRoot) {
                    var g = this._host.syncRoot;
                    u = t + (i - t) * ((g.masterFrame - g.fromFrame) / (g.toFrame - g.fromFrame))
                } else
                    u = d > 0 && t > i || d < 0 && t < i ? l && 0 !== h ? i + d % h : t : l && 0 !== h ? t + d % h : i;
                var v = this._events;
                if ((r > 0 && this.currentFrame > u || r < 0 && this.currentFrame < u) && (this._onLoop(),
                v.length))
                    for (var y = 0; y < v.length; y++)
                        v[y].onlyOnce || (v[y].isDone = !1);
                this._currentFrame = u,
                this._animationState.repeatCount = 0 === h ? 0 : d / h >> 0,
                this._animationState.highLimitValue = p,
                this._animationState.offsetValue = c;
                var b = a._interpolate(u, this._animationState);
                if (this.setValue(b, o),
                v.length)
                    for (y = 0; y < v.length; y++)
                        if (h > 0 && u >= v[y].frame && v[y].frame >= t || h < 0 && u <= v[y].frame && v[y].frame <= t) {
                            var T = v[y];
                            T.isDone || (T.onlyOnce && (v.splice(y, 1),
                            y--),
                            T.isDone = !0,
                            T.action(u))
                        }
                return l || (this._stopped = !0),
                l
            }
            ,
            e
        }();
        function nt() {
            return "undefined" != typeof window
        }
        function rt() {
            return "undefined" != typeof navigator
        }
        function ot() {
            return "undefined" != typeof document
        }
        function at(e) {
            for (var t = "", i = e.firstChild; i; )
                3 === i.nodeType && (t += i.textContent),
                i = i.nextSibling;
            return t
        }
        var st, lt = {
            IsWindowObjectExist: nt,
            IsNavigatorAvailable: rt,
            IsDocumentAvailable: ot,
            GetDOMTextContent: at
        }, ct = function() {
            function e() {}
            return Object.defineProperty(e, "Now", {
                get: function() {
                    return lt.IsWindowObjectExist() && window.performance && window.performance.now ? window.performance.now() : Date.now()
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), ut = function() {
            function e() {}
            return e.FilesToLoad = {},
            e
        }(), ht = function() {
            function e() {}
            return e.ExponentialBackoff = function(e, t) {
                return void 0 === e && (e = 3),
                void 0 === t && (t = 500),
                function(i, n, r) {
                    return 0 !== n.status || r >= e || -1 !== i.indexOf("file:") ? -1 : Math.pow(2, r) * t
                }
            }
            ,
            e
        }(), dt = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t._setPrototypeOf = Object.setPrototypeOf || function(e, t) {
                return e.__proto__ = t,
                e
            }
            ,
            t
        }(Error), pt = {
            MeshInvalidPositionsError: 0,
            UnsupportedTextureError: 1e3,
            GLTFLoaderUnexpectedMagicError: 2e3,
            SceneLoaderError: 3e3,
            LoadFileError: 4e3,
            RequestFileError: 4001,
            ReadFileError: 4002
        }, ft = function(e) {
            function t(i, n, r) {
                var o = e.call(this, i) || this;
                return o.errorCode = n,
                o.innerError = r,
                o.name = "RuntimeError",
                dt._setPrototypeOf(o, t.prototype),
                o
            }
            return U(t, e),
            t
        }(dt), _t = function() {
            function e() {
                this.children = []
            }
            return e.prototype.isValid = function(e) {
                return !0
            }
            ,
            e.prototype.process = function(e, t) {
                var i = "";
                if (this.line) {
                    var n = this.line
                      , r = t.processor;
                    r && (r.lineProcessor && (n = r.lineProcessor(n, t.isFragment, t.processingContext)),
                    r.attributeProcessor && ae(this.line, "attribute") ? n = r.attributeProcessor(this.line, e, t.processingContext) : r.varyingProcessor && ae(this.line, "varying") ? n = r.varyingProcessor(this.line, t.isFragment, e, t.processingContext) : r.uniformProcessor && r.uniformRegexp && r.uniformRegexp.test(this.line) ? t.lookForClosingBracketForUniformBuffer || (n = r.uniformProcessor(this.line, t.isFragment, e, t.processingContext)) : r.uniformBufferProcessor && r.uniformBufferRegexp && r.uniformBufferRegexp.test(this.line) ? t.lookForClosingBracketForUniformBuffer || (n = r.uniformBufferProcessor(this.line, t.isFragment, t.processingContext),
                    t.lookForClosingBracketForUniformBuffer = !0) : r.textureProcessor && r.textureRegexp && r.textureRegexp.test(this.line) ? n = r.textureProcessor(this.line, t.isFragment, e, t.processingContext) : (r.uniformProcessor || r.uniformBufferProcessor) && ae(this.line, "uniform") && !t.lookForClosingBracketForUniformBuffer && (/uniform\s+(?:(?:highp)?|(?:lowp)?)\s*(\S+)\s+(\S+)\s*;/.test(this.line) ? r.uniformProcessor && (n = r.uniformProcessor(this.line, t.isFragment, e, t.processingContext)) : r.uniformBufferProcessor && (n = r.uniformBufferProcessor(this.line, t.isFragment, t.processingContext),
                    t.lookForClosingBracketForUniformBuffer = !0)),
                    t.lookForClosingBracketForUniformBuffer && -1 !== this.line.indexOf("}") && (t.lookForClosingBracketForUniformBuffer = !1,
                    r.endOfUniformBufferProcessor && (n = r.endOfUniformBufferProcessor(this.line, t.isFragment, t.processingContext)))),
                    i += n + "\r\n"
                }
                return this.children.forEach((function(n) {
                    i += n.process(e, t)
                }
                )),
                this.additionalDefineKey && (e[this.additionalDefineKey] = this.additionalDefineValue || "true"),
                i
            }
            ,
            e
        }(), mt = function() {
            function e() {}
            return Object.defineProperty(e.prototype, "currentLine", {
                get: function() {
                    return this._lines[this.lineIndex]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "canRead", {
                get: function() {
                    return this.lineIndex < this._lines.length - 1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "lines", {
                set: function(e) {
                    this._lines = [];
                    for (var t = 0, i = e; t < i.length; t++) {
                        var n = i[t];
                        if ("#" !== n[0])
                            for (var r = n.split(";"), o = 0; o < r.length; o++) {
                                var a = r[o];
                                (a = a.trim()) && this._lines.push(a + (o !== r.length - 1 ? ";" : ""))
                            }
                        else
                            this._lines.push(n)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), gt = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.process = function(e, t) {
                for (var i = 0; i < this.children.length; i++) {
                    var n = this.children[i];
                    if (n.isValid(e))
                        return n.process(e, t)
                }
                return ""
            }
            ,
            t
        }(_t), vt = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.isValid = function(e) {
                return this.testExpression.isTrue(e)
            }
            ,
            t
        }(_t), yt = function() {
            function e() {}
            return e.prototype.isTrue = function(e) {
                return !0
            }
            ,
            e.postfixToInfix = function(t) {
                for (var i = [], n = 0, r = t; n < r.length; n++) {
                    var o = r[n];
                    if (void 0 === e._OperatorPriority[o])
                        i.push(o);
                    else {
                        var a = i[i.length - 1]
                          , s = i[i.length - 2];
                        i.length -= 2,
                        i.push("(".concat(s).concat(o).concat(a, ")"))
                    }
                }
                return i[i.length - 1]
            }
            ,
            e.infixToPostfix = function(t) {
                for (var i = [], n = -1, r = function() {
                    "" !== (c = c.trim()) && (i.push(c),
                    c = "")
                }, o = function(t) {
                    n < e._Stack.length - 1 && (e._Stack[++n] = t)
                }, a = function() {
                    return e._Stack[n]
                }, s = function() {
                    return -1 === n ? "!!INVALID EXPRESSION!!" : e._Stack[n--]
                }, l = 0, c = ""; l < t.length; ) {
                    var u = t.charAt(l)
                      , h = l < t.length - 1 ? t.substr(l, 2) : "";
                    if ("(" === u)
                        c = "",
                        o(u);
                    else if (")" === u) {
                        for (r(); -1 !== n && "(" !== a(); )
                            i.push(s());
                        s()
                    } else if (e._OperatorPriority[h] > 1) {
                        for (r(); -1 !== n && e._OperatorPriority[a()] >= e._OperatorPriority[h]; )
                            i.push(s());
                        o(h),
                        l++
                    } else
                        c += u;
                    l++
                }
                for (r(); -1 !== n; )
                    "(" === a() ? s() : i.push(s());
                return i
            }
            ,
            e._OperatorPriority = {
                ")": 0,
                "(": 1,
                "||": 2,
                "&&": 3
            },
            e._Stack = ["", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ""],
            e
        }(), bt = function(e) {
            function t(t, i) {
                void 0 === i && (i = !1);
                var n = e.call(this) || this;
                return n.define = t,
                n.not = i,
                n
            }
            return U(t, e),
            t.prototype.isTrue = function(e) {
                var t = void 0 !== e[this.define];
                return this.not && (t = !t),
                t
            }
            ,
            t
        }(yt), Tt = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.isTrue = function(e) {
                return this.leftOperand.isTrue(e) || this.rightOperand.isTrue(e)
            }
            ,
            t
        }(yt), Et = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.isTrue = function(e) {
                return this.leftOperand.isTrue(e) && this.rightOperand.isTrue(e)
            }
            ,
            t
        }(yt), St = function(e) {
            function t(t, i, n) {
                var r = e.call(this) || this;
                return r.define = t,
                r.operand = i,
                r.testValue = n,
                r
            }
            return U(t, e),
            t.prototype.isTrue = function(e) {
                var t = e[this.define];
                void 0 === t && (t = this.define);
                var i = !1
                  , n = parseInt(t)
                  , r = parseInt(this.testValue);
                switch (this.operand) {
                case ">":
                    i = n > r;
                    break;
                case "<":
                    i = n < r;
                    break;
                case "<=":
                    i = n <= r;
                    break;
                case ">=":
                    i = n >= r;
                    break;
                case "==":
                    i = n === r
                }
                return i
            }
            ,
            t
        }(yt);
        !function(e) {
            e[e.GLSL = 0] = "GLSL",
            e[e.WGSL = 1] = "WGSL"
        }(st || (st = {}));
        var At, xt = /defined\s*?\((.+?)\)/g, Rt = /defined\s*?\[(.+?)\]/g, Ct = function() {
            function e() {}
            return e.Initialize = function(e) {
                e.processor && e.processor.initializeShaders && e.processor.initializeShaders(e.processingContext)
            }
            ,
            e.Process = function(e, t, i, n) {
                var r, o = this;
                (null === (r = t.processor) || void 0 === r ? void 0 : r.preProcessShaderCode) && (e = t.processor.preProcessShaderCode(e, t.isFragment)),
                this._ProcessIncludes(e, t, (function(e) {
                    t.processCodeAfterIncludes && (e = t.processCodeAfterIncludes(t.isFragment ? "fragment" : "vertex", e));
                    var r = o._ProcessShaderConversion(e, t, n);
                    i(r)
                }
                ))
            }
            ,
            e.PreProcess = function(e, t, i, n) {
                var r, o = this;
                (null === (r = t.processor) || void 0 === r ? void 0 : r.preProcessShaderCode) && (e = t.processor.preProcessShaderCode(e, t.isFragment)),
                this._ProcessIncludes(e, t, (function(e) {
                    t.processCodeAfterIncludes && (e = t.processCodeAfterIncludes(t.isFragment ? "fragment" : "vertex", e));
                    var r = o._ApplyPreProcessing(e, t, n);
                    i(r)
                }
                ))
            }
            ,
            e.Finalize = function(e, t, i) {
                return i.processor && i.processor.finalizeShaders ? i.processor.finalizeShaders(e, t, i.processingContext) : {
                    vertexCode: e,
                    fragmentCode: t
                }
            }
            ,
            e._ProcessPrecision = function(e, t) {
                var i;
                if (null === (i = t.processor) || void 0 === i ? void 0 : i.noPrecision)
                    return e;
                var n = t.shouldUseHighPrecisionShader;
                return -1 === e.indexOf("precision highp float") ? e = n ? "precision highp float;\n" + e : "precision mediump float;\n" + e : n || (e = e.replace("precision highp float", "precision mediump float")),
                e
            }
            ,
            e._ExtractOperation = function(e) {
                var t = /defined\((.+)\)/.exec(e);
                if (t && t.length)
                    return new bt(t[1].trim(),"!" === e[0]);
                for (var i = "", n = 0, r = 0, o = ["==", ">=", "<=", "<", ">"]; r < o.length && (i = o[r],
                !((n = e.indexOf(i)) > -1)); r++)
                    ;
                if (-1 === n)
                    return new bt(e);
                var a = e.substring(0, n).trim()
                  , s = e.substring(n + i.length).trim();
                return new St(a,i,s)
            }
            ,
            e._BuildSubExpression = function(e) {
                e = e.replace(xt, "defined[$1]");
                for (var t = [], i = 0, n = yt.infixToPostfix(e); i < n.length; i++) {
                    var r = n[i];
                    if ("||" !== r && "&&" !== r)
                        t.push(r);
                    else if (t.length >= 2) {
                        var o = t[t.length - 1]
                          , a = t[t.length - 2];
                        t.length -= 2;
                        var s = "&&" == r ? new Et : new Tt;
                        "string" == typeof o && (o = o.replace(Rt, "defined($1)")),
                        "string" == typeof a && (a = a.replace(Rt, "defined($1)")),
                        s.leftOperand = "string" == typeof a ? this._ExtractOperation(a) : a,
                        s.rightOperand = "string" == typeof o ? this._ExtractOperation(o) : o,
                        t.push(s)
                    }
                }
                var l = t[t.length - 1];
                return "string" == typeof l && (l = l.replace(Rt, "defined($1)")),
                "string" == typeof l ? this._ExtractOperation(l) : l
            }
            ,
            e._BuildExpression = function(e, t) {
                var i = new vt
                  , n = e.substring(0, t)
                  , r = e.substring(t);
                return r = r.substring(0, (r.indexOf("//") + 1 || r.length + 1) - 1).trim(),
                i.testExpression = "#ifdef" === n ? new bt(r) : "#ifndef" === n ? new bt(r,!0) : this._BuildSubExpression(r),
                i
            }
            ,
            e._MoveCursorWithinIf = function(e, t, i) {
                for (var n = e.currentLine; this._MoveCursor(e, i); ) {
                    var r = (n = e.currentLine).substring(0, 5).toLowerCase();
                    if ("#else" === r) {
                        var o = new _t;
                        return t.children.push(o),
                        void this._MoveCursor(e, o)
                    }
                    if ("#elif" === r) {
                        var a = this._BuildExpression(n, 5);
                        t.children.push(a),
                        i = a
                    }
                }
            }
            ,
            e._MoveCursor = function(e, t) {
                for (; e.canRead; ) {
                    e.lineIndex++;
                    var i = e.currentLine
                      , n = /(#ifdef)|(#else)|(#elif)|(#endif)|(#ifndef)|(#if)/.exec(i);
                    if (n && n.length)
                        switch (n[0]) {
                        case "#ifdef":
                            var r = new gt;
                            t.children.push(r);
                            var o = this._BuildExpression(i, 6);
                            r.children.push(o),
                            this._MoveCursorWithinIf(e, r, o);
                            break;
                        case "#else":
                        case "#elif":
                            return !0;
                        case "#endif":
                            return !1;
                        case "#ifndef":
                            r = new gt,
                            t.children.push(r),
                            o = this._BuildExpression(i, 7),
                            r.children.push(o),
                            this._MoveCursorWithinIf(e, r, o);
                            break;
                        case "#if":
                            r = new gt,
                            o = this._BuildExpression(i, 3),
                            t.children.push(r),
                            r.children.push(o),
                            this._MoveCursorWithinIf(e, r, o)
                        }
                    else {
                        var a = new _t;
                        if (a.line = i,
                        t.children.push(a),
                        "#" === i[0] && "d" === i[1]) {
                            var s = i.replace(";", "").split(" ");
                            a.additionalDefineKey = s[1],
                            3 === s.length && (a.additionalDefineValue = s[2])
                        }
                    }
                }
                return !1
            }
            ,
            e._EvaluatePreProcessors = function(e, t, i) {
                var n = new _t
                  , r = new mt;
                return r.lineIndex = -1,
                r.lines = e.split("\n"),
                this._MoveCursor(r, n),
                n.process(t, i)
            }
            ,
            e._PreparePreProcessors = function(e, t) {
                for (var i, n = {}, r = 0, o = e.defines; r < o.length; r++) {
                    var a = o[r].replace("#define", "").replace(";", "").trim().split(" ");
                    n[a[0]] = a.length > 1 ? a[1] : ""
                }
                return (null === (i = e.processor) || void 0 === i ? void 0 : i.shaderLanguage) === st.GLSL && (n.GL_ES = "true"),
                n.__VERSION__ = e.version,
                n[e.platformName] = "true",
                t._getGlobalDefines(n),
                n
            }
            ,
            e._ProcessShaderConversion = function(e, t, i) {
                var n = this._ProcessPrecision(e, t);
                if (!t.processor)
                    return n;
                if (t.processor.shaderLanguage === st.GLSL && -1 !== n.indexOf("#version 3"))
                    return n.replace("#version 300 es", "");
                var r = t.defines
                  , o = this._PreparePreProcessors(t, i);
                return t.processor.preProcessor && (n = t.processor.preProcessor(n, r, t.isFragment, t.processingContext)),
                n = this._EvaluatePreProcessors(n, o, t),
                t.processor.postProcessor && (n = t.processor.postProcessor(n, r, t.isFragment, t.processingContext, i)),
                i._features.needShaderCodeInlining && (n = i.inlineShaderCode(n)),
                n
            }
            ,
            e._ApplyPreProcessing = function(e, t, i) {
                var n, r, o = e, a = t.defines, s = this._PreparePreProcessors(t, i);
                return (null === (n = t.processor) || void 0 === n ? void 0 : n.preProcessor) && (o = t.processor.preProcessor(o, a, t.isFragment, t.processingContext)),
                o = this._EvaluatePreProcessors(o, s, t),
                (null === (r = t.processor) || void 0 === r ? void 0 : r.postProcessor) && (o = t.processor.postProcessor(o, a, t.isFragment, t.processingContext, i)),
                i._features.needShaderCodeInlining && (o = i.inlineShaderCode(o)),
                o
            }
            ,
            e._ProcessIncludes = function(t, i, n) {
                for (var r = this, o = /#include\s?<(.+)>(\((.*)\))*(\[(.*)\])*/g, a = o.exec(t), s = new String(t), l = !1, c = function() {
                    var c = a[1];
                    if (-1 !== c.indexOf("__decl__") && (c = c.replace(/__decl__/, ""),
                    i.supportsUniformBuffers && (c = (c = c.replace(/Vertex/, "Ubo")).replace(/Fragment/, "Ubo")),
                    c += "Declaration"),
                    !i.includesShadersStore[c]) {
                        var u = i.shadersRepository + "ShadersInclude/" + c + ".fx";
                        return e._FileToolsLoadFile(u, (function(e) {
                            i.includesShadersStore[c] = e,
                            r._ProcessIncludes(s, i, n)
                        }
                        )),
                        {
                            value: void 0
                        }
                    }
                    var h = i.includesShadersStore[c];
                    if (a[2])
                        for (var d = a[3].split(","), p = 0; p < d.length; p += 2) {
                            var f = new RegExp(d[p],"g")
                              , _ = d[p + 1];
                            h = h.replace(f, _)
                        }
                    if (a[4]) {
                        var m = a[5];
                        if (-1 !== m.indexOf("..")) {
                            var g = m.split("..")
                              , v = parseInt(g[0])
                              , y = parseInt(g[1])
                              , b = h.slice(0);
                            h = "",
                            isNaN(y) && (y = i.indexParameters[g[1]]);
                            for (var T = v; T < y; T++)
                                i.supportsUniformBuffers || (b = b.replace(/light\{X\}.(\w*)/g, (function(e, t) {
                                    return t + "{X}"
                                }
                                ))),
                                h += b.replace(/\{X\}/g, T.toString()) + "\n"
                        } else
                            i.supportsUniformBuffers || (h = h.replace(/light\{X\}.(\w*)/g, (function(e, t) {
                                return t + "{X}"
                            }
                            ))),
                            h = h.replace(/\{X\}/g, m)
                    }
                    s = s.replace(a[0], h),
                    l = l || h.indexOf("#include<") >= 0 || h.indexOf("#include <") >= 0,
                    a = o.exec(t)
                }; null != a; ) {
                    var u = c();
                    if ("object" == typeof u)
                        return u.value
                }
                l ? this._ProcessIncludes(s.toString(), i, n) : n(s)
            }
            ,
            e._FileToolsLoadFile = function(e, t, i, n, r, o) {
                throw be("FileTools")
            }
            ,
            e
        }(), Pt = function() {
            function e() {}
            return e.GetShadersRepository = function(t) {
                return void 0 === t && (t = st.GLSL),
                t === st.GLSL ? e.ShadersRepository : e.ShadersRepositoryWGSL
            }
            ,
            e.GetShadersStore = function(t) {
                return void 0 === t && (t = st.GLSL),
                t === st.GLSL ? e.ShadersStore : e.ShadersStoreWGSL
            }
            ,
            e.GetIncludesShadersStore = function(t) {
                return void 0 === t && (t = st.GLSL),
                t === st.GLSL ? e.IncludesShadersStore : e.IncludesShadersStoreWGSL
            }
            ,
            e.ShadersRepository = "src/Shaders/",
            e.ShadersStore = {},
            e.IncludesShadersStore = {},
            e.ShadersRepositoryWGSL = "src/ShadersWGSL/",
            e.ShadersStoreWGSL = {},
            e.IncludesShadersStoreWGSL = {},
            e
        }(), Mt = function() {
            function e(t, i, n, r, o, a, s, l, c, u, d, p) {
                void 0 === r && (r = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === d && (d = ""),
                void 0 === p && (p = st.GLSL);
                var f, _, m, g = this;
                this.name = null,
                this.defines = "",
                this.onCompiled = null,
                this.onError = null,
                this.onBind = null,
                this.uniqueId = 0,
                this.onCompileObservable = new h,
                this.onErrorObservable = new h,
                this._onBindObservable = null,
                this._wasPreviouslyReady = !1,
                this._bonesComputationForcedToCPU = !1,
                this._uniformBuffersNames = {},
                this._multiTarget = !1,
                this._samplers = {},
                this._isReady = !1,
                this._compilationError = "",
                this._allFallbacksProcessed = !1,
                this._uniforms = {},
                this._key = "",
                this._fallbacks = null,
                this._vertexSourceCodeOverride = "",
                this._fragmentSourceCodeOverride = "",
                this._transformFeedbackVaryings = null,
                this._pipelineContext = null,
                this._vertexSourceCode = "",
                this._fragmentSourceCode = "",
                this._rawVertexSourceCode = "",
                this._rawFragmentSourceCode = "",
                this.name = t,
                this._key = d;
                var v, y, b = void 0, T = null;
                if (i.attributes) {
                    var E = i;
                    if (this._engine = n,
                    this._attributesNames = E.attributes,
                    this._uniformsNames = E.uniformsNames.concat(E.samplers),
                    this._samplerList = E.samplers.slice(),
                    this.defines = E.defines,
                    this.onError = E.onError,
                    this.onCompiled = E.onCompiled,
                    this._fallbacks = E.fallbacks,
                    this._indexParameters = E.indexParameters,
                    this._transformFeedbackVaryings = E.transformFeedbackVaryings || null,
                    this._multiTarget = !!E.multiTarget,
                    this._shaderLanguage = null !== (f = E.shaderLanguage) && void 0 !== f ? f : st.GLSL,
                    E.uniformBuffersNames) {
                        this._uniformBuffersNamesList = E.uniformBuffersNames.slice();
                        for (var S = 0; S < E.uniformBuffersNames.length; S++)
                            this._uniformBuffersNames[E.uniformBuffersNames[S]] = S
                    }
                    T = null !== (_ = E.processFinalCode) && void 0 !== _ ? _ : null,
                    b = null !== (m = E.processCodeAfterIncludes) && void 0 !== m ? m : void 0
                } else
                    this._engine = o,
                    this.defines = null == a ? "" : a,
                    this._uniformsNames = n.concat(r),
                    this._samplerList = r ? r.slice() : [],
                    this._attributesNames = i,
                    this._uniformBuffersNamesList = [],
                    this._shaderLanguage = p,
                    this.onError = c,
                    this.onCompiled = l,
                    this._indexParameters = u,
                    this._fallbacks = s;
                this._attributeLocationByName = {},
                this.uniqueId = e._UniqueIdSeed++;
                var A = nt() ? this._engine.getHostDocument() : null;
                t.vertexSource ? v = "source:" + t.vertexSource : t.vertexElement ? (v = A ? A.getElementById(t.vertexElement) : null) || (v = t.vertexElement) : v = t.vertex || t,
                t.fragmentSource ? y = "source:" + t.fragmentSource : t.fragmentElement ? (y = A ? A.getElementById(t.fragmentElement) : null) || (y = t.fragmentElement) : y = t.fragment || t,
                this._processingContext = this._engine._getShaderProcessingContext(this._shaderLanguage);
                var x = {
                    defines: this.defines.split("\n"),
                    indexParameters: this._indexParameters,
                    isFragment: !1,
                    shouldUseHighPrecisionShader: this._engine._shouldUseHighPrecisionShader,
                    processor: this._engine._getShaderProcessor(this._shaderLanguage),
                    supportsUniformBuffers: this._engine.supportsUniformBuffers,
                    shadersRepository: Pt.GetShadersRepository(this._shaderLanguage),
                    includesShadersStore: Pt.GetIncludesShadersStore(this._shaderLanguage),
                    version: (100 * this._engine.version).toString(),
                    platformName: this._engine.shaderPlatformName,
                    processingContext: this._processingContext,
                    isNDCHalfZRange: this._engine.isNDCHalfZRange,
                    useReverseDepthBuffer: this._engine.useReverseDepthBuffer,
                    processCodeAfterIncludes: b
                }
                  , R = [void 0, void 0]
                  , C = function() {
                    if (R[0] && R[1]) {
                        x.isFragment = !0;
                        var e = R[0]
                          , i = R[1];
                        Ct.Process(i, x, (function(i) {
                            T && (i = T("fragment", i));
                            var n = Ct.Finalize(e, i, x);
                            g._useFinalCode(n.vertexCode, n.fragmentCode, t)
                        }
                        ), g._engine)
                    }
                };
                this._loadShader(v, "Vertex", "", (function(e) {
                    Ct.Initialize(x),
                    Ct.Process(e, x, (function(t) {
                        g._rawVertexSourceCode = e,
                        T && (t = T("vertex", t)),
                        R[0] = t,
                        C()
                    }
                    ), g._engine)
                }
                )),
                this._loadShader(y, "Fragment", "Pixel", (function(e) {
                    g._rawFragmentSourceCode = e,
                    R[1] = e,
                    C()
                }
                ))
            }
            return Object.defineProperty(e, "ShadersRepository", {
                get: function() {
                    return Pt.ShadersRepository
                },
                set: function(e) {
                    Pt.ShadersRepository = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onBindObservable", {
                get: function() {
                    return this._onBindObservable || (this._onBindObservable = new h),
                    this._onBindObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._useFinalCode = function(e, t, i) {
                if (i) {
                    var n = i.vertexElement || i.vertex || i.spectorName || i
                      , r = i.fragmentElement || i.fragment || i.spectorName || i;
                    this._vertexSourceCode = (this._shaderLanguage === st.WGSL ? "//" : "") + "#define SHADER_NAME vertex:" + n + "\n" + e,
                    this._fragmentSourceCode = (this._shaderLanguage === st.WGSL ? "//" : "") + "#define SHADER_NAME fragment:" + r + "\n" + t
                } else
                    this._vertexSourceCode = e,
                    this._fragmentSourceCode = t;
                this._prepareEffect()
            }
            ,
            Object.defineProperty(e.prototype, "key", {
                get: function() {
                    return this._key
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function() {
                try {
                    return this._isReadyInternal()
                } catch (e) {
                    return !1
                }
            }
            ,
            e.prototype._isReadyInternal = function() {
                return !!this._isReady || !!this._pipelineContext && this._pipelineContext.isReady
            }
            ,
            e.prototype.getEngine = function() {
                return this._engine
            }
            ,
            e.prototype.getPipelineContext = function() {
                return this._pipelineContext
            }
            ,
            e.prototype.getAttributesNames = function() {
                return this._attributesNames
            }
            ,
            e.prototype.getAttributeLocation = function(e) {
                return this._attributes[e]
            }
            ,
            e.prototype.getAttributeLocationByName = function(e) {
                return this._attributeLocationByName[e]
            }
            ,
            e.prototype.getAttributesCount = function() {
                return this._attributes.length
            }
            ,
            e.prototype.getUniformIndex = function(e) {
                return this._uniformsNames.indexOf(e)
            }
            ,
            e.prototype.getUniform = function(e) {
                return this._uniforms[e]
            }
            ,
            e.prototype.getSamplers = function() {
                return this._samplerList
            }
            ,
            e.prototype.getUniformNames = function() {
                return this._uniformsNames
            }
            ,
            e.prototype.getUniformBuffersNames = function() {
                return this._uniformBuffersNamesList
            }
            ,
            e.prototype.getIndexParameters = function() {
                return this._indexParameters
            }
            ,
            e.prototype.getCompilationError = function() {
                return this._compilationError
            }
            ,
            e.prototype.allFallbacksProcessed = function() {
                return this._allFallbacksProcessed
            }
            ,
            e.prototype.executeWhenCompiled = function(e) {
                var t = this;
                this.isReady() ? e(this) : (this.onCompileObservable.add((function(t) {
                    e(t)
                }
                )),
                this._pipelineContext && !this._pipelineContext.isAsync || setTimeout((function() {
                    t._checkIsReady(null)
                }
                ), 16))
            }
            ,
            e.prototype._checkIsReady = function(e) {
                var t = this;
                try {
                    if (this._isReadyInternal())
                        return
                } catch (t) {
                    return void this._processCompilationErrors(t, e)
                }
                setTimeout((function() {
                    t._checkIsReady(e)
                }
                ), 16)
            }
            ,
            e.prototype._loadShader = function(e, t, i, n) {
                if ("undefined" != typeof HTMLElement && e instanceof HTMLElement)
                    n(at(e));
                else if ("source:" !== e.substr(0, 7))
                    if ("base64:" !== e.substr(0, 7)) {
                        var r, o = Pt.GetShadersStore(this._shaderLanguage);
                        o[e + t + "Shader"] ? n(o[e + t + "Shader"]) : i && o[e + i + "Shader"] ? n(o[e + i + "Shader"]) : (r = "." === e[0] || "/" === e[0] || e.indexOf("http") > -1 ? e : Pt.GetShadersRepository(this._shaderLanguage) + e,
                        this._engine._loadFile(r + "." + t.toLowerCase() + ".fx", n))
                    } else
                        n(window.atob(e.substr(7)));
                else
                    n(e.substr(7))
            }
            ,
            Object.defineProperty(e.prototype, "vertexSourceCode", {
                get: function() {
                    var e, t;
                    return this._vertexSourceCodeOverride && this._fragmentSourceCodeOverride ? this._vertexSourceCodeOverride : null !== (t = null === (e = this._pipelineContext) || void 0 === e ? void 0 : e._getVertexShaderCode()) && void 0 !== t ? t : this._vertexSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fragmentSourceCode", {
                get: function() {
                    var e, t;
                    return this._vertexSourceCodeOverride && this._fragmentSourceCodeOverride ? this._fragmentSourceCodeOverride : null !== (t = null === (e = this._pipelineContext) || void 0 === e ? void 0 : e._getFragmentShaderCode()) && void 0 !== t ? t : this._fragmentSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rawVertexSourceCode", {
                get: function() {
                    return this._rawVertexSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rawFragmentSourceCode", {
                get: function() {
                    return this._rawFragmentSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._rebuildProgram = function(e, t, i, n) {
                var r = this;
                this._isReady = !1,
                this._vertexSourceCodeOverride = e,
                this._fragmentSourceCodeOverride = t,
                this.onError = function(e, t) {
                    n && n(t)
                }
                ,
                this.onCompiled = function() {
                    var e = r.getEngine().scenes;
                    if (e)
                        for (var t = 0; t < e.length; t++)
                            e[t].markAllMaterialsAsDirty(a.MATERIAL_AllDirtyFlag);
                    r._pipelineContext._handlesSpectorRebuildCallback(i)
                }
                ,
                this._fallbacks = null,
                this._prepareEffect()
            }
            ,
            e.prototype._prepareEffect = function() {
                var e = this
                  , t = this._attributesNames
                  , i = this.defines
                  , n = this._pipelineContext;
                this._isReady = !1;
                try {
                    var r = this._engine;
                    this._pipelineContext = r.createPipelineContext(this._processingContext),
                    this._pipelineContext._name = this._key;
                    var o = this._rebuildProgram.bind(this);
                    this._vertexSourceCodeOverride && this._fragmentSourceCodeOverride ? r._preparePipelineContext(this._pipelineContext, this._vertexSourceCodeOverride, this._fragmentSourceCodeOverride, !0, this._rawVertexSourceCode, this._rawFragmentSourceCode, o, null, this._transformFeedbackVaryings, this._key) : r._preparePipelineContext(this._pipelineContext, this._vertexSourceCode, this._fragmentSourceCode, !1, this._rawVertexSourceCode, this._rawFragmentSourceCode, o, i, this._transformFeedbackVaryings, this._key),
                    r._executeWhenRenderingStateIsCompiled(this._pipelineContext, (function() {
                        if (e._attributes = [],
                        e._pipelineContext._fillEffectInformation(e, e._uniformBuffersNames, e._uniformsNames, e._uniforms, e._samplerList, e._samplers, t, e._attributes),
                        t)
                            for (var i = 0; i < t.length; i++) {
                                var o = t[i];
                                e._attributeLocationByName[o] = e._attributes[i]
                            }
                        r.bindSamplers(e),
                        e._compilationError = "",
                        e._isReady = !0,
                        e.onCompiled && e.onCompiled(e),
                        e.onCompileObservable.notifyObservers(e),
                        e.onCompileObservable.clear(),
                        e._fallbacks && e._fallbacks.unBindMesh(),
                        n && e.getEngine()._deletePipelineContext(n)
                    }
                    )),
                    this._pipelineContext.isAsync && this._checkIsReady(n)
                } catch (e) {
                    this._processCompilationErrors(e, n)
                }
            }
            ,
            e.prototype._getShaderCodeAndErrorLine = function(e, t, i) {
                var n = i ? /FRAGMENT SHADER ERROR: 0:(\d+?):/ : /VERTEX SHADER ERROR: 0:(\d+?):/
                  , r = null;
                if (t && e) {
                    var o = t.match(n);
                    if (o && 2 === o.length) {
                        var a = parseInt(o[1])
                          , s = e.split("\n", -1);
                        s.length >= a && (r = "Offending line [".concat(a, "] in ").concat(i ? "fragment" : "vertex", " code: ").concat(s[a - 1]))
                    }
                }
                return [e, r]
            }
            ,
            e.prototype._processCompilationErrors = function(t, i) {
                var n, r, o, a, s;
                void 0 === i && (i = null),
                this._compilationError = t.message;
                var l = this._attributesNames
                  , c = this._fallbacks;
                if (K.Error("Unable to compile effect:"),
                K.Error("Uniforms: " + this._uniformsNames.map((function(e) {
                    return " " + e
                }
                ))),
                K.Error("Attributes: " + l.map((function(e) {
                    return " " + e
                }
                ))),
                K.Error("Defines:\r\n" + this.defines),
                e.LogShaderCodeOnCompilationError) {
                    var u = null
                      , h = null
                      , d = null;
                    (null === (o = this._pipelineContext) || void 0 === o ? void 0 : o._getVertexShaderCode()) && (d = (n = this._getShaderCodeAndErrorLine(this._pipelineContext._getVertexShaderCode(), this._compilationError, !1))[0],
                    u = n[1],
                    d && (K.Error("Vertex code:"),
                    K.Error(d))),
                    (null === (a = this._pipelineContext) || void 0 === a ? void 0 : a._getFragmentShaderCode()) && (d = (r = this._getShaderCodeAndErrorLine(null === (s = this._pipelineContext) || void 0 === s ? void 0 : s._getFragmentShaderCode(), this._compilationError, !0))[0],
                    h = r[1],
                    d && (K.Error("Fragment code:"),
                    K.Error(d))),
                    u && K.Error(u),
                    h && K.Error(h)
                }
                K.Error("Error: " + this._compilationError),
                i && (this._pipelineContext = i,
                this._isReady = !0,
                this.onError && this.onError(this, this._compilationError),
                this.onErrorObservable.notifyObservers(this)),
                c ? (this._pipelineContext = null,
                c.hasMoreFallbacks ? (this._allFallbacksProcessed = !1,
                K.Error("Trying next fallback."),
                this.defines = c.reduce(this.defines, this),
                this._prepareEffect()) : (this._allFallbacksProcessed = !0,
                this.onError && this.onError(this, this._compilationError),
                this.onErrorObservable.notifyObservers(this),
                this.onErrorObservable.clear(),
                this._fallbacks && this._fallbacks.unBindMesh())) : this._allFallbacksProcessed = !0
            }
            ,
            Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    return "" === this._compilationError
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._bindTexture = function(e, t) {
                this._engine._bindTexture(this._samplers[e], t, e)
            }
            ,
            e.prototype.setTexture = function(e, t) {
                this._engine.setTexture(this._samplers[e], this._uniforms[e], t, e)
            }
            ,
            e.prototype.setDepthStencilTexture = function(e, t) {
                this._engine.setDepthStencilTexture(this._samplers[e], this._uniforms[e], t, e)
            }
            ,
            e.prototype.setTextureArray = function(e, t) {
                var i = e + "Ex";
                if (-1 === this._samplerList.indexOf(i + "0")) {
                    for (var n = this._samplerList.indexOf(e), r = 1; r < t.length; r++) {
                        var o = i + (r - 1).toString();
                        this._samplerList.splice(n + r, 0, o)
                    }
                    for (var a = 0, s = 0, l = this._samplerList; s < l.length; s++) {
                        var c = l[s];
                        this._samplers[c] = a,
                        a += 1
                    }
                }
                this._engine.setTextureArray(this._samplers[e], this._uniforms[e], t, e)
            }
            ,
            e.prototype.setTextureFromPostProcess = function(e, t) {
                this._engine.setTextureFromPostProcess(this._samplers[e], t, e)
            }
            ,
            e.prototype.setTextureFromPostProcessOutput = function(e, t) {
                this._engine.setTextureFromPostProcessOutput(this._samplers[e], t, e)
            }
            ,
            e.prototype.bindUniformBuffer = function(t, i) {
                var n = this._uniformBuffersNames[i];
                void 0 === n || e._BaseCache[n] === t && this._engine._features.useUBOBindingCache || (e._BaseCache[n] = t,
                this._engine.bindUniformBufferBase(t, n, i))
            }
            ,
            e.prototype.bindUniformBlock = function(e, t) {
                this._engine.bindUniformBlock(this._pipelineContext, e, t)
            }
            ,
            e.prototype.setInt = function(e, t) {
                return this._pipelineContext.setInt(e, t),
                this
            }
            ,
            e.prototype.setInt2 = function(e, t, i) {
                return this._pipelineContext.setInt2(e, t, i),
                this
            }
            ,
            e.prototype.setInt3 = function(e, t, i, n) {
                return this._pipelineContext.setInt3(e, t, i, n),
                this
            }
            ,
            e.prototype.setInt4 = function(e, t, i, n, r) {
                return this._pipelineContext.setInt4(e, t, i, n, r),
                this
            }
            ,
            e.prototype.setIntArray = function(e, t) {
                return this._pipelineContext.setIntArray(e, t),
                this
            }
            ,
            e.prototype.setIntArray2 = function(e, t) {
                return this._pipelineContext.setIntArray2(e, t),
                this
            }
            ,
            e.prototype.setIntArray3 = function(e, t) {
                return this._pipelineContext.setIntArray3(e, t),
                this
            }
            ,
            e.prototype.setIntArray4 = function(e, t) {
                return this._pipelineContext.setIntArray4(e, t),
                this
            }
            ,
            e.prototype.setFloatArray = function(e, t) {
                return this._pipelineContext.setArray(e, t),
                this
            }
            ,
            e.prototype.setFloatArray2 = function(e, t) {
                return this._pipelineContext.setArray2(e, t),
                this
            }
            ,
            e.prototype.setFloatArray3 = function(e, t) {
                return this._pipelineContext.setArray3(e, t),
                this
            }
            ,
            e.prototype.setFloatArray4 = function(e, t) {
                return this._pipelineContext.setArray4(e, t),
                this
            }
            ,
            e.prototype.setArray = function(e, t) {
                return this._pipelineContext.setArray(e, t),
                this
            }
            ,
            e.prototype.setArray2 = function(e, t) {
                return this._pipelineContext.setArray2(e, t),
                this
            }
            ,
            e.prototype.setArray3 = function(e, t) {
                return this._pipelineContext.setArray3(e, t),
                this
            }
            ,
            e.prototype.setArray4 = function(e, t) {
                return this._pipelineContext.setArray4(e, t),
                this
            }
            ,
            e.prototype.setMatrices = function(e, t) {
                return this._pipelineContext.setMatrices(e, t),
                this
            }
            ,
            e.prototype.setMatrix = function(e, t) {
                return this._pipelineContext.setMatrix(e, t),
                this
            }
            ,
            e.prototype.setMatrix3x3 = function(e, t) {
                return this._pipelineContext.setMatrix3x3(e, t),
                this
            }
            ,
            e.prototype.setMatrix2x2 = function(e, t) {
                return this._pipelineContext.setMatrix2x2(e, t),
                this
            }
            ,
            e.prototype.setFloat = function(e, t) {
                return this._pipelineContext.setFloat(e, t),
                this
            }
            ,
            e.prototype.setBool = function(e, t) {
                return this._pipelineContext.setInt(e, t ? 1 : 0),
                this
            }
            ,
            e.prototype.setVector2 = function(e, t) {
                return this._pipelineContext.setVector2(e, t),
                this
            }
            ,
            e.prototype.setFloat2 = function(e, t, i) {
                return this._pipelineContext.setFloat2(e, t, i),
                this
            }
            ,
            e.prototype.setVector3 = function(e, t) {
                return this._pipelineContext.setVector3(e, t),
                this
            }
            ,
            e.prototype.setFloat3 = function(e, t, i, n) {
                return this._pipelineContext.setFloat3(e, t, i, n),
                this
            }
            ,
            e.prototype.setVector4 = function(e, t) {
                return this._pipelineContext.setVector4(e, t),
                this
            }
            ,
            e.prototype.setFloat4 = function(e, t, i, n, r) {
                return this._pipelineContext.setFloat4(e, t, i, n, r),
                this
            }
            ,
            e.prototype.setColor3 = function(e, t) {
                return this._pipelineContext.setColor3(e, t),
                this
            }
            ,
            e.prototype.setColor4 = function(e, t, i) {
                return this._pipelineContext.setColor4(e, t, i),
                this
            }
            ,
            e.prototype.setDirectColor4 = function(e, t) {
                return this._pipelineContext.setDirectColor4(e, t),
                this
            }
            ,
            e.prototype.dispose = function() {
                this._pipelineContext && this._pipelineContext.dispose(),
                this._engine._releaseEffect(this)
            }
            ,
            e.RegisterShader = function(e, t, i, n) {
                void 0 === n && (n = st.GLSL),
                t && (Pt.GetShadersStore(n)["".concat(e, "PixelShader")] = t),
                i && (Pt.GetShadersStore(n)["".concat(e, "VertexShader")] = i)
            }
            ,
            e.ResetCache = function() {
                e._BaseCache = {}
            }
            ,
            e.LogShaderCodeOnCompilationError = !0,
            e._UniqueIdSeed = 0,
            e._BaseCache = {},
            e.ShadersStore = Pt.ShadersStore,
            e.IncludesShadersStore = Pt.IncludesShadersStore,
            e
        }(), It = function() {
            function e(e) {
                void 0 === e && (e = !0),
                this._isDepthTestDirty = !1,
                this._isDepthMaskDirty = !1,
                this._isDepthFuncDirty = !1,
                this._isCullFaceDirty = !1,
                this._isCullDirty = !1,
                this._isZOffsetDirty = !1,
                this._isFrontFaceDirty = !1,
                e && this.reset()
            }
            return Object.defineProperty(e.prototype, "isDirty", {
                get: function() {
                    return this._isDepthFuncDirty || this._isDepthTestDirty || this._isDepthMaskDirty || this._isCullFaceDirty || this._isCullDirty || this._isZOffsetDirty || this._isFrontFaceDirty
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "zOffset", {
                get: function() {
                    return this._zOffset
                },
                set: function(e) {
                    this._zOffset !== e && (this._zOffset = e,
                    this._isZOffsetDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "zOffsetUnits", {
                get: function() {
                    return this._zOffsetUnits
                },
                set: function(e) {
                    this._zOffsetUnits !== e && (this._zOffsetUnits = e,
                    this._isZOffsetDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cullFace", {
                get: function() {
                    return this._cullFace
                },
                set: function(e) {
                    this._cullFace !== e && (this._cullFace = e,
                    this._isCullFaceDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cull", {
                get: function() {
                    return this._cull
                },
                set: function(e) {
                    this._cull !== e && (this._cull = e,
                    this._isCullDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthFunc", {
                get: function() {
                    return this._depthFunc
                },
                set: function(e) {
                    this._depthFunc !== e && (this._depthFunc = e,
                    this._isDepthFuncDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthMask", {
                get: function() {
                    return this._depthMask
                },
                set: function(e) {
                    this._depthMask !== e && (this._depthMask = e,
                    this._isDepthMaskDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthTest", {
                get: function() {
                    return this._depthTest
                },
                set: function(e) {
                    this._depthTest !== e && (this._depthTest = e,
                    this._isDepthTestDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "frontFace", {
                get: function() {
                    return this._frontFace
                },
                set: function(e) {
                    this._frontFace !== e && (this._frontFace = e,
                    this._isFrontFaceDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function() {
                this._depthMask = !0,
                this._depthTest = !0,
                this._depthFunc = null,
                this._cullFace = null,
                this._cull = null,
                this._zOffset = 0,
                this._zOffsetUnits = 0,
                this._frontFace = null,
                this._isDepthTestDirty = !0,
                this._isDepthMaskDirty = !0,
                this._isDepthFuncDirty = !1,
                this._isCullFaceDirty = !1,
                this._isCullDirty = !1,
                this._isZOffsetDirty = !0,
                this._isFrontFaceDirty = !1
            }
            ,
            e.prototype.apply = function(e) {
                this.isDirty && (this._isCullDirty && (this.cull ? e.enable(e.CULL_FACE) : e.disable(e.CULL_FACE),
                this._isCullDirty = !1),
                this._isCullFaceDirty && (e.cullFace(this.cullFace),
                this._isCullFaceDirty = !1),
                this._isDepthMaskDirty && (e.depthMask(this.depthMask),
                this._isDepthMaskDirty = !1),
                this._isDepthTestDirty && (this.depthTest ? e.enable(e.DEPTH_TEST) : e.disable(e.DEPTH_TEST),
                this._isDepthTestDirty = !1),
                this._isDepthFuncDirty && (e.depthFunc(this.depthFunc),
                this._isDepthFuncDirty = !1),
                this._isZOffsetDirty && (this.zOffset || this.zOffsetUnits ? (e.enable(e.POLYGON_OFFSET_FILL),
                e.polygonOffset(this.zOffset, this.zOffsetUnits)) : e.disable(e.POLYGON_OFFSET_FILL),
                this._isZOffsetDirty = !1),
                this._isFrontFaceDirty && (e.frontFace(this.frontFace),
                this._isFrontFaceDirty = !1))
            }
            ,
            e
        }(), Ot = function() {
            function e() {
                this.reset()
            }
            return e.prototype.reset = function() {
                this.enabled = !1,
                this.mask = 255,
                this.func = e.ALWAYS,
                this.funcRef = 1,
                this.funcMask = 255,
                this.opStencilFail = e.KEEP,
                this.opDepthFail = e.KEEP,
                this.opStencilDepthPass = e.REPLACE
            }
            ,
            Object.defineProperty(e.prototype, "stencilFunc", {
                get: function() {
                    return this.func
                },
                set: function(e) {
                    this.func = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilFuncRef", {
                get: function() {
                    return this.funcRef
                },
                set: function(e) {
                    this.funcRef = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilFuncMask", {
                get: function() {
                    return this.funcMask
                },
                set: function(e) {
                    this.funcMask = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilOpStencilFail", {
                get: function() {
                    return this.opStencilFail
                },
                set: function(e) {
                    this.opStencilFail = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilOpDepthFail", {
                get: function() {
                    return this.opDepthFail
                },
                set: function(e) {
                    this.opDepthFail = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilOpStencilDepthPass", {
                get: function() {
                    return this.opStencilDepthPass
                },
                set: function(e) {
                    this.opStencilDepthPass = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilMask", {
                get: function() {
                    return this.mask
                },
                set: function(e) {
                    this.mask = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilTest", {
                get: function() {
                    return this.enabled
                },
                set: function(e) {
                    this.enabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.ALWAYS = a.ALWAYS,
            e.KEEP = a.KEEP,
            e.REPLACE = a.REPLACE,
            e
        }(), Dt = function() {
            function e() {
                this._blendFunctionParameters = new Array(4),
                this._blendEquationParameters = new Array(2),
                this._blendConstants = new Array(4),
                this._isBlendConstantsDirty = !1,
                this._alphaBlend = !1,
                this._isAlphaBlendDirty = !1,
                this._isBlendFunctionParametersDirty = !1,
                this._isBlendEquationParametersDirty = !1,
                this.reset()
            }
            return Object.defineProperty(e.prototype, "isDirty", {
                get: function() {
                    return this._isAlphaBlendDirty || this._isBlendFunctionParametersDirty || this._isBlendEquationParametersDirty
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "alphaBlend", {
                get: function() {
                    return this._alphaBlend
                },
                set: function(e) {
                    this._alphaBlend !== e && (this._alphaBlend = e,
                    this._isAlphaBlendDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setAlphaBlendConstants = function(e, t, i, n) {
                this._blendConstants[0] === e && this._blendConstants[1] === t && this._blendConstants[2] === i && this._blendConstants[3] === n || (this._blendConstants[0] = e,
                this._blendConstants[1] = t,
                this._blendConstants[2] = i,
                this._blendConstants[3] = n,
                this._isBlendConstantsDirty = !0)
            }
            ,
            e.prototype.setAlphaBlendFunctionParameters = function(e, t, i, n) {
                this._blendFunctionParameters[0] === e && this._blendFunctionParameters[1] === t && this._blendFunctionParameters[2] === i && this._blendFunctionParameters[3] === n || (this._blendFunctionParameters[0] = e,
                this._blendFunctionParameters[1] = t,
                this._blendFunctionParameters[2] = i,
                this._blendFunctionParameters[3] = n,
                this._isBlendFunctionParametersDirty = !0)
            }
            ,
            e.prototype.setAlphaEquationParameters = function(e, t) {
                this._blendEquationParameters[0] === e && this._blendEquationParameters[1] === t || (this._blendEquationParameters[0] = e,
                this._blendEquationParameters[1] = t,
                this._isBlendEquationParametersDirty = !0)
            }
            ,
            e.prototype.reset = function() {
                this._alphaBlend = !1,
                this._blendFunctionParameters[0] = null,
                this._blendFunctionParameters[1] = null,
                this._blendFunctionParameters[2] = null,
                this._blendFunctionParameters[3] = null,
                this._blendEquationParameters[0] = null,
                this._blendEquationParameters[1] = null,
                this._blendConstants[0] = null,
                this._blendConstants[1] = null,
                this._blendConstants[2] = null,
                this._blendConstants[3] = null,
                this._isAlphaBlendDirty = !0,
                this._isBlendFunctionParametersDirty = !1,
                this._isBlendEquationParametersDirty = !1,
                this._isBlendConstantsDirty = !1
            }
            ,
            e.prototype.apply = function(e) {
                this.isDirty && (this._isAlphaBlendDirty && (this._alphaBlend ? e.enable(e.BLEND) : e.disable(e.BLEND),
                this._isAlphaBlendDirty = !1),
                this._isBlendFunctionParametersDirty && (e.blendFuncSeparate(this._blendFunctionParameters[0], this._blendFunctionParameters[1], this._blendFunctionParameters[2], this._blendFunctionParameters[3]),
                this._isBlendFunctionParametersDirty = !1),
                this._isBlendEquationParametersDirty && (e.blendEquationSeparate(this._blendEquationParameters[0], this._blendEquationParameters[1]),
                this._isBlendEquationParametersDirty = !1),
                this._isBlendConstantsDirty && (e.blendColor(this._blendConstants[0], this._blendConstants[1], this._blendConstants[2], this._blendConstants[3]),
                this._isBlendConstantsDirty = !1))
            }
            ,
            e
        }(), Nt = function() {
            function e() {
                this.samplingMode = -1,
                this._useMipMaps = !0,
                this._cachedWrapU = null,
                this._cachedWrapV = null,
                this._cachedWrapR = null,
                this._cachedAnisotropicFilteringLevel = null,
                this._comparisonFunction = 0
            }
            return Object.defineProperty(e.prototype, "wrapU", {
                get: function() {
                    return this._cachedWrapU
                },
                set: function(e) {
                    this._cachedWrapU = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "wrapV", {
                get: function() {
                    return this._cachedWrapV
                },
                set: function(e) {
                    this._cachedWrapV = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "wrapR", {
                get: function() {
                    return this._cachedWrapR
                },
                set: function(e) {
                    this._cachedWrapR = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "anisotropicFilteringLevel", {
                get: function() {
                    return this._cachedAnisotropicFilteringLevel
                },
                set: function(e) {
                    this._cachedAnisotropicFilteringLevel = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "comparisonFunction", {
                get: function() {
                    return this._comparisonFunction
                },
                set: function(e) {
                    this._comparisonFunction = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useMipMaps", {
                get: function() {
                    return this._useMipMaps
                },
                set: function(e) {
                    this._useMipMaps = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setParameters = function(e, t, i, n, r, o) {
                return void 0 === e && (e = a.TEXTURE_WRAP_ADDRESSMODE),
                void 0 === t && (t = a.TEXTURE_WRAP_ADDRESSMODE),
                void 0 === i && (i = a.TEXTURE_WRAP_ADDRESSMODE),
                void 0 === n && (n = 1),
                void 0 === r && (r = a.TEXTURE_BILINEAR_SAMPLINGMODE),
                void 0 === o && (o = 0),
                this._cachedWrapU = e,
                this._cachedWrapV = t,
                this._cachedWrapR = i,
                this._cachedAnisotropicFilteringLevel = n,
                this.samplingMode = r,
                this._comparisonFunction = o,
                this
            }
            ,
            e.prototype.compareSampler = function(e) {
                return this._cachedWrapU === e._cachedWrapU && this._cachedWrapV === e._cachedWrapV && this._cachedWrapR === e._cachedWrapR && this._cachedAnisotropicFilteringLevel === e._cachedAnisotropicFilteringLevel && this.samplingMode === e.samplingMode && this._comparisonFunction === e._comparisonFunction && this._useMipMaps === e._useMipMaps
            }
            ,
            e
        }();
        !function(e) {
            e[e.Unknown = 0] = "Unknown",
            e[e.Url = 1] = "Url",
            e[e.Temp = 2] = "Temp",
            e[e.Raw = 3] = "Raw",
            e[e.Dynamic = 4] = "Dynamic",
            e[e.RenderTarget = 5] = "RenderTarget",
            e[e.MultiRenderTarget = 6] = "MultiRenderTarget",
            e[e.Cube = 7] = "Cube",
            e[e.CubeRaw = 8] = "CubeRaw",
            e[e.CubePrefiltered = 9] = "CubePrefiltered",
            e[e.Raw3D = 10] = "Raw3D",
            e[e.Raw2DArray = 11] = "Raw2DArray",
            e[e.DepthStencil = 12] = "DepthStencil",
            e[e.CubeRawRGBD = 13] = "CubeRawRGBD",
            e[e.Depth = 14] = "Depth"
        }(At || (At = {}));
        var Lt = function(e) {
            function t(i, n, r) {
                void 0 === r && (r = !1);
                var o = e.call(this) || this;
                return o.isReady = !1,
                o.isCube = !1,
                o.is3D = !1,
                o.is2DArray = !1,
                o.isMultiview = !1,
                o.url = "",
                o.generateMipMaps = !1,
                o.samples = 0,
                o.type = -1,
                o.format = -1,
                o.onLoadedObservable = new h,
                o.onErrorObservable = new h,
                o.onRebuildCallback = null,
                o.width = 0,
                o.height = 0,
                o.depth = 0,
                o.baseWidth = 0,
                o.baseHeight = 0,
                o.baseDepth = 0,
                o.invertY = !1,
                o._invertVScale = !1,
                o._associatedChannel = -1,
                o._source = At.Unknown,
                o._buffer = null,
                o._bufferView = null,
                o._bufferViewArray = null,
                o._bufferViewArrayArray = null,
                o._size = 0,
                o._extension = "",
                o._files = null,
                o._workingCanvas = null,
                o._workingContext = null,
                o._cachedCoordinatesMode = null,
                o._isDisabled = !1,
                o._compression = null,
                o._sphericalPolynomial = null,
                o._sphericalPolynomialPromise = null,
                o._sphericalPolynomialComputed = !1,
                o._lodGenerationScale = 0,
                o._lodGenerationOffset = 0,
                o._useSRGBBuffer = !1,
                o._lodTextureHigh = null,
                o._lodTextureMid = null,
                o._lodTextureLow = null,
                o._isRGBD = !1,
                o._linearSpecularLOD = !1,
                o._irradianceTexture = null,
                o._hardwareTexture = null,
                o._maxLodLevel = null,
                o._references = 1,
                o._gammaSpace = null,
                o._engine = i,
                o._source = n,
                o._uniqueId = t._Counter++,
                r || (o._hardwareTexture = i._createHardwareTexture()),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "useMipMaps", {
                get: function() {
                    return this.generateMipMaps
                },
                set: function(e) {
                    this.generateMipMaps = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uniqueId", {
                get: function() {
                    return this._uniqueId
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getEngine = function() {
                return this._engine
            }
            ,
            Object.defineProperty(t.prototype, "source", {
                get: function() {
                    return this._source
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.incrementReferences = function() {
                this._references++
            }
            ,
            t.prototype.updateSize = function(e, t, i) {
                void 0 === i && (i = 1),
                this._engine.updateTextureDimensions(this, e, t, i),
                this.width = e,
                this.height = t,
                this.depth = i,
                this.baseWidth = e,
                this.baseHeight = t,
                this.baseDepth = i,
                this._size = e * t * i
            }
            ,
            t.prototype._rebuild = function() {
                var e, t = this;
                if (this.isReady = !1,
                this._cachedCoordinatesMode = null,
                this._cachedWrapU = null,
                this._cachedWrapV = null,
                this._cachedWrapR = null,
                this._cachedAnisotropicFilteringLevel = null,
                this.onRebuildCallback) {
                    var i = this.onRebuildCallback(this)
                      , n = function(e) {
                        e._swapAndDie(t, !1),
                        t.isReady = i.isReady
                    };
                    i.isAsync ? i.proxy.then(n) : n(i.proxy)
                } else {
                    var r;
                    switch (this.source) {
                    case At.Temp:
                        break;
                    case At.Url:
                        return void (r = this._engine.createTexture(null !== (e = this._originalUrl) && void 0 !== e ? e : this.url, !this.generateMipMaps, this.invertY, null, this.samplingMode, (function() {
                            r._swapAndDie(t, !1),
                            t.isReady = !0
                        }
                        ), null, this._buffer, void 0, this.format, this._extension, void 0, void 0, void 0, this._useSRGBBuffer));
                    case At.Raw:
                        (r = this._engine.createRawTexture(this._bufferView, this.baseWidth, this.baseHeight, this.format, this.generateMipMaps, this.invertY, this.samplingMode, this._compression, this.type))._swapAndDie(this, !1),
                        this.isReady = !0;
                        break;
                    case At.Raw3D:
                        (r = this._engine.createRawTexture3D(this._bufferView, this.baseWidth, this.baseHeight, this.baseDepth, this.format, this.generateMipMaps, this.invertY, this.samplingMode, this._compression, this.type))._swapAndDie(this, !1),
                        this.isReady = !0;
                        break;
                    case At.Raw2DArray:
                        (r = this._engine.createRawTexture2DArray(this._bufferView, this.baseWidth, this.baseHeight, this.baseDepth, this.format, this.generateMipMaps, this.invertY, this.samplingMode, this._compression, this.type))._swapAndDie(this, !1),
                        this.isReady = !0;
                        break;
                    case At.Dynamic:
                        (r = this._engine.createDynamicTexture(this.baseWidth, this.baseHeight, this.generateMipMaps, this.samplingMode))._swapAndDie(this, !1),
                        this._engine.updateDynamicTexture(this, this._engine.getRenderingCanvas(), this.invertY, void 0, void 0, !0);
                        break;
                    case At.Cube:
                        return void (r = this._engine.createCubeTexture(this.url, null, this._files, !this.generateMipMaps, (function() {
                            r._swapAndDie(t, !1),
                            t.isReady = !0
                        }
                        ), null, this.format, this._extension, !1, 0, 0, null, void 0, this._useSRGBBuffer));
                    case At.CubeRaw:
                        (r = this._engine.createRawCubeTexture(this._bufferViewArray, this.width, this.format, this.type, this.generateMipMaps, this.invertY, this.samplingMode, this._compression))._swapAndDie(this, !1),
                        this.isReady = !0;
                        break;
                    case At.CubeRawRGBD:
                        return;
                    case At.CubePrefiltered:
                        return void ((r = this._engine.createPrefilteredCubeTexture(this.url, null, this._lodGenerationScale, this._lodGenerationOffset, (function(e) {
                            e && e._swapAndDie(t, !1),
                            t.isReady = !0
                        }
                        ), null, this.format, this._extension))._sphericalPolynomial = this._sphericalPolynomial)
                    }
                }
            }
            ,
            t.prototype._swapAndDie = function(e, t) {
                var i;
                void 0 === t && (t = !0),
                null === (i = this._hardwareTexture) || void 0 === i || i.setUsage(e._source, this.generateMipMaps, this.isCube, this.width, this.height),
                e._hardwareTexture = this._hardwareTexture,
                t && (e._isRGBD = this._isRGBD),
                this._lodTextureHigh && (e._lodTextureHigh && e._lodTextureHigh.dispose(),
                e._lodTextureHigh = this._lodTextureHigh),
                this._lodTextureMid && (e._lodTextureMid && e._lodTextureMid.dispose(),
                e._lodTextureMid = this._lodTextureMid),
                this._lodTextureLow && (e._lodTextureLow && e._lodTextureLow.dispose(),
                e._lodTextureLow = this._lodTextureLow),
                this._irradianceTexture && (e._irradianceTexture && e._irradianceTexture.dispose(),
                e._irradianceTexture = this._irradianceTexture);
                var n = this._engine.getLoadedTexturesCache()
                  , r = n.indexOf(this);
                -1 !== r && n.splice(r, 1),
                -1 === (r = n.indexOf(e)) && n.push(e)
            }
            ,
            t.prototype.dispose = function() {
                this._references--,
                this.onLoadedObservable.clear(),
                this.onErrorObservable.clear(),
                0 === this._references && (this._engine._releaseTexture(this),
                this._hardwareTexture = null)
            }
            ,
            t._Counter = 0,
            t
        }(Nt)
          , Ft = function() {
            function e() {
                this.shaderLanguage = st.GLSL
            }
            return e.prototype.postProcessor = function(e, t, i, n, r) {
                return r.getCaps().drawBuffersExtension || (e = e.replace(/#extension.+GL_EXT_draw_buffers.+(enable|require)/g, "")),
                e
            }
            ,
            e
        }()
          , wt = function() {
            function e() {
                this.shaderLanguage = st.GLSL
            }
            return e.prototype.attributeProcessor = function(e) {
                return e.replace("attribute", "in")
            }
            ,
            e.prototype.varyingProcessor = function(e, t) {
                return e.replace("varying", t ? "in" : "out")
            }
            ,
            e.prototype.postProcessor = function(e, t, i) {
                var n = -1 !== e.search(/#extension.+GL_EXT_draw_buffers.+require/);
                if (e = (e = e.replace(/#extension.+(GL_OVR_multiview2|GL_OES_standard_derivatives|GL_EXT_shader_texture_lod|GL_EXT_frag_depth|GL_EXT_draw_buffers).+(enable|require)/g, "")).replace(/texture2D\s*\(/g, "texture("),
                i)
                    e = (e = (e = (e = (e = (e = (e = e.replace(/texture2DLodEXT\s*\(/g, "textureLod(")).replace(/textureCubeLodEXT\s*\(/g, "textureLod(")).replace(/textureCube\s*\(/g, "texture(")).replace(/gl_FragDepthEXT/g, "gl_FragDepth")).replace(/gl_FragColor/g, "glFragColor")).replace(/gl_FragData/g, "glFragData")).replace(/void\s+?main\s*\(/g, (n ? "" : "out vec4 glFragColor;\n") + "void main(");
                else if (-1 !== t.indexOf("#define MULTIVIEW"))
                    return "#extension GL_OVR_multiview2 : require\nlayout (num_views = 2) in;\n" + e;
                return e
            }
            ,
            e
        }()
          , Bt = function() {
            function e() {
                this.references = 0,
                this.capacity = 0,
                this.is32Bits = !1,
                this.uniqueId = e._Counter++
            }
            return Object.defineProperty(e.prototype, "underlyingResource", {
                get: function() {
                    return null
                },
                enumerable: !1,
                configurable: !0
            }),
            e._Counter = 0,
            e
        }()
          , Ut = function(e) {
            function t(t) {
                var i = e.call(this) || this;
                return i._buffer = t,
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "underlyingResource", {
                get: function() {
                    return this._buffer
                },
                enumerable: !1,
                configurable: !0
            }),
            t
        }(Bt)
          , Vt = function() {
            function e() {
                this._valueCache = {},
                this.vertexCompilationError = null,
                this.fragmentCompilationError = null,
                this.programLinkError = null,
                this.programValidationError = null
            }
            return Object.defineProperty(e.prototype, "isAsync", {
                get: function() {
                    return this.isParallelCompiled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isReady", {
                get: function() {
                    return !!this.program && (!this.isParallelCompiled || this.engine._isRenderingStateCompiled(this))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._handlesSpectorRebuildCallback = function(e) {
                e && this.program && e(this.program)
            }
            ,
            e.prototype._fillEffectInformation = function(e, t, i, n, r, o, a, s) {
                var l, c = this.engine;
                if (c.supportsUniformBuffers)
                    for (var u in t)
                        e.bindUniformBlock(u, t[u]);
                for (this.engine.getUniforms(this, i).forEach((function(e, t) {
                    n[i[t]] = e
                }
                )),
                this._uniforms = n,
                l = 0; l < r.length; l++)
                    null == e.getUniform(r[l]) && (r.splice(l, 1),
                    l--);
                r.forEach((function(e, t) {
                    o[e] = t
                }
                ));
                for (var h = 0, d = c.getAttributes(this, a); h < d.length; h++) {
                    var p = d[h];
                    s.push(p)
                }
            }
            ,
            e.prototype.dispose = function() {
                this._uniforms = {}
            }
            ,
            e.prototype._cacheMatrix = function(e, t) {
                var i = this._valueCache[e]
                  , n = t.updateFlag;
                return (void 0 === i || i !== n) && (this._valueCache[e] = n,
                !0)
            }
            ,
            e.prototype._cacheFloat2 = function(e, t, i) {
                var n = this._valueCache[e];
                if (!n || 2 !== n.length)
                    return n = [t, i],
                    this._valueCache[e] = n,
                    !0;
                var r = !1;
                return n[0] !== t && (n[0] = t,
                r = !0),
                n[1] !== i && (n[1] = i,
                r = !0),
                r
            }
            ,
            e.prototype._cacheFloat3 = function(e, t, i, n) {
                var r = this._valueCache[e];
                if (!r || 3 !== r.length)
                    return r = [t, i, n],
                    this._valueCache[e] = r,
                    !0;
                var o = !1;
                return r[0] !== t && (r[0] = t,
                o = !0),
                r[1] !== i && (r[1] = i,
                o = !0),
                r[2] !== n && (r[2] = n,
                o = !0),
                o
            }
            ,
            e.prototype._cacheFloat4 = function(e, t, i, n, r) {
                var o = this._valueCache[e];
                if (!o || 4 !== o.length)
                    return o = [t, i, n, r],
                    this._valueCache[e] = o,
                    !0;
                var a = !1;
                return o[0] !== t && (o[0] = t,
                a = !0),
                o[1] !== i && (o[1] = i,
                a = !0),
                o[2] !== n && (o[2] = n,
                a = !0),
                o[3] !== r && (o[3] = r,
                a = !0),
                a
            }
            ,
            e.prototype.setInt = function(e, t) {
                var i = this._valueCache[e];
                void 0 !== i && i === t || this.engine.setInt(this._uniforms[e], t) && (this._valueCache[e] = t)
            }
            ,
            e.prototype.setInt2 = function(e, t, i) {
                this._cacheFloat2(e, t, i) && (this.engine.setInt2(this._uniforms[e], t, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setInt3 = function(e, t, i, n) {
                this._cacheFloat3(e, t, i, n) && (this.engine.setInt3(this._uniforms[e], t, i, n) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setInt4 = function(e, t, i, n, r) {
                this._cacheFloat4(e, t, i, n, r) && (this.engine.setInt4(this._uniforms[e], t, i, n, r) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setIntArray = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray2(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray3(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray4 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray4(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray2(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray3(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray4 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray4(this._uniforms[e], t)
            }
            ,
            e.prototype.setMatrices = function(e, t) {
                t && (this._valueCache[e] = null,
                this.engine.setMatrices(this._uniforms[e], t))
            }
            ,
            e.prototype.setMatrix = function(e, t) {
                this._cacheMatrix(e, t) && (this.engine.setMatrices(this._uniforms[e], t.toArray()) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setMatrix3x3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setMatrix3x3(this._uniforms[e], t)
            }
            ,
            e.prototype.setMatrix2x2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setMatrix2x2(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloat = function(e, t) {
                var i = this._valueCache[e];
                void 0 !== i && i === t || this.engine.setFloat(this._uniforms[e], t) && (this._valueCache[e] = t)
            }
            ,
            e.prototype.setVector2 = function(e, t) {
                this._cacheFloat2(e, t.x, t.y) && (this.engine.setFloat2(this._uniforms[e], t.x, t.y) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat2 = function(e, t, i) {
                this._cacheFloat2(e, t, i) && (this.engine.setFloat2(this._uniforms[e], t, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setVector3 = function(e, t) {
                this._cacheFloat3(e, t.x, t.y, t.z) && (this.engine.setFloat3(this._uniforms[e], t.x, t.y, t.z) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat3 = function(e, t, i, n) {
                this._cacheFloat3(e, t, i, n) && (this.engine.setFloat3(this._uniforms[e], t, i, n) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setVector4 = function(e, t) {
                this._cacheFloat4(e, t.x, t.y, t.z, t.w) && (this.engine.setFloat4(this._uniforms[e], t.x, t.y, t.z, t.w) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat4 = function(e, t, i, n, r) {
                this._cacheFloat4(e, t, i, n, r) && (this.engine.setFloat4(this._uniforms[e], t, i, n, r) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setColor3 = function(e, t) {
                this._cacheFloat3(e, t.r, t.g, t.b) && (this.engine.setFloat3(this._uniforms[e], t.r, t.g, t.b) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setColor4 = function(e, t, i) {
                this._cacheFloat4(e, t.r, t.g, t.b, i) && (this.engine.setFloat4(this._uniforms[e], t.r, t.g, t.b, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setDirectColor4 = function(e, t) {
                this._cacheFloat4(e, t.r, t.g, t.b, t.a) && (this.engine.setFloat4(this._uniforms[e], t.r, t.g, t.b, t.a) || (this._valueCache[e] = null))
            }
            ,
            e.prototype._getVertexShaderCode = function() {
                return this.vertexShader ? this.engine._getShaderSource(this.vertexShader) : null
            }
            ,
            e.prototype._getFragmentShaderCode = function() {
                return this.fragmentShader ? this.engine._getShaderSource(this.fragmentShader) : null
            }
            ,
            e
        }()
          , kt = function() {
            function e(e, t) {
                if (void 0 === e && (e = null),
                this._MSAARenderBuffer = null,
                this._context = t,
                !e && !(e = t.createTexture()))
                    throw new Error("Unable to create webGL texture");
                this.set(e)
            }
            return Object.defineProperty(e.prototype, "underlyingResource", {
                get: function() {
                    return this._webGLTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setUsage = function() {}
            ,
            e.prototype.set = function(e) {
                this._webGLTexture = e
            }
            ,
            e.prototype.reset = function() {
                this._webGLTexture = null,
                this._MSAARenderBuffer = null
            }
            ,
            e.prototype.release = function() {
                this._MSAARenderBuffer && (this._context.deleteRenderbuffer(this._MSAARenderBuffer),
                this._MSAARenderBuffer = null),
                this._webGLTexture && this._context.deleteTexture(this._webGLTexture),
                this.reset()
            }
            ,
            e
        }()
          , Gt = function() {
            function e(e, t) {
                void 0 === t && (t = !0),
                this.effect = null,
                this.defines = null,
                this.drawContext = e.createDrawContext(),
                t && (this.materialContext = e.createMaterialContext())
            }
            return e.IsWrapper = function(e) {
                return void 0 === e.getPipelineContext
            }
            ,
            e.GetEffect = function(e) {
                return void 0 === e.getPipelineContext ? e.effect : e
            }
            ,
            e.prototype.setEffect = function(e, t, i) {
                var n;
                void 0 === i && (i = !0),
                this.effect = e,
                void 0 !== t && (this.defines = t),
                i && (null === (n = this.drawContext) || void 0 === n || n.reset())
            }
            ,
            e.prototype.dispose = function() {
                var e;
                null === (e = this.drawContext) || void 0 === e || e.dispose()
            }
            ,
            e
        }()
          , zt = function() {
            function e(e) {
                void 0 === e && (e = !0),
                this._isStencilTestDirty = !1,
                this._isStencilMaskDirty = !1,
                this._isStencilFuncDirty = !1,
                this._isStencilOpDirty = !1,
                this.useStencilGlobalOnly = !1,
                e && this.reset()
            }
            return Object.defineProperty(e.prototype, "isDirty", {
                get: function() {
                    return this._isStencilTestDirty || this._isStencilMaskDirty || this._isStencilFuncDirty || this._isStencilOpDirty
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "func", {
                get: function() {
                    return this._func
                },
                set: function(e) {
                    this._func !== e && (this._func = e,
                    this._isStencilFuncDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "funcRef", {
                get: function() {
                    return this._funcRef
                },
                set: function(e) {
                    this._funcRef !== e && (this._funcRef = e,
                    this._isStencilFuncDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "funcMask", {
                get: function() {
                    return this._funcMask
                },
                set: function(e) {
                    this._funcMask !== e && (this._funcMask = e,
                    this._isStencilFuncDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opStencilFail", {
                get: function() {
                    return this._opStencilFail
                },
                set: function(e) {
                    this._opStencilFail !== e && (this._opStencilFail = e,
                    this._isStencilOpDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opDepthFail", {
                get: function() {
                    return this._opDepthFail
                },
                set: function(e) {
                    this._opDepthFail !== e && (this._opDepthFail = e,
                    this._isStencilOpDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opStencilDepthPass", {
                get: function() {
                    return this._opStencilDepthPass
                },
                set: function(e) {
                    this._opStencilDepthPass !== e && (this._opStencilDepthPass = e,
                    this._isStencilOpDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mask", {
                get: function() {
                    return this._mask
                },
                set: function(e) {
                    this._mask !== e && (this._mask = e,
                    this._isStencilMaskDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    this._enabled !== e && (this._enabled = e,
                    this._isStencilTestDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function() {
                var e;
                this.stencilMaterial = void 0,
                null === (e = this.stencilGlobal) || void 0 === e || e.reset(),
                this._isStencilTestDirty = !0,
                this._isStencilMaskDirty = !0,
                this._isStencilFuncDirty = !0,
                this._isStencilOpDirty = !0
            }
            ,
            e.prototype.apply = function(e) {
                var t;
                if (e) {
                    var i = !this.useStencilGlobalOnly && !!(null === (t = this.stencilMaterial) || void 0 === t ? void 0 : t.enabled);
                    this.enabled = i ? this.stencilMaterial.enabled : this.stencilGlobal.enabled,
                    this.func = i ? this.stencilMaterial.func : this.stencilGlobal.func,
                    this.funcRef = i ? this.stencilMaterial.funcRef : this.stencilGlobal.funcRef,
                    this.funcMask = i ? this.stencilMaterial.funcMask : this.stencilGlobal.funcMask,
                    this.opStencilFail = i ? this.stencilMaterial.opStencilFail : this.stencilGlobal.opStencilFail,
                    this.opDepthFail = i ? this.stencilMaterial.opDepthFail : this.stencilGlobal.opDepthFail,
                    this.opStencilDepthPass = i ? this.stencilMaterial.opStencilDepthPass : this.stencilGlobal.opStencilDepthPass,
                    this.mask = i ? this.stencilMaterial.mask : this.stencilGlobal.mask,
                    this.isDirty && (this._isStencilTestDirty && (this.enabled ? e.enable(e.STENCIL_TEST) : e.disable(e.STENCIL_TEST),
                    this._isStencilTestDirty = !1),
                    this._isStencilMaskDirty && (e.stencilMask(this.mask),
                    this._isStencilMaskDirty = !1),
                    this._isStencilFuncDirty && (e.stencilFunc(this.func, this.funcRef, this.funcMask),
                    this._isStencilFuncDirty = !1),
                    this._isStencilOpDirty && (e.stencilOp(this.opStencilFail, this.opDepthFail, this.opStencilDepthPass),
                    this._isStencilOpDirty = !1))
                }
            }
            ,
            e
        }()
          , Wt = function() {}
          , Ht = function() {
            function e(t, i, n, r) {
                var o = this;
                this._name = "WebGL",
                this.forcePOTTextures = !1,
                this.isFullscreen = !1,
                this.cullBackFaces = null,
                this.renderEvenInBackground = !0,
                this.preventCacheWipeBetweenFrames = !1,
                this.validateShaderPrograms = !1,
                this._useReverseDepthBuffer = !1,
                this.isNDCHalfZRange = !1,
                this.hasOriginBottomLeft = !0,
                this.disableUniformBuffers = !1,
                this.onDisposeObservable = new h,
                this._frameId = 0,
                this._uniformBuffers = new Array,
                this._storageBuffers = new Array,
                this._webGLVersion = 1,
                this._windowIsBackground = !1,
                this._highPrecisionShadersAllowed = !0,
                this._badOS = !1,
                this._badDesktopOS = !1,
                this._renderingQueueLaunched = !1,
                this._activeRenderLoops = new Array,
                this.onContextLostObservable = new h,
                this.onContextRestoredObservable = new h,
                this._contextWasLost = !1,
                this._doNotHandleContextLost = !1,
                this.disableVertexArrayObjects = !1,
                this._colorWrite = !0,
                this._colorWriteChanged = !0,
                this._depthCullingState = new It,
                this._stencilStateComposer = new zt,
                this._stencilState = new Ot,
                this._alphaState = new Dt,
                this._alphaMode = a.ALPHA_ADD,
                this._alphaEquation = a.ALPHA_DISABLE,
                this._internalTexturesCache = new Array,
                this._renderTargetWrapperCache = new Array,
                this._activeChannel = 0,
                this._currentTextureChannel = -1,
                this._boundTexturesCache = {},
                this._compiledEffects = {},
                this._vertexAttribArraysEnabled = [],
                this._uintIndicesCurrentlySet = !1,
                this._currentBoundBuffer = new Array,
                this._currentFramebuffer = null,
                this._dummyFramebuffer = null,
                this._currentBufferPointers = new Array,
                this._currentInstanceLocations = new Array,
                this._currentInstanceBuffers = new Array,
                this._vaoRecordInProgress = !1,
                this._mustWipeVertexAttributes = !1,
                this._nextFreeTextureSlots = new Array,
                this._maxSimultaneousTextures = 0,
                this._activeRequests = new Array,
                this._adaptToDeviceRatio = !1,
                this._transformTextureUrl = null,
                this.hostInformation = {
                    isMobile: !1
                },
                this.premultipliedAlpha = !0,
                this.onBeforeTextureInitObservable = new h,
                this._isWebGPU = !1,
                this._snapshotRenderingMode = a.SNAPSHOTRENDERING_STANDARD,
                this._viewportCached = {
                    x: 0,
                    y: 0,
                    z: 0,
                    w: 0
                },
                this._unpackFlipYCached = null,
                this.enableUnpackFlipYCached = !0,
                this._boundUniforms = {};
                var s = null;
                if (n = n || {},
                this._creationOptions = n,
                this._adaptToDeviceRatio = null != r && r,
                this._stencilStateComposer.stencilGlobal = this._stencilState,
                T.SetMatrixPrecision(!!n.useHighPrecisionMatrix),
                t) {
                    if (r = r || n.adaptToDeviceRatio || !1,
                    t.getContext) {
                        if (s = t,
                        this._renderingCanvas = s,
                        void 0 !== i && (n.antialias = i),
                        void 0 === n.deterministicLockstep && (n.deterministicLockstep = !1),
                        void 0 === n.lockstepMaxSteps && (n.lockstepMaxSteps = 4),
                        void 0 === n.timeStep && (n.timeStep = 1 / 60),
                        void 0 === n.preserveDrawingBuffer && (n.preserveDrawingBuffer = !1),
                        void 0 === n.audioEngine && (n.audioEngine = !0),
                        void 0 !== n.audioEngineOptions && void 0 !== n.audioEngineOptions.audioContext && (this._audioContext = n.audioEngineOptions.audioContext),
                        void 0 !== n.audioEngineOptions && void 0 !== n.audioEngineOptions.audioDestination && (this._audioDestination = n.audioEngineOptions.audioDestination),
                        void 0 === n.stencil && (n.stencil = !0),
                        !1 === n.premultipliedAlpha && (this.premultipliedAlpha = !1),
                        void 0 === n.xrCompatible && (n.xrCompatible = !0),
                        this._doNotHandleContextLost = !!n.doNotHandleContextLost,
                        navigator && navigator.userAgent) {
                            this._checkForMobile = function() {
                                var e = navigator.userAgent;
                                o.hostInformation.isMobile = -1 !== e.indexOf("Mobile") || -1 !== e.indexOf("Mac") && ot() && "ontouchend"in document
                            }
                            ,
                            this._checkForMobile(),
                            nt() && window.addEventListener("resize", this._checkForMobile);
                            for (var l = navigator.userAgent, c = 0, u = e.ExceptionList; c < u.length; c++) {
                                var d = u[c]
                                  , p = d.key
                                  , f = d.targets;
                                if (new RegExp(p).test(l)) {
                                    if (d.capture && d.captureConstraint) {
                                        var _ = d.capture
                                          , m = d.captureConstraint
                                          , g = new RegExp(_).exec(l);
                                        if (g && g.length > 0 && parseInt(g[g.length - 1]) >= m)
                                            continue
                                    }
                                    for (var v = 0, y = f; v < y.length; v++)
                                        switch (y[v]) {
                                        case "uniformBuffer":
                                            this.disableUniformBuffers = !0;
                                            break;
                                        case "vao":
                                            this.disableVertexArrayObjects = !0
                                        }
                                }
                            }
                        }
                        if (this._doNotHandleContextLost || (this._onContextLost = function(e) {
                            e.preventDefault(),
                            o._contextWasLost = !0,
                            K.Warn("WebGL context lost."),
                            o.onContextLostObservable.notifyObservers(o)
                        }
                        ,
                        this._onContextRestored = function() {
                            o._restoreEngineAfterContextLost(o._initGLContext.bind(o))
                        }
                        ,
                        s.addEventListener("webglcontextlost", this._onContextLost, !1),
                        s.addEventListener("webglcontextrestored", this._onContextRestored, !1),
                        n.powerPreference = "high-performance"),
                        this._badDesktopOS = /^((?!chrome|android).)*safari/i.test(navigator.userAgent),
                        this._badDesktopOS && (n.xrCompatible = !1),
                        !n.disableWebGL2Support)
                            try {
                                this._gl = s.getContext("webgl2", n) || s.getContext("experimental-webgl2", n),
                                this._gl && (this._webGLVersion = 2,
                                this._shaderPlatformName = "WEBGL2",
                                this._gl.deleteQuery || (this._webGLVersion = 1,
                                this._shaderPlatformName = "WEBGL1"))
                            } catch (e) {}
                        if (!this._gl) {
                            if (!s)
                                throw new Error("The provided canvas is null or undefined.");
                            try {
                                this._gl = s.getContext("webgl", n) || s.getContext("experimental-webgl", n)
                            } catch (e) {
                                throw new Error("WebGL not supported")
                            }
                        }
                        if (!this._gl)
                            throw new Error("WebGL not supported")
                    } else {
                        this._gl = t,
                        this._renderingCanvas = this._gl.canvas,
                        this._gl.renderbufferStorageMultisample ? (this._webGLVersion = 2,
                        this._shaderPlatformName = "WEBGL2") : this._shaderPlatformName = "WEBGL1";
                        var b = this._gl.getContextAttributes();
                        b && (n.stencil = b.stencil)
                    }
                    this._gl.pixelStorei(this._gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, this._gl.NONE),
                    void 0 !== n.useHighPrecisionFloats && (this._highPrecisionShadersAllowed = n.useHighPrecisionFloats);
                    var E = nt() && window.devicePixelRatio || 1
                      , S = n.limitDeviceRatio || E;
                    this._hardwareScalingLevel = r ? 1 / Math.min(S, E) : 1,
                    this.resize(),
                    this._isStencilEnable = !!n.stencil,
                    this._initGLContext(),
                    this._initFeatures();
                    for (var A = 0; A < this._caps.maxVertexAttribs; A++)
                        this._currentBufferPointers[A] = new Wt;
                    this._shaderProcessor = this.webGLVersion > 1 ? new wt : new Ft,
                    this._badOS = /iPad/i.test(navigator.userAgent) || /iPhone/i.test(navigator.userAgent);
                    var x = "Babylon.js v".concat(e.Version);
                    console.log(x + " - ".concat(this.description)),
                    this._renderingCanvas && this._renderingCanvas.setAttribute && this._renderingCanvas.setAttribute("data-engine", x)
                }
            }
            return Object.defineProperty(e, "NpmPackage", {
                get: function() {
                    return "babylonjs@5.0.0-rc.4"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "Version", {
                get: function() {
                    return "5.0.0-rc.4"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "description", {
                get: function() {
                    var e = this.name + this.webGLVersion;
                    return this._caps.parallelShaderCompile && (e += " - Parallel shader compilation"),
                    e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return this._name
                },
                set: function(e) {
                    this._name = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "version", {
                get: function() {
                    return this._webGLVersion
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ShadersRepository", {
                get: function() {
                    return Mt.ShadersRepository
                },
                set: function(e) {
                    Mt.ShadersRepository = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getShaderProcessor = function(e) {
                return this._shaderProcessor
            }
            ,
            Object.defineProperty(e.prototype, "useReverseDepthBuffer", {
                get: function() {
                    return this._useReverseDepthBuffer
                },
                set: function(e) {
                    e !== this._useReverseDepthBuffer && (this._useReverseDepthBuffer = e,
                    this._depthCullingState.depthFunc = e ? a.GEQUAL : a.LEQUAL)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "frameId", {
                get: function() {
                    return this._frameId
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "supportsUniformBuffers", {
                get: function() {
                    return this.webGLVersion > 1 && !this.disableUniformBuffers
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getCreationOptions = function() {
                return this._creationOptions
            }
            ,
            Object.defineProperty(e.prototype, "_shouldUseHighPrecisionShader", {
                get: function() {
                    return !(!this._caps.highPrecisionShaderSupported || !this._highPrecisionShadersAllowed)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "needPOTTextures", {
                get: function() {
                    return this._webGLVersion < 2 || this.forcePOTTextures
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "activeRenderLoops", {
                get: function() {
                    return this._activeRenderLoops
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "doNotHandleContextLost", {
                get: function() {
                    return this._doNotHandleContextLost
                },
                set: function(e) {
                    this._doNotHandleContextLost = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_supportsHardwareTextureRescaling", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "framebufferDimensionsObject", {
                set: function(e) {
                    this._framebufferDimensionsObject = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentViewport", {
                get: function() {
                    return this._cachedViewport
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "emptyTexture", {
                get: function() {
                    return this._emptyTexture || (this._emptyTexture = this.createRawTexture(new Uint8Array(4), 1, 1, a.TEXTUREFORMAT_RGBA, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)),
                    this._emptyTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "emptyTexture3D", {
                get: function() {
                    return this._emptyTexture3D || (this._emptyTexture3D = this.createRawTexture3D(new Uint8Array(4), 1, 1, 1, a.TEXTUREFORMAT_RGBA, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)),
                    this._emptyTexture3D
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "emptyTexture2DArray", {
                get: function() {
                    return this._emptyTexture2DArray || (this._emptyTexture2DArray = this.createRawTexture2DArray(new Uint8Array(4), 1, 1, 1, a.TEXTUREFORMAT_RGBA, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)),
                    this._emptyTexture2DArray
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "emptyCubeTexture", {
                get: function() {
                    if (!this._emptyCubeTexture) {
                        var e = new Uint8Array(4)
                          , t = [e, e, e, e, e, e];
                        this._emptyCubeTexture = this.createRawCubeTexture(t, 1, a.TEXTUREFORMAT_RGBA, a.TEXTURETYPE_UNSIGNED_INT, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)
                    }
                    return this._emptyCubeTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isWebGPU", {
                get: function() {
                    return this._isWebGPU
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shaderPlatformName", {
                get: function() {
                    return this._shaderPlatformName
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "snapshotRendering", {
                get: function() {
                    return !1
                },
                set: function(e) {},
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "snapshotRenderingMode", {
                get: function() {
                    return this._snapshotRenderingMode
                },
                set: function(e) {
                    this._snapshotRenderingMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.snapshotRenderingReset = function() {
                this.snapshotRendering = !1
            }
            ,
            e._CreateCanvas = function(e, t) {
                if ("undefined" == typeof document)
                    return new OffscreenCanvas(e,t);
                var i = document.createElement("canvas");
                return i.width = e,
                i.height = t,
                i
            }
            ,
            e.prototype.createCanvas = function(t, i) {
                return e._CreateCanvas(t, i)
            }
            ,
            e.prototype.createCanvasImage = function() {
                return document.createElement("img")
            }
            ,
            e.prototype._restoreEngineAfterContextLost = function(e) {
                var t = this;
                setTimeout((function() {
                    return G(t, void 0, void 0, (function() {
                        var t, i, n, r, o;
                        return z(this, (function(a) {
                            switch (a.label) {
                            case 0:
                                return this._dummyFramebuffer = null,
                                t = this._depthCullingState.depthTest,
                                i = this._depthCullingState.depthFunc,
                                n = this._depthCullingState.depthMask,
                                r = this._stencilState.stencilTest,
                                [4, e()];
                            case 1:
                                return a.sent(),
                                this._rebuildEffects(),
                                null === (o = this._rebuildComputeEffects) || void 0 === o || o.call(this),
                                this._rebuildInternalTextures(),
                                this._rebuildRenderTargetWrappers(),
                                this._rebuildBuffers(),
                                this.wipeCaches(!0),
                                this._depthCullingState.depthTest = t,
                                this._depthCullingState.depthFunc = i,
                                this._depthCullingState.depthMask = n,
                                this._stencilState.stencilTest = r,
                                K.Warn(this.name + " context successfully restored."),
                                this.onContextRestoredObservable.notifyObservers(this),
                                this._contextWasLost = !1,
                                [2]
                            }
                        }
                        ))
                    }
                    ))
                }
                ), 0)
            }
            ,
            e.prototype._sharedInit = function(e, t, i) {
                this._renderingCanvas = e
            }
            ,
            e.prototype._getShaderProcessingContext = function(e) {
                return null
            }
            ,
            e.prototype._rebuildInternalTextures = function() {
                for (var e = 0, t = this._internalTexturesCache.slice(); e < t.length; e++)
                    t[e]._rebuild()
            }
            ,
            e.prototype._rebuildRenderTargetWrappers = function() {
                for (var e = 0, t = this._renderTargetWrapperCache.slice(); e < t.length; e++)
                    t[e]._rebuild()
            }
            ,
            e.prototype._rebuildEffects = function() {
                for (var e in this._compiledEffects) {
                    var t = this._compiledEffects[e];
                    t._pipelineContext = null,
                    t._wasPreviouslyReady = !1,
                    t._prepareEffect()
                }
                Mt.ResetCache()
            }
            ,
            e.prototype.areAllEffectsReady = function() {
                for (var e in this._compiledEffects)
                    if (!this._compiledEffects[e].isReady())
                        return !1;
                return !0
            }
            ,
            e.prototype._rebuildBuffers = function() {
                for (var e = 0, t = this._uniformBuffers; e < t.length; e++)
                    t[e]._rebuild();
                for (var i = 0, n = this._storageBuffers; i < n.length; i++)
                    n[i]._rebuild()
            }
            ,
            e.prototype._initGLContext = function() {
                this._caps = {
                    maxTexturesImageUnits: this._gl.getParameter(this._gl.MAX_TEXTURE_IMAGE_UNITS),
                    maxCombinedTexturesImageUnits: this._gl.getParameter(this._gl.MAX_COMBINED_TEXTURE_IMAGE_UNITS),
                    maxVertexTextureImageUnits: this._gl.getParameter(this._gl.MAX_VERTEX_TEXTURE_IMAGE_UNITS),
                    maxTextureSize: this._gl.getParameter(this._gl.MAX_TEXTURE_SIZE),
                    maxSamples: this._webGLVersion > 1 ? this._gl.getParameter(this._gl.MAX_SAMPLES) : 1,
                    maxCubemapTextureSize: this._gl.getParameter(this._gl.MAX_CUBE_MAP_TEXTURE_SIZE),
                    maxRenderTextureSize: this._gl.getParameter(this._gl.MAX_RENDERBUFFER_SIZE),
                    maxVertexAttribs: this._gl.getParameter(this._gl.MAX_VERTEX_ATTRIBS),
                    maxVaryingVectors: this._gl.getParameter(this._gl.MAX_VARYING_VECTORS),
                    maxFragmentUniformVectors: this._gl.getParameter(this._gl.MAX_FRAGMENT_UNIFORM_VECTORS),
                    maxVertexUniformVectors: this._gl.getParameter(this._gl.MAX_VERTEX_UNIFORM_VECTORS),
                    parallelShaderCompile: this._gl.getExtension("KHR_parallel_shader_compile") || void 0,
                    standardDerivatives: this._webGLVersion > 1 || null !== this._gl.getExtension("OES_standard_derivatives"),
                    maxAnisotropy: 1,
                    astc: this._gl.getExtension("WEBGL_compressed_texture_astc") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_astc"),
                    bptc: this._gl.getExtension("EXT_texture_compression_bptc") || this._gl.getExtension("WEBKIT_EXT_texture_compression_bptc"),
                    s3tc: this._gl.getExtension("WEBGL_compressed_texture_s3tc") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc"),
                    s3tc_srgb: this._gl.getExtension("WEBGL_compressed_texture_s3tc_srgb") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc_srgb"),
                    pvrtc: this._gl.getExtension("WEBGL_compressed_texture_pvrtc") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc"),
                    etc1: this._gl.getExtension("WEBGL_compressed_texture_etc1") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_etc1"),
                    etc2: this._gl.getExtension("WEBGL_compressed_texture_etc") || this._gl.getExtension("WEBKIT_WEBGL_compressed_texture_etc") || this._gl.getExtension("WEBGL_compressed_texture_es3_0"),
                    textureAnisotropicFilterExtension: this._gl.getExtension("EXT_texture_filter_anisotropic") || this._gl.getExtension("WEBKIT_EXT_texture_filter_anisotropic") || this._gl.getExtension("MOZ_EXT_texture_filter_anisotropic"),
                    uintIndices: this._webGLVersion > 1 || null !== this._gl.getExtension("OES_element_index_uint"),
                    fragmentDepthSupported: this._webGLVersion > 1 || null !== this._gl.getExtension("EXT_frag_depth"),
                    highPrecisionShaderSupported: !1,
                    timerQuery: this._gl.getExtension("EXT_disjoint_timer_query_webgl2") || this._gl.getExtension("EXT_disjoint_timer_query"),
                    supportOcclusionQuery: this._webGLVersion > 1,
                    canUseTimestampForTimerQuery: !1,
                    drawBuffersExtension: !1,
                    maxMSAASamples: 1,
                    colorBufferFloat: !!(this._webGLVersion > 1 && this._gl.getExtension("EXT_color_buffer_float")),
                    textureFloat: !!(this._webGLVersion > 1 || this._gl.getExtension("OES_texture_float")),
                    textureHalfFloat: !!(this._webGLVersion > 1 || this._gl.getExtension("OES_texture_half_float")),
                    textureHalfFloatRender: !1,
                    textureFloatLinearFiltering: !1,
                    textureFloatRender: !1,
                    textureHalfFloatLinearFiltering: !1,
                    vertexArrayObject: !1,
                    instancedArrays: !1,
                    textureLOD: !!(this._webGLVersion > 1 || this._gl.getExtension("EXT_shader_texture_lod")),
                    blendMinMax: !1,
                    multiview: this._gl.getExtension("OVR_multiview2"),
                    oculusMultiview: this._gl.getExtension("OCULUS_multiview"),
                    depthTextureExtension: !1,
                    canUseGLInstanceID: this._webGLVersion > 1,
                    canUseGLVertexID: this._webGLVersion > 1,
                    supportComputeShaders: !1,
                    supportSRGBBuffers: !1,
                    supportTransformFeedbacks: this._webGLVersion > 1,
                    textureMaxLevel: this._webGLVersion > 1
                },
                this._glVersion = this._gl.getParameter(this._gl.VERSION);
                var e = this._gl.getExtension("WEBGL_debug_renderer_info");
                if (null != e && (this._glRenderer = this._gl.getParameter(e.UNMASKED_RENDERER_WEBGL),
                this._glVendor = this._gl.getParameter(e.UNMASKED_VENDOR_WEBGL)),
                this._glVendor || (this._glVendor = this._gl.getParameter(this._gl.VENDOR) || "Unknown vendor"),
                this._glRenderer || (this._glRenderer = this._gl.getParameter(this._gl.RENDERER) || "Unknown renderer"),
                36193 !== this._gl.HALF_FLOAT_OES && (this._gl.HALF_FLOAT_OES = 36193),
                34842 !== this._gl.RGBA16F && (this._gl.RGBA16F = 34842),
                34836 !== this._gl.RGBA32F && (this._gl.RGBA32F = 34836),
                35056 !== this._gl.DEPTH24_STENCIL8 && (this._gl.DEPTH24_STENCIL8 = 35056),
                this._caps.timerQuery && (1 === this._webGLVersion && (this._gl.getQuery = this._caps.timerQuery.getQueryEXT.bind(this._caps.timerQuery)),
                this._caps.canUseTimestampForTimerQuery = this._gl.getQuery(this._caps.timerQuery.TIMESTAMP_EXT, this._caps.timerQuery.QUERY_COUNTER_BITS_EXT) > 0),
                this._caps.maxAnisotropy = this._caps.textureAnisotropicFilterExtension ? this._gl.getParameter(this._caps.textureAnisotropicFilterExtension.MAX_TEXTURE_MAX_ANISOTROPY_EXT) : 0,
                this._caps.textureFloatLinearFiltering = !(!this._caps.textureFloat || !this._gl.getExtension("OES_texture_float_linear")),
                this._caps.textureFloatRender = !(!this._caps.textureFloat || !this._canRenderToFloatFramebuffer()),
                this._caps.textureHalfFloatLinearFiltering = !!(this._webGLVersion > 1 || this._caps.textureHalfFloat && this._gl.getExtension("OES_texture_half_float_linear")),
                this._caps.astc && (this._gl.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR = this._caps.astc.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR),
                this._caps.bptc && (this._gl.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT = this._caps.bptc.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT),
                this._caps.s3tc_srgb && (this._gl.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT = this._caps.s3tc_srgb.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT,
                this._gl.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT = this._caps.s3tc_srgb.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT),
                this._webGLVersion > 1 && 5131 !== this._gl.HALF_FLOAT_OES && (this._gl.HALF_FLOAT_OES = 5131),
                this._caps.textureHalfFloatRender = this._caps.textureHalfFloat && this._canRenderToHalfFloatFramebuffer(),
                this._webGLVersion > 1)
                    this._caps.drawBuffersExtension = !0,
                    this._caps.maxMSAASamples = this._gl.getParameter(this._gl.MAX_SAMPLES);
                else {
                    var t = this._gl.getExtension("WEBGL_draw_buffers");
                    if (null !== t) {
                        this._caps.drawBuffersExtension = !0,
                        this._gl.drawBuffers = t.drawBuffersWEBGL.bind(t),
                        this._gl.DRAW_FRAMEBUFFER = this._gl.FRAMEBUFFER;
                        for (var i = 0; i < 16; i++)
                            this._gl["COLOR_ATTACHMENT" + i + "_WEBGL"] = t["COLOR_ATTACHMENT" + i + "_WEBGL"]
                    }
                }
                if (this._webGLVersion > 1)
                    this._caps.depthTextureExtension = !0;
                else {
                    var n = this._gl.getExtension("WEBGL_depth_texture");
                    null != n && (this._caps.depthTextureExtension = !0,
                    this._gl.UNSIGNED_INT_24_8 = n.UNSIGNED_INT_24_8_WEBGL)
                }
                if (this.disableVertexArrayObjects)
                    this._caps.vertexArrayObject = !1;
                else if (this._webGLVersion > 1)
                    this._caps.vertexArrayObject = !0;
                else {
                    var r = this._gl.getExtension("OES_vertex_array_object");
                    null != r && (this._caps.vertexArrayObject = !0,
                    this._gl.createVertexArray = r.createVertexArrayOES.bind(r),
                    this._gl.bindVertexArray = r.bindVertexArrayOES.bind(r),
                    this._gl.deleteVertexArray = r.deleteVertexArrayOES.bind(r))
                }
                if (this._webGLVersion > 1)
                    this._caps.instancedArrays = !0;
                else {
                    var o = this._gl.getExtension("ANGLE_instanced_arrays");
                    null != o ? (this._caps.instancedArrays = !0,
                    this._gl.drawArraysInstanced = o.drawArraysInstancedANGLE.bind(o),
                    this._gl.drawElementsInstanced = o.drawElementsInstancedANGLE.bind(o),
                    this._gl.vertexAttribDivisor = o.vertexAttribDivisorANGLE.bind(o)) : this._caps.instancedArrays = !1
                }
                if (this._gl.getShaderPrecisionFormat) {
                    var a = this._gl.getShaderPrecisionFormat(this._gl.VERTEX_SHADER, this._gl.HIGH_FLOAT)
                      , s = this._gl.getShaderPrecisionFormat(this._gl.FRAGMENT_SHADER, this._gl.HIGH_FLOAT);
                    a && s && (this._caps.highPrecisionShaderSupported = 0 !== a.precision && 0 !== s.precision)
                }
                if (this._webGLVersion > 1)
                    this._caps.blendMinMax = !0;
                else {
                    var l = this._gl.getExtension("EXT_blend_minmax");
                    null != l && (this._caps.blendMinMax = !0,
                    this._gl.MAX = l.MAX_EXT,
                    this._gl.MIN = l.MIN_EXT)
                }
                if (!this._caps.supportSRGBBuffers) {
                    if (this._webGLVersion > 1)
                        this._caps.supportSRGBBuffers = !0;
                    else {
                        var c = this._gl.getExtension("EXT_sRGB");
                        null != c && (this._caps.supportSRGBBuffers = !0,
                        this._gl.SRGB = c.SRGB_EXT,
                        this._gl.SRGB8 = c.SRGB_ALPHA_EXT,
                        this._gl.SRGB8_ALPHA8 = c.SRGB_ALPHA_EXT)
                    }
                    this._caps.supportSRGBBuffers = this._caps.supportSRGBBuffers && !(!this._creationOptions || !this._creationOptions.forceSRGBBufferSupportState)
                }
                this._depthCullingState.depthTest = !0,
                this._depthCullingState.depthFunc = this._gl.LEQUAL,
                this._depthCullingState.depthMask = !0,
                this._maxSimultaneousTextures = this._caps.maxCombinedTexturesImageUnits;
                for (var u = 0; u < this._maxSimultaneousTextures; u++)
                    this._nextFreeTextureSlots.push(u)
            }
            ,
            e.prototype._initFeatures = function() {
                this._features = {
                    forceBitmapOverHTMLImageElement: !1,
                    supportRenderAndCopyToLodForFloatTextures: 1 !== this._webGLVersion,
                    supportDepthStencilTexture: 1 !== this._webGLVersion,
                    supportShadowSamplers: 1 !== this._webGLVersion,
                    uniformBufferHardCheckMatrix: !1,
                    allowTexturePrefiltering: 1 !== this._webGLVersion,
                    trackUbosInFrame: !1,
                    checkUbosContentBeforeUpload: !1,
                    supportCSM: 1 !== this._webGLVersion,
                    basisNeedsPOT: 1 === this._webGLVersion,
                    support3DTextures: 1 !== this._webGLVersion,
                    needTypeSuffixInShaderConstants: 1 !== this._webGLVersion,
                    supportMSAA: 1 !== this._webGLVersion,
                    supportSSAO2: 1 !== this._webGLVersion,
                    supportExtendedTextureFormats: 1 !== this._webGLVersion,
                    supportSwitchCaseInShader: 1 !== this._webGLVersion,
                    supportSyncTextureRead: !0,
                    needsInvertingBitmap: !0,
                    useUBOBindingCache: !0,
                    needShaderCodeInlining: !1,
                    needToAlwaysBindUniformBuffers: !1,
                    supportRenderPasses: !1,
                    _collectUbosUpdatedInFrame: !1
                }
            }
            ,
            Object.defineProperty(e.prototype, "webGLVersion", {
                get: function() {
                    return this._webGLVersion
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "ThinEngine"
            }
            ,
            Object.defineProperty(e.prototype, "isStencilEnable", {
                get: function() {
                    return this._isStencilEnable
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._prepareWorkingCanvas = function() {
                if (!this._workingCanvas) {
                    this._workingCanvas = this.createCanvas(1, 1);
                    var e = this._workingCanvas.getContext("2d");
                    e && (this._workingContext = e)
                }
            }
            ,
            e.prototype.resetTextureCache = function() {
                for (var e in this._boundTexturesCache)
                    Object.prototype.hasOwnProperty.call(this._boundTexturesCache, e) && (this._boundTexturesCache[e] = null);
                this._currentTextureChannel = -1
            }
            ,
            e.prototype.getInfo = function() {
                return this.getGlInfo()
            }
            ,
            e.prototype.getGlInfo = function() {
                return {
                    vendor: this._glVendor,
                    renderer: this._glRenderer,
                    version: this._glVersion
                }
            }
            ,
            e.prototype.setHardwareScalingLevel = function(e) {
                this._hardwareScalingLevel = e,
                this.resize()
            }
            ,
            e.prototype.getHardwareScalingLevel = function() {
                return this._hardwareScalingLevel
            }
            ,
            e.prototype.getLoadedTexturesCache = function() {
                return this._internalTexturesCache
            }
            ,
            e.prototype.getCaps = function() {
                return this._caps
            }
            ,
            e.prototype.stopRenderLoop = function(e) {
                if (e) {
                    var t = this._activeRenderLoops.indexOf(e);
                    t >= 0 && this._activeRenderLoops.splice(t, 1)
                } else
                    this._activeRenderLoops = []
            }
            ,
            e.prototype._renderLoop = function() {
                if (!this._contextWasLost) {
                    var e = !0;
                    if (!this.renderEvenInBackground && this._windowIsBackground && (e = !1),
                    e) {
                        this.beginFrame();
                        for (var t = 0; t < this._activeRenderLoops.length; t++)
                            (0,
                            this._activeRenderLoops[t])();
                        this.endFrame()
                    }
                }
                this._activeRenderLoops.length > 0 ? this._frameHandler = this._queueNewFrame(this._boundRenderFunction, this.getHostWindow()) : this._renderingQueueLaunched = !1
            }
            ,
            e.prototype.getRenderingCanvas = function() {
                return this._renderingCanvas
            }
            ,
            e.prototype.getAudioContext = function() {
                return this._audioContext
            }
            ,
            e.prototype.getAudioDestination = function() {
                return this._audioDestination
            }
            ,
            e.prototype.getHostWindow = function() {
                return nt() ? this._renderingCanvas && this._renderingCanvas.ownerDocument && this._renderingCanvas.ownerDocument.defaultView ? this._renderingCanvas.ownerDocument.defaultView : window : null
            }
            ,
            e.prototype.getRenderWidth = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.width : this._framebufferDimensionsObject ? this._framebufferDimensionsObject.framebufferWidth : this._gl.drawingBufferWidth
            }
            ,
            e.prototype.getRenderHeight = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.height : this._framebufferDimensionsObject ? this._framebufferDimensionsObject.framebufferHeight : this._gl.drawingBufferHeight
            }
            ,
            e.prototype._queueNewFrame = function(t, i) {
                return e.QueueNewFrame(t, i)
            }
            ,
            e.prototype.runRenderLoop = function(e) {
                -1 === this._activeRenderLoops.indexOf(e) && (this._activeRenderLoops.push(e),
                this._renderingQueueLaunched || (this._renderingQueueLaunched = !0,
                this._boundRenderFunction = this._renderLoop.bind(this),
                this._frameHandler = this._queueNewFrame(this._boundRenderFunction, this.getHostWindow())))
            }
            ,
            e.prototype.clear = function(e, t, i, n) {
                void 0 === n && (n = !1);
                var r = this.stencilStateComposer.useStencilGlobalOnly;
                this.stencilStateComposer.useStencilGlobalOnly = !0,
                this.applyStates(),
                this.stencilStateComposer.useStencilGlobalOnly = r;
                var o = 0;
                t && e && (this._gl.clearColor(e.r, e.g, e.b, void 0 !== e.a ? e.a : 1),
                o |= this._gl.COLOR_BUFFER_BIT),
                i && (this.useReverseDepthBuffer ? (this._depthCullingState.depthFunc = this._gl.GEQUAL,
                this._gl.clearDepth(0)) : this._gl.clearDepth(1),
                o |= this._gl.DEPTH_BUFFER_BIT),
                n && (this._gl.clearStencil(0),
                o |= this._gl.STENCIL_BUFFER_BIT),
                this._gl.clear(o)
            }
            ,
            e.prototype._viewport = function(e, t, i, n) {
                e === this._viewportCached.x && t === this._viewportCached.y && i === this._viewportCached.z && n === this._viewportCached.w || (this._viewportCached.x = e,
                this._viewportCached.y = t,
                this._viewportCached.z = i,
                this._viewportCached.w = n,
                this._gl.viewport(e, t, i, n))
            }
            ,
            e.prototype.setViewport = function(e, t, i) {
                var n = t || this.getRenderWidth()
                  , r = i || this.getRenderHeight()
                  , o = e.x || 0
                  , a = e.y || 0;
                this._cachedViewport = e,
                this._viewport(o * n, a * r, n * e.width, r * e.height)
            }
            ,
            e.prototype.beginFrame = function() {}
            ,
            e.prototype.endFrame = function() {
                this._badOS && this.flushFramebuffer(),
                this._frameId++
            }
            ,
            e.prototype.resize = function(e) {
                var t, i;
                if (void 0 === e && (e = !1),
                this._adaptToDeviceRatio) {
                    var n = nt() && window.devicePixelRatio || 1
                      , r = this._creationOptions.limitDeviceRatio || n;
                    this._hardwareScalingLevel = this._adaptToDeviceRatio ? 1 / Math.min(r, n) : 1
                }
                nt() ? (t = this._renderingCanvas ? this._renderingCanvas.clientWidth || this._renderingCanvas.width : window.innerWidth,
                i = this._renderingCanvas ? this._renderingCanvas.clientHeight || this._renderingCanvas.height : window.innerHeight) : (t = this._renderingCanvas ? this._renderingCanvas.width : 100,
                i = this._renderingCanvas ? this._renderingCanvas.height : 100),
                this.setSize(t / this._hardwareScalingLevel, i / this._hardwareScalingLevel, e)
            }
            ,
            e.prototype.setSize = function(e, t, i) {
                return void 0 === i && (i = !1),
                !(!this._renderingCanvas || (e |= 0,
                t |= 0,
                !i && this._renderingCanvas.width === e && this._renderingCanvas.height === t || (this._renderingCanvas.width = e,
                this._renderingCanvas.height = t,
                0)))
            }
            ,
            e.prototype.bindFramebuffer = function(e, t, i, n, r, o, a) {
                var s, l, c, u, h;
                void 0 === t && (t = 0),
                void 0 === o && (o = 0),
                void 0 === a && (a = 0);
                var d = e;
                this._currentRenderTarget && this.unBindFramebuffer(this._currentRenderTarget),
                this._currentRenderTarget = e,
                this._bindUnboundFramebuffer(d._MSAAFramebuffer ? d._MSAAFramebuffer : d._framebuffer);
                var p = this._gl;
                e.is2DArray ? p.framebufferTextureLayer(p.FRAMEBUFFER, p.COLOR_ATTACHMENT0, null === (s = e.texture._hardwareTexture) || void 0 === s ? void 0 : s.underlyingResource, o, a) : e.isCube && p.framebufferTexture2D(p.FRAMEBUFFER, p.COLOR_ATTACHMENT0, p.TEXTURE_CUBE_MAP_POSITIVE_X + t, null === (l = e.texture._hardwareTexture) || void 0 === l ? void 0 : l.underlyingResource, o);
                var f = e._depthStencilTexture;
                if (f) {
                    var _ = e._depthStencilTextureWithStencil ? p.DEPTH_STENCIL_ATTACHMENT : p.DEPTH_ATTACHMENT;
                    e.is2DArray ? p.framebufferTextureLayer(p.FRAMEBUFFER, _, null === (c = f._hardwareTexture) || void 0 === c ? void 0 : c.underlyingResource, o, a) : e.isCube ? p.framebufferTexture2D(p.FRAMEBUFFER, _, p.TEXTURE_CUBE_MAP_POSITIVE_X + t, null === (u = f._hardwareTexture) || void 0 === u ? void 0 : u.underlyingResource, o) : p.framebufferTexture2D(p.FRAMEBUFFER, _, p.TEXTURE_2D, null === (h = f._hardwareTexture) || void 0 === h ? void 0 : h.underlyingResource, o)
                }
                this._cachedViewport && !r ? this.setViewport(this._cachedViewport, i, n) : (i || (i = e.width,
                o && (i /= Math.pow(2, o))),
                n || (n = e.height,
                o && (n /= Math.pow(2, o))),
                this._viewport(0, 0, i, n)),
                this.wipeCaches()
            }
            ,
            e.prototype.setState = function(e, t, i, n, r, o, a) {
                var s, l;
                void 0 === t && (t = 0),
                void 0 === n && (n = !1),
                void 0 === a && (a = 0),
                (this._depthCullingState.cull !== e || i) && (this._depthCullingState.cull = e);
                var c = null === (l = null !== (s = this.cullBackFaces) && void 0 !== s ? s : r) || void 0 === l || l ? this._gl.BACK : this._gl.FRONT;
                (this._depthCullingState.cullFace !== c || i) && (this._depthCullingState.cullFace = c),
                this.setZOffset(t),
                this.setZOffsetUnits(a);
                var u = n ? this._gl.CW : this._gl.CCW;
                (this._depthCullingState.frontFace !== u || i) && (this._depthCullingState.frontFace = u),
                this._stencilStateComposer.stencilMaterial = o
            }
            ,
            e.prototype.setZOffset = function(e) {
                this._depthCullingState.zOffset = this.useReverseDepthBuffer ? -e : e
            }
            ,
            e.prototype.getZOffset = function() {
                var e = this._depthCullingState.zOffset;
                return this.useReverseDepthBuffer ? -e : e
            }
            ,
            e.prototype.setZOffsetUnits = function(e) {
                this._depthCullingState.zOffsetUnits = this.useReverseDepthBuffer ? -e : e
            }
            ,
            e.prototype.getZOffsetUnits = function() {
                var e = this._depthCullingState.zOffsetUnits;
                return this.useReverseDepthBuffer ? -e : e
            }
            ,
            e.prototype._bindUnboundFramebuffer = function(e) {
                this._currentFramebuffer !== e && (this._gl.bindFramebuffer(this._gl.FRAMEBUFFER, e),
                this._currentFramebuffer = e)
            }
            ,
            e.prototype._currentFrameBufferIsDefaultFrameBuffer = function() {
                return null === this._currentFramebuffer
            }
            ,
            e.prototype.generateMipmaps = function(e) {
                this._bindTextureDirectly(this._gl.TEXTURE_2D, e, !0),
                this._gl.generateMipmap(this._gl.TEXTURE_2D),
                this._bindTextureDirectly(this._gl.TEXTURE_2D, null)
            }
            ,
            e.prototype.unBindFramebuffer = function(e, t, i) {
                var n;
                void 0 === t && (t = !1);
                var r = e;
                this._currentRenderTarget = null;
                var o = this._gl;
                if (r._MSAAFramebuffer) {
                    if (e.isMulti)
                        return void this.unBindMultiColorAttachmentFramebuffer(e, t, i);
                    o.bindFramebuffer(o.READ_FRAMEBUFFER, r._MSAAFramebuffer),
                    o.bindFramebuffer(o.DRAW_FRAMEBUFFER, r._framebuffer),
                    o.blitFramebuffer(0, 0, e.width, e.height, 0, 0, e.width, e.height, o.COLOR_BUFFER_BIT, o.NEAREST)
                }
                !(null === (n = e.texture) || void 0 === n ? void 0 : n.generateMipMaps) || t || e.isCube || this.generateMipmaps(e.texture),
                i && (r._MSAAFramebuffer && this._bindUnboundFramebuffer(r._framebuffer),
                i()),
                this._bindUnboundFramebuffer(null)
            }
            ,
            e.prototype.flushFramebuffer = function() {
                this._gl.flush()
            }
            ,
            e.prototype.restoreDefaultFramebuffer = function() {
                this._currentRenderTarget ? this.unBindFramebuffer(this._currentRenderTarget) : this._bindUnboundFramebuffer(null),
                this._cachedViewport && this.setViewport(this._cachedViewport),
                this.wipeCaches()
            }
            ,
            e.prototype._resetVertexBufferBinding = function() {
                this.bindArrayBuffer(null),
                this._cachedVertexBuffers = null
            }
            ,
            e.prototype.createVertexBuffer = function(e) {
                return this._createVertexBuffer(e, this._gl.STATIC_DRAW)
            }
            ,
            e.prototype._createVertexBuffer = function(e, t) {
                var i = this._gl.createBuffer();
                if (!i)
                    throw new Error("Unable to create vertex buffer");
                var n = new Ut(i);
                return this.bindArrayBuffer(n),
                e instanceof Array ? this._gl.bufferData(this._gl.ARRAY_BUFFER, new Float32Array(e), t) : this._gl.bufferData(this._gl.ARRAY_BUFFER, e, t),
                this._resetVertexBufferBinding(),
                n.references = 1,
                n
            }
            ,
            e.prototype.createDynamicVertexBuffer = function(e) {
                return this._createVertexBuffer(e, this._gl.DYNAMIC_DRAW)
            }
            ,
            e.prototype._resetIndexBufferBinding = function() {
                this.bindIndexBuffer(null),
                this._cachedIndexBuffer = null
            }
            ,
            e.prototype.createIndexBuffer = function(e, t) {
                var i = this._gl.createBuffer()
                  , n = new Ut(i);
                if (!i)
                    throw new Error("Unable to create index buffer");
                this.bindIndexBuffer(n);
                var r = this._normalizeIndexData(e);
                return this._gl.bufferData(this._gl.ELEMENT_ARRAY_BUFFER, r, t ? this._gl.DYNAMIC_DRAW : this._gl.STATIC_DRAW),
                this._resetIndexBufferBinding(),
                n.references = 1,
                n.is32Bits = 4 === r.BYTES_PER_ELEMENT,
                n
            }
            ,
            e.prototype._normalizeIndexData = function(e) {
                if (2 === e.BYTES_PER_ELEMENT)
                    return e;
                if (this._caps.uintIndices) {
                    if (e instanceof Uint32Array)
                        return e;
                    for (var t = 0; t < e.length; t++)
                        if (e[t] >= 65535)
                            return new Uint32Array(e);
                    return new Uint16Array(e)
                }
                return new Uint16Array(e)
            }
            ,
            e.prototype.bindArrayBuffer = function(e) {
                this._vaoRecordInProgress || this._unbindVertexArrayObject(),
                this._bindBuffer(e, this._gl.ARRAY_BUFFER)
            }
            ,
            e.prototype.bindUniformBlock = function(e, t, i) {
                var n = e.program
                  , r = this._gl.getUniformBlockIndex(n, t);
                this._gl.uniformBlockBinding(n, r, i)
            }
            ,
            e.prototype.bindIndexBuffer = function(e) {
                this._vaoRecordInProgress || this._unbindVertexArrayObject(),
                this._bindBuffer(e, this._gl.ELEMENT_ARRAY_BUFFER)
            }
            ,
            e.prototype._bindBuffer = function(e, t) {
                (this._vaoRecordInProgress || this._currentBoundBuffer[t] !== e) && (this._gl.bindBuffer(t, e ? e.underlyingResource : null),
                this._currentBoundBuffer[t] = e)
            }
            ,
            e.prototype.updateArrayBuffer = function(e) {
                this._gl.bufferSubData(this._gl.ARRAY_BUFFER, 0, e)
            }
            ,
            e.prototype._vertexAttribPointer = function(e, t, i, n, r, o, a) {
                var s = this._currentBufferPointers[t];
                if (s) {
                    var l = !1;
                    s.active ? (s.buffer !== e && (s.buffer = e,
                    l = !0),
                    s.size !== i && (s.size = i,
                    l = !0),
                    s.type !== n && (s.type = n,
                    l = !0),
                    s.normalized !== r && (s.normalized = r,
                    l = !0),
                    s.stride !== o && (s.stride = o,
                    l = !0),
                    s.offset !== a && (s.offset = a,
                    l = !0)) : (l = !0,
                    s.active = !0,
                    s.index = t,
                    s.size = i,
                    s.type = n,
                    s.normalized = r,
                    s.stride = o,
                    s.offset = a,
                    s.buffer = e),
                    (l || this._vaoRecordInProgress) && (this.bindArrayBuffer(e),
                    this._gl.vertexAttribPointer(t, i, n, r, o, a))
                }
            }
            ,
            e.prototype._bindIndexBufferWithCache = function(e) {
                null != e && this._cachedIndexBuffer !== e && (this._cachedIndexBuffer = e,
                this.bindIndexBuffer(e),
                this._uintIndicesCurrentlySet = e.is32Bits)
            }
            ,
            e.prototype._bindVertexBuffersAttributes = function(e, t, i) {
                var n = t.getAttributesNames();
                this._vaoRecordInProgress || this._unbindVertexArrayObject(),
                this.unbindAllAttributes();
                for (var r = 0; r < n.length; r++) {
                    var o = t.getAttributeLocation(r);
                    if (o >= 0) {
                        var a = n[r]
                          , s = null;
                        if (i && (s = i[a]),
                        s || (s = e[a]),
                        !s)
                            continue;
                        this._gl.enableVertexAttribArray(o),
                        this._vaoRecordInProgress || (this._vertexAttribArraysEnabled[o] = !0);
                        var l = s.getBuffer();
                        l && (this._vertexAttribPointer(l, o, s.getSize(), s.type, s.normalized, s.byteStride, s.byteOffset),
                        s.getIsInstanced() && (this._gl.vertexAttribDivisor(o, s.getInstanceDivisor()),
                        this._vaoRecordInProgress || (this._currentInstanceLocations.push(o),
                        this._currentInstanceBuffers.push(l))))
                    }
                }
            }
            ,
            e.prototype.recordVertexArrayObject = function(e, t, i, n) {
                var r = this._gl.createVertexArray();
                return this._vaoRecordInProgress = !0,
                this._gl.bindVertexArray(r),
                this._mustWipeVertexAttributes = !0,
                this._bindVertexBuffersAttributes(e, i, n),
                this.bindIndexBuffer(t),
                this._vaoRecordInProgress = !1,
                this._gl.bindVertexArray(null),
                r
            }
            ,
            e.prototype.bindVertexArrayObject = function(e, t) {
                this._cachedVertexArrayObject !== e && (this._cachedVertexArrayObject = e,
                this._gl.bindVertexArray(e),
                this._cachedVertexBuffers = null,
                this._cachedIndexBuffer = null,
                this._uintIndicesCurrentlySet = null != t && t.is32Bits,
                this._mustWipeVertexAttributes = !0)
            }
            ,
            e.prototype.bindBuffersDirectly = function(e, t, i, n, r) {
                if (this._cachedVertexBuffers !== e || this._cachedEffectForVertexBuffers !== r) {
                    this._cachedVertexBuffers = e,
                    this._cachedEffectForVertexBuffers = r;
                    var o = r.getAttributesCount();
                    this._unbindVertexArrayObject(),
                    this.unbindAllAttributes();
                    for (var a = 0, s = 0; s < o; s++)
                        if (s < i.length) {
                            var l = r.getAttributeLocation(s);
                            l >= 0 && (this._gl.enableVertexAttribArray(l),
                            this._vertexAttribArraysEnabled[l] = !0,
                            this._vertexAttribPointer(e, l, i[s], this._gl.FLOAT, !1, n, a)),
                            a += 4 * i[s]
                        }
                }
                this._bindIndexBufferWithCache(t)
            }
            ,
            e.prototype._unbindVertexArrayObject = function() {
                this._cachedVertexArrayObject && (this._cachedVertexArrayObject = null,
                this._gl.bindVertexArray(null))
            }
            ,
            e.prototype.bindBuffers = function(e, t, i, n) {
                this._cachedVertexBuffers === e && this._cachedEffectForVertexBuffers === i || (this._cachedVertexBuffers = e,
                this._cachedEffectForVertexBuffers = i,
                this._bindVertexBuffersAttributes(e, i, n)),
                this._bindIndexBufferWithCache(t)
            }
            ,
            e.prototype.unbindInstanceAttributes = function() {
                for (var e, t = 0, i = this._currentInstanceLocations.length; t < i; t++) {
                    var n = this._currentInstanceBuffers[t];
                    e != n && n.references && (e = n,
                    this.bindArrayBuffer(n));
                    var r = this._currentInstanceLocations[t];
                    this._gl.vertexAttribDivisor(r, 0)
                }
                this._currentInstanceBuffers.length = 0,
                this._currentInstanceLocations.length = 0
            }
            ,
            e.prototype.releaseVertexArrayObject = function(e) {
                this._gl.deleteVertexArray(e)
            }
            ,
            e.prototype._releaseBuffer = function(e) {
                return e.references--,
                0 === e.references && (this._deleteBuffer(e),
                !0)
            }
            ,
            e.prototype._deleteBuffer = function(e) {
                this._gl.deleteBuffer(e.underlyingResource)
            }
            ,
            e.prototype.updateAndBindInstancesBuffer = function(e, t, i) {
                if (this.bindArrayBuffer(e),
                t && this._gl.bufferSubData(this._gl.ARRAY_BUFFER, 0, t),
                void 0 !== i[0].index)
                    this.bindInstancesBuffer(e, i, !0);
                else
                    for (var n = 0; n < 4; n++) {
                        var r = i[n];
                        this._vertexAttribArraysEnabled[r] || (this._gl.enableVertexAttribArray(r),
                        this._vertexAttribArraysEnabled[r] = !0),
                        this._vertexAttribPointer(e, r, 4, this._gl.FLOAT, !1, 64, 16 * n),
                        this._gl.vertexAttribDivisor(r, 1),
                        this._currentInstanceLocations.push(r),
                        this._currentInstanceBuffers.push(e)
                    }
            }
            ,
            e.prototype.bindInstancesBuffer = function(e, t, i) {
                void 0 === i && (i = !0),
                this.bindArrayBuffer(e);
                var n = 0;
                if (i)
                    for (var r = 0; r < t.length; r++)
                        n += 4 * (o = t[r]).attributeSize;
                for (r = 0; r < t.length; r++) {
                    var o;
                    void 0 === (o = t[r]).index && (o.index = this._currentEffect.getAttributeLocationByName(o.attributeName)),
                    o.index < 0 || (this._vertexAttribArraysEnabled[o.index] || (this._gl.enableVertexAttribArray(o.index),
                    this._vertexAttribArraysEnabled[o.index] = !0),
                    this._vertexAttribPointer(e, o.index, o.attributeSize, o.attributeType || this._gl.FLOAT, o.normalized || !1, n, o.offset),
                    this._gl.vertexAttribDivisor(o.index, void 0 === o.divisor ? 1 : o.divisor),
                    this._currentInstanceLocations.push(o.index),
                    this._currentInstanceBuffers.push(e))
                }
            }
            ,
            e.prototype.disableInstanceAttributeByName = function(e) {
                if (this._currentEffect) {
                    var t = this._currentEffect.getAttributeLocationByName(e);
                    this.disableInstanceAttribute(t)
                }
            }
            ,
            e.prototype.disableInstanceAttribute = function(e) {
                for (var t, i = !1; -1 !== (t = this._currentInstanceLocations.indexOf(e)); )
                    this._currentInstanceLocations.splice(t, 1),
                    this._currentInstanceBuffers.splice(t, 1),
                    i = !0,
                    t = this._currentInstanceLocations.indexOf(e);
                i && (this._gl.vertexAttribDivisor(e, 0),
                this.disableAttributeByIndex(e))
            }
            ,
            e.prototype.disableAttributeByIndex = function(e) {
                this._gl.disableVertexAttribArray(e),
                this._vertexAttribArraysEnabled[e] = !1,
                this._currentBufferPointers[e].active = !1
            }
            ,
            e.prototype.draw = function(e, t, i, n) {
                this.drawElementsType(e ? a.MATERIAL_TriangleFillMode : a.MATERIAL_WireFrameFillMode, t, i, n)
            }
            ,
            e.prototype.drawPointClouds = function(e, t, i) {
                this.drawArraysType(a.MATERIAL_PointFillMode, e, t, i)
            }
            ,
            e.prototype.drawUnIndexed = function(e, t, i, n) {
                this.drawArraysType(e ? a.MATERIAL_TriangleFillMode : a.MATERIAL_WireFrameFillMode, t, i, n)
            }
            ,
            e.prototype.drawElementsType = function(e, t, i, n) {
                this.applyStates(),
                this._reportDrawCall();
                var r = this._drawMode(e)
                  , o = this._uintIndicesCurrentlySet ? this._gl.UNSIGNED_INT : this._gl.UNSIGNED_SHORT
                  , a = this._uintIndicesCurrentlySet ? 4 : 2;
                n ? this._gl.drawElementsInstanced(r, i, o, t * a, n) : this._gl.drawElements(r, i, o, t * a)
            }
            ,
            e.prototype.drawArraysType = function(e, t, i, n) {
                this.applyStates(),
                this._reportDrawCall();
                var r = this._drawMode(e);
                n ? this._gl.drawArraysInstanced(r, t, i, n) : this._gl.drawArrays(r, t, i)
            }
            ,
            e.prototype._drawMode = function(e) {
                switch (e) {
                case a.MATERIAL_TriangleFillMode:
                    return this._gl.TRIANGLES;
                case a.MATERIAL_PointFillMode:
                    return this._gl.POINTS;
                case a.MATERIAL_WireFrameFillMode:
                    return this._gl.LINES;
                case a.MATERIAL_PointListDrawMode:
                    return this._gl.POINTS;
                case a.MATERIAL_LineListDrawMode:
                    return this._gl.LINES;
                case a.MATERIAL_LineLoopDrawMode:
                    return this._gl.LINE_LOOP;
                case a.MATERIAL_LineStripDrawMode:
                    return this._gl.LINE_STRIP;
                case a.MATERIAL_TriangleStripDrawMode:
                    return this._gl.TRIANGLE_STRIP;
                case a.MATERIAL_TriangleFanDrawMode:
                    return this._gl.TRIANGLE_FAN;
                default:
                    return this._gl.TRIANGLES
                }
            }
            ,
            e.prototype._reportDrawCall = function() {}
            ,
            e.prototype._releaseEffect = function(e) {
                if (this._compiledEffects[e._key]) {
                    delete this._compiledEffects[e._key];
                    var t = e.getPipelineContext();
                    t && this._deletePipelineContext(t)
                }
            }
            ,
            e.prototype._deletePipelineContext = function(e) {
                var t = e;
                t && t.program && (t.program.__SPECTOR_rebuildProgram = null,
                this._gl.deleteProgram(t.program))
            }
            ,
            e.prototype._getGlobalDefines = function(e) {
                if (e)
                    return this.isNDCHalfZRange ? e.IS_NDC_HALF_ZRANGE = "" : delete e.IS_NDC_HALF_ZRANGE,
                    void (this.useReverseDepthBuffer ? e.USE_REVERSE_DEPTHBUFFER = "" : delete e.USE_REVERSE_DEPTHBUFFER);
                var t = "";
                return this.isNDCHalfZRange && (t += "#define IS_NDC_HALF_ZRANGE"),
                this.useReverseDepthBuffer && (t && (t += "\n"),
                t += "#define USE_REVERSE_DEPTHBUFFER"),
                t
            }
            ,
            e.prototype.createEffect = function(e, t, i, n, r, o, a, s, l, c) {
                var u;
                void 0 === c && (c = st.GLSL);
                var h = e.vertexElement || e.vertex || e.vertexToken || e.vertexSource || e
                  , d = e.fragmentElement || e.fragment || e.fragmentToken || e.fragmentSource || e
                  , p = this._getGlobalDefines()
                  , f = null !== (u = null != r ? r : t.defines) && void 0 !== u ? u : "";
                p && (f += p);
                var _ = h + "+" + d + "@" + f;
                if (this._compiledEffects[_]) {
                    var m = this._compiledEffects[_];
                    return a && m.isReady() && a(m),
                    m
                }
                var g = new Mt(e,t,i,n,this,r,o,a,s,l,_,c);
                return this._compiledEffects[_] = g,
                g
            }
            ,
            e._ConcatenateShader = function(e, t, i) {
                return void 0 === i && (i = ""),
                i + (t ? t + "\n" : "") + e
            }
            ,
            e.prototype._compileShader = function(t, i, n, r) {
                return this._compileRawShader(e._ConcatenateShader(t, n, r), i)
            }
            ,
            e.prototype._compileRawShader = function(e, t) {
                for (var i = this._gl; i.getError() != i.NO_ERROR; )
                    ;
                var n = i.createShader("vertex" === t ? i.VERTEX_SHADER : i.FRAGMENT_SHADER);
                if (!n)
                    throw new Error("Something went wrong while creating a gl ".concat(t, " shader object. gl error=").concat(i.getError(), ", gl isContextLost=").concat(i.isContextLost(), ", _contextWasLost=").concat(this._contextWasLost));
                return i.shaderSource(n, e),
                i.compileShader(n),
                n
            }
            ,
            e.prototype._getShaderSource = function(e) {
                return this._gl.getShaderSource(e)
            }
            ,
            e.prototype.createRawShaderProgram = function(e, t, i, n, r) {
                void 0 === r && (r = null),
                n = n || this._gl;
                var o = this._compileRawShader(t, "vertex")
                  , a = this._compileRawShader(i, "fragment");
                return this._createShaderProgram(e, o, a, n, r)
            }
            ,
            e.prototype.createShaderProgram = function(e, t, i, n, r, o) {
                void 0 === o && (o = null),
                r = r || this._gl;
                var a = this._webGLVersion > 1 ? "#version 300 es\n#define WEBGL2 \n" : ""
                  , s = this._compileShader(t, "vertex", n, a)
                  , l = this._compileShader(i, "fragment", n, a);
                return this._createShaderProgram(e, s, l, r, o)
            }
            ,
            e.prototype.inlineShaderCode = function(e) {
                return e
            }
            ,
            e.prototype.createPipelineContext = function(e) {
                var t = new Vt;
                return t.engine = this,
                this._caps.parallelShaderCompile && (t.isParallelCompiled = !0),
                t
            }
            ,
            e.prototype.createMaterialContext = function() {}
            ,
            e.prototype.createDrawContext = function() {}
            ,
            e.prototype._createShaderProgram = function(e, t, i, n, r) {
                void 0 === r && (r = null);
                var o = n.createProgram();
                if (e.program = o,
                !o)
                    throw new Error("Unable to create program");
                return n.attachShader(o, t),
                n.attachShader(o, i),
                n.linkProgram(o),
                e.context = n,
                e.vertexShader = t,
                e.fragmentShader = i,
                e.isParallelCompiled || this._finalizePipelineContext(e),
                o
            }
            ,
            e.prototype._finalizePipelineContext = function(e) {
                var t = e.context
                  , i = e.vertexShader
                  , n = e.fragmentShader
                  , r = e.program;
                if (!t.getProgramParameter(r, t.LINK_STATUS)) {
                    var o, a;
                    if (!this._gl.getShaderParameter(i, this._gl.COMPILE_STATUS) && (o = this._gl.getShaderInfoLog(i)))
                        throw e.vertexCompilationError = o,
                        new Error("VERTEX SHADER " + o);
                    if (!this._gl.getShaderParameter(n, this._gl.COMPILE_STATUS) && (o = this._gl.getShaderInfoLog(n)))
                        throw e.fragmentCompilationError = o,
                        new Error("FRAGMENT SHADER " + o);
                    if (a = t.getProgramInfoLog(r))
                        throw e.programLinkError = a,
                        new Error(a)
                }
                if (this.validateShaderPrograms && (t.validateProgram(r),
                !t.getProgramParameter(r, t.VALIDATE_STATUS) && (a = t.getProgramInfoLog(r))))
                    throw e.programValidationError = a,
                    new Error(a);
                t.deleteShader(i),
                t.deleteShader(n),
                e.vertexShader = void 0,
                e.fragmentShader = void 0,
                e.onCompiled && (e.onCompiled(),
                e.onCompiled = void 0)
            }
            ,
            e.prototype._preparePipelineContext = function(e, t, i, n, r, o, a, s, l, c) {
                var u = e;
                u.program = n ? this.createRawShaderProgram(u, t, i, void 0, l) : this.createShaderProgram(u, t, i, s, void 0, l),
                u.program.__SPECTOR_rebuildProgram = a
            }
            ,
            e.prototype._isRenderingStateCompiled = function(e) {
                var t = e;
                return !!this._gl.getProgramParameter(t.program, this._caps.parallelShaderCompile.COMPLETION_STATUS_KHR) && (this._finalizePipelineContext(t),
                !0)
            }
            ,
            e.prototype._executeWhenRenderingStateIsCompiled = function(e, t) {
                var i = e;
                if (i.isParallelCompiled) {
                    var n = i.onCompiled;
                    i.onCompiled = n ? function() {
                        n(),
                        t()
                    }
                    : t
                } else
                    t()
            }
            ,
            e.prototype.getUniforms = function(e, t) {
                for (var i = new Array, n = e, r = 0; r < t.length; r++)
                    i.push(this._gl.getUniformLocation(n.program, t[r]));
                return i
            }
            ,
            e.prototype.getAttributes = function(e, t) {
                for (var i = [], n = e, r = 0; r < t.length; r++)
                    try {
                        i.push(this._gl.getAttribLocation(n.program, t[r]))
                    } catch (e) {
                        i.push(-1)
                    }
                return i
            }
            ,
            e.prototype.enableEffect = function(e) {
                (e = null !== e && Gt.IsWrapper(e) ? e.effect : e) && e !== this._currentEffect && (this._stencilStateComposer.stencilMaterial = void 0,
                e = e,
                this.bindSamplers(e),
                this._currentEffect = e,
                e.onBind && e.onBind(e),
                e._onBindObservable && e._onBindObservable.notifyObservers(e))
            }
            ,
            e.prototype.setInt = function(e, t) {
                return !!e && (this._gl.uniform1i(e, t),
                !0)
            }
            ,
            e.prototype.setInt2 = function(e, t, i) {
                return !!e && (this._gl.uniform2i(e, t, i),
                !0)
            }
            ,
            e.prototype.setInt3 = function(e, t, i, n) {
                return !!e && (this._gl.uniform3i(e, t, i, n),
                !0)
            }
            ,
            e.prototype.setInt4 = function(e, t, i, n, r) {
                return !!e && (this._gl.uniform4i(e, t, i, n, r),
                !0)
            }
            ,
            e.prototype.setIntArray = function(e, t) {
                return !!e && (this._gl.uniform1iv(e, t),
                !0)
            }
            ,
            e.prototype.setIntArray2 = function(e, t) {
                return !(!e || t.length % 2 != 0 || (this._gl.uniform2iv(e, t),
                0))
            }
            ,
            e.prototype.setIntArray3 = function(e, t) {
                return !(!e || t.length % 3 != 0 || (this._gl.uniform3iv(e, t),
                0))
            }
            ,
            e.prototype.setIntArray4 = function(e, t) {
                return !(!e || t.length % 4 != 0 || (this._gl.uniform4iv(e, t),
                0))
            }
            ,
            e.prototype.setArray = function(e, t) {
                return !(!e || t.length < 1 || (this._gl.uniform1fv(e, t),
                0))
            }
            ,
            e.prototype.setArray2 = function(e, t) {
                return !(!e || t.length % 2 != 0 || (this._gl.uniform2fv(e, t),
                0))
            }
            ,
            e.prototype.setArray3 = function(e, t) {
                return !(!e || t.length % 3 != 0 || (this._gl.uniform3fv(e, t),
                0))
            }
            ,
            e.prototype.setArray4 = function(e, t) {
                return !(!e || t.length % 4 != 0 || (this._gl.uniform4fv(e, t),
                0))
            }
            ,
            e.prototype.setMatrices = function(e, t) {
                return !!e && (this._gl.uniformMatrix4fv(e, !1, t),
                !0)
            }
            ,
            e.prototype.setMatrix3x3 = function(e, t) {
                return !!e && (this._gl.uniformMatrix3fv(e, !1, t),
                !0)
            }
            ,
            e.prototype.setMatrix2x2 = function(e, t) {
                return !!e && (this._gl.uniformMatrix2fv(e, !1, t),
                !0)
            }
            ,
            e.prototype.setFloat = function(e, t) {
                return !!e && (this._gl.uniform1f(e, t),
                !0)
            }
            ,
            e.prototype.setFloat2 = function(e, t, i) {
                return !!e && (this._gl.uniform2f(e, t, i),
                !0)
            }
            ,
            e.prototype.setFloat3 = function(e, t, i, n) {
                return !!e && (this._gl.uniform3f(e, t, i, n),
                !0)
            }
            ,
            e.prototype.setFloat4 = function(e, t, i, n, r) {
                return !!e && (this._gl.uniform4f(e, t, i, n, r),
                !0)
            }
            ,
            e.prototype.applyStates = function() {
                if (this._depthCullingState.apply(this._gl),
                this._stencilStateComposer.apply(this._gl),
                this._alphaState.apply(this._gl),
                this._colorWriteChanged) {
                    this._colorWriteChanged = !1;
                    var e = this._colorWrite;
                    this._gl.colorMask(e, e, e, e)
                }
            }
            ,
            e.prototype.setColorWrite = function(e) {
                e !== this._colorWrite && (this._colorWriteChanged = !0,
                this._colorWrite = e)
            }
            ,
            e.prototype.getColorWrite = function() {
                return this._colorWrite
            }
            ,
            Object.defineProperty(e.prototype, "depthCullingState", {
                get: function() {
                    return this._depthCullingState
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "alphaState", {
                get: function() {
                    return this._alphaState
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilState", {
                get: function() {
                    return this._stencilState
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stencilStateComposer", {
                get: function() {
                    return this._stencilStateComposer
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.clearInternalTexturesCache = function() {
                this._internalTexturesCache = []
            }
            ,
            e.prototype.wipeCaches = function(e) {
                this.preventCacheWipeBetweenFrames && !e || (this._currentEffect = null,
                this._viewportCached.x = 0,
                this._viewportCached.y = 0,
                this._viewportCached.z = 0,
                this._viewportCached.w = 0,
                this._unbindVertexArrayObject(),
                e && (this._currentProgram = null,
                this.resetTextureCache(),
                this._stencilStateComposer.reset(),
                this._depthCullingState.reset(),
                this._depthCullingState.depthFunc = this._gl.LEQUAL,
                this._alphaState.reset(),
                this._alphaMode = a.ALPHA_ADD,
                this._alphaEquation = a.ALPHA_DISABLE,
                this._colorWrite = !0,
                this._colorWriteChanged = !0,
                this._unpackFlipYCached = null,
                this._gl.pixelStorei(this._gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, this._gl.NONE),
                this._gl.pixelStorei(this._gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 0),
                this._mustWipeVertexAttributes = !0,
                this.unbindAllAttributes()),
                this._resetVertexBufferBinding(),
                this._cachedIndexBuffer = null,
                this._cachedEffectForVertexBuffers = null,
                this.bindIndexBuffer(null))
            }
            ,
            e.prototype._getSamplingParameters = function(e, t) {
                var i = this._gl
                  , n = i.NEAREST
                  , r = i.NEAREST;
                switch (e) {
                case a.TEXTURE_LINEAR_LINEAR_MIPNEAREST:
                    n = i.LINEAR,
                    r = t ? i.LINEAR_MIPMAP_NEAREST : i.LINEAR;
                    break;
                case a.TEXTURE_LINEAR_LINEAR_MIPLINEAR:
                    n = i.LINEAR,
                    r = t ? i.LINEAR_MIPMAP_LINEAR : i.LINEAR;
                    break;
                case a.TEXTURE_NEAREST_NEAREST_MIPLINEAR:
                    n = i.NEAREST,
                    r = t ? i.NEAREST_MIPMAP_LINEAR : i.NEAREST;
                    break;
                case a.TEXTURE_NEAREST_NEAREST_MIPNEAREST:
                    n = i.NEAREST,
                    r = t ? i.NEAREST_MIPMAP_NEAREST : i.NEAREST;
                    break;
                case a.TEXTURE_NEAREST_LINEAR_MIPNEAREST:
                    n = i.NEAREST,
                    r = t ? i.LINEAR_MIPMAP_NEAREST : i.LINEAR;
                    break;
                case a.TEXTURE_NEAREST_LINEAR_MIPLINEAR:
                    n = i.NEAREST,
                    r = t ? i.LINEAR_MIPMAP_LINEAR : i.LINEAR;
                    break;
                case a.TEXTURE_NEAREST_LINEAR:
                    n = i.NEAREST,
                    r = i.LINEAR;
                    break;
                case a.TEXTURE_NEAREST_NEAREST:
                    n = i.NEAREST,
                    r = i.NEAREST;
                    break;
                case a.TEXTURE_LINEAR_NEAREST_MIPNEAREST:
                    n = i.LINEAR,
                    r = t ? i.NEAREST_MIPMAP_NEAREST : i.NEAREST;
                    break;
                case a.TEXTURE_LINEAR_NEAREST_MIPLINEAR:
                    n = i.LINEAR,
                    r = t ? i.NEAREST_MIPMAP_LINEAR : i.NEAREST;
                    break;
                case a.TEXTURE_LINEAR_LINEAR:
                    n = i.LINEAR,
                    r = i.LINEAR;
                    break;
                case a.TEXTURE_LINEAR_NEAREST:
                    n = i.LINEAR,
                    r = i.NEAREST
                }
                return {
                    min: r,
                    mag: n
                }
            }
            ,
            e.prototype._createTexture = function() {
                var e = this._gl.createTexture();
                if (!e)
                    throw new Error("Unable to create texture");
                return e
            }
            ,
            e.prototype._createHardwareTexture = function() {
                return new kt(this._createTexture(),this._gl)
            }
            ,
            e.prototype._createInternalTexture = function(e, t, i, n) {
                void 0 === i && (i = !0),
                void 0 === n && (n = At.Unknown);
                var r = {};
                void 0 !== t && "object" == typeof t ? (r.generateMipMaps = t.generateMipMaps,
                r.type = void 0 === t.type ? a.TEXTURETYPE_UNSIGNED_INT : t.type,
                r.samplingMode = void 0 === t.samplingMode ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : t.samplingMode,
                r.format = void 0 === t.format ? a.TEXTUREFORMAT_RGBA : t.format) : (r.generateMipMaps = t,
                r.type = a.TEXTURETYPE_UNSIGNED_INT,
                r.samplingMode = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                r.format = a.TEXTUREFORMAT_RGBA),
                (r.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (r.type !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (r.samplingMode = a.TEXTURE_NEAREST_SAMPLINGMODE),
                r.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (r.type = a.TEXTURETYPE_UNSIGNED_INT,
                K.Warn("Float textures are not supported. Type forced to TEXTURETYPE_UNSIGNED_BYTE"));
                var o = this._gl
                  , s = new Lt(this,n)
                  , l = e.width || e
                  , c = e.height || e
                  , u = e.layers || 0
                  , h = this._getSamplingParameters(r.samplingMode, !!r.generateMipMaps)
                  , d = 0 !== u ? o.TEXTURE_2D_ARRAY : o.TEXTURE_2D
                  , p = this._getRGBABufferInternalSizedFormat(r.type, r.format)
                  , f = this._getInternalFormat(r.format)
                  , _ = this._getWebGLTextureType(r.type);
                return this._bindTextureDirectly(d, s),
                0 !== u ? (s.is2DArray = !0,
                o.texImage3D(d, 0, p, l, c, u, 0, f, _, null)) : o.texImage2D(d, 0, p, l, c, 0, f, _, null),
                o.texParameteri(d, o.TEXTURE_MAG_FILTER, h.mag),
                o.texParameteri(d, o.TEXTURE_MIN_FILTER, h.min),
                o.texParameteri(d, o.TEXTURE_WRAP_S, o.CLAMP_TO_EDGE),
                o.texParameteri(d, o.TEXTURE_WRAP_T, o.CLAMP_TO_EDGE),
                r.generateMipMaps && this._gl.generateMipmap(d),
                this._bindTextureDirectly(d, null),
                s.baseWidth = l,
                s.baseHeight = c,
                s.width = l,
                s.height = c,
                s.depth = u,
                s.isReady = !0,
                s.samples = 1,
                s.generateMipMaps = !!r.generateMipMaps,
                s.samplingMode = r.samplingMode,
                s.type = r.type,
                s.format = r.format,
                this._internalTexturesCache.push(s),
                s
            }
            ,
            e.prototype._getUseSRGBBuffer = function(e, t) {
                return e && this._caps.supportSRGBBuffers && (this.webGLVersion > 1 || this.isWebGPU || t)
            }
            ,
            e.prototype._createTextureBase = function(t, i, n, r, o, s, l, c, u, h, d, p, f, _, m, g) {
                var v = this;
                void 0 === o && (o = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === h && (h = null),
                void 0 === d && (d = null),
                void 0 === p && (p = null),
                void 0 === f && (f = null);
                var y = "data:" === (t = t || "").substr(0, 5)
                  , b = "blob:" === t.substr(0, 5)
                  , T = y && -1 !== t.indexOf(";base64,")
                  , S = d || new Lt(this,At.Url)
                  , A = t;
                !this._transformTextureUrl || T || d || h || (t = this._transformTextureUrl(t)),
                A !== t && (S._originalUrl = A);
                var x = t.lastIndexOf(".")
                  , R = f || (x > -1 ? t.substring(x).toLowerCase() : "")
                  , C = null;
                R.indexOf("?") > -1 && (R = R.split("?")[0]);
                for (var P = 0, M = e._TextureLoaders; P < M.length; P++) {
                    var I = M[P];
                    if (I.canLoad(R, _)) {
                        C = I;
                        break
                    }
                }
                r && r._addPendingData(S),
                S.url = t,
                S.generateMipMaps = !i,
                S.samplingMode = o,
                S.invertY = n,
                S._useSRGBBuffer = this._getUseSRGBBuffer(!!g, i),
                this._doNotHandleContextLost || (S._buffer = h);
                var O = null;
                s && !d && (O = S.onLoadedObservable.add(s)),
                d || this._internalTexturesCache.push(S);
                var D = function(e, n) {
                    r && r._removePendingData(S),
                    t === A ? (O && S.onLoadedObservable.remove(O),
                    E.UseFallbackTexture && v._createTextureBase(E.FallbackTexture, i, S.invertY, r, o, null, l, c, u, h, S),
                    e = (e || "Unknown error") + (E.UseFallbackTexture ? " - Fallback texture was used" : ""),
                    S.onErrorObservable.notifyObservers({
                        message: e,
                        exception: n
                    }),
                    l && l(e, n)) : (K.Warn("Failed to load ".concat(t, ", falling back to ").concat(A)),
                    v._createTextureBase(A, i, S.invertY, r, o, s, l, c, u, h, S, p, f, _, m, g))
                };
                if (C) {
                    var N = function(e) {
                        C.loadData(e, S, (function(e, t, i, n, a, s) {
                            s ? D("TextureLoader failed to load data") : c(S, R, r, {
                                width: e,
                                height: t
                            }, S.invertY, !i, n, (function() {
                                return a(),
                                !1
                            }
                            ), o)
                        }
                        ), m)
                    };
                    h ? h instanceof ArrayBuffer ? N(new Uint8Array(h)) : ArrayBuffer.isView(h) ? N(h) : l && l("Unable to load: only ArrayBuffer or ArrayBufferView is supported", null) : this._loadFile(t, (function(e) {
                        return N(new Uint8Array(e))
                    }
                    ), void 0, r ? r.offlineProvider : void 0, !0, (function(e, t) {
                        D("Unable to load " + (e && e.responseURL,
                        t))
                    }
                    ))
                } else {
                    var L = function(e) {
                        b && !v._doNotHandleContextLost && (S._buffer = e),
                        c(S, R, r, e, S.invertY, i, !1, u, o)
                    };
                    !y || T ? h && ("string" == typeof h.decoding || h.close) ? L(h) : e._FileToolsLoadImage(t, L, D, r ? r.offlineProvider : null, _, S.invertY && this._features.needsInvertingBitmap ? {
                        imageOrientation: "flipY"
                    } : void 0) : "string" == typeof h || h instanceof ArrayBuffer || ArrayBuffer.isView(h) || h instanceof Blob ? e._FileToolsLoadImage(h, L, D, r ? r.offlineProvider : null, _, S.invertY && this._features.needsInvertingBitmap ? {
                        imageOrientation: "flipY"
                    } : void 0) : h && L(h)
                }
                return S
            }
            ,
            e.prototype.createTexture = function(e, t, i, n, r, o, s, l, c, u, h, d, p, f, _) {
                var m = this;
                return void 0 === r && (r = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === o && (o = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === h && (h = null),
                this._createTextureBase(e, t, i, n, r, o, s, this._prepareWebGLTexture.bind(this), (function(e, t, i, r, o, a) {
                    var s = m._gl
                      , l = i.width === e && i.height === t
                      , c = u ? m._getInternalFormat(u, o._useSRGBBuffer) : ".jpg" !== r || o._useSRGBBuffer ? o._useSRGBBuffer ? s.SRGB8_ALPHA8 : s.RGBA : s.RGB
                      , h = u ? m._getInternalFormat(u) : ".jpg" !== r || o._useSRGBBuffer ? s.RGBA : s.RGB;
                    if (o._useSRGBBuffer && 1 === m.webGLVersion && (h = c),
                    l)
                        return s.texImage2D(s.TEXTURE_2D, 0, c, h, s.UNSIGNED_BYTE, i),
                        !1;
                    var d = m._caps.maxTextureSize;
                    if (i.width > d || i.height > d || !m._supportsHardwareTextureRescaling)
                        return m._prepareWorkingCanvas(),
                        !(!m._workingCanvas || !m._workingContext || (m._workingCanvas.width = e,
                        m._workingCanvas.height = t,
                        m._workingContext.drawImage(i, 0, 0, i.width, i.height, 0, 0, e, t),
                        s.texImage2D(s.TEXTURE_2D, 0, c, h, s.UNSIGNED_BYTE, m._workingCanvas),
                        o.width = e,
                        o.height = t,
                        1));
                    var p = new Lt(m,At.Temp);
                    return m._bindTextureDirectly(s.TEXTURE_2D, p, !0),
                    s.texImage2D(s.TEXTURE_2D, 0, c, h, s.UNSIGNED_BYTE, i),
                    m._rescaleTexture(p, o, n, c, (function() {
                        m._releaseTexture(p),
                        m._bindTextureDirectly(s.TEXTURE_2D, o, !0),
                        a()
                    }
                    )),
                    !0
                }
                ), l, c, u, h, d, p, _)
            }
            ,
            e._FileToolsLoadImage = function(e, t, i, n, r, o) {
                throw be("FileTools")
            }
            ,
            e.prototype._rescaleTexture = function(e, t, i, n, r) {}
            ,
            e.prototype.createRawTexture = function(e, t, i, n, r, o, s, l, c) {
                throw void 0 === l && (l = null),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                be("Engine.RawTexture")
            }
            ,
            e.prototype.createRawCubeTexture = function(e, t, i, n, r, o, a, s) {
                throw void 0 === s && (s = null),
                be("Engine.RawTexture")
            }
            ,
            e.prototype.createRawTexture3D = function(e, t, i, n, r, o, s, l, c, u) {
                throw void 0 === c && (c = null),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
                be("Engine.RawTexture")
            }
            ,
            e.prototype.createRawTexture2DArray = function(e, t, i, n, r, o, s, l, c, u) {
                throw void 0 === c && (c = null),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
                be("Engine.RawTexture")
            }
            ,
            e.prototype._unpackFlipY = function(e) {
                this._unpackFlipYCached !== e && (this._gl.pixelStorei(this._gl.UNPACK_FLIP_Y_WEBGL, e ? 1 : 0),
                this.enableUnpackFlipYCached && (this._unpackFlipYCached = e))
            }
            ,
            e.prototype._getUnpackAlignement = function() {
                return this._gl.getParameter(this._gl.UNPACK_ALIGNMENT)
            }
            ,
            e.prototype._getTextureTarget = function(e) {
                return e.isCube ? this._gl.TEXTURE_CUBE_MAP : e.is3D ? this._gl.TEXTURE_3D : e.is2DArray || e.isMultiview ? this._gl.TEXTURE_2D_ARRAY : this._gl.TEXTURE_2D
            }
            ,
            e.prototype.updateTextureSamplingMode = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = this._getTextureTarget(t)
                  , r = this._getSamplingParameters(e, t.generateMipMaps || i);
                this._setTextureParameterInteger(n, this._gl.TEXTURE_MAG_FILTER, r.mag, t),
                this._setTextureParameterInteger(n, this._gl.TEXTURE_MIN_FILTER, r.min),
                i && (t.generateMipMaps = !0,
                this._gl.generateMipmap(n)),
                this._bindTextureDirectly(n, null),
                t.samplingMode = e
            }
            ,
            e.prototype.updateTextureDimensions = function(e, t, i, n) {
                void 0 === n && (n = 1)
            }
            ,
            e.prototype.updateTextureWrappingMode = function(e, t, i, n) {
                void 0 === i && (i = null),
                void 0 === n && (n = null);
                var r = this._getTextureTarget(e);
                null !== t && (this._setTextureParameterInteger(r, this._gl.TEXTURE_WRAP_S, this._getTextureWrapMode(t), e),
                e._cachedWrapU = t),
                null !== i && (this._setTextureParameterInteger(r, this._gl.TEXTURE_WRAP_T, this._getTextureWrapMode(i), e),
                e._cachedWrapV = i),
                (e.is2DArray || e.is3D) && null !== n && (this._setTextureParameterInteger(r, this._gl.TEXTURE_WRAP_R, this._getTextureWrapMode(n), e),
                e._cachedWrapR = n),
                this._bindTextureDirectly(r, null)
            }
            ,
            e.prototype._setupDepthStencilTexture = function(e, t, i, n, r, o) {
                void 0 === o && (o = 1);
                var s = t.width || t
                  , l = t.height || t
                  , c = t.layers || 0;
                e.baseWidth = s,
                e.baseHeight = l,
                e.width = s,
                e.height = l,
                e.is2DArray = c > 0,
                e.depth = c,
                e.isReady = !0,
                e.samples = o,
                e.generateMipMaps = !1,
                e.samplingMode = n ? a.TEXTURE_BILINEAR_SAMPLINGMODE : a.TEXTURE_NEAREST_SAMPLINGMODE,
                e.type = a.TEXTURETYPE_UNSIGNED_INT,
                e._comparisonFunction = r;
                var u = this._gl
                  , h = this._getTextureTarget(e)
                  , d = this._getSamplingParameters(e.samplingMode, !1);
                u.texParameteri(h, u.TEXTURE_MAG_FILTER, d.mag),
                u.texParameteri(h, u.TEXTURE_MIN_FILTER, d.min),
                u.texParameteri(h, u.TEXTURE_WRAP_S, u.CLAMP_TO_EDGE),
                u.texParameteri(h, u.TEXTURE_WRAP_T, u.CLAMP_TO_EDGE),
                0 === r ? (u.texParameteri(h, u.TEXTURE_COMPARE_FUNC, a.LEQUAL),
                u.texParameteri(h, u.TEXTURE_COMPARE_MODE, u.NONE)) : (u.texParameteri(h, u.TEXTURE_COMPARE_FUNC, r),
                u.texParameteri(h, u.TEXTURE_COMPARE_MODE, u.COMPARE_REF_TO_TEXTURE))
            }
            ,
            e.prototype._uploadCompressedDataToTextureDirectly = function(e, t, i, n, r, o, s) {
                void 0 === o && (o = 0),
                void 0 === s && (s = 0);
                var l = this._gl
                  , c = l.TEXTURE_2D;
                if (e.isCube && (c = l.TEXTURE_CUBE_MAP_POSITIVE_X + o),
                e._useSRGBBuffer)
                    switch (t) {
                    case a.TEXTUREFORMAT_COMPRESSED_RGBA_BPTC_UNORM:
                        t = l.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT;
                        break;
                    case a.TEXTUREFORMAT_COMPRESSED_RGBA_ASTC_4x4:
                        t = l.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;
                        break;
                    case a.TEXTUREFORMAT_COMPRESSED_RGB_S3TC_DXT1:
                        this._caps.s3tc_srgb ? t = l.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT : e._useSRGBBuffer = !1;
                        break;
                    case a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT5:
                        this._caps.s3tc_srgb ? t = l.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT : e._useSRGBBuffer = !1;
                        break;
                    default:
                        e._useSRGBBuffer = !1
                    }
                this._gl.compressedTexImage2D(c, s, t, i, n, 0, r)
            }
            ,
            e.prototype._uploadDataToTextureDirectly = function(e, t, i, n, r, o) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                void 0 === o && (o = !1);
                var a = this._gl
                  , s = this._getWebGLTextureType(e.type)
                  , l = this._getInternalFormat(e.format)
                  , c = void 0 === r ? this._getRGBABufferInternalSizedFormat(e.type, e.format, e._useSRGBBuffer) : this._getInternalFormat(r, e._useSRGBBuffer);
                this._unpackFlipY(e.invertY);
                var u = a.TEXTURE_2D;
                e.isCube && (u = a.TEXTURE_CUBE_MAP_POSITIVE_X + i);
                var h = Math.round(Math.log(e.width) * Math.LOG2E)
                  , d = Math.round(Math.log(e.height) * Math.LOG2E)
                  , p = o ? e.width : Math.pow(2, Math.max(h - n, 0))
                  , f = o ? e.height : Math.pow(2, Math.max(d - n, 0));
                a.texImage2D(u, n, c, p, f, 0, l, s, t)
            }
            ,
            e.prototype.updateTextureData = function(e, t, i, n, r, o, a, s) {
                void 0 === a && (a = 0),
                void 0 === s && (s = 0);
                var l = this._gl
                  , c = this._getWebGLTextureType(e.type)
                  , u = this._getInternalFormat(e.format);
                this._unpackFlipY(e.invertY);
                var h = l.TEXTURE_2D;
                e.isCube && (h = l.TEXTURE_CUBE_MAP_POSITIVE_X + a),
                l.texSubImage2D(h, s, i, n, r, o, u, c, t)
            }
            ,
            e.prototype._uploadArrayBufferViewToTexture = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0);
                var r = this._gl
                  , o = e.isCube ? r.TEXTURE_CUBE_MAP : r.TEXTURE_2D;
                this._bindTextureDirectly(o, e, !0),
                this._uploadDataToTextureDirectly(e, t, i, n),
                this._bindTextureDirectly(o, null, !0)
            }
            ,
            e.prototype._prepareWebGLTextureContinuation = function(e, t, i, n, r) {
                var o = this._gl;
                if (o) {
                    var a = this._getSamplingParameters(r, !i);
                    o.texParameteri(o.TEXTURE_2D, o.TEXTURE_MAG_FILTER, a.mag),
                    o.texParameteri(o.TEXTURE_2D, o.TEXTURE_MIN_FILTER, a.min),
                    i || n || o.generateMipmap(o.TEXTURE_2D),
                    this._bindTextureDirectly(o.TEXTURE_2D, null),
                    t && t._removePendingData(e),
                    e.onLoadedObservable.notifyObservers(e),
                    e.onLoadedObservable.clear()
                }
            }
            ,
            e.prototype._prepareWebGLTexture = function(t, i, n, r, o, s, l, c, u) {
                var h = this;
                void 0 === u && (u = a.TEXTURE_TRILINEAR_SAMPLINGMODE);
                var d = this.getCaps().maxTextureSize
                  , p = Math.min(d, this.needPOTTextures ? e.GetExponentOfTwo(r.width, d) : r.width)
                  , f = Math.min(d, this.needPOTTextures ? e.GetExponentOfTwo(r.height, d) : r.height)
                  , _ = this._gl;
                _ && (t._hardwareTexture ? (this._bindTextureDirectly(_.TEXTURE_2D, t, !0),
                this._unpackFlipY(void 0 === o || !!o),
                t.baseWidth = r.width,
                t.baseHeight = r.height,
                t.width = p,
                t.height = f,
                t.isReady = !0,
                c(p, f, r, i, t, (function() {
                    h._prepareWebGLTextureContinuation(t, n, s, l, u)
                }
                )) || this._prepareWebGLTextureContinuation(t, n, s, l, u)) : n && n._removePendingData(t))
            }
            ,
            e.prototype._setupFramebufferDepthAttachments = function(e, t, i, n, r) {
                void 0 === r && (r = 1);
                var o = this._gl;
                if (e && t)
                    return this._createRenderBuffer(i, n, r, o.DEPTH_STENCIL, o.DEPTH24_STENCIL8, o.DEPTH_STENCIL_ATTACHMENT);
                if (t) {
                    var a = o.DEPTH_COMPONENT16;
                    return this._webGLVersion > 1 && (a = o.DEPTH_COMPONENT32F),
                    this._createRenderBuffer(i, n, r, a, a, o.DEPTH_ATTACHMENT)
                }
                return e ? this._createRenderBuffer(i, n, r, o.STENCIL_INDEX8, o.STENCIL_INDEX8, o.STENCIL_ATTACHMENT) : null
            }
            ,
            e.prototype._createRenderBuffer = function(e, t, i, n, r, o, a) {
                void 0 === a && (a = !0);
                var s = this._gl
                  , l = s.createRenderbuffer();
                return s.bindRenderbuffer(s.RENDERBUFFER, l),
                i > 1 && s.renderbufferStorageMultisample ? s.renderbufferStorageMultisample(s.RENDERBUFFER, i, r, e, t) : s.renderbufferStorage(s.RENDERBUFFER, n, e, t),
                s.framebufferRenderbuffer(s.FRAMEBUFFER, o, s.RENDERBUFFER, l),
                a && s.bindRenderbuffer(s.RENDERBUFFER, null),
                l
            }
            ,
            e.prototype._releaseTexture = function(e) {
                var t;
                this._deleteTexture(null === (t = e._hardwareTexture) || void 0 === t ? void 0 : t.underlyingResource),
                this.unbindAllTextures();
                var i = this._internalTexturesCache.indexOf(e);
                -1 !== i && this._internalTexturesCache.splice(i, 1),
                e._lodTextureHigh && e._lodTextureHigh.dispose(),
                e._lodTextureMid && e._lodTextureMid.dispose(),
                e._lodTextureLow && e._lodTextureLow.dispose(),
                e._irradianceTexture && e._irradianceTexture.dispose()
            }
            ,
            e.prototype._releaseRenderTargetWrapper = function(e) {
                var t = this._renderTargetWrapperCache.indexOf(e);
                -1 !== t && this._renderTargetWrapperCache.splice(t, 1)
            }
            ,
            e.prototype._deleteTexture = function(e) {
                e && this._gl.deleteTexture(e)
            }
            ,
            e.prototype._setProgram = function(e) {
                this._currentProgram !== e && (this._gl.useProgram(e),
                this._currentProgram = e)
            }
            ,
            e.prototype.bindSamplers = function(e) {
                var t = e.getPipelineContext();
                this._setProgram(t.program);
                for (var i = e.getSamplers(), n = 0; n < i.length; n++) {
                    var r = e.getUniform(i[n]);
                    r && (this._boundUniforms[n] = r)
                }
                this._currentEffect = null
            }
            ,
            e.prototype._activateCurrentTexture = function() {
                this._currentTextureChannel !== this._activeChannel && (this._gl.activeTexture(this._gl.TEXTURE0 + this._activeChannel),
                this._currentTextureChannel = this._activeChannel)
            }
            ,
            e.prototype._bindTextureDirectly = function(e, t, i, n) {
                var r, o;
                void 0 === i && (i = !1),
                void 0 === n && (n = !1);
                var a = !1
                  , s = t && t._associatedChannel > -1;
                if (i && s && (this._activeChannel = t._associatedChannel),
                this._boundTexturesCache[this._activeChannel] !== t || n) {
                    if (this._activateCurrentTexture(),
                    t && t.isMultiview)
                        throw console.error(e, t),
                        "_bindTextureDirectly called with a multiview texture!";
                    this._gl.bindTexture(e, null !== (o = null === (r = null == t ? void 0 : t._hardwareTexture) || void 0 === r ? void 0 : r.underlyingResource) && void 0 !== o ? o : null),
                    this._boundTexturesCache[this._activeChannel] = t,
                    t && (t._associatedChannel = this._activeChannel)
                } else
                    i && (a = !0,
                    this._activateCurrentTexture());
                return s && !i && this._bindSamplerUniformToChannel(t._associatedChannel, this._activeChannel),
                a
            }
            ,
            e.prototype._bindTexture = function(e, t, i) {
                if (void 0 !== e) {
                    t && (t._associatedChannel = e),
                    this._activeChannel = e;
                    var n = t ? this._getTextureTarget(t) : this._gl.TEXTURE_2D;
                    this._bindTextureDirectly(n, t)
                }
            }
            ,
            e.prototype.unbindAllTextures = function() {
                for (var e = 0; e < this._maxSimultaneousTextures; e++)
                    this._activeChannel = e,
                    this._bindTextureDirectly(this._gl.TEXTURE_2D, null),
                    this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, null),
                    this.webGLVersion > 1 && (this._bindTextureDirectly(this._gl.TEXTURE_3D, null),
                    this._bindTextureDirectly(this._gl.TEXTURE_2D_ARRAY, null))
            }
            ,
            e.prototype.setTexture = function(e, t, i, n) {
                void 0 !== e && (t && (this._boundUniforms[e] = t),
                this._setTexture(e, i))
            }
            ,
            e.prototype._bindSamplerUniformToChannel = function(e, t) {
                var i = this._boundUniforms[e];
                i && i._currentState !== t && (this._gl.uniform1i(i, t),
                i._currentState = t)
            }
            ,
            e.prototype._getTextureWrapMode = function(e) {
                switch (e) {
                case a.TEXTURE_WRAP_ADDRESSMODE:
                    return this._gl.REPEAT;
                case a.TEXTURE_CLAMP_ADDRESSMODE:
                    return this._gl.CLAMP_TO_EDGE;
                case a.TEXTURE_MIRROR_ADDRESSMODE:
                    return this._gl.MIRRORED_REPEAT
                }
                return this._gl.REPEAT
            }
            ,
            e.prototype._setTexture = function(e, t, i, n, r) {
                if (void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                void 0 === r && (r = ""),
                !t)
                    return null != this._boundTexturesCache[e] && (this._activeChannel = e,
                    this._bindTextureDirectly(this._gl.TEXTURE_2D, null),
                    this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, null),
                    this.webGLVersion > 1 && (this._bindTextureDirectly(this._gl.TEXTURE_3D, null),
                    this._bindTextureDirectly(this._gl.TEXTURE_2D_ARRAY, null))),
                    !1;
                if (t.video)
                    this._activeChannel = e,
                    t.update();
                else if (t.delayLoadState === a.DELAYLOADSTATE_NOTLOADED)
                    return t.delayLoad(),
                    !1;
                var o;
                o = n ? t.depthStencilTexture : t.isReady() ? t.getInternalTexture() : t.isCube ? this.emptyCubeTexture : t.is3D ? this.emptyTexture3D : t.is2DArray ? this.emptyTexture2DArray : this.emptyTexture,
                !i && o && (o._associatedChannel = e);
                var s = !0;
                this._boundTexturesCache[e] === o && (i || this._bindSamplerUniformToChannel(o._associatedChannel, e),
                s = !1),
                this._activeChannel = e;
                var l = this._getTextureTarget(o);
                if (s && this._bindTextureDirectly(l, o, i),
                o && !o.isMultiview) {
                    if (o.isCube && o._cachedCoordinatesMode !== t.coordinatesMode) {
                        o._cachedCoordinatesMode = t.coordinatesMode;
                        var c = t.coordinatesMode !== a.TEXTURE_CUBIC_MODE && t.coordinatesMode !== a.TEXTURE_SKYBOX_MODE ? a.TEXTURE_WRAP_ADDRESSMODE : a.TEXTURE_CLAMP_ADDRESSMODE;
                        t.wrapU = c,
                        t.wrapV = c
                    }
                    o._cachedWrapU !== t.wrapU && (o._cachedWrapU = t.wrapU,
                    this._setTextureParameterInteger(l, this._gl.TEXTURE_WRAP_S, this._getTextureWrapMode(t.wrapU), o)),
                    o._cachedWrapV !== t.wrapV && (o._cachedWrapV = t.wrapV,
                    this._setTextureParameterInteger(l, this._gl.TEXTURE_WRAP_T, this._getTextureWrapMode(t.wrapV), o)),
                    o.is3D && o._cachedWrapR !== t.wrapR && (o._cachedWrapR = t.wrapR,
                    this._setTextureParameterInteger(l, this._gl.TEXTURE_WRAP_R, this._getTextureWrapMode(t.wrapR), o)),
                    this._setAnisotropicLevel(l, o, t.anisotropicFilteringLevel)
                }
                return !0
            }
            ,
            e.prototype.setTextureArray = function(e, t, i, n) {
                if (void 0 !== e && t) {
                    this._textureUnits && this._textureUnits.length === i.length || (this._textureUnits = new Int32Array(i.length));
                    for (var r = 0; r < i.length; r++) {
                        var o = i[r].getInternalTexture();
                        o ? (this._textureUnits[r] = e + r,
                        o._associatedChannel = e + r) : this._textureUnits[r] = -1
                    }
                    this._gl.uniform1iv(t, this._textureUnits);
                    for (var a = 0; a < i.length; a++)
                        this._setTexture(this._textureUnits[a], i[a], !0)
                }
            }
            ,
            e.prototype._setAnisotropicLevel = function(e, t, i) {
                var n = this._caps.textureAnisotropicFilterExtension;
                t.samplingMode !== a.TEXTURE_LINEAR_LINEAR_MIPNEAREST && t.samplingMode !== a.TEXTURE_LINEAR_LINEAR_MIPLINEAR && t.samplingMode !== a.TEXTURE_LINEAR_LINEAR && (i = 1),
                n && t._cachedAnisotropicFilteringLevel !== i && (this._setTextureParameterFloat(e, n.TEXTURE_MAX_ANISOTROPY_EXT, Math.min(i, this._caps.maxAnisotropy), t),
                t._cachedAnisotropicFilteringLevel = i)
            }
            ,
            e.prototype._setTextureParameterFloat = function(e, t, i, n) {
                this._bindTextureDirectly(e, n, !0, !0),
                this._gl.texParameterf(e, t, i)
            }
            ,
            e.prototype._setTextureParameterInteger = function(e, t, i, n) {
                n && this._bindTextureDirectly(e, n, !0, !0),
                this._gl.texParameteri(e, t, i)
            }
            ,
            e.prototype.unbindAllAttributes = function() {
                if (this._mustWipeVertexAttributes) {
                    this._mustWipeVertexAttributes = !1;
                    for (var e = 0; e < this._caps.maxVertexAttribs; e++)
                        this.disableAttributeByIndex(e)
                } else {
                    e = 0;
                    for (var t = this._vertexAttribArraysEnabled.length; e < t; e++)
                        e >= this._caps.maxVertexAttribs || !this._vertexAttribArraysEnabled[e] || this.disableAttributeByIndex(e)
                }
            }
            ,
            e.prototype.releaseEffects = function() {
                for (var e in this._compiledEffects) {
                    var t = this._compiledEffects[e].getPipelineContext();
                    this._deletePipelineContext(t)
                }
                this._compiledEffects = {}
            }
            ,
            e.prototype.dispose = function() {
                var e;
                this.stopRenderLoop(),
                this.onBeforeTextureInitObservable && this.onBeforeTextureInitObservable.clear(),
                this._emptyTexture && (this._releaseTexture(this._emptyTexture),
                this._emptyTexture = null),
                this._emptyCubeTexture && (this._releaseTexture(this._emptyCubeTexture),
                this._emptyCubeTexture = null),
                this._dummyFramebuffer && this._gl.deleteFramebuffer(this._dummyFramebuffer),
                this.releaseEffects(),
                null === (e = this.releaseComputeEffects) || void 0 === e || e.call(this),
                this.unbindAllAttributes(),
                this._boundUniforms = [],
                nt() && this._renderingCanvas && (this._doNotHandleContextLost || (this._renderingCanvas.removeEventListener("webglcontextlost", this._onContextLost),
                this._renderingCanvas.removeEventListener("webglcontextrestored", this._onContextRestored)),
                window.removeEventListener("resize", this._checkForMobile)),
                this._workingCanvas = null,
                this._workingContext = null,
                this._currentBufferPointers = [],
                this._renderingCanvas = null,
                this._currentProgram = null,
                this._boundRenderFunction = null,
                Mt.ResetCache();
                for (var t = 0, i = this._activeRequests; t < i.length; t++)
                    i[t].abort();
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear()
            }
            ,
            e.prototype.attachContextLostEvent = function(e) {
                this._renderingCanvas && this._renderingCanvas.addEventListener("webglcontextlost", e, !1)
            }
            ,
            e.prototype.attachContextRestoredEvent = function(e) {
                this._renderingCanvas && this._renderingCanvas.addEventListener("webglcontextrestored", e, !1)
            }
            ,
            e.prototype.getError = function() {
                return this._gl.getError()
            }
            ,
            e.prototype._canRenderToFloatFramebuffer = function() {
                return this._webGLVersion > 1 ? this._caps.colorBufferFloat : this._canRenderToFramebuffer(a.TEXTURETYPE_FLOAT)
            }
            ,
            e.prototype._canRenderToHalfFloatFramebuffer = function() {
                return this._webGLVersion > 1 ? this._caps.colorBufferFloat : this._canRenderToFramebuffer(a.TEXTURETYPE_HALF_FLOAT)
            }
            ,
            e.prototype._canRenderToFramebuffer = function(e) {
                for (var t = this._gl; t.getError() !== t.NO_ERROR; )
                    ;
                var i = !0
                  , n = t.createTexture();
                t.bindTexture(t.TEXTURE_2D, n),
                t.texImage2D(t.TEXTURE_2D, 0, this._getRGBABufferInternalSizedFormat(e), 1, 1, 0, t.RGBA, this._getWebGLTextureType(e), null),
                t.texParameteri(t.TEXTURE_2D, t.TEXTURE_MIN_FILTER, t.NEAREST),
                t.texParameteri(t.TEXTURE_2D, t.TEXTURE_MAG_FILTER, t.NEAREST);
                var r = t.createFramebuffer();
                t.bindFramebuffer(t.FRAMEBUFFER, r),
                t.framebufferTexture2D(t.FRAMEBUFFER, t.COLOR_ATTACHMENT0, t.TEXTURE_2D, n, 0);
                var o = t.checkFramebufferStatus(t.FRAMEBUFFER);
                if ((i = (i = i && o === t.FRAMEBUFFER_COMPLETE) && t.getError() === t.NO_ERROR) && (t.clear(t.COLOR_BUFFER_BIT),
                i = i && t.getError() === t.NO_ERROR),
                i) {
                    t.bindFramebuffer(t.FRAMEBUFFER, null);
                    var a = t.RGBA
                      , s = t.UNSIGNED_BYTE
                      , l = new Uint8Array(4);
                    t.readPixels(0, 0, 1, 1, a, s, l),
                    i = i && t.getError() === t.NO_ERROR
                }
                for (t.deleteTexture(n),
                t.deleteFramebuffer(r),
                t.bindFramebuffer(t.FRAMEBUFFER, null); !i && t.getError() !== t.NO_ERROR; )
                    ;
                return i
            }
            ,
            e.prototype._getWebGLTextureType = function(e) {
                if (1 === this._webGLVersion) {
                    switch (e) {
                    case a.TEXTURETYPE_FLOAT:
                        return this._gl.FLOAT;
                    case a.TEXTURETYPE_HALF_FLOAT:
                        return this._gl.HALF_FLOAT_OES;
                    case a.TEXTURETYPE_UNSIGNED_BYTE:
                        return this._gl.UNSIGNED_BYTE;
                    case a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4:
                        return this._gl.UNSIGNED_SHORT_4_4_4_4;
                    case a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1:
                        return this._gl.UNSIGNED_SHORT_5_5_5_1;
                    case a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5:
                        return this._gl.UNSIGNED_SHORT_5_6_5
                    }
                    return this._gl.UNSIGNED_BYTE
                }
                switch (e) {
                case a.TEXTURETYPE_BYTE:
                    return this._gl.BYTE;
                case a.TEXTURETYPE_UNSIGNED_BYTE:
                    return this._gl.UNSIGNED_BYTE;
                case a.TEXTURETYPE_SHORT:
                    return this._gl.SHORT;
                case a.TEXTURETYPE_UNSIGNED_SHORT:
                    return this._gl.UNSIGNED_SHORT;
                case a.TEXTURETYPE_INT:
                    return this._gl.INT;
                case a.TEXTURETYPE_UNSIGNED_INTEGER:
                    return this._gl.UNSIGNED_INT;
                case a.TEXTURETYPE_FLOAT:
                    return this._gl.FLOAT;
                case a.TEXTURETYPE_HALF_FLOAT:
                    return this._gl.HALF_FLOAT;
                case a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4:
                    return this._gl.UNSIGNED_SHORT_4_4_4_4;
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1:
                    return this._gl.UNSIGNED_SHORT_5_5_5_1;
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5:
                    return this._gl.UNSIGNED_SHORT_5_6_5;
                case a.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV:
                    return this._gl.UNSIGNED_INT_2_10_10_10_REV;
                case a.TEXTURETYPE_UNSIGNED_INT_24_8:
                    return this._gl.UNSIGNED_INT_24_8;
                case a.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV:
                    return this._gl.UNSIGNED_INT_10F_11F_11F_REV;
                case a.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV:
                    return this._gl.UNSIGNED_INT_5_9_9_9_REV;
                case a.TEXTURETYPE_FLOAT_32_UNSIGNED_INT_24_8_REV:
                    return this._gl.FLOAT_32_UNSIGNED_INT_24_8_REV
                }
                return this._gl.UNSIGNED_BYTE
            }
            ,
            e.prototype._getInternalFormat = function(e, t) {
                void 0 === t && (t = !1);
                var i = t ? this._gl.SRGB8_ALPHA8 : this._gl.RGBA;
                switch (e) {
                case a.TEXTUREFORMAT_ALPHA:
                    i = this._gl.ALPHA;
                    break;
                case a.TEXTUREFORMAT_LUMINANCE:
                    i = this._gl.LUMINANCE;
                    break;
                case a.TEXTUREFORMAT_LUMINANCE_ALPHA:
                    i = this._gl.LUMINANCE_ALPHA;
                    break;
                case a.TEXTUREFORMAT_RED:
                    i = this._gl.RED;
                    break;
                case a.TEXTUREFORMAT_RG:
                    i = this._gl.RG;
                    break;
                case a.TEXTUREFORMAT_RGB:
                    i = t ? this._gl.SRGB : this._gl.RGB;
                    break;
                case a.TEXTUREFORMAT_RGBA:
                    i = t ? this._gl.SRGB8_ALPHA8 : this._gl.RGBA
                }
                if (this._webGLVersion > 1)
                    switch (e) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        i = this._gl.RED_INTEGER;
                        break;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        i = this._gl.RG_INTEGER;
                        break;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        i = this._gl.RGB_INTEGER;
                        break;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        i = this._gl.RGBA_INTEGER
                    }
                return i
            }
            ,
            e.prototype._getRGBABufferInternalSizedFormat = function(e, t, i) {
                if (void 0 === i && (i = !1),
                1 === this._webGLVersion) {
                    if (void 0 !== t)
                        switch (t) {
                        case a.TEXTUREFORMAT_ALPHA:
                            return this._gl.ALPHA;
                        case a.TEXTUREFORMAT_LUMINANCE:
                            return this._gl.LUMINANCE;
                        case a.TEXTUREFORMAT_LUMINANCE_ALPHA:
                            return this._gl.LUMINANCE_ALPHA;
                        case a.TEXTUREFORMAT_RGB:
                            return i ? this._gl.SRGB : this._gl.RGB
                        }
                    return this._gl.RGBA
                }
                switch (e) {
                case a.TEXTURETYPE_BYTE:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return this._gl.R8_SNORM;
                    case a.TEXTUREFORMAT_RG:
                        return this._gl.RG8_SNORM;
                    case a.TEXTUREFORMAT_RGB:
                        return this._gl.RGB8_SNORM;
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R8I;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG8I;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB8I;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        return this._gl.RGBA8I;
                    default:
                        return this._gl.RGBA8_SNORM
                    }
                case a.TEXTURETYPE_UNSIGNED_BYTE:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return this._gl.R8;
                    case a.TEXTUREFORMAT_RG:
                        return this._gl.RG8;
                    case a.TEXTUREFORMAT_RGB:
                        return i ? this._gl.SRGB8 : this._gl.RGB8;
                    case a.TEXTUREFORMAT_RGBA:
                        return i ? this._gl.SRGB8_ALPHA8 : this._gl.RGBA8;
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R8UI;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG8UI;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB8UI;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        return this._gl.RGBA8UI;
                    case a.TEXTUREFORMAT_ALPHA:
                        return this._gl.ALPHA;
                    case a.TEXTUREFORMAT_LUMINANCE:
                        return this._gl.LUMINANCE;
                    case a.TEXTUREFORMAT_LUMINANCE_ALPHA:
                        return this._gl.LUMINANCE_ALPHA;
                    default:
                        return this._gl.RGBA8
                    }
                case a.TEXTURETYPE_SHORT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R16I;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG16I;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB16I;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return this._gl.RGBA16I
                    }
                case a.TEXTURETYPE_UNSIGNED_SHORT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R16UI;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG16UI;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB16UI;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return this._gl.RGBA16UI
                    }
                case a.TEXTURETYPE_INT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R32I;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG32I;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB32I;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return this._gl.RGBA32I
                    }
                case a.TEXTURETYPE_UNSIGNED_INTEGER:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return this._gl.R32UI;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return this._gl.RG32UI;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        return this._gl.RGB32UI;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return this._gl.RGBA32UI
                    }
                case a.TEXTURETYPE_FLOAT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return this._gl.R32F;
                    case a.TEXTUREFORMAT_RG:
                        return this._gl.RG32F;
                    case a.TEXTUREFORMAT_RGB:
                        return this._gl.RGB32F;
                    case a.TEXTUREFORMAT_RGBA:
                    default:
                        return this._gl.RGBA32F
                    }
                case a.TEXTURETYPE_HALF_FLOAT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return this._gl.R16F;
                    case a.TEXTUREFORMAT_RG:
                        return this._gl.RG16F;
                    case a.TEXTUREFORMAT_RGB:
                        return this._gl.RGB16F;
                    case a.TEXTUREFORMAT_RGBA:
                    default:
                        return this._gl.RGBA16F
                    }
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5:
                    return this._gl.RGB565;
                case a.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV:
                    return this._gl.R11F_G11F_B10F;
                case a.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV:
                    return this._gl.RGB9_E5;
                case a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4:
                    return this._gl.RGBA4;
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1:
                    return this._gl.RGB5_A1;
                case a.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV:
                    switch (t) {
                    case a.TEXTUREFORMAT_RGBA:
                        return this._gl.RGB10_A2;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        return this._gl.RGB10_A2UI;
                    default:
                        return this._gl.RGB10_A2
                    }
                }
                return i ? this._gl.SRGB8_ALPHA8 : this._gl.RGBA8
            }
            ,
            e.prototype._getRGBAMultiSampleBufferFormat = function(e) {
                return e === a.TEXTURETYPE_FLOAT ? this._gl.RGBA32F : e === a.TEXTURETYPE_HALF_FLOAT ? this._gl.RGBA16F : this._gl.RGBA8
            }
            ,
            e.prototype._loadFile = function(t, i, n, r, o, a) {
                var s = this
                  , l = e._FileToolsLoadFile(t, i, n, r, o, a);
                return this._activeRequests.push(l),
                l.onCompleteObservable.add((function(e) {
                    s._activeRequests.splice(s._activeRequests.indexOf(e), 1)
                }
                )),
                l
            }
            ,
            e._FileToolsLoadFile = function(e, t, i, n, r, o) {
                throw be("FileTools")
            }
            ,
            e.prototype.readPixels = function(e, t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = !0);
                var a = r ? 4 : 3
                  , s = r ? this._gl.RGBA : this._gl.RGB
                  , l = new Uint8Array(n * i * a);
                return o && this.flushFramebuffer(),
                this._gl.readPixels(e, t, i, n, s, this._gl.UNSIGNED_BYTE, l),
                Promise.resolve(l)
            }
            ,
            Object.defineProperty(e, "IsSupportedAsync", {
                get: function() {
                    return Promise.resolve(this.isSupported())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "IsSupported", {
                get: function() {
                    return this.isSupported()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.isSupported = function() {
                if (null !== this._HasMajorPerformanceCaveat)
                    return !this._HasMajorPerformanceCaveat;
                if (null === this._IsSupported)
                    try {
                        var e = this._CreateCanvas(1, 1)
                          , t = e.getContext("webgl") || e.getContext("experimental-webgl");
                        this._IsSupported = null != t && !!window.WebGLRenderingContext
                    } catch (e) {
                        this._IsSupported = !1
                    }
                return this._IsSupported
            }
            ,
            Object.defineProperty(e, "HasMajorPerformanceCaveat", {
                get: function() {
                    if (null === this._HasMajorPerformanceCaveat)
                        try {
                            var e = this._CreateCanvas(1, 1)
                              , t = e.getContext("webgl", {
                                failIfMajorPerformanceCaveat: !0
                            }) || e.getContext("experimental-webgl", {
                                failIfMajorPerformanceCaveat: !0
                            });
                            this._HasMajorPerformanceCaveat = !t
                        } catch (e) {
                            this._HasMajorPerformanceCaveat = !1
                        }
                    return this._HasMajorPerformanceCaveat
                },
                enumerable: !1,
                configurable: !0
            }),
            e.CeilingPOT = function(e) {
                return e--,
                e |= e >> 1,
                e |= e >> 2,
                e |= e >> 4,
                e |= e >> 8,
                e |= e >> 16,
                ++e
            }
            ,
            e.FloorPOT = function(e) {
                return e |= e >> 1,
                e |= e >> 2,
                e |= e >> 4,
                e |= e >> 8,
                (e |= e >> 16) - (e >> 1)
            }
            ,
            e.NearestPOT = function(t) {
                var i = e.CeilingPOT(t)
                  , n = e.FloorPOT(t);
                return i - t > t - n ? n : i
            }
            ,
            e.GetExponentOfTwo = function(t, i, n) {
                var r;
                switch (void 0 === n && (n = a.SCALEMODE_NEAREST),
                n) {
                case a.SCALEMODE_FLOOR:
                    r = e.FloorPOT(t);
                    break;
                case a.SCALEMODE_NEAREST:
                    r = e.NearestPOT(t);
                    break;
                case a.SCALEMODE_CEILING:
                default:
                    r = e.CeilingPOT(t)
                }
                return Math.min(r, i)
            }
            ,
            e.QueueNewFrame = function(e, t) {
                return nt() ? (t || (t = window),
                t.requestPostAnimationFrame ? t.requestPostAnimationFrame(e) : t.requestAnimationFrame ? t.requestAnimationFrame(e) : t.msRequestAnimationFrame ? t.msRequestAnimationFrame(e) : t.webkitRequestAnimationFrame ? t.webkitRequestAnimationFrame(e) : t.mozRequestAnimationFrame ? t.mozRequestAnimationFrame(e) : t.oRequestAnimationFrame ? t.oRequestAnimationFrame(e) : window.setTimeout(e, 16)) : "undefined" != typeof requestAnimationFrame ? requestAnimationFrame(e) : setTimeout(e, 16)
            }
            ,
            e.prototype.getHostDocument = function() {
                return this._renderingCanvas && this._renderingCanvas.ownerDocument ? this._renderingCanvas.ownerDocument : document
            }
            ,
            e.ExceptionList = [{
                key: "Chrome/63.0",
                capture: "63\\.0\\.3239\\.(\\d+)",
                captureConstraint: 108,
                targets: ["uniformBuffer"]
            }, {
                key: "Firefox/58",
                capture: null,
                captureConstraint: null,
                targets: ["uniformBuffer"]
            }, {
                key: "Firefox/59",
                capture: null,
                captureConstraint: null,
                targets: ["uniformBuffer"]
            }, {
                key: "Chrome/72.+?Mobile",
                capture: null,
                captureConstraint: null,
                targets: ["vao"]
            }, {
                key: "Chrome/73.+?Mobile",
                capture: null,
                captureConstraint: null,
                targets: ["vao"]
            }, {
                key: "Chrome/74.+?Mobile",
                capture: null,
                captureConstraint: null,
                targets: ["vao"]
            }, {
                key: "Mac OS.+Chrome/71",
                capture: null,
                captureConstraint: null,
                targets: ["vao"]
            }, {
                key: "Mac OS.+Chrome/72",
                capture: null,
                captureConstraint: null,
                targets: ["vao"]
            }],
            e._TextureLoaders = [],
            e.CollisionsEpsilon = .001,
            e._IsSupported = null,
            e._HasMajorPerformanceCaveat = null,
            e
        }()
          , Xt = function() {
            function e() {}
            return e.SetImmediate = function(e) {
                nt() && window.setImmediate ? window.setImmediate(e) : setTimeout(e, 1)
            }
            ,
            e
        }()
          , jt = new RegExp(/^data:([^,]+\/[^,]+)?;base64,/i)
          , Yt = function(e) {
            function t(i, n) {
                var r = e.call(this, i, pt.LoadFileError) || this;
                return r.name = "LoadFileError",
                dt._setPrototypeOf(r, t.prototype),
                n instanceof Ye ? r.request = n : r.file = n,
                r
            }
            return U(t, e),
            t
        }(ft)
          , Kt = function(e) {
            function t(i, n) {
                var r = e.call(this, i, pt.RequestFileError) || this;
                return r.request = n,
                r.name = "RequestFileError",
                dt._setPrototypeOf(r, t.prototype),
                r
            }
            return U(t, e),
            t
        }(ft)
          , Qt = function(e) {
            function t(i, n) {
                var r = e.call(this, i, pt.ReadFileError) || this;
                return r.file = n,
                r.name = "ReadFileError",
                dt._setPrototypeOf(r, t.prototype),
                r
            }
            return U(t, e),
            t
        }(ft)
          , qt = {
            DefaultRetryStrategy: ht.ExponentialBackoff(),
            BaseUrl: "",
            CorsBehavior: "anonymous",
            PreprocessUrl: function(e) {
                return e
            }
        }
          , Zt = function(e) {
            return e.replace(/#/gm, "%23")
        }
          , Jt = function(e, t) {
            if ((!e || 0 !== e.indexOf("data:")) && qt.CorsBehavior)
                if ("string" == typeof qt.CorsBehavior || qt.CorsBehavior instanceof String)
                    t.crossOrigin = qt.CorsBehavior;
                else {
                    var i = qt.CorsBehavior(e);
                    i && (t.crossOrigin = i)
                }
        }
          , $t = function(e, t, i, n, r, o) {
            var a, s;
            void 0 === r && (r = "");
            var l = !1;
            e instanceof ArrayBuffer || ArrayBuffer.isView(e) ? "undefined" != typeof Blob ? (s = URL.createObjectURL(new Blob([e],{
                type: r
            })),
            l = !0) : s = "data:".concat(r, ";base64,") + le(e) : e instanceof Blob ? (s = URL.createObjectURL(e),
            l = !0) : (s = Zt(e),
            s = qt.PreprocessUrl(e));
            var c = E.LastCreatedEngine
              , u = function(t) {
                if (i) {
                    var n = s || e.toString();
                    i("Error while trying to load image: ".concat(0 === n.indexOf("http") || n.length <= 128 ? n : n.slice(0, 128) + "..."), t)
                }
            };
            if ("undefined" == typeof Image || null !== (a = null == c ? void 0 : c._features.forceBitmapOverHTMLImageElement) && void 0 !== a && a)
                return ti(s, (function(n) {
                    c.createImageBitmap(new Blob([n],{
                        type: r
                    }), V({
                        premultiplyAlpha: "none"
                    }, o)).then((function(e) {
                        t(e),
                        l && URL.revokeObjectURL(s)
                    }
                    )).catch((function(t) {
                        i && i("Error while trying to load image: " + e, t)
                    }
                    ))
                }
                ), void 0, n || void 0, !0, (function(e, t) {
                    u(t)
                }
                )),
                null;
            var h = new Image;
            Jt(s, h);
            var d = function() {
                h.removeEventListener("load", d),
                h.removeEventListener("error", p),
                t(h),
                l && h.src && URL.revokeObjectURL(h.src)
            }
              , p = function(e) {
                h.removeEventListener("load", d),
                h.removeEventListener("error", p),
                u(e),
                l && h.src && URL.revokeObjectURL(h.src)
            };
            h.addEventListener("load", d),
            h.addEventListener("error", p);
            var f = function() {
                h.src = s
            };
            if ("blob:" !== s.substr(0, 5) && "data:" !== s.substr(0, 5) && n && n.enableTexturesOffline)
                n.open((function() {
                    n && n.loadImage(s, h)
                }
                ), f);
            else {
                if (-1 !== s.indexOf("file:")) {
                    var _ = decodeURIComponent(s.substring(5).toLowerCase());
                    if (ut.FilesToLoad[_]) {
                        try {
                            var m = void 0;
                            try {
                                m = URL.createObjectURL(ut.FilesToLoad[_])
                            } catch (e) {
                                m = URL.createObjectURL(ut.FilesToLoad[_])
                            }
                            h.src = m,
                            l = !0
                        } catch (e) {
                            h.src = ""
                        }
                        return h
                    }
                }
                f()
            }
            return h
        }
          , ei = function(e, t, i, n, r) {
            var o = new FileReader
              , a = {
                onCompleteObservable: new h,
                abort: function() {
                    return o.abort()
                }
            };
            return o.onloadend = function() {
                return a.onCompleteObservable.notifyObservers(a)
            }
            ,
            r && (o.onerror = function() {
                r(new Qt("Unable to read ".concat(e.name),e))
            }
            ),
            o.onload = function(e) {
                t(e.target.result)
            }
            ,
            i && (o.onprogress = i),
            n ? o.readAsArrayBuffer(e) : o.readAsText(e),
            a
        }
          , ti = function(e, t, i, n, r, o, a) {
            if (e.name)
                return ei(e, t, i, r, o ? function(e) {
                    o(void 0, e)
                }
                : void 0);
            var s = e;
            if (-1 !== s.indexOf("file:")) {
                var l = decodeURIComponent(s.substring(5).toLowerCase());
                0 === l.indexOf("./") && (l = l.substring(2));
                var c = ut.FilesToLoad[l];
                if (c)
                    return ei(c, t, i, r, o ? function(e) {
                        return o(void 0, new Yt(e.message,e.file))
                    }
                    : void 0)
            }
            if (ri(s)) {
                var u = {
                    onCompleteObservable: new h,
                    abort: function() {
                        return function() {}
                    }
                };
                try {
                    t(r ? oi(s) : si(s))
                } catch (e) {
                    o ? o(void 0, e) : K.Error(e.message || "Failed to parse the Data URL")
                }
                return Xt.SetImmediate((function() {
                    u.onCompleteObservable.notifyObservers(u)
                }
                )),
                u
            }
            return ii(s, (function(e, i) {
                t(e, i ? i.responseURL : void 0)
            }
            ), i, n, r, o ? function(e) {
                o(e.request, new Yt(e.message,e.request))
            }
            : void 0, a)
        }
          , ii = function(e, t, i, n, r, o, a) {
            e = Zt(e),
            e = qt.PreprocessUrl(e);
            var s = qt.BaseUrl + e
              , l = !1
              , c = {
                onCompleteObservable: new h,
                abort: function() {
                    return l = !0
                }
            }
              , u = function() {
                var e, n = new Ye, u = null, h = function() {
                    n && (i && n.removeEventListener("progress", i),
                    e && n.removeEventListener("readystatechange", e),
                    n.removeEventListener("loadend", d))
                }, d = function() {
                    h(),
                    c.onCompleteObservable.notifyObservers(c),
                    c.onCompleteObservable.clear(),
                    i = void 0,
                    e = null,
                    d = null,
                    o = void 0,
                    a = void 0,
                    t = void 0
                };
                c.abort = function() {
                    l = !0,
                    d && d(),
                    n && n.readyState !== (XMLHttpRequest.DONE || 4) && n.abort(),
                    null !== u && (clearTimeout(u),
                    u = null),
                    n = null
                }
                ;
                var p = function(e) {
                    var t = e.message || "Unknown error";
                    o && n ? o(new Kt(t,n)) : K.Error(t)
                }
                  , f = function(c) {
                    if (n) {
                        if (n.open("GET", s),
                        a)
                            try {
                                a(n)
                            } catch (e) {
                                return void p(e)
                            }
                        r && (n.responseType = "arraybuffer"),
                        i && n.addEventListener("progress", i),
                        d && n.addEventListener("loadend", d),
                        e = function() {
                            if (!l && n && n.readyState === (XMLHttpRequest.DONE || 4)) {
                                if (e && n.removeEventListener("readystatechange", e),
                                n.status >= 200 && n.status < 300 || 0 === n.status && (!nt() || ni())) {
                                    try {
                                        t && t(r ? n.response : n.responseText, n)
                                    } catch (e) {
                                        p(e)
                                    }
                                    return
                                }
                                var i = qt.DefaultRetryStrategy;
                                if (i) {
                                    var a = i(s, n, c);
                                    if (-1 !== a)
                                        return h(),
                                        n = new Ye,
                                        void (u = setTimeout((function() {
                                            return f(c + 1)
                                        }
                                        ), a))
                                }
                                var d = new Kt("Error status: " + n.status + " " + n.statusText + " - Unable to load " + s,n);
                                o && o(d)
                            }
                        }
                        ,
                        n.addEventListener("readystatechange", e),
                        n.send()
                    }
                };
                f(0)
            };
            if (n && n.enableSceneOffline) {
                var d = function(e) {
                    e && e.status > 400 ? o && o(e) : u()
                };
                n.open((function() {
                    n && n.loadFile(qt.BaseUrl + e, (function(e) {
                        !l && t && t(e),
                        c.onCompleteObservable.notifyObservers(c)
                    }
                    ), i ? function(e) {
                        !l && i && i(e)
                    }
                    : void 0, d, r)
                }
                ), d)
            } else
                u();
            return c
        }
          , ni = function() {
            return "undefined" != typeof location && "file:" === location.protocol
        }
          , ri = function(e) {
            return jt.test(e)
        };
        function oi(e) {
            return ue(e.split(",")[1])
        }
        var ai, si = function(e) {
            return ce(e.split(",")[1])
        };
        Ht._FileToolsLoadImage = $t,
        Ht._FileToolsLoadFile = ti,
        Ct._FileToolsLoadFile = ti;
        var li, ci = function(e, t, i, n, r, o, a, s, l, c) {
            ai = {
                DecodeBase64UrlToBinary: e,
                DecodeBase64UrlToString: t,
                DefaultRetryStrategy: i.DefaultRetryStrategy,
                BaseUrl: i.BaseUrl,
                CorsBehavior: i.CorsBehavior,
                PreprocessUrl: i.PreprocessUrl,
                IsBase64DataUrl: n,
                IsFileURL: r,
                LoadFile: o,
                LoadImage: a,
                ReadFile: s,
                RequestFile: l,
                SetCorsBehavior: c
            },
            Object.defineProperty(ai, "DefaultRetryStrategy", {
                get: function() {
                    return i.DefaultRetryStrategy
                },
                set: function(e) {
                    i.DefaultRetryStrategy = e
                }
            }),
            Object.defineProperty(ai, "BaseUrl", {
                get: function() {
                    return i.BaseUrl
                },
                set: function(e) {
                    i.BaseUrl = e
                }
            }),
            Object.defineProperty(ai, "PreprocessUrl", {
                get: function() {
                    return i.PreprocessUrl
                },
                set: function(e) {
                    i.PreprocessUrl = e
                }
            }),
            Object.defineProperty(ai, "CorsBehavior", {
                get: function() {
                    return i.CorsBehavior
                },
                set: function(e) {
                    i.CorsBehavior = e
                }
            })
        };
        ci(oi, si, qt, ri, ni, ti, $t, ei, ii, Jt),
        function(e) {
            e[e.Pending = 0] = "Pending",
            e[e.Fulfilled = 1] = "Fulfilled",
            e[e.Rejected = 2] = "Rejected"
        }(li || (li = {}));
        var ui = function() {
            this.count = 0,
            this.target = 0,
            this.results = []
        }
          , hi = function() {
            function e(e) {
                var t = this;
                if (this._state = li.Pending,
                this._children = new Array,
                this._rejectWasConsumed = !1,
                e)
                    try {
                        e((function(e) {
                            t._resolve(e)
                        }
                        ), (function(e) {
                            t._reject(e)
                        }
                        ))
                    } catch (e) {
                        this._reject(e)
                    }
            }
            return Object.defineProperty(e.prototype, "_result", {
                get: function() {
                    return this._resultValue
                },
                set: function(e) {
                    this._resultValue = e,
                    this._parent && void 0 === this._parent._result && (this._parent._result = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.catch = function(e) {
                return this.then(void 0, e)
            }
            ,
            e.prototype.then = function(t, i) {
                var n = this
                  , r = new e;
                return r._onFulfilled = t,
                r._onRejected = i,
                this._children.push(r),
                r._parent = this,
                this._state !== li.Pending && setTimeout((function() {
                    n._state === li.Fulfilled || n._rejectWasConsumed ? r._resolve(n._result) : r._reject(n._reason)
                }
                )),
                r
            }
            ,
            e.prototype._moveChildren = function(e) {
                var t, i = this;
                if ((t = this._children).push.apply(t, e.splice(0, e.length)),
                this._children.forEach((function(e) {
                    e._parent = i
                }
                )),
                this._state === li.Fulfilled)
                    for (var n = 0, r = this._children; n < r.length; n++)
                        r[n]._resolve(this._result);
                else if (this._state === li.Rejected)
                    for (var o = 0, a = this._children; o < a.length; o++)
                        a[o]._reject(this._reason)
            }
            ,
            e.prototype._resolve = function(e) {
                try {
                    this._state = li.Fulfilled;
                    var t = null;
                    if (this._onFulfilled && (t = this._onFulfilled(e)),
                    null != t)
                        if (void 0 !== t._state) {
                            var i = t;
                            i._parent = this,
                            i._moveChildren(this._children),
                            e = i._result
                        } else
                            e = t;
                    this._result = e;
                    for (var n = 0, r = this._children; n < r.length; n++)
                        r[n]._resolve(e);
                    this._children.length = 0,
                    delete this._onFulfilled,
                    delete this._onRejected
                } catch (e) {
                    this._reject(e, !0)
                }
            }
            ,
            e.prototype._reject = function(e, t) {
                if (void 0 === t && (t = !1),
                this._state = li.Rejected,
                this._reason = e,
                this._onRejected && !t)
                    try {
                        this._onRejected(e),
                        this._rejectWasConsumed = !0
                    } catch (t) {
                        e = t
                    }
                for (var i = 0, n = this._children; i < n.length; i++) {
                    var r = n[i];
                    this._rejectWasConsumed ? r._resolve(null) : r._reject(e)
                }
                this._children.length = 0,
                delete this._onFulfilled,
                delete this._onRejected
            }
            ,
            e.resolve = function(t) {
                var i = new e;
                return i._resolve(t),
                i
            }
            ,
            e._RegisterForFulfillment = function(e, t, i) {
                e.then((function(e) {
                    return t.results[i] = e,
                    t.count++,
                    t.count === t.target && t.rootPromise._resolve(t.results),
                    null
                }
                ), (function(e) {
                    t.rootPromise._state !== li.Rejected && t.rootPromise._reject(e)
                }
                ))
            }
            ,
            e.all = function(t) {
                var i = new e
                  , n = new ui;
                if (n.target = t.length,
                n.rootPromise = i,
                t.length)
                    for (var r = 0; r < t.length; r++)
                        e._RegisterForFulfillment(t[r], n, r);
                else
                    i._resolve([]);
                return i
            }
            ,
            e.race = function(t) {
                var i = new e;
                if (t.length)
                    for (var n = 0, r = t; n < r.length; n++)
                        r[n].then((function(e) {
                            return i && (i._resolve(e),
                            i = null),
                            null
                        }
                        ), (function(e) {
                            i && (i._reject(e),
                            i = null)
                        }
                        ));
                return i
            }
            ,
            e
        }()
          , di = function() {
            function e() {}
            return e.Apply = function(e) {
                void 0 === e && (e = !1),
                (e || "undefined" == typeof Promise) && (window.Promise = hi)
            }
            ,
            e
        }()
          , pi = function() {
            function e() {}
            return e.Instantiate = function(e) {
                if (this.RegisteredExternalClasses && this.RegisteredExternalClasses[e])
                    return this.RegisteredExternalClasses[e];
                var t = b(e);
                if (t)
                    return t;
                K.Warn(e + " not found, you may have missed an import.");
                for (var i = e.split("."), n = window || this, r = 0, o = i.length; r < o; r++)
                    n = n[i[r]];
                return "function" != typeof n ? null : n
            }
            ,
            e.RegisteredExternalClasses = {},
            e
        }();
        function fi() {
            return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (function(e) {
                var t = 16 * Math.random() | 0;
                return ("x" === e ? t : 3 & t | 8).toString(16)
            }
            ))
        }
        var _i = {
            RandomId: fi
        }
          , mi = function() {
            function e() {}
            return e.Slice = function(e, t, i) {
                return e.slice ? e.slice(t, i) : Array.prototype.slice.call(e, t, i)
            }
            ,
            e.SliceToArray = function(e, t, i) {
                return Array.isArray(e) ? e.slice(t, i) : Array.prototype.slice.call(e, t, i)
            }
            ,
            e
        }()
          , gi = function() {
            function e() {}
            return Object.defineProperty(e, "BaseUrl", {
                get: function() {
                    return qt.BaseUrl
                },
                set: function(e) {
                    qt.BaseUrl = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "DefaultRetryStrategy", {
                get: function() {
                    return qt.DefaultRetryStrategy
                },
                set: function(e) {
                    qt.DefaultRetryStrategy = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "CorsBehavior", {
                get: function() {
                    return qt.CorsBehavior
                },
                set: function(e) {
                    qt.CorsBehavior = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "UseFallbackTexture", {
                get: function() {
                    return E.UseFallbackTexture
                },
                set: function(e) {
                    E.UseFallbackTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "RegisteredExternalClasses", {
                get: function() {
                    return pi.RegisteredExternalClasses
                },
                set: function(e) {
                    pi.RegisteredExternalClasses = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "fallbackTexture", {
                get: function() {
                    return E.FallbackTexture
                },
                set: function(e) {
                    E.FallbackTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.FetchToRef = function(e, t, i, n, r, o) {
                var a = 4 * ((Math.abs(e) * i % i | 0) + (Math.abs(t) * n % n | 0) * i);
                o.r = r[a] / 255,
                o.g = r[a + 1] / 255,
                o.b = r[a + 2] / 255,
                o.a = r[a + 3] / 255
            }
            ,
            e.Mix = function(e, t, i) {
                return e * (1 - i) + t * i
            }
            ,
            e.Instantiate = function(e) {
                return pi.Instantiate(e)
            }
            ,
            e.Slice = function(e, t, i) {
                return mi.Slice(e, t, i)
            }
            ,
            e.SliceToArray = function(e, t, i) {
                return mi.SliceToArray(e, t, i)
            }
            ,
            e.SetImmediate = function(e) {
                Xt.SetImmediate(e)
            }
            ,
            e.IsExponentOfTwo = function(e) {
                var t = 1;
                do {
                    t *= 2
                } while (t < e);
                return t === e
            }
            ,
            e.FloatRound = function(t) {
                return Math.fround ? Math.fround(t) : (e._TmpFloatArray[0] = t,
                e._TmpFloatArray[0])
            }
            ,
            e.GetFilename = function(e) {
                var t = e.lastIndexOf("/");
                return t < 0 ? e : e.substring(t + 1)
            }
            ,
            e.GetFolderPath = function(e, t) {
                void 0 === t && (t = !1);
                var i = e.lastIndexOf("/");
                return i < 0 ? t ? e : "" : e.substring(0, i + 1)
            }
            ,
            e.ToDegrees = function(e) {
                return 180 * e / Math.PI
            }
            ,
            e.ToRadians = function(e) {
                return e * Math.PI / 180
            }
            ,
            e.MakeArray = function(e, t) {
                return !0 === t || void 0 !== e && null != e ? Array.isArray(e) ? e : [e] : null
            }
            ,
            e.GetPointerPrefix = function(e) {
                var t = "pointer";
                return nt() && !window.PointerEvent && (t = "mouse"),
                !e._badDesktopOS || e._badOS || document && "ontouchend"in document || (t = "mouse"),
                t
            }
            ,
            e.SetCorsBehavior = function(e, t) {
                Jt(e, t)
            }
            ,
            e.CleanUrl = function(e) {
                return e.replace(/#/gm, "%23")
            }
            ,
            Object.defineProperty(e, "PreprocessUrl", {
                get: function() {
                    return qt.PreprocessUrl
                },
                set: function(e) {
                    qt.PreprocessUrl = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.LoadImage = function(e, t, i, n, r, o) {
                return $t(e, t, i, n, r, o)
            }
            ,
            e.LoadFile = function(e, t, i, n, r, o) {
                return ti(e, t, i, n, r, o)
            }
            ,
            e.LoadFileAsync = function(e, t) {
                return void 0 === t && (t = !0),
                new Promise((function(i, n) {
                    ti(e, (function(e) {
                        i(e)
                    }
                    ), void 0, void 0, t, (function(e, t) {
                        n(t)
                    }
                    ))
                }
                ))
            }
            ,
            e.LoadScript = function(e, t, i, n) {
                if (nt()) {
                    var r = document.getElementsByTagName("head")[0]
                      , o = document.createElement("script");
                    o.setAttribute("type", "text/javascript"),
                    o.setAttribute("src", e),
                    n && (o.id = n),
                    o.onload = function() {
                        t && t()
                    }
                    ,
                    o.onerror = function(t) {
                        i && i("Unable to load script '".concat(e, "'"), t)
                    }
                    ,
                    r.appendChild(o)
                }
            }
            ,
            e.LoadScriptAsync = function(e) {
                var t = this;
                return new Promise((function(i, n) {
                    t.LoadScript(e, (function() {
                        i()
                    }
                    ), (function(e, t) {
                        n(t)
                    }
                    ))
                }
                ))
            }
            ,
            e.ReadFileAsDataURL = function(e, t, i) {
                var n = new FileReader
                  , r = {
                    onCompleteObservable: new h,
                    abort: function() {
                        return n.abort()
                    }
                };
                return n.onloadend = function() {
                    r.onCompleteObservable.notifyObservers(r)
                }
                ,
                n.onload = function(e) {
                    t(e.target.result)
                }
                ,
                n.onprogress = i,
                n.readAsDataURL(e),
                r
            }
            ,
            e.ReadFile = function(e, t, i, n, r) {
                return ei(e, t, i, n, r)
            }
            ,
            e.FileAsURL = function(e) {
                var t = new Blob([e]);
                return (window.URL || window.webkitURL).createObjectURL(t)
            }
            ,
            e.Format = function(e, t) {
                return void 0 === t && (t = 2),
                e.toFixed(t)
            }
            ,
            e.DeepCopy = function(e, t, i, n) {
                fe.DeepCopy(e, t, i, n)
            }
            ,
            e.IsEmpty = function(e) {
                for (var t in e)
                    if (Object.prototype.hasOwnProperty.call(e, t))
                        return !1;
                return !0
            }
            ,
            e.RegisterTopRootEvents = function(e, t) {
                for (var i = 0; i < t.length; i++) {
                    var n = t[i];
                    e.addEventListener(n.name, n.handler, !1);
                    try {
                        window.parent && window.parent.addEventListener(n.name, n.handler, !1)
                    } catch (e) {}
                }
            }
            ,
            e.UnregisterTopRootEvents = function(e, t) {
                for (var i = 0; i < t.length; i++) {
                    var n = t[i];
                    e.removeEventListener(n.name, n.handler);
                    try {
                        e.parent && e.parent.removeEventListener(n.name, n.handler)
                    } catch (e) {}
                }
            }
            ,
            e.DumpFramebuffer = function(t, i, n, r, o, a) {
                return void 0 === o && (o = "image/png"),
                G(this, void 0, void 0, (function() {
                    var s, l;
                    return z(this, (function(c) {
                        switch (c.label) {
                        case 0:
                            return [4, n.readPixels(0, 0, t, i)];
                        case 1:
                            return s = c.sent(),
                            l = new Uint8Array(s.buffer),
                            e.DumpData(t, i, l, r, o, a, !0),
                            [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.DumpData = function(t, i, n, r, o, a, s, l, c) {
                void 0 === o && (o = "image/png"),
                void 0 === s && (s = !1),
                void 0 === l && (l = !1),
                e._ScreenshotCanvas || (e._ScreenshotCanvas = document.createElement("canvas")),
                e._ScreenshotCanvas.width = t,
                e._ScreenshotCanvas.height = i;
                var u = e._ScreenshotCanvas.getContext("2d");
                if (u) {
                    if (n instanceof Float32Array) {
                        for (var h = new Uint8Array(n.length), d = n.length; d--; ) {
                            var p = n[d];
                            h[d] = p < 0 ? 0 : p > 1 ? 1 : Math.round(255 * p)
                        }
                        n = h
                    }
                    var f = u.createImageData(t, i);
                    f.data.set(n),
                    u.putImageData(f, 0, 0);
                    var _ = e._ScreenshotCanvas;
                    if (s) {
                        var m = document.createElement("canvas");
                        m.width = t,
                        m.height = i;
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                this._areLightsDirty = !0,
                this._areLightsDisposed = !1,
                this._areAttributesDirty = !0,
                this._areTexturesDirty = !0,
                this._areFresnelDirty = !0,
                this._areMiscDirty = !0,
                this._arePrePassDirty = !0,
                this._areImageProcessingDirty = !0,
                this._normals = !1,
                this._uvs = !1,
                this._needNormals = !1,
                this._needUVs = !1,
                this._externalProperties = e,
                e)
                    for (var t in e)
                        Object.prototype.hasOwnProperty.call(e, t) && this._setDefaultValue(t)
            }
            return Object.defineProperty(e.prototype, "isDirty", {
                get: function() {
                    return this._isDirty
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.markAsProcessed = function() {
                this._isDirty = !1,
                this._areAttributesDirty = !1,
                this._areTexturesDirty = !1,
                this._areFresnelDirty = !1,
                this._areLightsDirty = !1,
                this._areLightsDisposed = !1,
                this._areMiscDirty = !1,
                this._arePrePassDirty = !1,
                this._areImageProcessingDirty = !1
            }
            ,
            e.prototype.markAsUnprocessed = function() {
                this._isDirty = !0
            }
            ,
            e.prototype.markAllAsDirty = function() {
                this._areTexturesDirty = !0,
                this._areAttributesDirty = !0,
                this._areLightsDirty = !0,
                this._areFresnelDirty = !0,
                this._areMiscDirty = !0,
                this._areImageProcessingDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsImageProcessingDirty = function() {
                this._areImageProcessingDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsLightDirty = function(e) {
                void 0 === e && (e = !1),
                this._areLightsDirty = !0,
                this._areLightsDisposed = this._areLightsDisposed || e,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsAttributesDirty = function() {
                this._areAttributesDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsTexturesDirty = function() {
                this._areTexturesDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsFresnelDirty = function() {
                this._areFresnelDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsMiscDirty = function() {
                this._areMiscDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.markAsPrePassDirty = function() {
                this._arePrePassDirty = !0,
                this._isDirty = !0
            }
            ,
            e.prototype.rebuild = function() {
                this._keys = [];
                for (var e = 0, t = Object.keys(this); e < t.length; e++) {
                    var i = t[e];
                    "_" !== i[0] && this._keys.push(i)
                }
                if (this._externalProperties)
                    for (var n in this._externalProperties)
                        this._keys.push(n)
            }
            ,
            e.prototype.isEqual = function(e) {
                if (this._keys.length !== e._keys.length)
                    return !1;
                for (var t = 0; t < this._keys.length; t++) {
                    var i = this._keys[t];
                    if (this[i] !== e[i])
                        return !1
                }
                return !0
            }
            ,
            e.prototype.cloneTo = function(e) {
                this._keys.length !== e._keys.length && (e._keys = this._keys.slice(0));
                for (var t = 0; t < this._keys.length; t++) {
                    var i = this._keys[t];
                    e[i] = this[i]
                }
            }
            ,
            e.prototype.reset = function() {
                var e = this;
                this._keys.forEach((function(t) {
                    return e._setDefaultValue(t)
                }
                ))
            }
            ,
            e.prototype._setDefaultValue = function(e) {
                var t, i, n, r, o, a = null !== (n = null === (i = null === (t = this._externalProperties) || void 0 === t ? void 0 : t[e]) || void 0 === i ? void 0 : i.type) && void 0 !== n ? n : typeof this[e], s = null === (o = null === (r = this._externalProperties) || void 0 === r ? void 0 : r[e]) || void 0 === o ? void 0 : o.default;
                switch (a) {
                case "number":
                    this[e] = null != s ? s : 0;
                    break;
                case "string":
                    this[e] = null != s ? s : "";
                    break;
                default:
                    this[e] = null != s && s
                }
            }
            ,
            e.prototype.toString = function() {
                for (var e = "", t = 0; t < this._keys.length; t++) {
                    var i = this._keys[t]
                      , n = this[i];
                    switch (typeof n) {
                    case "number":
                    case "string":
                        e += "#define " + i + " " + n + "\n";
                        break;
                    default:
                        n && (e += "#define " + i + "\n")
                    }
                }
                return e
            }
            ,
            e
        }()
          , Ai = function() {
            function e() {
                this._dirty = !0,
                this._tempColor = new N(0,0,0,0),
                this._globalCurve = new N(0,0,0,0),
                this._highlightsCurve = new N(0,0,0,0),
                this._midtonesCurve = new N(0,0,0,0),
                this._shadowsCurve = new N(0,0,0,0),
                this._positiveCurve = new N(0,0,0,0),
                this._negativeCurve = new N(0,0,0,0),
                this._globalHue = 30,
                this._globalDensity = 0,
                this._globalSaturation = 0,
                this._globalExposure = 0,
                this._highlightsHue = 30,
                this._highlightsDensity = 0,
                this._highlightsSaturation = 0,
                this._highlightsExposure = 0,
                this._midtonesHue = 30,
                this._midtonesDensity = 0,
                this._midtonesSaturation = 0,
                this._midtonesExposure = 0,
                this._shadowsHue = 30,
                this._shadowsDensity = 0,
                this._shadowsSaturation = 0,
                this._shadowsExposure = 0
            }
            return Object.defineProperty(e.prototype, "globalHue", {
                get: function() {
                    return this._globalHue
                },
                set: function(e) {
                    this._globalHue = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "globalDensity", {
                get: function() {
                    return this._globalDensity
                },
                set: function(e) {
                    this._globalDensity = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "globalSaturation", {
                get: function() {
                    return this._globalSaturation
                },
                set: function(e) {
                    this._globalSaturation = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "globalExposure", {
                get: function() {
                    return this._globalExposure
                },
                set: function(e) {
                    this._globalExposure = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "highlightsHue", {
                get: function() {
                    return this._highlightsHue
                },
                set: function(e) {
                    this._highlightsHue = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "highlightsDensity", {
                get: function() {
                    return this._highlightsDensity
                },
                set: function(e) {
                    this._highlightsDensity = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "highlightsSaturation", {
                get: function() {
                    return this._highlightsSaturation
                },
                set: function(e) {
                    this._highlightsSaturation = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "highlightsExposure", {
                get: function() {
                    return this._highlightsExposure
                },
                set: function(e) {
                    this._highlightsExposure = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "midtonesHue", {
                get: function() {
                    return this._midtonesHue
                },
                set: function(e) {
                    this._midtonesHue = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "midtonesDensity", {
                get: function() {
                    return this._midtonesDensity
                },
                set: function(e) {
                    this._midtonesDensity = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "midtonesSaturation", {
                get: function() {
                    return this._midtonesSaturation
                },
                set: function(e) {
                    this._midtonesSaturation = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "midtonesExposure", {
                get: function() {
                    return this._midtonesExposure
                },
                set: function(e) {
                    this._midtonesExposure = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shadowsHue", {
                get: function() {
                    return this._shadowsHue
                },
                set: function(e) {
                    this._shadowsHue = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shadowsDensity", {
                get: function() {
                    return this._shadowsDensity
                },
                set: function(e) {
                    this._shadowsDensity = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shadowsSaturation", {
                get: function() {
                    return this._shadowsSaturation
                },
                set: function(e) {
                    this._shadowsSaturation = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shadowsExposure", {
                get: function() {
                    return this._shadowsExposure
                },
                set: function(e) {
                    this._shadowsExposure = e,
                    this._dirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "ColorCurves"
            }
            ,
            e.Bind = function(e, t, i, n, r) {
                void 0 === i && (i = "vCameraColorCurvePositive"),
                void 0 === n && (n = "vCameraColorCurveNeutral"),
                void 0 === r && (r = "vCameraColorCurveNegative"),
                e._dirty && (e._dirty = !1,
                e._getColorGradingDataToRef(e._globalHue, e._globalDensity, e._globalSaturation, e._globalExposure, e._globalCurve),
                e._getColorGradingDataToRef(e._highlightsHue, e._highlightsDensity, e._highlightsSaturation, e._highlightsExposure, e._tempColor),
                e._tempColor.multiplyToRef(e._globalCurve, e._highlightsCurve),
                e._getColorGradingDataToRef(e._midtonesHue, e._midtonesDensity, e._midtonesSaturation, e._midtonesExposure, e._tempColor),
                e._tempColor.multiplyToRef(e._globalCurve, e._midtonesCurve),
                e._getColorGradingDataToRef(e._shadowsHue, e._shadowsDensity, e._shadowsSaturation, e._shadowsExposure, e._tempColor),
                e._tempColor.multiplyToRef(e._globalCurve, e._shadowsCurve),
                e._highlightsCurve.subtractToRef(e._midtonesCurve, e._positiveCurve),
                e._midtonesCurve.subtractToRef(e._shadowsCurve, e._negativeCurve)),
                t && (t.setFloat4(i, e._positiveCurve.r, e._positiveCurve.g, e._positiveCurve.b, e._positiveCurve.a),
                t.setFloat4(n, e._midtonesCurve.r, e._midtonesCurve.g, e._midtonesCurve.b, e._midtonesCurve.a),
                t.setFloat4(r, e._negativeCurve.r, e._negativeCurve.g, e._negativeCurve.b, e._negativeCurve.a))
            }
            ,
            e.PrepareUniforms = function(e) {
                e.push("vCameraColorCurveNeutral", "vCameraColorCurvePositive", "vCameraColorCurveNegative")
            }
            ,
            e.prototype._getColorGradingDataToRef = function(t, i, n, r, o) {
                null != t && (t = e._Clamp(t, 0, 360),
                i = e._Clamp(i, -100, 100),
                n = e._Clamp(n, -100, 100),
                r = e._Clamp(r, -100, 100),
                i = e._ApplyColorGradingSliderNonlinear(i),
                i *= .5,
                r = e._ApplyColorGradingSliderNonlinear(r),
                i < 0 && (i *= -1,
                t = (t + 180) % 360),
                e._FromHSBToRef(t, i, 50 + .25 * r, o),
                o.scaleToRef(2, o),
                o.a = 1 + .01 * n)
            }
            ,
            e._ApplyColorGradingSliderNonlinear = function(e) {
                e /= 100;
                var t = Math.abs(e);
                return t = Math.pow(t, 2),
                e < 0 && (t *= -1),
                100 * t
            }
            ,
            e._FromHSBToRef = function(t, i, n, r) {
                var o = e._Clamp(t, 0, 360)
                  , a = e._Clamp(i / 100, 0, 1)
                  , s = e._Clamp(n / 100, 0, 1);
                if (0 === a)
                    r.r = s,
                    r.g = s,
                    r.b = s;
                else {
                    o /= 60;
                    var l = Math.floor(o)
                      , c = o - l
                      , u = s * (1 - a)
                      , h = s * (1 - a * c)
                      , d = s * (1 - a * (1 - c));
                    switch (l) {
                    case 0:
                        r.r = s,
                        r.g = d,
                        r.b = u;
                        break;
                    case 1:
                        r.r = h,
                        r.g = s,
                        r.b = u;
                        break;
                    case 2:
                        r.r = u,
                        r.g = s,
                        r.b = d;
                        break;
                    case 3:
                        r.r = u,
                        r.g = h,
                        r.b = s;
                        break;
                    case 4:
                        r.r = d,
                        r.g = u,
                        r.b = s;
                        break;
                    default:
                        r.r = s,
                        r.g = u,
                        r.b = h
                    }
                }
                r.a = 1
            }
            ,
            e._Clamp = function(e, t, i) {
                return Math.min(Math.max(e, t), i)
            }
            ,
            e.prototype.clone = function() {
                return Ge.Clone((function() {
                    return new e
                }
                ), this)
            }
            ,
            e.prototype.serialize = function() {
                return Ge.Serialize(this)
            }
            ,
            e.Parse = function(t) {
                return Ge.Parse((function() {
                    return new e
                }
                ), t, null, null)
            }
            ,
            k([Ce()], e.prototype, "_globalHue", void 0),
            k([Ce()], e.prototype, "_globalDensity", void 0),
            k([Ce()], e.prototype, "_globalSaturation", void 0),
            k([Ce()], e.prototype, "_globalExposure", void 0),
            k([Ce()], e.prototype, "_highlightsHue", void 0),
            k([Ce()], e.prototype, "_highlightsDensity", void 0),
            k([Ce()], e.prototype, "_highlightsSaturation", void 0),
            k([Ce()], e.prototype, "_highlightsExposure", void 0),
            k([Ce()], e.prototype, "_midtonesHue", void 0),
            k([Ce()], e.prototype, "_midtonesDensity", void 0),
            k([Ce()], e.prototype, "_midtonesSaturation", void 0),
            k([Ce()], e.prototype, "_midtonesExposure", void 0),
            e
        }();
        Ge._ColorCurvesParser = Ai.Parse;
        var xi = function(e) {
            function t() {
                var t = e.call(this) || this;
                return t.IMAGEPROCESSING = !1,
                t.VIGNETTE = !1,
                t.VIGNETTEBLENDMODEMULTIPLY = !1,
                t.VIGNETTEBLENDMODEOPAQUE = !1,
                t.TONEMAPPING = !1,
                t.TONEMAPPING_ACES = !1,
                t.CONTRAST = !1,
                t.COLORCURVES = !1,
                t.COLORGRADING = !1,
                t.COLORGRADING3D = !1,
                t.SAMPLER3DGREENDEPTH = !1,
                t.SAMPLER3DBGRMAP = !1,
                t.IMAGEPROCESSINGPOSTPROCESS = !1,
                t.EXPOSURE = !1,
                t.SKIPFINALCOLORCLAMP = !1,
                t.rebuild(),
                t
            }
            return U(t, e),
            t
        }(Si)
          , Ri = function() {
            function e() {
                this.colorCurves = new Ai,
                this._colorCurvesEnabled = !1,
                this._colorGradingEnabled = !1,
                this._colorGradingWithGreenDepth = !0,
                this._colorGradingBGR = !0,
                this._exposure = 1,
                this._toneMappingEnabled = !1,
                this._toneMappingType = e.TONEMAPPING_STANDARD,
                this._contrast = 1,
                this.vignetteStretch = 0,
                this.vignetteCentreX = 0,
                this.vignetteCentreY = 0,
                this.vignetteWeight = 1.5,
                this.vignetteColor = new N(0,0,0,0),
                this.vignetteCameraFov = .5,
                this._vignetteBlendMode = e.VIGNETTEMODE_MULTIPLY,
                this._vignetteEnabled = !1,
                this._skipFinalColorClamp = !1,
                this._applyByPostProcess = !1,
                this._isEnabled = !0,
                this.onUpdateParameters = new h
            }
            return Object.defineProperty(e.prototype, "colorCurvesEnabled", {
                get: function() {
                    return this._colorCurvesEnabled
                },
                set: function(e) {
                    this._colorCurvesEnabled !== e && (this._colorCurvesEnabled = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "colorGradingTexture", {
                get: function() {
                    return this._colorGradingTexture
                },
                set: function(e) {
                    this._colorGradingTexture !== e && (this._colorGradingTexture = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "colorGradingEnabled", {
                get: function() {
                    return this._colorGradingEnabled
                },
                set: function(e) {
                    this._colorGradingEnabled !== e && (this._colorGradingEnabled = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "colorGradingWithGreenDepth", {
                get: function() {
                    return this._colorGradingWithGreenDepth
                },
                set: function(e) {
                    this._colorGradingWithGreenDepth !== e && (this._colorGradingWithGreenDepth = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "colorGradingBGR", {
                get: function() {
                    return this._colorGradingBGR
                },
                set: function(e) {
                    this._colorGradingBGR !== e && (this._colorGradingBGR = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "exposure", {
                get: function() {
                    return this._exposure
                },
                set: function(e) {
                    this._exposure !== e && (this._exposure = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "toneMappingEnabled", {
                get: function() {
                    return this._toneMappingEnabled
                },
                set: function(e) {
                    this._toneMappingEnabled !== e && (this._toneMappingEnabled = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "toneMappingType", {
                get: function() {
                    return this._toneMappingType
                },
                set: function(e) {
                    this._toneMappingType !== e && (this._toneMappingType = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "contrast", {
                get: function() {
                    return this._contrast
                },
                set: function(e) {
                    this._contrast !== e && (this._contrast = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "vignetteBlendMode", {
                get: function() {
                    return this._vignetteBlendMode
                },
                set: function(e) {
                    this._vignetteBlendMode !== e && (this._vignetteBlendMode = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "vignetteEnabled", {
                get: function() {
                    return this._vignetteEnabled
                },
                set: function(e) {
                    this._vignetteEnabled !== e && (this._vignetteEnabled = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "skipFinalColorClamp", {
                get: function() {
                    return this._skipFinalColorClamp
                },
                set: function(e) {
                    this._skipFinalColorClamp !== e && (this._skipFinalColorClamp = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "applyByPostProcess", {
                get: function() {
                    return this._applyByPostProcess
                },
                set: function(e) {
                    this._applyByPostProcess !== e && (this._applyByPostProcess = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled !== e && (this._isEnabled = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._updateParameters = function() {
                this.onUpdateParameters.notifyObservers(this)
            }
            ,
            e.prototype.getClassName = function() {
                return "ImageProcessingConfiguration"
            }
            ,
            e.PrepareUniforms = function(e, t) {
                t.EXPOSURE && e.push("exposureLinear"),
                t.CONTRAST && e.push("contrast"),
                t.COLORGRADING && e.push("colorTransformSettings"),
                t.VIGNETTE && (e.push("vInverseScreenSize"),
                e.push("vignetteSettings1"),
                e.push("vignetteSettings2")),
                t.COLORCURVES && Ai.PrepareUniforms(e)
            }
            ,
            e.PrepareSamplers = function(e, t) {
                t.COLORGRADING && e.push("txColorTransform")
            }
            ,
            e.prototype.prepareDefines = function(t, i) {
                if (void 0 === i && (i = !1),
                i !== this.applyByPostProcess || !this._isEnabled)
                    return t.VIGNETTE = !1,
                    t.TONEMAPPING = !1,
                    t.TONEMAPPING_ACES = !1,
                    t.CONTRAST = !1,
                    t.EXPOSURE = !1,
                    t.COLORCURVES = !1,
                    t.COLORGRADING = !1,
                    t.COLORGRADING3D = !1,
                    t.IMAGEPROCESSING = !1,
                    t.SKIPFINALCOLORCLAMP = this.skipFinalColorClamp,
                    void (t.IMAGEPROCESSINGPOSTPROCESS = this.applyByPostProcess && this._isEnabled);
                t.VIGNETTE = this.vignetteEnabled,
                t.VIGNETTEBLENDMODEMULTIPLY = this.vignetteBlendMode === e._VIGNETTEMODE_MULTIPLY,
                t.VIGNETTEBLENDMODEOPAQUE = !t.VIGNETTEBLENDMODEMULTIPLY,
                t.TONEMAPPING = this.toneMappingEnabled,
                this._toneMappingType === e.TONEMAPPING_ACES ? t.TONEMAPPING_ACES = !0 : t.TONEMAPPING_ACES = !1,
                t.CONTRAST = 1 !== this.contrast,
                t.EXPOSURE = 1 !== this.exposure,
                t.COLORCURVES = this.colorCurvesEnabled && !!this.colorCurves,
                t.COLORGRADING = this.colorGradingEnabled && !!this.colorGradingTexture,
                t.COLORGRADING ? t.COLORGRADING3D = this.colorGradingTexture.is3D : t.COLORGRADING3D = !1,
                t.SAMPLER3DGREENDEPTH = this.colorGradingWithGreenDepth,
                t.SAMPLER3DBGRMAP = this.colorGradingBGR,
                t.IMAGEPROCESSINGPOSTPROCESS = this.applyByPostProcess,
                t.SKIPFINALCOLORCLAMP = this.skipFinalColorClamp,
                t.IMAGEPROCESSING = t.VIGNETTE || t.TONEMAPPING || t.CONTRAST || t.EXPOSURE || t.COLORCURVES || t.COLORGRADING
            }
            ,
            e.prototype.isReady = function() {
                return !this.colorGradingEnabled || !this.colorGradingTexture || this.colorGradingTexture.isReady()
            }
            ,
            e.prototype.bind = function(e, t) {
                if (this._colorCurvesEnabled && this.colorCurves && Ai.Bind(this.colorCurves, e),
                this._vignetteEnabled) {
                    var i = 1 / e.getEngine().getRenderWidth()
                      , n = 1 / e.getEngine().getRenderHeight();
                    e.setFloat2("vInverseScreenSize", i, n);
                    var r = null != t ? t : n / i
                      , o = Math.tan(.5 * this.vignetteCameraFov)
                      , a = o * r
                      , s = Math.sqrt(a * o);
                    a = gi.Mix(a, s, this.vignetteStretch),
                    o = gi.Mix(o, s, this.vignetteStretch),
                    e.setFloat4("vignetteSettings1", a, o, -a * this.vignetteCentreX, -o * this.vignetteCentreY);
                    var l = -2 * this.vignetteWeight;
                    e.setFloat4("vignetteSettings2", this.vignetteColor.r, this.vignetteColor.g, this.vignetteColor.b, l)
                }
                if (e.setFloat("exposureLinear", this.exposure),
                e.setFloat("contrast", this.contrast),
                this.colorGradingTexture) {
                    e.setTexture("txColorTransform", this.colorGradingTexture);
                    var c = this.colorGradingTexture.getSize().height;
                    e.setFloat4("colorTransformSettings", (c - 1) / c, .5 / c, c, this.colorGradingTexture.level)
                }
            }
            ,
            e.prototype.clone = function() {
                return Ge.Clone((function() {
                    return new e
                }
                ), this)
            }
            ,
            e.prototype.serialize = function() {
                return Ge.Serialize(this)
            }
            ,
            e.Parse = function(t) {
                return Ge.Parse((function() {
                    return new e
                }
                ), t, null, null)
            }
            ,
            Object.defineProperty(e, "VIGNETTEMODE_MULTIPLY", {
                get: function() {
                    return this._VIGNETTEMODE_MULTIPLY
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "VIGNETTEMODE_OPAQUE", {
                get: function() {
                    return this._VIGNETTEMODE_OPAQUE
                },
                enumerable: !1,
                configurable: !0
            }),
            e.TONEMAPPING_STANDARD = 0,
            e.TONEMAPPING_ACES = 1,
            e._VIGNETTEMODE_MULTIPLY = 0,
            e._VIGNETTEMODE_OPAQUE = 1,
            k([Le()], e.prototype, "colorCurves", void 0),
            k([Ce()], e.prototype, "_colorCurvesEnabled", void 0),
            k([Pe("colorGradingTexture")], e.prototype, "_colorGradingTexture", void 0),
            k([Ce()], e.prototype, "_colorGradingEnabled", void 0),
            k([Ce()], e.prototype, "_colorGradingWithGreenDepth", void 0),
            k([Ce()], e.prototype, "_colorGradingBGR", void 0),
            k([Ce()], e.prototype, "_exposure", void 0),
            k([Ce()], e.prototype, "_toneMappingEnabled", void 0),
            k([Ce()], e.prototype, "_toneMappingType", void 0),
            k([Ce()], e.prototype, "_contrast", void 0),
            k([Ce()], e.prototype, "vignetteStretch", void 0),
            k([Ce()], e.prototype, "vignetteCentreX", void 0),
            k([Ce()], e.prototype, "vignetteCentreY", void 0),
            k([Ce()], e.prototype, "vignetteWeight", void 0),
            k([Fe()], e.prototype, "vignetteColor", void 0),
            k([Ce()], e.prototype, "vignetteCameraFov", void 0),
            k([Ce()], e.prototype, "_vignetteBlendMode", void 0),
            k([Ce()], e.prototype, "_vignetteEnabled", void 0),
            k([Ce()], e.prototype, "_skipFinalColorClamp", void 0),
            k([Ce()], e.prototype, "_applyByPostProcess", void 0),
            k([Ce()], e.prototype, "_isEnabled", void 0),
            e
        }();
        Ge._ImageProcessingConfigurationParser = Ri.Parse,
        Ht.prototype.createUniformBuffer = function(e) {
            var t = this._gl.createBuffer();
            if (!t)
                throw new Error("Unable to create uniform buffer");
            var i = new Ut(t);
            return this.bindUniformBuffer(i),
            e instanceof Float32Array ? this._gl.bufferData(this._gl.UNIFORM_BUFFER, e, this._gl.STATIC_DRAW) : this._gl.bufferData(this._gl.UNIFORM_BUFFER, new Float32Array(e), this._gl.STATIC_DRAW),
            this.bindUniformBuffer(null),
            i.references = 1,
            i
        }
        ,
        Ht.prototype.createDynamicUniformBuffer = function(e) {
            var t = this._gl.createBuffer();
            if (!t)
                throw new Error("Unable to create dynamic uniform buffer");
            var i = new Ut(t);
            return this.bindUniformBuffer(i),
            e instanceof Float32Array ? this._gl.bufferData(this._gl.UNIFORM_BUFFER, e, this._gl.DYNAMIC_DRAW) : this._gl.bufferData(this._gl.UNIFORM_BUFFER, new Float32Array(e), this._gl.DYNAMIC_DRAW),
            this.bindUniformBuffer(null),
            i.references = 1,
            i
        }
        ,
        Ht.prototype.updateUniformBuffer = function(e, t, i, n) {
            this.bindUniformBuffer(e),
            void 0 === i && (i = 0),
            void 0 === n ? t instanceof Float32Array ? this._gl.bufferSubData(this._gl.UNIFORM_BUFFER, i, t) : this._gl.bufferSubData(this._gl.UNIFORM_BUFFER, i, new Float32Array(t)) : t instanceof Float32Array ? this._gl.bufferSubData(this._gl.UNIFORM_BUFFER, 0, t.subarray(i, i + n)) : this._gl.bufferSubData(this._gl.UNIFORM_BUFFER, 0, new Float32Array(t).subarray(i, i + n)),
            this.bindUniformBuffer(null)
        }
        ,
        Ht.prototype.bindUniformBuffer = function(e) {
            this._gl.bindBuffer(this._gl.UNIFORM_BUFFER, e ? e.underlyingResource : null)
        }
        ,
        Ht.prototype.bindUniformBufferBase = function(e, t, i) {
            this._gl.bindBufferBase(this._gl.UNIFORM_BUFFER, t, e ? e.underlyingResource : null)
        }
        ,
        Ht.prototype.bindUniformBlock = function(e, t, i) {
            var n = e.program
              , r = this._gl.getUniformBlockIndex(n, t);
            4294967295 !== r && this._gl.uniformBlockBinding(n, r, i)
        }
        ;
        var Ci, Pi, Mi, Ii, Oi, Di, Ni, Li, Fi = function() {
            function e(e, t, i, n, r) {
                void 0 === r && (r = !1),
                this._valueCache = {},
                this._engine = e,
                this._noUBO = !e.supportsUniformBuffers || r,
                this._dynamic = i,
                this._name = null != n ? n : "no-name",
                this._data = t || [],
                this._uniformLocations = {},
                this._uniformSizes = {},
                this._uniformArraySizes = {},
                this._uniformLocationPointer = 0,
                this._needSync = !1,
                this._engine._features.trackUbosInFrame && (this._buffers = [],
                this._bufferIndex = -1,
                this._createBufferOnWrite = !1,
                this._currentFrameId = 0),
                this._noUBO ? (this.updateMatrix3x3 = this._updateMatrix3x3ForEffect,
                this.updateMatrix2x2 = this._updateMatrix2x2ForEffect,
                this.updateFloat = this._updateFloatForEffect,
                this.updateFloat2 = this._updateFloat2ForEffect,
                this.updateFloat3 = this._updateFloat3ForEffect,
                this.updateFloat4 = this._updateFloat4ForEffect,
                this.updateFloatArray = this._updateFloatArrayForEffect,
                this.updateArray = this._updateArrayForEffect,
                this.updateIntArray = this._updateIntArrayForEffect,
                this.updateMatrix = this._updateMatrixForEffect,
                this.updateMatrices = this._updateMatricesForEffect,
                this.updateVector3 = this._updateVector3ForEffect,
                this.updateVector4 = this._updateVector4ForEffect,
                this.updateColor3 = this._updateColor3ForEffect,
                this.updateColor4 = this._updateColor4ForEffect,
                this.updateDirectColor4 = this._updateDirectColor4ForEffect,
                this.updateInt = this._updateIntForEffect,
                this.updateInt2 = this._updateInt2ForEffect,
                this.updateInt3 = this._updateInt3ForEffect,
                this.updateInt4 = this._updateInt4ForEffect) : (this._engine._uniformBuffers.push(this),
                this.updateMatrix3x3 = this._updateMatrix3x3ForUniform,
                this.updateMatrix2x2 = this._updateMatrix2x2ForUniform,
                this.updateFloat = this._updateFloatForUniform,
                this.updateFloat2 = this._updateFloat2ForUniform,
                this.updateFloat3 = this._updateFloat3ForUniform,
                this.updateFloat4 = this._updateFloat4ForUniform,
                this.updateFloatArray = this._updateFloatArrayForUniform,
                this.updateArray = this._updateArrayForUniform,
                this.updateIntArray = this._updateIntArrayForUniform,
                this.updateMatrix = this._updateMatrixForUniform,
                this.updateMatrices = this._updateMatricesForUniform,
                this.updateVector3 = this._updateVector3ForUniform,
                this.updateVector4 = this._updateVector4ForUniform,
                this.updateColor3 = this._updateColor3ForUniform,
                this.updateColor4 = this._updateColor4ForUniform,
                this.updateDirectColor4 = this._updateDirectColor4ForUniform,
                this.updateInt = this._updateIntForUniform,
                this.updateInt2 = this._updateInt2ForUniform,
                this.updateInt3 = this._updateInt3ForUniform,
                this.updateInt4 = this._updateInt4ForUniform)
            }
            return Object.defineProperty(e.prototype, "useUbo", {
                get: function() {
                    return !this._noUBO
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isSync", {
                get: function() {
                    return !this._needSync
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isDynamic = function() {
                return void 0 !== this._dynamic
            }
            ,
            e.prototype.getData = function() {
                return this._bufferData
            }
            ,
            e.prototype.getBuffer = function() {
                return this._buffer
            }
            ,
            e.prototype._fillAlignment = function(e) {
                var t;
                if (t = e <= 2 ? e : 4,
                this._uniformLocationPointer % t != 0) {
                    var i = this._uniformLocationPointer;
                    this._uniformLocationPointer += t - this._uniformLocationPointer % t;
                    for (var n = this._uniformLocationPointer - i, r = 0; r < n; r++)
                        this._data.push(0)
                }
            }
            ,
            e.prototype.addUniform = function(e, t, i) {
                if (void 0 === i && (i = 0),
                !this._noUBO && void 0 === this._uniformLocations[e]) {
                    var n;
                    if (i > 0) {
                        if (t instanceof Array)
                            throw "addUniform should not be use with Array in UBO: " + e;
                        this._fillAlignment(4),
                        this._uniformArraySizes[e] = {
                            strideSize: t,
                            arraySize: i
                        },
                        16 == t ? t *= i : t = t * i + (4 - t) * i,
                        n = [];
                        for (var r = 0; r < t; r++)
                            n.push(0)
                    } else {
                        if (t instanceof Array)
                            t = (n = t).length;
                        else
                            for (t = t,
                            n = [],
                            r = 0; r < t; r++)
                                n.push(0);
                        this._fillAlignment(t)
                    }
                    for (this._uniformSizes[e] = t,
                    this._uniformLocations[e] = this._uniformLocationPointer,
                    this._uniformLocationPointer += t,
                    r = 0; r < t; r++)
                        this._data.push(n[r]);
                    this._needSync = !0
                }
            }
            ,
            e.prototype.addMatrix = function(e, t) {
                this.addUniform(e, Array.prototype.slice.call(t.toArray()))
            }
            ,
            e.prototype.addFloat2 = function(e, t, i) {
                var n = [t, i];
                this.addUniform(e, n)
            }
            ,
            e.prototype.addFloat3 = function(e, t, i, n) {
                var r = [t, i, n];
                this.addUniform(e, r)
            }
            ,
            e.prototype.addColor3 = function(e, t) {
                var i = [t.r, t.g, t.b];
                this.addUniform(e, i)
            }
            ,
            e.prototype.addColor4 = function(e, t, i) {
                var n = [t.r, t.g, t.b, i];
                this.addUniform(e, n)
            }
            ,
            e.prototype.addVector3 = function(e, t) {
                var i = [t.x, t.y, t.z];
                this.addUniform(e, i)
            }
            ,
            e.prototype.addMatrix3x3 = function(e) {
                this.addUniform(e, 12)
            }
            ,
            e.prototype.addMatrix2x2 = function(e) {
                this.addUniform(e, 8)
            }
            ,
            e.prototype.create = function() {
                this._noUBO || this._buffer || (this._fillAlignment(4),
                this._bufferData = new Float32Array(this._data),
                this._rebuild(),
                this._needSync = !0)
            }
            ,
            e.prototype._rebuild = function() {
                !this._noUBO && this._bufferData && (this._dynamic ? this._buffer = this._engine.createDynamicUniformBuffer(this._bufferData) : this._buffer = this._engine.createUniformBuffer(this._bufferData),
                this._engine._features.trackUbosInFrame && (this._buffers.push([this._buffer, this._engine._features.checkUbosContentBeforeUpload ? this._bufferData.slice() : void 0]),
                this._bufferIndex = this._buffers.length - 1,
                this._createBufferOnWrite = !1))
            }
            ,
            Object.defineProperty(e.prototype, "_numBuffers", {
                get: function() {
                    return this._buffers.length
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_indexBuffer", {
                get: function() {
                    return this._bufferIndex
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return this._name
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._buffersEqual = function(e, t) {
                for (var i = 0; i < e.length; ++i)
                    if (e[i] !== t[i])
                        return !1;
                return !0
            }
            ,
            e.prototype._copyBuffer = function(e, t) {
                for (var i = 0; i < e.length; ++i)
                    t[i] = e[i]
            }
            ,
            e.prototype.update = function() {
                if (!this._noUBO)
                    if (this.bindUniformBuffer(),
                    this._buffer)
                        if (this._dynamic || this._needSync) {
                            if (this._buffers && this._buffers.length > 1 && this._buffers[this._bufferIndex][1]) {
                                if (this._buffersEqual(this._bufferData, this._buffers[this._bufferIndex][1]))
                                    return this._needSync = !1,
                                    void (this._createBufferOnWrite = this._engine._features.trackUbosInFrame);
                                this._copyBuffer(this._bufferData, this._buffers[this._bufferIndex][1])
                            }
                            this._engine.updateUniformBuffer(this._buffer, this._bufferData),
                            this._engine._features._collectUbosUpdatedInFrame && (e._UpdatedUbosInFrame[this._name] || (e._UpdatedUbosInFrame[this._name] = 0),
                            e._UpdatedUbosInFrame[this._name]++),
                            this._needSync = !1,
                            this._createBufferOnWrite = this._engine._features.trackUbosInFrame
                        } else
                            this._createBufferOnWrite = this._engine._features.trackUbosInFrame;
                    else
                        this.create()
            }
            ,
            e.prototype._createNewBuffer = function() {
                this._bufferIndex + 1 < this._buffers.length ? (this._bufferIndex++,
                this._buffer = this._buffers[this._bufferIndex][0],
                this._createBufferOnWrite = !1,
                this._needSync = !0) : this._rebuild()
            }
            ,
            e.prototype._checkNewFrame = function() {
                this._engine._features.trackUbosInFrame && this._currentFrameId !== this._engine.frameId && (this._currentFrameId = this._engine.frameId,
                this._createBufferOnWrite = !1,
                this._buffers && this._buffers.length > 0 ? (this._needSync = 0 !== this._bufferIndex,
                this._bufferIndex = 0,
                this._buffer = this._buffers[this._bufferIndex][0]) : this._bufferIndex = -1)
            }
            ,
            e.prototype.updateUniform = function(e, t, i) {
                this._checkNewFrame();
                var n = this._uniformLocations[e];
                if (void 0 === n) {
                    if (this._buffer)
                        return void K.Error("Cannot add an uniform after UBO has been created.");
                    this.addUniform(e, i),
                    n = this._uniformLocations[e]
                }
                if (this._buffer || this.create(),
                this._dynamic)
                    for (o = 0; o < i; o++)
                        this._bufferData[n + o] = t[o];
                else {
                    for (var r = !1, o = 0; o < i; o++)
                        (16 === i && !this._engine._features.uniformBufferHardCheckMatrix || this._bufferData[n + o] !== gi.FloatRound(t[o])) && (r = !0,
                        this._createBufferOnWrite && this._createNewBuffer(),
                        this._bufferData[n + o] = t[o]);
                    this._needSync = this._needSync || r
                }
            }
            ,
            e.prototype.updateUniformArray = function(e, t, i) {
                this._checkNewFrame();
                var n = this._uniformLocations[e];
                if (void 0 !== n) {
                    this._buffer || this.create();
                    var r = this._uniformArraySizes[e];
                    if (this._dynamic)
                        for (l = 0; l < i; l++)
                            this._bufferData[n + l] = t[l];
                    else {
                        for (var o = !1, a = 0, s = 0, l = 0; l < i; l++)
                            if (this._bufferData[n + 4 * s + a] !== gi.FloatRound(t[l]) && (o = !0,
                            this._createBufferOnWrite && this._createNewBuffer(),
                            this._bufferData[n + 4 * s + a] = t[l]),
                            ++a === r.strideSize) {
                                for (; a < 4; a++)
                                    this._bufferData[n + 4 * s + a] = 0;
                                a = 0,
                                s++
                            }
                        this._needSync = this._needSync || o
                    }
                } else
                    K.Error("Cannot add an uniform Array dynamically. Please, add it using addUniform.")
            }
            ,
            e.prototype._cacheMatrix = function(e, t) {
                this._checkNewFrame();
                var i = this._valueCache[e]
                  , n = t.updateFlag;
                return (void 0 === i || i !== n) && (this._valueCache[e] = n,
                !0)
            }
            ,
            e.prototype._updateMatrix3x3ForUniform = function(t, i) {
                for (var n = 0; n < 3; n++)
                    e._TempBuffer[4 * n] = i[3 * n],
                    e._TempBuffer[4 * n + 1] = i[3 * n + 1],
                    e._TempBuffer[4 * n + 2] = i[3 * n + 2],
                    e._TempBuffer[4 * n + 3] = 0;
                this.updateUniform(t, e._TempBuffer, 12)
            }
            ,
            e.prototype._updateMatrix3x3ForEffect = function(e, t) {
                this._currentEffect.setMatrix3x3(e, t)
            }
            ,
            e.prototype._updateMatrix2x2ForEffect = function(e, t) {
                this._currentEffect.setMatrix2x2(e, t)
            }
            ,
            e.prototype._updateMatrix2x2ForUniform = function(t, i) {
                for (var n = 0; n < 2; n++)
                    e._TempBuffer[4 * n] = i[2 * n],
                    e._TempBuffer[4 * n + 1] = i[2 * n + 1],
                    e._TempBuffer[4 * n + 2] = 0,
                    e._TempBuffer[4 * n + 3] = 0;
                this.updateUniform(t, e._TempBuffer, 8)
            }
            ,
            e.prototype._updateFloatForEffect = function(e, t) {
                this._currentEffect.setFloat(e, t)
            }
            ,
            e.prototype._updateFloatForUniform = function(t, i) {
                e._TempBuffer[0] = i,
                this.updateUniform(t, e._TempBuffer, 1)
            }
            ,
            e.prototype._updateFloat2ForEffect = function(e, t, i, n) {
                void 0 === n && (n = ""),
                this._currentEffect.setFloat2(e + n, t, i)
            }
            ,
            e.prototype._updateFloat2ForUniform = function(t, i, n) {
                e._TempBuffer[0] = i,
                e._TempBuffer[1] = n,
                this.updateUniform(t, e._TempBuffer, 2)
            }
            ,
            e.prototype._updateFloat3ForEffect = function(e, t, i, n, r) {
                void 0 === r && (r = ""),
                this._currentEffect.setFloat3(e + r, t, i, n)
            }
            ,
            e.prototype._updateFloat3ForUniform = function(t, i, n, r) {
                e._TempBuffer[0] = i,
                e._TempBuffer[1] = n,
                e._TempBuffer[2] = r,
                this.updateUniform(t, e._TempBuffer, 3)
            }
            ,
            e.prototype._updateFloat4ForEffect = function(e, t, i, n, r, o) {
                void 0 === o && (o = ""),
                this._currentEffect.setFloat4(e + o, t, i, n, r)
            }
            ,
            e.prototype._updateFloat4ForUniform = function(t, i, n, r, o) {
                e._TempBuffer[0] = i,
                e._TempBuffer[1] = n,
                e._TempBuffer[2] = r,
                e._TempBuffer[3] = o,
                this.updateUniform(t, e._TempBuffer, 4)
            }
            ,
            e.prototype._updateFloatArrayForEffect = function(e, t) {
                this._currentEffect.setFloatArray(e, t)
            }
            ,
            e.prototype._updateFloatArrayForUniform = function(e, t) {
                this.updateUniformArray(e, t, t.length)
            }
            ,
            e.prototype._updateArrayForEffect = function(e, t) {
                this._currentEffect.setArray(e, t)
            }
            ,
            e.prototype._updateArrayForUniform = function(e, t) {
                this.updateUniformArray(e, t, t.length)
            }
            ,
            e.prototype._updateIntArrayForEffect = function(e, t) {
                this._currentEffect.setIntArray(e, t)
            }
            ,
            e.prototype._updateIntArrayForUniform = function(t, i) {
                e._TempBufferInt32View.set(i),
                this.updateUniformArray(t, e._TempBuffer, i.length)
            }
            ,
            e.prototype._updateMatrixForEffect = function(e, t) {
                this._currentEffect.setMatrix(e, t)
            }
            ,
            e.prototype._updateMatrixForUniform = function(e, t) {
                this._cacheMatrix(e, t) && this.updateUniform(e, t.toArray(), 16)
            }
            ,
            e.prototype._updateMatricesForEffect = function(e, t) {
                this._currentEffect.setMatrices(e, t)
            }
            ,
            e.prototype._updateMatricesForUniform = function(e, t) {
                this.updateUniform(e, t, t.length)
            }
            ,
            e.prototype._updateVector3ForEffect = function(e, t) {
                this._currentEffect.setVector3(e, t)
            }
            ,
            e.prototype._updateVector3ForUniform = function(t, i) {
                e._TempBuffer[0] = i.x,
                e._TempBuffer[1] = i.y,
                e._TempBuffer[2] = i.z,
                this.updateUniform(t, e._TempBuffer, 3)
            }
            ,
            e.prototype._updateVector4ForEffect = function(e, t) {
                this._currentEffect.setVector4(e, t)
            }
            ,
            e.prototype._updateVector4ForUniform = function(t, i) {
                e._TempBuffer[0] = i.x,
                e._TempBuffer[1] = i.y,
                e._TempBuffer[2] = i.z,
                e._TempBuffer[3] = i.w,
                this.updateUniform(t, e._TempBuffer, 4)
            }
            ,
            e.prototype._updateColor3ForEffect = function(e, t, i) {
                void 0 === i && (i = ""),
                this._currentEffect.setColor3(e + i, t)
            }
            ,
            e.prototype._updateColor3ForUniform = function(t, i) {
                e._TempBuffer[0] = i.r,
                e._TempBuffer[1] = i.g,
                e._TempBuffer[2] = i.b,
                this.updateUniform(t, e._TempBuffer, 3)
            }
            ,
            e.prototype._updateColor4ForEffect = function(e, t, i, n) {
                void 0 === n && (n = ""),
                this._currentEffect.setColor4(e + n, t, i)
            }
            ,
            e.prototype._updateDirectColor4ForEffect = function(e, t, i) {
                void 0 === i && (i = ""),
                this._currentEffect.setDirectColor4(e + i, t)
            }
            ,
            e.prototype._updateColor4ForUniform = function(t, i, n) {
                e._TempBuffer[0] = i.r,
                e._TempBuffer[1] = i.g,
                e._TempBuffer[2] = i.b,
                e._TempBuffer[3] = n,
                this.updateUniform(t, e._TempBuffer, 4)
            }
            ,
            e.prototype._updateDirectColor4ForUniform = function(t, i) {
                e._TempBuffer[0] = i.r,
                e._TempBuffer[1] = i.g,
                e._TempBuffer[2] = i.b,
                e._TempBuffer[3] = i.a,
                this.updateUniform(t, e._TempBuffer, 4)
            }
            ,
            e.prototype._updateIntForEffect = function(e, t, i) {
                void 0 === i && (i = ""),
                this._currentEffect.setInt(e + i, t)
            }
            ,
            e.prototype._updateIntForUniform = function(t, i) {
                e._TempBufferInt32View[0] = i,
                this.updateUniform(t, e._TempBuffer, 1)
            }
            ,
            e.prototype._updateInt2ForEffect = function(e, t, i, n) {
                void 0 === n && (n = ""),
                this._currentEffect.setInt2(e + n, t, i)
            }
            ,
            e.prototype._updateInt2ForUniform = function(t, i, n) {
                e._TempBufferInt32View[0] = i,
                e._TempBufferInt32View[1] = n,
                this.updateUniform(t, e._TempBuffer, 2)
            }
            ,
            e.prototype._updateInt3ForEffect = function(e, t, i, n, r) {
                void 0 === r && (r = ""),
                this._currentEffect.setInt3(e + r, t, i, n)
            }
            ,
            e.prototype._updateInt3ForUniform = function(t, i, n, r) {
                e._TempBufferInt32View[0] = i,
                e._TempBufferInt32View[1] = n,
                e._TempBufferInt32View[2] = r,
                this.updateUniform(t, e._TempBuffer, 3)
            }
            ,
            e.prototype._updateInt4ForEffect = function(e, t, i, n, r, o) {
                void 0 === o && (o = ""),
                this._currentEffect.setInt4(e + o, t, i, n, r)
            }
            ,
            e.prototype._updateInt4ForUniform = function(t, i, n, r, o) {
                e._TempBufferInt32View[0] = i,
                e._TempBufferInt32View[1] = n,
                e._TempBufferInt32View[2] = r,
                e._TempBufferInt32View[3] = o,
                this.updateUniform(t, e._TempBuffer, 4)
            }
            ,
            e.prototype.setTexture = function(e, t) {
                this._currentEffect.setTexture(e, t)
            }
            ,
            e.prototype.updateUniformDirectly = function(e, t) {
                this.updateUniform(e, t, t.length),
                this.update()
            }
            ,
            e.prototype.bindToEffect = function(e, t) {
                this._currentEffect = e,
                this._currentEffectName = t
            }
            ,
            e.prototype.bindUniformBuffer = function() {
                !this._noUBO && this._buffer && this._currentEffect && this._currentEffect.bindUniformBuffer(this._buffer, this._currentEffectName)
            }
            ,
            e.prototype.unbindEffect = function() {
                this._currentEffect = void 0,
                this._currentEffectName = void 0
            }
            ,
            e.prototype.setDataBuffer = function(e) {
                if (!this._buffers)
                    return this._buffer === e;
                for (var t = 0; t < this._buffers.length; ++t)
                    if (this._buffers[t][0] === e)
                        return this._bufferIndex = t,
                        this._buffer = e,
                        this._createBufferOnWrite = !1,
                        this._currentEffect = void 0,
                        !0;
                return !1
            }
            ,
            e.prototype.dispose = function() {
                if (!this._noUBO) {
                    var e = this._engine._uniformBuffers
                      , t = e.indexOf(this);
                    if (-1 !== t && (e[t] = e[e.length - 1],
                    e.pop()),
                    this._engine._features.trackUbosInFrame && this._buffers)
                        for (var i = 0; i < this._buffers.length; ++i) {
                            var n = this._buffers[i][0];
                            this._engine._releaseBuffer(n)
                        }
                    else
                        this._buffer && this._engine._releaseBuffer(this._buffer) && (this._buffer = null)
                }
            }
            ,
            e._UpdatedUbosInFrame = {},
            e._MAX_UNIFORM_SIZE = 256,
            e._TempBuffer = new Float32Array(e._MAX_UNIFORM_SIZE),
            e._TempBufferInt32View = new Uint32Array(e._TempBuffer.buffer),
            e
        }(), wi = function() {
            function e(e, t, i, n, r, o, a, s) {
                void 0 === n && (n = 0),
                void 0 === r && (r = !1),
                void 0 === o && (o = !1),
                void 0 === a && (a = !1),
                this._isAlreadyOwned = !1,
                e.getScene ? this._engine = e.getScene().getEngine() : this._engine = e,
                this._updatable = i,
                this._instanced = o,
                this._divisor = s || 1,
                t instanceof Bt ? (this._data = null,
                this._buffer = t) : (this._data = t,
                this._buffer = null),
                this.byteStride = a ? n : n * Float32Array.BYTES_PER_ELEMENT,
                r || this.create()
            }
            return e.prototype.createVertexBuffer = function(e, t, i, n, r, o, a) {
                void 0 === o && (o = !1);
                var s = o ? t : t * Float32Array.BYTES_PER_ELEMENT
                  , l = n ? o ? n : n * Float32Array.BYTES_PER_ELEMENT : this.byteStride;
                return new Bi(this._engine,this,e,this._updatable,!0,l,void 0 === r ? this._instanced : r,s,i,void 0,void 0,!0,this._divisor || a)
            }
            ,
            e.prototype.isUpdatable = function() {
                return this._updatable
            }
            ,
            e.prototype.getData = function() {
                return this._data
            }
            ,
            e.prototype.getBuffer = function() {
                return this._buffer
            }
            ,
            e.prototype.getStrideSize = function() {
                return this.byteStride / Float32Array.BYTES_PER_ELEMENT
            }
            ,
            e.prototype.create = function(e) {
                void 0 === e && (e = null),
                !e && this._buffer || (e = e || this._data) && (this._buffer ? this._updatable && (this._engine.updateDynamicVertexBuffer(this._buffer, e),
                this._data = e) : this._updatable ? (this._buffer = this._engine.createDynamicVertexBuffer(e),
                this._data = e) : this._buffer = this._engine.createVertexBuffer(e))
            }
            ,
            e.prototype._rebuild = function() {
                this._buffer = null,
                this.create(this._data)
            }
            ,
            e.prototype.update = function(e) {
                this.create(e)
            }
            ,
            e.prototype.updateDirectly = function(e, t, i, n) {
                void 0 === n && (n = !1),
                this._buffer && this._updatable && (this._engine.updateDynamicVertexBuffer(this._buffer, e, n ? t : t * Float32Array.BYTES_PER_ELEMENT, i ? i * this.byteStride : void 0),
                this._data = 0 === t && void 0 === i ? e : null)
            }
            ,
            e.prototype._increaseReferences = function() {
                this._buffer && (this._isAlreadyOwned ? this._buffer.references++ : this._isAlreadyOwned = !0)
            }
            ,
            e.prototype.dispose = function() {
                this._buffer && this._engine._releaseBuffer(this._buffer) && (this._buffer = null,
                this._data = null)
            }
            ,
            e
        }(), Bi = function() {
            function e(t, i, n, r, o, a, s, l, c, u, h, d, p, f) {
                if (void 0 === h && (h = !1),
                void 0 === d && (d = !1),
                void 0 === p && (p = 1),
                void 0 === f && (f = !1),
                i instanceof wi ? (this._buffer = i,
                this._ownsBuffer = f) : (this._buffer = new wi(t,i,r,a,o,s,d),
                this._ownsBuffer = !0),
                this.uniqueId = e._Counter++,
                this._kind = n,
                null == u) {
                    var _ = this.getData();
                    this.type = e.FLOAT,
                    _ instanceof Int8Array ? this.type = e.BYTE : _ instanceof Uint8Array ? this.type = e.UNSIGNED_BYTE : _ instanceof Int16Array ? this.type = e.SHORT : _ instanceof Uint16Array ? this.type = e.UNSIGNED_SHORT : _ instanceof Int32Array ? this.type = e.INT : _ instanceof Uint32Array && (this.type = e.UNSIGNED_INT)
                } else
                    this.type = u;
                var m = e.GetTypeByteLength(this.type);
                d ? (this._size = c || (a ? a / m : e.DeduceStride(n)),
                this.byteStride = a || this._buffer.byteStride || this._size * m,
                this.byteOffset = l || 0) : (this._size = c || a || e.DeduceStride(n),
                this.byteStride = a ? a * m : this._buffer.byteStride || this._size * m,
                this.byteOffset = (l || 0) * m),
                this.normalized = h,
                this._instanced = void 0 !== s && s,
                this._instanceDivisor = s ? p : 0,
                this._computeHashCode()
            }
            return Object.defineProperty(e.prototype, "instanceDivisor", {
                get: function() {
                    return this._instanceDivisor
                },
                set: function(e) {
                    this._instanceDivisor = e,
                    this._instanced = 0 != e,
                    this._computeHashCode()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._computeHashCode = function() {
                this.hashCode = (this.type - 5120 << 0) + ((this.normalized ? 1 : 0) << 3) + (this._size << 4) + ((this._instanced ? 1 : 0) << 6) + (this.byteStride << 12)
            }
            ,
            e.prototype._rebuild = function() {
                this._buffer && this._buffer._rebuild()
            }
            ,
            e.prototype.getKind = function() {
                return this._kind
            }
            ,
            e.prototype.isUpdatable = function() {
                return this._buffer.isUpdatable()
            }
            ,
            e.prototype.getData = function() {
                return this._buffer.getData()
            }
            ,
            e.prototype.getFloatData = function(t, i) {
                var n = this.getData();
                if (!n)
                    return null;
                var r = this.getSize() * e.GetTypeByteLength(this.type)
                  , o = t * this.getSize();
                if (this.type !== e.FLOAT || this.byteStride !== r) {
                    var a = new Float32Array(o);
                    return this.forEach(o, (function(e, t) {
                        return a[t] = e
                    }
                    )),
                    a
                }
                if (!(n instanceof Array || n instanceof Float32Array) || 0 !== this.byteOffset || n.length !== o) {
                    if (n instanceof Array) {
                        var s = this.byteOffset / 4;
                        return mi.Slice(n, s, s + o)
                    }
                    if (n instanceof ArrayBuffer)
                        return new Float32Array(n,this.byteOffset,o);
                    if (s = n.byteOffset + this.byteOffset,
                    i) {
                        var l = new Float32Array(o)
                          , c = new Float32Array(n.buffer,s,o);
                        return l.set(c),
                        l
                    }
                    var u = s % 4;
                    return u && (s = Math.max(0, s - u)),
                    new Float32Array(n.buffer,s,o)
                }
                return i ? mi.Slice(n) : n
            }
            ,
            e.prototype.getBuffer = function() {
                return this._buffer.getBuffer()
            }
            ,
            e.prototype.getStrideSize = function() {
                return this.byteStride / e.GetTypeByteLength(this.type)
            }
            ,
            e.prototype.getOffset = function() {
                return this.byteOffset / e.GetTypeByteLength(this.type)
            }
            ,
            e.prototype.getSize = function(t) {
                return void 0 === t && (t = !1),
                t ? this._size * e.GetTypeByteLength(this.type) : this._size
            }
            ,
            e.prototype.getIsInstanced = function() {
                return this._instanced
            }
            ,
            e.prototype.getInstanceDivisor = function() {
                return this._instanceDivisor
            }
            ,
            e.prototype.create = function(e) {
                this._buffer.create(e)
            }
            ,
            e.prototype.update = function(e) {
                this._buffer.update(e)
            }
            ,
            e.prototype.updateDirectly = function(e, t, i) {
                void 0 === i && (i = !1),
                this._buffer.updateDirectly(e, t, void 0, i)
            }
            ,
            e.prototype.dispose = function() {
                this._ownsBuffer && this._buffer.dispose()
            }
            ,
            e.prototype.forEach = function(t, i) {
                e.ForEach(this._buffer.getData(), this.byteOffset, this.byteStride, this._size, this.type, t, this.normalized, i)
            }
            ,
            e.DeduceStride = function(t) {
                switch (t) {
                case e.UVKind:
                case e.UV2Kind:
                case e.UV3Kind:
                case e.UV4Kind:
                case e.UV5Kind:
                case e.UV6Kind:
                    return 2;
                case e.NormalKind:
                case e.PositionKind:
                    return 3;
                case e.ColorKind:
                case e.MatricesIndicesKind:
                case e.MatricesIndicesExtraKind:
                case e.MatricesWeightsKind:
                case e.MatricesWeightsExtraKind:
                case e.TangentKind:
                    return 4;
                default:
                    throw new Error("Invalid kind '" + t + "'")
                }
            }
            ,
            e.GetTypeByteLength = function(t) {
                switch (t) {
                case e.BYTE:
                case e.UNSIGNED_BYTE:
                    return 1;
                case e.SHORT:
                case e.UNSIGNED_SHORT:
                    return 2;
                case e.INT:
                case e.UNSIGNED_INT:
                case e.FLOAT:
                    return 4;
                default:
                    throw new Error("Invalid type '".concat(t, "'"))
                }
            }
            ,
            e.ForEach = function(t, i, n, r, o, a, s, l) {
                if (t instanceof Array)
                    for (var c = i / 4, u = n / 4, h = 0; h < a; h += r) {
                        for (var d = 0; d < r; d++)
                            l(t[c + d], h + d);
                        c += u
                    }
                else {
                    var p = t instanceof ArrayBuffer ? new DataView(t) : new DataView(t.buffer,t.byteOffset,t.byteLength)
                      , f = e.GetTypeByteLength(o);
                    for (h = 0; h < a; h += r) {
                        var _ = i;
                        for (d = 0; d < r; d++)
                            l(e._GetFloatValue(p, o, _, s), h + d),
                            _ += f;
                        i += n
                    }
                }
            }
            ,
            e._GetFloatValue = function(t, i, n, r) {
                switch (i) {
                case e.BYTE:
                    var o = t.getInt8(n);
                    return r && (o = Math.max(o / 127, -1)),
                    o;
                case e.UNSIGNED_BYTE:
                    return o = t.getUint8(n),
                    r && (o /= 255),
                    o;
                case e.SHORT:
                    return o = t.getInt16(n, !0),
                    r && (o = Math.max(o / 32767, -1)),
                    o;
                case e.UNSIGNED_SHORT:
                    return o = t.getUint16(n, !0),
                    r && (o /= 65535),
                    o;
                case e.INT:
                    return t.getInt32(n, !0);
                case e.UNSIGNED_INT:
                    return t.getUint32(n, !0);
                case e.FLOAT:
                    return t.getFloat32(n, !0);
                default:
                    throw new Error("Invalid component type ".concat(i))
                }
            }
            ,
            e._Counter = 0,
            e.BYTE = 5120,
            e.UNSIGNED_BYTE = 5121,
            e.SHORT = 5122,
            e.UNSIGNED_SHORT = 5123,
            e.INT = 5124,
            e.UNSIGNED_INT = 5125,
            e.FLOAT = 5126,
            e.PositionKind = "position",
            e.NormalKind = "normal",
            e.TangentKind = "tangent",
            e.UVKind = "uv",
            e.UV2Kind = "uv2",
            e.UV3Kind = "uv3",
            e.UV4Kind = "uv4",
            e.UV5Kind = "uv5",
            e.UV6Kind = "uv6",
            e.ColorKind = "color",
            e.ColorInstanceKind = "instanceColor",
            e.MatricesIndicesKind = "matricesIndices",
            e.MatricesWeightsKind = "matricesWeights",
            e.MatricesIndicesExtraKind = "matricesIndicesExtra",
            e.MatricesWeightsExtraKind = "matricesWeightsExtra",
            e
        }(), Ui = function() {
            function e() {
                this._pickingUnavailable = !1,
                this.hit = !1,
                this.distance = 0,
                this.pickedPoint = null,
                this.pickedMesh = null,
                this.bu = 0,
                this.bv = 0,
                this.faceId = -1,
                this.subMeshFaceId = -1,
                this.subMeshId = 0,
                this.pickedSprite = null,
                this.thinInstanceIndex = -1,
                this.ray = null,
                this.originMesh = null,
                this.aimTransform = null,
                this.gripTransform = null
            }
            return e.prototype.getNormal = function(e, t) {
                if (void 0 === e && (e = !1),
                void 0 === t && (t = !0),
                !this.pickedMesh || !this.pickedMesh.isVerticesDataPresent(Bi.NormalKind))
                    return null;
                var i, n = this.pickedMesh.getIndices();
                if (!n)
                    return null;
                if (t) {
                    var r = this.pickedMesh.getVerticesData(Bi.NormalKind)
                      , o = x.FromArray(r, 3 * n[3 * this.faceId])
                      , a = x.FromArray(r, 3 * n[3 * this.faceId + 1])
                      , s = x.FromArray(r, 3 * n[3 * this.faceId + 2]);
                    o = o.scale(this.bu),
                    a = a.scale(this.bv),
                    s = s.scale(1 - this.bu - this.bv),
                    i = new x(o.x + a.x + s.x,o.y + a.y + s.y,o.z + a.z + s.z)
                } else {
                    var l = this.pickedMesh.getVerticesData(Bi.PositionKind)
                      , c = x.FromArray(l, 3 * n[3 * this.faceId])
                      , u = x.FromArray(l, 3 * n[3 * this.faceId + 1])
                      , h = x.FromArray(l, 3 * n[3 * this.faceId + 2])
                      , d = c.subtract(u)
                      , p = h.subtract(u);
                    i = x.Cross(d, p)
                }
                if (e) {
                    var f = this.pickedMesh.getWorldMatrix();
                    this.pickedMesh.nonUniformScaling && (I.Matrix[0].copyFrom(f),
                    (f = I.Matrix[0]).setTranslationFromFloats(0, 0, 0),
                    f.invert(),
                    f.transposeToRef(I.Matrix[1]),
                    f = I.Matrix[1]),
                    i = x.TransformNormal(i, f)
                }
                return i.normalize(),
                i
            }
            ,
            e.prototype.getTextureCoordinates = function() {
                if (!this.pickedMesh || !this.pickedMesh.isVerticesDataPresent(Bi.UVKind))
                    return null;
                var e = this.pickedMesh.getIndices();
                if (!e)
                    return null;
                var t = this.pickedMesh.getVerticesData(Bi.UVKind);
                if (!t)
                    return null;
                var i = A.FromArray(t, 2 * e[3 * this.faceId])
                  , n = A.FromArray(t, 2 * e[3 * this.faceId + 1])
                  , r = A.FromArray(t, 2 * e[3 * this.faceId + 2]);
                return i = i.scale(this.bu),
                n = n.scale(this.bv),
                r = r.scale(1 - this.bu - this.bv),
                new A(i.x + n.x + r.x,i.y + n.y + r.y)
            }
            ,
            e
        }(), Vi = function() {
            function e(e) {
                this._vertexBuffers = {},
                this._scene = e
            }
            return e.prototype._prepareBuffers = function() {
                if (!this._vertexBuffers[Bi.PositionKind]) {
                    var e = [];
                    e.push(1, 1),
                    e.push(-1, 1),
                    e.push(-1, -1),
                    e.push(1, -1),
                    this._vertexBuffers[Bi.PositionKind] = new Bi(this._scene.getEngine(),e,Bi.PositionKind,!1,!1,2),
                    this._buildIndexBuffer()
                }
            }
            ,
            e.prototype._buildIndexBuffer = function() {
                var e = [];
                e.push(0),
                e.push(1),
                e.push(2),
                e.push(0),
                e.push(2),
                e.push(3),
                this._indexBuffer = this._scene.getEngine().createIndexBuffer(e)
            }
            ,
            e.prototype._rebuild = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && (e._rebuild(),
                this._buildIndexBuffer())
            }
            ,
            e.prototype._prepareFrame = function(e, t) {
                void 0 === e && (e = null),
                void 0 === t && (t = null);
                var i = this._scene.activeCamera;
                return !(!i || !(t = t || i._postProcesses.filter((function(e) {
                    return null != e
                }
                ))) || 0 === t.length || !this._scene.postProcessesEnabled || (t[0].activate(i, e, null != t),
                0))
            }
            ,
            e.prototype.directRender = function(e, t, i, n, r, o) {
                var s;
                void 0 === t && (t = null),
                void 0 === i && (i = !1),
                void 0 === n && (n = 0),
                void 0 === r && (r = 0),
                void 0 === o && (o = !1);
                for (var l = this._scene.getEngine(), c = 0; c < e.length; c++) {
                    c < e.length - 1 ? e[c + 1].activate(this._scene.activeCamera, null == t ? void 0 : t.texture) : (t ? l.bindFramebuffer(t, n, void 0, void 0, i, r) : o || l.restoreDefaultFramebuffer(),
                    null === (s = l._debugInsertMarker) || void 0 === s || s.call(l, "post process ".concat(e[c].name, " output")));
                    var u = e[c]
                      , h = u.apply();
                    h && (u.onBeforeRenderObservable.notifyObservers(h),
                    this._prepareBuffers(),
                    l.bindBuffers(this._vertexBuffers, this._indexBuffer, h),
                    l.drawElementsType(a.MATERIAL_TriangleFillMode, 0, 6),
                    u.onAfterRenderObservable.notifyObservers(h))
                }
                l.setDepthBuffer(!0),
                l.setDepthWrite(!0)
            }
            ,
            e.prototype._finalizeFrame = function(e, t, i, n, r) {
                var o;
                void 0 === r && (r = !1);
                var s = this._scene.activeCamera;
                if (s && (n = n || s._postProcesses.filter((function(e) {
                    return null != e
                }
                )),
                0 !== n.length && this._scene.postProcessesEnabled)) {
                    for (var l = this._scene.getEngine(), c = 0, u = n.length; c < u; c++) {
                        var h = n[c];
                        if (c < u - 1 ? h._outputTexture = n[c + 1].activate(s, null == t ? void 0 : t.texture) : (t ? (l.bindFramebuffer(t, i, void 0, void 0, r),
                        h._outputTexture = t) : (l.restoreDefaultFramebuffer(),
                        h._outputTexture = null),
                        null === (o = l._debugInsertMarker) || void 0 === o || o.call(l, "post process ".concat(n[c].name, " output"))),
                        e)
                            break;
                        var d = h.apply();
                        d && (h.onBeforeRenderObservable.notifyObservers(d),
                        this._prepareBuffers(),
                        l.bindBuffers(this._vertexBuffers, this._indexBuffer, d),
                        l.drawElementsType(a.MATERIAL_TriangleFillMode, 0, 6),
                        h.onAfterRenderObservable.notifyObservers(d))
                    }
                    l.setDepthBuffer(!0),
                    l.setDepthWrite(!0),
                    l.setAlphaMode(a.ALPHA_DISABLE)
                }
            }
            ,
            e.prototype.dispose = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && (e.dispose(),
                this._vertexBuffers[Bi.PositionKind] = null),
                this._indexBuffer && (this._scene.getEngine()._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null)
            }
            ,
            e
        }(), ki = function() {
            function e(e, t, i, n, r) {
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                void 0 === r && (r = null),
                this.index = e,
                this._opaqueSubMeshes = new bi(256),
                this._transparentSubMeshes = new bi(256),
                this._alphaTestSubMeshes = new bi(256),
                this._depthOnlySubMeshes = new bi(256),
                this._particleSystems = new bi(256),
                this._spriteManagers = new bi(256),
                this._empty = !0,
                this._edgesRenderers = new Ti(16),
                this._scene = t,
                this.opaqueSortCompareFn = i,
                this.alphaTestSortCompareFn = n,
                this.transparentSortCompareFn = r
            }
            return Object.defineProperty(e.prototype, "opaqueSortCompareFn", {
                set: function(t) {
                    this._opaqueSortCompareFn = t,
                    this._renderOpaque = t ? this._renderOpaqueSorted : e._RenderUnsorted
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "alphaTestSortCompareFn", {
                set: function(t) {
                    this._alphaTestSortCompareFn = t,
                    this._renderAlphaTest = t ? this._renderAlphaTestSorted : e._RenderUnsorted
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "transparentSortCompareFn", {
                set: function(t) {
                    this._transparentSortCompareFn = t || e.defaultTransparentSortCompare,
                    this._renderTransparent = this._renderTransparentSorted
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.render = function(e, t, i, n) {
                if (e)
                    e(this._opaqueSubMeshes, this._alphaTestSubMeshes, this._transparentSubMeshes, this._depthOnlySubMeshes);
                else {
                    var r = this._scene.getEngine();
                    0 !== this._depthOnlySubMeshes.length && (r.setColorWrite(!1),
                    this._renderAlphaTest(this._depthOnlySubMeshes),
                    r.setColorWrite(!0)),
                    0 !== this._opaqueSubMeshes.length && this._renderOpaque(this._opaqueSubMeshes),
                    0 !== this._alphaTestSubMeshes.length && this._renderAlphaTest(this._alphaTestSubMeshes);
                    var o = r.getStencilBuffer();
                    if (r.setStencilBuffer(!1),
                    t && this._renderSprites(),
                    i && this._renderParticles(n),
                    this.onBeforeTransparentRendering && this.onBeforeTransparentRendering(),
                    0 !== this._transparentSubMeshes.length || this._scene.useOrderIndependentTransparency) {
                        if (r.setStencilBuffer(o),
                        this._scene.useOrderIndependentTransparency) {
                            var s = this._scene.depthPeelingRenderer.render(this._transparentSubMeshes);
                            s.length && this._renderTransparent(s)
                        } else
                            this._renderTransparent(this._transparentSubMeshes);
                        r.setAlphaMode(a.ALPHA_DISABLE)
                    }
                    if (r.setStencilBuffer(!1),
                    this._edgesRenderers.length) {
                        for (var l = 0; l < this._edgesRenderers.length; l++)
                            this._edgesRenderers.data[l].render();
                        r.setAlphaMode(a.ALPHA_DISABLE)
                    }
                    r.setStencilBuffer(o)
                }
            }
            ,
            e.prototype._renderOpaqueSorted = function(t) {
                return e._RenderSorted(t, this._opaqueSortCompareFn, this._scene.activeCamera, !1)
            }
            ,
            e.prototype._renderAlphaTestSorted = function(t) {
                return e._RenderSorted(t, this._alphaTestSortCompareFn, this._scene.activeCamera, !1)
            }
            ,
            e.prototype._renderTransparentSorted = function(t) {
                return e._RenderSorted(t, this._transparentSortCompareFn, this._scene.activeCamera, !0)
            }
            ,
            e._RenderSorted = function(t, i, n, r) {
                for (var o, s = 0, l = n ? n.globalPosition : e._ZeroVector; s < t.length; s++)
                    (o = t.data[s])._alphaIndex = o.getMesh().alphaIndex,
                    o._distanceToCamera = x.Distance(o.getBoundingInfo().boundingSphere.centerWorld, l);
                var c = t.data.slice(0, t.length);
                for (i && c.sort(i),
                s = 0; s < c.length; s++) {
                    if (o = c[s],
                    r) {
                        var u = o.getMaterial();
                        if (u && u.needDepthPrePass) {
                            var h = u.getScene().getEngine();
                            h.setColorWrite(!1),
                            h.setAlphaMode(a.ALPHA_DISABLE),
                            o.render(!1),
                            h.setColorWrite(!0)
                        }
                    }
                    o.render(r)
                }
            }
            ,
            e._RenderUnsorted = function(e) {
                for (var t = 0; t < e.length; t++)
                    e.data[t].render(!1)
            }
            ,
            e.defaultTransparentSortCompare = function(t, i) {
                return t._alphaIndex > i._alphaIndex ? 1 : t._alphaIndex < i._alphaIndex ? -1 : e.backToFrontSortCompare(t, i)
            }
            ,
            e.backToFrontSortCompare = function(e, t) {
                return e._distanceToCamera < t._distanceToCamera ? 1 : e._distanceToCamera > t._distanceToCamera ? -1 : 0
            }
            ,
            e.frontToBackSortCompare = function(e, t) {
                return e._distanceToCamera < t._distanceToCamera ? -1 : e._distanceToCamera > t._distanceToCamera ? 1 : 0
            }
            ,
            e.prototype.prepare = function() {
                this._opaqueSubMeshes.reset(),
                this._transparentSubMeshes.reset(),
                this._alphaTestSubMeshes.reset(),
                this._depthOnlySubMeshes.reset(),
                this._particleSystems.reset(),
                this._spriteManagers.reset(),
                this._edgesRenderers.reset(),
                this._empty = !0
            }
            ,
            e.prototype.dispose = function() {
                this._opaqueSubMeshes.dispose(),
                this._transparentSubMeshes.dispose(),
                this._alphaTestSubMeshes.dispose(),
                this._depthOnlySubMeshes.dispose(),
                this._particleSystems.dispose(),
                this._spriteManagers.dispose(),
                this._edgesRenderers.dispose()
            }
            ,
            e.prototype.dispatch = function(e, t, i) {
                void 0 === t && (t = e.getMesh()),
                void 0 === i && (i = e.getMaterial()),
                null != i && (i.needAlphaBlendingForMesh(t) ? this._transparentSubMeshes.push(e) : i.needAlphaTesting() ? (i.needDepthPrePass && this._depthOnlySubMeshes.push(e),
                this._alphaTestSubMeshes.push(e)) : (i.needDepthPrePass && this._depthOnlySubMeshes.push(e),
                this._opaqueSubMeshes.push(e)),
                t._renderingGroup = this,
                t._edgesRenderer && t._edgesRenderer.isEnabled && this._edgesRenderers.pushNoDuplicate(t._edgesRenderer),
                this._empty = !1)
            }
            ,
            e.prototype.dispatchSprites = function(e) {
                this._spriteManagers.push(e),
                this._empty = !1
            }
            ,
            e.prototype.dispatchParticles = function(e) {
                this._particleSystems.push(e),
                this._empty = !1
            }
            ,
            e.prototype._renderParticles = function(e) {
                if (0 !== this._particleSystems.length) {
                    var t = this._scene.activeCamera;
                    this._scene.onBeforeParticlesRenderingObservable.notifyObservers(this._scene);
                    for (var i = 0; i < this._particleSystems.length; i++) {
                        var n = this._particleSystems.data[i];
                        if (0 !== (t && t.layerMask & n.layerMask)) {
                            var r = n.emitter;
                            r.position && e && -1 === e.indexOf(r) || this._scene._activeParticles.addCount(n.render(), !1)
                        }
                    }
                    this._scene.onAfterParticlesRenderingObservable.notifyObservers(this._scene)
                }
            }
            ,
            e.prototype._renderSprites = function() {
                if (this._scene.spritesEnabled && 0 !== this._spriteManagers.length) {
                    var e = this._scene.activeCamera;
                    this._scene.onBeforeSpritesRenderingObservable.notifyObservers(this._scene);
                    for (var t = 0; t < this._spriteManagers.length; t++) {
                        var i = this._spriteManagers.data[t];
                        0 !== (e && e.layerMask & i.layerMask) && i.render()
                    }
                    this._scene.onAfterSpritesRenderingObservable.notifyObservers(this._scene)
                }
            }
            ,
            e._ZeroVector = x.Zero(),
            e
        }(), Gi = function() {}, zi = function() {
            function e(t) {
                this._useSceneAutoClearSetup = !1,
                this._renderingGroups = new Array,
                this._autoClearDepthStencil = {},
                this._customOpaqueSortCompareFn = {},
                this._customAlphaTestSortCompareFn = {},
                this._customTransparentSortCompareFn = {},
                this._renderingGroupInfo = new Gi,
                this._scene = t;
                for (var i = e.MIN_RENDERINGGROUPS; i < e.MAX_RENDERINGGROUPS; i++)
                    this._autoClearDepthStencil[i] = {
                        autoClear: !0,
                        depth: !0,
                        stencil: !0
                    }
            }
            return e.prototype._clearDepthStencilBuffer = function(e, t) {
                void 0 === e && (e = !0),
                void 0 === t && (t = !0),
                this._depthStencilBufferAlreadyCleaned || (this._scene.getEngine().clear(null, !1, e, t),
                this._depthStencilBufferAlreadyCleaned = !0)
            }
            ,
            e.prototype.render = function(t, i, n, r) {
                var o = this._renderingGroupInfo;
                if (o.scene = this._scene,
                o.camera = this._scene.activeCamera,
                this._scene.spriteManagers && r)
                    for (var a = 0; a < this._scene.spriteManagers.length; a++) {
                        var s = this._scene.spriteManagers[a];
                        this.dispatchSprites(s)
                    }
                for (a = e.MIN_RENDERINGGROUPS; a < e.MAX_RENDERINGGROUPS; a++) {
                    this._depthStencilBufferAlreadyCleaned = a === e.MIN_RENDERINGGROUPS;
                    var l = this._renderingGroups[a];
                    if (l && !l._empty) {
                        var c = Math.pow(2, a);
                        if (o.renderingGroupId = a,
                        this._scene.onBeforeRenderingGroupObservable.notifyObservers(o, c),
                        e.AUTOCLEAR) {
                            var u = this._useSceneAutoClearSetup ? this._scene.getAutoClearDepthStencilSetup(a) : this._autoClearDepthStencil[a];
                            u && u.autoClear && this._clearDepthStencilBuffer(u.depth, u.stencil)
                        }
                        for (var h = 0, d = this._scene._beforeRenderingGroupDrawStage; h < d.length; h++)
                            d[h].action(a);
                        l.render(t, r, n, i);
                        for (var p = 0, f = this._scene._afterRenderingGroupDrawStage; p < f.length; p++)
                            f[p].action(a);
                        this._scene.onAfterRenderingGroupObservable.notifyObservers(o, c)
                    }
                }
            }
            ,
            e.prototype.reset = function() {
                for (var t = e.MIN_RENDERINGGROUPS; t < e.MAX_RENDERINGGROUPS; t++) {
                    var i = this._renderingGroups[t];
                    i && i.prepare()
                }
            }
            ,
            e.prototype.dispose = function() {
                this.freeRenderingGroups(),
                this._renderingGroups.length = 0,
                this._renderingGroupInfo = null
            }
            ,
            e.prototype.freeRenderingGroups = function() {
                for (var t = e.MIN_RENDERINGGROUPS; t < e.MAX_RENDERINGGROUPS; t++) {
                    var i = this._renderingGroups[t];
                    i && i.dispose()
                }
            }
            ,
            e.prototype._prepareRenderingGroup = function(e) {
                void 0 === this._renderingGroups[e] && (this._renderingGroups[e] = new ki(e,this._scene,this._customOpaqueSortCompareFn[e],this._customAlphaTestSortCompareFn[e],this._customTransparentSortCompareFn[e]))
            }
            ,
            e.prototype.dispatchSprites = function(e) {
                var t = e.renderingGroupId || 0;
                this._prepareRenderingGroup(t),
                this._renderingGroups[t].dispatchSprites(e)
            }
            ,
            e.prototype.dispatchParticles = function(e) {
                var t = e.renderingGroupId || 0;
                this._prepareRenderingGroup(t),
                this._renderingGroups[t].dispatchParticles(e)
            }
            ,
            e.prototype.dispatch = function(e, t, i) {
                void 0 === t && (t = e.getMesh());
                var n = t.renderingGroupId || 0;
                this._prepareRenderingGroup(n),
                this._renderingGroups[n].dispatch(e, t, i)
            }
            ,
            e.prototype.setRenderingOrder = function(e, t, i, n) {
                if (void 0 === t && (t = null),
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                this._customOpaqueSortCompareFn[e] = t,
                this._customAlphaTestSortCompareFn[e] = i,
                this._customTransparentSortCompareFn[e] = n,
                this._renderingGroups[e]) {
                    var r = this._renderingGroups[e];
                    r.opaqueSortCompareFn = this._customOpaqueSortCompareFn[e],
                    r.alphaTestSortCompareFn = this._customAlphaTestSortCompareFn[e],
                    r.transparentSortCompareFn = this._customTransparentSortCompareFn[e]
                }
            }
            ,
            e.prototype.setRenderingAutoClearDepthStencil = function(e, t, i, n) {
                void 0 === i && (i = !0),
                void 0 === n && (n = !0),
                this._autoClearDepthStencil[e] = {
                    autoClear: t,
                    depth: i,
                    stencil: n
                }
            }
            ,
            e.prototype.getAutoClearDepthStencilSetup = function(e) {
                return this._autoClearDepthStencil[e]
            }
            ,
            e.MAX_RENDERINGGROUPS = 4,
            e.MIN_RENDERINGGROUPS = 0,
            e.AUTOCLEAR = !0,
            e
        }(), Wi = function() {
            function e() {}
            return e.NAME_EFFECTLAYER = "EffectLayer",
            e.NAME_LAYER = "Layer",
            e.NAME_LENSFLARESYSTEM = "LensFlareSystem",
            e.NAME_BOUNDINGBOXRENDERER = "BoundingBoxRenderer",
            e.NAME_PARTICLESYSTEM = "ParticleSystem",
            e.NAME_GAMEPAD = "Gamepad",
            e.NAME_SIMPLIFICATIONQUEUE = "SimplificationQueue",
            e.NAME_GEOMETRYBUFFERRENDERER = "GeometryBufferRenderer",
            e.NAME_PREPASSRENDERER = "PrePassRenderer",
            e.NAME_DEPTHRENDERER = "DepthRenderer",
            e.NAME_DEPTHPEELINGRENDERER = "DepthPeelingRenderer",
            e.NAME_POSTPROCESSRENDERPIPELINEMANAGER = "PostProcessRenderPipelineManager",
            e.NAME_SPRITE = "Sprite",
            e.NAME_SUBSURFACE = "SubSurface",
            e.NAME_OUTLINERENDERER = "Outline",
            e.NAME_PROCEDURALTEXTURE = "ProceduralTexture",
            e.NAME_SHADOWGENERATOR = "ShadowGenerator",
            e.NAME_OCTREE = "Octree",
            e.NAME_PHYSICSENGINE = "PhysicsEngine",
            e.NAME_AUDIO = "Audio",
            e.STEP_ISREADYFORMESH_EFFECTLAYER = 0,
            e.STEP_BEFOREEVALUATEACTIVEMESH_BOUNDINGBOXRENDERER = 0,
            e.STEP_EVALUATESUBMESH_BOUNDINGBOXRENDERER = 0,
            e.STEP_PREACTIVEMESH_BOUNDINGBOXRENDERER = 0,
            e.STEP_CAMERADRAWRENDERTARGET_EFFECTLAYER = 1,
            e.STEP_BEFORECAMERADRAW_PREPASS = 0,
            e.STEP_BEFORECAMERADRAW_EFFECTLAYER = 1,
            e.STEP_BEFORECAMERADRAW_LAYER = 2,
            e.STEP_BEFORERENDERTARGETDRAW_PREPASS = 0,
            e.STEP_BEFORERENDERTARGETDRAW_LAYER = 1,
            e.STEP_BEFORERENDERINGMESH_PREPASS = 0,
            e.STEP_BEFORERENDERINGMESH_OUTLINE = 1,
            e.STEP_AFTERRENDERINGMESH_PREPASS = 0,
            e.STEP_AFTERRENDERINGMESH_OUTLINE = 1,
            e.STEP_AFTERRENDERINGGROUPDRAW_EFFECTLAYER_DRAW = 0,
            e.STEP_AFTERRENDERINGGROUPDRAW_BOUNDINGBOXRENDERER = 1,
            e.STEP_BEFORECAMERAUPDATE_SIMPLIFICATIONQUEUE = 0,
            e.STEP_BEFORECAMERAUPDATE_GAMEPAD = 1,
            e.STEP_BEFORECLEAR_PROCEDURALTEXTURE = 0,
            e.STEP_AFTERRENDERTARGETDRAW_PREPASS = 0,
            e.STEP_AFTERRENDERTARGETDRAW_LAYER = 1,
            e.STEP_AFTERCAMERADRAW_PREPASS = 0,
            e.STEP_AFTERCAMERADRAW_EFFECTLAYER = 1,
            e.STEP_AFTERCAMERADRAW_LENSFLARESYSTEM = 2,
            e.STEP_AFTERCAMERADRAW_EFFECTLAYER_DRAW = 3,
            e.STEP_AFTERCAMERADRAW_LAYER = 4,
            e.STEP_AFTERRENDER_AUDIO = 0,
            e.STEP_GATHERRENDERTARGETS_DEPTHRENDERER = 0,
            e.STEP_GATHERRENDERTARGETS_GEOMETRYBUFFERRENDERER = 1,
            e.STEP_GATHERRENDERTARGETS_SHADOWGENERATOR = 2,
            e.STEP_GATHERRENDERTARGETS_POSTPROCESSRENDERPIPELINEMANAGER = 3,
            e.STEP_GATHERACTIVECAMERARENDERTARGETS_DEPTHRENDERER = 0,
            e.STEP_BEFORECLEARSTAGE_PREPASS = 0,
            e.STEP_BEFORERENDERTARGETCLEARSTAGE_PREPASS = 0,
            e.STEP_POINTERMOVE_SPRITE = 0,
            e.STEP_POINTERDOWN_SPRITE = 0,
            e.STEP_POINTERUP_SPRITE = 0,
            e
        }(), Hi = function(e) {
            function t(t) {
                return e.apply(this, t) || this
            }
            return U(t, e),
            t.Create = function() {
                return Object.create(t.prototype)
            }
            ,
            t.prototype.registerStep = function(e, t, i) {
                var n = 0;
                for (Number.MAX_VALUE; n < this.length && !(e < this[n].index); n++)
                    ;
                this.splice(n, 0, {
                    index: e,
                    component: t,
                    action: i.bind(t)
                })
            }
            ,
            t.prototype.clear = function() {
                this.length = 0
            }
            ,
            t
        }(Array), Xi = function() {
            function e() {}
            return e.POINTERDOWN = 1,
            e.POINTERUP = 2,
            e.POINTERMOVE = 4,
            e.POINTERWHEEL = 8,
            e.POINTERPICK = 16,
            e.POINTERTAP = 32,
            e.POINTERDOUBLETAP = 64,
            e
        }(), ji = function(e, t) {
            this.type = e,
            this.event = t
        }, Yi = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i) || this;
                return o.ray = null,
                o.skipOnPointerObservable = !1,
                o.localPosition = new A(n,r),
                o
            }
            return U(t, e),
            t
        }(ji), Ki = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i) || this;
                return r.pickInfo = n,
                r
            }
            return U(t, e),
            t
        }(ji), Qi = function() {
            function e() {}
            return e.KEYDOWN = 1,
            e.KEYUP = 2,
            e
        }(), qi = function(e, t) {
            this.type = e,
            this.event = t
        }, Zi = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.type = t,
                n.event = i,
                n.skipOnKeyboardObservable = !1,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "skipOnPointerObservable", {
                get: function() {
                    return this.skipOnKeyboardObservable
                },
                set: function(e) {
                    this.skipOnKeyboardObservable = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t
        }(qi);
        !function(e) {
            e[e.Generic = 0] = "Generic",
            e[e.Keyboard = 1] = "Keyboard",
            e[e.Mouse = 2] = "Mouse",
            e[e.Touch = 3] = "Touch",
            e[e.DualShock = 4] = "DualShock",
            e[e.Xbox = 5] = "Xbox",
            e[e.Switch = 6] = "Switch",
            e[e.DualSense = 7] = "DualSense"
        }(Ci || (Ci = {})),
        function(e) {
            e[e.Horizontal = 0] = "Horizontal",
            e[e.Vertical = 1] = "Vertical",
            e[e.LeftClick = 2] = "LeftClick",
            e[e.MiddleClick = 3] = "MiddleClick",
            e[e.RightClick = 4] = "RightClick",
            e[e.BrowserBack = 5] = "BrowserBack",
            e[e.BrowserForward = 6] = "BrowserForward",
            e[e.MouseWheelX = 7] = "MouseWheelX",
            e[e.MouseWheelY = 8] = "MouseWheelY",
            e[e.MouseWheelZ = 9] = "MouseWheelZ",
            e[e.Move = 12] = "Move"
        }(Pi || (Pi = {})),
        function(e) {
            e[e.Horizontal = 0] = "Horizontal",
            e[e.Vertical = 1] = "Vertical",
            e[e.LeftClick = 2] = "LeftClick",
            e[e.MiddleClick = 3] = "MiddleClick",
            e[e.RightClick = 4] = "RightClick",
            e[e.BrowserBack = 5] = "BrowserBack",
            e[e.BrowserForward = 6] = "BrowserForward",
            e[e.MouseWheelX = 7] = "MouseWheelX",
            e[e.MouseWheelY = 8] = "MouseWheelY",
            e[e.MouseWheelZ = 9] = "MouseWheelZ",
            e[e.DeltaHorizontal = 10] = "DeltaHorizontal",
            e[e.DeltaVertical = 11] = "DeltaVertical"
        }(Mi || (Mi = {})),
        function(e) {
            e[e.Cross = 0] = "Cross",
            e[e.Circle = 1] = "Circle",
            e[e.Square = 2] = "Square",
            e[e.Triangle = 3] = "Triangle",
            e[e.L1 = 4] = "L1",
            e[e.R1 = 5] = "R1",
            e[e.L2 = 6] = "L2",
            e[e.R2 = 7] = "R2",
            e[e.Share = 8] = "Share",
            e[e.Options = 9] = "Options",
            e[e.L3 = 10] = "L3",
            e[e.R3 = 11] = "R3",
            e[e.DPadUp = 12] = "DPadUp",
            e[e.DPadDown = 13] = "DPadDown",
            e[e.DPadLeft = 14] = "DPadLeft",
            e[e.DPadRight = 15] = "DPadRight",
            e[e.Home = 16] = "Home",
            e[e.TouchPad = 17] = "TouchPad",
            e[e.LStickXAxis = 18] = "LStickXAxis",
            e[e.LStickYAxis = 19] = "LStickYAxis",
            e[e.RStickXAxis = 20] = "RStickXAxis",
            e[e.RStickYAxis = 21] = "RStickYAxis"
        }(Ii || (Ii = {})),
        function(e) {
            e[e.Cross = 0] = "Cross",
            e[e.Circle = 1] = "Circle",
            e[e.Square = 2] = "Square",
            e[e.Triangle = 3] = "Triangle",
            e[e.L1 = 4] = "L1",
            e[e.R1 = 5] = "R1",
            e[e.L2 = 6] = "L2",
            e[e.R2 = 7] = "R2",
            e[e.Create = 8] = "Create",
            e[e.Options = 9] = "Options",
            e[e.L3 = 10] = "L3",
            e[e.R3 = 11] = "R3",
            e[e.DPadUp = 12] = "DPadUp",
            e[e.DPadDown = 13] = "DPadDown",
            e[e.DPadLeft = 14] = "DPadLeft",
            e[e.DPadRight = 15] = "DPadRight",
            e[e.Home = 16] = "Home",
            e[e.TouchPad = 17] = "TouchPad",
            e[e.LStickXAxis = 18] = "LStickXAxis",
            e[e.LStickYAxis = 19] = "LStickYAxis",
            e[e.RStickXAxis = 20] = "RStickXAxis",
            e[e.RStickYAxis = 21] = "RStickYAxis"
        }(Oi || (Oi = {})),
        function(e) {
            e[e.A = 0] = "A",
            e[e.B = 1] = "B",
            e[e.X = 2] = "X",
            e[e.Y = 3] = "Y",
            e[e.LB = 4] = "LB",
            e[e.RB = 5] = "RB",
            e[e.LT = 6] = "LT",
            e[e.RT = 7] = "RT",
            e[e.Back = 8] = "Back",
            e[e.Start = 9] = "Start",
            e[e.LS = 10] = "LS",
            e[e.RS = 11] = "RS",
            e[e.DPadUp = 12] = "DPadUp",
            e[e.DPadDown = 13] = "DPadDown",
            e[e.DPadLeft = 14] = "DPadLeft",
            e[e.DPadRight = 15] = "DPadRight",
            e[e.Home = 16] = "Home",
            e[e.LStickXAxis = 17] = "LStickXAxis",
            e[e.LStickYAxis = 18] = "LStickYAxis",
            e[e.RStickXAxis = 19] = "RStickXAxis",
            e[e.RStickYAxis = 20] = "RStickYAxis"
        }(Di || (Di = {})),
        function(e) {
            e[e.B = 0] = "B",
            e[e.A = 1] = "A",
            e[e.Y = 2] = "Y",
            e[e.X = 3] = "X",
            e[e.L = 4] = "L",
            e[e.R = 5] = "R",
            e[e.ZL = 6] = "ZL",
            e[e.ZR = 7] = "ZR",
            e[e.Minus = 8] = "Minus",
            e[e.Plus = 9] = "Plus",
            e[e.LS = 10] = "LS",
            e[e.RS = 11] = "RS",
            e[e.DPadUp = 12] = "DPadUp",
            e[e.DPadDown = 13] = "DPadDown",
            e[e.DPadLeft = 14] = "DPadLeft",
            e[e.DPadRight = 15] = "DPadRight",
            e[e.Home = 16] = "Home",
            e[e.Capture = 17] = "Capture",
            e[e.LStickXAxis = 18] = "LStickXAxis",
            e[e.LStickYAxis = 19] = "LStickYAxis",
            e[e.RStickXAxis = 20] = "RStickXAxis",
            e[e.RStickYAxis = 21] = "RStickYAxis"
        }(Ni || (Ni = {})),
        function(e) {
            e[e.PointerMove = 0] = "PointerMove",
            e[e.PointerDown = 1] = "PointerDown",
            e[e.PointerUp = 2] = "PointerUp"
        }(Li || (Li = {}));
        var Ji, $i = function() {
            function e() {}
            return e.DOM_DELTA_PIXEL = 0,
            e.DOM_DELTA_LINE = 1,
            e.DOM_DELTA_PAGE = 2,
            e
        }(), en = function() {
            function e() {}
            return e.CreateDeviceEvent = function(e, t, i, n, r, o) {
                switch (e) {
                case Ci.Keyboard:
                    return this._CreateKeyboardEvent(i, n, r, o);
                case Ci.Mouse:
                    if (i === Pi.MouseWheelX || i === Pi.MouseWheelY || i === Pi.MouseWheelZ)
                        return this._CreateWheelEvent(e, t, i, n, r, o);
                case Ci.Touch:
                    return this._CreatePointerEvent(e, t, i, n, r, o);
                default:
                    throw "Unable to generate event for device ".concat(Ci[e])
                }
            }
            ,
            e._CreatePointerEvent = function(e, t, i, n, r, o) {
                var a = this._CreateMouseEvent(e, t, i, n, r, o);
                return e === Ci.Mouse ? (a.deviceType = Ci.Mouse,
                a.pointerId = 1,
                a.pointerType = "mouse") : (a.deviceType = Ci.Touch,
                a.pointerId = t,
                a.pointerType = "touch"),
                i === Pi.Move ? a.type = "pointermove" : i >= Pi.LeftClick && i <= Pi.RightClick && (a.type = 1 === n ? "pointerdown" : "pointerup",
                a.button = i - 2),
                a
            }
            ,
            e._CreateWheelEvent = function(e, t, i, n, r, o) {
                var a = this._CreateMouseEvent(e, t, i, n, r, o);
                return a.type = "wheel",
                a.deltaMode = $i.DOM_DELTA_PIXEL,
                a.deltaX = i === Pi.MouseWheelX ? n : r.pollInput(e, t, Pi.MouseWheelX),
                a.deltaY = i === Pi.MouseWheelY ? n : r.pollInput(e, t, Pi.MouseWheelY),
                a.deltaZ = i === Pi.MouseWheelZ ? n : r.pollInput(e, t, Pi.MouseWheelZ),
                a
            }
            ,
            e._CreateMouseEvent = function(e, t, i, n, r, o) {
                var a = this._CreateEvent(o)
                  , s = r.pollInput(e, t, Pi.Horizontal)
                  , l = r.pollInput(e, t, Pi.Vertical);
                return o ? (a.movementX = 0,
                a.movementY = 0,
                a.offsetX = a.movementX - o.getBoundingClientRect().x,
                a.offsetY = a.movementY - o.getBoundingClientRect().y) : (a.movementX = r.pollInput(e, t, Mi.DeltaHorizontal),
                a.movementY = r.pollInput(e, t, Mi.DeltaVertical),
                a.offsetX = 0,
                a.offsetY = 0),
                this._CheckNonCharacterKeys(a, r),
                a.clientX = s,
                a.clientY = l,
                a.x = s,
                a.y = l,
                a.deviceType = e,
                a.deviceSlot = t,
                a.inputIndex = i,
                a
            }
            ,
            e._CreateKeyboardEvent = function(e, t, i, n) {
                var r = this._CreateEvent(n);
                return this._CheckNonCharacterKeys(r, i),
                r.deviceType = Ci.Keyboard,
                r.deviceSlot = 0,
                r.inputIndex = e,
                r.type = 1 === t ? "keydown" : "keyup",
                r.key = String.fromCharCode(e),
                r.keyCode = e,
                r
            }
            ,
            e._CheckNonCharacterKeys = function(e, t) {
                var i = t.isDeviceAvailable(Ci.Keyboard)
                  , n = i && 1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_ALT_KEY)
                  , r = i && 1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_CTRL_KEY)
                  , o = i && (1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_META_KEY1) || 1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_META_KEY2) || 1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_META_KEY3))
                  , s = i && 1 === t.pollInput(Ci.Keyboard, 0, a.INPUT_SHIFT_KEY);
                e.altKey = n,
                e.ctrlKey = r,
                e.metaKey = o,
                e.shiftKey = s
            }
            ,
            e._CreateEvent = function(e) {
                var t = {
                    preventDefault: function() {}
                };
                return t.target = e,
                t
            }
            ,
            e
        }(), tn = function() {
            function e(e, t, i) {
                var n = this;
                this._nativeInput = _native.DeviceInputSystem ? new _native.DeviceInputSystem(e,t,(function(e, t, r, o) {
                    var a = r === Mi.Horizontal || r === Mi.Vertical || r === Mi.DeltaHorizontal || r === Mi.DeltaVertical ? Pi.Move : r
                      , s = en.CreateDeviceEvent(e, t, a, o, n);
                    i(e, t, s)
                }
                )) : this._createDummyNativeInput()
            }
            return e.prototype.pollInput = function(e, t, i) {
                return this._nativeInput.pollInput(e, t, i)
            }
            ,
            e.prototype.isDeviceAvailable = function(e) {
                return e === Ci.Mouse || e === Ci.Touch
            }
            ,
            e.prototype.dispose = function() {
                this._nativeInput.dispose()
            }
            ,
            e.prototype._createDummyNativeInput = function() {
                return {
                    pollInput: function() {
                        return 0
                    },
                    isDeviceAvailable: function() {
                        return !1
                    },
                    dispose: function() {}
                }
            }
            ,
            e
        }(), nn = Object.keys(Pi).length / 2, rn = function() {
            function e(e, t, i, n) {
                var r = this;
                this._inputs = [],
                this._keyboardActive = !1,
                this._pointerActive = !1,
                this._usingSafari = gi.IsSafari(),
                this._keyboardDownEvent = function(e) {}
                ,
                this._keyboardUpEvent = function(e) {}
                ,
                this._keyboardBlurEvent = function(e) {}
                ,
                this._pointerMoveEvent = function(e) {}
                ,
                this._pointerDownEvent = function(e) {}
                ,
                this._pointerUpEvent = function(e) {}
                ,
                this._pointerCancelEvent = function(e) {}
                ,
                this._pointerWheelEvent = function(e) {}
                ,
                this._pointerBlurEvent = function(e) {}
                ,
                this._eventsAttached = !1,
                this._mouseId = -1,
                this._isUsingFirefox = lt.IsNavigatorAvailable() && navigator.userAgent && -1 !== navigator.userAgent.indexOf("Firefox"),
                this._maxTouchPoints = 0,
                this._pointerInputClearObserver = null,
                this._gamepadConnectedEvent = function(e) {}
                ,
                this._gamepadDisconnectedEvent = function(e) {}
                ,
                this._eventPrefix = gi.GetPointerPrefix(e),
                this._engine = e,
                this._onDeviceConnected = t,
                this._onDeviceDisconnected = i,
                this._onInputChanged = n,
                this._enableEvents(),
                this._engine._onEngineViewChanged || (this._engine._onEngineViewChanged = function() {
                    r._enableEvents()
                }
                )
            }
            return e.prototype.pollInput = function(e, t, i) {
                var n = this._inputs[e][t];
                if (!n)
                    throw "Unable to find device ".concat(Ci[e]);
                e >= Ci.DualShock && e <= Ci.DualSense && navigator.getGamepads && this._updateDevice(e, t, i);
                var r = n[i];
                if (void 0 === r)
                    throw "Unable to find input ".concat(i, " for device ").concat(Ci[e], " in slot ").concat(t);
                return i === Pi.Move && gi.Warn("Unable to provide information for PointerInput.Move.  Try using PointerInput.Horizontal or PointerInput.Vertical for move data."),
                r
            }
            ,
            e.prototype.isDeviceAvailable = function(e) {
                return void 0 !== this._inputs[e]
            }
            ,
            e.prototype.dispose = function() {
                this._onDeviceConnected = function() {}
                ,
                this._onDeviceDisconnected = function() {}
                ,
                this._onInputChanged = function() {}
                ,
                delete this._engine._onEngineViewChanged,
                this._elementToAttachTo && this._disableEvents()
            }
            ,
            e.prototype._enableEvents = function() {
                var e = null == this ? void 0 : this._engine.getInputElement();
                if (e && (!this._eventsAttached || this._elementToAttachTo !== e)) {
                    if (this._disableEvents(),
                    this._inputs)
                        for (var t = 0, i = this._inputs; t < i.length; t++) {
                            var n = i[t];
                            if (n)
                                for (var r in n) {
                                    var o = n[+r];
                                    if (o)
                                        for (var a = 0; a < o.length; a++)
                                            o[a] = 0
                                }
                        }
                    this._elementToAttachTo = e,
                    this._elementToAttachTo.tabIndex = -1 !== this._elementToAttachTo.tabIndex ? this._elementToAttachTo.tabIndex : this._engine.canvasTabIndex,
                    this._handleKeyActions(),
                    this._handlePointerActions(),
                    this._handleGamepadActions(),
                    this._eventsAttached = !0,
                    this._checkForConnectedDevices()
                }
            }
            ,
            e.prototype._disableEvents = function() {
                this._elementToAttachTo && (this._elementToAttachTo.removeEventListener("blur", this._keyboardBlurEvent),
                this._elementToAttachTo.removeEventListener("blur", this._pointerBlurEvent),
                this._elementToAttachTo.removeEventListener("keydown", this._keyboardDownEvent),
                this._elementToAttachTo.removeEventListener("keyup", this._keyboardUpEvent),
                this._elementToAttachTo.removeEventListener(this._eventPrefix + "move", this._pointerMoveEvent),
                this._elementToAttachTo.removeEventListener(this._eventPrefix + "down", this._pointerDownEvent),
                this._elementToAttachTo.removeEventListener(this._eventPrefix + "up", this._pointerUpEvent),
                this._elementToAttachTo.removeEventListener(this._eventPrefix + "cancel", this._pointerCancelEvent),
                this._elementToAttachTo.removeEventListener(this._wheelEventName, this._pointerWheelEvent),
                window.removeEventListener("gamepadconnected", this._gamepadConnectedEvent),
                window.removeEventListener("gamepaddisconnected", this._gamepadDisconnectedEvent)),
                this._pointerInputClearObserver && this._engine.onEndFrameObservable.remove(this._pointerInputClearObserver),
                this._eventsAttached = !1
            }
            ,
            e.prototype._checkForConnectedDevices = function() {
                if (navigator.getGamepads)
                    for (var e = 0, t = navigator.getGamepads(); e < t.length; e++) {
                        var i = t[e];
                        i && this._addGamePad(i)
                    }
                matchMedia("(pointer:fine)").matches && this._addPointerDevice(Ci.Mouse, 0, 0, 0)
            }
            ,
            e.prototype._addGamePad = function(e) {
                var t = this._getGamepadDeviceType(e.id)
                  , i = e.index;
                this._gamepads = this._gamepads || new Array(e.index + 1),
                this._registerDevice(t, i, e.buttons.length + e.axes.length),
                this._gamepads[i] = t
            }
            ,
            e.prototype._addPointerDevice = function(e, t, i, n) {
                this._pointerActive || (this._pointerActive = !0),
                this._registerDevice(e, t, nn);
                var r = this._inputs[e][t];
                r[0] = i,
                r[1] = n
            }
            ,
            e.prototype._registerDevice = function(e, t, i) {
                if (void 0 === t)
                    throw "Unable to register device ".concat(Ci[e], " to undefined slot.");
                if (this._inputs[e] || (this._inputs[e] = {}),
                !this._inputs[e][t]) {
                    for (var n = new Array(i), r = 0; r < i; r++)
                        n[r] = 0;
                    this._inputs[e][t] = n,
                    this._onDeviceConnected(e, t)
                }
            }
            ,
            e.prototype._unregisterDevice = function(e, t) {
                this._inputs[e][t] && (delete this._inputs[e][t],
                this._onDeviceDisconnected(e, t))
            }
            ,
            e.prototype._handleKeyActions = function() {
                var e = this;
                this._keyboardDownEvent = function(t) {
                    e._keyboardActive || (e._keyboardActive = !0,
                    e._registerDevice(Ci.Keyboard, 0, 255));
                    var i = e._inputs[Ci.Keyboard][0];
                    if (i) {
                        i[t.keyCode] = 1;
                        var n = t;
                        n.inputIndex = t.keyCode,
                        e._onInputChanged(Ci.Keyboard, 0, n)
                    }
                }
                ,
                this._keyboardUpEvent = function(t) {
                    e._keyboardActive || (e._keyboardActive = !0,
                    e._registerDevice(Ci.Keyboard, 0, 255));
                    var i = e._inputs[Ci.Keyboard][0];
                    if (i) {
                        i[t.keyCode] = 0;
                        var n = t;
                        n.inputIndex = t.keyCode,
                        e._onInputChanged(Ci.Keyboard, 0, n)
                    }
                }
                ,
                this._keyboardBlurEvent = function() {
                    if (e._keyboardActive)
                        for (var t = e._inputs[Ci.Keyboard][0], i = 0; i < t.length; i++)
                            if (0 !== t[i]) {
                                t[i] = 0;
                                var n = en.CreateDeviceEvent(Ci.Keyboard, 0, i, 0, e, e._elementToAttachTo);
                                e._onInputChanged(Ci.Keyboard, 0, n)
                            }
                }
                ,
                this._elementToAttachTo.addEventListener("keydown", this._keyboardDownEvent),
                this._elementToAttachTo.addEventListener("keyup", this._keyboardUpEvent),
                this._elementToAttachTo.addEventListener("blur", this._keyboardBlurEvent)
            }
            ,
            e.prototype._handlePointerActions = function() {
                var e = this;
                this._maxTouchPoints = lt.IsNavigatorAvailable() && navigator.maxTouchPoints || 2,
                this._activeTouchIds || (this._activeTouchIds = new Array(this._maxTouchPoints));
                for (var t = 0; t < this._maxTouchPoints; t++)
                    this._activeTouchIds[t] = -1;
                this._pointerMoveEvent = function(t) {
                    var i = e._getPointerType(t)
                      , n = i === Ci.Mouse ? 0 : e._activeTouchIds.indexOf(t.pointerId);
                    e._inputs[i] || (e._inputs[i] = {}),
                    e._inputs[i][n] || e._addPointerDevice(i, n, t.clientX, t.clientY);
                    var r = e._inputs[i][n];
                    if (r) {
                        r[Pi.Horizontal] = t.clientX,
                        r[Pi.Vertical] = t.clientY;
                        var o = t;
                        o.inputIndex = Pi.Move,
                        e._onInputChanged(i, n, o),
                        e._usingSafari || -1 === t.button || (o.inputIndex = t.button + 2,
                        r[t.button + 2] = r[t.button + 2] ? 0 : 1,
                        e._onInputChanged(i, n, o))
                    }
                }
                ,
                this._pointerDownEvent = function(t) {
                    var i = e._getPointerType(t)
                      , n = i === Ci.Mouse ? 0 : t.pointerId;
                    if (i === Ci.Touch) {
                        var r = e._activeTouchIds.indexOf(-1);
                        if (!(r >= 0))
                            return void gi.Warn("Max number of touches exceeded.  Ignoring touches in excess of ".concat(e._maxTouchPoints));
                        n = r,
                        e._activeTouchIds[r] = t.pointerId
                    }
                    e._inputs[i] || (e._inputs[i] = {}),
                    e._inputs[i][n] ? i === Ci.Touch && e._onDeviceConnected(i, n) : e._addPointerDevice(i, n, t.clientX, t.clientY);
                    var o = e._inputs[i][n];
                    if (o) {
                        var a = o[Pi.Horizontal]
                          , s = o[Pi.Vertical];
                        if (i === Ci.Mouse) {
                            if (-1 === e._mouseId && (void 0 === t.pointerId ? e._mouseId = e._isUsingFirefox ? 0 : 1 : e._mouseId = t.pointerId),
                            !document.pointerLockElement && e._elementToAttachTo.hasPointerCapture)
                                try {
                                    e._elementToAttachTo.setPointerCapture(e._mouseId)
                                } catch (e) {}
                        } else if (t.pointerId && !document.pointerLockElement && e._elementToAttachTo.hasPointerCapture)
                            try {
                                e._elementToAttachTo.setPointerCapture(t.pointerId)
                            } catch (e) {}
                        o[Pi.Horizontal] = t.clientX,
                        o[Pi.Vertical] = t.clientY,
                        o[t.button + 2] = 1;
                        var l = t;
                        l.inputIndex = t.button + 2,
                        e._onInputChanged(i, n, l),
                        a === t.clientX && s === t.clientY || (l.inputIndex = Pi.Move,
                        e._onInputChanged(i, n, l))
                    }
                }
                ,
                this._pointerUpEvent = function(t) {
                    var i, n, r, o, a, s = e._getPointerType(t), l = s === Ci.Mouse ? 0 : e._activeTouchIds.indexOf(t.pointerId);
                    if (s === Ci.Touch) {
                        if (-1 === l)
                            return;
                        e._activeTouchIds[l] = -1
                    }
                    var c = null === (i = e._inputs[s]) || void 0 === i ? void 0 : i[l];
                    if (c && 0 !== c[t.button + 2]) {
                        var u = c[Pi.Horizontal]
                          , h = c[Pi.Vertical];
                        c[Pi.Horizontal] = t.clientX,
                        c[Pi.Vertical] = t.clientY,
                        c[t.button + 2] = 0;
                        var d = t;
                        u === t.clientX && h === t.clientY || (d.inputIndex = Pi.Move,
                        e._onInputChanged(s, l, d)),
                        d.inputIndex = t.button + 2,
                        s === Ci.Mouse && e._mouseId >= 0 && (null === (r = (n = e._elementToAttachTo).hasPointerCapture) || void 0 === r ? void 0 : r.call(n, e._mouseId)) ? e._elementToAttachTo.releasePointerCapture(e._mouseId) : t.pointerId && (null === (a = (o = e._elementToAttachTo).hasPointerCapture) || void 0 === a ? void 0 : a.call(o, t.pointerId)) && e._elementToAttachTo.releasePointerCapture(t.pointerId),
                        e._onInputChanged(s, l, d),
                        s === Ci.Touch && e._onDeviceDisconnected(s, l)
                    }
                }
                ,
                this._pointerCancelEvent = function(t) {
                    var i, n, r, o;
                    if ("mouse" === t.pointerType) {
                        var a = e._inputs[Ci.Mouse][0];
                        e._mouseId >= 0 && (null === (n = (i = e._elementToAttachTo).hasPointerCapture) || void 0 === n ? void 0 : n.call(i, e._mouseId)) && e._elementToAttachTo.releasePointerCapture(e._mouseId);
                        for (var s = Pi.LeftClick; s <= Pi.BrowserForward; s++)
                            if (1 === a[s]) {
                                a[s] = 0;
                                var l = en.CreateDeviceEvent(Ci.Mouse, 0, s, 0, e, e._elementToAttachTo);
                                e._onInputChanged(Ci.Mouse, 0, l)
                            }
                    } else {
                        var c = e._activeTouchIds.indexOf(t.pointerId);
                        (null === (o = (r = e._elementToAttachTo).hasPointerCapture) || void 0 === o ? void 0 : o.call(r, t.pointerId)) && e._elementToAttachTo.releasePointerCapture(t.pointerId),
                        e._inputs[Ci.Touch][c][Pi.LeftClick] = 0,
                        l = en.CreateDeviceEvent(Ci.Touch, c, Pi.LeftClick, 0, e, e._elementToAttachTo),
                        e._onInputChanged(Ci.Touch, c, l),
                        e._activeTouchIds[c] = -1,
                        e._onDeviceDisconnected(Ci.Touch, c)
                    }
                }
                ,
                this._wheelEventName = "onwheel"in document.createElement("div") ? "wheel" : void 0 !== document.onmousewheel ? "mousewheel" : "DOMMouseScroll";
                var i = !1
                  , n = function() {};
                try {
                    var r = {
                        passive: {
                            get: function() {
                                i = !0
                            }
                        }
                    };
                    this._elementToAttachTo.addEventListener("test", n, r),
                    this._elementToAttachTo.removeEventListener("test", n, r)
                } catch (e) {}
                this._pointerBlurEvent = function() {
                    var t, i, n, r, o;
                    if (e.isDeviceAvailable(Ci.Mouse)) {
                        var a = e._inputs[Ci.Mouse][0];
                        e._mouseId >= 0 && (null === (i = (t = e._elementToAttachTo).hasPointerCapture) || void 0 === i ? void 0 : i.call(t, e._mouseId)) && e._elementToAttachTo.releasePointerCapture(e._mouseId);
                        for (var s = Pi.LeftClick; s <= Pi.BrowserForward; s++)
                            if (1 === a[s]) {
                                a[s] = 0;
                                var l = en.CreateDeviceEvent(Ci.Mouse, 0, s, 0, e, e._elementToAttachTo);
                                e._onInputChanged(Ci.Mouse, 0, l)
                            }
                    }
                    if (e.isDeviceAvailable(Ci.Touch)) {
                        a = e._inputs[Ci.Touch];
                        for (var c = 0; c < e._activeTouchIds.length; c++) {
                            var u = e._activeTouchIds[c];
                            (null === (r = (n = e._elementToAttachTo).hasPointerCapture) || void 0 === r ? void 0 : r.call(n, u)) && e._elementToAttachTo.releasePointerCapture(u),
                            -1 !== u && 1 === (null === (o = a[c]) || void 0 === o ? void 0 : o[Pi.LeftClick]) && (a[c][Pi.LeftClick] = 0,
                            l = en.CreateDeviceEvent(Ci.Touch, c, Pi.LeftClick, 0, e, e._elementToAttachTo),
                            e._onInputChanged(Ci.Touch, c, l),
                            e._activeTouchIds[c] = -1,
                            e._onDeviceDisconnected(Ci.Touch, c))
                        }
                    }
                }
                ,
                this._pointerWheelEvent = function(t) {
                    var i = Ci.Mouse;
                    e._inputs[i] || (e._inputs[i] = []),
                    e._inputs[i][0] || (e._pointerActive = !0,
                    e._registerDevice(i, 0, nn));
                    var n = e._inputs[i][0];
                    if (n) {
                        n[Pi.MouseWheelX] = t.deltaX || 0,
                        n[Pi.MouseWheelY] = t.deltaY || t.wheelDelta || 0,
                        n[Pi.MouseWheelZ] = t.deltaZ || 0;
                        var r = t;
                        0 !== n[Pi.MouseWheelX] && (r.inputIndex = Pi.MouseWheelX,
                        e._onInputChanged(i, 0, r)),
                        0 !== n[Pi.MouseWheelY] && (r.inputIndex = Pi.MouseWheelY,
                        e._onInputChanged(i, 0, r)),
                        0 !== n[Pi.MouseWheelZ] && (r.inputIndex = Pi.MouseWheelZ,
                        e._onInputChanged(i, 0, r))
                    }
                }
                ,
                this._elementToAttachTo.addEventListener(this._eventPrefix + "move", this._pointerMoveEvent),
                this._elementToAttachTo.addEventListener(this._eventPrefix + "down", this._pointerDownEvent),
                this._elementToAttachTo.addEventListener(this._eventPrefix + "up", this._pointerUpEvent),
                this._elementToAttachTo.addEventListener(this._eventPrefix + "cancel", this._pointerCancelEvent),
                this._elementToAttachTo.addEventListener("blur", this._pointerBlurEvent),
                this._elementToAttachTo.addEventListener(this._wheelEventName, this._pointerWheelEvent, !!i && {
                    passive: !1
                }),
                this._pointerInputClearObserver = this._engine.onEndFrameObservable.add((function() {
                    if (e.isDeviceAvailable(Ci.Mouse)) {
                        var t = e._inputs[Ci.Mouse][0];
                        t[Pi.MouseWheelX] = 0,
                        t[Pi.MouseWheelY] = 0,
                        t[Pi.MouseWheelZ] = 0
                    }
                }
                ))
            }
            ,
            e.prototype._handleGamepadActions = function() {
                var e = this;
                this._gamepadConnectedEvent = function(t) {
                    e._addGamePad(t.gamepad)
                }
                ,
                this._gamepadDisconnectedEvent = function(t) {
                    if (e._gamepads) {
                        var i = e._getGamepadDeviceType(t.gamepad.id)
                          , n = t.gamepad.index;
                        e._unregisterDevice(i, n),
                        delete e._gamepads[n]
                    }
                }
                ,
                window.addEventListener("gamepadconnected", this._gamepadConnectedEvent),
                window.addEventListener("gamepaddisconnected", this._gamepadDisconnectedEvent)
            }
            ,
            e.prototype._updateDevice = function(e, t, i) {
                var n = navigator.getGamepads()[t];
                if (n && e === this._gamepads[t]) {
                    var r = this._inputs[e][t];
                    i >= n.buttons.length ? r[i] = n.axes[i - n.buttons.length].valueOf() : r[i] = n.buttons[i].value
                }
            }
            ,
            e.prototype._getGamepadDeviceType = function(e) {
                return -1 !== e.indexOf("054c") ? -1 !== e.indexOf("0ce6") ? Ci.DualSense : Ci.DualShock : -1 !== e.indexOf("Xbox One") || -1 !== e.search("Xbox 360") || -1 !== e.search("xinput") ? Ci.Xbox : -1 !== e.indexOf("057e") ? Ci.Switch : Ci.Generic
            }
            ,
            e.prototype._getPointerType = function(e) {
                var t = Ci.Mouse;
                return ("touch" === e.pointerType || "pen" === e.pointerType || e.touches) && (t = Ci.Touch),
                t
            }
            ,
            e
        }(), on = function() {
            function e(e, t, i) {
                void 0 === i && (i = 0),
                this.deviceType = t,
                this.deviceSlot = i,
                this.onInputChangedObservable = new h,
                this._deviceInputSystem = e
            }
            return e.prototype.getInput = function(e) {
                return this._deviceInputSystem.pollInput(this.deviceType, this.deviceSlot, e)
            }
            ,
            e
        }(), an = function() {
            function e(e) {
                var t = this;
                this._registeredManagers = new Array,
                this._refCount = 0,
                this.registerManager = function(e) {
                    for (var i = 0; i < t._devices.length; i++) {
                        var n = t._devices[i];
                        for (var r in n) {
                            var o = +r;
                            e._addDevice(new on(t._deviceInputSystem,i,o))
                        }
                    }
                    t._registeredManagers.push(e)
                }
                ,
                this.unregisterManager = function(e) {
                    var i = t._registeredManagers.indexOf(e);
                    i > -1 && t._registeredManagers.splice(i, 1)
                }
                ;
                var i = Object.keys(Ci).length / 2;
                this._devices = new Array(i);
                var n = function(e, i) {
                    t._devices[e] || (t._devices[e] = new Array),
                    t._devices[e][i] || (t._devices[e][i] = i);
                    for (var n = 0, r = t._registeredManagers; n < r.length; n++) {
                        var o = r[n]
                          , a = new on(t._deviceInputSystem,e,i);
                        o._addDevice(a)
                    }
                }
                  , r = function(e, i) {
                    var n;
                    (null === (n = t._devices[e]) || void 0 === n ? void 0 : n[i]) && delete t._devices[e][i];
                    for (var r = 0, o = t._registeredManagers; r < o.length; r++)
                        o[r]._removeDevice(e, i)
                }
                  , o = function(e, i, n) {
                    if (n)
                        for (var r = 0, o = t._registeredManagers; r < o.length; r++)
                            o[r]._onInputChanged(e, i, n)
                };
                "undefined" != typeof _native ? this._deviceInputSystem = new tn(n,r,o) : this._deviceInputSystem = new rn(e,n,r,o)
            }
            return e.prototype.dispose = function() {
                this._deviceInputSystem.dispose()
            }
            ,
            e
        }(), sn = function() {
            function e(e) {
                var t = this
                  , i = Object.keys(Ci).length / 2;
                this._devices = new Array(i),
                this._firstDevice = new Array(i),
                this._engine = e,
                this._engine._deviceSourceManager || (this._engine._deviceSourceManager = new an(e)),
                this._engine._deviceSourceManager._refCount++,
                this.onDeviceConnectedObservable = new h((function(e) {
                    t.getDevices().forEach((function(i) {
                        t.onDeviceConnectedObservable.notifyObserver(e, i)
                    }
                    ))
                }
                )),
                this.onDeviceDisconnectedObservable = new h,
                this._engine._deviceSourceManager.registerManager(this),
                this._onDisposeObserver = e.onDisposeObservable.add((function() {
                    t.dispose()
                }
                ))
            }
            return e.prototype.getDeviceSource = function(e, t) {
                if (void 0 === t) {
                    if (void 0 === this._firstDevice[e])
                        return null;
                    t = this._firstDevice[e]
                }
                return this._devices[e] && void 0 !== this._devices[e][t] ? this._devices[e][t] : null
            }
            ,
            e.prototype.getDeviceSources = function(e) {
                return this._devices[e].filter((function(e) {
                    return !!e
                }
                ))
            }
            ,
            e.prototype.getDevices = function() {
                for (var e = new Array, t = 0, i = this._devices; t < i.length; t++) {
                    var n = i[t];
                    e.push.apply(e, n)
                }
                return e
            }
            ,
            e.prototype.dispose = function() {
                this.onDeviceConnectedObservable.clear(),
                this.onDeviceDisconnectedObservable.clear(),
                this._engine._deviceSourceManager && (this._engine._deviceSourceManager.unregisterManager(this),
                --this._engine._deviceSourceManager._refCount < 1 && (this._engine._deviceSourceManager.dispose(),
                delete this._engine._deviceSourceManager)),
                this._engine.onDisposeObservable.remove(this._onDisposeObserver)
            }
            ,
            e.prototype._addDevice = function(e) {
                this._devices[e.deviceType] || (this._devices[e.deviceType] = new Array),
                this._devices[e.deviceType][e.deviceSlot] || (this._devices[e.deviceType][e.deviceSlot] = e,
                this._updateFirstDevices(e.deviceType)),
                this.onDeviceConnectedObservable.notifyObservers(e)
            }
            ,
            e.prototype._removeDevice = function(e, t) {
                var i, n, r = null === (i = this._devices[e]) || void 0 === i ? void 0 : i[t];
                this.onDeviceDisconnectedObservable.notifyObservers(r),
                (null === (n = this._devices[e]) || void 0 === n ? void 0 : n[t]) && delete this._devices[e][t],
                this._updateFirstDevices(e)
            }
            ,
            e.prototype._onInputChanged = function(e, t, i) {
                var n, r;
                null === (r = null === (n = this._devices[e]) || void 0 === n ? void 0 : n[t]) || void 0 === r || r.onInputChangedObservable.notifyObservers(i)
            }
            ,
            e.prototype._updateFirstDevices = function(e) {
                switch (e) {
                case Ci.Keyboard:
                case Ci.Mouse:
                    this._firstDevice[e] = 0;
                    break;
                case Ci.Touch:
                case Ci.DualSense:
                case Ci.DualShock:
                case Ci.Xbox:
                case Ci.Switch:
                case Ci.Generic:
                    delete this._firstDevice[e];
                    var t = this._devices[e];
                    if (t)
                        for (var i = 0; i < t.length; i++)
                            if (t[i]) {
                                this._firstDevice[e] = i;
                                break
                            }
                }
            }
            ,
            e
        }(), ln = function() {
            function e() {
                this._singleClick = !1,
                this._doubleClick = !1,
                this._hasSwiped = !1,
                this._ignore = !1
            }
            return Object.defineProperty(e.prototype, "singleClick", {
                get: function() {
                    return this._singleClick
                },
                set: function(e) {
                    this._singleClick = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "doubleClick", {
                get: function() {
                    return this._doubleClick
                },
                set: function(e) {
                    this._doubleClick = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasSwiped", {
                get: function() {
                    return this._hasSwiped
                },
                set: function(e) {
                    this._hasSwiped = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ignore", {
                get: function() {
                    return this._ignore
                },
                set: function(e) {
                    this._ignore = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), cn = function() {
            function e(e) {
                this._alreadyAttached = !1,
                this._meshPickProceed = !1,
                this._currentPickResult = null,
                this._previousPickResult = null,
                this._totalPointersPressed = 0,
                this._doubleClickOccured = !1,
                this._pointerX = 0,
                this._pointerY = 0,
                this._startingPointerPosition = new A(0,0),
                this._previousStartingPointerPosition = new A(0,0),
                this._startingPointerTime = 0,
                this._previousStartingPointerTime = 0,
                this._pointerCaptures = {},
                this._meshUnderPointerId = {},
                this._deviceSourceManager = null,
                this._scene = e || E.LastCreatedScene,
                this._scene
            }
            return Object.defineProperty(e.prototype, "meshUnderPointer", {
                get: function() {
                    return this._pointerOverMesh
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getMeshUnderPointerByPointerId = function(e) {
                return this._meshUnderPointerId[e] || null
            }
            ,
            Object.defineProperty(e.prototype, "unTranslatedPointer", {
                get: function() {
                    return new A(this._unTranslatedPointerX,this._unTranslatedPointerY)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "pointerX", {
                get: function() {
                    return this._pointerX
                },
                set: function(e) {
                    this._pointerX = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "pointerY", {
                get: function() {
                    return this._pointerY
                },
                set: function(e) {
                    this._pointerY = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._updatePointerPosition = function(e) {
                var t = this._scene.getEngine().getInputElementClientRect();
                t && (this._pointerX = e.clientX - t.left,
                this._pointerY = e.clientY - t.top,
                this._unTranslatedPointerX = this._pointerX,
                this._unTranslatedPointerY = this._pointerY)
            }
            ,
            e.prototype._processPointerMove = function(e, t) {
                var i = this._scene
                  , n = i.getEngine()
                  , r = n.getInputElement();
                r && (r.tabIndex = n.canvasTabIndex,
                i.doNotHandleCursors || (r.style.cursor = i.defaultCursor));
                var o = !!(e && e.hit && e.pickedMesh);
                o ? (i.setPointerOverMesh(e.pickedMesh, t.pointerId, e),
                this._pointerOverMesh && this._pointerOverMesh.actionManager && this._pointerOverMesh.actionManager.hasPointerTriggers && !i.doNotHandleCursors && r && (this._pointerOverMesh.actionManager.hoverCursor ? r.style.cursor = this._pointerOverMesh.actionManager.hoverCursor : r.style.cursor = i.hoverCursor)) : i.setPointerOverMesh(null, t.pointerId, e);
                for (var a = 0, s = i._pointerMoveStage; a < s.length; a++)
                    e = s[a].action(this._unTranslatedPointerX, this._unTranslatedPointerY, e, o, r);
                if (e) {
                    var l = "wheel" === t.type || "mousewheel" === t.type || "DOMMouseScroll" === t.type ? Xi.POINTERWHEEL : Xi.POINTERMOVE;
                    if (i.onPointerMove && i.onPointerMove(t, e, l),
                    i.onPointerObservable.hasObservers()) {
                        var c = new Ki(l,t,e);
                        this._setRayOnPointerInfo(c),
                        i.onPointerObservable.notifyObservers(c, l)
                    }
                }
            }
            ,
            e.prototype._setRayOnPointerInfo = function(e) {
                var t = this._scene;
                e.pickInfo && !e.pickInfo._pickingUnavailable && (e.pickInfo.ray || (e.pickInfo.ray = t.createPickingRay(e.event.offsetX, e.event.offsetY, P.Identity(), t.activeCamera)))
            }
            ,
            e.prototype._checkPrePointerObservable = function(e, t, i) {
                var n = this._scene
                  , r = new Yi(i,t,this._unTranslatedPointerX,this._unTranslatedPointerY);
                return e && (r.ray = e.ray,
                e.originMesh && (r.nearInteractionPickingInfo = e)),
                n.onPrePointerObservable.notifyObservers(r, i),
                !!r.skipOnPointerObservable
            }
            ,
            e.prototype.simulatePointerMove = function(e, t) {
                var i = new PointerEvent("pointermove",t);
                i.inputIndex = Pi.Move,
                this._checkPrePointerObservable(e, i, Xi.POINTERMOVE) || this._processPointerMove(e, i)
            }
            ,
            e.prototype.simulatePointerDown = function(e, t) {
                var i = new PointerEvent("pointerdown",t);
                i.inputIndex = i.button + 2,
                this._checkPrePointerObservable(e, i, Xi.POINTERDOWN) || this._processPointerDown(e, i)
            }
            ,
            e.prototype._processPointerDown = function(t, i) {
                var n = this
                  , r = this._scene;
                if (t && t.hit && t.pickedMesh) {
                    this._pickedDownMesh = t.pickedMesh;
                    var o = t.pickedMesh._getActionManagerForTrigger();
                    if (o) {
                        if (o.hasPickTriggers)
                            switch (o.processTrigger(a.ACTION_OnPickDownTrigger, w.CreateNew(t.pickedMesh, i)),
                            i.button) {
                            case 0:
                                o.processTrigger(a.ACTION_OnLeftPickTrigger, w.CreateNew(t.pickedMesh, i));
                                break;
                            case 1:
                                o.processTrigger(a.ACTION_OnCenterPickTrigger, w.CreateNew(t.pickedMesh, i));
                                break;
                            case 2:
                                o.processTrigger(a.ACTION_OnRightPickTrigger, w.CreateNew(t.pickedMesh, i))
                            }
                        o.hasSpecificTrigger(a.ACTION_OnLongPressTrigger) && window.setTimeout((function() {
                            var t = r.pick(n._unTranslatedPointerX, n._unTranslatedPointerY, (function(e) {
                                return e.isPickable && e.isVisible && e.isReady() && e.actionManager && e.actionManager.hasSpecificTrigger(a.ACTION_OnLongPressTrigger) && e === n._pickedDownMesh
                            }
                            ), !1, r.cameraToUseForPointers);
                            t && t.hit && t.pickedMesh && o && 0 !== n._totalPointersPressed && Date.now() - n._startingPointerTime > e.LongPressDelay && !n._isPointerSwiping() && (n._startingPointerTime = 0,
                            o.processTrigger(a.ACTION_OnLongPressTrigger, w.CreateNew(t.pickedMesh, i)))
                        }
                        ), e.LongPressDelay)
                    }
                } else
                    for (var s = 0, l = r._pointerDownStage; s < l.length; s++)
                        t = l[s].action(this._unTranslatedPointerX, this._unTranslatedPointerY, t, i);
                if (t) {
                    var c = Xi.POINTERDOWN;
                    if (r.onPointerDown && r.onPointerDown(i, t, c),
                    r.onPointerObservable.hasObservers()) {
                        var u = new Ki(c,i,t);
                        this._setRayOnPointerInfo(u),
                        r.onPointerObservable.notifyObservers(u, c)
                    }
                }
            }
            ,
            e.prototype._isPointerSwiping = function() {
                return Math.abs(this._startingPointerPosition.x - this._pointerX) > e.DragMovementThreshold || Math.abs(this._startingPointerPosition.y - this._pointerY) > e.DragMovementThreshold
            }
            ,
            e.prototype.simulatePointerUp = function(e, t, i) {
                var n = new PointerEvent("pointerup",t);
                n.inputIndex = Pi.Move;
                var r = new ln;
                i ? r.doubleClick = !0 : r.singleClick = !0,
                this._checkPrePointerObservable(e, n, Xi.POINTERUP) || this._processPointerUp(e, n, r)
            }
            ,
            e.prototype._processPointerUp = function(e, t, i) {
                var n = this._scene;
                if (e && e && e.pickedMesh) {
                    if (this._pickedUpMesh = e.pickedMesh,
                    this._pickedDownMesh === this._pickedUpMesh && (n.onPointerPick && n.onPointerPick(t, e),
                    i.singleClick && !i.ignore && n.onPointerObservable.hasObservers())) {
                        var r = Xi.POINTERPICK
                          , o = new Ki(r,t,e);
                        this._setRayOnPointerInfo(o),
                        n.onPointerObservable.notifyObservers(o, r)
                    }
                    var s = e.pickedMesh._getActionManagerForTrigger();
                    if (s && !i.ignore) {
                        s.processTrigger(a.ACTION_OnPickUpTrigger, w.CreateNew(e.pickedMesh, t, e)),
                        !i.hasSwiped && i.singleClick && s.processTrigger(a.ACTION_OnPickTrigger, w.CreateNew(e.pickedMesh, t, e));
                        var l = e.pickedMesh._getActionManagerForTrigger(a.ACTION_OnDoublePickTrigger);
                        i.doubleClick && l && l.processTrigger(a.ACTION_OnDoublePickTrigger, w.CreateNew(e.pickedMesh, t, e))
                    }
                } else if (!i.ignore)
                    for (var c = 0, u = n._pointerUpStage; c < u.length; c++)
                        e = u[c].action(this._unTranslatedPointerX, this._unTranslatedPointerY, e, t);
                if (this._pickedDownMesh && this._pickedDownMesh !== this._pickedUpMesh) {
                    var h = this._pickedDownMesh._getActionManagerForTrigger(a.ACTION_OnPickOutTrigger);
                    h && h.processTrigger(a.ACTION_OnPickOutTrigger, w.CreateNew(this._pickedDownMesh, t))
                }
                var d = 0;
                n.onPointerObservable.hasObservers() && (i.ignore || i.hasSwiped || (i.singleClick && n.onPointerObservable.hasSpecificMask(Xi.POINTERTAP) ? d = Xi.POINTERTAP : i.doubleClick && n.onPointerObservable.hasSpecificMask(Xi.POINTERDOUBLETAP) && (d = Xi.POINTERDOUBLETAP),
                !d) || (o = new Ki(d,t,e),
                this._setRayOnPointerInfo(o),
                n.onPointerObservable.notifyObservers(o, d)),
                i.ignore || (d = Xi.POINTERUP,
                o = new Ki(d,t,e),
                this._setRayOnPointerInfo(o),
                n.onPointerObservable.notifyObservers(o, d))),
                n.onPointerUp && !i.ignore && n.onPointerUp(t, e, d)
            }
            ,
            e.prototype.isPointerCaptured = function(e) {
                return void 0 === e && (e = 0),
                this._pointerCaptures[e]
            }
            ,
            e.prototype.attachControl = function(t, i, n, r) {
                var o = this;
                void 0 === t && (t = !0),
                void 0 === i && (i = !0),
                void 0 === n && (n = !0),
                void 0 === r && (r = null);
                var l = this._scene
                  , c = l.getEngine();
                r || (r = c.getInputElement()),
                this._alreadyAttached && this.detachControl(),
                r && (this._alreadyAttachedTo = r),
                this._deviceSourceManager = new sn(c),
                this._initActionManager = function(e) {
                    if (!o._meshPickProceed) {
                        var t = l.pick(o._unTranslatedPointerX, o._unTranslatedPointerY, l.pointerDownPredicate, !1, l.cameraToUseForPointers);
                        o._currentPickResult = t,
                        t && (e = t.hit && t.pickedMesh ? t.pickedMesh._getActionManagerForTrigger() : null),
                        o._meshPickProceed = !0
                    }
                    return e
                }
                ,
                this._delayedSimpleClick = function(t, i, n) {
                    (Date.now() - o._previousStartingPointerTime > e.DoubleClickDelay && !o._doubleClickOccured || t !== o._previousButtonPressed) && (o._doubleClickOccured = !1,
                    i.singleClick = !0,
                    i.ignore = !1,
                    n(i, o._currentPickResult))
                }
                ,
                this._initClickEvent = function(t, i, n, r) {
                    var l = new ln;
                    o._currentPickResult = null;
                    var c = null
                      , u = t.hasSpecificMask(Xi.POINTERPICK) || i.hasSpecificMask(Xi.POINTERPICK) || t.hasSpecificMask(Xi.POINTERTAP) || i.hasSpecificMask(Xi.POINTERTAP) || t.hasSpecificMask(Xi.POINTERDOUBLETAP) || i.hasSpecificMask(Xi.POINTERDOUBLETAP);
                    !u && s && (c = o._initActionManager(c, l)) && (u = c.hasPickTriggers);
                    var h = !1;
                    if (u) {
                        var d = n.button;
                        if (l.hasSwiped = o._isPointerSwiping(),
                        !l.hasSwiped) {
                            var p = !e.ExclusiveDoubleClickMode;
                            p || (p = !t.hasSpecificMask(Xi.POINTERDOUBLETAP) && !i.hasSpecificMask(Xi.POINTERDOUBLETAP)) && !s.HasSpecificTrigger(a.ACTION_OnDoublePickTrigger) && (c = o._initActionManager(c, l)) && (p = !c.hasSpecificTrigger(a.ACTION_OnDoublePickTrigger)),
                            p ? (Date.now() - o._previousStartingPointerTime > e.DoubleClickDelay || d !== o._previousButtonPressed) && (l.singleClick = !0,
                            r(l, o._currentPickResult),
                            h = !0) : (o._previousDelayedSimpleClickTimeout = o._delayedSimpleClickTimeout,
                            o._delayedSimpleClickTimeout = window.setTimeout(o._delayedSimpleClick.bind(o, d, l, r), e.DoubleClickDelay));
                            var f = t.hasSpecificMask(Xi.POINTERDOUBLETAP) || i.hasSpecificMask(Xi.POINTERDOUBLETAP);
                            !f && s.HasSpecificTrigger(a.ACTION_OnDoublePickTrigger) && (c = o._initActionManager(c, l)) && (f = c.hasSpecificTrigger(a.ACTION_OnDoublePickTrigger)),
                            f && (d === o._previousButtonPressed && Date.now() - o._previousStartingPointerTime < e.DoubleClickDelay && !o._doubleClickOccured ? (l.hasSwiped || o._isPointerSwiping() ? (o._doubleClickOccured = !1,
                            o._previousStartingPointerTime = o._startingPointerTime,
                            o._previousStartingPointerPosition.x = o._startingPointerPosition.x,
                            o._previousStartingPointerPosition.y = o._startingPointerPosition.y,
                            o._previousButtonPressed = d,
                            e.ExclusiveDoubleClickMode ? (o._previousDelayedSimpleClickTimeout && clearTimeout(o._previousDelayedSimpleClickTimeout),
                            o._previousDelayedSimpleClickTimeout = o._delayedSimpleClickTimeout,
                            r(l, o._previousPickResult)) : r(l, o._currentPickResult)) : (o._previousStartingPointerTime = 0,
                            o._doubleClickOccured = !0,
                            l.doubleClick = !0,
                            l.ignore = !1,
                            e.ExclusiveDoubleClickMode && o._previousDelayedSimpleClickTimeout && clearTimeout(o._previousDelayedSimpleClickTimeout),
                            o._previousDelayedSimpleClickTimeout = o._delayedSimpleClickTimeout,
                            r(l, o._currentPickResult)),
                            h = !0) : (o._doubleClickOccured = !1,
                            o._previousStartingPointerTime = o._startingPointerTime,
                            o._previousStartingPointerPosition.x = o._startingPointerPosition.x,
                            o._previousStartingPointerPosition.y = o._startingPointerPosition.y,
                            o._previousButtonPressed = d))
                        }
                    }
                    h || r(l, o._currentPickResult)
                }
                ,
                this._onPointerMove = function(e) {
                    if (void 0 === e.pointerId && (e.pointerId = 0),
                    o._updatePointerPosition(e),
                    !o._checkPrePointerObservable(null, e, "wheel" === e.type || "mousewheel" === e.type || "DOMMouseScroll" === e.type ? Xi.POINTERWHEEL : Xi.POINTERMOVE) && (l.cameraToUseForPointers || l.activeCamera))
                        if (l.skipPointerMovePicking)
                            o._processPointerMove(new Ui, e);
                        else {
                            l.pointerMovePredicate || (l.pointerMovePredicate = function(e) {
                                return e.isPickable && e.isVisible && e.isReady() && e.isEnabled() && (e.enablePointerMoveEvents || l.constantlyUpdateMeshUnderPointer || null !== e._getActionManagerForTrigger()) && (!l.cameraToUseForPointers || 0 != (l.cameraToUseForPointers.layerMask & e.layerMask))
                            }
                            );
                            var t = l.pick(o._unTranslatedPointerX, o._unTranslatedPointerY, l.pointerMovePredicate, !1, l.cameraToUseForPointers, l.pointerMoveTrianglePredicate);
                            o._processPointerMove(t, e)
                        }
                }
                ,
                this._onPointerDown = function(e) {
                    if (o._totalPointersPressed++,
                    o._pickedDownMesh = null,
                    o._meshPickProceed = !1,
                    void 0 === e.pointerId && (e.pointerId = 0),
                    o._updatePointerPosition(e),
                    l.preventDefaultOnPointerDown && r && (e.preventDefault(),
                    r.focus()),
                    o._startingPointerPosition.x = o._pointerX,
                    o._startingPointerPosition.y = o._pointerY,
                    o._startingPointerTime = Date.now(),
                    !o._checkPrePointerObservable(null, e, Xi.POINTERDOWN) && (l.cameraToUseForPointers || l.activeCamera)) {
                        o._pointerCaptures[e.pointerId] = !0,
                        l.pointerDownPredicate || (l.pointerDownPredicate = function(e) {
                            return e.isPickable && e.isVisible && e.isReady() && e.isEnabled() && (!l.cameraToUseForPointers || 0 != (l.cameraToUseForPointers.layerMask & e.layerMask))
                        }
                        ),
                        o._pickedDownMesh = null;
                        var t = l.pick(o._unTranslatedPointerX, o._unTranslatedPointerY, l.pointerDownPredicate, !1, l.cameraToUseForPointers);
                        o._processPointerDown(t, e)
                    }
                }
                ,
                this._onPointerUp = function(e) {
                    0 !== o._totalPointersPressed && (o._totalPointersPressed--,
                    o._pickedUpMesh = null,
                    o._meshPickProceed = !1,
                    void 0 === e.pointerId && (e.pointerId = 0),
                    o._updatePointerPosition(e),
                    l.preventDefaultOnPointerUp && r && (e.preventDefault(),
                    r.focus()),
                    o._initClickEvent(l.onPrePointerObservable, l.onPointerObservable, e, (function(t, i) {
                        if (l.onPrePointerObservable.hasObservers() && !t.ignore) {
                            if (!t.hasSwiped) {
                                if (t.singleClick && l.onPrePointerObservable.hasSpecificMask(Xi.POINTERTAP) && o._checkPrePointerObservable(null, e, Xi.POINTERTAP))
                                    return;
                                if (t.doubleClick && l.onPrePointerObservable.hasSpecificMask(Xi.POINTERDOUBLETAP) && o._checkPrePointerObservable(null, e, Xi.POINTERDOUBLETAP))
                                    return
                            }
                            if (o._checkPrePointerObservable(null, e, Xi.POINTERUP))
                                return
                        }
                        !o._pointerCaptures[e.pointerId] && e.buttons > 0 || (o._pointerCaptures[e.pointerId] = !1,
                        (l.cameraToUseForPointers || l.activeCamera) && (l.pointerUpPredicate || (l.pointerUpPredicate = function(e) {
                            return e.isPickable && e.isVisible && e.isReady() && e.isEnabled() && (!l.cameraToUseForPointers || 0 != (l.cameraToUseForPointers.layerMask & e.layerMask))
                        }
                        ),
                        !o._meshPickProceed && (s && s.HasTriggers || l.onPointerObservable.hasObservers()) && o._initActionManager(null, t),
                        i || (i = o._currentPickResult),
                        o._processPointerUp(i, e, t),
                        o._previousPickResult = o._currentPickResult))
                    }
                    )))
                }
                ,
                this._onKeyDown = function(e) {
                    var t = Qi.KEYDOWN;
                    if (l.onPreKeyboardObservable.hasObservers()) {
                        var i = new Zi(t,e);
                        if (l.onPreKeyboardObservable.notifyObservers(i, t),
                        i.skipOnKeyboardObservable)
                            return
                    }
                    l.onKeyboardObservable.hasObservers() && (i = new qi(t,e),
                    l.onKeyboardObservable.notifyObservers(i, t)),
                    l.actionManager && l.actionManager.processTrigger(a.ACTION_OnKeyDownTrigger, w.CreateNewFromScene(l, e))
                }
                ,
                this._onKeyUp = function(e) {
                    var t = Qi.KEYUP;
                    if (l.onPreKeyboardObservable.hasObservers()) {
                        var i = new Zi(t,e);
                        if (l.onPreKeyboardObservable.notifyObservers(i, t),
                        i.skipOnKeyboardObservable)
                            return
                    }
                    l.onKeyboardObservable.hasObservers() && (i = new qi(t,e),
                    l.onKeyboardObservable.notifyObservers(i, t)),
                    l.actionManager && l.actionManager.processTrigger(a.ACTION_OnKeyUpTrigger, w.CreateNewFromScene(l, e))
                }
                ,
                this._deviceSourceManager.onDeviceConnectedObservable.add((function(e) {
                    e.deviceType === Ci.Mouse ? e.onInputChangedObservable.add((function(r) {
                        if (r.inputIndex === Pi.LeftClick || r.inputIndex === Pi.MiddleClick || r.inputIndex === Pi.RightClick) {
                            var a = r;
                            i && 1 === e.getInput(a.inputIndex) ? o._onPointerDown(a) : t && 0 === e.getInput(a.inputIndex) && o._onPointerUp(a)
                        } else
                            n && (r.inputIndex === Pi.Move ? o._onPointerMove(r) : r.inputIndex !== Pi.MouseWheelX && r.inputIndex !== Pi.MouseWheelY && r.inputIndex !== Pi.MouseWheelZ || o._onPointerMove(r))
                    }
                    )) : e.deviceType === Ci.Touch ? e.onInputChangedObservable.add((function(r) {
                        var a = r;
                        r.inputIndex === Pi.LeftClick && (i && 1 === e.getInput(a.inputIndex) ? o._onPointerDown(r) : t && 0 === e.getInput(a.inputIndex) && o._onPointerUp(r)),
                        n && r.inputIndex === Pi.Move && o._onPointerMove(r)
                    }
                    )) : e.deviceType === Ci.Keyboard && e.onInputChangedObservable.add((function(e) {
                        var t = e;
                        "keydown" === t.type ? o._onKeyDown(t) : "keyup" === t.type && o._onKeyUp(t)
                    }
                    ))
                }
                )),
                this._alreadyAttached = !0
            }
            ,
            e.prototype.detachControl = function() {
                this._alreadyAttached && (this._deviceSourceManager.dispose(),
                this._deviceSourceManager = null,
                this._alreadyAttachedTo && !this._scene.doNotHandleCursors && (this._alreadyAttachedTo.style.cursor = this._scene.defaultCursor),
                this._alreadyAttached = !1,
                this._alreadyAttachedTo = null)
            }
            ,
            e.prototype.setPointerOverMesh = function(e, t, i) {
                if (void 0 === t && (t = 0),
                this._meshUnderPointerId[t] !== e) {
                    var n, r = this._meshUnderPointerId[t];
                    r && (n = r._getActionManagerForTrigger(a.ACTION_OnPointerOutTrigger)) && n.processTrigger(a.ACTION_OnPointerOutTrigger, w.CreateNew(r, void 0, {
                        pointerId: t
                    })),
                    e ? (this._meshUnderPointerId[t] = e,
                    this._pointerOverMesh = e,
                    (n = e._getActionManagerForTrigger(a.ACTION_OnPointerOverTrigger)) && n.processTrigger(a.ACTION_OnPointerOverTrigger, w.CreateNew(e, void 0, {
                        pointerId: t,
                        pickResult: i
                    }))) : (delete this._meshUnderPointerId[t],
                    this._pointerOverMesh = null)
                }
            }
            ,
            e.prototype.getPointerOverMesh = function() {
                return this._pointerOverMesh
            }
            ,
            e.prototype._invalidateMesh = function(e) {
                for (var t in this._pointerOverMesh === e && (this._pointerOverMesh = null),
                this._pickedDownMesh === e && (this._pickedDownMesh = null),
                this._pickedUpMesh === e && (this._pickedUpMesh = null),
                this._meshUnderPointerId)
                    this._meshUnderPointerId[t] === e && delete this._meshUnderPointerId[t]
            }
            ,
            e.DragMovementThreshold = 10,
            e.LongPressDelay = 500,
            e.DoubleClickDelay = 300,
            e.ExclusiveDoubleClickMode = !1,
            e
        }(), un = function() {
            function e() {
                this._startMonitoringTime = 0,
                this._min = 0,
                this._max = 0,
                this._average = 0,
                this._lastSecAverage = 0,
                this._current = 0,
                this._totalValueCount = 0,
                this._totalAccumulated = 0,
                this._lastSecAccumulated = 0,
                this._lastSecTime = 0,
                this._lastSecValueCount = 0
            }
            return Object.defineProperty(e.prototype, "min", {
                get: function() {
                    return this._min
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "max", {
                get: function() {
                    return this._max
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "average", {
                get: function() {
                    return this._average
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "lastSecAverage", {
                get: function() {
                    return this._lastSecAverage
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "current", {
                get: function() {
                    return this._current
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "total", {
                get: function() {
                    return this._totalAccumulated
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "count", {
                get: function() {
                    return this._totalValueCount
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.fetchNewFrame = function() {
                this._totalValueCount++,
                this._current = 0,
                this._lastSecValueCount++
            }
            ,
            e.prototype.addCount = function(t, i) {
                e.Enabled && (this._current += t,
                i && this._fetchResult())
            }
            ,
            e.prototype.beginMonitoring = function() {
                e.Enabled && (this._startMonitoringTime = ct.Now)
            }
            ,
            e.prototype.endMonitoring = function(t) {
                if (void 0 === t && (t = !0),
                e.Enabled) {
                    t && this.fetchNewFrame();
                    var i = ct.Now;
                    this._current = i - this._startMonitoringTime,
                    t && this._fetchResult()
                }
            }
            ,
            e.prototype._fetchResult = function() {
                this._totalAccumulated += this._current,
                this._lastSecAccumulated += this._current,
                this._min = Math.min(this._min, this._current),
                this._max = Math.max(this._max, this._current),
                this._average = this._totalAccumulated / this._totalValueCount;
                var e = ct.Now;
                e - this._lastSecTime > 1e3 && (this._lastSecAverage = this._lastSecAccumulated / this._lastSecValueCount,
                this._lastSecTime = e,
                this._lastSecAccumulated = 0,
                this._lastSecValueCount = 0)
            }
            ,
            e.Enabled = !0,
            e
        }(), hn = function() {
            function e(e, t, i, n) {
                this.normal = new x(e,t,i),
                this.d = n
            }
            return e.prototype.asArray = function() {
                return [this.normal.x, this.normal.y, this.normal.z, this.d]
            }
            ,
            e.prototype.clone = function() {
                return new e(this.normal.x,this.normal.y,this.normal.z,this.d)
            }
            ,
            e.prototype.getClassName = function() {
                return "Plane"
            }
            ,
            e.prototype.getHashCode = function() {
                var e = this.normal.getHashCode();
                return 397 * e ^ (0 | this.d)
            }
            ,
            e.prototype.normalize = function() {
                var e = Math.sqrt(this.normal.x * this.normal.x + this.normal.y * this.normal.y + this.normal.z * this.normal.z)
                  , t = 0;
                return 0 !== e && (t = 1 / e),
                this.normal.x *= t,
                this.normal.y *= t,
                this.normal.z *= t,
                this.d *= t,
                this
            }
            ,
            e.prototype.transform = function(t) {
                var i = e._TmpMatrix;
                t.invertToRef(i);
                var n = i.m
                  , r = this.normal.x
                  , o = this.normal.y
                  , a = this.normal.z
                  , s = this.d;
                return new e(r * n[0] + o * n[1] + a * n[2] + s * n[3],r * n[4] + o * n[5] + a * n[6] + s * n[7],r * n[8] + o * n[9] + a * n[10] + s * n[11],r * n[12] + o * n[13] + a * n[14] + s * n[15])
            }
            ,
            e.prototype.dotCoordinate = function(e) {
                return this.normal.x * e.x + this.normal.y * e.y + this.normal.z * e.z + this.d
            }
            ,
            e.prototype.copyFromPoints = function(e, t, i) {
                var n, r = t.x - e.x, o = t.y - e.y, a = t.z - e.z, s = i.x - e.x, l = i.y - e.y, c = i.z - e.z, u = o * c - a * l, h = a * s - r * c, d = r * l - o * s, p = Math.sqrt(u * u + h * h + d * d);
                return n = 0 !== p ? 1 / p : 0,
                this.normal.x = u * n,
                this.normal.y = h * n,
                this.normal.z = d * n,
                this.d = -(this.normal.x * e.x + this.normal.y * e.y + this.normal.z * e.z),
                this
            }
            ,
            e.prototype.isFrontFacingTo = function(e, t) {
                return x.Dot(this.normal, e) <= t
            }
            ,
            e.prototype.signedDistanceTo = function(e) {
                return x.Dot(e, this.normal) + this.d
            }
            ,
            e.FromArray = function(t) {
                return new e(t[0],t[1],t[2],t[3])
            }
            ,
            e.FromPoints = function(t, i, n) {
                var r = new e(0,0,0,0);
                return r.copyFromPoints(t, i, n),
                r
            }
            ,
            e.FromPositionAndNormal = function(t, i) {
                var n = new e(0,0,0,0);
                return i.normalize(),
                n.normal = i,
                n.d = -(i.x * t.x + i.y * t.y + i.z * t.z),
                n
            }
            ,
            e.SignedDistanceToPlaneFromPositionAndNormal = function(e, t, i) {
                var n = -(t.x * e.x + t.y * e.y + t.z * e.z);
                return x.Dot(i, t) + n
            }
            ,
            e._TmpMatrix = P.Identity(),
            e
        }(), dn = function() {
            function e() {}
            return e.GetPlanes = function(t) {
                for (var i = [], n = 0; n < 6; n++)
                    i.push(new hn(0,0,0,0));
                return e.GetPlanesToRef(t, i),
                i
            }
            ,
            e.GetNearPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] + i[2],
                t.normal.y = i[7] + i[6],
                t.normal.z = i[11] + i[10],
                t.d = i[15] + i[14],
                t.normalize()
            }
            ,
            e.GetFarPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] - i[2],
                t.normal.y = i[7] - i[6],
                t.normal.z = i[11] - i[10],
                t.d = i[15] - i[14],
                t.normalize()
            }
            ,
            e.GetLeftPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] + i[0],
                t.normal.y = i[7] + i[4],
                t.normal.z = i[11] + i[8],
                t.d = i[15] + i[12],
                t.normalize()
            }
            ,
            e.GetRightPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] - i[0],
                t.normal.y = i[7] - i[4],
                t.normal.z = i[11] - i[8],
                t.d = i[15] - i[12],
                t.normalize()
            }
            ,
            e.GetTopPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] - i[1],
                t.normal.y = i[7] - i[5],
                t.normal.z = i[11] - i[9],
                t.d = i[15] - i[13],
                t.normalize()
            }
            ,
            e.GetBottomPlaneToRef = function(e, t) {
                var i = e.m;
                t.normal.x = i[3] + i[1],
                t.normal.y = i[7] + i[5],
                t.normal.z = i[11] + i[9],
                t.d = i[15] + i[13],
                t.normalize()
            }
            ,
            e.GetPlanesToRef = function(t, i) {
                e.GetNearPlaneToRef(t, i[0]),
                e.GetFarPlaneToRef(t, i[1]),
                e.GetLeftPlaneToRef(t, i[2]),
                e.GetRightPlaneToRef(t, i[3]),
                e.GetTopPlaneToRef(t, i[4]),
                e.GetBottomPlaneToRef(t, i[5])
            }
            ,
            e
        }(), pn = function() {
            function e() {}
            return Object.defineProperty(e, "UniqueId", {
                get: function() {
                    var e = this._UniqueIdCounter;
                    return this._UniqueIdCounter++,
                    e
                },
                enumerable: !1,
                configurable: !0
            }),
            e._UniqueIdCounter = 1,
            e
        }(), fn = function() {
            function e() {}
            return e.CompareLightsPriority = function(e, t) {
                return e.shadowEnabled !== t.shadowEnabled ? (t.shadowEnabled ? 1 : 0) - (e.shadowEnabled ? 1 : 0) : t.renderPriority - e.renderPriority
            }
            ,
            e.FALLOFF_DEFAULT = 0,
            e.FALLOFF_PHYSICAL = 1,
            e.FALLOFF_GLTF = 2,
            e.FALLOFF_STANDARD = 3,
            e.LIGHTMAP_DEFAULT = 0,
            e.LIGHTMAP_SPECULAR = 1,
            e.LIGHTMAP_SHADOWSONLY = 2,
            e.INTENSITYMODE_AUTOMATIC = 0,
            e.INTENSITYMODE_LUMINOUSPOWER = 1,
            e.INTENSITYMODE_LUMINOUSINTENSITY = 2,
            e.INTENSITYMODE_ILLUMINANCE = 3,
            e.INTENSITYMODE_LUMINANCE = 4,
            e.LIGHTTYPEID_POINTLIGHT = 0,
            e.LIGHTTYPEID_DIRECTIONALLIGHT = 1,
            e.LIGHTTYPEID_SPOTLIGHT = 2,
            e.LIGHTTYPEID_HEMISPHERICLIGHT = 3,
            e
        }(), _n = function() {
            function e(t, i) {
                e.IsAvailable && (this._observer = new window.ComputePressureObserver(t,i))
            }
            return Object.defineProperty(e, "IsAvailable", {
                get: function() {
                    return nt() && "ComputePressureObserver"in window
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.observe = function() {
                var e, t;
                (null === (e = this._observer) || void 0 === e ? void 0 : e.observe) && (null === (t = this._observer) || void 0 === t || t.observe())
            }
            ,
            e.prototype.unobserve = function() {
                var e, t;
                (null === (e = this._observer) || void 0 === e ? void 0 : e.unobserve) && (null === (t = this._observer) || void 0 === t || t.unobserve())
            }
            ,
            e
        }(), mn = function(e) {
            function t(i, n) {
                var r = e.call(this) || this;
                r._inputManager = new cn(r),
                r.cameraToUseForPointers = null,
                r._isScene = !0,
                r._blockEntityCollection = !1,
                r.autoClear = !0,
                r.autoClearDepthAndStencil = !0,
                r.clearColor = new N(.2,.2,.3,1),
                r.ambientColor = new D(0,0,0),
                r.environmentIntensity = 1,
                r._forceWireframe = !1,
                r._skipFrustumClipping = !1,
                r._forcePointsCloud = !1,
                r.animationsEnabled = !0,
                r._animationPropertiesOverride = null,
                r.useConstantAnimationDeltaTime = !1,
                r.constantlyUpdateMeshUnderPointer = !1,
                r.hoverCursor = "pointer",
                r.defaultCursor = "",
                r.doNotHandleCursors = !1,
                r.preventDefaultOnPointerDown = !0,
                r.preventDefaultOnPointerUp = !0,
                r.metadata = null,
                r.reservedDataStore = null,
                r.disableOfflineSupportExceptionRules = new Array,
                r.onDisposeObservable = new h,
                r._onDisposeObserver = null,
                r.onBeforeRenderObservable = new h,
                r._onBeforeRenderObserver = null,
                r.onAfterRenderObservable = new h,

                r.onBeforeRunRegisterBeforeRenderObservable = new h,
                r.onAfterRunRegisterBeforeRenderObservable = new h,
                r.onBeforeRunRegisterAfterRenderObservable = new h,
                r.onAfterRunRegisterAfterRenderObservable = new h,
                r.onBeforeRTT1Observable = new h,
                r.onAfterRTT1Observable = new h,

                r.onAfterRenderCameraObservable = new h,
                r._onAfterRenderObserver = null,
                r.onBeforeAnimationsObservable = new h,
                r.onAfterAnimationsObservable = new h,
                r.onBeforeDrawPhaseObservable = new h,
                r.onAfterDrawPhaseObservable = new h,
                r.onReadyObservable = new h,
                r.onBeforeCameraRenderObservable = new h,
                r._onBeforeCameraRenderObserver = null,
                r.onAfterCameraRenderObservable = new h,
                r._onAfterCameraRenderObserver = null,
                r.onBeforeActiveMeshesEvaluationObservable = new h,
                r.onAfterActiveMeshesEvaluationObservable = new h,
                r.onBeforeParticlesRenderingObservable = new h,
                r.onAfterParticlesRenderingObservable = new h,
                r.onDataLoadedObservable = new h,
                r.onNewCameraAddedObservable = new h,
                r.onCameraRemovedObservable = new h,
                r.onNewLightAddedObservable = new h,
                r.onLightRemovedObservable = new h,
                r.onNewGeometryAddedObservable = new h,
                r.onGeometryRemovedObservable = new h,
                r.onNewTransformNodeAddedObservable = new h,
                r.onTransformNodeRemovedObservable = new h,
                r.onNewMeshAddedObservable = new h,
                r.onMeshRemovedObservable = new h,
                r.onNewSkeletonAddedObservable = new h,
                r.onSkeletonRemovedObservable = new h,
                r.onNewMaterialAddedObservable = new h,
                r.onNewMultiMaterialAddedObservable = new h,
                r.onMaterialRemovedObservable = new h,
                r.onMultiMaterialRemovedObservable = new h,
                r.onNewTextureAddedObservable = new h,
                r.onTextureRemovedObservable = new h,
                r.onBeforeRenderTargetsRenderObservable = new h,
                r.onAfterRenderTargetsRenderObservable = new h,
                r.onBeforeStepObservable = new h,
                r.onAfterStepObservable = new h,
                r.onActiveCameraChanged = new h,
                r.onBeforeRenderingGroupObservable = new h,
                r.onAfterRenderingGroupObservable = new h,
                r.onMeshImportedObservable = new h,
                r.onAnimationFileImportedObservable = new h,
                r._registeredForLateAnimationBindings = new Ti(256),
                r.skipPointerMovePicking = !1,
                r.onPrePointerObservable = new h,
                r.onPointerObservable = new h,
                r.onPreKeyboardObservable = new h,
                r.onKeyboardObservable = new h,
                r._useRightHandedSystem = !1,
                r._timeAccumulator = 0,
                r._currentStepId = 0,
                r._currentInternalStep = 0,
                r._fogEnabled = !0,
                r._fogMode = t.FOGMODE_NONE,
                r.fogColor = new D(.2,.2,.3),
                r.fogDensity = .1,
                r.fogStart = 0,
                r.fogEnd = 1e3,
                r.needsPreviousWorldMatrices = !1,
                r._shadowsEnabled = !0,
                r._lightsEnabled = !0,
                r.activeCameras = new Array,
                r._texturesEnabled = !0,
                r.physicsEnabled = !0,
                r.particlesEnabled = !0,
                r.spritesEnabled = !0,
                r._skeletonsEnabled = !0,
                r.lensFlaresEnabled = !0,
                r.collisionsEnabled = !0,
                r.gravity = new x(0,-9.807,0),
                r.postProcessesEnabled = !0,
                r.renderTargetsEnabled = !0,
                r.dumpNextRenderTargets = !1,
                r.customRenderTargets = new Array,
                r.importedMeshesFiles = new Array,
                r.probesEnabled = !0,
                r._meshesForIntersections = new Ti(256),
                r.proceduralTexturesEnabled = !0,
                r._totalVertices = new un,
                r._activeIndices = new un,
                r._activeParticles = new un,
                r._activeBones = new un,
                r._animationTime = 0,
                r.animationTimeScale = 1,
                r._renderId = 0,
                r._frameId = 0,
                r._executeWhenReadyTimeoutId = null,
                r._intermediateRendering = !1,
                r._defaultFrameBufferCleared = !1,
                r._viewUpdateFlag = -1,
                r._projectionUpdateFlag = -1,
                r._toBeDisposed = new Array(256),
                r._activeRequests = new Array,
                r._pendingData = new Array,
                r._isDisposed = !1,
                r.dispatchAllSubMeshesOfActiveMeshes = !1,
                r._activeMeshes = new bi(256),
                r._processedMaterials = new bi(256),
                r._renderTargets = new Ti(256),
                r._materialsRenderTargets = new Ti(256),
                r._activeParticleSystems = new bi(256),
                r._activeSkeletons = new Ti(32),
                r._softwareSkinnedMeshes = new Ti(32),
                r._activeAnimatables = new Array,
                r._transformMatrix = P.Zero(),
                r.requireLightSorting = !1,
                r._components = [],
                r._serializableComponents = [],
                r._transientComponents = [],
                r._beforeCameraUpdateStage = Hi.Create(),
                r._beforeClearStage = Hi.Create(),
                r._beforeRenderTargetClearStage = Hi.Create(),
                r._gatherRenderTargetsStage = Hi.Create(),
                r._gatherActiveCameraRenderTargetsStage = Hi.Create(),
                r._isReadyForMeshStage = Hi.Create(),
                r._beforeEvaluateActiveMeshStage = Hi.Create(),
                r._evaluateSubMeshStage = Hi.Create(),
                r._preActiveMeshStage = Hi.Create(),
                r._cameraDrawRenderTargetStage = Hi.Create(),
                r._beforeCameraDrawStage = Hi.Create(),
                r._beforeRenderTargetDrawStage = Hi.Create(),
                r._beforeRenderingGroupDrawStage = Hi.Create(),
                r._beforeRenderingMeshStage = Hi.Create(),
                r._afterRenderingMeshStage = Hi.Create(),
                r._afterRenderingGroupDrawStage = Hi.Create(),
                r._afterCameraDrawStage = Hi.Create(),
                r._afterRenderTargetDrawStage = Hi.Create(),
                r._afterRenderStage = Hi.Create(),
                r._pointerMoveStage = Hi.Create(),
                r._pointerDownStage = Hi.Create(),
                r._pointerUpStage = Hi.Create(),
                r._geometriesByUniqueId = null,
                r._defaultMeshCandidates = {
                    data: [],
                    length: 0
                },
                r._defaultSubMeshCandidates = {
                    data: [],
                    length: 0
                },
                r._preventFreeActiveMeshesAndRenderingGroups = !1,
                r._activeMeshesFrozen = !1,
                r._skipEvaluateActiveMeshesCompletely = !1,
                r._allowPostProcessClearColor = !0,
                r.getDeterministicFrameTime = function() {
                    return r._engine.getTimeStep()
                }
                ,
                r._blockMaterialDirtyMechanism = !1,
                r._perfCollector = null,
                r.onComputePressureChanged = new h;
                var o = V({
                    useGeometryUniqueIdsMap: !0,
                    useMaterialMeshMap: !0,
                    useClonedMeshMap: !0,
                    virtual: !1
                }, n);
                return r._engine = i || E.LastCreatedEngine,
                o.virtual ? r._engine._virtualScenes.push(r) : (E._LastCreatedScene = r,
                r._engine.scenes.push(r)),
                r._uid = null,
                r._renderingManager = new zi(r),
                Vi && (r.postProcessManager = new Vi(r)),
                nt() && r.attachControl(),
                r._createUbo(),
                Ri && (r._imageProcessingConfiguration = new Ri),
                r.setDefaultCandidateProviders(),
                o.useGeometryUniqueIdsMap && (r._geometriesByUniqueId = {}),
                r.useMaterialMeshMap = o.useMaterialMeshMap,
                r.useClonedMeshMap = o.useClonedMeshMap,
                n && n.virtual || r._engine.onNewSceneAddedObservable.notifyObservers(r),
                _n.IsAvailable && (r._computePressureObserver = new _n((function(e) {
                    r.onComputePressureChanged.notifyObservers(e)
                }
                ),{
                    cpuUtilizationThresholds: [.25, .5, .75, .9],
                    cpuSpeedThresholds: [.5]
                }),
                r._computePressureObserver.observe()),
                r
            }
            return U(t, e),
            t.DefaultMaterialFactory = function(e) {
                throw be("StandardMaterial")
            }
            ,
            t.CollisionCoordinatorFactory = function() {
                throw be("DefaultCollisionCoordinator")
            }
            ,
            Object.defineProperty(t.prototype, "environmentTexture", {
                get: function() {
                    return this._environmentTexture
                },
                set: function(e) {
                    this._environmentTexture !== e && (this._environmentTexture = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "forceWireframe", {
                get: function() {
                    return this._forceWireframe
                },
                set: function(e) {
                    this._forceWireframe !== e && (this._forceWireframe = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "skipFrustumClipping", {
                get: function() {
                    return this._skipFrustumClipping
                },
                set: function(e) {
                    this._skipFrustumClipping !== e && (this._skipFrustumClipping = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "forcePointsCloud", {
                get: function() {
                    return this._forcePointsCloud
                },
                set: function(e) {
                    this._forcePointsCloud !== e && (this._forcePointsCloud = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "animationPropertiesOverride", {
                get: function() {
                    return this._animationPropertiesOverride
                },
                set: function(e) {
                    this._animationPropertiesOverride = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "beforeRender", {
                set: function(e) {
                    this._onBeforeRenderObserver && this.onBeforeRenderObservable.remove(this._onBeforeRenderObserver),
                    e && (this._onBeforeRenderObserver = this.onBeforeRenderObservable.add(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "afterRender", {
                set: function(e) {
                    this._onAfterRenderObserver && this.onAfterRenderObservable.remove(this._onAfterRenderObserver),
                    e && (this._onAfterRenderObserver = this.onAfterRenderObservable.add(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "beforeCameraRender", {
                set: function(e) {
                    this._onBeforeCameraRenderObserver && this.onBeforeCameraRenderObservable.remove(this._onBeforeCameraRenderObserver),
                    this._onBeforeCameraRenderObserver = this.onBeforeCameraRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "afterCameraRender", {
                set: function(e) {
                    this._onAfterCameraRenderObserver && this.onAfterCameraRenderObservable.remove(this._onAfterCameraRenderObserver),
                    this._onAfterCameraRenderObserver = this.onAfterCameraRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "unTranslatedPointer", {
                get: function() {
                    return this._inputManager.unTranslatedPointer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "DragMovementThreshold", {
                get: function() {
                    return cn.DragMovementThreshold
                },
                set: function(e) {
                    cn.DragMovementThreshold = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "LongPressDelay", {
                get: function() {
                    return cn.LongPressDelay
                },
                set: function(e) {
                    cn.LongPressDelay = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "DoubleClickDelay", {
                get: function() {
                    return cn.DoubleClickDelay
                },
                set: function(e) {
                    cn.DoubleClickDelay = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "ExclusiveDoubleClickMode", {
                get: function() {
                    return cn.ExclusiveDoubleClickMode
                },
                set: function(e) {
                    cn.ExclusiveDoubleClickMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.bindEyePosition = function(e, t, i) {
                var n;
                void 0 === t && (t = "vEyePosition"),
                void 0 === i && (i = !1);
                var r = this._forcedViewPosition ? this._forcedViewPosition : this._mirroredCameraPosition ? this._mirroredCameraPosition : null !== (n = this.activeCamera.globalPosition) && void 0 !== n ? n : this.activeCamera.devicePosition
                  , o = this.useRightHandedSystem === (null != this._mirroredCameraPosition);
                return I.Vector4[0].set(r.x, r.y, r.z, o ? -1 : 1),
                e && (i ? e.setFloat3(t, I.Vector4[0].x, I.Vector4[0].y, I.Vector4[0].z) : e.setVector4(t, I.Vector4[0])),
                I.Vector4[0]
            }
            ,
            t.prototype.finalizeSceneUbo = function() {
                var e = this.getSceneUniformBuffer()
                  , t = this.bindEyePosition(null);
                return e.updateFloat4("vEyePosition", t.x, t.y, t.z, t.w),
                e.update(),
                e
            }
            ,
            Object.defineProperty(t.prototype, "useRightHandedSystem", {
                get: function() {
                    return this._useRightHandedSystem
                },
                set: function(e) {
                    this._useRightHandedSystem !== e && (this._useRightHandedSystem = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setStepId = function(e) {
                this._currentStepId = e
            }
            ,
            t.prototype.getStepId = function() {
                return this._currentStepId
            }
            ,
            t.prototype.getInternalStep = function() {
                return this._currentInternalStep
            }
            ,
            Object.defineProperty(t.prototype, "fogEnabled", {
                get: function() {
                    return this._fogEnabled
                },
                set: function(e) {
                    this._fogEnabled !== e && (this._fogEnabled = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fogMode", {
                get: function() {
                    return this._fogMode
                },
                set: function(e) {
                    this._fogMode !== e && (this._fogMode = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "prePass", {
                get: function() {
                    return !!this.prePassRenderer && this.prePassRenderer.defaultRT.enabled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowsEnabled", {
                get: function() {
                    return this._shadowsEnabled
                },
                set: function(e) {
                    this._shadowsEnabled !== e && (this._shadowsEnabled = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_LightDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lightsEnabled", {
                get: function() {
                    return this._lightsEnabled
                },
                set: function(e) {
                    this._lightsEnabled !== e && (this._lightsEnabled = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_LightDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "activeCamera", {
                get: function() {
                    return this._activeCamera
                },
                set: function(e) {
                    e !== this._activeCamera && (this._activeCamera = e,
                    this.onActiveCameraChanged.notifyObservers(this))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "defaultMaterial", {
                get: function() {
                    return this._defaultMaterial || (this._defaultMaterial = t.DefaultMaterialFactory(this)),
                    this._defaultMaterial
                },
                set: function(e) {
                    this._defaultMaterial = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "texturesEnabled", {
                get: function() {
                    return this._texturesEnabled
                },
                set: function(e) {
                    this._texturesEnabled !== e && (this._texturesEnabled = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "skeletonsEnabled", {
                get: function() {
                    return this._skeletonsEnabled
                },
                set: function(e) {
                    this._skeletonsEnabled !== e && (this._skeletonsEnabled = e,
                    this.markAllMaterialsAsDirty(a.MATERIAL_AttributesDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collisionCoordinator", {
                get: function() {
                    return this._collisionCoordinator || (this._collisionCoordinator = t.CollisionCoordinatorFactory(),
                    this._collisionCoordinator.init(this)),
                    this._collisionCoordinator
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "frustumPlanes", {
                get: function() {
                    return this._frustumPlanes
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._registerTransientComponents = function() {
                if (this._transientComponents.length > 0) {
                    for (var e = 0, t = this._transientComponents; e < t.length; e++)
                        t[e].register();
                    this._transientComponents = []
                }
            }
            ,
            t.prototype._addComponent = function(e) {
                this._components.push(e),
                this._transientComponents.push(e);
                var t = e;
                t.addFromContainer && t.serialize && this._serializableComponents.push(t)
            }
            ,
            t.prototype._getComponent = function(e) {
                for (var t = 0, i = this._components; t < i.length; t++) {
                    var n = i[t];
                    if (n.name === e)
                        return n
                }
                return null
            }
            ,
            t.prototype.getClassName = function() {
                return "Scene"
            }
            ,
            t.prototype._getDefaultMeshCandidates = function() {
                return this._defaultMeshCandidates.data = this.meshes,
                this._defaultMeshCandidates.length = this.meshes.length,
                this._defaultMeshCandidates
            }
            ,
            t.prototype._getDefaultSubMeshCandidates = function(e) {
                return this._defaultSubMeshCandidates.data = e.subMeshes,
                this._defaultSubMeshCandidates.length = e.subMeshes.length,
                this._defaultSubMeshCandidates
            }
            ,
            t.prototype.setDefaultCandidateProviders = function() {
                this.getActiveMeshCandidates = this._getDefaultMeshCandidates.bind(this),
                this.getActiveSubMeshCandidates = this._getDefaultSubMeshCandidates.bind(this),
                this.getIntersectingSubMeshCandidates = this._getDefaultSubMeshCandidates.bind(this),
                this.getCollidingSubMeshCandidates = this._getDefaultSubMeshCandidates.bind(this)
            }
            ,
            Object.defineProperty(t.prototype, "meshUnderPointer", {
                get: function() {
                    return this._inputManager.meshUnderPointer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "pointerX", {
                get: function() {
                    return this._inputManager.pointerX
                },
                set: function(e) {
                    this._inputManager.pointerX = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "pointerY", {
                get: function() {
                    return this._inputManager.pointerY
                },
                set: function(e) {
                    this._inputManager.pointerY = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getCachedMaterial = function() {
                return this._cachedMaterial
            }
            ,
            t.prototype.getCachedEffect = function() {
                return this._cachedEffect
            }
            ,
            t.prototype.getCachedVisibility = function() {
                return this._cachedVisibility
            }
            ,
            t.prototype.isCachedMaterialInvalid = function(e, t, i) {
                return void 0 === i && (i = 1),
                this._cachedEffect !== t || this._cachedMaterial !== e || this._cachedVisibility !== i
            }
            ,
            t.prototype.getEngine = function() {
                return this._engine
            }
            ,
            t.prototype.getTotalVertices = function() {
                return this._totalVertices.current
            }
            ,
            Object.defineProperty(t.prototype, "totalVerticesPerfCounter", {
                get: function() {
                    return this._totalVertices
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveIndices = function() {
                return this._activeIndices.current
            }
            ,
            Object.defineProperty(t.prototype, "totalActiveIndicesPerfCounter", {
                get: function() {
                    return this._activeIndices
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveParticles = function() {
                return this._activeParticles.current
            }
            ,
            Object.defineProperty(t.prototype, "activeParticlesPerfCounter", {
                get: function() {
                    return this._activeParticles
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveBones = function() {
                return this._activeBones.current
            }
            ,
            Object.defineProperty(t.prototype, "activeBonesPerfCounter", {
                get: function() {
                    return this._activeBones
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveMeshes = function() {
                return this._activeMeshes
            }
            ,
            t.prototype.getAnimationRatio = function() {
                return void 0 !== this._animationRatio ? this._animationRatio : 1
            }
            ,
            t.prototype.getRenderId = function() {
                return this._renderId
            }
            ,
            t.prototype.getFrameId = function() {
                return this._frameId
            }
            ,
            t.prototype.incrementRenderId = function() {
                this._renderId++
            }
            ,
            t.prototype._createUbo = function() {
                this.setSceneUniformBuffer(this.createSceneUniformBuffer())
            }
            ,
            t.prototype.simulatePointerMove = function(e, t) {
                return this._inputManager.simulatePointerMove(e, t),
                this
            }
            ,
            t.prototype.simulatePointerDown = function(e, t) {
                return this._inputManager.simulatePointerDown(e, t),
                this
            }
            ,
            t.prototype.simulatePointerUp = function(e, t, i) {
                return this._inputManager.simulatePointerUp(e, t, i),
                this
            }
            ,
            t.prototype.isPointerCaptured = function(e) {
                return void 0 === e && (e = 0),
                this._inputManager.isPointerCaptured(e)
            }
            ,
            t.prototype.attachControl = function(e, t, i) {
                void 0 === e && (e = !0),
                void 0 === t && (t = !0),
                void 0 === i && (i = !0),
                this._inputManager.attachControl(e, t, i)
            }
            ,
            t.prototype.detachControl = function() {
                this._inputManager.detachControl()
            }
            ,
            t.prototype.isReady = function(e) {
                if (void 0 === e && (e = !0),
                this._isDisposed)
                    return !1;
                var t, i = this.getEngine();
                if (this._pendingData.length > 0)
                    return !1;
                e && (this._processedMaterials.reset(),
                this._materialsRenderTargets.reset());
                var n = !0;
                for (t = 0; t < this.meshes.length; t++) {
                    var r = this.meshes[t];
                    if (r.isEnabled() && r.subMeshes && 0 !== r.subMeshes.length)
                        if (r.isReady(!0)) {
                            for (var o = r.hasThinInstances || "InstancedMesh" === r.getClassName() || "InstancedLinesMesh" === r.getClassName() || i.getCaps().instancedArrays && r.instances.length > 0, s = 0, l = this._isReadyForMeshStage; s < l.length; s++)
                                l[s].action(r, o) || (n = !1);
                            if (e) {
                                var c = r.material || this.defaultMaterial;
                                if (c)
                                    if (c._storeEffectOnSubMeshes)
                                        for (var u = 0, h = r.subMeshes; u < h.length; u++) {
                                            var d = h[u].getMaterial();
                                            d && d.hasRenderTargetTextures && null != d.getRenderTargetTextures && -1 === this._processedMaterials.indexOf(d) && (this._processedMaterials.push(d),
                                            this._materialsRenderTargets.concatWithNoDuplicate(d.getRenderTargetTextures()))
                                        }
                                    else
                                        c.hasRenderTargetTextures && null != c.getRenderTargetTextures && -1 === this._processedMaterials.indexOf(c) && (this._processedMaterials.push(c),
                                        this._materialsRenderTargets.concatWithNoDuplicate(c.getRenderTargetTextures()))
                            }
                        } else
                            n = !1
                }
                if (!n)
                    return !1;
                if (!i.areAllEffectsReady())
                    return !1;
                if (e)
                    for (t = 0; t < this._materialsRenderTargets.length; ++t)
                        if (!this._materialsRenderTargets.data[t].isReadyForRendering())
                            return !1;
                for (t = 0; t < this.geometries.length; t++)
                    if (this.geometries[t].delayLoadState === a.DELAYLOADSTATE_LOADING)
                        return !1;
                if (this.activeCameras && this.activeCameras.length > 0) {
                    for (var p = 0, f = this.activeCameras; p < f.length; p++)
                        if (!f[p].isReady(!0))
                            return !1
                } else if (this.activeCamera && !this.activeCamera.isReady(!0))
                    return !1;
                for (var _ = 0, m = this.particleSystems; _ < m.length; _++)
                    if (!m[_].isReady())
                        return !1;
                return !0
            }
            ,
            t.prototype.resetCachedMaterial = function() {
                this._cachedMaterial = null,
                this._cachedEffect = null,
                this._cachedVisibility = null
            }
            ,
            t.prototype.registerBeforeRender = function(e) {
                this.onBeforeRenderObservable.add(e)
            }
            ,
            t.prototype.unregisterBeforeRender = function(e) {
                this.onBeforeRenderObservable.removeCallback(e)
            }
            ,
            t.prototype.registerAfterRender = function(e) {
                this.onAfterRenderObservable.add(e)
            }
            ,
            t.prototype.unregisterAfterRender = function(e) {
                this.onAfterRenderObservable.removeCallback(e)
            }
            ,
            t.prototype._executeOnceBeforeRender = function(e) {
                var t = this
                  , i = function() {
                    e(),
                    setTimeout((function() {
                        t.unregisterBeforeRender(i)
                    }
                    ))
                };
                this.registerBeforeRender(i)
            }
            ,
            t.prototype.executeOnceBeforeRender = function(e, t) {
                var i = this;
                void 0 !== t ? setTimeout((function() {
                    i._executeOnceBeforeRender(e)
                }
                ), t) : this._executeOnceBeforeRender(e)
            }
            ,
            t.prototype._addPendingData = function(e) {
                this._pendingData.push(e)
            }
            ,
            t.prototype._removePendingData = function(e) {
                var t = this.isLoading
                  , i = this._pendingData.indexOf(e);
                -1 !== i && this._pendingData.splice(i, 1),
                t && !this.isLoading && this.onDataLoadedObservable.notifyObservers(this)
            }
            ,
            t.prototype.getWaitingItemsCount = function() {
                return this._pendingData.length
            }
            ,
            Object.defineProperty(t.prototype, "isLoading", {
                get: function() {
                    return this._pendingData.length > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.executeWhenReady = function(e, t) {
                var i = this;
                void 0 === t && (t = !1),
                this.onReadyObservable.add(e),
                null === this._executeWhenReadyTimeoutId && (this._executeWhenReadyTimeoutId = setTimeout((function() {
                    i._checkIsReady(t)
                }
                ), 150))
            }
            ,
            t.prototype.whenReadyAsync = function(e) {
                var t = this;
                return void 0 === e && (e = !1),
                new Promise((function(i) {
                    t.executeWhenReady((function() {
                        i()
                    }
                    ), e)
                }
                ))
            }
            ,
            t.prototype._checkIsReady = function(e) {
                var t = this;
                return void 0 === e && (e = !1),
                this._registerTransientComponents(),
                this.isReady(e) ? (this.onReadyObservable.notifyObservers(this),
                this.onReadyObservable.clear(),
                void (this._executeWhenReadyTimeoutId = null)) : this._isDisposed ? (this.onReadyObservable.clear(),
                void (this._executeWhenReadyTimeoutId = null)) : void (this._executeWhenReadyTimeoutId = setTimeout((function() {
                    t._checkIsReady(e)
                }
                ), 100))
            }
            ,
            Object.defineProperty(t.prototype, "animatables", {
                get: function() {
                    return this._activeAnimatables
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.resetLastAnimationTimeFrame = function() {
                this._animationTimeLast = ct.Now
            }
            ,
            t.prototype.getViewMatrix = function() {
                return this._viewMatrix
            }
            ,
            t.prototype.getProjectionMatrix = function() {
                return this._projectionMatrix
            }
            ,
            t.prototype.getTransformMatrix = function() {
                return this._transformMatrix
            }
            ,
            t.prototype.setTransformMatrix = function(e, t, i, n) {
                i || n || !this._multiviewSceneUbo || (this._multiviewSceneUbo.dispose(),
                this._multiviewSceneUbo = null),
                this._viewUpdateFlag === e.updateFlag && this._projectionUpdateFlag === t.updateFlag || (this._viewUpdateFlag = e.updateFlag,
                this._projectionUpdateFlag = t.updateFlag,
                this._viewMatrix = e,
                this._projectionMatrix = t,
                this._viewMatrix.multiplyToRef(this._projectionMatrix, this._transformMatrix),
                this._frustumPlanes ? dn.GetPlanesToRef(this._transformMatrix, this._frustumPlanes) : this._frustumPlanes = dn.GetPlanes(this._transformMatrix),
                this._multiviewSceneUbo && this._multiviewSceneUbo.useUbo ? this._updateMultiviewUbo(i, n) : this._sceneUbo.useUbo && (this._sceneUbo.updateMatrix("viewProjection", this._transformMatrix),
                this._sceneUbo.updateMatrix("view", this._viewMatrix),
                this._sceneUbo.updateMatrix("projection", this._projectionMatrix)))
            }
            ,
            t.prototype.getSceneUniformBuffer = function() {
                return this._multiviewSceneUbo ? this._multiviewSceneUbo : this._sceneUbo
            }
            ,
            t.prototype.createSceneUniformBuffer = function(e) {
                var t = new Fi(this._engine,void 0,!1,null != e ? e : "scene");
                return t.addUniform("viewProjection", 16),
                t.addUniform("view", 16),
                t.addUniform("projection", 16),
                t.addUniform("vEyePosition", 4),
                t
            }
            ,
            t.prototype.setSceneUniformBuffer = function(e) {
                this._sceneUbo = e,
                this._viewUpdateFlag = -1,
                this._projectionUpdateFlag = -1
            }
            ,
            t.prototype.getUniqueId = function() {
                return pn.UniqueId
            }
            ,
            t.prototype.addMesh = function(e, t) {
                var i = this;
                void 0 === t && (t = !1),
                this._blockEntityCollection || (this.meshes.push(e),
                e._resyncLightSources(),
                e.parent || e._addToSceneRootNodes(),
                this.onNewMeshAddedObservable.notifyObservers(e),
                t && e.getChildMeshes().forEach((function(e) {
                    i.addMesh(e)
                }
                )))
            }
            ,
            t.prototype.removeMesh = function(e, t) {
                var i = this;
                void 0 === t && (t = !1);
                var n = this.meshes.indexOf(e);
                return -1 !== n && (this.meshes[n] = this.meshes[this.meshes.length - 1],
                this.meshes.pop(),
                e.parent || e._removeFromSceneRootNodes()),
                this._inputManager._invalidateMesh(e),
                this.onMeshRemovedObservable.notifyObservers(e),
                t && e.getChildMeshes().forEach((function(e) {
                    i.removeMesh(e)
                }
                )),
                n
            }
            ,
            t.prototype.addTransformNode = function(e) {
                this._blockEntityCollection || (e._indexInSceneTransformNodesArray = this.transformNodes.length,
                this.transformNodes.push(e),
                e.parent || e._addToSceneRootNodes(),
                this.onNewTransformNodeAddedObservable.notifyObservers(e))
            }
            ,
            t.prototype.removeTransformNode = function(e) {
                var t = e._indexInSceneTransformNodesArray;
                if (-1 !== t) {
                    if (t !== this.transformNodes.length - 1) {
                        var i = this.transformNodes[this.transformNodes.length - 1];
                        this.transformNodes[t] = i,
                        i._indexInSceneTransformNodesArray = t
                    }
                    e._indexInSceneTransformNodesArray = -1,
                    this.transformNodes.pop(),
                    e.parent || e._removeFromSceneRootNodes()
                }
                return this.onTransformNodeRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.removeSkeleton = function(e) {
                var t = this.skeletons.indexOf(e);
                return -1 !== t && (this.skeletons.splice(t, 1),
                this.onSkeletonRemovedObservable.notifyObservers(e),
                this._executeActiveContainerCleanup(this._activeSkeletons)),
                t
            }
            ,
            t.prototype.removeMorphTargetManager = function(e) {
                var t = this.morphTargetManagers.indexOf(e);
                return -1 !== t && this.morphTargetManagers.splice(t, 1),
                t
            }
            ,
            t.prototype.removeLight = function(e) {
                var t = this.lights.indexOf(e);
                if (-1 !== t) {
                    for (var i = 0, n = this.meshes; i < n.length; i++)
                        n[i]._removeLightSource(e, !1);
                    this.lights.splice(t, 1),
                    this.sortLightsByPriority(),
                    e.parent || e._removeFromSceneRootNodes()
                }
                return this.onLightRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.removeCamera = function(e) {
                var t = this.cameras.indexOf(e);
                if (-1 !== t && (this.cameras.splice(t, 1),
                e.parent || e._removeFromSceneRootNodes()),
                this.activeCameras) {
                    var i = this.activeCameras.indexOf(e);
                    -1 !== i && this.activeCameras.splice(i, 1)
                }
                return this.activeCamera === e && (this.cameras.length > 0 ? this.activeCamera = this.cameras[0] : this.activeCamera = null),
                this.onCameraRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.removeParticleSystem = function(e) {
                var t = this.particleSystems.indexOf(e);
                return -1 !== t && (this.particleSystems.splice(t, 1),
                this._executeActiveContainerCleanup(this._activeParticleSystems)),
                t
            }
            ,
            t.prototype.removeAnimation = function(e) {
                var t = this.animations.indexOf(e);
                return -1 !== t && this.animations.splice(t, 1),
                t
            }
            ,
            t.prototype.stopAnimation = function(e, t, i) {}
            ,
            t.prototype.removeAnimationGroup = function(e) {
                var t = this.animationGroups.indexOf(e);
                return -1 !== t && this.animationGroups.splice(t, 1),
                t
            }
            ,
            t.prototype.removeMultiMaterial = function(e) {
                var t = this.multiMaterials.indexOf(e);
                return -1 !== t && this.multiMaterials.splice(t, 1),
                this.onMultiMaterialRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.removeMaterial = function(e) {
                var t = e._indexInSceneMaterialArray;
                if (-1 !== t && t < this.materials.length) {
                    if (t !== this.materials.length - 1) {
                        var i = this.materials[this.materials.length - 1];
                        this.materials[t] = i,
                        i._indexInSceneMaterialArray = t
                    }
                    e._indexInSceneMaterialArray = -1,
                    this.materials.pop()
                }
                return this.onMaterialRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.removeActionManager = function(e) {
                var t = this.actionManagers.indexOf(e);
                return -1 !== t && this.actionManagers.splice(t, 1),
                t
            }
            ,
            t.prototype.removeTexture = function(e) {
                var t = this.textures.indexOf(e);
                return -1 !== t && this.textures.splice(t, 1),
                this.onTextureRemovedObservable.notifyObservers(e),
                t
            }
            ,
            t.prototype.addLight = function(e) {
                if (!this._blockEntityCollection) {
                    this.lights.push(e),
                    this.sortLightsByPriority(),
                    e.parent || e._addToSceneRootNodes();
                    for (var t = 0, i = this.meshes; t < i.length; t++) {
                        var n = i[t];
                        -1 === n.lightSources.indexOf(e) && (n.lightSources.push(e),
                        n._resyncLightSources())
                    }
                    this.onNewLightAddedObservable.notifyObservers(e)
                }
            }
            ,
            t.prototype.sortLightsByPriority = function() {
                this.requireLightSorting && this.lights.sort(fn.CompareLightsPriority)
            }
            ,
            t.prototype.addCamera = function(e) {
                this._blockEntityCollection || (this.cameras.push(e),
                this.onNewCameraAddedObservable.notifyObservers(e),
                e.parent || e._addToSceneRootNodes())
            }
            ,
            t.prototype.addSkeleton = function(e) {
                this._blockEntityCollection || (this.skeletons.push(e),
                this.onNewSkeletonAddedObservable.notifyObservers(e))
            }
            ,
            t.prototype.addParticleSystem = function(e) {
                this._blockEntityCollection || this.particleSystems.push(e)
            }
            ,
            t.prototype.addAnimation = function(e) {
                this._blockEntityCollection || this.animations.push(e)
            }
            ,
            t.prototype.addAnimationGroup = function(e) {
                this._blockEntityCollection || this.animationGroups.push(e)
            }
            ,
            t.prototype.addMultiMaterial = function(e) {
                this._blockEntityCollection || (this.multiMaterials.push(e),
                this.onNewMultiMaterialAddedObservable.notifyObservers(e))
            }
            ,
            t.prototype.addMaterial = function(e) {
                this._blockEntityCollection || (e._indexInSceneMaterialArray = this.materials.length,
                this.materials.push(e),
                this.onNewMaterialAddedObservable.notifyObservers(e))
            }
            ,
            t.prototype.addMorphTargetManager = function(e) {
                this._blockEntityCollection || this.morphTargetManagers.push(e)
            }
            ,
            t.prototype.addGeometry = function(e) {
                this._blockEntityCollection || (this._geometriesByUniqueId && (this._geometriesByUniqueId[e.uniqueId] = this.geometries.length),
                this.geometries.push(e))
            }
            ,
            t.prototype.addActionManager = function(e) {
                this.actionManagers.push(e)
            }
            ,
            t.prototype.addTexture = function(e) {
                this._blockEntityCollection || (this.textures.push(e),
                this.onNewTextureAddedObservable.notifyObservers(e))
            }
            ,
            t.prototype.switchActiveCamera = function(e, t) {
                void 0 === t && (t = !0),
                this._engine.getInputElement() && (this.activeCamera && this.activeCamera.detachControl(),
                this.activeCamera = e,
                t && e.attachControl())
            }
            ,
            t.prototype.setActiveCameraById = function(e) {
                var t = this.getCameraById(e);
                return t ? (this.activeCamera = t,
                t) : null
            }
            ,
            t.prototype.setActiveCameraByName = function(e) {
                var t = this.getCameraByName(e);
                return t ? (this.activeCamera = t,
                t) : null
            }
            ,
            t.prototype.getAnimationGroupByName = function(e) {
                for (var t = 0; t < this.animationGroups.length; t++)
                    if (this.animationGroups[t].name === e)
                        return this.animationGroups[t];
                return null
            }
            ,
            t.prototype.getMaterialByUniqueID = function(e) {
                for (var t = 0; t < this.materials.length; t++)
                    if (this.materials[t].uniqueId === e)
                        return this.materials[t];
                return null
            }
            ,
            t.prototype.getMaterialById = function(e) {
                for (var t = 0; t < this.materials.length; t++)
                    if (this.materials[t].id === e)
                        return this.materials[t];
                return null
            }
            ,
            t.prototype.getLastMaterialById = function(e, t) {
                void 0 === t && (t = !1);
                for (var i = this.materials.length - 1; i >= 0; i--)
                    if (this.materials[i].id === e)
                        return this.materials[i];
                if (t)
                    for (i = this.multiMaterials.length - 1; i >= 0; i--)
                        if (this.multiMaterials[i].id === e)
                            return this.multiMaterials[i];
                return null
            }
            ,
            t.prototype.getMaterialByName = function(e) {
                for (var t = 0; t < this.materials.length; t++)
                    if (this.materials[t].name === e)
                        return this.materials[t];
                return null
            }
            ,
            t.prototype.getTextureByUniqueId = function(e) {
                for (var t = 0; t < this.textures.length; t++)
                    if (this.textures[t].uniqueId === e)
                        return this.textures[t];
                return null
            }
            ,
            t.prototype.getTextureByName = function(e) {
                for (var t = 0; t < this.textures.length; t++)
                    if (this.textures[t].name === e)
                        return this.textures[t];
                return null
            }
            ,
            t.prototype.getCameraById = function(e) {
                for (var t = 0; t < this.cameras.length; t++)
                    if (this.cameras[t].id === e)
                        return this.cameras[t];
                return null
            }
            ,
            t.prototype.getCameraByUniqueId = function(e) {
                for (var t = 0; t < this.cameras.length; t++)
                    if (this.cameras[t].uniqueId === e)
                        return this.cameras[t];
                return null
            }
            ,
            t.prototype.getCameraByName = function(e) {
                for (var t = 0; t < this.cameras.length; t++)
                    if (this.cameras[t].name === e)
                        return this.cameras[t];
                return null
            }
            ,
            t.prototype.getBoneById = function(e) {
                for (var t = 0; t < this.skeletons.length; t++)
                    for (var i = this.skeletons[t], n = 0; n < i.bones.length; n++)
                        if (i.bones[n].id === e)
                            return i.bones[n];
                return null
            }
            ,
            t.prototype.getBoneByName = function(e) {
                for (var t = 0; t < this.skeletons.length; t++)
                    for (var i = this.skeletons[t], n = 0; n < i.bones.length; n++)
                        if (i.bones[n].name === e)
                            return i.bones[n];
                return null
            }
            ,
            t.prototype.getLightByName = function(e) {
                for (var t = 0; t < this.lights.length; t++)
                    if (this.lights[t].name === e)
                        return this.lights[t];
                return null
            }
            ,
            t.prototype.getLightById = function(e) {
                for (var t = 0; t < this.lights.length; t++)
                    if (this.lights[t].id === e)
                        return this.lights[t];
                return null
            }
            ,
            t.prototype.getLightByUniqueId = function(e) {
                for (var t = 0; t < this.lights.length; t++)
                    if (this.lights[t].uniqueId === e)
                        return this.lights[t];
                return null
            }
            ,
            t.prototype.getParticleSystemById = function(e) {
                for (var t = 0; t < this.particleSystems.length; t++)
                    if (this.particleSystems[t].id === e)
                        return this.particleSystems[t];
                return null
            }
            ,
            t.prototype.getGeometryById = function(e) {
                for (var t = 0; t < this.geometries.length; t++)
                    if (this.geometries[t].id === e)
                        return this.geometries[t];
                return null
            }
            ,
            t.prototype._getGeometryByUniqueId = function(e) {
                if (this._geometriesByUniqueId) {
                    if (void 0 !== (t = this._geometriesByUniqueId[e]))
                        return this.geometries[t]
                } else
                    for (var t = 0; t < this.geometries.length; t++)
                        if (this.geometries[t].uniqueId === e)
                            return this.geometries[t];
                return null
            }
            ,
            t.prototype.pushGeometry = function(e, t) {
                return !(!t && this._getGeometryByUniqueId(e.uniqueId) || (this.addGeometry(e),
                this.onNewGeometryAddedObservable.notifyObservers(e),
                0))
            }
            ,
            t.prototype.removeGeometry = function(e) {
                var t;
                if (this._geometriesByUniqueId) {
                    if (void 0 === (t = this._geometriesByUniqueId[e.uniqueId]))
                        return !1
                } else if ((t = this.geometries.indexOf(e)) < 0)
                    return !1;
                if (t !== this.geometries.length - 1) {
                    var i = this.geometries[this.geometries.length - 1];
                    i && (this.geometries[t] = i,
                    this._geometriesByUniqueId && (this._geometriesByUniqueId[i.uniqueId] = t,
                    this._geometriesByUniqueId[e.uniqueId] = void 0))
                }
                return this.geometries.pop(),
                this.onGeometryRemovedObservable.notifyObservers(e),
                !0
            }
            ,
            t.prototype.getGeometries = function() {
                return this.geometries
            }
            ,
            t.prototype.getMeshById = function(e) {
                for (var t = 0; t < this.meshes.length; t++)
                    if (this.meshes[t].id === e)
                        return this.meshes[t];
                return null
            }
            ,
            t.prototype.getMeshesById = function(e) {
                return this.meshes.filter((function(t) {
                    return t.id === e
                }
                ))
            }
            ,
            t.prototype.getTransformNodeById = function(e) {
                for (var t = 0; t < this.transformNodes.length; t++)
                    if (this.transformNodes[t].id === e)
                        return this.transformNodes[t];
                return null
            }
            ,
            t.prototype.getTransformNodeByUniqueId = function(e) {
                for (var t = 0; t < this.transformNodes.length; t++)
                    if (this.transformNodes[t].uniqueId === e)
                        return this.transformNodes[t];
                return null
            }
            ,
            t.prototype.getTransformNodesById = function(e) {
                return this.transformNodes.filter((function(t) {
                    return t.id === e
                }
                ))
            }
            ,
            t.prototype.getMeshByUniqueId = function(e) {
                for (var t = 0; t < this.meshes.length; t++)
                    if (this.meshes[t].uniqueId === e)
                        return this.meshes[t];
                return null
            }
            ,
            t.prototype.getLastMeshById = function(e) {
                for (var t = this.meshes.length - 1; t >= 0; t--)
                    if (this.meshes[t].id === e)
                        return this.meshes[t];
                return null
            }
            ,
            t.prototype.getLastEntryById = function(e) {
                var t;
                for (t = this.meshes.length - 1; t >= 0; t--)
                    if (this.meshes[t].id === e)
                        return this.meshes[t];
                for (t = this.transformNodes.length - 1; t >= 0; t--)
                    if (this.transformNodes[t].id === e)
                        return this.transformNodes[t];
                for (t = this.cameras.length - 1; t >= 0; t--)
                    if (this.cameras[t].id === e)
                        return this.cameras[t];
                for (t = this.lights.length - 1; t >= 0; t--)
                    if (this.lights[t].id === e)
                        return this.lights[t];
                return null
            }
            ,
            t.prototype.getNodeById = function(e) {
                var t = this.getMeshById(e);
                if (t)
                    return t;
                var i = this.getTransformNodeById(e);
                if (i)
                    return i;
                var n = this.getLightById(e);
                if (n)
                    return n;
                var r = this.getCameraById(e);
                return r || (this.getBoneById(e) || null)
            }
            ,
            t.prototype.getNodeByName = function(e) {
                var t = this.getMeshByName(e);
                if (t)
                    return t;
                var i = this.getTransformNodeByName(e);
                if (i)
                    return i;
                var n = this.getLightByName(e);
                if (n)
                    return n;
                var r = this.getCameraByName(e);
                return r || (this.getBoneByName(e) || null)
            }
            ,
            t.prototype.getMeshByName = function(e) {
                for (var t = 0; t < this.meshes.length; t++)
                    if (this.meshes[t].name === e)
                        return this.meshes[t];
                return null
            }
            ,
            t.prototype.getTransformNodeByName = function(e) {
                for (var t = 0; t < this.transformNodes.length; t++)
                    if (this.transformNodes[t].name === e)
                        return this.transformNodes[t];
                return null
            }
            ,
            t.prototype.getLastSkeletonById = function(e) {
                for (var t = this.skeletons.length - 1; t >= 0; t--)
                    if (this.skeletons[t].id === e)
                        return this.skeletons[t];
                return null
            }
            ,
            t.prototype.getSkeletonByUniqueId = function(e) {
                for (var t = 0; t < this.skeletons.length; t++)
                    if (this.skeletons[t].uniqueId === e)
                        return this.skeletons[t];
                return null
            }
            ,
            t.prototype.getSkeletonById = function(e) {
                for (var t = 0; t < this.skeletons.length; t++)
                    if (this.skeletons[t].id === e)
                        return this.skeletons[t];
                return null
            }
            ,
            t.prototype.getSkeletonByName = function(e) {
                for (var t = 0; t < this.skeletons.length; t++)
                    if (this.skeletons[t].name === e)
                        return this.skeletons[t];
                return null
            }
            ,
            t.prototype.getMorphTargetManagerById = function(e) {
                for (var t = 0; t < this.morphTargetManagers.length; t++)
                    if (this.morphTargetManagers[t].uniqueId === e)
                        return this.morphTargetManagers[t];
                return null
            }
            ,
            t.prototype.getMorphTargetById = function(e) {
                for (var t = 0; t < this.morphTargetManagers.length; ++t)
                    for (var i = this.morphTargetManagers[t], n = 0; n < i.numTargets; ++n) {
                        var r = i.getTarget(n);
                        if (r.id === e)
                            return r
                    }
                return null
            }
            ,
            t.prototype.getMorphTargetByName = function(e) {
                for (var t = 0; t < this.morphTargetManagers.length; ++t)
                    for (var i = this.morphTargetManagers[t], n = 0; n < i.numTargets; ++n) {
                        var r = i.getTarget(n);
                        if (r.name === e)
                            return r
                    }
                return null
            }
            ,
            t.prototype.getPostProcessByName = function(e) {
                for (var t = 0; t < this.postProcesses.length; ++t) {
                    var i = this.postProcesses[t];
                    if (i.name === e)
                        return i
                }
                return null
            }
            ,
            t.prototype.isActiveMesh = function(e) {
                return -1 !== this._activeMeshes.indexOf(e)
            }
            ,
            Object.defineProperty(t.prototype, "uid", {
                get: function() {
                    return this._uid || (this._uid = gi.RandomId()),
                    this._uid
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addExternalData = function(e, t) {
                return this._externalData || (this._externalData = new Ei),
                this._externalData.add(e, t)
            }
            ,
            t.prototype.getExternalData = function(e) {
                return this._externalData ? this._externalData.get(e) : null
            }
            ,
            t.prototype.getOrAddExternalDataWithFactory = function(e, t) {
                return this._externalData || (this._externalData = new Ei),
                this._externalData.getOrAddWithFactory(e, t)
            }
            ,
            t.prototype.removeExternalData = function(e) {
                return this._externalData.remove(e)
            }
            ,
            t.prototype._evaluateSubMesh = function(e, t, i) {
                if (i.hasInstances || i.isAnInstance || this.dispatchAllSubMeshesOfActiveMeshes || this._skipFrustumClipping || t.alwaysSelectAsActiveMesh || 1 === t.subMeshes.length || e.isInFrustum(this._frustumPlanes)) {
                    for (var n = 0, r = this._evaluateSubMeshStage; n < r.length; n++)
                        r[n].action(t, e);
                    var o = e.getMaterial();
                    null != o && (o.hasRenderTargetTextures && null != o.getRenderTargetTextures && -1 === this._processedMaterials.indexOf(o) && (this._processedMaterials.push(o),
                    this._materialsRenderTargets.concatWithNoDuplicate(o.getRenderTargetTextures())),
                    this._renderingManager.dispatch(e, t, o))
                }
            }
            ,
            t.prototype.freeProcessedMaterials = function() {
                this._processedMaterials.dispose()
            }
            ,
            Object.defineProperty(t.prototype, "blockfreeActiveMeshesAndRenderingGroups", {
                get: function() {
                    return this._preventFreeActiveMeshesAndRenderingGroups
                },
                set: function(e) {
                    this._preventFreeActiveMeshesAndRenderingGroups !== e && (e && (this.freeActiveMeshes(),
                    this.freeRenderingGroups()),
                    this._preventFreeActiveMeshesAndRenderingGroups = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.freeActiveMeshes = function() {
                if (!this.blockfreeActiveMeshesAndRenderingGroups && (this._activeMeshes.dispose(),
                this.activeCamera && this.activeCamera._activeMeshes && this.activeCamera._activeMeshes.dispose(),
                this.activeCameras))
                    for (var e = 0; e < this.activeCameras.length; e++) {
                        var t = this.activeCameras[e];
                        t && t._activeMeshes && t._activeMeshes.dispose()
                    }
            }
            ,
            t.prototype.freeRenderingGroups = function() {
                if (!this.blockfreeActiveMeshesAndRenderingGroups && (this._renderingManager && this._renderingManager.freeRenderingGroups(),
                this.textures))
                    for (var e = 0; e < this.textures.length; e++) {
                        var t = this.textures[e];
                        t && t.renderList && t.freeRenderingGroups()
                    }
            }
            ,
            t.prototype._isInIntermediateRendering = function() {
                return this._intermediateRendering
            }
            ,
            t.prototype.freezeActiveMeshes = function(e, t, i, n) {
                var r = this;
                return void 0 === e && (e = !1),
                void 0 === n && (n = !0),
                this.executeWhenReady((function() {
                    if (r.activeCamera) {
                        if (r._frustumPlanes || r.updateTransformMatrix(),
                        r._evaluateActiveMeshes(),
                        r._activeMeshesFrozen = !0,
                        r._skipEvaluateActiveMeshesCompletely = e,
                        n)
                            for (var o = 0; o < r._activeMeshes.length; o++)
                                r._activeMeshes.data[o]._freeze();
                        t && t()
                    } else
                        i && i("No active camera found")
                }
                )),
                this
            }
            ,
            t.prototype.unfreezeActiveMeshes = function() {
                for (var e = 0; e < this.meshes.length; e++) {
                    var t = this.meshes[e];
                    t._internalAbstractMeshDataInfo && (t._internalAbstractMeshDataInfo._isActive = !1)
                }
                for (e = 0; e < this._activeMeshes.length; e++)
                    this._activeMeshes.data[e]._unFreeze();
                return this._activeMeshesFrozen = !1,
                this
            }
            ,
            t.prototype._executeActiveContainerCleanup = function(e) {
                (!this._engine.snapshotRendering || this._engine.snapshotRenderingMode !== a.SNAPSHOTRENDERING_FAST) && this._activeMeshesFrozen && this._activeMeshes.length || this.onBeforeRenderObservable.addOnce((function() {
                    return e.dispose()
                }
                ))
            }
            ,
            t.prototype._evaluateActiveMeshes = function() {
                var e;
                if (this._engine.snapshotRendering && this._engine.snapshotRenderingMode === a.SNAPSHOTRENDERING_FAST)
                    this._activeMeshes.length > 0 && (null === (e = this.activeCamera) || void 0 === e || e._activeMeshes.reset(),
                    this._activeMeshes.reset(),
                    this._renderingManager.reset(),
                    this._processedMaterials.reset(),
                    this._activeParticleSystems.reset(),
                    this._activeSkeletons.reset(),
                    this._softwareSkinnedMeshes.reset());
                else if (this._activeMeshesFrozen && this._activeMeshes.length) {
                    if (!this._skipEvaluateActiveMeshesCompletely)
                        for (var t = this._activeMeshes.length, i = 0; i < t; i++)
                            (c = this._activeMeshes.data[i]).computeWorldMatrix();
                    if (this._activeParticleSystems) {
                        var n = this._activeParticleSystems.length;
                        for (i = 0; i < n; i++)
                            this._activeParticleSystems.data[i].animate()
                    }
                } else if (this.activeCamera) {
                    this.onBeforeActiveMeshesEvaluationObservable.notifyObservers(this),
                    this.activeCamera._activeMeshes.reset(),
                    this._activeMeshes.reset(),
                    this._renderingManager.reset(),
                    this._processedMaterials.reset(),
                    this._activeParticleSystems.reset(),
                    this._activeSkeletons.reset(),
                    this._softwareSkinnedMeshes.reset(),
                    this._materialsRenderTargets.reset();
                    for (var r = 0, o = this._beforeEvaluateActiveMeshStage; r < o.length; r++)
                        o[r].action();
                    var s = this.getActiveMeshCandidates()
                      , l = s.length;
                    for (i = 0; i < l; i++) {
                        var c;
                        if ((c = s.data[i])._internalAbstractMeshDataInfo._currentLODIsUpToDate = !1,
                        !c.isBlocked && (this._totalVertices.addCount(c.getTotalVertices(), !1),
                        c.isReady() && c.isEnabled() && 0 !== c.scaling.lengthSquared())) {
                            c.computeWorldMatrix(),
                            c.actionManager && c.actionManager.hasSpecificTriggers2(a.ACTION_OnIntersectionEnterTrigger, a.ACTION_OnIntersectionExitTrigger) && this._meshesForIntersections.pushNoDuplicate(c);
                            var u = this.customLODSelector ? this.customLODSelector(c, this.activeCamera) : c.getLOD(this.activeCamera);
                            if (c._internalAbstractMeshDataInfo._currentLOD = u,
                            c._internalAbstractMeshDataInfo._currentLODIsUpToDate = !0,
                            null != u && (u !== c && 0 !== u.billboardMode && u.computeWorldMatrix(),
                            c._preActivate(),
                            c.isVisible && c.visibility > 0 && 0 != (c.layerMask & this.activeCamera.layerMask) && (this._skipFrustumClipping || c.alwaysSelectAsActiveMesh || c.isInFrustum(this._frustumPlanes)))) {
                                this._activeMeshes.push(c),
                                this.activeCamera._activeMeshes.push(c),
                                u !== c && u._activate(this._renderId, !1);
                                for (var h = 0, d = this._preActiveMeshStage; h < d.length; h++)
                                    d[h].action(c);
                                c._activate(this._renderId, !1) && (c.isAnInstance ? c._internalAbstractMeshDataInfo._actAsRegularMesh && (u = c) : u._internalAbstractMeshDataInfo._onlyForInstances = !1,
                                u._internalAbstractMeshDataInfo._isActive = !0,
                                this._activeMesh(c, u)),
                                c._postActivate()
                            }
                        }
                    }
                    if (this.onAfterActiveMeshesEvaluationObservable.notifyObservers(this),
                    this.particlesEnabled) {
                        this.onBeforeParticlesRenderingObservable.notifyObservers(this);
                        for (var p = 0; p < this.particleSystems.length; p++) {
                            var f = this.particleSystems[p];
                            if (f.isStarted() && f.emitter) {
                                var _ = f.emitter;
                                _.position && !_.isEnabled() || (this._activeParticleSystems.push(f),
                                f.animate(),
                                this._renderingManager.dispatchParticles(f))
                            }
                        }
                        this.onAfterParticlesRenderingObservable.notifyObservers(this)
                    }
                }
            }
            ,
            t.prototype._activeMesh = function(e, t) {
                if (this._skeletonsEnabled && null !== t.skeleton && void 0 !== t.skeleton && (this._activeSkeletons.pushNoDuplicate(t.skeleton) && (t.skeleton.prepare(),
                this._activeBones.addCount(t.skeleton.bones.length, !1)),
                t.computeBonesUsingShaders || this._softwareSkinnedMeshes.pushNoDuplicate(t)),
                null != t && void 0 !== t.subMeshes && null !== t.subMeshes && t.subMeshes.length > 0)
                    for (var i = this.getActiveSubMeshCandidates(t), n = i.length, r = 0; r < n; r++) {
                        var o = i.data[r];
                        this._evaluateSubMesh(o, t, e)
                    }
            }
            ,
            t.prototype.updateTransformMatrix = function(e) {
                if (this.activeCamera)
                    if (this.activeCamera._renderingMultiview) {
                        var t = this.activeCamera._rigCameras[0]
                          , i = this.activeCamera._rigCameras[1];
                        this.setTransformMatrix(t.getViewMatrix(), t.getProjectionMatrix(e), i.getViewMatrix(), i.getProjectionMatrix(e))
                    } else
                        this.setTransformMatrix(this.activeCamera.getViewMatrix(), this.activeCamera.getProjectionMatrix(e))
            }
            ,
            t.prototype._bindFrameBuffer = function(e, t) {
                void 0 === t && (t = !0),
                e && e._multiviewTexture ? e._multiviewTexture._bindFrameBuffer() : e && e.outputRenderTarget ? e.outputRenderTarget._bindFrameBuffer() : this._engine._currentFrameBufferIsDefaultFrameBuffer() || this._engine.restoreDefaultFramebuffer(),
                t && this._clearFrameBuffer(e)
            }
            ,
            t.prototype._clearFrameBuffer = function(e) {
                if (e && e._multiviewTexture)
                    ;
                else if (e && e.outputRenderTarget) {
                    var t = e.outputRenderTarget;
                    t.onClearObservable.hasObservers() ? t.onClearObservable.notifyObservers(this._engine) : t.skipInitialClear || (this._engine.clear(t.clearColor || this.clearColor, !t._cleared, !0, !0),
                    t._cleared = !0)
                } else
                    this._defaultFrameBufferCleared ? this._engine.clear(null, !1, !0, !0) : (this._defaultFrameBufferCleared = !0,
                    this._clear())
            }
            ,
            t.prototype._renderForCamera = function(e, t, i) {
                var n, r, o;
                if (void 0 === i && (i = !0),
                !e || !e._skipRendering) {
                    var s = this._engine;
                    if (this._activeCamera = e,
                    !this.activeCamera)
                        throw new Error("Active camera not set");
                    if (s.setViewport(this.activeCamera.viewport),
                    this.resetCachedMaterial(),
                    this._renderId++,
                    !this.prePass && i) {
                        var l = !0;
                        e._renderingMultiview && e.outputRenderTarget && (l = e.outputRenderTarget.skipInitialClear,
                        this.autoClear && (e.outputRenderTarget.skipInitialClear = !1)),
                        this._bindFrameBuffer(this._activeCamera),
                        e._renderingMultiview && e.outputRenderTarget && (e.outputRenderTarget.skipInitialClear = l)
                    }
                    this.updateTransformMatrix(),
                    this.onBeforeCameraRenderObservable.notifyObservers(this.activeCamera),
                    this._evaluateActiveMeshes();
                    for (var c = 0; c < this._softwareSkinnedMeshes.length; c++) {
                        var u = this._softwareSkinnedMeshes.data[c];
                        u.applySkeleton(u.skeleton)
                    }
                    this.onBeforeRenderTargetsRenderObservable.notifyObservers(this),
                    this._renderTargets.concatWithNoDuplicate(this._materialsRenderTargets),
                    e.customRenderTargets && e.customRenderTargets.length > 0 && this._renderTargets.concatWithNoDuplicate(e.customRenderTargets),
                    t && t.customRenderTargets && t.customRenderTargets.length > 0 && this._renderTargets.concatWithNoDuplicate(t.customRenderTargets),
                    this.environmentTexture && this.environmentTexture.isRenderTarget && this._renderTargets.pushNoDuplicate(this.environmentTexture);
                    for (var h = 0, d = this._gatherActiveCameraRenderTargetsStage; h < d.length; h++)
                        d[h].action(this._renderTargets);
                    var p = !1;
                    if (this.renderTargetsEnabled) {
                        if (this._intermediateRendering = !0,
                        this._renderTargets.length > 0) {
                            gi.StartPerformanceCounter("Render targets", this._renderTargets.length > 0);
                            for (var f = 0; f < this._renderTargets.length; f++) {
                                var _ = this._renderTargets.data[f];
                                if (_._shouldRender()) {
                                    this._renderId++;
                                    var m = _.activeCamera && _.activeCamera !== this.activeCamera;
                                    _.render(m, this.dumpNextRenderTargets),
                                    p = !0
                                }
                            }
                            gi.EndPerformanceCounter("Render targets", this._renderTargets.length > 0),
                            this._renderId++
                        }
                        for (var g = 0, v = this._cameraDrawRenderTargetStage; g < v.length; g++)
                            p = v[g].action(this.activeCamera) || p;
                        this._intermediateRendering = !1
                    }
                    this._engine.currentRenderPassId = null !== (o = null !== (r = null === (n = e.outputRenderTarget) || void 0 === n ? void 0 : n.renderPassId) && void 0 !== r ? r : e.renderPassId) && void 0 !== o ? o : a.RENDERPASS_MAIN,
                    p && !this.prePass && this._bindFrameBuffer(this._activeCamera, !1),
                    this.onAfterRenderTargetsRenderObservable.notifyObservers(this),
                    !this.postProcessManager || e._multiviewTexture || this.prePass || this.postProcessManager._prepareFrame();
                    for (var y = 0, b = this._beforeCameraDrawStage; y < b.length; y++)
                        b[y].action(this.activeCamera);
                    this.onBeforeDrawPhaseObservable.notifyObservers(this),
                    s.snapshotRendering && s.snapshotRenderingMode === a.SNAPSHOTRENDERING_FAST && this.finalizeSceneUbo(),
                    this._renderingManager.render(null, null, !0, !0),
                    this.onAfterDrawPhaseObservable.notifyObservers(this);
                    for (var T = 0, E = this._afterCameraDrawStage; T < E.length; T++)
                        E[T].action(this.activeCamera);
                    if (this.postProcessManager && !e._multiviewTexture) {
                        var S = e.outputRenderTarget ? e.outputRenderTarget.renderTarget : void 0;
                        this.postProcessManager._finalizeFrame(e.isIntermediate, S)
                    }
                    this._renderTargets.reset(),
                    this.onAfterCameraRenderObservable.notifyObservers(this.activeCamera)
                }
            }
            ,
            t.prototype._processSubCameras = function(e, t) {
                if (void 0 === t && (t = !0),
                e.cameraRigMode === a.RIG_MODE_NONE || e._renderingMultiview)
                    return e._renderingMultiview && !this._multiviewSceneUbo && this._createMultiviewUbo(),
                    this._renderForCamera(e, void 0, t),
                    void this.onAfterRenderCameraObservable.notifyObservers(e);
                if (e._useMultiviewToSingleView)
                    this._renderMultiviewToSingleView(e);
                else {
                    this.onBeforeCameraRenderObservable.notifyObservers(e);
                    for (var i = 0; i < e._rigCameras.length; i++)
                        this._renderForCamera(e._rigCameras[i], e)
                }
                this._activeCamera = e,
                this.updateTransformMatrix(),
                this.onAfterRenderCameraObservable.notifyObservers(e)
            }
            ,
            t.prototype._checkIntersections = function() {
                for (var e = 0; e < this._meshesForIntersections.length; e++) {
                    var t = this._meshesForIntersections.data[e];
                    if (t.actionManager)
                        for (var i = function(e) {
                            var i = t.actionManager.actions[e];
                            if (i.trigger === a.ACTION_OnIntersectionEnterTrigger || i.trigger === a.ACTION_OnIntersectionExitTrigger) {
                                var n = i.getTriggerParameter()
                                  , r = n.mesh ? n.mesh : n
                                  , o = r.intersectsMesh(t, n.usePreciseIntersection)
                                  , s = t._intersectionsInProgress.indexOf(r);
                                o && -1 === s ? i.trigger === a.ACTION_OnIntersectionEnterTrigger ? (i._executeCurrent(w.CreateNew(t, void 0, r)),
                                t._intersectionsInProgress.push(r)) : i.trigger === a.ACTION_OnIntersectionExitTrigger && t._intersectionsInProgress.push(r) : !o && s > -1 && (i.trigger === a.ACTION_OnIntersectionExitTrigger && i._executeCurrent(w.CreateNew(t, void 0, r)),
                                t.actionManager.hasSpecificTrigger(a.ACTION_OnIntersectionExitTrigger, (function(e) {
                                    var t = e.mesh ? e.mesh : e;
                                    return r === t
                                }
                                )) && i.trigger !== a.ACTION_OnIntersectionExitTrigger || t._intersectionsInProgress.splice(s, 1))
                            }
                        }, n = 0; t.actionManager && n < t.actionManager.actions.length; n++)
                            i(n)
                }
            }
            ,
            t.prototype._advancePhysicsEngineStep = function(e) {}
            ,
            t.prototype._animate = function() {}
            ,
            t.prototype.animate = function() {
                if (this._engine.isDeterministicLockStep()) {
                    var e = Math.max(t.MinDeltaTime, Math.min(this._engine.getDeltaTime(), t.MaxDeltaTime)) + this._timeAccumulator
                      , i = this._engine.getTimeStep()
                      , n = 1e3 / i / 1e3
                      , r = 0
                      , o = this._engine.getLockstepMaxSteps()
                      , a = Math.floor(e / i);
                    for (a = Math.min(a, o); e > 0 && r < a; )
                        this.onBeforeStepObservable.notifyObservers(this),
                        this._animationRatio = i * n,
                        this._animate(),
                        this.onAfterAnimationsObservable.notifyObservers(this),
                        this.physicsEnabled && this._advancePhysicsEngineStep(i),
                        this.onAfterStepObservable.notifyObservers(this),
                        this._currentStepId++,
                        r++,
                        e -= i;
                    this._timeAccumulator = e < 0 ? 0 : e
                } else
                    e = this.useConstantAnimationDeltaTime ? 16 : Math.max(t.MinDeltaTime, Math.min(this._engine.getDeltaTime(), t.MaxDeltaTime)),
                    this._animationRatio = .06 * e,
                    this._animate(),
                    this.onAfterAnimationsObservable.notifyObservers(this),
                    this.physicsEnabled && this._advancePhysicsEngineStep(e)
            }
            ,
            t.prototype._clear = function() {
                (this.autoClearDepthAndStencil || this.autoClear) && this._engine.clear(this.clearColor, this.autoClear || this.forceWireframe || this.forcePointsCloud, this.autoClearDepthAndStencil, this.autoClearDepthAndStencil)
            }
            ,
            t.prototype._checkCameraRenderTarget = function(e) {
                var t;
                if ((null == e ? void 0 : e.outputRenderTarget) && !(null == e ? void 0 : e.isRigCamera) && (e.outputRenderTarget._cleared = !1),
                null === (t = null == e ? void 0 : e.rigCameras) || void 0 === t ? void 0 : t.length)
                    for (var i = 0; i < e.rigCameras.length; ++i) {
                        var n = e.rigCameras[i].outputRenderTarget;
                        n && (n._cleared = !1)
                    }
            }
            ,
            t.prototype.resetDrawCache = function(e) {
                if (this.meshes)
                    for (var t = 0, i = this.meshes; t < i.length; t++)
                        i[t].resetDrawCache(e)
            }
            ,
            t.prototype.render = function(e, t) {
                var i, n, r;
                if (void 0 === e && (e = !0),
                void 0 === t && (t = !1),
                !this.isDisposed) {
                    this.onReadyObservable.hasObservers() && null === this._executeWhenReadyTimeoutId && this._checkIsReady(),
                    this._frameId++,
                    this._defaultFrameBufferCleared = !1,
                    this._checkCameraRenderTarget(this.activeCamera),
                    (null === (i = this.activeCameras) || void 0 === i ? void 0 : i.length) && this.activeCameras.forEach(this._checkCameraRenderTarget),
                    this._registerTransientComponents(),
                    this._activeParticles.fetchNewFrame(),
                    this._totalVertices.fetchNewFrame(),
                    this._activeIndices.fetchNewFrame(),
                    this._activeBones.fetchNewFrame(),
                    this._meshesForIntersections.reset(),
                    this.resetCachedMaterial(),
                    this.onBeforeAnimationsObservable.notifyObservers(this),
                    this.actionManager && this.actionManager.processTrigger(a.ACTION_OnEveryFrameTrigger),
                    t || this.animate();
                    for (var o = 0, s = this._beforeCameraUpdateStage; o < s.length; o++)
                        s[o].action();
                    if (e)
                        if (this.activeCameras && this.activeCameras.length > 0)
                            for (var l = 0; l < this.activeCameras.length; l++) {
                                var c = this.activeCameras[l];
                                if (c.update(),
                                c.cameraRigMode !== a.RIG_MODE_NONE)
                                    for (var u = 0; u < c._rigCameras.length; u++)
                                        c._rigCameras[u].update()
                            }
                        else if (this.activeCamera && (this.activeCamera.update(),
                        this.activeCamera.cameraRigMode !== a.RIG_MODE_NONE))
                            for (u = 0; u < this.activeCamera._rigCameras.length; u++)
                                this.activeCamera._rigCameras[u].update();

                    this.onBeforeRunRegisterBeforeRenderObservable.notifyObservers(this),
                    this.onBeforeRenderObservable.notifyObservers(this),
                    this.onAfterRunRegisterBeforeRenderObservable.notifyObservers(this),

                    this.onBeforeRenderObservable.notifyObservers(this);
                    var h = this.getEngine();
                    this.onBeforeRenderTargetsRenderObservable.notifyObservers(this);
                    var d = (null === (n = this.activeCameras) || void 0 === n ? void 0 : n.length) ? this.activeCameras[0] : this.activeCamera;
                    if (this.renderTargetsEnabled) {
                        gi.StartPerformanceCounter("Custom render targets", this.customRenderTargets.length > 0),
                        this._intermediateRendering = !0;
                        for (var p = 0; p < this.customRenderTargets.length; p++) {
                            var f = this.customRenderTargets[p];
                            if (f._shouldRender()) {
                                if (this._renderId++,
                                this.activeCamera = f.activeCamera || this.activeCamera,
                                !this.activeCamera)
                                    throw new Error("Active camera not set");
                                h.setViewport(this.activeCamera.viewport),
                                this.updateTransformMatrix(),
                                f.render(d !== this.activeCamera, this.dumpNextRenderTargets)
                            }
                        }
                        gi.EndPerformanceCounter("Custom render targets", this.customRenderTargets.length > 0),
                        this._intermediateRendering = !1,
                        this._renderId++
                    }
                    this._engine.currentRenderPassId = null !== (r = null == d ? void 0 : d.renderPassId) && void 0 !== r ? r : a.RENDERPASS_MAIN,
                    this.activeCamera = d,
                    this._activeCamera && this._activeCamera.cameraRigMode !== a.RIG_MODE_CUSTOM && !this.prePass && this._bindFrameBuffer(this._activeCamera, !1),
                    this.onAfterRenderTargetsRenderObservable.notifyObservers(this);
                    for (var _ = 0, m = this._beforeClearStage; _ < m.length; _++)
                        m[_].action();
                    this._clearFrameBuffer(this.activeCamera);
                    for (var g = 0, v = this._gatherRenderTargetsStage; g < v.length; g++)
                        v[g].action(this._renderTargets);
                    if (this.activeCameras && this.activeCameras.length > 0)
                        for (l = 0; l < this.activeCameras.length; l++)
                            this._processSubCameras(this.activeCameras[l], l > 0);
                    else {
                        if (!this.activeCamera)
                            throw new Error("No camera defined");
                        this._processSubCameras(this.activeCamera, !!this.activeCamera.outputRenderTarget)
                    }
                    this._checkIntersections();
                    for (var y = 0, b = this._afterRenderStage; y < b.length; y++)
                        b[y].action();
                    if (this.afterRender && this.afterRender(),
                    this.onAfterRenderObservable.notifyObservers(this),
                    this._toBeDisposed.length) {
                        for (u = 0; u < this._toBeDisposed.length; u++) {
                            var T = this._toBeDisposed[u];
                            T && T.dispose()
                        }
                        this._toBeDisposed = []
                    }
                    this.dumpNextRenderTargets && (this.dumpNextRenderTargets = !1),
                    this._activeBones.addCount(0, !0),
                    this._activeIndices.addCount(0, !0),
                    this._activeParticles.addCount(0, !0),
                    this._engine.restoreDefaultFramebuffer()
                }
            }
            ,
            t.prototype.freezeMaterials = function() {
                for (var e = 0; e < this.materials.length; e++)
                    this.materials[e].freeze()
            }
            ,
            t.prototype.unfreezeMaterials = function() {
                for (var e = 0; e < this.materials.length; e++)
                    this.materials[e].unfreeze()
            }
            ,
            t.prototype.dispose = function() {
                var e;
                if (!this.isDisposed) {
                    this.beforeRender = null,
                    this.afterRender = null,
                    this.metadata = null,
                    this.skeletons = [],
                    this.morphTargetManagers = [],
                    this._transientComponents = [],
                    this._isReadyForMeshStage.clear(),
                    this._beforeEvaluateActiveMeshStage.clear(),
                    this._evaluateSubMeshStage.clear(),
                    this._preActiveMeshStage.clear(),
                    this._cameraDrawRenderTargetStage.clear(),
                    this._beforeCameraDrawStage.clear(),
                    this._beforeRenderTargetDrawStage.clear(),
                    this._beforeRenderingGroupDrawStage.clear(),
                    this._beforeRenderingMeshStage.clear(),
                    this._afterRenderingMeshStage.clear(),
                    this._afterRenderingGroupDrawStage.clear(),
                    this._afterCameraDrawStage.clear(),
                    this._afterRenderTargetDrawStage.clear(),
                    this._afterRenderStage.clear(),
                    this._beforeCameraUpdateStage.clear(),
                    this._beforeClearStage.clear(),
                    this._gatherRenderTargetsStage.clear(),
                    this._gatherActiveCameraRenderTargetsStage.clear(),
                    this._pointerMoveStage.clear(),
                    this._pointerDownStage.clear(),
                    this._pointerUpStage.clear(),
                    this.importedMeshesFiles = new Array,
                    this.stopAllAnimations && this.stopAllAnimations(),
                    this.resetCachedMaterial(),
                    this.activeCamera && (this.activeCamera._activeMeshes.dispose(),
                    this.activeCamera = null),
                    this._activeMeshes.dispose(),
                    this._renderingManager.dispose(),
                    this._processedMaterials.dispose(),
                    this._activeParticleSystems.dispose(),
                    this._activeSkeletons.dispose(),
                    this._softwareSkinnedMeshes.dispose(),
                    this._renderTargets.dispose(),
                    this._materialsRenderTargets.dispose(),
                    this._registeredForLateAnimationBindings.dispose(),
                    this._meshesForIntersections.dispose(),
                    this._toBeDisposed = [];
                    for (var t = 0, i = this._activeRequests.slice(); t < i.length; t++)
                        i[t].abort();

                    this.onBeforeRunRegisterBeforeRenderObservable.clear(),
                    this.onAfterRunRegisterBeforeRenderObservable.clear(),
                    this.onBeforeRTT1Observable.clear(),
                    this.onAfterRTT1Observable.clear(),
                    this.onBeforeRunRegisterAfterRenderObservable.clear(),
                    this.onAfterRunRegisterAfterRenderObservable.clear()
                
                    if (this._activeRequests = [],
                    this.onDisposeObservable.notifyObservers(this),
                    this.onDisposeObservable.clear(),
                    this.onBeforeRenderObservable.clear(),
                    this.onAfterRenderObservable.clear(),
                    this.onBeforeRenderTargetsRenderObservable.clear(),
                    this.onAfterRenderTargetsRenderObservable.clear(),
                    this.onAfterStepObservable.clear(),
                    this.onBeforeStepObservable.clear(),
                    this.onBeforeActiveMeshesEvaluationObservable.clear(),
                    this.onAfterActiveMeshesEvaluationObservable.clear(),
                    this.onBeforeParticlesRenderingObservable.clear(),
                    this.onAfterParticlesRenderingObservable.clear(),
                    this.onBeforeDrawPhaseObservable.clear(),
                    this.onAfterDrawPhaseObservable.clear(),
                    this.onBeforeAnimationsObservable.clear(),
                    this.onAfterAnimationsObservable.clear(),
                    this.onDataLoadedObservable.clear(),
                    this.onBeforeRenderingGroupObservable.clear(),
                    this.onAfterRenderingGroupObservable.clear(),
                    this.onMeshImportedObservable.clear(),
                    this.onBeforeCameraRenderObservable.clear(),
                    this.onAfterCameraRenderObservable.clear(),
                    this.onReadyObservable.clear(),
                    this.onNewCameraAddedObservable.clear(),
                    this.onCameraRemovedObservable.clear(),
                    this.onNewLightAddedObservable.clear(),
                    this.onLightRemovedObservable.clear(),
                    this.onNewGeometryAddedObservable.clear(),
                    this.onGeometryRemovedObservable.clear(),
                    this.onNewTransformNodeAddedObservable.clear(),
                    this.onTransformNodeRemovedObservable.clear(),
                    this.onNewMeshAddedObservable.clear(),
                    this.onMeshRemovedObservable.clear(),
                    this.onNewSkeletonAddedObservable.clear(),
                    this.onSkeletonRemovedObservable.clear(),
                    this.onNewMaterialAddedObservable.clear(),
                    this.onNewMultiMaterialAddedObservable.clear(),
                    this.onMaterialRemovedObservable.clear(),
                    this.onMultiMaterialRemovedObservable.clear(),
                    this.onNewTextureAddedObservable.clear(),
                    this.onTextureRemovedObservable.clear(),
                    this.onPrePointerObservable.clear(),
                    this.onPointerObservable.clear(),
                    this.onPreKeyboardObservable.clear(),
                    this.onKeyboardObservable.clear(),
                    this.onActiveCameraChanged.clear(),
                    this.onComputePressureChanged.clear(),
                    null === (e = this._computePressureObserver) || void 0 === e || e.unobserve(),
                    this._computePressureObserver = void 0,
                    this.detachControl(),
                    this._engine.getInputElement())
                        for (var n = 0; n < this.cameras.length; n++)
                            this.cameras[n].detachControl();
                    for (; this.animationGroups.length; )
                        this.animationGroups[0].dispose();
                    for (; this.lights.length; )
                        this.lights[0].dispose();
                    for (; this.meshes.length; )
                        this.meshes[0].dispose(!0);
                    for (; this.transformNodes.length; )
                        this.transformNodes[0].dispose(!0);
                    for (; this.cameras.length; )
                        this.cameras[0].dispose();
                    for (this._defaultMaterial && this._defaultMaterial.dispose(); this.multiMaterials.length; )
                        this.multiMaterials[0].dispose();
                    for (; this.materials.length; )
                        this.materials[0].dispose();
                    for (; this.particleSystems.length; )
                        this.particleSystems[0].dispose();
                    for (; this.postProcesses.length; )
                        this.postProcesses[0].dispose();
                    for (; this.textures.length; )
                        this.textures[0].dispose();
                    for (; this.morphTargetManagers.length; )
                        this.morphTargetManagers[0].dispose();
                    this._sceneUbo.dispose(),
                    this._multiviewSceneUbo && this._multiviewSceneUbo.dispose(),
                    this.postProcessManager.dispose();
                    for (var r = 0, o = this._components; r < o.length; r++)
                        o[r].dispose();
                    var a = this._engine.scenes.indexOf(this);
                    a > -1 && this._engine.scenes.splice(a, 1),
                    E._LastCreatedScene === this && (this._engine.scenes.length > 0 ? E._LastCreatedScene = this._engine.scenes[this._engine.scenes.length - 1] : E._LastCreatedScene = null),
                    (a = this._engine._virtualScenes.indexOf(this)) > -1 && this._engine._virtualScenes.splice(a, 1),
                    this._engine.wipeCaches(!0),
                    this._isDisposed = !0
                }
            }
            ,
            Object.defineProperty(t.prototype, "isDisposed", {
                get: function() {
                    return this._isDisposed
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.clearCachedVertexData = function() {
                for (var e = 0; e < this.meshes.length; e++) {
                    var t = this.meshes[e].geometry;
                    t && t.clearCachedData()
                }
            }
            ,
            t.prototype.cleanCachedTextureBuffer = function() {
                for (var e = 0, t = this.textures; e < t.length; e++) {
                    var i = t[e];
                    i._buffer && (i._buffer = null)
                }
            }
            ,
            t.prototype.getWorldExtends = function(e) {
                var t = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE)
                  , i = new x(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE);
                return e = e || function() {
                    return !0
                }
                ,
                this.meshes.filter(e).forEach((function(e) {
                    if (e.computeWorldMatrix(!0),
                    e.subMeshes && 0 !== e.subMeshes.length && !e.infiniteDistance) {
                        var n = e.getBoundingInfo()
                          , r = n.boundingBox.minimumWorld
                          , o = n.boundingBox.maximumWorld;
                        x.CheckExtends(r, t, i),
                        x.CheckExtends(o, t, i)
                    }
                }
                )),
                {
                    min: t,
                    max: i
                }
            }
            ,
            t.prototype.createPickingRay = function(e, t, i, n, r) {
                throw void 0 === r && (r = !1),
                be("Ray")
            }
            ,
            t.prototype.createPickingRayToRef = function(e, t, i, n, r, o, a) {
                throw void 0 === o && (o = !1),
                void 0 === a && (a = !1),
                be("Ray")
            }
            ,
            t.prototype.createPickingRayInCameraSpace = function(e, t, i) {
                throw be("Ray")
            }
            ,
            t.prototype.createPickingRayInCameraSpaceToRef = function(e, t, i, n) {
                throw be("Ray")
            }
            ,
            t.prototype.pick = function(e, t, i, n, r, o) {
                var a = new Ui;
                return a._pickingUnavailable = !0,
                a
            }
            ,
            t.prototype.pickWithBoundingInfo = function(e, t, i, n, r) {
                var o = new Ui;
                return o._pickingUnavailable = !0,
                o
            }
            ,
            t.prototype.pickWithRay = function(e, t, i, n) {
                throw be("Ray")
            }
            ,
            t.prototype.multiPick = function(e, t, i, n, r) {
                throw be("Ray")
            }
            ,
            t.prototype.multiPickWithRay = function(e, t, i) {
                throw be("Ray")
            }
            ,
            t.prototype.setPointerOverMesh = function(e, t, i) {
                this._inputManager.setPointerOverMesh(e, t, i)
            }
            ,
            t.prototype.getPointerOverMesh = function() {
                return this._inputManager.getPointerOverMesh()
            }
            ,
            t.prototype._rebuildGeometries = function() {
                for (var e = 0, t = this.geometries; e < t.length; e++)
                    t[e]._rebuild();
                for (var i = 0, n = this.meshes; i < n.length; i++)
                    n[i]._rebuild();
                this.postProcessManager && this.postProcessManager._rebuild();
                for (var r = 0, o = this._components; r < o.length; r++)
                    o[r].rebuild();
                for (var a = 0, s = this.particleSystems; a < s.length; a++)
                    s[a].rebuild();
                if (this.spriteManagers)
                    for (var l = 0, c = this.spriteManagers; l < c.length; l++)
                        c[l].rebuild()
            }
            ,
            t.prototype._rebuildTextures = function() {
                for (var e = 0, t = this.textures; e < t.length; e++)
                    t[e]._rebuild();
                this.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)
            }
            ,
            t.prototype._getByTags = function(e, t, i) {
                if (void 0 === t)
                    return e;
                var n = [];
                for (var r in i = i || function(e) {}
                ,
                e) {
                    var o = e[r];
                    ye && ye.MatchesQuery(o, t) && (n.push(o),
                    i(o))
                }
                return n
            }
            ,
            t.prototype.getMeshesByTags = function(e, t) {
                return this._getByTags(this.meshes, e, t)
            }
            ,
            t.prototype.getCamerasByTags = function(e, t) {
                return this._getByTags(this.cameras, e, t)
            }
            ,
            t.prototype.getLightsByTags = function(e, t) {
                return this._getByTags(this.lights, e, t)
            }
            ,
            t.prototype.getMaterialByTags = function(e, t) {
                return this._getByTags(this.materials, e, t).concat(this._getByTags(this.multiMaterials, e, t))
            }
            ,
            t.prototype.getTransformNodesByTags = function(e, t) {
                return this._getByTags(this.transformNodes, e, t)
            }
            ,
            t.prototype.setRenderingOrder = function(e, t, i, n) {
                void 0 === t && (t = null),
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                this._renderingManager.setRenderingOrder(e, t, i, n)
            }
            ,
            t.prototype.setRenderingAutoClearDepthStencil = function(e, t, i, n) {
                void 0 === i && (i = !0),
                void 0 === n && (n = !0),
                this._renderingManager.setRenderingAutoClearDepthStencil(e, t, i, n)
            }
            ,
            t.prototype.getAutoClearDepthStencilSetup = function(e) {
                return this._renderingManager.getAutoClearDepthStencilSetup(e)
            }
            ,
            Object.defineProperty(t.prototype, "blockMaterialDirtyMechanism", {
                get: function() {
                    return this._blockMaterialDirtyMechanism
                },
                set: function(e) {
                    this._blockMaterialDirtyMechanism !== e && (this._blockMaterialDirtyMechanism = e,
                    e || this.markAllMaterialsAsDirty(a.MATERIAL_AllDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.markAllMaterialsAsDirty = function(e, t) {
                if (!this._blockMaterialDirtyMechanism)
                    for (var i = 0, n = this.materials; i < n.length; i++) {
                        var r = n[i];
                        t && !t(r) || r.markAsDirty(e)
                    }
            }
            ,
            t.prototype._loadFile = function(e, t, i, n, r, o, a) {
                var s = this
                  , l = ti(e, t, i, n ? this.offlineProvider : void 0, r, o, a);
                return this._activeRequests.push(l),
                l.onCompleteObservable.add((function(e) {
                    s._activeRequests.splice(s._activeRequests.indexOf(e), 1)
                }
                )),
                l
            }
            ,
            t.prototype._loadFileAsync = function(e, t, i, n, r) {
                var o = this;
                return new Promise((function(a, s) {
                    o._loadFile(e, (function(e) {
                        a(e)
                    }
                    ), t, i, n, (function(e, t) {
                        s(t)
                    }
                    ), r)
                }
                ))
            }
            ,
            t.prototype._requestFile = function(e, t, i, n, r, o, a) {
                var s = this
                  , l = ii(e, t, i, n ? this.offlineProvider : void 0, r, o, a);
                return this._activeRequests.push(l),
                l.onCompleteObservable.add((function(e) {
                    s._activeRequests.splice(s._activeRequests.indexOf(e), 1)
                }
                )),
                l
            }
            ,
            t.prototype._requestFileAsync = function(e, t, i, n, r) {
                var o = this;
                return new Promise((function(a, s) {
                    o._requestFile(e, (function(e) {
                        a(e)
                    }
                    ), t, i, n, (function(e) {
                        s(e)
                    }
                    ), r)
                }
                ))
            }
            ,
            t.prototype._readFile = function(e, t, i, n, r) {
                var o = this
                  , a = ei(e, t, i, n, r);
                return this._activeRequests.push(a),
                a.onCompleteObservable.add((function(e) {
                    o._activeRequests.splice(o._activeRequests.indexOf(e), 1)
                }
                )),
                a
            }
            ,
            t.prototype._readFileAsync = function(e, t, i) {
                var n = this;
                return new Promise((function(r, o) {
                    n._readFile(e, (function(e) {
                        r(e)
                    }
                    ), t, i, (function(e) {
                        o(e)
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.getPerfCollector = function() {
                throw be("performanceViewerSceneExtension")
            }
            ,
            t.FOGMODE_NONE = 0,
            t.FOGMODE_EXP = 1,
            t.FOGMODE_EXP2 = 2,
            t.FOGMODE_LINEAR = 3,
            t.MinDeltaTime = 1,
            t.MaxDeltaTime = 1e3,
            t
        }(o);
        mn.prototype.setActiveCameraByID = function(e) {
            return this.setActiveCameraById(e)
        }
        ,
        mn.prototype.getLastMaterialByID = function(e) {
            return this.getLastMaterialById(e)
        }
        ,
        mn.prototype.getMaterialByID = function(e) {
            return this.getMaterialById(e)
        }
        ,
        mn.prototype.getTextureByUniqueID = function(e) {
            return this.getTextureByUniqueId(e)
        }
        ,
        mn.prototype.getCameraByID = function(e) {
            return this.getCameraById(e)
        }
        ,
        mn.prototype.getCameraByUniqueID = function(e) {
            return this.getCameraByUniqueId(e)
        }
        ,
        mn.prototype.getBoneByID = function(e) {
            return this.getBoneById(e)
        }
        ,
        mn.prototype.getLightByID = function(e) {
            return this.getLightById(e)
        }
        ,
        mn.prototype.getLightByUniqueID = function(e) {
            return this.getLightByUniqueId(e)
        }
        ,
        mn.prototype.getParticleSystemByID = function(e) {
            return this.getParticleSystemById(e)
        }
        ,
        mn.prototype.getGeometryByID = function(e) {
            return this.getGeometryById(e)
        }
        ,
        mn.prototype.getMeshByID = function(e) {
            return this.getMeshById(e)
        }
        ,
        mn.prototype.getMeshesByID = function(e) {
            return this.getMeshesById(e)
        }
        ,
        mn.prototype.getTransformNodeByID = function(e) {
            return this.getTransformNodeById(e)
        }
        ,
        mn.prototype.getTransformNodeByUniqueID = function(e) {
            return this.getTransformNodeByUniqueId(e)
        }
        ,
        mn.prototype.getTransformNodesByID = function(e) {
            return this.getTransformNodesById(e)
        }
        ,
        mn.prototype.getMeshByUniqueID = function(e) {
            return this.getMeshByUniqueId(e)
        }
        ,
        mn.prototype.getLastMeshByID = function(e) {
            return this.getLastMeshById(e)
        }
        ,
        mn.prototype.getLastEntryByID = function(e) {
            return this.getLastEntryById(e)
        }
        ,
        mn.prototype.getNodeByID = function(e) {
            return this.getNodeById(e)
        }
        ,
        mn.prototype.getLastSkeletonByID = function(e) {
            return this.getLastSkeletonById(e)
        }
        ,
        function(e) {
            e[e.LOCAL = 0] = "LOCAL",
            e[e.WORLD = 1] = "WORLD",
            e[e.BONE = 2] = "BONE"
        }(Ji || (Ji = {}));
        var gn, vn = function() {
            function e() {}
            return e.X = new x(1,0,0),
            e.Y = new x(0,1,0),
            e.Z = new x(0,0,1),
            e
        }();
        !function(e) {
            e[e.X = 0] = "X",
            e[e.Y = 1] = "Y",
            e[e.Z = 2] = "Z"
        }(gn || (gn = {}));
        var yn = function(e) {
            function t(t, i, n, r, o, a, s) {
                void 0 === n && (n = null),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null);
                var l = e.call(this, t, i.getScene()) || this;
                return l.name = t,
                l.children = new Array,
                l.animations = new Array,
                l._index = null,
                l._absoluteTransform = new P,
                l._invertedAbsoluteTransform = new P,
                l._scalingDeterminant = 1,
                l._worldTransform = new P,
                l._needToDecompose = !0,
                l._needToCompose = !1,
                l._linkedTransformNode = null,
                l._waitingTransformNodeId = null,
                l._skeleton = i,
                l._localMatrix = r ? r.clone() : P.Identity(),
                l._restPose = o || l._localMatrix.clone(),
                l._baseMatrix = a || l._localMatrix.clone(),
                l._index = s,
                i.bones.push(l),
                l.setParent(n, !1),
                (a || r) && l._updateDifferenceMatrix(),
                l
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "_matrix", {
                get: function() {
                    return this._compose(),
                    this._localMatrix
                },
                set: function(e) {
                    this._needToCompose = !1,
                    e.updateFlag !== this._localMatrix.updateFlag && (this._localMatrix.copyFrom(e),
                    this._markAsDirtyAndDecompose())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "Bone"
            }
            ,
            t.prototype.getSkeleton = function() {
                return this._skeleton
            }
            ,
            Object.defineProperty(t.prototype, "parent", {
                get: function() {
                    return this._parentNode
                },
                set: function(e) {
                    this.setParent(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getParent = function() {
                return this.parent
            }
            ,
            t.prototype.getChildren = function() {
                return this.children
            }
            ,
            t.prototype.getIndex = function() {
                return null === this._index ? this.getSkeleton().bones.indexOf(this) : this._index
            }
            ,
            t.prototype.setParent = function(e, t) {
                if (void 0 === t && (t = !0),
                this.parent !== e) {
                    if (this.parent) {
                        var i = this.parent.children.indexOf(this);
                        -1 !== i && this.parent.children.splice(i, 1)
                    }
                    this._parentNode = e,
                    this.parent && this.parent.children.push(this),
                    t && this._updateDifferenceMatrix(),
                    this.markAsDirty()
                }
            }
            ,
            t.prototype.getLocalMatrix = function() {
                return this._compose(),
                this._localMatrix
            }
            ,
            t.prototype.getBaseMatrix = function() {
                return this._baseMatrix
            }
            ,
            t.prototype.getRestPose = function() {
                return this._restPose
            }
            ,
            t.prototype.setRestPose = function(e) {
                this._restPose.copyFrom(e)
            }
            ,
            t.prototype.getBindPose = function() {
                return this._baseMatrix
            }
            ,
            t.prototype.setBindPose = function(e) {
                this.updateMatrix(e)
            }
            ,
            t.prototype.getWorldMatrix = function() {
                return this._worldTransform
            }
            ,
            t.prototype.returnToRest = function() {
                var e;
                if (this._linkedTransformNode) {
                    var t = I.Vector3[0]
                      , i = I.Quaternion[0]
                      , n = I.Vector3[1];
                    this.getRestPose().decompose(t, i, n),
                    this._linkedTransformNode.position.copyFrom(n),
                    this._linkedTransformNode.rotationQuaternion = null !== (e = this._linkedTransformNode.rotationQuaternion) && void 0 !== e ? e : C.Identity(),
                    this._linkedTransformNode.rotationQuaternion.copyFrom(i),
                    this._linkedTransformNode.scaling.copyFrom(t)
                } else
                    this._matrix = this._restPose
            }
            ,
            t.prototype.getInvertedAbsoluteTransform = function() {
                return this._invertedAbsoluteTransform
            }
            ,
            t.prototype.getAbsoluteTransform = function() {
                return this._absoluteTransform
            }
            ,
            t.prototype.linkTransformNode = function(e) {
                this._linkedTransformNode && this._skeleton._numBonesWithLinkedTransformNode--,
                this._linkedTransformNode = e,
                this._linkedTransformNode && this._skeleton._numBonesWithLinkedTransformNode++
            }
            ,
            t.prototype.getTransformNode = function() {
                return this._linkedTransformNode
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._decompose(),
                    this._localPosition
                },
                set: function(e) {
                    this._decompose(),
                    this._localPosition.copyFrom(e),
                    this._markAsDirtyAndCompose()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotation", {
                get: function() {
                    return this.getRotation()
                },
                set: function(e) {
                    this.setRotation(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationQuaternion", {
                get: function() {
                    return this._decompose(),
                    this._localRotation
                },
                set: function(e) {
                    this.setRotationQuaternion(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaling", {
                get: function() {
                    return this.getScale()
                },
                set: function(e) {
                    this.setScale(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "animationPropertiesOverride", {
                get: function() {
                    return this._skeleton.animationPropertiesOverride
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._decompose = function() {
                this._needToDecompose && (this._needToDecompose = !1,
                this._localScaling || (this._localScaling = x.Zero(),
                this._localRotation = C.Zero(),
                this._localPosition = x.Zero()),
                this._localMatrix.decompose(this._localScaling, this._localRotation, this._localPosition))
            }
            ,
            t.prototype._compose = function() {
                this._needToCompose && (this._localScaling ? (this._needToCompose = !1,
                P.ComposeToRef(this._localScaling, this._localRotation, this._localPosition, this._localMatrix)) : this._needToCompose = !1)
            }
            ,
            t.prototype.updateMatrix = function(e, t, i) {
                void 0 === t && (t = !0),
                void 0 === i && (i = !0),
                this._baseMatrix.copyFrom(e),
                t && this._updateDifferenceMatrix(),
                i ? this._matrix = e : this.markAsDirty()
            }
            ,
            t.prototype._updateDifferenceMatrix = function(e, t) {
                if (void 0 === t && (t = !0),
                e || (e = this._baseMatrix),
                this.parent ? e.multiplyToRef(this.parent._absoluteTransform, this._absoluteTransform) : this._absoluteTransform.copyFrom(e),
                this._absoluteTransform.invertToRef(this._invertedAbsoluteTransform),
                t)
                    for (var i = 0; i < this.children.length; i++)
                        this.children[i]._updateDifferenceMatrix();
                this._scalingDeterminant = this._absoluteTransform.determinant() < 0 ? -1 : 1
            }
            ,
            t.prototype.markAsDirty = function() {
                return this._currentRenderId++,
                this._childUpdateId++,
                this._skeleton._markAsDirty(),
                this
            }
            ,
            t.prototype._markAsDirtyAndCompose = function() {
                this.markAsDirty(),
                this._needToCompose = !0
            }
            ,
            t.prototype._markAsDirtyAndDecompose = function() {
                this.markAsDirty(),
                this._needToDecompose = !0
            }
            ,
            t.prototype.translate = function(e, i, n) {
                void 0 === i && (i = Ji.LOCAL);
                var r = this.getLocalMatrix();
                if (i == Ji.LOCAL)
                    r.addAtIndex(12, e.x),
                    r.addAtIndex(13, e.y),
                    r.addAtIndex(14, e.z);
                else {
                    var o = null;
                    n && (o = n.getWorldMatrix()),
                    this._skeleton.computeAbsoluteTransforms();
                    var a = t._TmpMats[0]
                      , s = t._TmpVecs[0];
                    this.parent ? n && o ? (a.copyFrom(this.parent.getAbsoluteTransform()),
                    a.multiplyToRef(o, a)) : a.copyFrom(this.parent.getAbsoluteTransform()) : P.IdentityToRef(a),
                    a.setTranslationFromFloats(0, 0, 0),
                    a.invert(),
                    x.TransformCoordinatesToRef(e, a, s),
                    r.addAtIndex(12, s.x),
                    r.addAtIndex(13, s.y),
                    r.addAtIndex(14, s.z)
                }
                this._markAsDirtyAndDecompose()
            }
            ,
            t.prototype.setPosition = function(e, i, n) {
                void 0 === i && (i = Ji.LOCAL);
                var r = this.getLocalMatrix();
                if (i == Ji.LOCAL)
                    r.setTranslationFromFloats(e.x, e.y, e.z);
                else {
                    var o = null;
                    n && (o = n.getWorldMatrix()),
                    this._skeleton.computeAbsoluteTransforms();
                    var a = t._TmpMats[0]
                      , s = t._TmpVecs[0];
                    this.parent ? (n && o ? (a.copyFrom(this.parent.getAbsoluteTransform()),
                    a.multiplyToRef(o, a)) : a.copyFrom(this.parent.getAbsoluteTransform()),
                    a.invert()) : P.IdentityToRef(a),
                    x.TransformCoordinatesToRef(e, a, s),
                    r.setTranslationFromFloats(s.x, s.y, s.z)
                }
                this._markAsDirtyAndDecompose()
            }
            ,
            t.prototype.setAbsolutePosition = function(e, t) {
                this.setPosition(e, Ji.WORLD, t)
            }
            ,
            t.prototype.scale = function(e, i, n, r) {
                void 0 === r && (r = !1);
                var o = this.getLocalMatrix()
                  , a = t._TmpMats[0];
                P.ScalingToRef(e, i, n, a),
                a.multiplyToRef(o, o),
                a.invert();
                for (var s = 0, l = this.children; s < l.length; s++) {
                    var c = (d = l[s]).getLocalMatrix();
                    c.multiplyToRef(a, c),
                    c.multiplyAtIndex(12, e),
                    c.multiplyAtIndex(13, i),
                    c.multiplyAtIndex(14, n),
                    d._markAsDirtyAndDecompose()
                }
                if (this._markAsDirtyAndDecompose(),
                r)
                    for (var u = 0, h = this.children; u < h.length; u++) {
                        var d;
                        (d = h[u]).scale(e, i, n, r)
                    }
            }
            ,
            t.prototype.setScale = function(e) {
                this._decompose(),
                this._localScaling.copyFrom(e),
                this._markAsDirtyAndCompose()
            }
            ,
            t.prototype.getScale = function() {
                return this._decompose(),
                this._localScaling
            }
            ,
            t.prototype.getScaleToRef = function(e) {
                this._decompose(),
                e.copyFrom(this._localScaling)
            }
            ,
            t.prototype.setYawPitchRoll = function(e, i, n, r, o) {
                if (void 0 === r && (r = Ji.LOCAL),
                r === Ji.LOCAL) {
                    var a = t._TmpQuat;
                    return C.RotationYawPitchRollToRef(e, i, n, a),
                    void this.setRotationQuaternion(a, r, o)
                }
                var s = t._TmpMats[0];
                if (this._getNegativeRotationToRef(s, o)) {
                    var l = t._TmpMats[1];
                    P.RotationYawPitchRollToRef(e, i, n, l),
                    s.multiplyToRef(l, l),
                    this._rotateWithMatrix(l, r, o)
                }
            }
            ,
            t.prototype.rotate = function(e, i, n, r) {
                void 0 === n && (n = Ji.LOCAL);
                var o = t._TmpMats[0];
                o.setTranslationFromFloats(0, 0, 0),
                P.RotationAxisToRef(e, i, o),
                this._rotateWithMatrix(o, n, r)
            }
            ,
            t.prototype.setAxisAngle = function(e, i, n, r) {
                if (void 0 === n && (n = Ji.LOCAL),
                n === Ji.LOCAL) {
                    var o = t._TmpQuat;
                    return C.RotationAxisToRef(e, i, o),
                    void this.setRotationQuaternion(o, n, r)
                }
                var a = t._TmpMats[0];
                if (this._getNegativeRotationToRef(a, r)) {
                    var s = t._TmpMats[1];
                    P.RotationAxisToRef(e, i, s),
                    a.multiplyToRef(s, s),
                    this._rotateWithMatrix(s, n, r)
                }
            }
            ,
            t.prototype.setRotation = function(e, t, i) {
                void 0 === t && (t = Ji.LOCAL),
                this.setYawPitchRoll(e.y, e.x, e.z, t, i)
            }
            ,
            t.prototype.setRotationQuaternion = function(e, i, n) {
                if (void 0 === i && (i = Ji.LOCAL),
                i === Ji.LOCAL)
                    return this._decompose(),
                    this._localRotation.copyFrom(e),
                    void this._markAsDirtyAndCompose();
                var r = t._TmpMats[0];
                if (this._getNegativeRotationToRef(r, n)) {
                    var o = t._TmpMats[1];
                    P.FromQuaternionToRef(e, o),
                    r.multiplyToRef(o, o),
                    this._rotateWithMatrix(o, i, n)
                }
            }
            ,
            t.prototype.setRotationMatrix = function(e, i, n) {
                if (void 0 === i && (i = Ji.LOCAL),
                i === Ji.LOCAL) {
                    var r = t._TmpQuat;
                    return C.FromRotationMatrixToRef(e, r),
                    void this.setRotationQuaternion(r, i, n)
                }
                var o = t._TmpMats[0];
                if (this._getNegativeRotationToRef(o, n)) {
                    var a = t._TmpMats[1];
                    a.copyFrom(e),
                    o.multiplyToRef(e, a),
                    this._rotateWithMatrix(a, i, n)
                }
            }
            ,
            t.prototype._rotateWithMatrix = function(e, i, n) {
                void 0 === i && (i = Ji.LOCAL);
                var r = this.getLocalMatrix()
                  , o = r.m[12]
                  , a = r.m[13]
                  , s = r.m[14]
                  , l = this.getParent()
                  , c = t._TmpMats[3]
                  , u = t._TmpMats[4];
                l && i == Ji.WORLD ? (n ? (c.copyFrom(n.getWorldMatrix()),
                l.getAbsoluteTransform().multiplyToRef(c, c)) : c.copyFrom(l.getAbsoluteTransform()),
                u.copyFrom(c),
                u.invert(),
                r.multiplyToRef(c, r),
                r.multiplyToRef(e, r),
                r.multiplyToRef(u, r)) : i == Ji.WORLD && n ? (c.copyFrom(n.getWorldMatrix()),
                u.copyFrom(c),
                u.invert(),
                r.multiplyToRef(c, r),
                r.multiplyToRef(e, r),
                r.multiplyToRef(u, r)) : r.multiplyToRef(e, r),
                r.setTranslationFromFloats(o, a, s),
                this.computeAbsoluteTransforms(),
                this._markAsDirtyAndDecompose()
            }
            ,
            t.prototype._getNegativeRotationToRef = function(e, i) {
                var n = t._TmpMats[2];
                return e.copyFrom(this.getAbsoluteTransform()),
                i ? (e.multiplyToRef(i.getWorldMatrix(), e),
                P.ScalingToRef(i.scaling.x, i.scaling.y, i.scaling.z, n)) : P.IdentityToRef(n),
                e.invert(),
                !isNaN(e.m[0]) && (n.multiplyAtIndex(0, this._scalingDeterminant),
                e.multiplyToRef(n, e),
                !0)
            }
            ,
            t.prototype.getPosition = function(e, t) {
                void 0 === e && (e = Ji.LOCAL),
                void 0 === t && (t = null);
                var i = x.Zero();
                return this.getPositionToRef(e, t, i),
                i
            }
            ,
            t.prototype.getPositionToRef = function(e, i, n) {
                if (void 0 === e && (e = Ji.LOCAL),
                e == Ji.LOCAL) {
                    var r = this.getLocalMatrix();
                    n.x = r.m[12],
                    n.y = r.m[13],
                    n.z = r.m[14]
                } else {
                    var o = null;
                    i && (o = i.getWorldMatrix()),
                    this._skeleton.computeAbsoluteTransforms();
                    var a = t._TmpMats[0];
                    i && o ? (a.copyFrom(this.getAbsoluteTransform()),
                    a.multiplyToRef(o, a)) : a = this.getAbsoluteTransform(),
                    n.x = a.m[12],
                    n.y = a.m[13],
                    n.z = a.m[14]
                }
            }
            ,
            t.prototype.getAbsolutePosition = function(e) {
                void 0 === e && (e = null);
                var t = x.Zero();
                return this.getPositionToRef(Ji.WORLD, e, t),
                t
            }
            ,
            t.prototype.getAbsolutePositionToRef = function(e, t) {
                this.getPositionToRef(Ji.WORLD, e, t)
            }
            ,
            t.prototype.computeAbsoluteTransforms = function() {
                if (this._compose(),
                this.parent)
                    this._localMatrix.multiplyToRef(this.parent._absoluteTransform, this._absoluteTransform);
                else {
                    this._absoluteTransform.copyFrom(this._localMatrix);
                    var e = this._skeleton.getPoseMatrix();
                    e && this._absoluteTransform.multiplyToRef(e, this._absoluteTransform)
                }
                for (var t = this.children, i = t.length, n = 0; n < i; n++)
                    t[n].computeAbsoluteTransforms()
            }
            ,
            t.prototype.getDirection = function(e, t) {
                void 0 === t && (t = null);
                var i = x.Zero();
                return this.getDirectionToRef(e, t, i),
                i
            }
            ,
            t.prototype.getDirectionToRef = function(e, i, n) {
                void 0 === i && (i = null);
                var r = null;
                i && (r = i.getWorldMatrix()),
                this._skeleton.computeAbsoluteTransforms();
                var o = t._TmpMats[0];
                o.copyFrom(this.getAbsoluteTransform()),
                i && r && o.multiplyToRef(r, o),
                x.TransformNormalToRef(e, o, n),
                n.normalize()
            }
            ,
            t.prototype.getRotation = function(e, t) {
                void 0 === e && (e = Ji.LOCAL),
                void 0 === t && (t = null);
                var i = x.Zero();
                return this.getRotationToRef(e, t, i),
                i
            }
            ,
            t.prototype.getRotationToRef = function(e, i, n) {
                void 0 === e && (e = Ji.LOCAL),
                void 0 === i && (i = null);
                var r = t._TmpQuat;
                this.getRotationQuaternionToRef(e, i, r),
                r.toEulerAnglesToRef(n)
            }
            ,
            t.prototype.getRotationQuaternion = function(e, t) {
                void 0 === e && (e = Ji.LOCAL),
                void 0 === t && (t = null);
                var i = C.Identity();
                return this.getRotationQuaternionToRef(e, t, i),
                i
            }
            ,
            t.prototype.getRotationQuaternionToRef = function(e, i, n) {
                if (void 0 === e && (e = Ji.LOCAL),
                void 0 === i && (i = null),
                e == Ji.LOCAL)
                    this._decompose(),
                    n.copyFrom(this._localRotation);
                else {
                    var r = t._TmpMats[0]
                      , o = this.getAbsoluteTransform();
                    i ? o.multiplyToRef(i.getWorldMatrix(), r) : r.copyFrom(o),
                    r.multiplyAtIndex(0, this._scalingDeterminant),
                    r.multiplyAtIndex(1, this._scalingDeterminant),
                    r.multiplyAtIndex(2, this._scalingDeterminant),
                    r.decompose(void 0, n, void 0)
                }
            }
            ,
            t.prototype.getRotationMatrix = function(e, t) {
                void 0 === e && (e = Ji.LOCAL);
                var i = P.Identity();
                return this.getRotationMatrixToRef(e, t, i),
                i
            }
            ,
            t.prototype.getRotationMatrixToRef = function(e, i, n) {
                if (void 0 === e && (e = Ji.LOCAL),
                e == Ji.LOCAL)
                    this.getLocalMatrix().getRotationMatrixToRef(n);
                else {
                    var r = t._TmpMats[0]
                      , o = this.getAbsoluteTransform();
                    i ? o.multiplyToRef(i.getWorldMatrix(), r) : r.copyFrom(o),
                    r.multiplyAtIndex(0, this._scalingDeterminant),
                    r.multiplyAtIndex(1, this._scalingDeterminant),
                    r.multiplyAtIndex(2, this._scalingDeterminant),
                    r.getRotationMatrixToRef(n)
                }
            }
            ,
            t.prototype.getAbsolutePositionFromLocal = function(e, t) {
                void 0 === t && (t = null);
                var i = x.Zero();
                return this.getAbsolutePositionFromLocalToRef(e, t, i),
                i
            }
            ,
            t.prototype.getAbsolutePositionFromLocalToRef = function(e, i, n) {
                void 0 === i && (i = null);
                var r = null;
                i && (r = i.getWorldMatrix()),
                this._skeleton.computeAbsoluteTransforms();
                var o = t._TmpMats[0];
                i && r ? (o.copyFrom(this.getAbsoluteTransform()),
                o.multiplyToRef(r, o)) : o = this.getAbsoluteTransform(),
                x.TransformCoordinatesToRef(e, o, n)
            }
            ,
            t.prototype.getLocalPositionFromAbsolute = function(e, t) {
                void 0 === t && (t = null);
                var i = x.Zero();
                return this.getLocalPositionFromAbsoluteToRef(e, t, i),
                i
            }
            ,
            t.prototype.getLocalPositionFromAbsoluteToRef = function(e, i, n) {
                void 0 === i && (i = null);
                var r = null;
                i && (r = i.getWorldMatrix()),
                this._skeleton.computeAbsoluteTransforms();
                var o = t._TmpMats[0];
                o.copyFrom(this.getAbsoluteTransform()),
                i && r && o.multiplyToRef(r, o),
                o.invert(),
                x.TransformCoordinatesToRef(e, o, n)
            }
            ,
            t.prototype.setCurrentPoseAsRest = function() {
                this.setRestPose(this.getLocalMatrix())
            }
            ,
            t._TmpVecs = g.BuildArray(2, x.Zero),
            t._TmpQuat = C.Identity(),
            t._TmpMats = g.BuildArray(5, P.Identity),
            t
        }(Xe)
          , bn = function() {
            function e(e, t, i, n, r, o, a, s, l, c) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 100),
                void 0 === r && (r = !1),
                void 0 === o && (o = 1),
                void 0 === c && (c = !1),
                this.target = t,
                this.fromFrame = i,
                this.toFrame = n,
                this.loopAnimation = r,
                this.onAnimationEnd = a,
                this.onAnimationLoop = l,
                this.isAdditive = c,
                this._localDelayOffset = null,
                this._pausedDelay = null,
                this._manualJumpDelay = null,
                this._runtimeAnimations = new Array,
                this._paused = !1,
                this._speedRatio = 1,
                this._weight = -1,
                this._syncRoot = null,
                this._frameToSyncFromJump = 0,
                this.disposeOnEnd = !0,
                this.animationStarted = !1,
                this.onAnimationEndObservable = new h,
                this.onAnimationLoopObservable = new h,
                this._scene = e,
                s && this.appendAnimations(t, s),
                this._speedRatio = o,
                e._activeAnimatables.push(this)
            }
            return Object.defineProperty(e.prototype, "syncRoot", {
                get: function() {
                    return this._syncRoot
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "masterFrame", {
                get: function() {
                    return 0 === this._runtimeAnimations.length ? 0 : this._runtimeAnimations[0].currentFrame
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "weight", {
                get: function() {
                    return this._weight
                },
                set: function(e) {
                    this._weight = -1 !== e ? Math.min(Math.max(e, 0), 1) : -1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "speedRatio", {
                get: function() {
                    return this._speedRatio
                },
                set: function(e) {
                    for (var t = 0; t < this._runtimeAnimations.length; t++)
                        this._runtimeAnimations[t]._prepareForSpeedRatioChange(e);
                    this._speedRatio = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.syncWith = function(e) {
                if (this._syncRoot = e,
                e) {
                    var t = this._scene._activeAnimatables.indexOf(this);
                    t > -1 && (this._scene._activeAnimatables.splice(t, 1),
                    this._scene._activeAnimatables.push(this))
                }
                return this
            }
            ,
            e.prototype.getAnimations = function() {
                return this._runtimeAnimations
            }
            ,
            e.prototype.appendAnimations = function(e, t) {
                for (var i = this, n = 0; n < t.length; n++) {
                    var r = t[n]
                      , o = new it(e,r,this._scene,this);
                    o._onLoop = function() {
                        i.onAnimationLoopObservable.notifyObservers(i),
                        i.onAnimationLoop && i.onAnimationLoop()
                    }
                    ,
                    this._runtimeAnimations.push(o)
                }
            }
            ,
            e.prototype.getAnimationByTargetProperty = function(e) {
                for (var t = this._runtimeAnimations, i = 0; i < t.length; i++)
                    if (t[i].animation.targetProperty === e)
                        return t[i].animation;
                return null
            }
            ,
            e.prototype.getRuntimeAnimationByTargetProperty = function(e) {
                for (var t = this._runtimeAnimations, i = 0; i < t.length; i++)
                    if (t[i].animation.targetProperty === e)
                        return t[i];
                return null
            }
            ,
            e.prototype.reset = function() {
                for (var e = this._runtimeAnimations, t = 0; t < e.length; t++)
                    e[t].reset(!0);
                this._localDelayOffset = null,
                this._pausedDelay = null
            }
            ,
            e.prototype.enableBlending = function(e) {
                for (var t = this._runtimeAnimations, i = 0; i < t.length; i++)
                    t[i].animation.enableBlending = !0,
                    t[i].animation.blendingSpeed = e
            }
            ,
            e.prototype.disableBlending = function() {
                for (var e = this._runtimeAnimations, t = 0; t < e.length; t++)
                    e[t].animation.enableBlending = !1
            }
            ,
            e.prototype.goToFrame = function(e) {
                var t, i = this._runtimeAnimations;
                if (i[0]) {
                    var n = i[0].animation.framePerSecond;
                    this._frameToSyncFromJump = null !== (t = this._frameToSyncFromJump) && void 0 !== t ? t : i[0].currentFrame;
                    var r = 0 === this.speedRatio ? 0 : (e - this._frameToSyncFromJump) / n * 1e3 / this.speedRatio;
                    this._manualJumpDelay = -r
                }
                for (var o = 0; o < i.length; o++)
                    i[o].goToFrame(e)
            }
            ,
            e.prototype.pause = function() {
                this._paused || (this._paused = !0)
            }
            ,
            e.prototype.restart = function() {
                this._paused = !1
            }
            ,
            e.prototype._raiseOnAnimationEnd = function() {
                this.onAnimationEnd && this.onAnimationEnd(),
                this.onAnimationEndObservable.notifyObservers(this)
            }
            ,
            e.prototype.stop = function(e, t) {
                if (e || t) {
                    var i = this._scene._activeAnimatables.indexOf(this);
                    if (i > -1) {
                        for (var n = (o = this._runtimeAnimations).length - 1; n >= 0; n--) {
                            var r = o[n];
                            e && r.animation.name != e || t && !t(r.target) || (r.dispose(),
                            o.splice(n, 1))
                        }
                        0 == o.length && (this._scene._activeAnimatables.splice(i, 1),
                        this._raiseOnAnimationEnd())
                    }
                } else if ((n = this._scene._activeAnimatables.indexOf(this)) > -1) {
                    this._scene._activeAnimatables.splice(n, 1);
                    for (var o = this._runtimeAnimations, a = 0; a < o.length; a++)
                        o[a].dispose();
                    this._raiseOnAnimationEnd()
                }
            }
            ,
            e.prototype.waitAsync = function() {
                var e = this;
                return new Promise((function(t) {
                    e.onAnimationEndObservable.add((function() {
                        t(e)
                    }
                    ), void 0, void 0, e, !0)
                }
                ))
            }
            ,
            e.prototype._animate = function(e) {
                if (this._paused)
                    return this.animationStarted = !1,
                    null === this._pausedDelay && (this._pausedDelay = e),
                    !0;
                if (null === this._localDelayOffset ? (this._localDelayOffset = e,
                this._pausedDelay = null) : null !== this._pausedDelay && (this._localDelayOffset += e - this._pausedDelay,
                this._pausedDelay = null),
                null !== this._manualJumpDelay && (this._localDelayOffset += this._manualJumpDelay,
                this._manualJumpDelay = null,
                this._frameToSyncFromJump = null),
                0 === this._weight)
                    return !0;
                var t, i = !1, n = this._runtimeAnimations;
                for (t = 0; t < n.length; t++) {
                    var r = n[t].animate(e - this._localDelayOffset, this.fromFrame, this.toFrame, this.loopAnimation, this._speedRatio, this._weight);
                    i = i || r
                }
                if (this.animationStarted = i,
                !i) {
                    if (this.disposeOnEnd)
                        for (t = this._scene._activeAnimatables.indexOf(this),
                        this._scene._activeAnimatables.splice(t, 1),
                        t = 0; t < n.length; t++)
                            n[t].dispose();
                    this._raiseOnAnimationEnd(),
                    this.disposeOnEnd && (this.onAnimationEnd = null,
                    this.onAnimationLoop = null,
                    this.onAnimationLoopObservable.clear(),
                    this.onAnimationEndObservable.clear())
                }
                return i
            }
            ,
            e
        }();
        mn.prototype._animate = function() {
            if (this.animationsEnabled) {
                var e = ct.Now;
                if (!this._animationTimeLast) {
                    if (this._pendingData.length > 0)
                        return;
                    this._animationTimeLast = e
                }
                this.deltaTime = this.useConstantAnimationDeltaTime ? 16 : (e - this._animationTimeLast) * this.animationTimeScale,
                this._animationTimeLast = e;
                var t = this._activeAnimatables;
                if (0 !== t.length) {
                    this._animationTime += this.deltaTime;
                    for (var i = this._animationTime, n = 0; n < t.length; n++) {
                        var r = t[n];
                        !r._animate(i) && r.disposeOnEnd && n--
                    }
                    this._processLateAnimationBindings()
                }
            }
        }
        ,
        mn.prototype.beginWeightedAnimation = function(e, t, i, n, r, o, a, s, l, c, u) {
            void 0 === n && (n = 1),
            void 0 === o && (o = 1),
            void 0 === u && (u = !1);
            var h = this.beginAnimation(e, t, i, r, o, a, s, !1, l, c, u);
            return h.weight = n,
            h
        }
        ,
        mn.prototype.beginAnimation = function(e, t, i, n, r, o, a, s, l, c, u) {
            void 0 === r && (r = 1),
            void 0 === s && (s = !0),
            void 0 === u && (u = !1),
            t > i && r > 0 && (r *= -1),
            s && this.stopAnimation(e, void 0, l),
            a || (a = new bn(this,e,t,i,n,r,o,void 0,c,u));
            var h = !l || l(e);
            if (e.animations && h && a.appendAnimations(e, e.animations),
            e.getAnimatables)
                for (var d = e.getAnimatables(), p = 0; p < d.length; p++)
                    this.beginAnimation(d[p], t, i, n, r, o, a, s, l, c);
            return a.reset(),
            a
        }
        ,
        mn.prototype.beginHierarchyAnimation = function(e, t, i, n, r, o, a, s, l, c, u, h) {
            void 0 === o && (o = 1),
            void 0 === l && (l = !0),
            void 0 === h && (h = !1);
            var d = e.getDescendants(t)
              , p = [];
            p.push(this.beginAnimation(e, i, n, r, o, a, s, l, c, void 0, h));
            for (var f = 0, _ = d; f < _.length; f++) {
                var m = _[f];
                p.push(this.beginAnimation(m, i, n, r, o, a, s, l, c, void 0, h))
            }
            return p
        }
        ,
        mn.prototype.beginDirectAnimation = function(e, t, i, n, r, o, a, s, l) {
            if (void 0 === l && (l = !1),
            void 0 === o && (o = 1),
            i > n && o > 0)
                o *= -1;
            else if (n > i && o < 0) {
                var c = n;
                n = i,
                i = c
            }
            return new bn(this,e,i,n,r,o,a,t,s,l)
        }
        ,
        mn.prototype.beginDirectHierarchyAnimation = function(e, t, i, n, r, o, a, s, l, c) {
            void 0 === c && (c = !1);
            var u = e.getDescendants(t)
              , h = [];
            h.push(this.beginDirectAnimation(e, i, n, r, o, a, s, l, c));
            for (var d = 0, p = u; d < p.length; d++) {
                var f = p[d];
                h.push(this.beginDirectAnimation(f, i, n, r, o, a, s, l, c))
            }
            return h
        }
        ,
        mn.prototype.getAnimatableByTarget = function(e) {
            for (var t = 0; t < this._activeAnimatables.length; t++)
                if (this._activeAnimatables[t].target === e)
                    return this._activeAnimatables[t];
            return null
        }
        ,
        mn.prototype.getAllAnimatablesByTarget = function(e) {
            for (var t = [], i = 0; i < this._activeAnimatables.length; i++)
                this._activeAnimatables[i].target === e && t.push(this._activeAnimatables[i]);
            return t
        }
        ,
        mn.prototype.stopAnimation = function(e, t, i) {
            for (var n = 0, r = this.getAllAnimatablesByTarget(e); n < r.length; n++)
                r[n].stop(t, i)
        }
        ,
        mn.prototype.stopAllAnimations = function() {
            if (this._activeAnimatables) {
                for (var e = 0; e < this._activeAnimatables.length; e++)
                    this._activeAnimatables[e].stop();
                this._activeAnimatables = []
            }
            for (var t = 0, i = this.animationGroups; t < i.length; t++)
                i[t].stop()
        }
        ,
        mn.prototype._registerTargetForLateAnimationBinding = function(e, t) {
            var i = e.target;
            this._registeredForLateAnimationBindings.pushNoDuplicate(i),
            i._lateAnimationHolders || (i._lateAnimationHolders = {}),
            i._lateAnimationHolders[e.targetPath] || (i._lateAnimationHolders[e.targetPath] = {
                totalWeight: 0,
                totalAdditiveWeight: 0,
                animations: [],
                additiveAnimations: [],
                originalValue: t
            }),
            e.isAdditive ? (i._lateAnimationHolders[e.targetPath].additiveAnimations.push(e),
            i._lateAnimationHolders[e.targetPath].totalAdditiveWeight += e.weight) : (i._lateAnimationHolders[e.targetPath].animations.push(e),
            i._lateAnimationHolders[e.targetPath].totalWeight += e.weight)
        }
        ,
        mn.prototype._processLateAnimationBindingsForMatrices = function(e) {
            if (0 === e.totalWeight && 0 === e.totalAdditiveWeight)
                return e.originalValue;
            var t = 1
              , i = I.Vector3[0]
              , n = I.Vector3[1]
              , r = I.Quaternion[0]
              , o = 0
              , a = e.animations[0]
              , s = e.originalValue
              , l = 1
              , c = !1;
            if (e.totalWeight < 1)
                l = 1 - e.totalWeight,
                s.decompose(n, r, i);
            else {
                if (o = 1,
                t = e.totalWeight,
                1 == (l = a.weight / t)) {
                    if (!e.totalAdditiveWeight)
                        return a.currentValue;
                    c = !0
                }
                a.currentValue.decompose(n, r, i)
            }
            if (!c) {
                n.scaleInPlace(l),
                i.scaleInPlace(l),
                r.scaleInPlace(l);
                for (var u = o; u < e.animations.length; u++)
                    if (0 !== (f = e.animations[u]).weight) {
                        l = f.weight / t;
                        var h = I.Vector3[2]
                          , d = I.Vector3[3]
                          , p = I.Quaternion[1];
                        f.currentValue.decompose(d, p, h),
                        d.scaleAndAddToRef(l, n),
                        p.scaleAndAddToRef(l, r),
                        h.scaleAndAddToRef(l, i)
                    }
            }
            for (u = 0; u < e.additiveAnimations.length; u++) {
                var f;
                0 !== (f = e.additiveAnimations[u]).weight && (h = I.Vector3[2],
                d = I.Vector3[3],
                p = I.Quaternion[1],
                f.currentValue.decompose(d, p, h),
                d.multiplyToRef(n, d),
                x.LerpToRef(n, d, f.weight, n),
                r.multiplyToRef(p, p),
                C.SlerpToRef(r, p, f.weight, r),
                h.scaleAndAddToRef(f.weight, i))
            }
            var _ = a ? a._animationState.workValue : I.Matrix[0].clone();
            return P.ComposeToRef(n, r, i, _),
            _
        }
        ,
        mn.prototype._processLateAnimationBindingsForQuaternions = function(e, t) {
            if (0 === e.totalWeight && 0 === e.totalAdditiveWeight)
                return t;
            var i = e.animations[0]
              , n = e.originalValue
              , r = t;
            if (0 === e.totalWeight && e.totalAdditiveWeight > 0)
                r.copyFrom(n);
            else if (1 === e.animations.length) {
                if (C.SlerpToRef(n, i.currentValue, Math.min(1, e.totalWeight), r),
                0 === e.totalAdditiveWeight)
                    return r
            } else if (e.animations.length > 1) {
                var o = 1
                  , a = void 0
                  , s = void 0;
                if (e.totalWeight < 1) {
                    var l = 1 - e.totalWeight;
                    s = [],
                    (a = []).push(n),
                    s.push(l)
                } else {
                    if (2 === e.animations.length && (C.SlerpToRef(e.animations[0].currentValue, e.animations[1].currentValue, e.animations[1].weight / e.totalWeight, t),
                    0 === e.totalAdditiveWeight))
                        return t;
                    a = [],
                    s = [],
                    o = e.totalWeight
                }
                for (var c = 0; c < e.animations.length; c++) {
                    var u = e.animations[c];
                    a.push(u.currentValue),
                    s.push(u.weight / o)
                }
                for (var h = 0, d = 0; d < a.length; )
                    d ? (h += s[d],
                    C.SlerpToRef(r, a[d], s[d] / h, r),
                    d++) : (C.SlerpToRef(a[d], a[d + 1], s[d + 1] / (s[d] + s[d + 1]), t),
                    r = t,
                    h = s[d] + s[d + 1],
                    d += 2)
            }
            for (c = 0; c < e.additiveAnimations.length; c++)
                0 !== (u = e.additiveAnimations[c]).weight && (r.multiplyToRef(u.currentValue, I.Quaternion[0]),
                C.SlerpToRef(r, I.Quaternion[0], u.weight, r));
            return r
        }
        ,
        mn.prototype._processLateAnimationBindings = function() {
            if (this._registeredForLateAnimationBindings.length) {
                for (var e = 0; e < this._registeredForLateAnimationBindings.length; e++) {
                    var t = this._registeredForLateAnimationBindings.data[e];
                    for (var i in t._lateAnimationHolders) {
                        var n = t._lateAnimationHolders[i]
                          , r = n.animations[0]
                          , o = n.originalValue
                          , a = Qe.AllowMatrixDecomposeForInterpolation && o.m
                          , s = t[i];
                        if (a)
                            s = this._processLateAnimationBindingsForMatrices(n);
                        else if (void 0 !== o.w)
                            s = this._processLateAnimationBindingsForQuaternions(n, s || C.Identity());
                        else {
                            var l = 0
                              , c = 1;
                            n.totalWeight < 1 ? s = r && o.scale ? o.scale(1 - n.totalWeight) : r ? o * (1 - n.totalWeight) : o.clone ? o.clone() : o : r && (c = n.totalWeight,
                            s = 1 != (d = r.weight / c) ? r.currentValue.scale ? r.currentValue.scale(d) : r.currentValue * d : r.currentValue,
                            l = 1);
                            for (var u = l; u < n.animations.length; u++)
                                (d = (h = n.animations[u]).weight / c) && (h.currentValue.scaleAndAddToRef ? h.currentValue.scaleAndAddToRef(d, s) : s += h.currentValue * d);
                            for (u = 0; u < n.additiveAnimations.length; u++) {
                                var h, d;
                                (d = (h = n.additiveAnimations[u]).weight) && (h.currentValue.scaleAndAddToRef ? h.currentValue.scaleAndAddToRef(d, s) : s += h.currentValue * d)
                            }
                        }
                        t[i] = s
                    }
                    t._lateAnimationHolders = {}
                }
                this._registeredForLateAnimationBindings.reset()
            }
        }
        ,
        yn.prototype.copyAnimationRange = function(e, t, i, n, r) {
            void 0 === n && (n = !1),
            void 0 === r && (r = null),
            0 === this.animations.length && (this.animations.push(new Qe(this.name,"_matrix",e.animations[0].framePerSecond,Qe.ANIMATIONTYPE_MATRIX,0)),
            this.animations[0].setKeys([]));
            var o = e.animations[0].getRange(t);
            if (!o)
                return !1;
            for (var a, s, l, c = o.from, u = o.to, h = e.animations[0].getKeys(), d = e.length, p = e.getParent(), f = this.getParent(), _ = n && p && d && this.length && d !== this.length, m = _ && f && p ? f.length / p.length : 1, g = n && !f && r && (1 !== r.x || 1 !== r.y || 1 !== r.z), v = this.animations[0].getKeys(), y = 0, b = h.length; y < b; y++)
                (a = h[y]).frame >= c && a.frame <= u && (n ? (l = a.value.clone(),
                _ ? (s = l.getTranslation(),
                l.setTranslation(s.scaleInPlace(m))) : g && r ? (s = l.getTranslation(),
                l.setTranslation(s.multiplyInPlace(r))) : l = a.value) : l = a.value,
                v.push({
                    frame: a.frame + i,
                    value: l
                }));
            return this.animations[0].createRange(t, c + i, u + i),
            !0
        }
        ;
        var Tn, En = function() {
            this.enableBlending = !1,
            this.blendingSpeed = .01,
            this.loopMode = Qe.ANIMATIONLOOPMODE_CYCLE
        };
        !function(e) {
            e[e.CW = 0] = "CW",
            e[e.CCW = 1] = "CCW"
        }(Tn || (Tn = {}));
        var Sn = function() {
            function e() {}
            return e.Interpolate = function(e, t, i, n, r) {
                for (var o = 1 - 3 * n + 3 * t, a = 3 * n - 6 * t, s = 3 * t, l = e, c = 0; c < 5; c++) {
                    var u = l * l;
                    l -= 1 / (3 * o * u + 2 * a * l + s) * (o * (u * l) + a * u + s * l - e),
                    l = Math.min(1, Math.max(0, l))
                }
                return 3 * Math.pow(1 - l, 2) * l * i + 3 * (1 - l) * Math.pow(l, 2) * r + Math.pow(l, 3)
            }
            ,
            e
        }()
          , An = function() {
            function e(e) {
                this._radians = e,
                this._radians < 0 && (this._radians += 2 * Math.PI)
            }
            return e.prototype.degrees = function() {
                return 180 * this._radians / Math.PI
            }
            ,
            e.prototype.radians = function() {
                return this._radians
            }
            ,
            e.BetweenTwoPoints = function(t, i) {
                var n = i.subtract(t);
                return new e(Math.atan2(n.y, n.x))
            }
            ,
            e.FromRadians = function(t) {
                return new e(t)
            }
            ,
            e.FromDegrees = function(t) {
                return new e(t * Math.PI / 180)
            }
            ,
            e
        }()
          , xn = function(e, t, i) {
            this.startPoint = e,
            this.midPoint = t,
            this.endPoint = i;
            var n = Math.pow(t.x, 2) + Math.pow(t.y, 2)
              , r = (Math.pow(e.x, 2) + Math.pow(e.y, 2) - n) / 2
              , o = (n - Math.pow(i.x, 2) - Math.pow(i.y, 2)) / 2
              , a = (e.x - t.x) * (t.y - i.y) - (t.x - i.x) * (e.y - t.y);
            this.centerPoint = new A((r * (t.y - i.y) - o * (e.y - t.y)) / a,((e.x - t.x) * o - (t.x - i.x) * r) / a),
            this.radius = this.centerPoint.subtract(this.startPoint).length(),
            this.startAngle = An.BetweenTwoPoints(this.centerPoint, this.startPoint);
            var s = this.startAngle.degrees()
              , l = An.BetweenTwoPoints(this.centerPoint, this.midPoint).degrees()
              , c = An.BetweenTwoPoints(this.centerPoint, this.endPoint).degrees();
            l - s > 180 && (l -= 360),
            l - s < -180 && (l += 360),
            c - l > 180 && (c -= 360),
            c - l < -180 && (c += 360),
            this.orientation = l - s < 0 ? Tn.CW : Tn.CCW,
            this.angle = An.FromDegrees(this.orientation === Tn.CW ? s - c : c - s)
        }
          , Rn = function() {
            function e(e, t) {
                this._points = new Array,
                this._length = 0,
                this.closed = !1,
                this._points.push(new A(e,t))
            }
            return e.prototype.addLineTo = function(e, t) {
                if (this.closed)
                    return this;
                var i = new A(e,t)
                  , n = this._points[this._points.length - 1];
                return this._points.push(i),
                this._length += i.subtract(n).length(),
                this
            }
            ,
            e.prototype.addArcTo = function(e, t, i, n, r) {
                if (void 0 === r && (r = 36),
                this.closed)
                    return this;
                var o = this._points[this._points.length - 1]
                  , a = new A(e,t)
                  , s = new A(i,n)
                  , l = new xn(o,a,s)
                  , c = l.angle.radians() / r;
                l.orientation === Tn.CW && (c *= -1);
                for (var u = l.startAngle.radians() + c, h = 0; h < r; h++) {
                    var d = Math.cos(u) * l.radius + l.centerPoint.x
                      , p = Math.sin(u) * l.radius + l.centerPoint.y;
                    this.addLineTo(d, p),
                    u += c
                }
                return this
            }
            ,
            e.prototype.close = function() {
                return this.closed = !0,
                this
            }
            ,
            e.prototype.length = function() {
                var e = this._length;
                if (this.closed) {
                    var t = this._points[this._points.length - 1];
                    e += this._points[0].subtract(t).length()
                }
                return e
            }
            ,
            e.prototype.getPoints = function() {
                return this._points
            }
            ,
            e.prototype.getPointAtLengthPosition = function(e) {
                if (e < 0 || e > 1)
                    return A.Zero();
                for (var t = e * this.length(), i = 0, n = 0; n < this._points.length; n++) {
                    var r = (n + 1) % this._points.length
                      , o = this._points[n]
                      , a = this._points[r].subtract(o)
                      , s = a.length() + i;
                    if (t >= i && t <= s) {
                        var l = a.normalize()
                          , c = t - i;
                        return new A(o.x + l.x * c,o.y + l.y * c)
                    }
                    i = s
                }
                return A.Zero()
            }
            ,
            e.StartingAt = function(t, i) {
                return new e(t,i)
            }
            ,
            e
        }()
          , Cn = function() {
            function e(e, t, i, n) {
                void 0 === t && (t = null),
                void 0 === n && (n = !1),
                this.path = e,
                this._curve = new Array,
                this._distances = new Array,
                this._tangents = new Array,
                this._normals = new Array,
                this._binormals = new Array,
                this._pointAtData = {
                    id: 0,
                    point: x.Zero(),
                    previousPointArrayIndex: 0,
                    position: 0,
                    subPosition: 0,
                    interpolateReady: !1,
                    interpolationMatrix: P.Identity()
                };
                for (var r = 0; r < e.length; r++)
                    this._curve[r] = e[r].clone();
                this._raw = i || !1,
                this._alignTangentsWithPath = n,
                this._compute(t, n)
            }
            return e.prototype.getCurve = function() {
                return this._curve
            }
            ,
            e.prototype.getPoints = function() {
                return this._curve
            }
            ,
            e.prototype.length = function() {
                return this._distances[this._distances.length - 1]
            }
            ,
            e.prototype.getTangents = function() {
                return this._tangents
            }
            ,
            e.prototype.getNormals = function() {
                return this._normals
            }
            ,
            e.prototype.getBinormals = function() {
                return this._binormals
            }
            ,
            e.prototype.getDistances = function() {
                return this._distances
            }
            ,
            e.prototype.getPointAt = function(e) {
                return this._updatePointAtData(e).point
            }
            ,
            e.prototype.getTangentAt = function(e, t) {
                return void 0 === t && (t = !1),
                this._updatePointAtData(e, t),
                t ? x.TransformCoordinates(x.Forward(), this._pointAtData.interpolationMatrix) : this._tangents[this._pointAtData.previousPointArrayIndex]
            }
            ,
            e.prototype.getNormalAt = function(e, t) {
                return void 0 === t && (t = !1),
                this._updatePointAtData(e, t),
                t ? x.TransformCoordinates(x.Right(), this._pointAtData.interpolationMatrix) : this._normals[this._pointAtData.previousPointArrayIndex]
            }
            ,
            e.prototype.getBinormalAt = function(e, t) {
                return void 0 === t && (t = !1),
                this._updatePointAtData(e, t),
                t ? x.TransformCoordinates(x.UpReadOnly, this._pointAtData.interpolationMatrix) : this._binormals[this._pointAtData.previousPointArrayIndex]
            }
            ,
            e.prototype.getDistanceAt = function(e) {
                return this.length() * e
            }
            ,
            e.prototype.getPreviousPointIndexAt = function(e) {
                return this._updatePointAtData(e),
                this._pointAtData.previousPointArrayIndex
            }
            ,
            e.prototype.getSubPositionAt = function(e) {
                return this._updatePointAtData(e),
                this._pointAtData.subPosition
            }
            ,
            e.prototype.getClosestPositionTo = function(e) {
                for (var t = Number.MAX_VALUE, i = 0, n = 0; n < this._curve.length - 1; n++) {
                    var r = this._curve[n + 0]
                      , o = this._curve[n + 1].subtract(r).normalize()
                      , a = this._distances[n + 1] - this._distances[n + 0]
                      , s = Math.min(Math.max(x.Dot(o, e.subtract(r).normalize()), 0) * x.Distance(r, e) / a, 1)
                      , l = x.Distance(r.add(o.scale(s * a)), e);
                    l < t && (t = l,
                    i = (this._distances[n + 0] + a * s) / this.length())
                }
                return i
            }
            ,
            e.prototype.slice = function(t, i) {
                if (void 0 === t && (t = 0),
                void 0 === i && (i = 1),
                t < 0 && (t = 1 - -1 * t % 1),
                i < 0 && (i = 1 - -1 * i % 1),
                t > i) {
                    var n = t;
                    t = i,
                    i = n
                }
                var r = this.getCurve()
                  , o = this.getPointAt(t)
                  , a = this.getPreviousPointIndexAt(t)
                  , s = this.getPointAt(i)
                  , l = this.getPreviousPointIndexAt(i) + 1
                  , c = [];
                return 0 !== t && (a++,
                c.push(o)),
                c.push.apply(c, r.slice(a, l)),
                1 === i && 1 !== t || c.push(s),
                new e(c,this.getNormalAt(t),this._raw,this._alignTangentsWithPath)
            }
            ,
            e.prototype.update = function(e, t, i) {
                void 0 === t && (t = null),
                void 0 === i && (i = !1);
                for (var n = 0; n < e.length; n++)
                    this._curve[n].x = e[n].x,
                    this._curve[n].y = e[n].y,
                    this._curve[n].z = e[n].z;
                return this._compute(t, i),
                this
            }
            ,
            e.prototype._compute = function(e, t) {
                void 0 === t && (t = !1);
                var i = this._curve.length;
                if (!(i < 2)) {
                    this._tangents[0] = this._getFirstNonNullVector(0),
                    this._raw || this._tangents[0].normalize(),
                    this._tangents[i - 1] = this._curve[i - 1].subtract(this._curve[i - 2]),
                    this._raw || this._tangents[i - 1].normalize();
                    var n, r, o, a, s, l = this._tangents[0], c = this._normalVector(l, e);
                    this._normals[0] = c,
                    this._raw || this._normals[0].normalize(),
                    this._binormals[0] = x.Cross(l, this._normals[0]),
                    this._raw || this._binormals[0].normalize(),
                    this._distances[0] = 0;
                    for (var u = 1; u < i; u++)
                        n = this._getLastNonNullVector(u),
                        u < i - 1 && (r = this._getFirstNonNullVector(u),
                        this._tangents[u] = t ? r : n.add(r),
                        this._tangents[u].normalize()),
                        this._distances[u] = this._distances[u - 1] + this._curve[u].subtract(this._curve[u - 1]).length(),
                        o = this._tangents[u],
                        s = this._binormals[u - 1],
                        this._normals[u] = x.Cross(s, o),
                        this._raw || (0 === this._normals[u].length() ? (a = this._normals[u - 1],
                        this._normals[u] = a.clone()) : this._normals[u].normalize()),
                        this._binormals[u] = x.Cross(o, this._normals[u]),
                        this._raw || this._binormals[u].normalize();
                    this._pointAtData.id = NaN
                }
            }
            ,
            e.prototype._getFirstNonNullVector = function(e) {
                for (var t = 1, i = this._curve[e + t].subtract(this._curve[e]); 0 === i.length() && e + t + 1 < this._curve.length; )
                    t++,
                    i = this._curve[e + t].subtract(this._curve[e]);
                return i
            }
            ,
            e.prototype._getLastNonNullVector = function(e) {
                for (var t = 1, i = this._curve[e].subtract(this._curve[e - t]); 0 === i.length() && e > t + 1; )
                    t++,
                    i = this._curve[e].subtract(this._curve[e - t]);
                return i
            }
            ,
            e.prototype._normalVector = function(e, t) {
                var i, n = e.length();
                if (0 === n && (n = 1),
                null == t) {
                    var r;
                    r = d.WithinEpsilon(Math.abs(e.y) / n, 1, m) ? d.WithinEpsilon(Math.abs(e.x) / n, 1, m) ? d.WithinEpsilon(Math.abs(e.z) / n, 1, m) ? x.Zero() : new x(0,0,1) : new x(1,0,0) : new x(0,-1,0),
                    i = x.Cross(e, r)
                } else
                    i = x.Cross(e, t),
                    x.CrossToRef(i, e, i);
                return i.normalize(),
                i
            }
            ,
            e.prototype._updatePointAtData = function(e, t) {
                if (void 0 === t && (t = !1),
                this._pointAtData.id === e)
                    return this._pointAtData.interpolateReady || this._updateInterpolationMatrix(),
                    this._pointAtData;
                this._pointAtData.id = e;
                var i = this.getPoints();
                if (e <= 0)
                    return this._setPointAtData(0, 0, i[0], 0, t);
                if (e >= 1)
                    return this._setPointAtData(1, 1, i[i.length - 1], i.length - 1, t);
                for (var n, r = i[0], o = 0, a = e * this.length(), s = 1; s < i.length; s++) {
                    n = i[s];
                    var l = x.Distance(r, n);
                    if ((o += l) === a)
                        return this._setPointAtData(e, 1, n, s, t);
                    if (o > a) {
                        var c = (o - a) / l
                          , u = r.subtract(n)
                          , h = n.add(u.scaleInPlace(c));
                        return this._setPointAtData(e, 1 - c, h, s - 1, t)
                    }
                    r = n
                }
                return this._pointAtData
            }
            ,
            e.prototype._setPointAtData = function(e, t, i, n, r) {
                return this._pointAtData.point = i,
                this._pointAtData.position = e,
                this._pointAtData.subPosition = t,
                this._pointAtData.previousPointArrayIndex = n,
                this._pointAtData.interpolateReady = r,
                r && this._updateInterpolationMatrix(),
                this._pointAtData
            }
            ,
            e.prototype._updateInterpolationMatrix = function() {
                this._pointAtData.interpolationMatrix = P.Identity();
                var e = this._pointAtData.previousPointArrayIndex;
                if (e !== this._tangents.length - 1) {
                    var t = e + 1
                      , i = this._tangents[e].clone()
                      , n = this._normals[e].clone()
                      , r = this._binormals[e].clone()
                      , o = this._tangents[t].clone()
                      , a = this._normals[t].clone()
                      , s = this._binormals[t].clone()
                      , l = C.RotationQuaternionFromAxis(n, r, i)
                      , c = C.RotationQuaternionFromAxis(a, s, o);
                    C.Slerp(l, c, this._pointAtData.subPosition).toRotationMatrix(this._pointAtData.interpolationMatrix)
                }
            }
            ,
            e
        }()
          , Pn = function() {
            function e(e) {
                this._length = 0,
                this._points = e,
                this._length = this._computeLength(e)
            }
            return e.CreateQuadraticBezier = function(t, i, n, r) {
                r = r > 2 ? r : 3;
                for (var o = new Array, a = function(e, t, i, n) {
                    return (1 - e) * (1 - e) * t + 2 * e * (1 - e) * i + e * e * n
                }, s = 0; s <= r; s++)
                    o.push(new x(a(s / r, t.x, i.x, n.x),a(s / r, t.y, i.y, n.y),a(s / r, t.z, i.z, n.z)));
                return new e(o)
            }
            ,
            e.CreateCubicBezier = function(t, i, n, r, o) {
                o = o > 3 ? o : 4;
                for (var a = new Array, s = function(e, t, i, n, r) {
                    return (1 - e) * (1 - e) * (1 - e) * t + 3 * e * (1 - e) * (1 - e) * i + 3 * e * e * (1 - e) * n + e * e * e * r
                }, l = 0; l <= o; l++)
                    a.push(new x(s(l / o, t.x, i.x, n.x, r.x),s(l / o, t.y, i.y, n.y, r.y),s(l / o, t.z, i.z, n.z, r.z)));
                return new e(a)
            }
            ,
            e.CreateHermiteSpline = function(t, i, n, r, o) {
                for (var a = new Array, s = 1 / o, l = 0; l <= o; l++)
                    a.push(x.Hermite(t, i, n, r, l * s));
                return new e(a)
            }
            ,
            e.CreateCatmullRomSpline = function(t, i, n) {
                var r = new Array
                  , o = 1 / i
                  , a = 0;
                if (n) {
                    for (var s = t.length, l = 0; l < s; l++) {
                        a = 0;
                        for (var c = 0; c < i; c++)
                            r.push(x.CatmullRom(t[l % s], t[(l + 1) % s], t[(l + 2) % s], t[(l + 3) % s], a)),
                            a += o
                    }
                    r.push(r[0])
                } else {
                    var u = new Array;
                    for (u.push(t[0].clone()),
                    Array.prototype.push.apply(u, t),
                    u.push(t[t.length - 1].clone()),
                    l = 0; l < u.length - 3; l++)
                        for (a = 0,
                        c = 0; c < i; c++)
                            r.push(x.CatmullRom(u[l], u[l + 1], u[l + 2], u[l + 3], a)),
                            a += o;
                    l--,
                    r.push(x.CatmullRom(u[l], u[l + 1], u[l + 2], u[l + 3], a))
                }
                return new e(r)
            }
            ,
            e.prototype.getPoints = function() {
                return this._points
            }
            ,
            e.prototype.length = function() {
                return this._length
            }
            ,
            e.prototype.continue = function(t) {
                for (var i = this._points[this._points.length - 1], n = this._points.slice(), r = t.getPoints(), o = 1; o < r.length; o++)
                    n.push(r[o].subtract(r[0]).add(i));
                return new e(n)
            }
            ,
            e.prototype._computeLength = function(e) {
                for (var t = 0, i = 1; i < e.length; i++)
                    t += e[i].subtract(e[i - 1]).length();
                return t
            }
            ,
            e
        }()
          , Mn = function() {
            function e() {
                this._easingMode = e.EASINGMODE_EASEIN
            }
            return e.prototype.setEasingMode = function(e) {
                var t = Math.min(Math.max(e, 0), 2);
                this._easingMode = t
            }
            ,
            e.prototype.getEasingMode = function() {
                return this._easingMode
            }
            ,
            e.prototype.easeInCore = function(e) {
                throw new Error("You must implement this method")
            }
            ,
            e.prototype.ease = function(t) {
                switch (this._easingMode) {
                case e.EASINGMODE_EASEIN:
                    return this.easeInCore(t);
                case e.EASINGMODE_EASEOUT:
                    return 1 - this.easeInCore(1 - t)
                }
                return t >= .5 ? .5 * (1 - this.easeInCore(2 * (1 - t))) + .5 : .5 * this.easeInCore(2 * t)
            }
            ,
            e.EASINGMODE_EASEIN = 0,
            e.EASINGMODE_EASEOUT = 1,
            e.EASINGMODE_EASEINOUT = 2,
            e
        }()
          , In = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return e = Math.max(0, Math.min(1, e)),
                1 - Math.sqrt(1 - e * e)
            }
            ,
            t
        }(Mn)
          , On = function(e) {
            function t(t) {
                void 0 === t && (t = 1);
                var i = e.call(this) || this;
                return i.amplitude = t,
                i
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                var t = Math.max(0, this.amplitude);
                return Math.pow(e, 3) - e * t * Math.sin(3.141592653589793 * e)
            }
            ,
            t
        }(Mn)
          , Dn = function(e) {
            function t(t, i) {
                void 0 === t && (t = 3),
                void 0 === i && (i = 2);
                var n = e.call(this) || this;
                return n.bounces = t,
                n.bounciness = i,
                n
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                var t = Math.max(0, this.bounces)
                  , i = this.bounciness;
                i <= 1 && (i = 1.001);
                var n = Math.pow(i, t)
                  , r = 1 - i
                  , o = (1 - n) / r + .5 * n
                  , a = e * o
                  , s = Math.log(-a * (1 - i) + 1) / Math.log(i)
                  , l = Math.floor(s)
                  , c = l + 1
                  , u = (1 - Math.pow(i, l)) / (r * o)
                  , h = .5 * (u + (1 - Math.pow(i, c)) / (r * o))
                  , d = e - h
                  , p = h - u;
                return -Math.pow(1 / i, t - l) / (p * p) * (d - p) * (d + p)
            }
            ,
            t
        }(Mn)
          , Nn = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return e * e * e
            }
            ,
            t
        }(Mn)
          , Ln = function(e) {
            function t(t, i) {
                void 0 === t && (t = 3),
                void 0 === i && (i = 3);
                var n = e.call(this) || this;
                return n.oscillations = t,
                n.springiness = i,
                n
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                var t = Math.max(0, this.oscillations)
                  , i = Math.max(0, this.springiness);
                return (0 == i ? e : (Math.exp(i * e) - 1) / (Math.exp(i) - 1)) * Math.sin((6.283185307179586 * t + 1.5707963267948966) * e)
            }
            ,
            t
        }(Mn)
          , Fn = function(e) {
            function t(t) {
                void 0 === t && (t = 2);
                var i = e.call(this) || this;
                return i.exponent = t,
                i
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return this.exponent <= 0 ? e : (Math.exp(this.exponent * e) - 1) / (Math.exp(this.exponent) - 1)
            }
            ,
            t
        }(Mn)
          , wn = function(e) {
            function t(t) {
                void 0 === t && (t = 2);
                var i = e.call(this) || this;
                return i.power = t,
                i
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                var t = Math.max(0, this.power);
                return Math.pow(e, t)
            }
            ,
            t
        }(Mn)
          , Bn = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return e * e
            }
            ,
            t
        }(Mn)
          , Un = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return e * e * e * e
            }
            ,
            t
        }(Mn)
          , Vn = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return e * e * e * e * e
            }
            ,
            t
        }(Mn)
          , kn = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return 1 - Math.sin(1.5707963267948966 * (1 - e))
            }
            ,
            t
        }(Mn)
          , Gn = function(e) {
            function t(t, i, n, r) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 1),
                void 0 === r && (r = 1);
                var o = e.call(this) || this;
                return o.x1 = t,
                o.y1 = i,
                o.x2 = n,
                o.y2 = r,
                o
            }
            return U(t, e),
            t.prototype.easeInCore = function(e) {
                return Sn.Interpolate(e, this.x1, this.y1, this.x2, this.y2)
            }
            ,
            t
        }(Mn)
          , zn = function() {
            function e(e, t, i) {
                this.frame = e,
                this.action = t,
                this.onlyOnce = i,
                this.isDone = !1
            }
            return e.prototype._clone = function() {
                return new e(this.frame,this.action,this.onlyOnce)
            }
            ,
            e
        }()
          , Wn = function() {
            function e() {}
            return e.prototype.getClassName = function() {
                return "TargetedAnimation"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.animation = this.animation.serialize(),
                e.targetId = this.target.id,
                e
            }
            ,
            e
        }()
          , Hn = function() {
            function e(e, t) {
                void 0 === t && (t = null),
                this.name = e,
                this._targetedAnimations = new Array,
                this._animatables = new Array,
                this._from = Number.MAX_VALUE,
                this._to = -Number.MAX_VALUE,
                this._speedRatio = 1,
                this._loopAnimation = !1,
                this._isAdditive = !1,
                this._parentContainer = null,
                this.onAnimationEndObservable = new h,
                this.onAnimationLoopObservable = new h,
                this.onAnimationGroupLoopObservable = new h,
                this.onAnimationGroupEndObservable = new h,
                this.onAnimationGroupPauseObservable = new h,
                this.onAnimationGroupPlayObservable = new h,
                this.metadata = null,
                this._scene = t || E.LastCreatedScene,
                this.uniqueId = this._scene.getUniqueId(),
                this._scene.addAnimationGroup(this)
            }
            return Object.defineProperty(e.prototype, "from", {
                get: function() {
                    return this._from
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "to", {
                get: function() {
                    return this._to
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isStarted", {
                get: function() {
                    return this._isStarted
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isPlaying", {
                get: function() {
                    return this._isStarted && !this._isPaused
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "speedRatio", {
                get: function() {
                    return this._speedRatio
                },
                set: function(e) {
                    if (this._speedRatio !== e) {
                        this._speedRatio = e;
                        for (var t = 0; t < this._animatables.length; t++)
                            this._animatables[t].speedRatio = this._speedRatio
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "loopAnimation", {
                get: function() {
                    return this._loopAnimation
                },
                set: function(e) {
                    if (this._loopAnimation !== e) {
                        this._loopAnimation = e;
                        for (var t = 0; t < this._animatables.length; t++)
                            this._animatables[t].loopAnimation = this._loopAnimation
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isAdditive", {
                get: function() {
                    return this._isAdditive
                },
                set: function(e) {
                    if (this._isAdditive !== e) {
                        this._isAdditive = e;
                        for (var t = 0; t < this._animatables.length; t++)
                            this._animatables[t].isAdditive = this._isAdditive
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "targetedAnimations", {
                get: function() {
                    return this._targetedAnimations
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "animatables", {
                get: function() {
                    return this._animatables
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "children", {
                get: function() {
                    return this._targetedAnimations
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addTargetedAnimation = function(e, t) {
                var i = new Wn;
                i.animation = e,
                i.target = t;
                var n = e.getKeys();
                return this._from > n[0].frame && (this._from = n[0].frame),
                this._to < n[n.length - 1].frame && (this._to = n[n.length - 1].frame),
                this._targetedAnimations.push(i),
                i
            }
            ,
            e.prototype.normalize = function(e, t) {
                void 0 === e && (e = null),
                void 0 === t && (t = null),
                null == e && (e = this._from),
                null == t && (t = this._to);
                for (var i = 0; i < this._targetedAnimations.length; i++) {
                    var n = this._targetedAnimations[i].animation.getKeys()
                      , r = n[0]
                      , o = n[n.length - 1];
                    if (r.frame > e) {
                        var a = {
                            frame: e,
                            value: r.value,
                            inTangent: r.inTangent,
                            outTangent: r.outTangent,
                            interpolation: r.interpolation
                        };
                        n.splice(0, 0, a)
                    }
                    o.frame < t && (a = {
                        frame: t,
                        value: o.value,
                        inTangent: o.inTangent,
                        outTangent: o.outTangent,
                        interpolation: o.interpolation
                    },
                    n.push(a))
                }
                return this._from = e,
                this._to = t,
                this
            }
            ,
            e.prototype._processLoop = function(e, t, i) {
                var n = this;
                e.onAnimationLoop = function() {
                    n.onAnimationLoopObservable.notifyObservers(t),
                    n._animationLoopFlags[i] || (n._animationLoopFlags[i] = !0,
                    n._animationLoopCount++,
                    n._animationLoopCount === n._targetedAnimations.length && (n.onAnimationGroupLoopObservable.notifyObservers(n),
                    n._animationLoopCount = 0,
                    n._animationLoopFlags = []))
                }
            }
            ,
            e.prototype.start = function(e, t, i, n, r) {
                var o = this;
                if (void 0 === e && (e = !1),
                void 0 === t && (t = 1),
                this._isStarted || 0 === this._targetedAnimations.length)
                    return this;
                this._loopAnimation = e,
                this._animationLoopCount = 0,
                this._animationLoopFlags = [];
                for (var a = function(a) {
                    var l = s._targetedAnimations[a]
                      , c = s._scene.beginDirectAnimation(l.target, [l.animation], void 0 !== i ? i : s._from, void 0 !== n ? n : s._to, e, t, void 0, void 0, void 0 !== r ? r : s._isAdditive);
                    c.onAnimationEnd = function() {
                        o.onAnimationEndObservable.notifyObservers(l),
                        o._checkAnimationGroupEnded(c)
                    }
                    ,
                    s._processLoop(c, l, a),
                    s._animatables.push(c)
                }, s = this, l = 0; l < this._targetedAnimations.length; l++)
                    a(l);
                return this._speedRatio = t,
                this._isStarted = !0,
                this._isPaused = !1,
                this.onAnimationGroupPlayObservable.notifyObservers(this),
                this
            }
            ,
            e.prototype.pause = function() {
                if (!this._isStarted)
                    return this;
                this._isPaused = !0;
                for (var e = 0; e < this._animatables.length; e++)
                    this._animatables[e].pause();
                return this.onAnimationGroupPauseObservable.notifyObservers(this),
                this
            }
            ,
            e.prototype.play = function(e) {
                return this.isStarted && this._animatables.length === this._targetedAnimations.length ? (void 0 !== e && (this.loopAnimation = e),
                this.restart()) : (this.stop(),
                this.start(e, this._speedRatio)),
                this._isPaused = !1,
                this
            }
            ,
            e.prototype.reset = function() {
                if (!this._isStarted)
                    return this.play(),
                    this.goToFrame(0),
                    this.stop(),
                    this;
                for (var e = 0; e < this._animatables.length; e++)
                    this._animatables[e].reset();
                return this
            }
            ,
            e.prototype.restart = function() {
                if (!this._isStarted)
                    return this;
                for (var e = 0; e < this._animatables.length; e++)
                    this._animatables[e].restart();
                return this.onAnimationGroupPlayObservable.notifyObservers(this),
                this
            }
            ,
            e.prototype.stop = function() {
                if (!this._isStarted)
                    return this;
                for (var e = this._animatables.slice(), t = 0; t < e.length; t++)
                    e[t].stop();
                return this._isStarted = !1,
                this
            }
            ,
            e.prototype.setWeightForAllAnimatables = function(e) {
                for (var t = 0; t < this._animatables.length; t++)
                    this._animatables[t].weight = e;
                return this
            }
            ,
            e.prototype.syncAllAnimationsWith = function(e) {
                for (var t = 0; t < this._animatables.length; t++)
                    this._animatables[t].syncWith(e);
                return this
            }
            ,
            e.prototype.goToFrame = function(e) {
                if (!this._isStarted)
                    return this;
                for (var t = 0; t < this._animatables.length; t++)
                    this._animatables[t].goToFrame(e);
                return this
            }
            ,
            e.prototype.dispose = function() {
                this._targetedAnimations = [],
                this._animatables = [];
                var e = this._scene.animationGroups.indexOf(this);
                if (e > -1 && this._scene.animationGroups.splice(e, 1),
                this._parentContainer) {
                    var t = this._parentContainer.animationGroups.indexOf(this);
                    t > -1 && this._parentContainer.animationGroups.splice(t, 1),
                    this._parentContainer = null
                }
                this.onAnimationEndObservable.clear(),
                this.onAnimationGroupEndObservable.clear(),
                this.onAnimationGroupPauseObservable.clear(),
                this.onAnimationGroupPlayObservable.clear(),
                this.onAnimationLoopObservable.clear(),
                this.onAnimationGroupLoopObservable.clear()
            }
            ,
            e.prototype._checkAnimationGroupEnded = function(e) {
                var t = this._animatables.indexOf(e);
                t > -1 && this._animatables.splice(t, 1),
                0 === this._animatables.length && (this._isStarted = !1,
                this.onAnimationGroupEndObservable.notifyObservers(this))
            }
            ,
            e.prototype.clone = function(t, i, n) {
                void 0 === n && (n = !1);
                for (var r = new e(t || this.name,this._scene), o = 0, a = this._targetedAnimations; o < a.length; o++) {
                    var s = a[o];
                    r.addTargetedAnimation(n ? s.animation.clone() : s.animation, i ? i(s.target) : s.target)
                }
                return r
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                e.name = this.name,
                e.from = this.from,
                e.to = this.to,
                e.targetedAnimations = [];
                for (var t = 0; t < this.targetedAnimations.length; t++) {
                    var i = this.targetedAnimations[t];
                    e.targetedAnimations[t] = i.serialize()
                }
                return ye && ye.HasTags(this) && (e.tags = ye.GetTags(this)),
                this.metadata && (e.metadata = this.metadata),
                e
            }
            ,
            e.Parse = function(t, i) {
                for (var n = new e(t.name,i), r = 0; r < t.targetedAnimations.length; r++) {
                    var o = t.targetedAnimations[r]
                      , a = Qe.Parse(o.animation)
                      , s = o.targetId;
                    if ("influence" === o.animation.property) {
                        var l = i.getMorphTargetById(s);
                        l && n.addTargetedAnimation(a, l)
                    } else {
                        var c = i.getNodeById(s);
                        null != c && n.addTargetedAnimation(a, c)
                    }
                }
                return null !== t.from && null !== t.to && n.normalize(t.from, t.to),
                ye && ye.AddTagsTo(n, t.tags),
                void 0 !== t.metadata && (n.metadata = t.metadata),
                n
            }
            ,
            e.MakeAnimationAdditive = function(e, t, i, n, r) {
                void 0 === t && (t = 0),
                void 0 === n && (n = !1);
                var o = e;
                n && (o = e.clone(r || o.name));
                for (var a = o.targetedAnimations, s = 0; s < a.length; s++) {
                    var l = a[s];
                    Qe.MakeAnimationAdditive(l.animation, t, i)
                }
                return o.isAdditive = !0,
                o
            }
            ,
            e.prototype.getClassName = function() {
                return "AnimationGroup"
            }
            ,
            e.prototype.toString = function(e) {
                var t = "Name: " + this.name;
                return t += ", type: " + this.getClassName(),
                e && (t += ", from: " + this._from,
                t += ", to: " + this._to,
                t += ", isStarted: " + this._isStarted,
                t += ", speedRatio: " + this._speedRatio,
                t += ", targetedAnimations length: " + this._targetedAnimations.length,
                t += ", animatables length: " + this._animatables),
                t
            }
            ,
            e
        }()
          , Xn = function() {
            function e(e) {
                this._path = e,
                this._onchange = new Array,
                this.value = 0,
                this.animations = new Array
            }
            return e.prototype.getPoint = function() {
                var e = this._path.getPointAtLengthPosition(this.value);
                return new x(e.x,0,e.y)
            }
            ,
            e.prototype.moveAhead = function(e) {
                return void 0 === e && (e = .002),
                this.move(e),
                this
            }
            ,
            e.prototype.moveBack = function(e) {
                return void 0 === e && (e = .002),
                this.move(-e),
                this
            }
            ,
            e.prototype.move = function(e) {
                if (Math.abs(e) > 1)
                    throw "step size should be less than 1.";
                return this.value += e,
                this._ensureLimits(),
                this._raiseOnChange(),
                this
            }
            ,
            e.prototype._ensureLimits = function() {
                for (; this.value > 1; )
                    this.value -= 1;
                for (; this.value < 0; )
                    this.value += 1;
                return this
            }
            ,
            e.prototype._raiseOnChange = function() {
                var e = this;
                return this._onchange.forEach((function(t) {
                    return t(e)
                }
                )),
                this
            }
            ,
            e.prototype.onchange = function(e) {
                return this._onchange.push(e),
                this
            }
            ,
            e
        }();
        function jn(e, t, i) {
            try {
                var n = e.next();
                n.done ? t(n) : n.value ? n.value.then((function() {
                    n.value = void 0,
                    t(n)
                }
                ), i) : t(n)
            } catch (e) {
                i(e)
            }
        }
        function Yn(e) {
            var t;
            return void 0 === e && (e = 25),
            function(i, n, r) {
                var o = performance.now();
                void 0 === t || o - t > e ? (t = o,
                setTimeout((function() {
                    jn(i, n, r)
                }
                ), 0)) : jn(i, n, r)
            }
        }
        function Kn(e, t, i, n, r) {
            var o = function() {
                var a, s = function(e) {
                    e.done ? i(e.value) : void 0 === a ? a = !0 : o()
                };
                do {
                    a = void 0,
                    r && r.aborted ? n(new Error("Aborted")) : t(e, s, n),
                    void 0 === a && (a = !1)
                } while (a)
            };
            o()
        }
        function Qn(e, t) {
            var i;
            return Kn(e, jn, (function(e) {
                return i = e
            }
            ), (function(e) {
                throw e
            }
            ), t),
            i
        }
        function qn(e, t, i) {
            return new Promise((function(n, r) {
                Kn(e, t, n, r, i)
            }
            ))
        }
        function Zn(e, t) {
            return function() {
                for (var i = [], n = 0; n < arguments.length; n++)
                    i[n] = arguments[n];
                return Qn(e.apply(void 0, i), t)
            }
        }
        function Jn(e, t, i) {
            return function() {
                for (var n = [], r = 0; r < arguments.length; r++)
                    n[r] = arguments[r];
                return qn(e.apply(void 0, n), t, i)
            }
        }
        var $n = function() {
            function e() {
                this._applyTo = Zn(this._applyToCoroutine.bind(this))
            }
            return e.prototype.set = function(e, t) {
                switch (e.length || K.Warn("Setting vertex data kind '".concat(t, "' with an empty array")),
                t) {
                case Bi.PositionKind:
                    this.positions = e;
                    break;
                case Bi.NormalKind:
                    this.normals = e;
                    break;
                case Bi.TangentKind:
                    this.tangents = e;
                    break;
                case Bi.UVKind:
                    this.uvs = e;
                    break;
                case Bi.UV2Kind:
                    this.uvs2 = e;
                    break;
                case Bi.UV3Kind:
                    this.uvs3 = e;
                    break;
                case Bi.UV4Kind:
                    this.uvs4 = e;
                    break;
                case Bi.UV5Kind:
                    this.uvs5 = e;
                    break;
                case Bi.UV6Kind:
                    this.uvs6 = e;
                    break;
                case Bi.ColorKind:
                    this.colors = e;
                    break;
                case Bi.MatricesIndicesKind:
                    this.matricesIndices = e;
                    break;
                case Bi.MatricesWeightsKind:
                    this.matricesWeights = e;
                    break;
                case Bi.MatricesIndicesExtraKind:
                    this.matricesIndicesExtra = e;
                    break;
                case Bi.MatricesWeightsExtraKind:
                    this.matricesWeightsExtra = e
                }
            }
            ,
            e.prototype.applyToMesh = function(e, t) {
                return this._applyTo(e, t, !1),
                this
            }
            ,
            e.prototype.applyToGeometry = function(e, t) {
                return this._applyTo(e, t, !1),
                this
            }
            ,
            e.prototype.updateMesh = function(e) {
                return this._update(e),
                this
            }
            ,
            e.prototype.updateGeometry = function(e) {
                return this._update(e),
                this
            }
            ,
            e.prototype._applyToCoroutine = function(e, t, i) {
                return void 0 === t && (t = !1),
                z(this, (function(n) {
                    switch (n.label) {
                    case 0:
                        return this.positions ? (e.setVerticesData(Bi.PositionKind, this.positions, t),
                        i ? [4] : [3, 2]) : [3, 2];
                    case 1:
                        n.sent(),
                        n.label = 2;
                    case 2:
                        return this.normals ? (e.setVerticesData(Bi.NormalKind, this.normals, t),
                        i ? [4] : [3, 4]) : [3, 4];
                    case 3:
                        n.sent(),
                        n.label = 4;
                    case 4:
                        return this.tangents ? (e.setVerticesData(Bi.TangentKind, this.tangents, t),
                        i ? [4] : [3, 6]) : [3, 6];
                    case 5:
                        n.sent(),
                        n.label = 6;
                    case 6:
                        return this.uvs ? (e.setVerticesData(Bi.UVKind, this.uvs, t),
                        i ? [4] : [3, 8]) : [3, 8];
                    case 7:
                        n.sent(),
                        n.label = 8;
                    case 8:
                        return this.uvs2 ? (e.setVerticesData(Bi.UV2Kind, this.uvs2, t),
                        i ? [4] : [3, 10]) : [3, 10];
                    case 9:
                        n.sent(),
                        n.label = 10;
                    case 10:
                        return this.uvs3 ? (e.setVerticesData(Bi.UV3Kind, this.uvs3, t),
                        i ? [4] : [3, 12]) : [3, 12];
                    case 11:
                        n.sent(),
                        n.label = 12;
                    case 12:
                        return this.uvs4 ? (e.setVerticesData(Bi.UV4Kind, this.uvs4, t),
                        i ? [4] : [3, 14]) : [3, 14];
                    case 13:
                        n.sent(),
                        n.label = 14;
                    case 14:
                        return this.uvs5 ? (e.setVerticesData(Bi.UV5Kind, this.uvs5, t),
                        i ? [4] : [3, 16]) : [3, 16];
                    case 15:
                        n.sent(),
                        n.label = 16;
                    case 16:
                        return this.uvs6 ? (e.setVerticesData(Bi.UV6Kind, this.uvs6, t),
                        i ? [4] : [3, 18]) : [3, 18];
                    case 17:
                        n.sent(),
                        n.label = 18;
                    case 18:
                        return this.colors ? (e.setVerticesData(Bi.ColorKind, this.colors, t),
                        i ? [4] : [3, 20]) : [3, 20];
                    case 19:
                        n.sent(),
                        n.label = 20;
                    case 20:
                        return this.matricesIndices ? (e.setVerticesData(Bi.MatricesIndicesKind, this.matricesIndices, t),
                        i ? [4] : [3, 22]) : [3, 22];
                    case 21:
                        n.sent(),
                        n.label = 22;
                    case 22:
                        return this.matricesWeights ? (e.setVerticesData(Bi.MatricesWeightsKind, this.matricesWeights, t),
                        i ? [4] : [3, 24]) : [3, 24];
                    case 23:
                        n.sent(),
                        n.label = 24;
                    case 24:
                        return this.matricesIndicesExtra ? (e.setVerticesData(Bi.MatricesIndicesExtraKind, this.matricesIndicesExtra, t),
                        i ? [4] : [3, 26]) : [3, 26];
                    case 25:
                        n.sent(),
                        n.label = 26;
                    case 26:
                        return this.matricesWeightsExtra ? (e.setVerticesData(Bi.MatricesWeightsExtraKind, this.matricesWeightsExtra, t),
                        i ? [4] : [3, 28]) : [3, 28];
                    case 27:
                        n.sent(),
                        n.label = 28;
                    case 28:
                        return this.indices ? (e.setIndices(this.indices, null, t),
                        i ? [4] : [3, 30]) : [3, 31];
                    case 29:
                        n.sent(),
                        n.label = 30;
                    case 30:
                        return [3, 32];
                    case 31:
                        e.setIndices([], null),
                        n.label = 32;
                    case 32:
                        return [2, this]
                    }
                }
                ))
            }
            ,
            e.prototype._update = function(e, t, i) {
                return this.positions && e.updateVerticesData(Bi.PositionKind, this.positions, t, i),
                this.normals && e.updateVerticesData(Bi.NormalKind, this.normals, t, i),
                this.tangents && e.updateVerticesData(Bi.TangentKind, this.tangents, t, i),
                this.uvs && e.updateVerticesData(Bi.UVKind, this.uvs, t, i),
                this.uvs2 && e.updateVerticesData(Bi.UV2Kind, this.uvs2, t, i),
                this.uvs3 && e.updateVerticesData(Bi.UV3Kind, this.uvs3, t, i),
                this.uvs4 && e.updateVerticesData(Bi.UV4Kind, this.uvs4, t, i),
                this.uvs5 && e.updateVerticesData(Bi.UV5Kind, this.uvs5, t, i),
                this.uvs6 && e.updateVerticesData(Bi.UV6Kind, this.uvs6, t, i),
                this.colors && e.updateVerticesData(Bi.ColorKind, this.colors, t, i),
                this.matricesIndices && e.updateVerticesData(Bi.MatricesIndicesKind, this.matricesIndices, t, i),
                this.matricesWeights && e.updateVerticesData(Bi.MatricesWeightsKind, this.matricesWeights, t, i),
                this.matricesIndicesExtra && e.updateVerticesData(Bi.MatricesIndicesExtraKind, this.matricesIndicesExtra, t, i),
                this.matricesWeightsExtra && e.updateVerticesData(Bi.MatricesWeightsExtraKind, this.matricesWeightsExtra, t, i),
                this.indices && e.setIndices(this.indices, null),
                this
            }
            ,
            e._TransformVector3Coordinates = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = e.length);
                for (var r = I.Vector3[0], o = I.Vector3[1], a = i; a < i + n; a += 3)
                    x.FromArrayToRef(e, a, r),
                    x.TransformCoordinatesToRef(r, t, o),
                    e[a] = o.x,
                    e[a + 1] = o.y,
                    e[a + 2] = o.z
            }
            ,
            e._TransformVector3Normals = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = e.length);
                for (var r = I.Vector3[0], o = I.Vector3[1], a = i; a < i + n; a += 3)
                    x.FromArrayToRef(e, a, r),
                    x.TransformNormalToRef(r, t, o),
                    e[a] = o.x,
                    e[a + 1] = o.y,
                    e[a + 2] = o.z
            }
            ,
            e._TransformVector4Normals = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = e.length);
                for (var r = I.Vector4[0], o = I.Vector4[1], a = i; a < i + n; a += 4)
                    R.FromArrayToRef(e, a, r),
                    R.TransformNormalToRef(r, t, o),
                    e[a] = o.x,
                    e[a + 1] = o.y,
                    e[a + 2] = o.z,
                    e[a + 3] = o.w
            }
            ,
            e._FlipFaces = function(e, t, i) {
                void 0 === t && (t = 0),
                void 0 === i && (i = e.length);
                for (var n = t; n < t + i; n += 3) {
                    var r = e[n + 1];
                    e[n + 1] = e[n + 2],
                    e[n + 2] = r
                }
            }
            ,
            e.prototype.transform = function(t) {
                var i = t.determinant() < 0;
                return this.positions && e._TransformVector3Coordinates(this.positions, t),
                this.normals && e._TransformVector3Normals(this.normals, t),
                this.tangents && e._TransformVector4Normals(this.tangents, t),
                i && this.indices && e._FlipFaces(this.indices),
                this
            }
            ,
            e.prototype.merge = function(e, t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = !1);
                var n = Array.isArray(e) ? e.map((function(e) {
                    return [e, void 0]
                }
                )) : [[e, void 0]];
                return Qn(this._mergeCoroutine(void 0, n, t, !1, i))
            }
            ,
            e.prototype._mergeCoroutine = function(t, i, n, r, o) {
                var a, s, l, c, u, h, d, p, f, _, m, g, v, y, b, T, E, S, A, x = this;
                return void 0 === n && (n = !1),
                z(this, (function(R) {
                    switch (R.label) {
                    case 0:
                        for (this._validate(),
                        a = i.map((function(e) {
                            return e[0]
                        }
                        )),
                        s = 0,
                        l = a; s < l.length; s++)
                            if ((v = l[s])._validate(),
                            !this.normals != !v.normals || !this.tangents != !v.tangents || !this.uvs != !v.uvs || !this.uvs2 != !v.uvs2 || !this.uvs3 != !v.uvs3 || !this.uvs4 != !v.uvs4 || !this.uvs5 != !v.uvs5 || !this.uvs6 != !v.uvs6 || !this.colors != !v.colors || !this.matricesIndices != !v.matricesIndices || !this.matricesWeights != !v.matricesWeights || !this.matricesIndicesExtra != !v.matricesIndicesExtra || !this.matricesWeightsExtra != !v.matricesWeightsExtra)
                                throw new Error("Cannot merge vertex data that do not have the same set of attributes");
                        if (c = a.reduce((function(e, t) {
                            var i, n;
                            return e + (null !== (n = null === (i = t.indices) || void 0 === i ? void 0 : i.length) && void 0 !== n ? n : 0)
                        }
                        ), null !== (E = null === (T = this.indices) || void 0 === T ? void 0 : T.length) && void 0 !== E ? E : 0),
                        u = o || a.some((function(e) {
                            return e.indices === x.indices
                        }
                        )),
                        h = u ? null === (S = this.indices) || void 0 === S ? void 0 : S.slice() : this.indices,
                        !(c > 0))
                            return [3, 4];
                        d = null !== (A = null == h ? void 0 : h.length) && void 0 !== A ? A : 0,
                        h || (h = new Array(c)),
                        h.length !== c && (Array.isArray(h) ? h.length = c : ((p = n || h instanceof Uint32Array ? new Uint32Array(c) : new Uint16Array(c)).set(h),
                        h = p),
                        t && t.determinant() < 0 && e._FlipFaces(h, 0, d)),
                        f = this.positions ? this.positions.length / 3 : 0,
                        _ = 0,
                        m = i,
                        R.label = 1;
                    case 1:
                        if (!(_ < m.length))
                            return [3, 4];
                        if (g = m[_],
                        v = g[0],
                        y = g[1],
                        !v.indices)
                            return [3, 3];
                        for (b = 0; b < v.indices.length; b++)
                            h[d + b] = v.indices[b] + f;
                        return y && y.determinant() < 0 && e._FlipFaces(h, d, v.indices.length),
                        f += v.positions.length / 3,
                        d += v.indices.length,
                        r ? [4] : [3, 3];
                    case 2:
                        R.sent(),
                        R.label = 3;
                    case 3:
                        return _++,
                        [3, 1];
                    case 4:
                        return this.indices = h,
                        this.positions = e._MergeElement(Bi.PositionKind, this.positions, t, i.map((function(e) {
                            return [e[0].positions, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 6];
                    case 5:
                        R.sent(),
                        R.label = 6;
                    case 6:
                        return this.normals = e._MergeElement(Bi.NormalKind, this.normals, t, i.map((function(e) {
                            return [e[0].normals, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 8];
                    case 7:
                        R.sent(),
                        R.label = 8;
                    case 8:
                        return this.tangents = e._MergeElement(Bi.TangentKind, this.tangents, t, i.map((function(e) {
                            return [e[0].tangents, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 10];
                    case 9:
                        R.sent(),
                        R.label = 10;
                    case 10:
                        return this.uvs = e._MergeElement(Bi.UVKind, this.uvs, t, i.map((function(e) {
                            return [e[0].uvs, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 12];
                    case 11:
                        R.sent(),
                        R.label = 12;
                    case 12:
                        return this.uvs2 = e._MergeElement(Bi.UV2Kind, this.uvs2, t, i.map((function(e) {
                            return [e[0].uvs2, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 14];
                    case 13:
                        R.sent(),
                        R.label = 14;
                    case 14:
                        return this.uvs3 = e._MergeElement(Bi.UV3Kind, this.uvs3, t, i.map((function(e) {
                            return [e[0].uvs3, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 16];
                    case 15:
                        R.sent(),
                        R.label = 16;
                    case 16:
                        return this.uvs4 = e._MergeElement(Bi.UV4Kind, this.uvs4, t, i.map((function(e) {
                            return [e[0].uvs4, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 18];
                    case 17:
                        R.sent(),
                        R.label = 18;
                    case 18:
                        return this.uvs5 = e._MergeElement(Bi.UV5Kind, this.uvs5, t, i.map((function(e) {
                            return [e[0].uvs5, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 20];
                    case 19:
                        R.sent(),
                        R.label = 20;
                    case 20:
                        return this.uvs6 = e._MergeElement(Bi.UV6Kind, this.uvs6, t, i.map((function(e) {
                            return [e[0].uvs6, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 22];
                    case 21:
                        R.sent(),
                        R.label = 22;
                    case 22:
                        return this.colors = e._MergeElement(Bi.ColorKind, this.colors, t, i.map((function(e) {
                            return [e[0].colors, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 24];
                    case 23:
                        R.sent(),
                        R.label = 24;
                    case 24:
                        return this.matricesIndices = e._MergeElement(Bi.MatricesIndicesKind, this.matricesIndices, t, i.map((function(e) {
                            return [e[0].matricesIndices, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 26];
                    case 25:
                        R.sent(),
                        R.label = 26;
                    case 26:
                        return this.matricesWeights = e._MergeElement(Bi.MatricesWeightsKind, this.matricesWeights, t, i.map((function(e) {
                            return [e[0].matricesWeights, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 28];
                    case 27:
                        R.sent(),
                        R.label = 28;
                    case 28:
                        return this.matricesIndicesExtra = e._MergeElement(Bi.MatricesIndicesExtraKind, this.matricesIndicesExtra, t, i.map((function(e) {
                            return [e[0].matricesIndicesExtra, e[1]]
                        }
                        ))),
                        r ? [4] : [3, 30];
                    case 29:
                        R.sent(),
                        R.label = 30;
                    case 30:
                        return this.matricesWeightsExtra = e._MergeElement(Bi.MatricesWeightsExtraKind, this.matricesWeightsExtra, t, i.map((function(e) {
                            return [e[0].matricesWeightsExtra, e[1]]
                        }
                        ))),
                        [2, this]
                    }
                }
                ))
            }
            ,
            e._MergeElement = function(t, i, n, r) {
                var o = r.filter((function(e) {
                    return null !== e[0] && void 0 !== e[0]
                }
                ));
                if (0 === o.length)
                    return i;
                if (!i)
                    return this._MergeElement(t, o[0][0], o[0][1], o.slice(1));
                var a = o.reduce((function(e, t) {
                    return e + t[0].length
                }
                ), i.length)
                  , s = t === Bi.PositionKind ? e._TransformVector3Coordinates : t === Bi.NormalKind ? e._TransformVector3Normals : t === Bi.TangentKind ? e._TransformVector4Normals : function() {}
                ;
                if (i instanceof Float32Array) {
                    var l = new Float32Array(a);
                    l.set(i),
                    n && s(l, n, 0, i.length);
                    for (var c = i.length, u = 0, h = o; u < h.length; u++) {
                        var d = h[u]
                          , p = d[0]
                          , f = d[1];
                        l.set(p, c),
                        f && s(l, f, c, p.length),
                        c += p.length
                    }
                    return l
                }
                for (var _ = new Array(a), m = 0; m < i.length; m++)
                    _[m] = i[m];
                n && s(_, n, 0, i.length),
                c = i.length;
                for (var g = 0, v = o; g < v.length; g++) {
                    var y = v[g]
                      , b = (p = y[0],
                    y[1]);
                    for (m = 0; m < p.length; m++)
                        _[c + m] = p[m];
                    b && s(_, b, c, p.length),
                    c += p.length
                }
                return _
            }
            ,
            e.prototype._validate = function() {
                if (!this.positions)
                    throw new ft("Positions are required",pt.MeshInvalidPositionsError);
                var e = function(e, t) {
                    var i = Bi.DeduceStride(e);
                    if (t.length % i != 0)
                        throw new Error("The " + e + "s array count must be a multiple of " + i);
                    return t.length / i
                }
                  , t = e(Bi.PositionKind, this.positions)
                  , i = function(i, n) {
                    var r = e(i, n);
                    if (r !== t)
                        throw new Error("The " + i + "s element count (" + r + ") does not match the positions count (" + t + ")")
                };
                this.normals && i(Bi.NormalKind, this.normals),
                this.tangents && i(Bi.TangentKind, this.tangents),
                this.uvs && i(Bi.UVKind, this.uvs),
                this.uvs2 && i(Bi.UV2Kind, this.uvs2),
                this.uvs3 && i(Bi.UV3Kind, this.uvs3),
                this.uvs4 && i(Bi.UV4Kind, this.uvs4),
                this.uvs5 && i(Bi.UV5Kind, this.uvs5),
                this.uvs6 && i(Bi.UV6Kind, this.uvs6),
                this.colors && i(Bi.ColorKind, this.colors),
                this.matricesIndices && i(Bi.MatricesIndicesKind, this.matricesIndices),
                this.matricesWeights && i(Bi.MatricesWeightsKind, this.matricesWeights),
                this.matricesIndicesExtra && i(Bi.MatricesIndicesExtraKind, this.matricesIndicesExtra),
                this.matricesWeightsExtra && i(Bi.MatricesWeightsExtraKind, this.matricesWeightsExtra)
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return this.positions && (e.positions = this.positions),
                this.normals && (e.normals = this.normals),
                this.tangents && (e.tangents = this.tangents),
                this.uvs && (e.uvs = this.uvs),
                this.uvs2 && (e.uvs2 = this.uvs2),
                this.uvs3 && (e.uvs3 = this.uvs3),
                this.uvs4 && (e.uvs4 = this.uvs4),
                this.uvs5 && (e.uvs5 = this.uvs5),
                this.uvs6 && (e.uvs6 = this.uvs6),
                this.colors && (e.colors = this.colors),
                this.matricesIndices && (e.matricesIndices = this.matricesIndices,
                e.matricesIndices._isExpanded = !0),
                this.matricesWeights && (e.matricesWeights = this.matricesWeights),
                this.matricesIndicesExtra && (e.matricesIndicesExtra = this.matricesIndicesExtra,
                e.matricesIndicesExtra._isExpanded = !0),
                this.matricesWeightsExtra && (e.matricesWeightsExtra = this.matricesWeightsExtra),
                e.indices = this.indices,
                e
            }
            ,
            e.ExtractFromMesh = function(t, i, n) {
                return e._ExtractFrom(t, i, n)
            }
            ,
            e.ExtractFromGeometry = function(t, i, n) {
                return e._ExtractFrom(t, i, n)
            }
            ,
            e._ExtractFrom = function(t, i, n) {
                var r = new e;
                return t.isVerticesDataPresent(Bi.PositionKind) && (r.positions = t.getVerticesData(Bi.PositionKind, i, n)),
                t.isVerticesDataPresent(Bi.NormalKind) && (r.normals = t.getVerticesData(Bi.NormalKind, i, n)),
                t.isVerticesDataPresent(Bi.TangentKind) && (r.tangents = t.getVerticesData(Bi.TangentKind, i, n)),
                t.isVerticesDataPresent(Bi.UVKind) && (r.uvs = t.getVerticesData(Bi.UVKind, i, n)),
                t.isVerticesDataPresent(Bi.UV2Kind) && (r.uvs2 = t.getVerticesData(Bi.UV2Kind, i, n)),
                t.isVerticesDataPresent(Bi.UV3Kind) && (r.uvs3 = t.getVerticesData(Bi.UV3Kind, i, n)),
                t.isVerticesDataPresent(Bi.UV4Kind) && (r.uvs4 = t.getVerticesData(Bi.UV4Kind, i, n)),
                t.isVerticesDataPresent(Bi.UV5Kind) && (r.uvs5 = t.getVerticesData(Bi.UV5Kind, i, n)),
                t.isVerticesDataPresent(Bi.UV6Kind) && (r.uvs6 = t.getVerticesData(Bi.UV6Kind, i, n)),
                t.isVerticesDataPresent(Bi.ColorKind) && (r.colors = t.getVerticesData(Bi.ColorKind, i, n)),
                t.isVerticesDataPresent(Bi.MatricesIndicesKind) && (r.matricesIndices = t.getVerticesData(Bi.MatricesIndicesKind, i, n)),
                t.isVerticesDataPresent(Bi.MatricesWeightsKind) && (r.matricesWeights = t.getVerticesData(Bi.MatricesWeightsKind, i, n)),
                t.isVerticesDataPresent(Bi.MatricesIndicesExtraKind) && (r.matricesIndicesExtra = t.getVerticesData(Bi.MatricesIndicesExtraKind, i, n)),
                t.isVerticesDataPresent(Bi.MatricesWeightsExtraKind) && (r.matricesWeightsExtra = t.getVerticesData(Bi.MatricesWeightsExtraKind, i, n)),
                r.indices = t.getIndices(i, n),
                r
            }
            ,
            e.CreateRibbon = function(e) {
                throw be("ribbonBuilder")
            }
            ,
            e.CreateBox = function(e) {
                throw be("boxBuilder")
            }
            ,
            e.CreateTiledBox = function(e) {
                throw be("tiledBoxBuilder")
            }
            ,
            e.CreateTiledPlane = function(e) {
                throw be("tiledPlaneBuilder")
            }
            ,
            e.CreateSphere = function(e) {
                throw be("sphereBuilder")
            }
            ,
            e.CreateCylinder = function(e) {
                throw be("cylinderBuilder")
            }
            ,
            e.CreateTorus = function(e) {
                throw be("torusBuilder")
            }
            ,
            e.CreateLineSystem = function(e) {
                throw be("linesBuilder")
            }
            ,
            e.CreateDashedLines = function(e) {
                throw be("linesBuilder")
            }
            ,
            e.CreateGround = function(e) {
                throw be("groundBuilder")
            }
            ,
            e.CreateTiledGround = function(e) {
                throw be("groundBuilder")
            }
            ,
            e.CreateGroundFromHeightMap = function(e) {
                throw be("groundBuilder")
            }
            ,
            e.CreatePlane = function(e) {
                throw be("planeBuilder")
            }
            ,
            e.CreateDisc = function(e) {
                throw be("discBuilder")
            }
            ,
            e.CreatePolygon = function(e, t, i, n, r, o, a) {
                throw be("polygonBuilder")
            }
            ,
            e.CreateIcoSphere = function(e) {
                throw be("icoSphereBuilder")
            }
            ,
            e.CreatePolyhedron = function(e) {
                throw be("polyhedronBuilder")
            }
            ,
            e.CreateCapsule = function(e) {
                throw void 0 === e && (e = {
                    orientation: x.Up(),
                    subdivisions: 2,
                    tessellation: 16,
                    height: 1,
                    radius: .25,
                    capSubdivisions: 6
                }),
                be("capsuleBuilder")
            }
            ,
            e.CreateTorusKnot = function(e) {
                throw be("torusKnotBuilder")
            }
            ,
            e.ComputeNormals = function(e, t, i, n) {
                var r = 0
                  , o = 0
                  , a = 0
                  , s = 0
                  , l = 0
                  , c = 0
                  , u = 0
                  , h = 0
                  , d = 0
                  , p = 0
                  , f = 0
                  , _ = 0
                  , m = 0
                  , g = 0
                  , v = 0
                  , y = 0
                  , b = 0
                  , T = 0
                  , E = 0
                  , S = 0
                  , A = !1
                  , R = !1
                  , C = !1
                  , P = !1
                  , M = 1
                  , I = 0
                  , O = null;
                n && (A = !!n.facetNormals,
                R = !!n.facetPositions,
                C = !!n.facetPartitioning,
                M = !0 === n.useRightHandedSystem ? -1 : 1,
                I = n.ratio || 0,
                P = !!n.depthSort,
                O = n.distanceTo,
                P && void 0 === O && (O = x.Zero()));
                var D = 0
                  , N = 0
                  , L = 0
                  , F = 0;
                for (C && n && n.bbSize && (D = n.subDiv.X * I / n.bbSize.x,
                N = n.subDiv.Y * I / n.bbSize.y,
                L = n.subDiv.Z * I / n.bbSize.z,
                F = n.subDiv.max * n.subDiv.max,
                n.facetPartitioning.length = 0),
                r = 0; r < e.length; r++)
                    i[r] = 0;
                var w = t.length / 3 | 0;
                for (r = 0; r < w; r++) {
                    if (m = 1 + (_ = 3 * t[3 * r]),
                    g = _ + 2,
                    y = 1 + (v = 3 * t[3 * r + 1]),
                    b = v + 2,
                    E = 1 + (T = 3 * t[3 * r + 2]),
                    S = T + 2,
                    o = e[_] - e[v],
                    a = e[m] - e[y],
                    s = e[g] - e[b],
                    l = e[T] - e[v],
                    c = e[E] - e[y],
                    h = M * (a * (u = e[S] - e[b]) - s * c),
                    d = M * (s * l - o * u),
                    p = M * (o * c - a * l),
                    h /= f = 0 === (f = Math.sqrt(h * h + d * d + p * p)) ? 1 : f,
                    d /= f,
                    p /= f,
                    A && n && (n.facetNormals[r].x = h,
                    n.facetNormals[r].y = d,
                    n.facetNormals[r].z = p),
                    R && n && (n.facetPositions[r].x = (e[_] + e[v] + e[T]) / 3,
                    n.facetPositions[r].y = (e[m] + e[y] + e[E]) / 3,
                    n.facetPositions[r].z = (e[g] + e[b] + e[S]) / 3),
                    C && n) {
                        var B = Math.floor((n.facetPositions[r].x - n.bInfo.minimum.x * I) * D)
                          , U = Math.floor((n.facetPositions[r].y - n.bInfo.minimum.y * I) * N)
                          , V = Math.floor((n.facetPositions[r].z - n.bInfo.minimum.z * I) * L)
                          , k = Math.floor((e[_] - n.bInfo.minimum.x * I) * D)
                          , G = Math.floor((e[m] - n.bInfo.minimum.y * I) * N)
                          , z = Math.floor((e[g] - n.bInfo.minimum.z * I) * L)
                          , W = Math.floor((e[v] - n.bInfo.minimum.x * I) * D)
                          , H = Math.floor((e[y] - n.bInfo.minimum.y * I) * N)
                          , X = Math.floor((e[b] - n.bInfo.minimum.z * I) * L)
                          , j = Math.floor((e[T] - n.bInfo.minimum.x * I) * D)
                          , Y = Math.floor((e[E] - n.bInfo.minimum.y * I) * N)
                          , K = Math.floor((e[S] - n.bInfo.minimum.z * I) * L)
                          , Q = k + n.subDiv.max * G + F * z
                          , q = W + n.subDiv.max * H + F * X
                          , Z = j + n.subDiv.max * Y + F * K
                          , J = B + n.subDiv.max * U + F * V;
                        n.facetPartitioning[J] = n.facetPartitioning[J] ? n.facetPartitioning[J] : new Array,
                        n.facetPartitioning[Q] = n.facetPartitioning[Q] ? n.facetPartitioning[Q] : new Array,
                        n.facetPartitioning[q] = n.facetPartitioning[q] ? n.facetPartitioning[q] : new Array,
                        n.facetPartitioning[Z] = n.facetPartitioning[Z] ? n.facetPartitioning[Z] : new Array,
                        n.facetPartitioning[Q].push(r),
                        q != Q && n.facetPartitioning[q].push(r),
                        Z != q && Z != Q && n.facetPartitioning[Z].push(r),
                        J != Q && J != q && J != Z && n.facetPartitioning[J].push(r)
                    }
                    if (P && n && n.facetPositions) {
                        var $ = n.depthSortedFacets[r];
                        $.ind = 3 * r,
                        $.sqDistance = x.DistanceSquared(n.facetPositions[r], O)
                    }
                    i[_] += h,
                    i[m] += d,
                    i[g] += p,
                    i[v] += h,
                    i[y] += d,
                    i[b] += p,
                    i[T] += h,
                    i[E] += d,
                    i[S] += p
                }
                for (r = 0; r < i.length / 3; r++)
                    h = i[3 * r],
                    d = i[3 * r + 1],
                    p = i[3 * r + 2],
                    h /= f = 0 === (f = Math.sqrt(h * h + d * d + p * p)) ? 1 : f,
                    d /= f,
                    p /= f,
                    i[3 * r] = h,
                    i[3 * r + 1] = d,
                    i[3 * r + 2] = p
            }
            ,
            e._ComputeSides = function(t, i, n, r, o, a, s) {
                var l, c, u = n.length, h = r.length;
                switch (t = t || e.DEFAULTSIDE) {
                case e.FRONTSIDE:
                    break;
                case e.BACKSIDE:
                    for (l = 0; l < u; l += 3) {
                        var d = n[l];
                        n[l] = n[l + 2],
                        n[l + 2] = d
                    }
                    for (c = 0; c < h; c++)
                        r[c] = -r[c];
                    break;
                case e.DOUBLESIDE:
                    for (var p = i.length, f = p / 3, _ = 0; _ < p; _++)
                        i[p + _] = i[_];
                    for (l = 0; l < u; l += 3)
                        n[l + u] = n[l + 2] + f,
                        n[l + 1 + u] = n[l + 1] + f,
                        n[l + 2 + u] = n[l] + f;
                    for (c = 0; c < h; c++)
                        r[h + c] = -r[c];
                    var m = o.length
                      , g = 0;
                    for (g = 0; g < m; g++)
                        o[g + m] = o[g];
                    for (a = a || new R(0,0,1,1),
                    s = s || new R(0,0,1,1),
                    g = 0,
                    l = 0; l < m / 2; l++)
                        o[g] = a.x + (a.z - a.x) * o[g],
                        o[g + 1] = a.y + (a.w - a.y) * o[g + 1],
                        o[g + m] = s.x + (s.z - s.x) * o[g + m],
                        o[g + m + 1] = s.y + (s.w - s.y) * o[g + m + 1],
                        g += 2
                }
            }
            ,
            e.ImportVertexData = function(t, i) {
                var n = new e
                  , r = t.positions;
                r && n.set(r, Bi.PositionKind);
                var o = t.normals;
                o && n.set(o, Bi.NormalKind);
                var a = t.tangents;
                a && n.set(a, Bi.TangentKind);
                var s = t.uvs;
                s && n.set(s, Bi.UVKind);
                var l = t.uv2s;
                l && n.set(l, Bi.UV2Kind);
                var c = t.uv3s;
                c && n.set(c, Bi.UV3Kind);
                var u = t.uv4s;
                u && n.set(u, Bi.UV4Kind);
                var h = t.uv5s;
                h && n.set(h, Bi.UV5Kind);
                var d = t.uv6s;
                d && n.set(d, Bi.UV6Kind);
                var p = t.colors;
                p && n.set(N.CheckColors4(p, r.length / 3), Bi.ColorKind);
                var f = t.matricesIndices;
                f && n.set(f, Bi.MatricesIndicesKind);
                var _ = t.matricesWeights;
                _ && n.set(_, Bi.MatricesWeightsKind);
                var m = t.indices;
                m && (n.indices = m),
                i.setAllVerticesData(n, t.updatable)
            }
            ,
            e.FRONTSIDE = 0,
            e.BACKSIDE = 1,
            e.DOUBLESIDE = 2,
            e.DEFAULTSIDE = 0,
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0];
                return !Array.isArray(i)
            }
            ))], e, "_TransformVector3Coordinates", null),
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0];
                return !Array.isArray(i)
            }
            ))], e, "_TransformVector3Normals", null),
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0];
                return !Array.isArray(i)
            }
            ))], e, "_TransformVector4Normals", null),
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0];
                return !Array.isArray(i)
            }
            ))], e, "_FlipFaces", null),
            e
        }()
          , er = function(e, t, i) {
            this.bu = e,
            this.bv = t,
            this.distance = i,
            this.faceId = 0,
            this.subMeshId = 0
        }
          , tr = function() {
            function e(e, t, i) {
                this.vectors = g.BuildArray(8, x.Zero),
                this.center = x.Zero(),
                this.centerWorld = x.Zero(),
                this.extendSize = x.Zero(),
                this.extendSizeWorld = x.Zero(),
                this.directions = g.BuildArray(3, x.Zero),
                this.vectorsWorld = g.BuildArray(8, x.Zero),
                this.minimumWorld = x.Zero(),
                this.maximumWorld = x.Zero(),
                this.minimum = x.Zero(),
                this.maximum = x.Zero(),
                this._drawWrapperFront = null,
                this._drawWrapperBack = null,
                this.reConstruct(e, t, i)
            }
            return e.prototype.reConstruct = function(e, t, i) {
                var n = e.x
                  , r = e.y
                  , o = e.z
                  , a = t.x
                  , s = t.y
                  , l = t.z
                  , c = this.vectors;
                this.minimum.copyFromFloats(n, r, o),
                this.maximum.copyFromFloats(a, s, l),
                c[0].copyFromFloats(n, r, o),
                c[1].copyFromFloats(a, s, l),
                c[2].copyFromFloats(a, r, o),
                c[3].copyFromFloats(n, s, o),
                c[4].copyFromFloats(n, r, l),
                c[5].copyFromFloats(a, s, o),
                c[6].copyFromFloats(n, s, l),
                c[7].copyFromFloats(a, r, l),
                t.addToRef(e, this.center).scaleInPlace(.5),
                t.subtractToRef(e, this.extendSize).scaleInPlace(.5),
                this._worldMatrix = i || P.IdentityReadOnly,
                this._update(this._worldMatrix)
            }
            ,
            e.prototype.scale = function(t) {
                var i = e._TmpVector3
                  , n = this.maximum.subtractToRef(this.minimum, i[0])
                  , r = n.length();
                n.normalizeFromLength(r);
                var o = r * t
                  , a = n.scaleInPlace(.5 * o)
                  , s = this.center.subtractToRef(a, i[1])
                  , l = this.center.addToRef(a, i[2]);
                return this.reConstruct(s, l, this._worldMatrix),
                this
            }
            ,
            e.prototype.getWorldMatrix = function() {
                return this._worldMatrix
            }
            ,
            e.prototype._update = function(e) {
                var t = this.minimumWorld
                  , i = this.maximumWorld
                  , n = this.directions
                  , r = this.vectorsWorld
                  , o = this.vectors;
                if (e.isIdentity()) {
                    for (t.copyFrom(this.minimum),
                    i.copyFrom(this.maximum),
                    a = 0; a < 8; ++a)
                        r[a].copyFrom(o[a]);
                    this.extendSizeWorld.copyFrom(this.extendSize),
                    this.centerWorld.copyFrom(this.center)
                } else {
                    t.setAll(Number.MAX_VALUE),
                    i.setAll(-Number.MAX_VALUE);
                    for (var a = 0; a < 8; ++a) {
                        var s = r[a];
                        x.TransformCoordinatesToRef(o[a], e, s),
                        t.minimizeInPlace(s),
                        i.maximizeInPlace(s)
                    }
                    i.subtractToRef(t, this.extendSizeWorld).scaleInPlace(.5),
                    i.addToRef(t, this.centerWorld).scaleInPlace(.5)
                }
                x.FromArrayToRef(e.m, 0, n[0]),
                x.FromArrayToRef(e.m, 4, n[1]),
                x.FromArrayToRef(e.m, 8, n[2]),
                this._worldMatrix = e
            }
            ,
            e.prototype.isInFrustum = function(t) {
                return e.IsInFrustum(this.vectorsWorld, t)
            }
            ,
            e.prototype.isCompletelyInFrustum = function(t) {
                return e.IsCompletelyInFrustum(this.vectorsWorld, t)
            }
            ,
            e.prototype.intersectsPoint = function(e) {
                var t = this.minimumWorld
                  , i = this.maximumWorld
                  , n = t.x
                  , r = t.y
                  , o = t.z
                  , a = i.x
                  , s = i.y
                  , l = i.z
                  , c = e.x
                  , u = e.y
                  , h = e.z
                  , d = -m;
                return !(a - c < d || d > c - n || s - u < d || d > u - r || l - h < d || d > h - o)
            }
            ,
            e.prototype.intersectsSphere = function(t) {
                return e.IntersectsSphere(this.minimumWorld, this.maximumWorld, t.centerWorld, t.radiusWorld)
            }
            ,
            e.prototype.intersectsMinMax = function(e, t) {
                var i = this.minimumWorld
                  , n = this.maximumWorld
                  , r = i.x
                  , o = i.y
                  , a = i.z
                  , s = n.x
                  , l = n.y
                  , c = n.z
                  , u = e.x
                  , h = e.y
                  , d = e.z
                  , p = t.x
                  , f = t.y
                  , _ = t.z;
                return !(s < u || r > p || l < h || o > f || c < d || a > _)
            }
            ,
            e.prototype.dispose = function() {
                var e, t;
                null === (e = this._drawWrapperFront) || void 0 === e || e.dispose(),
                null === (t = this._drawWrapperBack) || void 0 === t || t.dispose()
            }
            ,
            e.Intersects = function(e, t) {
                return e.intersectsMinMax(t.minimumWorld, t.maximumWorld)
            }
            ,
            e.IntersectsSphere = function(t, i, n, r) {
                var o = e._TmpVector3[0];
                return x.ClampToRef(n, t, i, o),
                x.DistanceSquared(n, o) <= r * r
            }
            ,
            e.IsCompletelyInFrustum = function(e, t) {
                for (var i = 0; i < 6; ++i)
                    for (var n = t[i], r = 0; r < 8; ++r)
                        if (n.dotCoordinate(e[r]) < 0)
                            return !1;
                return !0
            }
            ,
            e.IsInFrustum = function(e, t) {
                for (var i = 0; i < 6; ++i) {
                    for (var n = !0, r = t[i], o = 0; o < 8; ++o)
                        if (r.dotCoordinate(e[o]) >= 0) {
                            n = !1;
                            break
                        }
                    if (n)
                        return !1
                }
                return !0
            }
            ,
            e._TmpVector3 = g.BuildArray(3, x.Zero),
            e
        }()
          , ir = function() {
            function e(e, t, i) {
                this.center = x.Zero(),
                this.centerWorld = x.Zero(),
                this.minimum = x.Zero(),
                this.maximum = x.Zero(),
                this.reConstruct(e, t, i)
            }
            return e.prototype.reConstruct = function(e, t, i) {
                this.minimum.copyFrom(e),
                this.maximum.copyFrom(t);
                var n = x.Distance(e, t);
                t.addToRef(e, this.center).scaleInPlace(.5),
                this.radius = .5 * n,
                this._update(i || P.IdentityReadOnly)
            }
            ,
            e.prototype.scale = function(t) {
                var i = this.radius * t
                  , n = e._TmpVector3
                  , r = n[0].setAll(i)
                  , o = this.center.subtractToRef(r, n[1])
                  , a = this.center.addToRef(r, n[2]);
                return this.reConstruct(o, a, this._worldMatrix),
                this
            }
            ,
            e.prototype.getWorldMatrix = function() {
                return this._worldMatrix
            }
            ,
            e.prototype._update = function(t) {
                if (t.isIdentity())
                    this.centerWorld.copyFrom(this.center),
                    this.radiusWorld = this.radius;
                else {
                    x.TransformCoordinatesToRef(this.center, t, this.centerWorld);
                    var i = e._TmpVector3[0];
                    x.TransformNormalFromFloatsToRef(1, 1, 1, t, i),
                    this.radiusWorld = Math.max(Math.abs(i.x), Math.abs(i.y), Math.abs(i.z)) * this.radius
                }
            }
            ,
            e.prototype.isInFrustum = function(e) {
                for (var t = this.centerWorld, i = this.radiusWorld, n = 0; n < 6; n++)
                    if (e[n].dotCoordinate(t) <= -i)
                        return !1;
                return !0
            }
            ,
            e.prototype.isCenterInFrustum = function(e) {
                for (var t = this.centerWorld, i = 0; i < 6; i++)
                    if (e[i].dotCoordinate(t) < 0)
                        return !1;
                return !0
            }
            ,
            e.prototype.intersectsPoint = function(e) {
                var t = x.DistanceSquared(this.centerWorld, e);
                return !(this.radiusWorld * this.radiusWorld < t)
            }
            ,
            e.Intersects = function(e, t) {
                var i = x.DistanceSquared(e.centerWorld, t.centerWorld)
                  , n = e.radiusWorld + t.radiusWorld;
                return !(n * n < i)
            }
            ,
            e.CreateFromCenterAndRadius = function(t, i, n) {
                this._TmpVector3[0].copyFrom(t),
                this._TmpVector3[1].copyFromFloats(0, 0, i),
                this._TmpVector3[2].copyFrom(t),
                this._TmpVector3[0].addInPlace(this._TmpVector3[1]),
                this._TmpVector3[2].subtractInPlace(this._TmpVector3[1]);
                var r = new e(this._TmpVector3[0],this._TmpVector3[2]);
                return r._worldMatrix = n || P.Identity(),
                r
            }
            ,
            e._TmpVector3 = g.BuildArray(3, x.Zero),
            e
        }()
          , nr = {
            min: 0,
            max: 0
        }
          , rr = {
            min: 0,
            max: 0
        }
          , or = function(e, t, i) {
            var n = x.Dot(t.centerWorld, e)
              , r = Math.abs(x.Dot(t.directions[0], e)) * t.extendSize.x + Math.abs(x.Dot(t.directions[1], e)) * t.extendSize.y + Math.abs(x.Dot(t.directions[2], e)) * t.extendSize.z;
            i.min = n - r,
            i.max = n + r
        }
          , ar = function(e, t, i) {
            return or(e, t, nr),
            or(e, i, rr),
            !(nr.min > rr.max || rr.min > nr.max)
        }
          , sr = function() {
            function e(e, t, i) {
                this._isLocked = !1,
                this.boundingBox = new tr(e,t,i),
                this.boundingSphere = new ir(e,t,i)
            }
            return e.prototype.reConstruct = function(e, t, i) {
                this.boundingBox.reConstruct(e, t, i),
                this.boundingSphere.reConstruct(e, t, i)
            }
            ,
            Object.defineProperty(e.prototype, "minimum", {
                get: function() {
                    return this.boundingBox.minimum
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "maximum", {
                get: function() {
                    return this.boundingBox.maximum
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isLocked", {
                get: function() {
                    return this._isLocked
                },
                set: function(e) {
                    this._isLocked = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.update = function(e) {
                this._isLocked || (this.boundingBox._update(e),
                this.boundingSphere._update(e))
            }
            ,
            e.prototype.centerOn = function(t, i) {
                var n = e._TmpVector3[0].copyFrom(t).subtractInPlace(i)
                  , r = e._TmpVector3[1].copyFrom(t).addInPlace(i);
                return this.boundingBox.reConstruct(n, r, this.boundingBox.getWorldMatrix()),
                this.boundingSphere.reConstruct(n, r, this.boundingBox.getWorldMatrix()),
                this
            }
            ,
            e.prototype.encapsulate = function(e) {
                var t = x.Minimize(this.minimum, e)
                  , i = x.Maximize(this.maximum, e);
                return this.reConstruct(t, i, this.boundingBox.getWorldMatrix()),
                this
            }
            ,
            e.prototype.encapsulateBoundingInfo = function(e) {
                return this.encapsulate(e.boundingBox.centerWorld.subtract(e.boundingBox.extendSizeWorld)),
                this.encapsulate(e.boundingBox.centerWorld.add(e.boundingBox.extendSizeWorld)),
                this
            }
            ,
            e.prototype.scale = function(e) {
                return this.boundingBox.scale(e),
                this.boundingSphere.scale(e),
                this
            }
            ,
            e.prototype.isInFrustum = function(e, t) {
                return void 0 === t && (t = a.MESHES_CULLINGSTRATEGY_STANDARD),
                !(t !== a.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION && t !== a.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION_THEN_BSPHERE_ONLY || !this.boundingSphere.isCenterInFrustum(e)) || !!this.boundingSphere.isInFrustum(e) && (!(t !== a.MESHES_CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY && t !== a.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION_THEN_BSPHERE_ONLY) || this.boundingBox.isInFrustum(e))
            }
            ,
            Object.defineProperty(e.prototype, "diagonalLength", {
                get: function() {
                    var t = this.boundingBox;
                    return t.maximumWorld.subtractToRef(t.minimumWorld, e._TmpVector3[0]).length()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isCompletelyInFrustum = function(e) {
                return this.boundingBox.isCompletelyInFrustum(e)
            }
            ,
            e.prototype._checkCollision = function(e) {
                return e._canDoCollision(this.boundingSphere.centerWorld, this.boundingSphere.radiusWorld, this.boundingBox.minimumWorld, this.boundingBox.maximumWorld)
            }
            ,
            e.prototype.intersectsPoint = function(e) {
                return !!this.boundingSphere.centerWorld && !!this.boundingSphere.intersectsPoint(e) && !!this.boundingBox.intersectsPoint(e)
            }
            ,
            e.prototype.intersects = function(e, t) {
                if (!ir.Intersects(this.boundingSphere, e.boundingSphere))
                    return !1;
                if (!tr.Intersects(this.boundingBox, e.boundingBox))
                    return !1;
                if (!t)
                    return !0;
                var i = this.boundingBox
                  , n = e.boundingBox;
                return !!(ar(i.directions[0], i, n) && ar(i.directions[1], i, n) && ar(i.directions[2], i, n) && ar(n.directions[0], i, n) && ar(n.directions[1], i, n) && ar(n.directions[2], i, n) && ar(x.Cross(i.directions[0], n.directions[0]), i, n) && ar(x.Cross(i.directions[0], n.directions[1]), i, n) && ar(x.Cross(i.directions[0], n.directions[2]), i, n) && ar(x.Cross(i.directions[1], n.directions[0]), i, n) && ar(x.Cross(i.directions[1], n.directions[1]), i, n) && ar(x.Cross(i.directions[1], n.directions[2]), i, n) && ar(x.Cross(i.directions[2], n.directions[0]), i, n) && ar(x.Cross(i.directions[2], n.directions[1]), i, n) && ar(x.Cross(i.directions[2], n.directions[2]), i, n))
            }
            ,
            e._TmpVector3 = g.BuildArray(2, x.Zero),
            e
        }()
          , lr = function() {
            function e() {}
            return e.extractMinAndMaxIndexed = function(e, t, i, n, r, o) {
                for (var a = i; a < i + n; a++) {
                    var s = 3 * t[a]
                      , l = e[s]
                      , c = e[s + 1]
                      , u = e[s + 2];
                    r.minimizeInPlaceFromFloats(l, c, u),
                    o.maximizeInPlaceFromFloats(l, c, u)
                }
            }
            ,
            e.extractMinAndMax = function(e, t, i, n, r, o) {
                for (var a = t, s = t * n; a < t + i; a++,
                s += n) {
                    var l = e[s]
                      , c = e[s + 1]
                      , u = e[s + 2];
                    r.minimizeInPlaceFromFloats(l, c, u),
                    o.maximizeInPlaceFromFloats(l, c, u)
                }
            }
            ,
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0]
                  , n = e[1];
                return !Array.isArray(i) && !Array.isArray(n)
            }
            ))], e, "extractMinAndMaxIndexed", null),
            k([ze.filter((function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                var i = e[0];
                return !Array.isArray(i)
            }
            ))], e, "extractMinAndMax", null),
            e
        }();
        function cr(e, t, i, n, r) {
            void 0 === r && (r = null);
            var o = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE)
              , a = new x(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE);
            return lr.extractMinAndMaxIndexed(e, t, i, n, o, a),
            r && (o.x -= o.x * r.x + r.y,
            o.y -= o.y * r.x + r.y,
            o.z -= o.z * r.x + r.y,
            a.x += a.x * r.x + r.y,
            a.y += a.y * r.x + r.y,
            a.z += a.z * r.x + r.y),
            {
                minimum: o,
                maximum: a
            }
        }
        function ur(e, t, i, n, r) {
            void 0 === n && (n = null);
            var o = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE)
              , a = new x(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE);
            return r || (r = 3),
            lr.extractMinAndMax(e, t, i, r, o, a),
            n && (o.x -= o.x * n.x + n.y,
            o.y -= o.y * n.x + n.y,
            o.z -= o.z * n.x + n.y,
            a.x += a.x * n.x + n.y,
            a.y += a.y * n.x + n.y,
            a.z += a.z * n.x + n.y),
            {
                minimum: o,
                maximum: a
            }
        }
        var hr = function() {
            function e(e, t, i, n, r, o, a, s, l) {
                void 0 === s && (s = !0),
                void 0 === l && (l = !0),
                this.materialIndex = e,
                this.verticesStart = t,
                this.verticesCount = i,
                this.indexStart = n,
                this.indexCount = r,
                this._mainDrawWrapperOverride = null,
                this._linesIndexCount = 0,
                this._linesIndexBuffer = null,
                this._lastColliderWorldVertices = null,
                this._lastColliderTransformMatrix = null,
                this._renderId = 0,
                this._alphaIndex = 0,
                this._distanceToCamera = 0,
                this._currentMaterial = null,
                this._mesh = o,
                this._renderingMesh = a || o,
                l && o.subMeshes.push(this),
                this._engine = this._mesh.getScene().getEngine(),
                this.resetDrawCache(),
                this._trianglePlanes = [],
                this._id = o.subMeshes.length - 1,
                s && (this.refreshBoundingInfo(),
                o.computeWorldMatrix(!0))
            }
            return Object.defineProperty(e.prototype, "materialDefines", {
                get: function() {
                    var e;
                    return this._mainDrawWrapperOverride ? this._mainDrawWrapperOverride.defines : null === (e = this._getDrawWrapper()) || void 0 === e ? void 0 : e.defines
                },
                set: function(e) {
                    var t;
                    (null !== (t = this._mainDrawWrapperOverride) && void 0 !== t ? t : this._getDrawWrapper(void 0, !0)).defines = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getDrawWrapper = function(e, t) {
                void 0 === t && (t = !1),
                e = null != e ? e : this._engine.currentRenderPassId;
                var i = this._drawWrappers[e];
                return !i && t && (this._drawWrappers[e] = i = new Gt(this._mesh.getScene().getEngine())),
                i
            }
            ,
            e.prototype._removeDrawWrapper = function(e, t) {
                var i;
                void 0 === t && (t = !0),
                t && (null === (i = this._drawWrappers[e]) || void 0 === i || i.dispose()),
                this._drawWrappers[e] = void 0
            }
            ,
            Object.defineProperty(e.prototype, "effect", {
                get: function() {
                    var e, t;
                    return this._mainDrawWrapperOverride ? this._mainDrawWrapperOverride.effect : null !== (t = null === (e = this._getDrawWrapper()) || void 0 === e ? void 0 : e.effect) && void 0 !== t ? t : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_drawWrapper", {
                get: function() {
                    var e;
                    return null !== (e = this._mainDrawWrapperOverride) && void 0 !== e ? e : this._getDrawWrapper(void 0, !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_drawWrapperOverride", {
                get: function() {
                    return this._mainDrawWrapperOverride
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._setMainDrawWrapperOverride = function(e) {
                this._mainDrawWrapperOverride = e
            }
            ,
            e.prototype.setEffect = function(e, t, i, n) {
                void 0 === t && (t = null),
                void 0 === n && (n = !0);
                var r = this._drawWrapper;
                r.setEffect(e, t, n),
                void 0 !== i && (r.materialContext = i),
                e || (r.defines = null,
                r.materialContext = void 0)
            }
            ,
            e.prototype.resetDrawCache = function(e) {
                if (this._drawWrappers) {
                    if (void 0 !== e)
                        return void this._removeDrawWrapper(e);
                    for (var t = 0, i = this._drawWrappers; t < i.length; t++) {
                        var n = i[t];
                        null == n || n.dispose()
                    }
                }
                this._drawWrappers = []
            }
            ,
            e.AddToMesh = function(t, i, n, r, o, a, s, l) {
                return void 0 === l && (l = !0),
                new e(t,i,n,r,o,a,s,l)
            }
            ,
            Object.defineProperty(e.prototype, "IsGlobal", {
                get: function() {
                    return 0 === this.verticesStart && this.verticesCount === this._mesh.getTotalVertices()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getBoundingInfo = function() {
                return this.IsGlobal ? this._mesh.getBoundingInfo() : this._boundingInfo
            }
            ,
            e.prototype.setBoundingInfo = function(e) {
                return this._boundingInfo = e,
                this
            }
            ,
            e.prototype.getMesh = function() {
                return this._mesh
            }
            ,
            e.prototype.getRenderingMesh = function() {
                return this._renderingMesh
            }
            ,
            e.prototype.getReplacementMesh = function() {
                return this._mesh._internalAbstractMeshDataInfo._actAsRegularMesh ? this._mesh : null
            }
            ,
            e.prototype.getEffectiveMesh = function() {
                return (this._mesh._internalAbstractMeshDataInfo._actAsRegularMesh ? this._mesh : null) || this._renderingMesh
            }
            ,
            e.prototype.getMaterial = function() {
                var e, t = null !== (e = this._renderingMesh.getMaterialForRenderPass(this._engine.currentRenderPassId)) && void 0 !== e ? e : this._renderingMesh.material;
                if (null == t)
                    return this._mesh.getScene().defaultMaterial;
                if (this._isMultiMaterial(t)) {
                    var i = t.getSubMaterial(this.materialIndex);
                    return this._currentMaterial !== i && (this._currentMaterial = i,
                    this.resetDrawCache()),
                    i
                }
                return t
            }
            ,
            e.prototype._isMultiMaterial = function(e) {
                return void 0 !== e.getSubMaterial
            }
            ,
            e.prototype.refreshBoundingInfo = function(e) {
                if (void 0 === e && (e = null),
                this._lastColliderWorldVertices = null,
                this.IsGlobal || !this._renderingMesh || !this._renderingMesh.geometry)
                    return this;
                if (e || (e = this._renderingMesh.getVerticesData(Bi.PositionKind)),
                !e)
                    return this._boundingInfo = this._mesh.getBoundingInfo(),
                    this;
                var t, i = this._renderingMesh.getIndices();
                if (0 === this.indexStart && this.indexCount === i.length) {
                    var n = this._renderingMesh.getBoundingInfo();
                    t = {
                        minimum: n.minimum.clone(),
                        maximum: n.maximum.clone()
                    }
                } else
                    t = cr(e, i, this.indexStart, this.indexCount, this._renderingMesh.geometry.boundingBias);
                return this._boundingInfo ? this._boundingInfo.reConstruct(t.minimum, t.maximum) : this._boundingInfo = new sr(t.minimum,t.maximum),
                this
            }
            ,
            e.prototype._checkCollision = function(e) {
                return this.getBoundingInfo()._checkCollision(e)
            }
            ,
            e.prototype.updateBoundingInfo = function(e) {
                var t = this.getBoundingInfo();
                return t || (this.refreshBoundingInfo(),
                t = this.getBoundingInfo()),
                t && t.update(e),
                this
            }
            ,
            e.prototype.isInFrustum = function(e) {
                var t = this.getBoundingInfo();
                return !!t && t.isInFrustum(e, this._mesh.cullingStrategy)
            }
            ,
            e.prototype.isCompletelyInFrustum = function(e) {
                var t = this.getBoundingInfo();
                return !!t && t.isCompletelyInFrustum(e)
            }
            ,
            e.prototype.render = function(e) {
                return this._renderingMesh.render(this, e, this._mesh._internalAbstractMeshDataInfo._actAsRegularMesh ? this._mesh : void 0),
                this
            }
            ,
            e.prototype._getLinesIndexBuffer = function(e, t) {
                if (!this._linesIndexBuffer) {
                    for (var i = [], n = this.indexStart; n < this.indexStart + this.indexCount; n += 3)
                        i.push(e[n], e[n + 1], e[n + 1], e[n + 2], e[n + 2], e[n]);
                    this._linesIndexBuffer = t.createIndexBuffer(i),
                    this._linesIndexCount = i.length
                }
                return this._linesIndexBuffer
            }
            ,
            e.prototype.canIntersects = function(e) {
                var t = this.getBoundingInfo();
                return !!t && e.intersectsBox(t.boundingBox)
            }
            ,
            e.prototype.intersects = function(e, t, i, n, r) {
                var o = this.getMaterial();
                if (!o)
                    return null;
                var s = 3
                  , l = !1;
                switch (o.fillMode) {
                case a.MATERIAL_PointListDrawMode:
                case a.MATERIAL_LineLoopDrawMode:
                case a.MATERIAL_LineStripDrawMode:
                case a.MATERIAL_TriangleFanDrawMode:
                    return null;
                case a.MATERIAL_TriangleStripDrawMode:
                    s = 1,
                    l = !0
                }
                return o.fillMode === a.MATERIAL_LineListDrawMode ? i.length ? this._intersectLines(e, t, i, this._mesh.intersectionThreshold, n) : this._intersectUnIndexedLines(e, t, i, this._mesh.intersectionThreshold, n) : !i.length && this._mesh._unIndexed ? this._intersectUnIndexedTriangles(e, t, i, n, r) : this._intersectTriangles(e, t, i, s, l, n, r)
            }
            ,
            e.prototype._intersectLines = function(e, t, i, n, r) {
                for (var o = null, a = this.indexStart; a < this.indexStart + this.indexCount; a += 2) {
                    var s = t[i[a]]
                      , l = t[i[a + 1]]
                      , c = e.intersectionSegment(s, l, n);
                    if (!(c < 0) && (r || !o || c < o.distance) && ((o = new er(null,null,c)).faceId = a / 2,
                    r))
                        break
                }
                return o
            }
            ,
            e.prototype._intersectUnIndexedLines = function(e, t, i, n, r) {
                for (var o = null, a = this.verticesStart; a < this.verticesStart + this.verticesCount; a += 2) {
                    var s = t[a]
                      , l = t[a + 1]
                      , c = e.intersectionSegment(s, l, n);
                    if (!(c < 0) && (r || !o || c < o.distance) && ((o = new er(null,null,c)).faceId = a / 2,
                    r))
                        break
                }
                return o
            }
            ,
            e.prototype._intersectTriangles = function(e, t, i, n, r, o, a) {
                for (var s = null, l = -1, c = this.indexStart; c < this.indexStart + this.indexCount - (3 - n); c += n) {
                    l++;
                    var u = i[c]
                      , h = i[c + 1]
                      , d = i[c + 2];
                    if (r && 4294967295 === d)
                        c += 2;
                    else {
                        var p = t[u]
                          , f = t[h]
                          , _ = t[d];
                        if (p && f && _ && (!a || a(p, f, _, e))) {
                            var m = e.intersectsTriangle(p, f, _);
                            if (m) {
                                if (m.distance < 0)
                                    continue;
                                if ((o || !s || m.distance < s.distance) && ((s = m).faceId = l,
                                o))
                                    break
                            }
                        }
                    }
                }
                return s
            }
            ,
            e.prototype._intersectUnIndexedTriangles = function(e, t, i, n, r) {
                for (var o = null, a = this.verticesStart; a < this.verticesStart + this.verticesCount; a += 3) {
                    var s = t[a]
                      , l = t[a + 1]
                      , c = t[a + 2];
                    if (!r || r(s, l, c, e)) {
                        var u = e.intersectsTriangle(s, l, c);
                        if (u) {
                            if (u.distance < 0)
                                continue;
                            if ((n || !o || u.distance < o.distance) && ((o = u).faceId = a / 3,
                            n))
                                break
                        }
                    }
                }
                return o
            }
            ,
            e.prototype._rebuild = function() {
                this._linesIndexBuffer && (this._linesIndexBuffer = null)
            }
            ,
            e.prototype.clone = function(t, i) {
                var n = new e(this.materialIndex,this.verticesStart,this.verticesCount,this.indexStart,this.indexCount,t,i,!1);
                if (!this.IsGlobal) {
                    var r = this.getBoundingInfo();
                    if (!r)
                        return n;
                    n._boundingInfo = new sr(r.minimum,r.maximum)
                }
                return n
            }
            ,
            e.prototype.dispose = function() {
                this._linesIndexBuffer && (this._mesh.getScene().getEngine()._releaseBuffer(this._linesIndexBuffer),
                this._linesIndexBuffer = null);
                var e = this._mesh.subMeshes.indexOf(this);
                this._mesh.subMeshes.splice(e, 1),
                this.resetDrawCache()
            }
            ,
            e.prototype.getClassName = function() {
                return "SubMesh"
            }
            ,
            e.CreateFromIndices = function(t, i, n, r, o, a) {
                void 0 === a && (a = !0);
                for (var s = Number.MAX_VALUE, l = -Number.MAX_VALUE, c = (o || r).getIndices(), u = i; u < i + n; u++) {
                    var h = c[u];
                    h < s && (s = h),
                    h > l && (l = h)
                }
                return new e(t,s,l - s + 1,i,n,r,o,a)
            }
            ,
            e
        }()
          , dr = function() {
            function e() {}
            return Object.defineProperty(e, "ForceFullSceneLoadingForIncremental", {
                get: function() {
                    return e._ForceFullSceneLoadingForIncremental
                },
                set: function(t) {
                    e._ForceFullSceneLoadingForIncremental = t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ShowLoadingScreen", {
                get: function() {
                    return e._ShowLoadingScreen
                },
                set: function(t) {
                    e._ShowLoadingScreen = t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "loggingLevel", {
                get: function() {
                    return e._LoggingLevel
                },
                set: function(t) {
                    e._LoggingLevel = t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "CleanBoneMatrixWeights", {
                get: function() {
                    return e._CleanBoneMatrixWeights
                },
                set: function(t) {
                    e._CleanBoneMatrixWeights = t
                },
                enumerable: !1,
                configurable: !0
            }),
            e._ForceFullSceneLoadingForIncremental = !1,
            e._ShowLoadingScreen = !0,
            e._CleanBoneMatrixWeights = !1,
            e._LoggingLevel = a.SCENELOADER_NO_LOGGING,
            e
        }()
          , pr = function() {
            function e() {}
            return e.UseOpenGLOrientationForUV = !1,
            e
        }()
          , fr = function() {
            function e(e, t, i, n, r) {
                void 0 === n && (n = !1),
                void 0 === r && (r = null),
                this.delayLoadState = a.DELAYLOADSTATE_NONE,
                this._totalVertices = 0,
                this._isDisposed = !1,
                this._indexBufferIsUpdatable = !1,
                this._positionsCache = [],
                this._parentContainer = null,
                this.useBoundingInfoFromGeometry = !1,
                this._scene = t || E.LastCreatedScene,
                this._scene && (this.id = e,
                this.uniqueId = this._scene.getUniqueId(),
                this._engine = this._scene.getEngine(),
                this._meshes = [],
                this._vertexBuffers = {},
                this._indices = [],
                this._updatable = n,
                i ? this.setAllVerticesData(i, n) : (this._totalVertices = 0,
                this._indices = []),
                this._engine.getCaps().vertexArrayObject && (this._vertexArrayObjects = {}),
                r && (this.applyToMesh(r),
                r.computeWorldMatrix(!0)))
            }
            return Object.defineProperty(e.prototype, "boundingBias", {
                get: function() {
                    return this._boundingBias
                },
                set: function(e) {
                    this._boundingBias ? this._boundingBias.copyFrom(e) : this._boundingBias = e.clone(),
                    this._updateBoundingInfo(!0, null)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.CreateGeometryForMesh = function(t) {
                var i = new e(e.RandomId(),t.getScene());
                return i.applyToMesh(t),
                i
            }
            ,
            Object.defineProperty(e.prototype, "meshes", {
                get: function() {
                    return this._meshes
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "extend", {
                get: function() {
                    return this._extend
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            e.prototype.getEngine = function() {
                return this._engine
            }
            ,
            e.prototype.isReady = function() {
                return this.delayLoadState === a.DELAYLOADSTATE_LOADED || this.delayLoadState === a.DELAYLOADSTATE_NONE
            }
            ,
            Object.defineProperty(e.prototype, "doNotSerialize", {
                get: function() {
                    for (var e = 0; e < this._meshes.length; e++)
                        if (!this._meshes[e].doNotSerialize)
                            return !1;
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._rebuild = function() {
                for (var e in this._vertexArrayObjects && (this._vertexArrayObjects = {}),
                0 !== this._meshes.length && this._indices && (this._indexBuffer = this._engine.createIndexBuffer(this._indices, this._updatable)),
                this._vertexBuffers)
                    this._vertexBuffers[e]._rebuild()
            }
            ,
            e.prototype.setAllVerticesData = function(e, t) {
                e.applyToGeometry(this, t),
                this._notifyUpdate()
            }
            ,
            e.prototype.setVerticesData = function(e, t, i, n) {
                void 0 === i && (i = !1),
                i && Array.isArray(t) && (t = new Float32Array(t));
                var r = new Bi(this._engine,t,e,i,0 === this._meshes.length,n);
                this.setVerticesBuffer(r)
            }
            ,
            e.prototype.removeVerticesData = function(e) {
                this._vertexBuffers[e] && (this._vertexBuffers[e].dispose(),
                delete this._vertexBuffers[e]),
                this._vertexArrayObjects && this._disposeVertexArrayObjects()
            }
            ,
            e.prototype.setVerticesBuffer = function(e, t, i) {
                void 0 === t && (t = null),
                void 0 === i && (i = !0);
                var n = e.getKind();
                this._vertexBuffers[n] && i && this._vertexBuffers[n].dispose(),
                e._buffer && e._buffer._increaseReferences(),
                this._vertexBuffers[n] = e;
                var r = this._meshes
                  , o = r.length;
                if (n === Bi.PositionKind) {
                    var a = e.getData();
                    null != t ? this._totalVertices = t : null != a && (this._totalVertices = a.length / (e.type === Bi.BYTE ? e.byteStride : e.byteStride / 4)),
                    this._updateExtend(a),
                    this._resetPointsArrayCache();
                    for (var s = 0; s < o; s++) {
                        var l = r[s];
                        l.buildBoundingInfo(this._extend.minimum, this._extend.maximum),
                        l._createGlobalSubMesh(!1),
                        l.computeWorldMatrix(!0),
                        l.synchronizeInstances()
                    }
                }
                this._notifyUpdate(n)
            }
            ,
            e.prototype.updateVerticesDataDirectly = function(e, t, i, n) {
                void 0 === n && (n = !1);
                var r = this.getVertexBuffer(e);
                r && (r.updateDirectly(t, i, n),
                this._notifyUpdate(e))
            }
            ,
            e.prototype.updateVerticesData = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = this.getVertexBuffer(e);
                n && (n.update(t),
                e === Bi.PositionKind && this._updateBoundingInfo(i, t),
                this._notifyUpdate(e))
            }
            ,
            e.prototype._updateBoundingInfo = function(e, t) {
                if (e && this._updateExtend(t),
                this._resetPointsArrayCache(),
                e)
                    for (var i = 0, n = this._meshes; i < n.length; i++) {
                        var r = n[i];
                        r.hasBoundingInfo ? r.getBoundingInfo().reConstruct(this._extend.minimum, this._extend.maximum) : r.buildBoundingInfo(this._extend.minimum, this._extend.maximum);
                        for (var o = 0, a = r.subMeshes; o < a.length; o++)
                            a[o].refreshBoundingInfo()
                    }
            }
            ,
            e.prototype._bind = function(e, t, i, n) {
                if (e) {
                    void 0 === t && (t = this._indexBuffer);
                    var r = this.getVertexBuffers();
                    if (r)
                        if (t == this._indexBuffer && (this._vertexArrayObjects || n)) {
                            var o = n || this._vertexArrayObjects;
                            o[e.key] || (o[e.key] = this._engine.recordVertexArrayObject(r, t, e, i)),
                            this._engine.bindVertexArrayObject(o[e.key], t)
                        } else
                            this._engine.bindBuffers(r, t, e, i)
                }
            }
            ,
            e.prototype.getTotalVertices = function() {
                return this.isReady() ? this._totalVertices : 0
            }
            ,
            e.prototype.getVerticesData = function(e, t, i) {
                var n = this.getVertexBuffer(e);
                return n ? n.getFloatData(this._totalVertices, i || t && 1 !== this._meshes.length) : null
            }
            ,
            e.prototype.isVertexBufferUpdatable = function(e) {
                var t = this._vertexBuffers[e];
                return !!t && t.isUpdatable()
            }
            ,
            e.prototype.getVertexBuffer = function(e) {
                return this.isReady() ? this._vertexBuffers[e] : null
            }
            ,
            e.prototype.getVertexBuffers = function() {
                return this.isReady() ? this._vertexBuffers : null
            }
            ,
            e.prototype.isVerticesDataPresent = function(e) {
                return this._vertexBuffers ? void 0 !== this._vertexBuffers[e] : !!this._delayInfo && -1 !== this._delayInfo.indexOf(e)
            }
            ,
            e.prototype.getVerticesDataKinds = function() {
                var e, t = [];
                if (!this._vertexBuffers && this._delayInfo)
                    for (e in this._delayInfo)
                        t.push(e);
                else
                    for (e in this._vertexBuffers)
                        t.push(e);
                return t
            }
            ,
            e.prototype.updateIndices = function(e, t, i) {
                if (void 0 === i && (i = !1),
                this._indexBuffer)
                    if (this._indexBufferIsUpdatable) {
                        var n = e.length !== this._indices.length;
                        if (i || (this._indices = e.slice()),
                        this._engine.updateDynamicIndexBuffer(this._indexBuffer, e, t),
                        n)
                            for (var r = 0, o = this._meshes; r < o.length; r++)
                                o[r]._createGlobalSubMesh(!0)
                    } else
                        this.setIndices(e, null, !0)
            }
            ,
            e.prototype.setIndices = function(e, t, i) {
                void 0 === t && (t = null),
                void 0 === i && (i = !1),
                this._indexBuffer && this._engine._releaseBuffer(this._indexBuffer),
                this._indices = e,
                this._indexBufferIsUpdatable = i,
                0 !== this._meshes.length && this._indices && (this._indexBuffer = this._engine.createIndexBuffer(this._indices, i)),
                null != t && (this._totalVertices = t);
                for (var n = 0, r = this._meshes; n < r.length; n++) {
                    var o = r[n];
                    o._createGlobalSubMesh(!0),
                    o.synchronizeInstances()
                }
                this._notifyUpdate()
            }
            ,
            e.prototype.getTotalIndices = function() {
                return this.isReady() ? this._indices.length : 0
            }
            ,
            e.prototype.getIndices = function(e, t) {
                if (!this.isReady())
                    return null;
                var i = this._indices;
                return t || e && 1 !== this._meshes.length ? gi.Slice(i) : i
            }
            ,
            e.prototype.getIndexBuffer = function() {
                return this.isReady() ? this._indexBuffer : null
            }
            ,
            e.prototype._releaseVertexArrayObject = function(e) {
                void 0 === e && (e = null),
                e && this._vertexArrayObjects && this._vertexArrayObjects[e.key] && (this._engine.releaseVertexArrayObject(this._vertexArrayObjects[e.key]),
                delete this._vertexArrayObjects[e.key])
            }
            ,
            e.prototype.releaseForMesh = function(e, t) {
                var i = this._meshes
                  , n = i.indexOf(e);
                -1 !== n && (i.splice(n, 1),
                this._vertexArrayObjects && e._invalidateInstanceVertexArrayObject(),
                e._geometry = null,
                0 === i.length && t && this.dispose())
            }
            ,
            e.prototype.applyToMesh = function(e) {
                if (e._geometry !== this) {
                    var t = e._geometry;
                    t && t.releaseForMesh(e),
                    this._vertexArrayObjects && e._invalidateInstanceVertexArrayObject();
                    var i = this._meshes;
                    e._geometry = this,
                    e._internalAbstractMeshDataInfo._positions = null,
                    this._scene.pushGeometry(this),
                    i.push(e),
                    this.isReady() ? this._applyToMesh(e) : this._boundingInfo && e.setBoundingInfo(this._boundingInfo)
                }
            }
            ,
            e.prototype._updateExtend = function(e) {
                if (void 0 === e && (e = null),
                this.useBoundingInfoFromGeometry && this._boundingInfo)
                    this._extend = {
                        minimum: this._boundingInfo.minimum.clone(),
                        maximum: this._boundingInfo.maximum.clone()
                    };
                else {
                    if (!e && !(e = this.getVerticesData(Bi.PositionKind)))
                        return;
                    this._extend = ur(e, 0, this._totalVertices, this.boundingBias, 3)
                }
            }
            ,
            e.prototype._applyToMesh = function(e) {
                var t = this._meshes.length;
                for (var i in this._vertexBuffers)
                    1 === t && this._vertexBuffers[i].create(),
                    i === Bi.PositionKind && (this._extend || this._updateExtend(),
                    e.buildBoundingInfo(this._extend.minimum, this._extend.maximum),
                    e._createGlobalSubMesh(!1),
                    e._updateBoundingInfo());
                1 === t && this._indices && this._indices.length > 0 && (this._indexBuffer = this._engine.createIndexBuffer(this._indices, this._updatable)),
                e._syncGeometryWithMorphTargetManager(),
                e.synchronizeInstances()
            }
            ,
            e.prototype._notifyUpdate = function(e) {
                this.onGeometryUpdated && this.onGeometryUpdated(this, e),
                this._vertexArrayObjects && this._disposeVertexArrayObjects();
                for (var t = 0, i = this._meshes; t < i.length; t++)
                    i[t]._markSubMeshesAsAttributesDirty()
            }
            ,
            e.prototype.load = function(e, t) {
                this.delayLoadState !== a.DELAYLOADSTATE_LOADING && (this.isReady() ? t && t() : (this.delayLoadState = a.DELAYLOADSTATE_LOADING,
                this._queueLoad(e, t)))
            }
            ,
            e.prototype._queueLoad = function(e, t) {
                var i = this;
                this.delayLoadingFile && (e._addPendingData(this),
                e._loadFile(this.delayLoadingFile, (function(n) {
                    if (i._delayLoadingFunction) {
                        i._delayLoadingFunction(JSON.parse(n), i),
                        i.delayLoadState = a.DELAYLOADSTATE_LOADED,
                        i._delayInfo = [],
                        e._removePendingData(i);
                        for (var r = i._meshes, o = r.length, s = 0; s < o; s++)
                            i._applyToMesh(r[s]);
                        t && t()
                    }
                }
                ), void 0, !0))
            }
            ,
            e.prototype.toLeftHanded = function() {
                var e = this.getIndices(!1);
                if (null != e && e.length > 0) {
                    for (var t = 0; t < e.length; t += 3) {
                        var i = e[t + 0];
                        e[t + 0] = e[t + 2],
                        e[t + 2] = i
                    }
                    this.setIndices(e)
                }
                var n = this.getVerticesData(Bi.PositionKind, !1);
                if (null != n && n.length > 0) {
                    for (t = 0; t < n.length; t += 3)
                        n[t + 2] = -n[t + 2];
                    this.setVerticesData(Bi.PositionKind, n, !1)
                }
                var r = this.getVerticesData(Bi.NormalKind, !1);
                if (null != r && r.length > 0) {
                    for (t = 0; t < r.length; t += 3)
                        r[t + 2] = -r[t + 2];
                    this.setVerticesData(Bi.NormalKind, r, !1)
                }
            }
            ,
            e.prototype._resetPointsArrayCache = function() {
                this._positions = null
            }
            ,
            e.prototype._generatePointsArray = function() {
                if (this._positions)
                    return !0;
                var e = this.getVerticesData(Bi.PositionKind);
                if (!e || 0 === e.length)
                    return !1;
                for (var t = 3 * this._positionsCache.length, i = this._positionsCache.length; t < e.length; t += 3,
                ++i)
                    this._positionsCache[i] = x.FromArray(e, t);
                for (t = 0,
                i = 0; t < e.length; t += 3,
                ++i)
                    this._positionsCache[i].set(e[0 + t], e[1 + t], e[2 + t]);
                return this._positionsCache.length = e.length / 3,
                this._positions = this._positionsCache,
                !0
            }
            ,
            e.prototype.isDisposed = function() {
                return this._isDisposed
            }
            ,
            e.prototype._disposeVertexArrayObjects = function() {
                if (this._vertexArrayObjects) {
                    for (var e in this._vertexArrayObjects)
                        this._engine.releaseVertexArrayObject(this._vertexArrayObjects[e]);
                    this._vertexArrayObjects = {};
                    for (var t = this._meshes, i = t.length, n = 0; n < i; n++)
                        t[n]._invalidateInstanceVertexArrayObject()
                }
            }
            ,
            e.prototype.dispose = function() {
                var e, t = this._meshes, i = t.length;
                for (e = 0; e < i; e++)
                    this.releaseForMesh(t[e]);
                for (var n in this._meshes = [],
                this._disposeVertexArrayObjects(),
                this._vertexBuffers)
                    this._vertexBuffers[n].dispose();
                if (this._vertexBuffers = {},
                this._totalVertices = 0,
                this._indexBuffer && this._engine._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null,
                this._indices = [],
                this.delayLoadState = a.DELAYLOADSTATE_NONE,
                this.delayLoadingFile = null,
                this._delayLoadingFunction = null,
                this._delayInfo = [],
                this._boundingInfo = null,
                this._scene.removeGeometry(this),
                this._parentContainer) {
                    var r = this._parentContainer.geometries.indexOf(this);
                    r > -1 && this._parentContainer.geometries.splice(r, 1),
                    this._parentContainer = null
                }
                this._isDisposed = !0
            }
            ,
            e.prototype.copy = function(t) {
                var i = new $n;
                i.indices = [];
                var n = this.getIndices();
                if (n)
                    for (var r = 0; r < n.length; r++)
                        i.indices.push(n[r]);
                var o, a = !1, s = !1;
                for (o in this._vertexBuffers) {
                    var l = this.getVerticesData(o);
                    if (l && (l instanceof Float32Array ? i.set(new Float32Array(l), o) : i.set(l.slice(0), o),
                    !s)) {
                        var c = this.getVertexBuffer(o);
                        c && (s = !(a = c.isUpdatable()))
                    }
                }
                var u = new e(t,this._scene,i,a);
                for (o in u.delayLoadState = this.delayLoadState,
                u.delayLoadingFile = this.delayLoadingFile,
                u._delayLoadingFunction = this._delayLoadingFunction,
                this._delayInfo)
                    u._delayInfo = u._delayInfo || [],
                    u._delayInfo.push(o);
                return u._boundingInfo = new sr(this._extend.minimum,this._extend.maximum),
                u
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.id = this.id,
                e.uniqueId = this.uniqueId,
                e.updatable = this._updatable,
                ye && ye.HasTags(this) && (e.tags = ye.GetTags(this)),
                e
            }
            ,
            e.prototype._toNumberArray = function(e) {
                return Array.isArray(e) ? e : Array.prototype.slice.call(e)
            }
            ,
            e.prototype.clearCachedData = function() {
                for (var e in this._indices = [],
                this._resetPointsArrayCache(),
                this._vertexBuffers)
                    Object.prototype.hasOwnProperty.call(this._vertexBuffers, e) && (this._vertexBuffers[e]._buffer._data = null)
            }
            ,
            e.prototype.serializeVerticeData = function() {
                var e = this.serialize();
                return this.isVerticesDataPresent(Bi.PositionKind) && (e.positions = this._toNumberArray(this.getVerticesData(Bi.PositionKind)),
                this.isVertexBufferUpdatable(Bi.PositionKind) && (e.positions._updatable = !0)),
                this.isVerticesDataPresent(Bi.NormalKind) && (e.normals = this._toNumberArray(this.getVerticesData(Bi.NormalKind)),
                this.isVertexBufferUpdatable(Bi.NormalKind) && (e.normals._updatable = !0)),
                this.isVerticesDataPresent(Bi.TangentKind) && (e.tangents = this._toNumberArray(this.getVerticesData(Bi.TangentKind)),
                this.isVertexBufferUpdatable(Bi.TangentKind) && (e.tangents._updatable = !0)),
                this.isVerticesDataPresent(Bi.UVKind) && (e.uvs = this._toNumberArray(this.getVerticesData(Bi.UVKind)),
                this.isVertexBufferUpdatable(Bi.UVKind) && (e.uvs._updatable = !0)),
                this.isVerticesDataPresent(Bi.UV2Kind) && (e.uv2s = this._toNumberArray(this.getVerticesData(Bi.UV2Kind)),
                this.isVertexBufferUpdatable(Bi.UV2Kind) && (e.uv2s._updatable = !0)),
                this.isVerticesDataPresent(Bi.UV3Kind) && (e.uv3s = this._toNumberArray(this.getVerticesData(Bi.UV3Kind)),
                this.isVertexBufferUpdatable(Bi.UV3Kind) && (e.uv3s._updatable = !0)),
                this.isVerticesDataPresent(Bi.UV4Kind) && (e.uv4s = this._toNumberArray(this.getVerticesData(Bi.UV4Kind)),
                this.isVertexBufferUpdatable(Bi.UV4Kind) && (e.uv4s._updatable = !0)),
                this.isVerticesDataPresent(Bi.UV5Kind) && (e.uv5s = this._toNumberArray(this.getVerticesData(Bi.UV5Kind)),
                this.isVertexBufferUpdatable(Bi.UV5Kind) && (e.uv5s._updatable = !0)),
                this.isVerticesDataPresent(Bi.UV6Kind) && (e.uv6s = this._toNumberArray(this.getVerticesData(Bi.UV6Kind)),
                this.isVertexBufferUpdatable(Bi.UV6Kind) && (e.uv6s._updatable = !0)),
                this.isVerticesDataPresent(Bi.ColorKind) && (e.colors = this._toNumberArray(this.getVerticesData(Bi.ColorKind)),
                this.isVertexBufferUpdatable(Bi.ColorKind) && (e.colors._updatable = !0)),
                this.isVerticesDataPresent(Bi.MatricesIndicesKind) && (e.matricesIndices = this._toNumberArray(this.getVerticesData(Bi.MatricesIndicesKind)),
                e.matricesIndices._isExpanded = !0,
                this.isVertexBufferUpdatable(Bi.MatricesIndicesKind) && (e.matricesIndices._updatable = !0)),
                this.isVerticesDataPresent(Bi.MatricesWeightsKind) && (e.matricesWeights = this._toNumberArray(this.getVerticesData(Bi.MatricesWeightsKind)),
                this.isVertexBufferUpdatable(Bi.MatricesWeightsKind) && (e.matricesWeights._updatable = !0)),
                e.indices = this._toNumberArray(this.getIndices()),
                e
            }
            ,
            e.ExtractFromMesh = function(e, t) {
                var i = e._geometry;
                return i ? i.copy(t) : null
            }
            ,
            e.RandomId = function() {
                return gi.RandomId()
            }
            ,
            e._GetGeometryByLoadedUniqueId = function(e, t) {
                for (var i = 0; i < t.geometries.length; i++)
                    if (t.geometries[i]._loadedUniqueId === e)
                        return t.geometries[i];
                return null
            }
            ,
            e._ImportGeometry = function(t, i) {
                var n = i.getScene()
                  , r = t.geometryUniqueId
                  , o = t.geometryId;
                if (r || o) {
                    var a = r ? this._GetGeometryByLoadedUniqueId(r, n) : n.getGeometryById(o);
                    a && a.applyToMesh(i)
                } else if (t instanceof ArrayBuffer) {
                    var s = i._binaryInfo;
                    if (s.positionsAttrDesc && s.positionsAttrDesc.count > 0) {
                        var l = new Float32Array(t,s.positionsAttrDesc.offset,s.positionsAttrDesc.count);
                        i.setVerticesData(Bi.PositionKind, l, !1)
                    }
                    if (s.normalsAttrDesc && s.normalsAttrDesc.count > 0) {
                        var c = new Float32Array(t,s.normalsAttrDesc.offset,s.normalsAttrDesc.count);
                        i.setVerticesData(Bi.NormalKind, c, !1)
                    }
                    if (s.tangetsAttrDesc && s.tangetsAttrDesc.count > 0) {
                        var u = new Float32Array(t,s.tangetsAttrDesc.offset,s.tangetsAttrDesc.count);
                        i.setVerticesData(Bi.TangentKind, u, !1)
                    }
                    if (s.uvsAttrDesc && s.uvsAttrDesc.count > 0) {
                        var h = new Float32Array(t,s.uvsAttrDesc.offset,s.uvsAttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (var d = 1; d < h.length; d += 2)
                                h[d] = 1 - h[d];
                        i.setVerticesData(Bi.UVKind, h, !1)
                    }
                    if (s.uvs2AttrDesc && s.uvs2AttrDesc.count > 0) {
                        var p = new Float32Array(t,s.uvs2AttrDesc.offset,s.uvs2AttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (d = 1; d < p.length; d += 2)
                                p[d] = 1 - p[d];
                        i.setVerticesData(Bi.UV2Kind, p, !1)
                    }
                    if (s.uvs3AttrDesc && s.uvs3AttrDesc.count > 0) {
                        var f = new Float32Array(t,s.uvs3AttrDesc.offset,s.uvs3AttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (d = 1; d < f.length; d += 2)
                                f[d] = 1 - f[d];
                        i.setVerticesData(Bi.UV3Kind, f, !1)
                    }
                    if (s.uvs4AttrDesc && s.uvs4AttrDesc.count > 0) {
                        var _ = new Float32Array(t,s.uvs4AttrDesc.offset,s.uvs4AttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (d = 1; d < _.length; d += 2)
                                _[d] = 1 - _[d];
                        i.setVerticesData(Bi.UV4Kind, _, !1)
                    }
                    if (s.uvs5AttrDesc && s.uvs5AttrDesc.count > 0) {
                        var m = new Float32Array(t,s.uvs5AttrDesc.offset,s.uvs5AttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (d = 1; d < m.length; d += 2)
                                m[d] = 1 - m[d];
                        i.setVerticesData(Bi.UV5Kind, m, !1)
                    }
                    if (s.uvs6AttrDesc && s.uvs6AttrDesc.count > 0) {
                        var g = new Float32Array(t,s.uvs6AttrDesc.offset,s.uvs6AttrDesc.count);
                        if (pr.UseOpenGLOrientationForUV)
                            for (d = 1; d < g.length; d += 2)
                                g[d] = 1 - g[d];
                        i.setVerticesData(Bi.UV6Kind, g, !1)
                    }
                    if (s.colorsAttrDesc && s.colorsAttrDesc.count > 0) {
                        var v = new Float32Array(t,s.colorsAttrDesc.offset,s.colorsAttrDesc.count);
                        i.setVerticesData(Bi.ColorKind, v, !1, s.colorsAttrDesc.stride)
                    }
                    if (s.matricesIndicesAttrDesc && s.matricesIndicesAttrDesc.count > 0) {
                        for (var y = new Int32Array(t,s.matricesIndicesAttrDesc.offset,s.matricesIndicesAttrDesc.count), b = [], T = 0; T < y.length; T++)
                            d = y[T],
                            b.push(255 & d),
                            b.push((65280 & d) >> 8),
                            b.push((16711680 & d) >> 16),
                            b.push(d >> 24 & 255);
                        i.setVerticesData(Bi.MatricesIndicesKind, b, !1)
                    }
                    if (s.matricesIndicesExtraAttrDesc && s.matricesIndicesExtraAttrDesc.count > 0) {
                        for (y = new Int32Array(t,s.matricesIndicesExtraAttrDesc.offset,s.matricesIndicesExtraAttrDesc.count),
                        b = [],
                        T = 0; T < y.length; T++)
                            d = y[T],
                            b.push(255 & d),
                            b.push((65280 & d) >> 8),
                            b.push((16711680 & d) >> 16),
                            b.push(d >> 24 & 255);
                        i.setVerticesData(Bi.MatricesIndicesExtraKind, b, !1)
                    }
                    if (s.matricesWeightsAttrDesc && s.matricesWeightsAttrDesc.count > 0) {
                        var E = new Float32Array(t,s.matricesWeightsAttrDesc.offset,s.matricesWeightsAttrDesc.count);
                        i.setVerticesData(Bi.MatricesWeightsKind, E, !1)
                    }
                    if (s.indicesAttrDesc && s.indicesAttrDesc.count > 0) {
                        var S = new Int32Array(t,s.indicesAttrDesc.offset,s.indicesAttrDesc.count);
                        i.setIndices(S, null)
                    }
                    if (s.subMeshesAttrDesc && s.subMeshesAttrDesc.count > 0) {
                        var A = new Int32Array(t,s.subMeshesAttrDesc.offset,5 * s.subMeshesAttrDesc.count);
                        for (i.subMeshes = [],
                        T = 0; T < s.subMeshesAttrDesc.count; T++) {
                            var x = A[5 * T + 0]
                              , R = A[5 * T + 1]
                              , C = A[5 * T + 2]
                              , P = A[5 * T + 3]
                              , M = A[5 * T + 4];
                            hr.AddToMesh(x, R, C, P, M, i)
                        }
                    }
                } else if (t.positions && t.normals && t.indices) {
                    if (i.setVerticesData(Bi.PositionKind, t.positions, t.positions._updatable),
                    i.setVerticesData(Bi.NormalKind, t.normals, t.normals._updatable),
                    t.tangents && i.setVerticesData(Bi.TangentKind, t.tangents, t.tangents._updatable),
                    t.uvs && i.setVerticesData(Bi.UVKind, t.uvs, t.uvs._updatable),
                    t.uvs2 && i.setVerticesData(Bi.UV2Kind, t.uvs2, t.uvs2._updatable),
                    t.uvs3 && i.setVerticesData(Bi.UV3Kind, t.uvs3, t.uvs3._updatable),
                    t.uvs4 && i.setVerticesData(Bi.UV4Kind, t.uvs4, t.uvs4._updatable),
                    t.uvs5 && i.setVerticesData(Bi.UV5Kind, t.uvs5, t.uvs5._updatable),
                    t.uvs6 && i.setVerticesData(Bi.UV6Kind, t.uvs6, t.uvs6._updatable),
                    t.colors && i.setVerticesData(Bi.ColorKind, N.CheckColors4(t.colors, t.positions.length / 3), t.colors._updatable),
                    t.matricesIndices)
                        if (t.matricesIndices._isExpanded)
                            delete t.matricesIndices._isExpanded,
                            i.setVerticesData(Bi.MatricesIndicesKind, t.matricesIndices, t.matricesIndices._updatable);
                        else {
                            for (b = [],
                            T = 0; T < t.matricesIndices.length; T++) {
                                var I = t.matricesIndices[T];
                                b.push(255 & I),
                                b.push((65280 & I) >> 8),
                                b.push((16711680 & I) >> 16),
                                b.push(I >> 24 & 255)
                            }
                            i.setVerticesData(Bi.MatricesIndicesKind, b, t.matricesIndices._updatable)
                        }
                    if (t.matricesIndicesExtra)
                        if (t.matricesIndicesExtra._isExpanded)
                            delete t.matricesIndices._isExpanded,
                            i.setVerticesData(Bi.MatricesIndicesExtraKind, t.matricesIndicesExtra, t.matricesIndicesExtra._updatable);
                        else {
                            for (b = [],
                            T = 0; T < t.matricesIndicesExtra.length; T++)
                                I = t.matricesIndicesExtra[T],
                                b.push(255 & I),
                                b.push((65280 & I) >> 8),
                                b.push((16711680 & I) >> 16),
                                b.push(I >> 24 & 255);
                            i.setVerticesData(Bi.MatricesIndicesExtraKind, b, t.matricesIndicesExtra._updatable)
                        }
                    t.matricesWeights && (e._CleanMatricesWeights(t, i),
                    i.setVerticesData(Bi.MatricesWeightsKind, t.matricesWeights, t.matricesWeights._updatable)),
                    t.matricesWeightsExtra && i.setVerticesData(Bi.MatricesWeightsExtraKind, t.matricesWeightsExtra, t.matricesWeights._updatable),
                    i.setIndices(t.indices, null)
                }
                if (t.subMeshes) {
                    i.subMeshes = [];
                    for (var O = 0; O < t.subMeshes.length; O++) {
                        var D = t.subMeshes[O];
                        hr.AddToMesh(D.materialIndex, D.verticesStart, D.verticesCount, D.indexStart, D.indexCount, i)
                    }
                }
                i._shouldGenerateFlatShading && (i.convertToFlatShadedMesh(),
                i._shouldGenerateFlatShading = !1),
                i.computeWorldMatrix(!0),
                n.onMeshImportedObservable.notifyObservers(i)
            }
            ,
            e._CleanMatricesWeights = function(e, t) {
                var i = .001;
                if (dr.CleanBoneMatrixWeights) {
                    var n = 0;
                    if (e.skeletonId > -1) {
                        var r = t.getScene().getLastSkeletonById(e.skeletonId);
                        if (r) {
                            n = r.bones.length;
                            for (var o = t.getVerticesData(Bi.MatricesIndicesKind), a = t.getVerticesData(Bi.MatricesIndicesExtraKind), s = e.matricesWeights, l = e.matricesWeightsExtra, c = e.numBoneInfluencer, u = s.length, h = 0; h < u; h += 4) {
                                for (var d = 0, p = -1, f = 0; f < 4; f++)
                                    d += _ = s[h + f],
                                    _ < i && p < 0 && (p = f);
                                if (l)
                                    for (f = 0; f < 4; f++) {
                                        var _;
                                        d += _ = l[h + f],
                                        _ < i && p < 0 && (p = f + 4)
                                    }
                                if ((p < 0 || p > c - 1) && (p = c - 1),
                                d > i) {
                                    var m = 1 / d;
                                    for (f = 0; f < 4; f++)
                                        s[h + f] *= m;
                                    if (l)
                                        for (f = 0; f < 4; f++)
                                            l[h + f] *= m
                                } else
                                    p >= 4 ? (l[h + p - 4] = 1 - d,
                                    a[h + p - 4] = n) : (s[h + p] = 1 - d,
                                    o[h + p] = n)
                            }
                            t.setVerticesData(Bi.MatricesIndicesKind, o),
                            e.matricesWeightsExtra && t.setVerticesData(Bi.MatricesIndicesExtraKind, a)
                        }
                    }
                }
            }
            ,
            e.Parse = function(t, i, n) {
                var r = new e(t.id,i,void 0,t.updatable);
                return r._loadedUniqueId = t.uniqueId,
                ye && ye.AddTagsTo(r, t.tags),
                t.delayLoadingFile ? (r.delayLoadState = a.DELAYLOADSTATE_NOTLOADED,
                r.delayLoadingFile = n + t.delayLoadingFile,
                r._boundingInfo = new sr(x.FromArray(t.boundingBoxMinimum),x.FromArray(t.boundingBoxMaximum)),
                r._delayInfo = [],
                t.hasUVs && r._delayInfo.push(Bi.UVKind),
                t.hasUVs2 && r._delayInfo.push(Bi.UV2Kind),
                t.hasUVs3 && r._delayInfo.push(Bi.UV3Kind),
                t.hasUVs4 && r._delayInfo.push(Bi.UV4Kind),
                t.hasUVs5 && r._delayInfo.push(Bi.UV5Kind),
                t.hasUVs6 && r._delayInfo.push(Bi.UV6Kind),
                t.hasColors && r._delayInfo.push(Bi.ColorKind),
                t.hasMatricesIndices && r._delayInfo.push(Bi.MatricesIndicesKind),
                t.hasMatricesWeights && r._delayInfo.push(Bi.MatricesWeightsKind),
                r._delayLoadingFunction = $n.ImportVertexData) : $n.ImportVertexData(t, r),
                i.pushGeometry(r, !0),
                r
            }
            ,
            e
        }()
          , _r = function() {
            function e(e) {
                void 0 === e && (e = 30),
                this._enabled = !0,
                this._rollingFrameTime = new mr(e)
            }
            return e.prototype.sampleFrame = function(e) {
                if (void 0 === e && (e = ct.Now),
                this._enabled) {
                    if (null != this._lastFrameTimeMs) {
                        var t = e - this._lastFrameTimeMs;
                        this._rollingFrameTime.add(t)
                    }
                    this._lastFrameTimeMs = e
                }
            }
            ,
            Object.defineProperty(e.prototype, "averageFrameTime", {
                get: function() {
                    return this._rollingFrameTime.average
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "averageFrameTimeVariance", {
                get: function() {
                    return this._rollingFrameTime.variance
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "instantaneousFrameTime", {
                get: function() {
                    return this._rollingFrameTime.history(0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "averageFPS", {
                get: function() {
                    return 1e3 / this._rollingFrameTime.average
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "instantaneousFPS", {
                get: function() {
                    var e = this._rollingFrameTime.history(0);
                    return 0 === e ? 0 : 1e3 / e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isSaturated", {
                get: function() {
                    return this._rollingFrameTime.isSaturated()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.enable = function() {
                this._enabled = !0
            }
            ,
            e.prototype.disable = function() {
                this._enabled = !1,
                this._lastFrameTimeMs = null
            }
            ,
            Object.defineProperty(e.prototype, "isEnabled", {
                get: function() {
                    return this._enabled
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function() {
                this._lastFrameTimeMs = null,
                this._rollingFrameTime.reset()
            }
            ,
            e
        }()
          , mr = function() {
            function e(e) {
                this._samples = new Array(e),
                this.reset()
            }
            return e.prototype.add = function(e) {
                var t;
                if (this.isSaturated()) {
                    var i = this._samples[this._pos];
                    t = i - this.average,
                    this.average -= t / (this._sampleCount - 1),
                    this._m2 -= t * (i - this.average)
                } else
                    this._sampleCount++;
                t = e - this.average,
                this.average += t / this._sampleCount,
                this._m2 += t * (e - this.average),
                this.variance = this._m2 / (this._sampleCount - 1),
                this._samples[this._pos] = e,
                this._pos++,
                this._pos %= this._samples.length
            }
            ,
            e.prototype.history = function(e) {
                if (e >= this._sampleCount || e >= this._samples.length)
                    return 0;
                var t = this._wrapPosition(this._pos - 1);
                return this._samples[this._wrapPosition(t - e)]
            }
            ,
            e.prototype.isSaturated = function() {
                return this._sampleCount >= this._samples.length
            }
            ,
            e.prototype.reset = function() {
                this.average = 0,
                this.variance = 0,
                this._sampleCount = 0,
                this._pos = 0,
                this._m2 = 0
            }
            ,
            e.prototype._wrapPosition = function(e) {
                var t = this._samples.length;
                return (e % t + t) % t
            }
            ,
            e
        }();
        function gr(e, t, i, n) {
            switch (void 0 === i && (i = !1),
            e) {
            case a.TEXTURETYPE_BYTE:
                var r = (ArrayBuffer,
                new Int8Array(t));
                return n && r.set(new Int8Array(n)),
                r;
            case a.TEXTURETYPE_UNSIGNED_BYTE:
                var o = (ArrayBuffer,
                new Uint8Array(t));
                return n && o.set(new Uint8Array(n)),
                o;
            case a.TEXTURETYPE_SHORT:
                var s = t instanceof ArrayBuffer ? new Int16Array(t) : new Int16Array(i ? t / 2 : t);
                return n && s.set(new Int16Array(n)),
                s;
            case a.TEXTURETYPE_UNSIGNED_SHORT:
            case a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4:
            case a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1:
            case a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5:
            case a.TEXTURETYPE_HALF_FLOAT:
                var l = t instanceof ArrayBuffer ? new Uint16Array(t) : new Uint16Array(i ? t / 2 : t);
                return n && l.set(new Uint16Array(n)),
                l;
            case a.TEXTURETYPE_INT:
                var c = t instanceof ArrayBuffer ? new Int32Array(t) : new Int32Array(i ? t / 4 : t);
                return n && c.set(new Int32Array(n)),
                c;
            case a.TEXTURETYPE_UNSIGNED_INTEGER:
            case a.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV:
            case a.TEXTURETYPE_UNSIGNED_INT_24_8:
            case a.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV:
            case a.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV:
            case a.TEXTURETYPE_FLOAT_32_UNSIGNED_INT_24_8_REV:
                var u = t instanceof ArrayBuffer ? new Uint32Array(t) : new Uint32Array(i ? t / 4 : t);
                return n && u.set(new Uint32Array(n)),
                u;
            case a.TEXTURETYPE_FLOAT:
                var h = t instanceof ArrayBuffer ? new Float32Array(t) : new Float32Array(i ? t / 4 : t);
                return n && h.set(new Float32Array(n)),
                h
            }
            var d = (ArrayBuffer,
            new Uint8Array(t));
            return n && d.set(new Uint8Array(n)),
            d
        }
        Ht.prototype.setAlphaConstants = function(e, t, i, n) {
            this._alphaState.setAlphaBlendConstants(e, t, i, n)
        }
        ,
        Ht.prototype.setAlphaMode = function(e, t) {
            if (void 0 === t && (t = !1),
            this._alphaMode !== e) {
                switch (e) {
                case a.ALPHA_DISABLE:
                    this._alphaState.alphaBlend = !1;
                    break;
                case a.ALPHA_PREMULTIPLIED:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_PREMULTIPLIED_PORTERDUFF:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA, this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_COMBINE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.SRC_ALPHA, this._gl.ONE_MINUS_SRC_ALPHA, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE, this._gl.ZERO, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ADD:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.SRC_ALPHA, this._gl.ONE, this._gl.ZERO, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SUBTRACT:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ZERO, this._gl.ONE_MINUS_SRC_COLOR, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_MULTIPLY:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.DST_COLOR, this._gl.ZERO, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_MAXIMIZED:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.SRC_ALPHA, this._gl.ONE_MINUS_SRC_COLOR, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_INTERPOLATE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.CONSTANT_COLOR, this._gl.ONE_MINUS_CONSTANT_COLOR, this._gl.CONSTANT_ALPHA, this._gl.ONE_MINUS_CONSTANT_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SCREENMODE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE_MINUS_SRC_COLOR, this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE_ONEONE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE, this._gl.ONE, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ALPHATOCOLOR:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.DST_ALPHA, this._gl.ONE, this._gl.ZERO, this._gl.ZERO),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_REVERSEONEMINUS:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE_MINUS_DST_COLOR, this._gl.ONE_MINUS_SRC_COLOR, this._gl.ONE_MINUS_DST_ALPHA, this._gl.ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SRC_DSTONEMINUSSRCALPHA:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA, this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE_ONEZERO:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE, this._gl.ONE, this._gl.ONE, this._gl.ZERO),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_EXCLUSION:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.ONE_MINUS_DST_COLOR, this._gl.ONE_MINUS_SRC_COLOR, this._gl.ZERO, this._gl.ONE),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_LAYER_ACCUMULATE:
                    this._alphaState.setAlphaBlendFunctionParameters(this._gl.SRC_ALPHA, this._gl.ONE_MINUS_SRC_ALPHA, this._gl.ONE, this._gl.ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0
                }
                t || (this.depthCullingState.depthMask = e === a.ALPHA_DISABLE),
                this._alphaMode = e
            }
        }
        ,
        Ht.prototype.getAlphaMode = function() {
            return this._alphaMode
        }
        ,
        Ht.prototype.setAlphaEquation = function(e) {
            if (this._alphaEquation !== e) {
                switch (e) {
                case a.ALPHA_EQUATION_ADD:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_ADD, a.GL_ALPHA_EQUATION_ADD);
                    break;
                case a.ALPHA_EQUATION_SUBSTRACT:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_SUBTRACT, a.GL_ALPHA_EQUATION_SUBTRACT);
                    break;
                case a.ALPHA_EQUATION_REVERSE_SUBTRACT:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_REVERSE_SUBTRACT, a.GL_ALPHA_EQUATION_REVERSE_SUBTRACT);
                    break;
                case a.ALPHA_EQUATION_MAX:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_MAX, a.GL_ALPHA_EQUATION_MAX);
                    break;
                case a.ALPHA_EQUATION_MIN:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_MIN, a.GL_ALPHA_EQUATION_MIN);
                    break;
                case a.ALPHA_EQUATION_DARKEN:
                    this._alphaState.setAlphaEquationParameters(a.GL_ALPHA_EQUATION_MIN, a.GL_ALPHA_EQUATION_ADD)
                }
                this._alphaEquation = e
            }
        }
        ,
        Ht.prototype.getAlphaEquation = function() {
            return this._alphaEquation
        }
        ,
        Ht.prototype._readTexturePixelsSync = function(e, t, i, n, r, o, a, s) {
            var l, c;
            void 0 === n && (n = -1),
            void 0 === r && (r = 0),
            void 0 === o && (o = null),
            void 0 === a && (a = !0),
            void 0 === s && (s = !1);
            var u = this._gl;
            if (!u)
                throw new Error("Engine does not have gl rendering context.");
            if (!this._dummyFramebuffer) {
                var h = u.createFramebuffer();
                if (!h)
                    throw new Error("Unable to create dummy framebuffer");
                this._dummyFramebuffer = h
            }
            u.bindFramebuffer(u.FRAMEBUFFER, this._dummyFramebuffer),
            n > -1 ? u.framebufferTexture2D(u.FRAMEBUFFER, u.COLOR_ATTACHMENT0, u.TEXTURE_CUBE_MAP_POSITIVE_X + n, null === (l = e._hardwareTexture) || void 0 === l ? void 0 : l.underlyingResource, r) : u.framebufferTexture2D(u.FRAMEBUFFER, u.COLOR_ATTACHMENT0, u.TEXTURE_2D, null === (c = e._hardwareTexture) || void 0 === c ? void 0 : c.underlyingResource, r);
            var d = void 0 !== e.type ? this._getWebGLTextureType(e.type) : u.UNSIGNED_BYTE;
            return s ? o || (o = gr(e.type, 4 * t * i)) : d === u.UNSIGNED_BYTE ? (o || (o = new Uint8Array(4 * t * i)),
            d = u.UNSIGNED_BYTE) : (o || (o = new Float32Array(4 * t * i)),
            d = u.FLOAT),
            a && this.flushFramebuffer(),
            u.readPixels(0, 0, t, i, u.RGBA, d, o),
            u.bindFramebuffer(u.FRAMEBUFFER, this._currentFramebuffer),
            o
        }
        ,
        Ht.prototype._readTexturePixels = function(e, t, i, n, r, o, a, s) {
            return void 0 === n && (n = -1),
            void 0 === r && (r = 0),
            void 0 === o && (o = null),
            void 0 === a && (a = !0),
            void 0 === s && (s = !1),
            Promise.resolve(this._readTexturePixelsSync(e, t, i, n, r, o, a, s))
        }
        ,
        Ht.prototype.updateDynamicIndexBuffer = function(e, t, i) {
            var n;
            void 0 === i && (i = 0),
            this._currentBoundBuffer[this._gl.ELEMENT_ARRAY_BUFFER] = null,
            this.bindIndexBuffer(e),
            n = t instanceof Uint16Array || t instanceof Uint32Array ? t : e.is32Bits ? new Uint32Array(t) : new Uint16Array(t),
            this._gl.bufferData(this._gl.ELEMENT_ARRAY_BUFFER, n, this._gl.DYNAMIC_DRAW),
            this._resetIndexBufferBinding()
        }
        ,
        Ht.prototype.updateDynamicVertexBuffer = function(e, t, i, n) {
            this.bindArrayBuffer(e),
            void 0 === i && (i = 0);
            var r = t.length || t.byteLength;
            void 0 === n || n >= r && 0 === i ? t instanceof Array ? this._gl.bufferSubData(this._gl.ARRAY_BUFFER, i, new Float32Array(t)) : this._gl.bufferSubData(this._gl.ARRAY_BUFFER, i, t) : t instanceof Array ? this._gl.bufferSubData(this._gl.ARRAY_BUFFER, 0, new Float32Array(t).subarray(i, i + n)) : (t = t instanceof ArrayBuffer ? new Uint8Array(t,i,n) : new Uint8Array(t.buffer,t.byteOffset + i,n),
            this._gl.bufferSubData(this._gl.ARRAY_BUFFER, 0, t)),
            this._resetVertexBufferBinding()
        }
        ;
        var vr = function(e) {
            function t(i, n, r, o) {
                void 0 === o && (o = !1);
                var s = e.call(this, i, n, r, o) || this;
                if (s.enableOfflineSupport = !1,
                s.disableManifestCheck = !1,
                s.scenes = new Array,
                s._virtualScenes = new Array,
                s.onNewSceneAddedObservable = new h,
                s.postProcesses = new Array,
                s.isPointerLock = !1,
                s.onResizeObservable = new h,
                s.onCanvasBlurObservable = new h,
                s.onCanvasFocusObservable = new h,
                s.onCanvasPointerOutObservable = new h,
                s.onBeginFrameObservable = new h,
                s.customAnimationFrameRequester = null,
                s.onEndFrameObservable = new h,
                s.onBeforeShaderCompilationObservable = new h,
                s.onAfterShaderCompilationObservable = new h,
                s._deterministicLockstep = !1,
                s._lockstepMaxSteps = 4,
                s._timeStep = 1 / 60,
                s._fps = 60,
                s._deltaTime = 0,
                s._drawCalls = new un,
                s.canvasTabIndex = 1,
                s.disablePerformanceMonitorInBackground = !1,
                s._performanceMonitor = new _r,
                s._compatibilityMode = !0,
                s.currentRenderPassId = a.RENDERPASS_MAIN,
                s._renderPassNames = ["main"],
                t.Instances.push(s),
                !i)
                    return s;
                if (s._features.supportRenderPasses = !0,
                r = s._creationOptions,
                i.getContext) {
                    var l = i;
                    if (s._sharedInit(l, !!r.doNotHandleTouchAction, r.audioEngine),
                    nt()) {
                        var c = document;
                        s._onFullscreenChange = function() {
                            void 0 !== c.fullscreen ? s.isFullscreen = c.fullscreen : void 0 !== c.mozFullScreen ? s.isFullscreen = c.mozFullScreen : void 0 !== c.webkitIsFullScreen ? s.isFullscreen = c.webkitIsFullScreen : void 0 !== c.msIsFullScreen && (s.isFullscreen = c.msIsFullScreen),
                            s.isFullscreen && s._pointerLockRequested && l && t._RequestPointerlock(l)
                        }
                        ,
                        document.addEventListener("fullscreenchange", s._onFullscreenChange, !1),
                        document.addEventListener("mozfullscreenchange", s._onFullscreenChange, !1),
                        document.addEventListener("webkitfullscreenchange", s._onFullscreenChange, !1),
                        document.addEventListener("msfullscreenchange", s._onFullscreenChange, !1),
                        s._onPointerLockChange = function() {
                            s.isPointerLock = c.mozPointerLockElement === l || c.webkitPointerLockElement === l || c.msPointerLockElement === l || c.pointerLockElement === l
                        }
                        ,
                        document.addEventListener("pointerlockchange", s._onPointerLockChange, !1),
                        document.addEventListener("mspointerlockchange", s._onPointerLockChange, !1),
                        document.addEventListener("mozpointerlockchange", s._onPointerLockChange, !1),
                        document.addEventListener("webkitpointerlockchange", s._onPointerLockChange, !1),
                        !t.audioEngine && r.audioEngine && t.AudioEngineFactory && (t.audioEngine = t.AudioEngineFactory(s.getRenderingCanvas(), s.getAudioContext(), s.getAudioDestination()))
                    }
                    s._connectVREvents(),
                    s.enableOfflineSupport = void 0 !== t.OfflineProviderFactory,
                    s._deterministicLockstep = !!r.deterministicLockstep,
                    s._lockstepMaxSteps = r.lockstepMaxSteps || 0,
                    s._timeStep = r.timeStep || 1 / 60
                }
                return s._prepareVRComponent(),
                r.autoEnableWebVR && s.initWebVR(),
                s
            }
            return U(t, e),
            Object.defineProperty(t, "NpmPackage", {
                get: function() {
                    return Ht.NpmPackage
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "Version", {
                get: function() {
                    return Ht.Version
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "Instances", {
                get: function() {
                    return E.Instances
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "LastCreatedEngine", {
                get: function() {
                    return E.LastCreatedEngine
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "LastCreatedScene", {
                get: function() {
                    return E.LastCreatedScene
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.createImageBitmapFromSource = function(e, t) {
                var i = this;
                return new Promise((function(n, r) {
                    var o = new Image;
                    o.onload = function() {
                        o.decode().then((function() {
                            i.createImageBitmap(o, t).then((function(e) {
                                n(e)
                            }
                            ))
                        }
                        ))
                    }
                    ,
                    o.onerror = function() {
                        r("Error loading image ".concat(o.src))
                    }
                    ,
                    o.src = e
                }
                ))
            }
            ,
            t.prototype.createImageBitmap = function(e, t) {
                return createImageBitmap(e, t)
            }
            ,
            t.prototype.resizeImageBitmap = function(e, t, i) {
                var n = this.createCanvas(t, i).getContext("2d");
                if (!n)
                    throw new Error("Unable to get 2d context for resizeImageBitmap");
                return n.drawImage(e, 0, 0),
                n.getImageData(0, 0, t, i).data
            }
            ,
            t.MarkAllMaterialsAsDirty = function(e, i) {
                for (var n = 0; n < t.Instances.length; n++)
                    for (var r = t.Instances[n], o = 0; o < r.scenes.length; o++)
                        r.scenes[o].markAllMaterialsAsDirty(e, i)
            }
            ,
            t.DefaultLoadingScreenFactory = function(e) {
                throw be("LoadingScreen")
            }
            ,
            Object.defineProperty(t.prototype, "_supportsHardwareTextureRescaling", {
                get: function() {
                    return !!t._RescalePostProcessFactory
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "performanceMonitor", {
                get: function() {
                    return this._performanceMonitor
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "compatibilityMode", {
                get: function() {
                    return this._compatibilityMode
                },
                set: function(e) {
                    this._compatibilityMode = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getInputElement = function() {
                return this._renderingCanvas
            }
            ,
            t.prototype._sharedInit = function(i, n, r) {
                var o = this;
                if (e.prototype._sharedInit.call(this, i, n, r),
                this._onCanvasFocus = function() {
                    o.onCanvasFocusObservable.notifyObservers(o)
                }
                ,
                this._onCanvasBlur = function() {
                    o.onCanvasBlurObservable.notifyObservers(o)
                }
                ,
                i.addEventListener("focus", this._onCanvasFocus),
                i.addEventListener("blur", this._onCanvasBlur),
                this._onBlur = function() {
                    o.disablePerformanceMonitorInBackground && o._performanceMonitor.disable(),
                    o._windowIsBackground = !0
                }
                ,
                this._onFocus = function() {
                    o.disablePerformanceMonitorInBackground && o._performanceMonitor.enable(),
                    o._windowIsBackground = !1
                }
                ,
                this._onCanvasPointerOut = function(e) {
                    document.elementFromPoint(e.clientX, e.clientY) !== i && o.onCanvasPointerOutObservable.notifyObservers(e)
                }
                ,
                nt()) {
                    var a = this.getHostWindow();
                    a && (a.addEventListener("blur", this._onBlur),
                    a.addEventListener("focus", this._onFocus))
                }
                i.addEventListener("pointerout", this._onCanvasPointerOut),
                n || this._disableTouchAction(),
                !t.audioEngine && r && t.AudioEngineFactory && (t.audioEngine = t.AudioEngineFactory(this.getRenderingCanvas(), this.getAudioContext(), this.getAudioDestination()))
            }
            ,
            t.prototype.getAspectRatio = function(e, t) {
                void 0 === t && (t = !1);
                var i = e.viewport;
                return this.getRenderWidth(t) * i.width / (this.getRenderHeight(t) * i.height)
            }
            ,
            t.prototype.getScreenAspectRatio = function() {
                return this.getRenderWidth(!0) / this.getRenderHeight(!0)
            }
            ,
            t.prototype.getRenderingCanvasClientRect = function() {
                return this._renderingCanvas ? this._renderingCanvas.getBoundingClientRect() : null
            }
            ,
            t.prototype.getInputElementClientRect = function() {
                return this._renderingCanvas ? this.getInputElement().getBoundingClientRect() : null
            }
            ,
            t.prototype.isDeterministicLockStep = function() {
                return this._deterministicLockstep
            }
            ,
            t.prototype.getLockstepMaxSteps = function() {
                return this._lockstepMaxSteps
            }
            ,
            t.prototype.getTimeStep = function() {
                return 1e3 * this._timeStep
            }
            ,
            t.prototype.generateMipMapsForCubemap = function(e, t) {
                if (void 0 === t && (t = !0),
                e.generateMipMaps) {
                    var i = this._gl;
                    this._bindTextureDirectly(i.TEXTURE_CUBE_MAP, e, !0),
                    i.generateMipmap(i.TEXTURE_CUBE_MAP),
                    t && this._bindTextureDirectly(i.TEXTURE_CUBE_MAP, null)
                }
            }
            ,
            t.prototype.getDepthBuffer = function() {
                return this._depthCullingState.depthTest
            }
            ,
            t.prototype.setDepthBuffer = function(e) {
                this._depthCullingState.depthTest = e
            }
            ,
            t.prototype.getDepthWrite = function() {
                return this._depthCullingState.depthMask
            }
            ,
            t.prototype.setDepthWrite = function(e) {
                this._depthCullingState.depthMask = e
            }
            ,
            t.prototype.getStencilBuffer = function() {
                return this._stencilState.stencilTest
            }
            ,
            t.prototype.setStencilBuffer = function(e) {
                this._stencilState.stencilTest = e
            }
            ,
            t.prototype.getStencilMask = function() {
                return this._stencilState.stencilMask
            }
            ,
            t.prototype.setStencilMask = function(e) {
                this._stencilState.stencilMask = e
            }
            ,
            t.prototype.getStencilFunction = function() {
                return this._stencilState.stencilFunc
            }
            ,
            t.prototype.getStencilFunctionReference = function() {
                return this._stencilState.stencilFuncRef
            }
            ,
            t.prototype.getStencilFunctionMask = function() {
                return this._stencilState.stencilFuncMask
            }
            ,
            t.prototype.setStencilFunction = function(e) {
                this._stencilState.stencilFunc = e
            }
            ,
            t.prototype.setStencilFunctionReference = function(e) {
                this._stencilState.stencilFuncRef = e
            }
            ,
            t.prototype.setStencilFunctionMask = function(e) {
                this._stencilState.stencilFuncMask = e
            }
            ,
            t.prototype.getStencilOperationFail = function() {
                return this._stencilState.stencilOpStencilFail
            }
            ,
            t.prototype.getStencilOperationDepthFail = function() {
                return this._stencilState.stencilOpDepthFail
            }
            ,
            t.prototype.getStencilOperationPass = function() {
                return this._stencilState.stencilOpStencilDepthPass
            }
            ,
            t.prototype.setStencilOperationFail = function(e) {
                this._stencilState.stencilOpStencilFail = e
            }
            ,
            t.prototype.setStencilOperationDepthFail = function(e) {
                this._stencilState.stencilOpDepthFail = e
            }
            ,
            t.prototype.setStencilOperationPass = function(e) {
                this._stencilState.stencilOpStencilDepthPass = e
            }
            ,
            t.prototype.setDitheringState = function(e) {
                e ? this._gl.enable(this._gl.DITHER) : this._gl.disable(this._gl.DITHER)
            }
            ,
            t.prototype.setRasterizerState = function(e) {
                e ? this._gl.disable(this._gl.RASTERIZER_DISCARD) : this._gl.enable(this._gl.RASTERIZER_DISCARD)
            }
            ,
            t.prototype.getDepthFunction = function() {
                return this._depthCullingState.depthFunc
            }
            ,
            t.prototype.setDepthFunction = function(e) {
                this._depthCullingState.depthFunc = e
            }
            ,
            t.prototype.setDepthFunctionToGreater = function() {
                this.setDepthFunction(a.GREATER)
            }
            ,
            t.prototype.setDepthFunctionToGreaterOrEqual = function() {
                this.setDepthFunction(a.GEQUAL)
            }
            ,
            t.prototype.setDepthFunctionToLess = function() {
                this.setDepthFunction(a.LESS)
            }
            ,
            t.prototype.setDepthFunctionToLessOrEqual = function() {
                this.setDepthFunction(a.LEQUAL)
            }
            ,
            t.prototype.cacheStencilState = function() {
                this._cachedStencilBuffer = this.getStencilBuffer(),
                this._cachedStencilFunction = this.getStencilFunction(),
                this._cachedStencilMask = this.getStencilMask(),
                this._cachedStencilOperationPass = this.getStencilOperationPass(),
                this._cachedStencilOperationFail = this.getStencilOperationFail(),
                this._cachedStencilOperationDepthFail = this.getStencilOperationDepthFail(),
                this._cachedStencilReference = this.getStencilFunctionReference()
            }
            ,
            t.prototype.restoreStencilState = function() {
                this.setStencilFunction(this._cachedStencilFunction),
                this.setStencilMask(this._cachedStencilMask),
                this.setStencilBuffer(this._cachedStencilBuffer),
                this.setStencilOperationPass(this._cachedStencilOperationPass),
                this.setStencilOperationFail(this._cachedStencilOperationFail),
                this.setStencilOperationDepthFail(this._cachedStencilOperationDepthFail),
                this.setStencilFunctionReference(this._cachedStencilReference)
            }
            ,
            t.prototype.setDirectViewport = function(e, t, i, n) {
                var r = this._cachedViewport;
                return this._cachedViewport = null,
                this._viewport(e, t, i, n),
                r
            }
            ,
            t.prototype.scissorClear = function(e, t, i, n, r) {
                this.enableScissor(e, t, i, n),
                this.clear(r, !0, !0, !0),
                this.disableScissor()
            }
            ,
            t.prototype.enableScissor = function(e, t, i, n) {
                var r = this._gl;
                r.enable(r.SCISSOR_TEST),
                r.scissor(e, t, i, n)
            }
            ,
            t.prototype.disableScissor = function() {
                var e = this._gl;
                e.disable(e.SCISSOR_TEST)
            }
            ,
            t.prototype._reportDrawCall = function(e) {
                void 0 === e && (e = 1),
                this._drawCalls.addCount(e, !1)
            }
            ,
            t.prototype.initWebVR = function() {
                throw be("WebVRCamera")
            }
            ,
            t.prototype._prepareVRComponent = function() {}
            ,
            t.prototype._connectVREvents = function(e, t) {}
            ,
            t.prototype._submitVRFrame = function() {}
            ,
            t.prototype.disableVR = function() {}
            ,
            t.prototype.isVRPresenting = function() {
                return !1
            }
            ,
            t.prototype._requestVRFrame = function() {}
            ,
            t.prototype._loadFileAsync = function(e, t, i) {
                var n = this;
                return new Promise((function(r, o) {
                    n._loadFile(e, (function(e) {
                        r(e)
                    }
                    ), void 0, t, i, (function(e, t) {
                        o(t)
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.getVertexShaderSource = function(e) {
                var t = this._gl.getAttachedShaders(e);
                return t ? this._gl.getShaderSource(t[0]) : null
            }
            ,
            t.prototype.getFragmentShaderSource = function(e) {
                var t = this._gl.getAttachedShaders(e);
                return t ? this._gl.getShaderSource(t[1]) : null
            }
            ,
            t.prototype.setDepthStencilTexture = function(e, t, i, n) {
                void 0 !== e && (t && (this._boundUniforms[e] = t),
                i && i.depthStencilTexture ? this._setTexture(e, i, !1, !0, n) : this._setTexture(e, null, void 0, void 0, n))
            }
            ,
            t.prototype.setTextureFromPostProcess = function(e, t, i) {
                var n, r = null;
                t && (t._textures.data[t._currentRenderTextureInd] ? r = t._textures.data[t._currentRenderTextureInd] : t._forcedOutputTexture && (r = t._forcedOutputTexture)),
                this._bindTexture(e, null !== (n = null == r ? void 0 : r.texture) && void 0 !== n ? n : null, i)
            }
            ,
            t.prototype.setTextureFromPostProcessOutput = function(e, t, i) {
                var n, r;
                this._bindTexture(e, null !== (r = null === (n = null == t ? void 0 : t._outputTexture) || void 0 === n ? void 0 : n.texture) && void 0 !== r ? r : null, i)
            }
            ,
            t.prototype._rebuildBuffers = function() {
                for (var t = 0, i = this.scenes; t < i.length; t++)
                    (o = i[t]).resetCachedMaterial(),
                    o._rebuildGeometries(),
                    o._rebuildTextures();
                for (var n = 0, r = this._virtualScenes; n < r.length; n++) {
                    var o;
                    (o = r[n]).resetCachedMaterial(),
                    o._rebuildGeometries(),
                    o._rebuildTextures()
                }
                e.prototype._rebuildBuffers.call(this)
            }
            ,
            t.prototype._renderFrame = function() {
                for (var e = 0; e < this._activeRenderLoops.length; e++)
                    (0,
                    this._activeRenderLoops[e])()
            }
            ,
            t.prototype._renderLoop = function() {
                if (!this._contextWasLost) {
                    var e = !0;
                    !this.renderEvenInBackground && this._windowIsBackground && (e = !1),
                    e && (this.beginFrame(),
                    this._renderViews() || this._renderFrame(),
                    this.endFrame())
                }
                this._activeRenderLoops.length > 0 ? this.customAnimationFrameRequester ? (this.customAnimationFrameRequester.requestID = this._queueNewFrame(this.customAnimationFrameRequester.renderFunction || this._boundRenderFunction, this.customAnimationFrameRequester),
                this._frameHandler = this.customAnimationFrameRequester.requestID) : this.isVRPresenting() ? this._requestVRFrame() : this._frameHandler = this._queueNewFrame(this._boundRenderFunction, this.getHostWindow()) : this._renderingQueueLaunched = !1
            }
            ,
            t.prototype._renderViews = function() {
                return !1
            }
            ,
            t.prototype.switchFullscreen = function(e) {
                this.isFullscreen ? this.exitFullscreen() : this.enterFullscreen(e)
            }
            ,
            t.prototype.enterFullscreen = function(e) {
                this.isFullscreen || (this._pointerLockRequested = e,
                this._renderingCanvas && t._RequestFullscreen(this._renderingCanvas))
            }
            ,
            t.prototype.exitFullscreen = function() {
                this.isFullscreen && t._ExitFullscreen()
            }
            ,
            t.prototype.enterPointerlock = function() {
                this._renderingCanvas && t._RequestPointerlock(this._renderingCanvas)
            }
            ,
            t.prototype.exitPointerlock = function() {
                t._ExitPointerlock()
            }
            ,
            t.prototype.beginFrame = function() {
                this._measureFps(),
                this.onBeginFrameObservable.notifyObservers(this),
                e.prototype.beginFrame.call(this)
            }
            ,
            t.prototype.endFrame = function() {
                e.prototype.endFrame.call(this),
                this._submitVRFrame(),
                this.onEndFrameObservable.notifyObservers(this)
            }
            ,
            t.prototype.resize = function(t) {
                void 0 === t && (t = !1),
                this.isVRPresenting() || e.prototype.resize.call(this, t)
            }
            ,
            t.prototype.setSize = function(t, i, n) {
                if (void 0 === n && (n = !1),
                !this._renderingCanvas)
                    return !1;
                if (!e.prototype.setSize.call(this, t, i, n))
                    return !1;
                if (this.scenes) {
                    for (var r = 0; r < this.scenes.length; r++)
                        for (var o = this.scenes[r], a = 0; a < o.cameras.length; a++)
                            o.cameras[a]._currentRenderId = 0;
                    this.onResizeObservable.hasObservers() && this.onResizeObservable.notifyObservers(this)
                }
                return !0
            }
            ,
            t.prototype._deletePipelineContext = function(t) {
                var i = t;
                i && i.program && i.transformFeedback && (this.deleteTransformFeedback(i.transformFeedback),
                i.transformFeedback = null),
                e.prototype._deletePipelineContext.call(this, t)
            }
            ,
            t.prototype.createShaderProgram = function(t, i, n, r, o, a) {
                void 0 === a && (a = null),
                o = o || this._gl,
                this.onBeforeShaderCompilationObservable.notifyObservers(this);
                var s = e.prototype.createShaderProgram.call(this, t, i, n, r, o, a);
                return this.onAfterShaderCompilationObservable.notifyObservers(this),
                s
            }
            ,
            t.prototype._createShaderProgram = function(e, t, i, n, r) {
                void 0 === r && (r = null);
                var o = n.createProgram();
                if (e.program = o,
                !o)
                    throw new Error("Unable to create program");
                if (n.attachShader(o, t),
                n.attachShader(o, i),
                this.webGLVersion > 1 && r) {
                    var a = this.createTransformFeedback();
                    this.bindTransformFeedback(a),
                    this.setTranformFeedbackVaryings(o, r),
                    e.transformFeedback = a
                }
                return n.linkProgram(o),
                this.webGLVersion > 1 && r && this.bindTransformFeedback(null),
                e.context = n,
                e.vertexShader = t,
                e.fragmentShader = i,
                e.isParallelCompiled || this._finalizePipelineContext(e),
                o
            }
            ,
            t.prototype._releaseTexture = function(t) {
                e.prototype._releaseTexture.call(this, t)
            }
            ,
            t.prototype._releaseRenderTargetWrapper = function(t) {
                e.prototype._releaseRenderTargetWrapper.call(this, t),
                this.scenes.forEach((function(e) {
                    e.postProcesses.forEach((function(e) {
                        e._outputTexture === t && (e._outputTexture = null)
                    }
                    )),
                    e.cameras.forEach((function(e) {
                        e._postProcesses.forEach((function(e) {
                            e && e._outputTexture === t && (e._outputTexture = null)
                        }
                        ))
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.getRenderPassNames = function() {
                return this._renderPassNames
            }
            ,
            t.prototype.getCurrentRenderPassName = function() {
                return this._renderPassNames[this.currentRenderPassId]
            }
            ,
            t.prototype.createRenderPassId = function(e) {
                var i = ++t._RenderPassIdCounter;
                return this._renderPassNames[i] = null != e ? e : "NONAME",
                i
            }
            ,
            t.prototype.releaseRenderPassId = function(e) {
                this._renderPassNames[e] = void 0;
                for (var t = 0; t < this.scenes.length; ++t)
                    for (var i = this.scenes[t], n = 0; n < i.meshes.length; ++n) {
                        var r = i.meshes[n];
                        if (r.subMeshes)
                            for (var o = 0; o < r.subMeshes.length; ++o)
                                r.subMeshes[o]._removeDrawWrapper(e)
                    }
            }
            ,
            t.prototype._rescaleTexture = function(e, i, n, r, o) {
                var s = this;
                this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_MAG_FILTER, this._gl.LINEAR),
                this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_MIN_FILTER, this._gl.LINEAR),
                this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_WRAP_S, this._gl.CLAMP_TO_EDGE),
                this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_WRAP_T, this._gl.CLAMP_TO_EDGE);
                var l = this.createRenderTargetTexture({
                    width: i.width,
                    height: i.height
                }, {
                    generateMipMaps: !1,
                    type: a.TEXTURETYPE_UNSIGNED_INT,
                    samplingMode: a.TEXTURE_BILINEAR_SAMPLINGMODE,
                    generateDepthBuffer: !1,
                    generateStencilBuffer: !1
                });
                !this._rescalePostProcess && t._RescalePostProcessFactory && (this._rescalePostProcess = t._RescalePostProcessFactory(this)),
                this._rescalePostProcess.externalTextureSamplerBinding = !0,
                this._rescalePostProcess.getEffect().executeWhenCompiled((function() {
                    s._rescalePostProcess.onApply = function(t) {
                        t._bindTexture("textureSampler", e)
                    }
                    ;
                    var t = n;
                    t || (t = s.scenes[s.scenes.length - 1]),
                    t.postProcessManager.directRender([s._rescalePostProcess], l, !0),
                    s._bindTextureDirectly(s._gl.TEXTURE_2D, i, !0),
                    s._gl.copyTexImage2D(s._gl.TEXTURE_2D, 0, r, 0, 0, i.width, i.height, 0),
                    s.unBindFramebuffer(l),
                    l.dispose(),
                    o && o()
                }
                ))
            }
            ,
            t.prototype.getFps = function() {
                return this._fps
            }
            ,
            t.prototype.getDeltaTime = function() {
                return this._deltaTime
            }
            ,
            t.prototype._measureFps = function() {
                this._performanceMonitor.sampleFrame(),
                this._fps = this._performanceMonitor.averageFPS,
                this._deltaTime = this._performanceMonitor.instantaneousFrameTime || 0
            }
            ,
            t.prototype._uploadImageToTexture = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0);
                var r = this._gl
                  , o = this._getWebGLTextureType(e.type)
                  , a = this._getInternalFormat(e.format)
                  , s = this._getRGBABufferInternalSizedFormat(e.type, a)
                  , l = e.isCube ? r.TEXTURE_CUBE_MAP : r.TEXTURE_2D;
                this._bindTextureDirectly(l, e, !0),
                this._unpackFlipY(e.invertY);
                var c = r.TEXTURE_2D;
                e.isCube && (c = r.TEXTURE_CUBE_MAP_POSITIVE_X + i),
                r.texImage2D(c, n, s, a, o, t),
                this._bindTextureDirectly(l, null, !0)
            }
            ,
            t.prototype.updateTextureComparisonFunction = function(e, t) {
                if (1 !== this.webGLVersion) {
                    var i = this._gl;
                    e.isCube ? (this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, e, !0),
                    0 === t ? (i.texParameteri(i.TEXTURE_CUBE_MAP, i.TEXTURE_COMPARE_FUNC, a.LEQUAL),
                    i.texParameteri(i.TEXTURE_CUBE_MAP, i.TEXTURE_COMPARE_MODE, i.NONE)) : (i.texParameteri(i.TEXTURE_CUBE_MAP, i.TEXTURE_COMPARE_FUNC, t),
                    i.texParameteri(i.TEXTURE_CUBE_MAP, i.TEXTURE_COMPARE_MODE, i.COMPARE_REF_TO_TEXTURE)),
                    this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, null)) : (this._bindTextureDirectly(this._gl.TEXTURE_2D, e, !0),
                    0 === t ? (i.texParameteri(i.TEXTURE_2D, i.TEXTURE_COMPARE_FUNC, a.LEQUAL),
                    i.texParameteri(i.TEXTURE_2D, i.TEXTURE_COMPARE_MODE, i.NONE)) : (i.texParameteri(i.TEXTURE_2D, i.TEXTURE_COMPARE_FUNC, t),
                    i.texParameteri(i.TEXTURE_2D, i.TEXTURE_COMPARE_MODE, i.COMPARE_REF_TO_TEXTURE)),
                    this._bindTextureDirectly(this._gl.TEXTURE_2D, null)),
                    e._comparisonFunction = t
                } else
                    K.Error("WebGL 1 does not support texture comparison.")
            }
            ,
            t.prototype.createInstancesBuffer = function(e) {
                var t = this._gl.createBuffer();
                if (!t)
                    throw new Error("Unable to create instance buffer");
                var i = new Ut(t);
                return i.capacity = e,
                this.bindArrayBuffer(i),
                this._gl.bufferData(this._gl.ARRAY_BUFFER, e, this._gl.DYNAMIC_DRAW),
                i.references = 1,
                i
            }
            ,
            t.prototype.deleteInstancesBuffer = function(e) {
                this._gl.deleteBuffer(e)
            }
            ,
            t.prototype._clientWaitAsync = function(e, t, i) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 10);
                var n = this._gl;
                return new Promise((function(r, o) {
                    var a = function() {
                        var s = n.clientWaitSync(e, t, 0);
                        s != n.WAIT_FAILED ? s != n.TIMEOUT_EXPIRED ? r() : setTimeout(a, i) : o()
                    };
                    a()
                }
                ))
            }
            ,
            t.prototype._readPixelsAsync = function(e, t, i, n, r, o, a) {
                if (this._webGLVersion < 2)
                    throw new Error("_readPixelsAsync only work on WebGL2+");
                var s = this._gl
                  , l = s.createBuffer();
                s.bindBuffer(s.PIXEL_PACK_BUFFER, l),
                s.bufferData(s.PIXEL_PACK_BUFFER, a.byteLength, s.STREAM_READ),
                s.readPixels(e, t, i, n, r, o, 0),
                s.bindBuffer(s.PIXEL_PACK_BUFFER, null);
                var c = s.fenceSync(s.SYNC_GPU_COMMANDS_COMPLETE, 0);
                return c ? (s.flush(),
                this._clientWaitAsync(c, 0, 10).then((function() {
                    return s.deleteSync(c),
                    s.bindBuffer(s.PIXEL_PACK_BUFFER, l),
                    s.getBufferSubData(s.PIXEL_PACK_BUFFER, 0, a),
                    s.bindBuffer(s.PIXEL_PACK_BUFFER, null),
                    s.deleteBuffer(l),
                    a
                }
                ))) : null
            }
            ,
            t.prototype.dispose = function() {
                for (this.hideLoadingUI(),
                this.onNewSceneAddedObservable.clear(); this.postProcesses.length; )
                    this.postProcesses[0].dispose();
                for (this._rescalePostProcess && this._rescalePostProcess.dispose(); this.scenes.length; )
                    this.scenes[0].dispose();
                for (; this._virtualScenes.length; )
                    this._virtualScenes[0].dispose();
                1 === t.Instances.length && t.audioEngine && (t.audioEngine.dispose(),
                t.audioEngine = null),
                this.disableVR(),
                nt() && (window.removeEventListener("blur", this._onBlur),
                window.removeEventListener("focus", this._onFocus),
                this._renderingCanvas && (this._renderingCanvas.removeEventListener("focus", this._onCanvasFocus),
                this._renderingCanvas.removeEventListener("blur", this._onCanvasBlur),
                this._renderingCanvas.removeEventListener("pointerout", this._onCanvasPointerOut)),
                ot() && (document.removeEventListener("fullscreenchange", this._onFullscreenChange),
                document.removeEventListener("mozfullscreenchange", this._onFullscreenChange),
                document.removeEventListener("webkitfullscreenchange", this._onFullscreenChange),
                document.removeEventListener("msfullscreenchange", this._onFullscreenChange),
                document.removeEventListener("pointerlockchange", this._onPointerLockChange),
                document.removeEventListener("mspointerlockchange", this._onPointerLockChange),
                document.removeEventListener("mozpointerlockchange", this._onPointerLockChange),
                document.removeEventListener("webkitpointerlockchange", this._onPointerLockChange))),
                e.prototype.dispose.call(this);
                var i = t.Instances.indexOf(this);
                i >= 0 && t.Instances.splice(i, 1),
                this.onResizeObservable.clear(),
                this.onCanvasBlurObservable.clear(),
                this.onCanvasFocusObservable.clear(),
                this.onCanvasPointerOutObservable.clear(),
                this.onBeginFrameObservable.clear(),
                this.onEndFrameObservable.clear()
            }
            ,
            t.prototype._disableTouchAction = function() {
                this._renderingCanvas && this._renderingCanvas.setAttribute && (this._renderingCanvas.setAttribute("touch-action", "none"),
                this._renderingCanvas.style.touchAction = "none",
                this._renderingCanvas.style.msTouchAction = "none")
            }
            ,
            t.prototype.displayLoadingUI = function() {
                if (nt()) {
                    var e = this.loadingScreen;
                    e && e.displayLoadingUI()
                }
            }
            ,
            t.prototype.hideLoadingUI = function() {
                if (nt()) {
                    var e = this._loadingScreen;
                    e && e.hideLoadingUI()
                }
            }
            ,
            Object.defineProperty(t.prototype, "loadingScreen", {
                get: function() {
                    return !this._loadingScreen && this._renderingCanvas && (this._loadingScreen = t.DefaultLoadingScreenFactory(this._renderingCanvas)),
                    this._loadingScreen
                },
                set: function(e) {
                    this._loadingScreen = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "loadingUIText", {
                set: function(e) {
                    this.loadingScreen.loadingUIText = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "loadingUIBackgroundColor", {
                set: function(e) {
                    this.loadingScreen.loadingUIBackgroundColor = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.createVideoElement = function(e) {
                return document.createElement("video")
            }
            ,
            t._RequestPointerlock = function(e) {
                e.requestPointerLock = e.requestPointerLock || e.msRequestPointerLock || e.mozRequestPointerLock || e.webkitRequestPointerLock,
                e.requestPointerLock && e.requestPointerLock()
            }
            ,
            t._ExitPointerlock = function() {
                var e = document;
                document.exitPointerLock = document.exitPointerLock || e.msExitPointerLock || e.mozExitPointerLock || e.webkitExitPointerLock,
                document.exitPointerLock && document.exitPointerLock()
            }
            ,
            t._RequestFullscreen = function(e) {
                var t = e.requestFullscreen || e.msRequestFullscreen || e.webkitRequestFullscreen || e.mozRequestFullScreen;
                t && t.call(e)
            }
            ,
            t._ExitFullscreen = function() {
                var e = document;
                document.exitFullscreen ? document.exitFullscreen() : e.mozCancelFullScreen ? e.mozCancelFullScreen() : e.webkitCancelFullScreen ? e.webkitCancelFullScreen() : e.msCancelFullScreen && e.msCancelFullScreen()
            }
            ,
            t.prototype.getFontOffset = function(e) {
                var t = document.createElement("span");
                t.innerHTML = "Hg",
                t.setAttribute("style", "font: ".concat(e, " !important"));
                var i = document.createElement("div");
                i.style.display = "inline-block",
                i.style.width = "1px",
                i.style.height = "0px",
                i.style.verticalAlign = "bottom";
                var n = document.createElement("div");
                n.style.whiteSpace = "nowrap",
                n.appendChild(t),
                n.appendChild(i),
                document.body.appendChild(n);
                var r = 0
                  , o = 0;
                try {
                    o = i.getBoundingClientRect().top - t.getBoundingClientRect().top,
                    i.style.verticalAlign = "baseline",
                    r = i.getBoundingClientRect().top - t.getBoundingClientRect().top
                } finally {
                    document.body.removeChild(n)
                }
                return {
                    ascent: r,
                    height: o,
                    descent: o - r
                }
            }
            ,
            t.ALPHA_DISABLE = a.ALPHA_DISABLE,
            t.ALPHA_ADD = a.ALPHA_ADD,
            t.ALPHA_COMBINE = a.ALPHA_COMBINE,
            t.ALPHA_SUBTRACT = a.ALPHA_SUBTRACT,
            t.ALPHA_MULTIPLY = a.ALPHA_MULTIPLY,
            t.ALPHA_MAXIMIZED = a.ALPHA_MAXIMIZED,
            t.ALPHA_ONEONE = a.ALPHA_ONEONE,
            t.ALPHA_PREMULTIPLIED = a.ALPHA_PREMULTIPLIED,
            t.ALPHA_PREMULTIPLIED_PORTERDUFF = a.ALPHA_PREMULTIPLIED_PORTERDUFF,
            t.ALPHA_INTERPOLATE = a.ALPHA_INTERPOLATE,
            t.ALPHA_SCREENMODE = a.ALPHA_SCREENMODE,
            t.DELAYLOADSTATE_NONE = a.DELAYLOADSTATE_NONE,
            t.DELAYLOADSTATE_LOADED = a.DELAYLOADSTATE_LOADED,
            t.DELAYLOADSTATE_LOADING = a.DELAYLOADSTATE_LOADING,
            t.DELAYLOADSTATE_NOTLOADED = a.DELAYLOADSTATE_NOTLOADED,
            t.NEVER = a.NEVER,
            t.ALWAYS = a.ALWAYS,
            t.LESS = a.LESS,
            t.EQUAL = a.EQUAL,
            t.LEQUAL = a.LEQUAL,
            t.GREATER = a.GREATER,
            t.GEQUAL = a.GEQUAL,
            t.NOTEQUAL = a.NOTEQUAL,
            t.KEEP = a.KEEP,
            t.REPLACE = a.REPLACE,
            t.INCR = a.INCR,
            t.DECR = a.DECR,
            t.INVERT = a.INVERT,
            t.INCR_WRAP = a.INCR_WRAP,
            t.DECR_WRAP = a.DECR_WRAP,
            t.TEXTURE_CLAMP_ADDRESSMODE = a.TEXTURE_CLAMP_ADDRESSMODE,
            t.TEXTURE_WRAP_ADDRESSMODE = a.TEXTURE_WRAP_ADDRESSMODE,
            t.TEXTURE_MIRROR_ADDRESSMODE = a.TEXTURE_MIRROR_ADDRESSMODE,
            t.TEXTUREFORMAT_ALPHA = a.TEXTUREFORMAT_ALPHA,
            t.TEXTUREFORMAT_LUMINANCE = a.TEXTUREFORMAT_LUMINANCE,
            t.TEXTUREFORMAT_LUMINANCE_ALPHA = a.TEXTUREFORMAT_LUMINANCE_ALPHA,
            t.TEXTUREFORMAT_RGB = a.TEXTUREFORMAT_RGB,
            t.TEXTUREFORMAT_RGBA = a.TEXTUREFORMAT_RGBA,
            t.TEXTUREFORMAT_RED = a.TEXTUREFORMAT_RED,
            t.TEXTUREFORMAT_R = a.TEXTUREFORMAT_R,
            t.TEXTUREFORMAT_RG = a.TEXTUREFORMAT_RG,
            t.TEXTUREFORMAT_RED_INTEGER = a.TEXTUREFORMAT_RED_INTEGER,
            t.TEXTUREFORMAT_R_INTEGER = a.TEXTUREFORMAT_R_INTEGER,
            t.TEXTUREFORMAT_RG_INTEGER = a.TEXTUREFORMAT_RG_INTEGER,
            t.TEXTUREFORMAT_RGB_INTEGER = a.TEXTUREFORMAT_RGB_INTEGER,
            t.TEXTUREFORMAT_RGBA_INTEGER = a.TEXTUREFORMAT_RGBA_INTEGER,
            t.TEXTURETYPE_UNSIGNED_BYTE = a.TEXTURETYPE_UNSIGNED_BYTE,
            t.TEXTURETYPE_UNSIGNED_INT = a.TEXTURETYPE_UNSIGNED_INT,
            t.TEXTURETYPE_FLOAT = a.TEXTURETYPE_FLOAT,
            t.TEXTURETYPE_HALF_FLOAT = a.TEXTURETYPE_HALF_FLOAT,
            t.TEXTURETYPE_BYTE = a.TEXTURETYPE_BYTE,
            t.TEXTURETYPE_SHORT = a.TEXTURETYPE_SHORT,
            t.TEXTURETYPE_UNSIGNED_SHORT = a.TEXTURETYPE_UNSIGNED_SHORT,
            t.TEXTURETYPE_INT = a.TEXTURETYPE_INT,
            t.TEXTURETYPE_UNSIGNED_INTEGER = a.TEXTURETYPE_UNSIGNED_INTEGER,
            t.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4 = a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4,
            t.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1 = a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1,
            t.TEXTURETYPE_UNSIGNED_SHORT_5_6_5 = a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5,
            t.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV = a.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV,
            t.TEXTURETYPE_UNSIGNED_INT_24_8 = a.TEXTURETYPE_UNSIGNED_INT_24_8,
            t.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV = a.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV,
            t.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV = a.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV,
            t.TEXTURETYPE_FLOAT_32_UNSIGNED_INT_24_8_REV = a.TEXTURETYPE_FLOAT_32_UNSIGNED_INT_24_8_REV,
            t.TEXTURE_NEAREST_SAMPLINGMODE = a.TEXTURE_NEAREST_SAMPLINGMODE,
            t.TEXTURE_BILINEAR_SAMPLINGMODE = a.TEXTURE_BILINEAR_SAMPLINGMODE,
            t.TEXTURE_TRILINEAR_SAMPLINGMODE = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
            t.TEXTURE_NEAREST_NEAREST_MIPLINEAR = a.TEXTURE_NEAREST_NEAREST_MIPLINEAR,
            t.TEXTURE_LINEAR_LINEAR_MIPNEAREST = a.TEXTURE_LINEAR_LINEAR_MIPNEAREST,
            t.TEXTURE_LINEAR_LINEAR_MIPLINEAR = a.TEXTURE_LINEAR_LINEAR_MIPLINEAR,
            t.TEXTURE_NEAREST_NEAREST_MIPNEAREST = a.TEXTURE_NEAREST_NEAREST_MIPNEAREST,
            t.TEXTURE_NEAREST_LINEAR_MIPNEAREST = a.TEXTURE_NEAREST_LINEAR_MIPNEAREST,
            t.TEXTURE_NEAREST_LINEAR_MIPLINEAR = a.TEXTURE_NEAREST_LINEAR_MIPLINEAR,
            t.TEXTURE_NEAREST_LINEAR = a.TEXTURE_NEAREST_LINEAR,
            t.TEXTURE_NEAREST_NEAREST = a.TEXTURE_NEAREST_NEAREST,
            t.TEXTURE_LINEAR_NEAREST_MIPNEAREST = a.TEXTURE_LINEAR_NEAREST_MIPNEAREST,
            t.TEXTURE_LINEAR_NEAREST_MIPLINEAR = a.TEXTURE_LINEAR_NEAREST_MIPLINEAR,
            t.TEXTURE_LINEAR_LINEAR = a.TEXTURE_LINEAR_LINEAR,
            t.TEXTURE_LINEAR_NEAREST = a.TEXTURE_LINEAR_NEAREST,
            t.TEXTURE_EXPLICIT_MODE = a.TEXTURE_EXPLICIT_MODE,
            t.TEXTURE_SPHERICAL_MODE = a.TEXTURE_SPHERICAL_MODE,
            t.TEXTURE_PLANAR_MODE = a.TEXTURE_PLANAR_MODE,
            t.TEXTURE_CUBIC_MODE = a.TEXTURE_CUBIC_MODE,
            t.TEXTURE_PROJECTION_MODE = a.TEXTURE_PROJECTION_MODE,
            t.TEXTURE_SKYBOX_MODE = a.TEXTURE_SKYBOX_MODE,
            t.TEXTURE_INVCUBIC_MODE = a.TEXTURE_INVCUBIC_MODE,
            t.TEXTURE_EQUIRECTANGULAR_MODE = a.TEXTURE_EQUIRECTANGULAR_MODE,
            t.TEXTURE_FIXED_EQUIRECTANGULAR_MODE = a.TEXTURE_FIXED_EQUIRECTANGULAR_MODE,
            t.TEXTURE_FIXED_EQUIRECTANGULAR_MIRRORED_MODE = a.TEXTURE_FIXED_EQUIRECTANGULAR_MIRRORED_MODE,
            t.SCALEMODE_FLOOR = a.SCALEMODE_FLOOR,
            t.SCALEMODE_NEAREST = a.SCALEMODE_NEAREST,
            t.SCALEMODE_CEILING = a.SCALEMODE_CEILING,
            t._RescalePostProcessFactory = null,
            t._RenderPassIdCounter = 0,
            t
        }(Ht)
          , yr = function(e) {
            function t(i, n, r) {
                void 0 === n && (n = null),
                void 0 === r && (r = !0);
                var o = e.call(this, i, n) || this;
                return o._forward = new x(0,0,1),
                o._up = new x(0,1,0),
                o._right = new x(1,0,0),
                o._position = x.Zero(),
                o._rotation = x.Zero(),
                o._rotationQuaternion = null,
                o._scaling = x.One(),
                o._transformToBoneReferal = null,
                o._isAbsoluteSynced = !1,
                o._billboardMode = t.BILLBOARDMODE_NONE,
                o._preserveParentRotationForBillboard = !1,
                o.scalingDeterminant = 1,
                o._infiniteDistance = !1,
                o.ignoreNonUniformScaling = !1,
                o.reIntegrateRotationIntoRotationQuaternion = !1,
                o._poseMatrix = null,
                o._localMatrix = P.Zero(),
                o._usePivotMatrix = !1,
                o._absolutePosition = x.Zero(),
                o._absoluteScaling = x.Zero(),
                o._absoluteRotationQuaternion = C.Identity(),
                o._pivotMatrix = P.Identity(),
                o._postMultiplyPivotMatrix = !1,
                o._isWorldMatrixFrozen = !1,
                o._indexInSceneTransformNodesArray = -1,
                o.onAfterWorldMatrixUpdateObservable = new h,
                o._nonUniformScaling = !1,
                r && o.getScene().addTransformNode(o),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "billboardMode", {
                get: function() {
                    return this._billboardMode
                },
                set: function(e) {
                    this._billboardMode !== e && (this._billboardMode = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "preserveParentRotationForBillboard", {
                get: function() {
                    return this._preserveParentRotationForBillboard
                },
                set: function(e) {
                    e !== this._preserveParentRotationForBillboard && (this._preserveParentRotationForBillboard = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "infiniteDistance", {
                get: function() {
                    return this._infiniteDistance
                },
                set: function(e) {
                    this._infiniteDistance !== e && (this._infiniteDistance = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "TransformNode"
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._position
                },
                set: function(e) {
                    this._position = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.isUsingPivotMatrix = function() {
                return this._usePivotMatrix
            }
            ,
            Object.defineProperty(t.prototype, "rotation", {
                get: function() {
                    return this._rotation
                },
                set: function(e) {
                    this._rotation = e,
                    this._rotationQuaternion = null,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaling", {
                get: function() {
                    return this._scaling
                },
                set: function(e) {
                    this._scaling = e,
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationQuaternion", {
                get: function() {
                    return this._rotationQuaternion
                },
                set: function(e) {
                    this._rotationQuaternion = e,
                    e && this._rotation.setAll(0),
                    this._isDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "forward", {
                get: function() {
                    return x.TransformNormalFromFloatsToRef(0, 0, this.getScene().useRightHandedSystem ? -1 : 1, this.getWorldMatrix(), this._forward),
                    this._forward.normalize()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "up", {
                get: function() {
                    return x.TransformNormalFromFloatsToRef(0, 1, 0, this.getWorldMatrix(), this._up),
                    this._up.normalize()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return x.TransformNormalFromFloatsToRef(this.getScene().useRightHandedSystem ? -1 : 1, 0, 0, this.getWorldMatrix(), this._right),
                    this._right.normalize()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.updatePoseMatrix = function(e) {
                return this._poseMatrix ? (this._poseMatrix.copyFrom(e),
                this) : (this._poseMatrix = e.clone(),
                this)
            }
            ,
            t.prototype.getPoseMatrix = function() {
                return this._poseMatrix || (this._poseMatrix = P.Identity()),
                this._poseMatrix
            }
            ,
            t.prototype._isSynchronized = function() {
                var e = this._cache;
                return !(this.billboardMode !== e.billboardMode || this.billboardMode !== t.BILLBOARDMODE_NONE || e.pivotMatrixUpdated || this.infiniteDistance || this.position._isDirty || this.scaling._isDirty || this._rotationQuaternion && this._rotationQuaternion._isDirty || this.rotation._isDirty)
            }
            ,
            t.prototype._initCache = function() {
                e.prototype._initCache.call(this);
                var t = this._cache;
                t.localMatrixUpdated = !1,
                t.billboardMode = -1,
                t.infiniteDistance = !1
            }
            ,
            Object.defineProperty(t.prototype, "absolutePosition", {
                get: function() {
                    return this.getAbsolutePosition()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "absoluteScaling", {
                get: function() {
                    return this._syncAbsoluteScalingAndRotation(),
                    this._absoluteScaling
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "absoluteRotationQuaternion", {
                get: function() {
                    return this._syncAbsoluteScalingAndRotation(),
                    this._absoluteRotationQuaternion
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setPreTransformMatrix = function(e) {
                return this.setPivotMatrix(e, !1)
            }
            ,
            t.prototype.setPivotMatrix = function(e, t) {
                return void 0 === t && (t = !0),
                this._pivotMatrix.copyFrom(e),
                this._usePivotMatrix = !this._pivotMatrix.isIdentity(),
                this._cache.pivotMatrixUpdated = !0,
                this._postMultiplyPivotMatrix = t,
                this._postMultiplyPivotMatrix && (this._pivotMatrixInverse ? this._pivotMatrix.invertToRef(this._pivotMatrixInverse) : this._pivotMatrixInverse = P.Invert(this._pivotMatrix)),
                this
            }
            ,
            t.prototype.getPivotMatrix = function() {
                return this._pivotMatrix
            }
            ,
            t.prototype.instantiateHierarchy = function(e, t, i) {
                void 0 === e && (e = null);
                var n = this.clone("Clone of " + (this.name || this.id), e || this.parent, !0);
                n && i && i(this, n);
                for (var r = 0, o = this.getChildTransformNodes(!0); r < o.length; r++)
                    o[r].instantiateHierarchy(n, t, i);
                return n
            }
            ,
            t.prototype.freezeWorldMatrix = function(e, t) {
                return void 0 === e && (e = null),
                void 0 === t && (t = !1),
                e ? t ? (this._rotation.setAll(0),
                this._rotationQuaternion = this._rotationQuaternion || C.Identity(),
                e.decompose(this._scaling, this._rotationQuaternion, this._position),
                this.computeWorldMatrix(!0)) : (this._worldMatrix = e,
                this._absolutePosition.copyFromFloats(this._worldMatrix.m[12], this._worldMatrix.m[13], this._worldMatrix.m[14]),
                this._afterComputeWorldMatrix()) : (this._isWorldMatrixFrozen = !1,
                this.computeWorldMatrix(!0)),
                this._isDirty = !1,
                this._isWorldMatrixFrozen = !0,
                this
            }
            ,
            t.prototype.unfreezeWorldMatrix = function() {
                return this._isWorldMatrixFrozen = !1,
                this.computeWorldMatrix(!0),
                this
            }
            ,
            Object.defineProperty(t.prototype, "isWorldMatrixFrozen", {
                get: function() {
                    return this._isWorldMatrixFrozen
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getAbsolutePosition = function() {
                return this.computeWorldMatrix(),
                this._absolutePosition
            }
            ,
            t.prototype.setAbsolutePosition = function(e) {
                if (!e)
                    return this;
                var t, i, n;
                if (void 0 === e.x) {
                    if (arguments.length < 3)
                        return this;
                    t = arguments[0],
                    i = arguments[1],
                    n = arguments[2]
                } else
                    t = e.x,
                    i = e.y,
                    n = e.z;
                if (this.parent) {
                    var r = I.Matrix[0];
                    this.parent.getWorldMatrix().invertToRef(r),
                    x.TransformCoordinatesFromFloatsToRef(t, i, n, r, this.position)
                } else
                    this.position.x = t,
                    this.position.y = i,
                    this.position.z = n;
                return this._absolutePosition.copyFrom(e),
                this
            }
            ,
            t.prototype.setPositionWithLocalVector = function(e) {
                return this.computeWorldMatrix(),
                this.position = x.TransformNormal(e, this._localMatrix),
                this
            }
            ,
            t.prototype.getPositionExpressedInLocalSpace = function() {
                this.computeWorldMatrix();
                var e = I.Matrix[0];
                return this._localMatrix.invertToRef(e),
                x.TransformNormal(this.position, e)
            }
            ,
            t.prototype.locallyTranslate = function(e) {
                return this.computeWorldMatrix(!0),
                this.position = x.TransformCoordinates(e, this._localMatrix),
                this
            }
            ,
            t.prototype.lookAt = function(e, i, n, r, o) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                void 0 === r && (r = 0),
                void 0 === o && (o = Ji.LOCAL);
                var a = t._LookAtVectorCache
                  , s = o === Ji.LOCAL ? this.position : this.getAbsolutePosition();
                if (e.subtractToRef(s, a),
                this.setDirection(a, i, n, r),
                o === Ji.WORLD && this.parent)
                    if (this.rotationQuaternion) {
                        var l = I.Matrix[0];
                        this.rotationQuaternion.toRotationMatrix(l);
                        var c = I.Matrix[1];
                        this.parent.getWorldMatrix().getRotationMatrixToRef(c),
                        c.invert(),
                        l.multiplyToRef(c, l),
                        this.rotationQuaternion.fromRotationMatrix(l)
                    } else {
                        var u = I.Quaternion[0];
                        C.FromEulerVectorToRef(this.rotation, u),
                        l = I.Matrix[0],
                        u.toRotationMatrix(l),
                        c = I.Matrix[1],
                        this.parent.getWorldMatrix().getRotationMatrixToRef(c),
                        c.invert(),
                        l.multiplyToRef(c, l),
                        u.fromRotationMatrix(l),
                        u.toEulerAnglesToRef(this.rotation)
                    }
                return this
            }
            ,
            t.prototype.getDirection = function(e) {
                var t = x.Zero();
                return this.getDirectionToRef(e, t),
                t
            }
            ,
            t.prototype.getDirectionToRef = function(e, t) {
                return x.TransformNormalToRef(e, this.getWorldMatrix(), t),
                this
            }
            ,
            t.prototype.setDirection = function(e, t, i, n) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 0);
                var r = -Math.atan2(e.z, e.x) + Math.PI / 2
                  , o = Math.sqrt(e.x * e.x + e.z * e.z)
                  , a = -Math.atan2(e.y, o);
                return this.rotationQuaternion ? C.RotationYawPitchRollToRef(r + t, a + i, n, this.rotationQuaternion) : (this.rotation.x = a + i,
                this.rotation.y = r + t,
                this.rotation.z = n),
                this
            }
            ,
            t.prototype.setPivotPoint = function(e, t) {
                void 0 === t && (t = Ji.LOCAL),
                0 == this.getScene().getRenderId() && this.computeWorldMatrix(!0);
                var i = this.getWorldMatrix();
                if (t == Ji.WORLD) {
                    var n = I.Matrix[0];
                    i.invertToRef(n),
                    e = x.TransformCoordinates(e, n)
                }
                return this.setPivotMatrix(P.Translation(-e.x, -e.y, -e.z), !0)
            }
            ,
            t.prototype.getPivotPoint = function() {
                var e = x.Zero();
                return this.getPivotPointToRef(e),
                e
            }
            ,
            t.prototype.getPivotPointToRef = function(e) {
                return e.x = -this._pivotMatrix.m[12],
                e.y = -this._pivotMatrix.m[13],
                e.z = -this._pivotMatrix.m[14],
                this
            }
            ,
            t.prototype.getAbsolutePivotPoint = function() {
                var e = x.Zero();
                return this.getAbsolutePivotPointToRef(e),
                e
            }
            ,
            t.prototype.getAbsolutePivotPointToRef = function(e) {
                return this.getPivotPointToRef(e),
                x.TransformCoordinatesToRef(e, this.getWorldMatrix(), e),
                this
            }
            ,
            t.prototype.markAsDirty = function(t) {
                if (this._children)
                    for (var i = 0, n = this._children; i < n.length; i++)
                        n[i].markAsDirty(t);
                return e.prototype.markAsDirty.call(this, t)
            }
            ,
            t.prototype.setParent = function(e, i) {
                if (void 0 === i && (i = !1),
                !e && !this.parent)
                    return this;
                var n = I.Quaternion[0]
                  , r = I.Vector3[0]
                  , o = I.Vector3[1]
                  , a = I.Matrix[1];
                P.IdentityToRef(a);
                var s = I.Matrix[0];
                this.computeWorldMatrix(!0);
                var l = this.rotationQuaternion;
                return l || (l = t._TmpRotation,
                C.RotationYawPitchRollToRef(this._rotation.y, this._rotation.x, this._rotation.z, l)),
                P.ComposeToRef(this.scaling, l, this.position, s),
                this.parent && s.multiplyToRef(this.parent.computeWorldMatrix(!0), s),
                e && (e.computeWorldMatrix(!0).invertToRef(a),
                s.multiplyToRef(a, s)),
                s.decompose(o, n, r, i ? this : void 0),
                this.rotationQuaternion ? this.rotationQuaternion.copyFrom(n) : n.toEulerAnglesToRef(this.rotation),
                this.scaling.copyFrom(o),
                this.position.copyFrom(r),
                this.parent = e,
                this
            }
            ,
            Object.defineProperty(t.prototype, "nonUniformScaling", {
                get: function() {
                    return this._nonUniformScaling
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._updateNonUniformScalingState = function(e) {
                return this._nonUniformScaling !== e && (this._nonUniformScaling = e,
                !0)
            }
            ,
            t.prototype.attachToBone = function(e, t) {
                return this._currentParentWhenAttachingToBone = this.parent,
                this._transformToBoneReferal = t,
                this.parent = e,
                e.getSkeleton().prepare(),
                e.getWorldMatrix().determinant() < 0 && (this.scalingDeterminant *= -1),
                this
            }
            ,
            t.prototype.detachFromBone = function(e) {
                return void 0 === e && (e = !1),
                this.parent ? (this.parent.getWorldMatrix().determinant() < 0 && (this.scalingDeterminant *= -1),
                this._transformToBoneReferal = null,
                this.parent = e ? this._currentParentWhenAttachingToBone : null,
                this) : (e && (this.parent = this._currentParentWhenAttachingToBone),
                this)
            }
            ,
            t.prototype.rotate = function(e, i, n) {
                var r;
                if (e.normalize(),
                this.rotationQuaternion || (this.rotationQuaternion = this.rotation.toQuaternion(),
                this.rotation.setAll(0)),
                n && n !== Ji.LOCAL) {
                    if (this.parent) {
                        var o = I.Matrix[0];
                        this.parent.getWorldMatrix().invertToRef(o),
                        e = x.TransformNormal(e, o)
                    }
                    (r = C.RotationAxisToRef(e, i, t._RotationAxisCache)).multiplyToRef(this.rotationQuaternion, this.rotationQuaternion)
                } else
                    r = C.RotationAxisToRef(e, i, t._RotationAxisCache),
                    this.rotationQuaternion.multiplyToRef(r, this.rotationQuaternion);
                return this
            }
            ,
            t.prototype.rotateAround = function(e, t, i) {
                t.normalize(),
                this.rotationQuaternion || (this.rotationQuaternion = C.RotationYawPitchRoll(this.rotation.y, this.rotation.x, this.rotation.z),
                this.rotation.setAll(0));
                var n = I.Vector3[0]
                  , r = I.Vector3[1]
                  , o = I.Vector3[2]
                  , a = I.Quaternion[0]
                  , s = I.Matrix[0]
                  , l = I.Matrix[1]
                  , c = I.Matrix[2]
                  , u = I.Matrix[3];
                return e.subtractToRef(this.position, n),
                P.TranslationToRef(n.x, n.y, n.z, s),
                P.TranslationToRef(-n.x, -n.y, -n.z, l),
                P.RotationAxisToRef(t, i, c),
                l.multiplyToRef(c, u),
                u.multiplyToRef(s, u),
                u.decompose(r, a, o),
                this.position.addInPlace(o),
                a.multiplyToRef(this.rotationQuaternion, this.rotationQuaternion),
                this
            }
            ,
            t.prototype.translate = function(e, t, i) {
                var n = e.scale(t);
                if (i && i !== Ji.LOCAL)
                    this.setAbsolutePosition(this.getAbsolutePosition().add(n));
                else {
                    var r = this.getPositionExpressedInLocalSpace().add(n);
                    this.setPositionWithLocalVector(r)
                }
                return this
            }
            ,
            t.prototype.addRotation = function(e, t, i) {
                var n;
                this.rotationQuaternion ? n = this.rotationQuaternion : (n = I.Quaternion[1],
                C.RotationYawPitchRollToRef(this.rotation.y, this.rotation.x, this.rotation.z, n));
                var r = I.Quaternion[0];
                return C.RotationYawPitchRollToRef(t, e, i, r),
                n.multiplyInPlace(r),
                this.rotationQuaternion || n.toEulerAnglesToRef(this.rotation),
                this
            }
            ,
            t.prototype._getEffectiveParent = function() {
                return this.parent
            }
            ,
            t.prototype.computeWorldMatrix = function(e) {
                if (this._isWorldMatrixFrozen && !this._isDirty)
                    return this._worldMatrix;
                var i = this.getScene().getRenderId();
                if (!this._isDirty && !e && this.isSynchronized())
                    return this._currentRenderId = i,
                    this._worldMatrix;
                var n = this.getScene().activeCamera
                  , r = 0 != (this._billboardMode & t.BILLBOARDMODE_USE_POSITION)
                  , o = this._billboardMode !== t.BILLBOARDMODE_NONE && !this.preserveParentRotationForBillboard;
                this._updateCache();
                var a = this._cache;
                a.pivotMatrixUpdated = !1,
                a.billboardMode = this.billboardMode,
                a.infiniteDistance = this.infiniteDistance,
                this._currentRenderId = i,
                this._childUpdateId += 1,
                this._isDirty = !1,
                this._position._isDirty = !1,
                this._rotation._isDirty = !1,
                this._scaling._isDirty = !1;
                var s, l = this._getEffectiveParent(), c = t._TmpScaling, u = this._position;
                if (this._infiniteDistance && !this.parent && n) {
                    var h = n.getWorldMatrix()
                      , d = new x(h.m[12],h.m[13],h.m[14]);
                    (u = t._TmpTranslation).copyFromFloats(this._position.x + d.x, this._position.y + d.y, this._position.z + d.z)
                }
                if (c.copyFromFloats(this._scaling.x * this.scalingDeterminant, this._scaling.y * this.scalingDeterminant, this._scaling.z * this.scalingDeterminant),
                this._rotationQuaternion ? (this._rotationQuaternion._isDirty = !1,
                s = this._rotationQuaternion,
                this.reIntegrateRotationIntoRotationQuaternion && (E = this.rotation.lengthSquared()) && (this._rotationQuaternion.multiplyInPlace(C.RotationYawPitchRoll(this._rotation.y, this._rotation.x, this._rotation.z)),
                this._rotation.copyFromFloats(0, 0, 0))) : (s = t._TmpRotation,
                C.RotationYawPitchRollToRef(this._rotation.y, this._rotation.x, this._rotation.z, s)),
                this._usePivotMatrix) {
                    var p = I.Matrix[1];
                    P.ScalingToRef(c.x, c.y, c.z, p);
                    var f = I.Matrix[0];
                    s.toRotationMatrix(f),
                    this._pivotMatrix.multiplyToRef(p, I.Matrix[4]),
                    I.Matrix[4].multiplyToRef(f, this._localMatrix),
                    this._postMultiplyPivotMatrix && this._localMatrix.multiplyToRef(this._pivotMatrixInverse, this._localMatrix),
                    this._localMatrix.addTranslationFromFloats(u.x, u.y, u.z)
                } else
                    P.ComposeToRef(c, s, u, this._localMatrix);
                if (l && l.getWorldMatrix) {
                    if (e && l.computeWorldMatrix(e),
                    o) {
                        this._transformToBoneReferal ? l.getWorldMatrix().multiplyToRef(this._transformToBoneReferal.getWorldMatrix(), I.Matrix[7]) : I.Matrix[7].copyFrom(l.getWorldMatrix());
                        var _ = I.Vector3[5]
                          , m = I.Vector3[6];
                        I.Matrix[7].decompose(m, void 0, _),
                        P.ScalingToRef(m.x, m.y, m.z, I.Matrix[7]),
                        I.Matrix[7].setTranslation(_),
                        this._localMatrix.multiplyToRef(I.Matrix[7], this._worldMatrix)
                    } else
                        this._transformToBoneReferal ? (this._localMatrix.multiplyToRef(l.getWorldMatrix(), I.Matrix[6]),
                        I.Matrix[6].multiplyToRef(this._transformToBoneReferal.getWorldMatrix(), this._worldMatrix)) : this._localMatrix.multiplyToRef(l.getWorldMatrix(), this._worldMatrix);
                    this._markSyncedWithParent()
                } else
                    this._worldMatrix.copyFrom(this._localMatrix);
                if (o && n && this.billboardMode && !r) {
                    var g = I.Vector3[0];
                    if (this._worldMatrix.getTranslationToRef(g),
                    I.Matrix[1].copyFrom(n.getViewMatrix()),
                    I.Matrix[1].setTranslationFromFloats(0, 0, 0),
                    I.Matrix[1].invertToRef(I.Matrix[0]),
                    (this.billboardMode & t.BILLBOARDMODE_ALL) !== t.BILLBOARDMODE_ALL) {
                        I.Matrix[0].decompose(void 0, I.Quaternion[0], void 0);
                        var v = I.Vector3[1];
                        I.Quaternion[0].toEulerAnglesToRef(v),
                        (this.billboardMode & t.BILLBOARDMODE_X) !== t.BILLBOARDMODE_X && (v.x = 0),
                        (this.billboardMode & t.BILLBOARDMODE_Y) !== t.BILLBOARDMODE_Y && (v.y = 0),
                        (this.billboardMode & t.BILLBOARDMODE_Z) !== t.BILLBOARDMODE_Z && (v.z = 0),
                        P.RotationYawPitchRollToRef(v.y, v.x, v.z, I.Matrix[0])
                    }
                    this._worldMatrix.setTranslationFromFloats(0, 0, 0),
                    this._worldMatrix.multiplyToRef(I.Matrix[0], this._worldMatrix),
                    this._worldMatrix.setTranslation(I.Vector3[0])
                } else if (o && n && this.billboardMode && r) {
                    g = I.Vector3[0],
                    this._worldMatrix.getTranslationToRef(g);
                    var y = n.globalPosition;
                    this._worldMatrix.invertToRef(I.Matrix[1]);
                    var b = I.Vector3[1];
                    x.TransformCoordinatesToRef(y, I.Matrix[1], b),
                    b.normalize();
                    var T = -Math.atan2(b.z, b.x) + Math.PI / 2
                      , E = Math.sqrt(b.x * b.x + b.z * b.z)
                      , S = -Math.atan2(b.y, E);
                    C.RotationYawPitchRollToRef(T, S, 0, I.Quaternion[0]),
                    (this.billboardMode & t.BILLBOARDMODE_ALL) !== t.BILLBOARDMODE_ALL ? (v = I.Vector3[1],
                    I.Quaternion[0].toEulerAnglesToRef(v),
                    (this.billboardMode & t.BILLBOARDMODE_X) !== t.BILLBOARDMODE_X && (v.x = 0),
                    (this.billboardMode & t.BILLBOARDMODE_Y) !== t.BILLBOARDMODE_Y && (v.y = 0),
                    (this.billboardMode & t.BILLBOARDMODE_Z) !== t.BILLBOARDMODE_Z && (v.z = 0),
                    P.RotationYawPitchRollToRef(v.y, v.x, v.z, I.Matrix[0])) : P.FromQuaternionToRef(I.Quaternion[0], I.Matrix[0]),
                    this._worldMatrix.setTranslationFromFloats(0, 0, 0),
                    this._worldMatrix.multiplyToRef(I.Matrix[0], this._worldMatrix),
                    this._worldMatrix.setTranslation(I.Vector3[0])
                }
                return this.ignoreNonUniformScaling ? this._updateNonUniformScalingState(!1) : this._scaling.isNonUniformWithinEpsilon(1e-6) ? this._updateNonUniformScalingState(!0) : l && l._nonUniformScaling ? this._updateNonUniformScalingState(l._nonUniformScaling) : this._updateNonUniformScalingState(!1),
                this._afterComputeWorldMatrix(),
                this._absolutePosition.copyFromFloats(this._worldMatrix.m[12], this._worldMatrix.m[13], this._worldMatrix.m[14]),
                this._isAbsoluteSynced = !1,
                this.onAfterWorldMatrixUpdateObservable.notifyObservers(this),
                this._poseMatrix || (this._poseMatrix = P.Invert(this._worldMatrix)),
                this._worldMatrixDeterminantIsDirty = !0,
                this._worldMatrix
            }
            ,
            t.prototype.resetLocalMatrix = function(e) {
                if (void 0 === e && (e = !0),
                this.computeWorldMatrix(),
                e)
                    for (var t = this.getChildren(), i = 0; i < t.length; ++i) {
                        var n = t[i];
                        if (n) {
                            n.computeWorldMatrix();
                            var r = I.Matrix[0];
                            n._localMatrix.multiplyToRef(this._localMatrix, r);
                            var o = I.Quaternion[0];
                            r.decompose(n.scaling, o, n.position),
                            n.rotationQuaternion ? n.rotationQuaternion.copyFrom(o) : o.toEulerAnglesToRef(n.rotation)
                        }
                    }
                this.scaling.copyFromFloats(1, 1, 1),
                this.position.copyFromFloats(0, 0, 0),
                this.rotation.copyFromFloats(0, 0, 0),
                this.rotationQuaternion && (this.rotationQuaternion = C.Identity()),
                this._worldMatrix = P.Identity()
            }
            ,
            t.prototype._afterComputeWorldMatrix = function() {}
            ,
            t.prototype.registerAfterWorldMatrixUpdate = function(e) {
                return this.onAfterWorldMatrixUpdateObservable.add(e),
                this
            }
            ,
            t.prototype.unregisterAfterWorldMatrixUpdate = function(e) {
                return this.onAfterWorldMatrixUpdateObservable.removeCallback(e),
                this
            }
            ,
            t.prototype.getPositionInCameraSpace = function(e) {
                return void 0 === e && (e = null),
                e || (e = this.getScene().activeCamera),
                x.TransformCoordinates(this.getAbsolutePosition(), e.getViewMatrix())
            }
            ,
            t.prototype.getDistanceToCamera = function(e) {
                return void 0 === e && (e = null),
                e || (e = this.getScene().activeCamera),
                this.getAbsolutePosition().subtract(e.globalPosition).length()
            }
            ,
            t.prototype.clone = function(e, i, n) {
                var r = this
                  , o = Ge.Clone((function() {
                    return new t(e,r.getScene())
                }
                ), this);
                if (o.name = e,
                o.id = e,
                i && (o.parent = i),
                !n)
                    for (var a = this.getDescendants(!0), s = 0; s < a.length; s++) {
                        var l = a[s];
                        l.clone && l.clone(e + "." + l.name, o)
                    }
                return o
            }
            ,
            t.prototype.serialize = function(e) {
                var t = Ge.Serialize(this, e);
                return t.type = this.getClassName(),
                t.uniqueId = this.uniqueId,
                this.parent && (t.parentId = this.parent.uniqueId),
                t.localMatrix = this.getPivotMatrix().asArray(),
                t.isEnabled = this.isEnabled(),
                this.parent && (t.parentId = this.parent.uniqueId),
                t
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return e.localMatrix ? r.setPreTransformMatrix(P.FromArray(e.localMatrix)) : e.pivotMatrix && r.setPivotMatrix(P.FromArray(e.pivotMatrix)),
                r.setEnabled(e.isEnabled),
                void 0 !== e.parentId && (r._waitingParentId = e.parentId),
                r
            }
            ,
            t.prototype.getChildTransformNodes = function(e, i) {
                var n = [];
                return this._getDescendants(n, e, (function(e) {
                    return (!i || i(e)) && e instanceof t
                }
                )),
                n
            }
            ,
            t.prototype.dispose = function(t, i) {
                if (void 0 === i && (i = !1),
                this.getScene().stopAnimation(this),
                this.getScene().removeTransformNode(this),
                this._parentContainer) {
                    var n = this._parentContainer.transformNodes.indexOf(this);
                    n > -1 && this._parentContainer.transformNodes.splice(n, 1),
                    this._parentContainer = null
                }
                if (this.onAfterWorldMatrixUpdateObservable.clear(),
                t)
                    for (var r = 0, o = this.getChildTransformNodes(!0); r < o.length; r++) {
                        var a = o[r];
                        a.parent = null,
                        a.computeWorldMatrix(!0)
                    }
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.prototype.normalizeToUnitCube = function(e, t, i) {
                void 0 === e && (e = !0),
                void 0 === t && (t = !1);
                var n = null
                  , r = null;
                t && (this.rotationQuaternion ? (r = this.rotationQuaternion.clone(),
                this.rotationQuaternion.copyFromFloats(0, 0, 0, 1)) : this.rotation && (n = this.rotation.clone(),
                this.rotation.copyFromFloats(0, 0, 0)));
                var o = this.getHierarchyBoundingVectors(e, i)
                  , a = o.max.subtract(o.min)
                  , s = Math.max(a.x, a.y, a.z);
                if (0 === s)
                    return this;
                var l = 1 / s;
                return this.scaling.scaleInPlace(l),
                t && (this.rotationQuaternion && r ? this.rotationQuaternion.copyFrom(r) : this.rotation && n && this.rotation.copyFrom(n)),
                this
            }
            ,
            t.prototype._syncAbsoluteScalingAndRotation = function() {
                this._isAbsoluteSynced || (this._worldMatrix.decompose(this._absoluteScaling, this._absoluteRotationQuaternion),
                this._isAbsoluteSynced = !0)
            }
            ,
            t.BILLBOARDMODE_NONE = 0,
            t.BILLBOARDMODE_X = 1,
            t.BILLBOARDMODE_Y = 2,
            t.BILLBOARDMODE_Z = 4,
            t.BILLBOARDMODE_ALL = 7,
            t.BILLBOARDMODE_USE_POSITION = 128,
            t._TmpRotation = C.Zero(),
            t._TmpScaling = x.Zero(),
            t._TmpTranslation = x.Zero(),
            t._LookAtVectorCache = new x(0,0,0),
            t._RotationAxisCache = new C,
            k([De("position")], t.prototype, "_position", void 0),
            k([De("rotation")], t.prototype, "_rotation", void 0),
            k([Be("rotationQuaternion")], t.prototype, "_rotationQuaternion", void 0),
            k([De("scaling")], t.prototype, "_scaling", void 0),
            k([Ce("billboardMode")], t.prototype, "_billboardMode", void 0),
            k([Ce()], t.prototype, "scalingDeterminant", void 0),
            k([Ce("infiniteDistance")], t.prototype, "_infiniteDistance", void 0),
            k([Ce()], t.prototype, "ignoreNonUniformScaling", void 0),
            k([Ce()], t.prototype, "reIntegrateRotationIntoRotationQuaternion", void 0),
            t
        }(Xe)
          , br = function() {
            this._checkCollisions = !1,
            this._collisionMask = -1,
            this._collisionGroup = -1,
            this._surroundingMeshes = null,
            this._collider = null,
            this._oldPositionForCollisions = new x(0,0,0),
            this._diffPositionForCollisions = new x(0,0,0),
            this._collisionResponse = !0
        }
          , Tr = function() {
            this.facetNb = 0,
            this.partitioningSubdivisions = 10,
            this.partitioningBBoxRatio = 1.01,
            this.facetDataEnabled = !1,
            this.facetParameters = {},
            this.bbSize = x.Zero(),
            this.subDiv = {
                max: 1,
                X: 1,
                Y: 1,
                Z: 1
            },
            this.facetDepthSort = !1,
            this.facetDepthSortEnabled = !1
        }
          , Er = function() {
            this._hasVertexAlpha = !1,
            this._useVertexColors = !0,
            this._numBoneInfluencers = 4,
            this._applyFog = !0,
            this._receiveShadows = !1,
            this._facetData = new Tr,
            this._visibility = 1,
            this._skeleton = null,
            this._layerMask = 268435455,
            this._computeBonesUsingShaders = !0,
            this._isActive = !1,
            this._onlyForInstances = !1,
            this._isActiveIntermediate = !1,
            this._onlyForInstancesIntermediate = !1,
            this._actAsRegularMesh = !1,
            this._currentLOD = null,
            this._currentLODIsUpToDate = !1,
            this._collisionRetryCount = 3,
            this._morphTargetManager = null,
            this._renderingGroupId = 0,
            this._bakedVertexAnimationManager = null,
            this._material = null,
            this._positions = null,
            this._meshCollisionData = new br,
            this._enableDistantPicking = !1
        }
          , Sr = function(e) {
            function t(i, n) {
                void 0 === n && (n = null);
                var r = e.call(this, i, n, !1) || this;
                return r._internalAbstractMeshDataInfo = new Er,
                r._waitingMaterialId = null,
                r.cullingStrategy = t.CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY,
                r.onCollideObservable = new h,
                r.onCollisionPositionChangeObservable = new h,
                r.onMaterialChangedObservable = new h,
                r.definedFacingForward = !0,
                r._occlusionQuery = null,
                r._renderingGroup = null,
                r.alphaIndex = Number.MAX_VALUE,
                r.isVisible = !0,
                r.isPickable = !0,
                r.isNearPickable = !1,
                r.isNearGrabbable = !1,
                r.showSubMeshesBoundingBox = !1,
                r.isBlocker = !1,
                r.enablePointerMoveEvents = !1,
                r.outlineColor = D.Red(),
                r.outlineWidth = .02,
                r.overlayColor = D.Red(),
                r.overlayAlpha = .5,
                r.useOctreeForRenderingSelection = !0,
                r.useOctreeForPicking = !0,
                r.useOctreeForCollisions = !0,
                r.alwaysSelectAsActiveMesh = !1,
                r.doNotSyncBoundingInfo = !1,
                r.actionManager = null,
                r.ellipsoid = new x(.5,1,.5),
                r.ellipsoidOffset = new x(0,0,0),
                r.edgesWidth = 1,
                r.edgesColor = new N(1,0,0,1),
                r._edgesRenderer = null,
                r._masterMesh = null,
                r._boundingInfo = null,
                r._boundingInfoIsDirty = !0,
                r._renderId = 0,
                r._intersectionsInProgress = new Array,
                r._unIndexed = !1,
                r._lightSources = new Array,
                r._waitingData = {
                    lods: null,
                    actions: null,
                    freezeWorldMatrix: null
                },
                r._bonesTransformMatrices = null,
                r._transformMatrixTexture = null,
                r.onRebuildObservable = new h,
                r._onCollisionPositionChange = function(e, t, i) {
                    void 0 === i && (i = null),
                    t.subtractToRef(r._internalAbstractMeshDataInfo._meshCollisionData._oldPositionForCollisions, r._internalAbstractMeshDataInfo._meshCollisionData._diffPositionForCollisions),
                    r._internalAbstractMeshDataInfo._meshCollisionData._diffPositionForCollisions.length() > vr.CollisionsEpsilon && r.position.addInPlace(r._internalAbstractMeshDataInfo._meshCollisionData._diffPositionForCollisions),
                    i && r.onCollideObservable.notifyObservers(i),
                    r.onCollisionPositionChangeObservable.notifyObservers(r.position)
                }
                ,
                r.getScene().addMesh(r),
                r._resyncLightSources(),
                r._uniformBuffer = new Fi(r.getScene().getEngine(),void 0,void 0,i,!r.getScene().getEngine().isWebGPU),
                r._buildUniformLayout(),
                r
            }
            return U(t, e),
            Object.defineProperty(t, "BILLBOARDMODE_NONE", {
                get: function() {
                    return yr.BILLBOARDMODE_NONE
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BILLBOARDMODE_X", {
                get: function() {
                    return yr.BILLBOARDMODE_X
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BILLBOARDMODE_Y", {
                get: function() {
                    return yr.BILLBOARDMODE_Y
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BILLBOARDMODE_Z", {
                get: function() {
                    return yr.BILLBOARDMODE_Z
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BILLBOARDMODE_ALL", {
                get: function() {
                    return yr.BILLBOARDMODE_ALL
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BILLBOARDMODE_USE_POSITION", {
                get: function() {
                    return yr.BILLBOARDMODE_USE_POSITION
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "facetNb", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.facetNb
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "partitioningSubdivisions", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.partitioningSubdivisions
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._facetData.partitioningSubdivisions = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "partitioningBBoxRatio", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.partitioningBBoxRatio
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._facetData.partitioningBBoxRatio = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "mustDepthSortFacets", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.facetDepthSort
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._facetData.facetDepthSort = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "facetDepthSortFrom", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.facetDepthSortFrom
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._facetData.facetDepthSortFrom = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collisionRetryCount", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._collisionRetryCount
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._collisionRetryCount = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isFacetDataEnabled", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._facetData.facetDataEnabled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "morphTargetManager", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._morphTargetManager
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._morphTargetManager !== e && (this._internalAbstractMeshDataInfo._morphTargetManager = e,
                    this._syncGeometryWithMorphTargetManager())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bakedVertexAnimationManager", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._bakedVertexAnimationManager
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._bakedVertexAnimationManager !== e && (this._internalAbstractMeshDataInfo._bakedVertexAnimationManager = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._syncGeometryWithMorphTargetManager = function() {}
            ,
            t.prototype._updateNonUniformScalingState = function(t) {
                return !!e.prototype._updateNonUniformScalingState.call(this, t) && (this._markSubMeshesAsMiscDirty(),
                !0)
            }
            ,
            Object.defineProperty(t.prototype, "onCollide", {
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._onCollideObserver && this.onCollideObservable.remove(this._internalAbstractMeshDataInfo._meshCollisionData._onCollideObserver),
                    this._internalAbstractMeshDataInfo._meshCollisionData._onCollideObserver = this.onCollideObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onCollisionPositionChange", {
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._onCollisionPositionChangeObserver && this.onCollisionPositionChangeObservable.remove(this._internalAbstractMeshDataInfo._meshCollisionData._onCollisionPositionChangeObserver),
                    this._internalAbstractMeshDataInfo._meshCollisionData._onCollisionPositionChangeObserver = this.onCollisionPositionChangeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "visibility", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._visibility
                },
                set: function(e) {
                    if (this._internalAbstractMeshDataInfo._visibility !== e) {
                        var t = this._internalAbstractMeshDataInfo._visibility;
                        this._internalAbstractMeshDataInfo._visibility = e,
                        (1 === t && 1 !== e || 1 !== t && 1 === e) && this._markSubMeshesAsMiscDirty()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "renderingGroupId", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._renderingGroupId
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._renderingGroupId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._material
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._material !== e && (this._internalAbstractMeshDataInfo._material && this._internalAbstractMeshDataInfo._material.meshMap && (this._internalAbstractMeshDataInfo._material.meshMap[this.uniqueId] = void 0),
                    this._internalAbstractMeshDataInfo._material = e,
                    e && e.meshMap && (e.meshMap[this.uniqueId] = this),
                    this.onMaterialChangedObservable.hasObservers() && this.onMaterialChangedObservable.notifyObservers(this),
                    this.subMeshes && (this.resetDrawCache(),
                    this._unBindEffect()))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getMaterialForRenderPass = function(e) {
                var t;
                return null === (t = this._internalAbstractMeshDataInfo._materialForRenderPass) || void 0 === t ? void 0 : t[e]
            }
            ,
            t.prototype.setMaterialForRenderPass = function(e, t) {
                this._internalAbstractMeshDataInfo._materialForRenderPass || (this._internalAbstractMeshDataInfo._materialForRenderPass = []),
                this._internalAbstractMeshDataInfo._materialForRenderPass[e] = t
            }
            ,
            Object.defineProperty(t.prototype, "receiveShadows", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._receiveShadows
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._receiveShadows !== e && (this._internalAbstractMeshDataInfo._receiveShadows = e,
                    this._markSubMeshesAsLightDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasVertexAlpha", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._hasVertexAlpha
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._hasVertexAlpha !== e && (this._internalAbstractMeshDataInfo._hasVertexAlpha = e,
                    this._markSubMeshesAsAttributesDirty(),
                    this._markSubMeshesAsMiscDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useVertexColors", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._useVertexColors
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._useVertexColors !== e && (this._internalAbstractMeshDataInfo._useVertexColors = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "computeBonesUsingShaders", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._computeBonesUsingShaders
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._computeBonesUsingShaders !== e && (this._internalAbstractMeshDataInfo._computeBonesUsingShaders = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "numBoneInfluencers", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._numBoneInfluencers
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._numBoneInfluencers !== e && (this._internalAbstractMeshDataInfo._numBoneInfluencers = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "applyFog", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._applyFog
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._applyFog !== e && (this._internalAbstractMeshDataInfo._applyFog = e,
                    this._markSubMeshesAsMiscDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "enableDistantPicking", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._enableDistantPicking
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._enableDistantPicking = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "layerMask", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._layerMask
                },
                set: function(e) {
                    e !== this._internalAbstractMeshDataInfo._layerMask && (this._internalAbstractMeshDataInfo._layerMask = e,
                    this._resyncLightSources())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collisionMask", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._collisionMask
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._collisionMask = isNaN(e) ? -1 : e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collisionResponse", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._collisionResponse
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._collisionResponse = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collisionGroup", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._collisionGroup
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._collisionGroup = isNaN(e) ? -1 : e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "surroundingMeshes", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._surroundingMeshes
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._surroundingMeshes = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lightSources", {
                get: function() {
                    return this._lightSources
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_positions", {
                get: function() {
                    return null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "skeleton", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._skeleton
                },
                set: function(e) {
                    var t = this._internalAbstractMeshDataInfo._skeleton;
                    t && t.needInitialSkinMatrix && t._unregisterMeshWithPoseMatrix(this),
                    e && e.needInitialSkinMatrix && e._registerMeshWithPoseMatrix(this),
                    this._internalAbstractMeshDataInfo._skeleton = e,
                    this._internalAbstractMeshDataInfo._skeleton || (this._bonesTransformMatrices = null),
                    this._markSubMeshesAsAttributesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildUniformLayout = function() {
                this._uniformBuffer.addUniform("world", 16),
                this._uniformBuffer.addUniform("visibility", 1),
                this._uniformBuffer.create()
            }
            ,
            t.prototype.transferToEffect = function(e) {
                var t = this._uniformBuffer;
                t.updateMatrix("world", e),
                t.updateFloat("visibility", this._internalAbstractMeshDataInfo._visibility),
                t.update()
            }
            ,
            t.prototype.getMeshUniformBuffer = function() {
                return this._uniformBuffer
            }
            ,
            t.prototype.getClassName = function() {
                return "AbstractMesh"
            }
            ,
            t.prototype.toString = function(e) {
                var t = "Name: " + this.name + ", isInstance: " + ("InstancedMesh" !== this.getClassName() ? "YES" : "NO");
                t += ", # of submeshes: " + (this.subMeshes ? this.subMeshes.length : 0);
                var i = this._internalAbstractMeshDataInfo._skeleton;
                return i && (t += ", skeleton: " + i.name),
                e && (t += ", billboard mode: " + ["NONE", "X", "Y", null, "Z", null, null, "ALL"][this.billboardMode],
                t += ", freeze wrld mat: " + (this._isWorldMatrixFrozen || this._waitingData.freezeWorldMatrix ? "YES" : "NO")),
                t
            }
            ,
            t.prototype._getEffectiveParent = function() {
                return this._masterMesh && this.billboardMode !== yr.BILLBOARDMODE_NONE ? this._masterMesh : e.prototype._getEffectiveParent.call(this)
            }
            ,
            t.prototype._getActionManagerForTrigger = function(e, t) {
                if (void 0 === t && (t = !0),
                this.actionManager && (t || this.actionManager.isRecursive)) {
                    if (!e)
                        return this.actionManager;
                    if (this.actionManager.hasSpecificTrigger(e))
                        return this.actionManager
                }
                return this.parent ? this.parent._getActionManagerForTrigger(e, !1) : null
            }
            ,
            t.prototype._rebuild = function(e) {
                if (void 0 === e && (e = !1),
                this.onRebuildObservable.notifyObservers(this),
                null !== this._occlusionQuery && (this._occlusionQuery = null),
                this.subMeshes)
                    for (var t = 0, i = this.subMeshes; t < i.length; t++)
                        i[t]._rebuild()
            }
            ,
            t.prototype._resyncLightSources = function() {
                this._lightSources.length = 0;
                for (var e = 0, t = this.getScene().lights; e < t.length; e++) {
                    var i = t[e];
                    i.isEnabled() && i.canAffectMesh(this) && this._lightSources.push(i)
                }
                this._markSubMeshesAsLightDirty()
            }
            ,
            t.prototype._resyncLightSource = function(e) {
                var t = e.isEnabled() && e.canAffectMesh(this)
                  , i = this._lightSources.indexOf(e)
                  , n = !1;
                if (-1 === i) {
                    if (!t)
                        return;
                    this._lightSources.push(e)
                } else {
                    if (t)
                        return;
                    n = !0,
                    this._lightSources.splice(i, 1)
                }
                this._markSubMeshesAsLightDirty(n)
            }
            ,
            t.prototype._unBindEffect = function() {
                for (var e = 0, t = this.subMeshes; e < t.length; e++)
                    t[e].setEffect(null)
            }
            ,
            t.prototype._removeLightSource = function(e, t) {
                var i = this._lightSources.indexOf(e);
                -1 !== i && (this._lightSources.splice(i, 1),
                this._markSubMeshesAsLightDirty(t))
            }
            ,
            t.prototype._markSubMeshesAsDirty = function(e) {
                if (this.subMeshes)
                    for (var t = 0, i = this.subMeshes; t < i.length; t++)
                        for (var n = i[t], r = 0; r < n._drawWrappers.length; ++r) {
                            var o = n._drawWrappers[r];
                            o && o.defines && o.defines.markAllAsDirty && e(o.defines)
                        }
            }
            ,
            t.prototype._markSubMeshesAsLightDirty = function(e) {
                void 0 === e && (e = !1),
                this._markSubMeshesAsDirty((function(t) {
                    return t.markAsLightDirty(e)
                }
                ))
            }
            ,
            t.prototype._markSubMeshesAsAttributesDirty = function() {
                this._markSubMeshesAsDirty((function(e) {
                    return e.markAsAttributesDirty()
                }
                ))
            }
            ,
            t.prototype._markSubMeshesAsMiscDirty = function() {
                this._markSubMeshesAsDirty((function(e) {
                    return e.markAsMiscDirty()
                }
                ))
            }
            ,
            t.prototype.markAsDirty = function(e) {
                return this._currentRenderId = Number.MAX_VALUE,
                this._isDirty = !0,
                this
            }
            ,
            t.prototype.resetDrawCache = function(e) {
                if (this.subMeshes)
                    for (var t = 0, i = this.subMeshes; t < i.length; t++)
                        i[t].resetDrawCache(e)
            }
            ,
            Object.defineProperty(t.prototype, "scaling", {
                get: function() {
                    return this._scaling
                },
                set: function(e) {
                    this._scaling = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isBlocked", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getLOD = function(e) {
                return this
            }
            ,
            t.prototype.getTotalVertices = function() {
                return 0
            }
            ,
            t.prototype.getTotalIndices = function() {
                return 0
            }
            ,
            t.prototype.getIndices = function() {
                return null
            }
            ,
            t.prototype.getVerticesData = function(e) {
                return null
            }
            ,
            t.prototype.setVerticesData = function(e, t, i, n) {
                return this
            }
            ,
            t.prototype.updateVerticesData = function(e, t, i, n) {
                return this
            }
            ,
            t.prototype.setIndices = function(e, t) {
                return this
            }
            ,
            t.prototype.isVerticesDataPresent = function(e) {
                return !1
            }
            ,
            t.prototype.getBoundingInfo = function() {
                return this._masterMesh ? this._masterMesh.getBoundingInfo() : (this._boundingInfoIsDirty && (this._boundingInfoIsDirty = !1,
                this._updateBoundingInfo()),
                this._boundingInfo)
            }
            ,
            t.prototype.setBoundingInfo = function(e) {
                return this._boundingInfo = e,
                this
            }
            ,
            Object.defineProperty(t.prototype, "hasBoundingInfo", {
                get: function() {
                    return null !== this._boundingInfo
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.buildBoundingInfo = function(e, t, i) {
                return this._boundingInfo = new sr(e,t,i),
                this._boundingInfo
            }
            ,
            t.prototype.normalizeToUnitCube = function(t, i, n) {
                return void 0 === t && (t = !0),
                void 0 === i && (i = !1),
                e.prototype.normalizeToUnitCube.call(this, t, i, n)
            }
            ,
            Object.defineProperty(t.prototype, "useBones", {
                get: function() {
                    return this.skeleton && this.getScene().skeletonsEnabled && this.isVerticesDataPresent(Bi.MatricesIndicesKind) && this.isVerticesDataPresent(Bi.MatricesWeightsKind)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._preActivate = function() {}
            ,
            t.prototype._preActivateForIntermediateRendering = function(e) {}
            ,
            t.prototype._activate = function(e, t) {
                return this._renderId = e,
                !0
            }
            ,
            t.prototype._postActivate = function() {}
            ,
            t.prototype._freeze = function() {}
            ,
            t.prototype._unFreeze = function() {}
            ,
            t.prototype.getWorldMatrix = function() {
                return this._masterMesh && this.billboardMode === yr.BILLBOARDMODE_NONE ? this._masterMesh.getWorldMatrix() : e.prototype.getWorldMatrix.call(this)
            }
            ,
            t.prototype._getWorldMatrixDeterminant = function() {
                return this._masterMesh ? this._masterMesh._getWorldMatrixDeterminant() : e.prototype._getWorldMatrixDeterminant.call(this)
            }
            ,
            Object.defineProperty(t.prototype, "isAnInstance", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasInstances", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasThinInstances", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.movePOV = function(e, t, i) {
                return this.position.addInPlace(this.calcMovePOV(e, t, i)),
                this
            }
            ,
            t.prototype.calcMovePOV = function(e, t, i) {
                var n = new P;
                (this.rotationQuaternion ? this.rotationQuaternion : C.RotationYawPitchRoll(this.rotation.y, this.rotation.x, this.rotation.z)).toRotationMatrix(n);
                var r = x.Zero()
                  , o = this.definedFacingForward ? -1 : 1;
                return x.TransformCoordinatesFromFloatsToRef(e * o, t, i * o, n, r),
                r
            }
            ,
            t.prototype.rotatePOV = function(e, t, i) {
                return this.rotation.addInPlace(this.calcRotatePOV(e, t, i)),
                this
            }
            ,
            t.prototype.calcRotatePOV = function(e, t, i) {
                var n = this.definedFacingForward ? 1 : -1;
                return new x(e * n,t,i * n)
            }
            ,
            t.prototype.refreshBoundingInfo = function(e, t) {
                return void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                this._boundingInfo && this._boundingInfo.isLocked || this._refreshBoundingInfo(this._getPositionData(e, t), null),
                this
            }
            ,
            t.prototype._refreshBoundingInfo = function(e, t) {
                if (e) {
                    var i = ur(e, 0, this.getTotalVertices(), t);
                    this._boundingInfo ? this._boundingInfo.reConstruct(i.minimum, i.maximum) : this._boundingInfo = new sr(i.minimum,i.maximum)
                }
                if (this.subMeshes)
                    for (var n = 0; n < this.subMeshes.length; n++)
                        this.subMeshes[n].refreshBoundingInfo(e);
                this._updateBoundingInfo()
            }
            ,
            t.prototype.getPositionData = function(e, t, i) {
                if ((i = null != i ? i : this.getVerticesData(Bi.PositionKind)) && t && this.morphTargetManager)
                    for (var n = 0, r = 0, o = 0; o < i.length; o++) {
                        for (var a = 0; a < this.morphTargetManager.numTargets; a++) {
                            var s = this.morphTargetManager.getTarget(a)
                              , l = s.influence;
                            if (l > 0) {
                                var c = s.getPositions();
                                c && (i[o] += (c[o] - i[o]) * l)
                            }
                        }
                        if (n++,
                        this._positions && 3 === n) {
                            n = 0;
                            var u = 3 * r;
                            this._positions[r++].copyFromFloats(i[u], i[u + 1], i[u + 2])
                        }
                    }
                if (i && e && this.skeleton) {
                    var h = this.getVerticesData(Bi.MatricesIndicesKind)
                      , d = this.getVerticesData(Bi.MatricesWeightsKind);
                    if (d && h) {
                        var p = this.numBoneInfluencers > 4
                          , f = p ? this.getVerticesData(Bi.MatricesIndicesExtraKind) : null
                          , _ = p ? this.getVerticesData(Bi.MatricesWeightsExtraKind) : null
                          , m = this.skeleton.getTransformMatrices(this)
                          , g = I.Vector3[0]
                          , v = I.Matrix[0]
                          , y = I.Matrix[1]
                          , b = 0;
                        for (u = 0; u < i.length; u += 3,
                        b += 4) {
                            v.reset();
                            var T = void 0
                              , E = void 0;
                            for (T = 0; T < 4; T++)
                                (E = d[b + T]) > 0 && (P.FromFloat32ArrayToRefScaled(m, Math.floor(16 * h[b + T]), E, y),
                                v.addToSelf(y));
                            if (p)
                                for (T = 0; T < 4; T++)
                                    (E = _[b + T]) > 0 && (P.FromFloat32ArrayToRefScaled(m, Math.floor(16 * f[b + T]), E, y),
                                    v.addToSelf(y));
                            x.TransformCoordinatesFromFloatsToRef(i[u], i[u + 1], i[u + 2], v, g),
                            g.toArray(i, u),
                            this._positions && this._positions[u / 3].copyFrom(g)
                        }
                    }
                }
                return i
            }
            ,
            t.prototype._getPositionData = function(e, t) {
                var i, n = this.getVerticesData(Bi.PositionKind);
                if (this._internalAbstractMeshDataInfo._positions && (this._internalAbstractMeshDataInfo._positions = null),
                n && (e && this.skeleton || t && this.morphTargetManager) && (n = gi.Slice(n),
                this._generatePointsArray(),
                this._positions)) {
                    var r = this._positions;
                    this._internalAbstractMeshDataInfo._positions = new Array(r.length);
                    for (var o = 0; o < r.length; o++)
                        this._internalAbstractMeshDataInfo._positions[o] = (null === (i = r[o]) || void 0 === i ? void 0 : i.clone()) || new x
                }
                return this.getPositionData(e, t, n)
            }
            ,
            t.prototype._updateBoundingInfo = function() {
                return this._boundingInfo ? this._boundingInfo.update(this.worldMatrixFromCache) : this._boundingInfo = new sr(this.position,this.position,this.worldMatrixFromCache),
                this._updateSubMeshesBoundingInfo(this.worldMatrixFromCache),
                this
            }
            ,
            t.prototype._updateSubMeshesBoundingInfo = function(e) {
                if (!this.subMeshes)
                    return this;
                for (var t = this.subMeshes.length, i = 0; i < t; i++) {
                    var n = this.subMeshes[i];
                    (t > 1 || !n.IsGlobal) && n.updateBoundingInfo(e)
                }
                return this
            }
            ,
            t.prototype._afterComputeWorldMatrix = function() {
                this.doNotSyncBoundingInfo || (this._boundingInfoIsDirty = !0)
            }
            ,
            t.prototype.isInFrustum = function(e) {
                return this.getBoundingInfo().isInFrustum(e, this.cullingStrategy)
            }
            ,
            t.prototype.isCompletelyInFrustum = function(e) {
                return this.getBoundingInfo().isCompletelyInFrustum(e)
            }
            ,
            t.prototype.intersectsMesh = function(e, t, i) {
                void 0 === t && (t = !1);
                var n = this.getBoundingInfo()
                  , r = e.getBoundingInfo();
                if (n.intersects(r, t))
                    return !0;
                if (i)
                    for (var o = 0, a = this.getChildMeshes(); o < a.length; o++)
                        if (a[o].intersectsMesh(e, t, !0))
                            return !0;
                return !1
            }
            ,
            t.prototype.intersectsPoint = function(e) {
                return this.getBoundingInfo().intersectsPoint(e)
            }
            ,
            Object.defineProperty(t.prototype, "checkCollisions", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._checkCollisions
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._meshCollisionData._checkCollisions = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "collider", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._meshCollisionData._collider
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.moveWithCollisions = function(e) {
                this.getAbsolutePosition().addToRef(this.ellipsoidOffset, this._internalAbstractMeshDataInfo._meshCollisionData._oldPositionForCollisions);
                var t = this.getScene().collisionCoordinator;
                return this._internalAbstractMeshDataInfo._meshCollisionData._collider || (this._internalAbstractMeshDataInfo._meshCollisionData._collider = t.createCollider()),
                this._internalAbstractMeshDataInfo._meshCollisionData._collider._radius = this.ellipsoid,
                t.getNewPosition(this._internalAbstractMeshDataInfo._meshCollisionData._oldPositionForCollisions, e, this._internalAbstractMeshDataInfo._meshCollisionData._collider, this.collisionRetryCount, this, this._onCollisionPositionChange, this.uniqueId),
                this
            }
            ,
            t.prototype._collideForSubMesh = function(e, t, i) {
                var n;
                if (this._generatePointsArray(),
                !this._positions)
                    return this;
                if (!e._lastColliderWorldVertices || !e._lastColliderTransformMatrix.equals(t)) {
                    e._lastColliderTransformMatrix = t.clone(),
                    e._lastColliderWorldVertices = [],
                    e._trianglePlanes = [];
                    for (var r = e.verticesStart, o = e.verticesStart + e.verticesCount, s = r; s < o; s++)
                        e._lastColliderWorldVertices.push(x.TransformCoordinates(this._positions[s], t))
                }
                return i._collide(e._trianglePlanes, e._lastColliderWorldVertices, this.getIndices(), e.indexStart, e.indexStart + e.indexCount, e.verticesStart, !!e.getMaterial(), this, this._shouldConvertRHS(), (null === (n = e.getMaterial()) || void 0 === n ? void 0 : n.fillMode) === a.MATERIAL_TriangleStripDrawMode),
                this
            }
            ,
            t.prototype._processCollisionsForSubMeshes = function(e, t) {
                for (var i = this._scene.getCollidingSubMeshCandidates(this, e), n = i.length, r = 0; r < n; r++) {
                    var o = i.data[r];
                    n > 1 && !o._checkCollision(e) || this._collideForSubMesh(o, t, e)
                }
                return this
            }
            ,
            t.prototype._shouldConvertRHS = function() {
                return !1
            }
            ,
            t.prototype._checkCollision = function(e) {
                if (!this.getBoundingInfo()._checkCollision(e))
                    return this;
                var t = I.Matrix[0]
                  , i = I.Matrix[1];
                return P.ScalingToRef(1 / e._radius.x, 1 / e._radius.y, 1 / e._radius.z, t),
                this.worldMatrixFromCache.multiplyToRef(t, i),
                this._processCollisionsForSubMeshes(e, i),
                this
            }
            ,
            t.prototype._generatePointsArray = function() {
                return !1
            }
            ,
            t.prototype.intersects = function(e, t, i, n, r, o) {
                void 0 === n && (n = !1),
                void 0 === o && (o = !1);
                var s = new Ui
                  , l = "InstancedLinesMesh" === this.getClassName() || "LinesMesh" === this.getClassName() ? this.intersectionThreshold : 0
                  , c = this.getBoundingInfo();
                if (!this.subMeshes)
                    return s;
                if (!(o || e.intersectsSphere(c.boundingSphere, l) && e.intersectsBox(c.boundingBox, l)))
                    return s;
                if (n)
                    return s.hit = !o,
                    s.pickedMesh = o ? null : this,
                    s.distance = o ? 0 : x.Distance(e.origin, c.boundingSphere.center),
                    s.subMeshId = 0,
                    s;
                if (!this._generatePointsArray())
                    return s;
                for (var u = null, h = this._scene.getIntersectingSubMeshCandidates(this, e), d = h.length, p = !1, f = 0; f < d; f++) {
                    var _ = (m = h.data[f]).getMaterial();
                    if (_ && (_.fillMode == a.MATERIAL_TriangleStripDrawMode || _.fillMode == a.MATERIAL_TriangleFillMode || _.fillMode == a.MATERIAL_WireFrameFillMode || _.fillMode == a.MATERIAL_PointFillMode || _.fillMode == a.MATERIAL_LineListDrawMode)) {
                        p = !0;
                        break
                    }
                }
                if (!p)
                    return s.hit = !0,
                    s.pickedMesh = this,
                    s.distance = x.Distance(e.origin, c.boundingSphere.center),
                    s.subMeshId = -1,
                    s;
                for (f = 0; f < d; f++) {
                    var m = h.data[f];
                    if (!(d > 1) || m.canIntersects(e)) {
                        var g = m.intersects(e, this._positions, this.getIndices(), t, i);
                        if (g && (t || !u || g.distance < u.distance) && ((u = g).subMeshId = f,
                        t))
                            break
                    }
                }
                if (u) {
                    var v = null != r ? r : this.getWorldMatrix()
                      , y = I.Vector3[0]
                      , b = I.Vector3[1];
                    x.TransformCoordinatesToRef(e.origin, v, y),
                    e.direction.scaleToRef(u.distance, b);
                    var T = x.TransformNormal(b, v).addInPlace(y);
                    return s.hit = !0,
                    s.distance = x.Distance(y, T),
                    s.pickedPoint = T,
                    s.pickedMesh = this,
                    s.bu = u.bu || 0,
                    s.bv = u.bv || 0,
                    s.subMeshFaceId = u.faceId,
                    s.faceId = u.faceId + h.data[u.subMeshId].indexStart / (-1 !== this.getClassName().indexOf("LinesMesh") ? 2 : 3),
                    s.subMeshId = u.subMeshId,
                    s
                }
                return s
            }
            ,
            t.prototype.clone = function(e, t, i) {
                return null
            }
            ,
            t.prototype.releaseSubMeshes = function() {
                if (this.subMeshes)
                    for (; this.subMeshes.length; )
                        this.subMeshes[0].dispose();
                else
                    this.subMeshes = new Array;
                return this
            }
            ,
            t.prototype.dispose = function(t, i) {
                var n, r = this;
                for (void 0 === i && (i = !1),
                this._scene.useMaterialMeshMap && this._internalAbstractMeshDataInfo._material && this._internalAbstractMeshDataInfo._material.meshMap && (this._internalAbstractMeshDataInfo._material.meshMap[this.uniqueId] = void 0),
                this.getScene().freeActiveMeshes(),
                this.getScene().freeRenderingGroups(),
                void 0 !== this.actionManager && null !== this.actionManager && (this.actionManager.dispose(),
                this.actionManager = null),
                this._internalAbstractMeshDataInfo._skeleton = null,
                this._transformMatrixTexture && (this._transformMatrixTexture.dispose(),
                this._transformMatrixTexture = null),
                n = 0; n < this._intersectionsInProgress.length; n++) {
                    var o = this._intersectionsInProgress[n]
                      , a = o._intersectionsInProgress.indexOf(this);
                    o._intersectionsInProgress.splice(a, 1)
                }
                this._intersectionsInProgress = [],
                this.getScene().lights.forEach((function(e) {
                    var t = e.includedOnlyMeshes.indexOf(r);
                    -1 !== t && e.includedOnlyMeshes.splice(t, 1),
                    -1 !== (t = e.excludedMeshes.indexOf(r)) && e.excludedMeshes.splice(t, 1);
                    var i = e.getShadowGenerator();
                    if (i) {
                        var n = i.getShadowMap();
                        n && n.renderList && -1 !== (t = n.renderList.indexOf(r)) && n.renderList.splice(t, 1)
                    }
                }
                )),
                "InstancedMesh" === this.getClassName() && "InstancedLinesMesh" === this.getClassName() || this.releaseSubMeshes();
                var s = this.getScene().getEngine();
                if (null !== this._occlusionQuery && (this.isOcclusionQueryInProgress = !1,
                s.deleteQuery(this._occlusionQuery),
                this._occlusionQuery = null),
                s.wipeCaches(),
                this.getScene().removeMesh(this),
                this._parentContainer) {
                    var l = this._parentContainer.meshes.indexOf(this);
                    l > -1 && this._parentContainer.meshes.splice(l, 1),
                    this._parentContainer = null
                }
                if (i && this.material && ("MultiMaterial" === this.material.getClassName() ? this.material.dispose(!1, !0, !0) : this.material.dispose(!1, !0)),
                !t)
                    for (n = 0; n < this.getScene().particleSystems.length; n++)
                        this.getScene().particleSystems[n].emitter === this && (this.getScene().particleSystems[n].dispose(),
                        n--);
                this._internalAbstractMeshDataInfo._facetData.facetDataEnabled && this.disableFacetData(),
                this._uniformBuffer.dispose(),
                this.onAfterWorldMatrixUpdateObservable.clear(),
                this.onCollideObservable.clear(),
                this.onCollisionPositionChangeObservable.clear(),
                this.onRebuildObservable.clear(),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.prototype.addChild = function(e, t) {
                return void 0 === t && (t = !1),
                e.setParent(this, t),
                this
            }
            ,
            t.prototype.removeChild = function(e, t) {
                return void 0 === t && (t = !1),
                e.setParent(null, t),
                this
            }
            ,
            t.prototype._initFacetData = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                e.facetNormals || (e.facetNormals = new Array),
                e.facetPositions || (e.facetPositions = new Array),
                e.facetPartitioning || (e.facetPartitioning = new Array),
                e.facetNb = this.getIndices().length / 3 | 0,
                e.partitioningSubdivisions = e.partitioningSubdivisions ? e.partitioningSubdivisions : 10,
                e.partitioningBBoxRatio = e.partitioningBBoxRatio ? e.partitioningBBoxRatio : 1.01;
                for (var t = 0; t < e.facetNb; t++)
                    e.facetNormals[t] = x.Zero(),
                    e.facetPositions[t] = x.Zero();
                return e.facetDataEnabled = !0,
                this
            }
            ,
            t.prototype.updateFacetData = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                e.facetDataEnabled || this._initFacetData();
                var t = this.getVerticesData(Bi.PositionKind)
                  , i = this.getIndices()
                  , n = this.getVerticesData(Bi.NormalKind)
                  , r = this.getBoundingInfo();
                if (e.facetDepthSort && !e.facetDepthSortEnabled) {
                    if (e.facetDepthSortEnabled = !0,
                    i instanceof Uint16Array)
                        e.depthSortedIndices = new Uint16Array(i);
                    else if (i instanceof Uint32Array)
                        e.depthSortedIndices = new Uint32Array(i);
                    else {
                        for (var o = !1, a = 0; a < i.length; a++)
                            if (i[a] > 65535) {
                                o = !0;
                                break
                            }
                        e.depthSortedIndices = o ? new Uint32Array(i) : new Uint16Array(i)
                    }
                    if (e.facetDepthSortFunction = function(e, t) {
                        return t.sqDistance - e.sqDistance
                    }
                    ,
                    !e.facetDepthSortFrom) {
                        var s = this.getScene().activeCamera;
                        e.facetDepthSortFrom = s ? s.position : x.Zero()
                    }
                    e.depthSortedFacets = [];
                    for (var l = 0; l < e.facetNb; l++) {
                        var c = {
                            ind: 3 * l,
                            sqDistance: 0
                        };
                        e.depthSortedFacets.push(c)
                    }
                    e.invertedMatrix = P.Identity(),
                    e.facetDepthSortOrigin = x.Zero()
                }
                e.bbSize.x = r.maximum.x - r.minimum.x > m ? r.maximum.x - r.minimum.x : m,
                e.bbSize.y = r.maximum.y - r.minimum.y > m ? r.maximum.y - r.minimum.y : m,
                e.bbSize.z = r.maximum.z - r.minimum.z > m ? r.maximum.z - r.minimum.z : m;
                var u = e.bbSize.x > e.bbSize.y ? e.bbSize.x : e.bbSize.y;
                if (u = u > e.bbSize.z ? u : e.bbSize.z,
                e.subDiv.max = e.partitioningSubdivisions,
                e.subDiv.X = Math.floor(e.subDiv.max * e.bbSize.x / u),
                e.subDiv.Y = Math.floor(e.subDiv.max * e.bbSize.y / u),
                e.subDiv.Z = Math.floor(e.subDiv.max * e.bbSize.z / u),
                e.subDiv.X = e.subDiv.X < 1 ? 1 : e.subDiv.X,
                e.subDiv.Y = e.subDiv.Y < 1 ? 1 : e.subDiv.Y,
                e.subDiv.Z = e.subDiv.Z < 1 ? 1 : e.subDiv.Z,
                e.facetParameters.facetNormals = this.getFacetLocalNormals(),
                e.facetParameters.facetPositions = this.getFacetLocalPositions(),
                e.facetParameters.facetPartitioning = this.getFacetLocalPartitioning(),
                e.facetParameters.bInfo = r,
                e.facetParameters.bbSize = e.bbSize,
                e.facetParameters.subDiv = e.subDiv,
                e.facetParameters.ratio = this.partitioningBBoxRatio,
                e.facetParameters.depthSort = e.facetDepthSort,
                e.facetDepthSort && e.facetDepthSortEnabled && (this.computeWorldMatrix(!0),
                this._worldMatrix.invertToRef(e.invertedMatrix),
                x.TransformCoordinatesToRef(e.facetDepthSortFrom, e.invertedMatrix, e.facetDepthSortOrigin),
                e.facetParameters.distanceTo = e.facetDepthSortOrigin),
                e.facetParameters.depthSortedFacets = e.depthSortedFacets,
                n && $n.ComputeNormals(t, i, n, e.facetParameters),
                e.facetDepthSort && e.facetDepthSortEnabled) {
                    e.depthSortedFacets.sort(e.facetDepthSortFunction);
                    var h = e.depthSortedIndices.length / 3 | 0;
                    for (l = 0; l < h; l++) {
                        var d = e.depthSortedFacets[l].ind;
                        e.depthSortedIndices[3 * l] = i[d],
                        e.depthSortedIndices[3 * l + 1] = i[d + 1],
                        e.depthSortedIndices[3 * l + 2] = i[d + 2]
                    }
                    this.updateIndices(e.depthSortedIndices, void 0, !0)
                }
                return this
            }
            ,
            t.prototype.getFacetLocalNormals = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                return e.facetNormals || this.updateFacetData(),
                e.facetNormals
            }
            ,
            t.prototype.getFacetLocalPositions = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                return e.facetPositions || this.updateFacetData(),
                e.facetPositions
            }
            ,
            t.prototype.getFacetLocalPartitioning = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                return e.facetPartitioning || this.updateFacetData(),
                e.facetPartitioning
            }
            ,
            t.prototype.getFacetPosition = function(e) {
                var t = x.Zero();
                return this.getFacetPositionToRef(e, t),
                t
            }
            ,
            t.prototype.getFacetPositionToRef = function(e, t) {
                var i = this.getFacetLocalPositions()[e]
                  , n = this.getWorldMatrix();
                return x.TransformCoordinatesToRef(i, n, t),
                this
            }
            ,
            t.prototype.getFacetNormal = function(e) {
                var t = x.Zero();
                return this.getFacetNormalToRef(e, t),
                t
            }
            ,
            t.prototype.getFacetNormalToRef = function(e, t) {
                var i = this.getFacetLocalNormals()[e];
                return x.TransformNormalToRef(i, this.getWorldMatrix(), t),
                this
            }
            ,
            t.prototype.getFacetsAtLocalCoordinates = function(e, t, i) {
                var n = this.getBoundingInfo()
                  , r = this._internalAbstractMeshDataInfo._facetData
                  , o = Math.floor((e - n.minimum.x * r.partitioningBBoxRatio) * r.subDiv.X * r.partitioningBBoxRatio / r.bbSize.x)
                  , a = Math.floor((t - n.minimum.y * r.partitioningBBoxRatio) * r.subDiv.Y * r.partitioningBBoxRatio / r.bbSize.y)
                  , s = Math.floor((i - n.minimum.z * r.partitioningBBoxRatio) * r.subDiv.Z * r.partitioningBBoxRatio / r.bbSize.z);
                return o < 0 || o > r.subDiv.max || a < 0 || a > r.subDiv.max || s < 0 || s > r.subDiv.max ? null : r.facetPartitioning[o + r.subDiv.max * a + r.subDiv.max * r.subDiv.max * s]
            }
            ,
            t.prototype.getClosestFacetAtCoordinates = function(e, t, i, n, r, o) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0);
                var a = this.getWorldMatrix()
                  , s = I.Matrix[5];
                a.invertToRef(s);
                var l = I.Vector3[8];
                x.TransformCoordinatesFromFloatsToRef(e, t, i, s, l);
                var c = this.getClosestFacetAtLocalCoordinates(l.x, l.y, l.z, n, r, o);
                return n && x.TransformCoordinatesFromFloatsToRef(n.x, n.y, n.z, a, n),
                c
            }
            ,
            t.prototype.getClosestFacetAtLocalCoordinates = function(e, t, i, n, r, o) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0);
                var a = null
                  , s = 0
                  , l = 0
                  , c = 0
                  , u = 0
                  , h = 0
                  , d = 0
                  , p = 0
                  , f = 0
                  , _ = this.getFacetLocalPositions()
                  , m = this.getFacetLocalNormals()
                  , g = this.getFacetsAtLocalCoordinates(e, t, i);
                if (!g)
                    return null;
                for (var v, y, b, T = Number.MAX_VALUE, E = T, S = 0; S < g.length; S++)
                    y = m[v = g[S]],
                    u = (e - (b = _[v]).x) * y.x + (t - b.y) * y.y + (i - b.z) * y.z,
                    (!r || r && o && u >= 0 || r && !o && u <= 0) && (u = y.x * b.x + y.y * b.y + y.z * b.z,
                    h = -(y.x * e + y.y * t + y.z * i - u) / (y.x * y.x + y.y * y.y + y.z * y.z),
                    (E = (s = (d = e + y.x * h) - e) * s + (l = (p = t + y.y * h) - t) * l + (c = (f = i + y.z * h) - i) * c) < T && (T = E,
                    a = v,
                    n && (n.x = d,
                    n.y = p,
                    n.z = f)));
                return a
            }
            ,
            t.prototype.getFacetDataParameters = function() {
                return this._internalAbstractMeshDataInfo._facetData.facetParameters
            }
            ,
            t.prototype.disableFacetData = function() {
                var e = this._internalAbstractMeshDataInfo._facetData;
                return e.facetDataEnabled && (e.facetDataEnabled = !1,
                e.facetPositions = new Array,
                e.facetNormals = new Array,
                e.facetPartitioning = new Array,
                e.facetParameters = null,
                e.depthSortedIndices = new Uint32Array(0)),
                this
            }
            ,
            t.prototype.updateIndices = function(e, t, i) {
                return void 0 === i && (i = !1),
                this
            }
            ,
            t.prototype.createNormals = function(e) {
                var t, i = this.getVerticesData(Bi.PositionKind), n = this.getIndices();
                return t = this.isVerticesDataPresent(Bi.NormalKind) ? this.getVerticesData(Bi.NormalKind) : [],
                $n.ComputeNormals(i, n, t, {
                    useRightHandedSystem: this.getScene().useRightHandedSystem
                }),
                this.setVerticesData(Bi.NormalKind, t, e),
                this
            }
            ,
            t.prototype.alignWithNormal = function(e, t) {
                t || (t = vn.Y);
                var i = I.Vector3[0]
                  , n = I.Vector3[1];
                return x.CrossToRef(t, e, n),
                x.CrossToRef(e, n, i),
                this.rotationQuaternion ? C.RotationQuaternionFromAxisToRef(i, e, n, this.rotationQuaternion) : x.RotationFromAxisToRef(i, e, n, this.rotation),
                this
            }
            ,
            t.prototype._checkOcclusionQuery = function() {
                return !1
            }
            ,
            t.prototype.disableEdgesRendering = function() {
                throw be("EdgesRenderer")
            }
            ,
            t.prototype.enableEdgesRendering = function(e, t, i) {
                throw be("EdgesRenderer")
            }
            ,
            t.prototype.getConnectedParticleSystems = function() {
                var e = this;
                return this._scene.particleSystems.filter((function(t) {
                    return t.emitter === e
                }
                ))
            }
            ,
            t.OCCLUSION_TYPE_NONE = 0,
            t.OCCLUSION_TYPE_OPTIMISTIC = 1,
            t.OCCLUSION_TYPE_STRICT = 2,
            t.OCCLUSION_ALGORITHM_TYPE_ACCURATE = 0,
            t.OCCLUSION_ALGORITHM_TYPE_CONSERVATIVE = 1,
            t.CULLINGSTRATEGY_STANDARD = a.MESHES_CULLINGSTRATEGY_STANDARD,
            t.CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY = a.MESHES_CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY,
            t.CULLINGSTRATEGY_OPTIMISTIC_INCLUSION = a.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION,
            t.CULLINGSTRATEGY_OPTIMISTIC_INCLUSION_THEN_BSPHERE_ONLY = a.MESHES_CULLINGSTRATEGY_OPTIMISTIC_INCLUSION_THEN_BSPHERE_ONLY,
            t
        }(yr);
        y("BABYLON.AbstractMesh", Sr);
        var Ar, xr = function() {
            function e(e, t, i, n) {
                this.x = e,
                this.y = t,
                this.width = i,
                this.height = n
            }
            return e.prototype.toGlobal = function(t, i) {
                return new e(this.x * t,this.y * i,this.width * t,this.height * i)
            }
            ,
            e.prototype.toGlobalToRef = function(e, t, i) {
                return i.x = this.x * e,
                i.y = this.y * t,
                i.width = this.width * e,
                i.height = this.height * t,
                this
            }
            ,
            e.prototype.clone = function() {
                return new e(this.x,this.y,this.width,this.height)
            }
            ,
            e
        }(), Rr = function(e) {
            function t(i, n, r, o) {
                void 0 === o && (o = !0);
                var a = e.call(this, i, r) || this;
                return a._position = x.Zero(),
                a._upVector = x.Up(),
                a.orthoLeft = null,
                a.orthoRight = null,
                a.orthoBottom = null,
                a.orthoTop = null,
                a.fov = .8,
                a.projectionPlaneTilt = 0,
                a.minZ = 1,
                a.maxZ = 1e4,
                a.inertia = .9,
                a.mode = t.PERSPECTIVE_CAMERA,
                a.isIntermediate = !1,
                a.viewport = new xr(0,0,1,1),
                a.layerMask = 268435455,
                a.fovMode = t.FOVMODE_VERTICAL_FIXED,
                a.cameraRigMode = t.RIG_MODE_NONE,
                a.customRenderTargets = new Array,
                a.outputRenderTarget = null,
                a.onViewMatrixChangedObservable = new h,
                a.onProjectionMatrixChangedObservable = new h,
                a.onAfterCheckInputsObservable = new h,
                a.onRestoreStateObservable = new h,
                a.isRigCamera = !1,
                a._rigCameras = new Array,
                a._webvrViewMatrix = P.Identity(),
                a._skipRendering = !1,
                a._projectionMatrix = new P,
                a._postProcesses = new Array,
                a._activeMeshes = new bi(256),
                a._globalPosition = x.Zero(),
                a._computedViewMatrix = P.Identity(),
                a._doNotComputeProjectionMatrix = !1,
                a._transformMatrix = P.Zero(),
                a._refreshFrustumPlanes = !0,
                a._absoluteRotation = C.Identity(),
                a._isCamera = !0,
                a._isLeftCamera = !1,
                a._isRightCamera = !1,
                a.getScene().addCamera(a),
                o && !a.getScene().activeCamera && (a.getScene().activeCamera = a),
                a.position = n,
                a.renderPassId = a.getScene().getEngine().createRenderPassId("Camera ".concat(i)),
                a
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._position
                },
                set: function(e) {
                    this._position = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "upVector", {
                get: function() {
                    return this._upVector
                },
                set: function(e) {
                    this._upVector = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "screenArea", {
                get: function() {
                    var e, i, n, r, o = 0, a = 0;
                    if (this.mode === t.PERSPECTIVE_CAMERA)
                        this.fovMode === t.FOVMODE_VERTICAL_FIXED ? (a = 2 * this.minZ * Math.tan(this.fov / 2),
                        o = this.getEngine().getAspectRatio(this) * a) : a = (o = 2 * this.minZ * Math.tan(this.fov / 2)) / this.getEngine().getAspectRatio(this);
                    else {
                        var s = this.getEngine().getRenderWidth() / 2
                          , l = this.getEngine().getRenderHeight() / 2;
                        o = (null !== (e = this.orthoRight) && void 0 !== e ? e : s) - (null !== (i = this.orthoLeft) && void 0 !== i ? i : -s),
                        a = (null !== (n = this.orthoTop) && void 0 !== n ? n : l) - (null !== (r = this.orthoBottom) && void 0 !== r ? r : -l)
                    }
                    return o * a
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.storeState = function() {
                return this._stateStored = !0,
                this._storedFov = this.fov,
                this
            }
            ,
            t.prototype._restoreStateValues = function() {
                return !!this._stateStored && (this.fov = this._storedFov,
                !0)
            }
            ,
            t.prototype.restoreState = function() {
                return !!this._restoreStateValues() && (this.onRestoreStateObservable.notifyObservers(this),
                !0)
            }
            ,
            t.prototype.getClassName = function() {
                return "Camera"
            }
            ,
            t.prototype.toString = function(e) {
                var t = "Name: " + this.name;
                if (t += ", type: " + this.getClassName(),
                this.animations)
                    for (var i = 0; i < this.animations.length; i++)
                        t += ", animation[0]: " + this.animations[i].toString(e);
                return t
            }
            ,
            t.prototype.applyVerticalCorrection = function() {
                var e = this.absoluteRotation.toEulerAngles();
                this.projectionPlaneTilt = this._scene.useRightHandedSystem ? -e.x : e.x
            }
            ,
            Object.defineProperty(t.prototype, "globalPosition", {
                get: function() {
                    return this._globalPosition
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveMeshes = function() {
                return this._activeMeshes
            }
            ,
            t.prototype.isActiveMesh = function(e) {
                return -1 !== this._activeMeshes.indexOf(e)
            }
            ,
            t.prototype.isReady = function(t) {
                if (void 0 === t && (t = !1),
                t)
                    for (var i = 0, n = this._postProcesses; i < n.length; i++) {
                        var r = n[i];
                        if (r && !r.isReady())
                            return !1
                    }
                return e.prototype.isReady.call(this, t)
            }
            ,
            t.prototype._initCache = function() {
                e.prototype._initCache.call(this),
                this._cache.position = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cache.upVector = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cache.mode = void 0,
                this._cache.minZ = void 0,
                this._cache.maxZ = void 0,
                this._cache.fov = void 0,
                this._cache.fovMode = void 0,
                this._cache.aspectRatio = void 0,
                this._cache.orthoLeft = void 0,
                this._cache.orthoRight = void 0,
                this._cache.orthoBottom = void 0,
                this._cache.orthoTop = void 0,
                this._cache.renderWidth = void 0,
                this._cache.renderHeight = void 0
            }
            ,
            t.prototype._updateCache = function(t) {
                t || e.prototype._updateCache.call(this),
                this._cache.position.copyFrom(this.position),
                this._cache.upVector.copyFrom(this.upVector)
            }
            ,
            t.prototype._isSynchronized = function() {
                return this._isSynchronizedViewMatrix() && this._isSynchronizedProjectionMatrix()
            }
            ,
            t.prototype._isSynchronizedViewMatrix = function() {
                return !!e.prototype._isSynchronized.call(this) && this._cache.position.equals(this.position) && this._cache.upVector.equals(this.upVector) && this.isSynchronizedWithParent()
            }
            ,
            t.prototype._isSynchronizedProjectionMatrix = function() {
                var e = this._cache.mode === this.mode && this._cache.minZ === this.minZ && this._cache.maxZ === this.maxZ;
                if (!e)
                    return !1;
                var i = this.getEngine();
                return this.mode === t.PERSPECTIVE_CAMERA ? this._cache.fov === this.fov && this._cache.fovMode === this.fovMode && this._cache.aspectRatio === i.getAspectRatio(this) && this._cache.projectionPlaneTilt === this.projectionPlaneTilt : this._cache.orthoLeft === this.orthoLeft && this._cache.orthoRight === this.orthoRight && this._cache.orthoBottom === this.orthoBottom && this._cache.orthoTop === this.orthoTop && this._cache.renderWidth === i.getRenderWidth() && this._cache.renderHeight === i.getRenderHeight()
            }
            ,
            t.prototype.attachControl = function(e, t) {}
            ,
            t.prototype.detachControl = function(e) {}
            ,
            t.prototype.update = function() {
                this._checkInputs(),
                this.cameraRigMode !== t.RIG_MODE_NONE && this._updateRigCameras()
            }
            ,
            t.prototype._checkInputs = function() {
                this.onAfterCheckInputsObservable.notifyObservers(this)
            }
            ,
            Object.defineProperty(t.prototype, "rigCameras", {
                get: function() {
                    return this._rigCameras
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rigPostProcess", {
                get: function() {
                    return this._rigPostProcess
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getFirstPostProcess = function() {
                for (var e = 0; e < this._postProcesses.length; e++)
                    if (null !== this._postProcesses[e])
                        return this._postProcesses[e];
                return null
            }
            ,
            t.prototype._cascadePostProcessesToRigCams = function() {
                var e = this._getFirstPostProcess();
                e && e.markTextureDirty();
                for (var t = 0, i = this._rigCameras.length; t < i; t++) {
                    var n = this._rigCameras[t]
                      , r = n._rigPostProcess;
                    r ? ("pass" === r.getEffectName() && (n.isIntermediate = 0 === this._postProcesses.length),
                    n._postProcesses = this._postProcesses.slice(0).concat(r),
                    r.markTextureDirty()) : n._postProcesses = this._postProcesses.slice(0)
                }
            }
            ,
            t.prototype.attachPostProcess = function(e, t) {
                return void 0 === t && (t = null),
                !e.isReusable() && this._postProcesses.indexOf(e) > -1 ? (K.Error("You're trying to reuse a post process not defined as reusable."),
                0) : (null == t || t < 0 ? this._postProcesses.push(e) : null === this._postProcesses[t] ? this._postProcesses[t] = e : this._postProcesses.splice(t, 0, e),
                this._cascadePostProcessesToRigCams(),
                this._scene.prePassRenderer && this._scene.prePassRenderer.markAsDirty(),
                this._postProcesses.indexOf(e))
            }
            ,
            t.prototype.detachPostProcess = function(e) {
                var t = this._postProcesses.indexOf(e);
                -1 !== t && (this._postProcesses[t] = null),
                this._scene.prePassRenderer && this._scene.prePassRenderer.markAsDirty(),
                this._cascadePostProcessesToRigCams()
            }
            ,
            t.prototype.getWorldMatrix = function() {
                return this._isSynchronizedViewMatrix() || this.getViewMatrix(),
                this._worldMatrix
            }
            ,
            t.prototype._getViewMatrix = function() {
                return P.Identity()
            }
            ,
            t.prototype.getViewMatrix = function(e) {
                return !e && this._isSynchronizedViewMatrix() || (this.updateCache(),
                this._computedViewMatrix = this._getViewMatrix(),
                this._currentRenderId = this.getScene().getRenderId(),
                this._childUpdateId++,
                this._refreshFrustumPlanes = !0,
                this._cameraRigParams && this._cameraRigParams.vrPreViewMatrix && this._computedViewMatrix.multiplyToRef(this._cameraRigParams.vrPreViewMatrix, this._computedViewMatrix),
                this.parent && this.parent.onViewMatrixChangedObservable && this.parent.onViewMatrixChangedObservable.notifyObservers(this.parent),
                this.onViewMatrixChangedObservable.notifyObservers(this),
                this._computedViewMatrix.invertToRef(this._worldMatrix)),
                this._computedViewMatrix
            }
            ,
            t.prototype.freezeProjectionMatrix = function(e) {
                this._doNotComputeProjectionMatrix = !0,
                void 0 !== e && (this._projectionMatrix = e)
            }
            ,
            t.prototype.unfreezeProjectionMatrix = function() {
                this._doNotComputeProjectionMatrix = !1
            }
            ,
            t.prototype.getProjectionMatrix = function(e) {
                var i, n, r, o, a, s, l, c;
                if (this._doNotComputeProjectionMatrix || !e && this._isSynchronizedProjectionMatrix())
                    return this._projectionMatrix;
                this._cache.mode = this.mode,
                this._cache.minZ = this.minZ,
                this._cache.maxZ = this.maxZ,
                this._refreshFrustumPlanes = !0;
                var u = this.getEngine()
                  , h = this.getScene();
                if (this.mode === t.PERSPECTIVE_CAMERA) {
                    this._cache.fov = this.fov,
                    this._cache.fovMode = this.fovMode,
                    this._cache.aspectRatio = u.getAspectRatio(this),
                    this._cache.projectionPlaneTilt = this.projectionPlaneTilt,
                    this.minZ <= 0 && (this.minZ = .1);
                    var d = u.useReverseDepthBuffer;
                    (h.useRightHandedSystem ? P.PerspectiveFovRHToRef : P.PerspectiveFovLHToRef)(this.fov, u.getAspectRatio(this), d ? this.maxZ : this.minZ, d ? this.minZ : this.maxZ, this._projectionMatrix, this.fovMode === t.FOVMODE_VERTICAL_FIXED, u.isNDCHalfZRange, this.projectionPlaneTilt, u.useReverseDepthBuffer)
                } else {
                    var p = u.getRenderWidth() / 2
                      , f = u.getRenderHeight() / 2;
                    h.useRightHandedSystem ? P.OrthoOffCenterRHToRef(null !== (i = this.orthoLeft) && void 0 !== i ? i : -p, null !== (n = this.orthoRight) && void 0 !== n ? n : p, null !== (r = this.orthoBottom) && void 0 !== r ? r : -f, null !== (o = this.orthoTop) && void 0 !== o ? o : f, this.minZ, this.maxZ, this._projectionMatrix, u.isNDCHalfZRange) : P.OrthoOffCenterLHToRef(null !== (a = this.orthoLeft) && void 0 !== a ? a : -p, null !== (s = this.orthoRight) && void 0 !== s ? s : p, null !== (l = this.orthoBottom) && void 0 !== l ? l : -f, null !== (c = this.orthoTop) && void 0 !== c ? c : f, this.minZ, this.maxZ, this._projectionMatrix, u.isNDCHalfZRange),
                    this._cache.orthoLeft = this.orthoLeft,
                    this._cache.orthoRight = this.orthoRight,
                    this._cache.orthoBottom = this.orthoBottom,
                    this._cache.orthoTop = this.orthoTop,
                    this._cache.renderWidth = u.getRenderWidth(),
                    this._cache.renderHeight = u.getRenderHeight()
                }
                return this.onProjectionMatrixChangedObservable.notifyObservers(this),
                this._projectionMatrix
            }
            ,
            t.prototype.getTransformationMatrix = function() {
                return this._computedViewMatrix.multiplyToRef(this._projectionMatrix, this._transformMatrix),
                this._transformMatrix
            }
            ,
            t.prototype._updateFrustumPlanes = function() {
                this._refreshFrustumPlanes && (this.getTransformationMatrix(),
                this._frustumPlanes ? dn.GetPlanesToRef(this._transformMatrix, this._frustumPlanes) : this._frustumPlanes = dn.GetPlanes(this._transformMatrix),
                this._refreshFrustumPlanes = !1)
            }
            ,
            t.prototype.isInFrustum = function(e, t) {
                if (void 0 === t && (t = !1),
                this._updateFrustumPlanes(),
                t && this.rigCameras.length > 0) {
                    var i = !1;
                    return this.rigCameras.forEach((function(t) {
                        t._updateFrustumPlanes(),
                        i = i || e.isInFrustum(t._frustumPlanes)
                    }
                    )),
                    i
                }
                return e.isInFrustum(this._frustumPlanes)
            }
            ,
            t.prototype.isCompletelyInFrustum = function(e) {
                return this._updateFrustumPlanes(),
                e.isCompletelyInFrustum(this._frustumPlanes)
            }
            ,
            t.prototype.getForwardRay = function(e, t, i) {
                throw void 0 === e && (e = 100),
                be("Ray")
            }
            ,
            t.prototype.getForwardRayToRef = function(e, t, i, n) {
                throw void 0 === t && (t = 100),
                be("Ray")
            }
            ,
            t.prototype.dispose = function(i, n) {
                for (void 0 === n && (n = !1),
                this.onViewMatrixChangedObservable.clear(),
                this.onProjectionMatrixChangedObservable.clear(),
                this.onAfterCheckInputsObservable.clear(),
                this.onRestoreStateObservable.clear(),
                this.inputs && this.inputs.clear(),
                this.getScene().stopAnimation(this),
                this.getScene().removeCamera(this); this._rigCameras.length > 0; ) {
                    var r = this._rigCameras.pop();
                    r && r.dispose()
                }
                if (this._parentContainer) {
                    var o = this._parentContainer.cameras.indexOf(this);
                    o > -1 && this._parentContainer.cameras.splice(o, 1),
                    this._parentContainer = null
                }
                if (this._rigPostProcess)
                    this._rigPostProcess.dispose(this),
                    this._rigPostProcess = null,
                    this._postProcesses = [];
                else if (this.cameraRigMode !== t.RIG_MODE_NONE)
                    this._rigPostProcess = null,
                    this._postProcesses = [];
                else
                    for (var a = this._postProcesses.length; --a >= 0; ) {
                        var s = this._postProcesses[a];
                        s && s.dispose(this)
                    }
                for (var l = this.customRenderTargets.length; --l >= 0; )
                    this.customRenderTargets[l].dispose();
                this.customRenderTargets = [],
                this._activeMeshes.dispose(),
                this.getScene().getEngine().releaseRenderPassId(this.renderPassId),
                e.prototype.dispose.call(this, i, n)
            }
            ,
            Object.defineProperty(t.prototype, "isLeftCamera", {
                get: function() {
                    return this._isLeftCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isRightCamera", {
                get: function() {
                    return this._isRightCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "leftCamera", {
                get: function() {
                    return this._rigCameras.length < 1 ? null : this._rigCameras[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rightCamera", {
                get: function() {
                    return this._rigCameras.length < 2 ? null : this._rigCameras[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getLeftTarget = function() {
                return this._rigCameras.length < 1 ? null : this._rigCameras[0].getTarget()
            }
            ,
            t.prototype.getRightTarget = function() {
                return this._rigCameras.length < 2 ? null : this._rigCameras[1].getTarget()
            }
            ,
            t.prototype.setCameraRigMode = function(e, i) {
                if (this.cameraRigMode !== e) {
                    for (; this._rigCameras.length > 0; ) {
                        var n = this._rigCameras.pop();
                        n && n.dispose()
                    }
                    if (this.cameraRigMode = e,
                    this._cameraRigParams = {},
                    this._cameraRigParams.interaxialDistance = i.interaxialDistance || .0637,
                    this._cameraRigParams.stereoHalfAngle = gi.ToRadians(this._cameraRigParams.interaxialDistance / .0637),
                    this.cameraRigMode !== t.RIG_MODE_NONE) {
                        var r = this.createRigCamera(this.name + "_L", 0);
                        r && (r._isLeftCamera = !0);
                        var o = this.createRigCamera(this.name + "_R", 1);
                        o && (o._isRightCamera = !0),
                        r && o && (this._rigCameras.push(r),
                        this._rigCameras.push(o))
                    }
                    this._setRigMode(i),
                    this._cascadePostProcessesToRigCams(),
                    this.update()
                }
            }
            ,
            t.prototype._setRigMode = function(e) {}
            ,
            t.prototype._getVRProjectionMatrix = function() {
                return P.PerspectiveFovLHToRef(this._cameraRigParams.vrMetrics.aspectRatioFov, this._cameraRigParams.vrMetrics.aspectRatio, this.minZ, this.maxZ, this._cameraRigParams.vrWorkMatrix, !0, this.getEngine().isNDCHalfZRange),
                this._cameraRigParams.vrWorkMatrix.multiplyToRef(this._cameraRigParams.vrHMatrix, this._projectionMatrix),
                this._projectionMatrix
            }
            ,
            t.prototype._updateCameraRotationMatrix = function() {}
            ,
            t.prototype._updateWebVRCameraRotationMatrix = function() {}
            ,
            t.prototype._getWebVRProjectionMatrix = function() {
                return P.Identity()
            }
            ,
            t.prototype._getWebVRViewMatrix = function() {
                return P.Identity()
            }
            ,
            t.prototype.setCameraRigParameter = function(e, t) {
                this._cameraRigParams || (this._cameraRigParams = {}),
                this._cameraRigParams[e] = t,
                "interaxialDistance" === e && (this._cameraRigParams.stereoHalfAngle = gi.ToRadians(t / .0637))
            }
            ,
            t.prototype.createRigCamera = function(e, t) {
                return null
            }
            ,
            t.prototype._updateRigCameras = function() {
                for (var e = 0; e < this._rigCameras.length; e++)
                    this._rigCameras[e].minZ = this.minZ,
                    this._rigCameras[e].maxZ = this.maxZ,
                    this._rigCameras[e].fov = this.fov,
                    this._rigCameras[e].upVector.copyFrom(this.upVector);
                this.cameraRigMode === t.RIG_MODE_STEREOSCOPIC_ANAGLYPH && (this._rigCameras[0].viewport = this._rigCameras[1].viewport = this.viewport)
            }
            ,
            t.prototype._setupInputs = function() {}
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.uniqueId = this.uniqueId,
                e.type = this.getClassName(),
                this.parent && (e.parentId = this.parent.uniqueId),
                this.inputs && this.inputs.serialize(e),
                Ge.AppendSerializedAnimations(this, e),
                e.ranges = this.serializeAnimationRanges(),
                e.isEnabled = this.isEnabled(),
                e
            }
            ,
            t.prototype.clone = function(e) {
                var i = Ge.Clone(t.GetConstructorFromName(this.getClassName(), e, this.getScene(), this.interaxialDistance, this.isStereoscopicSideBySide), this);
                return i.name = e,
                this.onClonedObservable.notifyObservers(i),
                i
            }
            ,
            t.prototype.getDirection = function(e) {
                var t = x.Zero();
                return this.getDirectionToRef(e, t),
                t
            }
            ,
            Object.defineProperty(t.prototype, "absoluteRotation", {
                get: function() {
                    return this.getWorldMatrix().decompose(void 0, this._absoluteRotation),
                    this._absoluteRotation
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getDirectionToRef = function(e, t) {
                x.TransformNormalToRef(e, this.getWorldMatrix(), t)
            }
            ,
            t.GetConstructorFromName = function(e, i, n, r, o) {
                return void 0 === r && (r = 0),
                void 0 === o && (o = !0),
                Xe.Construct(e, i, n, {
                    interaxial_distance: r,
                    isStereoscopicSideBySide: o
                }) || function() {
                    return t._CreateDefaultParsedCamera(i, n)
                }
            }
            ,
            t.prototype.computeWorldMatrix = function() {
                return this.getWorldMatrix()
            }
            ,
            t.Parse = function(e, i) {
                var n = e.type
                  , r = t.GetConstructorFromName(n, e.name, i, e.interaxial_distance, e.isStereoscopicSideBySide)
                  , o = Ge.Parse(r, e, i);
                if (void 0 !== e.parentId && (o._waitingParentId = e.parentId),
                o.inputs && (o.inputs.parse(e),
                o._setupInputs()),
                e.upVector && (o.upVector = x.FromArray(e.upVector)),
                o.setPosition && (o.position.copyFromFloats(0, 0, 0),
                o.setPosition(x.FromArray(e.position))),
                e.target && o.setTarget && o.setTarget(x.FromArray(e.target)),
                e.cameraRigMode) {
                    var a = e.interaxial_distance ? {
                        interaxialDistance: e.interaxial_distance
                    } : {};
                    o.setCameraRigMode(e.cameraRigMode, a)
                }
                if (e.animations) {
                    for (var s = 0; s < e.animations.length; s++) {
                        var l = e.animations[s]
                          , c = b("BABYLON.Animation");
                        c && o.animations.push(c.Parse(l))
                    }
                    Xe.ParseAnimationRanges(o, e, i)
                }
                return e.autoAnimate && i.beginAnimation(o, e.autoAnimateFrom, e.autoAnimateTo, e.autoAnimateLoop, e.autoAnimateSpeed || 1),
                void 0 !== e.isEnabled && o.setEnabled(e.isEnabled),
                o
            }
            ,
            t._CreateDefaultParsedCamera = function(e, t) {
                throw be("UniversalCamera")
            }
            ,
            t.PERSPECTIVE_CAMERA = a.PERSPECTIVE_CAMERA,
            t.ORTHOGRAPHIC_CAMERA = a.ORTHOGRAPHIC_CAMERA,
            t.FOVMODE_VERTICAL_FIXED = a.FOVMODE_VERTICAL_FIXED,
            t.FOVMODE_HORIZONTAL_FIXED = a.FOVMODE_HORIZONTAL_FIXED,
            t.RIG_MODE_NONE = a.RIG_MODE_NONE,
            t.RIG_MODE_STEREOSCOPIC_ANAGLYPH = a.RIG_MODE_STEREOSCOPIC_ANAGLYPH,
            t.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL = a.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL,
            t.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED = a.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED,
            t.RIG_MODE_STEREOSCOPIC_OVERUNDER = a.RIG_MODE_STEREOSCOPIC_OVERUNDER,
            t.RIG_MODE_STEREOSCOPIC_INTERLACED = a.RIG_MODE_STEREOSCOPIC_INTERLACED,
            t.RIG_MODE_VR = a.RIG_MODE_VR,
            t.RIG_MODE_WEBVR = a.RIG_MODE_WEBVR,
            t.RIG_MODE_CUSTOM = a.RIG_MODE_CUSTOM,
            t.ForceAttachControlToAlwaysPreventDefault = !1,
            k([De("position")], t.prototype, "_position", void 0),
            k([De("upVector")], t.prototype, "_upVector", void 0),
            k([Ce()], t.prototype, "orthoLeft", void 0),
            k([Ce()], t.prototype, "orthoRight", void 0),
            k([Ce()], t.prototype, "orthoBottom", void 0),
            k([Ce()], t.prototype, "orthoTop", void 0),
            k([Ce()], t.prototype, "fov", void 0),
            k([Ce()], t.prototype, "projectionPlaneTilt", void 0),
            k([Ce()], t.prototype, "minZ", void 0),
            k([Ce()], t.prototype, "maxZ", void 0),
            k([Ce()], t.prototype, "inertia", void 0),
            k([Ce()], t.prototype, "mode", void 0),
            k([Ce()], t.prototype, "layerMask", void 0),
            k([Ce()], t.prototype, "fovMode", void 0),
            k([Ce()], t.prototype, "cameraRigMode", void 0),
            k([Ce()], t.prototype, "interaxialDistance", void 0),
            k([Ce()], t.prototype, "isStereoscopicSideBySide", void 0),
            t
        }(Xe), Cr = function(e) {
            function t(i, n) {
                var r = e.call(this, i, n) || this;
                return r.diffuse = new D(1,1,1),
                r.specular = new D(1,1,1),
                r.falloffType = t.FALLOFF_DEFAULT,
                r.intensity = 1,
                r._range = Number.MAX_VALUE,
                r._inverseSquaredRange = 0,
                r._photometricScale = 1,
                r._intensityMode = t.INTENSITYMODE_AUTOMATIC,
                r._radius = 1e-5,
                r.renderPriority = 0,
                r._shadowEnabled = !0,
                r._excludeWithLayerMask = 0,
                r._includeOnlyWithLayerMask = 0,
                r._lightmapMode = 0,
                r._excludedMeshesIds = new Array,
                r._includedOnlyMeshesIds = new Array,
                r._isLight = !0,
                r.getScene().addLight(r),
                r._uniformBuffer = new Fi(r.getScene().getEngine(),void 0,void 0,i),
                r._buildUniformLayout(),
                r.includedOnlyMeshes = new Array,
                r.excludedMeshes = new Array,
                r._resyncMeshes(),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "range", {
                get: function() {
                    return this._range
                },
                set: function(e) {
                    this._range = e,
                    this._inverseSquaredRange = 1 / (this.range * this.range)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "intensityMode", {
                get: function() {
                    return this._intensityMode
                },
                set: function(e) {
                    this._intensityMode = e,
                    this._computePhotometricScale()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "radius", {
                get: function() {
                    return this._radius
                },
                set: function(e) {
                    this._radius = e,
                    this._computePhotometricScale()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowEnabled", {
                get: function() {
                    return this._shadowEnabled
                },
                set: function(e) {
                    this._shadowEnabled !== e && (this._shadowEnabled = e,
                    this._markMeshesAsLightDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "includedOnlyMeshes", {
                get: function() {
                    return this._includedOnlyMeshes
                },
                set: function(e) {
                    this._includedOnlyMeshes = e,
                    this._hookArrayForIncludedOnly(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "excludedMeshes", {
                get: function() {
                    return this._excludedMeshes
                },
                set: function(e) {
                    this._excludedMeshes = e,
                    this._hookArrayForExcluded(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "excludeWithLayerMask", {
                get: function() {
                    return this._excludeWithLayerMask
                },
                set: function(e) {
                    this._excludeWithLayerMask = e,
                    this._resyncMeshes()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "includeOnlyWithLayerMask", {
                get: function() {
                    return this._includeOnlyWithLayerMask
                },
                set: function(e) {
                    this._includeOnlyWithLayerMask = e,
                    this._resyncMeshes()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lightmapMode", {
                get: function() {
                    return this._lightmapMode
                },
                set: function(e) {
                    this._lightmapMode !== e && (this._lightmapMode = e,
                    this._markMeshesAsLightDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.transferTexturesToEffect = function(e, t) {
                return this
            }
            ,
            t.prototype._bindLight = function(e, t, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.toString()
                  , a = !1;
                if (this._uniformBuffer.bindToEffect(i, "Light" + o),
                this._renderId !== t.getRenderId() || this._lastUseSpecular !== n || !this._uniformBuffer.useUbo) {
                    this._renderId = t.getRenderId(),
                    this._lastUseSpecular = n;
                    var s = this.getScaledIntensity();
                    this.transferToEffect(i, o),
                    this.diffuse.scaleToRef(s, L.Color3[0]),
                    this._uniformBuffer.updateColor4("vLightDiffuse", L.Color3[0], this.range, o),
                    n && (this.specular.scaleToRef(s, L.Color3[1]),
                    this._uniformBuffer.updateColor4("vLightSpecular", L.Color3[1], this.radius, o)),
                    a = !0
                }
                if (this.transferTexturesToEffect(i, o),
                t.shadowsEnabled && this.shadowEnabled && r) {
                    var l = this.getShadowGenerator();
                    l && (l.bindShadowLight(o, i),
                    a = !0)
                }
                a ? this._uniformBuffer.update() : this._uniformBuffer.bindUniformBuffer()
            }
            ,
            t.prototype.getClassName = function() {
                return "Light"
            }
            ,
            t.prototype.toString = function(e) {
                var t = "Name: " + this.name;
                if (t += ", type: " + ["Point", "Directional", "Spot", "Hemispheric"][this.getTypeID()],
                this.animations)
                    for (var i = 0; i < this.animations.length; i++)
                        t += ", animation[0]: " + this.animations[i].toString(e);
                return t
            }
            ,
            t.prototype._syncParentEnabledState = function() {
                e.prototype._syncParentEnabledState.call(this),
                this.isDisposed() || this._resyncMeshes()
            }
            ,
            t.prototype.setEnabled = function(t) {
                e.prototype.setEnabled.call(this, t),
                this._resyncMeshes()
            }
            ,
            t.prototype.getShadowGenerator = function() {
                return this._shadowGenerator
            }
            ,
            t.prototype.getAbsolutePosition = function() {
                return x.Zero()
            }
            ,
            t.prototype.canAffectMesh = function(e) {
                return !(e && (this.includedOnlyMeshes && this.includedOnlyMeshes.length > 0 && -1 === this.includedOnlyMeshes.indexOf(e) || this.excludedMeshes && this.excludedMeshes.length > 0 && -1 !== this.excludedMeshes.indexOf(e) || 0 !== this.includeOnlyWithLayerMask && 0 == (this.includeOnlyWithLayerMask & e.layerMask) || 0 !== this.excludeWithLayerMask && this.excludeWithLayerMask & e.layerMask))
            }
            ,
            t.prototype.dispose = function(t, i) {
                if (void 0 === i && (i = !1),
                this._shadowGenerator && (this._shadowGenerator.dispose(),
                this._shadowGenerator = null),
                this.getScene().stopAnimation(this),
                this._parentContainer) {
                    var n = this._parentContainer.lights.indexOf(this);
                    n > -1 && this._parentContainer.lights.splice(n, 1),
                    this._parentContainer = null
                }
                for (var r = 0, o = this.getScene().meshes; r < o.length; r++)
                    o[r]._removeLightSource(this, !0);
                this._uniformBuffer.dispose(),
                this.getScene().removeLight(this),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.prototype.getTypeID = function() {
                return 0
            }
            ,
            t.prototype.getScaledIntensity = function() {
                return this._photometricScale * this.intensity
            }
            ,
            t.prototype.clone = function(e, i) {
                void 0 === i && (i = null);
                var n = t.GetConstructorFromName(this.getTypeID(), e, this.getScene());
                if (!n)
                    return null;
                var r = Ge.Clone(n, this);
                return e && (r.name = e),
                i && (r.parent = i),
                r.setEnabled(this.isEnabled()),
                this.onClonedObservable.notifyObservers(r),
                r
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.uniqueId = this.uniqueId,
                e.type = this.getTypeID(),
                this.parent && (e.parentId = this.parent.uniqueId),
                this.excludedMeshes.length > 0 && (e.excludedMeshesIds = [],
                this.excludedMeshes.forEach((function(t) {
                    e.excludedMeshesIds.push(t.id)
                }
                ))),
                this.includedOnlyMeshes.length > 0 && (e.includedOnlyMeshesIds = [],
                this.includedOnlyMeshes.forEach((function(t) {
                    e.includedOnlyMeshesIds.push(t.id)
                }
                ))),
                Ge.AppendSerializedAnimations(this, e),
                e.ranges = this.serializeAnimationRanges(),
                e.isEnabled = this.isEnabled(),
                e
            }
            ,
            t.GetConstructorFromName = function(e, t, i) {
                return Xe.Construct("Light_Type_" + e, t, i) || null
            }
            ,
            t.Parse = function(e, i) {
                var n = t.GetConstructorFromName(e.type, e.name, i);
                if (!n)
                    return null;
                var r = Ge.Parse(n, e, i);
                if (e.excludedMeshesIds && (r._excludedMeshesIds = e.excludedMeshesIds),
                e.includedOnlyMeshesIds && (r._includedOnlyMeshesIds = e.includedOnlyMeshesIds),
                void 0 !== e.parentId && (r._waitingParentId = e.parentId),
                void 0 !== e.falloffType && (r.falloffType = e.falloffType),
                void 0 !== e.lightmapMode && (r.lightmapMode = e.lightmapMode),
                e.animations) {
                    for (var o = 0; o < e.animations.length; o++) {
                        var a = e.animations[o]
                          , s = b("BABYLON.Animation");
                        s && r.animations.push(s.Parse(a))
                    }
                    Xe.ParseAnimationRanges(r, e, i)
                }
                return e.autoAnimate && i.beginAnimation(r, e.autoAnimateFrom, e.autoAnimateTo, e.autoAnimateLoop, e.autoAnimateSpeed || 1),
                void 0 !== e.isEnabled && r.setEnabled(e.isEnabled),
                r
            }
            ,
            t.prototype._hookArrayForExcluded = function(e) {
                var t = this
                  , i = e.push;
                e.push = function() {
                    for (var n = [], r = 0; r < arguments.length; r++)
                        n[r] = arguments[r];
                    for (var o = i.apply(e, n), a = 0, s = n; a < s.length; a++) {
                        var l = s[a];
                        l._resyncLightSource(t)
                    }
                    return o
                }
                ;
                var n = e.splice;
                e.splice = function(i, r) {
                    for (var o = n.apply(e, [i, r]), a = 0, s = o; a < s.length; a++)
                        s[a]._resyncLightSource(t);
                    return o
                }
                ;
                for (var r = 0, o = e; r < o.length; r++)
                    o[r]._resyncLightSource(this)
            }
            ,
            t.prototype._hookArrayForIncludedOnly = function(e) {
                var t = this
                  , i = e.push;
                e.push = function() {
                    for (var n = [], r = 0; r < arguments.length; r++)
                        n[r] = arguments[r];
                    var o = i.apply(e, n);
                    return t._resyncMeshes(),
                    o
                }
                ;
                var n = e.splice;
                e.splice = function(i, r) {
                    var o = n.apply(e, [i, r]);
                    return t._resyncMeshes(),
                    o
                }
                ,
                this._resyncMeshes()
            }
            ,
            t.prototype._resyncMeshes = function() {
                for (var e = 0, t = this.getScene().meshes; e < t.length; e++)
                    t[e]._resyncLightSource(this)
            }
            ,
            t.prototype._markMeshesAsLightDirty = function() {
                for (var e = 0, t = this.getScene().meshes; e < t.length; e++) {
                    var i = t[e];
                    -1 !== i.lightSources.indexOf(this) && i._markSubMeshesAsLightDirty()
                }
            }
            ,
            t.prototype._computePhotometricScale = function() {
                this._photometricScale = this._getPhotometricScale(),
                this.getScene().resetCachedMaterial()
            }
            ,
            t.prototype._getPhotometricScale = function() {
                var e = 0
                  , i = this.getTypeID()
                  , n = this.intensityMode;
                switch (n === t.INTENSITYMODE_AUTOMATIC && (n = i === t.LIGHTTYPEID_DIRECTIONALLIGHT ? t.INTENSITYMODE_ILLUMINANCE : t.INTENSITYMODE_LUMINOUSINTENSITY),
                i) {
                case t.LIGHTTYPEID_POINTLIGHT:
                case t.LIGHTTYPEID_SPOTLIGHT:
                    switch (n) {
                    case t.INTENSITYMODE_LUMINOUSPOWER:
                        e = 1 / (4 * Math.PI);
                        break;
                    case t.INTENSITYMODE_LUMINOUSINTENSITY:
                        e = 1;
                        break;
                    case t.INTENSITYMODE_LUMINANCE:
                        e = this.radius * this.radius
                    }
                    break;
                case t.LIGHTTYPEID_DIRECTIONALLIGHT:
                    switch (n) {
                    case t.INTENSITYMODE_ILLUMINANCE:
                        e = 1;
                        break;
                    case t.INTENSITYMODE_LUMINANCE:
                        var r = this.radius;
                        r = Math.max(r, .001),
                        e = 2 * Math.PI * (1 - Math.cos(r))
                    }
                    break;
                case t.LIGHTTYPEID_HEMISPHERICLIGHT:
                    e = 1
                }
                return e
            }
            ,
            t.prototype._reorderLightsInScene = function() {
                var e = this.getScene();
                0 != this._renderPriority && (e.requireLightSorting = !0),
                this.getScene().sortLightsByPriority()
            }
            ,
            t.FALLOFF_DEFAULT = fn.FALLOFF_DEFAULT,
            t.FALLOFF_PHYSICAL = fn.FALLOFF_PHYSICAL,
            t.FALLOFF_GLTF = fn.FALLOFF_GLTF,
            t.FALLOFF_STANDARD = fn.FALLOFF_STANDARD,
            t.LIGHTMAP_DEFAULT = fn.LIGHTMAP_DEFAULT,
            t.LIGHTMAP_SPECULAR = fn.LIGHTMAP_SPECULAR,
            t.LIGHTMAP_SHADOWSONLY = fn.LIGHTMAP_SHADOWSONLY,
            t.INTENSITYMODE_AUTOMATIC = fn.INTENSITYMODE_AUTOMATIC,
            t.INTENSITYMODE_LUMINOUSPOWER = fn.INTENSITYMODE_LUMINOUSPOWER,
            t.INTENSITYMODE_LUMINOUSINTENSITY = fn.INTENSITYMODE_LUMINOUSINTENSITY,
            t.INTENSITYMODE_ILLUMINANCE = fn.INTENSITYMODE_ILLUMINANCE,
            t.INTENSITYMODE_LUMINANCE = fn.INTENSITYMODE_LUMINANCE,
            t.LIGHTTYPEID_POINTLIGHT = fn.LIGHTTYPEID_POINTLIGHT,
            t.LIGHTTYPEID_DIRECTIONALLIGHT = fn.LIGHTTYPEID_DIRECTIONALLIGHT,
            t.LIGHTTYPEID_SPOTLIGHT = fn.LIGHTTYPEID_SPOTLIGHT,
            t.LIGHTTYPEID_HEMISPHERICLIGHT = fn.LIGHTTYPEID_HEMISPHERICLIGHT,
            k([Me()], t.prototype, "diffuse", void 0),
            k([Me()], t.prototype, "specular", void 0),
            k([Ce()], t.prototype, "falloffType", void 0),
            k([Ce()], t.prototype, "intensity", void 0),
            k([Ce()], t.prototype, "range", null),
            k([Ce()], t.prototype, "intensityMode", null),
            k([Ce()], t.prototype, "radius", null),
            k([Ce()], t.prototype, "_renderPriority", void 0),
            k([Re("_reorderLightsInScene")], t.prototype, "renderPriority", void 0),
            k([Ce("shadowEnabled")], t.prototype, "_shadowEnabled", void 0),
            k([Ce("excludeWithLayerMask")], t.prototype, "_excludeWithLayerMask", void 0),
            k([Ce("includeOnlyWithLayerMask")], t.prototype, "_includeOnlyWithLayerMask", void 0),
            k([Ce("lightmapMode")], t.prototype, "_lightmapMode", void 0),
            t
        }(Xe), Pr = function() {
            function e() {}
            return e.BindClipPlane = function(e, t) {
                if (t.clipPlane) {
                    var i = t.clipPlane;
                    e.setFloat4("vClipPlane", i.normal.x, i.normal.y, i.normal.z, i.d)
                }
                t.clipPlane2 && (i = t.clipPlane2,
                e.setFloat4("vClipPlane2", i.normal.x, i.normal.y, i.normal.z, i.d)),
                t.clipPlane3 && (i = t.clipPlane3,
                e.setFloat4("vClipPlane3", i.normal.x, i.normal.y, i.normal.z, i.d)),
                t.clipPlane4 && (i = t.clipPlane4,
                e.setFloat4("vClipPlane4", i.normal.x, i.normal.y, i.normal.z, i.d)),
                t.clipPlane5 && (i = t.clipPlane5,
                e.setFloat4("vClipPlane5", i.normal.x, i.normal.y, i.normal.z, i.d)),
                t.clipPlane6 && (i = t.clipPlane6,
                e.setFloat4("vClipPlane6", i.normal.x, i.normal.y, i.normal.z, i.d))
            }
            ,
            e
        }(), Mr = function() {
            function e() {}
            return e.BindSceneUniformBuffer = function(e, t) {
                t.bindToEffect(e, "Scene")
            }
            ,
            e.PrepareDefinesForMergedUV = function(e, t, i) {
                t._needUVs = !0,
                t[i] = !0,
                e.getTextureMatrix().isIdentityAs3x2() ? (t[i + "DIRECTUV"] = e.coordinatesIndex + 1,
                t["MAINUV" + (e.coordinatesIndex + 1)] = !0) : t[i + "DIRECTUV"] = 0
            }
            ,
            e.BindTextureMatrix = function(e, t, i) {
                var n = e.getTextureMatrix();
                t.updateMatrix(i + "Matrix", n)
            }
            ,
            e.GetFogState = function(e, t) {
                return t.fogEnabled && e.applyFog && t.fogMode !== mn.FOGMODE_NONE
            }
            ,
            e.PrepareDefinesForMisc = function(e, t, i, n, r, o, a) {
                a._areMiscDirty && (a.LOGARITHMICDEPTH = i,
                a.POINTSIZE = n,
                a.FOG = r && this.GetFogState(e, t),
                a.NONUNIFORMSCALING = e.nonUniformScaling,
                a.ALPHATEST = o)
            }
            ,
            e.PrepareDefinesForFrameBoundValues = function(e, t, i, n, r, o) {
                void 0 === r && (r = null),
                void 0 === o && (o = !1);
                var a, s, l, c, u, h, d = !1;
                a = null == r ? void 0 !== e.clipPlane && null !== e.clipPlane : r,
                s = null == r ? void 0 !== e.clipPlane2 && null !== e.clipPlane2 : r,
                l = null == r ? void 0 !== e.clipPlane3 && null !== e.clipPlane3 : r,
                c = null == r ? void 0 !== e.clipPlane4 && null !== e.clipPlane4 : r,
                u = null == r ? void 0 !== e.clipPlane5 && null !== e.clipPlane5 : r,
                h = null == r ? void 0 !== e.clipPlane6 && null !== e.clipPlane6 : r,
                i.CLIPPLANE !== a && (i.CLIPPLANE = a,
                d = !0),
                i.CLIPPLANE2 !== s && (i.CLIPPLANE2 = s,
                d = !0),
                i.CLIPPLANE3 !== l && (i.CLIPPLANE3 = l,
                d = !0),
                i.CLIPPLANE4 !== c && (i.CLIPPLANE4 = c,
                d = !0),
                i.CLIPPLANE5 !== u && (i.CLIPPLANE5 = u,
                d = !0),
                i.CLIPPLANE6 !== h && (i.CLIPPLANE6 = h,
                d = !0),
                i.DEPTHPREPASS !== !t.getColorWrite() && (i.DEPTHPREPASS = !i.DEPTHPREPASS,
                d = !0),
                i.INSTANCES !== n && (i.INSTANCES = n,
                d = !0),
                i.INSTANCESCOLOR && !i.INSTANCES && (i.INSTANCESCOLOR = !1,
                d = !0),
                i.THIN_INSTANCES !== o && (i.THIN_INSTANCES = o,
                d = !0),
                d && i.markAsUnprocessed()
            }
            ,
            e.PrepareDefinesForBones = function(e, t) {
                if (e.useBones && e.computeBonesUsingShaders && e.skeleton) {
                    t.NUM_BONE_INFLUENCERS = e.numBoneInfluencers;
                    var i = void 0 !== t.BONETEXTURE;
                    if (e.skeleton.isUsingTextureForMatrices && i)
                        t.BONETEXTURE = !0;
                    else {
                        t.BonesPerMesh = e.skeleton.bones.length + 1,
                        t.BONETEXTURE = !i && void 0;
                        var n = e.getScene().prePassRenderer;
                        if (n && n.enabled) {
                            var r = -1 === n.excludedSkinnedMesh.indexOf(e);
                            t.BONES_VELOCITY_ENABLED = r
                        }
                    }
                } else
                    t.NUM_BONE_INFLUENCERS = 0,
                    t.BonesPerMesh = 0
            }
            ,
            e.PrepareDefinesForMorphTargets = function(e, t) {
                var i = e.morphTargetManager;
                i ? (t.MORPHTARGETS_UV = i.supportsUVs && t.UV1,
                t.MORPHTARGETS_TANGENT = i.supportsTangents && t.TANGENT,
                t.MORPHTARGETS_NORMAL = i.supportsNormals && t.NORMAL,
                t.MORPHTARGETS = i.numInfluencers > 0,
                t.NUM_MORPH_INFLUENCERS = i.numInfluencers,
                t.MORPHTARGETS_TEXTURE = i.isUsingTextureForTargets) : (t.MORPHTARGETS_UV = !1,
                t.MORPHTARGETS_TANGENT = !1,
                t.MORPHTARGETS_NORMAL = !1,
                t.MORPHTARGETS = !1,
                t.NUM_MORPH_INFLUENCERS = 0)
            }
            ,
            e.PrepareDefinesForBakedVertexAnimation = function(e, t) {
                var i = e.bakedVertexAnimationManager;
                t.BAKED_VERTEX_ANIMATION_TEXTURE = !(!i || !i.isEnabled)
            }
            ,
            e.PrepareDefinesForAttributes = function(e, t, i, n, r, o, s) {
                if (void 0 === r && (r = !1),
                void 0 === o && (o = !0),
                void 0 === s && (s = !0),
                !t._areAttributesDirty && t._needNormals === t._normals && t._needUVs === t._uvs)
                    return !1;
                t._normals = t._needNormals,
                t._uvs = t._needUVs,
                t.NORMAL = t._needNormals && e.isVerticesDataPresent(Bi.NormalKind),
                t._needNormals && e.isVerticesDataPresent(Bi.TangentKind) && (t.TANGENT = !0);
                for (var l = 1; l <= a.MAX_SUPPORTED_UV_SETS; ++l)
                    t["UV" + l] = !!t._needUVs && e.isVerticesDataPresent("uv".concat(1 === l ? "" : l));
                if (i) {
                    var c = e.useVertexColors && e.isVerticesDataPresent(Bi.ColorKind);
                    t.VERTEXCOLOR = c,
                    t.VERTEXALPHA = e.hasVertexAlpha && c && o
                }
                return e.isVerticesDataPresent(Bi.ColorInstanceKind) && (t.INSTANCESCOLOR = !0),
                n && this.PrepareDefinesForBones(e, t),
                r && this.PrepareDefinesForMorphTargets(e, t),
                s && this.PrepareDefinesForBakedVertexAnimation(e, t),
                !0
            }
            ,
            e.PrepareDefinesForMultiview = function(e, t) {
                if (e.activeCamera) {
                    var i = t.MULTIVIEW;
                    t.MULTIVIEW = null !== e.activeCamera.outputRenderTarget && e.activeCamera.outputRenderTarget.getViewCount() > 1,
                    t.MULTIVIEW != i && t.markAsUnprocessed()
                }
            }
            ,
            e.PrepareDefinesForOIT = function(e, t, i) {
                var n = t.ORDER_INDEPENDENT_TRANSPARENCY
                  , r = t.ORDER_INDEPENDENT_TRANSPARENCY_16BITS;
                t.ORDER_INDEPENDENT_TRANSPARENCY = e.useOrderIndependentTransparency && i,
                t.ORDER_INDEPENDENT_TRANSPARENCY_16BITS = !e.getEngine().getCaps().textureFloatLinearFiltering,
                n === t.ORDER_INDEPENDENT_TRANSPARENCY && r === t.ORDER_INDEPENDENT_TRANSPARENCY_16BITS || t.markAsUnprocessed()
            }
            ,
            e.PrepareDefinesForPrePass = function(e, t, i) {
                var n = t.PREPASS;
                if (t._arePrePassDirty) {
                    var r = [{
                        type: a.PREPASS_POSITION_TEXTURE_TYPE,
                        define: "PREPASS_POSITION",
                        index: "PREPASS_POSITION_INDEX"
                    }, {
                        type: a.PREPASS_VELOCITY_TEXTURE_TYPE,
                        define: "PREPASS_VELOCITY",
                        index: "PREPASS_VELOCITY_INDEX"
                    }, {
                        type: a.PREPASS_REFLECTIVITY_TEXTURE_TYPE,
                        define: "PREPASS_REFLECTIVITY",
                        index: "PREPASS_REFLECTIVITY_INDEX"
                    }, {
                        type: a.PREPASS_IRRADIANCE_TEXTURE_TYPE,
                        define: "PREPASS_IRRADIANCE",
                        index: "PREPASS_IRRADIANCE_INDEX"
                    }, {
                        type: a.PREPASS_ALBEDO_SQRT_TEXTURE_TYPE,
                        define: "PREPASS_ALBEDO_SQRT",
                        index: "PREPASS_ALBEDO_SQRT_INDEX"
                    }, {
                        type: a.PREPASS_DEPTH_TEXTURE_TYPE,
                        define: "PREPASS_DEPTH",
                        index: "PREPASS_DEPTH_INDEX"
                    }, {
                        type: a.PREPASS_NORMAL_TEXTURE_TYPE,
                        define: "PREPASS_NORMAL",
                        index: "PREPASS_NORMAL_INDEX"
                    }];
                    if (e.prePassRenderer && e.prePassRenderer.enabled && i) {
                        t.PREPASS = !0,
                        t.SCENE_MRT_COUNT = e.prePassRenderer.mrtCount;
                        for (var o = 0; o < r.length; o++) {
                            var s = e.prePassRenderer.getIndex(r[o].type);
                            -1 !== s ? (t[r[o].define] = !0,
                            t[r[o].index] = s) : t[r[o].define] = !1
                        }
                    } else
                        for (t.PREPASS = !1,
                        o = 0; o < r.length; o++)
                            t[r[o].define] = !1;
                    t.PREPASS != n && (t.markAsUnprocessed(),
                    t.markAsImageProcessingDirty())
                }
            }
            ,
            e.PrepareDefinesForLight = function(e, t, i, n, r, o, a) {
                switch (a.needNormals = !0,
                void 0 === r["LIGHT" + n] && (a.needRebuild = !0),
                r["LIGHT" + n] = !0,
                r["SPOTLIGHT" + n] = !1,
                r["HEMILIGHT" + n] = !1,
                r["POINTLIGHT" + n] = !1,
                r["DIRLIGHT" + n] = !1,
                i.prepareLightSpecificDefines(r, n),
                r["LIGHT_FALLOFF_PHYSICAL" + n] = !1,
                r["LIGHT_FALLOFF_GLTF" + n] = !1,
                r["LIGHT_FALLOFF_STANDARD" + n] = !1,
                i.falloffType) {
                case Cr.FALLOFF_GLTF:
                    r["LIGHT_FALLOFF_GLTF" + n] = !0;
                    break;
                case Cr.FALLOFF_PHYSICAL:
                    r["LIGHT_FALLOFF_PHYSICAL" + n] = !0;
                    break;
                case Cr.FALLOFF_STANDARD:
                    r["LIGHT_FALLOFF_STANDARD" + n] = !0
                }
                if (o && !i.specular.equalsFloats(0, 0, 0) && (a.specularEnabled = !0),
                r["SHADOW" + n] = !1,
                r["SHADOWCSM" + n] = !1,
                r["SHADOWCSMDEBUG" + n] = !1,
                r["SHADOWCSMNUM_CASCADES" + n] = !1,
                r["SHADOWCSMUSESHADOWMAXZ" + n] = !1,
                r["SHADOWCSMNOBLEND" + n] = !1,
                r["SHADOWCSM_RIGHTHANDED" + n] = !1,
                r["SHADOWPCF" + n] = !1,
                r["SHADOWPCSS" + n] = !1,
                r["SHADOWPOISSON" + n] = !1,
                r["SHADOWESM" + n] = !1,
                r["SHADOWCLOSEESM" + n] = !1,
                r["SHADOWCUBE" + n] = !1,
                r["SHADOWLOWQUALITY" + n] = !1,
                r["SHADOWMEDIUMQUALITY" + n] = !1,
                t && t.receiveShadows && e.shadowsEnabled && i.shadowEnabled) {
                    var s = i.getShadowGenerator();
                    if (s) {
                        var l = s.getShadowMap();
                        l && l.renderList && l.renderList.length > 0 && (a.shadowEnabled = !0,
                        s.prepareDefines(r, n))
                    }
                }
                i.lightmapMode != Cr.LIGHTMAP_DEFAULT ? (a.lightmapMode = !0,
                r["LIGHTMAPEXCLUDED" + n] = !0,
                r["LIGHTMAPNOSPECULAR" + n] = i.lightmapMode == Cr.LIGHTMAP_SHADOWSONLY) : (r["LIGHTMAPEXCLUDED" + n] = !1,
                r["LIGHTMAPNOSPECULAR" + n] = !1)
            }
            ,
            e.PrepareDefinesForLights = function(e, t, i, n, r, o) {
                if (void 0 === r && (r = 4),
                void 0 === o && (o = !1),
                !i._areLightsDirty)
                    return i._needNormals;
                var a = 0
                  , s = {
                    needNormals: !1,
                    needRebuild: !1,
                    lightmapMode: !1,
                    shadowEnabled: !1,
                    specularEnabled: !1
                };
                if (e.lightsEnabled && !o)
                    for (var l = 0, c = t.lightSources; l < c.length; l++) {
                        var u = c[l];
                        if (this.PrepareDefinesForLight(e, t, u, a, i, n, s),
                        ++a === r)
                            break
                    }
                i.SPECULARTERM = s.specularEnabled,
                i.SHADOWS = s.shadowEnabled;
                for (var h = a; h < r; h++)
                    void 0 !== i["LIGHT" + h] && (i["LIGHT" + h] = !1,
                    i["HEMILIGHT" + h] = !1,
                    i["POINTLIGHT" + h] = !1,
                    i["DIRLIGHT" + h] = !1,
                    i["SPOTLIGHT" + h] = !1,
                    i["SHADOW" + h] = !1,
                    i["SHADOWCSM" + h] = !1,
                    i["SHADOWCSMDEBUG" + h] = !1,
                    i["SHADOWCSMNUM_CASCADES" + h] = !1,
                    i["SHADOWCSMUSESHADOWMAXZ" + h] = !1,
                    i["SHADOWCSMNOBLEND" + h] = !1,
                    i["SHADOWCSM_RIGHTHANDED" + h] = !1,
                    i["SHADOWPCF" + h] = !1,
                    i["SHADOWPCSS" + h] = !1,
                    i["SHADOWPOISSON" + h] = !1,
                    i["SHADOWESM" + h] = !1,
                    i["SHADOWCLOSEESM" + h] = !1,
                    i["SHADOWCUBE" + h] = !1,
                    i["SHADOWLOWQUALITY" + h] = !1,
                    i["SHADOWMEDIUMQUALITY" + h] = !1);
                var d = e.getEngine().getCaps();
                return void 0 === i.SHADOWFLOAT && (s.needRebuild = !0),
                i.SHADOWFLOAT = s.shadowEnabled && (d.textureFloatRender && d.textureFloatLinearFiltering || d.textureHalfFloatRender && d.textureHalfFloatLinearFiltering),
                i.LIGHTMAPEXCLUDED = s.lightmapMode,
                s.needRebuild && i.rebuild(),
                s.needNormals
            }
            ,
            e.PrepareUniformsAndSamplersForLight = function(e, t, i, n, r, o) {
                void 0 === r && (r = null),
                void 0 === o && (o = !1),
                r && r.push("Light" + e),
                o || (t.push("vLightData" + e, "vLightDiffuse" + e, "vLightSpecular" + e, "vLightDirection" + e, "vLightFalloff" + e, "vLightGround" + e, "lightMatrix" + e, "shadowsInfo" + e, "depthValues" + e),
                i.push("shadowSampler" + e),
                i.push("depthSampler" + e),
                t.push("viewFrustumZ" + e, "cascadeBlendFactor" + e, "lightSizeUVCorrection" + e, "depthCorrection" + e, "penumbraDarkness" + e, "frustumLengths" + e),
                n && (i.push("projectionLightSampler" + e),
                t.push("textureProjectionMatrix" + e)))
            }
            ,
            e.PrepareUniformsAndSamplersList = function(e, t, i, n) {
                var r;
                void 0 === n && (n = 4);
                var o = null;
                if (e.uniformsNames) {
                    var a = e;
                    r = a.uniformsNames,
                    o = a.uniformBuffersNames,
                    t = a.samplers,
                    i = a.defines,
                    n = a.maxSimultaneousLights || 0
                } else
                    r = e,
                    t || (t = []);
                for (var s = 0; s < n && i["LIGHT" + s]; s++)
                    this.PrepareUniformsAndSamplersForLight(s, r, t, i["PROJECTEDLIGHTTEXTURE" + s], o);
                i.NUM_MORPH_INFLUENCERS && r.push("morphTargetInfluences"),
                i.BAKED_VERTEX_ANIMATION_TEXTURE && (r.push("bakedVertexAnimationSettings"),
                r.push("bakedVertexAnimationTextureSizeInverted"),
                r.push("bakedVertexAnimationTime"),
                t.push("bakedVertexAnimationTexture"))
            }
            ,
            e.HandleFallbacksForShadows = function(e, t, i, n) {
                void 0 === i && (i = 4),
                void 0 === n && (n = 0);
                for (var r = 0, o = 0; o < i && e["LIGHT" + o]; o++)
                    o > 0 && (r = n + o,
                    t.addFallback(r, "LIGHT" + o)),
                    e.SHADOWS || (e["SHADOW" + o] && t.addFallback(n, "SHADOW" + o),
                    e["SHADOWPCF" + o] && t.addFallback(n, "SHADOWPCF" + o),
                    e["SHADOWPCSS" + o] && t.addFallback(n, "SHADOWPCSS" + o),
                    e["SHADOWPOISSON" + o] && t.addFallback(n, "SHADOWPOISSON" + o),
                    e["SHADOWESM" + o] && t.addFallback(n, "SHADOWESM" + o),
                    e["SHADOWCLOSEESM" + o] && t.addFallback(n, "SHADOWCLOSEESM" + o));
                return r++
            }
            ,
            e.PrepareAttributesForMorphTargetsInfluencers = function(e, t, i) {
                this._TmpMorphInfluencers.NUM_MORPH_INFLUENCERS = i,
                this.PrepareAttributesForMorphTargets(e, t, this._TmpMorphInfluencers)
            }
            ,
            e.PrepareAttributesForMorphTargets = function(e, t, i) {
                var n = i.NUM_MORPH_INFLUENCERS;
                if (n > 0 && E.LastCreatedEngine) {
                    var r = E.LastCreatedEngine.getCaps().maxVertexAttribs
                      , o = t.morphTargetManager;
                    if (null == o ? void 0 : o.isUsingTextureForTargets)
                        return;
                    for (var a = o && o.supportsNormals && i.NORMAL, s = o && o.supportsTangents && i.TANGENT, l = o && o.supportsUVs && i.UV1, c = 0; c < n; c++)
                        e.push(Bi.PositionKind + c),
                        a && e.push(Bi.NormalKind + c),
                        s && e.push(Bi.TangentKind + c),
                        l && e.push(Bi.UVKind + "_" + c),
                        e.length > r && K.Error("Cannot add more vertex attributes for mesh " + t.name)
                }
            }
            ,
            e.PrepareAttributesForBakedVertexAnimation = function(e, t, i) {
                i.BAKED_VERTEX_ANIMATION_TEXTURE && i.INSTANCES && e.push("bakedVertexAnimationSettingsInstanced")
            }
            ,
            e.PrepareAttributesForBones = function(e, t, i, n) {
                i.NUM_BONE_INFLUENCERS > 0 && (n.addCPUSkinningFallback(0, t),
                e.push(Bi.MatricesIndicesKind),
                e.push(Bi.MatricesWeightsKind),
                i.NUM_BONE_INFLUENCERS > 4 && (e.push(Bi.MatricesIndicesExtraKind),
                e.push(Bi.MatricesWeightsExtraKind)))
            }
            ,
            e.PrepareAttributesForInstances = function(e, t) {
                (t.INSTANCES || t.THIN_INSTANCES) && this.PushAttributesForInstances(e, !!t.PREPASS_VELOCITY)
            }
            ,
            e.PushAttributesForInstances = function(e, t) {
                void 0 === t && (t = !1),
                e.push("world0"),
                e.push("world1"),
                e.push("world2"),
                e.push("world3"),
                t && (e.push("previousWorld0"),
                e.push("previousWorld1"),
                e.push("previousWorld2"),
                e.push("previousWorld3"))
            }
            ,
            e.BindLightProperties = function(e, t, i) {
                e.transferToEffect(t, i + "")
            }
            ,
            e.BindLight = function(e, t, i, n, r, o) {
                void 0 === o && (o = !0),
                e._bindLight(t, i, n, r, o)
            }
            ,
            e.BindLights = function(e, t, i, n, r) {
                void 0 === r && (r = 4);
                for (var o = Math.min(t.lightSources.length, r), a = 0; a < o; a++) {
                    var s = t.lightSources[a];
                    this.BindLight(s, a, e, i, "boolean" == typeof n ? n : n.SPECULARTERM, t.receiveShadows)
                }
            }
            ,
            e.BindFogParameters = function(e, t, i, n) {
                void 0 === n && (n = !1),
                e.fogEnabled && t.applyFog && e.fogMode !== mn.FOGMODE_NONE && (i.setFloat4("vFogInfos", e.fogMode, e.fogStart, e.fogEnd, e.fogDensity),
                n ? (e.fogColor.toLinearSpaceToRef(this._TempFogColor),
                i.setColor3("vFogColor", this._TempFogColor)) : i.setColor3("vFogColor", e.fogColor))
            }
            ,
            e.BindBonesParameters = function(t, i, n) {
                if (i && t && (t.computeBonesUsingShaders && i._bonesComputationForcedToCPU && (t.computeBonesUsingShaders = !1),
                t.useBones && t.computeBonesUsingShaders && t.skeleton)) {
                    var r = t.skeleton;
                    if (r.isUsingTextureForMatrices && i.getUniformIndex("boneTextureWidth") > -1) {
                        var o = r.getTransformMatrixTexture(t);
                        i.setTexture("boneSampler", o),
                        i.setFloat("boneTextureWidth", 4 * (r.bones.length + 1))
                    } else {
                        var s = r.getTransformMatrices(t);
                        s && (i.setMatrices("mBones", s),
                        n && t.getScene().prePassRenderer && t.getScene().prePassRenderer.getIndex(a.PREPASS_VELOCITY_TEXTURE_TYPE) && (n.previousBones[t.uniqueId] || (n.previousBones[t.uniqueId] = s.slice()),
                        i.setMatrices("mPreviousBones", n.previousBones[t.uniqueId]),
                        e._CopyBonesTransformationMatrices(s, n.previousBones[t.uniqueId])))
                    }
                }
            }
            ,
            e._CopyBonesTransformationMatrices = function(e, t) {
                return t.set(e),
                t
            }
            ,
            e.BindMorphTargetParameters = function(e, t) {
                var i = e.morphTargetManager;
                e && i && t.setFloatArray("morphTargetInfluences", i.influences)
            }
            ,
            e.BindLogDepth = function(e, t, i) {
                if (!e || e.LOGARITHMICDEPTH) {
                    var n = i.activeCamera;
                    n.mode === Rr.ORTHOGRAPHIC_CAMERA && K.Error("Logarithmic depth is not compatible with orthographic cameras!", 20),
                    t.setFloat("logarithmicDepthConstant", 2 / (Math.log(n.maxZ + 1) / Math.LN2))
                }
            }
            ,
            e.BindClipPlane = function(e, t) {
                Pr.BindClipPlane(e, t)
            }
            ,
            e._TmpMorphInfluencers = {
                NUM_MORPH_INFLUENCERS: 0
            },
            e._TempFogColor = D.Black(),
            e
        }(), Ir = function() {
            function e() {
                this.reset()
            }
            return e.prototype.reset = function() {
                this.enabled = !1,
                this.mask = 255,
                this.func = a.ALWAYS,
                this.funcRef = 1,
                this.funcMask = 255,
                this.opStencilFail = a.KEEP,
                this.opDepthFail = a.KEEP,
                this.opStencilDepthPass = a.REPLACE
            }
            ,
            Object.defineProperty(e.prototype, "func", {
                get: function() {
                    return this._func
                },
                set: function(e) {
                    this._func = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "funcRef", {
                get: function() {
                    return this._funcRef
                },
                set: function(e) {
                    this._funcRef = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "funcMask", {
                get: function() {
                    return this._funcMask
                },
                set: function(e) {
                    this._funcMask = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opStencilFail", {
                get: function() {
                    return this._opStencilFail
                },
                set: function(e) {
                    this._opStencilFail = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opDepthFail", {
                get: function() {
                    return this._opDepthFail
                },
                set: function(e) {
                    this._opDepthFail = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "opStencilDepthPass", {
                get: function() {
                    return this._opStencilDepthPass
                },
                set: function(e) {
                    this._opStencilDepthPass = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mask", {
                get: function() {
                    return this._mask
                },
                set: function(e) {
                    this._mask = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    this._enabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "MaterialStencilState"
            }
            ,
            e.prototype.copyTo = function(e) {
                Ge.Clone((function() {
                    return e
                }
                ), this)
            }
            ,
            e.prototype.serialize = function() {
                return Ge.Serialize(this)
            }
            ,
            e.prototype.parse = function(e, t, i) {
                var n = this;
                Ge.Parse((function() {
                    return n
                }
                ), e, t, i)
            }
            ,
            k([Ce()], e.prototype, "func", null),
            k([Ce()], e.prototype, "funcRef", null),
            k([Ce()], e.prototype, "funcMask", null),
            k([Ce()], e.prototype, "opStencilFail", null),
            k([Ce()], e.prototype, "opDepthFail", null),
            k([Ce()], e.prototype, "opStencilDepthPass", null),
            k([Ce()], e.prototype, "mask", null),
            k([Ce()], e.prototype, "enabled", null),
            e
        }();
        !function(e) {
            e[e.Created = 1] = "Created",
            e[e.Disposed = 2] = "Disposed",
            e[e.GetDefineNames = 4] = "GetDefineNames",
            e[e.PrepareUniformBuffer = 8] = "PrepareUniformBuffer",
            e[e.IsReadyForSubMesh = 16] = "IsReadyForSubMesh",
            e[e.PrepareDefines = 32] = "PrepareDefines",
            e[e.BindForSubMesh = 64] = "BindForSubMesh",
            e[e.PrepareEffect = 128] = "PrepareEffect",
            e[e.GetAnimatables = 256] = "GetAnimatables",
            e[e.GetActiveTextures = 512] = "GetActiveTextures",
            e[e.HasTexture = 1024] = "HasTexture",
            e[e.FillRenderTargetTextures = 2048] = "FillRenderTargetTextures",
            e[e.HasRenderTargetTextures = 4096] = "HasRenderTargetTextures",
            e[e.HardBindForSubMesh = 8192] = "HardBindForSubMesh"
        }(Ar || (Ar = {}));
        var Or = function() {
            function e(t, i, n) {
                this.shadowDepthWrapper = null,
                this.allowShaderHotSwapping = !0,
                this.metadata = null,
                this.reservedDataStore = null,
                this.checkReadyOnEveryCall = !1,
                this.checkReadyOnlyOnce = !1,
                this.state = "",
                this._alpha = 1,
                this._backFaceCulling = !0,
                this._cullBackFaces = !0,
                this.onCompiled = null,
                this.onError = null,
                this.getRenderTargetTextures = null,
                this.doNotSerialize = !1,
                this._storeEffectOnSubMeshes = !1,
                this.animations = null,
                this.onDisposeObservable = new h,
                this._onDisposeObserver = null,
                this._onUnBindObservable = null,
                this._onBindObserver = null,
                this._alphaMode = a.ALPHA_COMBINE,
                this._needDepthPrePass = !1,
                this.disableDepthWrite = !1,
                this.disableColorWrite = !1,
                this.forceDepthWrite = !1,
                this.depthFunction = 0,
                this.separateCullingPass = !1,
                this._fogEnabled = !0,
                this.pointSize = 1,
                this.zOffset = 0,
                this.zOffsetUnits = 0,
                this.stencil = new Ir,
                this._useUBO = !1,
                this._fillMode = e.TriangleFillMode,
                this._cachedDepthWriteState = !1,
                this._cachedColorWriteState = !1,
                this._cachedDepthFunctionState = 0,
                this._indexInSceneMaterialArray = -1,
                this.meshMap = null,
                this._parentContainer = null,
                this._uniformBufferLayoutBuilt = !1,
                this._eventInfo = {},
                this._callbackPluginEventGeneric = function() {}
                ,
                this._callbackPluginEventIsReadyForSubMesh = function() {}
                ,
                this._callbackPluginEventPrepareDefines = function() {}
                ,
                this._callbackPluginEventHardBindForSubMesh = function() {}
                ,
                this._callbackPluginEventBindForSubMesh = function() {}
                ,
                this._callbackPluginEventHasRenderTargetTextures = function() {}
                ,
                this._callbackPluginEventFillRenderTargetTextures = function() {}
                ,
                this._forceAlphaTest = !1,
                this._transparencyMode = null,
                this.name = t;
                var r = i || E.LastCreatedScene;
                r && (this._scene = r,
                this._dirtyCallbacks = {},
                this._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag] = this._markAllSubMeshesAsTexturesDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_LightDirtyFlag] = this._markAllSubMeshesAsLightsDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_FresnelDirtyFlag] = this._markAllSubMeshesAsFresnelDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_AttributesDirtyFlag] = this._markAllSubMeshesAsAttributesDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_MiscDirtyFlag] = this._markAllSubMeshesAsMiscDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_PrePassDirtyFlag] = this._markAllSubMeshesAsPrePassDirty.bind(this),
                this._dirtyCallbacks[a.MATERIAL_AllDirtyFlag] = this._markAllSubMeshesAsAllDirty.bind(this),
                this.id = t || gi.RandomId(),
                this.uniqueId = this._scene.getUniqueId(),
                this._materialContext = this._scene.getEngine().createMaterialContext(),
                this._drawWrapper = new Gt(this._scene.getEngine(),!1),
                this._drawWrapper.materialContext = this._materialContext,
                this._scene.useRightHandedSystem ? this.sideOrientation = e.ClockWiseSideOrientation : this.sideOrientation = e.CounterClockWiseSideOrientation,
                this._uniformBuffer = new Fi(this._scene.getEngine(),void 0,void 0,t),
                this._useUBO = this.getScene().getEngine().supportsUniformBuffers,
                n || this._scene.addMaterial(this),
                this._scene.useMaterialMeshMap && (this.meshMap = {}),
                e.OnEventObservable.notifyObservers(this, Ar.Created))
            }
            return Object.defineProperty(e.prototype, "canRenderToMRT", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "alpha", {
                get: function() {
                    return this._alpha
                },
                set: function(t) {
                    this._alpha !== t && (this._alpha = t,
                    this.markAsDirty(e.MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "backFaceCulling", {
                get: function() {
                    return this._backFaceCulling
                },
                set: function(t) {
                    this._backFaceCulling !== t && (this._backFaceCulling = t,
                    this.markAsDirty(e.TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cullBackFaces", {
                get: function() {
                    return this._cullBackFaces
                },
                set: function(t) {
                    this._cullBackFaces !== t && (this._cullBackFaces = t,
                    this.markAsDirty(e.TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasRenderTargetTextures", {
                get: function() {
                    return this._eventInfo.hasRenderTargetTextures = !1,
                    this._callbackPluginEventHasRenderTargetTextures(this._eventInfo),
                    this._eventInfo.hasRenderTargetTextures
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onBindObservable", {
                get: function() {
                    return this._onBindObservable || (this._onBindObservable = new h),
                    this._onBindObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onBind", {
                set: function(e) {
                    this._onBindObserver && this.onBindObservable.remove(this._onBindObserver),
                    this._onBindObserver = this.onBindObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onUnBindObservable", {
                get: function() {
                    return this._onUnBindObservable || (this._onUnBindObservable = new h),
                    this._onUnBindObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onEffectCreatedObservable", {
                get: function() {
                    return this._onEffectCreatedObservable || (this._onEffectCreatedObservable = new h),
                    this._onEffectCreatedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "alphaMode", {
                get: function() {
                    return this._alphaMode
                },
                set: function(t) {
                    this._alphaMode !== t && (this._alphaMode = t,
                    this.markAsDirty(e.TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "needDepthPrePass", {
                get: function() {
                    return this._needDepthPrePass
                },
                set: function(e) {
                    this._needDepthPrePass !== e && (this._needDepthPrePass = e,
                    this._needDepthPrePass && (this.checkReadyOnEveryCall = !0))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isPrePassCapable", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fogEnabled", {
                get: function() {
                    return this._fogEnabled
                },
                set: function(t) {
                    this._fogEnabled !== t && (this._fogEnabled = t,
                    this.markAsDirty(e.MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "wireframe", {
                get: function() {
                    switch (this._fillMode) {
                    case e.WireFrameFillMode:
                    case e.LineListDrawMode:
                    case e.LineLoopDrawMode:
                    case e.LineStripDrawMode:
                        return !0
                    }
                    return this._scene.forceWireframe
                },
                set: function(t) {
                    this.fillMode = t ? e.WireFrameFillMode : e.TriangleFillMode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "pointsCloud", {
                get: function() {
                    switch (this._fillMode) {
                    case e.PointFillMode:
                    case e.PointListDrawMode:
                        return !0
                    }
                    return this._scene.forcePointsCloud
                },
                set: function(t) {
                    this.fillMode = t ? e.PointFillMode : e.TriangleFillMode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fillMode", {
                get: function() {
                    return this._fillMode
                },
                set: function(t) {
                    this._fillMode !== t && (this._fillMode = t,
                    this.markAsDirty(e.MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getDrawWrapper = function() {
                return this._drawWrapper
            }
            ,
            e.prototype._setDrawWrapper = function(e) {
                this._drawWrapper = e
            }
            ,
            e.prototype.toString = function(e) {
                return "Name: " + this.name
            }
            ,
            e.prototype.getClassName = function() {
                return "Material"
            }
            ,
            Object.defineProperty(e.prototype, "isFrozen", {
                get: function() {
                    return this.checkReadyOnlyOnce
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.freeze = function() {
                this.markDirty(),
                this.checkReadyOnlyOnce = !0
            }
            ,
            e.prototype.unfreeze = function() {
                this.markDirty(),
                this.checkReadyOnlyOnce = !1
            }
            ,
            e.prototype.isReady = function(e, t) {
                return !0
            }
            ,
            e.prototype.isReadyForSubMesh = function(e, t, i) {
                var n = t.materialDefines;
                return !!n && (this._eventInfo.isReadyForSubMesh = !0,
                this._eventInfo.defines = n,
                this._callbackPluginEventIsReadyForSubMesh(this._eventInfo),
                this._eventInfo.isReadyForSubMesh)
            }
            ,
            e.prototype.getEffect = function() {
                return this._drawWrapper.effect
            }
            ,
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            Object.defineProperty(e.prototype, "transparencyMode", {
                get: function() {
                    return this._transparencyMode
                },
                set: function(t) {
                    this._transparencyMode !== t && (this._transparencyMode = t,
                    this._forceAlphaTest = t === e.MATERIAL_ALPHATESTANDBLEND,
                    this._markAllSubMeshesAsTexturesAndMiscDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_disableAlphaBlending", {
                get: function() {
                    return this._transparencyMode === e.MATERIAL_OPAQUE || this._transparencyMode === e.MATERIAL_ALPHATEST
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.needAlphaBlending = function() {
                return !this._disableAlphaBlending && this.alpha < 1
            }
            ,
            e.prototype.needAlphaBlendingForMesh = function(e) {
                return !(this._disableAlphaBlending && e.visibility >= 1) && (this.needAlphaBlending() || e.visibility < 1 || e.hasVertexAlpha)
            }
            ,
            e.prototype.needAlphaTesting = function() {
                return !!this._forceAlphaTest
            }
            ,
            e.prototype._shouldTurnAlphaTestOn = function(e) {
                return !this.needAlphaBlendingForMesh(e) && this.needAlphaTesting()
            }
            ,
            e.prototype.getAlphaTestTexture = function() {
                return null
            }
            ,
            e.prototype.markDirty = function() {
                for (var e = 0, t = this.getScene().meshes; e < t.length; e++) {
                    var i = t[e];
                    if (i.subMeshes)
                        for (var n = 0, r = i.subMeshes; n < r.length; n++) {
                            var o = r[n];
                            o.getMaterial() === this && o.effect && (o.effect._wasPreviouslyReady = !1)
                        }
                }
            }
            ,
            e.prototype._preBind = function(t, i) {
                void 0 === i && (i = null);
                var n = this._scene.getEngine()
                  , r = (null == i ? this.sideOrientation : i) === e.ClockWiseSideOrientation;
                return n.enableEffect(t || this._getDrawWrapper()),
                n.setState(this.backFaceCulling, this.zOffset, !1, r, this.cullBackFaces, this.stencil, this.zOffsetUnits),
                r
            }
            ,
            e.prototype.bind = function(e, t) {}
            ,
            e.prototype.buildUniformLayout = function() {
                var e = this._uniformBuffer;
                this._eventInfo.ubo = e,
                this._callbackPluginEventGeneric(Ar.PrepareUniformBuffer, this._eventInfo),
                e.create(),
                this._uniformBufferLayoutBuilt = !0
            }
            ,
            e.prototype.bindForSubMesh = function(e, t, i) {
                i.effect && (this._eventInfo.subMesh = i,
                this._callbackPluginEventBindForSubMesh(this._eventInfo))
            }
            ,
            e.prototype.bindOnlyWorldMatrix = function(e) {}
            ,
            e.prototype.bindView = function(e) {
                this._useUBO ? this._needToBindSceneUbo = !0 : e.setMatrix("view", this.getScene().getViewMatrix())
            }
            ,
            e.prototype.bindViewProjection = function(e) {
                this._useUBO ? this._needToBindSceneUbo = !0 : (e.setMatrix("viewProjection", this.getScene().getTransformMatrix()),
                e.setMatrix("projection", this.getScene().getProjectionMatrix()))
            }
            ,
            e.prototype.bindEyePosition = function(e, t) {
                this._useUBO ? this._needToBindSceneUbo = !0 : this._scene.bindEyePosition(e, t)
            }
            ,
            e.prototype._afterBind = function(e, t) {
                if (void 0 === t && (t = null),
                this._scene._cachedMaterial = this,
                this._needToBindSceneUbo && t && (this._needToBindSceneUbo = !1,
                Mr.BindSceneUniformBuffer(t, this.getScene().getSceneUniformBuffer()),
                this._scene.finalizeSceneUbo()),
                this._scene._cachedVisibility = e ? e.visibility : 1,
                this._onBindObservable && e && this._onBindObservable.notifyObservers(e),
                this.disableDepthWrite) {
                    var i = this._scene.getEngine();
                    this._cachedDepthWriteState = i.getDepthWrite(),
                    i.setDepthWrite(!1)
                }
                this.disableColorWrite && (i = this._scene.getEngine(),
                this._cachedColorWriteState = i.getColorWrite(),
                i.setColorWrite(!1)),
                0 !== this.depthFunction && (i = this._scene.getEngine(),
                this._cachedDepthFunctionState = i.getDepthFunction() || 0,
                i.setDepthFunction(this.depthFunction))
            }
            ,
            e.prototype.unbind = function() {
                this._onUnBindObservable && this._onUnBindObservable.notifyObservers(this),
                0 !== this.depthFunction && this._scene.getEngine().setDepthFunction(this._cachedDepthFunctionState),
                this.disableDepthWrite && this._scene.getEngine().setDepthWrite(this._cachedDepthWriteState),
                this.disableColorWrite && this._scene.getEngine().setColorWrite(this._cachedColorWriteState)
            }
            ,
            e.prototype.getAnimatables = function() {
                return this._eventInfo.animatables = [],
                this._callbackPluginEventGeneric(Ar.GetAnimatables, this._eventInfo),
                this._eventInfo.animatables
            }
            ,
            e.prototype.getActiveTextures = function() {
                return this._eventInfo.activeTextures = [],
                this._callbackPluginEventGeneric(Ar.GetActiveTextures, this._eventInfo),
                this._eventInfo.activeTextures
            }
            ,
            e.prototype.hasTexture = function(e) {
                return this._eventInfo.hasTexture = !1,
                this._eventInfo.texture = e,
                this._callbackPluginEventGeneric(Ar.HasTexture, this._eventInfo),
                this._eventInfo.hasTexture
            }
            ,
            e.prototype.clone = function(e) {
                return null
            }
            ,
            e.prototype.getBindedMeshes = function() {
                var e = this;
                if (this.meshMap) {
                    var t = new Array;
                    for (var i in this.meshMap) {
                        var n = this.meshMap[i];
                        n && t.push(n)
                    }
                    return t
                }
                return this._scene.meshes.filter((function(t) {
                    return t.material === e
                }
                ))
            }
            ,
            e.prototype.forceCompilation = function(e, t, i, n) {
                var r = this
                  , o = V({
                    clipPlane: !1,
                    useInstances: !1
                }, i)
                  , a = this.getScene()
                  , s = this.allowShaderHotSwapping;
                this.allowShaderHotSwapping = !1;
                var l = function() {
                    if (r._scene && r._scene.getEngine()) {
                        var i = a.clipPlane;
                        if (o.clipPlane && (a.clipPlane = new hn(0,0,0,1)),
                        r._storeEffectOnSubMeshes) {
                            var c = !0
                              , u = null;
                            if (e.subMeshes) {
                                var h = new hr(0,0,0,0,0,e,void 0,!1,!1);
                                h.materialDefines && (h.materialDefines._renderId = -1),
                                r.isReadyForSubMesh(e, h, o.useInstances) || (h.effect && h.effect.getCompilationError() && h.effect.allFallbacksProcessed() ? u = h.effect.getCompilationError() : (c = !1,
                                setTimeout(l, 16)))
                            }
                            c && (r.allowShaderHotSwapping = s,
                            u && n && n(u),
                            t && t(r))
                        } else
                            r.isReady() ? (r.allowShaderHotSwapping = s,
                            t && t(r)) : setTimeout(l, 16);
                        o.clipPlane && (a.clipPlane = i)
                    }
                };
                l()
            }
            ,
            e.prototype.forceCompilationAsync = function(e, t) {
                var i = this;
                return new Promise((function(n, r) {
                    i.forceCompilation(e, (function() {
                        n()
                    }
                    ), t, (function(e) {
                        r(e)
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.markAsDirty = function(t) {
                this.getScene().blockMaterialDirtyMechanism || (e._DirtyCallbackArray.length = 0,
                t & e.TextureDirtyFlag && e._DirtyCallbackArray.push(e._TextureDirtyCallBack),
                t & e.LightDirtyFlag && e._DirtyCallbackArray.push(e._LightsDirtyCallBack),
                t & e.FresnelDirtyFlag && e._DirtyCallbackArray.push(e._FresnelDirtyCallBack),
                t & e.AttributesDirtyFlag && e._DirtyCallbackArray.push(e._AttributeDirtyCallBack),
                t & e.MiscDirtyFlag && e._DirtyCallbackArray.push(e._MiscDirtyCallBack),
                t & e.PrePassDirtyFlag && e._DirtyCallbackArray.push(e._PrePassDirtyCallBack),
                e._DirtyCallbackArray.length && this._markAllSubMeshesAsDirty(e._RunDirtyCallBacks),
                this.getScene().resetCachedMaterial())
            }
            ,
            e.prototype.resetDrawCache = function() {
                for (var e = 0, t = this.getScene().meshes; e < t.length; e++) {
                    var i = t[e];
                    if (i.subMeshes)
                        for (var n = 0, r = i.subMeshes; n < r.length; n++) {
                            var o = r[n];
                            o.getMaterial() === this && o.resetDrawCache()
                        }
                }
            }
            ,
            e.prototype._markAllSubMeshesAsDirty = function(e) {
                if (!this.getScene().blockMaterialDirtyMechanism)
                    for (var t = 0, i = this.getScene().meshes; t < i.length; t++) {
                        var n = i[t];
                        if (n.subMeshes)
                            for (var r = 0, o = n.subMeshes; r < o.length; r++) {
                                var a = o[r];
                                if (0 !== n._renderId && a.getMaterial() === this)
                                    for (var s = 0, l = a._drawWrappers; s < l.length; s++) {
                                        var c = l[s];
                                        c && c.defines && c.defines.markAllAsDirty && this._materialContext === c.materialContext && e(c.defines)
                                    }
                            }
                    }
            }
            ,
            e.prototype._markScenePrePassDirty = function() {
                if (!this.getScene().blockMaterialDirtyMechanism) {
                    var e = this.getScene().enablePrePassRenderer();
                    e && e.markAsDirty()
                }
            }
            ,
            e.prototype._markAllSubMeshesAsAllDirty = function() {
                this._markAllSubMeshesAsDirty(e._AllDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsImageProcessingDirty = function() {
                this._markAllSubMeshesAsDirty(e._ImageProcessingDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._markAllSubMeshesAsDirty(e._TextureDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsFresnelDirty = function() {
                this._markAllSubMeshesAsDirty(e._FresnelDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsFresnelAndMiscDirty = function() {
                this._markAllSubMeshesAsDirty(e._FresnelAndMiscDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsLightsDirty = function() {
                this._markAllSubMeshesAsDirty(e._LightsDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsAttributesDirty = function() {
                this._markAllSubMeshesAsDirty(e._AttributeDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsMiscDirty = function() {
                this._markAllSubMeshesAsDirty(e._MiscDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsPrePassDirty = function() {
                this._markAllSubMeshesAsDirty(e._MiscDirtyCallBack)
            }
            ,
            e.prototype._markAllSubMeshesAsTexturesAndMiscDirty = function() {
                this._markAllSubMeshesAsDirty(e._TextureAndMiscDirtyCallBack)
            }
            ,
            e.prototype.setPrePassRenderer = function(e) {
                return !1
            }
            ,
            e.prototype.dispose = function(e, t, i) {
                var n = this.getScene();
                if (n.stopAnimation(this),
                n.freeProcessedMaterials(),
                n.removeMaterial(this),
                this._eventInfo.forceDisposeTextures = t,
                this._callbackPluginEventGeneric(Ar.Disposed, this._eventInfo),
                this._parentContainer) {
                    var r = this._parentContainer.materials.indexOf(this);
                    r > -1 && this._parentContainer.materials.splice(r, 1),
                    this._parentContainer = null
                }
                if (!0 !== i)
                    if (this.meshMap)
                        for (var o in this.meshMap)
                            (l = this.meshMap[o]) && (l.material = null,
                            this.releaseVertexArrayObject(l, e));
                    else
                        for (var a = 0, s = n.meshes; a < s.length; a++) {
                            var l;
                            (l = s[a]).material !== this || l.sourceMesh || (l.material = null,
                            this.releaseVertexArrayObject(l, e))
                        }
                this._uniformBuffer.dispose(),
                e && this._drawWrapper.effect && (this._storeEffectOnSubMeshes || this._drawWrapper.effect.dispose(),
                this._drawWrapper.effect = null),
                this.metadata = null,
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this._onBindObservable && this._onBindObservable.clear(),
                this._onUnBindObservable && this._onUnBindObservable.clear(),
                this._onEffectCreatedObservable && this._onEffectCreatedObservable.clear()
            }
            ,
            e.prototype.releaseVertexArrayObject = function(e, t) {
                if (e.geometry) {
                    var i = e.geometry;
                    if (this._storeEffectOnSubMeshes)
                        for (var n = 0, r = e.subMeshes; n < r.length; n++) {
                            var o = r[n];
                            i._releaseVertexArrayObject(o.effect),
                            t && o.effect && o.effect.dispose()
                        }
                    else
                        i._releaseVertexArrayObject(this._drawWrapper.effect)
                }
            }
            ,
            e.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.stencil = this.stencil.serialize(),
                e.uniqueId = this.uniqueId,
                e
            }
            ,
            e.Parse = function(e, t, i) {
                if (e.customType) {
                    if ("BABYLON.PBRMaterial" === e.customType && e.overloadedAlbedo && (e.customType = "BABYLON.LegacyPBRMaterial",
                    !BABYLON.LegacyPBRMaterial))
                        return K.Error("Your scene is trying to load a legacy version of the PBRMaterial, please, include it from the materials library."),
                        null
                } else
                    e.customType = "BABYLON.StandardMaterial";
                var n = gi.Instantiate(e.customType).Parse(e, t, i);
                return n._loadedUniqueId = e.uniqueId,
                n
            }
            ,
            e.TriangleFillMode = a.MATERIAL_TriangleFillMode,
            e.WireFrameFillMode = a.MATERIAL_WireFrameFillMode,
            e.PointFillMode = a.MATERIAL_PointFillMode,
            e.PointListDrawMode = a.MATERIAL_PointListDrawMode,
            e.LineListDrawMode = a.MATERIAL_LineListDrawMode,
            e.LineLoopDrawMode = a.MATERIAL_LineLoopDrawMode,
            e.LineStripDrawMode = a.MATERIAL_LineStripDrawMode,
            e.TriangleStripDrawMode = a.MATERIAL_TriangleStripDrawMode,
            e.TriangleFanDrawMode = a.MATERIAL_TriangleFanDrawMode,
            e.ClockWiseSideOrientation = a.MATERIAL_ClockWiseSideOrientation,
            e.CounterClockWiseSideOrientation = a.MATERIAL_CounterClockWiseSideOrientation,
            e.TextureDirtyFlag = a.MATERIAL_TextureDirtyFlag,
            e.LightDirtyFlag = a.MATERIAL_LightDirtyFlag,
            e.FresnelDirtyFlag = a.MATERIAL_FresnelDirtyFlag,
            e.AttributesDirtyFlag = a.MATERIAL_AttributesDirtyFlag,
            e.MiscDirtyFlag = a.MATERIAL_MiscDirtyFlag,
            e.PrePassDirtyFlag = a.MATERIAL_PrePassDirtyFlag,
            e.AllDirtyFlag = a.MATERIAL_AllDirtyFlag,
            e.MATERIAL_OPAQUE = 0,
            e.MATERIAL_ALPHATEST = 1,
            e.MATERIAL_ALPHABLEND = 2,
            e.MATERIAL_ALPHATESTANDBLEND = 3,
            e.MATERIAL_NORMALBLENDMETHOD_WHITEOUT = 0,
            e.MATERIAL_NORMALBLENDMETHOD_RNM = 1,
            e.OnEventObservable = new h,
            e._AllDirtyCallBack = function(e) {
                return e.markAllAsDirty()
            }
            ,
            e._ImageProcessingDirtyCallBack = function(e) {
                return e.markAsImageProcessingDirty()
            }
            ,
            e._TextureDirtyCallBack = function(e) {
                return e.markAsTexturesDirty()
            }
            ,
            e._FresnelDirtyCallBack = function(e) {
                return e.markAsFresnelDirty()
            }
            ,
            e._MiscDirtyCallBack = function(e) {
                return e.markAsMiscDirty()
            }
            ,
            e._PrePassDirtyCallBack = function(e) {
                return e.markAsPrePassDirty()
            }
            ,
            e._LightsDirtyCallBack = function(e) {
                return e.markAsLightDirty()
            }
            ,
            e._AttributeDirtyCallBack = function(e) {
                return e.markAsAttributesDirty()
            }
            ,
            e._FresnelAndMiscDirtyCallBack = function(t) {
                e._FresnelDirtyCallBack(t),
                e._MiscDirtyCallBack(t)
            }
            ,
            e._TextureAndMiscDirtyCallBack = function(t) {
                e._TextureDirtyCallBack(t),
                e._MiscDirtyCallBack(t)
            }
            ,
            e._DirtyCallbackArray = [],
            e._RunDirtyCallBacks = function(t) {
                for (var i = 0, n = e._DirtyCallbackArray; i < n.length; i++)
                    (0,
                    n[i])(t)
            }
            ,
            k([Ce()], e.prototype, "id", void 0),
            k([Ce()], e.prototype, "uniqueId", void 0),
            k([Ce()], e.prototype, "name", void 0),
            k([Ce()], e.prototype, "metadata", void 0),
            k([Ce()], e.prototype, "checkReadyOnEveryCall", void 0),
            k([Ce()], e.prototype, "checkReadyOnlyOnce", void 0),
            k([Ce()], e.prototype, "state", void 0),
            k([Ce("alpha")], e.prototype, "_alpha", void 0),
            k([Ce("backFaceCulling")], e.prototype, "_backFaceCulling", void 0),
            k([Ce("cullBackFaces")], e.prototype, "_cullBackFaces", void 0),
            k([Ce()], e.prototype, "sideOrientation", void 0),
            k([Ce("alphaMode")], e.prototype, "_alphaMode", void 0),
            k([Ce()], e.prototype, "_needDepthPrePass", void 0),
            k([Ce()], e.prototype, "disableDepthWrite", void 0),
            k([Ce()], e.prototype, "disableColorWrite", void 0),
            k([Ce()], e.prototype, "forceDepthWrite", void 0),
            k([Ce()], e.prototype, "depthFunction", void 0),
            k([Ce()], e.prototype, "separateCullingPass", void 0),
            k([Ce("fogEnabled")], e.prototype, "_fogEnabled", void 0),
            k([Ce()], e.prototype, "pointSize", void 0),
            k([Ce()], e.prototype, "zOffset", void 0),
            k([Ce()], e.prototype, "zOffsetUnits", void 0),
            k([Ce()], e.prototype, "pointsCloud", null),
            k([Ce()], e.prototype, "fillMode", null),
            k([Ce()], e.prototype, "transparencyMode", null),
            e
        }()
          , Dr = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i, !0) || this;
                return n._waitingSubMaterialsUniqueIds = [],
                n.getScene().multiMaterials.push(n),
                n.subMaterials = new Array,
                n._storeEffectOnSubMeshes = !0,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "subMaterials", {
                get: function() {
                    return this._subMaterials
                },
                set: function(e) {
                    this._subMaterials = e,
                    this._hookArray(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getChildren = function() {
                return this.subMaterials
            }
            ,
            t.prototype._hookArray = function(e) {
                var t = this
                  , i = e.push;
                e.push = function() {
                    for (var n = [], r = 0; r < arguments.length; r++)
                        n[r] = arguments[r];
                    var o = i.apply(e, n);
                    return t._markAllSubMeshesAsTexturesDirty(),
                    o
                }
                ;
                var n = e.splice;
                e.splice = function(i, r) {
                    var o = n.apply(e, [i, r]);
                    return t._markAllSubMeshesAsTexturesDirty(),
                    o
                }
            }
            ,
            t.prototype.getSubMaterial = function(e) {
                return e < 0 || e >= this.subMaterials.length ? this.getScene().defaultMaterial : this.subMaterials[e]
            }
            ,
            t.prototype.getActiveTextures = function() {
                var t;
                return (t = e.prototype.getActiveTextures.call(this)).concat.apply(t, this.subMaterials.map((function(e) {
                    return e ? e.getActiveTextures() : []
                }
                )))
            }
            ,
            t.prototype.hasTexture = function(t) {
                var i;
                if (e.prototype.hasTexture.call(this, t))
                    return !0;
                for (var n = 0; n < this.subMaterials.length; n++)
                    if (null === (i = this.subMaterials[n]) || void 0 === i ? void 0 : i.hasTexture(t))
                        return !0;
                return !1
            }
            ,
            t.prototype.getClassName = function() {
                return "MultiMaterial"
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                for (var n = 0; n < this.subMaterials.length; n++) {
                    var r = this.subMaterials[n];
                    if (r) {
                        if (r._storeEffectOnSubMeshes) {
                            if (!r.isReadyForSubMesh(e, t, i))
                                return !1;
                            continue
                        }
                        if (!r.isReady(e))
                            return !1
                    }
                }
                return !0
            }
            ,
            t.prototype.clone = function(e, i) {
                for (var n = new t(e,this.getScene()), r = 0; r < this.subMaterials.length; r++) {
                    var o, a = this.subMaterials[r];
                    o = i && a ? a.clone(e + "-" + a.name) : this.subMaterials[r],
                    n.subMaterials.push(o)
                }
                return n
            }
            ,
            t.prototype.serialize = function() {
                var e = {};
                e.name = this.name,
                e.id = this.id,
                e.uniqueId = this.uniqueId,
                ye && (e.tags = ye.GetTags(this)),
                e.materialsUniqueIds = [],
                e.materials = [];
                for (var t = 0; t < this.subMaterials.length; t++) {
                    var i = this.subMaterials[t];
                    i ? (e.materialsUniqueIds.push(i.uniqueId),
                    e.materials.push(i.id)) : (e.materialsUniqueIds.push(null),
                    e.materials.push(null))
                }
                return e
            }
            ,
            t.prototype.dispose = function(t, i, n) {
                var r = this.getScene();
                if (r) {
                    if (n)
                        for (var o = 0; o < this.subMaterials.length; o++) {
                            var a = this.subMaterials[o];
                            a && a.dispose(t, i)
                        }
                    var s = r.multiMaterials.indexOf(this);
                    s >= 0 && r.multiMaterials.splice(s, 1),
                    e.prototype.dispose.call(this, t, i)
                }
            }
            ,
            t.ParseMultiMaterial = function(e, i) {
                var n = new t(e.name,i);
                return n.id = e.id,
                n._loadedUniqueId = e.uniqueId,
                ye && ye.AddTagsTo(n, e.tags),
                e.materialsUniqueIds ? n._waitingSubMaterialsUniqueIds = e.materialsUniqueIds : e.materials.forEach((function(e) {
                    return n.subMaterials.push(i.getLastMaterialById(e))
                }
                )),
                n
            }
            ,
            t
        }(Or);
        y("BABYLON.MultiMaterial", Dr);
        var Nr = function(e, t) {
            this.distanceOrScreenCoverage = e,
            this.mesh = t
        }
          , Lr = function() {}
          , Fr = function() {
            this.visibleInstances = {},
            this.batchCache = new wr,
            this.batchCacheReplacementModeInFrozenMode = new wr,
            this.instancesBufferSize = 2048
        }
          , wr = function() {
            this.mustReturn = !1,
            this.visibleInstances = new Array,
            this.renderSelf = new Array,
            this.hardwareInstancedRendering = new Array
        }
          , Br = function() {
            this.instancesCount = 0,
            this.matrixBuffer = null,
            this.previousMatrixBuffer = null,
            this.matrixBufferSize = 512,
            this.matrixData = null,
            this.boundingVectors = [],
            this.worldMatrices = null
        }
          , Ur = function() {
            this._areNormalsFrozen = !1,
            this._source = null,
            this.meshMap = null,
            this._preActivateId = -1,
            this._LODLevels = new Array,
            this._useLODScreenCoverage = !1,
            this._effectiveMaterial = null,
            this._forcedInstanceCount = 0
        }
          , Vr = function(e) {
            function t(i, n, r, o, s, l) {
                void 0 === n && (n = null),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === l && (l = !0);
                var c = e.call(this, i, n) || this;
                if (c._internalMeshDataInfo = new Ur,
                c.delayLoadState = a.DELAYLOADSTATE_NONE,
                c.instances = new Array,
                c._creationDataStorage = null,
                c._geometry = null,
                c._instanceDataStorage = new Fr,
                c._thinInstanceDataStorage = new Br,
                c._shouldGenerateFlatShading = !1,
                c._originalBuilderSideOrientation = t.DEFAULTSIDE,
                c.overrideMaterialSideOrientation = null,
                c.ignoreCameraMaxZ = !1,
                n = c.getScene(),
                c._onBeforeDraw = function(e, t, i) {
                    e && i && (c._uniformBuffer ? c.transferToEffect(t) : i.bindOnlyWorldMatrix(t))
                }
                ,
                o) {
                    if (o._geometry && o._geometry.applyToMesh(c),
                    fe.DeepCopy(o, c, ["name", "material", "skeleton", "instances", "parent", "uniqueId", "source", "metadata", "morphTargetManager", "hasInstances", "worldMatrixInstancedBuffer", "previousWorldMatrixInstancedBuffer", "hasLODLevels", "geometry", "isBlocked", "areNormalsFrozen", "facetNb", "isFacetDataEnabled", "lightSources", "useBones", "isAnInstance", "collider", "edgesRenderer", "forward", "up", "right", "absolutePosition", "absoluteScaling", "absoluteRotationQuaternion", "isWorldMatrixFrozen", "nonUniformScaling", "behaviors", "worldMatrixFromCache", "hasThinInstances", "cloneMeshMap", "hasBoundingInfo"], ["_poseMatrix"]),
                    c._internalMeshDataInfo._source = o,
                    n.useClonedMeshMap && (o._internalMeshDataInfo.meshMap || (o._internalMeshDataInfo.meshMap = {}),
                    o._internalMeshDataInfo.meshMap[c.uniqueId] = c),
                    c._originalBuilderSideOrientation = o._originalBuilderSideOrientation,
                    c._creationDataStorage = o._creationDataStorage,
                    o._ranges) {
                        var u = o._ranges;
                        for (var d in u)
                            Object.prototype.hasOwnProperty.call(u, d) && u[d] && c.createAnimationRange(d, u[d].from, u[d].to)
                    }
                    if (o.metadata && o.metadata.clone ? c.metadata = o.metadata.clone() : c.metadata = o.metadata,
                    ye && ye.HasTags(o) && ye.AddTagsTo(c, ye.GetTags(o, !0)),
                    c.setEnabled(o.isEnabled()),
                    c.parent = o.parent,
                    c.setPivotMatrix(o.getPivotMatrix()),
                    c.id = i + "." + o.id,
                    c.material = o.material,
                    !s)
                        for (var p = o.getDescendants(!0), f = 0; f < p.length; f++) {
                            var _ = p[f];
                            _.clone && _.clone(i + "." + _.name, c)
                        }
                    if (o.morphTargetManager && (c.morphTargetManager = o.morphTargetManager),
                    n.getPhysicsEngine) {
                        var m = n.getPhysicsEngine();
                        if (l && m) {
                            var g = m.getImpostorForPhysicsObject(o);
                            g && (c.physicsImpostor = g.clone(c))
                        }
                    }
                    for (f = 0; f < n.particleSystems.length; f++) {
                        var v = n.particleSystems[f];
                        v.emitter === o && v.clone(v.name, c)
                    }
                    c.skeleton = o.skeleton,
                    c.refreshBoundingInfo(!0, !0),
                    c.computeWorldMatrix(!0)
                }
                return null !== r && (c.parent = r),
                c._instanceDataStorage.hardwareInstancedRendering = c.getEngine().getCaps().instancedArrays,
                c._internalMeshDataInfo._onMeshReadyObserverAdded = function(e) {
                    e.unregisterOnNextCall = !0,
                    c.isReady(!0) ? c.onMeshReadyObservable.notifyObservers(c) : c._internalMeshDataInfo._checkReadinessObserver || (c._internalMeshDataInfo._checkReadinessObserver = c._scene.onBeforeRenderObservable.add((function() {
                        c.isReady(!0) && (c._scene.onBeforeRenderObservable.remove(c._internalMeshDataInfo._checkReadinessObserver),
                        c._internalMeshDataInfo._checkReadinessObserver = null,
                        c.onMeshReadyObservable.notifyObservers(c))
                    }
                    )))
                }
                ,
                c.onMeshReadyObservable = new h(c._internalMeshDataInfo._onMeshReadyObserverAdded),
                o && o.onClonedObservable.notifyObservers(c),
                c
            }
            return U(t, e),
            t._GetDefaultSideOrientation = function(e) {
                return e || t.FRONTSIDE
            }
            ,
            Object.defineProperty(t.prototype, "useLODScreenCoverage", {
                get: function() {
                    return this._internalMeshDataInfo._useLODScreenCoverage
                },
                set: function(e) {
                    this._internalMeshDataInfo._useLODScreenCoverage = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "computeBonesUsingShaders", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._computeBonesUsingShaders
                },
                set: function(e) {
                    this._internalAbstractMeshDataInfo._computeBonesUsingShaders !== e && (e && this._internalMeshDataInfo._sourcePositions && (this.setVerticesData(Bi.PositionKind, this._internalMeshDataInfo._sourcePositions.slice(), !0),
                    this._internalMeshDataInfo._sourceNormals && this.setVerticesData(Bi.NormalKind, this._internalMeshDataInfo._sourceNormals.slice(), !0)),
                    this._internalAbstractMeshDataInfo._computeBonesUsingShaders = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBeforeRenderObservable", {
                get: function() {
                    return this._internalMeshDataInfo._onBeforeRenderObservable || (this._internalMeshDataInfo._onBeforeRenderObservable = new h),
                    this._internalMeshDataInfo._onBeforeRenderObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBeforeBindObservable", {
                get: function() {
                    return this._internalMeshDataInfo._onBeforeBindObservable || (this._internalMeshDataInfo._onBeforeBindObservable = new h),
                    this._internalMeshDataInfo._onBeforeBindObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onAfterRenderObservable", {
                get: function() {
                    return this._internalMeshDataInfo._onAfterRenderObservable || (this._internalMeshDataInfo._onAfterRenderObservable = new h),
                    this._internalMeshDataInfo._onAfterRenderObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBetweenPassObservable", {
                get: function() {
                    return this._internalMeshDataInfo._onBetweenPassObservable || (this._internalMeshDataInfo._onBetweenPassObservable = new h),
                    this._internalMeshDataInfo._onBetweenPassObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBeforeDrawObservable", {
                get: function() {
                    return this._internalMeshDataInfo._onBeforeDrawObservable || (this._internalMeshDataInfo._onBeforeDrawObservable = new h),
                    this._internalMeshDataInfo._onBeforeDrawObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBeforeDraw", {
                set: function(e) {
                    this._onBeforeDrawObserver && this.onBeforeDrawObservable.remove(this._onBeforeDrawObserver),
                    this._onBeforeDrawObserver = this.onBeforeDrawObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasInstances", {
                get: function() {
                    return this.instances.length > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasThinInstances", {
                get: function() {
                    var e;
                    return (null !== (e = this._thinInstanceDataStorage.instancesCount) && void 0 !== e ? e : 0) > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "forcedInstanceCount", {
                get: function() {
                    return this._internalMeshDataInfo._forcedInstanceCount
                },
                set: function(e) {
                    this._internalMeshDataInfo._forcedInstanceCount = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "source", {
                get: function() {
                    return this._internalMeshDataInfo._source
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cloneMeshMap", {
                get: function() {
                    return this._internalMeshDataInfo.meshMap
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isUnIndexed", {
                get: function() {
                    return this._unIndexed
                },
                set: function(e) {
                    this._unIndexed !== e && (this._unIndexed = e,
                    this._markSubMeshesAsAttributesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldMatrixInstancedBuffer", {
                get: function() {
                    return this._instanceDataStorage.instancesData
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "previousWorldMatrixInstancedBuffer", {
                get: function() {
                    return this._instanceDataStorage.instancesPreviousData
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "manualUpdateOfWorldMatrixInstancedBuffer", {
                get: function() {
                    return this._instanceDataStorage.manualUpdate
                },
                set: function(e) {
                    this._instanceDataStorage.manualUpdate = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "manualUpdateOfPreviousWorldMatrixInstancedBuffer", {
                get: function() {
                    return this._instanceDataStorage.previousManualUpdate
                },
                set: function(e) {
                    this._instanceDataStorage.previousManualUpdate = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.instantiateHierarchy = function(e, t, i) {
                void 0 === e && (e = null);
                var n = !(this.getTotalVertices() > 0) || t && t.doNotInstantiate ? this.clone("Clone of " + (this.name || this.id), e || this.parent, !0) : this.createInstance("instance of " + (this.name || this.id));
                n.parent = e || this.parent,
                n.position = this.position.clone(),
                n.scaling = this.scaling.clone(),
                this.rotationQuaternion ? n.rotationQuaternion = this.rotationQuaternion.clone() : n.rotation = this.rotation.clone(),
                i && i(this, n);
                for (var r = 0, o = this.getChildTransformNodes(!0); r < o.length; r++)
                    o[r].instantiateHierarchy(n, t, i);
                return n
            }
            ,
            t.prototype.getClassName = function() {
                return "Mesh"
            }
            ,
            Object.defineProperty(t.prototype, "_isMesh", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.toString = function(t) {
                var i = e.prototype.toString.call(this, t);
                if (i += ", n vertices: " + this.getTotalVertices(),
                i += ", parent: " + (this._waitingParentId ? this._waitingParentId : this.parent ? this.parent.name : "NONE"),
                this.animations)
                    for (var n = 0; n < this.animations.length; n++)
                        i += ", animation[0]: " + this.animations[n].toString(t);
                if (t)
                    if (this._geometry) {
                        var r = this.getIndices()
                          , o = this.getVerticesData(Bi.PositionKind);
                        o && r && (i += ", flat shading: " + (o.length / 3 === r.length ? "YES" : "NO"))
                    } else
                        i += ", flat shading: UNKNOWN";
                return i
            }
            ,
            t.prototype._unBindEffect = function() {
                e.prototype._unBindEffect.call(this);
                for (var t = 0, i = this.instances; t < i.length; t++)
                    i[t]._unBindEffect()
            }
            ,
            Object.defineProperty(t.prototype, "hasLODLevels", {
                get: function() {
                    return this._internalMeshDataInfo._LODLevels.length > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getLODLevels = function() {
                return this._internalMeshDataInfo._LODLevels
            }
            ,
            t.prototype._sortLODLevels = function() {
                var e = this._internalMeshDataInfo._useLODScreenCoverage ? -1 : 1;
                this._internalMeshDataInfo._LODLevels.sort((function(t, i) {
                    return t.distanceOrScreenCoverage < i.distanceOrScreenCoverage ? e : t.distanceOrScreenCoverage > i.distanceOrScreenCoverage ? -e : 0
                }
                ))
            }
            ,
            t.prototype.addLODLevel = function(e, t) {
                if (t && t._masterMesh)
                    return K.Warn("You cannot use a mesh as LOD level twice"),
                    this;
                var i = new Nr(e,t);
                return this._internalMeshDataInfo._LODLevels.push(i),
                t && (t._masterMesh = this),
                this._sortLODLevels(),
                this
            }
            ,
            t.prototype.getLODLevelAtDistance = function(e) {
                for (var t = this._internalMeshDataInfo, i = 0; i < t._LODLevels.length; i++) {
                    var n = t._LODLevels[i];
                    if (n.distanceOrScreenCoverage === e)
                        return n.mesh
                }
                return null
            }
            ,
            t.prototype.removeLODLevel = function(e) {
                for (var t = this._internalMeshDataInfo, i = 0; i < t._LODLevels.length; i++)
                    t._LODLevels[i].mesh === e && (t._LODLevels.splice(i, 1),
                    e && (e._masterMesh = null));
                return this._sortLODLevels(),
                this
            }
            ,
            t.prototype.getLOD = function(e, t) {
                var i, n = this._internalMeshDataInfo;
                if (!n._LODLevels || 0 === n._LODLevels.length)
                    return this;
                var r = (i = t || this.getBoundingInfo().boundingSphere).centerWorld.subtract(e.globalPosition).length()
                  , o = r
                  , s = 1;
                if (n._useLODScreenCoverage) {
                    var l = e.screenArea
                      , c = i.radiusWorld * e.minZ / r;
                    o = (c = c * c * Math.PI) / l,
                    s = -1
                }
                if (s * n._LODLevels[n._LODLevels.length - 1].distanceOrScreenCoverage > s * o)
                    return this.onLODLevelSelection && this.onLODLevelSelection(o, this, this),
                    this;
                for (var u = 0; u < n._LODLevels.length; u++) {
                    var h = n._LODLevels[u];
                    if (s * h.distanceOrScreenCoverage < s * o) {
                        if (h.mesh) {
                            if (h.mesh.delayLoadState === a.DELAYLOADSTATE_NOTLOADED)
                                return h.mesh._checkDelayState(),
                                this;
                            if (h.mesh.delayLoadState === a.DELAYLOADSTATE_LOADING)
                                return this;
                            h.mesh._preActivate(),
                            h.mesh._updateSubMeshesBoundingInfo(this.worldMatrixFromCache)
                        }
                        return this.onLODLevelSelection && this.onLODLevelSelection(o, this, h.mesh),
                        h.mesh
                    }
                }
                return this.onLODLevelSelection && this.onLODLevelSelection(o, this, this),
                this
            }
            ,
            Object.defineProperty(t.prototype, "geometry", {
                get: function() {
                    return this._geometry
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getTotalVertices = function() {
                return null === this._geometry || void 0 === this._geometry ? 0 : this._geometry.getTotalVertices()
            }
            ,
            t.prototype.getVerticesData = function(e, t, i) {
                var n, r;
                if (!this._geometry)
                    return null;
                var o = null === (r = null === (n = this._userInstancedBuffersStorage) || void 0 === n ? void 0 : n.vertexBuffers[e]) || void 0 === r ? void 0 : r.getFloatData(this._geometry.getTotalVertices(), i || t && 1 !== this._geometry.meshes.length);
                return o || (o = this._geometry.getVerticesData(e, t, i)),
                o
            }
            ,
            t.prototype.getVertexBuffer = function(e) {
                var t, i;
                return this._geometry ? null !== (i = null === (t = this._userInstancedBuffersStorage) || void 0 === t ? void 0 : t.vertexBuffers[e]) && void 0 !== i ? i : this._geometry.getVertexBuffer(e) : null
            }
            ,
            t.prototype.isVerticesDataPresent = function(e) {
                var t;
                return this._geometry ? void 0 !== (null === (t = this._userInstancedBuffersStorage) || void 0 === t ? void 0 : t.vertexBuffers[e]) || this._geometry.isVerticesDataPresent(e) : !!this._delayInfo && -1 !== this._delayInfo.indexOf(e)
            }
            ,
            t.prototype.isVertexBufferUpdatable = function(e) {
                var t, i;
                return this._geometry ? (null === (i = null === (t = this._userInstancedBuffersStorage) || void 0 === t ? void 0 : t.vertexBuffers[e]) || void 0 === i ? void 0 : i.isUpdatable()) || this._geometry.isVertexBufferUpdatable(e) : !!this._delayInfo && -1 !== this._delayInfo.indexOf(e)
            }
            ,
            t.prototype.getVerticesDataKinds = function() {
                if (!this._geometry) {
                    var e = new Array;
                    return this._delayInfo && this._delayInfo.forEach((function(t) {
                        e.push(t)
                    }
                    )),
                    e
                }
                var t = this._geometry.getVerticesDataKinds();
                if (this._userInstancedBuffersStorage)
                    for (var i in this._userInstancedBuffersStorage.vertexBuffers)
                        t.push(i);
                return t
            }
            ,
            t.prototype.getTotalIndices = function() {
                return this._geometry ? this._geometry.getTotalIndices() : 0
            }
            ,
            t.prototype.getIndices = function(e, t) {
                return this._geometry ? this._geometry.getIndices(e, t) : []
            }
            ,
            Object.defineProperty(t.prototype, "isBlocked", {
                get: function() {
                    return null !== this._masterMesh && void 0 !== this._masterMesh
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.isReady = function(t, i) {
                var n, r, o, s, l, c;
                if (void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                this.delayLoadState === a.DELAYLOADSTATE_LOADING)
                    return !1;
                if (!e.prototype.isReady.call(this, t))
                    return !1;
                if (!this.subMeshes || 0 === this.subMeshes.length)
                    return !0;
                if (!t)
                    return !0;
                var u = this.getEngine()
                  , h = this.getScene()
                  , d = i || u.getCaps().instancedArrays && (this.instances.length > 0 || this.hasThinInstances);
                this.computeWorldMatrix();
                var p = this.material || h.defaultMaterial;
                if (p)
                    if (p._storeEffectOnSubMeshes)
                        for (var f = 0, _ = this.subMeshes; f < _.length; f++) {
                            var m = (S = _[f]).getMaterial();
                            if (m)
                                if (m._storeEffectOnSubMeshes) {
                                    if (!m.isReadyForSubMesh(this, S, d))
                                        return !1
                                } else if (!m.isReady(this, d))
                                    return !1
                        }
                    else if (!p.isReady(this, d))
                        return !1;
                for (var g = u.currentRenderPassId, v = 0, y = this.lightSources; v < y.length; v++) {
                    var b = y[v].getShadowGenerator();
                    if (b && (!(null === (n = b.getShadowMap()) || void 0 === n ? void 0 : n.renderList) || (null === (r = b.getShadowMap()) || void 0 === r ? void 0 : r.renderList) && -1 !== (null === (s = null === (o = b.getShadowMap()) || void 0 === o ? void 0 : o.renderList) || void 0 === s ? void 0 : s.indexOf(this)))) {
                        b.getShadowMap() && (u.currentRenderPassId = b.getShadowMap().renderPassId);
                        for (var T = 0, E = this.subMeshes; T < E.length; T++) {
                            var S = E[T];
                            if (!b.isReady(S, d, null !== (c = null === (l = S.getMaterial()) || void 0 === l ? void 0 : l.needAlphaBlendingForMesh(this)) && void 0 !== c && c))
                                return u.currentRenderPassId = g,
                                !1
                        }
                        u.currentRenderPassId = g
                    }
                }
                for (var A = 0, x = this._internalMeshDataInfo._LODLevels; A < x.length; A++) {
                    var R = x[A];
                    if (R.mesh && !R.mesh.isReady(d))
                        return !1
                }
                return !0
            }
            ,
            Object.defineProperty(t.prototype, "areNormalsFrozen", {
                get: function() {
                    return this._internalMeshDataInfo._areNormalsFrozen
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.freezeNormals = function() {
                return this._internalMeshDataInfo._areNormalsFrozen = !0,
                this
            }
            ,
            t.prototype.unfreezeNormals = function() {
                return this._internalMeshDataInfo._areNormalsFrozen = !1,
                this
            }
            ,
            Object.defineProperty(t.prototype, "overridenInstanceCount", {
                set: function(e) {
                    this._instanceDataStorage.overridenInstanceCount = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._preActivate = function() {
                var e = this._internalMeshDataInfo
                  , t = this.getScene().getRenderId();
                return e._preActivateId === t || (e._preActivateId = t,
                this._instanceDataStorage.visibleInstances = null),
                this
            }
            ,
            t.prototype._preActivateForIntermediateRendering = function(e) {
                return this._instanceDataStorage.visibleInstances && (this._instanceDataStorage.visibleInstances.intermediateDefaultRenderId = e),
                this
            }
            ,
            t.prototype._registerInstanceForRenderId = function(e, t) {
                return this._instanceDataStorage.visibleInstances || (this._instanceDataStorage.visibleInstances = {
                    defaultRenderId: t,
                    selfDefaultRenderId: this._renderId
                }),
                this._instanceDataStorage.visibleInstances[t] || (void 0 !== this._instanceDataStorage.previousRenderId && this._instanceDataStorage.isFrozen && (this._instanceDataStorage.visibleInstances[this._instanceDataStorage.previousRenderId] = null),
                this._instanceDataStorage.previousRenderId = t,
                this._instanceDataStorage.visibleInstances[t] = new Array),
                this._instanceDataStorage.visibleInstances[t].push(e),
                this
            }
            ,
            t.prototype._afterComputeWorldMatrix = function() {
                e.prototype._afterComputeWorldMatrix.call(this),
                this.hasThinInstances && (this.doNotSyncBoundingInfo || this.thinInstanceRefreshBoundingInfo(!1))
            }
            ,
            t.prototype._postActivate = function() {
                this.edgesShareWithInstances && this.edgesRenderer && this.edgesRenderer.isEnabled && this._renderingGroup && (this._renderingGroup._edgesRenderers.pushNoDuplicate(this.edgesRenderer),
                this.edgesRenderer.customInstances.push(this.getWorldMatrix()))
            }
            ,
            t.prototype.refreshBoundingInfo = function(e, t) {
                if (void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                this.hasBoundingInfo && this.getBoundingInfo().isLocked)
                    return this;
                var i = this.geometry ? this.geometry.boundingBias : null;
                return this._refreshBoundingInfo(this._getPositionData(e, t), i),
                this
            }
            ,
            t.prototype._createGlobalSubMesh = function(e) {
                var t = this.getTotalVertices();
                if (!t || !this.getIndices())
                    return null;
                if (this.subMeshes && this.subMeshes.length > 0) {
                    var i = this.getIndices();
                    if (!i)
                        return null;
                    var n = i.length
                      , r = !1;
                    if (e)
                        r = !0;
                    else
                        for (var o = 0, a = this.subMeshes; o < a.length; o++) {
                            var s = a[o];
                            if (s.indexStart + s.indexCount > n) {
                                r = !0;
                                break
                            }
                            if (s.verticesStart + s.verticesCount > t) {
                                r = !0;
                                break
                            }
                        }
                    if (!r)
                        return this.subMeshes[0]
                }
                return this.releaseSubMeshes(),
                new hr(0,0,t,0,this.getTotalIndices(),this)
            }
            ,
            t.prototype.subdivide = function(e) {
                if (!(e < 1)) {
                    for (var t = this.getTotalIndices(), i = t / e | 0, n = 0; i % 3 != 0; )
                        i++;
                    this.releaseSubMeshes();
                    for (var r = 0; r < e && !(n >= t); r++)
                        hr.CreateFromIndices(0, n, r === e - 1 ? t - n : i, this),
                        n += i;
                    this.synchronizeInstances()
                }
            }
            ,
            t.prototype.setVerticesData = function(e, t, i, n) {
                if (void 0 === i && (i = !1),
                this._geometry)
                    this._geometry.setVerticesData(e, t, i, n);
                else {
                    var r = new $n;
                    r.set(t, e);
                    var o = this.getScene();
                    new fr(fr.RandomId(),o,r,i,this)
                }
                return this
            }
            ,
            t.prototype.removeVerticesData = function(e) {
                this._geometry && this._geometry.removeVerticesData(e)
            }
            ,
            t.prototype.markVerticesDataAsUpdatable = function(e, t) {
                void 0 === t && (t = !0);
                var i = this.getVertexBuffer(e);
                i && i.isUpdatable() !== t && this.setVerticesData(e, this.getVerticesData(e), t)
            }
            ,
            t.prototype.setVerticesBuffer = function(e, t) {
                return void 0 === t && (t = !0),
                this._geometry || (this._geometry = fr.CreateGeometryForMesh(this)),
                this._geometry.setVerticesBuffer(e, null, t),
                this
            }
            ,
            t.prototype.updateVerticesData = function(e, t, i, n) {
                return this._geometry ? (n ? (this.makeGeometryUnique(),
                this.updateVerticesData(e, t, i, !1)) : this._geometry.updateVerticesData(e, t, i),
                this) : this
            }
            ,
            t.prototype.updateMeshPositions = function(e, t) {
                void 0 === t && (t = !0);
                var i = this.getVerticesData(Bi.PositionKind);
                if (!i)
                    return this;
                if (e(i),
                this.updateVerticesData(Bi.PositionKind, i, !1, !1),
                t) {
                    var n = this.getIndices()
                      , r = this.getVerticesData(Bi.NormalKind);
                    if (!r)
                        return this;
                    $n.ComputeNormals(i, n, r),
                    this.updateVerticesData(Bi.NormalKind, r, !1, !1)
                }
                return this
            }
            ,
            t.prototype.makeGeometryUnique = function() {
                if (!this._geometry)
                    return this;
                if (1 === this._geometry.meshes.length)
                    return this;
                var e = this._geometry
                  , t = this._geometry.copy(fr.RandomId());
                return e.releaseForMesh(this, !0),
                t.applyToMesh(this),
                this
            }
            ,
            t.prototype.setIndices = function(e, t, i) {
                if (void 0 === t && (t = null),
                void 0 === i && (i = !1),
                this._geometry)
                    this._geometry.setIndices(e, t, i);
                else {
                    var n = new $n;
                    n.indices = e;
                    var r = this.getScene();
                    new fr(fr.RandomId(),r,n,i,this)
                }
                return this
            }
            ,
            t.prototype.updateIndices = function(e, t, i) {
                return void 0 === i && (i = !1),
                this._geometry ? (this._geometry.updateIndices(e, t, i),
                this) : this
            }
            ,
            t.prototype.toLeftHanded = function() {
                return this._geometry ? (this._geometry.toLeftHanded(),
                this) : this
            }
            ,
            t.prototype._bind = function(e, t, i) {
                if (!this._geometry)
                    return this;
                var n, r = this.getScene().getEngine();
                if (this.morphTargetManager && this.morphTargetManager.isUsingTextureForTargets && this.morphTargetManager._bind(t),
                this._unIndexed)
                    n = null;
                else
                    switch (i) {
                    case Or.PointFillMode:
                        n = null;
                        break;
                    case Or.WireFrameFillMode:
                        n = e._getLinesIndexBuffer(this.getIndices(), r);
                        break;
                    default:
                    case Or.TriangleFillMode:
                        n = this._geometry.getIndexBuffer()
                    }
                return !this._userInstancedBuffersStorage || this.hasThinInstances ? this._geometry._bind(t, n) : this._geometry._bind(t, n, this._userInstancedBuffersStorage.vertexBuffers, this._userInstancedBuffersStorage.vertexArrayObjects),
                this
            }
            ,
            t.prototype._draw = function(e, t, i) {
                if (!this._geometry || !this._geometry.getVertexBuffers() || !this._unIndexed && !this._geometry.getIndexBuffer())
                    return this;
                this._internalMeshDataInfo._onBeforeDrawObservable && this._internalMeshDataInfo._onBeforeDrawObservable.notifyObservers(this);
                var n = this.getScene().getEngine();
                return this._unIndexed || t == Or.PointFillMode ? n.drawArraysType(t, e.verticesStart, e.verticesCount, this.forcedInstanceCount || i) : t == Or.WireFrameFillMode ? n.drawElementsType(t, 0, e._linesIndexCount, this.forcedInstanceCount || i) : n.drawElementsType(t, e.indexStart, e.indexCount, this.forcedInstanceCount || i),
                this
            }
            ,
            t.prototype.registerBeforeRender = function(e) {
                return this.onBeforeRenderObservable.add(e),
                this
            }
            ,
            t.prototype.unregisterBeforeRender = function(e) {
                return this.onBeforeRenderObservable.removeCallback(e),
                this
            }
            ,
            t.prototype.registerAfterRender = function(e) {
                return this.onAfterRenderObservable.add(e),
                this
            }
            ,
            t.prototype.unregisterAfterRender = function(e) {
                return this.onAfterRenderObservable.removeCallback(e),
                this
            }
            ,
            t.prototype._getInstancesRenderList = function(e, t) {
                if (void 0 === t && (t = !1),
                this._instanceDataStorage.isFrozen) {
                    if (t)
                        return this._instanceDataStorage.batchCacheReplacementModeInFrozenMode.hardwareInstancedRendering[e] = !1,
                        this._instanceDataStorage.batchCacheReplacementModeInFrozenMode.renderSelf[e] = !0,
                        this._instanceDataStorage.batchCacheReplacementModeInFrozenMode;
                    if (this._instanceDataStorage.previousBatch)
                        return this._instanceDataStorage.previousBatch
                }
                var i = this.getScene()
                  , n = i._isInIntermediateRendering()
                  , r = n ? this._internalAbstractMeshDataInfo._onlyForInstancesIntermediate : this._internalAbstractMeshDataInfo._onlyForInstances
                  , o = this._instanceDataStorage.batchCache;
                if (o.mustReturn = !1,
                o.renderSelf[e] = t || !r && this.isEnabled() && this.isVisible,
                o.visibleInstances[e] = null,
                this._instanceDataStorage.visibleInstances && !t) {
                    var a = this._instanceDataStorage.visibleInstances
                      , s = i.getRenderId()
                      , l = n ? a.intermediateDefaultRenderId : a.defaultRenderId;
                    o.visibleInstances[e] = a[s],
                    !o.visibleInstances[e] && l && (o.visibleInstances[e] = a[l])
                }
                return o.hardwareInstancedRendering[e] = !t && this._instanceDataStorage.hardwareInstancedRendering && null !== o.visibleInstances[e] && void 0 !== o.visibleInstances[e],
                this._instanceDataStorage.previousBatch = o,
                o
            }
            ,
            t.prototype._renderWithInstances = function(e, i, n, r, o) {
                var a, s = n.visibleInstances[e._id];
                if (!s)
                    return this;
                for (var l = this._instanceDataStorage, c = l.instancesBufferSize, u = l.instancesBuffer, h = l.instancesPreviousBuffer, d = 16 * (s.length + 1) * 4; l.instancesBufferSize < d; )
                    l.instancesBufferSize *= 2;
                l.instancesData && c == l.instancesBufferSize || (l.instancesData = new Float32Array(l.instancesBufferSize / 4)),
                (this._scene.needsPreviousWorldMatrices && !l.instancesPreviousData || c != l.instancesBufferSize) && (l.instancesPreviousData = new Float32Array(l.instancesBufferSize / 4));
                var p = 0
                  , f = 0
                  , _ = n.renderSelf[e._id]
                  , m = !u || c !== l.instancesBufferSize || this._scene.needsPreviousWorldMatrices && !l.instancesPreviousBuffer;
                if (this._instanceDataStorage.manualUpdate || l.isFrozen && !m)
                    f = (_ ? 1 : 0) + s.length;
                else {
                    var g = this.getWorldMatrix();
                    if (_ && (this._scene.needsPreviousWorldMatrices && (l.masterMeshPreviousWorldMatrix ? (l.masterMeshPreviousWorldMatrix.copyToArray(l.instancesPreviousData, p),
                    l.masterMeshPreviousWorldMatrix.copyFrom(g)) : (l.masterMeshPreviousWorldMatrix = g.clone(),
                    l.masterMeshPreviousWorldMatrix.copyToArray(l.instancesPreviousData, p))),
                    g.copyToArray(l.instancesData, p),
                    p += 16,
                    f++),
                    s) {
                        if (t.INSTANCEDMESH_SORT_TRANSPARENT && this._scene.activeCamera && (null === (a = e.getMaterial()) || void 0 === a ? void 0 : a.needAlphaBlendingForMesh(e.getRenderingMesh()))) {
                            for (var v = this._scene.activeCamera.globalPosition, y = 0; y < s.length; y++) {
                                var b = s[y];
                                b._distanceToCamera = x.Distance(b.getBoundingInfo().boundingSphere.centerWorld, v)
                            }
                            s.sort((function(e, t) {
                                return e._distanceToCamera > t._distanceToCamera ? -1 : e._distanceToCamera < t._distanceToCamera ? 1 : 0
                            }
                            ))
                        }
                        for (y = 0; y < s.length; y++) {
                            var T = s[y]
                              , E = T.getWorldMatrix();
                            E.copyToArray(l.instancesData, p),
                            this._scene.needsPreviousWorldMatrices && (T._previousWorldMatrix ? (T._previousWorldMatrix.copyToArray(l.instancesPreviousData, p),
                            T._previousWorldMatrix.copyFrom(E)) : (T._previousWorldMatrix = E.clone(),
                            T._previousWorldMatrix.copyToArray(l.instancesPreviousData, p))),
                            p += 16,
                            f++
                        }
                    }
                }
                return m ? (u && u.dispose(),
                h && h.dispose(),
                u = new wi(o,l.instancesData,!0,16,!1,!0),
                l.instancesBuffer = u,
                this._userInstancedBuffersStorage || (this._userInstancedBuffersStorage = {
                    data: {},
                    vertexBuffers: {},
                    strides: {},
                    sizes: {},
                    vertexArrayObjects: this.getEngine().getCaps().vertexArrayObject ? {} : void 0
                }),
                this._userInstancedBuffersStorage.vertexBuffers.world0 = u.createVertexBuffer("world0", 0, 4),
                this._userInstancedBuffersStorage.vertexBuffers.world1 = u.createVertexBuffer("world1", 4, 4),
                this._userInstancedBuffersStorage.vertexBuffers.world2 = u.createVertexBuffer("world2", 8, 4),
                this._userInstancedBuffersStorage.vertexBuffers.world3 = u.createVertexBuffer("world3", 12, 4),
                this._scene.needsPreviousWorldMatrices && (h = new wi(o,l.instancesPreviousData,!0,16,!1,!0),
                l.instancesPreviousBuffer = h,
                this._userInstancedBuffersStorage.vertexBuffers.previousWorld0 = h.createVertexBuffer("previousWorld0", 0, 4),
                this._userInstancedBuffersStorage.vertexBuffers.previousWorld1 = h.createVertexBuffer("previousWorld1", 4, 4),
                this._userInstancedBuffersStorage.vertexBuffers.previousWorld2 = h.createVertexBuffer("previousWorld2", 8, 4),
                this._userInstancedBuffersStorage.vertexBuffers.previousWorld3 = h.createVertexBuffer("previousWorld3", 12, 4)),
                this._invalidateInstanceVertexArrayObject()) : this._instanceDataStorage.isFrozen || (u.updateDirectly(l.instancesData, 0, f),
                !this._scene.needsPreviousWorldMatrices || this._instanceDataStorage.manualUpdate && !this._instanceDataStorage.previousManualUpdate || h.updateDirectly(l.instancesPreviousData, 0, f)),
                this._processInstancedBuffers(s, _),
                this.getScene()._activeIndices.addCount(e.indexCount * f, !1),
                o._currentDrawContext && (o._currentDrawContext.useInstancing = !0),
                this._bind(e, r, i),
                this._draw(e, i, f),
                !this._scene.needsPreviousWorldMatrices || m || !this._instanceDataStorage.manualUpdate || this._instanceDataStorage.isFrozen || this._instanceDataStorage.previousManualUpdate || h.updateDirectly(l.instancesData, 0, f),
                o.unbindInstanceAttributes(),
                this
            }
            ,
            t.prototype._renderWithThinInstances = function(e, t, i, n) {
                var r, o, a = null !== (o = null === (r = this._thinInstanceDataStorage) || void 0 === r ? void 0 : r.instancesCount) && void 0 !== o ? o : 0;
                this.getScene()._activeIndices.addCount(e.indexCount * a, !1),
                n._currentDrawContext && (n._currentDrawContext.useInstancing = !0),
                this._bind(e, i, t),
                this._draw(e, t, a),
                this._scene.needsPreviousWorldMatrices && !this._thinInstanceDataStorage.previousMatrixData && this._thinInstanceDataStorage.matrixData && (this._thinInstanceDataStorage.previousMatrixBuffer ? this._thinInstanceDataStorage.previousMatrixBuffer.updateDirectly(this._thinInstanceDataStorage.matrixData, 0, a) : this._thinInstanceDataStorage.previousMatrixBuffer = this._thinInstanceCreateMatrixBuffer("previousWorld", this._thinInstanceDataStorage.matrixData, !1)),
                n.unbindInstanceAttributes()
            }
            ,
            t.prototype._processInstancedBuffers = function(e, t) {}
            ,
            t.prototype._processRendering = function(e, t, i, n, r, o, a, s) {
                var l = this.getScene()
                  , c = l.getEngine();
                if (o && t.getRenderingMesh().hasThinInstances)
                    return this._renderWithThinInstances(t, n, i, c),
                    this;
                if (o)
                    this._renderWithInstances(t, n, r, i, c);
                else {
                    c._currentDrawContext && (c._currentDrawContext.useInstancing = !1);
                    var u = 0;
                    r.renderSelf[t._id] && (a && a(!1, e.getWorldMatrix(), s),
                    u++,
                    this._draw(t, n, this._instanceDataStorage.overridenInstanceCount));
                    var h = r.visibleInstances[t._id];
                    if (h) {
                        var d = h.length;
                        u += d;
                        for (var p = 0; p < d; p++) {
                            var f = h[p].getWorldMatrix();
                            a && a(!0, f, s),
                            this._draw(t, n)
                        }
                    }
                    l._activeIndices.addCount(t.indexCount * u, !1)
                }
                return this
            }
            ,
            t.prototype._rebuild = function(t) {
                if (void 0 === t && (t = !1),
                this._instanceDataStorage.instancesBuffer && (t && this._instanceDataStorage.instancesBuffer.dispose(),
                this._instanceDataStorage.instancesBuffer = null),
                this._userInstancedBuffersStorage) {
                    for (var i in this._userInstancedBuffersStorage.vertexBuffers) {
                        var n = this._userInstancedBuffersStorage.vertexBuffers[i];
                        n && (t && n.dispose(),
                        this._userInstancedBuffersStorage.vertexBuffers[i] = null)
                    }
                    this._userInstancedBuffersStorage.vertexArrayObjects && (this._userInstancedBuffersStorage.vertexArrayObjects = {})
                }
                this._internalMeshDataInfo._effectiveMaterial = null,
                e.prototype._rebuild.call(this, t)
            }
            ,
            t.prototype._freeze = function() {
                if (this.subMeshes) {
                    for (var e = 0; e < this.subMeshes.length; e++)
                        this._getInstancesRenderList(e);
                    this._internalMeshDataInfo._effectiveMaterial = null,
                    this._instanceDataStorage.isFrozen = !0
                }
            }
            ,
            t.prototype._unFreeze = function() {
                this._instanceDataStorage.isFrozen = !1,
                this._instanceDataStorage.previousBatch = null
            }
            ,
            t.prototype.render = function(e, t, i) {
                var n, r, o, a = this.getScene();
                if (this._internalAbstractMeshDataInfo._isActiveIntermediate ? this._internalAbstractMeshDataInfo._isActiveIntermediate = !1 : this._internalAbstractMeshDataInfo._isActive = !1,
                this._checkOcclusionQuery() && !this._occlusionDataStorage.forceRenderingWhenOccluded)
                    return this;
                var s = this._getInstancesRenderList(e._id, !!i);
                if (s.mustReturn)
                    return this;
                if (!this._geometry || !this._geometry.getVertexBuffers() || !this._unIndexed && !this._geometry.getIndexBuffer())
                    return this;
                var l = a.getEngine()
                  , c = 0
                  , u = null;
                this.ignoreCameraMaxZ && a.activeCamera && !a._isInIntermediateRendering() && (c = a.activeCamera.maxZ,
                u = a.activeCamera,
                a.activeCamera.maxZ = 0,
                a.updateTransformMatrix(!0)),
                this._internalMeshDataInfo._onBeforeRenderObservable && this._internalMeshDataInfo._onBeforeRenderObservable.notifyObservers(this);
                var h, d = s.hardwareInstancedRendering[e._id] || e.getRenderingMesh().hasThinInstances, p = this._instanceDataStorage, f = e.getMaterial();
                if (!f)
                    return u && (u.maxZ = c,
                    a.updateTransformMatrix(!0)),
                    this;
                if (p.isFrozen && this._internalMeshDataInfo._effectiveMaterial && this._internalMeshDataInfo._effectiveMaterial === f) {
                    if (f._storeEffectOnSubMeshes && !(null === (n = e.effect) || void 0 === n ? void 0 : n._wasPreviouslyReady) || !f._storeEffectOnSubMeshes && !(null === (r = f.getEffect()) || void 0 === r ? void 0 : r._wasPreviouslyReady))
                        return u && (u.maxZ = c,
                        a.updateTransformMatrix(!0)),
                        this
                } else {
                    if (f._storeEffectOnSubMeshes) {
                        if (!f.isReadyForSubMesh(this, e, d))
                            return u && (u.maxZ = c,
                            a.updateTransformMatrix(!0)),
                            this
                    } else if (!f.isReady(this, d))
                        return u && (u.maxZ = c,
                        a.updateTransformMatrix(!0)),
                        this;
                    this._internalMeshDataInfo._effectiveMaterial = f
                }
                t && l.setAlphaMode(this._internalMeshDataInfo._effectiveMaterial.alphaMode);
                for (var _ = null !== (o = null == (h = this._internalMeshDataInfo._effectiveMaterial._storeEffectOnSubMeshes ? e._drawWrapper : this._internalMeshDataInfo._effectiveMaterial._getDrawWrapper()) ? void 0 : h.effect) && void 0 !== o ? o : null, m = 0, g = a._beforeRenderingMeshStage; m < g.length; m++)
                    g[m].action(this, e, s, _);
                if (!h || !_)
                    return u && (u.maxZ = c,
                    a.updateTransformMatrix(!0)),
                    this;
                var v, y = i || this;
                if (p.isFrozen || !this._internalMeshDataInfo._effectiveMaterial.backFaceCulling && null === this.overrideMaterialSideOrientation)
                    v = p.sideOrientation;
                else {
                    var b = y._getWorldMatrixDeterminant();
                    null == (v = this.overrideMaterialSideOrientation) && (v = this._internalMeshDataInfo._effectiveMaterial.sideOrientation),
                    b < 0 && (v = v === Or.ClockWiseSideOrientation ? Or.CounterClockWiseSideOrientation : Or.ClockWiseSideOrientation),
                    p.sideOrientation = v
                }
                var T = this._internalMeshDataInfo._effectiveMaterial._preBind(h, v);
                this._internalMeshDataInfo._effectiveMaterial.forceDepthWrite && l.setDepthWrite(!0);
                var E = a.forcePointsCloud ? Or.PointFillMode : a.forceWireframe ? Or.WireFrameFillMode : this._internalMeshDataInfo._effectiveMaterial.fillMode;
                this._internalMeshDataInfo._onBeforeBindObservable && this._internalMeshDataInfo._onBeforeBindObservable.notifyObservers(this),
                d || this._bind(e, _, E);
                var S = this._internalMeshDataInfo._effectiveMaterial
                  , A = y.getWorldMatrix();
                S._storeEffectOnSubMeshes ? S.bindForSubMesh(A, this, e) : S.bind(A, this),
                !S.backFaceCulling && S.separateCullingPass && (l.setState(!0, S.zOffset, !1, !T, S.cullBackFaces, S.stencil, S.zOffsetUnits),
                this._processRendering(this, e, _, E, s, d, this._onBeforeDraw, this._internalMeshDataInfo._effectiveMaterial),
                l.setState(!0, S.zOffset, !1, T, S.cullBackFaces, S.stencil, S.zOffsetUnits),
                this._internalMeshDataInfo._onBetweenPassObservable && this._internalMeshDataInfo._onBetweenPassObservable.notifyObservers(e)),
                this._processRendering(this, e, _, E, s, d, this._onBeforeDraw, this._internalMeshDataInfo._effectiveMaterial),
                this._internalMeshDataInfo._effectiveMaterial.unbind();
                for (var x = 0, R = a._afterRenderingMeshStage; x < R.length; x++)
                    R[x].action(this, e, s, _);
                return this._internalMeshDataInfo._onAfterRenderObservable && this._internalMeshDataInfo._onAfterRenderObservable.notifyObservers(this),
                u && (u.maxZ = c,
                a.updateTransformMatrix(!0)),
                this
            }
            ,
            t.prototype.cleanMatrixWeights = function() {
                this.isVerticesDataPresent(Bi.MatricesWeightsKind) && (this.isVerticesDataPresent(Bi.MatricesWeightsExtraKind) ? this._normalizeSkinWeightsAndExtra() : this._normalizeSkinFourWeights())
            }
            ,
            t.prototype._normalizeSkinFourWeights = function() {
                for (var e = this.getVerticesData(Bi.MatricesWeightsKind), t = e.length, i = 0; i < t; i += 4) {
                    var n = e[i] + e[i + 1] + e[i + 2] + e[i + 3];
                    if (0 === n)
                        e[i] = 1;
                    else {
                        var r = 1 / n;
                        e[i] *= r,
                        e[i + 1] *= r,
                        e[i + 2] *= r,
                        e[i + 3] *= r
                    }
                }
                this.setVerticesData(Bi.MatricesWeightsKind, e)
            }
            ,
            t.prototype._normalizeSkinWeightsAndExtra = function() {
                for (var e = this.getVerticesData(Bi.MatricesWeightsExtraKind), t = this.getVerticesData(Bi.MatricesWeightsKind), i = t.length, n = 0; n < i; n += 4) {
                    var r = t[n] + t[n + 1] + t[n + 2] + t[n + 3];
                    if (0 === (r += e[n] + e[n + 1] + e[n + 2] + e[n + 3]))
                        t[n] = 1;
                    else {
                        var o = 1 / r;
                        t[n] *= o,
                        t[n + 1] *= o,
                        t[n + 2] *= o,
                        t[n + 3] *= o,
                        e[n] *= o,
                        e[n + 1] *= o,
                        e[n + 2] *= o,
                        e[n + 3] *= o
                    }
                }
                this.setVerticesData(Bi.MatricesWeightsKind, t),
                this.setVerticesData(Bi.MatricesWeightsKind, e)
            }
            ,
            t.prototype.validateSkinning = function() {
                var e = this.getVerticesData(Bi.MatricesWeightsExtraKind)
                  , t = this.getVerticesData(Bi.MatricesWeightsKind);
                if (null === t || null == this.skeleton)
                    return {
                        skinned: !1,
                        valid: !0,
                        report: "not skinned"
                    };
                for (var i = t.length, n = 0, r = 0, o = 0, a = 0, s = null === e ? 4 : 8, l = new Array, c = 0; c <= s; c++)
                    l[c] = 0;
                for (c = 0; c < i; c += 4) {
                    for (var u = t[c], h = u, d = 0 === h ? 0 : 1, p = 1; p < s; p++) {
                        var f = p < 4 ? t[c + p] : e[c + p - 4];
                        f > u && n++,
                        0 !== f && d++,
                        h += f,
                        u = f
                    }
                    if (l[d]++,
                    d > o && (o = d),
                    0 === h)
                        r++;
                    else {
                        var _ = 1 / h
                          , m = 0;
                        for (p = 0; p < s; p++)
                            m += p < 4 ? Math.abs(t[c + p] - t[c + p] * _) : Math.abs(e[c + p - 4] - e[c + p - 4] * _);
                        m > .001 && a++
                    }
                }
                var g = this.skeleton.bones.length
                  , v = this.getVerticesData(Bi.MatricesIndicesKind)
                  , y = this.getVerticesData(Bi.MatricesIndicesExtraKind)
                  , b = 0;
                for (c = 0; c < i; c += 4)
                    for (p = 0; p < s; p++) {
                        var T = p < 4 ? v[c + p] : y[c + p - 4];
                        (T >= g || T < 0) && b++
                    }
                return {
                    skinned: !0,
                    valid: 0 === r && 0 === a && 0 === b,
                    report: "Number of Weights = " + i / 4 + "\nMaximum influences = " + o + "\nMissing Weights = " + r + "\nNot Sorted = " + n + "\nNot Normalized = " + a + "\nWeightCounts = [" + l + "]\nNumber of bones = " + g + "\nBad Bone Indices = " + b
                }
            }
            ,
            t.prototype._checkDelayState = function() {
                var e = this.getScene();
                return this._geometry ? this._geometry.load(e) : this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED && (this.delayLoadState = a.DELAYLOADSTATE_LOADING,
                this._queueLoad(e)),
                this
            }
            ,
            t.prototype._queueLoad = function(e) {
                var t = this;
                e._addPendingData(this);
                var i = -1 !== this.delayLoadingFile.indexOf(".babylonbinarymeshdata");
                return gi.LoadFile(this.delayLoadingFile, (function(i) {
                    i instanceof ArrayBuffer ? t._delayLoadingFunction(i, t) : t._delayLoadingFunction(JSON.parse(i), t),
                    t.instances.forEach((function(e) {
                        e.refreshBoundingInfo(),
                        e._syncSubMeshes()
                    }
                    )),
                    t.delayLoadState = a.DELAYLOADSTATE_LOADED,
                    e._removePendingData(t)
                }
                ), (function() {}
                ), e.offlineProvider, i),
                this
            }
            ,
            t.prototype.isInFrustum = function(t) {
                return this.delayLoadState !== a.DELAYLOADSTATE_LOADING && !!e.prototype.isInFrustum.call(this, t) && (this._checkDelayState(),
                !0)
            }
            ,
            t.prototype.setMaterialById = function(e) {
                var t, i = this.getScene().materials;
                for (t = i.length - 1; t > -1; t--)
                    if (i[t].id === e)
                        return this.material = i[t],
                        this;
                var n = this.getScene().multiMaterials;
                for (t = n.length - 1; t > -1; t--)
                    if (n[t].id === e)
                        return this.material = n[t],
                        this;
                return this
            }
            ,
            t.prototype.getAnimatables = function() {
                var e = new Array;
                return this.material && e.push(this.material),
                this.skeleton && e.push(this.skeleton),
                e
            }
            ,
            t.prototype.bakeTransformIntoVertices = function(e) {
                if (!this.isVerticesDataPresent(Bi.PositionKind))
                    return this;
                var t = this.subMeshes.splice(0);
                this._resetPointsArrayCache();
                var i, n = this.getVerticesData(Bi.PositionKind), r = new Array;
                for (i = 0; i < n.length; i += 3)
                    x.TransformCoordinates(x.FromArray(n, i), e).toArray(r, i);
                if (this.setVerticesData(Bi.PositionKind, r, this.getVertexBuffer(Bi.PositionKind).isUpdatable()),
                this.isVerticesDataPresent(Bi.NormalKind)) {
                    for (n = this.getVerticesData(Bi.NormalKind),
                    r = [],
                    i = 0; i < n.length; i += 3)
                        x.TransformNormal(x.FromArray(n, i), e).normalize().toArray(r, i);
                    this.setVerticesData(Bi.NormalKind, r, this.getVertexBuffer(Bi.NormalKind).isUpdatable())
                }
                return e.determinant() < 0 && this.flipFaces(),
                this.releaseSubMeshes(),
                this.subMeshes = t,
                this
            }
            ,
            t.prototype.bakeCurrentTransformIntoVertices = function(e) {
                return void 0 === e && (e = !0),
                this.bakeTransformIntoVertices(this.computeWorldMatrix(!0)),
                this.resetLocalMatrix(e),
                this
            }
            ,
            Object.defineProperty(t.prototype, "_positions", {
                get: function() {
                    return this._internalAbstractMeshDataInfo._positions ? this._internalAbstractMeshDataInfo._positions : this._geometry ? this._geometry._positions : null
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._resetPointsArrayCache = function() {
                return this._geometry && this._geometry._resetPointsArrayCache(),
                this
            }
            ,
            t.prototype._generatePointsArray = function() {
                return !!this._geometry && this._geometry._generatePointsArray()
            }
            ,
            t.prototype.clone = function(e, i, n, r) {
                return void 0 === e && (e = ""),
                void 0 === i && (i = null),
                void 0 === r && (r = !0),
                new t(e,this.getScene(),i,this,n,r)
            }
            ,
            t.prototype.dispose = function(t, i) {
                void 0 === i && (i = !1),
                this.morphTargetManager = null,
                this._geometry && this._geometry.releaseForMesh(this, !0);
                var n = this._internalMeshDataInfo;
                if (n._onBeforeDrawObservable && n._onBeforeDrawObservable.clear(),
                n._onBeforeBindObservable && n._onBeforeBindObservable.clear(),
                n._onBeforeRenderObservable && n._onBeforeRenderObservable.clear(),
                n._onAfterRenderObservable && n._onAfterRenderObservable.clear(),
                n._onBetweenPassObservable && n._onBetweenPassObservable.clear(),
                this._scene.useClonedMeshMap) {
                    if (n.meshMap)
                        for (var r in n.meshMap)
                            (s = n.meshMap[r]) && (s._internalMeshDataInfo._source = null,
                            n.meshMap[r] = void 0);
                    n._source && n._source._internalMeshDataInfo.meshMap && (n._source._internalMeshDataInfo.meshMap[this.uniqueId] = void 0)
                } else
                    for (var o = 0, a = this.getScene().meshes; o < a.length; o++) {
                        var s;
                        (s = a[o])._internalMeshDataInfo && s._internalMeshDataInfo._source && s._internalMeshDataInfo._source === this && (s._internalMeshDataInfo._source = null)
                    }
                n._source = null,
                this._disposeInstanceSpecificData(),
                this._disposeThinInstanceSpecificData(),
                this._internalMeshDataInfo._checkReadinessObserver && this._scene.onBeforeRenderObservable.remove(this._internalMeshDataInfo._checkReadinessObserver),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.prototype._disposeInstanceSpecificData = function() {}
            ,
            t.prototype._disposeThinInstanceSpecificData = function() {}
            ,
            t.prototype._invalidateInstanceVertexArrayObject = function() {}
            ,
            t.prototype.applyDisplacementMap = function(e, t, i, n, r, o, a) {
                var s = this;
                void 0 === a && (a = !1);
                var l = this.getScene();
                return gi.LoadImage(e, (function(e) {
                    var l = e.width
                      , c = e.height
                      , u = s.getEngine().createCanvas(l, c).getContext("2d");
                    u.drawImage(e, 0, 0);
                    var h = u.getImageData(0, 0, l, c).data;
                    s.applyDisplacementMapFromBuffer(h, l, c, t, i, r, o, a),
                    n && n(s)
                }
                ), (function() {}
                ), l.offlineProvider),
                this
            }
            ,
            t.prototype.applyDisplacementMapFromBuffer = function(e, t, i, n, r, o, a, s) {
                if (void 0 === s && (s = !1),
                !this.isVerticesDataPresent(Bi.PositionKind) || !this.isVerticesDataPresent(Bi.NormalKind) || !this.isVerticesDataPresent(Bi.UVKind))
                    return K.Warn("Cannot call applyDisplacementMap: Given mesh is not complete. Position, Normal or UV are missing"),
                    this;
                var l = this.getVerticesData(Bi.PositionKind, !0, !0)
                  , c = this.getVerticesData(Bi.NormalKind)
                  , u = this.getVerticesData(Bi.UVKind)
                  , h = x.Zero()
                  , d = x.Zero()
                  , p = A.Zero();
                o = o || A.Zero(),
                a = a || new A(1,1);
                for (var f = 0; f < l.length; f += 3) {
                    x.FromArrayToRef(l, f, h),
                    x.FromArrayToRef(c, f, d),
                    A.FromArrayToRef(u, f / 3 * 2, p);
                    var _ = 4 * ((Math.abs(p.x * a.x + o.x % 1) * (t - 1) % t | 0) + (Math.abs(p.y * a.y + o.y % 1) * (i - 1) % i | 0) * t)
                      , m = e[_] / 255 * .3 + e[_ + 1] / 255 * .59 + e[_ + 2] / 255 * .11;
                    d.normalize(),
                    d.scaleInPlace(n + (r - n) * m),
                    (h = h.add(d)).toArray(l, f)
                }
                return $n.ComputeNormals(l, this.getIndices(), c),
                s ? (this.setVerticesData(Bi.PositionKind, l),
                this.setVerticesData(Bi.NormalKind, c),
                this.setVerticesData(Bi.UVKind, u)) : (this.updateVerticesData(Bi.PositionKind, l),
                this.updateVerticesData(Bi.NormalKind, c)),
                this
            }
            ,
            t.prototype.convertToFlatShadedMesh = function() {
                var e, t, i = this.getVerticesDataKinds(), n = {}, r = {}, o = {}, s = !1;
                for (e = 0; e < i.length; e++) {
                    t = i[e];
                    var l = this.getVertexBuffer(t)
                      , c = l.getData();
                    (c instanceof Array || c instanceof Float32Array) && 0 === c.length || (t !== Bi.NormalKind ? (n[t] = l,
                    r[t] = this.getVerticesData(t),
                    o[t] = []) : (s = l.isUpdatable(),
                    i.splice(e, 1),
                    e--))
                }
                var u, h = this.subMeshes.slice(0), d = this.getIndices(), p = this.getTotalIndices();
                for (u = 0; u < p; u++) {
                    var f = d[u];
                    for (e = 0; e < i.length; e++)
                        if (n[t = i[e]])
                            for (var _ = n[t].getStrideSize(), m = 0; m < _; m++)
                                o[t].push(r[t][f * _ + m])
                }
                var g, v = [], y = o[Bi.PositionKind];
                for (g = this.getScene().useRightHandedSystem ? this.overrideMaterialSideOrientation === a.MATERIAL_CounterClockWiseSideOrientation : this.overrideMaterialSideOrientation === a.MATERIAL_ClockWiseSideOrientation,
                u = 0; u < p; u += 3) {
                    d[u] = u,
                    d[u + 1] = u + 1,
                    d[u + 2] = u + 2;
                    var b = x.FromArray(y, 3 * u)
                      , T = x.FromArray(y, 3 * (u + 1))
                      , E = x.FromArray(y, 3 * (u + 2))
                      , S = b.subtract(T)
                      , A = E.subtract(T)
                      , R = x.Normalize(x.Cross(S, A));
                    g && R.scaleInPlace(-1);
                    for (var C = 0; C < 3; C++)
                        v.push(R.x),
                        v.push(R.y),
                        v.push(R.z)
                }
                for (this.setIndices(d),
                this.setVerticesData(Bi.NormalKind, v, s),
                e = 0; e < i.length; e++)
                    o[t = i[e]] && this.setVerticesData(t, o[t], n[t].isUpdatable());
                this.releaseSubMeshes();
                for (var P = 0; P < h.length; P++) {
                    var M = h[P];
                    hr.AddToMesh(M.materialIndex, M.indexStart, M.indexCount, M.indexStart, M.indexCount, this)
                }
                return this.synchronizeInstances(),
                this
            }
            ,
            t.prototype.convertToUnIndexedMesh = function() {
                var e, t, i = this.getVerticesDataKinds(), n = {}, r = {}, o = {};
                for (e = 0; e < i.length; e++) {
                    t = i[e];
                    var a = this.getVertexBuffer(t);
                    n[t] = a,
                    r[t] = n[t].getData(),
                    o[t] = []
                }
                var s, l = this.subMeshes.slice(0), c = this.getIndices(), u = this.getTotalIndices();
                for (s = 0; s < u; s++) {
                    var h = c[s];
                    for (e = 0; e < i.length; e++)
                        for (var d = n[t = i[e]].getStrideSize(), p = 0; p < d; p++)
                            o[t].push(r[t][h * d + p])
                }
                for (s = 0; s < u; s += 3)
                    c[s] = s,
                    c[s + 1] = s + 1,
                    c[s + 2] = s + 2;
                for (this.setIndices(c),
                e = 0; e < i.length; e++)
                    t = i[e],
                    this.setVerticesData(t, o[t], n[t].isUpdatable());
                this.releaseSubMeshes();
                for (var f = 0; f < l.length; f++) {
                    var _ = l[f];
                    hr.AddToMesh(_.materialIndex, _.indexStart, _.indexCount, _.indexStart, _.indexCount, this)
                }
                return this._unIndexed = !0,
                this.synchronizeInstances(),
                this
            }
            ,
            t.prototype.flipFaces = function(e) {
                void 0 === e && (e = !1);
                var t, i = $n.ExtractFromMesh(this);
                if (e && this.isVerticesDataPresent(Bi.NormalKind) && i.normals)
                    for (t = 0; t < i.normals.length; t++)
                        i.normals[t] *= -1;
                if (i.indices) {
                    var n = void 0;
                    for (t = 0; t < i.indices.length; t += 3)
                        n = i.indices[t + 1],
                        i.indices[t + 1] = i.indices[t + 2],
                        i.indices[t + 2] = n
                }
                return i.applyToMesh(this, this.isVertexBufferUpdatable(Bi.PositionKind)),
                this
            }
            ,
            t.prototype.increaseVertices = function(e) {
                var t = $n.ExtractFromMesh(this)
                  , i = t.uvs && !Array.isArray(t.uvs) && Array.from ? Array.from(t.uvs) : t.uvs
                  , n = t.indices && !Array.isArray(t.indices) && Array.from ? Array.from(t.indices) : t.indices
                  , r = t.positions && !Array.isArray(t.positions) && Array.from ? Array.from(t.positions) : t.positions
                  , o = t.normals && !Array.isArray(t.normals) && Array.from ? Array.from(t.normals) : t.normals;
                if (n && r && o && i) {
                    t.indices = n,
                    t.positions = r,
                    t.normals = o,
                    t.uvs = i;
                    for (var a = e + 1, s = new Array, l = 0; l < a + 1; l++)
                        s[l] = new Array;
                    var c = void 0
                      , u = void 0
                      , h = new x(0,0,0)
                      , d = new x(0,0,0)
                      , p = new A(0,0)
                      , f = new Array
                      , _ = new Array
                      , m = new Array
                      , g = void 0
                      , v = r.length
                      , y = i.length;
                    for (l = 0; l < n.length; l += 3) {
                        _[0] = n[l],
                        _[1] = n[l + 1],
                        _[2] = n[l + 2];
                        for (var b = 0; b < 3; b++)
                            if (c = _[b],
                            u = _[(b + 1) % 3],
                            void 0 === m[c] && void 0 === m[u] ? (m[c] = new Array,
                            m[u] = new Array) : (void 0 === m[c] && (m[c] = new Array),
                            void 0 === m[u] && (m[u] = new Array)),
                            void 0 === m[c][u] && void 0 === m[u][c]) {
                                m[c][u] = [],
                                h.x = (r[3 * u] - r[3 * c]) / a,
                                h.y = (r[3 * u + 1] - r[3 * c + 1]) / a,
                                h.z = (r[3 * u + 2] - r[3 * c + 2]) / a,
                                d.x = (o[3 * u] - o[3 * c]) / a,
                                d.y = (o[3 * u + 1] - o[3 * c + 1]) / a,
                                d.z = (o[3 * u + 2] - o[3 * c + 2]) / a,
                                p.x = (i[2 * u] - i[2 * c]) / a,
                                p.y = (i[2 * u + 1] - i[2 * c + 1]) / a,
                                m[c][u].push(c);
                                for (var T = 1; T < a; T++)
                                    m[c][u].push(r.length / 3),
                                    r[v] = r[3 * c] + T * h.x,
                                    o[v++] = o[3 * c] + T * d.x,
                                    r[v] = r[3 * c + 1] + T * h.y,
                                    o[v++] = o[3 * c + 1] + T * d.y,
                                    r[v] = r[3 * c + 2] + T * h.z,
                                    o[v++] = o[3 * c + 2] + T * d.z,
                                    i[y++] = i[2 * c] + T * p.x,
                                    i[y++] = i[2 * c + 1] + T * p.y;
                                m[c][u].push(u),
                                m[u][c] = new Array,
                                g = m[c][u].length;
                                for (var E = 0; E < g; E++)
                                    m[u][c][E] = m[c][u][g - 1 - E]
                            }
                        for (s[0][0] = n[l],
                        s[1][0] = m[n[l]][n[l + 1]][1],
                        s[1][1] = m[n[l]][n[l + 2]][1],
                        T = 2; T < a; T++)
                            for (s[T][0] = m[n[l]][n[l + 1]][T],
                            s[T][T] = m[n[l]][n[l + 2]][T],
                            h.x = (r[3 * s[T][T]] - r[3 * s[T][0]]) / T,
                            h.y = (r[3 * s[T][T] + 1] - r[3 * s[T][0] + 1]) / T,
                            h.z = (r[3 * s[T][T] + 2] - r[3 * s[T][0] + 2]) / T,
                            d.x = (o[3 * s[T][T]] - o[3 * s[T][0]]) / T,
                            d.y = (o[3 * s[T][T] + 1] - o[3 * s[T][0] + 1]) / T,
                            d.z = (o[3 * s[T][T] + 2] - o[3 * s[T][0] + 2]) / T,
                            p.x = (i[2 * s[T][T]] - i[2 * s[T][0]]) / T,
                            p.y = (i[2 * s[T][T] + 1] - i[2 * s[T][0] + 1]) / T,
                            b = 1; b < T; b++)
                                s[T][b] = r.length / 3,
                                r[v] = r[3 * s[T][0]] + b * h.x,
                                o[v++] = o[3 * s[T][0]] + b * d.x,
                                r[v] = r[3 * s[T][0] + 1] + b * h.y,
                                o[v++] = o[3 * s[T][0] + 1] + b * d.y,
                                r[v] = r[3 * s[T][0] + 2] + b * h.z,
                                o[v++] = o[3 * s[T][0] + 2] + b * d.z,
                                i[y++] = i[2 * s[T][0]] + b * p.x,
                                i[y++] = i[2 * s[T][0] + 1] + b * p.y;
                        for (s[a] = m[n[l + 1]][n[l + 2]],
                        f.push(s[0][0], s[1][0], s[1][1]),
                        T = 1; T < a; T++) {
                            for (b = void 0,
                            b = 0; b < T; b++)
                                f.push(s[T][b], s[T + 1][b], s[T + 1][b + 1]),
                                f.push(s[T][b], s[T + 1][b + 1], s[T][b + 1]);
                            f.push(s[T][b], s[T + 1][b], s[T + 1][b + 1])
                        }
                    }
                    t.indices = f,
                    t.applyToMesh(this, this.isVertexBufferUpdatable(Bi.PositionKind))
                } else
                    K.Warn("VertexData contains null entries")
            }
            ,
            t.prototype.forceSharedVertices = function() {
                var e = $n.ExtractFromMesh(this)
                  , t = e.uvs
                  , i = e.indices
                  , n = e.positions
                  , r = e.colors;
                if (void 0 === i || void 0 === n || null === i || null === n)
                    K.Warn("VertexData contains empty entries");
                else {
                    for (var o = new Array, a = new Array, s = new Array, l = new Array, c = new Array, u = 0, h = {}, d = void 0, p = void 0, f = 0; f < i.length; f += 3) {
                        p = [i[f], i[f + 1], i[f + 2]],
                        c = new Array;
                        for (var _ = 0; _ < 3; _++) {
                            c[_] = "";
                            for (var m = 0; m < 3; m++)
                                Math.abs(n[3 * p[_] + m]) < 1e-8 && (n[3 * p[_] + m] = 0),
                                c[_] += n[3 * p[_] + m] + "|"
                        }
                        if (c[0] != c[1] && c[0] != c[2] && c[1] != c[2])
                            for (_ = 0; _ < 3; _++) {
                                if (void 0 === (d = h[c[_]])) {
                                    for (h[c[_]] = u,
                                    d = u++,
                                    m = 0; m < 3; m++)
                                        o.push(n[3 * p[_] + m]);
                                    if (null != r)
                                        for (m = 0; m < 4; m++)
                                            l.push(r[4 * p[_] + m]);
                                    if (null != t)
                                        for (m = 0; m < 2; m++)
                                            s.push(t[2 * p[_] + m])
                                }
                                a.push(d)
                            }
                    }
                    var g = new Array;
                    $n.ComputeNormals(o, a, g),
                    e.positions = o,
                    e.indices = a,
                    e.normals = g,
                    null != t && (e.uvs = s),
                    null != r && (e.colors = l),
                    e.applyToMesh(this, this.isVertexBufferUpdatable(Bi.PositionKind))
                }
            }
            ,
            t._instancedMeshFactory = function(e, t) {
                throw be("InstancedMesh")
            }
            ,
            t._PhysicsImpostorParser = function(e, t, i) {
                throw be("PhysicsImpostor")
            }
            ,
            t.prototype.createInstance = function(e) {
                return t._instancedMeshFactory(e, this)
            }
            ,
            t.prototype.synchronizeInstances = function() {
                for (var e = 0; e < this.instances.length; e++)
                    this.instances[e]._syncSubMeshes();
                return this
            }
            ,
            t.prototype.optimizeIndices = function(e) {
                var t = this
                  , i = this.getIndices()
                  , n = this.getVerticesData(Bi.PositionKind);
                if (!n || !i)
                    return this;
                for (var r = new Array, o = 0; o < n.length; o += 3)
                    r.push(x.FromArray(n, o));
                var a = new Array;
                return yi.SyncAsyncForLoop(r.length, 40, (function(e) {
                    for (var t = r.length - 1 - e, i = r[t], n = 0; n < t; ++n) {
                        var o = r[n];
                        if (i.equals(o)) {
                            a[t] = n;
                            break
                        }
                    }
                }
                ), (function() {
                    for (var n = 0; n < i.length; ++n)
                        i[n] = a[i[n]] || i[n];
                    var r = t.subMeshes.slice(0);
                    t.setIndices(i),
                    t.subMeshes = r,
                    e && e(t)
                }
                )),
                this
            }
            ,
            t.prototype.serialize = function(e) {
                e.name = this.name,
                e.id = this.id,
                e.uniqueId = this.uniqueId,
                e.type = this.getClassName(),
                ye && ye.HasTags(this) && (e.tags = ye.GetTags(this)),
                e.position = this.position.asArray(),
                this.rotationQuaternion ? e.rotationQuaternion = this.rotationQuaternion.asArray() : this.rotation && (e.rotation = this.rotation.asArray()),
                e.scaling = this.scaling.asArray(),
                this._postMultiplyPivotMatrix ? e.pivotMatrix = this.getPivotMatrix().asArray() : e.localMatrix = this.getPivotMatrix().asArray(),
                e.isEnabled = this.isEnabled(!1),
                e.isVisible = this.isVisible,
                e.infiniteDistance = this.infiniteDistance,
                e.pickable = this.isPickable,
                e.receiveShadows = this.receiveShadows,
                e.billboardMode = this.billboardMode,
                e.visibility = this.visibility,
                e.checkCollisions = this.checkCollisions,
                e.isBlocker = this.isBlocker,
                e.overrideMaterialSideOrientation = this.overrideMaterialSideOrientation,
                this.parent && (e.parentId = this.parent.uniqueId),
                e.isUnIndexed = this.isUnIndexed;
                var t = this._geometry;
                if (t && this.subMeshes) {
                    e.geometryUniqueId = t.uniqueId,
                    e.geometryId = t.id,
                    e.subMeshes = [];
                    for (var i = 0; i < this.subMeshes.length; i++) {
                        var n = this.subMeshes[i];
                        e.subMeshes.push({
                            materialIndex: n.materialIndex,
                            verticesStart: n.verticesStart,
                            verticesCount: n.verticesCount,
                            indexStart: n.indexStart,
                            indexCount: n.indexCount
                        })
                    }
                }
                this.material ? this.material.doNotSerialize || (e.materialUniqueId = this.material.uniqueId,
                e.materialId = this.material.id) : (this.material = null,
                e.materialUniqueId = this._scene.defaultMaterial.uniqueId,
                e.materialId = this._scene.defaultMaterial.id),
                this.morphTargetManager && (e.morphTargetManagerId = this.morphTargetManager.uniqueId),
                this.skeleton && (e.skeletonId = this.skeleton.id,
                e.numBoneInfluencers = this.numBoneInfluencers),
                this.getScene()._getComponent(Wi.NAME_PHYSICSENGINE) && (a = this.getPhysicsImpostor()) && (e.physicsMass = a.getParam("mass"),
                e.physicsFriction = a.getParam("friction"),
                e.physicsRestitution = a.getParam("mass"),
                e.physicsImpostor = a.type),
                this.metadata && (e.metadata = this.metadata),
                e.instances = [];
                for (var r = 0; r < this.instances.length; r++) {
                    var o = this.instances[r];
                    if (!o.doNotSerialize) {
                        var a, s = {
                            name: o.name,
                            id: o.id,
                            isEnabled: o.isEnabled(!1),
                            isVisible: o.isVisible,
                            isPickable: o.isPickable,
                            checkCollisions: o.checkCollisions,
                            position: o.position.asArray(),
                            scaling: o.scaling.asArray()
                        };
                        o.parent && (s.parentId = o.parent.uniqueId),
                        o.rotationQuaternion ? s.rotationQuaternion = o.rotationQuaternion.asArray() : o.rotation && (s.rotation = o.rotation.asArray()),
                        this.getScene()._getComponent(Wi.NAME_PHYSICSENGINE) && (a = o.getPhysicsImpostor()) && (s.physicsMass = a.getParam("mass"),
                        s.physicsFriction = a.getParam("friction"),
                        s.physicsRestitution = a.getParam("mass"),
                        s.physicsImpostor = a.type),
                        o.metadata && (s.metadata = o.metadata),
                        e.instances.push(s),
                        Ge.AppendSerializedAnimations(o, s),
                        s.ranges = o.serializeAnimationRanges()
                    }
                }
                if (this._thinInstanceDataStorage.instancesCount && this._thinInstanceDataStorage.matrixData && (e.thinInstances = {
                    instancesCount: this._thinInstanceDataStorage.instancesCount,
                    matrixData: gi.SliceToArray(this._thinInstanceDataStorage.matrixData),
                    matrixBufferSize: this._thinInstanceDataStorage.matrixBufferSize,
                    enablePicking: this.thinInstanceEnablePicking
                },
                this._userThinInstanceBuffersStorage)) {
                    var l = {
                        data: {},
                        sizes: {},
                        strides: {}
                    };
                    for (var c in this._userThinInstanceBuffersStorage.data)
                        l.data[c] = gi.SliceToArray(this._userThinInstanceBuffersStorage.data[c]),
                        l.sizes[c] = this._userThinInstanceBuffersStorage.sizes[c],
                        l.strides[c] = this._userThinInstanceBuffersStorage.strides[c];
                    e.thinInstances.userThinInstance = l
                }
                Ge.AppendSerializedAnimations(this, e),
                e.ranges = this.serializeAnimationRanges(),
                e.layerMask = this.layerMask,
                e.alphaIndex = this.alphaIndex,
                e.hasVertexAlpha = this.hasVertexAlpha,
                e.overlayAlpha = this.overlayAlpha,
                e.overlayColor = this.overlayColor.asArray(),
                e.renderOverlay = this.renderOverlay,
                e.applyFog = this.applyFog,
                this.actionManager && (e.actions = this.actionManager.serialize(this.name))
            }
            ,
            t.prototype._syncGeometryWithMorphTargetManager = function() {
                if (this.geometry) {
                    this._markSubMeshesAsAttributesDirty();
                    var e = this._internalAbstractMeshDataInfo._morphTargetManager;
                    if (e && e.vertexCount) {
                        if (e.vertexCount !== this.getTotalVertices())
                            return K.Error("Mesh is incompatible with morph targets. Targets and mesh must all have the same vertices count."),
                            void (this.morphTargetManager = null);
                        if (e.isUsingTextureForTargets)
                            return;
                        for (var t = 0; t < e.numInfluencers; t++) {
                            var i = e.getActiveTarget(t)
                              , n = i.getPositions();
                            if (!n)
                                return void K.Error("Invalid morph target. Target must have positions.");
                            this.geometry.setVerticesData(Bi.PositionKind + t, n, !1, 3);
                            var r = i.getNormals();
                            r && this.geometry.setVerticesData(Bi.NormalKind + t, r, !1, 3);
                            var o = i.getTangents();
                            o && this.geometry.setVerticesData(Bi.TangentKind + t, o, !1, 3);
                            var a = i.getUVs();
                            a && this.geometry.setVerticesData(Bi.UVKind + "_" + t, a, !1, 2)
                        }
                    } else
                        for (t = 0; this.geometry.isVerticesDataPresent(Bi.PositionKind + t); )
                            this.geometry.removeVerticesData(Bi.PositionKind + t),
                            this.geometry.isVerticesDataPresent(Bi.NormalKind + t) && this.geometry.removeVerticesData(Bi.NormalKind + t),
                            this.geometry.isVerticesDataPresent(Bi.TangentKind + t) && this.geometry.removeVerticesData(Bi.TangentKind + t),
                            this.geometry.isVerticesDataPresent(Bi.UVKind + t) && this.geometry.removeVerticesData(Bi.UVKind + "_" + t),
                            t++
                }
            }
            ,
            t.Parse = function(e, i, n) {
                var r;
                if ((r = e.type && "LinesMesh" === e.type ? t._LinesMeshParser(e, i) : e.type && "GroundMesh" === e.type ? t._GroundMeshParser(e, i) : e.type && "GoldbergMesh" === e.type ? t._GoldbergMeshParser(e, i) : new t(e.name,i)).id = e.id,
                ye && ye.AddTagsTo(r, e.tags),
                r.position = x.FromArray(e.position),
                void 0 !== e.metadata && (r.metadata = e.metadata),
                e.rotationQuaternion ? r.rotationQuaternion = C.FromArray(e.rotationQuaternion) : e.rotation && (r.rotation = x.FromArray(e.rotation)),
                r.scaling = x.FromArray(e.scaling),
                e.localMatrix ? r.setPreTransformMatrix(P.FromArray(e.localMatrix)) : e.pivotMatrix && r.setPivotMatrix(P.FromArray(e.pivotMatrix)),
                r.setEnabled(e.isEnabled),
                r.isVisible = e.isVisible,
                r.infiniteDistance = e.infiniteDistance,
                r.showBoundingBox = e.showBoundingBox,
                r.showSubMeshesBoundingBox = e.showSubMeshesBoundingBox,
                void 0 !== e.applyFog && (r.applyFog = e.applyFog),
                void 0 !== e.pickable && (r.isPickable = e.pickable),
                void 0 !== e.alphaIndex && (r.alphaIndex = e.alphaIndex),
                r.receiveShadows = e.receiveShadows,
                r.billboardMode = e.billboardMode,
                void 0 !== e.visibility && (r.visibility = e.visibility),
                r.checkCollisions = e.checkCollisions,
                r.overrideMaterialSideOrientation = e.overrideMaterialSideOrientation,
                void 0 !== e.isBlocker && (r.isBlocker = e.isBlocker),
                r._shouldGenerateFlatShading = e.useFlatShading,
                e.freezeWorldMatrix && (r._waitingData.freezeWorldMatrix = e.freezeWorldMatrix),
                void 0 !== e.parentId && (r._waitingParentId = e.parentId),
                void 0 !== e.actions && (r._waitingData.actions = e.actions),
                void 0 !== e.overlayAlpha && (r.overlayAlpha = e.overlayAlpha),
                void 0 !== e.overlayColor && (r.overlayColor = D.FromArray(e.overlayColor)),
                void 0 !== e.renderOverlay && (r.renderOverlay = e.renderOverlay),
                r.isUnIndexed = !!e.isUnIndexed,
                r.hasVertexAlpha = e.hasVertexAlpha,
                e.delayLoadingFile ? (r.delayLoadState = a.DELAYLOADSTATE_NOTLOADED,
                r.delayLoadingFile = n + e.delayLoadingFile,
                r.buildBoundingInfo(x.FromArray(e.boundingBoxMinimum), x.FromArray(e.boundingBoxMaximum)),
                e._binaryInfo && (r._binaryInfo = e._binaryInfo),
                r._delayInfo = [],
                e.hasUVs && r._delayInfo.push(Bi.UVKind),
                e.hasUVs2 && r._delayInfo.push(Bi.UV2Kind),
                e.hasUVs3 && r._delayInfo.push(Bi.UV3Kind),
                e.hasUVs4 && r._delayInfo.push(Bi.UV4Kind),
                e.hasUVs5 && r._delayInfo.push(Bi.UV5Kind),
                e.hasUVs6 && r._delayInfo.push(Bi.UV6Kind),
                e.hasColors && r._delayInfo.push(Bi.ColorKind),
                e.hasMatricesIndices && r._delayInfo.push(Bi.MatricesIndicesKind),
                e.hasMatricesWeights && r._delayInfo.push(Bi.MatricesWeightsKind),
                r._delayLoadingFunction = fr._ImportGeometry,
                dr.ForceFullSceneLoadingForIncremental && r._checkDelayState()) : fr._ImportGeometry(e, r),
                e.materialUniqueId ? r._waitingMaterialId = e.materialUniqueId : e.materialId && (r._waitingMaterialId = e.materialId),
                e.morphTargetManagerId > -1 && (r.morphTargetManager = i.getMorphTargetManagerById(e.morphTargetManagerId)),
                void 0 !== e.skeletonId && null !== e.skeletonId && (r.skeleton = i.getLastSkeletonById(e.skeletonId),
                e.numBoneInfluencers && (r.numBoneInfluencers = e.numBoneInfluencers)),
                e.animations) {
                    for (var o = 0; o < e.animations.length; o++) {
                        var s = e.animations[o];
                        (h = b("BABYLON.Animation")) && r.animations.push(h.Parse(s))
                    }
                    Xe.ParseAnimationRanges(r, e, i)
                }
                if (e.autoAnimate && i.beginAnimation(r, e.autoAnimateFrom, e.autoAnimateTo, e.autoAnimateLoop, e.autoAnimateSpeed || 1),
                e.layerMask && !isNaN(e.layerMask) ? r.layerMask = Math.abs(parseInt(e.layerMask)) : r.layerMask = 268435455,
                e.physicsImpostor && t._PhysicsImpostorParser(i, r, e),
                e.lodMeshIds && (r._waitingData.lods = {
                    ids: e.lodMeshIds,
                    distances: e.lodDistances ? e.lodDistances : null,
                    coverages: e.lodCoverages ? e.lodCoverages : null
                }),
                e.instances)
                    for (var l = 0; l < e.instances.length; l++) {
                        var c = e.instances[l]
                          , u = r.createInstance(c.name);
                        if (c.id && (u.id = c.id),
                        ye && (c.tags ? ye.AddTagsTo(u, c.tags) : ye.AddTagsTo(u, e.tags)),
                        u.position = x.FromArray(c.position),
                        void 0 !== c.metadata && (u.metadata = c.metadata),
                        void 0 !== c.parentId && (u._waitingParentId = c.parentId),
                        void 0 !== c.isEnabled && null !== c.isEnabled && u.setEnabled(c.isEnabled),
                        void 0 !== c.isVisible && null !== c.isVisible && (u.isVisible = c.isVisible),
                        void 0 !== c.isPickable && null !== c.isPickable && (u.isPickable = c.isPickable),
                        c.rotationQuaternion ? u.rotationQuaternion = C.FromArray(c.rotationQuaternion) : c.rotation && (u.rotation = x.FromArray(c.rotation)),
                        u.scaling = x.FromArray(c.scaling),
                        null != c.checkCollisions && null != c.checkCollisions && (u.checkCollisions = c.checkCollisions),
                        null != c.pickable && null != c.pickable && (u.isPickable = c.pickable),
                        null != c.showBoundingBox && null != c.showBoundingBox && (u.showBoundingBox = c.showBoundingBox),
                        null != c.showSubMeshesBoundingBox && null != c.showSubMeshesBoundingBox && (u.showSubMeshesBoundingBox = c.showSubMeshesBoundingBox),
                        null != c.alphaIndex && null != c.showSubMeshesBoundingBox && (u.alphaIndex = c.alphaIndex),
                        c.physicsImpostor && t._PhysicsImpostorParser(i, u, c),
                        c.animations) {
                            for (o = 0; o < c.animations.length; o++) {
                                var h;
                                s = c.animations[o],
                                (h = b("BABYLON.Animation")) && u.animations.push(h.Parse(s))
                            }
                            Xe.ParseAnimationRanges(u, c, i),
                            c.autoAnimate && i.beginAnimation(u, c.autoAnimateFrom, c.autoAnimateTo, c.autoAnimateLoop, c.autoAnimateSpeed || 1)
                        }
                    }
                if (e.thinInstances) {
                    var d = e.thinInstances;
                    if (r.thinInstanceEnablePicking = !!d.enablePicking,
                    d.matrixData ? (r.thinInstanceSetBuffer("matrix", new Float32Array(d.matrixData), 16, !1),
                    r._thinInstanceDataStorage.matrixBufferSize = d.matrixBufferSize,
                    r._thinInstanceDataStorage.instancesCount = d.instancesCount) : r._thinInstanceDataStorage.matrixBufferSize = d.matrixBufferSize,
                    e.thinInstances.userThinInstance) {
                        var p = e.thinInstances.userThinInstance;
                        for (var f in p.data)
                            r.thinInstanceSetBuffer(f, new Float32Array(p.data[f]), p.strides[f], !1),
                            r._userThinInstanceBuffersStorage.sizes[f] = p.sizes[f]
                    }
                }
                return r
            }
            ,
            t.prototype.setPositionsForCPUSkinning = function() {
                var e = this._internalMeshDataInfo;
                if (!e._sourcePositions) {
                    var t = this.getVerticesData(Bi.PositionKind);
                    if (!t)
                        return e._sourcePositions;
                    e._sourcePositions = new Float32Array(t),
                    this.isVertexBufferUpdatable(Bi.PositionKind) || this.setVerticesData(Bi.PositionKind, t, !0)
                }
                return e._sourcePositions
            }
            ,
            t.prototype.setNormalsForCPUSkinning = function() {
                var e = this._internalMeshDataInfo;
                if (!e._sourceNormals) {
                    var t = this.getVerticesData(Bi.NormalKind);
                    if (!t)
                        return e._sourceNormals;
                    e._sourceNormals = new Float32Array(t),
                    this.isVertexBufferUpdatable(Bi.NormalKind) || this.setVerticesData(Bi.NormalKind, t, !0)
                }
                return e._sourceNormals
            }
            ,
            t.prototype.applySkeleton = function(e) {
                if (!this.geometry)
                    return this;
                if (this.geometry._softwareSkinningFrameId == this.getScene().getFrameId())
                    return this;
                if (this.geometry._softwareSkinningFrameId = this.getScene().getFrameId(),
                !this.isVerticesDataPresent(Bi.PositionKind))
                    return this;
                if (!this.isVerticesDataPresent(Bi.MatricesIndicesKind))
                    return this;
                if (!this.isVerticesDataPresent(Bi.MatricesWeightsKind))
                    return this;
                var t = this.isVerticesDataPresent(Bi.NormalKind)
                  , i = this._internalMeshDataInfo;
                if (!i._sourcePositions) {
                    var n = this.subMeshes.slice();
                    this.setPositionsForCPUSkinning(),
                    this.subMeshes = n
                }
                t && !i._sourceNormals && this.setNormalsForCPUSkinning();
                var r = this.getVerticesData(Bi.PositionKind);
                if (!r)
                    return this;
                r instanceof Float32Array || (r = new Float32Array(r));
                var o = this.getVerticesData(Bi.NormalKind);
                if (t) {
                    if (!o)
                        return this;
                    o instanceof Float32Array || (o = new Float32Array(o))
                }
                var a = this.getVerticesData(Bi.MatricesIndicesKind)
                  , s = this.getVerticesData(Bi.MatricesWeightsKind);
                if (!s || !a)
                    return this;
                for (var l, c = this.numBoneInfluencers > 4, u = c ? this.getVerticesData(Bi.MatricesIndicesExtraKind) : null, h = c ? this.getVerticesData(Bi.MatricesWeightsExtraKind) : null, d = e.getTransformMatrices(this), p = x.Zero(), f = new P, _ = new P, m = 0, g = 0; g < r.length; g += 3,
                m += 4) {
                    var v = void 0;
                    for (l = 0; l < 4; l++)
                        (v = s[m + l]) > 0 && (P.FromFloat32ArrayToRefScaled(d, Math.floor(16 * a[m + l]), v, _),
                        f.addToSelf(_));
                    if (c)
                        for (l = 0; l < 4; l++)
                            (v = h[m + l]) > 0 && (P.FromFloat32ArrayToRefScaled(d, Math.floor(16 * u[m + l]), v, _),
                            f.addToSelf(_));
                    x.TransformCoordinatesFromFloatsToRef(i._sourcePositions[g], i._sourcePositions[g + 1], i._sourcePositions[g + 2], f, p),
                    p.toArray(r, g),
                    t && (x.TransformNormalFromFloatsToRef(i._sourceNormals[g], i._sourceNormals[g + 1], i._sourceNormals[g + 2], f, p),
                    p.toArray(o, g)),
                    f.reset()
                }
                return this.updateVerticesData(Bi.PositionKind, r),
                t && this.updateVerticesData(Bi.NormalKind, o),
                this
            }
            ,
            t.MinMax = function(e) {
                var t = null
                  , i = null;
                return e.forEach((function(e) {
                    var n = e.getBoundingInfo().boundingBox;
                    t && i ? (t.minimizeInPlace(n.minimumWorld),
                    i.maximizeInPlace(n.maximumWorld)) : (t = n.minimumWorld,
                    i = n.maximumWorld)
                }
                )),
                t && i ? {
                    min: t,
                    max: i
                } : {
                    min: x.Zero(),
                    max: x.Zero()
                }
            }
            ,
            t.Center = function(e) {
                var i = e instanceof Array ? t.MinMax(e) : e;
                return x.Center(i.min, i.max)
            }
            ,
            t.MergeMeshes = function(e, i, n, r, o, a) {
                return void 0 === i && (i = !0),
                Qn(t._MergeMeshesCoroutine(e, i, n, r, o, a, !1))
            }
            ,
            t.MergeMeshesAsync = function(e, i, n, r, o, a) {
                return void 0 === i && (i = !0),
                qn(t._MergeMeshesCoroutine(e, i, n, r, o, a, !0), Yn())
            }
            ,
            t._MergeMeshesCoroutine = function(e, i, n, r, o, a, s) {
                var l, c, u, h, d, p, f, _, m, g, v, y, b, T, E, S, A, x, R, C, P, M, I, O, D;
                return void 0 === i && (i = !0),
                z(this, (function(N) {
                    switch (N.label) {
                    case 0:
                        if (0 === (e = e.filter(Boolean)).length)
                            return [2, null];
                        if (!n)
                            for (c = 0,
                            l = 0; l < e.length; l++)
                                if ((c += e[l].getTotalVertices()) >= 65536)
                                    return K.Warn("Cannot merge meshes because resulting mesh will have more than 65536 vertices. Please use allow32BitsIndices = true to use 32 bits indices"),
                                    [2, null];
                        for (a && (o = !1),
                        u = new Array,
                        h = new Array,
                        d = new Array,
                        l = 0; l < e.length; l++) {
                            if ((p = e[l]).isAnInstance)
                                return K.Warn("Cannot merge instance meshes."),
                                [2, null];
                            if (o && d.push(p.getTotalIndices()),
                            a)
                                if (p.material)
                                    if ((f = p.material)instanceof Dr) {
                                        for (_ = 0; _ < f.subMaterials.length; _++)
                                            u.indexOf(f.subMaterials[_]) < 0 && u.push(f.subMaterials[_]);
                                        for (D = 0; D < p.subMeshes.length; D++)
                                            h.push(u.indexOf(f.subMaterials[p.subMeshes[D].materialIndex])),
                                            d.push(p.subMeshes[D].indexCount)
                                    } else
                                        for (u.indexOf(f) < 0 && u.push(f),
                                        D = 0; D < p.subMeshes.length; D++)
                                            h.push(u.indexOf(f)),
                                            d.push(p.subMeshes[D].indexCount);
                                else
                                    for (D = 0; D < p.subMeshes.length; D++)
                                        h.push(0),
                                        d.push(p.subMeshes[D].indexCount)
                        }
                        return m = e[0],
                        g = function(e) {
                            var t = e.computeWorldMatrix(!0);
                            return [$n.ExtractFromMesh(e, !1, !1), t]
                        }
                        ,
                        v = g(m),
                        y = v[0],
                        b = v[1],
                        s ? [4] : [3, 2];
                    case 1:
                        N.sent(),
                        N.label = 2;
                    case 2:
                        T = new Array(e.length - 1),
                        E = 1,
                        N.label = 3;
                    case 3:
                        return E < e.length ? (T[E - 1] = g(e[E]),
                        s ? [4] : [3, 5]) : [3, 6];
                    case 4:
                        N.sent(),
                        N.label = 5;
                    case 5:
                        return E++,
                        [3, 3];
                    case 6:
                        S = y._mergeCoroutine(b, T, n, s, !i),
                        A = S.next(),
                        N.label = 7;
                    case 7:
                        return A.done ? [3, 10] : s ? [4] : [3, 9];
                    case 8:
                        N.sent(),
                        N.label = 9;
                    case 9:
                        return A = S.next(),
                        [3, 7];
                    case 10:
                        x = A.value,
                        r || (r = new t(m.name + "_merged",m.getScene())),
                        R = x._applyToCoroutine(r, void 0, s),
                        C = R.next(),
                        N.label = 11;
                    case 11:
                        return C.done ? [3, 14] : s ? [4] : [3, 13];
                    case 12:
                        N.sent(),
                        N.label = 13;
                    case 13:
                        return C = R.next(),
                        [3, 11];
                    case 14:
                        if (r.checkCollisions = m.checkCollisions,
                        r.overrideMaterialSideOrientation = m.overrideMaterialSideOrientation,
                        i)
                            for (l = 0; l < e.length; l++)
                                e[l].dispose();
                        if (o || a) {
                            for (r.releaseSubMeshes(),
                            l = 0,
                            P = 0; l < d.length; )
                                hr.CreateFromIndices(0, P, d[l], r, void 0, !1),
                                P += d[l],
                                l++;
                            for (M = 0,
                            I = r.subMeshes; M < I.length; M++)
                                I[M].refreshBoundingInfo();
                            r.computeWorldMatrix(!0)
                        }
                        if (a) {
                            for ((O = new Dr(m.name + "_merged",m.getScene())).subMaterials = u,
                            D = 0; D < r.subMeshes.length; D++)
                                r.subMeshes[D].materialIndex = h[D];
                            r.material = O
                        } else
                            r.material = m.material;
                        return [2, r]
                    }
                }
                ))
            }
            ,
            t.prototype.addInstance = function(e) {
                e._indexInSourceMeshInstanceArray = this.instances.length,
                this.instances.push(e)
            }
            ,
            t.prototype.removeInstance = function(e) {
                var t = e._indexInSourceMeshInstanceArray;
                if (-1 != t) {
                    if (t !== this.instances.length - 1) {
                        var i = this.instances[this.instances.length - 1];
                        this.instances[t] = i,
                        i._indexInSourceMeshInstanceArray = t
                    }
                    e._indexInSourceMeshInstanceArray = -1,
                    this.instances.pop()
                }
            }
            ,
            t.prototype._shouldConvertRHS = function() {
                return this.overrideMaterialSideOrientation === Or.CounterClockWiseSideOrientation
            }
            ,
            t.FRONTSIDE = $n.FRONTSIDE,
            t.BACKSIDE = $n.BACKSIDE,
            t.DOUBLESIDE = $n.DOUBLESIDE,
            t.DEFAULTSIDE = $n.DEFAULTSIDE,
            t.NO_CAP = 0,
            t.CAP_START = 1,
            t.CAP_END = 2,
            t.CAP_ALL = 3,
            t.NO_FLIP = 0,
            t.FLIP_TILE = 1,
            t.ROTATE_TILE = 2,
            t.FLIP_ROW = 3,
            t.ROTATE_ROW = 4,
            t.FLIP_N_ROTATE_TILE = 5,
            t.FLIP_N_ROTATE_ROW = 6,
            t.CENTER = 0,
            t.LEFT = 1,
            t.RIGHT = 2,
            t.TOP = 3,
            t.BOTTOM = 4,
            t.INSTANCEDMESH_SORT_TRANSPARENT = !1,
            t._GroundMeshParser = function(e, t) {
                throw be("GroundMesh")
            }
            ,
            t._GoldbergMeshParser = function(e, t) {
                throw be("GoldbergMesh")
            }
            ,
            t._LinesMeshParser = function(e, t) {
                throw be("LinesMesh")
            }
            ,
            t
        }(Sr);
        y("BABYLON.Mesh", Vr),
        Vr.prototype.setMaterialByID = function(e) {
            return this.setMaterialById(e)
        }
        ,
        Vr.CreateDisc = Vr.CreateDisc || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateBox = Vr.CreateBox || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateSphere = Vr.CreateSphere || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateCylinder = Vr.CreateCylinder || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateTorusKnot = Vr.CreateTorusKnot || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateTorus = Vr.CreateTorus || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreatePlane = Vr.CreatePlane || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateGround = Vr.CreateGround || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateTiledGround = Vr.CreateTiledGround || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateGroundFromHeightMap = Vr.CreateGroundFromHeightMap || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateTube = Vr.CreateTube || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreatePolyhedron = Vr.CreatePolyhedron || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateIcoSphere = Vr.CreateIcoSphere || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateDecal = Vr.CreateDecal || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.CreateCapsule = Vr.CreateCapsule || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ,
        Vr.ExtendToGoldberg = Vr.ExtendToGoldberg || function() {
            throw new Error("Import MeshBuilder to populate this function")
        }
        ;
        var kr = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t
        }(o)
          , Gr = function() {
            this.rootNodes = [],
            this.skeletons = [],
            this.animationGroups = []
        }
          , zr = function(e) {
            function t(t) {
                var i = e.call(this) || this;
                return i._wasAddedToScene = !1,
                (t = t || E.LastCreatedScene) ? (i.scene = t,
                i.sounds = [],
                i.effectLayers = [],
                i.layers = [],
                i.lensFlareSystems = [],
                i.proceduralTextures = [],
                i.reflectionProbes = [],
                t.onDisposeObservable.add((function() {
                    i._wasAddedToScene || i.dispose()
                }
                )),
                i._onContextRestoredObserver = t.getEngine().onContextRestoredObservable.add((function() {
                    for (var e = 0, t = i.geometries; e < t.length; e++)
                        t[e]._rebuild();
                    for (var n = 0, r = i.meshes; n < r.length; n++)
                        r[n]._rebuild();
                    for (var o = 0, a = i.particleSystems; o < a.length; o++)
                        a[o].rebuild();
                    for (var s = 0, l = i.textures; s < l.length; s++)
                        l[s]._rebuild()
                }
                )),
                i) : i
            }
            return U(t, e),
            t.prototype.instantiateModelsToScene = function(e, t, i) {
                var n = this;
                void 0 === t && (t = !1);
                var r = {}
                  , o = {}
                  , a = new Gr
                  , s = []
                  , l = [];
                i || (i = {
                    doNotInstantiate: !0
                });
                var c = function(t, i) {
                    if (r[t.uniqueId] = i.uniqueId,
                    o[i.uniqueId] = i,
                    e && (i.name = e(t.name)),
                    i instanceof Vr) {
                        var n = i;
                        if (n.morphTargetManager) {
                            var a = t.morphTargetManager;
                            n.morphTargetManager = a.clone();
                            for (var s = 0; s < a.numTargets; s++) {
                                var l = a.getTarget(s)
                                  , c = n.morphTargetManager.getTarget(s);
                                r[l.uniqueId] = c.uniqueId,
                                o[c.uniqueId] = c
                            }
                        }
                    }
                };
                return this.transformNodes.forEach((function(e) {
                    if (!e.parent) {
                        var t = e.instantiateHierarchy(null, i, (function(e, t) {
                            c(e, t)
                        }
                        ));
                        t && a.rootNodes.push(t)
                    }
                }
                )),
                this.meshes.forEach((function(s) {
                    if (!s.parent) {
                        var u = s.instantiateHierarchy(null, i, (function(i, a) {
                            if (c(i, a),
                            a.material) {
                                var s = a;
                                if (s.material)
                                    if (t) {
                                        var u = i.material;
                                        if (-1 === l.indexOf(u)) {
                                            var h = u.clone(e ? e(u.name) : "Clone of " + u.name);
                                            if (l.push(u),
                                            r[u.uniqueId] = h.uniqueId,
                                            o[h.uniqueId] = h,
                                            "MultiMaterial" === u.getClassName()) {
                                                for (var d = u, p = 0, f = d.subMaterials; p < f.length; p++) {
                                                    var _ = f[p];
                                                    _ && (h = _.clone(e ? e(_.name) : "Clone of " + _.name),
                                                    l.push(_),
                                                    r[_.uniqueId] = h.uniqueId,
                                                    o[h.uniqueId] = h)
                                                }
                                                d.subMaterials = d.subMaterials.map((function(e) {
                                                    return e && o[r[e.uniqueId]]
                                                }
                                                ))
                                            }
                                        }
                                        "InstancedMesh" !== s.getClassName() && (s.material = o[r[u.uniqueId]])
                                    } else
                                        "MultiMaterial" === s.material.getClassName() ? -1 === n.scene.multiMaterials.indexOf(s.material) && n.scene.addMultiMaterial(s.material) : -1 === n.scene.materials.indexOf(s.material) && n.scene.addMaterial(s.material)
                            }
                        }
                        ));
                        u && a.rootNodes.push(u)
                    }
                }
                )),
                this.skeletons.forEach((function(t) {
                    for (var i = t.clone(e ? e(t.name) : "Clone of " + t.name), l = 0, c = n.meshes; l < c.length; l++) {
                        var u = c[l];
                        if (u.skeleton === t && !u.isAnInstance) {
                            var h = o[r[u.uniqueId]];
                            if (h.isAnInstance)
                                continue;
                            if (h.skeleton = i,
                            -1 !== s.indexOf(i))
                                continue;
                            s.push(i);
                            for (var d = 0, p = i.bones; d < p.length; d++) {
                                var f = p[d];
                                f._linkedTransformNode && (f._linkedTransformNode = o[r[f._linkedTransformNode.uniqueId]])
                            }
                        }
                    }
                    a.skeletons.push(i)
                }
                )),
                this.animationGroups.forEach((function(t) {
                    var i = t.clone(e ? e(t.name) : "Clone of " + t.name, (function(e) {
                        return o[r[e.uniqueId]] || e
                    }
                    ));
                    a.animationGroups.push(i)
                }
                )),
                a
            }
            ,
            t.prototype.addAllToScene = function() {
                var e = this;
                if (!this._wasAddedToScene) {
                    this._wasAddedToScene = !0,
                    this.cameras.forEach((function(t) {
                        e.scene.addCamera(t)
                    }
                    )),
                    this.lights.forEach((function(t) {
                        e.scene.addLight(t)
                    }
                    )),
                    this.meshes.forEach((function(t) {
                        e.scene.addMesh(t)
                    }
                    )),
                    this.skeletons.forEach((function(t) {
                        e.scene.addSkeleton(t)
                    }
                    )),
                    this.animations.forEach((function(t) {
                        e.scene.addAnimation(t)
                    }
                    )),
                    this.animationGroups.forEach((function(t) {
                        e.scene.addAnimationGroup(t)
                    }
                    )),
                    this.multiMaterials.forEach((function(t) {
                        e.scene.addMultiMaterial(t)
                    }
                    )),
                    this.materials.forEach((function(t) {
                        e.scene.addMaterial(t)
                    }
                    )),
                    this.morphTargetManagers.forEach((function(t) {
                        e.scene.addMorphTargetManager(t)
                    }
                    )),
                    this.geometries.forEach((function(t) {
                        e.scene.addGeometry(t)
                    }
                    )),
                    this.transformNodes.forEach((function(t) {
                        e.scene.addTransformNode(t)
                    }
                    )),
                    this.actionManagers.forEach((function(t) {
                        e.scene.addActionManager(t)
                    }
                    )),
                    this.textures.forEach((function(t) {
                        e.scene.addTexture(t)
                    }
                    )),
                    this.reflectionProbes.forEach((function(t) {
                        e.scene.addReflectionProbe(t)
                    }
                    )),
                    this.environmentTexture && (this.scene.environmentTexture = this.environmentTexture);
                    for (var t = 0, i = this.scene._serializableComponents; t < i.length; t++)
                        i[t].addFromContainer(this);
                    this.scene.getEngine().onContextRestoredObservable.remove(this._onContextRestoredObserver),
                    this._onContextRestoredObserver = null
                }
            }
            ,
            t.prototype.removeAllFromScene = function() {
                var e = this;
                this._wasAddedToScene = !1,
                this.cameras.forEach((function(t) {
                    e.scene.removeCamera(t)
                }
                )),
                this.lights.forEach((function(t) {
                    e.scene.removeLight(t)
                }
                )),
                this.meshes.forEach((function(t) {
                    e.scene.removeMesh(t)
                }
                )),
                this.skeletons.forEach((function(t) {
                    e.scene.removeSkeleton(t)
                }
                )),
                this.animations.forEach((function(t) {
                    e.scene.removeAnimation(t)
                }
                )),
                this.animationGroups.forEach((function(t) {
                    e.scene.removeAnimationGroup(t)
                }
                )),
                this.multiMaterials.forEach((function(t) {
                    e.scene.removeMultiMaterial(t)
                }
                )),
                this.materials.forEach((function(t) {
                    e.scene.removeMaterial(t)
                }
                )),
                this.morphTargetManagers.forEach((function(t) {
                    e.scene.removeMorphTargetManager(t)
                }
                )),
                this.geometries.forEach((function(t) {
                    e.scene.removeGeometry(t)
                }
                )),
                this.transformNodes.forEach((function(t) {
                    e.scene.removeTransformNode(t)
                }
                )),
                this.actionManagers.forEach((function(t) {
                    e.scene.removeActionManager(t)
                }
                )),
                this.textures.forEach((function(t) {
                    e.scene.removeTexture(t)
                }
                )),
                this.reflectionProbes.forEach((function(t) {
                    e.scene.removeReflectionProbe(t)
                }
                )),
                this.environmentTexture === this.scene.environmentTexture && (this.scene.environmentTexture = null);
                for (var t = 0, i = this.scene._serializableComponents; t < i.length; t++)
                    i[t].removeFromContainer(this)
            }
            ,
            t.prototype.dispose = function() {
                this.cameras.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.cameras = [],
                this.lights.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.lights = [],
                this.meshes.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.meshes = [],
                this.skeletons.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.skeletons = [],
                this.animationGroups.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.animationGroups = [],
                this.multiMaterials.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.multiMaterials = [],
                this.materials.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.materials = [],
                this.geometries.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.geometries = [],
                this.transformNodes.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.transformNodes = [],
                this.actionManagers.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.actionManagers = [],
                this.textures.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.textures = [],
                this.reflectionProbes.slice(0).forEach((function(e) {
                    e.dispose()
                }
                )),
                this.reflectionProbes = [],
                this.environmentTexture && (this.environmentTexture.dispose(),
                this.environmentTexture = null);
                for (var e = 0, t = this.scene._serializableComponents; e < t.length; e++)
                    t[e].removeFromContainer(this, !0);
                this._onContextRestoredObserver && (this.scene.getEngine().onContextRestoredObservable.remove(this._onContextRestoredObserver),
                this._onContextRestoredObserver = null)
            }
            ,
            t.prototype._moveAssets = function(e, t, i) {
                if (e)
                    for (var n = 0, r = e; n < r.length; n++) {
                        var o = r[n]
                          , a = !0;
                        if (i)
                            for (var s = 0, l = i; s < l.length; s++)
                                if (o === l[s]) {
                                    a = !1;
                                    break
                                }
                        a && (t.push(o),
                        o._parentContainer = this)
                    }
            }
            ,
            t.prototype.moveAllFromScene = function(e) {
                for (var t in this._wasAddedToScene = !1,
                void 0 === e && (e = new kr),
                this)
                    Object.prototype.hasOwnProperty.call(this, t) && (this[t] = this[t] || ("environmentTexture" === t ? null : []),
                    this._moveAssets(this.scene[t], this[t], e[t]));
                this.environmentTexture = this.scene.environmentTexture,
                this.removeAllFromScene()
            }
            ,
            t.prototype.createRootMesh = function() {
                var e = new Vr("assetContainerRootMesh",this.scene);
                return this.meshes.forEach((function(t) {
                    t.parent || e.addChild(t)
                }
                )),
                this.meshes.unshift(e),
                e
            }
            ,
            t.prototype.mergeAnimationsTo = function(e, t, i) {
                if (void 0 === e && (e = E.LastCreatedScene),
                void 0 === i && (i = null),
                !e)
                    return K.Error("No scene available to merge animations to"),
                    [];
                var n = i || function(t) {
                    var i = null
                      , n = t.animations.length ? t.animations[0].targetProperty : ""
                      , r = t.name.split(".").join("").split("_primitive")[0];
                    switch (n) {
                    case "position":
                    case "rotationQuaternion":
                        i = e.getTransformNodeByName(t.name) || e.getTransformNodeByName(r);
                        break;
                    case "influence":
                        i = e.getMorphTargetByName(t.name) || e.getMorphTargetByName(r);
                        break;
                    default:
                        i = e.getNodeByName(t.name) || e.getNodeByName(r)
                    }
                    return i
                }
                ;
                this.getNodes().forEach((function(e) {
                    var t = n(e);
                    if (null !== t) {
                        for (var i = function(e) {
                            for (var i = 0, n = t.animations.filter((function(t) {
                                return t.targetProperty === e.targetProperty
                            }
                            )); i < n.length; i++) {
                                var r = n[i]
                                  , o = t.animations.indexOf(r, 0);
                                o > -1 && t.animations.splice(o, 1)
                            }
                        }, r = 0, o = e.animations; r < o.length; r++)
                            i(o[r]);
                        t.animations = t.animations.concat(e.animations)
                    }
                }
                ));
                var r = new Array;
                return this.animationGroups.slice().forEach((function(e) {
                    r.push(e.clone(e.name, n)),
                    e.animatables.forEach((function(e) {
                        e.stop()
                    }
                    ))
                }
                )),
                t.forEach((function(t) {
                    var i = n(t.target);
                    i && (e.beginAnimation(i, t.fromFrame, t.toFrame, t.loopAnimation, t.speedRatio, t.onAnimationEnd ? t.onAnimationEnd : void 0, void 0, !0, void 0, t.onAnimationLoop ? t.onAnimationLoop : void 0),
                    e.stopAnimation(t.target))
                }
                )),
                r
            }
            ,
            t
        }(o)
          , Wr = function() {
            function e(e) {
                this.SMOOTHING = .75,
                this.FFT_SIZE = 512,
                this.BARGRAPHAMPLITUDE = 256,
                this.DEBUGCANVASPOS = {
                    x: 20,
                    y: 20
                },
                this.DEBUGCANVASSIZE = {
                    width: 320,
                    height: 200
                },
                (e = e || E.LastCreatedScene) && (this._scene = e,
                vr.audioEngine ? (this._audioEngine = vr.audioEngine,
                this._audioEngine.canUseWebAudio && this._audioEngine.audioContext && (this._webAudioAnalyser = this._audioEngine.audioContext.createAnalyser(),
                this._webAudioAnalyser.minDecibels = -140,
                this._webAudioAnalyser.maxDecibels = 0,
                this._byteFreqs = new Uint8Array(this._webAudioAnalyser.frequencyBinCount),
                this._byteTime = new Uint8Array(this._webAudioAnalyser.frequencyBinCount),
                this._floatFreqs = new Float32Array(this._webAudioAnalyser.frequencyBinCount))) : gi.Warn("No audio engine initialized, failed to create an audio analyser"))
            }
            return e.prototype.getFrequencyBinCount = function() {
                return this._audioEngine.canUseWebAudio ? this._webAudioAnalyser.frequencyBinCount : 0
            }
            ,
            e.prototype.getByteFrequencyData = function() {
                return this._audioEngine.canUseWebAudio && (this._webAudioAnalyser.smoothingTimeConstant = this.SMOOTHING,
                this._webAudioAnalyser.fftSize = this.FFT_SIZE,
                this._webAudioAnalyser.getByteFrequencyData(this._byteFreqs)),
                this._byteFreqs
            }
            ,
            e.prototype.getByteTimeDomainData = function() {
                return this._audioEngine.canUseWebAudio && (this._webAudioAnalyser.smoothingTimeConstant = this.SMOOTHING,
                this._webAudioAnalyser.fftSize = this.FFT_SIZE,
                this._webAudioAnalyser.getByteTimeDomainData(this._byteTime)),
                this._byteTime
            }
            ,
            e.prototype.getFloatFrequencyData = function() {
                return this._audioEngine.canUseWebAudio && (this._webAudioAnalyser.smoothingTimeConstant = this.SMOOTHING,
                this._webAudioAnalyser.fftSize = this.FFT_SIZE,
                this._webAudioAnalyser.getFloatFrequencyData(this._floatFreqs)),
                this._floatFreqs
            }
            ,
            e.prototype.drawDebugCanvas = function() {
                var e = this;
                if (this._audioEngine.canUseWebAudio && (this._debugCanvas || (this._debugCanvas = document.createElement("canvas"),
                this._debugCanvas.width = this.DEBUGCANVASSIZE.width,
                this._debugCanvas.height = this.DEBUGCANVASSIZE.height,
                this._debugCanvas.style.position = "absolute",
                this._debugCanvas.style.top = this.DEBUGCANVASPOS.y + "px",
                this._debugCanvas.style.left = this.DEBUGCANVASPOS.x + "px",
                this._debugCanvasContext = this._debugCanvas.getContext("2d"),
                document.body.appendChild(this._debugCanvas),
                this._registerFunc = function() {
                    e.drawDebugCanvas()
                }
                ,
                this._scene.registerBeforeRender(this._registerFunc)),
                this._registerFunc && this._debugCanvasContext)) {
                    var t = this.getByteFrequencyData();
                    this._debugCanvasContext.fillStyle = "rgb(0, 0, 0)",
                    this._debugCanvasContext.fillRect(0, 0, this.DEBUGCANVASSIZE.width, this.DEBUGCANVASSIZE.height);
                    for (var i = 0; i < this.getFrequencyBinCount(); i++) {
                        var n = t[i] / this.BARGRAPHAMPLITUDE
                          , r = this.DEBUGCANVASSIZE.height * n
                          , o = this.DEBUGCANVASSIZE.height - r - 1
                          , a = this.DEBUGCANVASSIZE.width / this.getFrequencyBinCount()
                          , s = i / this.getFrequencyBinCount() * 360;
                        this._debugCanvasContext.fillStyle = "hsl(" + s + ", 100%, 50%)",
                        this._debugCanvasContext.fillRect(i * a, o, a, r)
                    }
                }
            }
            ,
            e.prototype.stopDebugCanvas = function() {
                this._debugCanvas && (this._registerFunc && (this._scene.unregisterBeforeRender(this._registerFunc),
                this._registerFunc = null),
                document.body.removeChild(this._debugCanvas),
                this._debugCanvas = null,
                this._debugCanvasContext = null)
            }
            ,
            e.prototype.connectAudioNodes = function(e, t) {
                this._audioEngine.canUseWebAudio && (e.connect(this._webAudioAnalyser),
                this._webAudioAnalyser.connect(t))
            }
            ,
            e.prototype.dispose = function() {
                this._audioEngine.canUseWebAudio && this._webAudioAnalyser.disconnect()
            }
            ,
            e
        }();
        vr.AudioEngineFactory = function(e, t, i) {
            return new Hr(e,t,i)
        }
        ;
        var Hr = function() {
            function e(e, t, i) {
                void 0 === e && (e = null),
                void 0 === t && (t = null),
                void 0 === i && (i = null);
                var n = this;
                if (this._audioContext = null,
                this._audioContextInitialized = !1,
                this._muteButton = null,
                this._audioDestination = null,
                this.canUseWebAudio = !1,
                this.WarnedWebAudioUnsupported = !1,
                this.isMP3supported = !1,
                this.isOGGsupported = !1,
                this.unlocked = !0,
                this.useCustomUnlockedButton = !1,
                this.onAudioUnlockedObservable = new h,
                this.onAudioLockedObservable = new h,
                this._tryToRun = !1,
                this._onResize = function() {
                    n._moveButtonToTopLeft()
                }
                ,
                nt()) {
                    void 0 === window.AudioContext && void 0 === window.webkitAudioContext || (window.AudioContext = window.AudioContext || window.webkitAudioContext,
                    this.canUseWebAudio = !0);
                    var r = document.createElement("audio");
                    this._hostElement = e,
                    this._audioContext = t,
                    this._audioDestination = i;
                    try {
                        r && r.canPlayType && (r.canPlayType('audio/mpeg; codecs="mp3"').replace(/^no$/, "") || r.canPlayType("audio/mp3").replace(/^no$/, "")) && (this.isMP3supported = !0)
                    } catch (e) {}
                    try {
                        r && r.canPlayType && r.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/, "") && (this.isOGGsupported = !0)
                    } catch (e) {}
                }
            }
            return Object.defineProperty(e.prototype, "audioContext", {
                get: function() {
                    return this._audioContextInitialized ? this.unlocked || this._muteButton || this._displayMuteButton() : this._initializeAudioContext(),
                    this._audioContext
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.lock = function() {
                this._triggerSuspendedState()
            }
            ,
            e.prototype.unlock = function() {
                this._triggerRunningState()
            }
            ,
            e.prototype._resumeAudioContext = function() {
                var e;
                return void 0 !== this._audioContext.resume && (e = this._audioContext.resume()),
                e || Promise.resolve()
            }
            ,
            e.prototype._initializeAudioContext = function() {
                try {
                    this.canUseWebAudio && (this._audioContext || (this._audioContext = new AudioContext),
                    this.masterGain = this._audioContext.createGain(),
                    this.masterGain.gain.value = 1,
                    this._audioDestination || (this._audioDestination = this._audioContext.destination),
                    this.masterGain.connect(this._audioDestination),
                    this._audioContextInitialized = !0,
                    "running" === this._audioContext.state && this._triggerRunningState())
                } catch (e) {
                    this.canUseWebAudio = !1,
                    K.Error("Web Audio: " + e.message)
                }
            }
            ,
            e.prototype._triggerRunningState = function() {
                var e = this;
                this._tryToRun || (this._tryToRun = !0,
                this._resumeAudioContext().then((function() {
                    e._tryToRun = !1,
                    e._muteButton && e._hideMuteButton(),
                    e.unlocked = !0,
                    e.onAudioUnlockedObservable.notifyObservers(e)
                }
                )).catch((function() {
                    e._tryToRun = !1,
                    e.unlocked = !1
                }
                )))
            }
            ,
            e.prototype._triggerSuspendedState = function() {
                this.unlocked = !1,
                this.onAudioLockedObservable.notifyObservers(this),
                this._displayMuteButton()
            }
            ,
            e.prototype._displayMuteButton = function() {
                var e = this;
                if (!this.useCustomUnlockedButton && !this._muteButton) {
                    this._muteButton = document.createElement("BUTTON"),
                    this._muteButton.className = "babylonUnmuteIcon",
                    this._muteButton.id = "babylonUnmuteIconBtn",
                    this._muteButton.title = "Unmute";
                    var t = ".babylonUnmuteIcon { position: absolute; left: 20px; top: 20px; height: 40px; width: 60px; background-color: rgba(51,51,51,0.7); background-image: url(" + (window.SVGSVGElement ? "data:image/svg+xml;charset=UTF-8,%3Csvg%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2239%22%20height%3D%2232%22%20viewBox%3D%220%200%2039%2032%22%3E%3Cpath%20fill%3D%22white%22%20d%3D%22M9.625%2018.938l-0.031%200.016h-4.953q-0.016%200-0.031-0.016v-12.453q0-0.016%200.031-0.016h4.953q0.031%200%200.031%200.016v12.453zM12.125%207.688l8.719-8.703v27.453l-8.719-8.719-0.016-0.047v-9.938zM23.359%207.875l1.406-1.406%204.219%204.203%204.203-4.203%201.422%201.406-4.219%204.219%204.219%204.203-1.484%201.359-4.141-4.156-4.219%204.219-1.406-1.422%204.219-4.203z%22%3E%3C%2Fpath%3E%3C%2Fsvg%3E" : "https://cdn.babylonjs.com/Assets/audio.png") + ");  background-size: 80%; background-repeat:no-repeat; background-position: center; background-position-y: 4px; border: none; outline: none; transition: transform 0.125s ease-out; cursor: pointer; z-index: 9999; } .babylonUnmuteIcon:hover { transform: scale(1.05) } .babylonUnmuteIcon:active { background-color: rgba(51,51,51,1) }"
                      , i = document.createElement("style");
                    i.appendChild(document.createTextNode(t)),
                    document.getElementsByTagName("head")[0].appendChild(i),
                    document.body.appendChild(this._muteButton),
                    this._moveButtonToTopLeft(),
                    this._muteButton.addEventListener("touchend", (function() {
                        e._triggerRunningState()
                    }
                    ), !0),
                    this._muteButton.addEventListener("click", (function() {
                        e._triggerRunningState()
                    }
                    ), !0),
                    window.addEventListener("resize", this._onResize)
                }
            }
            ,
            e.prototype._moveButtonToTopLeft = function() {
                this._hostElement && this._muteButton && (this._muteButton.style.top = this._hostElement.offsetTop + 20 + "px",
                this._muteButton.style.left = this._hostElement.offsetLeft + 20 + "px")
            }
            ,
            e.prototype._hideMuteButton = function() {
                this._muteButton && (document.body.removeChild(this._muteButton),
                this._muteButton = null)
            }
            ,
            e.prototype.dispose = function() {
                this.canUseWebAudio && this._audioContextInitialized && (this._connectedAnalyser && this._audioContext && (this._connectedAnalyser.stopDebugCanvas(),
                this._connectedAnalyser.dispose(),
                this.masterGain.disconnect(),
                this.masterGain.connect(this._audioContext.destination),
                this._connectedAnalyser = null),
                this.masterGain.gain.value = 1),
                this.WarnedWebAudioUnsupported = !1,
                this._hideMuteButton(),
                window.removeEventListener("resize", this._onResize),
                this.onAudioUnlockedObservable.clear(),
                this.onAudioLockedObservable.clear()
            }
            ,
            e.prototype.getGlobalVolume = function() {
                return this.canUseWebAudio && this._audioContextInitialized ? this.masterGain.gain.value : -1
            }
            ,
            e.prototype.setGlobalVolume = function(e) {
                this.canUseWebAudio && this._audioContextInitialized && (this.masterGain.gain.value = e)
            }
            ,
            e.prototype.connectToAnalyser = function(e) {
                this._connectedAnalyser && this._connectedAnalyser.stopDebugCanvas(),
                this.canUseWebAudio && this._audioContextInitialized && this._audioContext && (this._connectedAnalyser = e,
                this.masterGain.disconnect(),
                this._connectedAnalyser.connectAudioNodes(this.masterGain, this._audioContext.destination))
            }
            ,
            e
        }()
          , Xr = function() {
            function e(t, i, n, r, o) {
                void 0 === r && (r = null);
                var a, s, l, c, u, d = this;
                if (this.autoplay = !1,
                this._loop = !1,
                this.useCustomAttenuation = !1,
                this.isPlaying = !1,
                this.isPaused = !1,
                this.refDistance = 1,
                this.rolloffFactor = 1,
                this.maxDistance = 100,
                this.distanceModel = "linear",
                this.metadata = null,
                this.onEndedObservable = new h,
                this._spatialSound = !1,
                this._panningModel = "equalpower",
                this._playbackRate = 1,
                this._streaming = !1,
                this._startTime = 0,
                this._startOffset = 0,
                this._position = x.Zero(),
                this._localDirection = new x(1,0,0),
                this._volume = 1,
                this._isReadyToPlay = !1,
                this._isDirectional = !1,
                this._coneInnerAngle = 360,
                this._coneOuterAngle = 360,
                this._coneOuterGain = 0,
                this._isOutputConnected = !1,
                this._urlType = "Unknown",
                this.name = t,
                n = n || E.LastCreatedScene)
                    if (this._scene = n,
                    e._SceneComponentInitialization(n),
                    this._readyToPlayCallback = r,
                    this._customAttenuationFunction = function(e, t, i, n, r) {
                        return t < i ? e * (1 - t / i) : 0
                    }
                    ,
                    o && (this.autoplay = o.autoplay || !1,
                    this._loop = o.loop || !1,
                    void 0 !== o.volume && (this._volume = o.volume),
                    this._spatialSound = null !== (a = o.spatialSound) && void 0 !== a && a,
                    this.maxDistance = null !== (s = o.maxDistance) && void 0 !== s ? s : 100,
                    this.useCustomAttenuation = null !== (l = o.useCustomAttenuation) && void 0 !== l && l,
                    this.rolloffFactor = o.rolloffFactor || 1,
                    this.refDistance = o.refDistance || 1,
                    this.distanceModel = o.distanceModel || "linear",
                    this._playbackRate = o.playbackRate || 1,
                    this._streaming = null !== (c = o.streaming) && void 0 !== c && c,
                    this._length = o.length,
                    this._offset = o.offset),
                    (null === (u = vr.audioEngine) || void 0 === u ? void 0 : u.canUseWebAudio) && vr.audioEngine.audioContext) {
                        this._soundGain = vr.audioEngine.audioContext.createGain(),
                        this._soundGain.gain.value = this._volume,
                        this._inputAudioNode = this._soundGain,
                        this._outputAudioNode = this._soundGain,
                        this._spatialSound && this._createSpatialParameters(),
                        this._scene.mainSoundTrack.addSound(this);
                        var p = !0;
                        if (i)
                            try {
                                "string" == typeof i ? this._urlType = "String" : i instanceof ArrayBuffer ? this._urlType = "ArrayBuffer" : i instanceof HTMLMediaElement ? this._urlType = "MediaElement" : i instanceof MediaStream ? this._urlType = "MediaStream" : Array.isArray(i) && (this._urlType = "Array");
                                var f = []
                                  , _ = !1;
                                switch (this._urlType) {
                                case "MediaElement":
                                    this._streaming = !0,
                                    this._isReadyToPlay = !0,
                                    this._streamingSource = vr.audioEngine.audioContext.createMediaElementSource(i),
                                    this.autoplay && this.play(0, this._offset, this._length),
                                    this._readyToPlayCallback && this._readyToPlayCallback();
                                    break;
                                case "MediaStream":
                                    this._streaming = !0,
                                    this._isReadyToPlay = !0,
                                    this._streamingSource = vr.audioEngine.audioContext.createMediaStreamSource(i),
                                    this.autoplay && this.play(0, this._offset, this._length),
                                    this._readyToPlayCallback && this._readyToPlayCallback();
                                    break;
                                case "ArrayBuffer":
                                    i.byteLength > 0 && (_ = !0,
                                    this._soundLoaded(i));
                                    break;
                                case "String":
                                    f.push(i);
                                case "Array":
                                    0 === f.length && (f = i);
                                    for (var m = function(e) {
                                        var t = f[e];
                                        if (_ = o && o.skipCodecCheck || -1 !== t.indexOf(".mp3", t.length - 4) && vr.audioEngine.isMP3supported || -1 !== t.indexOf(".ogg", t.length - 4) && vr.audioEngine.isOGGsupported || -1 !== t.indexOf(".wav", t.length - 4) || -1 !== t.indexOf(".m4a", t.length - 4) || -1 !== t.indexOf(".mp4", t.length - 4) || -1 !== t.indexOf("blob:"))
                                            return g._streaming ? (g._htmlAudioElement = new Audio(t),
                                            g._htmlAudioElement.controls = !1,
                                            g._htmlAudioElement.loop = g.loop,
                                            gi.SetCorsBehavior(t, g._htmlAudioElement),
                                            g._htmlAudioElement.preload = "auto",
                                            g._htmlAudioElement.addEventListener("canplaythrough", (function() {
                                                d._isReadyToPlay = !0,
                                                d.autoplay && d.play(0, d._offset, d._length),
                                                d._readyToPlayCallback && d._readyToPlayCallback()
                                            }
                                            )),
                                            document.body.appendChild(g._htmlAudioElement),
                                            g._htmlAudioElement.load()) : g._scene._loadFile(t, (function(e) {
                                                d._soundLoaded(e)
                                            }
                                            ), void 0, !0, !0, (function(e) {
                                                e && K.Error("XHR " + e.status + " error on: " + t + "."),
                                                K.Error("Sound creation aborted."),
                                                d._scene.mainSoundTrack.removeSound(d)
                                            }
                                            )),
                                            "break"
                                    }, g = this, v = 0; v < f.length && "break" !== m(v); v++)
                                        ;
                                    break;
                                default:
                                    p = !1
                                }
                                p ? _ || (this._isReadyToPlay = !0,
                                this._readyToPlayCallback && window.setTimeout((function() {
                                    d._readyToPlayCallback && d._readyToPlayCallback()
                                }
                                ), 1e3)) : K.Error("Parameter must be a URL to the sound, an Array of URLs (.mp3 & .ogg) or an ArrayBuffer of the sound.")
                            } catch (e) {
                                K.Error("Unexpected error. Sound creation aborted."),
                                this._scene.mainSoundTrack.removeSound(this)
                            }
                    } else
                        this._scene.mainSoundTrack.addSound(this),
                        vr.audioEngine && !vr.audioEngine.WarnedWebAudioUnsupported && (K.Error("Web Audio is not supported by your browser."),
                        vr.audioEngine.WarnedWebAudioUnsupported = !0),
                        this._readyToPlayCallback && window.setTimeout((function() {
                            d._readyToPlayCallback && d._readyToPlayCallback()
                        }
                        ), 1e3)
            }
            return Object.defineProperty(e.prototype, "loop", {
                get: function() {
                    return this._loop
                },
                set: function(e) {
                    e !== this._loop && (this._loop = e,
                    this.updateOptions({
                        loop: e
                    }))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentTime", {
                get: function() {
                    var e;
                    if (this._htmlAudioElement)
                        return this._htmlAudioElement.currentTime;
                    var t = this._startOffset;
                    return this.isPlaying && (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.audioContext) && (t += vr.audioEngine.audioContext.currentTime - this._startTime),
                    t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "spatialSound", {
                get: function() {
                    return this._spatialSound
                },
                set: function(e) {
                    var t;
                    this._spatialSound = e,
                    this._spatialSound && (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && vr.audioEngine.audioContext && this._createSpatialParameters()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                var e;
                (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio) && (this.isPlaying && this.stop(),
                this._isReadyToPlay = !1,
                -1 === this.soundTrackId ? this._scene.mainSoundTrack.removeSound(this) : this._scene.soundTracks && this._scene.soundTracks[this.soundTrackId].removeSound(this),
                this._soundGain && (this._soundGain.disconnect(),
                this._soundGain = null),
                this._soundPanner && (this._soundPanner.disconnect(),
                this._soundPanner = null),
                this._soundSource && (this._soundSource.disconnect(),
                this._soundSource = null),
                this._audioBuffer = null,
                this._htmlAudioElement && (this._htmlAudioElement.pause(),
                this._htmlAudioElement.src = "",
                document.body.removeChild(this._htmlAudioElement)),
                this._streamingSource && this._streamingSource.disconnect(),
                this._connectedTransformNode && this._registerFunc && (this._connectedTransformNode.unregisterAfterWorldMatrixUpdate(this._registerFunc),
                this._connectedTransformNode = null))
            }
            ,
            e.prototype.isReady = function() {
                return this._isReadyToPlay
            }
            ,
            e.prototype.getClassName = function() {
                return "Sound"
            }
            ,
            e.prototype._soundLoaded = function(e) {
                var t, i = this;
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.audioContext) && vr.audioEngine.audioContext.decodeAudioData(e, (function(e) {
                    i._audioBuffer = e,
                    i._isReadyToPlay = !0,
                    i.autoplay && i.play(0, i._offset, i._length),
                    i._readyToPlayCallback && i._readyToPlayCallback()
                }
                ), (function(e) {
                    K.Error("Error while decoding audio data for: " + i.name + " / Error: " + e)
                }
                ))
            }
            ,
            e.prototype.setAudioBuffer = function(e) {
                var t;
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && (this._audioBuffer = e,
                this._isReadyToPlay = !0)
            }
            ,
            e.prototype.updateOptions = function(e) {
                var t, i, n, r, o, a, s, l, c, u;
                e && (this.loop = null !== (t = e.loop) && void 0 !== t ? t : this.loop,
                this.maxDistance = null !== (i = e.maxDistance) && void 0 !== i ? i : this.maxDistance,
                this.useCustomAttenuation = null !== (n = e.useCustomAttenuation) && void 0 !== n ? n : this.useCustomAttenuation,
                this.rolloffFactor = null !== (r = e.rolloffFactor) && void 0 !== r ? r : this.rolloffFactor,
                this.refDistance = null !== (o = e.refDistance) && void 0 !== o ? o : this.refDistance,
                this.distanceModel = null !== (a = e.distanceModel) && void 0 !== a ? a : this.distanceModel,
                this._playbackRate = null !== (s = e.playbackRate) && void 0 !== s ? s : this._playbackRate,
                this._length = null !== (l = e.length) && void 0 !== l ? l : void 0,
                this._offset = null !== (c = e.offset) && void 0 !== c ? c : void 0,
                this.setVolume(null !== (u = e.volume) && void 0 !== u ? u : this._volume),
                this._updateSpatialParameters(),
                this.isPlaying && (this._streaming && this._htmlAudioElement ? (this._htmlAudioElement.playbackRate = this._playbackRate,
                this._htmlAudioElement.loop !== this.loop && (this._htmlAudioElement.loop = this.loop)) : this._soundSource && (this._soundSource.playbackRate.value = this._playbackRate,
                this._soundSource.loop !== this.loop && (this._soundSource.loop = this.loop),
                void 0 !== this._offset && this._soundSource.loopStart !== this._offset && (this._soundSource.loopStart = this._offset),
                void 0 !== this._length && this._length !== this._soundSource.loopEnd && (this._soundSource.loopEnd = (0 | this._offset) + this._length))))
            }
            ,
            e.prototype._createSpatialParameters = function() {
                var e, t;
                (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio) && vr.audioEngine.audioContext && (this._scene.headphone && (this._panningModel = "HRTF"),
                this._soundPanner = null !== (t = this._soundPanner) && void 0 !== t ? t : vr.audioEngine.audioContext.createPanner(),
                this._soundPanner && this._outputAudioNode && (this._updateSpatialParameters(),
                this._soundPanner.connect(this._outputAudioNode),
                this._inputAudioNode = this._soundPanner))
            }
            ,
            e.prototype._updateSpatialParameters = function() {
                this._spatialSound && this._soundPanner && (this.useCustomAttenuation ? (this._soundPanner.distanceModel = "linear",
                this._soundPanner.maxDistance = Number.MAX_VALUE,
                this._soundPanner.refDistance = 1,
                this._soundPanner.rolloffFactor = 1,
                this._soundPanner.panningModel = this._panningModel) : (this._soundPanner.distanceModel = this.distanceModel,
                this._soundPanner.maxDistance = this.maxDistance,
                this._soundPanner.refDistance = this.refDistance,
                this._soundPanner.rolloffFactor = this.rolloffFactor,
                this._soundPanner.panningModel = this._panningModel))
            }
            ,
            e.prototype.switchPanningModelToHRTF = function() {
                this._panningModel = "HRTF",
                this._switchPanningModel()
            }
            ,
            e.prototype.switchPanningModelToEqualPower = function() {
                this._panningModel = "equalpower",
                this._switchPanningModel()
            }
            ,
            e.prototype._switchPanningModel = function() {
                var e;
                (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio) && this._spatialSound && this._soundPanner && (this._soundPanner.panningModel = this._panningModel)
            }
            ,
            e.prototype.connectToSoundTrackAudioNode = function(e) {
                var t;
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._outputAudioNode && (this._isOutputConnected && this._outputAudioNode.disconnect(),
                this._outputAudioNode.connect(e),
                this._isOutputConnected = !0)
            }
            ,
            e.prototype.setDirectionalCone = function(e, t, i) {
                t < e ? K.Error("setDirectionalCone(): outer angle of the cone must be superior or equal to the inner angle.") : (this._coneInnerAngle = e,
                this._coneOuterAngle = t,
                this._coneOuterGain = i,
                this._isDirectional = !0,
                this.isPlaying && this.loop && (this.stop(),
                this.play(0, this._offset, this._length)))
            }
            ,
            Object.defineProperty(e.prototype, "directionalConeInnerAngle", {
                get: function() {
                    return this._coneInnerAngle
                },
                set: function(e) {
                    var t;
                    if (e != this._coneInnerAngle) {
                        if (this._coneOuterAngle < e)
                            return void K.Error("directionalConeInnerAngle: outer angle of the cone must be superior or equal to the inner angle.");
                        this._coneInnerAngle = e,
                        (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._spatialSound && this._soundPanner && (this._soundPanner.coneInnerAngle = this._coneInnerAngle)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "directionalConeOuterAngle", {
                get: function() {
                    return this._coneOuterAngle
                },
                set: function(e) {
                    var t;
                    if (e != this._coneOuterAngle) {
                        if (e < this._coneInnerAngle)
                            return void K.Error("directionalConeOuterAngle: outer angle of the cone must be superior or equal to the inner angle.");
                        this._coneOuterAngle = e,
                        (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._spatialSound && this._soundPanner && (this._soundPanner.coneOuterAngle = this._coneOuterAngle)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setPosition = function(e) {
                var t;
                e.equals(this._position) || (this._position.copyFrom(e),
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._spatialSound && this._soundPanner && !isNaN(this._position.x) && !isNaN(this._position.y) && !isNaN(this._position.z) && (this._soundPanner.positionX.value = this._position.x,
                this._soundPanner.positionY.value = this._position.y,
                this._soundPanner.positionZ.value = this._position.z))
            }
            ,
            e.prototype.setLocalDirectionToMesh = function(e) {
                var t;
                this._localDirection = e,
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._connectedTransformNode && this.isPlaying && this._updateDirection()
            }
            ,
            e.prototype._updateDirection = function() {
                if (this._connectedTransformNode && this._soundPanner) {
                    var e = this._connectedTransformNode.getWorldMatrix()
                      , t = x.TransformNormal(this._localDirection, e);
                    t.normalize(),
                    this._soundPanner.orientationX.value = t.x,
                    this._soundPanner.orientationY.value = t.y,
                    this._soundPanner.orientationZ.value = t.z
                }
            }
            ,
            e.prototype.updateDistanceFromListener = function() {
                var e;
                if ((null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio) && this._connectedTransformNode && this.useCustomAttenuation && this._soundGain && this._scene.activeCamera) {
                    var t = this._connectedTransformNode.getDistanceToCamera(this._scene.activeCamera);
                    this._soundGain.gain.value = this._customAttenuationFunction(this._volume, t, this.maxDistance, this.refDistance, this.rolloffFactor)
                }
            }
            ,
            e.prototype.setAttenuationFunction = function(e) {
                this._customAttenuationFunction = e
            }
            ,
            e.prototype.play = function(e, t, i) {
                var n, r, o, a, s = this;
                if (this._isReadyToPlay && this._scene.audioEnabled && (null === (n = vr.audioEngine) || void 0 === n ? void 0 : n.audioContext))
                    try {
                        this._startOffset < 0 && (e = -this._startOffset,
                        this._startOffset = 0);
                        var l = e ? (null === (r = vr.audioEngine) || void 0 === r ? void 0 : r.audioContext.currentTime) + e : null === (o = vr.audioEngine) || void 0 === o ? void 0 : o.audioContext.currentTime;
                        if (this._soundSource && this._streamingSource || this._spatialSound && this._soundPanner && (isNaN(this._position.x) || isNaN(this._position.y) || isNaN(this._position.z) || (this._soundPanner.positionX.value = this._position.x,
                        this._soundPanner.positionY.value = this._position.y,
                        this._soundPanner.positionZ.value = this._position.z),
                        this._isDirectional && (this._soundPanner.coneInnerAngle = this._coneInnerAngle,
                        this._soundPanner.coneOuterAngle = this._coneOuterAngle,
                        this._soundPanner.coneOuterGain = this._coneOuterGain,
                        this._connectedTransformNode ? this._updateDirection() : this._soundPanner.setOrientation(this._localDirection.x, this._localDirection.y, this._localDirection.z))),
                        this._streaming) {
                            if (this._streamingSource || (this._streamingSource = vr.audioEngine.audioContext.createMediaElementSource(this._htmlAudioElement),
                            this._htmlAudioElement.onended = function() {
                                s._onended()
                            }
                            ,
                            this._htmlAudioElement.playbackRate = this._playbackRate),
                            this._streamingSource.disconnect(),
                            this._inputAudioNode && this._streamingSource.connect(this._inputAudioNode),
                            this._htmlAudioElement) {
                                var c = function() {
                                    var e, t;
                                    if (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.unlocked) {
                                        var i = s._htmlAudioElement.play();
                                        void 0 !== i && i.catch((function() {
                                            var e, t;
                                            null === (e = vr.audioEngine) || void 0 === e || e.lock(),
                                            (s.loop || s.autoplay) && (null === (t = vr.audioEngine) || void 0 === t || t.onAudioUnlockedObservable.addOnce((function() {
                                                c()
                                            }
                                            )))
                                        }
                                        ))
                                    } else
                                        (s.loop || s.autoplay) && (null === (t = vr.audioEngine) || void 0 === t || t.onAudioUnlockedObservable.addOnce((function() {
                                            c()
                                        }
                                        )))
                                };
                                c()
                            }
                        } else {
                            var u = function() {
                                var n, r, o;
                                if (null === (n = vr.audioEngine) || void 0 === n ? void 0 : n.audioContext) {
                                    if (i = i || s._length,
                                    t = t || s._offset,
                                    s._soundSource) {
                                        var a = s._soundSource;
                                        a.onended = function() {
                                            a.disconnect()
                                        }
                                    }
                                    if (s._soundSource = null === (r = vr.audioEngine) || void 0 === r ? void 0 : r.audioContext.createBufferSource(),
                                    s._soundSource && s._inputAudioNode) {
                                        s._soundSource.buffer = s._audioBuffer,
                                        s._soundSource.connect(s._inputAudioNode),
                                        s._soundSource.loop = s.loop,
                                        void 0 !== t && (s._soundSource.loopStart = t),
                                        void 0 !== i && (s._soundSource.loopEnd = (0 | t) + i),
                                        s._soundSource.playbackRate.value = s._playbackRate,
                                        s._soundSource.onended = function() {
                                            s._onended()
                                        }
                                        ,
                                        l = e ? (null === (o = vr.audioEngine) || void 0 === o ? void 0 : o.audioContext.currentTime) + e : vr.audioEngine.audioContext.currentTime;
                                        var c = s.isPaused ? s._startOffset % s._soundSource.buffer.duration : t || 0;
                                        s._soundSource.start(l, c, s.loop ? void 0 : i)
                                    }
                                }
                            };
                            "suspended" === (null === (a = vr.audioEngine) || void 0 === a ? void 0 : a.audioContext.state) ? setTimeout((function() {
                                var e;
                                "suspended" === (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.audioContext.state) ? (vr.audioEngine.lock(),
                                (s.loop || s.autoplay) && vr.audioEngine.onAudioUnlockedObservable.addOnce((function() {
                                    u()
                                }
                                ))) : u()
                            }
                            ), 500) : u()
                        }
                        this._startTime = l,
                        this.isPlaying = !0,
                        this.isPaused = !1
                    } catch (e) {
                        K.Error("Error while trying to play audio: " + this.name + ", " + e.message)
                    }
            }
            ,
            e.prototype._onended = function() {
                this.isPlaying = !1,
                this._startOffset = 0,
                this.onended && this.onended(),
                this.onEndedObservable.notifyObservers(this)
            }
            ,
            e.prototype.stop = function(e) {
                var t, i = this;
                if (this.isPlaying)
                    if (this._streaming)
                        this._htmlAudioElement ? (this._htmlAudioElement.pause(),
                        this._htmlAudioElement.currentTime > 0 && (this._htmlAudioElement.currentTime = 0)) : this._streamingSource.disconnect(),
                        this.isPlaying = !1;
                    else if ((null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.audioContext) && this._soundSource) {
                        var n = e ? vr.audioEngine.audioContext.currentTime + e : void 0;
                        this._soundSource.stop(n),
                        void 0 === n ? (this.isPlaying = !1,
                        this._soundSource.onended = function() {}
                        ) : this._soundSource.onended = function() {
                            i.isPlaying = !1
                        }
                        ,
                        this.isPaused || (this._startOffset = 0)
                    }
            }
            ,
            e.prototype.pause = function() {
                var e;
                this.isPlaying && (this.isPaused = !0,
                this._streaming ? (this._htmlAudioElement ? this._htmlAudioElement.pause() : this._streamingSource.disconnect(),
                this.isPlaying = !1) : (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.audioContext) && (this.stop(0),
                this._startOffset += vr.audioEngine.audioContext.currentTime - this._startTime))
            }
            ,
            e.prototype.setVolume = function(e, t) {
                var i;
                (null === (i = vr.audioEngine) || void 0 === i ? void 0 : i.canUseWebAudio) && this._soundGain && (t && vr.audioEngine.audioContext ? (this._soundGain.gain.cancelScheduledValues(vr.audioEngine.audioContext.currentTime),
                this._soundGain.gain.setValueAtTime(this._soundGain.gain.value, vr.audioEngine.audioContext.currentTime),
                this._soundGain.gain.linearRampToValueAtTime(e, vr.audioEngine.audioContext.currentTime + t)) : this._soundGain.gain.value = e),
                this._volume = e
            }
            ,
            e.prototype.setPlaybackRate = function(e) {
                this._playbackRate = e,
                this.isPlaying && (this._streaming && this._htmlAudioElement ? this._htmlAudioElement.playbackRate = this._playbackRate : this._soundSource && (this._soundSource.playbackRate.value = this._playbackRate))
            }
            ,
            e.prototype.getVolume = function() {
                return this._volume
            }
            ,
            e.prototype.attachToMesh = function(e) {
                var t = this;
                this._connectedTransformNode && this._registerFunc && (this._connectedTransformNode.unregisterAfterWorldMatrixUpdate(this._registerFunc),
                this._registerFunc = null),
                this._connectedTransformNode = e,
                this._spatialSound || (this._spatialSound = !0,
                this._createSpatialParameters(),
                this.isPlaying && this.loop && (this.stop(),
                this.play(0, this._offset, this._length))),
                this._onRegisterAfterWorldMatrixUpdate(this._connectedTransformNode),
                this._registerFunc = function(e) {
                    return t._onRegisterAfterWorldMatrixUpdate(e)
                }
                ,
                this._connectedTransformNode.registerAfterWorldMatrixUpdate(this._registerFunc)
            }
            ,
            e.prototype.detachFromMesh = function() {
                this._connectedTransformNode && this._registerFunc && (this._connectedTransformNode.unregisterAfterWorldMatrixUpdate(this._registerFunc),
                this._registerFunc = null,
                this._connectedTransformNode = null)
            }
            ,
            e.prototype._onRegisterAfterWorldMatrixUpdate = function(e) {
                var t;
                if (e.getBoundingInfo) {
                    var i = e.getBoundingInfo();
                    this.setPosition(i.boundingSphere.centerWorld)
                } else
                    this.setPosition(e.absolutePosition);
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._isDirectional && this.isPlaying && this._updateDirection()
            }
            ,
            e.prototype.clone = function() {
                var t = this;
                if (this._streaming)
                    return null;
                var i = function() {
                    t._isReadyToPlay ? (r._audioBuffer = t.getAudioBuffer(),
                    r._isReadyToPlay = !0,
                    r.autoplay && r.play(0, t._offset, t._length)) : window.setTimeout(i, 300)
                }
                  , n = {
                    autoplay: this.autoplay,
                    loop: this.loop,
                    volume: this._volume,
                    spatialSound: this._spatialSound,
                    maxDistance: this.maxDistance,
                    useCustomAttenuation: this.useCustomAttenuation,
                    rolloffFactor: this.rolloffFactor,
                    refDistance: this.refDistance,
                    distanceModel: this.distanceModel
                }
                  , r = new e(this.name + "_cloned",new ArrayBuffer(0),this._scene,null,n);
                return this.useCustomAttenuation && r.setAttenuationFunction(this._customAttenuationFunction),
                r.setPosition(this._position),
                r.setPlaybackRate(this._playbackRate),
                i(),
                r
            }
            ,
            e.prototype.getAudioBuffer = function() {
                return this._audioBuffer
            }
            ,
            e.prototype.getSoundSource = function() {
                return this._soundSource
            }
            ,
            e.prototype.getSoundGain = function() {
                return this._soundGain
            }
            ,
            e.prototype.serialize = function() {
                var e = {
                    name: this.name,
                    url: this.name,
                    autoplay: this.autoplay,
                    loop: this.loop,
                    volume: this._volume,
                    spatialSound: this._spatialSound,
                    maxDistance: this.maxDistance,
                    rolloffFactor: this.rolloffFactor,
                    refDistance: this.refDistance,
                    distanceModel: this.distanceModel,
                    playbackRate: this._playbackRate,
                    panningModel: this._panningModel,
                    soundTrackId: this.soundTrackId,
                    metadata: this.metadata
                };
                return this._spatialSound && (this._connectedTransformNode && (e.connectedMeshId = this._connectedTransformNode.id),
                e.position = this._position.asArray(),
                e.refDistance = this.refDistance,
                e.distanceModel = this.distanceModel,
                e.isDirectional = this._isDirectional,
                e.localDirectionToMesh = this._localDirection.asArray(),
                e.coneInnerAngle = this._coneInnerAngle,
                e.coneOuterAngle = this._coneOuterAngle,
                e.coneOuterGain = this._coneOuterGain),
                e
            }
            ,
            e.Parse = function(t, i, n, r) {
                var o, a = t.name;
                o = t.url ? n + t.url : n + a;
                var s, l = {
                    autoplay: t.autoplay,
                    loop: t.loop,
                    volume: t.volume,
                    spatialSound: t.spatialSound,
                    maxDistance: t.maxDistance,
                    rolloffFactor: t.rolloffFactor,
                    refDistance: t.refDistance,
                    distanceModel: t.distanceModel,
                    playbackRate: t.playbackRate
                };
                if (r) {
                    var c = function() {
                        r._isReadyToPlay ? (s._audioBuffer = r.getAudioBuffer(),
                        s._isReadyToPlay = !0,
                        s.autoplay && s.play(0, s._offset, s._length)) : window.setTimeout(c, 300)
                    };
                    s = new e(a,new ArrayBuffer(0),i,null,l),
                    c()
                } else
                    s = new e(a,o,i,(function() {
                        i._removePendingData(s)
                    }
                    ),l),
                    i._addPendingData(s);
                if (t.position) {
                    var u = x.FromArray(t.position);
                    s.setPosition(u)
                }
                if (t.isDirectional && (s.setDirectionalCone(t.coneInnerAngle || 360, t.coneOuterAngle || 360, t.coneOuterGain || 0),
                t.localDirectionToMesh)) {
                    var h = x.FromArray(t.localDirectionToMesh);
                    s.setLocalDirectionToMesh(h)
                }
                if (t.connectedMeshId) {
                    var d = i.getMeshById(t.connectedMeshId);
                    d && s.attachToMesh(d)
                }
                return t.metadata && (s.metadata = t.metadata),
                s
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("AudioSceneComponent")
            }
            ,
            e
        }()
          , jr = function() {
            function e(e, t) {
                void 0 === t && (t = {}),
                this.id = -1,
                this._isInitialized = !1,
                (e = e || E.LastCreatedScene) && (this._scene = e,
                this.soundCollection = new Array,
                this._options = t,
                !this._options.mainTrack && this._scene.soundTracks && (this._scene.soundTracks.push(this),
                this.id = this._scene.soundTracks.length - 1))
            }
            return e.prototype._initializeSoundTrackAudioGraph = function() {
                var e;
                (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio) && vr.audioEngine.audioContext && (this._outputAudioNode = vr.audioEngine.audioContext.createGain(),
                this._outputAudioNode.connect(vr.audioEngine.masterGain),
                this._options && this._options.volume && (this._outputAudioNode.gain.value = this._options.volume),
                this._isInitialized = !0)
            }
            ,
            e.prototype.dispose = function() {
                if (vr.audioEngine && vr.audioEngine.canUseWebAudio) {
                    for (this._connectedAnalyser && this._connectedAnalyser.stopDebugCanvas(); this.soundCollection.length; )
                        this.soundCollection[0].dispose();
                    this._outputAudioNode && this._outputAudioNode.disconnect(),
                    this._outputAudioNode = null
                }
            }
            ,
            e.prototype.addSound = function(e) {
                var t;
                this._isInitialized || this._initializeSoundTrackAudioGraph(),
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._outputAudioNode && e.connectToSoundTrackAudioNode(this._outputAudioNode),
                e.soundTrackId && (-1 === e.soundTrackId ? this._scene.mainSoundTrack.removeSound(e) : this._scene.soundTracks && this._scene.soundTracks[e.soundTrackId].removeSound(e)),
                this.soundCollection.push(e),
                e.soundTrackId = this.id
            }
            ,
            e.prototype.removeSound = function(e) {
                var t = this.soundCollection.indexOf(e);
                -1 !== t && this.soundCollection.splice(t, 1)
            }
            ,
            e.prototype.setVolume = function(e) {
                var t;
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._outputAudioNode && (this._outputAudioNode.gain.value = e)
            }
            ,
            e.prototype.switchPanningModelToHRTF = function() {
                var e;
                if (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio)
                    for (var t = 0; t < this.soundCollection.length; t++)
                        this.soundCollection[t].switchPanningModelToHRTF()
            }
            ,
            e.prototype.switchPanningModelToEqualPower = function() {
                var e;
                if (null === (e = vr.audioEngine) || void 0 === e ? void 0 : e.canUseWebAudio)
                    for (var t = 0; t < this.soundCollection.length; t++)
                        this.soundCollection[t].switchPanningModelToEqualPower()
            }
            ,
            e.prototype.connectToAnalyser = function(e) {
                var t;
                this._connectedAnalyser && this._connectedAnalyser.stopDebugCanvas(),
                this._connectedAnalyser = e,
                (null === (t = vr.audioEngine) || void 0 === t ? void 0 : t.canUseWebAudio) && this._outputAudioNode && (this._outputAudioNode.disconnect(),
                this._connectedAnalyser.connectAudioNodes(this._outputAudioNode, vr.audioEngine.masterGain))
            }
            ,
            e
        }();
        o.AddParser(Wi.NAME_AUDIO, (function(e, t, i, n) {
            var r, o, a = [];
            if (i.sounds = i.sounds || [],
            void 0 !== e.sounds && null !== e.sounds)
                for (var s = 0, l = e.sounds.length; s < l; s++) {
                    var c = e.sounds[s];
                    (null === (r = vr.audioEngine) || void 0 === r ? void 0 : r.canUseWebAudio) ? (c.url || (c.url = c.name),
                    a[c.url] ? i.sounds.push(Xr.Parse(c, t, n, a[c.url])) : (o = Xr.Parse(c, t, n),
                    a[c.url] = o,
                    i.sounds.push(o))) : i.sounds.push(new Xr(c.name,null,t))
                }
            a = []
        }
        )),
        Object.defineProperty(mn.prototype, "mainSoundTrack", {
            get: function() {
                var e = this._getComponent(Wi.NAME_AUDIO);
                return e || (e = new Yr(this),
                this._addComponent(e)),
                this._mainSoundTrack || (this._mainSoundTrack = new jr(this,{
                    mainTrack: !0
                })),
                this._mainSoundTrack
            },
            enumerable: !0,
            configurable: !0
        }),
        mn.prototype.getSoundByName = function(e) {
            var t;
            for (t = 0; t < this.mainSoundTrack.soundCollection.length; t++)
                if (this.mainSoundTrack.soundCollection[t].name === e)
                    return this.mainSoundTrack.soundCollection[t];
            if (this.soundTracks)
                for (var i = 0; i < this.soundTracks.length; i++)
                    for (t = 0; t < this.soundTracks[i].soundCollection.length; t++)
                        if (this.soundTracks[i].soundCollection[t].name === e)
                            return this.soundTracks[i].soundCollection[t];
            return null
        }
        ,
        Object.defineProperty(mn.prototype, "audioEnabled", {
            get: function() {
                var e = this._getComponent(Wi.NAME_AUDIO);
                return e || (e = new Yr(this),
                this._addComponent(e)),
                e.audioEnabled
            },
            set: function(e) {
                var t = this._getComponent(Wi.NAME_AUDIO);
                t || (t = new Yr(this),
                this._addComponent(t)),
                e ? t.enableAudio() : t.disableAudio()
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(mn.prototype, "headphone", {
            get: function() {
                var e = this._getComponent(Wi.NAME_AUDIO);
                return e || (e = new Yr(this),
                this._addComponent(e)),
                e.headphone
            },
            set: function(e) {
                var t = this._getComponent(Wi.NAME_AUDIO);
                t || (t = new Yr(this),
                this._addComponent(t)),
                e ? t.switchAudioModeForHeadphones() : t.switchAudioModeForNormalSpeakers()
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(mn.prototype, "audioListenerPositionProvider", {
            get: function() {
                var e = this._getComponent(Wi.NAME_AUDIO);
                return e || (e = new Yr(this),
                this._addComponent(e)),
                e.audioListenerPositionProvider
            },
            set: function(e) {
                var t = this._getComponent(Wi.NAME_AUDIO);
                if (t || (t = new Yr(this),
                this._addComponent(t)),
                "function" != typeof e)
                    throw new Error("The value passed to [Scene.audioListenerPositionProvider] must be a function that returns a Vector3");
                t.audioListenerPositionProvider = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(mn.prototype, "audioPositioningRefreshRate", {
            get: function() {
                var e = this._getComponent(Wi.NAME_AUDIO);
                return e || (e = new Yr(this),
                this._addComponent(e)),
                e.audioPositioningRefreshRate
            },
            set: function(e) {
                var t = this._getComponent(Wi.NAME_AUDIO);
                t || (t = new Yr(this),
                this._addComponent(t)),
                t.audioPositioningRefreshRate = e
            },
            enumerable: !0,
            configurable: !0
        });
        var Yr = function() {
            function e(e) {
                this.name = Wi.NAME_AUDIO,
                this._audioEnabled = !0,
                this._headphone = !1,
                this.audioPositioningRefreshRate = 500,
                this._audioListenerPositionProvider = null,
                this._cachedCameraDirection = new x,
                this._cachedCameraPosition = new x,
                this._lastCheck = 0,
                (e = e || E.LastCreatedScene) && (this.scene = e,
                e.soundTracks = new Array,
                e.sounds = new Array)
            }
            return Object.defineProperty(e.prototype, "audioEnabled", {
                get: function() {
                    return this._audioEnabled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "headphone", {
                get: function() {
                    return this._headphone
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "audioListenerPositionProvider", {
                get: function() {
                    return this._audioListenerPositionProvider
                },
                set: function(e) {
                    this._audioListenerPositionProvider = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.register = function() {
                this.scene._afterRenderStage.registerStep(Wi.STEP_AFTERRENDER_AUDIO, this, this._afterRender)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.serialize = function(e) {
                if (e.sounds = [],
                this.scene.soundTracks)
                    for (var t = 0; t < this.scene.soundTracks.length; t++)
                        for (var i = this.scene.soundTracks[t], n = 0; n < i.soundCollection.length; n++)
                            e.sounds.push(i.soundCollection[n].serialize())
            }
            ,
            e.prototype.addFromContainer = function(e) {
                var t = this;
                e.sounds && e.sounds.forEach((function(e) {
                    e.play(),
                    e.autoplay = !0,
                    t.scene.mainSoundTrack.addSound(e)
                }
                ))
            }
            ,
            e.prototype.removeFromContainer = function(e, t) {
                var i = this;
                void 0 === t && (t = !1),
                e.sounds && e.sounds.forEach((function(e) {
                    e.stop(),
                    e.autoplay = !1,
                    i.scene.mainSoundTrack.removeSound(e),
                    t && e.dispose()
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                var e = this.scene;
                if (e._mainSoundTrack && e.mainSoundTrack.dispose(),
                e.soundTracks)
                    for (var t = 0; t < e.soundTracks.length; t++)
                        e.soundTracks[t].dispose()
            }
            ,
            e.prototype.disableAudio = function() {
                var e, t = this.scene;
                for (this._audioEnabled = !1,
                vr.audioEngine && vr.audioEngine.audioContext && vr.audioEngine.audioContext.suspend(),
                e = 0; e < t.mainSoundTrack.soundCollection.length; e++)
                    t.mainSoundTrack.soundCollection[e].pause();
                if (t.soundTracks)
                    for (e = 0; e < t.soundTracks.length; e++)
                        for (var i = 0; i < t.soundTracks[e].soundCollection.length; i++)
                            t.soundTracks[e].soundCollection[i].pause()
            }
            ,
            e.prototype.enableAudio = function() {
                var e, t = this.scene;
                for (this._audioEnabled = !0,
                vr.audioEngine && vr.audioEngine.audioContext && vr.audioEngine.audioContext.resume(),
                e = 0; e < t.mainSoundTrack.soundCollection.length; e++)
                    t.mainSoundTrack.soundCollection[e].isPaused && t.mainSoundTrack.soundCollection[e].play();
                if (t.soundTracks)
                    for (e = 0; e < t.soundTracks.length; e++)
                        for (var i = 0; i < t.soundTracks[e].soundCollection.length; i++)
                            t.soundTracks[e].soundCollection[i].isPaused && t.soundTracks[e].soundCollection[i].play()
            }
            ,
            e.prototype.switchAudioModeForHeadphones = function() {
                var e = this.scene;
                if (this._headphone = !0,
                e.mainSoundTrack.switchPanningModelToHRTF(),
                e.soundTracks)
                    for (var t = 0; t < e.soundTracks.length; t++)
                        e.soundTracks[t].switchPanningModelToHRTF()
            }
            ,
            e.prototype.switchAudioModeForNormalSpeakers = function() {
                var e = this.scene;
                if (this._headphone = !1,
                e.mainSoundTrack.switchPanningModelToEqualPower(),
                e.soundTracks)
                    for (var t = 0; t < e.soundTracks.length; t++)
                        e.soundTracks[t].switchPanningModelToEqualPower()
            }
            ,
            e.prototype._afterRender = function() {
                var t = ct.Now;
                if (!(this._lastCheck && t - this._lastCheck < this.audioPositioningRefreshRate)) {
                    this._lastCheck = t;
                    var i = this.scene;
                    if (this._audioEnabled && i._mainSoundTrack && i.soundTracks && (0 !== i._mainSoundTrack.soundCollection.length || 1 !== i.soundTracks.length)) {
                        var n = vr.audioEngine;
                        if (n && n.audioContext) {
                            if (this._audioListenerPositionProvider) {
                                var r = this._audioListenerPositionProvider();
                                r.x = r.x || 0,
                                r.y = r.y || 0,
                                r.z = r.z || 0,
                                n.audioContext.listener.setPosition(r.x, r.y, r.z)
                            } else {
                                var o = void 0;
                                if (o = i.activeCameras && i.activeCameras.length > 0 ? i.activeCameras[0] : i.activeCamera) {
                                    this._cachedCameraPosition.equals(o.globalPosition) || (this._cachedCameraPosition.copyFrom(o.globalPosition),
                                    n.audioContext.listener.setPosition(o.globalPosition.x, o.globalPosition.y, o.globalPosition.z)),
                                    o.rigCameras && o.rigCameras.length > 0 && (o = o.rigCameras[0]);
                                    var a = P.Invert(o.getViewMatrix())
                                      , s = x.TransformNormal(e._CameraDirection, a);
                                    s.normalize(),
                                    isNaN(s.x) || isNaN(s.y) || isNaN(s.z) || this._cachedCameraDirection.equals(s) || (this._cachedCameraDirection.copyFrom(s),
                                    n.audioContext.listener.setOrientation(s.x, s.y, s.z, 0, 1, 0))
                                } else
                                    n.audioContext.listener.setPosition(0, 0, 0)
                            }
                            var l = void 0;
                            for (l = 0; l < i.mainSoundTrack.soundCollection.length; l++)
                                (u = i.mainSoundTrack.soundCollection[l]).useCustomAttenuation && u.updateDistanceFromListener();
                            if (i.soundTracks)
                                for (l = 0; l < i.soundTracks.length; l++)
                                    for (var c = 0; c < i.soundTracks[l].soundCollection.length; c++) {
                                        var u;
                                        (u = i.soundTracks[l].soundCollection[c]).useCustomAttenuation && u.updateDistanceFromListener()
                                    }
                        }
                    }
                }
            }
            ,
            e._CameraDirection = new x(0,0,-1),
            e
        }();
        Xr._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_AUDIO);
            t || (t = new Yr(e),
            e._addComponent(t))
        }
        ;
        var Kr = function() {
            function e(e, t, i) {
                var n = this;
                if (this.loop = !1,
                this._coneInnerAngle = 360,
                this._coneOuterAngle = 360,
                this._volume = 1,
                this.isPlaying = !1,
                this.isPaused = !1,
                this._sounds = [],
                this._weights = [],
                t.length !== i.length)
                    throw new Error("Sounds length does not equal weights length");
                this.loop = e,
                this._weights = i;
                for (var r = 0, o = 0, a = i; o < a.length; o++)
                    r += a[o];
                for (var s = r > 0 ? 1 / r : 0, l = 0; l < this._weights.length; l++)
                    this._weights[l] *= s;
                this._sounds = t;
                for (var c = 0, u = this._sounds; c < u.length; c++)
                    u[c].onEndedObservable.add((function() {
                        n._onended()
                    }
                    ))
            }
            return Object.defineProperty(e.prototype, "directionalConeInnerAngle", {
                get: function() {
                    return this._coneInnerAngle
                },
                set: function(e) {
                    if (e !== this._coneInnerAngle) {
                        if (this._coneOuterAngle < e)
                            return void K.Error("directionalConeInnerAngle: outer angle of the cone must be superior or equal to the inner angle.");
                        this._coneInnerAngle = e;
                        for (var t = 0, i = this._sounds; t < i.length; t++)
                            i[t].directionalConeInnerAngle = e
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "directionalConeOuterAngle", {
                get: function() {
                    return this._coneOuterAngle
                },
                set: function(e) {
                    if (e !== this._coneOuterAngle) {
                        if (e < this._coneInnerAngle)
                            return void K.Error("directionalConeOuterAngle: outer angle of the cone must be superior or equal to the inner angle.");
                        this._coneOuterAngle = e;
                        for (var t = 0, i = this._sounds; t < i.length; t++)
                            i[t].directionalConeOuterAngle = e
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "volume", {
                get: function() {
                    return this._volume
                },
                set: function(e) {
                    if (e !== this._volume)
                        for (var t = 0, i = this._sounds; t < i.length; t++)
                            i[t].setVolume(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._onended = function() {
                void 0 !== this._currentIndex && (this._sounds[this._currentIndex].autoplay = !1),
                this.loop && this.isPlaying ? this.play() : this.isPlaying = !1
            }
            ,
            e.prototype.pause = function() {
                this.isPaused = !0,
                void 0 !== this._currentIndex && this._sounds[this._currentIndex].pause()
            }
            ,
            e.prototype.stop = function() {
                this.isPlaying = !1,
                void 0 !== this._currentIndex && this._sounds[this._currentIndex].stop()
            }
            ,
            e.prototype.play = function(e) {
                if (!this.isPaused) {
                    this.stop();
                    for (var t = Math.random(), i = 0, n = 0; n < this._weights.length; n++)
                        if (t <= (i += this._weights[n])) {
                            this._currentIndex = n;
                            break
                        }
                }
                var r = this._sounds[this._currentIndex];
                r.isReady() ? r.play(0, this.isPaused ? void 0 : e) : r.autoplay = !0,
                this.isPlaying = !0,
                this.isPaused = !1
            }
            ,
            e
        }()
          , Qr = function() {
            function e(e) {
                this._texture = null,
                this._isEnabled = !0,
                this.isEnabled = !0,
                this.time = 0,
                (e = e || E.LastCreatedScene) && (this._scene = e,
                this.animationParameters = new R(0,0,0,30))
            }
            return e.prototype._markSubMeshesAsAttributesDirty = function() {
                for (var e = 0, t = this._scene.meshes; e < t.length; e++) {
                    var i = t[e];
                    i.bakedVertexAnimationManager === this && i._markSubMeshesAsAttributesDirty()
                }
            }
            ,
            e.prototype.bind = function(e, t) {
                if (void 0 === t && (t = !1),
                this._texture && this._isEnabled) {
                    var i = this._texture.getSize();
                    e.setFloat2("bakedVertexAnimationTextureSizeInverted", 1 / i.width, 1 / i.height),
                    e.setFloat("bakedVertexAnimationTime", this.time),
                    t || e.setVector4("bakedVertexAnimationSettings", this.animationParameters),
                    e.setTexture("bakedVertexAnimationTexture", this._texture)
                }
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this._scene);
                return this.copyTo(t),
                t
            }
            ,
            e.prototype.setAnimationParameters = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 30),
                this.animationParameters = new R(e,t,i,n)
            }
            ,
            e.prototype.dispose = function(e) {
                var t;
                e && (null === (t = this._texture) || void 0 === t || t.dispose())
            }
            ,
            e.prototype.getClassName = function() {
                return "BakedVertexAnimationManager"
            }
            ,
            e.prototype.copyTo = function(e) {
                Ge.Clone((function() {
                    return e
                }
                ), this)
            }
            ,
            e.prototype.serialize = function() {
                return Ge.Serialize(this)
            }
            ,
            e.prototype.parse = function(e, t, i) {
                var n = this;
                Ge.Parse((function() {
                    return n
                }
                ), e, t, i)
            }
            ,
            k([Pe(), Re("_markSubMeshesAsAttributesDirty")], e.prototype, "texture", void 0),
            k([Ce(), Re("_markSubMeshesAsAttributesDirty")], e.prototype, "isEnabled", void 0),
            k([Ce()], e.prototype, "animationParameters", void 0),
            k([Ce()], e.prototype, "time", void 0),
            e
        }()
          , qr = function() {
            function e(e) {
                this._wrapU = a.TEXTURE_WRAP_ADDRESSMODE,
                this._wrapV = a.TEXTURE_WRAP_ADDRESSMODE,
                this.wrapR = a.TEXTURE_WRAP_ADDRESSMODE,
                this.anisotropicFilteringLevel = 4,
                this.delayLoadState = a.DELAYLOADSTATE_NONE,
                this._texture = null,
                this._engine = null,
                this._cachedSize = je.Zero(),
                this._cachedBaseSize = je.Zero(),
                this._initialSamplingMode = a.TEXTURE_BILINEAR_SAMPLINGMODE,
                this._texture = e,
                this._texture && (this._engine = this._texture.getEngine())
            }
            return Object.defineProperty(e.prototype, "wrapU", {
                get: function() {
                    return this._wrapU
                },
                set: function(e) {
                    this._wrapU = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "wrapV", {
                get: function() {
                    return this._wrapV
                },
                set: function(e) {
                    this._wrapV = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "coordinatesMode", {
                get: function() {
                    return 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isCube", {
                get: function() {
                    return !!this._texture && this._texture.isCube
                },
                set: function(e) {
                    this._texture && (this._texture.isCube = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "is3D", {
                get: function() {
                    return !!this._texture && this._texture.is3D
                },
                set: function(e) {
                    this._texture && (this._texture.is3D = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "is2DArray", {
                get: function() {
                    return !!this._texture && this._texture.is2DArray
                },
                set: function(e) {
                    this._texture && (this._texture.is2DArray = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "ThinTexture"
            }
            ,
            e.prototype.isReady = function() {
                return this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED ? (this.delayLoad(),
                !1) : !!this._texture && this._texture.isReady
            }
            ,
            e.prototype.delayLoad = function() {}
            ,
            e.prototype.getInternalTexture = function() {
                return this._texture
            }
            ,
            e.prototype.getSize = function() {
                if (this._texture) {
                    if (this._texture.width)
                        return this._cachedSize.width = this._texture.width,
                        this._cachedSize.height = this._texture.height,
                        this._cachedSize;
                    if (this._texture._size)
                        return this._cachedSize.width = this._texture._size,
                        this._cachedSize.height = this._texture._size,
                        this._cachedSize
                }
                return this._cachedSize
            }
            ,
            e.prototype.getBaseSize = function() {
                return this.isReady() && this._texture ? this._texture._size ? (this._cachedBaseSize.width = this._texture._size,
                this._cachedBaseSize.height = this._texture._size,
                this._cachedBaseSize) : (this._cachedBaseSize.width = this._texture.baseWidth,
                this._cachedBaseSize.height = this._texture.baseHeight,
                this._cachedBaseSize) : (this._cachedBaseSize.width = 0,
                this._cachedBaseSize.height = 0,
                this._cachedBaseSize)
            }
            ,
            Object.defineProperty(e.prototype, "samplingMode", {
                get: function() {
                    return this._texture ? this._texture.samplingMode : this._initialSamplingMode
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.updateSamplingMode = function(e) {
                this._texture && this._engine && this._engine.updateTextureSamplingMode(e, this._texture)
            }
            ,
            e.prototype.releaseInternalTexture = function() {
                this._texture && (this._texture.dispose(),
                this._texture = null)
            }
            ,
            e.prototype.dispose = function() {
                this._texture && (this.releaseInternalTexture(),
                this._engine = null)
            }
            ,
            e
        }()
          , Zr = function(e) {
            function t(i) {
                var n = e.call(this, null) || this;
                return n.metadata = null,
                n.reservedDataStore = null,
                n._hasAlpha = !1,
                n._getAlphaFromRGB = !1,
                n.level = 1,
                n._coordinatesIndex = 0,
                n._coordinatesMode = a.TEXTURE_EXPLICIT_MODE,
                n.wrapR = a.TEXTURE_WRAP_ADDRESSMODE,
                n.anisotropicFilteringLevel = t.DEFAULT_ANISOTROPIC_FILTERING_LEVEL,
                n._isCube = !1,
                n._gammaSpace = !0,
                n.invertZ = !1,
                n.lodLevelInAlpha = !1,
                n.isRenderTarget = !1,
                n._prefiltered = !1,
                n._forceSerialize = !1,
                n.animations = new Array,
                n.onDisposeObservable = new h,
                n._onDisposeObserver = null,
                n._scene = null,
                n._uid = null,
                n._parentContainer = null,
                n._loadingError = !1,
                i ? t._IsScene(i) ? n._scene = i : n._engine = i : n._scene = E.LastCreatedScene,
                n._scene && (n.uniqueId = n._scene.getUniqueId(),
                n._scene.addTexture(n),
                n._engine = n._scene.getEngine()),
                n._uid = null,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "hasAlpha", {
                get: function() {
                    return this._hasAlpha
                },
                set: function(e) {
                    var t = this;
                    this._hasAlpha !== e && (this._hasAlpha = e,
                    this._scene && this._scene.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                        return e.hasTexture(t)
                    }
                    )))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "getAlphaFromRGB", {
                get: function() {
                    return this._getAlphaFromRGB
                },
                set: function(e) {
                    var t = this;
                    this._getAlphaFromRGB !== e && (this._getAlphaFromRGB = e,
                    this._scene && this._scene.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                        return e.hasTexture(t)
                    }
                    )))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "coordinatesIndex", {
                get: function() {
                    return this._coordinatesIndex
                },
                set: function(e) {
                    var t = this;
                    this._coordinatesIndex !== e && (this._coordinatesIndex = e,
                    this._scene && this._scene.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                        return e.hasTexture(t)
                    }
                    )))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "coordinatesMode", {
                get: function() {
                    return this._coordinatesMode
                },
                set: function(e) {
                    var t = this;
                    this._coordinatesMode !== e && (this._coordinatesMode = e,
                    this._scene && this._scene.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                        return e.hasTexture(t)
                    }
                    )))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wrapU", {
                get: function() {
                    return this._wrapU
                },
                set: function(e) {
                    this._wrapU = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wrapV", {
                get: function() {
                    return this._wrapV
                },
                set: function(e) {
                    this._wrapV = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isCube", {
                get: function() {
                    return this._texture ? this._texture.isCube : this._isCube
                },
                set: function(e) {
                    this._texture ? this._texture.isCube = e : this._isCube = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "is3D", {
                get: function() {
                    return !!this._texture && this._texture.is3D
                },
                set: function(e) {
                    this._texture && (this._texture.is3D = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "is2DArray", {
                get: function() {
                    return !!this._texture && this._texture.is2DArray
                },
                set: function(e) {
                    this._texture && (this._texture.is2DArray = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "gammaSpace", {
                get: function() {
                    return this._texture ? (null === this._texture._gammaSpace && (this._texture._gammaSpace = this._gammaSpace),
                    this._texture._gammaSpace && !this._texture._useSRGBBuffer) : this._gammaSpace
                },
                set: function(e) {
                    if (this._texture) {
                        if (this._texture._gammaSpace === e)
                            return;
                        this._texture._gammaSpace = e
                    } else {
                        if (this._gammaSpace === e)
                            return;
                        this._gammaSpace = e
                    }
                    this._markAllSubMeshesAsTexturesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isRGBD", {
                get: function() {
                    return null != this._texture && this._texture._isRGBD
                },
                set: function(e) {
                    this._texture && (this._texture._isRGBD = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "noMipmap", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lodGenerationOffset", {
                get: function() {
                    return this._texture ? this._texture._lodGenerationOffset : 0
                },
                set: function(e) {
                    this._texture && (this._texture._lodGenerationOffset = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lodGenerationScale", {
                get: function() {
                    return this._texture ? this._texture._lodGenerationScale : 0
                },
                set: function(e) {
                    this._texture && (this._texture._lodGenerationScale = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "linearSpecularLOD", {
                get: function() {
                    return !!this._texture && this._texture._linearSpecularLOD
                },
                set: function(e) {
                    this._texture && (this._texture._linearSpecularLOD = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "irradianceTexture", {
                get: function() {
                    return this._texture ? this._texture._irradianceTexture : null
                },
                set: function(e) {
                    this._texture && (this._texture._irradianceTexture = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uid", {
                get: function() {
                    return this._uid || (this._uid = fi()),
                    this._uid
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.toString = function() {
                return this.name
            }
            ,
            t.prototype.getClassName = function() {
                return "BaseTexture"
            }
            ,
            Object.defineProperty(t.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isBlocking", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "loadingError", {
                get: function() {
                    return this._loadingError
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "errorObject", {
                get: function() {
                    return this._errorObject
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getScene = function() {
                return this._scene
            }
            ,
            t.prototype._getEngine = function() {
                return this._engine
            }
            ,
            t.prototype.checkTransformsAreIdentical = function(e) {
                return null !== e
            }
            ,
            t.prototype.getTextureMatrix = function() {
                return P.IdentityReadOnly
            }
            ,
            t.prototype.getReflectionTextureMatrix = function() {
                return P.IdentityReadOnly
            }
            ,
            t.prototype.isReadyOrNotBlocking = function() {
                return !this.isBlocking || this.isReady() || this.loadingError
            }
            ,
            t.prototype.scale = function(e) {}
            ,
            Object.defineProperty(t.prototype, "canRescale", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getFromCache = function(e, t, i, n, r) {
                var o = this._getEngine();
                if (!o)
                    return null;
                for (var a = o._getUseSRGBBuffer(!!r, t), s = o.getLoadedTexturesCache(), l = 0; l < s.length; l++) {
                    var c = s[l];
                    if ((void 0 === r || a === c._useSRGBBuffer) && !(void 0 !== n && n !== c.invertY || c.url !== e || c.generateMipMaps !== !t || i && i !== c.samplingMode))
                        return c.incrementReferences(),
                        c
                }
                return null
            }
            ,
            t.prototype._rebuild = function() {}
            ,
            t.prototype.clone = function() {
                return null
            }
            ,
            Object.defineProperty(t.prototype, "textureType", {
                get: function() {
                    return this._texture && void 0 !== this._texture.type ? this._texture.type : a.TEXTURETYPE_UNSIGNED_INT
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "textureFormat", {
                get: function() {
                    return this._texture && void 0 !== this._texture.format ? this._texture.format : a.TEXTUREFORMAT_RGBA
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                var e = this.getScene();
                e && e.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)
            }
            ,
            t.prototype.readPixels = function(e, t, i, n, r) {
                if (void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = null),
                void 0 === n && (n = !0),
                void 0 === r && (r = !1),
                !this._texture)
                    return null;
                var o = this.getSize()
                  , a = o.width
                  , s = o.height
                  , l = this._getEngine();
                if (!l)
                    return null;
                0 != t && (a /= Math.pow(2, t),
                s /= Math.pow(2, t),
                a = Math.round(a),
                s = Math.round(s));
                try {
                    return this._texture.isCube ? l._readTexturePixels(this._texture, a, s, e, t, i, n, r) : l._readTexturePixels(this._texture, a, s, -1, t, i, n, r)
                } catch (e) {
                    return null
                }
            }
            ,
            t.prototype._readPixelsSync = function(e, t, i, n, r) {
                if (void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = null),
                void 0 === n && (n = !0),
                void 0 === r && (r = !1),
                !this._texture)
                    return null;
                var o = this.getSize()
                  , a = o.width
                  , s = o.height
                  , l = this._getEngine();
                if (!l)
                    return null;
                0 != t && (a /= Math.pow(2, t),
                s /= Math.pow(2, t),
                a = Math.round(a),
                s = Math.round(s));
                try {
                    return this._texture.isCube ? l._readTexturePixelsSync(this._texture, a, s, e, t, i, n, r) : l._readTexturePixelsSync(this._texture, a, s, -1, t, i, n, r)
                } catch (e) {
                    return null
                }
            }
            ,
            Object.defineProperty(t.prototype, "_lodTextureHigh", {
                get: function() {
                    return this._texture ? this._texture._lodTextureHigh : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_lodTextureMid", {
                get: function() {
                    return this._texture ? this._texture._lodTextureMid : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_lodTextureLow", {
                get: function() {
                    return this._texture ? this._texture._lodTextureLow : null
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                if (this._scene) {
                    this._scene.stopAnimation && this._scene.stopAnimation(this),
                    this._scene._removePendingData(this);
                    var t = this._scene.textures.indexOf(this);
                    if (t >= 0 && this._scene.textures.splice(t, 1),
                    this._scene.onTextureRemovedObservable.notifyObservers(this),
                    this._scene = null,
                    this._parentContainer) {
                        var i = this._parentContainer.textures.indexOf(this);
                        i > -1 && this._parentContainer.textures.splice(i, 1),
                        this._parentContainer = null
                    }
                }
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this.metadata = null,
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var e = Ge.Serialize(this);
                return Ge.AppendSerializedAnimations(this, e),
                e
            }
            ,
            t.WhenAllReady = function(e, t) {
                var i = e.length;
                if (0 !== i)
                    for (var n = 0; n < e.length; n++) {
                        var r = e[n];
                        if (r.isReady())
                            0 == --i && t();
                        else {
                            var o = r.onLoadObservable;
                            o && o.addOnce((function() {
                                0 == --i && t()
                            }
                            ))
                        }
                    }
                else
                    t()
            }
            ,
            t._IsScene = function(e) {
                return "Scene" === e.getClassName()
            }
            ,
            t.DEFAULT_ANISOTROPIC_FILTERING_LEVEL = 4,
            k([Ce()], t.prototype, "uniqueId", void 0),
            k([Ce()], t.prototype, "name", void 0),
            k([Ce()], t.prototype, "metadata", void 0),
            k([Ce("hasAlpha")], t.prototype, "_hasAlpha", void 0),
            k([Ce("getAlphaFromRGB")], t.prototype, "_getAlphaFromRGB", void 0),
            k([Ce()], t.prototype, "level", void 0),
            k([Ce("coordinatesIndex")], t.prototype, "_coordinatesIndex", void 0),
            k([Ce("coordinatesMode")], t.prototype, "_coordinatesMode", void 0),
            k([Ce()], t.prototype, "wrapU", null),
            k([Ce()], t.prototype, "wrapV", null),
            k([Ce()], t.prototype, "wrapR", void 0),
            k([Ce()], t.prototype, "anisotropicFilteringLevel", void 0),
            k([Ce()], t.prototype, "isCube", null),
            k([Ce()], t.prototype, "is3D", null),
            k([Ce()], t.prototype, "is2DArray", null),
            k([Ce()], t.prototype, "gammaSpace", null),
            k([Ce()], t.prototype, "invertZ", void 0),
            k([Ce()], t.prototype, "lodLevelInAlpha", void 0),
            k([Ce()], t.prototype, "lodGenerationOffset", null),
            k([Ce()], t.prototype, "lodGenerationScale", null),
            k([Ce()], t.prototype, "linearSpecularLOD", null),
            k([Pe()], t.prototype, "irradianceTexture", null),
            k([Ce()], t.prototype, "isRenderTarget", void 0),
            t
        }(qr);
        function Jr(e, t, i) {
            void 0 === i && (i = !1);
            var n = t.width
              , r = t.height;
            if (e instanceof Float32Array) {
                for (var o = e.byteLength / e.BYTES_PER_ELEMENT, a = new Uint8Array(o); --o >= 0; ) {
                    var s = e[o];
                    s < 0 ? s = 0 : s > 1 && (s = 1),
                    a[o] = 255 * s
                }
                e = a
            }
            var l = document.createElement("canvas");
            l.width = n,
            l.height = r;
            var c = l.getContext("2d");
            if (!c)
                return null;
            var u = c.createImageData(n, r);
            if (u.data.set(e),
            c.putImageData(u, 0, 0),
            i) {
                var h = document.createElement("canvas");
                h.width = n,
                h.height = r;
                var d = h.getContext("2d");
                return d ? (d.translate(0, r),
                d.scale(1, -1),
                d.drawImage(l, 0, 0),
                h.toDataURL("image/png")) : null
            }
            return l.toDataURL("image/png")
        }
        function $r(e, t, i) {
            void 0 === t && (t = 0),
            void 0 === i && (i = 0);
            var n = e.getInternalTexture();
            if (!n)
                return null;
            var r = e._readPixelsSync(t, i);
            return r ? Jr(r, e.getSize(), n.invertY) : null
        }
        function eo(e, t, i) {
            return void 0 === t && (t = 0),
            void 0 === i && (i = 0),
            G(this, void 0, void 0, (function() {
                var n, r;
                return z(this, (function(o) {
                    switch (o.label) {
                    case 0:
                        return (n = e.getInternalTexture()) ? [4, e.readPixels(t, i)] : [2, null];
                    case 1:
                        return (r = o.sent()) ? [2, Jr(r, e.getSize(), n.invertY)] : [2, null]
                    }
                }
                ))
            }
            ))
        }
        var to = {
            GenerateBase64StringFromPixelData: Jr,
            GenerateBase64StringFromTexture: $r,
            GenerateBase64StringFromTextureAsync: eo
        }
          , io = function(e) {
            function t(i, n, r, o, s, l, c, u, d, p, f, _, m) {
                void 0 === s && (s = t.TRILINEAR_SAMPLINGMODE),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === d && (d = !1);
                var g, v, y, b, T, E, S, A, x, R = this;
                (R = e.call(this, n) || this).url = null,
                R.uOffset = 0,
                R.vOffset = 0,
                R.uScale = 1,
                R.vScale = 1,
                R.uAng = 0,
                R.vAng = 0,
                R.wAng = 0,
                R.uRotationCenter = .5,
                R.vRotationCenter = .5,
                R.wRotationCenter = .5,
                R.homogeneousRotationInUVTransform = !1,
                R.inspectableCustomProperties = null,
                R._noMipmap = !1,
                R._invertY = !1,
                R._rowGenerationMatrix = null,
                R._cachedTextureMatrix = null,
                R._projectionModeMatrix = null,
                R._t0 = null,
                R._t1 = null,
                R._t2 = null,
                R._cachedUOffset = -1,
                R._cachedVOffset = -1,
                R._cachedUScale = 0,
                R._cachedVScale = 0,
                R._cachedUAng = -1,
                R._cachedVAng = -1,
                R._cachedWAng = -1,
                R._cachedProjectionMatrixId = -1,
                R._cachedURotationCenter = -1,
                R._cachedVRotationCenter = -1,
                R._cachedWRotationCenter = -1,
                R._cachedHomogeneousRotationInUVTransform = !1,
                R._cachedCoordinatesMode = -1,
                R._buffer = null,
                R._deleteBuffer = !1,
                R._format = null,
                R._delayedOnLoad = null,
                R._delayedOnError = null,
                R.onLoadObservable = new h,
                R._isBlocking = !0,
                R.name = i || "",
                R.url = i;
                var C = !1;
                "object" == typeof r && null !== r ? (x = null !== (g = r.noMipmap) && void 0 !== g && g,
                o = null !== (v = r.invertY) && void 0 !== v ? v : !pr.UseOpenGLOrientationForUV,
                s = null !== (y = r.samplingMode) && void 0 !== y ? y : t.TRILINEAR_SAMPLINGMODE,
                l = null !== (b = r.onLoad) && void 0 !== b ? b : null,
                c = null !== (T = r.onError) && void 0 !== T ? T : null,
                u = null !== (E = r.buffer) && void 0 !== E ? E : null,
                d = null !== (S = r.deleteBuffer) && void 0 !== S && S,
                p = r.format,
                f = r.mimeType,
                _ = r.loaderOptions,
                m = r.creationFlags,
                C = null !== (A = r.useSRGBBuffer) && void 0 !== A && A) : x = !!r,
                R._noMipmap = x,
                R._invertY = void 0 === o ? !pr.UseOpenGLOrientationForUV : o,
                R._initialSamplingMode = s,
                R._buffer = u,
                R._deleteBuffer = d,
                R._mimeType = f,
                R._loaderOptions = _,
                R._creationFlags = m,
                R._useSRGBBuffer = C,
                p && (R._format = p);
                var P = R.getScene()
                  , M = R._getEngine();
                if (!M)
                    return R;
                M.onBeforeTextureInitObservable.notifyObservers(R);
                var I = function() {
                    R._texture && (R._texture._invertVScale && (R.vScale *= -1,
                    R.vOffset += 1),
                    null !== R._texture._cachedWrapU && (R.wrapU = R._texture._cachedWrapU,
                    R._texture._cachedWrapU = null),
                    null !== R._texture._cachedWrapV && (R.wrapV = R._texture._cachedWrapV,
                    R._texture._cachedWrapV = null),
                    null !== R._texture._cachedWrapR && (R.wrapR = R._texture._cachedWrapR,
                    R._texture._cachedWrapR = null)),
                    R.onLoadObservable.hasObservers() && R.onLoadObservable.notifyObservers(R),
                    l && l(),
                    !R.isBlocking && P && P.resetCachedMaterial()
                }
                  , O = function(e, i) {
                    R._loadingError = !0,
                    R._errorObject = {
                        message: e,
                        exception: i
                    },
                    c && c(e, i),
                    t.OnTextureLoadErrorObservable.notifyObservers(R)
                };
                if (!R.url)
                    return R._delayedOnLoad = I,
                    R._delayedOnError = O,
                    R;
                if (R._texture = R._getFromCache(R.url, x, s, R._invertY, C),
                R._texture)
                    if (R._texture.isReady)
                        Xt.SetImmediate((function() {
                            return I()
                        }
                        ));
                    else {
                        var D = R._texture.onLoadedObservable.add(I);
                        R._texture.onErrorObservable.add((function(e) {
                            var t;
                            O(e.message, e.exception),
                            null === (t = R._texture) || void 0 === t || t.onLoadedObservable.remove(D)
                        }
                        ))
                    }
                else if (P && P.useDelayedTextureLoading)
                    R.delayLoadState = a.DELAYLOADSTATE_NOTLOADED,
                    R._delayedOnLoad = I,
                    R._delayedOnError = O;
                else {
                    try {
                        R._texture = M.createTexture(R.url, x, R._invertY, P, s, I, O, R._buffer, void 0, R._format, null, f, _, m, C)
                    } catch (e) {
                        throw O("error loading", e),
                        e
                    }
                    d && (R._buffer = null)
                }
                return R
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "noMipmap", {
                get: function() {
                    return this._noMipmap
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "mimeType", {
                get: function() {
                    return this._mimeType
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isBlocking", {
                get: function() {
                    return this._isBlocking
                },
                set: function(e) {
                    this._isBlocking = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "invertY", {
                get: function() {
                    return this._invertY
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.updateURL = function(e, t, i) {
                void 0 === t && (t = null),
                this.url && (this.releaseInternalTexture(),
                this.getScene().markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)),
                this.name && !ae(this.name, "data:") || (this.name = e),
                this.url = e,
                this._buffer = t,
                this.delayLoadState = a.DELAYLOADSTATE_NOTLOADED,
                i && (this._delayedOnLoad = i),
                this.delayLoad()
            }
            ,
            t.prototype.delayLoad = function() {
                if (this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED) {
                    var e = this.getScene();
                    e && (this.delayLoadState = a.DELAYLOADSTATE_LOADED,
                    this._texture = this._getFromCache(this.url, this._noMipmap, this.samplingMode, this._invertY, this._useSRGBBuffer),
                    this._texture ? this._delayedOnLoad && (this._texture.isReady ? Xt.SetImmediate(this._delayedOnLoad) : this._texture.onLoadedObservable.add(this._delayedOnLoad)) : (this._texture = e.getEngine().createTexture(this.url, this._noMipmap, this._invertY, e, this.samplingMode, this._delayedOnLoad, this._delayedOnError, this._buffer, null, this._format, null, this._mimeType, this._loaderOptions, this._creationFlags, this._useSRGBBuffer),
                    this._deleteBuffer && (this._buffer = null)),
                    this._delayedOnLoad = null,
                    this._delayedOnError = null)
                }
            }
            ,
            t.prototype._prepareRowForTextureGeneration = function(e, t, i, n) {
                e *= this._cachedUScale,
                t *= this._cachedVScale,
                e -= this.uRotationCenter * this._cachedUScale,
                t -= this.vRotationCenter * this._cachedVScale,
                i -= this.wRotationCenter,
                x.TransformCoordinatesFromFloatsToRef(e, t, i, this._rowGenerationMatrix, n),
                n.x += this.uRotationCenter * this._cachedUScale + this._cachedUOffset,
                n.y += this.vRotationCenter * this._cachedVScale + this._cachedVOffset,
                n.z += this.wRotationCenter
            }
            ,
            t.prototype.checkTransformsAreIdentical = function(e) {
                return null !== e && this.uOffset === e.uOffset && this.vOffset === e.vOffset && this.uScale === e.uScale && this.vScale === e.vScale && this.uAng === e.uAng && this.vAng === e.vAng && this.wAng === e.wAng
            }
            ,
            t.prototype.getTextureMatrix = function(e) {
                var t = this;
                if (void 0 === e && (e = 1),
                this.uOffset === this._cachedUOffset && this.vOffset === this._cachedVOffset && this.uScale * e === this._cachedUScale && this.vScale === this._cachedVScale && this.uAng === this._cachedUAng && this.vAng === this._cachedVAng && this.wAng === this._cachedWAng && this.uRotationCenter === this._cachedURotationCenter && this.vRotationCenter === this._cachedVRotationCenter && this.wRotationCenter === this._cachedWRotationCenter && this.homogeneousRotationInUVTransform === this._cachedHomogeneousRotationInUVTransform)
                    return this._cachedTextureMatrix;
                this._cachedUOffset = this.uOffset,
                this._cachedVOffset = this.vOffset,
                this._cachedUScale = this.uScale * e,
                this._cachedVScale = this.vScale,
                this._cachedUAng = this.uAng,
                this._cachedVAng = this.vAng,
                this._cachedWAng = this.wAng,
                this._cachedURotationCenter = this.uRotationCenter,
                this._cachedVRotationCenter = this.vRotationCenter,
                this._cachedWRotationCenter = this.wRotationCenter,
                this._cachedHomogeneousRotationInUVTransform = this.homogeneousRotationInUVTransform,
                this._cachedTextureMatrix && this._rowGenerationMatrix || (this._cachedTextureMatrix = P.Zero(),
                this._rowGenerationMatrix = new P,
                this._t0 = x.Zero(),
                this._t1 = x.Zero(),
                this._t2 = x.Zero()),
                P.RotationYawPitchRollToRef(this.vAng, this.uAng, this.wAng, this._rowGenerationMatrix),
                this.homogeneousRotationInUVTransform ? (P.TranslationToRef(-this._cachedURotationCenter, -this._cachedVRotationCenter, -this._cachedWRotationCenter, I.Matrix[0]),
                P.TranslationToRef(this._cachedURotationCenter, this._cachedVRotationCenter, this._cachedWRotationCenter, I.Matrix[1]),
                P.ScalingToRef(this._cachedUScale, this._cachedVScale, 0, I.Matrix[2]),
                P.TranslationToRef(this._cachedUOffset, this._cachedVOffset, 0, I.Matrix[3]),
                I.Matrix[0].multiplyToRef(this._rowGenerationMatrix, this._cachedTextureMatrix),
                this._cachedTextureMatrix.multiplyToRef(I.Matrix[1], this._cachedTextureMatrix),
                this._cachedTextureMatrix.multiplyToRef(I.Matrix[2], this._cachedTextureMatrix),
                this._cachedTextureMatrix.multiplyToRef(I.Matrix[3], this._cachedTextureMatrix),
                this._cachedTextureMatrix.setRowFromFloats(2, this._cachedTextureMatrix.m[12], this._cachedTextureMatrix.m[13], this._cachedTextureMatrix.m[14], 1)) : (this._prepareRowForTextureGeneration(0, 0, 0, this._t0),
                this._prepareRowForTextureGeneration(1, 0, 0, this._t1),
                this._prepareRowForTextureGeneration(0, 1, 0, this._t2),
                this._t1.subtractInPlace(this._t0),
                this._t2.subtractInPlace(this._t0),
                P.FromValuesToRef(this._t1.x, this._t1.y, this._t1.z, 0, this._t2.x, this._t2.y, this._t2.z, 0, this._t0.x, this._t0.y, this._t0.z, 0, 0, 0, 0, 1, this._cachedTextureMatrix));
                var i = this.getScene();
                return i ? (i.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                    return e.hasTexture(t)
                }
                )),
                this._cachedTextureMatrix) : this._cachedTextureMatrix
            }
            ,
            t.prototype.getReflectionTextureMatrix = function() {
                var e = this
                  , i = this.getScene();
                if (!i)
                    return this._cachedTextureMatrix;
                if (this.uOffset === this._cachedUOffset && this.vOffset === this._cachedVOffset && this.uScale === this._cachedUScale && this.vScale === this._cachedVScale && this.coordinatesMode === this._cachedCoordinatesMode) {
                    if (this.coordinatesMode !== t.PROJECTION_MODE)
                        return this._cachedTextureMatrix;
                    if (this._cachedProjectionMatrixId === i.getProjectionMatrix().updateFlag)
                        return this._cachedTextureMatrix
                }
                this._cachedTextureMatrix || (this._cachedTextureMatrix = P.Zero()),
                this._projectionModeMatrix || (this._projectionModeMatrix = P.Zero());
                var n = this._cachedCoordinatesMode !== this.coordinatesMode;
                switch (this._cachedUOffset = this.uOffset,
                this._cachedVOffset = this.vOffset,
                this._cachedUScale = this.uScale,
                this._cachedVScale = this.vScale,
                this._cachedCoordinatesMode = this.coordinatesMode,
                this.coordinatesMode) {
                case t.PLANAR_MODE:
                    P.IdentityToRef(this._cachedTextureMatrix),
                    this._cachedTextureMatrix[0] = this.uScale,
                    this._cachedTextureMatrix[5] = this.vScale,
                    this._cachedTextureMatrix[12] = this.uOffset,
                    this._cachedTextureMatrix[13] = this.vOffset;
                    break;
                case t.PROJECTION_MODE:
                    P.FromValuesToRef(.5, 0, 0, 0, 0, -.5, 0, 0, 0, 0, 0, 0, .5, .5, 1, 1, this._projectionModeMatrix);
                    var r = i.getProjectionMatrix();
                    this._cachedProjectionMatrixId = r.updateFlag,
                    r.multiplyToRef(this._projectionModeMatrix, this._cachedTextureMatrix);
                    break;
                default:
                    P.IdentityToRef(this._cachedTextureMatrix)
                }
                return n && i.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(t) {
                    return -1 !== t.getActiveTextures().indexOf(e)
                }
                )),
                this._cachedTextureMatrix
            }
            ,
            t.prototype.clone = function() {
                var e = this
                  , i = {
                    noMipmap: this._noMipmap,
                    invertY: this._invertY,
                    samplingMode: this.samplingMode,
                    onLoad: void 0,
                    onError: void 0,
                    buffer: this._texture ? this._texture._buffer : void 0,
                    deleteBuffer: this._deleteBuffer,
                    format: this.textureFormat,
                    mimeType: this.mimeType,
                    loaderOptions: this._loaderOptions,
                    creationFlags: this._creationFlags,
                    useSRGBBuffer: this._useSRGBBuffer
                };
                return Ge.Clone((function() {
                    return new t(e._texture ? e._texture.url : null,e.getScene(),i)
                }
                ), this)
            }
            ,
            t.prototype.serialize = function() {
                var i = this.name;
                t.SerializeBuffers || ae(this.name, "data:") && (this.name = ""),
                ae(this.name, "data:") && this.url === this.name && (this.url = "");
                var n = e.prototype.serialize.call(this);
                return n ? ((t.SerializeBuffers || t.ForceSerializeBuffers) && ("string" == typeof this._buffer && "data:" === this._buffer.substr(0, 5) ? (n.base64String = this._buffer,
                n.name = n.name.replace("data:", "")) : this.url && ae(this.url, "data:") && this._buffer instanceof Uint8Array ? n.base64String = "data:image/png;base64," + le(this._buffer) : (t.ForceSerializeBuffers || this.url && ae(this.url, "blob:") || this._forceSerialize) && (n.base64String = !this._engine || this._engine._features.supportSyncTextureRead ? $r(this) : eo(this))),
                n.invertY = this._invertY,
                n.samplingMode = this.samplingMode,
                n._creationFlags = this._creationFlags,
                n._useSRGBBuffer = this._useSRGBBuffer,
                this.name = i,
                n) : null
            }
            ,
            t.prototype.getClassName = function() {
                return "Texture"
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onLoadObservable.clear(),
                this._delayedOnLoad = null,
                this._delayedOnError = null
            }
            ,
            t.Parse = function(e, i, n) {
                if (e.customType) {
                    var r = pi.Instantiate(e.customType).Parse(e, i, n);
                    return e.samplingMode && r.updateSamplingMode && r._samplingMode && r._samplingMode !== e.samplingMode && r.updateSamplingMode(e.samplingMode),
                    r
                }
                if (e.isCube && !e.isRenderTarget)
                    return t._CubeTextureParser(e, i, n);
                if (!e.name && !e.isRenderTarget)
                    return null;
                var o = function() {
                    if (a && a._texture && (a._texture._cachedWrapU = null,
                    a._texture._cachedWrapV = null,
                    a._texture._cachedWrapR = null),
                    e.samplingMode) {
                        var t = e.samplingMode;
                        a && a.samplingMode !== t && a.updateSamplingMode(t)
                    }
                    if (a && e.animations)
                        for (var i = 0; i < e.animations.length; i++) {
                            var n = e.animations[i]
                              , r = b("BABYLON.Animation");
                            r && a.animations.push(r.Parse(n))
                        }
                }
                  , a = Ge.Parse((function() {
                    var r, a, s, l, c = !0;
                    if (e.noMipmap && (c = !1),
                    e.mirrorPlane) {
                        var u = t._CreateMirror(e.name, e.renderTargetSize, i, c);
                        return u._waitingRenderList = e.renderList,
                        u.mirrorPlane = hn.FromArray(e.mirrorPlane),
                        o(),
                        u
                    }
                    if (e.isRenderTarget) {
                        var h = null;
                        if (e.isCube) {
                            if (i.reflectionProbes)
                                for (var d = 0; d < i.reflectionProbes.length; d++) {
                                    var p = i.reflectionProbes[d];
                                    if (p.name === e.name)
                                        return p.cubeTexture
                                }
                        } else
                            (h = t._CreateRenderTargetTexture(e.name, e.renderTargetSize, i, c, null !== (r = e._creationFlags) && void 0 !== r ? r : 0))._waitingRenderList = e.renderList;
                        return o(),
                        h
                    }
                    if (e.base64String)
                        l = t.CreateFromBase64String(e.base64String, e.name, i, !c, e.invertY, e.samplingMode, o, null !== (a = e._creationFlags) && void 0 !== a ? a : 0, null !== (s = e._useSRGBBuffer) && void 0 !== s && s);
                    else {
                        var f = void 0;
                        f = e.name && e.name.indexOf("://") > 0 ? e.name : n + e.name,
                        (ae(e.url, "data:") || t.UseSerializedUrlIfAny && e.url) && (f = e.url),
                        l = new t(f,i,!c,e.invertY,e.samplingMode,o)
                    }
                    return l
                }
                ), e, i);
                return a
            }
            ,
            t.CreateFromBase64String = function(e, i, n, r, o, s, l, c, u, h) {
                return void 0 === s && (s = t.TRILINEAR_SAMPLINGMODE),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = a.TEXTUREFORMAT_RGBA),
                new t("data:" + i,n,r,o,s,l,c,e,!1,u,void 0,void 0,h)
            }
            ,
            t.LoadFromDataString = function(e, i, n, r, o, s, l, c, u, h, d) {
                return void 0 === r && (r = !1),
                void 0 === s && (s = !0),
                void 0 === l && (l = t.TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === h && (h = a.TEXTUREFORMAT_RGBA),
                "data:" !== e.substr(0, 5) && (e = "data:" + e),
                new t(e,n,o,s,l,c,u,i,r,h,void 0,void 0,d)
            }
            ,
            t.SerializeBuffers = !0,
            t.ForceSerializeBuffers = !1,
            t.OnTextureLoadErrorObservable = new h,
            t._CubeTextureParser = function(e, t, i) {
                throw be("CubeTexture")
            }
            ,
            t._CreateMirror = function(e, t, i, n) {
                throw be("MirrorTexture")
            }
            ,
            t._CreateRenderTargetTexture = function(e, t, i, n, r) {
                throw be("RenderTargetTexture")
            }
            ,
            t.NEAREST_SAMPLINGMODE = a.TEXTURE_NEAREST_SAMPLINGMODE,
            t.NEAREST_NEAREST_MIPLINEAR = a.TEXTURE_NEAREST_NEAREST_MIPLINEAR,
            t.BILINEAR_SAMPLINGMODE = a.TEXTURE_BILINEAR_SAMPLINGMODE,
            t.LINEAR_LINEAR_MIPNEAREST = a.TEXTURE_LINEAR_LINEAR_MIPNEAREST,
            t.TRILINEAR_SAMPLINGMODE = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
            t.LINEAR_LINEAR_MIPLINEAR = a.TEXTURE_LINEAR_LINEAR_MIPLINEAR,
            t.NEAREST_NEAREST_MIPNEAREST = a.TEXTURE_NEAREST_NEAREST_MIPNEAREST,
            t.NEAREST_LINEAR_MIPNEAREST = a.TEXTURE_NEAREST_LINEAR_MIPNEAREST,
            t.NEAREST_LINEAR_MIPLINEAR = a.TEXTURE_NEAREST_LINEAR_MIPLINEAR,
            t.NEAREST_LINEAR = a.TEXTURE_NEAREST_LINEAR,
            t.NEAREST_NEAREST = a.TEXTURE_NEAREST_NEAREST,
            t.LINEAR_NEAREST_MIPNEAREST = a.TEXTURE_LINEAR_NEAREST_MIPNEAREST,
            t.LINEAR_NEAREST_MIPLINEAR = a.TEXTURE_LINEAR_NEAREST_MIPLINEAR,
            t.LINEAR_LINEAR = a.TEXTURE_LINEAR_LINEAR,
            t.LINEAR_NEAREST = a.TEXTURE_LINEAR_NEAREST,
            t.EXPLICIT_MODE = a.TEXTURE_EXPLICIT_MODE,
            t.SPHERICAL_MODE = a.TEXTURE_SPHERICAL_MODE,
            t.PLANAR_MODE = a.TEXTURE_PLANAR_MODE,
            t.CUBIC_MODE = a.TEXTURE_CUBIC_MODE,
            t.PROJECTION_MODE = a.TEXTURE_PROJECTION_MODE,
            t.SKYBOX_MODE = a.TEXTURE_SKYBOX_MODE,
            t.INVCUBIC_MODE = a.TEXTURE_INVCUBIC_MODE,
            t.EQUIRECTANGULAR_MODE = a.TEXTURE_EQUIRECTANGULAR_MODE,
            t.FIXED_EQUIRECTANGULAR_MODE = a.TEXTURE_FIXED_EQUIRECTANGULAR_MODE,
            t.FIXED_EQUIRECTANGULAR_MIRRORED_MODE = a.TEXTURE_FIXED_EQUIRECTANGULAR_MIRRORED_MODE,
            t.CLAMP_ADDRESSMODE = a.TEXTURE_CLAMP_ADDRESSMODE,
            t.WRAP_ADDRESSMODE = a.TEXTURE_WRAP_ADDRESSMODE,
            t.MIRROR_ADDRESSMODE = a.TEXTURE_MIRROR_ADDRESSMODE,
            t.UseSerializedUrlIfAny = !1,
            k([Ce()], t.prototype, "url", void 0),
            k([Ce()], t.prototype, "uOffset", void 0),
            k([Ce()], t.prototype, "vOffset", void 0),
            k([Ce()], t.prototype, "uScale", void 0),
            k([Ce()], t.prototype, "vScale", void 0),
            k([Ce()], t.prototype, "uAng", void 0),
            k([Ce()], t.prototype, "vAng", void 0),
            k([Ce()], t.prototype, "wAng", void 0),
            k([Ce()], t.prototype, "uRotationCenter", void 0),
            k([Ce()], t.prototype, "vRotationCenter", void 0),
            k([Ce()], t.prototype, "wRotationCenter", void 0),
            k([Ce()], t.prototype, "homogeneousRotationInUVTransform", void 0),
            k([Ce()], t.prototype, "isBlocking", null),
            t
        }(Zr);
        function no(e, t, i, n) {
            var r, o = 1;
            n === a.TEXTURETYPE_FLOAT ? r = new Float32Array(t * i * 4) : n === a.TEXTURETYPE_HALF_FLOAT ? (r = new Uint16Array(t * i * 4),
            o = 15360) : r = n === a.TEXTURETYPE_UNSIGNED_INTEGER ? new Uint32Array(t * i * 4) : new Uint8Array(t * i * 4);
            for (var s = 0; s < t; s++)
                for (var l = 0; l < i; l++) {
                    var c = 3 * (l * t + s)
                      , u = 4 * (l * t + s);
                    r[u + 0] = e[c + 0],
                    r[u + 1] = e[c + 1],
                    r[u + 2] = e[c + 2],
                    r[u + 3] = o
                }
            return r
        }
        function ro(e) {
            return function(t, i, n, r, o, s, l, c, u, h) {
                void 0 === u && (u = null),
                void 0 === h && (h = a.TEXTURETYPE_UNSIGNED_INT);
                var d = e ? this._gl.TEXTURE_3D : this._gl.TEXTURE_2D_ARRAY
                  , p = e ? At.Raw3D : At.Raw2DArray
                  , f = new Lt(this,p);
                f.baseWidth = i,
                f.baseHeight = n,
                f.baseDepth = r,
                f.width = i,
                f.height = n,
                f.depth = r,
                f.format = o,
                f.type = h,
                f.generateMipMaps = s,
                f.samplingMode = c,
                e ? f.is3D = !0 : f.is2DArray = !0,
                this._doNotHandleContextLost || (f._bufferView = t),
                e ? this.updateRawTexture3D(f, t, o, l, u, h) : this.updateRawTexture2DArray(f, t, o, l, u, h),
                this._bindTextureDirectly(d, f, !0);
                var _ = this._getSamplingParameters(c, s);
                return this._gl.texParameteri(d, this._gl.TEXTURE_MAG_FILTER, _.mag),
                this._gl.texParameteri(d, this._gl.TEXTURE_MIN_FILTER, _.min),
                s && this._gl.generateMipmap(d),
                this._bindTextureDirectly(d, null),
                this._internalTexturesCache.push(f),
                f
            }
        }
        function oo(e) {
            return function(t, i, n, r, o, s) {
                void 0 === o && (o = null),
                void 0 === s && (s = a.TEXTURETYPE_UNSIGNED_INT);
                var l = e ? this._gl.TEXTURE_3D : this._gl.TEXTURE_2D_ARRAY
                  , c = this._getWebGLTextureType(s)
                  , u = this._getInternalFormat(n)
                  , h = this._getRGBABufferInternalSizedFormat(s, n);
                this._bindTextureDirectly(l, t, !0),
                this._unpackFlipY(void 0 === r || !!r),
                this._doNotHandleContextLost || (t._bufferView = i,
                t.format = n,
                t.invertY = r,
                t._compression = o),
                t.width % 4 != 0 && this._gl.pixelStorei(this._gl.UNPACK_ALIGNMENT, 1),
                o && i ? this._gl.compressedTexImage3D(l, 0, this.getCaps().s3tc[o], t.width, t.height, t.depth, 0, i) : this._gl.texImage3D(l, 0, h, t.width, t.height, t.depth, 0, u, c, i),
                t.generateMipMaps && this._gl.generateMipmap(l),
                this._bindTextureDirectly(l, null),
                t.isReady = !0
            }
        }
        y("BABYLON.Texture", io),
        Ge._TextureParser = io.Parse,
        Ht.prototype.updateRawTexture = function(e, t, i, n, r, o) {
            if (void 0 === r && (r = null),
            void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
            e) {
                var s = this._getRGBABufferInternalSizedFormat(o, i)
                  , l = this._getInternalFormat(i)
                  , c = this._getWebGLTextureType(o);
                this._bindTextureDirectly(this._gl.TEXTURE_2D, e, !0),
                this._unpackFlipY(void 0 === n || !!n),
                this._doNotHandleContextLost || (e._bufferView = t,
                e.format = i,
                e.type = o,
                e.invertY = n,
                e._compression = r),
                e.width % 4 != 0 && this._gl.pixelStorei(this._gl.UNPACK_ALIGNMENT, 1),
                r && t ? this._gl.compressedTexImage2D(this._gl.TEXTURE_2D, 0, this.getCaps().s3tc[r], e.width, e.height, 0, t) : this._gl.texImage2D(this._gl.TEXTURE_2D, 0, s, e.width, e.height, 0, l, c, t),
                e.generateMipMaps && this._gl.generateMipmap(this._gl.TEXTURE_2D),
                this._bindTextureDirectly(this._gl.TEXTURE_2D, null),
                e.isReady = !0
            }
        }
        ,
        Ht.prototype.createRawTexture = function(e, t, i, n, r, o, s, l, c, u) {
            void 0 === l && (l = null),
            void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
            void 0 === u && (u = 0);
            var h = new Lt(this,At.Raw);
            h.baseWidth = t,
            h.baseHeight = i,
            h.width = t,
            h.height = i,
            h.format = n,
            h.generateMipMaps = r,
            h.samplingMode = s,
            h.invertY = o,
            h._compression = l,
            h.type = c,
            this._doNotHandleContextLost || (h._bufferView = e),
            this.updateRawTexture(h, e, n, o, l, c),
            this._bindTextureDirectly(this._gl.TEXTURE_2D, h, !0);
            var d = this._getSamplingParameters(s, r);
            return this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_MAG_FILTER, d.mag),
            this._gl.texParameteri(this._gl.TEXTURE_2D, this._gl.TEXTURE_MIN_FILTER, d.min),
            r && this._gl.generateMipmap(this._gl.TEXTURE_2D),
            this._bindTextureDirectly(this._gl.TEXTURE_2D, null),
            this._internalTexturesCache.push(h),
            h
        }
        ,
        Ht.prototype.createRawCubeTexture = function(e, t, i, n, r, o, s, l) {
            void 0 === l && (l = null);
            var c = this._gl
              , u = new Lt(this,At.CubeRaw);
            u.isCube = !0,
            u.format = i,
            u.type = n,
            this._doNotHandleContextLost || (u._bufferViewArray = e);
            var h = this._getWebGLTextureType(n)
              , d = this._getInternalFormat(i);
            d === c.RGB && (d = c.RGBA),
            h !== c.FLOAT || this._caps.textureFloatLinearFiltering ? h !== this._gl.HALF_FLOAT_OES || this._caps.textureHalfFloatLinearFiltering ? h !== c.FLOAT || this._caps.textureFloatRender ? h !== c.HALF_FLOAT || this._caps.colorBufferFloat || (r = !1,
            K.Warn("Render to half float textures is not supported. Mipmap generation forced to false.")) : (r = !1,
            K.Warn("Render to float textures is not supported. Mipmap generation forced to false.")) : (r = !1,
            s = a.TEXTURE_NEAREST_SAMPLINGMODE,
            K.Warn("Half float texture filtering is not supported. Mipmap generation and sampling mode are forced to false and TEXTURE_NEAREST_SAMPLINGMODE, respectively.")) : (r = !1,
            s = a.TEXTURE_NEAREST_SAMPLINGMODE,
            K.Warn("Float texture filtering is not supported. Mipmap generation and sampling mode are forced to false and TEXTURE_NEAREST_SAMPLINGMODE, respectively."));
            var p = t
              , f = p;
            u.width = p,
            u.height = f,
            !this.needPOTTextures || gi.IsExponentOfTwo(u.width) && gi.IsExponentOfTwo(u.height) || (r = !1),
            e && this.updateRawCubeTexture(u, e, i, n, o, l),
            this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, u, !0),
            e && r && this._gl.generateMipmap(this._gl.TEXTURE_CUBE_MAP);
            var _ = this._getSamplingParameters(s, r);
            return c.texParameteri(c.TEXTURE_CUBE_MAP, c.TEXTURE_MAG_FILTER, _.mag),
            c.texParameteri(c.TEXTURE_CUBE_MAP, c.TEXTURE_MIN_FILTER, _.min),
            c.texParameteri(c.TEXTURE_CUBE_MAP, c.TEXTURE_WRAP_S, c.CLAMP_TO_EDGE),
            c.texParameteri(c.TEXTURE_CUBE_MAP, c.TEXTURE_WRAP_T, c.CLAMP_TO_EDGE),
            this._bindTextureDirectly(c.TEXTURE_CUBE_MAP, null),
            u.generateMipMaps = r,
            u.samplingMode = s,
            u
        }
        ,
        Ht.prototype.updateRawCubeTexture = function(e, t, i, n, r, o, a) {
            void 0 === o && (o = null),
            void 0 === a && (a = 0),
            e._bufferViewArray = t,
            e.format = i,
            e.type = n,
            e.invertY = r,
            e._compression = o;
            var s = this._gl
              , l = this._getWebGLTextureType(n)
              , c = this._getInternalFormat(i)
              , u = this._getRGBABufferInternalSizedFormat(n)
              , h = !1;
            c === s.RGB && (c = s.RGBA,
            h = !0),
            this._bindTextureDirectly(s.TEXTURE_CUBE_MAP, e, !0),
            this._unpackFlipY(void 0 === r || !!r),
            e.width % 4 != 0 && s.pixelStorei(s.UNPACK_ALIGNMENT, 1);
            for (var d = 0; d < 6; d++) {
                var p = t[d];
                o ? s.compressedTexImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X + d, a, this.getCaps().s3tc[o], e.width, e.height, 0, p) : (h && (p = no(p, e.width, e.height, n)),
                s.texImage2D(s.TEXTURE_CUBE_MAP_POSITIVE_X + d, a, u, e.width, e.height, 0, c, l, p))
            }
            (!this.needPOTTextures || gi.IsExponentOfTwo(e.width) && gi.IsExponentOfTwo(e.height)) && e.generateMipMaps && 0 === a && this._gl.generateMipmap(this._gl.TEXTURE_CUBE_MAP),
            this._bindTextureDirectly(this._gl.TEXTURE_CUBE_MAP, null),
            e.isReady = !0
        }
        ,
        Ht.prototype.createRawCubeTextureFromUrl = function(e, t, i, n, r, o, s, l, c, u, h, d) {
            var p = this;
            void 0 === c && (c = null),
            void 0 === u && (u = null),
            void 0 === h && (h = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
            void 0 === d && (d = !1);
            var f = this._gl
              , _ = this.createRawCubeTexture(null, i, n, r, !o, d, h, null);
            return null == t || t._addPendingData(_),
            _.url = e,
            this._internalTexturesCache.push(_),
            this._loadFile(e, (function(e) {
                !function(e) {
                    var i = _.width
                      , o = s(e);
                    if (o) {
                        if (l) {
                            var a = p._getWebGLTextureType(r)
                              , u = p._getInternalFormat(n)
                              , h = p._getRGBABufferInternalSizedFormat(r)
                              , m = !1;
                            u === f.RGB && (u = f.RGBA,
                            m = !0),
                            p._bindTextureDirectly(f.TEXTURE_CUBE_MAP, _, !0),
                            p._unpackFlipY(!1);
                            for (var g = l(o), v = 0; v < g.length; v++)
                                for (var y = i >> v, b = 0; b < 6; b++) {
                                    var T = g[v][b];
                                    m && (T = no(T, y, y, r)),
                                    f.texImage2D(b, v, h, y, y, 0, u, a, T)
                                }
                            p._bindTextureDirectly(f.TEXTURE_CUBE_MAP, null)
                        } else
                            p.updateRawCubeTexture(_, o, n, r, d);
                        _.isReady = !0,
                        null == t || t._removePendingData(_),
                        c && c()
                    }
                }(e)
            }
            ), void 0, null == t ? void 0 : t.offlineProvider, !0, (function(e, i) {
                null == t || t._removePendingData(_),
                u && e && u(e.status + " " + e.statusText, i)
            }
            )),
            _
        }
        ,
        Ht.prototype.createRawTexture2DArray = ro(!1),
        Ht.prototype.createRawTexture3D = ro(!0),
        Ht.prototype.updateRawTexture2DArray = oo(!1),
        Ht.prototype.updateRawTexture3D = oo(!0);
        var ao = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === s && (s = !0),
                void 0 === l && (l = !1),
                void 0 === c && (c = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT);
                var d = e.call(this, null, o, !s, l, void 0, void 0, void 0, void 0, void 0, void 0, void 0, void 0, h) || this;
                return d.format = r,
                d._engine ? (d._engine._caps.textureFloatLinearFiltering || u !== a.TEXTURETYPE_FLOAT || (c = a.TEXTURE_NEAREST_SAMPLINGMODE),
                d._engine._caps.textureHalfFloatLinearFiltering || u !== a.TEXTURETYPE_HALF_FLOAT || (c = a.TEXTURE_NEAREST_SAMPLINGMODE),
                d._texture = d._engine.createRawTexture(t, i, n, r, s, l, c, null, u, null != h ? h : 0),
                d.wrapU = io.CLAMP_ADDRESSMODE,
                d.wrapV = io.CLAMP_ADDRESSMODE,
                d) : d
            }
            return U(t, e),
            t.prototype.update = function(e) {
                this._getEngine().updateRawTexture(this._texture, e, this._texture.format, this._texture.invertY, null, this._texture.type)
            }
            ,
            t.CreateLuminanceTexture = function(e, i, n, r, o, s, l) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                new t(e,i,n,a.TEXTUREFORMAT_LUMINANCE,r,o,s,l)
            }
            ,
            t.CreateLuminanceAlphaTexture = function(e, i, n, r, o, s, l) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                new t(e,i,n,a.TEXTUREFORMAT_LUMINANCE_ALPHA,r,o,s,l)
            }
            ,
            t.CreateAlphaTexture = function(e, i, n, r, o, s, l) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                new t(e,i,n,a.TEXTUREFORMAT_ALPHA,r,o,s,l)
            }
            ,
            t.CreateRGBTexture = function(e, i, n, r, o, s, l, c) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                new t(e,i,n,a.TEXTUREFORMAT_RGB,r,o,s,l,c)
            }
            ,
            t.CreateRGBATexture = function(e, i, n, r, o, s, l, c) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                new t(e,i,n,a.TEXTUREFORMAT_RGBA,r,o,s,l,c)
            }
            ,
            t.CreateRGBAStorageTexture = function(e, i, n, r, o, s, l, c) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                new t(e,i,n,a.TEXTUREFORMAT_RGBA,r,o,s,l,c,a.TEXTURE_CREATIONFLAG_STORAGE)
            }
            ,
            t.CreateRTexture = function(e, i, n, r, o, s, l, c) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = io.TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = a.TEXTURETYPE_FLOAT),
                new t(e,i,n,a.TEXTUREFORMAT_R,r,o,s,l,c)
            }
            ,
            t.CreateRStorageTexture = function(e, i, n, r, o, s, l, c) {
                return void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = io.TRILINEAR_SAMPLINGMODE),
                void 0 === c && (c = a.TEXTURETYPE_FLOAT),
                new t(e,i,n,a.TEXTUREFORMAT_R,r,o,s,l,c,a.TEXTURE_CREATIONFLAG_STORAGE)
            }
            ,
            t
        }(io)
          , so = function() {
            function e(e, t) {
                this._scene = e,
                this._mesh = t
            }
            return e.prototype.bakeVertexData = function(e) {
                return G(this, void 0, void 0, (function() {
                    var t, i, n, r, o, a, s, l;
                    return z(this, (function(c) {
                        switch (c.label) {
                        case 0:
                            if (!this._mesh.skeleton)
                                throw new Error("No skeleton in this mesh.");
                            if (t = this._mesh.skeleton.bones.length,
                            i = e.reduce((function(e, t) {
                                return e + t.to - t.from + 1
                            }
                            ), 0),
                            isNaN(i))
                                throw new Error("Invalid animation ranges.");
                            n = 0,
                            r = new Float32Array(4 * (t + 1) * 4 * i),
                            this._scene.stopAnimation(this._mesh),
                            this._mesh.skeleton.returnToRest(),
                            o = 0,
                            a = e,
                            c.label = 1;
                        case 1:
                            if (!(o < a.length))
                                return [3, 6];
                            s = a[o],
                            l = s.from,
                            c.label = 2;
                        case 2:
                            return l <= s.to ? [4, this._executeAnimationFrame(r, l, n++)] : [3, 5];
                        case 3:
                            c.sent(),
                            c.label = 4;
                        case 4:
                            return l++,
                            [3, 2];
                        case 5:
                            return o++,
                            [3, 1];
                        case 6:
                            return [2, r]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype._executeAnimationFrame = function(e, t, i) {
                return G(this, void 0, void 0, (function() {
                    var n = this;
                    return z(this, (function(r) {
                        return [2, new Promise((function(r, o) {
                            n._scene.beginAnimation(n._mesh.skeleton, t, t, !1, 1, (function() {
                                var t = n._mesh.skeleton.getTransformMatrices(n._mesh);
                                e.set(t, i * t.length),
                                r()
                            }
                            ))
                        }
                        ))]
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.textureFromBakedVertexData = function(e) {
                if (!this._mesh.skeleton)
                    throw new Error("No skeleton in this mesh.");
                var t = this._mesh.skeleton.bones.length
                  , i = ao.CreateRGBATexture(e, 4 * (t + 1), e.length / (4 * (t + 1) * 4), this._scene, !1, !1, io.NEAREST_NEAREST, a.TEXTURETYPE_FLOAT);
                return i.name = "VAT" + this._mesh.skeleton.name,
                i
            }
            ,
            e.prototype.serializeBakedVertexDataToObject = function(e) {
                if (!this._mesh.skeleton)
                    throw new Error("No skeleton in this mesh.");
                var t = this._mesh.skeleton.bones.length
                  , i = 4 * (t + 1)
                  , n = e.length / (4 * (t + 1) * 4);
                return {
                    vertexData: le(e),
                    width: i,
                    height: n
                }
            }
            ,
            e.prototype.loadBakedVertexDataFromObject = function(e) {
                return new Float32Array(ue(e.vertexData))
            }
            ,
            e.prototype.serializeBakedVertexDataToJSON = function(e) {
                return JSON.stringify(this.serializeBakedVertexDataToObject(e))
            }
            ,
            e.prototype.loadBakedVertexDataFromJSON = function(e) {
                return this.loadBakedVertexDataFromObject(JSON.parse(e))
            }
            ,
            e
        }()
          , lo = function() {
            function e() {
                this._zoomStopsAnimation = !1,
                this._idleRotationSpeed = .05,
                this._idleRotationWaitTime = 2e3,
                this._idleRotationSpinupTime = 2e3,
                this._isPointerDown = !1,
                this._lastFrameTime = null,
                this._lastInteractionTime = -1 / 0,
                this._cameraRotationSpeed = 0,
                this._lastFrameRadius = 0
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "AutoRotation"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "zoomStopsAnimation", {
                get: function() {
                    return this._zoomStopsAnimation
                },
                set: function(e) {
                    this._zoomStopsAnimation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "idleRotationSpeed", {
                get: function() {
                    return this._idleRotationSpeed
                },
                set: function(e) {
                    this._idleRotationSpeed = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "idleRotationWaitTime", {
                get: function() {
                    return this._idleRotationWaitTime
                },
                set: function(e) {
                    this._idleRotationWaitTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "idleRotationSpinupTime", {
                get: function() {
                    return this._idleRotationSpinupTime
                },
                set: function(e) {
                    this._idleRotationSpinupTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rotationInProgress", {
                get: function() {
                    return Math.abs(this._cameraRotationSpeed) > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e) {
                var t = this;
                this._attachedCamera = e;
                var i = this._attachedCamera.getScene();
                this._onPrePointerObservableObserver = i.onPrePointerObservable.add((function(e) {
                    e.type !== Xi.POINTERDOWN ? e.type === Xi.POINTERUP && (t._isPointerDown = !1) : t._isPointerDown = !0
                }
                )),
                this._onAfterCheckInputsObserver = e.onAfterCheckInputsObservable.add((function() {
                    var e = ct.Now
                      , i = 0;
                    null != t._lastFrameTime && (i = e - t._lastFrameTime),
                    t._lastFrameTime = e,
                    t._applyUserInteraction();
                    var n = e - t._lastInteractionTime - t._idleRotationWaitTime
                      , r = Math.max(Math.min(n / t._idleRotationSpinupTime, 1), 0);
                    t._cameraRotationSpeed = t._idleRotationSpeed * r,
                    t._attachedCamera && (t._attachedCamera.alpha -= t._cameraRotationSpeed * (i / 1e3))
                }
                ))
            }
            ,
            e.prototype.detach = function() {
                if (this._attachedCamera) {
                    var e = this._attachedCamera.getScene();
                    this._onPrePointerObservableObserver && e.onPrePointerObservable.remove(this._onPrePointerObservableObserver),
                    this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver),
                    this._attachedCamera = null
                }
            }
            ,
            e.prototype.resetLastInteractionTime = function(e) {
                this._lastInteractionTime = null != e ? e : ct.Now
            }
            ,
            e.prototype._userIsZooming = function() {
                return !!this._attachedCamera && 0 !== this._attachedCamera.inertialRadiusOffset
            }
            ,
            e.prototype._shouldAnimationStopForInteraction = function() {
                if (!this._attachedCamera)
                    return !1;
                var e = !1;
                return this._lastFrameRadius === this._attachedCamera.radius && 0 !== this._attachedCamera.inertialRadiusOffset && (e = !0),
                this._lastFrameRadius = this._attachedCamera.radius,
                this._zoomStopsAnimation ? e : this._userIsZooming()
            }
            ,
            e.prototype._applyUserInteraction = function() {
                this._userIsMoving() && !this._shouldAnimationStopForInteraction() && (this._lastInteractionTime = ct.Now)
            }
            ,
            e.prototype._userIsMoving = function() {
                return !!this._attachedCamera && (0 !== this._attachedCamera.inertialAlphaOffset || 0 !== this._attachedCamera.inertialBetaOffset || 0 !== this._attachedCamera.inertialRadiusOffset || 0 !== this._attachedCamera.inertialPanningX || 0 !== this._attachedCamera.inertialPanningY || this._isPointerDown)
            }
            ,
            e
        }()
          , co = function() {
            function e() {
                this.transitionDuration = 450,
                this.lowerRadiusTransitionRange = 2,
                this.upperRadiusTransitionRange = -2,
                this._autoTransitionRange = !1,
                this._radiusIsAnimating = !1,
                this._radiusBounceTransition = null,
                this._animatables = new Array
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "Bouncing"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "autoTransitionRange", {
                get: function() {
                    return this._autoTransitionRange
                },
                set: function(e) {
                    var t = this;
                    if (this._autoTransitionRange !== e) {
                        this._autoTransitionRange = e;
                        var i = this._attachedCamera;
                        i && (e ? this._onMeshTargetChangedObserver = i.onMeshTargetChangedObservable.add((function(e) {
                            if (e) {
                                e.computeWorldMatrix(!0);
                                var i = e.getBoundingInfo().diagonalLength;
                                t.lowerRadiusTransitionRange = .05 * i,
                                t.upperRadiusTransitionRange = .05 * i
                            }
                        }
                        )) : this._onMeshTargetChangedObserver && i.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e) {
                var t = this;
                this._attachedCamera = e,
                this._onAfterCheckInputsObserver = e.onAfterCheckInputsObservable.add((function() {
                    t._attachedCamera && (t._isRadiusAtLimit(t._attachedCamera.lowerRadiusLimit) && t._applyBoundRadiusAnimation(t.lowerRadiusTransitionRange),
                    t._isRadiusAtLimit(t._attachedCamera.upperRadiusLimit) && t._applyBoundRadiusAnimation(t.upperRadiusTransitionRange))
                }
                ))
            }
            ,
            e.prototype.detach = function() {
                this._attachedCamera && (this._onAfterCheckInputsObserver && this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver),
                this._onMeshTargetChangedObserver && this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver),
                this._attachedCamera = null)
            }
            ,
            e.prototype._isRadiusAtLimit = function(e) {
                return !!this._attachedCamera && this._attachedCamera.radius === e && !this._radiusIsAnimating
            }
            ,
            e.prototype._applyBoundRadiusAnimation = function(t) {
                var i = this;
                if (this._attachedCamera) {
                    this._radiusBounceTransition || (e.EasingFunction.setEasingMode(e.EasingMode),
                    this._radiusBounceTransition = Qe.CreateAnimation("radius", Qe.ANIMATIONTYPE_FLOAT, 60, e.EasingFunction)),
                    this._cachedWheelPrecision = this._attachedCamera.wheelPrecision,
                    this._attachedCamera.wheelPrecision = 1 / 0,
                    this._attachedCamera.inertialRadiusOffset = 0,
                    this.stopAllAnimations(),
                    this._radiusIsAnimating = !0;
                    var n = Qe.TransitionTo("radius", this._attachedCamera.radius + t, this._attachedCamera, this._attachedCamera.getScene(), 60, this._radiusBounceTransition, this.transitionDuration, (function() {
                        return i._clearAnimationLocks()
                    }
                    ));
                    n && this._animatables.push(n)
                }
            }
            ,
            e.prototype._clearAnimationLocks = function() {
                this._radiusIsAnimating = !1,
                this._attachedCamera && (this._attachedCamera.wheelPrecision = this._cachedWheelPrecision)
            }
            ,
            e.prototype.stopAllAnimations = function() {
                for (this._attachedCamera && (this._attachedCamera.animations = []); this._animatables.length; )
                    this._animatables[0].onAnimationEnd = null,
                    this._animatables[0].stop(),
                    this._animatables.shift()
            }
            ,
            e.EasingFunction = new On(.3),
            e.EasingMode = Mn.EASINGMODE_EASEOUT,
            e
        }()
          , uo = function() {
            function e() {
                this.onTargetFramingAnimationEndObservable = new h,
                this._mode = e.FitFrustumSidesMode,
                this._radiusScale = 1,
                this._positionScale = .5,
                this._defaultElevation = .3,
                this._elevationReturnTime = 1500,
                this._elevationReturnWaitTime = 1e3,
                this._zoomStopsAnimation = !1,
                this._framingTime = 1500,
                this.autoCorrectCameraLimitsAndSensibility = !0,
                this._isPointerDown = !1,
                this._lastInteractionTime = -1 / 0,
                this._animatables = new Array,
                this._betaIsAnimating = !1
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "Framing"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mode", {
                get: function() {
                    return this._mode
                },
                set: function(e) {
                    this._mode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "radiusScale", {
                get: function() {
                    return this._radiusScale
                },
                set: function(e) {
                    this._radiusScale = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "positionScale", {
                get: function() {
                    return this._positionScale
                },
                set: function(e) {
                    this._positionScale = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "defaultElevation", {
                get: function() {
                    return this._defaultElevation
                },
                set: function(e) {
                    this._defaultElevation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "elevationReturnTime", {
                get: function() {
                    return this._elevationReturnTime
                },
                set: function(e) {
                    this._elevationReturnTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "elevationReturnWaitTime", {
                get: function() {
                    return this._elevationReturnWaitTime
                },
                set: function(e) {
                    this._elevationReturnWaitTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "zoomStopsAnimation", {
                get: function() {
                    return this._zoomStopsAnimation
                },
                set: function(e) {
                    this._zoomStopsAnimation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "framingTime", {
                get: function() {
                    return this._framingTime
                },
                set: function(e) {
                    this._framingTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(t) {
                var i = this;
                this._attachedCamera = t;
                var n = this._attachedCamera.getScene();
                e.EasingFunction.setEasingMode(e.EasingMode),
                this._onPrePointerObservableObserver = n.onPrePointerObservable.add((function(e) {
                    e.type !== Xi.POINTERDOWN ? e.type === Xi.POINTERUP && (i._isPointerDown = !1) : i._isPointerDown = !0
                }
                )),
                this._onMeshTargetChangedObserver = t.onMeshTargetChangedObservable.add((function(e) {
                    e && i.zoomOnMesh(e, void 0, (function() {
                        i.onTargetFramingAnimationEndObservable.notifyObservers()
                    }
                    ))
                }
                )),
                this._onAfterCheckInputsObserver = t.onAfterCheckInputsObservable.add((function() {
                    i._applyUserInteraction(),
                    i._maintainCameraAboveGround()
                }
                ))
            }
            ,
            e.prototype.detach = function() {
                if (this._attachedCamera) {
                    var e = this._attachedCamera.getScene();
                    this._onPrePointerObservableObserver && e.onPrePointerObservable.remove(this._onPrePointerObservableObserver),
                    this._onAfterCheckInputsObserver && this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver),
                    this._onMeshTargetChangedObserver && this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver),
                    this._attachedCamera = null
                }
            }
            ,
            e.prototype.zoomOnMesh = function(e, t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = null),
                e.computeWorldMatrix(!0);
                var n = e.getBoundingInfo().boundingBox;
                this.zoomOnBoundingInfo(n.minimumWorld, n.maximumWorld, t, i)
            }
            ,
            e.prototype.zoomOnMeshHierarchy = function(e, t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = null),
                e.computeWorldMatrix(!0);
                var n = e.getHierarchyBoundingVectors(!0);
                this.zoomOnBoundingInfo(n.min, n.max, t, i)
            }
            ,
            e.prototype.zoomOnMeshesHierarchy = function(e, t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = null);
                for (var n = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE), r = new x(-Number.MAX_VALUE,-Number.MAX_VALUE,-Number.MAX_VALUE), o = 0; o < e.length; o++) {
                    var a = e[o].getHierarchyBoundingVectors(!0);
                    x.CheckExtends(a.min, n, r),
                    x.CheckExtends(a.max, n, r)
                }
                this.zoomOnBoundingInfo(n, r, t, i)
            }
            ,
            e.prototype.zoomOnBoundingInfo = function(t, i, n, r) {
                var o, a = this;
                if (void 0 === n && (n = !1),
                void 0 === r && (r = null),
                this._attachedCamera) {
                    var s = t.y
                      , l = s + (i.y - s) * this._positionScale
                      , c = i.subtract(t).scale(.5);
                    if (n)
                        o = new x(0,l,0);
                    else {
                        var u = t.add(c);
                        o = new x(u.x,l,u.z)
                    }
                    this._vectorTransition || (this._vectorTransition = Qe.CreateAnimation("target", Qe.ANIMATIONTYPE_VECTOR3, 60, e.EasingFunction)),
                    this._betaIsAnimating = !0;
                    var h = Qe.TransitionTo("target", o, this._attachedCamera, this._attachedCamera.getScene(), 60, this._vectorTransition, this._framingTime);
                    h && this._animatables.push(h);
                    var d = 0;
                    if (this._mode === e.FitFrustumSidesMode) {
                        var p = this._calculateLowerRadiusFromModelBoundingSphere(t, i);
                        this.autoCorrectCameraLimitsAndSensibility && (this._attachedCamera.lowerRadiusLimit = c.length() + this._attachedCamera.minZ),
                        d = p
                    } else
                        this._mode === e.IgnoreBoundsSizeMode && (d = this._calculateLowerRadiusFromModelBoundingSphere(t, i),
                        this.autoCorrectCameraLimitsAndSensibility && null === this._attachedCamera.lowerRadiusLimit && (this._attachedCamera.lowerRadiusLimit = this._attachedCamera.minZ));
                    if (this.autoCorrectCameraLimitsAndSensibility) {
                        var f = i.subtract(t).length();
                        this._attachedCamera.panningSensibility = 5e3 / f,
                        this._attachedCamera.wheelPrecision = 100 / d
                    }
                    this._radiusTransition || (this._radiusTransition = Qe.CreateAnimation("radius", Qe.ANIMATIONTYPE_FLOAT, 60, e.EasingFunction)),
                    (h = Qe.TransitionTo("radius", d, this._attachedCamera, this._attachedCamera.getScene(), 60, this._radiusTransition, this._framingTime, (function() {
                        a.stopAllAnimations(),
                        r && r(),
                        a._attachedCamera && a._attachedCamera.useInputToRestoreState && a._attachedCamera.storeState()
                    }
                    ))) && this._animatables.push(h)
                }
            }
            ,
            e.prototype._calculateLowerRadiusFromModelBoundingSphere = function(t, i) {
                var n = i.subtract(t).length()
                  , r = this._getFrustumSlope()
                  , o = .5 * n * this._radiusScale
                  , a = o * Math.sqrt(1 + 1 / (r.x * r.x))
                  , s = o * Math.sqrt(1 + 1 / (r.y * r.y))
                  , l = Math.max(a, s)
                  , c = this._attachedCamera;
                return c ? (c.lowerRadiusLimit && this._mode === e.IgnoreBoundsSizeMode && (l = l < c.lowerRadiusLimit ? c.lowerRadiusLimit : l),
                c.upperRadiusLimit && (l = l > c.upperRadiusLimit ? c.upperRadiusLimit : l),
                l) : 0
            }
            ,
            e.prototype._maintainCameraAboveGround = function() {
                var t = this;
                if (!(this._elevationReturnTime < 0)) {
                    var i = ct.Now - this._lastInteractionTime
                      , n = .5 * Math.PI - this._defaultElevation
                      , r = .5 * Math.PI;
                    if (this._attachedCamera && !this._betaIsAnimating && this._attachedCamera.beta > r && i >= this._elevationReturnWaitTime) {
                        this._betaIsAnimating = !0,
                        this.stopAllAnimations(),
                        this._betaTransition || (this._betaTransition = Qe.CreateAnimation("beta", Qe.ANIMATIONTYPE_FLOAT, 60, e.EasingFunction));
                        var o = Qe.TransitionTo("beta", n, this._attachedCamera, this._attachedCamera.getScene(), 60, this._betaTransition, this._elevationReturnTime, (function() {
                            t._clearAnimationLocks(),
                            t.stopAllAnimations()
                        }
                        ));
                        o && this._animatables.push(o)
                    }
                }
            }
            ,
            e.prototype._getFrustumSlope = function() {
                var e = this._attachedCamera;
                if (!e)
                    return A.Zero();
                var t = e.getScene().getEngine().getAspectRatio(e)
                  , i = Math.tan(e.fov / 2);
                return new A(i * t,i)
            }
            ,
            e.prototype._clearAnimationLocks = function() {
                this._betaIsAnimating = !1
            }
            ,
            e.prototype._applyUserInteraction = function() {
                this.isUserIsMoving && (this._lastInteractionTime = ct.Now,
                this.stopAllAnimations(),
                this._clearAnimationLocks())
            }
            ,
            e.prototype.stopAllAnimations = function() {
                for (this._attachedCamera && (this._attachedCamera.animations = []); this._animatables.length; )
                    this._animatables[0] && (this._animatables[0].onAnimationEnd = null,
                    this._animatables[0].stop()),
                    this._animatables.shift()
            }
            ,
            Object.defineProperty(e.prototype, "isUserIsMoving", {
                get: function() {
                    return !!this._attachedCamera && (0 !== this._attachedCamera.inertialAlphaOffset || 0 !== this._attachedCamera.inertialBetaOffset || 0 !== this._attachedCamera.inertialRadiusOffset || 0 !== this._attachedCamera.inertialPanningX || 0 !== this._attachedCamera.inertialPanningY || this._isPointerDown)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.EasingFunction = new Fn,
            e.EasingMode = Mn.EASINGMODE_EASEINOUT,
            e.IgnoreBoundsSizeMode = 0,
            e.FitFrustumSidesMode = 1,
            e
        }()
          , ho = function(e, t, i, n) {
            void 0 === t && (t = new x),
            void 0 === i && (i = 0),
            void 0 === n && (n = !1),
            this.direction = e,
            this.rotatedDirection = t,
            this.diff = i,
            this.ignore = n
        }
          , po = function() {
            function e(e) {
                this._ui = e,
                this.name = "AttachToBoxBehavior",
                this.distanceAwayFromFace = .15,
                this.distanceAwayFromBottomOfFace = .15,
                this._faceVectors = [new ho(x.Up()), new ho(x.Down()), new ho(x.Left()), new ho(x.Right()), new ho(x.Forward()), new ho(x.Forward().scaleInPlace(-1))],
                this._tmpMatrix = new P,
                this._tmpVector = new x,
                this._zeroVector = x.Zero(),
                this._lookAtTmpMatrix = new P
            }
            return e.prototype.init = function() {}
            ,
            e.prototype._closestFace = function(e) {
                var t = this;
                return this._faceVectors.forEach((function(i) {
                    t._target.rotationQuaternion || (t._target.rotationQuaternion = C.RotationYawPitchRoll(t._target.rotation.y, t._target.rotation.x, t._target.rotation.z)),
                    t._target.rotationQuaternion.toRotationMatrix(t._tmpMatrix),
                    x.TransformCoordinatesToRef(i.direction, t._tmpMatrix, i.rotatedDirection),
                    i.diff = x.GetAngleBetweenVectors(i.rotatedDirection, e, x.Cross(i.rotatedDirection, e))
                }
                )),
                this._faceVectors.reduce((function(e, t) {
                    return e.ignore ? t : t.ignore || e.diff < t.diff ? e : t
                }
                ), this._faceVectors[0])
            }
            ,
            e.prototype._lookAtToRef = function(e, t, i) {
                void 0 === t && (t = new x(0,1,0)),
                P.LookAtLHToRef(this._zeroVector, e, t, this._lookAtTmpMatrix),
                this._lookAtTmpMatrix.invert(),
                C.FromRotationMatrixToRef(this._lookAtTmpMatrix, i)
            }
            ,
            e.prototype.attach = function(e) {
                var t = this;
                this._target = e,
                this._scene = this._target.getScene(),
                this._onRenderObserver = this._scene.onBeforeRenderObservable.add((function() {
                    if (t._scene.activeCamera) {
                        var i = t._scene.activeCamera.position;
                        t._scene.activeCamera.devicePosition && (i = t._scene.activeCamera.devicePosition);
                        var n = t._closestFace(i.subtract(e.position));
                        t._scene.activeCamera.leftCamera ? t._scene.activeCamera.leftCamera.computeWorldMatrix().getRotationMatrixToRef(t._tmpMatrix) : t._scene.activeCamera.computeWorldMatrix().getRotationMatrixToRef(t._tmpMatrix),
                        x.TransformCoordinatesToRef(x.Up(), t._tmpMatrix, t._tmpVector),
                        t._faceVectors.forEach((function(e) {
                            n.direction.x && e.direction.x && (e.ignore = !0),
                            n.direction.y && e.direction.y && (e.ignore = !0),
                            n.direction.z && e.direction.z && (e.ignore = !0)
                        }
                        ));
                        var r = t._closestFace(t._tmpVector);
                        t._faceVectors.forEach((function(e) {
                            e.ignore = !1
                        }
                        )),
                        t._ui.position.copyFrom(e.position),
                        n.direction.x && (n.rotatedDirection.scaleToRef(e.scaling.x / 2 + t.distanceAwayFromFace, t._tmpVector),
                        t._ui.position.addInPlace(t._tmpVector)),
                        n.direction.y && (n.rotatedDirection.scaleToRef(e.scaling.y / 2 + t.distanceAwayFromFace, t._tmpVector),
                        t._ui.position.addInPlace(t._tmpVector)),
                        n.direction.z && (n.rotatedDirection.scaleToRef(e.scaling.z / 2 + t.distanceAwayFromFace, t._tmpVector),
                        t._ui.position.addInPlace(t._tmpVector)),
                        t._ui.rotationQuaternion || (t._ui.rotationQuaternion = C.RotationYawPitchRoll(t._ui.rotation.y, t._ui.rotation.x, t._ui.rotation.z)),
                        n.rotatedDirection.scaleToRef(-1, t._tmpVector),
                        t._lookAtToRef(t._tmpVector, r.rotatedDirection, t._ui.rotationQuaternion),
                        r.direction.x && t._ui.up.scaleToRef(t.distanceAwayFromBottomOfFace - e.scaling.x / 2, t._tmpVector),
                        r.direction.y && t._ui.up.scaleToRef(t.distanceAwayFromBottomOfFace - e.scaling.y / 2, t._tmpVector),
                        r.direction.z && t._ui.up.scaleToRef(t.distanceAwayFromBottomOfFace - e.scaling.z / 2, t._tmpVector),
                        t._ui.position.addInPlace(t._tmpVector)
                    }
                }
                ))
            }
            ,
            e.prototype.detach = function() {
                this._scene.onBeforeRenderObservable.remove(this._onRenderObserver)
            }
            ,
            e
        }()
          , fo = function() {
            function e() {
                var e = this;
                this.delay = 0,
                this.fadeInTime = 300,
                this._millisecondsPerFrame = 1e3 / 60,
                this._hovered = !1,
                this._hoverValue = 0,
                this._ownerNode = null,
                this._update = function() {
                    if (e._ownerNode) {
                        if (e._hoverValue += e._hovered ? e._millisecondsPerFrame : -e._millisecondsPerFrame,
                        e._setAllVisibility(e._ownerNode, (e._hoverValue - e.delay) / e.fadeInTime),
                        e._ownerNode.visibility > 1)
                            return e._setAllVisibility(e._ownerNode, 1),
                            void (e._hoverValue = e.fadeInTime + e.delay);
                        if (e._ownerNode.visibility < 0 && (e._setAllVisibility(e._ownerNode, 0),
                        e._hoverValue < 0))
                            return void (e._hoverValue = 0);
                        setTimeout(e._update, e._millisecondsPerFrame)
                    }
                }
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "FadeInOut"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e) {
                this._ownerNode = e,
                this._setAllVisibility(this._ownerNode, 0)
            }
            ,
            e.prototype.detach = function() {
                this._ownerNode = null
            }
            ,
            e.prototype.fadeIn = function(e) {
                this._hovered = e,
                this._update()
            }
            ,
            e.prototype._setAllVisibility = function(e, t) {
                var i = this;
                e.visibility = t,
                e.getChildMeshes().forEach((function(e) {
                    i._setAllVisibility(e, t)
                }
                ))
            }
            ,
            e
        }()
          , _o = function() {
            function e(e, t, i) {
                void 0 === i && (i = Number.MAX_VALUE),
                this.origin = e,
                this.direction = t,
                this.length = i
            }
            return e.prototype.clone = function() {
                return new e(this.origin.clone(),this.direction.clone(),this.length)
            }
            ,
            e.prototype.intersectsBoxMinMax = function(t, i, n) {
                void 0 === n && (n = 0);
                var r, o, a, s, l = e._TmpVector3[0].copyFromFloats(t.x - n, t.y - n, t.z - n), c = e._TmpVector3[1].copyFromFloats(i.x + n, i.y + n, i.z + n), u = 0, h = Number.MAX_VALUE;
                if (Math.abs(this.direction.x) < 1e-7) {
                    if (this.origin.x < l.x || this.origin.x > c.x)
                        return !1
                } else if (r = 1 / this.direction.x,
                o = (l.x - this.origin.x) * r,
                (a = (c.x - this.origin.x) * r) == -1 / 0 && (a = 1 / 0),
                o > a && (s = o,
                o = a,
                a = s),
                (u = Math.max(o, u)) > (h = Math.min(a, h)))
                    return !1;
                if (Math.abs(this.direction.y) < 1e-7) {
                    if (this.origin.y < l.y || this.origin.y > c.y)
                        return !1
                } else if (r = 1 / this.direction.y,
                o = (l.y - this.origin.y) * r,
                (a = (c.y - this.origin.y) * r) == -1 / 0 && (a = 1 / 0),
                o > a && (s = o,
                o = a,
                a = s),
                (u = Math.max(o, u)) > (h = Math.min(a, h)))
                    return !1;
                if (Math.abs(this.direction.z) < 1e-7) {
                    if (this.origin.z < l.z || this.origin.z > c.z)
                        return !1
                } else if (r = 1 / this.direction.z,
                o = (l.z - this.origin.z) * r,
                (a = (c.z - this.origin.z) * r) == -1 / 0 && (a = 1 / 0),
                o > a && (s = o,
                o = a,
                a = s),
                (u = Math.max(o, u)) > (h = Math.min(a, h)))
                    return !1;
                return !0
            }
            ,
            e.prototype.intersectsBox = function(e, t) {
                return void 0 === t && (t = 0),
                this.intersectsBoxMinMax(e.minimum, e.maximum, t)
            }
            ,
            e.prototype.intersectsSphere = function(e, t) {
                void 0 === t && (t = 0);
                var i = e.center.x - this.origin.x
                  , n = e.center.y - this.origin.y
                  , r = e.center.z - this.origin.z
                  , o = i * i + n * n + r * r
                  , a = e.radius + t
                  , s = a * a;
                if (o <= s)
                    return !0;
                var l = i * this.direction.x + n * this.direction.y + r * this.direction.z;
                return !(l < 0) && o - l * l <= s
            }
            ,
            e.prototype.intersectsTriangle = function(t, i, n) {
                var r = e._TmpVector3[0]
                  , o = e._TmpVector3[1]
                  , a = e._TmpVector3[2]
                  , s = e._TmpVector3[3]
                  , l = e._TmpVector3[4];
                i.subtractToRef(t, r),
                n.subtractToRef(t, o),
                x.CrossToRef(this.direction, o, a);
                var c = x.Dot(r, a);
                if (0 === c)
                    return null;
                var u = 1 / c;
                this.origin.subtractToRef(t, s);
                var h = x.Dot(s, a) * u;
                if (h < 0 || h > 1)
                    return null;
                x.CrossToRef(s, r, l);
                var d = x.Dot(this.direction, l) * u;
                if (d < 0 || h + d > 1)
                    return null;
                var p = x.Dot(o, l) * u;
                return p > this.length ? null : new er(1 - h - d,h,p)
            }
            ,
            e.prototype.intersectsPlane = function(e) {
                var t, i = x.Dot(e.normal, this.direction);
                if (Math.abs(i) < 9.99999997475243e-7)
                    return null;
                var n = x.Dot(e.normal, this.origin);
                return (t = (-e.d - n) / i) < 0 ? t < -9.99999997475243e-7 ? null : 0 : t
            }
            ,
            e.prototype.intersectsAxis = function(e, t) {
                switch (void 0 === t && (t = 0),
                e) {
                case "y":
                    return (i = (this.origin.y - t) / this.direction.y) > 0 ? null : new x(this.origin.x + this.direction.x * -i,t,this.origin.z + this.direction.z * -i);
                case "x":
                    return (i = (this.origin.x - t) / this.direction.x) > 0 ? null : new x(t,this.origin.y + this.direction.y * -i,this.origin.z + this.direction.z * -i);
                case "z":
                    var i;
                    return (i = (this.origin.z - t) / this.direction.z) > 0 ? null : new x(this.origin.x + this.direction.x * -i,this.origin.y + this.direction.y * -i,t);
                default:
                    return null
                }
            }
            ,
            e.prototype.intersectsMesh = function(t, i) {
                var n = I.Matrix[0];
                return t.getWorldMatrix().invertToRef(n),
                this._tmpRay ? e.TransformToRef(this, n, this._tmpRay) : this._tmpRay = e.Transform(this, n),
                t.intersects(this._tmpRay, i)
            }
            ,
            e.prototype.intersectsMeshes = function(e, t, i) {
                i ? i.length = 0 : i = [];
                for (var n = 0; n < e.length; n++) {
                    var r = this.intersectsMesh(e[n], t);
                    r.hit && i.push(r)
                }
                return i.sort(this._comparePickingInfo),
                i
            }
            ,
            e.prototype._comparePickingInfo = function(e, t) {
                return e.distance < t.distance ? -1 : e.distance > t.distance ? 1 : 0
            }
            ,
            e.prototype.intersectionSegment = function(t, i, n) {
                var r = this.origin
                  , o = I.Vector3[0]
                  , a = I.Vector3[1]
                  , s = I.Vector3[2]
                  , l = I.Vector3[3];
                i.subtractToRef(t, o),
                this.direction.scaleToRef(e._Rayl, s),
                r.addToRef(s, a),
                t.subtractToRef(r, l);
                var c, u, h = x.Dot(o, o), d = x.Dot(o, s), p = x.Dot(s, s), f = x.Dot(o, l), _ = x.Dot(s, l), m = h * p - d * d, g = m, v = m;
                m < e._Smallnum ? (c = 0,
                g = 1,
                u = _,
                v = p) : (u = h * _ - d * f,
                (c = d * _ - p * f) < 0 ? (c = 0,
                u = _,
                v = p) : c > g && (c = g,
                u = _ + d,
                v = p)),
                u < 0 ? (u = 0,
                -f < 0 ? c = 0 : -f > h ? c = g : (c = -f,
                g = h)) : u > v && (u = v,
                -f + d < 0 ? c = 0 : -f + d > h ? c = g : (c = -f + d,
                g = h));
                var y = Math.abs(c) < e._Smallnum ? 0 : c / g
                  , b = Math.abs(u) < e._Smallnum ? 0 : u / v
                  , T = I.Vector3[4];
                s.scaleToRef(b, T);
                var E = I.Vector3[5];
                o.scaleToRef(y, E),
                E.addInPlace(l);
                var S = I.Vector3[6];
                return E.subtractToRef(T, S),
                b > 0 && b <= this.length && S.lengthSquared() < n * n ? E.length() : -1
            }
            ,
            e.prototype.update = function(t, i, n, r, o, a, s, l) {
                if (void 0 === l && (l = !1),
                l) {
                    e._RayDistant || (e._RayDistant = e.Zero()),
                    e._RayDistant.unprojectRayToRef(t, i, n, r, P.IdentityReadOnly, a, s);
                    var c = I.Matrix[0];
                    o.invertToRef(c),
                    e.TransformToRef(e._RayDistant, c, this)
                } else
                    this.unprojectRayToRef(t, i, n, r, o, a, s);
                return this
            }
            ,
            e.Zero = function() {
                return new e(x.Zero(),x.Zero())
            }
            ,
            e.CreateNew = function(t, i, n, r, o, a, s) {
                return e.Zero().update(t, i, n, r, o, a, s)
            }
            ,
            e.CreateNewFromTo = function(t, i, n) {
                void 0 === n && (n = P.IdentityReadOnly);
                var r = i.subtract(t)
                  , o = Math.sqrt(r.x * r.x + r.y * r.y + r.z * r.z);
                return r.normalize(),
                e.Transform(new e(t,r,o), n)
            }
            ,
            e.Transform = function(t, i) {
                var n = new e(new x(0,0,0),new x(0,0,0));
                return e.TransformToRef(t, i, n),
                n
            }
            ,
            e.TransformToRef = function(e, t, i) {
                x.TransformCoordinatesToRef(e.origin, t, i.origin),
                x.TransformNormalToRef(e.direction, t, i.direction),
                i.length = e.length;
                var n = i.direction
                  , r = n.length();
                if (0 !== r && 1 !== r) {
                    var o = 1 / r;
                    n.x *= o,
                    n.y *= o,
                    n.z *= o,
                    i.length *= r
                }
            }
            ,
            e.prototype.unprojectRayToRef = function(e, t, i, n, r, o, a) {
                var s, l = I.Matrix[0];
                r.multiplyToRef(o, l),
                l.multiplyToRef(a, l),
                l.invert();
                var c = I.Vector3[0];
                c.x = e / i * 2 - 1,
                c.y = -(t / n * 2 - 1),
                c.z = (null === (s = E.LastCreatedEngine) || void 0 === s ? void 0 : s.isNDCHalfZRange) ? 0 : -1;
                var u = I.Vector3[1].copyFromFloats(c.x, c.y, 1 - 1e-8)
                  , h = I.Vector3[2]
                  , d = I.Vector3[3];
                x._UnprojectFromInvertedMatrixToRef(c, l, h),
                x._UnprojectFromInvertedMatrixToRef(u, l, d),
                this.origin.copyFrom(h),
                d.subtractToRef(h, this.direction),
                this.direction.normalize()
            }
            ,
            e._TmpVector3 = g.BuildArray(6, x.Zero),
            e._RayDistant = e.Zero(),
            e._Smallnum = 1e-8,
            e._Rayl = 1e9,
            e
        }();
        mn.prototype.createPickingRay = function(e, t, i, n, r) {
            void 0 === r && (r = !1);
            var o = _o.Zero();
            return this.createPickingRayToRef(e, t, i, o, n, r),
            o
        }
        ,
        mn.prototype.createPickingRayToRef = function(e, t, i, n, r, o, a) {
            void 0 === o && (o = !1),
            void 0 === a && (a = !1);
            var s = this.getEngine();
            if (!r) {
                if (!this.activeCamera)
                    return this;
                r = this.activeCamera
            }
            var l = r.viewport.toGlobal(s.getRenderWidth(), s.getRenderHeight());
            return e = e / s.getHardwareScalingLevel() - l.x,
            t = t / s.getHardwareScalingLevel() - (s.getRenderHeight() - l.y - l.height),
            n.update(e, t, l.width, l.height, i || P.IdentityReadOnly, o ? P.IdentityReadOnly : r.getViewMatrix(), r.getProjectionMatrix(), a),
            this
        }
        ,
        mn.prototype.createPickingRayInCameraSpace = function(e, t, i) {
            var n = _o.Zero();
            return this.createPickingRayInCameraSpaceToRef(e, t, n, i),
            n
        }
        ,
        mn.prototype.createPickingRayInCameraSpaceToRef = function(e, t, i, n) {
            if (!Ui)
                return this;
            var r = this.getEngine();
            if (!n) {
                if (!this.activeCamera)
                    throw new Error("Active camera not set");
                n = this.activeCamera
            }
            var o = n.viewport.toGlobal(r.getRenderWidth(), r.getRenderHeight())
              , a = P.Identity();
            return e = e / r.getHardwareScalingLevel() - o.x,
            t = t / r.getHardwareScalingLevel() - (r.getRenderHeight() - o.y - o.height),
            i.update(e, t, o.width, o.height, a, a, n.getProjectionMatrix()),
            this
        }
        ,
        mn.prototype._internalPickForMesh = function(e, t, i, n, r, o, a, s) {
            var l = t(n, i.enableDistantPicking)
              , c = i.intersects(l, r, a, o, n, s);
            return c && c.hit ? !r && null != e && c.distance >= e.distance ? null : c : null
        }
        ,
        mn.prototype._internalPick = function(e, t, i, n, r) {
            if (!Ui)
                return null;
            for (var o = null, a = 0; a < this.meshes.length; a++) {
                var s = this.meshes[a];
                if (t) {
                    if (!t(s))
                        continue
                } else if (!s.isEnabled() || !s.isVisible || !s.isPickable)
                    continue;
                var l, c = s.getWorldMatrix();
                if (s.hasThinInstances && s.thinInstanceEnablePicking) {
                    if (l = this._internalPickForMesh(o, e, s, c, !0, !0, r)) {
                        if (n)
                            return l;
                        for (var u = I.Matrix[1], h = s.thinInstanceGetWorldMatrices(), d = 0; d < h.length; d++) {
                            h[d].multiplyToRef(c, u);
                            var p = this._internalPickForMesh(o, e, s, u, i, n, r, !0);
                            if (p && ((o = p).thinInstanceIndex = d,
                            i))
                                return o
                        }
                    }
                } else if ((l = this._internalPickForMesh(o, e, s, c, i, n, r)) && (o = l,
                i))
                    return o
            }
            return o || new Ui
        }
        ,
        mn.prototype._internalMultiPick = function(e, t, i) {
            if (!Ui)
                return null;
            for (var n = new Array, r = 0; r < this.meshes.length; r++) {
                var o = this.meshes[r];
                if (t) {
                    if (!t(o))
                        continue
                } else if (!o.isEnabled() || !o.isVisible || !o.isPickable)
                    continue;
                var a, s = o.getWorldMatrix();
                if (o.hasThinInstances && o.thinInstanceEnablePicking) {
                    if (a = this._internalPickForMesh(null, e, o, s, !0, !0, i))
                        for (var l = I.Matrix[1], c = o.thinInstanceGetWorldMatrices(), u = 0; u < c.length; u++) {
                            c[u].multiplyToRef(s, l);
                            var h = this._internalPickForMesh(null, e, o, l, !1, !1, i, !0);
                            h && (h.thinInstanceIndex = u,
                            n.push(h))
                        }
                } else
                    (a = this._internalPickForMesh(null, e, o, s, !1, !1, i)) && n.push(a)
            }
            return n
        }
        ,
        mn.prototype.pickWithBoundingInfo = function(e, t, i, n, r) {
            var o = this;
            if (!Ui)
                return null;
            var a = this._internalPick((function(i) {
                return o._tempPickingRay || (o._tempPickingRay = _o.Zero()),
                o.createPickingRayToRef(e, t, i, o._tempPickingRay, r || null),
                o._tempPickingRay
            }
            ), i, n, !0);
            return a && (a.ray = this.createPickingRay(e, t, P.Identity(), r || null)),
            a
        }
        ,
        mn.prototype.pick = function(e, t, i, n, r, o, a) {
            var s = this;
            if (void 0 === a && (a = !1),
            !Ui)
                return null;
            var l = this._internalPick((function(i, n) {
                return s._tempPickingRay || (s._tempPickingRay = _o.Zero()),
                s.createPickingRayToRef(e, t, i, s._tempPickingRay, r || null, !1, n),
                s._tempPickingRay
            }
            ), i, n, !1, o);
            return l && (l.ray = this.createPickingRay(e, t, P.Identity(), r || null)),
            l
        }
        ,
        mn.prototype.pickWithRay = function(e, t, i, n) {
            var r = this
              , o = this._internalPick((function(t) {
                return r._pickWithRayInverseMatrix || (r._pickWithRayInverseMatrix = P.Identity()),
                t.invertToRef(r._pickWithRayInverseMatrix),
                r._cachedRayForTransform || (r._cachedRayForTransform = _o.Zero()),
                _o.TransformToRef(e, r._pickWithRayInverseMatrix, r._cachedRayForTransform),
                r._cachedRayForTransform
            }
            ), t, i, !1, n);
            return o && (o.ray = e),
            o
        }
        ,
        mn.prototype.multiPick = function(e, t, i, n, r) {
            var o = this;
            return this._internalMultiPick((function(i) {
                return o.createPickingRay(e, t, i, n || null)
            }
            ), i, r)
        }
        ,
        mn.prototype.multiPickWithRay = function(e, t, i) {
            var n = this;
            return this._internalMultiPick((function(t) {
                return n._pickWithRayInverseMatrix || (n._pickWithRayInverseMatrix = P.Identity()),
                t.invertToRef(n._pickWithRayInverseMatrix),
                n._cachedRayForTransform || (n._cachedRayForTransform = _o.Zero()),
                _o.TransformToRef(e, n._pickWithRayInverseMatrix, n._cachedRayForTransform),
                n._cachedRayForTransform
            }
            ), t, i)
        }
        ,
        Rr.prototype.getForwardRay = function(e, t, i) {
            return void 0 === e && (e = 100),
            this.getForwardRayToRef(new _o(x.Zero(),x.Zero(),e), e, t, i)
        }
        ,
        Rr.prototype.getForwardRayToRef = function(e, t, i, n) {
            return void 0 === t && (t = 100),
            i || (i = this.getWorldMatrix()),
            e.length = t,
            n ? e.origin.copyFrom(n) : e.origin.copyFrom(this.position),
            I.Vector3[2].set(0, 0, this._scene.useRightHandedSystem ? -1 : 1),
            x.TransformNormalToRef(I.Vector3[2], i, I.Vector3[3]),
            x.NormalizeToRef(I.Vector3[3], e.direction),
            e
        }
        ;
        var mo = function() {
            function e() {}
            return e._RemoveAndStorePivotPoint = function(t) {
                t && 0 === e._PivotCached && (t.getPivotPointToRef(e._OldPivotPoint),
                e._PivotPostMultiplyPivotMatrix = t._postMultiplyPivotMatrix,
                e._OldPivotPoint.equalsToFloats(0, 0, 0) || (t.setPivotMatrix(P.IdentityReadOnly),
                e._OldPivotPoint.subtractToRef(t.getPivotPoint(), e._PivotTranslation),
                e._PivotTmpVector.copyFromFloats(1, 1, 1),
                e._PivotTmpVector.subtractInPlace(t.scaling),
                e._PivotTmpVector.multiplyInPlace(e._PivotTranslation),
                t.position.addInPlace(e._PivotTmpVector))),
                e._PivotCached++
            }
            ,
            e._RestorePivotPoint = function(t) {
                t && !e._OldPivotPoint.equalsToFloats(0, 0, 0) && 1 === e._PivotCached && (t.setPivotPoint(e._OldPivotPoint),
                t._postMultiplyPivotMatrix = e._PivotPostMultiplyPivotMatrix,
                e._PivotTmpVector.copyFromFloats(1, 1, 1),
                e._PivotTmpVector.subtractInPlace(t.scaling),
                e._PivotTmpVector.multiplyInPlace(e._PivotTranslation),
                t.position.subtractInPlace(e._PivotTmpVector)),
                this._PivotCached--
            }
            ,
            e._PivotCached = 0,
            e._OldPivotPoint = new x,
            e._PivotTranslation = new x,
            e._PivotTmpVector = new x,
            e._PivotPostMultiplyPivotMatrix = !1,
            e
        }();
        function go(e) {
            var t = []
              , i = []
              , n = []
              , r = []
              , o = e.width || e.size || 1
              , a = e.height || e.size || 1
              , s = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE
              , l = o / 2
              , c = a / 2;
            i.push(-l, -c, 0),
            n.push(0, 0, -1),
            r.push(0, pr.UseOpenGLOrientationForUV ? 1 : 0),
            i.push(l, -c, 0),
            n.push(0, 0, -1),
            r.push(1, pr.UseOpenGLOrientationForUV ? 1 : 0),
            i.push(l, c, 0),
            n.push(0, 0, -1),
            r.push(1, pr.UseOpenGLOrientationForUV ? 0 : 1),
            i.push(-l, c, 0),
            n.push(0, 0, -1),
            r.push(0, pr.UseOpenGLOrientationForUV ? 0 : 1),
            t.push(0),
            t.push(1),
            t.push(2),
            t.push(0),
            t.push(2),
            t.push(3),
            $n._ComputeSides(s, i, t, n, r, e.frontUVs, e.backUVs);
            var u = new $n;
            return u.indices = t,
            u.positions = i,
            u.normals = n,
            u.uvs = r,
            u
        }
        function vo(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            go(t).applyToMesh(n, t.updatable),
            t.sourcePlane && (n.translate(t.sourcePlane.normal, -t.sourcePlane.d),
            n.setDirection(t.sourcePlane.normal.scale(-1))),
            n
        }
        var yo = {
            CreatePlane: vo
        };
        $n.CreatePlane = go,
        Vr.CreatePlane = function(e, t, i, n, r) {
            return vo(e, {
                size: t,
                width: t,
                height: t,
                sideOrientation: r,
                updatable: n
            }, i)
        }
        ;
        var bo, To, Eo, So, Ao = function() {
            function e(e) {
                this._useAlternatePickedPointAboveMaxDragAngleDragSpeed = -1.1,
                this.maxDragAngle = 0,
                this._useAlternatePickedPointAboveMaxDragAngle = !1,
                this.currentDraggingPointerId = -1,
                this.dragging = !1,
                this.dragDeltaRatio = .2,
                this.updateDragPlane = !0,
                this._debugMode = !1,
                this._moving = !1,
                this.onDragObservable = new h,
                this.onDragStartObservable = new h,
                this.onDragEndObservable = new h,
                this.onEnabledObservable = new h,
                this.moveAttached = !0,
                this._enabled = !0,
                this.startAndReleaseDragOnPointerEvents = !0,
                this.detachCameraControls = !0,
                this.useObjectOrientationForDragging = !0,
                this.validateDrag = function(e) {
                    return !0
                }
                ,
                this._tmpVector = new x(0,0,0),
                this._alternatePickedPoint = new x(0,0,0),
                this._worldDragAxis = new x(0,0,0),
                this._targetPosition = new x(0,0,0),
                this._attachedToElement = !1,
                this._startDragRay = new _o(new x,new x),
                this._lastPointerRay = {},
                this._dragDelta = new x,
                this._pointA = new x(0,0,0),
                this._pointC = new x(0,0,0),
                this._localAxis = new x(0,0,0),
                this._lookAt = new x(0,0,0),
                this._options = e || {};
                var t = 0;
                if (this._options.dragAxis && t++,
                this._options.dragPlaneNormal && t++,
                t > 1)
                    throw "Multiple drag modes specified in dragBehavior options. Only one expected"
            }
            return Object.defineProperty(e.prototype, "currentDraggingPointerID", {
                get: function() {
                    return this.currentDraggingPointerId
                },
                set: function(e) {
                    this.currentDraggingPointerId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    e != this._enabled && this.onEnabledObservable.notifyObservers(e),
                    this._enabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "options", {
                get: function() {
                    return this._options
                },
                set: function(e) {
                    this._options = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "PointerDrag"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(t, i) {
                var n = this;
                this._scene = t.getScene(),
                t.isNearGrabbable = !0,
                this.attachedNode = t,
                e._PlaneScene || (this._debugMode ? e._PlaneScene = this._scene : (e._PlaneScene = new mn(this._scene.getEngine(),{
                    virtual: !0
                }),
                e._PlaneScene.detachControl(),
                this._scene.onDisposeObservable.addOnce((function() {
                    e._PlaneScene.dispose(),
                    e._PlaneScene = null
                }
                )))),
                this._dragPlane = vo("pointerDragPlane", {
                    size: this._debugMode ? 1 : 1e4,
                    updatable: !1,
                    sideOrientation: Vr.DOUBLESIDE
                }, e._PlaneScene),
                this.lastDragPosition = new x(0,0,0);
                var r = i || function(e) {
                    return n.attachedNode == e || e.isDescendantOf(n.attachedNode)
                }
                ;
                this._pointerObserver = this._scene.onPointerObservable.add((function(t) {
                    if (n.enabled) {
                        if (t.type == Xi.POINTERDOWN)
                            n.startAndReleaseDragOnPointerEvents && !n.dragging && t.pickInfo && t.pickInfo.hit && t.pickInfo.pickedMesh && t.pickInfo.pickedPoint && t.pickInfo.ray && r(t.pickInfo.pickedMesh) && n._startDrag(t.event.pointerId, t.pickInfo.ray, t.pickInfo.pickedPoint);
                        else if (t.type == Xi.POINTERUP)
                            n.startAndReleaseDragOnPointerEvents && n.currentDraggingPointerId == t.event.pointerId && n.releaseDrag();
                        else if (t.type == Xi.POINTERMOVE) {
                            var i = t.event.pointerId;
                            if (n.currentDraggingPointerId === e._AnyMouseId && i !== e._AnyMouseId) {
                                var o = t.event;
                                ("mouse" === o.pointerType || !n._scene.getEngine().hostInformation.isMobile && o instanceof MouseEvent) && (n._lastPointerRay[n.currentDraggingPointerId] && (n._lastPointerRay[i] = n._lastPointerRay[n.currentDraggingPointerId],
                                delete n._lastPointerRay[n.currentDraggingPointerId]),
                                n.currentDraggingPointerId = i)
                            }
                            n._lastPointerRay[i] || (n._lastPointerRay[i] = new _o(new x,new x)),
                            t.pickInfo && t.pickInfo.ray && (n._lastPointerRay[i].origin.copyFrom(t.pickInfo.ray.origin),
                            n._lastPointerRay[i].direction.copyFrom(t.pickInfo.ray.direction),
                            n.currentDraggingPointerId == i && n.dragging && n._moveDrag(t.pickInfo.ray))
                        }
                    } else
                        n._attachedToElement && n.releaseDrag()
                }
                )),
                this._beforeRenderObserver = this._scene.onBeforeRenderObservable.add((function() {
                    if (n._moving && n.moveAttached) {
                        var e = !1;
                        mo._RemoveAndStorePivotPoint(n.attachedNode),
                        n._targetPosition.subtractToRef(n.attachedNode.absolutePosition, n._tmpVector),
                        n._tmpVector.scaleInPlace(n.dragDeltaRatio),
                        n.attachedNode.getAbsolutePosition().addToRef(n._tmpVector, n._tmpVector),
                        n.validateDrag(n._tmpVector) && (n.attachedNode.setAbsolutePosition(n._tmpVector),
                        e = !0),
                        mo._RestorePivotPoint(n.attachedNode),
                        e && n.attachedNode.computeWorldMatrix()
                    }
                }
                ))
            }
            ,
            e.prototype.releaseDrag = function() {
                if (this.dragging && (this.dragging = !1,
                this.onDragEndObservable.notifyObservers({
                    dragPlanePoint: this.lastDragPosition,
                    pointerId: this.currentDraggingPointerId
                })),
                this.currentDraggingPointerId = -1,
                this._moving = !1,
                this.detachCameraControls && this._attachedToElement && this._scene.activeCamera && !this._scene.activeCamera.leftCamera) {
                    if ("ArcRotateCamera" === this._scene.activeCamera.getClassName()) {
                        var e = this._scene.activeCamera;
                        e.attachControl(!e.inputs || e.inputs.noPreventDefault, e._useCtrlForPanning, e._panningMouseButton)
                    } else
                        this._scene.activeCamera.attachControl(!this._scene.activeCamera.inputs || this._scene.activeCamera.inputs.noPreventDefault);
                    this._attachedToElement = !1
                }
            }
            ,
            e.prototype.startDrag = function(t, i, n) {
                void 0 === t && (t = e._AnyMouseId),
                this._startDrag(t, i, n);
                var r = this._lastPointerRay[t];
                t === e._AnyMouseId && (r = this._lastPointerRay[Object.keys(this._lastPointerRay)[0]]),
                r && this._moveDrag(r)
            }
            ,
            e.prototype._startDrag = function(e, t, i) {
                if (this._scene.activeCamera && !this.dragging && this.attachedNode) {
                    mo._RemoveAndStorePivotPoint(this.attachedNode),
                    t ? (this._startDragRay.direction.copyFrom(t.direction),
                    this._startDragRay.origin.copyFrom(t.origin)) : (this._startDragRay.origin.copyFrom(this._scene.activeCamera.position),
                    this.attachedNode.getWorldMatrix().getTranslationToRef(this._tmpVector),
                    this._tmpVector.subtractToRef(this._scene.activeCamera.position, this._startDragRay.direction)),
                    this._updateDragPlanePosition(this._startDragRay, i || this._tmpVector);
                    var n = this._pickWithRayOnDragPlane(this._startDragRay);
                    n && (this.dragging = !0,
                    this.currentDraggingPointerId = e,
                    this.lastDragPosition.copyFrom(n),
                    this.onDragStartObservable.notifyObservers({
                        dragPlanePoint: n,
                        pointerId: this.currentDraggingPointerId
                    }),
                    this._targetPosition.copyFrom(this.attachedNode.getAbsolutePosition()),
                    this.detachCameraControls && this._scene.activeCamera && this._scene.activeCamera.inputs && !this._scene.activeCamera.leftCamera && (this._scene.activeCamera.inputs.attachedToElement ? (this._scene.activeCamera.detachControl(),
                    this._attachedToElement = !0) : this._attachedToElement = !1)),
                    mo._RestorePivotPoint(this.attachedNode)
                }
            }
            ,
            e.prototype._moveDrag = function(e) {
                this._moving = !0;
                var t = this._pickWithRayOnDragPlane(e);
                if (t) {
                    mo._RemoveAndStorePivotPoint(this.attachedNode),
                    this.updateDragPlane && this._updateDragPlanePosition(e, t);
                    var i = 0;
                    this._options.dragAxis ? (this.useObjectOrientationForDragging ? x.TransformCoordinatesToRef(this._options.dragAxis, this.attachedNode.getWorldMatrix().getRotationMatrix(), this._worldDragAxis) : this._worldDragAxis.copyFrom(this._options.dragAxis),
                    t.subtractToRef(this.lastDragPosition, this._tmpVector),
                    i = x.Dot(this._tmpVector, this._worldDragAxis),
                    this._worldDragAxis.scaleToRef(i, this._dragDelta)) : (i = this._dragDelta.length(),
                    t.subtractToRef(this.lastDragPosition, this._dragDelta)),
                    this._targetPosition.addInPlace(this._dragDelta),
                    this.onDragObservable.notifyObservers({
                        dragDistance: i,
                        delta: this._dragDelta,
                        dragPlanePoint: t,
                        dragPlaneNormal: this._dragPlane.forward,
                        pointerId: this.currentDraggingPointerId
                    }),
                    this.lastDragPosition.copyFrom(t),
                    mo._RestorePivotPoint(this.attachedNode)
                }
            }
            ,
            e.prototype._pickWithRayOnDragPlane = function(t) {
                var i = this;
                if (!t)
                    return null;
                var n = Math.acos(x.Dot(this._dragPlane.forward, t.direction));
                if (n > Math.PI / 2 && (n = Math.PI - n),
                this.maxDragAngle > 0 && n > this.maxDragAngle) {
                    if (this._useAlternatePickedPointAboveMaxDragAngle) {
                        this._tmpVector.copyFrom(t.direction),
                        this.attachedNode.absolutePosition.subtractToRef(t.origin, this._alternatePickedPoint),
                        this._alternatePickedPoint.normalize(),
                        this._alternatePickedPoint.scaleInPlace(this._useAlternatePickedPointAboveMaxDragAngleDragSpeed * x.Dot(this._alternatePickedPoint, this._tmpVector)),
                        this._tmpVector.addInPlace(this._alternatePickedPoint);
                        var r = x.Dot(this._dragPlane.forward, this._tmpVector);
                        return this._dragPlane.forward.scaleToRef(-r, this._alternatePickedPoint),
                        this._alternatePickedPoint.addInPlace(this._tmpVector),
                        this._alternatePickedPoint.addInPlace(this.attachedNode.absolutePosition),
                        this._alternatePickedPoint
                    }
                    return null
                }
                var o = e._PlaneScene.pickWithRay(t, (function(e) {
                    return e == i._dragPlane
                }
                ));
                return o && o.hit && o.pickedMesh && o.pickedPoint ? o.pickedPoint : null
            }
            ,
            e.prototype._updateDragPlanePosition = function(e, t) {
                this._pointA.copyFrom(t),
                this._options.dragAxis ? (this.useObjectOrientationForDragging ? x.TransformCoordinatesToRef(this._options.dragAxis, this.attachedNode.getWorldMatrix().getRotationMatrix(), this._localAxis) : this._localAxis.copyFrom(this._options.dragAxis),
                e.origin.subtractToRef(this._pointA, this._pointC),
                this._pointC.normalize(),
                Math.abs(x.Dot(this._localAxis, this._pointC)) > .999 ? Math.abs(x.Dot(x.UpReadOnly, this._pointC)) > .999 ? this._lookAt.copyFrom(x.Right()) : this._lookAt.copyFrom(x.UpReadOnly) : (x.CrossToRef(this._localAxis, this._pointC, this._lookAt),
                x.CrossToRef(this._localAxis, this._lookAt, this._lookAt),
                this._lookAt.normalize()),
                this._dragPlane.position.copyFrom(this._pointA),
                this._pointA.addToRef(this._lookAt, this._lookAt),
                this._dragPlane.lookAt(this._lookAt)) : this._options.dragPlaneNormal ? (this.useObjectOrientationForDragging ? x.TransformCoordinatesToRef(this._options.dragPlaneNormal, this.attachedNode.getWorldMatrix().getRotationMatrix(), this._localAxis) : this._localAxis.copyFrom(this._options.dragPlaneNormal),
                this._dragPlane.position.copyFrom(this._pointA),
                this._pointA.addToRef(this._localAxis, this._lookAt),
                this._dragPlane.lookAt(this._lookAt)) : (this._dragPlane.position.copyFrom(this._pointA),
                this._dragPlane.lookAt(e.origin)),
                this._dragPlane.position.copyFrom(this.attachedNode.getAbsolutePosition()),
                this._dragPlane.computeWorldMatrix(!0)
            }
            ,
            e.prototype.detach = function() {
                this.attachedNode && (this.attachedNode.isNearGrabbable = !1),
                this._pointerObserver && this._scene.onPointerObservable.remove(this._pointerObserver),
                this._beforeRenderObserver && this._scene.onBeforeRenderObservable.remove(this._beforeRenderObserver),
                this._dragPlane && this._dragPlane.dispose(),
                this.releaseDrag()
            }
            ,
            e._AnyMouseId = -2,
            e
        }(), xo = function() {
            function e() {
                this._startDistance = 0,
                this._initialScale = new x(0,0,0),
                this._targetScale = new x(0,0,0),
                this._sceneRenderObserver = null,
                this._dragBehaviorA = new Ao({}),
                this._dragBehaviorA.moveAttached = !1,
                this._dragBehaviorB = new Ao({}),
                this._dragBehaviorB.moveAttached = !1
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "MultiPointerScale"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype._getCurrentDistance = function() {
                return this._dragBehaviorA.lastDragPosition.subtract(this._dragBehaviorB.lastDragPosition).length()
            }
            ,
            e.prototype.attach = function(e) {
                var t = this;
                this._ownerNode = e,
                this._dragBehaviorA.onDragStartObservable.add((function() {
                    t._dragBehaviorA.dragging && t._dragBehaviorB.dragging && (t._dragBehaviorA.currentDraggingPointerId == t._dragBehaviorB.currentDraggingPointerId ? t._dragBehaviorA.releaseDrag() : (t._initialScale.copyFrom(e.scaling),
                    t._startDistance = t._getCurrentDistance()))
                }
                )),
                this._dragBehaviorB.onDragStartObservable.add((function() {
                    t._dragBehaviorA.dragging && t._dragBehaviorB.dragging && (t._dragBehaviorA.currentDraggingPointerId == t._dragBehaviorB.currentDraggingPointerId ? t._dragBehaviorB.releaseDrag() : (t._initialScale.copyFrom(e.scaling),
                    t._startDistance = t._getCurrentDistance()))
                }
                )),
                [this._dragBehaviorA, this._dragBehaviorB].forEach((function(e) {
                    e.onDragObservable.add((function() {
                        if (t._dragBehaviorA.dragging && t._dragBehaviorB.dragging) {
                            var e = t._getCurrentDistance() / t._startDistance;
                            t._initialScale.scaleToRef(e, t._targetScale)
                        }
                    }
                    ))
                }
                )),
                e.addBehavior(this._dragBehaviorA),
                e.addBehavior(this._dragBehaviorB),
                this._sceneRenderObserver = e.getScene().onBeforeRenderObservable.add((function() {
                    if (t._dragBehaviorA.dragging && t._dragBehaviorB.dragging) {
                        var i = t._targetScale.subtract(e.scaling).scaleInPlace(.1);
                        i.length() > .01 && e.scaling.addInPlace(i)
                    }
                }
                ))
            }
            ,
            e.prototype.detach = function() {
                var e = this;
                this._ownerNode.getScene().onBeforeRenderObservable.remove(this._sceneRenderObserver),
                [this._dragBehaviorA, this._dragBehaviorB].forEach((function(t) {
                    t.onDragStartObservable.clear(),
                    t.onDragObservable.clear(),
                    e._ownerNode.removeBehavior(t)
                }
                ))
            }
            ,
            e
        }(), Ro = function() {
            function e() {
                this._attachedToElement = !1,
                this._virtualMeshesInfo = {},
                this._tmpVector = new x,
                this._tmpQuaternion = new C,
                this._dragType = {
                    NONE: 0,
                    DRAG: 1,
                    DRAG_WITH_CONTROLLER: 2,
                    NEAR_DRAG: 3
                },
                this._moving = !1,
                this._dragging = this._dragType.NONE,
                this.draggableMeshes = null,
                this.zDragFactor = 3,
                this.currentDraggingPointerIds = [],
                this.detachCameraControls = !0,
                this.onDragStartObservable = new h,
                this.onDragObservable = new h,
                this.onDragEndObservable = new h,
                this.allowMultiPointer = !0
            }
            return Object.defineProperty(e.prototype, "currentDraggingPointerId", {
                get: function() {
                    return void 0 !== this.currentDraggingPointerIds[0] ? this.currentDraggingPointerIds[0] : -1
                },
                set: function(e) {
                    this.currentDraggingPointerIds[0] = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentDraggingPointerID", {
                get: function() {
                    return this.currentDraggingPointerId
                },
                set: function(e) {
                    this.currentDraggingPointerId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "BaseSixDofDrag"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isMoving", {
                get: function() {
                    return this._moving
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            Object.defineProperty(e.prototype, "_pointerCamera", {
                get: function() {
                    return this._scene.cameraToUseForPointers ? this._scene.cameraToUseForPointers : this._scene.activeCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createVirtualMeshInfo = function() {
                var t = new Sr("",e._virtualScene);
                t.rotationQuaternion = new C;
                var i = new Sr("",e._virtualScene);
                i.rotationQuaternion = new C;
                var n = new Sr("",e._virtualScene);
                return n.rotationQuaternion = new C,
                {
                    dragging: !1,
                    moving: !1,
                    dragMesh: t,
                    originMesh: i,
                    pivotMesh: n,
                    startingPivotPosition: new x,
                    startingPivotOrientation: new C,
                    startingPosition: new x,
                    startingOrientation: new C,
                    lastOriginPosition: new x,
                    lastDragPosition: new x
                }
            }
            ,
            e.prototype._resetVirtualMeshesPosition = function() {
                for (var e = 0; e < this.currentDraggingPointerIds.length; e++)
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].pivotMesh.position.copyFrom(this._ownerNode.getAbsolutePivotPoint()),
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].pivotMesh.rotationQuaternion.copyFrom(this._ownerNode.rotationQuaternion),
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].startingPivotPosition.copyFrom(this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].pivotMesh.position),
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].startingPivotOrientation.copyFrom(this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].pivotMesh.rotationQuaternion),
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].startingPosition.copyFrom(this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].dragMesh.position),
                    this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].startingOrientation.copyFrom(this._virtualMeshesInfo[this.currentDraggingPointerIds[e]].dragMesh.rotationQuaternion)
            }
            ,
            e.prototype._pointerUpdate2D = function(e, t, i) {
                !this._pointerCamera || this._pointerCamera.cameraRigMode != Rr.RIG_MODE_NONE || this._pointerCamera._isLeftCamera || this._pointerCamera._isRightCamera || (e.origin.copyFrom(this._pointerCamera.globalPosition),
                i = 0);
                var n = this._virtualMeshesInfo[t]
                  , r = I.Vector3[0];
                e.origin.subtractToRef(n.lastOriginPosition, r),
                n.lastOriginPosition.copyFrom(e.origin);
                var o = -x.Dot(r, e.direction);
                n.originMesh.addChild(n.dragMesh),
                n.originMesh.addChild(n.pivotMesh),
                this._applyZOffset(n.dragMesh, o, i),
                this._applyZOffset(n.pivotMesh, o, i),
                n.originMesh.position.copyFrom(e.origin);
                var a = I.Vector3[0];
                e.origin.addToRef(e.direction, a),
                n.originMesh.lookAt(a),
                n.originMesh.removeChild(n.dragMesh),
                n.originMesh.removeChild(n.pivotMesh)
            }
            ,
            e.prototype._pointerUpdateXR = function(e, t, i, n) {
                var r = this._virtualMeshesInfo[i];
                if (r.originMesh.position.copyFrom(e.position),
                this._dragging === this._dragType.NEAR_DRAG && t ? r.originMesh.rotationQuaternion.copyFrom(t.rotationQuaternion) : r.originMesh.rotationQuaternion.copyFrom(e.rotationQuaternion),
                r.pivotMesh.computeWorldMatrix(!0),
                r.dragMesh.computeWorldMatrix(!0),
                0 !== n) {
                    var o = I.Vector3[0]
                      , a = I.Vector3[1];
                    o.copyFrom(this._pointerCamera.getForwardRay().direction),
                    r.originMesh.position.subtractToRef(r.lastOriginPosition, a),
                    r.lastOriginPosition.copyFrom(r.originMesh.position);
                    var s = a.length();
                    a.normalize();
                    var l = I.Vector3[2]
                      , c = I.Vector3[3];
                    r.dragMesh.absolutePosition.subtractToRef(this._pointerCamera.globalPosition, l),
                    r.dragMesh.absolutePosition.subtractToRef(r.originMesh.position, c);
                    var u = c.length();
                    l.normalize(),
                    c.normalize();
                    var h = Math.abs(x.Dot(a, c)) * x.Dot(a, o) * n * s * u;
                    h < 0 && .01 - u > h && (h = Math.min(.01 - u, 0)),
                    c.scaleInPlace(h),
                    c.addToRef(r.pivotMesh.absolutePosition, this._tmpVector),
                    r.pivotMesh.setAbsolutePosition(this._tmpVector),
                    c.addToRef(r.dragMesh.absolutePosition, this._tmpVector),
                    r.dragMesh.setAbsolutePosition(this._tmpVector)
                }
            }
            ,
            e.prototype.attach = function(t) {
                var i = this;
                this._ownerNode = t,
                this._scene = this._ownerNode.getScene(),
                e._virtualScene || (e._virtualScene = new mn(this._scene.getEngine(),{
                    virtual: !0
                }),
                e._virtualScene.detachControl()),
                this._pointerObserver = this._scene.onPointerObservable.add((function(e) {
                    var t = e.event.pointerId;
                    i._virtualMeshesInfo[t] || (i._virtualMeshesInfo[t] = i._createVirtualMeshInfo());
                    var n, r = i._virtualMeshesInfo[t], o = "xr" === e.event.pointerType;
                    if (e.type == Xi.POINTERDOWN) {
                        if (!r.dragging && e.pickInfo && e.pickInfo.hit && e.pickInfo.pickedMesh && e.pickInfo.pickedPoint && e.pickInfo.ray && (!o || e.pickInfo.aimTransform) && (n = e.pickInfo.pickedMesh,
                        i._ownerNode === n || n.isDescendantOf(i._ownerNode) && (!i.draggableMeshes || -1 !== i.draggableMeshes.indexOf(n)))) {
                            if (!i.allowMultiPointer && i.currentDraggingPointerIds.length > 0)
                                return;
                            !i._pointerCamera || i._pointerCamera.cameraRigMode !== Rr.RIG_MODE_NONE || i._pointerCamera._isLeftCamera || i._pointerCamera._isRightCamera || e.pickInfo.ray.origin.copyFrom(i._pointerCamera.globalPosition),
                            i._ownerNode.computeWorldMatrix(!0);
                            var a = i._virtualMeshesInfo[t];
                            o ? (i._dragging = e.pickInfo.originMesh ? i._dragType.NEAR_DRAG : i._dragType.DRAG_WITH_CONTROLLER,
                            a.originMesh.position.copyFrom(e.pickInfo.aimTransform.position),
                            i._dragging === i._dragType.NEAR_DRAG && e.pickInfo.gripTransform ? a.originMesh.rotationQuaternion.copyFrom(e.pickInfo.gripTransform.rotationQuaternion) : a.originMesh.rotationQuaternion.copyFrom(e.pickInfo.aimTransform.rotationQuaternion)) : (i._dragging = i._dragType.DRAG,
                            a.originMesh.position.copyFrom(e.pickInfo.ray.origin)),
                            a.lastOriginPosition.copyFrom(a.originMesh.position),
                            a.dragMesh.position.copyFrom(e.pickInfo.pickedPoint),
                            a.lastDragPosition.copyFrom(e.pickInfo.pickedPoint),
                            a.pivotMesh.position.copyFrom(i._ownerNode.getAbsolutePivotPoint()),
                            a.pivotMesh.rotationQuaternion.copyFrom(i._ownerNode.absoluteRotationQuaternion),
                            a.startingPosition.copyFrom(a.dragMesh.position),
                            a.startingPivotPosition.copyFrom(a.pivotMesh.position),
                            a.startingOrientation.copyFrom(a.dragMesh.rotationQuaternion),
                            a.startingPivotOrientation.copyFrom(a.pivotMesh.rotationQuaternion),
                            o ? (a.originMesh.addChild(a.dragMesh),
                            a.originMesh.addChild(a.pivotMesh)) : a.originMesh.lookAt(a.dragMesh.position),
                            a.dragging = !0,
                            -1 === i.currentDraggingPointerIds.indexOf(t) && i.currentDraggingPointerIds.push(t),
                            i.detachCameraControls && i._pointerCamera && !i._pointerCamera.leftCamera && (i._pointerCamera.inputs && i._pointerCamera.inputs.attachedToElement ? (i._pointerCamera.detachControl(),
                            i._attachedToElement = !0) : i._attachedToElement = !1),
                            i._targetDragStart(a.pivotMesh.position, a.pivotMesh.rotationQuaternion, t),
                            i.onDragStartObservable.notifyObservers({
                                position: a.pivotMesh.position
                            })
                        }
                    } else if (e.type == Xi.POINTERUP || e.type == Xi.POINTERDOUBLETAP) {
                        var s = i.currentDraggingPointerIds.indexOf(t);
                        r.dragging = !1,
                        -1 !== s && (i.currentDraggingPointerIds.splice(s, 1),
                        0 === i.currentDraggingPointerIds.length && (i._moving = !1,
                        i._dragging = i._dragType.NONE,
                        i.detachCameraControls && i._attachedToElement && i._pointerCamera && !i._pointerCamera.leftCamera && (i._pointerCamera.attachControl(!0),
                        i._attachedToElement = !1)),
                        r.originMesh.removeChild(r.dragMesh),
                        r.originMesh.removeChild(r.pivotMesh),
                        i._targetDragEnd(t),
                        i.onDragEndObservable.notifyObservers({}))
                    } else if (e.type == Xi.POINTERMOVE && -1 !== (s = i.currentDraggingPointerIds.indexOf(t)) && r.dragging && e.pickInfo && (e.pickInfo.ray || e.pickInfo.aimTransform)) {
                        var l = i.zDragFactor;
                        (i.currentDraggingPointerIds.length > 1 || e.pickInfo.originMesh) && (l = 0),
                        i._ownerNode.computeWorldMatrix(!0),
                        o ? i._pointerUpdateXR(e.pickInfo.aimTransform, e.pickInfo.gripTransform, t, l) : i._pointerUpdate2D(e.pickInfo.ray, t, l),
                        i._tmpQuaternion.copyFrom(r.startingPivotOrientation),
                        i._tmpQuaternion.x = -i._tmpQuaternion.x,
                        i._tmpQuaternion.y = -i._tmpQuaternion.y,
                        i._tmpQuaternion.z = -i._tmpQuaternion.z,
                        r.pivotMesh.absoluteRotationQuaternion.multiplyToRef(i._tmpQuaternion, i._tmpQuaternion),
                        r.pivotMesh.absolutePosition.subtractToRef(r.startingPivotPosition, i._tmpVector),
                        i.onDragObservable.notifyObservers({
                            delta: i._tmpVector,
                            position: r.pivotMesh.position,
                            pickInfo: e.pickInfo
                        }),
                        i._targetDrag(i._tmpVector, i._tmpQuaternion, t),
                        r.lastDragPosition.copyFrom(r.dragMesh.absolutePosition),
                        i._moving = !0
                    }
                }
                ))
            }
            ,
            e.prototype._applyZOffset = function(e, t, i) {
                e.position.z -= e.position.z < 1 ? t * i : t * i * e.position.z,
                e.position.z < 0 && (e.position.z = 0)
            }
            ,
            e.prototype._targetDragStart = function(e, t, i) {}
            ,
            e.prototype._targetDrag = function(e, t, i) {}
            ,
            e.prototype._targetDragEnd = function(e) {}
            ,
            e.prototype.detach = function() {
                for (var e in this._scene && (this.detachCameraControls && this._attachedToElement && this._pointerCamera && !this._pointerCamera.leftCamera && (this._pointerCamera.attachControl(!0),
                this._attachedToElement = !1),
                this._scene.onPointerObservable.remove(this._pointerObserver)),
                this._virtualMeshesInfo)
                    this._virtualMeshesInfo[e].originMesh.dispose(),
                    this._virtualMeshesInfo[e].dragMesh.dispose();
                this.onDragEndObservable.clear(),
                this.onDragObservable.clear(),
                this.onDragStartObservable.clear()
            }
            ,
            e
        }(), Co = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t._sceneRenderObserver = null,
                t._targetPosition = new x(0,0,0),
                t._targetOrientation = new C,
                t._targetScaling = new x(1,1,1),
                t._startingPosition = new x(0,0,0),
                t._startingOrientation = new C,
                t._startingScaling = new x(1,1,1),
                t.onPositionChangedObservable = new h,
                t.dragDeltaRatio = .2,
                t.rotateDraggedObject = !0,
                t.rotateAroundYOnly = !1,
                t.rotateWithMotionController = !0,
                t.disableMovement = !1,
                t.faceCameraOnDragStart = !1,
                t
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "name", {
                get: function() {
                    return "SixDofDrag"
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.attach = function(t) {
                var i = this;
                e.prototype.attach.call(this, t),
                t.isNearGrabbable = !0,
                this._virtualTransformNode = new yr("virtual_sixDof",Ro._virtualScene),
                this._virtualTransformNode.rotationQuaternion = C.Identity(),
                this._sceneRenderObserver = t.getScene().onBeforeRenderObservable.add((function() {
                    if (1 === i.currentDraggingPointerIds.length && i._moving && !i.disableMovement) {
                        var e = t.parent;
                        t.setParent(null),
                        t.position.addInPlace(i._targetPosition.subtract(t.position).scale(i.dragDeltaRatio)),
                        i.onPositionChangedObservable.notifyObservers({
                            position: t.absolutePosition
                        }),
                        (!e || e.scaling && !e.scaling.isNonUniformWithinEpsilon(.001)) && C.SlerpToRef(t.rotationQuaternion, i._targetOrientation, i.dragDeltaRatio, t.rotationQuaternion),
                        t.setParent(e)
                    }
                }
                ))
            }
            ,
            t.prototype._getPositionOffsetAround = function(e, t, i) {
                var n = I.Matrix[0]
                  , r = I.Matrix[1]
                  , o = I.Matrix[2]
                  , a = I.Matrix[3]
                  , s = I.Matrix[4];
                return P.TranslationToRef(e.x, e.y, e.z, n),
                P.TranslationToRef(-e.x, -e.y, -e.z, r),
                P.FromQuaternionToRef(i, o),
                P.ScalingToRef(t, t, t, a),
                r.multiplyToRef(o, s),
                s.multiplyToRef(a, s),
                s.multiplyToRef(n, s),
                s.getTranslation()
            }
            ,
            t.prototype._onePointerPositionUpdated = function(e, t) {
                I.Vector3[0].setAll(0),
                this._dragging === this._dragType.DRAG ? this.rotateDraggedObject && (this.rotateAroundYOnly ? C.RotationYawPitchRollToRef(t.toEulerAngles().y, 0, 0, I.Quaternion[0]) : I.Quaternion[0].copyFrom(t),
                I.Quaternion[0].multiplyToRef(this._startingOrientation, this._targetOrientation)) : (this._dragging === this._dragType.NEAR_DRAG || this._dragging === this._dragType.DRAG_WITH_CONTROLLER && this.rotateWithMotionController) && t.multiplyToRef(this._startingOrientation, this._targetOrientation),
                this._targetPosition.copyFrom(this._startingPosition).addInPlace(e)
            }
            ,
            t.prototype._twoPointersPositionUpdated = function() {
                var e = this._virtualMeshesInfo[this.currentDraggingPointerIds[0]].startingPosition
                  , t = this._virtualMeshesInfo[this.currentDraggingPointerIds[1]].startingPosition
                  , i = I.Vector3[0];
                e.addToRef(t, i),
                i.scaleInPlace(.5);
                var n = I.Vector3[1];
                t.subtractToRef(e, n);
                var r = this._virtualMeshesInfo[this.currentDraggingPointerIds[0]].dragMesh.absolutePosition
                  , o = this._virtualMeshesInfo[this.currentDraggingPointerIds[1]].dragMesh.absolutePosition
                  , a = I.Vector3[2];
                r.addToRef(o, a),
                a.scaleInPlace(.5);
                var s = I.Vector3[3];
                o.subtractToRef(r, s);
                var l = s.length() / n.length()
                  , c = a.subtract(i)
                  , u = C.FromEulerAngles(0, x.GetAngleBetweenVectorsOnPlane(n.normalize(), s.normalize(), x.UpReadOnly), 0)
                  , h = this._ownerNode.parent;
                this._ownerNode.setParent(null);
                var d = this._getPositionOffsetAround(i.subtract(this._virtualTransformNode.getAbsolutePivotPoint()), l, u);
                this._virtualTransformNode.rotationQuaternion.multiplyToRef(u, this._ownerNode.rotationQuaternion),
                this._virtualTransformNode.scaling.scaleToRef(l, this._ownerNode.scaling),
                this._virtualTransformNode.position.addToRef(c.addInPlace(d), this._ownerNode.position),
                this.onPositionChangedObservable.notifyObservers({
                    position: this._ownerNode.position
                }),
                this._ownerNode.setParent(h)
            }
            ,
            t.prototype._targetDragStart = function() {
                var e = this.currentDraggingPointerIds.length
                  , t = this._ownerNode.parent;
                this._ownerNode.rotationQuaternion || (this._ownerNode.rotationQuaternion = C.RotationYawPitchRoll(this._ownerNode.rotation.y, this._ownerNode.rotation.x, this._ownerNode.rotation.z));
                var i = this._ownerNode.getAbsolutePivotPoint();
                if (this._ownerNode.setParent(null),
                1 === e) {
                    if (this._targetPosition.copyFrom(this._ownerNode.position),
                    this._targetOrientation.copyFrom(this._ownerNode.rotationQuaternion),
                    this._targetScaling.copyFrom(this._ownerNode.scaling),
                    this.faceCameraOnDragStart && this._scene.activeCamera) {
                        var n = I.Vector3[0];
                        this._scene.activeCamera.position.subtractToRef(i, n),
                        n.normalize();
                        var r = I.Quaternion[0];
                        this._scene.useRightHandedSystem ? C.FromLookDirectionRHToRef(n, new x(0,1,0), r) : C.FromLookDirectionLHToRef(n, new x(0,1,0), r),
                        r.normalize(),
                        C.RotationYawPitchRollToRef(r.toEulerAngles().y, 0, 0, I.Quaternion[0]),
                        this._targetOrientation.copyFrom(I.Quaternion[0])
                    }
                    this._startingPosition.copyFrom(this._targetPosition),
                    this._startingOrientation.copyFrom(this._targetOrientation),
                    this._startingScaling.copyFrom(this._targetScaling)
                } else
                    2 === e && (this._virtualTransformNode.setPivotPoint(new x(0,0,0), Ji.LOCAL),
                    this._virtualTransformNode.position.copyFrom(this._ownerNode.position),
                    this._virtualTransformNode.scaling.copyFrom(this._ownerNode.scaling),
                    this._virtualTransformNode.rotationQuaternion.copyFrom(this._ownerNode.rotationQuaternion),
                    this._virtualTransformNode.setPivotPoint(i, Ji.WORLD),
                    this._resetVirtualMeshesPosition());
                this._ownerNode.setParent(t)
            }
            ,
            t.prototype._targetDrag = function(e, t) {
                1 === this.currentDraggingPointerIds.length ? this._onePointerPositionUpdated(e, t) : 2 === this.currentDraggingPointerIds.length && this._twoPointersPositionUpdated()
            }
            ,
            t.prototype._targetDragEnd = function() {
                if (1 === this.currentDraggingPointerIds.length) {
                    this._resetVirtualMeshesPosition();
                    var e = this.faceCameraOnDragStart;
                    this.faceCameraOnDragStart = !1,
                    this._targetDragStart(),
                    this.faceCameraOnDragStart = e
                }
            }
            ,
            t.prototype.detach = function() {
                e.prototype.detach.call(this),
                this._ownerNode && (this._ownerNode.isNearGrabbable = !1,
                this._ownerNode.getScene().onBeforeRenderObservable.remove(this._sceneRenderObserver)),
                this._virtualTransformNode && this._virtualTransformNode.dispose()
            }
            ,
            t
        }(Ro), Po = function() {
            function e() {
                this._attachPointLocalOffset = new x,
                this._workingPosition = new x,
                this._workingQuaternion = new C,
                this._lastTick = -1,
                this._hit = !1,
                this.hitNormalOffset = .05,
                this.meshes = [],
                this.interpolatePose = !0,
                this.lerpTime = 250,
                this.keepOrientationVertical = !0,
                this.enabled = !0,
                this.maxStickingDistance = .8
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "SurfaceMagnetism"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e, t) {
                this._attachedMesh = e,
                this._scene = t || e.getScene(),
                this._attachedMesh.rotationQuaternion || (this._attachedMesh.rotationQuaternion = C.RotationYawPitchRoll(this._attachedMesh.rotation.y, this._attachedMesh.rotation.x, this._attachedMesh.rotation.z)),
                this.updateAttachPoint(),
                this._workingPosition.copyFrom(this._attachedMesh.position),
                this._workingQuaternion.copyFrom(this._attachedMesh.rotationQuaternion),
                this._addObservables()
            }
            ,
            e.prototype.detach = function() {
                this._attachedMesh = null,
                this._removeObservables()
            }
            ,
            e.prototype._getTargetPose = function(e) {
                if (!this._attachedMesh)
                    return null;
                if (e && e.hit) {
                    var t = e.getNormal(!0, !0)
                      , i = e.pickedPoint;
                    if (!t || !i)
                        return null;
                    t.normalize();
                    var n = I.Vector3[0];
                    return n.copyFrom(t),
                    n.scaleInPlace(this.hitNormalOffset),
                    n.addInPlace(i),
                    this._attachedMesh.parent && (I.Matrix[0].copyFrom(this._attachedMesh.parent.getWorldMatrix()).invert(),
                    x.TransformNormalToRef(n, I.Matrix[0], n)),
                    {
                        position: n,
                        quaternion: C.RotationYawPitchRoll(-Math.atan2(t.x, -t.z), this.keepOrientationVertical ? 0 : Math.atan2(t.y, Math.sqrt(t.z * t.z + t.x * t.x)), 0)
                    }
                }
                return null
            }
            ,
            e.prototype.updateAttachPoint = function() {
                this._getAttachPointOffsetToRef(this._attachPointLocalOffset)
            }
            ,
            e.prototype.findAndUpdateTarget = function(e) {
                if (this._hit = !1,
                !e.ray)
                    return !1;
                var t = e.ray.intersectsMeshes(this.meshes)[0];
                if (this._attachedMesh && t && t.hit && t.pickedMesh) {
                    var i = this._getTargetPose(t);
                    i && x.Distance(this._attachedMesh.position, i.position) < this.maxStickingDistance && (this._workingPosition.copyFrom(i.position),
                    this._workingQuaternion.copyFrom(i.quaternion),
                    this._hit = !0)
                }
                return this._hit
            }
            ,
            e.prototype._getAttachPointOffsetToRef = function(e) {
                if (this._attachedMesh) {
                    var t = I.Quaternion[0];
                    t.copyFrom(this._attachedMesh.rotationQuaternion),
                    this._attachedMesh.rotationQuaternion.copyFromFloats(0, 0, 0, 1),
                    this._attachedMesh.computeWorldMatrix();
                    var i = this._attachedMesh.getHierarchyBoundingVectors()
                      , n = I.Vector3[0];
                    i.max.addToRef(i.min, n),
                    n.scaleInPlace(.5),
                    n.z = i.max.z;
                    var r = I.Matrix[0];
                    this._attachedMesh.getWorldMatrix().invertToRef(r),
                    x.TransformCoordinatesToRef(n, r, e),
                    this._attachedMesh.rotationQuaternion.copyFrom(t)
                } else
                    e.setAll(0)
            }
            ,
            e.prototype._updateTransformToGoal = function(e) {
                if (this._attachedMesh && this._hit) {
                    var t = this._attachedMesh.parent;
                    this._attachedMesh.setParent(null);
                    var i = I.Vector3[0];
                    if (x.TransformNormalToRef(this._attachPointLocalOffset, this._attachedMesh.getWorldMatrix(), i),
                    !this.interpolatePose)
                        return this._attachedMesh.position.copyFrom(this._workingPosition).subtractInPlace(i),
                        void this._attachedMesh.rotationQuaternion.copyFrom(this._workingQuaternion);
                    var n = new x;
                    x.SmoothToRef(this._attachedMesh.position, this._workingPosition, e, this.lerpTime, n),
                    this._attachedMesh.position.copyFrom(n);
                    var r = new C;
                    r.copyFrom(this._attachedMesh.rotationQuaternion),
                    C.SmoothToRef(r, this._workingQuaternion, e, this.lerpTime, this._attachedMesh.rotationQuaternion),
                    this._attachedMesh.setParent(t)
                }
            }
            ,
            e.prototype._addObservables = function() {
                var e = this;
                this._pointerObserver = this._scene.onPointerObservable.add((function(t) {
                    e.enabled && t.type == Xi.POINTERMOVE && t.pickInfo && e.findAndUpdateTarget(t.pickInfo)
                }
                )),
                this._lastTick = Date.now(),
                this._onBeforeRender = this._scene.onBeforeRenderObservable.add((function() {
                    var t = Date.now();
                    e._updateTransformToGoal(t - e._lastTick),
                    e._lastTick = t
                }
                ))
            }
            ,
            e.prototype._removeObservables = function() {
                this._scene.onPointerObservable.remove(this._pointerObserver),
                this._scene.onBeforeRenderObservable.remove(this._onBeforeRender),
                this._pointerObserver = null,
                this._onBeforeRender = null
            }
            ,
            e
        }(), Mo = function() {
            function e() {
                this._tmpQuaternion = new C,
                this._tmpVectors = [new x, new x, new x, new x, new x, new x, new x],
                this._tmpMatrix = new P,
                this._tmpInvertView = new P,
                this._tmpForward = new x,
                this._tmpNodeForward = new x,
                this._tmpPosition = new x,
                this._workingPosition = new x,
                this._workingQuaternion = new C,
                this._lastTick = -1,
                this._recenterNextUpdate = !0,
                this.interpolatePose = !0,
                this.lerpTime = 500,
                this.ignoreCameraPitchAndRoll = !1,
                this.pitchOffset = 15,
                this.maxViewVerticalDegrees = 30,
                this.maxViewHorizontalDegrees = 30,
                this.orientToCameraDeadzoneDegrees = 60,
                this.ignoreDistanceClamp = !1,
                this.ignoreAngleClamp = !1,
                this.verticalMaxDistance = 0,
                this.defaultDistance = .8,
                this.maximumDistance = 2,
                this.minimumDistance = .3,
                this.useFixedVerticalOffset = !1,
                this.fixedVerticalOffset = 0,
                this._enabled = !0
            }
            return Object.defineProperty(e.prototype, "followedCamera", {
                get: function() {
                    return this._followedCamera || this._scene.activeCamera
                },
                set: function(e) {
                    this._followedCamera = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "Follow"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e, t) {
                this._scene = e.getScene(),
                this.attachedNode = e,
                t && (this.followedCamera = t),
                this._addObservables()
            }
            ,
            e.prototype.detach = function() {
                this.attachedNode = null,
                this._removeObservables()
            }
            ,
            e.prototype.recenter = function() {
                this._recenterNextUpdate = !0
            }
            ,
            e.prototype._angleBetweenVectorAndPlane = function(e, t) {
                return this._tmpVectors[0].copyFrom(e),
                e = this._tmpVectors[0],
                this._tmpVectors[1].copyFrom(t),
                t = this._tmpVectors[1],
                e.normalize(),
                t.normalize(),
                Math.PI / 2 - Math.acos(x.Dot(e, t))
            }
            ,
            e.prototype._length2D = function(e) {
                return Math.sqrt(e.x * e.x + e.z * e.z)
            }
            ,
            e.prototype._distanceClamp = function(e, t) {
                void 0 === t && (t = !1);
                var i = this.minimumDistance
                  , n = this.maximumDistance
                  , r = this.defaultDistance
                  , o = this._tmpVectors[0];
                o.copyFrom(e);
                var a = o.length();
                if (o.normalizeFromLength(a),
                this.ignoreCameraPitchAndRoll) {
                    i = this._length2D(o) * i,
                    n = this._length2D(o) * n;
                    var s = this._length2D(e);
                    o.scaleInPlace(a / s),
                    a = s
                }
                var l;
                return l = t ? r : d.Clamp(a, i, n),
                e.copyFrom(o).scaleInPlace(l),
                a !== l
            }
            ,
            e.prototype._applyVerticalClamp = function(e) {
                0 !== this.verticalMaxDistance && (e.y = d.Clamp(e.y, -this.verticalMaxDistance, this.verticalMaxDistance))
            }
            ,
            e.prototype._toOrientationQuatToRef = function(e, t) {
                C.RotationYawPitchRollToRef(Math.atan2(e.x, e.z), Math.atan2(e.y, Math.sqrt(e.z * e.z + e.x * e.x)), 0, t)
            }
            ,
            e.prototype._applyPitchOffset = function(e) {
                var t = this._tmpVectors[0]
                  , i = this._tmpVectors[1];
                t.copyFromFloats(0, 0, this._scene.useRightHandedSystem ? -1 : 1),
                i.copyFromFloats(1, 0, 0),
                x.TransformNormalToRef(t, e, t),
                t.y = 0,
                t.normalize(),
                x.TransformNormalToRef(i, e, i),
                C.RotationAxisToRef(i, this.pitchOffset * Math.PI / 180, this._tmpQuaternion),
                t.rotateByQuaternionToRef(this._tmpQuaternion, t),
                this._toOrientationQuatToRef(t, this._tmpQuaternion),
                this._tmpQuaternion.toRotationMatrix(this._tmpMatrix),
                e.copyFrom(this._tmpMatrix)
            }
            ,
            e.prototype._angularClamp = function(e, t) {
                var i = this._tmpVectors[5];
                i.copyFromFloats(0, 0, this._scene.useRightHandedSystem ? -1 : 1);
                var n = this._tmpVectors[6];
                n.copyFromFloats(1, 0, 0),
                x.TransformNormalToRef(i, e, i),
                x.TransformNormalToRef(n, e, n);
                var r = x.UpReadOnly;
                if (t.length() < m)
                    return !1;
                var o = !1
                  , a = this._tmpQuaternion;
                if (this.ignoreCameraPitchAndRoll) {
                    var s = x.GetAngleBetweenVectorsOnPlane(t, i, n);
                    C.RotationAxisToRef(n, s, a),
                    t.rotateByQuaternionToRef(a, t)
                } else {
                    var l = -x.GetAngleBetweenVectorsOnPlane(t, i, n)
                      , c = this.maxViewVerticalDegrees * Math.PI / 180 * .5;
                    l < -c ? (C.RotationAxisToRef(n, -l - c, a),
                    t.rotateByQuaternionToRef(a, t),
                    o = !0) : l > c && (C.RotationAxisToRef(n, -l + c, a),
                    t.rotateByQuaternionToRef(a, t),
                    o = !0)
                }
                var u = this._angleBetweenVectorAndPlane(t, n) * (this._scene.useRightHandedSystem ? -1 : 1)
                  , h = this.maxViewHorizontalDegrees * Math.PI / 180 * .5;
                return u < -h ? (C.RotationAxisToRef(r, -u - h, a),
                t.rotateByQuaternionToRef(a, t),
                o = !0) : u > h && (C.RotationAxisToRef(r, -u + h, a),
                t.rotateByQuaternionToRef(a, t),
                o = !0),
                o
            }
            ,
            e.prototype._orientationClamp = function(e, t) {
                var i, n = this._tmpVectors[0];
                n.copyFrom(e).scaleInPlace(-1).normalize();
                var r = this._tmpVectors[1]
                  , o = this._tmpVectors[2];
                r.copyFromFloats(0, 1, 0),
                x.CrossToRef(n, r, o);
                var a = o.length();
                a < m || (o.normalizeFromLength(a),
                x.CrossToRef(o, n, r),
                (null === (i = this.attachedNode) || void 0 === i ? void 0 : i.getScene().useRightHandedSystem) ? C.FromLookDirectionRHToRef(n, r, t) : C.FromLookDirectionLHToRef(n, r, t))
            }
            ,
            e.prototype._passedOrientationDeadzone = function(e, t) {
                var i = this._tmpVectors[5];
                return i.copyFrom(e),
                i.normalize(),
                180 * Math.abs(x.GetAngleBetweenVectorsOnPlane(t, i, x.UpReadOnly)) / Math.PI > this.orientToCameraDeadzoneDegrees
            }
            ,
            e.prototype._updateLeashing = function(e) {
                if (this.attachedNode && this._enabled) {
                    var t = this.attachedNode.parent;
                    this.attachedNode.setParent(null);
                    var i = this.attachedNode.getWorldMatrix()
                      , n = this._workingPosition
                      , r = this._workingQuaternion
                      , o = this.attachedNode.getPivotPoint()
                      , a = this._tmpInvertView;
                    a.copyFrom(e.getViewMatrix()),
                    a.invert(),
                    x.TransformCoordinatesToRef(o, i, n);
                    var s = this._tmpPosition;
                    s.copyFromFloats(0, 0, 0),
                    x.TransformCoordinatesToRef(s, i, s),
                    s.scaleInPlace(-1).subtractInPlace(o),
                    n.subtractInPlace(e.globalPosition),
                    this.ignoreCameraPitchAndRoll && this._applyPitchOffset(a);
                    var l = !1
                      , c = this._tmpForward;
                    c.copyFromFloats(0, 0, this._scene.useRightHandedSystem ? -1 : 1),
                    x.TransformNormalToRef(c, a, c);
                    var u = this._tmpNodeForward;
                    if (u.copyFromFloats(0, 0, this._scene.useRightHandedSystem ? -1 : 1),
                    x.TransformNormalToRef(u, i, u),
                    this._recenterNextUpdate)
                        n.copyFrom(c).scaleInPlace(this.defaultDistance);
                    else if (this.ignoreAngleClamp) {
                        var h = n.length();
                        n.copyFrom(c).scaleInPlace(h)
                    } else
                        l = this._angularClamp(a, n);
                    var d = !1;
                    this.ignoreDistanceClamp || (d = this._distanceClamp(n, l),
                    this._applyVerticalClamp(n)),
                    this.useFixedVerticalOffset && (n.y = s.y - e.globalPosition.y + this.fixedVerticalOffset),
                    (l || d || this._passedOrientationDeadzone(n, u) || this._recenterNextUpdate) && this._orientationClamp(n, r),
                    this._workingPosition.subtractInPlace(o),
                    this._recenterNextUpdate = !1,
                    this.attachedNode.setParent(t)
                }
            }
            ,
            e.prototype._updateTransformToGoal = function(e) {
                if (this.attachedNode && this.followedCamera && this._enabled) {
                    this.attachedNode.rotationQuaternion || (this.attachedNode.rotationQuaternion = C.Identity());
                    var t = this.attachedNode.parent;
                    if (this.attachedNode.setParent(null),
                    !this.interpolatePose)
                        return this.attachedNode.position.copyFrom(this.followedCamera.globalPosition).addInPlace(this._workingPosition),
                        void this.attachedNode.rotationQuaternion.copyFrom(this._workingQuaternion);
                    var i = new x;
                    i.copyFrom(this.attachedNode.position).subtractInPlace(this.followedCamera.globalPosition),
                    x.SmoothToRef(i, this._workingPosition, e, this.lerpTime, i),
                    i.addInPlace(this.followedCamera.globalPosition),
                    this.attachedNode.position.copyFrom(i);
                    var n = new C;
                    n.copyFrom(this.attachedNode.rotationQuaternion),
                    C.SmoothToRef(n, this._workingQuaternion, e, this.lerpTime, this.attachedNode.rotationQuaternion),
                    this.attachedNode.setParent(t)
                }
            }
            ,
            e.prototype._addObservables = function() {
                var e = this;
                this._lastTick = Date.now(),
                this._onBeforeRender = this._scene.onBeforeRenderObservable.add((function() {
                    if (e.followedCamera) {
                        var t = Date.now();
                        e._updateLeashing(e.followedCamera),
                        e._updateTransformToGoal(t - e._lastTick),
                        e._lastTick = t
                    }
                }
                ))
            }
            ,
            e.prototype._removeObservables = function() {
                this._onBeforeRender && this._scene.onBeforeRenderObservable.remove(this._onBeforeRender)
            }
            ,
            e
        }(), Io = function() {
            function e() {}
            return e.ANCHOR_SYSTEM = "xr-anchor-system",
            e.BACKGROUND_REMOVER = "xr-background-remover",
            e.HIT_TEST = "xr-hit-test",
            e.MESH_DETECTION = "xr-mesh-detection",
            e.PHYSICS_CONTROLLERS = "xr-physics-controller",
            e.PLANE_DETECTION = "xr-plane-detection",
            e.POINTER_SELECTION = "xr-controller-pointer-selection",
            e.TELEPORTATION = "xr-controller-teleportation",
            e.FEATURE_POINTS = "xr-feature-points",
            e.HAND_TRACKING = "xr-hand-tracking",
            e.IMAGE_TRACKING = "xr-image-tracking",
            e.NEAR_INTERACTION = "xr-near-interaction",
            e.DOM_OVERLAY = "xr-dom-overlay",
            e.MOVEMENT = "xr-controller-movement",
            e.LIGHT_ESTIMATION = "xr-light-estimation",
            e.EYE_TRACKING = "xr-eye-tracking",
            e.WALKING_LOCOMOTION = "xr-walking-locomotion",
            e.LAYERS = "xr-layers",
            e
        }(), Oo = function() {
            function e(e) {
                var t = this;
                this._xrSessionManager = e,
                this._features = {},
                this._xrSessionManager.onXRSessionInit.add((function() {
                    t.getEnabledFeatures().forEach((function(e) {
                        var i = t._features[e];
                        !i.enabled || i.featureImplementation.attached || i.featureImplementation.disableAutoAttach || t.attachFeature(e)
                    }
                    ))
                }
                )),
                this._xrSessionManager.onXRSessionEnded.add((function() {
                    t.getEnabledFeatures().forEach((function(e) {
                        var i = t._features[e];
                        i.enabled && i.featureImplementation.attached && t.detachFeature(e)
                    }
                    ))
                }
                ))
            }
            return e.AddWebXRFeature = function(e, t, i, n) {
                void 0 === i && (i = 1),
                void 0 === n && (n = !1),
                this._AvailableFeatures[e] = this._AvailableFeatures[e] || {
                    latest: i
                },
                i > this._AvailableFeatures[e].latest && (this._AvailableFeatures[e].latest = i),
                n && (this._AvailableFeatures[e].stable = i),
                this._AvailableFeatures[e][i] = t
            }
            ,
            e.ConstructFeature = function(e, t, i, n) {
                void 0 === t && (t = 1);
                var r = this._AvailableFeatures[e][t];
                if (!r)
                    throw new Error("feature not found");
                return r(i, n)
            }
            ,
            e.GetAvailableFeatures = function() {
                return Object.keys(this._AvailableFeatures)
            }
            ,
            e.GetAvailableVersions = function(e) {
                return Object.keys(this._AvailableFeatures[e])
            }
            ,
            e.GetLatestVersionOfFeature = function(e) {
                return this._AvailableFeatures[e] && this._AvailableFeatures[e].latest || -1
            }
            ,
            e.GetStableVersionOfFeature = function(e) {
                return this._AvailableFeatures[e] && this._AvailableFeatures[e].stable || -1
            }
            ,
            e.prototype.attachFeature = function(e) {
                var t = this._features[e];
                t && t.enabled && !t.featureImplementation.attached && t.featureImplementation.attach()
            }
            ,
            e.prototype.detachFeature = function(e) {
                var t = this._features[e];
                t && t.featureImplementation.attached && t.featureImplementation.detach()
            }
            ,
            e.prototype.disableFeature = function(e) {
                var t = "string" == typeof e ? e : e.Name
                  , i = this._features[t];
                return !(!i || !i.enabled || (i.enabled = !1,
                this.detachFeature(t),
                i.featureImplementation.dispose(),
                delete this._features[t],
                0))
            }
            ,
            e.prototype.dispose = function() {
                var e = this;
                this.getEnabledFeatures().forEach((function(t) {
                    e.disableFeature(t)
                }
                ))
            }
            ,
            e.prototype.enableFeature = function(t, i, n, r, o) {
                var a = this;
                void 0 === i && (i = "latest"),
                void 0 === n && (n = {}),
                void 0 === r && (r = !0),
                void 0 === o && (o = !0);
                var s = "string" == typeof t ? t : t.Name
                  , l = 0;
                if ("string" == typeof i) {
                    if (!i)
                        throw new Error("Error in provided version - ".concat(s, " (").concat(i, ")"));
                    if (-1 === (l = "stable" === i ? e.GetStableVersionOfFeature(s) : "latest" === i ? e.GetLatestVersionOfFeature(s) : +i) || isNaN(l))
                        throw new Error("feature not found - ".concat(s, " (").concat(i, ")"))
                } else
                    l = i;
                var c = e._ConflictingFeatures[s];
                if (void 0 !== c && -1 !== this.getEnabledFeatures().indexOf(c))
                    throw new Error("Feature ".concat(s, " cannot be enabled while ").concat(c, " is enabled."));
                var u = this._features[s]
                  , h = e.ConstructFeature(s, l, this._xrSessionManager, n);
                if (!h)
                    throw new Error("feature not found - ".concat(s));
                u && this.disableFeature(s);
                var d = h();
                if (d.dependsOn) {
                    var p = d.dependsOn.every((function(e) {
                        return !!a._features[e]
                    }
                    ));
                    if (!p)
                        throw new Error("Dependant features missing. Make sure the following features are enabled - ".concat(d.dependsOn.join(", ")))
                }
                if (d.isCompatible())
                    return this._features[s] = {
                        featureImplementation: d,
                        enabled: !0,
                        version: l,
                        required: o
                    },
                    r ? this._xrSessionManager.session && !this._features[s].featureImplementation.attached && this.attachFeature(s) : this._features[s].featureImplementation.disableAutoAttach = !0,
                    this._features[s].featureImplementation;
                if (o)
                    throw new Error("required feature not compatible");
                return gi.Warn("Feature ".concat(s, " not compatible with the current environment/browser and was not enabled.")),
                d
            }
            ,
            e.prototype.getEnabledFeature = function(e) {
                return this._features[e] && this._features[e].featureImplementation
            }
            ,
            e.prototype.getEnabledFeatures = function() {
                return Object.keys(this._features)
            }
            ,
            e.prototype._extendXRSessionInitObject = function(e) {
                return G(this, void 0, void 0, (function() {
                    var t, i, n, r, o, a, s;
                    return z(this, (function(l) {
                        switch (l.label) {
                        case 0:
                            t = this.getEnabledFeatures(),
                            i = 0,
                            n = t,
                            l.label = 1;
                        case 1:
                            return i < n.length ? (r = n[i],
                            o = this._features[r],
                            (a = o.featureImplementation.xrNativeFeatureName) && (o.required ? (e.requiredFeatures = e.requiredFeatures || [],
                            -1 === e.requiredFeatures.indexOf(a) && e.requiredFeatures.push(a)) : (e.optionalFeatures = e.optionalFeatures || [],
                            -1 === e.optionalFeatures.indexOf(a) && e.optionalFeatures.push(a))),
                            o.featureImplementation.getXRSessionInitExtension ? [4, o.featureImplementation.getXRSessionInitExtension()] : [3, 3]) : [3, 4];
                        case 2:
                            s = l.sent(),
                            e = V(V({}, e), s),
                            l.label = 3;
                        case 3:
                            return i++,
                            [3, 1];
                        case 4:
                            return [2, e]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e._AvailableFeatures = {},
            e._ConflictingFeatures = ((bo = {})[Io.TELEPORTATION] = Io.MOVEMENT,
            bo[Io.MOVEMENT] = Io.TELEPORTATION,
            bo),
            e
        }();
        !function(e) {
            e[e.ABOVE_FINGER_TIPS = 0] = "ABOVE_FINGER_TIPS",
            e[e.RADIAL_SIDE = 1] = "RADIAL_SIDE",
            e[e.ULNAR_SIDE = 2] = "ULNAR_SIDE",
            e[e.BELOW_WRIST = 3] = "BELOW_WRIST"
        }(To || (To = {})),
        function(e) {
            e[e.LOOK_AT_CAMERA = 0] = "LOOK_AT_CAMERA",
            e[e.HAND_ROTATION = 1] = "HAND_ROTATION"
        }(Eo || (Eo = {})),
        function(e) {
            e[e.ALWAYS_VISIBLE = 0] = "ALWAYS_VISIBLE",
            e[e.PALM_UP = 1] = "PALM_UP",
            e[e.GAZE_FOCUS = 2] = "GAZE_FOCUS",
            e[e.PALM_AND_GAZE = 3] = "PALM_AND_GAZE"
        }(So || (So = {}));
        var Do = function() {
            function e() {
                this._sceneRenderObserver = null,
                this._zoneAxis = {},
                this.handConstraintVisibility = So.PALM_AND_GAZE,
                this.palmUpStrictness = .95,
                this.gazeProximityRadius = .15,
                this.targetOffset = .1,
                this.targetZone = To.ULNAR_SIDE,
                this.zoneOrientationMode = Eo.HAND_ROTATION,
                this.nodeOrientationMode = Eo.HAND_ROTATION,
                this.handedness = "none",
                this.lerpTime = 100,
                this._zoneAxis[To.ABOVE_FINGER_TIPS] = new x(0,1,0),
                this._zoneAxis[To.RADIAL_SIDE] = new x(-1,0,0),
                this._zoneAxis[To.ULNAR_SIDE] = new x(1,0,0),
                this._zoneAxis[To.BELOW_WRIST] = new x(0,-1,0)
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return "HandConstraint"
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.enable = function() {
                this._node.setEnabled(!0)
            }
            ,
            e.prototype.disable = function() {
                this._node.setEnabled(!1)
            }
            ,
            e.prototype._getHandPose = function() {
                if (!this._handTracking)
                    return null;
                var e;
                if (e = "none" === this.handedness ? this._handTracking.getHandByHandedness("left") || this._handTracking.getHandByHandedness("right") : this._handTracking.getHandByHandedness(this.handedness)) {
                    var t = e.getJointMesh("pinky-finger-metacarpal")
                      , i = e.getJointMesh("middle-finger-metacarpal")
                      , n = e.getJointMesh("wrist");
                    if (n && i && t) {
                        var r = {
                            position: i.absolutePosition,
                            quaternion: new C,
                            id: e.xrController.uniqueId
                        }
                          , o = I.Vector3[0]
                          , a = I.Vector3[1]
                          , s = I.Vector3[2];
                        return o.copyFrom(i.absolutePosition).subtractInPlace(n.absolutePosition).normalize(),
                        a.copyFrom(t.absolutePosition).subtractInPlace(i.absolutePosition).normalize(),
                        x.CrossToRef(o, a, a),
                        x.CrossToRef(a, o, s),
                        C.FromLookDirectionLHToRef(a, o, r.quaternion),
                        r
                    }
                }
                return null
            }
            ,
            e.prototype.init = function() {}
            ,
            e.prototype.attach = function(e) {
                var t = this;
                this._node = e,
                this._scene = e.getScene(),
                this._node.rotationQuaternion || (this._node.rotationQuaternion = C.RotationYawPitchRoll(this._node.rotation.y, this._node.rotation.x, this._node.rotation.z));
                var i = Date.now();
                this._sceneRenderObserver = this._scene.onBeforeRenderObservable.add((function() {
                    var e = t._getHandPose();
                    if (t._node.reservedDataStore = t._node.reservedDataStore || {},
                    t._node.reservedDataStore.nearInteraction = t._node.reservedDataStore.nearInteraction || {},
                    t._node.reservedDataStore.nearInteraction.excludedControllerId = null,
                    e) {
                        var n = I.Vector3[0]
                          , r = t._scene.activeCamera;
                        n.copyFrom(t._zoneAxis[t.targetZone]);
                        var o = I.Quaternion[0];
                        if (r && (t.zoneOrientationMode === Eo.LOOK_AT_CAMERA || t.nodeOrientationMode === Eo.LOOK_AT_CAMERA)) {
                            var a = I.Vector3[1];
                            a.copyFrom(r.position).subtractInPlace(e.position).normalize(),
                            t._scene.useRightHandedSystem ? C.FromLookDirectionRHToRef(a, x.UpReadOnly, o) : C.FromLookDirectionLHToRef(a, x.UpReadOnly, o)
                        }
                        t.zoneOrientationMode === Eo.HAND_ROTATION ? e.quaternion.toRotationMatrix(I.Matrix[0]) : o.toRotationMatrix(I.Matrix[0]),
                        x.TransformNormalToRef(n, I.Matrix[0], n),
                        n.scaleInPlace(t.targetOffset);
                        var s = I.Vector3[2]
                          , l = I.Quaternion[1];
                        s.copyFrom(e.position).addInPlace(n),
                        t.nodeOrientationMode === Eo.HAND_ROTATION ? l.copyFrom(e.quaternion) : l.copyFrom(o);
                        var c = Date.now() - i;
                        x.SmoothToRef(t._node.position, s, c, t.lerpTime, t._node.position),
                        C.SmoothToRef(t._node.rotationQuaternion, l, c, t.lerpTime, t._node.rotationQuaternion),
                        t._node.reservedDataStore.nearInteraction.excludedControllerId = e.id
                    }
                    t._setVisibility(e),
                    i = Date.now()
                }
                ))
            }
            ,
            e.prototype._setVisibility = function(e) {
                var t = !0
                  , i = !0
                  , n = this._scene.activeCamera;
                if (n) {
                    var r = n.getForwardRay();
                    if (this.handConstraintVisibility === So.GAZE_FOCUS || this.handConstraintVisibility === So.PALM_AND_GAZE) {
                        i = !1;
                        var o = void 0;
                        this._eyeTracking && (o = this._eyeTracking.getEyeGaze()),
                        o = o || r;
                        var a = I.Vector3[0];
                        e ? e.position.subtractToRef(o.origin, a) : this._node.getAbsolutePosition().subtractToRef(o.origin, a);
                        var s = x.Dot(a, o.direction)
                          , l = s * s;
                        s > 0 && a.lengthSquared() - l < this.gazeProximityRadius * this.gazeProximityRadius && (i = !0)
                    }
                    if ((this.handConstraintVisibility === So.PALM_UP || this.handConstraintVisibility === So.PALM_AND_GAZE) && (t = !1,
                    e)) {
                        var c = I.Vector3[0];
                        x.LeftHandedForwardReadOnly.rotateByQuaternionToRef(e.quaternion, c),
                        x.Dot(c, r.direction) > 2 * this.palmUpStrictness - 1 && (t = !0)
                    }
                }
                this._node.setEnabled(t && i)
            }
            ,
            e.prototype.detach = function() {
                this._scene.onBeforeRenderObservable.remove(this._sceneRenderObserver)
            }
            ,
            e.prototype.linkToXRExperience = function(e) {
                try {
                    this._eyeTracking = e.featuresManager.getEnabledFeature(Io.EYE_TRACKING)
                } catch (e) {}
                try {
                    this._handTracking = e.featuresManager.getEnabledFeature(Io.HAND_TRACKING)
                } catch (e) {
                    alert("Hand tracking must be enabled for the Hand Menu to work")
                }
            }
            ,
            e
        }()
          , No = function() {
            function e(e, t, i) {
                if (this.targetPosition = x.Zero(),
                this.poleTargetPosition = x.Zero(),
                this.poleTargetLocalOffset = x.Zero(),
                this.poleAngle = 0,
                this.slerpAmount = 1,
                this._bone1Quat = C.Identity(),
                this._bone1Mat = P.Identity(),
                this._bone2Ang = Math.PI,
                this._maxAngle = Math.PI,
                this._rightHandedSystem = !1,
                this._bendAxis = x.Right(),
                this._slerping = !1,
                this._adjustRoll = 0,
                this._bone2 = t,
                this._bone1 = t.getParent(),
                this._bone1) {
                    this.mesh = e;
                    var n = t.getPosition();
                    if (t.getAbsoluteTransform().determinant() > 0 && (this._rightHandedSystem = !0,
                    this._bendAxis.x = 0,
                    this._bendAxis.y = 0,
                    this._bendAxis.z = -1,
                    n.x > n.y && n.x > n.z && (this._adjustRoll = .5 * Math.PI,
                    this._bendAxis.z = 1)),
                    this._bone1.length) {
                        var r = this._bone1.getScale()
                          , o = this._bone2.getScale();
                        this._bone1Length = this._bone1.length * r.y * this.mesh.scaling.y,
                        this._bone2Length = this._bone2.length * o.y * this.mesh.scaling.y
                    } else if (this._bone1.children[0]) {
                        e.computeWorldMatrix(!0);
                        var a = this._bone2.children[0].getAbsolutePosition(e)
                          , s = this._bone2.getAbsolutePosition(e)
                          , l = this._bone1.getAbsolutePosition(e);
                        this._bone1Length = x.Distance(a, s),
                        this._bone2Length = x.Distance(s, l)
                    }
                    this._bone1.getRotationMatrixToRef(Ji.WORLD, e, this._bone1Mat),
                    this.maxAngle = Math.PI,
                    i && (i.targetMesh && (this.targetMesh = i.targetMesh,
                    this.targetMesh.computeWorldMatrix(!0)),
                    i.poleTargetMesh ? (this.poleTargetMesh = i.poleTargetMesh,
                    this.poleTargetMesh.computeWorldMatrix(!0)) : i.poleTargetBone ? this.poleTargetBone = i.poleTargetBone : this._bone1.getParent() && (this.poleTargetBone = this._bone1.getParent()),
                    i.poleTargetLocalOffset && this.poleTargetLocalOffset.copyFrom(i.poleTargetLocalOffset),
                    i.poleAngle && (this.poleAngle = i.poleAngle),
                    i.bendAxis && this._bendAxis.copyFrom(i.bendAxis),
                    i.maxAngle && (this.maxAngle = i.maxAngle),
                    i.slerpAmount && (this.slerpAmount = i.slerpAmount))
                }
            }
            return Object.defineProperty(e.prototype, "maxAngle", {
                get: function() {
                    return this._maxAngle
                },
                set: function(e) {
                    this._setMaxAngle(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._setMaxAngle = function(e) {
                e < 0 && (e = 0),
                (e > Math.PI || null == e) && (e = Math.PI),
                this._maxAngle = e;
                var t = this._bone1Length
                  , i = this._bone2Length;
                this._maxReach = Math.sqrt(t * t + i * i - 2 * t * i * Math.cos(e))
            }
            ,
            e.prototype.update = function() {
                var t = this._bone1;
                if (t) {
                    var i = this.targetPosition
                      , n = this.poleTargetPosition
                      , r = e._TmpMats[0]
                      , o = e._TmpMats[1];
                    this.targetMesh && i.copyFrom(this.targetMesh.getAbsolutePosition()),
                    this.poleTargetBone ? this.poleTargetBone.getAbsolutePositionFromLocalToRef(this.poleTargetLocalOffset, this.mesh, n) : this.poleTargetMesh && x.TransformCoordinatesToRef(this.poleTargetLocalOffset, this.poleTargetMesh.getWorldMatrix(), n);
                    var a = e._TmpVecs[0]
                      , s = e._TmpVecs[1]
                      , l = e._TmpVecs[2]
                      , c = e._TmpVecs[3]
                      , u = e._TmpVecs[4]
                      , h = e._TmpQuat;
                    t.getAbsolutePositionToRef(this.mesh, a),
                    n.subtractToRef(a, u),
                    0 == u.x && 0 == u.y && 0 == u.z ? u.y = 1 : u.normalize(),
                    i.subtractToRef(a, c),
                    c.normalize(),
                    x.CrossToRef(c, u, s),
                    s.normalize(),
                    x.CrossToRef(c, s, l),
                    l.normalize(),
                    P.FromXYZAxesToRef(l, c, s, r);
                    var d = this._bone1Length
                      , p = this._bone2Length
                      , f = x.Distance(a, i);
                    this._maxReach > 0 && (f = Math.min(this._maxReach, f));
                    var _ = (p * p + f * f - d * d) / (2 * p * f)
                      , m = (f * f + d * d - p * p) / (2 * f * d);
                    _ > 1 && (_ = 1),
                    m > 1 && (m = 1),
                    _ < -1 && (_ = -1),
                    m < -1 && (m = -1);
                    var g = Math.acos(_)
                      , v = Math.acos(m)
                      , y = -g - v;
                    if (this._rightHandedSystem)
                        P.RotationYawPitchRollToRef(0, 0, this._adjustRoll, o),
                        o.multiplyToRef(r, r),
                        P.RotationAxisToRef(this._bendAxis, v, o),
                        o.multiplyToRef(r, r);
                    else {
                        var b = e._TmpVecs[5];
                        b.copyFrom(this._bendAxis),
                        b.x *= -1,
                        P.RotationAxisToRef(b, -v, o),
                        o.multiplyToRef(r, r)
                    }
                    this.poleAngle && (P.RotationAxisToRef(c, this.poleAngle, o),
                    r.multiplyToRef(o, r)),
                    this._bone1 && (this.slerpAmount < 1 ? (this._slerping || C.FromRotationMatrixToRef(this._bone1Mat, this._bone1Quat),
                    C.FromRotationMatrixToRef(r, h),
                    C.SlerpToRef(this._bone1Quat, h, this.slerpAmount, this._bone1Quat),
                    y = this._bone2Ang * (1 - this.slerpAmount) + y * this.slerpAmount,
                    this._bone1.setRotationQuaternion(this._bone1Quat, Ji.WORLD, this.mesh),
                    this._slerping = !0) : (this._bone1.setRotationMatrix(r, Ji.WORLD, this.mesh),
                    this._bone1Mat.copyFrom(r),
                    this._slerping = !1),
                    this._updateLinkedTransformRotation(this._bone1)),
                    this._bone2.setAxisAngle(this._bendAxis, y, Ji.LOCAL),
                    this._updateLinkedTransformRotation(this._bone2),
                    this._bone2Ang = y
                }
            }
            ,
            e.prototype._updateLinkedTransformRotation = function(e) {
                e._linkedTransformNode && (e._linkedTransformNode.rotationQuaternion || (e._linkedTransformNode.rotationQuaternion = new C),
                e.getRotationQuaternionToRef(Ji.LOCAL, null, e._linkedTransformNode.rotationQuaternion))
            }
            ,
            e._TmpVecs = [x.Zero(), x.Zero(), x.Zero(), x.Zero(), x.Zero(), x.Zero()],
            e._TmpQuat = C.Identity(),
            e._TmpMats = [P.Identity(), P.Identity()],
            e
        }()
          , Lo = function() {
            function e(e, t, i, n) {
                if (this.upAxis = x.Up(),
                this.upAxisSpace = Ji.LOCAL,
                this.adjustYaw = 0,
                this.adjustPitch = 0,
                this.adjustRoll = 0,
                this.slerpAmount = 1,
                this._boneQuat = C.Identity(),
                this._slerping = !1,
                this._firstFrameSkipped = !1,
                this._fowardAxis = x.Forward(),
                this.mesh = e,
                this.bone = t,
                this.target = i,
                n && (n.adjustYaw && (this.adjustYaw = n.adjustYaw),
                n.adjustPitch && (this.adjustPitch = n.adjustPitch),
                n.adjustRoll && (this.adjustRoll = n.adjustRoll),
                null != n.maxYaw ? this.maxYaw = n.maxYaw : this.maxYaw = Math.PI,
                null != n.minYaw ? this.minYaw = n.minYaw : this.minYaw = -Math.PI,
                null != n.maxPitch ? this.maxPitch = n.maxPitch : this.maxPitch = Math.PI,
                null != n.minPitch ? this.minPitch = n.minPitch : this.minPitch = -Math.PI,
                null != n.slerpAmount && (this.slerpAmount = n.slerpAmount),
                null != n.upAxis && (this.upAxis = n.upAxis),
                null != n.upAxisSpace && (this.upAxisSpace = n.upAxisSpace),
                null != n.yawAxis || null != n.pitchAxis)) {
                    var r = vn.Y
                      , o = vn.X;
                    null != n.yawAxis && (r = n.yawAxis.clone()).normalize(),
                    null != n.pitchAxis && (o = n.pitchAxis.clone()).normalize();
                    var a = x.Cross(o, r);
                    this._transformYawPitch = P.Identity(),
                    P.FromXYZAxesToRef(o, r, a, this._transformYawPitch),
                    this._transformYawPitchInv = this._transformYawPitch.clone(),
                    this._transformYawPitch.invert()
                }
                t.getParent() || this.upAxisSpace != Ji.BONE || (this.upAxisSpace = Ji.LOCAL)
            }
            return Object.defineProperty(e.prototype, "minYaw", {
                get: function() {
                    return this._minYaw
                },
                set: function(e) {
                    this._minYaw = e,
                    this._minYawSin = Math.sin(e),
                    this._minYawCos = Math.cos(e),
                    null != this._maxYaw && (this._midYawConstraint = .5 * this._getAngleDiff(this._minYaw, this._maxYaw) + this._minYaw,
                    this._yawRange = this._maxYaw - this._minYaw)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "maxYaw", {
                get: function() {
                    return this._maxYaw
                },
                set: function(e) {
                    this._maxYaw = e,
                    this._maxYawSin = Math.sin(e),
                    this._maxYawCos = Math.cos(e),
                    null != this._minYaw && (this._midYawConstraint = .5 * this._getAngleDiff(this._minYaw, this._maxYaw) + this._minYaw,
                    this._yawRange = this._maxYaw - this._minYaw)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "minPitch", {
                get: function() {
                    return this._minPitch
                },
                set: function(e) {
                    this._minPitch = e,
                    this._minPitchTan = Math.tan(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "maxPitch", {
                get: function() {
                    return this._maxPitch
                },
                set: function(e) {
                    this._maxPitch = e,
                    this._maxPitchTan = Math.tan(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.update = function() {
                if (this.slerpAmount < 1 && !this._firstFrameSkipped)
                    this._firstFrameSkipped = !0;
                else {
                    var t = this.bone
                      , i = e._TmpVecs[0];
                    t.getAbsolutePositionToRef(this.mesh, i);
                    var n = this.target
                      , r = e._TmpMats[0]
                      , o = e._TmpMats[1]
                      , a = this.mesh
                      , s = t.getParent()
                      , l = e._TmpVecs[1];
                    l.copyFrom(this.upAxis),
                    this.upAxisSpace == Ji.BONE && s ? (this._transformYawPitch && x.TransformCoordinatesToRef(l, this._transformYawPitchInv, l),
                    s.getDirectionToRef(l, this.mesh, l)) : this.upAxisSpace == Ji.LOCAL && (a.getDirectionToRef(l, l),
                    1 == a.scaling.x && 1 == a.scaling.y && 1 == a.scaling.z || l.normalize());
                    var c = !1
                      , u = !1;
                    if (this._maxYaw == Math.PI && this._minYaw == -Math.PI || (c = !0),
                    this._maxPitch == Math.PI && this._minPitch == -Math.PI || (u = !0),
                    c || u) {
                        var h = e._TmpMats[2]
                          , d = e._TmpMats[3];
                        if (this.upAxisSpace == Ji.BONE && 1 == l.y && s)
                            s.getRotationMatrixToRef(Ji.WORLD, this.mesh, h);
                        else if (this.upAxisSpace != Ji.LOCAL || 1 != l.y || s) {
                            var p = e._TmpVecs[2];
                            p.copyFrom(this._fowardAxis),
                            this._transformYawPitch && x.TransformCoordinatesToRef(p, this._transformYawPitchInv, p),
                            s ? s.getDirectionToRef(p, this.mesh, p) : a.getDirectionToRef(p, p);
                            var f = x.Cross(l, p);
                            f.normalize(),
                            p = x.Cross(f, l),
                            P.FromXYZAxesToRef(f, l, p, h)
                        } else
                            h.copyFrom(a.getWorldMatrix());
                        h.invertToRef(d);
                        var _ = null;
                        if (u) {
                            var m = e._TmpVecs[3];
                            n.subtractToRef(i, m),
                            x.TransformCoordinatesToRef(m, d, m),
                            _ = Math.sqrt(m.x * m.x + m.z * m.z);
                            var g = Math.atan2(m.y, _)
                              , v = g;
                            g > this._maxPitch ? (m.y = this._maxPitchTan * _,
                            v = this._maxPitch) : g < this._minPitch && (m.y = this._minPitchTan * _,
                            v = this._minPitch),
                            g != v && (x.TransformCoordinatesToRef(m, h, m),
                            m.addInPlace(i),
                            n = m)
                        }
                        if (c) {
                            m = e._TmpVecs[4],
                            n.subtractToRef(i, m),
                            x.TransformCoordinatesToRef(m, d, m);
                            var y = Math.atan2(m.x, m.z)
                              , b = y;
                            if ((y > this._maxYaw || y < this._minYaw) && (null == _ && (_ = Math.sqrt(m.x * m.x + m.z * m.z)),
                            this._yawRange > Math.PI ? this._isAngleBetween(y, this._maxYaw, this._midYawConstraint) ? (m.z = this._maxYawCos * _,
                            m.x = this._maxYawSin * _,
                            b = this._maxYaw) : this._isAngleBetween(y, this._midYawConstraint, this._minYaw) && (m.z = this._minYawCos * _,
                            m.x = this._minYawSin * _,
                            b = this._minYaw) : y > this._maxYaw ? (m.z = this._maxYawCos * _,
                            m.x = this._maxYawSin * _,
                            b = this._maxYaw) : y < this._minYaw && (m.z = this._minYawCos * _,
                            m.x = this._minYawSin * _,
                            b = this._minYaw)),
                            this._slerping && this._yawRange > Math.PI) {
                                var T = e._TmpVecs[8];
                                T.copyFrom(vn.Z),
                                this._transformYawPitch && x.TransformCoordinatesToRef(T, this._transformYawPitchInv, T);
                                var E = e._TmpMats[4];
                                this._boneQuat.toRotationMatrix(E),
                                this.mesh.getWorldMatrix().multiplyToRef(E, E),
                                x.TransformCoordinatesToRef(T, E, T),
                                x.TransformCoordinatesToRef(T, d, T);
                                var S = Math.atan2(T.x, T.z);
                                if (this._getAngleBetween(S, y) > this._getAngleBetween(S, this._midYawConstraint)) {
                                    null == _ && (_ = Math.sqrt(m.x * m.x + m.z * m.z));
                                    var A = this._getAngleBetween(S, this._maxYaw);
                                    this._getAngleBetween(S, this._minYaw) < A ? (b = S + .75 * Math.PI,
                                    m.z = Math.cos(b) * _,
                                    m.x = Math.sin(b) * _) : (b = S - .75 * Math.PI,
                                    m.z = Math.cos(b) * _,
                                    m.x = Math.sin(b) * _)
                                }
                            }
                            y != b && (x.TransformCoordinatesToRef(m, h, m),
                            m.addInPlace(i),
                            n = m)
                        }
                    }
                    var R = e._TmpVecs[5]
                      , M = e._TmpVecs[6]
                      , I = e._TmpVecs[7]
                      , O = e._TmpQuat;
                    n.subtractToRef(i, R),
                    R.normalize(),
                    x.CrossToRef(l, R, M),
                    M.normalize(),
                    x.CrossToRef(R, M, I),
                    I.normalize(),
                    P.FromXYZAxesToRef(M, I, R, r),
                    0 === M.x && 0 === M.y && 0 === M.z || 0 === I.x && 0 === I.y && 0 === I.z || 0 === R.x && 0 === R.y && 0 === R.z || ((this.adjustYaw || this.adjustPitch || this.adjustRoll) && (P.RotationYawPitchRollToRef(this.adjustYaw, this.adjustPitch, this.adjustRoll, o),
                    o.multiplyToRef(r, r)),
                    this.slerpAmount < 1 ? (this._slerping || this.bone.getRotationQuaternionToRef(Ji.WORLD, this.mesh, this._boneQuat),
                    this._transformYawPitch && this._transformYawPitch.multiplyToRef(r, r),
                    C.FromRotationMatrixToRef(r, O),
                    C.SlerpToRef(this._boneQuat, O, this.slerpAmount, this._boneQuat),
                    this.bone.setRotationQuaternion(this._boneQuat, Ji.WORLD, this.mesh),
                    this._slerping = !0) : (this._transformYawPitch && this._transformYawPitch.multiplyToRef(r, r),
                    this.bone.setRotationMatrix(r, Ji.WORLD, this.mesh),
                    this._slerping = !1),
                    this._updateLinkedTransformRotation())
                }
            }
            ,
            e.prototype._getAngleDiff = function(e, t) {
                var i = t - e;
                return (i %= 2 * Math.PI) > Math.PI ? i -= 2 * Math.PI : i < -Math.PI && (i += 2 * Math.PI),
                i
            }
            ,
            e.prototype._getAngleBetween = function(e, t) {
                var i = 0;
                return (i = (e = (e %= 2 * Math.PI) < 0 ? e + 2 * Math.PI : e) < (t = (t %= 2 * Math.PI) < 0 ? t + 2 * Math.PI : t) ? t - e : e - t) > Math.PI && (i = 2 * Math.PI - i),
                i
            }
            ,
            e.prototype._isAngleBetween = function(e, t, i) {
                if (e = (e %= 2 * Math.PI) < 0 ? e + 2 * Math.PI : e,
                (t = (t %= 2 * Math.PI) < 0 ? t + 2 * Math.PI : t) < (i = (i %= 2 * Math.PI) < 0 ? i + 2 * Math.PI : i)) {
                    if (e > t && e < i)
                        return !0
                } else if (e > i && e < t)
                    return !0;
                return !1
            }
            ,
            e.prototype._updateLinkedTransformRotation = function() {
                var e = this.bone;
                e._linkedTransformNode && (e._linkedTransformNode.rotationQuaternion || (e._linkedTransformNode.rotationQuaternion = new C),
                e.getRotationQuaternionToRef(Ji.LOCAL, null, e._linkedTransformNode.rotationQuaternion))
            }
            ,
            e._TmpVecs = g.BuildArray(10, x.Zero),
            e._TmpQuat = C.Identity(),
            e._TmpMats = g.BuildArray(5, P.Identity),
            e
        }()
          , Fo = function() {
            function e(e, t, i) {
                this.name = e,
                this.id = t,
                this.bones = new Array,
                this.needInitialSkinMatrix = !1,
                this._isDirty = !0,
                this._meshesWithPoseMatrix = new Array,
                this._identity = P.Identity(),
                this._ranges = {},
                this._lastAbsoluteTransformsUpdateId = -1,
                this._canUseTextureForBones = !1,
                this._uniqueId = 0,
                this._numBonesWithLinkedTransformNode = 0,
                this._hasWaitingData = null,
                this._parentContainer = null,
                this.doNotSerialize = !1,
                this._useTextureToStoreBoneMatrices = !0,
                this._animationPropertiesOverride = null,
                this.onBeforeComputeObservable = new h,
                this.bones = [],
                this._scene = i || E.LastCreatedScene,
                this._uniqueId = this._scene.getUniqueId(),
                this._scene.addSkeleton(this),
                this._isDirty = !0;
                var n = this._scene.getEngine().getCaps();
                this._canUseTextureForBones = n.textureFloat && n.maxVertexTextureImageUnits > 0
            }
            return Object.defineProperty(e.prototype, "useTextureToStoreBoneMatrices", {
                get: function() {
                    return this._useTextureToStoreBoneMatrices
                },
                set: function(e) {
                    this._useTextureToStoreBoneMatrices = e,
                    this._markAsDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "animationPropertiesOverride", {
                get: function() {
                    return this._animationPropertiesOverride ? this._animationPropertiesOverride : this._scene.animationPropertiesOverride
                },
                set: function(e) {
                    this._animationPropertiesOverride = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isUsingTextureForMatrices", {
                get: function() {
                    return this.useTextureToStoreBoneMatrices && this._canUseTextureForBones
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "uniqueId", {
                get: function() {
                    return this._uniqueId
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "Skeleton"
            }
            ,
            e.prototype.getChildren = function() {
                return this.bones.filter((function(e) {
                    return !e.getParent()
                }
                ))
            }
            ,
            e.prototype.getTransformMatrices = function(e) {
                return this.needInitialSkinMatrix ? (e._bonesTransformMatrices || this.prepare(),
                e._bonesTransformMatrices) : (this._transformMatrices || this.prepare(),
                this._transformMatrices)
            }
            ,
            e.prototype.getTransformMatrixTexture = function(e) {
                return this.needInitialSkinMatrix && e._transformMatrixTexture ? e._transformMatrixTexture : this._transformMatrixTexture
            }
            ,
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            e.prototype.toString = function(e) {
                var t = "Name: ".concat(this.name, ", nBones: ").concat(this.bones.length);
                if (t += ", nAnimationRanges: ".concat(this._ranges ? Object.keys(this._ranges).length : "none"),
                e) {
                    t += ", Ranges: {";
                    var i = !0;
                    for (var n in this._ranges)
                        i && (t += ", ",
                        i = !1),
                        t += n;
                    t += "}"
                }
                return t
            }
            ,
            e.prototype.getBoneIndexByName = function(e) {
                for (var t = 0, i = this.bones.length; t < i; t++)
                    if (this.bones[t].name === e)
                        return t;
                return -1
            }
            ,
            e.prototype.createAnimationRange = function(e, t, i) {
                if (!this._ranges[e]) {
                    this._ranges[e] = new We(e,t,i);
                    for (var n = 0, r = this.bones.length; n < r; n++)
                        this.bones[n].animations[0] && this.bones[n].animations[0].createRange(e, t, i)
                }
            }
            ,
            e.prototype.deleteAnimationRange = function(e, t) {
                void 0 === t && (t = !0);
                for (var i = 0, n = this.bones.length; i < n; i++)
                    this.bones[i].animations[0] && this.bones[i].animations[0].deleteRange(e, t);
                this._ranges[e] = null
            }
            ,
            e.prototype.getAnimationRange = function(e) {
                return this._ranges[e] || null
            }
            ,
            e.prototype.getAnimationRanges = function() {
                var e, t = [];
                for (e in this._ranges)
                    t.push(this._ranges[e]);
                return t
            }
            ,
            e.prototype.copyAnimationRange = function(e, t, i) {
                if (void 0 === i && (i = !1),
                this._ranges[t] || !e.getAnimationRange(t))
                    return !1;
                var n, r, o = !0, a = this._getHighestAnimationFrame() + 1, s = {}, l = e.bones;
                for (r = 0,
                n = l.length; r < n; r++)
                    s[l[r].name] = l[r];
                this.bones.length !== l.length && (K.Warn("copyAnimationRange: this rig has ".concat(this.bones.length, " bones, while source as ").concat(l.length)),
                o = !1);
                var c = i && this.dimensionsAtRest && e.dimensionsAtRest ? this.dimensionsAtRest.divide(e.dimensionsAtRest) : null;
                for (r = 0,
                n = this.bones.length; r < n; r++) {
                    var u = this.bones[r].name
                      , h = s[u];
                    h ? o = o && this.bones[r].copyAnimationRange(h, t, a, i, c) : (K.Warn("copyAnimationRange: not same rig, missing source bone " + u),
                    o = !1)
                }
                var d = e.getAnimationRange(t);
                return d && (this._ranges[t] = new We(t,d.from + a,d.to + a)),
                o
            }
            ,
            e.prototype.returnToRest = function() {
                for (var e = 0, t = this.bones; e < t.length; e++) {
                    var i = t[e];
                    -1 !== i._index && i.returnToRest()
                }
            }
            ,
            e.prototype._getHighestAnimationFrame = function() {
                for (var e = 0, t = 0, i = this.bones.length; t < i; t++)
                    if (this.bones[t].animations[0]) {
                        var n = this.bones[t].animations[0].getHighestFrame();
                        e < n && (e = n)
                    }
                return e
            }
            ,
            e.prototype.beginAnimation = function(e, t, i, n) {
                var r = this.getAnimationRange(e);
                return r ? this._scene.beginAnimation(this, r.from, r.to, t, i, n) : null
            }
            ,
            e.MakeAnimationAdditive = function(e, t, i) {
                void 0 === t && (t = 0);
                var n = e.getAnimationRange(i);
                if (!n)
                    return null;
                for (var r = e._scene.getAllAnimatablesByTarget(e), o = null, a = 0; a < r.length; a++) {
                    var s = r[a];
                    if (s.fromFrame === (null == n ? void 0 : n.from) && s.toFrame === (null == n ? void 0 : n.to)) {
                        o = s;
                        break
                    }
                }
                var l = e.getAnimatables();
                for (a = 0; a < l.length; a++) {
                    var c = l[a].animations;
                    if (c)
                        for (var u = 0; u < c.length; u++)
                            Qe.MakeAnimationAdditive(c[u], t, i)
                }
                return o && (o.isAdditive = !0),
                e
            }
            ,
            e.prototype._markAsDirty = function() {
                this._isDirty = !0
            }
            ,
            e.prototype._registerMeshWithPoseMatrix = function(e) {
                this._meshesWithPoseMatrix.push(e)
            }
            ,
            e.prototype._unregisterMeshWithPoseMatrix = function(e) {
                var t = this._meshesWithPoseMatrix.indexOf(e);
                t > -1 && this._meshesWithPoseMatrix.splice(t, 1)
            }
            ,
            e.prototype._computeTransformMatrices = function(e, t) {
                this.onBeforeComputeObservable.notifyObservers(this);
                for (var i = 0; i < this.bones.length; i++) {
                    var n = this.bones[i];
                    n._childUpdateId++;
                    var r = n.getParent();
                    if (r ? n.getLocalMatrix().multiplyToRef(r.getWorldMatrix(), n.getWorldMatrix()) : t ? n.getLocalMatrix().multiplyToRef(t, n.getWorldMatrix()) : n.getWorldMatrix().copyFrom(n.getLocalMatrix()),
                    -1 !== n._index) {
                        var o = null === n._index ? i : n._index;
                        n.getInvertedAbsoluteTransform().multiplyToArray(n.getWorldMatrix(), e, 16 * o)
                    }
                }
                this._identity.copyToArray(e, 16 * this.bones.length)
            }
            ,
            e.prototype.prepare = function() {
                if (this._numBonesWithLinkedTransformNode > 0)
                    for (var e = 0, t = this.bones; e < t.length; e++)
                        (u = t[e])._linkedTransformNode && (u._linkedTransformNode.computeWorldMatrix(),
                        u._matrix = u._linkedTransformNode._localMatrix);
                if (this.needInitialSkinMatrix)
                    for (var i = 0, n = this._meshesWithPoseMatrix; i < n.length; i++) {
                        var r = n[i]
                          , o = r.getPoseMatrix()
                          , s = this._isDirty;
                        if (r._bonesTransformMatrices && r._bonesTransformMatrices.length === 16 * (this.bones.length + 1) || (r._bonesTransformMatrices = new Float32Array(16 * (this.bones.length + 1)),
                        s = !0),
                        s) {
                            if (this._synchronizedWithMesh !== r) {
                                this._synchronizedWithMesh = r;
                                for (var l = 0, c = this.bones; l < c.length; l++) {
                                    var u;
                                    (u = c[l]).getParent() || (u.getBaseMatrix().multiplyToRef(o, I.Matrix[1]),
                                    u._updateDifferenceMatrix(I.Matrix[1]))
                                }
                                if (this.isUsingTextureForMatrices) {
                                    var h = 4 * (this.bones.length + 1);
                                    r._transformMatrixTexture && r._transformMatrixTexture.getSize().width === h || (r._transformMatrixTexture && r._transformMatrixTexture.dispose(),
                                    r._transformMatrixTexture = ao.CreateRGBATexture(r._bonesTransformMatrices, 4 * (this.bones.length + 1), 1, this._scene, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE, a.TEXTURETYPE_FLOAT))
                                }
                            }
                            this._computeTransformMatrices(r._bonesTransformMatrices, o),
                            this.isUsingTextureForMatrices && r._transformMatrixTexture && r._transformMatrixTexture.update(r._bonesTransformMatrices)
                        }
                    }
                else {
                    if (!this._isDirty)
                        return;
                    this._transformMatrices && this._transformMatrices.length === 16 * (this.bones.length + 1) || (this._transformMatrices = new Float32Array(16 * (this.bones.length + 1)),
                    this.isUsingTextureForMatrices && (this._transformMatrixTexture && this._transformMatrixTexture.dispose(),
                    this._transformMatrixTexture = ao.CreateRGBATexture(this._transformMatrices, 4 * (this.bones.length + 1), 1, this._scene, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE, a.TEXTURETYPE_FLOAT))),
                    this._computeTransformMatrices(this._transformMatrices, null),
                    this.isUsingTextureForMatrices && this._transformMatrixTexture && this._transformMatrixTexture.update(this._transformMatrices)
                }
                this._isDirty = !1
            }
            ,
            e.prototype.getAnimatables = function() {
                if (!this._animatables || this._animatables.length !== this.bones.length) {
                    this._animatables = [];
                    for (var e = 0; e < this.bones.length; e++)
                        this._animatables.push(this.bones[e])
                }
                return this._animatables
            }
            ,
            e.prototype.clone = function(t, i) {
                var n = new e(t,i || t,this._scene);
                n.needInitialSkinMatrix = this.needInitialSkinMatrix;
                for (var r = 0; r < this.bones.length; r++) {
                    var o = this.bones[r]
                      , a = null
                      , s = o.getParent();
                    if (s) {
                        var l = this.bones.indexOf(s);
                        a = n.bones[l]
                    }
                    var c = new yn(o.name,n,a,o.getBaseMatrix().clone(),o.getRestPose().clone());
                    c._index = o._index,
                    o._linkedTransformNode && c.linkTransformNode(o._linkedTransformNode),
                    fe.DeepCopy(o.animations, c.animations)
                }
                if (this._ranges)
                    for (var u in n._ranges = {},
                    this._ranges) {
                        var h = this._ranges[u];
                        h && (n._ranges[u] = h.clone())
                    }
                return this._isDirty = !0,
                n
            }
            ,
            e.prototype.enableBlending = function(e) {
                void 0 === e && (e = .01),
                this.bones.forEach((function(t) {
                    t.animations.forEach((function(t) {
                        t.enableBlending = !0,
                        t.blendingSpeed = e
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                if (this._meshesWithPoseMatrix = [],
                this.getScene().stopAnimation(this),
                this.getScene().removeSkeleton(this),
                this._parentContainer) {
                    var e = this._parentContainer.skeletons.indexOf(this);
                    e > -1 && this._parentContainer.skeletons.splice(e, 1),
                    this._parentContainer = null
                }
                this._transformMatrixTexture && (this._transformMatrixTexture.dispose(),
                this._transformMatrixTexture = null)
            }
            ,
            e.prototype.serialize = function() {
                var e, t = {};
                t.name = this.name,
                t.id = this.id,
                this.dimensionsAtRest && (t.dimensionsAtRest = this.dimensionsAtRest.asArray()),
                t.bones = [],
                t.needInitialSkinMatrix = this.needInitialSkinMatrix;
                for (var i = 0; i < this.bones.length; i++) {
                    var n = this.bones[i]
                      , r = n.getParent()
                      , o = {
                        parentBoneIndex: r ? this.bones.indexOf(r) : -1,
                        index: n.getIndex(),
                        name: n.name,
                        id: n.id,
                        matrix: n.getBaseMatrix().toArray(),
                        rest: n.getRestPose().toArray(),
                        linkedTransformNodeId: null === (e = n.getTransformNode()) || void 0 === e ? void 0 : e.id
                    };
                    for (var a in t.bones.push(o),
                    n.length && (o.length = n.length),
                    n.metadata && (o.metadata = n.metadata),
                    n.animations && n.animations.length > 0 && (o.animation = n.animations[0].serialize()),
                    t.ranges = [],
                    this._ranges) {
                        var s = this._ranges[a];
                        if (s) {
                            var l = {};
                            l.name = a,
                            l.from = s.from,
                            l.to = s.to,
                            t.ranges.push(l)
                        }
                    }
                }
                return t
            }
            ,
            e.Parse = function(t, i) {
                var n, r = new e(t.name,t.id,i);
                for (t.dimensionsAtRest && (r.dimensionsAtRest = x.FromArray(t.dimensionsAtRest)),
                r.needInitialSkinMatrix = t.needInitialSkinMatrix,
                n = 0; n < t.bones.length; n++) {
                    var o = t.bones[n]
                      , a = t.bones[n].index
                      , s = null;
                    o.parentBoneIndex > -1 && (s = r.bones[o.parentBoneIndex]);
                    var l = o.rest ? P.FromArray(o.rest) : null
                      , c = new yn(o.name,r,s,P.FromArray(o.matrix),l,null,a);
                    void 0 !== o.id && null !== o.id && (c.id = o.id),
                    o.length && (c.length = o.length),
                    o.metadata && (c.metadata = o.metadata),
                    o.animation && c.animations.push(Qe.Parse(o.animation)),
                    void 0 !== o.linkedTransformNodeId && null !== o.linkedTransformNodeId && (r._hasWaitingData = !0,
                    c._waitingTransformNodeId = o.linkedTransformNodeId)
                }
                if (t.ranges)
                    for (n = 0; n < t.ranges.length; n++) {
                        var u = t.ranges[n];
                        r.createAnimationRange(u.name, u.from, u.to)
                    }
                return r
            }
            ,
            e.prototype.computeAbsoluteTransforms = function(e) {
                void 0 === e && (e = !1);
                var t = this._scene.getRenderId();
                (this._lastAbsoluteTransformsUpdateId != t || e) && (this.bones[0].computeAbsoluteTransforms(),
                this._lastAbsoluteTransformsUpdateId = t)
            }
            ,
            e.prototype.getPoseMatrix = function() {
                var e = null;
                return this._meshesWithPoseMatrix.length > 0 && (e = this._meshesWithPoseMatrix[0].getPoseMatrix()),
                e
            }
            ,
            e.prototype.sortBones = function() {
                for (var e = new Array, t = new Array(this.bones.length), i = 0; i < this.bones.length; i++)
                    this._sortBones(i, e, t);
                this.bones = e
            }
            ,
            e.prototype._sortBones = function(e, t, i) {
                if (!i[e]) {
                    i[e] = !0;
                    var n = this.bones[e];
                    void 0 === n._index && (n._index = e);
                    var r = n.getParent();
                    r && this._sortBones(this.bones.indexOf(r), t, i),
                    t.push(n)
                }
            }
            ,
            e.prototype.setCurrentPoseAsRest = function() {
                this.bones.forEach((function(e) {
                    e.setCurrentPoseAsRest()
                }
                ))
            }
            ,
            e
        }()
          , wo = function() {
            function e(e, t, i) {
                void 0 === i && (i = a.BUFFER_CREATIONFLAG_READWRITE),
                this._engine = e,
                this._engine._storageBuffers.push(this),
                this._create(t, i)
            }
            return e.prototype._create = function(e, t) {
                this._bufferSize = e,
                this._creationFlags = t,
                this._buffer = this._engine.createStorageBuffer(e, t)
            }
            ,
            e.prototype._rebuild = function() {
                this._create(this._bufferSize, this._creationFlags)
            }
            ,
            e.prototype.getBuffer = function() {
                return this._buffer
            }
            ,
            e.prototype.update = function(e, t, i) {
                this._buffer && this._engine.updateStorageBuffer(this._buffer, e, t, i)
            }
            ,
            e.prototype.read = function(e, t, i) {
                return this._engine.readFromStorageBuffer(this._buffer, e, t, i)
            }
            ,
            e.prototype.dispose = function() {
                var e = this._engine._storageBuffers
                  , t = e.indexOf(this);
                -1 !== t && (e[t] = e[e.length - 1],
                e.pop()),
                this._engine._releaseBuffer(this._buffer),
                this._buffer = null
            }
            ,
            e
        }()
          , Bo = function() {
            function e() {
                this.wheelPrecisionX = 3,
                this.wheelPrecisionY = 3,
                this.wheelPrecisionZ = 3,
                this.onChangedObservable = new h,
                this._wheelDeltaX = 0,
                this._wheelDeltaY = 0,
                this._wheelDeltaZ = 0,
                this._ffMultiplier = 12,
                this._normalize = 120
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._wheel = function(i) {
                    if (i.type === Xi.POINTERWHEEL) {
                        var n = i.event
                          , r = n.deltaMode === $i.DOM_DELTA_LINE ? t._ffMultiplier : 1;
                        void 0 !== n.deltaY ? (t._wheelDeltaX += t.wheelPrecisionX * r * n.deltaX / t._normalize,
                        t._wheelDeltaY -= t.wheelPrecisionY * r * n.deltaY / t._normalize,
                        t._wheelDeltaZ += t.wheelPrecisionZ * r * n.deltaZ / t._normalize) : void 0 !== n.wheelDeltaY ? (t._wheelDeltaX += t.wheelPrecisionX * r * n.wheelDeltaX / t._normalize,
                        t._wheelDeltaY -= t.wheelPrecisionY * r * n.wheelDeltaY / t._normalize,
                        t._wheelDeltaZ += t.wheelPrecisionZ * r * n.wheelDeltaZ / t._normalize) : n.wheelDelta && (t._wheelDeltaY -= t.wheelPrecisionY * n.wheelDelta / t._normalize),
                        n.preventDefault && (e || n.preventDefault())
                    }
                }
                ,
                this._observer = this.camera.getScene().onPointerObservable.add(this._wheel, Xi.POINTERWHEEL)
            }
            ,
            e.prototype.detachControl = function() {
                this._observer && (this.camera.getScene().onPointerObservable.remove(this._observer),
                this._observer = null,
                this._wheel = null),
                this.onChangedObservable && this.onChangedObservable.clear()
            }
            ,
            e.prototype.checkInputs = function() {
                this.onChangedObservable.notifyObservers({
                    wheelDeltaX: this._wheelDeltaX,
                    wheelDeltaY: this._wheelDeltaY,
                    wheelDeltaZ: this._wheelDeltaZ
                }),
                this._wheelDeltaX = 0,
                this._wheelDeltaY = 0,
                this._wheelDeltaZ = 0
            }
            ,
            e.prototype.getClassName = function() {
                return "BaseCameraMouseWheelInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "mousewheel"
            }
            ,
            k([Ce()], e.prototype, "wheelPrecisionX", void 0),
            k([Ce()], e.prototype, "wheelPrecisionY", void 0),
            k([Ce()], e.prototype, "wheelPrecisionZ", void 0),
            e
        }()
          , Uo = function() {
            function e() {
                this._currentActiveButton = -1,
                this.buttons = [0, 1, 2]
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments);
                var i = this.camera.getEngine()
                  , n = i.getInputElement()
                  , r = 0
                  , o = null;
                this._pointA = null,
                this._pointB = null,
                this._altKey = !1,
                this._ctrlKey = !1,
                this._metaKey = !1,
                this._shiftKey = !1,
                this._buttonsPressed = 0,
                this._pointerInput = function(a) {
                    var s = a.event
                      , l = "touch" === s.pointerType;
                    if (!i.isInVRExclusivePointerMode && (a.type === Xi.POINTERMOVE || -1 !== t.buttons.indexOf(s.button))) {
                        var c = s.srcElement || s.target;
                        if (t._altKey = s.altKey,
                        t._ctrlKey = s.ctrlKey,
                        t._metaKey = s.metaKey,
                        t._shiftKey = s.shiftKey,
                        t._buttonsPressed = s.buttons,
                        i.isPointerLock) {
                            var u = s.movementX || s.mozMovementX || s.webkitMovementX || s.msMovementX || 0
                              , h = s.movementY || s.mozMovementY || s.webkitMovementY || s.msMovementY || 0;
                            t.onTouch(null, u, h),
                            t._pointA = null,
                            t._pointB = null
                        } else if (a.type !== Xi.POINTERDOWN || -1 !== t._currentActiveButton && !l)
                            if (a.type === Xi.POINTERDOUBLETAP)
                                t.onDoubleTap(s.pointerType);
                            else if (a.type !== Xi.POINTERUP || t._currentActiveButton !== s.button && !l) {
                                if (a.type === Xi.POINTERMOVE)
                                    if (e || s.preventDefault(),
                                    t._pointA && null === t._pointB)
                                        u = s.clientX - t._pointA.x,
                                        h = s.clientY - t._pointA.y,
                                        t.onTouch(t._pointA, u, h),
                                        t._pointA.x = s.clientX,
                                        t._pointA.y = s.clientY;
                                    else if (t._pointA && t._pointB) {
                                        var d = t._pointA.pointerId === s.pointerId ? t._pointA : t._pointB;
                                        d.x = s.clientX,
                                        d.y = s.clientY;
                                        var p = t._pointA.x - t._pointB.x
                                          , f = t._pointA.y - t._pointB.y
                                          , _ = p * p + f * f
                                          , m = {
                                            x: (t._pointA.x + t._pointB.x) / 2,
                                            y: (t._pointA.y + t._pointB.y) / 2,
                                            pointerId: s.pointerId,
                                            type: a.type
                                        };
                                        t.onMultiTouch(t._pointA, t._pointB, r, _, o, m),
                                        o = m,
                                        r = _
                                    }
                            } else {
                                try {
                                    null == c || c.releasePointerCapture(s.pointerId)
                                } catch (e) {}
                                l || (t._pointB = null),
                                i._badOS ? t._pointA = t._pointB = null : t._pointB && t._pointA && t._pointA.pointerId == s.pointerId ? (t._pointA = t._pointB,
                                t._pointB = null) : t._pointA && t._pointB && t._pointB.pointerId == s.pointerId ? t._pointB = null : t._pointA = t._pointB = null,
                                (0 !== r || o) && (t.onMultiTouch(t._pointA, t._pointB, r, 0, o, null),
                                r = 0,
                                o = null),
                                t._currentActiveButton = -1,
                                t.onButtonUp(s),
                                e || s.preventDefault()
                            }
                        else {
                            try {
                                null == c || c.setPointerCapture(s.pointerId)
                            } catch (e) {}
                            null === t._pointA ? t._pointA = {
                                x: s.clientX,
                                y: s.clientY,
                                pointerId: s.pointerId,
                                type: s.pointerType
                            } : null === t._pointB && (t._pointB = {
                                x: s.clientX,
                                y: s.clientY,
                                pointerId: s.pointerId,
                                type: s.pointerType
                            }),
                            -1 !== t._currentActiveButton || l || (t._currentActiveButton = s.button),
                            t.onButtonDown(s),
                            e || (s.preventDefault(),
                            n && n.focus())
                        }
                    }
                }
                ,
                this._observer = this.camera.getScene().onPointerObservable.add(this._pointerInput, Xi.POINTERDOWN | Xi.POINTERUP | Xi.POINTERMOVE | Xi.POINTERDOUBLETAP),
                this._onLostFocus = function() {
                    t._pointA = t._pointB = null,
                    r = 0,
                    o = null,
                    t.onLostFocus()
                }
                ,
                this._contextMenuBind = this.onContextMenu.bind(this),
                n && n.addEventListener("contextmenu", this._contextMenuBind, !1);
                var a = this.camera.getScene().getEngine().getHostWindow();
                a && gi.RegisterTopRootEvents(a, [{
                    name: "blur",
                    handler: this._onLostFocus
                }])
            }
            ,
            e.prototype.detachControl = function() {
                if (this._onLostFocus) {
                    var e = this.camera.getScene().getEngine().getHostWindow();
                    e && gi.UnregisterTopRootEvents(e, [{
                        name: "blur",
                        handler: this._onLostFocus
                    }])
                }
                if (this._observer) {
                    if (this.camera.getScene().onPointerObservable.remove(this._observer),
                    this._observer = null,
                    this._contextMenuBind) {
                        var t = this.camera.getScene().getEngine().getInputElement();
                        t && t.removeEventListener("contextmenu", this._contextMenuBind)
                    }
                    this._onLostFocus = null
                }
                this._altKey = !1,
                this._ctrlKey = !1,
                this._metaKey = !1,
                this._shiftKey = !1,
                this._buttonsPressed = 0
            }
            ,
            e.prototype.getClassName = function() {
                return "BaseCameraPointersInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "pointers"
            }
            ,
            e.prototype.onDoubleTap = function(e) {}
            ,
            e.prototype.onTouch = function(e, t, i) {}
            ,
            e.prototype.onMultiTouch = function(e, t, i, n, r, o) {}
            ,
            e.prototype.onContextMenu = function(e) {
                e.preventDefault()
            }
            ,
            e.prototype.onButtonDown = function(e) {}
            ,
            e.prototype.onButtonUp = function(e) {}
            ,
            e.prototype.onLostFocus = function() {}
            ,
            k([Ce()], e.prototype, "buttons", void 0),
            e
        }()
          , Vo = {}
          , ko = function() {
            function e(e) {
                this.attachedToElement = !1,
                this.attached = {},
                this.camera = e,
                this.checkInputs = function() {}
            }
            return e.prototype.add = function(e) {
                var t = e.getSimpleName();
                this.attached[t] ? K.Warn("camera input of type " + t + " already exists on camera") : (this.attached[t] = e,
                e.camera = this.camera,
                e.checkInputs && (this.checkInputs = this._addCheckInputs(e.checkInputs.bind(e))),
                this.attachedToElement && e.attachControl())
            }
            ,
            e.prototype.remove = function(e) {
                for (var t in this.attached) {
                    var i = this.attached[t];
                    i === e && (i.detachControl(),
                    i.camera = null,
                    delete this.attached[t],
                    this.rebuildInputCheck())
                }
            }
            ,
            e.prototype.removeByType = function(e) {
                for (var t in this.attached) {
                    var i = this.attached[t];
                    i.getClassName() === e && (i.detachControl(),
                    i.camera = null,
                    delete this.attached[t],
                    this.rebuildInputCheck())
                }
            }
            ,
            e.prototype._addCheckInputs = function(e) {
                var t = this.checkInputs;
                return function() {
                    t(),
                    e()
                }
            }
            ,
            e.prototype.attachInput = function(e) {
                this.attachedToElement && e.attachControl(this.noPreventDefault)
            }
            ,
            e.prototype.attachElement = function(e) {
                if (void 0 === e && (e = !1),
                !this.attachedToElement)
                    for (var t in e = !Rr.ForceAttachControlToAlwaysPreventDefault && e,
                    this.attachedToElement = !0,
                    this.noPreventDefault = e,
                    this.attached)
                        this.attached[t].attachControl(e)
            }
            ,
            e.prototype.detachElement = function(e) {
                for (var t in void 0 === e && (e = !1),
                this.attached)
                    this.attached[t].detachControl(),
                    e && (this.attached[t].camera = null);
                this.attachedToElement = !1
            }
            ,
            e.prototype.rebuildInputCheck = function() {
                for (var e in this.checkInputs = function() {}
                ,
                this.attached) {
                    var t = this.attached[e];
                    t.checkInputs && (this.checkInputs = this._addCheckInputs(t.checkInputs.bind(t)))
                }
            }
            ,
            e.prototype.clear = function() {
                this.attachedToElement && this.detachElement(!0),
                this.attached = {},
                this.attachedToElement = !1,
                this.checkInputs = function() {}
            }
            ,
            e.prototype.serialize = function(e) {
                var t = {};
                for (var i in this.attached) {
                    var n = this.attached[i]
                      , r = Ge.Serialize(n);
                    t[n.getClassName()] = r
                }
                e.inputsmgr = t
            }
            ,
            e.prototype.parse = function(e) {
                var t = e.inputsmgr;
                if (t) {
                    this.clear();
                    var i = function(e) {
                        var i = Vo[e];
                        if (i) {
                            var r = t[e]
                              , o = Ge.Parse((function() {
                                return new i
                            }
                            ), r, null);
                            n.add(o)
                        }
                    }
                      , n = this;
                    for (var r in t)
                        i(r)
                } else {
                    var o = function(t) {
                        var i = Vo[a.attached[t].getClassName()];
                        if (i) {
                            var n = Ge.Parse((function() {
                                return new i
                            }
                            ), e, null);
                            a.remove(a.attached[t]),
                            a.add(n)
                        }
                    }
                      , a = this;
                    for (var r in this.attached)
                        o(r)
                }
            }
            ,
            e
        }()
          , Go = function(e, t) {
            this.x = e,
            this.y = t
        }
          , zo = function() {
            function e(t, i, n, r, o, a, s) {
                void 0 === r && (r = 0),
                void 0 === o && (o = 1),
                void 0 === a && (a = 2),
                void 0 === s && (s = 3),
                this.id = t,
                this.index = i,
                this.browserGamepad = n,
                this._leftStick = {
                    x: 0,
                    y: 0
                },
                this._rightStick = {
                    x: 0,
                    y: 0
                },
                this._isConnected = !0,
                this._invertLeftStickY = !1,
                this.type = e.GAMEPAD,
                this._leftStickAxisX = r,
                this._leftStickAxisY = o,
                this._rightStickAxisX = a,
                this._rightStickAxisY = s,
                this.browserGamepad.axes.length >= 2 && (this._leftStick = {
                    x: this.browserGamepad.axes[this._leftStickAxisX],
                    y: this.browserGamepad.axes[this._leftStickAxisY]
                }),
                this.browserGamepad.axes.length >= 4 && (this._rightStick = {
                    x: this.browserGamepad.axes[this._rightStickAxisX],
                    y: this.browserGamepad.axes[this._rightStickAxisY]
                })
            }
            return Object.defineProperty(e.prototype, "isConnected", {
                get: function() {
                    return this._isConnected
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.onleftstickchanged = function(e) {
                this._onleftstickchanged = e
            }
            ,
            e.prototype.onrightstickchanged = function(e) {
                this._onrightstickchanged = e
            }
            ,
            Object.defineProperty(e.prototype, "leftStick", {
                get: function() {
                    return this._leftStick
                },
                set: function(e) {
                    !this._onleftstickchanged || this._leftStick.x === e.x && this._leftStick.y === e.y || this._onleftstickchanged(e),
                    this._leftStick = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rightStick", {
                get: function() {
                    return this._rightStick
                },
                set: function(e) {
                    !this._onrightstickchanged || this._rightStick.x === e.x && this._rightStick.y === e.y || this._onrightstickchanged(e),
                    this._rightStick = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.update = function() {
                this._leftStick && (this.leftStick = {
                    x: this.browserGamepad.axes[this._leftStickAxisX],
                    y: this.browserGamepad.axes[this._leftStickAxisY]
                },
                this._invertLeftStickY && (this.leftStick.y *= -1)),
                this._rightStick && (this.rightStick = {
                    x: this.browserGamepad.axes[this._rightStickAxisX],
                    y: this.browserGamepad.axes[this._rightStickAxisY]
                })
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e.GAMEPAD = 0,
            e.GENERIC = 1,
            e.XBOX = 2,
            e.POSE_ENABLED = 3,
            e.DUALSHOCK = 4,
            e
        }()
          , Wo = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r.onButtonDownObservable = new h,
                r.onButtonUpObservable = new h,
                r.type = zo.GENERIC,
                r._buttons = new Array(n.buttons.length),
                r
            }
            return U(t, e),
            t.prototype.onbuttondown = function(e) {
                this._onbuttondown = e
            }
            ,
            t.prototype.onbuttonup = function(e) {
                this._onbuttonup = e
            }
            ,
            t.prototype._setButtonValue = function(e, t, i) {
                return e !== t && (1 === e && (this._onbuttondown && this._onbuttondown(i),
                this.onButtonDownObservable.notifyObservers(i)),
                0 === e && (this._onbuttonup && this._onbuttonup(i),
                this.onButtonUpObservable.notifyObservers(i))),
                e
            }
            ,
            t.prototype.update = function() {
                e.prototype.update.call(this);
                for (var t = 0; t < this._buttons.length; t++)
                    this._buttons[t] = this._setButtonValue(this.browserGamepad.buttons[t].value, this._buttons[t], t)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onButtonDownObservable.clear(),
                this.onButtonUpObservable.clear()
            }
            ,
            t
        }(zo)
          , Ho = function() {
            function e() {
                this.gamepadRotationSensibility = 80,
                this.gamepadMoveSensibility = 40,
                this._yAxisScale = 1
            }
            return Object.defineProperty(e.prototype, "invertYAxis", {
                get: function() {
                    return 1 !== this._yAxisScale
                },
                set: function(e) {
                    this._yAxisScale = e ? -1 : 1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.attachControl = function() {
                var e = this
                  , t = this.camera.getScene().gamepadManager;
                this._onGamepadConnectedObserver = t.onGamepadConnectedObservable.add((function(t) {
                    t.type !== zo.POSE_ENABLED && (e.gamepad && t.type !== zo.XBOX || (e.gamepad = t))
                }
                )),
                this._onGamepadDisconnectedObserver = t.onGamepadDisconnectedObservable.add((function(t) {
                    e.gamepad === t && (e.gamepad = null)
                }
                )),
                this.gamepad = t.getGamepadByType(zo.XBOX)
            }
            ,
            e.prototype.detachControl = function() {
                this.camera.getScene().gamepadManager.onGamepadConnectedObservable.remove(this._onGamepadConnectedObserver),
                this.camera.getScene().gamepadManager.onGamepadDisconnectedObservable.remove(this._onGamepadDisconnectedObserver),
                this.gamepad = null
            }
            ,
            e.prototype.checkInputs = function() {
                if (this.gamepad) {
                    var e = this.camera
                      , t = this.gamepad.rightStick;
                    if (t) {
                        if (0 != t.x) {
                            var i = t.x / this.gamepadRotationSensibility;
                            0 != i && Math.abs(i) > .005 && (e.inertialAlphaOffset += i)
                        }
                        if (0 != t.y) {
                            var n = t.y / this.gamepadRotationSensibility * this._yAxisScale;
                            0 != n && Math.abs(n) > .005 && (e.inertialBetaOffset += n)
                        }
                    }
                    var r = this.gamepad.leftStick;
                    if (r && 0 != r.y) {
                        var o = r.y / this.gamepadMoveSensibility;
                        0 != o && Math.abs(o) > .005 && (this.camera.inertialRadiusOffset -= o)
                    }
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "ArcRotateCameraGamepadInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "gamepad"
            }
            ,
            k([Ce()], e.prototype, "gamepadRotationSensibility", void 0),
            k([Ce()], e.prototype, "gamepadMoveSensibility", void 0),
            e
        }();
        Vo.ArcRotateCameraGamepadInput = Ho;
        var Xo = function() {
            function e() {
                this.keysUp = [38],
                this.keysDown = [40],
                this.keysLeft = [37],
                this.keysRight = [39],
                this.keysReset = [220],
                this.panningSensibility = 50,
                this.zoomingSensibility = 25,
                this.useAltToZoom = !0,
                this.angularSpeed = .01,
                this._keys = new Array
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._onCanvasBlurObserver || (this._scene = this.camera.getScene(),
                this._engine = this._scene.getEngine(),
                this._onCanvasBlurObserver = this._engine.onCanvasBlurObservable.add((function() {
                    t._keys = []
                }
                )),
                this._onKeyboardObserver = this._scene.onKeyboardObservable.add((function(i) {
                    var n, r = i.event;
                    r.metaKey || (i.type === Qi.KEYDOWN ? (t._ctrlPressed = r.ctrlKey,
                    t._altPressed = r.altKey,
                    (-1 !== t.keysUp.indexOf(r.keyCode) || -1 !== t.keysDown.indexOf(r.keyCode) || -1 !== t.keysLeft.indexOf(r.keyCode) || -1 !== t.keysRight.indexOf(r.keyCode) || -1 !== t.keysReset.indexOf(r.keyCode)) && (-1 === (n = t._keys.indexOf(r.keyCode)) && t._keys.push(r.keyCode),
                    r.preventDefault && (e || r.preventDefault()))) : -1 === t.keysUp.indexOf(r.keyCode) && -1 === t.keysDown.indexOf(r.keyCode) && -1 === t.keysLeft.indexOf(r.keyCode) && -1 === t.keysRight.indexOf(r.keyCode) && -1 === t.keysReset.indexOf(r.keyCode) || ((n = t._keys.indexOf(r.keyCode)) >= 0 && t._keys.splice(n, 1),
                    r.preventDefault && (e || r.preventDefault())))
                }
                )))
            }
            ,
            e.prototype.detachControl = function() {
                this._scene && (this._onKeyboardObserver && this._scene.onKeyboardObservable.remove(this._onKeyboardObserver),
                this._onCanvasBlurObserver && this._engine.onCanvasBlurObservable.remove(this._onCanvasBlurObserver),
                this._onKeyboardObserver = null,
                this._onCanvasBlurObserver = null),
                this._keys = []
            }
            ,
            e.prototype.checkInputs = function() {
                if (this._onKeyboardObserver)
                    for (var e = this.camera, t = 0; t < this._keys.length; t++) {
                        var i = this._keys[t];
                        -1 !== this.keysLeft.indexOf(i) ? this._ctrlPressed && this.camera._useCtrlForPanning ? e.inertialPanningX -= 1 / this.panningSensibility : e.inertialAlphaOffset -= this.angularSpeed : -1 !== this.keysUp.indexOf(i) ? this._ctrlPressed && this.camera._useCtrlForPanning ? e.inertialPanningY += 1 / this.panningSensibility : this._altPressed && this.useAltToZoom ? e.inertialRadiusOffset += 1 / this.zoomingSensibility : e.inertialBetaOffset -= this.angularSpeed : -1 !== this.keysRight.indexOf(i) ? this._ctrlPressed && this.camera._useCtrlForPanning ? e.inertialPanningX += 1 / this.panningSensibility : e.inertialAlphaOffset += this.angularSpeed : -1 !== this.keysDown.indexOf(i) ? this._ctrlPressed && this.camera._useCtrlForPanning ? e.inertialPanningY -= 1 / this.panningSensibility : this._altPressed && this.useAltToZoom ? e.inertialRadiusOffset -= 1 / this.zoomingSensibility : e.inertialBetaOffset += this.angularSpeed : -1 !== this.keysReset.indexOf(i) && e.useInputToRestoreState && e.restoreState()
                    }
            }
            ,
            e.prototype.getClassName = function() {
                return "ArcRotateCameraKeyboardMoveInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "keyboard"
            }
            ,
            k([Ce()], e.prototype, "keysUp", void 0),
            k([Ce()], e.prototype, "keysDown", void 0),
            k([Ce()], e.prototype, "keysLeft", void 0),
            k([Ce()], e.prototype, "keysRight", void 0),
            k([Ce()], e.prototype, "keysReset", void 0),
            k([Ce()], e.prototype, "panningSensibility", void 0),
            k([Ce()], e.prototype, "zoomingSensibility", void 0),
            k([Ce()], e.prototype, "useAltToZoom", void 0),
            k([Ce()], e.prototype, "angularSpeed", void 0),
            e
        }();
        Vo.ArcRotateCameraKeyboardMoveInput = Xo;
        var jo = function() {
            function e() {
                this.wheelPrecision = 3,
                this.zoomToMouseLocation = !1,
                this.wheelDeltaPercentage = 0,
                this.customComputeDeltaFromMouseWheel = null,
                this._inertialPanning = x.Zero()
            }
            return e.prototype._computeDeltaFromMouseWheelLegacyEvent = function(e, t) {
                var i = .01 * e * this.wheelDeltaPercentage * t;
                return e > 0 ? i / (1 + this.wheelDeltaPercentage) : i * (1 + this.wheelDeltaPercentage)
            }
            ,
            e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._wheel = function(i) {
                    if (i.type === Xi.POINTERWHEEL) {
                        var n, r = i.event, o = 0, a = r, s = r.deltaMode === $i.DOM_DELTA_LINE ? 40 : 1;
                        if (n = void 0 !== r.deltaY ? -r.deltaY * s : void 0 !== r.wheelDeltaY ? -r.wheelDeltaY * s : a.wheelDelta,
                        t.customComputeDeltaFromMouseWheel)
                            o = t.customComputeDeltaFromMouseWheel(n, t, r);
                        else if (t.wheelDeltaPercentage) {
                            if ((o = t._computeDeltaFromMouseWheelLegacyEvent(n, t.camera.radius)) > 0) {
                                for (var l = t.camera.radius, c = t.camera.inertialRadiusOffset + o, u = 0; u < 20 && Math.abs(c) > .001; u++)
                                    l -= c,
                                    c *= t.camera.inertia;
                                l = d.Clamp(l, 0, Number.MAX_VALUE),
                                o = t._computeDeltaFromMouseWheelLegacyEvent(n, l)
                            }
                        } else
                            o = n / (40 * t.wheelPrecision);
                        o && (t.zoomToMouseLocation && t._hitPlane ? t._zoomToMouse(o) : t.camera.inertialRadiusOffset += o),
                        r.preventDefault && (e || r.preventDefault())
                    }
                }
                ,
                this._observer = this.camera.getScene().onPointerObservable.add(this._wheel, Xi.POINTERWHEEL),
                this.zoomToMouseLocation && this._inertialPanning.setAll(0)
            }
            ,
            e.prototype.detachControl = function() {
                this._observer && (this.camera.getScene().onPointerObservable.remove(this._observer),
                this._observer = null,
                this._wheel = null)
            }
            ,
            e.prototype.checkInputs = function() {
                if (this.zoomToMouseLocation) {
                    var e = this.camera;
                    0 + e.inertialAlphaOffset + e.inertialBetaOffset + e.inertialRadiusOffset && (this._updateHitPlane(),
                    e.target.addInPlace(this._inertialPanning),
                    this._inertialPanning.scaleInPlace(e.inertia),
                    this._zeroIfClose(this._inertialPanning))
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "ArcRotateCameraMouseWheelInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "mousewheel"
            }
            ,
            e.prototype._updateHitPlane = function() {
                var e = this.camera
                  , t = e.target.subtract(e.position);
                this._hitPlane = hn.FromPositionAndNormal(e.target, t)
            }
            ,
            e.prototype._getPosition = function() {
                var e, t = this.camera, i = t.getScene(), n = i.createPickingRay(i.pointerX, i.pointerY, P.Identity(), t, !1), r = 0;
                return this._hitPlane && (r = null !== (e = n.intersectsPlane(this._hitPlane)) && void 0 !== e ? e : 0),
                n.origin.addInPlace(n.direction.scaleInPlace(r))
            }
            ,
            e.prototype._zoomToMouse = function(e) {
                var t, i, n = this.camera, r = 1 - n.inertia;
                if (n.lowerRadiusLimit) {
                    var o = null !== (t = n.lowerRadiusLimit) && void 0 !== t ? t : 0;
                    n.radius - (n.inertialRadiusOffset + e) / r < o && (e = (n.radius - o) * r - n.inertialRadiusOffset)
                }
                if (n.upperRadiusLimit) {
                    var a = null !== (i = n.upperRadiusLimit) && void 0 !== i ? i : 0;
                    n.radius - (n.inertialRadiusOffset + e) / r > a && (e = (n.radius - a) * r - n.inertialRadiusOffset)
                }
                var s = e / r / n.radius
                  , l = this._getPosition()
                  , c = I.Vector3[6];
                l.subtractToRef(n.target, c),
                c.scaleInPlace(s),
                c.scaleInPlace(r),
                this._inertialPanning.addInPlace(c),
                n.inertialRadiusOffset += e
            }
            ,
            e.prototype._zeroIfClose = function(e) {
                Math.abs(e.x) < m && (e.x = 0),
                Math.abs(e.y) < m && (e.y = 0),
                Math.abs(e.z) < m && (e.z = 0)
            }
            ,
            k([Ce()], e.prototype, "wheelPrecision", void 0),
            k([Ce()], e.prototype, "zoomToMouseLocation", void 0),
            k([Ce()], e.prototype, "wheelDeltaPercentage", void 0),
            e
        }();
        Vo.ArcRotateCameraMouseWheelInput = jo;
        var Yo = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.buttons = [0, 1, 2],
                t.angularSensibilityX = 1e3,
                t.angularSensibilityY = 1e3,
                t.pinchPrecision = 12,
                t.pinchDeltaPercentage = 0,
                t.useNaturalPinchZoom = !1,
                t.pinchZoom = !0,
                t.panningSensibility = 1e3,
                t.multiTouchPanning = !0,
                t.multiTouchPanAndZoom = !0,
                t.pinchInwards = !0,
                t._isPanClick = !1,
                t._twoFingerActivityCount = 0,
                t._isPinching = !1,
                t
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ArcRotateCameraPointersInput"
            }
            ,
            t.prototype._computeMultiTouchPanning = function(e, t) {
                if (0 !== this.panningSensibility && e && t) {
                    var i = t.x - e.x
                      , n = t.y - e.y;
                    this.camera.inertialPanningX += -i / this.panningSensibility,
                    this.camera.inertialPanningY += n / this.panningSensibility
                }
            }
            ,
            t.prototype._computePinchZoom = function(e, i) {
                var n = this.camera.radius || t.MinimumRadiusForPinch;
                this.useNaturalPinchZoom ? this.camera.radius = n * Math.sqrt(e) / Math.sqrt(i) : this.pinchDeltaPercentage ? this.camera.inertialRadiusOffset += .001 * (i - e) * n * this.pinchDeltaPercentage : this.camera.inertialRadiusOffset += (i - e) / (this.pinchPrecision * (this.pinchInwards ? 1 : -1) * (this.angularSensibilityX + this.angularSensibilityY) / 2)
            }
            ,
            t.prototype.onTouch = function(e, t, i) {
                0 !== this.panningSensibility && (this._ctrlKey && this.camera._useCtrlForPanning || this._isPanClick) ? (this.camera.inertialPanningX += -t / this.panningSensibility,
                this.camera.inertialPanningY += i / this.panningSensibility) : (this.camera.inertialAlphaOffset -= t / this.angularSensibilityX,
                this.camera.inertialBetaOffset -= i / this.angularSensibilityY)
            }
            ,
            t.prototype.onDoubleTap = function() {
                this.camera.useInputToRestoreState && this.camera.restoreState()
            }
            ,
            t.prototype.onMultiTouch = function(e, t, i, n, r, o) {
                0 === i && null === r || 0 === n && null === o || (this.multiTouchPanAndZoom ? (this._computePinchZoom(i, n),
                this._computeMultiTouchPanning(r, o)) : this.multiTouchPanning && this.pinchZoom ? (this._twoFingerActivityCount++,
                this._isPinching || this._twoFingerActivityCount < 20 && Math.abs(Math.sqrt(n) - Math.sqrt(i)) > this.camera.pinchToPanMaxDistance ? (this._computePinchZoom(i, n),
                this._isPinching = !0) : this._computeMultiTouchPanning(r, o)) : this.multiTouchPanning ? this._computeMultiTouchPanning(r, o) : this.pinchZoom && this._computePinchZoom(i, n))
            }
            ,
            t.prototype.onButtonDown = function(e) {
                this._isPanClick = e.button === this.camera._panningMouseButton
            }
            ,
            t.prototype.onButtonUp = function() {
                this._twoFingerActivityCount = 0,
                this._isPinching = !1
            }
            ,
            t.prototype.onLostFocus = function() {
                this._isPanClick = !1,
                this._twoFingerActivityCount = 0,
                this._isPinching = !1
            }
            ,
            t.MinimumRadiusForPinch = .001,
            k([Ce()], t.prototype, "buttons", void 0),
            k([Ce()], t.prototype, "angularSensibilityX", void 0),
            k([Ce()], t.prototype, "angularSensibilityY", void 0),
            k([Ce()], t.prototype, "pinchPrecision", void 0),
            k([Ce()], t.prototype, "pinchDeltaPercentage", void 0),
            k([Ce()], t.prototype, "useNaturalPinchZoom", void 0),
            k([Ce()], t.prototype, "pinchZoom", void 0),
            k([Ce()], t.prototype, "panningSensibility", void 0),
            k([Ce()], t.prototype, "multiTouchPanning", void 0),
            k([Ce()], t.prototype, "multiTouchPanAndZoom", void 0),
            t
        }(Uo);
        Vo.ArcRotateCameraPointersInput = Yo;
        var Ko = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            t.prototype.addMouseWheel = function() {
                return this.add(new jo),
                this
            }
            ,
            t.prototype.addPointers = function() {
                return this.add(new Yo),
                this
            }
            ,
            t.prototype.addKeyboard = function() {
                return this.add(new Xo),
                this
            }
            ,
            t
        }(ko);
        Ko.prototype.addVRDeviceOrientation = function() {
            return this.add(new Qo),
            this
        }
        ;
        var Qo = function() {
            function e() {
                this.alphaCorrection = 1,
                this.gammaCorrection = 1,
                this._alpha = 0,
                this._gamma = 0,
                this._dirty = !1,
                this._deviceOrientationHandler = this._onOrientationEvent.bind(this)
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this.camera.attachControl(e);
                var i = this.camera.getScene().getEngine().getHostWindow();
                i && ("undefined" != typeof DeviceOrientationEvent && "function" == typeof DeviceOrientationEvent.requestPermission ? DeviceOrientationEvent.requestPermission().then((function(e) {
                    "granted" === e ? i.addEventListener("deviceorientation", t._deviceOrientationHandler) : gi.Warn("Permission not granted.")
                }
                )).catch((function(e) {
                    gi.Error(e)
                }
                )) : i.addEventListener("deviceorientation", this._deviceOrientationHandler))
            }
            ,
            e.prototype._onOrientationEvent = function(e) {
                null !== e.alpha && (this._alpha = (0 | +e.alpha) * this.alphaCorrection),
                null !== e.gamma && (this._gamma = (0 | +e.gamma) * this.gammaCorrection),
                this._dirty = !0
            }
            ,
            e.prototype.checkInputs = function() {
                this._dirty && (this._dirty = !1,
                this._gamma < 0 && (this._gamma = 180 + this._gamma),
                this.camera.alpha = -this._alpha / 180 * Math.PI % Math.PI * 2,
                this.camera.beta = this._gamma / 180 * Math.PI)
            }
            ,
            e.prototype.detachControl = function() {
                window.removeEventListener("deviceorientation", this._deviceOrientationHandler)
            }
            ,
            e.prototype.getClassName = function() {
                return "ArcRotateCameraVRDeviceOrientationInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "VRDeviceOrientation"
            }
            ,
            e
        }();
        Vo.ArcRotateCameraVRDeviceOrientationInput = Qo;
        var qo = function() {
            function e() {
                this.keysForward = [87],
                this.keysBackward = [83],
                this.keysUp = [69],
                this.keysDown = [81],
                this.keysRight = [68],
                this.keysLeft = [65],
                this._keys = new Array
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._onCanvasBlurObserver || (this._scene = this.camera.getScene(),
                this._engine = this._scene.getEngine(),
                this._onCanvasBlurObserver = this._engine.onCanvasBlurObservable.add((function() {
                    t._keys = []
                }
                )),
                this._onKeyboardObserver = this._scene.onKeyboardObservable.add((function(i) {
                    var n, r = i.event;
                    i.type === Qi.KEYDOWN ? -1 === t.keysForward.indexOf(r.keyCode) && -1 === t.keysBackward.indexOf(r.keyCode) && -1 === t.keysUp.indexOf(r.keyCode) && -1 === t.keysDown.indexOf(r.keyCode) && -1 === t.keysLeft.indexOf(r.keyCode) && -1 === t.keysRight.indexOf(r.keyCode) || (-1 === (n = t._keys.indexOf(r.keyCode)) && t._keys.push(r.keyCode),
                    e || r.preventDefault()) : -1 === t.keysForward.indexOf(r.keyCode) && -1 === t.keysBackward.indexOf(r.keyCode) && -1 === t.keysUp.indexOf(r.keyCode) && -1 === t.keysDown.indexOf(r.keyCode) && -1 === t.keysLeft.indexOf(r.keyCode) && -1 === t.keysRight.indexOf(r.keyCode) || ((n = t._keys.indexOf(r.keyCode)) >= 0 && t._keys.splice(n, 1),
                    e || r.preventDefault())
                }
                )))
            }
            ,
            e.prototype.detachControl = function() {
                this._scene && (this._onKeyboardObserver && this._scene.onKeyboardObservable.remove(this._onKeyboardObserver),
                this._onCanvasBlurObserver && this._engine.onCanvasBlurObservable.remove(this._onCanvasBlurObserver),
                this._onKeyboardObserver = null,
                this._onCanvasBlurObserver = null),
                this._keys = []
            }
            ,
            e.prototype.getClassName = function() {
                return "FlyCameraKeyboardInput"
            }
            ,
            e.prototype._onLostFocus = function() {
                this._keys = []
            }
            ,
            e.prototype.getSimpleName = function() {
                return "keyboard"
            }
            ,
            e.prototype.checkInputs = function() {
                if (this._onKeyboardObserver)
                    for (var e = this.camera, t = 0; t < this._keys.length; t++) {
                        var i = this._keys[t]
                          , n = e._computeLocalCameraSpeed();
                        -1 !== this.keysForward.indexOf(i) ? e._localDirection.copyFromFloats(0, 0, n) : -1 !== this.keysBackward.indexOf(i) ? e._localDirection.copyFromFloats(0, 0, -n) : -1 !== this.keysUp.indexOf(i) ? e._localDirection.copyFromFloats(0, n, 0) : -1 !== this.keysDown.indexOf(i) ? e._localDirection.copyFromFloats(0, -n, 0) : -1 !== this.keysRight.indexOf(i) ? e._localDirection.copyFromFloats(n, 0, 0) : -1 !== this.keysLeft.indexOf(i) && e._localDirection.copyFromFloats(-n, 0, 0),
                        e.getScene().useRightHandedSystem && (e._localDirection.z *= -1),
                        e.getViewMatrix().invertToRef(e._cameraTransformMatrix),
                        x.TransformNormalToRef(e._localDirection, e._cameraTransformMatrix, e._transformedDirection),
                        e.cameraDirection.addInPlace(e._transformedDirection)
                    }
            }
            ,
            k([Ce()], e.prototype, "keysForward", void 0),
            k([Ce()], e.prototype, "keysBackward", void 0),
            k([Ce()], e.prototype, "keysUp", void 0),
            k([Ce()], e.prototype, "keysDown", void 0),
            k([Ce()], e.prototype, "keysRight", void 0),
            k([Ce()], e.prototype, "keysLeft", void 0),
            e
        }();
        Vo.FlyCameraKeyboardInput = qo;
        var Zo = function() {
            function e() {
                this.buttons = [0, 1, 2],
                this.buttonsYaw = [-1, 0, 1],
                this.buttonsPitch = [-1, 0, 1],
                this.buttonsRoll = [2],
                this.activeButton = -1,
                this.angularSensibility = 1e3,
                this._previousPosition = null
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._noPreventDefault = e,
                this._observer = this.camera.getScene().onPointerObservable.add((function(e) {
                    t._pointerInput(e)
                }
                ), Xi.POINTERDOWN | Xi.POINTERUP | Xi.POINTERMOVE),
                this._rollObserver = this.camera.getScene().onBeforeRenderObservable.add((function() {
                    t.camera.rollCorrect && t.camera.restoreRoll(t.camera.rollCorrect)
                }
                ))
            }
            ,
            e.prototype.detachControl = function() {
                this._observer && (this.camera.getScene().onPointerObservable.remove(this._observer),
                this.camera.getScene().onBeforeRenderObservable.remove(this._rollObserver),
                this._observer = null,
                this._rollObserver = null,
                this._previousPosition = null,
                this._noPreventDefault = void 0)
            }
            ,
            e.prototype.getClassName = function() {
                return "FlyCameraMouseInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "mouse"
            }
            ,
            e.prototype._pointerInput = function(e) {
                var t = e.event
                  , i = this.camera.getEngine();
                if (!i.isInVRExclusivePointerMode && (this.touchEnabled || "touch" !== t.pointerType) && (e.type === Xi.POINTERMOVE || -1 !== this.buttons.indexOf(t.button))) {
                    var n = t.srcElement || t.target;
                    if (e.type === Xi.POINTERDOWN) {
                        try {
                            null == n || n.setPointerCapture(t.pointerId)
                        } catch (t) {}
                        this._previousPosition = {
                            x: t.clientX,
                            y: t.clientY
                        },
                        this.activeButton = t.button,
                        this._noPreventDefault || (t.preventDefault(),
                        this._element.focus()),
                        i.isPointerLock && this._onMouseMove(e.event)
                    } else if (e.type === Xi.POINTERUP) {
                        try {
                            null == n || n.releasePointerCapture(t.pointerId)
                        } catch (t) {}
                        this.activeButton = -1,
                        this._previousPosition = null,
                        this._noPreventDefault || t.preventDefault()
                    } else if (e.type === Xi.POINTERMOVE) {
                        if (!this._previousPosition)
                            return void (i.isPointerLock && this._onMouseMove(e.event));
                        var r = t.clientX - this._previousPosition.x
                          , o = t.clientY - this._previousPosition.y;
                        this._rotateCamera(r, o),
                        this._previousPosition = {
                            x: t.clientX,
                            y: t.clientY
                        },
                        this._noPreventDefault || t.preventDefault()
                    }
                }
            }
            ,
            e.prototype._onMouseMove = function(e) {
                var t = this.camera.getEngine();
                if (t.isPointerLock && !t.isInVRExclusivePointerMode) {
                    var i = e.movementX || e.mozMovementX || e.webkitMovementX || e.msMovementX || 0
                      , n = e.movementY || e.mozMovementY || e.webkitMovementY || e.msMovementY || 0;
                    this._rotateCamera(i, n),
                    this._previousPosition = null,
                    this._noPreventDefault || e.preventDefault()
                }
            }
            ,
            e.prototype._rotateCamera = function(e, t) {
                var i = this
                  , n = this.camera;
                this.camera.getScene().useRightHandedSystem && (e *= -1),
                n.parent && n.parent._getWorldMatrixDeterminant() < 0 && (e *= -1);
                var r, o = e / this.angularSensibility, a = t / this.angularSensibility, s = C.RotationYawPitchRoll(n.rotation.y, n.rotation.x, n.rotation.z);
                if (this.buttonsPitch.some((function(e) {
                    return e === i.activeButton
                }
                )) && (r = C.RotationAxis(vn.X, a),
                s.multiplyInPlace(r)),
                this.buttonsYaw.some((function(e) {
                    return e === i.activeButton
                }
                ))) {
                    r = C.RotationAxis(vn.Y, o),
                    s.multiplyInPlace(r);
                    var l = n.bankedTurnLimit + n._trackRoll;
                    if (n.bankedTurn && -l < n.rotation.z && n.rotation.z < l) {
                        var c = n.bankedTurnMultiplier * -o;
                        r = C.RotationAxis(vn.Z, c),
                        s.multiplyInPlace(r)
                    }
                }
                this.buttonsRoll.some((function(e) {
                    return e === i.activeButton
                }
                )) && (r = C.RotationAxis(vn.Z, -o),
                n._trackRoll -= o,
                s.multiplyInPlace(r)),
                s.toEulerAnglesToRef(n.rotation)
            }
            ,
            k([Ce()], e.prototype, "buttons", void 0),
            k([Ce()], e.prototype, "angularSensibility", void 0),
            e
        }();
        Vo.FlyCameraMouseInput = Zo;
        var Jo = function() {
            function e() {
                this.keysHeightOffsetIncr = [38],
                this.keysHeightOffsetDecr = [40],
                this.keysHeightOffsetModifierAlt = !1,
                this.keysHeightOffsetModifierCtrl = !1,
                this.keysHeightOffsetModifierShift = !1,
                this.keysRotationOffsetIncr = [37],
                this.keysRotationOffsetDecr = [39],
                this.keysRotationOffsetModifierAlt = !1,
                this.keysRotationOffsetModifierCtrl = !1,
                this.keysRotationOffsetModifierShift = !1,
                this.keysRadiusIncr = [40],
                this.keysRadiusDecr = [38],
                this.keysRadiusModifierAlt = !0,
                this.keysRadiusModifierCtrl = !1,
                this.keysRadiusModifierShift = !1,
                this.heightSensibility = 1,
                this.rotationSensibility = 1,
                this.radiusSensibility = 1,
                this._keys = new Array
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._onCanvasBlurObserver || (this._scene = this.camera.getScene(),
                this._engine = this._scene.getEngine(),
                this._onCanvasBlurObserver = this._engine.onCanvasBlurObservable.add((function() {
                    t._keys = []
                }
                )),
                this._onKeyboardObserver = this._scene.onKeyboardObservable.add((function(i) {
                    var n, r = i.event;
                    r.metaKey || (i.type === Qi.KEYDOWN ? (t._ctrlPressed = r.ctrlKey,
                    t._altPressed = r.altKey,
                    t._shiftPressed = r.shiftKey,
                    (-1 !== t.keysHeightOffsetIncr.indexOf(r.keyCode) || -1 !== t.keysHeightOffsetDecr.indexOf(r.keyCode) || -1 !== t.keysRotationOffsetIncr.indexOf(r.keyCode) || -1 !== t.keysRotationOffsetDecr.indexOf(r.keyCode) || -1 !== t.keysRadiusIncr.indexOf(r.keyCode) || -1 !== t.keysRadiusDecr.indexOf(r.keyCode)) && (-1 === (n = t._keys.indexOf(r.keyCode)) && t._keys.push(r.keyCode),
                    r.preventDefault && (e || r.preventDefault()))) : -1 === t.keysHeightOffsetIncr.indexOf(r.keyCode) && -1 === t.keysHeightOffsetDecr.indexOf(r.keyCode) && -1 === t.keysRotationOffsetIncr.indexOf(r.keyCode) && -1 === t.keysRotationOffsetDecr.indexOf(r.keyCode) && -1 === t.keysRadiusIncr.indexOf(r.keyCode) && -1 === t.keysRadiusDecr.indexOf(r.keyCode) || ((n = t._keys.indexOf(r.keyCode)) >= 0 && t._keys.splice(n, 1),
                    r.preventDefault && (e || r.preventDefault())))
                }
                )))
            }
            ,
            e.prototype.detachControl = function() {
                this._scene && (this._onKeyboardObserver && this._scene.onKeyboardObservable.remove(this._onKeyboardObserver),
                this._onCanvasBlurObserver && this._engine.onCanvasBlurObservable.remove(this._onCanvasBlurObserver),
                this._onKeyboardObserver = null,
                this._onCanvasBlurObserver = null),
                this._keys = []
            }
            ,
            e.prototype.checkInputs = function() {
                var e = this;
                this._onKeyboardObserver && this._keys.forEach((function(t) {
                    -1 !== e.keysHeightOffsetIncr.indexOf(t) && e._modifierHeightOffset() ? e.camera.heightOffset += e.heightSensibility : -1 !== e.keysHeightOffsetDecr.indexOf(t) && e._modifierHeightOffset() ? e.camera.heightOffset -= e.heightSensibility : -1 !== e.keysRotationOffsetIncr.indexOf(t) && e._modifierRotationOffset() ? (e.camera.rotationOffset += e.rotationSensibility,
                    e.camera.rotationOffset %= 360) : -1 !== e.keysRotationOffsetDecr.indexOf(t) && e._modifierRotationOffset() ? (e.camera.rotationOffset -= e.rotationSensibility,
                    e.camera.rotationOffset %= 360) : -1 !== e.keysRadiusIncr.indexOf(t) && e._modifierRadius() ? e.camera.radius += e.radiusSensibility : -1 !== e.keysRadiusDecr.indexOf(t) && e._modifierRadius() && (e.camera.radius -= e.radiusSensibility)
                }
                ))
            }
            ,
            e.prototype.getClassName = function() {
                return "FollowCameraKeyboardMoveInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "keyboard"
            }
            ,
            e.prototype._modifierHeightOffset = function() {
                return this.keysHeightOffsetModifierAlt === this._altPressed && this.keysHeightOffsetModifierCtrl === this._ctrlPressed && this.keysHeightOffsetModifierShift === this._shiftPressed
            }
            ,
            e.prototype._modifierRotationOffset = function() {
                return this.keysRotationOffsetModifierAlt === this._altPressed && this.keysRotationOffsetModifierCtrl === this._ctrlPressed && this.keysRotationOffsetModifierShift === this._shiftPressed
            }
            ,
            e.prototype._modifierRadius = function() {
                return this.keysRadiusModifierAlt === this._altPressed && this.keysRadiusModifierCtrl === this._ctrlPressed && this.keysRadiusModifierShift === this._shiftPressed
            }
            ,
            k([Ce()], e.prototype, "keysHeightOffsetIncr", void 0),
            k([Ce()], e.prototype, "keysHeightOffsetDecr", void 0),
            k([Ce()], e.prototype, "keysHeightOffsetModifierAlt", void 0),
            k([Ce()], e.prototype, "keysHeightOffsetModifierCtrl", void 0),
            k([Ce()], e.prototype, "keysHeightOffsetModifierShift", void 0),
            k([Ce()], e.prototype, "keysRotationOffsetIncr", void 0),
            k([Ce()], e.prototype, "keysRotationOffsetDecr", void 0),
            k([Ce()], e.prototype, "keysRotationOffsetModifierAlt", void 0),
            k([Ce()], e.prototype, "keysRotationOffsetModifierCtrl", void 0),
            k([Ce()], e.prototype, "keysRotationOffsetModifierShift", void 0),
            k([Ce()], e.prototype, "keysRadiusIncr", void 0),
            k([Ce()], e.prototype, "keysRadiusDecr", void 0),
            k([Ce()], e.prototype, "keysRadiusModifierAlt", void 0),
            k([Ce()], e.prototype, "keysRadiusModifierCtrl", void 0),
            k([Ce()], e.prototype, "keysRadiusModifierShift", void 0),
            k([Ce()], e.prototype, "heightSensibility", void 0),
            k([Ce()], e.prototype, "rotationSensibility", void 0),
            k([Ce()], e.prototype, "radiusSensibility", void 0),
            e
        }();
        Vo.FollowCameraKeyboardMoveInput = Jo;
        var $o = function() {
            function e() {
                this.axisControlRadius = !0,
                this.axisControlHeight = !1,
                this.axisControlRotation = !1,
                this.wheelPrecision = 3,
                this.wheelDeltaPercentage = 0
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._wheel = function(i) {
                    if (i.type === Xi.POINTERWHEEL) {
                        var n = i.event
                          , r = 0
                          , o = Math.max(-1, Math.min(1, n.deltaY || n.wheelDelta || -n.detail));
                        t.wheelDeltaPercentage ? (console.assert(t.axisControlRadius + t.axisControlHeight + t.axisControlRotation <= 1, "wheelDeltaPercentage only usable when mouse wheel controls ONE axis. Currently enabled: axisControlRadius: " + t.axisControlRadius + ", axisControlHeightOffset: " + t.axisControlHeight + ", axisControlRotationOffset: " + t.axisControlRotation),
                        t.axisControlRadius ? r = .01 * o * t.wheelDeltaPercentage * t.camera.radius : t.axisControlHeight ? r = .01 * o * t.wheelDeltaPercentage * t.camera.heightOffset : t.axisControlRotation && (r = .01 * o * t.wheelDeltaPercentage * t.camera.rotationOffset)) : r = o * t.wheelPrecision,
                        r && (t.axisControlRadius ? t.camera.radius += r : t.axisControlHeight ? t.camera.heightOffset -= r : t.axisControlRotation && (t.camera.rotationOffset -= r)),
                        n.preventDefault && (e || n.preventDefault())
                    }
                }
                ,
                this._observer = this.camera.getScene().onPointerObservable.add(this._wheel, Xi.POINTERWHEEL)
            }
            ,
            e.prototype.detachControl = function() {
                this._observer && (this.camera.getScene().onPointerObservable.remove(this._observer),
                this._observer = null,
                this._wheel = null)
            }
            ,
            e.prototype.getClassName = function() {
                return "ArcRotateCameraMouseWheelInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "mousewheel"
            }
            ,
            k([Ce()], e.prototype, "axisControlRadius", void 0),
            k([Ce()], e.prototype, "axisControlHeight", void 0),
            k([Ce()], e.prototype, "axisControlRotation", void 0),
            k([Ce()], e.prototype, "wheelPrecision", void 0),
            k([Ce()], e.prototype, "wheelDeltaPercentage", void 0),
            e
        }();
        Vo.FollowCameraMouseWheelInput = $o;
        var ea = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.angularSensibilityX = 1,
                t.angularSensibilityY = 1,
                t.pinchPrecision = 1e4,
                t.pinchDeltaPercentage = 0,
                t.axisXControlRadius = !1,
                t.axisXControlHeight = !1,
                t.axisXControlRotation = !0,
                t.axisYControlRadius = !1,
                t.axisYControlHeight = !0,
                t.axisYControlRotation = !1,
                t.axisPinchControlRadius = !0,
                t.axisPinchControlHeight = !1,
                t.axisPinchControlRotation = !1,
                t.warningEnable = !0,
                t._warningCounter = 0,
                t
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FollowCameraPointersInput"
            }
            ,
            t.prototype.onTouch = function(e, t, i) {
                this._warning(),
                this.axisXControlRotation ? this.camera.rotationOffset += t / this.angularSensibilityX : this.axisYControlRotation && (this.camera.rotationOffset += i / this.angularSensibilityX),
                this.axisXControlHeight ? this.camera.heightOffset += t / this.angularSensibilityY : this.axisYControlHeight && (this.camera.heightOffset += i / this.angularSensibilityY),
                this.axisXControlRadius ? this.camera.radius -= t / this.angularSensibilityY : this.axisYControlRadius && (this.camera.radius -= i / this.angularSensibilityY)
            }
            ,
            t.prototype.onMultiTouch = function(e, t, i, n, r, o) {
                if (!(0 === i && null === r || 0 === n && null === o)) {
                    var a = (n - i) / (this.pinchPrecision * (this.angularSensibilityX + this.angularSensibilityY) / 2);
                    this.pinchDeltaPercentage ? (a *= .01 * this.pinchDeltaPercentage,
                    this.axisPinchControlRotation && (this.camera.rotationOffset += a * this.camera.rotationOffset),
                    this.axisPinchControlHeight && (this.camera.heightOffset += a * this.camera.heightOffset),
                    this.axisPinchControlRadius && (this.camera.radius -= a * this.camera.radius)) : (this.axisPinchControlRotation && (this.camera.rotationOffset += a),
                    this.axisPinchControlHeight && (this.camera.heightOffset += a),
                    this.axisPinchControlRadius && (this.camera.radius -= a))
                }
            }
            ,
            t.prototype._warning = function() {
                if (this.warningEnable && this._warningCounter++ % 100 == 0) {
                    var e = "It probably only makes sense to control ONE camera property with each pointer axis. Set 'warningEnable = false' if you are sure. Currently enabled: ";
                    console.assert(this.axisXControlRotation + this.axisXControlHeight + this.axisXControlRadius <= 1, e + "axisXControlRotation: " + this.axisXControlRotation + ", axisXControlHeight: " + this.axisXControlHeight + ", axisXControlRadius: " + this.axisXControlRadius),
                    console.assert(this.axisYControlRotation + this.axisYControlHeight + this.axisYControlRadius <= 1, e + "axisYControlRotation: " + this.axisYControlRotation + ", axisYControlHeight: " + this.axisYControlHeight + ", axisYControlRadius: " + this.axisYControlRadius),
                    console.assert(this.axisPinchControlRotation + this.axisPinchControlHeight + this.axisPinchControlRadius <= 1, e + "axisPinchControlRotation: " + this.axisPinchControlRotation + ", axisPinchControlHeight: " + this.axisPinchControlHeight + ", axisPinchControlRadius: " + this.axisPinchControlRadius)
                }
            }
            ,
            k([Ce()], t.prototype, "angularSensibilityX", void 0),
            k([Ce()], t.prototype, "angularSensibilityY", void 0),
            k([Ce()], t.prototype, "pinchPrecision", void 0),
            k([Ce()], t.prototype, "pinchDeltaPercentage", void 0),
            k([Ce()], t.prototype, "axisXControlRadius", void 0),
            k([Ce()], t.prototype, "axisXControlHeight", void 0),
            k([Ce()], t.prototype, "axisXControlRotation", void 0),
            k([Ce()], t.prototype, "axisYControlRadius", void 0),
            k([Ce()], t.prototype, "axisYControlHeight", void 0),
            k([Ce()], t.prototype, "axisYControlRotation", void 0),
            k([Ce()], t.prototype, "axisPinchControlRadius", void 0),
            k([Ce()], t.prototype, "axisPinchControlHeight", void 0),
            k([Ce()], t.prototype, "axisPinchControlRotation", void 0),
            t
        }(Uo);
        Vo.FollowCameraPointersInput = ea;
        var ta = function() {
            function e() {
                this.keysUp = [38],
                this.keysUpward = [33],
                this.keysDown = [40],
                this.keysDownward = [34],
                this.keysLeft = [37],
                this.keysRight = [39],
                this.rotationSpeed = .5,
                this.keysRotateLeft = [],
                this.keysRotateRight = [],
                this._keys = new Array
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments),
                this._onCanvasBlurObserver || (this._scene = this.camera.getScene(),
                this._engine = this._scene.getEngine(),
                this._onCanvasBlurObserver = this._engine.onCanvasBlurObservable.add((function() {
                    t._keys = []
                }
                )),
                this._onKeyboardObserver = this._scene.onKeyboardObservable.add((function(i) {
                    var n, r = i.event;
                    r.metaKey || (i.type === Qi.KEYDOWN ? -1 === t.keysUp.indexOf(r.keyCode) && -1 === t.keysDown.indexOf(r.keyCode) && -1 === t.keysLeft.indexOf(r.keyCode) && -1 === t.keysRight.indexOf(r.keyCode) && -1 === t.keysUpward.indexOf(r.keyCode) && -1 === t.keysDownward.indexOf(r.keyCode) && -1 === t.keysRotateLeft.indexOf(r.keyCode) && -1 === t.keysRotateRight.indexOf(r.keyCode) || (-1 === (n = t._keys.indexOf(r.keyCode)) && t._keys.push(r.keyCode),
                    e || r.preventDefault()) : -1 === t.keysUp.indexOf(r.keyCode) && -1 === t.keysDown.indexOf(r.keyCode) && -1 === t.keysLeft.indexOf(r.keyCode) && -1 === t.keysRight.indexOf(r.keyCode) && -1 === t.keysUpward.indexOf(r.keyCode) && -1 === t.keysDownward.indexOf(r.keyCode) && -1 === t.keysRotateLeft.indexOf(r.keyCode) && -1 === t.keysRotateRight.indexOf(r.keyCode) || ((n = t._keys.indexOf(r.keyCode)) >= 0 && t._keys.splice(n, 1),
                    e || r.preventDefault()))
                }
                )))
            }
            ,
            e.prototype.detachControl = function() {
                this._scene && (this._onKeyboardObserver && this._scene.onKeyboardObservable.remove(this._onKeyboardObserver),
                this._onCanvasBlurObserver && this._engine.onCanvasBlurObservable.remove(this._onCanvasBlurObserver),
                this._onKeyboardObserver = null,
                this._onCanvasBlurObserver = null),
                this._keys = []
            }
            ,
            e.prototype.checkInputs = function() {
                if (this._onKeyboardObserver)
                    for (var e = this.camera, t = 0; t < this._keys.length; t++) {
                        var i = this._keys[t]
                          , n = e._computeLocalCameraSpeed();
                        -1 !== this.keysLeft.indexOf(i) ? e._localDirection.copyFromFloats(-n, 0, 0) : -1 !== this.keysUp.indexOf(i) ? e._localDirection.copyFromFloats(0, 0, n) : -1 !== this.keysRight.indexOf(i) ? e._localDirection.copyFromFloats(n, 0, 0) : -1 !== this.keysDown.indexOf(i) ? e._localDirection.copyFromFloats(0, 0, -n) : -1 !== this.keysUpward.indexOf(i) ? e._localDirection.copyFromFloats(0, n, 0) : -1 !== this.keysDownward.indexOf(i) ? e._localDirection.copyFromFloats(0, -n, 0) : -1 !== this.keysRotateLeft.indexOf(i) ? (e._localDirection.copyFromFloats(0, 0, 0),
                        e.cameraRotation.y -= this._getLocalRotation()) : -1 !== this.keysRotateRight.indexOf(i) && (e._localDirection.copyFromFloats(0, 0, 0),
                        e.cameraRotation.y += this._getLocalRotation()),
                        e.getScene().useRightHandedSystem && (e._localDirection.z *= -1),
                        e.getViewMatrix().invertToRef(e._cameraTransformMatrix),
                        x.TransformNormalToRef(e._localDirection, e._cameraTransformMatrix, e._transformedDirection),
                        e.cameraDirection.addInPlace(e._transformedDirection)
                    }
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraKeyboardMoveInput"
            }
            ,
            e.prototype._onLostFocus = function() {
                this._keys = []
            }
            ,
            e.prototype.getSimpleName = function() {
                return "keyboard"
            }
            ,
            e.prototype._getLocalRotation = function() {
                var e = this.rotationSpeed * this._engine.getDeltaTime() / 1e3;
                return this.camera.getScene().useRightHandedSystem && (e *= -1),
                this.camera.parent && this.camera.parent._getWorldMatrixDeterminant() < 0 && (e *= -1),
                e
            }
            ,
            k([Ce()], e.prototype, "keysUp", void 0),
            k([Ce()], e.prototype, "keysUpward", void 0),
            k([Ce()], e.prototype, "keysDown", void 0),
            k([Ce()], e.prototype, "keysDownward", void 0),
            k([Ce()], e.prototype, "keysLeft", void 0),
            k([Ce()], e.prototype, "keysRight", void 0),
            k([Ce()], e.prototype, "rotationSpeed", void 0),
            k([Ce()], e.prototype, "keysRotateLeft", void 0),
            k([Ce()], e.prototype, "keysRotateRight", void 0),
            e
        }();
        Vo.FreeCameraKeyboardMoveInput = ta;
        var ia, na = function() {
            function e(e) {
                void 0 === e && (e = !0),
                this.touchEnabled = e,
                this.buttons = [0, 1, 2],
                this.angularSensibility = 2e3,
                this._previousPosition = null,
                this.onPointerMovedObservable = new h,
                this._allowCameraRotation = !0,
                this._currentActiveButton = -1
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments);
                var i = this.camera.getEngine()
                  , n = i.getInputElement();
                this._pointerInput || (this._pointerInput = function(r) {
                    var o = r.event
                      , a = "touch" === o.pointerType;
                    if (!i.isInVRExclusivePointerMode && (t.touchEnabled || !a) && (r.type === Xi.POINTERMOVE || -1 !== t.buttons.indexOf(o.button))) {
                        var s = o.srcElement || o.target;
                        if (r.type !== Xi.POINTERDOWN || -1 !== t._currentActiveButton && !a)
                            if (r.type !== Xi.POINTERUP || t._currentActiveButton !== o.button && !a) {
                                if (r.type === Xi.POINTERMOVE)
                                    if (i.isPointerLock && t._onMouseMove)
                                        t._onMouseMove(r.event);
                                    else if (t._previousPosition) {
                                        var l = o.clientX - t._previousPosition.x
                                          , c = o.clientY - t._previousPosition.y;
                                        t.camera.getScene().useRightHandedSystem && (l *= -1),
                                        t.camera.parent && t.camera.parent._getWorldMatrixDeterminant() < 0 && (l *= -1),
                                        t._allowCameraRotation && (t.camera.cameraRotation.y += l / t.angularSensibility,
                                        t.camera.cameraRotation.x += c / t.angularSensibility),
                                        t.onPointerMovedObservable.notifyObservers({
                                            offsetX: l,
                                            offsetY: c
                                        }),
                                        t._previousPosition = {
                                            x: o.clientX,
                                            y: o.clientY
                                        },
                                        e || o.preventDefault()
                                    }
                            } else {
                                try {
                                    null == s || s.releasePointerCapture(o.pointerId)
                                } catch (e) {}
                                t._currentActiveButton = -1,
                                t._previousPosition = null,
                                e || o.preventDefault()
                            }
                        else {
                            try {
                                null == s || s.setPointerCapture(o.pointerId)
                            } catch (e) {}
                            -1 === t._currentActiveButton && (t._currentActiveButton = o.button),
                            t._previousPosition = {
                                x: o.clientX,
                                y: o.clientY
                            },
                            e || (o.preventDefault(),
                            n && n.focus()),
                            i.isPointerLock && t._onMouseMove && t._onMouseMove(r.event)
                        }
                    }
                }
                ),
                this._onMouseMove = function(n) {
                    if (i.isPointerLock && !i.isInVRExclusivePointerMode) {
                        var r = n.movementX || n.mozMovementX || n.webkitMovementX || n.msMovementX || 0;
                        t.camera.getScene().useRightHandedSystem && (r *= -1),
                        t.camera.parent && t.camera.parent._getWorldMatrixDeterminant() < 0 && (r *= -1),
                        t.camera.cameraRotation.y += r / t.angularSensibility;
                        var o = n.movementY || n.mozMovementY || n.webkitMovementY || n.msMovementY || 0;
                        t.camera.cameraRotation.x += o / t.angularSensibility,
                        t._previousPosition = null,
                        e || n.preventDefault()
                    }
                }
                ,
                this._observer = this.camera.getScene().onPointerObservable.add(this._pointerInput, Xi.POINTERDOWN | Xi.POINTERUP | Xi.POINTERMOVE),
                n && (this._contextMenuBind = this.onContextMenu.bind(this),
                n.addEventListener("contextmenu", this._contextMenuBind, !1))
            }
            ,
            e.prototype.onContextMenu = function(e) {
                e.preventDefault()
            }
            ,
            e.prototype.detachControl = function() {
                if (this._observer) {
                    if (this.camera.getScene().onPointerObservable.remove(this._observer),
                    this._contextMenuBind) {
                        var e = this.camera.getEngine().getInputElement();
                        e && e.removeEventListener("contextmenu", this._contextMenuBind)
                    }
                    this.onPointerMovedObservable && this.onPointerMovedObservable.clear(),
                    this._observer = null,
                    this._onMouseMove = null,
                    this._previousPosition = null
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraMouseInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "mouse"
            }
            ,
            k([Ce()], e.prototype, "buttons", void 0),
            k([Ce()], e.prototype, "angularSensibility", void 0),
            e
        }();
        Vo.FreeCameraMouseInput = na,
        function(e) {
            e[e.MoveRelative = 0] = "MoveRelative",
            e[e.RotateRelative = 1] = "RotateRelative",
            e[e.MoveScene = 2] = "MoveScene"
        }(ia || (ia = {}));
        var ra = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t._moveRelative = x.Zero(),
                t._rotateRelative = x.Zero(),
                t._moveScene = x.Zero(),
                t._wheelXAction = ia.MoveRelative,
                t._wheelXActionCoordinate = gn.X,
                t._wheelYAction = ia.MoveRelative,
                t._wheelYActionCoordinate = gn.Z,
                t._wheelZAction = null,
                t._wheelZActionCoordinate = null,
                t
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FreeCameraMouseWheelInput"
            }
            ,
            Object.defineProperty(t.prototype, "wheelXMoveRelative", {
                get: function() {
                    return this._wheelXAction !== ia.MoveRelative ? null : this._wheelXActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelXAction !== ia.MoveRelative || (this._wheelXAction = ia.MoveRelative,
                    this._wheelXActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelYMoveRelative", {
                get: function() {
                    return this._wheelYAction !== ia.MoveRelative ? null : this._wheelYActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelYAction !== ia.MoveRelative || (this._wheelYAction = ia.MoveRelative,
                    this._wheelYActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelZMoveRelative", {
                get: function() {
                    return this._wheelZAction !== ia.MoveRelative ? null : this._wheelZActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelZAction !== ia.MoveRelative || (this._wheelZAction = ia.MoveRelative,
                    this._wheelZActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelXRotateRelative", {
                get: function() {
                    return this._wheelXAction !== ia.RotateRelative ? null : this._wheelXActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelXAction !== ia.RotateRelative || (this._wheelXAction = ia.RotateRelative,
                    this._wheelXActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelYRotateRelative", {
                get: function() {
                    return this._wheelYAction !== ia.RotateRelative ? null : this._wheelYActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelYAction !== ia.RotateRelative || (this._wheelYAction = ia.RotateRelative,
                    this._wheelYActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelZRotateRelative", {
                get: function() {
                    return this._wheelZAction !== ia.RotateRelative ? null : this._wheelZActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelZAction !== ia.RotateRelative || (this._wheelZAction = ia.RotateRelative,
                    this._wheelZActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelXMoveScene", {
                get: function() {
                    return this._wheelXAction !== ia.MoveScene ? null : this._wheelXActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelXAction !== ia.MoveScene || (this._wheelXAction = ia.MoveScene,
                    this._wheelXActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelYMoveScene", {
                get: function() {
                    return this._wheelYAction !== ia.MoveScene ? null : this._wheelYActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelYAction !== ia.MoveScene || (this._wheelYAction = ia.MoveScene,
                    this._wheelYActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelZMoveScene", {
                get: function() {
                    return this._wheelZAction !== ia.MoveScene ? null : this._wheelZActionCoordinate
                },
                set: function(e) {
                    null === e && this._wheelZAction !== ia.MoveScene || (this._wheelZAction = ia.MoveScene,
                    this._wheelZActionCoordinate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.checkInputs = function() {
                if (0 !== this._wheelDeltaX || 0 !== this._wheelDeltaY || 0 != this._wheelDeltaZ) {
                    this._moveRelative.setAll(0),
                    this._rotateRelative.setAll(0),
                    this._moveScene.setAll(0),
                    this._updateCamera(),
                    this.camera.getScene().useRightHandedSystem && (this._moveRelative.z *= -1);
                    var t = P.Zero();
                    this.camera.getViewMatrix().invertToRef(t);
                    var i = x.Zero();
                    x.TransformNormalToRef(this._moveRelative, t, i),
                    this.camera.cameraRotation.x += this._rotateRelative.x / 200,
                    this.camera.cameraRotation.y += this._rotateRelative.y / 200,
                    this.camera.cameraDirection.addInPlace(i),
                    this.camera.cameraDirection.addInPlace(this._moveScene),
                    e.prototype.checkInputs.call(this)
                }
            }
            ,
            t.prototype._updateCamera = function() {
                this._updateCameraProperty(this._wheelDeltaX, this._wheelXAction, this._wheelXActionCoordinate),
                this._updateCameraProperty(this._wheelDeltaY, this._wheelYAction, this._wheelYActionCoordinate),
                this._updateCameraProperty(this._wheelDeltaZ, this._wheelZAction, this._wheelZActionCoordinate)
            }
            ,
            t.prototype._updateCameraProperty = function(e, t, i) {
                if (0 !== e && null !== t && null !== i) {
                    var n = null;
                    switch (t) {
                    case ia.MoveRelative:
                        n = this._moveRelative;
                        break;
                    case ia.RotateRelative:
                        n = this._rotateRelative;
                        break;
                    case ia.MoveScene:
                        n = this._moveScene
                    }
                    switch (i) {
                    case gn.X:
                        n.set(e, 0, 0);
                        break;
                    case gn.Y:
                        n.set(0, e, 0);
                        break;
                    case gn.Z:
                        n.set(0, 0, e)
                    }
                }
            }
            ,
            k([Ce()], t.prototype, "wheelXMoveRelative", null),
            k([Ce()], t.prototype, "wheelYMoveRelative", null),
            k([Ce()], t.prototype, "wheelZMoveRelative", null),
            k([Ce()], t.prototype, "wheelXRotateRelative", null),
            k([Ce()], t.prototype, "wheelYRotateRelative", null),
            k([Ce()], t.prototype, "wheelZRotateRelative", null),
            k([Ce()], t.prototype, "wheelXMoveScene", null),
            k([Ce()], t.prototype, "wheelYMoveScene", null),
            k([Ce()], t.prototype, "wheelZMoveScene", null),
            t
        }(Bo);
        Vo.FreeCameraMouseWheelInput = ra;
        var oa = function() {
            function e(e) {
                void 0 === e && (e = !1),
                this.allowMouse = e,
                this.touchAngularSensibility = 2e5,
                this.touchMoveSensibility = 250,
                this.singleFingerRotate = !1,
                this._offsetX = null,
                this._offsetY = null,
                this._pointerPressed = new Array
            }
            return e.prototype.attachControl = function(e) {
                var t = this;
                e = gi.BackCompatCameraNoPreventDefault(arguments);
                var i = null;
                if (void 0 === this._pointerInput && (this._onLostFocus = function() {
                    t._offsetX = null,
                    t._offsetY = null
                }
                ,
                this._pointerInput = function(n) {
                    var r = n.event
                      , o = !t.camera.getEngine().hostInformation.isMobile && r instanceof MouseEvent;
                    if (t.allowMouse || "mouse" !== r.pointerType && !o)
                        if (n.type === Xi.POINTERDOWN) {
                            if (e || r.preventDefault(),
                            t._pointerPressed.push(r.pointerId),
                            1 !== t._pointerPressed.length)
                                return;
                            i = {
                                x: r.clientX,
                                y: r.clientY
                            }
                        } else if (n.type === Xi.POINTERUP) {
                            if (e || r.preventDefault(),
                            -1 === (a = t._pointerPressed.indexOf(r.pointerId)))
                                return;
                            if (t._pointerPressed.splice(a, 1),
                            0 != a)
                                return;
                            i = null,
                            t._offsetX = null,
                            t._offsetY = null
                        } else if (n.type === Xi.POINTERMOVE) {
                            if (e || r.preventDefault(),
                            !i)
                                return;
                            var a;
                            if (0 != (a = t._pointerPressed.indexOf(r.pointerId)))
                                return;
                            t._offsetX = r.clientX - i.x,
                            t._offsetY = -(r.clientY - i.y)
                        }
                }
                ),
                this._observer = this.camera.getScene().onPointerObservable.add(this._pointerInput, Xi.POINTERDOWN | Xi.POINTERUP | Xi.POINTERMOVE),
                this._onLostFocus) {
                    var n = this.camera.getEngine()
                      , r = n.getInputElement();
                    r && r.addEventListener("blur", this._onLostFocus)
                }
            }
            ,
            e.prototype.detachControl = function() {
                if (this._pointerInput) {
                    if (this._observer && (this.camera.getScene().onPointerObservable.remove(this._observer),
                    this._observer = null),
                    this._onLostFocus) {
                        var e = this.camera.getEngine().getInputElement();
                        e && e.removeEventListener("blur", this._onLostFocus),
                        this._onLostFocus = null
                    }
                    this._pointerPressed = [],
                    this._offsetX = null,
                    this._offsetY = null
                }
            }
            ,
            e.prototype.checkInputs = function() {
                if (null !== this._offsetX && null !== this._offsetY && (0 !== this._offsetX || 0 !== this._offsetY)) {
                    var e = this.camera;
                    if (e.cameraRotation.y = this._offsetX / this.touchAngularSensibility,
                    this.singleFingerRotate && 1 === this._pointerPressed.length || !this.singleFingerRotate && this._pointerPressed.length > 1)
                        e.cameraRotation.x = -this._offsetY / this.touchAngularSensibility;
                    else {
                        var t = e._computeLocalCameraSpeed()
                          , i = new x(0,0,t * this._offsetY / this.touchMoveSensibility);
                        P.RotationYawPitchRollToRef(e.rotation.y, e.rotation.x, 0, e._cameraRotationMatrix),
                        e.cameraDirection.addInPlace(x.TransformCoordinates(i, e._cameraRotationMatrix))
                    }
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraTouchInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "touch"
            }
            ,
            k([Ce()], e.prototype, "touchAngularSensibility", void 0),
            k([Ce()], e.prototype, "touchMoveSensibility", void 0),
            e
        }();
        Vo.FreeCameraTouchInput = oa;
        var aa = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i._mouseInput = null,
                i._mouseWheelInput = null,
                i
            }
            return U(t, e),
            t.prototype.addKeyboard = function() {
                return this.add(new ta),
                this
            }
            ,
            t.prototype.addMouse = function(e) {
                return void 0 === e && (e = !0),
                this._mouseInput || (this._mouseInput = new na(e),
                this.add(this._mouseInput)),
                this
            }
            ,
            t.prototype.removeMouse = function() {
                return this._mouseInput && this.remove(this._mouseInput),
                this
            }
            ,
            t.prototype.addMouseWheel = function() {
                return this._mouseWheelInput || (this._mouseWheelInput = new ra,
                this.add(this._mouseWheelInput)),
                this
            }
            ,
            t.prototype.removeMouseWheel = function() {
                return this._mouseWheelInput && this.remove(this._mouseWheelInput),
                this
            }
            ,
            t.prototype.addTouch = function() {
                return this.add(new oa),
                this
            }
            ,
            t.prototype.clear = function() {
                e.prototype.clear.call(this),
                this._mouseInput = null
            }
            ,
            t
        }(ko);
        aa.prototype.addDeviceOrientation = function() {
            return this._deviceOrientationInput || (this._deviceOrientationInput = new sa,
            this.add(this._deviceOrientationInput)),
            this
        }
        ;
        var sa = function() {
            function e() {
                var e = this;
                this._screenOrientationAngle = 0,
                this._screenQuaternion = new C,
                this._alpha = 0,
                this._beta = 0,
                this._gamma = 0,
                this._onDeviceOrientationChangedObservable = new h,
                this._orientationChanged = function() {
                    e._screenOrientationAngle = void 0 !== window.orientation ? +window.orientation : window.screen.orientation && window.screen.orientation.angle ? window.screen.orientation.angle : 0,
                    e._screenOrientationAngle = -gi.ToRadians(e._screenOrientationAngle / 2),
                    e._screenQuaternion.copyFromFloats(0, Math.sin(e._screenOrientationAngle), 0, Math.cos(e._screenOrientationAngle))
                }
                ,
                this._deviceOrientation = function(t) {
                    e._alpha = null !== t.alpha ? t.alpha : 0,
                    e._beta = null !== t.beta ? t.beta : 0,
                    e._gamma = null !== t.gamma ? t.gamma : 0,
                    null !== t.alpha && e._onDeviceOrientationChangedObservable.notifyObservers()
                }
                ,
                this._constantTranform = new C(-Math.sqrt(.5),0,0,Math.sqrt(.5)),
                this._orientationChanged()
            }
            return e.WaitForOrientationChangeAsync = function(e) {
                return new Promise((function(t, i) {
                    var n = !1
                      , r = function() {
                        window.removeEventListener("deviceorientation", r),
                        n = !0,
                        t()
                    };
                    e && setTimeout((function() {
                        n || (window.removeEventListener("deviceorientation", r),
                        i("WaitForOrientationChangeAsync timed out"))
                    }
                    ), e),
                    "undefined" != typeof DeviceOrientationEvent && "function" == typeof DeviceOrientationEvent.requestPermission ? DeviceOrientationEvent.requestPermission().then((function(e) {
                        "granted" == e ? window.addEventListener("deviceorientation", r) : gi.Warn("Permission not granted.")
                    }
                    )).catch((function(e) {
                        gi.Error(e)
                    }
                    )) : window.addEventListener("deviceorientation", r)
                }
                ))
            }
            ,
            Object.defineProperty(e.prototype, "camera", {
                get: function() {
                    return this._camera
                },
                set: function(e) {
                    var t = this;
                    this._camera = e,
                    null == this._camera || this._camera.rotationQuaternion || (this._camera.rotationQuaternion = new C),
                    this._camera && this._camera.onDisposeObservable.add((function() {
                        t._onDeviceOrientationChangedObservable.clear()
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.attachControl = function() {
                var e = this
                  , t = this.camera.getScene().getEngine().getHostWindow();
                if (t) {
                    var i = function() {
                        t.addEventListener("orientationchange", e._orientationChanged),
                        t.addEventListener("deviceorientation", e._deviceOrientation),
                        e._orientationChanged()
                    };
                    "undefined" != typeof DeviceOrientationEvent && "function" == typeof DeviceOrientationEvent.requestPermission ? DeviceOrientationEvent.requestPermission().then((function(e) {
                        "granted" === e ? i() : gi.Warn("Permission not granted.")
                    }
                    )).catch((function(e) {
                        gi.Error(e)
                    }
                    )) : i()
                }
            }
            ,
            e.prototype.detachControl = function() {
                window.removeEventListener("orientationchange", this._orientationChanged),
                window.removeEventListener("deviceorientation", this._deviceOrientation),
                this._alpha = 0
            }
            ,
            e.prototype.checkInputs = function() {
                this._alpha && (C.RotationYawPitchRollToRef(gi.ToRadians(this._alpha), gi.ToRadians(this._beta), -gi.ToRadians(this._gamma), this.camera.rotationQuaternion),
                this._camera.rotationQuaternion.multiplyInPlace(this._screenQuaternion),
                this._camera.rotationQuaternion.multiplyInPlace(this._constantTranform),
                this._camera.rotationQuaternion.z *= -1,
                this._camera.rotationQuaternion.w *= -1)
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraDeviceOrientationInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "deviceOrientation"
            }
            ,
            e
        }();
        Vo.FreeCameraDeviceOrientationInput = sa;
        var la, ca = function() {
            function e() {
                this.gamepadAngularSensibility = 200,
                this.gamepadMoveSensibility = 40,
                this.deadzoneDelta = .1,
                this._yAxisScale = 1,
                this._cameraTransform = P.Identity(),
                this._deltaTransform = x.Zero(),
                this._vector3 = x.Zero(),
                this._vector2 = A.Zero()
            }
            return Object.defineProperty(e.prototype, "invertYAxis", {
                get: function() {
                    return 1 !== this._yAxisScale
                },
                set: function(e) {
                    this._yAxisScale = e ? -1 : 1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.attachControl = function() {
                var e = this
                  , t = this.camera.getScene().gamepadManager;
                this._onGamepadConnectedObserver = t.onGamepadConnectedObservable.add((function(t) {
                    t.type !== zo.POSE_ENABLED && (e.gamepad && t.type !== zo.XBOX || (e.gamepad = t))
                }
                )),
                this._onGamepadDisconnectedObserver = t.onGamepadDisconnectedObservable.add((function(t) {
                    e.gamepad === t && (e.gamepad = null)
                }
                )),
                this.gamepad = t.getGamepadByType(zo.XBOX),
                !this.gamepad && t.gamepads.length && (this.gamepad = t.gamepads[0])
            }
            ,
            e.prototype.detachControl = function() {
                this.camera.getScene().gamepadManager.onGamepadConnectedObservable.remove(this._onGamepadConnectedObserver),
                this.camera.getScene().gamepadManager.onGamepadDisconnectedObservable.remove(this._onGamepadDisconnectedObserver),
                this.gamepad = null
            }
            ,
            e.prototype.checkInputs = function() {
                if (this.gamepad && this.gamepad.leftStick) {
                    var e = this.camera
                      , t = this.gamepad.leftStick;
                    0 !== this.gamepadMoveSensibility && (t.x = Math.abs(t.x) > this.deadzoneDelta ? t.x / this.gamepadMoveSensibility : 0,
                    t.y = Math.abs(t.y) > this.deadzoneDelta ? t.y / this.gamepadMoveSensibility : 0);
                    var i = this.gamepad.rightStick;
                    i && 0 !== this.gamepadAngularSensibility ? (i.x = Math.abs(i.x) > this.deadzoneDelta ? i.x / this.gamepadAngularSensibility : 0,
                    i.y = (Math.abs(i.y) > this.deadzoneDelta ? i.y / this.gamepadAngularSensibility : 0) * this._yAxisScale) : i = {
                        x: 0,
                        y: 0
                    },
                    e.rotationQuaternion ? e.rotationQuaternion.toRotationMatrix(this._cameraTransform) : P.RotationYawPitchRollToRef(e.rotation.y, e.rotation.x, 0, this._cameraTransform);
                    var n = 50 * e._computeLocalCameraSpeed();
                    this._vector3.copyFromFloats(t.x * n, 0, -t.y * n),
                    x.TransformCoordinatesToRef(this._vector3, this._cameraTransform, this._deltaTransform),
                    e.cameraDirection.addInPlace(this._deltaTransform),
                    this._vector2.copyFromFloats(i.y, i.x),
                    e.cameraRotation.addInPlace(this._vector2)
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraGamepadInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "gamepad"
            }
            ,
            k([Ce()], e.prototype, "gamepadAngularSensibility", void 0),
            k([Ce()], e.prototype, "gamepadMoveSensibility", void 0),
            e
        }();
        Vo.FreeCameraGamepadInput = ca,
        function(e) {
            e[e.X = 0] = "X",
            e[e.Y = 1] = "Y",
            e[e.Z = 2] = "Z"
        }(la || (la = {}));
        var ua = function() {
            function e(t, i) {
                var n = this
                  , r = V(V({}, e._GetDefaultOptions()), i);
                if (this._leftJoystick = !!t,
                e._GlobalJoystickIndex++,
                this._axisTargetedByLeftAndRight = la.X,
                this._axisTargetedByUpAndDown = la.Y,
                this.reverseLeftRight = !1,
                this.reverseUpDown = !1,
                this._touches = new Ei,
                this.deltaPosition = x.Zero(),
                this._joystickSensibility = 25,
                this._inversedSensibility = 1 / (this._joystickSensibility / 1e3),
                this._onResize = function() {
                    e._VJCanvasWidth = window.innerWidth,
                    e._VJCanvasHeight = window.innerHeight,
                    e.Canvas && (e.Canvas.width = e._VJCanvasWidth,
                    e.Canvas.height = e._VJCanvasHeight),
                    e._HalfWidth = e._VJCanvasWidth / 2
                }
                ,
                !e.Canvas) {
                    window.addEventListener("resize", this._onResize, !1),
                    e.Canvas = document.createElement("canvas"),
                    e._VJCanvasWidth = window.innerWidth,
                    e._VJCanvasHeight = window.innerHeight,
                    e.Canvas.width = window.innerWidth,
                    e.Canvas.height = window.innerHeight,
                    e.Canvas.style.width = "100%",
                    e.Canvas.style.height = "100%",
                    e.Canvas.style.position = "absolute",
                    e.Canvas.style.backgroundColor = "transparent",
                    e.Canvas.style.top = "0px",
                    e.Canvas.style.left = "0px",
                    e.Canvas.style.zIndex = "5",
                    e.Canvas.style.msTouchAction = "none",
                    e.Canvas.style.touchAction = "none",
                    e.Canvas.setAttribute("touch-action", "none");
                    var o = e.Canvas.getContext("2d");
                    if (!o)
                        throw new Error("Unable to create canvas for virtual joystick");
                    e._VJCanvasContext = o,
                    e._VJCanvasContext.strokeStyle = "#ffffff",
                    e._VJCanvasContext.lineWidth = 2,
                    document.body.appendChild(e.Canvas)
                }
                e._HalfWidth = e.Canvas.width / 2,
                this.pressed = !1,
                this.limitToContainer = r.limitToContainer,
                this._joystickColor = r.color,
                this.containerSize = r.containerSize,
                this.puckSize = r.puckSize,
                r.position && this.setPosition(r.position.x, r.position.y),
                r.puckImage && this.setPuckImage(r.puckImage),
                r.containerImage && this.setContainerImage(r.containerImage),
                r.alwaysVisible && e._AlwaysVisibleSticks++,
                this.alwaysVisible = r.alwaysVisible,
                this._joystickPointerId = -1,
                this._joystickPointerPos = new A(0,0),
                this._joystickPreviousPointerPos = new A(0,0),
                this._joystickPointerStartPos = new A(0,0),
                this._deltaJoystickVector = new A(0,0),
                this._onPointerDownHandlerRef = function(e) {
                    n._onPointerDown(e)
                }
                ,
                this._onPointerMoveHandlerRef = function(e) {
                    n._onPointerMove(e)
                }
                ,
                this._onPointerUpHandlerRef = function(e) {
                    n._onPointerUp(e)
                }
                ,
                e.Canvas.addEventListener("pointerdown", this._onPointerDownHandlerRef, !1),
                e.Canvas.addEventListener("pointermove", this._onPointerMoveHandlerRef, !1),
                e.Canvas.addEventListener("pointerup", this._onPointerUpHandlerRef, !1),
                e.Canvas.addEventListener("pointerout", this._onPointerUpHandlerRef, !1),
                e.Canvas.addEventListener("contextmenu", (function(e) {
                    e.preventDefault()
                }
                ), !1),
                requestAnimationFrame((function() {
                    n._drawVirtualJoystick()
                }
                ))
            }
            return e._GetDefaultOptions = function() {
                return {
                    puckSize: 40,
                    containerSize: 60,
                    color: "cyan",
                    puckImage: void 0,
                    containerImage: void 0,
                    position: void 0,
                    alwaysVisible: !1,
                    limitToContainer: !1
                }
            }
            ,
            e.prototype.setJoystickSensibility = function(e) {
                this._joystickSensibility = e,
                this._inversedSensibility = 1 / (this._joystickSensibility / 1e3)
            }
            ,
            e.prototype._onPointerDown = function(t) {
                t.preventDefault(),
                (!0 === this._leftJoystick ? t.clientX < e._HalfWidth : t.clientX > e._HalfWidth) && this._joystickPointerId < 0 ? (this._joystickPointerId = t.pointerId,
                this._joystickPosition ? (this._joystickPointerStartPos = this._joystickPosition.clone(),
                this._joystickPointerPos = this._joystickPosition.clone(),
                this._joystickPreviousPointerPos = this._joystickPosition.clone(),
                this._onPointerMove(t)) : (this._joystickPointerStartPos.x = t.clientX,
                this._joystickPointerStartPos.y = t.clientY,
                this._joystickPointerPos = this._joystickPointerStartPos.clone(),
                this._joystickPreviousPointerPos = this._joystickPointerStartPos.clone()),
                this._deltaJoystickVector.x = 0,
                this._deltaJoystickVector.y = 0,
                this.pressed = !0,
                this._touches.add(t.pointerId.toString(), t)) : e._GlobalJoystickIndex < 2 && this._action && (this._action(),
                this._touches.add(t.pointerId.toString(), {
                    x: t.clientX,
                    y: t.clientY,
                    prevX: t.clientX,
                    prevY: t.clientY
                }))
            }
            ,
            e.prototype._onPointerMove = function(t) {
                if (this._joystickPointerId == t.pointerId) {
                    if (this.limitToContainer) {
                        var i = new A(t.clientX - this._joystickPointerStartPos.x,t.clientY - this._joystickPointerStartPos.y)
                          , n = i.length();
                        n > this.containerSize && i.scaleInPlace(this.containerSize / n),
                        this._joystickPointerPos.x = this._joystickPointerStartPos.x + i.x,
                        this._joystickPointerPos.y = this._joystickPointerStartPos.y + i.y
                    } else
                        this._joystickPointerPos.x = t.clientX,
                        this._joystickPointerPos.y = t.clientY;
                    this._deltaJoystickVector = this._joystickPointerPos.clone(),
                    this._deltaJoystickVector = this._deltaJoystickVector.subtract(this._joystickPointerStartPos),
                    0 < e._AlwaysVisibleSticks && (this._leftJoystick ? this._joystickPointerPos.x = Math.min(e._HalfWidth, this._joystickPointerPos.x) : this._joystickPointerPos.x = Math.max(e._HalfWidth, this._joystickPointerPos.x));
                    var r = (this.reverseLeftRight ? -1 : 1) * this._deltaJoystickVector.x / this._inversedSensibility;
                    switch (this._axisTargetedByLeftAndRight) {
                    case la.X:
                        this.deltaPosition.x = Math.min(1, Math.max(-1, r));
                        break;
                    case la.Y:
                        this.deltaPosition.y = Math.min(1, Math.max(-1, r));
                        break;
                    case la.Z:
                        this.deltaPosition.z = Math.min(1, Math.max(-1, r))
                    }
                    var o = (this.reverseUpDown ? 1 : -1) * this._deltaJoystickVector.y / this._inversedSensibility;
                    switch (this._axisTargetedByUpAndDown) {
                    case la.X:
                        this.deltaPosition.x = Math.min(1, Math.max(-1, o));
                        break;
                    case la.Y:
                        this.deltaPosition.y = Math.min(1, Math.max(-1, o));
                        break;
                    case la.Z:
                        this.deltaPosition.z = Math.min(1, Math.max(-1, o))
                    }
                } else {
                    var a = this._touches.get(t.pointerId.toString());
                    a && (a.x = t.clientX,
                    a.y = t.clientY)
                }
            }
            ,
            e.prototype._onPointerUp = function(t) {
                if (this._joystickPointerId == t.pointerId)
                    this._clearPreviousDraw(),
                    this._joystickPointerId = -1,
                    this.pressed = !1;
                else {
                    var i = this._touches.get(t.pointerId.toString());
                    i && e._VJCanvasContext.clearRect(i.prevX - 44, i.prevY - 44, 88, 88)
                }
                this._deltaJoystickVector.x = 0,
                this._deltaJoystickVector.y = 0,
                this._touches.remove(t.pointerId.toString())
            }
            ,
            e.prototype.setJoystickColor = function(e) {
                this._joystickColor = e
            }
            ,
            Object.defineProperty(e.prototype, "containerSize", {
                get: function() {
                    return this._joystickContainerSize
                },
                set: function(e) {
                    this._joystickContainerSize = e,
                    this._clearContainerSize = ~~(2.1 * this._joystickContainerSize),
                    this._clearContainerSizeOffset = ~~(this._clearContainerSize / 2)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "puckSize", {
                get: function() {
                    return this._joystickPuckSize
                },
                set: function(e) {
                    this._joystickPuckSize = e,
                    this._clearPuckSize = ~~(2.1 * this._joystickPuckSize),
                    this._clearPuckSizeOffset = ~~(this._clearPuckSize / 2)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.clearPosition = function() {
                this.alwaysVisible = !1,
                this._joystickPosition = null
            }
            ,
            Object.defineProperty(e.prototype, "alwaysVisible", {
                get: function() {
                    return this._alwaysVisible
                },
                set: function(t) {
                    this._alwaysVisible !== t && (t && this._joystickPosition ? (e._AlwaysVisibleSticks++,
                    this._alwaysVisible = !0) : (e._AlwaysVisibleSticks--,
                    this._alwaysVisible = !1))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setPosition = function(e, t) {
                this._joystickPointerStartPos && this._clearPreviousDraw(),
                this._joystickPosition = new A(e,t)
            }
            ,
            e.prototype.setActionOnTouch = function(e) {
                this._action = e
            }
            ,
            e.prototype.setAxisForLeftRight = function(e) {
                switch (e) {
                case la.X:
                case la.Y:
                case la.Z:
                    this._axisTargetedByLeftAndRight = e;
                    break;
                default:
                    this._axisTargetedByLeftAndRight = la.X
                }
            }
            ,
            e.prototype.setAxisForUpDown = function(e) {
                switch (e) {
                case la.X:
                case la.Y:
                case la.Z:
                    this._axisTargetedByUpAndDown = e;
                    break;
                default:
                    this._axisTargetedByUpAndDown = la.Y
                }
            }
            ,
            e.prototype._clearPreviousDraw = function() {
                var t = this._joystickPosition || this._joystickPointerStartPos;
                e._VJCanvasContext.clearRect(t.x - this._clearContainerSizeOffset, t.y - this._clearContainerSizeOffset, this._clearContainerSize, this._clearContainerSize),
                e._VJCanvasContext.clearRect(this._joystickPreviousPointerPos.x - this._clearPuckSizeOffset, this._joystickPreviousPointerPos.y - this._clearPuckSizeOffset, this._clearPuckSize, this._clearPuckSize)
            }
            ,
            e.prototype.setContainerImage = function(e) {
                var t = this
                  , i = new Image;
                i.src = e,
                i.onload = function() {
                    return t._containerImage = i
                }
            }
            ,
            e.prototype.setPuckImage = function(e) {
                var t = this
                  , i = new Image;
                i.src = e,
                i.onload = function() {
                    return t._puckImage = i
                }
            }
            ,
            e.prototype._drawContainer = function() {
                var t = this._joystickPosition || this._joystickPointerStartPos;
                this._clearPreviousDraw(),
                this._containerImage ? e._VJCanvasContext.drawImage(this._containerImage, t.x - this.containerSize, t.y - this.containerSize, 2 * this.containerSize, 2 * this.containerSize) : (e._VJCanvasContext.beginPath(),
                e._VJCanvasContext.strokeStyle = this._joystickColor,
                e._VJCanvasContext.lineWidth = 2,
                e._VJCanvasContext.arc(t.x, t.y, this.containerSize, 0, 2 * Math.PI, !0),
                e._VJCanvasContext.stroke(),
                e._VJCanvasContext.closePath(),
                e._VJCanvasContext.beginPath(),
                e._VJCanvasContext.lineWidth = 6,
                e._VJCanvasContext.strokeStyle = this._joystickColor,
                e._VJCanvasContext.arc(t.x, t.y, this.puckSize, 0, 2 * Math.PI, !0),
                e._VJCanvasContext.stroke(),
                e._VJCanvasContext.closePath())
            }
            ,
            e.prototype._drawPuck = function() {
                this._puckImage ? e._VJCanvasContext.drawImage(this._puckImage, this._joystickPointerPos.x - this.puckSize, this._joystickPointerPos.y - this.puckSize, 2 * this.puckSize, 2 * this.puckSize) : (e._VJCanvasContext.beginPath(),
                e._VJCanvasContext.strokeStyle = this._joystickColor,
                e._VJCanvasContext.lineWidth = 2,
                e._VJCanvasContext.arc(this._joystickPointerPos.x, this._joystickPointerPos.y, this.puckSize, 0, 2 * Math.PI, !0),
                e._VJCanvasContext.stroke(),
                e._VJCanvasContext.closePath())
            }
            ,
            e.prototype._drawVirtualJoystick = function() {
                var t = this;
                this.alwaysVisible && this._drawContainer(),
                this.pressed && this._touches.forEach((function(i, n) {
                    n.pointerId === t._joystickPointerId ? (t.alwaysVisible || t._drawContainer(),
                    t._drawPuck(),
                    t._joystickPreviousPointerPos = t._joystickPointerPos.clone()) : (e._VJCanvasContext.clearRect(n.prevX - 44, n.prevY - 44, 88, 88),
                    e._VJCanvasContext.beginPath(),
                    e._VJCanvasContext.fillStyle = "white",
                    e._VJCanvasContext.beginPath(),
                    e._VJCanvasContext.strokeStyle = "red",
                    e._VJCanvasContext.lineWidth = 6,
                    e._VJCanvasContext.arc(n.x, n.y, 40, 0, 2 * Math.PI, !0),
                    e._VJCanvasContext.stroke(),
                    e._VJCanvasContext.closePath(),
                    n.prevX = n.x,
                    n.prevY = n.y)
                }
                )),
                requestAnimationFrame((function() {
                    t._drawVirtualJoystick()
                }
                ))
            }
            ,
            e.prototype.releaseCanvas = function() {
                e.Canvas && (e.Canvas.removeEventListener("pointerdown", this._onPointerDownHandlerRef),
                e.Canvas.removeEventListener("pointermove", this._onPointerMoveHandlerRef),
                e.Canvas.removeEventListener("pointerup", this._onPointerUpHandlerRef),
                e.Canvas.removeEventListener("pointerout", this._onPointerUpHandlerRef),
                window.removeEventListener("resize", this._onResize),
                document.body.removeChild(e.Canvas),
                e.Canvas = null)
            }
            ,
            e._GlobalJoystickIndex = 0,
            e._AlwaysVisibleSticks = 0,
            e
        }();
        aa.prototype.addVirtualJoystick = function() {
            return this.add(new ha),
            this
        }
        ;
        var ha = function() {
            function e() {}
            return e.prototype.getLeftJoystick = function() {
                return this._leftjoystick
            }
            ,
            e.prototype.getRightJoystick = function() {
                return this._rightjoystick
            }
            ,
            e.prototype.checkInputs = function() {
                if (this._leftjoystick) {
                    var e = this.camera
                      , t = 50 * e._computeLocalCameraSpeed()
                      , i = P.RotationYawPitchRoll(e.rotation.y, e.rotation.x, 0)
                      , n = x.TransformCoordinates(new x(this._leftjoystick.deltaPosition.x * t,this._leftjoystick.deltaPosition.y * t,this._leftjoystick.deltaPosition.z * t), i);
                    e.cameraDirection = e.cameraDirection.add(n),
                    e.cameraRotation = e.cameraRotation.addVector3(this._rightjoystick.deltaPosition),
                    this._leftjoystick.pressed || (this._leftjoystick.deltaPosition = this._leftjoystick.deltaPosition.scale(.9)),
                    this._rightjoystick.pressed || (this._rightjoystick.deltaPosition = this._rightjoystick.deltaPosition.scale(.9))
                }
            }
            ,
            e.prototype.attachControl = function() {
                this._leftjoystick = new ua(!0),
                this._leftjoystick.setAxisForUpDown(la.Z),
                this._leftjoystick.setAxisForLeftRight(la.X),
                this._leftjoystick.setJoystickSensibility(.15),
                this._rightjoystick = new ua(!1),
                this._rightjoystick.setAxisForUpDown(la.X),
                this._rightjoystick.setAxisForLeftRight(la.Y),
                this._rightjoystick.reverseUpDown = !0,
                this._rightjoystick.setJoystickSensibility(.05),
                this._rightjoystick.setJoystickColor("yellow")
            }
            ,
            e.prototype.detachControl = function() {
                this._leftjoystick.releaseCanvas(),
                this._rightjoystick.releaseCanvas()
            }
            ,
            e.prototype.getClassName = function() {
                return "FreeCameraVirtualJoystickInput"
            }
            ,
            e.prototype.getSimpleName = function() {
                return "virtualJoystick"
            }
            ,
            e
        }();
        Vo.FreeCameraVirtualJoystickInput = ha;
        var da = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.call(this, t, i, n, r) || this;
                return o._tmpUpVector = x.Zero(),
                o._tmpTargetVector = x.Zero(),
                o.cameraDirection = new x(0,0,0),
                o.cameraRotation = new A(0,0),
                o.ignoreParentScaling = !1,
                o.updateUpVectorFromRotation = !1,
                o._tmpQuaternion = new C,
                o.rotation = new x(0,0,0),
                o.speed = 2,
                o.noRotationConstraint = !1,
                o.invertRotation = !1,
                o.inverseRotationSpeed = .2,
                o.lockedTarget = null,
                o._currentTarget = x.Zero(),
                o._initialFocalDistance = 1,
                o._viewMatrix = P.Zero(),
                o._camMatrix = P.Zero(),
                o._cameraTransformMatrix = P.Zero(),
                o._cameraRotationMatrix = P.Zero(),
                o._referencePoint = new x(0,0,1),
                o._transformedReferencePoint = x.Zero(),
                o._defaultUp = x.Up(),
                o._cachedRotationZ = 0,
                o._cachedQuaternionRotationZ = 0,
                o
            }
            return U(t, e),
            t.prototype.getFrontPosition = function(e) {
                this.getWorldMatrix();
                var t = this.getTarget().subtract(this.position);
                return t.normalize(),
                t.scaleInPlace(e),
                this.globalPosition.add(t)
            }
            ,
            t.prototype._getLockedTargetPosition = function() {
                return this.lockedTarget ? (this.lockedTarget.absolutePosition && this.lockedTarget.computeWorldMatrix(),
                this.lockedTarget.absolutePosition || this.lockedTarget) : null
            }
            ,
            t.prototype.storeState = function() {
                return this._storedPosition = this.position.clone(),
                this._storedRotation = this.rotation.clone(),
                this.rotationQuaternion && (this._storedRotationQuaternion = this.rotationQuaternion.clone()),
                e.prototype.storeState.call(this)
            }
            ,
            t.prototype._restoreStateValues = function() {
                return !!e.prototype._restoreStateValues.call(this) && (this.position = this._storedPosition.clone(),
                this.rotation = this._storedRotation.clone(),
                this.rotationQuaternion && (this.rotationQuaternion = this._storedRotationQuaternion.clone()),
                this.cameraDirection.copyFromFloats(0, 0, 0),
                this.cameraRotation.copyFromFloats(0, 0),
                !0)
            }
            ,
            t.prototype._initCache = function() {
                e.prototype._initCache.call(this),
                this._cache.lockedTarget = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cache.rotation = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cache.rotationQuaternion = new C(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE)
            }
            ,
            t.prototype._updateCache = function(t) {
                t || e.prototype._updateCache.call(this);
                var i = this._getLockedTargetPosition();
                i ? this._cache.lockedTarget ? this._cache.lockedTarget.copyFrom(i) : this._cache.lockedTarget = i.clone() : this._cache.lockedTarget = null,
                this._cache.rotation.copyFrom(this.rotation),
                this.rotationQuaternion && this._cache.rotationQuaternion.copyFrom(this.rotationQuaternion)
            }
            ,
            t.prototype._isSynchronizedViewMatrix = function() {
                if (!e.prototype._isSynchronizedViewMatrix.call(this))
                    return !1;
                var t = this._getLockedTargetPosition();
                return (this._cache.lockedTarget ? this._cache.lockedTarget.equals(t) : !t) && (this.rotationQuaternion ? this.rotationQuaternion.equals(this._cache.rotationQuaternion) : this._cache.rotation.equals(this.rotation))
            }
            ,
            t.prototype._computeLocalCameraSpeed = function() {
                var e = this.getEngine();
                return this.speed * Math.sqrt(e.getDeltaTime() / (100 * e.getFps()))
            }
            ,
            t.prototype.setTarget = function(e) {
                this.upVector.normalize(),
                this._initialFocalDistance = e.subtract(this.position).length(),
                this.position.z === e.z && (this.position.z += m),
                this._referencePoint.normalize().scaleInPlace(this._initialFocalDistance),
                P.LookAtLHToRef(this.position, e, this._defaultUp, this._camMatrix),
                this._camMatrix.invert(),
                this.rotation.x = Math.atan(this._camMatrix.m[6] / this._camMatrix.m[10]);
                var t = e.subtract(this.position);
                t.x >= 0 ? this.rotation.y = -Math.atan(t.z / t.x) + Math.PI / 2 : this.rotation.y = -Math.atan(t.z / t.x) - Math.PI / 2,
                this.rotation.z = 0,
                isNaN(this.rotation.x) && (this.rotation.x = 0),
                isNaN(this.rotation.y) && (this.rotation.y = 0),
                isNaN(this.rotation.z) && (this.rotation.z = 0),
                this.rotationQuaternion && C.RotationYawPitchRollToRef(this.rotation.y, this.rotation.x, this.rotation.z, this.rotationQuaternion)
            }
            ,
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    return this.getTarget()
                },
                set: function(e) {
                    this.setTarget(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getTarget = function() {
                return this._currentTarget
            }
            ,
            t.prototype._decideIfNeedsToMove = function() {
                return Math.abs(this.cameraDirection.x) > 0 || Math.abs(this.cameraDirection.y) > 0 || Math.abs(this.cameraDirection.z) > 0
            }
            ,
            t.prototype._updatePosition = function() {
                if (this.parent)
                    return this.parent.getWorldMatrix().invertToRef(I.Matrix[0]),
                    x.TransformNormalToRef(this.cameraDirection, I.Matrix[0], I.Vector3[0]),
                    void this.position.addInPlace(I.Vector3[0]);
                this.position.addInPlace(this.cameraDirection)
            }
            ,
            t.prototype._checkInputs = function() {
                var t = this.invertRotation ? -this.inverseRotationSpeed : 1
                  , i = this._decideIfNeedsToMove()
                  , n = Math.abs(this.cameraRotation.x) > 0 || Math.abs(this.cameraRotation.y) > 0;
                if (i && this._updatePosition(),
                n) {
                    if (this.rotationQuaternion && this.rotationQuaternion.toEulerAnglesToRef(this.rotation),
                    this.rotation.x += this.cameraRotation.x * t,
                    this.rotation.y += this.cameraRotation.y * t,
                    !this.noRotationConstraint) {
                        var r = 1.570796;
                        this.rotation.x > r && (this.rotation.x = r),
                        this.rotation.x < -r && (this.rotation.x = -r)
                    }
                    this.rotationQuaternion && this.rotation.lengthSquared() && C.RotationYawPitchRollToRef(this.rotation.y, this.rotation.x, this.rotation.z, this.rotationQuaternion)
                }
                i && (Math.abs(this.cameraDirection.x) < this.speed * m && (this.cameraDirection.x = 0),
                Math.abs(this.cameraDirection.y) < this.speed * m && (this.cameraDirection.y = 0),
                Math.abs(this.cameraDirection.z) < this.speed * m && (this.cameraDirection.z = 0),
                this.cameraDirection.scaleInPlace(this.inertia)),
                n && (Math.abs(this.cameraRotation.x) < this.speed * m && (this.cameraRotation.x = 0),
                Math.abs(this.cameraRotation.y) < this.speed * m && (this.cameraRotation.y = 0),
                this.cameraRotation.scaleInPlace(this.inertia)),
                e.prototype._checkInputs.call(this)
            }
            ,
            t.prototype._updateCameraRotationMatrix = function() {
                this.rotationQuaternion ? this.rotationQuaternion.toRotationMatrix(this._cameraRotationMatrix) : P.RotationYawPitchRollToRef(this.rotation.y, this.rotation.x, this.rotation.z, this._cameraRotationMatrix)
            }
            ,
            t.prototype._rotateUpVectorWithCameraRotationMatrix = function() {
                return x.TransformNormalToRef(this._defaultUp, this._cameraRotationMatrix, this.upVector),
                this
            }
            ,
            t.prototype._getViewMatrix = function() {
                return this.lockedTarget && this.setTarget(this._getLockedTargetPosition()),
                this._updateCameraRotationMatrix(),
                this.rotationQuaternion && this._cachedQuaternionRotationZ != this.rotationQuaternion.z ? (this._rotateUpVectorWithCameraRotationMatrix(),
                this._cachedQuaternionRotationZ = this.rotationQuaternion.z) : this._cachedRotationZ !== this.rotation.z && (this._rotateUpVectorWithCameraRotationMatrix(),
                this._cachedRotationZ = this.rotation.z),
                x.TransformCoordinatesToRef(this._referencePoint, this._cameraRotationMatrix, this._transformedReferencePoint),
                this.position.addToRef(this._transformedReferencePoint, this._currentTarget),
                this.updateUpVectorFromRotation && (this.rotationQuaternion ? vn.Y.rotateByQuaternionToRef(this.rotationQuaternion, this.upVector) : (C.FromEulerVectorToRef(this.rotation, this._tmpQuaternion),
                vn.Y.rotateByQuaternionToRef(this._tmpQuaternion, this.upVector))),
                this._computeViewMatrix(this.position, this._currentTarget, this.upVector),
                this._viewMatrix
            }
            ,
            t.prototype._computeViewMatrix = function(e, t, i) {
                if (this.ignoreParentScaling) {
                    if (this.parent) {
                        var n = this.parent.getWorldMatrix();
                        x.TransformCoordinatesToRef(e, n, this._globalPosition),
                        x.TransformCoordinatesToRef(t, n, this._tmpTargetVector),
                        x.TransformNormalToRef(i, n, this._tmpUpVector),
                        this._markSyncedWithParent()
                    } else
                        this._globalPosition.copyFrom(e),
                        this._tmpTargetVector.copyFrom(t),
                        this._tmpUpVector.copyFrom(i);
                    this.getScene().useRightHandedSystem ? P.LookAtRHToRef(this._globalPosition, this._tmpTargetVector, this._tmpUpVector, this._viewMatrix) : P.LookAtLHToRef(this._globalPosition, this._tmpTargetVector, this._tmpUpVector, this._viewMatrix)
                } else
                    this.getScene().useRightHandedSystem ? P.LookAtRHToRef(e, t, i, this._viewMatrix) : P.LookAtLHToRef(e, t, i, this._viewMatrix),
                    this.parent ? (n = this.parent.getWorldMatrix(),
                    this._viewMatrix.invert(),
                    this._viewMatrix.multiplyToRef(n, this._viewMatrix),
                    this._viewMatrix.getTranslationToRef(this._globalPosition),
                    this._viewMatrix.invert(),
                    this._markSyncedWithParent()) : this._globalPosition.copyFrom(e)
            }
            ,
            t.prototype.createRigCamera = function(e, i) {
                if (this.cameraRigMode !== Rr.RIG_MODE_NONE) {
                    var n = new t(e,this.position.clone(),this.getScene());
                    return n.isRigCamera = !0,
                    n.rigParent = this,
                    this.cameraRigMode !== Rr.RIG_MODE_VR && this.cameraRigMode !== Rr.RIG_MODE_WEBVR || (this.rotationQuaternion || (this.rotationQuaternion = new C),
                    n._cameraRigParams = {},
                    n.rotationQuaternion = new C),
                    n
                }
                return null
            }
            ,
            t.prototype._updateRigCameras = function() {
                var t = this._rigCameras[0]
                  , i = this._rigCameras[1];
                switch (this.computeWorldMatrix(),
                this.cameraRigMode) {
                case Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH:
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL:
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED:
                case Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER:
                case Rr.RIG_MODE_STEREOSCOPIC_INTERLACED:
                    var n = this.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED ? 1 : -1
                      , r = this.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED ? -1 : 1;
                    this._getRigCamPositionAndTarget(this._cameraRigParams.stereoHalfAngle * n, t),
                    this._getRigCamPositionAndTarget(this._cameraRigParams.stereoHalfAngle * r, i);
                    break;
                case Rr.RIG_MODE_VR:
                    t.rotationQuaternion ? (t.rotationQuaternion.copyFrom(this.rotationQuaternion),
                    i.rotationQuaternion.copyFrom(this.rotationQuaternion)) : (t.rotation.copyFrom(this.rotation),
                    i.rotation.copyFrom(this.rotation)),
                    t.position.copyFrom(this.position),
                    i.position.copyFrom(this.position)
                }
                e.prototype._updateRigCameras.call(this)
            }
            ,
            t.prototype._getRigCamPositionAndTarget = function(e, i) {
                this.getTarget().subtractToRef(this.position, t._TargetFocalPoint),
                t._TargetFocalPoint.normalize().scaleInPlace(this._initialFocalDistance);
                var n = t._TargetFocalPoint.addInPlace(this.position);
                P.TranslationToRef(-n.x, -n.y, -n.z, t._TargetTransformMatrix),
                t._TargetTransformMatrix.multiplyToRef(P.RotationAxis(i.upVector, e), t._RigCamTransformMatrix),
                P.TranslationToRef(n.x, n.y, n.z, t._TargetTransformMatrix),
                t._RigCamTransformMatrix.multiplyToRef(t._TargetTransformMatrix, t._RigCamTransformMatrix),
                x.TransformCoordinatesToRef(this.position, t._RigCamTransformMatrix, i.position),
                i.setTarget(n)
            }
            ,
            t.prototype.getClassName = function() {
                return "TargetCamera"
            }
            ,
            t._RigCamTransformMatrix = new P,
            t._TargetTransformMatrix = new P,
            t._TargetFocalPoint = new x,
            k([De()], t.prototype, "rotation", void 0),
            k([Ce()], t.prototype, "speed", void 0),
            k([Ne("lockedTargetId")], t.prototype, "lockedTarget", void 0),
            t
        }(Rr)
          , pa = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.call(this, t, i, n, r) || this;
                return o.ellipsoid = new x(.5,1,.5),
                o.ellipsoidOffset = new x(0,0,0),
                o.checkCollisions = !1,
                o.applyGravity = !1,
                o._needMoveForGravity = !1,
                o._oldPosition = x.Zero(),
                o._diffPosition = x.Zero(),
                o._newPosition = x.Zero(),
                o._collisionMask = -1,
                o._onCollisionPositionChange = function(e, t, i) {
                    var n;
                    void 0 === i && (i = null),
                    n = t,
                    o._newPosition.copyFrom(n),
                    o._newPosition.subtractToRef(o._oldPosition, o._diffPosition),
                    o._diffPosition.length() > vr.CollisionsEpsilon && (o.position.addInPlace(o._diffPosition),
                    o.onCollide && i && o.onCollide(i))
                }
                ,
                o.inputs = new aa(o),
                o.inputs.addKeyboard().addMouse(),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "angularSensibility", {
                get: function() {
                    var e = this.inputs.attached.mouse;
                    return e ? e.angularSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.mouse;
                    t && (t.angularSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysUp", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysUp : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysUp = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysUpward", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysUpward : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysUpward = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysDown", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysDown : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysDown = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysDownward", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysDownward : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysDownward = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysLeft", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysLeft : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysLeft = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysRight", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysRight : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysRight = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysRotateLeft", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysRotateLeft : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysRotateLeft = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysRotateRight", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysRotateRight : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysRotateRight = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.attachControl = function(e, t) {
                t = gi.BackCompatCameraNoPreventDefault(arguments),
                this.inputs.attachElement(t)
            }
            ,
            t.prototype.detachControl = function() {
                this.inputs.detachElement(),
                this.cameraDirection = new x(0,0,0),
                this.cameraRotation = new A(0,0)
            }
            ,
            Object.defineProperty(t.prototype, "collisionMask", {
                get: function() {
                    return this._collisionMask
                },
                set: function(e) {
                    this._collisionMask = isNaN(e) ? -1 : e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._collideWithWorld = function(e) {
                (this.parent ? x.TransformCoordinates(this.position, this.parent.getWorldMatrix()) : this.position).subtractFromFloatsToRef(0, this.ellipsoid.y, 0, this._oldPosition),
                this._oldPosition.addInPlace(this.ellipsoidOffset);
                var t = this.getScene().collisionCoordinator;
                this._collider || (this._collider = t.createCollider()),
                this._collider._radius = this.ellipsoid,
                this._collider.collisionMask = this._collisionMask;
                var i = e;
                this.applyGravity && (i = e.add(this.getScene().gravity)),
                t.getNewPosition(this._oldPosition, i, this._collider, 3, null, this._onCollisionPositionChange, this.uniqueId)
            }
            ,
            t.prototype._checkInputs = function() {
                this._localDirection || (this._localDirection = x.Zero(),
                this._transformedDirection = x.Zero()),
                this.inputs.checkInputs(),
                e.prototype._checkInputs.call(this)
            }
            ,
            t.prototype._decideIfNeedsToMove = function() {
                return this._needMoveForGravity || Math.abs(this.cameraDirection.x) > 0 || Math.abs(this.cameraDirection.y) > 0 || Math.abs(this.cameraDirection.z) > 0
            }
            ,
            t.prototype._updatePosition = function() {
                this.checkCollisions && this.getScene().collisionsEnabled ? this._collideWithWorld(this.cameraDirection) : e.prototype._updatePosition.call(this)
            }
            ,
            t.prototype.dispose = function() {
                this.inputs.clear(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "FreeCamera"
            }
            ,
            k([De()], t.prototype, "ellipsoid", void 0),
            k([De()], t.prototype, "ellipsoidOffset", void 0),
            k([Ce()], t.prototype, "checkCollisions", void 0),
            k([Ce()], t.prototype, "applyGravity", void 0),
            t
        }(da);
        Xe.AddNodeConstructor("TouchCamera", (function(e, t) {
            return function() {
                return new fa(e,x.Zero(),t)
            }
        }
        ));
        var fa = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r.inputs.addTouch(),
                r._setupInputs(),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "touchAngularSensibility", {
                get: function() {
                    var e = this.inputs.attached.touch;
                    return e ? e.touchAngularSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.touch;
                    t && (t.touchAngularSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "touchMoveSensibility", {
                get: function() {
                    var e = this.inputs.attached.touch;
                    return e ? e.touchMoveSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.touch;
                    t && (t.touchMoveSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "TouchCamera"
            }
            ,
            t.prototype._setupInputs = function() {
                var e = this.inputs.attached.touch
                  , t = this.inputs.attached.mouse;
                t ? t.touchEnabled = !1 : e.allowMouse = !0
            }
            ,
            t
        }(pa);
        Xe.AddNodeConstructor("ArcRotateCamera", (function(e, t) {
            return function() {
                return new _a(e,0,0,1,x.Zero(),t)
            }
        }
        ));
        var _a = function(e) {
            function t(t, i, n, r, o, a, s) {
                void 0 === s && (s = !0);
                var l = e.call(this, t, x.Zero(), a, s) || this;
                return l.inertialAlphaOffset = 0,
                l.inertialBetaOffset = 0,
                l.inertialRadiusOffset = 0,
                l.lowerAlphaLimit = null,
                l.upperAlphaLimit = null,
                l.lowerBetaLimit = .01,
                l.upperBetaLimit = Math.PI - .01,
                l.lowerRadiusLimit = null,
                l.upperRadiusLimit = null,
                l.inertialPanningX = 0,
                l.inertialPanningY = 0,
                l.pinchToPanMaxDistance = 20,
                l.panningDistanceLimit = null,
                l.panningOriginTarget = x.Zero(),
                l.panningInertia = .9,
                l.zoomOnFactor = 1,
                l.targetScreenOffset = A.Zero(),
                l.allowUpsideDown = !0,
                l.useInputToRestoreState = !0,
                l._viewMatrix = new P,
                l.panningAxis = new x(1,1,0),
                l._transformedDirection = new x,
                l.mapPanning = !1,
                l.onMeshTargetChangedObservable = new h,
                l.checkCollisions = !1,
                l.collisionRadius = new x(.5,.5,.5),
                l._previousPosition = x.Zero(),
                l._collisionVelocity = x.Zero(),
                l._newPosition = x.Zero(),
                l._computationVector = x.Zero(),
                l._onCollisionPositionChange = function(e, t, i) {
                    void 0 === i && (i = null),
                    i ? (l.setPosition(t),
                    l.onCollide && l.onCollide(i)) : l._previousPosition.copyFrom(l._position);
                    var n = Math.cos(l.alpha)
                      , r = Math.sin(l.alpha)
                      , o = Math.cos(l.beta)
                      , a = Math.sin(l.beta);
                    0 === a && (a = 1e-4);
                    var s = l._getTargetPosition();
                    l._computationVector.copyFromFloats(l.radius * n * a, l.radius * o, l.radius * r * a),
                    s.addToRef(l._computationVector, l._newPosition),
                    l._position.copyFrom(l._newPosition);
                    var c = l.upVector;
                    l.allowUpsideDown && l.beta < 0 && (c = (c = c.clone()).negate()),
                    l._computeViewMatrix(l._position, s, c),
                    l._viewMatrix.addAtIndex(12, l.targetScreenOffset.x),
                    l._viewMatrix.addAtIndex(13, l.targetScreenOffset.y),
                    l._collisionTriggered = !1
                }
                ,
                l._target = x.Zero(),
                o && l.setTarget(o),
                l.alpha = i,
                l.beta = n,
                l.radius = r,
                l.getViewMatrix(),
                l.inputs = new Ko(l),
                l.inputs.addKeyboard().addMouseWheel().addPointers(),
                l
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    return this._target
                },
                set: function(e) {
                    this.setTarget(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "targetHost", {
                get: function() {
                    return this._targetHost
                },
                set: function(e) {
                    e && this.setTarget(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getTarget = function() {
                return this.target
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._position
                },
                set: function(e) {
                    this.setPosition(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "upVector", {
                get: function() {
                    return this._upVector
                },
                set: function(e) {
                    this._upToYMatrix || (this._yToUpMatrix = new P,
                    this._upToYMatrix = new P,
                    this._upVector = x.Zero()),
                    e.normalize(),
                    this._upVector.copyFrom(e),
                    this.setMatUp()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setMatUp = function() {
                P.RotationAlignToRef(x.UpReadOnly, this._upVector, this._yToUpMatrix),
                P.RotationAlignToRef(this._upVector, x.UpReadOnly, this._upToYMatrix)
            }
            ,
            Object.defineProperty(t.prototype, "angularSensibilityX", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return e ? e.angularSensibilityX : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.angularSensibilityX = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "angularSensibilityY", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return e ? e.angularSensibilityY : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.angularSensibilityY = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "pinchPrecision", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return e ? e.pinchPrecision : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.pinchPrecision = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "pinchDeltaPercentage", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return e ? e.pinchDeltaPercentage : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.pinchDeltaPercentage = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useNaturalPinchZoom", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return !!e && e.useNaturalPinchZoom
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.useNaturalPinchZoom = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "panningSensibility", {
                get: function() {
                    var e = this.inputs.attached.pointers;
                    return e ? e.panningSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.pointers;
                    t && (t.panningSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysUp", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysUp : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysUp = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysDown", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysDown : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysDown = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysLeft", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysLeft : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysLeft = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysRight", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysRight : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysRight = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelPrecision", {
                get: function() {
                    var e = this.inputs.attached.mousewheel;
                    return e ? e.wheelPrecision : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.mousewheel;
                    t && (t.wheelPrecision = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "zoomToMouseLocation", {
                get: function() {
                    var e = this.inputs.attached.mousewheel;
                    return !!e && e.zoomToMouseLocation
                },
                set: function(e) {
                    var t = this.inputs.attached.mousewheel;
                    t && (t.zoomToMouseLocation = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wheelDeltaPercentage", {
                get: function() {
                    var e = this.inputs.attached.mousewheel;
                    return e ? e.wheelDeltaPercentage : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.mousewheel;
                    t && (t.wheelDeltaPercentage = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bouncingBehavior", {
                get: function() {
                    return this._bouncingBehavior
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useBouncingBehavior", {
                get: function() {
                    return null != this._bouncingBehavior
                },
                set: function(e) {
                    e !== this.useBouncingBehavior && (e ? (this._bouncingBehavior = new co,
                    this.addBehavior(this._bouncingBehavior)) : this._bouncingBehavior && (this.removeBehavior(this._bouncingBehavior),
                    this._bouncingBehavior = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "framingBehavior", {
                get: function() {
                    return this._framingBehavior
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useFramingBehavior", {
                get: function() {
                    return null != this._framingBehavior
                },
                set: function(e) {
                    e !== this.useFramingBehavior && (e ? (this._framingBehavior = new uo,
                    this.addBehavior(this._framingBehavior)) : this._framingBehavior && (this.removeBehavior(this._framingBehavior),
                    this._framingBehavior = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "autoRotationBehavior", {
                get: function() {
                    return this._autoRotationBehavior
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useAutoRotationBehavior", {
                get: function() {
                    return null != this._autoRotationBehavior
                },
                set: function(e) {
                    e !== this.useAutoRotationBehavior && (e ? (this._autoRotationBehavior = new lo,
                    this.addBehavior(this._autoRotationBehavior)) : this._autoRotationBehavior && (this.removeBehavior(this._autoRotationBehavior),
                    this._autoRotationBehavior = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._initCache = function() {
                e.prototype._initCache.call(this),
                this._cache._target = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cache.alpha = void 0,
                this._cache.beta = void 0,
                this._cache.radius = void 0,
                this._cache.targetScreenOffset = A.Zero()
            }
            ,
            t.prototype._updateCache = function(t) {
                t || e.prototype._updateCache.call(this),
                this._cache._target.copyFrom(this._getTargetPosition()),
                this._cache.alpha = this.alpha,
                this._cache.beta = this.beta,
                this._cache.radius = this.radius,
                this._cache.targetScreenOffset.copyFrom(this.targetScreenOffset)
            }
            ,
            t.prototype._getTargetPosition = function() {
                if (this._targetHost && this._targetHost.getAbsolutePosition) {
                    var e = this._targetHost.getAbsolutePosition();
                    this._targetBoundingCenter ? e.addToRef(this._targetBoundingCenter, this._target) : this._target.copyFrom(e)
                }
                return this._getLockedTargetPosition() || this._target
            }
            ,
            t.prototype.storeState = function() {
                return this._storedAlpha = this.alpha,
                this._storedBeta = this.beta,
                this._storedRadius = this.radius,
                this._storedTarget = this._getTargetPosition().clone(),
                this._storedTargetScreenOffset = this.targetScreenOffset.clone(),
                e.prototype.storeState.call(this)
            }
            ,
            t.prototype._restoreStateValues = function() {
                return !!e.prototype._restoreStateValues.call(this) && (this.setTarget(this._storedTarget.clone()),
                this.alpha = this._storedAlpha,
                this.beta = this._storedBeta,
                this.radius = this._storedRadius,
                this.targetScreenOffset = this._storedTargetScreenOffset.clone(),
                this.inertialAlphaOffset = 0,
                this.inertialBetaOffset = 0,
                this.inertialRadiusOffset = 0,
                this.inertialPanningX = 0,
                this.inertialPanningY = 0,
                !0)
            }
            ,
            t.prototype._isSynchronizedViewMatrix = function() {
                return !!e.prototype._isSynchronizedViewMatrix.call(this) && this._cache._target.equals(this._getTargetPosition()) && this._cache.alpha === this.alpha && this._cache.beta === this.beta && this._cache.radius === this.radius && this._cache.targetScreenOffset.equals(this.targetScreenOffset)
            }
            ,
            t.prototype.attachControl = function(e, t, i, n) {
                var r = this;
                void 0 === i && (i = !0),
                void 0 === n && (n = 2);
                var o = arguments;
                t = gi.BackCompatCameraNoPreventDefault(o),
                this._useCtrlForPanning = i,
                this._panningMouseButton = n,
                "boolean" == typeof o[0] && (o.length > 1 && (this._useCtrlForPanning = o[1]),
                o.length > 2 && (this._panningMouseButton = o[2])),
                this.inputs.attachElement(t),
                this._reset = function() {
                    r.inertialAlphaOffset = 0,
                    r.inertialBetaOffset = 0,
                    r.inertialRadiusOffset = 0,
                    r.inertialPanningX = 0,
                    r.inertialPanningY = 0
                }
            }
            ,
            t.prototype.detachControl = function() {
                this.inputs.detachElement(),
                this._reset && this._reset()
            }
            ,
            t.prototype._checkInputs = function() {
                if (!this._collisionTriggered) {
                    if (this.inputs.checkInputs(),
                    0 !== this.inertialAlphaOffset || 0 !== this.inertialBetaOffset || 0 !== this.inertialRadiusOffset) {
                        var t = this.inertialAlphaOffset;
                        this.beta <= 0 && (t *= -1),
                        this.getScene().useRightHandedSystem && (t *= -1),
                        this.parent && this.parent._getWorldMatrixDeterminant() < 0 && (t *= -1),
                        this.alpha += t,
                        this.beta += this.inertialBetaOffset,
                        this.radius -= this.inertialRadiusOffset,
                        this.inertialAlphaOffset *= this.inertia,
                        this.inertialBetaOffset *= this.inertia,
                        this.inertialRadiusOffset *= this.inertia,
                        Math.abs(this.inertialAlphaOffset) < m && (this.inertialAlphaOffset = 0),
                        Math.abs(this.inertialBetaOffset) < m && (this.inertialBetaOffset = 0),
                        Math.abs(this.inertialRadiusOffset) < this.speed * m && (this.inertialRadiusOffset = 0)
                    }
                    if (0 !== this.inertialPanningX || 0 !== this.inertialPanningY) {
                        var i = new x(this.inertialPanningX,this.inertialPanningY,this.inertialPanningY);
                        this._viewMatrix.invertToRef(this._cameraTransformMatrix),
                        i.multiplyInPlace(this.panningAxis),
                        x.TransformNormalToRef(i, this._cameraTransformMatrix, this._transformedDirection),
                        !this.mapPanning && this.panningAxis.y || (this._transformedDirection.y = 0),
                        this._targetHost || (this.panningDistanceLimit ? (this._transformedDirection.addInPlace(this._target),
                        x.DistanceSquared(this._transformedDirection, this.panningOriginTarget) <= this.panningDistanceLimit * this.panningDistanceLimit && this._target.copyFrom(this._transformedDirection)) : this._target.addInPlace(this._transformedDirection)),
                        this.inertialPanningX *= this.panningInertia,
                        this.inertialPanningY *= this.panningInertia,
                        Math.abs(this.inertialPanningX) < this.speed * m && (this.inertialPanningX = 0),
                        Math.abs(this.inertialPanningY) < this.speed * m && (this.inertialPanningY = 0)
                    }
                    this._checkLimits(),
                    e.prototype._checkInputs.call(this)
                }
            }
            ,
            t.prototype._checkLimits = function() {
                null === this.lowerBetaLimit || void 0 === this.lowerBetaLimit ? this.allowUpsideDown && this.beta > Math.PI && (this.beta = this.beta - 2 * Math.PI) : this.beta < this.lowerBetaLimit && (this.beta = this.lowerBetaLimit),
                null === this.upperBetaLimit || void 0 === this.upperBetaLimit ? this.allowUpsideDown && this.beta < -Math.PI && (this.beta = this.beta + 2 * Math.PI) : this.beta > this.upperBetaLimit && (this.beta = this.upperBetaLimit),
                null !== this.lowerAlphaLimit && this.alpha < this.lowerAlphaLimit && (this.alpha = this.lowerAlphaLimit),
                null !== this.upperAlphaLimit && this.alpha > this.upperAlphaLimit && (this.alpha = this.upperAlphaLimit),
                null !== this.lowerRadiusLimit && this.radius < this.lowerRadiusLimit && (this.radius = this.lowerRadiusLimit,
                this.inertialRadiusOffset = 0),
                null !== this.upperRadiusLimit && this.radius > this.upperRadiusLimit && (this.radius = this.upperRadiusLimit,
                this.inertialRadiusOffset = 0)
            }
            ,
            t.prototype.rebuildAnglesAndRadius = function() {
                this._position.subtractToRef(this._getTargetPosition(), this._computationVector),
                0 === this._upVector.x && 1 === this._upVector.y && 0 === this._upVector.z || x.TransformCoordinatesToRef(this._computationVector, this._upToYMatrix, this._computationVector),
                this.radius = this._computationVector.length(),
                0 === this.radius && (this.radius = 1e-4);
                var e = this.alpha;
                0 === this._computationVector.x && 0 === this._computationVector.z ? this.alpha = Math.PI / 2 : this.alpha = Math.acos(this._computationVector.x / Math.sqrt(Math.pow(this._computationVector.x, 2) + Math.pow(this._computationVector.z, 2))),
                this._computationVector.z < 0 && (this.alpha = 2 * Math.PI - this.alpha);
                var t = Math.round((e - this.alpha) / (2 * Math.PI));
                this.alpha += 2 * t * Math.PI,
                this.beta = Math.acos(this._computationVector.y / this.radius),
                this._checkLimits()
            }
            ,
            t.prototype.setPosition = function(e) {
                this._position.equals(e) || (this._position.copyFrom(e),
                this.rebuildAnglesAndRadius())
            }
            ,
            t.prototype.setTarget = function(e, t, i, n) {
                if (void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                e.getBoundingInfo)
                    this._targetBoundingCenter = t ? e.getBoundingInfo().boundingBox.centerWorld.clone() : null,
                    e.computeWorldMatrix(),
                    this._targetHost = e,
                    this._target = this._getTargetPosition(),
                    this.onMeshTargetChangedObservable.notifyObservers(this._targetHost);
                else {
                    var r = e
                      , o = this._getTargetPosition();
                    if (o && !i && o.equals(r))
                        return;
                    this._targetHost = null,
                    this._target = r,
                    this._targetBoundingCenter = null,
                    this.onMeshTargetChangedObservable.notifyObservers(null)
                }
                n || this.rebuildAnglesAndRadius()
            }
            ,
            t.prototype._getViewMatrix = function() {
                var e = Math.cos(this.alpha)
                  , t = Math.sin(this.alpha)
                  , i = Math.cos(this.beta)
                  , n = Math.sin(this.beta);
                0 === n && (n = 1e-4),
                0 === this.radius && (this.radius = 1e-4);
                var r = this._getTargetPosition();
                if (this._computationVector.copyFromFloats(this.radius * e * n, this.radius * i, this.radius * t * n),
                0 === this._upVector.x && 1 === this._upVector.y && 0 === this._upVector.z || x.TransformCoordinatesToRef(this._computationVector, this._yToUpMatrix, this._computationVector),
                r.addToRef(this._computationVector, this._newPosition),
                this.getScene().collisionsEnabled && this.checkCollisions) {
                    var o = this.getScene().collisionCoordinator;
                    this._collider || (this._collider = o.createCollider()),
                    this._collider._radius = this.collisionRadius,
                    this._newPosition.subtractToRef(this._position, this._collisionVelocity),
                    this._collisionTriggered = !0,
                    o.getNewPosition(this._position, this._collisionVelocity, this._collider, 3, null, this._onCollisionPositionChange, this.uniqueId)
                } else {
                    this._position.copyFrom(this._newPosition);
                    var a = this.upVector;
                    this.allowUpsideDown && n < 0 && (a = a.negate()),
                    this._computeViewMatrix(this._position, r, a),
                    this._viewMatrix.addAtIndex(12, this.targetScreenOffset.x),
                    this._viewMatrix.addAtIndex(13, this.targetScreenOffset.y)
                }
                return this._currentTarget = r,
                this._viewMatrix
            }
            ,
            t.prototype.zoomOn = function(e, t) {
                void 0 === t && (t = !1),
                e = e || this.getScene().meshes;
                var i = Vr.MinMax(e)
                  , n = x.Distance(i.min, i.max);
                this.radius = n * this.zoomOnFactor,
                this.focusOn({
                    min: i.min,
                    max: i.max,
                    distance: n
                }, t)
            }
            ,
            t.prototype.focusOn = function(e, t) {
                var i, n;
                if (void 0 === t && (t = !1),
                void 0 === e.min) {
                    var r = e || this.getScene().meshes;
                    i = Vr.MinMax(r),
                    n = x.Distance(i.min, i.max)
                } else
                    i = e,
                    n = e.distance;
                this._target = Vr.Center(i),
                t || (this.maxZ = 2 * n)
            }
            ,
            t.prototype.createRigCamera = function(e, i) {
                var n = 0;
                switch (this.cameraRigMode) {
                case Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH:
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL:
                case Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER:
                case Rr.RIG_MODE_STEREOSCOPIC_INTERLACED:
                case Rr.RIG_MODE_VR:
                    n = this._cameraRigParams.stereoHalfAngle * (0 === i ? 1 : -1);
                    break;
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED:
                    n = this._cameraRigParams.stereoHalfAngle * (0 === i ? -1 : 1)
                }
                var r = new t(e,this.alpha + n,this.beta,this.radius,this._target,this.getScene());
                return r._cameraRigParams = {},
                r.isRigCamera = !0,
                r.rigParent = this,
                r.upVector = this.upVector,
                r
            }
            ,
            t.prototype._updateRigCameras = function() {
                var t = this._rigCameras[0]
                  , i = this._rigCameras[1];
                switch (t.beta = i.beta = this.beta,
                this.cameraRigMode) {
                case Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH:
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL:
                case Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER:
                case Rr.RIG_MODE_STEREOSCOPIC_INTERLACED:
                case Rr.RIG_MODE_VR:
                    t.alpha = this.alpha - this._cameraRigParams.stereoHalfAngle,
                    i.alpha = this.alpha + this._cameraRigParams.stereoHalfAngle;
                    break;
                case Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED:
                    t.alpha = this.alpha + this._cameraRigParams.stereoHalfAngle,
                    i.alpha = this.alpha - this._cameraRigParams.stereoHalfAngle
                }
                e.prototype._updateRigCameras.call(this)
            }
            ,
            t.prototype.dispose = function() {
                this.inputs.clear(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "ArcRotateCamera"
            }
            ,
            k([Ce()], t.prototype, "alpha", void 0),
            k([Ce()], t.prototype, "beta", void 0),
            k([Ce()], t.prototype, "radius", void 0),
            k([De("target")], t.prototype, "_target", void 0),
            k([Ne("targetHost")], t.prototype, "_targetHost", void 0),
            k([Ce()], t.prototype, "inertialAlphaOffset", void 0),
            k([Ce()], t.prototype, "inertialBetaOffset", void 0),
            k([Ce()], t.prototype, "inertialRadiusOffset", void 0),
            k([Ce()], t.prototype, "lowerAlphaLimit", void 0),
            k([Ce()], t.prototype, "upperAlphaLimit", void 0),
            k([Ce()], t.prototype, "lowerBetaLimit", void 0),
            k([Ce()], t.prototype, "upperBetaLimit", void 0),
            k([Ce()], t.prototype, "lowerRadiusLimit", void 0),
            k([Ce()], t.prototype, "upperRadiusLimit", void 0),
            k([Ce()], t.prototype, "inertialPanningX", void 0),
            k([Ce()], t.prototype, "inertialPanningY", void 0),
            k([Ce()], t.prototype, "pinchToPanMaxDistance", void 0),
            k([Ce()], t.prototype, "panningDistanceLimit", void 0),
            k([De()], t.prototype, "panningOriginTarget", void 0),
            k([Ce()], t.prototype, "panningInertia", void 0),
            k([Ce()], t.prototype, "zoomToMouseLocation", null),
            k([Ce()], t.prototype, "zoomOnFactor", void 0),
            k([Oe()], t.prototype, "targetScreenOffset", void 0),
            k([Ce()], t.prototype, "allowUpsideDown", void 0),
            k([Ce()], t.prototype, "useInputToRestoreState", void 0),
            t
        }(da);
        Xe.AddNodeConstructor("DeviceOrientationCamera", (function(e, t) {
            return function() {
                return new ma(e,x.Zero(),t)
            }
        }
        ));
        var ma = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r._tmpDragQuaternion = new C,
                r._disablePointerInputWhenUsingDeviceOrientation = !0,
                r._dragFactor = 0,
                r._quaternionCache = new C,
                r.inputs.addDeviceOrientation(),
                r.inputs._deviceOrientationInput && r.inputs._deviceOrientationInput._onDeviceOrientationChangedObservable.addOnce((function() {
                    r._disablePointerInputWhenUsingDeviceOrientation && r.inputs._mouseInput && (r.inputs._mouseInput._allowCameraRotation = !1,
                    r.inputs._mouseInput.onPointerMovedObservable.add((function(e) {
                        0 != r._dragFactor && (r._initialQuaternion || (r._initialQuaternion = new C),
                        C.FromEulerAnglesToRef(0, e.offsetX * r._dragFactor, 0, r._tmpDragQuaternion),
                        r._initialQuaternion.multiplyToRef(r._tmpDragQuaternion, r._initialQuaternion))
                    }
                    )))
                }
                )),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "disablePointerInputWhenUsingDeviceOrientation", {
                get: function() {
                    return this._disablePointerInputWhenUsingDeviceOrientation
                },
                set: function(e) {
                    this._disablePointerInputWhenUsingDeviceOrientation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.enableHorizontalDragging = function(e) {
                void 0 === e && (e = 1 / 300),
                this._dragFactor = e
            }
            ,
            t.prototype.getClassName = function() {
                return "DeviceOrientationCamera"
            }
            ,
            t.prototype._checkInputs = function() {
                e.prototype._checkInputs.call(this),
                this._quaternionCache.copyFrom(this.rotationQuaternion),
                this._initialQuaternion && this._initialQuaternion.multiplyToRef(this.rotationQuaternion, this.rotationQuaternion)
            }
            ,
            t.prototype.resetToCurrentRotation = function(e) {
                var t = this;
                void 0 === e && (e = vn.Y),
                this.rotationQuaternion && (this._initialQuaternion || (this._initialQuaternion = new C),
                this._initialQuaternion.copyFrom(this._quaternionCache || this.rotationQuaternion),
                ["x", "y", "z"].forEach((function(i) {
                    e[i] ? t._initialQuaternion[i] *= -1 : t._initialQuaternion[i] = 0
                }
                )),
                this._initialQuaternion.normalize(),
                this._initialQuaternion.multiplyToRef(this.rotationQuaternion, this.rotationQuaternion))
            }
            ,
            t
        }(pa)
          , ga = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            t.prototype.addKeyboard = function() {
                return this.add(new qo),
                this
            }
            ,
            t.prototype.addMouse = function() {
                return this.add(new Zo),
                this
            }
            ,
            t
        }(ko)
          , va = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.call(this, t, i, n, r) || this;
                return o.ellipsoid = new x(1,1,1),
                o.ellipsoidOffset = new x(0,0,0),
                o.checkCollisions = !1,
                o.applyGravity = !1,
                o.cameraDirection = x.Zero(),
                o._trackRoll = 0,
                o.rollCorrect = 100,
                o.bankedTurn = !1,
                o.bankedTurnLimit = Math.PI / 2,
                o.bankedTurnMultiplier = 1,
                o._needMoveForGravity = !1,
                o._oldPosition = x.Zero(),
                o._diffPosition = x.Zero(),
                o._newPosition = x.Zero(),
                o._collisionMask = -1,
                o._onCollisionPositionChange = function(e, t, i) {
                    var n;
                    void 0 === i && (i = null),
                    n = t,
                    o._newPosition.copyFrom(n),
                    o._newPosition.subtractToRef(o._oldPosition, o._diffPosition),
                    o._diffPosition.length() > vr.CollisionsEpsilon && (o.position.addInPlace(o._diffPosition),
                    o.onCollide && i && o.onCollide(i))
                }
                ,
                o.inputs = new ga(o),
                o.inputs.addKeyboard().addMouse(),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "angularSensibility", {
                get: function() {
                    var e = this.inputs.attached.mouse;
                    return e ? e.angularSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.mouse;
                    t && (t.angularSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysForward", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysForward : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysForward = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysBackward", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysBackward : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysBackward = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysUp", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysUp : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysUp = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysDown", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysDown : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysDown = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysLeft", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysLeft : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysLeft = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "keysRight", {
                get: function() {
                    var e = this.inputs.attached.keyboard;
                    return e ? e.keysRight : []
                },
                set: function(e) {
                    var t = this.inputs.attached.keyboard;
                    t && (t.keysRight = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.attachControl = function(e, t) {
                t = gi.BackCompatCameraNoPreventDefault(arguments),
                this.inputs.attachElement(t)
            }
            ,
            t.prototype.detachControl = function() {
                this.inputs.detachElement(),
                this.cameraDirection = new x(0,0,0)
            }
            ,
            Object.defineProperty(t.prototype, "collisionMask", {
                get: function() {
                    return this._collisionMask
                },
                set: function(e) {
                    this._collisionMask = isNaN(e) ? -1 : e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._collideWithWorld = function(e) {
                (this.parent ? x.TransformCoordinates(this.position, this.parent.getWorldMatrix()) : this.position).subtractFromFloatsToRef(0, this.ellipsoid.y, 0, this._oldPosition),
                this._oldPosition.addInPlace(this.ellipsoidOffset);
                var t = this.getScene().collisionCoordinator;
                this._collider || (this._collider = t.createCollider()),
                this._collider._radius = this.ellipsoid,
                this._collider.collisionMask = this._collisionMask;
                var i = e;
                this.applyGravity && (i = e.add(this.getScene().gravity)),
                t.getNewPosition(this._oldPosition, i, this._collider, 3, null, this._onCollisionPositionChange, this.uniqueId)
            }
            ,
            t.prototype._checkInputs = function() {
                this._localDirection || (this._localDirection = x.Zero(),
                this._transformedDirection = x.Zero()),
                this.inputs.checkInputs(),
                e.prototype._checkInputs.call(this)
            }
            ,
            t.prototype._decideIfNeedsToMove = function() {
                return this._needMoveForGravity || Math.abs(this.cameraDirection.x) > 0 || Math.abs(this.cameraDirection.y) > 0 || Math.abs(this.cameraDirection.z) > 0
            }
            ,
            t.prototype._updatePosition = function() {
                this.checkCollisions && this.getScene().collisionsEnabled ? this._collideWithWorld(this.cameraDirection) : e.prototype._updatePosition.call(this)
            }
            ,
            t.prototype.restoreRoll = function(e) {
                var t = this._trackRoll
                  , i = t - this.rotation.z;
                Math.abs(i) >= .001 && (this.rotation.z += i / e,
                Math.abs(t - this.rotation.z) <= .001 && (this.rotation.z = t))
            }
            ,
            t.prototype.dispose = function() {
                this.inputs.clear(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "FlyCamera"
            }
            ,
            k([De()], t.prototype, "ellipsoid", void 0),
            k([De()], t.prototype, "ellipsoidOffset", void 0),
            k([Ce()], t.prototype, "checkCollisions", void 0),
            k([Ce()], t.prototype, "applyGravity", void 0),
            t
        }(da)
          , ya = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            t.prototype.addKeyboard = function() {
                return this.add(new Jo),
                this
            }
            ,
            t.prototype.addMouseWheel = function() {
                return this.add(new $o),
                this
            }
            ,
            t.prototype.addPointers = function() {
                return this.add(new ea),
                this
            }
            ,
            t.prototype.addVRDeviceOrientation = function() {
                return console.warn("DeviceOrientation support not yet implemented for FollowCamera."),
                this
            }
            ,
            t
        }(ko);
        Xe.AddNodeConstructor("FollowCamera", (function(e, t) {
            return function() {
                return new Ta(e,x.Zero(),t)
            }
        }
        )),
        Xe.AddNodeConstructor("ArcFollowCamera", (function(e, t) {
            return function() {
                return new Ea(e,0,0,1,null,t)
            }
        }
        ));
        var ba, Ta = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = null);
                var o = e.call(this, t, i, n) || this;
                return o.radius = 12,
                o.lowerRadiusLimit = null,
                o.upperRadiusLimit = null,
                o.rotationOffset = 0,
                o.lowerRotationOffsetLimit = null,
                o.upperRotationOffsetLimit = null,
                o.heightOffset = 4,
                o.lowerHeightOffsetLimit = null,
                o.upperHeightOffsetLimit = null,
                o.cameraAcceleration = .05,
                o.maxCameraSpeed = 20,
                o.lockedTarget = r,
                o.inputs = new ya(o),
                o.inputs.addKeyboard().addMouseWheel().addPointers(),
                o
            }
            return U(t, e),
            t.prototype._follow = function(e) {
                if (e) {
                    var t = I.Matrix[0];
                    e.absoluteRotationQuaternion.toRotationMatrix(t);
                    var i = Math.atan2(t.m[8], t.m[10])
                      , n = gi.ToRadians(this.rotationOffset) + i
                      , r = e.getAbsolutePosition()
                      , o = r.x + Math.sin(n) * this.radius
                      , a = r.z + Math.cos(n) * this.radius
                      , s = o - this.position.x
                      , l = r.y + this.heightOffset - this.position.y
                      , c = a - this.position.z
                      , u = s * this.cameraAcceleration * 2
                      , h = l * this.cameraAcceleration
                      , d = c * this.cameraAcceleration * 2;
                    (u > this.maxCameraSpeed || u < -this.maxCameraSpeed) && (u = u < 1 ? -this.maxCameraSpeed : this.maxCameraSpeed),
                    (h > this.maxCameraSpeed || h < -this.maxCameraSpeed) && (h = h < 1 ? -this.maxCameraSpeed : this.maxCameraSpeed),
                    (d > this.maxCameraSpeed || d < -this.maxCameraSpeed) && (d = d < 1 ? -this.maxCameraSpeed : this.maxCameraSpeed),
                    this.position = new x(this.position.x + u,this.position.y + h,this.position.z + d),
                    this.setTarget(r)
                }
            }
            ,
            t.prototype.attachControl = function(e, t) {
                t = gi.BackCompatCameraNoPreventDefault(arguments),
                this.inputs.attachElement(t),
                this._reset = function() {}
            }
            ,
            t.prototype.detachControl = function() {
                this.inputs.detachElement(),
                this._reset && this._reset()
            }
            ,
            t.prototype._checkInputs = function() {
                this.inputs.checkInputs(),
                this._checkLimits(),
                e.prototype._checkInputs.call(this),
                this.lockedTarget && this._follow(this.lockedTarget)
            }
            ,
            t.prototype._checkLimits = function() {
                null !== this.lowerRadiusLimit && this.radius < this.lowerRadiusLimit && (this.radius = this.lowerRadiusLimit),
                null !== this.upperRadiusLimit && this.radius > this.upperRadiusLimit && (this.radius = this.upperRadiusLimit),
                null !== this.lowerHeightOffsetLimit && this.heightOffset < this.lowerHeightOffsetLimit && (this.heightOffset = this.lowerHeightOffsetLimit),
                null !== this.upperHeightOffsetLimit && this.heightOffset > this.upperHeightOffsetLimit && (this.heightOffset = this.upperHeightOffsetLimit),
                null !== this.lowerRotationOffsetLimit && this.rotationOffset < this.lowerRotationOffsetLimit && (this.rotationOffset = this.lowerRotationOffsetLimit),
                null !== this.upperRotationOffsetLimit && this.rotationOffset > this.upperRotationOffsetLimit && (this.rotationOffset = this.upperRotationOffsetLimit)
            }
            ,
            t.prototype.getClassName = function() {
                return "FollowCamera"
            }
            ,
            k([Ce()], t.prototype, "radius", void 0),
            k([Ce()], t.prototype, "lowerRadiusLimit", void 0),
            k([Ce()], t.prototype, "upperRadiusLimit", void 0),
            k([Ce()], t.prototype, "rotationOffset", void 0),
            k([Ce()], t.prototype, "lowerRotationOffsetLimit", void 0),
            k([Ce()], t.prototype, "upperRotationOffsetLimit", void 0),
            k([Ce()], t.prototype, "heightOffset", void 0),
            k([Ce()], t.prototype, "lowerHeightOffsetLimit", void 0),
            k([Ce()], t.prototype, "upperHeightOffsetLimit", void 0),
            k([Ce()], t.prototype, "cameraAcceleration", void 0),
            k([Ce()], t.prototype, "maxCameraSpeed", void 0),
            k([Ne("lockedTargetId")], t.prototype, "lockedTarget", void 0),
            t
        }(da), Ea = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, x.Zero(), a) || this;
                return s.alpha = i,
                s.beta = n,
                s.radius = r,
                s._cartesianCoordinates = x.Zero(),
                s.setMeshTarget(o),
                s
            }
            return U(t, e),
            t.prototype.setMeshTarget = function(e) {
                this._meshTarget = e,
                this._follow()
            }
            ,
            t.prototype._follow = function() {
                if (this._meshTarget) {
                    this._cartesianCoordinates.x = this.radius * Math.cos(this.alpha) * Math.cos(this.beta),
                    this._cartesianCoordinates.y = this.radius * Math.sin(this.beta),
                    this._cartesianCoordinates.z = this.radius * Math.sin(this.alpha) * Math.cos(this.beta);
                    var e = this._meshTarget.getAbsolutePosition();
                    this.position = e.add(this._cartesianCoordinates),
                    this.setTarget(e)
                }
            }
            ,
            t.prototype._checkInputs = function() {
                e.prototype._checkInputs.call(this),
                this._follow()
            }
            ,
            t.prototype.getClassName = function() {
                return "ArcFollowCamera"
            }
            ,
            t
        }(da);
        !function(e) {
            e[e.VIVE = 0] = "VIVE",
            e[e.OCULUS = 1] = "OCULUS",
            e[e.WINDOWS = 2] = "WINDOWS",
            e[e.GEAR_VR = 3] = "GEAR_VR",
            e[e.DAYDREAM = 4] = "DAYDREAM",
            e[e.GENERIC = 5] = "GENERIC"
        }(ba || (ba = {}));
        var Sa, Aa, xa = function() {
            function e() {}
            return e.InitiateController = function(e) {
                for (var t = 0, i = this._ControllerFactories; t < i.length; t++) {
                    var n = i[t];
                    if (n.canCreate(e))
                        return n.create(e)
                }
                if (this._DefaultControllerFactory)
                    return this._DefaultControllerFactory(e);
                throw "The type of gamepad you are trying to load needs to be imported first or is not supported."
            }
            ,
            e._ControllerFactories = [],
            e._DefaultControllerFactory = null,
            e
        }(), Ra = function(e) {
            function t(t) {
                var i = e.call(this, t.id, t.index, t) || this;
                return i.isXR = !1,
                i._deviceRoomPosition = x.Zero(),
                i._deviceRoomRotationQuaternion = new C,
                i.devicePosition = x.Zero(),
                i.deviceRotationQuaternion = new C,
                i.deviceScaleFactor = 1,
                i._trackPosition = !0,
                i._maxRotationDistFromHeadset = Math.PI / 5,
                i._draggedRoomRotation = 0,
                i._leftHandSystemQuaternion = new C,
                i._deviceToWorld = P.Identity(),
                i._pointingPoseNode = null,
                i._workingMatrix = P.Identity(),
                i._meshAttachedObservable = new h,
                i.type = zo.POSE_ENABLED,
                i.controllerType = ba.GENERIC,
                i.position = x.Zero(),
                i.rotationQuaternion = new C,
                i._calculatedPosition = x.Zero(),
                i._calculatedRotation = new C,
                C.RotationYawPitchRollToRef(Math.PI, 0, 0, i._leftHandSystemQuaternion),
                i
            }
            return U(t, e),
            t.prototype._disableTrackPosition = function(e) {
                this._trackPosition && (this._calculatedPosition.copyFrom(e),
                this._trackPosition = !1)
            }
            ,
            t.prototype.update = function() {
                e.prototype.update.call(this),
                this._updatePoseAndMesh()
            }
            ,
            t.prototype._updatePoseAndMesh = function() {
                if (!this.isXR) {
                    var e = this.browserGamepad.pose;
                    if (this.updateFromDevice(e),
                    !this._trackPosition && E.LastCreatedScene && E.LastCreatedScene.activeCamera && E.LastCreatedScene.activeCamera.devicePosition) {
                        var t = E.LastCreatedScene.activeCamera;
                        if (t._computeDevicePosition(),
                        this._deviceToWorld.setTranslation(t.devicePosition),
                        t.deviceRotationQuaternion) {
                            t._deviceRoomRotationQuaternion.toEulerAnglesToRef(I.Vector3[0]);
                            var i = Math.atan2(Math.sin(I.Vector3[0].y - this._draggedRoomRotation), Math.cos(I.Vector3[0].y - this._draggedRoomRotation));
                            if (Math.abs(i) > this._maxRotationDistFromHeadset) {
                                var n = i - (i < 0 ? -this._maxRotationDistFromHeadset : this._maxRotationDistFromHeadset);
                                this._draggedRoomRotation += n;
                                var r = Math.sin(-n)
                                  , o = Math.cos(-n);
                                this._calculatedPosition.x = this._calculatedPosition.x * o - this._calculatedPosition.z * r,
                                this._calculatedPosition.z = this._calculatedPosition.x * r + this._calculatedPosition.z * o
                            }
                        }
                    }
                    x.TransformCoordinatesToRef(this._calculatedPosition, this._deviceToWorld, this.devicePosition),
                    this._deviceToWorld.getRotationMatrixToRef(this._workingMatrix),
                    C.FromRotationMatrixToRef(this._workingMatrix, this.deviceRotationQuaternion),
                    this.deviceRotationQuaternion.multiplyInPlace(this._calculatedRotation),
                    this._mesh && (this._mesh.position.copyFrom(this.devicePosition),
                    this._mesh.rotationQuaternion && this._mesh.rotationQuaternion.copyFrom(this.deviceRotationQuaternion))
                }
            }
            ,
            t.prototype.updateFromDevice = function(e) {
                if (!this.isXR && e) {
                    this.rawPose = e,
                    e.position && (this._deviceRoomPosition.copyFromFloats(e.position[0], e.position[1], -e.position[2]),
                    this._mesh && this._mesh.getScene().useRightHandedSystem && (this._deviceRoomPosition.z *= -1),
                    this._trackPosition && this._deviceRoomPosition.scaleToRef(this.deviceScaleFactor, this._calculatedPosition),
                    this._calculatedPosition.addInPlace(this.position));
                    var t = this.rawPose;
                    e.orientation && t.orientation && 4 === t.orientation.length && (this._deviceRoomRotationQuaternion.copyFromFloats(t.orientation[0], t.orientation[1], -t.orientation[2], -t.orientation[3]),
                    this._mesh && (this._mesh.getScene().useRightHandedSystem ? (this._deviceRoomRotationQuaternion.z *= -1,
                    this._deviceRoomRotationQuaternion.w *= -1) : this._deviceRoomRotationQuaternion.multiplyToRef(this._leftHandSystemQuaternion, this._deviceRoomRotationQuaternion)),
                    this._deviceRoomRotationQuaternion.multiplyToRef(this.rotationQuaternion, this._calculatedRotation))
                }
            }
            ,
            t.prototype.attachToMesh = function(e) {
                if (this._mesh && (this._mesh.parent = null),
                this._mesh = e,
                this._poseControlledCamera && (this._mesh.parent = this._poseControlledCamera),
                this._mesh.rotationQuaternion || (this._mesh.rotationQuaternion = new C),
                !this.isXR && (this._updatePoseAndMesh(),
                this._pointingPoseNode)) {
                    for (var t = [], i = this._pointingPoseNode; i.parent; )
                        t.push(i.parent),
                        i = i.parent;
                    t.reverse().forEach((function(e) {
                        e.computeWorldMatrix(!0)
                    }
                    ))
                }
                this._meshAttachedObservable.notifyObservers(e)
            }
            ,
            t.prototype.attachToPoseControlledCamera = function(e) {
                this._poseControlledCamera = e,
                this._mesh && (this._mesh.parent = this._poseControlledCamera)
            }
            ,
            t.prototype.dispose = function() {
                this._mesh && this._mesh.dispose(),
                this._mesh = null,
                e.prototype.dispose.call(this)
            }
            ,
            Object.defineProperty(t.prototype, "mesh", {
                get: function() {
                    return this._mesh
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getForwardRay = function(e) {
                if (void 0 === e && (e = 100),
                !this.mesh)
                    return new _o(x.Zero(),new x(0,0,1),e);
                var t = this._pointingPoseNode ? this._pointingPoseNode.getWorldMatrix() : this.mesh.getWorldMatrix()
                  , i = t.getTranslation()
                  , n = new x(0,0,-1)
                  , r = x.TransformNormal(n, t)
                  , o = x.Normalize(r);
                return new _o(i,o,e)
            }
            ,
            t.POINTING_POSE = "POINTING_POSE",
            t
        }(zo);
        !function(e) {
            e[e.A = 0] = "A",
            e[e.B = 1] = "B",
            e[e.X = 2] = "X",
            e[e.Y = 3] = "Y",
            e[e.LB = 4] = "LB",
            e[e.RB = 5] = "RB",
            e[e.Back = 8] = "Back",
            e[e.Start = 9] = "Start",
            e[e.LeftStick = 10] = "LeftStick",
            e[e.RightStick = 11] = "RightStick"
        }(Sa || (Sa = {})),
        function(e) {
            e[e.Up = 12] = "Up",
            e[e.Down = 13] = "Down",
            e[e.Left = 14] = "Left",
            e[e.Right = 15] = "Right"
        }(Aa || (Aa = {}));
        var Ca, Pa, Ma = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = !1);
                var o = e.call(this, t, i, n, 0, 1, 2, 3) || this;
                return o._leftTrigger = 0,
                o._rightTrigger = 0,
                o.onButtonDownObservable = new h,
                o.onButtonUpObservable = new h,
                o.onPadDownObservable = new h,
                o.onPadUpObservable = new h,
                o._buttonA = 0,
                o._buttonB = 0,
                o._buttonX = 0,
                o._buttonY = 0,
                o._buttonBack = 0,
                o._buttonStart = 0,
                o._buttonLB = 0,
                o._buttonRB = 0,
                o._buttonLeftStick = 0,
                o._buttonRightStick = 0,
                o._dPadUp = 0,
                o._dPadDown = 0,
                o._dPadLeft = 0,
                o._dPadRight = 0,
                o._isXboxOnePad = !1,
                o.type = zo.XBOX,
                o._isXboxOnePad = r,
                o
            }
            return U(t, e),
            t.prototype.onlefttriggerchanged = function(e) {
                this._onlefttriggerchanged = e
            }
            ,
            t.prototype.onrighttriggerchanged = function(e) {
                this._onrighttriggerchanged = e
            }
            ,
            Object.defineProperty(t.prototype, "leftTrigger", {
                get: function() {
                    return this._leftTrigger
                },
                set: function(e) {
                    this._onlefttriggerchanged && this._leftTrigger !== e && this._onlefttriggerchanged(e),
                    this._leftTrigger = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rightTrigger", {
                get: function() {
                    return this._rightTrigger
                },
                set: function(e) {
                    this._onrighttriggerchanged && this._rightTrigger !== e && this._onrighttriggerchanged(e),
                    this._rightTrigger = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.onbuttondown = function(e) {
                this._onbuttondown = e
            }
            ,
            t.prototype.onbuttonup = function(e) {
                this._onbuttonup = e
            }
            ,
            t.prototype.ondpaddown = function(e) {
                this._ondpaddown = e
            }
            ,
            t.prototype.ondpadup = function(e) {
                this._ondpadup = e
            }
            ,
            t.prototype._setButtonValue = function(e, t, i) {
                return e !== t && (1 === e && (this._onbuttondown && this._onbuttondown(i),
                this.onButtonDownObservable.notifyObservers(i)),
                0 === e && (this._onbuttonup && this._onbuttonup(i),
                this.onButtonUpObservable.notifyObservers(i))),
                e
            }
            ,
            t.prototype._setDPadValue = function(e, t, i) {
                return e !== t && (1 === e && (this._ondpaddown && this._ondpaddown(i),
                this.onPadDownObservable.notifyObservers(i)),
                0 === e && (this._ondpadup && this._ondpadup(i),
                this.onPadUpObservable.notifyObservers(i))),
                e
            }
            ,
            Object.defineProperty(t.prototype, "buttonA", {
                get: function() {
                    return this._buttonA
                },
                set: function(e) {
                    this._buttonA = this._setButtonValue(e, this._buttonA, Sa.A)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonB", {
                get: function() {
                    return this._buttonB
                },
                set: function(e) {
                    this._buttonB = this._setButtonValue(e, this._buttonB, Sa.B)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonX", {
                get: function() {
                    return this._buttonX
                },
                set: function(e) {
                    this._buttonX = this._setButtonValue(e, this._buttonX, Sa.X)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonY", {
                get: function() {
                    return this._buttonY
                },
                set: function(e) {
                    this._buttonY = this._setButtonValue(e, this._buttonY, Sa.Y)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonStart", {
                get: function() {
                    return this._buttonStart
                },
                set: function(e) {
                    this._buttonStart = this._setButtonValue(e, this._buttonStart, Sa.Start)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonBack", {
                get: function() {
                    return this._buttonBack
                },
                set: function(e) {
                    this._buttonBack = this._setButtonValue(e, this._buttonBack, Sa.Back)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonLB", {
                get: function() {
                    return this._buttonLB
                },
                set: function(e) {
                    this._buttonLB = this._setButtonValue(e, this._buttonLB, Sa.LB)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonRB", {
                get: function() {
                    return this._buttonRB
                },
                set: function(e) {
                    this._buttonRB = this._setButtonValue(e, this._buttonRB, Sa.RB)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonLeftStick", {
                get: function() {
                    return this._buttonLeftStick
                },
                set: function(e) {
                    this._buttonLeftStick = this._setButtonValue(e, this._buttonLeftStick, Sa.LeftStick)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonRightStick", {
                get: function() {
                    return this._buttonRightStick
                },
                set: function(e) {
                    this._buttonRightStick = this._setButtonValue(e, this._buttonRightStick, Sa.RightStick)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadUp", {
                get: function() {
                    return this._dPadUp
                },
                set: function(e) {
                    this._dPadUp = this._setDPadValue(e, this._dPadUp, Aa.Up)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadDown", {
                get: function() {
                    return this._dPadDown
                },
                set: function(e) {
                    this._dPadDown = this._setDPadValue(e, this._dPadDown, Aa.Down)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadLeft", {
                get: function() {
                    return this._dPadLeft
                },
                set: function(e) {
                    this._dPadLeft = this._setDPadValue(e, this._dPadLeft, Aa.Left)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadRight", {
                get: function() {
                    return this._dPadRight
                },
                set: function(e) {
                    this._dPadRight = this._setDPadValue(e, this._dPadRight, Aa.Right)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.update = function() {
                e.prototype.update.call(this),
                this._isXboxOnePad,
                this.buttonA = this.browserGamepad.buttons[0].value,
                this.buttonB = this.browserGamepad.buttons[1].value,
                this.buttonX = this.browserGamepad.buttons[2].value,
                this.buttonY = this.browserGamepad.buttons[3].value,
                this.buttonLB = this.browserGamepad.buttons[4].value,
                this.buttonRB = this.browserGamepad.buttons[5].value,
                this.leftTrigger = this.browserGamepad.buttons[6].value,
                this.rightTrigger = this.browserGamepad.buttons[7].value,
                this.buttonBack = this.browserGamepad.buttons[8].value,
                this.buttonStart = this.browserGamepad.buttons[9].value,
                this.buttonLeftStick = this.browserGamepad.buttons[10].value,
                this.buttonRightStick = this.browserGamepad.buttons[11].value,
                this.dPadUp = this.browserGamepad.buttons[12].value,
                this.dPadDown = this.browserGamepad.buttons[13].value,
                this.dPadLeft = this.browserGamepad.buttons[14].value,
                this.dPadRight = this.browserGamepad.buttons[15].value
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onButtonDownObservable.clear(),
                this.onButtonUpObservable.clear(),
                this.onPadDownObservable.clear(),
                this.onPadUpObservable.clear()
            }
            ,
            t
        }(zo);
        !function(e) {
            e[e.Cross = 0] = "Cross",
            e[e.Circle = 1] = "Circle",
            e[e.Square = 2] = "Square",
            e[e.Triangle = 3] = "Triangle",
            e[e.L1 = 4] = "L1",
            e[e.R1 = 5] = "R1",
            e[e.Share = 8] = "Share",
            e[e.Options = 9] = "Options",
            e[e.LeftStick = 10] = "LeftStick",
            e[e.RightStick = 11] = "RightStick"
        }(Ca || (Ca = {})),
        function(e) {
            e[e.Up = 12] = "Up",
            e[e.Down = 13] = "Down",
            e[e.Left = 14] = "Left",
            e[e.Right = 15] = "Right"
        }(Pa || (Pa = {}));
        var Ia = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t.replace("STANDARD GAMEPAD", "SONY PLAYSTATION DUALSHOCK"), i, n, 0, 1, 2, 3) || this;
                return r._leftTrigger = 0,
                r._rightTrigger = 0,
                r.onButtonDownObservable = new h,
                r.onButtonUpObservable = new h,
                r.onPadDownObservable = new h,
                r.onPadUpObservable = new h,
                r._buttonCross = 0,
                r._buttonCircle = 0,
                r._buttonSquare = 0,
                r._buttonTriangle = 0,
                r._buttonShare = 0,
                r._buttonOptions = 0,
                r._buttonL1 = 0,
                r._buttonR1 = 0,
                r._buttonLeftStick = 0,
                r._buttonRightStick = 0,
                r._dPadUp = 0,
                r._dPadDown = 0,
                r._dPadLeft = 0,
                r._dPadRight = 0,
                r.type = zo.DUALSHOCK,
                r
            }
            return U(t, e),
            t.prototype.onlefttriggerchanged = function(e) {
                this._onlefttriggerchanged = e
            }
            ,
            t.prototype.onrighttriggerchanged = function(e) {
                this._onrighttriggerchanged = e
            }
            ,
            Object.defineProperty(t.prototype, "leftTrigger", {
                get: function() {
                    return this._leftTrigger
                },
                set: function(e) {
                    this._onlefttriggerchanged && this._leftTrigger !== e && this._onlefttriggerchanged(e),
                    this._leftTrigger = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rightTrigger", {
                get: function() {
                    return this._rightTrigger
                },
                set: function(e) {
                    this._onrighttriggerchanged && this._rightTrigger !== e && this._onrighttriggerchanged(e),
                    this._rightTrigger = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.onbuttondown = function(e) {
                this._onbuttondown = e
            }
            ,
            t.prototype.onbuttonup = function(e) {
                this._onbuttonup = e
            }
            ,
            t.prototype.ondpaddown = function(e) {
                this._ondpaddown = e
            }
            ,
            t.prototype.ondpadup = function(e) {
                this._ondpadup = e
            }
            ,
            t.prototype._setButtonValue = function(e, t, i) {
                return e !== t && (1 === e && (this._onbuttondown && this._onbuttondown(i),
                this.onButtonDownObservable.notifyObservers(i)),
                0 === e && (this._onbuttonup && this._onbuttonup(i),
                this.onButtonUpObservable.notifyObservers(i))),
                e
            }
            ,
            t.prototype._setDPadValue = function(e, t, i) {
                return e !== t && (1 === e && (this._ondpaddown && this._ondpaddown(i),
                this.onPadDownObservable.notifyObservers(i)),
                0 === e && (this._ondpadup && this._ondpadup(i),
                this.onPadUpObservable.notifyObservers(i))),
                e
            }
            ,
            Object.defineProperty(t.prototype, "buttonCross", {
                get: function() {
                    return this._buttonCross
                },
                set: function(e) {
                    this._buttonCross = this._setButtonValue(e, this._buttonCross, Ca.Cross)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonCircle", {
                get: function() {
                    return this._buttonCircle
                },
                set: function(e) {
                    this._buttonCircle = this._setButtonValue(e, this._buttonCircle, Ca.Circle)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonSquare", {
                get: function() {
                    return this._buttonSquare
                },
                set: function(e) {
                    this._buttonSquare = this._setButtonValue(e, this._buttonSquare, Ca.Square)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonTriangle", {
                get: function() {
                    return this._buttonTriangle
                },
                set: function(e) {
                    this._buttonTriangle = this._setButtonValue(e, this._buttonTriangle, Ca.Triangle)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonOptions", {
                get: function() {
                    return this._buttonOptions
                },
                set: function(e) {
                    this._buttonOptions = this._setButtonValue(e, this._buttonOptions, Ca.Options)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonShare", {
                get: function() {
                    return this._buttonShare
                },
                set: function(e) {
                    this._buttonShare = this._setButtonValue(e, this._buttonShare, Ca.Share)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonL1", {
                get: function() {
                    return this._buttonL1
                },
                set: function(e) {
                    this._buttonL1 = this._setButtonValue(e, this._buttonL1, Ca.L1)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonR1", {
                get: function() {
                    return this._buttonR1
                },
                set: function(e) {
                    this._buttonR1 = this._setButtonValue(e, this._buttonR1, Ca.R1)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonLeftStick", {
                get: function() {
                    return this._buttonLeftStick
                },
                set: function(e) {
                    this._buttonLeftStick = this._setButtonValue(e, this._buttonLeftStick, Ca.LeftStick)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buttonRightStick", {
                get: function() {
                    return this._buttonRightStick
                },
                set: function(e) {
                    this._buttonRightStick = this._setButtonValue(e, this._buttonRightStick, Ca.RightStick)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadUp", {
                get: function() {
                    return this._dPadUp
                },
                set: function(e) {
                    this._dPadUp = this._setDPadValue(e, this._dPadUp, Pa.Up)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadDown", {
                get: function() {
                    return this._dPadDown
                },
                set: function(e) {
                    this._dPadDown = this._setDPadValue(e, this._dPadDown, Pa.Down)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadLeft", {
                get: function() {
                    return this._dPadLeft
                },
                set: function(e) {
                    this._dPadLeft = this._setDPadValue(e, this._dPadLeft, Pa.Left)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dPadRight", {
                get: function() {
                    return this._dPadRight
                },
                set: function(e) {
                    this._dPadRight = this._setDPadValue(e, this._dPadRight, Pa.Right)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.update = function() {
                e.prototype.update.call(this),
                this.buttonCross = this.browserGamepad.buttons[0].value,
                this.buttonCircle = this.browserGamepad.buttons[1].value,
                this.buttonSquare = this.browserGamepad.buttons[2].value,
                this.buttonTriangle = this.browserGamepad.buttons[3].value,
                this.buttonL1 = this.browserGamepad.buttons[4].value,
                this.buttonR1 = this.browserGamepad.buttons[5].value,
                this.leftTrigger = this.browserGamepad.buttons[6].value,
                this.rightTrigger = this.browserGamepad.buttons[7].value,
                this.buttonShare = this.browserGamepad.buttons[8].value,
                this.buttonOptions = this.browserGamepad.buttons[9].value,
                this.buttonLeftStick = this.browserGamepad.buttons[10].value,
                this.buttonRightStick = this.browserGamepad.buttons[11].value,
                this.dPadUp = this.browserGamepad.buttons[12].value,
                this.dPadDown = this.browserGamepad.buttons[13].value,
                this.dPadLeft = this.browserGamepad.buttons[14].value,
                this.dPadRight = this.browserGamepad.buttons[15].value
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onButtonDownObservable.clear(),
                this.onButtonUpObservable.clear(),
                this.onPadDownObservable.clear(),
                this.onPadUpObservable.clear()
            }
            ,
            t
        }(zo)
          , Oa = function() {
            function e(e) {
                var t = this;
                if (this._scene = e,
                this._babylonGamepads = [],
                this._oneGamepadConnected = !1,
                this._isMonitoring = !1,
                this.onGamepadDisconnectedObservable = new h,
                nt() ? (this._gamepadEventSupported = "GamepadEvent"in window,
                this._gamepadSupport = navigator && (navigator.getGamepads || navigator.webkitGetGamepads || navigator.msGetGamepads || navigator.webkitGamepads)) : this._gamepadEventSupported = !1,
                this.onGamepadConnectedObservable = new h((function(e) {
                    for (var i in t._babylonGamepads) {
                        var n = t._babylonGamepads[i];
                        n && n._isConnected && t.onGamepadConnectedObservable.notifyObserver(e, n)
                    }
                }
                )),
                this._onGamepadConnectedEvent = function(e) {
                    var i, n = e.gamepad;
                    n.index in t._babylonGamepads && t._babylonGamepads[n.index].isConnected || (t._babylonGamepads[n.index] ? ((i = t._babylonGamepads[n.index]).browserGamepad = n,
                    i._isConnected = !0) : i = t._addNewGamepad(n),
                    t.onGamepadConnectedObservable.notifyObservers(i),
                    t._startMonitoringGamepads())
                }
                ,
                this._onGamepadDisconnectedEvent = function(e) {
                    var i = e.gamepad;
                    for (var n in t._babylonGamepads)
                        if (t._babylonGamepads[n].index === i.index) {
                            var r = t._babylonGamepads[n];
                            r._isConnected = !1,
                            t.onGamepadDisconnectedObservable.notifyObservers(r),
                            r.dispose && r.dispose();
                            break
                        }
                }
                ,
                this._gamepadSupport)
                    if (this._updateGamepadObjects(),
                    this._babylonGamepads.length && this._startMonitoringGamepads(),
                    this._gamepadEventSupported) {
                        var i = this._scene ? this._scene.getEngine().getHostWindow() : window;
                        i && (i.addEventListener("gamepadconnected", this._onGamepadConnectedEvent, !1),
                        i.addEventListener("gamepaddisconnected", this._onGamepadDisconnectedEvent, !1))
                    } else
                        this._startMonitoringGamepads()
            }
            return Object.defineProperty(e.prototype, "gamepads", {
                get: function() {
                    return this._babylonGamepads
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getGamepadByType = function(e) {
                void 0 === e && (e = zo.XBOX);
                for (var t = 0, i = this._babylonGamepads; t < i.length; t++) {
                    var n = i[t];
                    if (n && n.type === e)
                        return n
                }
                return null
            }
            ,
            e.prototype.dispose = function() {
                this._gamepadEventSupported && (this._onGamepadConnectedEvent && window.removeEventListener("gamepadconnected", this._onGamepadConnectedEvent),
                this._onGamepadDisconnectedEvent && window.removeEventListener("gamepaddisconnected", this._onGamepadDisconnectedEvent),
                this._onGamepadConnectedEvent = null,
                this._onGamepadDisconnectedEvent = null),
                this._babylonGamepads.forEach((function(e) {
                    e.dispose()
                }
                )),
                this.onGamepadConnectedObservable.clear(),
                this.onGamepadDisconnectedObservable.clear(),
                this._oneGamepadConnected = !1,
                this._stopMonitoringGamepads(),
                this._babylonGamepads = []
            }
            ,
            e.prototype._addNewGamepad = function(e) {
                var t;
                this._oneGamepadConnected || (this._oneGamepadConnected = !0);
                var i = -1 !== e.id.search("054c") && -1 === e.id.search("0ce6")
                  , n = -1 !== e.id.search("Xbox One");
                return t = n || -1 !== e.id.search("Xbox 360") || -1 !== e.id.search("xinput") || -1 !== e.id.search("045e") && -1 === e.id.search("Surface Dock") ? new Ma(e.id,e.index,e,n) : i ? new Ia(e.id,e.index,e) : e.pose ? xa.InitiateController(e) : new Wo(e.id,e.index,e),
                this._babylonGamepads[t.index] = t,
                t
            }
            ,
            e.prototype._startMonitoringGamepads = function() {
                this._isMonitoring || (this._isMonitoring = !0,
                this._scene || this._checkGamepadsStatus())
            }
            ,
            e.prototype._stopMonitoringGamepads = function() {
                this._isMonitoring = !1
            }
            ,
            e.prototype._checkGamepadsStatus = function() {
                var e = this;
                for (var t in this._updateGamepadObjects(),
                this._babylonGamepads) {
                    var i = this._babylonGamepads[t];
                    if (i && i.isConnected)
                        try {
                            i.update()
                        } catch (e) {
                            -1 === this._loggedErrors.indexOf(i.index) && (gi.Warn("Error updating gamepad ".concat(i.id)),
                            this._loggedErrors.push(i.index))
                        }
                }
                this._isMonitoring && !this._scene && vr.QueueNewFrame((function() {
                    e._checkGamepadsStatus()
                }
                ))
            }
            ,
            e.prototype._updateGamepadObjects = function() {
                for (var e = navigator.getGamepads ? navigator.getGamepads() : navigator.webkitGetGamepads ? navigator.webkitGetGamepads() : [], t = 0; t < e.length; t++) {
                    var i = e[t];
                    if (i)
                        if (this._babylonGamepads[i.index])
                            this._babylonGamepads[t].browserGamepad = i,
                            this._babylonGamepads[t].isConnected || (this._babylonGamepads[t]._isConnected = !0,
                            this.onGamepadConnectedObservable.notifyObservers(this._babylonGamepads[t]));
                        else {
                            var n = this._addNewGamepad(i);
                            this.onGamepadConnectedObservable.notifyObservers(n)
                        }
                }
            }
            ,
            e
        }();
        Object.defineProperty(mn.prototype, "gamepadManager", {
            get: function() {
                if (!this._gamepadManager) {
                    this._gamepadManager = new Oa(this);
                    var e = this._getComponent(Wi.NAME_GAMEPAD);
                    e || (e = new Da(this),
                    this._addComponent(e))
                }
                return this._gamepadManager
            },
            enumerable: !0,
            configurable: !0
        }),
        aa.prototype.addGamepad = function() {
            return this.add(new ca),
            this
        }
        ,
        Ko.prototype.addGamepad = function() {
            return this.add(new Ho),
            this
        }
        ;
        var Da = function() {
            function e(e) {
                this.name = Wi.NAME_GAMEPAD,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._beforeCameraUpdateStage.registerStep(Wi.STEP_BEFORECAMERAUPDATE_GAMEPAD, this, this._beforeCameraUpdate)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                var e = this.scene._gamepadManager;
                e && (e.dispose(),
                this.scene._gamepadManager = null)
            }
            ,
            e.prototype._beforeCameraUpdate = function() {
                var e = this.scene._gamepadManager;
                e && e._isMonitoring && e._checkGamepadsStatus()
            }
            ,
            e
        }();
        Xe.AddNodeConstructor("FreeCamera", (function(e, t) {
            return function() {
                return new Na(e,x.Zero(),t)
            }
        }
        ));
        var Na = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r.inputs.addGamepad(),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "gamepadAngularSensibility", {
                get: function() {
                    var e = this.inputs.attached.gamepad;
                    return e ? e.gamepadAngularSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.gamepad;
                    t && (t.gamepadAngularSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "gamepadMoveSensibility", {
                get: function() {
                    var e = this.inputs.attached.gamepad;
                    return e ? e.gamepadMoveSensibility : 0
                },
                set: function(e) {
                    var t = this.inputs.attached.gamepad;
                    t && (t.gamepadMoveSensibility = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "UniversalCamera"
            }
            ,
            t
        }(fa);
        Rr._CreateDefaultParsedCamera = function(e, t) {
            return new Na(e,x.Zero(),t)
        }
        ,
        Xe.AddNodeConstructor("GamepadCamera", (function(e, t) {
            return function() {
                return new La(e,x.Zero(),t)
            }
        }
        ));
        var La = function(e) {
            function t(t, i, n) {
                return e.call(this, t, i, n) || this
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "GamepadCamera"
            }
            ,
            t
        }(Na);
        Pt.ShadersStore.postprocessVertexShader = "attribute vec2 position;\nuniform vec2 scale;\nvarying vec2 vUV;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvUV=(position*madd+madd)*scale;\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var Fa = function() {
            function e(e, t, i, n) {
                this._textures = null,
                this._attachments = null,
                this._generateStencilBuffer = !1,
                this._generateDepthBuffer = !1,
                this._depthStencilTextureWithStencil = !1,
                this._isMulti = e,
                this._isCube = t,
                this._size = i,
                this._engine = n,
                this._depthStencilTexture = null
            }
            return Object.defineProperty(e.prototype, "depthStencilTexture", {
                get: function() {
                    return this._depthStencilTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthStencilTextureWithStencil", {
                get: function() {
                    return this._depthStencilTextureWithStencil
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isCube", {
                get: function() {
                    return this._isCube
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isMulti", {
                get: function() {
                    return this._isMulti
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "is2DArray", {
                get: function() {
                    return this.layers > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "size", {
                get: function() {
                    return this.width
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "width", {
                get: function() {
                    return this._size.width || this._size
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "height", {
                get: function() {
                    return this._size.height || this._size
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "layers", {
                get: function() {
                    return this._size.layers || 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "texture", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this._textures) || void 0 === e ? void 0 : e[0]) && void 0 !== t ? t : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "textures", {
                get: function() {
                    return this._textures
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "samples", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this.texture) || void 0 === e ? void 0 : e.samples) && void 0 !== t ? t : 1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setSamples = function(e, t, i) {
                return void 0 === t && (t = !0),
                void 0 === i && (i = !1),
                this.samples !== e || i ? this._isMulti ? this._engine.updateMultipleRenderTargetTextureSampleCount(this, e, t) : this._engine.updateRenderTargetTextureSampleCount(this, e) : e
            }
            ,
            e.prototype.setTextures = function(e) {
                Array.isArray(e) ? this._textures = e : this._textures = e ? [e] : null
            }
            ,
            e.prototype.setTexture = function(e, t, i) {
                void 0 === t && (t = 0),
                void 0 === i && (i = !0),
                this._textures || (this._textures = []),
                this._textures[t] && i && this._textures[t].dispose(),
                this._textures[t] = e
            }
            ,
            e.prototype.createDepthStencilTexture = function(e, t, i, n, r) {
                var o;
                return void 0 === e && (e = 0),
                void 0 === t && (t = !0),
                void 0 === i && (i = !1),
                void 0 === n && (n = 1),
                void 0 === r && (r = a.TEXTUREFORMAT_DEPTH32_FLOAT),
                null === (o = this._depthStencilTexture) || void 0 === o || o.dispose(),
                this._depthStencilTextureWithStencil = i,
                this._depthStencilTexture = this._engine.createDepthStencilTexture(this._size, {
                    bilinearFiltering: t,
                    comparisonFunction: e,
                    generateStencil: i,
                    isCube: this._isCube,
                    samples: n,
                    depthTextureFormat: r
                }, this),
                this._depthStencilTexture
            }
            ,
            e.prototype._shareDepth = function(e) {
                this._depthStencilTexture && (e._depthStencilTexture && e._depthStencilTexture.dispose(),
                e._depthStencilTexture = this._depthStencilTexture,
                this._depthStencilTexture.incrementReferences())
            }
            ,
            e.prototype._swapAndDie = function(e) {
                this.texture && this.texture._swapAndDie(e),
                this._textures = null,
                this.dispose(!0)
            }
            ,
            e.prototype._cloneRenderTargetWrapper = function() {
                var e, t, i, n, r, o, a = null;
                if (this._isMulti) {
                    var s = this.textures;
                    if (s && s.length > 0) {
                        var l = !1
                          , c = s.length
                          , u = s[s.length - 1]._source;
                        u !== At.Depth && u !== At.DepthStencil || (l = !0,
                        c--);
                        for (var h = [], d = [], p = 0; p < c; ++p) {
                            var f = s[p];
                            h.push(f.samplingMode),
                            d.push(f.type)
                        }
                        var _ = {
                            samplingModes: h,
                            generateMipMaps: s[0].generateMipMaps,
                            generateDepthBuffer: this._generateDepthBuffer,
                            generateStencilBuffer: this._generateStencilBuffer,
                            generateDepthTexture: l,
                            types: d,
                            textureCount: c
                        }
                          , m = {
                            width: this.width,
                            height: this.height
                        };
                        a = this._engine.createMultipleRenderTarget(m, _)
                    }
                } else {
                    var g = {};
                    g.generateDepthBuffer = this._generateDepthBuffer,
                    g.generateMipMaps = null !== (t = null === (e = this.texture) || void 0 === e ? void 0 : e.generateMipMaps) && void 0 !== t && t,
                    g.generateStencilBuffer = this._generateStencilBuffer,
                    g.samplingMode = null === (i = this.texture) || void 0 === i ? void 0 : i.samplingMode,
                    g.type = null === (n = this.texture) || void 0 === n ? void 0 : n.type,
                    g.format = null === (r = this.texture) || void 0 === r ? void 0 : r.format,
                    this.isCube ? a = this._engine.createRenderTargetCubeTexture(this.width, g) : (m = {
                        width: this.width,
                        height: this.height,
                        layers: this.is2DArray ? null === (o = this.texture) || void 0 === o ? void 0 : o.depth : void 0
                    },
                    a = this._engine.createRenderTargetTexture(m, g)),
                    a.texture.isReady = !0
                }
                return a
            }
            ,
            e.prototype._swapRenderTargetWrapper = function(e) {
                if (this._textures && e._textures)
                    for (var t = 0; t < this._textures.length; ++t)
                        this._textures[t]._swapAndDie(e._textures[t], !1),
                        e._textures[t].isReady = !0;
                this._depthStencilTexture && e._depthStencilTexture && (this._depthStencilTexture._swapAndDie(e._depthStencilTexture),
                e._depthStencilTexture.isReady = !0),
                this._textures = null,
                this._depthStencilTexture = null
            }
            ,
            e.prototype._rebuild = function() {
                var e = this._cloneRenderTargetWrapper();
                if (e) {
                    if (this._depthStencilTexture) {
                        var t = this._depthStencilTexture.samplingMode
                          , i = t === a.TEXTURE_BILINEAR_SAMPLINGMODE || t === a.TEXTURE_TRILINEAR_SAMPLINGMODE || t === a.TEXTURE_LINEAR_LINEAR_MIPNEAREST;
                        e.createDepthStencilTexture(this._depthStencilTexture._comparisonFunction, i, this._depthStencilTextureWithStencil, this._depthStencilTexture.samples)
                    }
                    this.samples > 1 && e.setSamples(this.samples),
                    e._swapRenderTargetWrapper(this),
                    e.dispose()
                }
            }
            ,
            e.prototype.releaseTextures = function() {
                var e, t;
                if (this._textures)
                    for (var i = 0; null !== (t = i < (null === (e = this._textures) || void 0 === e ? void 0 : e.length)) && void 0 !== t && t; ++i)
                        this._textures[i].dispose();
                this._textures = null
            }
            ,
            e.prototype.dispose = function(e) {
                var t;
                void 0 === e && (e = !1),
                e || (null === (t = this._depthStencilTexture) || void 0 === t || t.dispose(),
                this._depthStencilTexture = null,
                this.releaseTextures()),
                this._engine._releaseRenderTargetWrapper(this)
            }
            ,
            e
        }()
          , wa = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, i, n, r) || this;
                return a._framebuffer = null,
                a._depthStencilBuffer = null,
                a._MSAAFramebuffer = null,
                a._colorTextureArray = null,
                a._depthStencilTextureArray = null,
                a._context = o,
                a
            }
            return U(t, e),
            t.prototype._cloneRenderTargetWrapper = function() {
                var t = null;
                return this._colorTextureArray && this._depthStencilTextureArray ? (t = this._engine.createMultiviewRenderTargetTexture(this.width, this.height)).texture.isReady = !0 : t = e.prototype._cloneRenderTargetWrapper.call(this),
                t
            }
            ,
            t.prototype._swapRenderTargetWrapper = function(t) {
                e.prototype._swapRenderTargetWrapper.call(this, t),
                t._framebuffer = this._framebuffer,
                t._depthStencilBuffer = this._depthStencilBuffer,
                t._MSAAFramebuffer = this._MSAAFramebuffer,
                t._colorTextureArray = this._colorTextureArray,
                t._depthStencilTextureArray = this._depthStencilTextureArray,
                this._framebuffer = this._depthStencilBuffer = this._MSAAFramebuffer = this._colorTextureArray = this._depthStencilTextureArray = null
            }
            ,
            t.prototype._shareDepth = function(t) {
                e.prototype._shareDepth.call(this, t);
                var i = this._context
                  , n = this._depthStencilBuffer
                  , r = t._framebuffer;
                t._depthStencilBuffer && i.deleteRenderbuffer(t._depthStencilBuffer),
                t._depthStencilBuffer = this._depthStencilBuffer,
                this._engine._bindUnboundFramebuffer(r),
                i.framebufferRenderbuffer(i.FRAMEBUFFER, i.DEPTH_ATTACHMENT, i.RENDERBUFFER, n),
                this._engine._bindUnboundFramebuffer(null)
            }
            ,
            t.prototype._bindTextureRenderTarget = function(e, t, i, n) {
                if (void 0 === t && (t = 0),
                void 0 === i && (i = -1),
                void 0 === n && (n = 0),
                e._hardwareTexture) {
                    var r = this._context
                      , o = this._framebuffer
                      , a = this._engine._currentFramebuffer;
                    this._engine._bindUnboundFramebuffer(o);
                    var s = r[this._engine.webGLVersion > 1 ? "COLOR_ATTACHMENT" + t : "COLOR_ATTACHMENT" + t + "_WEBGL"]
                      , l = -1 !== i ? r.TEXTURE_CUBE_MAP_POSITIVE_X + i : r.TEXTURE_2D;
                    r.framebufferTexture2D(r.FRAMEBUFFER, s, l, e._hardwareTexture.underlyingResource, n),
                    this._engine._bindUnboundFramebuffer(a)
                }
            }
            ,
            t.prototype.setTexture = function(t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = !0),
                e.prototype.setTexture.call(this, t, i, n),
                this._bindTextureRenderTarget(t, i)
            }
            ,
            t.prototype.dispose = function(t) {
                void 0 === t && (t = !1);
                var i = this._context;
                t || (this._colorTextureArray && (this._context.deleteTexture(this._colorTextureArray),
                this._colorTextureArray = null),
                this._depthStencilTextureArray && (this._context.deleteTexture(this._depthStencilTextureArray),
                this._depthStencilTextureArray = null)),
                this._framebuffer && (i.deleteFramebuffer(this._framebuffer),
                this._framebuffer = null),
                this._depthStencilBuffer && (i.deleteRenderbuffer(this._depthStencilBuffer),
                this._depthStencilBuffer = null),
                this._MSAAFramebuffer && (i.deleteFramebuffer(this._MSAAFramebuffer),
                this._MSAAFramebuffer = null),
                e.prototype.dispose.call(this, t)
            }
            ,
            t
        }(Fa);
        Ht.prototype._createHardwareRenderTargetWrapper = function(e, t, i) {
            var n = new wa(e,t,i,this,this._gl);
            return this._renderTargetWrapperCache.push(n),
            n
        }
        ,
        Ht.prototype.createRenderTargetTexture = function(e, t) {
            var i = this._createHardwareRenderTargetWrapper(!1, !1, e)
              , n = {};
            void 0 !== t && "object" == typeof t ? (n.generateDepthBuffer = !!t.generateDepthBuffer,
            n.generateStencilBuffer = !!t.generateStencilBuffer) : (n.generateDepthBuffer = !0,
            n.generateStencilBuffer = !1);
            var r = this._createInternalTexture(e, t, !0, At.RenderTarget)
              , o = e.width || e
              , a = e.height || e
              , s = this._currentFramebuffer
              , l = this._gl
              , c = l.createFramebuffer();
            return this._bindUnboundFramebuffer(c),
            i._depthStencilBuffer = this._setupFramebufferDepthAttachments(!!n.generateStencilBuffer, n.generateDepthBuffer, o, a),
            r.is2DArray || l.framebufferTexture2D(l.FRAMEBUFFER, l.COLOR_ATTACHMENT0, l.TEXTURE_2D, r._hardwareTexture.underlyingResource, 0),
            this._bindUnboundFramebuffer(s),
            i._framebuffer = c,
            i._generateDepthBuffer = n.generateDepthBuffer,
            i._generateStencilBuffer = !!n.generateStencilBuffer,
            i.setTextures(r),
            i
        }
        ,
        Ht.prototype.createDepthStencilTexture = function(e, t, i) {
            if (t.isCube) {
                var n = e.width || e;
                return this._createDepthStencilCubeTexture(n, t, i)
            }
            return this._createDepthStencilTexture(e, t, i)
        }
        ,
        Ht.prototype._createDepthStencilTexture = function(e, t, i) {
            var n = this._gl
              , r = e.layers || 0
              , o = 0 !== r ? n.TEXTURE_2D_ARRAY : n.TEXTURE_2D
              , s = new Lt(this,At.DepthStencil);
            if (!this._caps.depthTextureExtension)
                return K.Error("Depth texture is not supported by your browser or hardware."),
                s;
            var l = V({
                bilinearFiltering: !1,
                comparisonFunction: 0,
                generateStencil: !1
            }, t);
            this._bindTextureDirectly(o, s, !0),
            this._setupDepthStencilTexture(s, e, l.generateStencil, 0 !== l.comparisonFunction && l.bilinearFiltering, l.comparisonFunction),
            s.format = l.generateStencil ? a.TEXTUREFORMAT_DEPTH24_STENCIL8 : a.TEXTUREFORMAT_DEPTH24,
            i._depthStencilTexture = s,
            i._depthStencilTextureWithStencil = l.generateStencil;
            var c = l.generateStencil ? n.UNSIGNED_INT_24_8 : n.UNSIGNED_INT
              , u = l.generateStencil ? n.DEPTH_STENCIL : n.DEPTH_COMPONENT
              , h = u;
            return this.webGLVersion > 1 && (h = l.generateStencil ? n.DEPTH24_STENCIL8 : n.DEPTH_COMPONENT24),
            s.is2DArray ? n.texImage3D(o, 0, h, s.width, s.height, r, 0, u, c, null) : n.texImage2D(o, 0, h, s.width, s.height, 0, u, c, null),
            this._bindTextureDirectly(o, null),
            this._internalTexturesCache.push(s),
            s
        }
        ,
        Ht.prototype.updateRenderTargetTextureSampleCount = function(e, t) {
            if (this.webGLVersion < 2 || !e || !e.texture)
                return 1;
            if (e.samples === t)
                return t;
            var i = this._gl;
            t = Math.min(t, this.getCaps().maxMSAASamples),
            e._depthStencilBuffer && (i.deleteRenderbuffer(e._depthStencilBuffer),
            e._depthStencilBuffer = null),
            e._MSAAFramebuffer && (i.deleteFramebuffer(e._MSAAFramebuffer),
            e._MSAAFramebuffer = null);
            var n = e.texture._hardwareTexture;
            if (n._MSAARenderBuffer && (i.deleteRenderbuffer(n._MSAARenderBuffer),
            n._MSAARenderBuffer = null),
            t > 1 && i.renderbufferStorageMultisample) {
                var r = i.createFramebuffer();
                if (!r)
                    throw new Error("Unable to create multi sampled framebuffer");
                e._MSAAFramebuffer = r,
                this._bindUnboundFramebuffer(e._MSAAFramebuffer);
                var o = this._createRenderBuffer(e.texture.width, e.texture.height, t, -1, this._getRGBAMultiSampleBufferFormat(e.texture.type), i.COLOR_ATTACHMENT0, !1);
                if (!o)
                    throw new Error("Unable to create multi sampled framebuffer");
                n._MSAARenderBuffer = o
            } else
                this._bindUnboundFramebuffer(e._framebuffer);
            return e.texture.samples = t,
            e._depthStencilBuffer = this._setupFramebufferDepthAttachments(e._generateStencilBuffer, e._generateDepthBuffer, e.texture.width, e.texture.height, t),
            this._bindUnboundFramebuffer(null),
            t
        }
        ;
        var Ba = function() {
            function e(e, t, i, n, r, o, s, l, c, u, d, p, f, _, m) {
                void 0 === s && (s = a.TEXTURE_NEAREST_SAMPLINGMODE),
                void 0 === u && (u = null),
                void 0 === d && (d = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === p && (p = "postprocess"),
                void 0 === _ && (_ = !1),
                void 0 === m && (m = a.TEXTUREFORMAT_RGBA),
                this._parentContainer = null,
                this.width = -1,
                this.height = -1,
                this.nodeMaterialSource = null,
                this._outputTexture = null,
                this.autoClear = !0,
                this.alphaMode = a.ALPHA_DISABLE,
                this.animations = new Array,
                this.enablePixelPerfectMode = !1,
                this.forceFullscreenViewport = !0,
                this.scaleMode = a.SCALEMODE_FLOOR,
                this.alwaysForcePOT = !1,
                this._samples = 1,
                this.adaptScaleToCurrentViewport = !1,
                this._reusable = !1,
                this._renderId = 0,
                this.externalTextureSamplerBinding = !1,
                this._textures = new bi(2),
                this._textureCache = [],
                this._currentRenderTextureInd = 0,
                this._scaleRatio = new A(1,1),
                this._texelSize = A.Zero(),
                this.onActivateObservable = new h,
                this.onSizeChangedObservable = new h,
                this.onApplyObservable = new h,
                this.onBeforeRenderObservable = new h,
                this.onAfterRenderObservable = new h,
                this.name = e,
                null != o ? (this._camera = o,
                this._scene = o.getScene(),
                o.attachPostProcess(this),
                this._engine = this._scene.getEngine(),
                this._scene.postProcesses.push(this),
                this.uniqueId = this._scene.getUniqueId()) : l && (this._engine = l,
                this._engine.postProcesses.push(this)),
                this._options = r,
                this.renderTargetSamplingMode = s || a.TEXTURE_NEAREST_SAMPLINGMODE,
                this._reusable = c || !1,
                this._textureType = d,
                this._textureFormat = m,
                this._samplers = n || [],
                this._samplers.push("textureSampler"),
                this._fragmentUrl = t,
                this._vertexUrl = p,
                this._parameters = i || [],
                this._parameters.push("scale"),
                this._indexParameters = f,
                this._drawWrapper = new Gt(this._engine),
                _ || this.updateEffect(u)
            }
            return Object.defineProperty(e.prototype, "samples", {
                get: function() {
                    return this._samples
                },
                set: function(e) {
                    var t = this;
                    this._samples = Math.min(e, this._engine.getCaps().maxMSAASamples),
                    this._textures.forEach((function(e) {
                        e.samples !== t._samples && t._engine.updateRenderTargetTextureSampleCount(e, t._samples)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getEffectName = function() {
                return this._fragmentUrl
            }
            ,
            Object.defineProperty(e.prototype, "onActivate", {
                set: function(e) {
                    this._onActivateObserver && this.onActivateObservable.remove(this._onActivateObserver),
                    e && (this._onActivateObserver = this.onActivateObservable.add(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onSizeChanged", {
                set: function(e) {
                    this._onSizeChangedObserver && this.onSizeChangedObservable.remove(this._onSizeChangedObserver),
                    this._onSizeChangedObserver = this.onSizeChangedObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onApply", {
                set: function(e) {
                    this._onApplyObserver && this.onApplyObservable.remove(this._onApplyObserver),
                    this._onApplyObserver = this.onApplyObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onBeforeRender", {
                set: function(e) {
                    this._onBeforeRenderObserver && this.onBeforeRenderObservable.remove(this._onBeforeRenderObserver),
                    this._onBeforeRenderObserver = this.onBeforeRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onAfterRender", {
                set: function(e) {
                    this._onAfterRenderObserver && this.onAfterRenderObservable.remove(this._onAfterRenderObserver),
                    this._onAfterRenderObserver = this.onAfterRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "inputTexture", {
                get: function() {
                    return this._textures.data[this._currentRenderTextureInd]
                },
                set: function(e) {
                    this._forcedOutputTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.restoreDefaultInputTexture = function() {
                this._forcedOutputTexture && (this._forcedOutputTexture = null,
                this.markTextureDirty())
            }
            ,
            e.prototype.getCamera = function() {
                return this._camera
            }
            ,
            Object.defineProperty(e.prototype, "texelSize", {
                get: function() {
                    return this._shareOutputWithPostProcess ? this._shareOutputWithPostProcess.texelSize : (this._forcedOutputTexture && this._texelSize.copyFromFloats(1 / this._forcedOutputTexture.width, 1 / this._forcedOutputTexture.height),
                    this._texelSize)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "PostProcess"
            }
            ,
            e.prototype.getEngine = function() {
                return this._engine
            }
            ,
            e.prototype.getEffect = function() {
                return this._drawWrapper.effect
            }
            ,
            e.prototype.shareOutputWith = function(e) {
                return this._disposeTextures(),
                this._shareOutputWithPostProcess = e,
                this
            }
            ,
            e.prototype.useOwnOutput = function() {
                0 == this._textures.length && (this._textures = new bi(2)),
                this._shareOutputWithPostProcess = null
            }
            ,
            e.prototype.updateEffect = function(e, t, i, n, r, o, a, s) {
                void 0 === e && (e = null),
                void 0 === t && (t = null),
                void 0 === i && (i = null),
                this._postProcessDefines = e,
                this._drawWrapper.effect = this._engine.createEffect({
                    vertex: null != a ? a : this._vertexUrl,
                    fragment: null != s ? s : this._fragmentUrl
                }, ["position"], t || this._parameters, i || this._samplers, null !== e ? e : "", void 0, r, o, n || this._indexParameters)
            }
            ,
            e.prototype.isReusable = function() {
                return this._reusable
            }
            ,
            e.prototype.markTextureDirty = function() {
                this.width = -1
            }
            ,
            e.prototype._createRenderTargetTexture = function(e, t, i) {
                void 0 === i && (i = 0);
                for (var n = 0; n < this._textureCache.length; n++)
                    if (this._textureCache[n].texture.width === e.width && this._textureCache[n].texture.height === e.height && this._textureCache[n].postProcessChannel === i && this._textureCache[n].texture._generateDepthBuffer === t.generateDepthBuffer)
                        return this._textureCache[n].texture;
                var r = this._engine.createRenderTargetTexture(e, t);
                return this._textureCache.push({
                    texture: r,
                    postProcessChannel: i,
                    lastUsedRenderId: -1
                }),
                r
            }
            ,
            e.prototype._flushTextureCache = function() {
                for (var e = this._renderId, t = this._textureCache.length - 1; t >= 0; t--)
                    if (e - this._textureCache[t].lastUsedRenderId > 100) {
                        for (var i = !1, n = 0; n < this._textures.length; n++)
                            if (this._textures.data[n] === this._textureCache[t].texture) {
                                i = !0;
                                break
                            }
                        i || (this._textureCache[t].texture.dispose(),
                        this._textureCache.splice(t, 1))
                    }
            }
            ,
            e.prototype._resize = function(e, t, i, n, r) {
                this._textures.length > 0 && this._textures.reset(),
                this.width = e,
                this.height = t;
                for (var o = null, a = 0; a < i._postProcesses.length; a++)
                    if (null !== i._postProcesses[a]) {
                        o = i._postProcesses[a];
                        break
                    }
                var s = {
                    width: this.width,
                    height: this.height
                }
                  , l = {
                    generateMipMaps: n,
                    generateDepthBuffer: r || o === this,
                    generateStencilBuffer: (r || o === this) && this._engine.isStencilEnable,
                    samplingMode: this.renderTargetSamplingMode,
                    type: this._textureType,
                    format: this._textureFormat
                };
                this._textures.push(this._createRenderTargetTexture(s, l, 0)),
                this._reusable && this._textures.push(this._createRenderTargetTexture(s, l, 1)),
                this._texelSize.copyFromFloats(1 / this.width, 1 / this.height),
                this.onSizeChangedObservable.notifyObservers(this)
            }
            ,
            e.prototype.activate = function(e, t, i) {
                var n, r, o = this;
                void 0 === t && (t = null);
                var s = (e = e || this._camera).getScene()
                  , l = s.getEngine()
                  , c = l.getCaps().maxTextureSize
                  , u = (t ? t.width : this._engine.getRenderWidth(!0)) * this._options | 0
                  , h = (t ? t.height : this._engine.getRenderHeight(!0)) * this._options | 0
                  , d = e.parent;
                !d || d.leftCamera != e && d.rightCamera != e || (u /= 2);
                var p, f = this._options.width || u, _ = this._options.height || h, m = this.renderTargetSamplingMode !== a.TEXTURE_NEAREST_LINEAR && this.renderTargetSamplingMode !== a.TEXTURE_NEAREST_NEAREST && this.renderTargetSamplingMode !== a.TEXTURE_LINEAR_LINEAR;
                if (!this._shareOutputWithPostProcess && !this._forcedOutputTexture) {
                    if (this.adaptScaleToCurrentViewport) {
                        var g = l.currentViewport;
                        g && (f *= g.width,
                        _ *= g.height)
                    }
                    (m || this.alwaysForcePOT) && (this._options.width || (f = l.needPOTTextures ? vr.GetExponentOfTwo(f, c, this.scaleMode) : f),
                    this._options.height || (_ = l.needPOTTextures ? vr.GetExponentOfTwo(_, c, this.scaleMode) : _)),
                    this.width === f && this.height === _ || this._resize(f, _, e, m, i),
                    this._textures.forEach((function(e) {
                        e.samples !== o.samples && o._engine.updateRenderTargetTextureSampleCount(e, o.samples)
                    }
                    )),
                    this._flushTextureCache(),
                    this._renderId++
                }
                if (this._shareOutputWithPostProcess)
                    p = this._shareOutputWithPostProcess.inputTexture;
                else if (this._forcedOutputTexture)
                    p = this._forcedOutputTexture,
                    this.width = this._forcedOutputTexture.width,
                    this.height = this._forcedOutputTexture.height;
                else {
                    p = this.inputTexture;
                    for (var v = void 0, y = 0; y < this._textureCache.length; y++)
                        if (this._textureCache[y].texture === p) {
                            v = this._textureCache[y];
                            break
                        }
                    v && (v.lastUsedRenderId = this._renderId)
                }
                return this.enablePixelPerfectMode ? (this._scaleRatio.copyFromFloats(u / f, h / _),
                this._engine.bindFramebuffer(p, 0, u, h, this.forceFullscreenViewport)) : (this._scaleRatio.copyFromFloats(1, 1),
                this._engine.bindFramebuffer(p, 0, void 0, void 0, this.forceFullscreenViewport)),
                null === (r = (n = this._engine)._debugInsertMarker) || void 0 === r || r.call(n, "post process ".concat(this.name, " input")),
                this.onActivateObservable.notifyObservers(e),
                this.autoClear && this.alphaMode === a.ALPHA_DISABLE && this._engine.clear(this.clearColor ? this.clearColor : s.clearColor, s._allowPostProcessClearColor, !0, !0),
                this._reusable && (this._currentRenderTextureInd = (this._currentRenderTextureInd + 1) % 2),
                p
            }
            ,
            Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    return this._drawWrapper.effect.isSupported
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "aspectRatio", {
                get: function() {
                    return this._shareOutputWithPostProcess ? this._shareOutputWithPostProcess.aspectRatio : this._forcedOutputTexture ? this._forcedOutputTexture.width / this._forcedOutputTexture.height : this.width / this.height
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function() {
                var e, t;
                return null !== (t = null === (e = this._drawWrapper.effect) || void 0 === e ? void 0 : e.isReady()) && void 0 !== t && t
            }
            ,
            e.prototype.apply = function() {
                var e, t;
                return (null === (e = this._drawWrapper.effect) || void 0 === e ? void 0 : e.isReady()) ? (this._engine.enableEffect(this._drawWrapper),
                this._engine.setState(!1),
                this._engine.setDepthBuffer(!1),
                this._engine.setDepthWrite(!1),
                this._engine.setAlphaMode(this.alphaMode),
                this.alphaConstants && this.getEngine().setAlphaConstants(this.alphaConstants.r, this.alphaConstants.g, this.alphaConstants.b, this.alphaConstants.a),
                t = this._shareOutputWithPostProcess ? this._shareOutputWithPostProcess.inputTexture : this._forcedOutputTexture ? this._forcedOutputTexture : this.inputTexture,
                this.externalTextureSamplerBinding || this._drawWrapper.effect._bindTexture("textureSampler", null == t ? void 0 : t.texture),
                this._drawWrapper.effect.setVector2("scale", this._scaleRatio),
                this.onApplyObservable.notifyObservers(this._drawWrapper.effect),
                this._drawWrapper.effect) : null
            }
            ,
            e.prototype._disposeTextures = function() {
                this._shareOutputWithPostProcess || this._forcedOutputTexture ? this._disposeTextureCache() : (this._disposeTextureCache(),
                this._textures.dispose())
            }
            ,
            e.prototype._disposeTextureCache = function() {
                for (var e = this._textureCache.length - 1; e >= 0; e--)
                    this._textureCache[e].texture.dispose();
                this._textureCache.length = 0
            }
            ,
            e.prototype.setPrePassRenderer = function(e) {
                return !!this._prePassEffectConfiguration && (this._prePassEffectConfiguration = e.addEffectConfiguration(this._prePassEffectConfiguration),
                this._prePassEffectConfiguration.enabled = !0,
                !0)
            }
            ,
            e.prototype.dispose = function(e) {
                var t;
                if (e = e || this._camera,
                this._disposeTextures(),
                this._scene && -1 !== (t = this._scene.postProcesses.indexOf(this)) && this._scene.postProcesses.splice(t, 1),
                this._parentContainer) {
                    var i = this._parentContainer.postProcesses.indexOf(this);
                    i > -1 && this._parentContainer.postProcesses.splice(i, 1),
                    this._parentContainer = null
                }
                if (-1 !== (t = this._engine.postProcesses.indexOf(this)) && this._engine.postProcesses.splice(t, 1),
                e) {
                    if (e.detachPostProcess(this),
                    0 === (t = e._postProcesses.indexOf(this)) && e._postProcesses.length > 0) {
                        var n = this._camera._getFirstPostProcess();
                        n && n.markTextureDirty()
                    }
                    this.onActivateObservable.clear(),
                    this.onAfterRenderObservable.clear(),
                    this.onApplyObservable.clear(),
                    this.onBeforeRenderObservable.clear(),
                    this.onSizeChangedObservable.clear()
                }
            }
            ,
            e.prototype.serialize = function() {
                var e = Ge.Serialize(this)
                  , t = this.getCamera() || this._scene && this._scene.activeCamera;
                return e.customType = "BABYLON." + this.getClassName(),
                e.cameraId = t ? t.id : null,
                e.reusable = this._reusable,
                e.textureType = this._textureType,
                e.fragmentUrl = this._fragmentUrl,
                e.parameters = this._parameters,
                e.samplers = this._samplers,
                e.options = this._options,
                e.defines = this._postProcessDefines,
                e.textureFormat = this._textureFormat,
                e.vertexUrl = this._vertexUrl,
                e.indexParameters = this._indexParameters,
                e
            }
            ,
            e.prototype.clone = function() {
                var t = this.serialize();
                t._engine = this._engine,
                t.cameraId = null;
                var i = e.Parse(t, this._scene, "");
                return i ? (i.onActivateObservable = this.onActivateObservable.clone(),
                i.onSizeChangedObservable = this.onSizeChangedObservable.clone(),
                i.onApplyObservable = this.onApplyObservable.clone(),
                i.onBeforeRenderObservable = this.onBeforeRenderObservable.clone(),
                i.onAfterRenderObservable = this.onAfterRenderObservable.clone(),
                i._prePassEffectConfiguration = this._prePassEffectConfiguration,
                i) : null
            }
            ,
            e.Parse = function(e, t, i) {
                var n = b(e.customType);
                if (!n || !n._Parse)
                    return null;
                var r = t ? t.getCameraById(e.cameraId) : null;
                return n._Parse(e, r, t, i)
            }
            ,
            e._Parse = function(t, i, n, r) {
                return Ge.Parse((function() {
                    return new e(t.name,t.fragmentUrl,t.parameters,t.samplers,t.options,i,t.renderTargetSamplingMode,t._engine,t.reusable,t.defines,t.textureType,t.vertexUrl,t.indexParameters,!1,t.textureFormat)
                }
                ), t, n, r)
            }
            ,
            k([Ce()], e.prototype, "uniqueId", void 0),
            k([Ce()], e.prototype, "name", void 0),
            k([Ce()], e.prototype, "width", void 0),
            k([Ce()], e.prototype, "height", void 0),
            k([Ce()], e.prototype, "renderTargetSamplingMode", void 0),
            k([Fe()], e.prototype, "clearColor", void 0),
            k([Ce()], e.prototype, "autoClear", void 0),
            k([Ce()], e.prototype, "alphaMode", void 0),
            k([Ce()], e.prototype, "alphaConstants", void 0),
            k([Ce()], e.prototype, "enablePixelPerfectMode", void 0),
            k([Ce()], e.prototype, "forceFullscreenViewport", void 0),
            k([Ce()], e.prototype, "scaleMode", void 0),
            k([Ce()], e.prototype, "alwaysForcePOT", void 0),
            k([Ce("samples")], e.prototype, "_samples", void 0),
            k([Ce()], e.prototype, "adaptScaleToCurrentViewport", void 0),
            e
        }();
        y("BABYLON.PostProcess", Ba);
        Pt.ShadersStore.passPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\ngl_FragColor=texture2D(textureSampler,vUV);\n}";
        Pt.ShadersStore.passCubePixelShader = "varying vec2 vUV;\nuniform samplerCube textureSampler;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nvec2 uv=vUV*2.0-1.0;\n#ifdef POSITIVEX\ngl_FragColor=textureCube(textureSampler,vec3(1.001,uv.y,uv.x));\n#endif\n#ifdef NEGATIVEX\ngl_FragColor=textureCube(textureSampler,vec3(-1.001,uv.y,uv.x));\n#endif\n#ifdef POSITIVEY\ngl_FragColor=textureCube(textureSampler,vec3(uv.y,1.001,uv.x));\n#endif\n#ifdef NEGATIVEY\ngl_FragColor=textureCube(textureSampler,vec3(uv.y,-1.001,uv.x));\n#endif\n#ifdef POSITIVEZ\ngl_FragColor=textureCube(textureSampler,vec3(uv,1.001));\n#endif\n#ifdef NEGATIVEZ\ngl_FragColor=textureCube(textureSampler,vec3(uv,-1.001));\n#endif\n}";
        var Ua = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                return void 0 === n && (n = null),
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === c && (c = !1),
                e.call(this, t, "pass", null, null, i, n, r, o, s, void 0, l, void 0, null, c) || this
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "PassPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,e._engine,e.reusable)
                }
                ), e, n, r)
            }
            ,
            t
        }(Ba);
        y("BABYLON.PassPostProcess", Ua);
        var Va = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === n && (n = null),
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === c && (c = !1);
                var u = e.call(this, t, "passCube", null, null, i, n, r, o, s, "#define POSITIVEX", l, void 0, null, c) || this;
                return u._face = 0,
                u
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "face", {
                get: function() {
                    return this._face
                },
                set: function(e) {
                    if (!(e < 0 || e > 5))
                        switch (this._face = e,
                        this._face) {
                        case 0:
                            this.updateEffect("#define POSITIVEX");
                            break;
                        case 1:
                            this.updateEffect("#define NEGATIVEX");
                            break;
                        case 2:
                            this.updateEffect("#define POSITIVEY");
                            break;
                        case 3:
                            this.updateEffect("#define NEGATIVEY");
                            break;
                        case 4:
                            this.updateEffect("#define POSITIVEZ");
                            break;
                        case 5:
                            this.updateEffect("#define NEGATIVEZ")
                        }
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PassCubePostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,e._engine,e.reusable)
                }
                ), e, n, r)
            }
            ,
            t
        }(Ba);
        vr._RescalePostProcessFactory = function(e) {
            return new Ua("rescale",1,null,a.TEXTURE_BILINEAR_SAMPLINGMODE,e,!1,a.TEXTURETYPE_UNSIGNED_INT)
        }
        ;
        Pt.ShadersStore.anaglyphPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform sampler2D leftSampler;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 leftFrag=texture2D(leftSampler,vUV);\nleftFrag=vec4(1.0,leftFrag.g,leftFrag.b,1.0);\nvec4 rightFrag=texture2D(textureSampler,vUV);\nrightFrag=vec4(rightFrag.r,1.0,1.0,1.0);\ngl_FragColor=vec4(rightFrag.rgb*leftFrag.rgb,1.0);\n}";
        var ka = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, "anaglyph", null, ["leftSampler"], i, n[1], r, o, a) || this;
                return s._passedProcess = n[0]._rigPostProcess,
                s.onApplyObservable.add((function(e) {
                    e.setTextureFromPostProcess("leftSampler", s._passedProcess)
                }
                )),
                s
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AnaglyphPostProcess"
            }
            ,
            t
        }(Ba);
        function Ga(e) {
            e._rigCameras[0]._rigPostProcess = new Ua(e.name + "_passthru",1,e._rigCameras[0]),
            e._rigCameras[1]._rigPostProcess = new ka(e.name + "_anaglyph",1,e._rigCameras)
        }
        y("BABYLON.AnaglyphPostProcess", ka),
        Xe.AddNodeConstructor("AnaglyphArcRotateCamera", (function(e, t, i) {
            return function() {
                return new za(e,0,0,1,x.Zero(),i.interaxial_distance,t)
            }
        }
        ));
        var za = function(e) {
            function t(t, i, n, r, o, a, s) {
                var l = e.call(this, t, i, n, r, o, s) || this;
                return l._setRigMode = Ga.bind(null, l),
                l.interaxialDistance = a,
                l.setCameraRigMode(Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH, {
                    interaxialDistance: a
                }),
                l
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AnaglyphArcRotateCamera"
            }
            ,
            t
        }(_a);
        Xe.AddNodeConstructor("AnaglyphFreeCamera", (function(e, t, i) {
            return function() {
                return new Wa(e,x.Zero(),i.interaxial_distance,t)
            }
        }
        ));
        var Wa = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i, r) || this;
                return o._setRigMode = Ga.bind(null, o),
                o.interaxialDistance = n,
                o.setCameraRigMode(Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH, {
                    interaxialDistance: n
                }),
                o
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AnaglyphFreeCamera"
            }
            ,
            t
        }(pa);
        Xe.AddNodeConstructor("AnaglyphGamepadCamera", (function(e, t, i) {
            return function() {
                return new Ha(e,x.Zero(),i.interaxial_distance,t)
            }
        }
        ));
        var Ha = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i, r) || this;
                return o._setRigMode = Ga.bind(null, o),
                o.interaxialDistance = n,
                o.setCameraRigMode(Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH, {
                    interaxialDistance: n
                }),
                o
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AnaglyphGamepadCamera"
            }
            ,
            t
        }(La);
        Xe.AddNodeConstructor("AnaglyphUniversalCamera", (function(e, t, i) {
            return function() {
                return new Xa(e,x.Zero(),i.interaxial_distance,t)
            }
        }
        ));
        var Xa = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i, r) || this;
                return o._setRigMode = Ga.bind(null, o),
                o.interaxialDistance = n,
                o.setCameraRigMode(Rr.RIG_MODE_STEREOSCOPIC_ANAGLYPH, {
                    interaxialDistance: n
                }),
                o
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AnaglyphUniversalCamera"
            }
            ,
            t
        }(Na);
        Pt.ShadersStore.stereoscopicInterlacePixelShader = "const vec3 TWO=vec3(2.0,2.0,2.0);\nvarying vec2 vUV;\nuniform sampler2D camASampler;\nuniform sampler2D textureSampler;\nuniform vec2 stepSize;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nbool useCamA;\nbool useCamB;\nvec2 texCoord1;\nvec2 texCoord2;\nvec3 frag1;\nvec3 frag2;\n#ifdef IS_STEREOSCOPIC_HORIZ\nuseCamB=vUV.x>0.5;\nuseCamA=!useCamB;\ntexCoord1=vec2(useCamB ? (vUV.x-0.5)*2.0 : vUV.x*2.0,vUV.y);\ntexCoord2=vec2(texCoord1.x+stepSize.x,vUV.y);\n#else\n#ifdef IS_STEREOSCOPIC_INTERLACED\nfloat rowNum=floor(vUV.y/stepSize.y);\nuseCamA=mod(rowNum,2.0)==1.0;\nuseCamB=mod(rowNum,2.0)==0.0;\ntexCoord1=vec2(vUV.x,vUV.y);\ntexCoord2=vec2(vUV.x,vUV.y);\n#else\nuseCamB=vUV.y>0.5;\nuseCamA=!useCamB;\ntexCoord1=vec2(vUV.x,useCamB ? (vUV.y-0.5)*2.0 : vUV.y*2.0);\ntexCoord2=vec2(vUV.x,texCoord1.y+stepSize.y);\n#endif\n#endif\nif (useCamB){\nfrag1=texture2D(textureSampler,texCoord1).rgb;\nfrag2=texture2D(textureSampler,texCoord2).rgb;\n}else if (useCamA){\nfrag1=texture2D(camASampler ,texCoord1).rgb;\nfrag2=texture2D(camASampler ,texCoord2).rgb;\n}else {\ndiscard;\n}\ngl_FragColor=vec4((frag1+frag2)/TWO,1.0);\n}\n";
        var ja = function(e) {
            function t(t, i, n, r, o, a, s) {
                var l = e.call(this, t, "stereoscopicInterlace", ["stepSize"], ["camASampler"], 1, i[1], o, a, s, r ? "#define IS_STEREOSCOPIC_INTERLACED 1" : n ? "#define IS_STEREOSCOPIC_HORIZ 1" : void 0) || this;
                return l._passedProcess = i[0]._rigPostProcess,
                l._stepSize = new A(1 / l.width,1 / l.height),
                l.onSizeChangedObservable.add((function() {
                    l._stepSize = new A(1 / l.width,1 / l.height)
                }
                )),
                l.onApplyObservable.add((function(e) {
                    e.setTextureFromPostProcess("camASampler", l._passedProcess),
                    e.setFloat2("stepSize", l._stepSize.x, l._stepSize.y)
                }
                )),
                l
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicInterlacePostProcessI"
            }
            ,
            t
        }(Ba)
          , Ya = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, "stereoscopicInterlace", ["stepSize"], ["camASampler"], 1, i[1], r, o, a, n ? "#define IS_STEREOSCOPIC_HORIZ 1" : void 0) || this;
                return s._passedProcess = i[0]._rigPostProcess,
                s._stepSize = new A(1 / s.width,1 / s.height),
                s.onSizeChangedObservable.add((function() {
                    s._stepSize = new A(1 / s.width,1 / s.height)
                }
                )),
                s.onApplyObservable.add((function(e) {
                    e.setTextureFromPostProcess("camASampler", s._passedProcess),
                    e.setFloat2("stepSize", s._stepSize.x, s._stepSize.y)
                }
                )),
                s
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicInterlacePostProcess"
            }
            ,
            t
        }(Ba);
        function Ka(e) {
            var t = e.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL || e.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED
              , i = e.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_CROSSEYED;
            e.cameraRigMode === Rr.RIG_MODE_STEREOSCOPIC_INTERLACED ? (e._rigCameras[0]._rigPostProcess = new Ua(e.name + "_passthru",1,e._rigCameras[0]),
            e._rigCameras[1]._rigPostProcess = new ja(e.name + "_stereoInterlace",e._rigCameras,!1,!0)) : (e._rigCameras[i ? 1 : 0].viewport = new xr(0,0,t ? .5 : 1,t ? 1 : .5),
            e._rigCameras[i ? 0 : 1].viewport = new xr(t ? .5 : 0,t ? 0 : .5,t ? .5 : 1,t ? 1 : .5))
        }
        Xe.AddNodeConstructor("StereoscopicArcRotateCamera", (function(e, t, i) {
            return function() {
                return new Qa(e,0,0,1,x.Zero(),i.interaxial_distance,i.isStereoscopicSideBySide,t)
            }
        }
        ));
        var Qa = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                var c = e.call(this, t, i, n, r, o, l) || this;
                return c._setRigMode = Ka.bind(null, c),
                c.interaxialDistance = a,
                c.isStereoscopicSideBySide = s,
                c.setCameraRigMode(s ? Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL : Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER, {
                    interaxialDistance: a
                }),
                c
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicArcRotateCamera"
            }
            ,
            t
        }(_a);
        Xe.AddNodeConstructor("StereoscopicFreeCamera", (function(e, t, i) {
            return function() {
                return new qa(e,x.Zero(),i.interaxial_distance,i.isStereoscopicSideBySide,t)
            }
        }
        ));
        var qa = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, i, o) || this;
                return a._setRigMode = Ka.bind(null, a),
                a.interaxialDistance = n,
                a.isStereoscopicSideBySide = r,
                a.setCameraRigMode(r ? Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL : Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER, {
                    interaxialDistance: n
                }),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicFreeCamera"
            }
            ,
            t
        }(pa);
        Xe.AddNodeConstructor("StereoscopicGamepadCamera", (function(e, t, i) {
            return function() {
                return new Za(e,x.Zero(),i.interaxial_distance,i.isStereoscopicSideBySide,t)
            }
        }
        ));
        var Za = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, i, o) || this;
                return a._setRigMode = Ka.bind(null, a),
                a.interaxialDistance = n,
                a.isStereoscopicSideBySide = r,
                a.setCameraRigMode(r ? Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL : Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER, {
                    interaxialDistance: n
                }),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicGamepadCamera"
            }
            ,
            t
        }(La);
        Xe.AddNodeConstructor("StereoscopicFreeCamera", (function(e, t, i) {
            return function() {
                return new Ja(e,x.Zero(),i.interaxial_distance,i.isStereoscopicSideBySide,t)
            }
        }
        ));
        var Ja = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, i, o) || this;
                return a._setRigMode = Ka.bind(null, a),
                a.interaxialDistance = n,
                a.isStereoscopicSideBySide = r,
                a.setCameraRigMode(r ? Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL : Rr.RIG_MODE_STEREOSCOPIC_OVERUNDER, {
                    interaxialDistance: n
                }),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StereoscopicUniversalCamera"
            }
            ,
            t
        }(Na)
          , $a = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = 1),
                void 0 === o && (o = .065);
                var a = e.call(this, t, i, n) || this;
                return a._distanceBetweenEyes = o,
                a._distanceToProjectionPlane = r,
                a.setCameraRigMode(Rr.RIG_MODE_STEREOSCOPIC_SIDEBYSIDE_PARALLEL, {
                    stereoHalfAngle: 0
                }),
                a._cameraRigParams.stereoHalfAngle = 0,
                a._cameraRigParams.interaxialDistance = o,
                a
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "distanceBetweenEyes", {
                get: function() {
                    return this._distanceBetweenEyes
                },
                set: function(e) {
                    this._distanceBetweenEyes = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "distanceToProjectionPlane", {
                get: function() {
                    return this._distanceToProjectionPlane
                },
                set: function(e) {
                    this._distanceToProjectionPlane = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "StereoscopicUniversalCamera"
            }
            ,
            t.prototype.createRigCamera = function(e) {
                var t = new da(e,x.Zero(),this.getScene())
                  , i = new yr("tm_" + e,this.getScene());
                return t.parent = i,
                i.setPivotMatrix(P.Identity(), !1),
                t.isRigCamera = !0,
                t.rigParent = this,
                t
            }
            ,
            t.prototype._updateRigCameras = function() {
                for (var e = 0; e < this._rigCameras.length; e++) {
                    var t = this._rigCameras[e];
                    t.minZ = this.minZ,
                    t.maxZ = this.maxZ,
                    t.fov = this.fov,
                    t.upVector.copyFrom(this.upVector),
                    t.rotationQuaternion ? t.rotationQuaternion.copyFrom(this.rotationQuaternion) : t.rotation.copyFrom(this.rotation),
                    this._updateCamera(this._rigCameras[e], e)
                }
            }
            ,
            t.prototype._updateCamera = function(e, t) {
                var i = this.distanceBetweenEyes / 2
                  , n = i / this.distanceToProjectionPlane;
                e.position.copyFrom(this.position),
                e.position.addInPlaceFromFloats(0 === t ? -i : i, 0, -this._distanceToProjectionPlane);
                var r = e.parent
                  , o = r.getPivotMatrix();
                o.setTranslationFromFloats(0 === t ? i : -i, 0, 0),
                o.setRowFromFloats(2, 0 === t ? n : -n, 0, 1, 0),
                r.setPivotMatrix(o, !1)
            }
            ,
            t.prototype._setRigMode = function() {
                this._rigCameras[0].viewport = new xr(0,0,.5,1),
                this._rigCameras[1].viewport = new xr(.5,0,.5,1);
                for (var e = 0; e < this._rigCameras.length; e++)
                    this._updateCamera(this._rigCameras[e], e)
            }
            ,
            t
        }(Na);
        Xe.AddNodeConstructor("VirtualJoysticksCamera", (function(e, t) {
            return function() {
                return new es(e,x.Zero(),t)
            }
        }
        ));
        var es = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r.inputs.addVirtualJoystick(),
                r
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VirtualJoysticksCamera"
            }
            ,
            t
        }(pa)
          , ts = function() {
            function e() {
                this.compensateDistortion = !0,
                this.multiviewEnabled = !1
            }
            return Object.defineProperty(e.prototype, "aspectRatio", {
                get: function() {
                    return this.hResolution / (2 * this.vResolution)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "aspectRatioFov", {
                get: function() {
                    return 2 * Math.atan(this.postProcessScaleFactor * this.vScreenSize / (2 * this.eyeToScreenDistance))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "leftHMatrix", {
                get: function() {
                    var e = 4 * (this.hScreenSize / 4 - this.lensSeparationDistance / 2) / this.hScreenSize;
                    return P.Translation(e, 0, 0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rightHMatrix", {
                get: function() {
                    var e = 4 * (this.hScreenSize / 4 - this.lensSeparationDistance / 2) / this.hScreenSize;
                    return P.Translation(-e, 0, 0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "leftPreViewMatrix", {
                get: function() {
                    return P.Translation(.5 * this.interpupillaryDistance, 0, 0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rightPreViewMatrix", {
                get: function() {
                    return P.Translation(-.5 * this.interpupillaryDistance, 0, 0)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.GetDefault = function() {
                var t = new e;
                return t.hResolution = 1280,
                t.vResolution = 800,
                t.hScreenSize = .149759993,
                t.vScreenSize = .0935999975,
                t.vScreenCenter = .0467999987,
                t.eyeToScreenDistance = .0410000011,
                t.lensSeparationDistance = .063500002,
                t.interpupillaryDistance = .064000003,
                t.distortionK = [1, .219999999, .239999995, 0],
                t.chromaAbCorrection = [.995999992, -.00400000019, 1.01400006, 0],
                t.postProcessScaleFactor = 1.714605507808412,
                t.lensCenterOffset = .151976421,
                t
            }
            ,
            e
        }();
        Pt.ShadersStore.vrDistortionCorrectionPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec2 LensCenter;\nuniform vec2 Scale;\nuniform vec2 ScaleIn;\nuniform vec4 HmdWarpParam;\nvec2 HmdWarp(vec2 in01) {\nvec2 theta=(in01-LensCenter)*ScaleIn; \nfloat rSq=theta.x*theta.x+theta.y*theta.y;\nvec2 rvector=theta*(HmdWarpParam.x+HmdWarpParam.y*rSq+HmdWarpParam.z*rSq*rSq+HmdWarpParam.w*rSq*rSq*rSq);\nreturn LensCenter+Scale*rvector;\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec2 tc=HmdWarp(vUV);\nif (tc.x <0.0 || tc.x>1.0 || tc.y<0.0 || tc.y>1.0)\ngl_FragColor=vec4(0.0,0.0,0.0,0.0);\nelse{\ngl_FragColor=texture2D(textureSampler,tc);\n}\n}";
        var is = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, "vrDistortionCorrection", ["LensCenter", "Scale", "ScaleIn", "HmdWarpParam"], null, r.postProcessScaleFactor, i, io.BILINEAR_SAMPLINGMODE) || this;
                return o._isRightEye = n,
                o._distortionFactors = r.distortionK,
                o._postProcessScaleFactor = r.postProcessScaleFactor,
                o._lensCenterOffset = r.lensCenterOffset,
                o.adaptScaleToCurrentViewport = !0,
                o.onSizeChangedObservable.add((function() {
                    o._scaleIn = new A(2,2 / o.aspectRatio),
                    o._scaleFactor = new A(1 / o._postProcessScaleFactor * .5,1 / o._postProcessScaleFactor * .5 * o.aspectRatio),
                    o._lensCenter = new A(o._isRightEye ? .5 - .5 * o._lensCenterOffset : .5 + .5 * o._lensCenterOffset,.5)
                }
                )),
                o.onApplyObservable.add((function(e) {
                    e.setFloat2("LensCenter", o._lensCenter.x, o._lensCenter.y),
                    e.setFloat2("Scale", o._scaleFactor.x, o._scaleFactor.y),
                    e.setFloat2("ScaleIn", o._scaleIn.x, o._scaleIn.y),
                    e.setFloat4("HmdWarpParam", o._distortionFactors[0], o._distortionFactors[1], o._distortionFactors[2], o._distortionFactors[3])
                }
                )),
                o
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VRDistortionCorrectionPostProcess"
            }
            ,
            t
        }(Ba);
        Pt.ShadersStore.vrMultiviewToSingleviewPixelShader = "precision mediump sampler2DArray;\nvarying vec2 vUV;\nuniform sampler2DArray multiviewSampler;\nuniform int imageIndex;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\ngl_FragColor=texture2D(multiviewSampler,vec3(vUV,imageIndex));\n}",
        Ht.prototype.createRenderTargetCubeTexture = function(e, t) {
            var i = this._createHardwareRenderTargetWrapper(!1, !0, e)
              , n = V({
                generateMipMaps: !0,
                generateDepthBuffer: !0,
                generateStencilBuffer: !1,
                type: a.TEXTURETYPE_UNSIGNED_INT,
                samplingMode: a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                format: a.TEXTUREFORMAT_RGBA
            }, t);
            n.generateStencilBuffer = n.generateDepthBuffer && n.generateStencilBuffer,
            (n.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (n.type !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (n.samplingMode = a.TEXTURE_NEAREST_SAMPLINGMODE);
            var r = this._gl
              , o = new Lt(this,At.RenderTarget);
            this._bindTextureDirectly(r.TEXTURE_CUBE_MAP, o, !0);
            var s = this._getSamplingParameters(n.samplingMode, n.generateMipMaps);
            n.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (n.type = a.TEXTURETYPE_UNSIGNED_INT,
            K.Warn("Float textures are not supported. Cube render target forced to TEXTURETYPE_UNESIGNED_BYTE type")),
            r.texParameteri(r.TEXTURE_CUBE_MAP, r.TEXTURE_MAG_FILTER, s.mag),
            r.texParameteri(r.TEXTURE_CUBE_MAP, r.TEXTURE_MIN_FILTER, s.min),
            r.texParameteri(r.TEXTURE_CUBE_MAP, r.TEXTURE_WRAP_S, r.CLAMP_TO_EDGE),
            r.texParameteri(r.TEXTURE_CUBE_MAP, r.TEXTURE_WRAP_T, r.CLAMP_TO_EDGE);
            for (var l = 0; l < 6; l++)
                r.texImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X + l, 0, this._getRGBABufferInternalSizedFormat(n.type, n.format), e, e, 0, this._getInternalFormat(n.format), this._getWebGLTextureType(n.type), null);
            var c = r.createFramebuffer();
            return this._bindUnboundFramebuffer(c),
            i._depthStencilBuffer = this._setupFramebufferDepthAttachments(n.generateStencilBuffer, n.generateDepthBuffer, e, e),
            n.generateMipMaps && r.generateMipmap(r.TEXTURE_CUBE_MAP),
            this._bindTextureDirectly(r.TEXTURE_CUBE_MAP, null),
            this._bindUnboundFramebuffer(null),
            i._framebuffer = c,
            i._generateDepthBuffer = n.generateDepthBuffer,
            i._generateStencilBuffer = n.generateStencilBuffer,
            o.width = e,
            o.height = e,
            o.isReady = !0,
            o.isCube = !0,
            o.samples = 1,
            o.generateMipMaps = n.generateMipMaps,
            o.samplingMode = n.samplingMode,
            o.type = n.type,
            o.format = n.format,
            this._internalTexturesCache.push(o),
            i.setTextures(o),
            i
        }
        ;
        var ns = function(e) {
            function t(t, i, n, r, o, s, l, c, u, d, p, f, _, m, g) {
                void 0 === o && (o = !0),
                void 0 === s && (s = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === l && (l = !1),
                void 0 === c && (c = io.TRILINEAR_SAMPLINGMODE),
                void 0 === u && (u = !0),
                void 0 === d && (d = !1),
                void 0 === p && (p = !1),
                void 0 === f && (f = a.TEXTUREFORMAT_RGBA),
                void 0 === _ && (_ = !1);
                var v, y = this;
                if ((y = e.call(this, null, n, !r, void 0, c, void 0, void 0, void 0, void 0, f) || this).renderParticles = !0,
                y.renderSprites = !1,
                y.ignoreCameraViewport = !1,
                y.onBeforeBindObservable = new h,
                y.onAfterUnbindObservable = new h,
                y.onBeforeRenderObservable = new h,
                y.onAfterRenderObservable = new h,
                y.onClearObservable = new h,
                y.onResizeObservable = new h,
                y._cleared = !1,
                y.skipInitialClear = !1,
                y._currentRefreshId = -1,
                y._refreshRate = 1,
                y._samples = 1,
                y._canRescale = !0,
                y._renderTarget = null,
                y.boundingBoxPosition = x.Zero(),
                !(n = y.getScene()))
                    return y;
                var b = y.getScene().getEngine();
                return y._coordinatesMode = io.PROJECTION_MODE,
                y.renderList = new Array,
                y.name = t,
                y.isRenderTarget = !0,
                y._initialSizeParameter = i,
                y._renderPassIds = [],
                y._isCubeData = l,
                y._processSizeParameter(i),
                y.renderPassId = y._renderPassIds[0],
                y._resizeObserver = b.onResizeObservable.add((function() {}
                )),
                y._generateMipMaps = !!r,
                y._doNotChangeAspectRatio = o,
                y._renderingManager = new zi(n),
                y._renderingManager._useSceneAutoClearSetup = !0,
                p || (y._renderTargetOptions = {
                    generateMipMaps: r,
                    type: s,
                    format: null !== (v = y._format) && void 0 !== v ? v : void 0,
                    samplingMode: y.samplingMode,
                    generateDepthBuffer: u,
                    generateStencilBuffer: d,
                    samples: m,
                    creationFlags: g
                },
                y.samplingMode === io.NEAREST_SAMPLINGMODE && (y.wrapU = io.CLAMP_ADDRESSMODE,
                y.wrapV = io.CLAMP_ADDRESSMODE),
                _ || (l ? (y._renderTarget = n.getEngine().createRenderTargetCubeTexture(y.getRenderSize(), y._renderTargetOptions),
                y.coordinatesMode = io.INVCUBIC_MODE,
                y._textureMatrix = P.Identity()) : y._renderTarget = n.getEngine().createRenderTargetTexture(y._size, y._renderTargetOptions),
                y._texture = y._renderTarget.texture,
                void 0 !== m && (y.samples = m))),
                y
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "renderList", {
                get: function() {
                    return this._renderList
                },
                set: function(e) {
                    this._renderList = e,
                    this._renderList && this._hookArray(this._renderList)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._hookArray = function(e) {
                var t = this
                  , i = e.push;
                e.push = function() {
                    for (var n, r = [], o = 0; o < arguments.length; o++)
                        r[o] = arguments[o];
                    var a = 0 === e.length
                      , s = i.apply(e, r);
                    return a && (null === (n = t.getScene()) || void 0 === n || n.meshes.forEach((function(e) {
                        e._markSubMeshesAsLightDirty()
                    }
                    ))),
                    s
                }
                ;
                var n = e.splice;
                e.splice = function(i, r) {
                    var o, a = n.apply(e, [i, r]);
                    return 0 === e.length && (null === (o = t.getScene()) || void 0 === o || o.meshes.forEach((function(e) {
                        e._markSubMeshesAsLightDirty()
                    }
                    ))),
                    a
                }
            }
            ,
            Object.defineProperty(t.prototype, "postProcesses", {
                get: function() {
                    return this._postProcesses
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_prePassEnabled", {
                get: function() {
                    return !!this._prePassRenderTarget && this._prePassRenderTarget.enabled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onAfterUnbind", {
                set: function(e) {
                    this._onAfterUnbindObserver && this.onAfterUnbindObservable.remove(this._onAfterUnbindObserver),
                    this._onAfterUnbindObserver = this.onAfterUnbindObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBeforeRender", {
                set: function(e) {
                    this._onBeforeRenderObserver && this.onBeforeRenderObservable.remove(this._onBeforeRenderObserver),
                    this._onBeforeRenderObserver = this.onBeforeRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onAfterRender", {
                set: function(e) {
                    this._onAfterRenderObserver && this.onAfterRenderObservable.remove(this._onAfterRenderObserver),
                    this._onAfterRenderObserver = this.onAfterRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onClear", {
                set: function(e) {
                    this._onClearObserver && this.onClearObservable.remove(this._onClearObserver),
                    this._onClearObserver = this.onClearObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "renderPassIds", {
                get: function() {
                    return this._renderPassIds
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "currentRefreshId", {
                get: function() {
                    return this._currentRefreshId
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setMaterialForRendering = function(e, t) {
                var i;
                i = Array.isArray(e) ? e : [e];
                for (var n = 0; n < i.length; ++n)
                    for (var r = 0; r < this._renderPassIds.length; ++r)
                        i[n].setMaterialForRenderPass(this._renderPassIds[r], void 0 !== t ? Array.isArray(t) ? t[r] : t : void 0)
            }
            ,
            Object.defineProperty(t.prototype, "renderTargetOptions", {
                get: function() {
                    return this._renderTargetOptions
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "renderTarget", {
                get: function() {
                    return this._renderTarget
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._onRatioRescale = function() {
                this._sizeRatio && this.resize(this._initialSizeParameter)
            }
            ,
            Object.defineProperty(t.prototype, "boundingBoxSize", {
                get: function() {
                    return this._boundingBoxSize
                },
                set: function(e) {
                    if (!this._boundingBoxSize || !this._boundingBoxSize.equals(e)) {
                        this._boundingBoxSize = e;
                        var t = this.getScene();
                        t && t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthStencilTexture", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this._renderTarget) || void 0 === e ? void 0 : e._depthStencilTexture) && void 0 !== t ? t : null
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.createDepthStencilTexture = function(e, t, i, n, r) {
                var o;
                void 0 === e && (e = 0),
                void 0 === t && (t = !0),
                void 0 === i && (i = !1),
                void 0 === n && (n = 1),
                void 0 === r && (r = a.TEXTUREFORMAT_DEPTH32_FLOAT),
                null === (o = this._renderTarget) || void 0 === o || o.createDepthStencilTexture(e, t, i, n, r)
            }
            ,
            t.prototype._releaseRenderPassId = function() {
                if (this._scene)
                    for (var e = this._scene.getEngine(), t = 0; t < this._renderPassIds.length; ++t)
                        e.releaseRenderPassId(this._renderPassIds[t]);
                this._renderPassIds = []
            }
            ,
            t.prototype._createRenderPassId = function() {
                this._releaseRenderPassId();
                for (var e = this._scene.getEngine(), t = this._isCubeData ? 6 : this.getRenderLayers() || 1, i = 0; i < t; ++i)
                    this._renderPassIds[i] = e.createRenderPassId("RenderTargetTexture - ".concat(this.name, "#").concat(i))
            }
            ,
            t.prototype._processSizeParameter = function(e) {
                if (e.ratio) {
                    this._sizeRatio = e.ratio;
                    var t = this._getEngine();
                    this._size = {
                        width: this._bestReflectionRenderTargetDimension(t.getRenderWidth(), this._sizeRatio),
                        height: this._bestReflectionRenderTargetDimension(t.getRenderHeight(), this._sizeRatio)
                    }
                } else
                    this._size = e;
                this._createRenderPassId()
            }
            ,
            Object.defineProperty(t.prototype, "samples", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this._renderTarget) || void 0 === e ? void 0 : e.samples) && void 0 !== t ? t : this._samples
                },
                set: function(e) {
                    this._renderTarget && (this._samples = this._renderTarget.setSamples(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.resetRefreshCounter = function() {
                this._currentRefreshId = -1
            }
            ,
            Object.defineProperty(t.prototype, "refreshRate", {
                get: function() {
                    return this._refreshRate
                },
                set: function(e) {
                    this._refreshRate = e,
                    this.resetRefreshCounter()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addPostProcess = function(e) {
                if (!this._postProcessManager) {
                    var t = this.getScene();
                    if (!t)
                        return;
                    this._postProcessManager = new Vi(t),
                    this._postProcesses = new Array
                }
                this._postProcesses.push(e),
                this._postProcesses[0].autoClear = !1
            }
            ,
            t.prototype.clearPostProcesses = function(e) {
                if (void 0 === e && (e = !1),
                this._postProcesses) {
                    if (e)
                        for (var t = 0, i = this._postProcesses; t < i.length; t++)
                            i[t].dispose();
                    this._postProcesses = []
                }
            }
            ,
            t.prototype.removePostProcess = function(e) {
                if (this._postProcesses) {
                    var t = this._postProcesses.indexOf(e);
                    -1 !== t && (this._postProcesses.splice(t, 1),
                    this._postProcesses.length > 0 && (this._postProcesses[0].autoClear = !1))
                }
            }
            ,
            t.prototype._shouldRender = function() {
                return -1 === this._currentRefreshId || this.refreshRate === this._currentRefreshId ? (this._currentRefreshId = 1,
                !0) : (this._currentRefreshId++,
                !1)
            }
            ,
            t.prototype.getRenderSize = function() {
                return this.getRenderWidth()
            }
            ,
            t.prototype.getRenderWidth = function() {
                return this._size.width ? this._size.width : this._size
            }
            ,
            t.prototype.getRenderHeight = function() {
                return this._size.width ? this._size.height : this._size
            }
            ,
            t.prototype.getRenderLayers = function() {
                return this._size.layers || 0
            }
            ,
            t.prototype.disableRescaling = function() {
                this._canRescale = !1
            }
            ,
            Object.defineProperty(t.prototype, "canRescale", {
                get: function() {
                    return this._canRescale
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.scale = function(e) {
                var t = Math.max(1, this.getRenderSize() * e);
                this.resize(t)
            }
            ,
            t.prototype.getReflectionTextureMatrix = function() {
                return this.isCube ? this._textureMatrix : e.prototype.getReflectionTextureMatrix.call(this)
            }
            ,
            t.prototype.resize = function(e) {
                var t, i = this.isCube;
                null === (t = this._renderTarget) || void 0 === t || t.dispose(),
                this._renderTarget = null;
                var n = this.getScene();
                n && (this._processSizeParameter(e),
                this._renderTarget = i ? n.getEngine().createRenderTargetCubeTexture(this.getRenderSize(), this._renderTargetOptions) : n.getEngine().createRenderTargetTexture(this._size, this._renderTargetOptions),
                this._texture = this._renderTarget.texture,
                void 0 !== this._renderTargetOptions.samples && (this.samples = this._renderTargetOptions.samples),
                this.onResizeObservable.hasObservers() && this.onResizeObservable.notifyObservers(this))
            }
            ,
            t.prototype.render = function(e, t) {
                void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                this._render(e, t)
            }
            ,
            t.prototype.isReadyForRendering = function() {
                return this._render(!1, !1, !0)
            }
            ,
            t.prototype._render = function(e, t, i) {
                var n;
                void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                void 0 === i && (i = !1);
                var r = this.getScene();
                if (!r)
                    return i;
                var o = r.getEngine();
                if (void 0 !== this.useCameraPostProcesses && (e = this.useCameraPostProcesses),
                this._waitingRenderList) {
                    this.renderList = [];
                    for (var a = 0; a < this._waitingRenderList.length; a++) {
                        var s = this._waitingRenderList[a];
                        (u = r.getMeshById(s)) && this.renderList.push(u)
                    }
                    this._waitingRenderList = void 0
                }
                if (this.renderListPredicate) {
                    this.renderList ? this.renderList.length = 0 : this.renderList = [];
                    var l = this.getScene();
                    if (!l)
                        return i;
                    var c = l.meshes;
                    for (a = 0; a < c.length; a++) {
                        var u = c[a];
                        this.renderListPredicate(u) && this.renderList.push(u)
                    }
                }
                var h = o.currentRenderPassId;
                this.onBeforeBindObservable.notifyObservers(this);
                var d = null !== (n = this.activeCamera) && void 0 !== n ? n : r.activeCamera;
                d && (d !== r.activeCamera && r.setTransformMatrix(d.getViewMatrix(), d.getProjectionMatrix(!0)),
                o.setViewport(d.viewport, this.getRenderWidth(), this.getRenderHeight())),
                this._defaultRenderListPrepared = !1;
                var p = i;
                if (i) {
                    r.getViewMatrix() || r.updateTransformMatrix();
                    var f = this.is2DArray ? this.getRenderLayers() : this.isCube ? 6 : 1;
                    for (y = 0; y < f && p; y++) {
                        var _ = null
                          , m = this.renderList ? this.renderList : r.getActiveMeshes().data
                          , g = this.renderList ? this.renderList.length : r.getActiveMeshes().length;
                        o.currentRenderPassId = this._renderPassIds[y],
                        this.onBeforeRenderObservable.notifyObservers(y),
                        this.getCustomRenderList && (_ = this.getCustomRenderList(y, m, g)),
                        _ || (_ = m),
                        this._doNotChangeAspectRatio || r.updateTransformMatrix(!0);
                        for (var v = 0; v < _.length && p; ++v)
                            if ((u = _[v]).isEnabled() && !u.isBlocked && u.isVisible && u.subMeshes)
                                if (this.customIsReadyFunction) {
                                    if (!this.customIsReadyFunction(u, this.refreshRate)) {
                                        p = !1;
                                        break
                                    }
                                } else if (!u.isReady(!0)) {
                                    p = !1;
                                    break
                                }
                        this.onAfterRenderObservable.notifyObservers(y)
                    }
                } else if (this.is2DArray)
                    for (var y = 0; y < this.getRenderLayers(); y++)
                        this._renderToTarget(0, e, t, y, d),
                        r.incrementRenderId(),
                        r.resetCachedMaterial();
                else if (this.isCube)
                    for (var b = 0; b < 6; b++)
                        this._renderToTarget(b, e, t, void 0, d),
                        r.incrementRenderId(),
                        r.resetCachedMaterial();
                else
                    this._renderToTarget(0, e, t, void 0, d);
                return this.onAfterUnbindObservable.notifyObservers(this),
                o.currentRenderPassId = h,
                r.activeCamera && ((r.getEngine().scenes.length > 1 || this.activeCamera && this.activeCamera !== r.activeCamera) && r.setTransformMatrix(r.activeCamera.getViewMatrix(), r.activeCamera.getProjectionMatrix(!0)),
                o.setViewport(r.activeCamera.viewport)),
                r.resetCachedMaterial(),
                p
            }
            ,
            t.prototype._bestReflectionRenderTargetDimension = function(e, t) {
                var i = e * t
                  , n = vr.NearestPOT(i + 16384 / (128 + i));
                return Math.min(vr.FloorPOT(e), n)
            }
            ,
            t.prototype._prepareRenderingManager = function(e, t, i, n) {
                var r = this.getScene();
                if (r) {
                    this._renderingManager.reset();
                    for (var o = r.getRenderId(), a = 0; a < t; a++) {
                        var s = e[a];
                        if (s && !s.isBlocked) {
                            if (this.customIsReadyFunction) {
                                if (!this.customIsReadyFunction(s, this.refreshRate)) {
                                    this.resetRefreshCounter();
                                    continue
                                }
                            } else if (!s.isReady(0 === this.refreshRate)) {
                                this.resetRefreshCounter();
                                continue
                            }
                            if (!s._internalAbstractMeshDataInfo._currentLODIsUpToDate && r.activeCamera && (s._internalAbstractMeshDataInfo._currentLOD = r.customLODSelector ? r.customLODSelector(s, this.activeCamera || r.activeCamera) : s.getLOD(this.activeCamera || r.activeCamera),
                            s._internalAbstractMeshDataInfo._currentLODIsUpToDate = !0),
                            !s._internalAbstractMeshDataInfo._currentLOD)
                                continue;
                            var l = s._internalAbstractMeshDataInfo._currentLOD;
                            l._preActivateForIntermediateRendering(o);
                            var c;
                            if (c = !(!n || !i) && 0 == (s.layerMask & i.layerMask),
                            s.isEnabled() && s.isVisible && s.subMeshes && !c && (l !== s && l._activate(o, !0),
                            s._activate(o, !0) && s.subMeshes.length)) {
                                s.isAnInstance ? s._internalAbstractMeshDataInfo._actAsRegularMesh && (l = s) : l._internalAbstractMeshDataInfo._onlyForInstancesIntermediate = !1,
                                l._internalAbstractMeshDataInfo._isActiveIntermediate = !0;
                                for (var u = 0; u < l.subMeshes.length; u++) {
                                    var h = l.subMeshes[u];
                                    this._renderingManager.dispatch(h, l)
                                }
                            }
                        }
                    }
                    for (var d = 0; d < r.particleSystems.length; d++) {
                        var p = r.particleSystems[d]
                          , f = p.emitter;
                        p.isStarted() && f && f.position && f.isEnabled() && e.indexOf(f) >= 0 && this._renderingManager.dispatchParticles(p)
                    }
                }
            }
            ,
            t.prototype._bindFrameBuffer = function(e, t) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0);
                var i = this.getScene();
                if (i) {
                    var n = i.getEngine();
                    this._renderTarget && n.bindFramebuffer(this._renderTarget, this.isCube ? e : void 0, void 0, void 0, this.ignoreCameraViewport, 0, t)
                }
            }
            ,
            t.prototype._unbindFrameBuffer = function(e, t) {
                var i = this;
                this._renderTarget && e.unBindFramebuffer(this._renderTarget, this.isCube, (function() {
                    i.onAfterRenderObservable.notifyObservers(t)
                }
                ))
            }
            ,
            t.prototype._prepareFrame = function(e, t, i, n) {
                this._postProcessManager ? this._prePassEnabled || this._postProcessManager._prepareFrame(this._texture, this._postProcesses) : n && e.postProcessManager._prepareFrame(this._texture) || this._bindFrameBuffer(t, i)
            }
            ,
            t.prototype._renderToTarget = function(e, t, i, n, r) {
                var o, s, l, c;
                void 0 === n && (n = 0),
                void 0 === r && (r = null);
                var u = this.getScene();
                if (u) {
                    var h = u.getEngine();
                    if (this._texture) {
                        if (null === (o = h._debugPushGroup) || void 0 === o || o.call(h, "render to face #".concat(e, " layer #").concat(n), 1),
                        this._prepareFrame(u, e, n, t),
                        this.is2DArray ? (h.currentRenderPassId = this._renderPassIds[n],
                        this.onBeforeRenderObservable.notifyObservers(n)) : (h.currentRenderPassId = this._renderPassIds[e],
                        this.onBeforeRenderObservable.notifyObservers(e)),
                        h.snapshotRendering && h.snapshotRenderingMode === a.SNAPSHOTRENDERING_FAST)
                            this.onClearObservable.hasObservers() ? this.onClearObservable.notifyObservers(h) : this.skipInitialClear || h.clear(this.clearColor || u.clearColor, !0, !0, !0);
                        else {
                            var d = null
                              , p = this.renderList ? this.renderList : u.getActiveMeshes().data
                              , f = this.renderList ? this.renderList.length : u.getActiveMeshes().length;
                            this.getCustomRenderList && (d = this.getCustomRenderList(this.is2DArray ? n : e, p, f)),
                            d ? this._prepareRenderingManager(d, d.length, r, !1) : (this._defaultRenderListPrepared || (this._prepareRenderingManager(p, f, r, !this.renderList),
                            this._defaultRenderListPrepared = !0),
                            d = p);
                            for (var _ = 0, m = u._beforeRenderTargetClearStage; _ < m.length; _++)
                                m[_].action(this, e, n);
                            this.onClearObservable.hasObservers() ? this.onClearObservable.notifyObservers(h) : this.skipInitialClear || h.clear(this.clearColor || u.clearColor, !0, !0, !0),
                            this._doNotChangeAspectRatio || u.updateTransformMatrix(!0);
                            for (var g = 0, v = u._beforeRenderTargetDrawStage; g < v.length; g++)
                                v[g].action(this, e, n);
                            this._renderingManager.render(this.customRenderFunction, d, this.renderParticles, this.renderSprites);
                            for (var y = 0, b = u._afterRenderTargetDrawStage; y < b.length; y++)
                                b[y].action(this, e, n);
                            var T = this._texture.generateMipMaps;
                            this._texture.generateMipMaps = !1,
                            this._postProcessManager ? this._postProcessManager._finalizeFrame(!1, null !== (s = this._renderTarget) && void 0 !== s ? s : void 0, e, this._postProcesses, this.ignoreCameraViewport) : t && u.postProcessManager._finalizeFrame(!1, null !== (l = this._renderTarget) && void 0 !== l ? l : void 0, e),
                            this._texture.generateMipMaps = T,
                            this._doNotChangeAspectRatio || u.updateTransformMatrix(!0),
                            i && gi.DumpFramebuffer(this.getRenderWidth(), this.getRenderHeight(), h)
                        }
                        this._unbindFrameBuffer(h, e),
                        this.isCube && 5 === e && h.generateMipMapsForCubemap(this._texture),
                        null === (c = h._debugPopGroup) || void 0 === c || c.call(h, 1)
                    }
                }
            }
            ,
            t.prototype.setRenderingOrder = function(e, t, i, n) {
                void 0 === t && (t = null),
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                this._renderingManager.setRenderingOrder(e, t, i, n)
            }
            ,
            t.prototype.setRenderingAutoClearDepthStencil = function(e, t) {
                this._renderingManager.setRenderingAutoClearDepthStencil(e, t),
                this._renderingManager._useSceneAutoClearSetup = !1
            }
            ,
            t.prototype.clone = function() {
                var e = this.getSize()
                  , i = new t(this.name,e,this.getScene(),this._renderTargetOptions.generateMipMaps,this._doNotChangeAspectRatio,this._renderTargetOptions.type,this.isCube,this._renderTargetOptions.samplingMode,this._renderTargetOptions.generateDepthBuffer,this._renderTargetOptions.generateStencilBuffer,void 0,this._renderTargetOptions.format,void 0,this._renderTargetOptions.samples);
                return i.hasAlpha = this.hasAlpha,
                i.level = this.level,
                i.coordinatesMode = this.coordinatesMode,
                this.renderList && (i.renderList = this.renderList.slice(0)),
                i
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var t = e.prototype.serialize.call(this);
                if (t.renderTargetSize = this.getRenderSize(),
                t.renderList = [],
                this.renderList)
                    for (var i = 0; i < this.renderList.length; i++)
                        t.renderList.push(this.renderList[i].id);
                return t
            }
            ,
            t.prototype.disposeFramebufferObjects = function() {
                var e;
                null === (e = this._renderTarget) || void 0 === e || e.dispose(!0)
            }
            ,
            t.prototype.releaseInternalTexture = function() {
                var e;
                null === (e = this._renderTarget) || void 0 === e || e.releaseTextures(),
                this._texture = null
            }
            ,
            t.prototype.dispose = function() {
                var t;
                this.onResizeObservable.clear(),
                this.onClearObservable.clear(),
                this.onAfterRenderObservable.clear(),
                this.onAfterUnbindObservable.clear(),
                this.onBeforeBindObservable.clear(),
                this.onBeforeRenderObservable.clear(),
                this._postProcessManager && (this._postProcessManager.dispose(),
                this._postProcessManager = null),
                this._prePassRenderTarget && this._prePassRenderTarget.dispose(),
                this._releaseRenderPassId(),
                this.clearPostProcesses(!0),
                this._resizeObserver && (this.getScene().getEngine().onResizeObservable.remove(this._resizeObserver),
                this._resizeObserver = null),
                this.renderList = null;
                var i = this.getScene();
                if (i) {
                    var n = i.customRenderTargets.indexOf(this);
                    n >= 0 && i.customRenderTargets.splice(n, 1);
                    for (var r = 0, o = i.cameras; r < o.length; r++) {
                        var a = o[r];
                        (n = a.customRenderTargets.indexOf(this)) >= 0 && a.customRenderTargets.splice(n, 1)
                    }
                    null === (t = this._renderTarget) || void 0 === t || t.dispose(),
                    this._renderTarget = null,
                    this._texture = null,
                    e.prototype.dispose.call(this)
                }
            }
            ,
            t.prototype._rebuild = function() {
                this.refreshRate === t.REFRESHRATE_RENDER_ONCE && (this.refreshRate = t.REFRESHRATE_RENDER_ONCE),
                this._postProcessManager && this._postProcessManager._rebuild()
            }
            ,
            t.prototype.freeRenderingGroups = function() {
                this._renderingManager && this._renderingManager.freeRenderingGroups()
            }
            ,
            t.prototype.getViewCount = function() {
                return 1
            }
            ,
            t.REFRESHRATE_RENDER_ONCE = 0,
            t.REFRESHRATE_RENDER_ONEVERYFRAME = 1,
            t.REFRESHRATE_RENDER_ONEVERYTWOFRAMES = 2,
            t
        }(io);
        io._CreateRenderTargetTexture = function(e, t, i, n, r) {
            return new ns(e,t,i,n)
        }
        ;
        var rs = function(e) {
            function t(t, i) {
                void 0 === i && (i = 512);
                var n = e.call(this, "multiview rtt", i, t, !1, !0, a.TEXTURETYPE_UNSIGNED_INT, !1, void 0, !1, !1, !0, void 0, !0) || this;
                return n._renderTarget = n.getScene().getEngine().createMultiviewRenderTargetTexture(n.getRenderWidth(), n.getRenderHeight()),
                n._texture = n._renderTarget.texture,
                n._texture.isMultiview = !0,
                n._texture.format = a.TEXTUREFORMAT_RGBA,
                n.samples = n._getEngine().getCaps().maxSamples || n.samples,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "samples", {
                set: function(e) {
                    this._samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._bindFrameBuffer = function() {
                this._renderTarget && this.getScene().getEngine().bindMultiviewFramebuffer(this._renderTarget)
            }
            ,
            t.prototype.getViewCount = function() {
                return 2
            }
            ,
            t
        }(ns);
        function os(e, t) {
            var i = new Fi(e,void 0,!0,t);
            return i.addUniform("viewProjection", 16),
            i.addUniform("viewProjectionR", 16),
            i.addUniform("view", 16),
            i.addUniform("projection", 16),
            i.addUniform("vEyePosition", 4),
            i
        }
        vr.prototype.createMultiviewRenderTargetTexture = function(e, t) {
            var i = this._gl;
            if (!this.getCaps().multiview)
                throw "Multiview is not supported";
            var n = this._createHardwareRenderTargetWrapper(!1, !1, {
                width: e,
                height: t
            });
            n._framebuffer = i.createFramebuffer();
            var r = new Lt(this,At.Unknown,!0);
            return r.width = e,
            r.height = t,
            r.isMultiview = !0,
            n._colorTextureArray = i.createTexture(),
            i.bindTexture(i.TEXTURE_2D_ARRAY, n._colorTextureArray),
            i.texStorage3D(i.TEXTURE_2D_ARRAY, 1, i.RGBA8, e, t, 2),
            n._depthStencilTextureArray = i.createTexture(),
            i.bindTexture(i.TEXTURE_2D_ARRAY, n._depthStencilTextureArray),
            i.texStorage3D(i.TEXTURE_2D_ARRAY, 1, i.DEPTH24_STENCIL8, e, t, 2),
            r.isReady = !0,
            n.setTextures(r),
            n._depthStencilTexture = r,
            n
        }
        ,
        vr.prototype.bindMultiviewFramebuffer = function(e) {
            var t = e
              , i = this._gl
              , n = this.getCaps().oculusMultiview || this.getCaps().multiview;
            if (this.bindFramebuffer(t, void 0, void 0, void 0, !0),
            i.bindFramebuffer(i.DRAW_FRAMEBUFFER, t._framebuffer),
            !t._colorTextureArray || !t._depthStencilTextureArray)
                throw "Invalid multiview frame buffer";
            this.getCaps().oculusMultiview ? (n.framebufferTextureMultisampleMultiviewOVR(i.DRAW_FRAMEBUFFER, i.COLOR_ATTACHMENT0, t._colorTextureArray, 0, t.samples, 0, 2),
            n.framebufferTextureMultisampleMultiviewOVR(i.DRAW_FRAMEBUFFER, i.DEPTH_STENCIL_ATTACHMENT, t._depthStencilTextureArray, 0, t.samples, 0, 2)) : (n.framebufferTextureMultiviewOVR(i.DRAW_FRAMEBUFFER, i.COLOR_ATTACHMENT0, t._colorTextureArray, 0, 0, 2),
            n.framebufferTextureMultiviewOVR(i.DRAW_FRAMEBUFFER, i.DEPTH_STENCIL_ATTACHMENT, t._depthStencilTextureArray, 0, 0, 2))
        }
        ,
        Rr.prototype._useMultiviewToSingleView = !1,
        Rr.prototype._multiviewTexture = null,
        Rr.prototype._resizeOrCreateMultiviewTexture = function(e, t) {
            this._multiviewTexture ? this._multiviewTexture.getRenderWidth() == e && this._multiviewTexture.getRenderHeight() == t || (this._multiviewTexture.dispose(),
            this._multiviewTexture = new rs(this.getScene(),{
                width: e,
                height: t
            })) : this._multiviewTexture = new rs(this.getScene(),{
                width: e,
                height: t
            })
        }
        ;
        var as = mn.prototype.createSceneUniformBuffer;
        mn.prototype._transformMatrixR = P.Zero(),
        mn.prototype._multiviewSceneUbo = null,
        mn.prototype._createMultiviewUbo = function() {
            this._multiviewSceneUbo = os(this.getEngine(), "scene_multiview")
        }
        ,
        mn.prototype.createSceneUniformBuffer = function(e) {
            return this._multiviewSceneUbo ? os(this.getEngine(), e) : as.bind(this)(e)
        }
        ,
        mn.prototype._updateMultiviewUbo = function(e, t) {
            e && t && e.multiplyToRef(t, this._transformMatrixR),
            e && t && (e.multiplyToRef(t, I.Matrix[0]),
            dn.GetRightPlaneToRef(I.Matrix[0], this._frustumPlanes[3])),
            this._multiviewSceneUbo && (this._multiviewSceneUbo.updateMatrix("viewProjection", this.getTransformMatrix()),
            this._multiviewSceneUbo.updateMatrix("viewProjectionR", this._transformMatrixR),
            this._multiviewSceneUbo.updateMatrix("view", this._viewMatrix),
            this._multiviewSceneUbo.updateMatrix("projection", this._projectionMatrix))
        }
        ,
        mn.prototype._renderMultiviewToSingleView = function(e) {
            e._resizeOrCreateMultiviewTexture(e._rigPostProcess && e._rigPostProcess && e._rigPostProcess.width > 0 ? e._rigPostProcess.width : this.getEngine().getRenderWidth(!0), e._rigPostProcess && e._rigPostProcess && e._rigPostProcess.height > 0 ? e._rigPostProcess.height : this.getEngine().getRenderHeight(!0)),
            this._multiviewSceneUbo || this._createMultiviewUbo(),
            e.outputRenderTarget = e._multiviewTexture,
            this._renderForCamera(e),
            e.outputRenderTarget = null;
            for (var t = 0; t < e._rigCameras.length; t++) {
                var i = this.getEngine();
                this._activeCamera = e._rigCameras[t],
                i.setViewport(this._activeCamera.viewport),
                this.postProcessManager && (this.postProcessManager._prepareFrame(),
                this.postProcessManager._finalizeFrame(this._activeCamera.isIntermediate))
            }
        }
        ;
        var ss = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, "vrMultiviewToSingleview", ["imageIndex"], ["multiviewSampler"], n, i, io.BILINEAR_SAMPLINGMODE) || this;
                return r.onSizeChangedObservable.add((function() {}
                )),
                r.onApplyObservable.add((function(e) {
                    i._scene.activeCamera && i._scene.activeCamera.isLeftCamera ? e.setInt("imageIndex", 0) : e.setInt("imageIndex", 1),
                    e.setTexture("multiviewSampler", i._multiviewTexture)
                }
                )),
                r
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VRMultiviewToSingleviewPostProcess"
            }
            ,
            t
        }(Ba);
        function ls(e, t) {
            var i = t.vrCameraMetrics || ts.GetDefault();
            e._rigCameras[0]._cameraRigParams.vrMetrics = i,
            e._rigCameras[0].viewport = new xr(0,0,.5,1),
            e._rigCameras[0]._cameraRigParams.vrWorkMatrix = new P,
            e._rigCameras[0]._cameraRigParams.vrHMatrix = i.leftHMatrix,
            e._rigCameras[0]._cameraRigParams.vrPreViewMatrix = i.leftPreViewMatrix,
            e._rigCameras[0].getProjectionMatrix = e._rigCameras[0]._getVRProjectionMatrix,
            e._rigCameras[1]._cameraRigParams.vrMetrics = i,
            e._rigCameras[1].viewport = new xr(.5,0,.5,1),
            e._rigCameras[1]._cameraRigParams.vrWorkMatrix = new P,
            e._rigCameras[1]._cameraRigParams.vrHMatrix = i.rightHMatrix,
            e._rigCameras[1]._cameraRigParams.vrPreViewMatrix = i.rightPreViewMatrix,
            e._rigCameras[1].getProjectionMatrix = e._rigCameras[1]._getVRProjectionMatrix,
            i.multiviewEnabled && (e.getScene().getEngine().getCaps().multiview ? (e._useMultiviewToSingleView = !0,
            e._rigPostProcess = new ss("VRMultiviewToSingleview",e,i.postProcessScaleFactor)) : (K.Warn("Multiview is not supported, falling back to standard rendering"),
            i.multiviewEnabled = !1)),
            i.compensateDistortion && (e._rigCameras[0]._rigPostProcess = new is("VR_Distort_Compensation_Left",e._rigCameras[0],!1,i),
            e._rigCameras[1]._rigPostProcess = new is("VR_Distort_Compensation_Right",e._rigCameras[1],!0,i))
        }
        Xe.AddNodeConstructor("VRDeviceOrientationArcRotateCamera", (function(e, t) {
            return function() {
                return new cs(e,0,0,1,x.Zero(),t)
            }
        }
        ));
        var cs = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                void 0 === s && (s = !0),
                void 0 === l && (l = ts.GetDefault());
                var c = e.call(this, t, i, n, r, o, a) || this;
                return c._setRigMode = ls.bind(null, c),
                l.compensateDistortion = s,
                c.setCameraRigMode(Rr.RIG_MODE_VR, {
                    vrCameraMetrics: l
                }),
                c.inputs.addVRDeviceOrientation(),
                c
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VRDeviceOrientationArcRotateCamera"
            }
            ,
            t
        }(_a);
        Xe.AddNodeConstructor("VRDeviceOrientationFreeCamera", (function(e, t) {
            return function() {
                return new us(e,x.Zero(),t)
            }
        }
        ));
        var us = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = ts.GetDefault());
                var a = e.call(this, t, i, n) || this;
                return a._setRigMode = ls.bind(null, a),
                o.compensateDistortion = r,
                a.setCameraRigMode(Rr.RIG_MODE_VR, {
                    vrCameraMetrics: o
                }),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VRDeviceOrientationFreeCamera"
            }
            ,
            t
        }(ma);
        Xe.AddNodeConstructor("VRDeviceOrientationGamepadCamera", (function(e, t) {
            return function() {
                return new hs(e,x.Zero(),t)
            }
        }
        ));
        var hs = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = ts.GetDefault());
                var a = e.call(this, t, i, n, r, o) || this;
                return a._setRigMode = ls.bind(null, a),
                a.inputs.addGamepad(),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VRDeviceOrientationGamepadCamera"
            }
            ,
            t
        }(us);
        Xe.AddNodeConstructor("Light_Type_3", (function(e, t) {
            return function() {
                return new ds(e,x.Zero(),t)
            }
        }
        ));
        var ds = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
                return r.groundColor = new D(0,0,0),
                r.direction = i || x.Up(),
                r
            }
            return U(t, e),
            t.prototype._buildUniformLayout = function() {
                this._uniformBuffer.addUniform("vLightData", 4),
                this._uniformBuffer.addUniform("vLightDiffuse", 4),
                this._uniformBuffer.addUniform("vLightSpecular", 4),
                this._uniformBuffer.addUniform("vLightGround", 3),
                this._uniformBuffer.addUniform("shadowsInfo", 3),
                this._uniformBuffer.addUniform("depthValues", 2),
                this._uniformBuffer.create()
            }
            ,
            t.prototype.getClassName = function() {
                return "HemisphericLight"
            }
            ,
            t.prototype.setDirectionToTarget = function(e) {
                return this.direction = x.Normalize(e.subtract(x.Zero())),
                this.direction
            }
            ,
            t.prototype.getShadowGenerator = function() {
                return null
            }
            ,
            t.prototype.transferToEffect = function(e, t) {
                var i = x.Normalize(this.direction);
                return this._uniformBuffer.updateFloat4("vLightData", i.x, i.y, i.z, 0, t),
                this._uniformBuffer.updateColor3("vLightGround", this.groundColor.scale(this.intensity), t),
                this
            }
            ,
            t.prototype.transferToNodeMaterialEffect = function(e, t) {
                var i = x.Normalize(this.direction);
                return e.setFloat3(t, i.x, i.y, i.z),
                this
            }
            ,
            t.prototype.computeWorldMatrix = function() {
                return this._worldMatrix || (this._worldMatrix = P.Identity()),
                this._worldMatrix
            }
            ,
            t.prototype.getTypeID = function() {
                return Cr.LIGHTTYPEID_HEMISPHERICLIGHT
            }
            ,
            t.prototype.prepareLightSpecificDefines = function(e, t) {
                e["HEMILIGHT" + t] = !0
            }
            ,
            k([Me()], t.prototype, "groundColor", void 0),
            k([De()], t.prototype, "direction", void 0),
            t
        }(Cr);
        function ps(e, t) {
            if (t.vrDisplay) {
                var i = t.vrDisplay.getEyeParameters("left")
                  , n = t.vrDisplay.getEyeParameters("right");
                e._rigCameras[0].viewport = new xr(0,0,.5,1),
                e._rigCameras[0].setCameraRigParameter("left", !0),
                e._rigCameras[0].setCameraRigParameter("specs", t.specs),
                e._rigCameras[0].setCameraRigParameter("eyeParameters", i),
                e._rigCameras[0].setCameraRigParameter("frameData", t.frameData),
                e._rigCameras[0].setCameraRigParameter("parentCamera", t.parentCamera),
                e._rigCameras[0]._cameraRigParams.vrWorkMatrix = new P,
                e._rigCameras[0].getProjectionMatrix = e._getWebVRProjectionMatrix,
                e._rigCameras[0].parent = e,
                e._rigCameras[0]._getViewMatrix = e._getWebVRViewMatrix,
                e._rigCameras[1].viewport = new xr(.5,0,.5,1),
                e._rigCameras[1].setCameraRigParameter("eyeParameters", n),
                e._rigCameras[1].setCameraRigParameter("specs", t.specs),
                e._rigCameras[1].setCameraRigParameter("frameData", t.frameData),
                e._rigCameras[1].setCameraRigParameter("parentCamera", t.parentCamera),
                e._rigCameras[1]._cameraRigParams.vrWorkMatrix = new P,
                e._rigCameras[1].getProjectionMatrix = e._getWebVRProjectionMatrix,
                e._rigCameras[1].parent = e,
                e._rigCameras[1]._getViewMatrix = e._getWebVRViewMatrix
            }
        }
        Object.defineProperty(vr.prototype, "isInVRExclusivePointerMode", {
            get: function() {
                return this._vrExclusivePointerMode
            },
            enumerable: !0,
            configurable: !0
        }),
        vr.prototype._prepareVRComponent = function() {
            this._vrSupported = !1,
            this._vrExclusivePointerMode = !1,
            this.onVRDisplayChangedObservable = new h,
            this.onVRRequestPresentComplete = new h,
            this.onVRRequestPresentStart = new h
        }
        ,
        vr.prototype.isVRDevicePresent = function() {
            return !!this._vrDisplay
        }
        ,
        vr.prototype.getVRDevice = function() {
            return this._vrDisplay
        }
        ,
        vr.prototype.initWebVR = function() {
            return this.initWebVRAsync(),
            this.onVRDisplayChangedObservable
        }
        ,
        vr.prototype.initWebVRAsync = function() {
            var e = this
              , t = function() {
                var t = {
                    vrDisplay: e._vrDisplay,
                    vrSupported: e._vrSupported
                };
                e.onVRDisplayChangedObservable.notifyObservers(t),
                e._webVRInitPromise = new Promise((function(e) {
                    e(t)
                }
                ))
            };
            if (!this._onVrDisplayConnect) {
                this._onVrDisplayConnect = function(i) {
                    e._vrDisplay = i.display,
                    t()
                }
                ,
                this._onVrDisplayDisconnect = function() {
                    e._vrDisplay.cancelAnimationFrame(e._frameHandler),
                    e._vrDisplay = void 0,
                    e._frameHandler = vr.QueueNewFrame(e._boundRenderFunction),
                    t()
                }
                ,
                this._onVrDisplayPresentChange = function() {
                    e._vrExclusivePointerMode = e._vrDisplay && e._vrDisplay.isPresenting
                }
                ;
                var i = this.getHostWindow();
                i && (i.addEventListener("vrdisplayconnect", this._onVrDisplayConnect),
                i.addEventListener("vrdisplaydisconnect", this._onVrDisplayDisconnect),
                i.addEventListener("vrdisplaypresentchange", this._onVrDisplayPresentChange))
            }
            return this._webVRInitPromise = this._webVRInitPromise || this._getVRDisplaysAsync(),
            this._webVRInitPromise.then(t),
            this._webVRInitPromise
        }
        ,
        vr.prototype._getVRDisplaysAsync = function() {
            var e = this;
            return new Promise((function(t) {
                navigator.getVRDisplays ? navigator.getVRDisplays().then((function(i) {
                    e._vrSupported = !0,
                    e._vrDisplay = i[0],
                    t({
                        vrDisplay: e._vrDisplay,
                        vrSupported: e._vrSupported
                    })
                }
                )) : (e._vrDisplay = void 0,
                e._vrSupported = !1,
                t({
                    vrDisplay: e._vrDisplay,
                    vrSupported: e._vrSupported
                }))
            }
            ))
        }
        ,
        vr.prototype.enableVR = function(e) {
            var t = this;
            if (this._vrDisplay && !this._vrDisplay.isPresenting) {
                this.onVRRequestPresentStart.notifyObservers(this);
                var i = {
                    highRefreshRate: !!this.vrPresentationAttributes && this.vrPresentationAttributes.highRefreshRate,
                    foveationLevel: this.vrPresentationAttributes ? this.vrPresentationAttributes.foveationLevel : 1,
                    multiview: (this.getCaps().multiview || this.getCaps().oculusMultiview) && e.useMultiview
                };
                this._vrDisplay.requestPresent([V({
                    source: this.getRenderingCanvas(),
                    attributes: i
                }, i)]).then((function() {
                    t.onVRRequestPresentComplete.notifyObservers(!0),
                    t._onVRFullScreenTriggered()
                }
                )).catch((function() {
                    t.onVRRequestPresentComplete.notifyObservers(!1)
                }
                ))
            }
        }
        ,
        vr.prototype._onVRFullScreenTriggered = function() {
            if (this._vrDisplay && this._vrDisplay.isPresenting) {
                this._oldSize = new je(this.getRenderWidth(),this.getRenderHeight()),
                this._oldHardwareScaleFactor = this.getHardwareScalingLevel();
                var e = this._vrDisplay.getEyeParameters("left");
                this.setHardwareScalingLevel(1),
                this.setSize(2 * e.renderWidth, e.renderHeight)
            } else
                this.setHardwareScalingLevel(this._oldHardwareScaleFactor),
                this.setSize(this._oldSize.width, this._oldSize.height)
        }
        ,
        vr.prototype.disableVR = function() {
            var e = this;
            this._vrDisplay && this._vrDisplay.isPresenting && this._vrDisplay.exitPresent().then((function() {
                return e._onVRFullScreenTriggered()
            }
            )).catch((function() {
                return e._onVRFullScreenTriggered()
            }
            )),
            nt() && (window.removeEventListener("vrdisplaypointerrestricted", this._onVRDisplayPointerRestricted),
            window.removeEventListener("vrdisplaypointerunrestricted", this._onVRDisplayPointerUnrestricted),
            this._onVrDisplayConnect && (window.removeEventListener("vrdisplayconnect", this._onVrDisplayConnect),
            this._onVrDisplayDisconnect && window.removeEventListener("vrdisplaydisconnect", this._onVrDisplayDisconnect),
            this._onVrDisplayPresentChange && window.removeEventListener("vrdisplaypresentchange", this._onVrDisplayPresentChange),
            this._onVrDisplayConnect = null,
            this._onVrDisplayDisconnect = null))
        }
        ,
        vr.prototype._connectVREvents = function(e, t) {
            var i = this;
            if (this._onVRDisplayPointerRestricted = function() {
                e && e.requestPointerLock()
            }
            ,
            this._onVRDisplayPointerUnrestricted = function() {
                if (t)
                    t.exitPointerLock && t.exitPointerLock();
                else {
                    var e = i.getHostWindow();
                    e.document && e.document.exitPointerLock && e.document.exitPointerLock()
                }
            }
            ,
            nt()) {
                var n = this.getHostWindow();
                n.addEventListener("vrdisplaypointerrestricted", this._onVRDisplayPointerRestricted, !1),
                n.addEventListener("vrdisplaypointerunrestricted", this._onVRDisplayPointerUnrestricted, !1)
            }
        }
        ,
        vr.prototype._submitVRFrame = function() {
            if (this._vrDisplay && this._vrDisplay.isPresenting)
                try {
                    this._vrDisplay.submitFrame()
                } catch (e) {
                    gi.Warn("webVR submitFrame has had an unexpected failure: " + e)
                }
        }
        ,
        vr.prototype.isVRPresenting = function() {
            return this._vrDisplay && this._vrDisplay.isPresenting
        }
        ,
        vr.prototype._requestVRFrame = function() {
            this._frameHandler = vr.QueueNewFrame(this._boundRenderFunction, this._vrDisplay)
        }
        ,
        Xe.AddNodeConstructor("WebVRFreeCamera", (function(e, t) {
            return function() {
                return new fs(e,x.Zero(),t)
            }
        }
        )),
        Xe.AddNodeConstructor("WebVRGamepadCamera", (function(e, t) {
            return function() {
                return new fs(e,x.Zero(),t)
            }
        }
        ));
        var fs = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = {});
                var o = e.call(this, t, i, n) || this;
                o._webVROptions = r,
                o._vrDevice = null,
                o.rawPose = null,
                o._specsVersion = "1.1",
                o._attached = !1,
                o._descendants = [],
                o._deviceRoomPosition = x.Zero(),
                o._deviceRoomRotationQuaternion = C.Identity(),
                o._standingMatrix = null,
                o.devicePosition = x.Zero(),
                o.deviceRotationQuaternion = C.Identity(),
                o.deviceScaleFactor = 1,
                o._deviceToWorld = P.Identity(),
                o._worldToDevice = P.Identity(),
                o.controllers = [],
                o.onControllersAttachedObservable = new h,
                o.onControllerMeshLoadedObservable = new h,
                o.onPoseUpdatedFromDeviceObservable = new h,
                o._poseSet = !1,
                o.rigParenting = !0,
                o._defaultHeight = void 0,
                o._setRigMode = ps.bind(null, o),
                o._detachIfAttached = function() {
                    var e = o.getEngine().getVRDevice();
                    e && !e.isPresenting && o.detachControl()
                }
                ,
                o._workingVector = x.Zero(),
                o._oneVector = x.One(),
                o._workingMatrix = P.Identity(),
                o._tmpMatrix = new P,
                o._cache.position = x.Zero(),
                r.defaultHeight && (o._defaultHeight = r.defaultHeight,
                o.position.y = o._defaultHeight),
                o.minZ = .1,
                5 === arguments.length && (o._webVROptions = arguments[4]),
                null == o._webVROptions.trackPosition && (o._webVROptions.trackPosition = !0),
                null == o._webVROptions.controllerMeshes && (o._webVROptions.controllerMeshes = !0),
                null == o._webVROptions.defaultLightingOnControllers && (o._webVROptions.defaultLightingOnControllers = !0),
                o.rotationQuaternion = new C,
                o._webVROptions && o._webVROptions.positionScale && (o.deviceScaleFactor = o._webVROptions.positionScale);
                var a = o.getEngine();
                return o._onVREnabled = function(e) {
                    e && o.initControllers()
                }
                ,
                a.onVRRequestPresentComplete.add(o._onVREnabled),
                a.initWebVR().add((function(e) {
                    e.vrDisplay && o._vrDevice !== e.vrDisplay && (o._vrDevice = e.vrDisplay,
                    o.setCameraRigMode(Rr.RIG_MODE_WEBVR, {
                        parentCamera: o,
                        vrDisplay: o._vrDevice,
                        frameData: o._frameData,
                        specs: o._specsVersion
                    }),
                    o._attached && o.getEngine().enableVR(o._webVROptions))
                }
                )),
                "undefined" != typeof VRFrameData && (o._frameData = new VRFrameData),
                r.useMultiview && (o.getScene().getEngine().getCaps().multiview ? (o._useMultiviewToSingleView = !0,
                o._rigPostProcess = new ss("VRMultiviewToSingleview",o,1)) : (K.Warn("Multiview is not supported, falling back to standard rendering"),
                o._useMultiviewToSingleView = !1)),
                o.getScene().onBeforeCameraRenderObservable.add((function(e) {
                    e.parent === o && o.rigParenting && (o._descendants = o.getDescendants(!0, (function(e) {
                        var t = o.controllers.some((function(t) {
                            return t._mesh === e
                        }
                        ))
                          , i = -1 !== o._rigCameras.indexOf(e);
                        return !t && !i
                    }
                    )),
                    o._descendants.forEach((function(t) {
                        t.parent = e
                    }
                    )))
                }
                )),
                o.getScene().onAfterCameraRenderObservable.add((function(e) {
                    e.parent === o && o.rigParenting && o._descendants.forEach((function(e) {
                        e.parent = o
                    }
                    ))
                }
                )),
                o
            }
            return U(t, e),
            t.prototype.deviceDistanceToRoomGround = function() {
                return this._standingMatrix ? (this._standingMatrix.getTranslationToRef(this._workingVector),
                this._deviceRoomPosition.y + this._workingVector.y) : this._defaultHeight || 0
            }
            ,
            t.prototype.useStandingMatrix = function(e) {
                var t = this;
                void 0 === e && (e = function(e) {}
                ),
                this.getEngine().initWebVRAsync().then((function(i) {
                    i.vrDisplay && i.vrDisplay.stageParameters && i.vrDisplay.stageParameters.sittingToStandingTransform && t._webVROptions.trackPosition ? (t._standingMatrix = new P,
                    P.FromFloat32ArrayToRefScaled(i.vrDisplay.stageParameters.sittingToStandingTransform, 0, 1, t._standingMatrix),
                    t.getScene().useRightHandedSystem || t._standingMatrix && t._standingMatrix.toggleModelMatrixHandInPlace(),
                    e(!0)) : e(!1)
                }
                ))
            }
            ,
            t.prototype.useStandingMatrixAsync = function() {
                var e = this;
                return new Promise((function(t) {
                    e.useStandingMatrix((function(e) {
                        t(e)
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.dispose = function() {
                this._detachIfAttached(),
                this.getEngine().onVRRequestPresentComplete.removeCallback(this._onVREnabled),
                this._updateCacheWhenTrackingDisabledObserver && this._scene.onBeforeRenderObservable.remove(this._updateCacheWhenTrackingDisabledObserver),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getControllerByName = function(e) {
                for (var t = 0, i = this.controllers; t < i.length; t++) {
                    var n = i[t];
                    if (n.hand === e)
                        return n
                }
                return null
            }
            ,
            Object.defineProperty(t.prototype, "leftController", {
                get: function() {
                    return this._leftController || (this._leftController = this.getControllerByName("left")),
                    this._leftController
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rightController", {
                get: function() {
                    return this._rightController || (this._rightController = this.getControllerByName("right")),
                    this._rightController
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getForwardRay = function(t) {
                return void 0 === t && (t = 100),
                this.leftCamera ? e.prototype.getForwardRay.call(this, t, this.leftCamera.getWorldMatrix(), this.leftCamera.globalPosition) : e.prototype.getForwardRay.call(this, t)
            }
            ,
            t.prototype._checkInputs = function() {
                this._vrDevice && this._vrDevice.isPresenting && (this._vrDevice.getFrameData(this._frameData),
                this.updateFromDevice(this._frameData.pose)),
                e.prototype._checkInputs.call(this)
            }
            ,
            t.prototype.updateFromDevice = function(e) {
                e && e.orientation && 4 === e.orientation.length && (this.rawPose = e,
                this._deviceRoomRotationQuaternion.copyFromFloats(e.orientation[0], e.orientation[1], -e.orientation[2], -e.orientation[3]),
                this.getScene().useRightHandedSystem && (this._deviceRoomRotationQuaternion.z *= -1,
                this._deviceRoomRotationQuaternion.w *= -1),
                this._webVROptions.trackPosition && this.rawPose.position && (this._deviceRoomPosition.copyFromFloats(this.rawPose.position[0], this.rawPose.position[1], -this.rawPose.position[2]),
                this.getScene().useRightHandedSystem && (this._deviceRoomPosition.z *= -1)),
                this._poseSet = !0)
            }
            ,
            t.prototype.attachControl = function(t) {
                t = gi.BackCompatCameraNoPreventDefault(arguments),
                e.prototype.attachControl.call(this, t),
                this._attached = !0,
                t = !Rr.ForceAttachControlToAlwaysPreventDefault && t,
                this._vrDevice && this.getEngine().enableVR(this._webVROptions);
                var i = this._scene.getEngine().getHostWindow();
                i && i.addEventListener("vrdisplaypresentchange", this._detachIfAttached)
            }
            ,
            t.prototype.detachControl = function() {
                this.getScene().gamepadManager.onGamepadConnectedObservable.remove(this._onGamepadConnectedObserver),
                this.getScene().gamepadManager.onGamepadDisconnectedObservable.remove(this._onGamepadDisconnectedObserver),
                e.prototype.detachControl.call(this),
                this._attached = !1,
                this.getEngine().disableVR(),
                window.removeEventListener("vrdisplaypresentchange", this._detachIfAttached)
            }
            ,
            t.prototype.getClassName = function() {
                return "WebVRFreeCamera"
            }
            ,
            t.prototype.resetToCurrentRotation = function() {
                this._vrDevice.resetPose()
            }
            ,
            t.prototype._updateRigCameras = function() {
                var e = this._rigCameras[0]
                  , t = this._rigCameras[1];
                e.rotationQuaternion.copyFrom(this._deviceRoomRotationQuaternion),
                t.rotationQuaternion.copyFrom(this._deviceRoomRotationQuaternion),
                e.position.copyFrom(this._deviceRoomPosition),
                t.position.copyFrom(this._deviceRoomPosition)
            }
            ,
            t.prototype._correctPositionIfNotTrackPosition = function(e, t) {
                void 0 === t && (t = !1),
                this.rawPose && this.rawPose.position && !this._webVROptions.trackPosition && (P.TranslationToRef(this.rawPose.position[0], this.rawPose.position[1], -this.rawPose.position[2], this._tmpMatrix),
                t || this._tmpMatrix.invert(),
                this._tmpMatrix.multiplyToRef(e, e))
            }
            ,
            t.prototype._updateCache = function(t) {
                var i = this;
                this.rotationQuaternion.equals(this._cache.rotationQuaternion) && this.position.equals(this._cache.position) || (this._updateCacheCalled || (this._updateCacheCalled = !0,
                this.update()),
                this.rotationQuaternion.toRotationMatrix(this._workingMatrix),
                x.TransformCoordinatesToRef(this._deviceRoomPosition, this._workingMatrix, this._workingVector),
                this.devicePosition.subtractToRef(this._workingVector, this._workingVector),
                P.ComposeToRef(this._oneVector, this.rotationQuaternion, this._workingVector, this._deviceToWorld),
                this._deviceToWorld.getTranslationToRef(this._workingVector),
                this._workingVector.addInPlace(this.position),
                this._workingVector.subtractInPlace(this._cache.position),
                this._deviceToWorld.setTranslation(this._workingVector),
                this._deviceToWorld.invertToRef(this._worldToDevice),
                this.controllers.forEach((function(e) {
                    e._deviceToWorld.copyFrom(i._deviceToWorld),
                    i._correctPositionIfNotTrackPosition(e._deviceToWorld),
                    e.update()
                }
                ))),
                t || e.prototype._updateCache.call(this),
                this._updateCacheCalled = !1
            }
            ,
            t.prototype._computeDevicePosition = function() {
                x.TransformCoordinatesToRef(this._deviceRoomPosition, this._deviceToWorld, this.devicePosition)
            }
            ,
            t.prototype.update = function() {
                this._computeDevicePosition(),
                P.FromQuaternionToRef(this._deviceRoomRotationQuaternion, this._workingMatrix),
                this._workingMatrix.multiplyToRef(this._deviceToWorld, this._workingMatrix),
                C.FromRotationMatrixToRef(this._workingMatrix, this.deviceRotationQuaternion),
                this._poseSet && this.onPoseUpdatedFromDeviceObservable.notifyObservers(null),
                e.prototype.update.call(this)
            }
            ,
            t.prototype._getViewMatrix = function() {
                return P.Identity()
            }
            ,
            t.prototype._getWebVRViewMatrix = function() {
                var e = this._cameraRigParams.parentCamera;
                e._updateCache();
                var t = this._cameraRigParams.left ? this._cameraRigParams.frameData.leftViewMatrix : this._cameraRigParams.frameData.rightViewMatrix;
                return P.FromArrayToRef(t, 0, this._webvrViewMatrix),
                this.getScene().useRightHandedSystem || this._webvrViewMatrix.toggleModelMatrixHandInPlace(),
                this._webvrViewMatrix.getRotationMatrixToRef(this._cameraRotationMatrix),
                x.TransformCoordinatesToRef(this._referencePoint, this._cameraRotationMatrix, this._transformedReferencePoint),
                this.position.addToRef(this._transformedReferencePoint, this._currentTarget),
                1 !== e.deviceScaleFactor && (this._webvrViewMatrix.invert(),
                e.deviceScaleFactor && (this._webvrViewMatrix.multiplyAtIndex(12, e.deviceScaleFactor),
                this._webvrViewMatrix.multiplyAtIndex(13, e.deviceScaleFactor),
                this._webvrViewMatrix.multiplyAtIndex(14, e.deviceScaleFactor)),
                this._webvrViewMatrix.invert()),
                e._correctPositionIfNotTrackPosition(this._webvrViewMatrix, !0),
                e._worldToDevice.multiplyToRef(this._webvrViewMatrix, this._webvrViewMatrix),
                this._workingMatrix = this._workingMatrix || P.Identity(),
                this._webvrViewMatrix.invertToRef(this._workingMatrix),
                this._workingMatrix.multiplyToRef(e.getWorldMatrix(), this._workingMatrix),
                this._workingMatrix.getTranslationToRef(this._globalPosition),
                this._markSyncedWithParent(),
                this._webvrViewMatrix
            }
            ,
            t.prototype._getWebVRProjectionMatrix = function() {
                var e = this.parent;
                e._vrDevice.depthNear = e.minZ,
                e._vrDevice.depthFar = e.maxZ;
                var t = this._cameraRigParams.left ? this._cameraRigParams.frameData.leftProjectionMatrix : this._cameraRigParams.frameData.rightProjectionMatrix;
                return P.FromArrayToRef(t, 0, this._projectionMatrix),
                this.getScene().useRightHandedSystem || this._projectionMatrix.toggleProjectionMatrixHandInPlace(),
                this._projectionMatrix
            }
            ,
            t.prototype.initControllers = function() {
                var e = this;
                this.controllers = [];
                var t = this.getScene().gamepadManager;
                this._onGamepadDisconnectedObserver = t.onGamepadDisconnectedObservable.add((function(t) {
                    if (t.type === zo.POSE_ENABLED) {
                        var i = t;
                        i.defaultModel && i.defaultModel.setEnabled(!1),
                        "right" === i.hand && (e._rightController = null),
                        "left" === i.hand && (e._leftController = null);
                        var n = e.controllers.indexOf(i);
                        -1 !== n && e.controllers.splice(n, 1)
                    }
                }
                )),
                this._onGamepadConnectedObserver = t.onGamepadConnectedObservable.add((function(t) {
                    if (t.type === zo.POSE_ENABLED) {
                        var i = t;
                        if (e._webVROptions.trackPosition || (i._disableTrackPosition(new x("left" == i.hand ? -.15 : .15,-.5,.25)),
                        e._updateCacheWhenTrackingDisabledObserver || (e._updateCacheWhenTrackingDisabledObserver = e._scene.onBeforeRenderObservable.add((function() {
                            e._updateCache()
                        }
                        )))),
                        i.deviceScaleFactor = e.deviceScaleFactor,
                        i._deviceToWorld.copyFrom(e._deviceToWorld),
                        e._correctPositionIfNotTrackPosition(i._deviceToWorld),
                        e._webVROptions.controllerMeshes && (i.defaultModel ? i.defaultModel.setEnabled(!0) : i.initControllerMesh(e.getScene(), (function(t) {
                            if (t.scaling.scaleInPlace(e.deviceScaleFactor),
                            e.onControllerMeshLoadedObservable.notifyObservers(i),
                            e._webVROptions.defaultLightingOnControllers) {
                                e._lightOnControllers || (e._lightOnControllers = new ds("vrControllersLight",new x(0,1,0),e.getScene()));
                                var n = function(e, t) {
                                    var i = e.getChildren();
                                    i && 0 !== i.length && i.forEach((function(e) {
                                        t.includedOnlyMeshes.push(e),
                                        n(e, t)
                                    }
                                    ))
                                };
                                e._lightOnControllers.includedOnlyMeshes.push(t),
                                n(t, e._lightOnControllers)
                            }
                        }
                        ))),
                        i.attachToPoseControlledCamera(e),
                        -1 === e.controllers.indexOf(i)) {
                            e.controllers.push(i);
                            for (var n = !1, r = 0; r < e.controllers.length; r++)
                                e.controllers[r].controllerType === ba.VIVE && (n ? e.controllers[r].hand = "right" : (n = !0,
                                e.controllers[r].hand = "left"));
                            e.controllers.length >= 2 && e.onControllersAttachedObservable.notifyObservers(e.controllers)
                        }
                    }
                }
                ))
            }
            ,
            t
        }(pa)
          , _s = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.onTriggerStateChangedObservable = new h,
                i.onMainButtonStateChangedObservable = new h,
                i.onSecondaryButtonStateChangedObservable = new h,
                i.onPadStateChangedObservable = new h,
                i.onPadValuesChangedObservable = new h,
                i.pad = {
                    x: 0,
                    y: 0
                },
                i._changes = {
                    pressChanged: !1,
                    touchChanged: !1,
                    valueChanged: !1,
                    changed: !1
                },
                i._buttons = new Array(t.buttons.length),
                i.hand = t.hand,
                i
            }
            return U(t, e),
            t.prototype.onButtonStateChange = function(e) {
                this._onButtonStateChange = e
            }
            ,
            Object.defineProperty(t.prototype, "defaultModel", {
                get: function() {
                    return this._defaultModel
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.update = function() {
                e.prototype.update.call(this);
                for (var t = 0; t < this._buttons.length; t++)
                    this._setButtonValue(this.browserGamepad.buttons[t], this._buttons[t], t);
                this.leftStick.x === this.pad.x && this.leftStick.y === this.pad.y || (this.pad.x = this.leftStick.x,
                this.pad.y = this.leftStick.y,
                this.onPadValuesChangedObservable.notifyObservers(this.pad))
            }
            ,
            t.prototype._setButtonValue = function(e, t, i) {
                e || (e = {
                    pressed: !1,
                    touched: !1,
                    value: 0
                }),
                t ? (this._checkChanges(e, t),
                this._changes.changed && (this._onButtonStateChange && this._onButtonStateChange(this.index, i, e),
                this._handleButtonChange(i, e, this._changes)),
                this._buttons[i].pressed = e.pressed,
                this._buttons[i].touched = e.touched,
                this._buttons[i].value = e.value < 1e-8 ? 0 : e.value) : this._buttons[i] = {
                    pressed: e.pressed,
                    touched: e.touched,
                    value: e.value
                }
            }
            ,
            t.prototype._checkChanges = function(e, t) {
                return this._changes.pressChanged = e.pressed !== t.pressed,
                this._changes.touchChanged = e.touched !== t.touched,
                this._changes.valueChanged = e.value !== t.value,
                this._changes.changed = this._changes.pressChanged || this._changes.touchChanged || this._changes.valueChanged,
                this._changes
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._defaultModel = null,
                this.onTriggerStateChangedObservable.clear(),
                this.onMainButtonStateChangedObservable.clear(),
                this.onSecondaryButtonStateChangedObservable.clear(),
                this.onPadStateChangedObservable.clear(),
                this.onPadValuesChangedObservable.clear()
            }
            ,
            t
        }(Ra)
          , ms = function() {
            function e() {
                this.previousWorldMatrices = {},
                this.previousBones = {}
            }
            return e.AddUniforms = function(e) {
                e.push("previousWorld", "previousViewProjection", "mPreviousBones")
            }
            ,
            e.AddSamplers = function(e) {}
            ,
            e.prototype.bindForSubMesh = function(e, t, i, n, r) {
                if (t.prePassRenderer && t.prePassRenderer.enabled && t.prePassRenderer.currentRTisSceneRT && -1 !== t.prePassRenderer.getIndex(a.PREPASS_VELOCITY_TEXTURE_TYPE)) {
                    this.previousWorldMatrices[i.uniqueId] || (this.previousWorldMatrices[i.uniqueId] = n.clone()),
                    this.previousViewProjection || (this.previousViewProjection = t.getTransformMatrix().clone(),
                    this.currentViewProjection = t.getTransformMatrix().clone());
                    var o = t.getEngine();
                    this.currentViewProjection.updateFlag !== t.getTransformMatrix().updateFlag ? (this._lastUpdateFrameId = o.frameId,
                    this.previousViewProjection.copyFrom(this.currentViewProjection),
                    this.currentViewProjection.copyFrom(t.getTransformMatrix())) : this._lastUpdateFrameId !== o.frameId && (this._lastUpdateFrameId = o.frameId,
                    this.previousViewProjection.copyFrom(this.currentViewProjection)),
                    e.setMatrix("previousWorld", this.previousWorldMatrices[i.uniqueId]),
                    e.setMatrix("previousViewProjection", this.previousViewProjection),
                    this.previousWorldMatrices[i.uniqueId] = n.clone()
                }
            }
            ,
            e
        }()
          , gs = function(e) {
            function t(t, i, n) {
                void 0 === n && (n = !0);
                var r = e.call(this, t, i) || this;
                return r._normalMatrix = new P,
                r._storeEffectOnSubMeshes = n,
                r
            }
            return U(t, e),
            t.prototype.getEffect = function() {
                return this._storeEffectOnSubMeshes ? this._activeEffect : e.prototype.getEffect.call(this)
            }
            ,
            t.prototype.isReady = function(e, t) {
                return !!e && (!this._storeEffectOnSubMeshes || !e.subMeshes || 0 === e.subMeshes.length || this.isReadyForSubMesh(e, e.subMeshes[0], t))
            }
            ,
            t.prototype._isReadyForSubMesh = function(e) {
                var t = e.materialDefines;
                return !(this.checkReadyOnEveryCall || !e.effect || !t || t._renderId !== this.getScene().getRenderId())
            }
            ,
            t.prototype.bindOnlyWorldMatrix = function(e) {
                this._activeEffect.setMatrix("world", e)
            }
            ,
            t.prototype.bindOnlyNormalMatrix = function(e) {
                this._activeEffect.setMatrix("normalMatrix", e)
            }
            ,
            t.prototype.bind = function(e, t) {
                t && this.bindForSubMesh(e, t, t.subMeshes[0])
            }
            ,
            t.prototype._afterBind = function(t, i) {
                void 0 === i && (i = null),
                e.prototype._afterBind.call(this, t, i),
                this.getScene()._cachedEffect = i
            }
            ,
            t.prototype._mustRebind = function(e, t, i) {
                return void 0 === i && (i = 1),
                e.isCachedMaterialInvalid(this, t, i)
            }
            ,
            t
        }(Or)
          , vs = function() {
            function e() {}
            return Object.defineProperty(e, "DiffuseTextureEnabled", {
                get: function() {
                    return this._DiffuseTextureEnabled
                },
                set: function(e) {
                    this._DiffuseTextureEnabled !== e && (this._DiffuseTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "DetailTextureEnabled", {
                get: function() {
                    return this._DetailTextureEnabled
                },
                set: function(e) {
                    this._DetailTextureEnabled !== e && (this._DetailTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "AmbientTextureEnabled", {
                get: function() {
                    return this._AmbientTextureEnabled
                },
                set: function(e) {
                    this._AmbientTextureEnabled !== e && (this._AmbientTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "OpacityTextureEnabled", {
                get: function() {
                    return this._OpacityTextureEnabled
                },
                set: function(e) {
                    this._OpacityTextureEnabled !== e && (this._OpacityTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ReflectionTextureEnabled", {
                get: function() {
                    return this._ReflectionTextureEnabled
                },
                set: function(e) {
                    this._ReflectionTextureEnabled !== e && (this._ReflectionTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "EmissiveTextureEnabled", {
                get: function() {
                    return this._EmissiveTextureEnabled
                },
                set: function(e) {
                    this._EmissiveTextureEnabled !== e && (this._EmissiveTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "SpecularTextureEnabled", {
                get: function() {
                    return this._SpecularTextureEnabled
                },
                set: function(e) {
                    this._SpecularTextureEnabled !== e && (this._SpecularTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "BumpTextureEnabled", {
                get: function() {
                    return this._BumpTextureEnabled
                },
                set: function(e) {
                    this._BumpTextureEnabled !== e && (this._BumpTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "LightmapTextureEnabled", {
                get: function() {
                    return this._LightmapTextureEnabled
                },
                set: function(e) {
                    this._LightmapTextureEnabled !== e && (this._LightmapTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "RefractionTextureEnabled", {
                get: function() {
                    return this._RefractionTextureEnabled
                },
                set: function(e) {
                    this._RefractionTextureEnabled !== e && (this._RefractionTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ColorGradingTextureEnabled", {
                get: function() {
                    return this._ColorGradingTextureEnabled
                },
                set: function(e) {
                    this._ColorGradingTextureEnabled !== e && (this._ColorGradingTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "FresnelEnabled", {
                get: function() {
                    return this._FresnelEnabled
                },
                set: function(e) {
                    this._FresnelEnabled !== e && (this._FresnelEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_FresnelDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ClearCoatTextureEnabled", {
                get: function() {
                    return this._ClearCoatTextureEnabled
                },
                set: function(e) {
                    this._ClearCoatTextureEnabled !== e && (this._ClearCoatTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ClearCoatBumpTextureEnabled", {
                get: function() {
                    return this._ClearCoatBumpTextureEnabled
                },
                set: function(e) {
                    this._ClearCoatBumpTextureEnabled !== e && (this._ClearCoatBumpTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ClearCoatTintTextureEnabled", {
                get: function() {
                    return this._ClearCoatTintTextureEnabled
                },
                set: function(e) {
                    this._ClearCoatTintTextureEnabled !== e && (this._ClearCoatTintTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "SheenTextureEnabled", {
                get: function() {
                    return this._SheenTextureEnabled
                },
                set: function(e) {
                    this._SheenTextureEnabled !== e && (this._SheenTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "AnisotropicTextureEnabled", {
                get: function() {
                    return this._AnisotropicTextureEnabled
                },
                set: function(e) {
                    this._AnisotropicTextureEnabled !== e && (this._AnisotropicTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ThicknessTextureEnabled", {
                get: function() {
                    return this._ThicknessTextureEnabled
                },
                set: function(e) {
                    this._ThicknessTextureEnabled !== e && (this._ThicknessTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "RefractionIntensityTextureEnabled", {
                get: function() {
                    return this._ThicknessTextureEnabled
                },
                set: function(e) {
                    this._RefractionIntensityTextureEnabled !== e && (this._RefractionIntensityTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "TranslucencyIntensityTextureEnabled", {
                get: function() {
                    return this._ThicknessTextureEnabled
                },
                set: function(e) {
                    this._TranslucencyIntensityTextureEnabled !== e && (this._TranslucencyIntensityTextureEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            e._DiffuseTextureEnabled = !0,
            e._DetailTextureEnabled = !0,
            e._AmbientTextureEnabled = !0,
            e._OpacityTextureEnabled = !0,
            e._ReflectionTextureEnabled = !0,
            e._EmissiveTextureEnabled = !0,
            e._SpecularTextureEnabled = !0,
            e._BumpTextureEnabled = !0,
            e._LightmapTextureEnabled = !0,
            e._RefractionTextureEnabled = !0,
            e._ColorGradingTextureEnabled = !0,
            e._FresnelEnabled = !0,
            e._ClearCoatTextureEnabled = !0,
            e._ClearCoatBumpTextureEnabled = !0,
            e._ClearCoatTintTextureEnabled = !0,
            e._SheenTextureEnabled = !0,
            e._AnisotropicTextureEnabled = !0,
            e._ThicknessTextureEnabled = !0,
            e._RefractionIntensityTextureEnabled = !0,
            e._TranslucencyIntensityTextureEnabled = !0,
            e
        }();
        Pt.IncludesShadersStore.defaultFragmentDeclaration = "uniform vec4 vEyePosition;\nuniform vec4 vDiffuseColor;\n#ifdef SPECULARTERM\nuniform vec4 vSpecularColor;\n#endif\nuniform vec3 vEmissiveColor;\nuniform vec3 vAmbientColor;\nuniform float visibility;\n#ifdef DIFFUSE\nuniform vec2 vDiffuseInfos;\n#endif\n#ifdef AMBIENT\nuniform vec2 vAmbientInfos;\n#endif\n#ifdef OPACITY \nuniform vec2 vOpacityInfos;\n#endif\n#ifdef EMISSIVE\nuniform vec2 vEmissiveInfos;\n#endif\n#ifdef LIGHTMAP\nuniform vec2 vLightmapInfos;\n#endif\n#ifdef BUMP\nuniform vec3 vBumpInfos;\nuniform vec2 vTangentSpaceParams;\n#endif\n#ifdef ALPHATEST\nuniform float alphaCutOff;\n#endif\n#if defined(REFLECTIONMAP_SPHERICAL) || defined(REFLECTIONMAP_PROJECTION) || defined(REFRACTION)\nuniform mat4 view;\n#endif\n#ifdef REFRACTION\nuniform vec4 vRefractionInfos;\n#ifndef REFRACTIONMAP_3D\nuniform mat4 refractionMatrix;\n#endif\n#ifdef REFRACTIONFRESNEL\nuniform vec4 refractionLeftColor;\nuniform vec4 refractionRightColor;\n#endif\n#if defined(USE_LOCAL_REFRACTIONMAP_CUBIC) && defined(REFRACTIONMAP_3D)\nuniform vec3 vRefractionPosition;\nuniform vec3 vRefractionSize; \n#endif\n#endif\n#if defined(SPECULAR) && defined(SPECULARTERM)\nuniform vec2 vSpecularInfos;\n#endif\n#ifdef DIFFUSEFRESNEL\nuniform vec4 diffuseLeftColor;\nuniform vec4 diffuseRightColor;\n#endif\n#ifdef OPACITYFRESNEL\nuniform vec4 opacityParts;\n#endif\n#ifdef EMISSIVEFRESNEL\nuniform vec4 emissiveLeftColor;\nuniform vec4 emissiveRightColor;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;\n#if defined(REFLECTIONMAP_PLANAR) || defined(REFLECTIONMAP_CUBIC) || defined(REFLECTIONMAP_PROJECTION) || defined(REFLECTIONMAP_EQUIRECTANGULAR) || defined(REFLECTIONMAP_SPHERICAL) || defined(REFLECTIONMAP_SKYBOX)\nuniform mat4 reflectionMatrix;\n#endif\n#ifndef REFLECTIONMAP_SKYBOX\n#if defined(USE_LOCAL_REFLECTIONMAP_CUBIC) && defined(REFLECTIONMAP_CUBIC)\nuniform vec3 vReflectionPosition;\nuniform vec3 vReflectionSize; \n#endif\n#endif\n#ifdef REFLECTIONFRESNEL\nuniform vec4 reflectionLeftColor;\nuniform vec4 reflectionRightColor;\n#endif\n#endif\n#ifdef DETAIL\nuniform vec4 vDetailInfos;\n#endif\n#define ADDITIONAL_FRAGMENT_DECLARATION\n";
        Pt.IncludesShadersStore.sceneUboDeclaration = "layout(std140,column_major) uniform;\nuniform Scene {\nmat4 viewProjection;\n#ifdef MULTIVIEW\nmat4 viewProjectionR;\n#endif \nmat4 view;\nmat4 projection;\nvec4 vEyePosition;\n};\n";
        Pt.IncludesShadersStore.meshUboDeclaration = "uniform mat4 world;\nuniform float visibility;\n#define WORLD_UBO\n";
        Pt.IncludesShadersStore.defaultUboDeclaration = "layout(std140,column_major) uniform;\nuniform Material\n{\nvec4 diffuseLeftColor;\nvec4 diffuseRightColor;\nvec4 opacityParts;\nvec4 reflectionLeftColor;\nvec4 reflectionRightColor;\nvec4 refractionLeftColor;\nvec4 refractionRightColor;\nvec4 emissiveLeftColor;\nvec4 emissiveRightColor;\nvec2 vDiffuseInfos;\nvec2 vAmbientInfos;\nvec2 vOpacityInfos;\nvec2 vReflectionInfos;\nvec3 vReflectionPosition;\nvec3 vReflectionSize;\nvec2 vEmissiveInfos;\nvec2 vLightmapInfos;\nvec2 vSpecularInfos;\nvec3 vBumpInfos;\nmat4 diffuseMatrix;\nmat4 ambientMatrix;\nmat4 opacityMatrix;\nmat4 reflectionMatrix;\nmat4 emissiveMatrix;\nmat4 lightmapMatrix;\nmat4 specularMatrix;\nmat4 bumpMatrix;\nvec2 vTangentSpaceParams;\nfloat pointSize;\nfloat alphaCutOff;\nmat4 refractionMatrix;\nvec4 vRefractionInfos;\nvec3 vRefractionPosition;\nvec3 vRefractionSize;\nvec4 vSpecularColor;\nvec3 vEmissiveColor;\nvec4 vDiffuseColor;\nvec3 vAmbientColor;\n#define ADDITIONAL_UBO_DECLARATION\n};\n#include<sceneUboDeclaration>\n#include<meshUboDeclaration>\n";
        Pt.IncludesShadersStore.prePassDeclaration = "#ifdef PREPASS\n#extension GL_EXT_draw_buffers : require\nlayout(location=0) out highp vec4 glFragData[{X}];highp vec4 gl_FragColor;\n#ifdef PREPASS_DEPTH\nvarying highp vec3 vViewPos;\n#endif\n#ifdef PREPASS_VELOCITY\nvarying highp vec4 vCurrentPosition;varying highp vec4 vPreviousPosition;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.oitDeclaration = "#ifdef ORDER_INDEPENDENT_TRANSPARENCY\n#extension GL_EXT_draw_buffers : require\nlayout(location=0) out vec2 depth; \nlayout(location=1) out vec4 frontColor;\nlayout(location=2) out vec4 backColor;\n#define MAX_DEPTH 99999.0\nhighp vec4 gl_FragColor;\nuniform sampler2D oitDepthSampler;\nuniform sampler2D oitFrontColorSampler;\n#endif\n";
        Pt.IncludesShadersStore.mainUVVaryingDeclaration = "#ifdef MAINUV{X}\nvarying vec2 vMainUV{X};\n#endif\n";
        Pt.IncludesShadersStore.helperFunctions = "const float PI=3.1415926535897932384626433832795;\nconst float HALF_MIN=5.96046448e-08; \nconst float LinearEncodePowerApprox=2.2;\nconst float GammaEncodePowerApprox=1.0/LinearEncodePowerApprox;\nconst vec3 LuminanceEncodeApprox=vec3(0.2126,0.7152,0.0722);\nconst float Epsilon=0.0000001;\n#define saturate(x) clamp(x,0.0,1.0)\n#define absEps(x) abs(x)+Epsilon\n#define maxEps(x) max(x,Epsilon)\n#define saturateEps(x) clamp(x,Epsilon,1.0)\nmat3 transposeMat3(mat3 inMatrix) {\nvec3 i0=inMatrix[0];\nvec3 i1=inMatrix[1];\nvec3 i2=inMatrix[2];\nmat3 outMatrix=mat3(\nvec3(i0.x,i1.x,i2.x),\nvec3(i0.y,i1.y,i2.y),\nvec3(i0.z,i1.z,i2.z)\n);\nreturn outMatrix;\n}\nmat3 inverseMat3(mat3 inMatrix) {\nfloat a00=inMatrix[0][0],a01=inMatrix[0][1],a02=inMatrix[0][2];\nfloat a10=inMatrix[1][0],a11=inMatrix[1][1],a12=inMatrix[1][2];\nfloat a20=inMatrix[2][0],a21=inMatrix[2][1],a22=inMatrix[2][2];\nfloat b01=a22*a11-a12*a21;\nfloat b11=-a22*a10+a12*a20;\nfloat b21=a21*a10-a11*a20;\nfloat det=a00*b01+a01*b11+a02*b21;\nreturn mat3(b01,(-a22*a01+a02*a21),(a12*a01-a02*a11),\nb11,(a22*a00-a02*a20),(-a12*a00+a02*a10),\nb21,(-a21*a00+a01*a20),(a11*a00-a01*a10))/det;\n}\nfloat toLinearSpace(float color)\n{\nreturn pow(color,LinearEncodePowerApprox);\n}\nvec3 toLinearSpace(vec3 color)\n{\nreturn pow(color,vec3(LinearEncodePowerApprox));\n}\nvec4 toLinearSpace(vec4 color)\n{\nreturn vec4(pow(color.rgb,vec3(LinearEncodePowerApprox)),color.a);\n}\nvec3 toGammaSpace(vec3 color)\n{\nreturn pow(color,vec3(GammaEncodePowerApprox));\n}\nvec4 toGammaSpace(vec4 color)\n{\nreturn vec4(pow(color.rgb,vec3(GammaEncodePowerApprox)),color.a);\n}\nfloat toGammaSpace(float color)\n{\nreturn pow(color,GammaEncodePowerApprox);\n}\nfloat square(float value)\n{\nreturn value*value;\n}\nfloat pow5(float value) {\nfloat sq=value*value;\nreturn sq*sq*value;\n}\nfloat getLuminance(vec3 color)\n{\nreturn clamp(dot(color,LuminanceEncodeApprox),0.,1.);\n}\nfloat getRand(vec2 seed) {\nreturn fract(sin(dot(seed.xy ,vec2(12.9898,78.233)))*43758.5453);\n}\nfloat dither(vec2 seed,float varianceAmount) {\nfloat rand=getRand(seed);\nfloat dither=mix(-varianceAmount/255.0,varianceAmount/255.0,rand);\nreturn dither;\n}\nconst float rgbdMaxRange=255.0;\nvec4 toRGBD(vec3 color) {\nfloat maxRGB=maxEps(max(color.r,max(color.g,color.b)));\nfloat D =max(rgbdMaxRange/maxRGB,1.);\nD =clamp(floor(D)/255.0,0.,1.);\nvec3 rgb=color.rgb*D;\nrgb=toGammaSpace(rgb);\nreturn vec4(clamp(rgb,0.,1.),D); \n}\nvec3 fromRGBD(vec4 rgbd) {\nrgbd.rgb=toLinearSpace(rgbd.rgb);\nreturn rgbd.rgb/rgbd.a;\n}\nvec3 parallaxCorrectNormal( vec3 vertexPos,vec3 origVec,vec3 cubeSize,vec3 cubePos ) {\nvec3 invOrigVec=vec3(1.0,1.0,1.0)/origVec;\nvec3 halfSize=cubeSize*0.5;\nvec3 intersecAtMaxPlane=(cubePos+halfSize-vertexPos)*invOrigVec;\nvec3 intersecAtMinPlane=(cubePos-halfSize-vertexPos)*invOrigVec;\nvec3 largestIntersec=max(intersecAtMaxPlane,intersecAtMinPlane);\nfloat distance=min(min(largestIntersec.x,largestIntersec.y),largestIntersec.z);\nvec3 intersectPositionWS=vertexPos+origVec*distance;\nreturn intersectPositionWS-cubePos;\n}\n";
        Pt.IncludesShadersStore.lightFragmentDeclaration = "#ifdef LIGHT{X}\nuniform vec4 vLightData{X};\nuniform vec4 vLightDiffuse{X};\n#ifdef SPECULARTERM\nuniform vec4 vLightSpecular{X};\n#else\nvec4 vLightSpecular{X}=vec4(0.);\n#endif\n#ifdef SHADOW{X}\n#ifdef SHADOWCSM{X}\nuniform mat4 lightMatrix{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float viewFrustumZ{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float frustumLengths{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float cascadeBlendFactor{X};\nvarying vec4 vPositionFromLight{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying float vDepthMetric{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromCamera{X};\n#if defined(SHADOWPCSS{X})\nuniform highp sampler2DArrayShadow shadowSampler{X};\nuniform highp sampler2DArray depthSampler{X};\nuniform vec2 lightSizeUVCorrection{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float depthCorrection{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float penumbraDarkness{X};\n#elif defined(SHADOWPCF{X})\nuniform highp sampler2DArrayShadow shadowSampler{X};\n#else\nuniform highp sampler2DArray shadowSampler{X};\n#endif\n#ifdef SHADOWCSMDEBUG{X}\nconst vec3 vCascadeColorsMultiplier{X}[8]=vec3[8]\n(\nvec3 ( 1.5,0.0,0.0 ),\nvec3 ( 0.0,1.5,0.0 ),\nvec3 ( 0.0,0.0,5.5 ),\nvec3 ( 1.5,0.0,5.5 ),\nvec3 ( 1.5,1.5,0.0 ),\nvec3 ( 1.0,1.0,1.0 ),\nvec3 ( 0.0,1.0,5.5 ),\nvec3 ( 0.5,3.5,0.75 )\n);\nvec3 shadowDebug{X};\n#endif\n#ifdef SHADOWCSMUSESHADOWMAXZ{X}\nint index{X}=-1;\n#else\nint index{X}=SHADOWCSMNUM_CASCADES{X}-1;\n#endif\nfloat diff{X}=0.;\n#elif defined(SHADOWCUBE{X})\nuniform samplerCube shadowSampler{X};\n#else\nvarying vec4 vPositionFromLight{X};\nvarying float vDepthMetric{X};\n#if defined(SHADOWPCSS{X})\nuniform highp sampler2DShadow shadowSampler{X};\nuniform highp sampler2D depthSampler{X};\n#elif defined(SHADOWPCF{X})\nuniform highp sampler2DShadow shadowSampler{X};\n#else\nuniform sampler2D shadowSampler{X};\n#endif\nuniform mat4 lightMatrix{X};\n#endif\nuniform vec4 shadowsInfo{X};\nuniform vec2 depthValues{X};\n#endif\n#ifdef SPOTLIGHT{X}\nuniform vec4 vLightDirection{X};\nuniform vec4 vLightFalloff{X};\n#elif defined(POINTLIGHT{X})\nuniform vec4 vLightFalloff{X};\n#elif defined(HEMILIGHT{X})\nuniform vec3 vLightGround{X};\n#endif\n#ifdef PROJECTEDLIGHTTEXTURE{X}\nuniform mat4 textureProjectionMatrix{X};\nuniform sampler2D projectionLightSampler{X};\n#endif\n#endif\n";
        Pt.IncludesShadersStore.lightUboDeclaration = "#ifdef LIGHT{X}\nuniform Light{X}\n{\nvec4 vLightData;\nvec4 vLightDiffuse;\nvec4 vLightSpecular;\n#ifdef SPOTLIGHT{X}\nvec4 vLightDirection;\nvec4 vLightFalloff;\n#elif defined(POINTLIGHT{X})\nvec4 vLightFalloff;\n#elif defined(HEMILIGHT{X})\nvec3 vLightGround;\n#endif\nvec4 shadowsInfo;\nvec2 depthValues;\n} light{X};\n#ifdef PROJECTEDLIGHTTEXTURE{X}\nuniform mat4 textureProjectionMatrix{X};\nuniform sampler2D projectionLightSampler{X};\n#endif\n#ifdef SHADOW{X}\n#ifdef SHADOWCSM{X}\nuniform mat4 lightMatrix{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float viewFrustumZ{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float frustumLengths{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float cascadeBlendFactor{X};\nvarying vec4 vPositionFromLight{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying float vDepthMetric{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromCamera{X};\n#if defined(SHADOWPCSS{X})\nuniform highp sampler2DArrayShadow shadowSampler{X};\nuniform highp sampler2DArray depthSampler{X};\nuniform vec2 lightSizeUVCorrection{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float depthCorrection{X}[SHADOWCSMNUM_CASCADES{X}];\nuniform float penumbraDarkness{X};\n#elif defined(SHADOWPCF{X})\nuniform highp sampler2DArrayShadow shadowSampler{X};\n#else\nuniform highp sampler2DArray shadowSampler{X};\n#endif\n#ifdef SHADOWCSMDEBUG{X}\nconst vec3 vCascadeColorsMultiplier{X}[8]=vec3[8]\n(\nvec3 ( 1.5,0.0,0.0 ),\nvec3 ( 0.0,1.5,0.0 ),\nvec3 ( 0.0,0.0,5.5 ),\nvec3 ( 1.5,0.0,5.5 ),\nvec3 ( 1.5,1.5,0.0 ),\nvec3 ( 1.0,1.0,1.0 ),\nvec3 ( 0.0,1.0,5.5 ),\nvec3 ( 0.5,3.5,0.75 )\n);\nvec3 shadowDebug{X};\n#endif\n#ifdef SHADOWCSMUSESHADOWMAXZ{X}\nint index{X}=-1;\n#else\nint index{X}=SHADOWCSMNUM_CASCADES{X}-1;\n#endif\nfloat diff{X}=0.;\n#elif defined(SHADOWCUBE{X})\nuniform samplerCube shadowSampler{X}; \n#else\nvarying vec4 vPositionFromLight{X};\nvarying float vDepthMetric{X};\n#if defined(SHADOWPCSS{X})\nuniform highp sampler2DShadow shadowSampler{X};\nuniform highp sampler2D depthSampler{X};\n#elif defined(SHADOWPCF{X})\nuniform highp sampler2DShadow shadowSampler{X};\n#else\nuniform sampler2D shadowSampler{X};\n#endif\nuniform mat4 lightMatrix{X};\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.lightsFragmentFunctions = "struct lightingInfo\n{\nvec3 diffuse;\n#ifdef SPECULARTERM\nvec3 specular;\n#endif\n#ifdef NDOTL\nfloat ndl;\n#endif\n};\nlightingInfo computeLighting(vec3 viewDirectionW,vec3 vNormal,vec4 lightData,vec3 diffuseColor,vec3 specularColor,float range,float glossiness) {\nlightingInfo result;\nvec3 lightVectorW;\nfloat attenuation=1.0;\nif (lightData.w==0.)\n{\nvec3 direction=lightData.xyz-vPositionW;\nattenuation=max(0.,1.0-length(direction)/range);\nlightVectorW=normalize(direction);\n}\nelse\n{\nlightVectorW=normalize(-lightData.xyz);\n}\nfloat ndl=max(0.,dot(vNormal,lightVectorW));\n#ifdef NDOTL\nresult.ndl=ndl;\n#endif\nresult.diffuse=ndl*diffuseColor*attenuation;\n#ifdef SPECULARTERM\nvec3 angleW=normalize(viewDirectionW+lightVectorW);\nfloat specComp=max(0.,dot(vNormal,angleW));\nspecComp=pow(specComp,max(1.,glossiness));\nresult.specular=specComp*specularColor*attenuation;\n#endif\nreturn result;\n}\nlightingInfo computeSpotLighting(vec3 viewDirectionW,vec3 vNormal,vec4 lightData,vec4 lightDirection,vec3 diffuseColor,vec3 specularColor,float range,float glossiness) {\nlightingInfo result;\nvec3 direction=lightData.xyz-vPositionW;\nvec3 lightVectorW=normalize(direction);\nfloat attenuation=max(0.,1.0-length(direction)/range);\nfloat cosAngle=max(0.,dot(lightDirection.xyz,-lightVectorW));\nif (cosAngle>=lightDirection.w)\n{\ncosAngle=max(0.,pow(cosAngle,lightData.w));\nattenuation*=cosAngle;\nfloat ndl=max(0.,dot(vNormal,lightVectorW));\n#ifdef NDOTL\nresult.ndl=ndl;\n#endif\nresult.diffuse=ndl*diffuseColor*attenuation;\n#ifdef SPECULARTERM\nvec3 angleW=normalize(viewDirectionW+lightVectorW);\nfloat specComp=max(0.,dot(vNormal,angleW));\nspecComp=pow(specComp,max(1.,glossiness));\nresult.specular=specComp*specularColor*attenuation;\n#endif\nreturn result;\n}\nresult.diffuse=vec3(0.);\n#ifdef SPECULARTERM\nresult.specular=vec3(0.);\n#endif\n#ifdef NDOTL\nresult.ndl=0.;\n#endif\nreturn result;\n}\nlightingInfo computeHemisphericLighting(vec3 viewDirectionW,vec3 vNormal,vec4 lightData,vec3 diffuseColor,vec3 specularColor,vec3 groundColor,float glossiness) {\nlightingInfo result;\nfloat ndl=dot(vNormal,lightData.xyz)*0.5+0.5;\n#ifdef NDOTL\nresult.ndl=ndl;\n#endif\nresult.diffuse=mix(groundColor,diffuseColor,ndl);\n#ifdef SPECULARTERM\nvec3 angleW=normalize(viewDirectionW+lightData.xyz);\nfloat specComp=max(0.,dot(vNormal,angleW));\nspecComp=pow(specComp,max(1.,glossiness));\nresult.specular=specComp*specularColor;\n#endif\nreturn result;\n}\n#define inline\nvec3 computeProjectionTextureDiffuseLighting(sampler2D projectionLightSampler,mat4 textureProjectionMatrix){\nvec4 strq=textureProjectionMatrix*vec4(vPositionW,1.0);\nstrq/=strq.w;\nvec3 textureColor=texture2D(projectionLightSampler,strq.xy).rgb;\nreturn textureColor;\n}";
        Pt.IncludesShadersStore.shadowsFragmentFunctions = "#ifdef SHADOWS\n#ifndef SHADOWFLOAT\nfloat unpack(vec4 color)\n{\nconst vec4 bit_shift=vec4(1.0/(255.0*255.0*255.0),1.0/(255.0*255.0),1.0/255.0,1.0);\nreturn dot(color,bit_shift);\n}\n#endif\nfloat computeFallOff(float value,vec2 clipSpace,float frustumEdgeFalloff)\n{\nfloat mask=smoothstep(1.0-frustumEdgeFalloff,1.00000012,clamp(dot(clipSpace,clipSpace),0.,1.));\nreturn mix(value,1.0,mask);\n}\n#define inline\nfloat computeShadowCube(vec3 lightPosition,samplerCube shadowSampler,float darkness,vec2 depthValues)\n{\nvec3 directionToLight=vPositionW-lightPosition;\nfloat depth=length(directionToLight);\ndepth=(depth+depthValues.x)/(depthValues.y);\ndepth=clamp(depth,0.,1.0);\ndirectionToLight=normalize(directionToLight);\ndirectionToLight.y=-directionToLight.y;\n#ifndef SHADOWFLOAT\nfloat shadow=unpack(textureCube(shadowSampler,directionToLight));\n#else\nfloat shadow=textureCube(shadowSampler,directionToLight).x;\n#endif\nreturn depth>shadow ? darkness : 1.0;\n}\n#define inline\nfloat computeShadowWithPoissonSamplingCube(vec3 lightPosition,samplerCube shadowSampler,float mapSize,float darkness,vec2 depthValues)\n{\nvec3 directionToLight=vPositionW-lightPosition;\nfloat depth=length(directionToLight);\ndepth=(depth+depthValues.x)/(depthValues.y);\ndepth=clamp(depth,0.,1.0);\ndirectionToLight=normalize(directionToLight);\ndirectionToLight.y=-directionToLight.y;\nfloat visibility=1.;\nvec3 poissonDisk[4];\npoissonDisk[0]=vec3(-1.0,1.0,-1.0);\npoissonDisk[1]=vec3(1.0,-1.0,-1.0);\npoissonDisk[2]=vec3(-1.0,-1.0,-1.0);\npoissonDisk[3]=vec3(1.0,-1.0,1.0);\n#ifndef SHADOWFLOAT\nif (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[0]*mapSize))<depth) visibility-=0.25;\nif (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[1]*mapSize))<depth) visibility-=0.25;\nif (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[2]*mapSize))<depth) visibility-=0.25;\nif (unpack(textureCube(shadowSampler,directionToLight+poissonDisk[3]*mapSize))<depth) visibility-=0.25;\n#else\nif (textureCube(shadowSampler,directionToLight+poissonDisk[0]*mapSize).x<depth) visibility-=0.25;\nif (textureCube(shadowSampler,directionToLight+poissonDisk[1]*mapSize).x<depth) visibility-=0.25;\nif (textureCube(shadowSampler,directionToLight+poissonDisk[2]*mapSize).x<depth) visibility-=0.25;\nif (textureCube(shadowSampler,directionToLight+poissonDisk[3]*mapSize).x<depth) visibility-=0.25;\n#endif\nreturn min(1.0,visibility+darkness);\n}\n#define inline\nfloat computeShadowWithESMCube(vec3 lightPosition,samplerCube shadowSampler,float darkness,float depthScale,vec2 depthValues)\n{\nvec3 directionToLight=vPositionW-lightPosition;\nfloat depth=length(directionToLight);\ndepth=(depth+depthValues.x)/(depthValues.y);\nfloat shadowPixelDepth=clamp(depth,0.,1.0);\ndirectionToLight=normalize(directionToLight);\ndirectionToLight.y=-directionToLight.y;\n#ifndef SHADOWFLOAT\nfloat shadowMapSample=unpack(textureCube(shadowSampler,directionToLight));\n#else\nfloat shadowMapSample=textureCube(shadowSampler,directionToLight).x;\n#endif\nfloat esm=1.0-clamp(exp(min(87.,depthScale*shadowPixelDepth))*shadowMapSample,0.,1.-darkness); \nreturn esm;\n}\n#define inline\nfloat computeShadowWithCloseESMCube(vec3 lightPosition,samplerCube shadowSampler,float darkness,float depthScale,vec2 depthValues)\n{\nvec3 directionToLight=vPositionW-lightPosition;\nfloat depth=length(directionToLight);\ndepth=(depth+depthValues.x)/(depthValues.y);\nfloat shadowPixelDepth=clamp(depth,0.,1.0);\ndirectionToLight=normalize(directionToLight);\ndirectionToLight.y=-directionToLight.y;\n#ifndef SHADOWFLOAT\nfloat shadowMapSample=unpack(textureCube(shadowSampler,directionToLight));\n#else\nfloat shadowMapSample=textureCube(shadowSampler,directionToLight).x;\n#endif\nfloat esm=clamp(exp(min(87.,-depthScale*(shadowPixelDepth-shadowMapSample))),darkness,1.);\nreturn esm;\n}\n#if defined(WEBGL2) || defined(WEBGPU)\n#define inline\nfloat computeShadowCSM(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray shadowSampler,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec2 uv=0.5*clipSpace.xy+vec2(0.5);\nvec3 uvLayer=vec3(uv.x,uv.y,layer);\nfloat shadowPixelDepth=clamp(depthMetric,0.,1.0);\n#ifndef SHADOWFLOAT\nfloat shadow=unpack(texture2D(shadowSampler,uvLayer));\n#else\nfloat shadow=texture2D(shadowSampler,uvLayer).x;\n#endif\nreturn shadowPixelDepth>shadow ? computeFallOff(darkness,clipSpace.xy,frustumEdgeFalloff) : 1.;\n}\n#endif\n#define inline\nfloat computeShadow(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec2 uv=0.5*clipSpace.xy+vec2(0.5);\nif (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)\n{\nreturn 1.0;\n}\nelse\n{\nfloat shadowPixelDepth=clamp(depthMetric,0.,1.0);\n#ifndef SHADOWFLOAT\nfloat shadow=unpack(texture2D(shadowSampler,uv));\n#else\nfloat shadow=texture2D(shadowSampler,uv).x;\n#endif\nreturn shadowPixelDepth>shadow ? computeFallOff(darkness,clipSpace.xy,frustumEdgeFalloff) : 1.;\n}\n}\n#define inline\nfloat computeShadowWithPoissonSampling(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float mapSize,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec2 uv=0.5*clipSpace.xy+vec2(0.5);\nif (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)\n{\nreturn 1.0;\n}\nelse\n{\nfloat shadowPixelDepth=clamp(depthMetric,0.,1.0);\nfloat visibility=1.;\nvec2 poissonDisk[4];\npoissonDisk[0]=vec2(-0.94201624,-0.39906216);\npoissonDisk[1]=vec2(0.94558609,-0.76890725);\npoissonDisk[2]=vec2(-0.094184101,-0.92938870);\npoissonDisk[3]=vec2(0.34495938,0.29387760);\n#ifndef SHADOWFLOAT\nif (unpack(texture2D(shadowSampler,uv+poissonDisk[0]*mapSize))<shadowPixelDepth) visibility-=0.25;\nif (unpack(texture2D(shadowSampler,uv+poissonDisk[1]*mapSize))<shadowPixelDepth) visibility-=0.25;\nif (unpack(texture2D(shadowSampler,uv+poissonDisk[2]*mapSize))<shadowPixelDepth) visibility-=0.25;\nif (unpack(texture2D(shadowSampler,uv+poissonDisk[3]*mapSize))<shadowPixelDepth) visibility-=0.25;\n#else\nif (texture2D(shadowSampler,uv+poissonDisk[0]*mapSize).x<shadowPixelDepth) visibility-=0.25;\nif (texture2D(shadowSampler,uv+poissonDisk[1]*mapSize).x<shadowPixelDepth) visibility-=0.25;\nif (texture2D(shadowSampler,uv+poissonDisk[2]*mapSize).x<shadowPixelDepth) visibility-=0.25;\nif (texture2D(shadowSampler,uv+poissonDisk[3]*mapSize).x<shadowPixelDepth) visibility-=0.25;\n#endif\nreturn computeFallOff(min(1.0,visibility+darkness),clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#define inline\nfloat computeShadowWithESM(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float depthScale,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec2 uv=0.5*clipSpace.xy+vec2(0.5);\nif (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)\n{\nreturn 1.0;\n}\nelse\n{\nfloat shadowPixelDepth=clamp(depthMetric,0.,1.0);\n#ifndef SHADOWFLOAT\nfloat shadowMapSample=unpack(texture2D(shadowSampler,uv));\n#else\nfloat shadowMapSample=texture2D(shadowSampler,uv).x;\n#endif\nfloat esm=1.0-clamp(exp(min(87.,depthScale*shadowPixelDepth))*shadowMapSample,0.,1.-darkness);\nreturn computeFallOff(esm,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#define inline\nfloat computeShadowWithCloseESM(vec4 vPositionFromLight,float depthMetric,sampler2D shadowSampler,float darkness,float depthScale,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec2 uv=0.5*clipSpace.xy+vec2(0.5);\nif (uv.x<0. || uv.x>1.0 || uv.y<0. || uv.y>1.0)\n{\nreturn 1.0;\n}\nelse\n{\nfloat shadowPixelDepth=clamp(depthMetric,0.,1.0); \n#ifndef SHADOWFLOAT\nfloat shadowMapSample=unpack(texture2D(shadowSampler,uv));\n#else\nfloat shadowMapSample=texture2D(shadowSampler,uv).x;\n#endif\nfloat esm=clamp(exp(min(87.,-depthScale*(shadowPixelDepth-shadowMapSample))),darkness,1.);\nreturn computeFallOff(esm,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#ifdef IS_NDC_HALF_ZRANGE\n#define ZINCLIP clipSpace.z\n#else\n#define ZINCLIP uvDepth.z\n#endif\n#if defined(WEBGL2) || defined(WEBGPU)\n#define GREATEST_LESS_THAN_ONE 0.99999994\n#define inline\nfloat computeShadowWithCSMPCF1(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);\nvec4 uvDepthLayer=vec4(uvDepth.x,uvDepth.y,layer,uvDepth.z);\nfloat shadow=texture2D(shadowSampler,uvDepthLayer);\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n#define inline\nfloat computeShadowWithCSMPCF3(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);\nvec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; \nuv+=0.5; \nvec2 st=fract(uv); \nvec2 base_uv=floor(uv)-0.5; \nbase_uv*=shadowMapSizeAndInverse.y; \nvec2 uvw0=3.-2.*st;\nvec2 uvw1=1.+2.*st;\nvec2 u=vec2((2.-st.x)/uvw0.x-1.,st.x/uvw1.x+1.)*shadowMapSizeAndInverse.y;\nvec2 v=vec2((2.-st.y)/uvw0.y-1.,st.y/uvw1.y+1.)*shadowMapSizeAndInverse.y;\nfloat shadow=0.;\nshadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[0]),layer,uvDepth.z));\nshadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[0]),layer,uvDepth.z));\nshadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[1]),layer,uvDepth.z));\nshadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[1]),layer,uvDepth.z));\nshadow=shadow/16.;\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n#define inline\nfloat computeShadowWithCSMPCF5(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArrayShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);\nvec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; \nuv+=0.5; \nvec2 st=fract(uv); \nvec2 base_uv=floor(uv)-0.5; \nbase_uv*=shadowMapSizeAndInverse.y; \nvec2 uvw0=4.-3.*st;\nvec2 uvw1=vec2(7.);\nvec2 uvw2=1.+3.*st;\nvec3 u=vec3((3.-2.*st.x)/uvw0.x-2.,(3.+st.x)/uvw1.x,st.x/uvw2.x+2.)*shadowMapSizeAndInverse.y;\nvec3 v=vec3((3.-2.*st.y)/uvw0.y-2.,(3.+st.y)/uvw1.y,st.y/uvw2.y+2.)*shadowMapSizeAndInverse.y;\nfloat shadow=0.;\nshadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[0]),layer,uvDepth.z));\nshadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[0]),layer,uvDepth.z));\nshadow+=uvw2.x*uvw0.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[0]),layer,uvDepth.z));\nshadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[1]),layer,uvDepth.z));\nshadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[1]),layer,uvDepth.z));\nshadow+=uvw2.x*uvw1.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[1]),layer,uvDepth.z));\nshadow+=uvw0.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[0],v[2]),layer,uvDepth.z));\nshadow+=uvw1.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[1],v[2]),layer,uvDepth.z));\nshadow+=uvw2.x*uvw2.y*texture2D(shadowSampler,vec4(base_uv.xy+vec2(u[2],v[2]),layer,uvDepth.z));\nshadow=shadow/144.;\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n#define inline\nfloat computeShadowWithPCF1(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,float darkness,float frustumEdgeFalloff)\n{\nif (depthMetric>1.0 || depthMetric<0.0) {\nreturn 1.0;\n}\nelse\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=ZINCLIP;\nfloat shadow=texture2D(shadowSampler,uvDepth);\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#define inline\nfloat computeShadowWithPCF3(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)\n{\nif (depthMetric>1.0 || depthMetric<0.0) {\nreturn 1.0;\n}\nelse\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=ZINCLIP;\nvec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; \nuv+=0.5; \nvec2 st=fract(uv); \nvec2 base_uv=floor(uv)-0.5; \nbase_uv*=shadowMapSizeAndInverse.y; \nvec2 uvw0=3.-2.*st;\nvec2 uvw1=1.+2.*st;\nvec2 u=vec2((2.-st.x)/uvw0.x-1.,st.x/uvw1.x+1.)*shadowMapSizeAndInverse.y;\nvec2 v=vec2((2.-st.y)/uvw0.y-1.,st.y/uvw1.y+1.)*shadowMapSizeAndInverse.y;\nfloat shadow=0.;\nshadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[0]),uvDepth.z));\nshadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[0]),uvDepth.z));\nshadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[1]),uvDepth.z));\nshadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[1]),uvDepth.z));\nshadow=shadow/16.;\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#define inline\nfloat computeShadowWithPCF5(vec4 vPositionFromLight,float depthMetric,highp sampler2DShadow shadowSampler,vec2 shadowMapSizeAndInverse,float darkness,float frustumEdgeFalloff)\n{\nif (depthMetric>1.0 || depthMetric<0.0) {\nreturn 1.0;\n}\nelse\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=ZINCLIP;\nvec2 uv=uvDepth.xy*shadowMapSizeAndInverse.x; \nuv+=0.5; \nvec2 st=fract(uv); \nvec2 base_uv=floor(uv)-0.5; \nbase_uv*=shadowMapSizeAndInverse.y; \nvec2 uvw0=4.-3.*st;\nvec2 uvw1=vec2(7.);\nvec2 uvw2=1.+3.*st;\nvec3 u=vec3((3.-2.*st.x)/uvw0.x-2.,(3.+st.x)/uvw1.x,st.x/uvw2.x+2.)*shadowMapSizeAndInverse.y;\nvec3 v=vec3((3.-2.*st.y)/uvw0.y-2.,(3.+st.y)/uvw1.y,st.y/uvw2.y+2.)*shadowMapSizeAndInverse.y;\nfloat shadow=0.;\nshadow+=uvw0.x*uvw0.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[0]),uvDepth.z));\nshadow+=uvw1.x*uvw0.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[0]),uvDepth.z));\nshadow+=uvw2.x*uvw0.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[0]),uvDepth.z));\nshadow+=uvw0.x*uvw1.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[1]),uvDepth.z));\nshadow+=uvw1.x*uvw1.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[1]),uvDepth.z));\nshadow+=uvw2.x*uvw1.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[1]),uvDepth.z));\nshadow+=uvw0.x*uvw2.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[0],v[2]),uvDepth.z));\nshadow+=uvw1.x*uvw2.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[1],v[2]),uvDepth.z));\nshadow+=uvw2.x*uvw2.y*texture2D(shadowSampler,vec3(base_uv.xy+vec2(u[2],v[2]),uvDepth.z));\nshadow=shadow/144.;\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n}\nconst vec3 PoissonSamplers32[64]=vec3[64](\nvec3(0.06407013,0.05409927,0.),\nvec3(0.7366577,0.5789394,0.),\nvec3(-0.6270542,-0.5320278,0.),\nvec3(-0.4096107,0.8411095,0.),\nvec3(0.6849564,-0.4990818,0.),\nvec3(-0.874181,-0.04579735,0.),\nvec3(0.9989998,0.0009880066,0.),\nvec3(-0.004920578,-0.9151649,0.),\nvec3(0.1805763,0.9747483,0.),\nvec3(-0.2138451,0.2635818,0.),\nvec3(0.109845,0.3884785,0.),\nvec3(0.06876755,-0.3581074,0.),\nvec3(0.374073,-0.7661266,0.),\nvec3(0.3079132,-0.1216763,0.),\nvec3(-0.3794335,-0.8271583,0.),\nvec3(-0.203878,-0.07715034,0.),\nvec3(0.5912697,0.1469799,0.),\nvec3(-0.88069,0.3031784,0.),\nvec3(0.5040108,0.8283722,0.),\nvec3(-0.5844124,0.5494877,0.),\nvec3(0.6017799,-0.1726654,0.),\nvec3(-0.5554981,0.1559997,0.),\nvec3(-0.3016369,-0.3900928,0.),\nvec3(-0.5550632,-0.1723762,0.),\nvec3(0.925029,0.2995041,0.),\nvec3(-0.2473137,0.5538505,0.),\nvec3(0.9183037,-0.2862392,0.),\nvec3(0.2469421,0.6718712,0.),\nvec3(0.3916397,-0.4328209,0.),\nvec3(-0.03576927,-0.6220032,0.),\nvec3(-0.04661255,0.7995201,0.),\nvec3(0.4402924,0.3640312,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.),\nvec3(0.,0.,0.)\n);\nconst vec3 PoissonSamplers64[64]=vec3[64](\nvec3(-0.613392,0.617481,0.),\nvec3(0.170019,-0.040254,0.),\nvec3(-0.299417,0.791925,0.),\nvec3(0.645680,0.493210,0.),\nvec3(-0.651784,0.717887,0.),\nvec3(0.421003,0.027070,0.),\nvec3(-0.817194,-0.271096,0.),\nvec3(-0.705374,-0.668203,0.),\nvec3(0.977050,-0.108615,0.),\nvec3(0.063326,0.142369,0.),\nvec3(0.203528,0.214331,0.),\nvec3(-0.667531,0.326090,0.),\nvec3(-0.098422,-0.295755,0.),\nvec3(-0.885922,0.215369,0.),\nvec3(0.566637,0.605213,0.),\nvec3(0.039766,-0.396100,0.),\nvec3(0.751946,0.453352,0.),\nvec3(0.078707,-0.715323,0.),\nvec3(-0.075838,-0.529344,0.),\nvec3(0.724479,-0.580798,0.),\nvec3(0.222999,-0.215125,0.),\nvec3(-0.467574,-0.405438,0.),\nvec3(-0.248268,-0.814753,0.),\nvec3(0.354411,-0.887570,0.),\nvec3(0.175817,0.382366,0.),\nvec3(0.487472,-0.063082,0.),\nvec3(-0.084078,0.898312,0.),\nvec3(0.488876,-0.783441,0.),\nvec3(0.470016,0.217933,0.),\nvec3(-0.696890,-0.549791,0.),\nvec3(-0.149693,0.605762,0.),\nvec3(0.034211,0.979980,0.),\nvec3(0.503098,-0.308878,0.),\nvec3(-0.016205,-0.872921,0.),\nvec3(0.385784,-0.393902,0.),\nvec3(-0.146886,-0.859249,0.),\nvec3(0.643361,0.164098,0.),\nvec3(0.634388,-0.049471,0.),\nvec3(-0.688894,0.007843,0.),\nvec3(0.464034,-0.188818,0.),\nvec3(-0.440840,0.137486,0.),\nvec3(0.364483,0.511704,0.),\nvec3(0.034028,0.325968,0.),\nvec3(0.099094,-0.308023,0.),\nvec3(0.693960,-0.366253,0.),\nvec3(0.678884,-0.204688,0.),\nvec3(0.001801,0.780328,0.),\nvec3(0.145177,-0.898984,0.),\nvec3(0.062655,-0.611866,0.),\nvec3(0.315226,-0.604297,0.),\nvec3(-0.780145,0.486251,0.),\nvec3(-0.371868,0.882138,0.),\nvec3(0.200476,0.494430,0.),\nvec3(-0.494552,-0.711051,0.),\nvec3(0.612476,0.705252,0.),\nvec3(-0.578845,-0.768792,0.),\nvec3(-0.772454,-0.090976,0.),\nvec3(0.504440,0.372295,0.),\nvec3(0.155736,0.065157,0.),\nvec3(0.391522,0.849605,0.),\nvec3(-0.620106,-0.328104,0.),\nvec3(0.789239,-0.419965,0.),\nvec3(-0.545396,0.538133,0.),\nvec3(-0.178564,-0.596057,0.)\n);\n#define inline\nfloat computeShadowWithCSMPCSS(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,int searchTapCount,int pcfTapCount,vec3[64] poissonSamplers,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=clamp(ZINCLIP,0.,GREATEST_LESS_THAN_ONE);\nvec4 uvDepthLayer=vec4(uvDepth.x,uvDepth.y,layer,uvDepth.z);\nfloat blockerDepth=0.0;\nfloat sumBlockerDepth=0.0;\nfloat numBlocker=0.0;\nfor (int i=0; i<searchTapCount; i ++) {\nblockerDepth=texture2D(depthSampler,vec3(uvDepth.xy+(lightSizeUV*lightSizeUVCorrection*shadowMapSizeInverse*PoissonSamplers32[i].xy),layer)).r;\nif (blockerDepth<depthMetric) {\nsumBlockerDepth+=blockerDepth;\nnumBlocker++;\n}\n}\nif (numBlocker<1.0) {\nreturn 1.0;\n}\nelse\n{\nfloat avgBlockerDepth=sumBlockerDepth/numBlocker;\nfloat AAOffset=shadowMapSizeInverse*10.;\nfloat penumbraRatio=((depthMetric-avgBlockerDepth)*depthCorrection+AAOffset);\nvec4 filterRadius=vec4(penumbraRatio*lightSizeUV*lightSizeUVCorrection*shadowMapSizeInverse,0.,0.);\nfloat random=getRand(vPositionFromLight.xy);\nfloat rotationAngle=random*3.1415926;\nvec2 rotationVector=vec2(cos(rotationAngle),sin(rotationAngle));\nfloat shadow=0.;\nfor (int i=0; i<pcfTapCount; i++) {\nvec4 offset=vec4(poissonSamplers[i],0.);\noffset=vec4(offset.x*rotationVector.x-offset.y*rotationVector.y,offset.y*rotationVector.x+offset.x*rotationVector.y,0.,0.);\nshadow+=texture2D(shadowSampler,uvDepthLayer+offset*filterRadius);\n}\nshadow/=float(pcfTapCount);\nshadow=mix(shadow,1.,min((depthMetric-avgBlockerDepth)*depthCorrection*penumbraDarkness,1.));\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n#define inline\nfloat computeShadowWithPCSS(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,int searchTapCount,int pcfTapCount,vec3[64] poissonSamplers)\n{\nif (depthMetric>1.0 || depthMetric<0.0) {\nreturn 1.0;\n}\nelse\n{\nvec3 clipSpace=vPositionFromLight.xyz/vPositionFromLight.w;\nvec3 uvDepth=vec3(0.5*clipSpace.xyz+vec3(0.5));\nuvDepth.z=ZINCLIP;\nfloat blockerDepth=0.0;\nfloat sumBlockerDepth=0.0;\nfloat numBlocker=0.0;\nfor (int i=0; i<searchTapCount; i ++) {\nblockerDepth=texture2D(depthSampler,uvDepth.xy+(lightSizeUV*shadowMapSizeInverse*PoissonSamplers32[i].xy)).r;\nif (blockerDepth<depthMetric) {\nsumBlockerDepth+=blockerDepth;\nnumBlocker++;\n}\n}\nif (numBlocker<1.0) {\nreturn 1.0;\n}\nelse\n{\nfloat avgBlockerDepth=sumBlockerDepth/numBlocker;\nfloat AAOffset=shadowMapSizeInverse*10.;\nfloat penumbraRatio=((depthMetric-avgBlockerDepth)+AAOffset);\nfloat filterRadius=penumbraRatio*lightSizeUV*shadowMapSizeInverse;\nfloat random=getRand(vPositionFromLight.xy);\nfloat rotationAngle=random*3.1415926;\nvec2 rotationVector=vec2(cos(rotationAngle),sin(rotationAngle));\nfloat shadow=0.;\nfor (int i=0; i<pcfTapCount; i++) {\nvec3 offset=poissonSamplers[i];\noffset=vec3(offset.x*rotationVector.x-offset.y*rotationVector.y,offset.y*rotationVector.x+offset.x*rotationVector.y,0.);\nshadow+=texture2D(shadowSampler,uvDepth+offset*filterRadius);\n}\nshadow/=float(pcfTapCount);\nshadow=mix(shadow,1.,depthMetric-avgBlockerDepth);\nshadow=mix(darkness,1.,shadow);\nreturn computeFallOff(shadow,clipSpace.xy,frustumEdgeFalloff);\n}\n}\n}\n#define inline\nfloat computeShadowWithPCSS16(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)\n{\nreturn computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,16,PoissonSamplers32);\n}\n#define inline\nfloat computeShadowWithPCSS32(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)\n{\nreturn computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,32,PoissonSamplers32);\n}\n#define inline\nfloat computeShadowWithPCSS64(vec4 vPositionFromLight,float depthMetric,sampler2D depthSampler,highp sampler2DShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff)\n{\nreturn computeShadowWithPCSS(vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,32,64,PoissonSamplers64);\n}\n#define inline\nfloat computeShadowWithCSMPCSS16(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)\n{\nreturn computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,16,PoissonSamplers32,lightSizeUVCorrection,depthCorrection,penumbraDarkness);\n}\n#define inline\nfloat computeShadowWithCSMPCSS32(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)\n{\nreturn computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,16,32,PoissonSamplers32,lightSizeUVCorrection,depthCorrection,penumbraDarkness);\n}\n#define inline\nfloat computeShadowWithCSMPCSS64(float layer,vec4 vPositionFromLight,float depthMetric,highp sampler2DArray depthSampler,highp sampler2DArrayShadow shadowSampler,float shadowMapSizeInverse,float lightSizeUV,float darkness,float frustumEdgeFalloff,vec2 lightSizeUVCorrection,float depthCorrection,float penumbraDarkness)\n{\nreturn computeShadowWithCSMPCSS(layer,vPositionFromLight,depthMetric,depthSampler,shadowSampler,shadowMapSizeInverse,lightSizeUV,darkness,frustumEdgeFalloff,32,64,PoissonSamplers64,lightSizeUVCorrection,depthCorrection,penumbraDarkness);\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.samplerFragmentDeclaration = "#ifdef _DEFINENAME_\n#if _DEFINENAME_DIRECTUV==1\n#define v_VARYINGNAME_UV vMainUV1\n#elif _DEFINENAME_DIRECTUV==2\n#define v_VARYINGNAME_UV vMainUV2\n#elif _DEFINENAME_DIRECTUV==3\n#define v_VARYINGNAME_UV vMainUV3\n#elif _DEFINENAME_DIRECTUV==4\n#define v_VARYINGNAME_UV vMainUV4\n#elif _DEFINENAME_DIRECTUV==5\n#define v_VARYINGNAME_UV vMainUV5\n#elif _DEFINENAME_DIRECTUV==6\n#define v_VARYINGNAME_UV vMainUV6\n#else\nvarying vec2 v_VARYINGNAME_UV;\n#endif\nuniform sampler2D _SAMPLERNAME_Sampler;\n#endif\n";
        Pt.IncludesShadersStore.fresnelFunction = "#ifdef FRESNEL\nfloat computeFresnelTerm(vec3 viewDirection,vec3 worldNormal,float bias,float power)\n{\nfloat fresnelTerm=pow(bias+abs(dot(viewDirection,worldNormal)),power);\nreturn clamp(fresnelTerm,0.,1.);\n}\n#endif\n";
        Pt.IncludesShadersStore.reflectionFunction = "vec3 computeFixedEquirectangularCoords(vec4 worldPos,vec3 worldNormal,vec3 direction)\n{\nfloat lon=atan(direction.z,direction.x);\nfloat lat=acos(direction.y);\nvec2 sphereCoords=vec2(lon,lat)*RECIPROCAL_PI2*2.0;\nfloat s=sphereCoords.x*0.5+0.5;\nfloat t=sphereCoords.y;\nreturn vec3(s,t,0); \n}\nvec3 computeMirroredFixedEquirectangularCoords(vec4 worldPos,vec3 worldNormal,vec3 direction)\n{\nfloat lon=atan(direction.z,direction.x);\nfloat lat=acos(direction.y);\nvec2 sphereCoords=vec2(lon,lat)*RECIPROCAL_PI2*2.0;\nfloat s=sphereCoords.x*0.5+0.5;\nfloat t=sphereCoords.y;\nreturn vec3(1.0-s,t,0); \n}\nvec3 computeEquirectangularCoords(vec4 worldPos,vec3 worldNormal,vec3 eyePosition,mat4 reflectionMatrix)\n{\nvec3 cameraToVertex=normalize(worldPos.xyz-eyePosition);\nvec3 r=normalize(reflect(cameraToVertex,worldNormal));\nr=vec3(reflectionMatrix*vec4(r,0));\nfloat lon=atan(r.z,r.x);\nfloat lat=acos(r.y);\nvec2 sphereCoords=vec2(lon,lat)*RECIPROCAL_PI2*2.0;\nfloat s=sphereCoords.x*0.5+0.5;\nfloat t=sphereCoords.y;\nreturn vec3(s,t,0);\n}\nvec3 computeSphericalCoords(vec4 worldPos,vec3 worldNormal,mat4 view,mat4 reflectionMatrix)\n{\nvec3 viewDir=normalize(vec3(view*worldPos));\nvec3 viewNormal=normalize(vec3(view*vec4(worldNormal,0.0)));\nvec3 r=reflect(viewDir,viewNormal);\nr=vec3(reflectionMatrix*vec4(r,0));\nr.z=r.z-1.0;\nfloat m=2.0*length(r);\nreturn vec3(r.x/m+0.5,1.0-r.y/m-0.5,0);\n}\nvec3 computePlanarCoords(vec4 worldPos,vec3 worldNormal,vec3 eyePosition,mat4 reflectionMatrix)\n{\nvec3 viewDir=worldPos.xyz-eyePosition;\nvec3 coords=normalize(reflect(viewDir,worldNormal));\nreturn vec3(reflectionMatrix*vec4(coords,1));\n}\nvec3 computeCubicCoords(vec4 worldPos,vec3 worldNormal,vec3 eyePosition,mat4 reflectionMatrix)\n{\nvec3 viewDir=normalize(worldPos.xyz-eyePosition);\nvec3 coords=reflect(viewDir,worldNormal);\ncoords=vec3(reflectionMatrix*vec4(coords,0));\n#ifdef INVERTCUBICMAP\ncoords.y*=-1.0;\n#endif\nreturn coords;\n}\nvec3 computeCubicLocalCoords(vec4 worldPos,vec3 worldNormal,vec3 eyePosition,mat4 reflectionMatrix,vec3 reflectionSize,vec3 reflectionPosition)\n{\nvec3 viewDir=normalize(worldPos.xyz-eyePosition);\nvec3 coords=reflect(viewDir,worldNormal);\ncoords=parallaxCorrectNormal(worldPos.xyz,coords,reflectionSize,reflectionPosition);\ncoords=vec3(reflectionMatrix*vec4(coords,0));\n#ifdef INVERTCUBICMAP\ncoords.y*=-1.0;\n#endif\nreturn coords;\n}\nvec3 computeProjectionCoords(vec4 worldPos,mat4 view,mat4 reflectionMatrix)\n{\nreturn vec3(reflectionMatrix*(view*worldPos));\n}\nvec3 computeSkyBoxCoords(vec3 positionW,mat4 reflectionMatrix)\n{\nreturn vec3(reflectionMatrix*vec4(positionW,1.));\n}\n#ifdef REFLECTION\nvec3 computeReflectionCoords(vec4 worldPos,vec3 worldNormal)\n{\n#ifdef REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED\nvec3 direction=normalize(vDirectionW);\nreturn computeMirroredFixedEquirectangularCoords(worldPos,worldNormal,direction);\n#endif\n#ifdef REFLECTIONMAP_EQUIRECTANGULAR_FIXED\nvec3 direction=normalize(vDirectionW);\nreturn computeFixedEquirectangularCoords(worldPos,worldNormal,direction);\n#endif\n#ifdef REFLECTIONMAP_EQUIRECTANGULAR\nreturn computeEquirectangularCoords(worldPos,worldNormal,vEyePosition.xyz,reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_SPHERICAL\nreturn computeSphericalCoords(worldPos,worldNormal,view,reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_PLANAR\nreturn computePlanarCoords(worldPos,worldNormal,vEyePosition.xyz,reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_CUBIC\n#ifdef USE_LOCAL_REFLECTIONMAP_CUBIC\nreturn computeCubicLocalCoords(worldPos,worldNormal,vEyePosition.xyz,reflectionMatrix,vReflectionSize,vReflectionPosition);\n#else\nreturn computeCubicCoords(worldPos,worldNormal,vEyePosition.xyz,reflectionMatrix);\n#endif\n#endif\n#ifdef REFLECTIONMAP_PROJECTION\nreturn computeProjectionCoords(worldPos,view,reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nreturn computeSkyBoxCoords(vPositionUVW,reflectionMatrix);\n#endif\n#ifdef REFLECTIONMAP_EXPLICIT\nreturn vec3(0,0,0);\n#endif\n}\n#endif\n";
        Pt.IncludesShadersStore.imageProcessingDeclaration = "#ifdef EXPOSURE\nuniform float exposureLinear;\n#endif\n#ifdef CONTRAST\nuniform float contrast;\n#endif\n#ifdef VIGNETTE\nuniform vec2 vInverseScreenSize;\nuniform vec4 vignetteSettings1;\nuniform vec4 vignetteSettings2;\n#endif\n#ifdef COLORCURVES\nuniform vec4 vCameraColorCurveNegative;\nuniform vec4 vCameraColorCurveNeutral;\nuniform vec4 vCameraColorCurvePositive;\n#endif\n#ifdef COLORGRADING\n#ifdef COLORGRADING3D\nuniform highp sampler3D txColorTransform;\n#else\nuniform sampler2D txColorTransform;\n#endif\nuniform vec4 colorTransformSettings;\n#endif\n";
        Pt.IncludesShadersStore.imageProcessingFunctions = "#if defined(COLORGRADING) && !defined(COLORGRADING3D)\n/** \n* Polyfill for SAMPLE_TEXTURE_3D,which is unsupported in WebGL.\n* sampler3dSetting.x=textureOffset (0.5/textureSize).\n* sampler3dSetting.y=textureSize.\n*/\n#define inline\nvec3 sampleTexture3D(sampler2D colorTransform,vec3 color,vec2 sampler3dSetting)\n{\nfloat sliceSize=2.0*sampler3dSetting.x; \n#ifdef SAMPLER3DGREENDEPTH\nfloat sliceContinuous=(color.g-sampler3dSetting.x)*sampler3dSetting.y;\n#else\nfloat sliceContinuous=(color.b-sampler3dSetting.x)*sampler3dSetting.y;\n#endif\nfloat sliceInteger=floor(sliceContinuous);\nfloat sliceFraction=sliceContinuous-sliceInteger;\n#ifdef SAMPLER3DGREENDEPTH\nvec2 sliceUV=color.rb;\n#else\nvec2 sliceUV=color.rg;\n#endif\nsliceUV.x*=sliceSize;\nsliceUV.x+=sliceInteger*sliceSize;\nsliceUV=saturate(sliceUV);\nvec4 slice0Color=texture2D(colorTransform,sliceUV);\nsliceUV.x+=sliceSize;\nsliceUV=saturate(sliceUV);\nvec4 slice1Color=texture2D(colorTransform,sliceUV);\nvec3 result=mix(slice0Color.rgb,slice1Color.rgb,sliceFraction);\n#ifdef SAMPLER3DBGRMAP\ncolor.rgb=result.rgb;\n#else\ncolor.rgb=result.bgr;\n#endif\nreturn color;\n}\n#endif\n#ifdef TONEMAPPING_ACES\nconst mat3 ACESInputMat=mat3(\nvec3(0.59719,0.07600,0.02840),\nvec3(0.35458,0.90834,0.13383),\nvec3(0.04823,0.01566,0.83777)\n);\nconst mat3 ACESOutputMat=mat3(\nvec3( 1.60475,-0.10208,-0.00327),\nvec3(-0.53108, 1.10813,-0.07276),\nvec3(-0.07367,-0.00605, 1.07602)\n);\nvec3 RRTAndODTFit(vec3 v)\n{\nvec3 a=v*(v+0.0245786)-0.000090537;\nvec3 b=v*(0.983729*v+0.4329510)+0.238081;\nreturn a/b;\n}\nvec3 ACESFitted(vec3 color)\n{\ncolor=ACESInputMat*color;\ncolor=RRTAndODTFit(color);\ncolor=ACESOutputMat*color;\ncolor=saturate(color);\nreturn color;\n}\n#endif\nvec4 applyImageProcessing(vec4 result) {\n#ifdef EXPOSURE\nresult.rgb*=exposureLinear;\n#endif\n#ifdef VIGNETTE\nvec2 viewportXY=gl_FragCoord.xy*vInverseScreenSize;\nviewportXY=viewportXY*2.0-1.0;\nvec3 vignetteXY1=vec3(viewportXY*vignetteSettings1.xy+vignetteSettings1.zw,1.0);\nfloat vignetteTerm=dot(vignetteXY1,vignetteXY1);\nfloat vignette=pow(vignetteTerm,vignetteSettings2.w);\nvec3 vignetteColor=vignetteSettings2.rgb;\n#ifdef VIGNETTEBLENDMODEMULTIPLY\nvec3 vignetteColorMultiplier=mix(vignetteColor,vec3(1,1,1),vignette);\nresult.rgb*=vignetteColorMultiplier;\n#endif\n#ifdef VIGNETTEBLENDMODEOPAQUE\nresult.rgb=mix(vignetteColor,result.rgb,vignette);\n#endif\n#endif\n#ifdef TONEMAPPING\n#ifdef TONEMAPPING_ACES\nresult.rgb=ACESFitted(result.rgb);\n#else\nconst float tonemappingCalibration=1.590579;\nresult.rgb=1.0-exp2(-tonemappingCalibration*result.rgb);\n#endif\n#endif\nresult.rgb=toGammaSpace(result.rgb);\nresult.rgb=saturate(result.rgb);\n#ifdef CONTRAST\nvec3 resultHighContrast=result.rgb*result.rgb*(3.0-2.0*result.rgb);\nif (contrast<1.0) {\nresult.rgb=mix(vec3(0.5,0.5,0.5),result.rgb,contrast);\n} else {\nresult.rgb=mix(result.rgb,resultHighContrast,contrast-1.0);\n}\n#endif\n#ifdef COLORGRADING\nvec3 colorTransformInput=result.rgb*colorTransformSettings.xxx+colorTransformSettings.yyy;\n#ifdef COLORGRADING3D\nvec3 colorTransformOutput=texture(txColorTransform,colorTransformInput).rgb;\n#else\nvec3 colorTransformOutput=sampleTexture3D(txColorTransform,colorTransformInput,colorTransformSettings.yz).rgb;\n#endif\nresult.rgb=mix(result.rgb,colorTransformOutput,colorTransformSettings.www);\n#endif\n#ifdef COLORCURVES\nfloat luma=getLuminance(result.rgb);\nvec2 curveMix=clamp(vec2(luma*3.0-1.5,luma*-3.0+1.5),vec2(0.0),vec2(1.0));\nvec4 colorCurve=vCameraColorCurveNeutral+curveMix.x*vCameraColorCurvePositive-curveMix.y*vCameraColorCurveNegative;\nresult.rgb*=colorCurve.rgb;\nresult.rgb=mix(vec3(luma),result.rgb,colorCurve.a);\n#endif\nreturn result;\n}";
        Pt.IncludesShadersStore.bumpFragmentMainFunctions = "#if defined(BUMP) || defined(CLEARCOAT_BUMP) || defined(ANISOTROPIC) || defined(DETAIL)\n#if defined(TANGENT) && defined(NORMAL) \nvarying mat3 vTBN;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\nuniform mat4 normalMatrix;\n#endif\nvec3 perturbNormalBase(mat3 cotangentFrame,vec3 normal,float scale)\n{\n#ifdef NORMALXYSCALE\nnormal=normalize(normal*vec3(scale,scale,1.0));\n#endif\nreturn normalize(cotangentFrame*normal);\n}\nvec3 perturbNormal(mat3 cotangentFrame,vec3 textureSample,float scale)\n{\nreturn perturbNormalBase(cotangentFrame,textureSample*2.0-1.0,scale);\n}\nmat3 cotangent_frame(vec3 normal,vec3 p,vec2 uv,vec2 tangentSpaceParams)\n{\nvec3 dp1=dFdx(p);\nvec3 dp2=dFdy(p);\nvec2 duv1=dFdx(uv);\nvec2 duv2=dFdy(uv);\nvec3 dp2perp=cross(dp2,normal);\nvec3 dp1perp=cross(normal,dp1);\nvec3 tangent=dp2perp*duv1.x+dp1perp*duv2.x;\nvec3 bitangent=dp2perp*duv1.y+dp1perp*duv2.y;\ntangent*=tangentSpaceParams.x;\nbitangent*=tangentSpaceParams.y;\nfloat invmax=inversesqrt(max(dot(tangent,tangent),dot(bitangent,bitangent)));\nreturn mat3(tangent*invmax,bitangent*invmax,normal);\n}\n#endif\n";
        Pt.IncludesShadersStore.bumpFragmentFunctions = "#if defined(BUMP)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump,_SAMPLERNAME_,bump)\n#endif\n#if defined(DETAIL)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,DETAIL,_VARYINGNAME_,Detail,_SAMPLERNAME_,detail)\n#endif\n#if defined(BUMP) && defined(PARALLAX)\nconst float minSamples=4.;\nconst float maxSamples=15.;\nconst int iMaxSamples=15;\nvec2 parallaxOcclusion(vec3 vViewDirCoT,vec3 vNormalCoT,vec2 texCoord,float parallaxScale) {\nfloat parallaxLimit=length(vViewDirCoT.xy)/vViewDirCoT.z;\nparallaxLimit*=parallaxScale;\nvec2 vOffsetDir=normalize(vViewDirCoT.xy);\nvec2 vMaxOffset=vOffsetDir*parallaxLimit;\nfloat numSamples=maxSamples+(dot(vViewDirCoT,vNormalCoT)*(minSamples-maxSamples));\nfloat stepSize=1.0/numSamples;\nfloat currRayHeight=1.0;\nvec2 vCurrOffset=vec2(0,0);\nvec2 vLastOffset=vec2(0,0);\nfloat lastSampledHeight=1.0;\nfloat currSampledHeight=1.0;\nfor (int i=0; i<iMaxSamples; i++)\n{\ncurrSampledHeight=texture2D(bumpSampler,texCoord+vCurrOffset).w;\nif (currSampledHeight>currRayHeight)\n{\nfloat delta1=currSampledHeight-currRayHeight;\nfloat delta2=(currRayHeight+stepSize)-lastSampledHeight;\nfloat ratio=delta1/(delta1+delta2);\nvCurrOffset=(ratio)* vLastOffset+(1.0-ratio)*vCurrOffset;\nbreak;\n}\nelse\n{\ncurrRayHeight-=stepSize;\nvLastOffset=vCurrOffset;\nvCurrOffset+=stepSize*vMaxOffset;\nlastSampledHeight=currSampledHeight;\n}\n}\nreturn vCurrOffset;\n}\nvec2 parallaxOffset(vec3 viewDir,float heightScale)\n{\nfloat height=texture2D(bumpSampler,vBumpUV).w;\nvec2 texCoordOffset=heightScale*viewDir.xy*height;\nreturn -texCoordOffset;\n}\n#endif\n";
        Pt.IncludesShadersStore.clipPlaneFragmentDeclaration = "#ifdef CLIPPLANE\nvarying float fClipDistance;\n#endif\n#ifdef CLIPPLANE2\nvarying float fClipDistance2;\n#endif\n#ifdef CLIPPLANE3\nvarying float fClipDistance3;\n#endif\n#ifdef CLIPPLANE4\nvarying float fClipDistance4;\n#endif\n#ifdef CLIPPLANE5\nvarying float fClipDistance5;\n#endif\n#ifdef CLIPPLANE6\nvarying float fClipDistance6;\n#endif\n";
        Pt.IncludesShadersStore.logDepthDeclaration = "#ifdef LOGARITHMICDEPTH\nuniform float logarithmicDepthConstant;\nvarying float vFragmentDepth;\n#endif\n";
        Pt.IncludesShadersStore.fogFragmentDeclaration = "#ifdef FOG\n#define FOGMODE_NONE 0.\n#define FOGMODE_EXP 1.\n#define FOGMODE_EXP2 2.\n#define FOGMODE_LINEAR 3.\n#define E 2.71828\nuniform vec4 vFogInfos;\nuniform vec3 vFogColor;\nvarying vec3 vFogDistance;\nfloat CalcFogFactor()\n{\nfloat fogCoeff=1.0;\nfloat fogStart=vFogInfos.y;\nfloat fogEnd=vFogInfos.z;\nfloat fogDensity=vFogInfos.w;\nfloat fogDistance=length(vFogDistance);\nif (FOGMODE_LINEAR==vFogInfos.x)\n{\nfogCoeff=(fogEnd-fogDistance)/(fogEnd-fogStart);\n}\nelse if (FOGMODE_EXP==vFogInfos.x)\n{\nfogCoeff=1.0/pow(E,fogDistance*fogDensity);\n}\nelse if (FOGMODE_EXP2==vFogInfos.x)\n{\nfogCoeff=1.0/pow(E,fogDistance*fogDistance*fogDensity*fogDensity);\n}\nreturn clamp(fogCoeff,0.0,1.0);\n}\n#endif\n";
        Pt.IncludesShadersStore.oitFragment = "#ifdef ORDER_INDEPENDENT_TRANSPARENCY\nfloat fragDepth=gl_FragCoord.z; \n#ifdef ORDER_INDEPENDENT_TRANSPARENCY_16BITS\nuint halfFloat=packHalf2x16(vec2(fragDepth));\nvec2 full=unpackHalf2x16(halfFloat);\nfragDepth=full.x;\n#endif\nivec2 fragCoord=ivec2(gl_FragCoord.xy);\nvec2 lastDepth=texelFetch(oitDepthSampler,fragCoord,0).rg;\nvec4 lastFrontColor=texelFetch(oitFrontColorSampler,fragCoord,0);\ndepth.rg=vec2(-MAX_DEPTH);\nfrontColor=lastFrontColor;\nbackColor=vec4(0.0);\n#ifdef USE_REVERSE_DEPTHBUFFER\nfloat furthestDepth=-lastDepth.x;\nfloat nearestDepth=lastDepth.y;\n#else\nfloat nearestDepth=-lastDepth.x;\nfloat furthestDepth=lastDepth.y;\n#endif\nfloat alphaMultiplier=1.0-lastFrontColor.a;\n#ifdef USE_REVERSE_DEPTHBUFFER\nif (fragDepth>nearestDepth || fragDepth<furthestDepth) {\n#else\nif (fragDepth<nearestDepth || fragDepth>furthestDepth) {\n#endif\nreturn;\n}\n#ifdef USE_REVERSE_DEPTHBUFFER\nif (fragDepth<nearestDepth && fragDepth>furthestDepth) {\n#else\nif (fragDepth>nearestDepth && fragDepth<furthestDepth) {\n#endif\ndepth.rg=vec2(-fragDepth,fragDepth);\nreturn;\n}\n#endif\n";
        Pt.IncludesShadersStore.clipPlaneFragment = "#if defined(CLIPPLANE) || defined(CLIPPLANE2) || defined(CLIPPLANE3) || defined(CLIPPLANE4) || defined(CLIPPLANE5) || defined(CLIPPLANE6)\nif (false) {}\n#endif\n#ifdef CLIPPLANE\nelse if (fClipDistance>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE2\nelse if (fClipDistance2>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE3\nelse if (fClipDistance3>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE4\nelse if (fClipDistance4>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE5\nelse if (fClipDistance5>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE6\nelse if (fClipDistance6>0.0)\n{\ndiscard;\n}\n#endif\n";
        Pt.IncludesShadersStore.bumpFragment = "vec2 uvOffset=vec2(0.0,0.0);\n#if defined(BUMP) || defined(PARALLAX) || defined(DETAIL)\n#ifdef NORMALXYSCALE\nfloat normalScale=1.0;\n#elif defined(BUMP)\nfloat normalScale=vBumpInfos.y;\n#else\nfloat normalScale=1.0;\n#endif\n#if defined(TANGENT) && defined(NORMAL)\nmat3 TBN=vTBN;\n#elif defined(BUMP)\nvec2 TBNUV=gl_FrontFacing ? vBumpUV : -vBumpUV;\nmat3 TBN=cotangent_frame(normalW*normalScale,vPositionW,TBNUV,vTangentSpaceParams);\n#else\nvec2 TBNUV=gl_FrontFacing ? vDetailUV : -vDetailUV;\nmat3 TBN=cotangent_frame(normalW*normalScale,vPositionW,TBNUV,vec2(1.,1.));\n#endif\n#elif defined(ANISOTROPIC)\n#if defined(TANGENT) && defined(NORMAL)\nmat3 TBN=vTBN;\n#else\nvec2 TBNUV=gl_FrontFacing ? vMainUV1 : -vMainUV1;\nmat3 TBN=cotangent_frame(normalW,vPositionW,TBNUV,vec2(1.,1.));\n#endif\n#endif\n#ifdef PARALLAX\nmat3 invTBN=transposeMat3(TBN);\n#ifdef PARALLAXOCCLUSION\nuvOffset=parallaxOcclusion(invTBN*-viewDirectionW,invTBN*normalW,vBumpUV,vBumpInfos.z);\n#else\nuvOffset=parallaxOffset(invTBN*viewDirectionW,vBumpInfos.z);\n#endif\n#endif\n#ifdef DETAIL\nvec4 detailColor=texture2D(detailSampler,vDetailUV+uvOffset);\nvec2 detailNormalRG=detailColor.wy*2.0-1.0;\nfloat detailNormalB=sqrt(1.-saturate(dot(detailNormalRG,detailNormalRG)));\nvec3 detailNormal=vec3(detailNormalRG,detailNormalB);\n#endif\n#ifdef BUMP\n#ifdef OBJECTSPACE_NORMALMAP\nnormalW=normalize(texture2D(bumpSampler,vBumpUV).xyz *2.0-1.0);\nnormalW=normalize(mat3(normalMatrix)*normalW);\n#elif !defined(DETAIL)\nnormalW=perturbNormal(TBN,texture2D(bumpSampler,vBumpUV+uvOffset).xyz,vBumpInfos.y);\n#else\nvec3 bumpNormal=texture2D(bumpSampler,vBumpUV+uvOffset).xyz*2.0-1.0;\n#if DETAIL_NORMALBLENDMETHOD==0 \ndetailNormal.xy*=vDetailInfos.z;\nvec3 blendedNormal=normalize(vec3(bumpNormal.xy+detailNormal.xy,bumpNormal.z*detailNormal.z));\n#elif DETAIL_NORMALBLENDMETHOD==1 \ndetailNormal.xy*=vDetailInfos.z;\nbumpNormal+=vec3(0.0,0.0,1.0);\ndetailNormal*=vec3(-1.0,-1.0,1.0);\nvec3 blendedNormal=bumpNormal*dot(bumpNormal,detailNormal)/bumpNormal.z-detailNormal;\n#endif\nnormalW=perturbNormalBase(TBN,blendedNormal,vBumpInfos.y);\n#endif\n#elif defined(DETAIL)\ndetailNormal.xy*=vDetailInfos.z;\nnormalW=perturbNormalBase(TBN,detailNormal,vDetailInfos.z);\n#endif\n";
        Pt.IncludesShadersStore.depthPrePass = "#ifdef DEPTHPREPASS\ngl_FragColor=vec4(0.,0.,0.,1.0);\nreturn;\n#endif\n";
        Pt.IncludesShadersStore.lightFragment = "#ifdef LIGHT{X}\n#if defined(SHADOWONLY) || defined(LIGHTMAP) && defined(LIGHTMAPEXCLUDED{X}) && defined(LIGHTMAPNOSPECULAR{X})\n#else\n#ifdef PBR\n#ifdef SPOTLIGHT{X}\npreInfo=computePointAndSpotPreLightingInfo(light{X}.vLightData,viewDirectionW,normalW);\n#elif defined(POINTLIGHT{X})\npreInfo=computePointAndSpotPreLightingInfo(light{X}.vLightData,viewDirectionW,normalW);\n#elif defined(HEMILIGHT{X})\npreInfo=computeHemisphericPreLightingInfo(light{X}.vLightData,viewDirectionW,normalW);\n#elif defined(DIRLIGHT{X})\npreInfo=computeDirectionalPreLightingInfo(light{X}.vLightData,viewDirectionW,normalW);\n#endif\npreInfo.NdotV=NdotV;\n#ifdef SPOTLIGHT{X}\n#ifdef LIGHT_FALLOFF_GLTF{X}\npreInfo.attenuation=computeDistanceLightFalloff_GLTF(preInfo.lightDistanceSquared,light{X}.vLightFalloff.y);\npreInfo.attenuation*=computeDirectionalLightFalloff_GLTF(light{X}.vLightDirection.xyz,preInfo.L,light{X}.vLightFalloff.z,light{X}.vLightFalloff.w);\n#elif defined(LIGHT_FALLOFF_PHYSICAL{X})\npreInfo.attenuation=computeDistanceLightFalloff_Physical(preInfo.lightDistanceSquared);\npreInfo.attenuation*=computeDirectionalLightFalloff_Physical(light{X}.vLightDirection.xyz,preInfo.L,light{X}.vLightDirection.w);\n#elif defined(LIGHT_FALLOFF_STANDARD{X})\npreInfo.attenuation=computeDistanceLightFalloff_Standard(preInfo.lightOffset,light{X}.vLightFalloff.x);\npreInfo.attenuation*=computeDirectionalLightFalloff_Standard(light{X}.vLightDirection.xyz,preInfo.L,light{X}.vLightDirection.w,light{X}.vLightData.w);\n#else\npreInfo.attenuation=computeDistanceLightFalloff(preInfo.lightOffset,preInfo.lightDistanceSquared,light{X}.vLightFalloff.x,light{X}.vLightFalloff.y);\npreInfo.attenuation*=computeDirectionalLightFalloff(light{X}.vLightDirection.xyz,preInfo.L,light{X}.vLightDirection.w,light{X}.vLightData.w,light{X}.vLightFalloff.z,light{X}.vLightFalloff.w);\n#endif\n#elif defined(POINTLIGHT{X})\n#ifdef LIGHT_FALLOFF_GLTF{X}\npreInfo.attenuation=computeDistanceLightFalloff_GLTF(preInfo.lightDistanceSquared,light{X}.vLightFalloff.y);\n#elif defined(LIGHT_FALLOFF_PHYSICAL{X})\npreInfo.attenuation=computeDistanceLightFalloff_Physical(preInfo.lightDistanceSquared);\n#elif defined(LIGHT_FALLOFF_STANDARD{X})\npreInfo.attenuation=computeDistanceLightFalloff_Standard(preInfo.lightOffset,light{X}.vLightFalloff.x);\n#else\npreInfo.attenuation=computeDistanceLightFalloff(preInfo.lightOffset,preInfo.lightDistanceSquared,light{X}.vLightFalloff.x,light{X}.vLightFalloff.y);\n#endif\n#else\npreInfo.attenuation=1.0;\n#endif\n#ifdef HEMILIGHT{X}\npreInfo.roughness=roughness;\n#else\npreInfo.roughness=adjustRoughnessFromLightProperties(roughness,light{X}.vLightSpecular.a,preInfo.lightDistance);\n#endif\n#ifdef HEMILIGHT{X}\ninfo.diffuse=computeHemisphericDiffuseLighting(preInfo,light{X}.vLightDiffuse.rgb,light{X}.vLightGround);\n#elif defined(SS_TRANSLUCENCY)\ninfo.diffuse=computeDiffuseAndTransmittedLighting(preInfo,light{X}.vLightDiffuse.rgb,subSurfaceOut.transmittance);\n#else\ninfo.diffuse=computeDiffuseLighting(preInfo,light{X}.vLightDiffuse.rgb);\n#endif\n#ifdef SPECULARTERM\n#ifdef ANISOTROPIC\ninfo.specular=computeAnisotropicSpecularLighting(preInfo,viewDirectionW,normalW,anisotropicOut.anisotropicTangent,anisotropicOut.anisotropicBitangent,anisotropicOut.anisotropy,clearcoatOut.specularEnvironmentR0,specularEnvironmentR90,AARoughnessFactors.x,light{X}.vLightDiffuse.rgb);\n#else\ninfo.specular=computeSpecularLighting(preInfo,normalW,clearcoatOut.specularEnvironmentR0,specularEnvironmentR90,AARoughnessFactors.x,light{X}.vLightDiffuse.rgb);\n#endif\n#endif\n#ifdef SHEEN\n#ifdef SHEEN_LINKWITHALBEDO\npreInfo.roughness=sheenOut.sheenIntensity;\n#else\n#ifdef HEMILIGHT{X}\npreInfo.roughness=sheenOut.sheenRoughness;\n#else\npreInfo.roughness=adjustRoughnessFromLightProperties(sheenOut.sheenRoughness,light{X}.vLightSpecular.a,preInfo.lightDistance);\n#endif\n#endif\ninfo.sheen=computeSheenLighting(preInfo,normalW,sheenOut.sheenColor,specularEnvironmentR90,AARoughnessFactors.x,light{X}.vLightDiffuse.rgb);\n#endif\n#ifdef CLEARCOAT\n#ifdef HEMILIGHT{X}\npreInfo.roughness=clearcoatOut.clearCoatRoughness;\n#else\npreInfo.roughness=adjustRoughnessFromLightProperties(clearcoatOut.clearCoatRoughness,light{X}.vLightSpecular.a,preInfo.lightDistance);\n#endif\ninfo.clearCoat=computeClearCoatLighting(preInfo,clearcoatOut.clearCoatNormalW,clearcoatOut.clearCoatAARoughnessFactors.x,clearcoatOut.clearCoatIntensity,light{X}.vLightDiffuse.rgb);\n#ifdef CLEARCOAT_TINT\nabsorption=computeClearCoatLightingAbsorption(clearcoatOut.clearCoatNdotVRefract,preInfo.L,clearcoatOut.clearCoatNormalW,clearcoatOut.clearCoatColor,clearcoatOut.clearCoatThickness,clearcoatOut.clearCoatIntensity);\ninfo.diffuse*=absorption;\n#ifdef SPECULARTERM\ninfo.specular*=absorption;\n#endif\n#endif\ninfo.diffuse*=info.clearCoat.w;\n#ifdef SPECULARTERM\ninfo.specular*=info.clearCoat.w;\n#endif\n#ifdef SHEEN\ninfo.sheen*=info.clearCoat.w;\n#endif\n#endif\n#else\n#ifdef SPOTLIGHT{X}\ninfo=computeSpotLighting(viewDirectionW,normalW,light{X}.vLightData,light{X}.vLightDirection,light{X}.vLightDiffuse.rgb,light{X}.vLightSpecular.rgb,light{X}.vLightDiffuse.a,glossiness);\n#elif defined(HEMILIGHT{X})\ninfo=computeHemisphericLighting(viewDirectionW,normalW,light{X}.vLightData,light{X}.vLightDiffuse.rgb,light{X}.vLightSpecular.rgb,light{X}.vLightGround,glossiness);\n#elif defined(POINTLIGHT{X}) || defined(DIRLIGHT{X})\ninfo=computeLighting(viewDirectionW,normalW,light{X}.vLightData,light{X}.vLightDiffuse.rgb,light{X}.vLightSpecular.rgb,light{X}.vLightDiffuse.a,glossiness);\n#endif\n#endif\n#ifdef PROJECTEDLIGHTTEXTURE{X}\ninfo.diffuse*=computeProjectionTextureDiffuseLighting(projectionLightSampler{X},textureProjectionMatrix{X});\n#endif\n#endif\n#ifdef SHADOW{X}\n#ifdef SHADOWCSM{X}\nfor (int i=0; i<SHADOWCSMNUM_CASCADES{X}; i++) \n{\n#ifdef SHADOWCSM_RIGHTHANDED{X}\ndiff{X}=viewFrustumZ{X}[i]+vPositionFromCamera{X}.z;\n#else\ndiff{X}=viewFrustumZ{X}[i]-vPositionFromCamera{X}.z;\n#endif\nif (diff{X}>=0.) {\nindex{X}=i;\nbreak;\n}\n}\n#ifdef SHADOWCSMUSESHADOWMAXZ{X}\nif (index{X}>=0)\n#endif\n{\n#if defined(SHADOWPCF{X})\n#if defined(SHADOWLOWQUALITY{X})\nshadow=computeShadowWithCSMPCF1(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#elif defined(SHADOWMEDIUMQUALITY{X})\nshadow=computeShadowWithCSMPCF3(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#else\nshadow=computeShadowWithCSMPCF5(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWPCSS{X})\n#if defined(SHADOWLOWQUALITY{X})\nshadow=computeShadowWithCSMPCSS16(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#elif defined(SHADOWMEDIUMQUALITY{X})\nshadow=computeShadowWithCSMPCSS32(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#else\nshadow=computeShadowWithCSMPCSS64(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#endif\n#else\nshadow=computeShadowCSM(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#ifdef SHADOWCSMDEBUG{X}\nshadowDebug{X}=vec3(shadow)*vCascadeColorsMultiplier{X}[index{X}];\n#endif\n#ifndef SHADOWCSMNOBLEND{X}\nfloat frustumLength=frustumLengths{X}[index{X}];\nfloat diffRatio=clamp(diff{X}/frustumLength,0.,1.)*cascadeBlendFactor{X};\nif (index{X}<(SHADOWCSMNUM_CASCADES{X}-1) && diffRatio<1.)\n{\nindex{X}+=1;\nfloat nextShadow=0.;\n#if defined(SHADOWPCF{X})\n#if defined(SHADOWLOWQUALITY{X})\nnextShadow=computeShadowWithCSMPCF1(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#elif defined(SHADOWMEDIUMQUALITY{X})\nnextShadow=computeShadowWithCSMPCF3(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#else\nnextShadow=computeShadowWithCSMPCF5(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWPCSS{X})\n#if defined(SHADOWLOWQUALITY{X})\nnextShadow=computeShadowWithCSMPCSS16(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#elif defined(SHADOWMEDIUMQUALITY{X})\nnextShadow=computeShadowWithCSMPCSS32(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#else\nnextShadow=computeShadowWithCSMPCSS64(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w,lightSizeUVCorrection{X}[index{X}],depthCorrection{X}[index{X}],penumbraDarkness{X});\n#endif\n#else\nnextShadow=computeShadowCSM(float(index{X}),vPositionFromLight{X}[index{X}],vDepthMetric{X}[index{X}],shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\nshadow=mix(nextShadow,shadow,diffRatio);\n#ifdef SHADOWCSMDEBUG{X}\nshadowDebug{X}=mix(vec3(nextShadow)*vCascadeColorsMultiplier{X}[index{X}],shadowDebug{X},diffRatio);\n#endif\n}\n#endif\n}\n#elif defined(SHADOWCLOSEESM{X})\n#if defined(SHADOWCUBE{X})\nshadow=computeShadowWithCloseESMCube(light{X}.vLightData.xyz,shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.z,light{X}.depthValues);\n#else\nshadow=computeShadowWithCloseESM(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.z,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWESM{X})\n#if defined(SHADOWCUBE{X})\nshadow=computeShadowWithESMCube(light{X}.vLightData.xyz,shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.z,light{X}.depthValues);\n#else\nshadow=computeShadowWithESM(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.z,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWPOISSON{X})\n#if defined(SHADOWCUBE{X})\nshadow=computeShadowWithPoissonSamplingCube(light{X}.vLightData.xyz,shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.x,light{X}.depthValues);\n#else\nshadow=computeShadowWithPoissonSampling(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWPCF{X})\n#if defined(SHADOWLOWQUALITY{X})\nshadow=computeShadowWithPCF1(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#elif defined(SHADOWMEDIUMQUALITY{X})\nshadow=computeShadowWithPCF3(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#else\nshadow=computeShadowWithPCF5(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.yz,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#elif defined(SHADOWPCSS{X})\n#if defined(SHADOWLOWQUALITY{X})\nshadow=computeShadowWithPCSS16(vPositionFromLight{X},vDepthMetric{X},depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#elif defined(SHADOWMEDIUMQUALITY{X})\nshadow=computeShadowWithPCSS32(vPositionFromLight{X},vDepthMetric{X},depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#else\nshadow=computeShadowWithPCSS64(vPositionFromLight{X},vDepthMetric{X},depthSampler{X},shadowSampler{X},light{X}.shadowsInfo.y,light{X}.shadowsInfo.z,light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#else\n#if defined(SHADOWCUBE{X})\nshadow=computeShadowCube(light{X}.vLightData.xyz,shadowSampler{X},light{X}.shadowsInfo.x,light{X}.depthValues);\n#else\nshadow=computeShadow(vPositionFromLight{X},vDepthMetric{X},shadowSampler{X},light{X}.shadowsInfo.x,light{X}.shadowsInfo.w);\n#endif\n#endif\n#ifdef SHADOWONLY\n#ifndef SHADOWINUSE\n#define SHADOWINUSE\n#endif\nglobalShadow+=shadow;\nshadowLightCount+=1.0;\n#endif\n#else\nshadow=1.;\n#endif\n#ifndef SHADOWONLY\n#ifdef CUSTOMUSERLIGHTING\ndiffuseBase+=computeCustomDiffuseLighting(info,diffuseBase,shadow);\n#ifdef SPECULARTERM\nspecularBase+=computeCustomSpecularLighting(info,specularBase,shadow);\n#endif\n#elif defined(LIGHTMAP) && defined(LIGHTMAPEXCLUDED{X})\ndiffuseBase+=lightmapColor.rgb*shadow;\n#ifdef SPECULARTERM\n#ifndef LIGHTMAPNOSPECULAR{X}\nspecularBase+=info.specular*shadow*lightmapColor.rgb;\n#endif\n#endif\n#ifdef CLEARCOAT\n#ifndef LIGHTMAPNOSPECULAR{X}\nclearCoatBase+=info.clearCoat.rgb*shadow*lightmapColor.rgb;\n#endif\n#endif\n#ifdef SHEEN\n#ifndef LIGHTMAPNOSPECULAR{X}\nsheenBase+=info.sheen.rgb*shadow;\n#endif\n#endif\n#else\n#ifdef SHADOWCSMDEBUG{X}\ndiffuseBase+=info.diffuse*shadowDebug{X};\n#else \ndiffuseBase+=info.diffuse*shadow;\n#endif\n#ifdef SPECULARTERM\nspecularBase+=info.specular*shadow;\n#endif\n#ifdef CLEARCOAT\nclearCoatBase+=info.clearCoat.rgb*shadow;\n#endif\n#ifdef SHEEN\nsheenBase+=info.sheen.rgb*shadow;\n#endif\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.logDepthFragment = "#ifdef LOGARITHMICDEPTH\ngl_FragDepthEXT=log2(vFragmentDepth)*logarithmicDepthConstant*0.5;\n#endif\n";
        Pt.IncludesShadersStore.fogFragment = "#ifdef FOG\nfloat fog=CalcFogFactor();\n#ifdef PBR\nfog=toLinearSpace(fog);\n#endif\ncolor.rgb=mix(vFogColor,color.rgb,fog);\n#endif\n";
        Pt.ShadersStore.defaultPixelShader = "#include<__decl__defaultFragment>\n#if defined(BUMP) || !defined(NORMAL)\n#extension GL_OES_standard_derivatives : enable\n#endif\n#include<prePassDeclaration>[SCENE_MRT_COUNT]\n#include<oitDeclaration>\n#define CUSTOM_FRAGMENT_BEGIN\n#ifdef LOGARITHMICDEPTH\n#extension GL_EXT_frag_depth : enable\n#endif\n#define RECIPROCAL_PI2 0.15915494\nvarying vec3 vPositionW;\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#endif\n#include<mainUVVaryingDeclaration>[1..7]\n#include<helperFunctions>\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\n#include<lightsFragmentFunctions>\n#include<shadowsFragmentFunctions>\n#include<samplerFragmentDeclaration>(_DEFINENAME_,DIFFUSE,_VARYINGNAME_,Diffuse,_SAMPLERNAME_,diffuse)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient,_SAMPLERNAME_,ambient)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity,_SAMPLERNAME_,opacity)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive,_SAMPLERNAME_,emissive)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap,_SAMPLERNAME_,lightmap)\n#ifdef REFRACTION\n#ifdef REFRACTIONMAP_3D\nuniform samplerCube refractionCubeSampler;\n#else\nuniform sampler2D refraction2DSampler;\n#endif\n#endif\n#if defined(SPECULARTERM)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,SPECULAR,_VARYINGNAME_,Specular,_SAMPLERNAME_,specular)\n#endif\n#include<fresnelFunction>\n#ifdef REFLECTION\n#ifdef REFLECTIONMAP_3D\nuniform samplerCube reflectionCubeSampler;\n#else\nuniform sampler2D reflection2DSampler;\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#else\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#endif\n#include<reflectionFunction>\n#endif\n#include<imageProcessingDeclaration>\n#include<imageProcessingFunctions>\n#include<bumpFragmentMainFunctions>\n#include<bumpFragmentFunctions>\n#include<clipPlaneFragmentDeclaration>\n#include<logDepthDeclaration>\n#include<fogFragmentDeclaration>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<oitFragment>\n#include<clipPlaneFragment>\nvec3 viewDirectionW=normalize(vEyePosition.xyz-vPositionW);\nvec4 baseColor=vec4(1.,1.,1.,1.);\nvec3 diffuseColor=vDiffuseColor.rgb;\nfloat alpha=vDiffuseColor.a;\n#ifdef NORMAL\nvec3 normalW=normalize(vNormalW);\n#else\nvec3 normalW=normalize(-cross(dFdx(vPositionW),dFdy(vPositionW)));\n#endif\n#include<bumpFragment>\n#ifdef TWOSIDEDLIGHTING\nnormalW=gl_FrontFacing ? normalW : -normalW;\n#endif\n#ifdef DIFFUSE\nbaseColor=texture2D(diffuseSampler,vDiffuseUV+uvOffset);\n#if defined(ALPHATEST) && !defined(ALPHATEST_AFTERALLALPHACOMPUTATIONS)\nif (baseColor.a<alphaCutOff)\ndiscard;\n#endif\n#ifdef ALPHAFROMDIFFUSE\nalpha*=baseColor.a;\n#endif\n#define CUSTOM_FRAGMENT_UPDATE_ALPHA\nbaseColor.rgb*=vDiffuseInfos.y;\n#endif\n#include<depthPrePass>\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nbaseColor.rgb*=vColor.rgb;\n#endif\n#ifdef DETAIL\nbaseColor.rgb=baseColor.rgb*2.0*mix(0.5,detailColor.r,vDetailInfos.y);\n#endif\n#define CUSTOM_FRAGMENT_UPDATE_DIFFUSE\nvec3 baseAmbientColor=vec3(1.,1.,1.);\n#ifdef AMBIENT\nbaseAmbientColor=texture2D(ambientSampler,vAmbientUV+uvOffset).rgb*vAmbientInfos.y;\n#endif\n#define CUSTOM_FRAGMENT_BEFORE_LIGHTS\n#ifdef SPECULARTERM\nfloat glossiness=vSpecularColor.a;\nvec3 specularColor=vSpecularColor.rgb;\n#ifdef SPECULAR\nvec4 specularMapColor=texture2D(specularSampler,vSpecularUV+uvOffset);\nspecularColor=specularMapColor.rgb;\n#ifdef GLOSSINESS\nglossiness=glossiness*specularMapColor.a;\n#endif\n#endif\n#else\nfloat glossiness=0.;\n#endif\nvec3 diffuseBase=vec3(0.,0.,0.);\nlightingInfo info;\n#ifdef SPECULARTERM\nvec3 specularBase=vec3(0.,0.,0.);\n#endif\nfloat shadow=1.;\n#ifdef LIGHTMAP\nvec4 lightmapColor=texture2D(lightmapSampler,vLightmapUV+uvOffset);\n#ifdef RGBDLIGHTMAP\nlightmapColor.rgb=fromRGBD(lightmapColor);\n#endif\nlightmapColor.rgb*=vLightmapInfos.y;\n#endif\n#include<lightFragment>[0..maxSimultaneousLights]\nvec4 refractionColor=vec4(0.,0.,0.,1.);\n#ifdef REFRACTION\nvec3 refractionVector=normalize(refract(-viewDirectionW,normalW,vRefractionInfos.y));\n#ifdef REFRACTIONMAP_3D\n#ifdef USE_LOCAL_REFRACTIONMAP_CUBIC\nrefractionVector=parallaxCorrectNormal(vPositionW,refractionVector,vRefractionSize,vRefractionPosition);\n#endif\nrefractionVector.y=refractionVector.y*vRefractionInfos.w;\nif (dot(refractionVector,viewDirectionW)<1.0) {\nrefractionColor=textureCube(refractionCubeSampler,refractionVector);\n}\n#else\nvec3 vRefractionUVW=vec3(refractionMatrix*(view*vec4(vPositionW+refractionVector*vRefractionInfos.z,1.0)));\nvec2 refractionCoords=vRefractionUVW.xy/vRefractionUVW.z;\nrefractionCoords.y=1.0-refractionCoords.y;\nrefractionColor=texture2D(refraction2DSampler,refractionCoords);\n#endif\n#ifdef RGBDREFRACTION\nrefractionColor.rgb=fromRGBD(refractionColor);\n#endif\n#ifdef IS_REFRACTION_LINEAR\nrefractionColor.rgb=toGammaSpace(refractionColor.rgb);\n#endif\nrefractionColor.rgb*=vRefractionInfos.x;\n#endif\nvec4 reflectionColor=vec4(0.,0.,0.,1.);\n#ifdef REFLECTION\nvec3 vReflectionUVW=computeReflectionCoords(vec4(vPositionW,1.0),normalW);\n#ifdef REFLECTIONMAP_OPPOSITEZ\nvReflectionUVW.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\n#ifdef ROUGHNESS\nfloat bias=vReflectionInfos.y;\n#ifdef SPECULARTERM\n#ifdef SPECULAR\n#ifdef GLOSSINESS\nbias*=(1.0-specularMapColor.a);\n#endif\n#endif\n#endif\nreflectionColor=textureCube(reflectionCubeSampler,vReflectionUVW,bias);\n#else\nreflectionColor=textureCube(reflectionCubeSampler,vReflectionUVW);\n#endif\n#else\nvec2 coords=vReflectionUVW.xy;\n#ifdef REFLECTIONMAP_PROJECTION\ncoords/=vReflectionUVW.z;\n#endif\ncoords.y=1.0-coords.y;\nreflectionColor=texture2D(reflection2DSampler,coords);\n#endif\n#ifdef RGBDREFLECTION\nreflectionColor.rgb=fromRGBD(reflectionColor);\n#endif\n#ifdef IS_REFLECTION_LINEAR\nreflectionColor.rgb=toGammaSpace(reflectionColor.rgb);\n#endif\nreflectionColor.rgb*=vReflectionInfos.x;\n#ifdef REFLECTIONFRESNEL\nfloat reflectionFresnelTerm=computeFresnelTerm(viewDirectionW,normalW,reflectionRightColor.a,reflectionLeftColor.a);\n#ifdef REFLECTIONFRESNELFROMSPECULAR\n#ifdef SPECULARTERM\nreflectionColor.rgb*=specularColor.rgb*(1.0-reflectionFresnelTerm)+reflectionFresnelTerm*reflectionRightColor.rgb;\n#else\nreflectionColor.rgb*=reflectionLeftColor.rgb*(1.0-reflectionFresnelTerm)+reflectionFresnelTerm*reflectionRightColor.rgb;\n#endif\n#else\nreflectionColor.rgb*=reflectionLeftColor.rgb*(1.0-reflectionFresnelTerm)+reflectionFresnelTerm*reflectionRightColor.rgb;\n#endif\n#endif\n#endif\n#ifdef REFRACTIONFRESNEL\nfloat refractionFresnelTerm=computeFresnelTerm(viewDirectionW,normalW,refractionRightColor.a,refractionLeftColor.a);\nrefractionColor.rgb*=refractionLeftColor.rgb*(1.0-refractionFresnelTerm)+refractionFresnelTerm*refractionRightColor.rgb;\n#endif\n#ifdef OPACITY\nvec4 opacityMap=texture2D(opacitySampler,vOpacityUV+uvOffset);\n#ifdef OPACITYRGB\nopacityMap.rgb=opacityMap.rgb*vec3(0.3,0.59,0.11);\nalpha*=(opacityMap.x+opacityMap.y+opacityMap.z)* vOpacityInfos.y;\n#else\nalpha*=opacityMap.a*vOpacityInfos.y;\n#endif\n#endif\n#ifdef VERTEXALPHA\nalpha*=vColor.a;\n#endif\n#ifdef OPACITYFRESNEL\nfloat opacityFresnelTerm=computeFresnelTerm(viewDirectionW,normalW,opacityParts.z,opacityParts.w);\nalpha+=opacityParts.x*(1.0-opacityFresnelTerm)+opacityFresnelTerm*opacityParts.y;\n#endif\n#ifdef ALPHATEST\n#ifdef ALPHATEST_AFTERALLALPHACOMPUTATIONS\nif (alpha<alphaCutOff)\ndiscard;\n#endif\n#ifndef ALPHABLEND\nalpha=1.0;\n#endif\n#endif\nvec3 emissiveColor=vEmissiveColor;\n#ifdef EMISSIVE\nemissiveColor+=texture2D(emissiveSampler,vEmissiveUV+uvOffset).rgb*vEmissiveInfos.y;\n#endif\n#ifdef EMISSIVEFRESNEL\nfloat emissiveFresnelTerm=computeFresnelTerm(viewDirectionW,normalW,emissiveRightColor.a,emissiveLeftColor.a);\nemissiveColor*=emissiveLeftColor.rgb*(1.0-emissiveFresnelTerm)+emissiveFresnelTerm*emissiveRightColor.rgb;\n#endif\n#ifdef DIFFUSEFRESNEL\nfloat diffuseFresnelTerm=computeFresnelTerm(viewDirectionW,normalW,diffuseRightColor.a,diffuseLeftColor.a);\ndiffuseBase*=diffuseLeftColor.rgb*(1.0-diffuseFresnelTerm)+diffuseFresnelTerm*diffuseRightColor.rgb;\n#endif\n#ifdef EMISSIVEASILLUMINATION\nvec3 finalDiffuse=clamp(diffuseBase*diffuseColor+vAmbientColor,0.0,1.0)*baseColor.rgb;\n#else\n#ifdef LINKEMISSIVEWITHDIFFUSE\nvec3 finalDiffuse=clamp((diffuseBase+emissiveColor)*diffuseColor+vAmbientColor,0.0,1.0)*baseColor.rgb;\n#else\nvec3 finalDiffuse=clamp(diffuseBase*diffuseColor+emissiveColor+vAmbientColor,0.0,1.0)*baseColor.rgb;\n#endif\n#endif\n#ifdef SPECULARTERM\nvec3 finalSpecular=specularBase*specularColor;\n#ifdef SPECULAROVERALPHA\nalpha=clamp(alpha+dot(finalSpecular,vec3(0.3,0.59,0.11)),0.,1.);\n#endif\n#else\nvec3 finalSpecular=vec3(0.0);\n#endif\n#ifdef REFLECTIONOVERALPHA\nalpha=clamp(alpha+dot(reflectionColor.rgb,vec3(0.3,0.59,0.11)),0.,1.);\n#endif\n#ifdef EMISSIVEASILLUMINATION\nvec4 color=vec4(clamp(finalDiffuse*baseAmbientColor+finalSpecular+reflectionColor.rgb+emissiveColor+refractionColor.rgb,0.0,1.0),alpha);\n#else\nvec4 color=vec4(finalDiffuse*baseAmbientColor+finalSpecular+reflectionColor.rgb+refractionColor.rgb,alpha);\n#endif\n#ifdef LIGHTMAP\n#ifndef LIGHTMAPEXCLUDED\n#ifdef USELIGHTMAPASSHADOWMAP\ncolor.rgb*=lightmapColor.rgb;\n#else\ncolor.rgb+=lightmapColor.rgb;\n#endif\n#endif\n#endif\n#define CUSTOM_FRAGMENT_BEFORE_FOG\ncolor.rgb=max(color.rgb,0.);\n#include<logDepthFragment>\n#include<fogFragment>\n#ifdef IMAGEPROCESSINGPOSTPROCESS\ncolor.rgb=toLinearSpace(color.rgb);\n#else\n#ifdef IMAGEPROCESSING\ncolor.rgb=toLinearSpace(color.rgb);\ncolor=applyImageProcessing(color);\n#endif\n#endif\ncolor.a*=visibility;\n#ifdef PREMULTIPLYALPHA\ncolor.rgb*=color.a;\n#endif\n#define CUSTOM_FRAGMENT_BEFORE_FRAGCOLOR\n#ifdef PREPASS\nfloat writeGeometryInfo=color.a>0.4 ? 1.0 : 0.0;\ngl_FragData[0]=color; \n#ifdef PREPASS_POSITION\ngl_FragData[PREPASS_POSITION_INDEX]=vec4(vPositionW,writeGeometryInfo);\n#endif\n#ifdef PREPASS_VELOCITY\nvec2 a=(vCurrentPosition.xy/vCurrentPosition.w)*0.5+0.5;\nvec2 b=(vPreviousPosition.xy/vPreviousPosition.w)*0.5+0.5;\nvec2 velocity=abs(a-b);\nvelocity=vec2(pow(velocity.x,1.0/3.0),pow(velocity.y,1.0/3.0))*sign(a-b)*0.5+0.5;\ngl_FragData[PREPASS_VELOCITY_INDEX]=vec4(velocity,0.0,writeGeometryInfo);\n#endif\n#ifdef PREPASS_IRRADIANCE\ngl_FragData[PREPASS_IRRADIANCE_INDEX]=vec4(0.0,0.0,0.0,writeGeometryInfo); \n#endif\n#ifdef PREPASS_DEPTH\ngl_FragData[PREPASS_DEPTH_INDEX]=vec4(vViewPos.z,0.0,0.0,writeGeometryInfo); \n#endif\n#ifdef PREPASS_NORMAL\ngl_FragData[PREPASS_NORMAL_INDEX]=vec4((view*vec4(normalW,0.0)).rgb,writeGeometryInfo); \n#endif\n#ifdef PREPASS_ALBEDO_SQRT\ngl_FragData[PREPASS_ALBEDO_SQRT_INDEX]=vec4(0.0,0.0,0.0,writeGeometryInfo); \n#endif\n#ifdef PREPASS_REFLECTIVITY\n#if defined(SPECULAR)\ngl_FragData[PREPASS_REFLECTIVITY_INDEX]=vec4(specularMapColor.rgb,specularMapColor.a*writeGeometryInfo);\n#else\ngl_FragData[PREPASS_REFLECTIVITY_INDEX]=vec4(0.0,0.0,0.0,writeGeometryInfo);\n#endif\n#endif\n#endif\n#if !defined(PREPASS) || defined(WEBGL2)\ngl_FragColor=color;\n#endif\n#if ORDER_INDEPENDENT_TRANSPARENCY\nif (fragDepth==nearestDepth) {\nfrontColor.rgb+=color.rgb*color.a*alphaMultiplier;\nfrontColor.a=1.0-alphaMultiplier*(1.0-color.a);\n} else {\nbackColor+=color;\n}\n#endif\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";
        Pt.IncludesShadersStore.defaultVertexDeclaration = "uniform mat4 viewProjection;\nuniform mat4 view;\n#ifdef DIFFUSE\nuniform mat4 diffuseMatrix;\nuniform vec2 vDiffuseInfos;\n#endif\n#ifdef AMBIENT\nuniform mat4 ambientMatrix;\nuniform vec2 vAmbientInfos;\n#endif\n#ifdef OPACITY\nuniform mat4 opacityMatrix;\nuniform vec2 vOpacityInfos;\n#endif\n#ifdef EMISSIVE\nuniform vec2 vEmissiveInfos;\nuniform mat4 emissiveMatrix;\n#endif\n#ifdef LIGHTMAP\nuniform vec2 vLightmapInfos;\nuniform mat4 lightmapMatrix;\n#endif\n#if defined(SPECULAR) && defined(SPECULARTERM)\nuniform vec2 vSpecularInfos;\nuniform mat4 specularMatrix;\n#endif\n#ifdef BUMP\nuniform vec3 vBumpInfos;\nuniform mat4 bumpMatrix;\n#endif\n#ifdef REFLECTION\nuniform mat4 reflectionMatrix;\n#endif\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n#ifdef DETAIL\nuniform vec4 vDetailInfos;\nuniform mat4 detailMatrix;\n#endif\n#define ADDITIONAL_VERTEX_DECLARATION\n";
        Pt.IncludesShadersStore.uvAttributeDeclaration = "#ifdef UV{X}\nattribute vec2 uv{X};\n#endif\n";
        Pt.IncludesShadersStore.bonesDeclaration = "#if NUM_BONE_INFLUENCERS>0\nattribute vec4 matricesIndices;\nattribute vec4 matricesWeights;\n#if NUM_BONE_INFLUENCERS>4\nattribute vec4 matricesIndicesExtra;\nattribute vec4 matricesWeightsExtra;\n#endif\n#ifndef BAKED_VERTEX_ANIMATION_TEXTURE\n#ifdef BONETEXTURE\nuniform sampler2D boneSampler;\nuniform float boneTextureWidth;\n#else\nuniform mat4 mBones[BonesPerMesh];\n#ifdef BONES_VELOCITY_ENABLED\nuniform mat4 mPreviousBones[BonesPerMesh];\n#endif\n#endif\n#ifdef BONETEXTURE\n#define inline\nmat4 readMatrixFromRawSampler(sampler2D smp,float index)\n{\nfloat offset=index *4.0;\nfloat dx=1.0/boneTextureWidth;\nvec4 m0=texture2D(smp,vec2(dx*(offset+0.5),0.));\nvec4 m1=texture2D(smp,vec2(dx*(offset+1.5),0.));\nvec4 m2=texture2D(smp,vec2(dx*(offset+2.5),0.));\nvec4 m3=texture2D(smp,vec2(dx*(offset+3.5),0.));\nreturn mat4(m0,m1,m2,m3);\n}\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.bakedVertexAnimationDeclaration = "#ifdef BAKED_VERTEX_ANIMATION_TEXTURE\nuniform float bakedVertexAnimationTime;\nuniform vec2 bakedVertexAnimationTextureSizeInverted;\nuniform vec4 bakedVertexAnimationSettings;\nuniform sampler2D bakedVertexAnimationTexture;\n#ifdef INSTANCES\nattribute vec4 bakedVertexAnimationSettingsInstanced;\n#endif\n#define inline\nmat4 readMatrixFromRawSamplerVAT(sampler2D smp,float index,float frame)\n{\nfloat offset=index*4.0;\nfloat frameUV=(frame+0.5)*bakedVertexAnimationTextureSizeInverted.y;\nfloat dx=bakedVertexAnimationTextureSizeInverted.x;\nvec4 m0=texture2D(smp,vec2(dx*(offset+0.5),frameUV));\nvec4 m1=texture2D(smp,vec2(dx*(offset+1.5),frameUV));\nvec4 m2=texture2D(smp,vec2(dx*(offset+2.5),frameUV));\nvec4 m3=texture2D(smp,vec2(dx*(offset+3.5),frameUV));\nreturn mat4(m0,m1,m2,m3);\n}\n#endif\n";
        Pt.IncludesShadersStore.instancesDeclaration = "#ifdef INSTANCES\nattribute vec4 world0;\nattribute vec4 world1;\nattribute vec4 world2;\nattribute vec4 world3;\n#ifdef INSTANCESCOLOR\nattribute vec4 instanceColor;\n#endif\n#if defined(THIN_INSTANCES) && !defined(WORLD_UBO)\nuniform mat4 world;\n#endif\n#if defined(VELOCITY) || defined(PREPASS_VELOCITY)\nattribute vec4 previousWorld0;\nattribute vec4 previousWorld1;\nattribute vec4 previousWorld2;\nattribute vec4 previousWorld3;\n#ifdef THIN_INSTANCES\nuniform mat4 previousWorld;\n#endif\n#endif\n#else\n#if !defined(WORLD_UBO)\nuniform mat4 world;\n#endif\n#if defined(VELOCITY) || defined(PREPASS_VELOCITY)\nuniform mat4 previousWorld;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.prePassVertexDeclaration = "#ifdef PREPASS\n#ifdef PREPASS_DEPTH\nvarying vec3 vViewPos;\n#endif\n#ifdef PREPASS_VELOCITY\nuniform mat4 previousViewProjection;\nvarying vec4 vCurrentPosition;\nvarying vec4 vPreviousPosition;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.samplerVertexDeclaration = "#if defined(_DEFINENAME_) && _DEFINENAME_DIRECTUV==0\nvarying vec2 v_VARYINGNAME_UV;\n#endif\n";
        Pt.IncludesShadersStore.bumpVertexDeclaration = "#if defined(BUMP) || defined(PARALLAX) || defined(CLEARCOAT_BUMP) || defined(ANISOTROPIC)\n#if defined(TANGENT) && defined(NORMAL) \nvarying mat3 vTBN;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.clipPlaneVertexDeclaration = "#ifdef CLIPPLANE\nuniform vec4 vClipPlane;\nvarying float fClipDistance;\n#endif\n#ifdef CLIPPLANE2\nuniform vec4 vClipPlane2;\nvarying float fClipDistance2;\n#endif\n#ifdef CLIPPLANE3\nuniform vec4 vClipPlane3;\nvarying float fClipDistance3;\n#endif\n#ifdef CLIPPLANE4\nuniform vec4 vClipPlane4;\nvarying float fClipDistance4;\n#endif\n#ifdef CLIPPLANE5\nuniform vec4 vClipPlane5;\nvarying float fClipDistance5;\n#endif\n#ifdef CLIPPLANE6\nuniform vec4 vClipPlane6;\nvarying float fClipDistance6;\n#endif\n";
        Pt.IncludesShadersStore.fogVertexDeclaration = "#ifdef FOG\nvarying vec3 vFogDistance;\n#endif\n";
        Pt.IncludesShadersStore.lightVxFragmentDeclaration = "#ifdef LIGHT{X}\nuniform vec4 vLightData{X};\nuniform vec4 vLightDiffuse{X};\n#ifdef SPECULARTERM\nuniform vec4 vLightSpecular{X};\n#else\nvec4 vLightSpecular{X}=vec4(0.);\n#endif\n#ifdef SHADOW{X}\n#ifdef SHADOWCSM{X}\nuniform mat4 lightMatrix{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromLight{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying float vDepthMetric{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromCamera{X};\n#elif defined(SHADOWCUBE{X})\n#else\nvarying vec4 vPositionFromLight{X};\nvarying float vDepthMetric{X};\nuniform mat4 lightMatrix{X};\n#endif\nuniform vec4 shadowsInfo{X};\nuniform vec2 depthValues{X};\n#endif\n#ifdef SPOTLIGHT{X}\nuniform vec4 vLightDirection{X};\nuniform vec4 vLightFalloff{X};\n#elif defined(POINTLIGHT{X})\nuniform vec4 vLightFalloff{X};\n#elif defined(HEMILIGHT{X})\nuniform vec3 vLightGround{X};\n#endif\n#endif\n";
        Pt.IncludesShadersStore.lightVxUboDeclaration = "#ifdef LIGHT{X}\nuniform Light{X}\n{\nvec4 vLightData;\nvec4 vLightDiffuse;\nvec4 vLightSpecular;\n#ifdef SPOTLIGHT{X}\nvec4 vLightDirection;\nvec4 vLightFalloff;\n#elif defined(POINTLIGHT{X})\nvec4 vLightFalloff;\n#elif defined(HEMILIGHT{X})\nvec3 vLightGround;\n#endif\nvec4 shadowsInfo;\nvec2 depthValues;\n} light{X};\n#ifdef SHADOW{X}\n#ifdef SHADOWCSM{X}\nuniform mat4 lightMatrix{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromLight{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying float vDepthMetric{X}[SHADOWCSMNUM_CASCADES{X}];\nvarying vec4 vPositionFromCamera{X};\n#elif defined(SHADOWCUBE{X})\n#else\nvarying vec4 vPositionFromLight{X};\nvarying float vDepthMetric{X};\nuniform mat4 lightMatrix{X};\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.morphTargetsVertexGlobalDeclaration = "#ifdef MORPHTARGETS\nuniform float morphTargetInfluences[NUM_MORPH_INFLUENCERS];\n#ifdef MORPHTARGETS_TEXTURE \nprecision mediump sampler2DArray; \nuniform float morphTargetTextureIndices[NUM_MORPH_INFLUENCERS];\nuniform vec3 morphTargetTextureInfo;\nuniform sampler2DArray morphTargets;\nvec3 readVector3FromRawSampler(int targetIndex,float vertexIndex)\n{ \nfloat y=floor(vertexIndex/morphTargetTextureInfo.y);\nfloat x=vertexIndex-y*morphTargetTextureInfo.y;\nvec3 textureUV=vec3((x+0.5)/morphTargetTextureInfo.y,(y+0.5)/morphTargetTextureInfo.z,morphTargetTextureIndices[targetIndex]);\nreturn texture(morphTargets,textureUV).xyz;\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.morphTargetsVertexDeclaration = "#ifdef MORPHTARGETS\n#ifndef MORPHTARGETS_TEXTURE\nattribute vec3 position{X};\n#ifdef MORPHTARGETS_NORMAL\nattribute vec3 normal{X};\n#endif\n#ifdef MORPHTARGETS_TANGENT\nattribute vec3 tangent{X};\n#endif\n#ifdef MORPHTARGETS_UV\nattribute vec2 uv_{X};\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.morphTargetsVertexGlobal = "#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE\nfloat vertexID;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.morphTargetsVertex = "#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE \nvertexID=float(gl_VertexID)*morphTargetTextureInfo.x;\npositionUpdated+=(readVector3FromRawSampler({X},vertexID)-position)*morphTargetInfluences[{X}];\nvertexID+=1.0;\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated+=(readVector3FromRawSampler({X},vertexID) -normal)*morphTargetInfluences[{X}];\nvertexID+=1.0;\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated+=(readVector3FromRawSampler({X},vertexID).xy-uv)*morphTargetInfluences[{X}];\nvertexID+=1.0;\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz+=(readVector3FromRawSampler({X},vertexID) -tangent.xyz)*morphTargetInfluences[{X}];\n#endif\n#else\npositionUpdated+=(position{X}-position)*morphTargetInfluences[{X}];\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated+=(normal{X}-normal)*morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz+=(tangent{X}-tangent.xyz)*morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated+=(uv_{X}-uv)*morphTargetInfluences[{X}];\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.instancesVertex = "#ifdef INSTANCES\nmat4 finalWorld=mat4(world0,world1,world2,world3);\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nmat4 finalPreviousWorld=mat4(previousWorld0,previousWorld1,previousWorld2,previousWorld3);\n#endif\n#ifdef THIN_INSTANCES\nfinalWorld=world*finalWorld;\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nfinalPreviousWorld=previousWorld*finalPreviousWorld;\n#endif\n#endif\n#else\nmat4 finalWorld=world;\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nmat4 finalPreviousWorld=previousWorld;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.bonesVertex = "#ifndef BAKED_VERTEX_ANIMATION_TEXTURE\n#if NUM_BONE_INFLUENCERS>0\nmat4 influence;\n#ifdef BONETEXTURE\ninfluence=readMatrixFromRawSampler(boneSampler,matricesIndices[0])*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndices[1])*matricesWeights[1];\n#endif\n#if NUM_BONE_INFLUENCERS>2\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndices[2])*matricesWeights[2];\n#endif\n#if NUM_BONE_INFLUENCERS>3\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndices[3])*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[0])*matricesWeightsExtra[0];\n#endif\n#if NUM_BONE_INFLUENCERS>5\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[1])*matricesWeightsExtra[1];\n#endif\n#if NUM_BONE_INFLUENCERS>6\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[2])*matricesWeightsExtra[2];\n#endif\n#if NUM_BONE_INFLUENCERS>7\ninfluence+=readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[3])*matricesWeightsExtra[3];\n#endif\n#else\ninfluence=mBones[int(matricesIndices[0])]*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\ninfluence+=mBones[int(matricesIndices[1])]*matricesWeights[1];\n#endif\n#if NUM_BONE_INFLUENCERS>2\ninfluence+=mBones[int(matricesIndices[2])]*matricesWeights[2];\n#endif\n#if NUM_BONE_INFLUENCERS>3\ninfluence+=mBones[int(matricesIndices[3])]*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\ninfluence+=mBones[int(matricesIndicesExtra[0])]*matricesWeightsExtra[0];\n#endif\n#if NUM_BONE_INFLUENCERS>5\ninfluence+=mBones[int(matricesIndicesExtra[1])]*matricesWeightsExtra[1];\n#endif\n#if NUM_BONE_INFLUENCERS>6\ninfluence+=mBones[int(matricesIndicesExtra[2])]*matricesWeightsExtra[2];\n#endif\n#if NUM_BONE_INFLUENCERS>7\ninfluence+=mBones[int(matricesIndicesExtra[3])]*matricesWeightsExtra[3];\n#endif\n#endif\nfinalWorld=finalWorld*influence;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.bakedVertexAnimation = "#ifdef BAKED_VERTEX_ANIMATION_TEXTURE\n{\n#ifdef INSTANCES\n#define BVASNAME bakedVertexAnimationSettingsInstanced\n#else\n#define BVASNAME bakedVertexAnimationSettings\n#endif\nfloat VATStartFrame=BVASNAME.x;\nfloat VATEndFrame=BVASNAME.y;\nfloat VATOffsetFrame=BVASNAME.z;\nfloat VATSpeed=BVASNAME.w;\nfloat totalFrames=VATEndFrame-VATStartFrame+1.0;\nfloat time=bakedVertexAnimationTime*VATSpeed/totalFrames;\nfloat frameCorrection=time<1.0 ? 0.0 : 1.0;\nfloat numOfFrames=totalFrames-frameCorrection;\nfloat VATFrameNum=fract(time)*numOfFrames;\nVATFrameNum=mod(VATFrameNum+VATOffsetFrame,numOfFrames);\nVATFrameNum=floor(VATFrameNum);\nVATFrameNum+=VATStartFrame+frameCorrection;\nmat4 VATInfluence;\nVATInfluence=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[0],VATFrameNum)*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[1],VATFrameNum)*matricesWeights[1];\n#endif\n#if NUM_BONE_INFLUENCERS>2\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[2],VATFrameNum)*matricesWeights[2];\n#endif\n#if NUM_BONE_INFLUENCERS>3\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[3],VATFrameNum)*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[0],VATFrameNum)*matricesWeightsExtra[0];\n#endif\n#if NUM_BONE_INFLUENCERS>5\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[1],VATFrameNum)*matricesWeightsExtra[1];\n#endif\n#if NUM_BONE_INFLUENCERS>6\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[2],VATFrameNum)*matricesWeightsExtra[2];\n#endif\n#if NUM_BONE_INFLUENCERS>7\nVATInfluence+=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[3],VATFrameNum)*matricesWeightsExtra[3];\n#endif\nfinalWorld=finalWorld*VATInfluence;\n}\n#endif\n";
        Pt.IncludesShadersStore.prePassVertex = "#ifdef PREPASS_DEPTH\nvViewPos=(view*worldPos).rgb;\n#endif\n#if defined(PREPASS_VELOCITY) && defined(BONES_VELOCITY_ENABLED)\nvCurrentPosition=viewProjection*worldPos;\n#if NUM_BONE_INFLUENCERS>0\nmat4 previousInfluence;\npreviousInfluence=mPreviousBones[int(matricesIndices[0])]*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\npreviousInfluence+=mPreviousBones[int(matricesIndices[1])]*matricesWeights[1];\n#endif \n#if NUM_BONE_INFLUENCERS>2\npreviousInfluence+=mPreviousBones[int(matricesIndices[2])]*matricesWeights[2];\n#endif \n#if NUM_BONE_INFLUENCERS>3\npreviousInfluence+=mPreviousBones[int(matricesIndices[3])]*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[0])]*matricesWeightsExtra[0];\n#endif \n#if NUM_BONE_INFLUENCERS>5\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[1])]*matricesWeightsExtra[1];\n#endif \n#if NUM_BONE_INFLUENCERS>6\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[2])]*matricesWeightsExtra[2];\n#endif \n#if NUM_BONE_INFLUENCERS>7\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[3])]*matricesWeightsExtra[3];\n#endif\nvPreviousPosition=previousViewProjection*finalPreviousWorld*previousInfluence*vec4(positionUpdated,1.0);\n#else\nvPreviousPosition=previousViewProjection*finalPreviousWorld*vec4(positionUpdated,1.0);\n#endif\n#endif\n";
        Pt.IncludesShadersStore.uvVariableDeclaration = "#if !defined(UV{X}) && defined(MAINUV{X})\nvec2 uv{X}=vec2(0.,0.);\n#endif\n#ifdef MAINUV{X}\nvMainUV{X}=uv{X};\n#endif\n";
        Pt.IncludesShadersStore.samplerVertexImplementation = "#if defined(_DEFINENAME_) && _DEFINENAME_DIRECTUV==0\nif (v_INFONAME_==0.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uvUpdated,1.0,0.0));\n}\n#ifdef UV2\nelse if (v_INFONAME_==1.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uv2,1.0,0.0));\n}\n#endif\n#ifdef UV3\nelse if (v_INFONAME_==2.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uv3,1.0,0.0));\n}\n#endif\n#ifdef UV4\nelse if (v_INFONAME_==3.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uv4,1.0,0.0));\n}\n#endif\n#ifdef UV5\nelse if (v_INFONAME_==4.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uv5,1.0,0.0));\n}\n#endif\n#ifdef UV6\nelse if (v_INFONAME_==5.)\n{\nv_VARYINGNAME_UV=vec2(_MATRIXNAME_Matrix*vec4(uv6,1.0,0.0));\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.bumpVertex = "#if defined(BUMP) || defined(PARALLAX) || defined(CLEARCOAT_BUMP) || defined(ANISOTROPIC)\n#if defined(TANGENT) && defined(NORMAL)\nvec3 tbnNormal=normalize(normalUpdated);\nvec3 tbnTangent=normalize(tangentUpdated.xyz);\nvec3 tbnBitangent=cross(tbnNormal,tbnTangent)*tangentUpdated.w;\nvTBN=mat3(finalWorld)*mat3(tbnTangent,tbnBitangent,tbnNormal);\n#endif\n#endif\n";
        Pt.IncludesShadersStore.clipPlaneVertex = "#ifdef CLIPPLANE\nfClipDistance=dot(worldPos,vClipPlane);\n#endif\n#ifdef CLIPPLANE2\nfClipDistance2=dot(worldPos,vClipPlane2);\n#endif\n#ifdef CLIPPLANE3\nfClipDistance3=dot(worldPos,vClipPlane3);\n#endif\n#ifdef CLIPPLANE4\nfClipDistance4=dot(worldPos,vClipPlane4);\n#endif\n#ifdef CLIPPLANE5\nfClipDistance5=dot(worldPos,vClipPlane5);\n#endif\n#ifdef CLIPPLANE6\nfClipDistance6=dot(worldPos,vClipPlane6);\n#endif\n";
        Pt.IncludesShadersStore.fogVertex = "#ifdef FOG\nvFogDistance=(view*worldPos).xyz;\n#endif\n";
        Pt.IncludesShadersStore.shadowsVertex = "#ifdef SHADOWS\n#if defined(SHADOWCSM{X})\nvPositionFromCamera{X}=view*worldPos;\nfor (int i=0; i<SHADOWCSMNUM_CASCADES{X}; i++) {\nvPositionFromLight{X}[i]=lightMatrix{X}[i]*worldPos;\n#ifdef USE_REVERSE_DEPTHBUFFER\nvDepthMetric{X}[i]=(-vPositionFromLight{X}[i].z+light{X}.depthValues.x)/light{X}.depthValues.y;\n#else\nvDepthMetric{X}[i]=(vPositionFromLight{X}[i].z+light{X}.depthValues.x)/light{X}.depthValues.y;\n#endif\n}\n#elif defined(SHADOW{X}) && !defined(SHADOWCUBE{X})\nvPositionFromLight{X}=lightMatrix{X}*worldPos;\n#ifdef USE_REVERSE_DEPTHBUFFER\nvDepthMetric{X}=(-vPositionFromLight{X}.z+light{X}.depthValues.x)/light{X}.depthValues.y;\n#else\nvDepthMetric{X}=(vPositionFromLight{X}.z+light{X}.depthValues.x)/light{X}.depthValues.y;\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pointCloudVertex = "#if defined(POINTSIZE) && !defined(WEBGPU)\ngl_PointSize=pointSize;\n#endif\n";
        Pt.IncludesShadersStore.logDepthVertex = "#ifdef LOGARITHMICDEPTH\nvFragmentDepth=1.0+gl_Position.w;\ngl_Position.z=log2(max(0.000001,vFragmentDepth))*logarithmicDepthConstant;\n#endif\n";
        Pt.ShadersStore.defaultVertexShader = "#include<__decl__defaultVertex>\n#define CUSTOM_VERTEX_BEGIN\nattribute vec3 position;\n#ifdef NORMAL\nattribute vec3 normal;\n#endif\n#ifdef TANGENT\nattribute vec4 tangent;\n#endif\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#include<uvAttributeDeclaration>[2..7]\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n#include<helperFunctions>\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<instancesDeclaration>\n#include<prePassVertexDeclaration>\n#include<mainUVVaryingDeclaration>[1..7]\n#include<samplerVertexDeclaration>(_DEFINENAME_,DIFFUSE,_VARYINGNAME_,Diffuse)\n#include<samplerVertexDeclaration>(_DEFINENAME_,DETAIL,_VARYINGNAME_,Detail)\n#include<samplerVertexDeclaration>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient)\n#include<samplerVertexDeclaration>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity)\n#include<samplerVertexDeclaration>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive)\n#include<samplerVertexDeclaration>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap)\n#if defined(SPECULARTERM)\n#include<samplerVertexDeclaration>(_DEFINENAME_,SPECULAR,_VARYINGNAME_,Specular)\n#endif\n#include<samplerVertexDeclaration>(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump)\nvarying vec3 vPositionW;\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#endif\n#include<bumpVertexDeclaration>\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#include<__decl__lightVxFragment>[0..maxSimultaneousLights]\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#endif\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#include<logDepthDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec3 positionUpdated=position;\n#ifdef NORMAL\nvec3 normalUpdated=normal;\n#endif\n#ifdef TANGENT\nvec4 tangentUpdated=tangent;\n#endif\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#ifdef REFLECTIONMAP_SKYBOX\nvPositionUVW=positionUpdated;\n#endif\n#define CUSTOM_VERTEX_UPDATE_POSITION\n#define CUSTOM_VERTEX_UPDATE_NORMAL\n#include<instancesVertex>\n#if defined(PREPASS) && defined(PREPASS_VELOCITY) && !defined(BONES_VELOCITY_ENABLED)\nvCurrentPosition=viewProjection*finalWorld*vec4(positionUpdated,1.0);\nvPreviousPosition=previousViewProjection*finalPreviousWorld*vec4(positionUpdated,1.0);\n#endif\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 worldPos=finalWorld*vec4(positionUpdated,1.0);\n#ifdef NORMAL\nmat3 normalWorld=mat3(finalWorld);\n#if defined(INSTANCES) && defined(THIN_INSTANCES)\nvNormalW=normalUpdated/vec3(dot(normalWorld[0],normalWorld[0]),dot(normalWorld[1],normalWorld[1]),dot(normalWorld[2],normalWorld[2]));\nvNormalW=normalize(normalWorld*vNormalW);\n#else\n#ifdef NONUNIFORMSCALING\nnormalWorld=transposeMat3(inverseMat3(normalWorld));\n#endif\nvNormalW=normalize(normalWorld*normalUpdated);\n#endif\n#endif\n#define CUSTOM_VERTEX_UPDATE_WORLDPOS\n#ifdef MULTIVIEW\nif (gl_ViewID_OVR==0u) {\ngl_Position=viewProjection*worldPos;\n} else {\ngl_Position=viewProjectionR*worldPos;\n}\n#else\ngl_Position=viewProjection*worldPos;\n#endif\nvPositionW=vec3(worldPos);\n#include<prePassVertex>\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvDirectionW=normalize(vec3(finalWorld*vec4(positionUpdated,0.0)));\n#endif\n#ifndef UV1\nvec2 uvUpdated=vec2(0.,0.);\n#endif\n#ifdef MAINUV1\nvMainUV1=uvUpdated;\n#endif\n#include<uvVariableDeclaration>[2..7]\n#include<samplerVertexImplementation>(_DEFINENAME_,DIFFUSE,_VARYINGNAME_,Diffuse,_MATRIXNAME_,diffuse,_INFONAME_,DiffuseInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,DETAIL,_VARYINGNAME_,Detail,_MATRIXNAME_,detail,_INFONAME_,DetailInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient,_MATRIXNAME_,ambient,_INFONAME_,AmbientInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity,_MATRIXNAME_,opacity,_INFONAME_,OpacityInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive,_MATRIXNAME_,emissive,_INFONAME_,EmissiveInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap,_MATRIXNAME_,lightmap,_INFONAME_,LightmapInfos.x)\n#if defined(SPECULARTERM)\n#include<samplerVertexImplementation>(_DEFINENAME_,SPECULAR,_VARYINGNAME_,Specular,_MATRIXNAME_,specular,_INFONAME_,SpecularInfos.x)\n#endif\n#include<samplerVertexImplementation>(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump,_MATRIXNAME_,bump,_INFONAME_,BumpInfos.x)\n#include<bumpVertex>\n#include<clipPlaneVertex>\n#include<fogVertex>\n#include<shadowsVertex>[0..maxSimultaneousLights]\n#ifdef VERTEXCOLOR\nvColor=color;\n#elif INSTANCESCOLOR\nvColor=instanceColor;\n#endif\n#include<pointCloudVertex>\n#include<logDepthVertex>\n#define CUSTOM_VERTEX_MAIN_END\n}\n";
        var ys = function() {
            function e() {
                this._defines = {},
                this._currentRank = 32,
                this._maxRank = -1,
                this._mesh = null
            }
            return e.prototype.unBindMesh = function() {
                this._mesh = null
            }
            ,
            e.prototype.addFallback = function(e, t) {
                this._defines[e] || (e < this._currentRank && (this._currentRank = e),
                e > this._maxRank && (this._maxRank = e),
                this._defines[e] = new Array),
                this._defines[e].push(t)
            }
            ,
            e.prototype.addCPUSkinningFallback = function(e, t) {
                this._mesh = t,
                e < this._currentRank && (this._currentRank = e),
                e > this._maxRank && (this._maxRank = e)
            }
            ,
            Object.defineProperty(e.prototype, "hasMoreFallbacks", {
                get: function() {
                    return this._currentRank <= this._maxRank
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reduce = function(e, t) {
                if (this._mesh && this._mesh.computeBonesUsingShaders && this._mesh.numBoneInfluencers > 0) {
                    this._mesh.computeBonesUsingShaders = !1,
                    e = e.replace("#define NUM_BONE_INFLUENCERS " + this._mesh.numBoneInfluencers, "#define NUM_BONE_INFLUENCERS 0"),
                    t._bonesComputationForcedToCPU = !0;
                    for (var i = this._mesh.getScene(), n = 0; n < i.meshes.length; n++) {
                        var r = i.meshes[n];
                        if (r.material) {
                            if (r.computeBonesUsingShaders && 0 !== r.numBoneInfluencers)
                                if (r.material.getEffect() === t)
                                    r.computeBonesUsingShaders = !1;
                                else if (r.subMeshes)
                                    for (var o = 0, a = r.subMeshes; o < a.length; o++)
                                        if (a[o].effect === t) {
                                            r.computeBonesUsingShaders = !1;
                                            break
                                        }
                        } else
                            !this._mesh.material && r.computeBonesUsingShaders && r.numBoneInfluencers > 0 && (r.computeBonesUsingShaders = !1)
                    }
                } else {
                    var s = this._defines[this._currentRank];
                    if (s)
                        for (n = 0; n < s.length; n++)
                            e = e.replace("#define " + s[n], "");
                    this._currentRank++
                }
                return e
            }
            ,
            e
        }()
          , bs = function() {
            function e(e) {
                this._plugins = [],
                this._activePlugins = [],
                this._activePluginsForExtraEvents = [],
                this._material = e,
                this._scene = e.getScene(),
                this._engine = this._scene.getEngine()
            }
            return e.prototype._addPlugin = function(e) {
                for (var t = 0; t < this._plugins.length; ++t)
                    if (this._plugins[t].name === e.name)
                        throw 'Plugin "'.concat(e.name, '" already added to the material "').concat(this._material.name, '"!');
                if (this._material._uniformBufferLayoutBuilt)
                    throw 'The plugin "'.concat(e.name, '" can\'t be added to the material "').concat(this._material.name, '" because this material has already been used for rendering! Please add plugins to materials before any rendering with this material occurs.');
                this._material._callbackPluginEventGeneric = this._handlePluginEvent.bind(this),
                this._plugins.push(e),
                this._plugins.sort((function(e, t) {
                    return e.priority - t.priority
                }
                )),
                this._codeInjectionPoints = {};
                for (var i = {}, n = 0, r = this._plugins; n < r.length; n++) {
                    var o = r[n];
                    o.collectDefines(i),
                    this._collectPointNames("vertex", o.getCustomCode("vertex")),
                    this._collectPointNames("fragment", o.getCustomCode("fragment"))
                }
                Object.keys(i).length > 0 ? this._defineNamesFromPlugins = i : delete this._defineNamesFromPlugins
            }
            ,
            e.prototype._activatePlugin = function(e) {
                -1 === this._activePlugins.indexOf(e) && (this._activePlugins.push(e),
                this._activePlugins.sort((function(e, t) {
                    return e.priority - t.priority
                }
                )),
                this._material._callbackPluginEventIsReadyForSubMesh = this._handlePluginEventIsReadyForSubMesh.bind(this),
                this._material._callbackPluginEventPrepareDefines = this._handlePluginEventPrepareDefines.bind(this),
                this._material._callbackPluginEventBindForSubMesh = this._handlePluginEventBindForSubMesh.bind(this),
                e.registerForExtraEvents && (this._activePluginsForExtraEvents.push(e),
                this._activePluginsForExtraEvents.sort((function(e, t) {
                    return e.priority - t.priority
                }
                )),
                this._material._callbackPluginEventHasRenderTargetTextures = this._handlePluginEventHasRenderTargetTextures.bind(this),
                this._material._callbackPluginEventFillRenderTargetTextures = this._handlePluginEventFillRenderTargetTextures.bind(this),
                this._material._callbackPluginEventHardBindForSubMesh = this._handlePluginEventHardBindForSubMesh.bind(this)))
            }
            ,
            e.prototype.getPlugin = function(e) {
                for (var t = 0; t < this._plugins.length; ++t)
                    if (this._plugins[t].name === e)
                        return this._plugins[t];
                return null
            }
            ,
            e.prototype._handlePluginEventIsReadyForSubMesh = function(e) {
                for (var t = !0, i = 0, n = this._activePlugins; i < n.length; i++) {
                    var r = n[i];
                    t = t && r.isReadyForSubMesh(e.defines, this._scene, this._engine, e.subMesh)
                }
                e.isReadyForSubMesh = t
            }
            ,
            e.prototype._handlePluginEventPrepareDefines = function(e) {
                for (var t = 0, i = this._activePlugins; t < i.length; t++)
                    i[t].prepareDefines(e.defines, this._scene, e.mesh)
            }
            ,
            e.prototype._handlePluginEventHardBindForSubMesh = function(e) {
                for (var t = 0, i = this._activePluginsForExtraEvents; t < i.length; t++)
                    i[t].hardBindForSubMesh(this._material._uniformBuffer, this._scene, this._engine, e.subMesh)
            }
            ,
            e.prototype._handlePluginEventBindForSubMesh = function(e) {
                for (var t = 0, i = this._activePlugins; t < i.length; t++)
                    i[t].bindForSubMesh(this._material._uniformBuffer, this._scene, this._engine, e.subMesh)
            }
            ,
            e.prototype._handlePluginEventHasRenderTargetTextures = function(e) {
                for (var t = !1, i = 0, n = this._activePluginsForExtraEvents; i < n.length && !(t = n[i].hasRenderTargetTextures()); i++)
                    ;
                e.hasRenderTargetTextures = t
            }
            ,
            e.prototype._handlePluginEventFillRenderTargetTextures = function(e) {
                for (var t = 0, i = this._activePluginsForExtraEvents; t < i.length; t++)
                    i[t].fillRenderTargetTextures(e.renderTargets)
            }
            ,
            e.prototype._handlePluginEvent = function(e, t) {
                var i, n, r;
                switch (e) {
                case Ar.GetActiveTextures:
                    for (var o = t, a = 0, s = this._activePlugins; a < s.length; a++)
                        (g = s[a]).getActiveTextures(o.activeTextures);
                    break;
                case Ar.GetAnimatables:
                    o = t;
                    for (var l = 0, c = this._activePlugins; l < c.length; l++)
                        (g = c[l]).getAnimatables(o.animatables);
                    break;
                case Ar.HasTexture:
                    o = t;
                    for (var u = !1, h = 0, d = this._activePlugins; h < d.length && !(u = (g = d[h]).hasTexture(o.texture)); h++)
                        ;
                    o.hasTexture = u;
                    break;
                case Ar.Disposed:
                    o = t;
                    for (var p = 0, f = this._plugins; p < f.length; p++)
                        (g = f[p]).dispose(o.forceDisposeTextures);
                    break;
                case Ar.GetDefineNames:
                    (o = t).defineNames = this._defineNamesFromPlugins;
                    break;
                case Ar.PrepareEffect:
                    o = t;
                    for (var _ = 0, m = this._activePlugins; _ < m.length; _++) {
                        var g = m[_];
                        o.fallbackRank = g.addFallbacks(o.defines, o.fallbacks, o.fallbackRank)
                    }
                    this._uniformList.length > 0 && (i = o.uniforms).push.apply(i, this._uniformList),
                    this._samplerList.length > 0 && (n = o.samplers).push.apply(n, this._samplerList),
                    this._uboList.length > 0 && (r = o.uniformBuffersNames).push.apply(r, this._uboList),
                    o.customCode = this._injectCustomCode(o.customCode);
                    break;
                case Ar.PrepareUniformBuffer:
                    o = t,
                    this._uboDeclaration = "",
                    this._vertexDeclaration = "",
                    this._fragmentDeclaration = "",
                    this._uniformList = [],
                    this._samplerList = [],
                    this._uboList = [];
                    for (var v = 0, y = this._plugins; v < y.length; v++) {
                        var b = (g = y[v]).getUniforms();
                        if (b) {
                            if (b.ubo)
                                for (var T = 0, E = b.ubo; T < E.length; T++) {
                                    var S = E[T];
                                    o.ubo.addUniform(S.name, S.size),
                                    this._uboDeclaration += "".concat(S.type, " ").concat(S.name, ";\r\n"),
                                    this._uniformList.push(S.name)
                                }
                            b.vertex && (this._vertexDeclaration += b.vertex + "\r\n"),
                            b.fragment && (this._fragmentDeclaration += b.fragment + "\r\n")
                        }
                        g.getSamplers(this._samplerList),
                        g.getUniformBuffersNames(this._uboList)
                    }
                }
            }
            ,
            e.prototype._collectPointNames = function(e, t) {
                if (t)
                    for (var i in t)
                        this._codeInjectionPoints[e] || (this._codeInjectionPoints[e] = {}),
                        this._codeInjectionPoints[e][i] = !0
            }
            ,
            e.prototype._injectCustomCode = function(e) {
                var t = this;
                return function(i, n) {
                    var r;
                    e && (n = e(i, n)),
                    t._uboDeclaration && (n = n.replace("#define ADDITIONAL_UBO_DECLARATION", t._uboDeclaration)),
                    t._vertexDeclaration && (n = n.replace("#define ADDITIONAL_VERTEX_DECLARATION", t._vertexDeclaration)),
                    t._fragmentDeclaration && (n = n.replace("#define ADDITIONAL_FRAGMENT_DECLARATION", t._fragmentDeclaration));
                    var o = null === (r = t._codeInjectionPoints) || void 0 === r ? void 0 : r[i];
                    if (!o)
                        return n;
                    for (var a in o) {
                        for (var s = "", l = 0, c = t._activePlugins; l < c.length; l++) {
                            var u = c[l].getCustomCode(i);
                            (null == u ? void 0 : u[a]) && (s += u[a] + "\r\n")
                        }
                        if (s.length > 0)
                            if ("!" === a.charAt(0))
                                for (var h = new RegExp(a.substring(1),"g"), d = h.exec(n); null !== d; )
                                    n = n.replace(d[0], s),
                                    d = h.exec(n);
                            else {
                                var p = "#define " + a;
                                n = n.replace(p, "\r\n" + s + "\r\n" + p)
                            }
                    }
                    return n
                }
            }
            ,
            e
        }()
          , Ts = []
          , Es = !1;
        function Ss(e, t) {
            Es || (Or.OnEventObservable.add((function(e) {
                for (var t = 0, i = Ts; t < i.length; t++)
                    (0,
                    i[t][1])(e)
            }
            ), Ar.Created),
            Es = !0);
            var i = Ts.filter((function(t) {
                var i = t[0];
                return t[1],
                i === e
            }
            ));
            i.length > 0 ? i[0][1] = t : Ts.push([e, t])
        }
        function As(e) {
            for (var t = 0; t < Ts.length; ++t)
                if (Ts[t][0] === e)
                    return Ts.splice(t, 1),
                    !0;
            return !1
        }
        function xs() {
            Ts.length = 0
        }
        var Rs = function() {
            function e(e, t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = !1),
                this.priority = 500,
                this.registerForExtraEvents = !1,
                this._material = e,
                this.name = t,
                this.priority = i,
                e.pluginManager || (e.pluginManager = new bs(e)),
                this._pluginDefineNames = n,
                this._pluginManager = e.pluginManager,
                r && this._pluginManager._addPlugin(this),
                o && this._enable(!0),
                this.markAllDefinesAsDirty = e._dirtyCallbacks[a.MATERIAL_AllDirtyFlag]
            }
            return e.prototype._enable = function(e) {
                e && this._pluginManager._activatePlugin(this)
            }
            ,
            e.prototype.getClassName = function() {
                return "MaterialPluginBase"
            }
            ,
            e.prototype.isReadyForSubMesh = function(e, t, i, n) {
                return !0
            }
            ,
            e.prototype.hardBindForSubMesh = function(e, t, i, n) {}
            ,
            e.prototype.bindForSubMesh = function(e, t, i, n) {}
            ,
            e.prototype.dispose = function(e) {}
            ,
            e.prototype.getCustomCode = function(e) {
                return null
            }
            ,
            e.prototype.collectDefines = function(e) {
                if (this._pluginDefineNames)
                    for (var t = 0, i = Object.keys(this._pluginDefineNames); t < i.length; t++) {
                        var n = i[t];
                        if ("_" !== n[0]) {
                            var r = typeof this._pluginDefineNames[n];
                            e[n] = {
                                type: "number" === r ? "number" : "string" === r ? "string" : "boolean" === r ? "boolean" : "object",
                                default: this._pluginDefineNames[n]
                            }
                        }
                    }
            }
            ,
            e.prototype.prepareDefines = function(e, t, i) {}
            ,
            e.prototype.hasTexture = function(e) {
                return !1
            }
            ,
            e.prototype.hasRenderTargetTextures = function() {
                return !1
            }
            ,
            e.prototype.fillRenderTargetTextures = function(e) {}
            ,
            e.prototype.getActiveTextures = function(e) {}
            ,
            e.prototype.getAnimatables = function(e) {}
            ,
            e.prototype.addFallbacks = function(e, t, i) {
                return i
            }
            ,
            e.prototype.getSamplers = function(e) {}
            ,
            e.prototype.getUniformBuffersNames = function(e) {}
            ,
            e.prototype.getUniforms = function() {
                return {}
            }
            ,
            e.prototype.copyTo = function(e) {
                Ge.Clone((function() {
                    return e
                }
                ), this)
            }
            ,
            e.prototype.serialize = function() {
                return Ge.Serialize(this)
            }
            ,
            e.prototype.parse = function(e, t, i) {
                var n = this;
                Ge.Parse((function() {
                    return n
                }
                ), e, t, i)
            }
            ,
            k([Ce()], e.prototype, "name", void 0),
            k([Ce()], e.prototype, "priority", void 0),
            k([Ce()], e.prototype, "registerForExtraEvents", void 0),
            e
        }()
          , Cs = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.DETAIL = !1,
                t.DETAILDIRECTUV = 0,
                t.DETAIL_NORMALBLENDMETHOD = 0,
                t
            }
            return U(t, e),
            t
        }(Si)
          , Ps = function(e) {
            function t(t, i) {
                void 0 === i && (i = !0);
                var n = e.call(this, t, "DetailMap", 140, new Cs, i) || this;
                return n._texture = null,
                n.diffuseBlendLevel = 1,
                n.roughnessBlendLevel = 1,
                n.bumpLevel = 1,
                n._normalBlendMethod = Or.MATERIAL_NORMALBLENDMETHOD_WHITEOUT,
                n._isEnabled = !1,
                n.isEnabled = !1,
                n._internalMarkAllSubMeshesAsTexturesDirty = t._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag],
                n
            }
            return U(t, e),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._enable(this._isEnabled),
                this._internalMarkAllSubMeshesAsTexturesDirty()
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                return !this._isEnabled || !(e._areTexturesDirty && t.texturesEnabled && i.getCaps().standardDerivatives && this._texture && vs.DetailTextureEnabled && !this._texture.isReady())
            }
            ,
            t.prototype.prepareDefines = function(e, t) {
                if (this._isEnabled) {
                    e.DETAIL_NORMALBLENDMETHOD = this._normalBlendMethod;
                    var i = t.getEngine();
                    e._areTexturesDirty && (i.getCaps().standardDerivatives && this._texture && vs.DetailTextureEnabled && this._isEnabled ? (Mr.PrepareDefinesForMergedUV(this._texture, e, "DETAIL"),
                    e.DETAIL_NORMALBLENDMETHOD = this._normalBlendMethod) : e.DETAIL = !1)
                } else
                    e.DETAIL = !1
            }
            ,
            t.prototype.bindForSubMesh = function(e, t) {
                if (this._isEnabled) {
                    var i = this._material.isFrozen;
                    e.useUbo && i && e.isSync || this._texture && vs.DetailTextureEnabled && (e.updateFloat4("vDetailInfos", this._texture.coordinatesIndex, this.diffuseBlendLevel, this.bumpLevel, this.roughnessBlendLevel),
                    Mr.BindTextureMatrix(this._texture, e, "detail")),
                    t.texturesEnabled && this._texture && vs.DetailTextureEnabled && e.setTexture("detailSampler", this._texture)
                }
            }
            ,
            t.prototype.hasTexture = function(e) {
                return this._texture === e
            }
            ,
            t.prototype.getActiveTextures = function(e) {
                this._texture && e.push(this._texture)
            }
            ,
            t.prototype.getAnimatables = function(e) {
                this._texture && this._texture.animations && this._texture.animations.length > 0 && e.push(this._texture)
            }
            ,
            t.prototype.dispose = function(e) {
                var t;
                e && (null === (t = this._texture) || void 0 === t || t.dispose())
            }
            ,
            t.prototype.getClassName = function() {
                return "DetailMapConfiguration"
            }
            ,
            t.prototype.getSamplers = function(e) {
                e.push("detailSampler")
            }
            ,
            t.prototype.getUniforms = function() {
                return {
                    ubo: [{
                        name: "vDetailInfos",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "detailMatrix",
                        size: 16,
                        type: "mat4"
                    }]
                }
            }
            ,
            k([Pe("detailTexture"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "texture", void 0),
            k([Ce()], t.prototype, "diffuseBlendLevel", void 0),
            k([Ce()], t.prototype, "roughnessBlendLevel", void 0),
            k([Ce()], t.prototype, "bumpLevel", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "normalBlendMethod", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isEnabled", void 0),
            t
        }(Rs)
          , Ms = {
            effect: null,
            subMesh: null
        }
          , Is = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.MAINUV1 = !1,
                i.MAINUV2 = !1,
                i.MAINUV3 = !1,
                i.MAINUV4 = !1,
                i.MAINUV5 = !1,
                i.MAINUV6 = !1,
                i.DIFFUSE = !1,
                i.DIFFUSEDIRECTUV = 0,
                i.BAKED_VERTEX_ANIMATION_TEXTURE = !1,
                i.AMBIENT = !1,
                i.AMBIENTDIRECTUV = 0,
                i.OPACITY = !1,
                i.OPACITYDIRECTUV = 0,
                i.OPACITYRGB = !1,
                i.REFLECTION = !1,
                i.EMISSIVE = !1,
                i.EMISSIVEDIRECTUV = 0,
                i.SPECULAR = !1,
                i.SPECULARDIRECTUV = 0,
                i.BUMP = !1,
                i.BUMPDIRECTUV = 0,
                i.PARALLAX = !1,
                i.PARALLAXOCCLUSION = !1,
                i.SPECULAROVERALPHA = !1,
                i.CLIPPLANE = !1,
                i.CLIPPLANE2 = !1,
                i.CLIPPLANE3 = !1,
                i.CLIPPLANE4 = !1,
                i.CLIPPLANE5 = !1,
                i.CLIPPLANE6 = !1,
                i.ALPHATEST = !1,
                i.DEPTHPREPASS = !1,
                i.ALPHAFROMDIFFUSE = !1,
                i.POINTSIZE = !1,
                i.FOG = !1,
                i.SPECULARTERM = !1,
                i.DIFFUSEFRESNEL = !1,
                i.OPACITYFRESNEL = !1,
                i.REFLECTIONFRESNEL = !1,
                i.REFRACTIONFRESNEL = !1,
                i.EMISSIVEFRESNEL = !1,
                i.FRESNEL = !1,
                i.NORMAL = !1,
                i.TANGENT = !1,
                i.UV1 = !1,
                i.UV2 = !1,
                i.UV3 = !1,
                i.UV4 = !1,
                i.UV5 = !1,
                i.UV6 = !1,
                i.VERTEXCOLOR = !1,
                i.VERTEXALPHA = !1,
                i.NUM_BONE_INFLUENCERS = 0,
                i.BonesPerMesh = 0,
                i.BONETEXTURE = !1,
                i.BONES_VELOCITY_ENABLED = !1,
                i.INSTANCES = !1,
                i.THIN_INSTANCES = !1,
                i.INSTANCESCOLOR = !1,
                i.GLOSSINESS = !1,
                i.ROUGHNESS = !1,
                i.EMISSIVEASILLUMINATION = !1,
                i.LINKEMISSIVEWITHDIFFUSE = !1,
                i.REFLECTIONFRESNELFROMSPECULAR = !1,
                i.LIGHTMAP = !1,
                i.LIGHTMAPDIRECTUV = 0,
                i.OBJECTSPACE_NORMALMAP = !1,
                i.USELIGHTMAPASSHADOWMAP = !1,
                i.REFLECTIONMAP_3D = !1,
                i.REFLECTIONMAP_SPHERICAL = !1,
                i.REFLECTIONMAP_PLANAR = !1,
                i.REFLECTIONMAP_CUBIC = !1,
                i.USE_LOCAL_REFLECTIONMAP_CUBIC = !1,
                i.USE_LOCAL_REFRACTIONMAP_CUBIC = !1,
                i.REFLECTIONMAP_PROJECTION = !1,
                i.REFLECTIONMAP_SKYBOX = !1,
                i.REFLECTIONMAP_EXPLICIT = !1,
                i.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                i.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                i.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                i.REFLECTIONMAP_OPPOSITEZ = !1,
                i.INVERTCUBICMAP = !1,
                i.LOGARITHMICDEPTH = !1,
                i.REFRACTION = !1,
                i.REFRACTIONMAP_3D = !1,
                i.REFLECTIONOVERALPHA = !1,
                i.TWOSIDEDLIGHTING = !1,
                i.SHADOWFLOAT = !1,
                i.MORPHTARGETS = !1,
                i.MORPHTARGETS_NORMAL = !1,
                i.MORPHTARGETS_TANGENT = !1,
                i.MORPHTARGETS_UV = !1,
                i.NUM_MORPH_INFLUENCERS = 0,
                i.MORPHTARGETS_TEXTURE = !1,
                i.NONUNIFORMSCALING = !1,
                i.PREMULTIPLYALPHA = !1,
                i.ALPHATEST_AFTERALLALPHACOMPUTATIONS = !1,
                i.ALPHABLEND = !0,
                i.PREPASS = !1,
                i.PREPASS_IRRADIANCE = !1,
                i.PREPASS_IRRADIANCE_INDEX = -1,
                i.PREPASS_ALBEDO_SQRT = !1,
                i.PREPASS_ALBEDO_SQRT_INDEX = -1,
                i.PREPASS_DEPTH = !1,
                i.PREPASS_DEPTH_INDEX = -1,
                i.PREPASS_NORMAL = !1,
                i.PREPASS_NORMAL_INDEX = -1,
                i.PREPASS_POSITION = !1,
                i.PREPASS_POSITION_INDEX = -1,
                i.PREPASS_VELOCITY = !1,
                i.PREPASS_VELOCITY_INDEX = -1,
                i.PREPASS_REFLECTIVITY = !1,
                i.PREPASS_REFLECTIVITY_INDEX = -1,
                i.SCENE_MRT_COUNT = 0,
                i.RGBDLIGHTMAP = !1,
                i.RGBDREFLECTION = !1,
                i.RGBDREFRACTION = !1,
                i.IMAGEPROCESSING = !1,
                i.VIGNETTE = !1,
                i.VIGNETTEBLENDMODEMULTIPLY = !1,
                i.VIGNETTEBLENDMODEOPAQUE = !1,
                i.TONEMAPPING = !1,
                i.TONEMAPPING_ACES = !1,
                i.CONTRAST = !1,
                i.COLORCURVES = !1,
                i.COLORGRADING = !1,
                i.COLORGRADING3D = !1,
                i.SAMPLER3DGREENDEPTH = !1,
                i.SAMPLER3DBGRMAP = !1,
                i.IMAGEPROCESSINGPOSTPROCESS = !1,
                i.SKIPFINALCOLORCLAMP = !1,
                i.MULTIVIEW = !1,
                i.ORDER_INDEPENDENT_TRANSPARENCY = !1,
                i.ORDER_INDEPENDENT_TRANSPARENCY_16BITS = !1,
                i.IS_REFLECTION_LINEAR = !1,
                i.IS_REFRACTION_LINEAR = !1,
                i.EXPOSURE = !1,
                i.rebuild(),
                i
            }
            return U(t, e),
            t.prototype.setReflectionMode = function(e) {
                for (var t = 0, i = ["REFLECTIONMAP_CUBIC", "REFLECTIONMAP_EXPLICIT", "REFLECTIONMAP_PLANAR", "REFLECTIONMAP_PROJECTION", "REFLECTIONMAP_PROJECTION", "REFLECTIONMAP_SKYBOX", "REFLECTIONMAP_SPHERICAL", "REFLECTIONMAP_EQUIRECTANGULAR", "REFLECTIONMAP_EQUIRECTANGULAR_FIXED", "REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED"]; t < i.length; t++) {
                    var n = i[t];
                    this[n] = n === e
                }
            }
            ,
            t
        }(Si)
          , Os = function(e) {
            function t(i, n) {
                var r = e.call(this, i, n) || this;
                return r._diffuseTexture = null,
                r._ambientTexture = null,
                r._opacityTexture = null,
                r._reflectionTexture = null,
                r._emissiveTexture = null,
                r._specularTexture = null,
                r._bumpTexture = null,
                r._lightmapTexture = null,
                r._refractionTexture = null,
                r.ambientColor = new D(0,0,0),
                r.diffuseColor = new D(1,1,1),
                r.specularColor = new D(1,1,1),
                r.emissiveColor = new D(0,0,0),
                r.specularPower = 64,
                r._useAlphaFromDiffuseTexture = !1,
                r._useEmissiveAsIllumination = !1,
                r._linkEmissiveWithDiffuse = !1,
                r._useSpecularOverAlpha = !1,
                r._useReflectionOverAlpha = !1,
                r._disableLighting = !1,
                r._useObjectSpaceNormalMap = !1,
                r._useParallax = !1,
                r._useParallaxOcclusion = !1,
                r.parallaxScaleBias = .05,
                r._roughness = 0,
                r.indexOfRefraction = .98,
                r.invertRefractionY = !0,
                r.alphaCutOff = .4,
                r._useLightmapAsShadowmap = !1,
                r._useReflectionFresnelFromSpecular = !1,
                r._useGlossinessFromSpecularMapAlpha = !1,
                r._maxSimultaneousLights = 4,
                r._invertNormalMapX = !1,
                r._invertNormalMapY = !1,
                r._twoSidedLighting = !1,
                r._renderTargets = new bi(16),
                r._worldViewProjectionMatrix = P.Zero(),
                r._globalAmbientColor = new D(0,0,0),
                r._cacheHasRenderTargetTextures = !1,
                r.detailMap = new Ps(r),
                r._attachImageProcessingConfiguration(null),
                r.prePassConfiguration = new ms,
                r.getRenderTargetTextures = function() {
                    return r._renderTargets.reset(),
                    t.ReflectionTextureEnabled && r._reflectionTexture && r._reflectionTexture.isRenderTarget && r._renderTargets.push(r._reflectionTexture),
                    t.RefractionTextureEnabled && r._refractionTexture && r._refractionTexture.isRenderTarget && r._renderTargets.push(r._refractionTexture),
                    r._eventInfo.renderTargets = r._renderTargets,
                    r._callbackPluginEventFillRenderTargetTextures(r._eventInfo),
                    r._renderTargets
                }
                ,
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    this._attachImageProcessingConfiguration(e),
                    this._markAllSubMeshesAsTexturesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._attachImageProcessingConfiguration = function(e) {
                var t = this;
                e !== this._imageProcessingConfiguration && (this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingConfiguration = e || this.getScene().imageProcessingConfiguration,
                this._imageProcessingConfiguration && (this._imageProcessingObserver = this._imageProcessingConfiguration.onUpdateParameters.add((function() {
                    t._markAllSubMeshesAsImageProcessingDirty()
                }
                ))))
            }
            ,
            Object.defineProperty(t.prototype, "isPrePassCapable", {
                get: function() {
                    return !this.disableDepthWrite
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurvesEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurvesEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurvesEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorGradingEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraToneMappingEnabled", {
                get: function() {
                    return this._imageProcessingConfiguration.toneMappingEnabled
                },
                set: function(e) {
                    this._imageProcessingConfiguration.toneMappingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraExposure", {
                get: function() {
                    return this._imageProcessingConfiguration.exposure
                },
                set: function(e) {
                    this._imageProcessingConfiguration.exposure = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraContrast", {
                get: function() {
                    return this._imageProcessingConfiguration.contrast
                },
                set: function(e) {
                    this._imageProcessingConfiguration.contrast = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingTexture", {
                get: function() {
                    return this._imageProcessingConfiguration.colorGradingTexture
                },
                set: function(e) {
                    this._imageProcessingConfiguration.colorGradingTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurves", {
                get: function() {
                    return this._imageProcessingConfiguration.colorCurves
                },
                set: function(e) {
                    this._imageProcessingConfiguration.colorCurves = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "canRenderToMRT", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasRenderTargetTextures", {
                get: function() {
                    return !!(t.ReflectionTextureEnabled && this._reflectionTexture && this._reflectionTexture.isRenderTarget) || !!(t.RefractionTextureEnabled && this._refractionTexture && this._refractionTexture.isRenderTarget) || this._cacheHasRenderTargetTextures
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "StandardMaterial"
            }
            ,
            Object.defineProperty(t.prototype, "useLogarithmicDepth", {
                get: function() {
                    return this._useLogarithmicDepth
                },
                set: function(e) {
                    this._useLogarithmicDepth = e && this.getScene().getEngine().getCaps().fragmentDepthSupported,
                    this._markAllSubMeshesAsMiscDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.needAlphaBlending = function() {
                return !this._disableAlphaBlending && (this.alpha < 1 || null != this._opacityTexture || this._shouldUseAlphaFromDiffuseTexture() || this._opacityFresnelParameters && this._opacityFresnelParameters.isEnabled)
            }
            ,
            t.prototype.needAlphaTesting = function() {
                return !!this._forceAlphaTest || this._hasAlphaChannel() && (null == this._transparencyMode || this._transparencyMode === Or.MATERIAL_ALPHATEST)
            }
            ,
            t.prototype._shouldUseAlphaFromDiffuseTexture = function() {
                return null != this._diffuseTexture && this._diffuseTexture.hasAlpha && this._useAlphaFromDiffuseTexture && this._transparencyMode !== Or.MATERIAL_OPAQUE
            }
            ,
            t.prototype._hasAlphaChannel = function() {
                return null != this._diffuseTexture && this._diffuseTexture.hasAlpha || null != this._opacityTexture
            }
            ,
            t.prototype.getAlphaTestTexture = function() {
                return this._diffuseTexture
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, i, n) {
                if (void 0 === n && (n = !1),
                this._uniformBufferLayoutBuilt || this.buildUniformLayout(),
                i.effect && this.isFrozen && i.effect._wasPreviouslyReady)
                    return !0;
                i.materialDefines || (this._callbackPluginEventGeneric(Ar.GetDefineNames, this._eventInfo),
                i.materialDefines = new Is(this._eventInfo.defineNames));
                var r = this.getScene()
                  , o = i.materialDefines;
                if (this._isReadyForSubMesh(i))
                    return !0;
                var s = r.getEngine();
                o._needNormals = Mr.PrepareDefinesForLights(r, e, o, !0, this._maxSimultaneousLights, this._disableLighting),
                Mr.PrepareDefinesForMultiview(r, o);
                var l = this.needAlphaBlendingForMesh(e) && this.getScene().useOrderIndependentTransparency;
                if (Mr.PrepareDefinesForPrePass(r, o, this.canRenderToMRT && !l),
                Mr.PrepareDefinesForOIT(r, o, l),
                o._areTexturesDirty) {
                    this._eventInfo.hasRenderTargetTextures = !1,
                    this._callbackPluginEventHasRenderTargetTextures(this._eventInfo),
                    this._cacheHasRenderTargetTextures = this._eventInfo.hasRenderTargetTextures,
                    o._needUVs = !1;
                    for (var c = 1; c <= a.MAX_SUPPORTED_UV_SETS; ++c)
                        o["MAINUV" + c] = !1;
                    if (r.texturesEnabled) {
                        if (this._diffuseTexture && t.DiffuseTextureEnabled) {
                            if (!this._diffuseTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._diffuseTexture, o, "DIFFUSE")
                        } else
                            o.DIFFUSE = !1;
                        if (this._ambientTexture && t.AmbientTextureEnabled) {
                            if (!this._ambientTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._ambientTexture, o, "AMBIENT")
                        } else
                            o.AMBIENT = !1;
                        if (this._opacityTexture && t.OpacityTextureEnabled) {
                            if (!this._opacityTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._opacityTexture, o, "OPACITY"),
                            o.OPACITYRGB = this._opacityTexture.getAlphaFromRGB
                        } else
                            o.OPACITY = !1;
                        if (this._reflectionTexture && t.ReflectionTextureEnabled) {
                            if (!this._reflectionTexture.isReadyOrNotBlocking())
                                return !1;
                            switch (o._needNormals = !0,
                            o.REFLECTION = !0,
                            o.ROUGHNESS = this._roughness > 0,
                            o.REFLECTIONOVERALPHA = this._useReflectionOverAlpha,
                            o.INVERTCUBICMAP = this._reflectionTexture.coordinatesMode === io.INVCUBIC_MODE,
                            o.REFLECTIONMAP_3D = this._reflectionTexture.isCube,
                            o.RGBDREFLECTION = this._reflectionTexture.isRGBD,
                            o.REFLECTIONMAP_OPPOSITEZ = this.getScene().useRightHandedSystem ? !this._reflectionTexture.invertZ : this._reflectionTexture.invertZ,
                            this._reflectionTexture.coordinatesMode) {
                            case io.EXPLICIT_MODE:
                                o.setReflectionMode("REFLECTIONMAP_EXPLICIT");
                                break;
                            case io.PLANAR_MODE:
                                o.setReflectionMode("REFLECTIONMAP_PLANAR");
                                break;
                            case io.PROJECTION_MODE:
                                o.setReflectionMode("REFLECTIONMAP_PROJECTION");
                                break;
                            case io.SKYBOX_MODE:
                                o.setReflectionMode("REFLECTIONMAP_SKYBOX");
                                break;
                            case io.SPHERICAL_MODE:
                                o.setReflectionMode("REFLECTIONMAP_SPHERICAL");
                                break;
                            case io.EQUIRECTANGULAR_MODE:
                                o.setReflectionMode("REFLECTIONMAP_EQUIRECTANGULAR");
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MODE:
                                o.setReflectionMode("REFLECTIONMAP_EQUIRECTANGULAR_FIXED");
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MIRRORED_MODE:
                                o.setReflectionMode("REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED");
                                break;
                            case io.CUBIC_MODE:
                            case io.INVCUBIC_MODE:
                            default:
                                o.setReflectionMode("REFLECTIONMAP_CUBIC")
                            }
                            o.USE_LOCAL_REFLECTIONMAP_CUBIC = !!this._reflectionTexture.boundingBoxSize
                        } else
                            o.REFLECTION = !1,
                            o.REFLECTIONMAP_OPPOSITEZ = !1;
                        if (this._emissiveTexture && t.EmissiveTextureEnabled) {
                            if (!this._emissiveTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._emissiveTexture, o, "EMISSIVE")
                        } else
                            o.EMISSIVE = !1;
                        if (this._lightmapTexture && t.LightmapTextureEnabled) {
                            if (!this._lightmapTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._lightmapTexture, o, "LIGHTMAP"),
                            o.USELIGHTMAPASSHADOWMAP = this._useLightmapAsShadowmap,
                            o.RGBDLIGHTMAP = this._lightmapTexture.isRGBD
                        } else
                            o.LIGHTMAP = !1;
                        if (this._specularTexture && t.SpecularTextureEnabled) {
                            if (!this._specularTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._specularTexture, o, "SPECULAR"),
                            o.GLOSSINESS = this._useGlossinessFromSpecularMapAlpha
                        } else
                            o.SPECULAR = !1;
                        if (r.getEngine().getCaps().standardDerivatives && this._bumpTexture && t.BumpTextureEnabled) {
                            if (!this._bumpTexture.isReady())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._bumpTexture, o, "BUMP"),
                            o.PARALLAX = this._useParallax,
                            o.PARALLAXOCCLUSION = this._useParallaxOcclusion,
                            o.OBJECTSPACE_NORMALMAP = this._useObjectSpaceNormalMap
                        } else
                            o.BUMP = !1;
                        if (this._refractionTexture && t.RefractionTextureEnabled) {
                            if (!this._refractionTexture.isReadyOrNotBlocking())
                                return !1;
                            o._needUVs = !0,
                            o.REFRACTION = !0,
                            o.REFRACTIONMAP_3D = this._refractionTexture.isCube,
                            o.RGBDREFRACTION = this._refractionTexture.isRGBD,
                            o.USE_LOCAL_REFRACTIONMAP_CUBIC = !!this._refractionTexture.boundingBoxSize
                        } else
                            o.REFRACTION = !1;
                        o.TWOSIDEDLIGHTING = !this._backFaceCulling && this._twoSidedLighting
                    } else
                        o.DIFFUSE = !1,
                        o.AMBIENT = !1,
                        o.OPACITY = !1,
                        o.REFLECTION = !1,
                        o.EMISSIVE = !1,
                        o.LIGHTMAP = !1,
                        o.BUMP = !1,
                        o.REFRACTION = !1;
                    o.ALPHAFROMDIFFUSE = this._shouldUseAlphaFromDiffuseTexture(),
                    o.EMISSIVEASILLUMINATION = this._useEmissiveAsIllumination,
                    o.LINKEMISSIVEWITHDIFFUSE = this._linkEmissiveWithDiffuse,
                    o.SPECULAROVERALPHA = this._useSpecularOverAlpha,
                    o.PREMULTIPLYALPHA = this.alphaMode === a.ALPHA_PREMULTIPLIED || this.alphaMode === a.ALPHA_PREMULTIPLIED_PORTERDUFF,
                    o.ALPHATEST_AFTERALLALPHACOMPUTATIONS = null !== this.transparencyMode,
                    o.ALPHABLEND = null === this.transparencyMode || this.needAlphaBlendingForMesh(e)
                }
                if (this._eventInfo.isReadyForSubMesh = !0,
                this._eventInfo.defines = o,
                this._callbackPluginEventIsReadyForSubMesh(this._eventInfo),
                !this._eventInfo.isReadyForSubMesh)
                    return !1;
                if (o._areImageProcessingDirty && this._imageProcessingConfiguration) {
                    if (!this._imageProcessingConfiguration.isReady())
                        return !1;
                    this._imageProcessingConfiguration.prepareDefines(o),
                    o.IS_REFLECTION_LINEAR = null != this.reflectionTexture && !this.reflectionTexture.gammaSpace,
                    o.IS_REFRACTION_LINEAR = null != this.refractionTexture && !this.refractionTexture.gammaSpace
                }
                if (o._areFresnelDirty && (t.FresnelEnabled ? (this._diffuseFresnelParameters || this._opacityFresnelParameters || this._emissiveFresnelParameters || this._refractionFresnelParameters || this._reflectionFresnelParameters) && (o.DIFFUSEFRESNEL = this._diffuseFresnelParameters && this._diffuseFresnelParameters.isEnabled,
                o.OPACITYFRESNEL = this._opacityFresnelParameters && this._opacityFresnelParameters.isEnabled,
                o.REFLECTIONFRESNEL = this._reflectionFresnelParameters && this._reflectionFresnelParameters.isEnabled,
                o.REFLECTIONFRESNELFROMSPECULAR = this._useReflectionFresnelFromSpecular,
                o.REFRACTIONFRESNEL = this._refractionFresnelParameters && this._refractionFresnelParameters.isEnabled,
                o.EMISSIVEFRESNEL = this._emissiveFresnelParameters && this._emissiveFresnelParameters.isEnabled,
                o._needNormals = !0,
                o.FRESNEL = !0) : o.FRESNEL = !1),
                Mr.PrepareDefinesForMisc(e, r, this._useLogarithmicDepth, this.pointsCloud, this.fogEnabled, this._shouldTurnAlphaTestOn(e) || this._forceAlphaTest, o),
                Mr.PrepareDefinesForAttributes(e, o, !0, !0, !0),
                Mr.PrepareDefinesForFrameBoundValues(r, s, o, n, null, i.getRenderingMesh().hasThinInstances),
                this._eventInfo.defines = o,
                this._eventInfo.mesh = e,
                this._callbackPluginEventPrepareDefines(this._eventInfo),
                o.isDirty) {
                    var u = o._areLightsDisposed;
                    o.markAsProcessed();
                    var h = new ys;
                    o.REFLECTION && h.addFallback(0, "REFLECTION"),
                    o.SPECULAR && h.addFallback(0, "SPECULAR"),
                    o.BUMP && h.addFallback(0, "BUMP"),
                    o.PARALLAX && h.addFallback(1, "PARALLAX"),
                    o.PARALLAXOCCLUSION && h.addFallback(0, "PARALLAXOCCLUSION"),
                    o.SPECULAROVERALPHA && h.addFallback(0, "SPECULAROVERALPHA"),
                    o.FOG && h.addFallback(1, "FOG"),
                    o.POINTSIZE && h.addFallback(0, "POINTSIZE"),
                    o.LOGARITHMICDEPTH && h.addFallback(0, "LOGARITHMICDEPTH"),
                    Mr.HandleFallbacksForShadows(o, h, this._maxSimultaneousLights),
                    o.SPECULARTERM && h.addFallback(0, "SPECULARTERM"),
                    o.DIFFUSEFRESNEL && h.addFallback(1, "DIFFUSEFRESNEL"),
                    o.OPACITYFRESNEL && h.addFallback(2, "OPACITYFRESNEL"),
                    o.REFLECTIONFRESNEL && h.addFallback(3, "REFLECTIONFRESNEL"),
                    o.EMISSIVEFRESNEL && h.addFallback(4, "EMISSIVEFRESNEL"),
                    o.FRESNEL && h.addFallback(4, "FRESNEL"),
                    o.MULTIVIEW && h.addFallback(0, "MULTIVIEW");
                    var d = [Bi.PositionKind];
                    for (o.NORMAL && d.push(Bi.NormalKind),
                    o.TANGENT && d.push(Bi.TangentKind),
                    c = 1; c <= a.MAX_SUPPORTED_UV_SETS; ++c)
                        o["UV" + c] && d.push("uv".concat(1 === c ? "" : c));
                    o.VERTEXCOLOR && d.push(Bi.ColorKind),
                    o.INSTANCESCOLOR && d.push(Bi.ColorInstanceKind),
                    Mr.PrepareAttributesForBones(d, e, o, h),
                    Mr.PrepareAttributesForInstances(d, o),
                    Mr.PrepareAttributesForMorphTargets(d, e, o),
                    Mr.PrepareAttributesForBakedVertexAnimation(d, e, o);
                    var p = "default"
                      , f = ["world", "view", "viewProjection", "vEyePosition", "vLightsType", "vAmbientColor", "vDiffuseColor", "vSpecularColor", "vEmissiveColor", "visibility", "vFogInfos", "vFogColor", "pointSize", "vDiffuseInfos", "vAmbientInfos", "vOpacityInfos", "vReflectionInfos", "vEmissiveInfos", "vSpecularInfos", "vBumpInfos", "vLightmapInfos", "vRefractionInfos", "mBones", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "diffuseMatrix", "ambientMatrix", "opacityMatrix", "reflectionMatrix", "emissiveMatrix", "specularMatrix", "bumpMatrix", "normalMatrix", "lightmapMatrix", "refractionMatrix", "diffuseLeftColor", "diffuseRightColor", "opacityParts", "reflectionLeftColor", "reflectionRightColor", "emissiveLeftColor", "emissiveRightColor", "refractionLeftColor", "refractionRightColor", "vReflectionPosition", "vReflectionSize", "vRefractionPosition", "vRefractionSize", "logarithmicDepthConstant", "vTangentSpaceParams", "alphaCutOff", "boneTextureWidth", "morphTargetTextureInfo", "morphTargetTextureIndices"]
                      , _ = ["diffuseSampler", "ambientSampler", "opacitySampler", "reflectionCubeSampler", "reflection2DSampler", "emissiveSampler", "specularSampler", "bumpSampler", "lightmapSampler", "refractionCubeSampler", "refraction2DSampler", "boneSampler", "morphTargets", "oitDepthSampler", "oitFrontColorSampler"]
                      , m = ["Material", "Scene", "Mesh"];
                    this._eventInfo.fallbacks = h,
                    this._eventInfo.fallbackRank = 0,
                    this._eventInfo.defines = o,
                    this._eventInfo.uniforms = f,
                    this._eventInfo.samplers = _,
                    this._eventInfo.uniformBuffersNames = m,
                    this._eventInfo.customCode = void 0,
                    this._callbackPluginEventGeneric(Ar.PrepareEffect, this._eventInfo),
                    ms.AddUniforms(f),
                    ms.AddSamplers(_),
                    Ri && (Ri.PrepareUniforms(f, o),
                    Ri.PrepareSamplers(_, o)),
                    Mr.PrepareUniformsAndSamplersList({
                        uniformsNames: f,
                        uniformBuffersNames: m,
                        samplers: _,
                        defines: o,
                        maxSimultaneousLights: this._maxSimultaneousLights
                    });
                    var g = {};
                    this.customShaderNameResolve && (p = this.customShaderNameResolve(p, f, m, _, o, d, g));
                    var v = o.toString()
                      , y = i.effect
                      , b = r.getEngine().createEffect(p, {
                        attributes: d,
                        uniformsNames: f,
                        uniformBuffersNames: m,
                        samplers: _,
                        defines: v,
                        fallbacks: h,
                        onCompiled: this.onCompiled,
                        onError: this.onError,
                        indexParameters: {
                            maxSimultaneousLights: this._maxSimultaneousLights,
                            maxSimultaneousMorphTargets: o.NUM_MORPH_INFLUENCERS
                        },
                        processFinalCode: g.processFinalCode,
                        processCodeAfterIncludes: this._eventInfo.customCode,
                        multiTarget: o.PREPASS
                    }, s);
                    if (b)
                        if (this._onEffectCreatedObservable && (Ms.effect = b,
                        Ms.subMesh = i,
                        this._onEffectCreatedObservable.notifyObservers(Ms)),
                        this.allowShaderHotSwapping && y && !b.isReady()) {
                            if (b = y,
                            o.markAsUnprocessed(),
                            u)
                                return o._areLightsDisposed = !0,
                                !1
                        } else
                            r.resetCachedMaterial(),
                            i.setEffect(b, o, this._materialContext)
                }
                return !(!i.effect || !i.effect.isReady() || (o._renderId = r.getRenderId(),
                i.effect._wasPreviouslyReady = !0,
                0))
            }
            ,
            t.prototype.buildUniformLayout = function() {
                var t = this._uniformBuffer;
                t.addUniform("diffuseLeftColor", 4),
                t.addUniform("diffuseRightColor", 4),
                t.addUniform("opacityParts", 4),
                t.addUniform("reflectionLeftColor", 4),
                t.addUniform("reflectionRightColor", 4),
                t.addUniform("refractionLeftColor", 4),
                t.addUniform("refractionRightColor", 4),
                t.addUniform("emissiveLeftColor", 4),
                t.addUniform("emissiveRightColor", 4),
                t.addUniform("vDiffuseInfos", 2),
                t.addUniform("vAmbientInfos", 2),
                t.addUniform("vOpacityInfos", 2),
                t.addUniform("vReflectionInfos", 2),
                t.addUniform("vReflectionPosition", 3),
                t.addUniform("vReflectionSize", 3),
                t.addUniform("vEmissiveInfos", 2),
                t.addUniform("vLightmapInfos", 2),
                t.addUniform("vSpecularInfos", 2),
                t.addUniform("vBumpInfos", 3),
                t.addUniform("diffuseMatrix", 16),
                t.addUniform("ambientMatrix", 16),
                t.addUniform("opacityMatrix", 16),
                t.addUniform("reflectionMatrix", 16),
                t.addUniform("emissiveMatrix", 16),
                t.addUniform("lightmapMatrix", 16),
                t.addUniform("specularMatrix", 16),
                t.addUniform("bumpMatrix", 16),
                t.addUniform("vTangentSpaceParams", 2),
                t.addUniform("pointSize", 1),
                t.addUniform("alphaCutOff", 1),
                t.addUniform("refractionMatrix", 16),
                t.addUniform("vRefractionInfos", 4),
                t.addUniform("vRefractionPosition", 3),
                t.addUniform("vRefractionSize", 3),
                t.addUniform("vSpecularColor", 4),
                t.addUniform("vEmissiveColor", 3),
                t.addUniform("vDiffuseColor", 4),
                t.addUniform("vAmbientColor", 3),
                e.prototype.buildUniformLayout.call(this)
            }
            ,
            t.prototype.bindForSubMesh = function(e, i, n) {
                var r, o = this.getScene(), a = n.materialDefines;
                if (a) {
                    var s = n.effect;
                    if (s) {
                        this._activeEffect = s,
                        i.getMeshUniformBuffer().bindToEffect(s, "Mesh"),
                        i.transferToEffect(e),
                        this._uniformBuffer.bindToEffect(s, "Material"),
                        this.prePassConfiguration.bindForSubMesh(this._activeEffect, o, i, e, this.isFrozen),
                        this._eventInfo.subMesh = n,
                        this._callbackPluginEventHardBindForSubMesh(this._eventInfo),
                        a.OBJECTSPACE_NORMALMAP && (e.toNormalMatrix(this._normalMatrix),
                        this.bindOnlyNormalMatrix(this._normalMatrix));
                        var l = this._mustRebind(o, s, i.visibility);
                        Mr.BindBonesParameters(i, s);
                        var c = this._uniformBuffer;
                        if (l) {
                            if (this.bindViewProjection(s),
                            !c.useUbo || !this.isFrozen || !c.isSync) {
                                if (t.FresnelEnabled && a.FRESNEL && (this.diffuseFresnelParameters && this.diffuseFresnelParameters.isEnabled && (c.updateColor4("diffuseLeftColor", this.diffuseFresnelParameters.leftColor, this.diffuseFresnelParameters.power),
                                c.updateColor4("diffuseRightColor", this.diffuseFresnelParameters.rightColor, this.diffuseFresnelParameters.bias)),
                                this.opacityFresnelParameters && this.opacityFresnelParameters.isEnabled && c.updateColor4("opacityParts", new D(this.opacityFresnelParameters.leftColor.toLuminance(),this.opacityFresnelParameters.rightColor.toLuminance(),this.opacityFresnelParameters.bias), this.opacityFresnelParameters.power),
                                this.reflectionFresnelParameters && this.reflectionFresnelParameters.isEnabled && (c.updateColor4("reflectionLeftColor", this.reflectionFresnelParameters.leftColor, this.reflectionFresnelParameters.power),
                                c.updateColor4("reflectionRightColor", this.reflectionFresnelParameters.rightColor, this.reflectionFresnelParameters.bias)),
                                this.refractionFresnelParameters && this.refractionFresnelParameters.isEnabled && (c.updateColor4("refractionLeftColor", this.refractionFresnelParameters.leftColor, this.refractionFresnelParameters.power),
                                c.updateColor4("refractionRightColor", this.refractionFresnelParameters.rightColor, this.refractionFresnelParameters.bias)),
                                this.emissiveFresnelParameters && this.emissiveFresnelParameters.isEnabled && (c.updateColor4("emissiveLeftColor", this.emissiveFresnelParameters.leftColor, this.emissiveFresnelParameters.power),
                                c.updateColor4("emissiveRightColor", this.emissiveFresnelParameters.rightColor, this.emissiveFresnelParameters.bias))),
                                o.texturesEnabled) {
                                    if (this._diffuseTexture && t.DiffuseTextureEnabled && (c.updateFloat2("vDiffuseInfos", this._diffuseTexture.coordinatesIndex, this._diffuseTexture.level),
                                    Mr.BindTextureMatrix(this._diffuseTexture, c, "diffuse")),
                                    this._ambientTexture && t.AmbientTextureEnabled && (c.updateFloat2("vAmbientInfos", this._ambientTexture.coordinatesIndex, this._ambientTexture.level),
                                    Mr.BindTextureMatrix(this._ambientTexture, c, "ambient")),
                                    this._opacityTexture && t.OpacityTextureEnabled && (c.updateFloat2("vOpacityInfos", this._opacityTexture.coordinatesIndex, this._opacityTexture.level),
                                    Mr.BindTextureMatrix(this._opacityTexture, c, "opacity")),
                                    this._hasAlphaChannel() && c.updateFloat("alphaCutOff", this.alphaCutOff),
                                    this._reflectionTexture && t.ReflectionTextureEnabled && (c.updateFloat2("vReflectionInfos", this._reflectionTexture.level, this.roughness),
                                    c.updateMatrix("reflectionMatrix", this._reflectionTexture.getReflectionTextureMatrix()),
                                    this._reflectionTexture.boundingBoxSize)) {
                                        var u = this._reflectionTexture;
                                        c.updateVector3("vReflectionPosition", u.boundingBoxPosition),
                                        c.updateVector3("vReflectionSize", u.boundingBoxSize)
                                    }
                                    if (this._emissiveTexture && t.EmissiveTextureEnabled && (c.updateFloat2("vEmissiveInfos", this._emissiveTexture.coordinatesIndex, this._emissiveTexture.level),
                                    Mr.BindTextureMatrix(this._emissiveTexture, c, "emissive")),
                                    this._lightmapTexture && t.LightmapTextureEnabled && (c.updateFloat2("vLightmapInfos", this._lightmapTexture.coordinatesIndex, this._lightmapTexture.level),
                                    Mr.BindTextureMatrix(this._lightmapTexture, c, "lightmap")),
                                    this._specularTexture && t.SpecularTextureEnabled && (c.updateFloat2("vSpecularInfos", this._specularTexture.coordinatesIndex, this._specularTexture.level),
                                    Mr.BindTextureMatrix(this._specularTexture, c, "specular")),
                                    this._bumpTexture && o.getEngine().getCaps().standardDerivatives && t.BumpTextureEnabled && (c.updateFloat3("vBumpInfos", this._bumpTexture.coordinatesIndex, 1 / this._bumpTexture.level, this.parallaxScaleBias),
                                    Mr.BindTextureMatrix(this._bumpTexture, c, "bump"),
                                    o._mirroredCameraPosition ? c.updateFloat2("vTangentSpaceParams", this._invertNormalMapX ? 1 : -1, this._invertNormalMapY ? 1 : -1) : c.updateFloat2("vTangentSpaceParams", this._invertNormalMapX ? -1 : 1, this._invertNormalMapY ? -1 : 1)),
                                    this._refractionTexture && t.RefractionTextureEnabled) {
                                        var h = 1;
                                        this._refractionTexture.isCube || (c.updateMatrix("refractionMatrix", this._refractionTexture.getReflectionTextureMatrix()),
                                        this._refractionTexture.depth && (h = this._refractionTexture.depth)),
                                        c.updateFloat4("vRefractionInfos", this._refractionTexture.level, this.indexOfRefraction, h, this.invertRefractionY ? -1 : 1),
                                        this._refractionTexture.boundingBoxSize && (u = this._refractionTexture,
                                        c.updateVector3("vRefractionPosition", u.boundingBoxPosition),
                                        c.updateVector3("vRefractionSize", u.boundingBoxSize))
                                    }
                                }
                                this.pointsCloud && c.updateFloat("pointSize", this.pointSize),
                                a.SPECULARTERM && c.updateColor4("vSpecularColor", this.specularColor, this.specularPower),
                                c.updateColor3("vEmissiveColor", t.EmissiveTextureEnabled ? this.emissiveColor : D.BlackReadOnly),
                                c.updateColor4("vDiffuseColor", this.diffuseColor, this.alpha),
                                o.ambientColor.multiplyToRef(this.ambientColor, this._globalAmbientColor),
                                c.updateColor3("vAmbientColor", this._globalAmbientColor)
                            }
                            o.texturesEnabled && (this._diffuseTexture && t.DiffuseTextureEnabled && s.setTexture("diffuseSampler", this._diffuseTexture),
                            this._ambientTexture && t.AmbientTextureEnabled && s.setTexture("ambientSampler", this._ambientTexture),
                            this._opacityTexture && t.OpacityTextureEnabled && s.setTexture("opacitySampler", this._opacityTexture),
                            this._reflectionTexture && t.ReflectionTextureEnabled && (this._reflectionTexture.isCube ? s.setTexture("reflectionCubeSampler", this._reflectionTexture) : s.setTexture("reflection2DSampler", this._reflectionTexture)),
                            this._emissiveTexture && t.EmissiveTextureEnabled && s.setTexture("emissiveSampler", this._emissiveTexture),
                            this._lightmapTexture && t.LightmapTextureEnabled && s.setTexture("lightmapSampler", this._lightmapTexture),
                            this._specularTexture && t.SpecularTextureEnabled && s.setTexture("specularSampler", this._specularTexture),
                            this._bumpTexture && o.getEngine().getCaps().standardDerivatives && t.BumpTextureEnabled && s.setTexture("bumpSampler", this._bumpTexture),
                            this._refractionTexture && t.RefractionTextureEnabled && (this._refractionTexture.isCube ? s.setTexture("refractionCubeSampler", this._refractionTexture) : s.setTexture("refraction2DSampler", this._refractionTexture))),
                            this.getScene().useOrderIndependentTransparency && this.needAlphaBlendingForMesh(i) && this.getScene().depthPeelingRenderer.bind(s),
                            this._eventInfo.subMesh = n,
                            this._callbackPluginEventBindForSubMesh(this._eventInfo),
                            Mr.BindClipPlane(s, o),
                            this.bindEyePosition(s)
                        } else
                            o.getEngine()._features.needToAlwaysBindUniformBuffers && (this._needToBindSceneUbo = !0);
                        !l && this.isFrozen || (o.lightsEnabled && !this._disableLighting && Mr.BindLights(o, i, s, a, this._maxSimultaneousLights),
                        (o.fogEnabled && i.applyFog && o.fogMode !== mn.FOGMODE_NONE || this._reflectionTexture || this._refractionTexture || i.receiveShadows) && this.bindView(s),
                        Mr.BindFogParameters(o, i, s),
                        a.NUM_MORPH_INFLUENCERS && Mr.BindMorphTargetParameters(i, s),
                        a.BAKED_VERTEX_ANIMATION_TEXTURE && (null === (r = i.bakedVertexAnimationManager) || void 0 === r || r.bind(s, a.INSTANCES)),
                        this.useLogarithmicDepth && Mr.BindLogDepth(a, s, o),
                        this._imageProcessingConfiguration && !this._imageProcessingConfiguration.applyByPostProcess && this._imageProcessingConfiguration.bind(this._activeEffect)),
                        this._afterBind(i, this._activeEffect),
                        c.update()
                    }
                }
            }
            ,
            t.prototype.getAnimatables = function() {
                var t = e.prototype.getAnimatables.call(this);
                return this._diffuseTexture && this._diffuseTexture.animations && this._diffuseTexture.animations.length > 0 && t.push(this._diffuseTexture),
                this._ambientTexture && this._ambientTexture.animations && this._ambientTexture.animations.length > 0 && t.push(this._ambientTexture),
                this._opacityTexture && this._opacityTexture.animations && this._opacityTexture.animations.length > 0 && t.push(this._opacityTexture),
                this._reflectionTexture && this._reflectionTexture.animations && this._reflectionTexture.animations.length > 0 && t.push(this._reflectionTexture),
                this._emissiveTexture && this._emissiveTexture.animations && this._emissiveTexture.animations.length > 0 && t.push(this._emissiveTexture),
                this._specularTexture && this._specularTexture.animations && this._specularTexture.animations.length > 0 && t.push(this._specularTexture),
                this._bumpTexture && this._bumpTexture.animations && this._bumpTexture.animations.length > 0 && t.push(this._bumpTexture),
                this._lightmapTexture && this._lightmapTexture.animations && this._lightmapTexture.animations.length > 0 && t.push(this._lightmapTexture),
                this._refractionTexture && this._refractionTexture.animations && this._refractionTexture.animations.length > 0 && t.push(this._refractionTexture),
                t
            }
            ,
            t.prototype.getActiveTextures = function() {
                var t = e.prototype.getActiveTextures.call(this);
                return this._diffuseTexture && t.push(this._diffuseTexture),
                this._ambientTexture && t.push(this._ambientTexture),
                this._opacityTexture && t.push(this._opacityTexture),
                this._reflectionTexture && t.push(this._reflectionTexture),
                this._emissiveTexture && t.push(this._emissiveTexture),
                this._specularTexture && t.push(this._specularTexture),
                this._bumpTexture && t.push(this._bumpTexture),
                this._lightmapTexture && t.push(this._lightmapTexture),
                this._refractionTexture && t.push(this._refractionTexture),
                t
            }
            ,
            t.prototype.hasTexture = function(t) {
                return !!e.prototype.hasTexture.call(this, t) || this._diffuseTexture === t || this._ambientTexture === t || this._opacityTexture === t || this._reflectionTexture === t || this._emissiveTexture === t || this._specularTexture === t || this._bumpTexture === t || this._lightmapTexture === t || this._refractionTexture === t
            }
            ,
            t.prototype.dispose = function(t, i) {
                var n, r, o, a, s, l, c, u, h;
                i && (null === (n = this._diffuseTexture) || void 0 === n || n.dispose(),
                null === (r = this._ambientTexture) || void 0 === r || r.dispose(),
                null === (o = this._opacityTexture) || void 0 === o || o.dispose(),
                null === (a = this._reflectionTexture) || void 0 === a || a.dispose(),
                null === (s = this._emissiveTexture) || void 0 === s || s.dispose(),
                null === (l = this._specularTexture) || void 0 === l || l.dispose(),
                null === (c = this._bumpTexture) || void 0 === c || c.dispose(),
                null === (u = this._lightmapTexture) || void 0 === u || u.dispose(),
                null === (h = this._refractionTexture) || void 0 === h || h.dispose()),
                this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.prototype.clone = function(e) {
                var i = this
                  , n = Ge.Clone((function() {
                    return new t(e,i.getScene())
                }
                ), this);
                return n.name = e,
                n.id = e,
                this.stencil.copyTo(n.stencil),
                n
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return e.stencil && r.stencil.parse(e.stencil, i, n),
                r
            }
            ,
            Object.defineProperty(t, "DiffuseTextureEnabled", {
                get: function() {
                    return vs.DiffuseTextureEnabled
                },
                set: function(e) {
                    vs.DiffuseTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "DetailTextureEnabled", {
                get: function() {
                    return vs.DetailTextureEnabled
                },
                set: function(e) {
                    vs.DetailTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "AmbientTextureEnabled", {
                get: function() {
                    return vs.AmbientTextureEnabled
                },
                set: function(e) {
                    vs.AmbientTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "OpacityTextureEnabled", {
                get: function() {
                    return vs.OpacityTextureEnabled
                },
                set: function(e) {
                    vs.OpacityTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "ReflectionTextureEnabled", {
                get: function() {
                    return vs.ReflectionTextureEnabled
                },
                set: function(e) {
                    vs.ReflectionTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "EmissiveTextureEnabled", {
                get: function() {
                    return vs.EmissiveTextureEnabled
                },
                set: function(e) {
                    vs.EmissiveTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "SpecularTextureEnabled", {
                get: function() {
                    return vs.SpecularTextureEnabled
                },
                set: function(e) {
                    vs.SpecularTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "BumpTextureEnabled", {
                get: function() {
                    return vs.BumpTextureEnabled
                },
                set: function(e) {
                    vs.BumpTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "LightmapTextureEnabled", {
                get: function() {
                    return vs.LightmapTextureEnabled
                },
                set: function(e) {
                    vs.LightmapTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "RefractionTextureEnabled", {
                get: function() {
                    return vs.RefractionTextureEnabled
                },
                set: function(e) {
                    vs.RefractionTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "ColorGradingTextureEnabled", {
                get: function() {
                    return vs.ColorGradingTextureEnabled
                },
                set: function(e) {
                    vs.ColorGradingTextureEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "FresnelEnabled", {
                get: function() {
                    return vs.FresnelEnabled
                },
                set: function(e) {
                    vs.FresnelEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            k([Pe("diffuseTexture")], t.prototype, "_diffuseTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "diffuseTexture", void 0),
            k([Pe("ambientTexture")], t.prototype, "_ambientTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "ambientTexture", void 0),
            k([Pe("opacityTexture")], t.prototype, "_opacityTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "opacityTexture", void 0),
            k([Pe("reflectionTexture")], t.prototype, "_reflectionTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionTexture", void 0),
            k([Pe("emissiveTexture")], t.prototype, "_emissiveTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveTexture", void 0),
            k([Pe("specularTexture")], t.prototype, "_specularTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "specularTexture", void 0),
            k([Pe("bumpTexture")], t.prototype, "_bumpTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "bumpTexture", void 0),
            k([Pe("lightmapTexture")], t.prototype, "_lightmapTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "lightmapTexture", void 0),
            k([Pe("refractionTexture")], t.prototype, "_refractionTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "refractionTexture", void 0),
            k([Me("ambient")], t.prototype, "ambientColor", void 0),
            k([Me("diffuse")], t.prototype, "diffuseColor", void 0),
            k([Me("specular")], t.prototype, "specularColor", void 0),
            k([Me("emissive")], t.prototype, "emissiveColor", void 0),
            k([Ce()], t.prototype, "specularPower", void 0),
            k([Ce("useAlphaFromDiffuseTexture")], t.prototype, "_useAlphaFromDiffuseTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "useAlphaFromDiffuseTexture", void 0),
            k([Ce("useEmissiveAsIllumination")], t.prototype, "_useEmissiveAsIllumination", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useEmissiveAsIllumination", void 0),
            k([Ce("linkEmissiveWithDiffuse")], t.prototype, "_linkEmissiveWithDiffuse", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "linkEmissiveWithDiffuse", void 0),
            k([Ce("useSpecularOverAlpha")], t.prototype, "_useSpecularOverAlpha", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useSpecularOverAlpha", void 0),
            k([Ce("useReflectionOverAlpha")], t.prototype, "_useReflectionOverAlpha", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useReflectionOverAlpha", void 0),
            k([Ce("disableLighting")], t.prototype, "_disableLighting", void 0),
            k([Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "disableLighting", void 0),
            k([Ce("useObjectSpaceNormalMap")], t.prototype, "_useObjectSpaceNormalMap", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useObjectSpaceNormalMap", void 0),
            k([Ce("useParallax")], t.prototype, "_useParallax", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useParallax", void 0),
            k([Ce("useParallaxOcclusion")], t.prototype, "_useParallaxOcclusion", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useParallaxOcclusion", void 0),
            k([Ce()], t.prototype, "parallaxScaleBias", void 0),
            k([Ce("roughness")], t.prototype, "_roughness", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "roughness", void 0),
            k([Ce()], t.prototype, "indexOfRefraction", void 0),
            k([Ce()], t.prototype, "invertRefractionY", void 0),
            k([Ce()], t.prototype, "alphaCutOff", void 0),
            k([Ce("useLightmapAsShadowmap")], t.prototype, "_useLightmapAsShadowmap", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useLightmapAsShadowmap", void 0),
            k([Ie("diffuseFresnelParameters")], t.prototype, "_diffuseFresnelParameters", void 0),
            k([Re("_markAllSubMeshesAsFresnelDirty")], t.prototype, "diffuseFresnelParameters", void 0),
            k([Ie("opacityFresnelParameters")], t.prototype, "_opacityFresnelParameters", void 0),
            k([Re("_markAllSubMeshesAsFresnelAndMiscDirty")], t.prototype, "opacityFresnelParameters", void 0),
            k([Ie("reflectionFresnelParameters")], t.prototype, "_reflectionFresnelParameters", void 0),
            k([Re("_markAllSubMeshesAsFresnelDirty")], t.prototype, "reflectionFresnelParameters", void 0),
            k([Ie("refractionFresnelParameters")], t.prototype, "_refractionFresnelParameters", void 0),
            k([Re("_markAllSubMeshesAsFresnelDirty")], t.prototype, "refractionFresnelParameters", void 0),
            k([Ie("emissiveFresnelParameters")], t.prototype, "_emissiveFresnelParameters", void 0),
            k([Re("_markAllSubMeshesAsFresnelDirty")], t.prototype, "emissiveFresnelParameters", void 0),
            k([Ce("useReflectionFresnelFromSpecular")], t.prototype, "_useReflectionFresnelFromSpecular", void 0),
            k([Re("_markAllSubMeshesAsFresnelDirty")], t.prototype, "useReflectionFresnelFromSpecular", void 0),
            k([Ce("useGlossinessFromSpecularMapAlpha")], t.prototype, "_useGlossinessFromSpecularMapAlpha", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useGlossinessFromSpecularMapAlpha", void 0),
            k([Ce("maxSimultaneousLights")], t.prototype, "_maxSimultaneousLights", void 0),
            k([Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "maxSimultaneousLights", void 0),
            k([Ce("invertNormalMapX")], t.prototype, "_invertNormalMapX", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapX", void 0),
            k([Ce("invertNormalMapY")], t.prototype, "_invertNormalMapY", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapY", void 0),
            k([Ce("twoSidedLighting")], t.prototype, "_twoSidedLighting", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "twoSidedLighting", void 0),
            k([Ce()], t.prototype, "useLogarithmicDepth", null),
            t
        }(gs);
        y("BABYLON.StandardMaterial", Os),
        mn.DefaultMaterialFactory = function(e) {
            return new Os("default material",e)
        }
        ,
        Ht.prototype.createDynamicTexture = function(e, t, i, n) {
            var r = new Lt(this,At.Dynamic);
            return r.baseWidth = e,
            r.baseHeight = t,
            i && (e = this.needPOTTextures ? Ht.GetExponentOfTwo(e, this._caps.maxTextureSize) : e,
            t = this.needPOTTextures ? Ht.GetExponentOfTwo(t, this._caps.maxTextureSize) : t),
            r.width = e,
            r.height = t,
            r.isReady = !1,
            r.generateMipMaps = i,
            r.samplingMode = n,
            this.updateTextureSamplingMode(n, r),
            this._internalTexturesCache.push(r),
            r
        }
        ,
        Ht.prototype.updateDynamicTexture = function(e, t, i, n, r, o, a) {
            if (void 0 === n && (n = !1),
            void 0 === o && (o = !1),
            void 0 === a && (a = !1),
            e) {
                var s = this._gl
                  , l = s.TEXTURE_2D
                  , c = this._bindTextureDirectly(l, e, !0, o);
                this._unpackFlipY(void 0 === i ? e.invertY : i),
                n && s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 1);
                var u = this._getWebGLTextureType(e.type)
                  , h = this._getInternalFormat(r || e.format)
                  , d = this._getRGBABufferInternalSizedFormat(e.type, h);
                s.texImage2D(l, 0, d, h, u, t),
                e.generateMipMaps && s.generateMipmap(l),
                c || this._bindTextureDirectly(l, null),
                n && s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL, 0),
                e.isReady = !0
            }
        }
        ;
        var Ds = function(e) {
            function t(t, i, n, r, o, s, l) {
                void 0 === n && (n = null),
                void 0 === r && (r = !1),
                void 0 === o && (o = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === s && (s = a.TEXTUREFORMAT_RGBA);
                var c = e.call(this, null, n, !r, l, o, void 0, void 0, void 0, void 0, s) || this;
                c.name = t,
                c.wrapU = io.CLAMP_ADDRESSMODE,
                c.wrapV = io.CLAMP_ADDRESSMODE,
                c._generateMipMaps = r;
                var u = c._getEngine();
                if (!u)
                    return c;
                i.getContext ? (c._canvas = i,
                c._texture = u.createDynamicTexture(i.width, i.height, r, o)) : (c._canvas = u.createCanvas(1, 1),
                i.width || 0 === i.width ? c._texture = u.createDynamicTexture(i.width, i.height, r, o) : c._texture = u.createDynamicTexture(i, i, r, o));
                var h = c.getSize();
                return c._canvas.width !== h.width && (c._canvas.width = h.width),
                c._canvas.height !== h.height && (c._canvas.height = h.height),
                c._context = c._canvas.getContext("2d"),
                c
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DynamicTexture"
            }
            ,
            Object.defineProperty(t.prototype, "canRescale", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._recreate = function(e) {
                this._canvas.width = e.width,
                this._canvas.height = e.height,
                this.releaseInternalTexture(),
                this._texture = this._getEngine().createDynamicTexture(e.width, e.height, this._generateMipMaps, this.samplingMode)
            }
            ,
            t.prototype.scale = function(e) {
                var t = this.getSize();
                t.width *= e,
                t.height *= e,
                this._recreate(t)
            }
            ,
            t.prototype.scaleTo = function(e, t) {
                var i = this.getSize();
                i.width = e,
                i.height = t,
                this._recreate(i)
            }
            ,
            t.prototype.getContext = function() {
                return this._context
            }
            ,
            t.prototype.clear = function() {
                var e = this.getSize();
                this._context.fillRect(0, 0, e.width, e.height)
            }
            ,
            t.prototype.update = function(e, t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                this._getEngine().updateDynamicTexture(this._texture, this._canvas, void 0 === e || e, t, this._format || void 0, void 0, i)
            }
            ,
            t.prototype.drawText = function(e, t, i, n, r, o, a, s) {
                void 0 === s && (s = !0);
                var l = this.getSize();
                if (o && (this._context.fillStyle = o,
                this._context.fillRect(0, 0, l.width, l.height)),
                this._context.font = n,
                null == t) {
                    var c = this._context.measureText(e);
                    t = (l.width - c.width) / 2
                }
                if (null == i) {
                    var u = parseInt(n.replace(/\D/g, ""));
                    i = l.height / 2 + u / 3.65
                }
                this._context.fillStyle = r || "",
                this._context.fillText(e, t, i),
                s && this.update(a)
            }
            ,
            t.prototype.clone = function() {
                var e = this.getScene();
                if (!e)
                    return this;
                var i = this.getSize()
                  , n = new t(this.name,i,e,this._generateMipMaps);
                return n.hasAlpha = this.hasAlpha,
                n.level = this.level,
                n.wrapU = this.wrapU,
                n.wrapV = this.wrapV,
                n
            }
            ,
            t.prototype.serialize = function() {
                var i = this.getScene();
                i && !i.isReady() && K.Warn("The scene must be ready before serializing the dynamic texture");
                var n = e.prototype.serialize.call(this);
                return t._IsCanvasElement(this._canvas) && (n.base64String = this._canvas.toDataURL()),
                n.invertY = this._invertY,
                n.samplingMode = this.samplingMode,
                n
            }
            ,
            t._IsCanvasElement = function(e) {
                return void 0 !== e.toDataURL
            }
            ,
            t.prototype._rebuild = function() {
                this.update()
            }
            ,
            t
        }(io);
        Pt.ShadersStore.imageProcessingPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#include<imageProcessingDeclaration>\n#include<helperFunctions>\n#include<imageProcessingFunctions>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 result=texture2D(textureSampler,vUV);\n#ifdef IMAGEPROCESSING\n#ifndef FROMLINEARSPACE\nresult.rgb=toLinearSpace(result.rgb);\n#endif\nresult=applyImageProcessing(result);\n#else\n#ifdef FROMLINEARSPACE\nresult=applyImageProcessing(result);\n#endif\n#endif\ngl_FragColor=result;\n}";
        var Ns, Ls, Fs = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === n && (n = null),
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT);
                var u = e.call(this, t, "imageProcessing", [], [], i, n, r, o, s, null, l, "postprocess", null, !0) || this;
                return u._fromLinearSpace = !0,
                u._defines = {
                    IMAGEPROCESSING: !1,
                    VIGNETTE: !1,
                    VIGNETTEBLENDMODEMULTIPLY: !1,
                    VIGNETTEBLENDMODEOPAQUE: !1,
                    TONEMAPPING: !1,
                    TONEMAPPING_ACES: !1,
                    CONTRAST: !1,
                    COLORCURVES: !1,
                    COLORGRADING: !1,
                    COLORGRADING3D: !1,
                    FROMLINEARSPACE: !1,
                    SAMPLER3DGREENDEPTH: !1,
                    SAMPLER3DBGRMAP: !1,
                    IMAGEPROCESSINGPOSTPROCESS: !1,
                    EXPOSURE: !1,
                    SKIPFINALCOLORCLAMP: !1
                },
                c ? (c.applyByPostProcess = !0,
                u._attachImageProcessingConfiguration(c, !0),
                u._updateParameters()) : (u._attachImageProcessingConfiguration(null, !0),
                u.imageProcessingConfiguration.applyByPostProcess = !0),
                u.onApply = function(e) {
                    u.imageProcessingConfiguration.bind(e, u.aspectRatio)
                }
                ,
                u
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    e.applyByPostProcess = !0,
                    this._attachImageProcessingConfiguration(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._attachImageProcessingConfiguration = function(e, t) {
                var i = this;
                if (void 0 === t && (t = !1),
                e !== this._imageProcessingConfiguration) {
                    if (this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                    e)
                        this._imageProcessingConfiguration = e;
                    else {
                        var n = null
                          , r = this.getEngine()
                          , o = this.getCamera();
                        if (o)
                            n = o.getScene();
                        else if (r && r.scenes) {
                            var a = r.scenes;
                            n = a[a.length - 1]
                        } else
                            n = E.LastCreatedScene;
                        this._imageProcessingConfiguration = n ? n.imageProcessingConfiguration : new Ri
                    }
                    this._imageProcessingConfiguration && (this._imageProcessingObserver = this._imageProcessingConfiguration.onUpdateParameters.add((function() {
                        i._updateParameters()
                    }
                    ))),
                    t || this._updateParameters()
                }
            }
            ,
            Object.defineProperty(t.prototype, "isSupported", {
                get: function() {
                    var e = this.getEffect();
                    return !e || e.isSupported
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "colorCurves", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurves
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurves = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "colorCurvesEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurvesEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurvesEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "colorGradingTexture", {
                get: function() {
                    return this.imageProcessingConfiguration.colorGradingTexture
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "colorGradingEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorGradingEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "exposure", {
                get: function() {
                    return this.imageProcessingConfiguration.exposure
                },
                set: function(e) {
                    this.imageProcessingConfiguration.exposure = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "toneMappingEnabled", {
                get: function() {
                    return this._imageProcessingConfiguration.toneMappingEnabled
                },
                set: function(e) {
                    this._imageProcessingConfiguration.toneMappingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "toneMappingType", {
                get: function() {
                    return this._imageProcessingConfiguration.toneMappingType
                },
                set: function(e) {
                    this._imageProcessingConfiguration.toneMappingType = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "contrast", {
                get: function() {
                    return this.imageProcessingConfiguration.contrast
                },
                set: function(e) {
                    this.imageProcessingConfiguration.contrast = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteStretch", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteStretch
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteStretch = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteCentreX", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteCentreX
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteCentreX = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteCentreY", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteCentreY
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteCentreY = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteWeight", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteWeight
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteWeight = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteColor", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteColor
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteColor = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteCameraFov", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteCameraFov
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteCameraFov = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteBlendMode", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteBlendMode
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteBlendMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vignetteEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.vignetteEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.vignetteEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fromLinearSpace", {
                get: function() {
                    return this._fromLinearSpace
                },
                set: function(e) {
                    this._fromLinearSpace !== e && (this._fromLinearSpace = e,
                    this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "ImageProcessingPostProcess"
            }
            ,
            t.prototype._updateParameters = function() {
                this._defines.FROMLINEARSPACE = this._fromLinearSpace,
                this.imageProcessingConfiguration.prepareDefines(this._defines, !0);
                var e = "";
                for (var t in this._defines)
                    this._defines[t] && (e += "#define ".concat(t, ";\r\n"));
                var i = ["textureSampler"]
                  , n = ["scale"];
                Ri && (Ri.PrepareSamplers(i, this._defines),
                Ri.PrepareUniforms(n, this._defines)),
                this.updateEffect(e, n, i)
            }
            ,
            t.prototype.dispose = function(t) {
                e.prototype.dispose.call(this, t),
                this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingConfiguration && (this.imageProcessingConfiguration.applyByPostProcess = !1)
            }
            ,
            k([Ce()], t.prototype, "_fromLinearSpace", void 0),
            t
        }(Ba), ws = function() {
            function e(e, t, i, n, r) {
                this.getWidth = e,
                this.getHeight = t,
                this.layer = i,
                this.layerType = n,
                this.createRenderTargetTextureProvider = r
            }
            return Object.defineProperty(e.prototype, "isFixedFoveationSupported", {
                get: function() {
                    return "XRWebGLLayer" == this.layerType && "number" == typeof this.layer.fixedFoveation
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fixedFoveation", {
                get: function() {
                    return this.isFixedFoveationSupported ? this.layer.fixedFoveation : null
                },
                set: function(e) {
                    if (this.isFixedFoveationSupported) {
                        var t = Math.max(0, Math.min(1, e || 0));
                        this.layer.fixedFoveation = t
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), Bs = function() {
            function e(e, t) {
                this._scene = e,
                this.layerWrapper = t,
                this._renderTargetTextures = new Array,
                this._engine = e.getEngine()
            }
            return e.prototype._createInternalTexture = function(e, t) {
                var i = new Lt(this._engine,At.Unknown,!0);
                return i.width = e.width,
                i.height = e.height,
                i._hardwareTexture = new kt(t,this._engine._gl),
                i.isReady = !0,
                i
            }
            ,
            e.prototype._createRenderTargetTexture = function(e, t, i, n, r, o) {
                if (!this._engine)
                    throw new Error("Engine is disposed");
                var a = {
                    width: e,
                    height: t
                }
                  , s = o ? new rs(this._scene,a) : new ns("XR renderTargetTexture",a,this._scene)
                  , l = s.renderTarget;
                if (!i && n || (l._framebuffer = i),
                n)
                    if (o)
                        l._colorTextureArray = n;
                    else {
                        var c = this._createInternalTexture(a, n);
                        l.setTexture(c, 0),
                        s._texture = c
                    }
                return r && (o ? l._depthStencilTextureArray = r : l._depthStencilTexture = this._createInternalTexture(a, r)),
                s.disableRescaling(),
                "undefined" != typeof XRWebGLBinding && (s.skipInitialClear = !0),
                this._renderTargetTextures.push(s),
                s
            }
            ,
            e.prototype._destroyRenderTargetTexture = function(e) {
                this._renderTargetTextures.splice(this._renderTargetTextures.indexOf(e), 1),
                e.dispose()
            }
            ,
            e.prototype.getFramebufferDimensions = function() {
                return this._framebufferDimensions
            }
            ,
            e.prototype.dispose = function() {
                this._renderTargetTextures.forEach((function(e) {
                    return e.dispose()
                }
                )),
                this._renderTargetTextures.length = 0
            }
            ,
            e
        }(), Us = function(e) {
            function t(t) {
                var i = e.call(this, (function() {
                    return t.framebufferWidth
                }
                ), (function() {
                    return t.framebufferHeight
                }
                ), t, "XRWebGLLayer", (function(e) {
                    return new Vs(e.scene,i)
                }
                )) || this;
                return i.layer = t,
                i
            }
            return U(t, e),
            t
        }(ws), Vs = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.layerWrapper = i,
                n._layer = i.layer,
                n._framebufferDimensions = {
                    framebufferWidth: n._layer.framebufferWidth,
                    framebufferHeight: n._layer.framebufferHeight
                },
                n
            }
            return U(t, e),
            t.prototype.trySetViewportForView = function(e, t) {
                var i = this._layer.getViewport(t)
                  , n = this._framebufferDimensions.framebufferWidth
                  , r = this._framebufferDimensions.framebufferHeight;
                return e.x = i.x / n,
                e.y = i.y / r,
                e.width = i.width / n,
                e.height = i.height / r,
                !0
            }
            ,
            t.prototype.getRenderTargetTextureForEye = function(e) {
                var t = this._layer.framebufferWidth
                  , i = this._layer.framebufferHeight
                  , n = this._layer.framebuffer;
                return this._rtt && t === this._framebufferDimensions.framebufferWidth && i === this._framebufferDimensions.framebufferHeight && n === this._framebuffer || (this._rtt = this._createRenderTargetTexture(t, i, n),
                this._framebufferDimensions.framebufferWidth = t,
                this._framebufferDimensions.framebufferHeight = i,
                this._framebuffer = n),
                this._rtt
            }
            ,
            t.prototype.getRenderTargetTextureForView = function(e) {
                return this.getRenderTargetTextureForEye(e.eye)
            }
            ,
            t
        }(Bs), ks = function() {
            function e() {}
            return e.GetDefaults = function(t) {
                var i = new e;
                return i.canvasOptions = {
                    antialias: !0,
                    depth: !0,
                    stencil: !t || t.isStencilEnable,
                    alpha: !0,
                    multiview: !1,
                    framebufferScaleFactor: 1
                },
                i.newCanvasCssStyle = "position:absolute; bottom:0px;right:0px;z-index:10;width:90%;height:100%;background-color: #000000;",
                i
            }
            ,
            e
        }(), Gs = function() {
            function e(e, t) {
                void 0 === t && (t = ks.GetDefaults());
                var i = this;
                if (this._options = t,
                this._canvas = null,
                this._engine = null,
                this.xrLayer = null,
                this._xrLayerWrapper = null,
                this.onXRLayerInitObservable = new h,
                this._engine = e.scene.getEngine(),
                this._engine.onDisposeObservable.addOnce((function() {
                    i._engine = null
                }
                )),
                t.canvasElement)
                    this._setManagedOutputCanvas(t.canvasElement);
                else {
                    var n = document.createElement("canvas");
                    n.style.cssText = this._options.newCanvasCssStyle || "position:absolute; bottom:0px;right:0px;",
                    this._setManagedOutputCanvas(n)
                }
                e.onXRSessionInit.add((function() {
                    i._addCanvas()
                }
                )),
                e.onXRSessionEnded.add((function() {
                    i._removeCanvas()
                }
                ))
            }
            return e.prototype.dispose = function() {
                this._removeCanvas(),
                this._setManagedOutputCanvas(null)
            }
            ,
            e.prototype.initializeXRLayerAsync = function(e) {
                return G(this, void 0, void 0, (function() {
                    var t, i = this;
                    return z(this, (function(n) {
                        return t = function() {
                            return i.xrLayer = new XRWebGLLayer(e,i.canvasContext,i._options.canvasOptions),
                            i._xrLayerWrapper = new Us(i.xrLayer),
                            i.onXRLayerInitObservable.notifyObservers(i.xrLayer),
                            i.xrLayer
                        }
                        ,
                        this.canvasContext.makeXRCompatible ? [2, this.canvasContext.makeXRCompatible().then((function() {}
                        ), (function() {
                            gi.Warn("Error executing makeXRCompatible. This does not mean that the session will work incorrectly.")
                        }
                        )).then((function() {
                            return t()
                        }
                        ))] : [2, Promise.resolve(t())]
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype._addCanvas = function() {
                var e = this;
                this._canvas && this._engine && this._canvas !== this._engine.getRenderingCanvas() && document.body.appendChild(this._canvas),
                this.xrLayer ? this._setCanvasSize(!0) : this.onXRLayerInitObservable.addOnce((function() {
                    e._setCanvasSize(!0)
                }
                ))
            }
            ,
            e.prototype._removeCanvas = function() {
                this._canvas && this._engine && document.body.contains(this._canvas) && this._canvas !== this._engine.getRenderingCanvas() && document.body.removeChild(this._canvas),
                this._setCanvasSize(!1)
            }
            ,
            e.prototype._setCanvasSize = function(e, t) {
                void 0 === e && (e = !0),
                void 0 === t && (t = this._xrLayerWrapper),
                this._canvas && this._engine && (e ? t && (this._canvas !== this._engine.getRenderingCanvas() ? (this._canvas.style.width = t.getWidth() + "px",
                this._canvas.style.height = t.getHeight() + "px") : this._engine.setSize(t.getWidth(), t.getHeight())) : this._originalCanvasSize && (this._canvas !== this._engine.getRenderingCanvas() ? (this._canvas.style.width = this._originalCanvasSize.width + "px",
                this._canvas.style.height = this._originalCanvasSize.height + "px") : this._engine.setSize(this._originalCanvasSize.width, this._originalCanvasSize.height)))
            }
            ,
            e.prototype._setManagedOutputCanvas = function(e) {
                this._removeCanvas(),
                e ? (this._originalCanvasSize = {
                    width: e.offsetWidth,
                    height: e.offsetHeight
                },
                this._canvas = e,
                this.canvasContext = this._canvas.getContext("webgl2"),
                this.canvasContext || (this.canvasContext = this._canvas.getContext("webgl"))) : (this._canvas = null,
                this.canvasContext = null)
            }
            ,
            e
        }(), zs = function(e) {
            function t(t) {
                var i = e.call(this, (function() {
                    return t.framebufferWidth
                }
                ), (function() {
                    return t.framebufferHeight
                }
                ), t, "XRWebGLLayer", (function(e) {
                    return new Ws(e,i)
                }
                )) || this;
                return i.layer = t,
                i
            }
            return U(t, e),
            t
        }(ws), Ws = function(e) {
            function t(t, i) {
                var n = e.call(this, t.scene, i) || this;
                return n.layerWrapper = i,
                n._nativeRTTProvider = navigator.xr.getNativeRenderTargetProvider(t.session, n._createRenderTargetTexture.bind(n), n._destroyRenderTargetTexture.bind(n)),
                n._nativeLayer = i.layer,
                n
            }
            return U(t, e),
            t.prototype.trySetViewportForView = function(e) {
                return e.x = 0,
                e.y = 0,
                e.width = 1,
                e.height = 1,
                !0
            }
            ,
            t.prototype.getRenderTargetTextureForEye = function(e) {
                return this._nativeRTTProvider.getRenderTargetForEye(e)
            }
            ,
            t.prototype.getRenderTargetTextureForView = function(e) {
                return this._nativeRTTProvider.getRenderTargetForEye(e.eye)
            }
            ,
            t.prototype.getFramebufferDimensions = function() {
                return {
                    framebufferWidth: this._nativeLayer.framebufferWidth,
                    framebufferHeight: this._nativeLayer.framebufferHeight
                }
            }
            ,
            t
        }(Bs), Hs = function() {
            function e(e) {
                this._nativeRenderTarget = navigator.xr.getWebXRRenderTarget(e.scene.getEngine())
            }
            return e.prototype.initializeXRLayerAsync = function(e) {
                return G(this, void 0, void 0, (function() {
                    return z(this, (function(t) {
                        switch (t.label) {
                        case 0:
                            return [4, this._nativeRenderTarget.initializeXRLayerAsync(e)];
                        case 1:
                            return t.sent(),
                            this.xrLayer = this._nativeRenderTarget.xrLayer,
                            [2, this.xrLayer]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e
        }(), Xs = function() {
            function e(e) {
                var t = this;
                this.scene = e,
                this.currentTimestamp = -1,
                this.defaultHeightCompensation = 1.7,
                this.onXRFrameObservable = new h,
                this.onXRReferenceSpaceChanged = new h,
                this.onXRSessionEnded = new h,
                this.onXRSessionInit = new h,
                this.inXRFrameLoop = !1,
                this.inXRSession = !1,
                this._engine = e.getEngine(),
                this._onEngineDisposedObserver = this._engine.onDisposeObservable.addOnce((function() {
                    t._engine = null
                }
                )),
                e.onDisposeObservable.addOnce((function() {
                    t.dispose()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "referenceSpace", {
                get: function() {
                    return this._referenceSpace
                },
                set: function(e) {
                    this._referenceSpace = e,
                    this.onXRReferenceSpaceChanged.notifyObservers(this._referenceSpace)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "sessionMode", {
                get: function() {
                    return this._sessionMode
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                var e;
                this.inXRSession && this.exitXRAsync(),
                this.onXRFrameObservable.clear(),
                this.onXRSessionEnded.clear(),
                this.onXRReferenceSpaceChanged.clear(),
                this.onXRSessionInit.clear(),
                null === (e = this._engine) || void 0 === e || e.onDisposeObservable.remove(this._onEngineDisposedObserver),
                this._engine = null
            }
            ,
            e.prototype.exitXRAsync = function() {
                return this.session && this.inXRSession ? (this.inXRSession = !1,
                this.session.end().catch((function() {
                    K.Warn("Could not end XR session.")
                }
                ))) : Promise.resolve()
            }
            ,
            e.prototype.trySetViewportForView = function(e, t) {
                var i;
                return (null === (i = this._baseLayerRTTProvider) || void 0 === i ? void 0 : i.trySetViewportForView(e, t)) || !1
            }
            ,
            e.prototype.getRenderTargetTextureForEye = function(e) {
                var t;
                return (null === (t = this._baseLayerRTTProvider) || void 0 === t ? void 0 : t.getRenderTargetTextureForEye(e)) || null
            }
            ,
            e.prototype.getRenderTargetTextureForView = function(e) {
                var t;
                return (null === (t = this._baseLayerRTTProvider) || void 0 === t ? void 0 : t.getRenderTargetTextureForView(e)) || null
            }
            ,
            e.prototype.getWebXRRenderTarget = function(e) {
                var t = this.scene.getEngine();
                return this._xrNavigator.xr.native ? new Hs(this) : ((e = e || ks.GetDefaults(t)).canvasElement = e.canvasElement || t.getRenderingCanvas() || void 0,
                new Gs(this,e))
            }
            ,
            e.prototype.initializeAsync = function() {
                return this._xrNavigator = navigator,
                this._xrNavigator.xr ? Promise.resolve() : Promise.reject("WebXR not available")
            }
            ,
            e.prototype.initializeSessionAsync = function(e, t) {
                var i = this;
                return void 0 === e && (e = "immersive-vr"),
                void 0 === t && (t = {}),
                this._xrNavigator.xr.requestSession(e, t).then((function(t) {
                    return i.session = t,
                    i._sessionMode = e,
                    i.onXRSessionInit.notifyObservers(t),
                    i.inXRSession = !0,
                    i.session.addEventListener("end", (function() {
                        var e;
                        i.inXRSession = !1,
                        i.onXRSessionEnded.notifyObservers(null),
                        i._engine && (i._engine.framebufferDimensionsObject = null,
                        i._engine.restoreDefaultFramebuffer(),
                        i._engine.customAnimationFrameRequester = null,
                        i._engine._renderLoop()),
                        i.isNative && (null === (e = i._baseLayerRTTProvider) || void 0 === e || e.dispose()),
                        i._baseLayerRTTProvider = null,
                        i._baseLayerWrapper = null
                    }
                    ), {
                        once: !0
                    }),
                    i.session
                }
                ))
            }
            ,
            e.prototype.isSessionSupportedAsync = function(t) {
                return e.IsSessionSupportedAsync(t)
            }
            ,
            e.prototype.resetReferenceSpace = function() {
                this.referenceSpace = this.baseReferenceSpace
            }
            ,
            e.prototype.runXRRenderLoop = function() {
                var e, t = this;
                this.inXRSession && this._engine && (this._engine.customAnimationFrameRequester = {
                    requestAnimationFrame: this.session.requestAnimationFrame.bind(this.session),
                    renderFunction: function(e, i) {
                        var n;
                        t.inXRSession && t._engine && (t.currentFrame = i,
                        t.currentTimestamp = e,
                        i && (t.inXRFrameLoop = !0,
                        t._engine.framebufferDimensionsObject = (null === (n = t._baseLayerRTTProvider) || void 0 === n ? void 0 : n.getFramebufferDimensions()) || null,
                        t.onXRFrameObservable.notifyObservers(i),
                        t._engine._renderLoop(),
                        t._engine.framebufferDimensionsObject = null,
                        t.inXRFrameLoop = !1))
                    }
                },
                this._engine.framebufferDimensionsObject = (null === (e = this._baseLayerRTTProvider) || void 0 === e ? void 0 : e.getFramebufferDimensions()) || null,
                "undefined" != typeof window && window.cancelAnimationFrame && window.cancelAnimationFrame(this._engine._frameHandler),
                this._engine._renderLoop())
            }
            ,
            e.prototype.setReferenceSpaceTypeAsync = function(e) {
                var t = this;
                return void 0 === e && (e = "local-floor"),
                this.session.requestReferenceSpace(e).then((function(e) {
                    return e
                }
                ), (function(e) {
                    return K.Error("XR.requestReferenceSpace failed for the following reason: "),
                    K.Error(e),
                    K.Log('Defaulting to universally-supported "viewer" reference space type.'),
                    t.session.requestReferenceSpace("viewer").then((function(e) {
                        var i = new XRRigidTransform({
                            x: 0,
                            y: -t.defaultHeightCompensation,
                            z: 0
                        });
                        return e.getOffsetReferenceSpace(i)
                    }
                    ), (function(e) {
                        throw K.Error(e),
                        'XR initialization failed: required "viewer" reference space type not supported.'
                    }
                    ))
                }
                )).then((function(e) {
                    return t.session.requestReferenceSpace("viewer").then((function(i) {
                        return t.viewerReferenceSpace = i,
                        e
                    }
                    ))
                }
                )).then((function(e) {
                    return t.referenceSpace = t.baseReferenceSpace = e,
                    t.referenceSpace
                }
                ))
            }
            ,
            e.prototype.updateRenderStateAsync = function(e) {
                return Promise.resolve(this.session.updateRenderState(e))
            }
            ,
            e.prototype._setBaseLayerWrapper = function(e) {
                var t, i;
                this.isNative && (null === (t = this._baseLayerRTTProvider) || void 0 === t || t.dispose()),
                this._baseLayerWrapper = e,
                this._baseLayerRTTProvider = (null === (i = this._baseLayerWrapper) || void 0 === i ? void 0 : i.createRenderTargetTextureProvider(this)) || null
            }
            ,
            e.prototype.updateRenderState = function(e) {
                e.baseLayer && this._setBaseLayerWrapper(this.isNative ? new zs(e.baseLayer) : new Us(e.baseLayer)),
                this.session.updateRenderState(e)
            }
            ,
            e.IsSessionSupportedAsync = function(e) {
                if (!navigator.xr)
                    return Promise.resolve(!1);
                var t = navigator.xr.isSessionSupported || navigator.xr.supportsSession;
                return t ? t.call(navigator.xr, e).then((function(e) {
                    var t = void 0 === e || e;
                    return Promise.resolve(t)
                }
                )).catch((function(e) {
                    return K.Warn(e),
                    Promise.resolve(!1)
                }
                )) : Promise.resolve(!1)
            }
            ,
            Object.defineProperty(e.prototype, "isNative", {
                get: function() {
                    var e;
                    return null !== (e = this._xrNavigator.xr.native) && void 0 !== e && e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentFrameRate", {
                get: function() {
                    var e;
                    return null === (e = this.session) || void 0 === e ? void 0 : e.frameRate
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "supportedFrameRates", {
                get: function() {
                    var e;
                    return null === (e = this.session) || void 0 === e ? void 0 : e.supportedFrameRates
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.updateTargetFrameRate = function(e) {
                return this.session.updateTargetFrameRate(e)
            }
            ,
            e.prototype.runInXRFrame = function(e, t) {
                void 0 === t && (t = !0),
                this.inXRFrameLoop ? e() : !this.inXRSession && t || this.onXRFrameObservable.addOnce(e)
            }
            ,
            Object.defineProperty(e.prototype, "isFixedFoveationSupported", {
                get: function() {
                    var e;
                    return (null === (e = this._baseLayerWrapper) || void 0 === e ? void 0 : e.isFixedFoveationSupported) || !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fixedFoveation", {
                get: function() {
                    var e;
                    return (null === (e = this._baseLayerWrapper) || void 0 === e ? void 0 : e.fixedFoveation) || null
                },
                set: function(e) {
                    var t = Math.max(0, Math.min(1, e || 0));
                    this._baseLayerWrapper && (this._baseLayerWrapper.fixedFoveation = t)
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }();
        function js(e) {
            var t = e.height || 2
              , i = 0 === e.diameterTop ? 0 : e.diameterTop || e.diameter || 1
              , n = 0 === e.diameterBottom ? 0 : e.diameterBottom || e.diameter || 1;
            i = i || 1e-5,
            n = n || 1e-5;
            var r, o = e.tessellation || 24, a = e.subdivisions || 1, s = !!e.hasRings, l = !!e.enclose, c = 0 === e.cap ? 0 : e.cap || Vr.CAP_ALL, u = e.arc && (e.arc <= 0 || e.arc > 1) ? 1 : e.arc || 1, h = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, d = e.faceUV || new Array(3), p = e.faceColors, f = 2 + (1 + (1 !== u && l ? 2 : 0)) * (s ? a : 1);
            for (r = 0; r < f; r++)
                p && void 0 === p[r] && (p[r] = new N(1,1,1,1));
            for (r = 0; r < f; r++)
                d && void 0 === d[r] && (d[r] = new R(0,0,1,1));
            var _, m, g, v, y, b, T = new Array, E = new Array, S = new Array, C = new Array, P = new Array, M = 2 * Math.PI * u / o, I = (n - i) / 2 / t, O = x.Zero(), D = x.Zero(), L = x.Zero(), F = x.Zero(), w = x.Zero(), B = vn.Y, U = 1, V = 1, k = 0, G = 0;
            for (v = 0; v <= a; v++)
                for (g = ((m = v / a) * (i - n) + n) / 2,
                U = s && 0 !== v && v !== a ? 2 : 1,
                b = 0; b < U; b++) {
                    for (s && (V += b),
                    l && (V += 2 * b),
                    y = 0; y <= o; y++)
                        _ = y * M,
                        O.x = Math.cos(-_) * g,
                        O.y = -t / 2 + m * t,
                        O.z = Math.sin(-_) * g,
                        0 === i && v === a ? (D.x = S[S.length - 3 * (o + 1)],
                        D.y = S[S.length - 3 * (o + 1) + 1],
                        D.z = S[S.length - 3 * (o + 1) + 2]) : (D.x = O.x,
                        D.z = O.z,
                        D.y = Math.sqrt(D.x * D.x + D.z * D.z) * I,
                        D.normalize()),
                        0 === y && (L.copyFrom(O),
                        F.copyFrom(D)),
                        E.push(O.x, O.y, O.z),
                        S.push(D.x, D.y, D.z),
                        G = s ? k !== V ? d[V].y : d[V].w : d[V].y + (d[V].w - d[V].y) * m,
                        C.push(d[V].x + (d[V].z - d[V].x) * y / o, pr.UseOpenGLOrientationForUV ? 1 - G : G),
                        p && P.push(p[V].r, p[V].g, p[V].b, p[V].a);
                    1 !== u && l && (E.push(O.x, O.y, O.z),
                    E.push(0, O.y, 0),
                    E.push(0, O.y, 0),
                    E.push(L.x, L.y, L.z),
                    x.CrossToRef(B, D, w),
                    w.normalize(),
                    S.push(w.x, w.y, w.z, w.x, w.y, w.z),
                    x.CrossToRef(F, B, w),
                    w.normalize(),
                    S.push(w.x, w.y, w.z, w.x, w.y, w.z),
                    G = s ? k !== V ? d[V + 1].y : d[V + 1].w : d[V + 1].y + (d[V + 1].w - d[V + 1].y) * m,
                    C.push(d[V + 1].x, pr.UseOpenGLOrientationForUV ? 1 - G : G),
                    C.push(d[V + 1].z, pr.UseOpenGLOrientationForUV ? 1 - G : G),
                    G = s ? k !== V ? d[V + 2].y : d[V + 2].w : d[V + 2].y + (d[V + 2].w - d[V + 2].y) * m,
                    C.push(d[V + 2].x, pr.UseOpenGLOrientationForUV ? 1 - G : G),
                    C.push(d[V + 2].z, pr.UseOpenGLOrientationForUV ? 1 - G : G),
                    p && (P.push(p[V + 1].r, p[V + 1].g, p[V + 1].b, p[V + 1].a),
                    P.push(p[V + 1].r, p[V + 1].g, p[V + 1].b, p[V + 1].a),
                    P.push(p[V + 2].r, p[V + 2].g, p[V + 2].b, p[V + 2].a),
                    P.push(p[V + 2].r, p[V + 2].g, p[V + 2].b, p[V + 2].a))),
                    k !== V && (k = V)
                }
            var z = 1 !== u && l ? o + 4 : o;
            for (v = 0,
            V = 0; V < a; V++) {
                var W = 0
                  , H = 0
                  , X = 0
                  , j = 0;
                for (y = 0; y < o; y++)
                    W = v * (z + 1) + y,
                    H = (v + 1) * (z + 1) + y,
                    X = v * (z + 1) + (y + 1),
                    j = (v + 1) * (z + 1) + (y + 1),
                    T.push(W, H, X),
                    T.push(j, X, H);
                1 !== u && l && (T.push(W + 2, H + 2, X + 2),
                T.push(j + 2, X + 2, H + 2),
                T.push(W + 4, H + 4, X + 4),
                T.push(j + 4, X + 4, H + 4)),
                v = s ? v + 2 : v + 1
            }
            var Y = function(e) {
                var r = e ? i / 2 : n / 2;
                if (0 !== r) {
                    var a, s, l, c = e ? d[f - 1] : d[0], h = null;
                    p && (h = e ? p[f - 1] : p[0]);
                    var _ = E.length / 3
                      , m = e ? t / 2 : -t / 2
                      , g = new x(0,m,0);
                    E.push(g.x, g.y, g.z),
                    S.push(0, e ? 1 : -1, 0);
                    var v = c.y + .5 * (c.w - c.y);
                    C.push(c.x + .5 * (c.z - c.x), pr.UseOpenGLOrientationForUV ? 1 - v : v),
                    h && P.push(h.r, h.g, h.b, h.a);
                    var y = new A(.5,.5);
                    for (l = 0; l <= o; l++) {
                        a = 2 * Math.PI * l * u / o;
                        var b = Math.cos(-a)
                          , R = Math.sin(-a);
                        s = new x(b * r,m,R * r);
                        var M = new A(b * y.x + .5,R * y.y + .5);
                        E.push(s.x, s.y, s.z),
                        S.push(0, e ? 1 : -1, 0);
                        var I = c.y + (c.w - c.y) * M.y;
                        C.push(c.x + (c.z - c.x) * M.x, pr.UseOpenGLOrientationForUV ? 1 - I : I),
                        h && P.push(h.r, h.g, h.b, h.a)
                    }
                    for (l = 0; l < o; l++)
                        e ? (T.push(_),
                        T.push(_ + (l + 2)),
                        T.push(_ + (l + 1))) : (T.push(_),
                        T.push(_ + (l + 1)),
                        T.push(_ + (l + 2)))
                }
            };
            c !== Vr.CAP_START && c !== Vr.CAP_ALL || Y(!1),
            c !== Vr.CAP_END && c !== Vr.CAP_ALL || Y(!0),
            $n._ComputeSides(h, E, T, S, C, e.frontUVs, e.backUVs);
            var K = new $n;
            return K.indices = T,
            K.positions = E,
            K.normals = S,
            K.uvs = C,
            p && (K.colors = P),
            K
        }
        function Ys(e, t, i) {
            void 0 === t && (t = {});
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            js(t).applyToMesh(n, t.updatable),
            n
        }
        !function(e) {
            e[e.ENTERING_XR = 0] = "ENTERING_XR",
            e[e.EXITING_XR = 1] = "EXITING_XR",
            e[e.IN_XR = 2] = "IN_XR",
            e[e.NOT_IN_XR = 3] = "NOT_IN_XR"
        }(Ns || (Ns = {})),
        function(e) {
            e[e.NOT_TRACKING = 0] = "NOT_TRACKING",
            e[e.TRACKING_LOST = 1] = "TRACKING_LOST",
            e[e.TRACKING = 2] = "TRACKING"
        }(Ls || (Ls = {}));
        var Ks = {
            CreateCylinder: Ys
        };
        function Qs(e) {
            for (var t = [], i = [], n = [], r = [], o = e.diameter || 1, a = e.thickness || .5, s = e.tessellation || 16, l = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, c = s + 1, u = 0; u <= s; u++)
                for (var h = u / s, d = u * Math.PI * 2 / s - Math.PI / 2, p = P.Translation(o / 2, 0, 0).multiply(P.RotationY(d)), f = 0; f <= s; f++) {
                    var _ = 1 - f / s
                      , m = f * Math.PI * 2 / s + Math.PI
                      , g = Math.cos(m)
                      , v = Math.sin(m)
                      , y = new x(g,v,0)
                      , b = y.scale(a / 2)
                      , T = new A(h,_);
                    b = x.TransformCoordinates(b, p),
                    y = x.TransformNormal(y, p),
                    i.push(b.x, b.y, b.z),
                    n.push(y.x, y.y, y.z),
                    r.push(T.x, pr.UseOpenGLOrientationForUV ? 1 - T.y : T.y);
                    var E = (u + 1) % c
                      , S = (f + 1) % c;
                    t.push(u * c + f),
                    t.push(u * c + S),
                    t.push(E * c + f),
                    t.push(u * c + S),
                    t.push(E * c + S),
                    t.push(E * c + f)
                }
            $n._ComputeSides(l, i, t, n, r, e.frontUVs, e.backUVs);
            var R = new $n;
            return R.indices = t,
            R.positions = i,
            R.normals = n,
            R.uvs = r,
            R
        }
        function qs(e, t, i) {
            void 0 === t && (t = {});
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            Qs(t).applyToMesh(n, t.updatable),
            n
        }
        $n.CreateCylinder = js,
        Vr.CreateCylinder = function(e, t, i, n, r, o, a, s, l) {
            return void 0 !== a && a instanceof mn || (void 0 !== a && (l = s || Vr.DEFAULTSIDE,
            s = a),
            a = o,
            o = 1),
            Ys(e, {
                height: t,
                diameterTop: i,
                diameterBottom: n,
                tessellation: r,
                subdivisions: o,
                sideOrientation: l,
                updatable: s
            }, a)
        }
        ;
        var Zs = {
            CreateTorus: qs
        };
        $n.CreateTorus = Qs,
        Vr.CreateTorus = function(e, t, i, n, r, o, a) {
            return qs(e, {
                diameter: t,
                thickness: i,
                tessellation: n,
                sideOrientation: a,
                updatable: o
            }, r)
        }
        ,
        Vr._GroundMeshParser = function(e, t) {
            return Js.Parse(e, t)
        }
        ;
        var Js = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.generateOctree = !1,
                n
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "GroundMesh"
            }
            ,
            Object.defineProperty(t.prototype, "subdivisions", {
                get: function() {
                    return Math.min(this._subdivisionsX, this._subdivisionsY)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "subdivisionsX", {
                get: function() {
                    return this._subdivisionsX
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "subdivisionsY", {
                get: function() {
                    return this._subdivisionsY
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.optimize = function(e, t) {
                void 0 === t && (t = 32),
                this._subdivisionsX = e,
                this._subdivisionsY = e,
                this.subdivide(e),
                this.createOrUpdateSubmeshesOctree && this.createOrUpdateSubmeshesOctree(t)
            }
            ,
            t.prototype.getHeightAtCoordinates = function(e, t) {
                var i = this.getWorldMatrix()
                  , n = I.Matrix[5];
                i.invertToRef(n);
                var r = I.Vector3[8];
                if (x.TransformCoordinatesFromFloatsToRef(e, 0, t, n, r),
                e = r.x,
                t = r.z,
                e < this._minX || e > this._maxX || t < this._minZ || t > this._maxZ)
                    return this.position.y;
                this._heightQuads && 0 != this._heightQuads.length || (this._initHeightQuads(),
                this._computeHeightQuads());
                var o = this._getFacetAt(e, t)
                  , a = -(o.x * e + o.z * t + o.w) / o.y;
                return x.TransformCoordinatesFromFloatsToRef(0, a, 0, i, r),
                r.y
            }
            ,
            t.prototype.getNormalAtCoordinates = function(e, t) {
                var i = new x(0,1,0);
                return this.getNormalAtCoordinatesToRef(e, t, i),
                i
            }
            ,
            t.prototype.getNormalAtCoordinatesToRef = function(e, t, i) {
                var n = this.getWorldMatrix()
                  , r = I.Matrix[5];
                n.invertToRef(r);
                var o = I.Vector3[8];
                if (x.TransformCoordinatesFromFloatsToRef(e, 0, t, r, o),
                e = o.x,
                t = o.z,
                e < this._minX || e > this._maxX || t < this._minZ || t > this._maxZ)
                    return this;
                this._heightQuads && 0 != this._heightQuads.length || (this._initHeightQuads(),
                this._computeHeightQuads());
                var a = this._getFacetAt(e, t);
                return x.TransformNormalFromFloatsToRef(a.x, a.y, a.z, n, i),
                this
            }
            ,
            t.prototype.updateCoordinateHeights = function() {
                return this._heightQuads && 0 != this._heightQuads.length || this._initHeightQuads(),
                this._computeHeightQuads(),
                this
            }
            ,
            t.prototype._getFacetAt = function(e, t) {
                var i = Math.floor((e + this._maxX) * this._subdivisionsX / this._width)
                  , n = Math.floor(-(t + this._maxZ) * this._subdivisionsY / this._height + this._subdivisionsY)
                  , r = this._heightQuads[n * this._subdivisionsX + i];
                return t < r.slope.x * e + r.slope.y ? r.facet1 : r.facet2
            }
            ,
            t.prototype._initHeightQuads = function() {
                var e = this._subdivisionsX
                  , t = this._subdivisionsY;
                this._heightQuads = new Array;
                for (var i = 0; i < t; i++)
                    for (var n = 0; n < e; n++) {
                        var r = {
                            slope: A.Zero(),
                            facet1: new R(0,0,0,0),
                            facet2: new R(0,0,0,0)
                        };
                        this._heightQuads[i * e + n] = r
                    }
                return this
            }
            ,
            t.prototype._computeHeightQuads = function() {
                var e = this.getVerticesData(Bi.PositionKind);
                if (!e)
                    return this;
                for (var t = I.Vector3[3], i = I.Vector3[2], n = I.Vector3[1], r = I.Vector3[0], o = I.Vector3[4], a = I.Vector3[5], s = I.Vector3[6], l = I.Vector3[7], c = I.Vector3[8], u = 0, h = 0, d = 0, p = 0, f = 0, _ = 0, m = 0, g = this._subdivisionsX, v = this._subdivisionsY, y = 0; y < v; y++)
                    for (var b = 0; b < g; b++) {
                        u = 3 * b,
                        h = y * (g + 1) * 3,
                        d = (y + 1) * (g + 1) * 3,
                        t.x = e[h + u],
                        t.y = e[h + u + 1],
                        t.z = e[h + u + 2],
                        i.x = e[h + u + 3],
                        i.y = e[h + u + 4],
                        i.z = e[h + u + 5],
                        n.x = e[d + u],
                        n.y = e[d + u + 1],
                        n.z = e[d + u + 2],
                        r.x = e[d + u + 3],
                        r.y = e[d + u + 4],
                        r.z = e[d + u + 5],
                        p = (r.z - t.z) / (r.x - t.x),
                        f = t.z - p * t.x,
                        i.subtractToRef(t, o),
                        n.subtractToRef(t, a),
                        r.subtractToRef(t, s),
                        x.CrossToRef(s, a, l),
                        x.CrossToRef(o, s, c),
                        l.normalize(),
                        c.normalize(),
                        _ = -(l.x * t.x + l.y * t.y + l.z * t.z),
                        m = -(c.x * i.x + c.y * i.y + c.z * i.z);
                        var T = this._heightQuads[y * g + b];
                        T.slope.copyFromFloats(p, f),
                        T.facet1.copyFromFloats(l.x, l.y, l.z, _),
                        T.facet2.copyFromFloats(c.x, c.y, c.z, m)
                    }
                return this
            }
            ,
            t.prototype.serialize = function(t) {
                e.prototype.serialize.call(this, t),
                t.subdivisionsX = this._subdivisionsX,
                t.subdivisionsY = this._subdivisionsY,
                t.minX = this._minX,
                t.maxX = this._maxX,
                t.minZ = this._minZ,
                t.maxZ = this._maxZ,
                t.width = this._width,
                t.height = this._height
            }
            ,
            t.Parse = function(e, i) {
                var n = new t(e.name,i);
                return n._subdivisionsX = e.subdivisionsX || 1,
                n._subdivisionsY = e.subdivisionsY || 1,
                n._minX = e.minX,
                n._maxX = e.maxX,
                n._minZ = e.minZ,
                n._maxZ = e.maxZ,
                n._width = e.width,
                n._height = e.height,
                n
            }
            ,
            t
        }(Vr);
        function $s(e) {
            var t, i, n = [], r = [], o = [], a = [], s = e.width || 1, l = e.height || 1, c = e.subdivisionsX || e.subdivisions || 1, u = e.subdivisionsY || e.subdivisions || 1;
            for (t = 0; t <= u; t++)
                for (i = 0; i <= c; i++) {
                    var h = new x(i * s / c - s / 2,0,(u - t) * l / u - l / 2)
                      , d = new x(0,1,0);
                    r.push(h.x, h.y, h.z),
                    o.push(d.x, d.y, d.z),
                    a.push(i / c, pr.UseOpenGLOrientationForUV ? t / u : 1 - t / u)
                }
            for (t = 0; t < u; t++)
                for (i = 0; i < c; i++)
                    n.push(i + 1 + (t + 1) * (c + 1)),
                    n.push(i + 1 + t * (c + 1)),
                    n.push(i + t * (c + 1)),
                    n.push(i + (t + 1) * (c + 1)),
                    n.push(i + 1 + (t + 1) * (c + 1)),
                    n.push(i + t * (c + 1));
            var p = new $n;
            return p.indices = n,
            p.positions = r,
            p.normals = o,
            p.uvs = a,
            p
        }
        function el(e) {
            var t, i, n, r, o = void 0 !== e.xmin && null !== e.xmin ? e.xmin : -1, a = void 0 !== e.zmin && null !== e.zmin ? e.zmin : -1, s = void 0 !== e.xmax && null !== e.xmax ? e.xmax : 1, l = void 0 !== e.zmax && null !== e.zmax ? e.zmax : 1, c = e.subdivisions || {
                w: 1,
                h: 1
            }, u = e.precision || {
                w: 1,
                h: 1
            }, h = new Array, d = new Array, p = new Array, f = new Array;
            c.h = c.h < 1 ? 1 : c.h,
            c.w = c.w < 1 ? 1 : c.w,
            u.w = u.w < 1 ? 1 : u.w,
            u.h = u.h < 1 ? 1 : u.h;
            var _ = (s - o) / c.w
              , m = (l - a) / c.h;
            function g(e, n, r, o) {
                var a = d.length / 3
                  , s = u.w + 1;
                for (t = 0; t < u.h; t++)
                    for (i = 0; i < u.w; i++) {
                        var l = [a + i + t * s, a + (i + 1) + t * s, a + (i + 1) + (t + 1) * s, a + i + (t + 1) * s];
                        h.push(l[1]),
                        h.push(l[2]),
                        h.push(l[3]),
                        h.push(l[0]),
                        h.push(l[1]),
                        h.push(l[3])
                    }
                var c = x.Zero()
                  , _ = new x(0,1,0);
                for (t = 0; t <= u.h; t++)
                    for (c.z = t * (o - n) / u.h + n,
                    i = 0; i <= u.w; i++)
                        c.x = i * (r - e) / u.w + e,
                        c.y = 0,
                        d.push(c.x, c.y, c.z),
                        p.push(_.x, _.y, _.z),
                        f.push(i / u.w, t / u.h)
            }
            for (n = 0; n < c.h; n++)
                for (r = 0; r < c.w; r++)
                    g(o + r * _, a + n * m, o + (r + 1) * _, a + (n + 1) * m);
            var v = new $n;
            return v.indices = h,
            v.positions = d,
            v.normals = p,
            v.uvs = f,
            v
        }
        function tl(e) {
            var t, i, n = [], r = [], o = [], a = [], s = e.colorFilter || new D(.3,.59,.11), l = e.alphaFilter || 0, c = !1;
            if (e.minHeight > e.maxHeight) {
                c = !0;
                var u = e.maxHeight;
                e.maxHeight = e.minHeight,
                e.minHeight = u
            }
            for (t = 0; t <= e.subdivisions; t++)
                for (i = 0; i <= e.subdivisions; i++) {
                    var h = new x(i * e.width / e.subdivisions - e.width / 2,0,(e.subdivisions - t) * e.height / e.subdivisions - e.height / 2)
                      , d = 4 * (((h.x + e.width / 2) / e.width * (e.bufferWidth - 1) | 0) + ((1 - (h.z + e.height / 2) / e.height) * (e.bufferHeight - 1) | 0) * e.bufferWidth)
                      , p = e.buffer[d] / 255
                      , f = e.buffer[d + 1] / 255
                      , _ = e.buffer[d + 2] / 255
                      , g = e.buffer[d + 3] / 255;
                    c && (p = 1 - p,
                    f = 1 - f,
                    _ = 1 - _);
                    var v = p * s.r + f * s.g + _ * s.b;
                    h.y = g >= l ? e.minHeight + (e.maxHeight - e.minHeight) * v : e.minHeight - m,
                    r.push(h.x, h.y, h.z),
                    o.push(0, 0, 0),
                    a.push(i / e.subdivisions, 1 - t / e.subdivisions)
                }
            for (t = 0; t < e.subdivisions; t++)
                for (i = 0; i < e.subdivisions; i++) {
                    var y = i + 1 + (t + 1) * (e.subdivisions + 1)
                      , b = i + 1 + t * (e.subdivisions + 1)
                      , T = i + t * (e.subdivisions + 1)
                      , E = i + (t + 1) * (e.subdivisions + 1)
                      , S = r[3 * y + 1] >= e.minHeight
                      , A = r[3 * b + 1] >= e.minHeight
                      , R = r[3 * T + 1] >= e.minHeight;
                    S && A && R && (n.push(y),
                    n.push(b),
                    n.push(T)),
                    r[3 * E + 1] >= e.minHeight && S && R && (n.push(E),
                    n.push(y),
                    n.push(T))
                }
            $n.ComputeNormals(r, n, o);
            var C = new $n;
            return C.indices = n,
            C.positions = r,
            C.normals = o,
            C.uvs = a,
            C
        }
        function il(e, t, i) {
            void 0 === t && (t = {});
            var n = new Js(e,i);
            return n._setReady(!1),
            n._subdivisionsX = t.subdivisionsX || t.subdivisions || 1,
            n._subdivisionsY = t.subdivisionsY || t.subdivisions || 1,
            n._width = t.width || 1,
            n._height = t.height || 1,
            n._maxX = n._width / 2,
            n._maxZ = n._height / 2,
            n._minX = -n._maxX,
            n._minZ = -n._maxZ,
            $s(t).applyToMesh(n, t.updatable),
            n._setReady(!0),
            n
        }
        function nl(e, t, i) {
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return el(t).applyToMesh(n, t.updatable),
            n
        }
        function rl(e, t, i, n) {
            void 0 === i && (i = {}),
            void 0 === n && (n = null);
            var r = i.width || 10
              , o = i.height || 10
              , a = i.subdivisions || 1
              , s = i.minHeight || 0
              , l = i.maxHeight || 1
              , c = i.colorFilter || new D(.3,.59,.11)
              , u = i.alphaFilter || 0
              , h = i.updatable
              , d = i.onReady;
            n = n || E.LastCreatedScene;
            var p = new Js(e,n);
            return p._subdivisionsX = a,
            p._subdivisionsY = a,
            p._width = r,
            p._height = o,
            p._maxX = p._width / 2,
            p._maxZ = p._height / 2,
            p._minX = -p._maxX,
            p._minZ = -p._maxZ,
            p._setReady(!1),
            gi.LoadImage(t, (function(e) {
                var t = e.width
                  , i = e.height;
                if (!n.isDisposed) {
                    var f = null == n ? void 0 : n.getEngine().resizeImageBitmap(e, t, i);
                    tl({
                        width: r,
                        height: o,
                        subdivisions: a,
                        minHeight: s,
                        maxHeight: l,
                        colorFilter: c,
                        buffer: f,
                        bufferWidth: t,
                        bufferHeight: i,
                        alphaFilter: u
                    }).applyToMesh(p, h),
                    d && d(p),
                    p._setReady(!0)
                }
            }
            ), (function() {}
            ), n.offlineProvider),
            p
        }
        var ol = {
            CreateGround: il,
            CreateGroundFromHeightMap: rl,
            CreateTiledGround: nl
        };
        $n.CreateGround = $s,
        $n.CreateTiledGround = el,
        $n.CreateGroundFromHeightMap = tl,
        Vr.CreateGround = function(e, t, i, n, r, o) {
            return il(e, {
                width: t,
                height: i,
                subdivisions: n,
                updatable: o
            }, r)
        }
        ,
        Vr.CreateTiledGround = function(e, t, i, n, r, o, a, s, l) {
            return nl(e, {
                xmin: t,
                zmin: i,
                xmax: n,
                zmax: r,
                subdivisions: o,
                precision: a,
                updatable: l
            }, s)
        }
        ,
        Vr.CreateGroundFromHeightMap = function(e, t, i, n, r, o, a, s, l, c, u) {
            return rl(e, t, {
                width: i,
                height: n,
                subdivisions: r,
                minHeight: o,
                maxHeight: a,
                updatable: l,
                onReady: c,
                alphaFilter: u
            }, s)
        }
        ;
        var al, sl = function() {
            function e(t, i) {
                if (void 0 === i && (i = null),
                this.scene = t,
                this._pointerDownOnMeshAsked = !1,
                this._isActionableMesh = !1,
                this._teleportationRequestInitiated = !1,
                this._teleportationBackRequestInitiated = !1,
                this._rotationRightAsked = !1,
                this._rotationLeftAsked = !1,
                this._dpadPressed = !0,
                this._activePointer = !1,
                this._id = e._IdCounter++,
                i)
                    this._gazeTracker = i.clone("gazeTracker");
                else {
                    this._gazeTracker = qs("gazeTracker", {
                        diameter: .0035,
                        thickness: .0025,
                        tessellation: 20,
                        updatable: !1
                    }, t),
                    this._gazeTracker.bakeCurrentTransformIntoVertices(),
                    this._gazeTracker.isPickable = !1,
                    this._gazeTracker.isVisible = !1;
                    var n = new Os("targetMat",t);
                    n.specularColor = D.Black(),
                    n.emissiveColor = new D(.7,.7,.7),
                    n.backFaceCulling = !1,
                    this._gazeTracker.material = n
                }
            }
            return e.prototype._getForwardRay = function(e) {
                return new _o(x.Zero(),new x(0,0,e))
            }
            ,
            e.prototype._selectionPointerDown = function() {
                this._pointerDownOnMeshAsked = !0,
                this._currentHit && this.scene.simulatePointerDown(this._currentHit, {
                    pointerId: this._id
                })
            }
            ,
            e.prototype._selectionPointerUp = function() {
                this._currentHit && this.scene.simulatePointerUp(this._currentHit, {
                    pointerId: this._id
                }),
                this._pointerDownOnMeshAsked = !1
            }
            ,
            e.prototype._activatePointer = function() {
                this._activePointer = !0
            }
            ,
            e.prototype._deactivatePointer = function() {
                this._activePointer = !1
            }
            ,
            e.prototype._updatePointerDistance = function(e) {
                void 0 === e && (e = 100)
            }
            ,
            e.prototype.dispose = function() {
                this._interactionsEnabled = !1,
                this._teleportationEnabled = !1,
                this._gazeTracker && this._gazeTracker.dispose()
            }
            ,
            e._IdCounter = 0,
            e
        }(), ll = function(e) {
            function t(t, i, n) {
                var r = e.call(this, i, n) || this;
                r.webVRController = t,
                r._laserPointer = Ys("laserPointer", {
                    updatable: !1,
                    height: 1,
                    diameterTop: .004,
                    diameterBottom: 2e-4,
                    tessellation: 20,
                    subdivisions: 1
                }, i);
                var o = new Os("laserPointerMat",i);
                if (o.emissiveColor = new D(.7,.7,.7),
                o.alpha = .6,
                r._laserPointer.material = o,
                r._laserPointer.rotation.x = Math.PI / 2,
                r._laserPointer.position.z = -.5,
                r._laserPointer.isVisible = !1,
                r._laserPointer.isPickable = !1,
                !t.mesh) {
                    var a = new Vr("preloadControllerMesh",i)
                      , s = new Vr(Ra.POINTING_POSE,i);
                    s.rotation.x = -.7,
                    a.addChild(s),
                    t.attachToMesh(a)
                }
                return r._setLaserPointerParent(t.mesh),
                r._meshAttachedObserver = t._meshAttachedObservable.add((function(e) {
                    r._setLaserPointerParent(e)
                }
                )),
                r
            }
            return U(t, e),
            t.prototype._getForwardRay = function(e) {
                return this.webVRController.getForwardRay(e)
            }
            ,
            t.prototype._activatePointer = function() {
                e.prototype._activatePointer.call(this),
                this._laserPointer.isVisible = !0
            }
            ,
            t.prototype._deactivatePointer = function() {
                e.prototype._deactivatePointer.call(this),
                this._laserPointer.isVisible = !1
            }
            ,
            t.prototype._setLaserPointerColor = function(e) {
                this._laserPointer.material.emissiveColor = e
            }
            ,
            t.prototype._setLaserPointerLightingDisabled = function(e) {
                this._laserPointer.material.disableLighting = e
            }
            ,
            t.prototype._setLaserPointerParent = function(e) {
                var t = function(e) {
                    e.isPickable = !1,
                    e.getChildMeshes().forEach((function(e) {
                        t(e)
                    }
                    ))
                };
                t(e);
                var i = e.getChildren(void 0, !1)
                  , n = e;
                this.webVRController._pointingPoseNode = null;
                for (var r = 0; r < i.length; r++)
                    if (i[r].name && i[r].name.indexOf(Ra.POINTING_POSE) >= 0) {
                        n = i[r],
                        this.webVRController._pointingPoseNode = n;
                        break
                    }
                this._laserPointer.parent = n
            }
            ,
            t.prototype._updatePointerDistance = function(e) {
                void 0 === e && (e = 100),
                this._laserPointer.scaling.y = e,
                this._laserPointer.position.z = -e / 2
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._laserPointer.dispose(),
                this._meshAttachedObserver && this.webVRController._meshAttachedObservable.remove(this._meshAttachedObserver)
            }
            ,
            t
        }(sl), cl = function(e) {
            function t(t, i) {
                var n = e.call(this, i) || this;
                return n._getCamera = t,
                n
            }
            return U(t, e),
            t.prototype._getForwardRay = function(e) {
                var t = this._getCamera();
                return t ? t.getForwardRay(e) : new _o(x.Zero(),x.Forward())
            }
            ,
            t
        }(sl), ul = function() {}, hl = function() {
            function e(t, i) {
                void 0 === i && (i = {});
                var n = this;
                if (this.webVROptions = i,
                this._webVRsupported = !1,
                this._webVRready = !1,
                this._webVRrequesting = !1,
                this._webVRpresenting = !1,
                this._fullscreenVRpresenting = !1,
                this.enableGazeEvenWhenNoPointerLock = !1,
                this.exitVROnDoubleTap = !0,
                this.onEnteringVRObservable = new h,
                this.onAfterEnteringVRObservable = new h,
                this.onExitingVRObservable = new h,
                this.onControllerMeshLoadedObservable = new h,
                this._useCustomVRButton = !1,
                this._teleportationRequested = !1,
                this._teleportActive = !1,
                this._floorMeshesCollection = [],
                this._teleportationMode = e.TELEPORTATIONMODE_CONSTANTTIME,
                this._teleportationTime = 122,
                this._teleportationSpeed = 20,
                this._rotationAllowed = !0,
                this._teleportBackwardsVector = new x(0,-1,-1),
                this._isDefaultTeleportationTarget = !0,
                this._teleportationFillColor = "#444444",
                this._teleportationBorderColor = "#FFFFFF",
                this._rotationAngle = 0,
                this._haloCenter = new x(0,0,0),
                this._padSensibilityUp = .65,
                this._padSensibilityDown = .35,
                this._leftController = null,
                this._rightController = null,
                this._gazeColor = new D(.7,.7,.7),
                this._laserColor = new D(.7,.7,.7),
                this._pickedLaserColor = new D(.2,.2,1),
                this._pickedGazeColor = new D(0,0,1),
                this.onNewMeshSelected = new h,
                this.onMeshSelectedWithController = new h,
                this.onNewMeshPicked = new h,
                this.onBeforeCameraTeleport = new h,
                this.onAfterCameraTeleport = new h,
                this.onSelectedMeshUnselected = new h,
                this.teleportationEnabled = !0,
                this._teleportationInitialized = !1,
                this._interactionsEnabled = !1,
                this._interactionsRequested = !1,
                this._displayGaze = !0,
                this._displayLaserPointer = !0,
                this.updateGazeTrackerScale = !0,
                this.updateGazeTrackerColor = !0,
                this.updateControllerLaserColor = !0,
                this.requestPointerLockOnFullScreen = !0,
                this.xrTestDone = !1,
                this._onResize = function() {
                    n._moveButtonToBottomRight(),
                    n._fullscreenVRpresenting && n._webVRready && n.exitVR()
                }
                ,
                this._onFullscreenChange = function() {
                    var e = document;
                    void 0 !== e.fullscreen ? n._fullscreenVRpresenting = document.fullscreen : void 0 !== e.mozFullScreen ? n._fullscreenVRpresenting = e.mozFullScreen : void 0 !== e.webkitIsFullScreen ? n._fullscreenVRpresenting = e.webkitIsFullScreen : void 0 !== e.msIsFullScreen ? n._fullscreenVRpresenting = e.msIsFullScreen : void 0 !== document.msFullscreenElement && (n._fullscreenVRpresenting = document.msFullscreenElement),
                    !n._fullscreenVRpresenting && n._inputElement && (n.exitVR(),
                    !n._useCustomVRButton && n._btnVR && (n._btnVR.style.top = n._inputElement.offsetTop + n._inputElement.offsetHeight - 70 + "px",
                    n._btnVR.style.left = n._inputElement.offsetLeft + n._inputElement.offsetWidth - 100 + "px",
                    n._updateButtonVisibility()))
                }
                ,
                this._cachedAngularSensibility = {
                    angularSensibilityX: null,
                    angularSensibilityY: null,
                    angularSensibility: null
                },
                this._beforeRender = function() {
                    n._leftController && n._leftController._activePointer && n._castRayAndSelectObject(n._leftController),
                    n._rightController && n._rightController._activePointer && n._castRayAndSelectObject(n._rightController),
                    n._noControllerIsActive && (n._scene.getEngine().isPointerLock || n.enableGazeEvenWhenNoPointerLock) ? n._castRayAndSelectObject(n._cameraGazer) : n._cameraGazer._gazeTracker.isVisible = !1
                }
                ,
                this._onNewGamepadConnected = function(e) {
                    if (e.type !== zo.POSE_ENABLED)
                        e.leftStick && e.onleftstickchanged((function(e) {
                            n._teleportationInitialized && n.teleportationEnabled && (!n._leftController && !n._rightController || n._leftController && !n._leftController._activePointer && n._rightController && !n._rightController._activePointer) && (n._checkTeleportWithRay(e, n._cameraGazer),
                            n._checkTeleportBackwards(e, n._cameraGazer))
                        }
                        )),
                        e.rightStick && e.onrightstickchanged((function(e) {
                            n._teleportationInitialized && n._checkRotate(e, n._cameraGazer)
                        }
                        )),
                        e.type === zo.XBOX && (e.onbuttondown((function(e) {
                            n._interactionsEnabled && e === Sa.A && n._cameraGazer._selectionPointerDown()
                        }
                        )),
                        e.onbuttonup((function(e) {
                            n._interactionsEnabled && e === Sa.A && n._cameraGazer._selectionPointerUp()
                        }
                        )));
                    else {
                        var t = e
                          , i = new ll(t,n._scene,n._cameraGazer._gazeTracker);
                        "right" === t.hand || n._leftController && n._leftController.webVRController != t ? n._rightController = i : n._leftController = i,
                        n._tryEnableInteractionOnController(i)
                    }
                }
                ,
                this._tryEnableInteractionOnController = function(e) {
                    n._interactionsRequested && !e._interactionsEnabled && n._enableInteractionOnController(e),
                    n._teleportationRequested && !e._teleportationEnabled && n._enableTeleportationOnController(e)
                }
                ,
                this._onNewGamepadDisconnected = function(e) {
                    e instanceof _s && ("left" === e.hand && null != n._leftController && (n._leftController.dispose(),
                    n._leftController = null),
                    "right" === e.hand && null != n._rightController && (n._rightController.dispose(),
                    n._rightController = null))
                }
                ,
                this._workingVector = x.Zero(),
                this._workingQuaternion = C.Identity(),
                this._workingMatrix = P.Identity(),
                K.Warn("WebVR is deprecated. Please avoid using this experience helper and use the WebXR experience helper instead"),
                this._scene = t,
                this._inputElement = t.getEngine().getInputElement(),
                "getVRDisplays"in navigator || void 0 !== i.useXR || (i.useXR = !0),
                void 0 === i.createFallbackVRDeviceOrientationFreeCamera && (i.createFallbackVRDeviceOrientationFreeCamera = !0),
                void 0 === i.createDeviceOrientationCamera && (i.createDeviceOrientationCamera = !0),
                void 0 === i.laserToggle && (i.laserToggle = !0),
                void 0 === i.defaultHeight && (i.defaultHeight = 1.7),
                i.useCustomVRButton && (this._useCustomVRButton = !0,
                i.customVRButton && (this._btnVR = i.customVRButton)),
                i.rayLength && (this._rayLength = i.rayLength),
                this._defaultHeight = i.defaultHeight,
                i.positionScale && (this._rayLength *= i.positionScale,
                this._defaultHeight *= i.positionScale),
                this._hasEnteredVR = !1,
                this._scene.activeCamera ? this._position = this._scene.activeCamera.position.clone() : this._position = new x(0,this._defaultHeight,0),
                i.createDeviceOrientationCamera || !this._scene.activeCamera) {
                    if (this._deviceOrientationCamera = new ma("deviceOrientationVRHelper",this._position.clone(),t),
                    this._scene.activeCamera && (this._deviceOrientationCamera.minZ = this._scene.activeCamera.minZ,
                    this._deviceOrientationCamera.maxZ = this._scene.activeCamera.maxZ,
                    this._scene.activeCamera instanceof da && this._scene.activeCamera.rotation)) {
                        var r = this._scene.activeCamera;
                        r.rotationQuaternion ? this._deviceOrientationCamera.rotationQuaternion.copyFrom(r.rotationQuaternion) : this._deviceOrientationCamera.rotationQuaternion.copyFrom(C.RotationYawPitchRoll(r.rotation.y, r.rotation.x, r.rotation.z)),
                        this._deviceOrientationCamera.rotation = r.rotation.clone()
                    }
                    this._scene.activeCamera = this._deviceOrientationCamera,
                    this._inputElement && this._scene.activeCamera.attachControl()
                } else
                    this._existingCamera = this._scene.activeCamera;
                this.webVROptions.useXR && navigator.xr ? Xs.IsSessionSupportedAsync("immersive-vr").then((function(e) {
                    e ? (K.Log("Using WebXR. It is recommended to use the WebXRDefaultExperience directly"),
                    t.createDefaultXRExperienceAsync({
                        floorMeshes: i.floorMeshes || []
                    }).then((function(e) {
                        n.xr = e,
                        n.xrTestDone = !0,
                        n._cameraGazer = new cl((function() {
                            return n.xr.baseExperience.camera
                        }
                        ),t),
                        n.xr.baseExperience.onStateChangedObservable.add((function(e) {
                            switch (e) {
                            case Ns.ENTERING_XR:
                                n.onEnteringVRObservable.notifyObservers(n),
                                n._interactionsEnabled || n.xr.pointerSelection.detach(),
                                n.xr.pointerSelection.displayLaserPointer = n._displayLaserPointer;
                                break;
                            case Ns.EXITING_XR:
                                n.onExitingVRObservable.notifyObservers(n),
                                n._scene.getEngine().resize();
                                break;
                            case Ns.IN_XR:
                                n._hasEnteredVR = !0;
                                break;
                            case Ns.NOT_IN_XR:
                                n._hasEnteredVR = !1
                            }
                        }
                        ))
                    }
                    ))) : n._completeVRInit(t, i)
                }
                )) : this._completeVRInit(t, i)
            }
            return Object.defineProperty(e.prototype, "onEnteringVR", {
                get: function() {
                    return this.onEnteringVRObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onExitingVR", {
                get: function() {
                    return this.onExitingVRObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onControllerMeshLoaded", {
                get: function() {
                    return this.onControllerMeshLoadedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "teleportationTarget", {
                get: function() {
                    return this._teleportationTarget
                },
                set: function(e) {
                    e && (e.name = "teleportationTarget",
                    this._isDefaultTeleportationTarget = !1,
                    this._teleportationTarget = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "gazeTrackerMesh", {
                get: function() {
                    return this._cameraGazer._gazeTracker
                },
                set: function(e) {
                    e && (this._cameraGazer._gazeTracker && this._cameraGazer._gazeTracker.dispose(),
                    this._leftController && this._leftController._gazeTracker && this._leftController._gazeTracker.dispose(),
                    this._rightController && this._rightController._gazeTracker && this._rightController._gazeTracker.dispose(),
                    this._cameraGazer._gazeTracker = e,
                    this._cameraGazer._gazeTracker.bakeCurrentTransformIntoVertices(),
                    this._cameraGazer._gazeTracker.isPickable = !1,
                    this._cameraGazer._gazeTracker.isVisible = !1,
                    this._cameraGazer._gazeTracker.name = "gazeTracker",
                    this._leftController && (this._leftController._gazeTracker = this._cameraGazer._gazeTracker.clone("gazeTracker")),
                    this._rightController && (this._rightController._gazeTracker = this._cameraGazer._gazeTracker.clone("gazeTracker")))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "leftControllerGazeTrackerMesh", {
                get: function() {
                    return this._leftController ? this._leftController._gazeTracker : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rightControllerGazeTrackerMesh", {
                get: function() {
                    return this._rightController ? this._rightController._gazeTracker : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "displayGaze", {
                get: function() {
                    return this._displayGaze
                },
                set: function(e) {
                    this._displayGaze = e,
                    e || (this._cameraGazer._gazeTracker.isVisible = !1,
                    this._leftController && (this._leftController._gazeTracker.isVisible = !1),
                    this._rightController && (this._rightController._gazeTracker.isVisible = !1))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "displayLaserPointer", {
                get: function() {
                    return this._displayLaserPointer
                },
                set: function(e) {
                    this._displayLaserPointer = e,
                    e ? (this._rightController && this._rightController._activatePointer(),
                    this._leftController && this._leftController._activatePointer()) : (this._rightController && (this._rightController._deactivatePointer(),
                    this._rightController._gazeTracker.isVisible = !1),
                    this._leftController && (this._leftController._deactivatePointer(),
                    this._leftController._gazeTracker.isVisible = !1))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "deviceOrientationCamera", {
                get: function() {
                    return this._deviceOrientationCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentVRCamera", {
                get: function() {
                    return this._webVRready ? this._webVRCamera : this._scene.activeCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "webVRCamera", {
                get: function() {
                    return this._webVRCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "vrDeviceOrientationCamera", {
                get: function() {
                    return this._vrDeviceOrientationCamera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "vrButton", {
                get: function() {
                    return this._btnVR
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_teleportationRequestInitiated", {
                get: function() {
                    return this._cameraGazer._teleportationRequestInitiated || null !== this._leftController && this._leftController._teleportationRequestInitiated || null !== this._rightController && this._rightController._teleportationRequestInitiated
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._completeVRInit = function(e, t) {
                var i = this;
                if (this.xrTestDone = !0,
                t.createFallbackVRDeviceOrientationFreeCamera && (t.useMultiview && (t.vrDeviceOrientationCameraMetrics || (t.vrDeviceOrientationCameraMetrics = ts.GetDefault()),
                t.vrDeviceOrientationCameraMetrics.multiviewEnabled = !0),
                this._vrDeviceOrientationCamera = new us("VRDeviceOrientationVRHelper",this._position,this._scene,!0,t.vrDeviceOrientationCameraMetrics),
                this._vrDeviceOrientationCamera.angularSensibility = Number.MAX_VALUE),
                this._webVRCamera = new fs("WebVRHelper",this._position,this._scene,t),
                this._webVRCamera.useStandingMatrix(),
                this._cameraGazer = new cl((function() {
                    return i.currentVRCamera
                }
                ),e),
                !this._useCustomVRButton) {
                    this._btnVR = document.createElement("BUTTON"),
                    this._btnVR.className = "babylonVRicon",
                    this._btnVR.id = "babylonVRiconbtn",
                    this._btnVR.title = "Click to switch to VR";
                    var n = ".babylonVRicon { position: absolute; right: 20px; height: 50px; width: 80px; background-color: rgba(51,51,51,0.7); background-image: url(" + (window.SVGSVGElement ? "data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%222048%22%20height%3D%221152%22%20viewBox%3D%220%200%202048%201152%22%20version%3D%221.1%22%3E%3Cpath%20transform%3D%22rotate%28180%201024%2C576.0000000000001%29%22%20d%3D%22m1109%2C896q17%2C0%2030%2C-12t13%2C-30t-12.5%2C-30.5t-30.5%2C-12.5l-170%2C0q-18%2C0%20-30.5%2C12.5t-12.5%2C30.5t13%2C30t30%2C12l170%2C0zm-85%2C256q59%2C0%20132.5%2C-1.5t154.5%2C-5.5t164.5%2C-11.5t163%2C-20t150%2C-30t124.5%2C-41.5q23%2C-11%2042%2C-24t38%2C-30q27%2C-25%2041%2C-61.5t14%2C-72.5l0%2C-257q0%2C-123%20-47%2C-232t-128%2C-190t-190%2C-128t-232%2C-47l-81%2C0q-37%2C0%20-68.5%2C14t-60.5%2C34.5t-55.5%2C45t-53%2C45t-53%2C34.5t-55.5%2C14t-55.5%2C-14t-53%2C-34.5t-53%2C-45t-55.5%2C-45t-60.5%2C-34.5t-68.5%2C-14l-81%2C0q-123%2C0%20-232%2C47t-190%2C128t-128%2C190t-47%2C232l0%2C257q0%2C68%2038%2C115t97%2C73q54%2C24%20124.5%2C41.5t150%2C30t163%2C20t164.5%2C11.5t154.5%2C5.5t132.5%2C1.5zm939%2C-298q0%2C39%20-24.5%2C67t-58.5%2C42q-54%2C23%20-122%2C39.5t-143.5%2C28t-155.5%2C19t-157%2C11t-148.5%2C5t-129.5%2C1.5q-59%2C0%20-130%2C-1.5t-148%2C-5t-157%2C-11t-155.5%2C-19t-143.5%2C-28t-122%2C-39.5q-34%2C-14%20-58.5%2C-42t-24.5%2C-67l0%2C-257q0%2C-106%2040.5%2C-199t110%2C-162.5t162.5%2C-109.5t199%2C-40l81%2C0q27%2C0%2052%2C14t50%2C34.5t51%2C44.5t55.5%2C44.5t63.5%2C34.5t74%2C14t74%2C-14t63.5%2C-34.5t55.5%2C-44.5t51%2C-44.5t50%2C-34.5t52%2C-14l14%2C0q37%2C0%2070%2C0.5t64.5%2C4.5t63.5%2C12t68%2C23q71%2C30%20128.5%2C78.5t98.5%2C110t63.5%2C133.5t22.5%2C149l0%2C257z%22%20fill%3D%22white%22%20/%3E%3C/svg%3E%0A" : "https://cdn.babylonjs.com/Assets/vrButton.png") + "); background-size: 80%; background-repeat:no-repeat; background-position: center; border: none; outline: none; transition: transform 0.125s ease-out } .babylonVRicon:hover { transform: scale(1.05) } .babylonVRicon:active {background-color: rgba(51,51,51,1) } .babylonVRicon:focus {background-color: rgba(51,51,51,1) }";
                    n += ".babylonVRicon.vrdisplaypresenting { display: none; }";
                    var r = document.createElement("style");
                    r.appendChild(document.createTextNode(n)),
                    document.getElementsByTagName("head")[0].appendChild(r),
                    this._moveButtonToBottomRight()
                }
                this._btnVR && this._btnVR.addEventListener("click", (function() {
                    i.isInVRMode ? i._scene.getEngine().disableVR() : i.enterVR()
                }
                ));
                var o = this._scene.getEngine().getHostWindow();
                o && (o.addEventListener("resize", this._onResize),
                document.addEventListener("fullscreenchange", this._onFullscreenChange, !1),
                document.addEventListener("mozfullscreenchange", this._onFullscreenChange, !1),
                document.addEventListener("webkitfullscreenchange", this._onFullscreenChange, !1),
                document.addEventListener("msfullscreenchange", this._onFullscreenChange, !1),
                document.onmsfullscreenchange = this._onFullscreenChange,
                t.createFallbackVRDeviceOrientationFreeCamera ? this._displayVRButton() : this._scene.getEngine().onVRDisplayChangedObservable.add((function(e) {
                    e.vrDisplay && i._displayVRButton()
                }
                )),
                this._onKeyDown = function(e) {
                    27 === e.keyCode && i.isInVRMode && i.exitVR()
                }
                ,
                document.addEventListener("keydown", this._onKeyDown),
                this._scene.onPrePointerObservable.add((function() {
                    i._hasEnteredVR && i.exitVROnDoubleTap && (i.exitVR(),
                    i._fullscreenVRpresenting && i._scene.getEngine().exitFullscreen())
                }
                ), Xi.POINTERDOUBLETAP, !1),
                this._onVRDisplayChangedBind = function(e) {
                    return i._onVRDisplayChanged(e)
                }
                ,
                this._onVrDisplayPresentChangeBind = function() {
                    return i._onVrDisplayPresentChange()
                }
                ,
                this._onVRRequestPresentStart = function() {
                    i._webVRrequesting = !0,
                    i._updateButtonVisibility()
                }
                ,
                this._onVRRequestPresentComplete = function() {
                    i._webVRrequesting = !1,
                    i._updateButtonVisibility()
                }
                ,
                e.getEngine().onVRDisplayChangedObservable.add(this._onVRDisplayChangedBind),
                e.getEngine().onVRRequestPresentStart.add(this._onVRRequestPresentStart),
                e.getEngine().onVRRequestPresentComplete.add(this._onVRRequestPresentComplete),
                o.addEventListener("vrdisplaypresentchange", this._onVrDisplayPresentChangeBind),
                e.onDisposeObservable.add((function() {
                    i.dispose()
                }
                )),
                this._webVRCamera.onControllerMeshLoadedObservable.add((function(e) {
                    return i._onDefaultMeshLoaded(e)
                }
                )),
                this._scene.gamepadManager.onGamepadConnectedObservable.add(this._onNewGamepadConnected),
                this._scene.gamepadManager.onGamepadDisconnectedObservable.add(this._onNewGamepadDisconnected),
                this._updateButtonVisibility(),
                this._circleEase = new In,
                this._circleEase.setEasingMode(Mn.EASINGMODE_EASEINOUT),
                this._teleportationEasing = this._circleEase,
                e.onPointerObservable.add((function(t) {
                    i._interactionsEnabled && e.activeCamera === i.vrDeviceOrientationCamera && "mouse" === t.event.pointerType && (t.type === Xi.POINTERDOWN ? i._cameraGazer._selectionPointerDown() : t.type === Xi.POINTERUP && i._cameraGazer._selectionPointerUp())
                }
                )),
                this.webVROptions.floorMeshes && this.enableTeleportation({
                    floorMeshes: this.webVROptions.floorMeshes
                }))
            }
            ,
            e.prototype._onDefaultMeshLoaded = function(e) {
                this._leftController && this._leftController.webVRController == e && e.mesh && this._leftController._setLaserPointerParent(e.mesh),
                this._rightController && this._rightController.webVRController == e && e.mesh && this._rightController._setLaserPointerParent(e.mesh);
                try {
                    this.onControllerMeshLoadedObservable.notifyObservers(e)
                } catch (e) {
                    K.Warn("Error in your custom logic onControllerMeshLoaded: " + e)
                }
            }
            ,
            Object.defineProperty(e.prototype, "isInVRMode", {
                get: function() {
                    return this.xr && this.webVROptions.useXR && this.xr.baseExperience.state === Ns.IN_XR || this._webVRpresenting || this._fullscreenVRpresenting
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._onVrDisplayPresentChange = function() {
                var e = this._scene.getEngine().getVRDevice();
                if (e) {
                    var t = this._webVRpresenting;
                    this._webVRpresenting = e.isPresenting,
                    t && !this._webVRpresenting && this.exitVR()
                } else
                    K.Warn("Detected VRDisplayPresentChange on an unknown VRDisplay. Did you can enterVR on the vrExperienceHelper?");
                this._updateButtonVisibility()
            }
            ,
            e.prototype._onVRDisplayChanged = function(e) {
                this._webVRsupported = e.vrSupported,
                this._webVRready = !!e.vrDisplay,
                this._webVRpresenting = e.vrDisplay && e.vrDisplay.isPresenting,
                this._updateButtonVisibility()
            }
            ,
            e.prototype._moveButtonToBottomRight = function() {
                if (this._inputElement && !this._useCustomVRButton && this._btnVR) {
                    var e = this._inputElement.getBoundingClientRect();
                    this._btnVR.style.top = e.top + e.height - 70 + "px",
                    this._btnVR.style.left = e.left + e.width - 100 + "px"
                }
            }
            ,
            e.prototype._displayVRButton = function() {
                this._useCustomVRButton || this._btnVRDisplayed || !this._btnVR || (document.body.appendChild(this._btnVR),
                this._btnVRDisplayed = !0)
            }
            ,
            e.prototype._updateButtonVisibility = function() {
                this._btnVR && !this._useCustomVRButton && (this._btnVR.className = "babylonVRicon",
                this.isInVRMode ? this._btnVR.className += " vrdisplaypresenting" : (this._webVRready && (this._btnVR.className += " vrdisplayready"),
                this._webVRsupported && (this._btnVR.className += " vrdisplaysupported"),
                this._webVRrequesting && (this._btnVR.className += " vrdisplayrequesting")))
            }
            ,
            e.prototype.enterVR = function() {
                var e = this;
                if (this.xr)
                    this.xr.baseExperience.enterXRAsync("immersive-vr", "local-floor", this.xr.renderTarget);
                else {
                    if (this.onEnteringVRObservable)
                        try {
                            this.onEnteringVRObservable.notifyObservers(this)
                        } catch (e) {
                            K.Warn("Error in your custom logic onEnteringVR: " + e)
                        }
                    if (this._scene.activeCamera) {
                        if (this._position = this._scene.activeCamera.position.clone(),
                        this.vrDeviceOrientationCamera && (this.vrDeviceOrientationCamera.rotation = C.FromRotationMatrix(this._scene.activeCamera.getWorldMatrix().getRotationMatrix()).toEulerAngles(),
                        this.vrDeviceOrientationCamera.angularSensibility = 2e3),
                        this.webVRCamera) {
                            var t = this.webVRCamera.deviceRotationQuaternion.toEulerAngles().y
                              , i = C.FromRotationMatrix(this._scene.activeCamera.getWorldMatrix().getRotationMatrix()).toEulerAngles().y - t
                              , n = this.webVRCamera.rotationQuaternion.toEulerAngles().y;
                            this.webVRCamera.rotationQuaternion = C.FromEulerAngles(0, n + i, 0)
                        }
                        this._existingCamera = this._scene.activeCamera,
                        this._existingCamera.angularSensibilityX && (this._cachedAngularSensibility.angularSensibilityX = this._existingCamera.angularSensibilityX,
                        this._existingCamera.angularSensibilityX = Number.MAX_VALUE),
                        this._existingCamera.angularSensibilityY && (this._cachedAngularSensibility.angularSensibilityY = this._existingCamera.angularSensibilityY,
                        this._existingCamera.angularSensibilityY = Number.MAX_VALUE),
                        this._existingCamera.angularSensibility && (this._cachedAngularSensibility.angularSensibility = this._existingCamera.angularSensibility,
                        this._existingCamera.angularSensibility = Number.MAX_VALUE)
                    }
                    this._webVRrequesting || (this._webVRready ? this._webVRpresenting || (this._scene.getEngine().onVRRequestPresentComplete.addOnce((function(t) {
                        e.onAfterEnteringVRObservable.notifyObservers({
                            success: t
                        })
                    }
                    )),
                    this._webVRCamera.position = this._position,
                    this._scene.activeCamera = this._webVRCamera) : this._vrDeviceOrientationCamera && (this._vrDeviceOrientationCamera.position = this._position,
                    this._scene.activeCamera && (this._vrDeviceOrientationCamera.minZ = this._scene.activeCamera.minZ),
                    this._scene.activeCamera = this._vrDeviceOrientationCamera,
                    this._scene.getEngine().enterFullscreen(this.requestPointerLockOnFullScreen),
                    this._updateButtonVisibility(),
                    this._vrDeviceOrientationCamera.onViewMatrixChangedObservable.addOnce((function() {
                        e.onAfterEnteringVRObservable.notifyObservers({
                            success: !0
                        })
                    }
                    ))),
                    this._scene.activeCamera && this._inputElement && this._scene.activeCamera.attachControl(),
                    this._interactionsEnabled && this._scene.registerBeforeRender(this._beforeRender),
                    this._displayLaserPointer && [this._leftController, this._rightController].forEach((function(e) {
                        e && e._activatePointer()
                    }
                    )),
                    this._hasEnteredVR = !0)
                }
            }
            ,
            e.prototype.exitVR = function() {
                if (this.xr)
                    this.xr.baseExperience.exitXRAsync();
                else if (this._hasEnteredVR) {
                    if (this.onExitingVRObservable)
                        try {
                            this.onExitingVRObservable.notifyObservers(this)
                        } catch (e) {
                            K.Warn("Error in your custom logic onExitingVR: " + e)
                        }
                    this._webVRpresenting && this._scene.getEngine().disableVR(),
                    this._scene.activeCamera && (this._position = this._scene.activeCamera.position.clone()),
                    this.vrDeviceOrientationCamera && (this.vrDeviceOrientationCamera.angularSensibility = Number.MAX_VALUE),
                    this._deviceOrientationCamera ? (this._deviceOrientationCamera.position = this._position,
                    this._scene.activeCamera = this._deviceOrientationCamera,
                    this._cachedAngularSensibility.angularSensibilityX && (this._deviceOrientationCamera.angularSensibilityX = this._cachedAngularSensibility.angularSensibilityX,
                    this._cachedAngularSensibility.angularSensibilityX = null),
                    this._cachedAngularSensibility.angularSensibilityY && (this._deviceOrientationCamera.angularSensibilityY = this._cachedAngularSensibility.angularSensibilityY,
                    this._cachedAngularSensibility.angularSensibilityY = null),
                    this._cachedAngularSensibility.angularSensibility && (this._deviceOrientationCamera.angularSensibility = this._cachedAngularSensibility.angularSensibility,
                    this._cachedAngularSensibility.angularSensibility = null)) : this._existingCamera && (this._existingCamera.position = this._position,
                    this._scene.activeCamera = this._existingCamera,
                    this._inputElement && this._scene.activeCamera.attachControl(),
                    this._cachedAngularSensibility.angularSensibilityX && (this._existingCamera.angularSensibilityX = this._cachedAngularSensibility.angularSensibilityX,
                    this._cachedAngularSensibility.angularSensibilityX = null),
                    this._cachedAngularSensibility.angularSensibilityY && (this._existingCamera.angularSensibilityY = this._cachedAngularSensibility.angularSensibilityY,
                    this._cachedAngularSensibility.angularSensibilityY = null),
                    this._cachedAngularSensibility.angularSensibility && (this._existingCamera.angularSensibility = this._cachedAngularSensibility.angularSensibility,
                    this._cachedAngularSensibility.angularSensibility = null)),
                    this._updateButtonVisibility(),
                    this._interactionsEnabled && (this._scene.unregisterBeforeRender(this._beforeRender),
                    this._cameraGazer._gazeTracker.isVisible = !1,
                    this._leftController && (this._leftController._gazeTracker.isVisible = !1),
                    this._rightController && (this._rightController._gazeTracker.isVisible = !1)),
                    this._scene.getEngine().resize(),
                    [this._leftController, this._rightController].forEach((function(e) {
                        e && e._deactivatePointer()
                    }
                    )),
                    this._hasEnteredVR = !1;
                    var e = this._scene.getEngine();
                    e._onVrDisplayPresentChange && e._onVrDisplayPresentChange()
                }
            }
            ,
            Object.defineProperty(e.prototype, "position", {
                get: function() {
                    return this._position
                },
                set: function(e) {
                    this._position = e,
                    this._scene.activeCamera && (this._scene.activeCamera.position = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.enableInteractions = function() {
                var e = this;
                if (!this._interactionsEnabled) {
                    if (this._interactionsRequested = !0,
                    this.xr)
                        return void (this.xr.baseExperience.state === Ns.IN_XR && this.xr.pointerSelection.attach());
                    this._leftController && this._enableInteractionOnController(this._leftController),
                    this._rightController && this._enableInteractionOnController(this._rightController),
                    this.raySelectionPredicate = function(t) {
                        return t.isVisible && (t.isPickable || t.name === e._floorMeshName)
                    }
                    ,
                    this.meshSelectionPredicate = function() {
                        return !0
                    }
                    ,
                    this._raySelectionPredicate = function(t) {
                        return !!(e._isTeleportationFloor(t) || -1 === t.name.indexOf("gazeTracker") && -1 === t.name.indexOf("teleportationTarget") && -1 === t.name.indexOf("torusTeleportation")) && e.raySelectionPredicate(t)
                    }
                    ,
                    this._interactionsEnabled = !0
                }
            }
            ,
            Object.defineProperty(e.prototype, "_noControllerIsActive", {
                get: function() {
                    return !(this._leftController && this._leftController._activePointer || this._rightController && this._rightController._activePointer)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._isTeleportationFloor = function(e) {
                for (var t = 0; t < this._floorMeshesCollection.length; t++)
                    if (this._floorMeshesCollection[t].id === e.id)
                        return !0;
                return !(!this._floorMeshName || e.name !== this._floorMeshName)
            }
            ,
            e.prototype.addFloorMesh = function(e) {
                this._floorMeshesCollection && (this._floorMeshesCollection.indexOf(e) > -1 || this._floorMeshesCollection.push(e))
            }
            ,
            e.prototype.removeFloorMesh = function(e) {
                if (this._floorMeshesCollection) {
                    var t = this._floorMeshesCollection.indexOf(e);
                    -1 !== t && this._floorMeshesCollection.splice(t, 1)
                }
            }
            ,
            e.prototype.enableTeleportation = function(e) {
                var t = this;
                if (void 0 === e && (e = {}),
                !this._teleportationInitialized) {
                    if (this._teleportationRequested = !0,
                    this.enableInteractions(),
                    this.webVROptions.useXR && (e.floorMeshes || e.floorMeshName)) {
                        var i = e.floorMeshes || [];
                        if (!i.length) {
                            var n = this._scene.getMeshByName(e.floorMeshName);
                            n && i.push(n)
                        }
                        if (this.xr)
                            return i.forEach((function(e) {
                                t.xr.teleportation.addFloorMesh(e)
                            }
                            )),
                            void (this.xr.teleportation.attached || this.xr.teleportation.attach());
                        if (!this.xrTestDone) {
                            var r = function() {
                                t.xrTestDone && (t._scene.unregisterBeforeRender(r),
                                t.xr ? t.xr.teleportation.attached || t.xr.teleportation.attach() : t.enableTeleportation(e))
                            };
                            return void this._scene.registerBeforeRender(r)
                        }
                    }
                    e.floorMeshName && (this._floorMeshName = e.floorMeshName),
                    e.floorMeshes && (this._floorMeshesCollection = e.floorMeshes),
                    e.teleportationMode && (this._teleportationMode = e.teleportationMode),
                    e.teleportationTime && e.teleportationTime > 0 && (this._teleportationTime = e.teleportationTime),
                    e.teleportationSpeed && e.teleportationSpeed > 0 && (this._teleportationSpeed = e.teleportationSpeed),
                    void 0 !== e.easingFunction && (this._teleportationEasing = e.easingFunction),
                    null != this._leftController && this._enableTeleportationOnController(this._leftController),
                    null != this._rightController && this._enableTeleportationOnController(this._rightController);
                    var o = new Ri;
                    o.vignetteColor = new N(0,0,0,0),
                    o.vignetteEnabled = !0,
                    this._postProcessMove = new Fs("postProcessMove",1,this._webVRCamera,void 0,void 0,void 0,void 0,o),
                    this._webVRCamera.detachPostProcess(this._postProcessMove),
                    this._teleportationInitialized = !0,
                    this._isDefaultTeleportationTarget && (this._createTeleportationCircles(),
                    this._teleportationTarget.scaling.scaleInPlace(this._webVRCamera.deviceScaleFactor))
                }
            }
            ,
            e.prototype._enableInteractionOnController = function(e) {
                var t = this;
                e.webVRController.mesh && (e._interactionsEnabled = !0,
                this.isInVRMode && this._displayLaserPointer && e._activatePointer(),
                this.webVROptions.laserToggle && e.webVRController.onMainButtonStateChangedObservable.add((function(i) {
                    t._displayLaserPointer && 1 === i.value && (e._activePointer ? e._deactivatePointer() : e._activatePointer(),
                    t.displayGaze && (e._gazeTracker.isVisible = e._activePointer))
                }
                )),
                e.webVRController.onTriggerStateChangedObservable.add((function(i) {
                    var n = e;
                    t._noControllerIsActive && (n = t._cameraGazer),
                    n._pointerDownOnMeshAsked ? i.value < t._padSensibilityDown && n._selectionPointerUp() : i.value > t._padSensibilityUp && n._selectionPointerDown()
                }
                )))
            }
            ,
            e.prototype._checkTeleportWithRay = function(e, t) {
                this._teleportationRequestInitiated && !t._teleportationRequestInitiated || (t._teleportationRequestInitiated ? Math.sqrt(e.y * e.y + e.x * e.x) < this._padSensibilityDown && (this._teleportActive && this.teleportCamera(this._haloCenter),
                t._teleportationRequestInitiated = !1) : e.y < -this._padSensibilityUp && t._dpadPressed && (t._activatePointer(),
                t._teleportationRequestInitiated = !0))
            }
            ,
            e.prototype._checkRotate = function(e, t) {
                t._teleportationRequestInitiated || (t._rotationLeftAsked ? e.x > -this._padSensibilityDown && (t._rotationLeftAsked = !1) : e.x < -this._padSensibilityUp && t._dpadPressed && (t._rotationLeftAsked = !0,
                this._rotationAllowed && this._rotateCamera(!1)),
                t._rotationRightAsked ? e.x < this._padSensibilityDown && (t._rotationRightAsked = !1) : e.x > this._padSensibilityUp && t._dpadPressed && (t._rotationRightAsked = !0,
                this._rotationAllowed && this._rotateCamera(!0)))
            }
            ,
            e.prototype._checkTeleportBackwards = function(e, t) {
                if (!t._teleportationRequestInitiated)
                    if (e.y > this._padSensibilityUp && t._dpadPressed) {
                        if (!t._teleportationBackRequestInitiated) {
                            if (!this.currentVRCamera)
                                return;
                            var i = C.FromRotationMatrix(this.currentVRCamera.getWorldMatrix().getRotationMatrix())
                              , n = this.currentVRCamera.position;
                            this.currentVRCamera.devicePosition && this.currentVRCamera.deviceRotationQuaternion && (i = this.currentVRCamera.deviceRotationQuaternion,
                            n = this.currentVRCamera.devicePosition),
                            i.toEulerAnglesToRef(this._workingVector),
                            this._workingVector.z = 0,
                            this._workingVector.x = 0,
                            C.RotationYawPitchRollToRef(this._workingVector.y, this._workingVector.x, this._workingVector.z, this._workingQuaternion),
                            this._workingQuaternion.toRotationMatrix(this._workingMatrix),
                            x.TransformCoordinatesToRef(this._teleportBackwardsVector, this._workingMatrix, this._workingVector);
                            var r = new _o(n,this._workingVector)
                              , o = this._scene.pickWithRay(r, this._raySelectionPredicate);
                            o && o.pickedPoint && o.pickedMesh && this._isTeleportationFloor(o.pickedMesh) && o.distance < 5 && this.teleportCamera(o.pickedPoint),
                            t._teleportationBackRequestInitiated = !0
                        }
                    } else
                        t._teleportationBackRequestInitiated = !1
            }
            ,
            e.prototype._enableTeleportationOnController = function(e) {
                var t = this;
                e.webVRController.mesh && (e._interactionsEnabled || this._enableInteractionOnController(e),
                e._interactionsEnabled = !0,
                e._teleportationEnabled = !0,
                e.webVRController.controllerType === ba.VIVE && (e._dpadPressed = !1,
                e.webVRController.onPadStateChangedObservable.add((function(t) {
                    e._dpadPressed = t.pressed,
                    e._dpadPressed || (e._rotationLeftAsked = !1,
                    e._rotationRightAsked = !1,
                    e._teleportationBackRequestInitiated = !1)
                }
                ))),
                e.webVRController.onPadValuesChangedObservable.add((function(i) {
                    t.teleportationEnabled && (t._checkTeleportBackwards(i, e),
                    t._checkTeleportWithRay(i, e)),
                    t._checkRotate(i, e)
                }
                )))
            }
            ,
            e.prototype._createTeleportationCircles = function() {
                this._teleportationTarget = il("teleportationTarget", {
                    width: 2,
                    height: 2,
                    subdivisions: 2
                }, this._scene),
                this._teleportationTarget.isPickable = !1;
                var e = new Ds("DynamicTexture",512,this._scene,!0);
                e.hasAlpha = !0;
                var t = e.getContext();
                t.beginPath(),
                t.arc(256, 256, 200, 0, 2 * Math.PI, !1),
                t.fillStyle = this._teleportationFillColor,
                t.fill(),
                t.lineWidth = 10,
                t.strokeStyle = this._teleportationBorderColor,
                t.stroke(),
                t.closePath(),
                e.update();
                var i = new Os("TextPlaneMaterial",this._scene);
                i.diffuseTexture = e,
                this._teleportationTarget.material = i;
                var n = qs("torusTeleportation", {
                    diameter: .75,
                    thickness: .1,
                    tessellation: 25,
                    updatable: !1
                }, this._scene);
                n.isPickable = !1,
                n.parent = this._teleportationTarget;
                var r = new Qe("animationInnerCircle","position.y",30,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CYCLE)
                  , o = [];
                o.push({
                    frame: 0,
                    value: 0
                }),
                o.push({
                    frame: 30,
                    value: .4
                }),
                o.push({
                    frame: 60,
                    value: 0
                }),
                r.setKeys(o);
                var a = new kn;
                a.setEasingMode(Mn.EASINGMODE_EASEINOUT),
                r.setEasingFunction(a),
                n.animations = [],
                n.animations.push(r),
                this._scene.beginAnimation(n, 0, 60, !0),
                this._hideTeleportationTarget()
            }
            ,
            e.prototype._displayTeleportationTarget = function() {
                this._teleportActive = !0,
                this._teleportationInitialized && (this._teleportationTarget.isVisible = !0,
                this._isDefaultTeleportationTarget && (this._teleportationTarget.getChildren()[0].isVisible = !0))
            }
            ,
            e.prototype._hideTeleportationTarget = function() {
                this._teleportActive = !1,
                this._teleportationInitialized && (this._teleportationTarget.isVisible = !1,
                this._isDefaultTeleportationTarget && (this._teleportationTarget.getChildren()[0].isVisible = !1))
            }
            ,
            e.prototype._rotateCamera = function(e) {
                var t = this;
                if (this.currentVRCamera instanceof pa) {
                    e ? this._rotationAngle++ : this._rotationAngle--,
                    this.currentVRCamera.animations = [];
                    var i = C.FromRotationMatrix(P.RotationY(Math.PI / 4 * this._rotationAngle))
                      , n = new Qe("animationRotation","rotationQuaternion",90,Qe.ANIMATIONTYPE_QUATERNION,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , r = [];
                    r.push({
                        frame: 0,
                        value: this.currentVRCamera.rotationQuaternion
                    }),
                    r.push({
                        frame: 6,
                        value: i
                    }),
                    n.setKeys(r),
                    n.setEasingFunction(this._circleEase),
                    this.currentVRCamera.animations.push(n),
                    this._postProcessMove.animations = [];
                    var o = new Qe("animationPP","vignetteWeight",90,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , a = [];
                    a.push({
                        frame: 0,
                        value: 0
                    }),
                    a.push({
                        frame: 3,
                        value: 4
                    }),
                    a.push({
                        frame: 6,
                        value: 0
                    }),
                    o.setKeys(a),
                    o.setEasingFunction(this._circleEase),
                    this._postProcessMove.animations.push(o);
                    var s = new Qe("animationPP2","vignetteStretch",90,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , l = [];
                    l.push({
                        frame: 0,
                        value: 0
                    }),
                    l.push({
                        frame: 3,
                        value: 10
                    }),
                    l.push({
                        frame: 6,
                        value: 0
                    }),
                    s.setKeys(l),
                    s.setEasingFunction(this._circleEase),
                    this._postProcessMove.animations.push(s),
                    this._postProcessMove.imageProcessingConfiguration.vignetteWeight = 0,
                    this._postProcessMove.imageProcessingConfiguration.vignetteStretch = 0,
                    this._postProcessMove.samples = 4,
                    this._webVRCamera.attachPostProcess(this._postProcessMove),
                    this._scene.beginAnimation(this._postProcessMove, 0, 6, !1, 1, (function() {
                        t._webVRCamera.detachPostProcess(t._postProcessMove)
                    }
                    )),
                    this._scene.beginAnimation(this.currentVRCamera, 0, 6, !1, 1)
                }
            }
            ,
            e.prototype._moveTeleportationSelectorTo = function(e, t, i) {
                if (e.pickedPoint) {
                    t._teleportationRequestInitiated && (this._displayTeleportationTarget(),
                    this._haloCenter.copyFrom(e.pickedPoint),
                    this._teleportationTarget.position.copyFrom(e.pickedPoint));
                    var n = this._convertNormalToDirectionOfRay(e.getNormal(!0, !1), i);
                    if (n) {
                        var r = x.Cross(vn.Y, n)
                          , o = x.Cross(n, r);
                        x.RotationFromAxisToRef(o, n, r, this._teleportationTarget.rotation)
                    }
                    this._teleportationTarget.position.y += .1
                }
            }
            ,
            e.prototype.teleportCamera = function(t) {
                var i = this;
                if (this.currentVRCamera instanceof pa) {
                    var n, r;
                    if (this.webVRCamera.leftCamera ? (this._workingVector.copyFrom(this.webVRCamera.leftCamera.globalPosition),
                    this._workingVector.subtractInPlace(this.webVRCamera.position),
                    t.subtractToRef(this._workingVector, this._workingVector)) : this._workingVector.copyFrom(t),
                    this.isInVRMode ? this._workingVector.y += this.webVRCamera.deviceDistanceToRoomGround() * this._webVRCamera.deviceScaleFactor : this._workingVector.y += this._defaultHeight,
                    this.onBeforeCameraTeleport.notifyObservers(this._workingVector),
                    this._teleportationMode == e.TELEPORTATIONMODE_CONSTANTSPEED) {
                        r = 90;
                        var o = x.Distance(this.currentVRCamera.position, this._workingVector);
                        n = this._teleportationSpeed / o
                    } else
                        r = Math.round(90 * this._teleportationTime / 1e3),
                        n = 1;
                    this.currentVRCamera.animations = [];
                    var a = new Qe("animationCameraTeleportation","position",90,Qe.ANIMATIONTYPE_VECTOR3,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , s = [{
                        frame: 0,
                        value: this.currentVRCamera.position
                    }, {
                        frame: r,
                        value: this._workingVector
                    }];
                    a.setKeys(s),
                    a.setEasingFunction(this._teleportationEasing),
                    this.currentVRCamera.animations.push(a),
                    this._postProcessMove.animations = [];
                    var l = Math.round(r / 2)
                      , c = new Qe("animationPP","vignetteWeight",90,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , u = [];
                    u.push({
                        frame: 0,
                        value: 0
                    }),
                    u.push({
                        frame: l,
                        value: 8
                    }),
                    u.push({
                        frame: r,
                        value: 0
                    }),
                    c.setKeys(u),
                    this._postProcessMove.animations.push(c);
                    var h = new Qe("animationPP2","vignetteStretch",90,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CONSTANT)
                      , d = [];
                    d.push({
                        frame: 0,
                        value: 0
                    }),
                    d.push({
                        frame: l,
                        value: 10
                    }),
                    d.push({
                        frame: r,
                        value: 0
                    }),
                    h.setKeys(d),
                    this._postProcessMove.animations.push(h),
                    this._postProcessMove.imageProcessingConfiguration.vignetteWeight = 0,
                    this._postProcessMove.imageProcessingConfiguration.vignetteStretch = 0,
                    this._webVRCamera.attachPostProcess(this._postProcessMove),
                    this._scene.beginAnimation(this._postProcessMove, 0, r, !1, n, (function() {
                        i._webVRCamera.detachPostProcess(i._postProcessMove)
                    }
                    )),
                    this._scene.beginAnimation(this.currentVRCamera, 0, r, !1, n, (function() {
                        i.onAfterCameraTeleport.notifyObservers(i._workingVector)
                    }
                    )),
                    this._hideTeleportationTarget()
                }
            }
            ,
            e.prototype._convertNormalToDirectionOfRay = function(e, t) {
                return e && Math.acos(x.Dot(e, t.direction)) < Math.PI / 2 && e.scaleInPlace(-1),
                e
            }
            ,
            e.prototype._castRayAndSelectObject = function(e) {
                if (this.currentVRCamera instanceof pa) {
                    var t = e._getForwardRay(this._rayLength)
                      , i = this._scene.pickWithRay(t, this._raySelectionPredicate);
                    if (i && this._scene.simulatePointerMove(i, {
                        pointerId: e._id
                    }),
                    e._currentHit = i,
                    i && i.pickedPoint) {
                        if (this._displayGaze) {
                            var n = 1;
                            e._gazeTracker.isVisible = !0,
                            e._isActionableMesh && (n = 3),
                            this.updateGazeTrackerScale && (e._gazeTracker.scaling.x = i.distance * n,
                            e._gazeTracker.scaling.y = i.distance * n,
                            e._gazeTracker.scaling.z = i.distance * n);
                            var r = this._convertNormalToDirectionOfRay(i.getNormal(), t)
                              , o = .002;
                            if (r) {
                                var a = x.Cross(vn.Y, r)
                                  , s = x.Cross(r, a);
                                x.RotationFromAxisToRef(s, r, a, e._gazeTracker.rotation)
                            }
                            e._gazeTracker.position.copyFrom(i.pickedPoint),
                            e._gazeTracker.position.x < 0 ? e._gazeTracker.position.x += o : e._gazeTracker.position.x -= o,
                            e._gazeTracker.position.y < 0 ? e._gazeTracker.position.y += o : e._gazeTracker.position.y -= o,
                            e._gazeTracker.position.z < 0 ? e._gazeTracker.position.z += o : e._gazeTracker.position.z -= o
                        }
                        e._updatePointerDistance(i.distance)
                    } else
                        e._updatePointerDistance(),
                        e._gazeTracker.isVisible = !1;
                    if (i && i.pickedMesh) {
                        if (this._teleportationInitialized && this._isTeleportationFloor(i.pickedMesh) && i.pickedPoint)
                            return e._currentMeshSelected && !this._isTeleportationFloor(e._currentMeshSelected) && this._notifySelectedMeshUnselected(e._currentMeshSelected),
                            e._currentMeshSelected = null,
                            void (e._teleportationRequestInitiated && this._moveTeleportationSelectorTo(i, e, t));
                        if (i.pickedMesh !== e._currentMeshSelected)
                            if (this.meshSelectionPredicate(i.pickedMesh)) {
                                this.onNewMeshPicked.notifyObservers(i),
                                e._currentMeshSelected = i.pickedMesh,
                                i.pickedMesh.isPickable && i.pickedMesh.actionManager ? (this.changeGazeColor(this._pickedGazeColor),
                                this.changeLaserColor(this._pickedLaserColor),
                                e._isActionableMesh = !0) : (this.changeGazeColor(this._gazeColor),
                                this.changeLaserColor(this._laserColor),
                                e._isActionableMesh = !1);
                                try {
                                    this.onNewMeshSelected.notifyObservers(i.pickedMesh);
                                    var l = e;
                                    l.webVRController && this.onMeshSelectedWithController.notifyObservers({
                                        mesh: i.pickedMesh,
                                        controller: l.webVRController
                                    })
                                } catch (e) {
                                    K.Warn("Error while raising onNewMeshSelected or onMeshSelectedWithController: " + e)
                                }
                            } else
                                this._notifySelectedMeshUnselected(e._currentMeshSelected),
                                e._currentMeshSelected = null,
                                this.changeGazeColor(this._gazeColor),
                                this.changeLaserColor(this._laserColor)
                    } else
                        this._notifySelectedMeshUnselected(e._currentMeshSelected),
                        e._currentMeshSelected = null,
                        this.changeGazeColor(this._gazeColor),
                        this.changeLaserColor(this._laserColor)
                }
            }
            ,
            e.prototype._notifySelectedMeshUnselected = function(e) {
                e && this.onSelectedMeshUnselected.notifyObservers(e)
            }
            ,
            e.prototype.setLaserColor = function(e, t) {
                void 0 === t && (t = this._pickedLaserColor),
                this._laserColor = e,
                this._pickedLaserColor = t
            }
            ,
            e.prototype.setLaserLightingState = function(e) {
                void 0 === e && (e = !0),
                this._leftController && this._leftController._setLaserPointerLightingDisabled(!e),
                this._rightController && this._rightController._setLaserPointerLightingDisabled(!e)
            }
            ,
            e.prototype.setGazeColor = function(e, t) {
                void 0 === t && (t = this._pickedGazeColor),
                this._gazeColor = e,
                this._pickedGazeColor = t
            }
            ,
            e.prototype.changeLaserColor = function(e) {
                this.updateControllerLaserColor && (this._leftController && this._leftController._setLaserPointerColor(e),
                this._rightController && this._rightController._setLaserPointerColor(e))
            }
            ,
            e.prototype.changeGazeColor = function(e) {
                this.updateGazeTrackerColor && this._cameraGazer._gazeTracker.material && (this._cameraGazer._gazeTracker.material.emissiveColor = e,
                this._leftController && (this._leftController._gazeTracker.material.emissiveColor = e),
                this._rightController && (this._rightController._gazeTracker.material.emissiveColor = e))
            }
            ,
            e.prototype.dispose = function() {
                this.isInVRMode && this.exitVR(),
                this._postProcessMove && this._postProcessMove.dispose(),
                this._webVRCamera && this._webVRCamera.dispose(),
                this._vrDeviceOrientationCamera && this._vrDeviceOrientationCamera.dispose(),
                !this._useCustomVRButton && this._btnVR && this._btnVR.parentNode && document.body.removeChild(this._btnVR),
                this._deviceOrientationCamera && this._scene.activeCamera != this._deviceOrientationCamera && this._deviceOrientationCamera.dispose(),
                this._cameraGazer && this._cameraGazer.dispose(),
                this._leftController && this._leftController.dispose(),
                this._rightController && this._rightController.dispose(),
                this._teleportationTarget && this._teleportationTarget.dispose(),
                this.xr && this.xr.dispose(),
                this._floorMeshesCollection = [],
                document.removeEventListener("keydown", this._onKeyDown),
                window.removeEventListener("vrdisplaypresentchange", this._onVrDisplayPresentChangeBind),
                window.removeEventListener("resize", this._onResize),
                document.removeEventListener("fullscreenchange", this._onFullscreenChange),
                document.removeEventListener("mozfullscreenchange", this._onFullscreenChange),
                document.removeEventListener("webkitfullscreenchange", this._onFullscreenChange),
                document.removeEventListener("msfullscreenchange", this._onFullscreenChange),
                document.onmsfullscreenchange = null,
                this._scene.getEngine().onVRDisplayChangedObservable.removeCallback(this._onVRDisplayChangedBind),
                this._scene.getEngine().onVRRequestPresentStart.removeCallback(this._onVRRequestPresentStart),
                this._scene.getEngine().onVRRequestPresentComplete.removeCallback(this._onVRRequestPresentComplete),
                this._scene.gamepadManager.onGamepadConnectedObservable.removeCallback(this._onNewGamepadConnected),
                this._scene.gamepadManager.onGamepadDisconnectedObservable.removeCallback(this._onNewGamepadDisconnected),
                this._scene.unregisterBeforeRender(this._beforeRender)
            }
            ,
            e.prototype.getClassName = function() {
                return "VRExperienceHelper"
            }
            ,
            e.TELEPORTATIONMODE_CONSTANTTIME = 0,
            e.TELEPORTATIONMODE_CONSTANTSPEED = 1,
            e
        }(), dl = (al = {
            root: 0,
            found: !1
        },
        function(e, t, i, n) {
            al.root = 0,
            al.found = !1;
            var r = t * t - 4 * e * i;
            if (r < 0)
                return al;
            var o = Math.sqrt(r)
              , a = (-t - o) / (2 * e)
              , s = (-t + o) / (2 * e);
            if (a > s) {
                var l = s;
                s = a,
                a = l
            }
            return a > 0 && a < n ? (al.root = a,
            al.found = !0,
            al) : s > 0 && s < n ? (al.root = s,
            al.found = !0,
            al) : al
        }
        ), pl = function() {
            function e() {
                this._collisionPoint = x.Zero(),
                this._planeIntersectionPoint = x.Zero(),
                this._tempVector = x.Zero(),
                this._tempVector2 = x.Zero(),
                this._tempVector3 = x.Zero(),
                this._tempVector4 = x.Zero(),
                this._edge = x.Zero(),
                this._baseToVertex = x.Zero(),
                this._destinationPoint = x.Zero(),
                this._slidePlaneNormal = x.Zero(),
                this._displacementVector = x.Zero(),
                this._radius = x.One(),
                this._retry = 0,
                this._basePointWorld = x.Zero(),
                this._velocityWorld = x.Zero(),
                this._normalizedVelocity = x.Zero(),
                this._collisionMask = -1
            }
            return Object.defineProperty(e.prototype, "collisionMask", {
                get: function() {
                    return this._collisionMask
                },
                set: function(e) {
                    this._collisionMask = isNaN(e) ? -1 : e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "slidePlaneNormal", {
                get: function() {
                    return this._slidePlaneNormal
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._initialize = function(e, t, i) {
                this._velocity = t,
                this._velocitySquaredLength = this._velocity.lengthSquared();
                var n = Math.sqrt(this._velocitySquaredLength);
                0 === n || 1 === n ? this._normalizedVelocity.copyFromFloats(t._x, t._y, t._z) : t.scaleToRef(1 / n, this._normalizedVelocity),
                this._basePoint = e,
                e.multiplyToRef(this._radius, this._basePointWorld),
                t.multiplyToRef(this._radius, this._velocityWorld),
                this._velocityWorldLength = this._velocityWorld.length(),
                this._epsilon = i,
                this.collisionFound = !1
            }
            ,
            e.prototype._checkPointInTriangle = function(e, t, i, n, r) {
                t.subtractToRef(e, this._tempVector),
                i.subtractToRef(e, this._tempVector2),
                x.CrossToRef(this._tempVector, this._tempVector2, this._tempVector4);
                var o = x.Dot(this._tempVector4, r);
                return !(o < 0) && (n.subtractToRef(e, this._tempVector3),
                x.CrossToRef(this._tempVector2, this._tempVector3, this._tempVector4),
                !((o = x.Dot(this._tempVector4, r)) < 0) && (x.CrossToRef(this._tempVector3, this._tempVector, this._tempVector4),
                (o = x.Dot(this._tempVector4, r)) >= 0))
            }
            ,
            e.prototype._canDoCollision = function(e, t, i, n) {
                var r = x.Distance(this._basePointWorld, e)
                  , o = Math.max(this._radius.x, this._radius.y, this._radius.z);
                return !(r > this._velocityWorldLength + o + t || !function(e, t, i, n) {
                    return !(e.x > i.x + n || i.x - n > t.x || e.y > i.y + n || i.y - n > t.y || e.z > i.z + n || i.z - n > t.z)
                }(i, n, this._basePointWorld, this._velocityWorldLength + o))
            }
            ,
            e.prototype._testTriangle = function(e, t, i, n, r, o, a) {
                var s, l = !1;
                t || (t = []),
                t[e] || (t[e] = new hn(0,0,0,0),
                t[e].copyFromPoints(i, n, r));
                var c = t[e];
                if (o || c.isFrontFacingTo(this._normalizedVelocity, 0)) {
                    var u = c.signedDistanceTo(this._basePoint)
                      , h = x.Dot(c.normal, this._velocity);
                    if (0 == h) {
                        if (Math.abs(u) >= 1)
                            return;
                        l = !0,
                        s = 0
                    } else {
                        var d = (1 - u) / h;
                        if ((s = (-1 - u) / h) > d) {
                            var p = d;
                            d = s,
                            s = p
                        }
                        if (s > 1 || d < 0)
                            return;
                        s < 0 && (s = 0),
                        s > 1 && (s = 1)
                    }
                    this._collisionPoint.copyFromFloats(0, 0, 0);
                    var f = !1
                      , _ = 1;
                    if (l || (this._basePoint.subtractToRef(c.normal, this._planeIntersectionPoint),
                    this._velocity.scaleToRef(s, this._tempVector),
                    this._planeIntersectionPoint.addInPlace(this._tempVector),
                    this._checkPointInTriangle(this._planeIntersectionPoint, i, n, r, c.normal) && (f = !0,
                    _ = s,
                    this._collisionPoint.copyFrom(this._planeIntersectionPoint))),
                    !f) {
                        var m = this._velocitySquaredLength;
                        this._basePoint.subtractToRef(i, this._tempVector);
                        var g = 2 * x.Dot(this._velocity, this._tempVector)
                          , v = this._tempVector.lengthSquared() - 1
                          , y = dl(m, g, v, _);
                        y.found && (_ = y.root,
                        f = !0,
                        this._collisionPoint.copyFrom(i)),
                        this._basePoint.subtractToRef(n, this._tempVector),
                        g = 2 * x.Dot(this._velocity, this._tempVector),
                        v = this._tempVector.lengthSquared() - 1,
                        (y = dl(m, g, v, _)).found && (_ = y.root,
                        f = !0,
                        this._collisionPoint.copyFrom(n)),
                        this._basePoint.subtractToRef(r, this._tempVector),
                        g = 2 * x.Dot(this._velocity, this._tempVector),
                        v = this._tempVector.lengthSquared() - 1,
                        (y = dl(m, g, v, _)).found && (_ = y.root,
                        f = !0,
                        this._collisionPoint.copyFrom(r)),
                        n.subtractToRef(i, this._edge),
                        i.subtractToRef(this._basePoint, this._baseToVertex);
                        var b, T = this._edge.lengthSquared(), E = x.Dot(this._edge, this._velocity), S = x.Dot(this._edge, this._baseToVertex);
                        m = T * -this._velocitySquaredLength + E * E,
                        g = 2 * (T * x.Dot(this._velocity, this._baseToVertex) - E * S),
                        v = T * (1 - this._baseToVertex.lengthSquared()) + S * S,
                        (y = dl(m, g, v, _)).found && (b = (E * y.root - S) / T) >= 0 && b <= 1 && (_ = y.root,
                        f = !0,
                        this._edge.scaleInPlace(b),
                        i.addToRef(this._edge, this._collisionPoint)),
                        r.subtractToRef(n, this._edge),
                        n.subtractToRef(this._basePoint, this._baseToVertex),
                        T = this._edge.lengthSquared(),
                        E = x.Dot(this._edge, this._velocity),
                        S = x.Dot(this._edge, this._baseToVertex),
                        m = T * -this._velocitySquaredLength + E * E,
                        g = 2 * (T * x.Dot(this._velocity, this._baseToVertex) - E * S),
                        v = T * (1 - this._baseToVertex.lengthSquared()) + S * S,
                        (y = dl(m, g, v, _)).found && (b = (E * y.root - S) / T) >= 0 && b <= 1 && (_ = y.root,
                        f = !0,
                        this._edge.scaleInPlace(b),
                        n.addToRef(this._edge, this._collisionPoint)),
                        i.subtractToRef(r, this._edge),
                        r.subtractToRef(this._basePoint, this._baseToVertex),
                        T = this._edge.lengthSquared(),
                        E = x.Dot(this._edge, this._velocity),
                        S = x.Dot(this._edge, this._baseToVertex),
                        m = T * -this._velocitySquaredLength + E * E,
                        g = 2 * (T * x.Dot(this._velocity, this._baseToVertex) - E * S),
                        v = T * (1 - this._baseToVertex.lengthSquared()) + S * S,
                        (y = dl(m, g, v, _)).found && (b = (E * y.root - S) / T) >= 0 && b <= 1 && (_ = y.root,
                        f = !0,
                        this._edge.scaleInPlace(b),
                        r.addToRef(this._edge, this._collisionPoint))
                    }
                    if (f) {
                        var A = _ * _ * this._velocitySquaredLength;
                        (!this.collisionFound || A < this._nearestDistanceSquared) && (a.collisionResponse && (this.intersectionPoint ? this.intersectionPoint.copyFrom(this._collisionPoint) : this.intersectionPoint = this._collisionPoint.clone(),
                        this._nearestDistanceSquared = A,
                        this._nearestDistance = Math.sqrt(A),
                        this.collisionFound = !0),
                        this.collidedMesh = a)
                    }
                }
            }
            ,
            e.prototype._collide = function(e, t, i, n, r, o, a, s, l, c) {
                if (void 0 === c && (c = !1),
                c)
                    if (i && 0 !== i.length)
                        for (p = n; p < r - 2; p += 1) {
                            var u = i[p]
                              , h = i[p + 1]
                              , d = i[p + 2];
                            4294967295 !== d ? (f = t[u],
                            _ = t[h],
                            m = t[d],
                            f && _ && m && ((l ? 1 : 0) ^ p % 2 ? this._testTriangle(p, e, f, _, m, a, s) : this._testTriangle(p, e, _, f, m, a, s))) : p += 2
                        }
                    else
                        for (var p = 0; p < t.length - 2; p += 1) {
                            var f = t[p]
                              , _ = t[p + 1]
                              , m = t[p + 2];
                            f && _ && m && ((l ? 1 : 0) ^ p % 2 ? this._testTriangle(p, e, f, _, m, a, s) : this._testTriangle(p, e, _, f, m, a, s))
                        }
                else if (i && 0 !== i.length)
                    for (p = n; p < r; p += 3)
                        f = t[i[p] - o],
                        _ = t[i[p + 1] - o],
                        m = t[i[p + 2] - o],
                        l ? this._testTriangle(p, e, f, _, m, a, s) : this._testTriangle(p, e, m, _, f, a, s);
                else
                    for (p = 0; p < t.length; p += 3) {
                        f = t[p],
                        _ = t[p + 1],
                        m = t[p + 2];
                        l ? this._testTriangle(p, e, f, _, m, a, s) : this._testTriangle(p, e, m, _, f, a, s)
                    }
            }
            ,
            e.prototype._getResponse = function(e, t) {
                e.addToRef(t, this._destinationPoint),
                t.scaleInPlace(this._nearestDistance / t.length()),
                this._basePoint.addToRef(t, e),
                e.subtractToRef(this.intersectionPoint, this._slidePlaneNormal),
                this._slidePlaneNormal.normalize(),
                this._slidePlaneNormal.scaleToRef(this._epsilon, this._displacementVector),
                e.addInPlace(this._displacementVector),
                this.intersectionPoint.addInPlace(this._displacementVector),
                this._slidePlaneNormal.scaleInPlace(hn.SignedDistanceToPlaneFromPositionAndNormal(this.intersectionPoint, this._slidePlaneNormal, this._destinationPoint)),
                this._destinationPoint.subtractInPlace(this._slidePlaneNormal),
                this._destinationPoint.subtractToRef(this.intersectionPoint, t)
            }
            ,
            e
        }(), fl = function() {
            function e() {
                this._scaledPosition = x.Zero(),
                this._scaledVelocity = x.Zero(),
                this._finalPosition = x.Zero()
            }
            return e.prototype.getNewPosition = function(e, t, i, n, r, o, a) {
                e.divideToRef(i._radius, this._scaledPosition),
                t.divideToRef(i._radius, this._scaledVelocity),
                i.collidedMesh = null,
                i._retry = 0,
                i._initialVelocity = this._scaledVelocity,
                i._initialPosition = this._scaledPosition,
                this._collideWithWorld(this._scaledPosition, this._scaledVelocity, i, n, this._finalPosition, r),
                this._finalPosition.multiplyInPlace(i._radius),
                o(a, this._finalPosition, i.collidedMesh)
            }
            ,
            e.prototype.createCollider = function() {
                return new pl
            }
            ,
            e.prototype.init = function(e) {
                this._scene = e
            }
            ,
            e.prototype._collideWithWorld = function(e, t, i, n, r, o) {
                void 0 === o && (o = null);
                var a = 10 * vr.CollisionsEpsilon;
                if (i._retry >= n)
                    r.copyFrom(e);
                else {
                    var s = o ? o.collisionMask : i.collisionMask;
                    i._initialize(e, t, a);
                    for (var l = o && o.surroundingMeshes || this._scene.meshes, c = 0; c < l.length; c++) {
                        var u = l[c];
                        u.isEnabled() && u.checkCollisions && u.subMeshes && u !== o && 0 != (s & u.collisionGroup) && u._checkCollision(i)
                    }
                    i.collisionFound ? (0 === t.x && 0 === t.y && 0 === t.z || i._getResponse(e, t),
                    t.length() <= a ? r.copyFrom(e) : (i._retry++,
                    this._collideWithWorld(e, t, i, n, r, o))) : e.addToRef(t, r)
                }
            }
            ,
            e
        }();
        mn.CollisionCoordinatorFactory = function() {
            return new fl
        }
        ;
        var _l, ml = function() {
            function e(t, i, n, r) {
                void 0 === r && (r = "");
                var o, a, s, l = this;
                this.name = null,
                this.defines = "",
                this.onCompiled = null,
                this.onError = null,
                this.uniqueId = 0,
                this.onCompileObservable = new h,
                this.onErrorObservable = new h,
                this.onBindObservable = new h,
                this._wasPreviouslyReady = !1,
                this._isReady = !1,
                this._compilationError = "",
                this._key = "",
                this._computeSourceCodeOverride = "",
                this._pipelineContext = null,
                this._computeSourceCode = "",
                this._rawComputeSourceCode = "",
                this._shaderLanguage = st.WGSL,
                this.name = t,
                this._key = r,
                this._engine = n,
                this.uniqueId = e._UniqueIdSeed++,
                this.defines = null !== (o = i.defines) && void 0 !== o ? o : "",
                this.onError = i.onError,
                this.onCompiled = i.onCompiled,
                this._entryPoint = null !== (a = i.entryPoint) && void 0 !== a ? a : "main",
                this._shaderStore = Pt.GetShadersStore(this._shaderLanguage),
                this._shaderRepository = Pt.GetShadersRepository(this._shaderLanguage),
                this._includeShaderStore = Pt.GetIncludesShadersStore(this._shaderLanguage);
                var c = nt() ? this._engine.getHostDocument() : null;
                t.computeSource ? s = "source:" + t.computeSource : t.computeElement ? (s = c ? c.getElementById(t.computeElement) : null) || (s = t.computeElement) : s = t.compute || t;
                var u = {
                    defines: this.defines.split("\n"),
                    indexParameters: void 0,
                    isFragment: !1,
                    shouldUseHighPrecisionShader: !1,
                    processor: null,
                    supportsUniformBuffers: this._engine.supportsUniformBuffers,
                    shadersRepository: this._shaderRepository,
                    includesShadersStore: this._includeShaderStore,
                    version: (100 * this._engine.version).toString(),
                    platformName: this._engine.shaderPlatformName,
                    processingContext: null,
                    isNDCHalfZRange: this._engine.isNDCHalfZRange,
                    useReverseDepthBuffer: this._engine.useReverseDepthBuffer
                };
                this._loadShader(s, "Compute", "", (function(e) {
                    Ct.Initialize(u),
                    Ct.PreProcess(e, u, (function(n) {
                        l._rawComputeSourceCode = e,
                        i.processFinalCode && (n = i.processFinalCode(n));
                        var r = Ct.Finalize(n, "", u);
                        l._useFinalCode(r.vertexCode, t)
                    }
                    ), l._engine)
                }
                ))
            }
            return e.prototype._useFinalCode = function(e, t) {
                if (t) {
                    var i = t.computeElement || t.compute || t.spectorName || t;
                    this._computeSourceCode = "//#define SHADER_NAME compute:" + i + "\n" + e
                } else
                    this._computeSourceCode = e;
                this._prepareEffect()
            }
            ,
            Object.defineProperty(e.prototype, "key", {
                get: function() {
                    return this._key
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function() {
                try {
                    return this._isReadyInternal()
                } catch (e) {
                    return !1
                }
            }
            ,
            e.prototype._isReadyInternal = function() {
                return !!this._isReady || !!this._pipelineContext && this._pipelineContext.isReady
            }
            ,
            e.prototype.getEngine = function() {
                return this._engine
            }
            ,
            e.prototype.getPipelineContext = function() {
                return this._pipelineContext
            }
            ,
            e.prototype.getCompilationError = function() {
                return this._compilationError
            }
            ,
            e.prototype.executeWhenCompiled = function(e) {
                var t = this;
                this.isReady() ? e(this) : (this.onCompileObservable.add((function(t) {
                    e(t)
                }
                )),
                this._pipelineContext && !this._pipelineContext.isAsync || setTimeout((function() {
                    t._checkIsReady(null)
                }
                ), 16))
            }
            ,
            e.prototype._checkIsReady = function(e) {
                var t = this;
                try {
                    if (this._isReadyInternal())
                        return
                } catch (t) {
                    return void this._processCompilationErrors(t, e)
                }
                setTimeout((function() {
                    t._checkIsReady(e)
                }
                ), 16)
            }
            ,
            e.prototype._loadShader = function(e, t, i, n) {
                var r;
                "undefined" != typeof HTMLElement && e instanceof HTMLElement ? n(at(e)) : "source:" !== e.substr(0, 7) ? "base64:" !== e.substr(0, 7) ? this._shaderStore[e + t + "Shader"] ? n(this._shaderStore[e + t + "Shader"]) : i && this._shaderStore[e + i + "Shader"] ? n(this._shaderStore[e + i + "Shader"]) : (r = "." === e[0] || "/" === e[0] || e.indexOf("http") > -1 ? e : this._shaderRepository + e,
                this._engine._loadFile(r + "." + t.toLowerCase() + ".fx", n)) : n(window.atob(e.substr(7))) : n(e.substr(7))
            }
            ,
            Object.defineProperty(e.prototype, "computeSourceCode", {
                get: function() {
                    var e, t;
                    return this._computeSourceCodeOverride ? this._computeSourceCodeOverride : null !== (t = null === (e = this._pipelineContext) || void 0 === e ? void 0 : e._getComputeShaderCode()) && void 0 !== t ? t : this._computeSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rawComputeSourceCode", {
                get: function() {
                    return this._rawComputeSourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._prepareEffect = function() {
                var e = this
                  , t = this.defines
                  , i = this._pipelineContext;
                this._isReady = !1;
                try {
                    var n = this._engine;
                    this._pipelineContext = n.createComputePipelineContext(),
                    this._pipelineContext._name = this._key,
                    n._prepareComputePipelineContext(this._pipelineContext, this._computeSourceCodeOverride ? this._computeSourceCodeOverride : this._computeSourceCode, this._rawComputeSourceCode, this._computeSourceCodeOverride ? null : t, this._entryPoint),
                    n._executeWhenComputeStateIsCompiled(this._pipelineContext, (function() {
                        e._compilationError = "",
                        e._isReady = !0,
                        e.onCompiled && e.onCompiled(e),
                        e.onCompileObservable.notifyObservers(e),
                        e.onCompileObservable.clear(),
                        i && e.getEngine()._deleteComputePipelineContext(i)
                    }
                    )),
                    this._pipelineContext.isAsync && this._checkIsReady(i)
                } catch (e) {
                    this._processCompilationErrors(e, i)
                }
            }
            ,
            e.prototype._getShaderCodeAndErrorLine = function(e, t) {
                var i = null;
                if (t && e) {
                    var n = t.match(/COMPUTE SHADER ERROR: 0:(\d+?):/);
                    if (n && 2 === n.length) {
                        var r = parseInt(n[1])
                          , o = e.split("\n", -1);
                        o.length >= r && (i = "Offending line [".concat(r, "] in compute code: ").concat(o[r - 1]))
                    }
                }
                return [e, i]
            }
            ,
            e.prototype._processCompilationErrors = function(t, i) {
                var n, r;
                if (void 0 === i && (i = null),
                this._compilationError = t.message,
                K.Error("Unable to compile compute effect:"),
                K.Error("Defines:\r\n" + this.defines),
                e.LogShaderCodeOnCompilationError) {
                    var o = null
                      , a = null;
                    (null === (r = this._pipelineContext) || void 0 === r ? void 0 : r._getComputeShaderCode()) && (a = (n = this._getShaderCodeAndErrorLine(this._pipelineContext._getComputeShaderCode(), this._compilationError))[0],
                    o = n[1],
                    a && (K.Error("Compute code:"),
                    K.Error(a))),
                    o && K.Error(o)
                }
                K.Error("Error: " + this._compilationError),
                i && (this._pipelineContext = i,
                this._isReady = !0,
                this.onError && this.onError(this, this._compilationError),
                this.onErrorObservable.notifyObservers(this))
            }
            ,
            e.prototype.dispose = function() {
                this._pipelineContext && this._pipelineContext.dispose(),
                this._engine._releaseComputeEffect(this)
            }
            ,
            e.RegisterShader = function(e, t) {
                Pt.GetShadersStore(st.WGSL)["".concat(e, "ComputeShader")] = t
            }
            ,
            e._UniqueIdSeed = 0,
            e.LogShaderCodeOnCompilationError = !0,
            e
        }();
        !function(e) {
            e[e.Texture = 0] = "Texture",
            e[e.StorageTexture = 1] = "StorageTexture",
            e[e.UniformBuffer = 2] = "UniformBuffer",
            e[e.StorageBuffer = 3] = "StorageBuffer",
            e[e.TextureWithoutSampler = 4] = "TextureWithoutSampler",
            e[e.Sampler = 5] = "Sampler"
        }(_l || (_l = {})),
        Ht.prototype.createComputeEffect = function(e, t) {
            throw new Error("createComputeEffect: This engine does not support compute shaders!")
        }
        ,
        Ht.prototype.createComputePipelineContext = function() {
            throw new Error("createComputePipelineContext: This engine does not support compute shaders!")
        }
        ,
        Ht.prototype.createComputeContext = function() {}
        ,
        Ht.prototype.computeDispatch = function(e, t, i, n, r, o, a) {
            throw new Error("computeDispatch: This engine does not support compute shaders!")
        }
        ,
        Ht.prototype.areAllComputeEffectsReady = function() {
            return !0
        }
        ,
        Ht.prototype.releaseComputeEffects = function() {}
        ,
        Ht.prototype._prepareComputePipelineContext = function(e, t, i, n, r) {}
        ,
        Ht.prototype._rebuildComputeEffects = function() {}
        ,
        Ht.prototype._executeWhenComputeStateIsCompiled = function(e, t) {
            t()
        }
        ,
        Ht.prototype._releaseComputeEffect = function(e) {}
        ,
        Ht.prototype._deleteComputePipelineContext = function(e) {}
        ;
        var gl = function() {
            function e(e, t, i, n) {
                void 0 === n && (n = {}),
                this._bindings = {},
                this._samplers = {},
                this._contextIsDirty = !1,
                this.onCompiled = null,
                this.onError = null,
                this.name = e,
                this._engine = t,
                this.uniqueId = pn.UniqueId,
                this._engine.getCaps().supportComputeShaders ? n.bindingsMapping ? (this._context = t.createComputeContext(),
                this._shaderPath = i,
                this._options = V({
                    bindingsMapping: {},
                    defines: []
                }, n)) : K.Error("You must provide the binding mappings as browsers don't support reflection for wgsl shaders yet!") : K.Error("This engine does not support compute shaders!")
            }
            return Object.defineProperty(e.prototype, "options", {
                get: function() {
                    return this._options
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shaderPath", {
                get: function() {
                    return this._shaderPath
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "ComputeShader"
            }
            ,
            e.prototype.setTexture = function(e, t, i) {
                void 0 === i && (i = !0);
                var n = this._bindings[e];
                this._bindings[e] = {
                    type: i ? _l.Texture : _l.TextureWithoutSampler,
                    object: t,
                    indexInGroupEntries: null == n ? void 0 : n.indexInGroupEntries
                },
                this._contextIsDirty || (this._contextIsDirty = !n || n.object !== t || n.type !== this._bindings[e].type)
            }
            ,
            e.prototype.setStorageTexture = function(e, t) {
                var i = this._bindings[e];
                this._contextIsDirty || (this._contextIsDirty = !i || i.object !== t),
                this._bindings[e] = {
                    type: _l.StorageTexture,
                    object: t,
                    indexInGroupEntries: null == i ? void 0 : i.indexInGroupEntries
                }
            }
            ,
            e.prototype.setUniformBuffer = function(e, t) {
                var i = this._bindings[e];
                this._contextIsDirty || (this._contextIsDirty = !i || i.object !== t),
                this._bindings[e] = {
                    type: _l.UniformBuffer,
                    object: t,
                    indexInGroupEntries: null == i ? void 0 : i.indexInGroupEntries
                }
            }
            ,
            e.prototype.setStorageBuffer = function(e, t) {
                var i = this._bindings[e];
                this._contextIsDirty || (this._contextIsDirty = !i || i.object !== t),
                this._bindings[e] = {
                    type: _l.StorageBuffer,
                    object: t,
                    indexInGroupEntries: null == i ? void 0 : i.indexInGroupEntries
                }
            }
            ,
            e.prototype.setTextureSampler = function(e, t) {
                var i = this._bindings[e];
                this._contextIsDirty || (this._contextIsDirty = !i || !t.compareSampler(i.object)),
                this._bindings[e] = {
                    type: _l.Sampler,
                    object: t,
                    indexInGroupEntries: null == i ? void 0 : i.indexInGroupEntries
                }
            }
            ,
            e.prototype.isReady = function() {
                var e = this._effect;
                for (var t in this._bindings) {
                    var i = this._bindings[t]
                      , n = i.type
                      , r = i.object;
                    switch (n) {
                    case _l.Texture:
                    case _l.TextureWithoutSampler:
                    case _l.StorageTexture:
                        if (!r.isReady())
                            return !1
                    }
                }
                var o = []
                  , a = this._shaderPath;
                if (this._options.defines)
                    for (var s = 0; s < this._options.defines.length; s++)
                        o.push(this._options.defines[s]);
                var l = o.join("\n");
                return this._cachedDefines !== l && (this._cachedDefines = l,
                e = this._engine.createComputeEffect(a, {
                    defines: l,
                    entryPoint: this._options.entryPoint,
                    onCompiled: this.onCompiled,
                    onError: this.onError
                }),
                this._effect = e),
                !!e.isReady()
            }
            ,
            e.prototype.dispatch = function(e, t, i) {
                var n;
                if (!this.isReady())
                    return !1;
                for (var r in this._bindings) {
                    var o = this._bindings[r];
                    if (!this._options.bindingsMapping[r])
                        throw new Error("ComputeShader ('" + this.name + "'): No binding mapping has been provided for the property '" + r + "'");
                    if (o.type === _l.Texture) {
                        var a = this._samplers[r]
                          , s = o.object;
                        a && s._texture && a.compareSampler(s._texture) || (this._samplers[r] = (new Nt).setParameters(s.wrapU, s.wrapV, s.wrapR, s.anisotropicFilteringLevel, s._texture.samplingMode, null === (n = s._texture) || void 0 === n ? void 0 : n._comparisonFunction),
                        this._contextIsDirty = !0)
                    }
                }
                return this._contextIsDirty && (this._contextIsDirty = !1,
                this._context.clear()),
                this._engine.computeDispatch(this._effect, this._context, this._bindings, e, t, i, this._options.bindingsMapping),
                !0
            }
            ,
            e.prototype.dispatchWhenReady = function(e, t, i, n) {
                var r = this;
                return void 0 === n && (n = 10),
                new Promise((function(o) {
                    var a = function() {
                        r.dispatch(e, t, i) ? o() : setTimeout(a, n)
                    };
                    a()
                }
                ))
            }
            ,
            e.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                for (var t in e.options = this._options,
                e.shaderPath = this._shaderPath,
                e.bindings = {},
                e.textures = {},
                this._bindings) {
                    var i = this._bindings[t]
                      , n = i.object;
                    switch (i.type) {
                    case _l.Texture:
                    case _l.TextureWithoutSampler:
                    case _l.StorageTexture:
                        var r = n.serialize();
                        r && (e.textures[t] = r,
                        e.bindings[t] = {
                            type: i.type
                        });
                    case _l.UniformBuffer:
                    }
                }
                return e
            }
            ,
            e.Parse = function(t, i, n) {
                var r = Ge.Parse((function() {
                    return new e(t.name,i.getEngine(),t.shaderPath,t.options)
                }
                ), t, i, n);
                for (var o in t.textures) {
                    var a = t.bindings[o]
                      , s = io.Parse(t.textures[o], i, n);
                    a.type === _l.Texture ? r.setTexture(o, s) : a.type === _l.TextureWithoutSampler ? r.setTexture(o, s, !1) : r.setStorageTexture(o, s)
                }
                return r
            }
            ,
            k([Ce()], e.prototype, "name", void 0),
            e
        }();
        y("BABYLON.ComputeShader", gl);
        var vl = function() {
            function e(e, t, i, n, r, o) {
                this.entries = new Array,
                this._boundingVectors = new Array,
                this._capacity = i,
                this._depth = n,
                this._maxDepth = r,
                this._creationFunc = o,
                this._minPoint = e,
                this._maxPoint = t,
                this._boundingVectors.push(e.clone()),
                this._boundingVectors.push(t.clone()),
                this._boundingVectors.push(e.clone()),
                this._boundingVectors[2].x = t.x,
                this._boundingVectors.push(e.clone()),
                this._boundingVectors[3].y = t.y,
                this._boundingVectors.push(e.clone()),
                this._boundingVectors[4].z = t.z,
                this._boundingVectors.push(t.clone()),
                this._boundingVectors[5].z = e.z,
                this._boundingVectors.push(t.clone()),
                this._boundingVectors[6].x = e.x,
                this._boundingVectors.push(t.clone()),
                this._boundingVectors[7].y = e.y
            }
            return Object.defineProperty(e.prototype, "capacity", {
                get: function() {
                    return this._capacity
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "minPoint", {
                get: function() {
                    return this._minPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "maxPoint", {
                get: function() {
                    return this._maxPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addEntry = function(e) {
                if (this.blocks)
                    for (var t = 0; t < this.blocks.length; t++)
                        this.blocks[t].addEntry(e);
                else
                    this._creationFunc(e, this),
                    this.entries.length > this.capacity && this._depth < this._maxDepth && this.createInnerBlocks()
            }
            ,
            e.prototype.removeEntry = function(e) {
                if (this.blocks)
                    for (var t = 0; t < this.blocks.length; t++)
                        this.blocks[t].removeEntry(e);
                else {
                    var i = this.entries.indexOf(e);
                    i > -1 && this.entries.splice(i, 1)
                }
            }
            ,
            e.prototype.addEntries = function(e) {
                for (var t = 0; t < e.length; t++) {
                    var i = e[t];
                    this.addEntry(i)
                }
            }
            ,
            e.prototype.select = function(e, t, i) {
                if (tr.IsInFrustum(this._boundingVectors, e)) {
                    if (this.blocks) {
                        for (var n = 0; n < this.blocks.length; n++)
                            this.blocks[n].select(e, t, i);
                        return
                    }
                    i ? t.concat(this.entries) : t.concatWithNoDuplicate(this.entries)
                }
            }
            ,
            e.prototype.intersects = function(e, t, i, n) {
                if (tr.IntersectsSphere(this._minPoint, this._maxPoint, e, t)) {
                    if (this.blocks) {
                        for (var r = 0; r < this.blocks.length; r++)
                            this.blocks[r].intersects(e, t, i, n);
                        return
                    }
                    n ? i.concat(this.entries) : i.concatWithNoDuplicate(this.entries)
                }
            }
            ,
            e.prototype.intersectsRay = function(e, t) {
                if (e.intersectsBoxMinMax(this._minPoint, this._maxPoint)) {
                    if (this.blocks) {
                        for (var i = 0; i < this.blocks.length; i++)
                            this.blocks[i].intersectsRay(e, t);
                        return
                    }
                    t.concatWithNoDuplicate(this.entries)
                }
            }
            ,
            e.prototype.createInnerBlocks = function() {
                e._CreateBlocks(this._minPoint, this._maxPoint, this.entries, this._capacity, this._depth, this._maxDepth, this, this._creationFunc)
            }
            ,
            e._CreateBlocks = function(t, i, n, r, o, a, s, l) {
                s.blocks = new Array;
                for (var c = new x((i.x - t.x) / 2,(i.y - t.y) / 2,(i.z - t.z) / 2), u = 0; u < 2; u++)
                    for (var h = 0; h < 2; h++)
                        for (var d = 0; d < 2; d++) {
                            var p = new e(t.add(c.multiplyByFloats(u, h, d)),t.add(c.multiplyByFloats(u + 1, h + 1, d + 1)),r,o + 1,a,l);
                            p.addEntries(n),
                            s.blocks.push(p)
                        }
            }
            ,
            e
        }()
          , yl = function() {
            function e(e, t, i) {
                void 0 === i && (i = 2),
                this.maxDepth = i,
                this.dynamicContent = new Array,
                this._maxBlockCapacity = t || 64,
                this._selectionContent = new Ti(1024),
                this._creationFunc = e
            }
            return e.prototype.update = function(e, t, i) {
                vl._CreateBlocks(e, t, i, this._maxBlockCapacity, 0, this.maxDepth, this, this._creationFunc)
            }
            ,
            e.prototype.addMesh = function(e) {
                for (var t = 0; t < this.blocks.length; t++)
                    this.blocks[t].addEntry(e)
            }
            ,
            e.prototype.removeMesh = function(e) {
                for (var t = 0; t < this.blocks.length; t++)
                    this.blocks[t].removeEntry(e)
            }
            ,
            e.prototype.select = function(e, t) {
                this._selectionContent.reset();
                for (var i = 0; i < this.blocks.length; i++)
                    this.blocks[i].select(e, this._selectionContent, t);
                return t ? this._selectionContent.concat(this.dynamicContent) : this._selectionContent.concatWithNoDuplicate(this.dynamicContent),
                this._selectionContent
            }
            ,
            e.prototype.intersects = function(e, t, i) {
                this._selectionContent.reset();
                for (var n = 0; n < this.blocks.length; n++)
                    this.blocks[n].intersects(e, t, this._selectionContent, i);
                return i ? this._selectionContent.concat(this.dynamicContent) : this._selectionContent.concatWithNoDuplicate(this.dynamicContent),
                this._selectionContent
            }
            ,
            e.prototype.intersectsRay = function(e) {
                this._selectionContent.reset();
                for (var t = 0; t < this.blocks.length; t++)
                    this.blocks[t].intersectsRay(e, this._selectionContent);
                return this._selectionContent.concatWithNoDuplicate(this.dynamicContent),
                this._selectionContent
            }
            ,
            e.CreationFuncForMeshes = function(e, t) {
                var i = e.getBoundingInfo();
                !e.isBlocked && i.boundingBox.intersectsMinMax(t.minPoint, t.maxPoint) && t.entries.push(e)
            }
            ,
            e.CreationFuncForSubMeshes = function(e, t) {
                e.getBoundingInfo().boundingBox.intersectsMinMax(t.minPoint, t.maxPoint) && t.entries.push(e)
            }
            ,
            e
        }();
        mn.prototype.createOrUpdateSelectionOctree = function(e, t) {
            void 0 === e && (e = 64),
            void 0 === t && (t = 2);
            var i = this._getComponent(Wi.NAME_OCTREE);
            i || (i = new Tl(this),
            this._addComponent(i)),
            this._selectionOctree || (this._selectionOctree = new yl(yl.CreationFuncForMeshes,e,t));
            var n = this.getWorldExtends();
            return this._selectionOctree.update(n.min, n.max, this.meshes),
            this._selectionOctree
        }
        ,
        Object.defineProperty(mn.prototype, "selectionOctree", {
            get: function() {
                return this._selectionOctree
            },
            enumerable: !0,
            configurable: !0
        }),
        Sr.prototype.createOrUpdateSubmeshesOctree = function(e, t) {
            void 0 === e && (e = 64),
            void 0 === t && (t = 2);
            var i = this.getScene()
              , n = i._getComponent(Wi.NAME_OCTREE);
            n || (n = new Tl(i),
            i._addComponent(n)),
            this._submeshesOctree || (this._submeshesOctree = new yl(yl.CreationFuncForSubMeshes,e,t)),
            this.computeWorldMatrix(!0);
            var r = this.getBoundingInfo().boundingBox;
            return this._submeshesOctree.update(r.minimumWorld, r.maximumWorld, this.subMeshes),
            this._submeshesOctree
        }
        ;
        var bl, Tl = function() {
            function e(e) {
                this.name = Wi.NAME_OCTREE,
                this.checksIsEnabled = !0,
                this._tempRay = new _o(x.Zero(),new x(1,1,1)),
                (e = e || E.LastCreatedScene) && (this.scene = e,
                this.scene.getActiveMeshCandidates = this.getActiveMeshCandidates.bind(this),
                this.scene.getActiveSubMeshCandidates = this.getActiveSubMeshCandidates.bind(this),
                this.scene.getCollidingSubMeshCandidates = this.getCollidingSubMeshCandidates.bind(this),
                this.scene.getIntersectingSubMeshCandidates = this.getIntersectingSubMeshCandidates.bind(this))
            }
            return e.prototype.register = function() {
                var e = this;
                this.scene.onMeshRemovedObservable.add((function(t) {
                    var i = e.scene.selectionOctree;
                    if (null != i) {
                        var n = i.dynamicContent.indexOf(t);
                        -1 !== n && i.dynamicContent.splice(n, 1)
                    }
                }
                )),
                this.scene.onMeshImportedObservable.add((function(t) {
                    var i = e.scene.selectionOctree;
                    null != i && i.addMesh(t)
                }
                ))
            }
            ,
            e.prototype.getActiveMeshCandidates = function() {
                return this.scene._selectionOctree ? this.scene._selectionOctree.select(this.scene.frustumPlanes) : this.scene._getDefaultMeshCandidates()
            }
            ,
            e.prototype.getActiveSubMeshCandidates = function(e) {
                return e._submeshesOctree && e.useOctreeForRenderingSelection ? e._submeshesOctree.select(this.scene.frustumPlanes) : this.scene._getDefaultSubMeshCandidates(e)
            }
            ,
            e.prototype.getIntersectingSubMeshCandidates = function(e, t) {
                return e._submeshesOctree && e.useOctreeForPicking ? (_o.TransformToRef(t, e.getWorldMatrix(), this._tempRay),
                e._submeshesOctree.intersectsRay(this._tempRay)) : this.scene._getDefaultSubMeshCandidates(e)
            }
            ,
            e.prototype.getCollidingSubMeshCandidates = function(e, t) {
                if (e._submeshesOctree && e.useOctreeForCollisions) {
                    var i = t._velocityWorldLength + Math.max(t._radius.x, t._radius.y, t._radius.z);
                    return e._submeshesOctree.intersects(t._basePointWorld, i)
                }
                return this.scene._getDefaultSubMeshCandidates(e)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {}
            ,
            e
        }(), El = function() {
            function e(e, t) {
                void 0 === t && (t = !0);
                var i = this;
                this.originalScene = e,
                this._pointerCaptures = {},
                this._lastPointerEvents = {},
                this._sharedGizmoLight = null,
                this._renderCamera = null,
                this.pickUtilitySceneFirst = !0,
                this.shouldRender = !0,
                this.onlyCheckPointerDownEvents = !0,
                this.processAllEvents = !1,
                this.pickingEnabled = !0,
                this.onPointerOutObservable = new h,
                this.utilityLayerScene = new mn(e.getEngine(),{
                    virtual: !0
                }),
                this.utilityLayerScene.useRightHandedSystem = e.useRightHandedSystem,
                this.utilityLayerScene._allowPostProcessClearColor = !1,
                this.utilityLayerScene.postProcessesEnabled = !1,
                this.utilityLayerScene.detachControl(),
                t && (this._originalPointerObserver = e.onPrePointerObservable.add((function(t) {
                    if (i.utilityLayerScene.activeCamera && i.pickingEnabled && (i.processAllEvents || t.type === Xi.POINTERMOVE || t.type === Xi.POINTERUP || t.type === Xi.POINTERDOWN || t.type === Xi.POINTERDOUBLETAP)) {
                        i.utilityLayerScene.pointerX = e.pointerX,
                        i.utilityLayerScene.pointerY = e.pointerY;
                        var n = t.event;
                        if (e.isPointerCaptured(n.pointerId))
                            i._pointerCaptures[n.pointerId] = !1;
                        else {
                            var r = function(n) {
                                var r = null;
                                if (t.nearInteractionPickingInfo)
                                    r = t.nearInteractionPickingInfo.pickedMesh.getScene() == n ? t.nearInteractionPickingInfo : new Ui;
                                else {
                                    var o = null;
                                    i._renderCamera && (o = n._activeCamera,
                                    n._activeCamera = i._renderCamera,
                                    t.ray = null),
                                    r = t.ray ? n.pickWithRay(t.ray) : n.pick(e.pointerX, e.pointerY),
                                    o && (n._activeCamera = o)
                                }
                                return r
                            }
                              , o = r(i.utilityLayerScene);
                            if (!t.ray && o && (t.ray = o.ray),
                            i.utilityLayerScene.onPrePointerObservable.notifyObservers(t),
                            i.onlyCheckPointerDownEvents && t.type != Xi.POINTERDOWN)
                                return t.skipOnPointerObservable || i.utilityLayerScene.onPointerObservable.notifyObservers(new Ki(t.type,t.event,o), t.type),
                                void (t.type === Xi.POINTERUP && i._pointerCaptures[n.pointerId] && (i._pointerCaptures[n.pointerId] = !1));
                            if (i.utilityLayerScene.autoClearDepthAndStencil || i.pickUtilitySceneFirst)
                                o && o.hit && (t.skipOnPointerObservable || i.utilityLayerScene.onPointerObservable.notifyObservers(new Ki(t.type,t.event,o), t.type),
                                t.skipOnPointerObservable = !0);
                            else {
                                var a = r(e)
                                  , s = t.event;
                                a && o && (0 === o.distance && a.pickedMesh ? i.mainSceneTrackerPredicate && i.mainSceneTrackerPredicate(a.pickedMesh) ? (i._notifyObservers(t, a, s),
                                t.skipOnPointerObservable = !0) : t.type === Xi.POINTERDOWN ? i._pointerCaptures[s.pointerId] = !0 : t.type !== Xi.POINTERMOVE && t.type !== Xi.POINTERUP || (i._lastPointerEvents[s.pointerId] && (i.onPointerOutObservable.notifyObservers(s.pointerId),
                                delete i._lastPointerEvents[s.pointerId]),
                                i._notifyObservers(t, a, s)) : !i._pointerCaptures[s.pointerId] && (o.distance < a.distance || 0 === a.distance) ? (i._notifyObservers(t, o, s),
                                t.skipOnPointerObservable || (t.skipOnPointerObservable = o.distance > 0)) : !i._pointerCaptures[s.pointerId] && o.distance > a.distance && (i.mainSceneTrackerPredicate && i.mainSceneTrackerPredicate(a.pickedMesh) ? (i._notifyObservers(t, a, s),
                                t.skipOnPointerObservable = !0) : t.type !== Xi.POINTERMOVE && t.type !== Xi.POINTERUP || (i._lastPointerEvents[s.pointerId] && (i.onPointerOutObservable.notifyObservers(s.pointerId),
                                delete i._lastPointerEvents[s.pointerId]),
                                i._notifyObservers(t, o, s))),
                                t.type === Xi.POINTERUP && i._pointerCaptures[s.pointerId] && (i._pointerCaptures[s.pointerId] = !1))
                            }
                        }
                    }
                }
                )),
                this._originalPointerObserver && e.onPrePointerObservable.makeObserverTopPriority(this._originalPointerObserver)),
                this.utilityLayerScene.autoClear = !1,
                this._afterRenderObserver = this.originalScene.onAfterCameraRenderObservable.add((function(e) {
                    i.shouldRender && e == i.getRenderCamera() && (e.outputRenderTarget && e.isRigCamera && i.originalScene.getEngine().clear(null, !1, !0, !1),
                    i.render())
                }
                )),
                this._sceneDisposeObserver = this.originalScene.onDisposeObservable.add((function() {
                    i.dispose()
                }
                )),
                this._updateCamera()
            }
            return e.prototype.getRenderCamera = function(e) {
                if (this._renderCamera)
                    return this._renderCamera;
                var t;
                return t = this.originalScene.activeCameras && this.originalScene.activeCameras.length > 1 ? this.originalScene.activeCameras[this.originalScene.activeCameras.length - 1] : this.originalScene.activeCamera,
                e && t && t.isRigCamera ? t.rigParent : t
            }
            ,
            e.prototype.setRenderCamera = function(e) {
                this._renderCamera = e
            }
            ,
            e.prototype._getSharedGizmoLight = function() {
                return this._sharedGizmoLight || (this._sharedGizmoLight = new ds("shared gizmo light",new x(0,1,0),this.utilityLayerScene),
                this._sharedGizmoLight.intensity = 2,
                this._sharedGizmoLight.groundColor = D.Gray()),
                this._sharedGizmoLight
            }
            ,
            Object.defineProperty(e, "DefaultUtilityLayer", {
                get: function() {
                    return null == e._DefaultUtilityLayer ? e._CreateDefaultUtilityLayerFromScene(E.LastCreatedScene) : e._DefaultUtilityLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            e._CreateDefaultUtilityLayerFromScene = function(t) {
                return e._DefaultUtilityLayer = new e(t),
                e._DefaultUtilityLayer.originalScene.onDisposeObservable.addOnce((function() {
                    e._DefaultUtilityLayer = null
                }
                )),
                e._DefaultUtilityLayer
            }
            ,
            Object.defineProperty(e, "DefaultKeepDepthUtilityLayer", {
                get: function() {
                    return null == e._DefaultKeepDepthUtilityLayer && (e._DefaultKeepDepthUtilityLayer = new e(E.LastCreatedScene),
                    e._DefaultKeepDepthUtilityLayer.utilityLayerScene.autoClearDepthAndStencil = !1,
                    e._DefaultKeepDepthUtilityLayer.originalScene.onDisposeObservable.addOnce((function() {
                        e._DefaultKeepDepthUtilityLayer = null
                    }
                    ))),
                    e._DefaultKeepDepthUtilityLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._notifyObservers = function(e, t, i) {
                e.skipOnPointerObservable || (this.utilityLayerScene.onPointerObservable.notifyObservers(new Ki(e.type,e.event,t), e.type),
                this._lastPointerEvents[i.pointerId] = !0)
            }
            ,
            e.prototype.render = function() {
                if (this._updateCamera(),
                this.utilityLayerScene.activeCamera) {
                    var e = this.utilityLayerScene.activeCamera.getScene()
                      , t = this.utilityLayerScene.activeCamera;
                    t._scene = this.utilityLayerScene,
                    t.leftCamera && (t.leftCamera._scene = this.utilityLayerScene),
                    t.rightCamera && (t.rightCamera._scene = this.utilityLayerScene),
                    this.utilityLayerScene.render(!1),
                    t._scene = e,
                    t.leftCamera && (t.leftCamera._scene = e),
                    t.rightCamera && (t.rightCamera._scene = e)
                }
            }
            ,
            e.prototype.dispose = function() {
                this.onPointerOutObservable.clear(),
                this._afterRenderObserver && this.originalScene.onAfterCameraRenderObservable.remove(this._afterRenderObserver),
                this._sceneDisposeObserver && this.originalScene.onDisposeObservable.remove(this._sceneDisposeObserver),
                this._originalPointerObserver && this.originalScene.onPrePointerObservable.remove(this._originalPointerObserver),
                this.utilityLayerScene.dispose()
            }
            ,
            e.prototype._updateCamera = function() {
                this.utilityLayerScene.cameraToUseForPointers = this.getRenderCamera(),
                this.utilityLayerScene.activeCamera = this.getRenderCamera()
            }
            ,
            e._DefaultUtilityLayer = null,
            e._DefaultKeepDepthUtilityLayer = null,
            e
        }(), Sl = function() {
            function e(e) {
                void 0 === e && (e = El.DefaultUtilityLayer);
                var t = this;
                this.gizmoLayer = e,
                this._attachedMesh = null,
                this._attachedNode = null,
                this._customRotationQuaternion = null,
                this._scaleRatio = 1,
                this._isHovered = !1,
                this._customMeshSet = !1,
                this._updateGizmoRotationToMatchAttachedMesh = !0,
                this.updateGizmoPositionToMatchAttachedMesh = !0,
                this.updateScale = !0,
                this._interactionsEnabled = !0,
                this._tempQuaternion = new C(0,0,0,1),
                this._tempVector = new x,
                this._tempVector2 = new x,
                this._tempMatrix1 = new P,
                this._tempMatrix2 = new P,
                this._rightHandtoLeftHandMatrix = P.RotationY(Math.PI),
                this._rootMesh = new Vr("gizmoRootNode",e.utilityLayerScene),
                this._rootMesh.rotationQuaternion = C.Identity(),
                this._beforeRenderObserver = this.gizmoLayer.utilityLayerScene.onBeforeRenderObservable.add((function() {
                    t._update()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "scaleRatio", {
                get: function() {
                    return this._scaleRatio
                },
                set: function(e) {
                    this._scaleRatio = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isHovered", {
                get: function() {
                    return this._isHovered
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "attachedMesh", {
                get: function() {
                    return this._attachedMesh
                },
                set: function(e) {
                    this._attachedMesh = e,
                    e && (this._attachedNode = e),
                    this._rootMesh.setEnabled(!!e),
                    this._attachedNodeChanged(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "attachedNode", {
                get: function() {
                    return this._attachedNode
                },
                set: function(e) {
                    this._attachedNode = e,
                    this._attachedMesh = null,
                    this._rootMesh.setEnabled(!!e),
                    this._attachedNodeChanged(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setCustomMesh = function(e) {
                if (e.getScene() != this.gizmoLayer.utilityLayerScene)
                    throw "When setting a custom mesh on a gizmo, the custom meshes scene must be the same as the gizmos (eg. gizmo.gizmoLayer.utilityLayerScene)";
                this._rootMesh.getChildMeshes().forEach((function(e) {
                    e.dispose()
                }
                )),
                e.parent = this._rootMesh,
                this._customMeshSet = !0
            }
            ,
            Object.defineProperty(e.prototype, "updateGizmoRotationToMatchAttachedMesh", {
                get: function() {
                    return this._updateGizmoRotationToMatchAttachedMesh
                },
                set: function(e) {
                    this._updateGizmoRotationToMatchAttachedMesh = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._attachedNodeChanged = function(e) {}
            ,
            Object.defineProperty(e.prototype, "customRotationQuaternion", {
                get: function() {
                    return this._customRotationQuaternion
                },
                set: function(e) {
                    this._customRotationQuaternion = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._update = function() {
                if (this.attachedNode) {
                    var e = this.attachedNode;
                    if (this.attachedMesh && (e = this.attachedMesh || this.attachedNode),
                    this.updateGizmoPositionToMatchAttachedMesh) {
                        var t = e.getWorldMatrix().getRow(3)
                          , i = t ? t.toVector3() : new x(0,0,0);
                        this._rootMesh.position.copyFrom(i)
                    }
                    if (this.updateGizmoRotationToMatchAttachedMesh ? e.getWorldMatrix().decompose(void 0, this._rootMesh.rotationQuaternion) : this._customRotationQuaternion ? this._rootMesh.rotationQuaternion.copyFrom(this._customRotationQuaternion) : this._rootMesh.rotationQuaternion.set(0, 0, 0, 1),
                    this.updateScale) {
                        var n = this.gizmoLayer.utilityLayerScene.activeCamera
                          , r = n.globalPosition;
                        n.devicePosition && (r = n.devicePosition),
                        this._rootMesh.position.subtractToRef(r, this._tempVector);
                        var o = this._tempVector.length() * this.scaleRatio;
                        this._rootMesh.scaling.set(o, o, o),
                        e._getWorldMatrixDeterminant() < 0 && (this._rootMesh.scaling.y *= -1)
                    } else
                        this._rootMesh.scaling.setAll(this.scaleRatio)
                }
            }
            ,
            e.prototype._handlePivot = function() {
                var e = this._attachedNode;
                e.isUsingPivotMatrix && e.isUsingPivotMatrix() && e.position && e.getWorldMatrix().setTranslation(e.position)
            }
            ,
            e.prototype._matrixChanged = function() {
                if (this._attachedNode)
                    if (this._attachedNode._isCamera) {
                        var e = this._attachedNode
                          , t = void 0
                          , i = void 0;
                        if (e.parent) {
                            var n = this._tempMatrix2;
                            e.parent._worldMatrix.invertToRef(n),
                            this._attachedNode._worldMatrix.multiplyToRef(n, this._tempMatrix1),
                            t = this._tempMatrix1
                        } else
                            t = this._attachedNode._worldMatrix;
                        if (e.getScene().useRightHandedSystem ? (this._rightHandtoLeftHandMatrix.multiplyToRef(t, this._tempMatrix2),
                        i = this._tempMatrix2) : i = t,
                        i.decompose(this._tempVector2, this._tempQuaternion, this._tempVector),
                        "FreeCamera" === this._attachedNode.getClassName() || "FlyCamera" === this._attachedNode.getClassName() || "ArcFollowCamera" === this._attachedNode.getClassName() || "TargetCamera" === this._attachedNode.getClassName() || "TouchCamera" === this._attachedNode.getClassName() || "UniversalCamera" === this._attachedNode.getClassName()) {
                            var r = this._attachedNode;
                            r.rotation = this._tempQuaternion.toEulerAngles(),
                            r.rotationQuaternion && (r.rotationQuaternion.copyFrom(this._tempQuaternion),
                            r.rotationQuaternion.normalize())
                        }
                        e.position.copyFrom(this._tempVector)
                    } else if (this._attachedNode._isMesh || "AbstractMesh" === this._attachedNode.getClassName() || "TransformNode" === this._attachedNode.getClassName() || "InstancedMesh" === this._attachedNode.getClassName()) {
                        var o = this._attachedNode;
                        if (o.parent) {
                            n = this._tempMatrix1;
                            var a = this._tempMatrix2;
                            o.parent.getWorldMatrix().invertToRef(n),
                            this._attachedNode.getWorldMatrix().multiplyToRef(n, a),
                            a.decompose(o.scaling, this._tempQuaternion, o.position)
                        } else
                            this._attachedNode._worldMatrix.decompose(o.scaling, this._tempQuaternion, o.position);
                        o.billboardMode || (o.rotationQuaternion ? (o.rotationQuaternion.copyFrom(this._tempQuaternion),
                        o.rotationQuaternion.normalize()) : o.rotation = this._tempQuaternion.toEulerAngles())
                    } else if ("Bone" === this._attachedNode.getClassName()) {
                        var s = this._attachedNode
                          , l = s.getParent();
                        if (l) {
                            var c = this._tempMatrix1
                              , u = this._tempMatrix2;
                            l.getWorldMatrix().invertToRef(c),
                            s.getWorldMatrix().multiplyToRef(c, u),
                            s.getLocalMatrix().copyFrom(u)
                        } else
                            s.getLocalMatrix().copyFrom(s.getWorldMatrix());
                        s.markAsDirty()
                    } else {
                        var h = this._attachedNode;
                        if (h.getTypeID) {
                            var d = h.getTypeID();
                            if (d === Cr.LIGHTTYPEID_DIRECTIONALLIGHT || d === Cr.LIGHTTYPEID_SPOTLIGHT || d === Cr.LIGHTTYPEID_POINTLIGHT) {
                                var p = h.parent;
                                if (p) {
                                    c = this._tempMatrix1;
                                    var f = this._tempMatrix2;
                                    p.getWorldMatrix().invertToRef(c),
                                    h.getWorldMatrix().multiplyToRef(c, f),
                                    f.decompose(void 0, this._tempQuaternion, this._tempVector)
                                } else
                                    this._attachedNode._worldMatrix.decompose(void 0, this._tempQuaternion, this._tempVector);
                                h.position = new x(this._tempVector.x,this._tempVector.y,this._tempVector.z),
                                x.Backward(!1).rotateByQuaternionToRef(this._tempQuaternion, this._tempVector),
                                h.direction = new x(this._tempVector.x,this._tempVector.y,this._tempVector.z)
                            }
                        }
                    }
            }
            ,
            e.prototype._setGizmoMeshMaterial = function(e, t) {
                e && e.forEach((function(e) {
                    e.material = t,
                    e.color && (e.color = t.diffuseColor)
                }
                ))
            }
            ,
            e.GizmoAxisPointerObserver = function(e, t) {
                var i = !1
                  , n = e.utilityLayerScene.onPointerObservable.add((function(e) {
                    var n, r;
                    if (e.pickInfo) {
                        if (e.type === Xi.POINTERMOVE) {
                            if (i)
                                return;
                            t.forEach((function(t) {
                                var i, n;
                                if (t.colliderMeshes && t.gizmoMeshes) {
                                    var r = -1 != (null === (i = t.colliderMeshes) || void 0 === i ? void 0 : i.indexOf(null === (n = null == e ? void 0 : e.pickInfo) || void 0 === n ? void 0 : n.pickedMesh))
                                      , o = t.dragBehavior.enabled ? r || t.active ? t.hoverMaterial : t.material : t.disableMaterial;
                                    t.gizmoMeshes.forEach((function(e) {
                                        e.material = o,
                                        e.color && (e.color = o.diffuseColor)
                                    }
                                    ))
                                }
                            }
                            ))
                        }
                        e.type === Xi.POINTERDOWN && t.has(null === (n = e.pickInfo.pickedMesh) || void 0 === n ? void 0 : n.parent) && (i = !0,
                        t.get(null === (r = e.pickInfo.pickedMesh) || void 0 === r ? void 0 : r.parent).active = !0,
                        t.forEach((function(t) {
                            var i, n, r = (-1 != (null === (i = t.colliderMeshes) || void 0 === i ? void 0 : i.indexOf(null === (n = null == e ? void 0 : e.pickInfo) || void 0 === n ? void 0 : n.pickedMesh)) || t.active) && t.dragBehavior.enabled ? t.hoverMaterial : t.disableMaterial;
                            t.gizmoMeshes.forEach((function(e) {
                                e.material = r,
                                e.color && (e.color = r.diffuseColor)
                            }
                            ))
                        }
                        ))),
                        e.type === Xi.POINTERUP && t.forEach((function(e) {
                            e.active = !1,
                            i = !1,
                            e.gizmoMeshes.forEach((function(t) {
                                t.material = e.dragBehavior.enabled ? e.material : e.disableMaterial,
                                t.color && (t.color = e.material.diffuseColor)
                            }
                            ))
                        }
                        ))
                    }
                }
                ));
                return n
            }
            ,
            e.prototype.dispose = function() {
                this._rootMesh.dispose(),
                this._beforeRenderObserver && this.gizmoLayer.utilityLayerScene.onBeforeRenderObservable.remove(this._beforeRenderObserver)
            }
            ,
            e
        }(), Al = function(e) {
            function t(i, n, r, o, a) {
                void 0 === n && (n = D.Gray()),
                void 0 === r && (r = El.DefaultUtilityLayer),
                void 0 === o && (o = null),
                void 0 === a && (a = 1);
                var s, l = this;
                (l = e.call(this, r) || this)._pointerObserver = null,
                l.snapDistance = 0,
                l.onSnapObservable = new h,
                l._isEnabled = !0,
                l._parent = null,
                l._dragging = !1,
                l._parent = o,
                l._coloredMaterial = new Os("",r.utilityLayerScene),
                l._coloredMaterial.diffuseColor = n,
                l._coloredMaterial.specularColor = n.subtract(new D(.1,.1,.1)),
                l._hoverMaterial = new Os("",r.utilityLayerScene),
                l._hoverMaterial.diffuseColor = D.Yellow(),
                l._disableMaterial = new Os("",r.utilityLayerScene),
                l._disableMaterial.diffuseColor = D.Gray(),
                l._disableMaterial.alpha = .4;
                var c = t._CreateArrow(r.utilityLayerScene, l._coloredMaterial, a)
                  , u = t._CreateArrow(r.utilityLayerScene, l._coloredMaterial, a + 4, !0);
                l._gizmoMesh = new Vr("",r.utilityLayerScene),
                l._gizmoMesh.addChild(c),
                l._gizmoMesh.addChild(u),
                l._gizmoMesh.lookAt(l._rootMesh.position.add(i)),
                l._gizmoMesh.scaling.scaleInPlace(1 / 3),
                l._gizmoMesh.parent = l._rootMesh;
                var d = 0
                  , p = new x
                  , f = new x
                  , _ = {
                    snapDistance: 0
                };
                l.dragBehavior = new Ao({
                    dragAxis: i
                }),
                l.dragBehavior.moveAttached = !1,
                l._rootMesh.addBehavior(l.dragBehavior),
                l.dragBehavior.onDragObservable.add((function(e) {
                    if (l.attachedNode) {
                        l._handlePivot();
                        var t = !1;
                        if (0 == l.snapDistance)
                            l.attachedNode.getWorldMatrix().getTranslationToRef(f),
                            f.addInPlace(e.delta),
                            l.dragBehavior.validateDrag(f) && (l.attachedNode.position && l.attachedNode.position.addInPlaceFromFloats(e.delta.x, e.delta.y, e.delta.z),
                            l.attachedNode.getWorldMatrix().addTranslationFromFloats(e.delta.x, e.delta.y, e.delta.z),
                            l.attachedNode.updateCache(),
                            t = !0);
                        else if (d += e.dragDistance,
                        Math.abs(d) > l.snapDistance) {
                            var i = Math.floor(Math.abs(d) / l.snapDistance);
                            d %= l.snapDistance,
                            e.delta.normalizeToRef(p),
                            p.scaleInPlace(l.snapDistance * i),
                            l.attachedNode.getWorldMatrix().getTranslationToRef(f),
                            f.addInPlace(p),
                            l.dragBehavior.validateDrag(f) && (l.attachedNode.getWorldMatrix().addTranslationFromFloats(p.x, p.y, p.z),
                            l.attachedNode.updateCache(),
                            _.snapDistance = l.snapDistance * i,
                            l.onSnapObservable.notifyObservers(_),
                            t = !0)
                        }
                        t && l._matrixChanged()
                    }
                }
                )),
                l.dragBehavior.onDragStartObservable.add((function() {
                    l._dragging = !0
                }
                )),
                l.dragBehavior.onDragEndObservable.add((function() {
                    l._dragging = !1
                }
                ));
                var m = r._getSharedGizmoLight();
                m.includedOnlyMeshes = m.includedOnlyMeshes.concat(l._rootMesh.getChildMeshes(!1));
                var g = {
                    gizmoMeshes: c.getChildMeshes(),
                    colliderMeshes: u.getChildMeshes(),
                    material: l._coloredMaterial,
                    hoverMaterial: l._hoverMaterial,
                    disableMaterial: l._disableMaterial,
                    active: !1,
                    dragBehavior: l.dragBehavior
                };
                return null === (s = l._parent) || void 0 === s || s.addToAxisCache(u, g),
                l._pointerObserver = r.utilityLayerScene.onPointerObservable.add((function(e) {
                    var t;
                    if (!l._customMeshSet && (l._isHovered = !(-1 == g.colliderMeshes.indexOf(null === (t = null == e ? void 0 : e.pickInfo) || void 0 === t ? void 0 : t.pickedMesh)),
                    !l._parent)) {
                        var i = l.dragBehavior.enabled ? l._isHovered || l._dragging ? l._hoverMaterial : l._coloredMaterial : l._disableMaterial;
                        l._setGizmoMeshMaterial(g.gizmoMeshes, i)
                    }
                }
                )),
                l.dragBehavior.onEnabledObservable.add((function(e) {
                    l._setGizmoMeshMaterial(g.gizmoMeshes, e ? g.material : g.disableMaterial)
                }
                )),
                l
            }
            return U(t, e),
            t._CreateArrow = function(e, t, i, n) {
                void 0 === i && (i = 1),
                void 0 === n && (n = !1);
                var r = new yr("arrow",e)
                  , o = Ys("cylinder", {
                    diameterTop: 0,
                    height: .075,
                    diameterBottom: .0375 * (1 + (i - 1) / 4),
                    tessellation: 96
                }, e)
                  , a = Ys("cylinder", {
                    diameterTop: .005 * i,
                    height: .275,
                    diameterBottom: .005 * i,
                    tessellation: 96
                }, e);
                return o.parent = r,
                o.material = t,
                o.rotation.x = Math.PI / 2,
                o.position.z += .3,
                a.parent = r,
                a.material = t,
                a.position.z += .1375,
                a.rotation.x = Math.PI / 2,
                n && (a.visibility = 0,
                o.visibility = 0),
                r
            }
            ,
            t._CreateArrowInstance = function(e, t) {
                for (var i = new yr("arrow",e), n = 0, r = t.getChildMeshes(); n < r.length; n++) {
                    var o = r[n];
                    o.createInstance(o.name).parent = i
                }
                return i
            }
            ,
            t.prototype._attachedNodeChanged = function(e) {
                this.dragBehavior && (this.dragBehavior.enabled = !!e)
            }
            ,
            Object.defineProperty(t.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled = e,
                    e ? this._parent && (this.attachedMesh = this._parent.attachedMesh,
                    this.attachedNode = this._parent.attachedNode) : (this.attachedMesh = null,
                    this.attachedNode = null)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                this.onSnapObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this.dragBehavior.detach(),
                this._gizmoMesh && this._gizmoMesh.dispose(),
                [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                e.prototype.dispose.call(this)
            }
            ,
            t
        }(Sl), xl = function() {
            function e(t, i, n, r, o, a, s) {
                if (void 0 === i && (i = 1),
                void 0 === n && (n = 2),
                void 0 === s && (s = 1),
                this._scaleLinesFactor = 4,
                this._instanced = !1,
                this.scene = null,
                this.scaleLines = 1,
                t = t || E.LastCreatedScene) {
                    if (this.scaleLines = i,
                    !r) {
                        var l = new Os("",t);
                        l.disableLighting = !0,
                        l.emissiveColor = D.Red().scale(.5),
                        r = Al._CreateArrow(t, l, s)
                    }
                    if (!o) {
                        var c = new Os("",t);
                        c.disableLighting = !0,
                        c.emissiveColor = D.Green().scale(.5),
                        o = Al._CreateArrow(t, c, s)
                    }
                    if (!a) {
                        var u = new Os("",t);
                        u.disableLighting = !0,
                        u.emissiveColor = D.Blue().scale(.5),
                        a = Al._CreateArrow(t, u, s)
                    }
                    this._xAxis = r,
                    this._xAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor),
                    this._yAxis = o,
                    this._yAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor),
                    this._zAxis = a,
                    this._zAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor),
                    null != n && (e._SetRenderingGroupId(this._xAxis, n),
                    e._SetRenderingGroupId(this._yAxis, n),
                    e._SetRenderingGroupId(this._zAxis, n)),
                    this.scene = t,
                    this.update(new x, x.Right(), x.Up(), x.Forward())
                }
            }
            return Object.defineProperty(e.prototype, "xAxis", {
                get: function() {
                    return this._xAxis
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "yAxis", {
                get: function() {
                    return this._yAxis
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "zAxis", {
                get: function() {
                    return this._zAxis
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.update = function(e, t, i, n) {
                this._xAxis.position.copyFrom(e),
                this._xAxis.setDirection(t),
                this._xAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor),
                this._yAxis.position.copyFrom(e),
                this._yAxis.setDirection(i),
                this._yAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor),
                this._zAxis.position.copyFrom(e),
                this._zAxis.setDirection(n),
                this._zAxis.scaling.setAll(this.scaleLines * this._scaleLinesFactor)
            }
            ,
            e.prototype.createInstance = function() {
                var t = Al._CreateArrowInstance(this.scene, this._xAxis)
                  , i = Al._CreateArrowInstance(this.scene, this._yAxis)
                  , n = Al._CreateArrowInstance(this.scene, this._zAxis)
                  , r = new e(this.scene,this.scaleLines,null,t,i,n);
                return r._instanced = !0,
                r
            }
            ,
            e.prototype.dispose = function() {
                this._xAxis && this._xAxis.dispose(!1, !this._instanced),
                this._yAxis && this._yAxis.dispose(!1, !this._instanced),
                this._zAxis && this._zAxis.dispose(!1, !this._instanced),
                this.scene = null
            }
            ,
            e._SetRenderingGroupId = function(e, t) {
                e.getChildMeshes().forEach((function(e) {
                    e.renderingGroupId = t
                }
                ))
            }
            ,
            e
        }(), Rl = function(e) {
            function t(t, i, n, r) {
                void 0 === r && (r = 1);
                var o = e.call(this, t, r) || this;
                return o.pos = x.Zero(),
                o.xaxis = x.Zero(),
                o.yaxis = x.Zero(),
                o.zaxis = x.Zero(),
                o.mesh = n,
                o.bone = i,
                o
            }
            return U(t, e),
            t.prototype.update = function() {
                if (this.mesh && this.bone) {
                    var t = this.bone;
                    t._markAsDirtyAndCompose(),
                    t.getAbsolutePositionToRef(this.mesh, this.pos),
                    t.getDirectionToRef(vn.X, this.mesh, this.xaxis),
                    t.getDirectionToRef(vn.Y, this.mesh, this.yaxis),
                    t.getDirectionToRef(vn.Z, this.mesh, this.zaxis),
                    e.prototype.update.call(this, this.pos, this.xaxis, this.yaxis, this.zaxis)
                }
            }
            ,
            t.prototype.dispose = function() {
                this.mesh && (this.mesh = null,
                this.bone = null,
                e.prototype.dispose.call(this))
            }
            ,
            t
        }(xl);
        Object.defineProperty(mn.prototype, "debugLayer", {
            get: function() {
                return this._debugLayer || (this._debugLayer = new Cl(this)),
                this._debugLayer
            },
            enumerable: !0,
            configurable: !0
        }),
        function(e) {
            e[e.Properties = 0] = "Properties",
            e[e.Debug = 1] = "Debug",
            e[e.Statistics = 2] = "Statistics",
            e[e.Tools = 3] = "Tools",
            e[e.Settings = 4] = "Settings"
        }(bl || (bl = {}));
        var Cl = function() {
            function e(e) {
                var t = this;
                this.BJSINSPECTOR = this._getGlobalInspector(),
                this._scene = e || E.LastCreatedScene,
                this._scene && this._scene.onDisposeObservable.add((function() {
                    t._scene._debugLayer && t._scene._debugLayer.hide()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "onPropertyChangedObservable", {
                get: function() {
                    return this.BJSINSPECTOR && this.BJSINSPECTOR.Inspector ? this.BJSINSPECTOR.Inspector.OnPropertyChangedObservable : (this._onPropertyChangedObservable || (this._onPropertyChangedObservable = new h),
                    this._onPropertyChangedObservable)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createInspector = function(e) {
                if (!this.isVisible()) {
                    if (this._onPropertyChangedObservable) {
                        for (var t = 0, i = this._onPropertyChangedObservable.observers; t < i.length; t++) {
                            var n = i[t];
                            this.BJSINSPECTOR.Inspector.OnPropertyChangedObservable.add(n)
                        }
                        this._onPropertyChangedObservable.clear(),
                        this._onPropertyChangedObservable = void 0
                    }
                    var r = V({
                        overlay: !1,
                        showExplorer: !0,
                        showInspector: !0,
                        embedMode: !1,
                        handleResize: !0,
                        enablePopup: !0
                    }, e);
                    this.BJSINSPECTOR = this.BJSINSPECTOR || this._getGlobalInspector(),
                    this.BJSINSPECTOR.Inspector.Show(this._scene, r)
                }
            }
            ,
            e.prototype.select = function(e, t) {
                this.BJSINSPECTOR && (t && ("[object String]" == Object.prototype.toString.call(t) ? this.BJSINSPECTOR.Inspector.MarkLineContainerTitleForHighlighting(t) : this.BJSINSPECTOR.Inspector.MarkMultipleLineContainerTitlesForHighlighting(t)),
                this.BJSINSPECTOR.Inspector.OnSelectionChangeObservable.notifyObservers(e))
            }
            ,
            e.prototype._getGlobalInspector = function() {
                return "undefined" != typeof INSPECTOR ? INSPECTOR : "undefined" != typeof BABYLON && void 0 !== BABYLON.Inspector ? BABYLON : void 0
            }
            ,
            e.prototype.isVisible = function() {
                return this.BJSINSPECTOR && this.BJSINSPECTOR.Inspector.IsVisible
            }
            ,
            e.prototype.hide = function() {
                this.BJSINSPECTOR && this.BJSINSPECTOR.Inspector.Hide()
            }
            ,
            e.prototype.setAsActiveScene = function() {
                this.BJSINSPECTOR && this.BJSINSPECTOR.Inspector._SetNewScene(this._scene)
            }
            ,
            e.prototype.show = function(t) {
                var i = this;
                return new Promise((function(n) {
                    if (void 0 === i.BJSINSPECTOR) {
                        var r = t && t.inspectorURL ? t.inspectorURL : e.InspectorURL;
                        gi.LoadScript(r, (function() {
                            i._createInspector(t),
                            n(i)
                        }
                        ))
                    } else
                        i._createInspector(t),
                        n(i)
                }
                ))
            }
            ,
            e.InspectorURL = "https://unpkg.com/babylonjs-inspector@".concat(vr.Version, "/babylon.inspector.bundle.js"),
            e
        }();
        function Pl(e) {
            var t, i = [0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11, 12, 13, 14, 12, 14, 15, 16, 17, 18, 16, 18, 19, 20, 21, 22, 20, 22, 23], n = [0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0], r = [], o = e.width || e.size || 1, a = e.height || e.size || 1, s = e.depth || e.size || 1, l = e.wrap || !1, c = void 0 === e.topBaseAt ? 1 : e.topBaseAt, u = void 0 === e.bottomBaseAt ? 0 : e.bottomBaseAt, h = [2, 0, 3, 1][c = (c + 4) % 4], d = [2, 0, 1, 3][u = (u + 4) % 4], p = [1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, -1, -1, -1, -1, -1, 1];
            if (l) {
                i = [2, 3, 0, 2, 0, 1, 4, 5, 6, 4, 6, 7, 9, 10, 11, 9, 11, 8, 12, 14, 15, 12, 13, 14],
                p = [-1, 1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1];
                for (var f = [[1, 1, 1], [-1, 1, 1], [-1, 1, -1], [1, 1, -1]], _ = [[-1, -1, 1], [1, -1, 1], [1, -1, -1], [-1, -1, -1]], m = [17, 18, 19, 16], g = [22, 23, 20, 21]; h > 0; )
                    f.unshift(f.pop()),
                    m.unshift(m.pop()),
                    h--;
                for (; d > 0; )
                    _.unshift(_.pop()),
                    g.unshift(g.pop()),
                    d--;
                f = f.flat(),
                _ = _.flat(),
                p = p.concat(f).concat(_),
                i.push(m[0], m[2], m[3], m[0], m[1], m[2]),
                i.push(g[0], g[2], g[3], g[0], g[1], g[2])
            }
            var v = [o / 2, a / 2, s / 2];
            t = p.reduce((function(e, t, i) {
                return e.concat(t * v[i % 3])
            }
            ), []);
            for (var y = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, b = e.faceUV || new Array(6), T = e.faceColors, E = [], S = 0; S < 6; S++)
                void 0 === b[S] && (b[S] = new R(0,0,1,1)),
                T && void 0 === T[S] && (T[S] = new N(1,1,1,1));
            for (var A = 0; A < 6; A++)
                if (r.push(b[A].z, pr.UseOpenGLOrientationForUV ? 1 - b[A].w : b[A].w),
                r.push(b[A].x, pr.UseOpenGLOrientationForUV ? 1 - b[A].w : b[A].w),
                r.push(b[A].x, pr.UseOpenGLOrientationForUV ? 1 - b[A].y : b[A].y),
                r.push(b[A].z, pr.UseOpenGLOrientationForUV ? 1 - b[A].y : b[A].y),
                T)
                    for (var x = 0; x < 4; x++)
                        E.push(T[A].r, T[A].g, T[A].b, T[A].a);
            $n._ComputeSides(y, t, i, n, r, e.frontUVs, e.backUVs);
            var C = new $n;
            if (C.indices = i,
            C.positions = t,
            C.normals = n,
            C.uvs = r,
            T) {
                var P = y === $n.DOUBLESIDE ? E.concat(E) : E;
                C.colors = P
            }
            return C
        }
        function Ml(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            Pl(t).applyToMesh(n, t.updatable),
            n
        }
        var Il = {
            CreateBox: Ml
        };
        function Ol(e) {
            for (var t = e.segments || 32, i = e.diameterX || e.diameter || 1, n = e.diameterY || e.diameter || 1, r = e.diameterZ || e.diameter || 1, o = e.arc && (e.arc <= 0 || e.arc > 1) ? 1 : e.arc || 1, a = e.slice && e.slice <= 0 ? 1 : e.slice || 1, s = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, l = !!e.dedupTopBottomIndices, c = new x(i / 2,n / 2,r / 2), u = 2 + t, h = 2 * u, d = [], p = [], f = [], _ = [], m = 0; m <= u; m++) {
                for (var g = m / u, v = g * Math.PI * a, y = 0; y <= h; y++) {
                    var b = y / h
                      , T = b * Math.PI * 2 * o
                      , E = P.RotationZ(-v)
                      , S = P.RotationY(T)
                      , A = x.TransformCoordinates(x.Up(), E)
                      , R = x.TransformCoordinates(A, S)
                      , C = R.multiply(c)
                      , M = R.divide(c).normalize();
                    p.push(C.x, C.y, C.z),
                    f.push(M.x, M.y, M.z),
                    _.push(b, pr.UseOpenGLOrientationForUV ? 1 - g : g)
                }
                if (m > 0)
                    for (var I = p.length / 3, O = I - 2 * (h + 1); O + h + 2 < I; O++)
                        l ? (m > 1 && (d.push(O),
                        d.push(O + 1),
                        d.push(O + h + 1)),
                        (m < u || a < 1) && (d.push(O + h + 1),
                        d.push(O + 1),
                        d.push(O + h + 2))) : (d.push(O),
                        d.push(O + 1),
                        d.push(O + h + 1),
                        d.push(O + h + 1),
                        d.push(O + 1),
                        d.push(O + h + 2))
            }
            $n._ComputeSides(s, p, d, f, _, e.frontUVs, e.backUVs);
            var D = new $n;
            return D.indices = d,
            D.positions = p,
            D.normals = f,
            D.uvs = _,
            D
        }
        function Dl(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            Ol(t).applyToMesh(n, t.updatable),
            n
        }
        $n.CreateBox = Pl,
        Vr.CreateBox = function(e, t, i, n, r) {
            return void 0 === i && (i = null),
            Ml(e, {
                size: t,
                sideOrientation: r,
                updatable: n
            }, i)
        }
        ;
        var Nl = {
            CreateSphere: Dl
        };
        $n.CreateSphere = Ol,
        Vr.CreateSphere = function(e, t, i, n, r, o) {
            return Dl(e, {
                segments: t,
                diameterX: i,
                diameterY: i,
                diameterZ: i,
                sideOrientation: o,
                updatable: r
            }, n)
        }
        ;
        var Ll = function() {
            function e(e, t) {
                this.type = e,
                this.jointData = t,
                t.nativeParams = t.nativeParams || {}
            }
            return Object.defineProperty(e.prototype, "physicsJoint", {
                get: function() {
                    return this._physicsJoint
                },
                set: function(e) {
                    this._physicsJoint,
                    this._physicsJoint = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "physicsPlugin", {
                set: function(e) {
                    this._physicsPlugin = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.executeNativeFunction = function(e) {
                e(this._physicsPlugin.world, this._physicsJoint)
            }
            ,
            e.DistanceJoint = 0,
            e.HingeJoint = 1,
            e.BallAndSocketJoint = 2,
            e.WheelJoint = 3,
            e.SliderJoint = 4,
            e.PrismaticJoint = 5,
            e.UniversalJoint = 6,
            e.Hinge2Joint = e.WheelJoint,
            e.PointToPointJoint = 8,
            e.SpringJoint = 9,
            e.LockJoint = 10,
            e
        }()
          , Fl = function(e) {
            function t(t) {
                return e.call(this, Ll.DistanceJoint, t) || this
            }
            return U(t, e),
            t.prototype.updateDistance = function(e, t) {
                this._physicsPlugin.updateDistanceJoint(this, e, t)
            }
            ,
            t
        }(Ll)
          , wl = function(e) {
            function t(t, i) {
                return e.call(this, t, i) || this
            }
            return U(t, e),
            t.prototype.setMotor = function(e, t) {
                this._physicsPlugin.setMotor(this, e || 0, t)
            }
            ,
            t.prototype.setLimit = function(e, t) {
                this._physicsPlugin.setLimit(this, e, t)
            }
            ,
            t
        }(Ll)
          , Bl = function(e) {
            function t(t) {
                return e.call(this, Ll.HingeJoint, t) || this
            }
            return U(t, e),
            t.prototype.setMotor = function(e, t) {
                this._physicsPlugin.setMotor(this, e || 0, t)
            }
            ,
            t.prototype.setLimit = function(e, t) {
                this._physicsPlugin.setLimit(this, e, t)
            }
            ,
            t
        }(wl)
          , Ul = function(e) {
            function t(t) {
                return e.call(this, Ll.Hinge2Joint, t) || this
            }
            return U(t, e),
            t.prototype.setMotor = function(e, t, i) {
                void 0 === i && (i = 0),
                this._physicsPlugin.setMotor(this, e || 0, t, i)
            }
            ,
            t.prototype.setLimit = function(e, t, i) {
                void 0 === i && (i = 0),
                this._physicsPlugin.setLimit(this, e, t, i)
            }
            ,
            t
        }(wl);
        Vr._PhysicsImpostorParser = function(e, t, i) {
            return new Vl(t,i.physicsImpostor,{
                mass: i.physicsMass,
                friction: i.physicsFriction,
                restitution: i.physicsRestitution
            },e)
        }
        ;
        var Vl = function() {
            function e(e, t, i, n) {
                void 0 === i && (i = {
                    mass: 0
                });
                var r = this;
                this.object = e,
                this.type = t,
                this._options = i,
                this._scene = n,
                this._pluginData = {},
                this._bodyUpdateRequired = !1,
                this._onBeforePhysicsStepCallbacks = new Array,
                this._onAfterPhysicsStepCallbacks = new Array,
                this._onPhysicsCollideCallbacks = [],
                this._deltaPosition = x.Zero(),
                this._isDisposed = !1,
                this.soft = !1,
                this.segments = 0,
                this._tmpQuat = new C,
                this._tmpQuat2 = new C,
                this.beforeStep = function() {
                    r._physicsEngine && (r.object.translate(r._deltaPosition, -1),
                    r._deltaRotationConjugated && r.object.rotationQuaternion && r.object.rotationQuaternion.multiplyToRef(r._deltaRotationConjugated, r.object.rotationQuaternion),
                    r.object.computeWorldMatrix(!1),
                    r.object.parent && r.object.rotationQuaternion ? (r.getParentsRotation(),
                    r._tmpQuat.multiplyToRef(r.object.rotationQuaternion, r._tmpQuat)) : r._tmpQuat.copyFrom(r.object.rotationQuaternion || new C),
                    r._options.disableBidirectionalTransformation || r.object.rotationQuaternion && r._physicsEngine.getPhysicsPlugin().setPhysicsBodyTransformation(r, r.object.getAbsolutePosition(), r._tmpQuat),
                    r._onBeforePhysicsStepCallbacks.forEach((function(e) {
                        e(r)
                    }
                    )))
                }
                ,
                this.afterStep = function() {
                    r._physicsEngine && (r._onAfterPhysicsStepCallbacks.forEach((function(e) {
                        e(r)
                    }
                    )),
                    r._physicsEngine.getPhysicsPlugin().setTransformationFromPhysicsBody(r),
                    r.object.parent && r.object.rotationQuaternion && (r.getParentsRotation(),
                    r._tmpQuat.conjugateInPlace(),
                    r._tmpQuat.multiplyToRef(r.object.rotationQuaternion, r.object.rotationQuaternion)),
                    r.object.setAbsolutePosition(r.object.position),
                    r._deltaRotation && r.object.rotationQuaternion && r.object.rotationQuaternion.multiplyToRef(r._deltaRotation, r.object.rotationQuaternion),
                    r.object.translate(r._deltaPosition, 1))
                }
                ,
                this.onCollideEvent = null,
                this.onCollide = function(e) {
                    if ((r._onPhysicsCollideCallbacks.length || r.onCollideEvent) && r._physicsEngine) {
                        var t = r._physicsEngine.getImpostorWithPhysicsBody(e.body);
                        t && (r.onCollideEvent && r.onCollideEvent(r, t),
                        r._onPhysicsCollideCallbacks.filter((function(e) {
                            return -1 !== e.otherImpostors.indexOf(t)
                        }
                        )).forEach((function(i) {
                            i.callback(r, t, e.point)
                        }
                        )))
                    }
                }
                ,
                this.object ? (this.object.parent && 0 !== i.mass && K.Warn("A physics impostor has been created for an object which has a parent. Babylon physics currently works in local space so unexpected issues may occur."),
                !this._scene && e.getScene && (this._scene = e.getScene()),
                this._scene && (this.type > 100 && (this.soft = !0),
                this._physicsEngine = this._scene.getPhysicsEngine(),
                this._physicsEngine ? (this.object.rotationQuaternion || (this.object.rotation ? this.object.rotationQuaternion = C.RotationYawPitchRoll(this.object.rotation.y, this.object.rotation.x, this.object.rotation.z) : this.object.rotationQuaternion = new C),
                this._options.mass = void 0 === i.mass ? 0 : i.mass,
                this._options.friction = void 0 === i.friction ? .2 : i.friction,
                this._options.restitution = void 0 === i.restitution ? .2 : i.restitution,
                this.soft && (this._options.mass = this._options.mass > 0 ? this._options.mass : 1,
                this._options.pressure = void 0 === i.pressure ? 200 : i.pressure,
                this._options.stiffness = void 0 === i.stiffness ? 1 : i.stiffness,
                this._options.velocityIterations = void 0 === i.velocityIterations ? 20 : i.velocityIterations,
                this._options.positionIterations = void 0 === i.positionIterations ? 20 : i.positionIterations,
                this._options.fixedPoints = void 0 === i.fixedPoints ? 0 : i.fixedPoints,
                this._options.margin = void 0 === i.margin ? 0 : i.margin,
                this._options.damping = void 0 === i.damping ? 0 : i.damping,
                this._options.path = void 0 === i.path ? null : i.path,
                this._options.shape = void 0 === i.shape ? null : i.shape),
                this._joints = [],
                !this.object.parent || this._options.ignoreParent ? this._init() : this.object.parent.physicsImpostor && K.Warn("You must affect impostors to children before affecting impostor to parent.")) : K.Error("Physics not enabled. Please use scene.enablePhysics(...) before creating impostors."))) : K.Error("No object was provided. A physics object is obligatory")
            }
            return Object.defineProperty(e.prototype, "isDisposed", {
                get: function() {
                    return this._isDisposed
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mass", {
                get: function() {
                    return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getBodyMass(this) : 0
                },
                set: function(e) {
                    this.setMass(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "friction", {
                get: function() {
                    return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getBodyFriction(this) : 0
                },
                set: function(e) {
                    this._physicsEngine && this._physicsEngine.getPhysicsPlugin().setBodyFriction(this, e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "restitution", {
                get: function() {
                    return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getBodyRestitution(this) : 0
                },
                set: function(e) {
                    this._physicsEngine && this._physicsEngine.getPhysicsPlugin().setBodyRestitution(this, e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "pressure", {
                get: function() {
                    if (!this._physicsEngine)
                        return 0;
                    var e = this._physicsEngine.getPhysicsPlugin();
                    return e.setBodyPressure ? e.getBodyPressure(this) : 0
                },
                set: function(e) {
                    if (this._physicsEngine) {
                        var t = this._physicsEngine.getPhysicsPlugin();
                        t.setBodyPressure && t.setBodyPressure(this, e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "stiffness", {
                get: function() {
                    if (!this._physicsEngine)
                        return 0;
                    var e = this._physicsEngine.getPhysicsPlugin();
                    return e.getBodyStiffness ? e.getBodyStiffness(this) : 0
                },
                set: function(e) {
                    if (this._physicsEngine) {
                        var t = this._physicsEngine.getPhysicsPlugin();
                        t.setBodyStiffness && t.setBodyStiffness(this, e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "velocityIterations", {
                get: function() {
                    if (!this._physicsEngine)
                        return 0;
                    var e = this._physicsEngine.getPhysicsPlugin();
                    return e.getBodyVelocityIterations ? e.getBodyVelocityIterations(this) : 0
                },
                set: function(e) {
                    if (this._physicsEngine) {
                        var t = this._physicsEngine.getPhysicsPlugin();
                        t.setBodyVelocityIterations && t.setBodyVelocityIterations(this, e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "positionIterations", {
                get: function() {
                    if (!this._physicsEngine)
                        return 0;
                    var e = this._physicsEngine.getPhysicsPlugin();
                    return e.getBodyPositionIterations ? e.getBodyPositionIterations(this) : 0
                },
                set: function(e) {
                    if (this._physicsEngine) {
                        var t = this._physicsEngine.getPhysicsPlugin();
                        t.setBodyPositionIterations && t.setBodyPositionIterations(this, e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._init = function() {
                this._physicsEngine && (this._physicsEngine.removeImpostor(this),
                this.physicsBody = null,
                this._parent = this._parent || this._getPhysicsParent(),
                this._isDisposed || this.parent && !this._options.ignoreParent || this._physicsEngine.addImpostor(this))
            }
            ,
            e.prototype._getPhysicsParent = function() {
                return this.object.parent instanceof Sr ? this.object.parent.physicsImpostor : null
            }
            ,
            e.prototype.isBodyInitRequired = function() {
                return this._bodyUpdateRequired || !this._physicsBody && !this._parent
            }
            ,
            e.prototype.setScalingUpdated = function() {
                this.forceUpdate()
            }
            ,
            e.prototype.forceUpdate = function() {
                this._init(),
                this.parent && !this._options.ignoreParent && this.parent.forceUpdate()
            }
            ,
            Object.defineProperty(e.prototype, "physicsBody", {
                get: function() {
                    return this._parent && !this._options.ignoreParent ? this._parent.physicsBody : this._physicsBody
                },
                set: function(e) {
                    this._physicsBody && this._physicsEngine && this._physicsEngine.getPhysicsPlugin().removePhysicsBody(this),
                    this._physicsBody = e,
                    this.resetUpdateFlags()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "parent", {
                get: function() {
                    return !this._options.ignoreParent && this._parent ? this._parent : null
                },
                set: function(e) {
                    this._parent = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.resetUpdateFlags = function() {
                this._bodyUpdateRequired = !1
            }
            ,
            e.prototype.getObjectExtendSize = function() {
                if (this.object.getBoundingInfo) {
                    var t = this.object.rotationQuaternion
                      , i = this.object.scaling.clone();
                    this.object.rotationQuaternion = e.IDENTITY_QUATERNION;
                    var n = this.object.computeWorldMatrix && this.object.computeWorldMatrix(!0);
                    n && n.decompose(i, void 0, void 0);
                    var r = this.object.getBoundingInfo().boundingBox.extendSize.scale(2).multiplyInPlace(i);
                    return r.x = Math.abs(r.x),
                    r.y = Math.abs(r.y),
                    r.z = Math.abs(r.z),
                    this.object.rotationQuaternion = t,
                    this.object.computeWorldMatrix && this.object.computeWorldMatrix(!0),
                    r
                }
                return e.DEFAULT_OBJECT_SIZE
            }
            ,
            e.prototype.getObjectCenter = function() {
                return this.object.getBoundingInfo ? this.object.getBoundingInfo().boundingBox.centerWorld : this.object.position
            }
            ,
            e.prototype.getParam = function(e) {
                return this._options[e]
            }
            ,
            e.prototype.setParam = function(e, t) {
                this._options[e] = t,
                this._bodyUpdateRequired = !0
            }
            ,
            e.prototype.setMass = function(e) {
                this.getParam("mass") !== e && this.setParam("mass", e),
                this._physicsEngine && this._physicsEngine.getPhysicsPlugin().setBodyMass(this, e)
            }
            ,
            e.prototype.getLinearVelocity = function() {
                return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getLinearVelocity(this) : x.Zero()
            }
            ,
            e.prototype.setLinearVelocity = function(e) {
                this._physicsEngine && this._physicsEngine.getPhysicsPlugin().setLinearVelocity(this, e)
            }
            ,
            e.prototype.getAngularVelocity = function() {
                return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getAngularVelocity(this) : x.Zero()
            }
            ,
            e.prototype.setAngularVelocity = function(e) {
                this._physicsEngine && this._physicsEngine.getPhysicsPlugin().setAngularVelocity(this, e)
            }
            ,
            e.prototype.executeNativeFunction = function(e) {
                this._physicsEngine && e(this._physicsEngine.getPhysicsPlugin().world, this.physicsBody)
            }
            ,
            e.prototype.registerBeforePhysicsStep = function(e) {
                this._onBeforePhysicsStepCallbacks.push(e)
            }
            ,
            e.prototype.unregisterBeforePhysicsStep = function(e) {
                var t = this._onBeforePhysicsStepCallbacks.indexOf(e);
                t > -1 ? this._onBeforePhysicsStepCallbacks.splice(t, 1) : K.Warn("Function to remove was not found")
            }
            ,
            e.prototype.registerAfterPhysicsStep = function(e) {
                this._onAfterPhysicsStepCallbacks.push(e)
            }
            ,
            e.prototype.unregisterAfterPhysicsStep = function(e) {
                var t = this._onAfterPhysicsStepCallbacks.indexOf(e);
                t > -1 ? this._onAfterPhysicsStepCallbacks.splice(t, 1) : K.Warn("Function to remove was not found")
            }
            ,
            e.prototype.registerOnPhysicsCollide = function(e, t) {
                var i = e instanceof Array ? e : [e];
                this._onPhysicsCollideCallbacks.push({
                    callback: t,
                    otherImpostors: i
                })
            }
            ,
            e.prototype.unregisterOnPhysicsCollide = function(e, t) {
                var i = e instanceof Array ? e : [e]
                  , n = -1;
                this._onPhysicsCollideCallbacks.some((function(e, r) {
                    if (e.callback === t && e.otherImpostors.length === i.length) {
                        var o = e.otherImpostors.every((function(e) {
                            return i.indexOf(e) > -1
                        }
                        ));
                        return o && (n = r),
                        o
                    }
                    return !1
                }
                )) ? this._onPhysicsCollideCallbacks.splice(n, 1) : K.Warn("Function to remove was not found")
            }
            ,
            e.prototype.getParentsRotation = function() {
                var e = this.object.parent;
                for (this._tmpQuat.copyFromFloats(0, 0, 0, 1); e; )
                    e.rotationQuaternion ? this._tmpQuat2.copyFrom(e.rotationQuaternion) : C.RotationYawPitchRollToRef(e.rotation.y, e.rotation.x, e.rotation.z, this._tmpQuat2),
                    this._tmpQuat.multiplyToRef(this._tmpQuat2, this._tmpQuat),
                    e = e.parent;
                return this._tmpQuat
            }
            ,
            e.prototype.applyForce = function(e, t) {
                return this._physicsEngine && this._physicsEngine.getPhysicsPlugin().applyForce(this, e, t),
                this
            }
            ,
            e.prototype.applyImpulse = function(e, t) {
                return this._physicsEngine && this._physicsEngine.getPhysicsPlugin().applyImpulse(this, e, t),
                this
            }
            ,
            e.prototype.createJoint = function(e, t, i) {
                var n = new Ll(t,i);
                return this.addJoint(e, n),
                this
            }
            ,
            e.prototype.addJoint = function(e, t) {
                return this._joints.push({
                    otherImpostor: e,
                    joint: t
                }),
                this._physicsEngine && this._physicsEngine.addJoint(this, e, t),
                this
            }
            ,
            e.prototype.addAnchor = function(e, t, i, n, r) {
                if (!this._physicsEngine)
                    return this;
                var o = this._physicsEngine.getPhysicsPlugin();
                return o.appendAnchor ? (this._physicsEngine && o.appendAnchor(this, e, t, i, n, r),
                this) : this
            }
            ,
            e.prototype.addHook = function(e, t, i, n) {
                if (!this._physicsEngine)
                    return this;
                var r = this._physicsEngine.getPhysicsPlugin();
                return r.appendAnchor ? (this._physicsEngine && r.appendHook(this, e, t, i, n),
                this) : this
            }
            ,
            e.prototype.sleep = function() {
                return this._physicsEngine && this._physicsEngine.getPhysicsPlugin().sleepBody(this),
                this
            }
            ,
            e.prototype.wakeUp = function() {
                return this._physicsEngine && this._physicsEngine.getPhysicsPlugin().wakeUpBody(this),
                this
            }
            ,
            e.prototype.clone = function(t) {
                return t ? new e(t,this.type,this._options,this._scene) : null
            }
            ,
            e.prototype.dispose = function() {
                var e = this;
                this._physicsEngine && (this._joints.forEach((function(t) {
                    e._physicsEngine && e._physicsEngine.removeJoint(e, t.otherImpostor, t.joint)
                }
                )),
                this._physicsEngine.removeImpostor(this),
                this.parent && this.parent.forceUpdate(),
                this._isDisposed = !0)
            }
            ,
            e.prototype.setDeltaPosition = function(e) {
                this._deltaPosition.copyFrom(e)
            }
            ,
            e.prototype.setDeltaRotation = function(e) {
                this._deltaRotation || (this._deltaRotation = new C),
                this._deltaRotation.copyFrom(e),
                this._deltaRotationConjugated = this._deltaRotation.conjugate()
            }
            ,
            e.prototype.getBoxSizeToRef = function(e) {
                return this._physicsEngine && this._physicsEngine.getPhysicsPlugin().getBoxSizeToRef(this, e),
                this
            }
            ,
            e.prototype.getRadius = function() {
                return this._physicsEngine ? this._physicsEngine.getPhysicsPlugin().getRadius(this) : 0
            }
            ,
            e.prototype.syncBoneWithImpostor = function(t, i, n, r, o) {
                var a = e._TmpVecs[0]
                  , s = this.object;
                if (s.rotationQuaternion)
                    if (o) {
                        var l = e._TmpQuat;
                        s.rotationQuaternion.multiplyToRef(o, l),
                        t.setRotationQuaternion(l, Ji.WORLD, i)
                    } else
                        t.setRotationQuaternion(s.rotationQuaternion, Ji.WORLD, i);
                a.x = 0,
                a.y = 0,
                a.z = 0,
                n && (a.x = n.x,
                a.y = n.y,
                a.z = n.z,
                t.getDirectionToRef(a, i, a),
                null == r && (r = n.length()),
                a.x *= r,
                a.y *= r,
                a.z *= r),
                t.getParent() ? (a.addInPlace(s.getAbsolutePosition()),
                t.setAbsolutePosition(a, i)) : (i.setAbsolutePosition(s.getAbsolutePosition()),
                i.position.x -= a.x,
                i.position.y -= a.y,
                i.position.z -= a.z)
            }
            ,
            e.prototype.syncImpostorWithBone = function(t, i, n, r, o, a) {
                var s = this.object;
                if (s.rotationQuaternion)
                    if (o) {
                        var l = e._TmpQuat;
                        t.getRotationQuaternionToRef(Ji.WORLD, i, l),
                        l.multiplyToRef(o, s.rotationQuaternion)
                    } else
                        t.getRotationQuaternionToRef(Ji.WORLD, i, s.rotationQuaternion);
                var c = e._TmpVecs[0]
                  , u = e._TmpVecs[1];
                a || ((a = e._TmpVecs[2]).x = 0,
                a.y = 1,
                a.z = 0),
                t.getDirectionToRef(a, i, u),
                t.getAbsolutePositionToRef(i, c),
                null == r && n && (r = n.length()),
                null != r && (c.x += u.x * r,
                c.y += u.y * r,
                c.z += u.z * r),
                s.setAbsolutePosition(c)
            }
            ,
            e.DEFAULT_OBJECT_SIZE = new x(1,1,1),
            e.IDENTITY_QUATERNION = C.Identity(),
            e._TmpVecs = g.BuildArray(3, x.Zero),
            e._TmpQuat = C.Identity(),
            e.NoImpostor = 0,
            e.SphereImpostor = 1,
            e.BoxImpostor = 2,
            e.PlaneImpostor = 3,
            e.MeshImpostor = 4,
            e.CapsuleImpostor = 6,
            e.CylinderImpostor = 7,
            e.ParticleImpostor = 8,
            e.HeightmapImpostor = 9,
            e.ConvexHullImpostor = 10,
            e.CustomImpostor = 100,
            e.RopeImpostor = 101,
            e.ClothImpostor = 102,
            e.SoftbodyImpostor = 103,
            e
        }();
        function kl(e) {
            void 0 === e && (e = {
                subdivisions: 2,
                tessellation: 16,
                height: 1,
                radius: .25,
                capSubdivisions: 6
            });
            var t, i, n = Math.max(e.subdivisions ? e.subdivisions : 2, 1), r = Math.max(e.tessellation ? e.tessellation : 16, 3), o = Math.max(e.height ? e.height : 1, 0), a = Math.max(e.radius ? e.radius : .25, 0), s = Math.max(e.capSubdivisions ? e.capSubdivisions : 6, 1), l = r, c = n, u = Math.max(e.radiusTop ? e.radiusTop : a, 0), h = Math.max(e.radiusBottom ? e.radiusBottom : a, 0), d = o - (u + h), p = 2 * Math.PI, f = Math.max(e.topCapSubdivisions ? e.topCapSubdivisions : s, 1), _ = Math.max(e.bottomCapSubdivisions ? e.bottomCapSubdivisions : s, 1), m = Math.acos((h - u) / o), g = [], v = [], y = [], b = [], T = 0, E = [], S = .5 * d, R = .5 * Math.PI, C = x.Zero(), M = x.Zero(), I = Math.cos(m), O = Math.sin(m), D = new A(u * O,S + u * I).subtract(new A(h * O,h * I - S)).length(), N = u * m + D + h * (R - m), L = 0;
            for (i = 0; i <= f; i++) {
                var F = []
                  , w = R - m * (i / f);
                L += u * m / f;
                var B = Math.cos(w)
                  , U = Math.sin(w)
                  , V = B * u;
                for (t = 0; t <= l; t++) {
                    var k = (X = t / l) * p + 0
                      , G = Math.sin(k)
                      , z = Math.cos(k);
                    M.x = V * G,
                    M.y = S + U * u,
                    M.z = V * z,
                    v.push(M.x, M.y, M.z),
                    C.set(B * G, U, B * z),
                    y.push(C.x, C.y, C.z),
                    b.push(X, pr.UseOpenGLOrientationForUV ? L / N : 1 - L / N),
                    F.push(T),
                    T++
                }
                E.push(F)
            }
            var W = o - u - h + I * u - I * h
              , H = O * (h - u) / W;
            for (i = 1; i <= c; i++) {
                for (F = [],
                L += D / c,
                V = O * (i * (h - u) / c + u),
                t = 0; t <= l; t++)
                    k = (X = t / l) * p + 0,
                    G = Math.sin(k),
                    z = Math.cos(k),
                    M.x = V * G,
                    M.y = S + I * u - i * W / c,
                    M.z = V * z,
                    v.push(M.x, M.y, M.z),
                    C.set(G, H, z).normalize(),
                    y.push(C.x, C.y, C.z),
                    b.push(X, pr.UseOpenGLOrientationForUV ? L / N : 1 - L / N),
                    F.push(T),
                    T++;
                E.push(F)
            }
            for (i = 1; i <= _; i++) {
                for (F = [],
                w = R - m - (Math.PI - m) * (i / _),
                L += h * m / _,
                B = Math.cos(w),
                U = Math.sin(w),
                V = B * h,
                t = 0; t <= l; t++) {
                    var X;
                    k = (X = t / l) * p + 0,
                    G = Math.sin(k),
                    z = Math.cos(k),
                    M.x = V * G,
                    M.y = U * h - S,
                    M.z = V * z,
                    v.push(M.x, M.y, M.z),
                    C.set(B * G, U, B * z),
                    y.push(C.x, C.y, C.z),
                    b.push(X, pr.UseOpenGLOrientationForUV ? L / N : 1 - L / N),
                    F.push(T),
                    T++
                }
                E.push(F)
            }
            for (t = 0; t < l; t++)
                for (i = 0; i < f + c + _; i++) {
                    var j = E[i][t]
                      , Y = E[i + 1][t]
                      , K = E[i + 1][t + 1]
                      , Q = E[i][t + 1];
                    g.push(j),
                    g.push(Y),
                    g.push(Q),
                    g.push(Y),
                    g.push(K),
                    g.push(Q)
                }
            if (g = g.reverse(),
            e.orientation && !e.orientation.equals(x.Up())) {
                var q = new P;
                e.orientation.clone().scale(.5 * Math.PI).cross(x.Up()).toQuaternion().toRotationMatrix(q);
                for (var Z = x.Zero(), J = 0; J < v.length; J += 3)
                    Z.set(v[J], v[J + 1], v[J + 2]),
                    x.TransformCoordinatesToRef(Z.clone(), q, Z),
                    v[J] = Z.x,
                    v[J + 1] = Z.y,
                    v[J + 2] = Z.z
            }
            var $ = new $n;
            return $.positions = v,
            $.normals = y,
            $.uvs = b,
            $.indices = g,
            $
        }
        function Gl(e, t, i) {
            void 0 === t && (t = {
                orientation: x.Up(),
                subdivisions: 2,
                tessellation: 16,
                height: 1,
                radius: .25,
                capSubdivisions: 6,
                updatable: !1
            }),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return kl(t).applyToMesh(n, t.updatable),
            n
        }
        var zl = {
            CreateCapsule: Gl
        };
        Vr.CreateCapsule = function(e, t, i) {
            return Gl(e, t, i)
        }
        ,
        $n.CreateCapsule = kl;
        var Wl = function() {
            function e(e) {
                if (this._impostors = [],
                this._meshes = [],
                this._numMeshes = 0,
                this._debugMeshMeshes = new Array,
                this._scene = e || E.LastCreatedScene,
                this._scene) {
                    var t = this._scene.getPhysicsEngine();
                    t && (this._physicsEnginePlugin = t.getPhysicsPlugin()),
                    this._utilityLayer = new El(this._scene,!1),
                    this._utilityLayer.pickUtilitySceneFirst = !1,
                    this._utilityLayer.utilityLayerScene.autoClearDepthAndStencil = !0
                }
            }
            return e.prototype._updateDebugMeshes = function() {
                for (var e = this._physicsEnginePlugin, t = 0; t < this._numMeshes; t++) {
                    var i = this._impostors[t];
                    if (i)
                        if (i.isDisposed)
                            this.hideImpostor(this._impostors[t--]);
                        else {
                            if (i.type === Vl.MeshImpostor)
                                continue;
                            var n = this._meshes[t];
                            n && e && e.syncMeshWithImpostor(n, i)
                        }
                }
            }
            ,
            e.prototype.showImpostor = function(e, t) {
                if (!this._scene)
                    return null;
                for (var i = 0; i < this._numMeshes; i++)
                    if (this._impostors[i] == e)
                        return null;
                var n = this._getDebugMesh(e, t);
                return n && (this._impostors[this._numMeshes] = e,
                this._meshes[this._numMeshes] = n,
                0 === this._numMeshes && (this._renderFunction = this._updateDebugMeshes.bind(this),
                this._scene.registerBeforeRender(this._renderFunction)),
                this._numMeshes++),
                n
            }
            ,
            e.prototype.hideImpostor = function(e) {
                if (e && this._scene && this._utilityLayer) {
                    for (var t = !1, i = this._utilityLayer.utilityLayerScene, n = 0; n < this._numMeshes; n++)
                        if (this._impostors[n] == e) {
                            var r = this._meshes[n];
                            if (!r)
                                continue;
                            i.removeMesh(r),
                            r.dispose();
                            var o = this._debugMeshMeshes.indexOf(r);
                            o > -1 && this._debugMeshMeshes.splice(o, 1),
                            this._numMeshes--,
                            this._numMeshes > 0 ? (this._meshes[n] = this._meshes[this._numMeshes],
                            this._impostors[n] = this._impostors[this._numMeshes],
                            this._meshes[this._numMeshes] = null,
                            this._impostors[this._numMeshes] = null) : (this._meshes[0] = null,
                            this._impostors[0] = null),
                            t = !0;
                            break
                        }
                    t && 0 === this._numMeshes && this._scene.unregisterBeforeRender(this._renderFunction)
                }
            }
            ,
            e.prototype._getDebugMaterial = function(e) {
                return this._debugMaterial || (this._debugMaterial = new Os("",e),
                this._debugMaterial.wireframe = !0,
                this._debugMaterial.emissiveColor = D.White(),
                this._debugMaterial.disableLighting = !0),
                this._debugMaterial
            }
            ,
            e.prototype._getDebugBoxMesh = function(e) {
                return this._debugBoxMesh || (this._debugBoxMesh = Ml("physicsBodyBoxViewMesh", {
                    size: 1
                }, e),
                this._debugBoxMesh.rotationQuaternion = C.Identity(),
                this._debugBoxMesh.material = this._getDebugMaterial(e),
                this._debugBoxMesh.setEnabled(!1)),
                this._debugBoxMesh.createInstance("physicsBodyBoxViewInstance")
            }
            ,
            e.prototype._getDebugSphereMesh = function(e) {
                return this._debugSphereMesh || (this._debugSphereMesh = Dl("physicsBodySphereViewMesh", {
                    diameter: 1
                }, e),
                this._debugSphereMesh.rotationQuaternion = C.Identity(),
                this._debugSphereMesh.material = this._getDebugMaterial(e),
                this._debugSphereMesh.setEnabled(!1)),
                this._debugSphereMesh.createInstance("physicsBodySphereViewInstance")
            }
            ,
            e.prototype._getDebugCapsuleMesh = function(e) {
                return this._debugCapsuleMesh || (this._debugCapsuleMesh = Gl("physicsBodyCapsuleViewMesh", {
                    height: 1
                }, e),
                this._debugCapsuleMesh.rotationQuaternion = C.Identity(),
                this._debugCapsuleMesh.material = this._getDebugMaterial(e),
                this._debugCapsuleMesh.setEnabled(!1)),
                this._debugCapsuleMesh.createInstance("physicsBodyCapsuleViewInstance")
            }
            ,
            e.prototype._getDebugCylinderMesh = function(e) {
                return this._debugCylinderMesh || (this._debugCylinderMesh = Ys("physicsBodyCylinderViewMesh", {
                    diameterTop: 1,
                    diameterBottom: 1,
                    height: 1
                }, e),
                this._debugCylinderMesh.rotationQuaternion = C.Identity(),
                this._debugCylinderMesh.material = this._getDebugMaterial(e),
                this._debugCylinderMesh.setEnabled(!1)),
                this._debugCylinderMesh.createInstance("physicsBodyCylinderViewInstance")
            }
            ,
            e.prototype._getDebugMeshMesh = function(e, t) {
                var i = new Vr(e.name,t,null,e);
                return i.setParent(e),
                i.position = x.Zero(),
                i.material = this._getDebugMaterial(t),
                this._debugMeshMeshes.push(i),
                i
            }
            ,
            e.prototype._getDebugMesh = function(e, t) {
                var i = this;
                if (!this._utilityLayer)
                    return null;
                if (t && t.parent && t.parent.physicsImpostor)
                    return null;
                var n = null
                  , r = this._utilityLayer.utilityLayerScene;
                switch (e.type) {
                case Vl.BoxImpostor:
                    n = this._getDebugBoxMesh(r),
                    e.getBoxSizeToRef(n.scaling);
                    break;
                case Vl.SphereImpostor:
                    n = this._getDebugSphereMesh(r);
                    var o = e.getRadius();
                    n.scaling.x = 2 * o,
                    n.scaling.y = 2 * o,
                    n.scaling.z = 2 * o;
                    break;
                case Vl.CapsuleImpostor:
                    n = this._getDebugCapsuleMesh(r);
                    var a = e.object.getBoundingInfo();
                    n.scaling.x = 2 * (a.boundingBox.maximum.x - a.boundingBox.minimum.x) * e.object.scaling.x,
                    n.scaling.y = (a.boundingBox.maximum.y - a.boundingBox.minimum.y) * e.object.scaling.y,
                    n.scaling.z = 2 * (a.boundingBox.maximum.z - a.boundingBox.minimum.z) * e.object.scaling.z;
                    break;
                case Vl.MeshImpostor:
                    t && (n = this._getDebugMeshMesh(t, r));
                    break;
                case Vl.NoImpostor:
                    t && t.getChildMeshes().filter((function(e) {
                        return e.physicsImpostor ? 1 : 0
                    }
                    )).forEach((function(e) {
                        if (e.physicsImpostor && "Mesh" === e.getClassName()) {
                            var t = e.getBoundingInfo()
                              , o = t.boundingBox.minimum
                              , a = t.boundingBox.maximum;
                            switch (e.physicsImpostor.type) {
                            case Vl.BoxImpostor:
                                (n = i._getDebugBoxMesh(r)).position.copyFrom(o),
                                n.position.addInPlace(a),
                                n.position.scaleInPlace(.5);
                                break;
                            case Vl.SphereImpostor:
                                n = i._getDebugSphereMesh(r);
                                break;
                            case Vl.CylinderImpostor:
                                n = i._getDebugCylinderMesh(r);
                                break;
                            default:
                                n = null
                            }
                            n && (n.scaling.x = a.x - o.x,
                            n.scaling.y = a.y - o.y,
                            n.scaling.z = a.z - o.z,
                            n.parent = e)
                        }
                    }
                    )),
                    n = null;
                    break;
                case Vl.CylinderImpostor:
                    n = this._getDebugCylinderMesh(r),
                    a = e.object.getBoundingInfo(),
                    n.scaling.x = (a.boundingBox.maximum.x - a.boundingBox.minimum.x) * e.object.scaling.x,
                    n.scaling.y = (a.boundingBox.maximum.y - a.boundingBox.minimum.y) * e.object.scaling.y,
                    n.scaling.z = (a.boundingBox.maximum.z - a.boundingBox.minimum.z) * e.object.scaling.z
                }
                return n
            }
            ,
            e.prototype.dispose = function() {
                for (var e = this._numMeshes, t = 0; t < e; t++)
                    this.hideImpostor(this._impostors[0]);
                this._debugBoxMesh && this._debugBoxMesh.dispose(),
                this._debugSphereMesh && this._debugSphereMesh.dispose(),
                this._debugCylinderMesh && this._debugCylinderMesh.dispose(),
                this._debugMaterial && this._debugMaterial.dispose(),
                this._impostors.length = 0,
                this._scene = null,
                this._physicsEnginePlugin = null,
                this._utilityLayer && (this._utilityLayer.dispose(),
                this._utilityLayer = null)
            }
            ,
            e
        }();
        Vr._instancedMeshFactory = function(e, t) {
            var i = new Hl(e,t);
            if (t.instancedBuffers)
                for (var n in i.instancedBuffers = {},
                t.instancedBuffers)
                    i.instancedBuffers[n] = t.instancedBuffers[n];
            return i
        }
        ;
        var Hl = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i.getScene()) || this;
                n._indexInSourceMeshInstanceArray = -1,
                n._distanceToCamera = 0,
                i.addInstance(n),
                n._sourceMesh = i,
                n._unIndexed = i._unIndexed,
                n.position.copyFrom(i.position),
                n.rotation.copyFrom(i.rotation),
                n.scaling.copyFrom(i.scaling),
                i.rotationQuaternion && (n.rotationQuaternion = i.rotationQuaternion.clone()),
                n.animations = gi.Slice(i.animations);
                for (var r = 0, o = i.getAnimationRanges(); r < o.length; r++) {
                    var a = o[r];
                    null != a && n.createAnimationRange(a.name, a.from, a.to)
                }
                return n.infiniteDistance = i.infiniteDistance,
                n.setPivotMatrix(i.getPivotMatrix()),
                n.refreshBoundingInfo(!0, !0),
                n._syncSubMeshes(),
                n
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "InstancedMesh"
            }
            ,
            Object.defineProperty(t.prototype, "lightSources", {
                get: function() {
                    return this._sourceMesh._lightSources
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._resyncLightSources = function() {}
            ,
            t.prototype._resyncLightSource = function() {}
            ,
            t.prototype._removeLightSource = function() {}
            ,
            Object.defineProperty(t.prototype, "receiveShadows", {
                get: function() {
                    return this._sourceMesh.receiveShadows
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._sourceMesh.material
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "visibility", {
                get: function() {
                    return this._sourceMesh.visibility
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "skeleton", {
                get: function() {
                    return this._sourceMesh.skeleton
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "renderingGroupId", {
                get: function() {
                    return this._sourceMesh.renderingGroupId
                },
                set: function(e) {
                    this._sourceMesh && e !== this._sourceMesh.renderingGroupId && K.Warn("Note - setting renderingGroupId of an instanced mesh has no effect on the scene")
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getTotalVertices = function() {
                return this._sourceMesh ? this._sourceMesh.getTotalVertices() : 0
            }
            ,
            t.prototype.getTotalIndices = function() {
                return this._sourceMesh.getTotalIndices()
            }
            ,
            Object.defineProperty(t.prototype, "sourceMesh", {
                get: function() {
                    return this._sourceMesh
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.createInstance = function(e) {
                return this._sourceMesh.createInstance(e)
            }
            ,
            t.prototype.isReady = function(e) {
                return void 0 === e && (e = !1),
                this._sourceMesh.isReady(e, !0)
            }
            ,
            t.prototype.getVerticesData = function(e, t) {
                return this._sourceMesh.getVerticesData(e, t)
            }
            ,
            t.prototype.setVerticesData = function(e, t, i, n) {
                return this.sourceMesh && this.sourceMesh.setVerticesData(e, t, i, n),
                this.sourceMesh
            }
            ,
            t.prototype.updateVerticesData = function(e, t, i, n) {
                return this.sourceMesh && this.sourceMesh.updateVerticesData(e, t, i, n),
                this.sourceMesh
            }
            ,
            t.prototype.setIndices = function(e, t) {
                return void 0 === t && (t = null),
                this.sourceMesh && this.sourceMesh.setIndices(e, t),
                this.sourceMesh
            }
            ,
            t.prototype.isVerticesDataPresent = function(e) {
                return this._sourceMesh.isVerticesDataPresent(e)
            }
            ,
            t.prototype.getIndices = function() {
                return this._sourceMesh.getIndices()
            }
            ,
            Object.defineProperty(t.prototype, "_positions", {
                get: function() {
                    return this._sourceMesh._positions
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.refreshBoundingInfo = function(e, t) {
                if (void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                this.hasBoundingInfo && this.getBoundingInfo().isLocked)
                    return this;
                var i = this._sourceMesh.geometry ? this._sourceMesh.geometry.boundingBias : null;
                return this._refreshBoundingInfo(this._sourceMesh._getPositionData(e, t), i),
                this
            }
            ,
            t.prototype._preActivate = function() {
                return this._currentLOD && this._currentLOD._preActivate(),
                this
            }
            ,
            t.prototype._activate = function(e, t) {
                if (this._sourceMesh.subMeshes || K.Warn("Instances should only be created for meshes with geometry."),
                this._currentLOD) {
                    if (this._currentLOD._getWorldMatrixDeterminant() >= 0 != this._getWorldMatrixDeterminant() >= 0)
                        return this._internalAbstractMeshDataInfo._actAsRegularMesh = !0,
                        !0;
                    if (this._internalAbstractMeshDataInfo._actAsRegularMesh = !1,
                    this._currentLOD._registerInstanceForRenderId(this, e),
                    t) {
                        if (!this._currentLOD._internalAbstractMeshDataInfo._isActiveIntermediate)
                            return this._currentLOD._internalAbstractMeshDataInfo._onlyForInstancesIntermediate = !0,
                            !0
                    } else if (!this._currentLOD._internalAbstractMeshDataInfo._isActive)
                        return this._currentLOD._internalAbstractMeshDataInfo._onlyForInstances = !0,
                        !0
                }
                return !1
            }
            ,
            t.prototype._postActivate = function() {
                this._sourceMesh.edgesShareWithInstances && this._sourceMesh._edgesRenderer && this._sourceMesh._edgesRenderer.isEnabled && this._sourceMesh._renderingGroup ? (this._sourceMesh._renderingGroup._edgesRenderers.pushNoDuplicate(this._sourceMesh._edgesRenderer),
                this._sourceMesh._edgesRenderer.customInstances.push(this.getWorldMatrix())) : this._edgesRenderer && this._edgesRenderer.isEnabled && this._sourceMesh._renderingGroup && this._sourceMesh._renderingGroup._edgesRenderers.push(this._edgesRenderer)
            }
            ,
            t.prototype.getWorldMatrix = function() {
                if (this._currentLOD && this._currentLOD.billboardMode !== yr.BILLBOARDMODE_NONE && this._currentLOD._masterMesh !== this) {
                    this._billboardWorldMatrix || (this._billboardWorldMatrix = new P);
                    var t = this._currentLOD._masterMesh;
                    return this._currentLOD._masterMesh = this,
                    I.Vector3[7].copyFrom(this._currentLOD.position),
                    this._currentLOD.position.set(0, 0, 0),
                    this._billboardWorldMatrix.copyFrom(this._currentLOD.computeWorldMatrix(!0)),
                    this._currentLOD.position.copyFrom(I.Vector3[7]),
                    this._currentLOD._masterMesh = t,
                    this._billboardWorldMatrix
                }
                return e.prototype.getWorldMatrix.call(this)
            }
            ,
            Object.defineProperty(t.prototype, "isAnInstance", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getLOD = function(e) {
                if (!e)
                    return this;
                var t = this.sourceMesh.getLODLevels();
                if (t && 0 !== t.length) {
                    var i = this.getBoundingInfo();
                    this._currentLOD = this.sourceMesh.getLOD(e, i.boundingSphere)
                } else
                    this._currentLOD = this.sourceMesh;
                return this._currentLOD
            }
            ,
            t.prototype._preActivateForIntermediateRendering = function(e) {
                return this.sourceMesh._preActivateForIntermediateRendering(e)
            }
            ,
            t.prototype._syncSubMeshes = function() {
                if (this.releaseSubMeshes(),
                this._sourceMesh.subMeshes)
                    for (var e = 0; e < this._sourceMesh.subMeshes.length; e++)
                        this._sourceMesh.subMeshes[e].clone(this, this._sourceMesh);
                return this
            }
            ,
            t.prototype._generatePointsArray = function() {
                return this._sourceMesh._generatePointsArray()
            }
            ,
            t.prototype._updateBoundingInfo = function() {
                return this.hasBoundingInfo ? this.getBoundingInfo().update(this.worldMatrixFromCache) : this.buildBoundingInfo(this.absolutePosition, this.absolutePosition, this.worldMatrixFromCache),
                this._updateSubMeshesBoundingInfo(this.worldMatrixFromCache),
                this
            }
            ,
            t.prototype.clone = function(e, t, i) {
                void 0 === t && (t = null);
                var n = this._sourceMesh.createInstance(e);
                if (fe.DeepCopy(this, n, ["name", "subMeshes", "uniqueId", "parent", "lightSources", "receiveShadows", "material", "visibility", "skeleton", "sourceMesh", "isAnInstance", "facetNb", "isFacetDataEnabled", "isBlocked", "useBones", "hasInstances", "collider", "edgesRenderer", "forward", "up", "right", "absolutePosition", "absoluteScaling", "absoluteRotationQuaternion", "isWorldMatrixFrozen", "nonUniformScaling", "behaviors", "worldMatrixFromCache", "hasThinInstances"], []),
                this.refreshBoundingInfo(),
                t && (n.parent = t),
                !i)
                    for (var r = 0; r < this.getScene().meshes.length; r++) {
                        var o = this.getScene().meshes[r];
                        o.parent === this && o.clone(o.name, n)
                    }
                return n.computeWorldMatrix(!0),
                this.onClonedObservable.notifyObservers(n),
                n
            }
            ,
            t.prototype.dispose = function(t, i) {
                void 0 === i && (i = !1),
                this._sourceMesh.removeInstance(this),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t
        }(Sr);
        Vr.prototype.edgesShareWithInstances = !1,
        Vr.prototype.registerInstancedBuffer = function(e, t) {
            var i, n;
            if (null === (n = null === (i = this._userInstancedBuffersStorage) || void 0 === i ? void 0 : i.vertexBuffers[e]) || void 0 === n || n.dispose(),
            !this.instancedBuffers) {
                this.instancedBuffers = {};
                for (var r = 0, o = this.instances; r < o.length; r++)
                    o[r].instancedBuffers = {};
                this._userInstancedBuffersStorage = {
                    data: {},
                    vertexBuffers: {},
                    strides: {},
                    sizes: {},
                    vertexArrayObjects: this.getEngine().getCaps().vertexArrayObject ? {} : void 0
                }
            }
            this.instancedBuffers[e] = null,
            this._userInstancedBuffersStorage.strides[e] = t,
            this._userInstancedBuffersStorage.sizes[e] = 32 * t,
            this._userInstancedBuffersStorage.data[e] = new Float32Array(this._userInstancedBuffersStorage.sizes[e]),
            this._userInstancedBuffersStorage.vertexBuffers[e] = new Bi(this.getEngine(),this._userInstancedBuffersStorage.data[e],e,!0,!1,t,!0);
            for (var a = 0, s = this.instances; a < s.length; a++)
                s[a].instancedBuffers[e] = null;
            this._invalidateInstanceVertexArrayObject()
        }
        ,
        Vr.prototype._processInstancedBuffers = function(e, t) {
            var i = e.length;
            for (var n in this.instancedBuffers) {
                for (var r = this._userInstancedBuffersStorage.sizes[n], o = this._userInstancedBuffersStorage.strides[n], a = (i + 1) * o; r < a; )
                    r *= 2;
                this._userInstancedBuffersStorage.data[n].length != r && (this._userInstancedBuffersStorage.data[n] = new Float32Array(r),
                this._userInstancedBuffersStorage.sizes[n] = r,
                this._userInstancedBuffersStorage.vertexBuffers[n] && (this._userInstancedBuffersStorage.vertexBuffers[n].dispose(),
                this._userInstancedBuffersStorage.vertexBuffers[n] = null));
                var s = this._userInstancedBuffersStorage.data[n]
                  , l = 0;
                t && ((u = this.instancedBuffers[n]).toArray ? u.toArray(s, l) : u.copyToArray ? u.copyToArray(s, l) : s[l] = u,
                l += o);
                for (var c = 0; c < i; c++) {
                    var u;
                    (u = e[c].instancedBuffers[n]).toArray ? u.toArray(s, l) : u.copyToArray ? u.copyToArray(s, l) : s[l] = u,
                    l += o
                }
                this._userInstancedBuffersStorage.vertexBuffers[n] ? this._userInstancedBuffersStorage.vertexBuffers[n].updateDirectly(s, 0) : (this._userInstancedBuffersStorage.vertexBuffers[n] = new Bi(this.getEngine(),this._userInstancedBuffersStorage.data[n],n,!0,!1,o,!0),
                this._invalidateInstanceVertexArrayObject())
            }
        }
        ,
        Vr.prototype._invalidateInstanceVertexArrayObject = function() {
            if (this._userInstancedBuffersStorage && void 0 !== this._userInstancedBuffersStorage.vertexArrayObjects) {
                for (var e in this._userInstancedBuffersStorage.vertexArrayObjects)
                    this.getEngine().releaseVertexArrayObject(this._userInstancedBuffersStorage.vertexArrayObjects[e]);
                this._userInstancedBuffersStorage.vertexArrayObjects = {}
            }
        }
        ,
        Vr.prototype._disposeInstanceSpecificData = function() {
            for (this._instanceDataStorage.instancesBuffer && (this._instanceDataStorage.instancesBuffer.dispose(),
            this._instanceDataStorage.instancesBuffer = null); this.instances.length; )
                this.instances[0].dispose();
            for (var e in this.instancedBuffers)
                this._userInstancedBuffersStorage.vertexBuffers[e] && this._userInstancedBuffersStorage.vertexBuffers[e].dispose();
            this._invalidateInstanceVertexArrayObject(),
            this.instancedBuffers = {}
        }
        ;
        var Xl = {
            effect: null,
            subMesh: null
        }
          , jl = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = {}),
                void 0 === o && (o = !0);
                var a = e.call(this, t, i, o) || this;
                return a._textures = {},
                a._textureArrays = {},
                a._externalTextures = {},
                a._floats = {},
                a._ints = {},
                a._floatsArrays = {},
                a._colors3 = {},
                a._colors3Arrays = {},
                a._colors4 = {},
                a._colors4Arrays = {},
                a._vectors2 = {},
                a._vectors3 = {},
                a._vectors4 = {},
                a._matrices = {},
                a._matrixArrays = {},
                a._matrices3x3 = {},
                a._matrices2x2 = {},
                a._vectors2Arrays = {},
                a._vectors3Arrays = {},
                a._vectors4Arrays = {},
                a._uniformBuffers = {},
                a._textureSamplers = {},
                a._storageBuffers = {},
                a._cachedWorldViewMatrix = new P,
                a._cachedWorldViewProjectionMatrix = new P,
                a._multiview = !1,
                a._shaderPath = n,
                a._options = V({
                    needAlphaBlending: !1,
                    needAlphaTesting: !1,
                    attributes: ["position", "normal", "uv"],
                    uniforms: ["worldViewProjection"],
                    uniformBuffers: [],
                    samplers: [],
                    externalTextures: [],
                    samplerObjects: [],
                    storageBuffers: [],
                    defines: [],
                    useClipPlane: !1
                }, r),
                a
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "shaderPath", {
                get: function() {
                    return this._shaderPath
                },
                set: function(e) {
                    this._shaderPath = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "options", {
                get: function() {
                    return this._options
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "ShaderMaterial"
            }
            ,
            t.prototype.needAlphaBlending = function() {
                return this.alpha < 1 || this._options.needAlphaBlending
            }
            ,
            t.prototype.needAlphaTesting = function() {
                return this._options.needAlphaTesting
            }
            ,
            t.prototype._checkUniform = function(e) {
                -1 === this._options.uniforms.indexOf(e) && this._options.uniforms.push(e)
            }
            ,
            t.prototype.setTexture = function(e, t) {
                return -1 === this._options.samplers.indexOf(e) && this._options.samplers.push(e),
                this._textures[e] = t,
                this
            }
            ,
            t.prototype.setTextureArray = function(e, t) {
                return -1 === this._options.samplers.indexOf(e) && this._options.samplers.push(e),
                this._checkUniform(e),
                this._textureArrays[e] = t,
                this
            }
            ,
            t.prototype.setExternalTexture = function(e, t) {
                return -1 === this._options.externalTextures.indexOf(e) && this._options.externalTextures.push(e),
                this._externalTextures[e] = t,
                this
            }
            ,
            t.prototype.setFloat = function(e, t) {
                return this._checkUniform(e),
                this._floats[e] = t,
                this
            }
            ,
            t.prototype.setInt = function(e, t) {
                return this._checkUniform(e),
                this._ints[e] = t,
                this
            }
            ,
            t.prototype.setFloats = function(e, t) {
                return this._checkUniform(e),
                this._floatsArrays[e] = t,
                this
            }
            ,
            t.prototype.setColor3 = function(e, t) {
                return this._checkUniform(e),
                this._colors3[e] = t,
                this
            }
            ,
            t.prototype.setColor3Array = function(e, t) {
                return this._checkUniform(e),
                this._colors3Arrays[e] = t.reduce((function(e, t) {
                    return t.toArray(e, e.length),
                    e
                }
                ), []),
                this
            }
            ,
            t.prototype.setColor4 = function(e, t) {
                return this._checkUniform(e),
                this._colors4[e] = t,
                this
            }
            ,
            t.prototype.setColor4Array = function(e, t) {
                return this._checkUniform(e),
                this._colors4Arrays[e] = t.reduce((function(e, t) {
                    return t.toArray(e, e.length),
                    e
                }
                ), []),
                this
            }
            ,
            t.prototype.setVector2 = function(e, t) {
                return this._checkUniform(e),
                this._vectors2[e] = t,
                this
            }
            ,
            t.prototype.setVector3 = function(e, t) {
                return this._checkUniform(e),
                this._vectors3[e] = t,
                this
            }
            ,
            t.prototype.setVector4 = function(e, t) {
                return this._checkUniform(e),
                this._vectors4[e] = t,
                this
            }
            ,
            t.prototype.setMatrix = function(e, t) {
                return this._checkUniform(e),
                this._matrices[e] = t,
                this
            }
            ,
            t.prototype.setMatrices = function(e, t) {
                this._checkUniform(e);
                for (var i = new Float32Array(16 * t.length), n = 0; n < t.length; n++)
                    t[n].copyToArray(i, 16 * n);
                return this._matrixArrays[e] = i,
                this
            }
            ,
            t.prototype.setMatrix3x3 = function(e, t) {
                return this._checkUniform(e),
                this._matrices3x3[e] = t,
                this
            }
            ,
            t.prototype.setMatrix2x2 = function(e, t) {
                return this._checkUniform(e),
                this._matrices2x2[e] = t,
                this
            }
            ,
            t.prototype.setArray2 = function(e, t) {
                return this._checkUniform(e),
                this._vectors2Arrays[e] = t,
                this
            }
            ,
            t.prototype.setArray3 = function(e, t) {
                return this._checkUniform(e),
                this._vectors3Arrays[e] = t,
                this
            }
            ,
            t.prototype.setArray4 = function(e, t) {
                return this._checkUniform(e),
                this._vectors4Arrays[e] = t,
                this
            }
            ,
            t.prototype.setUniformBuffer = function(e, t) {
                return -1 === this._options.uniformBuffers.indexOf(e) && this._options.uniformBuffers.push(e),
                this._uniformBuffers[e] = t,
                this
            }
            ,
            t.prototype.setTextureSampler = function(e, t) {
                return -1 === this._options.samplerObjects.indexOf(e) && this._options.samplerObjects.push(e),
                this._textureSamplers[e] = t,
                this
            }
            ,
            t.prototype.setStorageBuffer = function(e, t) {
                return -1 === this._options.storageBuffers.indexOf(e) && this._options.storageBuffers.push(e),
                this._storageBuffers[e] = t,
                this
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                return this.isReady(e, i, t)
            }
            ,
            t.prototype.isReady = function(e, t, i) {
                var n, r, o, a, s = i && this._storeEffectOnSubMeshes;
                if (this.isFrozen)
                    if (s) {
                        if (i.effect && i.effect._wasPreviouslyReady)
                            return !0
                    } else {
                        var l = this._drawWrapper.effect;
                        if (l && l._wasPreviouslyReady && this._effectUsesInstances === t)
                            return !0
                    }
                var c = this.getScene()
                  , u = c.getEngine()
                  , h = []
                  , d = []
                  , p = new ys
                  , f = this._shaderPath
                  , _ = this._options.uniforms
                  , m = this._options.uniformBuffers
                  , g = this._options.samplers;
                u.getCaps().multiview && c.activeCamera && c.activeCamera.outputRenderTarget && c.activeCamera.outputRenderTarget.getViewCount() > 1 && (this._multiview = !0,
                h.push("#define MULTIVIEW"),
                -1 !== this._options.uniforms.indexOf("viewProjection") && -1 === this._options.uniforms.indexOf("viewProjectionR") && this._options.uniforms.push("viewProjectionR"));
                for (var v = 0; v < this._options.defines.length; v++) {
                    var y = 0 === this._options.defines[v].indexOf("#define") ? this._options.defines[v] : "#define ".concat(this._options.defines[v]);
                    h.push(y)
                }
                for (v = 0; v < this._options.attributes.length; v++)
                    d.push(this._options.attributes[v]);
                if (e && e.isVerticesDataPresent(Bi.ColorKind) && (d.push(Bi.ColorKind),
                h.push("#define VERTEXCOLOR")),
                t && (h.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(d),
                (null == e ? void 0 : e.hasThinInstances) && (h.push("#define THIN_INSTANCES"),
                e && e.isVerticesDataPresent(Bi.ColorInstanceKind) && (d.push(Bi.ColorInstanceKind),
                h.push("#define INSTANCESCOLOR")))),
                e && e.useBones && e.computeBonesUsingShaders && e.skeleton) {
                    d.push(Bi.MatricesIndicesKind),
                    d.push(Bi.MatricesWeightsKind),
                    e.numBoneInfluencers > 4 && (d.push(Bi.MatricesIndicesExtraKind),
                    d.push(Bi.MatricesWeightsExtraKind));
                    var b = e.skeleton;
                    h.push("#define NUM_BONE_INFLUENCERS " + e.numBoneInfluencers),
                    p.addCPUSkinningFallback(0, e),
                    b.isUsingTextureForMatrices ? (h.push("#define BONETEXTURE"),
                    -1 === this._options.uniforms.indexOf("boneTextureWidth") && this._options.uniforms.push("boneTextureWidth"),
                    -1 === this._options.samplers.indexOf("boneSampler") && this._options.samplers.push("boneSampler")) : (h.push("#define BonesPerMesh " + (b.bones.length + 1)),
                    -1 === this._options.uniforms.indexOf("mBones") && this._options.uniforms.push("mBones"))
                } else
                    h.push("#define NUM_BONE_INFLUENCERS 0");
                var T = 0
                  , E = e ? e.morphTargetManager : null;
                if (E) {
                    var S = E.supportsUVs && -1 !== h.indexOf("#define UV1")
                      , A = E.supportsTangents && -1 !== h.indexOf("#define TANGENT")
                      , x = E.supportsNormals && -1 !== h.indexOf("#define NORMAL");
                    for (T = E.numInfluencers,
                    S && h.push("#define MORPHTARGETS_UV"),
                    A && h.push("#define MORPHTARGETS_TANGENT"),
                    x && h.push("#define MORPHTARGETS_NORMAL"),
                    T > 0 && h.push("#define MORPHTARGETS"),
                    E.isUsingTextureForTargets && (h.push("#define MORPHTARGETS_TEXTURE"),
                    -1 === this._options.uniforms.indexOf("morphTargetTextureIndices") && this._options.uniforms.push("morphTargetTextureIndices"),
                    -1 === this._options.samplers.indexOf("morphTargets") && this._options.samplers.push("morphTargets")),
                    h.push("#define NUM_MORPH_INFLUENCERS " + T),
                    v = 0; v < T; v++)
                        d.push(Bi.PositionKind + v),
                        x && d.push(Bi.NormalKind + v),
                        A && d.push(Bi.TangentKind + v),
                        S && d.push(Bi.UVKind + "_" + v);
                    T > 0 && ((_ = _.slice()).push("morphTargetInfluences"),
                    _.push("morphTargetTextureInfo"),
                    _.push("morphTargetTextureIndices"))
                } else
                    h.push("#define NUM_MORPH_INFLUENCERS 0");
                if (e) {
                    var R = e.bakedVertexAnimationManager;
                    R && R.isEnabled && (h.push("#define BAKED_VERTEX_ANIMATION_TEXTURE"),
                    -1 === this._options.uniforms.indexOf("bakedVertexAnimationSettings") && this._options.uniforms.push("bakedVertexAnimationSettings"),
                    -1 === this._options.uniforms.indexOf("bakedVertexAnimationTextureSizeInverted") && this._options.uniforms.push("bakedVertexAnimationTextureSizeInverted"),
                    -1 === this._options.uniforms.indexOf("bakedVertexAnimationTime") && this._options.uniforms.push("bakedVertexAnimationTime"),
                    -1 === this._options.samplers.indexOf("bakedVertexAnimationTexture") && this._options.samplers.push("bakedVertexAnimationTexture")),
                    Mr.PrepareAttributesForBakedVertexAnimation(d, e, h)
                }
                for (var C in this._textures)
                    if (!this._textures[C].isReady())
                        return !1;
                e && this._shouldTurnAlphaTestOn(e) && h.push("#define ALPHATEST"),
                (null === this._options.useClipPlane && c.clipPlane || this._options.useClipPlane) && (h.push("#define CLIPPLANE"),
                -1 === _.indexOf("vClipPlane") && _.push("vClipPlane")),
                (null === this._options.useClipPlane && c.clipPlane2 || this._options.useClipPlane) && (h.push("#define CLIPPLANE2"),
                -1 === _.indexOf("vClipPlane2") && _.push("vClipPlane2")),
                (null === this._options.useClipPlane && c.clipPlane3 || this._options.useClipPlane) && (h.push("#define CLIPPLANE3"),
                -1 === _.indexOf("vClipPlane3") && _.push("vClipPlane3")),
                (null === this._options.useClipPlane && c.clipPlane4 || this._options.useClipPlane) && (h.push("#define CLIPPLANE4"),
                -1 === _.indexOf("vClipPlane4") && _.push("vClipPlane4")),
                (null === this._options.useClipPlane && c.clipPlane5 || this._options.useClipPlane) && (h.push("#define CLIPPLANE5"),
                -1 === _.indexOf("vClipPlane5") && _.push("vClipPlane5")),
                (null === this._options.useClipPlane && c.clipPlane6 || this._options.useClipPlane) && (h.push("#define CLIPPLANE6"),
                -1 === _.indexOf("vClipPlane6") && _.push("vClipPlane6")),
                this.customShaderNameResolve && (_ = _.slice(),
                m = m.slice(),
                g = g.slice(),
                f = this.customShaderNameResolve(f, _, m, g, h, d));
                var P = s ? i._getDrawWrapper() : this._drawWrapper
                  , M = null !== (n = null == P ? void 0 : P.effect) && void 0 !== n ? n : null
                  , I = null !== (r = null == P ? void 0 : P.defines) && void 0 !== r ? r : null
                  , O = h.join("\n")
                  , D = M;
                return I !== O && (D = u.createEffect(f, {
                    attributes: d,
                    uniformsNames: _,
                    uniformBuffersNames: m,
                    samplers: g,
                    defines: O,
                    fallbacks: p,
                    onCompiled: this.onCompiled,
                    onError: this.onError,
                    indexParameters: {
                        maxSimultaneousMorphTargets: T
                    },
                    shaderLanguage: this._options.shaderLanguage
                }, u),
                s ? i.setEffect(D, O, this._materialContext) : P && P.setEffect(D, O),
                this._onEffectCreatedObservable && (Xl.effect = D,
                Xl.subMesh = null !== (o = null != i ? i : null == e ? void 0 : e.subMeshes[0]) && void 0 !== o ? o : null,
                this._onEffectCreatedObservable.notifyObservers(Xl))),
                this._effectUsesInstances = !!t,
                null !== (a = !(null == D ? void 0 : D.isReady())) && void 0 !== a && !a && (M !== D && c.resetCachedMaterial(),
                D._wasPreviouslyReady = !0,
                !0)
            }
            ,
            t.prototype.bindOnlyWorldMatrix = function(e, t) {
                var i = this.getScene()
                  , n = null != t ? t : this.getEffect();
                n && (-1 !== this._options.uniforms.indexOf("world") && n.setMatrix("world", e),
                -1 !== this._options.uniforms.indexOf("worldView") && (e.multiplyToRef(i.getViewMatrix(), this._cachedWorldViewMatrix),
                n.setMatrix("worldView", this._cachedWorldViewMatrix)),
                -1 !== this._options.uniforms.indexOf("worldViewProjection") && (e.multiplyToRef(i.getTransformMatrix(), this._cachedWorldViewProjectionMatrix),
                n.setMatrix("worldViewProjection", this._cachedWorldViewProjectionMatrix)))
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i) {
                var n;
                this.bind(e, t, null === (n = i._drawWrapperOverride) || void 0 === n ? void 0 : n.effect, i)
            }
            ,
            t.prototype.bind = function(e, t, i, n) {
                var r, o = n && this._storeEffectOnSubMeshes, a = null != i ? i : o ? n.effect : this.getEffect();
                if (a) {
                    this._activeEffect = a,
                    this.bindOnlyWorldMatrix(e, i);
                    var s = this._options.uniformBuffers
                      , l = !1;
                    if (a && s && s.length > 0 && this.getScene().getEngine().supportsUniformBuffers)
                        for (var c = 0; c < s.length; ++c)
                            switch (s[c]) {
                            case "Mesh":
                                t && (t.getMeshUniformBuffer().bindToEffect(a, "Mesh"),
                                t.transferToEffect(e));
                                break;
                            case "Scene":
                                Mr.BindSceneUniformBuffer(a, this.getScene().getSceneUniformBuffer()),
                                this.getScene().finalizeSceneUbo(),
                                l = !0
                            }
                    var u = t && o ? this._mustRebind(this.getScene(), a, t.visibility) : this.getScene().getCachedMaterial() !== this;
                    if (a && u) {
                        var h;
                        for (h in l || -1 === this._options.uniforms.indexOf("view") || a.setMatrix("view", this.getScene().getViewMatrix()),
                        l || -1 === this._options.uniforms.indexOf("projection") || a.setMatrix("projection", this.getScene().getProjectionMatrix()),
                        l || -1 === this._options.uniforms.indexOf("viewProjection") || (a.setMatrix("viewProjection", this.getScene().getTransformMatrix()),
                        this._multiview && a.setMatrix("viewProjectionR", this.getScene()._transformMatrixR)),
                        this.getScene().activeCamera && -1 !== this._options.uniforms.indexOf("cameraPosition") && a.setVector3("cameraPosition", this.getScene().activeCamera.globalPosition),
                        Mr.BindBonesParameters(t, a),
                        Mr.BindClipPlane(a, this.getScene()),
                        this._textures)
                            a.setTexture(h, this._textures[h]);
                        for (h in this._textureArrays)
                            a.setTextureArray(h, this._textureArrays[h]);
                        for (h in this._externalTextures)
                            a.setExternalTexture(h, this._externalTextures[h]);
                        for (h in this._ints)
                            a.setInt(h, this._ints[h]);
                        for (h in this._floats)
                            a.setFloat(h, this._floats[h]);
                        for (h in this._floatsArrays)
                            a.setArray(h, this._floatsArrays[h]);
                        for (h in this._colors3)
                            a.setColor3(h, this._colors3[h]);
                        for (h in this._colors3Arrays)
                            a.setArray3(h, this._colors3Arrays[h]);
                        for (h in this._colors4) {
                            var d = this._colors4[h];
                            a.setFloat4(h, d.r, d.g, d.b, d.a)
                        }
                        for (h in this._colors4Arrays)
                            a.setArray4(h, this._colors4Arrays[h]);
                        for (h in this._vectors2)
                            a.setVector2(h, this._vectors2[h]);
                        for (h in this._vectors3)
                            a.setVector3(h, this._vectors3[h]);
                        for (h in this._vectors4)
                            a.setVector4(h, this._vectors4[h]);
                        for (h in this._matrices)
                            a.setMatrix(h, this._matrices[h]);
                        for (h in this._matrixArrays)
                            a.setMatrices(h, this._matrixArrays[h]);
                        for (h in this._matrices3x3)
                            a.setMatrix3x3(h, this._matrices3x3[h]);
                        for (h in this._matrices2x2)
                            a.setMatrix2x2(h, this._matrices2x2[h]);
                        for (h in this._vectors2Arrays)
                            a.setArray2(h, this._vectors2Arrays[h]);
                        for (h in this._vectors3Arrays)
                            a.setArray3(h, this._vectors3Arrays[h]);
                        for (h in this._vectors4Arrays)
                            a.setArray4(h, this._vectors4Arrays[h]);
                        for (h in this._uniformBuffers) {
                            var p = this._uniformBuffers[h].getBuffer();
                            p && a.bindUniformBuffer(p, h)
                        }
                        for (h in this._textureSamplers)
                            a.setTextureSampler(h, this._textureSamplers[h]);
                        for (h in this._storageBuffers)
                            a.setStorageBuffer(h, this._storageBuffers[h])
                    }
                    if (a && t && (u || !this.isFrozen)) {
                        var f = t.morphTargetManager;
                        f && f.numInfluencers > 0 && Mr.BindMorphTargetParameters(t, a);
                        var _ = t.bakedVertexAnimationManager;
                        _ && _.isEnabled && (null === (r = t.bakedVertexAnimationManager) || void 0 === r || r.bind(a, this._effectUsesInstances))
                    }
                    this._afterBind(t, a)
                }
            }
            ,
            t.prototype.getActiveTextures = function() {
                var t = e.prototype.getActiveTextures.call(this);
                for (var i in this._textures)
                    t.push(this._textures[i]);
                for (var n in this._textureArrays)
                    for (var r = this._textureArrays[n], o = 0; o < r.length; o++)
                        t.push(r[o]);
                return t
            }
            ,
            t.prototype.hasTexture = function(t) {
                if (e.prototype.hasTexture.call(this, t))
                    return !0;
                for (var i in this._textures)
                    if (this._textures[i] === t)
                        return !0;
                for (var n in this._textureArrays)
                    for (var r = this._textureArrays[n], o = 0; o < r.length; o++)
                        if (r[o] === t)
                            return !0;
                return !1
            }
            ,
            t.prototype.clone = function(e) {
                var i = this
                  , n = Ge.Clone((function() {
                    return new t(e,i.getScene(),i._shaderPath,i._options,i._storeEffectOnSubMeshes)
                }
                ), this);
                for (var r in n.name = e,
                n.id = e,
                "object" == typeof n._shaderPath && (n._shaderPath = V({}, n._shaderPath)),
                this._options = V({}, this._options),
                Object.keys(this._options).forEach((function(e) {
                    var t = i._options[e];
                    Array.isArray(t) && (i._options[e] = t.slice(0))
                }
                )),
                this.stencil.copyTo(n.stencil),
                this._textures)
                    n.setTexture(r, this._textures[r]);
                for (var r in this._textureArrays)
                    n.setTextureArray(r, this._textureArrays[r]);
                for (var r in this._externalTextures)
                    n.setExternalTexture(r, this._externalTextures[r]);
                for (var r in this._ints)
                    n.setInt(r, this._ints[r]);
                for (var r in this._floats)
                    n.setFloat(r, this._floats[r]);
                for (var r in this._floatsArrays)
                    n.setFloats(r, this._floatsArrays[r]);
                for (var r in this._colors3)
                    n.setColor3(r, this._colors3[r]);
                for (var r in this._colors3Arrays)
                    n._colors3Arrays[r] = this._colors3Arrays[r];
                for (var r in this._colors4)
                    n.setColor4(r, this._colors4[r]);
                for (var r in this._colors4Arrays)
                    n._colors4Arrays[r] = this._colors4Arrays[r];
                for (var r in this._vectors2)
                    n.setVector2(r, this._vectors2[r]);
                for (var r in this._vectors3)
                    n.setVector3(r, this._vectors3[r]);
                for (var r in this._vectors4)
                    n.setVector4(r, this._vectors4[r]);
                for (var r in this._matrices)
                    n.setMatrix(r, this._matrices[r]);
                for (var r in this._matrixArrays)
                    n._matrixArrays[r] = this._matrixArrays[r].slice();
                for (var r in this._matrices3x3)
                    n.setMatrix3x3(r, this._matrices3x3[r]);
                for (var r in this._matrices2x2)
                    n.setMatrix2x2(r, this._matrices2x2[r]);
                for (var r in this._vectors2Arrays)
                    n.setArray2(r, this._vectors2Arrays[r]);
                for (var r in this._vectors3Arrays)
                    n.setArray3(r, this._vectors3Arrays[r]);
                for (var r in this._vectors4Arrays)
                    n.setArray4(r, this._vectors4Arrays[r]);
                for (var r in this._uniformBuffers)
                    n.setUniformBuffer(r, this._uniformBuffers[r]);
                for (var r in this._textureSamplers)
                    n.setTextureSampler(r, this._textureSamplers[r]);
                for (var r in this._storageBuffers)
                    n.setStorageBuffer(r, this._storageBuffers[r]);
                return n
            }
            ,
            t.prototype.dispose = function(t, i, n) {
                if (i) {
                    var r;
                    for (r in this._textures)
                        this._textures[r].dispose();
                    for (r in this._textureArrays)
                        for (var o = this._textureArrays[r], a = 0; a < o.length; a++)
                            o[a].dispose()
                }
                this._textures = {},
                e.prototype.dispose.call(this, t, i, n)
            }
            ,
            t.prototype.serialize = function() {
                var e, t = Ge.Serialize(this);
                for (e in t.customType = "BABYLON.ShaderMaterial",
                t.options = this._options,
                t.shaderPath = this._shaderPath,
                t.storeEffectOnSubMeshes = this._storeEffectOnSubMeshes,
                t.stencil = this.stencil.serialize(),
                t.textures = {},
                this._textures)
                    t.textures[e] = this._textures[e].serialize();
                for (e in t.textureArrays = {},
                this._textureArrays) {
                    t.textureArrays[e] = [];
                    for (var i = this._textureArrays[e], n = 0; n < i.length; n++)
                        t.textureArrays[e].push(i[n].serialize())
                }
                for (e in t.ints = {},
                this._ints)
                    t.ints[e] = this._ints[e];
                for (e in t.floats = {},
                this._floats)
                    t.floats[e] = this._floats[e];
                for (e in t.FloatArrays = {},
                this._floatsArrays)
                    t.FloatArrays[e] = this._floatsArrays[e];
                for (e in t.colors3 = {},
                this._colors3)
                    t.colors3[e] = this._colors3[e].asArray();
                for (e in t.colors3Arrays = {},
                this._colors3Arrays)
                    t.colors3Arrays[e] = this._colors3Arrays[e];
                for (e in t.colors4 = {},
                this._colors4)
                    t.colors4[e] = this._colors4[e].asArray();
                for (e in t.colors4Arrays = {},
                this._colors4Arrays)
                    t.colors4Arrays[e] = this._colors4Arrays[e];
                for (e in t.vectors2 = {},
                this._vectors2)
                    t.vectors2[e] = this._vectors2[e].asArray();
                for (e in t.vectors3 = {},
                this._vectors3)
                    t.vectors3[e] = this._vectors3[e].asArray();
                for (e in t.vectors4 = {},
                this._vectors4)
                    t.vectors4[e] = this._vectors4[e].asArray();
                for (e in t.matrices = {},
                this._matrices)
                    t.matrices[e] = this._matrices[e].asArray();
                for (e in t.matrixArray = {},
                this._matrixArrays)
                    t.matrixArray[e] = this._matrixArrays[e];
                for (e in t.matrices3x3 = {},
                this._matrices3x3)
                    t.matrices3x3[e] = this._matrices3x3[e];
                for (e in t.matrices2x2 = {},
                this._matrices2x2)
                    t.matrices2x2[e] = this._matrices2x2[e];
                for (e in t.vectors2Arrays = {},
                this._vectors2Arrays)
                    t.vectors2Arrays[e] = this._vectors2Arrays[e];
                for (e in t.vectors3Arrays = {},
                this._vectors3Arrays)
                    t.vectors3Arrays[e] = this._vectors3Arrays[e];
                for (e in t.vectors4Arrays = {},
                this._vectors4Arrays)
                    t.vectors4Arrays[e] = this._vectors4Arrays[e];
                return t
            }
            ,
            t.Parse = function(e, i, n) {
                var r, o = Ge.Parse((function() {
                    return new t(e.name,i,e.shaderPath,e.options,e.storeEffectOnSubMeshes)
                }
                ), e, i, n);
                for (r in e.stencil && o.stencil.parse(e.stencil, i, n),
                e.textures)
                    o.setTexture(r, io.Parse(e.textures[r], i, n));
                for (r in e.textureArrays) {
                    for (var a = e.textureArrays[r], s = new Array, l = 0; l < a.length; l++)
                        s.push(io.Parse(a[l], i, n));
                    o.setTextureArray(r, s)
                }
                for (r in e.ints)
                    o.setInt(r, e.ints[r]);
                for (r in e.floats)
                    o.setFloat(r, e.floats[r]);
                for (r in e.floatsArrays)
                    o.setFloats(r, e.floatsArrays[r]);
                for (r in e.colors3)
                    o.setColor3(r, D.FromArray(e.colors3[r]));
                for (r in e.colors3Arrays) {
                    var c = e.colors3Arrays[r].reduce((function(e, t, i) {
                        return i % 3 == 0 ? e.push([t]) : e[e.length - 1].push(t),
                        e
                    }
                    ), []).map((function(e) {
                        return D.FromArray(e)
                    }
                    ));
                    o.setColor3Array(r, c)
                }
                for (r in e.colors4)
                    o.setColor4(r, N.FromArray(e.colors4[r]));
                for (r in e.colors4Arrays)
                    c = e.colors4Arrays[r].reduce((function(e, t, i) {
                        return i % 4 == 0 ? e.push([t]) : e[e.length - 1].push(t),
                        e
                    }
                    ), []).map((function(e) {
                        return N.FromArray(e)
                    }
                    )),
                    o.setColor4Array(r, c);
                for (r in e.vectors2)
                    o.setVector2(r, A.FromArray(e.vectors2[r]));
                for (r in e.vectors3)
                    o.setVector3(r, x.FromArray(e.vectors3[r]));
                for (r in e.vectors4)
                    o.setVector4(r, R.FromArray(e.vectors4[r]));
                for (r in e.matrices)
                    o.setMatrix(r, P.FromArray(e.matrices[r]));
                for (r in e.matrixArray)
                    o._matrixArrays[r] = new Float32Array(e.matrixArray[r]);
                for (r in e.matrices3x3)
                    o.setMatrix3x3(r, e.matrices3x3[r]);
                for (r in e.matrices2x2)
                    o.setMatrix2x2(r, e.matrices2x2[r]);
                for (r in e.vectors2Arrays)
                    o.setArray2(r, e.vectors2Arrays[r]);
                for (r in e.vectors3Arrays)
                    o.setArray3(r, e.vectors3Arrays[r]);
                for (r in e.vectors4Arrays)
                    o.setArray4(r, e.vectors4Arrays[r]);
                return o
            }
            ,
            t.ParseFromFileAsync = function(e, t, i, n) {
                var r = this;
                return void 0 === n && (n = ""),
                new Promise((function(o, a) {
                    var s = new Ye;
                    s.addEventListener("readystatechange", (function() {
                        if (4 == s.readyState)
                            if (200 == s.status) {
                                var t = JSON.parse(s.responseText)
                                  , l = r.Parse(t, i || E.LastCreatedScene, n);
                                e && (l.name = e),
                                o(l)
                            } else
                                a("Unable to load the ShaderMaterial")
                    }
                    )),
                    s.open("GET", t),
                    s.send()
                }
                ))
            }
            ,
            t.CreateFromSnippetAsync = function(e, t, i) {
                var n = this;
                return void 0 === i && (i = ""),
                new Promise((function(r, o) {
                    var a = new Ye;
                    a.addEventListener("readystatechange", (function() {
                        if (4 == a.readyState)
                            if (200 == a.status) {
                                var s = JSON.parse(JSON.parse(a.responseText).jsonPayload)
                                  , l = JSON.parse(s.shaderMaterial)
                                  , c = n.Parse(l, t || E.LastCreatedScene, i);
                                c.snippetId = e,
                                r(c)
                            } else
                                o("Unable to load the snippet " + e)
                    }
                    )),
                    a.open("GET", n.SnippetUrl + "/" + e.replace(/#/g, "/")),
                    a.send()
                }
                ))
            }
            ,
            t.SnippetUrl = "https://snippet.babylonjs.com",
            t
        }(gs);
        y("BABYLON.ShaderMaterial", jl);
        Pt.ShadersStore.colorPixelShader = "#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#else\nuniform vec4 color;\n#endif\n#include<clipPlaneFragmentDeclaration>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\ngl_FragColor=vColor;\n#else\ngl_FragColor=color;\n#endif\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.colorVertexShader = "attribute vec3 position;\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<clipPlaneVertexDeclaration>\n#include<instancesDeclaration>\nuniform mat4 viewProjection;\n#ifdef MULTIVIEW\nuniform mat4 viewProjectionR;\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 worldPos=finalWorld*vec4(position,1.0);\n#ifdef MULTIVIEW\nif (gl_ViewID_OVR==0u) {\ngl_Position=viewProjection*worldPos;\n} else {\ngl_Position=viewProjectionR*worldPos;\n}\n#else\ngl_Position=viewProjection*worldPos;\n#endif\n#include<clipPlaneVertex>\n#ifdef VERTEXCOLOR\nvColor=color;\n#elif INSTANCESCOLOR\nvColor=instanceColor;\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}",
        Vr._LinesMeshParser = function(e, t) {
            return Yl.Parse(e, t)
        }
        ;
        var Yl = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                void 0 === r && (r = null);
                var c = e.call(this, t, i, n, r, o) || this;
                c.useVertexColor = a,
                c.useVertexAlpha = s,
                c.color = new D(1,1,1),
                c.alpha = 1,
                r && (c.color = r.color.clone(),
                c.alpha = r.alpha,
                c.useVertexColor = r.useVertexColor,
                c.useVertexAlpha = r.useVertexAlpha),
                c.intersectionThreshold = .1;
                var u = {
                    attributes: [Bi.PositionKind],
                    uniforms: ["vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "world", "viewProjection"],
                    needAlphaBlending: !0,
                    defines: [],
                    useClipPlane: null
                };
                return !1 === s && (u.needAlphaBlending = !1),
                a ? (u.defines.push("#define VERTEXCOLOR"),
                u.attributes.push(Bi.ColorKind)) : (u.uniforms.push("color"),
                c._color4 = new N),
                c.material = l || new jl("colorShader",c.getScene(),"color",u,!1),
                c
            }
            return U(t, e),
            t.prototype._isShaderMaterial = function(e) {
                return "ShaderMaterial" === e.getClassName()
            }
            ,
            t.prototype.isReady = function() {
                return !!this._lineMaterial.isReady(this, !!this._userInstancedBuffersStorage) && e.prototype.isReady.call(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "LinesMesh"
            }
            ,
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._lineMaterial
                },
                set: function(e) {
                    this._lineMaterial = e,
                    this._lineMaterial.fillMode = Or.LineListDrawMode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "checkCollisions", {
                get: function() {
                    return !1
                },
                set: function(e) {},
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._bind = function() {
                if (!this._geometry)
                    return this;
                var e = this._lineMaterial.getEffect()
                  , t = this.isUnIndexed ? null : this._geometry.getIndexBuffer();
                if (this._userInstancedBuffersStorage ? this._geometry._bind(e, t, this._userInstancedBuffersStorage.vertexBuffers, this._userInstancedBuffersStorage.vertexArrayObjects) : this._geometry._bind(e, t),
                !this.useVertexColor && this._isShaderMaterial(this._lineMaterial)) {
                    var i = this.color
                      , n = i.r
                      , r = i.g
                      , o = i.b;
                    this._color4.set(n, r, o, this.alpha),
                    this._lineMaterial.setColor4("color", this._color4)
                }
                return this
            }
            ,
            t.prototype._draw = function(e, t, i) {
                if (!this._geometry || !this._geometry.getVertexBuffers() || !this._unIndexed && !this._geometry.getIndexBuffer())
                    return this;
                var n = this.getScene().getEngine();
                return this._unIndexed ? n.drawArraysType(Or.LineListDrawMode, e.verticesStart, e.verticesCount, i) : n.drawElementsType(Or.LineListDrawMode, e.indexStart, e.indexCount, i),
                this
            }
            ,
            t.prototype.dispose = function(t) {
                this._lineMaterial.dispose(!1, !1, !0),
                e.prototype.dispose.call(this, t)
            }
            ,
            t.prototype.clone = function(e, i, n) {
                return void 0 === i && (i = null),
                new t(e,this.getScene(),i,this,n)
            }
            ,
            t.prototype.createInstance = function(e) {
                var t = new Kl(e,this);
                if (this.instancedBuffers)
                    for (var i in t.instancedBuffers = {},
                    this.instancedBuffers)
                        t.instancedBuffers[i] = this.instancedBuffers[i];
                return t
            }
            ,
            t.prototype.serialize = function(t) {
                e.prototype.serialize.call(this, t),
                t.color = this.color.asArray(),
                t.alpha = this.alpha
            }
            ,
            t.Parse = function(e, i) {
                var n = new t(e.name,i);
                return n.color = D.FromArray(e.color),
                n.alpha = e.alpha,
                n
            }
            ,
            t
        }(Vr)
          , Kl = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.intersectionThreshold = i.intersectionThreshold,
                n
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "InstancedLinesMesh"
            }
            ,
            t
        }(Hl);
        function Ql(e) {
            for (var t = [], i = [], n = e.lines, r = e.colors, o = [], a = 0, s = 0; s < n.length; s++)
                for (var l = n[s], c = 0; c < l.length; c++) {
                    if (i.push(l[c].x, l[c].y, l[c].z),
                    r) {
                        var u = r[s];
                        o.push(u[c].r, u[c].g, u[c].b, u[c].a)
                    }
                    c > 0 && (t.push(a - 1),
                    t.push(a)),
                    a++
                }
            var h = new $n;
            return h.indices = t,
            h.positions = i,
            r && (h.colors = o),
            h
        }
        function ql(e) {
            var t, i, n = e.dashSize || 3, r = e.gapSize || 1, o = e.dashNb || 200, a = e.points, s = new Array, l = new Array, c = x.Zero(), u = 0, h = 0, d = 0, p = 0, f = 0;
            for (f = 0; f < a.length - 1; f++)
                a[f + 1].subtractToRef(a[f], c),
                u += c.length();
            for (i = n * (t = u / o) / (n + r),
            f = 0; f < a.length - 1; f++) {
                a[f + 1].subtractToRef(a[f], c),
                h = Math.floor(c.length() / t),
                c.normalize();
                for (var _ = 0; _ < h; _++)
                    d = t * _,
                    s.push(a[f].x + d * c.x, a[f].y + d * c.y, a[f].z + d * c.z),
                    s.push(a[f].x + (d + i) * c.x, a[f].y + (d + i) * c.y, a[f].z + (d + i) * c.z),
                    l.push(p, p + 1),
                    p += 2
            }
            var m = new $n;
            return m.positions = s,
            m.indices = l,
            m
        }
        function Zl(e, t, i) {
            var n = t.instance
              , r = t.lines
              , o = t.colors;
            if (n) {
                var a = n.getVerticesData(Bi.PositionKind)
                  , s = void 0
                  , l = void 0;
                o && (s = n.getVerticesData(Bi.ColorKind));
                for (var c = 0, u = 0, h = 0; h < r.length; h++)
                    for (var d = r[h], p = 0; p < d.length; p++)
                        a[c] = d[p].x,
                        a[c + 1] = d[p].y,
                        a[c + 2] = d[p].z,
                        o && s && (l = o[h],
                        s[u] = l[p].r,
                        s[u + 1] = l[p].g,
                        s[u + 2] = l[p].b,
                        s[u + 3] = l[p].a,
                        u += 4),
                        c += 3;
                return n.updateVerticesData(Bi.PositionKind, a, !1, !1),
                o && s && n.updateVerticesData(Bi.ColorKind, s, !1, !1),
                n
            }
            var f = new Yl(e,i,null,void 0,void 0,!!o,t.useVertexAlpha,t.material);
            return Ql(t).applyToMesh(f, t.updatable),
            f
        }
        function Jl(e, t, i) {
            void 0 === i && (i = null);
            var n = t.colors ? [t.colors] : null;
            return Zl(e, {
                lines: [t.points],
                updatable: t.updatable,
                instance: t.instance,
                colors: n,
                useVertexAlpha: t.useVertexAlpha,
                material: t.material
            }, i)
        }
        function $l(e, t, i) {
            void 0 === i && (i = null);
            var n = t.points
              , r = t.instance
              , o = t.gapSize || 1
              , a = t.dashSize || 3;
            if (r)
                return r.updateMeshPositions((function(e) {
                    var t, i, o = x.Zero(), a = e.length / 6, s = 0, l = 0, c = 0, u = 0, h = 0, d = 0;
                    for (h = 0; h < n.length - 1; h++)
                        n[h + 1].subtractToRef(n[h], o),
                        s += o.length();
                    t = s / a;
                    var p = r._creationDataStorage.dashSize;
                    for (i = p * t / (p + r._creationDataStorage.gapSize),
                    h = 0; h < n.length - 1; h++)
                        for (n[h + 1].subtractToRef(n[h], o),
                        l = Math.floor(o.length() / t),
                        o.normalize(),
                        d = 0; d < l && u < e.length; )
                            c = t * d,
                            e[u] = n[h].x + c * o.x,
                            e[u + 1] = n[h].y + c * o.y,
                            e[u + 2] = n[h].z + c * o.z,
                            e[u + 3] = n[h].x + (c + i) * o.x,
                            e[u + 4] = n[h].y + (c + i) * o.y,
                            e[u + 5] = n[h].z + (c + i) * o.z,
                            u += 6,
                            d++;
                    for (; u < e.length; )
                        e[u] = n[h].x,
                        e[u + 1] = n[h].y,
                        e[u + 2] = n[h].z,
                        u += 3
                }
                ), !1),
                r;
            var s = new Yl(e,i,null,void 0,void 0,void 0,t.useVertexAlpha,t.material);
            return ql(t).applyToMesh(s, t.updatable),
            s._creationDataStorage = new Lr,
            s._creationDataStorage.dashSize = a,
            s._creationDataStorage.gapSize = o,
            s
        }
        var ec = {
            CreateDashedLines: $l,
            CreateLineSystem: Zl,
            CreateLines: Jl
        };
        $n.CreateLineSystem = Ql,
        $n.CreateDashedLines = ql,
        Vr.CreateLines = function(e, t, i, n, r) {
            return void 0 === i && (i = null),
            void 0 === n && (n = !1),
            void 0 === r && (r = null),
            Jl(e, {
                points: t,
                updatable: n,
                instance: r
            }, i)
        }
        ,
        Vr.CreateDashedLines = function(e, t, i, n, r, o, a, s) {
            return void 0 === o && (o = null),
            $l(e, {
                points: t,
                dashSize: i,
                gapSize: n,
                dashNb: r,
                updatable: a,
                instance: s
            }, o)
        }
        ;
        var tc = function() {
            function e(e) {
                this.ray = e
            }
            return e.CreateAndShow = function(t, i, n) {
                var r = new e(t);
                return r.show(i, n),
                r
            }
            ,
            e.prototype.show = function(e, t) {
                if (!this._renderFunction && this.ray) {
                    var i = this.ray;
                    this._renderFunction = this._render.bind(this),
                    this._scene = e,
                    this._renderPoints = [i.origin, i.origin.add(i.direction.scale(i.length))],
                    this._renderLine = Jl("ray", {
                        points: this._renderPoints,
                        updatable: !0
                    }, e),
                    this._renderLine.isPickable = !1,
                    this._renderFunction && this._scene.registerBeforeRender(this._renderFunction)
                }
                t && this._renderLine && this._renderLine.color.copyFrom(t)
            }
            ,
            e.prototype.hide = function() {
                this._renderFunction && this._scene && (this._scene.unregisterBeforeRender(this._renderFunction),
                this._scene = null,
                this._renderFunction = null,
                this._renderLine && (this._renderLine.dispose(),
                this._renderLine = null),
                this._renderPoints = [])
            }
            ,
            e.prototype._render = function() {
                var e, t = this.ray;
                if (t) {
                    var i = this._renderPoints[1]
                      , n = Math.min(t.length, 1e6);
                    i.copyFrom(t.direction),
                    i.scaleInPlace(n),
                    i.addInPlace(t.origin),
                    this._renderPoints[0].copyFrom(t.origin),
                    Jl("ray", {
                        points: this._renderPoints,
                        updatable: !0,
                        instance: this._renderLine
                    }, this._scene),
                    null === (e = this._renderLine) || void 0 === e || e.refreshBoundingInfo()
                }
            }
            ,
            e.prototype.attachToMesh = function(e, t, i, n) {
                var r = this;
                this._attachedToMesh = e;
                var o = this.ray;
                o && (o.direction || (o.direction = x.Zero()),
                o.origin || (o.origin = x.Zero()),
                n && (o.length = n),
                i || (i = x.Zero()),
                t || (t = new x(0,0,-1)),
                this._scene || (this._scene = e.getScene()),
                this._meshSpaceDirection ? (this._meshSpaceDirection.copyFrom(t),
                this._meshSpaceOrigin.copyFrom(i)) : (this._meshSpaceDirection = t.clone(),
                this._meshSpaceOrigin = i.clone()),
                this._onAfterRenderObserver || (this._onAfterRenderObserver = this._scene.onBeforeRenderObservable.add((function() {
                    return r._updateToMesh()
                }
                )),
                this._onAfterStepObserver = this._scene.onAfterStepObservable.add((function() {
                    return r._updateToMesh()
                }
                ))),
                this._attachedToMesh.computeWorldMatrix(!0),
                this._updateToMesh())
            }
            ,
            e.prototype.detachFromMesh = function() {
                this._attachedToMesh && this._scene && (this._onAfterRenderObserver && (this._scene.onBeforeRenderObservable.remove(this._onAfterRenderObserver),
                this._scene.onAfterStepObservable.remove(this._onAfterStepObserver)),
                this._attachedToMesh = null,
                this._onAfterRenderObserver = null,
                this._onAfterStepObserver = null,
                this._scene = null)
            }
            ,
            e.prototype._updateToMesh = function() {
                var e = this.ray;
                this._attachedToMesh && e && (this._attachedToMesh.isDisposed() ? this.detachFromMesh() : (this._attachedToMesh.getDirectionToRef(this._meshSpaceDirection, e.direction),
                x.TransformCoordinatesToRef(this._meshSpaceOrigin, this._attachedToMesh.getWorldMatrix(), e.origin)))
            }
            ,
            e.prototype.dispose = function() {
                this.hide(),
                this.detachFromMesh(),
                this.ray = null
            }
            ,
            e
        }();
        function ic(e) {
            var t = e.pathArray
              , i = e.closeArray || !1
              , n = e.closePath || !1
              , r = e.invertUV || !1
              , o = Math.floor(t[0].length / 2)
              , a = e.offset || o;
            a = a > o ? o : Math.floor(a);
            var s, l, c, u, h = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, d = e.uvs, p = e.colors, f = [], _ = [], m = [], g = [], v = [], y = [], b = [], T = [], E = [], S = [];
            if (t.length < 2) {
                var A = []
                  , x = [];
                for (c = 0; c < t[0].length - a; c++)
                    A.push(t[0][c]),
                    x.push(t[0][c + a]);
                t = [A, x]
            }
            var R, C, P, M, I, O = 0, D = n ? 1 : 0;
            for (s = t[0].length,
            l = 0; l < t.length; l++) {
                for (b[l] = 0,
                v[l] = [0],
                s = s < (C = (R = t[l]).length) ? s : C,
                u = 0; u < C; )
                    f.push(R[u].x, R[u].y, R[u].z),
                    u > 0 && (P = R[u].subtract(R[u - 1]).length() + b[l],
                    v[l].push(P),
                    b[l] = P),
                    u++;
                n && (u--,
                f.push(R[0].x, R[0].y, R[0].z),
                P = R[u].subtract(R[0]).length() + b[l],
                v[l].push(P),
                b[l] = P),
                E[l] = C + D,
                S[l] = O,
                O += C + D
            }
            var N, L, F = null, w = null;
            for (c = 0; c < s + D; c++) {
                for (T[c] = 0,
                y[c] = [0],
                l = 0; l < t.length - 1; l++)
                    M = t[l],
                    I = t[l + 1],
                    c === s ? (F = M[0],
                    w = I[0]) : (F = M[c],
                    w = I[c]),
                    P = w.subtract(F).length() + T[c],
                    y[c].push(P),
                    T[c] = P;
                i && w && F && (M = t[l],
                I = t[0],
                c === s && (w = I[0]),
                P = w.subtract(F).length() + T[c],
                T[c] = P)
            }
            if (d)
                for (l = 0; l < d.length; l++)
                    g.push(d[l].x, pr.UseOpenGLOrientationForUV ? 1 - d[l].y : d[l].y);
            else
                for (l = 0; l < t.length; l++)
                    for (c = 0; c < s + D; c++)
                        N = 0 != b[l] ? v[l][c] / b[l] : 0,
                        L = 0 != T[c] ? y[c][l] / T[c] : 0,
                        r ? g.push(L, N) : g.push(N, pr.UseOpenGLOrientationForUV ? 1 - L : L);
            for (var B = 0, U = E[l = 0] - 1, V = E[l + 1] - 1, k = U < V ? U : V, G = S[1] - S[0], z = i ? E.length : E.length - 1; B <= k && l < z; )
                _.push(B, B + G, B + 1),
                _.push(B + G + 1, B + 1, B + G),
                (B += 1) === k && (++l == E.length - 1 ? (G = S[0] - S[l],
                U = E[l] - 1,
                V = E[0] - 1) : (G = S[l + 1] - S[l],
                U = E[l] - 1,
                V = E[l + 1] - 1),
                B = S[l],
                k = U < V ? U + B : V + B);
            if ($n.ComputeNormals(f, _, m),
            n) {
                var W = 0
                  , H = 0;
                for (l = 0; l < t.length; l++)
                    W = 3 * S[l],
                    H = l + 1 < t.length ? 3 * (S[l + 1] - 1) : m.length - 3,
                    m[W] = .5 * (m[W] + m[H]),
                    m[W + 1] = .5 * (m[W + 1] + m[H + 1]),
                    m[W + 2] = .5 * (m[W + 2] + m[H + 2]),
                    m[H] = m[W],
                    m[H + 1] = m[W + 1],
                    m[H + 2] = m[W + 2]
            }
            $n._ComputeSides(h, f, _, m, g, e.frontUVs, e.backUVs);
            var X = null;
            if (p) {
                X = new Float32Array(4 * p.length);
                for (var j = 0; j < p.length; j++)
                    X[4 * j] = p[j].r,
                    X[4 * j + 1] = p[j].g,
                    X[4 * j + 2] = p[j].b,
                    X[4 * j + 3] = p[j].a
            }
            var Y = new $n
              , K = new Float32Array(f)
              , Q = new Float32Array(m)
              , q = new Float32Array(g);
            return Y.indices = _,
            Y.positions = K,
            Y.normals = Q,
            Y.uvs = q,
            X && Y.set(X, Bi.ColorKind),
            n && (Y._idx = S),
            Y
        }
        function nc(e, t, i) {
            void 0 === i && (i = null);
            var n = t.pathArray
              , r = t.closeArray
              , o = t.closePath
              , a = Vr._GetDefaultSideOrientation(t.sideOrientation)
              , s = t.instance
              , l = t.updatable;
            if (s) {
                var c = I.Vector3[0].setAll(Number.MAX_VALUE)
                  , u = I.Vector3[1].setAll(-Number.MAX_VALUE)
                  , h = s.getVerticesData(Bi.PositionKind);
                if (function(e) {
                    for (var t = n[0].length, i = s, r = 0, o = i._originalBuilderSideOrientation === Vr.DOUBLESIDE ? 2 : 1, a = 1; a <= o; ++a)
                        for (var l = 0; l < n.length; ++l) {
                            var h = n[l]
                              , d = h.length;
                            t = t < d ? t : d;
                            for (var p = 0; p < t; ++p) {
                                var f = h[p];
                                e[r] = f.x,
                                e[r + 1] = f.y,
                                e[r + 2] = f.z,
                                c.minimizeInPlaceFromFloats(f.x, f.y, f.z),
                                u.maximizeInPlaceFromFloats(f.x, f.y, f.z),
                                r += 3
                            }
                            i._creationDataStorage && i._creationDataStorage.closePath && (f = h[0],
                            e[r] = f.x,
                            e[r + 1] = f.y,
                            e[r + 2] = f.z,
                            r += 3)
                        }
                }(h),
                s.hasBoundingInfo ? s.getBoundingInfo().reConstruct(c, u, s._worldMatrix) : s.buildBoundingInfo(c, u, s._worldMatrix),
                s.updateVerticesData(Bi.PositionKind, h, !1, !1),
                t.colors) {
                    for (var d = s.getVerticesData(Bi.ColorKind), p = 0, f = 0; p < t.colors.length; p++,
                    f += 4) {
                        var _ = t.colors[p];
                        d[f] = _.r,
                        d[f + 1] = _.g,
                        d[f + 2] = _.b,
                        d[f + 3] = _.a
                    }
                    s.updateVerticesData(Bi.ColorKind, d, !1, !1)
                }
                if (t.uvs) {
                    for (var m = s.getVerticesData(Bi.UVKind), g = 0; g < t.uvs.length; g++)
                        m[2 * g] = t.uvs[g].x,
                        m[2 * g + 1] = pr.UseOpenGLOrientationForUV ? 1 - t.uvs[g].y : t.uvs[g].y;
                    s.updateVerticesData(Bi.UVKind, m, !1, !1)
                }
                if (!s.areNormalsFrozen || s.isFacetDataEnabled) {
                    var v = s.getIndices()
                      , y = s.getVerticesData(Bi.NormalKind)
                      , b = s.isFacetDataEnabled ? s.getFacetDataParameters() : null;
                    if ($n.ComputeNormals(h, v, y, b),
                    s._creationDataStorage && s._creationDataStorage.closePath)
                        for (var T = 0, E = 0, S = 0; S < n.length; S++)
                            T = 3 * s._creationDataStorage.idx[S],
                            E = S + 1 < n.length ? 3 * (s._creationDataStorage.idx[S + 1] - 1) : y.length - 3,
                            y[T] = .5 * (y[T] + y[E]),
                            y[T + 1] = .5 * (y[T + 1] + y[E + 1]),
                            y[T + 2] = .5 * (y[T + 2] + y[E + 2]),
                            y[E] = y[T],
                            y[E + 1] = y[T + 1],
                            y[E + 2] = y[T + 2];
                    s.areNormalsFrozen || s.updateVerticesData(Bi.NormalKind, y, !1, !1)
                }
                return s
            }
            var A = new Vr(e,i);
            A._originalBuilderSideOrientation = a,
            A._creationDataStorage = new Lr;
            var x = ic(t);
            return o && (A._creationDataStorage.idx = x._idx),
            A._creationDataStorage.closePath = o,
            A._creationDataStorage.closeArray = r,
            x.applyToMesh(A, l),
            A
        }
        var rc = {
            CreateRibbon: nc
        };
        function oc(e, t, i) {
            void 0 === i && (i = null);
            var n = t.path
              , r = t.shape
              , o = t.scale || 1
              , a = t.rotation || 0
              , s = 0 === t.cap ? 0 : t.cap || Vr.NO_CAP
              , l = t.updatable
              , c = Vr._GetDefaultSideOrientation(t.sideOrientation)
              , u = t.instance || null
              , h = t.invertUV || !1
              , d = t.closeShape || !1;
            return sc(e, r, n, o, a, null, null, t.closePath || !1, d, s, !1, i, !!l, c, u, h, t.frontUVs || null, t.backUVs || null)
        }
        function ac(e, t, i) {
            void 0 === i && (i = null);
            var n = t.path;
            return sc(e, t.shape, n, null, null, t.scaleFunction || function() {
                return 1
            }
            , t.rotationFunction || function() {
                return 0
            }
            , t.closePath || t.ribbonCloseArray || !1, t.closeShape || t.ribbonClosePath || !1, 0 === t.cap ? 0 : t.cap || Vr.NO_CAP, !0, i, !!t.updatable, Vr._GetDefaultSideOrientation(t.sideOrientation), t.instance || null, t.invertUV || !1, t.frontUVs || null, t.backUVs || null)
        }
        function sc(e, t, i, n, r, o, a, s, l, c, u, h, d, p, f, _, m, g) {
            var v, y, b = function(e, t, i, n, r, o, a, s, l, c) {
                for (var u = i.getTangents(), h = i.getNormals(), d = i.getBinormals(), p = i.getDistances(), f = 0, _ = c && s ? s : function() {
                    return null !== o ? o : 0
                }
                , m = c && a ? a : function() {
                    return null !== r ? r : 1
                }
                , g = l === Vr.NO_CAP || l === Vr.CAP_END ? 0 : 2, v = I.Matrix[0], y = 0; y < t.length; y++) {
                    for (var b = new Array, T = _(y, p[y]), E = m(y, p[y]), S = 0; S < e.length; S++) {
                        P.RotationAxisToRef(u[y], f, v);
                        var A = u[y].scale(e[S].z).add(h[y].scale(e[S].x)).add(d[y].scale(e[S].y))
                          , R = b[S] ? b[S] : x.Zero();
                        x.TransformCoordinatesToRef(A, v, R),
                        R.scaleInPlace(E).addInPlace(t[y]),
                        b[S] = R
                    }
                    n[g] = b,
                    f += T,
                    g++
                }
                var C = function(e) {
                    var t, i = Array(), n = x.Zero();
                    for (t = 0; t < e.length; t++)
                        n.addInPlace(e[t]);
                    for (n.scaleInPlace(1 / e.length),
                    t = 0; t < e.length; t++)
                        i.push(n);
                    return i
                };
                switch (l) {
                case Vr.NO_CAP:
                    break;
                case Vr.CAP_START:
                    n[0] = C(n[2]),
                    n[1] = n[2];
                    break;
                case Vr.CAP_END:
                    n[g] = n[g - 1],
                    n[g + 1] = C(n[g - 1]);
                    break;
                case Vr.CAP_ALL:
                    n[0] = C(n[2]),
                    n[1] = n[2],
                    n[g] = n[g - 1],
                    n[g + 1] = C(n[g - 1])
                }
                return n
            };
            if (f) {
                var T = f._creationDataStorage;
                return v = T.path3D.update(i),
                nc("", {
                    pathArray: y = b(t, i, T.path3D, T.pathArray, n, r, o, a, T.cap, u),
                    closeArray: !1,
                    closePath: !1,
                    offset: 0,
                    updatable: !1,
                    sideOrientation: 0,
                    instance: f
                }, h || void 0)
            }
            c = c < 0 || c > 3 ? 0 : c;
            var E = nc(e, {
                pathArray: y = b(t, i, v = new Cn(i), new Array, n, r, o, a, c, u),
                closeArray: s,
                closePath: l,
                updatable: d,
                sideOrientation: p,
                invertUV: _,
                frontUVs: m || void 0,
                backUVs: g || void 0
            }, h);
            return E._creationDataStorage.pathArray = y,
            E._creationDataStorage.path3D = v,
            E._creationDataStorage.cap = c,
            E
        }
        $n.CreateRibbon = ic,
        Vr.CreateRibbon = function(e, t, i, n, r, o, a, s, l) {
            return void 0 === i && (i = !1),
            void 0 === a && (a = !1),
            nc(e, {
                pathArray: t,
                closeArray: i,
                closePath: n,
                offset: r,
                updatable: a,
                sideOrientation: s,
                instance: l
            }, o)
        }
        ;
        var lc = {
            ExtrudeShape: oc,
            ExtrudeShapeCustom: ac
        };
        Vr.ExtrudeShape = function(e, t, i, n, r, o, a, s, l, c) {
            return void 0 === a && (a = null),
            oc(e, {
                shape: t,
                path: i,
                scale: n,
                rotation: r,
                cap: 0 === o ? 0 : o || Vr.NO_CAP,
                sideOrientation: l,
                instance: c,
                updatable: s
            }, a)
        }
        ,
        Vr.ExtrudeShapeCustom = function(e, t, i, n, r, o, a, s, l, c, u, h) {
            return ac(e, {
                shape: t,
                path: i,
                scaleFunction: n,
                rotationFunction: r,
                ribbonCloseArray: o,
                ribbonClosePath: a,
                cap: 0 === s ? 0 : s || Vr.NO_CAP,
                sideOrientation: u,
                instance: h,
                updatable: c
            }, l)
        }
        ;
        var cc = function() {
            function e(t, i, n, r, o, a) {
                var s, l, c, u, h, d, p, f, _, m, g, v, y, b;
                void 0 === r && (r = !0),
                void 0 === o && (o = 3),
                void 0 === a && (a = {}),
                this.skeleton = t,
                this.mesh = i,
                this.autoUpdateBonesMatrices = r,
                this.renderingGroupId = o,
                this.options = a,
                this.color = D.White(),
                this._debugLines = new Array,
                this._localAxes = null,
                this._isEnabled = !0,
                this._obs = null,
                this._scene = n,
                this._ready = !1,
                a.pauseAnimations = null === (s = a.pauseAnimations) || void 0 === s || s,
                a.returnToRest = null !== (l = a.returnToRest) && void 0 !== l && l,
                a.displayMode = null !== (c = a.displayMode) && void 0 !== c ? c : e.DISPLAY_LINES,
                a.displayOptions = null !== (u = a.displayOptions) && void 0 !== u ? u : {},
                a.displayOptions.midStep = null !== (h = a.displayOptions.midStep) && void 0 !== h ? h : .235,
                a.displayOptions.midStepFactor = null !== (d = a.displayOptions.midStepFactor) && void 0 !== d ? d : .155,
                a.displayOptions.sphereBaseSize = null !== (p = a.displayOptions.sphereBaseSize) && void 0 !== p ? p : .15,
                a.displayOptions.sphereScaleUnit = null !== (f = a.displayOptions.sphereScaleUnit) && void 0 !== f ? f : 2,
                a.displayOptions.sphereFactor = null !== (_ = a.displayOptions.sphereFactor) && void 0 !== _ ? _ : .865,
                a.displayOptions.spurFollowsChild = null !== (m = a.displayOptions.spurFollowsChild) && void 0 !== m && m,
                a.displayOptions.showLocalAxes = null !== (g = a.displayOptions.showLocalAxes) && void 0 !== g && g,
                a.displayOptions.localAxesSize = null !== (v = a.displayOptions.localAxesSize) && void 0 !== v ? v : .075,
                a.computeBonesUsingShaders = null === (y = a.computeBonesUsingShaders) || void 0 === y || y,
                a.useAllBones = null === (b = a.useAllBones) || void 0 === b || b;
                var T = i.getVerticesData(Bi.MatricesIndicesKind)
                  , E = i.getVerticesData(Bi.MatricesWeightsKind);
                if (this._boneIndices = new Set,
                !a.useAllBones && T && E)
                    for (var S = 0; S < T.length; ++S) {
                        var A = T[S];
                        0 !== E[S] && this._boneIndices.add(A)
                    }
                this._utilityLayer = new El(this._scene,!1),
                this._utilityLayer.pickUtilitySceneFirst = !1,
                this._utilityLayer.utilityLayerScene.autoClearDepthAndStencil = !0;
                var x = this.options.displayMode || 0;
                x > e.DISPLAY_SPHERE_AND_SPURS && (x = e.DISPLAY_LINES),
                this.displayMode = x,
                this.update(),
                this._bindObs()
            }
            return e.CreateBoneWeightShader = function(e, t) {
                var i, n, r, o, a, s, l = e.skeleton, c = null !== (i = e.colorBase) && void 0 !== i ? i : D.Black(), u = null !== (n = e.colorZero) && void 0 !== n ? n : D.Blue(), h = null !== (r = e.colorQuarter) && void 0 !== r ? r : D.Green(), d = null !== (o = e.colorHalf) && void 0 !== o ? o : D.Yellow(), p = null !== (a = e.colorFull) && void 0 !== a ? a : D.Red(), f = null !== (s = e.targetBoneIndex) && void 0 !== s ? s : 0;
                Mt.ShadersStore["boneWeights:" + l.name + "VertexShader"] = "precision highp float;\n\n        attribute vec3 position;\n        attribute vec2 uv;\n\n        uniform mat4 view;\n        uniform mat4 projection;\n        uniform mat4 worldViewProjection;\n\n        #include<bonesDeclaration>\n        #if NUM_BONE_INFLUENCERS == 0\n            attribute vec4 matricesIndices;\n            attribute vec4 matricesWeights;\n        #endif\n        #include<bakedVertexAnimationDeclaration>\n\n        #include<instancesDeclaration>\n\n        varying vec3 vColor;\n\n        uniform vec3 colorBase;\n        uniform vec3 colorZero;\n        uniform vec3 colorQuarter;\n        uniform vec3 colorHalf;\n        uniform vec3 colorFull;\n\n        uniform float targetBoneIndex;\n\n        void main() {\n            vec3 positionUpdated = position;\n\n            #include<instancesVertex>\n            #include<bonesVertex>\n            #include<bakedVertexAnimation>\n\n            vec4 worldPos = finalWorld * vec4(positionUpdated, 1.0);\n\n            vec3 color = colorBase;\n            float totalWeight = 0.;\n            if(matricesIndices[0] == targetBoneIndex && matricesWeights[0] > 0.){\n                totalWeight += matricesWeights[0];\n            }\n            if(matricesIndices[1] == targetBoneIndex && matricesWeights[1] > 0.){\n                totalWeight += matricesWeights[1];\n            }\n            if(matricesIndices[2] == targetBoneIndex && matricesWeights[2] > 0.){\n                totalWeight += matricesWeights[2];\n            }\n            if(matricesIndices[3] == targetBoneIndex && matricesWeights[3] > 0.){\n                totalWeight += matricesWeights[3];\n            }\n\n            color = mix(color, colorZero, smoothstep(0., 0.25, totalWeight));\n            color = mix(color, colorQuarter, smoothstep(0.25, 0.5, totalWeight));\n            color = mix(color, colorHalf, smoothstep(0.5, 0.75, totalWeight));\n            color = mix(color, colorFull, smoothstep(0.75, 1.0, totalWeight));\n            vColor = color;\n\n        gl_Position = projection * view * worldPos;\n        }",
                Mt.ShadersStore["boneWeights:" + l.name + "FragmentShader"] = "\n            precision highp float;\n            varying vec3 vPosition;\n\n            varying vec3 vColor;\n\n            void main() {\n                vec4 color = vec4(vColor, 1.0);\n                gl_FragColor = color;\n            }\n        ";
                var _ = new jl("boneWeight:" + l.name,t,{
                    vertex: "boneWeights:" + l.name,
                    fragment: "boneWeights:" + l.name
                },{
                    attributes: ["position", "normal", "matricesIndices", "matricesWeights"],
                    uniforms: ["world", "worldView", "worldViewProjection", "view", "projection", "viewProjection", "colorBase", "colorZero", "colorQuarter", "colorHalf", "colorFull", "targetBoneIndex"]
                });
                return _.setColor3("colorBase", c),
                _.setColor3("colorZero", u),
                _.setColor3("colorQuarter", h),
                _.setColor3("colorHalf", d),
                _.setColor3("colorFull", p),
                _.setFloat("targetBoneIndex", f),
                _.getClassName = function() {
                    return "BoneWeightShader"
                }
                ,
                _.transparencyMode = Or.MATERIAL_OPAQUE,
                _
            }
            ,
            e.CreateSkeletonMapShader = function(t, i) {
                var n, r = t.skeleton, o = null !== (n = t.colorMap) && void 0 !== n ? n : [{
                    color: new D(1,.38,.18),
                    location: 0
                }, {
                    color: new D(.59,.18,1),
                    location: .2
                }, {
                    color: new D(.59,1,.18),
                    location: .4
                }, {
                    color: new D(1,.87,.17),
                    location: .6
                }, {
                    color: new D(1,.17,.42),
                    location: .8
                }, {
                    color: new D(.17,.68,1),
                    location: 1
                }], a = r.bones.length + 1, s = e._CreateBoneMapColorBuffer(a, o, i), l = new jl("boneWeights:" + r.name,i,{
                    vertexSource: "precision highp float;\n\n            attribute vec3 position;\n            attribute vec2 uv;\n\n            uniform mat4 view;\n            uniform mat4 projection;\n            uniform mat4 worldViewProjection;\n            uniform float colorMap[" + 4 * r.bones.length + "];\n\n            #include<bonesDeclaration>\n            #if NUM_BONE_INFLUENCERS == 0\n                attribute vec4 matricesIndices;\n                attribute vec4 matricesWeights;\n            #endif\n            #include<bakedVertexAnimationDeclaration>\n            #include<instancesDeclaration>\n\n            varying vec3 vColor;\n\n            void main() {\n                vec3 positionUpdated = position;\n\n                #include<instancesVertex>\n                #include<bonesVertex>\n                #include<bakedVertexAnimation>\n\n                vec3 color = vec3(0.);\n                bool first = true;\n\n                for (int i = 0; i < 4; i++) {\n                    int boneIdx = int(matricesIndices[i]);\n                    float boneWgt = matricesWeights[i];\n\n                    vec3 c = vec3(colorMap[boneIdx * 4 + 0], colorMap[boneIdx * 4 + 1], colorMap[boneIdx * 4 + 2]);\n\n                    if (boneWgt > 0.) {\n                        if (first) {\n                            first = false;\n                            color = c;\n                        } else {\n                            color = mix(color, c, boneWgt);\n                        }\n                    }\n                }\n\n                vColor = color;\n\n                vec4 worldPos = finalWorld * vec4(positionUpdated, 1.0);\n\n                gl_Position = projection * view * worldPos;\n            }",
                    fragmentSource: "\n            precision highp float;\n            varying vec3 vColor;\n\n            void main() {\n                vec4 color = vec4( vColor, 1.0 );\n                gl_FragColor = color;\n            }\n            "
                },{
                    attributes: ["position", "normal", "matricesIndices", "matricesWeights"],
                    uniforms: ["world", "worldView", "worldViewProjection", "view", "projection", "viewProjection", "colorMap"]
                });
                return l.setFloats("colorMap", s),
                l.getClassName = function() {
                    return "SkeletonMapShader"
                }
                ,
                l.transparencyMode = Or.MATERIAL_OPAQUE,
                l
            }
            ,
            e._CreateBoneMapColorBuffer = function(e, t, i) {
                var n = new Ds("temp",{
                    width: e,
                    height: 1
                },i,!1)
                  , r = n.getContext()
                  , o = r.createLinearGradient(0, 0, e, 0);
                t.forEach((function(e) {
                    o.addColorStop(e.location, e.color.toHexString())
                }
                )),
                r.fillStyle = o,
                r.fillRect(0, 0, e, 1),
                n.update();
                for (var a = [], s = r.getImageData(0, 0, e, 1).data, l = 0; l < s.length; l++)
                    a.push(.00392156862745098 * s[l]);
                return n.dispose(),
                a
            }
            ,
            Object.defineProperty(e.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "utilityLayer", {
                get: function() {
                    return this._utilityLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isReady", {
                get: function() {
                    return this._ready
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ready", {
                set: function(e) {
                    this._ready = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "debugMesh", {
                get: function() {
                    return this._debugMesh
                },
                set: function(e) {
                    this._debugMesh = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "displayMode", {
                get: function() {
                    return this.options.displayMode || e.DISPLAY_LINES
                },
                set: function(t) {
                    t > e.DISPLAY_SPHERE_AND_SPURS && (t = e.DISPLAY_LINES),
                    this.options.displayMode = t
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._bindObs = function() {
                var t = this;
                this.displayMode === e.DISPLAY_LINES && (this._obs = this.scene.onBeforeRenderObservable.add((function() {
                    t._displayLinesUpdate()
                }
                )))
            }
            ,
            e.prototype.update = function() {
                switch (this.displayMode) {
                case e.DISPLAY_LINES:
                    this._displayLinesUpdate();
                    break;
                case e.DISPLAY_SPHERES:
                    this._buildSpheresAndSpurs(!0);
                    break;
                case e.DISPLAY_SPHERE_AND_SPURS:
                    this._buildSpheresAndSpurs(!1)
                }
                this._buildLocalAxes()
            }
            ,
            Object.defineProperty(e.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this.isEnabled !== e && (this._isEnabled = e,
                    this.debugMesh && this.debugMesh.setEnabled(e),
                    e && !this._obs ? this._bindObs() : !e && this._obs && (this.scene.onBeforeRenderObservable.remove(this._obs),
                    this._obs = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getBonePosition = function(e, t, i, n, r, o) {
                void 0 === n && (n = 0),
                void 0 === r && (r = 0),
                void 0 === o && (o = 0);
                var a = I.Matrix[0]
                  , s = t.getParent();
                if (a.copyFrom(t.getLocalMatrix()),
                0 !== n || 0 !== r || 0 !== o) {
                    var l = I.Matrix[1];
                    P.IdentityToRef(l),
                    l.setTranslationFromFloats(n, r, o),
                    l.multiplyToRef(a, a)
                }
                s && a.multiplyToRef(s.getAbsoluteTransform(), a),
                a.multiplyToRef(i, a),
                e.x = a.m[12],
                e.y = a.m[13],
                e.z = a.m[14]
            }
            ,
            e.prototype._getLinesForBonesWithLength = function(e, t) {
                for (var i = e.length, n = this.mesh.position, r = 0, o = 0; o < i; o++) {
                    var a = e[o]
                      , s = this._debugLines[r];
                    -1 !== a._index && (this._boneIndices.has(a.getIndex()) || this.options.useAllBones) && (s || (s = [x.Zero(), x.Zero()],
                    this._debugLines[r] = s),
                    this._getBonePosition(s[0], a, t),
                    this._getBonePosition(s[1], a, t, 0, a.length, 0),
                    s[0].subtractInPlace(n),
                    s[1].subtractInPlace(n),
                    r++)
                }
            }
            ,
            e.prototype._getLinesForBonesNoLength = function(e) {
                for (var t = e.length, i = 0, n = this.mesh, r = n.position, o = t - 1; o >= 0; o--) {
                    var a = e[o]
                      , s = a.getParent();
                    if (s && (this._boneIndices.has(a.getIndex()) || this.options.useAllBones)) {
                        var l = this._debugLines[i];
                        l || (l = [x.Zero(), x.Zero()],
                        this._debugLines[i] = l),
                        a.getAbsolutePositionToRef(n, l[0]),
                        s.getAbsolutePositionToRef(n, l[1]),
                        l[0].subtractInPlace(r),
                        l[1].subtractInPlace(r),
                        i++
                    }
                }
            }
            ,
            e.prototype._revert = function(e) {
                this.options.pauseAnimations && (this.scene.animationsEnabled = e,
                this.utilityLayer.utilityLayerScene.animationsEnabled = e)
            }
            ,
            e.prototype._getAbsoluteBindPoseToRef = function(e, t) {
                null !== e && -1 !== e._index ? (this._getAbsoluteBindPoseToRef(e.getParent(), t),
                e.getBaseMatrix().multiplyToRef(t, t)) : t.copyFrom(P.Identity())
            }
            ,
            e.prototype._buildSpheresAndSpurs = function(e) {
                var t, i;
                void 0 === e && (e = !0),
                this._debugMesh && (this._debugMesh.dispose(),
                this._debugMesh = null,
                this.ready = !1),
                this._ready = !1;
                var n = null === (t = this.utilityLayer) || void 0 === t ? void 0 : t.utilityLayerScene
                  , r = this.skeleton.bones
                  , o = []
                  , a = []
                  , s = this.scene.animationsEnabled;
                try {
                    this.options.pauseAnimations && (this.scene.animationsEnabled = !1,
                    n.animationsEnabled = !1),
                    this.options.returnToRest && this.skeleton.returnToRest(),
                    this.autoUpdateBonesMatrices && this.skeleton.computeAbsoluteTransforms();
                    for (var l = Number.NEGATIVE_INFINITY, c = this.options.displayOptions || {}, u = function(t) {
                        var i = r[t];
                        if (-1 === i._index || !h._boneIndices.has(i.getIndex()) && !h.options.useAllBones)
                            return "continue";
                        var s = new P;
                        h._getAbsoluteBindPoseToRef(i, s);
                        var u = new x;
                        s.decompose(void 0, void 0, u),
                        i.children.forEach((function(t) {
                            var r = new P;
                            t.getBaseMatrix().multiplyToRef(s, r);
                            var o = new x;
                            r.decompose(void 0, void 0, o);
                            var h = x.Distance(u, o);
                            if (h > l && (l = h),
                            !e) {
                                for (var d = o.clone().subtract(u.clone()), p = d.length(), f = d.normalize().scale(p), _ = c.midStep || .165, m = c.midStepFactor || .215, g = f.scale(_), v = ac("skeletonViewer", {
                                    shape: [new x(1,-1,0), new x(1,1,0), new x(-1,1,0), new x(-1,-1,0), new x(1,-1,0)],
                                    path: [x.Zero(), g, f],
                                    scaleFunction: function(e) {
                                        switch (e) {
                                        case 0:
                                        case 2:
                                            return 0;
                                        case 1:
                                            return p * m
                                        }
                                        return 0
                                    },
                                    sideOrientation: Vr.DEFAULTSIDE,
                                    updatable: !1
                                }, n), y = v.getTotalVertices(), b = [], T = [], E = 0; E < y; E++)
                                    b.push(1, 0, 0, 0),
                                    c.spurFollowsChild && E > 9 ? T.push(t.getIndex(), 0, 0, 0) : T.push(i.getIndex(), 0, 0, 0);
                                v.position = u.clone(),
                                v.setVerticesData(Bi.MatricesWeightsKind, b, !1),
                                v.setVerticesData(Bi.MatricesIndicesKind, T, !1),
                                v.convertToFlatShadedMesh(),
                                a.push(v)
                            }
                        }
                        ));
                        for (var d = Dl("skeletonViewer", {
                            segments: 6,
                            diameter: c.sphereBaseSize || .2,
                            updatable: !0
                        }, n), p = d.getTotalVertices(), f = [], _ = [], m = 0; m < p; m++)
                            f.push(1, 0, 0, 0),
                            _.push(i.getIndex(), 0, 0, 0);
                        d.setVerticesData(Bi.MatricesWeightsKind, f, !1),
                        d.setVerticesData(Bi.MatricesIndicesKind, _, !1),
                        d.position = u.clone(),
                        o.push([d, i])
                    }, h = this, d = 0; d < r.length; d++)
                        u(d);
                    var p = c.sphereScaleUnit || 2
                      , f = c.sphereFactor || .85
                      , _ = [];
                    for (d = 0; d < o.length; d++) {
                        for (var m = o[d], g = m[0], v = m[1], y = 1 / (p / l), b = 0, T = v; T.getParent() && -1 !== T.getParent().getIndex(); )
                            b++,
                            T = T.getParent();
                        g.scaling.scaleInPlace(y * Math.pow(f, b)),
                        _.push(g)
                    }
                    this.debugMesh = Vr.MergeMeshes(_.concat(a), !0, !0),
                    this.debugMesh && (this.debugMesh.renderingGroupId = this.renderingGroupId,
                    this.debugMesh.skeleton = this.skeleton,
                    this.debugMesh.parent = this.mesh,
                    this.debugMesh.computeBonesUsingShaders = null === (i = this.options.computeBonesUsingShaders) || void 0 === i || i,
                    this.debugMesh.alwaysSelectAsActiveMesh = !0),
                    this.utilityLayer._getSharedGizmoLight().intensity = .7,
                    this._revert(s),
                    this.ready = !0
                } catch (e) {
                    console.error(e),
                    this._revert(s),
                    this.dispose()
                }
            }
            ,
            e.prototype._buildLocalAxes = function() {
                var e;
                this._localAxes && this._localAxes.dispose(),
                this._localAxes = null;
                var t = this.options.displayOptions || {};
                if (t.showLocalAxes) {
                    var i = this._utilityLayer.utilityLayerScene
                      , n = t.localAxesSize || .075
                      , r = []
                      , o = []
                      , a = new N(1,0,0,1)
                      , s = new N(0,1,0,1)
                      , l = new N(0,0,1,1)
                      , c = []
                      , u = [];
                    for (var h in this.skeleton.bones) {
                        var d = this.skeleton.bones[h];
                        if (-1 !== d._index && (this._boneIndices.has(d.getIndex()) || this.options.useAllBones)) {
                            var p = new P
                              , f = new x;
                            this._getAbsoluteBindPoseToRef(d, p),
                            p.decompose(void 0, void 0, f);
                            var _ = d.getBaseMatrix().getRotationMatrix()
                              , m = x.TransformCoordinates(new x(0 + n,0,0), _)
                              , g = x.TransformCoordinates(new x(0,0 + n,0), _)
                              , v = x.TransformCoordinates(new x(0,0,0 + n), _)
                              , y = [[f, f.add(m)], [f, f.add(g)], [f, f.add(v)]]
                              , b = [[a, a], [s, s], [l, l]];
                            r.push.apply(r, y),
                            o.push.apply(o, b);
                            for (var T = 0; T < 6; T++)
                                c.push(1, 0, 0, 0),
                                u.push(d.getIndex(), 0, 0, 0)
                        }
                    }
                    this._localAxes = Zl("localAxes", {
                        lines: r,
                        colors: o,
                        updatable: !0
                    }, i),
                    this._localAxes.setVerticesData(Bi.MatricesWeightsKind, c, !1),
                    this._localAxes.setVerticesData(Bi.MatricesIndicesKind, u, !1),
                    this._localAxes.skeleton = this.skeleton,
                    this._localAxes.renderingGroupId = this.renderingGroupId,
                    this._localAxes.parent = this.mesh,
                    this._localAxes.computeBonesUsingShaders = null === (e = this.options.computeBonesUsingShaders) || void 0 === e || e
                }
            }
            ,
            e.prototype._displayLinesUpdate = function() {
                if (this._utilityLayer) {
                    this.autoUpdateBonesMatrices && this.skeleton.computeAbsoluteTransforms(),
                    void 0 === this.skeleton.bones[0].length ? this._getLinesForBonesNoLength(this.skeleton.bones) : this._getLinesForBonesWithLength(this.skeleton.bones, this.mesh.getWorldMatrix());
                    var e = this._utilityLayer.utilityLayerScene;
                    e && (this._debugMesh ? Zl("", {
                        lines: this._debugLines,
                        updatable: !0,
                        instance: this._debugMesh
                    }, e) : (this._debugMesh = Zl("", {
                        lines: this._debugLines,
                        updatable: !0,
                        instance: null
                    }, e),
                    this._debugMesh.renderingGroupId = this.renderingGroupId),
                    this._debugMesh.position.copyFrom(this.mesh.position),
                    this._debugMesh.color = this.color)
                }
            }
            ,
            e.prototype.changeDisplayMode = function(e) {
                var t = !!this.isEnabled;
                this.displayMode !== e && (this.isEnabled = !1,
                this._debugMesh && (this._debugMesh.dispose(),
                this._debugMesh = null,
                this.ready = !1),
                this.displayMode = e,
                this.update(),
                this._bindObs(),
                this.isEnabled = t)
            }
            ,
            e.prototype.changeDisplayOptions = function(e, t) {
                var i = !!this.isEnabled;
                this.options.displayOptions[e] = t,
                this.isEnabled = !1,
                this._debugMesh && (this._debugMesh.dispose(),
                this._debugMesh = null,
                this.ready = !1),
                this.update(),
                this._bindObs(),
                this.isEnabled = i
            }
            ,
            e.prototype.dispose = function() {
                this.isEnabled = !1,
                this._debugMesh && (this._debugMesh.dispose(),
                this._debugMesh = null),
                this._utilityLayer && (this._utilityLayer.dispose(),
                this._utilityLayer = null),
                this.ready = !1
            }
            ,
            e.DISPLAY_LINES = 0,
            e.DISPLAY_SPHERES = 1,
            e.DISPLAY_SPHERE_AND_SPURS = 2,
            e
        }()
          , uc = function() {
            function e(e, t) {
                this._oldPosition = new x(Number.NaN,Number.NaN,Number.NaN),
                this._oldDirection = new x(Number.NaN,Number.NaN,Number.NaN),
                this._transparency = .3,
                this._showLines = !0,
                this._showPlanes = !0,
                this._scene = e.getScene(),
                this._light = e,
                this._camera = t,
                this._inverseViewMatrix = P.Identity(),
                this._lightHelperFrustumMeshes = [],
                this._createGeometry(),
                this.show(),
                this.update()
            }
            return Object.defineProperty(e.prototype, "transparency", {
                get: function() {
                    return this._transparency
                },
                set: function(e) {
                    this._transparency = e;
                    for (var t = 6; t < 12; ++t)
                        this._lightHelperFrustumMeshes[t].material.alpha = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "showLines", {
                get: function() {
                    return this._showLines
                },
                set: function(e) {
                    if (this._showLines !== e) {
                        this._showLines = e;
                        for (var t = 0; t < 6; ++t)
                            this._lightHelperFrustumMeshes[t].setEnabled(e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "showPlanes", {
                get: function() {
                    return this._showPlanes
                },
                set: function(e) {
                    if (this._showPlanes !== e) {
                        this._showPlanes = e;
                        for (var t = 6; t < 12; ++t)
                            this._lightHelperFrustumMeshes[t].setEnabled(e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.show = function() {
                var e = this;
                this._lightHelperFrustumMeshes.forEach((function(t, i) {
                    t.setEnabled(i < 6 && e._showLines || i >= 6 && e._showPlanes)
                }
                )),
                this._oldPosition.set(Number.NaN, Number.NaN, Number.NaN),
                this._visible = !0
            }
            ,
            e.prototype.hide = function() {
                this._lightHelperFrustumMeshes.forEach((function(e) {
                    e.setEnabled(!1)
                }
                )),
                this._visible = !1
            }
            ,
            e.prototype.update = function() {
                var e, t, i, n, r, o;
                if (this._visible && (!this._oldPosition.equals(this._light.position) || !this._oldDirection.equals(this._light.direction) || this._oldAutoCalc !== this._light.autoCalcShadowZBounds || this._oldMinZ !== this._light.shadowMinZ || this._oldMaxZ !== this._light.shadowMaxZ)) {
                    this._oldPosition.copyFrom(this._light.position),
                    this._oldDirection.copyFrom(this._light.direction),
                    this._oldAutoCalc = this._light.autoCalcShadowZBounds,
                    this._oldMinZ = this._light.shadowMinZ,
                    this._oldMaxZ = this._light.shadowMaxZ,
                    I.Vector3[0].set(this._light.orthoLeft, this._light.orthoBottom, void 0 !== this._light.shadowMinZ ? this._light.shadowMinZ : this._camera.minZ),
                    I.Vector3[1].set(this._light.orthoRight, this._light.orthoTop, void 0 !== this._light.shadowMaxZ ? this._light.shadowMaxZ : this._camera.maxZ);
                    var a = this._getInvertViewMatrix();
                    I.Vector3[2].copyFromFloats(I.Vector3[1].x, I.Vector3[1].y, I.Vector3[0].z),
                    I.Vector3[3].copyFromFloats(I.Vector3[1].x, I.Vector3[0].y, I.Vector3[0].z),
                    I.Vector3[4].copyFromFloats(I.Vector3[0].x, I.Vector3[0].y, I.Vector3[0].z),
                    I.Vector3[5].copyFromFloats(I.Vector3[0].x, I.Vector3[1].y, I.Vector3[0].z),
                    x.TransformCoordinatesToRef(I.Vector3[2], a, I.Vector3[2]),
                    x.TransformCoordinatesToRef(I.Vector3[3], a, I.Vector3[3]),
                    x.TransformCoordinatesToRef(I.Vector3[4], a, I.Vector3[4]),
                    x.TransformCoordinatesToRef(I.Vector3[5], a, I.Vector3[5]),
                    I.Vector3[6].copyFromFloats(I.Vector3[1].x, I.Vector3[1].y, I.Vector3[1].z),
                    I.Vector3[7].copyFromFloats(I.Vector3[1].x, I.Vector3[0].y, I.Vector3[1].z),
                    I.Vector3[8].copyFromFloats(I.Vector3[0].x, I.Vector3[0].y, I.Vector3[1].z),
                    I.Vector3[9].copyFromFloats(I.Vector3[0].x, I.Vector3[1].y, I.Vector3[1].z),
                    x.TransformCoordinatesToRef(I.Vector3[6], a, I.Vector3[6]),
                    x.TransformCoordinatesToRef(I.Vector3[7], a, I.Vector3[7]),
                    x.TransformCoordinatesToRef(I.Vector3[8], a, I.Vector3[8]),
                    x.TransformCoordinatesToRef(I.Vector3[9], a, I.Vector3[9]),
                    Jl("nearlines", {
                        updatable: !0,
                        points: this._nearLinesPoints,
                        instance: this._lightHelperFrustumMeshes[0]
                    }, this._scene),
                    Jl("farlines", {
                        updatable: !0,
                        points: this._farLinesPoints,
                        instance: this._lightHelperFrustumMeshes[1]
                    }, this._scene),
                    Jl("trlines", {
                        updatable: !0,
                        points: this._trLinesPoints,
                        instance: this._lightHelperFrustumMeshes[2]
                    }, this._scene),
                    Jl("brlines", {
                        updatable: !0,
                        points: this._brLinesPoints,
                        instance: this._lightHelperFrustumMeshes[3]
                    }, this._scene),
                    Jl("tllines", {
                        updatable: !0,
                        points: this._tlLinesPoints,
                        instance: this._lightHelperFrustumMeshes[4]
                    }, this._scene),
                    Jl("bllines", {
                        updatable: !0,
                        points: this._blLinesPoints,
                        instance: this._lightHelperFrustumMeshes[5]
                    }, this._scene),
                    I.Vector3[2].toArray(this._nearPlaneVertices, 0),
                    I.Vector3[3].toArray(this._nearPlaneVertices, 3),
                    I.Vector3[4].toArray(this._nearPlaneVertices, 6),
                    I.Vector3[5].toArray(this._nearPlaneVertices, 9),
                    null === (e = this._lightHelperFrustumMeshes[6].geometry) || void 0 === e || e.updateVerticesDataDirectly("position", this._nearPlaneVertices, 0),
                    I.Vector3[6].toArray(this._farPlaneVertices, 0),
                    I.Vector3[7].toArray(this._farPlaneVertices, 3),
                    I.Vector3[8].toArray(this._farPlaneVertices, 6),
                    I.Vector3[9].toArray(this._farPlaneVertices, 9),
                    null === (t = this._lightHelperFrustumMeshes[7].geometry) || void 0 === t || t.updateVerticesDataDirectly("position", this._farPlaneVertices, 0),
                    I.Vector3[2].toArray(this._rightPlaneVertices, 0),
                    I.Vector3[6].toArray(this._rightPlaneVertices, 3),
                    I.Vector3[7].toArray(this._rightPlaneVertices, 6),
                    I.Vector3[3].toArray(this._rightPlaneVertices, 9),
                    null === (i = this._lightHelperFrustumMeshes[8].geometry) || void 0 === i || i.updateVerticesDataDirectly("position", this._rightPlaneVertices, 0),
                    I.Vector3[5].toArray(this._leftPlaneVertices, 0),
                    I.Vector3[9].toArray(this._leftPlaneVertices, 3),
                    I.Vector3[8].toArray(this._leftPlaneVertices, 6),
                    I.Vector3[4].toArray(this._leftPlaneVertices, 9),
                    null === (n = this._lightHelperFrustumMeshes[9].geometry) || void 0 === n || n.updateVerticesDataDirectly("position", this._leftPlaneVertices, 0),
                    I.Vector3[2].toArray(this._topPlaneVertices, 0),
                    I.Vector3[6].toArray(this._topPlaneVertices, 3),
                    I.Vector3[9].toArray(this._topPlaneVertices, 6),
                    I.Vector3[5].toArray(this._topPlaneVertices, 9),
                    null === (r = this._lightHelperFrustumMeshes[10].geometry) || void 0 === r || r.updateVerticesDataDirectly("position", this._topPlaneVertices, 0),
                    I.Vector3[3].toArray(this._bottomPlaneVertices, 0),
                    I.Vector3[7].toArray(this._bottomPlaneVertices, 3),
                    I.Vector3[8].toArray(this._bottomPlaneVertices, 6),
                    I.Vector3[4].toArray(this._bottomPlaneVertices, 9),
                    null === (o = this._lightHelperFrustumMeshes[11].geometry) || void 0 === o || o.updateVerticesDataDirectly("position", this._bottomPlaneVertices, 0)
                }
            }
            ,
            e.prototype.dispose = function() {
                this._lightHelperFrustumMeshes.forEach((function(e) {
                    var t;
                    null === (t = e.material) || void 0 === t || t.dispose(),
                    e.dispose()
                }
                )),
                this._rootNode.dispose()
            }
            ,
            e.prototype._createGeometry = function() {
                var e = this;
                this._rootNode = new yr("directionalLightHelperRoot_" + this._light.name,this._scene),
                this._rootNode.parent = this._light.parent,
                this._nearLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly];
                var t = Jl("nearlines", {
                    updatable: !0,
                    points: this._nearLinesPoints
                }, this._scene);
                t.parent = this._rootNode,
                t.alwaysSelectAsActiveMesh = !0,
                this._farLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly, x.ZeroReadOnly];
                var i = Jl("farlines", {
                    updatable: !0,
                    points: this._farLinesPoints
                }, this._scene);
                i.parent = this._rootNode,
                i.alwaysSelectAsActiveMesh = !0,
                this._trLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly];
                var n = Jl("trlines", {
                    updatable: !0,
                    points: this._trLinesPoints
                }, this._scene);
                n.parent = this._rootNode,
                n.alwaysSelectAsActiveMesh = !0,
                this._brLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly];
                var r = Jl("brlines", {
                    updatable: !0,
                    points: this._brLinesPoints
                }, this._scene);
                r.parent = this._rootNode,
                r.alwaysSelectAsActiveMesh = !0,
                this._tlLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly];
                var o = Jl("tllines", {
                    updatable: !0,
                    points: this._tlLinesPoints
                }, this._scene);
                o.parent = this._rootNode,
                o.alwaysSelectAsActiveMesh = !0,
                this._blLinesPoints = [x.ZeroReadOnly, x.ZeroReadOnly];
                var a = Jl("bllines", {
                    updatable: !0,
                    points: this._blLinesPoints
                }, this._scene);
                a.parent = this._rootNode,
                a.alwaysSelectAsActiveMesh = !0,
                this._lightHelperFrustumMeshes.push(t, i, n, r, o, a);
                var s = function(t, i, n) {
                    var r = new Vr(t + "plane",e._scene)
                      , o = new Os(t + "PlaneMat",e._scene);
                    r.material = o,
                    r.parent = e._rootNode,
                    r.alwaysSelectAsActiveMesh = !0,
                    o.emissiveColor = i,
                    o.alpha = e.transparency,
                    o.backFaceCulling = !1,
                    o.disableLighting = !0;
                    var a = new $n;
                    a.positions = n,
                    a.indices = [0, 1, 2, 0, 2, 3],
                    a.applyToMesh(r, !0),
                    e._lightHelperFrustumMeshes.push(r)
                };
                this._nearPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                this._farPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                this._rightPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                this._leftPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                this._topPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                this._bottomPlaneVertices = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
                s("near", new D(1,0,0), this._nearPlaneVertices),
                s("far", new D(.3,0,0), this._farPlaneVertices),
                s("right", new D(0,1,0), this._rightPlaneVertices),
                s("left", new D(0,.3,0), this._leftPlaneVertices),
                s("top", new D(0,0,1), this._topPlaneVertices),
                s("bottom", new D(0,0,.3), this._bottomPlaneVertices),
                this._nearLinesPoints[0] = I.Vector3[2],
                this._nearLinesPoints[1] = I.Vector3[3],
                this._nearLinesPoints[2] = I.Vector3[4],
                this._nearLinesPoints[3] = I.Vector3[5],
                this._nearLinesPoints[4] = I.Vector3[2],
                this._farLinesPoints[0] = I.Vector3[6],
                this._farLinesPoints[1] = I.Vector3[7],
                this._farLinesPoints[2] = I.Vector3[8],
                this._farLinesPoints[3] = I.Vector3[9],
                this._farLinesPoints[4] = I.Vector3[6],
                this._trLinesPoints[0] = I.Vector3[2],
                this._trLinesPoints[1] = I.Vector3[6],
                this._brLinesPoints[0] = I.Vector3[3],
                this._brLinesPoints[1] = I.Vector3[7],
                this._tlLinesPoints[0] = I.Vector3[4],
                this._tlLinesPoints[1] = I.Vector3[8],
                this._blLinesPoints[0] = I.Vector3[5],
                this._blLinesPoints[1] = I.Vector3[9]
            }
            ,
            e.prototype._getInvertViewMatrix = function() {
                return P.LookAtLHToRef(this._light.position, this._light.position.add(this._light.direction), x.UpReadOnly, this._inverseViewMatrix),
                this._inverseViewMatrix.invertToRef(this._inverseViewMatrix),
                this._inverseViewMatrix
            }
            ,
            e
        }()
          , hc = function() {
            this.renderWidth = 512,
            this.renderHeight = 256,
            this.textureSize = 512,
            this.deterministicLockstep = !1,
            this.lockstepMaxSteps = 4
        }
          , dc = function(t) {
            function i(i) {
                void 0 === i && (i = new hc);
                var n = t.call(this, null) || this;
                vr.Instances.push(n),
                void 0 === i.deterministicLockstep && (i.deterministicLockstep = !1),
                void 0 === i.lockstepMaxSteps && (i.lockstepMaxSteps = 4),
                n._options = i,
                T.SetMatrixPrecision(!!i.useHighPrecisionMatrix),
                n._caps = {
                    maxTexturesImageUnits: 16,
                    maxVertexTextureImageUnits: 16,
                    maxCombinedTexturesImageUnits: 32,
                    maxTextureSize: 512,
                    maxCubemapTextureSize: 512,
                    maxRenderTextureSize: 512,
                    maxVertexAttribs: 16,
                    maxVaryingVectors: 16,
                    maxFragmentUniformVectors: 16,
                    maxVertexUniformVectors: 16,
                    standardDerivatives: !1,
                    astc: null,
                    pvrtc: null,
                    etc1: null,
                    etc2: null,
                    bptc: null,
                    maxAnisotropy: 0,
                    uintIndices: !1,
                    fragmentDepthSupported: !1,
                    highPrecisionShaderSupported: !0,
                    colorBufferFloat: !1,
                    textureFloat: !1,
                    textureFloatLinearFiltering: !1,
                    textureFloatRender: !1,
                    textureHalfFloat: !1,
                    textureHalfFloatLinearFiltering: !1,
                    textureHalfFloatRender: !1,
                    textureLOD: !1,
                    drawBuffersExtension: !1,
                    depthTextureExtension: !1,
                    vertexArrayObject: !1,
                    instancedArrays: !1,
                    supportOcclusionQuery: !1,
                    canUseTimestampForTimerQuery: !1,
                    maxMSAASamples: 1,
                    blendMinMax: !1,
                    canUseGLInstanceID: !1,
                    canUseGLVertexID: !1,
                    supportComputeShaders: !1,
                    supportSRGBBuffers: !1,
                    supportTransformFeedbacks: !1,
                    textureMaxLevel: !1
                },
                n._features = {
                    forceBitmapOverHTMLImageElement: !1,
                    supportRenderAndCopyToLodForFloatTextures: !1,
                    supportDepthStencilTexture: !1,
                    supportShadowSamplers: !1,
                    uniformBufferHardCheckMatrix: !1,
                    allowTexturePrefiltering: !1,
                    trackUbosInFrame: !1,
                    checkUbosContentBeforeUpload: !1,
                    supportCSM: !1,
                    basisNeedsPOT: !1,
                    support3DTextures: !1,
                    needTypeSuffixInShaderConstants: !1,
                    supportMSAA: !1,
                    supportSSAO2: !1,
                    supportExtendedTextureFormats: !1,
                    supportSwitchCaseInShader: !1,
                    supportSyncTextureRead: !1,
                    needsInvertingBitmap: !1,
                    useUBOBindingCache: !1,
                    needShaderCodeInlining: !1,
                    needToAlwaysBindUniformBuffers: !1,
                    supportRenderPasses: !0,
                    _collectUbosUpdatedInFrame: !1
                },
                K.Log("Babylon.js v".concat(vr.Version, " - Null engine"));
                var r = "undefined" != typeof self ? self : void 0 !== e.g ? e.g : window;
                return "undefined" == typeof URL && (r.URL = {
                    createObjectURL: function() {},
                    revokeObjectURL: function() {}
                }),
                "undefined" == typeof Blob && (r.Blob = function() {}
                ),
                n
            }
            return U(i, t),
            i.prototype.isDeterministicLockStep = function() {
                return this._options.deterministicLockstep
            }
            ,
            i.prototype.getLockstepMaxSteps = function() {
                return this._options.lockstepMaxSteps
            }
            ,
            i.prototype.getHardwareScalingLevel = function() {
                return 1
            }
            ,
            i.prototype.createVertexBuffer = function(e) {
                var t = new Bt;
                return t.references = 1,
                t
            }
            ,
            i.prototype.createIndexBuffer = function(e) {
                var t = new Bt;
                return t.references = 1,
                t
            }
            ,
            i.prototype.clear = function(e, t, i, n) {
                void 0 === n && (n = !1)
            }
            ,
            i.prototype.getRenderWidth = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.width : this._options.renderWidth
            }
            ,
            i.prototype.getRenderHeight = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.height : this._options.renderHeight
            }
            ,
            i.prototype.setViewport = function(e, t, i) {
                this._cachedViewport = e
            }
            ,
            i.prototype.createShaderProgram = function(e, t, i, n, r) {
                return {
                    __SPECTOR_rebuildProgram: null
                }
            }
            ,
            i.prototype.getUniforms = function(e, t) {
                return []
            }
            ,
            i.prototype.getAttributes = function(e, t) {
                return []
            }
            ,
            i.prototype.bindSamplers = function(e) {
                this._currentEffect = null
            }
            ,
            i.prototype.enableEffect = function(e) {
                e = null !== e && Gt.IsWrapper(e) ? e.effect : e,
                this._currentEffect = e,
                e && (e.onBind && e.onBind(e),
                e._onBindObservable && e._onBindObservable.notifyObservers(e))
            }
            ,
            i.prototype.setState = function(e, t, i, n, r, o, a) {
                void 0 === t && (t = 0),
                void 0 === n && (n = !1),
                void 0 === a && (a = 0)
            }
            ,
            i.prototype.setIntArray = function(e, t) {
                return !0
            }
            ,
            i.prototype.setIntArray2 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setIntArray3 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setIntArray4 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloatArray = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloatArray2 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloatArray3 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloatArray4 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setArray = function(e, t) {
                return !0
            }
            ,
            i.prototype.setArray2 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setArray3 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setArray4 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setMatrices = function(e, t) {
                return !0
            }
            ,
            i.prototype.setMatrix3x3 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setMatrix2x2 = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloat = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloat2 = function(e, t, i) {
                return !0
            }
            ,
            i.prototype.setFloat3 = function(e, t, i, n) {
                return !0
            }
            ,
            i.prototype.setBool = function(e, t) {
                return !0
            }
            ,
            i.prototype.setFloat4 = function(e, t, i, n, r) {
                return !0
            }
            ,
            i.prototype.setAlphaMode = function(e, t) {
                void 0 === t && (t = !1),
                this._alphaMode !== e && (this.alphaState.alphaBlend = e !== a.ALPHA_DISABLE,
                t || this.setDepthWrite(e === a.ALPHA_DISABLE),
                this._alphaMode = e)
            }
            ,
            i.prototype.bindBuffers = function(e, t, i) {}
            ,
            i.prototype.wipeCaches = function(e) {
                this.preventCacheWipeBetweenFrames || (this.resetTextureCache(),
                this._currentEffect = null,
                e && (this._currentProgram = null,
                this._stencilStateComposer.reset(),
                this.depthCullingState.reset(),
                this.alphaState.reset()),
                this._cachedVertexBuffers = null,
                this._cachedIndexBuffer = null,
                this._cachedEffectForVertexBuffers = null)
            }
            ,
            i.prototype.draw = function(e, t, i, n) {}
            ,
            i.prototype.drawElementsType = function(e, t, i, n) {}
            ,
            i.prototype.drawArraysType = function(e, t, i, n) {}
            ,
            i.prototype._createTexture = function() {
                return {}
            }
            ,
            i.prototype._releaseTexture = function(e) {}
            ,
            i.prototype.createTexture = function(e, t, i, n, r, o, s, l, c, u, h, d) {
                void 0 === r && (r = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === o && (o = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === h && (h = null);
                var p = new Lt(this,At.Url)
                  , f = String(e);
                return p.url = f,
                p.generateMipMaps = !t,
                p.samplingMode = r,
                p.invertY = i,
                p.baseWidth = this._options.textureSize,
                p.baseHeight = this._options.textureSize,
                p.width = this._options.textureSize,
                p.height = this._options.textureSize,
                u && (p.format = u),
                p.isReady = !0,
                o && o(),
                this._internalTexturesCache.push(p),
                p
            }
            ,
            i.prototype._createHardwareRenderTargetWrapper = function(e, t, i) {
                var n = new Fa(e,t,i,this);
                return this._renderTargetWrapperCache.push(n),
                n
            }
            ,
            i.prototype.createRenderTargetTexture = function(e, t) {
                var i = this._createHardwareRenderTargetWrapper(!1, !1, e)
                  , n = {};
                void 0 !== t && "object" == typeof t ? (n.generateMipMaps = t.generateMipMaps,
                n.generateDepthBuffer = void 0 === t.generateDepthBuffer || t.generateDepthBuffer,
                n.generateStencilBuffer = n.generateDepthBuffer && t.generateStencilBuffer,
                n.type = void 0 === t.type ? a.TEXTURETYPE_UNSIGNED_INT : t.type,
                n.samplingMode = void 0 === t.samplingMode ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : t.samplingMode) : (n.generateMipMaps = t,
                n.generateDepthBuffer = !0,
                n.generateStencilBuffer = !1,
                n.type = a.TEXTURETYPE_UNSIGNED_INT,
                n.samplingMode = a.TEXTURE_TRILINEAR_SAMPLINGMODE);
                var r = new Lt(this,At.RenderTarget)
                  , o = e.width || e
                  , s = e.height || e;
                return i._generateDepthBuffer = n.generateDepthBuffer,
                i._generateStencilBuffer = !!n.generateStencilBuffer,
                r.baseWidth = o,
                r.baseHeight = s,
                r.width = o,
                r.height = s,
                r.isReady = !0,
                r.samples = 1,
                r.generateMipMaps = !!n.generateMipMaps,
                r.samplingMode = n.samplingMode,
                r.type = n.type,
                this._internalTexturesCache.push(r),
                i
            }
            ,
            i.prototype.updateTextureSamplingMode = function(e, t) {
                t.samplingMode = e
            }
            ,
            i.prototype.createRawTexture = function(e, t, i, n, r, o, s, l, c, u) {
                void 0 === l && (l = null),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === u && (u = 0);
                var h = new Lt(this,At.Raw);
                return h.baseWidth = t,
                h.baseHeight = i,
                h.width = t,
                h.height = i,
                h.format = n,
                h.generateMipMaps = r,
                h.samplingMode = s,
                h.invertY = o,
                h._compression = l,
                h.type = c,
                this._doNotHandleContextLost || (h._bufferView = e),
                h
            }
            ,
            i.prototype.updateRawTexture = function(e, t, i, n, r, o) {
                void 0 === r && (r = null),
                void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
                e && (e._bufferView = t,
                e.format = i,
                e.invertY = n,
                e._compression = r,
                e.type = o)
            }
            ,
            i.prototype.bindFramebuffer = function(e, t, i, n, r) {
                this._currentRenderTarget && this.unBindFramebuffer(this._currentRenderTarget),
                this._currentRenderTarget = e,
                this._currentFramebuffer = null,
                this._cachedViewport && !r && this.setViewport(this._cachedViewport, i, n)
            }
            ,
            i.prototype.unBindFramebuffer = function(e, t, i) {
                void 0 === t && (t = !1),
                this._currentRenderTarget = null,
                i && i(),
                this._currentFramebuffer = null
            }
            ,
            i.prototype.createDynamicVertexBuffer = function(e) {
                var t = new Bt;
                return t.references = 1,
                t.capacity = 1,
                t
            }
            ,
            i.prototype.updateDynamicTexture = function(e, t, i, n, r) {
                void 0 === n && (n = !1)
            }
            ,
            i.prototype.areAllEffectsReady = function() {
                return !0
            }
            ,
            i.prototype.getError = function() {
                return 0
            }
            ,
            i.prototype._getUnpackAlignement = function() {
                return 1
            }
            ,
            i.prototype._unpackFlipY = function(e) {}
            ,
            i.prototype.updateDynamicIndexBuffer = function(e, t, i) {
                void 0 === i && (i = 0)
            }
            ,
            i.prototype.updateDynamicVertexBuffer = function(e, t, i, n) {}
            ,
            i.prototype._bindTextureDirectly = function(e, t) {
                return this._boundTexturesCache[this._activeChannel] !== t && (this._boundTexturesCache[this._activeChannel] = t,
                !0)
            }
            ,
            i.prototype._bindTexture = function(e, t) {
                e < 0 || this._bindTextureDirectly(0, t)
            }
            ,
            i.prototype._deleteBuffer = function(e) {}
            ,
            i.prototype.releaseEffects = function() {}
            ,
            i.prototype.displayLoadingUI = function() {}
            ,
            i.prototype.hideLoadingUI = function() {}
            ,
            i.prototype._uploadCompressedDataToTextureDirectly = function(e, t, i, n, r, o, a) {
                void 0 === o && (o = 0),
                void 0 === a && (a = 0)
            }
            ,
            i.prototype._uploadDataToTextureDirectly = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0)
            }
            ,
            i.prototype._uploadArrayBufferViewToTexture = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0)
            }
            ,
            i.prototype._uploadImageToTexture = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0)
            }
            ,
            i
        }(vr);
        Ht.prototype._debugPushGroup = function(e, t) {}
        ,
        Ht.prototype._debugPopGroup = function(e) {}
        ,
        Ht.prototype._debugInsertMarker = function(e, t) {}
        ,
        Ht.prototype._debugFlushPendingCommands = function() {}
        ;
        var pc = function() {
            this._timeElapsedQueryEnded = !1
        }
          , fc = function() {
            this.occlusionInternalRetryCounter = 0,
            this.isOcclusionQueryInProgress = !1,
            this.isOccluded = !1,
            this.occlusionRetryCount = -1,
            this.occlusionType = Sr.OCCLUSION_TYPE_NONE,
            this.occlusionQueryAlgorithmType = Sr.OCCLUSION_ALGORITHM_TYPE_CONSERVATIVE,
            this.forceRenderingWhenOccluded = !1
        };
        vr.prototype.createQuery = function() {
            return this._gl.createQuery()
        }
        ,
        vr.prototype.deleteQuery = function(e) {
            return this._gl.deleteQuery(e),
            this
        }
        ,
        vr.prototype.isQueryResultAvailable = function(e) {
            return this._gl.getQueryParameter(e, this._gl.QUERY_RESULT_AVAILABLE)
        }
        ,
        vr.prototype.getQueryResult = function(e) {
            return this._gl.getQueryParameter(e, this._gl.QUERY_RESULT)
        }
        ,
        vr.prototype.beginOcclusionQuery = function(e, t) {
            var i = this._getGlAlgorithmType(e);
            return this._gl.beginQuery(i, t),
            !0
        }
        ,
        vr.prototype.endOcclusionQuery = function(e) {
            var t = this._getGlAlgorithmType(e);
            return this._gl.endQuery(t),
            this
        }
        ,
        vr.prototype._createTimeQuery = function() {
            var e = this.getCaps().timerQuery;
            return e.createQueryEXT ? e.createQueryEXT() : this.createQuery()
        }
        ,
        vr.prototype._deleteTimeQuery = function(e) {
            var t = this.getCaps().timerQuery;
            t.deleteQueryEXT ? t.deleteQueryEXT(e) : this.deleteQuery(e)
        }
        ,
        vr.prototype._getTimeQueryResult = function(e) {
            var t = this.getCaps().timerQuery;
            return t.getQueryObjectEXT ? t.getQueryObjectEXT(e, t.QUERY_RESULT_EXT) : this.getQueryResult(e)
        }
        ,
        vr.prototype._getTimeQueryAvailability = function(e) {
            var t = this.getCaps().timerQuery;
            return t.getQueryObjectEXT ? t.getQueryObjectEXT(e, t.QUERY_RESULT_AVAILABLE_EXT) : this.isQueryResultAvailable(e)
        }
        ,
        vr.prototype.startTimeQuery = function() {
            var e = this.getCaps()
              , t = e.timerQuery;
            if (!t)
                return null;
            var i = new pc;
            if (this._gl.getParameter(t.GPU_DISJOINT_EXT),
            e.canUseTimestampForTimerQuery)
                i._startTimeQuery = this._createTimeQuery(),
                t.queryCounterEXT(i._startTimeQuery, t.TIMESTAMP_EXT);
            else {
                if (this._currentNonTimestampToken)
                    return this._currentNonTimestampToken;
                i._timeElapsedQuery = this._createTimeQuery(),
                t.beginQueryEXT ? t.beginQueryEXT(t.TIME_ELAPSED_EXT, i._timeElapsedQuery) : this._gl.beginQuery(t.TIME_ELAPSED_EXT, i._timeElapsedQuery),
                this._currentNonTimestampToken = i
            }
            return i
        }
        ,
        vr.prototype.endTimeQuery = function(e) {
            var t = this.getCaps()
              , i = t.timerQuery;
            if (!i || !e)
                return -1;
            if (t.canUseTimestampForTimerQuery) {
                if (!e._startTimeQuery)
                    return -1;
                e._endTimeQuery || (e._endTimeQuery = this._createTimeQuery(),
                i.queryCounterEXT(e._endTimeQuery, i.TIMESTAMP_EXT))
            } else if (!e._timeElapsedQueryEnded) {
                if (!e._timeElapsedQuery)
                    return -1;
                i.endQueryEXT ? i.endQueryEXT(i.TIME_ELAPSED_EXT) : this._gl.endQuery(i.TIME_ELAPSED_EXT),
                e._timeElapsedQueryEnded = !0
            }
            var n = this._gl.getParameter(i.GPU_DISJOINT_EXT)
              , r = !1;
            if (e._endTimeQuery ? r = this._getTimeQueryAvailability(e._endTimeQuery) : e._timeElapsedQuery && (r = this._getTimeQueryAvailability(e._timeElapsedQuery)),
            r && !n) {
                var o = 0;
                if (t.canUseTimestampForTimerQuery) {
                    if (!e._startTimeQuery || !e._endTimeQuery)
                        return -1;
                    var a = this._getTimeQueryResult(e._startTimeQuery);
                    o = this._getTimeQueryResult(e._endTimeQuery) - a,
                    this._deleteTimeQuery(e._startTimeQuery),
                    this._deleteTimeQuery(e._endTimeQuery),
                    e._startTimeQuery = null,
                    e._endTimeQuery = null
                } else {
                    if (!e._timeElapsedQuery)
                        return -1;
                    o = this._getTimeQueryResult(e._timeElapsedQuery),
                    this._deleteTimeQuery(e._timeElapsedQuery),
                    e._timeElapsedQuery = null,
                    e._timeElapsedQueryEnded = !1,
                    this._currentNonTimestampToken = null
                }
                return o
            }
            return -1
        }
        ,
        vr.prototype._captureGPUFrameTime = !1,
        vr.prototype._gpuFrameTime = new un,
        vr.prototype.getGPUFrameTimeCounter = function() {
            return this._gpuFrameTime
        }
        ,
        vr.prototype.captureGPUFrameTime = function(e) {
            var t = this;
            e !== this._captureGPUFrameTime && (this._captureGPUFrameTime = e,
            e ? (this._onBeginFrameObserver = this.onBeginFrameObservable.add((function() {
                t._gpuFrameTimeToken || (t._gpuFrameTimeToken = t.startTimeQuery())
            }
            )),
            this._onEndFrameObserver = this.onEndFrameObservable.add((function() {
                if (t._gpuFrameTimeToken) {
                    var e = t.endTimeQuery(t._gpuFrameTimeToken);
                    e > -1 && (t._gpuFrameTimeToken = null,
                    t._gpuFrameTime.fetchNewFrame(),
                    t._gpuFrameTime.addCount(e, !0))
                }
            }
            ))) : (this.onBeginFrameObservable.remove(this._onBeginFrameObserver),
            this._onBeginFrameObserver = null,
            this.onEndFrameObservable.remove(this._onEndFrameObserver),
            this._onEndFrameObserver = null))
        }
        ,
        vr.prototype._getGlAlgorithmType = function(e) {
            return e === Sr.OCCLUSION_ALGORITHM_TYPE_CONSERVATIVE ? this._gl.ANY_SAMPLES_PASSED_CONSERVATIVE : this._gl.ANY_SAMPLES_PASSED
        }
        ,
        Object.defineProperty(Sr.prototype, "isOcclusionQueryInProgress", {
            get: function() {
                return this._occlusionDataStorage.isOcclusionQueryInProgress
            },
            set: function(e) {
                this._occlusionDataStorage.isOcclusionQueryInProgress = e
            },
            enumerable: !1,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "_occlusionDataStorage", {
            get: function() {
                return this.__occlusionDataStorage || (this.__occlusionDataStorage = new fc),
                this.__occlusionDataStorage
            },
            enumerable: !1,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "isOccluded", {
            get: function() {
                return this._occlusionDataStorage.isOccluded
            },
            set: function(e) {
                this._occlusionDataStorage.isOccluded = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "occlusionQueryAlgorithmType", {
            get: function() {
                return this._occlusionDataStorage.occlusionQueryAlgorithmType
            },
            set: function(e) {
                this._occlusionDataStorage.occlusionQueryAlgorithmType = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "occlusionType", {
            get: function() {
                return this._occlusionDataStorage.occlusionType
            },
            set: function(e) {
                this._occlusionDataStorage.occlusionType = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "occlusionRetryCount", {
            get: function() {
                return this._occlusionDataStorage.occlusionRetryCount
            },
            set: function(e) {
                this._occlusionDataStorage.occlusionRetryCount = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(Sr.prototype, "forceRenderingWhenOccluded", {
            get: function() {
                return this._occlusionDataStorage.forceRenderingWhenOccluded
            },
            set: function(e) {
                this._occlusionDataStorage.forceRenderingWhenOccluded = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Sr.prototype._checkOcclusionQuery = function() {
            var e = this._occlusionDataStorage;
            if (e.occlusionType === Sr.OCCLUSION_TYPE_NONE)
                return e.isOccluded = !1,
                !1;
            var t = this.getEngine();
            if (!t.getCaps().supportOcclusionQuery)
                return e.isOccluded = !1,
                !1;
            if (!t.isQueryResultAvailable)
                return e.isOccluded = !1,
                !1;
            if (this.isOcclusionQueryInProgress && this._occlusionQuery)
                if (t.isQueryResultAvailable(this._occlusionQuery)) {
                    var i = t.getQueryResult(this._occlusionQuery);
                    e.isOcclusionQueryInProgress = !1,
                    e.occlusionInternalRetryCounter = 0,
                    e.isOccluded = !(i > 0)
                } else {
                    if (e.occlusionInternalRetryCounter++,
                    !(-1 !== e.occlusionRetryCount && e.occlusionInternalRetryCounter > e.occlusionRetryCount))
                        return e.occlusionType !== Sr.OCCLUSION_TYPE_OPTIMISTIC && e.isOccluded;
                    e.isOcclusionQueryInProgress = !1,
                    e.occlusionInternalRetryCounter = 0,
                    e.isOccluded = e.occlusionType !== Sr.OCCLUSION_TYPE_OPTIMISTIC && e.isOccluded
                }
            var n = this.getScene();
            if (n.getBoundingBoxRenderer) {
                var r = n.getBoundingBoxRenderer();
                null === this._occlusionQuery && (this._occlusionQuery = t.createQuery()),
                t.beginOcclusionQuery(e.occlusionQueryAlgorithmType, this._occlusionQuery) && (r.renderOcclusionBoundingBox(this),
                t.endOcclusionQuery(e.occlusionQueryAlgorithmType),
                this._occlusionDataStorage.isOcclusionQueryInProgress = !0)
            }
            return e.isOccluded
        }
        ;
        var _c = !0;
        vr.prototype.createTransformFeedback = function() {
            return this._gl.createTransformFeedback()
        }
        ,
        vr.prototype.deleteTransformFeedback = function(e) {
            this._gl.deleteTransformFeedback(e)
        }
        ,
        vr.prototype.bindTransformFeedback = function(e) {
            this._gl.bindTransformFeedback(this._gl.TRANSFORM_FEEDBACK, e)
        }
        ,
        vr.prototype.beginTransformFeedback = function(e) {
            void 0 === e && (e = !0),
            this._gl.beginTransformFeedback(e ? this._gl.POINTS : this._gl.TRIANGLES)
        }
        ,
        vr.prototype.endTransformFeedback = function() {
            this._gl.endTransformFeedback()
        }
        ,
        vr.prototype.setTranformFeedbackVaryings = function(e, t) {
            this._gl.transformFeedbackVaryings(e, t, this._gl.INTERLEAVED_ATTRIBS)
        }
        ,
        vr.prototype.bindTransformFeedbackBuffer = function(e) {
            this._gl.bindBufferBase(this._gl.TRANSFORM_FEEDBACK_BUFFER, 0, e ? e.underlyingResource : null)
        }
        ,
        Ht.prototype.createExternalTexture = function(e) {
            return null
        }
        ,
        Ht.prototype.setExternalTexture = function(e, t) {
            throw new Error("setExternalTexture: This engine does not support external textures!")
        }
        ,
        Ht.prototype.updateVideoTexture = function(e, t, i) {
            if (e && !e._isDisabled) {
                var n = this._bindTextureDirectly(this._gl.TEXTURE_2D, e, !0);
                this._unpackFlipY(!i);
                try {
                    if (void 0 === this._videoTextureSupported && (this._gl.getError(),
                    this._gl.texImage2D(this._gl.TEXTURE_2D, 0, this._gl.RGBA, this._gl.RGBA, this._gl.UNSIGNED_BYTE, t),
                    0 !== this._gl.getError() ? this._videoTextureSupported = !1 : this._videoTextureSupported = !0),
                    this._videoTextureSupported)
                        this._gl.texImage2D(this._gl.TEXTURE_2D, 0, this._gl.RGBA, this._gl.RGBA, this._gl.UNSIGNED_BYTE, t);
                    else {
                        if (!e._workingCanvas) {
                            e._workingCanvas = this.createCanvas(e.width, e.height);
                            var r = e._workingCanvas.getContext("2d");
                            if (!r)
                                throw new Error("Unable to get 2d context");
                            e._workingContext = r,
                            e._workingCanvas.width = e.width,
                            e._workingCanvas.height = e.height
                        }
                        e._workingContext.clearRect(0, 0, e.width, e.height),
                        e._workingContext.drawImage(t, 0, 0, t.videoWidth, t.videoHeight, 0, 0, e.width, e.height),
                        this._gl.texImage2D(this._gl.TEXTURE_2D, 0, this._gl.RGBA, this._gl.RGBA, this._gl.UNSIGNED_BYTE, e._workingCanvas)
                    }
                    e.generateMipMaps && this._gl.generateMipmap(this._gl.TEXTURE_2D),
                    n || this._bindTextureDirectly(this._gl.TEXTURE_2D, null),
                    e.isReady = !0
                } catch (t) {
                    e._isDisabled = !0
                }
            }
        }
        ,
        Ht.prototype.restoreSingleAttachment = function() {
            var e = this._gl;
            this.bindAttachments([e.BACK])
        }
        ,
        Ht.prototype.restoreSingleAttachmentForRenderTarget = function() {
            var e = this._gl;
            this.bindAttachments([e.COLOR_ATTACHMENT0])
        }
        ,
        Ht.prototype.buildTextureLayout = function(e) {
            for (var t = this._gl, i = [], n = 0; n < e.length; n++)
                e[n] ? i.push(t["COLOR_ATTACHMENT" + n]) : i.push(t.NONE);
            return i
        }
        ,
        Ht.prototype.bindAttachments = function(e) {
            this._gl.drawBuffers(e)
        }
        ,
        Ht.prototype.unBindMultiColorAttachmentFramebuffer = function(e, t, i) {
            void 0 === t && (t = !1),
            this._currentRenderTarget = null;
            var n = this._gl
              , r = e._attachments
              , o = r.length;
            if (e._MSAAFramebuffer) {
                n.bindFramebuffer(n.READ_FRAMEBUFFER, e._MSAAFramebuffer),
                n.bindFramebuffer(n.DRAW_FRAMEBUFFER, e._framebuffer);
                for (var a = 0; a < o; a++) {
                    for (var s = e.textures[a], l = 0; l < o; l++)
                        r[l] = n.NONE;
                    r[a] = n[this.webGLVersion > 1 ? "COLOR_ATTACHMENT" + a : "COLOR_ATTACHMENT" + a + "_WEBGL"],
                    n.readBuffer(r[a]),
                    n.drawBuffers(r),
                    n.blitFramebuffer(0, 0, s.width, s.height, 0, 0, s.width, s.height, n.COLOR_BUFFER_BIT, n.NEAREST)
                }
                for (a = 0; a < o; a++)
                    r[a] = n[this.webGLVersion > 1 ? "COLOR_ATTACHMENT" + a : "COLOR_ATTACHMENT" + a + "_WEBGL"];
                n.drawBuffers(r)
            }
            for (a = 0; a < o; a++)
                !(s = e.textures[a]).generateMipMaps || t || s.isCube || (this._bindTextureDirectly(n.TEXTURE_2D, s, !0),
                n.generateMipmap(n.TEXTURE_2D),
                this._bindTextureDirectly(n.TEXTURE_2D, null));
            i && (e._MSAAFramebuffer && this._bindUnboundFramebuffer(e._framebuffer),
            i()),
            this._bindUnboundFramebuffer(null)
        }
        ,
        Ht.prototype.createMultipleRenderTarget = function(e, t, i) {
            void 0 === i && (i = !0);
            var n = !1
              , r = !0
              , o = !1
              , s = !1
              , l = a.TEXTUREFORMAT_DEPTH16
              , c = 1
              , u = a.TEXTURETYPE_UNSIGNED_INT
              , h = a.TEXTURE_TRILINEAR_SAMPLINGMODE
              , d = new Array
              , p = new Array
              , f = this._createHardwareRenderTargetWrapper(!0, !1, e);
            void 0 !== t && (n = void 0 !== t.generateMipMaps && t.generateMipMaps,
            r = void 0 === t.generateDepthBuffer || t.generateDepthBuffer,
            o = void 0 !== t.generateStencilBuffer && t.generateStencilBuffer,
            s = void 0 !== t.generateDepthTexture && t.generateDepthTexture,
            c = t.textureCount || 1,
            t.types && (d = t.types),
            t.samplingModes && (p = t.samplingModes),
            this.webGLVersion > 1 && (t.depthTextureFormat === a.TEXTUREFORMAT_DEPTH24_STENCIL8 || t.depthTextureFormat === a.TEXTUREFORMAT_DEPTH24 || t.depthTextureFormat === a.TEXTUREFORMAT_DEPTH32_FLOAT) && (l = t.depthTextureFormat));
            var _ = this._gl
              , m = _.createFramebuffer();
            this._bindUnboundFramebuffer(m);
            var g = e.width || e
              , v = e.height || e
              , y = []
              , b = []
              , T = this.webGLVersion > 1 && s && t.depthTextureFormat === a.TEXTUREFORMAT_DEPTH24_STENCIL8
              , E = this._setupFramebufferDepthAttachments(!T && o, !s && r, g, v);
            f._framebuffer = m,
            f._depthStencilBuffer = E,
            f._generateDepthBuffer = !s && r,
            f._generateStencilBuffer = !T && o,
            f._attachments = b;
            for (var S = 0; S < c; S++) {
                var A = p[S] || h
                  , x = d[S] || u;
                (x !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (x !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (A = a.TEXTURE_NEAREST_SAMPLINGMODE);
                var R = this._getSamplingParameters(A, n);
                x !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (x = a.TEXTURETYPE_UNSIGNED_INT,
                K.Warn("Float textures are not supported. Render target forced to TEXTURETYPE_UNSIGNED_BYTE type"));
                var C = new Lt(this,At.MultiRenderTarget)
                  , P = _[this.webGLVersion > 1 ? "COLOR_ATTACHMENT" + S : "COLOR_ATTACHMENT" + S + "_WEBGL"];
                y.push(C),
                b.push(P),
                _.activeTexture(_["TEXTURE" + S]),
                _.bindTexture(_.TEXTURE_2D, C._hardwareTexture.underlyingResource),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_MAG_FILTER, R.mag),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_MIN_FILTER, R.min),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_WRAP_S, _.CLAMP_TO_EDGE),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_WRAP_T, _.CLAMP_TO_EDGE),
                _.texImage2D(_.TEXTURE_2D, 0, this._getRGBABufferInternalSizedFormat(x), g, v, 0, _.RGBA, this._getWebGLTextureType(x), null),
                _.framebufferTexture2D(_.DRAW_FRAMEBUFFER, P, _.TEXTURE_2D, C._hardwareTexture.underlyingResource, 0),
                n && this._gl.generateMipmap(this._gl.TEXTURE_2D),
                this._bindTextureDirectly(_.TEXTURE_2D, null),
                C.baseWidth = g,
                C.baseHeight = v,
                C.width = g,
                C.height = v,
                C.isReady = !0,
                C.samples = 1,
                C.generateMipMaps = n,
                C.samplingMode = A,
                C.type = x,
                this._internalTexturesCache.push(C)
            }
            if (s && this._caps.depthTextureExtension) {
                var M = new Lt(this,At.Depth)
                  , I = a.TEXTURETYPE_UNSIGNED_SHORT
                  , O = _.DEPTH_COMPONENT16
                  , D = _.DEPTH_COMPONENT
                  , N = _.UNSIGNED_SHORT
                  , L = _.DEPTH_ATTACHMENT;
                this.webGLVersion < 2 ? O = _.DEPTH_COMPONENT : l === a.TEXTUREFORMAT_DEPTH32_FLOAT ? (I = a.TEXTURETYPE_FLOAT,
                N = _.FLOAT,
                O = _.DEPTH_COMPONENT32F) : l === a.TEXTUREFORMAT_DEPTH24 ? (I = a.TEXTURETYPE_UNSIGNED_INT,
                N = _.UNSIGNED_INT,
                O = _.DEPTH_COMPONENT24,
                L = _.DEPTH_ATTACHMENT) : l === a.TEXTUREFORMAT_DEPTH24_STENCIL8 && (I = a.TEXTURETYPE_UNSIGNED_INT_24_8,
                N = _.UNSIGNED_INT_24_8,
                O = _.DEPTH24_STENCIL8,
                D = _.DEPTH_STENCIL,
                L = _.DEPTH_STENCIL_ATTACHMENT),
                _.activeTexture(_.TEXTURE0),
                _.bindTexture(_.TEXTURE_2D, M._hardwareTexture.underlyingResource),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_MAG_FILTER, _.NEAREST),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_MIN_FILTER, _.NEAREST),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_WRAP_S, _.CLAMP_TO_EDGE),
                _.texParameteri(_.TEXTURE_2D, _.TEXTURE_WRAP_T, _.CLAMP_TO_EDGE),
                _.texImage2D(_.TEXTURE_2D, 0, O, g, v, 0, D, N, null),
                _.framebufferTexture2D(_.FRAMEBUFFER, L, _.TEXTURE_2D, M._hardwareTexture.underlyingResource, 0),
                M.baseWidth = g,
                M.baseHeight = v,
                M.width = g,
                M.height = v,
                M.isReady = !0,
                M.samples = 1,
                M.generateMipMaps = n,
                M.samplingMode = a.TEXTURE_NEAREST_SAMPLINGMODE,
                M.format = l,
                M.type = I,
                y.push(M),
                this._internalTexturesCache.push(M)
            }
            return f.setTextures(y),
            i && _.drawBuffers(b),
            this._bindUnboundFramebuffer(null),
            this.resetTextureCache(),
            f
        }
        ,
        Ht.prototype.updateMultipleRenderTargetTextureSampleCount = function(e, t, i) {
            if (void 0 === i && (i = !0),
            this.webGLVersion < 2 || !e || !e.texture)
                return 1;
            if (e.samples === t)
                return t;
            var n = e._attachments.length;
            if (0 === n)
                return 1;
            var r = this._gl;
            t = Math.min(t, this.getCaps().maxMSAASamples),
            e._depthStencilBuffer && (r.deleteRenderbuffer(e._depthStencilBuffer),
            e._depthStencilBuffer = null),
            e._MSAAFramebuffer && (r.deleteFramebuffer(e._MSAAFramebuffer),
            e._MSAAFramebuffer = null);
            for (var o = 0; o < n; o++)
                (null == (c = e.textures[o]._hardwareTexture) ? void 0 : c._MSAARenderBuffer) && (r.deleteRenderbuffer(c._MSAARenderBuffer),
                c._MSAARenderBuffer = null);
            if (t > 1 && r.renderbufferStorageMultisample) {
                var a = r.createFramebuffer();
                if (!a)
                    throw new Error("Unable to create multi sampled framebuffer");
                e._MSAAFramebuffer = a,
                this._bindUnboundFramebuffer(a);
                var s = [];
                for (o = 0; o < n; o++) {
                    var l = e.textures[o]
                      , c = l._hardwareTexture
                      , u = r[this.webGLVersion > 1 ? "COLOR_ATTACHMENT" + o : "COLOR_ATTACHMENT" + o + "_WEBGL"]
                      , h = this._createRenderBuffer(l.width, l.height, t, -1, this._getRGBAMultiSampleBufferFormat(l.type), u);
                    if (!h)
                        throw new Error("Unable to create multi sampled framebuffer");
                    c._MSAARenderBuffer = h,
                    l.samples = t,
                    s.push(u)
                }
                i && r.drawBuffers(s)
            } else
                this._bindUnboundFramebuffer(e._framebuffer);
            return e._depthStencilBuffer = this._setupFramebufferDepthAttachments(e._generateStencilBuffer, e._generateDepthBuffer, e.texture.width, e.texture.height, t),
            this._bindUnboundFramebuffer(null),
            t
        }
        ,
        Ht.prototype._createDepthStencilCubeTexture = function(e, t, i) {
            var n = new Lt(this,At.DepthStencil);
            if (n.isCube = !0,
            1 === this.webGLVersion)
                return K.Error("Depth cube texture is not supported by WebGL 1."),
                n;
            var r = V({
                bilinearFiltering: !1,
                comparisonFunction: 0,
                generateStencil: !1
            }, t)
              , o = this._gl;
            this._bindTextureDirectly(o.TEXTURE_CUBE_MAP, n, !0),
            this._setupDepthStencilTexture(n, e, r.generateStencil, r.bilinearFiltering, r.comparisonFunction),
            i._depthStencilTexture = n,
            i._depthStencilTextureWithStencil = r.generateStencil;
            for (var a = 0; a < 6; a++)
                r.generateStencil ? o.texImage2D(o.TEXTURE_CUBE_MAP_POSITIVE_X + a, 0, o.DEPTH24_STENCIL8, e, e, 0, o.DEPTH_STENCIL, o.UNSIGNED_INT_24_8, null) : o.texImage2D(o.TEXTURE_CUBE_MAP_POSITIVE_X + a, 0, o.DEPTH_COMPONENT24, e, e, 0, o.DEPTH_COMPONENT, o.UNSIGNED_INT, null);
            return this._bindTextureDirectly(o.TEXTURE_CUBE_MAP, null),
            this._internalTexturesCache.push(n),
            n
        }
        ,
        Ht.prototype._partialLoadFile = function(e, t, i, n, r) {
            void 0 === r && (r = null),
            this._loadFile(e, (function(e) {
                i[t] = e,
                i._internalCount++,
                6 === i._internalCount && n(i)
            }
            ), void 0, void 0, !0, (function(e, t) {
                r && e && r(e.status + " " + e.statusText, t)
            }
            ))
        }
        ,
        Ht.prototype._cascadeLoadFiles = function(e, t, i, n) {
            void 0 === n && (n = null);
            var r = [];
            r._internalCount = 0;
            for (var o = 0; o < 6; o++)
                this._partialLoadFile(i[o], o, r, t, n)
        }
        ,
        Ht.prototype._cascadeLoadImgs = function(e, t, i, n, r, o) {
            void 0 === r && (r = null);
            var a = [];
            a._internalCount = 0;
            for (var s = 0; s < 6; s++)
                this._partialLoadImg(n[s], s, a, e, t, i, r, o)
        }
        ,
        Ht.prototype._partialLoadImg = function(e, t, i, n, r, o, a, s) {
            void 0 === a && (a = null);
            var l = fi();
            $t(e, (function(e) {
                i[t] = e,
                i._internalCount++,
                n && n._removePendingData(l),
                6 === i._internalCount && o && o(r, i)
            }
            ), (function(e, t) {
                n && n._removePendingData(l),
                a && a(e, t)
            }
            ), n ? n.offlineProvider : null, s),
            n && n._addPendingData(l)
        }
        ,
        Ht.prototype._setCubeMapTextureParams = function(e, t, i) {
            var n = this._gl;
            n.texParameteri(n.TEXTURE_CUBE_MAP, n.TEXTURE_MAG_FILTER, n.LINEAR),
            n.texParameteri(n.TEXTURE_CUBE_MAP, n.TEXTURE_MIN_FILTER, t ? n.LINEAR_MIPMAP_LINEAR : n.LINEAR),
            n.texParameteri(n.TEXTURE_CUBE_MAP, n.TEXTURE_WRAP_S, n.CLAMP_TO_EDGE),
            n.texParameteri(n.TEXTURE_CUBE_MAP, n.TEXTURE_WRAP_T, n.CLAMP_TO_EDGE),
            e.samplingMode = t ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : a.TEXTURE_LINEAR_LINEAR,
            t && this.getCaps().textureMaxLevel && void 0 !== i && i > 0 && (n.texParameteri(n.TEXTURE_CUBE_MAP, n.TEXTURE_MAX_LEVEL, i),
            e._maxLodLevel = i),
            this._bindTextureDirectly(n.TEXTURE_CUBE_MAP, null)
        }
        ,
        Ht.prototype.createCubeTextureBase = function(e, t, i, n, r, o, a, s, l, c, u, h, d, p, f) {
            var _ = this;
            void 0 === r && (r = null),
            void 0 === o && (o = null),
            void 0 === s && (s = null),
            void 0 === l && (l = !1),
            void 0 === c && (c = 0),
            void 0 === u && (u = 0),
            void 0 === h && (h = null),
            void 0 === d && (d = null),
            void 0 === p && (p = null),
            void 0 === f && (f = !1);
            var m = h || new Lt(this,At.Cube);
            m.isCube = !0,
            m.url = e,
            m.generateMipMaps = !n,
            m._lodGenerationScale = c,
            m._lodGenerationOffset = u,
            m._useSRGBBuffer = !!f && this._caps.supportSRGBBuffers && (this.webGLVersion > 1 || this.isWebGPU || !!n),
            this._doNotHandleContextLost || (m._extension = s,
            m._files = i);
            var g = e;
            this._transformTextureUrl && !h && (e = this._transformTextureUrl(e));
            for (var v = e.lastIndexOf("."), y = s || (v > -1 ? e.substring(v).toLowerCase() : ""), b = null, T = 0, E = Ht._TextureLoaders; T < E.length; T++) {
                var S = E[T];
                if (S.canLoad(y)) {
                    b = S;
                    break
                }
            }
            if (b) {
                var A = function(e) {
                    d && d(m, e),
                    b.loadCubeData(e, m, l, r, o)
                };
                i && 6 === i.length ? b.supportCascades ? this._cascadeLoadFiles(t, (function(e) {
                    return A(e.map((function(e) {
                        return new Uint8Array(e)
                    }
                    )))
                }
                ), i, o) : o ? o("Textures type does not support cascades.") : K.Warn("Texture loader does not support cascades.") : this._loadFile(e, (function(e) {
                    return A(new Uint8Array(e))
                }
                ), void 0, void 0, !0, (function(h, v) {
                    e === g ? o && h && o(h.status + " " + h.statusText, v) : (K.Warn("Failed to load ".concat(e, ", falling back to the ").concat(g)),
                    _.createCubeTextureBase(g, t, i, !!n, r, o, a, s, l, c, u, m, d, p, f))
                }
                ))
            } else {
                if (!i)
                    throw new Error("Cannot load cubemap because files were not defined");
                this._cascadeLoadImgs(t, m, (function(e, t) {
                    p && p(e, t)
                }
                ), i, o)
            }
            return this._internalTexturesCache.push(m),
            m
        }
        ,
        Ht.prototype.createCubeTexture = function(e, t, i, n, r, o, a, s, l, c, u, h, d, p) {
            var f = this;
            void 0 === r && (r = null),
            void 0 === o && (o = null),
            void 0 === s && (s = null),
            void 0 === l && (l = !1),
            void 0 === c && (c = 0),
            void 0 === u && (u = 0),
            void 0 === h && (h = null),
            void 0 === p && (p = !1);
            var _ = this._gl;
            return this.createCubeTextureBase(e, t, i, !!n, r, o, a, s, l, c, u, h, (function(e) {
                return f._bindTextureDirectly(_.TEXTURE_CUBE_MAP, e, !0)
            }
            ), (function(e, t) {
                var i = f.needPOTTextures ? Ht.GetExponentOfTwo(t[0].width, f._caps.maxCubemapTextureSize) : t[0].width
                  , o = i
                  , s = [_.TEXTURE_CUBE_MAP_POSITIVE_X, _.TEXTURE_CUBE_MAP_POSITIVE_Y, _.TEXTURE_CUBE_MAP_POSITIVE_Z, _.TEXTURE_CUBE_MAP_NEGATIVE_X, _.TEXTURE_CUBE_MAP_NEGATIVE_Y, _.TEXTURE_CUBE_MAP_NEGATIVE_Z];
                f._bindTextureDirectly(_.TEXTURE_CUBE_MAP, e, !0),
                f._unpackFlipY(!1);
                var l = a ? f._getInternalFormat(a, e._useSRGBBuffer) : e._useSRGBBuffer ? _.SRGB8_ALPHA8 : _.RGBA
                  , c = a ? f._getInternalFormat(a) : _.RGBA;
                e._useSRGBBuffer && 1 === f.webGLVersion && (c = l);
                for (var u = 0; u < s.length; u++)
                    if (t[u].width !== i || t[u].height !== o) {
                        if (f._prepareWorkingCanvas(),
                        !f._workingCanvas || !f._workingContext)
                            return void K.Warn("Cannot create canvas to resize texture.");
                        f._workingCanvas.width = i,
                        f._workingCanvas.height = o,
                        f._workingContext.drawImage(t[u], 0, 0, t[u].width, t[u].height, 0, 0, i, o),
                        _.texImage2D(s[u], 0, l, c, _.UNSIGNED_BYTE, f._workingCanvas)
                    } else
                        _.texImage2D(s[u], 0, l, c, _.UNSIGNED_BYTE, t[u]);
                n || _.generateMipmap(_.TEXTURE_CUBE_MAP),
                f._setCubeMapTextureParams(e, !n),
                e.width = i,
                e.height = o,
                e.isReady = !0,
                a && (e.format = a),
                e.onLoadedObservable.notifyObservers(e),
                e.onLoadedObservable.clear(),
                r && r()
            }
            ), !!p)
        }
        ,
        Ht.prototype.setTextureSampler = function(e, t) {
            throw new Error("setTextureSampler: This engine does not support separate texture sampler objects!")
        }
        ;
        var mc = function() {};
        function gc(e) {
            if (this._excludedCompressedTextures && this._excludedCompressedTextures.some((function(t) {
                var i = "\\b" + t + "\\b";
                return e && (e === t || e.match(new RegExp(i,"g")))
            }
            )))
                return e;
            var t = e.lastIndexOf(".")
              , i = e.lastIndexOf("?")
              , n = i > -1 ? e.substring(i, e.length) : "";
            return (t > -1 ? e.substring(0, t) : e) + this._textureFormatInUse + n
        }
        Object.defineProperty(vr.prototype, "inputElement", {
            get: function() {
                return this._inputElement
            },
            set: function(e) {
                var t;
                this._inputElement !== e && (this._inputElement = e,
                null === (t = this._onEngineViewChanged) || void 0 === t || t.call(this))
            }
        }),
        vr.prototype.getInputElement = function() {
            return this.inputElement || this.getRenderingCanvas()
        }
        ,
        vr.prototype.registerView = function(e, t, i) {
            var n = this;
            this.views || (this.views = []);
            for (var r = 0, o = this.views; r < o.length; r++) {
                var a = o[r];
                if (a.target === e)
                    return a
            }
            var s = this.getRenderingCanvas();
            s && (e.width = s.width,
            e.height = s.height);
            var l = {
                target: e,
                camera: t,
                clearBeforeCopy: i,
                enabled: !0
            };
            return this.views.push(l),
            t && t.onDisposeObservable.add((function() {
                n.unRegisterView(e)
            }
            )),
            l
        }
        ,
        vr.prototype.unRegisterView = function(e) {
            if (!this.views)
                return this;
            for (var t = 0, i = this.views; t < i.length; t++) {
                var n = i[t];
                if (n.target === e) {
                    var r = this.views.indexOf(n);
                    -1 !== r && this.views.splice(r, 1);
                    break
                }
            }
            return this
        }
        ,
        vr.prototype._renderViews = function() {
            if (!this.views)
                return !1;
            var e = this.getRenderingCanvas();
            if (!e)
                return !1;
            for (var t = 0, i = this.views; t < i.length; t++) {
                var n = i[t];
                if (n.enabled) {
                    var r = n.target
                      , o = r.getContext("2d");
                    if (o) {
                        var a = n.camera
                          , s = null
                          , l = null;
                        if (a) {
                            if ((l = a.getScene()).activeCameras && l.activeCameras.length)
                                continue;
                            this.activeView = n,
                            s = l.activeCamera,
                            l.activeCamera = a
                        }
                        if (n.customResize)
                            n.customResize(r);
                        else {
                            var c = Math.floor(r.clientWidth / this._hardwareScalingLevel)
                              , u = Math.floor(r.clientHeight / this._hardwareScalingLevel)
                              , h = c !== r.width || e.width !== r.width || u !== r.height || e.height !== r.height;
                            r.clientWidth && r.clientHeight && h && (r.width = c,
                            r.height = u,
                            this.setSize(c, u))
                        }
                        if (!e.width || !e.height)
                            return !1;
                        this._renderFrame(),
                        this.flushFramebuffer(),
                        n.clearBeforeCopy && o.clearRect(0, 0, e.width, e.height),
                        o.drawImage(e, 0, 0),
                        s && l && (l.activeCamera = s)
                    }
                }
            }
            return this.activeView = null,
            !0
        }
        ,
        Ht.prototype.createStorageBuffer = function(e, t) {
            throw new Error("createStorageBuffer: Unsupported method in this engine!")
        }
        ,
        Ht.prototype.updateStorageBuffer = function(e, t, i, n) {}
        ,
        Ht.prototype.readFromStorageBuffer = function(e, t, i, n) {
            throw new Error("readFromStorageBuffer: Unsupported method in this engine!")
        }
        ,
        Ht.prototype.setStorageBuffer = function(e, t) {
            throw new Error("setStorageBuffer: Unsupported method in this engine!")
        }
        ,
        Object.defineProperty(vr.prototype, "texturesSupported", {
            get: function() {
                var e = new Array;
                return this._caps.astc && e.push("-astc.ktx"),
                this._caps.s3tc && e.push("-dxt.ktx"),
                this._caps.pvrtc && e.push("-pvrtc.ktx"),
                this._caps.etc2 && e.push("-etc2.ktx"),
                this._caps.etc1 && e.push("-etc1.ktx"),
                e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(vr.prototype, "textureFormatInUse", {
            get: function() {
                return this._textureFormatInUse || null
            },
            enumerable: !0,
            configurable: !0
        }),
        vr.prototype.setCompressedTextureExclusions = function(e) {
            this._excludedCompressedTextures = e
        }
        ,
        vr.prototype.setTextureFormatToUse = function(e) {
            for (var t = this.texturesSupported, i = 0, n = t.length; i < n; i++)
                for (var r = 0, o = e.length; r < o; r++)
                    if (t[i] === e[r].toLowerCase())
                        return this._transformTextureUrl = gc.bind(this),
                        this._textureFormatInUse = t[i];
            return this._textureFormatInUse = "",
            this._transformTextureUrl = null,
            null
        }
        ;
        var vc, yc, bc = function() {
            function e() {
                var t = this
                  , i = new ArrayBuffer(e.DEFAULT_BUFFER_SIZE);
                this._uint32s = new Uint32Array(i),
                this._int32s = new Int32Array(i),
                this._float32s = new Float32Array(i),
                this._length = e.DEFAULT_BUFFER_SIZE / 4,
                this._position = 0,
                this._nativeDataStream = new _native.NativeDataStream((function() {
                    t._flush()
                }
                ))
            }
            return e.prototype.writeUint32 = function(e) {
                this._flushIfNecessary(1),
                this._uint32s[this._position++] = e
            }
            ,
            e.prototype.writeInt32 = function(e) {
                this._flushIfNecessary(1),
                this._int32s[this._position++] = e
            }
            ,
            e.prototype.writeFloat32 = function(e) {
                this._flushIfNecessary(1),
                this._float32s[this._position++] = e
            }
            ,
            e.prototype.writeUint32Array = function(e) {
                this._flushIfNecessary(1 + e.length),
                this._uint32s[this._position++] = e.length,
                this._uint32s.set(e, this._position),
                this._position += e.length
            }
            ,
            e.prototype.writeInt32Array = function(e) {
                this._flushIfNecessary(1 + e.length),
                this._uint32s[this._position++] = e.length,
                this._int32s.set(e, this._position),
                this._position += e.length
            }
            ,
            e.prototype.writeFloat32Array = function(e) {
                this._flushIfNecessary(1 + e.length),
                this._uint32s[this._position++] = e.length,
                this._float32s.set(e, this._position),
                this._position += e.length
            }
            ,
            e.prototype.writeNativeData = function(e) {
                this._flushIfNecessary(e.length),
                this._uint32s.set(e, this._position),
                this._position += e.length
            }
            ,
            e.prototype.writeBoolean = function(e) {
                this.writeUint32(e ? 1 : 0)
            }
            ,
            e.prototype._flushIfNecessary = function(e) {
                this._position + e > this._length && this._flush()
            }
            ,
            e.prototype._flush = function() {
                this._nativeDataStream.writeBuffer(this._uint32s.buffer, this._position),
                this._position = 0
            }
            ,
            e.DEFAULT_BUFFER_SIZE = 65536,
            e
        }(), Tc = function() {
            function e(e, t) {
                void 0 === e && (e = x.Zero()),
                void 0 === t && (t = x.Up()),
                this.position = e,
                this.normal = t
            }
            return e.prototype.clone = function() {
                return new e(this.position.clone(),this.normal.clone())
            }
            ,
            e
        }(), Ec = function() {
            function e(e, t, i) {
                void 0 === e && (e = x.Zero()),
                void 0 === t && (t = x.Up()),
                void 0 === i && (i = A.Zero()),
                this.position = e,
                this.normal = t,
                this.uv = i
            }
            return e.prototype.clone = function() {
                return new e(this.position.clone(),this.normal.clone(),this.uv.clone())
            }
            ,
            e
        }(), Sc = [Math.sqrt(1 / (4 * Math.PI)), -Math.sqrt(3 / (4 * Math.PI)), Math.sqrt(3 / (4 * Math.PI)), -Math.sqrt(3 / (4 * Math.PI)), Math.sqrt(15 / (4 * Math.PI)), -Math.sqrt(15 / (4 * Math.PI)), Math.sqrt(5 / (16 * Math.PI)), -Math.sqrt(15 / (4 * Math.PI)), Math.sqrt(15 / (16 * Math.PI))], Ac = [function() {
            return 1
        }
        , function(e) {
            return e.y
        }
        , function(e) {
            return e.z
        }
        , function(e) {
            return e.x
        }
        , function(e) {
            return e.x * e.y
        }
        , function(e) {
            return e.y * e.z
        }
        , function(e) {
            return 3 * e.z * e.z - 1
        }
        , function(e) {
            return e.x * e.z
        }
        , function(e) {
            return e.x * e.x - e.y * e.y
        }
        ], xc = function(e, t) {
            return Sc[e] * Ac[e](t)
        }, Rc = [Math.PI, 2 * Math.PI / 3, 2 * Math.PI / 3, 2 * Math.PI / 3, Math.PI / 4, Math.PI / 4, Math.PI / 4, Math.PI / 4, Math.PI / 4], Cc = function() {
            function e() {
                this.preScaled = !1,
                this.l00 = x.Zero(),
                this.l1_1 = x.Zero(),
                this.l10 = x.Zero(),
                this.l11 = x.Zero(),
                this.l2_2 = x.Zero(),
                this.l2_1 = x.Zero(),
                this.l20 = x.Zero(),
                this.l21 = x.Zero(),
                this.l22 = x.Zero()
            }
            return e.prototype.addLight = function(e, t, i) {
                I.Vector3[0].set(t.r, t.g, t.b);
                var n = I.Vector3[0]
                  , r = I.Vector3[1];
                n.scaleToRef(i, r),
                r.scaleToRef(xc(0, e), I.Vector3[2]),
                this.l00.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(1, e), I.Vector3[2]),
                this.l1_1.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(2, e), I.Vector3[2]),
                this.l10.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(3, e), I.Vector3[2]),
                this.l11.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(4, e), I.Vector3[2]),
                this.l2_2.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(5, e), I.Vector3[2]),
                this.l2_1.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(6, e), I.Vector3[2]),
                this.l20.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(7, e), I.Vector3[2]),
                this.l21.addInPlace(I.Vector3[2]),
                r.scaleToRef(xc(8, e), I.Vector3[2]),
                this.l22.addInPlace(I.Vector3[2])
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                this.l00.scaleInPlace(e),
                this.l1_1.scaleInPlace(e),
                this.l10.scaleInPlace(e),
                this.l11.scaleInPlace(e),
                this.l2_2.scaleInPlace(e),
                this.l2_1.scaleInPlace(e),
                this.l20.scaleInPlace(e),
                this.l21.scaleInPlace(e),
                this.l22.scaleInPlace(e)
            }
            ,
            e.prototype.convertIncidentRadianceToIrradiance = function() {
                this.l00.scaleInPlace(Rc[0]),
                this.l1_1.scaleInPlace(Rc[1]),
                this.l10.scaleInPlace(Rc[2]),
                this.l11.scaleInPlace(Rc[3]),
                this.l2_2.scaleInPlace(Rc[4]),
                this.l2_1.scaleInPlace(Rc[5]),
                this.l20.scaleInPlace(Rc[6]),
                this.l21.scaleInPlace(Rc[7]),
                this.l22.scaleInPlace(Rc[8])
            }
            ,
            e.prototype.convertIrradianceToLambertianRadiance = function() {
                this.scaleInPlace(1 / Math.PI)
            }
            ,
            e.prototype.preScaleForRendering = function() {
                this.preScaled = !0,
                this.l00.scaleInPlace(Sc[0]),
                this.l1_1.scaleInPlace(Sc[1]),
                this.l10.scaleInPlace(Sc[2]),
                this.l11.scaleInPlace(Sc[3]),
                this.l2_2.scaleInPlace(Sc[4]),
                this.l2_1.scaleInPlace(Sc[5]),
                this.l20.scaleInPlace(Sc[6]),
                this.l21.scaleInPlace(Sc[7]),
                this.l22.scaleInPlace(Sc[8])
            }
            ,
            e.prototype.updateFromArray = function(e) {
                return x.FromArrayToRef(e[0], 0, this.l00),
                x.FromArrayToRef(e[1], 0, this.l1_1),
                x.FromArrayToRef(e[2], 0, this.l10),
                x.FromArrayToRef(e[3], 0, this.l11),
                x.FromArrayToRef(e[4], 0, this.l2_2),
                x.FromArrayToRef(e[5], 0, this.l2_1),
                x.FromArrayToRef(e[6], 0, this.l20),
                x.FromArrayToRef(e[7], 0, this.l21),
                x.FromArrayToRef(e[8], 0, this.l22),
                this
            }
            ,
            e.prototype.updateFromFloatsArray = function(e) {
                return x.FromFloatsToRef(e[0], e[1], e[2], this.l00),
                x.FromFloatsToRef(e[3], e[4], e[5], this.l1_1),
                x.FromFloatsToRef(e[6], e[7], e[8], this.l10),
                x.FromFloatsToRef(e[9], e[10], e[11], this.l11),
                x.FromFloatsToRef(e[12], e[13], e[14], this.l2_2),
                x.FromFloatsToRef(e[15], e[16], e[17], this.l2_1),
                x.FromFloatsToRef(e[18], e[19], e[20], this.l20),
                x.FromFloatsToRef(e[21], e[22], e[23], this.l21),
                x.FromFloatsToRef(e[24], e[25], e[26], this.l22),
                this
            }
            ,
            e.FromArray = function(t) {
                return (new e).updateFromArray(t)
            }
            ,
            e.FromPolynomial = function(t) {
                var i = new e;
                return i.l00 = t.xx.scale(.376127).add(t.yy.scale(.376127)).add(t.zz.scale(.376126)),
                i.l1_1 = t.y.scale(.977204),
                i.l10 = t.z.scale(.977204),
                i.l11 = t.x.scale(.977204),
                i.l2_2 = t.xy.scale(1.16538),
                i.l2_1 = t.yz.scale(1.16538),
                i.l20 = t.zz.scale(1.34567).subtract(t.xx.scale(.672834)).subtract(t.yy.scale(.672834)),
                i.l21 = t.zx.scale(1.16538),
                i.l22 = t.xx.scale(1.16538).subtract(t.yy.scale(1.16538)),
                i.l1_1.scaleInPlace(-1),
                i.l11.scaleInPlace(-1),
                i.l2_1.scaleInPlace(-1),
                i.l21.scaleInPlace(-1),
                i.scaleInPlace(Math.PI),
                i
            }
            ,
            e
        }(), Pc = function() {
            function e() {
                this.x = x.Zero(),
                this.y = x.Zero(),
                this.z = x.Zero(),
                this.xx = x.Zero(),
                this.yy = x.Zero(),
                this.zz = x.Zero(),
                this.xy = x.Zero(),
                this.yz = x.Zero(),
                this.zx = x.Zero()
            }
            return Object.defineProperty(e.prototype, "preScaledHarmonics", {
                get: function() {
                    return this._harmonics || (this._harmonics = Cc.FromPolynomial(this)),
                    this._harmonics.preScaled || this._harmonics.preScaleForRendering(),
                    this._harmonics
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addAmbient = function(e) {
                I.Vector3[0].copyFromFloats(e.r, e.g, e.b);
                var t = I.Vector3[0];
                this.xx.addInPlace(t),
                this.yy.addInPlace(t),
                this.zz.addInPlace(t)
            }
            ,
            e.prototype.scaleInPlace = function(e) {
                this.x.scaleInPlace(e),
                this.y.scaleInPlace(e),
                this.z.scaleInPlace(e),
                this.xx.scaleInPlace(e),
                this.yy.scaleInPlace(e),
                this.zz.scaleInPlace(e),
                this.yz.scaleInPlace(e),
                this.zx.scaleInPlace(e),
                this.xy.scaleInPlace(e)
            }
            ,
            e.prototype.updateFromHarmonics = function(e) {
                return this._harmonics = e,
                this.x.copyFrom(e.l11),
                this.x.scaleInPlace(1.02333).scaleInPlace(-1),
                this.y.copyFrom(e.l1_1),
                this.y.scaleInPlace(1.02333).scaleInPlace(-1),
                this.z.copyFrom(e.l10),
                this.z.scaleInPlace(1.02333),
                this.xx.copyFrom(e.l00),
                I.Vector3[0].copyFrom(e.l20).scaleInPlace(.247708),
                I.Vector3[1].copyFrom(e.l22).scaleInPlace(.429043),
                this.xx.scaleInPlace(.886277).subtractInPlace(I.Vector3[0]).addInPlace(I.Vector3[1]),
                this.yy.copyFrom(e.l00),
                this.yy.scaleInPlace(.886277).subtractInPlace(I.Vector3[0]).subtractInPlace(I.Vector3[1]),
                this.zz.copyFrom(e.l00),
                I.Vector3[0].copyFrom(e.l20).scaleInPlace(.495417),
                this.zz.scaleInPlace(.886277).addInPlace(I.Vector3[0]),
                this.yz.copyFrom(e.l2_1),
                this.yz.scaleInPlace(.858086).scaleInPlace(-1),
                this.zx.copyFrom(e.l21),
                this.zx.scaleInPlace(.858086).scaleInPlace(-1),
                this.xy.copyFrom(e.l2_2),
                this.xy.scaleInPlace(.858086),
                this.scaleInPlace(1 / Math.PI),
                this
            }
            ,
            e.FromHarmonics = function(t) {
                return (new e).updateFromHarmonics(t)
            }
            ,
            e.FromArray = function(t) {
                var i = new e;
                return x.FromArrayToRef(t[0], 0, i.x),
                x.FromArrayToRef(t[1], 0, i.y),
                x.FromArrayToRef(t[2], 0, i.z),
                x.FromArrayToRef(t[3], 0, i.xx),
                x.FromArrayToRef(t[4], 0, i.yy),
                x.FromArrayToRef(t[5], 0, i.zz),
                x.FromArrayToRef(t[6], 0, i.yz),
                x.FromArrayToRef(t[7], 0, i.zx),
                x.FromArrayToRef(t[8], 0, i.xy),
                i
            }
            ,
            e
        }();
        function Mc(e, t, i, n) {
            void 0 === n && (n = !0);
            var r = e.getScene()
              , o = r.getEngine()
              , s = new ns("resized" + e.name,{
                width: t,
                height: i
            },r,!e.noMipmap,!0,e._texture.type,!1,e.samplingMode,!1);
            s.wrapU = e.wrapU,
            s.wrapV = e.wrapV,
            s.uOffset = e.uOffset,
            s.vOffset = e.vOffset,
            s.uScale = e.uScale,
            s.vScale = e.vScale,
            s.uAng = e.uAng,
            s.vAng = e.vAng,
            s.wAng = e.wAng,
            s.coordinatesIndex = e.coordinatesIndex,
            s.level = e.level,
            s.anisotropicFilteringLevel = e.anisotropicFilteringLevel,
            s._texture.isReady = !1,
            e.wrapU = io.CLAMP_ADDRESSMODE,
            e.wrapV = io.CLAMP_ADDRESSMODE;
            var l = new Ua("pass",1,null,n ? io.BILINEAR_SAMPLINGMODE : io.NEAREST_SAMPLINGMODE,o,!1,a.TEXTURETYPE_UNSIGNED_INT);
            return l.externalTextureSamplerBinding = !0,
            l.getEffect().executeWhenCompiled((function() {
                l.onApply = function(t) {
                    t.setTexture("textureSampler", e)
                }
                ;
                var t = s.renderTarget;
                t && (r.postProcessManager.directRender([l], t),
                o.unBindFramebuffer(t),
                s.disposeFramebufferObjects(),
                l.dispose(),
                s.getInternalTexture().isReady = !0)
            }
            )),
            s
        }
        function Ic(e, t, i, n, r, o) {
            var s = t.getEngine();
            return t.isReady = !1,
            r = null != r ? r : t.samplingMode,
            n = null != n ? n : t.type,
            o = null != o ? o : t.format,
            -1 === n && (n = a.TEXTURETYPE_UNSIGNED_BYTE),
            new Promise((function(l) {
                var c = new Ba("postprocess",e,null,null,1,null,r,s,!1,void 0,n,void 0,null,!1,o);
                c.externalTextureSamplerBinding = !0;
                var u = s.createRenderTargetTexture({
                    width: t.width,
                    height: t.height
                }, {
                    generateDepthBuffer: !1,
                    generateMipMaps: !1,
                    generateStencilBuffer: !1,
                    samplingMode: r,
                    type: n,
                    format: o
                });
                c.getEffect().executeWhenCompiled((function() {
                    c.onApply = function(e) {
                        e._bindTexture("textureSampler", t),
                        e.setFloat2("scale", 1, 1)
                    }
                    ,
                    i.postProcessManager.directRender([c], u, !0),
                    s.restoreDefaultFramebuffer(),
                    s._releaseTexture(t),
                    c && c.dispose(),
                    u._swapAndDie(t),
                    t.type = n,
                    t.format = a.TEXTUREFORMAT_RGBA,
                    t.isReady = !0,
                    l(t)
                }
                ))
            }
            ))
        }
        function Oc(e) {
            vc || (vc = new Float32Array(1),
            yc = new Int32Array(vc.buffer)),
            vc[0] = e;
            var t = yc[0]
              , i = t >> 16 & 32768
              , n = t >> 12 & 2047
              , r = t >> 23 & 255;
            return r < 103 ? i : r > 142 ? (i |= 31744,
            i |= (255 == r ? 0 : 1) && 8388607 & t) : r < 113 ? i |= ((n |= 2048) >> 114 - r) + (n >> 113 - r & 1) : (i |= r - 112 << 10 | n >> 1,
            i += 1 & n)
        }
        function Dc(e) {
            var t = (32768 & e) >> 15
              , i = (31744 & e) >> 10
              , n = 1023 & e;
            return 0 === i ? (t ? -1 : 1) * Math.pow(2, -14) * (n / Math.pow(2, 10)) : 31 == i ? n ? NaN : 1 / 0 * (t ? -1 : 1) : (t ? -1 : 1) * Math.pow(2, i - 15) * (1 + n / Math.pow(2, 10))
        }
        Pt.ShadersStore.rgbdDecodePixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#include<helperFunctions>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\ngl_FragColor=vec4(fromRGBD(texture2D(textureSampler,vUV)),1.0);\n}";
        var Nc = {
            CreateResizedCopy: Mc,
            ApplyPostProcess: Ic,
            ToHalfFloat: Oc,
            FromHalfFloat: Dc
        }
          , Lc = function() {
            function e() {}
            return e.ExpandRGBDTexture = function(e) {
                var t = e._texture;
                if (t && e.isRGBD) {
                    var i = t.getEngine()
                      , n = i.getCaps()
                      , r = t.isReady
                      , o = !1;
                    n.textureHalfFloatRender && n.textureHalfFloatLinearFiltering ? (o = !0,
                    t.type = a.TEXTURETYPE_HALF_FLOAT) : n.textureFloatRender && n.textureFloatLinearFiltering && (o = !0,
                    t.type = a.TEXTURETYPE_FLOAT),
                    o && (t.isReady = !1,
                    t._isRGBD = !1,
                    t.invertY = !1);
                    var s = function() {
                        if (o) {
                            var n = new Ba("rgbdDecode","rgbdDecode",null,null,1,null,a.TEXTURE_TRILINEAR_SAMPLINGMODE,i,!1,void 0,t.type,void 0,null,!1);
                            n.externalTextureSamplerBinding = !0;
                            var r = i.createRenderTargetTexture(t.width, {
                                generateDepthBuffer: !1,
                                generateMipMaps: !1,
                                generateStencilBuffer: !1,
                                samplingMode: t.samplingMode,
                                type: t.type,
                                format: a.TEXTUREFORMAT_RGBA
                            });
                            n.getEffect().executeWhenCompiled((function() {
                                n.onApply = function(e) {
                                    e._bindTexture("textureSampler", t),
                                    e.setFloat2("scale", 1, 1)
                                }
                                ,
                                e.getScene().postProcessManager.directRender([n], r, !0),
                                i.restoreDefaultFramebuffer(),
                                i._releaseTexture(t),
                                n && n.dispose(),
                                r._swapAndDie(t),
                                t.isReady = !0
                            }
                            ))
                        }
                    };
                    r ? s() : e.onLoadObservable.addOnce(s)
                }
            }
            ,
            e.EncodeTextureToRGBD = function(e, t, i) {
                return void 0 === i && (i = a.TEXTURETYPE_UNSIGNED_BYTE),
                Ic("rgbdEncode", e, t, i, a.TEXTURE_NEAREST_SAMPLINGMODE, a.TEXTUREFORMAT_RGBA)
            }
            ,
            e
        }()
          , Fc = function(e, t, i, n) {
            this.name = e,
            this.worldAxisForNormal = t,
            this.worldAxisForFileX = i,
            this.worldAxisForFileY = n
        }
          , wc = function() {
            function e() {}
            return e.ConvertCubeMapTextureToSphericalPolynomial = function(e) {
                var t, i = this;
                if (!e.isCube)
                    return null;
                null === (t = e.getScene()) || void 0 === t || t.getEngine().flushFramebuffer();
                var n, r, o = e.getSize().width, s = e.readPixels(0, void 0, void 0, !1), l = e.readPixels(1, void 0, void 0, !1);
                e.isRenderTarget ? (n = e.readPixels(3, void 0, void 0, !1),
                r = e.readPixels(2, void 0, void 0, !1)) : (n = e.readPixels(2, void 0, void 0, !1),
                r = e.readPixels(3, void 0, void 0, !1));
                var c = e.readPixels(4, void 0, void 0, !1)
                  , u = e.readPixels(5, void 0, void 0, !1)
                  , h = e.gammaSpace
                  , d = a.TEXTUREFORMAT_RGBA
                  , p = a.TEXTURETYPE_UNSIGNED_INT;
                return e.textureType != a.TEXTURETYPE_FLOAT && e.textureType != a.TEXTURETYPE_HALF_FLOAT || (p = a.TEXTURETYPE_FLOAT),
                new Promise((function(e) {
                    Promise.all([l, s, n, r, c, u]).then((function(t) {
                        var n = t[0]
                          , r = t[1]
                          , a = t[2]
                          , s = t[3]
                          , l = t[4]
                          , c = t[5]
                          , u = {
                            size: o,
                            right: r,
                            left: n,
                            up: a,
                            down: s,
                            front: l,
                            back: c,
                            format: d,
                            type: p,
                            gammaSpace: h
                        };
                        e(i.ConvertCubeMapToSphericalPolynomial(u))
                    }
                    ))
                }
                ))
            }
            ,
            e._AreaElement = function(e, t) {
                return Math.atan2(e * t, Math.sqrt(e * e + t * t + 1))
            }
            ,
            e.ConvertCubeMapToSphericalPolynomial = function(e) {
                for (var t = new Cc, i = 0, n = 2 / e.size, r = n, o = .5 * n, s = o - 1, l = 0; l < 6; l++)
                    for (var c = this._FileFaces[l], u = e[c.name], h = s, p = e.format === a.TEXTUREFORMAT_RGBA ? 4 : 3, _ = 0; _ < e.size; _++) {
                        for (var m = s, g = 0; g < e.size; g++) {
                            var v = c.worldAxisForFileX.scale(m).add(c.worldAxisForFileY.scale(h)).add(c.worldAxisForNormal);
                            v.normalize();
                            var y = this._AreaElement(m - o, h - o) - this._AreaElement(m - o, h + o) - this._AreaElement(m + o, h - o) + this._AreaElement(m + o, h + o)
                              , b = u[_ * e.size * p + g * p + 0]
                              , T = u[_ * e.size * p + g * p + 1]
                              , E = u[_ * e.size * p + g * p + 2];
                            isNaN(b) && (b = 0),
                            isNaN(T) && (T = 0),
                            isNaN(E) && (E = 0),
                            e.type === a.TEXTURETYPE_UNSIGNED_INT && (b /= 255,
                            T /= 255,
                            E /= 255),
                            e.gammaSpace && (b = Math.pow(d.Clamp(b), f),
                            T = Math.pow(d.Clamp(T), f),
                            E = Math.pow(d.Clamp(E), f));
                            var S = 4096;
                            b = d.Clamp(b, 0, S),
                            T = d.Clamp(T, 0, S),
                            E = d.Clamp(E, 0, S);
                            var A = new D(b,T,E);
                            t.addLight(v, A, y),
                            i += y,
                            m += n
                        }
                        h += r
                    }
                var x = 4 * Math.PI * 6 / 6 / i;
                return t.scaleInPlace(x),
                t.convertIncidentRadianceToIrradiance(),
                t.convertIrradianceToLambertianRadiance(),
                Pc.FromHarmonics(t)
            }
            ,
            e._FileFaces = [new Fc("right",new x(1,0,0),new x(0,0,-1),new x(0,-1,0)), new Fc("left",new x(-1,0,0),new x(0,0,1),new x(0,-1,0)), new Fc("up",new x(0,1,0),new x(1,0,0),new x(0,0,1)), new Fc("down",new x(0,-1,0),new x(1,0,0),new x(0,0,-1)), new Fc("front",new x(0,0,1),new x(1,0,0),new x(0,-1,0)), new Fc("back",new x(0,0,-1),new x(-1,0,0),new x(0,-1,0))],
            e
        }();
        Zr.prototype.forceSphericalPolynomialsRecompute = function() {
            this._texture && (this._texture._sphericalPolynomial = null,
            this._texture._sphericalPolynomialPromise = null,
            this._texture._sphericalPolynomialComputed = !1)
        }
        ,
        Object.defineProperty(Zr.prototype, "sphericalPolynomial", {
            get: function() {
                var e = this;
                if (this._texture) {
                    if (this._texture._sphericalPolynomial || this._texture._sphericalPolynomialComputed)
                        return this._texture._sphericalPolynomial;
                    if (this._texture.isReady)
                        return this._texture._sphericalPolynomialPromise || (this._texture._sphericalPolynomialPromise = wc.ConvertCubeMapTextureToSphericalPolynomial(this),
                        null === this._texture._sphericalPolynomialPromise ? this._texture._sphericalPolynomialComputed = !0 : this._texture._sphericalPolynomialPromise.then((function(t) {
                            e._texture._sphericalPolynomial = t,
                            e._texture._sphericalPolynomialComputed = !0
                        }
                        ))),
                        null
                }
                return null
            },
            set: function(e) {
                this._texture && (this._texture._sphericalPolynomial = e)
            },
            enumerable: !0,
            configurable: !0
        });
        Pt.ShadersStore.rgbdEncodePixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#include<helperFunctions>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\ngl_FragColor=toRGBD(texture2D(textureSampler,vUV).rgb);\n}";
        var Bc = "image/png"
          , Uc = [134, 22, 135, 150, 246, 214, 150, 54];
        function Vc(e) {
            for (var t = new DataView(e.buffer,e.byteOffset,e.byteLength), i = 0, n = 0; n < Uc.length; n++)
                if (t.getUint8(i++) !== Uc[n])
                    return K.Error("Not a babylon environment map"),
                    null;
            for (var r = "", o = 0; o = t.getUint8(i++); )
                r += String.fromCharCode(o);
            var a = JSON.parse(r);
            return (a = kc(a)).specular && (a.specular.specularDataPosition = i,
            a.specular.lodGenerationScale = a.specular.lodGenerationScale || .8),
            a
        }
        function kc(e) {
            if (e.version > 2)
                throw new Error('Unsupported babylon environment map version "'.concat(e.version, '". Latest supported version is "').concat(2, '".'));
            return 2 === e.version ? e : e = V(V({}, e), {
                version: 2,
                imageType: Bc
            })
        }
        function Gc(e, t) {
            var i;
            return void 0 === t && (t = {}),
            G(this, void 0, void 0, (function() {
                var n, r, o, s, l, c, u, h, p, f, _, m, g, v, y, b, T, E, S, A, x, R, C, P, M, I, O, D, N, L;
                return z(this, (function(F) {
                    switch (F.label) {
                    case 0:
                        if (!(n = e.getInternalTexture()))
                            return [2, Promise.reject("The cube texture is invalid.")];
                        if (r = null !== (i = t.imageType) && void 0 !== i ? i : Bc,
                        o = n.getEngine(),
                        e.textureType !== a.TEXTURETYPE_HALF_FLOAT && e.textureType !== a.TEXTURETYPE_FLOAT && e.textureType !== a.TEXTURETYPE_UNSIGNED_BYTE && e.textureType !== a.TEXTURETYPE_UNSIGNED_INT && e.textureType !== a.TEXTURETYPE_UNSIGNED_INTEGER && -1 !== e.textureType)
                            return [2, Promise.reject("The cube texture should allow HDR (Full Float or Half Float).")];
                        if (s = a.TEXTURETYPE_FLOAT,
                        !o.getCaps().textureFloatRender && (s = a.TEXTURETYPE_HALF_FLOAT,
                        !o.getCaps().textureHalfFloatRender))
                            return [2, Promise.reject("Env texture can only be created when the browser supports half float or full float rendering.")];
                        l = n.width,
                        c = new mn(o),
                        u = {},
                        o.flushFramebuffer(),
                        h = d.ILog2(n.width),
                        D = 0,
                        F.label = 1;
                    case 1:
                        if (!(D <= h))
                            return [3, 9];
                        p = Math.pow(2, h - D),
                        N = 0,
                        F.label = 2;
                    case 2:
                        return N < 6 ? [4, e.readPixels(N, D, void 0, !1)] : [3, 8];
                    case 3:
                        if ((f = F.sent()) && f.byteLength === f.length) {
                            for (_ = new Float32Array(4 * f.byteLength),
                            m = 0; m < f.byteLength; m++)
                                _[m] = f[m] / 255,
                                _[m] = Math.pow(_[m], 2.2);
                            f = _
                        }
                        return g = o.createRawTexture(f, p, p, a.TEXTUREFORMAT_RGBA, !1, !0, a.TEXTURE_NEAREST_SAMPLINGMODE, null, s),
                        [4, Lc.EncodeTextureToRGBD(g, c, s)];
                    case 4:
                        return F.sent(),
                        [4, o._readTexturePixels(g, p, p)];
                    case 5:
                        return v = F.sent(),
                        [4, gi.DumpDataAsync(p, p, v, r, void 0, !1, !0, t.imageQuality)];
                    case 6:
                        y = F.sent(),
                        u[6 * D + N] = y,
                        g.dispose(),
                        F.label = 7;
                    case 7:
                        return N++,
                        [3, 2];
                    case 8:
                        return D++,
                        [3, 1];
                    case 9:
                        for (c.dispose(),
                        b = {
                            version: 2,
                            width: l,
                            imageType: r,
                            irradiance: zc(e),
                            specular: {
                                mipmaps: [],
                                lodGenerationScale: e.lodGenerationScale
                            }
                        },
                        T = 0,
                        D = 0; D <= h; D++)
                            for (N = 0; N < 6; N++)
                                E = u[6 * D + N].byteLength,
                                b.specular.mipmaps.push({
                                    length: E,
                                    position: T
                                }),
                                T += E;
                        for (S = JSON.stringify(b),
                        A = new ArrayBuffer(S.length + 1),
                        x = new Uint8Array(A),
                        D = 0,
                        R = S.length; D < R; D++)
                            x[D] = S.charCodeAt(D);
                        for (x[S.length] = 0,
                        C = Uc.length + T + A.byteLength,
                        P = new ArrayBuffer(C),
                        M = new Uint8Array(P),
                        I = new DataView(P),
                        O = 0,
                        D = 0; D < Uc.length; D++)
                            I.setUint8(O++, Uc[D]);
                        for (M.set(new Uint8Array(A), O),
                        O += A.byteLength,
                        D = 0; D <= h; D++)
                            for (N = 0; N < 6; N++)
                                L = u[6 * D + N],
                                M.set(new Uint8Array(L), O),
                                O += L.byteLength;
                        return [2, P]
                    }
                }
                ))
            }
            ))
        }
        function zc(e) {
            var t = e.sphericalPolynomial;
            return null == t ? null : {
                x: [t.x.x, t.x.y, t.x.z],
                y: [t.y.x, t.y.y, t.y.z],
                z: [t.z.x, t.z.y, t.z.z],
                xx: [t.xx.x, t.xx.y, t.xx.z],
                yy: [t.yy.x, t.yy.y, t.yy.z],
                zz: [t.zz.x, t.zz.y, t.zz.z],
                yz: [t.yz.x, t.yz.y, t.yz.z],
                zx: [t.zx.x, t.zx.y, t.zx.z],
                xy: [t.xy.x, t.xy.y, t.xy.z]
            }
        }
        function Wc(e, t) {
            var i = (t = kc(t)).specular
              , n = d.Log2(t.width);
            if (n = Math.round(n) + 1,
            i.mipmaps.length !== 6 * n)
                throw new Error('Unsupported specular mipmaps number "'.concat(i.mipmaps.length, '"'));
            for (var r = new Array(n), o = 0; o < n; o++) {
                r[o] = new Array(6);
                for (var a = 0; a < 6; a++) {
                    var s = i.mipmaps[6 * o + a];
                    r[o][a] = new Uint8Array(e.buffer,e.byteOffset + i.specularDataPosition + s.position,s.length)
                }
            }
            return r
        }
        function Hc(e, t, i) {
            var n = (i = kc(i)).specular;
            return n ? (e._lodGenerationScale = n.lodGenerationScale,
            jc(e, Wc(t, i), i.imageType)) : Promise.resolve()
        }
        function Xc(e, t, i, n, r, o, s, l, c, u, h) {
            return new Promise((function(d, p) {
                if (i) {
                    var f = t.createTexture(null, !0, !0, null, a.TEXTURE_NEAREST_SAMPLINGMODE, null, (function(e) {
                        p(e)
                    }
                    ), e);
                    n.getEffect().executeWhenCompiled((function() {
                        n.externalTextureSamplerBinding = !0,
                        n.onApply = function(i) {
                            i._bindTexture("textureSampler", f),
                            i.setFloat2("scale", 1, t._features.needsInvertingBitmap && e instanceof ImageBitmap ? -1 : 1)
                        }
                        ,
                        t.scenes.length && (t.scenes[0].postProcessManager.directRender([n], u, !0, o, s),
                        t.restoreDefaultFramebuffer(),
                        f.dispose(),
                        URL.revokeObjectURL(r),
                        d())
                    }
                    ))
                } else {
                    if (t._uploadImageToTexture(h, e, o, s),
                    l) {
                        var _ = c[s];
                        _ && t._uploadImageToTexture(_._texture, e, o, 0)
                    }
                    d()
                }
            }
            ))
        }
        function jc(e, t, i) {
            if (void 0 === i && (i = Bc),
            !gi.IsExponentOfTwo(e.width))
                throw new Error("Texture size must be a power of two");
            var n = d.ILog2(e.width) + 1
              , r = e.getEngine()
              , o = !1
              , s = !1
              , l = null
              , c = null
              , u = null
              , h = r.getCaps();
            if (e.format = a.TEXTUREFORMAT_RGBA,
            e.type = a.TEXTURETYPE_UNSIGNED_INT,
            e.generateMipMaps = !0,
            e._cachedAnisotropicFilteringLevel = null,
            r.updateTextureSamplingMode(a.TEXTURE_TRILINEAR_SAMPLINGMODE, e),
            h.textureLOD ? r._features.supportRenderAndCopyToLodForFloatTextures ? h.textureHalfFloatRender && h.textureHalfFloatLinearFiltering ? (o = !0,
            e.type = a.TEXTURETYPE_HALF_FLOAT) : h.textureFloatRender && h.textureFloatLinearFiltering && (o = !0,
            e.type = a.TEXTURETYPE_FLOAT) : o = !1 : (o = !1,
            s = !0,
            u = {}),
            o)
                l = new Ba("rgbdDecode","rgbdDecode",null,null,1,null,a.TEXTURE_TRILINEAR_SAMPLINGMODE,r,!1,void 0,e.type,void 0,null,!1),
                e._isRGBD = !1,
                e.invertY = !1,
                c = r.createRenderTargetCubeTexture(e.width, {
                    generateDepthBuffer: !1,
                    generateMipMaps: !0,
                    generateStencilBuffer: !1,
                    samplingMode: a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                    type: e.type,
                    format: a.TEXTUREFORMAT_RGBA
                });
            else if (e._isRGBD = !0,
            e.invertY = !0,
            s)
                for (var p = e._lodGenerationScale, f = e._lodGenerationOffset, _ = 0; _ < 3; _++) {
                    var m = (n - 1) * p + f
                      , g = f + (m - f) * (1 - _ / 2)
                      , v = Math.round(Math.min(Math.max(g, 0), m))
                      , y = new Lt(r,At.Temp);
                    y.isCube = !0,
                    y.invertY = !0,
                    y.generateMipMaps = !1,
                    r.updateTextureSamplingMode(a.TEXTURE_LINEAR_LINEAR, y);
                    var b = new Zr(null);
                    switch (b.isCube = !0,
                    b._texture = y,
                    u[v] = b,
                    _) {
                    case 0:
                        e._lodTextureLow = b;
                        break;
                    case 1:
                        e._lodTextureMid = b;
                        break;
                    case 2:
                        e._lodTextureHigh = b
                    }
                }
            var T = []
              , E = function(n) {
                for (var a = function(a) {
                    var h = t[n][a]
                      , d = new Blob([h],{
                        type: i
                    })
                      , p = URL.createObjectURL(d)
                      , f = void 0;
                    if ("undefined" == typeof Image || r._features.forceBitmapOverHTMLImageElement)
                        f = r.createImageBitmap(d, {
                            premultiplyAlpha: "none"
                        }).then((function(t) {
                            return Xc(t, r, o, l, p, a, n, s, u, c, e)
                        }
                        ));
                    else {
                        var _ = new Image;
                        _.src = p,
                        f = new Promise((function(t, i) {
                            _.onload = function() {
                                Xc(_, r, o, l, p, a, n, s, u, c, e).then((function() {
                                    return t()
                                }
                                )).catch((function(e) {
                                    i(e)
                                }
                                ))
                            }
                            ,
                            _.onerror = function(e) {
                                i(e)
                            }
                        }
                        ))
                    }
                    T.push(f)
                }, h = 0; h < 6; h++)
                    a(h)
            };
            for (_ = 0; _ < t.length; _++)
                E(_);
            if (t.length < n) {
                var S = void 0
                  , A = Math.pow(2, n - 1 - t.length)
                  , x = A * A * 4;
                switch (e.type) {
                case a.TEXTURETYPE_UNSIGNED_INT:
                    S = new Uint8Array(x);
                    break;
                case a.TEXTURETYPE_HALF_FLOAT:
                    S = new Uint16Array(x);
                    break;
                case a.TEXTURETYPE_FLOAT:
                    S = new Float32Array(x)
                }
                for (_ = t.length; _ < n; _++)
                    for (var R = 0; R < 6; R++)
                        r._uploadArrayBufferViewToTexture(e, S, R, _)
            }
            return Promise.all(T).then((function() {
                c && (r._releaseTexture(e),
                c._swapAndDie(e)),
                l && l.dispose(),
                s && (e._lodTextureHigh && e._lodTextureHigh._texture && (e._lodTextureHigh._texture.isReady = !0),
                e._lodTextureMid && e._lodTextureMid._texture && (e._lodTextureMid._texture.isReady = !0),
                e._lodTextureLow && e._lodTextureLow._texture && (e._lodTextureLow._texture.isReady = !0))
            }
            ))
        }
        function Yc(e, t) {
            var i = (t = kc(t)).irradiance;
            if (i) {
                var n = new Pc;
                x.FromArrayToRef(i.x, 0, n.x),
                x.FromArrayToRef(i.y, 0, n.y),
                x.FromArrayToRef(i.z, 0, n.z),
                x.FromArrayToRef(i.xx, 0, n.xx),
                x.FromArrayToRef(i.yy, 0, n.yy),
                x.FromArrayToRef(i.zz, 0, n.zz),
                x.FromArrayToRef(i.yz, 0, n.yz),
                x.FromArrayToRef(i.zx, 0, n.zx),
                x.FromArrayToRef(i.xy, 0, n.xy),
                e._sphericalPolynomial = n
            }
        }
        function Kc(e, t, i, n, r) {
            var o = jc(e.getEngine().createRawCubeTexture(null, e.width, e.format, e.type, e.generateMipMaps, e.invertY, e.samplingMode, e._compression), t).then((function() {
                return e
            }
            ));
            return e.onRebuildCallback = function(e) {
                return {
                    proxy: o,
                    isReady: !0,
                    isAsync: !0
                }
            }
            ,
            e._source = At.CubeRawRGBD,
            e._bufferViewArrayArray = t,
            e._lodGenerationScale = n,
            e._lodGenerationOffset = r,
            e._sphericalPolynomial = i,
            jc(e, t).then((function() {
                return e.isReady = !0,
                e
            }
            ))
        }
        var Qc = {
            GetEnvInfo: Vc,
            CreateEnvTextureAsync: Gc,
            CreateImageDataArrayBufferViews: Wc,
            UploadEnvLevelsAsync: Hc,
            UploadLevelsAsync: jc,
            UploadEnvSpherical: Yc
        };
        function qc(e, t, i, n) {
            for (var r = n, o = 0, a = ""; r < i.length; ) {
                var s = i.charAt(r);
                if (a)
                    s === a ? '"' === a || "'" === a ? "\\" !== i.charAt(r - 1) && (a = "") : a = "" : "*/" === a && "*" === s && r + 1 < i.length && ("/" === i.charAt(r + 1) && (a = ""),
                    "" === a && r++);
                else
                    switch (s) {
                    case e:
                        o++;
                        break;
                    case t:
                        o--;
                        break;
                    case '"':
                    case "'":
                    case "`":
                        a = s;
                        break;
                    case "/":
                        if (r + 1 < i.length) {
                            var l = i.charAt(r + 1);
                            "/" === l ? a = "\n" : "*" === l && (a = "*/")
                        }
                    }
                if (r++,
                0 === o)
                    break
            }
            return 0 === o ? r - 1 : -1
        }
        function Zc(e, t) {
            for (; t < e.length; ) {
                var i = e[t];
                if (" " !== i && "\n" !== i && "\r" !== i && "\t" !== i && "\n" !== i && " " !== i)
                    break;
                t++
            }
            return t
        }
        function Jc(e) {
            var t = e.charCodeAt(0);
            return t >= 48 && t <= 57 || t >= 65 && t <= 90 || t >= 97 && t <= 122 || 95 == t
        }
        function $c(e) {
            for (var t = 0, i = "", n = !1, r = []; t < e.length; ) {
                var o = e.charAt(t);
                if (i)
                    o === i ? '"' === i || "'" === i ? ("\\" !== e.charAt(t - 1) && (i = ""),
                    r.push(o)) : (i = "",
                    n = !1) : "*/" === i && "*" === o && t + 1 < e.length ? ("/" === e.charAt(t + 1) && (i = ""),
                    "" === i && (n = !1,
                    t++)) : n || r.push(o);
                else {
                    switch (o) {
                    case '"':
                    case "'":
                    case "`":
                        i = o;
                        break;
                    case "/":
                        if (t + 1 < e.length) {
                            var a = e.charAt(t + 1);
                            "/" === a ? (i = "\n",
                            n = !0) : "*" === a && (i = "*/",
                            n = !0)
                        }
                    }
                    n || r.push(o)
                }
                t++
            }
            return r.join("")
        }
        function eu(e, t, i) {
            for (; t >= 0 && e.charAt(t) !== i; )
                t--;
            return t
        }
        var tu, iu = function() {
            function e(e, t) {
                void 0 === t && (t = 20),
                this.debug = !1,
                this._sourceCode = e,
                this._numMaxIterations = t,
                this._functionDescr = [],
                this.inlineToken = "#define inline"
            }
            return Object.defineProperty(e.prototype, "code", {
                get: function() {
                    return this._sourceCode
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.processCode = function() {
                this.debug && console.log("Start inlining process (code size=".concat(this._sourceCode.length, ")...")),
                this._collectFunctions(),
                this._processInlining(this._numMaxIterations),
                this.debug && console.log("End of inlining process.")
            }
            ,
            e.prototype._collectFunctions = function() {
                for (var t = 0; t < this._sourceCode.length; ) {
                    var i = this._sourceCode.indexOf(this.inlineToken, t);
                    if (i < 0)
                        break;
                    var n = this._sourceCode.indexOf("(", i + this.inlineToken.length);
                    if (n < 0)
                        this.debug && console.warn("Could not find the opening parenthesis after the token. startIndex=".concat(t)),
                        t = i + this.inlineToken.length;
                    else {
                        var r = e._RegexpFindFunctionNameAndType.exec(this._sourceCode.substring(i + this.inlineToken.length, n));
                        if (r) {
                            var o = [r[3], r[4]]
                              , a = o[0]
                              , s = o[1]
                              , l = qc("(", ")", this._sourceCode, n);
                            if (l < 0)
                                this.debug && console.warn("Could not extract the parameters the function '".concat(s, "' (type=").concat(a, "). funcParamsStartIndex=").concat(n)),
                                t = i + this.inlineToken.length;
                            else {
                                var c = this._sourceCode.substring(n + 1, l)
                                  , u = Zc(this._sourceCode, l + 1);
                                if (u !== this._sourceCode.length) {
                                    var h = qc("{", "}", this._sourceCode, u);
                                    if (h < 0)
                                        this.debug && console.warn("Could not extract the body of the function '".concat(s, "' (type=").concat(a, "). funcBodyStartIndex=").concat(u)),
                                        t = i + this.inlineToken.length;
                                    else {
                                        for (var d = this._sourceCode.substring(u, h + 1), p = $c(c).split(","), f = [], _ = 0; _ < p.length; ++_) {
                                            var m = p[_].trim()
                                              , g = m.lastIndexOf(" ");
                                            g >= 0 && f.push(m.substring(g + 1))
                                        }
                                        "void" !== a && f.push("return"),
                                        this._functionDescr.push({
                                            name: s,
                                            type: a,
                                            parameters: f,
                                            body: d,
                                            callIndex: 0
                                        }),
                                        t = h + 1;
                                        var v = i > 0 ? this._sourceCode.substring(0, i) : ""
                                          , y = h + 1 < this._sourceCode.length - 1 ? this._sourceCode.substring(h + 1) : "";
                                        this._sourceCode = v + y,
                                        t -= h + 1 - i
                                    }
                                } else
                                    this.debug && console.warn("Could not extract the body of the function '".concat(s, "' (type=").concat(a, "). funcParamsEndIndex=").concat(l)),
                                    t = i + this.inlineToken.length
                            }
                        } else
                            this.debug && console.warn("Could not extract the name/type of the function from: ".concat(this._sourceCode.substring(i + this.inlineToken.length, n))),
                            t = i + this.inlineToken.length
                    }
                }
                this.debug && console.log("Collect functions: ".concat(this._functionDescr.length, " functions found. functionDescr="), this._functionDescr)
            }
            ,
            e.prototype._processInlining = function(e) {
                for (void 0 === e && (e = 20); e-- >= 0 && this._replaceFunctionCallsByCode(); )
                    ;
                return this.debug && console.log("numMaxIterations is ".concat(e, " after inlining process")),
                e >= 0
            }
            ,
            e.prototype._replaceFunctionCallsByCode = function() {
                for (var e = !1, t = 0, i = this._functionDescr; t < i.length; t++)
                    for (var n = i[t], r = n.name, o = n.type, a = n.parameters, s = n.body, l = 0; l < this._sourceCode.length; ) {
                        var c = this._sourceCode.indexOf(r, l);
                        if (c < 0)
                            break;
                        if (0 === c || Jc(this._sourceCode.charAt(c - 1)))
                            l = c + r.length;
                        else {
                            var u = Zc(this._sourceCode, c + r.length);
                            if (u !== this._sourceCode.length && "(" === this._sourceCode.charAt(u)) {
                                var h = qc("(", ")", this._sourceCode, u);
                                if (h < 0)
                                    this.debug && console.warn("Could not extract the parameters of the function call. Function '".concat(r, "' (type=").concat(o, "). callParamsStartIndex=").concat(u)),
                                    l = c + r.length;
                                else {
                                    var d = this._sourceCode.substring(u + 1, h)
                                      , p = function(e) {
                                        for (var t = [], i = 0, n = 0; i < e.length; ) {
                                            if ("(" === e.charAt(i)) {
                                                var r = qc("(", ")", e, i);
                                                if (r < 0)
                                                    return null;
                                                i = r
                                            } else
                                                "," === e.charAt(i) && (t.push(e.substring(n, i)),
                                                n = i + 1);
                                            i++
                                        }
                                        return n < i && t.push(e.substring(n, i)),
                                        t
                                    }($c(d));
                                    if (null !== p) {
                                        for (var f = [], _ = 0; _ < p.length; ++_) {
                                            var m = p[_].trim();
                                            f.push(m)
                                        }
                                        var g = "void" !== o ? r + "_" + n.callIndex++ : null;
                                        if (g && f.push(g + " ="),
                                        f.length === a.length) {
                                            l = h + 1;
                                            var v = this._replaceNames(s, a, f)
                                              , y = c > 0 ? this._sourceCode.substring(0, c) : ""
                                              , b = h + 1 < this._sourceCode.length - 1 ? this._sourceCode.substring(h + 1) : "";
                                            if (g) {
                                                var T = eu(this._sourceCode, c - 1, "\n");
                                                y = this._sourceCode.substring(0, T + 1);
                                                var E = this._sourceCode.substring(T + 1, c);
                                                this._sourceCode = y + o + " " + g + ";\n" + v + "\n" + E + g + b,
                                                this.debug && console.log("Replace function call by code. Function '".concat(r, "' (type=").concat(o, "). injectDeclarationIndex=").concat(T, ", call parameters=").concat(f))
                                            } else
                                                this._sourceCode = y + v + b,
                                                l += v.length - (h + 1 - c),
                                                this.debug && console.log("Replace function call by code. Function '".concat(r, "' (type=").concat(o, "). functionCallIndex=").concat(c, ", call parameters=").concat(f));
                                            e = !0
                                        } else
                                            this.debug && console.warn("Invalid function call: not the same number of parameters for the call than the number expected by the function. Function '".concat(r, "' (type=").concat(o, "). function parameters=").concat(a, ", call parameters=").concat(f)),
                                            l = c + r.length
                                    } else
                                        this.debug && console.warn("Invalid function call: can't extract the parameters of the function call. Function '".concat(r, "' (type=").concat(o, "). callParamsStartIndex=").concat(u, ", callParams=") + d),
                                        l = c + r.length
                                }
                            } else
                                l = c + r.length
                        }
                    }
                return e
            }
            ,
            e.prototype._replaceNames = function(e, t, i) {
                for (var n = function(n) {
                    var r = new RegExp(t[n].replace(/[.*+?^${}()|[\]\\]/g, "\\$&"),"g")
                      , o = t[n].length
                      , a = i[n];
                    e = e.replace(r, (function(i) {
                        for (var r = [], s = 1; s < arguments.length; s++)
                            r[s - 1] = arguments[s];
                        var l = r[0];
                        return Jc(e.charAt(l - 1)) || Jc(e.charAt(l + o)) ? t[n] : a
                    }
                    ))
                }, r = 0; r < t.length; ++r)
                    n(r);
                return e
            }
            ,
            e._RegexpFindFunctionNameAndType = /((\s+?)(\w+)\s+(\w+)\s*?)$/,
            e
        }(), nu = new h;
        function ru() {
            return new Promise((function(e) {
                "undefined" == typeof _native ? nu.addOnce((function(t) {
                    return e(t)
                }
                )) : e(_native)
            }
            ))
        }
        function ou(e, t) {
            return G(this, void 0, void 0, (function() {
                return z(this, (function(i) {
                    switch (i.label) {
                    case 0:
                        return [4, ru()];
                    case 1:
                        return i.sent()[e] = t,
                        [2]
                    }
                }
                ))
            }
            ))
        }
        "undefined" == typeof self || Object.prototype.hasOwnProperty.call(self, "_native") || Object.defineProperty(self, "_native", {
            get: function() {
                return tu
            },
            set: function(e) {
                (tu = e) && nu.notifyObservers(tu)
            }
        });
        var au = function() {
            function e(e) {
                this.isAsync = !1,
                this.isReady = !1,
                this._valueCache = {},
                this.engine = e
            }
            return e.prototype._getVertexShaderCode = function() {
                return null
            }
            ,
            e.prototype._getFragmentShaderCode = function() {
                return null
            }
            ,
            e.prototype._handlesSpectorRebuildCallback = function(e) {
                throw new Error("Not implemented")
            }
            ,
            e.prototype._fillEffectInformation = function(e, t, i, n, r, o, a, s) {
                var l, c = this.engine;
                if (c.supportsUniformBuffers)
                    for (var u in t)
                        e.bindUniformBlock(u, t[u]);
                for (this.engine.getUniforms(this, i).forEach((function(e, t) {
                    n[i[t]] = e
                }
                )),
                this._uniforms = n,
                l = 0; l < r.length; l++)
                    null == e.getUniform(r[l]) && (r.splice(l, 1),
                    l--);
                r.forEach((function(e, t) {
                    o[e] = t
                }
                )),
                s.push.apply(s, c.getAttributes(this, a))
            }
            ,
            e.prototype.dispose = function() {
                this._uniforms = {}
            }
            ,
            e.prototype._cacheMatrix = function(e, t) {
                var i = this._valueCache[e]
                  , n = t.updateFlag;
                return (void 0 === i || i !== n) && (this._valueCache[e] = n,
                !0)
            }
            ,
            e.prototype._cacheFloat2 = function(e, t, i) {
                var n = this._valueCache[e];
                if (!n)
                    return n = [t, i],
                    this._valueCache[e] = n,
                    !0;
                var r = !1;
                return n[0] !== t && (n[0] = t,
                r = !0),
                n[1] !== i && (n[1] = i,
                r = !0),
                r
            }
            ,
            e.prototype._cacheFloat3 = function(e, t, i, n) {
                var r = this._valueCache[e];
                if (!r)
                    return r = [t, i, n],
                    this._valueCache[e] = r,
                    !0;
                var o = !1;
                return r[0] !== t && (r[0] = t,
                o = !0),
                r[1] !== i && (r[1] = i,
                o = !0),
                r[2] !== n && (r[2] = n,
                o = !0),
                o
            }
            ,
            e.prototype._cacheFloat4 = function(e, t, i, n, r) {
                var o = this._valueCache[e];
                if (!o)
                    return o = [t, i, n, r],
                    this._valueCache[e] = o,
                    !0;
                var a = !1;
                return o[0] !== t && (o[0] = t,
                a = !0),
                o[1] !== i && (o[1] = i,
                a = !0),
                o[2] !== n && (o[2] = n,
                a = !0),
                o[3] !== r && (o[3] = r,
                a = !0),
                a
            }
            ,
            e.prototype.setInt = function(e, t) {
                var i = this._valueCache[e];
                void 0 !== i && i === t || this.engine.setInt(this._uniforms[e], t) && (this._valueCache[e] = t)
            }
            ,
            e.prototype.setInt2 = function(e, t, i) {
                this._cacheFloat2(e, t, i) && (this.engine.setInt2(this._uniforms[e], t, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setInt3 = function(e, t, i, n) {
                this._cacheFloat3(e, t, i, n) && (this.engine.setInt3(this._uniforms[e], t, i, n) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setInt4 = function(e, t, i, n, r) {
                this._cacheFloat4(e, t, i, n, r) && (this.engine.setInt4(this._uniforms[e], t, i, n, r) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setIntArray = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray2(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray3(this._uniforms[e], t)
            }
            ,
            e.prototype.setIntArray4 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setIntArray4(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloatArray = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setFloatArray(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloatArray2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setFloatArray2(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloatArray3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setFloatArray3(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloatArray4 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setFloatArray4(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray2(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray3(this._uniforms[e], t)
            }
            ,
            e.prototype.setArray4 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setArray4(this._uniforms[e], t)
            }
            ,
            e.prototype.setMatrices = function(e, t) {
                t && (this._valueCache[e] = null,
                this.engine.setMatrices(this._uniforms[e], t))
            }
            ,
            e.prototype.setMatrix = function(e, t) {
                this._cacheMatrix(e, t) && (this.engine.setMatrices(this._uniforms[e], t.toArray()) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setMatrix3x3 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setMatrix3x3(this._uniforms[e], t)
            }
            ,
            e.prototype.setMatrix2x2 = function(e, t) {
                this._valueCache[e] = null,
                this.engine.setMatrix2x2(this._uniforms[e], t)
            }
            ,
            e.prototype.setFloat = function(e, t) {
                var i = this._valueCache[e];
                void 0 !== i && i === t || this.engine.setFloat(this._uniforms[e], t) && (this._valueCache[e] = t)
            }
            ,
            e.prototype.setBool = function(e, t) {
                var i = this._valueCache[e];
                void 0 !== i && i === t || this.engine.setInt(this._uniforms[e], t ? 1 : 0) && (this._valueCache[e] = t ? 1 : 0)
            }
            ,
            e.prototype.setVector2 = function(e, t) {
                this._cacheFloat2(e, t.x, t.y) && (this.engine.setFloat2(this._uniforms[e], t.x, t.y) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat2 = function(e, t, i) {
                this._cacheFloat2(e, t, i) && (this.engine.setFloat2(this._uniforms[e], t, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setVector3 = function(e, t) {
                this._cacheFloat3(e, t.x, t.y, t.z) && (this.engine.setFloat3(this._uniforms[e], t.x, t.y, t.z) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat3 = function(e, t, i, n) {
                this._cacheFloat3(e, t, i, n) && (this.engine.setFloat3(this._uniforms[e], t, i, n) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setVector4 = function(e, t) {
                this._cacheFloat4(e, t.x, t.y, t.z, t.w) && (this.engine.setFloat4(this._uniforms[e], t.x, t.y, t.z, t.w) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setFloat4 = function(e, t, i, n, r) {
                this._cacheFloat4(e, t, i, n, r) && (this.engine.setFloat4(this._uniforms[e], t, i, n, r) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setColor3 = function(e, t) {
                this._cacheFloat3(e, t.r, t.g, t.b) && (this.engine.setFloat3(this._uniforms[e], t.r, t.g, t.b) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setColor4 = function(e, t, i) {
                this._cacheFloat4(e, t.r, t.g, t.b, i) && (this.engine.setFloat4(this._uniforms[e], t.r, t.g, t.b, i) || (this._valueCache[e] = null))
            }
            ,
            e.prototype.setDirectColor4 = function(e, t) {
                this._cacheFloat4(e, t.r, t.g, t.b, t.a) && (this.engine.setFloat4(this._uniforms[e], t.r, t.g, t.b, t.a) || (this._valueCache[e] = null))
            }
            ,
            e
        }()
          , su = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i, n, r) || this;
                return o.__framebuffer = null,
                o.__framebufferDepthStencil = null,
                o._engine = r,
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "_framebuffer", {
                get: function() {
                    return this.__framebuffer
                },
                set: function(e) {
                    this.__framebuffer && this._engine._releaseFramebufferObjects(this.__framebuffer),
                    this.__framebuffer = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_framebufferDepthStencil", {
                get: function() {
                    return this.__framebufferDepthStencil
                },
                set: function(e) {
                    this.__framebufferDepthStencil && this._engine._releaseFramebufferObjects(this.__framebufferDepthStencil),
                    this.__framebufferDepthStencil = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function(t) {
                void 0 === t && (t = !1),
                this._framebuffer = null,
                this._framebufferDepthStencil = null,
                e.prototype.dispose.call(this, t)
            }
            ,
            t
        }(Fa)
          , lu = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t
        }(Bt)
          , cu = function() {
            function e(e) {
                this._engine = e,
                this._pending = new Array,
                this._isCommandBufferScopeActive = !1,
                this._commandStream = uu._createNativeDataStream(),
                this._engine.setCommandDataStream(this._commandStream)
            }
            return e.prototype.beginCommandScope = function() {
                if (this._isCommandBufferScopeActive)
                    throw new Error("Command scope already active.");
                this._isCommandBufferScopeActive = !0
            }
            ,
            e.prototype.endCommandScope = function() {
                if (!this._isCommandBufferScopeActive)
                    throw new Error("Command scope is not active.");
                this._isCommandBufferScopeActive = !1,
                this._submit()
            }
            ,
            e.prototype.startEncodingCommand = function(e) {
                this._commandStream.writeNativeData(e)
            }
            ,
            e.prototype.encodeCommandArgAsUInt32 = function(e) {
                this._commandStream.writeUint32(e)
            }
            ,
            e.prototype.encodeCommandArgAsUInt32s = function(e) {
                this._commandStream.writeUint32Array(e)
            }
            ,
            e.prototype.encodeCommandArgAsInt32 = function(e) {
                this._commandStream.writeInt32(e)
            }
            ,
            e.prototype.encodeCommandArgAsInt32s = function(e) {
                this._commandStream.writeInt32Array(e)
            }
            ,
            e.prototype.encodeCommandArgAsFloat32 = function(e) {
                this._commandStream.writeFloat32(e)
            }
            ,
            e.prototype.encodeCommandArgAsFloat32s = function(e) {
                this._commandStream.writeFloat32Array(e)
            }
            ,
            e.prototype.encodeCommandArgAsNativeData = function(e) {
                this._commandStream.writeNativeData(e),
                this._pending.push(e)
            }
            ,
            e.prototype.finishEncodingCommand = function() {
                this._isCommandBufferScopeActive || this._submit()
            }
            ,
            e.prototype._submit = function() {
                this._engine.submitCommands(),
                this._pending.length = 0
            }
            ,
            e
        }()
          , uu = function(e) {
            function t(i) {
                void 0 === i && (i = {});
                var n = e.call(this, null, !1, void 0, i.adaptToDeviceRatio) || this;
                if (n._engine = new _native.Engine,
                n._camera = _native.Camera ? new _native.Camera : null,
                n._commandBufferEncoder = new cu(n._engine),
                n._boundBuffersVertexArray = null,
                n._currentDepthTest = _native.Engine.DEPTH_TEST_LEQUAL,
                n._stencilTest = !1,
                n._stencilMask = 255,
                n._stencilFunc = a.ALWAYS,
                n._stencilFuncRef = 0,
                n._stencilFuncMask = 255,
                n._stencilOpStencilFail = a.KEEP,
                n._stencilOpDepthFail = a.KEEP,
                n._stencilOpStencilDepthPass = a.REPLACE,
                n._zOffset = 0,
                n._zOffsetUnits = 0,
                n._depthWrite = !0,
                _native.Engine.PROTOCOL_VERSION !== t.PROTOCOL_VERSION)
                    throw new Error("Protocol version mismatch: ".concat(_native.Engine.PROTOCOL_VERSION, " (Native) !== ").concat(t.PROTOCOL_VERSION, " (JS)"));
                n._webGLVersion = 2,
                n.disableUniformBuffers = !0,
                n._caps = {
                    maxTexturesImageUnits: 16,
                    maxVertexTextureImageUnits: 16,
                    maxCombinedTexturesImageUnits: 32,
                    maxTextureSize: 512,
                    maxCubemapTextureSize: 512,
                    maxRenderTextureSize: 512,
                    maxVertexAttribs: 16,
                    maxVaryingVectors: 16,
                    maxFragmentUniformVectors: 16,
                    maxVertexUniformVectors: 16,
                    standardDerivatives: !0,
                    astc: null,
                    pvrtc: null,
                    etc1: null,
                    etc2: null,
                    bptc: null,
                    maxAnisotropy: 16,
                    uintIndices: !0,
                    fragmentDepthSupported: !1,
                    highPrecisionShaderSupported: !0,
                    colorBufferFloat: !1,
                    textureFloat: !0,
                    textureFloatLinearFiltering: !1,
                    textureFloatRender: !1,
                    textureHalfFloat: !1,
                    textureHalfFloatLinearFiltering: !1,
                    textureHalfFloatRender: !1,
                    textureLOD: !0,
                    drawBuffersExtension: !1,
                    depthTextureExtension: !1,
                    vertexArrayObject: !0,
                    instancedArrays: !1,
                    supportOcclusionQuery: !1,
                    canUseTimestampForTimerQuery: !1,
                    blendMinMax: !1,
                    maxMSAASamples: 1,
                    canUseGLInstanceID: !0,
                    canUseGLVertexID: !0,
                    supportComputeShaders: !1,
                    supportSRGBBuffers: !0,
                    supportTransformFeedbacks: !1,
                    textureMaxLevel: !1
                },
                n._features = {
                    forceBitmapOverHTMLImageElement: !1,
                    supportRenderAndCopyToLodForFloatTextures: !1,
                    supportDepthStencilTexture: !1,
                    supportShadowSamplers: !1,
                    uniformBufferHardCheckMatrix: !1,
                    allowTexturePrefiltering: !1,
                    trackUbosInFrame: !1,
                    checkUbosContentBeforeUpload: !1,
                    supportCSM: !1,
                    basisNeedsPOT: !1,
                    support3DTextures: !1,
                    needTypeSuffixInShaderConstants: !1,
                    supportMSAA: !1,
                    supportSSAO2: !1,
                    supportExtendedTextureFormats: !1,
                    supportSwitchCaseInShader: !1,
                    supportSyncTextureRead: !1,
                    needsInvertingBitmap: !0,
                    useUBOBindingCache: !0,
                    needShaderCodeInlining: !0,
                    needToAlwaysBindUniformBuffers: !1,
                    supportRenderPasses: !0,
                    _collectUbosUpdatedInFrame: !1
                },
                gi.Log("Babylon Native (v" + vr.Version + ") launched"),
                gi.LoadScript = function(e, t, i, n) {
                    gi.LoadFile(e, (function(e) {
                        Function(e).apply(null),
                        t && t()
                    }
                    ), void 0, void 0, !1, (function(e, t) {
                        i && i("LoadScript Error", t)
                    }
                    ))
                }
                ,
                "undefined" == typeof URL && (window.URL = {
                    createObjectURL: function() {},
                    revokeObjectURL: function() {}
                }),
                "undefined" == typeof Blob && (window.Blob = function(e) {
                    return e
                }
                );
                var r = window && window.devicePixelRatio || 1;
                n._hardwareScalingLevel = i.adaptToDeviceRatio ? r : 1,
                n.resize();
                var o = n.getDepthFunction();
                return o && n.setDepthFunction(o),
                n._shaderProcessor = new wt,
                n.onNewSceneAddedObservable.add((function(e) {
                    var t = e.render;
                    e.render = function() {
                        for (var i = [], r = 0; r < arguments.length; r++)
                            i[r] = arguments[r];
                        n._commandBufferEncoder.beginCommandScope(),
                        t.apply(e, i),
                        n._commandBufferEncoder.endCommandScope()
                    }
                }
                )),
                n
            }
            return U(t, e),
            t.prototype.getHardwareScalingLevel = function() {
                return this._engine.getHardwareScalingLevel()
            }
            ,
            t.prototype.setHardwareScalingLevel = function(e) {
                this._engine.setHardwareScalingLevel(e)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._boundBuffersVertexArray && this._deleteVertexArray(this._boundBuffersVertexArray),
                this._engine.dispose()
            }
            ,
            t._createNativeDataStream = function() {
                return new bc
            }
            ,
            t.prototype._queueNewFrame = function(e, t) {
                return t.requestAnimationFrame && t !== window ? t.requestAnimationFrame(e) : this._engine.requestAnimationFrame(e),
                0
            }
            ,
            t.prototype._bindUnboundFramebuffer = function(e) {
                this._currentFramebuffer !== e && (this._currentFramebuffer && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_UNBINDFRAMEBUFFER),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(this._currentFramebuffer),
                this._commandBufferEncoder.finishEncodingCommand()),
                e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_BINDFRAMEBUFFER),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.finishEncodingCommand()),
                this._currentFramebuffer = e)
            }
            ,
            t.prototype.getHostDocument = function() {
                return null
            }
            ,
            t.prototype.clear = function(e, t, i, n) {
                if (void 0 === n && (n = !1),
                this.useReverseDepthBuffer)
                    throw new Error("reverse depth buffer is not currently implemented");
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_CLEAR),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t && e ? 1 : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(e ? e.r : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(e ? e.g : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(e ? e.b : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(e ? e.a : 1),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i ? 1 : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(1),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(n ? 1 : 0),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(0),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.createIndexBuffer = function(e, t) {
                var i = this._normalizeIndexData(e)
                  , n = new lu;
                return n.references = 1,
                n.is32Bits = 4 === i.BYTES_PER_ELEMENT,
                i.byteLength && (n.nativeIndexBuffer = this._engine.createIndexBuffer(i.buffer, i.byteOffset, i.byteLength, n.is32Bits, null != t && t)),
                n
            }
            ,
            t.prototype.createVertexBuffer = function(e, t) {
                var i = ArrayBuffer.isView(e) ? e : new Float32Array(e)
                  , n = new lu;
                return n.references = 1,
                i.byteLength && (n.nativeVertexBuffer = this._engine.createVertexBuffer(i.buffer, i.byteOffset, i.byteLength, null != t && t)),
                n
            }
            ,
            t.prototype._recordVertexArrayObject = function(e, t, i, n) {
                i && this._engine.recordIndexBuffer(e, i.nativeIndexBuffer);
                for (var r = n.getAttributesNames(), o = 0; o < r.length; o++) {
                    var a = n.getAttributeLocation(o);
                    if (a >= 0) {
                        var s = t[r[o]];
                        if (s) {
                            var l = s.getBuffer();
                            l && this._engine.recordVertexBuffer(e, l.nativeVertexBuffer, a, s.byteOffset, s.byteStride, s.getSize(), this._getNativeAttribType(s.type), s.normalized, s.getInstanceDivisor())
                        }
                    }
                }
            }
            ,
            t.prototype.bindBuffers = function(e, t, i) {
                this._boundBuffersVertexArray && this._deleteVertexArray(this._boundBuffersVertexArray),
                this._boundBuffersVertexArray = this._engine.createVertexArray(),
                this._recordVertexArrayObject(this._boundBuffersVertexArray, e, t, i),
                this.bindVertexArrayObject(this._boundBuffersVertexArray)
            }
            ,
            t.prototype.recordVertexArrayObject = function(e, t, i) {
                var n = this._engine.createVertexArray();
                return this._recordVertexArrayObject(n, e, t, i),
                n
            }
            ,
            t.prototype._deleteVertexArray = function(e) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DELETEVERTEXARRAY),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.bindVertexArrayObject = function(e) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_BINDVERTEXARRAY),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.releaseVertexArrayObject = function(e) {
                this._deleteVertexArray(e)
            }
            ,
            t.prototype.getAttributes = function(e, t) {
                var i = e;
                return this._engine.getAttributes(i.nativeProgram, t)
            }
            ,
            t.prototype.drawElementsType = function(e, t, i, n) {
                this._drawCalls.addCount(1, !1),
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DRAWINDEXED),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(e),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.drawArraysType = function(e, t, i, n) {
                this._drawCalls.addCount(1, !1),
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DRAW),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(e),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.createPipelineContext = function() {
                return new au(this)
            }
            ,
            t.prototype.createMaterialContext = function() {}
            ,
            t.prototype.createDrawContext = function() {}
            ,
            t.prototype._preparePipelineContext = function(e, t, i, n, r, o, a, s, l) {
                e.nativeProgram = n ? this.createRawShaderProgram(e, t, i, void 0, l) : this.createShaderProgram(e, t, i, s, void 0, l)
            }
            ,
            t.prototype._isRenderingStateCompiled = function(e) {
                return !0
            }
            ,
            t.prototype._executeWhenRenderingStateIsCompiled = function(e, t) {
                t()
            }
            ,
            t.prototype.createRawShaderProgram = function(e, t, i, n, r) {
                throw void 0 === r && (r = null),
                new Error("Not Supported")
            }
            ,
            t.prototype.createShaderProgram = function(e, t, i, n, r, o) {
                void 0 === o && (o = null),
                this.onBeforeShaderCompilationObservable.notifyObservers(this);
                var a = new iu(t);
                a.processCode(),
                t = a.code;
                var s = new iu(i);
                s.processCode(),
                i = s.code,
                t = Ht._ConcatenateShader(t, n),
                i = Ht._ConcatenateShader(i, n);
                var l = this._engine.createProgram(t, i);
                return this.onAfterShaderCompilationObservable.notifyObservers(this),
                l
            }
            ,
            t.prototype.inlineShaderCode = function(e) {
                var t = new iu(e);
                return t.debug = !1,
                t.processCode(),
                t.code
            }
            ,
            t.prototype._setProgram = function(e) {
                this._currentProgram !== e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETPROGRAM),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.finishEncodingCommand(),
                this._currentProgram = e)
            }
            ,
            t.prototype._deletePipelineContext = function(e) {
                var t = e;
                t && t.nativeProgram && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DELETEPROGRAM),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(t.nativeProgram),
                this._commandBufferEncoder.finishEncodingCommand())
            }
            ,
            t.prototype.getUniforms = function(e, t) {
                var i = e;
                return this._engine.getUniforms(i.nativeProgram, t)
            }
            ,
            t.prototype.bindUniformBlock = function(e, t, i) {
                throw new Error("Not Implemented")
            }
            ,
            t.prototype.bindSamplers = function(e) {
                var t = e.getPipelineContext();
                this._setProgram(t.nativeProgram);
                for (var i = e.getSamplers(), n = 0; n < i.length; n++) {
                    var r = e.getUniform(i[n]);
                    r && (this._boundUniforms[n] = r)
                }
                this._currentEffect = null
            }
            ,
            t.prototype.setMatrix = function(e, t) {
                if (e) {
                    var i = t.toArray();
                    this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETMATRIX),
                    this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                    this._commandBufferEncoder.encodeCommandArgAsFloat32s(i),
                    this._commandBufferEncoder.finishEncodingCommand()
                }
            }
            ,
            t.prototype.getRenderWidth = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.width : this._engine.getRenderWidth()
            }
            ,
            t.prototype.getRenderHeight = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.height : this._engine.getRenderHeight()
            }
            ,
            t.prototype.setViewport = function(e, t, i) {
                this._cachedViewport = e,
                this._engine.setViewPort(e.x, e.y, e.width, e.height)
            }
            ,
            t.prototype.setState = function(e, t, i, n, r, o, a) {
                var s, l;
                void 0 === t && (t = 0),
                void 0 === n && (n = !1),
                void 0 === a && (a = 0),
                this._zOffset = t,
                this._zOffsetUnits = a,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETSTATE),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(e ? 1 : 0),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(t),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(a),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(null === (l = null !== (s = this.cullBackFaces) && void 0 !== s ? s : r) || void 0 === l || l ? 1 : 0),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(n ? 1 : 0),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.getInputElementClientRect = function() {
                return {
                    bottom: this.getRenderHeight(),
                    height: this.getRenderHeight(),
                    left: 0,
                    right: this.getRenderWidth(),
                    top: 0,
                    width: this.getRenderWidth(),
                    x: 0,
                    y: 0,
                    toJSON: function() {}
                }
            }
            ,
            t.prototype.setZOffset = function(e) {
                e !== this._zOffset && (this._zOffset = e,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETZOFFSET),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(this.useReverseDepthBuffer ? -e : e),
                this._commandBufferEncoder.finishEncodingCommand())
            }
            ,
            t.prototype.getZOffset = function() {
                return this._zOffset
            }
            ,
            t.prototype.setZOffsetUnits = function(e) {
                e !== this._zOffsetUnits && (this._zOffsetUnits = e,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETZOFFSETUNITS),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(this.useReverseDepthBuffer ? -e : e),
                this._commandBufferEncoder.finishEncodingCommand())
            }
            ,
            t.prototype.getZOffsetUnits = function() {
                return this._zOffsetUnits
            }
            ,
            t.prototype.setDepthBuffer = function(e) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETDEPTHTEST),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(e ? this._currentDepthTest : _native.Engine.DEPTH_TEST_ALWAYS),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.getDepthWrite = function() {
                return this._depthWrite
            }
            ,
            t.prototype.getDepthFunction = function() {
                switch (this._currentDepthTest) {
                case _native.Engine.DEPTH_TEST_NEVER:
                    return a.NEVER;
                case _native.Engine.DEPTH_TEST_ALWAYS:
                    return a.ALWAYS;
                case _native.Engine.DEPTH_TEST_GREATER:
                    return a.GREATER;
                case _native.Engine.DEPTH_TEST_GEQUAL:
                    return a.GEQUAL;
                case _native.Engine.DEPTH_TEST_NOTEQUAL:
                    return a.NOTEQUAL;
                case _native.Engine.DEPTH_TEST_EQUAL:
                    return a.EQUAL;
                case _native.Engine.DEPTH_TEST_LESS:
                    return a.LESS;
                case _native.Engine.DEPTH_TEST_LEQUAL:
                    return a.LEQUAL
                }
                return null
            }
            ,
            t.prototype.setDepthFunction = function(e) {
                var t = 0;
                switch (e) {
                case a.NEVER:
                    t = _native.Engine.DEPTH_TEST_NEVER;
                    break;
                case a.ALWAYS:
                    t = _native.Engine.DEPTH_TEST_ALWAYS;
                    break;
                case a.GREATER:
                    t = _native.Engine.DEPTH_TEST_GREATER;
                    break;
                case a.GEQUAL:
                    t = _native.Engine.DEPTH_TEST_GEQUAL;
                    break;
                case a.NOTEQUAL:
                    t = _native.Engine.DEPTH_TEST_NOTEQUAL;
                    break;
                case a.EQUAL:
                    t = _native.Engine.DEPTH_TEST_EQUAL;
                    break;
                case a.LESS:
                    t = _native.Engine.DEPTH_TEST_LESS;
                    break;
                case a.LEQUAL:
                    t = _native.Engine.DEPTH_TEST_LEQUAL
                }
                this._currentDepthTest = t,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETDEPTHTEST),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(this._currentDepthTest),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.setDepthWrite = function(e) {
                this._depthWrite = e,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETDEPTHWRITE),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(Number(e)),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.setColorWrite = function(e) {
                this._colorWrite = e,
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETCOLORWRITE),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(Number(e)),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.getColorWrite = function() {
                return this._colorWrite
            }
            ,
            t.prototype.applyStencil = function() {
                this._setStencil(this._stencilMask, this._getStencilOpFail(this._stencilOpStencilFail), this._getStencilDepthFail(this._stencilOpDepthFail), this._getStencilDepthPass(this._stencilOpStencilDepthPass), this._getStencilFunc(this._stencilFunc), this._stencilFuncRef)
            }
            ,
            t.prototype._setStencil = function(e, t, i, n, r, o) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETSTENCIL),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(e),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(n),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(r),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(o),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype.setStencilBuffer = function(e) {
                this._stencilTest = e,
                e ? this.applyStencil() : this._setStencil(255, _native.Engine.STENCIL_OP_FAIL_S_KEEP, _native.Engine.STENCIL_OP_FAIL_Z_KEEP, _native.Engine.STENCIL_OP_PASS_Z_KEEP, _native.Engine.STENCIL_TEST_ALWAYS, 0)
            }
            ,
            t.prototype.getStencilBuffer = function() {
                return this._stencilTest
            }
            ,
            t.prototype.getStencilOperationPass = function() {
                return this._stencilOpStencilDepthPass
            }
            ,
            t.prototype.setStencilOperationPass = function(e) {
                this._stencilOpStencilDepthPass = e,
                this.applyStencil()
            }
            ,
            t.prototype.setStencilMask = function(e) {
                this._stencilMask = e,
                this.applyStencil()
            }
            ,
            t.prototype.setStencilFunction = function(e) {
                this._stencilFunc = e,
                this.applyStencil()
            }
            ,
            t.prototype.setStencilFunctionReference = function(e) {
                this._stencilFuncRef = e,
                this.applyStencil()
            }
            ,
            t.prototype.setStencilFunctionMask = function(e) {
                this._stencilFuncMask = e
            }
            ,
            t.prototype.setStencilOperationFail = function(e) {
                this._stencilOpStencilFail = e,
                this.applyStencil()
            }
            ,
            t.prototype.setStencilOperationDepthFail = function(e) {
                this._stencilOpDepthFail = e,
                this.applyStencil()
            }
            ,
            t.prototype.getStencilMask = function() {
                return this._stencilMask
            }
            ,
            t.prototype.getStencilFunction = function() {
                return this._stencilFunc
            }
            ,
            t.prototype.getStencilFunctionReference = function() {
                return this._stencilFuncRef
            }
            ,
            t.prototype.getStencilFunctionMask = function() {
                return this._stencilFuncMask
            }
            ,
            t.prototype.getStencilOperationFail = function() {
                return this._stencilOpStencilFail
            }
            ,
            t.prototype.getStencilOperationDepthFail = function() {
                return this._stencilOpDepthFail
            }
            ,
            t.prototype.setAlphaConstants = function(e, t, i, n) {
                throw new Error("Setting alpha blend constant color not yet implemented.")
            }
            ,
            t.prototype.setAlphaMode = function(e, t) {
                if (void 0 === t && (t = !1),
                this._alphaMode !== e) {
                    var i = this._getNativeAlphaMode(e);
                    this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETBLENDMODE),
                    this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                    this._commandBufferEncoder.finishEncodingCommand(),
                    t || this.setDepthWrite(e === a.ALPHA_DISABLE),
                    this._alphaMode = e
                }
            }
            ,
            t.prototype.getAlphaMode = function() {
                return this._alphaMode
            }
            ,
            t.prototype.setInt = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETINT),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsInt32(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setIntArray = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETINTARRAY),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsInt32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setIntArray2 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETINTARRAY2),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsInt32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setIntArray3 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETINTARRAY3),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsInt32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setIntArray4 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETINTARRAY4),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsInt32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloatArray = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOATARRAY),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloatArray2 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOATARRAY2),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloatArray3 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOATARRAY3),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloatArray4 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOATARRAY4),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setArray = function(e, t) {
                return !!e && this.setFloatArray(e, new Float32Array(t))
            }
            ,
            t.prototype.setArray2 = function(e, t) {
                return !!e && this.setFloatArray2(e, new Float32Array(t))
            }
            ,
            t.prototype.setArray3 = function(e, t) {
                return !!e && this.setFloatArray3(e, new Float32Array(t))
            }
            ,
            t.prototype.setArray4 = function(e, t) {
                return !!e && this.setFloatArray4(e, new Float32Array(t))
            }
            ,
            t.prototype.setMatrices = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETMATRICES),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setMatrix3x3 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETMATRIX3X3),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setMatrix2x2 = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETMATRIX2X2),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32s(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloat = function(e, t) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOAT),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(t),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloat2 = function(e, t, i) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOAT2),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(t),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(i),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloat3 = function(e, t, i, n) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOAT3),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(t),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(i),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(n),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setFloat4 = function(e, t, i, n, r) {
                return !!e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETFLOAT4),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(t),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(i),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(n),
                this._commandBufferEncoder.encodeCommandArgAsFloat32(r),
                this._commandBufferEncoder.finishEncodingCommand(),
                !0)
            }
            ,
            t.prototype.setColor3 = function(e, t) {
                return !!e && (this.setFloat3(e, t.r, t.g, t.b),
                !0)
            }
            ,
            t.prototype.setColor4 = function(e, t, i) {
                return !!e && (this.setFloat4(e, t.r, t.g, t.b, i),
                !0)
            }
            ,
            t.prototype.wipeCaches = function(e) {
                this.preventCacheWipeBetweenFrames || (this.resetTextureCache(),
                this._currentEffect = null,
                e && (this._currentProgram = null,
                this._stencilStateComposer.reset(),
                this._depthCullingState.reset(),
                this._alphaState.reset()),
                this._cachedVertexBuffers = null,
                this._cachedIndexBuffer = null,
                this._cachedEffectForVertexBuffers = null)
            }
            ,
            t.prototype._createTexture = function() {
                return this._engine.createTexture()
            }
            ,
            t.prototype._deleteTexture = function(e) {
                e && this._engine.deleteTexture(e)
            }
            ,
            t.prototype.updateDynamicTexture = function(e, t, i, n, r) {
                if (void 0 === n && (n = !1),
                void 0 === n && (n = !1),
                e && e._hardwareTexture) {
                    var o = t.getCanvasTexture()
                      , a = e._hardwareTexture.underlyingResource;
                    this._engine.copyTexture(a, o),
                    e.isReady = !0
                }
            }
            ,
            t.prototype.createDynamicTexture = function(e, t, i, n) {
                return e = Math.max(e, 1),
                t = Math.max(t, 1),
                this.createRawTexture(new Uint8Array(e * t * 4), e, t, a.TEXTUREFORMAT_RGBA, !1, !1, n)
            }
            ,
            t.prototype.createVideoElement = function(e) {
                return this._camera ? this._camera.createVideo(e) : null
            }
            ,
            t.prototype.updateVideoTexture = function(e, t, i) {
                if (e && e._hardwareTexture && this._camera) {
                    var n = e._hardwareTexture.underlyingResource;
                    this._camera.updateVideoTexture(n, t, i)
                }
            }
            ,
            t.prototype.createRawTexture = function(e, t, i, n, r, o, s, l, c) {
                void 0 === l && (l = null),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT);
                var u = new Lt(this,At.Raw);
                if (u.format = n,
                u.generateMipMaps = r,
                u.samplingMode = s,
                u.invertY = o,
                u.baseWidth = t,
                u.baseHeight = i,
                u.width = u.baseWidth,
                u.height = u.baseHeight,
                u._compression = l,
                u.type = c,
                this.updateRawTexture(u, e, n, o, l, c),
                u._hardwareTexture) {
                    var h = u._hardwareTexture.underlyingResource
                      , d = this._getNativeSamplingMode(s);
                    this._setTextureSampling(h, d)
                }
                return this._internalTexturesCache.push(u),
                u
            }
            ,
            t.prototype.createRawTexture2DArray = function(e, t, i, n, r, o, s, l, c, u) {
                void 0 === c && (c = null),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT);
                var h = new Lt(this,At.Raw2DArray);
                if (h.baseWidth = t,
                h.baseHeight = i,
                h.baseDepth = n,
                h.width = t,
                h.height = i,
                h.depth = n,
                h.format = r,
                h.type = u,
                h.generateMipMaps = o,
                h.samplingMode = l,
                h.is2DArray = !0,
                h._hardwareTexture) {
                    var d = h._hardwareTexture.underlyingResource;
                    this._engine.loadRawTexture2DArray(d, e, t, i, n, this._getNativeTextureFormat(r, u), o, s);
                    var p = this._getNativeSamplingMode(l);
                    this._setTextureSampling(d, p)
                }
                return h.isReady = !0,
                this._internalTexturesCache.push(h),
                h
            }
            ,
            t.prototype.updateRawTexture = function(e, t, i, n, r, o) {
                if (void 0 === r && (r = null),
                void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
                e) {
                    if (t && e._hardwareTexture) {
                        var s = e._hardwareTexture.underlyingResource;
                        this._engine.loadRawTexture(s, t, e.width, e.height, this._getNativeTextureFormat(i, o), e.generateMipMaps, e.invertY)
                    }
                    e.isReady = !0
                }
            }
            ,
            t.prototype.createTexture = function(e, t, i, n, r, o, s, l, c, u, h, d, p, f, _) {
                var m = this;
                void 0 === r && (r = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === o && (o = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === h && (h = null),
                void 0 === _ && (_ = !1);
                var g = "data:" === (e = e || "").substr(0, 5)
                  , v = g && -1 !== e.indexOf(";base64,")
                  , y = c || new Lt(this,At.Url)
                  , b = e;
                !this._transformTextureUrl || v || c || l || (e = this._transformTextureUrl(e));
                for (var T = e.lastIndexOf("."), S = h || (T > -1 ? e.substring(T).toLowerCase() : ""), A = null, x = 0, R = vr._TextureLoaders; x < R.length; x++) {
                    var C = R[x];
                    if (C.canLoad(S)) {
                        A = C;
                        break
                    }
                }
                n && n._addPendingData(y),
                y.url = e,
                y.generateMipMaps = !t,
                y.samplingMode = r,
                y.invertY = i,
                y._useSRGBBuffer = this._getUseSRGBBuffer(_, t),
                this.doNotHandleContextLost || (y._buffer = l);
                var P = null;
                if (o && !c && (P = y.onLoadedObservable.add(o)),
                c || this._internalTexturesCache.push(y),
                A)
                    throw new Error("Loading textures from IInternalTextureLoader not yet implemented.");
                var M = function(e) {
                    if (y._hardwareTexture) {
                        var o = y._hardwareTexture.underlyingResource;
                        m._engine.loadTexture(o, e, !t, i, _, (function() {
                            y.baseWidth = m._engine.getTextureWidth(o),
                            y.baseHeight = m._engine.getTextureHeight(o),
                            y.width = y.baseWidth,
                            y.height = y.baseHeight,
                            y.isReady = !0;
                            var e = m._getNativeSamplingMode(r);
                            m._setTextureSampling(o, e),
                            n && n._removePendingData(y),
                            y.onLoadedObservable.notifyObservers(y),
                            y.onLoadedObservable.clear()
                        }
                        ), (function() {
                            throw new Error("Could not load a native texture.")
                        }
                        ))
                    } else
                        n && n._removePendingData(y)
                };
                if (g && l)
                    if (l instanceof ArrayBuffer)
                        M(new Uint8Array(l));
                    else if (ArrayBuffer.isView(l))
                        M(l);
                    else {
                        if ("string" != typeof l)
                            throw new Error("Unsupported buffer type");
                        M(new Uint8Array(gi.DecodeBase64(l)))
                    }
                else
                    v ? M(new Uint8Array(gi.DecodeBase64(e))) : this._loadFile(e, (function(e) {
                        return M(new Uint8Array(e))
                    }
                    ), void 0, void 0, !0, (function(i, a) {
                        var c;
                        c = "Unable to load " + (i && i.responseURL,
                        a),
                        n && n._removePendingData(y),
                        e === b ? (P && y.onLoadedObservable.remove(P),
                        E.UseFallbackTexture && m.createTexture(E.FallbackTexture, t, y.invertY, n, r, null, s, l, y),
                        s && s((c || "Unknown error") + (E.UseFallbackTexture ? " - Fallback texture was used" : ""), void 0)) : (K.Warn("Failed to load ".concat(e, ", falling back to ").concat(b)),
                        m.createTexture(b, t, y.invertY, n, r, o, s, l, y, u, h, d, p))
                    }
                    ));
                return y
            }
            ,
            t.prototype._createDepthStencilTexture = function(e, t, i) {
                var n = i
                  , r = new Lt(this,At.DepthStencil)
                  , o = e.width || e
                  , a = e.height || e
                  , s = this._engine.createFrameBuffer(r._hardwareTexture.underlyingResource, o, a, _native.Engine.TEXTURE_FORMAT_RGBA8, !1, !0, !1);
                return n._framebufferDepthStencil = s,
                r
            }
            ,
            t.prototype._releaseFramebufferObjects = function(e) {
                e && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DELETEFRAMEBUFFER),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.finishEncodingCommand())
            }
            ,
            t.prototype.createImageBitmapFromSource = function(e, t) {
                var i = this;
                return new Promise((function(t, n) {
                    var r = i.createCanvasImage();
                    r.onload = function() {
                        var e = i._engine.createImageBitmap(r);
                        e ? t(e) : n("Error loading image ".concat(r.src))
                    }
                    ,
                    r.onerror = function() {
                        n("Error loading image ".concat(r.src))
                    }
                    ,
                    r.src = e
                }
                ))
            }
            ,
            t.prototype.createImageBitmap = function(e, t) {
                var i = this;
                return new Promise((function(t, n) {
                    if (Array.isArray(e)) {
                        var r = e;
                        if (r.length) {
                            var o = i._engine.createImageBitmap(r[0]);
                            if (o)
                                return void t(o)
                        }
                    }
                    n("Unsupported data for createImageBitmap.")
                }
                ))
            }
            ,
            t.prototype.resizeImageBitmap = function(e, t, i) {
                return this._engine.resizeImageBitmap(e, t, i)
            }
            ,
            t.prototype.createCubeTexture = function(e, t, i, n, r, o, s, l, c, u, h, d, p, f) {
                var _ = this;
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === l && (l = null),
                void 0 === c && (c = !1),
                void 0 === u && (u = 0),
                void 0 === h && (h = 0),
                void 0 === d && (d = null),
                void 0 === f && (f = !1);
                var m = d || new Lt(this,At.Cube);
                m.isCube = !0,
                m.url = e,
                m.generateMipMaps = !n,
                m._lodGenerationScale = u,
                m._lodGenerationOffset = h,
                this._doNotHandleContextLost || (m._extension = l,
                m._files = i);
                var g = e.lastIndexOf(".");
                if (".env" === (l || (g > -1 ? e.substring(g).toLowerCase() : ""))) {
                    if (i && 6 === i.length)
                        throw new Error("Multi-file loading not allowed on env files.");
                    this._loadFile(e, (function(e) {
                        return function(e) {
                            var t = Vc(e);
                            m.width = t.width,
                            m.height = t.width,
                            Yc(m, t);
                            var i = t.specular;
                            if (!i)
                                throw new Error("Nothing else parsed so far");
                            m._lodGenerationScale = i.lodGenerationScale;
                            var n = Wc(e, t);
                            m.format = a.TEXTUREFORMAT_RGBA,
                            m.type = a.TEXTURETYPE_UNSIGNED_INT,
                            m.generateMipMaps = !0,
                            m.getEngine().updateTextureSamplingMode(io.TRILINEAR_SAMPLINGMODE, m),
                            m._isRGBD = !0,
                            m.invertY = !0,
                            _._engine.loadCubeTextureWithMips(m._hardwareTexture.underlyingResource, n, !1, f, (function() {
                                m.isReady = !0,
                                r && r()
                            }
                            ), (function() {
                                throw new Error("Could not load a native cube texture.")
                            }
                            ))
                        }(new Uint8Array(e))
                    }
                    ), void 0, void 0, !0, (function(e, t) {
                        o && e && o(e.status + " " + e.statusText, t)
                    }
                    ))
                } else {
                    if (!i || 6 !== i.length)
                        throw new Error("Cannot load cubemap because 6 files were not defined");
                    var v = [i[0], i[3], i[1], i[4], i[2], i[5]];
                    Promise.all(v.map((function(e) {
                        return gi.LoadFileAsync(e).then((function(e) {
                            return new Uint8Array(e)
                        }
                        ))
                    }
                    ))).then((function(e) {
                        return new Promise((function(t, i) {
                            _._engine.loadCubeTexture(m._hardwareTexture.underlyingResource, e, !n, !0, f, t, i)
                        }
                        ))
                    }
                    )).then((function() {
                        m.isReady = !0,
                        r && r()
                    }
                    ), (function(e) {
                        o && o("Failed to load cubemap: ".concat(e.message), e)
                    }
                    ))
                }
                return this._internalTexturesCache.push(m),
                m
            }
            ,
            t.prototype._createHardwareRenderTargetWrapper = function(e, t, i) {
                var n = new su(e,t,i,this);
                return this._renderTargetWrapperCache.push(n),
                n
            }
            ,
            t.prototype.createRenderTargetTexture = function(e, t) {
                var i = this._createHardwareRenderTargetWrapper(!1, !1, e)
                  , n = {};
                void 0 !== t && "object" == typeof t ? (n.generateMipMaps = t.generateMipMaps,
                n.generateDepthBuffer = void 0 === t.generateDepthBuffer || t.generateDepthBuffer,
                n.generateStencilBuffer = n.generateDepthBuffer && t.generateStencilBuffer,
                n.type = void 0 === t.type ? a.TEXTURETYPE_UNSIGNED_INT : t.type,
                n.samplingMode = void 0 === t.samplingMode ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : t.samplingMode,
                n.format = void 0 === t.format ? a.TEXTUREFORMAT_RGBA : t.format) : (n.generateMipMaps = t,
                n.generateDepthBuffer = !0,
                n.generateStencilBuffer = !1,
                n.type = a.TEXTURETYPE_UNSIGNED_INT,
                n.samplingMode = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                n.format = a.TEXTUREFORMAT_RGBA),
                (n.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (n.type !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (n.samplingMode = a.TEXTURE_NEAREST_SAMPLINGMODE);
                var r = new Lt(this,At.RenderTarget)
                  , o = e.width || e
                  , s = e.height || e;
                n.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (n.type = a.TEXTURETYPE_UNSIGNED_INT,
                K.Warn("Float textures are not supported. Render target forced to TEXTURETYPE_UNSIGNED_BYTE type"));
                var l = this._engine.createFrameBuffer(r._hardwareTexture.underlyingResource, o, s, this._getNativeTextureFormat(n.format, n.type), !!n.generateStencilBuffer, n.generateDepthBuffer, !!n.generateMipMaps);
                return i._framebuffer = l,
                i._generateDepthBuffer = n.generateDepthBuffer,
                i._generateStencilBuffer = !!n.generateStencilBuffer,
                r.baseWidth = o,
                r.baseHeight = s,
                r.width = o,
                r.height = s,
                r.isReady = !0,
                r.samples = 1,
                r.generateMipMaps = !!n.generateMipMaps,
                r.samplingMode = n.samplingMode,
                r.type = n.type,
                r.format = n.format,
                this._internalTexturesCache.push(r),
                i.setTextures(r),
                i
            }
            ,
            t.prototype.updateTextureSamplingMode = function(e, t) {
                if (t._hardwareTexture) {
                    var i = this._getNativeSamplingMode(e);
                    this._setTextureSampling(t._hardwareTexture.underlyingResource, i)
                }
                t.samplingMode = e
            }
            ,
            t.prototype.bindFramebuffer = function(e, t, i, n, r) {
                var o = e;
                if (t)
                    throw new Error("Cuboid frame buffers are not yet supported in NativeEngine.");
                if (i || n)
                    throw new Error("Required width/height for frame buffers not yet supported in NativeEngine.");
                o._framebufferDepthStencil ? this._bindUnboundFramebuffer(o._framebufferDepthStencil) : this._bindUnboundFramebuffer(o._framebuffer)
            }
            ,
            t.prototype.unBindFramebuffer = function(e, t, i) {
                void 0 === t && (t = !1),
                i && i(),
                this._bindUnboundFramebuffer(null)
            }
            ,
            t.prototype.createDynamicVertexBuffer = function(e) {
                return this.createVertexBuffer(e, !0)
            }
            ,
            t.prototype.updateDynamicIndexBuffer = function(e, t, i) {
                void 0 === i && (i = 0);
                var n = e
                  , r = this._normalizeIndexData(t);
                n.is32Bits = 4 === r.BYTES_PER_ELEMENT,
                this._engine.updateDynamicIndexBuffer(n.nativeIndexBuffer, r.buffer, r.byteOffset, r.byteLength, i)
            }
            ,
            t.prototype.updateDynamicVertexBuffer = function(e, t, i, n) {
                var r = e
                  , o = ArrayBuffer.isView(t) ? t : new Float32Array(t);
                this._engine.updateDynamicVertexBuffer(r.nativeVertexBuffer, o.buffer, o.byteOffset + (null != i ? i : 0), null != n ? n : o.byteLength)
            }
            ,
            t.prototype._setTexture = function(e, t, i, n) {
                void 0 === i && (i = !1),
                void 0 === n && (n = !1);
                var r, o = this._boundUniforms[e];
                if (!o)
                    return !1;
                if (!t)
                    return null != this._boundTexturesCache[e] && (this._activeChannel = e,
                    this._setTextureCore(o, null)),
                    !1;
                if (t.video)
                    this._activeChannel = e,
                    t.update();
                else if (t.delayLoadState === a.DELAYLOADSTATE_NOTLOADED)
                    return t.delayLoad(),
                    !1;
                return r = n ? t.depthStencilTexture : t.isReady() ? t.getInternalTexture() : t.isCube ? this.emptyCubeTexture : t.is3D ? this.emptyTexture3D : t.is2DArray ? this.emptyTexture2DArray : this.emptyTexture,
                this._activeChannel = e,
                !(!r || !r._hardwareTexture || (this._setTextureWrapMode(r._hardwareTexture.underlyingResource, this._getAddressMode(t.wrapU), this._getAddressMode(t.wrapV), this._getAddressMode(t.wrapR)),
                this._updateAnisotropicLevel(t),
                this._setTextureCore(o, r._hardwareTexture.underlyingResource),
                0))
            }
            ,
            t.prototype._setTextureSampling = function(e, t) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETTEXTURESAMPLING),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype._setTextureWrapMode = function(e, t, i, n) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETTEXTUREWRAPMODE),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(t),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(n),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype._setTextureCore = function(e, t) {
                this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETTEXTURE),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(t),
                this._commandBufferEncoder.finishEncodingCommand()
            }
            ,
            t.prototype._updateAnisotropicLevel = function(e) {
                var t = e.getInternalTexture()
                  , i = e.anisotropicFilteringLevel;
                t && t._hardwareTexture && t._cachedAnisotropicFilteringLevel !== i && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_SETTEXTUREANISOTROPICLEVEL),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(t._hardwareTexture.underlyingResource),
                this._commandBufferEncoder.encodeCommandArgAsUInt32(i),
                this._commandBufferEncoder.finishEncodingCommand(),
                t._cachedAnisotropicFilteringLevel = i)
            }
            ,
            t.prototype._getAddressMode = function(e) {
                switch (e) {
                case a.TEXTURE_WRAP_ADDRESSMODE:
                    return _native.Engine.ADDRESS_MODE_WRAP;
                case a.TEXTURE_CLAMP_ADDRESSMODE:
                    return _native.Engine.ADDRESS_MODE_CLAMP;
                case a.TEXTURE_MIRROR_ADDRESSMODE:
                    return _native.Engine.ADDRESS_MODE_MIRROR;
                default:
                    throw new Error("Unexpected wrap mode: " + e + ".")
                }
            }
            ,
            t.prototype._bindTexture = function(e, t) {
                var i = this._boundUniforms[e];
                if (i && t && t._hardwareTexture) {
                    var n = t._hardwareTexture.underlyingResource;
                    this._setTextureCore(i, n)
                }
            }
            ,
            t.prototype._deleteBuffer = function(e) {
                e.nativeIndexBuffer && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DELETEINDEXBUFFER),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e.nativeIndexBuffer),
                this._commandBufferEncoder.finishEncodingCommand(),
                delete e.nativeIndexBuffer),
                e.nativeVertexBuffer && (this._commandBufferEncoder.startEncodingCommand(_native.Engine.COMMAND_DELETEVERTEXBUFFER),
                this._commandBufferEncoder.encodeCommandArgAsNativeData(e.nativeVertexBuffer),
                this._commandBufferEncoder.finishEncodingCommand(),
                delete e.nativeVertexBuffer)
            }
            ,
            t.prototype.createCanvas = function(e, t) {
                if (!_native.Canvas)
                    throw new Error("Native Canvas plugin not available.");
                var i = new _native.Canvas;
                return i.width = e,
                i.height = t,
                i
            }
            ,
            t.prototype.createCanvasImage = function() {
                if (!_native.Canvas)
                    throw new Error("Native Canvas plugin not available.");
                return new _native.Image
            }
            ,
            t.prototype._uploadCompressedDataToTextureDirectly = function(e, t, i, n, r, o, a) {
                throw void 0 === o && (o = 0),
                void 0 === a && (a = 0),
                new Error("_uploadCompressedDataToTextureDirectly not implemented.")
            }
            ,
            t.prototype._uploadDataToTextureDirectly = function(e, t, i, n) {
                throw void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                new Error("_uploadDataToTextureDirectly not implemented.")
            }
            ,
            t.prototype._uploadArrayBufferViewToTexture = function(e, t, i, n) {
                throw void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                new Error("_uploadArrayBufferViewToTexture not implemented.")
            }
            ,
            t.prototype._uploadImageToTexture = function(e, t, i, n) {
                throw void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                new Error("_uploadArrayBufferViewToTexture not implemented.")
            }
            ,
            t.prototype._getNativeSamplingMode = function(e) {
                switch (e) {
                case a.TEXTURE_NEAREST_NEAREST:
                    return _native.Engine.TEXTURE_NEAREST_NEAREST;
                case a.TEXTURE_LINEAR_LINEAR:
                    return _native.Engine.TEXTURE_LINEAR_LINEAR;
                case a.TEXTURE_LINEAR_LINEAR_MIPLINEAR:
                    return _native.Engine.TEXTURE_LINEAR_LINEAR_MIPLINEAR;
                case a.TEXTURE_NEAREST_NEAREST_MIPNEAREST:
                    return _native.Engine.TEXTURE_NEAREST_NEAREST_MIPNEAREST;
                case a.TEXTURE_NEAREST_LINEAR_MIPNEAREST:
                    return _native.Engine.TEXTURE_NEAREST_LINEAR_MIPNEAREST;
                case a.TEXTURE_NEAREST_LINEAR_MIPLINEAR:
                    return _native.Engine.TEXTURE_NEAREST_LINEAR_MIPLINEAR;
                case a.TEXTURE_NEAREST_LINEAR:
                    return _native.Engine.TEXTURE_NEAREST_LINEAR;
                case a.TEXTURE_NEAREST_NEAREST_MIPLINEAR:
                    return _native.Engine.TEXTURE_NEAREST_NEAREST_MIPLINEAR;
                case a.TEXTURE_LINEAR_NEAREST_MIPNEAREST:
                    return _native.Engine.TEXTURE_LINEAR_NEAREST_MIPNEAREST;
                case a.TEXTURE_LINEAR_NEAREST_MIPLINEAR:
                    return _native.Engine.TEXTURE_LINEAR_NEAREST_MIPLINEAR;
                case a.TEXTURE_LINEAR_LINEAR_MIPNEAREST:
                    return _native.Engine.TEXTURE_LINEAR_LINEAR_MIPNEAREST;
                case a.TEXTURE_LINEAR_NEAREST:
                    return _native.Engine.TEXTURE_LINEAR_NEAREST;
                default:
                    throw new Error("Unsupported sampling mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getStencilFunc = function(e) {
                switch (e) {
                case a.LESS:
                    return _native.Engine.STENCIL_TEST_LESS;
                case a.LEQUAL:
                    return _native.Engine.STENCIL_TEST_LEQUAL;
                case a.EQUAL:
                    return _native.Engine.STENCIL_TEST_EQUAL;
                case a.GEQUAL:
                    return _native.Engine.STENCIL_TEST_GEQUAL;
                case a.GREATER:
                    return _native.Engine.STENCIL_TEST_GREATER;
                case a.NOTEQUAL:
                    return _native.Engine.STENCIL_TEST_NOTEQUAL;
                case a.NEVER:
                    return _native.Engine.STENCIL_TEST_NEVER;
                case a.ALWAYS:
                    return _native.Engine.STENCIL_TEST_ALWAYS;
                default:
                    throw new Error("Unsupported stencil func mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getStencilOpFail = function(e) {
                switch (e) {
                case a.KEEP:
                    return _native.Engine.STENCIL_OP_FAIL_S_KEEP;
                case a.ZERO:
                    return _native.Engine.STENCIL_OP_FAIL_S_ZERO;
                case a.REPLACE:
                    return _native.Engine.STENCIL_OP_FAIL_S_REPLACE;
                case a.INCR:
                    return _native.Engine.STENCIL_OP_FAIL_S_INCR;
                case a.DECR:
                    return _native.Engine.STENCIL_OP_FAIL_S_DECR;
                case a.INVERT:
                    return _native.Engine.STENCIL_OP_FAIL_S_INVERT;
                case a.INCR_WRAP:
                    return _native.Engine.STENCIL_OP_FAIL_S_INCRSAT;
                case a.DECR_WRAP:
                    return _native.Engine.STENCIL_OP_FAIL_S_DECRSAT;
                default:
                    throw new Error("Unsupported stencil OpFail mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getStencilDepthFail = function(e) {
                switch (e) {
                case a.KEEP:
                    return _native.Engine.STENCIL_OP_FAIL_Z_KEEP;
                case a.ZERO:
                    return _native.Engine.STENCIL_OP_FAIL_Z_ZERO;
                case a.REPLACE:
                    return _native.Engine.STENCIL_OP_FAIL_Z_REPLACE;
                case a.INCR:
                    return _native.Engine.STENCIL_OP_FAIL_Z_INCR;
                case a.DECR:
                    return _native.Engine.STENCIL_OP_FAIL_Z_DECR;
                case a.INVERT:
                    return _native.Engine.STENCIL_OP_FAIL_Z_INVERT;
                case a.INCR_WRAP:
                    return _native.Engine.STENCIL_OP_FAIL_Z_INCRSAT;
                case a.DECR_WRAP:
                    return _native.Engine.STENCIL_OP_FAIL_Z_DECRSAT;
                default:
                    throw new Error("Unsupported stencil depthFail mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getStencilDepthPass = function(e) {
                switch (e) {
                case a.KEEP:
                    return _native.Engine.STENCIL_OP_PASS_Z_KEEP;
                case a.ZERO:
                    return _native.Engine.STENCIL_OP_PASS_Z_ZERO;
                case a.REPLACE:
                    return _native.Engine.STENCIL_OP_PASS_Z_REPLACE;
                case a.INCR:
                    return _native.Engine.STENCIL_OP_PASS_Z_INCR;
                case a.DECR:
                    return _native.Engine.STENCIL_OP_PASS_Z_DECR;
                case a.INVERT:
                    return _native.Engine.STENCIL_OP_PASS_Z_INVERT;
                case a.INCR_WRAP:
                    return _native.Engine.STENCIL_OP_PASS_Z_INCRSAT;
                case a.DECR_WRAP:
                    return _native.Engine.STENCIL_OP_PASS_Z_DECRSAT;
                default:
                    throw new Error("Unsupported stencil opPass mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getNativeTextureFormat = function(e, t) {
                if (e == a.TEXTUREFORMAT_RGB && t == a.TEXTURETYPE_UNSIGNED_INT)
                    return _native.Engine.TEXTURE_FORMAT_RGB8;
                if (e == a.TEXTUREFORMAT_RGBA && t == a.TEXTURETYPE_UNSIGNED_INT)
                    return _native.Engine.TEXTURE_FORMAT_RGBA8;
                if (e == a.TEXTUREFORMAT_RGBA && t == a.TEXTURETYPE_FLOAT)
                    return _native.Engine.TEXTURE_FORMAT_RGBA32F;
                throw new ft("Unsupported texture format or type: format ".concat(e, ", type ").concat(t, "."),pt.UnsupportedTextureError)
            }
            ,
            t.prototype._getNativeAlphaMode = function(e) {
                switch (e) {
                case a.ALPHA_DISABLE:
                    return _native.Engine.ALPHA_DISABLE;
                case a.ALPHA_ADD:
                    return _native.Engine.ALPHA_ADD;
                case a.ALPHA_COMBINE:
                    return _native.Engine.ALPHA_COMBINE;
                case a.ALPHA_SUBTRACT:
                    return _native.Engine.ALPHA_SUBTRACT;
                case a.ALPHA_MULTIPLY:
                    return _native.Engine.ALPHA_MULTIPLY;
                case a.ALPHA_MAXIMIZED:
                    return _native.Engine.ALPHA_MAXIMIZED;
                case a.ALPHA_ONEONE:
                    return _native.Engine.ALPHA_ONEONE;
                case a.ALPHA_PREMULTIPLIED:
                    return _native.Engine.ALPHA_PREMULTIPLIED;
                case a.ALPHA_PREMULTIPLIED_PORTERDUFF:
                    return _native.Engine.ALPHA_PREMULTIPLIED_PORTERDUFF;
                case a.ALPHA_INTERPOLATE:
                    return _native.Engine.ALPHA_INTERPOLATE;
                case a.ALPHA_SCREENMODE:
                    return _native.Engine.ALPHA_SCREENMODE;
                default:
                    throw new Error("Unsupported alpha mode: ".concat(e, "."))
                }
            }
            ,
            t.prototype._getNativeAttribType = function(e) {
                switch (e) {
                case Bi.BYTE:
                    return _native.Engine.ATTRIB_TYPE_INT8;
                case Bi.UNSIGNED_BYTE:
                    return _native.Engine.ATTRIB_TYPE_UINT8;
                case Bi.SHORT:
                    return _native.Engine.ATTRIB_TYPE_INT16;
                case Bi.UNSIGNED_SHORT:
                    return _native.Engine.ATTRIB_TYPE_UINT16;
                case Bi.FLOAT:
                    return _native.Engine.ATTRIB_TYPE_FLOAT;
                default:
                    throw new Error("Unsupported attribute type: ".concat(e, "."))
                }
            }
            ,
            t.prototype.getFontOffset = function(e) {
                return {
                    ascent: 0,
                    height: 0,
                    descent: 0
                }
            }
            ,
            t.PROTOCOL_VERSION = 5,
            t
        }(vr);
        uu._createNativeDataStream = function() {
            return _native.NativeDataStream.VALIDATION_ENABLED ? new Ku : new bc
        }
        ;
        var hu, du, pu, fu, _u, mu, gu, vu, yu, bu, Tu, Eu, Su, Au, xu, Ru, Cu, Pu, Mu, Iu, Ou, Du, Nu, Lu, Fu, wu, Bu, Uu, Vu, ku, Gu, zu, Wu, Hu, Xu, ju, Yu, Ku = function(e) {
            function t() {
                return e.call(this) || this
            }
            return U(t, e),
            t.prototype.writeUint32 = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_UINT_32),
                e.prototype.writeUint32.call(this, t)
            }
            ,
            t.prototype.writeInt32 = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_INT_32),
                e.prototype.writeInt32.call(this, t)
            }
            ,
            t.prototype.writeFloat32 = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_FLOAT_32),
                e.prototype.writeFloat32.call(this, t)
            }
            ,
            t.prototype.writeUint32Array = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_UINT_32_ARRAY),
                e.prototype.writeUint32Array.call(this, t)
            }
            ,
            t.prototype.writeInt32Array = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_INT_32_ARRAY),
                e.prototype.writeInt32Array.call(this, t)
            }
            ,
            t.prototype.writeFloat32Array = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_FLOAT_32_ARRAY),
                e.prototype.writeFloat32Array.call(this, t)
            }
            ,
            t.prototype.writeNativeData = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_NATIVE_DATA),
                e.prototype.writeNativeData.call(this, t)
            }
            ,
            t.prototype.writeBoolean = function(t) {
                e.prototype.writeUint32.call(this, _native.NativeDataStream.VALIDATION_BOOLEAN),
                e.prototype.writeBoolean.call(this, t)
            }
            ,
            t
        }(bc);
        !function(e) {
            e.SRGB = "srgb"
        }(hu || (hu = {})),
        function(e) {
            e.LowPower = "low-power",
            e.HighPerformance = "high-performance"
        }(du || (du = {})),
        function(e) {
            e.DepthClipControl = "depth-clip-control",
            e.Depth24UnormStencil8 = "depth24unorm-stencil8",
            e.Depth32FloatStencil8 = "depth32float-stencil8",
            e.TextureCompressionBC = "texture-compression-bc",
            e.TextureCompressionETC2 = "texture-compression-etc2",
            e.TextureCompressionASTC = "texture-compression-astc",
            e.TimestampQuery = "timestamp-query",
            e.IndirectFirstInstance = "indirect-first-instance"
        }(pu || (pu = {})),
        function(e) {
            e[e.MapRead = 1] = "MapRead",
            e[e.MapWrite = 2] = "MapWrite",
            e[e.CopySrc = 4] = "CopySrc",
            e[e.CopyDst = 8] = "CopyDst",
            e[e.Index = 16] = "Index",
            e[e.Vertex = 32] = "Vertex",
            e[e.Uniform = 64] = "Uniform",
            e[e.Storage = 128] = "Storage",
            e[e.Indirect = 256] = "Indirect",
            e[e.QueryResolve = 512] = "QueryResolve"
        }(fu || (fu = {})),
        function(e) {
            e[e.Read = 1] = "Read",
            e[e.Write = 2] = "Write"
        }(_u || (_u = {})),
        function(e) {
            e.E1d = "1d",
            e.E2d = "2d",
            e.E3d = "3d"
        }(mu || (mu = {})),
        function(e) {
            e[e.CopySrc = 1] = "CopySrc",
            e[e.CopyDst = 2] = "CopyDst",
            e[e.TextureBinding = 4] = "TextureBinding",
            e[e.StorageBinding = 8] = "StorageBinding",
            e[e.RenderAttachment = 16] = "RenderAttachment"
        }(gu || (gu = {})),
        function(e) {
            e.E1d = "1d",
            e.E2d = "2d",
            e.E2dArray = "2d-array",
            e.Cube = "cube",
            e.CubeArray = "cube-array",
            e.E3d = "3d"
        }(vu || (vu = {})),
        function(e) {
            e.All = "all",
            e.StencilOnly = "stencil-only",
            e.DepthOnly = "depth-only"
        }(yu || (yu = {})),
        function(e) {
            e.R8Unorm = "r8unorm",
            e.R8Snorm = "r8snorm",
            e.R8Uint = "r8uint",
            e.R8Sint = "r8sint",
            e.R16Uint = "r16uint",
            e.R16Sint = "r16sint",
            e.R16Float = "r16float",
            e.RG8Unorm = "rg8unorm",
            e.RG8Snorm = "rg8snorm",
            e.RG8Uint = "rg8uint",
            e.RG8Sint = "rg8sint",
            e.R32Uint = "r32uint",
            e.R32Sint = "r32sint",
            e.R32Float = "r32float",
            e.RG16Uint = "rg16uint",
            e.RG16Sint = "rg16sint",
            e.RG16Float = "rg16float",
            e.RGBA8Unorm = "rgba8unorm",
            e.RGBA8UnormSRGB = "rgba8unorm-srgb",
            e.RGBA8Snorm = "rgba8snorm",
            e.RGBA8Uint = "rgba8uint",
            e.RGBA8Sint = "rgba8sint",
            e.BGRA8Unorm = "bgra8unorm",
            e.BGRA8UnormSRGB = "bgra8unorm-srgb",
            e.RGB9E5UFloat = "rgb9e5ufloat",
            e.RGB10A2Unorm = "rgb10a2unorm",
            e.RG11B10UFloat = "rg11b10ufloat",
            e.RG32Uint = "rg32uint",
            e.RG32Sint = "rg32sint",
            e.RG32Float = "rg32float",
            e.RGBA16Uint = "rgba16uint",
            e.RGBA16Sint = "rgba16sint",
            e.RGBA16Float = "rgba16float",
            e.RGBA32Uint = "rgba32uint",
            e.RGBA32Sint = "rgba32sint",
            e.RGBA32Float = "rgba32float",
            e.Stencil8 = "stencil8",
            e.Depth16Unorm = "depth16unorm",
            e.Depth24Plus = "depth24plus",
            e.Depth24PlusStencil8 = "depth24plus-stencil8",
            e.Depth32Float = "depth32float",
            e.BC1RGBAUnorm = "bc1-rgba-unorm",
            e.BC1RGBAUnormSRGB = "bc1-rgba-unorm-srgb",
            e.BC2RGBAUnorm = "bc2-rgba-unorm",
            e.BC2RGBAUnormSRGB = "bc2-rgba-unorm-srgb",
            e.BC3RGBAUnorm = "bc3-rgba-unorm",
            e.BC3RGBAUnormSRGB = "bc3-rgba-unorm-srgb",
            e.BC4RUnorm = "bc4-r-unorm",
            e.BC4RSnorm = "bc4-r-snorm",
            e.BC5RGUnorm = "bc5-rg-unorm",
            e.BC5RGSnorm = "bc5-rg-snorm",
            e.BC6HRGBUFloat = "bc6h-rgb-ufloat",
            e.BC6HRGBFloat = "bc6h-rgb-float",
            e.BC7RGBAUnorm = "bc7-rgba-unorm",
            e.BC7RGBAUnormSRGB = "bc7-rgba-unorm-srgb",
            e.ETC2RGB8Unorm = "etc2-rgb8unorm",
            e.ETC2RGB8UnormSRGB = "etc2-rgb8unorm-srgb",
            e.ETC2RGB8A1Unorm = "etc2-rgb8a1unorm",
            e.ETC2RGB8A1UnormSRGB = "etc2-rgb8a1unorm-srgb",
            e.ETC2RGBA8Unorm = "etc2-rgba8unorm",
            e.ETC2RGBA8UnormSRGB = "etc2-rgba8unorm-srgb",
            e.EACR11Unorm = "eac-r11unorm",
            e.EACR11Snorm = "eac-r11snorm",
            e.EACRG11Unorm = "eac-rg11unorm",
            e.EACRG11Snorm = "eac-rg11snorm",
            e.ASTC4x4Unorm = "astc-4x4-unorm",
            e.ASTC4x4UnormSRGB = "astc-4x4-unorm-srgb",
            e.ASTC5x4Unorm = "astc-5x4-unorm",
            e.ASTC5x4UnormSRGB = "astc-5x4-unorm-srgb",
            e.ASTC5x5Unorm = "astc-5x5-unorm",
            e.ASTC5x5UnormSRGB = "astc-5x5-unorm-srgb",
            e.ASTC6x5Unorm = "astc-6x5-unorm",
            e.ASTC6x5UnormSRGB = "astc-6x5-unorm-srgb",
            e.ASTC6x6Unorm = "astc-6x6-unorm",
            e.ASTC6x6UnormSRGB = "astc-6x6-unorm-srgb",
            e.ASTC8x5Unorm = "astc-8x5-unorm",
            e.ASTC8x5UnormSRGB = "astc-8x5-unorm-srgb",
            e.ASTC8x6Unorm = "astc-8x6-unorm",
            e.ASTC8x6UnormSRGB = "astc-8x6-unorm-srgb",
            e.ASTC8x8Unorm = "astc-8x8-unorm",
            e.ASTC8x8UnormSRGB = "astc-8x8-unorm-srgb",
            e.ASTC10x5Unorm = "astc-10x5-unorm",
            e.ASTC10x5UnormSRGB = "astc-10x5-unorm-srgb",
            e.ASTC10x6Unorm = "astc-10x6-unorm",
            e.ASTC10x6UnormSRGB = "astc-10x6-unorm-srgb",
            e.ASTC10x8Unorm = "astc-10x8-unorm",
            e.ASTC10x8UnormSRGB = "astc-10x8-unorm-srgb",
            e.ASTC10x10Unorm = "astc-10x10-unorm",
            e.ASTC10x10UnormSRGB = "astc-10x10-unorm-srgb",
            e.ASTC12x10Unorm = "astc-12x10-unorm",
            e.ASTC12x10UnormSRGB = "astc-12x10-unorm-srgb",
            e.ASTC12x12Unorm = "astc-12x12-unorm",
            e.ASTC12x12UnormSRGB = "astc-12x12-unorm-srgb",
            e.Depth24UnormStencil8 = "depth24unorm-stencil8",
            e.Depth32FloatStencil8 = "depth32float-stencil8"
        }(bu || (bu = {})),
        function(e) {
            e.ClampToEdge = "clamp-to-edge",
            e.Repeat = "repeat",
            e.MirrorRepeat = "mirror-repeat"
        }(Tu || (Tu = {})),
        function(e) {
            e.Nearest = "nearest",
            e.Linear = "linear"
        }(Eu || (Eu = {})),
        function(e) {
            e.Never = "never",
            e.Less = "less",
            e.Equal = "equal",
            e.LessEqual = "less-equal",
            e.Greater = "greater",
            e.NotEqual = "not-equal",
            e.GreaterEqual = "greater-equal",
            e.Always = "always"
        }(Su || (Su = {})),
        function(e) {
            e[e.Vertex = 1] = "Vertex",
            e[e.Fragment = 2] = "Fragment",
            e[e.Compute = 4] = "Compute"
        }(Au || (Au = {})),
        function(e) {
            e.Uniform = "uniform",
            e.Storage = "storage",
            e.ReadOnlyStorage = "read-only-storage"
        }(xu || (xu = {})),
        function(e) {
            e.Filtering = "filtering",
            e.NonFiltering = "non-filtering",
            e.Comparison = "comparison"
        }(Ru || (Ru = {})),
        function(e) {
            e.Float = "float",
            e.UnfilterableFloat = "unfilterable-float",
            e.Depth = "depth",
            e.Sint = "sint",
            e.Uint = "uint"
        }(Cu || (Cu = {})),
        function(e) {
            e.WriteOnly = "write-only"
        }(Pu || (Pu = {})),
        function(e) {
            e.Error = "error",
            e.Warning = "warning",
            e.Info = "info"
        }(Mu || (Mu = {})),
        function(e) {
            e.PointList = "point-list",
            e.LineList = "line-list",
            e.LineStrip = "line-strip",
            e.TriangleList = "triangle-list",
            e.TriangleStrip = "triangle-strip"
        }(Iu || (Iu = {})),
        function(e) {
            e.CCW = "ccw",
            e.CW = "cw"
        }(Ou || (Ou = {})),
        function(e) {
            e.None = "none",
            e.Front = "front",
            e.Back = "back"
        }(Du || (Du = {})),
        function(e) {
            e[e.Red = 1] = "Red",
            e[e.Green = 2] = "Green",
            e[e.Blue = 4] = "Blue",
            e[e.Alpha = 8] = "Alpha",
            e[e.All = 15] = "All"
        }(Nu || (Nu = {})),
        function(e) {
            e.Zero = "zero",
            e.One = "one",
            e.Src = "src",
            e.OneMinusSrc = "one-minus-src",
            e.SrcAlpha = "src-alpha",
            e.OneMinusSrcAlpha = "one-minus-src-alpha",
            e.Dst = "dst",
            e.OneMinusDst = "one-minus-dst",
            e.DstAlpha = "dst-alpha",
            e.OneMinusDstAlpha = "one-minus-dst-alpha",
            e.SrcAlphaSaturated = "src-alpha-saturated",
            e.Constant = "constant",
            e.OneMinusConstant = "one-minus-constant"
        }(Lu || (Lu = {})),
        function(e) {
            e.Add = "add",
            e.Subtract = "subtract",
            e.ReverseSubtract = "reverse-subtract",
            e.Min = "min",
            e.Max = "max"
        }(Fu || (Fu = {})),
        function(e) {
            e.Keep = "keep",
            e.Zero = "zero",
            e.Replace = "replace",
            e.Invert = "invert",
            e.IncrementClamp = "increment-clamp",
            e.DecrementClamp = "decrement-clamp",
            e.IncrementWrap = "increment-wrap",
            e.DecrementWrap = "decrement-wrap"
        }(wu || (wu = {})),
        function(e) {
            e.Uint16 = "uint16",
            e.Uint32 = "uint32"
        }(Bu || (Bu = {})),
        function(e) {
            e.Uint8x2 = "uint8x2",
            e.Uint8x4 = "uint8x4",
            e.Sint8x2 = "sint8x2",
            e.Sint8x4 = "sint8x4",
            e.Unorm8x2 = "unorm8x2",
            e.Unorm8x4 = "unorm8x4",
            e.Snorm8x2 = "snorm8x2",
            e.Snorm8x4 = "snorm8x4",
            e.Uint16x2 = "uint16x2",
            e.Uint16x4 = "uint16x4",
            e.Sint16x2 = "sint16x2",
            e.Sint16x4 = "sint16x4",
            e.Unorm16x2 = "unorm16x2",
            e.Unorm16x4 = "unorm16x4",
            e.Snorm16x2 = "snorm16x2",
            e.Snorm16x4 = "snorm16x4",
            e.Float16x2 = "float16x2",
            e.Float16x4 = "float16x4",
            e.Float32 = "float32",
            e.Float32x2 = "float32x2",
            e.Float32x3 = "float32x3",
            e.Float32x4 = "float32x4",
            e.Uint32 = "uint32",
            e.Uint32x2 = "uint32x2",
            e.Uint32x3 = "uint32x3",
            e.Uint32x4 = "uint32x4",
            e.Sint32 = "sint32",
            e.Sint32x2 = "sint32x2",
            e.Sint32x3 = "sint32x3",
            e.Sint32x4 = "sint32x4"
        }(Uu || (Uu = {})),
        function(e) {
            e.Vertex = "vertex",
            e.Instance = "instance"
        }(Vu || (Vu = {})),
        function(e) {
            e.Beginning = "beginning",
            e.End = "end"
        }(ku || (ku = {})),
        function(e) {
            e.Beginning = "beginning",
            e.End = "end"
        }(Gu || (Gu = {})),
        function(e) {
            e.Load = "load",
            e.Clear = "clear"
        }(zu || (zu = {})),
        function(e) {
            e.Store = "store",
            e.Discard = "discard"
        }(Wu || (Wu = {})),
        function(e) {
            e.Occlusion = "occlusion",
            e.Timestamp = "timestamp"
        }(Hu || (Hu = {})),
        function(e) {
            e.Opaque = "opaque",
            e.Premultiplied = "premultiplied"
        }(Xu || (Xu = {})),
        function(e) {
            e.Destroyed = "destroyed"
        }(ju || (ju = {})),
        function(e) {
            e.OutOfMemory = "out-of-memory",
            e.Validation = "validation"
        }(Yu || (Yu = {}));
        var Qu = function() {
            function e() {
                this.shaderLanguage = st.GLSL
            }
            return e.prototype._addUniformToLeftOverUBO = function(e, t, i) {
                var n, r;
                e = (n = this._getArraySize(e, t, i))[0],
                t = n[1],
                r = n[2];
                for (var o = 0; o < this._webgpuProcessingContext.leftOverUniforms.length; o++)
                    if (this._webgpuProcessingContext.leftOverUniforms[o].name === e)
                        return;
                this._webgpuProcessingContext.leftOverUniforms.push({
                    name: e,
                    type: t,
                    length: r
                })
            }
            ,
            e.prototype._buildLeftOverUBO = function() {
                if (!this._webgpuProcessingContext.leftOverUniforms.length)
                    return "";
                var t = e.LeftOvertUBOName
                  , i = this._webgpuProcessingContext.availableBuffers[t];
                return i || (i = {
                    binding: this._webgpuProcessingContext.getNextFreeUBOBinding()
                },
                this._webgpuProcessingContext.availableBuffers[t] = i,
                this._addBufferBindingDescription(t, i, xu.Uniform, !0),
                this._addBufferBindingDescription(t, i, xu.Uniform, !1)),
                this._generateLeftOverUBOCode(t, i)
            }
            ,
            e.prototype._collectBindingNames = function() {
                for (var e = 0; e < this._webgpuProcessingContext.bindGroupLayoutEntries.length; e++) {
                    var t = this._webgpuProcessingContext.bindGroupLayoutEntries[e];
                    if (void 0 !== t)
                        for (var i = 0; i < t.length; i++) {
                            var n = this._webgpuProcessingContext.bindGroupLayoutEntries[e][i]
                              , r = this._webgpuProcessingContext.bindGroupLayoutEntryInfo[e][n.binding].name
                              , o = this._webgpuProcessingContext.bindGroupLayoutEntryInfo[e][n.binding].nameInArrayOfTexture;
                            n && (n.texture || n.externalTexture || n.storageTexture ? this._webgpuProcessingContext.textureNames.push(o) : n.sampler ? this._webgpuProcessingContext.samplerNames.push(r) : n.buffer && this._webgpuProcessingContext.bufferNames.push(r))
                        }
                    else
                        this._webgpuProcessingContext.bindGroupLayoutEntries[e] = []
                }
            }
            ,
            e.prototype._preCreateBindGroupEntries = function() {
                for (var e = this._webgpuProcessingContext.bindGroupEntries, t = 0; t < this._webgpuProcessingContext.bindGroupLayoutEntries.length; t++) {
                    for (var i = this._webgpuProcessingContext.bindGroupLayoutEntries[t], n = [], r = 0; r < i.length; r++) {
                        var o = this._webgpuProcessingContext.bindGroupLayoutEntries[t][r];
                        o.sampler || o.texture || o.storageTexture || o.externalTexture ? n.push({
                            binding: o.binding,
                            resource: void 0
                        }) : o.buffer && n.push({
                            binding: o.binding,
                            resource: {
                                buffer: void 0,
                                offset: 0,
                                size: 0
                            }
                        })
                    }
                    e[t] = n
                }
            }
            ,
            e.prototype._addTextureBindingDescription = function(e, t, i, n, r, o) {
                var a = t.textures[i]
                  , s = a.groupIndex
                  , l = a.bindingIndex;
                if (this._webgpuProcessingContext.bindGroupLayoutEntries[s] || (this._webgpuProcessingContext.bindGroupLayoutEntries[s] = [],
                this._webgpuProcessingContext.bindGroupLayoutEntryInfo[s] = []),
                !this._webgpuProcessingContext.bindGroupLayoutEntryInfo[s][l]) {
                    var c;
                    c = null === n ? this._webgpuProcessingContext.bindGroupLayoutEntries[s].push({
                        binding: l,
                        visibility: 0,
                        externalTexture: {}
                    }) : r ? this._webgpuProcessingContext.bindGroupLayoutEntries[s].push({
                        binding: l,
                        visibility: 0,
                        storageTexture: {
                            access: Pu.WriteOnly,
                            format: r,
                            viewDimension: n
                        }
                    }) : this._webgpuProcessingContext.bindGroupLayoutEntries[s].push({
                        binding: l,
                        visibility: 0,
                        texture: {
                            sampleType: t.sampleType,
                            viewDimension: n,
                            multisampled: !1
                        }
                    });
                    var u = t.isTextureArray ? e + i : e;
                    this._webgpuProcessingContext.bindGroupLayoutEntryInfo[s][l] = {
                        name: e,
                        index: c - 1,
                        nameInArrayOfTexture: u
                    }
                }
                l = this._webgpuProcessingContext.bindGroupLayoutEntryInfo[s][l].index,
                this._webgpuProcessingContext.bindGroupLayoutEntries[s][l].visibility |= o ? Au.Vertex : Au.Fragment
            }
            ,
            e.prototype._addSamplerBindingDescription = function(e, t, i) {
                var n = t.binding
                  , r = n.groupIndex
                  , o = n.bindingIndex;
                if (this._webgpuProcessingContext.bindGroupLayoutEntries[r] || (this._webgpuProcessingContext.bindGroupLayoutEntries[r] = [],
                this._webgpuProcessingContext.bindGroupLayoutEntryInfo[r] = []),
                !this._webgpuProcessingContext.bindGroupLayoutEntryInfo[r][o]) {
                    var a = this._webgpuProcessingContext.bindGroupLayoutEntries[r].push({
                        binding: o,
                        visibility: 0,
                        sampler: {
                            type: t.type
                        }
                    });
                    this._webgpuProcessingContext.bindGroupLayoutEntryInfo[r][o] = {
                        name: e,
                        index: a - 1
                    }
                }
                o = this._webgpuProcessingContext.bindGroupLayoutEntryInfo[r][o].index,
                this._webgpuProcessingContext.bindGroupLayoutEntries[r][o].visibility |= i ? Au.Vertex : Au.Fragment
            }
            ,
            e.prototype._addBufferBindingDescription = function(e, t, i, n) {
                var r = t.binding
                  , o = r.groupIndex
                  , a = r.bindingIndex;
                if (this._webgpuProcessingContext.bindGroupLayoutEntries[o] || (this._webgpuProcessingContext.bindGroupLayoutEntries[o] = [],
                this._webgpuProcessingContext.bindGroupLayoutEntryInfo[o] = []),
                !this._webgpuProcessingContext.bindGroupLayoutEntryInfo[o][a]) {
                    var s = this._webgpuProcessingContext.bindGroupLayoutEntries[o].push({
                        binding: a,
                        visibility: 0,
                        buffer: {
                            type: i
                        }
                    });
                    this._webgpuProcessingContext.bindGroupLayoutEntryInfo[o][a] = {
                        name: e,
                        index: s - 1
                    }
                }
                a = this._webgpuProcessingContext.bindGroupLayoutEntryInfo[o][a].index,
                this._webgpuProcessingContext.bindGroupLayoutEntries[o][a].visibility |= n ? Au.Vertex : Au.Fragment
            }
            ,
            e.prototype._injectStartingAndEndingCode = function(e, t, i, n) {
                if (i) {
                    var r = e.indexOf(t);
                    if (r >= 0) {
                        for (; r++ < e.length && "{" != e.charAt(r); )
                            ;
                        if (r < e.length) {
                            for (; r++ < e.length && "\n" != e.charAt(r); )
                                ;
                            if (r < e.length) {
                                var o = e.substring(0, r + 1)
                                  , a = e.substring(r + 1);
                                e = o + i + a
                            }
                        }
                    }
                }
                if (n) {
                    var s = e.lastIndexOf("}");
                    e = e.substring(0, s),
                    e += n + "\n}"
                }
                return e
            }
            ,
            e.AutoSamplerSuffix = "Sampler",
            e.LeftOvertUBOName = "LeftOver",
            e.InternalsUBOName = "Internals",
            e.UniformSizes = {
                bool: 1,
                int: 1,
                float: 1,
                vec2: 2,
                ivec2: 2,
                vec3: 3,
                ivec3: 3,
                vec4: 4,
                ivec4: 4,
                mat2: 4,
                mat3: 12,
                mat4: 16,
                i32: 1,
                u32: 1,
                f32: 1,
                mat2x2: 4,
                mat3x3: 12,
                mat4x4: 16
            },
            e._SamplerFunctionByWebGLSamplerType = {
                sampler2D: "sampler2D",
                sampler2DArray: "sampler2DArray",
                sampler2DShadow: "sampler2DShadow",
                sampler2DArrayShadow: "sampler2DArrayShadow",
                samplerCube: "samplerCube",
                sampler3D: "sampler3D"
            },
            e._TextureTypeByWebGLSamplerType = {
                sampler2D: "texture2D",
                sampler2DArray: "texture2DArray",
                sampler2DShadow: "texture2D",
                sampler2DArrayShadow: "texture2DArray",
                samplerCube: "textureCube",
                samplerCubeArray: "textureCubeArray",
                sampler3D: "texture3D"
            },
            e._GpuTextureViewDimensionByWebGPUTextureType = {
                textureCube: vu.Cube,
                textureCubeArray: vu.CubeArray,
                texture2D: vu.E2d,
                texture2DArray: vu.E2dArray,
                texture3D: vu.E3d
            },
            e._SamplerTypeByWebGLSamplerType = {
                sampler2DShadow: "samplerShadow",
                sampler2DArrayShadow: "samplerShadow"
            },
            e._IsComparisonSamplerByWebGPUSamplerType = {
                samplerShadow: !0,
                samplerArrayShadow: !0,
                sampler: !1
            },
            e
        }()
          , qu = function() {
            function e(e, t) {
                this._name = "unnamed",
                this.shaderProcessingContext = e,
                this._leftOverUniformsByName = {},
                this.engine = t
            }
            return Object.defineProperty(e.prototype, "isAsync", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isReady", {
                get: function() {
                    return !!this.stages
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._handlesSpectorRebuildCallback = function() {}
            ,
            e.prototype._fillEffectInformation = function(e, t, i, n, r, o, a, s) {
                var l = this.engine;
                e._fragmentSourceCode = "",
                e._vertexSourceCode = "";
                var c, u = this.shaderProcessingContext.availableTextures;
                for (c = 0; c < r.length; c++) {
                    var h = r[c]
                      , d = u[r[c]];
                    null == d || null == d ? (r.splice(c, 1),
                    c--) : o[h] = c
                }
                for (var p = 0, f = l.getAttributes(this, a); p < f.length; p++) {
                    var _ = f[p];
                    s.push(_)
                }
                this.buildUniformLayout();
                var m = []
                  , g = [];
                for (c = 0; c < a.length; c++) {
                    var v = s[c];
                    v >= 0 && (m.push(a[c]),
                    g.push(v))
                }
                this.shaderProcessingContext.attributeNamesFromEffect = m,
                this.shaderProcessingContext.attributeLocationsFromEffect = g
            }
            ,
            e.prototype.buildUniformLayout = function() {
                if (this.shaderProcessingContext.leftOverUniforms.length) {
                    this.uniformBuffer = new Fi(this.engine,void 0,void 0,"leftOver-" + this._name);
                    for (var e = 0, t = this.shaderProcessingContext.leftOverUniforms; e < t.length; e++) {
                        var i = t[e]
                          , n = i.type.replace(/^(.*?)(<.*>)?$/, "$1")
                          , r = Qu.UniformSizes[n];
                        this.uniformBuffer.addUniform(i.name, r, i.length),
                        this._leftOverUniformsByName[i.name] = i.type
                    }
                    this.uniformBuffer.create()
                }
            }
            ,
            e.prototype.dispose = function() {
                this.uniformBuffer && this.uniformBuffer.dispose()
            }
            ,
            e.prototype.setInt = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateInt(e, t)
            }
            ,
            e.prototype.setInt2 = function(e, t, i) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateInt2(e, t, i)
            }
            ,
            e.prototype.setInt3 = function(e, t, i, n) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateInt3(e, t, i, n)
            }
            ,
            e.prototype.setInt4 = function(e, t, i, n, r) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateInt4(e, t, i, n, r)
            }
            ,
            e.prototype.setIntArray = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateIntArray(e, t)
            }
            ,
            e.prototype.setIntArray2 = function(e, t) {
                this.setIntArray(e, t)
            }
            ,
            e.prototype.setIntArray3 = function(e, t) {
                this.setIntArray(e, t)
            }
            ,
            e.prototype.setIntArray4 = function(e, t) {
                this.setIntArray(e, t)
            }
            ,
            e.prototype.setArray = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateArray(e, t)
            }
            ,
            e.prototype.setArray2 = function(e, t) {
                this.setArray(e, t)
            }
            ,
            e.prototype.setArray3 = function(e, t) {
                this.setArray(e, t)
            }
            ,
            e.prototype.setArray4 = function(e, t) {
                this.setArray(e, t)
            }
            ,
            e.prototype.setMatrices = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateMatrices(e, t)
            }
            ,
            e.prototype.setMatrix = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateMatrix(e, t)
            }
            ,
            e.prototype.setMatrix3x3 = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateMatrix3x3(e, t)
            }
            ,
            e.prototype.setMatrix2x2 = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateMatrix2x2(e, t)
            }
            ,
            e.prototype.setFloat = function(e, t) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateFloat(e, t)
            }
            ,
            e.prototype.setVector2 = function(e, t) {
                this.setFloat2(e, t.x, t.y)
            }
            ,
            e.prototype.setFloat2 = function(e, t, i) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateFloat2(e, t, i)
            }
            ,
            e.prototype.setVector3 = function(e, t) {
                this.setFloat3(e, t.x, t.y, t.z)
            }
            ,
            e.prototype.setFloat3 = function(e, t, i, n) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateFloat3(e, t, i, n)
            }
            ,
            e.prototype.setVector4 = function(e, t) {
                this.setFloat4(e, t.x, t.y, t.z, t.w)
            }
            ,
            e.prototype.setFloat4 = function(e, t, i, n, r) {
                this.uniformBuffer && this._leftOverUniformsByName[e] && this.uniformBuffer.updateFloat4(e, t, i, n, r)
            }
            ,
            e.prototype.setColor3 = function(e, t) {
                this.setFloat3(e, t.r, t.g, t.b)
            }
            ,
            e.prototype.setColor4 = function(e, t, i) {
                this.setFloat4(e, t.r, t.g, t.b, i)
            }
            ,
            e.prototype.setDirectColor4 = function(e, t) {
                this.setFloat4(e, t.r, t.g, t.b, t.a)
            }
            ,
            e.prototype._getVertexShaderCode = function() {
                var e;
                return null === (e = this.sources) || void 0 === e ? void 0 : e.vertex
            }
            ,
            e.prototype._getFragmentShaderCode = function() {
                var e;
                return null === (e = this.sources) || void 0 === e ? void 0 : e.fragment
            }
            ,
            e
        }()
          , Zu = {
            mat2: 2,
            mat3: 3,
            mat4: 4,
            mat2x2: 2,
            mat3x3: 3,
            mat4x4: 4
        }
          , Ju = function() {
            function e(e) {
                this.shaderLanguage = e,
                this._attributeNextLocation = 0,
                this._varyingNextLocation = 0,
                this.freeGroupIndex = 0,
                this.freeBindingIndex = 0,
                this.availableVaryings = {},
                this.availableAttributes = {},
                this.availableBuffers = {},
                this.availableTextures = {},
                this.availableSamplers = {},
                this.orderedAttributes = [],
                this.bindGroupLayoutEntries = [],
                this.bindGroupLayoutEntryInfo = [],
                this.bindGroupEntries = [],
                this.bufferNames = [],
                this.textureNames = [],
                this.samplerNames = [],
                this.leftOverUniforms = [],
                this._findStartingGroupBinding()
            }
            return Object.defineProperty(e, "KnownUBOs", {
                get: function() {
                    return e._SimplifiedKnownBindings ? e._SimplifiedKnownUBOs : e._KnownUBOs
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._findStartingGroupBinding = function() {
                var t = e.KnownUBOs
                  , i = [];
                for (var n in t) {
                    var r = t[n].binding;
                    -1 !== r.groupIndex && (void 0 === i[r.groupIndex] ? i[r.groupIndex] = r.bindingIndex : i[r.groupIndex] = Math.max(i[r.groupIndex], r.bindingIndex))
                }
                this.freeGroupIndex = i.length - 1,
                0 === this.freeGroupIndex ? (this.freeGroupIndex++,
                this.freeBindingIndex = 0) : this.freeBindingIndex = i[i.length - 1] + 1
            }
            ,
            e.prototype.getAttributeNextLocation = function(e, t) {
                var i;
                void 0 === t && (t = 0);
                var n = this._attributeNextLocation;
                return this._attributeNextLocation += (null !== (i = Zu[e]) && void 0 !== i ? i : 1) * (t || 1),
                n
            }
            ,
            e.prototype.getVaryingNextLocation = function(e, t) {
                var i;
                void 0 === t && (t = 0);
                var n = this._varyingNextLocation;
                return this._varyingNextLocation += (null !== (i = Zu[e]) && void 0 !== i ? i : 1) * (t || 1),
                n
            }
            ,
            e.prototype.getNextFreeUBOBinding = function() {
                return this._getNextFreeBinding(1)
            }
            ,
            e.prototype._getNextFreeBinding = function(e) {
                if (this.freeBindingIndex > 65536 - e && (this.freeGroupIndex++,
                this.freeBindingIndex = 0),
                4 === this.freeGroupIndex)
                    throw "Too many textures or UBOs have been declared and it is not supported in WebGPU.";
                var t = {
                    groupIndex: this.freeGroupIndex,
                    bindingIndex: this.freeBindingIndex
                };
                return this.freeBindingIndex += e,
                t
            }
            ,
            e._SimplifiedKnownBindings = !0,
            e._SimplifiedKnownUBOs = {
                Scene: {
                    binding: {
                        groupIndex: 0,
                        bindingIndex: 0
                    }
                },
                Light0: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light1: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light2: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light3: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light4: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light5: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light6: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light7: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light8: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light9: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light10: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light11: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light12: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light13: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light14: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light15: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light16: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light17: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light18: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light19: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light20: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light21: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light22: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light23: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light24: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light25: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light26: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light27: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light28: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light29: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light30: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Light31: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Material: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Mesh: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                },
                Internals: {
                    binding: {
                        groupIndex: -1,
                        bindingIndex: -1
                    }
                }
            },
            e._KnownUBOs = {
                Scene: {
                    binding: {
                        groupIndex: 0,
                        bindingIndex: 0
                    }
                },
                Light0: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 0
                    }
                },
                Light1: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 1
                    }
                },
                Light2: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 2
                    }
                },
                Light3: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 3
                    }
                },
                Light4: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 4
                    }
                },
                Light5: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 5
                    }
                },
                Light6: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 6
                    }
                },
                Light7: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 7
                    }
                },
                Light8: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 8
                    }
                },
                Light9: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 9
                    }
                },
                Light10: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 10
                    }
                },
                Light11: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 11
                    }
                },
                Light12: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 12
                    }
                },
                Light13: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 13
                    }
                },
                Light14: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 14
                    }
                },
                Light15: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 15
                    }
                },
                Light16: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 16
                    }
                },
                Light17: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 17
                    }
                },
                Light18: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 18
                    }
                },
                Light19: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 19
                    }
                },
                Light20: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 20
                    }
                },
                Light21: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 21
                    }
                },
                Light22: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 22
                    }
                },
                Light23: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 23
                    }
                },
                Light24: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 24
                    }
                },
                Light25: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 25
                    }
                },
                Light26: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 26
                    }
                },
                Light27: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 27
                    }
                },
                Light28: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 28
                    }
                },
                Light29: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 29
                    }
                },
                Light30: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 30
                    }
                },
                Light31: {
                    binding: {
                        groupIndex: 1,
                        bindingIndex: 31
                    }
                },
                Material: {
                    binding: {
                        groupIndex: 2,
                        bindingIndex: 0
                    }
                },
                Mesh: {
                    binding: {
                        groupIndex: 2,
                        bindingIndex: 1
                    }
                },
                Internals: {
                    binding: {
                        groupIndex: 2,
                        bindingIndex: 2
                    }
                }
            },
            e
        }()
          , $u = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t._missingVaryings = [],
                t._textureArrayProcessing = [],
                t.shaderLanguage = st.GLSL,
                t
            }
            return U(t, e),
            t.prototype._getArraySize = function(e, t, i) {
                var n = 0
                  , r = e.indexOf("[")
                  , o = e.indexOf("]");
                if (r > 0 && o > 0) {
                    var a = e.substring(r + 1, o);
                    n = +a,
                    isNaN(n) && (n = +i[a.trim()]),
                    e = e.substr(0, r)
                }
                return [e, t, n]
            }
            ,
            t.prototype.initializeShaders = function(e) {
                this._webgpuProcessingContext = e,
                this._missingVaryings.length = 0,
                this._textureArrayProcessing.length = 0
            }
            ,
            t.prototype.preProcessShaderCode = function(e, t) {
                var i = "uniform ".concat(Qu.InternalsUBOName, " {\nfloat yFactor__;\nfloat textureOutputHeight__;\n};\n");
                return t ? i + "##INJECTCODE##\n" + e : i + e
            }
            ,
            t.prototype.varyingProcessor = function(e, t, i) {
                this._preProcessors = i;
                var n = /\s*varying\s+(?:(?:highp)?|(?:lowp)?)\s*(\S+)\s+(\S+)\s*;/gm.exec(e);
                if (null != n) {
                    var r, o = n[1], a = n[2];
                    t ? (r = this._webgpuProcessingContext.availableVaryings[a],
                    this._missingVaryings[r] = "",
                    void 0 === r && K.Warn('Invalid fragment shader: The varying named "'.concat(a, '" is not declared in the vertex shader! This declaration will be ignored.'))) : (r = this._webgpuProcessingContext.getVaryingNextLocation(o, this._getArraySize(a, o, i)[2]),
                    this._webgpuProcessingContext.availableVaryings[a] = r,
                    this._missingVaryings[r] = "layout(location = ".concat(r, ") in ").concat(o, " ").concat(a, ";")),
                    e = e.replace(n[0], void 0 === r ? "" : "layout(location = ".concat(r, ") ").concat(t ? "in" : "out", " ").concat(o, " ").concat(a, ";"))
                }
                return e
            }
            ,
            t.prototype.attributeProcessor = function(e, t) {
                this._preProcessors = t;
                var i = /\s*attribute\s+(\S+)\s+(\S+)\s*;/gm.exec(e);
                if (null != i) {
                    var n = i[1]
                      , r = i[2]
                      , o = this._webgpuProcessingContext.getAttributeNextLocation(n, this._getArraySize(r, n, t)[2]);
                    this._webgpuProcessingContext.availableAttributes[r] = o,
                    this._webgpuProcessingContext.orderedAttributes[o] = r,
                    e = e.replace(i[0], "layout(location = ".concat(o, ") in ").concat(n, " ").concat(r, ";"))
                }
                return e
            }
            ,
            t.prototype.uniformProcessor = function(e, t, i) {
                var n, r;
                this._preProcessors = i;
                var o = /\s*uniform\s+(?:(?:highp)?|(?:lowp)?)\s*(\S+)\s+(\S+)\s*;/gm.exec(e);
                if (null != o) {
                    var a = o[1]
                      , s = o[2];
                    if (0 === a.indexOf("sampler") || 1 === a.indexOf("sampler")) {
                        var l = 0;
                        s = (n = this._getArraySize(s, a, i))[0],
                        a = n[1],
                        l = n[2];
                        var c = this._webgpuProcessingContext.availableTextures[s];
                        if (!c) {
                            c = {
                                autoBindSampler: !0,
                                isTextureArray: l > 0,
                                isStorageTexture: !1,
                                textures: [],
                                sampleType: Cu.Float
                            };
                            for (var u = 0; u < (l || 1); ++u)
                                c.textures.push(this._webgpuProcessingContext.getNextFreeUBOBinding())
                        }
                        var h = null !== (r = Qu._SamplerTypeByWebGLSamplerType[a]) && void 0 !== r ? r : "sampler"
                          , d = !!Qu._IsComparisonSamplerByWebGPUSamplerType[h]
                          , p = d ? Ru.Comparison : Ru.Filtering
                          , f = s + Qu.AutoSamplerSuffix
                          , _ = this._webgpuProcessingContext.availableSamplers[f];
                        _ || (_ = {
                            binding: this._webgpuProcessingContext.getNextFreeUBOBinding(),
                            type: p
                        });
                        var m = "u" === a.charAt(0) ? "u" : "i" === a.charAt(0) ? "i" : "";
                        m && (a = a.substr(1));
                        var g = d ? Cu.Depth : "u" === m ? Cu.Uint : "i" === m ? Cu.Sint : Cu.Float;
                        c.sampleType = g;
                        var v = l > 0
                          , y = _.binding.groupIndex
                          , b = _.binding.bindingIndex
                          , T = Qu._SamplerFunctionByWebGLSamplerType[a]
                          , E = Qu._TextureTypeByWebGLSamplerType[a]
                          , S = Qu._GpuTextureViewDimensionByWebGPUTextureType[E];
                        if (v) {
                            var A = [];
                            for (A.push("layout(set = ".concat(y, ", binding = ").concat(b, ") uniform ").concat(m).concat(h, " ").concat(f, ";")),
                            e = "\r\n",
                            u = 0; u < l; ++u) {
                                var x = c.textures[u].groupIndex
                                  , R = c.textures[u].bindingIndex;
                                A.push("layout(set = ".concat(x, ", binding = ").concat(R, ") uniform ").concat(E, " ").concat(s, "Texture").concat(u, ";")),
                                e += "".concat(u > 0 ? "\r\n" : "", "#define ").concat(s).concat(u, " ").concat(m).concat(T, "(").concat(s, "Texture").concat(u, ", ").concat(f, ")")
                            }
                            e = A.join("\r\n") + e,
                            this._textureArrayProcessing.push(s)
                        } else
                            l = 1,
                            e = "layout(set = ".concat(y, ", binding = ").concat(b, ") uniform ").concat(m).concat(h, " ").concat(f, ";\n                        layout(set = ").concat(c.textures[0].groupIndex, ", binding = ").concat(c.textures[0].bindingIndex, ") uniform ").concat(E, " ").concat(s, "Texture;\n                        #define ").concat(s, " ").concat(m).concat(T, "(").concat(s, "Texture, ").concat(f, ")");
                        for (this._webgpuProcessingContext.availableTextures[s] = c,
                        this._webgpuProcessingContext.availableSamplers[f] = _,
                        this._addSamplerBindingDescription(f, _, !t),
                        u = 0; u < l; ++u)
                            this._addTextureBindingDescription(s, c, u, S, null, !t)
                    } else
                        this._addUniformToLeftOverUBO(s, a, i),
                        e = ""
                }
                return e
            }
            ,
            t.prototype.uniformBufferProcessor = function(e, t) {
                var i = /uniform\s+(\w+)/gm.exec(e);
                if (null != i) {
                    var n = i[1]
                      , r = this._webgpuProcessingContext.availableBuffers[n];
                    if (!r) {
                        var o = Ju.KnownUBOs[n];
                        r = {
                            binding: o && -1 !== o.binding.groupIndex ? o.binding : this._webgpuProcessingContext.getNextFreeUBOBinding()
                        },
                        this._webgpuProcessingContext.availableBuffers[n] = r
                    }
                    this._addBufferBindingDescription(n, r, xu.Uniform, !t),
                    e = e.replace("uniform", "layout(set = ".concat(r.binding.groupIndex, ", binding = ").concat(r.binding.bindingIndex, ") uniform"))
                }
                return e
            }
            ,
            t.prototype.postProcessor = function(e, t, i, n, r) {
                var o = -1 !== e.search(/#extension.+GL_EXT_draw_buffers.+require/);
                if (e = (e = e.replace(/#extension.+(GL_OVR_multiview2|GL_OES_standard_derivatives|GL_EXT_shader_texture_lod|GL_EXT_frag_depth|GL_EXT_draw_buffers).+(enable|require)/g, "")).replace(/texture2D\s*\(/g, "texture("),
                i) {
                    var a = e.indexOf("gl_FragCoord") >= 0
                      , s = a ? "vec4 glFragCoord__;\n" : "";
                    e = (e = (e = (e = (e = (e = (e = (e = (e = (e = e.replace(/texture2DLodEXT\s*\(/g, "textureLod(")).replace(/textureCubeLodEXT\s*\(/g, "textureLod(")).replace(/textureCube\s*\(/g, "texture(")).replace(/gl_FragDepthEXT/g, "gl_FragDepth")).replace(/gl_FragColor/g, "glFragColor")).replace(/gl_FragData/g, "glFragData")).replace(/gl_FragCoord/g, "glFragCoord__")).replace(/void\s+?main\s*\(/g, (o ? "" : "layout(location = 0) out vec4 glFragColor;\n") + "void main(")).replace(/dFdy/g, "(-yFactor__)*dFdy")).replace("##INJECTCODE##", s),
                    a && (e = this._injectStartingAndEndingCode(e, "void main", "\n                glFragCoord__ = gl_FragCoord;\n                if (yFactor__ == 1.) {\n                    glFragCoord__.y = textureOutputHeight__ - glFragCoord__.y;\n                }\n            "))
                } else if (e = (e = e.replace(/gl_InstanceID/g, "gl_InstanceIndex")).replace(/gl_VertexID/g, "gl_VertexIndex"),
                -1 !== t.indexOf("#define MULTIVIEW"))
                    return "#extension GL_OVR_multiview2 : require\nlayout (num_views = 2) in;\n" + e;
                if (!i) {
                    var l = e.lastIndexOf("}");
                    e = e.substring(0, l),
                    e += "gl_Position.y *= yFactor__;\n",
                    r.isNDCHalfZRange || (e += "gl_Position.z = (gl_Position.z + gl_Position.w) / 2.0;\n"),
                    e += "}"
                }
                return e
            }
            ,
            t.prototype._applyTextureArrayProcessing = function(e, t) {
                for (var i = new RegExp(t + "\\s*\\[(.+)?\\]","gm"), n = i.exec(e); null != n; ) {
                    var r = n[1]
                      , o = +r;
                    this._preProcessors && isNaN(o) && (o = +this._preProcessors[r.trim()]),
                    e = e.replace(n[0], t + o),
                    n = i.exec(e)
                }
                return e
            }
            ,
            t.prototype._generateLeftOverUBOCode = function(e, t) {
                for (var i = "layout(set = ".concat(t.binding.groupIndex, ", binding = ").concat(t.binding.bindingIndex, ") uniform ").concat(e, " {\n    "), n = 0, r = this._webgpuProcessingContext.leftOverUniforms; n < r.length; n++) {
                    var o = r[n];
                    o.length > 0 ? i += "    ".concat(o.type, " ").concat(o.name, "[").concat(o.length, "];\n") : i += "    ".concat(o.type, " ").concat(o.name, ";\n")
                }
                return i + "};\n\n"
            }
            ,
            t.prototype.finalizeShaders = function(e, t) {
                for (var i = 0; i < this._textureArrayProcessing.length; ++i) {
                    var n = this._textureArrayProcessing[i];
                    e = this._applyTextureArrayProcessing(e, n),
                    t = this._applyTextureArrayProcessing(t, n)
                }
                for (i = 0; i < this._missingVaryings.length; ++i) {
                    var r = this._missingVaryings[i];
                    r && r.length > 0 && (t = r + "\n" + t)
                }
                var o = this._buildLeftOverUBO();
                return e = o + e,
                t = o + t,
                this._collectBindingNames(),
                this._preCreateBindGroupEntries(),
                this._preProcessors = null,
                {
                    vertexCode: e,
                    fragmentCode: t
                }
            }
            ,
            t
        }(Qu);
        Pt.IncludesShadersStoreWGSL.bonesDeclaration = "#if NUM_BONE_INFLUENCERS>0\nattribute matricesIndices : vec4<f32>;\nattribute matricesWeights : vec4<f32>;\n#if NUM_BONE_INFLUENCERS>4\nattribute matricesIndicesExtra : vec4<f32>;\nattribute matricesWeightsExtra : vec4<f32>;\n#endif\n#ifndef BAKED_VERTEX_ANIMATION_TEXTURE\n#ifdef BONETEXTURE\nvar boneSampler : texture_2d<f32>;\nuniform boneTextureWidth : f32;\n#else\nuniform mBones : array<mat4x4,BonesPerMesh>;\n#ifdef BONES_VELOCITY_ENABLED\nuniform mPreviousBones : array<mat4x4,BonesPerMesh>;\n#endif\n#endif\n#ifdef BONETEXTURE\nfn readMatrixFromRawSampler(smp : texture_2d<f32>,index : f32)->mat4x4<f32>\n{\nlet offset=i32(index) *4; \nlet m0=textureLoad(smp,vec2<i32>(offset+0,0),0);\nlet m1=textureLoad(smp,vec2<i32>(offset+1,0),0);\nlet m2=textureLoad(smp,vec2<i32>(offset+2,0),0);\nlet m3=textureLoad(smp,vec2<i32>(offset+3,0),0);\nreturn mat4x4<f32>(m0,m1,m2,m3);\n}\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.bonesVertex = "#ifndef BAKED_VERTEX_ANIMATION_TEXTURE\n#if NUM_BONE_INFLUENCERS>0\nvar influence : mat4x4<f32>;\n#ifdef BONETEXTURE\ninfluence=readMatrixFromRawSampler(boneSampler,matricesIndices[0])*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndices[1])*matricesWeights[1];\n#endif \n#if NUM_BONE_INFLUENCERS>2\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndices[2])*matricesWeights[2];\n#endif \n#if NUM_BONE_INFLUENCERS>3\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndices[3])*matricesWeights[3];\n#endif \n#if NUM_BONE_INFLUENCERS>4\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[0])*matricesWeightsExtra[0];\n#endif \n#if NUM_BONE_INFLUENCERS>5\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[1])*matricesWeightsExtra[1];\n#endif \n#if NUM_BONE_INFLUENCERS>6\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[2])*matricesWeightsExtra[2];\n#endif \n#if NUM_BONE_INFLUENCERS>7\ninfluence=influence+readMatrixFromRawSampler(boneSampler,matricesIndicesExtra[3])*matricesWeightsExtra[3];\n#endif \n#else \ninfluence=uniforms.mBones[int(matricesIndices[0])]*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\ninfluence=influence+uniforms.mBones[int(matricesIndices[1])]*matricesWeights[1];\n#endif \n#if NUM_BONE_INFLUENCERS>2\ninfluence=influence+uniforms.mBones[int(matricesIndices[2])]*matricesWeights[2];\n#endif \n#if NUM_BONE_INFLUENCERS>3\ninfluence=influence+uniforms.mBones[int(matricesIndices[3])]*matricesWeights[3];\n#endif \n#if NUM_BONE_INFLUENCERS>4\ninfluence=influence+uniforms.mBones[int(matricesIndicesExtra[0])]*matricesWeightsExtra[0];\n#endif \n#if NUM_BONE_INFLUENCERS>5\ninfluence=influence+uniforms.mBones[int(matricesIndicesExtra[1])]*matricesWeightsExtra[1];\n#endif \n#if NUM_BONE_INFLUENCERS>6\ninfluence=influence+uniforms.mBones[int(matricesIndicesExtra[2])]*matricesWeightsExtra[2];\n#endif \n#if NUM_BONE_INFLUENCERS>7\ninfluence=influence+uniforms.mBones[int(matricesIndicesExtra[3])]*matricesWeightsExtra[3];\n#endif \n#endif\nfinalWorld=finalWorld*influence;\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.bakedVertexAnimationDeclaration = "#ifdef BAKED_VERTEX_ANIMATION_TEXTURE\nuniform bakedVertexAnimationTime: f32;\nuniform bakedVertexAnimationTextureSizeInverted: vec2<f32>;\nuniform bakedVertexAnimationSettings: vec4<f32>;\nvar bakedVertexAnimationTexture : texture_2d<f32>;\n#ifdef INSTANCES\nattribute bakedVertexAnimationSettingsInstanced : vec4<f32>;\n#endif\nfn readMatrixFromRawSamplerVAT(smp : texture_2d<f32>,index : f32,frame : f32)->mat4x4<f32>\n{\nlet offset=i32(index)*4;\nlet frameUV=i32(frame);\nlet m0=textureLoad(smp,vec2<i32>(offset+0,frameUV),0);\nlet m1=textureLoad(smp,vec2<i32>(offset+1,frameUV),0);\nlet m2=textureLoad(smp,vec2<i32>(offset+2,frameUV),0);\nlet m3=textureLoad(smp,vec2<i32>(offset+3,frameUV),0);\nreturn mat4x4<f32>(m0,m1,m2,m3);\n}\n#endif\n";
        Pt.IncludesShadersStoreWGSL.bakedVertexAnimation = "#ifdef BAKED_VERTEX_ANIMATION_TEXTURE\n{\n#ifdef INSTANCES\nlet VATStartFrame: f32=bakedVertexAnimationSettingsInstanced.x;\nlet VATEndFrame: f32=bakedVertexAnimationSettingsInstanced.y;\nlet VATOffsetFrame: f32=bakedVertexAnimationSettingsInstanced.z;\nlet VATSpeed: f32=bakedVertexAnimationSettingsInstanced.w;\n#else\nlet VATStartFrame: f32=uniforms.bakedVertexAnimationSettings.x;\nlet VATEndFrame: f32=uniforms.bakedVertexAnimationSettings.y;\nlet VATOffsetFrame: f32=uniforms.bakedVertexAnimationSettings.z;\nlet VATSpeed: f32=uniforms.bakedVertexAnimationSettings.w;\n#endif\nlet totalFrames: f32=VATEndFrame-VATStartFrame+1.0;\nlet time: f32=uniforms.bakedVertexAnimationTime*VATSpeed/totalFrames;\nlet frameCorrection: f32=select(1.0,0.0,time<1.0);\nlet numOfFrames: f32=totalFrames-frameCorrection;\nvar VATFrameNum: f32=fract(time)*numOfFrames;\nVATFrameNum=(VATFrameNum+VATOffsetFrame) % numOfFrames;\nVATFrameNum=floor(VATFrameNum);\nVATFrameNum=VATFrameNum+VATStartFrame+frameCorrection;\nvar VATInfluence : mat4x4<f32>;\nVATInfluence=readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[0],VATFrameNum)*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[1],VATFrameNum)*matricesWeights[1];\n#endif\n#if NUM_BONE_INFLUENCERS>2\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[2],VATFrameNum)*matricesWeights[2];\n#endif\n#if NUM_BONE_INFLUENCERS>3\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndices[3],VATFrameNum)*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[0],VATFrameNum)*matricesWeightsExtra[0];\n#endif\n#if NUM_BONE_INFLUENCERS>5\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[1],VATFrameNum)*matricesWeightsExtra[1];\n#endif\n#if NUM_BONE_INFLUENCERS>6\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[2],VATFrameNum)*matricesWeightsExtra[2];\n#endif\n#if NUM_BONE_INFLUENCERS>7\nVATInfluence=VATInfluence+readMatrixFromRawSamplerVAT(bakedVertexAnimationTexture,matricesIndicesExtra[3],VATFrameNum)*matricesWeightsExtra[3];\n#endif\nfinalWorld=finalWorld*VATInfluence;\n}\n#endif\n";
        Pt.IncludesShadersStoreWGSL.clipPlaneFragment = "#if defined(CLIPPLANE) || defined(CLIPPLANE2) || defined(CLIPPLANE3) || defined(CLIPPLANE4) || defined(CLIPPLANE5) || defined(CLIPPLANE6)\nif (false) {}\n#endif\n#ifdef CLIPPLANE\nelseif (fClipDistance>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE2\nelseif (fClipDistance2>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE3\nelseif (fClipDistance3>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE4\nelseif (fClipDistance4>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE5\nelseif (fClipDistance5>0.0)\n{\ndiscard;\n}\n#endif\n#ifdef CLIPPLANE6\nelseif (fClipDistance6>0.0)\n{\ndiscard;\n}\n#endif\n";
        Pt.IncludesShadersStoreWGSL.clipPlaneFragmentDeclaration = "#ifdef CLIPPLANE\nvarying fClipDistance: f32;\n#endif\n#ifdef CLIPPLANE2\nvarying fClipDistance2: f32;\n#endif\n#ifdef CLIPPLANE3\nvarying fClipDistance3: f32;\n#endif\n#ifdef CLIPPLANE4\nvarying fClipDistance4: f32;\n#endif\n#ifdef CLIPPLANE5\nvarying fClipDistance5: f32;\n#endif\n#ifdef CLIPPLANE6\nvarying fClipDistance6: f32;\n#endif\n";
        Pt.IncludesShadersStoreWGSL.clipPlaneVertex = "#ifdef CLIPPLANE\nfClipDistance=dot(worldPos,uniforms.vClipPlane);\n#endif\n#ifdef CLIPPLANE2\nfClipDistance2=dot(worldPos,uniforms.vClipPlane2);\n#endif\n#ifdef CLIPPLANE3\nfClipDistance3=dot(worldPos,uniforms.vClipPlane3);\n#endif\n#ifdef CLIPPLANE4\nfClipDistance4=dot(worldPos,uniforms.vClipPlane4);\n#endif\n#ifdef CLIPPLANE5\nfClipDistance5=dot(worldPos,uniforms.vClipPlane5);\n#endif\n#ifdef CLIPPLANE6\nfClipDistance6=dot(worldPos,uniforms.vClipPlane6);\n#endif\n";
        Pt.IncludesShadersStoreWGSL.clipPlaneVertexDeclaration = "#ifdef CLIPPLANE\nuniform vClipPlane: vec4<f32>;\nvarying fClipDistance: f32;\n#endif\n#ifdef CLIPPLANE2\nuniform vClipPlane2: vec4<f32>;\nvarying fClipDistance2: f32;\n#endif\n#ifdef CLIPPLANE3\nuniform vClipPlane3: vec4<f32>;\nvarying fClipDistance3: f32;\n#endif\n#ifdef CLIPPLANE4\nuniform vClipPlane4: vec4<f32>;\nvarying fClipDistance4: f32;\n#endif\n#ifdef CLIPPLANE5\nuniform vClipPlane5: vec4<f32>;\nvarying fClipDistance5: f32;\n#endif\n#ifdef CLIPPLANE6\nuniform vClipPlane6: vec4<f32>;\nvarying fClipDistance6: f32;\n#endif\n";
        Pt.IncludesShadersStoreWGSL.instancesDeclaration = "#ifdef INSTANCES\nattribute world0 : vec4<f32>;\nattribute world1 : vec4<f32>;\nattribute world2 : vec4<f32>;\nattribute world3 : vec4<f32>;\n#ifdef INSTANCESCOLOR\nattribute instanceColor : vec4<f32>;\n#endif\n#if defined(THIN_INSTANCES) && !defined(WORLD_UBO)\nuniform world : mat4x4<f32>;\n#endif\n#if defined(VELOCITY) || defined(PREPASS_VELOCITY)\nattribute previousWorld0 : vec4<f32>;\nattribute previousWorld1 : vec4<f32>;\nattribute previousWorld2 : vec4<f32>;\nattribute previousWorld3 : vec4<f32>;\n#ifdef THIN_INSTANCES\nuniform previousWorld : mat4x4<f32>;\n#endif\n#endif\n#else\n#if !defined(WORLD_UBO)\nuniform world : mat4x4<f32>;\n#endif\n#if defined(VELOCITY) || defined(PREPASS_VELOCITY)\nuniform previousWorld : mat4x4<f32>;\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.instancesVertex = "#ifdef INSTANCES\nvar finalWorld=mat4x4<f32>(world0,world1,world2,world3);\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nvar finalPreviousWorld=mat4x4<f32>(previousWorld0,previousWorld1,previousWorld2,previousWorld3);\n#endif\n#ifdef THIN_INSTANCES\n#if !defined(WORLD_UBO)\nfinalWorld=uniforms.world*finalWorld;\n#else\nfinalWorld=mesh.world*finalWorld;\n#endif\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nfinalPreviousWorld=previousWorld*finalPreviousWorld;\n#endif\n#endif\n#else\n#if !defined(WORLD_UBO)\nvar finalWorld=uniforms.world;\n#else\nvar finalWorld=mesh.world;\n#endif\n#if defined(PREPASS_VELOCITY) || defined(VELOCITY)\nvar finalPreviousWorld=previousWorld;\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.meshUboDeclaration = "struct Mesh {\nworld : mat4x4<f32>;\nvisibility : f32;\n};\nvar<uniform> mesh : Mesh;\n#define WORLD_UBO\n";
        Pt.IncludesShadersStoreWGSL.morphTargetsVertex = "#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE \nvertexID=f32(gl_VertexID)*uniforms.morphTargetTextureInfo.x;\npositionUpdated=positionUpdated+(readVector3FromRawSampler({X},vertexID)-position)*uniforms.morphTargetInfluences[{X}];\nvertexID=vertexID+1.0;\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated=normalUpdated+(readVector3FromRawSampler({X},vertexID) -normal)*uniforms.morphTargetInfluences[{X}];\nvertexID=vertexID+1.0;\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated=uvUpdated+(readVector3FromRawSampler({X},vertexID).xy-uv)*uniforms.morphTargetInfluences[{X}];\nvertexID=vertexID+1.0;\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz=tangentUpdated.xyz+(readVector3FromRawSampler({X},vertexID) -tangent.xyz)*uniforms.morphTargetInfluences[{X}];\n#endif\n#else\npositionUpdated=positionUpdated+(position{X}-position)*uniforms.morphTargetInfluences[{X}];\n#ifdef MORPHTARGETS_NORMAL\nnormalUpdated+=(normal{X}-normal)*uniforms.morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_TANGENT\ntangentUpdated.xyz=tangentUpdated.xyz+(tangent{X}-tangent.xyz)*uniforms.morphTargetInfluences[{X}];\n#endif\n#ifdef MORPHTARGETS_UV\nuvUpdated=uvUpdated+(uv_{X}-uv)*uniforms.morphTargetInfluences[{X}];\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.morphTargetsVertexDeclaration = "#ifdef MORPHTARGETS\n#ifndef MORPHTARGETS_TEXTURE\nattribute position{X} : vec3<f32>;\n#ifdef MORPHTARGETS_NORMAL\nattribute normal{X} : vec3<f32>;\n#endif\n#ifdef MORPHTARGETS_TANGENT\nattribute tangent{X} : vec3<f32>;\n#endif\n#ifdef MORPHTARGETS_UV\nattribute uv_{X} : vec2<f32>;\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.morphTargetsVertexGlobal = "#ifdef MORPHTARGETS\n#ifdef MORPHTARGETS_TEXTURE\nvar vertexID : f32;\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.morphTargetsVertexGlobalDeclaration = "#ifdef MORPHTARGETS\nuniform morphTargetInfluences : array<f32,NUM_MORPH_INFLUENCERS>;\n#ifdef MORPHTARGETS_TEXTURE \nuniform morphTargetTextureIndices : array<f32,NUM_MORPH_INFLUENCERS>;\nuniform morphTargetTextureInfo : vec3<f32>;\nvar morphTargets : texture_2d_array<f32>;\nvar morphTargetsSampler : sampler;\nfn readVector3FromRawSampler(targetIndex : i32,vertexIndex : f32)->vec3<f32>\n{ \nlet y=floor(vertexIndex/uniforms.morphTargetTextureInfo.y);\nlet x=vertexIndex-y*uniforms.morphTargetTextureInfo.y;\nlet textureUV=vec2<f32>((x+0.5)/uniforms.morphTargetTextureInfo.y,(y+0.5)/uniforms.morphTargetTextureInfo.z);\nreturn textureSampleLevel(morphTargets,morphTargetsSampler,textureUV,i32(uniforms.morphTargetTextureIndices[targetIndex]),0.0).xyz;\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStoreWGSL.sceneUboDeclaration = "struct Scene {\nviewProjection : mat4x4<f32>;\n#ifdef MULTIVIEW\nviewProjectionR : mat4x4<f32>;\n#endif \nview : mat4x4<f32>;\nprojection : mat4x4<f32>;\nvEyePosition : vec4<f32>;\n};\nvar<uniform> scene : Scene;\n";
        var eh, th = "gl_VertexID", ih = "gl_InstanceID", nh = "gl_Position", rh = "gl_FragCoord", oh = "gl_FrontFacing", ah = "gl_FragDepth", sh = "gl_FragColor", lh = {
            texture_1d: vu.E1d,
            texture_2d: vu.E2d,
            texture_2d_array: vu.E2dArray,
            texture_3d: vu.E3d,
            texture_cube: vu.Cube,
            texture_cube_array: vu.CubeArray,
            texture_multisampled_2d: vu.E2d,
            texture_depth_2d: vu.E2d,
            texture_depth_2d_array: vu.E2dArray,
            texture_depth_cube: vu.Cube,
            texture_depth_cube_array: vu.CubeArray,
            texture_depth_multisampled_2d: vu.E2d,
            texture_storage_1d: vu.E1d,
            texture_storage_2d: vu.E2d,
            texture_storage_2d_array: vu.E2dArray,
            texture_storage_3d: vu.E3d,
            texture_external: null
        }, ch = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.shaderLanguage = st.WGSL,
                t.uniformRegexp = /uniform\s+(\w+)\s*:\s*(.+)\s*;/,
                t.textureRegexp = /var\s+(\w+)\s*:\s*((array<\s*)?(texture_\w+)\s*(<\s*(.+)\s*>)?\s*(,\s*\w+\s*>\s*)?);/,
                t.noPrecision = !0,
                t
            }
            return U(t, e),
            t.prototype._getArraySize = function(e, t, i) {
                var n = 0
                  , r = t.lastIndexOf(">");
                if (t.indexOf("array") >= 0 && r > 0) {
                    for (var o = r; o > 0 && " " !== t.charAt(o) && "," !== t.charAt(o); )
                        o--;
                    var a = t.substring(o + 1, r);
                    for (n = +a,
                    isNaN(n) && (n = +i[a.trim()]); o > 0 && (" " === t.charAt(o) || "," === t.charAt(o)); )
                        o--;
                    t = t.substring(t.indexOf("<") + 1, o + 1)
                }
                return [e, t, n]
            }
            ,
            t.prototype.initializeShaders = function(e) {
                this._webgpuProcessingContext = e,
                this._attributesWGSL = [],
                this._attributesDeclWGSL = [],
                this._attributeNamesWGSL = [],
                this._varyingsWGSL = [],
                this._varyingsDeclWGSL = [],
                this._varyingNamesWGSL = []
            }
            ,
            t.prototype.preProcessShaderCode = function(e) {
                return "struct ".concat(Qu.InternalsUBOName, " {\nyFactor__: f32;\ntextureOutputHeight__: f32;\n};\nvar<uniform> ").concat("internals", " : ").concat(Qu.InternalsUBOName, ";\n") + $c(e)
            }
            ,
            t.prototype.varyingProcessor = function(e, t, i) {
                var n = /\s*varying\s+(?:(?:highp)?|(?:lowp)?)\s*(\S+)\s*:\s*(.+)\s*;/gm.exec(e);
                if (null !== n) {
                    var r, o = n[2], a = n[1];
                    t ? void 0 === (r = this._webgpuProcessingContext.availableVaryings[a]) && K.Warn('Invalid fragment shader: The varying named "'.concat(a, '" is not declared in the vertex shader! This declaration will be ignored.')) : (r = this._webgpuProcessingContext.getVaryingNextLocation(o, this._getArraySize(a, o, i)[2]),
                    this._webgpuProcessingContext.availableVaryings[a] = r,
                    this._varyingsWGSL.push("@location(".concat(r, ") ").concat(a, " : ").concat(o, ";")),
                    this._varyingsDeclWGSL.push("var<private> ".concat(a, " : ").concat(o, ";")),
                    this._varyingNamesWGSL.push(a)),
                    e = ""
                }
                return e
            }
            ,
            t.prototype.attributeProcessor = function(e, t) {
                var i = /\s*attribute\s+(\S+)\s*:\s*(.+)\s*;/gm.exec(e);
                if (null !== i) {
                    var n = i[2]
                      , r = i[1]
                      , o = this._webgpuProcessingContext.getAttributeNextLocation(n, this._getArraySize(r, n, t)[2]);
                    this._webgpuProcessingContext.availableAttributes[r] = o,
                    this._webgpuProcessingContext.orderedAttributes[o] = r,
                    this._attributesWGSL.push("@location(".concat(o, ") ").concat(r, " : ").concat(n, ";")),
                    this._attributesDeclWGSL.push("var<private> ".concat(r, " : ").concat(n, ";")),
                    this._attributeNamesWGSL.push(r),
                    e = ""
                }
                return e
            }
            ,
            t.prototype.uniformProcessor = function(e, t, i) {
                var n = this.uniformRegexp.exec(e);
                if (null !== n) {
                    var r = n[2]
                      , o = n[1];
                    this._addUniformToLeftOverUBO(o, r, i),
                    e = ""
                }
                return e
            }
            ,
            t.prototype.textureProcessor = function(e, t, i) {
                var n = this.textureRegexp.exec(e);
                if (null !== n) {
                    var r = n[1]
                      , o = n[2]
                      , a = !!n[3]
                      , s = n[4]
                      , l = s.indexOf("storage") > 0
                      , c = n[6]
                      , u = l ? c.substring(0, c.indexOf(",")).trim() : null
                      , h = a ? this._getArraySize(r, o, i)[2] : 0
                      , d = this._webgpuProcessingContext.availableTextures[r];
                    if (d)
                        h = d.textures.length;
                    else {
                        d = {
                            isTextureArray: h > 0,
                            isStorageTexture: l,
                            textures: [],
                            sampleType: Cu.Float
                        },
                        h = h || 1;
                        for (var p = 0; p < h; ++p)
                            d.textures.push(this._webgpuProcessingContext.getNextFreeUBOBinding())
                    }
                    this._webgpuProcessingContext.availableTextures[r] = d;
                    var f = s.indexOf("depth") > 0
                      , _ = lh[s]
                      , m = f ? Cu.Depth : "u32" === c ? Cu.Uint : "i32" === c ? Cu.Sint : Cu.Float;
                    if (d.sampleType = m,
                    void 0 === _)
                        throw "Can't get the texture dimension corresponding to the texture function \"".concat(s, '"!');
                    for (p = 0; p < h; ++p) {
                        var g = d.textures[p]
                          , v = g.groupIndex
                          , y = g.bindingIndex;
                        0 === p && (e = "@group(".concat(v, ") @binding(").concat(y, ") ").concat(e)),
                        this._addTextureBindingDescription(r, d, p, _, u, !t)
                    }
                }
                return e
            }
            ,
            t.prototype.postProcessor = function(e) {
                return e
            }
            ,
            t.prototype.finalizeShaders = function(e, t) {
                var i = t.indexOf("gl_FragCoord") >= 0 ? "\n            if (internals.yFactor__ == 1.) {\n                gl_FragCoord.y = internals.textureOutputHeight__ - gl_FragCoord.y;\n            }\n        " : "";
                e = this._processSamplers(e, !0),
                t = this._processSamplers(t, !1),
                e = this._processCustomBuffers(e, !0),
                t = this._processCustomBuffers(t, !1);
                var n = this._buildLeftOverUBO();
                t = n + t,
                e = (e = n + e).replace(/#define /g, "//#define ");
                var r = this._varyingsDeclWGSL.join("\n") + "\n"
                  , o = "var<private> ".concat(th, " : u32;\nvar<private> ").concat(ih, " : u32;\nvar<private> ").concat(nh, " : vec4<f32>;\n")
                  , a = this._attributesDeclWGSL.join("\n") + "\n"
                  , s = "struct VertexInputs {\n  @builtin(vertex_index) vertexIndex : u32;\n  @builtin(instance_index) instanceIndex : u32;\n";
                this._attributesWGSL.length > 0 && (s += this._attributesWGSL.join("\n")),
                s += "\n};\n";
                var l = "struct FragmentInputs {\n  @builtin(position) position : vec4<f32>;\n";
                this._varyingsWGSL.length > 0 && (l += this._varyingsWGSL.join("\n")),
                e = o + s + a + (l += "\n};\n") + r + e;
                for (var c = "  var output : FragmentInputs;\n  ".concat(th, " = input.vertexIndex;\n  ").concat(ih, " = input.instanceIndex;\n"), u = 0; u < this._attributeNamesWGSL.length; ++u) {
                    var h = this._attributeNamesWGSL[u];
                    c += "  ".concat(h, " = input.").concat(h, ";\n")
                }
                var d = "  output.position = ".concat(nh, ";\n  output.position.y = output.position.y * internals.yFactor__;\n");
                for (u = 0; u < this._varyingNamesWGSL.length; ++u) {
                    var p = this._varyingNamesWGSL[u];
                    d += "  output.".concat(p, " = ").concat(p, ";\n")
                }
                d += "  return output;",
                e = this._injectStartingAndEndingCode(e, "fn main", c, d),
                t = (t = t.replace(/#define /g, "//#define ")).replace(/dpdy/g, "(-internals.yFactor__)*dpdy");
                var f = "var<private> ".concat(rh, " : vec4<f32>;\nvar<private> ").concat(oh, " : bool;\nvar<private> ").concat(sh, " : vec4<f32>;\nvar<private> ").concat(ah, " : f32;\n")
                  , _ = "struct FragmentInputs {\n  @builtin(position) position : vec4<f32>;\n  @builtin(front_facing) frontFacing : bool;\n";
                this._varyingsWGSL.length > 0 && (_ += this._varyingsWGSL.join("\n")),
                _ += "\n};\n";
                for (var m = "struct FragmentOutputs {\n  @location(0) color : vec4<f32>;\n", g = !1, v = 0; !(g || (v = t.indexOf(ah, v)) < 0); ) {
                    var y = v;
                    for (g = !0; v > 1 && "\n" !== t.charAt(v); ) {
                        if ("/" === t.charAt(v) && "/" === t.charAt(v - 1)) {
                            g = !1;
                            break
                        }
                        v--
                    }
                    v = y + ah.length
                }
                g && (m += "  @builtin(frag_depth) fragDepth: f32;\n"),
                t = f + _ + r + (m += "};\n") + t;
                var b = "  var output : FragmentOutputs;\n  ".concat(rh, " = input.position;\n  ").concat(oh, " = input.frontFacing;\n") + i;
                for (u = 0; u < this._varyingNamesWGSL.length; ++u) {
                    var T = this._varyingNamesWGSL[u];
                    b += "  ".concat(T, " = input.").concat(T, ";\n")
                }
                var E = "  output.color = ".concat(sh, ";\n");
                return g && (E += "  output.fragDepth = ".concat(ah, ";\n")),
                E += "  return output;",
                t = this._injectStartingAndEndingCode(t, "fn main", b, E),
                this._collectBindingNames(),
                this._preCreateBindGroupEntries(),
                {
                    vertexCode: e,
                    fragmentCode: t
                }
            }
            ,
            t.prototype._generateLeftOverUBOCode = function(e, t) {
                for (var i = "struct ".concat(e, " {\n"), n = 0, r = this._webgpuProcessingContext.leftOverUniforms; n < r.length; n++) {
                    var o = r[n]
                      , a = o.type.replace(/^(.*?)(<.*>)?$/, "$1")
                      , s = Qu.UniformSizes[a];
                    o.length > 0 ? i += s <= 2 ? " @align(16) ".concat(o.name, " : @stride(16) array<").concat(o.type, ", ").concat(o.length, ">;\n") : " ".concat(o.name, " : array<").concat(o.type, ", ").concat(o.length, ">;\n") : i += "  ".concat(o.name, " : ").concat(o.type, ";\n")
                }
                return (i += "};\n") + "@group(".concat(t.binding.groupIndex, ") @binding(").concat(t.binding.bindingIndex, ") var<uniform> ").concat("uniforms", " : ").concat(e, ";\n")
            }
            ,
            t.prototype._processSamplers = function(e, t) {
                for (var i = /var\s+(\w+Sampler)\s*:\s*(sampler|sampler_comparison)\s*;/gm; ; ) {
                    var n = i.exec(e);
                    if (null === n)
                        break;
                    var r = n[1]
                      , o = n[2]
                      , a = r.indexOf(Qu.AutoSamplerSuffix) === r.length - Qu.AutoSamplerSuffix.length ? r.substring(0, r.indexOf(Qu.AutoSamplerSuffix)) : null
                      , s = "sampler_comparison" === o ? Ru.Comparison : Ru.Filtering;
                    if (a) {
                        var l = this._webgpuProcessingContext.availableTextures[a];
                        l && (l.autoBindSampler = !0)
                    }
                    var c = this._webgpuProcessingContext.availableSamplers[r];
                    c || (c = {
                        binding: this._webgpuProcessingContext.getNextFreeUBOBinding(),
                        type: s
                    },
                    this._webgpuProcessingContext.availableSamplers[r] = c),
                    this._addSamplerBindingDescription(r, c, t);
                    var u = e.substring(0, n.index)
                      , h = "@group(".concat(c.binding.groupIndex, ") @binding(").concat(c.binding.bindingIndex, ") ")
                      , d = e.substring(n.index);
                    e = u + h + d,
                    i.lastIndex += h.length
                }
                return e
            }
            ,
            t.prototype._processCustomBuffers = function(e, t) {
                for (var i = /var<\s*(uniform|storage)\s*(,\s*(read|read_write)\s*)?>\s+(\S+)\s*:\s*(\S+)\s*;/gm; ; ) {
                    var n = i.exec(e);
                    if (null === n)
                        break;
                    var r = n[1]
                      , o = n[3]
                      , a = n[4]
                      , s = n[5]
                      , l = this._webgpuProcessingContext.availableBuffers[a];
                    if (!l) {
                        var c = "uniform" === r ? Ju.KnownUBOs[s] : null
                          , u = void 0;
                        c ? (a = s,
                        -1 === (u = c.binding).groupIndex && (u = this._webgpuProcessingContext.getNextFreeUBOBinding())) : u = this._webgpuProcessingContext.getNextFreeUBOBinding(),
                        l = {
                            binding: u
                        },
                        this._webgpuProcessingContext.availableBuffers[a] = l
                    }
                    this._addBufferBindingDescription(a, this._webgpuProcessingContext.availableBuffers[a], "read_write" === o ? xu.Storage : "storage" === r ? xu.ReadOnlyStorage : xu.Uniform, t);
                    var h = l.binding.groupIndex
                      , d = l.binding.bindingIndex
                      , p = e.substring(0, n.index)
                      , f = "@group(".concat(h, ") @binding(").concat(d, ") ")
                      , _ = e.substring(n.index);
                    e = p + f + _,
                    i.lastIndex += f.length
                }
                return e
            }
            ,
            t
        }(Qu), uh = function() {
            function e(e) {
                void 0 === e && (e = null),
                this.format = bu.RGBA8Unorm,
                this.textureUsages = 0,
                this.textureAdditionalUsages = 0,
                this._webgpuTexture = e,
                this._webgpuMSAATexture = null,
                this.view = null,
                this.viewForWriting = null
            }
            return Object.defineProperty(e.prototype, "underlyingResource", {
                get: function() {
                    return this._webgpuTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "msaaTexture", {
                get: function() {
                    return this._webgpuMSAATexture
                },
                set: function(e) {
                    this._webgpuMSAATexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.set = function(e) {
                this._webgpuTexture = e
            }
            ,
            e.prototype.setUsage = function(e, t, i, n, r) {
                t = e !== At.RenderTarget && t,
                this.createView({
                    format: this.format,
                    dimension: i ? vu.Cube : vu.E2d,
                    mipLevelCount: t ? d.ILog2(Math.max(n, r)) + 1 : 1,
                    baseArrayLayer: 0,
                    baseMipLevel: 0,
                    arrayLayerCount: i ? 6 : 1,
                    aspect: yu.All
                })
            }
            ,
            e.prototype.createView = function(e, t) {
                if (void 0 === t && (t = !1),
                this.view = this._webgpuTexture.createView(e),
                t && e) {
                    var i = e.mipLevelCount;
                    e.mipLevelCount = 1,
                    this.viewForWriting = this._webgpuTexture.createView(e),
                    e.mipLevelCount = i
                }
            }
            ,
            e.prototype.reset = function() {
                this._webgpuTexture = null,
                this._webgpuMSAATexture = null,
                this.view = null,
                this.viewForWriting = null
            }
            ,
            e.prototype.release = function() {
                var e, t, i;
                null === (e = this._webgpuTexture) || void 0 === e || e.destroy(),
                null === (t = this._webgpuMSAATexture) || void 0 === t || t.destroy(),
                null === (i = this._copyInvertYTempTexture) || void 0 === i || i.destroy(),
                this.reset()
            }
            ,
            e
        }();
        !function(e) {
            e[e.MipMap = 0] = "MipMap",
            e[e.InvertYPremultiplyAlpha = 1] = "InvertYPremultiplyAlpha",
            e[e.Clear = 2] = "Clear",
            e[e.InvertYPremultiplyAlphaWithOfst = 3] = "InvertYPremultiplyAlphaWithOfst"
        }(eh || (eh = {}));
        var hh, dh = [{
            vertex: "\n    const vec2 pos[4] = vec2[4](vec2(-1.0f, 1.0f), vec2(1.0f, 1.0f), vec2(-1.0f, -1.0f), vec2(1.0f, -1.0f));\n    const vec2 tex[4] = vec2[4](vec2(0.0f, 0.0f), vec2(1.0f, 0.0f), vec2(0.0f, 1.0f), vec2(1.0f, 1.0f));\n\n    layout(location = 0) out vec2 vTex;\n\n    void main() {\n        vTex = tex[gl_VertexIndex];\n        gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);\n    }\n    ",
            fragment: "\n    layout(set = 0, binding = 0) uniform sampler imgSampler;\n    layout(set = 0, binding = 1) uniform texture2D img;\n\n    layout(location = 0) in vec2 vTex;\n    layout(location = 0) out vec4 outColor;\n\n    void main() {\n        outColor = texture(sampler2D(img, imgSampler), vTex);\n    }\n    "
        }, {
            vertex: "\n    #extension GL_EXT_samplerless_texture_functions : enable\n\n    const vec2 pos[4] = vec2[4](vec2(-1.0f, 1.0f), vec2(1.0f, 1.0f), vec2(-1.0f, -1.0f), vec2(1.0f, -1.0f));\n    const vec2 tex[4] = vec2[4](vec2(0.0f, 0.0f), vec2(1.0f, 0.0f), vec2(0.0f, 1.0f), vec2(1.0f, 1.0f));\n\n    layout(set = 0, binding = 0) uniform texture2D img;\n\n    #ifdef INVERTY\n        layout(location = 0) out flat ivec2 vTextureSize;\n    #endif\n\n    void main() {\n        #ifdef INVERTY\n            vTextureSize = textureSize(img, 0);\n        #endif\n        gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);\n    }\n    ",
            fragment: "\n    #extension GL_EXT_samplerless_texture_functions : enable\n\n    layout(set = 0, binding = 0) uniform texture2D img;\n\n    #ifdef INVERTY\n        layout(location = 0) in flat ivec2 vTextureSize;\n    #endif\n    layout(location = 0) out vec4 outColor;\n\n    void main() {\n    #ifdef INVERTY\n        vec4 color = texelFetch(img, ivec2(gl_FragCoord.x, vTextureSize.y - gl_FragCoord.y), 0);\n    #else\n        vec4 color = texelFetch(img, ivec2(gl_FragCoord.xy), 0);\n    #endif\n    #ifdef PREMULTIPLYALPHA\n        color.rgb *= color.a;\n    #endif\n        outColor = color;\n    }\n    "
        }, {
            vertex: "\n    const vec2 pos[4] = vec2[4](vec2(-1.0f, 1.0f), vec2(1.0f, 1.0f), vec2(-1.0f, -1.0f), vec2(1.0f, -1.0f));\n\n    void main() {\n        gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);\n    }\n    ",
            fragment: "\n    layout(set = 0, binding = 0) uniform Uniforms {\n        uniform vec4 color;\n    };\n\n    layout(location = 0) out vec4 outColor;\n\n    void main() {\n        outColor = color;\n    }\n    "
        }, {
            vertex: "\n    #extension GL_EXT_samplerless_texture_functions : enable\n\n    const vec2 pos[4] = vec2[4](vec2(-1.0f, 1.0f), vec2(1.0f, 1.0f), vec2(-1.0f, -1.0f), vec2(1.0f, -1.0f));\n    const vec2 tex[4] = vec2[4](vec2(0.0f, 0.0f), vec2(1.0f, 0.0f), vec2(0.0f, 1.0f), vec2(1.0f, 1.0f));\n\n    layout(set = 0, binding = 0) uniform texture2D img;\n\n    #ifdef INVERTY\n        layout(location = 0) out flat ivec2 vTextureSize;\n    #endif\n\n    void main() {\n        #ifdef INVERTY\n            vTextureSize = textureSize(img, 0);\n        #endif\n        gl_Position = vec4(pos[gl_VertexIndex], 0.0, 1.0);\n    }\n    ",
            fragment: "\n    #extension GL_EXT_samplerless_texture_functions : enable\n\n    layout(set = 0, binding = 0) uniform texture2D img;\n    layout(set = 0, binding = 1) uniform Params {\n        float ofstX;\n        float ofstY;\n        float width;\n        float height;\n    };\n\n    #ifdef INVERTY\n        layout(location = 0) in flat ivec2 vTextureSize;\n    #endif\n    layout(location = 0) out vec4 outColor;\n\n    void main() {\n        if (gl_FragCoord.x < ofstX || gl_FragCoord.x >= ofstX + width) {\n            discard;\n        }\n        if (gl_FragCoord.y < ofstY || gl_FragCoord.y >= ofstY + height) {\n            discard;\n        }\n    #ifdef INVERTY\n        vec4 color = texelFetch(img, ivec2(gl_FragCoord.x, ofstY + height - (gl_FragCoord.y - ofstY)), 0);\n    #else\n        vec4 color = texelFetch(img, ivec2(gl_FragCoord.xy), 0);\n    #endif\n    #ifdef PREMULTIPLYALPHA\n        color.rgb *= color.a;\n    #endif\n        outColor = color;\n    }\n    "
        }], ph = {
            "": 0,
            r8unorm: 1,
            r8uint: 2,
            r8sint: 3,
            r16uint: 4,
            r16sint: 5,
            r16float: 6,
            rg8unorm: 7,
            rg8uint: 8,
            rg8sint: 9,
            r32uint: 10,
            r32sint: 11,
            r32float: 12,
            rg16uint: 13,
            rg16sint: 14,
            rg16float: 15,
            rgba8unorm: 16,
            "rgba8unorm-srgb": 17,
            rgba8uint: 18,
            rgba8sint: 19,
            bgra8unorm: 20,
            "bgra8unorm-srgb": 21,
            rgb10a2unorm: 22,
            rg32uint: 23,
            rg32sint: 24,
            rg32float: 25,
            rgba16uint: 26,
            rgba16sint: 27,
            rgba16float: 28,
            rgba32uint: 29,
            rgba32sint: 30,
            rgba32float: 31,
            stencil8: 32,
            depth16unorm: 33,
            depth24plus: 34,
            "depth24plus-stencil8": 35,
            depth32float: 36,
            "depth24unorm-stencil8": 37,
            "depth32float-stencil8": 38
        }, fh = function() {
            function e(e, t, i, n) {
                this._pipelines = {},
                this._compiledShaders = [],
                this._deferredReleaseTextures = [],
                this._device = e,
                this._glslang = t,
                this._tintWASM = i,
                this._bufferManager = n,
                this._mipmapSampler = e.createSampler({
                    minFilter: Eu.Linear
                }),
                this._ubCopyWithOfst = this._bufferManager.createBuffer(16, fu.Uniform | fu.CopyDst).underlyingResource,
                this._getPipeline(bu.RGBA8Unorm)
            }
            return e.ComputeNumMipmapLevels = function(e, t) {
                return d.ILog2(Math.max(e, t)) + 1
            }
            ,
            e.prototype._getPipeline = function(e, t, i) {
                void 0 === t && (t = eh.MipMap);
                var n = t === eh.MipMap ? 1 : t === eh.InvertYPremultiplyAlpha ? ((i.invertY ? 1 : 0) << 1) + ((i.premultiplyAlpha ? 1 : 0) << 2) : t === eh.Clear ? 8 : t === eh.InvertYPremultiplyAlphaWithOfst ? ((i.invertY ? 1 : 0) << 4) + ((i.premultiplyAlpha ? 1 : 0) << 5) : 0;
                this._pipelines[e] || (this._pipelines[e] = []);
                var r = this._pipelines[e][n];
                if (!r) {
                    var o = "#version 450\r\n";
                    t !== eh.InvertYPremultiplyAlpha && t !== eh.InvertYPremultiplyAlphaWithOfst || (i.invertY && (o += "#define INVERTY\r\n"),
                    i.premultiplyAlpha && (o += "#define PREMULTIPLYALPHA\r\n"));
                    var a = this._compiledShaders[n];
                    if (!a) {
                        var s = this._glslang.compileGLSL(o + dh[t].vertex, "vertex")
                          , l = this._glslang.compileGLSL(o + dh[t].fragment, "fragment");
                        this._tintWASM && (s = this._tintWASM.convertSpirV2WGSL(s),
                        l = this._tintWASM.convertSpirV2WGSL(l));
                        var c = this._device.createShaderModule({
                            code: s
                        })
                          , u = this._device.createShaderModule({
                            code: l
                        });
                        a = this._compiledShaders[n] = [c, u]
                    }
                    var h = this._device.createRenderPipeline({
                        vertex: {
                            module: a[0],
                            entryPoint: "main"
                        },
                        fragment: {
                            module: a[1],
                            entryPoint: "main",
                            targets: [{
                                format: e
                            }]
                        },
                        primitive: {
                            topology: Iu.TriangleStrip,
                            stripIndexFormat: Bu.Uint16
                        }
                    });
                    r = this._pipelines[e][n] = [h, h.getBindGroupLayout(0)]
                }
                return r
            }
            ,
            e._GetTextureTypeFromFormat = function(e) {
                switch (e) {
                case bu.R8Unorm:
                case bu.R8Snorm:
                case bu.R8Uint:
                case bu.R8Sint:
                case bu.RG8Unorm:
                case bu.RG8Snorm:
                case bu.RG8Uint:
                case bu.RG8Sint:
                case bu.RGBA8Unorm:
                case bu.RGBA8UnormSRGB:
                case bu.RGBA8Snorm:
                case bu.RGBA8Uint:
                case bu.RGBA8Sint:
                case bu.BGRA8Unorm:
                case bu.BGRA8UnormSRGB:
                case bu.RGB10A2Unorm:
                case bu.RGB9E5UFloat:
                case bu.RG11B10UFloat:
                case bu.Depth24UnormStencil8:
                case bu.Depth32FloatStencil8:
                case bu.BC7RGBAUnorm:
                case bu.BC7RGBAUnormSRGB:
                case bu.BC6HRGBUFloat:
                case bu.BC6HRGBFloat:
                case bu.BC5RGUnorm:
                case bu.BC5RGSnorm:
                case bu.BC3RGBAUnorm:
                case bu.BC3RGBAUnormSRGB:
                case bu.BC2RGBAUnorm:
                case bu.BC2RGBAUnormSRGB:
                case bu.BC4RUnorm:
                case bu.BC4RSnorm:
                case bu.BC1RGBAUnorm:
                case bu.BC1RGBAUnormSRGB:
                case bu.ETC2RGB8Unorm:
                case bu.ETC2RGB8UnormSRGB:
                case bu.ETC2RGB8A1Unorm:
                case bu.ETC2RGB8A1UnormSRGB:
                case bu.ETC2RGBA8Unorm:
                case bu.ETC2RGBA8UnormSRGB:
                case bu.EACR11Unorm:
                case bu.EACR11Snorm:
                case bu.EACRG11Unorm:
                case bu.EACRG11Snorm:
                case bu.ASTC4x4Unorm:
                case bu.ASTC4x4UnormSRGB:
                case bu.ASTC5x4Unorm:
                case bu.ASTC5x4UnormSRGB:
                case bu.ASTC5x5Unorm:
                case bu.ASTC5x5UnormSRGB:
                case bu.ASTC6x5Unorm:
                case bu.ASTC6x5UnormSRGB:
                case bu.ASTC6x6Unorm:
                case bu.ASTC6x6UnormSRGB:
                case bu.ASTC8x5Unorm:
                case bu.ASTC8x5UnormSRGB:
                case bu.ASTC8x6Unorm:
                case bu.ASTC8x6UnormSRGB:
                case bu.ASTC8x8Unorm:
                case bu.ASTC8x8UnormSRGB:
                case bu.ASTC10x5Unorm:
                case bu.ASTC10x5UnormSRGB:
                case bu.ASTC10x6Unorm:
                case bu.ASTC10x6UnormSRGB:
                case bu.ASTC10x8Unorm:
                case bu.ASTC10x8UnormSRGB:
                case bu.ASTC10x10Unorm:
                case bu.ASTC10x10UnormSRGB:
                case bu.ASTC12x10Unorm:
                case bu.ASTC12x10UnormSRGB:
                case bu.ASTC12x12Unorm:
                case bu.ASTC12x12UnormSRGB:
                    return a.TEXTURETYPE_UNSIGNED_BYTE;
                case bu.R16Uint:
                case bu.R16Sint:
                case bu.RG16Uint:
                case bu.RG16Sint:
                case bu.RGBA16Uint:
                case bu.RGBA16Sint:
                case bu.Depth16Unorm:
                    return a.TEXTURETYPE_UNSIGNED_SHORT;
                case bu.R16Float:
                case bu.RG16Float:
                case bu.RGBA16Float:
                    return a.TEXTURETYPE_HALF_FLOAT;
                case bu.R32Uint:
                case bu.R32Sint:
                case bu.RG32Uint:
                case bu.RG32Sint:
                case bu.RGBA32Uint:
                case bu.RGBA32Sint:
                    return a.TEXTURETYPE_UNSIGNED_INTEGER;
                case bu.R32Float:
                case bu.RG32Float:
                case bu.RGBA32Float:
                case bu.Depth32Float:
                    return a.TEXTURETYPE_FLOAT;
                case bu.Stencil8:
                    throw "No fixed size for Stencil8 format!";
                case bu.Depth24Plus:
                    throw "No fixed size for Depth24Plus format!";
                case bu.Depth24PlusStencil8:
                    throw "No fixed size for Depth24PlusStencil8 format!"
                }
                return a.TEXTURETYPE_UNSIGNED_BYTE
            }
            ,
            e._GetBlockInformationFromFormat = function(e) {
                switch (e) {
                case bu.R8Unorm:
                case bu.R8Snorm:
                case bu.R8Uint:
                case bu.R8Sint:
                    return {
                        width: 1,
                        height: 1,
                        length: 1
                    };
                case bu.R16Uint:
                case bu.R16Sint:
                case bu.R16Float:
                case bu.RG8Unorm:
                case bu.RG8Snorm:
                case bu.RG8Uint:
                case bu.RG8Sint:
                    return {
                        width: 1,
                        height: 1,
                        length: 2
                    };
                case bu.R32Uint:
                case bu.R32Sint:
                case bu.R32Float:
                case bu.RG16Uint:
                case bu.RG16Sint:
                case bu.RG16Float:
                case bu.RGBA8Unorm:
                case bu.RGBA8UnormSRGB:
                case bu.RGBA8Snorm:
                case bu.RGBA8Uint:
                case bu.RGBA8Sint:
                case bu.BGRA8Unorm:
                case bu.BGRA8UnormSRGB:
                case bu.RGB9E5UFloat:
                case bu.RGB10A2Unorm:
                case bu.RG11B10UFloat:
                    return {
                        width: 1,
                        height: 1,
                        length: 4
                    };
                case bu.RG32Uint:
                case bu.RG32Sint:
                case bu.RG32Float:
                case bu.RGBA16Uint:
                case bu.RGBA16Sint:
                case bu.RGBA16Float:
                    return {
                        width: 1,
                        height: 1,
                        length: 8
                    };
                case bu.RGBA32Uint:
                case bu.RGBA32Sint:
                case bu.RGBA32Float:
                    return {
                        width: 1,
                        height: 1,
                        length: 16
                    };
                case bu.Stencil8:
                    throw "No fixed size for Stencil8 format!";
                case bu.Depth16Unorm:
                    return {
                        width: 1,
                        height: 1,
                        length: 2
                    };
                case bu.Depth24Plus:
                    throw "No fixed size for Depth24Plus format!";
                case bu.Depth24PlusStencil8:
                    throw "No fixed size for Depth24PlusStencil8 format!";
                case bu.Depth32Float:
                case bu.Depth24UnormStencil8:
                    return {
                        width: 1,
                        height: 1,
                        length: 4
                    };
                case bu.Depth32FloatStencil8:
                    return {
                        width: 1,
                        height: 1,
                        length: 5
                    };
                case bu.BC7RGBAUnorm:
                case bu.BC7RGBAUnormSRGB:
                case bu.BC6HRGBUFloat:
                case bu.BC6HRGBFloat:
                case bu.BC5RGUnorm:
                case bu.BC5RGSnorm:
                case bu.BC3RGBAUnorm:
                case bu.BC3RGBAUnormSRGB:
                case bu.BC2RGBAUnorm:
                case bu.BC2RGBAUnormSRGB:
                    return {
                        width: 4,
                        height: 4,
                        length: 16
                    };
                case bu.BC4RUnorm:
                case bu.BC4RSnorm:
                case bu.BC1RGBAUnorm:
                case bu.BC1RGBAUnormSRGB:
                case bu.ETC2RGB8Unorm:
                case bu.ETC2RGB8UnormSRGB:
                case bu.ETC2RGB8A1Unorm:
                case bu.ETC2RGB8A1UnormSRGB:
                case bu.EACR11Unorm:
                case bu.EACR11Snorm:
                    return {
                        width: 4,
                        height: 4,
                        length: 8
                    };
                case bu.ETC2RGBA8Unorm:
                case bu.ETC2RGBA8UnormSRGB:
                case bu.EACRG11Unorm:
                case bu.EACRG11Snorm:
                case bu.ASTC4x4Unorm:
                case bu.ASTC4x4UnormSRGB:
                    return {
                        width: 4,
                        height: 4,
                        length: 16
                    };
                case bu.ASTC5x4Unorm:
                case bu.ASTC5x4UnormSRGB:
                    return {
                        width: 5,
                        height: 4,
                        length: 16
                    };
                case bu.ASTC5x5Unorm:
                case bu.ASTC5x5UnormSRGB:
                    return {
                        width: 5,
                        height: 5,
                        length: 16
                    };
                case bu.ASTC6x5Unorm:
                case bu.ASTC6x5UnormSRGB:
                    return {
                        width: 6,
                        height: 5,
                        length: 16
                    };
                case bu.ASTC6x6Unorm:
                case bu.ASTC6x6UnormSRGB:
                    return {
                        width: 6,
                        height: 6,
                        length: 16
                    };
                case bu.ASTC8x5Unorm:
                case bu.ASTC8x5UnormSRGB:
                    return {
                        width: 8,
                        height: 5,
                        length: 16
                    };
                case bu.ASTC8x6Unorm:
                case bu.ASTC8x6UnormSRGB:
                    return {
                        width: 8,
                        height: 6,
                        length: 16
                    };
                case bu.ASTC8x8Unorm:
                case bu.ASTC8x8UnormSRGB:
                    return {
                        width: 8,
                        height: 8,
                        length: 16
                    };
                case bu.ASTC10x5Unorm:
                case bu.ASTC10x5UnormSRGB:
                    return {
                        width: 10,
                        height: 5,
                        length: 16
                    };
                case bu.ASTC10x6Unorm:
                case bu.ASTC10x6UnormSRGB:
                    return {
                        width: 10,
                        height: 6,
                        length: 16
                    };
                case bu.ASTC10x8Unorm:
                case bu.ASTC10x8UnormSRGB:
                    return {
                        width: 10,
                        height: 8,
                        length: 16
                    };
                case bu.ASTC10x10Unorm:
                case bu.ASTC10x10UnormSRGB:
                    return {
                        width: 10,
                        height: 10,
                        length: 16
                    };
                case bu.ASTC12x10Unorm:
                case bu.ASTC12x10UnormSRGB:
                    return {
                        width: 12,
                        height: 10,
                        length: 16
                    };
                case bu.ASTC12x12Unorm:
                case bu.ASTC12x12UnormSRGB:
                    return {
                        width: 12,
                        height: 12,
                        length: 16
                    }
                }
                return {
                    width: 1,
                    height: 1,
                    length: 4
                }
            }
            ,
            e._IsHardwareTexture = function(e) {
                return !!e.release
            }
            ,
            e._IsInternalTexture = function(e) {
                return !!e.dispose
            }
            ,
            e.IsImageBitmap = function(e) {
                return void 0 !== e.close
            }
            ,
            e.IsImageBitmapArray = function(e) {
                return Array.isArray(e) && void 0 !== e[0].close
            }
            ,
            e.prototype.setCommandEncoder = function(e) {
                this._commandEncoderForCreation = e
            }
            ,
            e.IsCompressedFormat = function(e) {
                switch (e) {
                case bu.BC7RGBAUnormSRGB:
                case bu.BC7RGBAUnorm:
                case bu.BC6HRGBFloat:
                case bu.BC6HRGBUFloat:
                case bu.BC5RGSnorm:
                case bu.BC5RGUnorm:
                case bu.BC4RSnorm:
                case bu.BC4RUnorm:
                case bu.BC3RGBAUnormSRGB:
                case bu.BC3RGBAUnorm:
                case bu.BC2RGBAUnormSRGB:
                case bu.BC2RGBAUnorm:
                case bu.BC1RGBAUnormSRGB:
                case bu.BC1RGBAUnorm:
                case bu.ETC2RGB8Unorm:
                case bu.ETC2RGB8UnormSRGB:
                case bu.ETC2RGB8A1Unorm:
                case bu.ETC2RGB8A1UnormSRGB:
                case bu.ETC2RGBA8Unorm:
                case bu.ETC2RGBA8UnormSRGB:
                case bu.EACR11Unorm:
                case bu.EACR11Snorm:
                case bu.EACRG11Unorm:
                case bu.EACRG11Snorm:
                case bu.ASTC4x4Unorm:
                case bu.ASTC4x4UnormSRGB:
                case bu.ASTC5x4Unorm:
                case bu.ASTC5x4UnormSRGB:
                case bu.ASTC5x5Unorm:
                case bu.ASTC5x5UnormSRGB:
                case bu.ASTC6x5Unorm:
                case bu.ASTC6x5UnormSRGB:
                case bu.ASTC6x6Unorm:
                case bu.ASTC6x6UnormSRGB:
                case bu.ASTC8x5Unorm:
                case bu.ASTC8x5UnormSRGB:
                case bu.ASTC8x6Unorm:
                case bu.ASTC8x6UnormSRGB:
                case bu.ASTC8x8Unorm:
                case bu.ASTC8x8UnormSRGB:
                case bu.ASTC10x5Unorm:
                case bu.ASTC10x5UnormSRGB:
                case bu.ASTC10x6Unorm:
                case bu.ASTC10x6UnormSRGB:
                case bu.ASTC10x8Unorm:
                case bu.ASTC10x8UnormSRGB:
                case bu.ASTC10x10Unorm:
                case bu.ASTC10x10UnormSRGB:
                case bu.ASTC12x10Unorm:
                case bu.ASTC12x10UnormSRGB:
                case bu.ASTC12x12Unorm:
                case bu.ASTC12x12UnormSRGB:
                    return !0
                }
                return !1
            }
            ,
            e.GetWebGPUTextureFormat = function(e, t, i) {
                switch (void 0 === i && (i = !1),
                t) {
                case a.TEXTUREFORMAT_DEPTH16:
                    return bu.Depth16Unorm;
                case a.TEXTUREFORMAT_DEPTH24:
                    return bu.Depth24Plus;
                case a.TEXTUREFORMAT_DEPTH24_STENCIL8:
                    return bu.Depth24PlusStencil8;
                case a.TEXTUREFORMAT_DEPTH32_FLOAT:
                    return bu.Depth32Float;
                case a.TEXTUREFORMAT_COMPRESSED_RGBA_BPTC_UNORM:
                    return i ? bu.BC7RGBAUnormSRGB : bu.BC7RGBAUnorm;
                case a.TEXTUREFORMAT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
                    return bu.BC6HRGBUFloat;
                case a.TEXTUREFORMAT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
                    return bu.BC6HRGBFloat;
                case a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT5:
                    return i ? bu.BC3RGBAUnormSRGB : bu.BC3RGBAUnorm;
                case a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT3:
                    return i ? bu.BC2RGBAUnormSRGB : bu.BC2RGBAUnorm;
                case a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT1:
                case a.TEXTUREFORMAT_COMPRESSED_RGB_S3TC_DXT1:
                    return i ? bu.BC1RGBAUnormSRGB : bu.BC1RGBAUnorm;
                case a.TEXTUREFORMAT_COMPRESSED_RGBA_ASTC_4x4:
                    return i ? bu.ASTC4x4UnormSRGB : bu.ASTC4x4Unorm;
                case a.TEXTUREFORMAT_COMPRESSED_RGB_ETC1_WEBGL:
                    return i ? bu.ETC2RGB8UnormSRGB : bu.ETC2RGB8Unorm
                }
                switch (e) {
                case a.TEXTURETYPE_BYTE:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return bu.R8Snorm;
                    case a.TEXTUREFORMAT_RG:
                        return bu.RG8Snorm;
                    case a.TEXTUREFORMAT_RGB:
                        throw "RGB format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R8Sint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG8Sint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        return bu.RGBA8Sint;
                    default:
                        return bu.RGBA8Snorm
                    }
                case a.TEXTURETYPE_UNSIGNED_BYTE:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return bu.R8Unorm;
                    case a.TEXTUREFORMAT_RG:
                        return bu.RG8Unorm;
                    case a.TEXTUREFORMAT_RGB:
                        throw "TEXTUREFORMAT_RGB format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA:
                        return i ? bu.RGBA8UnormSRGB : bu.RGBA8Unorm;
                    case a.TEXTUREFORMAT_BGRA:
                        return i ? bu.BGRA8UnormSRGB : bu.BGRA8Unorm;
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R8Uint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG8Uint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        return bu.RGBA8Uint;
                    case a.TEXTUREFORMAT_ALPHA:
                        throw "TEXTUREFORMAT_ALPHA format not supported in WebGPU";
                    case a.TEXTUREFORMAT_LUMINANCE:
                        throw "TEXTUREFORMAT_LUMINANCE format not supported in WebGPU";
                    case a.TEXTUREFORMAT_LUMINANCE_ALPHA:
                        throw "TEXTUREFORMAT_LUMINANCE_ALPHA format not supported in WebGPU";
                    default:
                        return bu.RGBA8Unorm
                    }
                case a.TEXTURETYPE_SHORT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R16Sint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG16Sint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "TEXTUREFORMAT_RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return bu.RGBA16Sint
                    }
                case a.TEXTURETYPE_UNSIGNED_SHORT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R16Uint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG16Uint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "TEXTUREFORMAT_RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return bu.RGBA16Uint
                    }
                case a.TEXTURETYPE_INT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R32Sint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG32Sint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "TEXTUREFORMAT_RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return bu.RGBA32Sint
                    }
                case a.TEXTURETYPE_UNSIGNED_INTEGER:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED_INTEGER:
                        return bu.R32Uint;
                    case a.TEXTUREFORMAT_RG_INTEGER:
                        return bu.RG32Uint;
                    case a.TEXTUREFORMAT_RGB_INTEGER:
                        throw "TEXTUREFORMAT_RGB_INTEGER format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                    default:
                        return bu.RGBA32Uint
                    }
                case a.TEXTURETYPE_FLOAT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return bu.R32Float;
                    case a.TEXTUREFORMAT_RG:
                        return bu.RG32Float;
                    case a.TEXTUREFORMAT_RGB:
                        throw "TEXTUREFORMAT_RGB format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA:
                    default:
                        return bu.RGBA32Float
                    }
                case a.TEXTURETYPE_HALF_FLOAT:
                    switch (t) {
                    case a.TEXTUREFORMAT_RED:
                        return bu.R16Float;
                    case a.TEXTUREFORMAT_RG:
                        return bu.RG16Float;
                    case a.TEXTUREFORMAT_RGB:
                        throw "TEXTUREFORMAT_RGB format not supported in WebGPU";
                    case a.TEXTUREFORMAT_RGBA:
                    default:
                        return bu.RGBA16Float
                    }
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5:
                    throw "TEXTURETYPE_UNSIGNED_SHORT_5_6_5 format not supported in WebGPU";
                case a.TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV:
                    throw "TEXTURETYPE_UNSIGNED_INT_10F_11F_11F_REV format not supported in WebGPU";
                case a.TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV:
                    throw "TEXTURETYPE_UNSIGNED_INT_5_9_9_9_REV format not supported in WebGPU";
                case a.TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4:
                    throw "TEXTURETYPE_UNSIGNED_SHORT_4_4_4_4 format not supported in WebGPU";
                case a.TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1:
                    throw "TEXTURETYPE_UNSIGNED_SHORT_5_5_5_1 format not supported in WebGPU";
                case a.TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV:
                    switch (t) {
                    case a.TEXTUREFORMAT_RGBA:
                        return bu.RGB10A2Unorm;
                    case a.TEXTUREFORMAT_RGBA_INTEGER:
                        throw "TEXTUREFORMAT_RGBA_INTEGER format not supported in WebGPU when type is TEXTURETYPE_UNSIGNED_INT_2_10_10_10_REV";
                    default:
                        return bu.RGB10A2Unorm
                    }
                }
                return i ? bu.RGBA8UnormSRGB : bu.RGBA8Unorm
            }
            ,
            e.GetNumChannelsFromWebGPUTextureFormat = function(e) {
                switch (e) {
                case bu.R8Unorm:
                case bu.R8Snorm:
                case bu.R8Uint:
                case bu.R8Sint:
                case bu.BC4RUnorm:
                case bu.BC4RSnorm:
                case bu.R16Uint:
                case bu.R16Sint:
                case bu.Depth16Unorm:
                case bu.R16Float:
                case bu.R32Uint:
                case bu.R32Sint:
                case bu.R32Float:
                case bu.Depth32Float:
                case bu.Stencil8:
                case bu.Depth24Plus:
                case bu.EACR11Unorm:
                case bu.EACR11Snorm:
                    return 1;
                case bu.RG8Unorm:
                case bu.RG8Snorm:
                case bu.RG8Uint:
                case bu.RG8Sint:
                case bu.Depth24UnormStencil8:
                case bu.Depth32FloatStencil8:
                case bu.BC5RGUnorm:
                case bu.BC5RGSnorm:
                case bu.RG16Uint:
                case bu.RG16Sint:
                case bu.RG16Float:
                case bu.RG32Uint:
                case bu.RG32Sint:
                case bu.RG32Float:
                case bu.Depth24PlusStencil8:
                case bu.EACRG11Unorm:
                case bu.EACRG11Snorm:
                    return 2;
                case bu.RGB9E5UFloat:
                case bu.RG11B10UFloat:
                case bu.BC6HRGBUFloat:
                case bu.BC6HRGBFloat:
                case bu.ETC2RGB8Unorm:
                case bu.ETC2RGB8UnormSRGB:
                    return 3;
                case bu.RGBA8Unorm:
                case bu.RGBA8UnormSRGB:
                case bu.RGBA8Snorm:
                case bu.RGBA8Uint:
                case bu.RGBA8Sint:
                case bu.BGRA8Unorm:
                case bu.BGRA8UnormSRGB:
                case bu.RGB10A2Unorm:
                case bu.BC7RGBAUnorm:
                case bu.BC7RGBAUnormSRGB:
                case bu.BC3RGBAUnorm:
                case bu.BC3RGBAUnormSRGB:
                case bu.BC2RGBAUnorm:
                case bu.BC2RGBAUnormSRGB:
                case bu.BC1RGBAUnorm:
                case bu.BC1RGBAUnormSRGB:
                case bu.RGBA16Uint:
                case bu.RGBA16Sint:
                case bu.RGBA16Float:
                case bu.RGBA32Uint:
                case bu.RGBA32Sint:
                case bu.RGBA32Float:
                case bu.ETC2RGB8A1Unorm:
                case bu.ETC2RGB8A1UnormSRGB:
                case bu.ETC2RGBA8Unorm:
                case bu.ETC2RGBA8UnormSRGB:
                case bu.ASTC4x4Unorm:
                case bu.ASTC4x4UnormSRGB:
                case bu.ASTC5x4Unorm:
                case bu.ASTC5x4UnormSRGB:
                case bu.ASTC5x5Unorm:
                case bu.ASTC5x5UnormSRGB:
                case bu.ASTC6x5Unorm:
                case bu.ASTC6x5UnormSRGB:
                case bu.ASTC6x6Unorm:
                case bu.ASTC6x6UnormSRGB:
                case bu.ASTC8x5Unorm:
                case bu.ASTC8x5UnormSRGB:
                case bu.ASTC8x6Unorm:
                case bu.ASTC8x6UnormSRGB:
                case bu.ASTC8x8Unorm:
                case bu.ASTC8x8UnormSRGB:
                case bu.ASTC10x5Unorm:
                case bu.ASTC10x5UnormSRGB:
                case bu.ASTC10x6Unorm:
                case bu.ASTC10x6UnormSRGB:
                case bu.ASTC10x8Unorm:
                case bu.ASTC10x8UnormSRGB:
                case bu.ASTC10x10Unorm:
                case bu.ASTC10x10UnormSRGB:
                case bu.ASTC12x10Unorm:
                case bu.ASTC12x10UnormSRGB:
                case bu.ASTC12x12Unorm:
                case bu.ASTC12x12UnormSRGB:
                    return 4
                }
                throw "Unknown format ".concat(e, "!")
            }
            ,
            e.HasStencilAspect = function(e) {
                switch (e) {
                case bu.Stencil8:
                case bu.Depth24UnormStencil8:
                case bu.Depth32FloatStencil8:
                case bu.Depth24PlusStencil8:
                    return !0
                }
                return !1
            }
            ,
            e.prototype.invertYPreMultiplyAlpha = function(t, i, n, r, o, a, s, l, c, u, h, d, p, f, _) {
                var m, g, v, y, b, T;
                void 0 === o && (o = !1),
                void 0 === a && (a = !1),
                void 0 === s && (s = 0),
                void 0 === l && (l = 0),
                void 0 === c && (c = 1),
                void 0 === u && (u = 0),
                void 0 === h && (h = 0),
                void 0 === d && (d = 0),
                void 0 === p && (p = 0);
                var E, S = 0 !== d, A = void 0 === f, x = this._getPipeline(r, S ? eh.InvertYPremultiplyAlphaWithOfst : eh.InvertYPremultiplyAlpha, {
                    invertY: o,
                    premultiplyAlpha: a
                }), R = x[0], C = x[1];
                if (s = Math.max(s, 0),
                A && (f = this._device.createCommandEncoder({})),
                null === (g = (m = f).pushDebugGroup) || void 0 === g || g.call(m, "internal process texture - invertY=".concat(o, " premultiplyAlpha=").concat(a)),
                e._IsHardwareTexture(t) ? (E = t.underlyingResource,
                o && !a && 1 === c && 0 === s || (t = void 0)) : (E = t,
                t = void 0),
                E) {
                    S && this._bufferManager.setRawData(this._ubCopyWithOfst, 0, new Float32Array([u, h, d, p]), 0, 16);
                    var P = t
                      , M = null !== (v = null == P ? void 0 : P._copyInvertYTempTexture) && void 0 !== v ? v : this.createTexture({
                        width: i,
                        height: n,
                        layers: 1
                    }, !1, !1, !1, !1, !1, r, 1, f, gu.CopySrc | gu.RenderAttachment | gu.TextureBinding)
                      , I = null !== (y = null == P ? void 0 : P._copyInvertYRenderPassDescr) && void 0 !== y ? y : {
                        colorAttachments: [{
                            view: M.createView({
                                format: r,
                                dimension: vu.E2d,
                                baseMipLevel: 0,
                                mipLevelCount: 1,
                                arrayLayerCount: 1,
                                baseArrayLayer: 0
                            }),
                            loadOp: zu.Load,
                            storeOp: Wu.Store
                        }]
                    }
                      , O = f.beginRenderPass(I)
                      , D = S ? null == P ? void 0 : P._copyInvertYBindGroupWithOfst : null == P ? void 0 : P._copyInvertYBindGroup;
                    if (!D) {
                        var N = {
                            layout: C,
                            entries: [{
                                binding: 0,
                                resource: E.createView({
                                    format: r,
                                    dimension: vu.E2d,
                                    baseMipLevel: l,
                                    mipLevelCount: 1,
                                    arrayLayerCount: c,
                                    baseArrayLayer: s
                                })
                            }]
                        };
                        S && N.entries.push({
                            binding: 1,
                            resource: {
                                buffer: this._ubCopyWithOfst
                            }
                        }),
                        D = this._device.createBindGroup(N)
                    }
                    O.setPipeline(R),
                    O.setBindGroup(0, D),
                    O.draw(4, 1, 0, 0),
                    O.end(),
                    f.copyTextureToTexture({
                        texture: M
                    }, {
                        texture: E,
                        mipLevel: l,
                        origin: {
                            x: 0,
                            y: 0,
                            z: s
                        }
                    }, {
                        width: i,
                        height: n,
                        depthOrArrayLayers: 1
                    }),
                    P ? (P._copyInvertYTempTexture = M,
                    P._copyInvertYRenderPassDescr = I,
                    S ? P._copyInvertYBindGroupWithOfst = D : P._copyInvertYBindGroup = D) : this._deferredReleaseTextures.push([M, null]),
                    null === (T = (b = f).popDebugGroup) || void 0 === T || T.call(b),
                    A && (this._device.queue.submit([f.finish()]),
                    f = null)
                }
            }
            ,
            e.prototype.copyWithInvertY = function(e, t, i, n) {
                var r, o, a, s, l = void 0 === n, c = this._getPipeline(t, eh.InvertYPremultiplyAlpha, {
                    invertY: !0,
                    premultiplyAlpha: !1
                }), u = c[0], h = c[1];
                l && (n = this._device.createCommandEncoder({})),
                null === (o = (r = n).pushDebugGroup) || void 0 === o || o.call(r, "internal copy texture with invertY");
                var d = n.beginRenderPass(i)
                  , p = this._device.createBindGroup({
                    layout: h,
                    entries: [{
                        binding: 0,
                        resource: e
                    }]
                });
                d.setPipeline(u),
                d.setBindGroup(0, p),
                d.draw(4, 1, 0, 0),
                d.end(),
                null === (s = (a = n).popDebugGroup) || void 0 === s || s.call(a),
                l && (this._device.queue.submit([n.finish()]),
                n = null)
            }
            ,
            e.prototype.createTexture = function(t, i, n, r, o, a, s, l, c, u, h) {
                void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                void 0 === r && (r = !1),
                void 0 === o && (o = !1),
                void 0 === a && (a = !1),
                void 0 === s && (s = bu.RGBA8Unorm),
                void 0 === l && (l = 1),
                void 0 === u && (u = -1),
                void 0 === h && (h = 0),
                l > 1 && (l = 4);
                var d = t.layers || 1
                  , p = {
                    width: t.width,
                    height: t.height,
                    depthOrArrayLayers: d
                }
                  , f = e.IsCompressedFormat(s)
                  , _ = i ? e.ComputeNumMipmapLevels(t.width, t.height) : 1
                  , m = u >= 0 ? u : gu.CopySrc | gu.CopyDst | gu.TextureBinding;
                h |= i && !f ? gu.CopySrc | gu.RenderAttachment : 0,
                f || (h |= gu.RenderAttachment | gu.CopyDst);
                var g = this._device.createTexture({
                    size: p,
                    dimension: a ? mu.E3d : mu.E2d,
                    format: s,
                    usage: m | h,
                    sampleCount: l,
                    mipLevelCount: _
                });
                return e.IsImageBitmap(t) && (this.updateTexture(t, g, t.width, t.height, d, s, 0, 0, r, o, 0, 0),
                i && n && this.generateMipmaps(g, s, _, 0, c)),
                g
            }
            ,
            e.prototype.createCubeTexture = function(t, i, n, r, o, a, s, l, c, u) {
                void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                void 0 === r && (r = !1),
                void 0 === o && (o = !1),
                void 0 === a && (a = bu.RGBA8Unorm),
                void 0 === s && (s = 1),
                void 0 === c && (c = -1),
                void 0 === u && (u = 0),
                s > 1 && (s = 4);
                var h = e.IsImageBitmapArray(t) ? t[0].width : t.width
                  , d = e.IsImageBitmapArray(t) ? t[0].height : t.height
                  , p = e.IsCompressedFormat(a)
                  , f = i ? e.ComputeNumMipmapLevels(h, d) : 1
                  , _ = c >= 0 ? c : gu.CopySrc | gu.CopyDst | gu.TextureBinding;
                u |= i && !p ? gu.CopySrc | gu.RenderAttachment : 0,
                p || (u |= gu.RenderAttachment | gu.CopyDst);
                var m = this._device.createTexture({
                    size: {
                        width: h,
                        height: d,
                        depthOrArrayLayers: 6
                    },
                    dimension: mu.E2d,
                    format: a,
                    usage: _ | u,
                    sampleCount: s,
                    mipLevelCount: f
                });
                return e.IsImageBitmapArray(t) && (this.updateCubeTextures(t, m, h, d, a, r, o, 0, 0),
                i && n && this.generateCubeMipmaps(m, a, f, l)),
                m
            }
            ,
            e.prototype.generateCubeMipmaps = function(e, t, i, n) {
                var r, o, a, s, l = void 0 === n;
                l && (n = this._device.createCommandEncoder({})),
                null === (o = (r = n).pushDebugGroup) || void 0 === o || o.call(r, "create cube mipmaps - ".concat(i, " levels"));
                for (var c = 0; c < 6; ++c)
                    this.generateMipmaps(e, t, i, c, n);
                null === (s = (a = n).popDebugGroup) || void 0 === s || s.call(a),
                l && (this._device.queue.submit([n.finish()]),
                n = null)
            }
            ,
            e.prototype.generateMipmaps = function(t, i, n, r, o) {
                var a, s, l, c, u, h, d, p;
                void 0 === r && (r = 0);
                var f, _ = void 0 === o, m = this._getPipeline(i), g = m[0], v = m[1];
                if (r = Math.max(r, 0),
                _ && (o = this._device.createCommandEncoder({})),
                null === (s = (a = o).pushDebugGroup) || void 0 === s || s.call(a, "create mipmaps for face #".concat(r, " - ").concat(n, " levels")),
                e._IsHardwareTexture(t) ? (f = t.underlyingResource,
                t._mipmapGenRenderPassDescr = t._mipmapGenRenderPassDescr || [],
                t._mipmapGenBindGroup = t._mipmapGenBindGroup || []) : (f = t,
                t = void 0),
                f) {
                    for (var y = t, b = 1; b < n; ++b) {
                        var T = null !== (c = null === (l = null == y ? void 0 : y._mipmapGenRenderPassDescr[r]) || void 0 === l ? void 0 : l[b - 1]) && void 0 !== c ? c : {
                            colorAttachments: [{
                                view: f.createView({
                                    format: i,
                                    dimension: vu.E2d,
                                    baseMipLevel: b,
                                    mipLevelCount: 1,
                                    arrayLayerCount: 1,
                                    baseArrayLayer: r
                                }),
                                loadOp: zu.Load,
                                storeOp: Wu.Store
                            }]
                        };
                        y && (y._mipmapGenRenderPassDescr[r] = y._mipmapGenRenderPassDescr[r] || [],
                        y._mipmapGenRenderPassDescr[r][b - 1] = T);
                        var E = o.beginRenderPass(T)
                          , S = null !== (h = null === (u = null == y ? void 0 : y._mipmapGenBindGroup[r]) || void 0 === u ? void 0 : u[b - 1]) && void 0 !== h ? h : this._device.createBindGroup({
                            layout: v,
                            entries: [{
                                binding: 0,
                                resource: this._mipmapSampler
                            }, {
                                binding: 1,
                                resource: f.createView({
                                    format: i,
                                    dimension: vu.E2d,
                                    baseMipLevel: b - 1,
                                    mipLevelCount: 1,
                                    arrayLayerCount: 1,
                                    baseArrayLayer: r
                                })
                            }]
                        });
                        y && (y._mipmapGenBindGroup[r] = y._mipmapGenBindGroup[r] || [],
                        y._mipmapGenBindGroup[r][b - 1] = S),
                        E.setPipeline(g),
                        E.setBindGroup(0, S),
                        E.draw(4, 1, 0, 0),
                        E.end()
                    }
                    null === (p = (d = o).popDebugGroup) || void 0 === p || p.call(d),
                    _ && (this._device.queue.submit([o.finish()]),
                    o = null)
                }
            }
            ,
            e.prototype.createGPUTextureForInternalTexture = function(t, i, n, r, o) {
                t._hardwareTexture || (t._hardwareTexture = new uh),
                void 0 === i && (i = t.width),
                void 0 === n && (n = t.height),
                void 0 === r && (r = t.depth);
                var s = t._hardwareTexture
                  , l = 0 != ((null != o ? o : 0) & a.TEXTURE_CREATIONFLAG_STORAGE);
                s.format = e.GetWebGPUTextureFormat(t.type, t.format, t._useSRGBBuffer),
                s.textureUsages = t._source === At.RenderTarget || t.source === At.MultiRenderTarget ? gu.TextureBinding | gu.CopySrc | gu.RenderAttachment : t._source === At.DepthStencil ? gu.TextureBinding | gu.RenderAttachment : -1,
                s.textureAdditionalUsages = l ? gu.StorageBinding : 0;
                var c, u = t.generateMipMaps, h = r || 1;
                if (c = null !== t._maxLodLevel ? t._maxLodLevel : u ? e.ComputeNumMipmapLevels(i, n) : 1,
                t.isCube) {
                    var d = this.createCubeTexture({
                        width: i,
                        height: n
                    }, t.generateMipMaps, t.generateMipMaps, t.invertY, !1, s.format, 1, this._commandEncoderForCreation, s.textureUsages, s.textureAdditionalUsages);
                    s.set(d),
                    s.createView({
                        format: s.format,
                        dimension: vu.Cube,
                        mipLevelCount: c,
                        baseArrayLayer: 0,
                        baseMipLevel: 0,
                        arrayLayerCount: 6,
                        aspect: yu.All
                    }, l)
                } else
                    d = this.createTexture({
                        width: i,
                        height: n,
                        layers: h
                    }, t.generateMipMaps, t.generateMipMaps, t.invertY, !1, t.is3D, s.format, 1, this._commandEncoderForCreation, s.textureUsages, s.textureAdditionalUsages),
                    s.set(d),
                    s.createView({
                        format: s.format,
                        dimension: t.is2DArray ? vu.E2dArray : t.is3D ? mu.E3d : vu.E2d,
                        mipLevelCount: c,
                        baseArrayLayer: 0,
                        baseMipLevel: 0,
                        arrayLayerCount: t.is3D ? 1 : h,
                        aspect: yu.All
                    }, l);
                return t.width = t.baseWidth = i,
                t.height = t.baseHeight = n,
                t.depth = t.baseDepth = r,
                this.createMSAATexture(t, t.samples),
                s
            }
            ,
            e.prototype.createMSAATexture = function(e, t) {
                var i = e._hardwareTexture;
                if ((null == i ? void 0 : i.msaaTexture) && (this.releaseTexture(i.msaaTexture),
                i.msaaTexture = null),
                i && !((null != t ? t : 1) <= 1)) {
                    var n = e.width
                      , r = e.height
                      , o = e.depth || 1;
                    if (e.isCube) {
                        var a = this.createCubeTexture({
                            width: n,
                            height: r
                        }, !1, !1, e.invertY, !1, i.format, t, this._commandEncoderForCreation, i.textureUsages, i.textureAdditionalUsages);
                        i.msaaTexture = a
                    } else
                        a = this.createTexture({
                            width: n,
                            height: r,
                            layers: o
                        }, !1, !1, e.invertY, !1, e.is3D, i.format, t, this._commandEncoderForCreation, i.textureUsages, i.textureAdditionalUsages),
                        i.msaaTexture = a
                }
            }
            ,
            e.prototype.updateCubeTextures = function(e, t, i, n, r, o, a, s, l) {
                void 0 === o && (o = !1),
                void 0 === a && (a = !1),
                void 0 === s && (s = 0),
                void 0 === l && (l = 0);
                for (var c = [0, 3, 1, 4, 2, 5], u = 0; u < c.length; ++u) {
                    var h = e[c[u]];
                    this.updateTexture(h, t, i, n, 1, r, u, 0, o, a, s, l)
                }
            }
            ,
            e.prototype.updateTexture = function(t, i, n, r, o, a, s, l, c, u, h, d, p) {
                void 0 === s && (s = 0),
                void 0 === l && (l = 0),
                void 0 === c && (c = !1),
                void 0 === u && (u = !1),
                void 0 === h && (h = 0),
                void 0 === d && (d = 0);
                var f = e._IsInternalTexture(i) ? i._hardwareTexture.underlyingResource : i
                  , _ = e._GetBlockInformationFromFormat(a)
                  , m = e._IsInternalTexture(i) ? i._hardwareTexture : i
                  , g = {
                    texture: f,
                    origin: {
                        x: h,
                        y: d,
                        z: Math.max(s, 0)
                    },
                    mipLevel: l,
                    premultipliedAlpha: u
                }
                  , v = {
                    width: Math.ceil(n / _.width) * _.width,
                    height: Math.ceil(r / _.height) * _.height,
                    depthOrArrayLayers: o || 1
                };
                if (void 0 !== t.byteLength) {
                    t = t;
                    var y = Math.ceil(n / _.width) * _.length;
                    if (256 * Math.ceil(y / 256) === y) {
                        var b = this._device.createCommandEncoder({})
                          , T = this._bufferManager.createRawBuffer(t.byteLength, fu.MapWrite | fu.CopySrc, !0)
                          , E = T.getMappedRange();
                        new Uint8Array(E).set(t),
                        T.unmap(),
                        b.copyBufferToTexture({
                            buffer: T,
                            offset: 0,
                            bytesPerRow: y,
                            rowsPerImage: r
                        }, g, v),
                        this._device.queue.submit([b.finish()]),
                        this._bufferManager.releaseBuffer(T)
                    } else
                        this._device.queue.writeTexture(g, t, {
                            offset: 0,
                            bytesPerRow: y,
                            rowsPerImage: r
                        }, v);
                    if (c || u) {
                        if (!e._IsInternalTexture(i))
                            throw "updateTexture: Can't process the texture data because a GPUTexture was provided instead of an InternalTexture!";
                        var S = 0 === h && 0 === d && n === i.width && r === i.height;
                        this.invertYPreMultiplyAlpha(m, i.width, i.height, a, c, u, s, l, o || 1, h, d, S ? 0 : n, S ? 0 : r, void 0, p)
                    }
                } else if (t = t,
                c)
                    if (g.premultipliedAlpha = !1,
                    e._IsInternalTexture(i) && 0 === h && 0 === d && n === i.width && r === i.height)
                        this._device.queue.copyExternalImageToTexture({
                            source: t
                        }, g, v),
                        this.invertYPreMultiplyAlpha(m, n, r, a, c, u, s, l, o || 1, 0, 0, 0, 0, void 0, p);
                    else {
                        b = this._device.createCommandEncoder({});
                        var A = this.createTexture({
                            width: n,
                            height: r,
                            layers: 1
                        }, !1, !1, !1, !1, !1, a, 1, b, gu.CopySrc | gu.TextureBinding);
                        this._deferredReleaseTextures.push([A, null]),
                        v.depthOrArrayLayers = 1,
                        this._device.queue.copyExternalImageToTexture({
                            source: t
                        }, {
                            texture: A
                        }, v),
                        v.depthOrArrayLayers = o || 1,
                        this.invertYPreMultiplyAlpha(A, n, r, a, c, u, s, l, o || 1, 0, 0, 0, 0, b, p),
                        b.copyTextureToTexture({
                            texture: A
                        }, g, v),
                        this._device.queue.submit([b.finish()])
                    }
                else
                    this._device.queue.copyExternalImageToTexture({
                        source: t
                    }, g, v)
            }
            ,
            e.prototype.readPixels = function(t, i, n, r, o, a, s, l, c, u) {
                void 0 === s && (s = 0),
                void 0 === l && (l = 0),
                void 0 === c && (c = null),
                void 0 === u && (u = !1);
                var h = e._GetBlockInformationFromFormat(a)
                  , d = Math.ceil(r / h.width) * h.length
                  , p = 256 * Math.ceil(d / 256)
                  , f = p * o
                  , _ = this._bufferManager.createRawBuffer(f, fu.MapRead | fu.CopyDst)
                  , m = this._device.createCommandEncoder({});
                return m.copyTextureToBuffer({
                    texture: t,
                    mipLevel: l,
                    origin: {
                        x: i,
                        y: n,
                        z: Math.max(s, 0)
                    }
                }, {
                    buffer: _,
                    offset: 0,
                    bytesPerRow: p
                }, {
                    width: r,
                    height: o,
                    depthOrArrayLayers: 1
                }),
                this._device.queue.submit([m.finish()]),
                this._bufferManager.readDataFromBuffer(_, f, r, o, d, p, e._GetTextureTypeFromFormat(a), 0, c, !0, u)
            }
            ,
            e.prototype.releaseTexture = function(t) {
                if (e._IsInternalTexture(t)) {
                    var i = t._hardwareTexture
                      , n = t._irradianceTexture;
                    this._deferredReleaseTextures.push([i, n])
                } else
                    this._deferredReleaseTextures.push([t, null])
            }
            ,
            e.prototype.destroyDeferredTextures = function() {
                for (var t = 0; t < this._deferredReleaseTextures.length; ++t) {
                    var i = this._deferredReleaseTextures[t]
                      , n = i[0]
                      , r = i[1];
                    n && (e._IsHardwareTexture(n) ? n.release() : n.destroy()),
                    null == r || r.dispose()
                }
                this._deferredReleaseTextures.length = 0
            }
            ,
            e
        }(), _h = function(e) {
            function t(t) {
                var i = e.call(this) || this;
                return i._buffer = t,
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "underlyingResource", {
                get: function() {
                    return this._buffer
                },
                enumerable: !1,
                configurable: !0
            }),
            t
        }(Bt), mh = function() {
            function e(e) {
                this._deferredReleaseBuffers = [],
                this._device = e
            }
            return e._IsGPUBuffer = function(e) {
                return void 0 === e.underlyingResource
            }
            ,
            e.prototype.createRawBuffer = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = {
                    mappedAtCreation: i,
                    size: void 0 !== e.byteLength ? e.byteLength + 3 & -4 : e + 3 & -4,
                    usage: t
                };
                return this._device.createBuffer(n)
            }
            ,
            e.prototype.createBuffer = function(e, t) {
                var i = void 0 !== e.byteLength
                  , n = this.createRawBuffer(e, t)
                  , r = new _h(n);
                return r.references = 1,
                r.capacity = i ? e.byteLength : e,
                i && this.setSubData(r, 0, e),
                r
            }
            ,
            e.prototype.setRawData = function(e, t, i, n, r) {
                this._device.queue.writeBuffer(e, t, i.buffer, n, r)
            }
            ,
            e.prototype.setSubData = function(e, t, i, n, r) {
                void 0 === n && (n = 0),
                void 0 === r && (r = 0);
                var o = e.underlyingResource;
                r = r || i.byteLength,
                r = Math.min(r, e.capacity - t);
                var a = i.byteOffset + n
                  , s = a + r
                  , l = r + 3 & -4;
                if (l !== r) {
                    var c = new Uint8Array(i.buffer.slice(a, s));
                    (i = new Uint8Array(l)).set(c),
                    n = 0,
                    a = 0,
                    s = l,
                    r = l
                }
                for (var u = 15728640, h = 0; s - (a + h) > u; )
                    this._device.queue.writeBuffer(o, t + h, i.buffer, a + h, u),
                    h += u;
                this._device.queue.writeBuffer(o, t + h, i.buffer, a + h, r - h)
            }
            ,
            e.prototype._getHalfFloatAsFloatRGBAArrayBuffer = function(e, t, i) {
                i || (i = new Float32Array(e));
                for (var n = new Uint16Array(t); e--; )
                    i[e] = Dc(n[e]);
                return i
            }
            ,
            e.prototype.readDataFromBuffer = function(e, t, i, n, r, o, s, l, c, u, h) {
                var d = this;
                void 0 === s && (s = a.TEXTURETYPE_UNSIGNED_BYTE),
                void 0 === l && (l = 0),
                void 0 === c && (c = null),
                void 0 === u && (u = !0),
                void 0 === h && (h = !1);
                var p = s === a.TEXTURETYPE_FLOAT ? 2 : s === a.TEXTURETYPE_HALF_FLOAT ? 1 : 0;
                return new Promise((function(i, a) {
                    e.mapAsync(_u.Read, l, t).then((function() {
                        var a = e.getMappedRange(l, t)
                          , f = c;
                        if (h)
                            f = null === f ? gr(s, t, !0, a) : gr(s, f.buffer, void 0, a);
                        else if (null === f)
                            switch (p) {
                            case 0:
                                (f = new Uint8Array(t)).set(new Uint8Array(a));
                                break;
                            case 1:
                                f = d._getHalfFloatAsFloatRGBAArrayBuffer(t / 2, a);
                                break;
                            case 2:
                                (f = new Float32Array(t / 4)).set(new Float32Array(a))
                            }
                        else
                            switch (p) {
                            case 0:
                                (f = new Uint8Array(f.buffer)).set(new Uint8Array(a));
                                break;
                            case 1:
                                f = d._getHalfFloatAsFloatRGBAArrayBuffer(t / 2, a, c);
                                break;
                            case 2:
                                (f = new Float32Array(f.buffer)).set(new Float32Array(a))
                            }
                        if (r !== o) {
                            1 !== p || h || (r *= 2,
                            o *= 2);
                            for (var _ = new Uint8Array(f.buffer), m = r, g = 0, v = 1; v < n; ++v) {
                                g = v * o;
                                for (var y = 0; y < r; ++y)
                                    _[m++] = _[g++]
                            }
                            f = 0 === p || h ? new Uint8Array(_.buffer,0,m) : new Float32Array(_.buffer,0,m / 4)
                        }
                        e.unmap(),
                        u && d.releaseBuffer(e),
                        i(f)
                    }
                    ), (function(e) {
                        return a(e)
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.releaseBuffer = function(t) {
                return e._IsGPUBuffer(t) ? (this._deferredReleaseBuffers.push(t),
                !0) : (t.references--,
                0 === t.references && (this._deferredReleaseBuffers.push(t.underlyingResource),
                !0))
            }
            ,
            e.prototype.destroyDeferredBuffers = function() {
                for (var e = 0; e < this._deferredReleaseBuffers.length; ++e)
                    this._deferredReleaseBuffers[e].destroy();
                this._deferredReleaseBuffers.length = 0
            }
            ,
            e
        }(), gh = function() {
            function e() {
                this.colorAttachmentGPUTextures = [],
                this.reset()
            }
            return e.prototype.reset = function(e) {
                void 0 === e && (e = !1),
                this.renderPass = null,
                e && (this.renderPassDescriptor = null,
                this.colorAttachmentViewDescriptor = null,
                this.depthAttachmentViewDescriptor = null,
                this.colorAttachmentGPUTextures = [],
                this.depthTextureFormat = void 0)
            }
            ,
            e
        }(), vh = [0, 0, 3, 7, 0, 2, 6, 2, 4, 1, 5, 3, 1], yh = [0, 64, 32, 96, 16, 80, 48, 112, 8], bh = [0, 128, 128, 0, 0, 0, 0, 128, 0, 0, 0, 0, 128], Th = function() {
            function e(e) {
                this._samplers = {},
                this._device = e,
                this.disabled = !1
            }
            return e.GetSamplerHashCode = function(e) {
                var t, i, n, r = e._cachedAnisotropicFilteringLevel && e._cachedAnisotropicFilteringLevel > 1 ? 4 : 1;
                return vh[e.samplingMode] + yh[(e._comparisonFunction || 514) - 512 + 1] + bh[e.samplingMode] + ((null !== (t = e._cachedWrapU) && void 0 !== t ? t : 1) << 8) + ((null !== (i = e._cachedWrapV) && void 0 !== i ? i : 1) << 10) + ((null !== (n = e._cachedWrapR) && void 0 !== n ? n : 1) << 12) + ((e.useMipMaps ? 1 : 0) << 14) + (r << 15)
            }
            ,
            e._GetSamplerFilterDescriptor = function(e, t) {
                var i, n, r, o, s, l = e.useMipMaps;
                switch (e.samplingMode) {
                case a.TEXTURE_LINEAR_LINEAR_MIPNEAREST:
                    i = Eu.Linear,
                    n = Eu.Linear,
                    r = Eu.Nearest,
                    l || (o = s = 0);
                    break;
                case a.TEXTURE_LINEAR_LINEAR_MIPLINEAR:
                case a.TEXTURE_TRILINEAR_SAMPLINGMODE:
                    i = Eu.Linear,
                    n = Eu.Linear,
                    l ? r = Eu.Linear : (r = Eu.Nearest,
                    o = s = 0);
                    break;
                case a.TEXTURE_NEAREST_NEAREST_MIPLINEAR:
                    i = Eu.Nearest,
                    n = Eu.Nearest,
                    l ? r = Eu.Linear : (r = Eu.Nearest,
                    o = s = 0);
                    break;
                case a.TEXTURE_NEAREST_NEAREST_MIPNEAREST:
                    i = Eu.Nearest,
                    n = Eu.Nearest,
                    r = Eu.Nearest,
                    l || (o = s = 0);
                    break;
                case a.TEXTURE_NEAREST_LINEAR_MIPNEAREST:
                    i = Eu.Nearest,
                    n = Eu.Linear,
                    r = Eu.Nearest,
                    l || (o = s = 0);
                    break;
                case a.TEXTURE_NEAREST_LINEAR_MIPLINEAR:
                    i = Eu.Nearest,
                    n = Eu.Linear,
                    l ? r = Eu.Linear : (r = Eu.Nearest,
                    o = s = 0);
                    break;
                case a.TEXTURE_NEAREST_LINEAR:
                    i = Eu.Nearest,
                    n = Eu.Linear,
                    r = Eu.Nearest,
                    o = s = 0;
                    break;
                case a.TEXTURE_NEAREST_NEAREST:
                case a.TEXTURE_NEAREST_SAMPLINGMODE:
                    i = Eu.Nearest,
                    n = Eu.Nearest,
                    r = Eu.Nearest,
                    o = s = 0;
                    break;
                case a.TEXTURE_LINEAR_NEAREST_MIPNEAREST:
                    i = Eu.Linear,
                    n = Eu.Nearest,
                    r = Eu.Nearest,
                    l || (o = s = 0);
                    break;
                case a.TEXTURE_LINEAR_NEAREST_MIPLINEAR:
                    i = Eu.Linear,
                    n = Eu.Nearest,
                    l ? r = Eu.Linear : (r = Eu.Nearest,
                    o = s = 0);
                    break;
                case a.TEXTURE_LINEAR_LINEAR:
                case a.TEXTURE_BILINEAR_SAMPLINGMODE:
                    i = Eu.Linear,
                    n = Eu.Linear,
                    r = Eu.Nearest,
                    o = s = 0;
                    break;
                case a.TEXTURE_LINEAR_NEAREST:
                    i = Eu.Linear,
                    n = Eu.Nearest,
                    r = Eu.Nearest,
                    o = s = 0;
                    break;
                default:
                    i = Eu.Nearest,
                    n = Eu.Nearest,
                    r = Eu.Nearest,
                    o = s = 0
                }
                return t > 1 && (0 !== o || 0 !== s) ? {
                    magFilter: Eu.Linear,
                    minFilter: Eu.Linear,
                    mipmapFilter: Eu.Linear,
                    anisotropyEnabled: !0
                } : {
                    magFilter: i,
                    minFilter: n,
                    mipmapFilter: r,
                    lodMinClamp: o,
                    lodMaxClamp: s
                }
            }
            ,
            e._GetWrappingMode = function(e) {
                switch (e) {
                case a.TEXTURE_WRAP_ADDRESSMODE:
                    return Tu.Repeat;
                case a.TEXTURE_CLAMP_ADDRESSMODE:
                    return Tu.ClampToEdge;
                case a.TEXTURE_MIRROR_ADDRESSMODE:
                    return Tu.MirrorRepeat
                }
                return Tu.Repeat
            }
            ,
            e._GetSamplerWrappingDescriptor = function(e) {
                return {
                    addressModeU: this._GetWrappingMode(e._cachedWrapU),
                    addressModeV: this._GetWrappingMode(e._cachedWrapV),
                    addressModeW: this._GetWrappingMode(e._cachedWrapR)
                }
            }
            ,
            e._GetSamplerDescriptor = function(t) {
                var i = t.useMipMaps && t._cachedAnisotropicFilteringLevel && t._cachedAnisotropicFilteringLevel > 1 ? 4 : 1
                  , n = this._GetSamplerFilterDescriptor(t, i);
                return V(V(V({}, n), this._GetSamplerWrappingDescriptor(t)), {
                    compare: t._comparisonFunction ? e.GetCompareFunction(t._comparisonFunction) : void 0,
                    maxAnisotropy: n.anisotropyEnabled ? i : 1
                })
            }
            ,
            e.GetCompareFunction = function(e) {
                switch (e) {
                case a.ALWAYS:
                    return Su.Always;
                case a.EQUAL:
                    return Su.Equal;
                case a.GREATER:
                    return Su.Greater;
                case a.GEQUAL:
                    return Su.GreaterEqual;
                case a.LESS:
                    return Su.Less;
                case a.LEQUAL:
                    return Su.LessEqual;
                case a.NEVER:
                    return Su.Never;
                case a.NOTEQUAL:
                    return Su.NotEqual;
                default:
                    return Su.Less
                }
            }
            ,
            e.prototype.getSampler = function(t, i, n) {
                if (void 0 === i && (i = !1),
                void 0 === n && (n = 0),
                this.disabled)
                    return this._device.createSampler(e._GetSamplerDescriptor(t));
                i ? n = 0 : 0 === n && (n = e.GetSamplerHashCode(t));
                var r = i ? void 0 : this._samplers[n];
                return r || (r = this._device.createSampler(e._GetSamplerDescriptor(t)),
                i || (this._samplers[n] = r)),
                r
            }
            ,
            e
        }();
        !function(e) {
            e[e.StencilReadMask = 0] = "StencilReadMask",
            e[e.StencilWriteMask = 1] = "StencilWriteMask",
            e[e.DepthBias = 2] = "DepthBias",
            e[e.DepthBiasSlopeScale = 3] = "DepthBiasSlopeScale",
            e[e.DepthStencilState = 4] = "DepthStencilState",
            e[e.MRTAttachments1 = 5] = "MRTAttachments1",
            e[e.MRTAttachments2 = 6] = "MRTAttachments2",
            e[e.RasterizationState = 7] = "RasterizationState",
            e[e.ColorStates = 8] = "ColorStates",
            e[e.ShaderStage = 9] = "ShaderStage",
            e[e.TextureStage = 10] = "TextureStage",
            e[e.VertexState = 11] = "VertexState",
            e[e.NumStates = 12] = "NumStates"
        }(hh || (hh = {}));
        var Eh = {
            0: 1,
            1: 2,
            768: 3,
            769: 4,
            770: 5,
            771: 6,
            772: 7,
            773: 8,
            774: 9,
            775: 10,
            776: 11,
            32769: 12,
            32770: 13,
            32771: 12,
            32772: 13
        }
          , Sh = {
            0: 0,
            7680: 1,
            7681: 2,
            7682: 3,
            7683: 4,
            5386: 5,
            34055: 6,
            34056: 7
        }
          , Ah = function() {
            function e(e, t, i) {
                this.mrtTextureCount = 0,
                this._device = e,
                this._useTextureStage = i,
                this._states = new Array(30),
                this._statesLength = 0,
                this._stateDirtyLowestIndex = 0,
                this._emptyVertexBuffer = t,
                this._mrtFormats = [],
                this._parameter = {
                    token: void 0,
                    pipeline: null
                },
                this.disabled = !1,
                this.vertexBuffers = [],
                this._kMaxVertexBufferStride = e.limits.maxVertexBufferArrayStride || 2048,
                this.reset()
            }
            return e.prototype.reset = function() {
                this._isDirty = !0,
                this.vertexBuffers.length = 0,
                this.setAlphaToCoverage(!1),
                this.resetDepthCullingState(),
                this.setClampDepth(!1),
                this.setDepthBias(0),
                this._webgpuColorFormat = [bu.BGRA8Unorm],
                this.setColorFormat(bu.BGRA8Unorm),
                this.setMRT([]),
                this.setAlphaBlendEnabled(!1),
                this.setAlphaBlendFactors([null, null, null, null], [null, null]),
                this.setWriteMask(15),
                this.setDepthStencilFormat(bu.Depth24PlusStencil8),
                this.setStencilEnabled(!1),
                this.resetStencilState(),
                this.setBuffers(null, null, null),
                this._setTextureState(0)
            }
            ,
            Object.defineProperty(e.prototype, "colorFormats", {
                get: function() {
                    return this._mrtAttachments1 > 0 ? this._mrtFormats : this._webgpuColorFormat
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getRenderPipeline = function(t, i, n, r) {
                if (void 0 === r && (r = 0),
                n > 1 && (n = 4),
                this.disabled) {
                    var o = e._GetTopology(t);
                    return this._setVertexState(i),
                    this._parameter.pipeline = this._createRenderPipeline(i, o, n),
                    e.NumCacheMiss++,
                    e._NumPipelineCreationCurrentFrame++,
                    this._parameter.pipeline
                }
                if (this._setShaderStage(i.uniqueId),
                this._setRasterizationState(t, n),
                this._setColorStates(),
                this._setDepthStencilState(),
                this._setVertexState(i),
                this._setTextureState(r),
                this.lastStateDirtyLowestIndex = this._stateDirtyLowestIndex,
                !this._isDirty && this._parameter.pipeline)
                    return this._stateDirtyLowestIndex = this._statesLength,
                    e.NumCacheHitWithoutHash++,
                    this._parameter.pipeline;
                if (this._getRenderPipeline(this._parameter),
                this._isDirty = !1,
                this._stateDirtyLowestIndex = this._statesLength,
                this._parameter.pipeline)
                    return e.NumCacheHitWithHash++,
                    this._parameter.pipeline;
                var a = e._GetTopology(t);
                return this._parameter.pipeline = this._createRenderPipeline(i, a, n),
                this._setRenderPipeline(this._parameter),
                e.NumCacheMiss++,
                e._NumPipelineCreationCurrentFrame++,
                this._parameter.pipeline
            }
            ,
            e.prototype.endFrame = function() {
                e.NumPipelineCreationLastFrame = e._NumPipelineCreationCurrentFrame,
                e._NumPipelineCreationCurrentFrame = 0
            }
            ,
            e.prototype.setAlphaToCoverage = function(e) {
                this._alphaToCoverageEnabled = e
            }
            ,
            e.prototype.setFrontFace = function(e) {
                this._frontFace = e
            }
            ,
            e.prototype.setCullEnabled = function(e) {
                this._cullEnabled = e
            }
            ,
            e.prototype.setCullFace = function(e) {
                this._cullFace = e
            }
            ,
            e.prototype.setClampDepth = function(e) {
                this._clampDepth = e
            }
            ,
            e.prototype.resetDepthCullingState = function() {
                this.setDepthCullingState(!1, 2, 1, 0, 0, !0, !0, a.ALWAYS)
            }
            ,
            e.prototype.setDepthCullingState = function(e, t, i, n, r, o, s, l) {
                this._depthWriteEnabled = s,
                this._depthTestEnabled = o,
                this._depthCompare = (null != l ? l : a.ALWAYS) - 512,
                this._cullFace = i,
                this._cullEnabled = e,
                this._frontFace = t,
                this.setDepthBiasSlopeScale(n),
                this.setDepthBias(r)
            }
            ,
            e.prototype.setDepthBias = function(e) {
                this._depthBias !== e && (this._depthBias = e,
                this._states[hh.DepthBias] = e,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.DepthBias))
            }
            ,
            e.prototype.setDepthBiasSlopeScale = function(e) {
                this._depthBiasSlopeScale !== e && (this._depthBiasSlopeScale = e,
                this._states[hh.DepthBiasSlopeScale] = e,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.DepthBiasSlopeScale))
            }
            ,
            e.prototype.setColorFormat = function(e) {
                this._webgpuColorFormat[0] = e,
                this._colorFormat = ph[e]
            }
            ,
            e.prototype.setMRTAttachments = function(e) {
                this.mrtAttachments = e;
                for (var t = 0, i = 0; i < e.length; ++i)
                    0 !== e[i] && (t += 1 << i);
                this._mrtEnabledMask !== t && (this._mrtEnabledMask = t,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.MRTAttachments1))
            }
            ,
            e.prototype.setMRT = function(e, t) {
                var i;
                if ((t = null != t ? t : e.length) > 10)
                    throw "Can't handle more than 10 attachments for a MRT in cache render pipeline!";
                this.mrtTextureArray = e,
                this.mrtTextureCount = t,
                this._mrtEnabledMask = 65535;
                for (var n = [0, 0], r = 0, o = 0, a = 0, s = 0; s < t; ++s) {
                    var l = e[s]
                      , c = null == l ? void 0 : l._hardwareTexture;
                    this._mrtFormats[a] = null !== (i = null == c ? void 0 : c.format) && void 0 !== i ? i : this._webgpuColorFormat[0],
                    n[r] += ph[this._mrtFormats[a]] << o,
                    a++,
                    (o += 6) >= 32 && (o = 0,
                    r++)
                }
                this._mrtFormats.length = a,
                this._mrtAttachments1 === n[0] && this._mrtAttachments2 === n[1] || (this._mrtAttachments1 = n[0],
                this._mrtAttachments2 = n[1],
                this._states[hh.MRTAttachments1] = n[0],
                this._states[hh.MRTAttachments2] = n[1],
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.MRTAttachments1))
            }
            ,
            e.prototype.setAlphaBlendEnabled = function(e) {
                this._alphaBlendEnabled = e
            }
            ,
            e.prototype.setAlphaBlendFactors = function(e, t) {
                this._alphaBlendFuncParams = e,
                this._alphaBlendEqParams = t
            }
            ,
            e.prototype.setWriteMask = function(e) {
                this._writeMask = e
            }
            ,
            e.prototype.setDepthStencilFormat = function(e) {
                this._webgpuDepthStencilFormat = e,
                this._depthStencilFormat = void 0 === e ? 0 : ph[e]
            }
            ,
            e.prototype.setDepthTestEnabled = function(e) {
                this._depthTestEnabled = e
            }
            ,
            e.prototype.setDepthWriteEnabled = function(e) {
                this._depthWriteEnabled = e
            }
            ,
            e.prototype.setDepthCompare = function(e) {
                this._depthCompare = (null != e ? e : a.ALWAYS) - 512
            }
            ,
            e.prototype.setStencilEnabled = function(e) {
                this._stencilEnabled = e
            }
            ,
            e.prototype.setStencilCompare = function(e) {
                this._stencilFrontCompare = (null != e ? e : a.ALWAYS) - 512
            }
            ,
            e.prototype.setStencilDepthFailOp = function(e) {
                this._stencilFrontDepthFailOp = null === e ? 1 : Sh[e]
            }
            ,
            e.prototype.setStencilPassOp = function(e) {
                this._stencilFrontPassOp = null === e ? 2 : Sh[e]
            }
            ,
            e.prototype.setStencilFailOp = function(e) {
                this._stencilFrontFailOp = null === e ? 1 : Sh[e]
            }
            ,
            e.prototype.setStencilReadMask = function(e) {
                this._stencilReadMask !== e && (this._stencilReadMask = e,
                this._states[hh.StencilReadMask] = e,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.StencilReadMask))
            }
            ,
            e.prototype.setStencilWriteMask = function(e) {
                this._stencilWriteMask !== e && (this._stencilWriteMask = e,
                this._states[hh.StencilWriteMask] = e,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.StencilWriteMask))
            }
            ,
            e.prototype.resetStencilState = function() {
                this.setStencilState(!1, a.ALWAYS, a.KEEP, a.REPLACE, a.KEEP, 255, 255)
            }
            ,
            e.prototype.setStencilState = function(e, t, i, n, r, o, s) {
                this._stencilEnabled = e,
                this._stencilFrontCompare = (null != t ? t : a.ALWAYS) - 512,
                this._stencilFrontDepthFailOp = null === i ? 1 : Sh[i],
                this._stencilFrontPassOp = null === n ? 2 : Sh[n],
                this._stencilFrontFailOp = null === r ? 1 : Sh[r],
                this.setStencilReadMask(o),
                this.setStencilWriteMask(s)
            }
            ,
            e.prototype.setBuffers = function(e, t, i) {
                this._vertexBuffers = e,
                this._overrideVertexBuffers = i,
                this._indexBuffer = t
            }
            ,
            e._GetTopology = function(e) {
                switch (e) {
                case a.MATERIAL_TriangleFillMode:
                    return Iu.TriangleList;
                case a.MATERIAL_PointFillMode:
                    return Iu.PointList;
                case a.MATERIAL_WireFrameFillMode:
                    return Iu.LineList;
                case a.MATERIAL_PointListDrawMode:
                    return Iu.PointList;
                case a.MATERIAL_LineListDrawMode:
                    return Iu.LineList;
                case a.MATERIAL_LineLoopDrawMode:
                    throw "LineLoop is an unsupported fillmode in WebGPU";
                case a.MATERIAL_LineStripDrawMode:
                    return Iu.LineStrip;
                case a.MATERIAL_TriangleStripDrawMode:
                    return Iu.TriangleStrip;
                case a.MATERIAL_TriangleFanDrawMode:
                    throw "TriangleFan is an unsupported fillmode in WebGPU";
                default:
                    return Iu.TriangleList
                }
            }
            ,
            e._GetAphaBlendOperation = function(e) {
                switch (e) {
                case a.GL_ALPHA_EQUATION_ADD:
                    return Fu.Add;
                case a.GL_ALPHA_EQUATION_SUBTRACT:
                    return Fu.Subtract;
                case a.GL_ALPHA_EQUATION_REVERSE_SUBTRACT:
                    return Fu.ReverseSubtract;
                case a.GL_ALPHA_EQUATION_MIN:
                    return Fu.Min;
                case a.GL_ALPHA_EQUATION_MAX:
                    return Fu.Max;
                default:
                    return Fu.Add
                }
            }
            ,
            e._GetAphaBlendFactor = function(e) {
                switch (e) {
                case 0:
                    return Lu.Zero;
                case 1:
                    return Lu.One;
                case a.GL_ALPHA_FUNCTION_SRC:
                    return Lu.Src;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR:
                    return Lu.OneMinusSrc;
                case a.GL_ALPHA_FUNCTION_SRC_ALPHA:
                    return Lu.SrcAlpha;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA:
                    return Lu.OneMinusSrcAlpha;
                case a.GL_ALPHA_FUNCTION_DST_ALPHA:
                    return Lu.DstAlpha;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_DST_ALPHA:
                    return Lu.OneMinusDstAlpha;
                case a.GL_ALPHA_FUNCTION_DST_COLOR:
                    return Lu.Dst;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_DST_COLOR:
                    return Lu.OneMinusDst;
                case a.GL_ALPHA_FUNCTION_SRC_ALPHA_SATURATED:
                    return Lu.SrcAlphaSaturated;
                case a.GL_ALPHA_FUNCTION_CONSTANT_COLOR:
                    return Lu.Constant;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_COLOR:
                    return Lu.OneMinusConstant;
                case a.GL_ALPHA_FUNCTION_CONSTANT_ALPHA:
                    return Lu.Constant;
                case a.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_ALPHA:
                    return Lu.OneMinusConstant;
                default:
                    return Lu.One
                }
            }
            ,
            e._GetCompareFunction = function(e) {
                switch (e) {
                case 0:
                    return Su.Never;
                case 1:
                    return Su.Less;
                case 2:
                    return Su.Equal;
                case 3:
                    return Su.LessEqual;
                case 4:
                    return Su.Greater;
                case 5:
                    return Su.NotEqual;
                case 6:
                    return Su.GreaterEqual;
                case 7:
                    return Su.Always
                }
                return Su.Never
            }
            ,
            e._GetStencilOpFunction = function(e) {
                switch (e) {
                case 0:
                    return wu.Zero;
                case 1:
                    return wu.Keep;
                case 2:
                    return wu.Replace;
                case 3:
                    return wu.IncrementClamp;
                case 4:
                    return wu.DecrementClamp;
                case 5:
                    return wu.Invert;
                case 6:
                    return wu.IncrementWrap;
                case 7:
                    return wu.DecrementWrap
                }
                return wu.Keep
            }
            ,
            e._GetVertexInputDescriptorFormat = function(e) {
                var t = e.type
                  , i = e.normalized
                  , n = e.getSize();
                switch (t) {
                case Bi.BYTE:
                    switch (n) {
                    case 1:
                    case 2:
                        return i ? Uu.Snorm8x2 : Uu.Sint8x2;
                    case 3:
                    case 4:
                        return i ? Uu.Snorm8x4 : Uu.Sint8x4
                    }
                    break;
                case Bi.UNSIGNED_BYTE:
                    switch (n) {
                    case 1:
                    case 2:
                        return i ? Uu.Unorm8x2 : Uu.Uint8x2;
                    case 3:
                    case 4:
                        return i ? Uu.Unorm8x4 : Uu.Uint8x4
                    }
                    break;
                case Bi.SHORT:
                    switch (n) {
                    case 1:
                    case 2:
                        return i ? Uu.Snorm16x2 : Uu.Sint16x2;
                    case 3:
                    case 4:
                        return i ? Uu.Snorm16x4 : Uu.Sint16x4
                    }
                    break;
                case Bi.UNSIGNED_SHORT:
                    switch (n) {
                    case 1:
                    case 2:
                        return i ? Uu.Unorm16x2 : Uu.Uint16x2;
                    case 3:
                    case 4:
                        return i ? Uu.Unorm16x4 : Uu.Uint16x4
                    }
                    break;
                case Bi.INT:
                    switch (n) {
                    case 1:
                        return Uu.Sint32;
                    case 2:
                        return Uu.Sint32x2;
                    case 3:
                        return Uu.Sint32x3;
                    case 4:
                        return Uu.Sint32x4
                    }
                    break;
                case Bi.UNSIGNED_INT:
                    switch (n) {
                    case 1:
                        return Uu.Uint32;
                    case 2:
                        return Uu.Uint32x2;
                    case 3:
                        return Uu.Uint32x3;
                    case 4:
                        return Uu.Uint32x4
                    }
                    break;
                case Bi.FLOAT:
                    switch (n) {
                    case 1:
                        return Uu.Float32;
                    case 2:
                        return Uu.Float32x2;
                    case 3:
                        return Uu.Float32x3;
                    case 4:
                        return Uu.Float32x4
                    }
                }
                throw new Error("Invalid Format '".concat(e.getKind(), "' - type=").concat(t, ", normalized=").concat(i, ", size=").concat(n))
            }
            ,
            e.prototype._getAphaBlendState = function() {
                return this._alphaBlendEnabled ? {
                    srcFactor: e._GetAphaBlendFactor(this._alphaBlendFuncParams[2]),
                    dstFactor: e._GetAphaBlendFactor(this._alphaBlendFuncParams[3]),
                    operation: e._GetAphaBlendOperation(this._alphaBlendEqParams[1])
                } : null
            }
            ,
            e.prototype._getColorBlendState = function() {
                return this._alphaBlendEnabled ? {
                    srcFactor: e._GetAphaBlendFactor(this._alphaBlendFuncParams[0]),
                    dstFactor: e._GetAphaBlendFactor(this._alphaBlendFuncParams[1]),
                    operation: e._GetAphaBlendOperation(this._alphaBlendEqParams[0])
                } : null
            }
            ,
            e.prototype._setShaderStage = function(e) {
                this._shaderId !== e && (this._shaderId = e,
                this._states[hh.ShaderStage] = e,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.ShaderStage))
            }
            ,
            e.prototype._setRasterizationState = function(e, t) {
                var i = this._frontFace - 1 + ((this._cullEnabled ? this._cullFace : 0) << 1) + ((this._clampDepth ? 1 : 0) << 3) + ((this._alphaToCoverageEnabled ? 1 : 0) << 4) + (e << 5) + (t << 8);
                this._rasterizationState !== i && (this._rasterizationState = i,
                this._states[hh.RasterizationState] = this._rasterizationState,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.RasterizationState))
            }
            ,
            e.prototype._setColorStates = function() {
                var e = ((this._writeMask ? 1 : 0) << 22) + (this._colorFormat << 23) + ((this._depthWriteEnabled ? 1 : 0) << 29);
                this._alphaBlendEnabled && (e += ((null === this._alphaBlendFuncParams[0] ? 2 : Eh[this._alphaBlendFuncParams[0]]) << 0) + ((null === this._alphaBlendFuncParams[1] ? 2 : Eh[this._alphaBlendFuncParams[1]]) << 4) + ((null === this._alphaBlendFuncParams[2] ? 2 : Eh[this._alphaBlendFuncParams[2]]) << 8) + ((null === this._alphaBlendFuncParams[3] ? 2 : Eh[this._alphaBlendFuncParams[3]]) << 12) + ((null === this._alphaBlendEqParams[0] ? 1 : this._alphaBlendEqParams[0] - 32773) << 16) + ((null === this._alphaBlendEqParams[1] ? 1 : this._alphaBlendEqParams[1] - 32773) << 19)),
                e !== this._colorStates && (this._colorStates = e,
                this._states[hh.ColorStates] = this._colorStates,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.ColorStates))
            }
            ,
            e.prototype._setDepthStencilState = function() {
                var e = this._stencilEnabled ? this._stencilFrontCompare + (this._stencilFrontDepthFailOp << 3) + (this._stencilFrontPassOp << 6) + (this._stencilFrontFailOp << 9) : 591
                  , t = this._depthStencilFormat + ((this._depthTestEnabled ? this._depthCompare : 7) << 6) + (e << 10);
                this._depthStencilState !== t && (this._depthStencilState = t,
                this._states[hh.DepthStencilState] = this._depthStencilState,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.DepthStencilState))
            }
            ,
            e.prototype._setVertexState = function(e) {
                for (var t, i, n, r = this._statesLength, o = hh.VertexState, a = e._pipelineContext, s = a.shaderProcessingContext.attributeNamesFromEffect, l = a.shaderProcessingContext.attributeLocationsFromEffect, c = 0, u = 0; u < s.length; u++) {
                    var h = l[u]
                      , d = null !== (t = this._overrideVertexBuffers && this._overrideVertexBuffers[s[u]]) && void 0 !== t ? t : this._vertexBuffers[s[u]];
                    d || (d = this._emptyVertexBuffer);
                    var p = null === (i = d.getBuffer()) || void 0 === i ? void 0 : i.underlyingResource;
                    if (void 0 === d._validOffsetRange) {
                        var f = d.byteOffset
                          , _ = d.getSize(!0)
                          , m = d.byteStride;
                        d._validOffsetRange = f <= this._kMaxVertexBufferStride - _ && (0 === m || f + _ <= m)
                    }
                    n && n === p && d._validOffsetRange || (this.vertexBuffers[c++] = d,
                    n = d._validOffsetRange ? p : null);
                    var g = d.hashCode + (h << 7);
                    this._isDirty = this._isDirty || this._states[o] !== g,
                    this._states[o++] = g
                }
                this.vertexBuffers.length = c,
                this._statesLength = o,
                this._isDirty = this._isDirty || o !== r,
                this._isDirty && (this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.VertexState))
            }
            ,
            e.prototype._setTextureState = function(e) {
                this._textureState !== e && (this._textureState = e,
                this._states[hh.TextureStage] = this._textureState,
                this._isDirty = !0,
                this._stateDirtyLowestIndex = Math.min(this._stateDirtyLowestIndex, hh.TextureStage))
            }
            ,
            e.prototype._createPipelineLayout = function(e) {
                if (this._useTextureStage)
                    return this._createPipelineLayoutWithTextureStage(e);
                for (var t = [], i = e.shaderProcessingContext.bindGroupLayoutEntries, n = 0; n < i.length; n++) {
                    var r = i[n];
                    t[n] = this._device.createBindGroupLayout({
                        entries: r
                    })
                }
                return e.bindGroupLayouts = t,
                this._device.createPipelineLayout({
                    bindGroupLayouts: t
                })
            }
            ,
            e.prototype._createPipelineLayoutWithTextureStage = function(e) {
                for (var t, i = e.shaderProcessingContext, n = i.bindGroupLayoutEntries, r = 1, o = 0; o < n.length; o++)
                    for (var a = n[o], s = 0; s < a.length; s++) {
                        var l = n[o][s];
                        if (l.texture) {
                            var c = i.bindGroupLayoutEntryInfo[o][l.binding].name
                              , u = i.availableTextures[c]
                              , h = u.autoBindSampler ? i.availableSamplers[c + Qu.AutoSamplerSuffix] : null
                              , d = u.sampleType
                              , p = null !== (t = null == h ? void 0 : h.type) && void 0 !== t ? t : Ru.Filtering;
                            if (this._textureState & r && d !== Cu.Depth && (u.autoBindSampler && (p = Ru.NonFiltering),
                            d = Cu.UnfilterableFloat),
                            l.texture.sampleType = d,
                            h) {
                                var f = i.bindGroupLayoutEntryInfo[h.binding.groupIndex][h.binding.bindingIndex].index;
                                n[h.binding.groupIndex][f].sampler.type = p
                            }
                            r <<= 1
                        }
                    }
                var _ = [];
                for (o = 0; o < n.length; ++o)
                    _[o] = this._device.createBindGroupLayout({
                        entries: n[o]
                    });
                return e.bindGroupLayouts = _,
                this._device.createPipelineLayout({
                    bindGroupLayouts: _
                })
            }
            ,
            e.prototype._getVertexInputDescriptor = function(t) {
                for (var i, n, r, o, a = [], s = t._pipelineContext, l = s.shaderProcessingContext.attributeNamesFromEffect, c = s.shaderProcessingContext.attributeLocationsFromEffect, u = 0; u < l.length; u++) {
                    var h = c[u]
                      , d = null !== (i = this._overrideVertexBuffers && this._overrideVertexBuffers[l[u]]) && void 0 !== i ? i : this._vertexBuffers[l[u]];
                    d || (d = this._emptyVertexBuffer);
                    var p = null === (n = d.getBuffer()) || void 0 === n ? void 0 : n.underlyingResource
                      , f = d.byteOffset
                      , _ = !d._validOffsetRange;
                    if (!r || !o || r !== p || _) {
                        var m = {
                            arrayStride: d.byteStride,
                            stepMode: d.getIsInstanced() ? Vu.Instance : Vu.Vertex,
                            attributes: []
                        };
                        a.push(m),
                        o = m.attributes,
                        _ && (f = 0,
                        p = null)
                    }
                    o.push({
                        shaderLocation: h,
                        offset: f,
                        format: e._GetVertexInputDescriptorFormat(d)
                    }),
                    r = p
                }
                return a
            }
            ,
            e.prototype._createRenderPipeline = function(t, i, n) {
                var r = t._pipelineContext
                  , o = this._getVertexInputDescriptor(t)
                  , a = this._createPipelineLayout(r)
                  , s = []
                  , l = this._getAphaBlendState()
                  , c = this._getColorBlendState();
                if (this._mrtAttachments1 > 0)
                    for (var u = 0; u < this._mrtFormats.length; ++u) {
                        var h = {
                            format: this._mrtFormats[u],
                            writeMask: 0 != (this._mrtEnabledMask & 1 << u) ? this._writeMask : 0
                        };
                        l && c && (h.blend = {
                            alpha: l,
                            color: c
                        }),
                        s.push(h)
                    }
                else
                    h = {
                        format: this._webgpuColorFormat[0],
                        writeMask: this._writeMask
                    },
                    l && c && (h.blend = {
                        alpha: l,
                        color: c
                    }),
                    s.push(h);
                var d = {
                    compare: e._GetCompareFunction(this._stencilEnabled ? this._stencilFrontCompare : 7),
                    depthFailOp: e._GetStencilOpFunction(this._stencilEnabled ? this._stencilFrontDepthFailOp : 1),
                    failOp: e._GetStencilOpFunction(this._stencilEnabled ? this._stencilFrontFailOp : 1),
                    passOp: e._GetStencilOpFunction(this._stencilEnabled ? this._stencilFrontPassOp : 1)
                }
                  , p = void 0;
                i !== Iu.LineStrip && i !== Iu.TriangleStrip || (p = !this._indexBuffer || this._indexBuffer.is32Bits ? Bu.Uint32 : Bu.Uint16);
                var f = !!this._webgpuDepthStencilFormat && fh.HasStencilAspect(this._webgpuDepthStencilFormat);
                return this._device.createRenderPipeline({
                    layout: a,
                    vertex: {
                        module: r.stages.vertexStage.module,
                        entryPoint: r.stages.vertexStage.entryPoint,
                        buffers: o
                    },
                    primitive: {
                        topology: i,
                        stripIndexFormat: p,
                        frontFace: 1 === this._frontFace ? Ou.CCW : Ou.CW,
                        cullMode: this._cullEnabled ? 2 === this._cullFace ? Du.Front : Du.Back : Du.None
                    },
                    fragment: r.stages.fragmentStage ? {
                        module: r.stages.fragmentStage.module,
                        entryPoint: r.stages.fragmentStage.entryPoint,
                        targets: s
                    } : void 0,
                    multisample: {
                        count: n
                    },
                    depthStencil: void 0 === this._webgpuDepthStencilFormat ? void 0 : {
                        depthWriteEnabled: this._depthWriteEnabled,
                        depthCompare: this._depthTestEnabled ? e._GetCompareFunction(this._depthCompare) : Su.Always,
                        format: this._webgpuDepthStencilFormat,
                        stencilFront: this._stencilEnabled && f ? d : void 0,
                        stencilBack: this._stencilEnabled && f ? d : void 0,
                        stencilReadMask: this._stencilEnabled && f ? this._stencilReadMask : void 0,
                        stencilWriteMask: this._stencilEnabled && f ? this._stencilWriteMask : void 0,
                        depthBias: this._depthBias,
                        depthBiasClamp: this._depthBiasClamp,
                        depthBiasSlopeScale: this._depthBiasSlopeScale
                    }
                })
            }
            ,
            e.NumCacheHitWithoutHash = 0,
            e.NumCacheHitWithHash = 0,
            e.NumCacheMiss = 0,
            e.NumPipelineCreationLastFrame = 0,
            e._NumPipelineCreationCurrentFrame = 0,
            e
        }()
          , xh = function() {
            function e() {
                this.values = {}
            }
            return e.prototype.count = function() {
                var e = 0
                  , t = this.pipeline ? 1 : 0;
                for (var i in this.values) {
                    var n = this.values[i].count();
                    e += n[0],
                    t += n[1],
                    e++
                }
                return [e, t]
            }
            ,
            e
        }()
          , Rh = function(e) {
            function t(i, n, r) {
                var o = e.call(this, i, n, r) || this;
                return o._nodeStack = [],
                o._nodeStack[0] = t._Cache,
                o
            }
            return U(t, e),
            t.GetNodeCounts = function() {
                var e = t._Cache.count();
                return {
                    nodeCount: e[0],
                    pipelineCount: e[1]
                }
            }
            ,
            t._GetPipelines = function(e, i, n, r) {
                if (e.pipeline) {
                    var o = n.slice();
                    o.length = r,
                    i.push(o)
                }
                for (var a in e.values) {
                    var s = e.values[a];
                    n[r] = parseInt(a),
                    t._GetPipelines(s, i, n, r + 1)
                }
            }
            ,
            t.GetPipelines = function() {
                var e = [];
                return t._GetPipelines(t._Cache, e, [], 0),
                e
            }
            ,
            t.prototype._getRenderPipeline = function(e) {
                for (var t = this._nodeStack[this._stateDirtyLowestIndex], i = this._stateDirtyLowestIndex; i < this._statesLength; ++i) {
                    var n = t.values[this._states[i]];
                    n || (n = new xh,
                    t.values[this._states[i]] = n),
                    t = n,
                    this._nodeStack[i + 1] = t
                }
                e.token = t,
                e.pipeline = t.pipeline
            }
            ,
            t.prototype._setRenderPipeline = function(e) {
                e.token.pipeline = e.pipeline
            }
            ,
            t._Cache = new xh,
            t
        }(Ah)
          , Ch = function(e) {
            function t(t) {
                var i = e.call(this, !1) || this;
                return i._cache = t,
                i.reset(),
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "func", {
                get: function() {
                    return this._func
                },
                set: function(e) {
                    this._func !== e && (this._func = e,
                    this._cache.setStencilCompare(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "funcMask", {
                get: function() {
                    return this._funcMask
                },
                set: function(e) {
                    this._funcMask !== e && (this._funcMask = e,
                    this._cache.setStencilReadMask(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "opStencilFail", {
                get: function() {
                    return this._opStencilFail
                },
                set: function(e) {
                    this._opStencilFail !== e && (this._opStencilFail = e,
                    this._cache.setStencilFailOp(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "opDepthFail", {
                get: function() {
                    return this._opDepthFail
                },
                set: function(e) {
                    this._opDepthFail !== e && (this._opDepthFail = e,
                    this._cache.setStencilDepthFailOp(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "opStencilDepthPass", {
                get: function() {
                    return this._opStencilDepthPass
                },
                set: function(e) {
                    this._opStencilDepthPass !== e && (this._opStencilDepthPass = e,
                    this._cache.setStencilPassOp(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "mask", {
                get: function() {
                    return this._mask
                },
                set: function(e) {
                    this._mask !== e && (this._mask = e,
                    this._cache.setStencilWriteMask(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    this._enabled !== e && (this._enabled = e,
                    this._cache.setStencilEnabled(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.reset = function() {
                e.prototype.reset.call(this),
                this._cache.resetStencilState()
            }
            ,
            t.prototype.apply = function() {
                var e, t = null === (e = this.stencilMaterial) || void 0 === e ? void 0 : e.enabled;
                this.enabled = t ? this.stencilMaterial.enabled : this.stencilGlobal.enabled,
                this.enabled && (this.func = t ? this.stencilMaterial.func : this.stencilGlobal.func,
                this.funcRef = t ? this.stencilMaterial.funcRef : this.stencilGlobal.funcRef,
                this.funcMask = t ? this.stencilMaterial.funcMask : this.stencilGlobal.funcMask,
                this.opStencilFail = t ? this.stencilMaterial.opStencilFail : this.stencilGlobal.opStencilFail,
                this.opDepthFail = t ? this.stencilMaterial.opDepthFail : this.stencilGlobal.opDepthFail,
                this.opStencilDepthPass = t ? this.stencilMaterial.opStencilDepthPass : this.stencilGlobal.opStencilDepthPass,
                this.mask = t ? this.stencilMaterial.mask : this.stencilGlobal.mask)
            }
            ,
            t
        }(zt)
          , Ph = function(e) {
            function t(t) {
                var i = e.call(this, !1) || this;
                return i._cache = t,
                i.reset(),
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "zOffset", {
                get: function() {
                    return this._zOffset
                },
                set: function(e) {
                    this._zOffset !== e && (this._zOffset = e,
                    this._isZOffsetDirty = !0,
                    this._cache.setDepthBiasSlopeScale(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "zOffsetUnits", {
                get: function() {
                    return this._zOffsetUnits
                },
                set: function(e) {
                    this._zOffsetUnits !== e && (this._zOffsetUnits = e,
                    this._isZOffsetDirty = !0,
                    this._cache.setDepthBias(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cullFace", {
                get: function() {
                    return this._cullFace
                },
                set: function(e) {
                    this._cullFace !== e && (this._cullFace = e,
                    this._isCullFaceDirty = !0,
                    this._cache.setCullFace(null != e ? e : 1))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cull", {
                get: function() {
                    return this._cull
                },
                set: function(e) {
                    this._cull !== e && (this._cull = e,
                    this._isCullDirty = !0,
                    this._cache.setCullEnabled(!!e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthFunc", {
                get: function() {
                    return this._depthFunc
                },
                set: function(e) {
                    this._depthFunc !== e && (this._depthFunc = e,
                    this._isDepthFuncDirty = !0,
                    this._cache.setDepthCompare(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthMask", {
                get: function() {
                    return this._depthMask
                },
                set: function(e) {
                    this._depthMask !== e && (this._depthMask = e,
                    this._isDepthMaskDirty = !0,
                    this._cache.setDepthWriteEnabled(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthTest", {
                get: function() {
                    return this._depthTest
                },
                set: function(e) {
                    this._depthTest !== e && (this._depthTest = e,
                    this._isDepthTestDirty = !0,
                    this._cache.setDepthTestEnabled(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "frontFace", {
                get: function() {
                    return this._frontFace
                },
                set: function(e) {
                    this._frontFace !== e && (this._frontFace = e,
                    this._isFrontFaceDirty = !0,
                    this._cache.setFrontFace(null != e ? e : 2))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.reset = function() {
                e.prototype.reset.call(this),
                this._cache.resetDepthCullingState()
            }
            ,
            t.prototype.apply = function() {}
            ,
            t
        }(It)
          , Mh = function() {
            function e(e) {
                this.useMipMaps = !1,
                this.type = a.TEXTURETYPE_UNDEFINED,
                this._video = e,
                this.uniqueId = Lt._Counter++
            }
            return e.IsExternalTexture = function(e) {
                return void 0 !== e.underlyingResource
            }
            ,
            e.prototype.getClassName = function() {
                return "ExternalTexture"
            }
            ,
            Object.defineProperty(e.prototype, "underlyingResource", {
                get: function() {
                    return this._video
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function() {
                return this._video.readyState >= this._video.HAVE_CURRENT_DATA
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e
        }()
          , Ih = function() {
            function e() {
                this.uniqueId = e._Counter++,
                this.updateId = 0,
                this.reset()
            }
            return Object.defineProperty(e.prototype, "forceBindGroupCreation", {
                get: function() {
                    return this._numExternalTextures > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasFloatTextures", {
                get: function() {
                    return this._numFloatTextures > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function() {
                this.samplers = {},
                this.textures = {},
                this.isDirty = !0,
                this._numFloatTextures = 0,
                this._numExternalTextures = 0
            }
            ,
            e.prototype.setSampler = function(e, t) {
                var i = this.samplers[e]
                  , n = -1;
                i ? n = i.hashCode : this.samplers[e] = i = {
                    sampler: t,
                    hashCode: 0
                },
                i.sampler = t,
                i.hashCode = t ? Th.GetSamplerHashCode(t) : 0;
                var r = n !== i.hashCode;
                r && this.updateId++,
                this.isDirty || (this.isDirty = r)
            }
            ,
            e.prototype.setTexture = function(e, t) {
                var i, n, r, o = this.textures[e], s = -1;
                o ? s = null !== (n = null === (i = o.texture) || void 0 === i ? void 0 : i.uniqueId) && void 0 !== n ? n : -1 : this.textures[e] = o = {
                    texture: t,
                    isFloatTexture: !1,
                    isExternalTexture: !1
                },
                o.isExternalTexture && this._numExternalTextures--,
                o.isFloatTexture && this._numFloatTextures--,
                t ? (o.isFloatTexture = t.type === a.TEXTURETYPE_FLOAT,
                o.isExternalTexture = Mh.IsExternalTexture(t),
                o.isFloatTexture && this._numFloatTextures++,
                o.isExternalTexture && this._numExternalTextures++) : (o.isFloatTexture = !1,
                o.isExternalTexture = !1),
                o.texture = t;
                var l = s !== (null !== (r = null == t ? void 0 : t.uniqueId) && void 0 !== r ? r : -1);
                l && this.updateId++,
                this.isDirty || (this.isDirty = l)
            }
            ,
            e._Counter = 0,
            e
        }()
          , Oh = function() {
            function e(t) {
                this._bufferManager = t,
                this.uniqueId = e._Counter++,
                this._useInstancing = !1,
                this._currentInstanceCount = 0,
                this.reset()
            }
            return e.prototype.isDirty = function(e) {
                return this._isDirty || this._materialContextUpdateId !== e
            }
            ,
            e.prototype.resetIsDirty = function(e) {
                this._isDirty = !1,
                this._materialContextUpdateId = e
            }
            ,
            Object.defineProperty(e.prototype, "useInstancing", {
                get: function() {
                    return this._useInstancing
                },
                set: function(e) {
                    this._useInstancing !== e && (e ? (this.indirectDrawBuffer = this._bufferManager.createRawBuffer(40, fu.CopyDst | fu.Indirect),
                    this._indirectDrawData = new Uint32Array(5),
                    this._indirectDrawData[3] = 0,
                    this._indirectDrawData[4] = 0) : (this.indirectDrawBuffer && this._bufferManager.releaseBuffer(this.indirectDrawBuffer),
                    this.indirectDrawBuffer = void 0,
                    this._indirectDrawData = void 0),
                    this._useInstancing = e,
                    this._currentInstanceCount = -1)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.reset = function() {
                this.buffers = {},
                this._isDirty = !0,
                this._materialContextUpdateId = 0,
                this.fastBundle = void 0,
                this.bindGroups = void 0
            }
            ,
            e.prototype.setBuffer = function(e, t) {
                var i;
                this._isDirty || (this._isDirty = (null == t ? void 0 : t.uniqueId) !== (null === (i = this.buffers[e]) || void 0 === i ? void 0 : i.uniqueId)),
                this.buffers[e] = t
            }
            ,
            e.prototype.setIndirectData = function(e, t, i) {
                t !== this._currentInstanceCount && this.indirectDrawBuffer && this._indirectDrawData && (this._currentInstanceCount = t,
                this._indirectDrawData[0] = e,
                this._indirectDrawData[1] = t,
                this._indirectDrawData[2] = i,
                this._bufferManager.setRawData(this.indirectDrawBuffer, 0, this._indirectDrawData, 0, 20))
            }
            ,
            e.prototype.dispose = function() {
                this.indirectDrawBuffer && (this._bufferManager.releaseBuffer(this.indirectDrawBuffer),
                this.indirectDrawBuffer = void 0,
                this._indirectDrawData = void 0),
                this.fastBundle = void 0,
                this.bindGroups = void 0,
                this.buffers = void 0
            }
            ,
            e._Counter = 0,
            e
        }()
          , Dh = function() {
            this.values = {}
        }
          , Nh = function() {
            function e(e, t, i) {
                this.disabled = !1,
                this._device = e,
                this._cacheSampler = t,
                this._engine = i
            }
            return Object.defineProperty(e, "Statistics", {
                get: function() {
                    return {
                        totalCreated: e.NumBindGroupsCreatedTotal,
                        lastFrameCreated: e.NumBindGroupsCreatedLastFrame,
                        lookupLastFrame: e.NumBindGroupsLookupLastFrame,
                        noLookupLastFrame: e.NumBindGroupsNoLookupLastFrame
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.endFrame = function() {
                e.NumBindGroupsCreatedLastFrame = e._NumBindGroupsCreatedCurrentFrame,
                e.NumBindGroupsLookupLastFrame = e._NumBindGroupsLookupCurrentFrame,
                e.NumBindGroupsNoLookupLastFrame = e._NumBindGroupsNoLookupCurrentFrame,
                e._NumBindGroupsCreatedCurrentFrame = 0,
                e._NumBindGroupsLookupCurrentFrame = 0,
                e._NumBindGroupsNoLookupCurrentFrame = 0
            }
            ,
            e.prototype.getBindGroups = function(t, i, n) {
                var r, o, a, s, l, c, u, h, d, p, f = void 0, _ = e._Cache, m = this.disabled || n.forceBindGroupCreation;
                if (!m) {
                    if (!i.isDirty(n.updateId) && !n.isDirty)
                        return e._NumBindGroupsNoLookupCurrentFrame++,
                        i.bindGroups;
                    for (var g = 0, v = t.shaderProcessingContext.bufferNames; g < v.length; g++) {
                        var y = v[g]
                          , b = null !== (o = null === (r = i.buffers[y]) || void 0 === r ? void 0 : r.uniqueId) && void 0 !== o ? o : 0;
                        (C = _.values[b]) || (C = new Dh,
                        _.values[b] = C),
                        _ = C
                    }
                    for (var T = 0, E = t.shaderProcessingContext.samplerNames; T < E.length; T++) {
                        var S = E[T]
                          , A = null !== (s = null === (a = n.samplers[S]) || void 0 === a ? void 0 : a.hashCode) && void 0 !== s ? s : 0;
                        (C = _.values[A]) || (C = new Dh,
                        _.values[A] = C),
                        _ = C
                    }
                    for (var x = 0, R = t.shaderProcessingContext.textureNames; x < R.length; x++) {
                        var C, P = R[x], M = null !== (u = null === (c = null === (l = n.textures[P]) || void 0 === l ? void 0 : l.texture) || void 0 === c ? void 0 : c.uniqueId) && void 0 !== u ? u : 0;
                        (C = _.values[M]) || (C = new Dh,
                        _.values[M] = C),
                        _ = C
                    }
                    f = _.bindGroups
                }
                if (i.resetIsDirty(n.updateId),
                n.isDirty = !1,
                f)
                    return i.bindGroups = f,
                    e._NumBindGroupsLookupCurrentFrame++,
                    f;
                f = [],
                i.bindGroups = f,
                m || (_.bindGroups = f),
                e.NumBindGroupsCreatedTotal++,
                e._NumBindGroupsCreatedCurrentFrame++;
                for (var I = t.bindGroupLayouts, O = 0; O < t.shaderProcessingContext.bindGroupLayoutEntries.length; O++) {
                    for (var D = t.shaderProcessingContext.bindGroupLayoutEntries[O], N = t.shaderProcessingContext.bindGroupEntries[O], L = 0; L < D.length; L++) {
                        var F = t.shaderProcessingContext.bindGroupLayoutEntries[O][L]
                          , w = t.shaderProcessingContext.bindGroupLayoutEntryInfo[O][F.binding]
                          , B = null !== (h = w.nameInArrayOfTexture) && void 0 !== h ? h : w.name;
                        if (F.sampler)
                            if (k = n.samplers[B]) {
                                var U = k.sampler;
                                if (!U) {
                                    this._engine.dbgSanityChecks && K.Error("Trying to bind a null sampler! entry=".concat(JSON.stringify(F), ", name=").concat(B, ", bindingInfo=").concat(JSON.stringify(k, (function(e, t) {
                                        return "texture" === e ? "<no dump>" : t
                                    }
                                    )), ", materialContext.uniqueId=").concat(n.uniqueId), 50);
                                    continue
                                }
                                N[L].resource = this._cacheSampler.getSampler(U, !1, k.hashCode)
                            } else
                                K.Error('Sampler "'.concat(B, '" could not be bound. entry=').concat(JSON.stringify(F), ", materialContext=").concat(JSON.stringify(n, (function(e, t) {
                                    return "texture" === e || "sampler" === e ? "<no dump>" : t
                                }
                                ))), 50);
                        else if (F.texture || F.storageTexture)
                            if (k = n.textures[B]) {
                                if (this._engine.dbgSanityChecks && null === k.texture) {
                                    K.Error("Trying to bind a null texture! entry=".concat(JSON.stringify(F), ", bindingInfo=").concat(JSON.stringify(k, (function(e, t) {
                                        return "texture" === e ? "<no dump>" : t
                                    }
                                    )), ", materialContext.uniqueId=").concat(n.uniqueId), 50);
                                    continue
                                }
                                var V = k.texture._hardwareTexture;
                                if (this._engine.dbgSanityChecks && (!V || F.texture && !V.view || F.storageTexture && !V.viewForWriting)) {
                                    K.Error("Trying to bind a null gpu texture or view! entry=".concat(JSON.stringify(F), ", name=").concat(B, ", bindingInfo=").concat(JSON.stringify(k, (function(e, t) {
                                        return "texture" === e ? "<no dump>" : t
                                    }
                                    )), ", isReady=").concat(null === (d = k.texture) || void 0 === d ? void 0 : d.isReady, ", materialContext.uniqueId=").concat(n.uniqueId), 50);
                                    continue
                                }
                                N[L].resource = F.storageTexture ? V.viewForWriting : V.view
                            } else
                                K.Error('Texture "'.concat(B, '" could not be bound. entry=').concat(JSON.stringify(F), ", materialContext=").concat(JSON.stringify(n, (function(e, t) {
                                    return "texture" === e || "sampler" === e ? "<no dump>" : t
                                }
                                ))), 50);
                        else if (F.externalTexture) {
                            var k;
                            if (k = n.textures[B]) {
                                if (this._engine.dbgSanityChecks && null === k.texture) {
                                    K.Error("Trying to bind a null external texture! entry=".concat(JSON.stringify(F), ", name=").concat(B, ", bindingInfo=").concat(JSON.stringify(k, (function(e, t) {
                                        return "texture" === e ? "<no dump>" : t
                                    }
                                    )), ", materialContext.uniqueId=").concat(n.uniqueId), 50);
                                    continue
                                }
                                var G = k.texture.underlyingResource;
                                if (this._engine.dbgSanityChecks && !G) {
                                    K.Error("Trying to bind a null gpu external texture! entry=".concat(JSON.stringify(F), ", name=").concat(B, ", bindingInfo=").concat(JSON.stringify(k, (function(e, t) {
                                        return "texture" === e ? "<no dump>" : t
                                    }
                                    )), ", isReady=").concat(null === (p = k.texture) || void 0 === p ? void 0 : p.isReady, ", materialContext.uniqueId=").concat(n.uniqueId), 50);
                                    continue
                                }
                                N[L].resource = this._device.importExternalTexture({
                                    source: G
                                })
                            } else
                                K.Error('Texture "'.concat(B, '" could not be bound. entry=').concat(JSON.stringify(F), ", materialContext=").concat(JSON.stringify(n, (function(e, t) {
                                    return "texture" === e || "sampler" === e ? "<no dump>" : t
                                }
                                ))), 50)
                        } else if (F.buffer) {
                            var z = i.buffers[B];
                            if (z) {
                                var W = z.underlyingResource;
                                N[L].resource.buffer = W,
                                N[L].resource.size = z.capacity
                            } else
                                K.Error("Can't find buffer \"".concat(B, '". entry=').concat(JSON.stringify(F), ", buffers=").concat(JSON.stringify(i.buffers), ", drawContext.uniqueId=").concat(i.uniqueId), 50)
                        }
                    }
                    var H = I[O];
                    f[O] = this._device.createBindGroup({
                        layout: H,
                        entries: N
                    })
                }
                return f
            }
            ,
            e.NumBindGroupsCreatedTotal = 0,
            e.NumBindGroupsCreatedLastFrame = 0,
            e.NumBindGroupsLookupLastFrame = 0,
            e.NumBindGroupsNoLookupLastFrame = 0,
            e._Cache = new Dh,
            e._NumBindGroupsCreatedCurrentFrame = 0,
            e._NumBindGroupsLookupCurrentFrame = 0,
            e._NumBindGroupsNoLookupCurrentFrame = 0,
            e
        }();
        Pt.ShadersStore.clearQuadVertexShader = "uniform float depthValue;\nconst vec2 pos[4]={\nvec2(-1.0,1.0),\nvec2(1.0,1.0),\nvec2(-1.0,-1.0),\nvec2(1.0,-1.0)\n};\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\ngl_Position=vec4(pos[gl_VertexID],depthValue,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}\n";
        Pt.ShadersStore.clearQuadPixelShader = "uniform vec4 color;\nvoid main() {\ngl_FragColor=color;\n}\n";
        var Lh = function() {
            function e(e, t, i) {
                this._bindGroups = {},
                this._bundleCache = {},
                this._keyTemp = [],
                this._device = e,
                this._engine = t,
                this._cacheRenderPipeline = new Rh(this._device,i,!t._caps.textureFloatLinearFiltering),
                this._cacheRenderPipeline.setDepthTestEnabled(!1),
                this._cacheRenderPipeline.setStencilReadMask(255),
                this._effect = t.createEffect("clearQuad", [], ["color", "depthValue"])
            }
            return e.prototype.setDepthStencilFormat = function(e) {
                this._depthTextureFormat = e,
                this._cacheRenderPipeline.setDepthStencilFormat(e)
            }
            ,
            e.prototype.setColorFormat = function(e) {
                this._cacheRenderPipeline.setColorFormat(e)
            }
            ,
            e.prototype.setMRTAttachments = function(e, t, i) {
                this._cacheRenderPipeline.setMRT(t, i),
                this._cacheRenderPipeline.setMRTAttachments(e)
            }
            ,
            e.prototype.clear = function(e, t, i, n, r) {
                var o, s;
                void 0 === r && (r = 1);
                var l, c = null, u = !!this._engine._currentRenderTarget;
                if (e)
                    s = e;
                else {
                    var h = 0;
                    this._keyTemp.length = 0;
                    for (var d = 0; d < this._cacheRenderPipeline.colorFormats.length; ++d)
                        this._keyTemp[h++] = ph[this._cacheRenderPipeline.colorFormats[d]];
                    var p = ph[null !== (o = this._depthTextureFormat) && void 0 !== o ? o : 0];
                    if (this._keyTemp[h] = (t ? t.r + 256 * t.g + 256 * t.b * 256 + 256 * t.a * 256 * 256 : 0) + (i ? Math.pow(2, 32) : 0) + (n ? Math.pow(2, 33) : 0) + (this._engine.useReverseDepthBuffer ? Math.pow(2, 34) : 0) + (u ? Math.pow(2, 35) : 0) + (r > 1 ? Math.pow(2, 36) : 0) + p * Math.pow(2, 37),
                    l = this._keyTemp.join("_"),
                    c = this._bundleCache[l])
                        return c;
                    s = this._device.createRenderBundleEncoder({
                        colorFormats: this._cacheRenderPipeline.colorFormats,
                        depthStencilFormat: this._depthTextureFormat,
                        sampleCount: r
                    })
                }
                this._cacheRenderPipeline.setDepthWriteEnabled(!!i),
                this._cacheRenderPipeline.setStencilEnabled(!!n && !!this._depthTextureFormat && fh.HasStencilAspect(this._depthTextureFormat)),
                this._cacheRenderPipeline.setStencilWriteMask(n ? 255 : 0),
                this._cacheRenderPipeline.setStencilCompare(n ? a.ALWAYS : a.NEVER),
                this._cacheRenderPipeline.setStencilPassOp(n ? a.REPLACE : a.KEEP),
                this._cacheRenderPipeline.setWriteMask(t ? 15 : 0);
                var f = this._cacheRenderPipeline.getRenderPipeline(a.MATERIAL_TriangleStripDrawMode, this._effect, r)
                  , _ = this._effect._pipelineContext;
                t && this._effect.setDirectColor4("color", t),
                this._effect.setFloat("depthValue", this._engine.useReverseDepthBuffer ? this._engine._clearReverseDepthValue : this._engine._clearDepthValue),
                _.uniformBuffer.update();
                var m = u ? this._engine._ubInvertY : this._engine._ubDontInvertY
                  , g = _.uniformBuffer.getBuffer()
                  , v = g.uniqueId + "-" + m.uniqueId
                  , y = this._bindGroups[v];
                if (!y) {
                    var b = _.bindGroupLayouts;
                    (y = this._bindGroups[v] = []).push(this._device.createBindGroup({
                        layout: b[0],
                        entries: []
                    })),
                    Ju._SimplifiedKnownBindings || y.push(this._device.createBindGroup({
                        layout: b[1],
                        entries: []
                    })),
                    y.push(this._device.createBindGroup({
                        layout: b[Ju._SimplifiedKnownBindings ? 1 : 2],
                        entries: [{
                            binding: 0,
                            resource: {
                                buffer: m.underlyingResource,
                                size: m.capacity
                            }
                        }, {
                            binding: 1,
                            resource: {
                                buffer: g.underlyingResource,
                                size: g.capacity
                            }
                        }]
                    }))
                }
                for (s.setPipeline(f),
                d = 0; d < y.length; ++d)
                    s.setBindGroup(d, y[d]);
                return s.draw(4, 1, 0, 0),
                e || (c = s.finish(),
                this._bundleCache[l] = c),
                c
            }
            ,
            e
        }()
          , Fh = function() {
            function e(e, t, i, n) {
                this.x = Math.floor(e),
                this.y = Math.floor(t),
                this.w = Math.floor(i),
                this.h = Math.floor(n)
            }
            return e.prototype.run = function(e) {
                e.setViewport(this.x, this.y, this.w, this.h, 0, 1)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.x,this.y,this.w,this.h)
            }
            ,
            e
        }()
          , wh = function() {
            function e(e, t, i, n) {
                this.x = e,
                this.y = t,
                this.w = i,
                this.h = n
            }
            return e.prototype.run = function(e) {
                e.setScissorRect(this.x, this.y, this.w, this.h)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.x,this.y,this.w,this.h)
            }
            ,
            e
        }()
          , Bh = function() {
            function e(e) {
                this.ref = e
            }
            return e.prototype.run = function(e) {
                e.setStencilReference(this.ref)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.ref)
            }
            ,
            e
        }()
          , Uh = function() {
            function e(e) {
                this.color = e
            }
            return e.prototype.run = function(e) {
                e.setBlendConstant(this.color)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.color)
            }
            ,
            e
        }()
          , Vh = function() {
            function e(e) {
                this.query = e
            }
            return e.prototype.run = function(e) {
                e.beginOcclusionQuery(this.query)
            }
            ,
            e.prototype.clone = function() {
                return new e(this.query)
            }
            ,
            e
        }()
          , kh = function() {
            function e() {}
            return e.prototype.run = function(e) {
                e.endOcclusionQuery()
            }
            ,
            e.prototype.clone = function() {
                return new e
            }
            ,
            e
        }()
          , Gh = function() {
            function e() {
                this.bundles = []
            }
            return e.prototype.run = function(e) {
                e.executeBundles(this.bundles)
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return t.bundles = this.bundles,
                t
            }
            ,
            e
        }()
          , zh = function() {
            function e(e) {
                this.numDrawCalls = 0,
                this._device = e,
                this._list = new Array(10),
                this._listLength = 0
            }
            return e.prototype.addBundle = function(e) {
                if (!this._currentItemIsBundle) {
                    var t = new Gh;
                    this._list[this._listLength++] = t,
                    this._currentBundleList = t.bundles,
                    this._currentItemIsBundle = !0
                }
                e && this._currentBundleList.push(e)
            }
            ,
            e.prototype._finishBundle = function() {
                this._currentItemIsBundle && this._bundleEncoder && (this._currentBundleList.push(this._bundleEncoder.finish()),
                this._bundleEncoder = void 0,
                this._currentItemIsBundle = !1)
            }
            ,
            e.prototype.addItem = function(e) {
                this._finishBundle(),
                this._list[this._listLength++] = e,
                this._currentItemIsBundle = !1
            }
            ,
            e.prototype.getBundleEncoder = function(e, t, i) {
                return this._currentItemIsBundle || (this.addBundle(),
                this._bundleEncoder = this._device.createRenderBundleEncoder({
                    colorFormats: e,
                    depthStencilFormat: t,
                    sampleCount: i
                })),
                this._bundleEncoder
            }
            ,
            e.prototype.close = function() {
                this._finishBundle()
            }
            ,
            e.prototype.run = function(e) {
                this.close();
                for (var t = 0; t < this._listLength; ++t)
                    this._list[t].run(e)
            }
            ,
            e.prototype.reset = function() {
                this._listLength = 0,
                this._currentItemIsBundle = !1,
                this.numDrawCalls = 0
            }
            ,
            e.prototype.clone = function() {
                this.close();
                var t = new e(this._device);
                t._list = new Array(this._listLength),
                t._listLength = this._listLength,
                t.numDrawCalls = this.numDrawCalls;
                for (var i = 0; i < this._listLength; ++i)
                    t._list[i] = this._list[i].clone();
                return t
            }
            ,
            e
        }()
          , Wh = function() {
            function e(e, t, i, n, r) {
                void 0 === r && (r = !0),
                this._dstBuffers = [],
                this._device = i,
                this._bufferManager = n,
                this._count = e,
                this._canUseMultipleBuffers = r,
                this._querySet = i.createQuerySet({
                    type: t,
                    count: e
                }),
                this._queryBuffer = n.createRawBuffer(8 * e, fu.QueryResolve | fu.CopySrc),
                r || this._dstBuffers.push(this._bufferManager.createRawBuffer(8 * this._count, fu.MapRead | fu.CopyDst))
            }
            return Object.defineProperty(e.prototype, "querySet", {
                get: function() {
                    return this._querySet
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getBuffer = function(e, t) {
                if (!this._canUseMultipleBuffers && 0 === this._dstBuffers.length)
                    return null;
                var i, n = this._device.createCommandEncoder();
                return 0 === this._dstBuffers.length ? i = this._bufferManager.createRawBuffer(8 * this._count, fu.MapRead | fu.CopyDst) : (i = this._dstBuffers[this._dstBuffers.length - 1],
                this._dstBuffers.length--),
                n.resolveQuerySet(this._querySet, e, t, this._queryBuffer, 0),
                n.copyBufferToBuffer(this._queryBuffer, 0, i, 0, 8 * t),
                this._device.queue.submit([n.finish()]),
                i
            }
            ,
            e.prototype.readValues = function(e, t) {
                return void 0 === e && (e = 0),
                void 0 === t && (t = 1),
                G(this, void 0, void 0, (function() {
                    var i, n;
                    return z(this, (function(r) {
                        switch (r.label) {
                        case 0:
                            return null === (i = this._getBuffer(e, t)) ? [2, null] : [4, i.mapAsync(_u.Read)];
                        case 1:
                            return r.sent(),
                            n = new BigUint64Array(i.getMappedRange()).slice(),
                            i.unmap(),
                            this._dstBuffers[this._dstBuffers.length] = i,
                            [2, n]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.readValue = function(e) {
                return void 0 === e && (e = 0),
                G(this, void 0, void 0, (function() {
                    var t, i, n;
                    return z(this, (function(r) {
                        switch (r.label) {
                        case 0:
                            return null === (t = this._getBuffer(e, 1)) ? [2, null] : [4, t.mapAsync(_u.Read)];
                        case 1:
                            return r.sent(),
                            i = new BigUint64Array(t.getMappedRange()),
                            n = Number(i[0]),
                            t.unmap(),
                            this._dstBuffers[this._dstBuffers.length] = t,
                            [2, n]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.readTwoValuesAndSubtract = function(e) {
                return void 0 === e && (e = 0),
                G(this, void 0, void 0, (function() {
                    var t, i, n;
                    return z(this, (function(r) {
                        switch (r.label) {
                        case 0:
                            return null === (t = this._getBuffer(e, 2)) ? [2, null] : [4, t.mapAsync(_u.Read)];
                        case 1:
                            return r.sent(),
                            i = new BigUint64Array(t.getMappedRange()),
                            n = Number(i[1] - i[0]),
                            t.unmap(),
                            this._dstBuffers[this._dstBuffers.length] = t,
                            [2, n]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                this._querySet.destroy(),
                this._bufferManager.releaseBuffer(this._queryBuffer);
                for (var e = 0; e < this._dstBuffers.length; ++e)
                    this._bufferManager.releaseBuffer(this._dstBuffers[e])
            }
            ,
            e
        }()
          , Hh = function() {
            function e(e, t) {
                this._enabled = !1,
                this._gpuFrameTimeCounter = new un,
                this._measureDurationState = 0,
                this._device = e,
                this._bufferManager = t
            }
            return Object.defineProperty(e.prototype, "gpuFrameTimeCounter", {
                get: function() {
                    return this._gpuFrameTimeCounter
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enable", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    this._enabled !== e && (this._enabled = e,
                    this._measureDurationState = 0,
                    e ? this._measureDuration = new Xh(this._device,this._bufferManager) : this._measureDuration.dispose())
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.startFrame = function(e) {
                this._enabled && 0 === this._measureDurationState && (this._measureDuration.start(e),
                this._measureDurationState = 1)
            }
            ,
            e.prototype.endFrame = function(e) {
                var t = this;
                1 === this._measureDurationState && (this._measureDurationState = 2,
                this._measureDuration.stop(e).then((function(e) {
                    null !== e && e >= 0 && (t._gpuFrameTimeCounter.fetchNewFrame(),
                    t._gpuFrameTimeCounter.addCount(e, !0)),
                    t._measureDurationState = 0
                }
                )))
            }
            ,
            e
        }()
          , Xh = function() {
            function e(e, t) {
                this._querySet = new Wh(2,Hu.Timestamp,e,t)
            }
            return e.prototype.start = function(e) {
                e.writeTimestamp(this._querySet.querySet, 0)
            }
            ,
            e.prototype.stop = function(e) {
                return G(this, void 0, void 0, (function() {
                    return z(this, (function(t) {
                        return e.writeTimestamp(this._querySet.querySet, 1),
                        [2, this._querySet.readTwoValuesAndSubtract(0)]
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                this._querySet.dispose()
            }
            ,
            e
        }()
          , jh = function() {
            function e(e, t, i, n, r) {
                void 0 === n && (n = 50),
                void 0 === r && (r = 100),
                this._availableIndices = [],
                this._engine = e,
                this._device = t,
                this._bufferManager = i,
                this._frameLastBuffer = -1,
                this._currentTotalIndices = 0,
                this._countIncrement = r,
                this._allocateNewIndices(n)
            }
            return Object.defineProperty(e.prototype, "querySet", {
                get: function() {
                    return this._querySet.querySet
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasQueries", {
                get: function() {
                    return this._currentTotalIndices !== this._availableIndices.length
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "canBeginQuery", {
                get: function() {
                    switch (this._engine._getCurrentRenderPassIndex()) {
                    case 0:
                        return void 0 !== this._engine._mainRenderPassWrapper.renderPassDescriptor.occlusionQuerySet;
                    case 1:
                        return void 0 !== this._engine._rttRenderPassWrapper.renderPassDescriptor.occlusionQuerySet
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.createQuery = function() {
                0 === this._availableIndices.length && this._allocateNewIndices();
                var e = this._availableIndices[this._availableIndices.length - 1];
                return this._availableIndices.length--,
                e
            }
            ,
            e.prototype.deleteQuery = function(e) {
                this._availableIndices[this._availableIndices.length - 1] = e
            }
            ,
            e.prototype.isQueryResultAvailable = function(e) {
                return this._retrieveQueryBuffer(),
                !!this._lastBuffer && e < this._lastBuffer.length
            }
            ,
            e.prototype.getQueryResult = function(e) {
                var t, i;
                return Number(null !== (i = null === (t = this._lastBuffer) || void 0 === t ? void 0 : t[e]) && void 0 !== i ? i : -1)
            }
            ,
            e.prototype._retrieveQueryBuffer = function() {
                var e = this;
                this._lastBuffer && this._frameLastBuffer === this._engine.frameId || this._frameLastBuffer !== this._engine.frameId && (this._frameLastBuffer = this._engine.frameId,
                this._querySet.readValues(0, this._currentTotalIndices).then((function(t) {
                    e._lastBuffer = t
                }
                )))
            }
            ,
            e.prototype._allocateNewIndices = function(e) {
                e = null != e ? e : this._countIncrement,
                this._delayQuerySetDispose();
                for (var t = 0; t < e; ++t)
                    this._availableIndices.push(this._currentTotalIndices + t);
                this._currentTotalIndices += e,
                this._querySet = new Wh(this._currentTotalIndices,Hu.Occlusion,this._device,this._bufferManager,!1)
            }
            ,
            e.prototype._delayQuerySetDispose = function() {
                var e = this._querySet;
                e && setTimeout((function() {
                    return e.dispose
                }
                ), 1e3)
            }
            ,
            e.prototype.dispose = function() {
                var e;
                null === (e = this._querySet) || void 0 === e || e.dispose(),
                this._availableIndices = []
            }
            ,
            e
        }()
          , Yh = function() {
            function e() {
                this._twgsl = null
            }
            return e.prototype.initTwgsl = function(t) {
                return G(this, void 0, void 0, (function() {
                    var i;
                    return z(this, (function(n) {
                        switch (n.label) {
                        case 0:
                            return t = t || {},
                            (t = V(V({}, e._TWgslDefaultOptions), t)).twgsl ? (this._twgsl = t.twgsl,
                            [2, Promise.resolve()]) : t.jsPath && t.wasmPath ? nt() ? [4, gi.LoadScriptAsync(t.jsPath)] : [3, 2] : [3, 3];
                        case 1:
                            return n.sent(),
                            [3, 3];
                        case 2:
                            importScripts(t.jsPath),
                            n.label = 3;
                        case 3:
                            return self.twgsl ? (i = this,
                            [4, self.twgsl(t.wasmPath)]) : [3, 5];
                        case 4:
                            return i._twgsl = n.sent(),
                            [2, Promise.resolve()];
                        case 5:
                            return [2, Promise.reject("twgsl is not available.")]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.convertSpirV2WGSL = function(e) {
                return this._twgsl.convertSpirV2WGSL(e)
            }
            ,
            e._TWgslDefaultOptions = {
                jsPath: "https://preview.babylonjs.com/twgsl/twgsl.js",
                wasmPath: "https://preview.babylonjs.com/twgsl/twgsl.wasm"
            },
            e
        }()
          , Kh = function() {
            function e(e, t, i, n) {
                this._record = !1,
                this._play = !1,
                this._mainPassBundleList = [],
                this._enabled = !1,
                this._engine = e,
                this._mode = t,
                this._bundleList = i,
                this._bundleListRenderTarget = n
            }
            return Object.defineProperty(e.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                set: function(e) {
                    this._mainPassBundleList.length = 0,
                    this._record = this._enabled = e,
                    this._play = !1,
                    e && (this._modeSaved = this._mode,
                    this._mode = a.SNAPSHOTRENDERING_STANDARD)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "play", {
                get: function() {
                    return this._play
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "record", {
                get: function() {
                    return this._record
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mode", {
                get: function() {
                    return this._mode
                },
                set: function(e) {
                    this._record ? this._modeSaved = e : this._mode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.endMainRenderPass = function() {
                this._record && this._mainPassBundleList.push(this._bundleList.clone())
            }
            ,
            e.prototype.endRenderTargetPass = function(e, t) {
                var i, n, r, o;
                if (this._play)
                    null === (n = null === (i = t._bundleLists) || void 0 === i ? void 0 : i[t._currentLayer]) || void 0 === n || n.run(e),
                    this._mode === a.SNAPSHOTRENDERING_FAST && this._engine._reportDrawCall(null === (o = null === (r = t._bundleLists) || void 0 === r ? void 0 : r[t._currentLayer]) || void 0 === o ? void 0 : o.numDrawCalls);
                else {
                    if (!this._record)
                        return !1;
                    t._bundleLists || (t._bundleLists = []),
                    t._bundleLists[t._currentLayer] = this._bundleListRenderTarget.clone(),
                    t._bundleLists[t._currentLayer].run(e),
                    this._bundleListRenderTarget.reset()
                }
                return !0
            }
            ,
            e.prototype.endFrame = function(e) {
                if (this._record && (this._mainPassBundleList.push(this._bundleList.clone()),
                this._record = !1,
                this._play = !0,
                this._mode = this._modeSaved),
                null !== e && this._play)
                    for (var t = 0; t < this._mainPassBundleList.length; ++t)
                        this._mainPassBundleList[t].run(e),
                        this._mode === a.SNAPSHOTRENDERING_FAST && this._engine._reportDrawCall(this._mainPassBundleList[t].numDrawCalls)
            }
            ,
            e.prototype.reset = function() {
                this.enabled = !1,
                this.enabled = !0
            }
            ,
            e
        }()
          , Qh = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n, r, o, a, s = this;
                if ((s = e.call(this, null) || this)._uploadEncoderDescriptor = {
                    label: "upload"
                },
                s._renderEncoderDescriptor = {
                    label: "render"
                },
                s._renderTargetEncoderDescriptor = {
                    label: "renderTarget"
                },
                s._clearDepthValue = 1,
                s._clearReverseDepthValue = 0,
                s._clearStencilValue = 0,
                s._defaultSampleCount = 4,
                s._glslang = null,
                s._tintWASM = null,
                s._compiledComputeEffects = {},
                s._counters = {
                    numEnableEffects: 0,
                    numEnableDrawWrapper: 0,
                    numBundleCreationNonCompatMode: 0,
                    numBundleReuseNonCompatMode: 0
                },
                s.countersLastFrame = {
                    numEnableEffects: 0,
                    numEnableDrawWrapper: 0,
                    numBundleCreationNonCompatMode: 0,
                    numBundleReuseNonCompatMode: 0
                },
                s.numMaxUncapturedErrors = 20,
                s._commandBuffers = [null, null, null],
                s._currentRenderPass = null,
                s._mainRenderPassWrapper = new gh,
                s._rttRenderPassWrapper = new gh,
                s._pendingDebugCommands = [],
                s._onAfterUnbindFrameBufferObservable = new h,
                s._currentOverrideVertexBuffers = null,
                s._currentIndexBuffer = null,
                s._colorWriteLocal = !0,
                s._forceEnableEffect = !1,
                s.dbgShowShaderCode = !1,
                s.dbgSanityChecks = !0,
                s.dbgVerboseLogsForFirstFrames = !1,
                s.dbgVerboseLogsNumFrames = 10,
                s.dbgLogIfNotDrawWrapper = !0,
                s.dbgShowEmptyEnableEffectCalls = !0,
                s._viewportsCurrent = [{
                    x: 0,
                    y: 0,
                    w: 0,
                    h: 0
                }, {
                    x: 0,
                    y: 0,
                    w: 0,
                    h: 0
                }],
                s._scissorsCurrent = [{
                    x: 0,
                    y: 0,
                    w: 0,
                    h: 0
                }, {
                    x: 0,
                    y: 0,
                    w: 0,
                    h: 0
                }],
                s._scissorCached = {
                    x: 0,
                    y: 0,
                    z: 0,
                    w: 0
                },
                s._stencilRefsCurrent = [-1, -1],
                s._blendColorsCurrent = [[null, null, null, null], [null, null, null, null]],
                s._name = "WebGPU",
                s.isNDCHalfZRange = !0,
                s.hasOriginBottomLeft = !1,
                i.deviceDescriptor = i.deviceDescriptor || {},
                i.swapChainFormat = i.swapChainFormat || bu.BGRA8Unorm,
                i.antialiasing = void 0 === i.antialiasing || i.antialiasing,
                i.stencil = null === (n = i.stencil) || void 0 === n || n,
                i.enableGPUDebugMarkers = null !== (r = i.enableGPUDebugMarkers) && void 0 !== r && r,
                K.Log("Babylon.js v".concat(vr.Version, " - ").concat(s.description, " engine")),
                !navigator.gpu)
                    return K.Error("WebGPU is not supported by your browser."),
                    s;
                s._isWebGPU = !0,
                s._shaderPlatformName = "WEBGPU",
                void 0 === i.deterministicLockstep && (i.deterministicLockstep = !1),
                void 0 === i.lockstepMaxSteps && (i.lockstepMaxSteps = 4),
                void 0 === i.audioEngine && (i.audioEngine = !0),
                s._deterministicLockstep = i.deterministicLockstep,
                s._lockstepMaxSteps = i.lockstepMaxSteps,
                s._timeStep = i.timeStep || 1 / 60,
                s._doNotHandleContextLost = !!i.doNotHandleContextLost,
                s._canvas = t,
                s._options = i,
                s.premultipliedAlpha = null === (o = i.premultipliedAlpha) || void 0 === o || o;
                var l = nt() && window.devicePixelRatio || 1
                  , c = i.limitDeviceRatio || l
                  , u = null !== (a = i.adaptToDeviceRatio) && void 0 !== a && a;
                return s._hardwareScalingLevel = u ? 1 / Math.min(c, l) : 1,
                s._mainPassSampleCount = i.antialiasing ? s._defaultSampleCount : 1,
                s._isStencilEnable = i.stencil,
                s._sharedInit(t, !!i.doNotHandleTouchAction, i.audioEngine),
                s._shaderProcessor = new $u,
                s._shaderProcessorWGSL = new ch,
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "snapshotRenderingMode", {
                get: function() {
                    return this._snapshotRendering.mode
                },
                set: function(e) {
                    this._snapshotRendering.mode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.snapshotRenderingReset = function() {
                this._snapshotRendering.reset()
            }
            ,
            Object.defineProperty(t.prototype, "snapshotRendering", {
                get: function() {
                    return this._snapshotRendering.enabled
                },
                set: function(e) {
                    this._snapshotRendering.enabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "disableCacheSamplers", {
                get: function() {
                    return !!this._cacheSampler && this._cacheSampler.disabled
                },
                set: function(e) {
                    this._cacheSampler && (this._cacheSampler.disabled = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "disableCacheRenderPipelines", {
                get: function() {
                    return !!this._cacheRenderPipeline && this._cacheRenderPipeline.disabled
                },
                set: function(e) {
                    this._cacheRenderPipeline && (this._cacheRenderPipeline.disabled = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "disableCacheBindGroups", {
                get: function() {
                    return !!this._cacheBindGroups && this._cacheBindGroups.disabled
                },
                set: function(e) {
                    this._cacheBindGroups && (this._cacheBindGroups.disabled = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsSupportedAsync", {
                get: function() {
                    return navigator.gpu ? navigator.gpu.requestAdapter().then((function(e) {
                        return !!e
                    }
                    ), (function() {
                        return !1
                    }
                    )).catch((function() {
                        return !1
                    }
                    )) : Promise.resolve(!1)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsSupported", {
                get: function() {
                    return K.Warn("You must call IsSupportedAsync for WebGPU!"),
                    !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "supportsUniformBuffers", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "supportedExtensions", {
                get: function() {
                    return this._adapterSupportedExtensions
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "enabledExtensions", {
                get: function() {
                    return this._deviceEnabledExtensions
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "description", {
                get: function() {
                    return this.name + this.version
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "version", {
                get: function() {
                    return 1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getInfo = function() {
                return {
                    vendor: "unknown vendor",
                    renderer: "unknown renderer",
                    version: "unknown version"
                }
            }
            ,
            Object.defineProperty(t.prototype, "compatibilityMode", {
                get: function() {
                    return this._compatibilityMode
                },
                set: function(e) {
                    this._compatibilityMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "currentSampleCount", {
                get: function() {
                    return this._currentRenderTarget ? this._currentRenderTarget.samples : this._mainPassSampleCount
                },
                enumerable: !1,
                configurable: !0
            }),
            t.CreateAsync = function(e, i) {
                void 0 === i && (i = {});
                var n = new t(e,i);
                return new Promise((function(e) {
                    n.initAsync(i.glslangOptions, i.twgslOptions).then((function() {
                        return e(n)
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.initAsync = function(e, i) {
                var n, r = this;
                return this._initGlslang(null != e ? e : null === (n = this._options) || void 0 === n ? void 0 : n.glslangOptions).then((function(e) {
                    var n;
                    return r._glslang = e,
                    r._tintWASM = t.UseTWGSL ? new Yh : null,
                    r._tintWASM ? r._tintWASM.initTwgsl(null != i ? i : null === (n = r._options) || void 0 === n ? void 0 : n.twgslOptions).then((function() {
                        return navigator.gpu.requestAdapter(r._options)
                    }
                    ), (function(e) {
                        throw K.Error("Can not initialize twgsl!"),
                        K.Error(e),
                        Error("WebGPU initializations stopped.")
                    }
                    )) : navigator.gpu.requestAdapter(r._options)
                }
                ), (function(e) {
                    throw K.Error("Can not initialize glslang!"),
                    K.Error(e),
                    Error("WebGPU initializations stopped.")
                }
                )).then((function(e) {
                    var t;
                    if (e) {
                        r._adapter = e,
                        r._adapterSupportedExtensions = [],
                        null === (t = r._adapter.features) || void 0 === t || t.forEach((function(e) {
                            return r._adapterSupportedExtensions.push(e)
                        }
                        ));
                        var i = r._options.deviceDescriptor;
                        if (null == i ? void 0 : i.requiredFeatures) {
                            for (var n = [], o = 0, a = i.requiredFeatures; o < a.length; o++) {
                                var s = a[o];
                                -1 !== r._adapterSupportedExtensions.indexOf(s) && n.push(s)
                            }
                            i.requiredFeatures = n
                        }
                        return r._adapter.requestDevice(r._options.deviceDescriptor)
                    }
                    throw "Could not retrieve a WebGPU adapter (adapter is null)."
                }
                )).then((function(e) {
                    var t, i;
                    r._device = e,
                    r._deviceEnabledExtensions = [],
                    null === (t = r._device.features) || void 0 === t || t.forEach((function(e) {
                        return r._deviceEnabledExtensions.push(e)
                    }
                    ));
                    var n = -1;
                    r._device.addEventListener("uncapturederror", (function(e) {
                        ++n < r.numMaxUncapturedErrors ? K.Warn("WebGPU uncaptured error (".concat(n + 1, "): ").concat(e.error, " - ").concat(e.error.message)) : n++ === r.numMaxUncapturedErrors && K.Warn("WebGPU uncaptured error: too many warnings (".concat(r.numMaxUncapturedErrors, "), no more warnings will be reported to the console for this engine."))
                    }
                    )),
                    r._doNotHandleContextLost || null === (i = r._device.lost) || void 0 === i || i.then((function(e) {
                        r._contextWasLost = !0,
                        K.Warn("WebGPU context lost. " + e),
                        r.onContextLostObservable.notifyObservers(r),
                        r._restoreEngineAfterContextLost(r.initAsync.bind(r))
                    }
                    ))
                }
                ), (function(e) {
                    K.Error("Could not retrieve a WebGPU device."),
                    K.Error(e)
                }
                )).then((function() {
                    r._bufferManager = new mh(r._device),
                    r._textureHelper = new fh(r._device,r._glslang,r._tintWASM,r._bufferManager),
                    r._cacheSampler = new Th(r._device),
                    r._cacheBindGroups = new Nh(r._device,r._cacheSampler,r),
                    r._timestampQuery = new Hh(r._device,r._bufferManager),
                    r._occlusionQuery = r._device.createQuerySet ? new jh(r,r._device,r._bufferManager) : void 0,
                    r._bundleList = new zh(r._device),
                    r._bundleListRenderTarget = new zh(r._device),
                    r._snapshotRendering = new Kh(r,r._snapshotRenderingMode,r._bundleList,r._bundleListRenderTarget),
                    r._ubInvertY = r._bufferManager.createBuffer(new Float32Array([-1, 0]), fu.Uniform | fu.CopyDst),
                    r._ubDontInvertY = r._bufferManager.createBuffer(new Float32Array([1, 0]), fu.Uniform | fu.CopyDst),
                    r.dbgVerboseLogsForFirstFrames && void 0 === r._count && (r._count = 0,
                    console.log("%c frame #" + r._count + " - begin", "background: #ffff00")),
                    r._uploadEncoder = r._device.createCommandEncoder(r._uploadEncoderDescriptor),
                    r._renderEncoder = r._device.createCommandEncoder(r._renderEncoderDescriptor),
                    r._renderTargetEncoder = r._device.createCommandEncoder(r._renderTargetEncoderDescriptor),
                    r._emptyVertexBuffer = new Bi(r,[0],"",!1,!1,1,!1,0,1),
                    r._initializeLimits(),
                    r._cacheRenderPipeline = new Rh(r._device,r._emptyVertexBuffer,!r._caps.textureFloatLinearFiltering),
                    r._depthCullingState = new Ph(r._cacheRenderPipeline),
                    r._stencilStateComposer = new Ch(r._cacheRenderPipeline),
                    r._stencilStateComposer.stencilGlobal = r._stencilState,
                    r._depthCullingState.depthTest = !0,
                    r._depthCullingState.depthFunc = a.LEQUAL,
                    r._depthCullingState.depthMask = !0,
                    r._textureHelper.setCommandEncoder(r._uploadEncoder),
                    r._clearQuad = new Lh(r._device,r,r._emptyVertexBuffer),
                    r._defaultDrawContext = r.createDrawContext(),
                    r._currentDrawContext = r._defaultDrawContext,
                    r._defaultMaterialContext = r.createMaterialContext(),
                    r._currentMaterialContext = r._defaultMaterialContext,
                    r._initializeContextAndSwapChain(),
                    r._initializeMainAttachments(),
                    r.resize()
                }
                )).catch((function(e) {
                    K.Error("Can not create WebGPU Device and/or context."),
                    K.Error(e),
                    console.trace && console.trace()
                }
                ))
            }
            ,
            t.prototype._initGlslang = function(e) {
                return e = e || {},
                (e = V(V({}, t._GLSLslangDefaultOptions), e)).glslang ? Promise.resolve(e.glslang) : self.glslang ? self.glslang(e.wasmPath) : e.jsPath && e.wasmPath ? nt() ? gi.LoadScriptAsync(e.jsPath).then((function() {
                    return self.glslang(e.wasmPath)
                }
                )) : (importScripts(e.jsPath),
                self.glslang(e.wasmPath)) : Promise.reject("gslang is not available.")
            }
            ,
            t.prototype._initializeLimits = function() {
                this._caps = {
                    maxTexturesImageUnits: 16,
                    maxVertexTextureImageUnits: 16,
                    maxCombinedTexturesImageUnits: 32,
                    maxTextureSize: 8192,
                    maxCubemapTextureSize: 2048,
                    maxRenderTextureSize: 8192,
                    maxVertexAttribs: 16,
                    maxVaryingVectors: 15,
                    maxFragmentUniformVectors: 1024,
                    maxVertexUniformVectors: 1024,
                    standardDerivatives: !0,
                    astc: this._deviceEnabledExtensions.indexOf(pu.TextureCompressionASTC) >= 0 || void 0,
                    s3tc: this._deviceEnabledExtensions.indexOf(pu.TextureCompressionBC) >= 0 || void 0,
                    pvrtc: null,
                    etc1: null,
                    etc2: this._deviceEnabledExtensions.indexOf(pu.TextureCompressionETC2) >= 0 || void 0,
                    bptc: this._deviceEnabledExtensions.indexOf(pu.TextureCompressionBC) >= 0 || void 0,
                    maxAnisotropy: 4,
                    uintIndices: !0,
                    fragmentDepthSupported: !0,
                    highPrecisionShaderSupported: !0,
                    colorBufferFloat: !0,
                    textureFloat: !0,
                    textureFloatLinearFiltering: !1,
                    textureFloatRender: !0,
                    textureHalfFloat: !0,
                    textureHalfFloatLinearFiltering: !0,
                    textureHalfFloatRender: !0,
                    textureLOD: !0,
                    drawBuffersExtension: !0,
                    depthTextureExtension: !0,
                    vertexArrayObject: !1,
                    instancedArrays: !0,
                    timerQuery: "undefined" != typeof BigUint64Array && -1 !== this.enabledExtensions.indexOf(pu.TimestampQuery) || void 0,
                    supportOcclusionQuery: "undefined" != typeof BigUint64Array,
                    canUseTimestampForTimerQuery: !0,
                    multiview: !1,
                    oculusMultiview: !1,
                    parallelShaderCompile: void 0,
                    blendMinMax: !0,
                    maxMSAASamples: 4,
                    canUseGLInstanceID: !0,
                    canUseGLVertexID: !0,
                    supportComputeShaders: !0,
                    supportSRGBBuffers: !0,
                    supportTransformFeedbacks: !1,
                    textureMaxLevel: !0
                },
                this._caps.parallelShaderCompile = null,
                this._features = {
                    forceBitmapOverHTMLImageElement: !0,
                    supportRenderAndCopyToLodForFloatTextures: !0,
                    supportDepthStencilTexture: !0,
                    supportShadowSamplers: !0,
                    uniformBufferHardCheckMatrix: !1,
                    allowTexturePrefiltering: !0,
                    trackUbosInFrame: !0,
                    checkUbosContentBeforeUpload: !0,
                    supportCSM: !0,
                    basisNeedsPOT: !1,
                    support3DTextures: !0,
                    needTypeSuffixInShaderConstants: !0,
                    supportMSAA: !0,
                    supportSSAO2: !0,
                    supportExtendedTextureFormats: !0,
                    supportSwitchCaseInShader: !0,
                    supportSyncTextureRead: !1,
                    needsInvertingBitmap: !1,
                    useUBOBindingCache: !1,
                    needShaderCodeInlining: !0,
                    needToAlwaysBindUniformBuffers: !0,
                    supportRenderPasses: !0,
                    _collectUbosUpdatedInFrame: !1
                }
            }
            ,
            t.prototype._initializeContextAndSwapChain = function() {
                this._context = this._canvas.getContext("webgpu"),
                this._configureContext(this._canvas.width, this._canvas.height),
                this._colorFormat = this._options.swapChainFormat,
                this._mainRenderPassWrapper.colorAttachmentGPUTextures = [new uh],
                this._mainRenderPassWrapper.colorAttachmentGPUTextures[0].format = this._colorFormat
            }
            ,
            t.prototype._initializeMainAttachments = function() {
                var e;
                this._mainTextureExtends = {
                    width: this.getRenderWidth(),
                    height: this.getRenderHeight(),
                    depthOrArrayLayers: 1
                };
                var t, i = new Float32Array([this.getRenderHeight()]);
                if (this._bufferManager.setSubData(this._ubInvertY, 4, i),
                this._bufferManager.setSubData(this._ubDontInvertY, 4, i),
                this._options.antialiasing) {
                    var n = {
                        size: this._mainTextureExtends,
                        mipLevelCount: 1,
                        sampleCount: this._mainPassSampleCount,
                        dimension: mu.E2d,
                        format: this._options.swapChainFormat,
                        usage: gu.RenderAttachment
                    };
                    null === (e = this._mainTexture) || void 0 === e || e.destroy(),
                    this._mainTexture = this._device.createTexture(n),
                    t = [{
                        view: this._mainTexture.createView(),
                        clearValue: new N(0,0,0,1),
                        loadOp: zu.Clear,
                        storeOp: Wu.Store
                    }]
                } else
                    t = [{
                        view: void 0,
                        clearValue: new N(0,0,0,1),
                        loadOp: zu.Clear,
                        storeOp: Wu.Store
                    }];
                this._mainRenderPassWrapper.depthTextureFormat = this.isStencilEnable ? bu.Depth24PlusStencil8 : bu.Depth32Float,
                this._setDepthTextureFormat(this._mainRenderPassWrapper);
                var r = {
                    size: this._mainTextureExtends,
                    mipLevelCount: 1,
                    sampleCount: this._mainPassSampleCount,
                    dimension: mu.E2d,
                    format: this._mainRenderPassWrapper.depthTextureFormat,
                    usage: gu.RenderAttachment
                };
                this._depthTexture && this._depthTexture.destroy(),
                this._depthTexture = this._device.createTexture(r);
                var o = {
                    view: this._depthTexture.createView(),
                    depthClearValue: this._clearDepthValue,
                    depthLoadOp: zu.Clear,
                    depthStoreOp: Wu.Store,
                    stencilClearValue: this._clearStencilValue,
                    stencilLoadOp: zu.Clear,
                    stencilStoreOp: Wu.Store
                };
                this._mainRenderPassWrapper.renderPassDescriptor = {
                    colorAttachments: t,
                    depthStencilAttachment: o
                },
                null !== this._mainRenderPassWrapper.renderPass && this._endMainRenderPass()
            }
            ,
            t.prototype._configureContext = function(e, t) {
                this._context.configure({
                    device: this._device,
                    format: this._options.swapChainFormat,
                    usage: gu.RenderAttachment | gu.CopySrc,
                    compositingAlphaMode: this.premultipliedAlpha ? Xu.Premultiplied : Xu.Opaque,
                    size: {
                        width: e,
                        height: t,
                        depthOrArrayLayers: 1
                    }
                })
            }
            ,
            t.prototype.setSize = function(t, i, n) {
                return void 0 === n && (n = !1),
                !!e.prototype.setSize.call(this, t, i, n) && (this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - setSize called -", t, i)),
                this._configureContext(t, i),
                this._initializeMainAttachments(),
                this.snapshotRendering && this.snapshotRenderingReset(),
                !0)
            }
            ,
            t.prototype._getShaderProcessor = function(e) {
                return e === st.WGSL ? this._shaderProcessorWGSL : this._shaderProcessor
            }
            ,
            t.prototype._getShaderProcessingContext = function(e) {
                return new Ju(e)
            }
            ,
            t.prototype.applyStates = function() {
                this._stencilStateComposer.apply(),
                this._cacheRenderPipeline.setAlphaBlendEnabled(this._alphaState.alphaBlend)
            }
            ,
            t.prototype.wipeCaches = function(e) {
                this.preventCacheWipeBetweenFrames && !e || (this._forceEnableEffect = !0,
                this._currentIndexBuffer = null,
                this._currentOverrideVertexBuffers = null,
                this._cacheRenderPipeline.setBuffers(null, null, null),
                e && (this._stencilStateComposer.reset(),
                this._depthCullingState.reset(),
                this._depthCullingState.depthFunc = a.LEQUAL,
                this._alphaState.reset(),
                this._alphaMode = a.ALPHA_ADD,
                this._alphaEquation = a.ALPHA_DISABLE,
                this._cacheRenderPipeline.setAlphaBlendFactors(this._alphaState._blendFunctionParameters, this._alphaState._blendEquationParameters),
                this._cacheRenderPipeline.setAlphaBlendEnabled(!1),
                this.setColorWrite(!0)),
                this._cachedVertexBuffers = null,
                this._cachedIndexBuffer = null,
                this._cachedEffectForVertexBuffers = null)
            }
            ,
            t.prototype.setColorWrite = function(e) {
                this._colorWriteLocal = e,
                this._cacheRenderPipeline.setWriteMask(e ? 15 : 0)
            }
            ,
            t.prototype.getColorWrite = function() {
                return this._colorWriteLocal
            }
            ,
            t.prototype._resetCurrentViewport = function(e) {
                this._viewportsCurrent[e].x = 0,
                this._viewportsCurrent[e].y = 0,
                this._viewportsCurrent[e].w = 0,
                this._viewportsCurrent[e].h = 0,
                1 === e && (this._viewportCached.x = 0,
                this._viewportCached.y = 0,
                this._viewportCached.z = 0,
                this._viewportCached.w = 0)
            }
            ,
            t.prototype._mustUpdateViewport = function(e) {
                var t = e === this._mainRenderPassWrapper.renderPass ? 0 : 1
                  , i = this._viewportCached.x
                  , n = this._viewportCached.y
                  , r = this._viewportCached.z
                  , o = this._viewportCached.w
                  , a = this._viewportsCurrent[t].x !== i || this._viewportsCurrent[t].y !== n || this._viewportsCurrent[t].w !== r || this._viewportsCurrent[t].h !== o;
                return a && (this._viewportsCurrent[t].x = this._viewportCached.x,
                this._viewportsCurrent[t].y = this._viewportCached.y,
                this._viewportsCurrent[t].w = this._viewportCached.z,
                this._viewportsCurrent[t].h = this._viewportCached.w),
                a
            }
            ,
            t.prototype._applyViewport = function(e) {
                var t = Math.floor(this._viewportCached.y)
                  , i = Math.floor(this._viewportCached.w);
                this._currentRenderTarget || (t = this.getRenderHeight() - t - i),
                e.setViewport(Math.floor(this._viewportCached.x), t, Math.floor(this._viewportCached.z), i, 0, 1),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - viewport applied - (", this._viewportCached.x, this._viewportCached.y, this._viewportCached.z, this._viewportCached.w, ") current pass is main pass=" + (e === this._mainRenderPassWrapper.renderPass)))
            }
            ,
            t.prototype._viewport = function(e, t, i, n) {
                this._viewportCached.x = e,
                this._viewportCached.y = t,
                this._viewportCached.z = i,
                this._viewportCached.w = n
            }
            ,
            t.prototype._resetCurrentScissor = function(e) {
                this._scissorsCurrent[e].x = 0,
                this._scissorsCurrent[e].y = 0,
                this._scissorsCurrent[e].w = 0,
                this._scissorsCurrent[e].h = 0
            }
            ,
            t.prototype._mustUpdateScissor = function(e) {
                var t = e === this._mainRenderPassWrapper.renderPass ? 0 : 1
                  , i = this._scissorCached.x
                  , n = this._scissorCached.y
                  , r = this._scissorCached.z
                  , o = this._scissorCached.w
                  , a = this._scissorsCurrent[t].x !== i || this._scissorsCurrent[t].y !== n || this._scissorsCurrent[t].w !== r || this._scissorsCurrent[t].h !== o;
                return a && (this._scissorsCurrent[t].x = this._scissorCached.x,
                this._scissorsCurrent[t].y = this._scissorCached.y,
                this._scissorsCurrent[t].w = this._scissorCached.z,
                this._scissorsCurrent[t].h = this._scissorCached.w),
                a
            }
            ,
            t.prototype._applyScissor = function(e) {
                e.setScissorRect(this._scissorCached.x, this._currentRenderTarget ? this._scissorCached.y : this.getRenderHeight() - this._scissorCached.w - this._scissorCached.y, this._scissorCached.z, this._scissorCached.w),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - scissor applied - (", this._scissorCached.x, this._scissorCached.y, this._scissorCached.z, this._scissorCached.w, ") current pass is main pass=" + (e === this._mainRenderPassWrapper.renderPass)))
            }
            ,
            t.prototype._scissorIsActive = function() {
                return 0 !== this._scissorCached.x || 0 !== this._scissorCached.y || 0 !== this._scissorCached.z || 0 !== this._scissorCached.w
            }
            ,
            t.prototype.enableScissor = function(e, t, i, n) {
                this._scissorCached.x = e,
                this._scissorCached.y = t,
                this._scissorCached.z = i,
                this._scissorCached.w = n
            }
            ,
            t.prototype.disableScissor = function() {
                this._scissorCached.x = 0,
                this._scissorCached.y = 0,
                this._scissorCached.z = 0,
                this._scissorCached.w = 0,
                this._resetCurrentScissor(0),
                this._resetCurrentScissor(1)
            }
            ,
            t.prototype._resetCurrentStencilRef = function(e) {
                this._stencilRefsCurrent[e] = -1
            }
            ,
            t.prototype._mustUpdateStencilRef = function(e) {
                var t = e === this._mainRenderPassWrapper.renderPass ? 0 : 1
                  , i = this._stencilStateComposer.funcRef !== this._stencilRefsCurrent[t];
                return i && (this._stencilRefsCurrent[t] = this._stencilStateComposer.funcRef),
                i
            }
            ,
            t.prototype._applyStencilRef = function(e) {
                var t;
                e.setStencilReference(null !== (t = this._stencilStateComposer.funcRef) && void 0 !== t ? t : 0)
            }
            ,
            t.prototype._resetCurrentColorBlend = function(e) {
                this._blendColorsCurrent[e][0] = this._blendColorsCurrent[e][1] = this._blendColorsCurrent[e][2] = this._blendColorsCurrent[e][3] = null
            }
            ,
            t.prototype._mustUpdateBlendColor = function(e) {
                var t = e === this._mainRenderPassWrapper.renderPass ? 0 : 1
                  , i = this._alphaState._blendConstants
                  , n = i[0] !== this._blendColorsCurrent[t][0] || i[1] !== this._blendColorsCurrent[t][1] || i[2] !== this._blendColorsCurrent[t][2] || i[3] !== this._blendColorsCurrent[t][3];
                return n && (this._blendColorsCurrent[t][0] = i[0],
                this._blendColorsCurrent[t][1] = i[1],
                this._blendColorsCurrent[t][2] = i[2],
                this._blendColorsCurrent[t][3] = i[3]),
                n
            }
            ,
            t.prototype._applyBlendColor = function(e) {
                e.setBlendConstant(this._alphaState._blendConstants)
            }
            ,
            t.prototype.clear = function(e, t, i, n) {
                void 0 === n && (n = !1),
                e && void 0 === e.a && (e.a = 1);
                var r = this._scissorIsActive();
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - clear called - backBuffer=", t, " depth=", i, " stencil=", n, " scissor is active=", r)),
                this._currentRenderTarget ? r ? (this._rttRenderPassWrapper.renderPass || this._startRenderTargetRenderPass(this._currentRenderTarget, !1, t ? e : null, i, n),
                this.compatibilityMode ? this._applyScissor(this._currentRenderPass) : this._bundleListRenderTarget.addItem(new wh(this._scissorCached.x,this._scissorCached.y,this._scissorCached.z,this._scissorCached.w)),
                this._clearFullQuad(t ? e : null, i, n)) : (this._currentRenderPass && this._endRenderTargetRenderPass(),
                this._startRenderTargetRenderPass(this._currentRenderTarget, !0, t ? e : null, i, n)) : (this._mainRenderPassWrapper.renderPass && r || this._startMainRenderPass(!r, t ? e : null, i, n),
                r && (this.compatibilityMode ? this._applyScissor(this._currentRenderPass) : this._bundleList.addItem(new wh(this._scissorCached.x,this._scissorCached.y,this._scissorCached.z,this._scissorCached.w)),
                this._clearFullQuad(t ? e : null, i, n)))
            }
            ,
            t.prototype._clearFullQuad = function(e, t, i) {
                var n, r, o, a = this.compatibilityMode ? this._getCurrentRenderPass() : null, s = 0 === this._getCurrentRenderPassIndex() ? this._bundleList : this._bundleListRenderTarget;
                this._clearQuad.setColorFormat(this._colorFormat),
                this._clearQuad.setDepthStencilFormat(this._depthTextureFormat),
                this._clearQuad.setMRTAttachments(null !== (n = this._cacheRenderPipeline.mrtAttachments) && void 0 !== n ? n : [], null !== (r = this._cacheRenderPipeline.mrtTextureArray) && void 0 !== r ? r : [], this._cacheRenderPipeline.mrtTextureCount),
                this.compatibilityMode ? a.setStencilReference(this._clearStencilValue) : s.addItem(new Bh(this._clearStencilValue));
                var l = this._clearQuad.clear(a, e, t, i, this.currentSampleCount);
                this.compatibilityMode ? this._applyStencilRef(a) : (s.addBundle(l),
                s.addItem(new Bh(null !== (o = this._stencilStateComposer.funcRef) && void 0 !== o ? o : 0)),
                this._reportDrawCall())
            }
            ,
            t.prototype.createVertexBuffer = function(e) {
                var t;
                return t = e instanceof Array ? new Float32Array(e) : e instanceof ArrayBuffer ? new Uint8Array(e) : e,
                this._bufferManager.createBuffer(t, fu.Vertex | fu.CopyDst)
            }
            ,
            t.prototype.createDynamicVertexBuffer = function(e) {
                return this.createVertexBuffer(e)
            }
            ,
            t.prototype.createIndexBuffer = function(e) {
                var t, i = !0;
                e instanceof Uint32Array || e instanceof Int32Array ? t = e : e instanceof Uint16Array ? (t = e,
                i = !1) : e.length > 65535 ? t = new Uint32Array(e) : (t = new Uint16Array(e),
                i = !1);
                var n = this._bufferManager.createBuffer(t, fu.Index | fu.CopyDst);
                return n.is32Bits = i,
                n
            }
            ,
            t.prototype._createBuffer = function(e, t) {
                var i;
                i = e instanceof Array ? new Float32Array(e) : e instanceof ArrayBuffer ? new Uint8Array(e) : e;
                var n = 0;
                return t & a.BUFFER_CREATIONFLAG_READ && (n |= fu.CopySrc),
                t & a.BUFFER_CREATIONFLAG_WRITE && (n |= fu.CopyDst),
                t & a.BUFFER_CREATIONFLAG_UNIFORM && (n |= fu.Uniform),
                t & a.BUFFER_CREATIONFLAG_VERTEX && (n |= fu.Vertex),
                t & a.BUFFER_CREATIONFLAG_INDEX && (n |= fu.Index),
                t & a.BUFFER_CREATIONFLAG_STORAGE && (n |= fu.Storage),
                this._bufferManager.createBuffer(i, n)
            }
            ,
            t.prototype.bindBuffersDirectly = function() {
                throw "Not implemented on WebGPU"
            }
            ,
            t.prototype.updateAndBindInstancesBuffer = function() {
                throw "Not implemented on WebGPU"
            }
            ,
            t.prototype.bindBuffers = function(e, t, i, n) {
                this._currentIndexBuffer = t,
                this._currentOverrideVertexBuffers = null != n ? n : null,
                this._cacheRenderPipeline.setBuffers(e, t, this._currentOverrideVertexBuffers)
            }
            ,
            t.prototype._releaseBuffer = function(e) {
                return this._bufferManager.releaseBuffer(e)
            }
            ,
            t.prototype.createEffect = function(e, t, i, n, r, o, a, s, l, c) {
                var u;
                void 0 === c && (c = st.GLSL);
                var h = e.vertexElement || e.vertex || e.vertexToken || e.vertexSource || e
                  , d = e.fragmentElement || e.fragment || e.fragmentToken || e.fragmentSource || e
                  , p = this._getGlobalDefines()
                  , f = null !== (u = null != r ? r : t.defines) && void 0 !== u ? u : "";
                p && (f += "\n" + p);
                var _ = h + "+" + d + "@" + f;
                if (this._compiledEffects[_]) {
                    var m = this._compiledEffects[_];
                    return a && m.isReady() && a(m),
                    m
                }
                var g = new Mt(e,t,i,n,this,r,o,a,s,l,_,c);
                return this._compiledEffects[_] = g,
                g
            }
            ,
            t.prototype._compileRawShaderToSpirV = function(e, t) {
                return this._glslang.compileGLSL(e, t)
            }
            ,
            t.prototype._compileShaderToSpirV = function(e, t, i, n) {
                return this._compileRawShaderToSpirV(n + (i ? i + "\n" : "") + e, t)
            }
            ,
            t.prototype._getWGSLShader = function(e, t, i) {
                return (i = i ? "//" + i.split("\n").join("\n//") + "\n" : "") + e
            }
            ,
            t.prototype._createPipelineStageDescriptor = function(e, t, i) {
                return this._tintWASM && i === st.GLSL && (e = this._tintWASM.convertSpirV2WGSL(e),
                t = this._tintWASM.convertSpirV2WGSL(t)),
                {
                    vertexStage: {
                        module: this._device.createShaderModule({
                            code: e
                        }),
                        entryPoint: "main"
                    },
                    fragmentStage: {
                        module: this._device.createShaderModule({
                            code: t
                        }),
                        entryPoint: "main"
                    }
                }
            }
            ,
            t.prototype._compileRawPipelineStageDescriptor = function(e, t, i) {
                var n = i === st.GLSL ? this._compileRawShaderToSpirV(e, "vertex") : e
                  , r = i === st.GLSL ? this._compileRawShaderToSpirV(t, "fragment") : t;
                return this._createPipelineStageDescriptor(n, r, i)
            }
            ,
            t.prototype._compilePipelineStageDescriptor = function(e, t, i, n) {
                this.onBeforeShaderCompilationObservable.notifyObservers(this);
                var r = "#version 450\n"
                  , o = n === st.GLSL ? this._compileShaderToSpirV(e, "vertex", i, r) : this._getWGSLShader(e, "vertex", i)
                  , a = n === st.GLSL ? this._compileShaderToSpirV(t, "fragment", i, r) : this._getWGSLShader(t, "fragment", i)
                  , s = this._createPipelineStageDescriptor(o, a, n);
                return this.onAfterShaderCompilationObservable.notifyObservers(this),
                s
            }
            ,
            t.prototype.createRawShaderProgram = function() {
                throw "Not available on WebGPU"
            }
            ,
            t.prototype.createShaderProgram = function() {
                throw "Not available on WebGPU"
            }
            ,
            t.prototype.inlineShaderCode = function(e) {
                var t = new iu(e);
                return t.debug = !1,
                t.processCode(),
                t.code
            }
            ,
            t.prototype.createPipelineContext = function(e) {
                return new qu(e,this)
            }
            ,
            t.prototype.createMaterialContext = function() {
                return new Ih
            }
            ,
            t.prototype.createDrawContext = function() {
                return new Oh(this._bufferManager)
            }
            ,
            t.prototype._preparePipelineContext = function(e, t, i, n, r, o, a, s) {
                var l = e
                  , c = l.shaderProcessingContext.shaderLanguage;
                this.dbgShowShaderCode && (console.log(s),
                console.log(t),
                console.log(i)),
                l.sources = {
                    fragment: i,
                    vertex: t,
                    rawVertex: r,
                    rawFragment: o
                },
                l.stages = n ? this._compileRawPipelineStageDescriptor(t, i, c) : this._compilePipelineStageDescriptor(t, i, s, c)
            }
            ,
            t.prototype.getAttributes = function(e, t) {
                for (var i = new Array(t.length), n = e, r = 0; r < t.length; r++) {
                    var o = t[r]
                      , a = n.shaderProcessingContext.availableAttributes[o];
                    void 0 !== a && (i[r] = a)
                }
                return i
            }
            ,
            t.prototype.enableEffect = function(e) {
                if (e) {
                    var t = !0;
                    if (Gt.IsWrapper(e)) {
                        if (!e.effect || e.effect === this._currentEffect && e.materialContext === this._currentMaterialContext && e.drawContext === this._currentDrawContext && !this._forceEnableEffect) {
                            if (!e.effect && this.dbgShowEmptyEnableEffectCalls)
                                throw console.error("drawWrapper=", e),
                                "Invalid call to enableEffect: the effect property is empty!";
                            return
                        }
                        if (t = e.effect !== this._currentEffect,
                        this._currentEffect = e.effect,
                        this._currentMaterialContext = e.materialContext,
                        this._currentDrawContext = e.drawContext,
                        this._counters.numEnableDrawWrapper++,
                        !this._currentMaterialContext)
                            throw console.error("drawWrapper=", e),
                            "Invalid call to enableEffect: the materialContext property is empty!"
                    } else
                        t = e !== this._currentEffect,
                        this._currentEffect = e,
                        this._currentMaterialContext = this._defaultMaterialContext,
                        this._currentDrawContext = this._defaultDrawContext,
                        this._counters.numEnableEffects++,
                        this.dbgLogIfNotDrawWrapper && K.Warn("enableEffect has been called with an Effect and not a Wrapper! effect.uniqueId=".concat(e.uniqueId, ", effect.name=").concat(e.name, ", effect.name.vertex=").concat(e.name.vertex, ", effect.name.fragment=").concat(e.name.fragment), 10);
                    this._stencilStateComposer.stencilMaterial = void 0,
                    this._forceEnableEffect = !t && !this._forceEnableEffect && this._forceEnableEffect,
                    t && (this._currentEffect.onBind && this._currentEffect.onBind(this._currentEffect),
                    this._currentEffect._onBindObservable && this._currentEffect._onBindObservable.notifyObservers(this._currentEffect))
                }
            }
            ,
            t.prototype._releaseEffect = function(e) {
                this._compiledEffects[e._key] && (delete this._compiledEffects[e._key],
                this._deletePipelineContext(e.getPipelineContext()))
            }
            ,
            t.prototype.releaseEffects = function() {
                for (var e in this._compiledEffects) {
                    var t = this._compiledEffects[e].getPipelineContext();
                    this._deletePipelineContext(t)
                }
                this._compiledEffects = {}
            }
            ,
            t.prototype._deletePipelineContext = function(e) {
                e && e.dispose()
            }
            ,
            Object.defineProperty(t.prototype, "needPOTTextures", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._createHardwareTexture = function() {
                return new uh
            }
            ,
            t.prototype._releaseTexture = function(e) {
                var t = this._internalTexturesCache.indexOf(e);
                -1 !== t && this._internalTexturesCache.splice(t, 1),
                this._textureHelper.releaseTexture(e)
            }
            ,
            t.prototype._getRGBABufferInternalSizedFormat = function() {
                return a.TEXTUREFORMAT_RGBA
            }
            ,
            t.prototype.updateTextureComparisonFunction = function(e, t) {
                e._comparisonFunction = t
            }
            ,
            t.prototype._createInternalTexture = function(e, t, i, n) {
                var r, o;
                void 0 === i && (i = !0),
                void 0 === n && (n = At.Unknown);
                var s = {};
                void 0 !== t && "object" == typeof t ? (s.generateMipMaps = t.generateMipMaps,
                s.type = void 0 === t.type ? a.TEXTURETYPE_UNSIGNED_INT : t.type,
                s.samplingMode = void 0 === t.samplingMode ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : t.samplingMode,
                s.format = void 0 === t.format ? a.TEXTUREFORMAT_RGBA : t.format,
                s.samples = null !== (r = t.samples) && void 0 !== r ? r : 1,
                s.creationFlags = null !== (o = t.creationFlags) && void 0 !== o ? o : 0) : (s.generateMipMaps = t,
                s.type = a.TEXTURETYPE_UNSIGNED_INT,
                s.samplingMode = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                s.format = a.TEXTUREFORMAT_RGBA,
                s.samples = 1,
                s.creationFlags = 0),
                (s.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (s.type !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (s.samplingMode = a.TEXTURE_NEAREST_SAMPLINGMODE),
                s.type !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (s.type = a.TEXTURETYPE_UNSIGNED_INT,
                K.Warn("Float textures are not supported. Type forced to TEXTURETYPE_UNSIGNED_BYTE"));
                var l = new Lt(this,n)
                  , c = e.width || e
                  , u = e.height || e
                  , h = e.layers || 0;
                return l.baseWidth = c,
                l.baseHeight = u,
                l.width = c,
                l.height = u,
                l.depth = h,
                l.isReady = !0,
                l.samples = s.samples,
                l.generateMipMaps = !!s.generateMipMaps,
                l.samplingMode = s.samplingMode,
                l.type = s.type,
                l.format = s.format,
                l.is2DArray = h > 0,
                l._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
                l._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
                this._internalTexturesCache.push(l),
                i || this._textureHelper.createGPUTextureForInternalTexture(l, c, u, h || 1, s.creationFlags),
                l
            }
            ,
            t.prototype.createTexture = function(e, t, i, n, r, o, s, l, c, u, h, d, p, f, _) {
                var m = this;
                return void 0 === r && (r = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === o && (o = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                void 0 === h && (h = null),
                this._createTextureBase(e, t, i, n, r, o, s, (function(e, t, i, n, r, o, a, s) {
                    var l, c = n;
                    if (e.baseWidth = c.width,
                    e.baseHeight = c.height,
                    e.width = c.width,
                    e.height = c.height,
                    e.format = null != u ? u : -1,
                    s(e.width, e.height, c, t, e, (function() {}
                    )),
                    null === (l = e._hardwareTexture) || void 0 === l ? void 0 : l.underlyingResource)
                        o || a || m._generateMipmaps(e, m._uploadEncoder);
                    else {
                        var h = m._textureHelper.createGPUTextureForInternalTexture(e, c.width, c.height, void 0, f);
                        fh.IsImageBitmap(c) && (m._textureHelper.updateTexture(c, e, c.width, c.height, e.depth, h.format, 0, 0, r, !1, 0, 0),
                        o || a || m._generateMipmaps(e, m._uploadEncoder))
                    }
                    i && i._removePendingData(e),
                    e.isReady = !0,
                    e.onLoadedObservable.notifyObservers(e),
                    e.onLoadedObservable.clear()
                }
                ), (function() {
                    return !1
                }
                ), l, c, u, h, d, p, _)
            }
            ,
            t.prototype.generateMipMapsForCubemap = function(e) {
                var t;
                e.generateMipMaps && ((null === (t = e._hardwareTexture) || void 0 === t ? void 0 : t.underlyingResource) || this._textureHelper.createGPUTextureForInternalTexture(e),
                this._generateMipmaps(e, e.source === At.RenderTarget || e.source === At.MultiRenderTarget ? this._renderTargetEncoder : void 0))
            }
            ,
            t.prototype.updateTextureSamplingMode = function(e, t, i) {
                void 0 === i && (i = !1),
                i && (t.generateMipMaps = !0,
                this._generateMipmaps(t)),
                t.samplingMode = e
            }
            ,
            t.prototype.updateTextureWrappingMode = function(e, t, i, n) {
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                null !== t && (e._cachedWrapU = t),
                null !== i && (e._cachedWrapV = i),
                (e.is2DArray || e.is3D) && null !== n && (e._cachedWrapR = n)
            }
            ,
            t.prototype.updateTextureDimensions = function(e, t, i, n) {
                if (void 0 === n && (n = 1),
                e._hardwareTexture && (e.width !== t || e.height !== i || e.depth !== n)) {
                    var r = e._hardwareTexture.textureAdditionalUsages;
                    e._hardwareTexture.release(),
                    this._textureHelper.createGPUTextureForInternalTexture(e, t, i, n, r)
                }
            }
            ,
            t.prototype._setInternalTexture = function(e, t, i) {
                if (i = null != i ? i : e,
                this._currentEffect) {
                    var n = this._currentEffect._pipelineContext.shaderProcessingContext.availableTextures[i];
                    if (this._currentMaterialContext.setTexture(e, t),
                    n && n.autoBindSampler) {
                        var r = i + Qu.AutoSamplerSuffix;
                        this._currentMaterialContext.setSampler(r, t)
                    }
                }
            }
            ,
            t.prototype.setTexture = function(e, t, i, n) {
                this._setTexture(e, i, !1, !1, n, n)
            }
            ,
            t.prototype.setTextureArray = function(e, t, i, n) {
                for (var r = 0; r < i.length; r++)
                    this._setTexture(-1, i[r], !0, !1, n + r.toString(), n)
            }
            ,
            t.prototype._setTexture = function(e, t, i, n, r, o) {
                if (void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                void 0 === r && (r = ""),
                o = null != o ? o : r,
                this._currentEffect) {
                    if (!t)
                        return this._currentMaterialContext.setTexture(r, null),
                        !1;
                    if (t.video)
                        t.update();
                    else if (t.delayLoadState === a.DELAYLOADSTATE_NOTLOADED)
                        return t.delayLoad(),
                        !1;
                    var s = null;
                    if ((s = n ? t.depthStencilTexture : t.isReady() ? t.getInternalTexture() : t.isCube ? this.emptyCubeTexture : t.is3D ? this.emptyTexture3D : t.is2DArray ? this.emptyTexture2DArray : this.emptyTexture) && !s.isMultiview) {
                        if (s.isCube && s._cachedCoordinatesMode !== t.coordinatesMode) {
                            s._cachedCoordinatesMode = t.coordinatesMode;
                            var l = t.coordinatesMode !== a.TEXTURE_CUBIC_MODE && t.coordinatesMode !== a.TEXTURE_SKYBOX_MODE ? a.TEXTURE_WRAP_ADDRESSMODE : a.TEXTURE_CLAMP_ADDRESSMODE;
                            t.wrapU = l,
                            t.wrapV = l
                        }
                        s._cachedWrapU = t.wrapU,
                        s._cachedWrapV = t.wrapV,
                        s.is3D && (s._cachedWrapR = t.wrapR),
                        this._setAnisotropicLevel(0, s, t.anisotropicFilteringLevel)
                    }
                    this._setInternalTexture(r, s, o)
                } else
                    this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                    (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - _setTexture called with a null _currentEffect! texture=", t));
                return !0
            }
            ,
            t.prototype._setAnisotropicLevel = function(e, t, i) {
                t._cachedAnisotropicFilteringLevel !== i && (t._cachedAnisotropicFilteringLevel = Math.min(i, this._caps.maxAnisotropy))
            }
            ,
            t.prototype._bindTexture = function(e, t, i) {
                void 0 !== e && this._setInternalTexture(i, t)
            }
            ,
            t.prototype.generateMipmaps = function(e) {
                this._generateMipmaps(e, this._renderTargetEncoder)
            }
            ,
            t.prototype._generateMipmaps = function(e, t) {
                var i = e._hardwareTexture;
                if (i) {
                    t = null != t ? t : this._currentRenderTarget && !this._currentRenderPass ? this._renderTargetEncoder : this._currentRenderPass ? this._uploadEncoder : this._renderEncoder;
                    var n = e._hardwareTexture.format
                      , r = fh.ComputeNumMipmapLevels(e.width, e.height);
                    this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                    (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - generate mipmaps called - width=", e.width, "height=", e.height, "isCube=", e.isCube)),
                    e.isCube ? this._textureHelper.generateCubeMipmaps(i, n, r, t) : this._textureHelper.generateMipmaps(i, n, r, 0, t)
                }
            }
            ,
            t.prototype.updateTextureData = function(e, t, i, n, r, o, a, s) {
                var l;
                void 0 === a && (a = 0),
                void 0 === s && (s = 0);
                var c = e._hardwareTexture;
                (null === (l = e._hardwareTexture) || void 0 === l ? void 0 : l.underlyingResource) || (c = this._textureHelper.createGPUTextureForInternalTexture(e));
                var u = new Uint8Array(t.buffer,t.byteOffset,t.byteLength);
                this._textureHelper.updateTexture(u, e, r, o, e.depth, c.format, a, s, e.invertY, !1, i, n)
            }
            ,
            t.prototype._uploadCompressedDataToTextureDirectly = function(e, t, i, n, r, o, a) {
                var s;
                void 0 === o && (o = 0),
                void 0 === a && (a = 0);
                var l = e._hardwareTexture;
                (null === (s = e._hardwareTexture) || void 0 === s ? void 0 : s.underlyingResource) || (e.format = t,
                l = this._textureHelper.createGPUTextureForInternalTexture(e, i, n));
                var c = new Uint8Array(r.buffer,r.byteOffset,r.byteLength);
                this._textureHelper.updateTexture(c, e, i, n, e.depth, l.format, o, a, !1, !1, 0, 0)
            }
            ,
            t.prototype._uploadDataToTextureDirectly = function(e, t, i, n, r, o) {
                var a;
                void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                void 0 === o && (o = !1);
                var s = Math.round(Math.log(e.width) * Math.LOG2E)
                  , l = Math.round(Math.log(e.height) * Math.LOG2E)
                  , c = o ? e.width : Math.pow(2, Math.max(s - n, 0))
                  , u = o ? e.height : Math.pow(2, Math.max(l - n, 0))
                  , h = e._hardwareTexture;
                (null === (a = e._hardwareTexture) || void 0 === a ? void 0 : a.underlyingResource) || (h = this._textureHelper.createGPUTextureForInternalTexture(e, c, u));
                var d = new Uint8Array(t.buffer,t.byteOffset,t.byteLength);
                this._textureHelper.updateTexture(d, e, c, u, e.depth, h.format, i, n, e.invertY, !1, 0, 0)
            }
            ,
            t.prototype._uploadArrayBufferViewToTexture = function(e, t, i, n) {
                void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                this._uploadDataToTextureDirectly(e, t, i, n)
            }
            ,
            t.prototype._uploadImageToTexture = function(e, t, i, n) {
                var r;
                void 0 === i && (i = 0),
                void 0 === n && (n = 0);
                var o = e._hardwareTexture;
                (null === (r = e._hardwareTexture) || void 0 === r ? void 0 : r.underlyingResource) || (o = this._textureHelper.createGPUTextureForInternalTexture(e));
                var a = t
                  , s = Math.ceil(e.width / (1 << n))
                  , l = Math.ceil(e.height / (1 << n));
                this._textureHelper.updateTexture(a, e, s, l, e.depth, o.format, i, n, e.invertY, !1, 0, 0)
            }
            ,
            t.prototype.readPixels = function(e, t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = !0);
                var a = this._rttRenderPassWrapper.renderPass ? this._rttRenderPassWrapper : this._mainRenderPassWrapper
                  , s = a.colorAttachmentGPUTextures[0].underlyingResource
                  , l = a.colorAttachmentGPUTextures[0].format;
                return s ? (o && this.flushFramebuffer(),
                this._textureHelper.readPixels(s, e, t, i, n, l)) : Promise.resolve(new Uint8Array(0))
            }
            ,
            t.prototype.beginFrame = function() {
                e.prototype.beginFrame.call(this)
            }
            ,
            t.prototype.endFrame = function() {
                if (this._snapshotRendering.endFrame(this._mainRenderPassWrapper.renderPass),
                this._endMainRenderPass(),
                this._timestampQuery.endFrame(this._renderEncoder),
                this.flushFramebuffer(!1),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - counters")),
                this._textureHelper.destroyDeferredTextures(),
                this._bufferManager.destroyDeferredBuffers(),
                this._features._collectUbosUpdatedInFrame) {
                    if (this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                    !this._count || this._count < this.dbgVerboseLogsNumFrames)) {
                        var t = [];
                        for (var i in Fi._UpdatedUbosInFrame)
                            t.push(i + ":" + Fi._UpdatedUbosInFrame[i]);
                        console.log("frame #" + this._count + " - updated ubos -", t.join(", "))
                    }
                    Fi._UpdatedUbosInFrame = {}
                }
                this.countersLastFrame.numEnableEffects = this._counters.numEnableEffects,
                this.countersLastFrame.numEnableDrawWrapper = this._counters.numEnableDrawWrapper,
                this.countersLastFrame.numBundleCreationNonCompatMode = this._counters.numBundleCreationNonCompatMode,
                this.countersLastFrame.numBundleReuseNonCompatMode = this._counters.numBundleReuseNonCompatMode,
                this._counters.numEnableEffects = 0,
                this._counters.numEnableDrawWrapper = 0,
                this._counters.numBundleCreationNonCompatMode = 0,
                this._counters.numBundleReuseNonCompatMode = 0,
                this._cacheRenderPipeline.endFrame(),
                this._cacheBindGroups.endFrame(),
                this._pendingDebugCommands.length = 0,
                e.prototype.endFrame.call(this),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                this._count < this.dbgVerboseLogsNumFrames && console.log("%c frame #" + this._count + " - end", "background: #ffff00"),
                this._count < this.dbgVerboseLogsNumFrames && (this._count++,
                this._count !== this.dbgVerboseLogsNumFrames && console.log("%c frame #" + this._count + " - begin", "background: #ffff00")))
            }
            ,
            t.prototype.flushFramebuffer = function(e) {
                void 0 === e && (e = !0);
                var t = !this._currentRenderPass
                  , i = 0;
                this._currentRenderPass && this._currentRenderTarget && (i |= 1,
                this._endRenderTargetRenderPass()),
                this._mainRenderPassWrapper.renderPass && (i |= 2,
                this._endMainRenderPass()),
                this._commandBuffers[0] = this._uploadEncoder.finish(),
                this._commandBuffers[1] = this._renderTargetEncoder.finish(),
                this._commandBuffers[2] = this._renderEncoder.finish(),
                this._device.queue.submit(this._commandBuffers),
                this._uploadEncoder = this._device.createCommandEncoder(this._uploadEncoderDescriptor),
                this._renderEncoder = this._device.createCommandEncoder(this._renderEncoderDescriptor),
                this._renderTargetEncoder = this._device.createCommandEncoder(this._renderTargetEncoderDescriptor),
                this._timestampQuery.startFrame(this._uploadEncoder),
                this._textureHelper.setCommandEncoder(this._uploadEncoder),
                this._bundleList.reset(),
                this._bundleListRenderTarget.reset(),
                e && (2 & i && this._startMainRenderPass(!1),
                1 & i && this._startRenderTargetRenderPass(this._currentRenderTarget, !1, null, !1, !1),
                t && this._currentRenderTarget && (this._currentRenderPass = null))
            }
            ,
            t.prototype._currentFrameBufferIsDefaultFrameBuffer = function() {
                return null === this._currentRenderTarget
            }
            ,
            t.prototype._startRenderTargetRenderPass = function(e, t, i, n, r) {
                var o, a, s, l = e, c = l._depthStencilTexture, u = null == c ? void 0 : c._hardwareTexture, h = null == u ? void 0 : u.underlyingResource, d = null == u ? void 0 : u.msaaTexture, p = null == h ? void 0 : h.createView(this._rttRenderPassWrapper.depthAttachmentViewDescriptor), f = null == d ? void 0 : d.createView(this._rttRenderPassWrapper.depthAttachmentViewDescriptor), _ = [];
                this.useReverseDepthBuffer && this.setDepthFunctionToGreaterOrEqual();
                var m = t && i
                  , g = t && n
                  , v = t && r;
                if (l._attachments && l.isMulti) {
                    this._mrtAttachments && 0 !== this._mrtAttachments.length || (this._mrtAttachments = l._defaultAttachments);
                    for (var y = 0; y < this._mrtAttachments.length; ++y) {
                        var b = this._mrtAttachments[y]
                          , T = l.textures[y]
                          , E = null == T ? void 0 : T._hardwareTexture
                          , S = null == E ? void 0 : E.underlyingResource;
                        if (E && S) {
                            var A = V(V({}, this._rttRenderPassWrapper.colorAttachmentViewDescriptor), {
                                format: E.format
                            })
                              , x = E.msaaTexture
                              , R = S.createView(A)
                              , C = null == x ? void 0 : x.createView(A);
                            _.push({
                                view: C || R,
                                resolveTarget: x ? R : void 0,
                                clearValue: 0 !== b && m ? i : void 0,
                                loadOp: 0 !== b && m ? zu.Clear : zu.Load,
                                storeOp: Wu.Store
                            })
                        }
                    }
                    this._cacheRenderPipeline.setMRT(l.textures, this._mrtAttachments.length),
                    this._cacheRenderPipeline.setMRTAttachments(this._mrtAttachments)
                } else {
                    var P = (I = l.texture)._hardwareTexture
                      , M = P.underlyingResource;
                    x = P.msaaTexture,
                    R = M.createView(this._rttRenderPassWrapper.colorAttachmentViewDescriptor),
                    C = null == x ? void 0 : x.createView(this._rttRenderPassWrapper.colorAttachmentViewDescriptor),
                    _.push({
                        view: C || R,
                        resolveTarget: x ? R : void 0,
                        clearValue: m ? i : void 0,
                        loadOp: m ? zu.Clear : zu.Load,
                        storeOp: Wu.Store
                    })
                }
                if (null === (o = this._debugPushGroup) || void 0 === o || o.call(this, "render target pass", 1),
                this._rttRenderPassWrapper.renderPassDescriptor = {
                    colorAttachments: _,
                    depthStencilAttachment: c && h ? {
                        view: f || p,
                        depthClearValue: g ? this.useReverseDepthBuffer ? this._clearReverseDepthValue : this._clearDepthValue : void 0,
                        depthLoadOp: g ? zu.Clear : zu.Load,
                        depthStoreOp: Wu.Store,
                        stencilClearValue: l._depthStencilTextureWithStencil && v ? this._clearStencilValue : void 0,
                        stencilLoadOp: l._depthStencilTextureWithStencil && v ? zu.Clear : zu.Load,
                        stencilStoreOp: Wu.Store
                    } : void 0,
                    occlusionQuerySet: (null === (a = this._occlusionQuery) || void 0 === a ? void 0 : a.hasQueries) ? this._occlusionQuery.querySet : void 0
                },
                this._rttRenderPassWrapper.renderPass = this._renderTargetEncoder.beginRenderPass(this._rttRenderPassWrapper.renderPassDescriptor),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                !this._count || this._count < this.dbgVerboseLogsNumFrames)) {
                    var I = l.texture;
                    console.log("frame #" + this._count + " - render target begin pass - internalTexture.uniqueId=", I.uniqueId, "width=", I.width, "height=", I.height, this._rttRenderPassWrapper.renderPassDescriptor)
                }
                this._currentRenderPass = this._rttRenderPassWrapper.renderPass,
                null === (s = this._debugFlushPendingCommands) || void 0 === s || s.call(this),
                this._resetCurrentViewport(1),
                this._resetCurrentScissor(1),
                this._resetCurrentStencilRef(1),
                this._resetCurrentColorBlend(1),
                u && fh.HasStencilAspect(u.format) || (this._stencilStateComposer.enabled = !1)
            }
            ,
            t.prototype._endRenderTargetRenderPass = function() {
                var e, t, i;
                if (this._currentRenderPass) {
                    var n = this._currentRenderTarget.texture._hardwareTexture;
                    this._snapshotRendering.endRenderTargetPass(this._currentRenderPass, n) || this.compatibilityMode || (this._bundleListRenderTarget.run(this._currentRenderPass),
                    this._bundleListRenderTarget.reset()),
                    this._currentRenderPass.end(),
                    this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                    (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - render target end pass - internalTexture.uniqueId=", null === (t = null === (e = this._currentRenderTarget) || void 0 === e ? void 0 : e.texture) || void 0 === t ? void 0 : t.uniqueId)),
                    null === (i = this._debugPopGroup) || void 0 === i || i.call(this, 1),
                    this._resetCurrentViewport(1),
                    this._resetCurrentScissor(1),
                    this._resetCurrentStencilRef(1),
                    this._resetCurrentColorBlend(1),
                    this._currentRenderPass = null,
                    this._rttRenderPassWrapper.reset()
                }
            }
            ,
            t.prototype._getCurrentRenderPass = function() {
                return this._currentRenderTarget && !this._currentRenderPass ? this._startRenderTargetRenderPass(this._currentRenderTarget, !1, null, !1, !1) : this._currentRenderPass || this._startMainRenderPass(!1),
                this._currentRenderPass
            }
            ,
            t.prototype._getCurrentRenderPassIndex = function() {
                return null === this._currentRenderPass ? -1 : this._currentRenderPass === this._mainRenderPassWrapper.renderPass ? 0 : 1
            }
            ,
            t.prototype._startMainRenderPass = function(e, t, i, n) {
                var r, o, a;
                this._mainRenderPassWrapper.renderPass && this._endMainRenderPass(),
                this.useReverseDepthBuffer && this.setDepthFunctionToGreaterOrEqual();
                var s = e && t
                  , l = e && i
                  , c = e && n;
                this._mainRenderPassWrapper.renderPassDescriptor.colorAttachments[0].clearValue = s ? t : void 0,
                this._mainRenderPassWrapper.renderPassDescriptor.colorAttachments[0].loadOp = s ? zu.Clear : zu.Load,
                this._mainRenderPassWrapper.renderPassDescriptor.depthStencilAttachment.depthClearValue = l ? this.useReverseDepthBuffer ? this._clearReverseDepthValue : this._clearDepthValue : void 0,
                this._mainRenderPassWrapper.renderPassDescriptor.depthStencilAttachment.depthLoadOp = l ? zu.Clear : zu.Load,
                this._mainRenderPassWrapper.renderPassDescriptor.depthStencilAttachment.stencilClearValue = c ? this._clearStencilValue : void 0,
                this._mainRenderPassWrapper.renderPassDescriptor.depthStencilAttachment.stencilLoadOp = c ? zu.Clear : zu.Load,
                this._mainRenderPassWrapper.renderPassDescriptor.occlusionQuerySet = (null === (r = this._occlusionQuery) || void 0 === r ? void 0 : r.hasQueries) ? this._occlusionQuery.querySet : void 0,
                this._swapChainTexture = this._context.getCurrentTexture(),
                this._mainRenderPassWrapper.colorAttachmentGPUTextures[0].set(this._swapChainTexture),
                this._options.antialiasing ? this._mainRenderPassWrapper.renderPassDescriptor.colorAttachments[0].resolveTarget = this._swapChainTexture.createView() : this._mainRenderPassWrapper.renderPassDescriptor.colorAttachments[0].view = this._swapChainTexture.createView(),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - main begin pass - texture width=" + this._mainTextureExtends.width, " height=" + this._mainTextureExtends.height, this._mainRenderPassWrapper.renderPassDescriptor)),
                null === (o = this._debugPushGroup) || void 0 === o || o.call(this, "main pass", 0),
                this._currentRenderPass = this._renderEncoder.beginRenderPass(this._mainRenderPassWrapper.renderPassDescriptor),
                this._mainRenderPassWrapper.renderPass = this._currentRenderPass,
                null === (a = this._debugFlushPendingCommands) || void 0 === a || a.call(this),
                this._resetCurrentViewport(0),
                this._resetCurrentScissor(0),
                this._resetCurrentStencilRef(0),
                this._resetCurrentColorBlend(0),
                this._isStencilEnable || (this._stencilStateComposer.enabled = !1)
            }
            ,
            t.prototype._endMainRenderPass = function() {
                var e;
                null !== this._mainRenderPassWrapper.renderPass && (this._snapshotRendering.endMainRenderPass(),
                this.compatibilityMode || this._snapshotRendering.play || (this._bundleList.run(this._mainRenderPassWrapper.renderPass),
                this._bundleList.reset()),
                this._mainRenderPassWrapper.renderPass.end(),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - main end pass")),
                null === (e = this._debugPopGroup) || void 0 === e || e.call(this, 0),
                this._resetCurrentViewport(0),
                this._resetCurrentScissor(0),
                this._resetCurrentStencilRef(0),
                this._resetCurrentColorBlend(0),
                this._mainRenderPassWrapper.renderPass === this._currentRenderPass && (this._currentRenderPass = null),
                this._mainRenderPassWrapper.reset(!1))
            }
            ,
            t.prototype.bindFramebuffer = function(e, t, i, n, r, o, s) {
                var l, c;
                void 0 === t && (t = 0),
                void 0 === o && (o = 0),
                void 0 === s && (s = 0);
                var u = null === (l = e.texture) || void 0 === l ? void 0 : l._hardwareTexture;
                u ? (this._currentRenderTarget && this.unBindFramebuffer(this._currentRenderTarget),
                this._currentRenderTarget = e,
                u._currentLayer = e.isCube ? 6 * s + t : s,
                this._rttRenderPassWrapper.colorAttachmentGPUTextures[0] = u,
                this._rttRenderPassWrapper.depthTextureFormat = this._currentRenderTarget._depthStencilTexture ? fh.GetWebGPUTextureFormat(-1, this._currentRenderTarget._depthStencilTexture.format) : void 0,
                this._setDepthTextureFormat(this._rttRenderPassWrapper),
                this._setColorFormat(this._rttRenderPassWrapper),
                this._rttRenderPassWrapper.colorAttachmentViewDescriptor = {
                    format: this._colorFormat,
                    dimension: vu.E2d,
                    mipLevelCount: 1,
                    baseArrayLayer: e.isCube ? 6 * s + t : s,
                    baseMipLevel: o,
                    arrayLayerCount: 1,
                    aspect: yu.All
                },
                this._rttRenderPassWrapper.depthAttachmentViewDescriptor = {
                    format: this._depthTextureFormat,
                    dimension: vu.E2d,
                    mipLevelCount: 1,
                    baseArrayLayer: e.isCube ? 6 * s + t : s,
                    baseMipLevel: 0,
                    arrayLayerCount: 1,
                    aspect: yu.All
                },
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - bindFramebuffer called - internalTexture.uniqueId=", null === (c = e.texture) || void 0 === c ? void 0 : c.uniqueId, "face=", t, "lodLevel=", o, "layer=", s, this._rttRenderPassWrapper.colorAttachmentViewDescriptor, this._rttRenderPassWrapper.depthAttachmentViewDescriptor)),
                this._currentRenderPass = null,
                this.snapshotRendering && this.snapshotRenderingMode === a.SNAPSHOTRENDERING_FAST && this._getCurrentRenderPass(),
                this._cachedViewport && !r ? this.setViewport(this._cachedViewport, i, n) : (i || (i = e.width,
                o && (i /= Math.pow(2, o))),
                n || (n = e.height,
                o && (n /= Math.pow(2, o))),
                this._viewport(0, 0, i, n)),
                this.wipeCaches()) : this.dbgSanityChecks && console.error("bindFramebuffer: Trying to bind a texture that does not have a hardware texture!", e, u)
            }
            ,
            t.prototype.unBindFramebuffer = function(e, t, i) {
                var n, r;
                void 0 === t && (t = !1);
                var o = this._currentRenderTarget;
                this._currentRenderTarget = null,
                i && i(),
                this._currentRenderTarget = o,
                this._currentRenderPass && this._currentRenderPass !== this._mainRenderPassWrapper.renderPass && this._endRenderTargetRenderPass(),
                !(null === (n = e.texture) || void 0 === n ? void 0 : n.generateMipMaps) || t || e.isCube || this._generateMipmaps(e.texture),
                this._currentRenderTarget = null,
                this._onAfterUnbindFrameBufferObservable.notifyObservers(this),
                this.dbgVerboseLogsForFirstFrames && (void 0 === this._count && (this._count = 0),
                (!this._count || this._count < this.dbgVerboseLogsNumFrames) && console.log("frame #" + this._count + " - unBindFramebuffer called - internalTexture.uniqueId=", null === (r = e.texture) || void 0 === r ? void 0 : r.uniqueId)),
                this._mrtAttachments = [],
                this._cacheRenderPipeline.setMRT([]),
                this._cacheRenderPipeline.setMRTAttachments(this._mrtAttachments),
                this._currentRenderPass = this._mainRenderPassWrapper.renderPass,
                this._setDepthTextureFormat(this._mainRenderPassWrapper),
                this._setColorFormat(this._mainRenderPassWrapper)
            }
            ,
            t.prototype.restoreDefaultFramebuffer = function() {
                this._currentRenderTarget ? this.unBindFramebuffer(this._currentRenderTarget) : (this._currentRenderPass = this._mainRenderPassWrapper.renderPass,
                this._setDepthTextureFormat(this._mainRenderPassWrapper),
                this._setColorFormat(this._mainRenderPassWrapper)),
                this._currentRenderPass && this._cachedViewport && this.setViewport(this._cachedViewport),
                this.wipeCaches()
            }
            ,
            t.prototype._setColorFormat = function(e) {
                var t = e.colorAttachmentGPUTextures[0].format;
                this._cacheRenderPipeline.setColorFormat(t),
                this._colorFormat !== t && (this._colorFormat = t)
            }
            ,
            t.prototype._setDepthTextureFormat = function(e) {
                this._cacheRenderPipeline.setDepthStencilFormat(e.depthTextureFormat),
                this._depthTextureFormat !== e.depthTextureFormat && (this._depthTextureFormat = e.depthTextureFormat)
            }
            ,
            t.prototype.setDitheringState = function() {}
            ,
            t.prototype.setRasterizerState = function() {}
            ,
            t.prototype.setState = function(e, t, i, n, r, o, a) {
                var s, l;
                void 0 === t && (t = 0),
                void 0 === n && (n = !1),
                void 0 === a && (a = 0),
                (this._depthCullingState.cull !== e || i) && (this._depthCullingState.cull = e);
                var c = null === (l = null !== (s = this.cullBackFaces) && void 0 !== s ? s : r) || void 0 === l || l ? 1 : 2;
                (this._depthCullingState.cullFace !== c || i) && (this._depthCullingState.cullFace = c),
                this.setZOffset(t),
                this.setZOffsetUnits(a);
                var u = n ? this._currentRenderTarget ? 1 : 2 : this._currentRenderTarget ? 2 : 1;
                (this._depthCullingState.frontFace !== u || i) && (this._depthCullingState.frontFace = u),
                this._stencilStateComposer.stencilMaterial = o
            }
            ,
            t.prototype._applyRenderPassChanges = function(e, t) {
                var i, n = this._mustUpdateViewport(e), r = this._mustUpdateScissor(e), o = !!this._stencilStateComposer.enabled && this._mustUpdateStencilRef(e), a = !!this._alphaState.alphaBlend && this._mustUpdateBlendColor(e);
                t ? (n && t.addItem(new Fh(this._viewportCached.x,this._viewportCached.y,this._viewportCached.z,this._viewportCached.w)),
                r && t.addItem(new wh(this._scissorCached.x,this._scissorCached.y,this._scissorCached.z,this._scissorCached.w)),
                o && t.addItem(new Bh(null !== (i = this._stencilStateComposer.funcRef) && void 0 !== i ? i : 0)),
                a && t.addItem(new Uh(this._alphaState._blendConstants.slice()))) : (n && this._applyViewport(e),
                r && this._applyScissor(e),
                o && this._applyStencilRef(e),
                a && this._applyBlendColor(e))
            }
            ,
            t.prototype._draw = function(e, t, i, n, r) {
                var o, s = this._getCurrentRenderPass(), l = 0 === this._getCurrentRenderPassIndex() ? this._bundleList : this._bundleListRenderTarget;
                this.applyStates();
                var c = this._currentEffect._pipelineContext;
                if (this.bindUniformBufferBase(this._currentRenderTarget ? this._ubInvertY : this._ubDontInvertY, 0, Qu.InternalsUBOName),
                c.uniformBuffer && (c.uniformBuffer.update(),
                this.bindUniformBufferBase(c.uniformBuffer.getBuffer(), 0, Qu.LeftOvertUBOName)),
                this._snapshotRendering.play)
                    this._reportDrawCall();
                else {
                    !this.compatibilityMode && (this._currentDrawContext.isDirty(this._currentMaterialContext.updateId) || this._currentMaterialContext.isDirty || this._currentMaterialContext.forceBindGroupCreation) && (this._currentDrawContext.fastBundle = void 0);
                    var u = s;
                    if (!this.compatibilityMode && this._currentDrawContext.fastBundle || this._snapshotRendering.record) {
                        if (this._applyRenderPassChanges(s, l),
                        !this._snapshotRendering.record)
                            return this._counters.numBundleReuseNonCompatMode++,
                            this._currentDrawContext.indirectDrawBuffer && this._currentDrawContext.setIndirectData(n, r || 1, i),
                            l.addBundle(this._currentDrawContext.fastBundle),
                            void this._reportDrawCall();
                        u = l.getBundleEncoder(this._cacheRenderPipeline.colorFormats, this._depthTextureFormat, this.currentSampleCount),
                        l.numDrawCalls++
                    }
                    var h = 0;
                    if (!this._caps.textureFloatLinearFiltering && this._currentMaterialContext.hasFloatTextures)
                        for (var d = 1, p = 0; p < c.shaderProcessingContext.textureNames.length; ++p) {
                            var f = c.shaderProcessingContext.textureNames[p]
                              , _ = null === (o = this._currentMaterialContext.textures[f]) || void 0 === o ? void 0 : o.texture;
                            (null == _ ? void 0 : _.type) === a.TEXTURETYPE_FLOAT && (h |= d),
                            d <<= 1
                        }
                    var m = this._cacheRenderPipeline.getRenderPipeline(t, this._currentEffect, this.currentSampleCount, h)
                      , g = this._cacheBindGroups.getBindGroups(c, this._currentDrawContext, this._currentMaterialContext);
                    this._snapshotRendering.record || (this._applyRenderPassChanges(s, this.compatibilityMode ? null : l),
                    this.compatibilityMode || (this._counters.numBundleCreationNonCompatMode++,
                    u = this._device.createRenderBundleEncoder({
                        colorFormats: this._cacheRenderPipeline.colorFormats,
                        depthStencilFormat: this._depthTextureFormat,
                        sampleCount: this.currentSampleCount
                    }))),
                    u.setPipeline(m),
                    this._currentIndexBuffer && u.setIndexBuffer(this._currentIndexBuffer.underlyingResource, this._currentIndexBuffer.is32Bits ? Bu.Uint32 : Bu.Uint16, 0);
                    for (var v = this._cacheRenderPipeline.vertexBuffers, y = 0; y < v.length; y++) {
                        var b = v[y]
                          , T = b.getBuffer();
                        T && u.setVertexBuffer(y, T.underlyingResource, b._validOffsetRange ? 0 : b.byteOffset)
                    }
                    for (p = 0; p < g.length; p++)
                        u.setBindGroup(p, g[p]);
                    var E = !this.compatibilityMode && !this._snapshotRendering.record;
                    E && this._currentDrawContext.indirectDrawBuffer ? (this._currentDrawContext.setIndirectData(n, r || 1, i),
                    0 === e ? u.drawIndexedIndirect(this._currentDrawContext.indirectDrawBuffer, 0) : u.drawIndirect(this._currentDrawContext.indirectDrawBuffer, 0)) : 0 === e ? u.drawIndexed(n, r || 1, i, 0, 0) : u.draw(n, r || 1, i, 0),
                    E && (this._currentDrawContext.fastBundle = u.finish(),
                    l.addBundle(this._currentDrawContext.fastBundle)),
                    this._reportDrawCall()
                }
            }
            ,
            t.prototype.drawElementsType = function(e, t, i, n) {
                void 0 === n && (n = 1),
                this._draw(0, e, t, i, n)
            }
            ,
            t.prototype.drawArraysType = function(e, t, i, n) {
                void 0 === n && (n = 1),
                this._currentIndexBuffer = null,
                this._draw(1, e, t, i, n)
            }
            ,
            t.prototype.dispose = function() {
                var t, i, n;
                null === (t = this._mainTexture) || void 0 === t || t.destroy(),
                null === (i = this._mainTextureLastCopy) || void 0 === i || i.destroy(),
                null === (n = this._depthTexture) || void 0 === n || n.destroy(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getRenderWidth = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.width : this._canvas.width
            }
            ,
            t.prototype.getRenderHeight = function(e) {
                return void 0 === e && (e = !1),
                !e && this._currentRenderTarget ? this._currentRenderTarget.height : this._canvas.height
            }
            ,
            t.prototype.getRenderingCanvas = function() {
                return this._canvas
            }
            ,
            t.prototype.getError = function() {
                return 0
            }
            ,
            t.prototype.bindSamplers = function() {}
            ,
            t.prototype._bindTextureDirectly = function() {
                return !1
            }
            ,
            t.prototype.areAllEffectsReady = function() {
                return !0
            }
            ,
            t.prototype._executeWhenRenderingStateIsCompiled = function(e, t) {
                t()
            }
            ,
            t.prototype._isRenderingStateCompiled = function() {
                return !0
            }
            ,
            t.prototype._getUnpackAlignement = function() {
                return 1
            }
            ,
            t.prototype._unpackFlipY = function() {}
            ,
            t.prototype._bindUnboundFramebuffer = function() {
                throw "_bindUnboundFramebuffer is not implementedin WebGPU! You probably want to use restoreDefaultFramebuffer or unBindFramebuffer instead"
            }
            ,
            t.prototype._getSamplingParameters = function() {
                throw "_getSamplingParameters is not available in WebGPU"
            }
            ,
            t.prototype.getUniforms = function() {
                return []
            }
            ,
            t.prototype.setIntArray = function() {
                return !1
            }
            ,
            t.prototype.setIntArray2 = function() {
                return !1
            }
            ,
            t.prototype.setIntArray3 = function() {
                return !1
            }
            ,
            t.prototype.setIntArray4 = function() {
                return !1
            }
            ,
            t.prototype.setArray = function() {
                return !1
            }
            ,
            t.prototype.setArray2 = function() {
                return !1
            }
            ,
            t.prototype.setArray3 = function() {
                return !1
            }
            ,
            t.prototype.setArray4 = function() {
                return !1
            }
            ,
            t.prototype.setMatrices = function() {
                return !1
            }
            ,
            t.prototype.setMatrix3x3 = function() {
                return !1
            }
            ,
            t.prototype.setMatrix2x2 = function() {
                return !1
            }
            ,
            t.prototype.setFloat = function() {
                return !1
            }
            ,
            t.prototype.setFloat2 = function() {
                return !1
            }
            ,
            t.prototype.setFloat3 = function() {
                return !1
            }
            ,
            t.prototype.setFloat4 = function() {
                return !1
            }
            ,
            t._GLSLslangDefaultOptions = {
                jsPath: "https://preview.babylonjs.com/glslang/glslang.js",
                wasmPath: "https://preview.babylonjs.com/glslang/glslang.wasm"
            },
            t.UseTWGSL = !0,
            t
        }(vr);
        Qh.prototype.setAlphaMode = function(e, t) {
            if (void 0 === t && (t = !1),
            this._alphaMode !== e || !(e === a.ALPHA_DISABLE && !this._alphaState.alphaBlend || e !== a.ALPHA_DISABLE && this._alphaState.alphaBlend)) {
                switch (e) {
                case a.ALPHA_DISABLE:
                    this._alphaState.alphaBlend = !1;
                    break;
                case a.ALPHA_PREMULTIPLIED:
                    this._alphaState.setAlphaBlendFunctionParameters(1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_PREMULTIPLIED_PORTERDUFF:
                    this._alphaState.setAlphaBlendFunctionParameters(1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA, 1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_COMBINE:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_SRC_ALPHA, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE:
                    this._alphaState.setAlphaBlendFunctionParameters(1, 1, 0, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ADD:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_SRC_ALPHA, 1, 0, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SUBTRACT:
                    this._alphaState.setAlphaBlendFunctionParameters(0, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_MULTIPLY:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_DST_COLOR, 0, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_MAXIMIZED:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_SRC_ALPHA, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_INTERPOLATE:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_CONSTANT_COLOR, a.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_COLOR, a.GL_ALPHA_FUNCTION_CONSTANT_ALPHA, a.GL_ALPHA_FUNCTION_ONE_MINUS_CONSTANT_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SCREENMODE:
                    this._alphaState.setAlphaBlendFunctionParameters(1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR, 1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE_ONEONE:
                    this._alphaState.setAlphaBlendFunctionParameters(1, 1, 1, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ALPHATOCOLOR:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_DST_ALPHA, 1, 0, 0),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_REVERSEONEMINUS:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_ONE_MINUS_DST_COLOR, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR, a.GL_ALPHA_FUNCTION_ONE_MINUS_DST_ALPHA, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_SRC_DSTONEMINUSSRCALPHA:
                    this._alphaState.setAlphaBlendFunctionParameters(1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA, 1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_ONEONE_ONEZERO:
                    this._alphaState.setAlphaBlendFunctionParameters(1, 1, 1, 0),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_EXCLUSION:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_ONE_MINUS_DST_COLOR, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_COLOR, 0, 1),
                    this._alphaState.alphaBlend = !0;
                    break;
                case a.ALPHA_LAYER_ACCUMULATE:
                    this._alphaState.setAlphaBlendFunctionParameters(a.GL_ALPHA_FUNCTION_SRC_ALPHA, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA, 1, a.GL_ALPHA_FUNCTION_ONE_MINUS_SRC_ALPHA),
                    this._alphaState.alphaBlend = !0
                }
                t || (this.setDepthWrite(e === vr.ALPHA_DISABLE),
                this._cacheRenderPipeline.setDepthWriteEnabled(e === vr.ALPHA_DISABLE)),
                this._alphaMode = e,
                this._cacheRenderPipeline.setAlphaBlendEnabled(this._alphaState.alphaBlend),
                this._cacheRenderPipeline.setAlphaBlendFactors(this._alphaState._blendFunctionParameters, this._alphaState._blendEquationParameters)
            }
        }
        ,
        Qh.prototype.setAlphaEquation = function(e) {
            vr.prototype.setAlphaEquation.call(this, e),
            this._cacheRenderPipeline.setAlphaBlendFactors(this._alphaState._blendFunctionParameters, this._alphaState._blendEquationParameters)
        }
        ;
        var qh = function() {
            function e(t, i) {
                this._device = t,
                this._cacheSampler = i,
                this.uniqueId = e._Counter++,
                this._bindGroupEntries = [],
                this.clear()
            }
            return e.prototype.getBindGroups = function(e, t, i) {
                if (!i)
                    throw new Error("WebGPUComputeContext.getBindGroups: bindingsMapping is required until browsers support reflection for wgsl shaders!");
                if (0 === this._bindGroups.length) {
                    var n = this._bindGroupEntries.length > 0;
                    for (var r in e) {
                        var o = e[r]
                          , a = i[r]
                          , s = a.group
                          , l = a.binding
                          , c = o.type
                          , u = o.object
                          , h = o.indexInGroupEntries;
                        switch ((v = this._bindGroupEntries[s]) || (v = this._bindGroupEntries[s] = []),
                        c) {
                        case _l.Sampler:
                            var d = u;
                            void 0 !== h && n ? v[h].resource = this._cacheSampler.getSampler(d) : (o.indexInGroupEntries = v.length,
                            v.push({
                                binding: l,
                                resource: this._cacheSampler.getSampler(d)
                            }));
                            break;
                        case _l.Texture:
                        case _l.TextureWithoutSampler:
                            var p = (f = u)._texture._hardwareTexture;
                            void 0 !== h && n ? (c === _l.Texture && (v[h++].resource = this._cacheSampler.getSampler(f._texture)),
                            v[h].resource = p.view) : (o.indexInGroupEntries = v.length,
                            c === _l.Texture && v.push({
                                binding: l - 1,
                                resource: this._cacheSampler.getSampler(f._texture)
                            }),
                            v.push({
                                binding: l,
                                resource: p.view
                            }));
                            break;
                        case _l.StorageTexture:
                            var f;
                            0 == ((p = (f = u)._texture._hardwareTexture).textureAdditionalUsages & gu.StorageBinding) && K.Error("computeDispatch: The texture (name=".concat(f.name, ", uniqueId=").concat(f.uniqueId, ") is not a storage texture!"), 50),
                            void 0 !== h && n ? v[h].resource = p.viewForWriting : (o.indexInGroupEntries = v.length,
                            v.push({
                                binding: l,
                                resource: p.viewForWriting
                            }));
                            break;
                        case _l.UniformBuffer:
                        case _l.StorageBuffer:
                            var _ = (_l.UniformBuffer,
                            u).getBuffer()
                              , m = _.underlyingResource;
                            void 0 !== h && n ? (v[h].resource.buffer = m,
                            v[h].resource.size = _.capacity) : (o.indexInGroupEntries = v.length,
                            v.push({
                                binding: l,
                                resource: {
                                    buffer: m,
                                    offset: 0,
                                    size: _.capacity
                                }
                            }))
                        }
                    }
                    for (var g = 0; g < this._bindGroupEntries.length; ++g) {
                        var v;
                        (v = this._bindGroupEntries[g]) ? this._bindGroups[g] = this._device.createBindGroup({
                            layout: t.getBindGroupLayout(g),
                            entries: v
                        }) : this._bindGroups[g] = void 0
                    }
                    this._bindGroups.length = this._bindGroupEntries.length
                }
                return this._bindGroups
            }
            ,
            e.prototype.clear = function() {
                this._bindGroups = []
            }
            ,
            e._Counter = 0,
            e
        }()
          , Zh = function() {
            function e(e) {
                this._name = "unnamed",
                this.engine = e
            }
            return Object.defineProperty(e.prototype, "isAsync", {
                get: function() {
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isReady", {
                get: function() {
                    return !!this.stage
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getComputeShaderCode = function() {
                var e;
                return null === (e = this.sources) || void 0 === e ? void 0 : e.compute
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e
        }();
        Qh.prototype.createComputeContext = function() {
            return new qh(this._device,this._cacheSampler)
        }
        ,
        Qh.prototype.createComputeEffect = function(e, t) {
            var i = (e.computeElement || e.compute || e.computeToken || e.computeSource || e) + "@" + t.defines;
            if (this._compiledComputeEffects[i]) {
                var n = this._compiledComputeEffects[i];
                return t.onCompiled && n.isReady() && t.onCompiled(n),
                n
            }
            var r = new ml(e,t,this,i);
            return this._compiledComputeEffects[i] = r,
            r
        }
        ,
        Qh.prototype.createComputePipelineContext = function() {
            return new Zh(this)
        }
        ,
        Qh.prototype.areAllComputeEffectsReady = function() {
            for (var e in this._compiledComputeEffects)
                if (!this._compiledComputeEffects[e].isReady())
                    return !1;
            return !0
        }
        ,
        Qh.prototype.computeDispatch = function(e, t, i, n, r, o, a) {
            var s = this;
            if (this._currentRenderTarget)
                this._onAfterUnbindFrameBufferObservable.addOnce((function() {
                    s.computeDispatch(e, t, i, n, r, o, a)
                }
                ));
            else {
                var l = e._pipelineContext
                  , c = t;
                l.computePipeline || (l.computePipeline = this._device.createComputePipeline({
                    compute: l.stage
                }));
                var u = this._renderTargetEncoder.beginComputePass();
                u.setPipeline(l.computePipeline);
                for (var h = c.getBindGroups(i, l.computePipeline, a), d = 0; d < h.length; ++d) {
                    var p = h[d];
                    p && u.setBindGroup(d, p)
                }
                u.dispatch(n, r, o),
                u.end()
            }
        }
        ,
        Qh.prototype.releaseComputeEffects = function() {
            for (var e in this._compiledComputeEffects) {
                var t = this._compiledComputeEffects[e].getPipelineContext();
                this._deleteComputePipelineContext(t)
            }
            this._compiledComputeEffects = {}
        }
        ,
        Qh.prototype._prepareComputePipelineContext = function(e, t, i, n, r) {
            var o = e;
            this.dbgShowShaderCode && (console.log(n),
            console.log(t)),
            o.sources = {
                compute: t,
                rawCompute: i
            },
            o.stage = this._createComputePipelineStageDescriptor(t, n, r)
        }
        ,
        Qh.prototype._releaseComputeEffect = function(e) {
            this._compiledComputeEffects[e._key] && (delete this._compiledComputeEffects[e._key],
            this._deleteComputePipelineContext(e.getPipelineContext()))
        }
        ,
        Qh.prototype._rebuildComputeEffects = function() {
            for (var e in this._compiledComputeEffects) {
                var t = this._compiledComputeEffects[e];
                t._pipelineContext = null,
                t._wasPreviouslyReady = !1,
                t._prepareEffect()
            }
        }
        ,
        Qh.prototype._deleteComputePipelineContext = function(e) {
            e && e.dispose()
        }
        ,
        Qh.prototype._createComputePipelineStageDescriptor = function(e, t, i) {
            return t = t ? "//" + t.split("\n").join("\n//") + "\n" : "",
            {
                module: this._device.createShaderModule({
                    code: t + e
                }),
                entryPoint: i
            }
        }
        ,
        Qh.prototype._createDepthStencilCubeTexture = function(e, t) {
            var i = new Lt(this,At.DepthStencil);
            i.isCube = !0;
            var n = V({
                bilinearFiltering: !1,
                comparisonFunction: 0,
                generateStencil: !1,
                samples: 1
            }, t);
            return i.format = n.generateStencil ? a.TEXTUREFORMAT_DEPTH24_STENCIL8 : a.TEXTUREFORMAT_DEPTH32_FLOAT,
            this._setupDepthStencilTexture(i, e, n.generateStencil, n.bilinearFiltering, n.comparisonFunction, n.samples),
            this._textureHelper.createGPUTextureForInternalTexture(i),
            this._internalTexturesCache.push(i),
            i
        }
        ,
        Qh.prototype.createCubeTexture = function(e, t, i, n, r, o, a, s, l, c, u, h, d) {
            var p = this;
            return void 0 === r && (r = null),
            void 0 === o && (o = null),
            void 0 === s && (s = null),
            void 0 === l && (l = !1),
            void 0 === c && (c = 0),
            void 0 === u && (u = 0),
            void 0 === h && (h = null),
            void 0 === d && (d = !1),
            this.createCubeTextureBase(e, t, i, !!n, r, o, a, s, l, c, u, h, null, (function(e, t) {
                var i = t
                  , o = i[0].width
                  , s = o;
                p._setCubeMapTextureParams(e, !n),
                e.format = null != a ? a : -1;
                var l = p._textureHelper.createGPUTextureForInternalTexture(e, o, s);
                p._textureHelper.updateCubeTextures(i, l.underlyingResource, o, s, l.format, !1, !1, 0, 0),
                n || p._generateMipmaps(e, p._uploadEncoder),
                e.isReady = !0,
                e.onLoadedObservable.notifyObservers(e),
                e.onLoadedObservable.clear(),
                r && r()
            }
            ), !!d)
        }
        ,
        Qh.prototype._setCubeMapTextureParams = function(e, t, i) {
            e.samplingMode = t ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : a.TEXTURE_BILINEAR_SAMPLINGMODE,
            e._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
            e._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
            i && (e._maxLodLevel = i)
        }
        ,
        Qh.prototype._debugPushGroup = function(e, t) {
            this._options.enableGPUDebugMarkers && (0 === t || 1 === t ? (0 === t ? this._renderEncoder : this._renderTargetEncoder).pushDebugGroup(e) : this._currentRenderPass ? this._currentRenderPass.pushDebugGroup(e) : this._pendingDebugCommands.push(["push", e]))
        }
        ,
        Qh.prototype._debugPopGroup = function(e) {
            this._options.enableGPUDebugMarkers && (0 === e || 1 === e ? (0 === e ? this._renderEncoder : this._renderTargetEncoder).popDebugGroup() : this._currentRenderPass ? this._currentRenderPass.popDebugGroup() : this._pendingDebugCommands.push(["pop", null]))
        }
        ,
        Qh.prototype._debugInsertMarker = function(e, t) {
            this._options.enableGPUDebugMarkers && (0 === t || 1 === t ? (0 === t ? this._renderEncoder : this._renderTargetEncoder).insertDebugMarker(e) : this._currentRenderPass ? this._currentRenderPass.insertDebugMarker(e) : this._pendingDebugCommands.push(["insert", e]))
        }
        ,
        Qh.prototype._debugFlushPendingCommands = function() {
            for (var e = 0; e < this._pendingDebugCommands.length; ++e) {
                var t = this._pendingDebugCommands[e]
                  , i = t[0]
                  , n = t[1];
                switch (i) {
                case "push":
                    this._debugPushGroup(n);
                    break;
                case "pop":
                    this._debugPopGroup();
                    break;
                case "insert":
                    this._debugInsertMarker(n)
                }
            }
            this._pendingDebugCommands.length = 0
        }
        ,
        Qh.prototype.updateDynamicIndexBuffer = function(e, t, i) {
            void 0 === i && (i = 0);
            var n, r = e;
            n = t instanceof Uint16Array ? e.is32Bits ? Uint32Array.from(t) : t : t instanceof Uint32Array ? e.is32Bits ? t : Uint16Array.from(t) : e.is32Bits ? new Uint32Array(t) : new Uint16Array(t),
            this._bufferManager.setSubData(r, i, n)
        }
        ,
        Qh.prototype.updateDynamicVertexBuffer = function(e, t, i, n) {
            var r, o = e;
            void 0 === i && (i = 0),
            void 0 === n ? n = (r = t instanceof Array ? new Float32Array(t) : t instanceof ArrayBuffer ? new Uint8Array(t) : t).byteLength : r = t instanceof Array ? new Float32Array(t) : t instanceof ArrayBuffer ? new Uint8Array(t) : t,
            this._bufferManager.setSubData(o, i, r, 0, n)
        }
        ,
        Qh.prototype.updateDynamicTexture = function(e, t, i, n, r, o, a) {
            var s;
            if (void 0 === n && (n = !1),
            e) {
                var l = t.width
                  , c = t.height
                  , u = e._hardwareTexture;
                (null === (s = e._hardwareTexture) || void 0 === s ? void 0 : s.underlyingResource) || (u = this._textureHelper.createGPUTextureForInternalTexture(e, l, c)),
                this._textureHelper.updateTexture(t, e, l, c, e.depth, u.format, 0, 0, i, n, 0, 0, a),
                e.generateMipMaps && this._generateMipmaps(e, this._uploadEncoder),
                e.isReady = !0
            }
        }
        ;
        var Jh = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            t
        }(Mh);
        function $h(e, t, i, n) {
            var r, o = 1;
            n === a.TEXTURETYPE_FLOAT ? r = new Float32Array(t * i * 4) : n === a.TEXTURETYPE_HALF_FLOAT ? (r = new Uint16Array(t * i * 4),
            o = 15360) : r = n === a.TEXTURETYPE_UNSIGNED_INTEGER ? new Uint32Array(t * i * 4) : new Uint8Array(t * i * 4);
            for (var s = 0; s < t; s++)
                for (var l = 0; l < i; l++) {
                    var c = 3 * (l * t + s)
                      , u = 4 * (l * t + s);
                    r[u + 0] = e[c + 0],
                    r[u + 1] = e[c + 1],
                    r[u + 2] = e[c + 2],
                    r[u + 3] = o
                }
            return r
        }
        Mt.prototype.setExternalTexture = function(e, t) {
            this._engine.setExternalTexture(e, t)
        }
        ,
        Qh.prototype.createExternalTexture = function(e) {
            return new Jh(e)
        }
        ,
        Qh.prototype.setExternalTexture = function(e, t) {
            t ? this._setInternalTexture(e, t) : this._currentMaterialContext.setTexture(e, null)
        }
        ,
        Qh.prototype.unBindMultiColorAttachmentFramebuffer = function(e, t, i) {
            void 0 === t && (t = !1),
            i && i();
            var n = e._attachments.length;
            this._currentRenderPass && this._currentRenderPass !== this._mainRenderPassWrapper.renderPass && this._endRenderTargetRenderPass();
            for (var r = 0; r < n; r++) {
                var o = e.textures[r];
                !o.generateMipMaps || t || o.isCube || this._generateMipmaps(o)
            }
            this._currentRenderTarget = null,
            this._mrtAttachments = [],
            this._cacheRenderPipeline.setMRT([]),
            this._cacheRenderPipeline.setMRTAttachments(this._mrtAttachments),
            this._currentRenderPass = this._mainRenderPassWrapper.renderPass,
            this._setDepthTextureFormat(this._mainRenderPassWrapper),
            this._setColorFormat(this._mainRenderPassWrapper)
        }
        ,
        Qh.prototype.createMultipleRenderTarget = function(e, t, i) {
            var n, r = !1, o = !0, s = !1, l = !1, c = a.TEXTUREFORMAT_DEPTH16, u = 1, h = a.TEXTURETYPE_UNSIGNED_INT, d = a.TEXTURE_TRILINEAR_SAMPLINGMODE, p = new Array, f = new Array, _ = this._createHardwareRenderTargetWrapper(!0, !1, e);
            void 0 !== t && (r = void 0 !== t.generateMipMaps && t.generateMipMaps,
            o = void 0 === t.generateDepthBuffer || t.generateDepthBuffer,
            s = void 0 !== t.generateStencilBuffer && t.generateStencilBuffer,
            l = void 0 !== t.generateDepthTexture && t.generateDepthTexture,
            u = t.textureCount || 1,
            c = null !== (n = t.depthTextureFormat) && void 0 !== n ? n : a.TEXTUREFORMAT_DEPTH16,
            t.types && (p = t.types),
            t.samplingModes && (f = t.samplingModes));
            var m = e.width || e
              , g = e.height || e
              , v = null;
            (o || s || l) && (v = _.createDepthStencilTexture(0, !1, s, 1, c));
            var y = []
              , b = []
              , T = [];
            _._generateDepthBuffer = o,
            _._generateStencilBuffer = s,
            _._attachments = b,
            _._defaultAttachments = T;
            for (var E = 0; E < u; E++) {
                var S = f[E] || d
                  , A = p[E] || h;
                (A !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering) && (A !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering) || (S = a.TEXTURE_NEAREST_SAMPLINGMODE),
                A !== a.TEXTURETYPE_FLOAT || this._caps.textureFloat || (A = a.TEXTURETYPE_UNSIGNED_INT,
                K.Warn("Float textures are not supported. Render target forced to TEXTURETYPE_UNSIGNED_BYTE type"));
                var x = new Lt(this,At.MultiRenderTarget);
                y.push(x),
                b.push(E + 1),
                T.push(i ? E + 1 : 0 === E ? 1 : 0),
                x.baseWidth = m,
                x.baseHeight = g,
                x.width = m,
                x.height = g,
                x.isReady = !0,
                x.samples = 1,
                x.generateMipMaps = r,
                x.samplingMode = S,
                x.type = A,
                x._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
                x._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
                this._internalTexturesCache.push(x),
                this._textureHelper.createGPUTextureForInternalTexture(x)
            }
            return v && (v.incrementReferences(),
            y.push(v),
            this._internalTexturesCache.push(v)),
            _.setTextures(y),
            _
        }
        ,
        Qh.prototype.updateMultipleRenderTargetTextureSampleCount = function(e, t) {
            if (!e || !e.textures || e.textures[0].samples === t)
                return t;
            var i = e.textures.length;
            if (0 === i)
                return 1;
            t = Math.min(t, this.getCaps().maxMSAASamples);
            for (var n = 0; n < i; ++n) {
                var r = e.textures[n];
                this._textureHelper.createMSAATexture(r, t),
                r.samples = t
            }
            return e._depthStencilTexture && e._depthStencilTexture !== e.textures[e.textures.length - 1] && (this._textureHelper.createMSAATexture(e._depthStencilTexture, t),
            e._depthStencilTexture.samples = t),
            t
        }
        ,
        Qh.prototype.bindAttachments = function(e) {
            0 !== e.length && this._currentRenderTarget && (this._mrtAttachments = e,
            this._currentRenderPass && this._cacheRenderPipeline.setMRTAttachments(e))
        }
        ,
        Qh.prototype.buildTextureLayout = function(e) {
            for (var t = [], i = 0; i < e.length; i++)
                e[i] ? t.push(i + 1) : t.push(0);
            return t
        }
        ,
        Qh.prototype.restoreSingleAttachment = function() {}
        ,
        Qh.prototype.restoreSingleAttachmentForRenderTarget = function() {}
        ,
        Qh.prototype.getGPUFrameTimeCounter = function() {
            return this._timestampQuery.gpuFrameTimeCounter
        }
        ,
        Qh.prototype.captureGPUFrameTime = function(e) {
            this._timestampQuery.enable = e && !!this._caps.timerQuery
        }
        ,
        Qh.prototype.createQuery = function() {
            return this._occlusionQuery.createQuery()
        }
        ,
        Qh.prototype.deleteQuery = function(e) {
            return this._occlusionQuery.deleteQuery(e),
            this
        }
        ,
        Qh.prototype.isQueryResultAvailable = function(e) {
            return this._occlusionQuery.isQueryResultAvailable(e)
        }
        ,
        Qh.prototype.getQueryResult = function(e) {
            return this._occlusionQuery.getQueryResult(e)
        }
        ,
        Qh.prototype.beginOcclusionQuery = function(e, t) {
            var i;
            return this.compatibilityMode ? !!this._occlusionQuery.canBeginQuery && (null === (i = this._currentRenderPass) || void 0 === i || i.beginOcclusionQuery(t),
            !0) : ((0 === this._getCurrentRenderPassIndex() ? this._bundleList : this._bundleListRenderTarget).addItem(new Vh(t)),
            !0)
        }
        ,
        Qh.prototype.endOcclusionQuery = function() {
            var e;
            return this.compatibilityMode ? null === (e = this._currentRenderPass) || void 0 === e || e.endOcclusionQuery() : (0 === this._getCurrentRenderPassIndex() ? this._bundleList : this._bundleListRenderTarget).addItem(new kh),
            this
        }
        ,
        Qh.prototype.createRawTexture = function(e, t, i, n, r, o, s, l, c, u) {
            void 0 === l && (l = null),
            void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
            void 0 === u && (u = 0);
            var h = new Lt(this,At.Raw);
            return h.baseWidth = t,
            h.baseHeight = i,
            h.width = t,
            h.height = i,
            h.format = n,
            h.generateMipMaps = r,
            h.samplingMode = s,
            h.invertY = o,
            h._compression = l,
            h.type = c,
            this._doNotHandleContextLost || (h._bufferView = e),
            this._textureHelper.createGPUTextureForInternalTexture(h, t, i, void 0, u),
            this.updateRawTexture(h, e, n, o, l, c),
            this._internalTexturesCache.push(h),
            h
        }
        ,
        Qh.prototype.updateRawTexture = function(e, t, i, n, r, o) {
            if (void 0 === r && (r = null),
            void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
            e) {
                if (this._doNotHandleContextLost || (e._bufferView = t,
                e.invertY = n,
                e._compression = r),
                t) {
                    var s = e._hardwareTexture;
                    i === a.TEXTUREFORMAT_RGB && (t = $h(t, e.width, e.height, o));
                    var l = new Uint8Array(t.buffer,t.byteOffset,t.byteLength);
                    this._textureHelper.updateTexture(l, e, e.width, e.height, e.depth, s.format, 0, 0, n, !1, 0, 0),
                    e.generateMipMaps && this._generateMipmaps(e, this._uploadEncoder)
                }
                e.isReady = !0
            }
        }
        ,
        Qh.prototype.createRawCubeTexture = function(e, t, i, n, r, o, s, l) {
            void 0 === l && (l = null);
            var c = new Lt(this,At.CubeRaw);
            return n !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatLinearFiltering ? n !== a.TEXTURETYPE_HALF_FLOAT || this._caps.textureHalfFloatLinearFiltering ? n !== a.TEXTURETYPE_FLOAT || this._caps.textureFloatRender ? n !== a.TEXTURETYPE_HALF_FLOAT || this._caps.colorBufferFloat || (r = !1,
            K.Warn("Render to half float textures is not supported. Mipmap generation forced to false.")) : (r = !1,
            K.Warn("Render to float textures is not supported. Mipmap generation forced to false.")) : (r = !1,
            s = a.TEXTURE_NEAREST_SAMPLINGMODE,
            K.Warn("Half float texture filtering is not supported. Mipmap generation and sampling mode are forced to false and TEXTURE_NEAREST_SAMPLINGMODE, respectively.")) : (r = !1,
            s = a.TEXTURE_NEAREST_SAMPLINGMODE,
            K.Warn("Float texture filtering is not supported. Mipmap generation and sampling mode are forced to false and TEXTURE_NEAREST_SAMPLINGMODE, respectively.")),
            c.isCube = !0,
            c.format = i === a.TEXTUREFORMAT_RGB ? a.TEXTUREFORMAT_RGBA : i,
            c.type = n,
            c.generateMipMaps = r,
            c.width = t,
            c.height = t,
            c.samplingMode = s,
            this._doNotHandleContextLost || (c._bufferViewArray = e),
            c._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
            c._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
            this._textureHelper.createGPUTextureForInternalTexture(c),
            e && this.updateRawCubeTexture(c, e, i, n, o, l),
            c
        }
        ,
        Qh.prototype.updateRawCubeTexture = function(e, t, i, n, r, o) {
            void 0 === o && (o = null),
            e._bufferViewArray = t,
            e.invertY = r,
            e._compression = o;
            for (var s = e._hardwareTexture, l = i === a.TEXTUREFORMAT_RGB, c = [], u = 0; u < t.length; ++u) {
                var h = t[u];
                l && (h = $h(t[u], e.width, e.height, n)),
                c.push(new Uint8Array(h.buffer,h.byteOffset,h.byteLength))
            }
            this._textureHelper.updateCubeTextures(c, s.underlyingResource, e.width, e.height, s.format, r, !1, 0, 0),
            e.generateMipMaps && this._generateMipmaps(e, this._uploadEncoder),
            e.isReady = !0
        }
        ,
        Qh.prototype.createRawCubeTextureFromUrl = function(e, t, i, n, r, o, s, l, c, u, h, d) {
            var p = this;
            void 0 === c && (c = null),
            void 0 === u && (u = null),
            void 0 === h && (h = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
            void 0 === d && (d = !1);
            var f = this.createRawCubeTexture(null, i, n, r, !o, d, h, null);
            return null == t || t._addPendingData(f),
            f.url = e,
            this._internalTexturesCache.push(f),
            this._loadFile(e, (function(e) {
                !function(e) {
                    var i = f.width
                      , o = s(e);
                    if (o) {
                        var u = [0, 2, 4, 1, 3, 5];
                        if (l)
                            for (var h = n === a.TEXTUREFORMAT_RGB, _ = l(o), m = f._hardwareTexture, g = [0, 1, 2, 3, 4, 5], v = 0; v < _.length; v++) {
                                for (var y = i >> v, b = [], T = 0; T < 6; T++) {
                                    var E = _[v][g[T]];
                                    h && (E = $h(E, y, y, r)),
                                    b.push(new Uint8Array(E.buffer,E.byteOffset,E.byteLength))
                                }
                                p._textureHelper.updateCubeTextures(b, m.underlyingResource, y, y, m.format, d, !1, 0, 0)
                            }
                        else {
                            for (b = [],
                            T = 0; T < 6; T++)
                                b.push(o[u[T]]);
                            p.updateRawCubeTexture(f, b, n, r, d)
                        }
                        f.isReady = !0,
                        null == t || t._removePendingData(f),
                        c && c()
                    }
                }(e)
            }
            ), void 0, null == t ? void 0 : t.offlineProvider, !0, (function(e, i) {
                null == t || t._removePendingData(f),
                u && e && u(e.status + " " + e.statusText, i)
            }
            )),
            f
        }
        ,
        Qh.prototype.createRawTexture3D = function(e, t, i, n, r, o, s, l, c, u, h) {
            void 0 === c && (c = null),
            void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
            void 0 === h && (h = 0);
            var d = At.Raw3D
              , p = new Lt(this,d);
            return p.baseWidth = t,
            p.baseHeight = i,
            p.baseDepth = n,
            p.width = t,
            p.height = i,
            p.depth = n,
            p.format = r,
            p.type = u,
            p.generateMipMaps = o,
            p.samplingMode = l,
            p.is3D = !0,
            this._doNotHandleContextLost || (p._bufferView = e),
            this._textureHelper.createGPUTextureForInternalTexture(p, t, i, void 0, h),
            this.updateRawTexture3D(p, e, r, s, c, u),
            this._internalTexturesCache.push(p),
            p
        }
        ,
        Qh.prototype.updateRawTexture3D = function(e, t, i, n, r, o) {
            if (void 0 === r && (r = null),
            void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
            this._doNotHandleContextLost || (e._bufferView = t,
            e.format = i,
            e.invertY = n,
            e._compression = r),
            t) {
                var s = e._hardwareTexture;
                i === a.TEXTUREFORMAT_RGB && (t = $h(t, e.width, e.height, o));
                var l = new Uint8Array(t.buffer,t.byteOffset,t.byteLength);
                this._textureHelper.updateTexture(l, e, e.width, e.height, e.depth, s.format, 0, 0, n, !1, 0, 0),
                e.generateMipMaps && this._generateMipmaps(e, this._uploadEncoder)
            }
            e.isReady = !0
        }
        ,
        Qh.prototype.createRawTexture2DArray = function(e, t, i, n, r, o, s, l, c, u, h) {
            void 0 === c && (c = null),
            void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
            void 0 === h && (h = 0);
            var d = At.Raw2DArray
              , p = new Lt(this,d);
            return p.baseWidth = t,
            p.baseHeight = i,
            p.baseDepth = n,
            p.width = t,
            p.height = i,
            p.depth = n,
            p.format = r,
            p.type = u,
            p.generateMipMaps = o,
            p.samplingMode = l,
            p.is2DArray = !0,
            this._doNotHandleContextLost || (p._bufferView = e),
            this._textureHelper.createGPUTextureForInternalTexture(p, t, i, n, h),
            this.updateRawTexture2DArray(p, e, r, s, c, u),
            this._internalTexturesCache.push(p),
            p
        }
        ,
        Qh.prototype.updateRawTexture2DArray = function(e, t, i, n, r, o) {
            if (void 0 === r && (r = null),
            void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
            this._doNotHandleContextLost || (e._bufferView = t,
            e.format = i,
            e.invertY = n,
            e._compression = r),
            t) {
                var s = e._hardwareTexture;
                i === a.TEXTUREFORMAT_RGB && (t = $h(t, e.width, e.height, o));
                var l = new Uint8Array(t.buffer,t.byteOffset,t.byteLength);
                this._textureHelper.updateTexture(l, e, e.width, e.height, e.depth, s.format, 0, 0, n, !1, 0, 0),
                e.generateMipMaps && this._generateMipmaps(e, this._uploadEncoder)
            }
            e.isReady = !0
        }
        ,
        Qh.prototype._readTexturePixels = function(e, t, i, n, r, o, a, s) {
            void 0 === n && (n = -1),
            void 0 === r && (r = 0),
            void 0 === o && (o = null),
            void 0 === a && (a = !0),
            void 0 === s && (s = !1);
            var l = e._hardwareTexture;
            return a && this.flushFramebuffer(),
            this._textureHelper.readPixels(l.underlyingResource, 0, 0, t, i, l.format, n, r, o, s)
        }
        ,
        Qh.prototype._readTexturePixelsSync = function() {
            throw "_readTexturePixelsSync is unsupported in WebGPU!"
        }
        ;
        var ed = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t
        }(Fa);
        Qh.prototype._createHardwareRenderTargetWrapper = function(e, t, i) {
            var n = new ed(e,t,i,this);
            return this._renderTargetWrapperCache.push(n),
            n
        }
        ,
        Qh.prototype.createRenderTargetTexture = function(e, t) {
            var i, n = this._createHardwareRenderTargetWrapper(!1, !1, e), r = {};
            void 0 !== t && "object" == typeof t ? (r.generateMipMaps = t.generateMipMaps,
            r.generateDepthBuffer = void 0 === t.generateDepthBuffer || t.generateDepthBuffer,
            r.generateStencilBuffer = r.generateDepthBuffer && t.generateStencilBuffer,
            r.samplingMode = void 0 === t.samplingMode ? a.TEXTURE_TRILINEAR_SAMPLINGMODE : t.samplingMode,
            r.creationFlags = null !== (i = t.creationFlags) && void 0 !== i ? i : 0) : (r.generateMipMaps = t,
            r.generateDepthBuffer = !0,
            r.generateStencilBuffer = !1,
            r.samplingMode = a.TEXTURE_TRILINEAR_SAMPLINGMODE,
            r.creationFlags = 0);
            var o = this._createInternalTexture(e, t, !0, At.RenderTarget);
            return n._generateDepthBuffer = r.generateDepthBuffer,
            n._generateStencilBuffer = !!r.generateStencilBuffer,
            n.setTextures(o),
            (n._generateDepthBuffer || n._generateStencilBuffer) && n.createDepthStencilTexture(0, void 0 === r.samplingMode || r.samplingMode === a.TEXTURE_BILINEAR_SAMPLINGMODE || r.samplingMode === a.TEXTURE_LINEAR_LINEAR || r.samplingMode === a.TEXTURE_TRILINEAR_SAMPLINGMODE || r.samplingMode === a.TEXTURE_LINEAR_LINEAR_MIPLINEAR || r.samplingMode === a.TEXTURE_NEAREST_LINEAR_MIPNEAREST || r.samplingMode === a.TEXTURE_NEAREST_LINEAR_MIPLINEAR || r.samplingMode === a.TEXTURE_NEAREST_LINEAR || r.samplingMode === a.TEXTURE_LINEAR_LINEAR_MIPNEAREST, n._generateStencilBuffer, n.samples),
            void 0 !== t && "object" == typeof t && t.createMipMaps && !r.generateMipMaps && (o.generateMipMaps = !0),
            this._textureHelper.createGPUTextureForInternalTexture(o, void 0, void 0, void 0, r.creationFlags),
            void 0 !== t && "object" == typeof t && t.createMipMaps && !r.generateMipMaps && (o.generateMipMaps = !1),
            n
        }
        ,
        Qh.prototype._createDepthStencilTexture = function(e, t) {
            var i = new Lt(this,At.DepthStencil)
              , n = V({
                bilinearFiltering: !1,
                comparisonFunction: 0,
                generateStencil: !1,
                samples: 1,
                depthTextureFormat: a.TEXTUREFORMAT_DEPTH32_FLOAT
            }, t);
            return i.format = n.generateStencil ? a.TEXTUREFORMAT_DEPTH24_STENCIL8 : n.depthTextureFormat,
            this._setupDepthStencilTexture(i, e, n.generateStencil, n.bilinearFiltering, n.comparisonFunction, n.samples),
            this._textureHelper.createGPUTextureForInternalTexture(i),
            this._internalTexturesCache.push(i),
            i
        }
        ,
        Qh.prototype._setupDepthStencilTexture = function(e, t, i, n, r, o) {
            void 0 === o && (o = 1);
            var s = t.width || t
              , l = t.height || t
              , c = t.layers || 0;
            e.baseWidth = s,
            e.baseHeight = l,
            e.width = s,
            e.height = l,
            e.is2DArray = c > 0,
            e.depth = c,
            e.isReady = !0,
            e.samples = o,
            e.generateMipMaps = !1,
            e.samplingMode = n ? a.TEXTURE_BILINEAR_SAMPLINGMODE : a.TEXTURE_NEAREST_SAMPLINGMODE,
            e.type = a.TEXTURETYPE_FLOAT,
            e._comparisonFunction = r,
            e._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
            e._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE
        }
        ,
        Qh.prototype.updateRenderTargetTextureSampleCount = function(e, t) {
            return e && e.texture && e.samples !== t ? (t = Math.min(t, this.getCaps().maxMSAASamples),
            this._textureHelper.createMSAATexture(e.texture, t),
            e._depthStencilTexture && (this._textureHelper.createMSAATexture(e._depthStencilTexture, t),
            e._depthStencilTexture.samples = t),
            e.texture.samples = t,
            t) : t
        }
        ,
        Qh.prototype.createRenderTargetCubeTexture = function(e, t) {
            var i = this._createHardwareRenderTargetWrapper(!1, !0, e)
              , n = V({
                generateMipMaps: !0,
                generateDepthBuffer: !0,
                generateStencilBuffer: !1,
                type: a.TEXTURETYPE_UNSIGNED_INT,
                samplingMode: a.TEXTURE_TRILINEAR_SAMPLINGMODE,
                format: a.TEXTUREFORMAT_RGBA,
                samples: 1
            }, t);
            n.generateStencilBuffer = n.generateDepthBuffer && n.generateStencilBuffer,
            i._generateDepthBuffer = n.generateDepthBuffer,
            i._generateStencilBuffer = n.generateStencilBuffer;
            var r = new Lt(this,At.RenderTarget);
            return r.width = e,
            r.height = e,
            r.depth = 0,
            r.isReady = !0,
            r.isCube = !0,
            r.samples = n.samples,
            r.generateMipMaps = n.generateMipMaps,
            r.samplingMode = n.samplingMode,
            r.type = n.type,
            r.format = n.format,
            this._internalTexturesCache.push(r),
            i.setTextures(r),
            (i._generateDepthBuffer || i._generateStencilBuffer) && i.createDepthStencilTexture(0, void 0 === n.samplingMode || n.samplingMode === a.TEXTURE_BILINEAR_SAMPLINGMODE || n.samplingMode === a.TEXTURE_LINEAR_LINEAR || n.samplingMode === a.TEXTURE_TRILINEAR_SAMPLINGMODE || n.samplingMode === a.TEXTURE_LINEAR_LINEAR_MIPLINEAR || n.samplingMode === a.TEXTURE_NEAREST_LINEAR_MIPNEAREST || n.samplingMode === a.TEXTURE_NEAREST_LINEAR_MIPLINEAR || n.samplingMode === a.TEXTURE_NEAREST_LINEAR || n.samplingMode === a.TEXTURE_LINEAR_LINEAR_MIPNEAREST, i._generateStencilBuffer, i.samples),
            t && t.createMipMaps && !n.generateMipMaps && (r.generateMipMaps = !0),
            this._textureHelper.createGPUTextureForInternalTexture(r),
            t && t.createMipMaps && !n.generateMipMaps && (r.generateMipMaps = !1),
            i
        }
        ,
        Mt.prototype.setTextureSampler = function(e, t) {
            this._engine.setTextureSampler(e, t)
        }
        ,
        Qh.prototype.setTextureSampler = function(e, t) {
            var i;
            null === (i = this._currentMaterialContext) || void 0 === i || i.setSampler(e, t)
        }
        ,
        Mt.prototype.setStorageBuffer = function(e, t) {
            this._engine.setStorageBuffer(e, t)
        }
        ,
        Qh.prototype.createStorageBuffer = function(e, t) {
            return this._createBuffer(e, t | a.BUFFER_CREATIONFLAG_STORAGE)
        }
        ,
        Qh.prototype.updateStorageBuffer = function(e, t, i, n) {
            var r, o = e;
            void 0 === i && (i = 0),
            void 0 === n ? n = (r = t instanceof Array ? new Float32Array(t) : t instanceof ArrayBuffer ? new Uint8Array(t) : t).byteLength : r = t instanceof Array ? new Float32Array(t) : t instanceof ArrayBuffer ? new Uint8Array(t) : t,
            this._bufferManager.setSubData(o, i, r, 0, n)
        }
        ,
        Qh.prototype.readFromStorageBuffer = function(e, t, i, n) {
            var r = this;
            i = i || e.capacity;
            var o = this._bufferManager.createRawBuffer(i, fu.MapRead | fu.CopyDst);
            return this._renderTargetEncoder.copyBufferToBuffer(e.underlyingResource, null != t ? t : 0, o, 0, i),
            new Promise((function(e, t) {
                r.onEndFrameObservable.addOnce((function() {
                    o.mapAsync(_u.Read, 0, i).then((function() {
                        var t = o.getMappedRange(0, i)
                          , a = n;
                        if (void 0 === a)
                            (a = new Uint8Array(i)).set(new Uint8Array(t));
                        else {
                            var s = a.constructor;
                            (a = new s(a.buffer)).set(new s(t))
                        }
                        o.unmap(),
                        r._bufferManager.releaseBuffer(o),
                        e(a)
                    }
                    ), (function(e) {
                        return t(e)
                    }
                    ))
                }
                ))
            }
            ))
        }
        ,
        Qh.prototype.setStorageBuffer = function(e, t) {
            var i, n;
            null === (i = this._currentDrawContext) || void 0 === i || i.setBuffer(e, null !== (n = null == t ? void 0 : t.getBuffer()) && void 0 !== n ? n : null)
        }
        ,
        Qh.prototype.createUniformBuffer = function(e) {
            var t;
            return t = e instanceof Array ? new Float32Array(e) : e,
            this._bufferManager.createBuffer(t, fu.Uniform | fu.CopyDst)
        }
        ,
        Qh.prototype.createDynamicUniformBuffer = function(e) {
            return this.createUniformBuffer(e)
        }
        ,
        Qh.prototype.updateUniformBuffer = function(e, t, i, n) {
            void 0 === i && (i = 0);
            var r, o = e;
            void 0 === n ? n = (r = t instanceof Float32Array ? t : new Float32Array(t)).byteLength : r = t instanceof Float32Array ? t : new Float32Array(t),
            this._bufferManager.setSubData(o, i, r, 0, n)
        }
        ,
        Qh.prototype.bindUniformBufferBase = function(e, t, i) {
            this._currentDrawContext.setBuffer(i, e)
        }
        ,
        Qh.prototype.bindUniformBlock = function() {}
        ,
        Qh.prototype.updateVideoTexture = function(e, t, i) {
            var n, r = this;
            if (e && !e._isDisabled) {
                void 0 === this._videoTextureSupported && (this._videoTextureSupported = !0);
                var o = e._hardwareTexture;
                (null === (n = e._hardwareTexture) || void 0 === n ? void 0 : n.underlyingResource) || (o = this._textureHelper.createGPUTextureForInternalTexture(e)),
                this.createImageBitmap(t).then((function(t) {
                    r._textureHelper.updateTexture(t, e, e.width, e.height, e.depth, o.format, 0, 0, !i, !1, 0, 0),
                    e.generateMipMaps && r._generateMipmaps(e, r._uploadEncoder),
                    e.isReady = !0
                }
                )).catch((function() {
                    e.isReady = !0
                }
                ))
            }
        }
        ;
        var td, id = function() {
            function e() {}
            return e.CreateAsync = function(e, t) {
                return Qh.IsSupportedAsync.then((function(i) {
                    return i ? Qh.CreateAsync(e, t) : vr.IsSupported ? new Promise((function(i) {
                        i(new vr(e,void 0,t))
                    }
                    )) : new Promise((function(e) {
                        e(new dc(t))
                    }
                    ))
                }
                ))
            }
            ,
            e
        }(), nd = function() {
            function e() {}
            return e.COPY = 1,
            e.CUT = 2,
            e.PASTE = 3,
            e
        }(), rd = function() {
            function e(e, t) {
                this.type = e,
                this.event = t
            }
            return e.GetTypeFromCharacter = function(e) {
                switch (e) {
                case 67:
                    return nd.COPY;
                case 86:
                    return nd.PASTE;
                case 88:
                    return nd.CUT;
                default:
                    return -1
                }
            }
            ,
            e
        }();
        !function(e) {
            e[e.Clean = 0] = "Clean",
            e[e.Stop = 1] = "Stop",
            e[e.Sync = 2] = "Sync",
            e[e.NoSync = 3] = "NoSync"
        }(td || (td = {}));
        var od = function() {
            function e() {}
            return Object.defineProperty(e, "ForceFullSceneLoadingForIncremental", {
                get: function() {
                    return dr.ForceFullSceneLoadingForIncremental
                },
                set: function(e) {
                    dr.ForceFullSceneLoadingForIncremental = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "ShowLoadingScreen", {
                get: function() {
                    return dr.ShowLoadingScreen
                },
                set: function(e) {
                    dr.ShowLoadingScreen = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "loggingLevel", {
                get: function() {
                    return dr.loggingLevel
                },
                set: function(e) {
                    dr.loggingLevel = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "CleanBoneMatrixWeights", {
                get: function() {
                    return dr.CleanBoneMatrixWeights
                },
                set: function(e) {
                    dr.CleanBoneMatrixWeights = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.GetDefaultPlugin = function() {
                return e._RegisteredPlugins[".babylon"]
            }
            ,
            e._GetPluginForExtension = function(t) {
                return e._RegisteredPlugins[t] || (K.Warn("Unable to find a plugin to load " + t + " files. Trying to use .babylon default plugin. To load from a specific filetype (eg. gltf) see: https://doc.babylonjs.com/how_to/load_from_any_file_type"),
                e.GetDefaultPlugin())
            }
            ,
            e._GetPluginForDirectLoad = function(t) {
                for (var i in e._RegisteredPlugins) {
                    var n = e._RegisteredPlugins[i].plugin;
                    if (n.canDirectLoad && n.canDirectLoad(t))
                        return e._RegisteredPlugins[i]
                }
                return e.GetDefaultPlugin()
            }
            ,
            e._GetPluginForFilename = function(t) {
                var i = t.indexOf("?");
                -1 !== i && (t = t.substring(0, i));
                var n = t.lastIndexOf(".")
                  , r = t.substring(n, t.length).toLowerCase();
                return e._GetPluginForExtension(r)
            }
            ,
            e._GetDirectLoad = function(e) {
                return "data:" === e.substr(0, 5) ? e.substr(5) : null
            }
            ,
            e._FormatErrorMessage = function(e, t, i) {
                var n = "Unable to load from " + e.url;
                return t ? n += ": ".concat(t) : i && (n += ": ".concat(i)),
                n
            }
            ,
            e._LoadData = function(t, i, n, r, o, a, s) {
                var l, c = e._GetDirectLoad(t.url), u = s ? e._GetPluginForExtension(s) : c ? e._GetPluginForDirectLoad(t.url) : e._GetPluginForFilename(t.url);
                if (!(l = void 0 !== u.plugin.createPlugin ? u.plugin.createPlugin() : u.plugin))
                    throw "The loader plugin corresponding to the file type you are trying to load has not been found. If using es6, please import the plugin you wish to use before.";
                if (e.OnPluginActivatedObservable.notifyObservers(l),
                c && (l.canDirectLoad && l.canDirectLoad(t.url) || !ri(t.url))) {
                    if (l.directLoad) {
                        var h = l.directLoad(i, c);
                        h.then ? h.then((function(e) {
                            n(l, e)
                        }
                        )).catch((function(e) {
                            o("Error in directLoad of _loadData: " + e, e)
                        }
                        )) : n(l, h)
                    } else
                        n(l, c);
                    return l
                }
                var d = u.isBinary
                  , p = function(e, t) {
                    i.isDisposed ? o("Scene has been disposed") : n(l, e, t)
                }
                  , f = null
                  , _ = !1
                  , m = l.onDisposeObservable;
                m && m.add((function() {
                    _ = !0,
                    f && (f.abort(),
                    f = null),
                    a()
                }
                ));
                var g = function() {
                    if (!_) {
                        var e = function(e, t) {
                            o(null == e ? void 0 : e.statusText, t)
                        }
                          , n = t.file || t.url;
                        f = l.loadFile ? l.loadFile(i, n, p, r, d, e) : i._loadFile(n, p, r, !0, d, e)
                    }
                }
                  , v = i.getEngine()
                  , y = v.enableOfflineSupport;
                if (y) {
                    for (var b = !1, T = 0, E = i.disableOfflineSupportExceptionRules; T < E.length; T++)
                        if (E[T].test(t.url)) {
                            b = !0;
                            break
                        }
                    y = !b
                }
                return y && vr.OfflineProviderFactory ? i.offlineProvider = vr.OfflineProviderFactory(t.url, g, v.disableManifestCheck) : g(),
                l
            }
            ,
            e._GetFileInfo = function(e, t) {
                var i, n, r = null;
                if (t)
                    if (t.name) {
                        var o = t;
                        i = "file:".concat(o.name),
                        n = o.name,
                        r = o
                    } else if ("string" == typeof t && ae(t, "data:"))
                        i = t,
                        n = "";
                    else {
                        var a = t;
                        if ("/" === a.substr(0, 1))
                            return gi.Error("Wrong sceneFilename parameter"),
                            null;
                        i = e + a,
                        n = a
                    }
                else
                    i = e,
                    n = gi.GetFilename(e),
                    e = gi.GetFolderPath(e);
                return {
                    url: i,
                    rootUrl: e,
                    name: n,
                    file: r
                }
            }
            ,
            e.GetPluginForExtension = function(t) {
                return e._GetPluginForExtension(t).plugin
            }
            ,
            e.IsPluginForExtensionAvailable = function(t) {
                return !!e._RegisteredPlugins[t]
            }
            ,
            e.RegisterPlugin = function(t) {
                if ("string" == typeof t.extensions) {
                    var i = t.extensions;
                    e._RegisteredPlugins[i.toLowerCase()] = {
                        plugin: t,
                        isBinary: !1
                    }
                } else {
                    var n = t.extensions;
                    Object.keys(n).forEach((function(i) {
                        e._RegisteredPlugins[i.toLowerCase()] = {
                            plugin: t,
                            isBinary: n[i].isBinary
                        }
                    }
                    ))
                }
            }
            ,
            e.ImportMesh = function(t, i, n, r, o, a, s, l) {
                if (void 0 === n && (n = ""),
                void 0 === r && (r = E.LastCreatedScene),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                !r)
                    return K.Error("No scene available to import mesh to"),
                    null;
                var c = e._GetFileInfo(i, n);
                if (!c)
                    return null;
                var u = {};
                r._addPendingData(u);
                var h = function() {
                    r._removePendingData(u)
                }
                  , d = function(t, i) {
                    var n = e._FormatErrorMessage(c, t, i);
                    s ? s(r, n, new ft(n,pt.SceneLoaderError,i)) : K.Error(n),
                    h()
                }
                  , p = a ? function(e) {
                    try {
                        a(e)
                    } catch (e) {
                        d("Error in onProgress callback: " + e, e)
                    }
                }
                : void 0
                  , f = function(e, t, i, n, a, s, l) {
                    if (r.importedMeshesFiles.push(c.url),
                    o)
                        try {
                            o(e, t, i, n, a, s, l)
                        } catch (e) {
                            d("Error in onSuccess callback: " + e, e)
                        }
                    r._removePendingData(u)
                };
                return e._LoadData(c, r, (function(e, i, n) {
                    if (e.rewriteRootURL && (c.rootUrl = e.rewriteRootURL(c.rootUrl, n)),
                    e.importMesh) {
                        var o = e
                          , a = new Array
                          , s = new Array
                          , l = new Array;
                        if (!o.importMesh(t, r, i, c.rootUrl, a, s, l, d))
                            return;
                        r.loadingPluginName = e.name,
                        f(a, s, l, [], [], [], [])
                    } else
                        e.importMeshAsync(t, r, i, c.rootUrl, p, c.name).then((function(t) {
                            r.loadingPluginName = e.name,
                            f(t.meshes, t.particleSystems, t.skeletons, t.animationGroups, t.transformNodes, t.geometries, t.lights)
                        }
                        )).catch((function(e) {
                            d(e.message, e)
                        }
                        ))
                }
                ), p, d, h, l)
            }
            ,
            e.ImportMeshAsync = function(t, i, n, r, o, a) {
                return void 0 === n && (n = ""),
                void 0 === r && (r = E.LastCreatedScene),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                new Promise((function(s, l) {
                    e.ImportMesh(t, i, n, r, (function(e, t, i, n, r, o, a) {
                        s({
                            meshes: e,
                            particleSystems: t,
                            skeletons: i,
                            animationGroups: n,
                            transformNodes: r,
                            geometries: o,
                            lights: a
                        })
                    }
                    ), o, (function(e, t, i) {
                        l(i || new Error(t))
                    }
                    ), a)
                }
                ))
            }
            ,
            e.Load = function(t, i, n, r, o, a, s) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedEngine),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                n ? e.Append(t, i, new mn(n), r, o, a, s) : (gi.Error("No engine available"),
                null)
            }
            ,
            e.LoadAsync = function(t, i, n, r, o) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedEngine),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                new Promise((function(a, s) {
                    e.Load(t, i, n, (function(e) {
                        a(e)
                    }
                    ), r, (function(e, t, i) {
                        s(i || new Error(t))
                    }
                    ), o)
                }
                ))
            }
            ,
            e.Append = function(t, i, n, r, o, a, s) {
                var l = this;
                if (void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                !n)
                    return K.Error("No scene available to append to"),
                    null;
                var c = e._GetFileInfo(t, i);
                if (!c)
                    return null;
                e.ShowLoadingScreen && !this._ShowingLoadingScreen && (this._ShowingLoadingScreen = !0,
                n.getEngine().displayLoadingUI(),
                n.executeWhenReady((function() {
                    n.getEngine().hideLoadingUI(),
                    l._ShowingLoadingScreen = !1
                }
                )));
                var u = {};
                n._addPendingData(u);
                var h = function() {
                    n._removePendingData(u)
                }
                  , d = function(t, i) {
                    var r = e._FormatErrorMessage(c, t, i);
                    a ? a(n, r, new ft(r,pt.SceneLoaderError,i)) : K.Error(r),
                    h()
                }
                  , p = o ? function(e) {
                    try {
                        o(e)
                    } catch (e) {
                        d("Error in onProgress callback", e)
                    }
                }
                : void 0
                  , f = function() {
                    if (r)
                        try {
                            r(n)
                        } catch (e) {
                            d("Error in onSuccess callback", e)
                        }
                    n._removePendingData(u)
                };
                return e._LoadData(c, n, (function(e, t) {
                    if (e.load) {
                        if (!e.load(n, t, c.rootUrl, d))
                            return;
                        n.loadingPluginName = e.name,
                        f()
                    } else
                        e.loadAsync(n, t, c.rootUrl, p, c.name).then((function() {
                            n.loadingPluginName = e.name,
                            f()
                        }
                        )).catch((function(e) {
                            d(e.message, e)
                        }
                        ))
                }
                ), p, d, h, s)
            }
            ,
            e.AppendAsync = function(t, i, n, r, o) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                new Promise((function(a, s) {
                    e.Append(t, i, n, (function(e) {
                        a(e)
                    }
                    ), r, (function(e, t, i) {
                        s(i || new Error(t))
                    }
                    ), o)
                }
                ))
            }
            ,
            e.LoadAssetContainer = function(t, i, n, r, o, a, s) {
                if (void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                !n)
                    return K.Error("No scene available to load asset container to"),
                    null;
                var l = e._GetFileInfo(t, i);
                if (!l)
                    return null;
                var c = {};
                n._addPendingData(c);
                var u = function() {
                    n._removePendingData(c)
                }
                  , h = function(t, i) {
                    var r = e._FormatErrorMessage(l, t, i);
                    a ? a(n, r, new ft(r,pt.SceneLoaderError,i)) : K.Error(r),
                    u()
                }
                  , d = o ? function(e) {
                    try {
                        o(e)
                    } catch (e) {
                        h("Error in onProgress callback", e)
                    }
                }
                : void 0
                  , p = function(e) {
                    if (r)
                        try {
                            r(e)
                        } catch (e) {
                            h("Error in onSuccess callback", e)
                        }
                    n._removePendingData(c)
                };
                return e._LoadData(l, n, (function(e, t) {
                    if (e.loadAssetContainer) {
                        var i = e.loadAssetContainer(n, t, l.rootUrl, h);
                        if (!i)
                            return;
                        n.loadingPluginName = e.name,
                        p(i)
                    } else
                        e.loadAssetContainerAsync ? e.loadAssetContainerAsync(n, t, l.rootUrl, d, l.name).then((function(t) {
                            n.loadingPluginName = e.name,
                            p(t)
                        }
                        )).catch((function(e) {
                            h(e.message, e)
                        }
                        )) : h("LoadAssetContainer is not supported by this plugin. Plugin did not provide a loadAssetContainer or loadAssetContainerAsync method.")
                }
                ), d, h, u, s)
            }
            ,
            e.LoadAssetContainerAsync = function(t, i, n, r, o) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                new Promise((function(a, s) {
                    e.LoadAssetContainer(t, i, n, (function(e) {
                        a(e)
                    }
                    ), r, (function(e, t, i) {
                        s(i || new Error(t))
                    }
                    ), o)
                }
                ))
            }
            ,
            e.ImportAnimations = function(e, t, i, n, r, o, a, s, l, c) {
                if (void 0 === t && (t = ""),
                void 0 === i && (i = E.LastCreatedScene),
                void 0 === n && (n = !0),
                void 0 === r && (r = td.Clean),
                void 0 === o && (o = null),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                i) {
                    if (n) {
                        for (var u = 0, h = i.animatables; u < h.length; u++)
                            h[u].reset();
                        i.stopAllAnimations(),
                        i.animationGroups.slice().forEach((function(e) {
                            e.dispose()
                        }
                        )),
                        i.getNodes().forEach((function(e) {
                            e.animations && (e.animations = [])
                        }
                        ))
                    } else
                        switch (r) {
                        case td.Clean:
                            i.animationGroups.slice().forEach((function(e) {
                                e.dispose()
                            }
                            ));
                            break;
                        case td.Stop:
                            i.animationGroups.forEach((function(e) {
                                e.stop()
                            }
                            ));
                            break;
                        case td.Sync:
                            i.animationGroups.forEach((function(e) {
                                e.reset(),
                                e.restart()
                            }
                            ));
                            break;
                        case td.NoSync:
                            break;
                        default:
                            return void K.Error("Unknown animation group loading mode value '" + r + "'")
                        }
                    var d = i.animatables.length;
                    this.LoadAssetContainer(e, t, i, (function(e) {
                        e.mergeAnimationsTo(i, i.animatables.slice(d), o),
                        e.dispose(),
                        i.onAnimationFileImportedObservable.notifyObservers(i),
                        a && a(i)
                    }
                    ), s, l, c)
                } else
                    K.Error("No scene available to load animations to")
            }
            ,
            e.ImportAnimationsAsync = function(t, i, n, r, o, a, s, l, c, u) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === r && (r = !0),
                void 0 === o && (o = td.Clean),
                void 0 === a && (a = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                void 0 === u && (u = null),
                new Promise((function(s, c) {
                    e.ImportAnimations(t, i, n, r, o, a, (function(e) {
                        s(e)
                    }
                    ), l, (function(e, t, i) {
                        c(i || new Error(t))
                    }
                    ), u)
                }
                ))
            }
            ,
            e.NO_LOGGING = a.SCENELOADER_NO_LOGGING,
            e.MINIMAL_LOGGING = a.SCENELOADER_MINIMAL_LOGGING,
            e.SUMMARY_LOGGING = a.SCENELOADER_SUMMARY_LOGGING,
            e.DETAILED_LOGGING = a.SCENELOADER_DETAILED_LOGGING,
            e.OnPluginActivatedObservable = new h,
            e._RegisteredPlugins = {},
            e._ShowingLoadingScreen = !1,
            e
        }()
          , ad = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.controllerType = ba.DAYDREAM,
                i
            }
            return U(t, e),
            t.prototype.initControllerMesh = function(e, i) {
                var n = this;
                od.ImportMesh("", t.MODEL_BASE_URL, t.MODEL_FILENAME, e, (function(e) {
                    n._defaultModel = e[1],
                    n.attachToMesh(n._defaultModel),
                    i && i(n._defaultModel)
                }
                ))
            }
            ,
            t.prototype._handleButtonChange = function(e, t) {
                if (0 === e) {
                    var i = this.onTriggerStateChangedObservable;
                    i && i.notifyObservers(t)
                } else
                    K.Warn("Unrecognized Daydream button index: ".concat(e))
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/generic/",
            t.MODEL_FILENAME = "generic.babylon",
            t.GAMEPAD_ID_PREFIX = "Daydream",
            t
        }(_s);
        xa._ControllerFactories.push({
            canCreate: function(e) {
                return 0 === e.id.indexOf(ad.GAMEPAD_ID_PREFIX)
            },
            create: function(e) {
                return new ad(e)
            }
        });
        var sd = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i._buttonIndexToObservableNameMap = ["onPadStateChangedObservable", "onTriggerStateChangedObservable"],
                i.controllerType = ba.GEAR_VR,
                i._calculatedPosition = new x("left" == i.hand ? -.15 : .15,-.5,.25),
                i._disableTrackPosition(i._calculatedPosition),
                i
            }
            return U(t, e),
            t.prototype.initControllerMesh = function(e, i) {
                var n = this;
                od.ImportMesh("", t.MODEL_BASE_URL, t.MODEL_FILENAME, e, (function(t) {
                    var r = new Vr("",e);
                    t[1].parent = r,
                    t[1].position.z = -.15,
                    n._defaultModel = r,
                    n.attachToMesh(n._defaultModel),
                    i && i(n._defaultModel)
                }
                ))
            }
            ,
            t.prototype._handleButtonChange = function(e, t) {
                if (e < this._buttonIndexToObservableNameMap.length) {
                    var i = this[this._buttonIndexToObservableNameMap[e]];
                    i && i.notifyObservers(t)
                }
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/generic/",
            t.MODEL_FILENAME = "generic.babylon",
            t.GAMEPAD_ID_PREFIX = "Gear VR",
            t
        }(_s);
        xa._ControllerFactories.push({
            canCreate: function(e) {
                return 0 === e.id.indexOf(sd.GAMEPAD_ID_PREFIX) || -1 !== e.id.indexOf("Oculus Go") || -1 !== e.id.indexOf("Vive Focus")
            },
            create: function(e) {
                return new sd(e)
            }
        });
        var ld = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            t.prototype.initControllerMesh = function(e, i) {
                var n = this;
                od.ImportMesh("", t.MODEL_BASE_URL, t.MODEL_FILENAME, e, (function(e) {
                    n._defaultModel = e[1],
                    n.attachToMesh(n._defaultModel),
                    i && i(n._defaultModel)
                }
                ))
            }
            ,
            t.prototype._handleButtonChange = function(e, t) {
                console.log("Button id: " + e + "state: "),
                console.dir(t)
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/generic/",
            t.MODEL_FILENAME = "generic.babylon",
            t
        }(_s);
        xa._DefaultControllerFactory = function(e) {
            return new ld(e)
        }
        ;
        var cd = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.onSecondaryTriggerStateChangedObservable = new h,
                i.onThumbRestChangedObservable = new h,
                i.controllerType = ba.OCULUS,
                i
            }
            return U(t, e),
            t.prototype.initControllerMesh = function(e, i) {
                var n, r = this;
                n = "left" === this.hand ? t.MODEL_LEFT_FILENAME : t.MODEL_RIGHT_FILENAME,
                od.ImportMesh("", t._IsQuest ? t.QUEST_MODEL_BASE_URL : t.MODEL_BASE_URL, n, e, (function(e) {
                    r._defaultModel = t._IsQuest ? e[0] : e[1],
                    r.attachToMesh(r._defaultModel),
                    i && i(r._defaultModel)
                }
                ))
            }
            ,
            Object.defineProperty(t.prototype, "onAButtonStateChangedObservable", {
                get: function() {
                    if ("right" === this.hand)
                        return this.onMainButtonStateChangedObservable;
                    throw new Error("No A button on left hand")
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onBButtonStateChangedObservable", {
                get: function() {
                    if ("right" === this.hand)
                        return this.onSecondaryButtonStateChangedObservable;
                    throw new Error("No B button on left hand")
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onXButtonStateChangedObservable", {
                get: function() {
                    if ("left" === this.hand)
                        return this.onMainButtonStateChangedObservable;
                    throw new Error("No X button on right hand")
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onYButtonStateChangedObservable", {
                get: function() {
                    if ("left" === this.hand)
                        return this.onSecondaryButtonStateChangedObservable;
                    throw new Error("No Y button on right hand")
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._handleButtonChange = function(e, i) {
                var n = i
                  , r = "right" === this.hand ? -1 : 1;
                switch (e) {
                case 0:
                    return void this.onPadStateChangedObservable.notifyObservers(n);
                case 1:
                    return !t._IsQuest && this._defaultModel && (this._defaultModel.getChildren()[3].rotation.x = .2 * -n.value,
                    this._defaultModel.getChildren()[3].position.y = .005 * -n.value,
                    this._defaultModel.getChildren()[3].position.z = .005 * -n.value),
                    void this.onTriggerStateChangedObservable.notifyObservers(n);
                case 2:
                    return !t._IsQuest && this._defaultModel && (this._defaultModel.getChildren()[4].position.x = r * n.value * .0035),
                    void this.onSecondaryTriggerStateChangedObservable.notifyObservers(n);
                case 3:
                    return !t._IsQuest && this._defaultModel && (n.pressed ? this._defaultModel.getChildren()[1].position.y = -.001 : this._defaultModel.getChildren()[1].position.y = 0),
                    void this.onMainButtonStateChangedObservable.notifyObservers(n);
                case 4:
                    return !t._IsQuest && this._defaultModel && (n.pressed ? this._defaultModel.getChildren()[2].position.y = -.001 : this._defaultModel.getChildren()[2].position.y = 0),
                    void this.onSecondaryButtonStateChangedObservable.notifyObservers(n);
                case 5:
                    return void this.onThumbRestChangedObservable.notifyObservers(n)
                }
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/oculus/",
            t.MODEL_LEFT_FILENAME = "left.babylon",
            t.MODEL_RIGHT_FILENAME = "right.babylon",
            t.QUEST_MODEL_BASE_URL = "https://controllers.babylonjs.com/oculusQuest/",
            t._IsQuest = !1,
            t
        }(_s);
        xa._ControllerFactories.push({
            canCreate: function(e) {
                return E.LastCreatedEngine && E.LastCreatedEngine._vrDisplay && "Oculus Quest" === E.LastCreatedEngine._vrDisplay.displayName && (cd._IsQuest = !0),
                -1 !== e.id.indexOf("Oculus Touch")
            },
            create: function(e) {
                return new cd(e)
            }
        });
        var ud = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.controllerType = ba.VIVE,
                i._invertLeftStickY = !0,
                i
            }
            return U(t, e),
            t.prototype.initControllerMesh = function(e, i) {
                var n = this;
                od.ImportMesh("", t.MODEL_BASE_URL, t.MODEL_FILENAME, e, (function(e) {
                    n._defaultModel = e[1],
                    n.attachToMesh(n._defaultModel),
                    i && i(n._defaultModel)
                }
                ))
            }
            ,
            Object.defineProperty(t.prototype, "onLeftButtonStateChangedObservable", {
                get: function() {
                    return this.onMainButtonStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onRightButtonStateChangedObservable", {
                get: function() {
                    return this.onMainButtonStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onMenuButtonStateChangedObservable", {
                get: function() {
                    return this.onSecondaryButtonStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._handleButtonChange = function(e, t) {
                var i = t;
                switch (e) {
                case 0:
                    return void this.onPadStateChangedObservable.notifyObservers(i);
                case 1:
                    return this._defaultModel && (this._defaultModel.getChildren()[6].rotation.x = .15 * -i.value),
                    void this.onTriggerStateChangedObservable.notifyObservers(i);
                case 2:
                    return void this.onMainButtonStateChangedObservable.notifyObservers(i);
                case 3:
                    return this._defaultModel && (i.pressed ? this._defaultModel.getChildren()[2].position.y = -.001 : this._defaultModel.getChildren()[2].position.y = 0),
                    void this.onSecondaryButtonStateChangedObservable.notifyObservers(i)
                }
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/vive/",
            t.MODEL_FILENAME = "wand.babylon",
            t
        }(_s);
        xa._ControllerFactories.push({
            canCreate: function(e) {
                return -1 !== e.id.toLowerCase().indexOf("openvr")
            },
            create: function(e) {
                return new ud(e)
            }
        });
        var hd = function() {
            this.buttonMeshes = {},
            this.axisMeshes = {}
        }
          , dd = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i._mapping = {
                    buttons: ["thumbstick", "trigger", "grip", "menu", "trackpad"],
                    buttonMeshNames: {
                        trigger: "SELECT",
                        menu: "MENU",
                        grip: "GRASP",
                        thumbstick: "THUMBSTICK_PRESS",
                        trackpad: "TOUCHPAD_PRESS"
                    },
                    buttonObservableNames: {
                        trigger: "onTriggerStateChangedObservable",
                        menu: "onSecondaryButtonStateChangedObservable",
                        grip: "onMainButtonStateChangedObservable",
                        thumbstick: "onPadStateChangedObservable",
                        trackpad: "onTrackpadChangedObservable"
                    },
                    axisMeshNames: ["THUMBSTICK_X", "THUMBSTICK_Y", "TOUCHPAD_TOUCH_X", "TOUCHPAD_TOUCH_Y"],
                    pointingPoseMeshName: Ra.POINTING_POSE
                },
                i.onTrackpadChangedObservable = new h,
                i.onTrackpadValuesChangedObservable = new h,
                i.trackpad = {
                    x: 0,
                    y: 0
                },
                i.controllerType = ba.WINDOWS,
                i._loadedMeshInfo = null,
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "onTriggerButtonStateChangedObservable", {
                get: function() {
                    return this.onTriggerStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onMenuButtonStateChangedObservable", {
                get: function() {
                    return this.onSecondaryButtonStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onGripButtonStateChangedObservable", {
                get: function() {
                    return this.onMainButtonStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onThumbstickButtonStateChangedObservable", {
                get: function() {
                    return this.onPadStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onTouchpadButtonStateChangedObservable", {
                get: function() {
                    return this.onTrackpadChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "onTouchpadValuesChangedObservable", {
                get: function() {
                    return this.onTrackpadValuesChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._updateTrackpad = function() {
                !this.browserGamepad.axes || this.browserGamepad.axes[2] == this.trackpad.x && this.browserGamepad.axes[3] == this.trackpad.y || (this.trackpad.x = this.browserGamepad.axes[this._mapping.axisMeshNames.indexOf("TOUCHPAD_TOUCH_X")],
                this.trackpad.y = this.browserGamepad.axes[this._mapping.axisMeshNames.indexOf("TOUCHPAD_TOUCH_Y")],
                this.onTrackpadValuesChangedObservable.notifyObservers(this.trackpad))
            }
            ,
            t.prototype.update = function() {
                if (e.prototype.update.call(this),
                this.browserGamepad.axes && (this._updateTrackpad(),
                this._loadedMeshInfo))
                    for (var t = 0; t < this._mapping.axisMeshNames.length; t++)
                        this._lerpAxisTransform(t, this.browserGamepad.axes[t])
            }
            ,
            t.prototype._handleButtonChange = function(e, t) {
                var i = this._mapping.buttons[e];
                if (i) {
                    this._updateTrackpad();
                    var n = this[this._mapping.buttonObservableNames[i]];
                    n && n.notifyObservers(t),
                    this._lerpButtonTransform(i, t.value)
                }
            }
            ,
            t.prototype._lerpButtonTransform = function(e, t) {
                if (this._loadedMeshInfo) {
                    var i = this._loadedMeshInfo.buttonMeshes[e];
                    i && i.unpressed.rotationQuaternion && i.pressed.rotationQuaternion && i.value.rotationQuaternion && (C.SlerpToRef(i.unpressed.rotationQuaternion, i.pressed.rotationQuaternion, t, i.value.rotationQuaternion),
                    x.LerpToRef(i.unpressed.position, i.pressed.position, t, i.value.position))
                }
            }
            ,
            t.prototype._lerpAxisTransform = function(e, t) {
                if (this._loadedMeshInfo) {
                    var i = this._loadedMeshInfo.axisMeshes[e];
                    if (i && i.min.rotationQuaternion && i.max.rotationQuaternion && i.value.rotationQuaternion) {
                        var n = .5 * t + .5;
                        C.SlerpToRef(i.min.rotationQuaternion, i.max.rotationQuaternion, n, i.value.rotationQuaternion),
                        x.LerpToRef(i.min.position, i.max.position, n, i.value.position)
                    }
                }
            }
            ,
            t.prototype.initControllerMesh = function(e, i, n) {
                var r, o, a = this;
                if (void 0 === n && (n = !1),
                od.IsPluginForExtensionAvailable(".glb")) {
                    var s = "default";
                    if (this.id && !n) {
                        var l = this.id.match(t.GAMEPAD_ID_PATTERN);
                        s = l && l[0] || s
                    }
                    o = "left" === this.hand ? t.MODEL_LEFT_FILENAME : t.MODEL_RIGHT_FILENAME,
                    r = t.MODEL_BASE_URL + s + "/"
                } else
                    K.Warn("You need to reference GLTF loader to load Windows Motion Controllers model. Falling back to generic models"),
                    r = ld.MODEL_BASE_URL,
                    o = ld.MODEL_FILENAME;
                od.ImportMesh("", r, o, e, (function(t) {
                    a._loadedMeshInfo = a._processModel(e, t),
                    a._loadedMeshInfo && (a._defaultModel = a._loadedMeshInfo.rootNode,
                    a.attachToMesh(a._defaultModel),
                    i && i(a._defaultModel))
                }
                ), null, (function(e, t) {
                    K.Log(t),
                    K.Warn("Failed to retrieve controller model from the remote server: " + r + o),
                    n || a.initControllerMesh(e, i, !0)
                }
                ))
            }
            ,
            t.prototype._processModel = function(e, t) {
                for (var i = null, n = new Vr(this.id + " " + this.hand,e), r = null, o = 0; o < t.length; o++) {
                    var a = t[o];
                    if (!a.parent) {
                        a.isPickable = !1,
                        r = a;
                        break
                    }
                }
                return r ? (r.setParent(n),
                i = this._createMeshInfo(n)) : K.Warn("Could not find root node in model file."),
                i
            }
            ,
            t.prototype._createMeshInfo = function(e) {
                var t, i = new hd;
                for (i.rootNode = e,
                i.buttonMeshes = {},
                i.axisMeshes = {},
                t = 0; t < this._mapping.buttons.length; t++) {
                    var n = this._mapping.buttonMeshNames[this._mapping.buttons[t]];
                    if (n) {
                        var r = c(e, n);
                        if (r) {
                            var o = {
                                index: t,
                                value: u(r, "VALUE"),
                                pressed: u(r, "PRESSED"),
                                unpressed: u(r, "UNPRESSED")
                            };
                            o.value && o.pressed && o.unpressed ? i.buttonMeshes[this._mapping.buttons[t]] = o : K.Warn("Missing button submesh under mesh with name: " + n + "(VALUE: " + !!o.value + ", PRESSED: " + !!o.pressed + ", UNPRESSED:" + !!o.unpressed + ")")
                        } else
                            K.Warn("Missing button mesh with name: " + n)
                    } else
                        K.Log("Skipping unknown button at index: " + t + " with mapped name: " + this._mapping.buttons[t])
                }
                for (t = 0; t < this._mapping.axisMeshNames.length; t++) {
                    var a = this._mapping.axisMeshNames[t];
                    if (a) {
                        var s = c(e, a);
                        if (s) {
                            var l = {
                                index: t,
                                value: u(s, "VALUE"),
                                min: u(s, "MIN"),
                                max: u(s, "MAX")
                            };
                            l.value && l.min && l.max ? i.axisMeshes[t] = l : K.Warn("Missing axis submesh under mesh with name: " + a + "(VALUE: " + !!l.value + ", MIN: " + !!l.min + ", MAX:" + !!l.max + ")")
                        } else
                            K.Warn("Missing axis mesh with name: " + a)
                    } else
                        K.Log("Skipping unknown axis at index: " + t)
                }
                return i.pointingPoseNode = c(e, this._mapping.pointingPoseMeshName),
                i.pointingPoseNode ? this._pointingPoseNode = i.pointingPoseNode : K.Warn("Missing pointing pose mesh with name: " + this._mapping.pointingPoseMeshName),
                i;
                function c(e, t) {
                    return e.getChildren((function(e) {
                        return e.name === t
                    }
                    ), !1)[0]
                }
                function u(e, t) {
                    return e.getChildren((function(e) {
                        return e.name == t
                    }
                    ), !0)[0]
                }
            }
            ,
            t.prototype.getForwardRay = function(t) {
                if (void 0 === t && (t = 100),
                !this._loadedMeshInfo || !this._loadedMeshInfo.pointingPoseNode)
                    return e.prototype.getForwardRay.call(this, t);
                var i = this._loadedMeshInfo.pointingPoseNode.getWorldMatrix()
                  , n = i.getTranslation()
                  , r = new x(0,0,-1)
                  , o = x.TransformNormal(r, i)
                  , a = x.Normalize(o);
                return new _o(n,a,t)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onTrackpadChangedObservable.clear(),
                this.onTrackpadValuesChangedObservable.clear()
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/microsoft/",
            t.MODEL_LEFT_FILENAME = "left.glb",
            t.MODEL_RIGHT_FILENAME = "right.glb",
            t.GAMEPAD_ID_PREFIX = "Spatial Controller (Spatial Interaction Source) ",
            t.GAMEPAD_ID_PATTERN = /([0-9a-zA-Z]+-[0-9a-zA-Z]+)$/,
            t
        }(_s)
          , pd = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i._mapping = {
                    buttons: ["trigger", "grip", "trackpad", "thumbstick", "menu"],
                    buttonMeshNames: {
                        trigger: "SELECT",
                        menu: "MENU",
                        grip: "GRASP",
                        thumbstick: "THUMBSTICK_PRESS",
                        trackpad: "TOUCHPAD_PRESS"
                    },
                    buttonObservableNames: {
                        trigger: "onTriggerStateChangedObservable",
                        menu: "onSecondaryButtonStateChangedObservable",
                        grip: "onMainButtonStateChangedObservable",
                        thumbstick: "onThumbstickStateChangedObservable",
                        trackpad: "onTrackpadChangedObservable"
                    },
                    axisMeshNames: ["TOUCHPAD_TOUCH_X", "TOUCHPAD_TOUCH_Y", "THUMBSTICK_X", "THUMBSTICK_Y"],
                    pointingPoseMeshName: Ra.POINTING_POSE
                },
                i.thumbstickValues = {
                    x: 0,
                    y: 0
                },
                i.onThumbstickStateChangedObservable = new h,
                i.onThumbstickValuesChangedObservable = new h,
                i.onTrackpadChangedObservable = i.onPadStateChangedObservable,
                i.onTrackpadValuesChangedObservable = i.onPadValuesChangedObservable,
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "onThumbstickButtonStateChangedObservable", {
                get: function() {
                    return this.onThumbstickStateChangedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._updateTrackpad = function() {
                !this.browserGamepad.axes || this.browserGamepad.axes[2] == this.thumbstickValues.x && this.browserGamepad.axes[3] == this.thumbstickValues.y || (this.trackpad.x = this.browserGamepad.axes[2],
                this.trackpad.y = this.browserGamepad.axes[3],
                this.onThumbstickValuesChangedObservable.notifyObservers(this.trackpad))
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onThumbstickStateChangedObservable.clear(),
                this.onThumbstickValuesChangedObservable.clear()
            }
            ,
            t
        }(dd);
        xa._ControllerFactories.push({
            canCreate: function(e) {
                return 0 === e.id.indexOf(dd.GAMEPAD_ID_PREFIX)
            },
            create: function(e) {
                return new dd(e)
            }
        });
        var fd = function(e) {
            function t(t, i, n, r, o) {
                void 0 === i && (i = D.Gray()),
                void 0 === n && (n = El.DefaultUtilityLayer),
                void 0 === r && (r = null),
                void 0 === o && (o = 1);
                var a, s, l, c, u, d, p, f = this;
                (f = e.call(this, n) || this)._pointerObserver = null,
                f.snapDistance = 0,
                f.onSnapObservable = new h,
                f.uniformScaling = !1,
                f.sensitivity = 1,
                f.dragScale = 1,
                f._isEnabled = !0,
                f._parent = null,
                f._dragging = !1,
                f._tmpVector = new x,
                f._tmpMatrix = new P,
                f._tmpMatrix2 = new P,
                f._parent = r,
                f._coloredMaterial = new Os("",n.utilityLayerScene),
                f._coloredMaterial.diffuseColor = i,
                f._coloredMaterial.specularColor = i.subtract(new D(.1,.1,.1)),
                f._hoverMaterial = new Os("",n.utilityLayerScene),
                f._hoverMaterial.diffuseColor = D.Yellow(),
                f._disableMaterial = new Os("",n.utilityLayerScene),
                f._disableMaterial.diffuseColor = D.Gray(),
                f._disableMaterial.alpha = .4,
                f._gizmoMesh = new Vr("axis",n.utilityLayerScene);
                var _ = f._createGizmoMesh(f._gizmoMesh, o)
                  , m = _.arrowMesh
                  , g = _.arrowTail
                  , v = f._createGizmoMesh(f._gizmoMesh, o + 4, !0);
                f._gizmoMesh.lookAt(f._rootMesh.position.add(t)),
                f._rootMesh.addChild(f._gizmoMesh),
                f._gizmoMesh.scaling.scaleInPlace(1 / 3);
                var y = m.position.clone()
                  , b = g.position.clone()
                  , T = g.scaling.clone()
                  , E = function(e) {
                    var t = e * (3 / f._rootMesh.scaling.length()) * 6;
                    m.position.z += t / 3.5,
                    g.scaling.y += t,
                    f.dragScale = g.scaling.y,
                    g.position.z = m.position.z / 2
                }
                  , S = function() {
                    m.position.set(y.x, y.y, y.z),
                    g.position.set(b.x, b.y, b.z),
                    g.scaling.set(T.x, T.y, T.z),
                    f.dragScale = g.scaling.y,
                    f._dragging = !1
                };
                f.dragBehavior = new Ao({
                    dragAxis: t
                }),
                f.dragBehavior.moveAttached = !1,
                f._rootMesh.addBehavior(f.dragBehavior);
                var A = 0
                  , R = new x
                  , C = {
                    snapDistance: 0
                };
                f.dragBehavior.onDragObservable.add((function(e) {
                    if (f.attachedNode) {
                        f._handlePivot();
                        var i = f.sensitivity * e.dragDistance * (3 * f.scaleRatio / f._rootMesh.scaling.length())
                          , n = !1
                          , r = 0;
                        f.uniformScaling ? R.setAll(.57735) : R.copyFrom(t),
                        0 == f.snapDistance ? R.scaleToRef(i, R) : (A += i,
                        Math.abs(A) > f.snapDistance ? (r = Math.floor(Math.abs(A) / f.snapDistance),
                        A < 0 && (r *= -1),
                        A %= f.snapDistance,
                        R.scaleToRef(f.snapDistance * r, R),
                        n = !0) : R.scaleInPlace(0)),
                        P.ScalingToRef(1 + R.x, 1 + R.y, 1 + R.z, f._tmpMatrix2),
                        f._tmpMatrix2.multiplyToRef(f.attachedNode.getWorldMatrix(), f._tmpMatrix),
                        f._tmpMatrix.decompose(f._tmpVector);
                        var o = 1e5;
                        Math.abs(f._tmpVector.x) < o && Math.abs(f._tmpVector.y) < o && Math.abs(f._tmpVector.z) < o && f.attachedNode.getWorldMatrix().copyFrom(f._tmpMatrix),
                        n && (C.snapDistance = f.snapDistance * r,
                        f.onSnapObservable.notifyObservers(C)),
                        f._matrixChanged()
                    }
                }
                )),
                f.dragBehavior.onDragStartObservable.add((function() {
                    f._dragging = !0
                }
                )),
                f.dragBehavior.onDragObservable.add((function(e) {
                    return E(e.dragDistance)
                }
                )),
                f.dragBehavior.onDragEndObservable.add(S),
                null === (l = null === (s = null === (a = null == r ? void 0 : r.uniformScaleGizmo) || void 0 === a ? void 0 : a.dragBehavior) || void 0 === s ? void 0 : s.onDragObservable) || void 0 === l || l.add((function(e) {
                    return E(e.delta.y)
                }
                )),
                null === (d = null === (u = null === (c = null == r ? void 0 : r.uniformScaleGizmo) || void 0 === c ? void 0 : c.dragBehavior) || void 0 === u ? void 0 : u.onDragEndObservable) || void 0 === d || d.add(S);
                var M = {
                    gizmoMeshes: [m, g],
                    colliderMeshes: [v.arrowMesh, v.arrowTail],
                    material: f._coloredMaterial,
                    hoverMaterial: f._hoverMaterial,
                    disableMaterial: f._disableMaterial,
                    active: !1,
                    dragBehavior: f.dragBehavior
                };
                null === (p = f._parent) || void 0 === p || p.addToAxisCache(f._gizmoMesh, M),
                f._pointerObserver = n.utilityLayerScene.onPointerObservable.add((function(e) {
                    var t;
                    if (!f._customMeshSet && (f._isHovered = !(-1 == M.colliderMeshes.indexOf(null === (t = null == e ? void 0 : e.pickInfo) || void 0 === t ? void 0 : t.pickedMesh)),
                    !f._parent)) {
                        var i = f.dragBehavior.enabled ? f._isHovered || f._dragging ? f._hoverMaterial : f._coloredMaterial : f._disableMaterial;
                        f._setGizmoMeshMaterial(M.gizmoMeshes, i)
                    }
                }
                )),
                f.dragBehavior.onEnabledObservable.add((function(e) {
                    f._setGizmoMeshMaterial(M.gizmoMeshes, e ? f._coloredMaterial : f._disableMaterial)
                }
                ));
                var I = n._getSharedGizmoLight();
                return I.includedOnlyMeshes = I.includedOnlyMeshes.concat(f._rootMesh.getChildMeshes()),
                f
            }
            return U(t, e),
            t.prototype._createGizmoMesh = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = Ml("yPosMesh", {
                    size: .4 * (1 + (t - 1) / 4)
                }, this.gizmoLayer.utilityLayerScene)
                  , r = Ys("cylinder", {
                    diameterTop: .005 * t,
                    height: .275,
                    diameterBottom: .005 * t,
                    tessellation: 96
                }, this.gizmoLayer.utilityLayerScene);
                return n.scaling.scaleInPlace(.1),
                n.material = this._coloredMaterial,
                n.rotation.x = Math.PI / 2,
                n.position.z += .3,
                r.material = this._coloredMaterial,
                r.position.z += .1375,
                r.rotation.x = Math.PI / 2,
                i && (n.visibility = 0,
                r.visibility = 0),
                e.addChild(n),
                e.addChild(r),
                {
                    arrowMesh: n,
                    arrowTail: r
                }
            }
            ,
            t.prototype._attachedNodeChanged = function(e) {
                this.dragBehavior && (this.dragBehavior.enabled = !!e)
            }
            ,
            Object.defineProperty(t.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled = e,
                    e ? this._parent && (this.attachedMesh = this._parent.attachedMesh,
                    this.attachedNode = this._parent.attachedNode) : (this.attachedMesh = null,
                    this.attachedNode = null)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                this.onSnapObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this.dragBehavior.detach(),
                this._gizmoMesh && this._gizmoMesh.dispose(),
                [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.setCustomMesh = function(t, i) {
                var n = this;
                void 0 === i && (i = !1),
                e.prototype.setCustomMesh.call(this, t),
                i && (this._rootMesh.getChildMeshes().forEach((function(e) {
                    e.material = n._coloredMaterial,
                    e.color && (e.color = n._coloredMaterial.diffuseColor)
                }
                )),
                this._customMeshSet = !1)
            }
            ,
            t
        }(Sl)
          , _d = function(e) {
            function t(t, i) {
                void 0 === t && (t = D.Gray()),
                void 0 === i && (i = El.DefaultKeepDepthUtilityLayer);
                var n = e.call(this, i) || this;
                n._boundingDimensions = new x(1,1,1),
                n._renderObserver = null,
                n._pointerObserver = null,
                n._scaleDragSpeed = .2,
                n._tmpQuaternion = new C,
                n._tmpVector = new x(0,0,0),
                n._tmpRotationMatrix = new P,
                n.ignoreChildren = !1,
                n.includeChildPredicate = null,
                n.rotationSphereSize = .1,
                n.scaleBoxSize = .1,
                n.fixedDragMeshScreenSize = !1,
                n.fixedDragMeshBoundsSize = !1,
                n.fixedDragMeshScreenSizeDistanceFactor = 10,
                n.onDragStartObservable = new h,
                n.onScaleBoxDragObservable = new h,
                n.onScaleBoxDragEndObservable = new h,
                n.onRotationSphereDragObservable = new h,
                n.onRotationSphereDragEndObservable = new h,
                n.scalePivot = null,
                n._axisFactor = new x(1,1,1),
                n._existingMeshScale = new x,
                n._dragMesh = null,
                n._pointerDragBehavior = new Ao,
                n.updateScale = !1,
                n._anchorMesh = new Sr("anchor",i.utilityLayerScene),
                n._coloredMaterial = new Os("",i.utilityLayerScene),
                n._coloredMaterial.disableLighting = !0,
                n._hoverColoredMaterial = new Os("",i.utilityLayerScene),
                n._hoverColoredMaterial.disableLighting = !0,
                n._lineBoundingBox = new Sr("",i.utilityLayerScene),
                n._lineBoundingBox.rotationQuaternion = new C;
                var r = [];
                r.push(Jl("lines", {
                    points: [new x(0,0,0), new x(n._boundingDimensions.x,0,0)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,0,0), new x(0,n._boundingDimensions.y,0)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,0,0), new x(0,0,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(n._boundingDimensions.x,0,0), new x(n._boundingDimensions.x,n._boundingDimensions.y,0)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(n._boundingDimensions.x,0,0), new x(n._boundingDimensions.x,0,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,n._boundingDimensions.y,0), new x(n._boundingDimensions.x,n._boundingDimensions.y,0)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,n._boundingDimensions.y,0), new x(0,n._boundingDimensions.y,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,0,n._boundingDimensions.z), new x(n._boundingDimensions.x,0,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(0,0,n._boundingDimensions.z), new x(0,n._boundingDimensions.y,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(n._boundingDimensions.x,n._boundingDimensions.y,n._boundingDimensions.z), new x(0,n._boundingDimensions.y,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(n._boundingDimensions.x,n._boundingDimensions.y,n._boundingDimensions.z), new x(n._boundingDimensions.x,0,n._boundingDimensions.z)]
                }, i.utilityLayerScene)),
                r.push(Jl("lines", {
                    points: [new x(n._boundingDimensions.x,n._boundingDimensions.y,n._boundingDimensions.z), new x(n._boundingDimensions.x,n._boundingDimensions.y,0)]
                }, i.utilityLayerScene)),
                r.forEach((function(e) {
                    e.color = t,
                    e.position.addInPlace(new x(-n._boundingDimensions.x / 2,-n._boundingDimensions.y / 2,-n._boundingDimensions.z / 2)),
                    e.isPickable = !1,
                    n._lineBoundingBox.addChild(e)
                }
                )),
                n._rootMesh.addChild(n._lineBoundingBox),
                n.setColor(t),
                n._rotateSpheresParent = new Sr("",i.utilityLayerScene),
                n._rotateSpheresParent.rotationQuaternion = new C;
                for (var o = function(e) {
                    var t = Dl("", {
                        diameter: 1
                    }, i.utilityLayerScene);
                    t.rotationQuaternion = new C,
                    t.material = a._coloredMaterial,
                    t.isNearGrabbable = !0;
                    var r = new Ao({});
                    r.moveAttached = !1,
                    r.updateDragPlane = !1,
                    t.addBehavior(r);
                    var o = new x(1,0,0)
                      , s = 0;
                    r.onDragStartObservable.add((function() {
                        o.copyFrom(t.forward),
                        s = 0
                    }
                    )),
                    r.onDragObservable.add((function(t) {
                        if (n.onRotationSphereDragObservable.notifyObservers({}),
                        n.attachedMesh) {
                            var i = n.attachedMesh.parent;
                            if (i && i.scaling && i.scaling.isNonUniformWithinEpsilon(.001))
                                return void K.Warn("BoundingBoxGizmo controls are not supported on child meshes with non-uniform parent scaling");
                            mo._RemoveAndStorePivotPoint(n.attachedMesh);
                            var r = o
                              , a = t.dragPlaneNormal.scale(x.Dot(t.dragPlaneNormal, r))
                              , l = r.subtract(a).normalizeToNew()
                              , c = x.Dot(l, t.delta) < 0 ? Math.abs(t.delta.length()) : -Math.abs(t.delta.length());
                            c = c / n._boundingDimensions.length() * n._anchorMesh.scaling.length(),
                            n.attachedMesh.rotationQuaternion || (n.attachedMesh.rotationQuaternion = C.RotationYawPitchRoll(n.attachedMesh.rotation.y, n.attachedMesh.rotation.x, n.attachedMesh.rotation.z)),
                            n._anchorMesh.rotationQuaternion || (n._anchorMesh.rotationQuaternion = C.RotationYawPitchRoll(n._anchorMesh.rotation.y, n._anchorMesh.rotation.x, n._anchorMesh.rotation.z)),
                            s += c,
                            Math.abs(s) <= 2 * Math.PI && (e >= 8 ? C.RotationYawPitchRollToRef(0, 0, c, n._tmpQuaternion) : e >= 4 ? C.RotationYawPitchRollToRef(c, 0, 0, n._tmpQuaternion) : C.RotationYawPitchRollToRef(0, c, 0, n._tmpQuaternion),
                            n._anchorMesh.addChild(n.attachedMesh),
                            n._anchorMesh.rotationQuaternion.multiplyToRef(n._tmpQuaternion, n._anchorMesh.rotationQuaternion),
                            n._anchorMesh.removeChild(n.attachedMesh),
                            n.attachedMesh.setParent(i)),
                            n.updateBoundingBox(),
                            mo._RestorePivotPoint(n.attachedMesh)
                        }
                        n._updateDummy()
                    }
                    )),
                    r.onDragStartObservable.add((function() {
                        n.onDragStartObservable.notifyObservers({}),
                        n._selectNode(t)
                    }
                    )),
                    r.onDragEndObservable.add((function() {
                        n.onRotationSphereDragEndObservable.notifyObservers({}),
                        n._selectNode(null),
                        n._updateDummy()
                    }
                    )),
                    a._rotateSpheresParent.addChild(t)
                }, a = this, s = 0; s < 12; s++)
                    o(s);
                for (n._rootMesh.addChild(n._rotateSpheresParent),
                n._scaleBoxesParent = new Sr("",i.utilityLayerScene),
                n._scaleBoxesParent.rotationQuaternion = new C,
                s = 0; s < 3; s++)
                    for (var l = 0; l < 3; l++)
                        for (var c = function(e) {
                            var t = (1 === s ? 1 : 0) + (1 === l ? 1 : 0) + (1 === e ? 1 : 0);
                            if (1 === t || 3 === t)
                                return "continue";
                            var r = Ml("", {
                                size: 1
                            }, i.utilityLayerScene);
                            r.material = u._coloredMaterial,
                            r.metadata = 2 === t,
                            r.isNearGrabbable = !0;
                            var o = new x(s - 1,l - 1,e - 1).normalize()
                              , a = new Ao({
                                dragAxis: o
                            });
                            a.updateDragPlane = !1,
                            a.moveAttached = !1,
                            r.addBehavior(a),
                            a.onDragObservable.add((function(e) {
                                if (n.onScaleBoxDragObservable.notifyObservers({}),
                                n.attachedMesh) {
                                    var i = n.attachedMesh.parent;
                                    if (i && i.scaling && i.scaling.isNonUniformWithinEpsilon(.001))
                                        return void K.Warn("BoundingBoxGizmo controls are not supported on child meshes with non-uniform parent scaling");
                                    mo._RemoveAndStorePivotPoint(n.attachedMesh);
                                    var a = e.dragDistance / n._boundingDimensions.length() * n._anchorMesh.scaling.length()
                                      , s = new x(a,a,a);
                                    2 === t && (s.x *= Math.abs(o.x),
                                    s.y *= Math.abs(o.y),
                                    s.z *= Math.abs(o.z)),
                                    s.scaleInPlace(n._scaleDragSpeed),
                                    s.multiplyInPlace(n._axisFactor),
                                    n.updateBoundingBox(),
                                    n.scalePivot ? (n.attachedMesh.getWorldMatrix().getRotationMatrixToRef(n._tmpRotationMatrix),
                                    n._boundingDimensions.scaleToRef(.5, n._tmpVector),
                                    x.TransformCoordinatesToRef(n._tmpVector, n._tmpRotationMatrix, n._tmpVector),
                                    n._anchorMesh.position.subtractInPlace(n._tmpVector),
                                    n._boundingDimensions.multiplyToRef(n.scalePivot, n._tmpVector),
                                    x.TransformCoordinatesToRef(n._tmpVector, n._tmpRotationMatrix, n._tmpVector),
                                    n._anchorMesh.position.addInPlace(n._tmpVector)) : (r.absolutePosition.subtractToRef(n._anchorMesh.position, n._tmpVector),
                                    n._anchorMesh.position.subtractInPlace(n._tmpVector)),
                                    n._anchorMesh.addChild(n.attachedMesh),
                                    n._anchorMesh.scaling.addInPlace(s),
                                    (n._anchorMesh.scaling.x < 0 || n._anchorMesh.scaling.y < 0 || n._anchorMesh.scaling.z < 0) && n._anchorMesh.scaling.subtractInPlace(s),
                                    n._anchorMesh.removeChild(n.attachedMesh),
                                    n.attachedMesh.setParent(i),
                                    mo._RestorePivotPoint(n.attachedMesh)
                                }
                                n._updateDummy()
                            }
                            )),
                            a.onDragStartObservable.add((function() {
                                n.onDragStartObservable.notifyObservers({}),
                                n._selectNode(r)
                            }
                            )),
                            a.onDragEndObservable.add((function() {
                                n.onScaleBoxDragEndObservable.notifyObservers({}),
                                n._selectNode(null),
                                n._updateDummy()
                            }
                            )),
                            u._scaleBoxesParent.addChild(r)
                        }, u = this, d = 0; d < 3; d++)
                            c(d);
                n._rootMesh.addChild(n._scaleBoxesParent);
                var p = new Array;
                return n._pointerObserver = i.utilityLayerScene.onPointerObservable.add((function(e) {
                    p[e.event.pointerId] ? e.pickInfo && e.pickInfo.pickedMesh != p[e.event.pointerId] && (p[e.event.pointerId].material = n._coloredMaterial,
                    delete p[e.event.pointerId]) : n._rotateSpheresParent.getChildMeshes().concat(n._scaleBoxesParent.getChildMeshes()).forEach((function(t) {
                        e.pickInfo && e.pickInfo.pickedMesh == t && (p[e.event.pointerId] = t,
                        t.material = n._hoverColoredMaterial)
                    }
                    ))
                }
                )),
                n._renderObserver = n.gizmoLayer.originalScene.onBeforeRenderObservable.add((function() {
                    n.attachedMesh && !n._existingMeshScale.equals(n.attachedMesh.scaling) ? n.updateBoundingBox() : (n.fixedDragMeshScreenSize || n.fixedDragMeshBoundsSize) && (n._updateRotationSpheres(),
                    n._updateScaleBoxes()),
                    n._dragMesh && n.attachedMesh && n._pointerDragBehavior.dragging && (n._lineBoundingBox.position.rotateByQuaternionToRef(n._rootMesh.rotationQuaternion, n._tmpVector),
                    n.attachedMesh.setAbsolutePosition(n._dragMesh.position.add(n._tmpVector.scale(-1))))
                }
                )),
                n.updateBoundingBox(),
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "axisFactor", {
                get: function() {
                    return this._axisFactor
                },
                set: function(e) {
                    this._axisFactor = e;
                    for (var t = this._scaleBoxesParent.getChildMeshes(), i = 0, n = 0; n < 3; n++)
                        for (var r = 0; r < 3; r++)
                            for (var o = 0; o < 3; o++) {
                                var a = (1 === n ? 1 : 0) + (1 === r ? 1 : 0) + (1 === o ? 1 : 0);
                                if (1 !== a && 3 !== a) {
                                    if (t[i]) {
                                        var s = new x(n - 1,r - 1,o - 1);
                                        s.multiplyInPlace(this._axisFactor),
                                        t[i].setEnabled(s.lengthSquared() > m)
                                    }
                                    i++
                                }
                            }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaleDragSpeed", {
                get: function() {
                    return this._scaleDragSpeed
                },
                set: function(e) {
                    this._scaleDragSpeed = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setColor = function(e) {
                this._coloredMaterial.emissiveColor = e,
                this._hoverColoredMaterial.emissiveColor = e.clone().add(new D(.3,.3,.3)),
                this._lineBoundingBox.getChildren().forEach((function(t) {
                    t.color && (t.color = e)
                }
                ))
            }
            ,
            t.prototype._attachedNodeChanged = function(e) {
                var t = this;
                if (e) {
                    this._anchorMesh.scaling.setAll(1),
                    mo._RemoveAndStorePivotPoint(e);
                    var i = e.parent;
                    this._anchorMesh.addChild(e),
                    this._anchorMesh.removeChild(e),
                    e.setParent(i),
                    mo._RestorePivotPoint(e),
                    this.updateBoundingBox(),
                    e.getChildMeshes(!1).forEach((function(e) {
                        e.markAsDirty("scaling")
                    }
                    )),
                    this.gizmoLayer.utilityLayerScene.onAfterRenderObservable.addOnce((function() {
                        t._updateDummy()
                    }
                    ))
                }
            }
            ,
            t.prototype._selectNode = function(e) {
                this._rotateSpheresParent.getChildMeshes().concat(this._scaleBoxesParent.getChildMeshes()).forEach((function(t) {
                    t.isVisible = !e || t == e
                }
                ))
            }
            ,
            t.prototype.updateBoundingBox = function() {
                if (this.attachedMesh) {
                    mo._RemoveAndStorePivotPoint(this.attachedMesh);
                    var e = this.attachedMesh.parent;
                    this.attachedMesh.setParent(null),
                    this._update(),
                    this.attachedMesh.rotationQuaternion || (this.attachedMesh.rotationQuaternion = C.RotationYawPitchRoll(this.attachedMesh.rotation.y, this.attachedMesh.rotation.x, this.attachedMesh.rotation.z)),
                    this._anchorMesh.rotationQuaternion || (this._anchorMesh.rotationQuaternion = C.RotationYawPitchRoll(this._anchorMesh.rotation.y, this._anchorMesh.rotation.x, this._anchorMesh.rotation.z)),
                    this._anchorMesh.rotationQuaternion.copyFrom(this.attachedMesh.rotationQuaternion),
                    this._tmpQuaternion.copyFrom(this.attachedMesh.rotationQuaternion),
                    this._tmpVector.copyFrom(this.attachedMesh.position),
                    this.attachedMesh.rotationQuaternion.set(0, 0, 0, 1),
                    this.attachedMesh.position.set(0, 0, 0);
                    var t = this.attachedMesh.getHierarchyBoundingVectors(!this.ignoreChildren, this.includeChildPredicate);
                    t.max.subtractToRef(t.min, this._boundingDimensions),
                    this._lineBoundingBox.scaling.copyFrom(this._boundingDimensions),
                    this._lineBoundingBox.position.set((t.max.x + t.min.x) / 2, (t.max.y + t.min.y) / 2, (t.max.z + t.min.z) / 2),
                    this._rotateSpheresParent.position.copyFrom(this._lineBoundingBox.position),
                    this._scaleBoxesParent.position.copyFrom(this._lineBoundingBox.position),
                    this._lineBoundingBox.computeWorldMatrix(),
                    this._anchorMesh.position.copyFrom(this._lineBoundingBox.absolutePosition),
                    this.attachedMesh.rotationQuaternion.copyFrom(this._tmpQuaternion),
                    this.attachedMesh.position.copyFrom(this._tmpVector),
                    this.attachedMesh.setParent(e)
                }
                this._updateRotationSpheres(),
                this._updateScaleBoxes(),
                this.attachedMesh && (this._existingMeshScale.copyFrom(this.attachedMesh.scaling),
                mo._RestorePivotPoint(this.attachedMesh))
            }
            ,
            t.prototype._updateRotationSpheres = function() {
                for (var e = this._rotateSpheresParent.getChildMeshes(), t = 0; t < 3; t++)
                    for (var i = 0; i < 2; i++)
                        for (var n = 0; n < 2; n++) {
                            var r = 4 * t + 2 * i + n;
                            if (0 == t && (e[r].position.set(this._boundingDimensions.x / 2, this._boundingDimensions.y * i, this._boundingDimensions.z * n),
                            e[r].position.addInPlace(new x(-this._boundingDimensions.x / 2,-this._boundingDimensions.y / 2,-this._boundingDimensions.z / 2)),
                            e[r].lookAt(x.Cross(e[r].position.normalizeToNew(), x.Right()).normalizeToNew().add(e[r].position))),
                            1 == t && (e[r].position.set(this._boundingDimensions.x * i, this._boundingDimensions.y / 2, this._boundingDimensions.z * n),
                            e[r].position.addInPlace(new x(-this._boundingDimensions.x / 2,-this._boundingDimensions.y / 2,-this._boundingDimensions.z / 2)),
                            e[r].lookAt(x.Cross(e[r].position.normalizeToNew(), x.Up()).normalizeToNew().add(e[r].position))),
                            2 == t && (e[r].position.set(this._boundingDimensions.x * i, this._boundingDimensions.y * n, this._boundingDimensions.z / 2),
                            e[r].position.addInPlace(new x(-this._boundingDimensions.x / 2,-this._boundingDimensions.y / 2,-this._boundingDimensions.z / 2)),
                            e[r].lookAt(x.Cross(e[r].position.normalizeToNew(), x.Forward()).normalizeToNew().add(e[r].position))),
                            this.fixedDragMeshScreenSize && this.gizmoLayer.utilityLayerScene.activeCamera) {
                                e[r].absolutePosition.subtractToRef(this.gizmoLayer.utilityLayerScene.activeCamera.position, this._tmpVector);
                                var o = this.rotationSphereSize * this._tmpVector.length() / this.fixedDragMeshScreenSizeDistanceFactor;
                                e[r].scaling.set(o, o, o)
                            } else
                                this.fixedDragMeshBoundsSize ? e[r].scaling.set(this.rotationSphereSize * this._boundingDimensions.x, this.rotationSphereSize * this._boundingDimensions.y, this.rotationSphereSize * this._boundingDimensions.z) : e[r].scaling.set(this.rotationSphereSize, this.rotationSphereSize, this.rotationSphereSize)
                        }
            }
            ,
            t.prototype._updateScaleBoxes = function() {
                for (var e = this._scaleBoxesParent.getChildMeshes(), t = 0, i = 0; i < 3; i++)
                    for (var n = 0; n < 3; n++)
                        for (var r = 0; r < 3; r++) {
                            var o = (1 === i ? 1 : 0) + (1 === n ? 1 : 0) + (1 === r ? 1 : 0);
                            if (1 !== o && 3 !== o) {
                                if (e[t])
                                    if (e[t].position.set(this._boundingDimensions.x * (i / 2), this._boundingDimensions.y * (n / 2), this._boundingDimensions.z * (r / 2)),
                                    e[t].position.addInPlace(new x(-this._boundingDimensions.x / 2,-this._boundingDimensions.y / 2,-this._boundingDimensions.z / 2)),
                                    this.fixedDragMeshScreenSize && this.gizmoLayer.utilityLayerScene.activeCamera) {
                                        e[t].absolutePosition.subtractToRef(this.gizmoLayer.utilityLayerScene.activeCamera.position, this._tmpVector);
                                        var a = this.scaleBoxSize * this._tmpVector.length() / this.fixedDragMeshScreenSizeDistanceFactor;
                                        e[t].scaling.set(a, a, a)
                                    } else
                                        this.fixedDragMeshBoundsSize ? e[t].scaling.set(this.scaleBoxSize * this._boundingDimensions.x, this.scaleBoxSize * this._boundingDimensions.y, this.scaleBoxSize * this._boundingDimensions.z) : e[t].scaling.set(this.scaleBoxSize, this.scaleBoxSize, this.scaleBoxSize);
                                t++
                            }
                        }
            }
            ,
            t.prototype.setEnabledRotationAxis = function(e) {
                this._rotateSpheresParent.getChildMeshes().forEach((function(t, i) {
                    i < 4 ? t.setEnabled(-1 != e.indexOf("x")) : i < 8 ? t.setEnabled(-1 != e.indexOf("y")) : t.setEnabled(-1 != e.indexOf("z"))
                }
                ))
            }
            ,
            t.prototype.setEnabledScaling = function(e, t) {
                void 0 === t && (t = !1),
                this._scaleBoxesParent.getChildMeshes().forEach((function(i) {
                    var n = e;
                    t && !0 === i.metadata && (n = !1),
                    i.setEnabled(n)
                }
                ))
            }
            ,
            t.prototype._updateDummy = function() {
                this._dragMesh && (this._dragMesh.position.copyFrom(this._lineBoundingBox.getAbsolutePosition()),
                this._dragMesh.scaling.copyFrom(this._lineBoundingBox.scaling),
                this._dragMesh.rotationQuaternion.copyFrom(this._rootMesh.rotationQuaternion))
            }
            ,
            t.prototype.enableDragBehavior = function() {
                this._dragMesh = Ml("dummy", {
                    size: 1
                }, this.gizmoLayer.utilityLayerScene),
                this._dragMesh.visibility = 0,
                this._dragMesh.rotationQuaternion = new C,
                this._pointerDragBehavior.useObjectOrientationForDragging = !1,
                this._dragMesh.addBehavior(this._pointerDragBehavior)
            }
            ,
            t.prototype.dispose = function() {
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this.gizmoLayer.originalScene.onBeforeRenderObservable.remove(this._renderObserver),
                this._lineBoundingBox.dispose(),
                this._rotateSpheresParent.dispose(),
                this._scaleBoxesParent.dispose(),
                this._dragMesh && this._dragMesh.dispose(),
                e.prototype.dispose.call(this)
            }
            ,
            t.MakeNotPickableAndWrapInBoundingBox = function(e) {
                var t = function(e) {
                    e.isPickable = !1,
                    e.getChildMeshes().forEach((function(e) {
                        t(e)
                    }
                    ))
                };
                t(e),
                e.rotationQuaternion || (e.rotationQuaternion = C.RotationYawPitchRoll(e.rotation.y, e.rotation.x, e.rotation.z));
                var i = e.position.clone()
                  , n = e.rotationQuaternion.clone();
                e.rotationQuaternion.set(0, 0, 0, 1),
                e.position.set(0, 0, 0);
                var r = Ml("box", {
                    size: 1
                }, e.getScene())
                  , o = e.getHierarchyBoundingVectors();
                return o.max.subtractToRef(o.min, r.scaling),
                0 === r.scaling.y && (r.scaling.y = m),
                0 === r.scaling.x && (r.scaling.x = m),
                0 === r.scaling.z && (r.scaling.z = m),
                r.position.set((o.max.x + o.min.x) / 2, (o.max.y + o.min.y) / 2, (o.max.z + o.min.z) / 2),
                e.addChild(r),
                e.rotationQuaternion.copyFrom(n),
                e.position.copyFrom(i),
                e.removeChild(r),
                r.addChild(e),
                r.visibility = 0,
                r
            }
            ,
            t.prototype.setCustomMesh = function() {
                K.Error("Custom meshes are not supported on this gizmo")
            }
            ,
            t
        }(Sl)
          , md = function(e) {
            function t(i, n, r, o, a, s, l) {
                void 0 === n && (n = D.Gray()),
                void 0 === r && (r = El.DefaultUtilityLayer),
                void 0 === o && (o = 32),
                void 0 === a && (a = null),
                void 0 === s && (s = !1),
                void 0 === l && (l = 1);
                var c, u = this;
                (u = e.call(this, r) || this)._pointerObserver = null,
                u.snapDistance = 0,
                u.onSnapObservable = new h,
                u.angle = 0,
                u._isEnabled = !0,
                u._parent = null,
                u._dragging = !1,
                u._angles = new x,
                u._parent = a,
                u._coloredMaterial = new Os("",r.utilityLayerScene),
                u._coloredMaterial.diffuseColor = n,
                u._coloredMaterial.specularColor = n.subtract(new D(.1,.1,.1)),
                u._hoverMaterial = new Os("",r.utilityLayerScene),
                u._hoverMaterial.diffuseColor = D.Yellow(),
                u._disableMaterial = new Os("",r.utilityLayerScene),
                u._disableMaterial.diffuseColor = D.Gray(),
                u._disableMaterial.alpha = .4,
                u._gizmoMesh = new Vr("",r.utilityLayerScene);
                var d = u._createGizmoMesh(u._gizmoMesh, l, o)
                  , p = d.rotationMesh
                  , f = d.collider;
                u._rotationDisplayPlane = vo("rotationDisplay", {
                    size: .6,
                    updatable: !1
                }, u.gizmoLayer.utilityLayerScene),
                u._rotationDisplayPlane.rotation.z = .5 * Math.PI,
                u._rotationDisplayPlane.parent = u._gizmoMesh,
                u._rotationDisplayPlane.setEnabled(!1),
                Mt.ShadersStore.rotationGizmoVertexShader = t._RotationGizmoVertexShader,
                Mt.ShadersStore.rotationGizmoFragmentShader = t._RotationGizmoFragmentShader,
                u._rotationShaderMaterial = new jl("shader",u.gizmoLayer.utilityLayerScene,{
                    vertex: "rotationGizmo",
                    fragment: "rotationGizmo"
                },{
                    attributes: ["position", "uv"],
                    uniforms: ["worldViewProjection", "angles"]
                }),
                u._rotationShaderMaterial.backFaceCulling = !1,
                u._rotationDisplayPlane.material = u._rotationShaderMaterial,
                u._rotationDisplayPlane.visibility = .999,
                u._gizmoMesh.lookAt(u._rootMesh.position.add(i)),
                u._rootMesh.addChild(u._gizmoMesh),
                u._gizmoMesh.scaling.scaleInPlace(1 / 3),
                u.dragBehavior = new Ao({
                    dragPlaneNormal: i
                }),
                u.dragBehavior.moveAttached = !1,
                u.dragBehavior.maxDragAngle = t.MaxDragAngle,
                u.dragBehavior._useAlternatePickedPointAboveMaxDragAngle = !0,
                u._rootMesh.addBehavior(u.dragBehavior);
                var _ = new x
                  , m = new P
                  , g = new x
                  , v = new x;
                u.dragBehavior.onDragStartObservable.add((function(e) {
                    u.attachedNode && (_.copyFrom(e.dragPlanePoint),
                    u._rotationDisplayPlane.setEnabled(!0),
                    u._rotationDisplayPlane.getWorldMatrix().invertToRef(m),
                    x.TransformCoordinatesToRef(e.dragPlanePoint, m, _),
                    u._angles.x = Math.atan2(_.y, _.x) + Math.PI,
                    u._angles.y = 0,
                    u._angles.z = u.updateGizmoRotationToMatchAttachedMesh ? 1 : 0,
                    u._dragging = !0,
                    _.copyFrom(e.dragPlanePoint),
                    u._rotationShaderMaterial.setVector3("angles", u._angles),
                    u.angle = 0)
                }
                )),
                u.dragBehavior.onDragEndObservable.add((function() {
                    u._dragging = !1,
                    u._rotationDisplayPlane.setEnabled(!1)
                }
                ));
                var y = {
                    snapDistance: 0
                }
                  , b = 0
                  , T = new P
                  , E = new C;
                u.dragBehavior.onDragObservable.add((function(e) {
                    if (u.attachedNode) {
                        var t = new x(1,1,1)
                          , n = new C(0,0,0,1)
                          , o = new x(0,0,0);
                        u._handlePivot(),
                        u.attachedNode.getWorldMatrix().decompose(t, n, o);
                        var a = e.dragPlanePoint.subtract(o).normalize()
                          , s = _.subtract(o).normalize()
                          , l = x.Cross(a, s)
                          , c = x.Dot(a, s)
                          , h = Math.atan2(l.length(), c);
                        g.copyFrom(i),
                        v.copyFrom(i),
                        u.updateGizmoRotationToMatchAttachedMesh && (n.toRotationMatrix(m),
                        v = x.TransformCoordinates(g, m));
                        var d = !1;
                        if (r.utilityLayerScene.activeCamera) {
                            var p = r.utilityLayerScene.activeCamera.position.subtract(o).normalize();
                            x.Dot(p, v) > 0 && (g.scaleInPlace(-1),
                            v.scaleInPlace(-1),
                            d = !0)
                        }
                        x.Dot(v, l) > 0 && (h = -h);
                        var f = !1;
                        if (0 != u.snapDistance)
                            if (b += h,
                            Math.abs(b) > u.snapDistance) {
                                var S = Math.floor(Math.abs(b) / u.snapDistance);
                                b < 0 && (S *= -1),
                                b %= u.snapDistance,
                                h = u.snapDistance * S,
                                f = !0
                            } else
                                h = 0;
                        var A = Math.sin(h / 2);
                        if (E.set(g.x * A, g.y * A, g.z * A, Math.cos(h / 2)),
                        T.determinant() > 0) {
                            var R = new x;
                            E.toEulerAnglesToRef(R),
                            C.RotationYawPitchRollToRef(R.y, -R.x, -R.z, E)
                        }
                        u.updateGizmoRotationToMatchAttachedMesh ? n.multiplyToRef(E, n) : E.multiplyToRef(n, n),
                        u.attachedNode.getWorldMatrix().copyFrom(P.Compose(t, n, o)),
                        _.copyFrom(e.dragPlanePoint),
                        f && (y.snapDistance = h,
                        u.onSnapObservable.notifyObservers(y)),
                        u._angles.y += h,
                        u.angle += d ? -h : h,
                        u._rotationShaderMaterial.setVector3("angles", u._angles),
                        u._matrixChanged()
                    }
                }
                ));
                var S = r._getSharedGizmoLight();
                S.includedOnlyMeshes = S.includedOnlyMeshes.concat(u._rootMesh.getChildMeshes(!1));
                var A = {
                    colliderMeshes: [f],
                    gizmoMeshes: [p],
                    material: u._coloredMaterial,
                    hoverMaterial: u._hoverMaterial,
                    disableMaterial: u._disableMaterial,
                    active: !1,
                    dragBehavior: u.dragBehavior
                };
                return null === (c = u._parent) || void 0 === c || c.addToAxisCache(u._gizmoMesh, A),
                u._pointerObserver = r.utilityLayerScene.onPointerObservable.add((function(e) {
                    var i;
                    if (!u._customMeshSet && (u.dragBehavior.maxDragAngle = t.MaxDragAngle,
                    u._isHovered = !(-1 == A.colliderMeshes.indexOf(null === (i = null == e ? void 0 : e.pickInfo) || void 0 === i ? void 0 : i.pickedMesh)),
                    !u._parent)) {
                        var n = A.dragBehavior.enabled ? u._isHovered || u._dragging ? u._hoverMaterial : u._coloredMaterial : u._disableMaterial;
                        u._setGizmoMeshMaterial(A.gizmoMeshes, n)
                    }
                }
                )),
                u.dragBehavior.onEnabledObservable.add((function(e) {
                    u._setGizmoMeshMaterial(A.gizmoMeshes, e ? u._coloredMaterial : u._disableMaterial)
                }
                )),
                u
            }
            return U(t, e),
            t.prototype._createGizmoMesh = function(e, t, i) {
                var n = qs("ignore", {
                    diameter: .6,
                    thickness: .03 * t,
                    tessellation: i
                }, this.gizmoLayer.utilityLayerScene);
                n.visibility = 0;
                var r = qs("", {
                    diameter: .6,
                    thickness: .005 * t,
                    tessellation: i
                }, this.gizmoLayer.utilityLayerScene);
                return r.material = this._coloredMaterial,
                r.rotation.x = Math.PI / 2,
                n.rotation.x = Math.PI / 2,
                e.addChild(r),
                e.addChild(n),
                {
                    rotationMesh: r,
                    collider: n
                }
            }
            ,
            t.prototype._attachedNodeChanged = function(e) {
                this.dragBehavior && (this.dragBehavior.enabled = !!e)
            }
            ,
            Object.defineProperty(t.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled = e,
                    e ? this._parent && (this.attachedMesh = this._parent.attachedMesh) : this.attachedMesh = null
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                this.onSnapObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this.dragBehavior.detach(),
                this._gizmoMesh && this._gizmoMesh.dispose(),
                this._rotationDisplayPlane && this._rotationDisplayPlane.dispose(),
                this._rotationShaderMaterial && this._rotationShaderMaterial.dispose(),
                [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                e.prototype.dispose.call(this)
            }
            ,
            t.MaxDragAngle = 9 * Math.PI / 20,
            t._RotationGizmoVertexShader = "\n        precision highp float;\n        attribute vec3 position;\n        attribute vec2 uv;\n        uniform mat4 worldViewProjection;\n        varying vec3 vPosition;\n        varying vec2 vUV;\n        void main(void) {\n            gl_Position = worldViewProjection * vec4(position, 1.0);\n            vUV = uv;\n        }",
            t._RotationGizmoFragmentShader = "\n        precision highp float;\n        varying vec2 vUV;\n        varying vec3 vPosition;\n        uniform vec3 angles;\n        #define twopi 6.283185307\n        void main(void) {\n            vec2 uv = vUV - vec2(0.5);\n            float angle = atan(uv.y, uv.x) + 3.141592;\n            float delta = gl_FrontFacing ? angles.y : -angles.y;\n            float begin = angles.x - delta * angles.z;\n            float start = (begin < (begin + delta)) ? begin : (begin + delta);\n            float end = (begin > (begin + delta)) ? begin : (begin + delta);\n            float len = sqrt(dot(uv,uv));\n            float opacity = 1. - step(0.5, len);\n\n            float base = abs(floor(start / twopi)) * twopi;\n            start += base;\n            end += base;\n\n            float intensity = 0.;\n            for (int i = 0; i < 5; i++)\n            {\n                intensity += max(step(start, angle) - step(end, angle), 0.);\n                angle += twopi;\n            }\n            gl_FragColor = vec4(1.,1.,0., min(intensity * 0.25, 0.8)) * opacity;\n        }",
            t
        }(Sl)
          , gd = function(e) {
            function t(t, i, n, r, o, a) {
                void 0 === t && (t = El.DefaultUtilityLayer),
                void 0 === i && (i = 32),
                void 0 === n && (n = !1),
                void 0 === r && (r = 1);
                var s = e.call(this, t) || this;
                s.onDragStartObservable = new h,
                s.onDragEndObservable = new h,
                s._observables = [],
                s._gizmoAxisCache = new Map;
                var l = a && a.xOptions && a.xOptions.color ? a.xOptions.color : D.Red().scale(.5)
                  , c = a && a.yOptions && a.yOptions.color ? a.yOptions.color : D.Green().scale(.5)
                  , u = a && a.zOptions && a.zOptions.color ? a.zOptions.color : D.Blue().scale(.5);
                return s.xGizmo = new md(new x(1,0,0),l,t,i,s,n,r),
                s.yGizmo = new md(new x(0,1,0),c,t,i,s,n,r),
                s.zGizmo = new md(new x(0,0,1),u,t,i,s,n,r),
                [s.xGizmo, s.yGizmo, s.zGizmo].forEach((function(e) {
                    a && null != a.updateScale && (e.updateScale = a.updateScale),
                    e.dragBehavior.onDragStartObservable.add((function() {
                        s.onDragStartObservable.notifyObservers({})
                    }
                    )),
                    e.dragBehavior.onDragEndObservable.add((function() {
                        s.onDragEndObservable.notifyObservers({})
                    }
                    ))
                }
                )),
                s.attachedMesh = null,
                s.attachedNode = null,
                o ? o.addToAxisCache(s._gizmoAxisCache) : Sl.GizmoAxisPointerObserver(t, s._gizmoAxisCache),
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "attachedMesh", {
                get: function() {
                    return this._meshAttached
                },
                set: function(e) {
                    this._meshAttached = e,
                    this._nodeAttached = e,
                    this._checkBillboardTransform(),
                    [this.xGizmo, this.yGizmo, this.zGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedMesh = e : t.attachedMesh = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "attachedNode", {
                get: function() {
                    return this._nodeAttached
                },
                set: function(e) {
                    this._meshAttached = null,
                    this._nodeAttached = e,
                    this._checkBillboardTransform(),
                    [this.xGizmo, this.yGizmo, this.zGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedNode = e : t.attachedNode = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._checkBillboardTransform = function() {
                this._nodeAttached && this._nodeAttached.billboardMode && console.log("Rotation Gizmo will not work with transforms in billboard mode.")
            }
            ,
            Object.defineProperty(t.prototype, "isHovered", {
                get: function() {
                    var e = !1;
                    return [this.xGizmo, this.yGizmo, this.zGizmo].forEach((function(t) {
                        e = e || t.isHovered
                    }
                    )),
                    e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "updateGizmoRotationToMatchAttachedMesh", {
                get: function() {
                    return this.xGizmo.updateGizmoRotationToMatchAttachedMesh
                },
                set: function(e) {
                    this.xGizmo && (this.xGizmo.updateGizmoRotationToMatchAttachedMesh = e,
                    this.yGizmo.updateGizmoRotationToMatchAttachedMesh = e,
                    this.zGizmo.updateGizmoRotationToMatchAttachedMesh = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "snapDistance", {
                get: function() {
                    return this.xGizmo.snapDistance
                },
                set: function(e) {
                    this.xGizmo && (this.xGizmo.snapDistance = e,
                    this.yGizmo.snapDistance = e,
                    this.zGizmo.snapDistance = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaleRatio", {
                get: function() {
                    return this.xGizmo.scaleRatio
                },
                set: function(e) {
                    this.xGizmo && (this.xGizmo.scaleRatio = e,
                    this.yGizmo.scaleRatio = e,
                    this.zGizmo.scaleRatio = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addToAxisCache = function(e, t) {
                this._gizmoAxisCache.set(e, t)
            }
            ,
            t.prototype.dispose = function() {
                var e = this;
                this.xGizmo.dispose(),
                this.yGizmo.dispose(),
                this.zGizmo.dispose(),
                this.onDragStartObservable.clear(),
                this.onDragEndObservable.clear(),
                this._observables.forEach((function(t) {
                    e.gizmoLayer.utilityLayerScene.onPointerObservable.remove(t)
                }
                ))
            }
            ,
            t.prototype.setCustomMesh = function() {
                K.Error("Custom meshes are not supported on this gizmo, please set the custom meshes on the gizmos contained within this one (gizmo.xGizmo, gizmo.yGizmo, gizmo.zGizmo)")
            }
            ,
            t
        }(Sl)
          , vd = function(e) {
            function t(i, n, r, o) {
                void 0 === n && (n = D.Gray()),
                void 0 === r && (r = El.DefaultUtilityLayer),
                void 0 === o && (o = null);
                var a, s = this;
                (s = e.call(this, r) || this)._pointerObserver = null,
                s.snapDistance = 0,
                s.onSnapObservable = new h,
                s._isEnabled = !1,
                s._parent = null,
                s._dragging = !1,
                s._parent = o,
                s._coloredMaterial = new Os("",r.utilityLayerScene),
                s._coloredMaterial.diffuseColor = n,
                s._coloredMaterial.specularColor = n.subtract(new D(.1,.1,.1)),
                s._hoverMaterial = new Os("",r.utilityLayerScene),
                s._hoverMaterial.diffuseColor = D.Yellow(),
                s._disableMaterial = new Os("",r.utilityLayerScene),
                s._disableMaterial.diffuseColor = D.Gray(),
                s._disableMaterial.alpha = .4,
                s._gizmoMesh = t._CreatePlane(r.utilityLayerScene, s._coloredMaterial),
                s._gizmoMesh.lookAt(s._rootMesh.position.add(i)),
                s._gizmoMesh.scaling.scaleInPlace(1 / 3),
                s._gizmoMesh.parent = s._rootMesh;
                var l = 0
                  , c = new x
                  , u = {
                    snapDistance: 0
                };
                s.dragBehavior = new Ao({
                    dragPlaneNormal: i
                }),
                s.dragBehavior.moveAttached = !1,
                s._rootMesh.addBehavior(s.dragBehavior),
                s.dragBehavior.onDragObservable.add((function(e) {
                    if (s.attachedNode) {
                        if (s._handlePivot(),
                        0 == s.snapDistance)
                            s.attachedNode.getWorldMatrix().addTranslationFromFloats(e.delta.x, e.delta.y, e.delta.z);
                        else if (l += e.dragDistance,
                        Math.abs(l) > s.snapDistance) {
                            var t = Math.floor(Math.abs(l) / s.snapDistance);
                            l %= s.snapDistance,
                            e.delta.normalizeToRef(c),
                            c.scaleInPlace(s.snapDistance * t),
                            s.attachedNode.getWorldMatrix().addTranslationFromFloats(c.x, c.y, c.z),
                            u.snapDistance = s.snapDistance * t,
                            s.onSnapObservable.notifyObservers(u)
                        }
                        s._matrixChanged()
                    }
                }
                )),
                s.dragBehavior.onDragStartObservable.add((function() {
                    s._dragging = !0
                }
                )),
                s.dragBehavior.onDragEndObservable.add((function() {
                    s._dragging = !1
                }
                ));
                var d = r._getSharedGizmoLight();
                d.includedOnlyMeshes = d.includedOnlyMeshes.concat(s._rootMesh.getChildMeshes(!1));
                var p = {
                    gizmoMeshes: s._gizmoMesh.getChildMeshes(),
                    colliderMeshes: s._gizmoMesh.getChildMeshes(),
                    material: s._coloredMaterial,
                    hoverMaterial: s._hoverMaterial,
                    disableMaterial: s._disableMaterial,
                    active: !1,
                    dragBehavior: s.dragBehavior
                };
                return null === (a = s._parent) || void 0 === a || a.addToAxisCache(s._gizmoMesh, p),
                s._pointerObserver = r.utilityLayerScene.onPointerObservable.add((function(e) {
                    var t;
                    if (!s._customMeshSet && (s._isHovered = !(-1 == p.colliderMeshes.indexOf(null === (t = null == e ? void 0 : e.pickInfo) || void 0 === t ? void 0 : t.pickedMesh)),
                    !s._parent)) {
                        var i = p.dragBehavior.enabled ? s._isHovered || s._dragging ? s._hoverMaterial : s._coloredMaterial : s._disableMaterial;
                        s._setGizmoMeshMaterial(p.gizmoMeshes, i)
                    }
                }
                )),
                s.dragBehavior.onEnabledObservable.add((function(e) {
                    s._setGizmoMeshMaterial(p.gizmoMeshes, e ? s._coloredMaterial : s._disableMaterial)
                }
                )),
                s
            }
            return U(t, e),
            t._CreatePlane = function(e, t) {
                var i = new yr("plane",e)
                  , n = vo("dragPlane", {
                    width: .1375,
                    height: .1375,
                    sideOrientation: 2
                }, e);
                return n.material = t,
                n.parent = i,
                i
            }
            ,
            t.prototype._attachedNodeChanged = function(e) {
                this.dragBehavior && (this.dragBehavior.enabled = !!e)
            }
            ,
            Object.defineProperty(t.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled = e,
                    e ? this._parent && (this.attachedNode = this._parent.attachedNode) : this.attachedNode = null
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                this.onSnapObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this.dragBehavior.detach(),
                e.prototype.dispose.call(this),
                this._gizmoMesh && this._gizmoMesh.dispose(),
                [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((function(e) {
                    e && e.dispose()
                }
                ))
            }
            ,
            t
        }(Sl)
          , yd = function(e) {
            function t(t, i, n) {
                void 0 === t && (t = El.DefaultUtilityLayer),
                void 0 === i && (i = 1);
                var r = e.call(this, t) || this;
                return r._meshAttached = null,
                r._nodeAttached = null,
                r._observables = [],
                r._gizmoAxisCache = new Map,
                r.onDragStartObservable = new h,
                r.onDragEndObservable = new h,
                r._planarGizmoEnabled = !1,
                r.xGizmo = new Al(new x(1,0,0),D.Red().scale(.5),t,r,i),
                r.yGizmo = new Al(new x(0,1,0),D.Green().scale(.5),t,r,i),
                r.zGizmo = new Al(new x(0,0,1),D.Blue().scale(.5),t,r,i),
                r.xPlaneGizmo = new vd(new x(1,0,0),D.Red().scale(.5),r.gizmoLayer,r),
                r.yPlaneGizmo = new vd(new x(0,1,0),D.Green().scale(.5),r.gizmoLayer,r),
                r.zPlaneGizmo = new vd(new x(0,0,1),D.Blue().scale(.5),r.gizmoLayer,r),
                [r.xGizmo, r.yGizmo, r.zGizmo, r.xPlaneGizmo, r.yPlaneGizmo, r.zPlaneGizmo].forEach((function(e) {
                    e.dragBehavior.onDragStartObservable.add((function() {
                        r.onDragStartObservable.notifyObservers({})
                    }
                    )),
                    e.dragBehavior.onDragEndObservable.add((function() {
                        r.onDragEndObservable.notifyObservers({})
                    }
                    ))
                }
                )),
                r.attachedMesh = null,
                n ? n.addToAxisCache(r._gizmoAxisCache) : Sl.GizmoAxisPointerObserver(t, r._gizmoAxisCache),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "attachedMesh", {
                get: function() {
                    return this._meshAttached
                },
                set: function(e) {
                    this._meshAttached = e,
                    this._nodeAttached = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedMesh = e : t.attachedMesh = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "attachedNode", {
                get: function() {
                    return this._nodeAttached
                },
                set: function(e) {
                    this._meshAttached = null,
                    this._nodeAttached = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedNode = e : t.attachedNode = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isHovered", {
                get: function() {
                    var e = !1;
                    return [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        e = e || t.isHovered
                    }
                    )),
                    e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "planarGizmoEnabled", {
                get: function() {
                    return this._planarGizmoEnabled
                },
                set: function(e) {
                    var t = this;
                    this._planarGizmoEnabled = e,
                    [this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(i) {
                        i && (i.isEnabled = e,
                        e && (i.attachedMesh ? i.attachedMesh = t.attachedMesh : i.attachedNode = t.attachedNode))
                    }
                    ), this)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "updateGizmoRotationToMatchAttachedMesh", {
                get: function() {
                    return this._updateGizmoRotationToMatchAttachedMesh
                },
                set: function(e) {
                    this._updateGizmoRotationToMatchAttachedMesh = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        t && (t.updateGizmoRotationToMatchAttachedMesh = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "snapDistance", {
                get: function() {
                    return this._snapDistance
                },
                set: function(e) {
                    this._snapDistance = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        t && (t.snapDistance = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaleRatio", {
                get: function() {
                    return this._scaleRatio
                },
                set: function(e) {
                    this._scaleRatio = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(t) {
                        t && (t.scaleRatio = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addToAxisCache = function(e, t) {
                this._gizmoAxisCache.set(e, t)
            }
            ,
            t.prototype.dispose = function() {
                var e = this;
                [this.xGizmo, this.yGizmo, this.zGizmo, this.xPlaneGizmo, this.yPlaneGizmo, this.zPlaneGizmo].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                this._observables.forEach((function(t) {
                    e.gizmoLayer.utilityLayerScene.onPointerObservable.remove(t)
                }
                )),
                this.onDragStartObservable.clear(),
                this.onDragEndObservable.clear()
            }
            ,
            t.prototype.setCustomMesh = function() {
                K.Error("Custom meshes are not supported on this gizmo, please set the custom meshes on the gizmos contained within this one (gizmo.xGizmo, gizmo.yGizmo, gizmo.zGizmo,gizmo.xPlaneGizmo, gizmo.yPlaneGizmo, gizmo.zPlaneGizmo)")
            }
            ,
            t
        }(Sl);
        function bd(e) {
            var t = [];
            t[0] = {
                vertex: [[0, 0, 1.732051], [1.632993, 0, -.5773503], [-.8164966, 1.414214, -.5773503], [-.8164966, -1.414214, -.5773503]],
                face: [[0, 1, 2], [0, 2, 3], [0, 3, 1], [1, 3, 2]]
            },
            t[1] = {
                vertex: [[0, 0, 1.414214], [1.414214, 0, 0], [0, 1.414214, 0], [-1.414214, 0, 0], [0, -1.414214, 0], [0, 0, -1.414214]],
                face: [[0, 1, 2], [0, 2, 3], [0, 3, 4], [0, 4, 1], [1, 4, 5], [1, 5, 2], [2, 5, 3], [3, 5, 4]]
            },
            t[2] = {
                vertex: [[0, 0, 1.070466], [.7136442, 0, .7978784], [-.3568221, .618034, .7978784], [-.3568221, -.618034, .7978784], [.7978784, .618034, .3568221], [.7978784, -.618034, .3568221], [-.9341724, .381966, .3568221], [.1362939, 1, .3568221], [.1362939, -1, .3568221], [-.9341724, -.381966, .3568221], [.9341724, .381966, -.3568221], [.9341724, -.381966, -.3568221], [-.7978784, .618034, -.3568221], [-.1362939, 1, -.3568221], [-.1362939, -1, -.3568221], [-.7978784, -.618034, -.3568221], [.3568221, .618034, -.7978784], [.3568221, -.618034, -.7978784], [-.7136442, 0, -.7978784], [0, 0, -1.070466]],
                face: [[0, 1, 4, 7, 2], [0, 2, 6, 9, 3], [0, 3, 8, 5, 1], [1, 5, 11, 10, 4], [2, 7, 13, 12, 6], [3, 9, 15, 14, 8], [4, 10, 16, 13, 7], [5, 8, 14, 17, 11], [6, 12, 18, 15, 9], [10, 11, 17, 19, 16], [12, 13, 16, 19, 18], [14, 15, 18, 19, 17]]
            },
            t[3] = {
                vertex: [[0, 0, 1.175571], [1.051462, 0, .5257311], [.3249197, 1, .5257311], [-.8506508, .618034, .5257311], [-.8506508, -.618034, .5257311], [.3249197, -1, .5257311], [.8506508, .618034, -.5257311], [.8506508, -.618034, -.5257311], [-.3249197, 1, -.5257311], [-1.051462, 0, -.5257311], [-.3249197, -1, -.5257311], [0, 0, -1.175571]],
                face: [[0, 1, 2], [0, 2, 3], [0, 3, 4], [0, 4, 5], [0, 5, 1], [1, 5, 7], [1, 7, 6], [1, 6, 2], [2, 6, 8], [2, 8, 3], [3, 8, 9], [3, 9, 4], [4, 9, 10], [4, 10, 5], [5, 10, 7], [6, 7, 11], [6, 11, 8], [7, 10, 11], [8, 11, 9], [9, 11, 10]]
            },
            t[4] = {
                vertex: [[0, 0, 1.070722], [.7148135, 0, .7971752], [-.104682, .7071068, .7971752], [-.6841528, .2071068, .7971752], [-.104682, -.7071068, .7971752], [.6101315, .7071068, .5236279], [1.04156, .2071068, .1367736], [.6101315, -.7071068, .5236279], [-.3574067, 1, .1367736], [-.7888348, -.5, .5236279], [-.9368776, .5, .1367736], [-.3574067, -1, .1367736], [.3574067, 1, -.1367736], [.9368776, -.5, -.1367736], [.7888348, .5, -.5236279], [.3574067, -1, -.1367736], [-.6101315, .7071068, -.5236279], [-1.04156, -.2071068, -.1367736], [-.6101315, -.7071068, -.5236279], [.104682, .7071068, -.7971752], [.6841528, -.2071068, -.7971752], [.104682, -.7071068, -.7971752], [-.7148135, 0, -.7971752], [0, 0, -1.070722]],
                face: [[0, 2, 3], [1, 6, 5], [4, 9, 11], [7, 15, 13], [8, 16, 10], [12, 14, 19], [17, 22, 18], [20, 21, 23], [0, 1, 5, 2], [0, 3, 9, 4], [0, 4, 7, 1], [1, 7, 13, 6], [2, 5, 12, 8], [2, 8, 10, 3], [3, 10, 17, 9], [4, 11, 15, 7], [5, 6, 14, 12], [6, 13, 20, 14], [8, 12, 19, 16], [9, 17, 18, 11], [10, 16, 22, 17], [11, 18, 21, 15], [13, 15, 21, 20], [14, 20, 23, 19], [16, 19, 23, 22], [18, 22, 23, 21]]
            },
            t[5] = {
                vertex: [[0, 0, 1.322876], [1.309307, 0, .1889822], [-.9819805, .8660254, .1889822], [.1636634, -1.299038, .1889822], [.3273268, .8660254, -.9449112], [-.8183171, -.4330127, -.9449112]],
                face: [[0, 3, 1], [2, 4, 5], [0, 1, 4, 2], [0, 2, 5, 3], [1, 3, 5, 4]]
            },
            t[6] = {
                vertex: [[0, 0, 1.159953], [1.013464, 0, .5642542], [-.3501431, .9510565, .5642542], [-.7715208, -.6571639, .5642542], [.6633206, .9510565, -.03144481], [.8682979, -.6571639, -.3996071], [-1.121664, .2938926, -.03144481], [-.2348831, -1.063314, -.3996071], [.5181548, .2938926, -.9953061], [-.5850262, -.112257, -.9953061]],
                face: [[0, 1, 4, 2], [0, 2, 6, 3], [1, 5, 8, 4], [3, 6, 9, 7], [5, 7, 9, 8], [0, 3, 7, 5, 1], [2, 4, 8, 9, 6]]
            },
            t[7] = {
                vertex: [[0, 0, 1.118034], [.8944272, 0, .6708204], [-.2236068, .8660254, .6708204], [-.7826238, -.4330127, .6708204], [.6708204, .8660254, .2236068], [1.006231, -.4330127, -.2236068], [-1.006231, .4330127, .2236068], [-.6708204, -.8660254, -.2236068], [.7826238, .4330127, -.6708204], [.2236068, -.8660254, -.6708204], [-.8944272, 0, -.6708204], [0, 0, -1.118034]],
                face: [[0, 1, 4, 2], [0, 2, 6, 3], [1, 5, 8, 4], [3, 6, 10, 7], [5, 9, 11, 8], [7, 10, 11, 9], [0, 3, 7, 9, 5, 1], [2, 4, 8, 11, 10, 6]]
            },
            t[8] = {
                vertex: [[-.729665, .670121, .319155], [-.655235, -.29213, -.754096], [-.093922, -.607123, .537818], [.702196, .595691, .485187], [.776626, -.36656, -.588064]],
                face: [[1, 4, 2], [0, 1, 2], [3, 0, 2], [4, 3, 2], [4, 1, 0, 3]]
            },
            t[9] = {
                vertex: [[-.868849, -.100041, .61257], [-.329458, .976099, .28078], [-.26629, -.013796, -.477654], [-.13392, -1.034115, .229829], [.738834, .707117, -.307018], [.859683, -.535264, -.338508]],
                face: [[3, 0, 2], [5, 3, 2], [4, 5, 2], [1, 4, 2], [0, 1, 2], [0, 3, 5, 4, 1]]
            },
            t[10] = {
                vertex: [[-.610389, .243975, .531213], [-.187812, -.48795, -.664016], [-.187812, .9759, -.664016], [.187812, -.9759, .664016], [.798201, .243975, .132803]],
                face: [[1, 3, 0], [3, 4, 0], [3, 1, 4], [0, 2, 1], [0, 4, 2], [2, 4, 1]]
            },
            t[11] = {
                vertex: [[-1.028778, .392027, -.048786], [-.640503, -.646161, .621837], [-.125162, -.395663, -.540059], [.004683, .888447, -.651988], [.125161, .395663, .540059], [.632925, -.791376, .433102], [1.031672, .157063, -.354165]],
                face: [[3, 2, 0], [2, 1, 0], [2, 5, 1], [0, 4, 3], [0, 1, 4], [4, 1, 5], [2, 3, 6], [3, 4, 6], [5, 2, 6], [4, 5, 6]]
            },
            t[12] = {
                vertex: [[-.669867, .334933, -.529576], [-.669867, .334933, .529577], [-.4043, 1.212901, 0], [-.334933, -.669867, -.529576], [-.334933, -.669867, .529577], [.334933, .669867, -.529576], [.334933, .669867, .529577], [.4043, -1.212901, 0], [.669867, -.334933, -.529576], [.669867, -.334933, .529577]],
                face: [[8, 9, 7], [6, 5, 2], [3, 8, 7], [5, 0, 2], [4, 3, 7], [0, 1, 2], [9, 4, 7], [1, 6, 2], [9, 8, 5, 6], [8, 3, 0, 5], [3, 4, 1, 0], [4, 9, 6, 1]]
            },
            t[13] = {
                vertex: [[-.931836, .219976, -.264632], [-.636706, .318353, .692816], [-.613483, -.735083, -.264632], [-.326545, .979634, 0], [-.318353, -.636706, .692816], [-.159176, .477529, -.856368], [.159176, -.477529, -.856368], [.318353, .636706, .692816], [.326545, -.979634, 0], [.613482, .735082, -.264632], [.636706, -.318353, .692816], [.931835, -.219977, -.264632]],
                face: [[11, 10, 8], [7, 9, 3], [6, 11, 8], [9, 5, 3], [2, 6, 8], [5, 0, 3], [4, 2, 8], [0, 1, 3], [10, 4, 8], [1, 7, 3], [10, 11, 9, 7], [11, 6, 5, 9], [6, 2, 0, 5], [2, 4, 1, 0], [4, 10, 7, 1]]
            },
            t[14] = {
                vertex: [[-.93465, .300459, -.271185], [-.838689, -.260219, -.516017], [-.711319, .717591, .128359], [-.710334, -.156922, .080946], [-.599799, .556003, -.725148], [-.503838, -.004675, -.969981], [-.487004, .26021, .48049], [-.460089, -.750282, -.512622], [-.376468, .973135, -.325605], [-.331735, -.646985, .084342], [-.254001, .831847, .530001], [-.125239, -.494738, -.966586], [.029622, .027949, .730817], [.056536, -.982543, -.262295], [.08085, 1.087391, .076037], [.125583, -.532729, .485984], [.262625, .599586, .780328], [.391387, -.726999, -.716259], [.513854, -.868287, .139347], [.597475, .85513, .326364], [.641224, .109523, .783723], [.737185, -.451155, .538891], [.848705, -.612742, -.314616], [.976075, .365067, .32976], [1.072036, -.19561, .084927]],
                face: [[15, 18, 21], [12, 20, 16], [6, 10, 2], [3, 0, 1], [9, 7, 13], [2, 8, 4, 0], [0, 4, 5, 1], [1, 5, 11, 7], [7, 11, 17, 13], [13, 17, 22, 18], [18, 22, 24, 21], [21, 24, 23, 20], [20, 23, 19, 16], [16, 19, 14, 10], [10, 14, 8, 2], [15, 9, 13, 18], [12, 15, 21, 20], [6, 12, 16, 10], [3, 6, 2, 0], [9, 3, 1, 7], [9, 15, 12, 6, 3], [22, 17, 11, 5, 4, 8, 14, 19, 23, 24]]
            };
            var i, n, r, o, a, s, l = e.type && (e.type < 0 || e.type >= t.length) ? 0 : e.type || 0, c = e.size, u = e.sizeX || c || 1, h = e.sizeY || c || 1, d = e.sizeZ || c || 1, p = e.custom || t[l], f = p.face.length, _ = e.faceUV || new Array(f), m = e.faceColors, g = void 0 === e.flat || e.flat, v = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, y = new Array, b = new Array, T = new Array, E = new Array, S = new Array, A = 0, x = 0, C = new Array, P = 0, M = 0;
            if (g)
                for (M = 0; M < f; M++)
                    m && void 0 === m[M] && (m[M] = new N(1,1,1,1)),
                    _ && void 0 === _[M] && (_[M] = new R(0,0,1,1));
            if (g)
                for (M = 0; M < f; M++) {
                    var I = p.face[M].length;
                    for (r = 2 * Math.PI / I,
                    o = .5 * Math.tan(r / 2),
                    a = .5,
                    P = 0; P < I; P++)
                        y.push(p.vertex[p.face[M][P]][0] * u, p.vertex[p.face[M][P]][1] * h, p.vertex[p.face[M][P]][2] * d),
                        C.push(A),
                        A++,
                        i = _[M].x + (_[M].z - _[M].x) * (.5 + o),
                        n = _[M].y + (_[M].w - _[M].y) * (a - .5),
                        E.push(i, pr.UseOpenGLOrientationForUV ? 1 - n : n),
                        s = o * Math.cos(r) - a * Math.sin(r),
                        a = o * Math.sin(r) + a * Math.cos(r),
                        o = s,
                        m && S.push(m[M].r, m[M].g, m[M].b, m[M].a);
                    for (P = 0; P < I - 2; P++)
                        b.push(C[0 + x], C[P + 2 + x], C[P + 1 + x]);
                    x += I
                }
            else {
                for (P = 0; P < p.vertex.length; P++)
                    y.push(p.vertex[P][0] * u, p.vertex[P][1] * h, p.vertex[P][2] * d),
                    E.push(0, pr.UseOpenGLOrientationForUV ? 1 : 0);
                for (M = 0; M < f; M++)
                    for (P = 0; P < p.face[M].length - 2; P++)
                        b.push(p.face[M][0], p.face[M][P + 2], p.face[M][P + 1])
            }
            $n.ComputeNormals(y, b, T),
            $n._ComputeSides(v, y, b, T, E, e.frontUVs, e.backUVs);
            var O = new $n;
            return O.positions = y,
            O.indices = b,
            O.normals = T,
            O.uvs = E,
            m && g && (O.colors = S),
            O
        }
        function Td(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            bd(t).applyToMesh(n, t.updatable),
            n
        }
        var Ed = {
            CreatePolyhedron: Td
        };
        $n.CreatePolyhedron = bd,
        Vr.CreatePolyhedron = function(e, t, i) {
            return Td(e, t, i)
        }
        ;
        var Sd = function(e) {
            function t(t, i, n) {
                void 0 === t && (t = El.DefaultUtilityLayer),
                void 0 === i && (i = 1);
                var r = e.call(this, t) || this;
                return r._meshAttached = null,
                r._nodeAttached = null,
                r._sensitivity = 1,
                r._observables = [],
                r._gizmoAxisCache = new Map,
                r.onDragStartObservable = new h,
                r.onDragEndObservable = new h,
                r.uniformScaleGizmo = r._createUniformScaleMesh(),
                r.xGizmo = new fd(new x(1,0,0),D.Red().scale(.5),t,r,i),
                r.yGizmo = new fd(new x(0,1,0),D.Green().scale(.5),t,r,i),
                r.zGizmo = new fd(new x(0,0,1),D.Blue().scale(.5),t,r,i),
                [r.xGizmo, r.yGizmo, r.zGizmo, r.uniformScaleGizmo].forEach((function(e) {
                    e.dragBehavior.onDragStartObservable.add((function() {
                        r.onDragStartObservable.notifyObservers({})
                    }
                    )),
                    e.dragBehavior.onDragEndObservable.add((function() {
                        r.onDragEndObservable.notifyObservers({})
                    }
                    ))
                }
                )),
                r.attachedMesh = null,
                r.attachedNode = null,
                n ? n.addToAxisCache(r._gizmoAxisCache) : Sl.GizmoAxisPointerObserver(t, r._gizmoAxisCache),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "attachedMesh", {
                get: function() {
                    return this._meshAttached
                },
                set: function(e) {
                    this._meshAttached = e,
                    this._nodeAttached = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedMesh = e : t.attachedMesh = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "attachedNode", {
                get: function() {
                    return this._nodeAttached
                },
                set: function(e) {
                    this._meshAttached = null,
                    this._nodeAttached = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t.isEnabled ? t.attachedNode = e : t.attachedNode = null
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isHovered", {
                get: function() {
                    var e = !1;
                    return [this.xGizmo, this.yGizmo, this.zGizmo].forEach((function(t) {
                        e = e || t.isHovered
                    }
                    )),
                    e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._createUniformScaleMesh = function() {
                this._coloredMaterial = new Os("",this.gizmoLayer.utilityLayerScene),
                this._coloredMaterial.diffuseColor = D.Gray(),
                this._hoverMaterial = new Os("",this.gizmoLayer.utilityLayerScene),
                this._hoverMaterial.diffuseColor = D.Yellow(),
                this._disableMaterial = new Os("",this.gizmoLayer.utilityLayerScene),
                this._disableMaterial.diffuseColor = D.Gray(),
                this._disableMaterial.alpha = .4;
                var e = new fd(new x(0,1,0),D.Gray().scale(.5),this.gizmoLayer,this);
                e.updateGizmoRotationToMatchAttachedMesh = !1,
                e.uniformScaling = !0,
                this._uniformScalingMesh = Td("uniform", {
                    type: 1
                }, e.gizmoLayer.utilityLayerScene),
                this._uniformScalingMesh.scaling.scaleInPlace(.01),
                this._uniformScalingMesh.visibility = 0,
                this._octahedron = Td("", {
                    type: 1
                }, e.gizmoLayer.utilityLayerScene),
                this._octahedron.scaling.scaleInPlace(.007),
                this._uniformScalingMesh.addChild(this._octahedron),
                e.setCustomMesh(this._uniformScalingMesh, !0);
                var t = this.gizmoLayer._getSharedGizmoLight();
                t.includedOnlyMeshes = t.includedOnlyMeshes.concat(this._octahedron);
                var i = {
                    gizmoMeshes: [this._octahedron, this._uniformScalingMesh],
                    colliderMeshes: [this._uniformScalingMesh],
                    material: this._coloredMaterial,
                    hoverMaterial: this._hoverMaterial,
                    disableMaterial: this._disableMaterial,
                    active: !1,
                    dragBehavior: e.dragBehavior
                };
                return this.addToAxisCache(e._rootMesh, i),
                e
            }
            ,
            Object.defineProperty(t.prototype, "updateGizmoRotationToMatchAttachedMesh", {
                get: function() {
                    return this._updateGizmoRotationToMatchAttachedMesh
                },
                set: function(e) {
                    e ? (this._updateGizmoRotationToMatchAttachedMesh = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t && (t.updateGizmoRotationToMatchAttachedMesh = e)
                    }
                    ))) : K.Warn("Setting updateGizmoRotationToMatchAttachedMesh = false on scaling gizmo is not supported.")
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "snapDistance", {
                get: function() {
                    return this._snapDistance
                },
                set: function(e) {
                    this._snapDistance = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t && (t.snapDistance = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scaleRatio", {
                get: function() {
                    return this._scaleRatio
                },
                set: function(e) {
                    this._scaleRatio = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t && (t.scaleRatio = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sensitivity", {
                get: function() {
                    return this._sensitivity
                },
                set: function(e) {
                    this._sensitivity = e,
                    [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(t) {
                        t && (t.sensitivity = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addToAxisCache = function(e, t) {
                this._gizmoAxisCache.set(e, t)
            }
            ,
            t.prototype.dispose = function() {
                var e = this;
                [this.xGizmo, this.yGizmo, this.zGizmo, this.uniformScaleGizmo].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                this._observables.forEach((function(t) {
                    e.gizmoLayer.utilityLayerScene.onPointerObservable.remove(t)
                }
                )),
                this.onDragStartObservable.clear(),
                this.onDragEndObservable.clear(),
                [this._uniformScalingMesh, this._octahedron].forEach((function(e) {
                    e && e.dispose()
                }
                )),
                [this._coloredMaterial, this._hoverMaterial, this._disableMaterial].forEach((function(e) {
                    e && e.dispose()
                }
                ))
            }
            ,
            t
        }(Sl)
          , Ad = function() {
            function e(e, t, i, n) {
                void 0 === t && (t = 1),
                void 0 === i && (i = El.DefaultUtilityLayer),
                void 0 === n && (n = El.DefaultKeepDepthUtilityLayer),
                this._scene = e,
                this.clearGizmoOnEmptyPointerEvent = !1,
                this.enableAutoPicking = !0,
                this.onAttachedToMeshObservable = new h,
                this.onAttachedToNodeObservable = new h,
                this._gizmosEnabled = {
                    positionGizmo: !1,
                    rotationGizmo: !1,
                    scaleGizmo: !1,
                    boundingBoxGizmo: !1
                },
                this._pointerObservers = [],
                this._attachedMesh = null,
                this._attachedNode = null,
                this._boundingBoxColor = D.FromHexString("#0984e3"),
                this._thickness = 1,
                this._scaleRatio = 1,
                this._gizmoAxisCache = new Map,
                this.boundingBoxDragBehavior = new Co,
                this.attachableMeshes = null,
                this.attachableNodes = null,
                this.usePointerToAttachGizmos = !0,
                this._defaultUtilityLayer = i,
                this._defaultKeepDepthUtilityLayer = n,
                this._defaultKeepDepthUtilityLayer.utilityLayerScene.autoClearDepthAndStencil = !1,
                this._thickness = t,
                this.gizmos = {
                    positionGizmo: null,
                    rotationGizmo: null,
                    scaleGizmo: null,
                    boundingBoxGizmo: null
                };
                var r = this._attachToMeshPointerObserver(e)
                  , o = Sl.GizmoAxisPointerObserver(this._defaultUtilityLayer, this._gizmoAxisCache);
                this._pointerObservers = [r, o]
            }
            return Object.defineProperty(e.prototype, "keepDepthUtilityLayer", {
                get: function() {
                    return this._defaultKeepDepthUtilityLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "utilityLayer", {
                get: function() {
                    return this._defaultUtilityLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isHovered", {
                get: function() {
                    var e = !1;
                    for (var t in this.gizmos) {
                        var i = this.gizmos[t];
                        if (i && i.isHovered) {
                            e = !0;
                            break
                        }
                    }
                    return e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "scaleRatio", {
                get: function() {
                    return this._scaleRatio
                },
                set: function(e) {
                    this._scaleRatio = e,
                    [this.gizmos.positionGizmo, this.gizmos.rotationGizmo, this.gizmos.scaleGizmo].forEach((function(t) {
                        t && (t.scaleRatio = e)
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._attachToMeshPointerObserver = function(e) {
                var t = this;
                return e.onPointerObservable.add((function(e) {
                    if (t.usePointerToAttachGizmos && e.type == Xi.POINTERDOWN)
                        if (e.pickInfo && e.pickInfo.pickedMesh) {
                            if (t.enableAutoPicking) {
                                var i = e.pickInfo.pickedMesh;
                                if (null == t.attachableMeshes)
                                    for (; i && null != i.parent; )
                                        i = i.parent;
                                else {
                                    var n = !1;
                                    t.attachableMeshes.forEach((function(e) {
                                        i && (i == e || i.isDescendantOf(e)) && (i = e,
                                        n = !0)
                                    }
                                    )),
                                    n || (i = null)
                                }
                                i instanceof Sr ? t._attachedMesh != i && t.attachToMesh(i) : t.clearGizmoOnEmptyPointerEvent && t.attachToMesh(null)
                            }
                        } else
                            t.clearGizmoOnEmptyPointerEvent && t.attachToMesh(null)
                }
                ))
            }
            ,
            e.prototype.attachToMesh = function(e) {
                for (var t in this._attachedMesh && this._attachedMesh.removeBehavior(this.boundingBoxDragBehavior),
                this._attachedNode && this._attachedNode.removeBehavior(this.boundingBoxDragBehavior),
                this._attachedMesh = e,
                this._attachedNode = null,
                this.gizmos) {
                    var i = this.gizmos[t];
                    i && this._gizmosEnabled[t] && (i.attachedMesh = e)
                }
                this.boundingBoxGizmoEnabled && this._attachedMesh && this._attachedMesh.addBehavior(this.boundingBoxDragBehavior),
                this.onAttachedToMeshObservable.notifyObservers(e)
            }
            ,
            e.prototype.attachToNode = function(e) {
                for (var t in this._attachedMesh && this._attachedMesh.removeBehavior(this.boundingBoxDragBehavior),
                this._attachedNode && this._attachedNode.removeBehavior(this.boundingBoxDragBehavior),
                this._attachedMesh = null,
                this._attachedNode = e,
                this.gizmos) {
                    var i = this.gizmos[t];
                    i && this._gizmosEnabled[t] && (i.attachedNode = e)
                }
                this.boundingBoxGizmoEnabled && this._attachedNode && this._attachedNode.addBehavior(this.boundingBoxDragBehavior),
                this.onAttachedToNodeObservable.notifyObservers(e)
            }
            ,
            Object.defineProperty(e.prototype, "positionGizmoEnabled", {
                get: function() {
                    return this._gizmosEnabled.positionGizmo
                },
                set: function(e) {
                    e ? (this.gizmos.positionGizmo || (this.gizmos.positionGizmo = new yd(this._defaultUtilityLayer,this._thickness,this)),
                    this._attachedNode ? this.gizmos.positionGizmo.attachedNode = this._attachedNode : this.gizmos.positionGizmo.attachedMesh = this._attachedMesh) : this.gizmos.positionGizmo && (this.gizmos.positionGizmo.attachedNode = null),
                    this._gizmosEnabled.positionGizmo = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rotationGizmoEnabled", {
                get: function() {
                    return this._gizmosEnabled.rotationGizmo
                },
                set: function(e) {
                    e ? (this.gizmos.rotationGizmo || (this.gizmos.rotationGizmo = new gd(this._defaultUtilityLayer,32,!1,this._thickness,this)),
                    this._attachedNode ? this.gizmos.rotationGizmo.attachedNode = this._attachedNode : this.gizmos.rotationGizmo.attachedMesh = this._attachedMesh) : this.gizmos.rotationGizmo && (this.gizmos.rotationGizmo.attachedNode = null),
                    this._gizmosEnabled.rotationGizmo = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "scaleGizmoEnabled", {
                get: function() {
                    return this._gizmosEnabled.scaleGizmo
                },
                set: function(e) {
                    e ? (this.gizmos.scaleGizmo = this.gizmos.scaleGizmo || new Sd(this._defaultUtilityLayer,this._thickness,this),
                    this._attachedNode ? this.gizmos.scaleGizmo.attachedNode = this._attachedNode : this.gizmos.scaleGizmo.attachedMesh = this._attachedMesh) : this.gizmos.scaleGizmo && (this.gizmos.scaleGizmo.attachedNode = null),
                    this._gizmosEnabled.scaleGizmo = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "boundingBoxGizmoEnabled", {
                get: function() {
                    return this._gizmosEnabled.boundingBoxGizmo
                },
                set: function(e) {
                    e ? (this.gizmos.boundingBoxGizmo = this.gizmos.boundingBoxGizmo || new _d(this._boundingBoxColor,this._defaultKeepDepthUtilityLayer),
                    this._attachedMesh ? this.gizmos.boundingBoxGizmo.attachedMesh = this._attachedMesh : this.gizmos.boundingBoxGizmo.attachedNode = this._attachedNode,
                    this._attachedMesh ? (this._attachedMesh.removeBehavior(this.boundingBoxDragBehavior),
                    this._attachedMesh.addBehavior(this.boundingBoxDragBehavior)) : this._attachedNode && (this._attachedNode.removeBehavior(this.boundingBoxDragBehavior),
                    this._attachedNode.addBehavior(this.boundingBoxDragBehavior))) : this.gizmos.boundingBoxGizmo && (this._attachedMesh ? this._attachedMesh.removeBehavior(this.boundingBoxDragBehavior) : this._attachedNode && this._attachedNode.removeBehavior(this.boundingBoxDragBehavior),
                    this.gizmos.boundingBoxGizmo.attachedNode = null),
                    this._gizmosEnabled.boundingBoxGizmo = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addToAxisCache = function(e) {
                var t = this;
                e.size > 0 && e.forEach((function(e, i) {
                    t._gizmoAxisCache.set(i, e)
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                var e, t, i = this;
                for (var n in this._pointerObservers.forEach((function(e) {
                    i._scene.onPointerObservable.remove(e)
                }
                )),
                this.gizmos) {
                    var r = this.gizmos[n];
                    r && r.dispose()
                }
                this._defaultKeepDepthUtilityLayer !== El._DefaultKeepDepthUtilityLayer && (null === (e = this._defaultKeepDepthUtilityLayer) || void 0 === e || e.dispose()),
                this._defaultUtilityLayer !== El._DefaultUtilityLayer && (null === (t = this._defaultUtilityLayer) || void 0 === t || t.dispose()),
                this.boundingBoxDragBehavior.detach(),
                this.onAttachedToMeshObservable.clear()
            }
            ,
            e
        }()
          , xd = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t._needProjectionMatrixCompute = !0,
                t
            }
            return U(t, e),
            t.prototype._setPosition = function(e) {
                this._position = e
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._position
                },
                set: function(e) {
                    this._setPosition(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._setDirection = function(e) {
                this._direction = e
            }
            ,
            Object.defineProperty(t.prototype, "direction", {
                get: function() {
                    return this._direction
                },
                set: function(e) {
                    this._setDirection(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowMinZ", {
                get: function() {
                    return this._shadowMinZ
                },
                set: function(e) {
                    this._shadowMinZ = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowMaxZ", {
                get: function() {
                    return this._shadowMaxZ
                },
                set: function(e) {
                    this._shadowMaxZ = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.computeTransformedInformation = function() {
                return !(!this.parent || !this.parent.getWorldMatrix || (this.transformedPosition || (this.transformedPosition = x.Zero()),
                x.TransformCoordinatesToRef(this.position, this.parent.getWorldMatrix(), this.transformedPosition),
                this.direction && (this.transformedDirection || (this.transformedDirection = x.Zero()),
                x.TransformNormalToRef(this.direction, this.parent.getWorldMatrix(), this.transformedDirection)),
                0))
            }
            ,
            t.prototype.getDepthScale = function() {
                return 50
            }
            ,
            t.prototype.getShadowDirection = function(e) {
                return this.transformedDirection ? this.transformedDirection : this.direction
            }
            ,
            t.prototype.getAbsolutePosition = function() {
                return this.transformedPosition ? this.transformedPosition : this.position
            }
            ,
            t.prototype.setDirectionToTarget = function(e) {
                return this.direction = x.Normalize(e.subtract(this.position)),
                this.direction
            }
            ,
            t.prototype.getRotation = function() {
                this.direction.normalize();
                var e = x.Cross(this.direction, vn.Y)
                  , t = x.Cross(e, this.direction);
                return x.RotationFromAxis(e, t, this.direction)
            }
            ,
            t.prototype.needCube = function() {
                return !1
            }
            ,
            t.prototype.needProjectionMatrixCompute = function() {
                return this._needProjectionMatrixCompute
            }
            ,
            t.prototype.forceProjectionMatrixCompute = function() {
                this._needProjectionMatrixCompute = !0
            }
            ,
            t.prototype._initCache = function() {
                e.prototype._initCache.call(this),
                this._cache.position = x.Zero()
            }
            ,
            t.prototype._isSynchronized = function() {
                return !!this._cache.position.equals(this.position)
            }
            ,
            t.prototype.computeWorldMatrix = function(e) {
                return !e && this.isSynchronized() ? (this._currentRenderId = this.getScene().getRenderId(),
                this._worldMatrix) : (this._updateCache(),
                this._cache.position.copyFrom(this.position),
                this._worldMatrix || (this._worldMatrix = P.Identity()),
                P.TranslationToRef(this.position.x, this.position.y, this.position.z, this._worldMatrix),
                this.parent && this.parent.getWorldMatrix && (this._worldMatrix.multiplyToRef(this.parent.getWorldMatrix(), this._worldMatrix),
                this._markSyncedWithParent()),
                this._worldMatrixDeterminantIsDirty = !0,
                this._worldMatrix)
            }
            ,
            t.prototype.getDepthMinZ = function(e) {
                return void 0 !== this.shadowMinZ ? this.shadowMinZ : e.minZ
            }
            ,
            t.prototype.getDepthMaxZ = function(e) {
                return void 0 !== this.shadowMaxZ ? this.shadowMaxZ : e.maxZ
            }
            ,
            t.prototype.setShadowProjectionMatrix = function(e, t, i) {
                return this.customProjectionMatrixBuilder ? this.customProjectionMatrixBuilder(t, i, e) : this._setDefaultShadowProjectionMatrix(e, t, i),
                this
            }
            ,
            k([De()], t.prototype, "position", null),
            k([De()], t.prototype, "direction", null),
            k([Ce()], t.prototype, "shadowMinZ", null),
            k([Ce()], t.prototype, "shadowMaxZ", null),
            t
        }(Cr);
        Xe.AddNodeConstructor("Light_Type_1", (function(e, t) {
            return function() {
                return new Rd(e,x.Zero(),t)
            }
        }
        ));
        var Rd = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
                return r._shadowFrustumSize = 0,
                r._shadowOrthoScale = .1,
                r.autoUpdateExtends = !0,
                r.autoCalcShadowZBounds = !1,
                r._orthoLeft = Number.MAX_VALUE,
                r._orthoRight = Number.MIN_VALUE,
                r._orthoTop = Number.MIN_VALUE,
                r._orthoBottom = Number.MAX_VALUE,
                r.position = i.scale(-1),
                r.direction = i,
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "shadowFrustumSize", {
                get: function() {
                    return this._shadowFrustumSize
                },
                set: function(e) {
                    this._shadowFrustumSize = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowOrthoScale", {
                get: function() {
                    return this._shadowOrthoScale
                },
                set: function(e) {
                    this._shadowOrthoScale = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "orthoLeft", {
                get: function() {
                    return this._orthoLeft
                },
                set: function(e) {
                    this._orthoLeft = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "orthoRight", {
                get: function() {
                    return this._orthoRight
                },
                set: function(e) {
                    this._orthoRight = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "orthoTop", {
                get: function() {
                    return this._orthoTop
                },
                set: function(e) {
                    this._orthoTop = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "orthoBottom", {
                get: function() {
                    return this._orthoBottom
                },
                set: function(e) {
                    this._orthoBottom = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "DirectionalLight"
            }
            ,
            t.prototype.getTypeID = function() {
                return Cr.LIGHTTYPEID_DIRECTIONALLIGHT
            }
            ,
            t.prototype._setDefaultShadowProjectionMatrix = function(e, t, i) {
                this.shadowFrustumSize > 0 ? this._setDefaultFixedFrustumShadowProjectionMatrix(e) : this._setDefaultAutoExtendShadowProjectionMatrix(e, t, i)
            }
            ,
            t.prototype._setDefaultFixedFrustumShadowProjectionMatrix = function(e) {
                var t = this.getScene().activeCamera;
                t && P.OrthoLHToRef(this.shadowFrustumSize, this.shadowFrustumSize, void 0 !== this.shadowMinZ ? this.shadowMinZ : t.minZ, void 0 !== this.shadowMaxZ ? this.shadowMaxZ : t.maxZ, e, this.getScene().getEngine().isNDCHalfZRange)
            }
            ,
            t.prototype._setDefaultAutoExtendShadowProjectionMatrix = function(e, t, i) {
                var n = this.getScene().activeCamera;
                if (n) {
                    if (this.autoUpdateExtends || this._orthoLeft === Number.MAX_VALUE) {
                        var r = x.Zero();
                        this._orthoLeft = Number.MAX_VALUE,
                        this._orthoRight = Number.MIN_VALUE,
                        this._orthoTop = Number.MIN_VALUE,
                        this._orthoBottom = Number.MAX_VALUE;
                        for (var o = Number.MAX_VALUE, a = Number.MIN_VALUE, s = 0; s < i.length; s++) {
                            var l = i[s];
                            if (l)
                                for (var c = l.getBoundingInfo().boundingBox, u = 0; u < c.vectorsWorld.length; u++)
                                    x.TransformCoordinatesToRef(c.vectorsWorld[u], t, r),
                                    r.x < this._orthoLeft && (this._orthoLeft = r.x),
                                    r.y < this._orthoBottom && (this._orthoBottom = r.y),
                                    r.x > this._orthoRight && (this._orthoRight = r.x),
                                    r.y > this._orthoTop && (this._orthoTop = r.y),
                                    this.autoCalcShadowZBounds && (r.z < o && (o = r.z),
                                    r.z > a && (a = r.z))
                        }
                        this.autoCalcShadowZBounds && (this._shadowMinZ = o,
                        this._shadowMaxZ = a)
                    }
                    var h = this._orthoRight - this._orthoLeft
                      , d = this._orthoTop - this._orthoBottom
                      , p = void 0 !== this.shadowMinZ ? this.shadowMinZ : n.minZ
                      , f = void 0 !== this.shadowMaxZ ? this.shadowMaxZ : n.maxZ
                      , _ = this.getScene().getEngine().useReverseDepthBuffer;
                    P.OrthoOffCenterLHToRef(this._orthoLeft - h * this.shadowOrthoScale, this._orthoRight + h * this.shadowOrthoScale, this._orthoBottom - d * this.shadowOrthoScale, this._orthoTop + d * this.shadowOrthoScale, _ ? f : p, _ ? p : f, e, this.getScene().getEngine().isNDCHalfZRange)
                }
            }
            ,
            t.prototype._buildUniformLayout = function() {
                this._uniformBuffer.addUniform("vLightData", 4),
                this._uniformBuffer.addUniform("vLightDiffuse", 4),
                this._uniformBuffer.addUniform("vLightSpecular", 4),
                this._uniformBuffer.addUniform("shadowsInfo", 3),
                this._uniformBuffer.addUniform("depthValues", 2),
                this._uniformBuffer.create()
            }
            ,
            t.prototype.transferToEffect = function(e, t) {
                return this.computeTransformedInformation() ? (this._uniformBuffer.updateFloat4("vLightData", this.transformedDirection.x, this.transformedDirection.y, this.transformedDirection.z, 1, t),
                this) : (this._uniformBuffer.updateFloat4("vLightData", this.direction.x, this.direction.y, this.direction.z, 1, t),
                this)
            }
            ,
            t.prototype.transferToNodeMaterialEffect = function(e, t) {
                return this.computeTransformedInformation() ? (e.setFloat3(t, this.transformedDirection.x, this.transformedDirection.y, this.transformedDirection.z),
                this) : (e.setFloat3(t, this.direction.x, this.direction.y, this.direction.z),
                this)
            }
            ,
            t.prototype.getDepthMinZ = function(e) {
                var t = this._scene.getEngine();
                return !t.useReverseDepthBuffer && t.isNDCHalfZRange ? 0 : 1
            }
            ,
            t.prototype.getDepthMaxZ = function(e) {
                var t = this._scene.getEngine();
                return t.useReverseDepthBuffer && t.isNDCHalfZRange ? 0 : 1
            }
            ,
            t.prototype.prepareLightSpecificDefines = function(e, t) {
                e["DIRLIGHT" + t] = !0
            }
            ,
            k([Ce()], t.prototype, "shadowFrustumSize", null),
            k([Ce()], t.prototype, "shadowOrthoScale", null),
            k([Ce()], t.prototype, "autoUpdateExtends", void 0),
            k([Ce()], t.prototype, "autoCalcShadowZBounds", void 0),
            k([Ce("orthoLeft")], t.prototype, "_orthoLeft", void 0),
            k([Ce("orthoRight")], t.prototype, "_orthoRight", void 0),
            k([Ce("orthoTop")], t.prototype, "_orthoTop", void 0),
            k([Ce("orthoBottom")], t.prototype, "_orthoBottom", void 0),
            t
        }(xd);
        function Cd(e) {
            var t = new Array
              , i = new Array
              , n = new Array
              , r = new Array
              , o = e.radius || .5
              , a = e.tessellation || 64
              , s = e.arc && (e.arc <= 0 || e.arc > 1) ? 1 : e.arc || 1
              , l = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE;
            t.push(0, 0, 0),
            r.push(.5, .5);
            for (var c = 2 * Math.PI * s, u = 1 === s ? c / a : c / (a - 1), h = 0, d = 0; d < a; d++) {
                var p = Math.cos(h)
                  , f = Math.sin(h)
                  , _ = (p + 1) / 2
                  , m = (1 - f) / 2;
                t.push(o * p, o * f, 0),
                r.push(_, pr.UseOpenGLOrientationForUV ? 1 - m : m),
                h += u
            }
            1 === s && (t.push(t[3], t[4], t[5]),
            r.push(r[2], pr.UseOpenGLOrientationForUV ? 1 - r[3] : r[3]));
            for (var g = t.length / 3, v = 1; v < g - 1; v++)
                i.push(v + 1, 0, v);
            $n.ComputeNormals(t, i, n),
            $n._ComputeSides(l, t, i, n, r, e.frontUVs, e.backUVs);
            var y = new $n;
            return y.indices = i,
            y.positions = t,
            y.normals = n,
            y.uvs = r,
            y
        }
        function Pd(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            Cd(t).applyToMesh(n, t.updatable),
            n
        }
        var Md = {
            CreateDisc: Pd
        };
        function Id(e, t, i) {
            void 0 === t && (t = {}),
            t.diameter || (t.diameter = 1),
            t.segments || (t.segments = 16);
            var n = Dl("", {
                slice: .5,
                diameter: t.diameter,
                segments: t.segments
            }, i)
              , r = Pd("", {
                radius: t.diameter / 2,
                tessellation: 3 * t.segments + (4 - t.segments)
            }, i);
            r.rotation.x = -Math.PI / 2,
            r.parent = n;
            var o = Vr.MergeMeshes([r, n], !0);
            return o.name = e,
            o
        }
        $n.CreateDisc = Cd,
        Vr.CreateDisc = function(e, t, i, n, r, o) {
            return void 0 === n && (n = null),
            Pd(e, {
                radius: t,
                tessellation: i,
                sideOrientation: o,
                updatable: r
            }, n)
        }
        ;
        var Od = {
            CreateHemisphere: Id
        };
        Vr.CreateHemisphere = function(e, t, i, n) {
            return Id(e, {
                segments: t,
                diameter: i
            }, n)
        }
        ,
        Xe.AddNodeConstructor("Light_Type_2", (function(e, t) {
            return function() {
                return new Dd(e,x.Zero(),x.Zero(),0,0,t)
            }
        }
        ));
        var Dd = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, a) || this;
                return s._innerAngle = 0,
                s._projectionTextureMatrix = P.Zero(),
                s._projectionTextureLightNear = 1e-6,
                s._projectionTextureLightFar = 1e3,
                s._projectionTextureUpDirection = x.Up(),
                s._projectionTextureViewLightDirty = !0,
                s._projectionTextureProjectionLightDirty = !0,
                s._projectionTextureDirty = !0,
                s._projectionTextureViewTargetVector = x.Zero(),
                s._projectionTextureViewLightMatrix = P.Zero(),
                s._projectionTextureProjectionLightMatrix = P.Zero(),
                s._projectionTextureScalingMatrix = P.FromValues(.5, 0, 0, 0, 0, .5, 0, 0, 0, 0, .5, 0, .5, .5, .5, 1),
                s.position = i,
                s.direction = n,
                s.angle = r,
                s.exponent = o,
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "angle", {
                get: function() {
                    return this._angle
                },
                set: function(e) {
                    this._angle = e,
                    this._cosHalfAngle = Math.cos(.5 * e),
                    this._projectionTextureProjectionLightDirty = !0,
                    this.forceProjectionMatrixCompute(),
                    this._computeAngleValues()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "innerAngle", {
                get: function() {
                    return this._innerAngle
                },
                set: function(e) {
                    this._innerAngle = e,
                    this._computeAngleValues()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadowAngleScale", {
                get: function() {
                    return this._shadowAngleScale
                },
                set: function(e) {
                    this._shadowAngleScale = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "projectionTextureMatrix", {
                get: function() {
                    return this._projectionTextureMatrix
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "projectionTextureLightNear", {
                get: function() {
                    return this._projectionTextureLightNear
                },
                set: function(e) {
                    this._projectionTextureLightNear = e,
                    this._projectionTextureProjectionLightDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "projectionTextureLightFar", {
                get: function() {
                    return this._projectionTextureLightFar
                },
                set: function(e) {
                    this._projectionTextureLightFar = e,
                    this._projectionTextureProjectionLightDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "projectionTextureUpDirection", {
                get: function() {
                    return this._projectionTextureUpDirection
                },
                set: function(e) {
                    this._projectionTextureUpDirection = e,
                    this._projectionTextureProjectionLightDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "projectionTexture", {
                get: function() {
                    return this._projectionTexture
                },
                set: function(e) {
                    var i = this;
                    this._projectionTexture !== e && (this._projectionTexture = e,
                    this._projectionTextureDirty = !0,
                    this._projectionTexture && !this._projectionTexture.isReady() && (t._IsProceduralTexture(this._projectionTexture) ? this._projectionTexture.getEffect().executeWhenCompiled((function() {
                        i._markMeshesAsLightDirty()
                    }
                    )) : t._IsTexture(this._projectionTexture) && this._projectionTexture.onLoadObservable.addOnce((function() {
                        i._markMeshesAsLightDirty()
                    }
                    ))))
                },
                enumerable: !1,
                configurable: !0
            }),
            t._IsProceduralTexture = function(e) {
                return void 0 !== e.onGeneratedObservable
            }
            ,
            t._IsTexture = function(e) {
                return void 0 !== e.onLoadObservable
            }
            ,
            Object.defineProperty(t.prototype, "projectionTextureProjectionLightMatrix", {
                get: function() {
                    return this._projectionTextureProjectionLightMatrix
                },
                set: function(e) {
                    this._projectionTextureProjectionLightMatrix = e,
                    this._projectionTextureProjectionLightDirty = !1,
                    this._projectionTextureDirty = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "SpotLight"
            }
            ,
            t.prototype.getTypeID = function() {
                return Cr.LIGHTTYPEID_SPOTLIGHT
            }
            ,
            t.prototype._setDirection = function(t) {
                e.prototype._setDirection.call(this, t),
                this._projectionTextureViewLightDirty = !0
            }
            ,
            t.prototype._setPosition = function(t) {
                e.prototype._setPosition.call(this, t),
                this._projectionTextureViewLightDirty = !0
            }
            ,
            t.prototype._setDefaultShadowProjectionMatrix = function(e, t, i) {
                var n = this.getScene().activeCamera;
                if (n) {
                    this._shadowAngleScale = this._shadowAngleScale || 1;
                    var r = this._shadowAngleScale * this._angle
                      , o = void 0 !== this.shadowMinZ ? this.shadowMinZ : n.minZ
                      , a = void 0 !== this.shadowMaxZ ? this.shadowMaxZ : n.maxZ
                      , s = this.getScene().getEngine().useReverseDepthBuffer;
                    P.PerspectiveFovLHToRef(r, 1, s ? a : o, s ? o : a, e, !0, this._scene.getEngine().isNDCHalfZRange, void 0, s)
                }
            }
            ,
            t.prototype._computeProjectionTextureViewLightMatrix = function() {
                this._projectionTextureViewLightDirty = !1,
                this._projectionTextureDirty = !0,
                this.position.addToRef(this.direction, this._projectionTextureViewTargetVector),
                P.LookAtLHToRef(this.position, this._projectionTextureViewTargetVector, this._projectionTextureUpDirection, this._projectionTextureViewLightMatrix)
            }
            ,
            t.prototype._computeProjectionTextureProjectionLightMatrix = function() {
                this._projectionTextureProjectionLightDirty = !1,
                this._projectionTextureDirty = !0;
                var e = this.projectionTextureLightFar
                  , t = this.projectionTextureLightNear
                  , i = e / (e - t)
                  , n = -i * t
                  , r = 1 / Math.tan(this._angle / 2);
                P.FromValuesToRef(r / 1, 0, 0, 0, 0, r, 0, 0, 0, 0, i, 1, 0, 0, n, 0, this._projectionTextureProjectionLightMatrix)
            }
            ,
            t.prototype._computeProjectionTextureMatrix = function() {
                if (this._projectionTextureDirty = !1,
                this._projectionTextureViewLightMatrix.multiplyToRef(this._projectionTextureProjectionLightMatrix, this._projectionTextureMatrix),
                this._projectionTexture instanceof io) {
                    var e = this._projectionTexture.uScale / 2
                      , t = this._projectionTexture.vScale / 2;
                    P.FromValuesToRef(e, 0, 0, 0, 0, t, 0, 0, 0, 0, .5, 0, .5, .5, .5, 1, this._projectionTextureScalingMatrix)
                }
                this._projectionTextureMatrix.multiplyToRef(this._projectionTextureScalingMatrix, this._projectionTextureMatrix)
            }
            ,
            t.prototype._buildUniformLayout = function() {
                this._uniformBuffer.addUniform("vLightData", 4),
                this._uniformBuffer.addUniform("vLightDiffuse", 4),
                this._uniformBuffer.addUniform("vLightSpecular", 4),
                this._uniformBuffer.addUniform("vLightDirection", 3),
                this._uniformBuffer.addUniform("vLightFalloff", 4),
                this._uniformBuffer.addUniform("shadowsInfo", 3),
                this._uniformBuffer.addUniform("depthValues", 2),
                this._uniformBuffer.create()
            }
            ,
            t.prototype._computeAngleValues = function() {
                this._lightAngleScale = 1 / Math.max(.001, Math.cos(.5 * this._innerAngle) - this._cosHalfAngle),
                this._lightAngleOffset = -this._cosHalfAngle * this._lightAngleScale
            }
            ,
            t.prototype.transferTexturesToEffect = function(e, t) {
                return this.projectionTexture && this.projectionTexture.isReady() && (this._projectionTextureViewLightDirty && this._computeProjectionTextureViewLightMatrix(),
                this._projectionTextureProjectionLightDirty && this._computeProjectionTextureProjectionLightMatrix(),
                this._projectionTextureDirty && this._computeProjectionTextureMatrix(),
                e.setMatrix("textureProjectionMatrix" + t, this._projectionTextureMatrix),
                e.setTexture("projectionLightSampler" + t, this.projectionTexture)),
                this
            }
            ,
            t.prototype.transferToEffect = function(e, t) {
                var i;
                return this.computeTransformedInformation() ? (this._uniformBuffer.updateFloat4("vLightData", this.transformedPosition.x, this.transformedPosition.y, this.transformedPosition.z, this.exponent, t),
                i = x.Normalize(this.transformedDirection)) : (this._uniformBuffer.updateFloat4("vLightData", this.position.x, this.position.y, this.position.z, this.exponent, t),
                i = x.Normalize(this.direction)),
                this._uniformBuffer.updateFloat4("vLightDirection", i.x, i.y, i.z, this._cosHalfAngle, t),
                this._uniformBuffer.updateFloat4("vLightFalloff", this.range, this._inverseSquaredRange, this._lightAngleScale, this._lightAngleOffset, t),
                this
            }
            ,
            t.prototype.transferToNodeMaterialEffect = function(e, t) {
                var i;
                return i = this.computeTransformedInformation() ? x.Normalize(this.transformedDirection) : x.Normalize(this.direction),
                this.getScene().useRightHandedSystem ? e.setFloat3(t, -i.x, -i.y, -i.z) : e.setFloat3(t, i.x, i.y, i.z),
                this
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._projectionTexture && this._projectionTexture.dispose()
            }
            ,
            t.prototype.getDepthMinZ = function(e) {
                var t = this._scene.getEngine()
                  , i = void 0 !== this.shadowMinZ ? this.shadowMinZ : e.minZ;
                return t.useReverseDepthBuffer && t.isNDCHalfZRange ? i : this._scene.getEngine().isNDCHalfZRange ? 0 : i
            }
            ,
            t.prototype.getDepthMaxZ = function(e) {
                var t = this._scene.getEngine()
                  , i = void 0 !== this.shadowMaxZ ? this.shadowMaxZ : e.maxZ;
                return t.useReverseDepthBuffer && t.isNDCHalfZRange ? 0 : i
            }
            ,
            t.prototype.prepareLightSpecificDefines = function(e, t) {
                e["SPOTLIGHT" + t] = !0,
                e["PROJECTEDLIGHTTEXTURE" + t] = !(!this.projectionTexture || !this.projectionTexture.isReady())
            }
            ,
            k([Ce()], t.prototype, "angle", null),
            k([Ce()], t.prototype, "innerAngle", null),
            k([Ce()], t.prototype, "shadowAngleScale", null),
            k([Ce()], t.prototype, "exponent", void 0),
            k([Ce()], t.prototype, "projectionTextureLightNear", null),
            k([Ce()], t.prototype, "projectionTextureLightFar", null),
            k([Ce()], t.prototype, "projectionTextureUpDirection", null),
            k([Pe("projectedLightTexture")], t.prototype, "_projectionTexture", void 0),
            t
        }(xd)
          , Nd = function(e) {
            function t(t) {
                void 0 === t && (t = El.DefaultUtilityLayer);
                var i = e.call(this, t) || this;
                return i._cachedPosition = new x,
                i._cachedForward = new x(0,0,1),
                i._pointerObserver = null,
                i.onClickedObservable = new h,
                i._light = null,
                i.attachedMesh = new Sr("",i.gizmoLayer.utilityLayerScene),
                i._attachedMeshParent = new yr("parent",i.gizmoLayer.utilityLayerScene),
                i.attachedMesh.parent = i._attachedMeshParent,
                i._material = new Os("light",i.gizmoLayer.utilityLayerScene),
                i._material.diffuseColor = new D(.5,.5,.5),
                i._material.specularColor = new D(.1,.1,.1),
                i._pointerObserver = t.utilityLayerScene.onPointerObservable.add((function(e) {
                    i._light && (i._isHovered = !(!e.pickInfo || -1 == i._rootMesh.getChildMeshes().indexOf(e.pickInfo.pickedMesh)),
                    i._isHovered && 0 === e.event.button && i.onClickedObservable.notifyObservers(i._light))
                }
                ), Xi.POINTERDOWN),
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "attachedNode", {
                get: function() {
                    return this.attachedMesh
                },
                set: function(e) {
                    console.warn("Nodes cannot be attached to LightGizmo. Attach to a mesh instead.")
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "light", {
                get: function() {
                    return this._light
                },
                set: function(e) {
                    var i = this;
                    if (this._light = e,
                    e) {
                        this._lightMesh && this._lightMesh.dispose(),
                        this._lightMesh = e instanceof ds ? t._CreateHemisphericLightMesh(this.gizmoLayer.utilityLayerScene) : e instanceof Rd ? t._CreateDirectionalLightMesh(this.gizmoLayer.utilityLayerScene) : e instanceof Dd ? t._CreateSpotLightMesh(this.gizmoLayer.utilityLayerScene) : t._CreatePointLightMesh(this.gizmoLayer.utilityLayerScene),
                        this._lightMesh.getChildMeshes(!1).forEach((function(e) {
                            e.material = i._material
                        }
                        )),
                        this._lightMesh.parent = this._rootMesh;
                        var n = this.gizmoLayer._getSharedGizmoLight();
                        n.includedOnlyMeshes = n.includedOnlyMeshes.concat(this._lightMesh.getChildMeshes(!1)),
                        this._lightMesh.rotationQuaternion = new C,
                        this.attachedMesh.reservedDataStore || (this.attachedMesh.reservedDataStore = {}),
                        this.attachedMesh.reservedDataStore.lightGizmo = this,
                        e.parent && this._attachedMeshParent.freezeWorldMatrix(e.parent.getWorldMatrix()),
                        e.position && (this.attachedMesh.position.copyFrom(e.position),
                        this.attachedMesh.computeWorldMatrix(!0),
                        this._cachedPosition.copyFrom(this.attachedMesh.position)),
                        e.direction && (this.attachedMesh.setDirection(e.direction),
                        this.attachedMesh.computeWorldMatrix(!0),
                        this._cachedForward.copyFrom(this.attachedMesh.forward)),
                        this._update()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._material
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._update = function() {
                if (e.prototype._update.call(this),
                this._light) {
                    if (this._light.parent && this._attachedMeshParent.freezeWorldMatrix(this._light.parent.getWorldMatrix()),
                    this._light.position)
                        if (this.attachedMesh.position.equals(this._cachedPosition))
                            this.attachedMesh.position.copyFrom(this._light.position),
                            this.attachedMesh.computeWorldMatrix(!0),
                            this._cachedPosition.copyFrom(this.attachedMesh.position);
                        else {
                            var t = this.attachedMesh.position;
                            this._light.position = new x(t.x,t.y,t.z),
                            this._cachedPosition.copyFrom(this.attachedMesh.position)
                        }
                    if (this._light.direction)
                        if (x.DistanceSquared(this.attachedMesh.forward, this._cachedForward) > 1e-4) {
                            var i = this.attachedMesh.forward;
                            this._light.direction = new x(i.x,i.y,i.z),
                            this._cachedForward.copyFrom(this.attachedMesh.forward)
                        } else
                            x.DistanceSquared(this.attachedMesh.forward, this._light.direction) > 1e-4 && (this.attachedMesh.setDirection(this._light.direction),
                            this.attachedMesh.computeWorldMatrix(!0),
                            this._cachedForward.copyFrom(this.attachedMesh.forward))
                }
            }
            ,
            t.prototype.dispose = function() {
                this.onClickedObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this._material.dispose(),
                e.prototype.dispose.call(this),
                this._attachedMeshParent.dispose()
            }
            ,
            t._CreateHemisphericLightMesh = function(e) {
                var i = new Vr("hemisphereLight",e)
                  , n = Id(i.name, {
                    segments: 10,
                    diameter: 1
                }, e);
                return n.position.z = -.15,
                n.rotation.x = Math.PI / 2,
                n.parent = i,
                this._CreateLightLines(3, e).parent = i,
                i.scaling.scaleInPlace(t._Scale),
                i.rotation.x = Math.PI / 2,
                i
            }
            ,
            t._CreatePointLightMesh = function(e) {
                var i = new Vr("pointLight",e)
                  , n = Dl(i.name, {
                    segments: 10,
                    diameter: 1
                }, e);
                return n.rotation.x = Math.PI / 2,
                n.parent = i,
                this._CreateLightLines(5, e).parent = i,
                i.scaling.scaleInPlace(t._Scale),
                i.rotation.x = Math.PI / 2,
                i
            }
            ,
            t._CreateSpotLightMesh = function(e) {
                var i = new Vr("spotLight",e);
                Dl(i.name, {
                    segments: 10,
                    diameter: 1
                }, e).parent = i;
                var n = Id(i.name, {
                    segments: 10,
                    diameter: 2
                }, e);
                return n.parent = i,
                n.rotation.x = -Math.PI / 2,
                this._CreateLightLines(2, e).parent = i,
                i.scaling.scaleInPlace(t._Scale),
                i.rotation.x = Math.PI / 2,
                i
            }
            ,
            t._CreateDirectionalLightMesh = function(e) {
                var i = new Vr("directionalLight",e)
                  , n = new Vr(i.name,e);
                n.parent = i,
                Dl(i.name, {
                    diameter: 1.2,
                    segments: 10
                }, e).parent = n;
                var r = Ys(i.name, {
                    updatable: !1,
                    height: 6,
                    diameterTop: .3,
                    diameterBottom: .3,
                    tessellation: 6,
                    subdivisions: 1
                }, e);
                r.parent = n;
                var o = r.clone(i.name);
                o.scaling.y = .5,
                o.position.x += 1.25;
                var a = r.clone(i.name);
                a.scaling.y = .5,
                a.position.x += -1.25;
                var s = Ys(i.name, {
                    updatable: !1,
                    height: 1,
                    diameterTop: 0,
                    diameterBottom: .6,
                    tessellation: 6,
                    subdivisions: 1
                }, e);
                return s.position.y += 3,
                s.parent = n,
                (o = s.clone(i.name)).position.y = 1.5,
                o.position.x += 1.25,
                (a = s.clone(i.name)).position.y = 1.5,
                a.position.x += -1.25,
                n.scaling.scaleInPlace(t._Scale),
                n.rotation.z = Math.PI / 2,
                n.rotation.y = Math.PI / 2,
                i
            }
            ,
            t._Scale = .007,
            t._CreateLightLines = function(e, t) {
                var i = new Vr("root",t);
                i.rotation.x = Math.PI / 2;
                var n = new Vr("linePivot",t);
                n.parent = i;
                var r = Ys("line", {
                    updatable: !1,
                    height: 2,
                    diameterTop: .2,
                    diameterBottom: .3,
                    tessellation: 6,
                    subdivisions: 1
                }, t);
                if (r.position.y = r.scaling.y / 2 + 1.2,
                r.parent = n,
                e < 2)
                    return n;
                for (var o = 0; o < 4; o++) {
                    var a = n.clone("lineParentClone");
                    a.rotation.z = Math.PI / 4,
                    a.rotation.y = Math.PI / 2 + Math.PI / 2 * o,
                    a.getChildMeshes()[0].scaling.y = .5,
                    a.getChildMeshes()[0].scaling.x = a.getChildMeshes()[0].scaling.z = .8,
                    a.getChildMeshes()[0].position.y = a.getChildMeshes()[0].scaling.y / 2 + 1.2
                }
                if (e < 3)
                    return i;
                for (o = 0; o < 4; o++) {
                    var s = n.clone("linePivotClone");
                    s.rotation.z = Math.PI / 2,
                    s.rotation.y = Math.PI / 2 * o
                }
                if (e < 4)
                    return i;
                for (o = 0; o < 4; o++) {
                    var l = n.clone("linePivotClone");
                    l.rotation.z = Math.PI + Math.PI / 4,
                    l.rotation.y = Math.PI / 2 + Math.PI / 2 * o,
                    l.getChildMeshes()[0].scaling.y = .5,
                    l.getChildMeshes()[0].scaling.x = l.getChildMeshes()[0].scaling.z = .8,
                    l.getChildMeshes()[0].position.y = l.getChildMeshes()[0].scaling.y / 2 + 1.2
                }
                return e < 5 || (n.clone("linePivotClone").rotation.z = Math.PI),
                i
            }
            ,
            t
        }(Sl)
          , Ld = function(e) {
            function t(t) {
                void 0 === t && (t = El.DefaultUtilityLayer);
                var i = e.call(this, t) || this;
                return i._pointerObserver = null,
                i.onClickedObservable = new h,
                i._camera = null,
                i._invProjection = new P,
                i._material = new Os("cameraGizmoMaterial",i.gizmoLayer.utilityLayerScene),
                i._material.diffuseColor = new D(.5,.5,.5),
                i._material.specularColor = new D(.1,.1,.1),
                i._pointerObserver = t.utilityLayerScene.onPointerObservable.add((function(e) {
                    i._camera && (i._isHovered = !(!e.pickInfo || -1 == i._rootMesh.getChildMeshes().indexOf(e.pickInfo.pickedMesh)),
                    i._isHovered && 0 === e.event.button && i.onClickedObservable.notifyObservers(i._camera))
                }
                ), Xi.POINTERDOWN),
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "displayFrustum", {
                get: function() {
                    return this._cameraLinesMesh.isEnabled()
                },
                set: function(e) {
                    this._cameraLinesMesh.setEnabled(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "camera", {
                get: function() {
                    return this._camera
                },
                set: function(e) {
                    var i = this;
                    if (this._camera = e,
                    this.attachedNode = e,
                    e) {
                        this._cameraMesh && this._cameraMesh.dispose(),
                        this._cameraLinesMesh && this._cameraLinesMesh.dispose(),
                        this._cameraMesh = t._CreateCameraMesh(this.gizmoLayer.utilityLayerScene),
                        this._cameraLinesMesh = t._CreateCameraFrustum(this.gizmoLayer.utilityLayerScene),
                        this._cameraMesh.getChildMeshes(!1).forEach((function(e) {
                            e.material = i._material
                        }
                        )),
                        this._cameraMesh.parent = this._rootMesh,
                        this._cameraLinesMesh.parent = this._rootMesh,
                        this.gizmoLayer.utilityLayerScene.activeCamera && this.gizmoLayer.utilityLayerScene.activeCamera.maxZ < 1.5 * e.maxZ && (this.gizmoLayer.utilityLayerScene.activeCamera.maxZ = 1.5 * e.maxZ),
                        this.attachedNode.reservedDataStore || (this.attachedNode.reservedDataStore = {}),
                        this.attachedNode.reservedDataStore.cameraGizmo = this;
                        var n = this.gizmoLayer._getSharedGizmoLight();
                        n.includedOnlyMeshes = n.includedOnlyMeshes.concat(this._cameraMesh.getChildMeshes(!1)),
                        this._update()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._material
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._update = function() {
                e.prototype._update.call(this),
                this._camera && (this._camera.getProjectionMatrix().invertToRef(this._invProjection),
                this._cameraLinesMesh.setPivotMatrix(this._invProjection, !1),
                this._cameraLinesMesh.scaling.x = 1 / this._rootMesh.scaling.x,
                this._cameraLinesMesh.scaling.y = 1 / this._rootMesh.scaling.y,
                this._cameraLinesMesh.scaling.z = 1 / this._rootMesh.scaling.z,
                this._cameraMesh.parent = null,
                this._cameraMesh.rotation.y = .5 * Math.PI * (this._camera.getScene().useRightHandedSystem ? 1 : -1),
                this._cameraMesh.parent = this._rootMesh)
            }
            ,
            t.prototype.dispose = function() {
                this.onClickedObservable.clear(),
                this.gizmoLayer.utilityLayerScene.onPointerObservable.remove(this._pointerObserver),
                this._cameraMesh && this._cameraMesh.dispose(),
                this._cameraLinesMesh && this._cameraLinesMesh.dispose(),
                this._material.dispose(),
                e.prototype.dispose.call(this)
            }
            ,
            t._CreateCameraMesh = function(e) {
                var i = new Vr("rootCameraGizmo",e)
                  , n = new Vr(i.name,e);
                n.parent = i,
                Ml(i.name, {
                    width: 1,
                    height: .8,
                    depth: .5
                }, e).parent = n;
                var r = Ys(i.name, {
                    height: .5,
                    diameterTop: .8,
                    diameterBottom: .8
                }, e);
                r.parent = n,
                r.position.y = .3,
                r.position.x = -.6,
                r.rotation.x = .5 * Math.PI;
                var o = Ys(i.name, {
                    height: .5,
                    diameterTop: .6,
                    diameterBottom: .6
                }, e);
                o.parent = n,
                o.position.y = .5,
                o.position.x = .4,
                o.rotation.x = .5 * Math.PI;
                var a = Ys(i.name, {
                    height: .5,
                    diameterTop: .5,
                    diameterBottom: .5
                }, e);
                return a.parent = n,
                a.position.y = 0,
                a.position.x = .6,
                a.rotation.z = .5 * Math.PI,
                i.scaling.scaleInPlace(t._Scale),
                n.position.x = -.9,
                i
            }
            ,
            t._CreateCameraFrustum = function(e) {
                var t = new Vr("rootCameraGizmo",e)
                  , i = new Vr(t.name,e);
                i.parent = t;
                for (var n = 0; n < 4; n += 2)
                    for (var r = 0; r < 4; r += 2) {
                        var o = Jl("lines", {
                            points: [new x(-1 + r,-1 + n,-1), new x(-1 + r,-1 + n,1)]
                        }, e);
                        o.parent = i,
                        o.alwaysSelectAsActiveMesh = !0,
                        o.isPickable = !1,
                        (o = Jl("lines", {
                            points: [new x(-1,-1 + r,-1 + n), new x(1,-1 + r,-1 + n)]
                        }, e)).parent = i,
                        o.alwaysSelectAsActiveMesh = !0,
                        o.isPickable = !1,
                        (o = Jl("lines", {
                            points: [new x(-1 + r,-1,-1 + n), new x(-1 + r,1,-1 + n)]
                        }, e)).parent = i,
                        o.alwaysSelectAsActiveMesh = !0,
                        o.isPickable = !1
                    }
                return t
            }
            ,
            t._Scale = .05,
            t
        }(Sl);
        Pt.IncludesShadersStore.kernelBlurVaryingDeclaration = "varying vec2 sampleCoord{X};";
        Pt.IncludesShadersStore.packingFunctions = "vec4 pack(float depth)\n{\nconst vec4 bit_shift=vec4(255.0*255.0*255.0,255.0*255.0,255.0,1.0);\nconst vec4 bit_mask=vec4(0.0,1.0/255.0,1.0/255.0,1.0/255.0);\nvec4 res=fract(depth*bit_shift);\nres-=res.xxyz*bit_mask;\nreturn res;\n}\nfloat unpack(vec4 color)\n{\nconst vec4 bit_shift=vec4(1.0/(255.0*255.0*255.0),1.0/(255.0*255.0),1.0/255.0,1.0);\nreturn dot(color,bit_shift);\n}";
        Pt.IncludesShadersStore.kernelBlurFragment = "#ifdef DOF\nfactor=sampleCoC(sampleCoord{X}); \ncomputedWeight=KERNEL_WEIGHT{X}*factor;\nsumOfWeights+=computedWeight;\n#else\ncomputedWeight=KERNEL_WEIGHT{X};\n#endif\n#ifdef PACKEDFLOAT\nblend+=unpack(texture2D(textureSampler,sampleCoord{X}))*computedWeight;\n#else\nblend+=texture2D(textureSampler,sampleCoord{X})*computedWeight;\n#endif\n";
        Pt.IncludesShadersStore.kernelBlurFragment2 = "#ifdef DOF\nfactor=sampleCoC(sampleCenter+delta*KERNEL_DEP_OFFSET{X});\ncomputedWeight=KERNEL_DEP_WEIGHT{X}*factor;\nsumOfWeights+=computedWeight;\n#else\ncomputedWeight=KERNEL_DEP_WEIGHT{X};\n#endif\n#ifdef PACKEDFLOAT\nblend+=unpack(texture2D(textureSampler,sampleCenter+delta*KERNEL_DEP_OFFSET{X}))*computedWeight;\n#else\nblend+=texture2D(textureSampler,sampleCenter+delta*KERNEL_DEP_OFFSET{X})*computedWeight;\n#endif\n";
        Pt.ShadersStore.kernelBlurPixelShader = "uniform sampler2D textureSampler;\nuniform vec2 delta;\nvarying vec2 sampleCenter;\n#ifdef DOF\nuniform sampler2D circleOfConfusionSampler;\nuniform vec2 cameraMinMaxZ;\nfloat sampleDistance(in vec2 offset) {\nfloat depth=texture2D(circleOfConfusionSampler,offset).g; \nreturn cameraMinMaxZ.x+(cameraMinMaxZ.y-cameraMinMaxZ.x)*depth; \n}\nfloat sampleCoC(in vec2 offset) {\nfloat coc=texture2D(circleOfConfusionSampler,offset).r; \nreturn coc; \n}\n#endif\n#include<kernelBlurVaryingDeclaration>[0..varyingCount]\n#ifdef PACKEDFLOAT\n#include<packingFunctions>\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nfloat computedWeight=0.0;\n#ifdef PACKEDFLOAT \nfloat blend=0.;\n#else\nvec4 blend=vec4(0.);\n#endif\n#ifdef DOF\nfloat sumOfWeights=CENTER_WEIGHT; \nfloat factor=0.0;\n#ifdef PACKEDFLOAT\nblend+=unpack(texture2D(textureSampler,sampleCenter))*CENTER_WEIGHT;\n#else\nblend+=texture2D(textureSampler,sampleCenter)*CENTER_WEIGHT;\n#endif\n#endif\n#include<kernelBlurFragment>[0..varyingCount]\n#include<kernelBlurFragment2>[0..depCount]\n#ifdef PACKEDFLOAT\ngl_FragColor=pack(blend);\n#else\ngl_FragColor=blend;\n#endif\n#ifdef DOF\ngl_FragColor/=sumOfWeights;\n#endif\n}";
        Pt.IncludesShadersStore.kernelBlurVertex = "sampleCoord{X}=sampleCenter+delta*KERNEL_OFFSET{X};";
        Pt.ShadersStore.kernelBlurVertexShader = "attribute vec2 position;\nuniform vec2 delta;\nvarying vec2 sampleCenter;\n#include<kernelBlurVaryingDeclaration>[0..varyingCount]\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nsampleCenter=(position*madd+madd);\n#include<kernelBlurVertex>[0..varyingCount]\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var Fd = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h, d) {
                void 0 === s && (s = io.BILINEAR_SAMPLINGMODE),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === h && (h = ""),
                void 0 === d && (d = !1);
                var p = e.call(this, t, "kernelBlur", ["delta", "direction", "cameraMinMaxZ"], ["circleOfConfusionSampler"], r, o, s, l, c, null, u, "kernelBlur", {
                    varyingCount: 0,
                    depCount: 0
                }, !0) || this;
                return p._blockCompilation = d,
                p._packedFloat = !1,
                p._staticDefines = "",
                p._staticDefines = h,
                p.direction = i,
                p.onApplyObservable.add((function(e) {
                    p._outputTexture ? e.setFloat2("delta", 1 / p._outputTexture.width * p.direction.x, 1 / p._outputTexture.height * p.direction.y) : e.setFloat2("delta", 1 / p.width * p.direction.x, 1 / p.height * p.direction.y)
                }
                )),
                p.kernel = n,
                p
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "kernel", {
                get: function() {
                    return this._idealKernel
                },
                set: function(e) {
                    this._idealKernel !== e && (e = Math.max(e, 1),
                    this._idealKernel = e,
                    this._kernel = this._nearestBestKernel(e),
                    this._blockCompilation || this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "packedFloat", {
                get: function() {
                    return this._packedFloat
                },
                set: function(e) {
                    this._packedFloat !== e && (this._packedFloat = e,
                    this._blockCompilation || this._updateParameters())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "BlurPostProcess"
            }
            ,
            t.prototype.updateEffect = function(e, t, i, n, r, o) {
                void 0 === e && (e = null),
                void 0 === t && (t = null),
                void 0 === i && (i = null),
                this._updateParameters(r, o)
            }
            ,
            t.prototype._updateParameters = function(t, i) {
                for (var n = this._kernel, r = (n - 1) / 2, o = [], a = [], s = 0, l = 0; l < n; l++) {
                    var c = l / (n - 1)
                      , u = this._gaussianWeight(2 * c - 1);
                    o[l] = l - r,
                    a[l] = u,
                    s += u
                }
                for (l = 0; l < a.length; l++)
                    a[l] /= s;
                var h = []
                  , d = []
                  , p = [];
                for (l = 0; l <= r; l += 2) {
                    var f = Math.min(l + 1, Math.floor(r));
                    if (l === f)
                        p.push({
                            o: o[l],
                            w: a[l]
                        });
                    else {
                        var _ = f === r
                          , m = a[l] + a[f] * (_ ? .5 : 1)
                          , g = o[l] + 1 / (1 + a[l] / a[f]);
                        0 === g ? (p.push({
                            o: o[l],
                            w: a[l]
                        }),
                        p.push({
                            o: o[l + 1],
                            w: a[l + 1]
                        })) : (p.push({
                            o: g,
                            w: m
                        }),
                        p.push({
                            o: -g,
                            w: m
                        }))
                    }
                }
                for (l = 0; l < p.length; l++)
                    d[l] = p[l].o,
                    h[l] = p[l].w;
                o = d,
                a = h;
                var v = this.getEngine().getCaps().maxVaryingVectors
                  , y = Math.max(v, 0) - 1
                  , b = Math.min(o.length, y)
                  , T = "";
                for (T += this._staticDefines,
                -1 != this._staticDefines.indexOf("DOF") && (T += "#define CENTER_WEIGHT ".concat(this._glslFloat(a[b - 1]), "\r\n"),
                b--),
                l = 0; l < b; l++)
                    T += "#define KERNEL_OFFSET".concat(l, " ").concat(this._glslFloat(o[l]), "\r\n"),
                    T += "#define KERNEL_WEIGHT".concat(l, " ").concat(this._glslFloat(a[l]), "\r\n");
                var E = 0;
                for (l = y; l < o.length; l++)
                    T += "#define KERNEL_DEP_OFFSET".concat(E, " ").concat(this._glslFloat(o[l]), "\r\n"),
                    T += "#define KERNEL_DEP_WEIGHT".concat(E, " ").concat(this._glslFloat(a[l]), "\r\n"),
                    E++;
                this.packedFloat && (T += "#define PACKEDFLOAT 1"),
                this._blockCompilation = !1,
                e.prototype.updateEffect.call(this, T, null, null, {
                    varyingCount: b,
                    depCount: E
                }, t, i)
            }
            ,
            t.prototype._nearestBestKernel = function(e) {
                for (var t = Math.round(e), i = 0, n = [t, t - 1, t + 1, t - 2, t + 2]; i < n.length; i++) {
                    var r = n[i];
                    if (r % 2 != 0 && Math.floor(r / 2) % 2 == 0 && r > 0)
                        return Math.max(r, 3)
                }
                return Math.max(t, 3)
            }
            ,
            t.prototype._gaussianWeight = function(e) {
                var t = 1 / 3
                  , i = -e * e / (2 * t * t);
                return 1 / (Math.sqrt(2 * Math.PI) * t) * Math.exp(i)
            }
            ,
            t.prototype._glslFloat = function(e, t) {
                return void 0 === t && (t = 8),
                e.toFixed(t).replace(/0+$/, "")
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.direction,e.kernel,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable,e.textureType,void 0,!1)
                }
                ), e, n, r)
            }
            ,
            k([Ce("kernel")], t.prototype, "_kernel", void 0),
            k([Ce("packedFloat")], t.prototype, "_packedFloat", void 0),
            k([Oe()], t.prototype, "direction", void 0),
            t
        }(Ba);
        y("BABYLON.BlurPostProcess", Fd);
        var wd = function(e) {
            function t(t, i, n, r, o, s, l) {
                void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === s && (s = io.BILINEAR_SAMPLINGMODE),
                void 0 === l && (l = !0);
                var c = e.call(this, t, i, n, r, !0, o, !1, s, l) || this;
                if (c.mirrorPlane = new hn(0,1,0,1),
                c._transformMatrix = P.Zero(),
                c._mirrorMatrix = P.Zero(),
                c._adaptiveBlurKernel = 0,
                c._blurKernelX = 0,
                c._blurKernelY = 0,
                c._blurRatio = 1,
                !(n = c.getScene()))
                    return c;
                c.ignoreCameraViewport = !0,
                c._updateGammaSpace(),
                c._imageProcessingConfigChangeObserver = n.imageProcessingConfiguration.onUpdateParameters.add((function() {
                    c._updateGammaSpace()
                }
                ));
                var u, h = n.getEngine();
                return h.supportsUniformBuffers && (c._sceneUBO = n.createSceneUniformBuffer('Scene for Mirror Texture (name "'.concat(t, '")'))),
                c.onBeforeBindObservable.add((function() {
                    var e;
                    null === (e = h._debugPushGroup) || void 0 === e || e.call(h, "mirror generation for ".concat(t), 1)
                }
                )),
                c.onAfterUnbindObservable.add((function() {
                    var e;
                    null === (e = h._debugPopGroup) || void 0 === e || e.call(h, 1)
                }
                )),
                c.onBeforeRenderObservable.add((function() {
                    c._sceneUBO && (c._currentSceneUBO = n.getSceneUniformBuffer(),
                    n.setSceneUniformBuffer(c._sceneUBO),
                    n.getSceneUniformBuffer().unbindEffect()),
                    P.ReflectionToRef(c.mirrorPlane, c._mirrorMatrix),
                    c._mirrorMatrix.multiplyToRef(n.getViewMatrix(), c._transformMatrix),
                    n.setTransformMatrix(c._transformMatrix, n.getProjectionMatrix()),
                    u = n.clipPlane,
                    n.clipPlane = c.mirrorPlane,
                    n.getEngine().cullBackFaces = !1,
                    n._mirroredCameraPosition = x.TransformCoordinates(n.activeCamera.globalPosition, c._mirrorMatrix)
                }
                )),
                c.onAfterRenderObservable.add((function() {
                    c._sceneUBO && n.setSceneUniformBuffer(c._currentSceneUBO),
                    n.updateTransformMatrix(),
                    n.getEngine().cullBackFaces = null,
                    n._mirroredCameraPosition = null,
                    n.clipPlane = u
                }
                )),
                c
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "blurRatio", {
                get: function() {
                    return this._blurRatio
                },
                set: function(e) {
                    this._blurRatio !== e && (this._blurRatio = e,
                    this._preparePostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "adaptiveBlurKernel", {
                set: function(e) {
                    this._adaptiveBlurKernel = e,
                    this._autoComputeBlurKernel()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blurKernel", {
                set: function(e) {
                    this.blurKernelX = e,
                    this.blurKernelY = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blurKernelX", {
                get: function() {
                    return this._blurKernelX
                },
                set: function(e) {
                    this._blurKernelX !== e && (this._blurKernelX = e,
                    this._preparePostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blurKernelY", {
                get: function() {
                    return this._blurKernelY
                },
                set: function(e) {
                    this._blurKernelY !== e && (this._blurKernelY = e,
                    this._preparePostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._autoComputeBlurKernel = function() {
                var e = this.getScene().getEngine()
                  , t = this.getRenderWidth() / e.getRenderWidth()
                  , i = this.getRenderHeight() / e.getRenderHeight();
                this.blurKernelX = this._adaptiveBlurKernel * t,
                this.blurKernelY = this._adaptiveBlurKernel * i
            }
            ,
            t.prototype._onRatioRescale = function() {
                this._sizeRatio && (this.resize(this._initialSizeParameter),
                this._adaptiveBlurKernel || this._preparePostProcesses()),
                this._adaptiveBlurKernel && this._autoComputeBlurKernel()
            }
            ,
            t.prototype._updateGammaSpace = function() {
                var e = this.getScene();
                e && (this.gammaSpace = !e.imageProcessingConfiguration.isEnabled || !e.imageProcessingConfiguration.applyByPostProcess)
            }
            ,
            t.prototype._preparePostProcesses = function() {
                if (this.clearPostProcesses(!0),
                this._blurKernelX && this._blurKernelY) {
                    var e = this.getScene().getEngine()
                      , t = e.getCaps().textureFloatRender && e.getCaps().textureFloatLinearFiltering ? a.TEXTURETYPE_FLOAT : a.TEXTURETYPE_HALF_FLOAT;
                    this._blurX = new Fd("horizontal blur",new A(1,0),this._blurKernelX,this._blurRatio,null,io.BILINEAR_SAMPLINGMODE,e,!1,t),
                    this._blurX.autoClear = !1,
                    1 === this._blurRatio && this.samples < 2 && this._texture ? this._blurX.inputTexture = this._renderTarget : this._blurX.alwaysForcePOT = !0,
                    this._blurY = new Fd("vertical blur",new A(0,1),this._blurKernelY,this._blurRatio,null,io.BILINEAR_SAMPLINGMODE,e,!1,t),
                    this._blurY.autoClear = !1,
                    this._blurY.alwaysForcePOT = 1 !== this._blurRatio,
                    this.addPostProcess(this._blurX),
                    this.addPostProcess(this._blurY)
                } else
                    this._blurY && (this.removePostProcess(this._blurY),
                    this._blurY.dispose(),
                    this._blurY = null),
                    this._blurX && (this.removePostProcess(this._blurX),
                    this._blurX.dispose(),
                    this._blurX = null)
            }
            ,
            t.prototype.clone = function() {
                var e = this.getScene();
                if (!e)
                    return this;
                var i = this.getSize()
                  , n = new t(this.name,i.width,e,this._renderTargetOptions.generateMipMaps,this._renderTargetOptions.type,this._renderTargetOptions.samplingMode,this._renderTargetOptions.generateDepthBuffer);
                return n.hasAlpha = this.hasAlpha,
                n.level = this.level,
                n.mirrorPlane = this.mirrorPlane.clone(),
                this.renderList && (n.renderList = this.renderList.slice(0)),
                n
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var t = e.prototype.serialize.call(this);
                return t.mirrorPlane = this.mirrorPlane.asArray(),
                t
            }
            ,
            t.prototype.dispose = function() {
                var t;
                e.prototype.dispose.call(this);
                var i = this.getScene();
                i && i.imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingConfigChangeObserver),
                null === (t = this._sceneUBO) || void 0 === t || t.dispose()
            }
            ,
            t
        }(ns);
        io._CreateMirror = function(e, t, i, n) {
            return new wd(e,t,i,n)
        }
        ;
        var Bd = function(e) {
            function t(t, i, n, r, o, s, l, c, u, d, p, f, _, m, g) {
                void 0 === n && (n = null),
                void 0 === r && (r = !1),
                void 0 === o && (o = null),
                void 0 === s && (s = null),
                void 0 === l && (l = null),
                void 0 === c && (c = a.TEXTUREFORMAT_RGBA),
                void 0 === u && (u = !1),
                void 0 === d && (d = null),
                void 0 === p && (p = !1),
                void 0 === f && (f = .8),
                void 0 === _ && (_ = 0);
                var v, y = this;
                return (y = e.call(this, i) || this)._lodScale = .8,
                y._lodOffset = 0,
                y.onLoadObservable = new h,
                y.boundingBoxPosition = x.Zero(),
                y._rotationY = 0,
                y._files = null,
                y._forcedExtension = null,
                y._extensions = null,
                y.name = t,
                y.url = t,
                y._noMipmap = r,
                y.hasAlpha = !1,
                y._format = c,
                y.isCube = !0,
                y._textureMatrix = P.Identity(),
                y._createPolynomials = p,
                y.coordinatesMode = io.CUBIC_MODE,
                y._extensions = n,
                y._files = o,
                y._forcedExtension = d,
                y._loaderOptions = m,
                y._useSRGBBuffer = g,
                y._lodScale = f,
                y._lodOffset = _,
                t || o ? (y.updateURL(t, d, s, u, l, n, null === (v = y.getScene()) || void 0 === v ? void 0 : v.useDelayedTextureLoading, o),
                y) : y
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "boundingBoxSize", {
                get: function() {
                    return this._boundingBoxSize
                },
                set: function(e) {
                    if (!this._boundingBoxSize || !this._boundingBoxSize.equals(e)) {
                        this._boundingBoxSize = e;
                        var t = this.getScene();
                        t && t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationY", {
                get: function() {
                    return this._rotationY
                },
                set: function(e) {
                    this._rotationY = e,
                    this.setReflectionTextureMatrix(P.RotationY(this._rotationY))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "noMipmap", {
                get: function() {
                    return this._noMipmap
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "forcedExtension", {
                get: function() {
                    return this._forcedExtension
                },
                enumerable: !1,
                configurable: !0
            }),
            t.CreateFromImages = function(e, i, n) {
                var r = "";
                return e.forEach((function(e) {
                    return r += e
                }
                )),
                new t(r,i,null,n,e)
            }
            ,
            t.CreateFromPrefilteredData = function(e, i, n, r) {
                void 0 === n && (n = null),
                void 0 === r && (r = !0);
                var o = i.useDelayedTextureLoading;
                i.useDelayedTextureLoading = !1;
                var a = new t(e,i,null,!1,null,null,null,void 0,!0,n,r);
                return i.useDelayedTextureLoading = o,
                a
            }
            ,
            t.prototype.getClassName = function() {
                return "CubeTexture"
            }
            ,
            t.prototype.updateURL = function(e, t, i, n, r, o, s, l) {
                void 0 === i && (i = null),
                void 0 === n && (n = !1),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                void 0 === s && (s = !1),
                void 0 === l && (l = null),
                this.name && !ae(this.name, "data:") || (this.name = e),
                this.url = e;
                var c = e.lastIndexOf(".")
                  , u = t || (c > -1 ? e.substring(c).toLowerCase() : "")
                  , h = 0 === u.indexOf(".dds")
                  , d = 0 === u.indexOf(".env");
                if (d ? (this.gammaSpace = !1,
                this._prefiltered = !1,
                this.anisotropicFilteringLevel = 1) : (this._prefiltered = n,
                n && (this.gammaSpace = !1,
                this.anisotropicFilteringLevel = 1)),
                l)
                    this._files = l;
                else if (d || h || o || (o = ["_px.jpg", "_py.jpg", "_pz.jpg", "_nx.jpg", "_ny.jpg", "_nz.jpg"]),
                this._files = this._files || [],
                this._files.length = 0,
                o) {
                    for (var p = 0; p < o.length; p++)
                        this._files.push(e + o[p]);
                    this._extensions = o
                }
                s ? (this.delayLoadState = a.DELAYLOADSTATE_NOTLOADED,
                this._delayedOnLoad = i,
                this._delayedOnError = r) : this._loadTexture(i, r)
            }
            ,
            t.prototype.delayLoad = function(e) {
                this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED && (e && (this._forcedExtension = e),
                this.delayLoadState = a.DELAYLOADSTATE_LOADED,
                this._loadTexture(this._delayedOnLoad, this._delayedOnError))
            }
            ,
            t.prototype.getReflectionTextureMatrix = function() {
                return this._textureMatrix
            }
            ,
            t.prototype.setReflectionTextureMatrix = function(e) {
                var t, i = this;
                e.updateFlag !== this._textureMatrix.updateFlag && (e.isIdentity() !== this._textureMatrix.isIdentity() && (null === (t = this.getScene()) || void 0 === t || t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                    return -1 !== e.getActiveTextures().indexOf(i)
                }
                ))),
                this._textureMatrix = e)
            }
            ,
            t.prototype._loadTexture = function(e, t) {
                var i, n = this;
                void 0 === e && (e = null),
                void 0 === t && (t = null);
                var r = this.getScene()
                  , o = this._texture;
                this._texture = this._getFromCache(this.url, this._noMipmap, void 0, void 0, this._useSRGBBuffer);
                var s = function() {
                    var t;
                    n.onLoadObservable.notifyObservers(n),
                    o && (o.dispose(),
                    null === (t = n.getScene()) || void 0 === t || t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)),
                    e && e()
                }
                  , l = function(e, i) {
                    n._loadingError = !0,
                    n._errorObject = {
                        message: e,
                        exception: i
                    },
                    t && t(e, i),
                    io.OnTextureLoadErrorObservable.notifyObservers(n)
                };
                this._texture ? this._texture.isReady ? gi.SetImmediate((function() {
                    return s()
                }
                )) : this._texture.onLoadedObservable.add((function() {
                    return s()
                }
                )) : (this._prefiltered ? this._texture = this._getEngine().createPrefilteredCubeTexture(this.url, r, this._lodScale, this._lodOffset, e, l, this._format, this._forcedExtension, this._createPolynomials) : this._texture = this._getEngine().createCubeTexture(this.url, r, this._files, this._noMipmap, e, l, this._format, this._forcedExtension, !1, this._lodScale, this._lodOffset, null, this._loaderOptions, !!this._useSRGBBuffer),
                null === (i = this._texture) || void 0 === i || i.onLoadedObservable.add((function() {
                    return n.onLoadObservable.notifyObservers(n)
                }
                )))
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    var r = !1;
                    return e.prefiltered && (r = e.prefiltered),
                    new t(n + e.name,i,e.extensions,!1,e.files || null,null,null,void 0,r,e.forcedExtension)
                }
                ), e, i);
                if (e.boundingBoxPosition && (r.boundingBoxPosition = x.FromArray(e.boundingBoxPosition)),
                e.boundingBoxSize && (r.boundingBoxSize = x.FromArray(e.boundingBoxSize)),
                e.animations)
                    for (var o = 0; o < e.animations.length; o++) {
                        var a = e.animations[o]
                          , s = b("BABYLON.Animation");
                        s && r.animations.push(s.Parse(a))
                    }
                return r
            }
            ,
            t.prototype.clone = function() {
                var e = this
                  , i = 0
                  , n = Ge.Clone((function() {
                    var n = new t(e.url,e.getScene() || e._getEngine(),e._extensions,e._noMipmap,e._files);
                    return i = n.uniqueId,
                    n
                }
                ), this);
                return n.uniqueId = i,
                n
            }
            ,
            k([Ce()], t.prototype, "url", void 0),
            k([Ce("rotationY")], t.prototype, "rotationY", null),
            k([Ce("files")], t.prototype, "_files", void 0),
            k([Ce("forcedExtension")], t.prototype, "_forcedExtension", void 0),
            k([Ce("extensions")], t.prototype, "_extensions", void 0),
            k([Ue("textureMatrix")], t.prototype, "_textureMatrix", void 0),
            t
        }(Zr);
        io._CubeTextureParser = Bd.Parse,
        y("BABYLON.CubeTexture", Bd);
        Pt.IncludesShadersStore.backgroundFragmentDeclaration = "uniform vec4 vEyePosition;\nuniform vec4 vPrimaryColor;\n#ifdef USEHIGHLIGHTANDSHADOWCOLORS\nuniform vec4 vPrimaryColorShadow;\n#endif\nuniform float shadowLevel;\nuniform float alpha;\n#ifdef DIFFUSE\nuniform vec2 vDiffuseInfos;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;\nuniform mat4 reflectionMatrix;\nuniform vec3 vReflectionMicrosurfaceInfos;\n#endif\n#if defined(REFLECTIONFRESNEL) || defined(OPACITYFRESNEL)\nuniform vec3 vBackgroundCenter;\n#endif\n#ifdef REFLECTIONFRESNEL\nuniform vec4 vReflectionControl;\n#endif\n#if defined(REFLECTIONMAP_SPHERICAL) || defined(REFLECTIONMAP_PROJECTION) || defined(REFRACTION)\nuniform mat4 view;\n#endif\n";
        Pt.IncludesShadersStore.backgroundUboDeclaration = "layout(std140,column_major) uniform;\nuniform Material\n{\nuniform vec4 vPrimaryColor;\nuniform vec4 vPrimaryColorShadow;\nuniform vec2 vDiffuseInfos;\nuniform vec2 vReflectionInfos;\nuniform mat4 diffuseMatrix;\nuniform mat4 reflectionMatrix;\nuniform vec3 vReflectionMicrosurfaceInfos;\nuniform float fFovMultiplier;\nuniform float pointSize;\nuniform float shadowLevel;\nuniform float alpha;\n#if defined(REFLECTIONFRESNEL) || defined(OPACITYFRESNEL)\nuniform vec3 vBackgroundCenter;\n#endif\n#ifdef REFLECTIONFRESNEL\nuniform vec4 vReflectionControl;\n#endif\n};\n#include<sceneUboDeclaration>\n";
        Pt.ShadersStore.backgroundPixelShader = "#ifdef TEXTURELODSUPPORT\n#extension GL_EXT_shader_texture_lod : enable\n#endif\nprecision highp float;\n#include<__decl__backgroundFragment>\n#include<helperFunctions>\n#define RECIPROCAL_PI2 0.15915494\nvarying vec3 vPositionW;\n#ifdef MAINUV1\nvarying vec2 vMainUV1;\n#endif \n#ifdef MAINUV2 \nvarying vec2 vMainUV2; \n#endif \n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#ifdef DIFFUSE\n#if DIFFUSEDIRECTUV==1\n#define vDiffuseUV vMainUV1\n#elif DIFFUSEDIRECTUV==2\n#define vDiffuseUV vMainUV2\n#else\nvarying vec2 vDiffuseUV;\n#endif\nuniform sampler2D diffuseSampler;\n#endif\n#ifdef REFLECTION\n#ifdef REFLECTIONMAP_3D\n#define sampleReflection(s,c) textureCube(s,c)\nuniform samplerCube reflectionSampler;\n#ifdef TEXTURELODSUPPORT\n#define sampleReflectionLod(s,c,l) textureCubeLodEXT(s,c,l)\n#else\nuniform samplerCube reflectionSamplerLow;\nuniform samplerCube reflectionSamplerHigh;\n#endif\n#else\n#define sampleReflection(s,c) texture2D(s,c)\nuniform sampler2D reflectionSampler;\n#ifdef TEXTURELODSUPPORT\n#define sampleReflectionLod(s,c,l) texture2DLodEXT(s,c,l)\n#else\nuniform samplerCube reflectionSamplerLow;\nuniform samplerCube reflectionSamplerHigh;\n#endif\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#else\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#endif\n#include<reflectionFunction>\n#endif\n#ifndef FROMLINEARSPACE\n#define FROMLINEARSPACE;\n#endif\n#ifndef SHADOWONLY\n#define SHADOWONLY;\n#endif\n#include<imageProcessingDeclaration>\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\n#include<lightsFragmentFunctions>\n#include<shadowsFragmentFunctions>\n#include<imageProcessingFunctions>\n#include<clipPlaneFragmentDeclaration>\n#include<fogFragmentDeclaration>\n#ifdef REFLECTIONFRESNEL\n#define FRESNEL_MAXIMUM_ON_ROUGH 0.25\nvec3 fresnelSchlickEnvironmentGGX(float VdotN,vec3 reflectance0,vec3 reflectance90,float smoothness)\n{\nfloat weight=mix(FRESNEL_MAXIMUM_ON_ROUGH,1.0,smoothness);\nreturn reflectance0+weight*(reflectance90-reflectance0)*pow5(saturate(1.0-VdotN));\n}\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\nvec3 viewDirectionW=normalize(vEyePosition.xyz-vPositionW);\n#ifdef NORMAL\nvec3 normalW=normalize(vNormalW);\n#else\nvec3 normalW=vec3(0.0,1.0,0.0);\n#endif\nfloat shadow=1.;\nfloat globalShadow=0.;\nfloat shadowLightCount=0.;\n#include<lightFragment>[0..maxSimultaneousLights]\n#ifdef SHADOWINUSE\nglobalShadow/=shadowLightCount;\n#else\nglobalShadow=1.0;\n#endif\n#ifndef BACKMAT_SHADOWONLY\nvec4 reflectionColor=vec4(1.,1.,1.,1.);\n#ifdef REFLECTION\nvec3 reflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),normalW);\n#ifdef REFLECTIONMAP_OPPOSITEZ\nreflectionVector.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\nvec3 reflectionCoords=reflectionVector;\n#else\nvec2 reflectionCoords=reflectionVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nreflectionCoords/=reflectionVector.z;\n#endif\nreflectionCoords.y=1.0-reflectionCoords.y;\n#endif\n#ifdef REFLECTIONBLUR\nfloat reflectionLOD=vReflectionInfos.y;\n#ifdef TEXTURELODSUPPORT\nreflectionLOD=reflectionLOD*log2(vReflectionMicrosurfaceInfos.x)*vReflectionMicrosurfaceInfos.y+vReflectionMicrosurfaceInfos.z;\nreflectionColor=sampleReflectionLod(reflectionSampler,reflectionCoords,reflectionLOD);\n#else\nfloat lodReflectionNormalized=saturate(reflectionLOD);\nfloat lodReflectionNormalizedDoubled=lodReflectionNormalized*2.0;\nvec4 reflectionSpecularMid=sampleReflection(reflectionSampler,reflectionCoords);\nif(lodReflectionNormalizedDoubled<1.0){\nreflectionColor=mix(\nsampleReflection(reflectionSamplerHigh,reflectionCoords),\nreflectionSpecularMid,\nlodReflectionNormalizedDoubled\n);\n} else {\nreflectionColor=mix(\nreflectionSpecularMid,\nsampleReflection(reflectionSamplerLow,reflectionCoords),\nlodReflectionNormalizedDoubled-1.0\n);\n}\n#endif\n#else\nvec4 reflectionSample=sampleReflection(reflectionSampler,reflectionCoords);\nreflectionColor=reflectionSample;\n#endif\n#ifdef RGBDREFLECTION\nreflectionColor.rgb=fromRGBD(reflectionColor);\n#endif\n#ifdef GAMMAREFLECTION\nreflectionColor.rgb=toLinearSpace(reflectionColor.rgb);\n#endif\n#ifdef REFLECTIONBGR\nreflectionColor.rgb=reflectionColor.bgr;\n#endif\nreflectionColor.rgb*=vReflectionInfos.x;\n#endif\nvec3 diffuseColor=vec3(1.,1.,1.);\nfloat finalAlpha=alpha;\n#ifdef DIFFUSE\nvec4 diffuseMap=texture2D(diffuseSampler,vDiffuseUV);\n#ifdef GAMMADIFFUSE\ndiffuseMap.rgb=toLinearSpace(diffuseMap.rgb);\n#endif\ndiffuseMap.rgb*=vDiffuseInfos.y;\n#ifdef DIFFUSEHASALPHA\nfinalAlpha*=diffuseMap.a;\n#endif\ndiffuseColor=diffuseMap.rgb;\n#endif\n#ifdef REFLECTIONFRESNEL\nvec3 colorBase=diffuseColor;\n#else\nvec3 colorBase=reflectionColor.rgb*diffuseColor;\n#endif\ncolorBase=max(colorBase,0.0);\n#ifdef USERGBCOLOR\nvec3 finalColor=colorBase;\n#else\n#ifdef USEHIGHLIGHTANDSHADOWCOLORS\nvec3 mainColor=mix(vPrimaryColorShadow.rgb,vPrimaryColor.rgb,colorBase);\n#else\nvec3 mainColor=vPrimaryColor.rgb;\n#endif\nvec3 finalColor=colorBase*mainColor;\n#endif\n#ifdef REFLECTIONFRESNEL\nvec3 reflectionAmount=vReflectionControl.xxx;\nvec3 reflectionReflectance0=vReflectionControl.yyy;\nvec3 reflectionReflectance90=vReflectionControl.zzz;\nfloat VdotN=dot(normalize(vEyePosition.xyz),normalW);\nvec3 planarReflectionFresnel=fresnelSchlickEnvironmentGGX(saturate(VdotN),reflectionReflectance0,reflectionReflectance90,1.0);\nreflectionAmount*=planarReflectionFresnel;\n#ifdef REFLECTIONFALLOFF\nfloat reflectionDistanceFalloff=1.0-saturate(length(vPositionW.xyz-vBackgroundCenter)*vReflectionControl.w);\nreflectionDistanceFalloff*=reflectionDistanceFalloff;\nreflectionAmount*=reflectionDistanceFalloff;\n#endif\nfinalColor=mix(finalColor,reflectionColor.rgb,saturate(reflectionAmount));\n#endif\n#ifdef OPACITYFRESNEL\nfloat viewAngleToFloor=dot(normalW,normalize(vEyePosition.xyz-vBackgroundCenter));\nconst float startAngle=0.1;\nfloat fadeFactor=saturate(viewAngleToFloor/startAngle);\nfinalAlpha*=fadeFactor*fadeFactor;\n#endif\n#ifdef SHADOWINUSE\nfinalColor=mix(finalColor*shadowLevel,finalColor,globalShadow);\n#endif\nvec4 color=vec4(finalColor,finalAlpha);\n#else\nvec4 color=vec4(vPrimaryColor.rgb,(1.0-clamp(globalShadow,0.,1.))*alpha);\n#endif\n#include<fogFragment>\n#ifdef IMAGEPROCESSINGPOSTPROCESS\n#if !defined(SKIPFINALCOLORCLAMP)\ncolor.rgb=clamp(color.rgb,0.,30.0);\n#endif\n#else\ncolor=applyImageProcessing(color);\n#endif\n#ifdef PREMULTIPLYALPHA\ncolor.rgb*=color.a;\n#endif\n#ifdef NOISE\ncolor.rgb+=dither(vPositionW.xy,0.5);\ncolor=max(color,0.0);\n#endif\ngl_FragColor=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";
        Pt.IncludesShadersStore.backgroundVertexDeclaration = "uniform mat4 view;\nuniform mat4 viewProjection;\nuniform float shadowLevel;\n#ifdef DIFFUSE\nuniform mat4 diffuseMatrix;\nuniform vec2 vDiffuseInfos;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;\nuniform mat4 reflectionMatrix;\nuniform vec3 vReflectionMicrosurfaceInfos;\nuniform float fFovMultiplier;\n#endif\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n";
        Pt.ShadersStore.backgroundVertexShader = "precision highp float;\n#include<__decl__backgroundVertex>\n#include<helperFunctions>\nattribute vec3 position;\n#ifdef NORMAL\nattribute vec3 normal;\n#endif\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<instancesDeclaration>\nvarying vec3 vPositionW;\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#ifdef MAINUV1\nvarying vec2 vMainUV1;\n#endif\n#ifdef MAINUV2\nvarying vec2 vMainUV2;\n#endif\n#if defined(DIFFUSE) && DIFFUSEDIRECTUV==0\nvarying vec2 vDiffuseUV;\n#endif\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#include<__decl__lightVxFragment>[0..maxSimultaneousLights]\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#endif\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\n#ifdef REFLECTIONMAP_SKYBOX\nvPositionUVW=position;\n#endif\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\n#ifdef MULTIVIEW\nif (gl_ViewID_OVR==0u) {\ngl_Position=viewProjection*finalWorld*vec4(position,1.0);\n} else {\ngl_Position=viewProjectionR*finalWorld*vec4(position,1.0);\n}\n#else\ngl_Position=viewProjection*finalWorld*vec4(position,1.0);\n#endif\nvec4 worldPos=finalWorld*vec4(position,1.0);\nvPositionW=vec3(worldPos);\n#ifdef NORMAL\nmat3 normalWorld=mat3(finalWorld);\n#ifdef NONUNIFORMSCALING\nnormalWorld=transposeMat3(inverseMat3(normalWorld));\n#endif\nvNormalW=normalize(normalWorld*normal);\n#endif\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvDirectionW=normalize(vec3(finalWorld*vec4(position,0.0)));\n#ifdef EQUIRECTANGULAR_RELFECTION_FOV\nmat3 screenToWorld=inverseMat3(mat3(finalWorld*viewProjection));\nvec3 segment=mix(vDirectionW,screenToWorld*vec3(0.0,0.0,1.0),abs(fFovMultiplier-1.0));\nif (fFovMultiplier<=1.0) {\nvDirectionW=normalize(segment);\n} else {\nvDirectionW=normalize(vDirectionW+(vDirectionW-segment));\n}\n#endif\n#endif\n#ifndef UV1\nvec2 uv=vec2(0.,0.);\n#endif\n#ifndef UV2\nvec2 uv2=vec2(0.,0.);\n#endif\n#ifdef MAINUV1\nvMainUV1=uv;\n#endif\n#ifdef MAINUV2\nvMainUV2=uv2;\n#endif\n#if defined(DIFFUSE) && DIFFUSEDIRECTUV==0\nif (vDiffuseInfos.x==0.)\n{\nvDiffuseUV=vec2(diffuseMatrix*vec4(uv,1.0,0.0));\n}\nelse\n{\nvDiffuseUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n}\n#endif\n#include<clipPlaneVertex>\n#include<fogVertex>\n#include<shadowsVertex>[0..maxSimultaneousLights]\n#ifdef VERTEXCOLOR\nvColor=color;\n#endif\n#if defined(POINTSIZE) && !defined(WEBGPU)\ngl_PointSize=pointSize;\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}\n";
        var Ud = function(e) {
            function t() {
                var t = e.call(this) || this;
                return t.DIFFUSE = !1,
                t.DIFFUSEDIRECTUV = 0,
                t.GAMMADIFFUSE = !1,
                t.DIFFUSEHASALPHA = !1,
                t.OPACITYFRESNEL = !1,
                t.REFLECTIONBLUR = !1,
                t.REFLECTIONFRESNEL = !1,
                t.REFLECTIONFALLOFF = !1,
                t.TEXTURELODSUPPORT = !1,
                t.PREMULTIPLYALPHA = !1,
                t.USERGBCOLOR = !1,
                t.USEHIGHLIGHTANDSHADOWCOLORS = !1,
                t.BACKMAT_SHADOWONLY = !1,
                t.NOISE = !1,
                t.REFLECTIONBGR = !1,
                t.IMAGEPROCESSING = !1,
                t.VIGNETTE = !1,
                t.VIGNETTEBLENDMODEMULTIPLY = !1,
                t.VIGNETTEBLENDMODEOPAQUE = !1,
                t.TONEMAPPING = !1,
                t.TONEMAPPING_ACES = !1,
                t.CONTRAST = !1,
                t.COLORCURVES = !1,
                t.COLORGRADING = !1,
                t.COLORGRADING3D = !1,
                t.SAMPLER3DGREENDEPTH = !1,
                t.SAMPLER3DBGRMAP = !1,
                t.IMAGEPROCESSINGPOSTPROCESS = !1,
                t.SKIPFINALCOLORCLAMP = !1,
                t.EXPOSURE = !1,
                t.MULTIVIEW = !1,
                t.REFLECTION = !1,
                t.REFLECTIONMAP_3D = !1,
                t.REFLECTIONMAP_SPHERICAL = !1,
                t.REFLECTIONMAP_PLANAR = !1,
                t.REFLECTIONMAP_CUBIC = !1,
                t.REFLECTIONMAP_PROJECTION = !1,
                t.REFLECTIONMAP_SKYBOX = !1,
                t.REFLECTIONMAP_EXPLICIT = !1,
                t.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                t.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                t.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                t.INVERTCUBICMAP = !1,
                t.REFLECTIONMAP_OPPOSITEZ = !1,
                t.LODINREFLECTIONALPHA = !1,
                t.GAMMAREFLECTION = !1,
                t.RGBDREFLECTION = !1,
                t.EQUIRECTANGULAR_RELFECTION_FOV = !1,
                t.MAINUV1 = !1,
                t.MAINUV2 = !1,
                t.UV1 = !1,
                t.UV2 = !1,
                t.CLIPPLANE = !1,
                t.CLIPPLANE2 = !1,
                t.CLIPPLANE3 = !1,
                t.CLIPPLANE4 = !1,
                t.CLIPPLANE5 = !1,
                t.CLIPPLANE6 = !1,
                t.POINTSIZE = !1,
                t.FOG = !1,
                t.NORMAL = !1,
                t.NUM_BONE_INFLUENCERS = 0,
                t.BonesPerMesh = 0,
                t.INSTANCES = !1,
                t.SHADOWFLOAT = !1,
                t.LOGARITHMICDEPTH = !1,
                t.NONUNIFORMSCALING = !1,
                t.ALPHATEST = !1,
                t.rebuild(),
                t
            }
            return U(t, e),
            t
        }(Si)
          , Vd = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.primaryColor = D.White(),
                n._primaryColorShadowLevel = 0,
                n._primaryColorHighlightLevel = 0,
                n.reflectionTexture = null,
                n.reflectionBlur = 0,
                n.diffuseTexture = null,
                n._shadowLights = null,
                n.shadowLights = null,
                n.shadowLevel = 0,
                n.sceneCenter = x.Zero(),
                n.opacityFresnel = !0,
                n.reflectionFresnel = !1,
                n.reflectionFalloffDistance = 0,
                n.reflectionAmount = 1,
                n.reflectionReflectance0 = .05,
                n.reflectionReflectance90 = .5,
                n.useRGBColor = !0,
                n.enableNoise = !1,
                n._fovMultiplier = 1,
                n.useEquirectangularFOV = !1,
                n._maxSimultaneousLights = 4,
                n.maxSimultaneousLights = 4,
                n._shadowOnly = !1,
                n.shadowOnly = !1,
                n._imageProcessingObserver = null,
                n.switchToBGR = !1,
                n._renderTargets = new bi(16),
                n._reflectionControls = R.Zero(),
                n._white = D.White(),
                n._primaryShadowColor = D.Black(),
                n._primaryHighlightColor = D.Black(),
                n._attachImageProcessingConfiguration(null),
                n.getRenderTargetTextures = function() {
                    return n._renderTargets.reset(),
                    n._diffuseTexture && n._diffuseTexture.isRenderTarget && n._renderTargets.push(n._diffuseTexture),
                    n._reflectionTexture && n._reflectionTexture.isRenderTarget && n._renderTargets.push(n._reflectionTexture),
                    n._renderTargets
                }
                ,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "_perceptualColor", {
                get: function() {
                    return this.__perceptualColor
                },
                set: function(e) {
                    this.__perceptualColor = e,
                    this._computePrimaryColorFromPerceptualColor(),
                    this._markAllSubMeshesAsLightsDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "primaryColorShadowLevel", {
                get: function() {
                    return this._primaryColorShadowLevel
                },
                set: function(e) {
                    this._primaryColorShadowLevel = e,
                    this._computePrimaryColors(),
                    this._markAllSubMeshesAsLightsDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "primaryColorHighlightLevel", {
                get: function() {
                    return this._primaryColorHighlightLevel
                },
                set: function(e) {
                    this._primaryColorHighlightLevel = e,
                    this._computePrimaryColors(),
                    this._markAllSubMeshesAsLightsDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reflectionStandardFresnelWeight", {
                set: function(e) {
                    var i = e;
                    i < .5 ? (i *= 2,
                    this.reflectionReflectance0 = t.StandardReflectance0 * i,
                    this.reflectionReflectance90 = t.StandardReflectance90 * i) : (i = 2 * i - 1,
                    this.reflectionReflectance0 = t.StandardReflectance0 + (1 - t.StandardReflectance0) * i,
                    this.reflectionReflectance90 = t.StandardReflectance90 + (1 - t.StandardReflectance90) * i)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fovMultiplier", {
                get: function() {
                    return this._fovMultiplier
                },
                set: function(e) {
                    isNaN(e) && (e = 1),
                    this._fovMultiplier = Math.max(0, Math.min(2, e))
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._attachImageProcessingConfiguration = function(e) {
                var t = this;
                e !== this._imageProcessingConfiguration && (this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingConfiguration = e || this.getScene().imageProcessingConfiguration,
                this._imageProcessingConfiguration && (this._imageProcessingObserver = this._imageProcessingConfiguration.onUpdateParameters.add((function() {
                    t._computePrimaryColorFromPerceptualColor(),
                    t._markAllSubMeshesAsImageProcessingDirty()
                }
                ))))
            }
            ,
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    this._attachImageProcessingConfiguration(e),
                    this._markAllSubMeshesAsTexturesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurvesEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurvesEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurvesEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorGradingEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraToneMappingEnabled", {
                get: function() {
                    return this._imageProcessingConfiguration.toneMappingEnabled
                },
                set: function(e) {
                    this._imageProcessingConfiguration.toneMappingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraExposure", {
                get: function() {
                    return this._imageProcessingConfiguration.exposure
                },
                set: function(e) {
                    this._imageProcessingConfiguration.exposure = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraContrast", {
                get: function() {
                    return this._imageProcessingConfiguration.contrast
                },
                set: function(e) {
                    this._imageProcessingConfiguration.contrast = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingTexture", {
                get: function() {
                    return this._imageProcessingConfiguration.colorGradingTexture
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurves", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurves
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurves = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasRenderTargetTextures", {
                get: function() {
                    return !(!this._diffuseTexture || !this._diffuseTexture.isRenderTarget) || !(!this._reflectionTexture || !this._reflectionTexture.isRenderTarget)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.needAlphaTesting = function() {
                return !0
            }
            ,
            t.prototype.needAlphaBlending = function() {
                return this.alpha < 1 || null != this._diffuseTexture && this._diffuseTexture.hasAlpha || this._shadowOnly
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                if (void 0 === i && (i = !1),
                t.effect && this.isFrozen && t.effect._wasPreviouslyReady)
                    return !0;
                t.materialDefines || (t.materialDefines = new Ud);
                var n = this.getScene()
                  , r = t.materialDefines;
                if (this._isReadyForSubMesh(t))
                    return !0;
                var o = n.getEngine();
                if (Mr.PrepareDefinesForLights(n, e, r, !1, this._maxSimultaneousLights),
                r._needNormals = !0,
                Mr.PrepareDefinesForMultiview(n, r),
                r._areTexturesDirty) {
                    if (r._needUVs = !1,
                    n.texturesEnabled) {
                        if (n.getEngine().getCaps().textureLOD && (r.TEXTURELODSUPPORT = !0),
                        this._diffuseTexture && vs.DiffuseTextureEnabled) {
                            if (!this._diffuseTexture.isReadyOrNotBlocking())
                                return !1;
                            Mr.PrepareDefinesForMergedUV(this._diffuseTexture, r, "DIFFUSE"),
                            r.DIFFUSEHASALPHA = this._diffuseTexture.hasAlpha,
                            r.GAMMADIFFUSE = this._diffuseTexture.gammaSpace,
                            r.OPACITYFRESNEL = this._opacityFresnel
                        } else
                            r.DIFFUSE = !1,
                            r.DIFFUSEHASALPHA = !1,
                            r.GAMMADIFFUSE = !1,
                            r.OPACITYFRESNEL = !1;
                        var s = this._reflectionTexture;
                        if (s && vs.ReflectionTextureEnabled) {
                            if (!s.isReadyOrNotBlocking())
                                return !1;
                            switch (r.REFLECTION = !0,
                            r.GAMMAREFLECTION = s.gammaSpace,
                            r.RGBDREFLECTION = s.isRGBD,
                            r.REFLECTIONBLUR = this._reflectionBlur > 0,
                            r.REFLECTIONMAP_OPPOSITEZ = this.getScene().useRightHandedSystem ? !s.invertZ : s.invertZ,
                            r.LODINREFLECTIONALPHA = s.lodLevelInAlpha,
                            r.EQUIRECTANGULAR_RELFECTION_FOV = this.useEquirectangularFOV,
                            r.REFLECTIONBGR = this.switchToBGR,
                            s.coordinatesMode === io.INVCUBIC_MODE && (r.INVERTCUBICMAP = !0),
                            r.REFLECTIONMAP_3D = s.isCube,
                            s.coordinatesMode) {
                            case io.EXPLICIT_MODE:
                                r.REFLECTIONMAP_EXPLICIT = !0;
                                break;
                            case io.PLANAR_MODE:
                                r.REFLECTIONMAP_PLANAR = !0;
                                break;
                            case io.PROJECTION_MODE:
                                r.REFLECTIONMAP_PROJECTION = !0;
                                break;
                            case io.SKYBOX_MODE:
                                r.REFLECTIONMAP_SKYBOX = !0;
                                break;
                            case io.SPHERICAL_MODE:
                                r.REFLECTIONMAP_SPHERICAL = !0;
                                break;
                            case io.EQUIRECTANGULAR_MODE:
                                r.REFLECTIONMAP_EQUIRECTANGULAR = !0;
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MODE:
                                r.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !0;
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MIRRORED_MODE:
                                r.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !0;
                                break;
                            case io.CUBIC_MODE:
                            case io.INVCUBIC_MODE:
                            default:
                                r.REFLECTIONMAP_CUBIC = !0
                            }
                            this.reflectionFresnel ? (r.REFLECTIONFRESNEL = !0,
                            r.REFLECTIONFALLOFF = this.reflectionFalloffDistance > 0,
                            this._reflectionControls.x = this.reflectionAmount,
                            this._reflectionControls.y = this.reflectionReflectance0,
                            this._reflectionControls.z = this.reflectionReflectance90,
                            this._reflectionControls.w = 1 / this.reflectionFalloffDistance) : (r.REFLECTIONFRESNEL = !1,
                            r.REFLECTIONFALLOFF = !1)
                        } else
                            r.REFLECTION = !1,
                            r.REFLECTIONFRESNEL = !1,
                            r.REFLECTIONFALLOFF = !1,
                            r.REFLECTIONBLUR = !1,
                            r.REFLECTIONMAP_3D = !1,
                            r.REFLECTIONMAP_SPHERICAL = !1,
                            r.REFLECTIONMAP_PLANAR = !1,
                            r.REFLECTIONMAP_CUBIC = !1,
                            r.REFLECTIONMAP_PROJECTION = !1,
                            r.REFLECTIONMAP_SKYBOX = !1,
                            r.REFLECTIONMAP_EXPLICIT = !1,
                            r.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                            r.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                            r.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                            r.INVERTCUBICMAP = !1,
                            r.REFLECTIONMAP_OPPOSITEZ = !1,
                            r.LODINREFLECTIONALPHA = !1,
                            r.GAMMAREFLECTION = !1,
                            r.RGBDREFLECTION = !1
                    }
                    r.PREMULTIPLYALPHA = this.alphaMode === a.ALPHA_PREMULTIPLIED || this.alphaMode === a.ALPHA_PREMULTIPLIED_PORTERDUFF,
                    r.USERGBCOLOR = this._useRGBColor,
                    r.NOISE = this._enableNoise
                }
                if (r._areLightsDirty && (r.USEHIGHLIGHTANDSHADOWCOLORS = !this._useRGBColor && (0 !== this._primaryColorShadowLevel || 0 !== this._primaryColorHighlightLevel),
                r.BACKMAT_SHADOWONLY = this._shadowOnly),
                r._areImageProcessingDirty && this._imageProcessingConfiguration) {
                    if (!this._imageProcessingConfiguration.isReady())
                        return !1;
                    this._imageProcessingConfiguration.prepareDefines(r)
                }
                if (Mr.PrepareDefinesForMisc(e, n, !1, this.pointsCloud, this.fogEnabled, this._shouldTurnAlphaTestOn(e), r),
                Mr.PrepareDefinesForFrameBoundValues(n, o, r, i, null, t.getRenderingMesh().hasThinInstances),
                Mr.PrepareDefinesForAttributes(e, r, !1, !0, !1) && e && (n.getEngine().getCaps().standardDerivatives || e.isVerticesDataPresent(Bi.NormalKind) || (e.createNormals(!0),
                K.Warn("BackgroundMaterial: Normals have been created for the mesh: " + e.name))),
                r.isDirty) {
                    r.markAsProcessed(),
                    n.resetCachedMaterial();
                    var l = new ys;
                    r.FOG && l.addFallback(0, "FOG"),
                    r.POINTSIZE && l.addFallback(1, "POINTSIZE"),
                    r.MULTIVIEW && l.addFallback(0, "MULTIVIEW"),
                    Mr.HandleFallbacksForShadows(r, l, this._maxSimultaneousLights);
                    var c = [Bi.PositionKind];
                    r.NORMAL && c.push(Bi.NormalKind),
                    r.UV1 && c.push(Bi.UVKind),
                    r.UV2 && c.push(Bi.UV2Kind),
                    Mr.PrepareAttributesForBones(c, e, r, l),
                    Mr.PrepareAttributesForInstances(c, r);
                    var u = ["world", "view", "viewProjection", "vEyePosition", "vLightsType", "vFogInfos", "vFogColor", "pointSize", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "mBones", "vPrimaryColor", "vPrimaryColorShadow", "vReflectionInfos", "reflectionMatrix", "vReflectionMicrosurfaceInfos", "fFovMultiplier", "shadowLevel", "alpha", "vBackgroundCenter", "vReflectionControl", "vDiffuseInfos", "diffuseMatrix"]
                      , h = ["diffuseSampler", "reflectionSampler", "reflectionSamplerLow", "reflectionSamplerHigh"]
                      , d = ["Material", "Scene"];
                    Ri && (Ri.PrepareUniforms(u, r),
                    Ri.PrepareSamplers(h, r)),
                    Mr.PrepareUniformsAndSamplersList({
                        uniformsNames: u,
                        uniformBuffersNames: d,
                        samplers: h,
                        defines: r,
                        maxSimultaneousLights: this._maxSimultaneousLights
                    });
                    var p = r.toString()
                      , f = n.getEngine().createEffect("background", {
                        attributes: c,
                        uniformsNames: u,
                        uniformBuffersNames: d,
                        samplers: h,
                        defines: p,
                        fallbacks: l,
                        onCompiled: this.onCompiled,
                        onError: this.onError,
                        indexParameters: {
                            maxSimultaneousLights: this._maxSimultaneousLights
                        }
                    }, o);
                    t.setEffect(f, r, this._materialContext),
                    this.buildUniformLayout()
                }
                return !(!t.effect || !t.effect.isReady() || (r._renderId = n.getRenderId(),
                t.effect._wasPreviouslyReady = !0,
                0))
            }
            ,
            t.prototype._computePrimaryColorFromPerceptualColor = function() {
                this.__perceptualColor && (this._primaryColor.copyFrom(this.__perceptualColor),
                this._primaryColor.toLinearSpaceToRef(this._primaryColor),
                this._imageProcessingConfiguration && this._primaryColor.scaleToRef(1 / this._imageProcessingConfiguration.exposure, this._primaryColor),
                this._computePrimaryColors())
            }
            ,
            t.prototype._computePrimaryColors = function() {
                0 === this._primaryColorShadowLevel && 0 === this._primaryColorHighlightLevel || (this._primaryColor.scaleToRef(this._primaryColorShadowLevel, this._primaryShadowColor),
                this._primaryColor.subtractToRef(this._primaryShadowColor, this._primaryShadowColor),
                this._white.subtractToRef(this._primaryColor, this._primaryHighlightColor),
                this._primaryHighlightColor.scaleToRef(this._primaryColorHighlightLevel, this._primaryHighlightColor),
                this._primaryColor.addToRef(this._primaryHighlightColor, this._primaryHighlightColor))
            }
            ,
            t.prototype.buildUniformLayout = function() {
                this._uniformBuffer.addUniform("vPrimaryColor", 4),
                this._uniformBuffer.addUniform("vPrimaryColorShadow", 4),
                this._uniformBuffer.addUniform("vDiffuseInfos", 2),
                this._uniformBuffer.addUniform("vReflectionInfos", 2),
                this._uniformBuffer.addUniform("diffuseMatrix", 16),
                this._uniformBuffer.addUniform("reflectionMatrix", 16),
                this._uniformBuffer.addUniform("vReflectionMicrosurfaceInfos", 3),
                this._uniformBuffer.addUniform("fFovMultiplier", 1),
                this._uniformBuffer.addUniform("pointSize", 1),
                this._uniformBuffer.addUniform("shadowLevel", 1),
                this._uniformBuffer.addUniform("alpha", 1),
                this._uniformBuffer.addUniform("vBackgroundCenter", 3),
                this._uniformBuffer.addUniform("vReflectionControl", 4),
                this._uniformBuffer.create()
            }
            ,
            t.prototype.unbind = function() {
                this._diffuseTexture && this._diffuseTexture.isRenderTarget && this._uniformBuffer.setTexture("diffuseSampler", null),
                this._reflectionTexture && this._reflectionTexture.isRenderTarget && this._uniformBuffer.setTexture("reflectionSampler", null),
                e.prototype.unbind.call(this)
            }
            ,
            t.prototype.bindOnlyWorldMatrix = function(e) {
                this._activeEffect.setMatrix("world", e)
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i) {
                var n = this.getScene()
                  , r = i.materialDefines;
                if (r) {
                    var o = i.effect;
                    if (o) {
                        this._activeEffect = o,
                        this.bindOnlyWorldMatrix(e),
                        Mr.BindBonesParameters(t, this._activeEffect);
                        var a = this._mustRebind(n, o, t.visibility);
                        if (a) {
                            this._uniformBuffer.bindToEffect(o, "Material"),
                            this.bindViewProjection(o);
                            var s = this._reflectionTexture;
                            this._uniformBuffer.useUbo && this.isFrozen && this._uniformBuffer.isSync || (n.texturesEnabled && (this._diffuseTexture && vs.DiffuseTextureEnabled && (this._uniformBuffer.updateFloat2("vDiffuseInfos", this._diffuseTexture.coordinatesIndex, this._diffuseTexture.level),
                            Mr.BindTextureMatrix(this._diffuseTexture, this._uniformBuffer, "diffuse")),
                            s && vs.ReflectionTextureEnabled && (this._uniformBuffer.updateMatrix("reflectionMatrix", s.getReflectionTextureMatrix()),
                            this._uniformBuffer.updateFloat2("vReflectionInfos", s.level, this._reflectionBlur),
                            this._uniformBuffer.updateFloat3("vReflectionMicrosurfaceInfos", s.getSize().width, s.lodGenerationScale, s.lodGenerationOffset))),
                            this.shadowLevel > 0 && this._uniformBuffer.updateFloat("shadowLevel", this.shadowLevel),
                            this._uniformBuffer.updateFloat("alpha", this.alpha),
                            this.pointsCloud && this._uniformBuffer.updateFloat("pointSize", this.pointSize),
                            r.USEHIGHLIGHTANDSHADOWCOLORS ? (this._uniformBuffer.updateColor4("vPrimaryColor", this._primaryHighlightColor, 1),
                            this._uniformBuffer.updateColor4("vPrimaryColorShadow", this._primaryShadowColor, 1)) : this._uniformBuffer.updateColor4("vPrimaryColor", this._primaryColor, 1)),
                            this._uniformBuffer.updateFloat("fFovMultiplier", this._fovMultiplier),
                            n.texturesEnabled && (this._diffuseTexture && vs.DiffuseTextureEnabled && this._uniformBuffer.setTexture("diffuseSampler", this._diffuseTexture),
                            s && vs.ReflectionTextureEnabled && (r.REFLECTIONBLUR && r.TEXTURELODSUPPORT ? this._uniformBuffer.setTexture("reflectionSampler", s) : r.REFLECTIONBLUR ? (this._uniformBuffer.setTexture("reflectionSampler", s._lodTextureMid || s),
                            this._uniformBuffer.setTexture("reflectionSamplerLow", s._lodTextureLow || s),
                            this._uniformBuffer.setTexture("reflectionSamplerHigh", s._lodTextureHigh || s)) : this._uniformBuffer.setTexture("reflectionSampler", s),
                            r.REFLECTIONFRESNEL && (this._uniformBuffer.updateFloat3("vBackgroundCenter", this.sceneCenter.x, this.sceneCenter.y, this.sceneCenter.z),
                            this._uniformBuffer.updateFloat4("vReflectionControl", this._reflectionControls.x, this._reflectionControls.y, this._reflectionControls.z, this._reflectionControls.w)))),
                            Mr.BindClipPlane(this._activeEffect, n),
                            n.bindEyePosition(o)
                        } else
                            n.getEngine()._features.needToAlwaysBindUniformBuffers && (this._uniformBuffer.bindToEffect(o, "Material"),
                            this._needToBindSceneUbo = !0);
                        !a && this.isFrozen || (n.lightsEnabled && Mr.BindLights(n, t, this._activeEffect, r, this._maxSimultaneousLights),
                        this.bindView(o),
                        Mr.BindFogParameters(n, t, this._activeEffect, !0),
                        this._imageProcessingConfiguration && this._imageProcessingConfiguration.bind(this._activeEffect)),
                        this._afterBind(t, this._activeEffect),
                        this._uniformBuffer.update()
                    }
                }
            }
            ,
            t.prototype.hasTexture = function(t) {
                return !!e.prototype.hasTexture.call(this, t) || this._reflectionTexture === t || this._diffuseTexture === t
            }
            ,
            t.prototype.dispose = function(t, i) {
                void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                i && (this.diffuseTexture && this.diffuseTexture.dispose(),
                this.reflectionTexture && this.reflectionTexture.dispose()),
                this._renderTargets.dispose(),
                this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                e.prototype.dispose.call(this, t)
            }
            ,
            t.prototype.clone = function(e) {
                var i = this;
                return Ge.Clone((function() {
                    return new t(e,i.getScene())
                }
                ), this)
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.customType = "BABYLON.BackgroundMaterial",
                e
            }
            ,
            t.prototype.getClassName = function() {
                return "BackgroundMaterial"
            }
            ,
            t.Parse = function(e, i, n) {
                return Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n)
            }
            ,
            t.StandardReflectance0 = .05,
            t.StandardReflectance90 = .5,
            k([Me()], t.prototype, "_primaryColor", void 0),
            k([Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "primaryColor", void 0),
            k([Me()], t.prototype, "__perceptualColor", void 0),
            k([Ce()], t.prototype, "_primaryColorShadowLevel", void 0),
            k([Ce()], t.prototype, "_primaryColorHighlightLevel", void 0),
            k([Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "primaryColorHighlightLevel", null),
            k([Pe()], t.prototype, "_reflectionTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionTexture", void 0),
            k([Ce()], t.prototype, "_reflectionBlur", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionBlur", void 0),
            k([Pe()], t.prototype, "_diffuseTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "diffuseTexture", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "shadowLights", void 0),
            k([Ce()], t.prototype, "_shadowLevel", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "shadowLevel", void 0),
            k([De()], t.prototype, "_sceneCenter", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "sceneCenter", void 0),
            k([Ce()], t.prototype, "_opacityFresnel", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "opacityFresnel", void 0),
            k([Ce()], t.prototype, "_reflectionFresnel", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionFresnel", void 0),
            k([Ce()], t.prototype, "_reflectionFalloffDistance", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionFalloffDistance", void 0),
            k([Ce()], t.prototype, "_reflectionAmount", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionAmount", void 0),
            k([Ce()], t.prototype, "_reflectionReflectance0", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionReflectance0", void 0),
            k([Ce()], t.prototype, "_reflectionReflectance90", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionReflectance90", void 0),
            k([Ce()], t.prototype, "_useRGBColor", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRGBColor", void 0),
            k([Ce()], t.prototype, "_enableNoise", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "enableNoise", void 0),
            k([Ce()], t.prototype, "_maxSimultaneousLights", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "maxSimultaneousLights", void 0),
            k([Ce()], t.prototype, "_shadowOnly", void 0),
            k([Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "shadowOnly", void 0),
            k([we()], t.prototype, "_imageProcessingConfiguration", void 0),
            t
        }(gs);
        y("BABYLON.BackgroundMaterial", Vd);
        var kd = function() {
            function e(t, i) {
                var n = this;
                this._errorHandler = function(e, t) {
                    n.onErrorObservable.notifyObservers({
                        message: e,
                        exception: t
                    })
                }
                ,
                this._options = V(V({}, e._GetDefaultOptions()), t),
                this._scene = i,
                this.onErrorObservable = new h,
                this._setupBackground(),
                this._setupImageProcessing()
            }
            return e._GetDefaultOptions = function() {
                return {
                    createGround: !0,
                    groundSize: 15,
                    groundTexture: this._GroundTextureCDNUrl,
                    groundColor: new D(.2,.2,.3).toLinearSpace().scale(3),
                    groundOpacity: .9,
                    enableGroundShadow: !0,
                    groundShadowLevel: .5,
                    enableGroundMirror: !1,
                    groundMirrorSizeRatio: .3,
                    groundMirrorBlurKernel: 64,
                    groundMirrorAmount: 1,
                    groundMirrorFresnelWeight: 1,
                    groundMirrorFallOffDistance: 0,
                    groundMirrorTextureType: a.TEXTURETYPE_UNSIGNED_INT,
                    groundYBias: 1e-5,
                    createSkybox: !0,
                    skyboxSize: 20,
                    skyboxTexture: this._SkyboxTextureCDNUrl,
                    skyboxColor: new D(.2,.2,.3).toLinearSpace().scale(3),
                    backgroundYRotation: 0,
                    sizeAuto: !0,
                    rootPosition: x.Zero(),
                    setupImageProcessing: !0,
                    environmentTexture: this._EnvironmentTextureCDNUrl,
                    cameraExposure: .8,
                    cameraContrast: 1.2,
                    toneMappingEnabled: !0
                }
            }
            ,
            Object.defineProperty(e.prototype, "rootMesh", {
                get: function() {
                    return this._rootMesh
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "skybox", {
                get: function() {
                    return this._skybox
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "skyboxTexture", {
                get: function() {
                    return this._skyboxTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "skyboxMaterial", {
                get: function() {
                    return this._skyboxMaterial
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ground", {
                get: function() {
                    return this._ground
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "groundTexture", {
                get: function() {
                    return this._groundTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "groundMirror", {
                get: function() {
                    return this._groundMirror
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "groundMirrorRenderList", {
                get: function() {
                    return this._groundMirror ? this._groundMirror.renderList : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "groundMaterial", {
                get: function() {
                    return this._groundMaterial
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.updateOptions = function(e) {
                var t = V(V({}, this._options), e);
                this._ground && !t.createGround && (this._ground.dispose(),
                this._ground = null),
                this._groundMaterial && !t.createGround && (this._groundMaterial.dispose(),
                this._groundMaterial = null),
                this._groundTexture && this._options.groundTexture != t.groundTexture && (this._groundTexture.dispose(),
                this._groundTexture = null),
                this._skybox && !t.createSkybox && (this._skybox.dispose(),
                this._skybox = null),
                this._skyboxMaterial && !t.createSkybox && (this._skyboxMaterial.dispose(),
                this._skyboxMaterial = null),
                this._skyboxTexture && this._options.skyboxTexture != t.skyboxTexture && (this._skyboxTexture.dispose(),
                this._skyboxTexture = null),
                this._groundMirror && !t.enableGroundMirror && (this._groundMirror.dispose(),
                this._groundMirror = null),
                this._scene.environmentTexture && this._options.environmentTexture != t.environmentTexture && this._scene.environmentTexture.dispose(),
                this._options = t,
                this._setupBackground(),
                this._setupImageProcessing()
            }
            ,
            e.prototype.setMainColor = function(e) {
                this.groundMaterial && (this.groundMaterial.primaryColor = e),
                this.skyboxMaterial && (this.skyboxMaterial.primaryColor = e),
                this.groundMirror && (this.groundMirror.clearColor = new N(e.r,e.g,e.b,1))
            }
            ,
            e.prototype._setupImageProcessing = function() {
                this._options.setupImageProcessing && (this._scene.imageProcessingConfiguration.contrast = this._options.cameraContrast,
                this._scene.imageProcessingConfiguration.exposure = this._options.cameraExposure,
                this._scene.imageProcessingConfiguration.toneMappingEnabled = this._options.toneMappingEnabled,
                this._setupEnvironmentTexture())
            }
            ,
            e.prototype._setupEnvironmentTexture = function() {
                if (!this._scene.environmentTexture)
                    if (this._options.environmentTexture instanceof Zr)
                        this._scene.environmentTexture = this._options.environmentTexture;
                    else {
                        var e = Bd.CreateFromPrefilteredData(this._options.environmentTexture, this._scene);
                        this._scene.environmentTexture = e
                    }
            }
            ,
            e.prototype._setupBackground = function() {
                this._rootMesh || (this._rootMesh = new Vr("BackgroundHelper",this._scene)),
                this._rootMesh.rotation.y = this._options.backgroundYRotation;
                var e = this._getSceneSize();
                this._options.createGround && (this._setupGround(e),
                this._setupGroundMaterial(),
                this._setupGroundDiffuseTexture(),
                this._options.enableGroundMirror && this._setupGroundMirrorTexture(e),
                this._setupMirrorInGroundMaterial()),
                this._options.createSkybox && (this._setupSkybox(e),
                this._setupSkyboxMaterial(),
                this._setupSkyboxReflectionTexture()),
                this._rootMesh.position.x = e.rootPosition.x,
                this._rootMesh.position.z = e.rootPosition.z,
                this._rootMesh.position.y = e.rootPosition.y
            }
            ,
            e.prototype._getSceneSize = function() {
                var e = this
                  , t = this._options.groundSize
                  , i = this._options.skyboxSize
                  , n = this._options.rootPosition;
                if (!this._scene.meshes || 1 === this._scene.meshes.length)
                    return {
                        groundSize: t,
                        skyboxSize: i,
                        rootPosition: n
                    };
                var r = this._scene.getWorldExtends((function(t) {
                    return t !== e._ground && t !== e._rootMesh && t !== e._skybox
                }
                ))
                  , o = r.max.subtract(r.min);
                if (this._options.sizeAuto) {
                    this._scene.activeCamera instanceof _a && this._scene.activeCamera.upperRadiusLimit && (i = t = 2 * this._scene.activeCamera.upperRadiusLimit);
                    var a = o.length();
                    a > t && (i = t = 2 * a),
                    t *= 1.1,
                    i *= 1.5,
                    (n = r.min.add(o.scale(.5))).y = r.min.y - this._options.groundYBias
                }
                return {
                    groundSize: t,
                    skyboxSize: i,
                    rootPosition: n
                }
            }
            ,
            e.prototype._setupGround = function(e) {
                var t = this;
                this._ground && !this._ground.isDisposed() || (this._ground = vo("BackgroundPlane", {
                    size: e.groundSize
                }, this._scene),
                this._ground.rotation.x = Math.PI / 2,
                this._ground.parent = this._rootMesh,
                this._ground.onDisposeObservable.add((function() {
                    t._ground = null
                }
                ))),
                this._ground.receiveShadows = this._options.enableGroundShadow
            }
            ,
            e.prototype._setupGroundMaterial = function() {
                this._groundMaterial || (this._groundMaterial = new Vd("BackgroundPlaneMaterial",this._scene)),
                this._groundMaterial.alpha = this._options.groundOpacity,
                this._groundMaterial.alphaMode = a.ALPHA_PREMULTIPLIED_PORTERDUFF,
                this._groundMaterial.shadowLevel = this._options.groundShadowLevel,
                this._groundMaterial.primaryColor = this._options.groundColor,
                this._groundMaterial.useRGBColor = !1,
                this._groundMaterial.enableNoise = !0,
                this._ground && (this._ground.material = this._groundMaterial)
            }
            ,
            e.prototype._setupGroundDiffuseTexture = function() {
                this._groundMaterial && (this._groundTexture || (this._options.groundTexture instanceof Zr ? this._groundMaterial.diffuseTexture = this._options.groundTexture : (this._groundTexture = new io(this._options.groundTexture,this._scene,void 0,void 0,void 0,void 0,this._errorHandler),
                this._groundTexture.gammaSpace = !1,
                this._groundTexture.hasAlpha = !0,
                this._groundMaterial.diffuseTexture = this._groundTexture)))
            }
            ,
            e.prototype._setupGroundMirrorTexture = function(e) {
                var t = io.CLAMP_ADDRESSMODE;
                if (!this._groundMirror && (this._groundMirror = new wd("BackgroundPlaneMirrorTexture",{
                    ratio: this._options.groundMirrorSizeRatio
                },this._scene,!1,this._options.groundMirrorTextureType,io.BILINEAR_SAMPLINGMODE,!0),
                this._groundMirror.mirrorPlane = new hn(0,-1,0,e.rootPosition.y),
                this._groundMirror.anisotropicFilteringLevel = 1,
                this._groundMirror.wrapU = t,
                this._groundMirror.wrapV = t,
                this._groundMirror.renderList))
                    for (var i = 0; i < this._scene.meshes.length; i++) {
                        var n = this._scene.meshes[i];
                        n !== this._ground && n !== this._skybox && n !== this._rootMesh && this._groundMirror.renderList.push(n)
                    }
                var r = this._options.groundColor.toGammaSpace();
                this._groundMirror.clearColor = new N(r.r,r.g,r.b,1),
                this._groundMirror.adaptiveBlurKernel = this._options.groundMirrorBlurKernel
            }
            ,
            e.prototype._setupMirrorInGroundMaterial = function() {
                this._groundMaterial && (this._groundMaterial.reflectionTexture = this._groundMirror,
                this._groundMaterial.reflectionFresnel = !0,
                this._groundMaterial.reflectionAmount = this._options.groundMirrorAmount,
                this._groundMaterial.reflectionStandardFresnelWeight = this._options.groundMirrorFresnelWeight,
                this._groundMaterial.reflectionFalloffDistance = this._options.groundMirrorFallOffDistance)
            }
            ,
            e.prototype._setupSkybox = function(e) {
                var t = this;
                this._skybox && !this._skybox.isDisposed() || (this._skybox = Ml("BackgroundSkybox", {
                    size: e.skyboxSize,
                    sideOrientation: Vr.BACKSIDE
                }, this._scene),
                this._skybox.onDisposeObservable.add((function() {
                    t._skybox = null
                }
                ))),
                this._skybox.parent = this._rootMesh
            }
            ,
            e.prototype._setupSkyboxMaterial = function() {
                this._skybox && (this._skyboxMaterial || (this._skyboxMaterial = new Vd("BackgroundSkyboxMaterial",this._scene)),
                this._skyboxMaterial.useRGBColor = !1,
                this._skyboxMaterial.primaryColor = this._options.skyboxColor,
                this._skyboxMaterial.enableNoise = !0,
                this._skybox.material = this._skyboxMaterial)
            }
            ,
            e.prototype._setupSkyboxReflectionTexture = function() {
                this._skyboxMaterial && (this._skyboxTexture || (this._options.skyboxTexture instanceof Zr ? this._skyboxMaterial.reflectionTexture = this._options.skyboxTexture : (this._skyboxTexture = new Bd(this._options.skyboxTexture,this._scene,void 0,void 0,void 0,void 0,this._errorHandler),
                this._skyboxTexture.coordinatesMode = io.SKYBOX_MODE,
                this._skyboxTexture.gammaSpace = !1,
                this._skyboxMaterial.reflectionTexture = this._skyboxTexture)))
            }
            ,
            e.prototype.dispose = function() {
                this._groundMaterial && this._groundMaterial.dispose(!0, !0),
                this._skyboxMaterial && this._skyboxMaterial.dispose(!0, !0),
                this._rootMesh.dispose(!1)
            }
            ,
            e._GroundTextureCDNUrl = "https://assets.babylonjs.com/environments/backgroundGround.png",
            e._SkyboxTextureCDNUrl = "https://assets.babylonjs.com/environments/backgroundSkybox.dds",
            e._EnvironmentTextureCDNUrl = "https://assets.babylonjs.com/environments/environmentSpecular.env",
            e
        }()
          , Gd = function(e) {
            function t(i, n, r, o, a) {
                void 0 === a && (a = null);
                var s = e.call(this, i, o) || this;
                s.onError = a,
                s._halfDome = !1,
                s._crossEye = !1,
                s._useDirectMapping = !1,
                s._textureMode = t.MODE_MONOSCOPIC,
                s._onBeforeCameraRenderObserver = null,
                s.onLoadErrorObservable = new h,
                s.onLoadObservable = new h,
                o = s.getScene(),
                i = i || "textureDome",
                r.resolution = 0 | Math.abs(r.resolution) || 32,
                r.clickToPlay = Boolean(r.clickToPlay),
                r.autoPlay = void 0 === r.autoPlay || Boolean(r.autoPlay),
                r.loop = void 0 === r.loop || Boolean(r.loop),
                r.size = Math.abs(r.size) || (o.activeCamera ? .48 * o.activeCamera.maxZ : 1e3),
                void 0 === r.useDirectMapping ? s._useDirectMapping = !0 : s._useDirectMapping = r.useDirectMapping,
                void 0 === r.faceForward && (r.faceForward = !0),
                s._setReady(!1),
                r.mesh ? s._mesh = r.mesh : s._mesh = Dl(i + "_mesh", {
                    segments: r.resolution,
                    diameter: r.size,
                    updatable: !1,
                    sideOrientation: Vr.BACKSIDE
                }, o);
                var l = s._material = new Vd(i + "_material",o);
                l.useEquirectangularFOV = !0,
                l.fovMultiplier = 1,
                l.opacityFresnel = !1;
                var c = s._initTexture(n, o, r);
                if (s.texture = c,
                s._mesh.material = l,
                s._mesh.parent = s,
                s._halfDomeMask = Dl("", {
                    slice: .5,
                    diameter: .98 * r.size,
                    segments: 2 * r.resolution,
                    sideOrientation: Vr.BACKSIDE
                }, o),
                s._halfDomeMask.rotate(vn.X, -Math.PI / 2),
                s._halfDomeMask.parent = s._mesh,
                s._halfDome = !!r.halfDomeMode,
                s._halfDomeMask.setEnabled(s._halfDome),
                s._crossEye = !!r.crossEyeMode,
                s._texture.anisotropicFilteringLevel = 1,
                s._texture.onLoadObservable.addOnce((function() {
                    s._setReady(!0)
                }
                )),
                r.faceForward && o.activeCamera) {
                    var u = o.activeCamera
                      , d = x.Forward()
                      , p = x.TransformNormal(d, u.getViewMatrix());
                    p.normalize(),
                    s.rotation.y = Math.acos(x.Dot(d, p))
                }
                return s._changeTextureMode(s._textureMode),
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "texture", {
                get: function() {
                    return this._texture
                },
                set: function(e) {
                    this._texture !== e && (this._texture = e,
                    this._useDirectMapping ? (this._texture.wrapU = io.CLAMP_ADDRESSMODE,
                    this._texture.wrapV = io.CLAMP_ADDRESSMODE,
                    this._material.diffuseTexture = this._texture) : (this._texture.coordinatesMode = io.FIXED_EQUIRECTANGULAR_MIRRORED_MODE,
                    this._texture.wrapV = io.CLAMP_ADDRESSMODE,
                    this._material.reflectionTexture = this._texture),
                    this._changeTextureMode(this._textureMode))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "mesh", {
                get: function() {
                    return this._mesh
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fovMultiplier", {
                get: function() {
                    return this._material.fovMultiplier
                },
                set: function(e) {
                    this._material.fovMultiplier = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "textureMode", {
                get: function() {
                    return this._textureMode
                },
                set: function(e) {
                    this._textureMode !== e && this._changeTextureMode(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "halfDome", {
                get: function() {
                    return this._halfDome
                },
                set: function(e) {
                    this._halfDome = e,
                    this._halfDomeMask.setEnabled(e),
                    this._changeTextureMode(this._textureMode)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "crossEye", {
                get: function() {
                    return this._crossEye
                },
                set: function(e) {
                    this._crossEye = e,
                    this._changeTextureMode(this._textureMode)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "material", {
                get: function() {
                    return this._material
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._changeTextureMode = function(e) {
                var i = this;
                switch (this._scene.onBeforeCameraRenderObservable.remove(this._onBeforeCameraRenderObserver),
                this._textureMode = e,
                this._texture.uScale = 1,
                this._texture.vScale = 1,
                this._texture.uOffset = 0,
                this._texture.vOffset = 0,
                this._texture.vAng = 0,
                e) {
                case t.MODE_MONOSCOPIC:
                    this._halfDome && (this._texture.uScale = 2,
                    this._texture.uOffset = -1);
                    break;
                case t.MODE_SIDEBYSIDE:
                    this._texture.uScale = this._halfDome ? .99999 : .5;
                    var n = this._halfDome ? 0 : .5
                      , r = this._halfDome ? -.5 : 0;
                    this._onBeforeCameraRenderObserver = this._scene.onBeforeCameraRenderObservable.add((function(e) {
                        var t = e.isRightCamera;
                        i._crossEye && (t = !t),
                        i._texture.uOffset = t ? n : r
                    }
                    ));
                    break;
                case t.MODE_TOPBOTTOM:
                    this._texture.vScale = this._halfDome ? .99999 : .5,
                    this._onBeforeCameraRenderObserver = this._scene.onBeforeCameraRenderObservable.add((function(e) {
                        var t = e.isRightCamera;
                        i._crossEye && (t = !t),
                        i._texture.vOffset = t ? .5 : 0
                    }
                    ))
                }
            }
            ,
            t.prototype.dispose = function(t, i) {
                void 0 === i && (i = !1),
                this._texture.dispose(),
                this._mesh.dispose(),
                this._material.dispose(),
                this._scene.onBeforeCameraRenderObservable.remove(this._onBeforeCameraRenderObserver),
                this.onLoadErrorObservable.clear(),
                this.onLoadObservable.clear(),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.MODE_MONOSCOPIC = 0,
            t.MODE_TOPBOTTOM = 1,
            t.MODE_SIDEBYSIDE = 2,
            t
        }(yr)
          , zd = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "photoTexture", {
                get: function() {
                    return this.texture
                },
                set: function(e) {
                    this.texture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "imageMode", {
                get: function() {
                    return this.textureMode
                },
                set: function(e) {
                    this.textureMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._initTexture = function(e, t, i) {
                var n = this;
                return new io(e,t,!i.generateMipMaps,!this._useDirectMapping,void 0,(function() {
                    n.onLoadObservable.notifyObservers()
                }
                ),(function(e, t) {
                    n.onLoadErrorObservable.notifyObservers(e || "Unknown error occured"),
                    n.onError && n.onError(e, t)
                }
                ))
            }
            ,
            t.MODE_MONOSCOPIC = Gd.MODE_MONOSCOPIC,
            t.MODE_TOPBOTTOM = Gd.MODE_TOPBOTTOM,
            t.MODE_SIDEBYSIDE = Gd.MODE_SIDEBYSIDE,
            t
        }(Gd)
          , Wd = 0
          , Hd = function(e) {
            if (!e.environmentBRDFTexture) {
                var t = e.useDelayedTextureLoading;
                e.useDelayedTextureLoading = !1;
                var i = e._blockEntityCollection;
                e._blockEntityCollection = !1;
                var n = io.CreateFromBase64String("data:image/png;base64, ", "EnvironmentBRDFTexture" + Wd++, e, !0, !1, io.BILINEAR_SAMPLINGMODE);
                e._blockEntityCollection = i;
                var r = e.getEngine().getLoadedTexturesCache()
                  , o = r.indexOf(n.getInternalTexture());
                -1 !== o && r.splice(o, 1),
                n.isRGBD = !0,
                n.wrapU = io.CLAMP_ADDRESSMODE,
                n.wrapV = io.CLAMP_ADDRESSMODE,
                e.environmentBRDFTexture = n,
                e.useDelayedTextureLoading = t,
                Lc.ExpandRGBDTexture(n);
                var a = e.getEngine().onContextRestoredObservable.add((function() {
                    n.isRGBD = !0;
                    var e = function() {
                        n.isReady() ? Lc.ExpandRGBDTexture(n) : gi.SetImmediate(e)
                    };
                    e()
                }
                ));
                e.onDisposeObservable.add((function() {
                    e.getEngine().onContextRestoredObservable.remove(a)
                }
                ))
            }
            return e.environmentBRDFTexture
        }
          , Xd = {
            GetEnvironmentBRDFTexture: Hd
        }
          , jd = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.BRDF_V_HEIGHT_CORRELATED = !1,
                t.MS_BRDF_ENERGY_CONSERVATION = !1,
                t.SPHERICAL_HARMONICS = !1,
                t.SPECULAR_GLOSSINESS_ENERGY_CONSERVATION = !1,
                t
            }
            return U(t, e),
            t
        }(Si)
          , Yd = function(e) {
            function t(i, n) {
                void 0 === n && (n = !0);
                var r = e.call(this, i, "PBRBRDF", 90, new jd, n) || this;
                return r._useEnergyConservation = t.DEFAULT_USE_ENERGY_CONSERVATION,
                r.useEnergyConservation = t.DEFAULT_USE_ENERGY_CONSERVATION,
                r._useSmithVisibilityHeightCorrelated = t.DEFAULT_USE_SMITH_VISIBILITY_HEIGHT_CORRELATED,
                r.useSmithVisibilityHeightCorrelated = t.DEFAULT_USE_SMITH_VISIBILITY_HEIGHT_CORRELATED,
                r._useSphericalHarmonics = t.DEFAULT_USE_SPHERICAL_HARMONICS,
                r.useSphericalHarmonics = t.DEFAULT_USE_SPHERICAL_HARMONICS,
                r._useSpecularGlossinessInputEnergyConservation = t.DEFAULT_USE_SPECULAR_GLOSSINESS_INPUT_ENERGY_CONSERVATION,
                r.useSpecularGlossinessInputEnergyConservation = t.DEFAULT_USE_SPECULAR_GLOSSINESS_INPUT_ENERGY_CONSERVATION,
                r._internalMarkAllSubMeshesAsMiscDirty = i._dirtyCallbacks[a.MATERIAL_MiscDirtyFlag],
                r._enable(!0),
                r
            }
            return U(t, e),
            t.prototype._markAllSubMeshesAsMiscDirty = function() {
                this._internalMarkAllSubMeshesAsMiscDirty()
            }
            ,
            t.prototype.prepareDefines = function(e) {
                e.BRDF_V_HEIGHT_CORRELATED = this._useSmithVisibilityHeightCorrelated,
                e.MS_BRDF_ENERGY_CONSERVATION = this._useEnergyConservation && this._useSmithVisibilityHeightCorrelated,
                e.SPHERICAL_HARMONICS = this._useSphericalHarmonics,
                e.SPECULAR_GLOSSINESS_ENERGY_CONSERVATION = this._useSpecularGlossinessInputEnergyConservation
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRBRDFConfiguration"
            }
            ,
            t.DEFAULT_USE_ENERGY_CONSERVATION = !0,
            t.DEFAULT_USE_SMITH_VISIBILITY_HEIGHT_CORRELATED = !0,
            t.DEFAULT_USE_SPHERICAL_HARMONICS = !0,
            t.DEFAULT_USE_SPECULAR_GLOSSINESS_INPUT_ENERGY_CONSERVATION = !0,
            k([Ce(), Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "useEnergyConservation", void 0),
            k([Ce(), Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "useSmithVisibilityHeightCorrelated", void 0),
            k([Ce(), Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "useSphericalHarmonics", void 0),
            k([Ce(), Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "useSpecularGlossinessInputEnergyConservation", void 0),
            t
        }(Rs);
        Pt.IncludesShadersStore.pbrFragmentDeclaration = "uniform vec4 vEyePosition;\nuniform vec3 vReflectionColor;\nuniform vec4 vAlbedoColor;\nuniform vec4 vLightingIntensity;\nuniform vec4 vReflectivityColor;\nuniform vec4 vMetallicReflectanceFactors;\nuniform vec3 vEmissiveColor;\nuniform float visibility;\nuniform vec3 vAmbientColor;\n#ifdef ALBEDO\nuniform vec2 vAlbedoInfos;\n#endif\n#ifdef AMBIENT\nuniform vec4 vAmbientInfos;\n#endif\n#ifdef BUMP\nuniform vec3 vBumpInfos;\nuniform vec2 vTangentSpaceParams;\n#endif\n#ifdef OPACITY\nuniform vec2 vOpacityInfos;\n#endif\n#ifdef EMISSIVE\nuniform vec2 vEmissiveInfos;\n#endif\n#ifdef LIGHTMAP\nuniform vec2 vLightmapInfos;\n#endif\n#ifdef REFLECTIVITY\nuniform vec3 vReflectivityInfos;\n#endif\n#ifdef MICROSURFACEMAP\nuniform vec2 vMicroSurfaceSamplerInfos;\n#endif\n#if defined(REFLECTIONMAP_SPHERICAL) || defined(REFLECTIONMAP_PROJECTION) || defined(SS_REFRACTION) || defined(PREPASS)\nuniform mat4 view;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;\n#ifdef REALTIME_FILTERING\nuniform vec2 vReflectionFilteringInfo;\n#endif\nuniform mat4 reflectionMatrix;\nuniform vec3 vReflectionMicrosurfaceInfos;\n#if defined(USE_LOCAL_REFLECTIONMAP_CUBIC) && defined(REFLECTIONMAP_CUBIC)\nuniform vec3 vReflectionPosition;\nuniform vec3 vReflectionSize; \n#endif\n#endif\n#if defined(SS_REFRACTION) && defined(SS_USE_LOCAL_REFRACTIONMAP_CUBIC)\nuniform vec3 vRefractionPosition;\nuniform vec3 vRefractionSize; \n#endif\n#ifdef CLEARCOAT\nuniform vec2 vClearCoatParams;\nuniform vec4 vClearCoatRefractionParams;\n#if defined(CLEARCOAT_TEXTURE) || defined(CLEARCOAT_TEXTURE_ROUGHNESS)\nuniform vec4 vClearCoatInfos;\n#endif\n#ifdef CLEARCOAT_TEXTURE\nuniform mat4 clearCoatMatrix;\n#endif\n#ifdef CLEARCOAT_TEXTURE_ROUGHNESS\nuniform mat4 clearCoatRoughnessMatrix;\n#endif\n#ifdef CLEARCOAT_BUMP\nuniform vec2 vClearCoatBumpInfos;\nuniform vec2 vClearCoatTangentSpaceParams;\nuniform mat4 clearCoatBumpMatrix;\n#endif\n#ifdef CLEARCOAT_TINT\nuniform vec4 vClearCoatTintParams;\nuniform float clearCoatColorAtDistance;\n#ifdef CLEARCOAT_TINT_TEXTURE\nuniform vec2 vClearCoatTintInfos;\nuniform mat4 clearCoatTintMatrix;\n#endif\n#endif\n#endif\n#ifdef ANISOTROPIC\nuniform vec3 vAnisotropy;\n#ifdef ANISOTROPIC_TEXTURE\nuniform vec2 vAnisotropyInfos;\nuniform mat4 anisotropyMatrix;\n#endif\n#endif\n#ifdef SHEEN\nuniform vec4 vSheenColor;\n#ifdef SHEEN_ROUGHNESS\nuniform float vSheenRoughness;\n#endif\n#if defined(SHEEN_TEXTURE) || defined(SHEEN_TEXTURE_ROUGHNESS)\nuniform vec4 vSheenInfos;\n#endif\n#ifdef SHEEN_TEXTURE\nuniform mat4 sheenMatrix;\n#endif\n#ifdef SHEEN_TEXTURE_ROUGHNESS\nuniform mat4 sheenRoughnessMatrix;\n#endif\n#endif\n#ifdef SUBSURFACE\n#ifdef SS_REFRACTION\nuniform vec4 vRefractionMicrosurfaceInfos;\nuniform vec4 vRefractionInfos;\nuniform mat4 refractionMatrix;\n#ifdef REALTIME_FILTERING\nuniform vec2 vRefractionFilteringInfo;\n#endif\n#endif\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nuniform vec2 vThicknessInfos;\nuniform mat4 thicknessMatrix;\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\nuniform vec2 vRefractionIntensityInfos;\nuniform mat4 refractionIntensityMatrix;\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\nuniform vec2 vTranslucencyIntensityInfos;\nuniform mat4 translucencyIntensityMatrix;\n#endif\nuniform vec2 vThicknessParam;\nuniform vec3 vDiffusionDistance;\nuniform vec4 vTintColor;\nuniform vec3 vSubSurfaceIntensity;\n#endif\n#ifdef PREPASS\n#ifdef SS_SCATTERING\nuniform float scatteringDiffusionProfile;\n#endif\n#endif\n#if DEBUGMODE>0\nuniform vec2 vDebugMode;\n#endif\n#ifdef DETAIL\nuniform vec4 vDetailInfos;\n#endif\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#ifdef SPHERICAL_HARMONICS\nuniform vec3 vSphericalL00;\nuniform vec3 vSphericalL1_1;\nuniform vec3 vSphericalL10;\nuniform vec3 vSphericalL11;\nuniform vec3 vSphericalL2_2;\nuniform vec3 vSphericalL2_1;\nuniform vec3 vSphericalL20;\nuniform vec3 vSphericalL21;\nuniform vec3 vSphericalL22;\n#else\nuniform vec3 vSphericalX;\nuniform vec3 vSphericalY;\nuniform vec3 vSphericalZ;\nuniform vec3 vSphericalXX_ZZ;\nuniform vec3 vSphericalYY_ZZ;\nuniform vec3 vSphericalZZ;\nuniform vec3 vSphericalXY;\nuniform vec3 vSphericalYZ;\nuniform vec3 vSphericalZX;\n#endif\n#endif\n#define ADDITIONAL_FRAGMENT_DECLARATION\n";
        Pt.IncludesShadersStore.pbrUboDeclaration = "layout(std140,column_major) uniform;\nuniform Material {\nvec2 vAlbedoInfos;\nvec4 vAmbientInfos;\nvec2 vOpacityInfos;\nvec2 vEmissiveInfos;\nvec2 vLightmapInfos;\nvec3 vReflectivityInfos;\nvec2 vMicroSurfaceSamplerInfos;\nvec2 vReflectionInfos;\nvec2 vReflectionFilteringInfo;\nvec3 vReflectionPosition;\nvec3 vReflectionSize;\nvec3 vBumpInfos;\nmat4 albedoMatrix;\nmat4 ambientMatrix;\nmat4 opacityMatrix;\nmat4 emissiveMatrix;\nmat4 lightmapMatrix;\nmat4 reflectivityMatrix;\nmat4 microSurfaceSamplerMatrix;\nmat4 bumpMatrix;\nvec2 vTangentSpaceParams;\nmat4 reflectionMatrix;\nvec3 vReflectionColor;\nvec4 vAlbedoColor;\nvec4 vLightingIntensity;\nvec3 vReflectionMicrosurfaceInfos;\nfloat pointSize;\nvec4 vReflectivityColor;\nvec3 vEmissiveColor;\nvec3 vAmbientColor;\nvec2 vDebugMode;\nvec4 vMetallicReflectanceFactors;\nvec2 vMetallicReflectanceInfos;\nmat4 metallicReflectanceMatrix;\nvec2 vReflectanceInfos;\nmat4 reflectanceMatrix;\nvec3 vSphericalL00;\nvec3 vSphericalL1_1;\nvec3 vSphericalL10;\nvec3 vSphericalL11;\nvec3 vSphericalL2_2;\nvec3 vSphericalL2_1;\nvec3 vSphericalL20;\nvec3 vSphericalL21;\nvec3 vSphericalL22;\nvec3 vSphericalX;\nvec3 vSphericalY;\nvec3 vSphericalZ;\nvec3 vSphericalXX_ZZ;\nvec3 vSphericalYY_ZZ;\nvec3 vSphericalZZ;\nvec3 vSphericalXY;\nvec3 vSphericalYZ;\nvec3 vSphericalZX;\n#define ADDITIONAL_UBO_DECLARATION\n};\n#include<sceneUboDeclaration>\n#include<meshUboDeclaration>\n";
        Pt.IncludesShadersStore.pbrFragmentExtraDeclaration = "varying vec3 vPositionW;\n#if DEBUGMODE>0\nvarying vec4 vClipSpacePosition;\n#endif\n#include<mainUVVaryingDeclaration>[1..7]\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#if defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)\nvarying vec3 vEnvironmentIrradiance;\n#endif\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#endif\n";
        Pt.IncludesShadersStore.samplerFragmentAlternateDeclaration = "#ifdef _DEFINENAME_\n#if _DEFINENAME_DIRECTUV==1\n#define v_VARYINGNAME_UV vMainUV1\n#elif _DEFINENAME_DIRECTUV==2\n#define v_VARYINGNAME_UV vMainUV2\n#elif _DEFINENAME_DIRECTUV==3\n#define v_VARYINGNAME_UV vMainUV3\n#elif _DEFINENAME_DIRECTUV==4\n#define v_VARYINGNAME_UV vMainUV4\n#elif _DEFINENAME_DIRECTUV==5\n#define v_VARYINGNAME_UV vMainUV5\n#elif _DEFINENAME_DIRECTUV==6\n#define v_VARYINGNAME_UV vMainUV6\n#else\nvarying vec2 v_VARYINGNAME_UV;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrFragmentSamplersDeclaration = "#include<samplerFragmentDeclaration>(_DEFINENAME_,ALBEDO,_VARYINGNAME_,Albedo,_SAMPLERNAME_,albedo)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient,_SAMPLERNAME_,ambient)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity,_SAMPLERNAME_,opacity)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive,_SAMPLERNAME_,emissive)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap,_SAMPLERNAME_,lightmap)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,REFLECTIVITY,_VARYINGNAME_,Reflectivity,_SAMPLERNAME_,reflectivity)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,MICROSURFACEMAP,_VARYINGNAME_,MicroSurfaceSampler,_SAMPLERNAME_,microSurface)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,METALLIC_REFLECTANCE,_VARYINGNAME_,MetallicReflectance,_SAMPLERNAME_,metallicReflectance)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,REFLECTANCE,_VARYINGNAME_,Reflectance,_SAMPLERNAME_,reflectance)\n#ifdef CLEARCOAT\n#include<samplerFragmentDeclaration>(_DEFINENAME_,CLEARCOAT_TEXTURE,_VARYINGNAME_,ClearCoat,_SAMPLERNAME_,clearCoat)\n#include<samplerFragmentAlternateDeclaration>(_DEFINENAME_,CLEARCOAT_TEXTURE_ROUGHNESS,_VARYINGNAME_,ClearCoatRoughness)\n#if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL)\nuniform sampler2D clearCoatRoughnessSampler;\n#endif\n#include<samplerFragmentDeclaration>(_DEFINENAME_,CLEARCOAT_BUMP,_VARYINGNAME_,ClearCoatBump,_SAMPLERNAME_,clearCoatBump)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,CLEARCOAT_TINT_TEXTURE,_VARYINGNAME_,ClearCoatTint,_SAMPLERNAME_,clearCoatTint)\n#endif\n#ifdef SHEEN\n#include<samplerFragmentDeclaration>(_DEFINENAME_,SHEEN_TEXTURE,_VARYINGNAME_,Sheen,_SAMPLERNAME_,sheen)\n#include<samplerFragmentAlternateDeclaration>(_DEFINENAME_,SHEEN_TEXTURE_ROUGHNESS,_VARYINGNAME_,SheenRoughness)\n#if defined(SHEEN_ROUGHNESS) && defined(SHEEN_TEXTURE_ROUGHNESS) && !defined(SHEEN_TEXTURE_ROUGHNESS_IDENTICAL)\nuniform sampler2D sheenRoughnessSampler;\n#endif\n#endif\n#ifdef ANISOTROPIC\n#include<samplerFragmentDeclaration>(_DEFINENAME_,ANISOTROPIC_TEXTURE,_VARYINGNAME_,Anisotropy,_SAMPLERNAME_,anisotropy)\n#endif\n#ifdef REFLECTION\n#ifdef REFLECTIONMAP_3D\n#define sampleReflection(s,c) textureCube(s,c)\nuniform samplerCube reflectionSampler;\n#ifdef LODBASEDMICROSFURACE\n#define sampleReflectionLod(s,c,l) textureCubeLodEXT(s,c,l)\n#else\nuniform samplerCube reflectionSamplerLow;\nuniform samplerCube reflectionSamplerHigh;\n#endif\n#ifdef USEIRRADIANCEMAP\nuniform samplerCube irradianceSampler;\n#endif\n#else\n#define sampleReflection(s,c) texture2D(s,c)\nuniform sampler2D reflectionSampler;\n#ifdef LODBASEDMICROSFURACE\n#define sampleReflectionLod(s,c,l) texture2DLodEXT(s,c,l)\n#else\nuniform sampler2D reflectionSamplerLow;\nuniform sampler2D reflectionSamplerHigh;\n#endif\n#ifdef USEIRRADIANCEMAP\nuniform sampler2D irradianceSampler;\n#endif\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#else\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#endif\n#endif\n#ifdef ENVIRONMENTBRDF\nuniform sampler2D environmentBrdfSampler;\n#endif\n#ifdef SUBSURFACE\n#ifdef SS_REFRACTION\n#ifdef SS_REFRACTIONMAP_3D\n#define sampleRefraction(s,c) textureCube(s,c)\nuniform samplerCube refractionSampler;\n#ifdef LODBASEDMICROSFURACE\n#define sampleRefractionLod(s,c,l) textureCubeLodEXT(s,c,l)\n#else\nuniform samplerCube refractionSamplerLow;\nuniform samplerCube refractionSamplerHigh;\n#endif\n#else\n#define sampleRefraction(s,c) texture2D(s,c)\nuniform sampler2D refractionSampler;\n#ifdef LODBASEDMICROSFURACE\n#define sampleRefractionLod(s,c,l) texture2DLodEXT(s,c,l)\n#else\nuniform sampler2D refractionSamplerLow;\nuniform sampler2D refractionSamplerHigh;\n#endif\n#endif\n#endif\n#include<samplerFragmentDeclaration>(_DEFINENAME_,SS_THICKNESSANDMASK_TEXTURE,_VARYINGNAME_,Thickness,_SAMPLERNAME_,thickness)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,SS_REFRACTIONINTENSITY_TEXTURE,_VARYINGNAME_,RefractionIntensity,_SAMPLERNAME_,refractionIntensity)\n#include<samplerFragmentDeclaration>(_DEFINENAME_,SS_TRANSLUCENCYINTENSITY_TEXTURE,_VARYINGNAME_,TranslucencyIntensity,_SAMPLERNAME_,translucencyIntensity)\n#endif\n";
        Pt.IncludesShadersStore.subSurfaceScatteringFunctions = "bool testLightingForSSS(float diffusionProfile)\n{\nreturn diffusionProfile<1.;\n}";
        Pt.IncludesShadersStore.importanceSampling = "vec3 hemisphereCosSample(vec2 u) {\nfloat phi=2.*PI*u.x;\nfloat cosTheta2=1.-u.y;\nfloat cosTheta=sqrt(cosTheta2);\nfloat sinTheta=sqrt(1.-cosTheta2);\nreturn vec3(sinTheta*cos(phi),sinTheta*sin(phi),cosTheta);\n}\nvec3 hemisphereImportanceSampleDggx(vec2 u,float a) {\nfloat phi=2.*PI*u.x;\nfloat cosTheta2=(1.-u.y)/(1.+(a+1.)*((a-1.)*u.y));\nfloat cosTheta=sqrt(cosTheta2);\nfloat sinTheta=sqrt(1.-cosTheta2);\nreturn vec3(sinTheta*cos(phi),sinTheta*sin(phi),cosTheta);\n}\nvec3 hemisphereImportanceSampleDCharlie(vec2 u,float a) { \nfloat phi=2.*PI*u.x;\nfloat sinTheta=pow(u.y,a/(2.*a+1.));\nfloat cosTheta=sqrt(1.-sinTheta*sinTheta);\nreturn vec3(sinTheta*cos(phi),sinTheta*sin(phi),cosTheta);\n}";
        Pt.IncludesShadersStore.pbrHelperFunctions = "#define RECIPROCAL_PI2 0.15915494\n#define RECIPROCAL_PI 0.31830988618\n#define MINIMUMVARIANCE 0.0005\nfloat convertRoughnessToAverageSlope(float roughness)\n{\nreturn square(roughness)+MINIMUMVARIANCE;\n}\nfloat fresnelGrazingReflectance(float reflectance0) {\nfloat reflectance90=saturate(reflectance0*25.0);\nreturn reflectance90;\n}\nvec2 getAARoughnessFactors(vec3 normalVector) {\n#ifdef SPECULARAA\nvec3 nDfdx=dFdx(normalVector.xyz);\nvec3 nDfdy=dFdy(normalVector.xyz);\nfloat slopeSquare=max(dot(nDfdx,nDfdx),dot(nDfdy,nDfdy));\nfloat geometricRoughnessFactor=pow(saturate(slopeSquare),0.333);\nfloat geometricAlphaGFactor=sqrt(slopeSquare);\ngeometricAlphaGFactor*=0.75;\nreturn vec2(geometricRoughnessFactor,geometricAlphaGFactor);\n#else\nreturn vec2(0.);\n#endif\n}\n#ifdef ANISOTROPIC\nvec2 getAnisotropicRoughness(float alphaG,float anisotropy) {\nfloat alphaT=max(alphaG*(1.0+anisotropy),MINIMUMVARIANCE);\nfloat alphaB=max(alphaG*(1.0-anisotropy),MINIMUMVARIANCE);\nreturn vec2(alphaT,alphaB);\n}\nvec3 getAnisotropicBentNormals(const vec3 T,const vec3 B,const vec3 N,const vec3 V,float anisotropy) {\nvec3 anisotropicFrameDirection=anisotropy>=0.0 ? B : T;\nvec3 anisotropicFrameTangent=cross(normalize(anisotropicFrameDirection),V);\nvec3 anisotropicFrameNormal=cross(anisotropicFrameTangent,anisotropicFrameDirection);\nvec3 anisotropicNormal=normalize(mix(N,anisotropicFrameNormal,abs(anisotropy)));\nreturn anisotropicNormal;\n}\n#endif\n#if defined(CLEARCOAT) || defined(SS_REFRACTION)\nvec3 cocaLambert(vec3 alpha,float distance) {\nreturn exp(-alpha*distance);\n}\nvec3 cocaLambert(float NdotVRefract,float NdotLRefract,vec3 alpha,float thickness) {\nreturn cocaLambert(alpha,(thickness*((NdotLRefract+NdotVRefract)/(NdotLRefract*NdotVRefract))));\n}\nvec3 computeColorAtDistanceInMedia(vec3 color,float distance) {\nreturn -log(color)/distance;\n}\nvec3 computeClearCoatAbsorption(float NdotVRefract,float NdotLRefract,vec3 clearCoatColor,float clearCoatThickness,float clearCoatIntensity) {\nvec3 clearCoatAbsorption=mix(vec3(1.0),\ncocaLambert(NdotVRefract,NdotLRefract,clearCoatColor,clearCoatThickness),\nclearCoatIntensity);\nreturn clearCoatAbsorption;\n}\n#endif\n#ifdef MICROSURFACEAUTOMATIC\nfloat computeDefaultMicroSurface(float microSurface,vec3 reflectivityColor)\n{\nconst float kReflectivityNoAlphaWorkflow_SmoothnessMax=0.95;\nfloat reflectivityLuminance=getLuminance(reflectivityColor);\nfloat reflectivityLuma=sqrt(reflectivityLuminance);\nmicroSurface=reflectivityLuma*kReflectivityNoAlphaWorkflow_SmoothnessMax;\nreturn microSurface;\n}\n#endif\n";
        Pt.IncludesShadersStore.harmonicsFunctions = "#ifdef USESPHERICALFROMREFLECTIONMAP\n#ifdef SPHERICAL_HARMONICS\nvec3 computeEnvironmentIrradiance(vec3 normal) {\nreturn vSphericalL00\n+ vSphericalL1_1*(normal.y)\n+ vSphericalL10*(normal.z)\n+ vSphericalL11*(normal.x)\n+ vSphericalL2_2*(normal.y*normal.x)\n+ vSphericalL2_1*(normal.y*normal.z)\n+ vSphericalL20*((3.0*normal.z*normal.z)-1.0)\n+ vSphericalL21*(normal.z*normal.x)\n+ vSphericalL22*(normal.x*normal.x-(normal.y*normal.y));\n}\n#else\nvec3 computeEnvironmentIrradiance(vec3 normal) {\nfloat Nx=normal.x;\nfloat Ny=normal.y;\nfloat Nz=normal.z;\nvec3 C1=vSphericalZZ.rgb;\nvec3 Cx=vSphericalX.rgb;\nvec3 Cy=vSphericalY.rgb;\nvec3 Cz=vSphericalZ.rgb;\nvec3 Cxx_zz=vSphericalXX_ZZ.rgb;\nvec3 Cyy_zz=vSphericalYY_ZZ.rgb;\nvec3 Cxy=vSphericalXY.rgb;\nvec3 Cyz=vSphericalYZ.rgb;\nvec3 Czx=vSphericalZX.rgb;\nvec3 a1=Cyy_zz*Ny+Cy;\nvec3 a2=Cyz*Nz+a1;\nvec3 b1=Czx*Nz+Cx;\nvec3 b2=Cxy*Ny+b1;\nvec3 b3=Cxx_zz*Nx+b2;\nvec3 t1=Cz *Nz+C1;\nvec3 t2=a2 *Ny+t1;\nvec3 t3=b3 *Nx+t2;\nreturn t3;\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrDirectLightingSetupFunctions = "struct preLightingInfo\n{\nvec3 lightOffset;\nfloat lightDistanceSquared;\nfloat lightDistance;\nfloat attenuation;\nvec3 L;\nvec3 H;\nfloat NdotV;\nfloat NdotLUnclamped;\nfloat NdotL;\nfloat VdotH;\nfloat roughness;\n};\npreLightingInfo computePointAndSpotPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {\npreLightingInfo result;\nresult.lightOffset=lightData.xyz-vPositionW;\nresult.lightDistanceSquared=dot(result.lightOffset,result.lightOffset);\nresult.lightDistance=sqrt(result.lightDistanceSquared);\nresult.L=normalize(result.lightOffset);\nresult.H=normalize(V+result.L);\nresult.VdotH=saturate(dot(V,result.H));\nresult.NdotLUnclamped=dot(N,result.L);\nresult.NdotL=saturateEps(result.NdotLUnclamped);\nreturn result;\n}\npreLightingInfo computeDirectionalPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {\npreLightingInfo result;\nresult.lightDistance=length(-lightData.xyz);\nresult.L=normalize(-lightData.xyz);\nresult.H=normalize(V+result.L);\nresult.VdotH=saturate(dot(V,result.H));\nresult.NdotLUnclamped=dot(N,result.L);\nresult.NdotL=saturateEps(result.NdotLUnclamped);\nreturn result;\n}\npreLightingInfo computeHemisphericPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {\npreLightingInfo result;\nresult.NdotL=dot(N,lightData.xyz)*0.5+0.5;\nresult.NdotL=saturateEps(result.NdotL);\nresult.NdotLUnclamped=result.NdotL;\n#ifdef SPECULARTERM\nresult.L=normalize(lightData.xyz);\nresult.H=normalize(V+result.L);\nresult.VdotH=saturate(dot(V,result.H));\n#endif\nreturn result;\n}";
        Pt.IncludesShadersStore.pbrDirectLightingFalloffFunctions = "float computeDistanceLightFalloff_Standard(vec3 lightOffset,float range)\n{\nreturn max(0.,1.0-length(lightOffset)/range);\n}\nfloat computeDistanceLightFalloff_Physical(float lightDistanceSquared)\n{\nreturn 1.0/maxEps(lightDistanceSquared);\n}\nfloat computeDistanceLightFalloff_GLTF(float lightDistanceSquared,float inverseSquaredRange)\n{\nfloat lightDistanceFalloff=1.0/maxEps(lightDistanceSquared);\nfloat factor=lightDistanceSquared*inverseSquaredRange;\nfloat attenuation=saturate(1.0-factor*factor);\nattenuation*=attenuation;\nlightDistanceFalloff*=attenuation;\nreturn lightDistanceFalloff;\n}\nfloat computeDistanceLightFalloff(vec3 lightOffset,float lightDistanceSquared,float range,float inverseSquaredRange)\n{\n#ifdef USEPHYSICALLIGHTFALLOFF\nreturn computeDistanceLightFalloff_Physical(lightDistanceSquared);\n#elif defined(USEGLTFLIGHTFALLOFF)\nreturn computeDistanceLightFalloff_GLTF(lightDistanceSquared,inverseSquaredRange);\n#else\nreturn computeDistanceLightFalloff_Standard(lightOffset,range);\n#endif\n}\nfloat computeDirectionalLightFalloff_Standard(vec3 lightDirection,vec3 directionToLightCenterW,float cosHalfAngle,float exponent)\n{\nfloat falloff=0.0;\nfloat cosAngle=maxEps(dot(-lightDirection,directionToLightCenterW));\nif (cosAngle>=cosHalfAngle)\n{\nfalloff=max(0.,pow(cosAngle,exponent));\n}\nreturn falloff;\n}\nfloat computeDirectionalLightFalloff_Physical(vec3 lightDirection,vec3 directionToLightCenterW,float cosHalfAngle)\n{\nconst float kMinusLog2ConeAngleIntensityRatio=6.64385618977; \nfloat concentrationKappa=kMinusLog2ConeAngleIntensityRatio/(1.0-cosHalfAngle);\nvec4 lightDirectionSpreadSG=vec4(-lightDirection*concentrationKappa,-concentrationKappa);\nfloat falloff=exp2(dot(vec4(directionToLightCenterW,1.0),lightDirectionSpreadSG));\nreturn falloff;\n}\nfloat computeDirectionalLightFalloff_GLTF(vec3 lightDirection,vec3 directionToLightCenterW,float lightAngleScale,float lightAngleOffset)\n{\nfloat cd=dot(-lightDirection,directionToLightCenterW);\nfloat falloff=saturate(cd*lightAngleScale+lightAngleOffset);\nfalloff*=falloff;\nreturn falloff;\n}\nfloat computeDirectionalLightFalloff(vec3 lightDirection,vec3 directionToLightCenterW,float cosHalfAngle,float exponent,float lightAngleScale,float lightAngleOffset)\n{\n#ifdef USEPHYSICALLIGHTFALLOFF\nreturn computeDirectionalLightFalloff_Physical(lightDirection,directionToLightCenterW,cosHalfAngle);\n#elif defined(USEGLTFLIGHTFALLOFF)\nreturn computeDirectionalLightFalloff_GLTF(lightDirection,directionToLightCenterW,lightAngleScale,lightAngleOffset);\n#else\nreturn computeDirectionalLightFalloff_Standard(lightDirection,directionToLightCenterW,cosHalfAngle,exponent);\n#endif\n}";
        Pt.IncludesShadersStore.pbrBRDFFunctions = "#define FRESNEL_MAXIMUM_ON_ROUGH 0.25\n#ifdef MS_BRDF_ENERGY_CONSERVATION\nvec3 getEnergyConservationFactor(const vec3 specularEnvironmentR0,const vec3 environmentBrdf) {\nreturn 1.0+specularEnvironmentR0*(1.0/environmentBrdf.y-1.0);\n}\n#endif\n#ifdef ENVIRONMENTBRDF\nvec3 getBRDFLookup(float NdotV,float perceptualRoughness) {\nvec2 UV=vec2(NdotV,perceptualRoughness);\nvec4 brdfLookup=texture2D(environmentBrdfSampler,UV);\n#ifdef ENVIRONMENTBRDF_RGBD\nbrdfLookup.rgb=fromRGBD(brdfLookup.rgba);\n#endif\nreturn brdfLookup.rgb;\n}\nvec3 getReflectanceFromBRDFLookup(const vec3 specularEnvironmentR0,const vec3 specularEnvironmentR90,const vec3 environmentBrdf) {\n#ifdef BRDF_V_HEIGHT_CORRELATED\nvec3 reflectance=(specularEnvironmentR90-specularEnvironmentR0)*environmentBrdf.x+specularEnvironmentR0*environmentBrdf.y;\n#else\nvec3 reflectance=specularEnvironmentR0*environmentBrdf.x+specularEnvironmentR90*environmentBrdf.y;\n#endif\nreturn reflectance;\n}\nvec3 getReflectanceFromBRDFLookup(const vec3 specularEnvironmentR0,const vec3 environmentBrdf) {\n#ifdef BRDF_V_HEIGHT_CORRELATED\nvec3 reflectance=mix(environmentBrdf.xxx,environmentBrdf.yyy,specularEnvironmentR0);\n#else\nvec3 reflectance=specularEnvironmentR0*environmentBrdf.x+environmentBrdf.y;\n#endif\nreturn reflectance;\n}\n#endif\n/* NOT USED\n#if defined(SHEEN) && defined(SHEEN_SOFTER)\nfloat getBRDFLookupCharlieSheen(float NdotV,float perceptualRoughness)\n{\nfloat c=1.0-NdotV;\nfloat c3=c*c*c;\nreturn 0.65584461*c3+1.0/(4.16526551+exp(-7.97291361*perceptualRoughness+6.33516894));\n}\n#endif\n*/\n#if !defined(ENVIRONMENTBRDF) || defined(REFLECTIONMAP_SKYBOX) || defined(ALPHAFRESNEL)\nvec3 getReflectanceFromAnalyticalBRDFLookup_Jones(float VdotN,vec3 reflectance0,vec3 reflectance90,float smoothness)\n{\nfloat weight=mix(FRESNEL_MAXIMUM_ON_ROUGH,1.0,smoothness);\nreturn reflectance0+weight*(reflectance90-reflectance0)*pow5(saturate(1.0-VdotN));\n}\n#endif\n#if defined(SHEEN) && defined(ENVIRONMENTBRDF)\n/**\n* The sheen BRDF not containing F can be easily stored in the blue channel of the BRDF texture.\n* The blue channel contains DCharlie*VAshikhmin*NdotL as a lokkup table\n*/\nvec3 getSheenReflectanceFromBRDFLookup(const vec3 reflectance0,const vec3 environmentBrdf) {\nvec3 sheenEnvironmentReflectance=reflectance0*environmentBrdf.b;\nreturn sheenEnvironmentReflectance;\n}\n#endif\nvec3 fresnelSchlickGGX(float VdotH,vec3 reflectance0,vec3 reflectance90)\n{\nreturn reflectance0+(reflectance90-reflectance0)*pow5(1.0-VdotH);\n}\nfloat fresnelSchlickGGX(float VdotH,float reflectance0,float reflectance90)\n{\nreturn reflectance0+(reflectance90-reflectance0)*pow5(1.0-VdotH);\n}\n#ifdef CLEARCOAT\nvec3 getR0RemappedForClearCoat(vec3 f0) {\n#ifdef CLEARCOAT_DEFAULTIOR\n#ifdef MOBILE\nreturn saturate(f0*(f0*0.526868+0.529324)-0.0482256);\n#else\nreturn saturate(f0*(f0*(0.941892-0.263008*f0)+0.346479)-0.0285998);\n#endif\n#else\nvec3 s=sqrt(f0);\nvec3 t=(vClearCoatRefractionParams.z+vClearCoatRefractionParams.w*s)/(vClearCoatRefractionParams.w+vClearCoatRefractionParams.z*s);\nreturn t*t;\n#endif\n}\n#endif\nfloat normalDistributionFunction_TrowbridgeReitzGGX(float NdotH,float alphaG)\n{\nfloat a2=square(alphaG);\nfloat d=NdotH*NdotH*(a2-1.0)+1.0;\nreturn a2/(PI*d*d);\n}\n#ifdef SHEEN\nfloat normalDistributionFunction_CharlieSheen(float NdotH,float alphaG)\n{\nfloat invR=1./alphaG;\nfloat cos2h=NdotH*NdotH;\nfloat sin2h=1.-cos2h;\nreturn (2.+invR)*pow(sin2h,invR*.5)/(2.*PI);\n}\n#endif\n#ifdef ANISOTROPIC\nfloat normalDistributionFunction_BurleyGGX_Anisotropic(float NdotH,float TdotH,float BdotH,const vec2 alphaTB) {\nfloat a2=alphaTB.x*alphaTB.y;\nvec3 v=vec3(alphaTB.y*TdotH,alphaTB.x *BdotH,a2*NdotH);\nfloat v2=dot(v,v);\nfloat w2=a2/v2;\nreturn a2*w2*w2*RECIPROCAL_PI;\n}\n#endif\n#ifdef BRDF_V_HEIGHT_CORRELATED\nfloat smithVisibility_GGXCorrelated(float NdotL,float NdotV,float alphaG) {\n#ifdef MOBILE\nfloat GGXV=NdotL*(NdotV*(1.0-alphaG)+alphaG);\nfloat GGXL=NdotV*(NdotL*(1.0-alphaG)+alphaG);\nreturn 0.5/(GGXV+GGXL);\n#else\nfloat a2=alphaG*alphaG;\nfloat GGXV=NdotL*sqrt(NdotV*(NdotV-a2*NdotV)+a2);\nfloat GGXL=NdotV*sqrt(NdotL*(NdotL-a2*NdotL)+a2);\nreturn 0.5/(GGXV+GGXL);\n#endif\n}\n#else\nfloat smithVisibilityG1_TrowbridgeReitzGGXFast(float dot,float alphaG)\n{\n#ifdef MOBILE\nreturn 1.0/(dot+alphaG+(1.0-alphaG)*dot ));\n#else\nfloat alphaSquared=alphaG*alphaG;\nreturn 1.0/(dot+sqrt(alphaSquared+(1.0-alphaSquared)*dot*dot));\n#endif\n}\nfloat smithVisibility_TrowbridgeReitzGGXFast(float NdotL,float NdotV,float alphaG)\n{\nfloat visibility=smithVisibilityG1_TrowbridgeReitzGGXFast(NdotL,alphaG)*smithVisibilityG1_TrowbridgeReitzGGXFast(NdotV,alphaG);\nreturn visibility;\n}\n#endif\n#ifdef ANISOTROPIC\nfloat smithVisibility_GGXCorrelated_Anisotropic(float NdotL,float NdotV,float TdotV,float BdotV,float TdotL,float BdotL,const vec2 alphaTB) {\nfloat lambdaV=NdotL*length(vec3(alphaTB.x*TdotV,alphaTB.y*BdotV,NdotV));\nfloat lambdaL=NdotV*length(vec3(alphaTB.x*TdotL,alphaTB.y*BdotL,NdotL));\nfloat v=0.5/(lambdaV+lambdaL);\nreturn v;\n}\n#endif\n#ifdef CLEARCOAT\nfloat visibility_Kelemen(float VdotH) {\nreturn 0.25/(VdotH*VdotH); \n}\n#endif\n#ifdef SHEEN\nfloat visibility_Ashikhmin(float NdotL,float NdotV)\n{\nreturn 1./(4.*(NdotL+NdotV-NdotL*NdotV));\n}\n/* NOT USED\n#ifdef SHEEN_SOFTER\nfloat l(float x,float alphaG)\n{\nfloat oneMinusAlphaSq=(1.0-alphaG)*(1.0-alphaG);\nfloat a=mix(21.5473,25.3245,oneMinusAlphaSq);\nfloat b=mix(3.82987,3.32435,oneMinusAlphaSq);\nfloat c=mix(0.19823,0.16801,oneMinusAlphaSq);\nfloat d=mix(-1.97760,-1.27393,oneMinusAlphaSq);\nfloat e=mix(-4.32054,-4.85967,oneMinusAlphaSq);\nreturn a/(1.0+b*pow(x,c))+d*x+e;\n}\nfloat lambdaSheen(float cosTheta,float alphaG)\n{\nreturn abs(cosTheta)<0.5 ? exp(l(cosTheta,alphaG)) : exp(2.0*l(0.5,alphaG)-l(1.0-cosTheta,alphaG));\n}\nfloat visibility_CharlieSheen(float NdotL,float NdotV,float alphaG)\n{\nfloat G=1.0/(1.0+lambdaSheen(NdotV,alphaG)+lambdaSheen(NdotL,alphaG));\nreturn G/(4.0*NdotV*NdotL);\n}\n#endif\n*/\n#endif\nfloat diffuseBRDF_Burley(float NdotL,float NdotV,float VdotH,float roughness) {\nfloat diffuseFresnelNV=pow5(saturateEps(1.0-NdotL));\nfloat diffuseFresnelNL=pow5(saturateEps(1.0-NdotV));\nfloat diffuseFresnel90=0.5+2.0*VdotH*VdotH*roughness;\nfloat fresnel =\n(1.0+(diffuseFresnel90-1.0)*diffuseFresnelNL) *\n(1.0+(diffuseFresnel90-1.0)*diffuseFresnelNV);\nreturn fresnel/PI;\n}\n#ifdef SS_TRANSLUCENCY\nvec3 transmittanceBRDF_Burley(const vec3 tintColor,const vec3 diffusionDistance,float thickness) {\nvec3 S=1./maxEps(diffusionDistance);\nvec3 temp=exp((-0.333333333*thickness)*S);\nreturn tintColor.rgb*0.25*(temp*temp*temp+3.0*temp);\n}\nfloat computeWrappedDiffuseNdotL(float NdotL,float w) {\nfloat t=1.0+w;\nfloat invt2=1.0/square(t);\nreturn saturate((NdotL+w)*invt2);\n}\n#endif\n";
        Pt.IncludesShadersStore.hdrFilteringFunctions = "#ifdef NUM_SAMPLES\n#if NUM_SAMPLES>0\n#if defined(WEBGL2) || defined(WEBGPU)\nfloat radicalInverse_VdC(uint bits) \n{\nbits=(bits<<16u) | (bits>>16u);\nbits=((bits & 0x55555555u)<<1u) | ((bits & 0xAAAAAAAAu)>>1u);\nbits=((bits & 0x33333333u)<<2u) | ((bits & 0xCCCCCCCCu)>>2u);\nbits=((bits & 0x0F0F0F0Fu)<<4u) | ((bits & 0xF0F0F0F0u)>>4u);\nbits=((bits & 0x00FF00FFu)<<8u) | ((bits & 0xFF00FF00u)>>8u);\nreturn float(bits)*2.3283064365386963e-10; \n}\nvec2 hammersley(uint i,uint N)\n{\nreturn vec2(float(i)/float(N),radicalInverse_VdC(i));\n}\n#else\nfloat vanDerCorpus(int n,int base)\n{\nfloat invBase=1.0/float(base);\nfloat denom =1.0;\nfloat result =0.0;\nfor(int i=0; i<32; ++i)\n{\nif(n>0)\n{\ndenom =mod(float(n),2.0);\nresult+=denom*invBase;\ninvBase=invBase/2.0;\nn =int(float(n)/2.0);\n}\n}\nreturn result;\n}\nvec2 hammersley(int i,int N)\n{\nreturn vec2(float(i)/float(N),vanDerCorpus(i,2));\n}\n#endif\nfloat log4(float x) {\nreturn log2(x)/2.;\n}\nconst float NUM_SAMPLES_FLOAT=float(NUM_SAMPLES);\nconst float NUM_SAMPLES_FLOAT_INVERSED=1./NUM_SAMPLES_FLOAT;\nconst float K=4.;\n#define inline\nvec3 irradiance(samplerCube inputTexture,vec3 inputN,vec2 filteringInfo)\n{\nvec3 n=normalize(inputN);\nvec3 result=vec3(0.0);\nvec3 tangent=abs(n.z)<0.999 ? vec3(0.,0.,1.) : vec3(1.,0.,0.);\ntangent=normalize(cross(tangent,n));\nvec3 bitangent=cross(n,tangent);\nmat3 tbn=mat3(tangent,bitangent,n);\nfloat maxLevel=filteringInfo.y;\nfloat dim0=filteringInfo.x;\nfloat omegaP=(4.*PI)/(6.*dim0*dim0);\n#if defined(WEBGL2) || defined(WEBGPU)\nfor(uint i=0u; i<NUM_SAMPLES; ++i)\n#else\nfor(int i=0; i<NUM_SAMPLES; ++i)\n#endif\n{\nvec2 Xi=hammersley(i,NUM_SAMPLES);\nvec3 Ls=hemisphereCosSample(Xi);\nLs=normalize(Ls);\nvec3 Ns=vec3(0.,0.,1.);\nfloat NoL=dot(Ns,Ls);\nif (NoL>0.) {\nfloat pdf_inversed=PI/NoL;\nfloat omegaS=NUM_SAMPLES_FLOAT_INVERSED*pdf_inversed;\nfloat l=log4(omegaS)-log4(omegaP)+log4(K);\nfloat mipLevel=clamp(l,0.0,maxLevel);\nvec3 c=textureCubeLodEXT(inputTexture,tbn*Ls,mipLevel).rgb;\n#ifdef GAMMA_INPUT\nc=toLinearSpace(c);\n#endif\nresult+=c;\n}\n}\nresult=result*NUM_SAMPLES_FLOAT_INVERSED;\nreturn result;\n}\n#define inline\nvec3 radiance(float alphaG,samplerCube inputTexture,vec3 inputN,vec2 filteringInfo)\n{\nvec3 n=normalize(inputN);\nif (alphaG==0.) {\nvec3 c=textureCube(inputTexture,n).rgb;\n#ifdef GAMMA_INPUT\nc=toLinearSpace(c);\n#endif\nreturn c;\n} else {\nvec3 result=vec3(0.);\nvec3 tangent=abs(n.z)<0.999 ? vec3(0.,0.,1.) : vec3(1.,0.,0.);\ntangent=normalize(cross(tangent,n));\nvec3 bitangent=cross(n,tangent);\nmat3 tbn=mat3(tangent,bitangent,n);\nfloat maxLevel=filteringInfo.y;\nfloat dim0=filteringInfo.x;\nfloat omegaP=(4.*PI)/(6.*dim0*dim0);\nfloat weight=0.;\n#if defined(WEBGL2) || defined(WEBGPU)\nfor(uint i=0u; i<NUM_SAMPLES; ++i)\n#else\nfor(int i=0; i<NUM_SAMPLES; ++i)\n#endif\n{\nvec2 Xi=hammersley(i,NUM_SAMPLES);\nvec3 H=hemisphereImportanceSampleDggx(Xi,alphaG);\nfloat NoV=1.;\nfloat NoH=H.z;\nfloat NoH2=H.z*H.z;\nfloat NoL=2.*NoH2-1.;\nvec3 L=vec3(2.*NoH*H.x,2.*NoH*H.y,NoL);\nL=normalize(L);\nif (NoL>0.) {\nfloat pdf_inversed=4./normalDistributionFunction_TrowbridgeReitzGGX(NoH,alphaG);\nfloat omegaS=NUM_SAMPLES_FLOAT_INVERSED*pdf_inversed;\nfloat l=log4(omegaS)-log4(omegaP)+log4(K);\nfloat mipLevel=clamp(float(l),0.0,maxLevel);\nweight+=NoL;\nvec3 c=textureCubeLodEXT(inputTexture,tbn*L,mipLevel).rgb;\n#ifdef GAMMA_INPUT\nc=toLinearSpace(c);\n#endif\nresult+=c*NoL;\n}\n}\nresult=result/weight;\nreturn result;\n}\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrDirectLightingFunctions = "#define CLEARCOATREFLECTANCE90 1.0\nstruct lightingInfo\n{\nvec3 diffuse;\n#ifdef SPECULARTERM\nvec3 specular;\n#endif\n#ifdef CLEARCOAT\nvec4 clearCoat;\n#endif\n#ifdef SHEEN\nvec3 sheen;\n#endif\n};\nfloat adjustRoughnessFromLightProperties(float roughness,float lightRadius,float lightDistance) {\n#if defined(USEPHYSICALLIGHTFALLOFF) || defined(USEGLTFLIGHTFALLOFF)\nfloat lightRoughness=lightRadius/lightDistance;\nfloat totalRoughness=saturate(lightRoughness+roughness);\nreturn totalRoughness;\n#else\nreturn roughness;\n#endif\n}\nvec3 computeHemisphericDiffuseLighting(preLightingInfo info,vec3 lightColor,vec3 groundColor) {\nreturn mix(groundColor,lightColor,info.NdotL);\n}\nvec3 computeDiffuseLighting(preLightingInfo info,vec3 lightColor) {\nfloat diffuseTerm=diffuseBRDF_Burley(info.NdotL,info.NdotV,info.VdotH,info.roughness);\nreturn diffuseTerm*info.attenuation*info.NdotL*lightColor;\n}\n#define inline\nvec3 computeProjectionTextureDiffuseLighting(sampler2D projectionLightSampler,mat4 textureProjectionMatrix){\nvec4 strq=textureProjectionMatrix*vec4(vPositionW,1.0);\nstrq/=strq.w;\nvec3 textureColor=texture2D(projectionLightSampler,strq.xy).rgb;\nreturn toLinearSpace(textureColor);\n}\n#ifdef SS_TRANSLUCENCY\nvec3 computeDiffuseAndTransmittedLighting(preLightingInfo info,vec3 lightColor,vec3 transmittance) {\nfloat NdotL=absEps(info.NdotLUnclamped);\nfloat wrapNdotL=computeWrappedDiffuseNdotL(NdotL,0.02);\nfloat trAdapt=step(0.,info.NdotLUnclamped);\nvec3 transmittanceNdotL=mix(transmittance*wrapNdotL,vec3(wrapNdotL),trAdapt);\nfloat diffuseTerm=diffuseBRDF_Burley(NdotL,info.NdotV,info.VdotH,info.roughness);\nreturn diffuseTerm*transmittanceNdotL*info.attenuation*lightColor;\n}\n#endif\n#ifdef SPECULARTERM\nvec3 computeSpecularLighting(preLightingInfo info,vec3 N,vec3 reflectance0,vec3 reflectance90,float geometricRoughnessFactor,vec3 lightColor) {\nfloat NdotH=saturateEps(dot(N,info.H));\nfloat roughness=max(info.roughness,geometricRoughnessFactor);\nfloat alphaG=convertRoughnessToAverageSlope(roughness);\nvec3 fresnel=fresnelSchlickGGX(info.VdotH,reflectance0,reflectance90);\nfloat distribution=normalDistributionFunction_TrowbridgeReitzGGX(NdotH,alphaG);\n#ifdef BRDF_V_HEIGHT_CORRELATED\nfloat smithVisibility=smithVisibility_GGXCorrelated(info.NdotL,info.NdotV,alphaG);\n#else\nfloat smithVisibility=smithVisibility_TrowbridgeReitzGGXFast(info.NdotL,info.NdotV,alphaG);\n#endif\nvec3 specTerm=fresnel*distribution*smithVisibility;\nreturn specTerm*info.attenuation*info.NdotL*lightColor;\n}\n#endif\n#ifdef ANISOTROPIC\nvec3 computeAnisotropicSpecularLighting(preLightingInfo info,vec3 V,vec3 N,vec3 T,vec3 B,float anisotropy,vec3 reflectance0,vec3 reflectance90,float geometricRoughnessFactor,vec3 lightColor) {\nfloat NdotH=saturateEps(dot(N,info.H));\nfloat TdotH=dot(T,info.H);\nfloat BdotH=dot(B,info.H);\nfloat TdotV=dot(T,V);\nfloat BdotV=dot(B,V);\nfloat TdotL=dot(T,info.L);\nfloat BdotL=dot(B,info.L);\nfloat alphaG=convertRoughnessToAverageSlope(info.roughness);\nvec2 alphaTB=getAnisotropicRoughness(alphaG,anisotropy);\nalphaTB=max(alphaTB,square(geometricRoughnessFactor));\nvec3 fresnel=fresnelSchlickGGX(info.VdotH,reflectance0,reflectance90);\nfloat distribution=normalDistributionFunction_BurleyGGX_Anisotropic(NdotH,TdotH,BdotH,alphaTB);\nfloat smithVisibility=smithVisibility_GGXCorrelated_Anisotropic(info.NdotL,info.NdotV,TdotV,BdotV,TdotL,BdotL,alphaTB);\nvec3 specTerm=fresnel*distribution*smithVisibility;\nreturn specTerm*info.attenuation*info.NdotL*lightColor;\n}\n#endif\n#ifdef CLEARCOAT\nvec4 computeClearCoatLighting(preLightingInfo info,vec3 Ncc,float geometricRoughnessFactor,float clearCoatIntensity,vec3 lightColor) {\nfloat NccdotL=saturateEps(dot(Ncc,info.L));\nfloat NccdotH=saturateEps(dot(Ncc,info.H));\nfloat clearCoatRoughness=max(info.roughness,geometricRoughnessFactor);\nfloat alphaG=convertRoughnessToAverageSlope(clearCoatRoughness);\nfloat fresnel=fresnelSchlickGGX(info.VdotH,vClearCoatRefractionParams.x,CLEARCOATREFLECTANCE90);\nfresnel*=clearCoatIntensity;\nfloat distribution=normalDistributionFunction_TrowbridgeReitzGGX(NccdotH,alphaG);\nfloat kelemenVisibility=visibility_Kelemen(info.VdotH);\nfloat clearCoatTerm=fresnel*distribution*kelemenVisibility;\nreturn vec4(\nclearCoatTerm*info.attenuation*NccdotL*lightColor,\n1.0-fresnel\n);\n}\nvec3 computeClearCoatLightingAbsorption(float NdotVRefract,vec3 L,vec3 Ncc,vec3 clearCoatColor,float clearCoatThickness,float clearCoatIntensity) {\nvec3 LRefract=-refract(L,Ncc,vClearCoatRefractionParams.y);\nfloat NdotLRefract=saturateEps(dot(Ncc,LRefract));\nvec3 absorption=computeClearCoatAbsorption(NdotVRefract,NdotLRefract,clearCoatColor,clearCoatThickness,clearCoatIntensity);\nreturn absorption;\n}\n#endif\n#ifdef SHEEN\nvec3 computeSheenLighting(preLightingInfo info,vec3 N,vec3 reflectance0,vec3 reflectance90,float geometricRoughnessFactor,vec3 lightColor) {\nfloat NdotH=saturateEps(dot(N,info.H));\nfloat roughness=max(info.roughness,geometricRoughnessFactor);\nfloat alphaG=convertRoughnessToAverageSlope(roughness);\nfloat fresnel=1.;\nfloat distribution=normalDistributionFunction_CharlieSheen(NdotH,alphaG);\n/*#ifdef SHEEN_SOFTER\nfloat visibility=visibility_CharlieSheen(info.NdotL,info.NdotV,alphaG);\n#else */\nfloat visibility=visibility_Ashikhmin(info.NdotL,info.NdotV);\n/* #endif */\nfloat sheenTerm=fresnel*distribution*visibility;\nreturn sheenTerm*info.attenuation*info.NdotL*lightColor;\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrIBLFunctions = "#if defined(REFLECTION) || defined(SS_REFRACTION)\nfloat getLodFromAlphaG(float cubeMapDimensionPixels,float microsurfaceAverageSlope) {\nfloat microsurfaceAverageSlopeTexels=cubeMapDimensionPixels*microsurfaceAverageSlope;\nfloat lod=log2(microsurfaceAverageSlopeTexels);\nreturn lod;\n}\nfloat getLinearLodFromRoughness(float cubeMapDimensionPixels,float roughness) {\nfloat lod=log2(cubeMapDimensionPixels)*roughness;\nreturn lod;\n}\n#endif\n#if defined(ENVIRONMENTBRDF) && defined(RADIANCEOCCLUSION)\nfloat environmentRadianceOcclusion(float ambientOcclusion,float NdotVUnclamped) {\nfloat temp=NdotVUnclamped+ambientOcclusion;\nreturn saturate(square(temp)-1.0+ambientOcclusion);\n}\n#endif\n#if defined(ENVIRONMENTBRDF) && defined(HORIZONOCCLUSION)\nfloat environmentHorizonOcclusion(vec3 view,vec3 normal,vec3 geometricNormal) {\nvec3 reflection=reflect(view,normal);\nfloat temp=saturate(1.0+1.1*dot(reflection,geometricNormal));\nreturn square(temp);\n}\n#endif\n#if defined(LODINREFLECTIONALPHA) || defined(SS_LODINREFRACTIONALPHA)\n#define UNPACK_LOD(x) (1.0-x)*255.0\nfloat getLodFromAlphaG(float cubeMapDimensionPixels,float alphaG,float NdotV) {\nfloat microsurfaceAverageSlope=alphaG;\nmicrosurfaceAverageSlope*=sqrt(abs(NdotV));\nreturn getLodFromAlphaG(cubeMapDimensionPixels,microsurfaceAverageSlope);\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockAlbedoOpacity = "struct albedoOpacityOutParams\n{\nvec3 surfaceAlbedo;\nfloat alpha;\n};\n#define pbr_inline\nvoid albedoOpacityBlock(\nin vec4 vAlbedoColor,\n#ifdef ALBEDO\nin vec4 albedoTexture,\nin vec2 albedoInfos,\n#endif\n#ifdef OPACITY\nin vec4 opacityMap,\nin vec2 vOpacityInfos,\n#endif\n#ifdef DETAIL\nin vec4 detailColor,\nin vec4 vDetailInfos,\n#endif\nout albedoOpacityOutParams outParams\n)\n{\nvec3 surfaceAlbedo=vAlbedoColor.rgb;\nfloat alpha=vAlbedoColor.a;\n#ifdef ALBEDO\n#if defined(ALPHAFROMALBEDO) || defined(ALPHATEST)\nalpha*=albedoTexture.a;\n#endif\n#ifdef GAMMAALBEDO\nsurfaceAlbedo*=toLinearSpace(albedoTexture.rgb);\n#else\nsurfaceAlbedo*=albedoTexture.rgb;\n#endif\nsurfaceAlbedo*=albedoInfos.y;\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nsurfaceAlbedo*=vColor.rgb;\n#endif\n#ifdef DETAIL\nfloat detailAlbedo=2.0*mix(0.5,detailColor.r,vDetailInfos.y);\nsurfaceAlbedo.rgb=surfaceAlbedo.rgb*detailAlbedo*detailAlbedo; \n#endif\n#define CUSTOM_FRAGMENT_UPDATE_ALBEDO\n#ifdef OPACITY\n#ifdef OPACITYRGB\nalpha=getLuminance(opacityMap.rgb);\n#else\nalpha*=opacityMap.a;\n#endif\nalpha*=vOpacityInfos.y;\n#endif\n#ifdef VERTEXALPHA\nalpha*=vColor.a;\n#endif\n#if !defined(SS_LINKREFRACTIONTOTRANSPARENCY) && !defined(ALPHAFRESNEL)\n#ifdef ALPHATEST\nif (alpha<ALPHATESTVALUE)\ndiscard;\n#ifndef ALPHABLEND\nalpha=1.0;\n#endif\n#endif\n#endif\noutParams.surfaceAlbedo=surfaceAlbedo;\noutParams.alpha=alpha;\n}\n";
        Pt.IncludesShadersStore.pbrBlockReflectivity = "struct reflectivityOutParams\n{\nfloat microSurface;\nfloat roughness;\nvec3 surfaceReflectivityColor;\n#ifdef METALLICWORKFLOW\nvec3 surfaceAlbedo;\n#endif\n#if defined(METALLICWORKFLOW) && defined(REFLECTIVITY) && defined(AOSTOREINMETALMAPRED)\nvec3 ambientOcclusionColor;\n#endif\n#if DEBUGMODE>0\nvec4 surfaceMetallicColorMap;\nvec4 surfaceReflectivityColorMap;\nvec2 metallicRoughness;\nvec3 metallicF0;\n#endif\n};\n#define pbr_inline\nvoid reflectivityBlock(\nin vec4 vReflectivityColor,\n#ifdef METALLICWORKFLOW\nin vec3 surfaceAlbedo,\nin vec4 metallicReflectanceFactors,\n#endif\n#ifdef REFLECTIVITY\nin vec3 reflectivityInfos,\nin vec4 surfaceMetallicOrReflectivityColorMap,\n#endif\n#if defined(METALLICWORKFLOW) && defined(REFLECTIVITY) && defined(AOSTOREINMETALMAPRED)\nin vec3 ambientOcclusionColorIn,\n#endif\n#ifdef MICROSURFACEMAP\nin vec4 microSurfaceTexel,\n#endif\n#ifdef DETAIL\nin vec4 detailColor,\nin vec4 vDetailInfos,\n#endif\nout reflectivityOutParams outParams\n)\n{\nfloat microSurface=vReflectivityColor.a;\nvec3 surfaceReflectivityColor=vReflectivityColor.rgb;\n#ifdef METALLICWORKFLOW\nvec2 metallicRoughness=surfaceReflectivityColor.rg;\n#ifdef REFLECTIVITY\n#if DEBUGMODE>0\noutParams.surfaceMetallicColorMap=surfaceMetallicOrReflectivityColorMap;\n#endif\n#ifdef AOSTOREINMETALMAPRED\nvec3 aoStoreInMetalMap=vec3(surfaceMetallicOrReflectivityColorMap.r,surfaceMetallicOrReflectivityColorMap.r,surfaceMetallicOrReflectivityColorMap.r);\noutParams.ambientOcclusionColor=mix(ambientOcclusionColorIn,aoStoreInMetalMap,reflectivityInfos.z);\n#endif\n#ifdef METALLNESSSTOREINMETALMAPBLUE\nmetallicRoughness.r*=surfaceMetallicOrReflectivityColorMap.b;\n#else\nmetallicRoughness.r*=surfaceMetallicOrReflectivityColorMap.r;\n#endif\n#ifdef ROUGHNESSSTOREINMETALMAPALPHA\nmetallicRoughness.g*=surfaceMetallicOrReflectivityColorMap.a;\n#else\n#ifdef ROUGHNESSSTOREINMETALMAPGREEN\nmetallicRoughness.g*=surfaceMetallicOrReflectivityColorMap.g;\n#endif\n#endif\n#endif\n#ifdef DETAIL\nfloat detailRoughness=mix(0.5,detailColor.b,vDetailInfos.w);\nfloat loLerp=mix(0.,metallicRoughness.g,detailRoughness*2.);\nfloat hiLerp=mix(metallicRoughness.g,1.,(detailRoughness-0.5)*2.);\nmetallicRoughness.g=mix(loLerp,hiLerp,step(detailRoughness,0.5));\n#endif\n#ifdef MICROSURFACEMAP\nmetallicRoughness.g*=microSurfaceTexel.r;\n#endif\n#if DEBUGMODE>0\noutParams.metallicRoughness=metallicRoughness;\n#endif\n#define CUSTOM_FRAGMENT_UPDATE_METALLICROUGHNESS\nmicroSurface=1.0-metallicRoughness.g;\nvec3 baseColor=surfaceAlbedo;\n#ifdef FROSTBITE_REFLECTANCE\noutParams.surfaceAlbedo=baseColor.rgb*(1.0-metallicRoughness.r);\nsurfaceReflectivityColor=mix(0.16*reflectance*reflectance,baseColor,metallicRoughness.r);\n#else\nvec3 metallicF0=metallicReflectanceFactors.rgb;\n#if DEBUGMODE>0\noutParams.metallicF0=metallicF0;\n#endif\noutParams.surfaceAlbedo=mix(baseColor.rgb*(1.0-metallicF0),vec3(0.,0.,0.),metallicRoughness.r);\nsurfaceReflectivityColor=mix(metallicF0,baseColor,metallicRoughness.r);\n#endif\n#else\n#ifdef REFLECTIVITY\nsurfaceReflectivityColor*=surfaceMetallicOrReflectivityColorMap.rgb;\n#if DEBUGMODE>0\noutParams.surfaceReflectivityColorMap=surfaceMetallicOrReflectivityColorMap;\n#endif\n#ifdef MICROSURFACEFROMREFLECTIVITYMAP\nmicroSurface*=surfaceMetallicOrReflectivityColorMap.a;\nmicroSurface*=reflectivityInfos.z;\n#else\n#ifdef MICROSURFACEAUTOMATIC\nmicroSurface*=computeDefaultMicroSurface(microSurface,surfaceReflectivityColor);\n#endif\n#ifdef MICROSURFACEMAP\nmicroSurface*=microSurfaceTexel.r;\n#endif\n#define CUSTOM_FRAGMENT_UPDATE_MICROSURFACE\n#endif\n#endif\n#endif\nmicroSurface=saturate(microSurface);\nfloat roughness=1.-microSurface;\noutParams.microSurface=microSurface;\noutParams.roughness=roughness;\noutParams.surfaceReflectivityColor=surfaceReflectivityColor;\n}\n";
        Pt.IncludesShadersStore.pbrBlockAmbientOcclusion = "struct ambientOcclusionOutParams\n{\nvec3 ambientOcclusionColor;\n#if DEBUGMODE>0\nvec3 ambientOcclusionColorMap;\n#endif\n};\n#define pbr_inline\nvoid ambientOcclusionBlock(\n#ifdef AMBIENT\nin vec3 ambientOcclusionColorMap_,\nin vec4 vAmbientInfos,\n#endif\nout ambientOcclusionOutParams outParams\n)\n{\nvec3 ambientOcclusionColor=vec3(1.,1.,1.);\n#ifdef AMBIENT\nvec3 ambientOcclusionColorMap=ambientOcclusionColorMap_*vAmbientInfos.y;\n#ifdef AMBIENTINGRAYSCALE\nambientOcclusionColorMap=vec3(ambientOcclusionColorMap.r,ambientOcclusionColorMap.r,ambientOcclusionColorMap.r);\n#endif\nambientOcclusionColor=mix(ambientOcclusionColor,ambientOcclusionColorMap,vAmbientInfos.z);\n#if DEBUGMODE>0\noutParams.ambientOcclusionColorMap=ambientOcclusionColorMap;\n#endif\n#endif\noutParams.ambientOcclusionColor=ambientOcclusionColor;\n}\n";
        Pt.IncludesShadersStore.pbrBlockAlphaFresnel = "#ifdef ALPHAFRESNEL\n#if defined(ALPHATEST) || defined(ALPHABLEND)\nstruct alphaFresnelOutParams\n{\nfloat alpha;\n};\n#define pbr_inline\nvoid alphaFresnelBlock(\nin vec3 normalW,\nin vec3 viewDirectionW,\nin float alpha,\nin float microSurface,\nout alphaFresnelOutParams outParams\n)\n{\nfloat opacityPerceptual=alpha;\n#ifdef LINEARALPHAFRESNEL\nfloat opacity0=opacityPerceptual;\n#else\nfloat opacity0=opacityPerceptual*opacityPerceptual;\n#endif\nfloat opacity90=fresnelGrazingReflectance(opacity0);\nvec3 normalForward=faceforward(normalW,-viewDirectionW,normalW);\noutParams.alpha=getReflectanceFromAnalyticalBRDFLookup_Jones(saturate(dot(viewDirectionW,normalForward)),vec3(opacity0),vec3(opacity90),sqrt(microSurface)).x;\n#ifdef ALPHATEST\nif (outParams.alpha<ALPHATESTVALUE)\ndiscard;\n#ifndef ALPHABLEND\noutParams.alpha=1.0;\n#endif\n#endif\n}\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockAnisotropic = "#ifdef ANISOTROPIC\nstruct anisotropicOutParams\n{\nfloat anisotropy;\nvec3 anisotropicTangent;\nvec3 anisotropicBitangent;\nvec3 anisotropicNormal;\n#if DEBUGMODE>0\nvec3 anisotropyMapData;\n#endif\n};\n#define pbr_inline\nvoid anisotropicBlock(\nin vec3 vAnisotropy,\n#ifdef ANISOTROPIC_TEXTURE\nin vec3 anisotropyMapData,\n#endif\nin mat3 TBN,\nin vec3 normalW,\nin vec3 viewDirectionW,\nout anisotropicOutParams outParams\n)\n{\nfloat anisotropy=vAnisotropy.b;\nvec3 anisotropyDirection=vec3(vAnisotropy.xy,0.);\n#ifdef ANISOTROPIC_TEXTURE\nanisotropy*=anisotropyMapData.b;\nanisotropyDirection.rg*=anisotropyMapData.rg*2.0-1.0;\n#if DEBUGMODE>0\noutParams.anisotropyMapData=anisotropyMapData;\n#endif\n#endif\nmat3 anisoTBN=mat3(normalize(TBN[0]),normalize(TBN[1]),normalize(TBN[2]));\nvec3 anisotropicTangent=normalize(anisoTBN*anisotropyDirection);\nvec3 anisotropicBitangent=normalize(cross(anisoTBN[2],anisotropicTangent));\noutParams.anisotropy=anisotropy;\noutParams.anisotropicTangent=anisotropicTangent;\noutParams.anisotropicBitangent=anisotropicBitangent;\noutParams.anisotropicNormal=getAnisotropicBentNormals(anisotropicTangent,anisotropicBitangent,normalW,viewDirectionW,anisotropy);\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockReflection = "#ifdef REFLECTION\nstruct reflectionOutParams\n{\nvec4 environmentRadiance;\nvec3 environmentIrradiance;\n#ifdef REFLECTIONMAP_3D\nvec3 reflectionCoords;\n#else\nvec2 reflectionCoords;\n#endif\n#ifdef SS_TRANSLUCENCY\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\nvec3 irradianceVector;\n#endif\n#endif\n#endif\n};\n#define pbr_inline\nvoid createReflectionCoords(\nin vec3 vPositionW,\nin vec3 normalW,\n#ifdef ANISOTROPIC\nin anisotropicOutParams anisotropicOut,\n#endif\n#ifdef REFLECTIONMAP_3D\nout vec3 reflectionCoords\n#else\nout vec2 reflectionCoords\n#endif\n)\n{\n#ifdef ANISOTROPIC\nvec3 reflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),anisotropicOut.anisotropicNormal);\n#else\nvec3 reflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),normalW);\n#endif\n#ifdef REFLECTIONMAP_OPPOSITEZ\nreflectionVector.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\nreflectionCoords=reflectionVector;\n#else\nreflectionCoords=reflectionVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nreflectionCoords/=reflectionVector.z;\n#endif\nreflectionCoords.y=1.0-reflectionCoords.y;\n#endif\n}\n#define pbr_inline\n#define inline\nvoid sampleReflectionTexture(\nin float alphaG,\nin vec3 vReflectionMicrosurfaceInfos,\nin vec2 vReflectionInfos,\nin vec3 vReflectionColor,\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nin float NdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nin float roughness,\n#endif\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSampler,\nconst vec3 reflectionCoords,\n#else\nin sampler2D reflectionSampler,\nconst vec2 reflectionCoords,\n#endif\n#ifndef LODBASEDMICROSFURACE\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSamplerLow,\nin samplerCube reflectionSamplerHigh,\n#else\nin sampler2D reflectionSamplerLow,\nin sampler2D reflectionSamplerHigh,\n#endif\n#endif\n#ifdef REALTIME_FILTERING\nin vec2 vReflectionFilteringInfo,\n#endif\nout vec4 environmentRadiance\n)\n{\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nfloat reflectionLOD=getLodFromAlphaG(vReflectionMicrosurfaceInfos.x,alphaG,NdotVUnclamped);\n#elif defined(LINEARSPECULARREFLECTION)\nfloat reflectionLOD=getLinearLodFromRoughness(vReflectionMicrosurfaceInfos.x,roughness);\n#else\nfloat reflectionLOD=getLodFromAlphaG(vReflectionMicrosurfaceInfos.x,alphaG);\n#endif\n#ifdef LODBASEDMICROSFURACE\nreflectionLOD=reflectionLOD*vReflectionMicrosurfaceInfos.y+vReflectionMicrosurfaceInfos.z;\n#ifdef LODINREFLECTIONALPHA\nfloat automaticReflectionLOD=UNPACK_LOD(sampleReflection(reflectionSampler,reflectionCoords).a);\nfloat requestedReflectionLOD=max(automaticReflectionLOD,reflectionLOD);\n#else\nfloat requestedReflectionLOD=reflectionLOD;\n#endif\n#ifdef REALTIME_FILTERING\nenvironmentRadiance=vec4(radiance(alphaG,reflectionSampler,reflectionCoords,vReflectionFilteringInfo),1.0);\n#else\nenvironmentRadiance=sampleReflectionLod(reflectionSampler,reflectionCoords,reflectionLOD);\n#endif\n#else\nfloat lodReflectionNormalized=saturate(reflectionLOD/log2(vReflectionMicrosurfaceInfos.x));\nfloat lodReflectionNormalizedDoubled=lodReflectionNormalized*2.0;\nvec4 environmentMid=sampleReflection(reflectionSampler,reflectionCoords);\nif (lodReflectionNormalizedDoubled<1.0){\nenvironmentRadiance=mix(\nsampleReflection(reflectionSamplerHigh,reflectionCoords),\nenvironmentMid,\nlodReflectionNormalizedDoubled\n);\n} else {\nenvironmentRadiance=mix(\nenvironmentMid,\nsampleReflection(reflectionSamplerLow,reflectionCoords),\nlodReflectionNormalizedDoubled-1.0\n);\n}\n#endif\n#ifdef RGBDREFLECTION\nenvironmentRadiance.rgb=fromRGBD(environmentRadiance);\n#endif\n#ifdef GAMMAREFLECTION\nenvironmentRadiance.rgb=toLinearSpace(environmentRadiance.rgb);\n#endif\nenvironmentRadiance.rgb*=vReflectionInfos.x;\nenvironmentRadiance.rgb*=vReflectionColor.rgb;\n}\n#define pbr_inline\n#define inline\nvoid reflectionBlock(\nin vec3 vPositionW,\nin vec3 normalW,\nin float alphaG,\nin vec3 vReflectionMicrosurfaceInfos,\nin vec2 vReflectionInfos,\nin vec3 vReflectionColor,\n#ifdef ANISOTROPIC\nin anisotropicOutParams anisotropicOut,\n#endif\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nin float NdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nin float roughness,\n#endif\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSampler,\n#else\nin sampler2D reflectionSampler,\n#endif\n#if defined(NORMAL) && defined(USESPHERICALINVERTEX)\nin vec3 vEnvironmentIrradiance,\n#endif\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\nin mat4 reflectionMatrix,\n#endif\n#endif\n#ifdef USEIRRADIANCEMAP\n#ifdef REFLECTIONMAP_3D\nin samplerCube irradianceSampler,\n#else\nin sampler2D irradianceSampler,\n#endif\n#endif\n#ifndef LODBASEDMICROSFURACE\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSamplerLow,\nin samplerCube reflectionSamplerHigh,\n#else\nin sampler2D reflectionSamplerLow,\nin sampler2D reflectionSamplerHigh,\n#endif\n#endif\n#ifdef REALTIME_FILTERING\nin vec2 vReflectionFilteringInfo,\n#endif\nout reflectionOutParams outParams\n)\n{\nvec4 environmentRadiance=vec4(0.,0.,0.,0.);\n#ifdef REFLECTIONMAP_3D\nvec3 reflectionCoords=vec3(0.);\n#else\nvec2 reflectionCoords=vec2(0.);\n#endif\ncreateReflectionCoords(\nvPositionW,\nnormalW,\n#ifdef ANISOTROPIC\nanisotropicOut,\n#endif\nreflectionCoords\n);\nsampleReflectionTexture(\nalphaG,\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nNdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nroughness,\n#endif\n#ifdef REFLECTIONMAP_3D\nreflectionSampler,\nreflectionCoords,\n#else\nreflectionSampler,\nreflectionCoords,\n#endif\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\nenvironmentRadiance\n);\nvec3 environmentIrradiance=vec3(0.,0.,0.);\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if defined(NORMAL) && defined(USESPHERICALINVERTEX)\nenvironmentIrradiance=vEnvironmentIrradiance;\n#else\n#ifdef ANISOTROPIC\nvec3 irradianceVector=vec3(reflectionMatrix*vec4(anisotropicOut.anisotropicNormal,0)).xyz;\n#else\nvec3 irradianceVector=vec3(reflectionMatrix*vec4(normalW,0)).xyz;\n#endif\n#ifdef REFLECTIONMAP_OPPOSITEZ\nirradianceVector.z*=-1.0;\n#endif\n#ifdef INVERTCUBICMAP\nirradianceVector.y*=-1.0;\n#endif\n#if defined(REALTIME_FILTERING)\nenvironmentIrradiance=irradiance(reflectionSampler,irradianceVector,vReflectionFilteringInfo);\n#else\nenvironmentIrradiance=computeEnvironmentIrradiance(irradianceVector);\n#endif\n#ifdef SS_TRANSLUCENCY\noutParams.irradianceVector=irradianceVector;\n#endif\n#endif\n#elif defined(USEIRRADIANCEMAP)\nvec4 environmentIrradiance4=sampleReflection(irradianceSampler,reflectionCoords);\nenvironmentIrradiance=environmentIrradiance4.rgb;\n#ifdef RGBDREFLECTION\nenvironmentIrradiance.rgb=fromRGBD(environmentIrradiance4);\n#endif\n#ifdef GAMMAREFLECTION\nenvironmentIrradiance.rgb=toLinearSpace(environmentIrradiance.rgb);\n#endif\n#endif\nenvironmentIrradiance*=vReflectionColor.rgb;\noutParams.environmentRadiance=environmentRadiance;\noutParams.environmentIrradiance=environmentIrradiance;\noutParams.reflectionCoords=reflectionCoords;\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockSheen = "#ifdef SHEEN\nstruct sheenOutParams\n{\nfloat sheenIntensity;\nvec3 sheenColor;\nfloat sheenRoughness;\n#ifdef SHEEN_LINKWITHALBEDO\nvec3 surfaceAlbedo;\n#endif\n#if defined(ENVIRONMENTBRDF) && defined(SHEEN_ALBEDOSCALING)\nfloat sheenAlbedoScaling;\n#endif\n#if defined(REFLECTION) && defined(ENVIRONMENTBRDF)\nvec3 finalSheenRadianceScaled;\n#endif\n#if DEBUGMODE>0\nvec4 sheenMapData;\nvec3 sheenEnvironmentReflectance;\n#endif\n};\n#define pbr_inline\n#define inline\nvoid sheenBlock(\nin vec4 vSheenColor,\n#ifdef SHEEN_ROUGHNESS\nin float vSheenRoughness,\n#if defined(SHEEN_TEXTURE_ROUGHNESS) && !defined(SHEEN_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE)\nin vec4 sheenMapRoughnessData,\n#endif\n#endif\nin float roughness,\n#ifdef SHEEN_TEXTURE\nin vec4 sheenMapData,\nin float sheenMapLevel,\n#endif\nin float reflectance,\n#ifdef SHEEN_LINKWITHALBEDO\nin vec3 baseColor,\nin vec3 surfaceAlbedo,\n#endif\n#ifdef ENVIRONMENTBRDF\nin float NdotV,\nin vec3 environmentBrdf,\n#endif\n#if defined(REFLECTION) && defined(ENVIRONMENTBRDF)\nin vec2 AARoughnessFactors,\nin vec3 vReflectionMicrosurfaceInfos,\nin vec2 vReflectionInfos,\nin vec3 vReflectionColor,\nin vec4 vLightingIntensity,\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSampler,\nin vec3 reflectionCoords,\n#else\nin sampler2D reflectionSampler,\nin vec2 reflectionCoords,\n#endif\nin float NdotVUnclamped,\n#ifndef LODBASEDMICROSFURACE\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSamplerLow,\nin samplerCube reflectionSamplerHigh,\n#else\nin sampler2D reflectionSamplerLow,\nin sampler2D reflectionSamplerHigh,\n#endif\n#endif\n#ifdef REALTIME_FILTERING\nin vec2 vReflectionFilteringInfo,\n#endif\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(RADIANCEOCCLUSION)\nin float seo,\n#endif\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(HORIZONOCCLUSION) && defined(BUMP) && defined(REFLECTIONMAP_3D)\nin float eho,\n#endif\n#endif\nout sheenOutParams outParams\n)\n{\nfloat sheenIntensity=vSheenColor.a;\n#ifdef SHEEN_TEXTURE\n#if DEBUGMODE>0\noutParams.sheenMapData=sheenMapData;\n#endif\n#endif\n#ifdef SHEEN_LINKWITHALBEDO\nfloat sheenFactor=pow5(1.0-sheenIntensity);\nvec3 sheenColor=baseColor.rgb*(1.0-sheenFactor);\nfloat sheenRoughness=sheenIntensity;\noutParams.surfaceAlbedo=surfaceAlbedo*sheenFactor;\n#ifdef SHEEN_TEXTURE\nsheenIntensity*=sheenMapData.a;\n#endif\n#else\nvec3 sheenColor=vSheenColor.rgb;\n#ifdef SHEEN_TEXTURE\n#ifdef SHEEN_GAMMATEXTURE\nsheenColor.rgb*=toLinearSpace(sheenMapData.rgb);\n#else\nsheenColor.rgb*=sheenMapData.rgb;\n#endif\nsheenColor.rgb*=sheenMapLevel;\n#endif\n#ifdef SHEEN_ROUGHNESS\nfloat sheenRoughness=vSheenRoughness;\n#ifdef SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE\n#if defined(SHEEN_TEXTURE)\nsheenRoughness*=sheenMapData.a;\n#endif\n#elif defined(SHEEN_TEXTURE_ROUGHNESS)\n#ifdef SHEEN_TEXTURE_ROUGHNESS_IDENTICAL\nsheenRoughness*=sheenMapData.a;\n#else\nsheenRoughness*=sheenMapRoughnessData.a;\n#endif\n#endif\n#else\nfloat sheenRoughness=roughness;\n#ifdef SHEEN_TEXTURE\nsheenIntensity*=sheenMapData.a;\n#endif\n#endif\n#if !defined(SHEEN_ALBEDOSCALING)\nsheenIntensity*=(1.-reflectance);\n#endif\nsheenColor*=sheenIntensity;\n#endif\n#ifdef ENVIRONMENTBRDF\n/*#ifdef SHEEN_SOFTER\nvec3 environmentSheenBrdf=vec3(0.,0.,getBRDFLookupCharlieSheen(NdotV,sheenRoughness));\n#else*/\n#ifdef SHEEN_ROUGHNESS\nvec3 environmentSheenBrdf=getBRDFLookup(NdotV,sheenRoughness);\n#else\nvec3 environmentSheenBrdf=environmentBrdf;\n#endif\n/*#endif*/\n#endif\n#if defined(REFLECTION) && defined(ENVIRONMENTBRDF)\nfloat sheenAlphaG=convertRoughnessToAverageSlope(sheenRoughness);\n#ifdef SPECULARAA\nsheenAlphaG+=AARoughnessFactors.y;\n#endif\nvec4 environmentSheenRadiance=vec4(0.,0.,0.,0.);\nsampleReflectionTexture(\nsheenAlphaG,\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nNdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nsheenRoughness,\n#endif\nreflectionSampler,\nreflectionCoords,\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\nenvironmentSheenRadiance\n);\nvec3 sheenEnvironmentReflectance=getSheenReflectanceFromBRDFLookup(sheenColor,environmentSheenBrdf);\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(RADIANCEOCCLUSION)\nsheenEnvironmentReflectance*=seo;\n#endif\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(HORIZONOCCLUSION) && defined(BUMP) && defined(REFLECTIONMAP_3D)\nsheenEnvironmentReflectance*=eho;\n#endif\n#if DEBUGMODE>0\noutParams.sheenEnvironmentReflectance=sheenEnvironmentReflectance;\n#endif\noutParams.finalSheenRadianceScaled=\nenvironmentSheenRadiance.rgb *\nsheenEnvironmentReflectance *\nvLightingIntensity.z;\n#endif\n#if defined(ENVIRONMENTBRDF) && defined(SHEEN_ALBEDOSCALING)\noutParams.sheenAlbedoScaling=1.0-sheenIntensity*max(max(sheenColor.r,sheenColor.g),sheenColor.b)*environmentSheenBrdf.b;\n#endif\noutParams.sheenIntensity=sheenIntensity;\noutParams.sheenColor=sheenColor;\noutParams.sheenRoughness=sheenRoughness;\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockClearcoat = "struct clearcoatOutParams\n{\nvec3 specularEnvironmentR0;\nfloat conservationFactor;\nvec3 clearCoatNormalW;\nvec2 clearCoatAARoughnessFactors;\nfloat clearCoatIntensity;\nfloat clearCoatRoughness;\n#ifdef REFLECTION\nvec3 finalClearCoatRadianceScaled;\n#endif\n#ifdef CLEARCOAT_TINT\nvec3 absorption;\nfloat clearCoatNdotVRefract;\nvec3 clearCoatColor;\nfloat clearCoatThickness;\n#endif\n#if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)\nvec3 energyConservationFactorClearCoat;\n#endif\n#if DEBUGMODE>0\nmat3 TBNClearCoat;\nvec2 clearCoatMapData;\nvec4 clearCoatTintMapData;\nvec4 environmentClearCoatRadiance;\nfloat clearCoatNdotV;\nvec3 clearCoatEnvironmentReflectance;\n#endif\n};\n#ifdef CLEARCOAT\n#define pbr_inline\n#define inline\nvoid clearcoatBlock(\nin vec3 vPositionW,\nin vec3 geometricNormalW,\nin vec3 viewDirectionW,\nin vec2 vClearCoatParams,\n#if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)\nin vec4 clearCoatMapRoughnessData,\n#endif\nin vec3 specularEnvironmentR0,\n#ifdef CLEARCOAT_TEXTURE\nin vec2 clearCoatMapData,\n#endif\n#ifdef CLEARCOAT_TINT\nin vec4 vClearCoatTintParams,\nin float clearCoatColorAtDistance,\nin vec4 vClearCoatRefractionParams,\n#ifdef CLEARCOAT_TINT_TEXTURE\nin vec4 clearCoatTintMapData,\n#endif\n#endif\n#ifdef CLEARCOAT_BUMP\nin vec2 vClearCoatBumpInfos,\nin vec4 clearCoatBumpMapData,\nin vec2 vClearCoatBumpUV,\n#if defined(TANGENT) && defined(NORMAL)\nin mat3 vTBN,\n#else\nin vec2 vClearCoatTangentSpaceParams,\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\nin mat4 normalMatrix,\n#endif\n#endif\n#if defined(FORCENORMALFORWARD) && defined(NORMAL)\nin vec3 faceNormal,\n#endif\n#ifdef REFLECTION\nin vec3 vReflectionMicrosurfaceInfos,\nin vec2 vReflectionInfos,\nin vec3 vReflectionColor,\nin vec4 vLightingIntensity,\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSampler,\n#else\nin sampler2D reflectionSampler,\n#endif\n#ifndef LODBASEDMICROSFURACE\n#ifdef REFLECTIONMAP_3D\nin samplerCube reflectionSamplerLow,\nin samplerCube reflectionSamplerHigh,\n#else\nin sampler2D reflectionSamplerLow,\nin sampler2D reflectionSamplerHigh,\n#endif\n#endif\n#ifdef REALTIME_FILTERING\nin vec2 vReflectionFilteringInfo,\n#endif\n#endif\n#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\n#ifdef RADIANCEOCCLUSION\nin float ambientMonochrome,\n#endif\n#endif\n#if defined(CLEARCOAT_BUMP) || defined(TWOSIDEDLIGHTING)\nin float frontFacingMultiplier,\n#endif\nout clearcoatOutParams outParams\n)\n{\nfloat clearCoatIntensity=vClearCoatParams.x;\nfloat clearCoatRoughness=vClearCoatParams.y;\n#ifdef CLEARCOAT_TEXTURE\nclearCoatIntensity*=clearCoatMapData.x;\n#ifdef CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE\nclearCoatRoughness*=clearCoatMapData.y;\n#endif\n#if DEBUGMODE>0\noutParams.clearCoatMapData=clearCoatMapData;\n#endif\n#endif\n#if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)\n#ifdef CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL\nclearCoatRoughness*=clearCoatMapData.y;\n#else\nclearCoatRoughness*=clearCoatMapRoughnessData.y;\n#endif\n#endif\noutParams.clearCoatIntensity=clearCoatIntensity;\noutParams.clearCoatRoughness=clearCoatRoughness;\n#ifdef CLEARCOAT_TINT\nvec3 clearCoatColor=vClearCoatTintParams.rgb;\nfloat clearCoatThickness=vClearCoatTintParams.a;\n#ifdef CLEARCOAT_TINT_TEXTURE\n#ifdef CLEARCOAT_TINT_GAMMATEXTURE\nclearCoatColor*=toLinearSpace(clearCoatTintMapData.rgb);\n#else\nclearCoatColor*=clearCoatTintMapData.rgb;\n#endif\nclearCoatThickness*=clearCoatTintMapData.a;\n#if DEBUGMODE>0\noutParams.clearCoatTintMapData=clearCoatTintMapData;\n#endif\n#endif\noutParams.clearCoatColor=computeColorAtDistanceInMedia(clearCoatColor,clearCoatColorAtDistance);\noutParams.clearCoatThickness=clearCoatThickness;\n#endif\n#ifdef CLEARCOAT_REMAP_F0\nvec3 specularEnvironmentR0Updated=getR0RemappedForClearCoat(specularEnvironmentR0);\n#else\nvec3 specularEnvironmentR0Updated=specularEnvironmentR0;\n#endif\noutParams.specularEnvironmentR0=mix(specularEnvironmentR0,specularEnvironmentR0Updated,clearCoatIntensity);\nvec3 clearCoatNormalW=geometricNormalW;\n#ifdef CLEARCOAT_BUMP\n#ifdef NORMALXYSCALE\nfloat clearCoatNormalScale=1.0;\n#else\nfloat clearCoatNormalScale=vClearCoatBumpInfos.y;\n#endif\n#if defined(TANGENT) && defined(NORMAL)\nmat3 TBNClearCoat=vTBN;\n#else\nvec2 TBNClearCoatUV=vClearCoatBumpUV*frontFacingMultiplier;\nmat3 TBNClearCoat=cotangent_frame(clearCoatNormalW*clearCoatNormalScale,vPositionW,TBNClearCoatUV,vClearCoatTangentSpaceParams);\n#endif\n#if DEBUGMODE>0\noutParams.TBNClearCoat=TBNClearCoat;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\nclearCoatNormalW=normalize(clearCoatBumpMapData.xyz *2.0-1.0);\nclearCoatNormalW=normalize(mat3(normalMatrix)*clearCoatNormalW);\n#else\nclearCoatNormalW=perturbNormal(TBNClearCoat,clearCoatBumpMapData.xyz,vClearCoatBumpInfos.y);\n#endif\n#endif\n#if defined(FORCENORMALFORWARD) && defined(NORMAL)\nclearCoatNormalW*=sign(dot(clearCoatNormalW,faceNormal));\n#endif\n#if defined(TWOSIDEDLIGHTING) && defined(NORMAL)\nclearCoatNormalW=clearCoatNormalW*frontFacingMultiplier;\n#endif\noutParams.clearCoatNormalW=clearCoatNormalW;\noutParams.clearCoatAARoughnessFactors=getAARoughnessFactors(clearCoatNormalW.xyz);\nfloat clearCoatNdotVUnclamped=dot(clearCoatNormalW,viewDirectionW);\nfloat clearCoatNdotV=absEps(clearCoatNdotVUnclamped);\n#if DEBUGMODE>0\noutParams.clearCoatNdotV=clearCoatNdotV;\n#endif\n#ifdef CLEARCOAT_TINT\nvec3 clearCoatVRefract=-refract(vPositionW,clearCoatNormalW,vClearCoatRefractionParams.y);\noutParams.clearCoatNdotVRefract=absEps(dot(clearCoatNormalW,clearCoatVRefract));\n#endif\n#if defined(ENVIRONMENTBRDF) && (!defined(REFLECTIONMAP_SKYBOX) || defined(MS_BRDF_ENERGY_CONSERVATION))\nvec3 environmentClearCoatBrdf=getBRDFLookup(clearCoatNdotV,clearCoatRoughness);\n#endif\n#if defined(REFLECTION)\nfloat clearCoatAlphaG=convertRoughnessToAverageSlope(clearCoatRoughness);\n#ifdef SPECULARAA\nclearCoatAlphaG+=outParams.clearCoatAARoughnessFactors.y;\n#endif\nvec4 environmentClearCoatRadiance=vec4(0.,0.,0.,0.);\nvec3 clearCoatReflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),clearCoatNormalW);\n#ifdef REFLECTIONMAP_OPPOSITEZ\nclearCoatReflectionVector.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\nvec3 clearCoatReflectionCoords=clearCoatReflectionVector;\n#else\nvec2 clearCoatReflectionCoords=clearCoatReflectionVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nclearCoatReflectionCoords/=clearCoatReflectionVector.z;\n#endif\nclearCoatReflectionCoords.y=1.0-clearCoatReflectionCoords.y;\n#endif\nsampleReflectionTexture(\nclearCoatAlphaG,\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nclearCoatNdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nclearCoatRoughness,\n#endif\nreflectionSampler,\nclearCoatReflectionCoords,\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\nenvironmentClearCoatRadiance\n);\n#if DEBUGMODE>0\noutParams.environmentClearCoatRadiance=environmentClearCoatRadiance;\n#endif\n#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\nvec3 clearCoatEnvironmentReflectance=getReflectanceFromBRDFLookup(vec3(vClearCoatRefractionParams.x),environmentClearCoatBrdf);\n#ifdef RADIANCEOCCLUSION\nfloat clearCoatSeo=environmentRadianceOcclusion(ambientMonochrome,clearCoatNdotVUnclamped);\nclearCoatEnvironmentReflectance*=clearCoatSeo;\n#endif\n#ifdef HORIZONOCCLUSION\n#ifdef BUMP\n#ifdef REFLECTIONMAP_3D\nfloat clearCoatEho=environmentHorizonOcclusion(-viewDirectionW,clearCoatNormalW,geometricNormalW);\nclearCoatEnvironmentReflectance*=clearCoatEho;\n#endif\n#endif\n#endif\n#else\nvec3 clearCoatEnvironmentReflectance=getReflectanceFromAnalyticalBRDFLookup_Jones(clearCoatNdotV,vec3(1.),vec3(1.),sqrt(1.-clearCoatRoughness));\n#endif\nclearCoatEnvironmentReflectance*=clearCoatIntensity;\n#if DEBUGMODE>0\noutParams.clearCoatEnvironmentReflectance=clearCoatEnvironmentReflectance;\n#endif\noutParams.finalClearCoatRadianceScaled=\nenvironmentClearCoatRadiance.rgb *\nclearCoatEnvironmentReflectance *\nvLightingIntensity.z;\n#endif\n#if defined(CLEARCOAT_TINT)\noutParams.absorption=computeClearCoatAbsorption(outParams.clearCoatNdotVRefract,outParams.clearCoatNdotVRefract,outParams.clearCoatColor,clearCoatThickness,clearCoatIntensity);\n#endif\nfloat fresnelIBLClearCoat=fresnelSchlickGGX(clearCoatNdotV,vClearCoatRefractionParams.x,CLEARCOATREFLECTANCE90);\nfresnelIBLClearCoat*=clearCoatIntensity;\noutParams.conservationFactor=(1.-fresnelIBLClearCoat);\n#if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)\noutParams.energyConservationFactorClearCoat=getEnergyConservationFactor(outParams.specularEnvironmentR0,environmentClearCoatBrdf);\n#endif\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockSubSurface = "struct subSurfaceOutParams\n{\nvec3 specularEnvironmentReflectance;\n#ifdef SS_REFRACTION\nvec3 finalRefraction;\nvec3 surfaceAlbedo;\n#ifdef SS_LINKREFRACTIONTOTRANSPARENCY\nfloat alpha;\n#endif\n#ifdef REFLECTION\nfloat refractionFactorForIrradiance;\n#endif\n#endif\n#ifdef SS_TRANSLUCENCY\nvec3 transmittance;\nfloat translucencyIntensity;\n#ifdef REFLECTION\nvec3 refractionIrradiance;\n#endif\n#endif\n#if DEBUGMODE>0\nvec4 thicknessMap;\nvec4 environmentRefraction;\nvec3 refractionTransmittance;\n#endif\n};\n#ifdef SUBSURFACE\n#define pbr_inline\n#define inline\nvoid subSurfaceBlock(\nin vec3 vSubSurfaceIntensity,\nin vec2 vThicknessParam,\nin vec4 vTintColor,\nin vec3 normalW,\nin vec3 specularEnvironmentReflectance,\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nin vec4 thicknessMap,\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\nin vec4 refractionIntensityMap,\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\nin vec4 translucencyIntensityMap,\n#endif\n#ifdef REFLECTION\n#ifdef SS_TRANSLUCENCY\nin mat4 reflectionMatrix,\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\nin vec3 irradianceVector_,\n#endif\n#if defined(REALTIME_FILTERING)\nin samplerCube reflectionSampler,\nin vec2 vReflectionFilteringInfo,\n#endif\n#endif\n#ifdef USEIRRADIANCEMAP\n#ifdef REFLECTIONMAP_3D\nin samplerCube irradianceSampler,\n#else\nin sampler2D irradianceSampler,\n#endif\n#endif\n#endif\n#endif\n#if defined(SS_REFRACTION) || defined(SS_TRANSLUCENCY)\nin vec3 surfaceAlbedo,\n#endif\n#ifdef SS_REFRACTION\nin vec3 vPositionW,\nin vec3 viewDirectionW,\nin mat4 view,\nin vec4 vRefractionInfos,\nin mat4 refractionMatrix,\nin vec4 vRefractionMicrosurfaceInfos,\nin vec4 vLightingIntensity,\n#ifdef SS_LINKREFRACTIONTOTRANSPARENCY\nin float alpha,\n#endif\n#ifdef SS_LODINREFRACTIONALPHA\nin float NdotVUnclamped,\n#endif\n#ifdef SS_LINEARSPECULARREFRACTION\nin float roughness,\n#endif\nin float alphaG,\n#ifdef SS_REFRACTIONMAP_3D\nin samplerCube refractionSampler,\n#ifndef LODBASEDMICROSFURACE\nin samplerCube refractionSamplerLow,\nin samplerCube refractionSamplerHigh,\n#endif\n#else\nin sampler2D refractionSampler,\n#ifndef LODBASEDMICROSFURACE\nin sampler2D refractionSamplerLow,\nin sampler2D refractionSamplerHigh,\n#endif\n#endif\n#ifdef ANISOTROPIC\nin anisotropicOutParams anisotropicOut,\n#endif\n#ifdef REALTIME_FILTERING\nin vec2 vRefractionFilteringInfo,\n#endif\n#ifdef SS_USE_LOCAL_REFRACTIONMAP_CUBIC\nin vec3 refractionPosition,\nin vec3 refractionSize,\n#endif\n#endif\n#ifdef SS_TRANSLUCENCY\nin vec3 vDiffusionDistance,\n#endif\nout subSurfaceOutParams outParams\n)\n{\noutParams.specularEnvironmentReflectance=specularEnvironmentReflectance;\n#ifdef SS_REFRACTION\nfloat refractionIntensity=vSubSurfaceIntensity.x;\n#ifdef SS_LINKREFRACTIONTOTRANSPARENCY\nrefractionIntensity*=(1.0-alpha);\noutParams.alpha=1.0;\n#endif\n#endif\n#ifdef SS_TRANSLUCENCY\nfloat translucencyIntensity=vSubSurfaceIntensity.y;\n#endif\n#ifdef SS_THICKNESSANDMASK_TEXTURE\n#if defined(SS_USE_GLTF_TEXTURES)\nfloat thickness=thicknessMap.g*vThicknessParam.y+vThicknessParam.x;\n#else\nfloat thickness=thicknessMap.r*vThicknessParam.y+vThicknessParam.x;\n#endif\n#if DEBUGMODE>0\noutParams.thicknessMap=thicknessMap;\n#endif\n#ifdef SS_MASK_FROM_THICKNESS_TEXTURE\n#if defined(SS_REFRACTION) && defined(SS_REFRACTION_USE_INTENSITY_FROM_TEXTURE)\n#if defined(SS_USE_GLTF_TEXTURES)\nrefractionIntensity*=thicknessMap.r;\n#else\nrefractionIntensity*=thicknessMap.g;\n#endif\n#endif\n#if defined(SS_TRANSLUCENCY) && defined(SS_TRANSLUCENCY_USE_INTENSITY_FROM_TEXTURE)\ntranslucencyIntensity*=thicknessMap.b;\n#endif\n#endif\n#else\nfloat thickness=vThicknessParam.y;\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\n#ifdef SS_USE_GLTF_TEXTURES\nrefractionIntensity*=refractionIntensityMap.r;\n#else\nrefractionIntensity*=refractionIntensityMap.g;\n#endif\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\ntranslucencyIntensity*=translucencyIntensityMap.b;\n#endif\n#ifdef SS_TRANSLUCENCY\nthickness=maxEps(thickness);\nvec3 transmittance=transmittanceBRDF_Burley(vTintColor.rgb,vDiffusionDistance,thickness);\ntransmittance*=translucencyIntensity;\noutParams.transmittance=transmittance;\noutParams.translucencyIntensity=translucencyIntensity;\n#endif\n#ifdef SS_REFRACTION\nvec4 environmentRefraction=vec4(0.,0.,0.,0.);\n#ifdef ANISOTROPIC\nvec3 refractionVector=refract(-viewDirectionW,anisotropicOut.anisotropicNormal,vRefractionInfos.y);\n#else\nvec3 refractionVector=refract(-viewDirectionW,normalW,vRefractionInfos.y);\n#endif\n#ifdef SS_REFRACTIONMAP_OPPOSITEZ\nrefractionVector.z*=-1.0;\n#endif\n#ifdef SS_REFRACTIONMAP_3D\n#ifdef SS_USE_LOCAL_REFRACTIONMAP_CUBIC\nrefractionVector=parallaxCorrectNormal(vPositionW,refractionVector,refractionSize,refractionPosition);\n#endif\nrefractionVector.y=refractionVector.y*vRefractionInfos.w;\nvec3 refractionCoords=refractionVector;\nrefractionCoords=vec3(refractionMatrix*vec4(refractionCoords,0));\n#else\n#ifdef SS_USE_THICKNESS_AS_DEPTH\nvec3 vRefractionUVW=vec3(refractionMatrix*(view*vec4(vPositionW+refractionVector*thickness,1.0)));\n#else\nvec3 vRefractionUVW=vec3(refractionMatrix*(view*vec4(vPositionW+refractionVector*vRefractionInfos.z,1.0)));\n#endif\nvec2 refractionCoords=vRefractionUVW.xy/vRefractionUVW.z;\nrefractionCoords.y=1.0-refractionCoords.y;\n#endif\n#ifdef SS_HAS_THICKNESS\nfloat ior=vRefractionInfos.y;\n#else\nfloat ior=vRefractionMicrosurfaceInfos.w;\n#endif\n#ifdef SS_LODINREFRACTIONALPHA\nfloat refractionAlphaG=alphaG;\nrefractionAlphaG=mix(alphaG,0.0,clamp(ior*3.0-2.0,0.0,1.0));\nfloat refractionLOD=getLodFromAlphaG(vRefractionMicrosurfaceInfos.x,refractionAlphaG,NdotVUnclamped);\n#elif defined(SS_LINEARSPECULARREFRACTION)\nfloat refractionRoughness=alphaG;\nrefractionRoughness=mix(alphaG,0.0,clamp(ior*3.0-2.0,0.0,1.0));\nfloat refractionLOD=getLinearLodFromRoughness(vRefractionMicrosurfaceInfos.x,refractionRoughness);\n#else\nfloat refractionAlphaG=alphaG;\nrefractionAlphaG=mix(alphaG,0.0,clamp(ior*3.0-2.0,0.0,1.0));\nfloat refractionLOD=getLodFromAlphaG(vRefractionMicrosurfaceInfos.x,refractionAlphaG);\n#endif\n#ifdef LODBASEDMICROSFURACE\nrefractionLOD=refractionLOD*vRefractionMicrosurfaceInfos.y+vRefractionMicrosurfaceInfos.z;\n#ifdef SS_LODINREFRACTIONALPHA\nfloat automaticRefractionLOD=UNPACK_LOD(sampleRefraction(refractionSampler,refractionCoords).a);\nfloat requestedRefractionLOD=max(automaticRefractionLOD,refractionLOD);\n#else\nfloat requestedRefractionLOD=refractionLOD;\n#endif\n#ifdef REALTIME_FILTERING\nenvironmentRefraction=vec4(radiance(alphaG,refractionSampler,refractionCoords,vRefractionFilteringInfo),1.0);\n#else\nenvironmentRefraction=sampleRefractionLod(refractionSampler,refractionCoords,requestedRefractionLOD);\n#endif\n#else\nfloat lodRefractionNormalized=saturate(refractionLOD/log2(vRefractionMicrosurfaceInfos.x));\nfloat lodRefractionNormalizedDoubled=lodRefractionNormalized*2.0;\nvec4 environmentRefractionMid=sampleRefraction(refractionSampler,refractionCoords);\nif (lodRefractionNormalizedDoubled<1.0){\nenvironmentRefraction=mix(\nsampleRefraction(refractionSamplerHigh,refractionCoords),\nenvironmentRefractionMid,\nlodRefractionNormalizedDoubled\n);\n} else {\nenvironmentRefraction=mix(\nenvironmentRefractionMid,\nsampleRefraction(refractionSamplerLow,refractionCoords),\nlodRefractionNormalizedDoubled-1.0\n);\n}\n#endif\n#ifdef SS_RGBDREFRACTION\nenvironmentRefraction.rgb=fromRGBD(environmentRefraction);\n#endif\n#ifdef SS_GAMMAREFRACTION\nenvironmentRefraction.rgb=toLinearSpace(environmentRefraction.rgb);\n#endif\nenvironmentRefraction.rgb*=vRefractionInfos.x;\n#endif\n#ifdef SS_REFRACTION\nvec3 refractionTransmittance=vec3(refractionIntensity);\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nvec3 volumeAlbedo=computeColorAtDistanceInMedia(vTintColor.rgb,vTintColor.w);\nrefractionTransmittance*=cocaLambert(volumeAlbedo,thickness);\n#elif defined(SS_LINKREFRACTIONTOTRANSPARENCY)\nfloat maxChannel=max(max(surfaceAlbedo.r,surfaceAlbedo.g),surfaceAlbedo.b);\nvec3 volumeAlbedo=saturate(maxChannel*surfaceAlbedo);\nenvironmentRefraction.rgb*=volumeAlbedo;\n#else\nvec3 volumeAlbedo=computeColorAtDistanceInMedia(vTintColor.rgb,vTintColor.w);\nrefractionTransmittance*=cocaLambert(volumeAlbedo,vThicknessParam.y);\n#endif\n#ifdef SS_ALBEDOFORREFRACTIONTINT\nenvironmentRefraction.rgb*=surfaceAlbedo.rgb;\n#endif\noutParams.surfaceAlbedo=surfaceAlbedo*(1.-refractionIntensity);\n#ifdef REFLECTION\noutParams.refractionFactorForIrradiance=(1.-refractionIntensity);\n#endif\n#ifdef UNUSED_MULTIPLEBOUNCES\nvec3 bounceSpecularEnvironmentReflectance=(2.0*specularEnvironmentReflectance)/(1.0+specularEnvironmentReflectance);\noutParams.specularEnvironmentReflectance=mix(bounceSpecularEnvironmentReflectance,specularEnvironmentReflectance,refractionIntensity);\n#endif\nrefractionTransmittance*=1.0-outParams.specularEnvironmentReflectance;\n#if DEBUGMODE>0\noutParams.refractionTransmittance=refractionTransmittance;\n#endif\noutParams.finalRefraction=environmentRefraction.rgb*refractionTransmittance*vLightingIntensity.z;\n#if DEBUGMODE>0\noutParams.environmentRefraction=environmentRefraction;\n#endif\n#endif\n#if defined(REFLECTION) && defined(SS_TRANSLUCENCY)\n#if defined(NORMAL) && defined(USESPHERICALINVERTEX) || !defined(USESPHERICALFROMREFLECTIONMAP)\nvec3 irradianceVector=vec3(reflectionMatrix*vec4(normalW,0)).xyz;\n#ifdef REFLECTIONMAP_OPPOSITEZ\nirradianceVector.z*=-1.0;\n#endif\n#ifdef INVERTCUBICMAP\nirradianceVector.y*=-1.0;\n#endif\n#else\nvec3 irradianceVector=irradianceVector_;\n#endif\n#if defined(USESPHERICALFROMREFLECTIONMAP)\n#if defined(REALTIME_FILTERING)\nvec3 refractionIrradiance=irradiance(reflectionSampler,-irradianceVector,vReflectionFilteringInfo);\n#else\nvec3 refractionIrradiance=computeEnvironmentIrradiance(-irradianceVector);\n#endif\n#elif defined(USEIRRADIANCEMAP)\n#ifdef REFLECTIONMAP_3D\nvec3 irradianceCoords=irradianceVector;\n#else\nvec2 irradianceCoords=irradianceVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nirradianceCoords/=irradianceVector.z;\n#endif\nirradianceCoords.y=1.0-irradianceCoords.y;\n#endif\nvec4 refractionIrradiance=sampleReflection(irradianceSampler,-irradianceCoords);\n#ifdef RGBDREFLECTION\nrefractionIrradiance.rgb=fromRGBD(refractionIrradiance);\n#endif\n#ifdef GAMMAREFLECTION\nrefractionIrradiance.rgb=toLinearSpace(refractionIrradiance.rgb);\n#endif\n#else\nvec4 refractionIrradiance=vec4(0.);\n#endif\nrefractionIrradiance.rgb*=transmittance;\n#ifdef SS_ALBEDOFORTRANSLUCENCYTINT\nrefractionIrradiance.rgb*=surfaceAlbedo.rgb;\n#endif\noutParams.refractionIrradiance=refractionIrradiance.rgb;\n#endif\n}\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockNormalGeometric = "vec3 viewDirectionW=normalize(vEyePosition.xyz-vPositionW);\n#ifdef NORMAL\nvec3 normalW=normalize(vNormalW);\n#else\nvec3 normalW=normalize(cross(dFdx(vPositionW),dFdy(vPositionW)))*vEyePosition.w;\n#endif\nvec3 geometricNormalW=normalW;\n#if defined(TWOSIDEDLIGHTING) && defined(NORMAL)\ngeometricNormalW=gl_FrontFacing ? geometricNormalW : -geometricNormalW;\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockNormalFinal = "#if defined(FORCENORMALFORWARD) && defined(NORMAL)\nvec3 faceNormal=normalize(cross(dFdx(vPositionW),dFdy(vPositionW)))*vEyePosition.w;\n#if defined(TWOSIDEDLIGHTING)\nfaceNormal=gl_FrontFacing ? faceNormal : -faceNormal;\n#endif\nnormalW*=sign(dot(normalW,faceNormal));\n#endif\n#if defined(TWOSIDEDLIGHTING) && defined(NORMAL)\nnormalW=gl_FrontFacing ? normalW : -normalW;\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockLightmapInit = "#ifdef LIGHTMAP\nvec4 lightmapColor=texture2D(lightmapSampler,vLightmapUV+uvOffset);\n#ifdef RGBDLIGHTMAP\nlightmapColor.rgb=fromRGBD(lightmapColor);\n#endif\n#ifdef GAMMALIGHTMAP\nlightmapColor.rgb=toLinearSpace(lightmapColor.rgb);\n#endif\nlightmapColor.rgb*=vLightmapInfos.y;\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockGeometryInfo = "float NdotVUnclamped=dot(normalW,viewDirectionW);\nfloat NdotV=absEps(NdotVUnclamped);\nfloat alphaG=convertRoughnessToAverageSlope(roughness);\nvec2 AARoughnessFactors=getAARoughnessFactors(normalW.xyz);\n#ifdef SPECULARAA\nalphaG+=AARoughnessFactors.y;\n#endif\n#if defined(ENVIRONMENTBRDF)\nvec3 environmentBrdf=getBRDFLookup(NdotV,roughness);\n#endif\n#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\n#ifdef RADIANCEOCCLUSION\n#ifdef AMBIENTINGRAYSCALE\nfloat ambientMonochrome=aoOut.ambientOcclusionColor.r;\n#else\nfloat ambientMonochrome=getLuminance(aoOut.ambientOcclusionColor);\n#endif\nfloat seo=environmentRadianceOcclusion(ambientMonochrome,NdotVUnclamped);\n#endif\n#ifdef HORIZONOCCLUSION\n#ifdef BUMP\n#ifdef REFLECTIONMAP_3D\nfloat eho=environmentHorizonOcclusion(-viewDirectionW,normalW,geometricNormalW);\n#endif\n#endif\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockReflectance0 = "float reflectance=max(max(reflectivityOut.surfaceReflectivityColor.r,reflectivityOut.surfaceReflectivityColor.g),reflectivityOut.surfaceReflectivityColor.b);\nvec3 specularEnvironmentR0=reflectivityOut.surfaceReflectivityColor.rgb;\n#ifdef METALLICWORKFLOW\nvec3 specularEnvironmentR90=vec3(metallicReflectanceFactors.a);\n#else \nvec3 specularEnvironmentR90=vec3(1.0,1.0,1.0);\n#endif\n#ifdef ALPHAFRESNEL\nfloat reflectance90=fresnelGrazingReflectance(reflectance);\nspecularEnvironmentR90=specularEnvironmentR90*reflectance90;\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockReflectance = "#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\nvec3 specularEnvironmentReflectance=getReflectanceFromBRDFLookup(clearcoatOut.specularEnvironmentR0,specularEnvironmentR90,environmentBrdf);\n#ifdef RADIANCEOCCLUSION\nspecularEnvironmentReflectance*=seo;\n#endif\n#ifdef HORIZONOCCLUSION\n#ifdef BUMP\n#ifdef REFLECTIONMAP_3D\nspecularEnvironmentReflectance*=eho;\n#endif\n#endif\n#endif\n#else\nvec3 specularEnvironmentReflectance=getReflectanceFromAnalyticalBRDFLookup_Jones(NdotV,clearcoatOut.specularEnvironmentR0,specularEnvironmentR90,sqrt(microSurface));\n#endif\n#ifdef CLEARCOAT\nspecularEnvironmentReflectance*=clearcoatOut.conservationFactor;\n#if defined(CLEARCOAT_TINT)\nspecularEnvironmentReflectance*=clearcoatOut.absorption;\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockDirectLighting = "vec3 diffuseBase=vec3(0.,0.,0.);\n#ifdef SPECULARTERM\nvec3 specularBase=vec3(0.,0.,0.);\n#endif\n#ifdef CLEARCOAT\nvec3 clearCoatBase=vec3(0.,0.,0.);\n#endif\n#ifdef SHEEN\nvec3 sheenBase=vec3(0.,0.,0.);\n#endif\npreLightingInfo preInfo;\nlightingInfo info;\nfloat shadow=1.; \n#if defined(CLEARCOAT) && defined(CLEARCOAT_TINT)\nvec3 absorption=vec3(0.);\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockFinalLitComponents = "#if defined(ENVIRONMENTBRDF)\n#ifdef MS_BRDF_ENERGY_CONSERVATION\nvec3 energyConservationFactor=getEnergyConservationFactor(clearcoatOut.specularEnvironmentR0,environmentBrdf);\n#endif\n#endif\n#ifndef METALLICWORKFLOW\n#ifdef SPECULAR_GLOSSINESS_ENERGY_CONSERVATION\nsurfaceAlbedo.rgb=(1.-reflectance)*surfaceAlbedo.rgb;\n#endif\n#endif\n#if defined(SHEEN) && defined(SHEEN_ALBEDOSCALING) && defined(ENVIRONMENTBRDF)\nsurfaceAlbedo.rgb=sheenOut.sheenAlbedoScaling*surfaceAlbedo.rgb;\n#endif\n#ifdef REFLECTION\nvec3 finalIrradiance=reflectionOut.environmentIrradiance;\n#if defined(CLEARCOAT)\nfinalIrradiance*=clearcoatOut.conservationFactor;\n#if defined(CLEARCOAT_TINT)\nfinalIrradiance*=clearcoatOut.absorption;\n#endif\n#endif\n#if defined(SS_REFRACTION)\nfinalIrradiance*=subSurfaceOut.refractionFactorForIrradiance;\n#endif\n#if defined(SS_TRANSLUCENCY)\nfinalIrradiance*=(1.0-subSurfaceOut.translucencyIntensity);\nfinalIrradiance+=subSurfaceOut.refractionIrradiance;\n#endif\nfinalIrradiance*=surfaceAlbedo.rgb;\nfinalIrradiance*=vLightingIntensity.z;\nfinalIrradiance*=aoOut.ambientOcclusionColor;\n#endif\n#ifdef SPECULARTERM\nvec3 finalSpecular=specularBase;\nfinalSpecular=max(finalSpecular,0.0);\nvec3 finalSpecularScaled=finalSpecular*vLightingIntensity.x*vLightingIntensity.w;\n#if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)\nfinalSpecularScaled*=energyConservationFactor;\n#endif\n#if defined(SHEEN) && defined(ENVIRONMENTBRDF) && defined(SHEEN_ALBEDOSCALING)\nfinalSpecularScaled*=sheenOut.sheenAlbedoScaling;\n#endif\n#endif\n#ifdef REFLECTION\nvec3 finalRadiance=reflectionOut.environmentRadiance.rgb;\nfinalRadiance*=subSurfaceOut.specularEnvironmentReflectance;\nvec3 finalRadianceScaled=finalRadiance*vLightingIntensity.z;\n#if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)\nfinalRadianceScaled*=energyConservationFactor;\n#endif\n#if defined(SHEEN) && defined(ENVIRONMENTBRDF) && defined(SHEEN_ALBEDOSCALING)\nfinalRadianceScaled*=sheenOut.sheenAlbedoScaling;\n#endif\n#endif\n#ifdef SHEEN\nvec3 finalSheen=sheenBase*sheenOut.sheenColor;\nfinalSheen=max(finalSheen,0.0);\nvec3 finalSheenScaled=finalSheen*vLightingIntensity.x*vLightingIntensity.w;\n#if defined(CLEARCOAT) && defined(REFLECTION) && defined(ENVIRONMENTBRDF)\nsheenOut.finalSheenRadianceScaled*=clearcoatOut.conservationFactor;\n#if defined(CLEARCOAT_TINT)\nsheenOut.finalSheenRadianceScaled*=clearcoatOut.absorption;\n#endif\n#endif\n#endif\n#ifdef CLEARCOAT\nvec3 finalClearCoat=clearCoatBase;\nfinalClearCoat=max(finalClearCoat,0.0);\nvec3 finalClearCoatScaled=finalClearCoat*vLightingIntensity.x*vLightingIntensity.w;\n#if defined(ENVIRONMENTBRDF) && defined(MS_BRDF_ENERGY_CONSERVATION)\nfinalClearCoatScaled*=clearcoatOut.energyConservationFactorClearCoat;\n#endif\n#ifdef SS_REFRACTION\nsubSurfaceOut.finalRefraction*=clearcoatOut.conservationFactor;\n#ifdef CLEARCOAT_TINT\nsubSurfaceOut.finalRefraction*=clearcoatOut.absorption;\n#endif\n#endif\n#endif\n#ifdef ALPHABLEND\nfloat luminanceOverAlpha=0.0;\n#if defined(REFLECTION) && defined(RADIANCEOVERALPHA)\nluminanceOverAlpha+=getLuminance(finalRadianceScaled);\n#if defined(CLEARCOAT)\nluminanceOverAlpha+=getLuminance(clearcoatOut.finalClearCoatRadianceScaled);\n#endif\n#endif\n#if defined(SPECULARTERM) && defined(SPECULAROVERALPHA)\nluminanceOverAlpha+=getLuminance(finalSpecularScaled);\n#endif\n#if defined(CLEARCOAT) && defined(CLEARCOATOVERALPHA)\nluminanceOverAlpha+=getLuminance(finalClearCoatScaled);\n#endif\n#if defined(RADIANCEOVERALPHA) || defined(SPECULAROVERALPHA) || defined(CLEARCOATOVERALPHA)\nalpha=saturate(alpha+luminanceOverAlpha*luminanceOverAlpha);\n#endif\n#endif\n";
        Pt.IncludesShadersStore.pbrBlockFinalUnlitComponents = "vec3 finalDiffuse=diffuseBase;\nfinalDiffuse*=surfaceAlbedo.rgb;\nfinalDiffuse=max(finalDiffuse,0.0);\nfinalDiffuse*=vLightingIntensity.x;\nvec3 finalAmbient=vAmbientColor;\nfinalAmbient*=surfaceAlbedo.rgb;\nvec3 finalEmissive=vEmissiveColor;\n#ifdef EMISSIVE\nvec3 emissiveColorTex=texture2D(emissiveSampler,vEmissiveUV+uvOffset).rgb;\n#ifdef GAMMAEMISSIVE\nfinalEmissive*=toLinearSpace(emissiveColorTex.rgb);\n#else\nfinalEmissive*=emissiveColorTex.rgb;\n#endif\nfinalEmissive*= vEmissiveInfos.y;\n#endif\nfinalEmissive*=vLightingIntensity.y;\n#ifdef AMBIENT\nvec3 ambientOcclusionForDirectDiffuse=mix(vec3(1.),aoOut.ambientOcclusionColor,vAmbientInfos.w);\n#else\nvec3 ambientOcclusionForDirectDiffuse=aoOut.ambientOcclusionColor;\n#endif\nfinalAmbient*=aoOut.ambientOcclusionColor;\nfinalDiffuse*=ambientOcclusionForDirectDiffuse;\n";
        Pt.IncludesShadersStore.pbrBlockFinalColorComposition = "vec4 finalColor=vec4(\nfinalAmbient +\nfinalDiffuse +\n#ifndef UNLIT\n#ifdef REFLECTION\nfinalIrradiance +\n#endif\n#ifdef SPECULARTERM\nfinalSpecularScaled +\n#endif\n#ifdef SHEEN\nfinalSheenScaled +\n#endif\n#ifdef CLEARCOAT\nfinalClearCoatScaled +\n#endif\n#ifdef REFLECTION\nfinalRadianceScaled +\n#if defined(SHEEN) && defined(ENVIRONMENTBRDF)\nsheenOut.finalSheenRadianceScaled +\n#endif\n#ifdef CLEARCOAT\nclearcoatOut.finalClearCoatRadianceScaled +\n#endif\n#endif\n#ifdef SS_REFRACTION\nsubSurfaceOut.finalRefraction +\n#endif\n#endif\nfinalEmissive,\nalpha);\n#ifdef LIGHTMAP\n#ifndef LIGHTMAPEXCLUDED\n#ifdef USELIGHTMAPASSHADOWMAP\nfinalColor.rgb*=lightmapColor.rgb;\n#else\nfinalColor.rgb+=lightmapColor.rgb;\n#endif\n#endif\n#endif\n#define CUSTOM_FRAGMENT_BEFORE_FOG\nfinalColor=max(finalColor,0.0);\n";
        Pt.IncludesShadersStore.pbrBlockImageProcessing = "#if defined(IMAGEPROCESSINGPOSTPROCESS) || defined(SS_SCATTERING)\n#if !defined(SKIPFINALCOLORCLAMP)\nfinalColor.rgb=clamp(finalColor.rgb,0.,30.0);\n#endif\n#else\nfinalColor=applyImageProcessing(finalColor);\n#endif\nfinalColor.a*=visibility;\n#ifdef PREMULTIPLYALPHA\nfinalColor.rgb*=finalColor.a;\n#endif\n";
        Pt.IncludesShadersStore.pbrDebug = "#if DEBUGMODE>0\nif (vClipSpacePosition.x/vClipSpacePosition.w>=vDebugMode.x) {\n#if DEBUGMODE==1\ngl_FragColor.rgb=vPositionW.rgb;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==2 && defined(NORMAL)\ngl_FragColor.rgb=vNormalW.rgb;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==3 && defined(BUMP) || DEBUGMODE==3 && defined(PARALLAX) || DEBUGMODE==3 && defined(ANISOTROPIC)\ngl_FragColor.rgb=TBN[0];\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==4 && defined(BUMP) || DEBUGMODE==4 && defined(PARALLAX) || DEBUGMODE==4 && defined(ANISOTROPIC)\ngl_FragColor.rgb=TBN[1];\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==5\ngl_FragColor.rgb=normalW;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==6 && defined(MAINUV1)\ngl_FragColor.rgb=vec3(vMainUV1,0.0);\n#elif DEBUGMODE==7 && defined(MAINUV2)\ngl_FragColor.rgb=vec3(vMainUV2,0.0);\n#elif DEBUGMODE==8 && defined(CLEARCOAT) && defined(CLEARCOAT_BUMP)\ngl_FragColor.rgb=clearcoatOut.TBNClearCoat[0];\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==9 && defined(CLEARCOAT) && defined(CLEARCOAT_BUMP)\ngl_FragColor.rgb=clearcoatOut.TBNClearCoat[1];\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==10 && defined(CLEARCOAT)\ngl_FragColor.rgb=clearcoatOut.clearCoatNormalW;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==11 && defined(ANISOTROPIC)\ngl_FragColor.rgb=anisotropicOut.anisotropicNormal;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==12 && defined(ANISOTROPIC)\ngl_FragColor.rgb=anisotropicOut.anisotropicTangent;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==13 && defined(ANISOTROPIC)\ngl_FragColor.rgb=anisotropicOut.anisotropicBitangent;\n#define DEBUGMODE_NORMALIZE\n#elif DEBUGMODE==20 && defined(ALBEDO)\ngl_FragColor.rgb=albedoTexture.rgb;\n#elif DEBUGMODE==21 && defined(AMBIENT)\ngl_FragColor.rgb=aoOut.ambientOcclusionColorMap.rgb;\n#elif DEBUGMODE==22 && defined(OPACITY)\ngl_FragColor.rgb=opacityMap.rgb;\n#elif DEBUGMODE==23 && defined(EMISSIVE)\ngl_FragColor.rgb=emissiveColorTex.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==24 && defined(LIGHTMAP)\ngl_FragColor.rgb=lightmapColor.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==25 && defined(REFLECTIVITY) && defined(METALLICWORKFLOW)\ngl_FragColor.rgb=reflectivityOut.surfaceMetallicColorMap.rgb;\n#elif DEBUGMODE==26 && defined(REFLECTIVITY) && !defined(METALLICWORKFLOW)\ngl_FragColor.rgb=reflectivityOut.surfaceReflectivityColorMap.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==27 && defined(CLEARCOAT) && defined(CLEARCOAT_TEXTURE)\ngl_FragColor.rgb=vec3(clearcoatOut.clearCoatMapData.rg,0.0);\n#elif DEBUGMODE==28 && defined(CLEARCOAT) && defined(CLEARCOAT_TINT) && defined(CLEARCOAT_TINT_TEXTURE)\ngl_FragColor.rgb=clearcoatOut.clearCoatTintMapData.rgb;\n#elif DEBUGMODE==29 && defined(SHEEN) && defined(SHEEN_TEXTURE)\ngl_FragColor.rgb=sheenOut.sheenMapData.rgb;\n#elif DEBUGMODE==30 && defined(ANISOTROPIC) && defined(ANISOTROPIC_TEXTURE)\ngl_FragColor.rgb=anisotropicOut.anisotropyMapData.rgb;\n#elif DEBUGMODE==31 && defined(SUBSURFACE) && defined(SS_THICKNESSANDMASK_TEXTURE)\ngl_FragColor.rgb=subSurfaceOut.thicknessMap.rgb;\n#elif DEBUGMODE==40 && defined(SS_REFRACTION)\ngl_FragColor.rgb=subSurfaceOut.environmentRefraction.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==41 && defined(REFLECTION)\ngl_FragColor.rgb=reflectionOut.environmentRadiance.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==42 && defined(CLEARCOAT) && defined(REFLECTION)\ngl_FragColor.rgb=clearcoatOut.environmentClearCoatRadiance.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==50\ngl_FragColor.rgb=diffuseBase.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==51 && defined(SPECULARTERM)\ngl_FragColor.rgb=specularBase.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==52 && defined(CLEARCOAT)\ngl_FragColor.rgb=clearCoatBase.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==53 && defined(SHEEN)\ngl_FragColor.rgb=sheenBase.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==54 && defined(REFLECTION)\ngl_FragColor.rgb=reflectionOut.environmentIrradiance.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==60\ngl_FragColor.rgb=surfaceAlbedo.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==61\ngl_FragColor.rgb=clearcoatOut.specularEnvironmentR0;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==62 && defined(METALLICWORKFLOW)\ngl_FragColor.rgb=vec3(reflectivityOut.metallicRoughness.r);\n#elif DEBUGMODE==71 && defined(METALLICWORKFLOW)\ngl_FragColor.rgb=reflectivityOut.metallicF0;\n#elif DEBUGMODE==63\ngl_FragColor.rgb=vec3(roughness);\n#elif DEBUGMODE==64\ngl_FragColor.rgb=vec3(alphaG);\n#elif DEBUGMODE==65\ngl_FragColor.rgb=vec3(NdotV);\n#elif DEBUGMODE==66 && defined(CLEARCOAT) && defined(CLEARCOAT_TINT)\ngl_FragColor.rgb=clearcoatOut.clearCoatColor.rgb;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==67 && defined(CLEARCOAT)\ngl_FragColor.rgb=vec3(clearcoatOut.clearCoatRoughness);\n#elif DEBUGMODE==68 && defined(CLEARCOAT)\ngl_FragColor.rgb=vec3(clearcoatOut.clearCoatNdotV);\n#elif DEBUGMODE==69 && defined(SUBSURFACE) && defined(SS_TRANSLUCENCY)\ngl_FragColor.rgb=subSurfaceOut.transmittance;\n#elif DEBUGMODE==70 && defined(SUBSURFACE) && defined(SS_REFRACTION)\ngl_FragColor.rgb=subSurfaceOut.refractionTransmittance;\n#elif DEBUGMODE==80 && defined(RADIANCEOCCLUSION)\ngl_FragColor.rgb=vec3(seo);\n#elif DEBUGMODE==81 && defined(HORIZONOCCLUSION)\ngl_FragColor.rgb=vec3(eho);\n#elif DEBUGMODE==82 && defined(MS_BRDF_ENERGY_CONSERVATION)\ngl_FragColor.rgb=vec3(energyConservationFactor);\n#elif DEBUGMODE==83 && defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\ngl_FragColor.rgb=specularEnvironmentReflectance;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==84 && defined(CLEARCOAT) && defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\ngl_FragColor.rgb=clearcoatOut.clearCoatEnvironmentReflectance;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==85 && defined(SHEEN) && defined(REFLECTION)\ngl_FragColor.rgb=sheenOut.sheenEnvironmentReflectance;\n#define DEBUGMODE_GAMMA\n#elif DEBUGMODE==86 && defined(ALPHABLEND)\ngl_FragColor.rgb=vec3(luminanceOverAlpha);\n#elif DEBUGMODE==87\ngl_FragColor.rgb=vec3(alpha);\n#endif\ngl_FragColor.rgb*=vDebugMode.y;\n#ifdef DEBUGMODE_NORMALIZE\ngl_FragColor.rgb=normalize(gl_FragColor.rgb)*0.5+0.5;\n#endif\n#ifdef DEBUGMODE_GAMMA\ngl_FragColor.rgb=toGammaSpace(gl_FragColor.rgb);\n#endif\ngl_FragColor.a=1.0;\n#ifdef PREPASS\ngl_FragData[0]=toLinearSpace(gl_FragColor); \ngl_FragData[1]=vec4(0.,0.,0.,0.); \n#endif\nreturn;\n}\n#endif\n";
        Pt.ShadersStore.pbrPixelShader = "#if defined(BUMP) || !defined(NORMAL) || defined(FORCENORMALFORWARD) || defined(SPECULARAA) || defined(CLEARCOAT_BUMP) || defined(ANISOTROPIC)\n#extension GL_OES_standard_derivatives : enable\n#endif\n#ifdef LODBASEDMICROSFURACE\n#extension GL_EXT_shader_texture_lod : enable\n#endif\n#define CUSTOM_FRAGMENT_BEGIN\n#ifdef LOGARITHMICDEPTH\n#extension GL_EXT_frag_depth : enable\n#endif\n#include<prePassDeclaration>[SCENE_MRT_COUNT]\nprecision highp float;\n#include<oitDeclaration>\n#ifndef FROMLINEARSPACE\n#define FROMLINEARSPACE\n#endif\n#include<__decl__pbrFragment>\n#include<pbrFragmentExtraDeclaration>\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\n#include<pbrFragmentSamplersDeclaration>\n#include<imageProcessingDeclaration>\n#include<clipPlaneFragmentDeclaration>\n#include<logDepthDeclaration>\n#include<fogFragmentDeclaration>\n#include<helperFunctions>\n#include<subSurfaceScatteringFunctions>\n#include<importanceSampling>\n#include<pbrHelperFunctions>\n#include<imageProcessingFunctions>\n#include<shadowsFragmentFunctions>\n#include<harmonicsFunctions>\n#include<pbrDirectLightingSetupFunctions>\n#include<pbrDirectLightingFalloffFunctions>\n#include<pbrBRDFFunctions>\n#include<hdrFilteringFunctions>\n#include<pbrDirectLightingFunctions>\n#include<pbrIBLFunctions>\n#include<bumpFragmentMainFunctions>\n#include<bumpFragmentFunctions>\n#ifdef REFLECTION\n#include<reflectionFunction>\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\n#include<pbrBlockAlbedoOpacity>\n#include<pbrBlockReflectivity>\n#include<pbrBlockAmbientOcclusion>\n#include<pbrBlockAlphaFresnel>\n#include<pbrBlockAnisotropic>\n#include<pbrBlockReflection>\n#include<pbrBlockSheen>\n#include<pbrBlockClearcoat>\n#include<pbrBlockSubSurface>\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<oitFragment>\n#include<clipPlaneFragment>\n#include<pbrBlockNormalGeometric>\n#include<bumpFragment>\n#include<pbrBlockNormalFinal>\nalbedoOpacityOutParams albedoOpacityOut;\n#ifdef ALBEDO\nvec4 albedoTexture=texture2D(albedoSampler,vAlbedoUV+uvOffset);\n#endif\n#ifdef OPACITY\nvec4 opacityMap=texture2D(opacitySampler,vOpacityUV+uvOffset);\n#endif\nalbedoOpacityBlock(\nvAlbedoColor,\n#ifdef ALBEDO\nalbedoTexture,\nvAlbedoInfos,\n#endif\n#ifdef OPACITY\nopacityMap,\nvOpacityInfos,\n#endif\n#ifdef DETAIL\ndetailColor,\nvDetailInfos,\n#endif\nalbedoOpacityOut\n);\nvec3 surfaceAlbedo=albedoOpacityOut.surfaceAlbedo;\nfloat alpha=albedoOpacityOut.alpha;\n#define CUSTOM_FRAGMENT_UPDATE_ALPHA\n#include<depthPrePass>\n#define CUSTOM_FRAGMENT_BEFORE_LIGHTS\nambientOcclusionOutParams aoOut;\n#ifdef AMBIENT\nvec3 ambientOcclusionColorMap=texture2D(ambientSampler,vAmbientUV+uvOffset).rgb;\n#endif\nambientOcclusionBlock(\n#ifdef AMBIENT\nambientOcclusionColorMap,\nvAmbientInfos,\n#endif\naoOut\n);\n#include<pbrBlockLightmapInit>\n#ifdef UNLIT\nvec3 diffuseBase=vec3(1.,1.,1.);\n#else\nvec3 baseColor=surfaceAlbedo;\nreflectivityOutParams reflectivityOut;\n#if defined(REFLECTIVITY)\nvec4 surfaceMetallicOrReflectivityColorMap=texture2D(reflectivitySampler,vReflectivityUV+uvOffset);\nvec4 baseReflectivity=surfaceMetallicOrReflectivityColorMap;\n#ifndef METALLICWORKFLOW\n#ifdef REFLECTIVITY_GAMMA\nsurfaceMetallicOrReflectivityColorMap=toLinearSpace(surfaceMetallicOrReflectivityColorMap);\n#endif\nsurfaceMetallicOrReflectivityColorMap.rgb*=vReflectivityInfos.y;\n#endif\n#endif\n#if defined(MICROSURFACEMAP)\nvec4 microSurfaceTexel=texture2D(microSurfaceSampler,vMicroSurfaceSamplerUV+uvOffset)*vMicroSurfaceSamplerInfos.y;\n#endif\n#ifdef METALLICWORKFLOW\nvec4 metallicReflectanceFactors=vMetallicReflectanceFactors;\n#ifdef REFLECTANCE\nvec4 reflectanceFactorsMap=texture2D(reflectanceSampler,vReflectanceUV+uvOffset);\n#ifdef REFLECTANCE_GAMMA\nreflectanceFactorsMap=toLinearSpace(reflectanceFactorsMap);\n#endif\nmetallicReflectanceFactors.rgb*=reflectanceFactorsMap.rgb;\n#endif\n#ifdef METALLIC_REFLECTANCE\nvec4 metallicReflectanceFactorsMap=texture2D(metallicReflectanceSampler,vMetallicReflectanceUV+uvOffset);\n#ifdef METALLIC_REFLECTANCE_GAMMA\nmetallicReflectanceFactorsMap=toLinearSpace(metallicReflectanceFactorsMap);\n#endif\n#ifndef METALLIC_REFLECTANCE_USE_ALPHA_ONLY\nmetallicReflectanceFactors.rgb*=metallicReflectanceFactorsMap.rgb;\n#endif\nmetallicReflectanceFactors*=metallicReflectanceFactorsMap.a;\n#endif\n#endif\nreflectivityBlock(\nvReflectivityColor,\n#ifdef METALLICWORKFLOW\nsurfaceAlbedo,\nmetallicReflectanceFactors,\n#endif\n#ifdef REFLECTIVITY\nvReflectivityInfos,\nsurfaceMetallicOrReflectivityColorMap,\n#endif\n#if defined(METALLICWORKFLOW) && defined(REFLECTIVITY) && defined(AOSTOREINMETALMAPRED)\naoOut.ambientOcclusionColor,\n#endif\n#ifdef MICROSURFACEMAP\nmicroSurfaceTexel,\n#endif\n#ifdef DETAIL\ndetailColor,\nvDetailInfos,\n#endif\nreflectivityOut\n);\nfloat microSurface=reflectivityOut.microSurface;\nfloat roughness=reflectivityOut.roughness;\n#ifdef METALLICWORKFLOW\nsurfaceAlbedo=reflectivityOut.surfaceAlbedo;\n#endif\n#if defined(METALLICWORKFLOW) && defined(REFLECTIVITY) && defined(AOSTOREINMETALMAPRED)\naoOut.ambientOcclusionColor=reflectivityOut.ambientOcclusionColor;\n#endif\n#ifdef ALPHAFRESNEL\n#if defined(ALPHATEST) || defined(ALPHABLEND)\nalphaFresnelOutParams alphaFresnelOut;\nalphaFresnelBlock(\nnormalW,\nviewDirectionW,\nalpha,\nmicroSurface,\nalphaFresnelOut\n);\nalpha=alphaFresnelOut.alpha;\n#endif\n#endif\n#include<pbrBlockGeometryInfo>\n#ifdef ANISOTROPIC\nanisotropicOutParams anisotropicOut;\n#ifdef ANISOTROPIC_TEXTURE\nvec3 anisotropyMapData=texture2D(anisotropySampler,vAnisotropyUV+uvOffset).rgb*vAnisotropyInfos.y;\n#endif\nanisotropicBlock(\nvAnisotropy,\n#ifdef ANISOTROPIC_TEXTURE\nanisotropyMapData,\n#endif\nTBN,\nnormalW,\nviewDirectionW,\nanisotropicOut\n);\n#endif\n#ifdef REFLECTION\nreflectionOutParams reflectionOut;\n#ifndef USE_CUSTOM_REFLECTION\nreflectionBlock(\nvPositionW,\nnormalW,\nalphaG,\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\n#ifdef ANISOTROPIC\nanisotropicOut,\n#endif\n#if defined(LODINREFLECTIONALPHA) && !defined(REFLECTIONMAP_SKYBOX)\nNdotVUnclamped,\n#endif\n#ifdef LINEARSPECULARREFLECTION\nroughness,\n#endif\nreflectionSampler,\n#if defined(NORMAL) && defined(USESPHERICALINVERTEX)\nvEnvironmentIrradiance,\n#endif\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\nreflectionMatrix,\n#endif\n#endif\n#ifdef USEIRRADIANCEMAP\nirradianceSampler,\n#endif\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\nreflectionOut\n);\n#else\n#define CUSTOM_REFLECTION\n#endif\n#endif\n#include<pbrBlockReflectance0>\n#ifdef SHEEN\nsheenOutParams sheenOut;\n#ifdef SHEEN_TEXTURE\nvec4 sheenMapData=texture2D(sheenSampler,vSheenUV+uvOffset);\n#endif\n#if defined(SHEEN_ROUGHNESS) && defined(SHEEN_TEXTURE_ROUGHNESS) && !defined(SHEEN_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE)\nvec4 sheenMapRoughnessData=texture2D(sheenRoughnessSampler,vSheenRoughnessUV+uvOffset)*vSheenInfos.w;\n#endif\nsheenBlock(\nvSheenColor,\n#ifdef SHEEN_ROUGHNESS\nvSheenRoughness,\n#if defined(SHEEN_TEXTURE_ROUGHNESS) && !defined(SHEEN_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE)\nsheenMapRoughnessData,\n#endif\n#endif\nroughness,\n#ifdef SHEEN_TEXTURE\nsheenMapData,\nvSheenInfos.y,\n#endif\nreflectance,\n#ifdef SHEEN_LINKWITHALBEDO\nbaseColor,\nsurfaceAlbedo,\n#endif\n#ifdef ENVIRONMENTBRDF\nNdotV,\nenvironmentBrdf,\n#endif\n#if defined(REFLECTION) && defined(ENVIRONMENTBRDF)\nAARoughnessFactors,\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\nvLightingIntensity,\nreflectionSampler,\nreflectionOut.reflectionCoords,\nNdotVUnclamped,\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(RADIANCEOCCLUSION)\nseo,\n#endif\n#if !defined(REFLECTIONMAP_SKYBOX) && defined(HORIZONOCCLUSION) && defined(BUMP) && defined(REFLECTIONMAP_3D)\neho,\n#endif\n#endif\nsheenOut\n);\n#ifdef SHEEN_LINKWITHALBEDO\nsurfaceAlbedo=sheenOut.surfaceAlbedo;\n#endif\n#endif\nclearcoatOutParams clearcoatOut;\n#ifdef CLEARCOAT\n#ifdef CLEARCOAT_TEXTURE\nvec2 clearCoatMapData=texture2D(clearCoatSampler,vClearCoatUV+uvOffset).rg*vClearCoatInfos.y;\n#endif\n#if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)\nvec4 clearCoatMapRoughnessData=texture2D(clearCoatRoughnessSampler,vClearCoatRoughnessUV+uvOffset)*vClearCoatInfos.w;\n#endif\n#if defined(CLEARCOAT_TINT) && defined(CLEARCOAT_TINT_TEXTURE)\nvec4 clearCoatTintMapData=texture2D(clearCoatTintSampler,vClearCoatTintUV+uvOffset);\n#endif\n#ifdef CLEARCOAT_BUMP\nvec4 clearCoatBumpMapData=texture2D(clearCoatBumpSampler,vClearCoatBumpUV+uvOffset);\n#endif\nclearcoatBlock(\nvPositionW,\ngeometricNormalW,\nviewDirectionW,\nvClearCoatParams,\n#if defined(CLEARCOAT_TEXTURE_ROUGHNESS) && !defined(CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL) && !defined(CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE)\nclearCoatMapRoughnessData,\n#endif\nspecularEnvironmentR0,\n#ifdef CLEARCOAT_TEXTURE\nclearCoatMapData,\n#endif\n#ifdef CLEARCOAT_TINT\nvClearCoatTintParams,\nclearCoatColorAtDistance,\nvClearCoatRefractionParams,\n#ifdef CLEARCOAT_TINT_TEXTURE\nclearCoatTintMapData,\n#endif\n#endif\n#ifdef CLEARCOAT_BUMP\nvClearCoatBumpInfos,\nclearCoatBumpMapData,\nvClearCoatBumpUV,\n#if defined(TANGENT) && defined(NORMAL)\nvTBN,\n#else\nvClearCoatTangentSpaceParams,\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\nnormalMatrix,\n#endif\n#endif\n#if defined(FORCENORMALFORWARD) && defined(NORMAL)\nfaceNormal,\n#endif\n#ifdef REFLECTION\nvReflectionMicrosurfaceInfos,\nvReflectionInfos,\nvReflectionColor,\nvLightingIntensity,\nreflectionSampler,\n#ifndef LODBASEDMICROSFURACE\nreflectionSamplerLow,\nreflectionSamplerHigh,\n#endif\n#ifdef REALTIME_FILTERING\nvReflectionFilteringInfo,\n#endif\n#endif\n#if defined(ENVIRONMENTBRDF) && !defined(REFLECTIONMAP_SKYBOX)\n#ifdef RADIANCEOCCLUSION\nambientMonochrome,\n#endif\n#endif\n#if defined(CLEARCOAT_BUMP) || defined(TWOSIDEDLIGHTING)\n(gl_FrontFacing ? 1. : -1.),\n#endif\nclearcoatOut\n);\n#else\nclearcoatOut.specularEnvironmentR0=specularEnvironmentR0;\n#endif\n#include<pbrBlockReflectance>\nsubSurfaceOutParams subSurfaceOut;\n#ifdef SUBSURFACE\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nvec4 thicknessMap=texture2D(thicknessSampler,vThicknessUV+uvOffset);\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\nvec4 refractionIntensityMap=texture2D(refractionIntensitySampler,vRefractionIntensityUV+uvOffset);\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\nvec4 translucencyIntensityMap=texture2D(translucencyIntensitySampler,vTranslucencyIntensityUV+uvOffset);\n#endif\nsubSurfaceBlock(\nvSubSurfaceIntensity,\nvThicknessParam,\nvTintColor,\nnormalW,\nspecularEnvironmentReflectance,\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nthicknessMap,\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\nrefractionIntensityMap,\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\ntranslucencyIntensityMap,\n#endif\n#ifdef REFLECTION\n#ifdef SS_TRANSLUCENCY\nreflectionMatrix,\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\nreflectionOut.irradianceVector,\n#endif\n#if defined(REALTIME_FILTERING)\nreflectionSampler,\nvReflectionFilteringInfo,\n#endif\n#endif\n#ifdef USEIRRADIANCEMAP\nirradianceSampler,\n#endif\n#endif\n#endif\n#if defined(SS_REFRACTION) || defined(SS_TRANSLUCENCY)\nsurfaceAlbedo,\n#endif\n#ifdef SS_REFRACTION\nvPositionW,\nviewDirectionW,\nview,\nvRefractionInfos,\nrefractionMatrix,\nvRefractionMicrosurfaceInfos,\nvLightingIntensity,\n#ifdef SS_LINKREFRACTIONTOTRANSPARENCY\nalpha,\n#endif\n#ifdef SS_LODINREFRACTIONALPHA\nNdotVUnclamped,\n#endif\n#ifdef SS_LINEARSPECULARREFRACTION\nroughness,\n#endif\nalphaG,\nrefractionSampler,\n#ifndef LODBASEDMICROSFURACE\nrefractionSamplerLow,\nrefractionSamplerHigh,\n#endif\n#ifdef ANISOTROPIC\nanisotropicOut,\n#endif\n#ifdef REALTIME_FILTERING\nvRefractionFilteringInfo,\n#endif\n#ifdef SS_USE_LOCAL_REFRACTIONMAP_CUBIC\nvRefractionPosition,\nvRefractionSize,\n#endif\n#endif\n#ifdef SS_TRANSLUCENCY\nvDiffusionDistance,\n#endif\nsubSurfaceOut\n);\n#ifdef SS_REFRACTION\nsurfaceAlbedo=subSurfaceOut.surfaceAlbedo;\n#ifdef SS_LINKREFRACTIONTOTRANSPARENCY\nalpha=subSurfaceOut.alpha;\n#endif\n#endif\n#else\nsubSurfaceOut.specularEnvironmentReflectance=specularEnvironmentReflectance;\n#endif\n#include<pbrBlockDirectLighting>\n#include<lightFragment>[0..maxSimultaneousLights]\n#include<pbrBlockFinalLitComponents>\n#endif \n#include<pbrBlockFinalUnlitComponents>\n#define CUSTOM_FRAGMENT_BEFORE_FINALCOLORCOMPOSITION\n#include<pbrBlockFinalColorComposition>\n#include<logDepthFragment>\n#include<fogFragment>(color,finalColor)\n#include<pbrBlockImageProcessing>\n#define CUSTOM_FRAGMENT_BEFORE_FRAGCOLOR\n#ifdef PREPASS\nfloat writeGeometryInfo=finalColor.a>0.4 ? 1.0 : 0.0;\n#ifdef PREPASS_POSITION\ngl_FragData[PREPASS_POSITION_INDEX]=vec4(vPositionW,writeGeometryInfo);\n#endif\n#ifdef PREPASS_VELOCITY\nvec2 a=(vCurrentPosition.xy/vCurrentPosition.w)*0.5+0.5;\nvec2 b=(vPreviousPosition.xy/vPreviousPosition.w)*0.5+0.5;\nvec2 velocity=abs(a-b);\nvelocity=vec2(pow(velocity.x,1.0/3.0),pow(velocity.y,1.0/3.0))*sign(a-b)*0.5+0.5;\ngl_FragData[PREPASS_VELOCITY_INDEX]=vec4(velocity,0.0,writeGeometryInfo);\n#endif\n#ifdef PREPASS_ALBEDO_SQRT\nvec3 sqAlbedo=sqrt(surfaceAlbedo); \n#endif\n#ifdef PREPASS_IRRADIANCE\nvec3 irradiance=finalDiffuse;\n#ifndef UNLIT\n#ifdef REFLECTION\nirradiance+=finalIrradiance;\n#endif\n#endif\n#ifdef SS_SCATTERING\ngl_FragData[0]=vec4(finalColor.rgb-irradiance,finalColor.a); \nirradiance/=sqAlbedo;\n#else\ngl_FragData[0]=finalColor; \nfloat scatteringDiffusionProfile=255.;\n#endif\ngl_FragData[PREPASS_IRRADIANCE_INDEX]=vec4(clamp(irradiance,vec3(0.),vec3(1.)),writeGeometryInfo*scatteringDiffusionProfile/255.); \n#else\ngl_FragData[0]=vec4(finalColor.rgb,finalColor.a);\n#endif\n#ifdef PREPASS_DEPTH\ngl_FragData[PREPASS_DEPTH_INDEX]=vec4(vViewPos.z,0.0,0.0,writeGeometryInfo); \n#endif\n#ifdef PREPASS_NORMAL\ngl_FragData[PREPASS_NORMAL_INDEX]=vec4((view*vec4(normalW,0.0)).rgb,writeGeometryInfo); \n#endif\n#ifdef PREPASS_ALBEDO_SQRT\ngl_FragData[PREPASS_ALBEDO_SQRT_INDEX]=vec4(sqAlbedo,writeGeometryInfo); \n#endif\n#ifdef PREPASS_REFLECTIVITY\n#if defined(REFLECTIVITY)\ngl_FragData[PREPASS_REFLECTIVITY_INDEX]=vec4(baseReflectivity.rgb,baseReflectivity.a*writeGeometryInfo);\n#else\ngl_FragData[PREPASS_REFLECTIVITY_INDEX]=vec4(0.0,0.0,0.0,writeGeometryInfo);\n#endif\n#endif\n#endif\n#if !defined(PREPASS) || defined(WEBGL2)\ngl_FragColor=finalColor;\n#endif\n#if ORDER_INDEPENDENT_TRANSPARENCY\nif (fragDepth==nearestDepth) {\nfrontColor.rgb+=finalColor.rgb*finalColor.a*alphaMultiplier;\nfrontColor.a=1.0-alphaMultiplier*(1.0-finalColor.a);\n} else {\nbackColor+=finalColor;\n}\n#endif\n#include<pbrDebug>\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";
        Pt.IncludesShadersStore.pbrVertexDeclaration = "uniform mat4 view;\nuniform mat4 viewProjection;\n#ifdef ALBEDO\nuniform mat4 albedoMatrix;\nuniform vec2 vAlbedoInfos;\n#endif\n#ifdef AMBIENT\nuniform mat4 ambientMatrix;\nuniform vec4 vAmbientInfos;\n#endif\n#ifdef OPACITY\nuniform mat4 opacityMatrix;\nuniform vec2 vOpacityInfos;\n#endif\n#ifdef EMISSIVE\nuniform vec2 vEmissiveInfos;\nuniform mat4 emissiveMatrix;\n#endif\n#ifdef LIGHTMAP\nuniform vec2 vLightmapInfos;\nuniform mat4 lightmapMatrix;\n#endif\n#ifdef REFLECTIVITY \nuniform vec3 vReflectivityInfos;\nuniform mat4 reflectivityMatrix;\n#endif\n#ifdef METALLIC_REFLECTANCE\nuniform vec2 vMetallicReflectanceInfos;\nuniform mat4 metallicReflectanceMatrix;\n#endif\n#ifdef REFLECTANCE\nuniform vec2 vReflectanceInfos;\nuniform mat4 reflectanceMatrix;\n#endif\n#ifdef MICROSURFACEMAP\nuniform vec2 vMicroSurfaceSamplerInfos;\nuniform mat4 microSurfaceSamplerMatrix;\n#endif\n#ifdef BUMP\nuniform vec3 vBumpInfos;\nuniform mat4 bumpMatrix;\n#endif\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;\nuniform mat4 reflectionMatrix;\n#endif\n#ifdef CLEARCOAT\n#if defined(CLEARCOAT_TEXTURE) || defined(CLEARCOAT_TEXTURE_ROUGHNESS)\nuniform vec4 vClearCoatInfos;\n#endif\n#ifdef CLEARCOAT_TEXTURE\nuniform mat4 clearCoatMatrix;\n#endif\n#ifdef CLEARCOAT_TEXTURE_ROUGHNESS\nuniform mat4 clearCoatRoughnessMatrix;\n#endif\n#ifdef CLEARCOAT_BUMP\nuniform vec2 vClearCoatBumpInfos;\nuniform mat4 clearCoatBumpMatrix;\n#endif\n#ifdef CLEARCOAT_TINT_TEXTURE\nuniform vec2 vClearCoatTintInfos;\nuniform mat4 clearCoatTintMatrix;\n#endif\n#endif\n#ifdef ANISOTROPIC\n#ifdef ANISOTROPIC_TEXTURE\nuniform vec2 vAnisotropyInfos;\nuniform mat4 anisotropyMatrix;\n#endif\n#endif\n#ifdef SHEEN\n#if defined(SHEEN_TEXTURE) || defined(SHEEN_TEXTURE_ROUGHNESS)\nuniform vec4 vSheenInfos;\n#endif\n#ifdef SHEEN_TEXTURE\nuniform mat4 sheenMatrix;\n#endif\n#ifdef SHEEN_TEXTURE_ROUGHNESS\nuniform mat4 sheenRoughnessMatrix;\n#endif\n#endif\n#ifdef SUBSURFACE\n#ifdef SS_REFRACTION\nuniform vec4 vRefractionInfos;\nuniform mat4 refractionMatrix;\n#endif\n#ifdef SS_THICKNESSANDMASK_TEXTURE\nuniform vec2 vThicknessInfos;\nuniform mat4 thicknessMatrix;\n#endif\n#ifdef SS_REFRACTIONINTENSITY_TEXTURE\nuniform vec2 vRefractionIntensityInfos;\nuniform mat4 refractionIntensityMatrix;\n#endif\n#ifdef SS_TRANSLUCENCYINTENSITY_TEXTURE\nuniform vec2 vTranslucencyIntensityInfos;\nuniform mat4 translucencyIntensityMatrix;\n#endif\n#endif\n#ifdef NORMAL\n#if defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)\n#ifdef USESPHERICALFROMREFLECTIONMAP\n#ifdef SPHERICAL_HARMONICS\nuniform vec3 vSphericalL00;\nuniform vec3 vSphericalL1_1;\nuniform vec3 vSphericalL10;\nuniform vec3 vSphericalL11;\nuniform vec3 vSphericalL2_2;\nuniform vec3 vSphericalL2_1;\nuniform vec3 vSphericalL20;\nuniform vec3 vSphericalL21;\nuniform vec3 vSphericalL22;\n#else\nuniform vec3 vSphericalX;\nuniform vec3 vSphericalY;\nuniform vec3 vSphericalZ;\nuniform vec3 vSphericalXX_ZZ;\nuniform vec3 vSphericalYY_ZZ;\nuniform vec3 vSphericalZZ;\nuniform vec3 vSphericalXY;\nuniform vec3 vSphericalYZ;\nuniform vec3 vSphericalZX;\n#endif\n#endif\n#endif\n#endif\n#ifdef DETAIL\nuniform vec4 vDetailInfos;\nuniform mat4 detailMatrix;\n#endif\n#define ADDITIONAL_VERTEX_DECLARATION\n";
        Pt.ShadersStore.pbrVertexShader = "precision highp float;\n#include<__decl__pbrVertex>\n#define CUSTOM_VERTEX_BEGIN\nattribute vec3 position;\n#ifdef NORMAL\nattribute vec3 normal;\n#endif\n#ifdef TANGENT\nattribute vec4 tangent;\n#endif\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#include<uvAttributeDeclaration>[2..7]\n#include<mainUVVaryingDeclaration>[1..7]\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n#include<helperFunctions>\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<instancesDeclaration>\n#include<prePassVertexDeclaration>\n#include<samplerVertexDeclaration>(_DEFINENAME_,ALBEDO,_VARYINGNAME_,Albedo)\n#include<samplerVertexDeclaration>(_DEFINENAME_,DETAIL,_VARYINGNAME_,Detail)\n#include<samplerVertexDeclaration>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient)\n#include<samplerVertexDeclaration>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity)\n#include<samplerVertexDeclaration>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive)\n#include<samplerVertexDeclaration>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap)\n#include<samplerVertexDeclaration>(_DEFINENAME_,REFLECTIVITY,_VARYINGNAME_,Reflectivity)\n#include<samplerVertexDeclaration>(_DEFINENAME_,MICROSURFACEMAP,_VARYINGNAME_,MicroSurfaceSampler)\n#include<samplerVertexDeclaration>(_DEFINENAME_,METALLIC_REFLECTANCE,_VARYINGNAME_,MetallicReflectance)\n#include<samplerVertexDeclaration>(_DEFINENAME_,REFLECTANCE,_VARYINGNAME_,Reflectance)\n#include<samplerVertexDeclaration>(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump)\n#ifdef CLEARCOAT\n#include<samplerVertexDeclaration>(_DEFINENAME_,CLEARCOAT_TEXTURE,_VARYINGNAME_,ClearCoat)\n#include<samplerVertexDeclaration>(_DEFINENAME_,CLEARCOAT_TEXTURE_ROUGHNESS,_VARYINGNAME_,ClearCoatRoughness)\n#include<samplerVertexDeclaration>(_DEFINENAME_,CLEARCOAT_BUMP,_VARYINGNAME_,ClearCoatBump)\n#include<samplerVertexDeclaration>(_DEFINENAME_,CLEARCOAT_TINT_TEXTURE,_VARYINGNAME_,ClearCoatTint)\n#endif\n#ifdef SHEEN\n#include<samplerVertexDeclaration>(_DEFINENAME_,SHEEN_TEXTURE,_VARYINGNAME_,Sheen)\n#include<samplerVertexDeclaration>(_DEFINENAME_,SHEEN_TEXTURE_ROUGHNESS,_VARYINGNAME_,SheenRoughness)\n#endif\n#ifdef ANISOTROPIC\n#include<samplerVertexDeclaration>(_DEFINENAME_,ANISOTROPIC_TEXTURE,_VARYINGNAME_,Anisotropy)\n#endif\n#ifdef SUBSURFACE\n#include<samplerVertexDeclaration>(_DEFINENAME_,SS_THICKNESSANDMASK_TEXTURE,_VARYINGNAME_,Thickness)\n#include<samplerVertexDeclaration>(_DEFINENAME_,SS_REFRACTIONINTENSITY_TEXTURE,_VARYINGNAME_,RefractionIntensity)\n#include<samplerVertexDeclaration>(_DEFINENAME_,SS_TRANSLUCENCYINTENSITY_TEXTURE,_VARYINGNAME_,TranslucencyIntensity)\n#endif\nvarying vec3 vPositionW;\n#if DEBUGMODE>0\nvarying vec4 vClipSpacePosition;\n#endif\n#ifdef NORMAL\nvarying vec3 vNormalW;\n#if defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)\nvarying vec3 vEnvironmentIrradiance;\n#include<harmonicsFunctions>\n#endif\n#endif\n#if defined(VERTEXCOLOR) || defined(INSTANCESCOLOR)\nvarying vec4 vColor;\n#endif\n#include<bumpVertexDeclaration>\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#include<__decl__lightVxFragment>[0..maxSimultaneousLights]\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#endif\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#include<logDepthDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec3 positionUpdated=position;\n#ifdef NORMAL\nvec3 normalUpdated=normal;\n#endif\n#ifdef TANGENT\nvec4 tangentUpdated=tangent;\n#endif\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#ifdef REFLECTIONMAP_SKYBOX\nvPositionUVW=positionUpdated;\n#endif\n#define CUSTOM_VERTEX_UPDATE_POSITION\n#define CUSTOM_VERTEX_UPDATE_NORMAL\n#include<instancesVertex>\n#if defined(PREPASS) && defined(PREPASS_VELOCITY) && !defined(BONES_VELOCITY_ENABLED)\nvCurrentPosition=viewProjection*finalWorld*vec4(positionUpdated,1.0);\nvPreviousPosition=previousViewProjection*finalPreviousWorld*vec4(positionUpdated,1.0);\n#endif\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 worldPos=finalWorld*vec4(positionUpdated,1.0);\nvPositionW=vec3(worldPos);\n#include<prePassVertex>\n#ifdef NORMAL\nmat3 normalWorld=mat3(finalWorld);\n#if defined(INSTANCES) && defined(THIN_INSTANCES)\nvNormalW=normalUpdated/vec3(dot(normalWorld[0],normalWorld[0]),dot(normalWorld[1],normalWorld[1]),dot(normalWorld[2],normalWorld[2]));\nvNormalW=normalize(normalWorld*vNormalW);\n#else\n#ifdef NONUNIFORMSCALING\nnormalWorld=transposeMat3(inverseMat3(normalWorld));\n#endif\nvNormalW=normalize(normalWorld*normalUpdated);\n#endif\n#if defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)\nvec3 reflectionVector=vec3(reflectionMatrix*vec4(vNormalW,0)).xyz;\n#ifdef REFLECTIONMAP_OPPOSITEZ\nreflectionVector.z*=-1.0;\n#endif\nvEnvironmentIrradiance=computeEnvironmentIrradiance(reflectionVector);\n#endif\n#endif\n#define CUSTOM_VERTEX_UPDATE_WORLDPOS\n#ifdef MULTIVIEW\nif (gl_ViewID_OVR==0u) {\ngl_Position=viewProjection*worldPos;\n} else {\ngl_Position=viewProjectionR*worldPos;\n}\n#else\ngl_Position=viewProjection*worldPos;\n#endif\n#if DEBUGMODE>0\nvClipSpacePosition=gl_Position;\n#endif\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvDirectionW=normalize(vec3(finalWorld*vec4(positionUpdated,0.0)));\n#endif\n#ifndef UV1\nvec2 uvUpdated=vec2(0.,0.);\n#endif\n#ifdef MAINUV1\nvMainUV1=uvUpdated;\n#endif\n#include<uvVariableDeclaration>[2..7]\n#include<samplerVertexImplementation>(_DEFINENAME_,ALBEDO,_VARYINGNAME_,Albedo,_MATRIXNAME_,albedo,_INFONAME_,AlbedoInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,DETAIL,_VARYINGNAME_,Detail,_MATRIXNAME_,detail,_INFONAME_,DetailInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,AMBIENT,_VARYINGNAME_,Ambient,_MATRIXNAME_,ambient,_INFONAME_,AmbientInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,OPACITY,_VARYINGNAME_,Opacity,_MATRIXNAME_,opacity,_INFONAME_,OpacityInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,EMISSIVE,_VARYINGNAME_,Emissive,_MATRIXNAME_,emissive,_INFONAME_,EmissiveInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,LIGHTMAP,_VARYINGNAME_,Lightmap,_MATRIXNAME_,lightmap,_INFONAME_,LightmapInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,REFLECTIVITY,_VARYINGNAME_,Reflectivity,_MATRIXNAME_,reflectivity,_INFONAME_,ReflectivityInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,MICROSURFACEMAP,_VARYINGNAME_,MicroSurfaceSampler,_MATRIXNAME_,microSurfaceSampler,_INFONAME_,MicroSurfaceSamplerInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,METALLIC_REFLECTANCE,_VARYINGNAME_,MetallicReflectance,_MATRIXNAME_,metallicReflectance,_INFONAME_,MetallicReflectanceInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,REFLECTANCE,_VARYINGNAME_,Reflectance,_MATRIXNAME_,reflectance,_INFONAME_,ReflectanceInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump,_MATRIXNAME_,bump,_INFONAME_,BumpInfos.x)\n#ifdef CLEARCOAT\n#include<samplerVertexImplementation>(_DEFINENAME_,CLEARCOAT_TEXTURE,_VARYINGNAME_,ClearCoat,_MATRIXNAME_,clearCoat,_INFONAME_,ClearCoatInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,CLEARCOAT_TEXTURE_ROUGHNESS,_VARYINGNAME_,ClearCoatRoughness,_MATRIXNAME_,clearCoatRoughness,_INFONAME_,ClearCoatInfos.z)\n#include<samplerVertexImplementation>(_DEFINENAME_,CLEARCOAT_BUMP,_VARYINGNAME_,ClearCoatBump,_MATRIXNAME_,clearCoatBump,_INFONAME_,ClearCoatBumpInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,CLEARCOAT_TINT_TEXTURE,_VARYINGNAME_,ClearCoatTint,_MATRIXNAME_,clearCoatTint,_INFONAME_,ClearCoatTintInfos.x)\n#endif\n#ifdef SHEEN\n#include<samplerVertexImplementation>(_DEFINENAME_,SHEEN_TEXTURE,_VARYINGNAME_,Sheen,_MATRIXNAME_,sheen,_INFONAME_,SheenInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,SHEEN_TEXTURE_ROUGHNESS,_VARYINGNAME_,SheenRoughness,_MATRIXNAME_,sheen,_INFONAME_,SheenInfos.z)\n#endif\n#ifdef ANISOTROPIC\n#include<samplerVertexImplementation>(_DEFINENAME_,ANISOTROPIC_TEXTURE,_VARYINGNAME_,Anisotropy,_MATRIXNAME_,anisotropy,_INFONAME_,AnisotropyInfos.x)\n#endif\n#ifdef SUBSURFACE\n#include<samplerVertexImplementation>(_DEFINENAME_,SS_THICKNESSANDMASK_TEXTURE,_VARYINGNAME_,Thickness,_MATRIXNAME_,thickness,_INFONAME_,ThicknessInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,SS_REFRACTIONINTENSITY_TEXTURE,_VARYINGNAME_,RefractionIntensity,_MATRIXNAME_,refractionIntensity,_INFONAME_,RefractionIntensityInfos.x)\n#include<samplerVertexImplementation>(_DEFINENAME_,SS_TRANSLUCENCYINTENSITY_TEXTURE,_VARYINGNAME_,TranslucencyIntensity,_MATRIXNAME_,translucencyIntensity,_INFONAME_,TranslucencyIntensityInfos.x)\n#endif\n#include<bumpVertex>\n#include<clipPlaneVertex>\n#include<fogVertex>\n#include<shadowsVertex>[0..maxSimultaneousLights]\n#ifdef VERTEXCOLOR\nvColor=color;\n#elif INSTANCESCOLOR\nvColor=instanceColor;\n#endif\n#if defined(POINTSIZE) && !defined(WEBGPU)\ngl_PointSize=pointSize;\n#endif\n#include<logDepthVertex>\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var Kd = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.CLEARCOAT = !1,
                t.CLEARCOAT_DEFAULTIOR = !1,
                t.CLEARCOAT_TEXTURE = !1,
                t.CLEARCOAT_TEXTURE_ROUGHNESS = !1,
                t.CLEARCOAT_TEXTUREDIRECTUV = 0,
                t.CLEARCOAT_TEXTURE_ROUGHNESSDIRECTUV = 0,
                t.CLEARCOAT_BUMP = !1,
                t.CLEARCOAT_BUMPDIRECTUV = 0,
                t.CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE = !1,
                t.CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL = !1,
                t.CLEARCOAT_REMAP_F0 = !1,
                t.CLEARCOAT_TINT = !1,
                t.CLEARCOAT_TINT_TEXTURE = !1,
                t.CLEARCOAT_TINT_TEXTUREDIRECTUV = 0,
                t.CLEARCOAT_TINT_GAMMATEXTURE = !1,
                t
            }
            return U(t, e),
            t
        }(Si)
          , Qd = function(e) {
            function t(i, n) {
                void 0 === n && (n = !0);
                var r = e.call(this, i, "PBRClearCoat", 100, new Kd, n) || this;
                return r._isEnabled = !1,
                r.isEnabled = !1,
                r.intensity = 1,
                r.roughness = 0,
                r._indexOfRefraction = t._DefaultIndexOfRefraction,
                r.indexOfRefraction = t._DefaultIndexOfRefraction,
                r._texture = null,
                r.texture = null,
                r._useRoughnessFromMainTexture = !0,
                r.useRoughnessFromMainTexture = !0,
                r._textureRoughness = null,
                r.textureRoughness = null,
                r._remapF0OnInterfaceChange = !0,
                r.remapF0OnInterfaceChange = !0,
                r._bumpTexture = null,
                r.bumpTexture = null,
                r._isTintEnabled = !1,
                r.isTintEnabled = !1,
                r.tintColor = D.White(),
                r.tintColorAtDistance = 1,
                r.tintThickness = 1,
                r._tintTexture = null,
                r.tintTexture = null,
                r._internalMarkAllSubMeshesAsTexturesDirty = i._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag],
                r
            }
            return U(t, e),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._enable(this._isEnabled),
                this._internalMarkAllSubMeshesAsTexturesDirty()
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                if (!this._isEnabled)
                    return !0;
                var n = this._material._disableBumpMap;
                if (e._areTexturesDirty && t.texturesEnabled) {
                    if (this._texture && vs.ClearCoatTextureEnabled && !this._texture.isReadyOrNotBlocking())
                        return !1;
                    if (this._textureRoughness && vs.ClearCoatTextureEnabled && !this._textureRoughness.isReadyOrNotBlocking())
                        return !1;
                    if (i.getCaps().standardDerivatives && this._bumpTexture && vs.ClearCoatBumpTextureEnabled && !n && !this._bumpTexture.isReady())
                        return !1;
                    if (this._isTintEnabled && this._tintTexture && vs.ClearCoatTintTextureEnabled && !this._tintTexture.isReadyOrNotBlocking())
                        return !1
                }
                return !0
            }
            ,
            t.prototype.prepareDefines = function(e, i) {
                var n;
                this._isEnabled ? (e.CLEARCOAT = !0,
                e.CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE = this._useRoughnessFromMainTexture,
                e.CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL = null !== this._texture && this._texture._texture === (null === (n = this._textureRoughness) || void 0 === n ? void 0 : n._texture) && this._texture.checkTransformsAreIdentical(this._textureRoughness),
                e.CLEARCOAT_REMAP_F0 = this._remapF0OnInterfaceChange,
                e._areTexturesDirty && i.texturesEnabled && (this._texture && vs.ClearCoatTextureEnabled ? Mr.PrepareDefinesForMergedUV(this._texture, e, "CLEARCOAT_TEXTURE") : e.CLEARCOAT_TEXTURE = !1,
                this._textureRoughness && vs.ClearCoatTextureEnabled ? Mr.PrepareDefinesForMergedUV(this._textureRoughness, e, "CLEARCOAT_TEXTURE_ROUGHNESS") : e.CLEARCOAT_TEXTURE_ROUGHNESS = !1,
                this._bumpTexture && vs.ClearCoatBumpTextureEnabled ? Mr.PrepareDefinesForMergedUV(this._bumpTexture, e, "CLEARCOAT_BUMP") : e.CLEARCOAT_BUMP = !1,
                e.CLEARCOAT_DEFAULTIOR = this._indexOfRefraction === t._DefaultIndexOfRefraction,
                this._isTintEnabled ? (e.CLEARCOAT_TINT = !0,
                this._tintTexture && vs.ClearCoatTintTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._tintTexture, e, "CLEARCOAT_TINT_TEXTURE"),
                e.CLEARCOAT_TINT_GAMMATEXTURE = this._tintTexture.gammaSpace) : e.CLEARCOAT_TINT_TEXTURE = !1) : (e.CLEARCOAT_TINT = !1,
                e.CLEARCOAT_TINT_TEXTURE = !1))) : (e.CLEARCOAT = !1,
                e.CLEARCOAT_TEXTURE = !1,
                e.CLEARCOAT_TEXTURE_ROUGHNESS = !1,
                e.CLEARCOAT_BUMP = !1,
                e.CLEARCOAT_TINT = !1,
                e.CLEARCOAT_TINT_TEXTURE = !1,
                e.CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE = !1,
                e.CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL = !1)
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i, n) {
                var r, o, a, s, l, c, u, h;
                if (this._isEnabled) {
                    var d = n.materialDefines
                      , p = this._material.isFrozen
                      , f = this._material._disableBumpMap
                      , _ = this._material._invertNormalMapX
                      , m = this._material._invertNormalMapY
                      , g = d.CLEARCOAT_TEXTURE_ROUGHNESS_IDENTICAL;
                    if (!e.useUbo || !p || !e.isSync) {
                        g && vs.ClearCoatTextureEnabled ? (e.updateFloat4("vClearCoatInfos", this._texture.coordinatesIndex, this._texture.level, -1, -1),
                        Mr.BindTextureMatrix(this._texture, e, "clearCoat")) : (this._texture || this._textureRoughness) && vs.ClearCoatTextureEnabled && (e.updateFloat4("vClearCoatInfos", null !== (o = null === (r = this._texture) || void 0 === r ? void 0 : r.coordinatesIndex) && void 0 !== o ? o : 0, null !== (s = null === (a = this._texture) || void 0 === a ? void 0 : a.level) && void 0 !== s ? s : 0, null !== (c = null === (l = this._textureRoughness) || void 0 === l ? void 0 : l.coordinatesIndex) && void 0 !== c ? c : 0, null !== (h = null === (u = this._textureRoughness) || void 0 === u ? void 0 : u.level) && void 0 !== h ? h : 0),
                        this._texture && Mr.BindTextureMatrix(this._texture, e, "clearCoat"),
                        !this._textureRoughness || g || d.CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE || Mr.BindTextureMatrix(this._textureRoughness, e, "clearCoatRoughness")),
                        this._bumpTexture && i.getCaps().standardDerivatives && vs.ClearCoatTextureEnabled && !f && (e.updateFloat2("vClearCoatBumpInfos", this._bumpTexture.coordinatesIndex, this._bumpTexture.level),
                        Mr.BindTextureMatrix(this._bumpTexture, e, "clearCoatBump"),
                        t._mirroredCameraPosition ? e.updateFloat2("vClearCoatTangentSpaceParams", _ ? 1 : -1, m ? 1 : -1) : e.updateFloat2("vClearCoatTangentSpaceParams", _ ? -1 : 1, m ? -1 : 1)),
                        this._tintTexture && vs.ClearCoatTintTextureEnabled && (e.updateFloat2("vClearCoatTintInfos", this._tintTexture.coordinatesIndex, this._tintTexture.level),
                        Mr.BindTextureMatrix(this._tintTexture, e, "clearCoatTint")),
                        e.updateFloat2("vClearCoatParams", this.intensity, this.roughness);
                        var v = 1 - this._indexOfRefraction
                          , y = 1 + this._indexOfRefraction
                          , b = Math.pow(-v / y, 2)
                          , T = 1 / this._indexOfRefraction;
                        e.updateFloat4("vClearCoatRefractionParams", b, T, v, y),
                        this._isTintEnabled && (e.updateFloat4("vClearCoatTintParams", this.tintColor.r, this.tintColor.g, this.tintColor.b, Math.max(1e-5, this.tintThickness)),
                        e.updateFloat("clearCoatColorAtDistance", Math.max(1e-5, this.tintColorAtDistance)))
                    }
                    t.texturesEnabled && (this._texture && vs.ClearCoatTextureEnabled && e.setTexture("clearCoatSampler", this._texture),
                    this._textureRoughness && !g && !d.CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE && vs.ClearCoatTextureEnabled && e.setTexture("clearCoatRoughnessSampler", this._textureRoughness),
                    this._bumpTexture && i.getCaps().standardDerivatives && vs.ClearCoatBumpTextureEnabled && !f && e.setTexture("clearCoatBumpSampler", this._bumpTexture),
                    this._isTintEnabled && this._tintTexture && vs.ClearCoatTintTextureEnabled && e.setTexture("clearCoatTintSampler", this._tintTexture))
                }
            }
            ,
            t.prototype.hasTexture = function(e) {
                return this._texture === e || this._textureRoughness === e || this._bumpTexture === e || this._tintTexture === e
            }
            ,
            t.prototype.getActiveTextures = function(e) {
                this._texture && e.push(this._texture),
                this._textureRoughness && e.push(this._textureRoughness),
                this._bumpTexture && e.push(this._bumpTexture),
                this._tintTexture && e.push(this._tintTexture)
            }
            ,
            t.prototype.getAnimatables = function(e) {
                this._texture && this._texture.animations && this._texture.animations.length > 0 && e.push(this._texture),
                this._textureRoughness && this._textureRoughness.animations && this._textureRoughness.animations.length > 0 && e.push(this._textureRoughness),
                this._bumpTexture && this._bumpTexture.animations && this._bumpTexture.animations.length > 0 && e.push(this._bumpTexture),
                this._tintTexture && this._tintTexture.animations && this._tintTexture.animations.length > 0 && e.push(this._tintTexture)
            }
            ,
            t.prototype.dispose = function(e) {
                var t, i, n, r;
                e && (null === (t = this._texture) || void 0 === t || t.dispose(),
                null === (i = this._textureRoughness) || void 0 === i || i.dispose(),
                null === (n = this._bumpTexture) || void 0 === n || n.dispose(),
                null === (r = this._tintTexture) || void 0 === r || r.dispose())
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRClearCoatConfiguration"
            }
            ,
            t.prototype.addFallbacks = function(e, t, i) {
                return e.CLEARCOAT_BUMP && t.addFallback(i++, "CLEARCOAT_BUMP"),
                e.CLEARCOAT_TINT && t.addFallback(i++, "CLEARCOAT_TINT"),
                e.CLEARCOAT && t.addFallback(i++, "CLEARCOAT"),
                i
            }
            ,
            t.prototype.getSamplers = function(e) {
                e.push("clearCoatSampler", "clearCoatRoughnessSampler", "clearCoatBumpSampler", "clearCoatTintSampler")
            }
            ,
            t.prototype.getUniforms = function() {
                return {
                    ubo: [{
                        name: "vClearCoatParams",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vClearCoatRefractionParams",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "vClearCoatInfos",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "clearCoatMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "clearCoatRoughnessMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "vClearCoatBumpInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vClearCoatTangentSpaceParams",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "clearCoatBumpMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "vClearCoatTintParams",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "clearCoatColorAtDistance",
                        size: 1,
                        type: "float"
                    }, {
                        name: "vClearCoatTintInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "clearCoatTintMatrix",
                        size: 16,
                        type: "mat4"
                    }]
                }
            }
            ,
            t._DefaultIndexOfRefraction = 1.5,
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isEnabled", void 0),
            k([Ce()], t.prototype, "intensity", void 0),
            k([Ce()], t.prototype, "roughness", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "indexOfRefraction", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "texture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRoughnessFromMainTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "textureRoughness", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "remapF0OnInterfaceChange", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "bumpTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isTintEnabled", void 0),
            k([Me()], t.prototype, "tintColor", void 0),
            k([Ce()], t.prototype, "tintColorAtDistance", void 0),
            k([Ce()], t.prototype, "tintThickness", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "tintTexture", void 0),
            t
        }(Rs)
          , qd = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.ANISOTROPIC = !1,
                t.ANISOTROPIC_TEXTURE = !1,
                t.ANISOTROPIC_TEXTUREDIRECTUV = 0,
                t.MAINUV1 = !1,
                t
            }
            return U(t, e),
            t
        }(Si)
          , Zd = function(e) {
            function t(t, i) {
                void 0 === i && (i = !0);
                var n = e.call(this, t, "PBRAnisotropic", 110, new qd, i) || this;
                return n._isEnabled = !1,
                n.isEnabled = !1,
                n.intensity = 1,
                n.direction = new A(1,0),
                n._texture = null,
                n.texture = null,
                n._internalMarkAllSubMeshesAsTexturesDirty = t._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag],
                n
            }
            return U(t, e),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._enable(this._isEnabled),
                this._internalMarkAllSubMeshesAsTexturesDirty()
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t) {
                return !this._isEnabled || !(e._areTexturesDirty && t.texturesEnabled && this._texture && vs.AnisotropicTextureEnabled && !this._texture.isReadyOrNotBlocking())
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                this._isEnabled ? (e.ANISOTROPIC = this._isEnabled,
                this._isEnabled && !i.isVerticesDataPresent(Bi.TangentKind) && (e._needUVs = !0,
                e.MAINUV1 = !0),
                e._areTexturesDirty && t.texturesEnabled && (this._texture && vs.AnisotropicTextureEnabled ? Mr.PrepareDefinesForMergedUV(this._texture, e, "ANISOTROPIC_TEXTURE") : e.ANISOTROPIC_TEXTURE = !1)) : (e.ANISOTROPIC = !1,
                e.ANISOTROPIC_TEXTURE = !1)
            }
            ,
            t.prototype.bindForSubMesh = function(e, t) {
                if (this._isEnabled) {
                    var i = this._material.isFrozen;
                    e.useUbo && i && e.isSync || (this._texture && vs.AnisotropicTextureEnabled && (e.updateFloat2("vAnisotropyInfos", this._texture.coordinatesIndex, this._texture.level),
                    Mr.BindTextureMatrix(this._texture, e, "anisotropy")),
                    e.updateFloat3("vAnisotropy", this.direction.x, this.direction.y, this.intensity)),
                    t.texturesEnabled && this._texture && vs.AnisotropicTextureEnabled && e.setTexture("anisotropySampler", this._texture)
                }
            }
            ,
            t.prototype.hasTexture = function(e) {
                return this._texture === e
            }
            ,
            t.prototype.getActiveTextures = function(e) {
                this._texture && e.push(this._texture)
            }
            ,
            t.prototype.getAnimatables = function(e) {
                this._texture && this._texture.animations && this._texture.animations.length > 0 && e.push(this._texture)
            }
            ,
            t.prototype.dispose = function(e) {
                e && this._texture && this._texture.dispose()
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRAnisotropicConfiguration"
            }
            ,
            t.prototype.addFallbacks = function(e, t, i) {
                return e.ANISOTROPIC && t.addFallback(i++, "ANISOTROPIC"),
                i
            }
            ,
            t.prototype.getSamplers = function(e) {
                e.push("anisotropySampler")
            }
            ,
            t.prototype.getUniforms = function() {
                return {
                    ubo: [{
                        name: "vAnisotropy",
                        size: 3,
                        type: "vec3"
                    }, {
                        name: "vAnisotropyInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "anisotropyMatrix",
                        size: 16,
                        type: "mat4"
                    }]
                }
            }
            ,
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isEnabled", void 0),
            k([Ce()], t.prototype, "intensity", void 0),
            k([Oe()], t.prototype, "direction", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "texture", void 0),
            t
        }(Rs)
          , Jd = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.SHEEN = !1,
                t.SHEEN_TEXTURE = !1,
                t.SHEEN_GAMMATEXTURE = !1,
                t.SHEEN_TEXTURE_ROUGHNESS = !1,
                t.SHEEN_TEXTUREDIRECTUV = 0,
                t.SHEEN_TEXTURE_ROUGHNESSDIRECTUV = 0,
                t.SHEEN_LINKWITHALBEDO = !1,
                t.SHEEN_ROUGHNESS = !1,
                t.SHEEN_ALBEDOSCALING = !1,
                t.SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE = !1,
                t.SHEEN_TEXTURE_ROUGHNESS_IDENTICAL = !1,
                t
            }
            return U(t, e),
            t
        }(Si)
          , $d = function(e) {
            function t(t, i) {
                void 0 === i && (i = !0);
                var n = e.call(this, t, "Sheen", 120, new Jd, i) || this;
                return n._isEnabled = !1,
                n.isEnabled = !1,
                n._linkSheenWithAlbedo = !1,
                n.linkSheenWithAlbedo = !1,
                n.intensity = 1,
                n.color = D.White(),
                n._texture = null,
                n.texture = null,
                n._useRoughnessFromMainTexture = !0,
                n.useRoughnessFromMainTexture = !0,
                n._roughness = null,
                n.roughness = null,
                n._textureRoughness = null,
                n.textureRoughness = null,
                n._albedoScaling = !1,
                n.albedoScaling = !1,
                n._internalMarkAllSubMeshesAsTexturesDirty = t._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag],
                n
            }
            return U(t, e),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._enable(this._isEnabled),
                this._internalMarkAllSubMeshesAsTexturesDirty()
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t) {
                if (!this._isEnabled)
                    return !0;
                if (e._areTexturesDirty && t.texturesEnabled) {
                    if (this._texture && vs.SheenTextureEnabled && !this._texture.isReadyOrNotBlocking())
                        return !1;
                    if (this._textureRoughness && vs.SheenTextureEnabled && !this._textureRoughness.isReadyOrNotBlocking())
                        return !1
                }
                return !0
            }
            ,
            t.prototype.prepareDefines = function(e, t) {
                var i;
                this._isEnabled ? (e.SHEEN = !0,
                e.SHEEN_LINKWITHALBEDO = this._linkSheenWithAlbedo,
                e.SHEEN_ROUGHNESS = null !== this._roughness,
                e.SHEEN_ALBEDOSCALING = this._albedoScaling,
                e.SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE = this._useRoughnessFromMainTexture,
                e.SHEEN_TEXTURE_ROUGHNESS_IDENTICAL = null !== this._texture && this._texture._texture === (null === (i = this._textureRoughness) || void 0 === i ? void 0 : i._texture) && this._texture.checkTransformsAreIdentical(this._textureRoughness),
                e._areTexturesDirty && t.texturesEnabled && (this._texture && vs.SheenTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._texture, e, "SHEEN_TEXTURE"),
                e.SHEEN_GAMMATEXTURE = this._texture.gammaSpace) : e.SHEEN_TEXTURE = !1,
                this._textureRoughness && vs.SheenTextureEnabled ? Mr.PrepareDefinesForMergedUV(this._textureRoughness, e, "SHEEN_TEXTURE_ROUGHNESS") : e.SHEEN_TEXTURE_ROUGHNESS = !1)) : (e.SHEEN = !1,
                e.SHEEN_TEXTURE = !1,
                e.SHEEN_TEXTURE_ROUGHNESS = !1,
                e.SHEEN_LINKWITHALBEDO = !1,
                e.SHEEN_ROUGHNESS = !1,
                e.SHEEN_ALBEDOSCALING = !1,
                e.SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE = !1,
                e.SHEEN_TEXTURE_ROUGHNESS_IDENTICAL = !1)
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i, n) {
                var r, o, a, s, l, c, u, h;
                if (this._isEnabled) {
                    var d = n.materialDefines
                      , p = this._material.isFrozen
                      , f = d.SHEEN_TEXTURE_ROUGHNESS_IDENTICAL;
                    e.useUbo && p && e.isSync || (f && vs.SheenTextureEnabled ? (e.updateFloat4("vSheenInfos", this._texture.coordinatesIndex, this._texture.level, -1, -1),
                    Mr.BindTextureMatrix(this._texture, e, "sheen")) : (this._texture || this._textureRoughness) && vs.SheenTextureEnabled && (e.updateFloat4("vSheenInfos", null !== (o = null === (r = this._texture) || void 0 === r ? void 0 : r.coordinatesIndex) && void 0 !== o ? o : 0, null !== (s = null === (a = this._texture) || void 0 === a ? void 0 : a.level) && void 0 !== s ? s : 0, null !== (c = null === (l = this._textureRoughness) || void 0 === l ? void 0 : l.coordinatesIndex) && void 0 !== c ? c : 0, null !== (h = null === (u = this._textureRoughness) || void 0 === u ? void 0 : u.level) && void 0 !== h ? h : 0),
                    this._texture && Mr.BindTextureMatrix(this._texture, e, "sheen"),
                    !this._textureRoughness || f || d.SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE || Mr.BindTextureMatrix(this._textureRoughness, e, "sheenRoughness")),
                    e.updateFloat4("vSheenColor", this.color.r, this.color.g, this.color.b, this.intensity),
                    null !== this._roughness && e.updateFloat("vSheenRoughness", this._roughness)),
                    t.texturesEnabled && (this._texture && vs.SheenTextureEnabled && e.setTexture("sheenSampler", this._texture),
                    this._textureRoughness && !f && !d.SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE && vs.SheenTextureEnabled && e.setTexture("sheenRoughnessSampler", this._textureRoughness))
                }
            }
            ,
            t.prototype.hasTexture = function(e) {
                return this._texture === e || this._textureRoughness === e
            }
            ,
            t.prototype.getActiveTextures = function(e) {
                this._texture && e.push(this._texture),
                this._textureRoughness && e.push(this._textureRoughness)
            }
            ,
            t.prototype.getAnimatables = function(e) {
                this._texture && this._texture.animations && this._texture.animations.length > 0 && e.push(this._texture),
                this._textureRoughness && this._textureRoughness.animations && this._textureRoughness.animations.length > 0 && e.push(this._textureRoughness)
            }
            ,
            t.prototype.dispose = function(e) {
                var t, i;
                e && (null === (t = this._texture) || void 0 === t || t.dispose(),
                null === (i = this._textureRoughness) || void 0 === i || i.dispose())
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRSheenConfiguration"
            }
            ,
            t.prototype.addFallbacks = function(e, t, i) {
                return e.SHEEN && t.addFallback(i++, "SHEEN"),
                i
            }
            ,
            t.prototype.getSamplers = function(e) {
                e.push("sheenSampler", "sheenRoughnessSampler")
            }
            ,
            t.prototype.getUniforms = function() {
                return {
                    ubo: [{
                        name: "vSheenColor",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "vSheenRoughness",
                        size: 1,
                        type: "float"
                    }, {
                        name: "vSheenInfos",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "sheenMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "sheenRoughnessMatrix",
                        size: 16,
                        type: "mat4"
                    }]
                }
            }
            ,
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isEnabled", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "linkSheenWithAlbedo", void 0),
            k([Ce()], t.prototype, "intensity", void 0),
            k([Me()], t.prototype, "color", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "texture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRoughnessFromMainTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "roughness", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "textureRoughness", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "albedoScaling", void 0),
            t
        }(Rs)
          , ep = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.SUBSURFACE = !1,
                t.SS_REFRACTION = !1,
                t.SS_REFRACTION_USE_INTENSITY_FROM_TEXTURE = !1,
                t.SS_TRANSLUCENCY = !1,
                t.SS_TRANSLUCENCY_USE_INTENSITY_FROM_TEXTURE = !1,
                t.SS_SCATTERING = !1,
                t.SS_THICKNESSANDMASK_TEXTURE = !1,
                t.SS_THICKNESSANDMASK_TEXTUREDIRECTUV = 0,
                t.SS_HAS_THICKNESS = !1,
                t.SS_REFRACTIONINTENSITY_TEXTURE = !1,
                t.SS_REFRACTIONINTENSITY_TEXTUREDIRECTUV = 0,
                t.SS_TRANSLUCENCYINTENSITY_TEXTURE = !1,
                t.SS_TRANSLUCENCYINTENSITY_TEXTUREDIRECTUV = 0,
                t.SS_REFRACTIONMAP_3D = !1,
                t.SS_REFRACTIONMAP_OPPOSITEZ = !1,
                t.SS_LODINREFRACTIONALPHA = !1,
                t.SS_GAMMAREFRACTION = !1,
                t.SS_RGBDREFRACTION = !1,
                t.SS_LINEARSPECULARREFRACTION = !1,
                t.SS_LINKREFRACTIONTOTRANSPARENCY = !1,
                t.SS_ALBEDOFORREFRACTIONTINT = !1,
                t.SS_ALBEDOFORTRANSLUCENCYTINT = !1,
                t.SS_USE_LOCAL_REFRACTIONMAP_CUBIC = !1,
                t.SS_USE_THICKNESS_AS_DEPTH = !1,
                t.SS_MASK_FROM_THICKNESS_TEXTURE = !1,
                t.SS_USE_GLTF_TEXTURES = !1,
                t
            }
            return U(t, e),
            t
        }(Si)
          , tp = function(e) {
            function t(t, i) {
                void 0 === i && (i = !0);
                var n = e.call(this, t, "PBRSubSurface", 130, new ep, i) || this;
                return n._isRefractionEnabled = !1,
                n.isRefractionEnabled = !1,
                n._isTranslucencyEnabled = !1,
                n.isTranslucencyEnabled = !1,
                n._isScatteringEnabled = !1,
                n.isScatteringEnabled = !1,
                n._scatteringDiffusionProfileIndex = 0,
                n.refractionIntensity = 1,
                n.translucencyIntensity = 1,
                n.useAlbedoToTintRefraction = !1,
                n.useAlbedoToTintTranslucency = !1,
                n._thicknessTexture = null,
                n.thicknessTexture = null,
                n._refractionTexture = null,
                n.refractionTexture = null,
                n._indexOfRefraction = 1.5,
                n.indexOfRefraction = 1.5,
                n._volumeIndexOfRefraction = -1,
                n._invertRefractionY = !1,
                n.invertRefractionY = !1,
                n._linkRefractionWithTransparency = !1,
                n.linkRefractionWithTransparency = !1,
                n.minimumThickness = 0,
                n.maximumThickness = 1,
                n.useThicknessAsDepth = !1,
                n.tintColor = D.White(),
                n.tintColorAtDistance = 1,
                n.diffusionDistance = D.White(),
                n._useMaskFromThicknessTexture = !1,
                n.useMaskFromThicknessTexture = !1,
                n._refractionIntensityTexture = null,
                n.refractionIntensityTexture = null,
                n._translucencyIntensityTexture = null,
                n.translucencyIntensityTexture = null,
                n._useGltfStyleTextures = !1,
                n.useGltfStyleTextures = !1,
                n._scene = t.getScene(),
                n.registerForExtraEvents = !0,
                n._internalMarkAllSubMeshesAsTexturesDirty = t._dirtyCallbacks[a.MATERIAL_TextureDirtyFlag],
                n._internalMarkScenePrePassDirty = t._dirtyCallbacks[a.MATERIAL_PrePassDirtyFlag],
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "scatteringDiffusionProfile", {
                get: function() {
                    return this._scene.subSurfaceConfiguration ? this._scene.subSurfaceConfiguration.ssDiffusionProfileColors[this._scatteringDiffusionProfileIndex] : null
                },
                set: function(e) {
                    this._scene.enableSubSurfaceForPrePass() && e && (this._scatteringDiffusionProfileIndex = this._scene.subSurfaceConfiguration.addDiffusionProfile(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "volumeIndexOfRefraction", {
                get: function() {
                    return this._volumeIndexOfRefraction >= 1 ? this._volumeIndexOfRefraction : this._indexOfRefraction
                },
                set: function(e) {
                    this._volumeIndexOfRefraction = e >= 1 ? e : -1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._markAllSubMeshesAsTexturesDirty = function() {
                this._enable(this._isRefractionEnabled || this._isTranslucencyEnabled || this._isScatteringEnabled),
                this._internalMarkAllSubMeshesAsTexturesDirty()
            }
            ,
            t.prototype._markScenePrePassDirty = function() {
                this._internalMarkAllSubMeshesAsTexturesDirty(),
                this._internalMarkScenePrePassDirty()
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t) {
                if (!this._isRefractionEnabled && !this._isTranslucencyEnabled && !this._isScatteringEnabled)
                    return !0;
                if (e._areTexturesDirty && t.texturesEnabled) {
                    if (this._thicknessTexture && vs.ThicknessTextureEnabled && !this._thicknessTexture.isReadyOrNotBlocking())
                        return !1;
                    var i = this._getRefractionTexture(t);
                    if (i && vs.RefractionTextureEnabled && !i.isReadyOrNotBlocking())
                        return !1
                }
                return !0
            }
            ,
            t.prototype.prepareDefines = function(e, t) {
                if (!this._isRefractionEnabled && !this._isTranslucencyEnabled && !this._isScatteringEnabled)
                    return e.SUBSURFACE = !1,
                    e.SS_TRANSLUCENCY = !1,
                    e.SS_SCATTERING = !1,
                    void (e.SS_REFRACTION = !1);
                if (e._areTexturesDirty) {
                    e.SUBSURFACE = !0,
                    e.SS_TRANSLUCENCY = this._isTranslucencyEnabled,
                    e.SS_TRANSLUCENCY_USE_INTENSITY_FROM_TEXTURE = !1,
                    e.SS_SCATTERING = this._isScatteringEnabled,
                    e.SS_THICKNESSANDMASK_TEXTURE = !1,
                    e.SS_REFRACTIONINTENSITY_TEXTURE = !1,
                    e.SS_TRANSLUCENCYINTENSITY_TEXTURE = !1,
                    e.SS_HAS_THICKNESS = !1,
                    e.SS_MASK_FROM_THICKNESS_TEXTURE = !1,
                    e.SS_USE_GLTF_TEXTURES = !1,
                    e.SS_REFRACTION = !1,
                    e.SS_REFRACTION_USE_INTENSITY_FROM_TEXTURE = !1,
                    e.SS_REFRACTIONMAP_3D = !1,
                    e.SS_GAMMAREFRACTION = !1,
                    e.SS_RGBDREFRACTION = !1,
                    e.SS_LINEARSPECULARREFRACTION = !1,
                    e.SS_REFRACTIONMAP_OPPOSITEZ = !1,
                    e.SS_LODINREFRACTIONALPHA = !1,
                    e.SS_LINKREFRACTIONTOTRANSPARENCY = !1,
                    e.SS_ALBEDOFORREFRACTIONTINT = !1,
                    e.SS_ALBEDOFORTRANSLUCENCYTINT = !1,
                    e.SS_USE_LOCAL_REFRACTIONMAP_CUBIC = !1,
                    e.SS_USE_THICKNESS_AS_DEPTH = !1;
                    var i = !!this._thicknessTexture && !!this._refractionIntensityTexture && this._refractionIntensityTexture.checkTransformsAreIdentical(this._thicknessTexture) && this._refractionIntensityTexture._texture === this._thicknessTexture._texture
                      , n = !!this._thicknessTexture && !!this._translucencyIntensityTexture && this._translucencyIntensityTexture.checkTransformsAreIdentical(this._thicknessTexture) && this._translucencyIntensityTexture._texture === this._thicknessTexture._texture
                      , r = (i || !this._refractionIntensityTexture) && (n || !this._translucencyIntensityTexture);
                    if (e._areTexturesDirty && t.texturesEnabled && (this._thicknessTexture && vs.ThicknessTextureEnabled && Mr.PrepareDefinesForMergedUV(this._thicknessTexture, e, "SS_THICKNESSANDMASK_TEXTURE"),
                    this._refractionIntensityTexture && vs.RefractionIntensityTextureEnabled && !r && Mr.PrepareDefinesForMergedUV(this._refractionIntensityTexture, e, "SS_REFRACTIONINTENSITY_TEXTURE"),
                    this._translucencyIntensityTexture && vs.TranslucencyIntensityTextureEnabled && !r && Mr.PrepareDefinesForMergedUV(this._translucencyIntensityTexture, e, "SS_TRANSLUCENCYINTENSITY_TEXTURE")),
                    e.SS_HAS_THICKNESS = this.maximumThickness - this.minimumThickness != 0,
                    e.SS_MASK_FROM_THICKNESS_TEXTURE = (this._useMaskFromThicknessTexture || !!this._refractionIntensityTexture || !!this._translucencyIntensityTexture) && r,
                    e.SS_USE_GLTF_TEXTURES = this._useGltfStyleTextures,
                    e.SS_REFRACTION_USE_INTENSITY_FROM_TEXTURE = (this._useMaskFromThicknessTexture || !!this._refractionIntensityTexture) && r,
                    e.SS_TRANSLUCENCY_USE_INTENSITY_FROM_TEXTURE = (this._useMaskFromThicknessTexture || !!this._translucencyIntensityTexture) && r,
                    this._isRefractionEnabled && t.texturesEnabled) {
                        var o = this._getRefractionTexture(t);
                        o && vs.RefractionTextureEnabled && (e.SS_REFRACTION = !0,
                        e.SS_REFRACTIONMAP_3D = o.isCube,
                        e.SS_GAMMAREFRACTION = o.gammaSpace,
                        e.SS_RGBDREFRACTION = o.isRGBD,
                        e.SS_LINEARSPECULARREFRACTION = o.linearSpecularLOD,
                        e.SS_REFRACTIONMAP_OPPOSITEZ = o.invertZ,
                        e.SS_LODINREFRACTIONALPHA = o.lodLevelInAlpha,
                        e.SS_LINKREFRACTIONTOTRANSPARENCY = this._linkRefractionWithTransparency,
                        e.SS_ALBEDOFORREFRACTIONTINT = this.useAlbedoToTintRefraction,
                        e.SS_USE_LOCAL_REFRACTIONMAP_CUBIC = o.isCube && o.boundingBoxSize,
                        e.SS_USE_THICKNESS_AS_DEPTH = this.useThicknessAsDepth)
                    }
                    this._isTranslucencyEnabled && (e.SS_ALBEDOFORTRANSLUCENCYTINT = this.useAlbedoToTintTranslucency)
                }
            }
            ,
            t.prototype.hardBindForSubMesh = function(e, t, i, n) {
                if (this._isRefractionEnabled || this._isTranslucencyEnabled || this._isScatteringEnabled) {
                    n.getRenderingMesh().getWorldMatrix().decompose(I.Vector3[0]);
                    var r = Math.max(Math.abs(I.Vector3[0].x), Math.abs(I.Vector3[0].y), Math.abs(I.Vector3[0].z));
                    e.updateFloat2("vThicknessParam", this.minimumThickness * r, (this.maximumThickness - this.minimumThickness) * r)
                }
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i, n) {
                if (this._isRefractionEnabled || this._isTranslucencyEnabled || this._isScatteringEnabled) {
                    var r = n.materialDefines
                      , o = this._material.isFrozen
                      , a = this._material.realTimeFiltering
                      , s = r.LODBASEDMICROSFURACE
                      , l = this._getRefractionTexture(t);
                    if (!e.useUbo || !o || !e.isSync) {
                        if (this._thicknessTexture && vs.ThicknessTextureEnabled && (e.updateFloat2("vThicknessInfos", this._thicknessTexture.coordinatesIndex, this._thicknessTexture.level),
                        Mr.BindTextureMatrix(this._thicknessTexture, e, "thickness")),
                        this._refractionIntensityTexture && vs.RefractionIntensityTextureEnabled && r.SS_REFRACTIONINTENSITY_TEXTURE && (e.updateFloat2("vRefractionIntensityInfos", this._refractionIntensityTexture.coordinatesIndex, this._refractionIntensityTexture.level),
                        Mr.BindTextureMatrix(this._refractionIntensityTexture, e, "refractionIntensity")),
                        this._translucencyIntensityTexture && vs.TranslucencyIntensityTextureEnabled && r.SS_TRANSLUCENCYINTENSITY_TEXTURE && (e.updateFloat2("vTranslucencyIntensityInfos", this._translucencyIntensityTexture.coordinatesIndex, this._translucencyIntensityTexture.level),
                        Mr.BindTextureMatrix(this._translucencyIntensityTexture, e, "translucencyIntensity")),
                        l && vs.RefractionTextureEnabled) {
                            e.updateMatrix("refractionMatrix", l.getReflectionTextureMatrix());
                            var c = 1;
                            l.isCube || l.depth && (c = l.depth);
                            var u = l.getSize().width
                              , h = this.volumeIndexOfRefraction;
                            if (e.updateFloat4("vRefractionInfos", l.level, 1 / h, c, this._invertRefractionY ? -1 : 1),
                            e.updateFloat4("vRefractionMicrosurfaceInfos", u, l.lodGenerationScale, l.lodGenerationOffset, 1 / this.indexOfRefraction),
                            a && e.updateFloat2("vRefractionFilteringInfo", u, d.Log2(u)),
                            l.boundingBoxSize) {
                                var p = l;
                                e.updateVector3("vRefractionPosition", p.boundingBoxPosition),
                                e.updateVector3("vRefractionSize", p.boundingBoxSize)
                            }
                        }
                        this._isScatteringEnabled && e.updateFloat("scatteringDiffusionProfile", this._scatteringDiffusionProfileIndex),
                        e.updateColor3("vDiffusionDistance", this.diffusionDistance),
                        e.updateFloat4("vTintColor", this.tintColor.r, this.tintColor.g, this.tintColor.b, Math.max(1e-5, this.tintColorAtDistance)),
                        e.updateFloat3("vSubSurfaceIntensity", this.refractionIntensity, this.translucencyIntensity, 0)
                    }
                    t.texturesEnabled && (this._thicknessTexture && vs.ThicknessTextureEnabled && e.setTexture("thicknessSampler", this._thicknessTexture),
                    this._refractionIntensityTexture && vs.RefractionIntensityTextureEnabled && r.SS_REFRACTIONINTENSITY_TEXTURE && e.setTexture("refractionIntensitySampler", this._refractionIntensityTexture),
                    this._translucencyIntensityTexture && vs.TranslucencyIntensityTextureEnabled && r.SS_TRANSLUCENCYINTENSITY_TEXTURE && e.setTexture("translucencyIntensitySampler", this._translucencyIntensityTexture),
                    l && vs.RefractionTextureEnabled && (s ? e.setTexture("refractionSampler", l) : (e.setTexture("refractionSampler", l._lodTextureMid || l),
                    e.setTexture("refractionSamplerLow", l._lodTextureLow || l),
                    e.setTexture("refractionSamplerHigh", l._lodTextureHigh || l))))
                }
            }
            ,
            t.prototype._getRefractionTexture = function(e) {
                return this._refractionTexture ? this._refractionTexture : this._isRefractionEnabled ? e.environmentTexture : null
            }
            ,
            Object.defineProperty(t.prototype, "disableAlphaBlending", {
                get: function() {
                    return this._isRefractionEnabled && this._linkRefractionWithTransparency
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.fillRenderTargetTextures = function(e) {
                vs.RefractionTextureEnabled && this._refractionTexture && this._refractionTexture.isRenderTarget && e.push(this._refractionTexture)
            }
            ,
            t.prototype.hasTexture = function(e) {
                return this._thicknessTexture === e || this._refractionTexture === e
            }
            ,
            t.prototype.hasRenderTargetTextures = function() {
                return !!(vs.RefractionTextureEnabled && this._refractionTexture && this._refractionTexture.isRenderTarget)
            }
            ,
            t.prototype.getActiveTextures = function(e) {
                this._thicknessTexture && e.push(this._thicknessTexture),
                this._refractionTexture && e.push(this._refractionTexture)
            }
            ,
            t.prototype.getAnimatables = function(e) {
                this._thicknessTexture && this._thicknessTexture.animations && this._thicknessTexture.animations.length > 0 && e.push(this._thicknessTexture),
                this._refractionTexture && this._refractionTexture.animations && this._refractionTexture.animations.length > 0 && e.push(this._refractionTexture)
            }
            ,
            t.prototype.dispose = function(e) {
                e && (this._thicknessTexture && this._thicknessTexture.dispose(),
                this._refractionTexture && this._refractionTexture.dispose())
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRSubSurfaceConfiguration"
            }
            ,
            t.prototype.addFallbacks = function(e, t, i) {
                return e.SS_SCATTERING && t.addFallback(i++, "SS_SCATTERING"),
                e.SS_TRANSLUCENCY && t.addFallback(i++, "SS_TRANSLUCENCY"),
                i
            }
            ,
            t.prototype.getSamplers = function(e) {
                e.push("thicknessSampler", "refractionIntensitySampler", "translucencyIntensitySampler", "refractionSampler", "refractionSamplerLow", "refractionSamplerHigh")
            }
            ,
            t.prototype.getUniforms = function() {
                return {
                    ubo: [{
                        name: "vRefractionMicrosurfaceInfos",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "vRefractionFilteringInfo",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vTranslucencyIntensityInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vRefractionInfos",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "refractionMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "vThicknessInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vRefractionIntensityInfos",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "thicknessMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "refractionIntensityMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "translucencyIntensityMatrix",
                        size: 16,
                        type: "mat4"
                    }, {
                        name: "vThicknessParam",
                        size: 2,
                        type: "vec2"
                    }, {
                        name: "vDiffusionDistance",
                        size: 3,
                        type: "vec3"
                    }, {
                        name: "vTintColor",
                        size: 4,
                        type: "vec4"
                    }, {
                        name: "vSubSurfaceIntensity",
                        size: 3,
                        type: "vec3"
                    }, {
                        name: "vRefractionPosition",
                        size: 3,
                        type: "vec3"
                    }, {
                        name: "vRefractionSize",
                        size: 3,
                        type: "vec3"
                    }, {
                        name: "scatteringDiffusionProfile",
                        size: 1,
                        type: "float"
                    }]
                }
            }
            ,
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isRefractionEnabled", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "isTranslucencyEnabled", void 0),
            k([Ce(), Re("_markScenePrePassDirty")], t.prototype, "isScatteringEnabled", void 0),
            k([Ce()], t.prototype, "_scatteringDiffusionProfileIndex", void 0),
            k([Ce()], t.prototype, "refractionIntensity", void 0),
            k([Ce()], t.prototype, "translucencyIntensity", void 0),
            k([Ce()], t.prototype, "useAlbedoToTintRefraction", void 0),
            k([Ce()], t.prototype, "useAlbedoToTintTranslucency", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "thicknessTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "refractionTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "indexOfRefraction", void 0),
            k([Ce()], t.prototype, "_volumeIndexOfRefraction", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "volumeIndexOfRefraction", null),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertRefractionY", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "linkRefractionWithTransparency", void 0),
            k([Ce()], t.prototype, "minimumThickness", void 0),
            k([Ce()], t.prototype, "maximumThickness", void 0),
            k([Ce()], t.prototype, "useThicknessAsDepth", void 0),
            k([Me()], t.prototype, "tintColor", void 0),
            k([Ce()], t.prototype, "tintColorAtDistance", void 0),
            k([Me()], t.prototype, "diffusionDistance", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useMaskFromThicknessTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "refractionIntensityTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "translucencyIntensityTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useGltfStyleTextures", void 0),
            t
        }(Rs)
          , ip = {
            effect: null,
            subMesh: null
        }
          , np = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.PBR = !0,
                i.NUM_SAMPLES = "0",
                i.REALTIME_FILTERING = !1,
                i.MAINUV1 = !1,
                i.MAINUV2 = !1,
                i.MAINUV3 = !1,
                i.MAINUV4 = !1,
                i.MAINUV5 = !1,
                i.MAINUV6 = !1,
                i.UV1 = !1,
                i.UV2 = !1,
                i.UV3 = !1,
                i.UV4 = !1,
                i.UV5 = !1,
                i.UV6 = !1,
                i.ALBEDO = !1,
                i.GAMMAALBEDO = !1,
                i.ALBEDODIRECTUV = 0,
                i.VERTEXCOLOR = !1,
                i.BAKED_VERTEX_ANIMATION_TEXTURE = !1,
                i.AMBIENT = !1,
                i.AMBIENTDIRECTUV = 0,
                i.AMBIENTINGRAYSCALE = !1,
                i.OPACITY = !1,
                i.VERTEXALPHA = !1,
                i.OPACITYDIRECTUV = 0,
                i.OPACITYRGB = !1,
                i.ALPHATEST = !1,
                i.DEPTHPREPASS = !1,
                i.ALPHABLEND = !1,
                i.ALPHAFROMALBEDO = !1,
                i.ALPHATESTVALUE = "0.5",
                i.SPECULAROVERALPHA = !1,
                i.RADIANCEOVERALPHA = !1,
                i.ALPHAFRESNEL = !1,
                i.LINEARALPHAFRESNEL = !1,
                i.PREMULTIPLYALPHA = !1,
                i.EMISSIVE = !1,
                i.EMISSIVEDIRECTUV = 0,
                i.GAMMAEMISSIVE = !1,
                i.REFLECTIVITY = !1,
                i.REFLECTIVITY_GAMMA = !1,
                i.REFLECTIVITYDIRECTUV = 0,
                i.SPECULARTERM = !1,
                i.MICROSURFACEFROMREFLECTIVITYMAP = !1,
                i.MICROSURFACEAUTOMATIC = !1,
                i.LODBASEDMICROSFURACE = !1,
                i.MICROSURFACEMAP = !1,
                i.MICROSURFACEMAPDIRECTUV = 0,
                i.METALLICWORKFLOW = !1,
                i.ROUGHNESSSTOREINMETALMAPALPHA = !1,
                i.ROUGHNESSSTOREINMETALMAPGREEN = !1,
                i.METALLNESSSTOREINMETALMAPBLUE = !1,
                i.AOSTOREINMETALMAPRED = !1,
                i.METALLIC_REFLECTANCE = !1,
                i.METALLIC_REFLECTANCE_GAMMA = !1,
                i.METALLIC_REFLECTANCEDIRECTUV = 0,
                i.METALLIC_REFLECTANCE_USE_ALPHA_ONLY = !1,
                i.REFLECTANCE = !1,
                i.REFLECTANCE_GAMMA = !1,
                i.REFLECTANCEDIRECTUV = 0,
                i.ENVIRONMENTBRDF = !1,
                i.ENVIRONMENTBRDF_RGBD = !1,
                i.NORMAL = !1,
                i.TANGENT = !1,
                i.BUMP = !1,
                i.BUMPDIRECTUV = 0,
                i.OBJECTSPACE_NORMALMAP = !1,
                i.PARALLAX = !1,
                i.PARALLAXOCCLUSION = !1,
                i.NORMALXYSCALE = !0,
                i.LIGHTMAP = !1,
                i.LIGHTMAPDIRECTUV = 0,
                i.USELIGHTMAPASSHADOWMAP = !1,
                i.GAMMALIGHTMAP = !1,
                i.RGBDLIGHTMAP = !1,
                i.REFLECTION = !1,
                i.REFLECTIONMAP_3D = !1,
                i.REFLECTIONMAP_SPHERICAL = !1,
                i.REFLECTIONMAP_PLANAR = !1,
                i.REFLECTIONMAP_CUBIC = !1,
                i.USE_LOCAL_REFLECTIONMAP_CUBIC = !1,
                i.REFLECTIONMAP_PROJECTION = !1,
                i.REFLECTIONMAP_SKYBOX = !1,
                i.REFLECTIONMAP_EXPLICIT = !1,
                i.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                i.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                i.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                i.INVERTCUBICMAP = !1,
                i.USESPHERICALFROMREFLECTIONMAP = !1,
                i.USEIRRADIANCEMAP = !1,
                i.USESPHERICALINVERTEX = !1,
                i.REFLECTIONMAP_OPPOSITEZ = !1,
                i.LODINREFLECTIONALPHA = !1,
                i.GAMMAREFLECTION = !1,
                i.RGBDREFLECTION = !1,
                i.LINEARSPECULARREFLECTION = !1,
                i.RADIANCEOCCLUSION = !1,
                i.HORIZONOCCLUSION = !1,
                i.INSTANCES = !1,
                i.THIN_INSTANCES = !1,
                i.INSTANCESCOLOR = !1,
                i.PREPASS = !1,
                i.PREPASS_IRRADIANCE = !1,
                i.PREPASS_IRRADIANCE_INDEX = -1,
                i.PREPASS_ALBEDO_SQRT = !1,
                i.PREPASS_ALBEDO_SQRT_INDEX = -1,
                i.PREPASS_DEPTH = !1,
                i.PREPASS_DEPTH_INDEX = -1,
                i.PREPASS_NORMAL = !1,
                i.PREPASS_NORMAL_INDEX = -1,
                i.PREPASS_POSITION = !1,
                i.PREPASS_POSITION_INDEX = -1,
                i.PREPASS_VELOCITY = !1,
                i.PREPASS_VELOCITY_INDEX = -1,
                i.PREPASS_REFLECTIVITY = !1,
                i.PREPASS_REFLECTIVITY_INDEX = -1,
                i.SCENE_MRT_COUNT = 0,
                i.NUM_BONE_INFLUENCERS = 0,
                i.BonesPerMesh = 0,
                i.BONETEXTURE = !1,
                i.BONES_VELOCITY_ENABLED = !1,
                i.NONUNIFORMSCALING = !1,
                i.MORPHTARGETS = !1,
                i.MORPHTARGETS_NORMAL = !1,
                i.MORPHTARGETS_TANGENT = !1,
                i.MORPHTARGETS_UV = !1,
                i.NUM_MORPH_INFLUENCERS = 0,
                i.MORPHTARGETS_TEXTURE = !1,
                i.IMAGEPROCESSING = !1,
                i.VIGNETTE = !1,
                i.VIGNETTEBLENDMODEMULTIPLY = !1,
                i.VIGNETTEBLENDMODEOPAQUE = !1,
                i.TONEMAPPING = !1,
                i.TONEMAPPING_ACES = !1,
                i.CONTRAST = !1,
                i.COLORCURVES = !1,
                i.COLORGRADING = !1,
                i.COLORGRADING3D = !1,
                i.SAMPLER3DGREENDEPTH = !1,
                i.SAMPLER3DBGRMAP = !1,
                i.IMAGEPROCESSINGPOSTPROCESS = !1,
                i.SKIPFINALCOLORCLAMP = !1,
                i.EXPOSURE = !1,
                i.MULTIVIEW = !1,
                i.ORDER_INDEPENDENT_TRANSPARENCY = !1,
                i.ORDER_INDEPENDENT_TRANSPARENCY_16BITS = !1,
                i.USEPHYSICALLIGHTFALLOFF = !1,
                i.USEGLTFLIGHTFALLOFF = !1,
                i.TWOSIDEDLIGHTING = !1,
                i.SHADOWFLOAT = !1,
                i.CLIPPLANE = !1,
                i.CLIPPLANE2 = !1,
                i.CLIPPLANE3 = !1,
                i.CLIPPLANE4 = !1,
                i.CLIPPLANE5 = !1,
                i.CLIPPLANE6 = !1,
                i.POINTSIZE = !1,
                i.FOG = !1,
                i.LOGARITHMICDEPTH = !1,
                i.FORCENORMALFORWARD = !1,
                i.SPECULARAA = !1,
                i.UNLIT = !1,
                i.DEBUGMODE = 0,
                i.rebuild(),
                i
            }
            return U(t, e),
            t.prototype.reset = function() {
                e.prototype.reset.call(this),
                this.ALPHATESTVALUE = "0.5",
                this.PBR = !0,
                this.NORMALXYSCALE = !0
            }
            ,
            t
        }(Si)
          , rp = function(e) {
            function t(i, n) {
                var r = e.call(this, i, n) || this;
                return r._directIntensity = 1,
                r._emissiveIntensity = 1,
                r._environmentIntensity = 1,
                r._specularIntensity = 1,
                r._lightingInfos = new R(r._directIntensity,r._emissiveIntensity,r._environmentIntensity,r._specularIntensity),
                r._disableBumpMap = !1,
                r._albedoTexture = null,
                r._ambientTexture = null,
                r._ambientTextureStrength = 1,
                r._ambientTextureImpactOnAnalyticalLights = t.DEFAULT_AO_ON_ANALYTICAL_LIGHTS,
                r._opacityTexture = null,
                r._reflectionTexture = null,
                r._emissiveTexture = null,
                r._reflectivityTexture = null,
                r._metallicTexture = null,
                r._metallic = null,
                r._roughness = null,
                r._metallicF0Factor = 1,
                r._metallicReflectanceColor = D.White(),
                r._useOnlyMetallicFromMetallicReflectanceTexture = !1,
                r._metallicReflectanceTexture = null,
                r._reflectanceTexture = null,
                r._microSurfaceTexture = null,
                r._bumpTexture = null,
                r._lightmapTexture = null,
                r._ambientColor = new D(0,0,0),
                r._albedoColor = new D(1,1,1),
                r._reflectivityColor = new D(1,1,1),
                r._reflectionColor = new D(1,1,1),
                r._emissiveColor = new D(0,0,0),
                r._microSurface = .9,
                r._useLightmapAsShadowmap = !1,
                r._useHorizonOcclusion = !0,
                r._useRadianceOcclusion = !0,
                r._useAlphaFromAlbedoTexture = !1,
                r._useSpecularOverAlpha = !0,
                r._useMicroSurfaceFromReflectivityMapAlpha = !1,
                r._useRoughnessFromMetallicTextureAlpha = !0,
                r._useRoughnessFromMetallicTextureGreen = !1,
                r._useMetallnessFromMetallicTextureBlue = !1,
                r._useAmbientOcclusionFromMetallicTextureRed = !1,
                r._useAmbientInGrayScale = !1,
                r._useAutoMicroSurfaceFromReflectivityMap = !1,
                r._lightFalloff = t.LIGHTFALLOFF_PHYSICAL,
                r._useRadianceOverAlpha = !0,
                r._useObjectSpaceNormalMap = !1,
                r._useParallax = !1,
                r._useParallaxOcclusion = !1,
                r._parallaxScaleBias = .05,
                r._disableLighting = !1,
                r._maxSimultaneousLights = 4,
                r._invertNormalMapX = !1,
                r._invertNormalMapY = !1,
                r._twoSidedLighting = !1,
                r._alphaCutOff = .4,
                r._forceAlphaTest = !1,
                r._useAlphaFresnel = !1,
                r._useLinearAlphaFresnel = !1,
                r._environmentBRDFTexture = null,
                r._forceIrradianceInFragment = !1,
                r._realTimeFiltering = !1,
                r._realTimeFilteringQuality = a.TEXTURE_FILTERING_QUALITY_LOW,
                r._forceNormalForward = !1,
                r._enableSpecularAntiAliasing = !1,
                r._imageProcessingObserver = null,
                r._renderTargets = new bi(16),
                r._globalAmbientColor = new D(0,0,0),
                r._useLogarithmicDepth = !1,
                r._unlit = !1,
                r._debugMode = 0,
                r.debugMode = 0,
                r._debugLimit = -1,
                r._debugFactor = 1,
                r._cacheHasRenderTargetTextures = !1,
                r.brdf = new Yd(r),
                r.clearCoat = new Qd(r),
                r.anisotropy = new Zd(r),
                r.sheen = new $d(r),
                r.subSurface = new tp(r),
                r.detailMap = new Ps(r),
                r._attachImageProcessingConfiguration(null),
                r.getRenderTargetTextures = function() {
                    return r._renderTargets.reset(),
                    vs.ReflectionTextureEnabled && r._reflectionTexture && r._reflectionTexture.isRenderTarget && r._renderTargets.push(r._reflectionTexture),
                    r._eventInfo.renderTargets = r._renderTargets,
                    r._callbackPluginEventFillRenderTargetTextures(r._eventInfo),
                    r._renderTargets
                }
                ,
                r._environmentBRDFTexture = Hd(r.getScene()),
                r.prePassConfiguration = new ms,
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "realTimeFiltering", {
                get: function() {
                    return this._realTimeFiltering
                },
                set: function(e) {
                    this._realTimeFiltering = e,
                    this.markAsDirty(a.MATERIAL_TextureDirtyFlag)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "realTimeFilteringQuality", {
                get: function() {
                    return this._realTimeFilteringQuality
                },
                set: function(e) {
                    this._realTimeFilteringQuality = e,
                    this.markAsDirty(a.MATERIAL_TextureDirtyFlag)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "canRenderToMRT", {
                get: function() {
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._attachImageProcessingConfiguration = function(e) {
                var t = this;
                e !== this._imageProcessingConfiguration && (this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingConfiguration = e || this.getScene().imageProcessingConfiguration,
                this._imageProcessingConfiguration && (this._imageProcessingObserver = this._imageProcessingConfiguration.onUpdateParameters.add((function() {
                    t._markAllSubMeshesAsImageProcessingDirty()
                }
                ))))
            }
            ,
            Object.defineProperty(t.prototype, "hasRenderTargetTextures", {
                get: function() {
                    return !!(vs.ReflectionTextureEnabled && this._reflectionTexture && this._reflectionTexture.isRenderTarget) || this._cacheHasRenderTargetTextures
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isPrePassCapable", {
                get: function() {
                    return !this.disableDepthWrite
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PBRBaseMaterial"
            }
            ,
            Object.defineProperty(t.prototype, "useLogarithmicDepth", {
                get: function() {
                    return this._useLogarithmicDepth
                },
                set: function(e) {
                    this._useLogarithmicDepth = e && this.getScene().getEngine().getCaps().fragmentDepthSupported
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_disableAlphaBlending", {
                get: function() {
                    var e;
                    return this._transparencyMode === t.PBRMATERIAL_OPAQUE || this._transparencyMode === t.PBRMATERIAL_ALPHATEST || (null === (e = this.subSurface) || void 0 === e ? void 0 : e.disableAlphaBlending)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.needAlphaBlending = function() {
                return !this._disableAlphaBlending && (this.alpha < 1 || null != this._opacityTexture || this._shouldUseAlphaFromAlbedoTexture())
            }
            ,
            t.prototype.needAlphaTesting = function() {
                var e;
                return !!this._forceAlphaTest || !(null === (e = this.subSurface) || void 0 === e ? void 0 : e.disableAlphaBlending) && this._hasAlphaChannel() && (null == this._transparencyMode || this._transparencyMode === t.PBRMATERIAL_ALPHATEST)
            }
            ,
            t.prototype._shouldUseAlphaFromAlbedoTexture = function() {
                return null != this._albedoTexture && this._albedoTexture.hasAlpha && this._useAlphaFromAlbedoTexture && this._transparencyMode !== t.PBRMATERIAL_OPAQUE
            }
            ,
            t.prototype._hasAlphaChannel = function() {
                return null != this._albedoTexture && this._albedoTexture.hasAlpha || null != this._opacityTexture
            }
            ,
            t.prototype.getAlphaTestTexture = function() {
                return this._albedoTexture
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                if (this._uniformBufferLayoutBuilt || this.buildUniformLayout(),
                t.effect && this.isFrozen && t.effect._wasPreviouslyReady)
                    return !0;
                t.materialDefines || (this._callbackPluginEventGeneric(Ar.GetDefineNames, this._eventInfo),
                t.materialDefines = new np(this._eventInfo.defineNames));
                var n = t.materialDefines;
                if (this._isReadyForSubMesh(t))
                    return !0;
                var r = this.getScene()
                  , o = r.getEngine();
                if (n._areTexturesDirty && (this._eventInfo.hasRenderTargetTextures = !1,
                this._callbackPluginEventHasRenderTargetTextures(this._eventInfo),
                this._cacheHasRenderTargetTextures = this._eventInfo.hasRenderTargetTextures,
                r.texturesEnabled)) {
                    if (this._albedoTexture && vs.DiffuseTextureEnabled && !this._albedoTexture.isReadyOrNotBlocking())
                        return !1;
                    if (this._ambientTexture && vs.AmbientTextureEnabled && !this._ambientTexture.isReadyOrNotBlocking())
                        return !1;
                    if (this._opacityTexture && vs.OpacityTextureEnabled && !this._opacityTexture.isReadyOrNotBlocking())
                        return !1;
                    var a = this._getReflectionTexture();
                    if (a && vs.ReflectionTextureEnabled) {
                        if (!a.isReadyOrNotBlocking())
                            return !1;
                        if (a.irradianceTexture && !a.irradianceTexture.isReadyOrNotBlocking())
                            return !1
                    }
                    if (this._lightmapTexture && vs.LightmapTextureEnabled && !this._lightmapTexture.isReadyOrNotBlocking())
                        return !1;
                    if (this._emissiveTexture && vs.EmissiveTextureEnabled && !this._emissiveTexture.isReadyOrNotBlocking())
                        return !1;
                    if (vs.SpecularTextureEnabled) {
                        if (this._metallicTexture) {
                            if (!this._metallicTexture.isReadyOrNotBlocking())
                                return !1
                        } else if (this._reflectivityTexture && !this._reflectivityTexture.isReadyOrNotBlocking())
                            return !1;
                        if (this._metallicReflectanceTexture && !this._metallicReflectanceTexture.isReadyOrNotBlocking())
                            return !1;
                        if (this._reflectanceTexture && !this._reflectanceTexture.isReadyOrNotBlocking())
                            return !1;
                        if (this._microSurfaceTexture && !this._microSurfaceTexture.isReadyOrNotBlocking())
                            return !1
                    }
                    if (o.getCaps().standardDerivatives && this._bumpTexture && vs.BumpTextureEnabled && !this._disableBumpMap && !this._bumpTexture.isReady())
                        return !1;
                    if (this._environmentBRDFTexture && vs.ReflectionTextureEnabled && !this._environmentBRDFTexture.isReady())
                        return !1
                }
                if (this._eventInfo.isReadyForSubMesh = !0,
                this._eventInfo.defines = n,
                this._callbackPluginEventIsReadyForSubMesh(this._eventInfo),
                !this._eventInfo.isReadyForSubMesh)
                    return !1;
                if (n._areImageProcessingDirty && this._imageProcessingConfiguration && !this._imageProcessingConfiguration.isReady())
                    return !1;
                o.getCaps().standardDerivatives || e.isVerticesDataPresent(Bi.NormalKind) || (e.createNormals(!0),
                K.Warn("PBRMaterial: Normals have been created for the mesh: " + e.name));
                var s = t.effect
                  , l = n._areLightsDisposed
                  , c = this._prepareEffect(e, n, this.onCompiled, this.onError, i, null, t.getRenderingMesh().hasThinInstances);
                if (c)
                    if (this._onEffectCreatedObservable && (ip.effect = c,
                    ip.subMesh = t,
                    this._onEffectCreatedObservable.notifyObservers(ip)),
                    this.allowShaderHotSwapping && s && !c.isReady()) {
                        if (c = s,
                        n.markAsUnprocessed(),
                        l)
                            return n._areLightsDisposed = !0,
                            !1
                    } else
                        r.resetCachedMaterial(),
                        t.setEffect(c, n, this._materialContext);
                return !(!t.effect || !t.effect.isReady() || (n._renderId = r.getRenderId(),
                t.effect._wasPreviouslyReady = !0,
                0))
            }
            ,
            t.prototype.isMetallicWorkflow = function() {
                return !(null == this._metallic && null == this._roughness && !this._metallicTexture)
            }
            ,
            t.prototype._prepareEffect = function(e, t, i, n, r, o, s) {
                if (void 0 === i && (i = null),
                void 0 === n && (n = null),
                void 0 === r && (r = null),
                void 0 === o && (o = null),
                this._prepareDefines(e, t, r, o, s),
                !t.isDirty)
                    return null;
                t.markAsProcessed();
                var l = this.getScene().getEngine()
                  , c = new ys
                  , u = 0;
                t.USESPHERICALINVERTEX && c.addFallback(u++, "USESPHERICALINVERTEX"),
                t.FOG && c.addFallback(u, "FOG"),
                t.SPECULARAA && c.addFallback(u, "SPECULARAA"),
                t.POINTSIZE && c.addFallback(u, "POINTSIZE"),
                t.LOGARITHMICDEPTH && c.addFallback(u, "LOGARITHMICDEPTH"),
                t.PARALLAX && c.addFallback(u, "PARALLAX"),
                t.PARALLAXOCCLUSION && c.addFallback(u++, "PARALLAXOCCLUSION"),
                t.ENVIRONMENTBRDF && c.addFallback(u++, "ENVIRONMENTBRDF"),
                t.TANGENT && c.addFallback(u++, "TANGENT"),
                t.BUMP && c.addFallback(u++, "BUMP"),
                u = Mr.HandleFallbacksForShadows(t, c, this._maxSimultaneousLights, u++),
                t.SPECULARTERM && c.addFallback(u++, "SPECULARTERM"),
                t.USESPHERICALFROMREFLECTIONMAP && c.addFallback(u++, "USESPHERICALFROMREFLECTIONMAP"),
                t.USEIRRADIANCEMAP && c.addFallback(u++, "USEIRRADIANCEMAP"),
                t.LIGHTMAP && c.addFallback(u++, "LIGHTMAP"),
                t.NORMAL && c.addFallback(u++, "NORMAL"),
                t.AMBIENT && c.addFallback(u++, "AMBIENT"),
                t.EMISSIVE && c.addFallback(u++, "EMISSIVE"),
                t.VERTEXCOLOR && c.addFallback(u++, "VERTEXCOLOR"),
                t.MORPHTARGETS && c.addFallback(u++, "MORPHTARGETS"),
                t.MULTIVIEW && c.addFallback(0, "MULTIVIEW");
                var h = [Bi.PositionKind];
                t.NORMAL && h.push(Bi.NormalKind),
                t.TANGENT && h.push(Bi.TangentKind);
                for (var d = 1; d <= a.MAX_SUPPORTED_UV_SETS; ++d)
                    t["UV" + d] && h.push("uv".concat(1 === d ? "" : d));
                t.VERTEXCOLOR && h.push(Bi.ColorKind),
                Mr.PrepareAttributesForBones(h, e, t, c),
                Mr.PrepareAttributesForInstances(h, t),
                Mr.PrepareAttributesForMorphTargets(h, e, t),
                Mr.PrepareAttributesForBakedVertexAnimation(h, e, t);
                var p = "pbr"
                  , f = ["world", "view", "viewProjection", "vEyePosition", "vLightsType", "vAmbientColor", "vAlbedoColor", "vReflectivityColor", "vMetallicReflectanceFactors", "vEmissiveColor", "visibility", "vReflectionColor", "vFogInfos", "vFogColor", "pointSize", "vAlbedoInfos", "vAmbientInfos", "vOpacityInfos", "vReflectionInfos", "vReflectionPosition", "vReflectionSize", "vEmissiveInfos", "vReflectivityInfos", "vReflectionFilteringInfo", "vMetallicReflectanceInfos", "vReflectanceInfos", "vMicroSurfaceSamplerInfos", "vBumpInfos", "vLightmapInfos", "mBones", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "albedoMatrix", "ambientMatrix", "opacityMatrix", "reflectionMatrix", "emissiveMatrix", "reflectivityMatrix", "normalMatrix", "microSurfaceSamplerMatrix", "bumpMatrix", "lightmapMatrix", "metallicReflectanceMatrix", "reflectanceMatrix", "vLightingIntensity", "logarithmicDepthConstant", "vSphericalX", "vSphericalY", "vSphericalZ", "vSphericalXX_ZZ", "vSphericalYY_ZZ", "vSphericalZZ", "vSphericalXY", "vSphericalYZ", "vSphericalZX", "vSphericalL00", "vSphericalL1_1", "vSphericalL10", "vSphericalL11", "vSphericalL2_2", "vSphericalL2_1", "vSphericalL20", "vSphericalL21", "vSphericalL22", "vReflectionMicrosurfaceInfos", "vTangentSpaceParams", "boneTextureWidth", "vDebugMode", "morphTargetTextureInfo", "morphTargetTextureIndices"]
                  , _ = ["albedoSampler", "reflectivitySampler", "ambientSampler", "emissiveSampler", "bumpSampler", "lightmapSampler", "opacitySampler", "reflectionSampler", "reflectionSamplerLow", "reflectionSamplerHigh", "irradianceSampler", "microSurfaceSampler", "environmentBrdfSampler", "boneSampler", "metallicReflectanceSampler", "reflectanceSampler", "morphTargets", "oitDepthSampler", "oitFrontColorSampler"]
                  , m = ["Material", "Scene", "Mesh"];
                this._eventInfo.fallbacks = c,
                this._eventInfo.fallbackRank = u,
                this._eventInfo.defines = t,
                this._eventInfo.uniforms = f,
                this._eventInfo.samplers = _,
                this._eventInfo.uniformBuffersNames = m,
                this._eventInfo.customCode = void 0,
                this._callbackPluginEventGeneric(Ar.PrepareEffect, this._eventInfo),
                ms.AddUniforms(f),
                ms.AddSamplers(_),
                Ri && (Ri.PrepareUniforms(f, t),
                Ri.PrepareSamplers(_, t)),
                Mr.PrepareUniformsAndSamplersList({
                    uniformsNames: f,
                    uniformBuffersNames: m,
                    samplers: _,
                    defines: t,
                    maxSimultaneousLights: this._maxSimultaneousLights
                });
                var g = {};
                this.customShaderNameResolve && (p = this.customShaderNameResolve(p, f, m, _, t, h, g));
                var v = t.toString();
                return l.createEffect(p, {
                    attributes: h,
                    uniformsNames: f,
                    uniformBuffersNames: m,
                    samplers: _,
                    defines: v,
                    fallbacks: c,
                    onCompiled: i,
                    onError: n,
                    indexParameters: {
                        maxSimultaneousLights: this._maxSimultaneousLights,
                        maxSimultaneousMorphTargets: t.NUM_MORPH_INFLUENCERS
                    },
                    processFinalCode: g.processFinalCode,
                    processCodeAfterIncludes: this._eventInfo.customCode,
                    multiTarget: t.PREPASS
                }, l)
            }
            ,
            t.prototype._prepareDefines = function(e, i, n, r, o) {
                var s;
                void 0 === n && (n = null),
                void 0 === r && (r = null),
                void 0 === o && (o = !1);
                var l = this.getScene()
                  , c = l.getEngine();
                Mr.PrepareDefinesForLights(l, e, i, !0, this._maxSimultaneousLights, this._disableLighting),
                i._needNormals = !0,
                Mr.PrepareDefinesForMultiview(l, i);
                var u = this.needAlphaBlendingForMesh(e) && this.getScene().useOrderIndependentTransparency;
                if (Mr.PrepareDefinesForPrePass(l, i, this.canRenderToMRT && !u),
                Mr.PrepareDefinesForOIT(l, i, u),
                i.METALLICWORKFLOW = this.isMetallicWorkflow(),
                i._areTexturesDirty) {
                    if (i._needUVs = !1,
                    l.texturesEnabled) {
                        l.getEngine().getCaps().textureLOD && (i.LODBASEDMICROSFURACE = !0),
                        this._albedoTexture && vs.DiffuseTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._albedoTexture, i, "ALBEDO"),
                        i.GAMMAALBEDO = this._albedoTexture.gammaSpace) : i.ALBEDO = !1,
                        this._ambientTexture && vs.AmbientTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._ambientTexture, i, "AMBIENT"),
                        i.AMBIENTINGRAYSCALE = this._useAmbientInGrayScale) : i.AMBIENT = !1,
                        this._opacityTexture && vs.OpacityTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._opacityTexture, i, "OPACITY"),
                        i.OPACITYRGB = this._opacityTexture.getAlphaFromRGB) : i.OPACITY = !1;
                        var h = this._getReflectionTexture();
                        if (h && vs.ReflectionTextureEnabled) {
                            switch (i.REFLECTION = !0,
                            i.GAMMAREFLECTION = h.gammaSpace,
                            i.RGBDREFLECTION = h.isRGBD,
                            i.REFLECTIONMAP_OPPOSITEZ = this.getScene().useRightHandedSystem ? !h.invertZ : h.invertZ,
                            i.LODINREFLECTIONALPHA = h.lodLevelInAlpha,
                            i.LINEARSPECULARREFLECTION = h.linearSpecularLOD,
                            this.realTimeFiltering && this.realTimeFilteringQuality > 0 ? (i.NUM_SAMPLES = "" + this.realTimeFilteringQuality,
                            c._features.needTypeSuffixInShaderConstants && (i.NUM_SAMPLES = i.NUM_SAMPLES + "u"),
                            i.REALTIME_FILTERING = !0) : i.REALTIME_FILTERING = !1,
                            h.coordinatesMode === io.INVCUBIC_MODE && (i.INVERTCUBICMAP = !0),
                            i.REFLECTIONMAP_3D = h.isCube,
                            i.REFLECTIONMAP_CUBIC = !1,
                            i.REFLECTIONMAP_EXPLICIT = !1,
                            i.REFLECTIONMAP_PLANAR = !1,
                            i.REFLECTIONMAP_PROJECTION = !1,
                            i.REFLECTIONMAP_SKYBOX = !1,
                            i.REFLECTIONMAP_SPHERICAL = !1,
                            i.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                            i.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                            i.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                            h.coordinatesMode) {
                            case io.EXPLICIT_MODE:
                                i.REFLECTIONMAP_EXPLICIT = !0;
                                break;
                            case io.PLANAR_MODE:
                                i.REFLECTIONMAP_PLANAR = !0;
                                break;
                            case io.PROJECTION_MODE:
                                i.REFLECTIONMAP_PROJECTION = !0;
                                break;
                            case io.SKYBOX_MODE:
                                i.REFLECTIONMAP_SKYBOX = !0;
                                break;
                            case io.SPHERICAL_MODE:
                                i.REFLECTIONMAP_SPHERICAL = !0;
                                break;
                            case io.EQUIRECTANGULAR_MODE:
                                i.REFLECTIONMAP_EQUIRECTANGULAR = !0;
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MODE:
                                i.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !0;
                                break;
                            case io.FIXED_EQUIRECTANGULAR_MIRRORED_MODE:
                                i.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !0;
                                break;
                            case io.CUBIC_MODE:
                            case io.INVCUBIC_MODE:
                            default:
                                i.REFLECTIONMAP_CUBIC = !0,
                                i.USE_LOCAL_REFLECTIONMAP_CUBIC = !!h.boundingBoxSize
                            }
                            h.coordinatesMode !== io.SKYBOX_MODE && (h.irradianceTexture ? (i.USEIRRADIANCEMAP = !0,
                            i.USESPHERICALFROMREFLECTIONMAP = !1) : h.isCube && (i.USESPHERICALFROMREFLECTIONMAP = !0,
                            i.USEIRRADIANCEMAP = !1,
                            this._forceIrradianceInFragment || this.realTimeFiltering || l.getEngine().getCaps().maxVaryingVectors <= 8 ? i.USESPHERICALINVERTEX = !1 : i.USESPHERICALINVERTEX = !0))
                        } else
                            i.REFLECTION = !1,
                            i.REFLECTIONMAP_3D = !1,
                            i.REFLECTIONMAP_SPHERICAL = !1,
                            i.REFLECTIONMAP_PLANAR = !1,
                            i.REFLECTIONMAP_CUBIC = !1,
                            i.USE_LOCAL_REFLECTIONMAP_CUBIC = !1,
                            i.REFLECTIONMAP_PROJECTION = !1,
                            i.REFLECTIONMAP_SKYBOX = !1,
                            i.REFLECTIONMAP_EXPLICIT = !1,
                            i.REFLECTIONMAP_EQUIRECTANGULAR = !1,
                            i.REFLECTIONMAP_EQUIRECTANGULAR_FIXED = !1,
                            i.REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED = !1,
                            i.INVERTCUBICMAP = !1,
                            i.USESPHERICALFROMREFLECTIONMAP = !1,
                            i.USEIRRADIANCEMAP = !1,
                            i.USESPHERICALINVERTEX = !1,
                            i.REFLECTIONMAP_OPPOSITEZ = !1,
                            i.LODINREFLECTIONALPHA = !1,
                            i.GAMMAREFLECTION = !1,
                            i.RGBDREFLECTION = !1,
                            i.LINEARSPECULARREFLECTION = !1;
                        if (this._lightmapTexture && vs.LightmapTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._lightmapTexture, i, "LIGHTMAP"),
                        i.USELIGHTMAPASSHADOWMAP = this._useLightmapAsShadowmap,
                        i.GAMMALIGHTMAP = this._lightmapTexture.gammaSpace,
                        i.RGBDLIGHTMAP = this._lightmapTexture.isRGBD) : i.LIGHTMAP = !1,
                        this._emissiveTexture && vs.EmissiveTextureEnabled ? (Mr.PrepareDefinesForMergedUV(this._emissiveTexture, i, "EMISSIVE"),
                        i.GAMMAEMISSIVE = this._emissiveTexture.gammaSpace) : i.EMISSIVE = !1,
                        vs.SpecularTextureEnabled) {
                            if (this._metallicTexture ? (Mr.PrepareDefinesForMergedUV(this._metallicTexture, i, "REFLECTIVITY"),
                            i.ROUGHNESSSTOREINMETALMAPALPHA = this._useRoughnessFromMetallicTextureAlpha,
                            i.ROUGHNESSSTOREINMETALMAPGREEN = !this._useRoughnessFromMetallicTextureAlpha && this._useRoughnessFromMetallicTextureGreen,
                            i.METALLNESSSTOREINMETALMAPBLUE = this._useMetallnessFromMetallicTextureBlue,
                            i.AOSTOREINMETALMAPRED = this._useAmbientOcclusionFromMetallicTextureRed,
                            i.REFLECTIVITY_GAMMA = !1) : this._reflectivityTexture ? (Mr.PrepareDefinesForMergedUV(this._reflectivityTexture, i, "REFLECTIVITY"),
                            i.MICROSURFACEFROMREFLECTIVITYMAP = this._useMicroSurfaceFromReflectivityMapAlpha,
                            i.MICROSURFACEAUTOMATIC = this._useAutoMicroSurfaceFromReflectivityMap,
                            i.REFLECTIVITY_GAMMA = this._reflectivityTexture.gammaSpace) : i.REFLECTIVITY = !1,
                            this._metallicReflectanceTexture || this._reflectanceTexture) {
                                var d = null !== this._metallicReflectanceTexture && this._metallicReflectanceTexture._texture === (null === (s = this._reflectanceTexture) || void 0 === s ? void 0 : s._texture) && this._metallicReflectanceTexture.checkTransformsAreIdentical(this._reflectanceTexture);
                                i.METALLIC_REFLECTANCE_USE_ALPHA_ONLY = this._useOnlyMetallicFromMetallicReflectanceTexture && !d,
                                this._metallicReflectanceTexture ? (Mr.PrepareDefinesForMergedUV(this._metallicReflectanceTexture, i, "METALLIC_REFLECTANCE"),
                                i.METALLIC_REFLECTANCE_GAMMA = this._metallicReflectanceTexture.gammaSpace) : i.METALLIC_REFLECTANCE = !1,
                                this._reflectanceTexture && !d && (!this._metallicReflectanceTexture || this._metallicReflectanceTexture && this._useOnlyMetallicFromMetallicReflectanceTexture) ? (Mr.PrepareDefinesForMergedUV(this._reflectanceTexture, i, "REFLECTANCE"),
                                i.REFLECTANCE_GAMMA = this._reflectanceTexture.gammaSpace) : i.REFLECTANCE = !1
                            } else
                                i.METALLIC_REFLECTANCE = !1,
                                i.REFLECTANCE = !1;
                            this._microSurfaceTexture ? Mr.PrepareDefinesForMergedUV(this._microSurfaceTexture, i, "MICROSURFACEMAP") : i.MICROSURFACEMAP = !1
                        } else
                            i.REFLECTIVITY = !1,
                            i.MICROSURFACEMAP = !1;
                        l.getEngine().getCaps().standardDerivatives && this._bumpTexture && vs.BumpTextureEnabled && !this._disableBumpMap ? (Mr.PrepareDefinesForMergedUV(this._bumpTexture, i, "BUMP"),
                        this._useParallax && this._albedoTexture && vs.DiffuseTextureEnabled ? (i.PARALLAX = !0,
                        i.PARALLAXOCCLUSION = !!this._useParallaxOcclusion) : i.PARALLAX = !1,
                        i.OBJECTSPACE_NORMALMAP = this._useObjectSpaceNormalMap) : i.BUMP = !1,
                        this._environmentBRDFTexture && vs.ReflectionTextureEnabled ? (i.ENVIRONMENTBRDF = !0,
                        i.ENVIRONMENTBRDF_RGBD = this._environmentBRDFTexture.isRGBD) : (i.ENVIRONMENTBRDF = !1,
                        i.ENVIRONMENTBRDF_RGBD = !1),
                        this._shouldUseAlphaFromAlbedoTexture() ? i.ALPHAFROMALBEDO = !0 : i.ALPHAFROMALBEDO = !1
                    }
                    i.SPECULAROVERALPHA = this._useSpecularOverAlpha,
                    this._lightFalloff === t.LIGHTFALLOFF_STANDARD ? (i.USEPHYSICALLIGHTFALLOFF = !1,
                    i.USEGLTFLIGHTFALLOFF = !1) : this._lightFalloff === t.LIGHTFALLOFF_GLTF ? (i.USEPHYSICALLIGHTFALLOFF = !1,
                    i.USEGLTFLIGHTFALLOFF = !0) : (i.USEPHYSICALLIGHTFALLOFF = !0,
                    i.USEGLTFLIGHTFALLOFF = !1),
                    i.RADIANCEOVERALPHA = this._useRadianceOverAlpha,
                    !this.backFaceCulling && this._twoSidedLighting ? i.TWOSIDEDLIGHTING = !0 : i.TWOSIDEDLIGHTING = !1,
                    i.SPECULARAA = l.getEngine().getCaps().standardDerivatives && this._enableSpecularAntiAliasing
                }
                (i._areTexturesDirty || i._areMiscDirty) && (i.ALPHATESTVALUE = "".concat(this._alphaCutOff).concat(this._alphaCutOff % 1 == 0 ? "." : ""),
                i.PREMULTIPLYALPHA = this.alphaMode === a.ALPHA_PREMULTIPLIED || this.alphaMode === a.ALPHA_PREMULTIPLIED_PORTERDUFF,
                i.ALPHABLEND = this.needAlphaBlendingForMesh(e),
                i.ALPHAFRESNEL = this._useAlphaFresnel || this._useLinearAlphaFresnel,
                i.LINEARALPHAFRESNEL = this._useLinearAlphaFresnel),
                i._areImageProcessingDirty && this._imageProcessingConfiguration && this._imageProcessingConfiguration.prepareDefines(i),
                i.FORCENORMALFORWARD = this._forceNormalForward,
                i.RADIANCEOCCLUSION = this._useRadianceOcclusion,
                i.HORIZONOCCLUSION = this._useHorizonOcclusion,
                i._areMiscDirty && (Mr.PrepareDefinesForMisc(e, l, this._useLogarithmicDepth, this.pointsCloud, this.fogEnabled, this._shouldTurnAlphaTestOn(e) || this._forceAlphaTest, i),
                i.UNLIT = this._unlit || (this.pointsCloud || this.wireframe) && !e.isVerticesDataPresent(Bi.NormalKind),
                i.DEBUGMODE = this._debugMode),
                this._eventInfo.defines = i,
                this._eventInfo.mesh = e,
                this._callbackPluginEventPrepareDefines(this._eventInfo),
                Mr.PrepareDefinesForFrameBoundValues(l, c, i, !!n, r, o),
                Mr.PrepareDefinesForAttributes(e, i, !0, !0, !0, this._transparencyMode !== t.PBRMATERIAL_OPAQUE)
            }
            ,
            t.prototype.forceCompilation = function(e, t, i) {
                var n = this
                  , r = V({
                    clipPlane: !1,
                    useInstances: !1
                }, i);
                this._uniformBufferLayoutBuilt || this.buildUniformLayout(),
                this._callbackPluginEventGeneric(Ar.GetDefineNames, this._eventInfo);
                var o = new np(this._eventInfo.defineNames)
                  , a = this._prepareEffect(e, o, void 0, void 0, r.useInstances, r.clipPlane, e.hasThinInstances);
                this._onEffectCreatedObservable && (ip.effect = a,
                ip.subMesh = null,
                this._onEffectCreatedObservable.notifyObservers(ip)),
                a.isReady() ? t && t(this) : a.onCompileObservable.add((function() {
                    t && t(n)
                }
                ))
            }
            ,
            t.prototype.buildUniformLayout = function() {
                var t = this._uniformBuffer;
                t.addUniform("vAlbedoInfos", 2),
                t.addUniform("vAmbientInfos", 4),
                t.addUniform("vOpacityInfos", 2),
                t.addUniform("vEmissiveInfos", 2),
                t.addUniform("vLightmapInfos", 2),
                t.addUniform("vReflectivityInfos", 3),
                t.addUniform("vMicroSurfaceSamplerInfos", 2),
                t.addUniform("vReflectionInfos", 2),
                t.addUniform("vReflectionFilteringInfo", 2),
                t.addUniform("vReflectionPosition", 3),
                t.addUniform("vReflectionSize", 3),
                t.addUniform("vBumpInfos", 3),
                t.addUniform("albedoMatrix", 16),
                t.addUniform("ambientMatrix", 16),
                t.addUniform("opacityMatrix", 16),
                t.addUniform("emissiveMatrix", 16),
                t.addUniform("lightmapMatrix", 16),
                t.addUniform("reflectivityMatrix", 16),
                t.addUniform("microSurfaceSamplerMatrix", 16),
                t.addUniform("bumpMatrix", 16),
                t.addUniform("vTangentSpaceParams", 2),
                t.addUniform("reflectionMatrix", 16),
                t.addUniform("vReflectionColor", 3),
                t.addUniform("vAlbedoColor", 4),
                t.addUniform("vLightingIntensity", 4),
                t.addUniform("vReflectionMicrosurfaceInfos", 3),
                t.addUniform("pointSize", 1),
                t.addUniform("vReflectivityColor", 4),
                t.addUniform("vEmissiveColor", 3),
                t.addUniform("vAmbientColor", 3),
                t.addUniform("vDebugMode", 2),
                t.addUniform("vMetallicReflectanceFactors", 4),
                t.addUniform("vMetallicReflectanceInfos", 2),
                t.addUniform("metallicReflectanceMatrix", 16),
                t.addUniform("vReflectanceInfos", 2),
                t.addUniform("reflectanceMatrix", 16),
                t.addUniform("vSphericalL00", 3),
                t.addUniform("vSphericalL1_1", 3),
                t.addUniform("vSphericalL10", 3),
                t.addUniform("vSphericalL11", 3),
                t.addUniform("vSphericalL2_2", 3),
                t.addUniform("vSphericalL2_1", 3),
                t.addUniform("vSphericalL20", 3),
                t.addUniform("vSphericalL21", 3),
                t.addUniform("vSphericalL22", 3),
                t.addUniform("vSphericalX", 3),
                t.addUniform("vSphericalY", 3),
                t.addUniform("vSphericalZ", 3),
                t.addUniform("vSphericalXX_ZZ", 3),
                t.addUniform("vSphericalYY_ZZ", 3),
                t.addUniform("vSphericalZZ", 3),
                t.addUniform("vSphericalXY", 3),
                t.addUniform("vSphericalYZ", 3),
                t.addUniform("vSphericalZX", 3),
                e.prototype.buildUniformLayout.call(this)
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i) {
                var n, r, o, a, s = this.getScene(), l = i.materialDefines;
                if (l) {
                    var c = i.effect;
                    if (c) {
                        this._activeEffect = c,
                        t.getMeshUniformBuffer().bindToEffect(c, "Mesh"),
                        t.transferToEffect(e);
                        var u = s.getEngine();
                        this._uniformBuffer.bindToEffect(c, "Material"),
                        this.prePassConfiguration.bindForSubMesh(this._activeEffect, s, t, e, this.isFrozen),
                        this._eventInfo.subMesh = i,
                        this._callbackPluginEventHardBindForSubMesh(this._eventInfo),
                        l.OBJECTSPACE_NORMALMAP && (e.toNormalMatrix(this._normalMatrix),
                        this.bindOnlyNormalMatrix(this._normalMatrix));
                        var h = this._mustRebind(s, c, t.visibility);
                        Mr.BindBonesParameters(t, this._activeEffect, this.prePassConfiguration);
                        var p = null
                          , f = this._uniformBuffer;
                        if (h) {
                            if (this.bindViewProjection(c),
                            p = this._getReflectionTexture(),
                            !f.useUbo || !this.isFrozen || !f.isSync) {
                                if (s.texturesEnabled) {
                                    if (this._albedoTexture && vs.DiffuseTextureEnabled && (f.updateFloat2("vAlbedoInfos", this._albedoTexture.coordinatesIndex, this._albedoTexture.level),
                                    Mr.BindTextureMatrix(this._albedoTexture, f, "albedo")),
                                    this._ambientTexture && vs.AmbientTextureEnabled && (f.updateFloat4("vAmbientInfos", this._ambientTexture.coordinatesIndex, this._ambientTexture.level, this._ambientTextureStrength, this._ambientTextureImpactOnAnalyticalLights),
                                    Mr.BindTextureMatrix(this._ambientTexture, f, "ambient")),
                                    this._opacityTexture && vs.OpacityTextureEnabled && (f.updateFloat2("vOpacityInfos", this._opacityTexture.coordinatesIndex, this._opacityTexture.level),
                                    Mr.BindTextureMatrix(this._opacityTexture, f, "opacity")),
                                    p && vs.ReflectionTextureEnabled) {
                                        if (f.updateMatrix("reflectionMatrix", p.getReflectionTextureMatrix()),
                                        f.updateFloat2("vReflectionInfos", p.level, 0),
                                        p.boundingBoxSize) {
                                            var _ = p;
                                            f.updateVector3("vReflectionPosition", _.boundingBoxPosition),
                                            f.updateVector3("vReflectionSize", _.boundingBoxSize)
                                        }
                                        if (this.realTimeFiltering) {
                                            var m = p.getSize().width;
                                            f.updateFloat2("vReflectionFilteringInfo", m, d.Log2(m))
                                        }
                                        if (!l.USEIRRADIANCEMAP) {
                                            var g = p.sphericalPolynomial;
                                            if (l.USESPHERICALFROMREFLECTIONMAP && g)
                                                if (l.SPHERICAL_HARMONICS) {
                                                    var v = g.preScaledHarmonics;
                                                    f.updateVector3("vSphericalL00", v.l00),
                                                    f.updateVector3("vSphericalL1_1", v.l1_1),
                                                    f.updateVector3("vSphericalL10", v.l10),
                                                    f.updateVector3("vSphericalL11", v.l11),
                                                    f.updateVector3("vSphericalL2_2", v.l2_2),
                                                    f.updateVector3("vSphericalL2_1", v.l2_1),
                                                    f.updateVector3("vSphericalL20", v.l20),
                                                    f.updateVector3("vSphericalL21", v.l21),
                                                    f.updateVector3("vSphericalL22", v.l22)
                                                } else
                                                    f.updateFloat3("vSphericalX", g.x.x, g.x.y, g.x.z),
                                                    f.updateFloat3("vSphericalY", g.y.x, g.y.y, g.y.z),
                                                    f.updateFloat3("vSphericalZ", g.z.x, g.z.y, g.z.z),
                                                    f.updateFloat3("vSphericalXX_ZZ", g.xx.x - g.zz.x, g.xx.y - g.zz.y, g.xx.z - g.zz.z),
                                                    f.updateFloat3("vSphericalYY_ZZ", g.yy.x - g.zz.x, g.yy.y - g.zz.y, g.yy.z - g.zz.z),
                                                    f.updateFloat3("vSphericalZZ", g.zz.x, g.zz.y, g.zz.z),
                                                    f.updateFloat3("vSphericalXY", g.xy.x, g.xy.y, g.xy.z),
                                                    f.updateFloat3("vSphericalYZ", g.yz.x, g.yz.y, g.yz.z),
                                                    f.updateFloat3("vSphericalZX", g.zx.x, g.zx.y, g.zx.z)
                                        }
                                        f.updateFloat3("vReflectionMicrosurfaceInfos", p.getSize().width, p.lodGenerationScale, p.lodGenerationOffset)
                                    }
                                    this._emissiveTexture && vs.EmissiveTextureEnabled && (f.updateFloat2("vEmissiveInfos", this._emissiveTexture.coordinatesIndex, this._emissiveTexture.level),
                                    Mr.BindTextureMatrix(this._emissiveTexture, f, "emissive")),
                                    this._lightmapTexture && vs.LightmapTextureEnabled && (f.updateFloat2("vLightmapInfos", this._lightmapTexture.coordinatesIndex, this._lightmapTexture.level),
                                    Mr.BindTextureMatrix(this._lightmapTexture, f, "lightmap")),
                                    vs.SpecularTextureEnabled && (this._metallicTexture ? (f.updateFloat3("vReflectivityInfos", this._metallicTexture.coordinatesIndex, this._metallicTexture.level, this._ambientTextureStrength),
                                    Mr.BindTextureMatrix(this._metallicTexture, f, "reflectivity")) : this._reflectivityTexture && (f.updateFloat3("vReflectivityInfos", this._reflectivityTexture.coordinatesIndex, this._reflectivityTexture.level, 1),
                                    Mr.BindTextureMatrix(this._reflectivityTexture, f, "reflectivity")),
                                    this._metallicReflectanceTexture && (f.updateFloat2("vMetallicReflectanceInfos", this._metallicReflectanceTexture.coordinatesIndex, this._metallicReflectanceTexture.level),
                                    Mr.BindTextureMatrix(this._metallicReflectanceTexture, f, "metallicReflectance")),
                                    this._reflectanceTexture && l.REFLECTANCE && (f.updateFloat2("vReflectanceInfos", this._reflectanceTexture.coordinatesIndex, this._reflectanceTexture.level),
                                    Mr.BindTextureMatrix(this._reflectanceTexture, f, "reflectance")),
                                    this._microSurfaceTexture && (f.updateFloat2("vMicroSurfaceSamplerInfos", this._microSurfaceTexture.coordinatesIndex, this._microSurfaceTexture.level),
                                    Mr.BindTextureMatrix(this._microSurfaceTexture, f, "microSurfaceSampler"))),
                                    this._bumpTexture && u.getCaps().standardDerivatives && vs.BumpTextureEnabled && !this._disableBumpMap && (f.updateFloat3("vBumpInfos", this._bumpTexture.coordinatesIndex, this._bumpTexture.level, this._parallaxScaleBias),
                                    Mr.BindTextureMatrix(this._bumpTexture, f, "bump"),
                                    s._mirroredCameraPosition ? f.updateFloat2("vTangentSpaceParams", this._invertNormalMapX ? 1 : -1, this._invertNormalMapY ? 1 : -1) : f.updateFloat2("vTangentSpaceParams", this._invertNormalMapX ? -1 : 1, this._invertNormalMapY ? -1 : 1))
                                }
                                if (this.pointsCloud && f.updateFloat("pointSize", this.pointSize),
                                l.METALLICWORKFLOW) {
                                    L.Color3[0].r = void 0 === this._metallic || null === this._metallic ? 1 : this._metallic,
                                    L.Color3[0].g = void 0 === this._roughness || null === this._roughness ? 1 : this._roughness,
                                    f.updateColor4("vReflectivityColor", L.Color3[0], 1);
                                    var y = null !== (r = null === (n = this.subSurface) || void 0 === n ? void 0 : n._indexOfRefraction) && void 0 !== r ? r : 1.5
                                      , b = Math.pow((y - 1) / (y + 1), 2);
                                    this._metallicReflectanceColor.scaleToRef(b * this._metallicF0Factor, L.Color3[0]);
                                    var T = this._metallicF0Factor;
                                    f.updateColor4("vMetallicReflectanceFactors", L.Color3[0], T)
                                } else
                                    f.updateColor4("vReflectivityColor", this._reflectivityColor, this._microSurface);
                                f.updateColor3("vEmissiveColor", vs.EmissiveTextureEnabled ? this._emissiveColor : D.BlackReadOnly),
                                f.updateColor3("vReflectionColor", this._reflectionColor),
                                !l.SS_REFRACTION && (null === (o = this.subSurface) || void 0 === o ? void 0 : o._linkRefractionWithTransparency) ? f.updateColor4("vAlbedoColor", this._albedoColor, 1) : f.updateColor4("vAlbedoColor", this._albedoColor, this.alpha),
                                this._lightingInfos.x = this._directIntensity,
                                this._lightingInfos.y = this._emissiveIntensity,
                                this._lightingInfos.z = this._environmentIntensity * s.environmentIntensity,
                                this._lightingInfos.w = this._specularIntensity,
                                f.updateVector4("vLightingIntensity", this._lightingInfos),
                                s.ambientColor.multiplyToRef(this._ambientColor, this._globalAmbientColor),
                                f.updateColor3("vAmbientColor", this._globalAmbientColor),
                                f.updateFloat2("vDebugMode", this._debugLimit, this._debugFactor)
                            }
                            s.texturesEnabled && (this._albedoTexture && vs.DiffuseTextureEnabled && f.setTexture("albedoSampler", this._albedoTexture),
                            this._ambientTexture && vs.AmbientTextureEnabled && f.setTexture("ambientSampler", this._ambientTexture),
                            this._opacityTexture && vs.OpacityTextureEnabled && f.setTexture("opacitySampler", this._opacityTexture),
                            p && vs.ReflectionTextureEnabled && (l.LODBASEDMICROSFURACE ? f.setTexture("reflectionSampler", p) : (f.setTexture("reflectionSampler", p._lodTextureMid || p),
                            f.setTexture("reflectionSamplerLow", p._lodTextureLow || p),
                            f.setTexture("reflectionSamplerHigh", p._lodTextureHigh || p)),
                            l.USEIRRADIANCEMAP && f.setTexture("irradianceSampler", p.irradianceTexture)),
                            l.ENVIRONMENTBRDF && f.setTexture("environmentBrdfSampler", this._environmentBRDFTexture),
                            this._emissiveTexture && vs.EmissiveTextureEnabled && f.setTexture("emissiveSampler", this._emissiveTexture),
                            this._lightmapTexture && vs.LightmapTextureEnabled && f.setTexture("lightmapSampler", this._lightmapTexture),
                            vs.SpecularTextureEnabled && (this._metallicTexture ? f.setTexture("reflectivitySampler", this._metallicTexture) : this._reflectivityTexture && f.setTexture("reflectivitySampler", this._reflectivityTexture),
                            this._metallicReflectanceTexture && f.setTexture("metallicReflectanceSampler", this._metallicReflectanceTexture),
                            this._reflectanceTexture && l.REFLECTANCE && f.setTexture("reflectanceSampler", this._reflectanceTexture),
                            this._microSurfaceTexture && f.setTexture("microSurfaceSampler", this._microSurfaceTexture)),
                            this._bumpTexture && u.getCaps().standardDerivatives && vs.BumpTextureEnabled && !this._disableBumpMap && f.setTexture("bumpSampler", this._bumpTexture)),
                            this.getScene().useOrderIndependentTransparency && this.needAlphaBlendingForMesh(t) && this.getScene().depthPeelingRenderer.bind(c),
                            this._eventInfo.subMesh = i,
                            this._callbackPluginEventBindForSubMesh(this._eventInfo),
                            Mr.BindClipPlane(this._activeEffect, s),
                            this.bindEyePosition(c)
                        } else
                            s.getEngine()._features.needToAlwaysBindUniformBuffers && (this._needToBindSceneUbo = !0);
                        !h && this.isFrozen || (s.lightsEnabled && !this._disableLighting && Mr.BindLights(s, t, this._activeEffect, l, this._maxSimultaneousLights),
                        (s.fogEnabled && t.applyFog && s.fogMode !== mn.FOGMODE_NONE || p || t.receiveShadows) && this.bindView(c),
                        Mr.BindFogParameters(s, t, this._activeEffect, !0),
                        l.NUM_MORPH_INFLUENCERS && Mr.BindMorphTargetParameters(t, this._activeEffect),
                        l.BAKED_VERTEX_ANIMATION_TEXTURE && (null === (a = t.bakedVertexAnimationManager) || void 0 === a || a.bind(c, l.INSTANCES)),
                        this._imageProcessingConfiguration.bind(this._activeEffect),
                        Mr.BindLogDepth(l, this._activeEffect, s)),
                        this._afterBind(t, this._activeEffect),
                        f.update()
                    }
                }
            }
            ,
            t.prototype.getAnimatables = function() {
                var t = e.prototype.getAnimatables.call(this);
                return this._albedoTexture && this._albedoTexture.animations && this._albedoTexture.animations.length > 0 && t.push(this._albedoTexture),
                this._ambientTexture && this._ambientTexture.animations && this._ambientTexture.animations.length > 0 && t.push(this._ambientTexture),
                this._opacityTexture && this._opacityTexture.animations && this._opacityTexture.animations.length > 0 && t.push(this._opacityTexture),
                this._reflectionTexture && this._reflectionTexture.animations && this._reflectionTexture.animations.length > 0 && t.push(this._reflectionTexture),
                this._emissiveTexture && this._emissiveTexture.animations && this._emissiveTexture.animations.length > 0 && t.push(this._emissiveTexture),
                this._metallicTexture && this._metallicTexture.animations && this._metallicTexture.animations.length > 0 ? t.push(this._metallicTexture) : this._reflectivityTexture && this._reflectivityTexture.animations && this._reflectivityTexture.animations.length > 0 && t.push(this._reflectivityTexture),
                this._bumpTexture && this._bumpTexture.animations && this._bumpTexture.animations.length > 0 && t.push(this._bumpTexture),
                this._lightmapTexture && this._lightmapTexture.animations && this._lightmapTexture.animations.length > 0 && t.push(this._lightmapTexture),
                t
            }
            ,
            t.prototype._getReflectionTexture = function() {
                return this._reflectionTexture ? this._reflectionTexture : this.getScene().environmentTexture
            }
            ,
            t.prototype.getActiveTextures = function() {
                var t = e.prototype.getActiveTextures.call(this);
                return this._albedoTexture && t.push(this._albedoTexture),
                this._ambientTexture && t.push(this._ambientTexture),
                this._opacityTexture && t.push(this._opacityTexture),
                this._reflectionTexture && t.push(this._reflectionTexture),
                this._emissiveTexture && t.push(this._emissiveTexture),
                this._reflectivityTexture && t.push(this._reflectivityTexture),
                this._metallicTexture && t.push(this._metallicTexture),
                this._metallicReflectanceTexture && t.push(this._metallicReflectanceTexture),
                this._reflectanceTexture && t.push(this._reflectanceTexture),
                this._microSurfaceTexture && t.push(this._microSurfaceTexture),
                this._bumpTexture && t.push(this._bumpTexture),
                this._lightmapTexture && t.push(this._lightmapTexture),
                t
            }
            ,
            t.prototype.hasTexture = function(t) {
                return !!e.prototype.hasTexture.call(this, t) || this._albedoTexture === t || this._ambientTexture === t || this._opacityTexture === t || this._reflectionTexture === t || this._reflectivityTexture === t || this._metallicTexture === t || this._metallicReflectanceTexture === t || this._reflectanceTexture === t || this._microSurfaceTexture === t || this._bumpTexture === t || this._lightmapTexture === t
            }
            ,
            t.prototype.setPrePassRenderer = function() {
                var e;
                if (null === (e = this.subSurface) || void 0 === e ? void 0 : e.isScatteringEnabled) {
                    var t = this.getScene().enableSubSurfaceForPrePass();
                    return t && (t.enabled = !0),
                    !0
                }
                return !1
            }
            ,
            t.prototype.dispose = function(t, i) {
                var n, r, o, a, s, l, c, u, h, d, p, f;
                i && (this._environmentBRDFTexture && this.getScene().environmentBRDFTexture !== this._environmentBRDFTexture && this._environmentBRDFTexture.dispose(),
                null === (n = this._albedoTexture) || void 0 === n || n.dispose(),
                null === (r = this._ambientTexture) || void 0 === r || r.dispose(),
                null === (o = this._opacityTexture) || void 0 === o || o.dispose(),
                null === (a = this._reflectionTexture) || void 0 === a || a.dispose(),
                null === (s = this._emissiveTexture) || void 0 === s || s.dispose(),
                null === (l = this._metallicTexture) || void 0 === l || l.dispose(),
                null === (c = this._reflectivityTexture) || void 0 === c || c.dispose(),
                null === (u = this._bumpTexture) || void 0 === u || u.dispose(),
                null === (h = this._lightmapTexture) || void 0 === h || h.dispose(),
                null === (d = this._metallicReflectanceTexture) || void 0 === d || d.dispose(),
                null === (p = this._reflectanceTexture) || void 0 === p || p.dispose(),
                null === (f = this._microSurfaceTexture) || void 0 === f || f.dispose()),
                this._renderTargets.dispose(),
                this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.PBRMATERIAL_OPAQUE = Or.MATERIAL_OPAQUE,
            t.PBRMATERIAL_ALPHATEST = Or.MATERIAL_ALPHATEST,
            t.PBRMATERIAL_ALPHABLEND = Or.MATERIAL_ALPHABLEND,
            t.PBRMATERIAL_ALPHATESTANDBLEND = Or.MATERIAL_ALPHATESTANDBLEND,
            t.DEFAULT_AO_ON_ANALYTICAL_LIGHTS = 0,
            t.LIGHTFALLOFF_PHYSICAL = 0,
            t.LIGHTFALLOFF_GLTF = 1,
            t.LIGHTFALLOFF_STANDARD = 2,
            k([we()], t.prototype, "_imageProcessingConfiguration", void 0),
            k([Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "debugMode", void 0),
            k([Ce()], t.prototype, "useLogarithmicDepth", null),
            t
        }(gs)
          , op = function(e) {
            function t(i, n) {
                var r = e.call(this, i, n) || this;
                return r.directIntensity = 1,
                r.emissiveIntensity = 1,
                r.environmentIntensity = 1,
                r.specularIntensity = 1,
                r.disableBumpMap = !1,
                r.ambientTextureStrength = 1,
                r.ambientTextureImpactOnAnalyticalLights = t.DEFAULT_AO_ON_ANALYTICAL_LIGHTS,
                r.metallicF0Factor = 1,
                r.metallicReflectanceColor = D.White(),
                r.useOnlyMetallicFromMetallicReflectanceTexture = !1,
                r.ambientColor = new D(0,0,0),
                r.albedoColor = new D(1,1,1),
                r.reflectivityColor = new D(1,1,1),
                r.reflectionColor = new D(1,1,1),
                r.emissiveColor = new D(0,0,0),
                r.microSurface = 1,
                r.useLightmapAsShadowmap = !1,
                r.useAlphaFromAlbedoTexture = !1,
                r.forceAlphaTest = !1,
                r.alphaCutOff = .4,
                r.useSpecularOverAlpha = !0,
                r.useMicroSurfaceFromReflectivityMapAlpha = !1,
                r.useRoughnessFromMetallicTextureAlpha = !0,
                r.useRoughnessFromMetallicTextureGreen = !1,
                r.useMetallnessFromMetallicTextureBlue = !1,
                r.useAmbientOcclusionFromMetallicTextureRed = !1,
                r.useAmbientInGrayScale = !1,
                r.useAutoMicroSurfaceFromReflectivityMap = !1,
                r.useRadianceOverAlpha = !0,
                r.useObjectSpaceNormalMap = !1,
                r.useParallax = !1,
                r.useParallaxOcclusion = !1,
                r.parallaxScaleBias = .05,
                r.disableLighting = !1,
                r.forceIrradianceInFragment = !1,
                r.maxSimultaneousLights = 4,
                r.invertNormalMapX = !1,
                r.invertNormalMapY = !1,
                r.twoSidedLighting = !1,
                r.useAlphaFresnel = !1,
                r.useLinearAlphaFresnel = !1,
                r.environmentBRDFTexture = null,
                r.forceNormalForward = !1,
                r.enableSpecularAntiAliasing = !1,
                r.useHorizonOcclusion = !0,
                r.useRadianceOcclusion = !0,
                r.unlit = !1,
                r._environmentBRDFTexture = Hd(r.getScene()),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "refractionTexture", {
                get: function() {
                    return this.subSurface.refractionTexture
                },
                set: function(e) {
                    this.subSurface.refractionTexture = e,
                    e ? this.subSurface.isRefractionEnabled = !0 : this.subSurface.linkRefractionWithTransparency || (this.subSurface.isRefractionEnabled = !1)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "indexOfRefraction", {
                get: function() {
                    return this.subSurface.indexOfRefraction
                },
                set: function(e) {
                    this.subSurface.indexOfRefraction = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "invertRefractionY", {
                get: function() {
                    return this.subSurface.invertRefractionY
                },
                set: function(e) {
                    this.subSurface.invertRefractionY = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "linkRefractionWithTransparency", {
                get: function() {
                    return this.subSurface.linkRefractionWithTransparency
                },
                set: function(e) {
                    this.subSurface.linkRefractionWithTransparency = e,
                    e && (this.subSurface.isRefractionEnabled = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "usePhysicalLightFalloff", {
                get: function() {
                    return this._lightFalloff === rp.LIGHTFALLOFF_PHYSICAL
                },
                set: function(e) {
                    e !== this.usePhysicalLightFalloff && (this._markAllSubMeshesAsTexturesDirty(),
                    this._lightFalloff = e ? rp.LIGHTFALLOFF_PHYSICAL : rp.LIGHTFALLOFF_STANDARD)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useGLTFLightFalloff", {
                get: function() {
                    return this._lightFalloff === rp.LIGHTFALLOFF_GLTF
                },
                set: function(e) {
                    e !== this.useGLTFLightFalloff && (this._markAllSubMeshesAsTexturesDirty(),
                    this._lightFalloff = e ? rp.LIGHTFALLOFF_GLTF : rp.LIGHTFALLOFF_STANDARD)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    this._attachImageProcessingConfiguration(e),
                    this._markAllSubMeshesAsTexturesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurvesEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorCurvesEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorCurvesEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingEnabled", {
                get: function() {
                    return this.imageProcessingConfiguration.colorGradingEnabled
                },
                set: function(e) {
                    this.imageProcessingConfiguration.colorGradingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraToneMappingEnabled", {
                get: function() {
                    return this._imageProcessingConfiguration.toneMappingEnabled
                },
                set: function(e) {
                    this._imageProcessingConfiguration.toneMappingEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraExposure", {
                get: function() {
                    return this._imageProcessingConfiguration.exposure
                },
                set: function(e) {
                    this._imageProcessingConfiguration.exposure = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraContrast", {
                get: function() {
                    return this._imageProcessingConfiguration.contrast
                },
                set: function(e) {
                    this._imageProcessingConfiguration.contrast = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorGradingTexture", {
                get: function() {
                    return this._imageProcessingConfiguration.colorGradingTexture
                },
                set: function(e) {
                    this._imageProcessingConfiguration.colorGradingTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraColorCurves", {
                get: function() {
                    return this._imageProcessingConfiguration.colorCurves
                },
                set: function(e) {
                    this._imageProcessingConfiguration.colorCurves = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PBRMaterial"
            }
            ,
            t.prototype.clone = function(e) {
                var i = this
                  , n = Ge.Clone((function() {
                    return new t(e,i.getScene())
                }
                ), this);
                return n.id = e,
                n.name = e,
                this.stencil.copyTo(n.stencil),
                this.clearCoat.copyTo(n.clearCoat),
                this.anisotropy.copyTo(n.anisotropy),
                this.brdf.copyTo(n.brdf),
                this.sheen.copyTo(n.sheen),
                this.subSurface.copyTo(n.subSurface),
                n
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.customType = "BABYLON.PBRMaterial",
                t.clearCoat = this.clearCoat.serialize(),
                t.anisotropy = this.anisotropy.serialize(),
                t.brdf = this.brdf.serialize(),
                t.sheen = this.sheen.serialize(),
                t.subSurface = this.subSurface.serialize(),
                t
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return e.stencil && r.stencil.parse(e.stencil, i, n),
                e.clearCoat && r.clearCoat.parse(e.clearCoat, i, n),
                e.anisotropy && r.anisotropy.parse(e.anisotropy, i, n),
                e.brdf && r.brdf.parse(e.brdf, i, n),
                e.sheen && r.sheen.parse(e.sheen, i, n),
                e.subSurface && r.subSurface.parse(e.subSurface, i, n),
                r
            }
            ,
            t.PBRMATERIAL_OPAQUE = rp.PBRMATERIAL_OPAQUE,
            t.PBRMATERIAL_ALPHATEST = rp.PBRMATERIAL_ALPHATEST,
            t.PBRMATERIAL_ALPHABLEND = rp.PBRMATERIAL_ALPHABLEND,
            t.PBRMATERIAL_ALPHATESTANDBLEND = rp.PBRMATERIAL_ALPHATESTANDBLEND,
            t.DEFAULT_AO_ON_ANALYTICAL_LIGHTS = rp.DEFAULT_AO_ON_ANALYTICAL_LIGHTS,
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "directIntensity", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveIntensity", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "environmentIntensity", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "specularIntensity", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "disableBumpMap", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "albedoTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "ambientTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "ambientTextureStrength", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "ambientTextureImpactOnAnalyticalLights", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "opacityTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectivityTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallicTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallic", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "roughness", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallicF0Factor", void 0),
            k([Me(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallicReflectanceColor", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useOnlyMetallicFromMetallicReflectanceTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallicReflectanceTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectanceTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "microSurfaceTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "bumpTexture", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", null)], t.prototype, "lightmapTexture", void 0),
            k([Me("ambient"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "ambientColor", void 0),
            k([Me("albedo"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "albedoColor", void 0),
            k([Me("reflectivity"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectivityColor", void 0),
            k([Me("reflection"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "reflectionColor", void 0),
            k([Me("emissive"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveColor", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "microSurface", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useLightmapAsShadowmap", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "useAlphaFromAlbedoTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "forceAlphaTest", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesAndMiscDirty")], t.prototype, "alphaCutOff", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useSpecularOverAlpha", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useMicroSurfaceFromReflectivityMapAlpha", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRoughnessFromMetallicTextureAlpha", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRoughnessFromMetallicTextureGreen", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useMetallnessFromMetallicTextureBlue", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useAmbientOcclusionFromMetallicTextureRed", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useAmbientInGrayScale", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useAutoMicroSurfaceFromReflectivityMap", void 0),
            k([Ce()], t.prototype, "usePhysicalLightFalloff", null),
            k([Ce()], t.prototype, "useGLTFLightFalloff", null),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRadianceOverAlpha", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useObjectSpaceNormalMap", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useParallax", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useParallaxOcclusion", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "parallaxScaleBias", void 0),
            k([Ce(), Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "disableLighting", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "forceIrradianceInFragment", void 0),
            k([Ce(), Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "maxSimultaneousLights", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapX", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapY", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "twoSidedLighting", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useAlphaFresnel", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useLinearAlphaFresnel", void 0),
            k([Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "environmentBRDFTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "forceNormalForward", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "enableSpecularAntiAliasing", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useHorizonOcclusion", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useRadianceOcclusion", void 0),
            k([Ce(), Re("_markAllSubMeshesAsMiscDirty")], t.prototype, "unlit", void 0),
            t
        }(rp);
        y("BABYLON.PBRMaterial", op);
        var ap = 131072
          , sp = 131072;
        function lp(e) {
            return e.charCodeAt(0) + (e.charCodeAt(1) << 8) + (e.charCodeAt(2) << 16) + (e.charCodeAt(3) << 24)
        }
        var cp = lp("DXT1")
          , up = lp("DXT3")
          , hp = lp("DXT5")
          , dp = lp("DX10")
          , pp = function() {
            function e() {}
            return e.GetDDSInfo = function(e) {
                var t = new Int32Array(e.buffer,e.byteOffset,31)
                  , i = new Int32Array(e.buffer,e.byteOffset,35)
                  , n = 1;
                t[2] & ap && (n = Math.max(1, t[7]));
                var r = t[21]
                  , o = r === dp ? i[32] : 0
                  , s = a.TEXTURETYPE_UNSIGNED_INT;
                switch (r) {
                case 113:
                    s = a.TEXTURETYPE_HALF_FLOAT;
                    break;
                case 116:
                    s = a.TEXTURETYPE_FLOAT;
                    break;
                case dp:
                    if (10 === o) {
                        s = a.TEXTURETYPE_HALF_FLOAT;
                        break
                    }
                    if (2 === o) {
                        s = a.TEXTURETYPE_FLOAT;
                        break
                    }
                }
                return {
                    width: t[4],
                    height: t[3],
                    mipmapCount: n,
                    isFourCC: 4 == (4 & t[20]),
                    isRGB: 64 == (64 & t[20]),
                    isLuminance: (t[20] & sp) === sp,
                    isCube: 512 == (512 & t[28]),
                    isCompressed: r === cp || r === up || r === hp,
                    dxgiFormat: o,
                    textureType: s
                }
            }
            ,
            e._GetHalfFloatAsFloatRGBAArrayBuffer = function(t, i, n, r, o, a) {
                for (var s = new Float32Array(r), l = new Uint16Array(o,n), c = 0, u = 0; u < i; u++)
                    for (var h = 0; h < t; h++) {
                        var d = 4 * (h + u * t);
                        s[c] = Dc(l[d]),
                        s[c + 1] = Dc(l[d + 1]),
                        s[c + 2] = Dc(l[d + 2]),
                        e.StoreLODInAlphaChannel ? s[c + 3] = a : s[c + 3] = Dc(l[d + 3]),
                        c += 4
                    }
                return s
            }
            ,
            e._GetHalfFloatRGBAArrayBuffer = function(t, i, n, r, o, a) {
                if (e.StoreLODInAlphaChannel) {
                    for (var s = new Uint16Array(r), l = new Uint16Array(o,n), c = 0, u = 0; u < i; u++)
                        for (var h = 0; h < t; h++) {
                            var d = 4 * (h + u * t);
                            s[c] = l[d],
                            s[c + 1] = l[d + 1],
                            s[c + 2] = l[d + 2],
                            s[c + 3] = Oc(a),
                            c += 4
                        }
                    return s
                }
                return new Uint16Array(o,n,r)
            }
            ,
            e._GetFloatRGBAArrayBuffer = function(t, i, n, r, o, a) {
                if (e.StoreLODInAlphaChannel) {
                    for (var s = new Float32Array(r), l = new Float32Array(o,n), c = 0, u = 0; u < i; u++)
                        for (var h = 0; h < t; h++) {
                            var d = 4 * (h + u * t);
                            s[c] = l[d],
                            s[c + 1] = l[d + 1],
                            s[c + 2] = l[d + 2],
                            s[c + 3] = a,
                            c += 4
                        }
                    return s
                }
                return new Float32Array(o,n,r)
            }
            ,
            e._GetFloatAsHalfFloatRGBAArrayBuffer = function(t, i, n, r, o, a) {
                for (var s = new Uint16Array(r), l = new Float32Array(o,n), c = 0, u = 0; u < i; u++)
                    for (var h = 0; h < t; h++)
                        s[c] = Oc(l[c]),
                        s[c + 1] = Oc(l[c + 1]),
                        s[c + 2] = Oc(l[c + 2]),
                        e.StoreLODInAlphaChannel ? s[c + 3] = Oc(a) : s[c + 3] = Oc(l[c + 3]),
                        c += 4;
                return s
            }
            ,
            e._GetFloatAsUIntRGBAArrayBuffer = function(t, i, n, r, o, a) {
                for (var s = new Uint8Array(r), l = new Float32Array(o,n), c = 0, u = 0; u < i; u++)
                    for (var h = 0; h < t; h++) {
                        var p = 4 * (h + u * t);
                        s[c] = 255 * d.Clamp(l[p]),
                        s[c + 1] = 255 * d.Clamp(l[p + 1]),
                        s[c + 2] = 255 * d.Clamp(l[p + 2]),
                        e.StoreLODInAlphaChannel ? s[c + 3] = a : s[c + 3] = 255 * d.Clamp(l[p + 3]),
                        c += 4
                    }
                return s
            }
            ,
            e._GetHalfFloatAsUIntRGBAArrayBuffer = function(t, i, n, r, o, a) {
                for (var s = new Uint8Array(r), l = new Uint16Array(o,n), c = 0, u = 0; u < i; u++)
                    for (var h = 0; h < t; h++) {
                        var p = 4 * (h + u * t);
                        s[c] = 255 * d.Clamp(Dc(l[p])),
                        s[c + 1] = 255 * d.Clamp(Dc(l[p + 1])),
                        s[c + 2] = 255 * d.Clamp(Dc(l[p + 2])),
                        e.StoreLODInAlphaChannel ? s[c + 3] = a : s[c + 3] = 255 * d.Clamp(Dc(l[p + 3])),
                        c += 4
                    }
                return s
            }
            ,
            e._GetRGBAArrayBuffer = function(e, t, i, n, r, o, a, s, l) {
                for (var c = new Uint8Array(n), u = new Uint8Array(r,i), h = 0, d = 0; d < t; d++)
                    for (var p = 0; p < e; p++) {
                        var f = 4 * (p + d * e);
                        c[h] = u[f + o],
                        c[h + 1] = u[f + a],
                        c[h + 2] = u[f + s],
                        c[h + 3] = u[f + l],
                        h += 4
                    }
                return c
            }
            ,
            e._ExtractLongWordOrder = function(t) {
                return 0 === t || 255 === t || -16777216 === t ? 0 : 1 + e._ExtractLongWordOrder(t >> 8)
            }
            ,
            e._GetRGBArrayBuffer = function(e, t, i, n, r, o, a, s) {
                for (var l = new Uint8Array(n), c = new Uint8Array(r,i), u = 0, h = 0; h < t; h++)
                    for (var d = 0; d < e; d++) {
                        var p = 3 * (d + h * e);
                        l[u] = c[p + o],
                        l[u + 1] = c[p + a],
                        l[u + 2] = c[p + s],
                        u += 3
                    }
                return l
            }
            ,
            e._GetLuminanceArrayBuffer = function(e, t, i, n, r) {
                for (var o = new Uint8Array(n), a = new Uint8Array(r,i), s = 0, l = 0; l < t; l++)
                    for (var c = 0; c < e; c++) {
                        var u = c + l * e;
                        o[s] = a[u],
                        s++
                    }
                return o
            }
            ,
            e.UploadDDSLevels = function(t, i, n, r, o, s, l, c, u) {
                void 0 === l && (l = -1),
                void 0 === u && (u = !0);
                var h = null;
                r.sphericalPolynomial && (h = new Array);
                var d = !!t.getCaps().s3tc;
                i.generateMipMaps = o;
                var p, f, _, m, g, v, y, b = new Int32Array(n.buffer,n.byteOffset,31), T = 0, E = 0, S = 1;
                if (542327876 === b[0])
                    if (r.isFourCC || r.isRGB || r.isLuminance)
                        if (!r.isCompressed || d) {
                            var A = b[22];
                            m = b[1] + 4;
                            var x, R = !1;
                            if (r.isFourCC)
                                switch (p = b[21]) {
                                case cp:
                                    S = 8,
                                    E = a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT1;
                                    break;
                                case up:
                                    S = 16,
                                    E = a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT3;
                                    break;
                                case hp:
                                    S = 16,
                                    E = a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT5;
                                    break;
                                case 113:
                                    R = !0,
                                    A = 64;
                                    break;
                                case 116:
                                    R = !0,
                                    A = 128;
                                    break;
                                case dp:
                                    m += 20;
                                    var C = !1;
                                    switch (r.dxgiFormat) {
                                    case 10:
                                        R = !0,
                                        A = 64,
                                        C = !0;
                                        break;
                                    case 2:
                                        R = !0,
                                        A = 128,
                                        C = !0;
                                        break;
                                    case 88:
                                        r.isRGB = !0,
                                        r.isFourCC = !1,
                                        A = 32,
                                        C = !0
                                    }
                                    if (C)
                                        break;
                                default:
                                    return void console.error("Unsupported FourCC code:", (x = p,
                                    String.fromCharCode(255 & x, x >> 8 & 255, x >> 16 & 255, x >> 24 & 255)))
                                }
                            var P = e._ExtractLongWordOrder(b[23])
                              , M = e._ExtractLongWordOrder(b[24])
                              , I = e._ExtractLongWordOrder(b[25])
                              , O = e._ExtractLongWordOrder(b[26]);
                            R && (E = t._getRGBABufferInternalSizedFormat(r.textureType)),
                            v = 1,
                            b[2] & ap && !1 !== o && (v = Math.max(1, b[7]));
                            for (var D = c || 0, N = t.getCaps(), L = D; L < s; L++) {
                                for (f = b[4],
                                _ = b[3],
                                y = 0; y < v; ++y) {
                                    if (-1 === l || l === y) {
                                        var F = -1 === l ? y : 0;
                                        if (!r.isCompressed && r.isFourCC) {
                                            i.format = a.TEXTUREFORMAT_RGBA,
                                            T = f * _ * 4;
                                            var w = null;
                                            if (t._badOS || t._badDesktopOS || !N.textureHalfFloat && !N.textureFloat)
                                                128 === A ? (w = e._GetFloatAsUIntRGBAArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, F),
                                                h && 0 == F && h.push(e._GetFloatRGBAArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, F))) : 64 === A && (w = e._GetHalfFloatAsUIntRGBAArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, F),
                                                h && 0 == F && h.push(e._GetHalfFloatAsFloatRGBAArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, F))),
                                                i.type = a.TEXTURETYPE_UNSIGNED_INT;
                                            else {
                                                var B = N.textureFloat && (u && N.textureFloatLinearFiltering || !u)
                                                  , U = N.textureHalfFloat && (u && N.textureHalfFloatLinearFiltering || !u)
                                                  , V = (128 === A || 64 === A && !U) && B ? a.TEXTURETYPE_FLOAT : (64 === A || 128 === A && !B) && U ? a.TEXTURETYPE_HALF_FLOAT : a.TEXTURETYPE_UNSIGNED_BYTE
                                                  , k = void 0
                                                  , G = null;
                                                if (128 === A)
                                                    switch (V) {
                                                    case a.TEXTURETYPE_FLOAT:
                                                        k = e._GetFloatRGBAArrayBuffer,
                                                        G = null;
                                                        break;
                                                    case a.TEXTURETYPE_HALF_FLOAT:
                                                        k = e._GetFloatAsHalfFloatRGBAArrayBuffer,
                                                        G = e._GetFloatRGBAArrayBuffer;
                                                        break;
                                                    case a.TEXTURETYPE_UNSIGNED_BYTE:
                                                        k = e._GetFloatAsUIntRGBAArrayBuffer,
                                                        G = e._GetFloatRGBAArrayBuffer
                                                    }
                                                else
                                                    switch (V) {
                                                    case a.TEXTURETYPE_FLOAT:
                                                        k = e._GetHalfFloatAsFloatRGBAArrayBuffer,
                                                        G = null;
                                                        break;
                                                    case a.TEXTURETYPE_HALF_FLOAT:
                                                        k = e._GetHalfFloatRGBAArrayBuffer,
                                                        G = e._GetHalfFloatAsFloatRGBAArrayBuffer;
                                                        break;
                                                    case a.TEXTURETYPE_UNSIGNED_BYTE:
                                                        k = e._GetHalfFloatAsUIntRGBAArrayBuffer,
                                                        G = e._GetHalfFloatAsFloatRGBAArrayBuffer
                                                    }
                                                i.type = V,
                                                w = k(f, _, n.byteOffset + m, T, n.buffer, F),
                                                h && 0 == F && h.push(G ? G(f, _, n.byteOffset + m, T, n.buffer, F) : w)
                                            }
                                            w && t._uploadDataToTextureDirectly(i, w, L, F)
                                        } else if (r.isRGB)
                                            i.type = a.TEXTURETYPE_UNSIGNED_INT,
                                            24 === A ? (i.format = a.TEXTUREFORMAT_RGB,
                                            T = f * _ * 3,
                                            g = e._GetRGBArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, P, M, I),
                                            t._uploadDataToTextureDirectly(i, g, L, F)) : (i.format = a.TEXTUREFORMAT_RGBA,
                                            T = f * _ * 4,
                                            g = e._GetRGBAArrayBuffer(f, _, n.byteOffset + m, T, n.buffer, P, M, I, O),
                                            t._uploadDataToTextureDirectly(i, g, L, F));
                                        else if (r.isLuminance) {
                                            var z = t._getUnpackAlignement()
                                              , W = f;
                                            T = Math.floor((f + z - 1) / z) * z * (_ - 1) + W,
                                            g = e._GetLuminanceArrayBuffer(f, _, n.byteOffset + m, T, n.buffer),
                                            i.format = a.TEXTUREFORMAT_LUMINANCE,
                                            i.type = a.TEXTURETYPE_UNSIGNED_INT,
                                            t._uploadDataToTextureDirectly(i, g, L, F)
                                        } else
                                            T = Math.max(4, f) / 4 * Math.max(4, _) / 4 * S,
                                            g = new Uint8Array(n.buffer,n.byteOffset + m,T),
                                            i.type = a.TEXTURETYPE_UNSIGNED_INT,
                                            t._uploadCompressedDataToTextureDirectly(i, E, f, _, g, L, F)
                                    }
                                    m += A ? f * _ * (A / 8) : T,
                                    f *= .5,
                                    _ *= .5,
                                    f = Math.max(1, f),
                                    _ = Math.max(1, _)
                                }
                                if (void 0 !== c)
                                    break
                            }
                            h && h.length > 0 ? r.sphericalPolynomial = wc.ConvertCubeMapToSphericalPolynomial({
                                size: b[4],
                                right: h[0],
                                left: h[1],
                                up: h[2],
                                down: h[3],
                                front: h[4],
                                back: h[5],
                                format: a.TEXTUREFORMAT_RGBA,
                                type: a.TEXTURETYPE_FLOAT,
                                gammaSpace: !1
                            }) : r.sphericalPolynomial = void 0
                        } else
                            K.Error("Compressed textures are not supported on this platform.");
                    else
                        K.Error("Unsupported format, must contain a FourCC, RGB or LUMINANCE code");
                else
                    K.Error("Invalid magic number in DDS header")
            }
            ,
            e.StoreLODInAlphaChannel = !1,
            e
        }();
        Ht.prototype.createPrefilteredCubeTexture = function(e, t, i, n, r, o, s, l, c) {
            var u = this;
            return void 0 === r && (r = null),
            void 0 === o && (o = null),
            void 0 === l && (l = null),
            void 0 === c && (c = !0),
            this.createCubeTexture(e, t, null, !1, (function(e) {
                if (e) {
                    var o = e.texture;
                    if (c ? e.info.sphericalPolynomial && (o._sphericalPolynomial = e.info.sphericalPolynomial) : o._sphericalPolynomial = new Pc,
                    o._source = At.CubePrefiltered,
                    u.getCaps().textureLOD)
                        r && r(o);
                    else {
                        var s = u._gl
                          , l = e.width;
                        if (l) {
                            for (var h = [], p = 0; p < 3; p++) {
                                var f = 1 - p / 2
                                  , _ = n
                                  , m = d.Log2(l) * i + n
                                  , g = _ + (m - _) * f
                                  , v = Math.round(Math.min(Math.max(g, 0), m))
                                  , y = new Lt(u,At.Temp);
                                if (y.type = o.type,
                                y.format = o.format,
                                y.width = Math.pow(2, Math.max(d.Log2(l) - v, 0)),
                                y.height = y.width,
                                y.isCube = !0,
                                y._cachedWrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
                                y._cachedWrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
                                u._bindTextureDirectly(s.TEXTURE_CUBE_MAP, y, !0),
                                y.samplingMode = a.TEXTURE_LINEAR_LINEAR,
                                s.texParameteri(s.TEXTURE_CUBE_MAP, s.TEXTURE_MAG_FILTER, s.LINEAR),
                                s.texParameteri(s.TEXTURE_CUBE_MAP, s.TEXTURE_MIN_FILTER, s.LINEAR),
                                s.texParameteri(s.TEXTURE_CUBE_MAP, s.TEXTURE_WRAP_S, s.CLAMP_TO_EDGE),
                                s.texParameteri(s.TEXTURE_CUBE_MAP, s.TEXTURE_WRAP_T, s.CLAMP_TO_EDGE),
                                e.isDDS) {
                                    var b = e.info
                                      , T = e.data;
                                    u._unpackFlipY(b.isCompressed),
                                    pp.UploadDDSLevels(u, y, T, b, !0, 6, v)
                                } else
                                    K.Warn("DDS is the only prefiltered cube map supported so far.");
                                u._bindTextureDirectly(s.TEXTURE_CUBE_MAP, null);
                                var E = new Zr(t);
                                E.isCube = !0,
                                E._texture = y,
                                y.isReady = !0,
                                h.push(E)
                            }
                            o._lodTextureHigh = h[2],
                            o._lodTextureMid = h[1],
                            o._lodTextureLow = h[0],
                            r && r(o)
                        }
                    }
                } else
                    r && r(null)
            }
            ), o, s, l, c, i, n)
        }
        ;
        var fp = function() {
            function e() {
                this.supportCascades = !0
            }
            return e.prototype.canLoad = function(e) {
                return oe(e, ".dds")
            }
            ,
            e.prototype.loadCubeData = function(e, t, i, n) {
                var r, o = t.getEngine(), a = !1, s = 1e3;
                if (Array.isArray(e))
                    for (var l = 0; l < e.length; l++) {
                        var c = e[l];
                        r = pp.GetDDSInfo(c),
                        t.width = r.width,
                        t.height = r.height,
                        a = (r.isRGB || r.isLuminance || r.mipmapCount > 1) && t.generateMipMaps,
                        o._unpackFlipY(r.isCompressed),
                        pp.UploadDDSLevels(o, t, c, r, a, 6, -1, l),
                        r.isFourCC || 1 !== r.mipmapCount ? s = r.mipmapCount - 1 : o.generateMipMapsForCubemap(t)
                    }
                else
                    c = e,
                    r = pp.GetDDSInfo(c),
                    t.width = r.width,
                    t.height = r.height,
                    i && (r.sphericalPolynomial = new Pc),
                    a = (r.isRGB || r.isLuminance || r.mipmapCount > 1) && t.generateMipMaps,
                    o._unpackFlipY(r.isCompressed),
                    pp.UploadDDSLevels(o, t, c, r, a, 6),
                    r.isFourCC || 1 !== r.mipmapCount ? s = r.mipmapCount - 1 : o.generateMipMapsForCubemap(t, !1);
                o._setCubeMapTextureParams(t, a, s),
                t.isReady = !0,
                t.onLoadedObservable.notifyObservers(t),
                t.onLoadedObservable.clear(),
                n && n({
                    isDDS: !0,
                    width: t.width,
                    info: r,
                    data: e,
                    texture: t
                })
            }
            ,
            e.prototype.loadData = function(e, t, i) {
                var n = pp.GetDDSInfo(e)
                  , r = (n.isRGB || n.isLuminance || n.mipmapCount > 1) && t.generateMipMaps && n.width >> n.mipmapCount - 1 == 1;
                i(n.width, n.height, r, n.isFourCC, (function() {
                    pp.UploadDDSLevels(t.getEngine(), t, e, n, r, 1)
                }
                ))
            }
            ,
            e
        }();
        vr._TextureLoaders.push(new fp);
        var _p = function() {
            function e() {
                this.supportCascades = !1
            }
            return e.prototype.canLoad = function(e) {
                return oe(e, ".env")
            }
            ,
            e.prototype.loadCubeData = function(e, t, i, n, r) {
                if (!Array.isArray(e)) {
                    var o = Vc(e);
                    if (o) {
                        t.width = o.width,
                        t.height = o.width;
                        try {
                            Yc(t, o),
                            Hc(t, e, o).then((function() {
                                t.isReady = !0,
                                t.onLoadedObservable.notifyObservers(t),
                                t.onLoadedObservable.clear(),
                                n && n()
                            }
                            ), (function(e) {
                                null == r || r("Can not upload environment levels", e)
                            }
                            ))
                        } catch (e) {
                            null == r || r("Can not upload environment file", e)
                        }
                    } else
                        r && r("Can not parse the environment file", null)
                }
            }
            ,
            e.prototype.loadData = function() {
                throw ".env not supported in 2d."
            }
            ,
            e
        }();
        vr._TextureLoaders.push(new _p);
        var mp = function() {
            function e(t, i) {
                if (this.data = t,
                this.isInvalid = !1,
                !e.IsValid(t))
                    return this.isInvalid = !0,
                    void K.Error("texture missing KTX identifier");
                var n = Uint32Array.BYTES_PER_ELEMENT
                  , r = new DataView(this.data.buffer,this.data.byteOffset + 12,13 * n)
                  , o = 67305985 === r.getUint32(0, !0);
                this.glType = r.getUint32(1 * n, o),
                this.glTypeSize = r.getUint32(2 * n, o),
                this.glFormat = r.getUint32(3 * n, o),
                this.glInternalFormat = r.getUint32(4 * n, o),
                this.glBaseInternalFormat = r.getUint32(5 * n, o),
                this.pixelWidth = r.getUint32(6 * n, o),
                this.pixelHeight = r.getUint32(7 * n, o),
                this.pixelDepth = r.getUint32(8 * n, o),
                this.numberOfArrayElements = r.getUint32(9 * n, o),
                this.numberOfFaces = r.getUint32(10 * n, o),
                this.numberOfMipmapLevels = r.getUint32(11 * n, o),
                this.bytesOfKeyValueData = r.getUint32(12 * n, o),
                0 === this.glType ? (this.numberOfMipmapLevels = Math.max(1, this.numberOfMipmapLevels),
                0 !== this.pixelHeight && 0 === this.pixelDepth ? 0 === this.numberOfArrayElements ? this.numberOfFaces === i ? this.loadType = e.COMPRESSED_2D : K.Error("number of faces expected" + i + ", but found " + this.numberOfFaces) : K.Error("texture arrays not currently supported") : K.Error("only 2D textures currently supported")) : K.Error("only compressed formats currently supported")
            }
            return e.prototype.uploadLevels = function(t, i) {
                switch (this.loadType) {
                case e.COMPRESSED_2D:
                    this._upload2DCompressedLevels(t, i);
                case e.TEX_2D:
                case e.COMPRESSED_3D:
                case e.TEX_3D:
                }
            }
            ,
            e.prototype._upload2DCompressedLevels = function(t, i) {
                for (var n = e.HEADER_LEN + this.bytesOfKeyValueData, r = this.pixelWidth, o = this.pixelHeight, a = i ? this.numberOfMipmapLevels : 1, s = 0; s < a; s++) {
                    var l = new Int32Array(this.data.buffer,this.data.byteOffset + n,1)[0];
                    n += 4;
                    for (var c = 0; c < this.numberOfFaces; c++) {
                        var u = new Uint8Array(this.data.buffer,this.data.byteOffset + n,l);
                        t.getEngine()._uploadCompressedDataToTextureDirectly(t, this.glInternalFormat, r, o, u, c, s),
                        n += l,
                        n += 3 - (l + 3) % 4
                    }
                    r = Math.max(1, .5 * r),
                    o = Math.max(1, .5 * o)
                }
            }
            ,
            e.IsValid = function(e) {
                if (e.byteLength >= 12) {
                    var t = new Uint8Array(e.buffer,e.byteOffset,12);
                    if (171 === t[0] && 75 === t[1] && 84 === t[2] && 88 === t[3] && 32 === t[4] && 49 === t[5] && 49 === t[6] && 187 === t[7] && 13 === t[8] && 10 === t[9] && 26 === t[10] && 10 === t[11])
                        return !0
                }
                return !1
            }
            ,
            e.HEADER_LEN = 64,
            e.COMPRESSED_2D = 0,
            e.COMPRESSED_3D = 1,
            e.TEX_2D = 2,
            e.TEX_3D = 3,
            e
        }()
          , gp = function() {
            function e(e) {
                this._pendingActions = new Array,
                this._workerInfos = e.map((function(e) {
                    return {
                        workerPromise: Promise.resolve(e),
                        idle: !0
                    }
                }
                ))
            }
            return e.prototype.dispose = function() {
                for (var e = 0, t = this._workerInfos; e < t.length; e++)
                    t[e].workerPromise.then((function(e) {
                        e.terminate()
                    }
                    ));
                this._workerInfos.length = 0,
                this._pendingActions.length = 0
            }
            ,
            e.prototype.push = function(e) {
                this._executeOnIdleWorker(e) || this._pendingActions.push(e)
            }
            ,
            e.prototype._executeOnIdleWorker = function(e) {
                for (var t = 0, i = this._workerInfos; t < i.length; t++) {
                    var n = i[t];
                    if (n.idle)
                        return this._execute(n, e),
                        !0
                }
                return !1
            }
            ,
            e.prototype._execute = function(e, t) {
                var i = this;
                e.idle = !1,
                e.workerPromise.then((function(n) {
                    t(n, (function() {
                        var t = i._pendingActions.shift();
                        t ? i._execute(e, t) : e.idle = !0
                    }
                    ))
                }
                ))
            }
            ,
            e
        }()
          , vp = function(e) {
            function t(i, n, r) {
                void 0 === r && (r = t.DefaultOptions);
                var o = e.call(this, []) || this;
                return o._maxWorkers = i,
                o._createWorkerAsync = n,
                o._options = r,
                o
            }
            return U(t, e),
            t.prototype.push = function(e) {
                if (!this._executeOnIdleWorker(e))
                    if (this._workerInfos.length < this._maxWorkers) {
                        var t = {
                            workerPromise: this._createWorkerAsync(),
                            idle: !1
                        };
                        this._workerInfos.push(t),
                        this._execute(t, e)
                    } else
                        this._pendingActions.push(e)
            }
            ,
            t.prototype._execute = function(t, i) {
                var n = this;
                t.timeoutId && (clearTimeout(t.timeoutId),
                delete t.timeoutId),
                e.prototype._execute.call(this, t, (function(e, r) {
                    i(e, (function() {
                        r(),
                        t.idle && (t.timeoutId = setTimeout((function() {
                            t.workerPromise.then((function(e) {
                                e.terminate()
                            }
                            ));
                            var e = n._workerInfos.indexOf(t);
                            -1 !== e && n._workerInfos.splice(e, 1)
                        }
                        ), n._options.idleTimeElapsedBeforeRelease))
                    }
                    ))
                }
                ))
            }
            ,
            t.DefaultOptions = {
                idleTimeElapsedBeforeRelease: 1e3
            },
            t
        }(gp)
          , yp = function() {
            function e(t, i) {
                void 0 === i && (i = e.DefaultNumWorkers),
                this._engine = t,
                e._Initialize(i)
            }
            return e.GetDefaultNumWorkers = function() {
                return "object" == typeof navigator && navigator.hardwareConcurrency ? Math.min(Math.floor(.5 * navigator.hardwareConcurrency), 4) : 1
            }
            ,
            e._Initialize = function(t) {
                e._WorkerPoolPromise || e._DecoderModulePromise || (t && "function" == typeof Worker ? e._WorkerPoolPromise = new Promise((function(i) {
                    var n = "(".concat(bp, ")()")
                      , r = URL.createObjectURL(new Blob([n],{
                        type: "application/javascript"
                    }));
                    i(new vp(t,(function() {
                        return new Promise((function(t, i) {
                            var n = new Worker(r)
                              , o = function(e) {
                                n.removeEventListener("error", o),
                                n.removeEventListener("message", a),
                                i(e)
                            }
                              , a = function(e) {
                                "init" === e.data.action && (n.removeEventListener("error", o),
                                n.removeEventListener("message", a),
                                t(n))
                            };
                            n.addEventListener("error", o),
                            n.addEventListener("message", a),
                            n.postMessage({
                                action: "init",
                                urls: e.URLConfig
                            })
                        }
                        ))
                    }
                    )))
                }
                )) : "undefined" == typeof KTX2DECODER ? e._DecoderModulePromise = gi.LoadScriptAsync(e.URLConfig.jsDecoderModule).then((function() {
                    KTX2DECODER.MSCTranscoder.UseFromWorkerThread = !1,
                    KTX2DECODER.WASMMemoryManager.LoadBinariesFromCurrentThread = !0;
                    var t = e.URLConfig;
                    return null !== t.wasmUASTCToASTC && (KTX2DECODER.LiteTranscoder_UASTC_ASTC.WasmModuleURL = t.wasmUASTCToASTC),
                    null !== t.wasmUASTCToBC7 && (KTX2DECODER.LiteTranscoder_UASTC_BC7.WasmModuleURL = t.wasmUASTCToBC7),
                    null !== t.wasmUASTCToRGBA_UNORM && (KTX2DECODER.LiteTranscoder_UASTC_RGBA_UNORM.WasmModuleURL = t.wasmUASTCToRGBA_UNORM),
                    null !== t.wasmUASTCToRGBA_SRGB && (KTX2DECODER.LiteTranscoder_UASTC_RGBA_SRGB.WasmModuleURL = t.wasmUASTCToRGBA_SRGB),
                    null !== t.jsMSCTranscoder && (KTX2DECODER.MSCTranscoder.JSModuleURL = t.jsMSCTranscoder),
                    null !== t.wasmMSCTranscoder && (KTX2DECODER.MSCTranscoder.WasmModuleURL = t.wasmMSCTranscoder),
                    null !== t.wasmZSTDDecoder && (KTX2DECODER.ZSTDDecoder.WasmModuleURL = t.wasmZSTDDecoder),
                    new KTX2DECODER.KTX2Decoder
                }
                )) : (KTX2DECODER.MSCTranscoder.UseFromWorkerThread = !1,
                KTX2DECODER.WASMMemoryManager.LoadBinariesFromCurrentThread = !0,
                e._DecoderModulePromise = Promise.resolve(new KTX2DECODER.KTX2Decoder)))
            }
            ,
            e.prototype.uploadAsync = function(t, i, n) {
                var r = this
                  , o = this._engine.getCaps()
                  , a = {
                    astc: !!o.astc,
                    bptc: !!o.bptc,
                    s3tc: !!o.s3tc,
                    pvrtc: !!o.pvrtc,
                    etc2: !!o.etc2,
                    etc1: !!o.etc1
                };
                if (e._WorkerPoolPromise)
                    return e._WorkerPoolPromise.then((function(e) {
                        return new Promise((function(o, s) {
                            e.push((function(e, l) {
                                var c = function(t) {
                                    e.removeEventListener("error", c),
                                    e.removeEventListener("message", u),
                                    s(t),
                                    l()
                                }
                                  , u = function(t) {
                                    if ("decoded" === t.data.action) {
                                        if (e.removeEventListener("error", c),
                                        e.removeEventListener("message", u),
                                        t.data.success)
                                            try {
                                                r._createTexture(t.data.decodedData, i, n),
                                                o()
                                            } catch (e) {
                                                s({
                                                    message: e
                                                })
                                            }
                                        else
                                            s({
                                                message: t.data.msg
                                            });
                                        l()
                                    }
                                };
                                e.addEventListener("error", c),
                                e.addEventListener("message", u);
                                var h = new Uint8Array(t.byteLength);
                                h.set(new Uint8Array(t.buffer,t.byteOffset,t.byteLength)),
                                e.postMessage({
                                    action: "decode",
                                    data: h,
                                    caps: a,
                                    options: n
                                }, [h.buffer])
                            }
                            ))
                        }
                        ))
                    }
                    ));
                if (e._DecoderModulePromise)
                    return e._DecoderModulePromise.then((function(e) {
                        return new Promise((function(n, a) {
                            e.decode(t, o).then((function(e) {
                                r._createTexture(e, i),
                                n()
                            }
                            )).catch((function(e) {
                                a({
                                    message: e
                                })
                            }
                            ))
                        }
                        ))
                    }
                    ));
                throw new Error("KTX2 decoder module is not available")
            }
            ,
            e.prototype._createTexture = function(e, t, i) {
                if (this._engine._bindTextureDirectly(3553, t),
                i && (i.transcodedFormat = e.transcodedFormat,
                i.isInGammaSpace = e.isInGammaSpace,
                i.hasAlpha = e.hasAlpha,
                i.transcoderName = e.transcoderName),
                32856 === e.transcodedFormat ? (t.type = a.TEXTURETYPE_UNSIGNED_BYTE,
                t.format = a.TEXTUREFORMAT_RGBA) : t.format = e.transcodedFormat,
                t._gammaSpace = e.isInGammaSpace,
                t.generateMipMaps = e.mipmaps.length > 1,
                e.errors)
                    throw new Error("KTX2 container - could not transcode the data. " + e.errors);
                for (var n = 0; n < e.mipmaps.length; ++n) {
                    var r = e.mipmaps[n];
                    if (!r || !r.data)
                        throw new Error("KTX2 container - could not transcode one of the image");
                    32856 === e.transcodedFormat ? (t.width = r.width,
                    t.height = r.height,
                    this._engine._uploadDataToTextureDirectly(t, r.data, 0, n, void 0, !0)) : this._engine._uploadCompressedDataToTextureDirectly(t, e.transcodedFormat, r.width, r.height, r.data, 0, n)
                }
                t._extension = ".ktx2",
                t.width = e.mipmaps[0].width,
                t.height = e.mipmaps[0].height,
                t.isReady = !0,
                this._engine._bindTextureDirectly(3553, null)
            }
            ,
            e.IsValid = function(e) {
                if (e.byteLength >= 12) {
                    var t = new Uint8Array(e.buffer,e.byteOffset,12);
                    if (171 === t[0] && 75 === t[1] && 84 === t[2] && 88 === t[3] && 32 === t[4] && 50 === t[5] && 48 === t[6] && 187 === t[7] && 13 === t[8] && 10 === t[9] && 26 === t[10] && 10 === t[11])
                        return !0
                }
                return !1
            }
            ,
            e.URLConfig = {
                jsDecoderModule: "https://preview.babylonjs.com/babylon.ktx2Decoder.js",
                wasmUASTCToASTC: null,
                wasmUASTCToBC7: null,
                wasmUASTCToRGBA_UNORM: null,
                wasmUASTCToRGBA_SRGB: null,
                jsMSCTranscoder: null,
                wasmMSCTranscoder: null,
                wasmZSTDDecoder: null
            },
            e.DefaultNumWorkers = e.GetDefaultNumWorkers(),
            e
        }();
        function bp() {
            var e;
            onmessage = function(t) {
                if (t.data)
                    switch (t.data.action) {
                    case "init":
                        var i = t.data.urls;
                        importScripts(i.jsDecoderModule),
                        null !== i.wasmUASTCToASTC && (KTX2DECODER.LiteTranscoder_UASTC_ASTC.WasmModuleURL = i.wasmUASTCToASTC),
                        null !== i.wasmUASTCToBC7 && (KTX2DECODER.LiteTranscoder_UASTC_BC7.WasmModuleURL = i.wasmUASTCToBC7),
                        null !== i.wasmUASTCToRGBA_UNORM && (KTX2DECODER.LiteTranscoder_UASTC_RGBA_UNORM.WasmModuleURL = i.wasmUASTCToRGBA_UNORM),
                        null !== i.wasmUASTCToRGBA_SRGB && (KTX2DECODER.LiteTranscoder_UASTC_RGBA_SRGB.WasmModuleURL = i.wasmUASTCToRGBA_SRGB),
                        null !== i.jsMSCTranscoder && (KTX2DECODER.MSCTranscoder.JSModuleURL = i.jsMSCTranscoder),
                        null !== i.wasmMSCTranscoder && (KTX2DECODER.MSCTranscoder.WasmModuleURL = i.wasmMSCTranscoder),
                        null !== i.wasmZSTDDecoder && (KTX2DECODER.ZSTDDecoder.WasmModuleURL = i.wasmZSTDDecoder),
                        e = new KTX2DECODER.KTX2Decoder,
                        postMessage({
                            action: "init"
                        });
                        break;
                    case "decode":
                        e.decode(t.data.data, t.data.caps, t.data.options).then((function(e) {
                            for (var t = [], i = 0; i < e.mipmaps.length; ++i) {
                                var n = e.mipmaps[i];
                                n && n.data && t.push(n.data.buffer)
                            }
                            postMessage({
                                action: "decoded",
                                success: !0,
                                decodedData: e
                            }, t)
                        }
                        )).catch((function(e) {
                            postMessage({
                                action: "decoded",
                                success: !1,
                                msg: e
                            })
                        }
                        ))
                    }
            }
        }
        var Tp = function() {
            function e() {
                this.supportCascades = !1
            }
            return e.prototype.canLoad = function(e, t) {
                return oe(e, ".ktx") || oe(e, ".ktx2") || "image/ktx" === t || "image/ktx2" === t
            }
            ,
            e.prototype.loadCubeData = function(e, t, i, n) {
                if (!Array.isArray(e)) {
                    t._invertVScale = !t.invertY;
                    var r = t.getEngine()
                      , o = new mp(e,6)
                      , a = o.numberOfMipmapLevels > 1 && t.generateMipMaps;
                    r._unpackFlipY(!0),
                    o.uploadLevels(t, t.generateMipMaps),
                    t.width = o.pixelWidth,
                    t.height = o.pixelHeight,
                    r._setCubeMapTextureParams(t, a, o.numberOfMipmapLevels - 1),
                    t.isReady = !0,
                    t.onLoadedObservable.notifyObservers(t),
                    t.onLoadedObservable.clear(),
                    n && n()
                }
            }
            ,
            e.prototype.loadData = function(e, t, i, n) {
                if (mp.IsValid(e)) {
                    t._invertVScale = !t.invertY;
                    var r = new mp(e,1);
                    i(r.pixelWidth, r.pixelHeight, t.generateMipMaps, !0, (function() {
                        r.uploadLevels(t, t.generateMipMaps)
                    }
                    ), r.isInvalid)
                } else
                    yp.IsValid(e) ? new yp(t.getEngine()).uploadAsync(e, t, n).then((function() {
                        i(t.width, t.height, t.generateMipMaps, !0, (function() {}
                        ), !1)
                    }
                    ), (function(e) {
                        K.Warn("Failed to load KTX2 texture data: ".concat(e.message)),
                        i(0, 0, !1, !1, (function() {}
                        ), !0)
                    }
                    )) : (K.Error("texture missing KTX identifier"),
                    i(0, 0, !1, !1, (function() {}
                    ), !0))
            }
            ,
            e
        }();
        vr._TextureLoaders.unshift(new Tp);
        var Ep = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, x.Zero(), i) || this;
                return r._xrSessionManager = n,
                r._firstFrame = !1,
                r._referenceQuaternion = C.Identity(),
                r._referencedPosition = new x,
                r._trackingState = Ls.NOT_TRACKING,
                r.onBeforeCameraTeleport = new h,
                r.onAfterCameraTeleport = new h,
                r.onTrackingStateChanged = new h,
                r.compensateOnFirstFrame = !0,
                r._rotate180 = new C(0,1,0,0),
                r.minZ = .1,
                r.rotationQuaternion = new C,
                r.cameraRigMode = Rr.RIG_MODE_CUSTOM,
                r.updateUpVectorFromRotation = !0,
                r._updateNumberOfRigCameras(1),
                r.freezeProjectionMatrix(),
                r._xrSessionManager.onXRSessionInit.add((function() {
                    r._referencedPosition.copyFromFloats(0, 0, 0),
                    r._referenceQuaternion.copyFromFloats(0, 0, 0, 1),
                    r._firstFrame = r.compensateOnFirstFrame
                }
                )),
                r._xrSessionManager.onXRFrameObservable.add((function() {
                    r._firstFrame && r._updateFromXRSession(),
                    r._updateReferenceSpace(),
                    r._updateFromXRSession()
                }
                ), void 0, !0),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "trackingState", {
                get: function() {
                    return this._trackingState
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._setTrackingState = function(e) {
                this._trackingState !== e && (this._trackingState = e,
                this.onTrackingStateChanged.notifyObservers(e))
            }
            ,
            Object.defineProperty(t.prototype, "realWorldHeight", {
                get: function() {
                    var e = this._xrSessionManager.currentFrame && this._xrSessionManager.currentFrame.getViewerPose(this._xrSessionManager.baseReferenceSpace);
                    return e && e.transform ? e.transform.position.y : 0
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._updateForDualEyeDebugging = function() {
                this._updateNumberOfRigCameras(2),
                this.rigCameras[0].viewport = new xr(0,0,.5,1),
                this.rigCameras[0].outputRenderTarget = null,
                this.rigCameras[1].viewport = new xr(.5,0,.5,1),
                this.rigCameras[1].outputRenderTarget = null
            }
            ,
            t.prototype.setTransformationFromNonVRCamera = function(e, t) {
                void 0 === e && (e = this.getScene().activeCamera),
                void 0 === t && (t = !0),
                e && e !== this && (e.computeWorldMatrix().decompose(void 0, this.rotationQuaternion, this.position),
                this.position.y = 0,
                C.FromEulerAnglesToRef(0, this.rotationQuaternion.toEulerAngles().y, 0, this.rotationQuaternion),
                this._firstFrame = !0,
                t && this._xrSessionManager.resetReferenceSpace())
            }
            ,
            t.prototype.getClassName = function() {
                return "WebXRCamera"
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._lastXRViewerPose = void 0
            }
            ,
            t.prototype._updateFromXRSession = function() {
                var e = this
                  , t = this._xrSessionManager.currentFrame && this._xrSessionManager.currentFrame.getViewerPose(this._xrSessionManager.referenceSpace);
                if (this._lastXRViewerPose = t || void 0,
                t) {
                    var i = t.emulatedPosition ? Ls.TRACKING_LOST : Ls.TRACKING;
                    if (this._setTrackingState(i),
                    t.transform) {
                        var n = t.transform.orientation;
                        if (void 0 === t.transform.orientation.x)
                            return;
                        var r = t.transform.position;
                        this._referencedPosition.set(r.x, r.y, r.z),
                        this._referenceQuaternion.set(n.x, n.y, n.z, n.w),
                        this._scene.useRightHandedSystem || (this._referencedPosition.z *= -1,
                        this._referenceQuaternion.z *= -1,
                        this._referenceQuaternion.w *= -1),
                        this._firstFrame ? (this._firstFrame = !1,
                        this.position.y += this._referencedPosition.y,
                        this._referenceQuaternion.copyFromFloats(0, 0, 0, 1)) : (this.rotationQuaternion.copyFrom(this._referenceQuaternion),
                        this.position.copyFrom(this._referencedPosition))
                    }
                    this.rigCameras.length !== t.views.length && this._updateNumberOfRigCameras(t.views.length),
                    t.views.forEach((function(t, i) {
                        var n, r = e.rigCameras[i];
                        r.isLeftCamera || r.isRightCamera || ("right" === t.eye ? r._isRightCamera = !0 : "left" === t.eye && (r._isLeftCamera = !0));
                        var o = t.transform.position
                          , a = t.transform.orientation;
                        r.parent = e.parent,
                        r.position.set(o.x, o.y, o.z),
                        r.rotationQuaternion.set(a.x, a.y, a.z, a.w),
                        e._scene.useRightHandedSystem ? r.rotationQuaternion.multiplyInPlace(e._rotate180) : (r.position.z *= -1,
                        r.rotationQuaternion.z *= -1,
                        r.rotationQuaternion.w *= -1),
                        P.FromFloat32ArrayToRefScaled(t.projectionMatrix, 0, 1, r._projectionMatrix),
                        e._scene.useRightHandedSystem || r._projectionMatrix.toggleProjectionMatrixHandInPlace(),
                        0 === i && e._projectionMatrix.copyFrom(r._projectionMatrix);
                        var s = e._xrSessionManager.getRenderTargetTextureForView(t);
                        e._renderingMultiview = (null === (n = null == s ? void 0 : s._texture) || void 0 === n ? void 0 : n.isMultiview) || !1,
                        e._renderingMultiview ? 0 == i && (e._xrSessionManager.trySetViewportForView(e.viewport, t),
                        e.outputRenderTarget = s) : (e._xrSessionManager.trySetViewportForView(r.viewport, t),
                        r.outputRenderTarget = s || e._xrSessionManager.getRenderTargetTextureForView(t))
                    }
                    ))
                } else
                    this._setTrackingState(Ls.NOT_TRACKING)
            }
            ,
            t.prototype._updateNumberOfRigCameras = function(e) {
                for (void 0 === e && (e = 1); this.rigCameras.length < e; ) {
                    var t = new da("XR-RigCamera: " + this.rigCameras.length,x.Zero(),this.getScene());
                    t.minZ = .1,
                    t.rotationQuaternion = new C,
                    t.updateUpVectorFromRotation = !0,
                    t.isRigCamera = !0,
                    t.rigParent = this,
                    t.freezeProjectionMatrix(),
                    this.rigCameras.push(t)
                }
                for (; this.rigCameras.length > e; ) {
                    var i = this.rigCameras.pop();
                    i && i.dispose()
                }
            }
            ,
            t.prototype._updateReferenceSpace = function() {
                if (!this.position.equals(this._referencedPosition) || !this.rotationQuaternion.equals(this._referenceQuaternion)) {
                    var e = I.Matrix[0]
                      , i = I.Matrix[1]
                      , n = I.Matrix[2];
                    P.ComposeToRef(t._ScaleReadOnly, this._referenceQuaternion, this._referencedPosition, e),
                    P.ComposeToRef(t._ScaleReadOnly, this.rotationQuaternion, this.position, i),
                    e.invert().multiplyToRef(i, n),
                    n.invert(),
                    this._scene.useRightHandedSystem || n.toggleModelMatrixHandInPlace(),
                    n.decompose(void 0, this._referenceQuaternion, this._referencedPosition);
                    var r = new XRRigidTransform({
                        x: this._referencedPosition.x,
                        y: this._referencedPosition.y,
                        z: this._referencedPosition.z
                    },{
                        x: this._referenceQuaternion.x,
                        y: this._referenceQuaternion.y,
                        z: this._referenceQuaternion.z,
                        w: this._referenceQuaternion.w
                    });
                    this._xrSessionManager.referenceSpace = this._xrSessionManager.referenceSpace.getOffsetReferenceSpace(r)
                }
            }
            ,
            t._ScaleReadOnly = x.One(),
            t
        }(pa)
          , Sp = function() {
            function e(e) {
                var t = this;
                this._scene = e,
                this._nonVRCamera = null,
                this._attachedToElement = !1,
                this._spectatorCamera = null,
                this._originalSceneAutoClear = !0,
                this._supported = !1,
                this._spectatorMode = !1,
                this.onInitialXRPoseSetObservable = new h,
                this.onStateChangedObservable = new h,
                this.state = Ns.NOT_IN_XR,
                this.sessionManager = new Xs(e),
                this.camera = new Ep("webxr",e,this.sessionManager),
                this.featuresManager = new Oo(this.sessionManager),
                e.onDisposeObservable.addOnce((function() {
                    t.dispose()
                }
                ))
            }
            return e.CreateAsync = function(t) {
                var i = new e(t);
                return i.sessionManager.initializeAsync().then((function() {
                    return i._supported = !0,
                    i
                }
                )).catch((function(e) {
                    throw i._setState(Ns.NOT_IN_XR),
                    i.dispose(),
                    e
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                var e;
                this.exitXRAsync(),
                this.camera.dispose(),
                this.onStateChangedObservable.clear(),
                this.onInitialXRPoseSetObservable.clear(),
                this.sessionManager.dispose(),
                null === (e = this._spectatorCamera) || void 0 === e || e.dispose(),
                this._nonVRCamera && (this._scene.activeCamera = this._nonVRCamera)
            }
            ,
            e.prototype.enterXRAsync = function(e, t, i, n) {
                var r, o;
                return void 0 === i && (i = this.sessionManager.getWebXRRenderTarget()),
                void 0 === n && (n = {}),
                G(this, void 0, void 0, (function() {
                    var a, s, l, c = this;
                    return z(this, (function(u) {
                        switch (u.label) {
                        case 0:
                            if (!this._supported)
                                throw "WebXR not supported in this browser or environment";
                            return this._setState(Ns.ENTERING_XR),
                            "viewer" !== t && "local" !== t && (n.optionalFeatures = n.optionalFeatures || [],
                            n.optionalFeatures.push(t)),
                            [4, this.featuresManager._extendXRSessionInitObject(n)];
                        case 1:
                            n = u.sent(),
                            "immersive-ar" === e && "unbounded" !== t && K.Warn("We recommend using 'unbounded' reference space type when using 'immersive-ar' session mode"),
                            u.label = 2;
                        case 2:
                            return u.trys.push([2, 6, , 7]),
                            [4, this.sessionManager.initializeSessionAsync(e, n)];
                        case 3:
                            return u.sent(),
                            [4, this.sessionManager.setReferenceSpaceTypeAsync(t)];
                        case 4:
                            return u.sent(),
                            [4, i.initializeXRLayerAsync(this.sessionManager.session)];
                        case 5:
                            return a = u.sent(),
                            s = {
                                depthFar: this.camera.maxZ,
                                depthNear: this.camera.minZ
                            },
                            this.featuresManager.getEnabledFeature(Io.LAYERS) || (s.baseLayer = a),
                            this.sessionManager.updateRenderState(s),
                            this.sessionManager.runXRRenderLoop(),
                            this._originalSceneAutoClear = this._scene.autoClear,
                            this._nonVRCamera = this._scene.activeCamera,
                            this._attachedToElement = !!(null === (r = this._nonVRCamera) || void 0 === r ? void 0 : r.inputs.attachedToElement),
                            null === (o = this._nonVRCamera) || void 0 === o || o.detachControl(),
                            this._scene.activeCamera = this.camera,
                            "immersive-ar" !== e ? this._nonXRToXRCamera() : (this._scene.autoClear = !1,
                            this.camera.compensateOnFirstFrame = !1,
                            this.camera.position.set(0, 0, 0),
                            this.camera.rotationQuaternion.set(0, 0, 0, 1)),
                            this.sessionManager.onXRSessionEnded.addOnce((function() {
                                c.state !== Ns.EXITING_XR && c._setState(Ns.EXITING_XR),
                                c.camera.rigCameras.forEach((function(e) {
                                    e.outputRenderTarget = null
                                }
                                )),
                                c._scene.autoClear = c._originalSceneAutoClear,
                                c._scene.activeCamera = c._nonVRCamera,
                                c._attachedToElement && c._nonVRCamera && c._nonVRCamera.attachControl(!!c._nonVRCamera.inputs.noPreventDefault),
                                "immersive-ar" !== e && c.camera.compensateOnFirstFrame && (c._nonVRCamera.setPosition ? c._nonVRCamera.setPosition(c.camera.position) : c._nonVRCamera.position.copyFrom(c.camera.position)),
                                c._setState(Ns.NOT_IN_XR)
                            }
                            )),
                            this.sessionManager.onXRFrameObservable.addOnce((function() {
                                c._setState(Ns.IN_XR)
                            }
                            )),
                            [2, this.sessionManager];
                        case 6:
                            throw l = u.sent(),
                            console.log(l),
                            console.log(l.message),
                            this._setState(Ns.NOT_IN_XR),
                            l;
                        case 7:
                            return [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.exitXRAsync = function() {
                return this.state !== Ns.IN_XR ? Promise.resolve() : (this._setState(Ns.EXITING_XR),
                this.sessionManager.exitXRAsync())
            }
            ,
            e.prototype.enableSpectatorMode = function() {
                var e = this;
                if (!this._spectatorMode) {
                    var t = function() {
                        e._spectatorCamera && (e._spectatorCamera.position.copyFrom(e.camera.rigCameras[0].globalPosition),
                        e._spectatorCamera.rotationQuaternion.copyFrom(e.camera.rigCameras[0].absoluteRotation))
                    }
                      , i = function() {
                        e.state === Ns.IN_XR ? (e._spectatorCamera = new Na("webxr-spectator",x.Zero(),e._scene),
                        e._spectatorCamera.rotationQuaternion = new C,
                        e._scene.activeCameras = [e.camera, e._spectatorCamera],
                        e.sessionManager.onXRFrameObservable.add(t),
                        e._scene.onAfterRenderCameraObservable.add((function(t) {
                            t === e.camera && (e._scene.getEngine().framebufferDimensionsObject = null)
                        }
                        ))) : e.state === Ns.EXITING_XR && (e.sessionManager.onXRFrameObservable.removeCallback(t),
                        e._scene.activeCameras = null)
                    };
                    this._spectatorMode = !0,
                    this.onStateChangedObservable.add(i),
                    i()
                }
            }
            ,
            e.prototype._nonXRToXRCamera = function() {
                this.camera.setTransformationFromNonVRCamera(this._nonVRCamera),
                this.onInitialXRPoseSetObservable.notifyObservers(this.camera)
            }
            ,
            e.prototype._setState = function(e) {
                this.state !== e && (this.state = e,
                this.onStateChangedObservable.notifyObservers(this.state))
            }
            ,
            e
        }()
          , Ap = function() {
            function e(e, t, i, n) {
                void 0 === i && (i = -1),
                void 0 === n && (n = []),
                this.id = e,
                this.type = t,
                this._buttonIndex = i,
                this._axesIndices = n,
                this._axes = {
                    x: 0,
                    y: 0
                },
                this._changes = {},
                this._currentValue = 0,
                this._hasChanges = !1,
                this._pressed = !1,
                this._touched = !1,
                this.onAxisValueChangedObservable = new h,
                this.onButtonStateChangedObservable = new h
            }
            return Object.defineProperty(e.prototype, "axes", {
                get: function() {
                    return this._axes
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "changes", {
                get: function() {
                    return this._changes
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasChanges", {
                get: function() {
                    return this._hasChanges
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "pressed", {
                get: function() {
                    return this._pressed
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "touched", {
                get: function() {
                    return this._touched
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "value", {
                get: function() {
                    return this._currentValue
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this.onAxisValueChangedObservable.clear(),
                this.onButtonStateChangedObservable.clear()
            }
            ,
            e.prototype.isAxes = function() {
                return 0 !== this._axesIndices.length
            }
            ,
            e.prototype.isButton = function() {
                return -1 !== this._buttonIndex
            }
            ,
            e.prototype.update = function(e) {
                var t = !1
                  , i = !1;
                if (this._hasChanges = !1,
                this._changes = {},
                this.isButton()) {
                    var n = e.buttons[this._buttonIndex];
                    if (!n)
                        return;
                    this._currentValue !== n.value && (this.changes.value = {
                        current: n.value,
                        previous: this._currentValue
                    },
                    t = !0,
                    this._currentValue = n.value),
                    this._touched !== n.touched && (this.changes.touched = {
                        current: n.touched,
                        previous: this._touched
                    },
                    t = !0,
                    this._touched = n.touched),
                    this._pressed !== n.pressed && (this.changes.pressed = {
                        current: n.pressed,
                        previous: this._pressed
                    },
                    t = !0,
                    this._pressed = n.pressed)
                }
                this.isAxes() && (this._axes.x !== e.axes[this._axesIndices[0]] && (this.changes.axes = {
                    current: {
                        x: e.axes[this._axesIndices[0]],
                        y: this._axes.y
                    },
                    previous: {
                        x: this._axes.x,
                        y: this._axes.y
                    }
                },
                this._axes.x = e.axes[this._axesIndices[0]],
                i = !0),
                this._axes.y !== e.axes[this._axesIndices[1]] && (this.changes.axes ? this.changes.axes.current.y = e.axes[this._axesIndices[1]] : this.changes.axes = {
                    current: {
                        x: this._axes.x,
                        y: e.axes[this._axesIndices[1]]
                    },
                    previous: {
                        x: this._axes.x,
                        y: this._axes.y
                    }
                },
                this._axes.y = e.axes[this._axesIndices[1]],
                i = !0)),
                t && (this._hasChanges = !0,
                this.onButtonStateChangedObservable.notifyObservers(this)),
                i && (this._hasChanges = !0,
                this.onAxisValueChangedObservable.notifyObservers(this._axes))
            }
            ,
            e.BUTTON_TYPE = "button",
            e.SQUEEZE_TYPE = "squeeze",
            e.THUMBSTICK_TYPE = "thumbstick",
            e.TOUCHPAD_TYPE = "touchpad",
            e.TRIGGER_TYPE = "trigger",
            e
        }()
          , xp = function() {
            function e(e, t, i, n, r, o) {
                void 0 === r && (r = !1);
                var a = this;
                this.scene = e,
                this.layout = t,
                this.gamepadObject = i,
                this.handedness = n,
                this._doNotLoadControllerMesh = r,
                this._controllerCache = o,
                this._initComponent = function(e) {
                    if (e) {
                        var t = a.layout.components[e]
                          , i = t.type
                          , n = t.gamepadIndices.button
                          , r = [];
                        void 0 !== t.gamepadIndices.xAxis && void 0 !== t.gamepadIndices.yAxis && r.push(t.gamepadIndices.xAxis, t.gamepadIndices.yAxis),
                        a.components[e] = new Ap(e,i,n,r)
                    }
                }
                ,
                this._modelReady = !1,
                this.components = {},
                this.disableAnimation = !1,
                this.onModelLoadedObservable = new h,
                t.components && Object.keys(t.components).forEach(this._initComponent)
            }
            return e.prototype.dispose = function() {
                var e = this;
                this.getComponentIds().forEach((function(t) {
                    return e.getComponent(t).dispose()
                }
                )),
                this.rootMesh && (this.rootMesh.getChildren(void 0, !0).forEach((function(e) {
                    e.setEnabled(!1)
                }
                )),
                this.rootMesh.dispose(!!this._controllerCache, !this._controllerCache))
            }
            ,
            e.prototype.getAllComponentsOfType = function(e) {
                var t = this;
                return this.getComponentIds().map((function(e) {
                    return t.components[e]
                }
                )).filter((function(t) {
                    return t.type === e
                }
                ))
            }
            ,
            e.prototype.getComponent = function(e) {
                return this.components[e]
            }
            ,
            e.prototype.getComponentIds = function() {
                return Object.keys(this.components)
            }
            ,
            e.prototype.getComponentOfType = function(e) {
                return this.getAllComponentsOfType(e)[0] || null
            }
            ,
            e.prototype.getMainComponent = function() {
                return this.getComponent(this.layout.selectComponentId)
            }
            ,
            e.prototype.loadModel = function() {
                return G(this, void 0, void 0, (function() {
                    var e, t, i = this;
                    return z(this, (function(n) {
                        return e = !this._getModelLoadingConstraints(),
                        t = this._getGenericFilenameAndPath(),
                        e ? K.Warn("Falling back to generic models") : t = this._getFilenameAndPath(),
                        [2, new Promise((function(n, r) {
                            var o = function(t) {
                                e ? i._getGenericParentMesh(t) : i._setRootMesh(t),
                                i._processLoadedModel(t),
                                i._modelReady = !0,
                                i.onModelLoadedObservable.notifyObservers(i),
                                n(!0)
                            };
                            if (i._controllerCache) {
                                var a = i._controllerCache.filter((function(e) {
                                    return e.filename === t.filename && e.path === t.path
                                }
                                ));
                                if (a[0])
                                    return a[0].meshes.forEach((function(e) {
                                        return e.setEnabled(!0)
                                    }
                                    )),
                                    void o(a[0].meshes)
                            }
                            od.ImportMesh("", t.path, t.filename, i.scene, (function(e) {
                                i._controllerCache && i._controllerCache.push(V(V({}, t), {
                                    meshes: e
                                })),
                                o(e)
                            }
                            ), null, (function(e, n) {
                                K.Log(n),
                                K.Warn("Failed to retrieve controller model of type ".concat(i.profileId, " from the remote server: ").concat(t.path).concat(t.filename)),
                                r(n)
                            }
                            ))
                        }
                        ))]
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.updateFromXRFrame = function(e) {
                var t = this;
                this.getComponentIds().forEach((function(e) {
                    return t.getComponent(e).update(t.gamepadObject)
                }
                )),
                this.updateModel(e)
            }
            ,
            Object.defineProperty(e.prototype, "handness", {
                get: function() {
                    return this.handedness
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.pulse = function(e, t, i) {
                return void 0 === i && (i = 0),
                this.gamepadObject.hapticActuators && this.gamepadObject.hapticActuators[i] ? this.gamepadObject.hapticActuators[i].pulse(e, t) : Promise.resolve(!1)
            }
            ,
            e.prototype._getChildByName = function(e, t) {
                return e.getChildren((function(e) {
                    return e.name === t
                }
                ), !1)[0]
            }
            ,
            e.prototype._getImmediateChildByName = function(e, t) {
                return e.getChildren((function(e) {
                    return e.name == t
                }
                ), !0)[0]
            }
            ,
            e.prototype._lerpTransform = function(e, t, i) {
                if (e.minMesh && e.maxMesh && e.valueMesh && e.minMesh.rotationQuaternion && e.maxMesh.rotationQuaternion && e.valueMesh.rotationQuaternion) {
                    var n = i ? .5 * t + .5 : t;
                    C.SlerpToRef(e.minMesh.rotationQuaternion, e.maxMesh.rotationQuaternion, n, e.valueMesh.rotationQuaternion),
                    x.LerpToRef(e.minMesh.position, e.maxMesh.position, n, e.valueMesh.position)
                }
            }
            ,
            e.prototype.updateModel = function(e) {
                this._modelReady && this._updateModel(e)
            }
            ,
            e.prototype._getGenericFilenameAndPath = function() {
                return {
                    filename: "generic.babylon",
                    path: "https://controllers.babylonjs.com/generic/"
                }
            }
            ,
            e.prototype._getGenericParentMesh = function(e) {
                var t = this;
                this.rootMesh = new Vr(this.profileId + " " + this.handedness,this.scene),
                e.forEach((function(e) {
                    e.parent || (e.isPickable = !1,
                    e.setParent(t.rootMesh))
                }
                )),
                this.rootMesh.rotationQuaternion = C.FromEulerAngles(0, Math.PI, 0)
            }
            ,
            e
        }()
          , Rp = function(e) {
            function t(i, n, r) {
                var o = e.call(this, i, Cp[r], n, r) || this;
                return o.profileId = t.ProfileId,
                o
            }
            return U(t, e),
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: "generic.babylon",
                    path: "https://controllers.babylonjs.com/generic/"
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                return !0
            }
            ,
            t.prototype._processLoadedModel = function(e) {}
            ,
            t.prototype._setRootMesh = function(e) {
                var t = this;
                this.rootMesh = new Vr(this.profileId + " " + this.handedness,this.scene),
                e.forEach((function(e) {
                    e.isPickable = !1,
                    e.parent || e.setParent(t.rootMesh)
                }
                )),
                this.rootMesh.rotationQuaternion = C.FromEulerAngles(0, Math.PI, 0)
            }
            ,
            t.prototype._updateModel = function() {}
            ,
            t.ProfileId = "generic-trigger",
            t
        }(xp)
          , Cp = {
            left: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-trigger-left",
                assetPath: "left.glb"
            },
            right: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-trigger-right",
                assetPath: "right.glb"
            },
            none: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-trigger-none",
                assetPath: "none.glb"
            }
        }
          , Pp = function(e) {
            function t(t, i, n, r, o) {
                var a = e.call(this, t, n.layouts[i.handedness || "none"], i.gamepad, i.handedness, void 0, o) || this;
                return a._repositoryUrl = r,
                a.controllerCache = o,
                a._buttonMeshMapping = {},
                a._touchDots = {},
                a.profileId = n.profileId,
                a
            }
            return U(t, e),
            t.prototype.dispose = function() {
                var t = this;
                e.prototype.dispose.call(this),
                this.controllerCache || Object.keys(this._touchDots).forEach((function(e) {
                    t._touchDots[e].dispose()
                }
                ))
            }
            ,
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: this.layout.assetPath,
                    path: "".concat(this._repositoryUrl, "/profiles/").concat(this.profileId, "/")
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                var e = od.IsPluginForExtensionAvailable(".glb");
                return e || K.Warn("glTF / glb loader was not registered, using generic controller instead"),
                e
            }
            ,
            t.prototype._processLoadedModel = function(e) {
                var t = this;
                this.getComponentIds().forEach((function(e) {
                    var i = t.layout.components[e];
                    t._buttonMeshMapping[e] = {
                        mainMesh: t._getChildByName(t.rootMesh, i.rootNodeName),
                        states: {}
                    },
                    Object.keys(i.visualResponses).forEach((function(n) {
                        var r = i.visualResponses[n];
                        if ("transform" === r.valueNodeProperty)
                            t._buttonMeshMapping[e].states[n] = {
                                valueMesh: t._getChildByName(t.rootMesh, r.valueNodeName),
                                minMesh: t._getChildByName(t.rootMesh, r.minNodeName),
                                maxMesh: t._getChildByName(t.rootMesh, r.maxNodeName)
                            };
                        else {
                            var o = i.type === Ap.TOUCHPAD_TYPE && i.touchPointNodeName ? i.touchPointNodeName : r.valueNodeName;
                            if (t._buttonMeshMapping[e].states[n] = {
                                valueMesh: t._getChildByName(t.rootMesh, o)
                            },
                            i.type === Ap.TOUCHPAD_TYPE && !t._touchDots[n]) {
                                var a = Dl(n + "dot", {
                                    diameter: .0015,
                                    segments: 8
                                }, t.scene);
                                a.material = new Os(n + "mat",t.scene),
                                a.material.diffuseColor = D.Red(),
                                a.parent = t._buttonMeshMapping[e].states[n].valueMesh || null,
                                a.isVisible = !1,
                                t._touchDots[n] = a
                            }
                        }
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype._setRootMesh = function(e) {
                var t;
                this.rootMesh = new Vr(this.profileId + "-" + this.handedness,this.scene),
                this.rootMesh.isPickable = !1;
                for (var i = 0; i < e.length; i++) {
                    var n = e[i];
                    n.isPickable = !1,
                    n.parent || (t = n)
                }
                t && t.setParent(this.rootMesh),
                this.scene.useRightHandedSystem || this.rootMesh.rotate(vn.Y, Math.PI, Ji.WORLD)
            }
            ,
            t.prototype._updateModel = function(e) {
                var t = this;
                this.disableAnimation || this.getComponentIds().forEach((function(e) {
                    var i = t.getComponent(e);
                    if (i.hasChanges) {
                        var n = t._buttonMeshMapping[e]
                          , r = t.layout.components[e];
                        Object.keys(r.visualResponses).forEach((function(e) {
                            var o = r.visualResponses[e]
                              , a = i.value;
                            if ("xAxis" === o.componentProperty ? a = i.axes.x : "yAxis" === o.componentProperty && (a = i.axes.y),
                            "transform" === o.valueNodeProperty)
                                t._lerpTransform(n.states[e], a, "button" !== o.componentProperty);
                            else {
                                var s = n.states[e].valueMesh;
                                s && (s.isVisible = i.touched || i.pressed),
                                t._touchDots[e] && (t._touchDots[e].isVisible = i.touched || i.pressed)
                            }
                        }
                        ))
                    }
                }
                ))
            }
            ,
            t
        }(xp)
          , Mp = []
          , Ip = function() {
            function e() {}
            return e.ClearProfilesCache = function() {
                this._ProfilesList = null,
                this._ProfileLoadingPromises = {}
            }
            ,
            e.DefaultFallbacks = function() {
                this.RegisterFallbacksForProfileId("google-daydream", ["generic-touchpad"]),
                this.RegisterFallbacksForProfileId("htc-vive-focus", ["generic-trigger-touchpad"]),
                this.RegisterFallbacksForProfileId("htc-vive", ["generic-trigger-squeeze-touchpad"]),
                this.RegisterFallbacksForProfileId("magicleap-one", ["generic-trigger-squeeze-touchpad"]),
                this.RegisterFallbacksForProfileId("windows-mixed-reality", ["generic-trigger-squeeze-touchpad-thumbstick"]),
                this.RegisterFallbacksForProfileId("microsoft-mixed-reality", ["windows-mixed-reality", "generic-trigger-squeeze-touchpad-thumbstick"]),
                this.RegisterFallbacksForProfileId("oculus-go", ["generic-trigger-touchpad"]),
                this.RegisterFallbacksForProfileId("oculus-touch-v2", ["oculus-touch", "generic-trigger-squeeze-thumbstick"]),
                this.RegisterFallbacksForProfileId("oculus-touch", ["generic-trigger-squeeze-thumbstick"]),
                this.RegisterFallbacksForProfileId("samsung-gearvr", ["windows-mixed-reality", "generic-trigger-squeeze-touchpad-thumbstick"]),
                this.RegisterFallbacksForProfileId("samsung-odyssey", ["generic-touchpad"]),
                this.RegisterFallbacksForProfileId("valve-index", ["generic-trigger-squeeze-touchpad-thumbstick"]),
                this.RegisterFallbacksForProfileId("generic-hand-select", ["generic-trigger"])
            }
            ,
            e.FindFallbackWithProfileId = function(e) {
                var t = this._Fallbacks[e] || [];
                return t.unshift(e),
                t
            }
            ,
            e.GetMotionControllerWithXRInput = function(e, t, i) {
                var n = this
                  , r = [];
                i && r.push(i),
                r.push.apply(r, e.profiles || []),
                r.length && !r[0] && r.pop(),
                e.gamepad && e.gamepad.id && e.gamepad.id === (e.gamepad.id.match(/oculus touch/gi) ? e.gamepad.id : void 0) && r.push("oculus-touch-v2");
                var o = r.indexOf("windows-mixed-reality");
                if (-1 !== o && r.splice(o, 0, "microsoft-mixed-reality"),
                r.length || r.push("generic-trigger"),
                this.UseOnlineRepository) {
                    var a = this.PrioritizeOnlineRepository ? this._LoadProfileFromRepository : this._LoadProfilesFromAvailableControllers
                      , s = this.PrioritizeOnlineRepository ? this._LoadProfilesFromAvailableControllers : this._LoadProfileFromRepository;
                    return a.call(this, r, e, t).catch((function() {
                        return s.call(n, r, e, t)
                    }
                    ))
                }
                return this._LoadProfilesFromAvailableControllers(r, e, t)
            }
            ,
            e.RegisterController = function(e, t) {
                this._AvailableControllers[e] = t
            }
            ,
            e.RegisterFallbacksForProfileId = function(e, t) {
                var i;
                this._Fallbacks[e] ? (i = this._Fallbacks[e]).push.apply(i, t) : this._Fallbacks[e] = t
            }
            ,
            e.UpdateProfilesList = function() {
                return this._ProfilesList = gi.LoadFileAsync(this.BaseRepositoryUrl + "/profiles/profilesList.json", !1).then((function(e) {
                    return JSON.parse(e.toString())
                }
                )),
                this._ProfilesList
            }
            ,
            e.ClearControllerCache = function() {
                Mp.forEach((function(e) {
                    e.meshes.forEach((function(e) {
                        e.dispose(!1, !0)
                    }
                    ))
                }
                )),
                Mp.length = 0
            }
            ,
            e._LoadProfileFromRepository = function(e, t, i) {
                var n = this;
                return Promise.resolve().then((function() {
                    return n._ProfilesList ? n._ProfilesList : n.UpdateProfilesList()
                }
                )).then((function(t) {
                    for (var i = 0; i < e.length; ++i)
                        if (e[i] && t[e[i]])
                            return e[i];
                    throw new Error("neither controller ".concat(e[0], " nor all fallbacks were found in the repository,"))
                }
                )).then((function(e) {
                    return n._ProfileLoadingPromises[e] || (n._ProfileLoadingPromises[e] = gi.LoadFileAsync("".concat(n.BaseRepositoryUrl, "/profiles/").concat(e, "/profile.json"), !1).then((function(e) {
                        return JSON.parse(e)
                    }
                    ))),
                    n._ProfileLoadingPromises[e]
                }
                )).then((function(e) {
                    return new Pp(i,t,e,n.BaseRepositoryUrl,n.DisableControllerCache ? void 0 : Mp)
                }
                ))
            }
            ,
            e._LoadProfilesFromAvailableControllers = function(e, t, i) {
                for (var n = 0; n < e.length; ++n)
                    if (e[n])
                        for (var r = this.FindFallbackWithProfileId(e[n]), o = 0; o < r.length; ++o) {
                            var a = this._AvailableControllers[r[o]];
                            if (a)
                                return Promise.resolve(a(t, i))
                        }
                throw new Error("no controller requested was found in the available controllers list")
            }
            ,
            e._AvailableControllers = {},
            e._Fallbacks = {},
            e._ProfileLoadingPromises = {},
            e.BaseRepositoryUrl = "https://immersive-web.github.io/webxr-input-profiles/packages/viewer/dist",
            e.PrioritizeOnlineRepository = !0,
            e.UseOnlineRepository = !0,
            e.DisableControllerCache = !0,
            e
        }();
        Ip.RegisterController(Rp.ProfileId, (function(e, t) {
            return new Rp(t,e.gamepad,e.handedness)
        }
        )),
        Ip.DefaultFallbacks();
        var Op, Dp, Np = 0, Lp = function() {
            function e(e, t, i) {
                void 0 === i && (i = {});
                var n = this;
                this._scene = e,
                this.inputSource = t,
                this._options = i,
                this._tmpVector = new x,
                this._disposed = !1,
                this.onDisposeObservable = new h,
                this.onMeshLoadedObservable = new h,
                this.onMotionControllerInitObservable = new h,
                this._uniqueId = "controller-".concat(Np++, "-").concat(t.targetRayMode, "-").concat(t.handedness),
                this.pointer = new Sr("".concat(this._uniqueId, "-pointer"),e),
                this.pointer.rotationQuaternion = new C,
                this.inputSource.gripSpace && (this.grip = new Sr("".concat(this._uniqueId, "-grip"),this._scene),
                this.grip.rotationQuaternion = new C),
                this._tmpVector.set(0, 0, this._scene.useRightHandedSystem ? -1 : 1),
                this.inputSource.gamepad && "tracked-pointer" === this.inputSource.targetRayMode && Ip.GetMotionControllerWithXRInput(t, e, this._options.forceControllerProfile).then((function(e) {
                    n.motionController = e,
                    n.onMotionControllerInitObservable.notifyObservers(e),
                    n._options.doNotLoadControllerMesh || n.motionController._doNotLoadControllerMesh || n.motionController.loadModel().then((function(e) {
                        var t;
                        e && n.motionController && n.motionController.rootMesh && (n._options.renderingGroupId && (n.motionController.rootMesh.renderingGroupId = n._options.renderingGroupId,
                        n.motionController.rootMesh.getChildMeshes(!1).forEach((function(e) {
                            return e.renderingGroupId = n._options.renderingGroupId
                        }
                        ))),
                        n.onMeshLoadedObservable.notifyObservers(n.motionController.rootMesh),
                        n.motionController.rootMesh.parent = n.grip || n.pointer,
                        n.motionController.disableAnimation = !!n._options.disableMotionControllerAnimation),
                        n._disposed && (null === (t = n.motionController) || void 0 === t || t.dispose())
                    }
                    ))
                }
                ), (function() {
                    gi.Warn("Could not find a matching motion controller for the registered input source")
                }
                ))
            }
            return Object.defineProperty(e.prototype, "uniqueId", {
                get: function() {
                    return this._uniqueId
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this.grip && this.grip.dispose(!0),
                this.motionController && this.motionController.dispose(),
                this.pointer.dispose(!0),
                this.onMotionControllerInitObservable.clear(),
                this.onMeshLoadedObservable.clear(),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this._disposed = !0
            }
            ,
            e.prototype.getWorldPointerRayToRef = function(e, t) {
                void 0 === t && (t = !1);
                var i = t && this.grip ? this.grip : this.pointer;
                x.TransformNormalToRef(this._tmpVector, i.getWorldMatrix(), e.direction),
                e.direction.normalize(),
                e.origin.copyFrom(i.absolutePosition),
                e.length = 1e3
            }
            ,
            e.prototype.updateFromXRFrame = function(e, t, i) {
                var n = e.getPose(this.inputSource.targetRaySpace, t);
                if (this._lastXRPose = n,
                n) {
                    var r = n.transform.position;
                    this.pointer.position.set(r.x, r.y, r.z);
                    var o = n.transform.orientation;
                    this.pointer.rotationQuaternion.set(o.x, o.y, o.z, o.w),
                    this._scene.useRightHandedSystem || (this.pointer.position.z *= -1,
                    this.pointer.rotationQuaternion.z *= -1,
                    this.pointer.rotationQuaternion.w *= -1),
                    this.pointer.parent = i.parent
                }
                if (this.inputSource.gripSpace && this.grip) {
                    var a = e.getPose(this.inputSource.gripSpace, t);
                    if (a) {
                        r = a.transform.position;
                        var s = a.transform.orientation;
                        this.grip.position.set(r.x, r.y, r.z),
                        this.grip.rotationQuaternion.set(s.x, s.y, s.z, s.w),
                        this._scene.useRightHandedSystem || (this.grip.position.z *= -1,
                        this.grip.rotationQuaternion.z *= -1,
                        this.grip.rotationQuaternion.w *= -1)
                    }
                    this.grip.parent = i.parent
                }
                this.motionController && this.motionController.updateFromXRFrame(e)
            }
            ,
            e
        }(), Fp = function() {
            function e(e, t, i) {
                void 0 === i && (i = {});
                var n = this;
                if (this.xrSessionManager = e,
                this.xrCamera = t,
                this._options = i,
                this.controllers = [],
                this.onControllerAddedObservable = new h,
                this.onControllerRemovedObservable = new h,
                this._onInputSourcesChange = function(e) {
                    n._addAndRemoveControllers(e.added, e.removed)
                }
                ,
                this._sessionEndedObserver = this.xrSessionManager.onXRSessionEnded.add((function() {
                    n._addAndRemoveControllers([], n.controllers.map((function(e) {
                        return e.inputSource
                    }
                    )))
                }
                )),
                this._sessionInitObserver = this.xrSessionManager.onXRSessionInit.add((function(e) {
                    e.addEventListener("inputsourceschange", n._onInputSourcesChange)
                }
                )),
                this._frameObserver = this.xrSessionManager.onXRFrameObservable.add((function(e) {
                    n.controllers.forEach((function(t) {
                        t.updateFromXRFrame(e, n.xrSessionManager.referenceSpace, n.xrCamera)
                    }
                    ))
                }
                )),
                this._options.customControllersRepositoryURL && (Ip.BaseRepositoryUrl = this._options.customControllersRepositoryURL),
                Ip.UseOnlineRepository = !this._options.disableOnlineControllerRepository,
                Ip.UseOnlineRepository)
                    try {
                        Ip.UpdateProfilesList().catch((function() {
                            Ip.UseOnlineRepository = !1
                        }
                        ))
                    } catch (e) {
                        Ip.UseOnlineRepository = !1
                    }
            }
            return e.prototype._addAndRemoveControllers = function(e, t) {
                for (var i = this, n = this.controllers.map((function(e) {
                    return e.inputSource
                }
                )), r = 0, o = e; r < o.length; r++) {
                    var a = o[r];
                    if (-1 === n.indexOf(a)) {
                        var s = new Lp(this.xrSessionManager.scene,a,V(V({}, this._options.controllerOptions || {}), {
                            forceControllerProfile: this._options.forceInputProfile,
                            doNotLoadControllerMesh: this._options.doNotLoadControllerMeshes,
                            disableMotionControllerAnimation: this._options.disableControllerAnimation
                        }));
                        this.controllers.push(s),
                        this.onControllerAddedObservable.notifyObservers(s)
                    }
                }
                var l = []
                  , c = [];
                this.controllers.forEach((function(e) {
                    -1 === t.indexOf(e.inputSource) ? l.push(e) : c.push(e)
                }
                )),
                this.controllers = l,
                c.forEach((function(e) {
                    i.onControllerRemovedObservable.notifyObservers(e),
                    e.dispose()
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                this.controllers.forEach((function(e) {
                    e.dispose()
                }
                )),
                this.xrSessionManager.onXRFrameObservable.remove(this._frameObserver),
                this.xrSessionManager.onXRSessionInit.remove(this._sessionInitObserver),
                this.xrSessionManager.onXRSessionEnded.remove(this._sessionEndedObserver),
                this.onControllerAddedObservable.clear(),
                this.onControllerRemovedObservable.clear(),
                Ip.ClearControllerCache()
            }
            ,
            e
        }(), wp = function() {
            function e(e) {
                this._xrSessionManager = e,
                this._attached = !1,
                this._removeOnDetach = [],
                this.isDisposed = !1,
                this.disableAutoAttach = !1,
                this.xrNativeFeatureName = ""
            }
            return Object.defineProperty(e.prototype, "attached", {
                get: function() {
                    return this._attached
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.attach = function(e) {
                var t = this;
                if (this.isDisposed)
                    return !1;
                if (e)
                    this.attached && this.detach();
                else if (this.attached)
                    return !1;
                return this._attached = !0,
                this._addNewAttachObserver(this._xrSessionManager.onXRFrameObservable, (function(e) {
                    return t._onXRFrame(e)
                }
                )),
                !0
            }
            ,
            e.prototype.detach = function() {
                return this._attached ? (this._attached = !1,
                this._removeOnDetach.forEach((function(e) {
                    e.observable.remove(e.observer)
                }
                )),
                !0) : (this.disableAutoAttach = !0,
                !1)
            }
            ,
            e.prototype.dispose = function() {
                this.detach(),
                this.isDisposed = !0
            }
            ,
            e.prototype.isCompatible = function() {
                return !0
            }
            ,
            e.prototype._addNewAttachObserver = function(e, t) {
                this._removeOnDetach.push({
                    observable: e,
                    observer: e.add(t)
                })
            }
            ,
            e
        }(), Bp = function(e) {
            function t(i, n) {
                var r = e.call(this, i) || this;
                return r._options = n,
                r._attachController = function(e) {
                    if (!r._controllers[e.uniqueId]) {
                        var i = r._generateNewMeshPair(e.pointer)
                          , n = i.laserPointer
                          , o = i.selectionMesh;
                        switch (r._controllers[e.uniqueId] = {
                            xrController: e,
                            laserPointer: n,
                            selectionMesh: o,
                            meshUnderPointer: null,
                            pick: null,
                            tmpRay: new _o(new x,new x),
                            disabledByNearInteraction: !1,
                            id: t._IdCounter++
                        },
                        r._attachedController ? !r._options.enablePointerSelectionOnAllControllers && r._options.preferredHandedness && e.inputSource.handedness === r._options.preferredHandedness && (r._attachedController = e.uniqueId) : r._options.enablePointerSelectionOnAllControllers || (r._attachedController = e.uniqueId),
                        e.inputSource.targetRayMode) {
                        case "tracked-pointer":
                            return r._attachTrackedPointerRayMode(e);
                        case "gaze":
                            return r._attachGazeMode(e);
                        case "screen":
                            return r._attachScreenRayMode(e)
                        }
                    }
                }
                ,
                r._controllers = {},
                r._tmpVectorForPickCompare = new x,
                r.disablePointerLighting = !0,
                r.disableSelectionMeshLighting = !0,
                r.displayLaserPointer = !0,
                r.displaySelectionMesh = !0,
                r.laserPointerPickedColor = new D(.9,.9,.9),
                r.laserPointerDefaultColor = new D(.7,.7,.7),
                r.selectionMeshDefaultColor = new D(.8,.8,.8),
                r.selectionMeshPickedColor = new D(.3,.3,1),
                r._identityMatrix = P.Identity(),
                r._screenCoordinatesRef = x.Zero(),
                r._viewportRef = new xr(0,0,0,0),
                r._scene = r._xrSessionManager.scene,
                r
            }
            return U(t, e),
            t.prototype.attach = function() {
                var i = this;
                if (!e.prototype.attach.call(this))
                    return !1;
                if (this._options.xrInput.controllers.forEach(this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, (function(e) {
                    i._detachController(e.uniqueId)
                }
                )),
                this._scene.constantlyUpdateMeshUnderPointer = !0,
                this._options.gazeCamera) {
                    var n = this._options.gazeCamera
                      , r = this._generateNewMeshPair(n)
                      , o = r.laserPointer
                      , a = r.selectionMesh;
                    this._controllers.camera = {
                        webXRCamera: n,
                        laserPointer: o,
                        selectionMesh: a,
                        meshUnderPointer: null,
                        pick: null,
                        tmpRay: new _o(new x,new x),
                        disabledByNearInteraction: !1,
                        id: t._IdCounter++
                    },
                    this._attachGazeMode()
                }
                return !0
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._controllers).forEach((function(e) {
                    t._detachController(e)
                }
                )),
                !0)
            }
            ,
            t.prototype.getMeshUnderPointer = function(e) {
                return this._controllers[e] ? this._controllers[e].meshUnderPointer : null
            }
            ,
            t.prototype.getXRControllerByPointerId = function(e) {
                for (var t = Object.keys(this._controllers), i = 0; i < t.length; ++i)
                    if (this._controllers[t[i]].id === e)
                        return this._controllers[t[i]].xrController || null;
                return null
            }
            ,
            t.prototype._getPointerSelectionDisabledByPointerId = function(e) {
                for (var t = Object.keys(this._controllers), i = 0; i < t.length; ++i)
                    if (this._controllers[t[i]].id === e)
                        return this._controllers[t[i]].disabledByNearInteraction;
                return !0
            }
            ,
            t.prototype._setPointerSelectionDisabledByPointerId = function(e, t) {
                for (var i = Object.keys(this._controllers), n = 0; n < i.length; ++n)
                    if (this._controllers[i[n]].id === e)
                        return void (this._controllers[i[n]].disabledByNearInteraction = t)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = this;
                Object.keys(this._controllers).forEach((function(e) {
                    var i, n = t._controllers[e];
                    if (!t._options.enablePointerSelectionOnAllControllers && e !== t._attachedController || n.disabledByNearInteraction)
                        return n.selectionMesh.isVisible = !1,
                        n.laserPointer.isVisible = !1,
                        void (n.pick = null);
                    if (n.laserPointer.isVisible = t.displayLaserPointer,
                    n.xrController)
                        i = n.xrController.pointer.position,
                        n.xrController.getWorldPointerRayToRef(n.tmpRay);
                    else {
                        if (!n.webXRCamera)
                            return;
                        i = n.webXRCamera.position,
                        n.webXRCamera.getForwardRayToRef(n.tmpRay)
                    }
                    if (t._options.maxPointerDistance && (n.tmpRay.length = t._options.maxPointerDistance),
                    !t._options.disableScenePointerVectorUpdate && i) {
                        var r = t._xrSessionManager.scene
                          , o = t._options.xrInput.xrCamera;
                        o && (o.viewport.toGlobalToRef(r.getEngine().getRenderWidth(), r.getEngine().getRenderHeight(), t._viewportRef),
                        x.ProjectToRef(i, t._identityMatrix, r.getTransformMatrix(), t._viewportRef, t._screenCoordinatesRef),
                        "number" != typeof t._screenCoordinatesRef.x || "number" != typeof t._screenCoordinatesRef.y || isNaN(t._screenCoordinatesRef.x) || isNaN(t._screenCoordinatesRef.y) || (r.pointerX = t._screenCoordinatesRef.x,
                        r.pointerY = t._screenCoordinatesRef.y,
                        n.screenCoordinates = {
                            x: t._screenCoordinatesRef.x,
                            y: t._screenCoordinatesRef.y
                        }))
                    }
                    var a = null;
                    t._utilityLayerScene && (a = t._utilityLayerScene.pickWithRay(n.tmpRay, t._utilityLayerScene.pointerMovePredicate || t.raySelectionPredicate));
                    var s = t._scene.pickWithRay(n.tmpRay, t._scene.pointerMovePredicate || t.raySelectionPredicate);
                    a && a.hit ? s && s.hit ? a.distance < s.distance ? n.pick = a : n.pick = s : n.pick = a : n.pick = s,
                    n.pick && n.xrController && (n.pick.aimTransform = n.xrController.pointer,
                    n.pick.gripTransform = n.xrController.grip || null);
                    var l = n.pick;
                    if (l && l.pickedPoint && l.hit) {
                        t._updatePointerDistance(n.laserPointer, l.distance),
                        n.selectionMesh.position.copyFrom(l.pickedPoint),
                        n.selectionMesh.scaling.x = Math.sqrt(l.distance),
                        n.selectionMesh.scaling.y = Math.sqrt(l.distance),
                        n.selectionMesh.scaling.z = Math.sqrt(l.distance);
                        var c = t._convertNormalToDirectionOfRay(l.getNormal(!0), n.tmpRay);
                        if (n.selectionMesh.position.copyFrom(l.pickedPoint),
                        c) {
                            var u = x.Cross(vn.Y, c)
                              , h = x.Cross(c, u);
                            x.RotationFromAxisToRef(h, c, u, n.selectionMesh.rotation),
                            n.selectionMesh.position.addInPlace(c.scale(.001))
                        }
                        n.selectionMesh.isVisible = t.displaySelectionMesh,
                        n.meshUnderPointer = l.pickedMesh
                    } else
                        n.selectionMesh.isVisible = !1,
                        t._updatePointerDistance(n.laserPointer, 1),
                        n.meshUnderPointer = null
                }
                ))
            }
            ,
            Object.defineProperty(t.prototype, "_utilityLayerScene", {
                get: function() {
                    return this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._attachGazeMode = function(e) {
                var t = this
                  , i = this._controllers[e && e.uniqueId || "camera"]
                  , n = this._options.timeToSelect || 3e3
                  , r = this._options.useUtilityLayer ? this._utilityLayerScene : this._scene
                  , o = new Ui
                  , a = qs("selection", {
                    diameter: .0525,
                    thickness: .015,
                    tessellation: 20
                }, r);
                a.isVisible = !1,
                a.isPickable = !1,
                a.parent = i.selectionMesh;
                var s = 0
                  , l = !1
                  , c = {
                    pointerId: i.id,
                    pointerType: "xr"
                };
                i.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add((function() {
                    if (i.pick) {
                        if (t._augmentPointerInit(c, i.id, i.screenCoordinates),
                        i.laserPointer.material.alpha = 0,
                        a.isVisible = !1,
                        i.pick.hit)
                            if (t._pickingMoved(o, i.pick))
                                l && (t._options.disablePointerUpOnTouchOut || t._scene.simulatePointerUp(i.pick, c)),
                                l = !1,
                                s = 0;
                            else if (s > n / 10 && (a.isVisible = !0),
                            (s += t._scene.getEngine().getDeltaTime()) >= n)
                                t._scene.simulatePointerDown(i.pick, c),
                                l = !0,
                                t._options.disablePointerUpOnTouchOut && t._scene.simulatePointerUp(i.pick, c),
                                a.isVisible = !1;
                            else {
                                var e = 1 - s / n;
                                a.scaling.set(e, e, e)
                            }
                        else
                            l = !1,
                            s = 0;
                        t._scene.simulatePointerMove(i.pick, c),
                        o = i.pick
                    }
                }
                )),
                void 0 !== this._options.renderingGroupId && (a.renderingGroupId = this._options.renderingGroupId),
                e && e.onDisposeObservable.addOnce((function() {
                    i.pick && !t._options.disablePointerUpOnTouchOut && l && (t._scene.simulatePointerUp(i.pick, c),
                    i.finalPointerUpTriggered = !0),
                    a.dispose()
                }
                ))
            }
            ,
            t.prototype._attachScreenRayMode = function(e) {
                var t = this
                  , i = this._controllers[e.uniqueId]
                  , n = !1
                  , r = {
                    pointerId: i.id,
                    pointerType: "xr"
                };
                i.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add((function() {
                    t._augmentPointerInit(r, i.id, i.screenCoordinates),
                    !i.pick || t._options.disablePointerUpOnTouchOut && n || (n ? t._scene.simulatePointerMove(i.pick, r) : (t._scene.simulatePointerDown(i.pick, r),
                    i.pointerDownTriggered = !0,
                    n = !0,
                    t._options.disablePointerUpOnTouchOut && t._scene.simulatePointerUp(i.pick, r)))
                }
                )),
                e.onDisposeObservable.addOnce((function() {
                    t._augmentPointerInit(r, i.id, i.screenCoordinates),
                    t._xrSessionManager.runInXRFrame((function() {
                        i.pick && !i.finalPointerUpTriggered && n && !t._options.disablePointerUpOnTouchOut && (t._scene.simulatePointerUp(i.pick, r),
                        i.finalPointerUpTriggered = !0)
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype._attachTrackedPointerRayMode = function(e) {
                var t = this
                  , i = this._controllers[e.uniqueId];
                if (this._options.forceGazeMode)
                    return this._attachGazeMode(e);
                var n = {
                    pointerId: i.id,
                    pointerType: "xr"
                };
                if (i.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add((function() {
                    i.laserPointer.material.disableLighting = t.disablePointerLighting,
                    i.selectionMesh.material.disableLighting = t.disableSelectionMeshLighting,
                    i.pick && (t._augmentPointerInit(n, i.id, i.screenCoordinates),
                    t._scene.simulatePointerMove(i.pick, n))
                }
                )),
                e.inputSource.gamepad) {
                    var r = function(r) {
                        t._options.overrideButtonId && (i.selectionComponent = r.getComponent(t._options.overrideButtonId)),
                        i.selectionComponent || (i.selectionComponent = r.getMainComponent()),
                        i.onButtonChangedObserver = i.selectionComponent.onButtonStateChangedObservable.add((function(r) {
                            if (r.changes.pressed) {
                                var o = r.changes.pressed.current;
                                i.pick ? (t._options.enablePointerSelectionOnAllControllers || e.uniqueId === t._attachedController) && (t._augmentPointerInit(n, i.id, i.screenCoordinates),
                                o ? (t._scene.simulatePointerDown(i.pick, n),
                                i.pointerDownTriggered = !0,
                                i.selectionMesh.material.emissiveColor = t.selectionMeshPickedColor,
                                i.laserPointer.material.emissiveColor = t.laserPointerPickedColor) : (t._scene.simulatePointerUp(i.pick, n),
                                i.selectionMesh.material.emissiveColor = t.selectionMeshDefaultColor,
                                i.laserPointer.material.emissiveColor = t.laserPointerDefaultColor)) : !o || t._options.enablePointerSelectionOnAllControllers || t._options.disableSwitchOnClick || (t._attachedController = e.uniqueId)
                            }
                        }
                        ))
                    };
                    e.motionController ? r(e.motionController) : e.onMotionControllerInitObservable.add(r)
                } else {
                    var o = function(e) {
                        t._augmentPointerInit(n, i.id, i.screenCoordinates),
                        i.xrController && e.inputSource === i.xrController.inputSource && i.pick && (t._scene.simulatePointerDown(i.pick, n),
                        i.pointerDownTriggered = !0,
                        i.selectionMesh.material.emissiveColor = t.selectionMeshPickedColor,
                        i.laserPointer.material.emissiveColor = t.laserPointerPickedColor)
                    }
                      , a = function(e) {
                        t._augmentPointerInit(n, i.id, i.screenCoordinates),
                        i.xrController && e.inputSource === i.xrController.inputSource && i.pick && (t._scene.simulatePointerUp(i.pick, n),
                        i.selectionMesh.material.emissiveColor = t.selectionMeshDefaultColor,
                        i.laserPointer.material.emissiveColor = t.laserPointerDefaultColor)
                    };
                    i.eventListeners = {
                        selectend: a,
                        selectstart: o
                    },
                    this._xrSessionManager.session.addEventListener("selectstart", o),
                    this._xrSessionManager.session.addEventListener("selectend", a)
                }
            }
            ,
            t.prototype._convertNormalToDirectionOfRay = function(e, t) {
                return e && Math.acos(x.Dot(e, t.direction)) < Math.PI / 2 && e.scaleInPlace(-1),
                e
            }
            ,
            t.prototype._detachController = function(e) {
                var t = this
                  , i = this._controllers[e];
                if (i) {
                    if (i.selectionComponent && i.onButtonChangedObserver && i.selectionComponent.onButtonStateChangedObservable.remove(i.onButtonChangedObserver),
                    i.onFrameObserver && this._xrSessionManager.onXRFrameObservable.remove(i.onFrameObserver),
                    i.eventListeners && Object.keys(i.eventListeners).forEach((function(e) {
                        var n = i.eventListeners && i.eventListeners[e];
                        n && t._xrSessionManager.session.removeEventListener(e, n)
                    }
                    )),
                    !i.finalPointerUpTriggered && i.pointerDownTriggered) {
                        var n = {
                            pointerId: i.id,
                            pointerType: "xr"
                        };
                        this._xrSessionManager.runInXRFrame((function() {
                            t._augmentPointerInit(n, i.id, i.screenCoordinates),
                            t._scene.simulatePointerUp(new Ui, n)
                        }
                        ))
                    }
                    this._xrSessionManager.scene.onBeforeRenderObservable.addOnce((function() {
                        try {
                            if (i.selectionMesh.dispose(),
                            i.laserPointer.dispose(),
                            delete t._controllers[e],
                            t._attachedController === e) {
                                var n = Object.keys(t._controllers);
                                n.length ? t._attachedController = n[0] : t._attachedController = ""
                            }
                        } catch (e) {
                            gi.Warn("controller already detached.")
                        }
                    }
                    ))
                }
            }
            ,
            t.prototype._generateNewMeshPair = function(e) {
                var t = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene : this._scene
                  , i = this._options.customLasterPointerMeshGenerator ? this._options.customLasterPointerMeshGenerator() : Ys("laserPointer", {
                    height: 1,
                    diameterTop: 2e-4,
                    diameterBottom: .004,
                    tessellation: 20,
                    subdivisions: 1
                }, t);
                i.parent = e;
                var n = new Os("laserPointerMat",t);
                n.emissiveColor = this.laserPointerDefaultColor,
                n.alpha = .7,
                i.material = n,
                i.rotation.x = Math.PI / 2,
                this._updatePointerDistance(i, 1),
                i.isPickable = !1,
                i.isVisible = !1;
                var r = this._options.customSelectionMeshGenerator ? this._options.customSelectionMeshGenerator() : qs("gazeTracker", {
                    diameter: .0105,
                    thickness: .0075,
                    tessellation: 20
                }, t);
                r.bakeCurrentTransformIntoVertices(),
                r.isPickable = !1,
                r.isVisible = !1;
                var o = new Os("targetMat",t);
                return o.specularColor = D.Black(),
                o.emissiveColor = this.selectionMeshDefaultColor,
                o.backFaceCulling = !1,
                r.material = o,
                void 0 !== this._options.renderingGroupId && (i.renderingGroupId = this._options.renderingGroupId,
                r.renderingGroupId = this._options.renderingGroupId),
                {
                    laserPointer: i,
                    selectionMesh: r
                }
            }
            ,
            t.prototype._pickingMoved = function(e, t) {
                var i;
                if (!e.hit || !t.hit)
                    return !0;
                if (!(e.pickedMesh && e.pickedPoint && t.pickedMesh && t.pickedPoint))
                    return !0;
                if (e.pickedMesh !== t.pickedMesh)
                    return !0;
                null === (i = e.pickedPoint) || void 0 === i || i.subtractToRef(t.pickedPoint, this._tmpVectorForPickCompare),
                this._tmpVectorForPickCompare.set(Math.abs(this._tmpVectorForPickCompare.x), Math.abs(this._tmpVectorForPickCompare.y), Math.abs(this._tmpVectorForPickCompare.z));
                var n = .01 * (this._options.gazeModePointerMovedFactor || 1) * t.distance;
                return this._tmpVectorForPickCompare.length() > n
            }
            ,
            t.prototype._updatePointerDistance = function(e, t) {
                void 0 === t && (t = 100),
                e.scaling.y = t,
                this._scene.useRightHandedSystem && (t *= -1),
                e.position.z = t / 2 + .05
            }
            ,
            t.prototype._augmentPointerInit = function(e, t, i) {
                e.pointerId = t,
                e.pointerType = "xr",
                i && (e.screenX = i.x,
                e.screenY = i.y)
            }
            ,
            Object.defineProperty(t.prototype, "lasterPointerDefaultColor", {
                get: function() {
                    return this.laserPointerDefaultColor
                },
                enumerable: !1,
                configurable: !0
            }),
            t._IdCounter = 200,
            t.Name = Io.POINTER_SELECTION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(Bp.Name, (function(e, t) {
            return function() {
                return new Bp(e,t)
            }
        }
        ), Bp.Version, !0),
        function(e) {
            e[e.Float = 1] = "Float",
            e[e.Int = 2] = "Int",
            e[e.Vector2 = 4] = "Vector2",
            e[e.Vector3 = 8] = "Vector3",
            e[e.Vector4 = 16] = "Vector4",
            e[e.Color3 = 32] = "Color3",
            e[e.Color4 = 64] = "Color4",
            e[e.Matrix = 128] = "Matrix",
            e[e.Object = 256] = "Object",
            e[e.AutoDetect = 1024] = "AutoDetect",
            e[e.BasedOnInput = 2048] = "BasedOnInput"
        }(Op || (Op = {})),
        function(e) {
            e[e.Vertex = 1] = "Vertex",
            e[e.Fragment = 2] = "Fragment",
            e[e.Neutral = 4] = "Neutral",
            e[e.VertexAndFragment = 3] = "VertexAndFragment"
        }(Dp || (Dp = {}));
        var Up, Vp, kp = function() {
            function e() {
                this.supportUniformBuffers = !1,
                this.attributes = new Array,
                this.uniforms = new Array,
                this.constants = new Array,
                this.samplers = new Array,
                this.functions = {},
                this.extensions = {},
                this.counters = {},
                this._attributeDeclaration = "",
                this._uniformDeclaration = "",
                this._constantDeclaration = "",
                this._samplerDeclaration = "",
                this._varyingTransfer = "",
                this._injectAtEnd = "",
                this._repeatableContentAnchorIndex = 0,
                this._builtCompilationString = "",
                this.compilationString = ""
            }
            return e.prototype.finalize = function(e) {
                var t = e.sharedData.emitComments
                  , i = this.target === Dp.Fragment;
                this.compilationString = "\r\n".concat(t ? "//Entry point\r\n" : "", "void main(void) {\r\n").concat(this.compilationString),
                this._constantDeclaration && (this.compilationString = "\r\n".concat(t ? "//Constants\r\n" : "").concat(this._constantDeclaration, "\r\n").concat(this.compilationString));
                var n = "";
                for (var r in this.functions)
                    n += this.functions[r] + "\r\n";
                for (var o in this.compilationString = "\r\n".concat(n, "\r\n").concat(this.compilationString),
                !i && this._varyingTransfer && (this.compilationString = "".concat(this.compilationString, "\r\n").concat(this._varyingTransfer)),
                this._injectAtEnd && (this.compilationString = "".concat(this.compilationString, "\r\n").concat(this._injectAtEnd)),
                this.compilationString = "".concat(this.compilationString, "\r\n}"),
                this.sharedData.varyingDeclaration && (this.compilationString = "\r\n".concat(t ? "//Varyings\r\n" : "").concat(this.sharedData.varyingDeclaration, "\r\n").concat(this.compilationString)),
                this._samplerDeclaration && (this.compilationString = "\r\n".concat(t ? "//Samplers\r\n" : "").concat(this._samplerDeclaration, "\r\n").concat(this.compilationString)),
                this._uniformDeclaration && (this.compilationString = "\r\n".concat(t ? "//Uniforms\r\n" : "").concat(this._uniformDeclaration, "\r\n").concat(this.compilationString)),
                this._attributeDeclaration && !i && (this.compilationString = "\r\n".concat(t ? "//Attributes\r\n" : "").concat(this._attributeDeclaration, "\r\n").concat(this.compilationString)),
                this.compilationString = "precision highp float;\r\n" + this.compilationString,
                this.extensions) {
                    var a = this.extensions[o];
                    this.compilationString = "\r\n".concat(a, "\r\n").concat(this.compilationString)
                }
                this._builtCompilationString = this.compilationString
            }
            ,
            Object.defineProperty(e.prototype, "_repeatableContentAnchor", {
                get: function() {
                    return "###___ANCHOR".concat(this._repeatableContentAnchorIndex++, "___###")
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._getFreeVariableName = function(e) {
                return e = e.replace(/[^a-zA-Z_]+/g, ""),
                void 0 === this.sharedData.variableNames[e] ? (this.sharedData.variableNames[e] = 0,
                "output" === e || "texture" === e ? e + this.sharedData.variableNames[e] : e) : (this.sharedData.variableNames[e]++,
                e + this.sharedData.variableNames[e])
            }
            ,
            e.prototype._getFreeDefineName = function(e) {
                return void 0 === this.sharedData.defineNames[e] ? this.sharedData.defineNames[e] = 0 : this.sharedData.defineNames[e]++,
                e + this.sharedData.defineNames[e]
            }
            ,
            e.prototype._excludeVariableName = function(e) {
                this.sharedData.variableNames[e] = 0
            }
            ,
            e.prototype._emit2DSampler = function(e) {
                this.samplers.indexOf(e) < 0 && (this._samplerDeclaration += "uniform sampler2D ".concat(e, ";\r\n"),
                this.samplers.push(e))
            }
            ,
            e.prototype._getGLType = function(e) {
                switch (e) {
                case Op.Float:
                    return "float";
                case Op.Int:
                    return "int";
                case Op.Vector2:
                    return "vec2";
                case Op.Color3:
                case Op.Vector3:
                    return "vec3";
                case Op.Color4:
                case Op.Vector4:
                    return "vec4";
                case Op.Matrix:
                    return "mat4"
                }
                return ""
            }
            ,
            e.prototype._emitExtension = function(e, t, i) {
                void 0 === i && (i = ""),
                this.extensions[e] || (i && (t = "#if ".concat(i, "\r\n").concat(t, "\r\n#endif")),
                this.extensions[e] = t)
            }
            ,
            e.prototype._emitFunction = function(e, t, i) {
                this.functions[e] || (this.sharedData.emitComments && (t = i + "\r\n" + t),
                this.functions[e] = t)
            }
            ,
            e.prototype._emitCodeFromInclude = function(e, t, i) {
                if (i && i.repeatKey)
                    return "#include<".concat(e, ">[0..").concat(i.repeatKey, "]\r\n");
                var n = Mt.IncludesShadersStore[e] + "\r\n";
                if (this.sharedData.emitComments && (n = t + "\r\n" + n),
                !i)
                    return n;
                if (i.replaceStrings)
                    for (var r = 0; r < i.replaceStrings.length; r++) {
                        var o = i.replaceStrings[r];
                        n = n.replace(o.search, o.replace)
                    }
                return n
            }
            ,
            e.prototype._emitFunctionFromInclude = function(e, t, i, n) {
                void 0 === n && (n = "");
                var r = e + n;
                if (!this.functions[r]) {
                    if (!i || !(i.removeAttributes || i.removeUniforms || i.removeVaryings || i.removeIfDef || i.replaceStrings))
                        return i && i.repeatKey ? this.functions[r] = "#include<".concat(e, ">[0..").concat(i.repeatKey, "]\r\n") : this.functions[r] = "#include<".concat(e, ">\r\n"),
                        void (this.sharedData.emitComments && (this.functions[r] = t + "\r\n" + this.functions[r]));
                    if (this.functions[r] = Mt.IncludesShadersStore[e],
                    this.sharedData.emitComments && (this.functions[r] = t + "\r\n" + this.functions[r]),
                    i.removeIfDef && (this.functions[r] = this.functions[r].replace(/^\s*?#ifdef.+$/gm, ""),
                    this.functions[r] = this.functions[r].replace(/^\s*?#endif.*$/gm, ""),
                    this.functions[r] = this.functions[r].replace(/^\s*?#else.*$/gm, ""),
                    this.functions[r] = this.functions[r].replace(/^\s*?#elif.*$/gm, "")),
                    i.removeAttributes && (this.functions[r] = this.functions[r].replace(/^\s*?attribute.+$/gm, "")),
                    i.removeUniforms && (this.functions[r] = this.functions[r].replace(/^\s*?uniform.+$/gm, "")),
                    i.removeVaryings && (this.functions[r] = this.functions[r].replace(/^\s*?varying.+$/gm, "")),
                    i.replaceStrings)
                        for (var o = 0; o < i.replaceStrings.length; o++) {
                            var a = i.replaceStrings[o];
                            this.functions[r] = this.functions[r].replace(a.search, a.replace)
                        }
                }
            }
            ,
            e.prototype._registerTempVariable = function(e) {
                return -1 === this.sharedData.temps.indexOf(e) && (this.sharedData.temps.push(e),
                !0)
            }
            ,
            e.prototype._emitVaryingFromString = function(e, t, i, n) {
                return void 0 === i && (i = ""),
                void 0 === n && (n = !1),
                -1 === this.sharedData.varyings.indexOf(e) && (this.sharedData.varyings.push(e),
                i && (ae(i, "defined(") ? this.sharedData.varyingDeclaration += "#if ".concat(i, "\r\n") : this.sharedData.varyingDeclaration += "".concat(n ? "#ifndef" : "#ifdef", " ").concat(i, "\r\n")),
                this.sharedData.varyingDeclaration += "varying ".concat(t, " ").concat(e, ";\r\n"),
                i && (this.sharedData.varyingDeclaration += "#endif\r\n"),
                !0)
            }
            ,
            e.prototype._emitUniformFromString = function(e, t, i, n) {
                void 0 === i && (i = ""),
                void 0 === n && (n = !1),
                -1 === this.uniforms.indexOf(e) && (this.uniforms.push(e),
                i && (ae(i, "defined(") ? this._uniformDeclaration += "#if ".concat(i, "\r\n") : this._uniformDeclaration += "".concat(n ? "#ifndef" : "#ifdef", " ").concat(i, "\r\n")),
                this._uniformDeclaration += "uniform ".concat(t, " ").concat(e, ";\r\n"),
                i && (this._uniformDeclaration += "#endif\r\n"))
            }
            ,
            e.prototype._emitFloat = function(e) {
                return e.toString() === e.toFixed(0) ? "".concat(e, ".0") : e.toString()
            }
            ,
            e
        }(), Gp = function() {
            function e() {
                this.temps = new Array,
                this.varyings = new Array,
                this.varyingDeclaration = "",
                this.inputBlocks = new Array,
                this.textureBlocks = new Array,
                this.bindableBlocks = new Array,
                this.forcedBindableBlocks = new Array,
                this.blocksWithFallbacks = new Array,
                this.blocksWithDefines = new Array,
                this.repeatableContentBlocks = new Array,
                this.dynamicUniformBlocks = new Array,
                this.blockingBlocks = new Array,
                this.animatedInputs = new Array,
                this.variableNames = {},
                this.defineNames = {},
                this.hints = {
                    needWorldViewMatrix: !1,
                    needWorldViewProjectionMatrix: !1,
                    needAlphaBlending: !1,
                    needAlphaTesting: !1
                },
                this.checks = {
                    emitVertex: !1,
                    emitFragment: !1,
                    notConnectedNonOptionalInputs: new Array
                },
                this.allowEmptyVertexProgram = !1,
                this.variableNames.position = 0,
                this.variableNames.normal = 0,
                this.variableNames.tangent = 0,
                this.variableNames.uv = 0,
                this.variableNames.uv2 = 0,
                this.variableNames.uv3 = 0,
                this.variableNames.uv4 = 0,
                this.variableNames.uv5 = 0,
                this.variableNames.uv6 = 0,
                this.variableNames.color = 0,
                this.variableNames.matricesIndices = 0,
                this.variableNames.matricesWeights = 0,
                this.variableNames.matricesIndicesExtra = 0,
                this.variableNames.matricesWeightsExtra = 0,
                this.variableNames.diffuseBase = 0,
                this.variableNames.specularBase = 0,
                this.variableNames.worldPos = 0,
                this.variableNames.shadow = 0,
                this.variableNames.view = 0,
                this.variableNames.vTBN = 0,
                this.defineNames.MAINUV0 = 0,
                this.defineNames.MAINUV1 = 0,
                this.defineNames.MAINUV2 = 0,
                this.defineNames.MAINUV3 = 0,
                this.defineNames.MAINUV4 = 0,
                this.defineNames.MAINUV5 = 0,
                this.defineNames.MAINUV6 = 0,
                this.defineNames.MAINUV7 = 0
            }
            return e.prototype.emitErrors = function() {
                var e = "";
                this.checks.emitVertex || this.allowEmptyVertexProgram || (e += "NodeMaterial does not have a vertex output. You need to at least add a block that generates a glPosition value.\r\n"),
                this.checks.emitFragment || (e += "NodeMaterial does not have a fragment output. You need to at least add a block that generates a glFragColor value.\r\n");
                for (var t = 0, i = this.checks.notConnectedNonOptionalInputs; t < i.length; t++) {
                    var n = i[t];
                    e += "input ".concat(n.name, " from block ").concat(n.ownerBlock.name, "[").concat(n.ownerBlock.getClassName(), "] is not connected and is not optional.\r\n")
                }
                if (e)
                    throw "Build of NodeMaterial failed:\r\n" + e
            }
            ,
            e
        }();
        !function(e) {
            e[e.Compatible = 0] = "Compatible",
            e[e.TypeIncompatible = 1] = "TypeIncompatible",
            e[e.TargetIncompatible = 2] = "TargetIncompatible",
            e[e.HierarchyIssue = 3] = "HierarchyIssue"
        }(Up || (Up = {})),
        function(e) {
            e[e.Input = 0] = "Input",
            e[e.Output = 1] = "Output"
        }(Vp || (Vp = {}));
        var zp = function() {
            function e(e, t, i) {
                this._connectedPoint = null,
                this._endpoints = new Array,
                this._typeConnectionSource = null,
                this._defaultConnectionPointType = null,
                this._linkedConnectionSource = null,
                this._acceptedConnectionPointType = null,
                this._type = Op.Float,
                this._enforceAssociatedVariableName = !1,
                this.needDualDirectionValidation = !1,
                this.acceptedConnectionPointTypes = new Array,
                this.excludedConnectionPointTypes = new Array,
                this.onConnectionObservable = new h,
                this.isExposedOnFrame = !1,
                this.exposedPortPosition = -1,
                this._prioritizeVertex = !1,
                this._target = Dp.VertexAndFragment,
                this._ownerBlock = t,
                this.name = e,
                this._direction = i
            }
            return e.AreEquivalentTypes = function(e, t) {
                switch (e) {
                case Op.Vector3:
                    if (t === Op.Color3)
                        return !0;
                    break;
                case Op.Vector4:
                    if (t === Op.Color4)
                        return !0;
                    break;
                case Op.Color3:
                    if (t === Op.Vector3)
                        return !0;
                    break;
                case Op.Color4:
                    if (t === Op.Vector4)
                        return !0
                }
                return !1
            }
            ,
            Object.defineProperty(e.prototype, "direction", {
                get: function() {
                    return this._direction
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "associatedVariableName", {
                get: function() {
                    return this._ownerBlock.isInput ? this._ownerBlock.associatedVariableName : this._enforceAssociatedVariableName && this._associatedVariableName || !this._connectedPoint ? this._associatedVariableName : this._connectedPoint.associatedVariableName
                },
                set: function(e) {
                    this._associatedVariableName = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "innerType", {
                get: function() {
                    return this._linkedConnectionSource && this._linkedConnectionSource.isConnected ? this.type : this._type
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "type", {
                get: function() {
                    if (this._type === Op.AutoDetect) {
                        if (this._ownerBlock.isInput)
                            return this._ownerBlock.type;
                        if (this._connectedPoint)
                            return this._connectedPoint.type;
                        if (this._linkedConnectionSource && this._linkedConnectionSource.isConnected)
                            return this._linkedConnectionSource.type
                    }
                    if (this._type === Op.BasedOnInput) {
                        if (this._typeConnectionSource)
                            return !this._typeConnectionSource.isConnected && this._defaultConnectionPointType ? this._defaultConnectionPointType : this._typeConnectionSource.type;
                        if (this._defaultConnectionPointType)
                            return this._defaultConnectionPointType
                    }
                    return this._type
                },
                set: function(e) {
                    this._type = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "target", {
                get: function() {
                    return this._prioritizeVertex && this._ownerBlock ? this._target !== Dp.VertexAndFragment ? this._target : this._ownerBlock.target === Dp.Fragment ? Dp.Fragment : Dp.Vertex : this._target
                },
                set: function(e) {
                    this._target = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isConnected", {
                get: function() {
                    return null !== this.connectedPoint || this.hasEndpoints
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isConnectedToInputBlock", {
                get: function() {
                    return null !== this.connectedPoint && this.connectedPoint.ownerBlock.isInput
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "connectInputBlock", {
                get: function() {
                    return this.isConnectedToInputBlock ? this.connectedPoint.ownerBlock : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "connectedPoint", {
                get: function() {
                    return this._connectedPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ownerBlock", {
                get: function() {
                    return this._ownerBlock
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "sourceBlock", {
                get: function() {
                    return this._connectedPoint ? this._connectedPoint.ownerBlock : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "connectedBlocks", {
                get: function() {
                    return 0 === this._endpoints.length ? [] : this._endpoints.map((function(e) {
                        return e.ownerBlock
                    }
                    ))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "endpoints", {
                get: function() {
                    return this._endpoints
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasEndpoints", {
                get: function() {
                    return this._endpoints && this._endpoints.length > 0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isDirectlyConnectedToVertexOutput", {
                get: function() {
                    if (!this.hasEndpoints)
                        return !1;
                    for (var e = 0, t = this._endpoints; e < t.length; e++) {
                        var i = t[e];
                        if (i.ownerBlock.target === Dp.Vertex)
                            return !0;
                        if ((i.ownerBlock.target === Dp.Neutral || i.ownerBlock.target === Dp.VertexAndFragment) && i.ownerBlock.outputs.some((function(e) {
                            return e.isDirectlyConnectedToVertexOutput
                        }
                        )))
                            return !0
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isConnectedInVertexShader", {
                get: function() {
                    if (this.target === Dp.Vertex)
                        return !0;
                    if (!this.hasEndpoints)
                        return !1;
                    for (var e = 0, t = this._endpoints; e < t.length; e++) {
                        var i = t[e];
                        if (i.ownerBlock.target === Dp.Vertex)
                            return !0;
                        if (i.target === Dp.Vertex)
                            return !0;
                        if ((i.ownerBlock.target === Dp.Neutral || i.ownerBlock.target === Dp.VertexAndFragment) && i.ownerBlock.outputs.some((function(e) {
                            return e.isConnectedInVertexShader
                        }
                        )))
                            return !0
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isConnectedInFragmentShader", {
                get: function() {
                    if (this.target === Dp.Fragment)
                        return !0;
                    if (!this.hasEndpoints)
                        return !1;
                    for (var e = 0, t = this._endpoints; e < t.length; e++) {
                        var i = t[e];
                        if (i.ownerBlock.target === Dp.Fragment)
                            return !0;
                        if ((i.ownerBlock.target === Dp.Neutral || i.ownerBlock.target === Dp.VertexAndFragment) && i.ownerBlock.outputs.some((function(e) {
                            return e.isConnectedInFragmentShader
                        }
                        )))
                            return !0
                    }
                    return !1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.createCustomInputBlock = function() {
                return null
            }
            ,
            e.prototype.getClassName = function() {
                return "NodeMaterialConnectionPoint"
            }
            ,
            e.prototype.canConnectTo = function(e) {
                return this.checkCompatibilityState(e) === Up.Compatible
            }
            ,
            e.prototype.checkCompatibilityState = function(t) {
                var i = this._ownerBlock
                  , n = t.ownerBlock;
                if (i.target === Dp.Fragment) {
                    if (n.target === Dp.Vertex)
                        return Up.TargetIncompatible;
                    for (var r = 0, o = n.outputs; r < o.length; r++) {
                        var a = o[r];
                        if (a.ownerBlock.target != Dp.Neutral && a.isConnectedInVertexShader)
                            return Up.TargetIncompatible
                    }
                }
                if (this.type !== t.type && t.innerType !== Op.AutoDetect)
                    return e.AreEquivalentTypes(this.type, t.type) || t.acceptedConnectionPointTypes && -1 !== t.acceptedConnectionPointTypes.indexOf(this.type) || t._acceptedConnectionPointType && e.AreEquivalentTypes(t._acceptedConnectionPointType.type, this.type) ? Up.Compatible : Up.TypeIncompatible;
                if (t.excludedConnectionPointTypes && -1 !== t.excludedConnectionPointTypes.indexOf(this.type))
                    return Up.TypeIncompatible;
                var s = n
                  , l = i;
                return this.direction === Vp.Input && (s = i,
                l = n),
                s.isAnAncestorOf(l) ? Up.HierarchyIssue : Up.Compatible
            }
            ,
            e.prototype.connectTo = function(e, t) {
                if (void 0 === t && (t = !1),
                !t && !this.canConnectTo(e))
                    throw "Cannot connect these two connectors.";
                return this._endpoints.push(e),
                e._connectedPoint = this,
                this._enforceAssociatedVariableName = !1,
                this.onConnectionObservable.notifyObservers(e),
                e.onConnectionObservable.notifyObservers(this),
                this
            }
            ,
            e.prototype.disconnectFrom = function(e) {
                var t = this._endpoints.indexOf(e);
                return -1 === t || (this._endpoints.splice(t, 1),
                e._connectedPoint = null,
                this._enforceAssociatedVariableName = !1,
                e._enforceAssociatedVariableName = !1),
                this
            }
            ,
            e.prototype.serialize = function(e) {
                void 0 === e && (e = !0);
                var t = {};
                return t.name = this.name,
                t.displayName = this.displayName,
                e && this.connectedPoint && (t.inputName = this.name,
                t.targetBlockId = this.connectedPoint.ownerBlock.uniqueId,
                t.targetConnectionName = this.connectedPoint.name,
                t.isExposedOnFrame = !0,
                t.exposedPortPosition = this.exposedPortPosition),
                (this.isExposedOnFrame || this.exposedPortPosition >= 0) && (t.isExposedOnFrame = !0,
                t.exposedPortPosition = this.exposedPortPosition),
                t
            }
            ,
            e.prototype.dispose = function() {
                this.onConnectionObservable.clear()
            }
            ,
            e
        }()
          , Wp = function() {
            function e(e, t, i, n) {
                void 0 === t && (t = Dp.Vertex),
                void 0 === i && (i = !1),
                void 0 === n && (n = !1),
                this._isFinalMerger = !1,
                this._isInput = !1,
                this._name = "",
                this._isUnique = !1,
                this.inputsAreExclusive = !1,
                this._codeVariableName = "",
                this._inputs = new Array,
                this._outputs = new Array,
                this.comments = "",
                this.visibleInInspector = !1,
                this.visibleOnFrame = !1,
                this._target = t,
                this._originalTargetIsNeutral = t === Dp.Neutral,
                this._isFinalMerger = i,
                this._isInput = n,
                this._name = e,
                this.uniqueId = pn.UniqueId
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return this._name
                },
                set: function(e) {
                    this.validateBlockName(e) && (this._name = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isUnique", {
                get: function() {
                    return this._isUnique
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isFinalMerger", {
                get: function() {
                    return this._isFinalMerger
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isInput", {
                get: function() {
                    return this._isInput
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "buildId", {
                get: function() {
                    return this._buildId
                },
                set: function(e) {
                    this._buildId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "target", {
                get: function() {
                    return this._target
                },
                set: function(e) {
                    0 == (this._target & e) && (this._target = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "inputs", {
                get: function() {
                    return this._inputs
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "outputs", {
                get: function() {
                    return this._outputs
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getInputByName = function(e) {
                var t = this._inputs.filter((function(t) {
                    return t.name === e
                }
                ));
                return t.length ? t[0] : null
            }
            ,
            e.prototype.getOutputByName = function(e) {
                var t = this._outputs.filter((function(t) {
                    return t.name === e
                }
                ));
                return t.length ? t[0] : null
            }
            ,
            e.prototype.initialize = function(e) {}
            ,
            e.prototype.bind = function(e, t, i, n) {}
            ,
            e.prototype._declareOutput = function(e, t) {
                return "".concat(t._getGLType(e.type), " ").concat(e.associatedVariableName)
            }
            ,
            e.prototype._writeVariable = function(e) {
                return e.connectedPoint ? "".concat(e.associatedVariableName) : "0."
            }
            ,
            e.prototype._writeFloat = function(e) {
                var t = e.toString();
                return -1 === t.indexOf(".") && (t += ".0"),
                "".concat(t)
            }
            ,
            e.prototype.getClassName = function() {
                return "NodeMaterialBlock"
            }
            ,
            e.prototype.registerInput = function(e, t, i, n, r) {
                return void 0 === i && (i = !1),
                (r = null != r ? r : new zp(e,this,Vp.Input)).type = t,
                r.isOptional = i,
                n && (r.target = n),
                this._inputs.push(r),
                this
            }
            ,
            e.prototype.registerOutput = function(e, t, i, n) {
                return (n = null != n ? n : new zp(e,this,Vp.Output)).type = t,
                i && (n.target = i),
                this._outputs.push(n),
                this
            }
            ,
            e.prototype.getFirstAvailableInput = function(e) {
                void 0 === e && (e = null);
                for (var t = 0, i = this._inputs; t < i.length; t++) {
                    var n = i[t];
                    if (!(n.connectedPoint || e && e.type !== n.type && n.type !== Op.AutoDetect))
                        return n
                }
                return null
            }
            ,
            e.prototype.getFirstAvailableOutput = function(e) {
                void 0 === e && (e = null);
                for (var t = 0, i = this._outputs; t < i.length; t++) {
                    var n = i[t];
                    if (!e || !e.target || e.target === Dp.Neutral || 0 != (e.target & n.target))
                        return n
                }
                return null
            }
            ,
            e.prototype.getSiblingOutput = function(e) {
                var t = this._outputs.indexOf(e);
                return -1 === t || t >= this._outputs.length ? null : this._outputs[t + 1]
            }
            ,
            e.prototype.isAnAncestorOf = function(e) {
                for (var t = 0, i = this._outputs; t < i.length; t++) {
                    var n = i[t];
                    if (n.hasEndpoints)
                        for (var r = 0, o = n.endpoints; r < o.length; r++) {
                            var a = o[r];
                            if (a.ownerBlock === e)
                                return !0;
                            if (a.ownerBlock.isAnAncestorOf(e))
                                return !0
                        }
                }
                return !1
            }
            ,
            e.prototype.connectTo = function(e, t) {
                if (0 !== this._outputs.length) {
                    for (var i = t && t.output ? this.getOutputByName(t.output) : this.getFirstAvailableOutput(e), n = !0; n; ) {
                        var r = t && t.input ? e.getInputByName(t.input) : e.getFirstAvailableInput(i);
                        if (i && r && i.canConnectTo(r))
                            i.connectTo(r),
                            n = !1;
                        else {
                            if (!i)
                                throw "Unable to find a compatible match";
                            i = this.getSiblingOutput(i)
                        }
                    }
                    return this
                }
            }
            ,
            e.prototype._buildBlock = function(e) {}
            ,
            e.prototype.updateUniformsAndSamples = function(e, t, i, n) {}
            ,
            e.prototype.provideFallbacks = function(e, t) {}
            ,
            e.prototype.initializeDefines = function(e, t, i, n) {
                void 0 === n && (n = !1)
            }
            ,
            e.prototype.prepareDefines = function(e, t, i, n, r) {
                void 0 === n && (n = !1)
            }
            ,
            e.prototype.autoConfigure = function(e) {}
            ,
            e.prototype.replaceRepeatableContent = function(e, t, i, n) {}
            ,
            Object.defineProperty(e.prototype, "willBeGeneratedIntoVertexShaderFromFragmentShader", {
                get: function() {
                    return !(this.isInput || this.isFinalMerger || this._outputs.some((function(e) {
                        return e.isDirectlyConnectedToVertexOutput
                    }
                    )) || this.target === Dp.Vertex || this.target !== Dp.VertexAndFragment && this.target !== Dp.Neutral || !this._outputs.some((function(e) {
                        return e.isConnectedInVertexShader
                    }
                    )))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function(e, t, i, n) {
                return void 0 === n && (n = !1),
                !0
            }
            ,
            e.prototype._linkConnectionTypes = function(e, t, i) {
                void 0 === i && (i = !1),
                i ? this._inputs[t]._acceptedConnectionPointType = this._inputs[e] : this._inputs[e]._linkedConnectionSource = this._inputs[t],
                this._inputs[t]._linkedConnectionSource = this._inputs[e]
            }
            ,
            e.prototype._processBuild = function(e, t, i, n) {
                e.build(t, n);
                var r = null != t._vertexState
                  , o = e._buildTarget === Dp.Vertex && e.target !== Dp.VertexAndFragment;
                if (r && (0 == (e.target & e._buildTarget) || 0 == (e.target & i.target) || this.target !== Dp.VertexAndFragment && o) && (!e.isInput && t.target !== e._buildTarget || e.isInput && e.isAttribute && !e._noContextSwitch)) {
                    var a = i.connectedPoint;
                    t._vertexState._emitVaryingFromString("v_" + a.associatedVariableName, t._getGLType(a.type)) && (t._vertexState.compilationString += "".concat("v_" + a.associatedVariableName, " = ").concat(a.associatedVariableName, ";\r\n")),
                    i.associatedVariableName = "v_" + a.associatedVariableName,
                    i._enforceAssociatedVariableName = !0
                }
            }
            ,
            e.prototype.validateBlockName = function(e) {
                for (var t = 0, i = ["position", "normal", "tangent", "particle_positionw", "uv", "uv2", "uv3", "uv4", "uv5", "uv6", "position2d", "particle_uv", "matricesIndices", "matricesWeights", "world0", "world1", "world2", "world3", "particle_color", "particle_texturemask"]; t < i.length; t++)
                    if (e === i[t])
                        return !1;
                return !0
            }
            ,
            e.prototype.build = function(e, t) {
                if (this._buildId === e.sharedData.buildId)
                    return !0;
                if (!this.isInput)
                    for (var i = 0, n = this._outputs; i < n.length; i++)
                        (c = n[i]).associatedVariableName || (c.associatedVariableName = e._getFreeVariableName(c.name));
                for (var r = 0, o = this._inputs; r < o.length; r++) {
                    var a = o[r];
                    if (a.connectedPoint) {
                        if (this.target !== Dp.Neutral) {
                            if (0 == (a.target & this.target))
                                continue;
                            if (0 == (a.target & e.target))
                                continue
                        }
                        (d = a.connectedPoint.ownerBlock) && d !== this && this._processBuild(d, e, a, t)
                    } else
                        a.isOptional || e.sharedData.checks.notConnectedNonOptionalInputs.push(a)
                }
                if (this._buildId === e.sharedData.buildId)
                    return !0;
                if (e.sharedData.verbose && console.log("".concat(e.target === Dp.Vertex ? "Vertex shader" : "Fragment shader", ": Building ").concat(this.name, " [").concat(this.getClassName(), "]")),
                this.isFinalMerger)
                    switch (e.target) {
                    case Dp.Vertex:
                        e.sharedData.checks.emitVertex = !0;
                        break;
                    case Dp.Fragment:
                        e.sharedData.checks.emitFragment = !0
                    }
                !this.isInput && e.sharedData.emitComments && (e.compilationString += "\r\n//".concat(this.name, "\r\n")),
                this._buildBlock(e),
                this._buildId = e.sharedData.buildId,
                this._buildTarget = e.target;
                for (var s = 0, l = this._outputs; s < l.length; s++) {
                    var c;
                    if (0 != ((c = l[s]).target & e.target))
                        for (var u = 0, h = c.endpoints; u < h.length; u++) {
                            var d, p = h[u];
                            (d = p.ownerBlock) && 0 != (d.target & e.target) && -1 !== t.indexOf(d) && this._processBuild(d, e, p, t)
                        }
                }
                return !1
            }
            ,
            e.prototype._inputRename = function(e) {
                return e
            }
            ,
            e.prototype._outputRename = function(e) {
                return e
            }
            ,
            e.prototype._dumpPropertiesCode = function() {
                var e = this._codeVariableName;
                return "".concat(e, ".visibleInInspector = ").concat(this.visibleInInspector, ";\r\n").concat(e, ".visibleOnFrame = ").concat(this.visibleOnFrame, ";\r\n").concat(e, ".target = ").concat(this.target, ";\r\n")
            }
            ,
            e.prototype._dumpCode = function(e, t) {
                var i;
                t.push(this);
                var n = this.name.replace(/[^A-Za-z_]+/g, "");
                if (this._codeVariableName = n || "".concat(this.getClassName(), "_").concat(this.uniqueId),
                -1 !== e.indexOf(this._codeVariableName)) {
                    var r = 0;
                    do {
                        r++,
                        this._codeVariableName = n + r
                    } while (-1 !== e.indexOf(this._codeVariableName))
                }
                e.push(this._codeVariableName),
                i = "\r\n// ".concat(this.getClassName(), "\r\n"),
                this.comments && (i += "// ".concat(this.comments, "\r\n")),
                i += "var ".concat(this._codeVariableName, " = new BABYLON.").concat(this.getClassName(), '("').concat(this.name, '");\r\n'),
                i += this._dumpPropertiesCode();
                for (var o = 0, a = this.inputs; o < a.length; o++) {
                    var s = a[o];
                    if (s.isConnected) {
                        var l = s.connectedPoint.ownerBlock;
                        -1 === t.indexOf(l) && (i += l._dumpCode(e, t))
                    }
                }
                for (var c = 0, u = this.outputs; c < u.length; c++) {
                    var h = u[c];
                    if (h.hasEndpoints)
                        for (var d = 0, p = h.endpoints; d < p.length; d++)
                            (l = p[d].ownerBlock) && -1 === t.indexOf(l) && (i += l._dumpCode(e, t))
                }
                return i
            }
            ,
            e.prototype._dumpCodeForOutputConnections = function(e) {
                var t = "";
                if (-1 !== e.indexOf(this))
                    return t;
                e.push(this);
                for (var i = 0, n = this.inputs; i < n.length; i++) {
                    var r = n[i];
                    if (r.isConnected) {
                        var o = r.connectedPoint
                          , a = o.ownerBlock;
                        t += a._dumpCodeForOutputConnections(e),
                        t += "".concat(a._codeVariableName, ".").concat(a._outputRename(o.name), ".connectTo(").concat(this._codeVariableName, ".").concat(this._inputRename(r.name), ");\r\n")
                    }
                }
                return t
            }
            ,
            e.prototype.clone = function(e, t) {
                void 0 === t && (t = "");
                var i = this.serialize()
                  , n = b(i.customType);
                if (n) {
                    var r = new n;
                    return r._deserialize(i, e, t),
                    r
                }
                return null
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                e.customType = "BABYLON." + this.getClassName(),
                e.id = this.uniqueId,
                e.name = this.name,
                e.comments = this.comments,
                e.visibleInInspector = this.visibleInInspector,
                e.visibleOnFrame = this.visibleOnFrame,
                e.target = this.target,
                e.inputs = [],
                e.outputs = [];
                for (var t = 0, i = this.inputs; t < i.length; t++) {
                    var n = i[t];
                    e.inputs.push(n.serialize())
                }
                for (var r = 0, o = this.outputs; r < o.length; r++) {
                    var a = o[r];
                    e.outputs.push(a.serialize(!1))
                }
                return e
            }
            ,
            e.prototype._deserialize = function(e, t, i) {
                var n;
                this.name = e.name,
                this.comments = e.comments,
                this.visibleInInspector = !!e.visibleInInspector,
                this.visibleOnFrame = !!e.visibleOnFrame,
                this._target = null !== (n = e.target) && void 0 !== n ? n : this.target,
                this._deserializePortDisplayNamesAndExposedOnFrame(e)
            }
            ,
            e.prototype._deserializePortDisplayNamesAndExposedOnFrame = function(e) {
                var t = this
                  , i = e.inputs
                  , n = e.outputs;
                i && i.forEach((function(e, i) {
                    e.displayName && (t.inputs[i].displayName = e.displayName),
                    e.isExposedOnFrame && (t.inputs[i].isExposedOnFrame = e.isExposedOnFrame,
                    t.inputs[i].exposedPortPosition = e.exposedPortPosition)
                }
                )),
                n && n.forEach((function(e, i) {
                    e.displayName && (t.outputs[i].displayName = e.displayName),
                    e.isExposedOnFrame && (t.outputs[i].isExposedOnFrame = e.isExposedOnFrame,
                    t.outputs[i].exposedPortPosition = e.exposedPortPosition)
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                for (var e = 0, t = this.inputs; e < t.length; e++)
                    t[e].dispose();
                for (var i = 0, n = this.outputs; i < n.length; i++)
                    n[i].dispose()
            }
            ,
            e
        }()
          , Hp = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.complementW = 1,
                i.complementZ = 0,
                i.target = Dp.Vertex,
                i.registerInput("vector", Op.AutoDetect),
                i.registerInput("transform", Op.Matrix),
                i.registerOutput("output", Op.Vector4),
                i.registerOutput("xyz", Op.Vector3),
                i._inputs[0].onConnectionObservable.add((function(e) {
                    if (e.ownerBlock.isInput) {
                        var t = e.ownerBlock;
                        "normal" !== t.name && "tangent" !== t.name || (i.complementW = 0)
                    }
                }
                )),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "TransformBlock"
            }
            ,
            Object.defineProperty(t.prototype, "vector", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyz", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "transform", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.vector
                  , n = this.transform;
                if (i.connectedPoint) {
                    if (0 === this.complementW) {
                        var r = "//".concat(this.name);
                        t._emitFunctionFromInclude("helperFunctions", r),
                        t.sharedData.blocksWithDefines.push(this);
                        var o = t._getFreeVariableName("".concat(n.associatedVariableName, "_NUS"));
                        switch (t.compilationString += "mat3 ".concat(o, " = mat3(").concat(n.associatedVariableName, ");\r\n"),
                        t.compilationString += "#ifdef NONUNIFORMSCALING\r\n",
                        t.compilationString += "".concat(o, " = transposeMat3(inverseMat3(").concat(o, "));\r\n"),
                        t.compilationString += "#endif\r\n",
                        i.connectedPoint.type) {
                        case Op.Vector2:
                            t.compilationString += this._declareOutput(this.output, t) + " = vec4(".concat(o, " * vec3(").concat(i.associatedVariableName, ", ").concat(this._writeFloat(this.complementZ), "), ").concat(this._writeFloat(this.complementW), ");\r\n");
                            break;
                        case Op.Vector3:
                        case Op.Color3:
                            t.compilationString += this._declareOutput(this.output, t) + " = vec4(".concat(o, " * ").concat(i.associatedVariableName, ", ").concat(this._writeFloat(this.complementW), ");\r\n");
                            break;
                        default:
                            t.compilationString += this._declareOutput(this.output, t) + " = vec4(".concat(o, " * ").concat(i.associatedVariableName, ".xyz, ").concat(this._writeFloat(this.complementW), ");\r\n")
                        }
                    } else
                        switch (o = n.associatedVariableName,
                        i.connectedPoint.type) {
                        case Op.Vector2:
                            t.compilationString += this._declareOutput(this.output, t) + " = ".concat(o, " * vec4(").concat(i.associatedVariableName, ", ").concat(this._writeFloat(this.complementZ), ", ").concat(this._writeFloat(this.complementW), ");\r\n");
                            break;
                        case Op.Vector3:
                        case Op.Color3:
                            t.compilationString += this._declareOutput(this.output, t) + " = ".concat(o, " * vec4(").concat(i.associatedVariableName, ", ").concat(this._writeFloat(this.complementW), ");\r\n");
                            break;
                        default:
                            t.compilationString += this._declareOutput(this.output, t) + " = ".concat(o, " * ").concat(i.associatedVariableName, ";\r\n")
                        }
                    this.xyz.hasEndpoints && (t.compilationString += this._declareOutput(this.xyz, t) + " = ".concat(this.output.associatedVariableName, ".xyz;\r\n"))
                }
                return this
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                e.nonUniformScaling && i.setValue("NONUNIFORMSCALING", !0)
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.complementZ = this.complementZ,
                t.complementW = this.complementW,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.complementZ = void 0 !== t.complementZ ? t.complementZ : 0,
                this.complementW = void 0 !== t.complementW ? t.complementW : 1
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".complementZ = ").concat(this.complementZ, ";\r\n") + "".concat(this._codeVariableName, ".complementW = ").concat(this.complementW, ";\r\n")
            }
            ,
            t
        }(Wp);
        y("BABYLON.TransformBlock", Hp);
        var Xp, jp = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Vertex, !0) || this;
                return i.registerInput("vector", Op.Vector4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VertexOutputBlock"
            }
            ,
            Object.defineProperty(t.prototype, "vector", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._isLogarithmicDepthEnabled = function(e) {
                for (var t = 0, i = e; t < i.length; t++)
                    if (i[t].useLogarithmicDepth)
                        return !0;
                return !1
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.vector;
                return t.compilationString += "gl_Position = ".concat(i.associatedVariableName, ";\r\n"),
                this._isLogarithmicDepthEnabled(t.sharedData.fragmentOutputNodes) && (t._emitUniformFromString("logarithmicDepthConstant", "float"),
                t._emitVaryingFromString("vFragmentDepth", "float"),
                t.compilationString += "vFragmentDepth = 1.0 + gl_Position.w;\r\n",
                t.compilationString += "gl_Position.z = log2(max(0.000001, vFragmentDepth)) * logarithmicDepthConstant;\r\n"),
                this
            }
            ,
            t
        }(Wp);
        function Yp(e, t, i, n) {
            return void 0 === t && (t = Xp.Boolean),
            void 0 === i && (i = "PROPERTIES"),
            function(r, o) {
                var a = r._propStore;
                a || (a = [],
                r._propStore = a),
                a.push({
                    propertyName: o,
                    displayName: e,
                    type: t,
                    groupName: i,
                    options: null != n ? n : {}
                })
            }
        }
        y("BABYLON.VertexOutputBlock", jp),
        function(e) {
            e[e.Boolean = 0] = "Boolean",
            e[e.Float = 1] = "Float",
            e[e.Int = 2] = "Int",
            e[e.Vector2 = 3] = "Vector2",
            e[e.List = 4] = "List"
        }(Xp || (Xp = {}));
        var Kp, Qp, qp, Zp = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment, !0) || this;
                return i.convertToGammaSpace = !1,
                i.convertToLinearSpace = !1,
                i.useLogarithmicDepth = !1,
                i.registerInput("rgba", Op.Color4, !0),
                i.registerInput("rgb", Op.Color3, !0),
                i.registerInput("a", Op.Float, !0),
                i.rgb.acceptedConnectionPointTypes.push(Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FragmentOutputBlock"
            }
            ,
            t.prototype.initialize = function(e) {
                e._excludeVariableName("logarithmicDepthConstant"),
                e._excludeVariableName("vFragmentDepth")
            }
            ,
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.prepareDefines = function(e, t, i) {
                i.setValue(this._linearDefineName, this.convertToLinearSpace, !0),
                i.setValue(this._gammaDefineName, this.convertToGammaSpace, !0)
            }
            ,
            t.prototype.bind = function(e, t, i) {
                this.useLogarithmicDepth && i && Mr.BindLogDepth(void 0, e, i.getScene())
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.rgba
                  , n = this.rgb
                  , r = this.a;
                t.sharedData.hints.needAlphaBlending = i.isConnected || r.isConnected,
                t.sharedData.blocksWithDefines.push(this),
                this.useLogarithmicDepth && (t._emitUniformFromString("logarithmicDepthConstant", "float"),
                t._emitVaryingFromString("vFragmentDepth", "float"),
                t.sharedData.bindableBlocks.push(this)),
                this._linearDefineName = t._getFreeDefineName("CONVERTTOLINEAR"),
                this._gammaDefineName = t._getFreeDefineName("CONVERTTOGAMMA");
                var o = "//".concat(this.name);
                if (t._emitFunctionFromInclude("helperFunctions", o),
                i.connectedPoint)
                    r.isConnected ? t.compilationString += "gl_FragColor = vec4(".concat(i.associatedVariableName, ".rgb, ").concat(r.associatedVariableName, ");\r\n") : t.compilationString += "gl_FragColor = ".concat(i.associatedVariableName, ";\r\n");
                else if (n.connectedPoint) {
                    var a = "1.0";
                    r.connectedPoint && (a = r.associatedVariableName),
                    n.connectedPoint.type === Op.Float ? t.compilationString += "gl_FragColor = vec4(".concat(n.associatedVariableName, ", ").concat(n.associatedVariableName, ", ").concat(n.associatedVariableName, ", ").concat(a, ");\r\n") : t.compilationString += "gl_FragColor = vec4(".concat(n.associatedVariableName, ", ").concat(a, ");\r\n")
                } else
                    t.sharedData.checks.notConnectedNonOptionalInputs.push(i);
                return t.compilationString += "#ifdef ".concat(this._linearDefineName, "\r\n"),
                t.compilationString += "gl_FragColor = toLinearSpace(gl_FragColor);\r\n",
                t.compilationString += "#endif\r\n",
                t.compilationString += "#ifdef ".concat(this._gammaDefineName, "\r\n"),
                t.compilationString += "gl_FragColor = toGammaSpace(gl_FragColor);\r\n",
                t.compilationString += "#endif\r\n",
                this.useLogarithmicDepth && (t.compilationString += "gl_FragDepthEXT = log2(vFragmentDepth) * logarithmicDepthConstant * 0.5;\r\n"),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return t += "".concat(this._codeVariableName, ".convertToGammaSpace = ").concat(this.convertToGammaSpace, ";\r\n"),
                (t += "".concat(this._codeVariableName, ".convertToLinearSpace = ").concat(this.convertToLinearSpace, ";\r\n")) + "".concat(this._codeVariableName, ".useLogarithmicDepth = ").concat(this.useLogarithmicDepth, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.convertToGammaSpace = this.convertToGammaSpace,
                t.convertToLinearSpace = this.convertToLinearSpace,
                t.useLogarithmicDepth = this.useLogarithmicDepth,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r;
                e.prototype._deserialize.call(this, t, i, n),
                this.convertToGammaSpace = t.convertToGammaSpace,
                this.convertToLinearSpace = t.convertToLinearSpace,
                this.useLogarithmicDepth = null !== (r = t.useLogarithmicDepth) && void 0 !== r && r
            }
            ,
            k([Yp("Convert to gamma space", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "convertToGammaSpace", void 0),
            k([Yp("Convert to linear space", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "convertToLinearSpace", void 0),
            k([Yp("Use logarithmic depth", Xp.Boolean, "PROPERTIES")], t.prototype, "useLogarithmicDepth", void 0),
            t
        }(Wp);
        y("BABYLON.FragmentOutputBlock", Zp),
        function(e) {
            e[e.Uniform = 0] = "Uniform",
            e[e.Attribute = 1] = "Attribute",
            e[e.Varying = 2] = "Varying",
            e[e.Undefined = 3] = "Undefined"
        }(Kp || (Kp = {})),
        function(e) {
            e[e.World = 1] = "World",
            e[e.View = 2] = "View",
            e[e.Projection = 3] = "Projection",
            e[e.ViewProjection = 4] = "ViewProjection",
            e[e.WorldView = 5] = "WorldView",
            e[e.WorldViewProjection = 6] = "WorldViewProjection",
            e[e.CameraPosition = 7] = "CameraPosition",
            e[e.FogColor = 8] = "FogColor",
            e[e.DeltaTime = 9] = "DeltaTime",
            e[e.CameraParameters = 10] = "CameraParameters",
            e[e.MaterialAlpha = 11] = "MaterialAlpha"
        }(Qp || (Qp = {})),
        function(e) {
            e[e.None = 0] = "None",
            e[e.Time = 1] = "Time"
        }(qp || (qp = {}));
        var Jp = {
            position2d: "position",
            particle_uv: "vUV",
            particle_color: "vColor",
            particle_texturemask: "textureMask",
            particle_positionw: "vPositionW"
        }
          , $p = {
            particle_uv: !0,
            particle_color: !0,
            particle_texturemask: !0,
            particle_positionw: !0
        }
          , ef = {
            particle_texturemask: !0
        }
          , tf = function(e) {
            function t(t, i, n) {
                void 0 === i && (i = Dp.Vertex),
                void 0 === n && (n = Op.AutoDetect);
                var r = e.call(this, t, i, !1, !0) || this;
                return r._mode = Kp.Undefined,
                r._animationType = qp.None,
                r.min = 0,
                r.max = 0,
                r.isBoolean = !1,
                r.matrixMode = 0,
                r._systemValue = null,
                r.isConstant = !1,
                r.groupInInspector = "",
                r.onValueChangedObservable = new h,
                r.convertToGammaSpace = !1,
                r.convertToLinearSpace = !1,
                r._type = n,
                r.setDefaultValue(),
                r.registerOutput("output", n),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "type", {
                get: function() {
                    if (this._type === Op.AutoDetect) {
                        if (this.isUniform && null != this.value) {
                            if (!isNaN(this.value))
                                return this._type = Op.Float,
                                this._type;
                            switch (this.value.getClassName()) {
                            case "Vector2":
                                return this._type = Op.Vector2,
                                this._type;
                            case "Vector3":
                                return this._type = Op.Vector3,
                                this._type;
                            case "Vector4":
                                return this._type = Op.Vector4,
                                this._type;
                            case "Color3":
                                return this._type = Op.Color3,
                                this._type;
                            case "Color4":
                                return this._type = Op.Color4,
                                this._type;
                            case "Matrix":
                                return this._type = Op.Matrix,
                                this._type
                            }
                        }
                        if (this.isAttribute)
                            switch (this.name) {
                            case "position":
                            case "normal":
                            case "tangent":
                            case "particle_positionw":
                                return this._type = Op.Vector3,
                                this._type;
                            case "uv":
                            case "uv2":
                            case "uv3":
                            case "uv4":
                            case "uv5":
                            case "uv6":
                            case "position2d":
                            case "particle_uv":
                                return this._type = Op.Vector2,
                                this._type;
                            case "matricesIndices":
                            case "matricesWeights":
                            case "world0":
                            case "world1":
                            case "world2":
                            case "world3":
                                return this._type = Op.Vector4,
                                this._type;
                            case "color":
                            case "particle_color":
                            case "particle_texturemask":
                                return this._type = Op.Color4,
                                this._type
                            }
                        if (this.isSystemValue)
                            switch (this._systemValue) {
                            case Qp.World:
                            case Qp.WorldView:
                            case Qp.WorldViewProjection:
                            case Qp.View:
                            case Qp.ViewProjection:
                            case Qp.Projection:
                                return this._type = Op.Matrix,
                                this._type;
                            case Qp.CameraPosition:
                                return this._type = Op.Vector3,
                                this._type;
                            case Qp.FogColor:
                                return this._type = Op.Color3,
                                this._type;
                            case Qp.DeltaTime:
                            case Qp.MaterialAlpha:
                                return this._type = Op.Float,
                                this._type;
                            case Qp.CameraParameters:
                                return this._type = Op.Vector4,
                                this._type
                            }
                    }
                    return this._type
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.validateBlockName = function(t) {
                return !!this.isAttribute || e.prototype.validateBlockName.call(this, t)
            }
            ,
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setAsAttribute = function(e) {
                return this._mode = Kp.Attribute,
                e && (this.name = e),
                this
            }
            ,
            t.prototype.setAsSystemValue = function(e) {
                return this.systemValue = e,
                this
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._storedValue
                },
                set: function(e) {
                    this.type === Op.Float && (this.isBoolean ? e = e ? 1 : 0 : this.min !== this.max && (e = Math.max(this.min, e),
                    e = Math.min(this.max, e))),
                    this._storedValue = e,
                    this._mode = Kp.Uniform,
                    this.onValueChangedObservable.notifyObservers(this)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "valueCallback", {
                get: function() {
                    return this._valueCallback
                },
                set: function(e) {
                    this._valueCallback = e,
                    this._mode = Kp.Uniform
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "associatedVariableName", {
                get: function() {
                    return this._associatedVariableName
                },
                set: function(e) {
                    this._associatedVariableName = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "animationType", {
                get: function() {
                    return this._animationType
                },
                set: function(e) {
                    this._animationType = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isUndefined", {
                get: function() {
                    return this._mode === Kp.Undefined
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isUniform", {
                get: function() {
                    return this._mode === Kp.Uniform
                },
                set: function(e) {
                    this._mode = e ? Kp.Uniform : Kp.Undefined,
                    this.associatedVariableName = ""
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isAttribute", {
                get: function() {
                    return this._mode === Kp.Attribute
                },
                set: function(e) {
                    this._mode = e ? Kp.Attribute : Kp.Undefined,
                    this.associatedVariableName = ""
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isVarying", {
                get: function() {
                    return this._mode === Kp.Varying
                },
                set: function(e) {
                    this._mode = e ? Kp.Varying : Kp.Undefined,
                    this.associatedVariableName = ""
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isSystemValue", {
                get: function() {
                    return null != this._systemValue
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "systemValue", {
                get: function() {
                    return this._systemValue
                },
                set: function(e) {
                    this._mode = Kp.Uniform,
                    this.associatedVariableName = "",
                    this._systemValue = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "InputBlock"
            }
            ,
            t.prototype.animate = function(e) {
                this._animationType === qp.Time && this.type === Op.Float && (this.value += .01 * e.getAnimationRatio())
            }
            ,
            t.prototype._emitDefine = function(e) {
                return "!" === e[0] ? "#ifndef ".concat(e.substring(1), "\r\n") : "#ifdef ".concat(e, "\r\n")
            }
            ,
            t.prototype.initialize = function() {
                this.associatedVariableName = ""
            }
            ,
            t.prototype.setDefaultValue = function() {
                switch (this.type) {
                case Op.Float:
                    this.value = 0;
                    break;
                case Op.Vector2:
                    this.value = A.Zero();
                    break;
                case Op.Vector3:
                    this.value = x.Zero();
                    break;
                case Op.Vector4:
                    this.value = R.Zero();
                    break;
                case Op.Color3:
                    this.value = D.White();
                    break;
                case Op.Color4:
                    this.value = new N(1,1,1,1);
                    break;
                case Op.Matrix:
                    this.value = P.Identity()
                }
            }
            ,
            t.prototype._emitConstant = function(e) {
                switch (this.type) {
                case Op.Float:
                    return "".concat(e._emitFloat(this.value));
                case Op.Vector2:
                    return "vec2(".concat(this.value.x, ", ").concat(this.value.y, ")");
                case Op.Vector3:
                    return "vec3(".concat(this.value.x, ", ").concat(this.value.y, ", ").concat(this.value.z, ")");
                case Op.Vector4:
                    return "vec4(".concat(this.value.x, ", ").concat(this.value.y, ", ").concat(this.value.z, ", ").concat(this.value.w, ")");
                case Op.Color3:
                    return L.Color3[0].set(this.value.r, this.value.g, this.value.b),
                    this.convertToGammaSpace && L.Color3[0].toGammaSpaceToRef(L.Color3[0]),
                    this.convertToLinearSpace && L.Color3[0].toLinearSpaceToRef(L.Color3[0]),
                    "vec3(".concat(L.Color3[0].r, ", ").concat(L.Color3[0].g, ", ").concat(L.Color3[0].b, ")");
                case Op.Color4:
                    return L.Color4[0].set(this.value.r, this.value.g, this.value.b, this.value.a),
                    this.convertToGammaSpace && L.Color4[0].toGammaSpaceToRef(L.Color4[0]),
                    this.convertToLinearSpace && L.Color4[0].toLinearSpaceToRef(L.Color4[0]),
                    "vec4(".concat(L.Color4[0].r, ", ").concat(L.Color4[0].g, ", ").concat(L.Color4[0].b, ", ").concat(L.Color4[0].a, ")")
                }
                return ""
            }
            ,
            Object.defineProperty(t.prototype, "_noContextSwitch", {
                get: function() {
                    return $p[this.name]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._emit = function(e, t) {
                var i;
                if (this.isUniform) {
                    if (this.associatedVariableName || (this.associatedVariableName = e._getFreeVariableName("u_" + this.name)),
                    this.isConstant) {
                        if (-1 !== e.constants.indexOf(this.associatedVariableName))
                            return;
                        return e.constants.push(this.associatedVariableName),
                        void (e._constantDeclaration += this._declareOutput(this.output, e) + " = ".concat(this._emitConstant(e), ";\r\n"))
                    }
                    if (-1 !== e.uniforms.indexOf(this.associatedVariableName))
                        return;
                    e.uniforms.push(this.associatedVariableName),
                    t && (e._uniformDeclaration += this._emitDefine(t)),
                    e._uniformDeclaration += "uniform ".concat(e._getGLType(this.type), " ").concat(this.associatedVariableName, ";\r\n"),
                    t && (e._uniformDeclaration += "#endif\r\n");
                    var n = e.sharedData.hints;
                    if (null !== this._systemValue && void 0 !== this._systemValue)
                        switch (this._systemValue) {
                        case Qp.WorldView:
                            n.needWorldViewMatrix = !0;
                            break;
                        case Qp.WorldViewProjection:
                            n.needWorldViewProjectionMatrix = !0
                        }
                    else
                        this._animationType !== qp.None && e.sharedData.animatedInputs.push(this)
                } else if (this.isAttribute) {
                    if (this.associatedVariableName = null !== (i = Jp[this.name]) && void 0 !== i ? i : this.name,
                    this.target === Dp.Vertex && e._vertexState)
                        return void ($p[this.name] ? ef[this.name] ? e._emitUniformFromString(this.associatedVariableName, e._getGLType(this.type), t) : e._emitVaryingFromString(this.associatedVariableName, e._getGLType(this.type), t) : this._emit(e._vertexState, t));
                    if (-1 !== e.attributes.indexOf(this.associatedVariableName))
                        return;
                    e.attributes.push(this.associatedVariableName),
                    $p[this.name] ? ef[this.name] ? e._emitUniformFromString(this.associatedVariableName, e._getGLType(this.type), t) : e._emitVaryingFromString(this.associatedVariableName, e._getGLType(this.type), t) : (t && (e._attributeDeclaration += this._emitDefine(t)),
                    e._attributeDeclaration += "attribute ".concat(e._getGLType(this.type), " ").concat(this.associatedVariableName, ";\r\n"),
                    t && (e._attributeDeclaration += "#endif\r\n"))
                }
            }
            ,
            t.prototype._transmitWorld = function(e, t, i, n) {
                if (this._systemValue) {
                    var r = this.associatedVariableName;
                    switch (this._systemValue) {
                    case Qp.World:
                        e.setMatrix(r, t);
                        break;
                    case Qp.WorldView:
                        e.setMatrix(r, i);
                        break;
                    case Qp.WorldViewProjection:
                        e.setMatrix(r, n)
                    }
                }
            }
            ,
            t.prototype._transmit = function(e, t, i) {
                if (!this.isAttribute) {
                    var n = this.associatedVariableName;
                    if (this._systemValue)
                        switch (this._systemValue) {
                        case Qp.World:
                        case Qp.WorldView:
                        case Qp.WorldViewProjection:
                            return;
                        case Qp.View:
                            e.setMatrix(n, t.getViewMatrix());
                            break;
                        case Qp.Projection:
                            e.setMatrix(n, t.getProjectionMatrix());
                            break;
                        case Qp.ViewProjection:
                            e.setMatrix(n, t.getTransformMatrix());
                            break;
                        case Qp.CameraPosition:
                            t.bindEyePosition(e, n, !0);
                            break;
                        case Qp.FogColor:
                            e.setColor3(n, t.fogColor);
                            break;
                        case Qp.DeltaTime:
                            e.setFloat(n, t.deltaTime / 1e3);
                            break;
                        case Qp.CameraParameters:
                            t.activeCamera && e.setFloat4(n, t.getEngine().hasOriginBottomLeft ? -1 : 1, t.activeCamera.minZ, t.activeCamera.maxZ, 1 / t.activeCamera.maxZ);
                            break;
                        case Qp.MaterialAlpha:
                            e.setFloat(n, i.alpha)
                        }
                    else {
                        var r = this._valueCallback ? this._valueCallback() : this._storedValue;
                        if (null !== r)
                            switch (this.type) {
                            case Op.Float:
                                e.setFloat(n, r);
                                break;
                            case Op.Int:
                                e.setInt(n, r);
                                break;
                            case Op.Color3:
                                L.Color3[0].set(this.value.r, this.value.g, this.value.b),
                                this.convertToGammaSpace && L.Color3[0].toGammaSpaceToRef(L.Color3[0]),
                                this.convertToLinearSpace && L.Color3[0].toLinearSpaceToRef(L.Color3[0]),
                                e.setColor3(n, L.Color3[0]);
                                break;
                            case Op.Color4:
                                L.Color4[0].set(this.value.r, this.value.g, this.value.b, this.value.a),
                                this.convertToGammaSpace && L.Color4[0].toGammaSpaceToRef(L.Color4[0]),
                                this.convertToLinearSpace && L.Color4[0].toLinearSpaceToRef(L.Color4[0]),
                                e.setDirectColor4(n, L.Color4[0]);
                                break;
                            case Op.Vector2:
                                e.setVector2(n, r);
                                break;
                            case Op.Vector3:
                                e.setVector3(n, r);
                                break;
                            case Op.Vector4:
                                e.setVector4(n, r);
                                break;
                            case Op.Matrix:
                                e.setMatrix(n, r)
                            }
                    }
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t),
                (this.isUniform || this.isSystemValue) && t.sharedData.inputBlocks.push(this),
                this._emit(t)
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = this._codeVariableName;
                if (this.isAttribute)
                    return e.prototype._dumpPropertiesCode.call(this) + "".concat(t, '.setAsAttribute("').concat(this.name, '");\r\n');
                if (this.isSystemValue)
                    return e.prototype._dumpPropertiesCode.call(this) + "".concat(t, ".setAsSystemValue(BABYLON.NodeMaterialSystemValues.").concat(Qp[this._systemValue], ");\r\n");
                if (this.isUniform) {
                    var i = []
                      , n = "";
                    switch (this.type) {
                    case Op.Float:
                        n = "".concat(this.value);
                        break;
                    case Op.Vector2:
                        n = "new BABYLON.Vector2(".concat(this.value.x, ", ").concat(this.value.y, ")");
                        break;
                    case Op.Vector3:
                        n = "new BABYLON.Vector3(".concat(this.value.x, ", ").concat(this.value.y, ", ").concat(this.value.z, ")");
                        break;
                    case Op.Vector4:
                        n = "new BABYLON.Vector4(".concat(this.value.x, ", ").concat(this.value.y, ", ").concat(this.value.z, ", ").concat(this.value.w, ")");
                        break;
                    case Op.Color3:
                        n = "new BABYLON.Color3(".concat(this.value.r, ", ").concat(this.value.g, ", ").concat(this.value.b, ")"),
                        this.convertToGammaSpace && (n += ".toGammaSpace()"),
                        this.convertToLinearSpace && (n += ".toLinearSpace()");
                        break;
                    case Op.Color4:
                        n = "new BABYLON.Color4(".concat(this.value.r, ", ").concat(this.value.g, ", ").concat(this.value.b, ", ").concat(this.value.a, ")"),
                        this.convertToGammaSpace && (n += ".toGammaSpace()"),
                        this.convertToLinearSpace && (n += ".toLinearSpace()");
                        break;
                    case Op.Matrix:
                        n = "BABYLON.Matrix.FromArray([".concat(this.value.m, "])")
                    }
                    return i.push("".concat(t, ".value = ").concat(n)),
                    this.type === Op.Float && i.push("".concat(t, ".min = ").concat(this.min), "".concat(t, ".max = ").concat(this.max), "".concat(t, ".isBoolean = ").concat(this.isBoolean), "".concat(t, ".matrixMode = ").concat(this.matrixMode), "".concat(t, ".animationType = BABYLON.AnimatedInputBlockTypes.").concat(qp[this.animationType])),
                    i.push("".concat(t, ".isConstant = ").concat(this.isConstant)),
                    i.push(""),
                    e.prototype._dumpPropertiesCode.call(this) + i.join(";\r\n")
                }
                return e.prototype._dumpPropertiesCode.call(this)
            }
            ,
            t.prototype.dispose = function() {
                this.onValueChangedObservable.clear(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.type = this.type,
                t.mode = this._mode,
                t.systemValue = this._systemValue,
                t.animationType = this._animationType,
                t.min = this.min,
                t.max = this.max,
                t.isBoolean = this.isBoolean,
                t.matrixMode = this.matrixMode,
                t.isConstant = this.isConstant,
                t.groupInInspector = this.groupInInspector,
                t.convertToGammaSpace = this.convertToGammaSpace,
                t.convertToLinearSpace = this.convertToLinearSpace,
                null != this._storedValue && this._mode === Kp.Uniform && (this._storedValue.asArray ? (t.valueType = "BABYLON." + this._storedValue.getClassName(),
                t.value = this._storedValue.asArray()) : (t.valueType = "number",
                t.value = this._storedValue)),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                if (this._mode = t.mode,
                e.prototype._deserialize.call(this, t, i, n),
                this._type = t.type,
                this._systemValue = t.systemValue || t.wellKnownValue,
                this._animationType = t.animationType,
                this.min = t.min || 0,
                this.max = t.max || 0,
                this.isBoolean = !!t.isBoolean,
                this.matrixMode = t.matrixMode || 0,
                this.isConstant = !!t.isConstant,
                this.groupInInspector = t.groupInInspector || "",
                this.convertToGammaSpace = !!t.convertToGammaSpace,
                this.convertToLinearSpace = !!t.convertToLinearSpace,
                t.valueType)
                    if ("number" === t.valueType)
                        this._storedValue = t.value;
                    else {
                        var r = b(t.valueType);
                        r && (this._storedValue = r.FromArray(t.value))
                    }
            }
            ,
            t
        }(Wp);
        y("BABYLON.InputBlock", tf);
        var nf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment) || this;
                return i._samplerName = "textureSampler",
                i.convertToGammaSpace = !1,
                i.convertToLinearSpace = !1,
                i._isUnique = !1,
                i.registerInput("uv", Op.Vector2, !1, Dp.VertexAndFragment),
                i.registerOutput("rgba", Op.Color4, Dp.Neutral),
                i.registerOutput("rgb", Op.Color3, Dp.Neutral),
                i.registerOutput("r", Op.Float, Dp.Neutral),
                i.registerOutput("g", Op.Float, Dp.Neutral),
                i.registerOutput("b", Op.Float, Dp.Neutral),
                i.registerOutput("a", Op.Float, Dp.Neutral),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0]._prioritizeVertex = !1,
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "CurrentScreenBlock"
            }
            ,
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("textureSampler")
            }
            ,
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    return this.uv.isConnected ? this.uv.sourceBlock.isInput ? Dp.VertexAndFragment : Dp.Fragment : Dp.VertexAndFragment
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.prepareDefines = function(e, t, i) {
                i.setValue(this._linearDefineName, this.convertToGammaSpace, !0),
                i.setValue(this._gammaDefineName, this.convertToLinearSpace, !0)
            }
            ,
            t.prototype.isReady = function() {
                return !(this.texture && !this.texture.isReadyOrNotBlocking())
            }
            ,
            t.prototype._injectVertexCode = function(e) {
                var t = this.uv;
                if (t.connectedPoint.ownerBlock.isInput && (t.connectedPoint.ownerBlock.isAttribute || e._emitUniformFromString(t.associatedVariableName, "vec2")),
                this._mainUVName = "vMain" + t.associatedVariableName,
                e._emitVaryingFromString(this._mainUVName, "vec2"),
                e.compilationString += "".concat(this._mainUVName, " = ").concat(t.associatedVariableName, ".xy;\r\n"),
                this._outputs.some((function(e) {
                    return e.isConnectedInVertexShader
                }
                ))) {
                    this._writeTextureRead(e, !0);
                    for (var i = 0, n = this._outputs; i < n.length; i++) {
                        var r = n[i];
                        r.hasEndpoints && this._writeOutput(e, r, r.name, !0)
                    }
                }
            }
            ,
            t.prototype._writeTextureRead = function(e, t) {
                void 0 === t && (t = !1);
                var i = this.uv;
                if (t) {
                    if (e.target === Dp.Fragment)
                        return;
                    e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(i.associatedVariableName, ");\r\n")
                } else
                    this.uv.ownerBlock.target !== Dp.Fragment ? e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(this._mainUVName, ");\r\n") : e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(i.associatedVariableName, ");\r\n")
            }
            ,
            t.prototype._writeOutput = function(e, t, i, n) {
                if (void 0 === n && (n = !1),
                n) {
                    if (e.target === Dp.Fragment)
                        return;
                    e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n")
                } else
                    this.uv.ownerBlock.target !== Dp.Fragment ? (e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n"),
                    e.compilationString += "#ifdef ".concat(this._linearDefineName, "\r\n"),
                    e.compilationString += "".concat(t.associatedVariableName, " = toGammaSpace(").concat(t.associatedVariableName, ");\r\n"),
                    e.compilationString += "#endif\r\n",
                    e.compilationString += "#ifdef ".concat(this._gammaDefineName, "\r\n"),
                    e.compilationString += "".concat(t.associatedVariableName, " = toLinearSpace(").concat(t.associatedVariableName, ");\r\n"),
                    e.compilationString += "#endif\r\n") : e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n")
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this._tempTextureRead = t._getFreeVariableName("tempTextureRead"),
                t.sharedData.blockingBlocks.indexOf(this) < 0 && t.sharedData.blockingBlocks.push(this),
                t.sharedData.textureBlocks.indexOf(this) < 0 && t.sharedData.textureBlocks.push(this),
                t.sharedData.blocksWithDefines.indexOf(this) < 0 && t.sharedData.blocksWithDefines.push(this),
                t.target !== Dp.Fragment)
                    return t._emit2DSampler(this._samplerName),
                    void this._injectVertexCode(t);
                if (this._outputs.some((function(e) {
                    return e.isConnectedInFragmentShader
                }
                ))) {
                    t._emit2DSampler(this._samplerName),
                    this._linearDefineName = t._getFreeDefineName("ISLINEAR"),
                    this._gammaDefineName = t._getFreeDefineName("ISGAMMA");
                    var i = "//".concat(this.name);
                    t._emitFunctionFromInclude("helperFunctions", i),
                    this._writeTextureRead(t);
                    for (var n = 0, r = this._outputs; n < r.length; n++) {
                        var o = r[n];
                        o.hasEndpoints && this._writeOutput(t, o, o.name)
                    }
                    return this
                }
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.convertToGammaSpace = this.convertToGammaSpace,
                t.convertToLinearSpace = this.convertToLinearSpace,
                this.texture && !this.texture.isRenderTarget && (t.texture = this.texture.serialize()),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.convertToGammaSpace = t.convertToGammaSpace,
                this.convertToLinearSpace = !!t.convertToLinearSpace,
                t.texture && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                this.texture = io.Parse(t.texture, i, n))
            }
            ,
            t
        }(Wp);
        y("BABYLON.CurrentScreenBlock", nf);
        var rf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i._samplerName = "diffuseSampler",
                i.convertToGammaSpace = !1,
                i.convertToLinearSpace = !1,
                i._isUnique = !1,
                i.registerInput("uv", Op.Vector2, !1, Dp.VertexAndFragment),
                i.registerOutput("rgba", Op.Color4, Dp.Neutral),
                i.registerOutput("rgb", Op.Color3, Dp.Neutral),
                i.registerOutput("r", Op.Float, Dp.Neutral),
                i.registerOutput("g", Op.Float, Dp.Neutral),
                i.registerOutput("b", Op.Float, Dp.Neutral),
                i.registerOutput("a", Op.Float, Dp.Neutral),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ParticleTextureBlock"
            }
            ,
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("diffuseSampler")
            }
            ,
            t.prototype.autoConfigure = function(e) {
                if (!this.uv.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "particle_uv" === e.name
                    }
                    ));
                    t || (t = new tf("uv")).setAsAttribute("particle_uv"),
                    t.output.connectTo(this.uv)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                i.setValue(this._linearDefineName, this.convertToGammaSpace, !0),
                i.setValue(this._gammaDefineName, this.convertToLinearSpace, !0)
            }
            ,
            t.prototype.isReady = function() {
                return !(this.texture && !this.texture.isReadyOrNotBlocking())
            }
            ,
            t.prototype._writeOutput = function(e, t, i) {
                e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n"),
                e.compilationString += "#ifdef ".concat(this._linearDefineName, "\r\n"),
                e.compilationString += "".concat(t.associatedVariableName, " = toGammaSpace(").concat(t.associatedVariableName, ");\r\n"),
                e.compilationString += "#endif\r\n",
                e.compilationString += "#ifdef ".concat(this._gammaDefineName, "\r\n"),
                e.compilationString += "".concat(t.associatedVariableName, " = toLinearSpace(").concat(t.associatedVariableName, ");\r\n"),
                e.compilationString += "#endif\r\n"
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target !== Dp.Vertex) {
                    this._tempTextureRead = t._getFreeVariableName("tempTextureRead"),
                    t._emit2DSampler(this._samplerName),
                    t.sharedData.blockingBlocks.push(this),
                    t.sharedData.textureBlocks.push(this),
                    t.sharedData.blocksWithDefines.push(this),
                    this._linearDefineName = t._getFreeDefineName("ISLINEAR"),
                    this._gammaDefineName = t._getFreeDefineName("ISGAMMA");
                    var i = "//".concat(this.name);
                    t._emitFunctionFromInclude("helperFunctions", i),
                    t.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(this.uv.associatedVariableName, ");\r\n");
                    for (var n = 0, r = this._outputs; n < r.length; n++) {
                        var o = r[n];
                        o.hasEndpoints && this._writeOutput(t, o, o.name)
                    }
                    return this
                }
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.convertToGammaSpace = this.convertToGammaSpace,
                t.convertToLinearSpace = this.convertToLinearSpace,
                this.texture && !this.texture.isRenderTarget && (t.texture = this.texture.serialize()),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.convertToGammaSpace = t.convertToGammaSpace,
                this.convertToLinearSpace = !!t.convertToLinearSpace,
                t.texture && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                this.texture = io.Parse(t.texture, i, n))
            }
            ,
            t
        }(Wp);
        y("BABYLON.ParticleTextureBlock", rf);
        var of = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i._isUnique = !0,
                i.registerInput("color", Op.Color4, !1, Dp.Fragment),
                i.registerOutput("rampColor", Op.Color4, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ParticleRampGradientBlock"
            }
            ,
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rampColor", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("remapRanges"),
                e._excludeVariableName("rampSampler"),
                e._excludeVariableName("baseColor"),
                e._excludeVariableName("alpha"),
                e._excludeVariableName("remappedColorIndex"),
                e._excludeVariableName("rampColor"),
                e._excludeVariableName("finalAlpha")
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target !== Dp.Vertex)
                    return t._emit2DSampler("rampSampler"),
                    t._emitVaryingFromString("remapRanges", "vec4", "RAMPGRADIENT"),
                    t.compilationString += "\n            #ifdef RAMPGRADIENT\n                vec4 baseColor = ".concat(this.color.associatedVariableName, ";\n                float alpha = ").concat(this.color.associatedVariableName, ".a;\n\n                float remappedColorIndex = clamp((alpha - remapRanges.x) / remapRanges.y, 0.0, 1.0);\n\n                vec4 rampColor = texture2D(rampSampler, vec2(1.0 - remappedColorIndex, 0.));\n                baseColor.rgb *= rampColor.rgb;\n\n                // Remapped alpha\n                float finalAlpha = baseColor.a;\n                baseColor.a = clamp((alpha * rampColor.a - remapRanges.z) / remapRanges.w, 0.0, 1.0);\n\n                ").concat(this._declareOutput(this.rampColor, t), " = baseColor;\n            #else\n                ").concat(this._declareOutput(this.rampColor, t), " = ").concat(this.color.associatedVariableName, ";\n            #endif\n        "),
                    this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ParticleRampGradientBlock", of);
        var af = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i._isUnique = !0,
                i.registerInput("color", Op.Color4, !1, Dp.Fragment),
                i.registerInput("alphaTexture", Op.Float, !1, Dp.Fragment),
                i.registerInput("alphaColor", Op.Float, !1, Dp.Fragment),
                i.registerOutput("blendColor", Op.Color4, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ParticleBlendMultiplyBlock"
            }
            ,
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "alphaTexture", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "alphaColor", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blendColor", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("sourceAlpha")
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target !== Dp.Vertex)
                    return t.compilationString += "\n            #ifdef BLENDMULTIPLYMODE\n                ".concat(this._declareOutput(this.blendColor, t), ";\n                float sourceAlpha = ").concat(this.alphaColor.associatedVariableName, " * ").concat(this.alphaTexture.associatedVariableName, ";\n                ").concat(this.blendColor.associatedVariableName, ".rgb = ").concat(this.color.associatedVariableName, ".rgb * sourceAlpha + vec3(1.0) * (1.0 - sourceAlpha);\n                ").concat(this.blendColor.associatedVariableName, ".a = ").concat(this.color.associatedVariableName, ".a;\n            #else\n                ").concat(this._declareOutput(this.blendColor, t), " = ").concat(this.color.associatedVariableName, ";\n            #endif\n        "),
                    this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ParticleBlendMultiplyBlock", af);
        var sf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.xSwizzle = "x",
                i.ySwizzle = "y",
                i.zSwizzle = "z",
                i.wSwizzle = "w",
                i.registerInput("xyzw ", Op.Vector4, !0),
                i.registerInput("xyz ", Op.Vector3, !0),
                i.registerInput("xy ", Op.Vector2, !0),
                i.registerInput("zw ", Op.Vector2, !0),
                i.registerInput("x", Op.Float, !0),
                i.registerInput("y", Op.Float, !0),
                i.registerInput("z", Op.Float, !0),
                i.registerInput("w", Op.Float, !0),
                i.registerOutput("xyzw", Op.Vector4),
                i.registerOutput("xyz", Op.Vector3),
                i.registerOutput("xy", Op.Vector2),
                i.registerOutput("zw", Op.Vector2),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VectorMergerBlock"
            }
            ,
            Object.defineProperty(t.prototype, "xyzwIn", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzIn", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyIn", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "zwIn", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "z", {
                get: function() {
                    return this._inputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "w", {
                get: function() {
                    return this._inputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzw", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzOut", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyOut", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "zwOut", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xy", {
                get: function() {
                    return this.xyOut
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyz", {
                get: function() {
                    return this.xyzOut
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._inputRename = function(e) {
                return "xyzw " === e ? "xyzwIn" : "xyz " === e ? "xyzIn" : "xy " === e ? "xyIn" : "zw " === e ? "zwIn" : e
            }
            ,
            t.prototype._buildSwizzle = function(e) {
                return "." + (this.xSwizzle + this.ySwizzle + this.zSwizzle + this.wSwizzle).substr(0, e)
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.x
                  , n = this.y
                  , r = this.z
                  , o = this.w
                  , a = this.xyIn
                  , s = this.zwIn
                  , l = this.xyzIn
                  , c = this.xyzwIn
                  , u = this._outputs[0]
                  , h = this._outputs[1]
                  , d = this._outputs[2]
                  , p = this._outputs[3];
                return c.isConnected ? (u.hasEndpoints && (t.compilationString += this._declareOutput(u, t) + " = ".concat(c.associatedVariableName).concat(this._buildSwizzle(4), ";\r\n")),
                h.hasEndpoints && (t.compilationString += this._declareOutput(h, t) + " = ".concat(c.associatedVariableName).concat(this._buildSwizzle(3), ";\r\n")),
                d.hasEndpoints && (t.compilationString += this._declareOutput(d, t) + " = ".concat(c.associatedVariableName).concat(this._buildSwizzle(2), ";\r\n"))) : l.isConnected ? (u.hasEndpoints && (t.compilationString += this._declareOutput(u, t) + " = vec4(".concat(l.associatedVariableName, ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(4), ";\r\n")),
                h.hasEndpoints && (t.compilationString += this._declareOutput(h, t) + " = ".concat(l.associatedVariableName).concat(this._buildSwizzle(3), ";\r\n")),
                d.hasEndpoints && (t.compilationString += this._declareOutput(d, t) + " = ".concat(l.associatedVariableName).concat(this._buildSwizzle(2), ";\r\n"))) : a.isConnected ? (u.hasEndpoints && (s.isConnected ? t.compilationString += this._declareOutput(u, t) + " = vec4(".concat(a.associatedVariableName, ", ").concat(s.associatedVariableName, ")").concat(this._buildSwizzle(4), ";\r\n") : t.compilationString += this._declareOutput(u, t) + " = vec4(".concat(a.associatedVariableName, ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(4), ";\r\n")),
                h.hasEndpoints && (t.compilationString += this._declareOutput(h, t) + " = vec3(".concat(a.associatedVariableName, ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ")").concat(this._buildSwizzle(3), ";\r\n")),
                d.hasEndpoints && (t.compilationString += this._declareOutput(d, t) + " = ".concat(a.associatedVariableName).concat(this._buildSwizzle(2), ";\r\n")),
                p.hasEndpoints && (s.isConnected ? t.compilationString += this._declareOutput(p, t) + " = ".concat(s.associatedVariableName).concat(this._buildSwizzle(2), ";\r\n") : t.compilationString += this._declareOutput(p, t) + " = vec2(".concat(r.isConnected ? this._writeVariable(r) : "0.0", ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(2), ";\r\n"))) : (u.hasEndpoints && (s.isConnected ? t.compilationString += this._declareOutput(u, t) + " = vec4(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ", ").concat(s.associatedVariableName, ")").concat(this._buildSwizzle(4), ";\r\n") : t.compilationString += this._declareOutput(u, t) + " = vec4(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(4), ";\r\n")),
                h.hasEndpoints && (t.compilationString += this._declareOutput(h, t) + " = vec3(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ")").concat(this._buildSwizzle(3), ";\r\n")),
                d.hasEndpoints && (t.compilationString += this._declareOutput(d, t) + " = vec2(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ")").concat(this._buildSwizzle(2), ";\r\n")),
                p.hasEndpoints && (s.isConnected ? t.compilationString += this._declareOutput(p, t) + " = ".concat(s.associatedVariableName).concat(this._buildSwizzle(2), ";\r\n") : t.compilationString += this._declareOutput(p, t) + " = vec2(".concat(r.isConnected ? this._writeVariable(r) : "0.0", ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(2), ";\r\n"))),
                this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.xSwizzle = this.xSwizzle,
                t.ySwizzle = this.ySwizzle,
                t.zSwizzle = this.zSwizzle,
                t.wSwizzle = this.wSwizzle,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r, o, a, s;
                e.prototype._deserialize.call(this, t, i, n),
                this.xSwizzle = null !== (r = t.xSwizzle) && void 0 !== r ? r : "x",
                this.ySwizzle = null !== (o = t.ySwizzle) && void 0 !== o ? o : "y",
                this.zSwizzle = null !== (a = t.zSwizzle) && void 0 !== a ? a : "z",
                this.wSwizzle = null !== (s = t.wSwizzle) && void 0 !== s ? s : "w"
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return t += "".concat(this._codeVariableName, '.xSwizzle = "').concat(this.xSwizzle, '";\r\n'),
                t += "".concat(this._codeVariableName, '.ySwizzle = "').concat(this.ySwizzle, '";\r\n'),
                (t += "".concat(this._codeVariableName, '.zSwizzle = "').concat(this.zSwizzle, '";\r\n')) + "".concat(this._codeVariableName, '.wSwizzle = "').concat(this.wSwizzle, '";\r\n')
            }
            ,
            t
        }(Wp);
        y("BABYLON.VectorMergerBlock", sf);
        var lf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.sourceRange = new A(-1,1),
                i.targetRange = new A(0,1),
                i.registerInput("input", Op.AutoDetect),
                i.registerInput("sourceMin", Op.Float, !0),
                i.registerInput("sourceMax", Op.Float, !0),
                i.registerInput("targetMin", Op.Float, !0),
                i.registerInput("targetMax", Op.Float, !0),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "RemapBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sourceMin", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sourceMax", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "targetMin", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "targetMax", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this.sourceMin.isConnected ? this.sourceMin.associatedVariableName : this._writeFloat(this.sourceRange.x)
                  , r = this.sourceMax.isConnected ? this.sourceMax.associatedVariableName : this._writeFloat(this.sourceRange.y)
                  , o = this.targetMin.isConnected ? this.targetMin.associatedVariableName : this._writeFloat(this.targetRange.x)
                  , a = this.targetMax.isConnected ? this.targetMax.associatedVariableName : this._writeFloat(this.targetRange.y);
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(o, " + (").concat(this._inputs[0].associatedVariableName, " - ").concat(n, ") * (").concat(a, " - ").concat(o, ") / (").concat(r, " - ").concat(n, ");\r\n"),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".sourceRange = new BABYLON.Vector2(").concat(this.sourceRange.x, ", ").concat(this.sourceRange.y, ");\r\n") + "".concat(this._codeVariableName, ".targetRange = new BABYLON.Vector2(").concat(this.targetRange.x, ", ").concat(this.targetRange.y, ");\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.sourceRange = this.sourceRange.asArray(),
                t.targetRange = this.targetRange.asArray(),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.sourceRange = A.FromArray(t.sourceRange),
                this.targetRange = A.FromArray(t.targetRange)
            }
            ,
            k([Yp("From", Xp.Vector2)], t.prototype, "sourceRange", void 0),
            k([Yp("To", Xp.Vector2)], t.prototype, "targetRange", void 0),
            t
        }(Wp);
        y("BABYLON.RemapBlock", lf);
        var cf, uf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "MultiplyBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(this.left.associatedVariableName, " * ").concat(this.right.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.MultiplyBlock", uf),
        function(e) {
            e[e.Material = 0] = "Material",
            e[e.PostProcess = 1] = "PostProcess",
            e[e.Particle = 2] = "Particle",
            e[e.ProceduralTexture = 3] = "ProceduralTexture"
        }(cf || (cf = {}));
        var hf = function() {
            function e() {
                this.direction1 = new x(0,1,0),
                this.direction2 = new x(0,1,0),
                this.minEmitBox = new x(-.5,-.5,-.5),
                this.maxEmitBox = new x(.5,.5,.5)
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n) {
                var r = d.RandomRange(this.direction1.x, this.direction2.x)
                  , o = d.RandomRange(this.direction1.y, this.direction2.y)
                  , a = d.RandomRange(this.direction1.z, this.direction2.z);
                if (n)
                    return t.x = r,
                    t.y = o,
                    void (t.z = a);
                x.TransformNormalFromFloatsToRef(r, o, a, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r = d.RandomRange(this.minEmitBox.x, this.maxEmitBox.x)
                  , o = d.RandomRange(this.minEmitBox.y, this.maxEmitBox.y)
                  , a = d.RandomRange(this.minEmitBox.z, this.maxEmitBox.z);
                if (n)
                    return t.x = r,
                    t.y = o,
                    void (t.z = a);
                x.TransformCoordinatesFromFloatsToRef(r, o, a, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setVector3("direction1", this.direction1),
                e.setVector3("direction2", this.direction2),
                e.setVector3("minEmitBox", this.minEmitBox),
                e.setVector3("maxEmitBox", this.maxEmitBox)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("direction1", 3),
                e.addUniform("direction2", 3),
                e.addUniform("minEmitBox", 3),
                e.addUniform("maxEmitBox", 3)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return "#define BOXEMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "BoxParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.direction1 = this.direction1.asArray(),
                e.direction2 = this.direction2.asArray(),
                e.minEmitBox = this.minEmitBox.asArray(),
                e.maxEmitBox = this.maxEmitBox.asArray(),
                e
            }
            ,
            e.prototype.parse = function(e) {
                x.FromArrayToRef(e.direction1, 0, this.direction1),
                x.FromArrayToRef(e.direction2, 0, this.direction2),
                x.FromArrayToRef(e.minEmitBox, 0, this.minEmitBox),
                x.FromArrayToRef(e.maxEmitBox, 0, this.maxEmitBox)
            }
            ,
            e
        }()
          , df = function() {
            function e(e, t, i) {
                void 0 === e && (e = 1),
                void 0 === t && (t = Math.PI),
                void 0 === i && (i = 0),
                this.directionRandomizer = i,
                this.radiusRange = 1,
                this.heightRange = 1,
                this.emitFromSpawnPointOnly = !1,
                this.angle = t,
                this.radius = e
            }
            return Object.defineProperty(e.prototype, "radius", {
                get: function() {
                    return this._radius
                },
                set: function(e) {
                    this._radius = e,
                    this._buildHeight()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "angle", {
                get: function() {
                    return this._angle
                },
                set: function(e) {
                    this._angle = e,
                    this._buildHeight()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._buildHeight = function() {
                0 !== this._angle ? this._height = this._radius / Math.tan(this._angle / 2) : this._height = 1
            }
            ,
            e.prototype.startDirectionFunction = function(e, t, i, n) {
                n ? I.Vector3[0].copyFrom(i._localPosition).normalize() : i.position.subtractToRef(e.getTranslation(), I.Vector3[0]).normalize();
                var r = d.RandomRange(0, this.directionRandomizer)
                  , o = d.RandomRange(0, this.directionRandomizer)
                  , a = d.RandomRange(0, this.directionRandomizer);
                t.x = I.Vector3[0].x + r,
                t.y = I.Vector3[0].y + o,
                t.z = I.Vector3[0].z + a,
                t.normalize()
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r, o = d.RandomRange(0, 2 * Math.PI);
                r = this.emitFromSpawnPointOnly ? 1e-4 : 1 - (r = d.RandomRange(0, this.heightRange)) * r;
                var a = this._radius - d.RandomRange(0, this._radius * this.radiusRange)
                  , s = (a *= r) * Math.sin(o)
                  , l = a * Math.cos(o)
                  , c = r * this._height;
                if (n)
                    return t.x = s,
                    t.y = c,
                    void (t.z = l);
                x.TransformCoordinatesFromFloatsToRef(s, c, l, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this._radius,this._angle,this.directionRandomizer);
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setFloat2("radius", this._radius, this.radiusRange),
                e.setFloat("coneAngle", this._angle),
                e.setFloat2("height", this._height, this.heightRange),
                e.setFloat("directionRandomizer", this.directionRandomizer)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 2),
                e.addUniform("coneAngle", 1),
                e.addUniform("height", 2),
                e.addUniform("directionRandomizer", 1)
            }
            ,
            e.prototype.getEffectDefines = function() {
                var e = "#define CONEEMITTER";
                return this.emitFromSpawnPointOnly && (e += "\n#define CONEEMITTERSPAWNPOINT"),
                e
            }
            ,
            e.prototype.getClassName = function() {
                return "ConeParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.radius = this._radius,
                e.angle = this._angle,
                e.directionRandomizer = this.directionRandomizer,
                e.radiusRange = this.radiusRange,
                e.heightRange = this.heightRange,
                e.emitFromSpawnPointOnly = this.emitFromSpawnPointOnly,
                e
            }
            ,
            e.prototype.parse = function(e) {
                this.radius = e.radius,
                this.angle = e.angle,
                this.directionRandomizer = e.directionRandomizer,
                this.radiusRange = void 0 !== e.radiusRange ? e.radiusRange : 1,
                this.heightRange = void 0 !== e.radiusRange ? e.heightRange : 1,
                this.emitFromSpawnPointOnly = void 0 !== e.emitFromSpawnPointOnly && e.emitFromSpawnPointOnly
            }
            ,
            e
        }()
          , pf = function() {
            function e(e, t, i, n) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1),
                void 0 === i && (i = 1),
                void 0 === n && (n = 0),
                this.radius = e,
                this.height = t,
                this.radiusRange = i,
                this.directionRandomizer = n,
                this._tempVector = x.Zero()
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n, r) {
                i.position.subtractToRef(e.getTranslation(), this._tempVector),
                this._tempVector.normalize(),
                x.TransformNormalToRef(this._tempVector, r, this._tempVector);
                var o = d.RandomRange(-this.directionRandomizer / 2, this.directionRandomizer / 2)
                  , a = Math.atan2(this._tempVector.x, this._tempVector.z);
                a += d.RandomRange(-Math.PI / 2, Math.PI / 2) * this.directionRandomizer,
                this._tempVector.y = o,
                this._tempVector.x = Math.sin(a),
                this._tempVector.z = Math.cos(a),
                this._tempVector.normalize(),
                n ? t.copyFrom(this._tempVector) : x.TransformNormalFromFloatsToRef(this._tempVector.x, this._tempVector.y, this._tempVector.z, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r = d.RandomRange(-this.height / 2, this.height / 2)
                  , o = d.RandomRange(0, 2 * Math.PI)
                  , a = d.RandomRange((1 - this.radiusRange) * (1 - this.radiusRange), 1)
                  , s = Math.sqrt(a) * this.radius
                  , l = s * Math.cos(o)
                  , c = s * Math.sin(o);
                n ? t.copyFromFloats(l, r, c) : x.TransformCoordinatesFromFloatsToRef(l, r, c, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this.radius,this.directionRandomizer);
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setFloat("radius", this.radius),
                e.setFloat("height", this.height),
                e.setFloat("radiusRange", this.radiusRange),
                e.setFloat("directionRandomizer", this.directionRandomizer)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 1),
                e.addUniform("height", 1),
                e.addUniform("radiusRange", 1),
                e.addUniform("directionRandomizer", 1)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return "#define CYLINDEREMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "CylinderParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.radius = this.radius,
                e.height = this.height,
                e.radiusRange = this.radiusRange,
                e.directionRandomizer = this.directionRandomizer,
                e
            }
            ,
            e.prototype.parse = function(e) {
                this.radius = e.radius,
                this.height = e.height,
                this.radiusRange = e.radiusRange,
                this.directionRandomizer = e.directionRandomizer
            }
            ,
            e
        }()
          , ff = function(e) {
            function t(t, i, n, r, o) {
                void 0 === t && (t = 1),
                void 0 === i && (i = 1),
                void 0 === n && (n = 1),
                void 0 === r && (r = new x(0,1,0)),
                void 0 === o && (o = new x(0,1,0));
                var a = e.call(this, t, i, n) || this;
                return a.direction1 = r,
                a.direction2 = o,
                a
            }
            return U(t, e),
            t.prototype.startDirectionFunction = function(e, t) {
                var i = d.RandomRange(this.direction1.x, this.direction2.x)
                  , n = d.RandomRange(this.direction1.y, this.direction2.y)
                  , r = d.RandomRange(this.direction1.z, this.direction2.z);
                x.TransformNormalFromFloatsToRef(i, n, r, e, t)
            }
            ,
            t.prototype.clone = function() {
                var e = new t(this.radius,this.height,this.radiusRange,this.direction1,this.direction2);
                return fe.DeepCopy(this, e),
                e
            }
            ,
            t.prototype.applyToShader = function(e) {
                e.setFloat("radius", this.radius),
                e.setFloat("height", this.height),
                e.setFloat("radiusRange", this.radiusRange),
                e.setVector3("direction1", this.direction1),
                e.setVector3("direction2", this.direction2)
            }
            ,
            t.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 1),
                e.addUniform("height", 1),
                e.addUniform("radiusRange", 1),
                e.addUniform("direction1", 3),
                e.addUniform("direction2", 3)
            }
            ,
            t.prototype.getEffectDefines = function() {
                return "#define CYLINDEREMITTER\n#define DIRECTEDCYLINDEREMITTER"
            }
            ,
            t.prototype.getClassName = function() {
                return "CylinderDirectedParticleEmitter"
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.direction1 = this.direction1.asArray(),
                t.direction2 = this.direction2.asArray(),
                t
            }
            ,
            t.prototype.parse = function(t) {
                e.prototype.parse.call(this, t),
                this.direction1.copyFrom(t.direction1),
                this.direction2.copyFrom(t.direction2)
            }
            ,
            t
        }(pf)
          , _f = function() {
            function e(e, t, i) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1),
                void 0 === i && (i = 0),
                this.radius = e,
                this.radiusRange = t,
                this.directionRandomizer = i
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n) {
                var r = i.position.subtract(e.getTranslation()).normalize()
                  , o = d.RandomRange(0, this.directionRandomizer)
                  , a = d.RandomRange(0, this.directionRandomizer)
                  , s = d.RandomRange(0, this.directionRandomizer);
                r.x += o,
                r.y += a,
                r.z += s,
                r.normalize(),
                n ? t.copyFrom(r) : x.TransformNormalFromFloatsToRef(r.x, r.y, r.z, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r = this.radius - d.RandomRange(0, this.radius * this.radiusRange)
                  , o = d.RandomRange(0, 1)
                  , a = d.RandomRange(0, 2 * Math.PI)
                  , s = Math.acos(2 * o - 1)
                  , l = r * Math.cos(a) * Math.sin(s)
                  , c = r * Math.cos(s)
                  , u = r * Math.sin(a) * Math.sin(s);
                n ? t.copyFromFloats(l, Math.abs(c), u) : x.TransformCoordinatesFromFloatsToRef(l, Math.abs(c), u, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this.radius,this.directionRandomizer);
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setFloat("radius", this.radius),
                e.setFloat("radiusRange", this.radiusRange),
                e.setFloat("directionRandomizer", this.directionRandomizer)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 1),
                e.addUniform("radiusRange", 1),
                e.addUniform("directionRandomizer", 1)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return "#define HEMISPHERICEMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "HemisphericParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.radius = this.radius,
                e.radiusRange = this.radiusRange,
                e.directionRandomizer = this.directionRandomizer,
                e
            }
            ,
            e.prototype.parse = function(e) {
                this.radius = e.radius,
                this.radiusRange = e.radiusRange,
                this.directionRandomizer = e.directionRandomizer
            }
            ,
            e
        }()
          , mf = function() {
            function e() {
                this.direction1 = new x(0,1,0),
                this.direction2 = new x(0,1,0)
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n) {
                var r = d.RandomRange(this.direction1.x, this.direction2.x)
                  , o = d.RandomRange(this.direction1.y, this.direction2.y)
                  , a = d.RandomRange(this.direction1.z, this.direction2.z);
                n ? t.copyFromFloats(r, o, a) : x.TransformNormalFromFloatsToRef(r, o, a, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                n ? t.copyFromFloats(0, 0, 0) : x.TransformCoordinatesFromFloatsToRef(0, 0, 0, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setVector3("direction1", this.direction1),
                e.setVector3("direction2", this.direction2)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("direction1", 3),
                e.addUniform("direction2", 3)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return "#define POINTEMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "PointParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.direction1 = this.direction1.asArray(),
                e.direction2 = this.direction2.asArray(),
                e
            }
            ,
            e.prototype.parse = function(e) {
                x.FromArrayToRef(e.direction1, 0, this.direction1),
                x.FromArrayToRef(e.direction2, 0, this.direction2)
            }
            ,
            e
        }()
          , gf = function() {
            function e(e, t, i) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1),
                void 0 === i && (i = 0),
                this.radius = e,
                this.radiusRange = t,
                this.directionRandomizer = i
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n) {
                var r = i.position.subtract(e.getTranslation()).normalize()
                  , o = d.RandomRange(0, this.directionRandomizer)
                  , a = d.RandomRange(0, this.directionRandomizer)
                  , s = d.RandomRange(0, this.directionRandomizer);
                r.x += o,
                r.y += a,
                r.z += s,
                r.normalize(),
                n ? t.copyFrom(r) : x.TransformNormalFromFloatsToRef(r.x, r.y, r.z, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r = this.radius - d.RandomRange(0, this.radius * this.radiusRange)
                  , o = d.RandomRange(0, 1)
                  , a = d.RandomRange(0, 2 * Math.PI)
                  , s = Math.acos(2 * o - 1)
                  , l = r * Math.cos(a) * Math.sin(s)
                  , c = r * Math.cos(s)
                  , u = r * Math.sin(a) * Math.sin(s);
                n ? t.copyFromFloats(l, c, u) : x.TransformCoordinatesFromFloatsToRef(l, c, u, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this.radius,this.directionRandomizer);
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setFloat("radius", this.radius),
                e.setFloat("radiusRange", this.radiusRange),
                e.setFloat("directionRandomizer", this.directionRandomizer)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 1),
                e.addUniform("radiusRange", 1),
                e.addUniform("directionRandomizer", 1)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return "#define SPHEREEMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "SphereParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e.radius = this.radius,
                e.radiusRange = this.radiusRange,
                e.directionRandomizer = this.directionRandomizer,
                e
            }
            ,
            e.prototype.parse = function(e) {
                this.radius = e.radius,
                this.radiusRange = e.radiusRange,
                this.directionRandomizer = e.directionRandomizer
            }
            ,
            e
        }()
          , vf = function(e) {
            function t(t, i, n) {
                void 0 === t && (t = 1),
                void 0 === i && (i = new x(0,1,0)),
                void 0 === n && (n = new x(0,1,0));
                var r = e.call(this, t) || this;
                return r.direction1 = i,
                r.direction2 = n,
                r
            }
            return U(t, e),
            t.prototype.startDirectionFunction = function(e, t) {
                var i = d.RandomRange(this.direction1.x, this.direction2.x)
                  , n = d.RandomRange(this.direction1.y, this.direction2.y)
                  , r = d.RandomRange(this.direction1.z, this.direction2.z);
                x.TransformNormalFromFloatsToRef(i, n, r, e, t)
            }
            ,
            t.prototype.clone = function() {
                var e = new t(this.radius,this.direction1,this.direction2);
                return fe.DeepCopy(this, e),
                e
            }
            ,
            t.prototype.applyToShader = function(e) {
                e.setFloat("radius", this.radius),
                e.setFloat("radiusRange", this.radiusRange),
                e.setVector3("direction1", this.direction1),
                e.setVector3("direction2", this.direction2)
            }
            ,
            t.prototype.buildUniformLayout = function(e) {
                e.addUniform("radius", 1),
                e.addUniform("radiusRange", 1),
                e.addUniform("direction1", 3),
                e.addUniform("direction2", 3)
            }
            ,
            t.prototype.getEffectDefines = function() {
                return "#define SPHEREEMITTER\n#define DIRECTEDSPHEREEMITTER"
            }
            ,
            t.prototype.getClassName = function() {
                return "SphereDirectedParticleEmitter"
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.direction1 = this.direction1.asArray(),
                t.direction2 = this.direction2.asArray(),
                t
            }
            ,
            t.prototype.parse = function(t) {
                e.prototype.parse.call(this, t),
                this.direction1.copyFrom(t.direction1),
                this.direction2.copyFrom(t.direction2)
            }
            ,
            t
        }(gf)
          , yf = function() {
            function e() {
                this.particlePositionGenerator = function() {}
                ,
                this.particleDestinationGenerator = function() {}
            }
            return e.prototype.startDirectionFunction = function(e, t, i, n) {
                var r = I.Vector3[0];
                if (this.particleDestinationGenerator) {
                    this.particleDestinationGenerator(-1, i, r);
                    var o = I.Vector3[1];
                    r.subtractToRef(i.position, o),
                    o.scaleToRef(1 / i.lifeTime, r)
                } else
                    r.set(0, 0, 0);
                n ? t.copyFrom(r) : x.TransformNormalToRef(r, e, t)
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                var r = I.Vector3[0];
                this.particlePositionGenerator ? this.particlePositionGenerator(-1, i, r) : r.set(0, 0, 0),
                n ? t.copyFrom(r) : x.TransformCoordinatesToRef(r, e, t)
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {}
            ,
            e.prototype.buildUniformLayout = function(e) {}
            ,
            e.prototype.getEffectDefines = function() {
                return "#define CUSTOMEMITTER"
            }
            ,
            e.prototype.getClassName = function() {
                return "CustomParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.type = this.getClassName(),
                e
            }
            ,
            e.prototype.parse = function(e) {}
            ,
            e
        }()
          , bf = function() {
            function e(e) {
                void 0 === e && (e = null),
                this._indices = null,
                this._positions = null,
                this._normals = null,
                this._storedNormal = x.Zero(),
                this._mesh = null,
                this.direction1 = new x(0,1,0),
                this.direction2 = new x(0,1,0),
                this.useMeshNormalsForDirection = !0,
                this.mesh = e
            }
            return Object.defineProperty(e.prototype, "mesh", {
                get: function() {
                    return this._mesh
                },
                set: function(e) {
                    this._mesh !== e && (this._mesh = e,
                    e ? (this._indices = e.getIndices(),
                    this._positions = e.getVerticesData(Bi.PositionKind),
                    this._normals = e.getVerticesData(Bi.NormalKind)) : (this._indices = null,
                    this._positions = null,
                    this._normals = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.startDirectionFunction = function(e, t, i, n) {
                if (this.useMeshNormalsForDirection && this._normals)
                    x.TransformNormalToRef(this._storedNormal, e, t);
                else {
                    var r = d.RandomRange(this.direction1.x, this.direction2.x)
                      , o = d.RandomRange(this.direction1.y, this.direction2.y)
                      , a = d.RandomRange(this.direction1.z, this.direction2.z);
                    n ? t.copyFromFloats(r, o, a) : x.TransformNormalFromFloatsToRef(r, o, a, e, t)
                }
            }
            ,
            e.prototype.startPositionFunction = function(e, t, i, n) {
                if (this._indices && this._positions) {
                    var r = 3 * Math.random() * (this._indices.length / 3) | 0
                      , o = Math.random()
                      , a = Math.random() * (1 - o)
                      , s = 1 - o - a
                      , l = this._indices[r]
                      , c = this._indices[r + 1]
                      , u = this._indices[r + 2]
                      , h = I.Vector3[0]
                      , d = I.Vector3[1]
                      , p = I.Vector3[2]
                      , f = I.Vector3[3];
                    x.FromArrayToRef(this._positions, 3 * l, h),
                    x.FromArrayToRef(this._positions, 3 * c, d),
                    x.FromArrayToRef(this._positions, 3 * u, p),
                    f.x = o * h.x + a * d.x + s * p.x,
                    f.y = o * h.y + a * d.y + s * p.y,
                    f.z = o * h.z + a * d.z + s * p.z,
                    n ? t.copyFromFloats(f.x, f.y, f.z) : x.TransformCoordinatesFromFloatsToRef(f.x, f.y, f.z, e, t),
                    this.useMeshNormalsForDirection && this._normals && (x.FromArrayToRef(this._normals, 3 * l, h),
                    x.FromArrayToRef(this._normals, 3 * c, d),
                    x.FromArrayToRef(this._normals, 3 * u, p),
                    this._storedNormal.x = o * h.x + a * d.x + s * p.x,
                    this._storedNormal.y = o * h.y + a * d.y + s * p.y,
                    this._storedNormal.z = o * h.z + a * d.z + s * p.z)
                }
            }
            ,
            e.prototype.clone = function() {
                var t = new e(this.mesh);
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.applyToShader = function(e) {
                e.setVector3("direction1", this.direction1),
                e.setVector3("direction2", this.direction2)
            }
            ,
            e.prototype.buildUniformLayout = function(e) {
                e.addUniform("direction1", 3),
                e.addUniform("direction2", 3)
            }
            ,
            e.prototype.getEffectDefines = function() {
                return ""
            }
            ,
            e.prototype.getClassName = function() {
                return "MeshParticleEmitter"
            }
            ,
            e.prototype.serialize = function() {
                var e, t = {};
                return t.type = this.getClassName(),
                t.direction1 = this.direction1.asArray(),
                t.direction2 = this.direction2.asArray(),
                t.meshId = null === (e = this.mesh) || void 0 === e ? void 0 : e.id,
                t.useMeshNormalsForDirection = this.useMeshNormalsForDirection,
                t
            }
            ,
            e.prototype.parse = function(e, t) {
                x.FromArrayToRef(e.direction1, 0, this.direction1),
                x.FromArrayToRef(e.direction2, 0, this.direction2),
                e.meshId && t && (this.mesh = t.getLastMeshById(e.meshId)),
                this.useMeshNormalsForDirection = e.useMeshNormalsForDirection
            }
            ,
            e
        }()
          , Tf = function() {
            function e(t) {
                this.animations = [],
                this.renderingGroupId = 0,
                this.emitter = x.Zero(),
                this.emitRate = 10,
                this.manualEmitCount = -1,
                this.updateSpeed = .01,
                this.targetStopDuration = 0,
                this.disposeOnStop = !1,
                this.minEmitPower = 1,
                this.maxEmitPower = 1,
                this.minLifeTime = 1,
                this.maxLifeTime = 1,
                this.minSize = 1,
                this.maxSize = 1,
                this.minScaleX = 1,
                this.maxScaleX = 1,
                this.minScaleY = 1,
                this.maxScaleY = 1,
                this.minInitialRotation = 0,
                this.maxInitialRotation = 0,
                this.minAngularSpeed = 0,
                this.maxAngularSpeed = 0,
                this.layerMask = 268435455,
                this.customShader = null,
                this.preventAutoStart = !1,
                this._rootUrl = "",
                this.noiseStrength = new x(10,10,10),
                this.onAnimationEnd = null,
                this.blendMode = e.BLENDMODE_ONEONE,
                this.forceDepthWrite = !1,
                this.preWarmCycles = 0,
                this.preWarmStepOffset = 1,
                this.spriteCellChangeSpeed = 1,
                this.startSpriteCellID = 0,
                this.endSpriteCellID = 0,
                this.spriteCellWidth = 0,
                this.spriteCellHeight = 0,
                this.spriteCellLoop = !0,
                this.spriteRandomStartCell = !1,
                this.translationPivot = new A(0,0),
                this.beginAnimationOnStart = !1,
                this.beginAnimationFrom = 0,
                this.beginAnimationTo = 60,
                this.beginAnimationLoop = !1,
                this.worldOffset = new x(0,0,0),
                this.gravity = x.Zero(),
                this._colorGradients = null,
                this._sizeGradients = null,
                this._lifeTimeGradients = null,
                this._angularSpeedGradients = null,
                this._velocityGradients = null,
                this._limitVelocityGradients = null,
                this._dragGradients = null,
                this._emitRateGradients = null,
                this._startSizeGradients = null,
                this._rampGradients = null,
                this._colorRemapGradients = null,
                this._alphaRemapGradients = null,
                this.startDelay = 0,
                this.limitVelocityDamping = .4,
                this.color1 = new N(1,1,1,1),
                this.color2 = new N(1,1,1,1),
                this.colorDead = new N(0,0,0,1),
                this.textureMask = new N(1,1,1,1),
                this._isSubEmitter = !1,
                this._billboardMode = a.PARTICLES_BILLBOARDMODE_ALL,
                this._isBillboardBased = !0,
                this._imageProcessingConfigurationDefines = new xi,
                this.id = t,
                this.name = t
            }
            return Object.defineProperty(e.prototype, "noiseTexture", {
                get: function() {
                    return this._noiseTexture
                },
                set: function(e) {
                    this._noiseTexture !== e && (this._noiseTexture = e,
                    this._reset())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isAnimationSheetEnabled", {
                get: function() {
                    return this._isAnimationSheetEnabled
                },
                set: function(e) {
                    this._isAnimationSheetEnabled != e && (this._isAnimationSheetEnabled = e,
                    this._reset())
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            e.prototype._hasTargetStopDurationDependantGradient = function() {
                return this._startSizeGradients && this._startSizeGradients.length > 0 || this._emitRateGradients && this._emitRateGradients.length > 0 || this._lifeTimeGradients && this._lifeTimeGradients.length > 0
            }
            ,
            e.prototype.getDragGradients = function() {
                return this._dragGradients
            }
            ,
            e.prototype.getLimitVelocityGradients = function() {
                return this._limitVelocityGradients
            }
            ,
            e.prototype.getColorGradients = function() {
                return this._colorGradients
            }
            ,
            e.prototype.getSizeGradients = function() {
                return this._sizeGradients
            }
            ,
            e.prototype.getColorRemapGradients = function() {
                return this._colorRemapGradients
            }
            ,
            e.prototype.getAlphaRemapGradients = function() {
                return this._alphaRemapGradients
            }
            ,
            e.prototype.getLifeTimeGradients = function() {
                return this._lifeTimeGradients
            }
            ,
            e.prototype.getAngularSpeedGradients = function() {
                return this._angularSpeedGradients
            }
            ,
            e.prototype.getVelocityGradients = function() {
                return this._velocityGradients
            }
            ,
            e.prototype.getStartSizeGradients = function() {
                return this._startSizeGradients
            }
            ,
            e.prototype.getEmitRateGradients = function() {
                return this._emitRateGradients
            }
            ,
            Object.defineProperty(e.prototype, "direction1", {
                get: function() {
                    return this.particleEmitterType.direction1 ? this.particleEmitterType.direction1 : x.Zero()
                },
                set: function(e) {
                    this.particleEmitterType.direction1 && (this.particleEmitterType.direction1 = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "direction2", {
                get: function() {
                    return this.particleEmitterType.direction2 ? this.particleEmitterType.direction2 : x.Zero()
                },
                set: function(e) {
                    this.particleEmitterType.direction2 && (this.particleEmitterType.direction2 = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "minEmitBox", {
                get: function() {
                    return this.particleEmitterType.minEmitBox ? this.particleEmitterType.minEmitBox : x.Zero()
                },
                set: function(e) {
                    this.particleEmitterType.minEmitBox && (this.particleEmitterType.minEmitBox = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "maxEmitBox", {
                get: function() {
                    return this.particleEmitterType.maxEmitBox ? this.particleEmitterType.maxEmitBox : x.Zero()
                },
                set: function(e) {
                    this.particleEmitterType.maxEmitBox && (this.particleEmitterType.maxEmitBox = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "billboardMode", {
                get: function() {
                    return this._billboardMode
                },
                set: function(e) {
                    this._billboardMode !== e && (this._billboardMode = e,
                    this._reset())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isBillboardBased", {
                get: function() {
                    return this._isBillboardBased
                },
                set: function(e) {
                    this._isBillboardBased !== e && (this._isBillboardBased = e,
                    this._reset())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    this._attachImageProcessingConfiguration(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._attachImageProcessingConfiguration = function(e) {
                e !== this._imageProcessingConfiguration && (!e && this._scene ? this._imageProcessingConfiguration = this._scene.imageProcessingConfiguration : this._imageProcessingConfiguration = e)
            }
            ,
            e.prototype._reset = function() {}
            ,
            e.prototype._removeGradientAndTexture = function(e, t, i) {
                if (!t)
                    return this;
                for (var n = 0, r = 0, o = t; r < o.length; r++) {
                    if (o[r].gradient === e) {
                        t.splice(n, 1);
                        break
                    }
                    n++
                }
                return i && i.dispose(),
                this
            }
            ,
            e.prototype.createPointEmitter = function(e, t) {
                var i = new mf;
                return i.direction1 = e,
                i.direction2 = t,
                this.particleEmitterType = i,
                i
            }
            ,
            e.prototype.createHemisphericEmitter = function(e, t) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1);
                var i = new _f(e,t);
                return this.particleEmitterType = i,
                i
            }
            ,
            e.prototype.createSphereEmitter = function(e, t) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1);
                var i = new gf(e,t);
                return this.particleEmitterType = i,
                i
            }
            ,
            e.prototype.createDirectedSphereEmitter = function(e, t, i) {
                void 0 === e && (e = 1),
                void 0 === t && (t = new x(0,1,0)),
                void 0 === i && (i = new x(0,1,0));
                var n = new vf(e,t,i);
                return this.particleEmitterType = n,
                n
            }
            ,
            e.prototype.createCylinderEmitter = function(e, t, i, n) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1),
                void 0 === i && (i = 1),
                void 0 === n && (n = 0);
                var r = new pf(e,t,i,n);
                return this.particleEmitterType = r,
                r
            }
            ,
            e.prototype.createDirectedCylinderEmitter = function(e, t, i, n, r) {
                void 0 === e && (e = 1),
                void 0 === t && (t = 1),
                void 0 === i && (i = 1),
                void 0 === n && (n = new x(0,1,0)),
                void 0 === r && (r = new x(0,1,0));
                var o = new ff(e,t,i,n,r);
                return this.particleEmitterType = o,
                o
            }
            ,
            e.prototype.createConeEmitter = function(e, t) {
                void 0 === e && (e = 1),
                void 0 === t && (t = Math.PI / 4);
                var i = new df(e,t);
                return this.particleEmitterType = i,
                i
            }
            ,
            e.prototype.createBoxEmitter = function(e, t, i, n) {
                var r = new hf;
                return this.particleEmitterType = r,
                this.direction1 = e,
                this.direction2 = t,
                this.minEmitBox = i,
                this.maxEmitBox = n,
                r
            }
            ,
            e.BLENDMODE_ONEONE = 0,
            e.BLENDMODE_STANDARD = 1,
            e.BLENDMODE_ADD = 2,
            e.BLENDMODE_MULTIPLY = 3,
            e.BLENDMODE_MULTIPLYADD = 4,
            e
        }()
          , Ef = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("rgba", Op.Color4, !0),
                i.registerInput("rgb ", Op.Color3, !0),
                i.registerOutput("rgb", Op.Color3),
                i.registerOutput("r", Op.Float),
                i.registerOutput("g", Op.Float),
                i.registerOutput("b", Op.Float),
                i.registerOutput("a", Op.Float),
                i.inputsAreExclusive = !0,
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ColorSplitterBlock"
            }
            ,
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgbIn", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgbOut", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._inputRename = function(e) {
                return "rgb " === e ? "rgbIn" : e
            }
            ,
            t.prototype._outputRename = function(e) {
                return "rgb" === e ? "rgbOut" : e
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.rgba.isConnected ? this.rgba : this.rgbIn;
                if (i.isConnected) {
                    var n = this._outputs[0]
                      , r = this._outputs[1]
                      , o = this._outputs[2]
                      , a = this._outputs[3]
                      , s = this._outputs[4];
                    return n.hasEndpoints && (t.compilationString += this._declareOutput(n, t) + " = ".concat(i.associatedVariableName, ".rgb;\r\n")),
                    r.hasEndpoints && (t.compilationString += this._declareOutput(r, t) + " = ".concat(i.associatedVariableName, ".r;\r\n")),
                    o.hasEndpoints && (t.compilationString += this._declareOutput(o, t) + " = ".concat(i.associatedVariableName, ".g;\r\n")),
                    a.hasEndpoints && (t.compilationString += this._declareOutput(a, t) + " = ".concat(i.associatedVariableName, ".b;\r\n")),
                    s.hasEndpoints && (t.compilationString += this._declareOutput(s, t) + " = ".concat(i.associatedVariableName, ".a;\r\n")),
                    this
                }
            }
            ,
            t
        }(Wp);
        y("BABYLON.ColorSplitterBlock", Ef);
        var Sf = function() {
            function e(e) {
                this.name = Wi.NAME_PROCEDURALTEXTURE,
                this.scene = e,
                this.scene.proceduralTextures = new Array
            }
            return e.prototype.register = function() {
                this.scene._beforeClearStage.registerStep(Wi.STEP_BEFORECLEAR_PROCEDURALTEXTURE, this, this._beforeClear)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype._beforeClear = function() {
                if (this.scene.proceduralTexturesEnabled) {
                    gi.StartPerformanceCounter("Procedural textures", this.scene.proceduralTextures.length > 0);
                    for (var e = 0; e < this.scene.proceduralTextures.length; e++) {
                        var t = this.scene.proceduralTextures[e];
                        t._shouldRender() && t.render()
                    }
                    gi.EndPerformanceCounter("Procedural textures", this.scene.proceduralTextures.length > 0)
                }
            }
            ,
            e
        }();
        Pt.ShadersStore.proceduralVertexShader = "attribute vec2 position;\nvarying vec2 vPosition;\nvarying vec2 vUV;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvPosition=position;\nvUV=position*madd+madd;\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var Af, xf = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === o && (o = null),
                void 0 === s && (s = !0),
                void 0 === l && (l = !1),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT);
                var u = e.call(this, null, r, !s) || this;
                u.isEnabled = !0,
                u.autoClear = !0,
                u.onGeneratedObservable = new h,
                u.onBeforeGenerationObservable = new h,
                u.nodeMaterialSource = null,
                u._textures = {},
                u._currentRefreshId = -1,
                u._frameId = -1,
                u._refreshRate = 1,
                u._vertexBuffers = {},
                u._uniforms = new Array,
                u._samplers = new Array,
                u._floats = {},
                u._ints = {},
                u._floatsArrays = {},
                u._colors3 = {},
                u._colors4 = {},
                u._vectors2 = {},
                u._vectors3 = {},
                u._matrices = {},
                u._fallbackTextureUsed = !1,
                u._cachedDefines = null,
                u._contentUpdateId = -1,
                u._rtWrapper = null;
                var d = (r = u.getScene() || E.LastCreatedScene)._getComponent(Wi.NAME_PROCEDURALTEXTURE);
                d || (d = new Sf(r),
                r._addComponent(d)),
                r.proceduralTextures.push(u),
                u._fullEngine = r.getEngine(),
                u.name = t,
                u.isRenderTarget = !0,
                u._size = i,
                u._textureType = c,
                u._generateMipMaps = s,
                u._drawWrapper = new Gt(u._fullEngine),
                u.setFragment(n),
                u._fallbackTexture = o;
                var p = u._createRtWrapper(l, i, s, c);
                u._texture = p.texture;
                var f = [];
                return f.push(1, 1),
                f.push(-1, 1),
                f.push(-1, -1),
                f.push(1, -1),
                u._vertexBuffers[Bi.PositionKind] = new Bi(u._fullEngine,f,Bi.PositionKind,!1,!1,2),
                u._createIndexBuffer(),
                u
            }
            return U(t, e),
            t.prototype._createRtWrapper = function(e, t, i, n) {
                return e ? (this._rtWrapper = this._fullEngine.createRenderTargetCubeTexture(t, {
                    generateMipMaps: i,
                    generateDepthBuffer: !1,
                    generateStencilBuffer: !1,
                    type: n
                }),
                this.setFloat("face", 0)) : this._rtWrapper = this._fullEngine.createRenderTargetTexture(t, {
                    generateMipMaps: i,
                    generateDepthBuffer: !1,
                    generateStencilBuffer: !1,
                    type: n
                }),
                this._rtWrapper
            }
            ,
            t.prototype.getEffect = function() {
                return this._drawWrapper.effect
            }
            ,
            t.prototype._setEffect = function(e) {
                this._drawWrapper.effect = e
            }
            ,
            t.prototype.getContent = function() {
                var e = this;
                return this._contentData && this._frameId === this._contentUpdateId || (this._contentData ? this._contentData.then((function(t) {
                    e._contentData = e.readPixels(0, 0, t),
                    e._contentUpdateId = e._frameId
                }
                )) : (this._contentData = this.readPixels(0, 0),
                this._contentUpdateId = this._frameId)),
                this._contentData
            }
            ,
            t.prototype._createIndexBuffer = function() {
                var e = this._fullEngine
                  , t = [];
                t.push(0),
                t.push(1),
                t.push(2),
                t.push(0),
                t.push(2),
                t.push(3),
                this._indexBuffer = e.createIndexBuffer(t)
            }
            ,
            t.prototype._rebuild = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && e._rebuild(),
                this._createIndexBuffer(),
                this.refreshRate === ns.REFRESHRATE_RENDER_ONCE && (this.refreshRate = ns.REFRESHRATE_RENDER_ONCE)
            }
            ,
            t.prototype.reset = function() {
                var e;
                null === (e = this._drawWrapper.effect) || void 0 === e || e.dispose()
            }
            ,
            t.prototype._getDefines = function() {
                return ""
            }
            ,
            t.prototype.isReady = function() {
                var e, t = this, i = this._fullEngine;
                if (this.nodeMaterialSource)
                    return this._drawWrapper.effect.isReady();
                if (!this._fragment)
                    return !1;
                if (this._fallbackTextureUsed)
                    return !0;
                if (!this._texture)
                    return !1;
                var n = this._getDefines();
                return !(!this._drawWrapper.effect || n !== this._cachedDefines || !this._drawWrapper.effect.isReady()) || (e = void 0 !== this._fragment.fragmentElement ? {
                    vertex: "procedural",
                    fragmentElement: this._fragment.fragmentElement
                } : {
                    vertex: "procedural",
                    fragment: this._fragment
                },
                this._cachedDefines !== n && (this._cachedDefines = n,
                this._drawWrapper.effect = i.createEffect(e, [Bi.PositionKind], this._uniforms, this._samplers, n, void 0, void 0, (function() {
                    var e;
                    null === (e = t._rtWrapper) || void 0 === e || e.dispose(),
                    t._rtWrapper = t._texture = null,
                    t._fallbackTexture && (t._texture = t._fallbackTexture._texture,
                    t._texture && t._texture.incrementReferences()),
                    t._fallbackTextureUsed = !0
                }
                ))),
                this._drawWrapper.effect.isReady())
            }
            ,
            t.prototype.resetRefreshCounter = function() {
                this._currentRefreshId = -1
            }
            ,
            t.prototype.setFragment = function(e) {
                this._fragment = e
            }
            ,
            Object.defineProperty(t.prototype, "refreshRate", {
                get: function() {
                    return this._refreshRate
                },
                set: function(e) {
                    this._refreshRate = e,
                    this.resetRefreshCounter()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._shouldRender = function() {
                return this.isEnabled && this.isReady() && this._texture ? !this._fallbackTextureUsed && (-1 === this._currentRefreshId || this.refreshRate === this._currentRefreshId ? (this._currentRefreshId = 1,
                this._frameId++,
                !0) : (this._currentRefreshId++,
                !1)) : (this._texture && (this._texture.isReady = !1),
                !1)
            }
            ,
            t.prototype.getRenderSize = function() {
                return this._size
            }
            ,
            t.prototype.resize = function(e, t) {
                if (!this._fallbackTextureUsed && this._rtWrapper && this._texture) {
                    var i = this._texture.isCube;
                    this._rtWrapper.dispose();
                    var n = this._createRtWrapper(i, e, t, this._textureType);
                    this._texture = n.texture,
                    this._size = e,
                    this._generateMipMaps = t
                }
            }
            ,
            t.prototype._checkUniform = function(e) {
                -1 === this._uniforms.indexOf(e) && this._uniforms.push(e)
            }
            ,
            t.prototype.setTexture = function(e, t) {
                return -1 === this._samplers.indexOf(e) && this._samplers.push(e),
                this._textures[e] = t,
                this
            }
            ,
            t.prototype.setFloat = function(e, t) {
                return this._checkUniform(e),
                this._floats[e] = t,
                this
            }
            ,
            t.prototype.setInt = function(e, t) {
                return this._checkUniform(e),
                this._ints[e] = t,
                this
            }
            ,
            t.prototype.setFloats = function(e, t) {
                return this._checkUniform(e),
                this._floatsArrays[e] = t,
                this
            }
            ,
            t.prototype.setColor3 = function(e, t) {
                return this._checkUniform(e),
                this._colors3[e] = t,
                this
            }
            ,
            t.prototype.setColor4 = function(e, t) {
                return this._checkUniform(e),
                this._colors4[e] = t,
                this
            }
            ,
            t.prototype.setVector2 = function(e, t) {
                return this._checkUniform(e),
                this._vectors2[e] = t,
                this
            }
            ,
            t.prototype.setVector3 = function(e, t) {
                return this._checkUniform(e),
                this._vectors3[e] = t,
                this
            }
            ,
            t.prototype.setMatrix = function(e, t) {
                return this._checkUniform(e),
                this._matrices[e] = t,
                this
            }
            ,
            t.prototype.render = function(e) {
                var t, i, n = this.getScene();
                if (n) {
                    var r = this._fullEngine;
                    if (r.enableEffect(this._drawWrapper),
                    this.onBeforeGenerationObservable.notifyObservers(this),
                    r.setState(!1),
                    !this.nodeMaterialSource) {
                        for (var o in this._textures)
                            this._drawWrapper.effect.setTexture(o, this._textures[o]);
                        for (var a in this._ints)
                            this._drawWrapper.effect.setInt(a, this._ints[a]);
                        for (var s in this._floats)
                            this._drawWrapper.effect.setFloat(s, this._floats[s]);
                        for (var l in this._floatsArrays)
                            this._drawWrapper.effect.setArray(l, this._floatsArrays[l]);
                        for (var c in this._colors3)
                            this._drawWrapper.effect.setColor3(c, this._colors3[c]);
                        for (var u in this._colors4) {
                            var h = this._colors4[u];
                            this._drawWrapper.effect.setFloat4(u, h.r, h.g, h.b, h.a)
                        }
                        for (var d in this._vectors2)
                            this._drawWrapper.effect.setVector2(d, this._vectors2[d]);
                        for (var p in this._vectors3)
                            this._drawWrapper.effect.setVector3(p, this._vectors3[p]);
                        for (var f in this._matrices)
                            this._drawWrapper.effect.setMatrix(f, this._matrices[f])
                    }
                    if (this._texture && this._rtWrapper) {
                        if (null === (t = r._debugPushGroup) || void 0 === t || t.call(r, "procedural texture generation for ".concat(this.name), 1),
                        this.isCube)
                            for (var _ = 0; _ < 6; _++)
                                r.bindFramebuffer(this._rtWrapper, _, void 0, void 0, !0),
                                r.bindBuffers(this._vertexBuffers, this._indexBuffer, this._drawWrapper.effect),
                                this._drawWrapper.effect.setFloat("face", _),
                                this.autoClear && r.clear(n.clearColor, !0, !1, !1),
                                r.drawElementsType(Or.TriangleFillMode, 0, 6);
                        else
                            r.bindFramebuffer(this._rtWrapper, 0, void 0, void 0, !0),
                            r.bindBuffers(this._vertexBuffers, this._indexBuffer, this._drawWrapper.effect),
                            this.autoClear && r.clear(n.clearColor, !0, !1, !1),
                            r.drawElementsType(Or.TriangleFillMode, 0, 6);
                        r.unBindFramebuffer(this._rtWrapper, this.isCube),
                        this.isCube && r.generateMipMapsForCubemap(this._texture),
                        null === (i = r._debugPopGroup) || void 0 === i || i.call(r, 1),
                        this.onGenerated && this.onGenerated(),
                        this.onGeneratedObservable.notifyObservers(this)
                    }
                }
            }
            ,
            t.prototype.clone = function() {
                var e = this.getSize()
                  , i = new t(this.name,e.width,this._fragment,this.getScene(),this._fallbackTexture,this._generateMipMaps);
                return i.hasAlpha = this.hasAlpha,
                i.level = this.level,
                i.coordinatesMode = this.coordinatesMode,
                i
            }
            ,
            t.prototype.dispose = function() {
                var t = this.getScene();
                if (t) {
                    var i = t.proceduralTextures.indexOf(this);
                    i >= 0 && t.proceduralTextures.splice(i, 1);
                    var n = this._vertexBuffers[Bi.PositionKind];
                    n && (n.dispose(),
                    this._vertexBuffers[Bi.PositionKind] = null),
                    this._indexBuffer && this._fullEngine._releaseBuffer(this._indexBuffer) && (this._indexBuffer = null),
                    this.onGeneratedObservable.clear(),
                    this.onBeforeGenerationObservable.clear(),
                    e.prototype.dispose.call(this)
                }
            }
            ,
            k([Ce()], t.prototype, "isEnabled", void 0),
            k([Ce()], t.prototype, "autoClear", void 0),
            k([Ce()], t.prototype, "_generateMipMaps", void 0),
            k([Ce()], t.prototype, "_size", void 0),
            k([Ce()], t.prototype, "refreshRate", null),
            t
        }(io);
        y("BABYLON.ProceduralTexture", xf),
        function(e) {
            e[e.Cos = 0] = "Cos",
            e[e.Sin = 1] = "Sin",
            e[e.Abs = 2] = "Abs",
            e[e.Exp = 3] = "Exp",
            e[e.Exp2 = 4] = "Exp2",
            e[e.Round = 5] = "Round",
            e[e.Floor = 6] = "Floor",
            e[e.Ceiling = 7] = "Ceiling",
            e[e.Sqrt = 8] = "Sqrt",
            e[e.Log = 9] = "Log",
            e[e.Tan = 10] = "Tan",
            e[e.ArcTan = 11] = "ArcTan",
            e[e.ArcCos = 12] = "ArcCos",
            e[e.ArcSin = 13] = "ArcSin",
            e[e.Fract = 14] = "Fract",
            e[e.Sign = 15] = "Sign",
            e[e.Radians = 16] = "Radians",
            e[e.Degrees = 17] = "Degrees"
        }(Af || (Af = {}));
        var Rf = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.operation = Af.Cos,
                i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "TrigonometryBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = "";
                switch (this.operation) {
                case Af.Cos:
                    n = "cos";
                    break;
                case Af.Sin:
                    n = "sin";
                    break;
                case Af.Abs:
                    n = "abs";
                    break;
                case Af.Exp:
                    n = "exp";
                    break;
                case Af.Exp2:
                    n = "exp2";
                    break;
                case Af.Round:
                    n = "round";
                    break;
                case Af.Floor:
                    n = "floor";
                    break;
                case Af.Ceiling:
                    n = "ceil";
                    break;
                case Af.Sqrt:
                    n = "sqrt";
                    break;
                case Af.Log:
                    n = "log";
                    break;
                case Af.Tan:
                    n = "tan";
                    break;
                case Af.ArcTan:
                    n = "atan";
                    break;
                case Af.ArcCos:
                    n = "acos";
                    break;
                case Af.ArcSin:
                    n = "asin";
                    break;
                case Af.Fract:
                    n = "fract";
                    break;
                case Af.Sign:
                    n = "sign";
                    break;
                case Af.Radians:
                    n = "radians";
                    break;
                case Af.Degrees:
                    n = "degrees"
                }
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(n, "(").concat(this.input.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.operation = this.operation,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.operation = t.operation
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".operation = BABYLON.TrigonometryBlockOperations.").concat(Af[this.operation], ";\r\n")
            }
            ,
            t
        }(Wp);
        y("BABYLON.TrigonometryBlock", Rf);
        var Cf, Pf, Mf = {
            effect: null,
            subMesh: null
        }, If = function(e) {
            function t() {
                var t = e.call(this) || this;
                return t.NORMAL = !1,
                t.TANGENT = !1,
                t.UV1 = !1,
                t.UV2 = !1,
                t.UV3 = !1,
                t.UV4 = !1,
                t.UV5 = !1,
                t.UV6 = !1,
                t.NUM_BONE_INFLUENCERS = 0,
                t.BonesPerMesh = 0,
                t.BONETEXTURE = !1,
                t.MORPHTARGETS = !1,
                t.MORPHTARGETS_NORMAL = !1,
                t.MORPHTARGETS_TANGENT = !1,
                t.MORPHTARGETS_UV = !1,
                t.NUM_MORPH_INFLUENCERS = 0,
                t.MORPHTARGETS_TEXTURE = !1,
                t.IMAGEPROCESSING = !1,
                t.VIGNETTE = !1,
                t.VIGNETTEBLENDMODEMULTIPLY = !1,
                t.VIGNETTEBLENDMODEOPAQUE = !1,
                t.TONEMAPPING = !1,
                t.TONEMAPPING_ACES = !1,
                t.CONTRAST = !1,
                t.EXPOSURE = !1,
                t.COLORCURVES = !1,
                t.COLORGRADING = !1,
                t.COLORGRADING3D = !1,
                t.SAMPLER3DGREENDEPTH = !1,
                t.SAMPLER3DBGRMAP = !1,
                t.IMAGEPROCESSINGPOSTPROCESS = !1,
                t.SKIPFINALCOLORCLAMP = !1,
                t.BUMPDIRECTUV = 0,
                t.rebuild(),
                t
            }
            return U(t, e),
            t.prototype.setValue = function(e, t, i) {
                void 0 === i && (i = !1),
                void 0 === this[e] && this._keys.push(e),
                i && this[e] !== t && this.markAsUnprocessed(),
                this[e] = t
            }
            ,
            t
        }(Si), Of = function(e) {
            function t(i, n, r) {
                void 0 === r && (r = {});
                var o = e.call(this, i, n || E.LastCreatedScene) || this;
                return o._buildId = t._BuildIdGenerator++,
                o._buildWasSuccessful = !1,
                o._cachedWorldViewMatrix = new P,
                o._cachedWorldViewProjectionMatrix = new P,
                o._optimizers = new Array,
                o._animationFrame = -1,
                o.BJSNODEMATERIALEDITOR = o._getGlobalNodeMaterialEditor(),
                o.editorData = null,
                o.ignoreAlpha = !1,
                o.maxSimultaneousLights = 4,
                o.onBuildObservable = new h,
                o._vertexOutputNodes = new Array,
                o._fragmentOutputNodes = new Array,
                o.attachedBlocks = new Array,
                o._mode = cf.Material,
                o.forceAlphaBlending = !1,
                o._options = V({
                    emitComments: !1
                }, r),
                o._attachImageProcessingConfiguration(null),
                o
            }
            return U(t, e),
            t.prototype._getGlobalNodeMaterialEditor = function() {
                return "undefined" != typeof NODEEDITOR ? NODEEDITOR : "undefined" != typeof BABYLON && void 0 !== BABYLON.NodeEditor ? BABYLON : void 0
            }
            ,
            Object.defineProperty(t.prototype, "options", {
                get: function() {
                    return this._options
                },
                set: function(e) {
                    this._options = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "imageProcessingConfiguration", {
                get: function() {
                    return this._imageProcessingConfiguration
                },
                set: function(e) {
                    this._attachImageProcessingConfiguration(e),
                    this._markAllSubMeshesAsTexturesDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "mode", {
                get: function() {
                    return this._mode
                },
                set: function(e) {
                    this._mode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "buildId", {
                get: function() {
                    return this._buildId
                },
                set: function(e) {
                    this._buildId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "NodeMaterial"
            }
            ,
            t.prototype._attachImageProcessingConfiguration = function(e) {
                var t = this;
                e !== this._imageProcessingConfiguration && (this._imageProcessingConfiguration && this._imageProcessingObserver && this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingConfiguration = e || this.getScene().imageProcessingConfiguration,
                this._imageProcessingConfiguration && (this._imageProcessingObserver = this._imageProcessingConfiguration.onUpdateParameters.add((function() {
                    t._markAllSubMeshesAsImageProcessingDirty()
                }
                ))))
            }
            ,
            t.prototype.getBlockByName = function(e) {
                for (var t = null, i = 0, n = this.attachedBlocks; i < n.length; i++) {
                    var r = n[i];
                    if (r.name === e) {
                        if (t)
                            return gi.Warn("More than one block was found with the name `" + e + "`"),
                            t;
                        t = r
                    }
                }
                return t
            }
            ,
            t.prototype.getBlockByPredicate = function(e) {
                for (var t = 0, i = this.attachedBlocks; t < i.length; t++) {
                    var n = i[t];
                    if (e(n))
                        return n
                }
                return null
            }
            ,
            t.prototype.getInputBlockByPredicate = function(e) {
                for (var t = 0, i = this.attachedBlocks; t < i.length; t++) {
                    var n = i[t];
                    if (n.isInput && e(n))
                        return n
                }
                return null
            }
            ,
            t.prototype.getInputBlocks = function() {
                for (var e = [], t = 0, i = this.attachedBlocks; t < i.length; t++) {
                    var n = i[t];
                    n.isInput && e.push(n)
                }
                return e
            }
            ,
            t.prototype.registerOptimizer = function(e) {
                if (!(this._optimizers.indexOf(e) > -1))
                    return this._optimizers.push(e),
                    this
            }
            ,
            t.prototype.unregisterOptimizer = function(e) {
                var t = this._optimizers.indexOf(e);
                if (-1 !== t)
                    return this._optimizers.splice(t, 1),
                    this
            }
            ,
            t.prototype.addOutputNode = function(e) {
                if (null === e.target)
                    throw "This node is not meant to be an output node. You may want to explicitly set its target value.";
                return 0 != (e.target & Dp.Vertex) && this._addVertexOutputNode(e),
                0 != (e.target & Dp.Fragment) && this._addFragmentOutputNode(e),
                this
            }
            ,
            t.prototype.removeOutputNode = function(e) {
                return null === e.target || (0 != (e.target & Dp.Vertex) && this._removeVertexOutputNode(e),
                0 != (e.target & Dp.Fragment) && this._removeFragmentOutputNode(e)),
                this
            }
            ,
            t.prototype._addVertexOutputNode = function(e) {
                if (-1 === this._vertexOutputNodes.indexOf(e))
                    return e.target = Dp.Vertex,
                    this._vertexOutputNodes.push(e),
                    this
            }
            ,
            t.prototype._removeVertexOutputNode = function(e) {
                var t = this._vertexOutputNodes.indexOf(e);
                if (-1 !== t)
                    return this._vertexOutputNodes.splice(t, 1),
                    this
            }
            ,
            t.prototype._addFragmentOutputNode = function(e) {
                if (-1 === this._fragmentOutputNodes.indexOf(e))
                    return e.target = Dp.Fragment,
                    this._fragmentOutputNodes.push(e),
                    this
            }
            ,
            t.prototype._removeFragmentOutputNode = function(e) {
                var t = this._fragmentOutputNodes.indexOf(e);
                if (-1 !== t)
                    return this._fragmentOutputNodes.splice(t, 1),
                    this
            }
            ,
            t.prototype.needAlphaBlending = function() {
                return !this.ignoreAlpha && (this.forceAlphaBlending || this.alpha < 1 || this._sharedData && this._sharedData.hints.needAlphaBlending)
            }
            ,
            t.prototype.needAlphaTesting = function() {
                return this._sharedData && this._sharedData.hints.needAlphaTesting
            }
            ,
            t.prototype._initializeBlock = function(e, t, i, n) {
                if (void 0 === n && (n = !0),
                e.initialize(t),
                n && e.autoConfigure(this),
                e._preparationId = this._buildId,
                -1 === this.attachedBlocks.indexOf(e)) {
                    if (e.isUnique)
                        for (var r = e.getClassName(), o = 0, a = this.attachedBlocks; o < a.length; o++)
                            if (a[o].getClassName() === r)
                                throw "Cannot have multiple blocks of type ".concat(r, " in the same NodeMaterial");
                    this.attachedBlocks.push(e)
                }
                for (var s = 0, l = e.inputs; s < l.length; s++) {
                    var c = l[s];
                    c.associatedVariableName = "";
                    var u = c.connectedPoint;
                    if (u) {
                        var h = u.ownerBlock;
                        h !== e && ((h.target === Dp.VertexAndFragment || t.target === Dp.Fragment && h.target === Dp.Vertex && h._preparationId !== this._buildId) && i.push(h),
                        this._initializeBlock(h, t, i, n))
                    }
                }
                for (var d = 0, p = e.outputs; d < p.length; d++)
                    p[d].associatedVariableName = ""
            }
            ,
            t.prototype._resetDualBlocks = function(e, t) {
                e.target === Dp.VertexAndFragment && (e.buildId = t);
                for (var i = 0, n = e.inputs; i < n.length; i++) {
                    var r = n[i].connectedPoint;
                    if (r) {
                        var o = r.ownerBlock;
                        o !== e && this._resetDualBlocks(o, t)
                    }
                }
            }
            ,
            t.prototype.removeBlock = function(e) {
                var t = this.attachedBlocks.indexOf(e);
                t > -1 && this.attachedBlocks.splice(t, 1),
                e.isFinalMerger && this.removeOutputNode(e)
            }
            ,
            t.prototype.build = function(e, i, n) {
                void 0 === e && (e = !1),
                void 0 === i && (i = !0),
                void 0 === n && (n = !0),
                this._buildWasSuccessful = !1;
                var r = this.getScene().getEngine()
                  , o = this._mode === cf.Particle;
                if (0 === this._vertexOutputNodes.length && !o)
                    throw "You must define at least one vertexOutputNode";
                if (0 === this._fragmentOutputNodes.length)
                    throw "You must define at least one fragmentOutputNode";
                this._vertexCompilationState = new kp,
                this._vertexCompilationState.supportUniformBuffers = r.supportsUniformBuffers,
                this._vertexCompilationState.target = Dp.Vertex,
                this._fragmentCompilationState = new kp,
                this._fragmentCompilationState.supportUniformBuffers = r.supportsUniformBuffers,
                this._fragmentCompilationState.target = Dp.Fragment,
                this._sharedData = new Gp,
                this._sharedData.fragmentOutputNodes = this._fragmentOutputNodes,
                this._vertexCompilationState.sharedData = this._sharedData,
                this._fragmentCompilationState.sharedData = this._sharedData,
                this._sharedData.buildId = this._buildId,
                this._sharedData.emitComments = this._options.emitComments,
                this._sharedData.verbose = e,
                this._sharedData.scene = this.getScene(),
                this._sharedData.allowEmptyVertexProgram = o;
                for (var a = [], s = [], l = 0, c = this._vertexOutputNodes; l < c.length; l++) {
                    var u = c[l];
                    a.push(u),
                    this._initializeBlock(u, this._vertexCompilationState, s, n)
                }
                for (var h = 0, d = this._fragmentOutputNodes; h < d.length; h++) {
                    var p = d[h];
                    s.push(p),
                    this._initializeBlock(p, this._fragmentCompilationState, a, n)
                }
                this.optimize();
                for (var f = 0, _ = a; f < _.length; f++)
                    (u = _[f]).build(this._vertexCompilationState, a);
                this._fragmentCompilationState.uniforms = this._vertexCompilationState.uniforms.slice(0),
                this._fragmentCompilationState._uniformDeclaration = this._vertexCompilationState._uniformDeclaration,
                this._fragmentCompilationState._constantDeclaration = this._vertexCompilationState._constantDeclaration,
                this._fragmentCompilationState._vertexState = this._vertexCompilationState;
                for (var m = 0, g = s; m < g.length; m++)
                    p = g[m],
                    this._resetDualBlocks(p, this._buildId - 1);
                for (var v = 0, y = s; v < y.length; v++)
                    (p = y[v]).build(this._fragmentCompilationState, s);
                this._vertexCompilationState.finalize(this._vertexCompilationState),
                this._fragmentCompilationState.finalize(this._fragmentCompilationState),
                i && (this._buildId = t._BuildIdGenerator++),
                this._sharedData.emitErrors(),
                e && (console.log("Vertex shader:"),
                console.log(this._vertexCompilationState.compilationString),
                console.log("Fragment shader:"),
                console.log(this._fragmentCompilationState.compilationString)),
                this._buildWasSuccessful = !0,
                this.onBuildObservable.notifyObservers(this);
                for (var b = 0, T = this.getScene().meshes; b < T.length; b++) {
                    var E = T[b];
                    if (E.subMeshes)
                        for (var S = 0, A = E.subMeshes; S < A.length; S++) {
                            var x = A[S];
                            if (x.getMaterial() === this && x.materialDefines) {
                                var R = x.materialDefines;
                                R.markAllAsDirty(),
                                R.reset()
                            }
                        }
                }
            }
            ,
            t.prototype.optimize = function() {
                for (var e = 0, t = this._optimizers; e < t.length; e++)
                    t[e].optimize(this._vertexOutputNodes, this._fragmentOutputNodes)
            }
            ,
            t.prototype._prepareDefinesForAttributes = function(e, t) {
                var i = t.NORMAL
                  , n = t.TANGENT;
                t.NORMAL = e.isVerticesDataPresent(Bi.NormalKind),
                t.TANGENT = e.isVerticesDataPresent(Bi.TangentKind);
                for (var r = !1, o = 1; o <= a.MAX_SUPPORTED_UV_SETS; ++o) {
                    var s = t["UV" + o];
                    t["UV" + o] = e.isVerticesDataPresent("uv".concat(1 === o ? "" : o)),
                    r = r || t["UV" + o] !== s
                }
                (i !== t.NORMAL || n !== t.TANGENT || r) && t.markAsAttributesDirty()
            }
            ,
            t.prototype.createPostProcess = function(e, t, i, n, r, o, s) {
                return void 0 === t && (t = 1),
                void 0 === i && (i = a.TEXTURE_NEAREST_SAMPLINGMODE),
                void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === s && (s = a.TEXTUREFORMAT_RGBA),
                this.mode !== cf.PostProcess ? (console.log("Incompatible material mode"),
                null) : this._createEffectForPostProcess(null, e, t, i, n, r, o, s)
            }
            ,
            t.prototype.createEffectForPostProcess = function(e) {
                this._createEffectForPostProcess(e)
            }
            ,
            t.prototype._createEffectForPostProcess = function(e, t, i, n, r, o, s, l) {
                var c = this;
                void 0 === i && (i = 1),
                void 0 === n && (n = a.TEXTURE_NEAREST_SAMPLINGMODE),
                void 0 === s && (s = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === l && (l = a.TEXTUREFORMAT_RGBA);
                var u = this.name + this._buildId
                  , h = new If
                  , d = new Sr(u + "PostProcess",this.getScene())
                  , p = this._buildId;
                return this._processDefines(d, h),
                Mt.RegisterShader(u, this._fragmentCompilationState._builtCompilationString, this._vertexCompilationState._builtCompilationString),
                e ? e.updateEffect(h.toString(), this._fragmentCompilationState.uniforms, this._fragmentCompilationState.samplers, {
                    maxSimultaneousLights: this.maxSimultaneousLights
                }, void 0, void 0, u, u) : e = new Ba(this.name + "PostProcess",u,this._fragmentCompilationState.uniforms,this._fragmentCompilationState.samplers,i,t,n,r,o,h.toString(),s,u,{
                    maxSimultaneousLights: this.maxSimultaneousLights
                },!1,l),
                e.nodeMaterialSource = this,
                e.onApplyObservable.add((function(t) {
                    p !== c._buildId && (delete Mt.ShadersStore[u + "VertexShader"],
                    delete Mt.ShadersStore[u + "PixelShader"],
                    u = c.name + c._buildId,
                    h.markAllAsDirty(),
                    p = c._buildId),
                    c._processDefines(d, h) && (Mt.RegisterShader(u, c._fragmentCompilationState._builtCompilationString, c._vertexCompilationState._builtCompilationString),
                    Xt.SetImmediate((function() {
                        return e.updateEffect(h.toString(), c._fragmentCompilationState.uniforms, c._fragmentCompilationState.samplers, {
                            maxSimultaneousLights: c.maxSimultaneousLights
                        }, void 0, void 0, u, u)
                    }
                    ))),
                    c._checkInternals(t)
                }
                )),
                e
            }
            ,
            t.prototype.createProceduralTexture = function(e, t) {
                var i = this;
                if (this.mode !== cf.ProceduralTexture)
                    return console.log("Incompatible material mode"),
                    null;
                var n = this.name + this._buildId
                  , r = new xf(n,e,null,t)
                  , o = new Sr(n + "Procedural",this.getScene());
                o.reservedDataStore = {
                    hidden: !0
                };
                var a = new If
                  , s = this._processDefines(o, a);
                Mt.RegisterShader(n, this._fragmentCompilationState._builtCompilationString, this._vertexCompilationState._builtCompilationString);
                var l = this.getScene().getEngine().createEffect({
                    vertexElement: n,
                    fragmentElement: n
                }, [Bi.PositionKind], this._fragmentCompilationState.uniforms, this._fragmentCompilationState.samplers, a.toString(), null == s ? void 0 : s.fallbacks, void 0);
                r.nodeMaterialSource = this,
                r._setEffect(l);
                var c = this._buildId;
                return r.onBeforeGenerationObservable.add((function() {
                    c !== i._buildId && (delete Mt.ShadersStore[n + "VertexShader"],
                    delete Mt.ShadersStore[n + "PixelShader"],
                    n = i.name + i._buildId,
                    a.markAllAsDirty(),
                    c = i._buildId);
                    var e = i._processDefines(o, a);
                    e && (Mt.RegisterShader(n, i._fragmentCompilationState._builtCompilationString, i._vertexCompilationState._builtCompilationString),
                    Xt.SetImmediate((function() {
                        l = i.getScene().getEngine().createEffect({
                            vertexElement: n,
                            fragmentElement: n
                        }, [Bi.PositionKind], i._fragmentCompilationState.uniforms, i._fragmentCompilationState.samplers, a.toString(), null == e ? void 0 : e.fallbacks, void 0),
                        r._setEffect(l)
                    }
                    ))),
                    i._checkInternals(l)
                }
                )),
                r
            }
            ,
            t.prototype._createEffectForParticles = function(e, t, i, n, r, o, a, s) {
                var l = this;
                void 0 === s && (s = "");
                var c = this.name + this._buildId + "_" + t;
                o || (o = new If),
                a || (a = this.getScene().getMeshByName(this.name + "Particle")) || ((a = new Sr(this.name + "Particle",this.getScene())).reservedDataStore = {
                    hidden: !0
                });
                var u = this._buildId
                  , h = []
                  , d = s;
                if (!r) {
                    var p = this._processDefines(a, o);
                    Mt.RegisterShader(c, this._fragmentCompilationState._builtCompilationString),
                    e.fillDefines(h, t),
                    d = h.join("\n"),
                    r = this.getScene().getEngine().createEffectForParticles(c, this._fragmentCompilationState.uniforms, this._fragmentCompilationState.samplers, o.toString() + "\n" + d, null == p ? void 0 : p.fallbacks, i, n, e),
                    e.setCustomEffect(r, t)
                }
                r.onBindObservable.add((function(r) {
                    u !== l._buildId && (delete Mt.ShadersStore[c + "PixelShader"],
                    c = l.name + l._buildId + "_" + t,
                    o.markAllAsDirty(),
                    u = l._buildId),
                    h.length = 0,
                    e.fillDefines(h, t);
                    var p = h.join("\n");
                    p !== d && (o.markAllAsDirty(),
                    d = p);
                    var f = l._processDefines(a, o);
                    if (f)
                        return Mt.RegisterShader(c, l._fragmentCompilationState._builtCompilationString),
                        r = l.getScene().getEngine().createEffectForParticles(c, l._fragmentCompilationState.uniforms, l._fragmentCompilationState.samplers, o.toString() + "\n" + d, null == f ? void 0 : f.fallbacks, i, n, e),
                        e.setCustomEffect(r, t),
                        void l._createEffectForParticles(e, t, i, n, r, o, a, s);
                    l._checkInternals(r)
                }
                ))
            }
            ,
            t.prototype._checkInternals = function(e) {
                if (this._sharedData.animatedInputs) {
                    var t = this.getScene()
                      , i = t.getFrameId();
                    if (this._animationFrame !== i) {
                        for (var n = 0, r = this._sharedData.animatedInputs; n < r.length; n++)
                            r[n].animate(t);
                        this._animationFrame = i
                    }
                }
                for (var o = 0, a = this._sharedData.bindableBlocks; o < a.length; o++)
                    a[o].bind(e, this);
                for (var s = 0, l = this._sharedData.inputBlocks; s < l.length; s++)
                    l[s]._transmit(e, this.getScene(), this)
            }
            ,
            t.prototype.createEffectForParticles = function(e, t, i) {
                this.mode === cf.Particle ? (this._createEffectForParticles(e, Tf.BLENDMODE_ONEONE, t, i),
                this._createEffectForParticles(e, Tf.BLENDMODE_MULTIPLY, t, i)) : console.log("Incompatible material mode")
            }
            ,
            t.prototype._processDefines = function(e, t, i, n) {
                var r = this;
                void 0 === i && (i = !1);
                var o = null;
                if (this._sharedData.blocksWithDefines.forEach((function(n) {
                    n.initializeDefines(e, r, t, i)
                }
                )),
                this._sharedData.blocksWithDefines.forEach((function(o) {
                    o.prepareDefines(e, r, t, i, n)
                }
                )),
                t.isDirty) {
                    var a = t._areLightsDisposed;
                    t.markAsProcessed(),
                    this._vertexCompilationState.compilationString = this._vertexCompilationState._builtCompilationString,
                    this._fragmentCompilationState.compilationString = this._fragmentCompilationState._builtCompilationString,
                    this._sharedData.repeatableContentBlocks.forEach((function(i) {
                        i.replaceRepeatableContent(r._vertexCompilationState, r._fragmentCompilationState, e, t)
                    }
                    ));
                    var s = [];
                    this._sharedData.dynamicUniformBlocks.forEach((function(e) {
                        e.updateUniformsAndSamples(r._vertexCompilationState, r, t, s)
                    }
                    ));
                    var l = this._vertexCompilationState.uniforms;
                    this._fragmentCompilationState.uniforms.forEach((function(e) {
                        -1 === l.indexOf(e) && l.push(e)
                    }
                    ));
                    var c = this._vertexCompilationState.samplers;
                    this._fragmentCompilationState.samplers.forEach((function(e) {
                        -1 === c.indexOf(e) && c.push(e)
                    }
                    ));
                    var u = new ys;
                    this._sharedData.blocksWithFallbacks.forEach((function(t) {
                        t.provideFallbacks(e, u)
                    }
                    )),
                    o = {
                        lightDisposed: a,
                        uniformBuffers: s,
                        mergedUniforms: l,
                        mergedSamplers: c,
                        fallbacks: u
                    }
                }
                return o
            }
            ,
            t.prototype.isReadyForSubMesh = function(e, t, i) {
                var n = this;
                if (void 0 === i && (i = !1),
                !this._buildWasSuccessful)
                    return !1;
                var r = this.getScene();
                if (this._sharedData.animatedInputs) {
                    var o = r.getFrameId();
                    if (this._animationFrame !== o) {
                        for (var a = 0, s = this._sharedData.animatedInputs; a < s.length; a++)
                            s[a].animate(r);
                        this._animationFrame = o
                    }
                }
                if (t.effect && this.isFrozen && t.effect._wasPreviouslyReady)
                    return !0;
                t.materialDefines || (t.materialDefines = new If);
                var l = t.materialDefines;
                if (this._isReadyForSubMesh(t))
                    return !0;
                var c = r.getEngine();
                if (this._prepareDefinesForAttributes(e, l),
                this._sharedData.blockingBlocks.some((function(t) {
                    return !t.isReady(e, n, l, i)
                }
                )))
                    return !1;
                var u = this._processDefines(e, l, i, t);
                if (u) {
                    var h = t.effect
                      , d = l.toString()
                      , p = c.createEffect({
                        vertex: "nodeMaterial" + this._buildId,
                        fragment: "nodeMaterial" + this._buildId,
                        vertexSource: this._vertexCompilationState.compilationString,
                        fragmentSource: this._fragmentCompilationState.compilationString
                    }, {
                        attributes: this._vertexCompilationState.attributes,
                        uniformsNames: u.mergedUniforms,
                        uniformBuffersNames: u.uniformBuffers,
                        samplers: u.mergedSamplers,
                        defines: d,
                        fallbacks: u.fallbacks,
                        onCompiled: this.onCompiled,
                        onError: this.onError,
                        indexParameters: {
                            maxSimultaneousLights: this.maxSimultaneousLights,
                            maxSimultaneousMorphTargets: l.NUM_MORPH_INFLUENCERS
                        }
                    }, c);
                    if (p)
                        if (this._onEffectCreatedObservable && (Mf.effect = p,
                        Mf.subMesh = t,
                        this._onEffectCreatedObservable.notifyObservers(Mf)),
                        this.allowShaderHotSwapping && h && !p.isReady()) {
                            if (p = h,
                            l.markAsUnprocessed(),
                            u.lightDisposed)
                                return l._areLightsDisposed = !0,
                                !1
                        } else
                            r.resetCachedMaterial(),
                            t.setEffect(p, l, this._materialContext)
                }
                return !(!t.effect || !t.effect.isReady() || (l._renderId = r.getRenderId(),
                t.effect._wasPreviouslyReady = !0,
                0))
            }
            ,
            Object.defineProperty(t.prototype, "compiledShaders", {
                get: function() {
                    return "// Vertex shader\r\n".concat(this._vertexCompilationState.compilationString, "\r\n\r\n// Fragment shader\r\n").concat(this._fragmentCompilationState.compilationString)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.bindOnlyWorldMatrix = function(e) {
                var t = this.getScene();
                if (this._activeEffect) {
                    var i = this._sharedData.hints;
                    i.needWorldViewMatrix && e.multiplyToRef(t.getViewMatrix(), this._cachedWorldViewMatrix),
                    i.needWorldViewProjectionMatrix && e.multiplyToRef(t.getTransformMatrix(), this._cachedWorldViewProjectionMatrix);
                    for (var n = 0, r = this._sharedData.inputBlocks; n < r.length; n++)
                        r[n]._transmitWorld(this._activeEffect, e, this._cachedWorldViewMatrix, this._cachedWorldViewProjectionMatrix)
                }
            }
            ,
            t.prototype.bindForSubMesh = function(e, t, i) {
                var n = this.getScene()
                  , r = i.effect;
                if (r) {
                    this._activeEffect = r,
                    this.bindOnlyWorldMatrix(e);
                    var o = this._mustRebind(n, r, t.visibility)
                      , a = this._sharedData;
                    if (o) {
                        for (var s = 0, l = a.bindableBlocks; s < l.length; s++)
                            l[s].bind(r, this, t, i);
                        for (var c = 0, u = a.forcedBindableBlocks; c < u.length; c++)
                            u[c].bind(r, this, t, i);
                        for (var h = 0, d = a.inputBlocks; h < d.length; h++)
                            d[h]._transmit(r, n, this)
                    } else if (!this.isFrozen)
                        for (var p = 0, f = a.forcedBindableBlocks; p < f.length; p++)
                            f[p].bind(r, this, t, i);
                    this._afterBind(t, this._activeEffect)
                }
            }
            ,
            t.prototype.getActiveTextures = function() {
                var t = e.prototype.getActiveTextures.call(this);
                return this._sharedData && t.push.apply(t, this._sharedData.textureBlocks.filter((function(e) {
                    return e.texture
                }
                )).map((function(e) {
                    return e.texture
                }
                ))),
                t
            }
            ,
            t.prototype.getTextureBlocks = function() {
                return this._sharedData ? this._sharedData.textureBlocks : []
            }
            ,
            t.prototype.hasTexture = function(t) {
                if (e.prototype.hasTexture.call(this, t))
                    return !0;
                if (!this._sharedData)
                    return !1;
                for (var i = 0, n = this._sharedData.textureBlocks; i < n.length; i++)
                    if (n[i].texture === t)
                        return !0;
                return !1
            }
            ,
            t.prototype.dispose = function(t, i, n) {
                if (i)
                    for (var r = 0, o = this.getTextureBlocks().filter((function(e) {
                        return e.texture
                    }
                    )).map((function(e) {
                        return e.texture
                    }
                    )); r < o.length; r++)
                        o[r].dispose();
                for (var a = 0, s = this.attachedBlocks; a < s.length; a++)
                    s[a].dispose();
                this.attachedBlocks = [],
                this._sharedData = null,
                this._vertexCompilationState = null,
                this._fragmentCompilationState = null,
                this.onBuildObservable.clear(),
                this._imageProcessingObserver && (this._imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingObserver),
                this._imageProcessingObserver = null),
                e.prototype.dispose.call(this, t, i, n)
            }
            ,
            t.prototype._createNodeEditor = function() {
                this.BJSNODEMATERIALEDITOR.NodeEditor.Show({
                    nodeMaterial: this
                })
            }
            ,
            t.prototype.edit = function(e) {
                var i = this;
                return new Promise((function(n) {
                    if (i.BJSNODEMATERIALEDITOR = i.BJSNODEMATERIALEDITOR || i._getGlobalNodeMaterialEditor(),
                    void 0 === i.BJSNODEMATERIALEDITOR) {
                        var r = e && e.editorURL ? e.editorURL : t.EditorURL;
                        gi.LoadScript(r, (function() {
                            i.BJSNODEMATERIALEDITOR = i.BJSNODEMATERIALEDITOR || i._getGlobalNodeMaterialEditor(),
                            i._createNodeEditor(),
                            n()
                        }
                        ))
                    } else
                        i._createNodeEditor(),
                        n()
                }
                ))
            }
            ,
            t.prototype.clear = function() {
                this._vertexOutputNodes = [],
                this._fragmentOutputNodes = [],
                this.attachedBlocks = []
            }
            ,
            t.prototype.setToDefault = function() {
                this.clear(),
                this.editorData = null;
                var e = new tf("Position");
                e.setAsAttribute("position");
                var t = new tf("World");
                t.setAsSystemValue(Qp.World);
                var i = new Hp("WorldPos");
                e.connectTo(i),
                t.connectTo(i);
                var n = new tf("ViewProjection");
                n.setAsSystemValue(Qp.ViewProjection);
                var r = new Hp("WorldPos * ViewProjectionTransform");
                i.connectTo(r),
                n.connectTo(r);
                var o = new jp("VertexOutput");
                r.connectTo(o);
                var a = new tf("color");
                a.value = new N(.8,.8,.8,1);
                var s = new Zp("FragmentOutput");
                a.connectTo(s),
                this.addOutputNode(o),
                this.addOutputNode(s),
                this._mode = cf.Material
            }
            ,
            t.prototype.setToDefaultPostProcess = function() {
                this.clear(),
                this.editorData = null;
                var e = new tf("Position");
                e.setAsAttribute("position2d");
                var t = new tf("Constant1");
                t.isConstant = !0,
                t.value = 1;
                var i = new sf("Position3D");
                e.connectTo(i),
                t.connectTo(i, {
                    input: "w"
                });
                var n = new jp("VertexOutput");
                i.connectTo(n);
                var r = new tf("Scale");
                r.visibleInInspector = !0,
                r.value = new A(1,1);
                var o = new lf("uv0");
                e.connectTo(o);
                var a = new uf("UV scale");
                o.connectTo(a),
                r.connectTo(a);
                var s = new nf("CurrentScreen");
                a.connectTo(s),
                s.texture = new io("https://assets.babylonjs.com/nme/currentScreenPostProcess.png",this.getScene());
                var l = new Zp("FragmentOutput");
                s.connectTo(l, {
                    output: "rgba"
                }),
                this.addOutputNode(n),
                this.addOutputNode(l),
                this._mode = cf.PostProcess
            }
            ,
            t.prototype.setToDefaultProceduralTexture = function() {
                this.clear(),
                this.editorData = null;
                var e = new tf("Position");
                e.setAsAttribute("position2d");
                var t = new tf("Constant1");
                t.isConstant = !0,
                t.value = 1;
                var i = new sf("Position3D");
                e.connectTo(i),
                t.connectTo(i, {
                    input: "w"
                });
                var n = new jp("VertexOutput");
                i.connectTo(n);
                var r = new tf("Time");
                r.value = 0,
                r.min = 0,
                r.max = 0,
                r.isBoolean = !1,
                r.matrixMode = 0,
                r.animationType = qp.Time,
                r.isConstant = !1;
                var o = new tf("Color3");
                o.value = new D(1,1,1),
                o.isConstant = !1;
                var a = new Zp("FragmentOutput")
                  , s = new sf("VectorMerger");
                s.visibleInInspector = !1;
                var l = new Rf("Cos");
                l.operation = Af.Cos,
                e.connectTo(s),
                r.output.connectTo(l.input),
                l.output.connectTo(s.z),
                s.xyzOut.connectTo(a.rgb),
                this.addOutputNode(n),
                this.addOutputNode(a),
                this._mode = cf.ProceduralTexture
            }
            ,
            t.prototype.setToDefaultParticle = function() {
                this.clear(),
                this.editorData = null;
                var e = new tf("uv");
                e.setAsAttribute("particle_uv");
                var t = new rf("ParticleTexture");
                e.connectTo(t);
                var i = new tf("Color");
                i.setAsAttribute("particle_color");
                var n = new uf("Texture * Color");
                t.connectTo(n),
                i.connectTo(n);
                var r = new of("ParticleRampGradient");
                n.connectTo(r);
                var o = new Ef("ColorSplitter");
                i.connectTo(o);
                var a = new af("ParticleBlendMultiply");
                r.connectTo(a),
                t.connectTo(a, {
                    output: "a"
                }),
                o.connectTo(a, {
                    output: "a"
                });
                var s = new Zp("FragmentOutput");
                a.connectTo(s),
                this.addOutputNode(s),
                this._mode = cf.Particle
            }
            ,
            t.prototype.loadAsync = function(e, t) {
                var i = this;
                return void 0 === t && (t = ""),
                this.getScene()._loadFileAsync(e).then((function(e) {
                    var n = JSON.parse(e);
                    i.loadFromSerialization(n, t)
                }
                ))
            }
            ,
            t.prototype._gatherBlocks = function(e, t) {
                if (-1 === t.indexOf(e)) {
                    t.push(e);
                    for (var i = 0, n = e.inputs; i < n.length; i++) {
                        var r = n[i].connectedPoint;
                        if (r) {
                            var o = r.ownerBlock;
                            o !== e && this._gatherBlocks(o, t)
                        }
                    }
                }
            }
            ,
            t.prototype.generateCode = function() {
                for (var e = [], t = [], i = ["const", "var", "let"], n = 0, r = this._vertexOutputNodes; n < r.length; n++) {
                    var o = r[n];
                    this._gatherBlocks(o, t)
                }
                for (var a = [], s = 0, l = this._fragmentOutputNodes; s < l.length; s++)
                    o = l[s],
                    this._gatherBlocks(o, a);
                for (var c = 'var nodeMaterial = new BABYLON.NodeMaterial("'.concat(this.name || "node material", '");\r\n'), u = 0, h = t; u < h.length; u++)
                    (b = h[u]).isInput && -1 === e.indexOf(b) && (c += b._dumpCode(i, e));
                for (var d = 0, p = a; d < p.length; d++)
                    (b = p[d]).isInput && -1 === e.indexOf(b) && (c += b._dumpCode(i, e));
                e = [],
                c += "\r\n// Connections\r\n";
                for (var f = 0, _ = this._vertexOutputNodes; f < _.length; f++)
                    c += (b = _[f])._dumpCodeForOutputConnections(e);
                for (var m = 0, g = this._fragmentOutputNodes; m < g.length; m++)
                    c += (b = g[m])._dumpCodeForOutputConnections(e);
                c += "\r\n// Output nodes\r\n";
                for (var v = 0, y = this._vertexOutputNodes; v < y.length; v++) {
                    var b = y[v];
                    c += "nodeMaterial.addOutputNode(".concat(b._codeVariableName, ");\r\n")
                }
                for (var T = 0, E = this._fragmentOutputNodes; T < E.length; T++)
                    b = E[T],
                    c += "nodeMaterial.addOutputNode(".concat(b._codeVariableName, ");\r\n");
                return c + "nodeMaterial.build();\r\n"
            }
            ,
            t.prototype.serialize = function(e) {
                var t = e ? {} : Ge.Serialize(this);
                t.editorData = JSON.parse(JSON.stringify(this.editorData));
                var i = [];
                if (e)
                    i = e;
                else {
                    t.customType = "BABYLON.NodeMaterial",
                    t.outputNodes = [];
                    for (var n = 0, r = this._vertexOutputNodes; n < r.length; n++) {
                        var o = r[n];
                        this._gatherBlocks(o, i),
                        t.outputNodes.push(o.uniqueId)
                    }
                    for (var a = 0, s = this._fragmentOutputNodes; a < s.length; a++)
                        o = s[a],
                        this._gatherBlocks(o, i),
                        -1 === t.outputNodes.indexOf(o.uniqueId) && t.outputNodes.push(o.uniqueId)
                }
                t.blocks = [];
                for (var l = 0, c = i; l < c.length; l++) {
                    var u = c[l];
                    t.blocks.push(u.serialize())
                }
                if (!e)
                    for (var h = 0, d = this.attachedBlocks; h < d.length; h++)
                        u = d[h],
                        -1 === i.indexOf(u) && t.blocks.push(u.serialize());
                return t
            }
            ,
            t.prototype._restoreConnections = function(e, t, i) {
                for (var n = 0, r = e.outputs; n < r.length; n++)
                    for (var o = r[n], a = 0, s = t.blocks; a < s.length; a++) {
                        var l = s[a]
                          , c = i[l.id];
                        if (c)
                            for (var u = 0, h = l.inputs; u < h.length; u++) {
                                var d = h[u];
                                if (i[d.targetBlockId] !== e || d.targetConnectionName !== o.name)
                                    ;
                                else {
                                    var p = c.getInputByName(d.inputName);
                                    if (!p || p.isConnected)
                                        continue;
                                    o.connectTo(p, !0),
                                    this._restoreConnections(c, t, i)
                                }
                            }
                    }
            }
            ,
            t.prototype.loadFromSerialization = function(e, t, i) {
                var n;
                void 0 === t && (t = ""),
                void 0 === i && (i = !1),
                i || this.clear();
                for (var r = {}, o = 0, a = e.blocks; o < a.length; o++) {
                    var s = b((c = a[o]).customType);
                    s && ((u = new s)._deserialize(c, this.getScene(), t),
                    r[c.id] = u,
                    this.attachedBlocks.push(u))
                }
                for (var l = 0; l < e.blocks.length; l++) {
                    var c, u;
                    (u = r[(c = e.blocks[l]).id]) && (u.inputs.length && !i || this._restoreConnections(u, e, r))
                }
                if (e.outputNodes)
                    for (var h = 0, d = e.outputNodes; h < d.length; h++) {
                        var p = d[h];
                        this.addOutputNode(r[p])
                    }
                if (e.locations || e.editorData && e.editorData.locations) {
                    for (var f = e.locations || e.editorData.locations, _ = 0, m = f; _ < m.length; _++) {
                        var g = m[_];
                        r[g.blockId] && (g.blockId = r[g.blockId].uniqueId)
                    }
                    i && this.editorData && this.editorData.locations && f.concat(this.editorData.locations),
                    e.locations ? this.editorData = {
                        locations: f
                    } : (this.editorData = e.editorData,
                    this.editorData.locations = f);
                    var v = [];
                    for (var y in r)
                        v[y] = r[y].uniqueId;
                    this.editorData.map = v
                }
                this.comment = e.comment,
                void 0 !== e.forceAlphaBlending && (this.forceAlphaBlending = e.forceAlphaBlending),
                i || (this._mode = null !== (n = e.mode) && void 0 !== n ? n : cf.Material)
            }
            ,
            t.prototype.clone = function(e, i) {
                var n = this;
                void 0 === i && (i = !1);
                var r = this.serialize()
                  , o = Ge.Clone((function() {
                    return new t(e,n.getScene(),n.options)
                }
                ), this);
                return o.id = e,
                o.name = e,
                o.loadFromSerialization(r),
                o._buildId = this._buildId,
                o.build(!1, !i),
                o
            }
            ,
            t.Parse = function(e, i, n) {
                void 0 === n && (n = "");
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return r.loadFromSerialization(e, n),
                r.build(),
                r
            }
            ,
            t.ParseFromFileAsync = function(e, i, n, r) {
                void 0 === r && (r = "");
                var o = new t(e,n);
                return new Promise((function(e, t) {
                    return o.loadAsync(i, r).then((function() {
                        o.build(),
                        e(o)
                    }
                    )).catch(t)
                }
                ))
            }
            ,
            t.ParseFromSnippetAsync = function(e, i, n, r) {
                var o = this;
                return void 0 === n && (n = ""),
                "_BLANK" === e ? Promise.resolve(this.CreateDefault("blank", i)) : new Promise((function(a, s) {
                    var l = new Ye;
                    l.addEventListener("readystatechange", (function() {
                        if (4 == l.readyState)
                            if (200 == l.status) {
                                var o = JSON.parse(JSON.parse(l.responseText).jsonPayload)
                                  , c = JSON.parse(o.nodeMaterial);
                                r || ((r = Ge.Parse((function() {
                                    return new t(e,i)
                                }
                                ), c, i, n)).uniqueId = i.getUniqueId()),
                                r.loadFromSerialization(c),
                                r.snippetId = e;
                                try {
                                    r.build(),
                                    a(r)
                                } catch (e) {
                                    s(e)
                                }
                            } else
                                s("Unable to load the snippet " + e)
                    }
                    )),
                    l.open("GET", o.SnippetUrl + "/" + e.replace(/#/g, "/")),
                    l.send()
                }
                ))
            }
            ,
            t.CreateDefault = function(e, i) {
                var n = new t(e,i);
                return n.setToDefault(),
                n.build(),
                n
            }
            ,
            t._BuildIdGenerator = 0,
            t.EditorURL = "https://unpkg.com/babylonjs-node-editor@".concat(vr.Version, "/babylon.nodeEditor.js"),
            t.SnippetUrl = "https://snippet.babylonjs.com",
            t.IgnoreTexturesAtLoadTime = !1,
            k([Ce()], t.prototype, "ignoreAlpha", void 0),
            k([Ce()], t.prototype, "maxSimultaneousLights", void 0),
            k([Ce("mode")], t.prototype, "_mode", void 0),
            k([Ce("comment")], t.prototype, "comment", void 0),
            k([Ce()], t.prototype, "forceAlphaBlending", void 0),
            t
        }(gs);
        y("BABYLON.NodeMaterial", Of),
        hr.prototype._projectOnTrianglesToRef = function(e, t, i, n, r, o) {
            for (var a = I.Vector3[0], s = I.Vector3[1], l = 1 / 0, c = this.indexStart; c < this.indexStart + this.indexCount - (3 - n); c += n) {
                var u = i[c]
                  , h = i[c + 1]
                  , d = i[c + 2];
                if (r && 4294967295 === d)
                    c += 2;
                else {
                    var p = t[u]
                      , f = t[h]
                      , _ = t[d];
                    if (p && f && _) {
                        var m = x.ProjectOnTriangleToRef(e, p, f, _, s);
                        m < l && (a.copyFrom(s),
                        l = m)
                    }
                }
            }
            return o.copyFrom(a),
            l
        }
        ,
        hr.prototype._projectOnUnIndexedTrianglesToRef = function(e, t, i, n) {
            for (var r = I.Vector3[0], o = I.Vector3[1], a = 1 / 0, s = this.verticesStart; s < this.verticesStart + this.verticesCount; s += 3) {
                var l = t[s]
                  , c = t[s + 1]
                  , u = t[s + 2]
                  , h = x.ProjectOnTriangleToRef(e, l, c, u, o);
                h < a && (r.copyFrom(o),
                a = h)
            }
            return n.copyFrom(r),
            a
        }
        ,
        hr.prototype.projectToRef = function(e, t, i, n) {
            var r = this.getMaterial();
            if (!r)
                return -1;
            var o = 3
              , s = !1;
            switch (r.fillMode) {
            case a.MATERIAL_PointListDrawMode:
            case a.MATERIAL_LineLoopDrawMode:
            case a.MATERIAL_LineStripDrawMode:
            case a.MATERIAL_TriangleFanDrawMode:
                return -1;
            case a.MATERIAL_TriangleStripDrawMode:
                o = 1,
                s = !0
            }
            return r.fillMode === a.MATERIAL_LineListDrawMode ? -1 : !i.length && this._mesh._unIndexed ? this._projectOnUnIndexedTrianglesToRef(e, t, i, n) : this._projectOnTrianglesToRef(e, t, i, o, s, n)
        }
        ,
        function(e) {
            e[e.DEHYDRATED = 0] = "DEHYDRATED",
            e[e.HOVER = 1] = "HOVER",
            e[e.TOUCH = 2] = "TOUCH"
        }(Cf || (Cf = {})),
        function(e) {
            e[e.DISABLED = 0] = "DISABLED",
            e[e.CENTERED_ON_CONTROLLER = 1] = "CENTERED_ON_CONTROLLER",
            e[e.CENTERED_IN_FRONT = 2] = "CENTERED_IN_FRONT"
        }(Pf || (Pf = {}));
        var Df = function(e) {
            function t(i, n) {
                var r = e.call(this, i) || this;
                return r._options = n,
                r._tmpRay = new _o(new x,new x),
                r._attachController = function(e) {
                    if (!r._controllers[e.uniqueId]) {
                        var i = r._generateNewTouchPointMesh()
                          , n = i.touchCollisionMesh
                          , o = i.touchCollisionMeshFunction
                          , a = i.hydrateCollisionMeshFunction
                          , s = r._generateVisualCue();
                        switch (r._controllers[e.uniqueId] = {
                            xrController: e,
                            meshUnderPointer: null,
                            nearInteractionTargetMesh: null,
                            pick: null,
                            stalePick: null,
                            touchCollisionMesh: n,
                            touchCollisionMeshFunction: o,
                            hydrateCollisionMeshFunction: a,
                            currentAnimationState: Cf.DEHYDRATED,
                            grabRay: new _o(new x,new x),
                            hoverInteraction: !1,
                            nearInteraction: !1,
                            grabInteraction: !1,
                            id: t._IdCounter++,
                            pickedPointVisualCue: s
                        },
                        r._attachedController ? !r._options.enableNearInteractionOnAllControllers && r._options.preferredHandedness && e.inputSource.handedness === r._options.preferredHandedness && (r._attachedController = e.uniqueId) : r._options.enableNearInteractionOnAllControllers || (r._attachedController = e.uniqueId),
                        e.inputSource.targetRayMode) {
                        case "tracked-pointer":
                            return r._attachNearInteractionMode(e);
                        case "gaze":
                        case "screen":
                            return null
                        }
                    }
                }
                ,
                r._controllers = {},
                r._farInteractionFeature = null,
                r.selectionMeshDefaultColor = new D(.8,.8,.8),
                r.selectionMeshPickedColor = new D(.3,.3,1),
                r._hoverRadius = .1,
                r._pickRadius = .02,
                r._controllerPickRadius = .03,
                r._nearGrabLengthScale = 5,
                r._scene = r._xrSessionManager.scene,
                void 0 === r._options.nearInteractionControllerMode && (r._options.nearInteractionControllerMode = Pf.CENTERED_IN_FRONT),
                r._options.farInteractionFeature && (r._farInteractionFeature = r._options.farInteractionFeature),
                r
            }
            return U(t, e),
            t.prototype.attach = function() {
                var t = this;
                return !!e.prototype.attach.call(this) && (this._options.xrInput.controllers.forEach(this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, (function(e) {
                    t._detachController(e.uniqueId)
                }
                )),
                this._scene.constantlyUpdateMeshUnderPointer = !0,
                !0)
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._controllers).forEach((function(e) {
                    t._detachController(e)
                }
                )),
                !0)
            }
            ,
            t.prototype.getMeshUnderPointer = function(e) {
                return this._controllers[e] ? this._controllers[e].meshUnderPointer : null
            }
            ,
            t.prototype.getXRControllerByPointerId = function(e) {
                for (var t = Object.keys(this._controllers), i = 0; i < t.length; ++i)
                    if (this._controllers[t[i]].id === e)
                        return this._controllers[t[i]].xrController || null;
                return null
            }
            ,
            t.prototype.setFarInteractionFeature = function(e) {
                this._farInteractionFeature = e
            }
            ,
            t.prototype._nearPickPredicate = function(e) {
                return e.isEnabled() && e.isVisible && e.isPickable && e.isNearPickable
            }
            ,
            t.prototype._nearGrabPredicate = function(e) {
                return e.isEnabled() && e.isVisible && e.isPickable && e.isNearGrabbable
            }
            ,
            t.prototype._nearInteractionPredicate = function(e) {
                return e.isEnabled() && e.isVisible && e.isPickable && (e.isNearPickable || e.isNearGrabbable)
            }
            ,
            t.prototype._controllerAvailablePredicate = function(e, t) {
                for (var i = e; i; ) {
                    if (i.reservedDataStore && i.reservedDataStore.nearInteraction && i.reservedDataStore.nearInteraction.excludedControllerId === t)
                        return !1;
                    i = i.parent
                }
                return !0
            }
            ,
            t.prototype._handleTransitionAnimation = function(e, t) {
                var i;
                if (e.currentAnimationState !== t && this._options.nearInteractionControllerMode === Pf.CENTERED_IN_FRONT && !(null === (i = e.xrController) || void 0 === i ? void 0 : i.inputSource.hand)) {
                    if (t > e.currentAnimationState)
                        switch (e.currentAnimationState) {
                        case Cf.DEHYDRATED:
                            if (e.hydrateCollisionMeshFunction(!0),
                            t === Cf.HOVER)
                                break;
                        case Cf.HOVER:
                            if (e.touchCollisionMeshFunction(!0),
                            t === Cf.TOUCH)
                                break
                        }
                    else
                        switch (e.currentAnimationState) {
                        case Cf.TOUCH:
                            if (e.touchCollisionMeshFunction(!1),
                            t === Cf.HOVER)
                                break;
                        case Cf.HOVER:
                            if (e.hydrateCollisionMeshFunction(!1),
                            t === Cf.DEHYDRATED)
                                break
                        }
                    e.currentAnimationState = t
                }
            }
            ,
            t.prototype._processTouchPoint = function(e, t, i) {
                var n, r = this._controllers[e];
                r.grabRay.origin.copyFrom(t),
                i.toEulerAnglesToRef(I.Vector3[0]),
                r.grabRay.direction.copyFrom(I.Vector3[0]),
                this._options.nearInteractionControllerMode !== Pf.CENTERED_IN_FRONT || (null === (n = r.xrController) || void 0 === n ? void 0 : n.inputSource.hand) || (r.xrController.getWorldPointerRayToRef(this._tmpRay),
                r.grabRay.origin.addInPlace(this._tmpRay.direction.scale(.05))),
                r.grabRay.length = this._nearGrabLengthScale * this._hoverRadius,
                r.touchCollisionMesh.position.copyFrom(r.grabRay.origin)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = this;
                Object.keys(this._controllers).forEach((function(i) {
                    var n, r = t._controllers[i], o = null === (n = r.xrController) || void 0 === n ? void 0 : n.inputSource.hand;
                    if ((t._options.enableNearInteractionOnAllControllers || i === t._attachedController) && r.xrController && (o || t._options.nearInteractionControllerMode && r.xrController.inputSource.gamepad)) {
                        if (r.hoverInteraction = !1,
                        r.nearInteraction = !1,
                        r.xrController) {
                            if (o) {
                                var a = o.get("index-finger-tip");
                                if (a) {
                                    var s = e.getJointPose(a, t._xrSessionManager.referenceSpace);
                                    if (s && s.transform) {
                                        var l = t._scene.useRightHandedSystem ? 1 : -1;
                                        I.Vector3[0].set(s.transform.position.x, s.transform.position.y, s.transform.position.z * l),
                                        I.Quaternion[0].set(s.transform.orientation.x, s.transform.orientation.y, s.transform.orientation.z * l, s.transform.orientation.w * l),
                                        t._processTouchPoint(i, I.Vector3[0], I.Quaternion[0])
                                    }
                                }
                            } else if (r.xrController.inputSource.gamepad && t._options.nearInteractionControllerMode !== Pf.DISABLED) {
                                var c = r.xrController.pointer;
                                r.xrController.grip && t._options.nearInteractionControllerMode === Pf.CENTERED_ON_CONTROLLER && (c = r.xrController.grip),
                                t._processTouchPoint(i, c.position, c.rotationQuaternion)
                            }
                            var u = function(e, t) {
                                return t && t.hit ? e && e.hit ? t.distance < e.distance ? t : e : t : e
                            }
                              , h = function(e) {
                                var t = new Ui
                                  , i = !1
                                  , n = e && e.pickedPoint && e.hit;
                                return (null == e ? void 0 : e.pickedPoint) && (i = 0 === e.pickedPoint.x && 0 === e.pickedPoint.y && 0 === e.pickedPoint.z),
                                n && !i && (t = e),
                                t
                            };
                            if (!r.grabInteraction) {
                                var d = null
                                  , p = null;
                                t._options.useUtilityLayer && t._utilityLayerScene && (p = t._pickWithSphere(r, t._hoverRadius, t._utilityLayerScene, (function(e) {
                                    return t._nearInteractionPredicate(e)
                                }
                                )));
                                var f = u(t._pickWithSphere(r, t._hoverRadius, t._scene, (function(e) {
                                    return t._nearInteractionPredicate(e)
                                }
                                )), p);
                                if (f && f.hit && (d = h(f)).hit && (r.hoverInteraction = !0),
                                r.hoverInteraction) {
                                    var _ = null
                                      , m = o ? t._pickRadius : t._controllerPickRadius;
                                    t._options.useUtilityLayer && t._utilityLayerScene && (_ = t._pickWithSphere(r, m, t._utilityLayerScene, (function(e) {
                                        return t._nearPickPredicate(e)
                                    }
                                    )));
                                    var g = h(u(t._pickWithSphere(r, m, t._scene, (function(e) {
                                        return t._nearPickPredicate(e)
                                    }
                                    )), _));
                                    g.hit && (d = g,
                                    r.nearInteraction = !0)
                                }
                                r.stalePick = r.pick,
                                r.pick = d,
                                r.pick && r.pick.pickedPoint && r.pick.hit ? (r.meshUnderPointer = r.pick.pickedMesh,
                                r.pickedPointVisualCue.position.copyFrom(r.pick.pickedPoint),
                                r.pickedPointVisualCue.isVisible = !0,
                                t._farInteractionFeature && t._farInteractionFeature.attached && t._farInteractionFeature._setPointerSelectionDisabledByPointerId(r.id, !0)) : (r.meshUnderPointer = null,
                                r.pickedPointVisualCue.isVisible = !1,
                                t._farInteractionFeature && t._farInteractionFeature.attached && t._farInteractionFeature._setPointerSelectionDisabledByPointerId(r.id, !1))
                            }
                            var v = Cf.DEHYDRATED;
                            r.grabInteraction || r.nearInteraction ? v = Cf.TOUCH : r.hoverInteraction && (v = Cf.HOVER),
                            t._handleTransitionAnimation(r, v)
                        }
                    } else
                        r.pick = null
                }
                ))
            }
            ,
            Object.defineProperty(t.prototype, "_utilityLayerScene", {
                get: function() {
                    return this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._generateVisualCue = function() {
                var e = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene : this._scene
                  , t = Dl("nearInteraction", {
                    diameter: .0105
                }, e);
                t.bakeCurrentTransformIntoVertices(),
                t.isPickable = !1,
                t.isVisible = !1,
                t.rotationQuaternion = C.Identity();
                var i = new Os("targetMat",e);
                return i.specularColor = D.Black(),
                i.emissiveColor = this.selectionMeshDefaultColor,
                i.backFaceCulling = !1,
                t.material = i,
                t
            }
            ,
            t.prototype._isControllerReadyForNearInteraction = function(e) {
                return !this._farInteractionFeature || this._farInteractionFeature._getPointerSelectionDisabledByPointerId(e)
            }
            ,
            t.prototype._attachNearInteractionMode = function(e) {
                var t = this
                  , i = this._controllers[e.uniqueId]
                  , n = {
                    pointerId: i.id,
                    pointerType: "xr"
                };
                i.onFrameObserver = this._xrSessionManager.onXRFrameObservable.add((function() {
                    (t._options.enableNearInteractionOnAllControllers || e.uniqueId === t._attachedController) && i.xrController && (i.xrController.inputSource.hand || t._options.nearInteractionControllerMode && i.xrController.inputSource.gamepad) && (i.pick && (i.pick.ray = i.grabRay),
                    i.pick && t._isControllerReadyForNearInteraction(i.id) && t._scene.simulatePointerMove(i.pick, n),
                    i.nearInteraction && i.pick && i.pick.hit ? i.nearInteractionTargetMesh || (t._scene.simulatePointerDown(i.pick, n),
                    i.nearInteractionTargetMesh = i.meshUnderPointer) : i.nearInteractionTargetMesh && i.stalePick && (t._scene.simulatePointerUp(i.stalePick, n),
                    i.nearInteractionTargetMesh = null))
                }
                ));
                var r = function(r) {
                    t._options.enableNearInteractionOnAllControllers || e.uniqueId === t._attachedController && t._isControllerReadyForNearInteraction(i.id) ? (i.pick && (i.pick.ray = i.grabRay),
                    r && i.pick && i.meshUnderPointer && t._nearGrabPredicate(i.meshUnderPointer) ? (i.grabInteraction = !0,
                    i.pickedPointVisualCue.isVisible = !1,
                    t._scene.simulatePointerDown(i.pick, n)) : !r && i.pick && i.grabInteraction && (t._scene.simulatePointerUp(i.pick, n),
                    i.grabInteraction = !1,
                    i.pickedPointVisualCue.isVisible = !0)) : !r || t._options.enableNearInteractionOnAllControllers || t._options.disableSwitchOnClick || (t._attachedController = e.uniqueId)
                };
                if (e.inputSource.gamepad) {
                    var o = function(e) {
                        i.squeezeComponent = e.getComponent("grasp"),
                        i.squeezeComponent ? i.onSqueezeButtonChangedObserver = i.squeezeComponent.onButtonStateChangedObservable.add((function(e) {
                            if (e.changes.pressed) {
                                var t = e.changes.pressed.current;
                                r(t)
                            }
                        }
                        )) : (i.selectionComponent = e.getMainComponent(),
                        i.onButtonChangedObserver = i.selectionComponent.onButtonStateChangedObservable.add((function(e) {
                            if (e.changes.pressed) {
                                var t = e.changes.pressed.current;
                                r(t)
                            }
                        }
                        )))
                    };
                    e.motionController ? o(e.motionController) : e.onMotionControllerInitObservable.add(o)
                } else {
                    var a = function(e) {
                        i.xrController && e.inputSource === i.xrController.inputSource && i.pick && t._isControllerReadyForNearInteraction(i.id) && i.meshUnderPointer && t._nearGrabPredicate(i.meshUnderPointer) && (i.grabInteraction = !0,
                        i.pickedPointVisualCue.isVisible = !1,
                        t._scene.simulatePointerDown(i.pick, n))
                    }
                      , s = function(e) {
                        i.xrController && e.inputSource === i.xrController.inputSource && i.pick && t._isControllerReadyForNearInteraction(i.id) && (t._scene.simulatePointerUp(i.pick, n),
                        i.grabInteraction = !1,
                        i.pickedPointVisualCue.isVisible = !0)
                    };
                    i.eventListeners = {
                        selectend: s,
                        selectstart: a
                    },
                    this._xrSessionManager.session.addEventListener("selectstart", a),
                    this._xrSessionManager.session.addEventListener("selectend", s)
                }
            }
            ,
            t.prototype._detachController = function(e) {
                var t = this
                  , i = this._controllers[e];
                if (i && (i.squeezeComponent && i.onSqueezeButtonChangedObserver && i.squeezeComponent.onButtonStateChangedObservable.remove(i.onSqueezeButtonChangedObserver),
                i.selectionComponent && i.onButtonChangedObserver && i.selectionComponent.onButtonStateChangedObservable.remove(i.onButtonChangedObserver),
                i.onFrameObserver && this._xrSessionManager.onXRFrameObservable.remove(i.onFrameObserver),
                i.eventListeners && Object.keys(i.eventListeners).forEach((function(e) {
                    var n = i.eventListeners && i.eventListeners[e];
                    n && t._xrSessionManager.session.removeEventListener(e, n)
                }
                )),
                i.touchCollisionMesh.dispose(),
                i.pickedPointVisualCue.dispose(),
                this._xrSessionManager.runInXRFrame((function() {
                    var e = {
                        pointerId: i.id,
                        pointerType: "xr"
                    };
                    t._scene.simulatePointerUp(new Ui, e)
                }
                )),
                delete this._controllers[e],
                this._attachedController === e)) {
                    var n = Object.keys(this._controllers);
                    n.length ? this._attachedController = n[0] : this._attachedController = ""
                }
            }
            ,
            t.prototype._generateNewTouchPointMesh = function() {
                var e = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene : this._scene
                  , t = Dl("PickSphere", {
                    diameter: 1
                }, e);
                t.isVisible = !1,
                this._options.motionControllerOrbMaterial ? t.material = this._options.motionControllerOrbMaterial : Of.ParseFromSnippetAsync("8RUNKL#3", e).then((function(e) {
                    t.material = e
                }
                ));
                var i = new Bn;
                i.setEasingMode(Mn.EASINGMODE_EASEINOUT);
                var n = new x(this._controllerPickRadius,this._controllerPickRadius,this._controllerPickRadius)
                  , r = this._controllerPickRadius * (4 / 3)
                  , o = new x(r,r,r)
                  , a = this._controllerPickRadius * (7 / 6)
                  , s = new x(a,a,a)
                  , l = .8 * this._controllerPickRadius
                  , c = new x(l,l,l)
                  , u = 1.5 * this._controllerPickRadius
                  , h = [{
                    frame: 0,
                    value: n
                }, {
                    frame: 10,
                    value: new x(u,u,u)
                }, {
                    frame: 18,
                    value: o
                }]
                  , d = [{
                    frame: 0,
                    value: o
                }, {
                    frame: 10,
                    value: c
                }, {
                    frame: 18,
                    value: n
                }]
                  , p = [{
                    frame: 0,
                    value: x.ZeroReadOnly
                }, {
                    frame: 12,
                    value: s
                }, {
                    frame: 15,
                    value: n
                }]
                  , f = [{
                    frame: 0,
                    value: n
                }, {
                    frame: 10,
                    value: x.ZeroReadOnly
                }, {
                    frame: 15,
                    value: x.ZeroReadOnly
                }]
                  , _ = new Qe("touch","scaling",60,Qe.ANIMATIONTYPE_VECTOR3,Qe.ANIMATIONLOOPMODE_CONSTANT)
                  , m = new Qe("release","scaling",60,Qe.ANIMATIONTYPE_VECTOR3,Qe.ANIMATIONLOOPMODE_CONSTANT)
                  , g = new Qe("hydrate","scaling",60,Qe.ANIMATIONTYPE_VECTOR3,Qe.ANIMATIONLOOPMODE_CONSTANT)
                  , v = new Qe("dehydrate","scaling",60,Qe.ANIMATIONTYPE_VECTOR3,Qe.ANIMATIONLOOPMODE_CONSTANT);
                return _.setEasingFunction(i),
                m.setEasingFunction(i),
                g.setEasingFunction(i),
                v.setEasingFunction(i),
                _.setKeys(h),
                m.setKeys(d),
                g.setKeys(p),
                v.setKeys(f),
                {
                    touchCollisionMesh: t,
                    touchCollisionMeshFunction: function(i) {
                        var n = i ? _ : m;
                        e.beginDirectAnimation(t, [n], 0, 18, !1, 1)
                    },
                    hydrateCollisionMeshFunction: function(i) {
                        var n = i ? g : v;
                        i && (t.isVisible = !0),
                        e.beginDirectAnimation(t, [n], 0, 15, !1, 1, (function() {
                            i || (t.isVisible = !1)
                        }
                        ))
                    }
                }
            }
            ,
            t.prototype._pickWithSphere = function(e, i, n, r) {
                var o = new Ui;
                if (o.distance = 1 / 0,
                e.touchCollisionMesh && e.xrController)
                    for (var a = e.touchCollisionMesh.position, s = ir.CreateFromCenterAndRadius(a, i), l = 0; l < n.meshes.length; l++) {
                        var c = n.meshes[l];
                        if (r(c) && this._controllerAvailablePredicate(c, e.xrController.uniqueId)) {
                            var u = t.PickMeshWithSphere(c, s);
                            u && u.hit && u.distance < o.distance && (o.hit = u.hit,
                            o.pickedMesh = c,
                            o.pickedPoint = u.pickedPoint,
                            o.aimTransform = e.xrController.pointer,
                            o.gripTransform = e.xrController.grip || null,
                            o.originMesh = e.touchCollisionMesh,
                            o.distance = u.distance)
                        }
                    }
                return o
            }
            ,
            t.PickMeshWithSphere = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = e.subMeshes
                  , r = new Ui
                  , o = e.getBoundingInfo();
                if (!e._generatePointsArray())
                    return r;
                if (!e.subMeshes || !o)
                    return r;
                if (!i && !ir.Intersects(o.boundingSphere, t))
                    return r;
                var a, s, l, c = I.Vector3[0], u = I.Vector3[1], h = 1 / 0, d = I.Vector3[2], p = I.Matrix[0];
                p.copyFrom(e.getWorldMatrix()),
                p.invert(),
                x.TransformCoordinatesToRef(t.center, p, d);
                for (var f = 0; f < n.length; f++)
                    n[f].projectToRef(d, e._positions, e.getIndices(), u),
                    x.TransformCoordinatesToRef(u, e.getWorldMatrix(), u),
                    a = x.Distance(u, t.center),
                    l = x.Distance(u, e.getAbsolutePosition()),
                    -1 !== (s = x.Distance(t.center, e.getAbsolutePosition())) && -1 !== l && l > s && (a = 0,
                    u.copyFrom(t.center)),
                    -1 !== a && a < h && (h = a,
                    c.copyFrom(u));
                return h < t.radius && (r.hit = !0,
                r.distance = h,
                r.pickedMesh = e,
                r.pickedPoint = c.clone()),
                r
            }
            ,
            t._IdCounter = 200,
            t.Name = Io.NEAR_INTERACTION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(Df.Name, (function(e, t) {
            return function() {
                return new Df(e,t)
            }
        }
        ), Df.Version, !0);
        var Nf, Lf = function() {
            function e(e, t, i) {
                this.element = e,
                this.sessionMode = t,
                this.referenceSpaceType = i
            }
            return e.prototype.update = function(e) {}
            ,
            e
        }(), Ff = function() {}, wf = function() {
            function e(e, t) {
                var i = this;
                if (this._scene = e,
                this.options = t,
                this._activeButton = null,
                this._buttons = [],
                this.activeButtonChangedObservable = new h,
                this._onSessionGranted = function(e) {
                    i._helper && i._enterXRWithButtonIndex(0)
                }
                ,
                this.overlay = document.createElement("div"),
                this.overlay.classList.add("xr-button-overlay"),
                this.overlay.style.cssText = "z-index:11;position: absolute; right: 20px;bottom: 50px;",
                !t.ignoreSessionGrantedEvent && navigator.xr && navigator.xr.addEventListener("sessiongranted", this._onSessionGranted),
                "undefined" != typeof window && window.location && "http:" === window.location.protocol && "localhost" !== window.location.hostname)
                    throw gi.Warn("WebXR can only be served over HTTPS"),
                    new Error("WebXR can only be served over HTTPS");
                if (t.customButtons)
                    this._buttons = t.customButtons;
                else {
                    var n = t.sessionMode || "immersive-vr"
                      , r = t.referenceSpaceType || "local-floor"
                      , o = ".babylonVRicon { color: #868686; border-color: #868686; border-style: solid; margin-left: 10px; height: 50px; width: 80px; background-color: rgba(51,51,51,0.7); background-image: url(" + ("undefined" == typeof SVGSVGElement ? "https://cdn.babylonjs.com/Assets/vrButton.png" : "data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%222048%22%20height%3D%221152%22%20viewBox%3D%220%200%202048%201152%22%20version%3D%221.1%22%3E%3Cpath%20transform%3D%22rotate%28180%201024%2C576.0000000000001%29%22%20d%3D%22m1109%2C896q17%2C0%2030%2C-12t13%2C-30t-12.5%2C-30.5t-30.5%2C-12.5l-170%2C0q-18%2C0%20-30.5%2C12.5t-12.5%2C30.5t13%2C30t30%2C12l170%2C0zm-85%2C256q59%2C0%20132.5%2C-1.5t154.5%2C-5.5t164.5%2C-11.5t163%2C-20t150%2C-30t124.5%2C-41.5q23%2C-11%2042%2C-24t38%2C-30q27%2C-25%2041%2C-61.5t14%2C-72.5l0%2C-257q0%2C-123%20-47%2C-232t-128%2C-190t-190%2C-128t-232%2C-47l-81%2C0q-37%2C0%20-68.5%2C14t-60.5%2C34.5t-55.5%2C45t-53%2C45t-53%2C34.5t-55.5%2C14t-55.5%2C-14t-53%2C-34.5t-53%2C-45t-55.5%2C-45t-60.5%2C-34.5t-68.5%2C-14l-81%2C0q-123%2C0%20-232%2C47t-190%2C128t-128%2C190t-47%2C232l0%2C257q0%2C68%2038%2C115t97%2C73q54%2C24%20124.5%2C41.5t150%2C30t163%2C20t164.5%2C11.5t154.5%2C5.5t132.5%2C1.5zm939%2C-298q0%2C39%20-24.5%2C67t-58.5%2C42q-54%2C23%20-122%2C39.5t-143.5%2C28t-155.5%2C19t-157%2C11t-148.5%2C5t-129.5%2C1.5q-59%2C0%20-130%2C-1.5t-148%2C-5t-157%2C-11t-155.5%2C-19t-143.5%2C-28t-122%2C-39.5q-34%2C-14%20-58.5%2C-42t-24.5%2C-67l0%2C-257q0%2C-106%2040.5%2C-199t110%2C-162.5t162.5%2C-109.5t199%2C-40l81%2C0q27%2C0%2052%2C14t50%2C34.5t51%2C44.5t55.5%2C44.5t63.5%2C34.5t74%2C14t74%2C-14t63.5%2C-34.5t55.5%2C-44.5t51%2C-44.5t50%2C-34.5t52%2C-14l14%2C0q37%2C0%2070%2C0.5t64.5%2C4.5t63.5%2C12t68%2C23q71%2C30%20128.5%2C78.5t98.5%2C110t63.5%2C133.5t22.5%2C149l0%2C257z%22%20fill%3D%22white%22%20/%3E%3C/svg%3E%0A") + "); background-size: 80%; background-repeat:no-repeat; background-position: center; border: none; outline: none; transition: transform 0.125s ease-out } .babylonVRicon:hover { transform: scale(1.05) } .babylonVRicon:active {background-color: rgba(51,51,51,1) } .babylonVRicon:focus {background-color: rgba(51,51,51,1) }";
                    o += '.babylonVRicon.vrdisplaypresenting { background-image: none;} .vrdisplaypresenting::after { content: "EXIT"} .xr-error::after { content: "ERROR"}';
                    var a = document.createElement("style");
                    a.appendChild(document.createTextNode(o)),
                    document.getElementsByTagName("head")[0].appendChild(a);
                    var s = document.createElement("button");
                    s.className = "babylonVRicon",
                    s.title = "".concat(n, " - ").concat(r),
                    this._buttons.push(new Lf(s,n,r)),
                    this._buttons[this._buttons.length - 1].update = function(e) {
                        this.element.style.display = null === e || e === this ? "" : "none",
                        s.className = "babylonVRicon" + (e === this ? " vrdisplaypresenting" : "")
                    }
                    ,
                    this._updateButtons(null)
                }
                var l = e.getEngine().getInputElement();
                l && l.parentNode && (l.parentNode.appendChild(this.overlay),
                e.onDisposeObservable.addOnce((function() {
                    i.dispose()
                }
                )))
            }
            return e.prototype.setHelperAsync = function(e, t) {
                return G(this, void 0, void 0, (function() {
                    var i, n = this;
                    return z(this, (function(r) {
                        switch (r.label) {
                        case 0:
                            return this._helper = e,
                            this._renderTarget = t,
                            i = this._buttons.map((function(t) {
                                return e.sessionManager.isSessionSupportedAsync(t.sessionMode)
                            }
                            )),
                            e.onStateChangedObservable.add((function(e) {
                                e == Ns.NOT_IN_XR && n._updateButtons(null)
                            }
                            )),
                            [4, Promise.all(i)];
                        case 1:
                            return r.sent().forEach((function(e, t) {
                                e ? (n.overlay.appendChild(n._buttons[t].element),
                                n._buttons[t].element.onclick = n._enterXRWithButtonIndex.bind(n, t)) : gi.Warn('Session mode "'.concat(n._buttons[t].sessionMode, '" not supported in browser'))
                            }
                            )),
                            [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.CreateAsync = function(t, i, n) {
                return G(this, void 0, void 0, (function() {
                    var r;
                    return z(this, (function(o) {
                        switch (o.label) {
                        case 0:
                            return [4, (r = new e(t,n)).setHelperAsync(i, n.renderTarget || void 0)];
                        case 1:
                            return o.sent(),
                            [2, r]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype._enterXRWithButtonIndex = function(e) {
                return void 0 === e && (e = 0),
                G(this, void 0, void 0, (function() {
                    var t, i, n;
                    return z(this, (function(r) {
                        switch (r.label) {
                        case 0:
                            return this._helper.state != Ns.IN_XR ? [3, 2] : [4, this._helper.exitXRAsync()];
                        case 1:
                            return r.sent(),
                            this._updateButtons(null),
                            [3, 6];
                        case 2:
                            if (this._helper.state != Ns.NOT_IN_XR)
                                return [3, 6];
                            r.label = 3;
                        case 3:
                            return r.trys.push([3, 5, , 6]),
                            [4, this._helper.enterXRAsync(this._buttons[e].sessionMode, this._buttons[e].referenceSpaceType, this._renderTarget, {
                                optionalFeatures: this.options.optionalFeatures,
                                requiredFeatures: this.options.requiredFeatures
                            })];
                        case 4:
                            return r.sent(),
                            this._updateButtons(this._buttons[e]),
                            [3, 6];
                        case 5:
                            return t = r.sent(),
                            this._updateButtons(null),
                            i = this._buttons[e].element,
                            n = i.title,
                            i.title = "Error entering XR session : " + n,
                            i.classList.add("xr-error"),
                            this.options.onError && this.options.onError(t),
                            [3, 6];
                        case 6:
                            return [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                var e = this._scene.getEngine().getInputElement();
                e && e.parentNode && e.parentNode.contains(this.overlay) && e.parentNode.removeChild(this.overlay),
                this.activeButtonChangedObservable.clear(),
                navigator.xr.removeEventListener("sessiongranted", this._onSessionGranted)
            }
            ,
            e.prototype._updateButtons = function(e) {
                var t = this;
                this._activeButton = e,
                this._buttons.forEach((function(e) {
                    e.update(t._activeButton)
                }
                )),
                this.activeButtonChangedObservable.notifyObservers(this._activeButton)
            }
            ,
            e
        }();
        function Bf(e) {
            var t, i = 0, n = Date.now();
            e.observableParameters = null !== (t = e.observableParameters) && void 0 !== t ? t : {};
            var r = e.contextObservable.add((function(t) {
                var o = Date.now()
                  , a = {
                    startTime: n,
                    currentTime: o,
                    deltaTime: i = o - n,
                    completeRate: i / e.timeout,
                    payload: t
                };
                e.onTick && e.onTick(a),
                e.breakCondition && e.breakCondition() && (e.contextObservable.remove(r),
                e.onAborted && e.onAborted(a)),
                i >= e.timeout && (e.contextObservable.remove(r),
                e.onEnded && e.onEnded(a))
            }
            ), e.observableParameters.mask, e.observableParameters.insertFirst, e.observableParameters.scope);
            return r
        }
        !function(e) {
            e[e.INIT = 0] = "INIT",
            e[e.STARTED = 1] = "STARTED",
            e[e.ENDED = 2] = "ENDED"
        }(Nf || (Nf = {}));
        var Uf = function() {
            function e(e) {
                var t, i, n = this;
                this.onEachCountObservable = new h,
                this.onTimerAbortedObservable = new h,
                this.onTimerEndedObservable = new h,
                this.onStateChangedObservable = new h,
                this._observer = null,
                this._breakOnNextTick = !1,
                this._tick = function(e) {
                    var t = Date.now();
                    n._timer = t - n._startTime;
                    var i = {
                        startTime: n._startTime,
                        currentTime: t,
                        deltaTime: n._timer,
                        completeRate: n._timer / n._timeToEnd,
                        payload: e
                    }
                      , r = n._breakOnNextTick || n._breakCondition(i);
                    r || n._timer >= n._timeToEnd ? n._stop(i, r) : n.onEachCountObservable.notifyObservers(i)
                }
                ,
                this._setState(Nf.INIT),
                this._contextObservable = e.contextObservable,
                this._observableParameters = null !== (t = e.observableParameters) && void 0 !== t ? t : {},
                this._breakCondition = null !== (i = e.breakCondition) && void 0 !== i ? i : function() {
                    return !1
                }
                ,
                this._timeToEnd = e.timeout,
                e.onEnded && this.onTimerEndedObservable.add(e.onEnded),
                e.onTick && this.onEachCountObservable.add(e.onTick),
                e.onAborted && this.onTimerAbortedObservable.add(e.onAborted)
            }
            return Object.defineProperty(e.prototype, "breakCondition", {
                set: function(e) {
                    this._breakCondition = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.clearObservables = function() {
                this.onEachCountObservable.clear(),
                this.onTimerAbortedObservable.clear(),
                this.onTimerEndedObservable.clear(),
                this.onStateChangedObservable.clear()
            }
            ,
            e.prototype.start = function(e) {
                if (void 0 === e && (e = this._timeToEnd),
                this._state === Nf.STARTED)
                    throw new Error("Timer already started. Please stop it before starting again");
                this._timeToEnd = e,
                this._startTime = Date.now(),
                this._timer = 0,
                this._observer = this._contextObservable.add(this._tick, this._observableParameters.mask, this._observableParameters.insertFirst, this._observableParameters.scope),
                this._setState(Nf.STARTED)
            }
            ,
            e.prototype.stop = function() {
                this._state === Nf.STARTED && (this._breakOnNextTick = !0)
            }
            ,
            e.prototype.dispose = function() {
                this._observer && this._contextObservable.remove(this._observer),
                this.clearObservables()
            }
            ,
            e.prototype._setState = function(e) {
                this._state = e,
                this.onStateChangedObservable.notifyObservers(this._state)
            }
            ,
            e.prototype._stop = function(e, t) {
                void 0 === t && (t = !1),
                this._contextObservable.remove(this._observer),
                this._setState(Nf.ENDED),
                t ? this.onTimerAbortedObservable.notifyObservers(e) : this.onTimerEndedObservable.notifyObservers(e)
            }
            ,
            e
        }()
          , Vf = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n._options = i,
                n._controllers = {},
                n._snappedToPoint = !1,
                n._tmpRay = new _o(new x,new x),
                n._tmpVector = new x,
                n._tmpQuaternion = new C,
                n.skipNextTeleportation = !1,
                n.backwardsMovementEnabled = !0,
                n.backwardsTeleportationDistance = .7,
                n.parabolicCheckRadius = 5,
                n.parabolicRayEnabled = !0,
                n.straightRayEnabled = !0,
                n.rotationAngle = Math.PI / 8,
                n.onTargetMeshPositionUpdatedObservable = new h,
                n.teleportationEnabled = !0,
                n._rotationEnabled = !0,
                n._attachController = function(e) {
                    if (!(n._controllers[e.uniqueId] || n._options.forceHandedness && e.inputSource.handedness !== n._options.forceHandedness)) {
                        n._controllers[e.uniqueId] = {
                            xrController: e,
                            teleportationState: {
                                forward: !1,
                                backwards: !1,
                                rotating: !1,
                                currentRotation: 0,
                                baseRotation: 0
                            }
                        };
                        var t = n._controllers[e.uniqueId];
                        if ("tracked-pointer" === t.xrController.inputSource.targetRayMode && t.xrController.inputSource.gamepad) {
                            var i = function() {
                                if (e.motionController) {
                                    var i = e.motionController.getComponentOfType(Ap.THUMBSTICK_TYPE) || e.motionController.getComponentOfType(Ap.TOUCHPAD_TYPE);
                                    if (!i || n._options.useMainComponentOnly) {
                                        var r = e.motionController.getMainComponent();
                                        if (!r)
                                            return;
                                        t.teleportationComponent = r,
                                        t.onButtonChangedObserver = r.onButtonStateChangedObservable.add((function() {
                                            n.teleportationEnabled && r.changes.pressed && (r.changes.pressed.current ? (t.teleportationState.forward = !0,
                                            n._currentTeleportationControllerId = t.xrController.uniqueId,
                                            t.teleportationState.baseRotation = n._options.xrInput.xrCamera.rotationQuaternion.toEulerAngles().y,
                                            t.teleportationState.currentRotation = 0,
                                            Bf({
                                                timeout: n._options.timeToTeleport || 3e3,
                                                contextObservable: n._xrSessionManager.onXRFrameObservable,
                                                breakCondition: function() {
                                                    return !r.pressed
                                                },
                                                onEnded: function() {
                                                    n._currentTeleportationControllerId === t.xrController.uniqueId && t.teleportationState.forward && n._teleportForward(e.uniqueId)
                                                }
                                            })) : (t.teleportationState.forward = !1,
                                            n._currentTeleportationControllerId = ""))
                                        }
                                        ))
                                    } else
                                        t.teleportationComponent = i,
                                        t.onAxisChangedObserver = i.onAxisValueChangedObservable.add((function(i) {
                                            if (i.y <= .7 && t.teleportationState.backwards && (t.teleportationState.backwards = !1),
                                            i.y > .7 && !t.teleportationState.forward && n.backwardsMovementEnabled && !n.snapPointsOnly && !t.teleportationState.backwards) {
                                                t.teleportationState.backwards = !0,
                                                n._tmpQuaternion.copyFrom(n._options.xrInput.xrCamera.rotationQuaternion),
                                                n._tmpQuaternion.toEulerAnglesToRef(n._tmpVector),
                                                n._tmpVector.x = 0,
                                                n._tmpVector.z = 0,
                                                C.FromEulerVectorToRef(n._tmpVector, n._tmpQuaternion),
                                                n._tmpVector.set(0, 0, n.backwardsTeleportationDistance * (n._xrSessionManager.scene.useRightHandedSystem ? 1 : -1)),
                                                n._tmpVector.rotateByQuaternionToRef(n._tmpQuaternion, n._tmpVector),
                                                n._tmpVector.addInPlace(n._options.xrInput.xrCamera.position),
                                                n._tmpRay.origin.copyFrom(n._tmpVector),
                                                n._tmpRay.length = n._options.xrInput.xrCamera.realWorldHeight + .1,
                                                n._tmpRay.direction.set(0, -1, 0);
                                                var r = n._xrSessionManager.scene.pickWithRay(n._tmpRay, (function(e) {
                                                    return -1 !== n._floorMeshes.indexOf(e)
                                                }
                                                ));
                                                r && r.pickedPoint && (n._options.xrInput.xrCamera.position.x = r.pickedPoint.x,
                                                n._options.xrInput.xrCamera.position.z = r.pickedPoint.z)
                                            }
                                            if (i.y < -.7 && !n._currentTeleportationControllerId && !t.teleportationState.rotating && n.teleportationEnabled && (t.teleportationState.forward = !0,
                                            n._currentTeleportationControllerId = t.xrController.uniqueId,
                                            t.teleportationState.baseRotation = n._options.xrInput.xrCamera.rotationQuaternion.toEulerAngles().y),
                                            i.x) {
                                                if (t.teleportationState.forward)
                                                    n._currentTeleportationControllerId === t.xrController.uniqueId && (n.rotationEnabled ? setTimeout((function() {
                                                        t.teleportationState.currentRotation = Math.atan2(i.x, i.y * (n._xrSessionManager.scene.useRightHandedSystem ? 1 : -1))
                                                    }
                                                    )) : t.teleportationState.currentRotation = 0);
                                                else if (!t.teleportationState.rotating && Math.abs(i.x) > .7) {
                                                    t.teleportationState.rotating = !0;
                                                    var o = n.rotationAngle * (i.x > 0 ? 1 : -1) * (n._xrSessionManager.scene.useRightHandedSystem ? -1 : 1);
                                                    C.FromEulerAngles(0, o, 0).multiplyToRef(n._options.xrInput.xrCamera.rotationQuaternion, n._options.xrInput.xrCamera.rotationQuaternion)
                                                }
                                            } else
                                                t.teleportationState.rotating = !1;
                                            0 === i.x && 0 === i.y && t.teleportationState.forward && n._teleportForward(e.uniqueId)
                                        }
                                        ))
                                }
                            };
                            e.motionController ? i() : e.onMotionControllerInitObservable.addOnce((function() {
                                i()
                            }
                            ))
                        } else
                            n._xrSessionManager.scene.onPointerObservable.add((function(i) {
                                i.type === Xi.POINTERDOWN ? (t.teleportationState.forward = !0,
                                n._currentTeleportationControllerId = t.xrController.uniqueId,
                                t.teleportationState.baseRotation = n._options.xrInput.xrCamera.rotationQuaternion.toEulerAngles().y,
                                t.teleportationState.currentRotation = 0,
                                Bf({
                                    timeout: n._options.timeToTeleport || 3e3,
                                    contextObservable: n._xrSessionManager.onXRFrameObservable,
                                    onEnded: function() {
                                        n._currentTeleportationControllerId === t.xrController.uniqueId && t.teleportationState.forward && n._teleportForward(e.uniqueId)
                                    }
                                })) : i.type === Xi.POINTERUP && (t.teleportationState.forward = !1,
                                n._currentTeleportationControllerId = "")
                            }
                            ))
                    }
                }
                ,
                n._options.teleportationTargetMesh || n._createDefaultTargetMesh(),
                n._floorMeshes = n._options.floorMeshes || [],
                n._snapToPositions = n._options.snapPositions || [],
                n._setTargetMeshVisibility(!1),
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "rotationEnabled", {
                get: function() {
                    return this._rotationEnabled
                },
                set: function(e) {
                    if (this._rotationEnabled = e,
                    this._options.teleportationTargetMesh) {
                        var t = this._options.teleportationTargetMesh.getChildMeshes(!1, (function(e) {
                            return "rotationCone" === e.name
                        }
                        ));
                        t[0] && t[0].setEnabled(e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "teleportationTargetMesh", {
                get: function() {
                    return this._options.teleportationTargetMesh || null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "snapPointsOnly", {
                get: function() {
                    return !!this._options.snapPointsOnly
                },
                set: function(e) {
                    this._options.snapPointsOnly = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addFloorMesh = function(e) {
                this._floorMeshes.push(e)
            }
            ,
            t.prototype.addBlockerMesh = function(e) {
                this._options.pickBlockerMeshes = this._options.pickBlockerMeshes || [],
                this._options.pickBlockerMeshes.push(e)
            }
            ,
            t.prototype.addSnapPoint = function(e) {
                this._snapToPositions.push(e)
            }
            ,
            t.prototype.attach = function() {
                var t = this;
                return !!e.prototype.attach.call(this) && (this._currentTeleportationControllerId = "",
                this._options.xrInput.controllers.forEach(this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, (function(e) {
                    t._detachController(e.uniqueId)
                }
                )),
                !0)
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._controllers).forEach((function(e) {
                    t._detachController(e)
                }
                )),
                this._setTargetMeshVisibility(!1),
                this._currentTeleportationControllerId = "",
                this._controllers = {},
                !0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._options.teleportationTargetMesh && this._options.teleportationTargetMesh.dispose(!1, !0)
            }
            ,
            t.prototype.removeFloorMesh = function(e) {
                var t = this._floorMeshes.indexOf(e);
                -1 !== t && this._floorMeshes.splice(t, 1)
            }
            ,
            t.prototype.removeBlockerMesh = function(e) {
                this._options.pickBlockerMeshes = this._options.pickBlockerMeshes || [];
                var t = this._options.pickBlockerMeshes.indexOf(e);
                -1 !== t && this._options.pickBlockerMeshes.splice(t, 1)
            }
            ,
            t.prototype.removeFloorMeshByName = function(e) {
                var t = this._xrSessionManager.scene.getMeshByName(e);
                t && this.removeFloorMesh(t)
            }
            ,
            t.prototype.removeSnapPoint = function(e) {
                var t = this._snapToPositions.indexOf(e);
                if (-1 === t)
                    for (var i = 0; i < this._snapToPositions.length; ++i)
                        if (this._snapToPositions[i].equals(e)) {
                            t = i;
                            break
                        }
                return -1 !== t && (this._snapToPositions.splice(t, 1),
                !0)
            }
            ,
            t.prototype.setSelectionFeature = function(e) {
                this._selectionFeature = e
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = this
                  , i = this._xrSessionManager.currentFrame
                  , n = this._xrSessionManager.scene;
                if (this.attach && i) {
                    var r = this._options.teleportationTargetMesh;
                    if (this._currentTeleportationControllerId) {
                        if (!r)
                            return;
                        r.rotationQuaternion = r.rotationQuaternion || new C;
                        var o = this._controllers[this._currentTeleportationControllerId];
                        if (o && o.teleportationState.forward) {
                            C.RotationYawPitchRollToRef(o.teleportationState.currentRotation + o.teleportationState.baseRotation, 0, 0, r.rotationQuaternion);
                            var a = !1;
                            if (o.xrController.getWorldPointerRayToRef(this._tmpRay),
                            this.straightRayEnabled) {
                                if ((s = n.pickWithRay(this._tmpRay, (function(e) {
                                    if (t._options.pickBlockerMeshes && -1 !== t._options.pickBlockerMeshes.indexOf(e))
                                        return !0;
                                    var i = t._floorMeshes.indexOf(e);
                                    return -1 !== i && t._floorMeshes[i].absolutePosition.y < t._options.xrInput.xrCamera.globalPosition.y
                                }
                                ))) && s.pickedMesh && this._options.pickBlockerMeshes && -1 !== this._options.pickBlockerMeshes.indexOf(s.pickedMesh))
                                    return;
                                s && s.pickedPoint && (a = !0,
                                this._setTargetMeshPosition(s),
                                this._setTargetMeshVisibility(!0),
                                this._showParabolicPath(s))
                            }
                            if (this.parabolicRayEnabled && !a) {
                                var s, l = o.xrController.pointer.rotationQuaternion.toEulerAngles().x, c = Math.PI / 2 - Math.abs(l) + 1, u = this.parabolicCheckRadius * c;
                                if (this._tmpRay.origin.addToRef(this._tmpRay.direction.scale(2 * u), this._tmpVector),
                                this._tmpVector.y = this._tmpRay.origin.y,
                                this._tmpRay.origin.addInPlace(this._tmpRay.direction.scale(u)),
                                this._tmpVector.subtractToRef(this._tmpRay.origin, this._tmpRay.direction),
                                this._tmpRay.direction.normalize(),
                                (s = n.pickWithRay(this._tmpRay, (function(e) {
                                    return !(!t._options.pickBlockerMeshes || -1 === t._options.pickBlockerMeshes.indexOf(e)) || -1 !== t._floorMeshes.indexOf(e)
                                }
                                ))) && s.pickedMesh && this._options.pickBlockerMeshes && -1 !== this._options.pickBlockerMeshes.indexOf(s.pickedMesh))
                                    return;
                                s && s.pickedPoint && (a = !0,
                                this._setTargetMeshPosition(s),
                                this._setTargetMeshVisibility(!0),
                                this._showParabolicPath(s))
                            }
                            this._setTargetMeshVisibility(a)
                        } else
                            this._setTargetMeshVisibility(!1)
                    } else
                        this._setTargetMeshVisibility(!1)
                }
            }
            ,
            t.prototype._createDefaultTargetMesh = function() {
                this._options.defaultTargetMeshOptions = this._options.defaultTargetMeshOptions || {};
                var e = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene : this._xrSessionManager.scene
                  , t = il("teleportationTarget", {
                    width: 2,
                    height: 2,
                    subdivisions: 2
                }, e);
                t.isPickable = !1;
                var i = new Ds("teleportationPlaneDynamicTexture",512,e,!0);
                i.hasAlpha = !0;
                var n = i.getContext();
                n.beginPath(),
                n.arc(256, 256, 200, 0, 2 * Math.PI, !1),
                n.fillStyle = this._options.defaultTargetMeshOptions.teleportationFillColor || "#444444",
                n.fill(),
                n.lineWidth = 10,
                n.strokeStyle = this._options.defaultTargetMeshOptions.teleportationBorderColor || "#FFFFFF",
                n.stroke(),
                n.closePath(),
                i.update();
                var r = new Os("teleportationPlaneMaterial",e);
                r.diffuseTexture = i,
                t.material = r;
                var o = qs("torusTeleportation", {
                    diameter: .75,
                    thickness: .1,
                    tessellation: 20
                }, e);
                if (o.isPickable = !1,
                o.parent = t,
                !this._options.defaultTargetMeshOptions.disableAnimation) {
                    var a = new Qe("animationInnerCircle","position.y",30,Qe.ANIMATIONTYPE_FLOAT,Qe.ANIMATIONLOOPMODE_CYCLE)
                      , s = [];
                    s.push({
                        frame: 0,
                        value: 0
                    }),
                    s.push({
                        frame: 30,
                        value: .4
                    }),
                    s.push({
                        frame: 60,
                        value: 0
                    }),
                    a.setKeys(s);
                    var l = new kn;
                    l.setEasingMode(Mn.EASINGMODE_EASEINOUT),
                    a.setEasingFunction(l),
                    o.animations = [],
                    o.animations.push(a),
                    e.beginAnimation(o, 0, 60, !0)
                }
                var c = Ys("rotationCone", {
                    diameterTop: 0,
                    tessellation: 4
                }, e);
                if (c.isPickable = !1,
                c.scaling.set(.5, .12, .2),
                c.rotate(vn.X, Math.PI / 2),
                c.position.z = .6,
                c.parent = o,
                this._options.defaultTargetMeshOptions.torusArrowMaterial)
                    o.material = this._options.defaultTargetMeshOptions.torusArrowMaterial,
                    c.material = this._options.defaultTargetMeshOptions.torusArrowMaterial;
                else {
                    var u = new Os("torusConsMat",e);
                    u.disableLighting = !!this._options.defaultTargetMeshOptions.disableLighting,
                    u.disableLighting ? u.emissiveColor = new D(.3,.3,1) : u.diffuseColor = new D(.3,.3,1),
                    u.alpha = .9,
                    o.material = u,
                    c.material = u,
                    this._teleportationRingMaterial = u
                }
                void 0 !== this._options.renderingGroupId && (t.renderingGroupId = this._options.renderingGroupId,
                o.renderingGroupId = this._options.renderingGroupId,
                c.renderingGroupId = this._options.renderingGroupId),
                this._options.teleportationTargetMesh = t
            }
            ,
            t.prototype._detachController = function(e) {
                var t = this._controllers[e];
                t && (t.teleportationComponent && (t.onAxisChangedObserver && t.teleportationComponent.onAxisValueChangedObservable.remove(t.onAxisChangedObserver),
                t.onButtonChangedObserver && t.teleportationComponent.onButtonStateChangedObservable.remove(t.onButtonChangedObserver)),
                delete this._controllers[e])
            }
            ,
            t.prototype._findClosestSnapPointWithRadius = function(e, t) {
                void 0 === t && (t = this._options.snapToPositionRadius || .8);
                var i = null
                  , n = Number.MAX_VALUE;
                if (this._snapToPositions.length) {
                    var r = t * t;
                    this._snapToPositions.forEach((function(t) {
                        var o = x.DistanceSquared(t, e);
                        o <= r && o < n && (n = o,
                        i = t)
                    }
                    ))
                }
                return i
            }
            ,
            t.prototype._setTargetMeshPosition = function(e) {
                var t = e.pickedPoint;
                if (this._options.teleportationTargetMesh && t) {
                    var i = this._findClosestSnapPointWithRadius(t);
                    this._snappedToPoint = !!i,
                    this.snapPointsOnly && !this._snappedToPoint && this._teleportationRingMaterial ? this._teleportationRingMaterial.diffuseColor.set(1, .3, .3) : this.snapPointsOnly && this._snappedToPoint && this._teleportationRingMaterial && this._teleportationRingMaterial.diffuseColor.set(.3, .3, 1),
                    this._options.teleportationTargetMesh.position.copyFrom(i || t),
                    this._options.teleportationTargetMesh.position.y += .01,
                    this.onTargetMeshPositionUpdatedObservable.notifyObservers(e)
                }
            }
            ,
            t.prototype._setTargetMeshVisibility = function(e) {
                this._options.teleportationTargetMesh && this._options.teleportationTargetMesh.isVisible !== e && (this._options.teleportationTargetMesh.isVisible = e,
                this._options.teleportationTargetMesh.getChildren(void 0, !1).forEach((function(t) {
                    t.isVisible = e
                }
                )),
                e ? this._selectionFeature && this._selectionFeature.detach() : (this._quadraticBezierCurve && (this._quadraticBezierCurve.dispose(),
                this._quadraticBezierCurve = null),
                this._selectionFeature && this._selectionFeature.attach()))
            }
            ,
            t.prototype._showParabolicPath = function(e) {
                if (e.pickedPoint) {
                    var t = this._options.useUtilityLayer ? this._options.customUtilityLayerScene || El.DefaultUtilityLayer.utilityLayerScene : this._xrSessionManager.scene
                      , i = this._controllers[this._currentTeleportationControllerId]
                      , n = Pn.CreateQuadraticBezier(i.xrController.pointer.absolutePosition, e.ray.origin, e.pickedPoint, 25);
                    this._options.generateRayPathMesh ? this._quadraticBezierCurve = this._options.generateRayPathMesh(n.getPoints(), e) : this._quadraticBezierCurve = Jl("teleportation path line", {
                        points: n.getPoints(),
                        instance: this._quadraticBezierCurve,
                        updatable: !0
                    }, t),
                    this._quadraticBezierCurve.isPickable = !1,
                    void 0 !== this._options.renderingGroupId && (this._quadraticBezierCurve.renderingGroupId = this._options.renderingGroupId)
                }
            }
            ,
            t.prototype._teleportForward = function(e) {
                var t = this._controllers[e];
                if (t && t.teleportationState.forward && this.teleportationEnabled && (t.teleportationState.forward = !1,
                this._currentTeleportationControllerId = "",
                !this.snapPointsOnly || this._snappedToPoint))
                    if (this.skipNextTeleportation)
                        this.skipNextTeleportation = !1;
                    else if (this._options.teleportationTargetMesh && this._options.teleportationTargetMesh.isVisible) {
                        var i = this._options.xrInput.xrCamera.realWorldHeight;
                        this._options.xrInput.xrCamera.onBeforeCameraTeleport.notifyObservers(this._options.xrInput.xrCamera.position),
                        this._options.xrInput.xrCamera.position.copyFrom(this._options.teleportationTargetMesh.position),
                        this._options.xrInput.xrCamera.position.y += i,
                        C.FromEulerAngles(0, t.teleportationState.currentRotation - (this._xrSessionManager.scene.useRightHandedSystem ? Math.PI : 0), 0).multiplyToRef(this._options.xrInput.xrCamera.rotationQuaternion, this._options.xrInput.xrCamera.rotationQuaternion),
                        this._options.xrInput.xrCamera.onAfterCameraTeleport.notifyObservers(this._options.xrInput.xrCamera.position)
                    }
            }
            ,
            t.Name = Io.TELEPORTATION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(Vf.Name, (function(e, t) {
            return function() {
                return new Vf(e,t)
            }
        }
        ), Vf.Version, !0);
        var kf = function() {}
          , Gf = function() {
            function e() {}
            return e.CreateAsync = function(t, i) {
                void 0 === i && (i = {});
                var n = new e;
                if (t.onDisposeObservable.addOnce((function() {
                    n.dispose()
                }
                )),
                !i.disableDefaultUI) {
                    var r = V({
                        renderTarget: n.renderTarget
                    }, i.uiOptions || {});
                    i.optionalFeatures && ("boolean" == typeof i.optionalFeatures ? r.optionalFeatures = ["hit-test", "anchors", "plane-detection", "hand-tracking"] : r.optionalFeatures = i.optionalFeatures),
                    n.enterExitUI = new wf(t,r)
                }
                return Sp.CreateAsync(t).then((function(e) {
                    if (n.baseExperience = e,
                    i.ignoreNativeCameraTransformation && (n.baseExperience.camera.compensateOnFirstFrame = !1),
                    n.input = new Fp(e.sessionManager,e.camera,V({
                        controllerOptions: {
                            renderingGroupId: i.renderingGroupId
                        }
                    }, i.inputOptions || {})),
                    !i.disablePointerSelection) {
                        var t = V(V({}, i.pointerSelectionOptions), {
                            xrInput: n.input,
                            renderingGroupId: i.renderingGroupId
                        });
                        n.pointerSelection = n.baseExperience.featuresManager.enableFeature(Bp.Name, i.useStablePlugins ? "stable" : "latest", t),
                        i.disableTeleportation || (n.teleportation = n.baseExperience.featuresManager.enableFeature(Vf.Name, i.useStablePlugins ? "stable" : "latest", {
                            floorMeshes: i.floorMeshes,
                            xrInput: n.input,
                            renderingGroupId: i.renderingGroupId
                        }),
                        n.teleportation.setSelectionFeature(n.pointerSelection))
                    }
                    return i.disableNearInteraction || (n.nearInteraction = n.baseExperience.featuresManager.enableFeature(Df.Name, i.useStablePlugins ? "stable" : "latest", {
                        xrInput: n.input,
                        farInteractionFeature: n.pointerSelection,
                        renderingGroupId: i.renderingGroupId,
                        useUtilityLayer: !0,
                        enableNearInteractionOnAllControllers: !0
                    })),
                    n.renderTarget = n.baseExperience.sessionManager.getWebXRRenderTarget(i.outputCanvasOptions),
                    i.disableDefaultUI ? void 0 : n.enterExitUI.setHelperAsync(n.baseExperience, n.renderTarget)
                }
                )).then((function() {
                    return n
                }
                )).catch((function(e) {
                    return K.Error("Error initializing XR"),
                    K.Error(e),
                    n
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                this.baseExperience && this.baseExperience.dispose(),
                this.input && this.input.dispose(),
                this.enterExitUI && this.enterExitUI.dispose(),
                this.renderTarget && this.renderTarget.dispose()
            }
            ,
            e
        }()
          , zf = !0;
        function Wf(e) {
            for (; e.firstChild; )
                e.removeChild(e.firstChild);
            e.srcObject = null,
            e.src = "",
            e.removeAttribute("src")
        }
        mn.prototype.createDefaultLight = function(e) {
            if (void 0 === e && (e = !1),
            e && this.lights)
                for (var t = 0; t < this.lights.length; t++)
                    this.lights[t].dispose();
            0 === this.lights.length && new ds("default light",x.Up(),this)
        }
        ,
        mn.prototype.createDefaultCamera = function(e, t, i) {
            if (void 0 === e && (e = !1),
            void 0 === t && (t = !1),
            void 0 === i && (i = !1),
            t && this.activeCamera && (this.activeCamera.dispose(),
            this.activeCamera = null),
            !this.activeCamera) {
                var n = this.getWorldExtends((function(e) {
                    return e.isVisible && e.isEnabled()
                }
                ))
                  , r = n.max.subtract(n.min)
                  , o = n.min.add(r.scale(.5))
                  , a = void 0
                  , s = 1.5 * r.length();
                if (isFinite(s) || (s = 1,
                o.copyFromFloats(0, 0, 0)),
                e) {
                    var l = new _a("default camera",-Math.PI / 2,Math.PI / 2,s,o,this);
                    l.lowerRadiusLimit = .01 * s,
                    l.wheelPrecision = 100 / s,
                    a = l
                } else {
                    var c = new pa("default camera",new x(o.x,o.y,-s),this);
                    c.setTarget(o),
                    a = c
                }
                a.minZ = .01 * s,
                a.maxZ = 1e3 * s,
                a.speed = .2 * s,
                this.activeCamera = a,
                i && a.attachControl()
            }
        }
        ,
        mn.prototype.createDefaultCameraOrLight = function(e, t, i) {
            void 0 === e && (e = !1),
            void 0 === t && (t = !1),
            void 0 === i && (i = !1),
            this.createDefaultLight(t),
            this.createDefaultCamera(e, t, i)
        }
        ,
        mn.prototype.createDefaultSkybox = function(e, t, i, n, r) {
            if (void 0 === t && (t = !1),
            void 0 === i && (i = 1e3),
            void 0 === n && (n = 0),
            void 0 === r && (r = !0),
            !e)
                return K.Warn("Can not create default skybox without environment texture."),
                null;
            r && e && (this.environmentTexture = e);
            var o = Ml("hdrSkyBox", {
                size: i
            }, this);
            if (t) {
                var a = new op("skyBox",this);
                a.backFaceCulling = !1,
                a.reflectionTexture = e.clone(),
                a.reflectionTexture && (a.reflectionTexture.coordinatesMode = io.SKYBOX_MODE),
                a.microSurface = 1 - n,
                a.disableLighting = !0,
                a.twoSidedLighting = !0,
                o.material = a
            } else {
                var s = new Os("skyBox",this);
                s.backFaceCulling = !1,
                s.reflectionTexture = e.clone(),
                s.reflectionTexture && (s.reflectionTexture.coordinatesMode = io.SKYBOX_MODE),
                s.disableLighting = !0,
                o.material = s
            }
            return o.isPickable = !1,
            o.infiniteDistance = !0,
            o.ignoreCameraMaxZ = !0,
            o
        }
        ,
        mn.prototype.createDefaultEnvironment = function(e) {
            return kd ? new kd(e,this) : null
        }
        ,
        mn.prototype.createDefaultVRExperience = function(e) {
            return void 0 === e && (e = {}),
            new hl(this,e)
        }
        ,
        mn.prototype.createDefaultXRExperienceAsync = function(e) {
            return void 0 === e && (e = {}),
            Gf.CreateAsync(this, e).then((function(e) {
                return e
            }
            ))
        }
        ;
        var Hf = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !1),
                void 0 === a && (a = io.TRILINEAR_SAMPLINGMODE),
                void 0 === s && (s = {});
                var c = e.call(this, null, n, !r, o) || this;
                c._onUserActionRequestedObservable = null,
                c._stillImageCaptured = !1,
                c._displayingPosterTexture = !1,
                c._frameId = -1,
                c._currentSrc = null,
                c._errorFound = !1,
                c._createInternalTexture = function() {
                    if (null != c._texture) {
                        if (!c._displayingPosterTexture)
                            return;
                        c._texture.dispose(),
                        c._displayingPosterTexture = !1
                    }
                    if (!c._getEngine().needPOTTextures || gi.IsExponentOfTwo(c.video.videoWidth) && gi.IsExponentOfTwo(c.video.videoHeight) ? (c.wrapU = io.WRAP_ADDRESSMODE,
                    c.wrapV = io.WRAP_ADDRESSMODE) : (c.wrapU = io.CLAMP_ADDRESSMODE,
                    c.wrapV = io.CLAMP_ADDRESSMODE,
                    c._generateMipMaps = !1),
                    c._texture = c._getEngine().createDynamicTexture(c.video.videoWidth, c.video.videoHeight, c._generateMipMaps, c.samplingMode),
                    c.video.autoplay || c._settings.poster)
                        c._updateInternalTexture(),
                        c.onLoadObservable.hasObservers() && c.onLoadObservable.notifyObservers(c);
                    else {
                        var e = c.video.onplaying
                          , t = c.video.muted;
                        c.video.muted = !0,
                        c.video.onplaying = function() {
                            c.video.muted = t,
                            c.video.onplaying = e,
                            c._updateInternalTexture(),
                            c._errorFound || c.video.pause(),
                            c.onLoadObservable.hasObservers() && c.onLoadObservable.notifyObservers(c)
                        }
                        ,
                        c._handlePlay()
                    }
                }
                ,
                c._reset = function() {
                    null != c._texture && (c._displayingPosterTexture || (c._texture.dispose(),
                    c._texture = null))
                }
                ,
                c._updateInternalTexture = function() {
                    if (null != c._texture && !(c.video.readyState < c.video.HAVE_CURRENT_DATA || c._displayingPosterTexture)) {
                        var e = c.getScene().getFrameId();
                        c._frameId !== e && (c._frameId = e,
                        c._getEngine().updateVideoTexture(c._texture, c.video, c._invertY))
                    }
                }
                ,
                c._settings = V({
                    autoPlay: !0,
                    loop: !0,
                    autoUpdateTexture: !0
                }, s),
                c._onError = l,
                c._generateMipMaps = r,
                c._initialSamplingMode = a,
                c.autoUpdateTexture = c._settings.autoUpdateTexture,
                c._currentSrc = i,
                c.name = t || c._getName(i),
                c.video = c._getVideo(i),
                s.poster && (c.video.poster = s.poster),
                void 0 !== s.autoPlay && (c.video.autoplay = s.autoPlay),
                void 0 !== s.loop && (c.video.loop = s.loop),
                void 0 !== s.muted && (c.video.muted = s.muted),
                c.video.setAttribute("playsinline", ""),
                c.video.addEventListener("paused", c._updateInternalTexture),
                c.video.addEventListener("seeked", c._updateInternalTexture),
                c.video.addEventListener("emptied", c._reset),
                c._createInternalTextureOnEvent = s.poster && !s.autoPlay ? "play" : "canplay",
                c.video.addEventListener(c._createInternalTextureOnEvent, c._createInternalTexture),
                s.autoPlay && c._handlePlay();
                var u = c.video.readyState >= c.video.HAVE_CURRENT_DATA;
                return !s.poster || s.autoPlay && u ? u && c._createInternalTexture() : (c._texture = c._getEngine().createTexture(s.poster, !1, !c.invertY, n),
                c._displayingPosterTexture = !0),
                c
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "onUserActionRequestedObservable", {
                get: function() {
                    return this._onUserActionRequestedObservable || (this._onUserActionRequestedObservable = new h),
                    this._onUserActionRequestedObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._processError = function(e) {
                this._errorFound = !0,
                this._onError ? this._onError(null == e ? void 0 : e.message) : K.Error(null == e ? void 0 : e.message)
            }
            ,
            t.prototype._handlePlay = function() {
                var e = this;
                this._errorFound = !1,
                this.video.play().catch((function(t) {
                    if ("NotAllowedError" === (null == t ? void 0 : t.name)) {
                        if (e._onUserActionRequestedObservable && e._onUserActionRequestedObservable.hasObservers())
                            return void e._onUserActionRequestedObservable.notifyObservers(e);
                        if (!e.video.muted)
                            return K.Warn("Unable to autoplay a video with sound. Trying again with muted turned true"),
                            e.video.muted = !0,
                            e._errorFound = !1,
                            void e.video.play().catch((function(t) {
                                e._processError(t)
                            }
                            ))
                    }
                    e._processError(t)
                }
                ))
            }
            ,
            t.prototype.getClassName = function() {
                return "VideoTexture"
            }
            ,
            t.prototype._getName = function(e) {
                return e instanceof HTMLVideoElement ? e.currentSrc : "object" == typeof e ? e.toString() : e
            }
            ,
            t.prototype._getVideo = function(e) {
                if (e.isNative)
                    return e;
                if (e instanceof HTMLVideoElement)
                    return gi.SetCorsBehavior(e.currentSrc, e),
                    e;
                var t = document.createElement("video");
                return "string" == typeof e ? (gi.SetCorsBehavior(e, t),
                t.src = e) : (gi.SetCorsBehavior(e[0], t),
                e.forEach((function(e) {
                    var i = document.createElement("source");
                    i.src = e,
                    t.appendChild(i)
                }
                ))),
                this.onDisposeObservable.addOnce((function() {
                    Wf(t)
                }
                )),
                t
            }
            ,
            t.prototype._rebuild = function() {
                this.update()
            }
            ,
            t.prototype.update = function() {
                this.autoUpdateTexture && this.updateTexture(!0)
            }
            ,
            t.prototype.updateTexture = function(e) {
                e && (this.video.paused && this._stillImageCaptured || (this._stillImageCaptured = !0,
                this._updateInternalTexture()))
            }
            ,
            t.prototype.updateURL = function(e) {
                this.video.src = e,
                this._currentSrc = e
            }
            ,
            t.prototype.clone = function() {
                return new t(this.name,this._currentSrc,this.getScene(),this._generateMipMaps,this.invertY,this.samplingMode,this._settings)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._currentSrc = null,
                this._onUserActionRequestedObservable && (this._onUserActionRequestedObservable.clear(),
                this._onUserActionRequestedObservable = null),
                this.video.removeEventListener(this._createInternalTextureOnEvent, this._createInternalTexture),
                this.video.removeEventListener("paused", this._updateInternalTexture),
                this.video.removeEventListener("seeked", this._updateInternalTexture),
                this.video.removeEventListener("emptied", this._reset),
                this.video.pause()
            }
            ,
            t.CreateFromStreamAsync = function(e, i, n, r) {
                void 0 === r && (r = !0);
                var o = e.getEngine().createVideoElement(n);
                return e.getEngine()._badOS && (document.body.appendChild(o),
                o.style.transform = "scale(0.0001, 0.0001)",
                o.style.opacity = "0",
                o.style.position = "fixed",
                o.style.bottom = "0px",
                o.style.right = "0px"),
                o.setAttribute("autoplay", ""),
                o.setAttribute("muted", "true"),
                o.setAttribute("playsinline", ""),
                o.muted = !0,
                void 0 !== o.mozSrcObject ? o.mozSrcObject = i : "object" == typeof o.srcObject ? o.srcObject = i : (window.URL = window.URL || window.webkitURL || window.mozURL || window.msURL,
                o.src = window.URL && window.URL.createObjectURL(i)),
                new Promise((function(i) {
                    var n = function() {
                        var a = new t("video",o,e,!0,r);
                        e.getEngine()._badOS && a.onDisposeObservable.addOnce((function() {
                            o.remove()
                        }
                        )),
                        a.onDisposeObservable.addOnce((function() {
                            Wf(o)
                        }
                        )),
                        i(a),
                        o.removeEventListener("playing", n)
                    };
                    o.addEventListener("playing", n),
                    o.play()
                }
                ))
            }
            ,
            t.CreateFromWebCamAsync = function(e, t, i, n) {
                var r, o = this;
                if (void 0 === i && (i = !1),
                void 0 === n && (n = !0),
                t && t.deviceId && (r = {
                    exact: t.deviceId
                }),
                navigator.mediaDevices)
                    return navigator.mediaDevices.getUserMedia({
                        video: t,
                        audio: i
                    }).then((function(i) {
                        return o.CreateFromStreamAsync(e, i, t, n)
                    }
                    ));
                var a = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
                return a && a({
                    video: {
                        deviceId: r,
                        width: {
                            min: t && t.minWidth || 256,
                            max: t && t.maxWidth || 640
                        },
                        height: {
                            min: t && t.minHeight || 256,
                            max: t && t.maxHeight || 480
                        }
                    },
                    audio: i
                }, (function(i) {
                    return o.CreateFromStreamAsync(e, i, t, n)
                }
                ), (function(e) {
                    K.Error(e.name)
                }
                )),
                Promise.reject("No support for userMedia on this device")
            }
            ,
            t.CreateFromWebCam = function(e, t, i, n, r) {
                void 0 === n && (n = !1),
                void 0 === r && (r = !0),
                this.CreateFromWebCamAsync(e, i, n, r).then((function(e) {
                    t && t(e)
                }
                )).catch((function(e) {
                    K.Error(e.name)
                }
                ))
            }
            ,
            t
        }(io)
          , Xf = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "videoTexture", {
                get: function() {
                    return this._texture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "videoMode", {
                get: function() {
                    return this.textureMode
                },
                set: function(e) {
                    this.textureMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._initTexture = function(e, t, i) {
                var n = this
                  , r = {
                    loop: i.loop,
                    autoPlay: i.autoPlay,
                    autoUpdateTexture: !0,
                    poster: i.poster
                }
                  , o = new Hf((this.name || "videoDome") + "_texture",e,t,i.generateMipMaps,this._useDirectMapping,io.TRILINEAR_SAMPLINGMODE,r);
                return i.clickToPlay && (this._pointerObserver = t.onPointerObservable.add((function(e) {
                    e.type !== Xi.POINTERUP && n._texture.video.play()
                }
                ))),
                this._textureObserver = o.onLoadObservable.add((function() {
                    n.onLoadObservable.notifyObservers()
                }
                )),
                o
            }
            ,
            t.prototype.dispose = function(t, i) {
                void 0 === i && (i = !1),
                this._texture.onLoadObservable.remove(this._textureObserver),
                this._scene.onPointerObservable.remove(this._pointerObserver),
                e.prototype.dispose.call(this, t, i)
            }
            ,
            t.MODE_MONOSCOPIC = Gd.MODE_MONOSCOPIC,
            t.MODE_TOPBOTTOM = Gd.MODE_TOPBOTTOM,
            t.MODE_SIDEBYSIDE = Gd.MODE_SIDEBYSIDE,
            t
        }(Gd)
          , jf = function() {
            function e(e) {
                this.engine = e,
                this._captureGPUFrameTime = !1,
                this._captureShaderCompilationTime = !1,
                this._shaderCompilationTime = new un,
                this._onBeginFrameObserver = null,
                this._onEndFrameObserver = null,
                this._onBeforeShaderCompilationObserver = null,
                this._onAfterShaderCompilationObserver = null
            }
            return Object.defineProperty(e.prototype, "gpuFrameTimeCounter", {
                get: function() {
                    return this.engine.getGPUFrameTimeCounter()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureGPUFrameTime", {
                get: function() {
                    return this._captureGPUFrameTime
                },
                set: function(e) {
                    e !== this._captureGPUFrameTime && (this._captureGPUFrameTime = e,
                    this.engine.captureGPUFrameTime(e))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "shaderCompilationTimeCounter", {
                get: function() {
                    return this._shaderCompilationTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureShaderCompilationTime", {
                get: function() {
                    return this._captureShaderCompilationTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureShaderCompilationTime && (this._captureShaderCompilationTime = e,
                    e ? (this._onBeforeShaderCompilationObserver = this.engine.onBeforeShaderCompilationObservable.add((function() {
                        t._shaderCompilationTime.fetchNewFrame(),
                        t._shaderCompilationTime.beginMonitoring()
                    }
                    )),
                    this._onAfterShaderCompilationObserver = this.engine.onAfterShaderCompilationObservable.add((function() {
                        t._shaderCompilationTime.endMonitoring()
                    }
                    ))) : (this.engine.onBeforeShaderCompilationObservable.remove(this._onBeforeShaderCompilationObserver),
                    this._onBeforeShaderCompilationObserver = null,
                    this.engine.onAfterShaderCompilationObservable.remove(this._onAfterShaderCompilationObserver),
                    this._onAfterShaderCompilationObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this.engine.onBeginFrameObservable.remove(this._onBeginFrameObserver),
                this._onBeginFrameObserver = null,
                this.engine.onEndFrameObservable.remove(this._onEndFrameObserver),
                this._onEndFrameObserver = null,
                this.engine.onBeforeShaderCompilationObservable.remove(this._onBeforeShaderCompilationObserver),
                this._onBeforeShaderCompilationObserver = null,
                this.engine.onAfterShaderCompilationObservable.remove(this._onAfterShaderCompilationObserver),
                this._onAfterShaderCompilationObserver = null,
                this.engine = null
            }
            ,
            e
        }()
          , Yf = function() {
            function e(e) {
                var t = this;
                this.scene = e,
                this._captureActiveMeshesEvaluationTime = !1,
                this._activeMeshesEvaluationTime = new un,
                this._captureRenderTargetsRenderTime = !1,
                this._renderTargetsRenderTime = new un,

                this._registerBeforeRenderTime = new un,
                this._onBeforeRegisterBeforeRenderObserver = null,
                this._onAfterRegisterBeforeRenderObserver = null,
                this._RTT1Time = new un,
                this._onBeforeRTT1Observer = null,
                this._onAfterRTT1Observer = null,
                this._registerAfterRenderTime = new un,
                this._onBeforeRegisterAfterRenderObserver = null,
                this._onAfterRegisterAfterRenderObserver = null,

                this._captureFrameTime = !1,
                this._frameTime = new un,
                this._captureRenderTime = !1,
                this._renderTime = new un,
                this._captureInterFrameTime = !1,
                this._interFrameTime = new un,
                this._captureParticlesRenderTime = !1,
                this._particlesRenderTime = new un,
                this._captureSpritesRenderTime = !1,
                this._spritesRenderTime = new un,
                this._capturePhysicsTime = !1,
                this._physicsTime = new un,
                this._captureAnimationsTime = !1,
                this._animationsTime = new un,
                this._captureCameraRenderTime = !1,
                this._cameraRenderTime = new un,
                this._onBeforeActiveMeshesEvaluationObserver = null,
                this._onAfterActiveMeshesEvaluationObserver = null,
                this._onBeforeRenderTargetsRenderObserver = null,
                this._onAfterRenderTargetsRenderObserver = null,
                this._onAfterRenderObserver = null,
                this._onBeforeDrawPhaseObserver = null,
                this._onAfterDrawPhaseObserver = null,
                this._onBeforeAnimationsObserver = null,
                this._onBeforeParticlesRenderingObserver = null,
                this._onAfterParticlesRenderingObserver = null,
                this._onBeforeSpritesRenderingObserver = null,
                this._onAfterSpritesRenderingObserver = null,
                this._onBeforePhysicsObserver = null,
                this._onAfterPhysicsObserver = null,
                this._onAfterAnimationsObserver = null,
                this._onBeforeCameraRenderObserver = null,
                this._onAfterCameraRenderObserver = null,
                this._onBeforeAnimationsObserver = e.onBeforeAnimationsObservable.add((function() {
                    t._captureActiveMeshesEvaluationTime && t._activeMeshesEvaluationTime.fetchNewFrame(),
                    t._captureRenderTargetsRenderTime && t._renderTargetsRenderTime.fetchNewFrame(),
                    t._captureFrameTime && (gi.StartPerformanceCounter("Scene rendering"),
                    t._frameTime.beginMonitoring()),
                    t._captureInterFrameTime && t._interFrameTime.endMonitoring(),
                    t._captureParticlesRenderTime && t._particlesRenderTime.fetchNewFrame(),
                    t._captureSpritesRenderTime && t._spritesRenderTime.fetchNewFrame(),
                    t._captureAnimationsTime && t._animationsTime.beginMonitoring(),
                    t.scene.getEngine()._drawCalls.fetchNewFrame()
                }
                )),
                this._onAfterRenderObserver = e.onAfterRenderObservable.add((function() {
                    t._captureFrameTime && (gi.EndPerformanceCounter("Scene rendering"),
                    t._frameTime.endMonitoring()),
                    t._captureRenderTime && t._renderTime.endMonitoring(!1),
                    t._captureInterFrameTime && t._interFrameTime.beginMonitoring()
                }
                )),

                this._onBeforeRegisterBeforeRenderObserver = e.onBeforeRunRegisterBeforeRenderObservable.add(function() {
                    t._registerBeforeRenderTime.beginMonitoring()
                }),
                this._onAfterRegisterBeforeRenderObserver = e.onAfterRunRegisterBeforeRenderObservable.add(function() {
                    t._registerBeforeRenderTime.endMonitoring()
                }),
                this._onBeforeRegisterAfterRenderObserver = e.onBeforeRunRegisterAfterRenderObservable.add(function() {
                    t._registerAfterRenderTime.beginMonitoring()
                }),
                this._onAfterRegisterAfterRenderObserver = e.onAfterRunRegisterAfterRenderObservable.add(function() {
                    t._registerAfterRenderTime.endMonitoring()
                }),
                this._onBeforeRTT1Observer = e.onBeforeRTT1Observable.add(function() {
                    t._RTT1Time.beginMonitoring()
                }),
                this._onAfterRTT1Observer = e.onAfterRTT1Observable.add(function() {
                    t._RTT1Time.endMonitoring()
                })
            }
            return Object.defineProperty(e.prototype, "activeMeshesEvaluationTimeCounter", {
                get: function() {
                    return this._activeMeshesEvaluationTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureActiveMeshesEvaluationTime", {
                get: function() {
                    return this._captureActiveMeshesEvaluationTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureActiveMeshesEvaluationTime && (this._captureActiveMeshesEvaluationTime = e,
                    e ? (this._onBeforeActiveMeshesEvaluationObserver = this.scene.onBeforeActiveMeshesEvaluationObservable.add((function() {
                        gi.StartPerformanceCounter("Active meshes evaluation"),
                        t._activeMeshesEvaluationTime.beginMonitoring()
                    }
                    )),
                    this._onAfterActiveMeshesEvaluationObserver = this.scene.onAfterActiveMeshesEvaluationObservable.add((function() {
                        gi.EndPerformanceCounter("Active meshes evaluation"),
                        t._activeMeshesEvaluationTime.endMonitoring()
                    }
                    ))) : (this.scene.onBeforeActiveMeshesEvaluationObservable.remove(this._onBeforeActiveMeshesEvaluationObserver),
                    this._onBeforeActiveMeshesEvaluationObserver = null,
                    this.scene.onAfterActiveMeshesEvaluationObservable.remove(this._onAfterActiveMeshesEvaluationObserver),
                    this._onAfterActiveMeshesEvaluationObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "renderTargetsRenderTimeCounter", {
                get: function() {
                    return this._renderTargetsRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),


            Object.defineProperty(e.prototype, "registerBeforeTimeCounter", {
                get: function() {
                    return this._registerBeforeRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "getRTT1TimeCounter", {
                get: function() {
                    return this._RTT1Time
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "registerAfterTimeCounter", {
                get: function() {
                    return this._registerAfterRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),


            Object.defineProperty(e.prototype, "captureRenderTargetsRenderTime", {
                get: function() {
                    return this._captureRenderTargetsRenderTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureRenderTargetsRenderTime && (this._captureRenderTargetsRenderTime = e,
                    e ? (this._onBeforeRenderTargetsRenderObserver = this.scene.onBeforeRenderTargetsRenderObservable.add((function() {
                        gi.StartPerformanceCounter("Render targets rendering"),
                        t._renderTargetsRenderTime.beginMonitoring()
                    }
                    )),
                    this._onAfterRenderTargetsRenderObserver = this.scene.onAfterRenderTargetsRenderObservable.add((function() {
                        gi.EndPerformanceCounter("Render targets rendering"),
                        t._renderTargetsRenderTime.endMonitoring(!1)
                    }
                    ))) : (this.scene.onBeforeRenderTargetsRenderObservable.remove(this._onBeforeRenderTargetsRenderObserver),
                    this._onBeforeRenderTargetsRenderObserver = null,
                    this.scene.onAfterRenderTargetsRenderObservable.remove(this._onAfterRenderTargetsRenderObserver),
                    this._onAfterRenderTargetsRenderObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "particlesRenderTimeCounter", {
                get: function() {
                    return this._particlesRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureParticlesRenderTime", {
                get: function() {
                    return this._captureParticlesRenderTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureParticlesRenderTime && (this._captureParticlesRenderTime = e,
                    e ? (this._onBeforeParticlesRenderingObserver = this.scene.onBeforeParticlesRenderingObservable.add((function() {
                        gi.StartPerformanceCounter("Particles"),
                        t._particlesRenderTime.beginMonitoring()
                    }
                    )),
                    this._onAfterParticlesRenderingObserver = this.scene.onAfterParticlesRenderingObservable.add((function() {
                        gi.EndPerformanceCounter("Particles"),
                        t._particlesRenderTime.endMonitoring(!1)
                    }
                    ))) : (this.scene.onBeforeParticlesRenderingObservable.remove(this._onBeforeParticlesRenderingObserver),
                    this._onBeforeParticlesRenderingObserver = null,
                    this.scene.onAfterParticlesRenderingObservable.remove(this._onAfterParticlesRenderingObserver),
                    this._onAfterParticlesRenderingObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "spritesRenderTimeCounter", {
                get: function() {
                    return this._spritesRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureSpritesRenderTime", {
                get: function() {
                    return this._captureSpritesRenderTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureSpritesRenderTime && (this._captureSpritesRenderTime = e,
                    this.scene.spriteManagers && (e ? (this._onBeforeSpritesRenderingObserver = this.scene.onBeforeSpritesRenderingObservable.add((function() {
                        gi.StartPerformanceCounter("Sprites"),
                        t._spritesRenderTime.beginMonitoring()
                    }
                    )),
                    this._onAfterSpritesRenderingObserver = this.scene.onAfterSpritesRenderingObservable.add((function() {
                        gi.EndPerformanceCounter("Sprites"),
                        t._spritesRenderTime.endMonitoring(!1)
                    }
                    ))) : (this.scene.onBeforeSpritesRenderingObservable.remove(this._onBeforeSpritesRenderingObserver),
                    this._onBeforeSpritesRenderingObserver = null,
                    this.scene.onAfterSpritesRenderingObservable.remove(this._onAfterSpritesRenderingObserver),
                    this._onAfterSpritesRenderingObserver = null)))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "physicsTimeCounter", {
                get: function() {
                    return this._physicsTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "capturePhysicsTime", {
                get: function() {
                    return this._capturePhysicsTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._capturePhysicsTime && this.scene.onBeforePhysicsObservable && (this._capturePhysicsTime = e,
                    e ? (this._onBeforePhysicsObserver = this.scene.onBeforePhysicsObservable.add((function() {
                        gi.StartPerformanceCounter("Physics"),
                        t._physicsTime.beginMonitoring()
                    }
                    )),
                    this._onAfterPhysicsObserver = this.scene.onAfterPhysicsObservable.add((function() {
                        gi.EndPerformanceCounter("Physics"),
                        t._physicsTime.endMonitoring()
                    }
                    ))) : (this.scene.onBeforePhysicsObservable.remove(this._onBeforePhysicsObserver),
                    this._onBeforePhysicsObserver = null,
                    this.scene.onAfterPhysicsObservable.remove(this._onAfterPhysicsObserver),
                    this._onAfterPhysicsObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "animationsTimeCounter", {
                get: function() {
                    return this._animationsTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureAnimationsTime", {
                get: function() {
                    return this._captureAnimationsTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureAnimationsTime && (this._captureAnimationsTime = e,
                    e ? this._onAfterAnimationsObserver = this.scene.onAfterAnimationsObservable.add((function() {
                        t._animationsTime.endMonitoring()
                    }
                    )) : (this.scene.onAfterAnimationsObservable.remove(this._onAfterAnimationsObserver),
                    this._onAfterAnimationsObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "frameTimeCounter", {
                get: function() {
                    return this._frameTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureFrameTime", {
                get: function() {
                    return this._captureFrameTime
                },
                set: function(e) {
                    this._captureFrameTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "interFrameTimeCounter", {
                get: function() {
                    return this._interFrameTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureInterFrameTime", {
                get: function() {
                    return this._captureInterFrameTime
                },
                set: function(e) {
                    this._captureInterFrameTime = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "renderTimeCounter", {
                get: function() {
                    return this._renderTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureRenderTime", {
                get: function() {
                    return this._captureRenderTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureRenderTime && (this._captureRenderTime = e,
                    e ? (this._onBeforeDrawPhaseObserver = this.scene.onBeforeDrawPhaseObservable.add((function() {
                        t._renderTime.beginMonitoring(),
                        gi.StartPerformanceCounter("Main render")
                    }
                    )),
                    this._onAfterDrawPhaseObserver = this.scene.onAfterDrawPhaseObservable.add((function() {
                        t._renderTime.endMonitoring(!1),
                        gi.EndPerformanceCounter("Main render")
                    }
                    ))) : (this.scene.onBeforeDrawPhaseObservable.remove(this._onBeforeDrawPhaseObserver),
                    this._onBeforeDrawPhaseObserver = null,
                    this.scene.onAfterDrawPhaseObservable.remove(this._onAfterDrawPhaseObserver),
                    this._onAfterDrawPhaseObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cameraRenderTimeCounter", {
                get: function() {
                    return this._cameraRenderTime
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "captureCameraRenderTime", {
                get: function() {
                    return this._captureCameraRenderTime
                },
                set: function(e) {
                    var t = this;
                    e !== this._captureCameraRenderTime && (this._captureCameraRenderTime = e,
                    e ? (this._onBeforeCameraRenderObserver = this.scene.onBeforeCameraRenderObservable.add((function(e) {
                        t._cameraRenderTime.beginMonitoring(),
                        gi.StartPerformanceCounter("Rendering camera ".concat(e.name))
                    }
                    )),
                    this._onAfterCameraRenderObserver = this.scene.onAfterCameraRenderObservable.add((function(e) {
                        t._cameraRenderTime.endMonitoring(!1),
                        gi.EndPerformanceCounter("Rendering camera ".concat(e.name))
                    }
                    ))) : (this.scene.onBeforeCameraRenderObservable.remove(this._onBeforeCameraRenderObserver),
                    this._onBeforeCameraRenderObserver = null,
                    this.scene.onAfterCameraRenderObservable.remove(this._onAfterCameraRenderObserver),
                    this._onAfterCameraRenderObserver = null))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "drawCallsCounter", {
                get: function() {
                    return this.scene.getEngine()._drawCalls
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {

                this.scene.onBeforeRunRegisterBeforeRenderObservable.remove(this._onBeforeRegisterBeforeRenderObserver),
                this._onBeforeRegisterBeforeRenderObserver = null,
                this.scene.onAfterRunRegisterBeforeRenderObservable.remove(this._onAfterRegisterBeforeRenderObserver),
                this._onAfterRegisterBeforeRenderObserver = null,
                this.scene.onBeforeRunRegisterAfterRenderObservable.remove(this._onBeforeRegisterAfterRenderObserver),
                this._onBeforeRegisterAfterRenderObserver = null,
                this.scene.onAfterRunRegisterAfterRenderObservable.remove(this._onAfterRegisterAfterRenderObserver),
                this._onAfterRegisterAfterRenderObserver = null,
                this.scene.onBeforeRTT1Observable.remove(this._onBeforeRTT1Observer),
                this._onBeforeRTT1Observer = null,
                this.scene.onAfterRTT1Observable.remove(this._onAfterRTT1Observer),
                this._onAfterRTT1Observer = null,

                this.scene.onAfterRenderObservable.remove(this._onAfterRenderObserver),
                this._onAfterRenderObserver = null,
                this.scene.onBeforeActiveMeshesEvaluationObservable.remove(this._onBeforeActiveMeshesEvaluationObserver),
                this._onBeforeActiveMeshesEvaluationObserver = null,
                this.scene.onAfterActiveMeshesEvaluationObservable.remove(this._onAfterActiveMeshesEvaluationObserver),
                this._onAfterActiveMeshesEvaluationObserver = null,
                this.scene.onBeforeRenderTargetsRenderObservable.remove(this._onBeforeRenderTargetsRenderObserver),
                this._onBeforeRenderTargetsRenderObserver = null,
                this.scene.onAfterRenderTargetsRenderObservable.remove(this._onAfterRenderTargetsRenderObserver),
                this._onAfterRenderTargetsRenderObserver = null,
                this.scene.onBeforeAnimationsObservable.remove(this._onBeforeAnimationsObserver),
                this._onBeforeAnimationsObserver = null,
                this.scene.onBeforeParticlesRenderingObservable.remove(this._onBeforeParticlesRenderingObserver),
                this._onBeforeParticlesRenderingObserver = null,
                this.scene.onAfterParticlesRenderingObservable.remove(this._onAfterParticlesRenderingObserver),
                this._onAfterParticlesRenderingObserver = null,
                this._onBeforeSpritesRenderingObserver && (this.scene.onBeforeSpritesRenderingObservable.remove(this._onBeforeSpritesRenderingObserver),
                this._onBeforeSpritesRenderingObserver = null),
                this._onAfterSpritesRenderingObserver && (this.scene.onAfterSpritesRenderingObservable.remove(this._onAfterSpritesRenderingObserver),
                this._onAfterSpritesRenderingObserver = null),
                this.scene.onBeforeDrawPhaseObservable.remove(this._onBeforeDrawPhaseObserver),
                this._onBeforeDrawPhaseObserver = null,
                this.scene.onAfterDrawPhaseObservable.remove(this._onAfterDrawPhaseObserver),
                this._onAfterDrawPhaseObserver = null,
                this._onBeforePhysicsObserver && (this.scene.onBeforePhysicsObservable.remove(this._onBeforePhysicsObserver),
                this._onBeforePhysicsObserver = null),
                this._onAfterPhysicsObserver && (this.scene.onAfterPhysicsObservable.remove(this._onAfterPhysicsObserver),
                this._onAfterPhysicsObserver = null),
                this.scene.onAfterAnimationsObservable.remove(this._onAfterAnimationsObserver),
                this._onAfterAnimationsObserver = null,
                this.scene.onBeforeCameraRenderObservable.remove(this._onBeforeCameraRenderObserver),
                this._onBeforeCameraRenderObserver = null,
                this.scene.onAfterCameraRenderObservable.remove(this._onAfterCameraRenderObserver),
                this._onAfterCameraRenderObserver = null,
                this.scene = null
            }
            ,
            e
        }();
        Pt.ShadersStore.glowMapGenerationPixelShader = "#if defined(DIFFUSE_ISLINEAR) || defined(EMISSIVE_ISLINEAR)\n#include<helperFunctions>\n#endif\n#ifdef DIFFUSE\nvarying vec2 vUVDiffuse;\nuniform sampler2D diffuseSampler;\n#endif\n#ifdef OPACITY\nvarying vec2 vUVOpacity;\nuniform sampler2D opacitySampler;\nuniform float opacityIntensity;\n#endif\n#ifdef EMISSIVE\nvarying vec2 vUVEmissive;\nuniform sampler2D emissiveSampler;\n#endif\n#ifdef VERTEXALPHA\nvarying vec4 vColor;\n#endif\nuniform vec4 glowColor;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 finalColor=glowColor;\n#ifdef DIFFUSE\nvec4 albedoTexture=texture2D(diffuseSampler,vUVDiffuse);\n#ifdef DIFFUSE_ISLINEAR\nalbedoTexture=toGammaSpace(albedoTexture);\n#endif\n#ifdef GLOW\nfinalColor.a*=albedoTexture.a;\n#endif\n#ifdef HIGHLIGHT\nfinalColor.a=albedoTexture.a;\n#endif\n#endif\n#ifdef OPACITY\nvec4 opacityMap=texture2D(opacitySampler,vUVOpacity);\n#ifdef OPACITYRGB\nfinalColor.a*=getLuminance(opacityMap.rgb);\n#else\nfinalColor.a*=opacityMap.a;\n#endif\nfinalColor.a*=opacityIntensity;\n#endif\n#ifdef VERTEXALPHA\nfinalColor.a*=vColor.a;\n#endif\n#ifdef ALPHATEST\nif (finalColor.a<ALPHATESTVALUE)\ndiscard;\n#endif\n#ifdef EMISSIVE\nvec4 emissive=texture2D(emissiveSampler,vUVEmissive);\n#ifdef EMISSIVE_ISLINEAR\nemissive=toGammaSpace(emissive);\n#endif\ngl_FragColor=emissive*finalColor;\n#else\ngl_FragColor=finalColor;\n#endif\n#ifdef HIGHLIGHT\ngl_FragColor.a=glowColor.a;\n#endif\n}";
        Pt.ShadersStore.glowMapGenerationVertexShader = "attribute vec3 position;\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#include<instancesDeclaration>\nuniform mat4 viewProjection;\nvarying vec4 vPosition;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#ifdef DIFFUSE\nvarying vec2 vUVDiffuse;\nuniform mat4 diffuseMatrix;\n#endif\n#ifdef OPACITY\nvarying vec2 vUVOpacity;\nuniform mat4 opacityMatrix;\n#endif\n#ifdef EMISSIVE\nvarying vec2 vUVEmissive;\nuniform mat4 emissiveMatrix;\n#endif\n#ifdef VERTEXALPHA\nattribute vec4 color;\nvarying vec4 vColor;\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\n#ifdef CUBEMAP\nvPosition=finalWorld*vec4(positionUpdated,1.0);\ngl_Position=viewProjection*finalWorld*vec4(position,1.0);\n#else\nvPosition=viewProjection*finalWorld*vec4(positionUpdated,1.0);\ngl_Position=vPosition;\n#endif\n#ifdef DIFFUSE\n#ifdef DIFFUSEUV1\nvUVDiffuse=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef DIFFUSEUV2\nvUVDiffuse=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#ifdef OPACITY\n#ifdef OPACITYUV1\nvUVOpacity=vec2(opacityMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef OPACITYUV2\nvUVOpacity=vec2(opacityMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#ifdef EMISSIVE\n#ifdef EMISSIVEUV1\nvUVEmissive=vec2(emissiveMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef EMISSIVEUV2\nvUVEmissive=vec2(emissiveMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#ifdef VERTEXALPHA\nvColor=color;\n#endif\n}";
        var Kf = function() {
            function e(t, i) {
                this._vertexBuffers = {},
                this._maxSize = 0,
                this._mainTextureDesiredSize = {
                    width: 0,
                    height: 0
                },
                this._shouldRender = !0,
                this._postProcesses = [],
                this._textures = [],
                this._emissiveTextureAndColor = {
                    texture: null,
                    color: new N
                },
                this.neutralColor = new N,
                this.isEnabled = !0,
                this.disableBoundingBoxesFromEffectLayer = !1,
                this.onDisposeObservable = new h,
                this.onBeforeRenderMainTextureObservable = new h,
                this.onBeforeComposeObservable = new h,
                this.onBeforeRenderMeshToEffect = new h,
                this.onAfterRenderMeshToEffect = new h,
                this.onAfterComposeObservable = new h,
                this.onSizeChangedObservable = new h,
                this._materialForRendering = {},
                this.name = t,
                this._scene = i || E.LastCreatedScene,
                e._SceneComponentInitialization(this._scene),
                this._engine = this._scene.getEngine(),
                this._maxSize = this._engine.getCaps().maxTextureSize,
                this._scene.effectLayers.push(this),
                this._mergeDrawWrapper = [],
                this._generateIndexBuffer(),
                this._generateVertexBuffer()
            }
            return Object.defineProperty(e.prototype, "camera", {
                get: function() {
                    return this._effectLayerOptions.camera
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "renderingGroupId", {
                get: function() {
                    return this._effectLayerOptions.renderingGroupId
                },
                set: function(e) {
                    this._effectLayerOptions.renderingGroupId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "mainTexture", {
                get: function() {
                    return this._mainTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setMaterialForRendering = function(e, t) {
                if (this._mainTexture.setMaterialForRendering(e, t),
                Array.isArray(e))
                    for (var i = 0; i < e.length; ++i) {
                        var n = e[i];
                        t ? this._materialForRendering[n.uniqueId] = [n, t] : delete this._materialForRendering[n.uniqueId]
                    }
                else
                    t ? this._materialForRendering[e.uniqueId] = [e, t] : delete this._materialForRendering[e.uniqueId]
            }
            ,
            e.prototype._numInternalDraws = function() {
                return 1
            }
            ,
            e.prototype._init = function(e) {
                this._effectLayerOptions = V({
                    mainTextureRatio: .5,
                    alphaBlendingMode: a.ALPHA_COMBINE,
                    camera: null,
                    renderingGroupId: -1
                }, e),
                this._setMainTextureSize(),
                this._createMainTexture(),
                this._createTextureAndPostProcesses()
            }
            ,
            e.prototype._generateIndexBuffer = function() {
                var e = [];
                e.push(0),
                e.push(1),
                e.push(2),
                e.push(0),
                e.push(2),
                e.push(3),
                this._indexBuffer = this._engine.createIndexBuffer(e)
            }
            ,
            e.prototype._generateVertexBuffer = function() {
                var e = [];
                e.push(1, 1),
                e.push(-1, 1),
                e.push(-1, -1),
                e.push(1, -1);
                var t = new Bi(this._engine,e,Bi.PositionKind,!1,!1,2);
                this._vertexBuffers[Bi.PositionKind] = t
            }
            ,
            e.prototype._setMainTextureSize = function() {
                this._effectLayerOptions.mainTextureFixedSize ? (this._mainTextureDesiredSize.width = this._effectLayerOptions.mainTextureFixedSize,
                this._mainTextureDesiredSize.height = this._effectLayerOptions.mainTextureFixedSize) : (this._mainTextureDesiredSize.width = this._engine.getRenderWidth() * this._effectLayerOptions.mainTextureRatio,
                this._mainTextureDesiredSize.height = this._engine.getRenderHeight() * this._effectLayerOptions.mainTextureRatio,
                this._mainTextureDesiredSize.width = this._engine.needPOTTextures ? vr.GetExponentOfTwo(this._mainTextureDesiredSize.width, this._maxSize) : this._mainTextureDesiredSize.width,
                this._mainTextureDesiredSize.height = this._engine.needPOTTextures ? vr.GetExponentOfTwo(this._mainTextureDesiredSize.height, this._maxSize) : this._mainTextureDesiredSize.height),
                this._mainTextureDesiredSize.width = Math.floor(this._mainTextureDesiredSize.width),
                this._mainTextureDesiredSize.height = Math.floor(this._mainTextureDesiredSize.height)
            }
            ,
            e.prototype._createMainTexture = function() {
                var e = this;
                for (var t in this._mainTexture = new ns("EffectLayerMainRTT",{
                    width: this._mainTextureDesiredSize.width,
                    height: this._mainTextureDesiredSize.height
                },this._scene,!1,!0,a.TEXTURETYPE_UNSIGNED_INT),
                this._mainTexture.activeCamera = this._effectLayerOptions.camera,
                this._mainTexture.wrapU = io.CLAMP_ADDRESSMODE,
                this._mainTexture.wrapV = io.CLAMP_ADDRESSMODE,
                this._mainTexture.anisotropicFilteringLevel = 1,
                this._mainTexture.updateSamplingMode(io.BILINEAR_SAMPLINGMODE),
                this._mainTexture.renderParticles = !1,
                this._mainTexture.renderList = null,
                this._mainTexture.ignoreCameraViewport = !0,
                this._materialForRendering) {
                    var i = this._materialForRendering[t]
                      , n = i[0]
                      , r = i[1];
                    this._mainTexture.setMaterialForRendering(n, r)
                }
                if (this._mainTexture.customIsReadyFunction = function(t, i) {
                    if (!t.isReady(!1))
                        return !1;
                    if (0 === i && t.subMeshes)
                        for (var n = 0; n < t.subMeshes.length; ++n) {
                            var r = t.subMeshes[n]
                              , o = r.getMaterial()
                              , a = r.getRenderingMesh();
                            if (o) {
                                var s = a._getInstancesRenderList(r._id, !!r.getReplacementMesh()).hardwareInstancedRendering[r._id] || a.hasThinInstances;
                                if (e._setEmissiveTextureAndColor(a, r, o),
                                !e._isReady(r, s, e._emissiveTextureAndColor.texture))
                                    return !1
                            }
                        }
                    return !0
                }
                ,
                this._mainTexture.customRenderFunction = function(t, i, n, r) {
                    var o;
                    e.onBeforeRenderMainTextureObservable.notifyObservers(e);
                    var a = e._scene.getEngine();
                    if (r.length) {
                        for (a.setColorWrite(!1),
                        o = 0; o < r.length; o++)
                            e._renderSubMesh(r.data[o]);
                        a.setColorWrite(!0)
                    }
                    for (o = 0; o < t.length; o++)
                        e._renderSubMesh(t.data[o]);
                    for (o = 0; o < i.length; o++)
                        e._renderSubMesh(i.data[o]);
                    var s = a.getAlphaMode();
                    for (o = 0; o < n.length; o++)
                        e._renderSubMesh(n.data[o], !0);
                    a.setAlphaMode(s)
                }
                ,
                this._mainTexture.onClearObservable.add((function(t) {
                    t.clear(e.neutralColor, !0, !0, !0)
                }
                )),
                this._scene.getBoundingBoxRenderer) {
                    var o = this._scene.getBoundingBoxRenderer().enabled;
                    this._mainTexture.onBeforeBindObservable.add((function() {
                        e._scene.getBoundingBoxRenderer().enabled = !e.disableBoundingBoxesFromEffectLayer && o
                    }
                    )),
                    this._mainTexture.onAfterUnbindObservable.add((function() {
                        e._scene.getBoundingBoxRenderer().enabled = o
                    }
                    ))
                }
            }
            ,
            e.prototype._addCustomEffectDefines = function(e) {}
            ,
            e.prototype._isReady = function(e, t, i) {
                var n, r = this._scene.getEngine(), o = e.getMesh(), a = null === (n = o._internalAbstractMeshDataInfo._materialForRenderPass) || void 0 === n ? void 0 : n[r.currentRenderPassId];
                if (a)
                    return a.isReadyForSubMesh(o, e, t);
                var s = e.getMaterial();
                if (!s)
                    return !1;
                if (this._useMeshMaterial(e.getRenderingMesh()))
                    return s.isReadyForSubMesh(e.getMesh(), e, t);
                var l = []
                  , c = [Bi.PositionKind]
                  , u = !1
                  , h = !1;
                if (s) {
                    var d = s.needAlphaTesting()
                      , p = s.getAlphaTestTexture()
                      , f = p && p.hasAlpha && (s.useAlphaFromDiffuseTexture || s._useAlphaFromAlbedoTexture);
                    p && (d || f) && (l.push("#define DIFFUSE"),
                    o.isVerticesDataPresent(Bi.UV2Kind) && 1 === p.coordinatesIndex ? (l.push("#define DIFFUSEUV2"),
                    h = !0) : o.isVerticesDataPresent(Bi.UVKind) && (l.push("#define DIFFUSEUV1"),
                    u = !0),
                    d && (l.push("#define ALPHATEST"),
                    l.push("#define ALPHATESTVALUE 0.4")),
                    p.gammaSpace || l.push("#define DIFFUSE_ISLINEAR"));
                    var _ = s.opacityTexture;
                    _ && (l.push("#define OPACITY"),
                    o.isVerticesDataPresent(Bi.UV2Kind) && 1 === _.coordinatesIndex ? (l.push("#define OPACITYUV2"),
                    h = !0) : o.isVerticesDataPresent(Bi.UVKind) && (l.push("#define OPACITYUV1"),
                    u = !0))
                }
                i && (l.push("#define EMISSIVE"),
                o.isVerticesDataPresent(Bi.UV2Kind) && 1 === i.coordinatesIndex ? (l.push("#define EMISSIVEUV2"),
                h = !0) : o.isVerticesDataPresent(Bi.UVKind) && (l.push("#define EMISSIVEUV1"),
                u = !0),
                i.gammaSpace || l.push("#define EMISSIVE_ISLINEAR")),
                o.isVerticesDataPresent(Bi.ColorKind) && o.hasVertexAlpha && (c.push(Bi.ColorKind),
                l.push("#define VERTEXALPHA")),
                u && (c.push(Bi.UVKind),
                l.push("#define UV1")),
                h && (c.push(Bi.UV2Kind),
                l.push("#define UV2"));
                var m = new ys;
                if (o.useBones && o.computeBonesUsingShaders) {
                    c.push(Bi.MatricesIndicesKind),
                    c.push(Bi.MatricesWeightsKind),
                    o.numBoneInfluencers > 4 && (c.push(Bi.MatricesIndicesExtraKind),
                    c.push(Bi.MatricesWeightsExtraKind)),
                    l.push("#define NUM_BONE_INFLUENCERS " + o.numBoneInfluencers);
                    var g = o.skeleton;
                    g && g.isUsingTextureForMatrices ? l.push("#define BONETEXTURE") : l.push("#define BonesPerMesh " + (g ? g.bones.length + 1 : 0)),
                    o.numBoneInfluencers > 0 && m.addCPUSkinningFallback(0, o)
                } else
                    l.push("#define NUM_BONE_INFLUENCERS 0");
                var v = o.morphTargetManager
                  , y = 0;
                v && v.numInfluencers > 0 && (l.push("#define MORPHTARGETS"),
                y = v.numInfluencers,
                l.push("#define NUM_MORPH_INFLUENCERS " + y),
                v.isUsingTextureForTargets && l.push("#define MORPHTARGETS_TEXTURE"),
                Mr.PrepareAttributesForMorphTargetsInfluencers(c, o, y)),
                t && (l.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(c),
                e.getRenderingMesh().hasThinInstances && l.push("#define THIN_INSTANCES")),
                this._addCustomEffectDefines(l);
                var b = e._getDrawWrapper(void 0, !0)
                  , T = b.defines
                  , E = l.join("\n");
                return T !== E && b.setEffect(this._engine.createEffect("glowMapGeneration", c, ["world", "mBones", "viewProjection", "glowColor", "morphTargetInfluences", "boneTextureWidth", "diffuseMatrix", "emissiveMatrix", "opacityMatrix", "opacityIntensity", "morphTargetTextureInfo", "morphTargetTextureIndices"], ["diffuseSampler", "emissiveSampler", "opacitySampler", "boneSampler", "morphTargets"], E, m, void 0, void 0, {
                    maxSimultaneousMorphTargets: y
                }), E),
                b.effect.isReady()
            }
            ,
            e.prototype.render = function() {
                for (var e = 0; e < this._postProcesses.length; e++)
                    if (!this._postProcesses[e].isReady())
                        return;
                var t = this._scene.getEngine()
                  , i = this._numInternalDraws()
                  , n = !0;
                for (e = 0; e < i; ++e)
                    (o = this._mergeDrawWrapper[e]) || (o = this._mergeDrawWrapper[e] = new Gt(this._engine)).setEffect(this._createMergeEffect()),
                    n = n && o.effect.isReady();
                if (n) {
                    this.onBeforeComposeObservable.notifyObservers(this);
                    var r = t.getAlphaMode();
                    for (e = 0; e < i; ++e) {
                        var o = this._mergeDrawWrapper[e];
                        t.enableEffect(o),
                        t.setState(!1),
                        t.bindBuffers(this._vertexBuffers, this._indexBuffer, o.effect),
                        t.setAlphaMode(this._effectLayerOptions.alphaBlendingMode),
                        this._internalRender(o.effect, e)
                    }
                    t.setAlphaMode(r),
                    this.onAfterComposeObservable.notifyObservers(this);
                    var a = this._mainTexture.getSize();
                    this._setMainTextureSize(),
                    a.width === this._mainTextureDesiredSize.width && a.height === this._mainTextureDesiredSize.height || 0 === this._mainTextureDesiredSize.width || 0 === this._mainTextureDesiredSize.height || (this.onSizeChangedObservable.notifyObservers(this),
                    this._disposeTextureAndPostProcesses(),
                    this._createMainTexture(),
                    this._createTextureAndPostProcesses())
                }
            }
            ,
            e.prototype.hasMesh = function(e) {
                return -1 === this.renderingGroupId || e.renderingGroupId === this.renderingGroupId
            }
            ,
            e.prototype.shouldRender = function() {
                return this.isEnabled && this._shouldRender
            }
            ,
            e.prototype._shouldRenderMesh = function(e) {
                return !0
            }
            ,
            e.prototype._canRenderMesh = function(e, t) {
                return !t.needAlphaBlendingForMesh(e)
            }
            ,
            e.prototype._shouldRenderEmissiveTextureForMesh = function() {
                return !0
            }
            ,
            e.prototype._renderSubMesh = function(e, t) {
                var i, n;
                if (void 0 === t && (t = !1),
                this.shouldRender()) {
                    var r = e.getMaterial()
                      , o = e.getMesh()
                      , a = e.getReplacementMesh()
                      , s = e.getRenderingMesh()
                      , l = e.getEffectiveMesh()
                      , c = this._scene
                      , u = c.getEngine();
                    if (l._internalAbstractMeshDataInfo._isActiveIntermediate = !1,
                    r && this._canRenderMesh(s, r)) {
                        var h = null !== (i = s.overrideMaterialSideOrientation) && void 0 !== i ? i : r.sideOrientation;
                        l._getWorldMatrixDeterminant() < 0 && (h = h === Or.ClockWiseSideOrientation ? Or.CounterClockWiseSideOrientation : Or.ClockWiseSideOrientation);
                        var d = h === Or.ClockWiseSideOrientation;
                        u.setState(r.backFaceCulling, r.zOffset, void 0, d, r.cullBackFaces, void 0, r.zOffsetUnits);
                        var p = s._getInstancesRenderList(e._id, !!a);
                        if (!p.mustReturn && this._shouldRenderMesh(s)) {
                            var f = p.hardwareInstancedRendering[e._id] || s.hasThinInstances;
                            if (this._setEmissiveTextureAndColor(s, e, r),
                            this.onBeforeRenderMeshToEffect.notifyObservers(o),
                            this._useMeshMaterial(s))
                                s.render(e, f, a || void 0);
                            else if (this._isReady(e, f, this._emissiveTextureAndColor.texture)) {
                                var _ = null === (n = l._internalAbstractMeshDataInfo._materialForRenderPass) || void 0 === n ? void 0 : n[u.currentRenderPassId]
                                  , m = e._getDrawWrapper();
                                if (!m && _ && (m = _._getDrawWrapper()),
                                !m)
                                    return;
                                var g = m.effect;
                                if (u.enableEffect(m),
                                !f) {
                                    var v = c.forcePointsCloud ? Or.PointFillMode : c.forceWireframe ? Or.WireFrameFillMode : r.fillMode;
                                    s._bind(e, g, v)
                                }
                                if (_ ? _.bindForSubMesh(l.getWorldMatrix(), l, e) : (g.setMatrix("viewProjection", c.getTransformMatrix()),
                                g.setMatrix("world", l.getWorldMatrix()),
                                g.setFloat4("glowColor", this._emissiveTextureAndColor.color.r, this._emissiveTextureAndColor.color.g, this._emissiveTextureAndColor.color.b, this._emissiveTextureAndColor.color.a)),
                                !_) {
                                    var y = r.needAlphaTesting()
                                      , b = r.getAlphaTestTexture()
                                      , T = b && b.hasAlpha && (r.useAlphaFromDiffuseTexture || r._useAlphaFromAlbedoTexture);
                                    b && (y || T) && (g.setTexture("diffuseSampler", b),
                                    (E = b.getTextureMatrix()) && g.setMatrix("diffuseMatrix", E));
                                    var E, S = r.opacityTexture;
                                    if (S && (g.setTexture("opacitySampler", S),
                                    g.setFloat("opacityIntensity", S.level),
                                    (E = S.getTextureMatrix()) && g.setMatrix("opacityMatrix", E)),
                                    this._emissiveTextureAndColor.texture && (g.setTexture("emissiveSampler", this._emissiveTextureAndColor.texture),
                                    g.setMatrix("emissiveMatrix", this._emissiveTextureAndColor.texture.getTextureMatrix())),
                                    s.useBones && s.computeBonesUsingShaders && s.skeleton) {
                                        var A = s.skeleton;
                                        if (A.isUsingTextureForMatrices) {
                                            var x = A.getTransformMatrixTexture(s);
                                            if (!x)
                                                return;
                                            g.setTexture("boneSampler", x),
                                            g.setFloat("boneTextureWidth", 4 * (A.bones.length + 1))
                                        } else
                                            g.setMatrices("mBones", A.getTransformMatrices(s))
                                    }
                                    Mr.BindMorphTargetParameters(s, g),
                                    s.morphTargetManager && s.morphTargetManager.isUsingTextureForTargets && s.morphTargetManager._bind(g),
                                    t && u.setAlphaMode(r.alphaMode)
                                }
                                s._processRendering(l, e, g, r.fillMode, p, f, (function(e, t) {
                                    return g.setMatrix("world", t)
                                }
                                ))
                            } else
                                this._mainTexture.resetRefreshCounter();
                            this.onAfterRenderMeshToEffect.notifyObservers(o)
                        }
                    }
                }
            }
            ,
            e.prototype._useMeshMaterial = function(e) {
                return !1
            }
            ,
            e.prototype._rebuild = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && e._rebuild(),
                this._generateIndexBuffer()
            }
            ,
            e.prototype._disposeTextureAndPostProcesses = function() {
                this._mainTexture.dispose();
                for (var e = 0; e < this._postProcesses.length; e++)
                    this._postProcesses[e] && this._postProcesses[e].dispose();
                for (this._postProcesses = [],
                e = 0; e < this._textures.length; e++)
                    this._textures[e] && this._textures[e].dispose();
                this._textures = []
            }
            ,
            e.prototype.dispose = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && (e.dispose(),
                this._vertexBuffers[Bi.PositionKind] = null),
                this._indexBuffer && (this._scene.getEngine()._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null);
                for (var t = 0, i = this._mergeDrawWrapper; t < i.length; t++)
                    i[t].dispose();
                this._mergeDrawWrapper = [],
                this._disposeTextureAndPostProcesses();
                var n = this._scene.effectLayers.indexOf(this, 0);
                n > -1 && this._scene.effectLayers.splice(n, 1),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this.onBeforeRenderMainTextureObservable.clear(),
                this.onBeforeComposeObservable.clear(),
                this.onBeforeRenderMeshToEffect.clear(),
                this.onAfterRenderMeshToEffect.clear(),
                this.onAfterComposeObservable.clear(),
                this.onSizeChangedObservable.clear()
            }
            ,
            e.prototype.getClassName = function() {
                return "EffectLayer"
            }
            ,
            e.Parse = function(e, t, i) {
                return gi.Instantiate(e.customType).Parse(e, t, i)
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("EffectLayerSceneComponent")
            }
            ,
            k([Ce()], e.prototype, "name", void 0),
            k([Fe()], e.prototype, "neutralColor", void 0),
            k([Ce()], e.prototype, "isEnabled", void 0),
            k([Ve()], e.prototype, "camera", null),
            k([Ce()], e.prototype, "renderingGroupId", null),
            k([Ce()], e.prototype, "disableBoundingBoxesFromEffectLayer", void 0),
            e
        }();
        o.AddParser(Wi.NAME_EFFECTLAYER, (function(e, t, i, n) {
            if (e.effectLayers) {
                i.effectLayers || (i.effectLayers = new Array);
                for (var r = 0; r < e.effectLayers.length; r++) {
                    var o = Kf.Parse(e.effectLayers[r], t, n);
                    i.effectLayers.push(o)
                }
            }
        }
        )),
        o.prototype.removeEffectLayer = function(e) {
            var t = this.effectLayers.indexOf(e);
            return -1 !== t && this.effectLayers.splice(t, 1),
            t
        }
        ,
        o.prototype.addEffectLayer = function(e) {
            this.effectLayers.push(e)
        }
        ;
        var Qf = function() {
            function e(e) {
                this.name = Wi.NAME_EFFECTLAYER,
                this._renderEffects = !1,
                this._needStencil = !1,
                this._previousStencilState = !1,
                this.scene = e || E.LastCreatedScene,
                this.scene && (this._engine = this.scene.getEngine(),
                this.scene.effectLayers = new Array)
            }
            return e.prototype.register = function() {
                this.scene._isReadyForMeshStage.registerStep(Wi.STEP_ISREADYFORMESH_EFFECTLAYER, this, this._isReadyForMesh),
                this.scene._cameraDrawRenderTargetStage.registerStep(Wi.STEP_CAMERADRAWRENDERTARGET_EFFECTLAYER, this, this._renderMainTexture),
                this.scene._beforeCameraDrawStage.registerStep(Wi.STEP_BEFORECAMERADRAW_EFFECTLAYER, this, this._setStencil),
                this.scene._afterRenderingGroupDrawStage.registerStep(Wi.STEP_AFTERRENDERINGGROUPDRAW_EFFECTLAYER_DRAW, this, this._drawRenderingGroup),
                this.scene._afterCameraDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_EFFECTLAYER, this, this._setStencilBack),
                this.scene._afterCameraDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_EFFECTLAYER_DRAW, this, this._drawCamera)
            }
            ,
            e.prototype.rebuild = function() {
                for (var e = 0, t = this.scene.effectLayers; e < t.length; e++)
                    t[e]._rebuild()
            }
            ,
            e.prototype.serialize = function(e) {
                e.effectLayers = [];
                for (var t = 0, i = this.scene.effectLayers; t < i.length; t++) {
                    var n = i[t];
                    n.serialize && e.effectLayers.push(n.serialize())
                }
            }
            ,
            e.prototype.addFromContainer = function(e) {
                var t = this;
                e.effectLayers && e.effectLayers.forEach((function(e) {
                    t.scene.addEffectLayer(e)
                }
                ))
            }
            ,
            e.prototype.removeFromContainer = function(e, t) {
                var i = this;
                e.effectLayers && e.effectLayers.forEach((function(e) {
                    i.scene.removeEffectLayer(e),
                    t && e.dispose()
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                for (var e = this.scene.effectLayers; e.length; )
                    e[0].dispose()
            }
            ,
            e.prototype._isReadyForMesh = function(e, t) {
                for (var i = this._engine.currentRenderPassId, n = 0, r = this.scene.effectLayers; n < r.length; n++) {
                    var o = r[n];
                    if (o.hasMesh(e)) {
                        var a = o._mainTexture;
                        this._engine.currentRenderPassId = a.renderPassId;
                        for (var s = 0, l = e.subMeshes; s < l.length; s++) {
                            var c = l[s];
                            if (!o.isReady(c, t))
                                return this._engine.currentRenderPassId = i,
                                !1
                        }
                    }
                }
                return this._engine.currentRenderPassId = i,
                !0
            }
            ,
            e.prototype._renderMainTexture = function(e) {
                this._renderEffects = !1,
                this._needStencil = !1;
                var t = !1
                  , i = this.scene.effectLayers;
                if (i && i.length > 0) {
                    this._previousStencilState = this._engine.getStencilBuffer();
                    for (var n = 0, r = i; n < r.length; n++) {
                        var o = r[n];
                        if (o.shouldRender() && (!o.camera || o.camera.cameraRigMode === Rr.RIG_MODE_NONE && e === o.camera || o.camera.cameraRigMode !== Rr.RIG_MODE_NONE && o.camera._rigCameras.indexOf(e) > -1)) {
                            this._renderEffects = !0,
                            this._needStencil = this._needStencil || o.needStencil();
                            var a = o._mainTexture;
                            a._shouldRender() && (this.scene.incrementRenderId(),
                            a.render(!1, !1),
                            t = !0)
                        }
                    }
                    this.scene.incrementRenderId()
                }
                return t
            }
            ,
            e.prototype._setStencil = function() {
                this._needStencil && this._engine.setStencilBuffer(!0)
            }
            ,
            e.prototype._setStencilBack = function() {
                this._needStencil && this._engine.setStencilBuffer(this._previousStencilState)
            }
            ,
            e.prototype._draw = function(e) {
                if (this._renderEffects) {
                    this._engine.setDepthBuffer(!1);
                    for (var t = this.scene.effectLayers, i = 0; i < t.length; i++) {
                        var n = t[i];
                        n.renderingGroupId === e && n.shouldRender() && n.render()
                    }
                    this._engine.setDepthBuffer(!0)
                }
            }
            ,
            e.prototype._drawCamera = function() {
                this._renderEffects && this._draw(-1)
            }
            ,
            e.prototype._drawRenderingGroup = function(e) {
                !this.scene._isInIntermediateRendering() && this._renderEffects && this._draw(e)
            }
            ,
            e
        }();
        Kf._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_EFFECTLAYER);
            t || (t = new Qf(e),
            e._addComponent(t))
        }
        ;
        Pt.ShadersStore.glowMapMergePixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#ifdef EMISSIVE\nuniform sampler2D textureSampler2;\n#endif\nuniform float offset;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec4 baseColor=texture2D(textureSampler,vUV);\n#ifdef EMISSIVE\nbaseColor+=texture2D(textureSampler2,vUV);\nbaseColor*=offset;\n#else\nbaseColor.a=abs(offset-baseColor.a);\n#ifdef STROKE\nfloat alpha=smoothstep(.0,.1,baseColor.a);\nbaseColor.a=alpha;\nbaseColor.rgb=baseColor.rgb*alpha;\n#endif\n#endif\n#if LDR\nbaseColor=clamp(baseColor,0.,1.0);\n#endif\ngl_FragColor=baseColor;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.glowMapMergeVertexShader = "attribute vec2 position;\nvarying vec2 vUV;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvUV=position*madd+madd;\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}",
        o.prototype.getGlowLayerByName = function(e) {
            for (var t = 0; t < this.effectLayers.length; t++)
                if (this.effectLayers[t].name === e && this.effectLayers[t].getEffectName() === qf.EffectName)
                    return this.effectLayers[t];
            return null
        }
        ;
        var qf = function(e) {
            function t(i, n, r) {
                var o = e.call(this, i, n) || this;
                return o._intensity = 1,
                o._includedOnlyMeshes = [],
                o._excludedMeshes = [],
                o._meshesUsingTheirOwnMaterials = [],
                o.neutralColor = new N(0,0,0,1),
                o._options = V({
                    mainTextureRatio: t.DefaultTextureRatio,
                    blurKernelSize: 32,
                    mainTextureFixedSize: void 0,
                    camera: null,
                    mainTextureSamples: 1,
                    renderingGroupId: -1,
                    ldrMerge: !1,
                    alphaBlendingMode: a.ALPHA_ADD
                }, r),
                o._init({
                    alphaBlendingMode: o._options.alphaBlendingMode,
                    camera: o._options.camera,
                    mainTextureFixedSize: o._options.mainTextureFixedSize,
                    mainTextureRatio: o._options.mainTextureRatio,
                    renderingGroupId: o._options.renderingGroupId
                }),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "blurKernelSize", {
                get: function() {
                    return this._horizontalBlurPostprocess1.kernel
                },
                set: function(e) {
                    this._horizontalBlurPostprocess1.kernel = e,
                    this._verticalBlurPostprocess1.kernel = e,
                    this._horizontalBlurPostprocess2.kernel = e,
                    this._verticalBlurPostprocess2.kernel = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._intensity
                },
                set: function(e) {
                    this._intensity = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getEffectName = function() {
                return t.EffectName
            }
            ,
            t.prototype._createMergeEffect = function() {
                var e = "#define EMISSIVE \n";
                return this._options.ldrMerge && (e += "#define LDR \n"),
                this._engine.createEffect("glowMapMerge", [Bi.PositionKind], ["offset"], ["textureSampler", "textureSampler2"], e)
            }
            ,
            t.prototype._createTextureAndPostProcesses = function() {
                var e = this
                  , t = this._mainTextureDesiredSize.width
                  , i = this._mainTextureDesiredSize.height;
                t = this._engine.needPOTTextures ? vr.GetExponentOfTwo(t, this._maxSize) : t,
                i = this._engine.needPOTTextures ? vr.GetExponentOfTwo(i, this._maxSize) : i;
                var n;
                n = this._engine.getCaps().textureHalfFloatRender ? a.TEXTURETYPE_HALF_FLOAT : a.TEXTURETYPE_UNSIGNED_INT,
                this._blurTexture1 = new ns("GlowLayerBlurRTT",{
                    width: t,
                    height: i
                },this._scene,!1,!0,n),
                this._blurTexture1.wrapU = io.CLAMP_ADDRESSMODE,
                this._blurTexture1.wrapV = io.CLAMP_ADDRESSMODE,
                this._blurTexture1.updateSamplingMode(io.BILINEAR_SAMPLINGMODE),
                this._blurTexture1.renderParticles = !1,
                this._blurTexture1.ignoreCameraViewport = !0;
                var r = Math.floor(t / 2)
                  , o = Math.floor(i / 2);
                this._blurTexture2 = new ns("GlowLayerBlurRTT2",{
                    width: r,
                    height: o
                },this._scene,!1,!0,n),
                this._blurTexture2.wrapU = io.CLAMP_ADDRESSMODE,
                this._blurTexture2.wrapV = io.CLAMP_ADDRESSMODE,
                this._blurTexture2.updateSamplingMode(io.BILINEAR_SAMPLINGMODE),
                this._blurTexture2.renderParticles = !1,
                this._blurTexture2.ignoreCameraViewport = !0,
                this._textures = [this._blurTexture1, this._blurTexture2],
                this._horizontalBlurPostprocess1 = new Fd("GlowLayerHBP1",new A(1,0),this._options.blurKernelSize / 2,{
                    width: t,
                    height: i
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._horizontalBlurPostprocess1.width = t,
                this._horizontalBlurPostprocess1.height = i,
                this._horizontalBlurPostprocess1.externalTextureSamplerBinding = !0,
                this._horizontalBlurPostprocess1.onApplyObservable.add((function(t) {
                    t.setTexture("textureSampler", e._mainTexture)
                }
                )),
                this._verticalBlurPostprocess1 = new Fd("GlowLayerVBP1",new A(0,1),this._options.blurKernelSize / 2,{
                    width: t,
                    height: i
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._horizontalBlurPostprocess2 = new Fd("GlowLayerHBP2",new A(1,0),this._options.blurKernelSize / 2,{
                    width: r,
                    height: o
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._horizontalBlurPostprocess2.width = r,
                this._horizontalBlurPostprocess2.height = o,
                this._horizontalBlurPostprocess2.externalTextureSamplerBinding = !0,
                this._horizontalBlurPostprocess2.onApplyObservable.add((function(t) {
                    t.setTexture("textureSampler", e._blurTexture1)
                }
                )),
                this._verticalBlurPostprocess2 = new Fd("GlowLayerVBP2",new A(0,1),this._options.blurKernelSize / 2,{
                    width: r,
                    height: o
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._postProcesses = [this._horizontalBlurPostprocess1, this._verticalBlurPostprocess1, this._horizontalBlurPostprocess2, this._verticalBlurPostprocess2],
                this._postProcesses1 = [this._horizontalBlurPostprocess1, this._verticalBlurPostprocess1],
                this._postProcesses2 = [this._horizontalBlurPostprocess2, this._verticalBlurPostprocess2],
                this._mainTexture.samples = this._options.mainTextureSamples,
                this._mainTexture.onAfterUnbindObservable.add((function() {
                    var t = e._blurTexture1.renderTarget;
                    if (t) {
                        e._scene.postProcessManager.directRender(e._postProcesses1, t, !0);
                        var i = e._blurTexture2.renderTarget;
                        i && e._scene.postProcessManager.directRender(e._postProcesses2, i, !0),
                        e._engine.unBindFramebuffer(null != i ? i : t, !0)
                    }
                }
                )),
                this._postProcesses.map((function(e) {
                    e.autoClear = !1
                }
                ))
            }
            ,
            t.prototype.isReady = function(t, i) {
                var n = t.getMaterial()
                  , r = t.getRenderingMesh();
                if (!n || !r)
                    return !1;
                var o = n.emissiveTexture;
                return e.prototype._isReady.call(this, t, i, o)
            }
            ,
            t.prototype.needStencil = function() {
                return !1
            }
            ,
            t.prototype._canRenderMesh = function(e, t) {
                return !0
            }
            ,
            t.prototype._internalRender = function(e) {
                e.setTexture("textureSampler", this._blurTexture1),
                e.setTexture("textureSampler2", this._blurTexture2),
                e.setFloat("offset", this._intensity);
                var t = this._engine
                  , i = t.getStencilBuffer();
                t.setStencilBuffer(!1),
                t.drawElementsType(Or.TriangleFillMode, 0, 6),
                t.setStencilBuffer(i)
            }
            ,
            t.prototype._setEmissiveTextureAndColor = function(e, t, i) {
                var n, r = 1;
                this.customEmissiveTextureSelector ? this._emissiveTextureAndColor.texture = this.customEmissiveTextureSelector(e, t, i) : i ? (this._emissiveTextureAndColor.texture = i.emissiveTexture,
                this._emissiveTextureAndColor.texture && (r = this._emissiveTextureAndColor.texture.level)) : this._emissiveTextureAndColor.texture = null,
                this.customEmissiveColorSelector ? this.customEmissiveColorSelector(e, t, i, this._emissiveTextureAndColor.color) : i.emissiveColor ? (r *= null !== (n = i.emissiveIntensity) && void 0 !== n ? n : 1,
                this._emissiveTextureAndColor.color.set(i.emissiveColor.r * r, i.emissiveColor.g * r, i.emissiveColor.b * r, i.alpha)) : this._emissiveTextureAndColor.color.set(this.neutralColor.r, this.neutralColor.g, this.neutralColor.b, this.neutralColor.a)
            }
            ,
            t.prototype._shouldRenderMesh = function(e) {
                return this.hasMesh(e)
            }
            ,
            t.prototype._addCustomEffectDefines = function(e) {
                e.push("#define GLOW")
            }
            ,
            t.prototype.addExcludedMesh = function(e) {
                -1 === this._excludedMeshes.indexOf(e.uniqueId) && this._excludedMeshes.push(e.uniqueId)
            }
            ,
            t.prototype.removeExcludedMesh = function(e) {
                var t = this._excludedMeshes.indexOf(e.uniqueId);
                -1 !== t && this._excludedMeshes.splice(t, 1)
            }
            ,
            t.prototype.addIncludedOnlyMesh = function(e) {
                -1 === this._includedOnlyMeshes.indexOf(e.uniqueId) && this._includedOnlyMeshes.push(e.uniqueId)
            }
            ,
            t.prototype.removeIncludedOnlyMesh = function(e) {
                var t = this._includedOnlyMeshes.indexOf(e.uniqueId);
                -1 !== t && this._includedOnlyMeshes.splice(t, 1)
            }
            ,
            t.prototype.hasMesh = function(t) {
                return !!e.prototype.hasMesh.call(this, t) && (this._includedOnlyMeshes.length ? -1 !== this._includedOnlyMeshes.indexOf(t.uniqueId) : !this._excludedMeshes.length || -1 === this._excludedMeshes.indexOf(t.uniqueId))
            }
            ,
            t.prototype._useMeshMaterial = function(e) {
                return 0 != this._meshesUsingTheirOwnMaterials.length && this._meshesUsingTheirOwnMaterials.indexOf(e.uniqueId) > -1
            }
            ,
            t.prototype.referenceMeshToUseItsOwnMaterial = function(e) {
                var t = this;
                e.resetDrawCache(this._mainTexture.renderPassId),
                this._meshesUsingTheirOwnMaterials.push(e.uniqueId),
                e.onDisposeObservable.add((function() {
                    t._disposeMesh(e)
                }
                ))
            }
            ,
            t.prototype.unReferenceMeshFromUsingItsOwnMaterial = function(e) {
                for (var t = this._meshesUsingTheirOwnMaterials.indexOf(e.uniqueId); t >= 0; )
                    this._meshesUsingTheirOwnMaterials.splice(t, 1),
                    t = this._meshesUsingTheirOwnMaterials.indexOf(e.uniqueId);
                e.resetDrawCache(this._mainTexture.renderPassId)
            }
            ,
            t.prototype._disposeMesh = function(e) {
                this.removeIncludedOnlyMesh(e),
                this.removeExcludedMesh(e)
            }
            ,
            t.prototype.getClassName = function() {
                return "GlowLayer"
            }
            ,
            t.prototype.serialize = function() {
                var e, t = Ge.Serialize(this);
                if (t.customType = "BABYLON.GlowLayer",
                t.includedMeshes = [],
                this._includedOnlyMeshes.length)
                    for (e = 0; e < this._includedOnlyMeshes.length; e++)
                        (i = this._scene.getMeshByUniqueId(this._includedOnlyMeshes[e])) && t.includedMeshes.push(i.id);
                if (t.excludedMeshes = [],
                this._excludedMeshes.length)
                    for (e = 0; e < this._excludedMeshes.length; e++) {
                        var i;
                        (i = this._scene.getMeshByUniqueId(this._excludedMeshes[e])) && t.excludedMeshes.push(i.id)
                    }
                return t
            }
            ,
            t.Parse = function(e, i, n) {
                var r, o = Ge.Parse((function() {
                    return new t(e.name,i,e.options)
                }
                ), e, i, n);
                for (r = 0; r < e.excludedMeshes.length; r++)
                    (a = i.getMeshById(e.excludedMeshes[r])) && o.addExcludedMesh(a);
                for (r = 0; r < e.includedMeshes.length; r++) {
                    var a;
                    (a = i.getMeshById(e.includedMeshes[r])) && o.addIncludedOnlyMesh(a)
                }
                return o
            }
            ,
            t.EffectName = "GlowLayer",
            t.DefaultBlurKernelSize = 32,
            t.DefaultTextureRatio = .5,
            k([Ce()], t.prototype, "blurKernelSize", null),
            k([Ce()], t.prototype, "intensity", null),
            k([Ce("options")], t.prototype, "_options", void 0),
            t
        }(Kf);
        y("BABYLON.GlowLayer", qf);
        Pt.ShadersStore.glowBlurPostProcessPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec2 screenSize;\nuniform vec2 direction;\nuniform float blurWidth;\nfloat getLuminance(vec3 color)\n{\nreturn dot(color,vec3(0.2126,0.7152,0.0722));\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nfloat weights[7];\nweights[0]=0.05;\nweights[1]=0.1;\nweights[2]=0.2;\nweights[3]=0.3;\nweights[4]=0.2;\nweights[5]=0.1;\nweights[6]=0.05;\nvec2 texelSize=vec2(1.0/screenSize.x,1.0/screenSize.y);\nvec2 texelStep=texelSize*direction*blurWidth;\nvec2 start=vUV-3.0*texelStep;\nvec4 baseColor=vec4(0.,0.,0.,0.);\nvec2 texelOffset=vec2(0.,0.);\nfor (int i=0; i<7; i++)\n{\nvec4 texel=texture2D(textureSampler,start+texelOffset);\nbaseColor.a+=texel.a*weights[i];\nfloat luminance=getLuminance(baseColor.rgb);\nfloat luminanceTexel=getLuminance(texel.rgb);\nfloat choice=step(luminanceTexel,luminance);\nbaseColor.rgb=choice*baseColor.rgb+(1.0-choice)*texel.rgb;\ntexelOffset+=texelStep;\n}\ngl_FragColor=baseColor;\n}",
        o.prototype.getHighlightLayerByName = function(e) {
            for (var t, i = 0; i < (null === (t = this.effectLayers) || void 0 === t ? void 0 : t.length); i++)
                if (this.effectLayers[i].name === e && this.effectLayers[i].getEffectName() === Jf.EffectName)
                    return this.effectLayers[i];
            return null
        }
        ;
        var Zf = function(e) {
            function t(t, i, n, r, o, a, s, l) {
                void 0 === a && (a = io.BILINEAR_SAMPLINGMODE);
                var c = e.call(this, t, "glowBlurPostProcess", ["screenSize", "direction", "blurWidth"], null, r, o, a, s, l) || this;
                return c.direction = i,
                c.kernel = n,
                c.onApplyObservable.add((function(e) {
                    e.setFloat2("screenSize", c.width, c.height),
                    e.setVector2("direction", c.direction),
                    e.setFloat("blurWidth", c.kernel)
                }
                )),
                c
            }
            return U(t, e),
            t
        }(Ba)
          , Jf = function(e) {
            function t(i, n, r) {
                var o = e.call(this, i, n) || this;
                return o.name = i,
                o.innerGlow = !0,
                o.outerGlow = !0,
                o.onBeforeBlurObservable = new h,
                o.onAfterBlurObservable = new h,
                o._instanceGlowingMeshStencilReference = t.GlowingMeshStencilReference++,
                o._meshes = {},
                o._excludedMeshes = {},
                o.neutralColor = t.NeutralColor,
                o._engine.isStencilEnable || K.Warn("Rendering the Highlight Layer requires the stencil to be active on the canvas. var engine = new Engine(canvas, antialias, { stencil: true }"),
                o._options = V({
                    mainTextureRatio: .5,
                    blurTextureSizeRatio: .5,
                    blurHorizontalSize: 1,
                    blurVerticalSize: 1,
                    alphaBlendingMode: a.ALPHA_COMBINE,
                    camera: null,
                    renderingGroupId: -1
                }, r),
                o._init({
                    alphaBlendingMode: o._options.alphaBlendingMode,
                    camera: o._options.camera,
                    mainTextureFixedSize: o._options.mainTextureFixedSize,
                    mainTextureRatio: o._options.mainTextureRatio,
                    renderingGroupId: o._options.renderingGroupId
                }),
                o._shouldRender = !1,
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "blurHorizontalSize", {
                get: function() {
                    return this._horizontalBlurPostprocess.kernel
                },
                set: function(e) {
                    this._horizontalBlurPostprocess.kernel = e,
                    this._options.blurHorizontalSize = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blurVerticalSize", {
                get: function() {
                    return this._verticalBlurPostprocess.kernel
                },
                set: function(e) {
                    this._verticalBlurPostprocess.kernel = e,
                    this._options.blurVerticalSize = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getEffectName = function() {
                return t.EffectName
            }
            ,
            t.prototype._numInternalDraws = function() {
                return 2
            }
            ,
            t.prototype._createMergeEffect = function() {
                return this._engine.createEffect("glowMapMerge", [Bi.PositionKind], ["offset"], ["textureSampler"], this._options.isStroke ? "#define STROKE \n" : void 0)
            }
            ,
            t.prototype._createTextureAndPostProcesses = function() {
                var e = this
                  , t = this._mainTextureDesiredSize.width * this._options.blurTextureSizeRatio
                  , i = this._mainTextureDesiredSize.height * this._options.blurTextureSizeRatio;
                t = this._engine.needPOTTextures ? vr.GetExponentOfTwo(t, this._maxSize) : t,
                i = this._engine.needPOTTextures ? vr.GetExponentOfTwo(i, this._maxSize) : i;
                var n;
                n = this._engine.getCaps().textureHalfFloatRender ? a.TEXTURETYPE_HALF_FLOAT : a.TEXTURETYPE_UNSIGNED_INT,
                this._blurTexture = new ns("HighlightLayerBlurRTT",{
                    width: t,
                    height: i
                },this._scene,!1,!0,n),
                this._blurTexture.wrapU = io.CLAMP_ADDRESSMODE,
                this._blurTexture.wrapV = io.CLAMP_ADDRESSMODE,
                this._blurTexture.anisotropicFilteringLevel = 16,
                this._blurTexture.updateSamplingMode(io.TRILINEAR_SAMPLINGMODE),
                this._blurTexture.renderParticles = !1,
                this._blurTexture.ignoreCameraViewport = !0,
                this._textures = [this._blurTexture],
                this._options.alphaBlendingMode === a.ALPHA_COMBINE ? (this._downSamplePostprocess = new Ua("HighlightLayerPPP",this._options.blurTextureSizeRatio,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine()),
                this._downSamplePostprocess.externalTextureSamplerBinding = !0,
                this._downSamplePostprocess.onApplyObservable.add((function(t) {
                    t.setTexture("textureSampler", e._mainTexture)
                }
                )),
                this._horizontalBlurPostprocess = new Zf("HighlightLayerHBP",new A(1,0),this._options.blurHorizontalSize,1,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine()),
                this._horizontalBlurPostprocess.onApplyObservable.add((function(e) {
                    e.setFloat2("screenSize", t, i)
                }
                )),
                this._verticalBlurPostprocess = new Zf("HighlightLayerVBP",new A(0,1),this._options.blurVerticalSize,1,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine()),
                this._verticalBlurPostprocess.onApplyObservable.add((function(e) {
                    e.setFloat2("screenSize", t, i)
                }
                )),
                this._postProcesses = [this._downSamplePostprocess, this._horizontalBlurPostprocess, this._verticalBlurPostprocess]) : (this._horizontalBlurPostprocess = new Fd("HighlightLayerHBP",new A(1,0),this._options.blurHorizontalSize / 2,{
                    width: t,
                    height: i
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._horizontalBlurPostprocess.width = t,
                this._horizontalBlurPostprocess.height = i,
                this._horizontalBlurPostprocess.externalTextureSamplerBinding = !0,
                this._horizontalBlurPostprocess.onApplyObservable.add((function(t) {
                    t.setTexture("textureSampler", e._mainTexture)
                }
                )),
                this._verticalBlurPostprocess = new Fd("HighlightLayerVBP",new A(0,1),this._options.blurVerticalSize / 2,{
                    width: t,
                    height: i
                },null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,n),
                this._postProcesses = [this._horizontalBlurPostprocess, this._verticalBlurPostprocess]),
                this._mainTexture.onAfterUnbindObservable.add((function() {
                    e.onBeforeBlurObservable.notifyObservers(e);
                    var t = e._blurTexture.renderTarget;
                    t && (e._scene.postProcessManager.directRender(e._postProcesses, t, !0),
                    e._engine.unBindFramebuffer(t, !0)),
                    e.onAfterBlurObservable.notifyObservers(e)
                }
                )),
                this._postProcesses.map((function(e) {
                    e.autoClear = !1
                }
                ))
            }
            ,
            t.prototype.needStencil = function() {
                return !0
            }
            ,
            t.prototype.isReady = function(t, i) {
                var n = t.getMaterial()
                  , r = t.getRenderingMesh();
                if (!n || !r || !this._meshes)
                    return !1;
                var o = null
                  , a = this._meshes[r.uniqueId];
                return a && a.glowEmissiveOnly && n && (o = n.emissiveTexture),
                e.prototype._isReady.call(this, t, i, o)
            }
            ,
            t.prototype._internalRender = function(e, t) {
                e.setTexture("textureSampler", this._blurTexture);
                var i = this._engine;
                i.cacheStencilState(),
                i.setStencilOperationPass(a.REPLACE),
                i.setStencilOperationFail(a.KEEP),
                i.setStencilOperationDepthFail(a.KEEP),
                i.setStencilMask(0),
                i.setStencilBuffer(!0),
                i.setStencilFunctionReference(this._instanceGlowingMeshStencilReference),
                this.outerGlow && 0 === t && (e.setFloat("offset", 0),
                i.setStencilFunction(a.NOTEQUAL),
                i.drawElementsType(Or.TriangleFillMode, 0, 6)),
                this.innerGlow && 1 === t && (e.setFloat("offset", 1),
                i.setStencilFunction(a.EQUAL),
                i.drawElementsType(Or.TriangleFillMode, 0, 6)),
                i.restoreStencilState()
            }
            ,
            t.prototype.shouldRender = function() {
                return !!e.prototype.shouldRender.call(this) && !!this._meshes
            }
            ,
            t.prototype._shouldRenderMesh = function(t) {
                return !(this._excludedMeshes && this._excludedMeshes[t.uniqueId] || !e.prototype.hasMesh.call(this, t))
            }
            ,
            t.prototype._canRenderMesh = function(e, t) {
                return !0
            }
            ,
            t.prototype._addCustomEffectDefines = function(e) {
                e.push("#define HIGHLIGHT")
            }
            ,
            t.prototype._setEmissiveTextureAndColor = function(e, t, i) {
                var n = this._meshes[e.uniqueId];
                n ? this._emissiveTextureAndColor.color.set(n.color.r, n.color.g, n.color.b, 1) : this._emissiveTextureAndColor.color.set(this.neutralColor.r, this.neutralColor.g, this.neutralColor.b, this.neutralColor.a),
                n && n.glowEmissiveOnly && i ? (this._emissiveTextureAndColor.texture = i.emissiveTexture,
                this._emissiveTextureAndColor.color.set(1, 1, 1, 1)) : this._emissiveTextureAndColor.texture = null
            }
            ,
            t.prototype.addExcludedMesh = function(e) {
                this._excludedMeshes && (this._excludedMeshes[e.uniqueId] || (this._excludedMeshes[e.uniqueId] = {
                    mesh: e,
                    beforeBind: e.onBeforeBindObservable.add((function(e) {
                        e.getEngine().setStencilBuffer(!1)
                    }
                    )),
                    afterRender: e.onAfterRenderObservable.add((function(e) {
                        e.getEngine().setStencilBuffer(!0)
                    }
                    ))
                }))
            }
            ,
            t.prototype.removeExcludedMesh = function(e) {
                if (this._excludedMeshes) {
                    var t = this._excludedMeshes[e.uniqueId];
                    t && (t.beforeBind && e.onBeforeBindObservable.remove(t.beforeBind),
                    t.afterRender && e.onAfterRenderObservable.remove(t.afterRender)),
                    this._excludedMeshes[e.uniqueId] = null
                }
            }
            ,
            t.prototype.hasMesh = function(t) {
                return !!this._meshes && !!e.prototype.hasMesh.call(this, t) && void 0 !== this._meshes[t.uniqueId] && null !== this._meshes[t.uniqueId]
            }
            ,
            t.prototype.addMesh = function(e, t, i) {
                var n = this;
                if (void 0 === i && (i = !1),
                this._meshes) {
                    var r = this._meshes[e.uniqueId];
                    r ? r.color = t : (this._meshes[e.uniqueId] = {
                        mesh: e,
                        color: t,
                        observerHighlight: e.onBeforeBindObservable.add((function(e) {
                            n.isEnabled && (n._excludedMeshes && n._excludedMeshes[e.uniqueId] ? n._defaultStencilReference(e) : e.getScene().getEngine().setStencilFunctionReference(n._instanceGlowingMeshStencilReference))
                        }
                        )),
                        observerDefault: e.onAfterRenderObservable.add((function(e) {
                            n.isEnabled && n._defaultStencilReference(e)
                        }
                        )),
                        glowEmissiveOnly: i
                    },
                    e.onDisposeObservable.add((function() {
                        n._disposeMesh(e)
                    }
                    ))),
                    this._shouldRender = !0
                }
            }
            ,
            t.prototype.removeMesh = function(e) {
                if (this._meshes) {
                    var t = this._meshes[e.uniqueId];
                    for (var i in t && (t.observerHighlight && e.onBeforeBindObservable.remove(t.observerHighlight),
                    t.observerDefault && e.onAfterRenderObservable.remove(t.observerDefault),
                    delete this._meshes[e.uniqueId]),
                    this._shouldRender = !1,
                    this._meshes)
                        if (this._meshes[i]) {
                            this._shouldRender = !0;
                            break
                        }
                }
            }
            ,
            t.prototype.removeAllMeshes = function() {
                if (this._meshes)
                    for (var e in this._meshes)
                        if (Object.prototype.hasOwnProperty.call(this._meshes, e)) {
                            var t = this._meshes[e];
                            t && this.removeMesh(t.mesh)
                        }
            }
            ,
            t.prototype._defaultStencilReference = function(e) {
                e.getScene().getEngine().setStencilFunctionReference(t.NormalMeshStencilReference)
            }
            ,
            t.prototype._disposeMesh = function(e) {
                this.removeMesh(e),
                this.removeExcludedMesh(e)
            }
            ,
            t.prototype.dispose = function() {
                if (this._meshes) {
                    for (var t in this._meshes)
                        (i = this._meshes[t]) && i.mesh && (i.observerHighlight && i.mesh.onBeforeBindObservable.remove(i.observerHighlight),
                        i.observerDefault && i.mesh.onAfterRenderObservable.remove(i.observerDefault));
                    this._meshes = null
                }
                if (this._excludedMeshes) {
                    for (var t in this._excludedMeshes) {
                        var i;
                        (i = this._excludedMeshes[t]) && (i.beforeBind && i.mesh.onBeforeBindObservable.remove(i.beforeBind),
                        i.afterRender && i.mesh.onAfterRenderObservable.remove(i.afterRender))
                    }
                    this._excludedMeshes = null
                }
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "HighlightLayer"
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                if (e.customType = "BABYLON.HighlightLayer",
                e.meshes = [],
                this._meshes)
                    for (var t in this._meshes) {
                        var i = this._meshes[t];
                        i && e.meshes.push({
                            glowEmissiveOnly: i.glowEmissiveOnly,
                            color: i.color.asArray(),
                            meshId: i.mesh.id
                        })
                    }
                if (e.excludedMeshes = [],
                this._excludedMeshes)
                    for (var n in this._excludedMeshes) {
                        var r = this._excludedMeshes[n];
                        r && e.excludedMeshes.push(r.mesh.id)
                    }
                return e
            }
            ,
            t.Parse = function(e, i, n) {
                var r, o = Ge.Parse((function() {
                    return new t(e.name,i,e.options)
                }
                ), e, i, n);
                for (r = 0; r < e.excludedMeshes.length; r++)
                    (a = i.getMeshById(e.excludedMeshes[r])) && o.addExcludedMesh(a);
                for (r = 0; r < e.meshes.length; r++) {
                    var a, s = e.meshes[r];
                    (a = i.getMeshById(s.meshId)) && o.addMesh(a, D.FromArray(s.color), s.glowEmissiveOnly)
                }
                return o
            }
            ,
            t.EffectName = "HighlightLayer",
            t.NeutralColor = new N(0,0,0,0),
            t.GlowingMeshStencilReference = 2,
            t.NormalMeshStencilReference = 1,
            k([Ce()], t.prototype, "innerGlow", void 0),
            k([Ce()], t.prototype, "outerGlow", void 0),
            k([Ce()], t.prototype, "blurHorizontalSize", null),
            k([Ce()], t.prototype, "blurVerticalSize", null),
            k([Ce("options")], t.prototype, "_options", void 0),
            t
        }(Kf);
        y("BABYLON.HighlightLayer", Jf);
        var $f = function() {
            function e(e) {
                this.name = Wi.NAME_LAYER,
                this.scene = e || E.LastCreatedScene,
                this.scene && (this._engine = this.scene.getEngine(),
                this.scene.layers = new Array)
            }
            return e.prototype.register = function() {
                this.scene._beforeCameraDrawStage.registerStep(Wi.STEP_BEFORECAMERADRAW_LAYER, this, this._drawCameraBackground),
                this.scene._afterCameraDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_LAYER, this, this._drawCameraForeground),
                this.scene._beforeRenderTargetDrawStage.registerStep(Wi.STEP_BEFORERENDERTARGETDRAW_LAYER, this, this._drawRenderTargetBackground),
                this.scene._afterRenderTargetDrawStage.registerStep(Wi.STEP_AFTERRENDERTARGETDRAW_LAYER, this, this._drawRenderTargetForeground)
            }
            ,
            e.prototype.rebuild = function() {
                for (var e = 0, t = this.scene.layers; e < t.length; e++)
                    t[e]._rebuild()
            }
            ,
            e.prototype.dispose = function() {
                for (var e = this.scene.layers; e.length; )
                    e[0].dispose()
            }
            ,
            e.prototype._draw = function(e) {
                var t = this.scene.layers;
                if (t.length) {
                    this._engine.setDepthBuffer(!1);
                    for (var i = 0, n = t; i < n.length; i++) {
                        var r = n[i];
                        e(r) && r.render()
                    }
                    this._engine.setDepthBuffer(!0)
                }
            }
            ,
            e.prototype._drawCameraPredicate = function(e, t, i) {
                return !e.renderOnlyInRenderTargetTextures && e.isBackground === t && 0 != (e.layerMask & i)
            }
            ,
            e.prototype._drawCameraBackground = function(e) {
                var t = this;
                this._draw((function(i) {
                    return t._drawCameraPredicate(i, !0, e.layerMask)
                }
                ))
            }
            ,
            e.prototype._drawCameraForeground = function(e) {
                var t = this;
                this._draw((function(i) {
                    return t._drawCameraPredicate(i, !1, e.layerMask)
                }
                ))
            }
            ,
            e.prototype._drawRenderTargetPredicate = function(e, t, i, n) {
                return e.renderTargetTextures.length > 0 && e.isBackground === t && e.renderTargetTextures.indexOf(n) > -1 && 0 != (e.layerMask & i)
            }
            ,
            e.prototype._drawRenderTargetBackground = function(e) {
                var t = this;
                this._draw((function(i) {
                    return t._drawRenderTargetPredicate(i, !0, t.scene.activeCamera.layerMask, e)
                }
                ))
            }
            ,
            e.prototype._drawRenderTargetForeground = function(e) {
                var t = this;
                this._draw((function(i) {
                    return t._drawRenderTargetPredicate(i, !1, t.scene.activeCamera.layerMask, e)
                }
                ))
            }
            ,
            e.prototype.addFromContainer = function(e) {
                var t = this;
                e.layers && e.layers.forEach((function(e) {
                    t.scene.layers.push(e)
                }
                ))
            }
            ,
            e.prototype.removeFromContainer = function(e, t) {
                var i = this;
                void 0 === t && (t = !1),
                e.layers && e.layers.forEach((function(e) {
                    var n = i.scene.layers.indexOf(e);
                    -1 !== n && i.scene.layers.splice(n, 1),
                    t && e.dispose()
                }
                ))
            }
            ,
            e
        }();
        Pt.ShadersStore.layerPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec4 color;\n#include<helperFunctions>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec4 baseColor=texture2D(textureSampler,vUV);\n#ifdef LINEAR\nbaseColor.rgb=toGammaSpace(baseColor.rgb);\n#endif\n#ifdef ALPHATEST\nif (baseColor.a<0.4)\ndiscard;\n#endif\ngl_FragColor=baseColor*color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.layerVertexShader = "attribute vec2 position;\nuniform vec2 scale;\nuniform vec2 offset;\nuniform mat4 textureMatrix;\nvarying vec2 vUV;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec2 shiftedPosition=position*scale+offset;\nvUV=vec2(textureMatrix*vec4(shiftedPosition*madd+madd,1.0,0.0));\ngl_Position=vec4(shiftedPosition,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var e_ = function() {
            function e(e, t, i, n, r) {
                this.name = e,
                this.scale = new A(1,1),
                this.offset = new A(0,0),
                this.alphaBlendingMode = a.ALPHA_COMBINE,
                this.layerMask = 268435455,
                this.renderTargetTextures = [],
                this.renderOnlyInRenderTargetTextures = !1,
                this.isEnabled = !0,
                this._vertexBuffers = {},
                this.onDisposeObservable = new h,
                this.onBeforeRenderObservable = new h,
                this.onAfterRenderObservable = new h,
                this.texture = t ? new io(t,i,!0) : null,
                this.isBackground = void 0 === n || n,
                this.color = void 0 === r ? new N(1,1,1,1) : r,
                this._scene = i || E.LastCreatedScene;
                var o = this._scene._getComponent(Wi.NAME_LAYER);
                o || (o = new $f(this._scene),
                this._scene._addComponent(o)),
                this._scene.layers.push(this);
                var s = this._scene.getEngine();
                this._drawWrapper = new Gt(s);
                var l = [];
                l.push(1, 1),
                l.push(-1, 1),
                l.push(-1, -1),
                l.push(1, -1);
                var c = new Bi(s,l,Bi.PositionKind,!1,!1,2);
                this._vertexBuffers[Bi.PositionKind] = c,
                this._createIndexBuffer()
            }
            return Object.defineProperty(e.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onBeforeRender", {
                set: function(e) {
                    this._onBeforeRenderObserver && this.onBeforeRenderObservable.remove(this._onBeforeRenderObserver),
                    this._onBeforeRenderObserver = this.onBeforeRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "onAfterRender", {
                set: function(e) {
                    this._onAfterRenderObserver && this.onAfterRenderObservable.remove(this._onAfterRenderObserver),
                    this._onAfterRenderObserver = this.onAfterRenderObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createIndexBuffer = function() {
                var e = this._scene.getEngine()
                  , t = [];
                t.push(0),
                t.push(1),
                t.push(2),
                t.push(0),
                t.push(2),
                t.push(3),
                this._indexBuffer = e.createIndexBuffer(t)
            }
            ,
            e.prototype._rebuild = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && e._rebuild(),
                this._createIndexBuffer()
            }
            ,
            e.prototype.render = function() {
                if (this.isEnabled) {
                    var e = this._scene.getEngine()
                      , t = "";
                    this.alphaTest && (t = "#define ALPHATEST"),
                    this.texture && !this.texture.gammaSpace && (t += "\r\n#define LINEAR"),
                    this._previousDefines !== t && (this._previousDefines = t,
                    this._drawWrapper.effect = e.createEffect("layer", [Bi.PositionKind], ["textureMatrix", "color", "scale", "offset"], ["textureSampler"], t));
                    var i = this._drawWrapper.effect;
                    i && i.isReady() && this.texture && this.texture.isReady() && (this.onBeforeRenderObservable.notifyObservers(this),
                    e.enableEffect(this._drawWrapper),
                    e.setState(!1),
                    i.setTexture("textureSampler", this.texture),
                    i.setMatrix("textureMatrix", this.texture.getTextureMatrix()),
                    i.setFloat4("color", this.color.r, this.color.g, this.color.b, this.color.a),
                    i.setVector2("offset", this.offset),
                    i.setVector2("scale", this.scale),
                    e.bindBuffers(this._vertexBuffers, this._indexBuffer, i),
                    this.alphaTest ? e.drawElementsType(Or.TriangleFillMode, 0, 6) : (e.setAlphaMode(this.alphaBlendingMode),
                    e.drawElementsType(Or.TriangleFillMode, 0, 6),
                    e.setAlphaMode(a.ALPHA_DISABLE)),
                    this.onAfterRenderObservable.notifyObservers(this))
                }
            }
            ,
            e.prototype.dispose = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && (e.dispose(),
                this._vertexBuffers[Bi.PositionKind] = null),
                this._indexBuffer && (this._scene.getEngine()._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null),
                this.texture && (this.texture.dispose(),
                this.texture = null),
                this.renderTargetTextures = [];
                var t = this._scene.layers.indexOf(this);
                this._scene.layers.splice(t, 1),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this.onAfterRenderObservable.clear(),
                this.onBeforeRenderObservable.clear()
            }
            ,
            e
        }()
          , t_ = function() {
            function e(e, t, i, n, r) {
                this.size = e,
                this.position = t,
                this.alphaMode = a.ALPHA_ONEONE,
                this.color = i || new D(1,1,1),
                this.texture = n ? new io(n,r.getScene(),!0) : null,
                this._system = r;
                var o = r.scene.getEngine();
                this._drawWrapper = new Gt(o),
                this._drawWrapper.effect = o.createEffect("lensFlare", [Bi.PositionKind], ["color", "viewportMatrix"], ["textureSampler"], ""),
                r.lensFlares.push(this)
            }
            return e.AddFlare = function(t, i, n, r, o) {
                return new e(t,i,n,r,o)
            }
            ,
            e.prototype.dispose = function() {
                this.texture && this.texture.dispose();
                var e = this._system.lensFlares.indexOf(this);
                this._system.lensFlares.splice(e, 1)
            }
            ,
            e
        }();
        Pt.ShadersStore.lensFlarePixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec4 color;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec4 baseColor=texture2D(textureSampler,vUV);\ngl_FragColor=baseColor*color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.lensFlareVertexShader = "attribute vec2 position;\nuniform mat4 viewportMatrix;\nvarying vec2 vUV;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvUV=position*madd+madd;\ngl_Position=viewportMatrix*vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var i_ = function() {
            function e(t, i, n) {
                this.name = t,
                this.lensFlares = new Array,
                this.borderLimit = 300,
                this.viewportBorder = 0,
                this.layerMask = 268435455,
                this._vertexBuffers = {},
                this._isEnabled = !0,
                this._scene = n || E.LastCreatedScene,
                e._SceneComponentInitialization(this._scene),
                this._emitter = i,
                this.id = t,
                n.lensFlareSystems.push(this),
                this.meshesSelectionPredicate = function(e) {
                    return n.activeCamera && e.material && e.isVisible && e.isEnabled() && e.isBlocker && 0 != (e.layerMask & n.activeCamera.layerMask)
                }
                ;
                var r = n.getEngine()
                  , o = [];
                o.push(1, 1),
                o.push(-1, 1),
                o.push(-1, -1),
                o.push(1, -1),
                this._vertexBuffers[Bi.PositionKind] = new Bi(r,o,Bi.PositionKind,!1,!1,2),
                this._createIndexBuffer()
            }
            return Object.defineProperty(e.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createIndexBuffer = function() {
                var e = [];
                e.push(0),
                e.push(1),
                e.push(2),
                e.push(0),
                e.push(2),
                e.push(3),
                this._indexBuffer = this._scene.getEngine().createIndexBuffer(e)
            }
            ,
            Object.defineProperty(e.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            e.prototype.getEmitter = function() {
                return this._emitter
            }
            ,
            e.prototype.setEmitter = function(e) {
                this._emitter = e
            }
            ,
            e.prototype.getEmitterPosition = function() {
                return this._emitter.getAbsolutePosition ? this._emitter.getAbsolutePosition() : this._emitter.position
            }
            ,
            e.prototype.computeEffectivePosition = function(e) {
                var t = this.getEmitterPosition();
                t = x.Project(t, P.Identity(), this._scene.getTransformMatrix(), e),
                this._positionX = t.x,
                this._positionY = t.y,
                t = x.TransformCoordinates(this.getEmitterPosition(), this._scene.getViewMatrix()),
                this.viewportBorder > 0 && (e.x -= this.viewportBorder,
                e.y -= this.viewportBorder,
                e.width += 2 * this.viewportBorder,
                e.height += 2 * this.viewportBorder,
                t.x += this.viewportBorder,
                t.y += this.viewportBorder,
                this._positionX += this.viewportBorder,
                this._positionY += this.viewportBorder);
                var i = this._scene.useRightHandedSystem;
                return !!(t.z > 0 && !i || t.z < 0 && i) && (this._positionX > e.x && this._positionX < e.x + e.width && this._positionY > e.y && (this._positionY,
                e.y,
                e.height),
                !0)
            }
            ,
            e.prototype._isVisible = function() {
                if (!this._isEnabled || !this._scene.activeCamera)
                    return !1;
                var e = this.getEmitterPosition().subtract(this._scene.activeCamera.globalPosition)
                  , t = e.length();
                e.normalize();
                var i = new _o(this._scene.activeCamera.globalPosition,e)
                  , n = this._scene.pickWithRay(i, this.meshesSelectionPredicate, !0);
                return !n || !n.hit || n.distance > t
            }
            ,
            e.prototype.render = function() {
                if (!this._scene.activeCamera)
                    return !1;
                var e, t, i = this._scene.getEngine(), n = this._scene.activeCamera.viewport.toGlobal(i.getRenderWidth(!0), i.getRenderHeight(!0));
                if (!this.computeEffectivePosition(n))
                    return !1;
                if (!this._isVisible())
                    return !1;
                var r = (e = this._positionX < this.borderLimit + n.x ? this.borderLimit + n.x - this._positionX : this._positionX > n.x + n.width - this.borderLimit ? this._positionX - n.x - n.width + this.borderLimit : 0) > (t = this._positionY < this.borderLimit + n.y ? this.borderLimit + n.y - this._positionY : this._positionY > n.y + n.height - this.borderLimit ? this._positionY - n.y - n.height + this.borderLimit : 0) ? e : t;
                (r -= this.viewportBorder) > this.borderLimit && (r = this.borderLimit);
                var o = 1 - d.Clamp(r / this.borderLimit, 0, 1);
                if (o < 0)
                    return !1;
                o > 1 && (o = 1),
                this.viewportBorder > 0 && (n.x += this.viewportBorder,
                n.y += this.viewportBorder,
                n.width -= 2 * this.viewportBorder,
                n.height -= 2 * this.viewportBorder,
                this._positionX -= this.viewportBorder,
                this._positionY -= this.viewportBorder);
                var s = n.x + n.width / 2
                  , l = n.y + n.height / 2
                  , c = s - this._positionX
                  , u = l - this._positionY;
                i.setState(!1),
                i.setDepthBuffer(!1);
                for (var h = 0; h < this.lensFlares.length; h++) {
                    var p = this.lensFlares[h];
                    if (p._drawWrapper.effect.isReady() && (!p.texture || p.texture.isReady())) {
                        i.enableEffect(p._drawWrapper),
                        i.bindBuffers(this._vertexBuffers, this._indexBuffer, p._drawWrapper.effect),
                        i.setAlphaMode(p.alphaMode);
                        var f = s - c * p.position
                          , _ = l - u * p.position
                          , m = p.size
                          , g = p.size * i.getAspectRatio(this._scene.activeCamera, !0)
                          , v = f / (n.width + 2 * n.x) * 2 - 1
                          , y = 1 - _ / (n.height + 2 * n.y) * 2
                          , b = P.FromValues(m / 2, 0, 0, 0, 0, g / 2, 0, 0, 0, 0, 1, 0, v, y, 0, 1);
                        p._drawWrapper.effect.setMatrix("viewportMatrix", b),
                        p._drawWrapper.effect.setTexture("textureSampler", p.texture),
                        p._drawWrapper.effect.setFloat4("color", p.color.r * o, p.color.g * o, p.color.b * o, 1),
                        i.drawElementsType(Or.TriangleFillMode, 0, 6)
                    }
                }
                return i.setDepthBuffer(!0),
                i.setAlphaMode(a.ALPHA_DISABLE),
                !0
            }
            ,
            e.prototype.rebuild = function() {
                var e;
                for (var t in this._createIndexBuffer(),
                this._vertexBuffers)
                    null === (e = this._vertexBuffers[t]) || void 0 === e || e._rebuild()
            }
            ,
            e.prototype.dispose = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                for (e && (e.dispose(),
                this._vertexBuffers[Bi.PositionKind] = null),
                this._indexBuffer && (this._scene.getEngine()._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null); this.lensFlares.length; )
                    this.lensFlares[0].dispose();
                var t = this._scene.lensFlareSystems.indexOf(this);
                this._scene.lensFlareSystems.splice(t, 1)
            }
            ,
            e.Parse = function(t, i, n) {
                var r = i.getLastEntryById(t.emitterId)
                  , o = t.name || "lensFlareSystem#" + t.emitterId
                  , a = new e(o,r,i);
                a.id = t.id || o,
                a.borderLimit = t.borderLimit;
                for (var s = 0; s < t.flares.length; s++) {
                    var l = t.flares[s];
                    t_.AddFlare(l.size, l.position, D.FromArray(l.color), l.textureName ? n + l.textureName : "", a)
                }
                return a
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                e.id = this.id,
                e.name = this.name,
                e.emitterId = this.getEmitter().id,
                e.borderLimit = this.borderLimit,
                e.flares = [];
                for (var t = 0; t < this.lensFlares.length; t++) {
                    var i = this.lensFlares[t];
                    e.flares.push({
                        size: i.size,
                        position: i.position,
                        color: i.color.asArray(),
                        textureName: gi.GetFilename(i.texture ? i.texture.name : "")
                    })
                }
                return e
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("LensFlareSystemSceneComponent")
            }
            ,
            e
        }();
        o.AddParser(Wi.NAME_LENSFLARESYSTEM, (function(e, t, i, n) {
            if (void 0 !== e.lensFlareSystems && null !== e.lensFlareSystems) {
                i.lensFlareSystems || (i.lensFlareSystems = new Array);
                for (var r = 0, o = e.lensFlareSystems.length; r < o; r++) {
                    var a = e.lensFlareSystems[r]
                      , s = i_.Parse(a, t, n);
                    i.lensFlareSystems.push(s)
                }
            }
        }
        )),
        o.prototype.getLensFlareSystemByName = function(e) {
            for (var t = 0; t < this.lensFlareSystems.length; t++)
                if (this.lensFlareSystems[t].name === e)
                    return this.lensFlareSystems[t];
            return null
        }
        ,
        o.prototype.getLensFlareSystemById = function(e) {
            for (var t = 0; t < this.lensFlareSystems.length; t++)
                if (this.lensFlareSystems[t].id === e)
                    return this.lensFlareSystems[t];
            return null
        }
        ,
        o.prototype.getLensFlareSystemByID = function(e) {
            return this.getLensFlareSystemById(e)
        }
        ,
        o.prototype.removeLensFlareSystem = function(e) {
            var t = this.lensFlareSystems.indexOf(e);
            return -1 !== t && this.lensFlareSystems.splice(t, 1),
            t
        }
        ,
        o.prototype.addLensFlareSystem = function(e) {
            this.lensFlareSystems.push(e)
        }
        ;
        var n_ = function() {
            function e(e) {
                this.name = Wi.NAME_LENSFLARESYSTEM,
                this.scene = e,
                e.lensFlareSystems = new Array
            }
            return e.prototype.register = function() {
                this.scene._afterCameraDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_LENSFLARESYSTEM, this, this._draw)
            }
            ,
            e.prototype.rebuild = function() {
                for (var e = 0; e < this.scene.lensFlareSystems.length; e++)
                    this.scene.lensFlareSystems[e].rebuild()
            }
            ,
            e.prototype.addFromContainer = function(e) {
                var t = this;
                e.lensFlareSystems && e.lensFlareSystems.forEach((function(e) {
                    t.scene.addLensFlareSystem(e)
                }
                ))
            }
            ,
            e.prototype.removeFromContainer = function(e, t) {
                var i = this;
                e.lensFlareSystems && e.lensFlareSystems.forEach((function(e) {
                    i.scene.removeLensFlareSystem(e),
                    t && e.dispose()
                }
                ))
            }
            ,
            e.prototype.serialize = function(e) {
                e.lensFlareSystems = [];
                for (var t = 0, i = this.scene.lensFlareSystems; t < i.length; t++) {
                    var n = i[t];
                    e.lensFlareSystems.push(n.serialize())
                }
            }
            ,
            e.prototype.dispose = function() {
                for (var e = this.scene.lensFlareSystems; e.length; )
                    e[0].dispose()
            }
            ,
            e.prototype._draw = function(e) {
                if (this.scene.lensFlaresEnabled) {
                    var t = this.scene.lensFlareSystems;
                    gi.StartPerformanceCounter("Lens flares", t.length > 0);
                    for (var i = 0, n = t; i < n.length; i++) {
                        var r = n[i];
                        0 != (e.layerMask & r.layerMask) && r.render()
                    }
                    gi.EndPerformanceCounter("Lens flares", t.length > 0)
                }
            }
            ,
            e
        }();
        i_._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_LENSFLARESYSTEM);
            t || (t = new n_(e),
            e._addComponent(t))
        }
        ;
        Pt.IncludesShadersStore.bayerDitherFunctions = "float bayerDither2(vec2 _P) {\nreturn mod(2.0*_P.y+_P.x+1.0,4.0);\n}\nfloat bayerDither4(vec2 _P) {\nvec2 P1=mod(_P,2.0); \nvec2 P2=floor(0.5*mod(_P,4.0)); \nreturn 4.0*bayerDither2(P1)+bayerDither2(P2);\n}\nfloat bayerDither8(vec2 _P) {\nvec2 P1=mod(_P,2.0); \nvec2 P2=floor(0.5 *mod(_P,4.0)); \nvec2 P4=floor(0.25*mod(_P,8.0)); \nreturn 4.0*(4.0*bayerDither2(P1)+bayerDither2(P2))+bayerDither2(P4);\n}\n";
        Pt.IncludesShadersStore.shadowMapFragmentExtraDeclaration = "#if SM_FLOAT==0\n#include<packingFunctions>\n#endif\n#if SM_SOFTTRANSPARENTSHADOW==1\n#include<bayerDitherFunctions>\nuniform float softTransparentShadowSM;\n#endif\nvarying float vDepthMetricSM;\n#if SM_USEDISTANCE==1\nuniform vec3 lightDataSM;\nvarying vec3 vPositionWSM;\n#endif\nuniform vec3 biasAndScaleSM;\nuniform vec2 depthValuesSM;\n#if defined(SM_DEPTHCLAMP) && SM_DEPTHCLAMP==1\nvarying float zSM;\n#endif\n";
        Pt.IncludesShadersStore.shadowMapFragment = "float depthSM=vDepthMetricSM;\n#if defined(SM_DEPTHCLAMP) && SM_DEPTHCLAMP==1\n#if SM_USEDISTANCE==1\ndepthSM=(length(vPositionWSM-lightDataSM)+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#else\n#ifdef USE_REVERSE_DEPTHBUFFER\ndepthSM=(-zSM+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#else\ndepthSM=(zSM+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#endif\n#endif\n#ifdef USE_REVERSE_DEPTHBUFFER\ngl_FragDepth=clamp(1.0-depthSM,0.0,1.0);\n#else\ngl_FragDepth=clamp(depthSM,0.0,1.0); \n#endif\n#elif SM_USEDISTANCE==1\ndepthSM=(length(vPositionWSM-lightDataSM)+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#endif\n#if SM_ESM==1\ndepthSM=clamp(exp(-min(87.,biasAndScaleSM.z*depthSM)),0.,1.);\n#endif\n#if SM_FLOAT==1\ngl_FragColor=vec4(depthSM,1.0,1.0,1.0);\n#else\ngl_FragColor=pack(depthSM);\n#endif\nreturn;";
        Pt.ShadersStore.shadowMapPixelShader = "#include<shadowMapFragmentExtraDeclaration>\n#ifdef ALPHATEST\nvarying vec2 vUV;\nuniform sampler2D diffuseSampler;\n#endif\n#include<clipPlaneFragmentDeclaration>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\n#include<clipPlaneFragment>\n#ifdef ALPHATEST\nfloat alphaFromAlphaTexture=texture2D(diffuseSampler,vUV).a;\nif (alphaFromAlphaTexture<0.4)\ndiscard;\n#endif\n#if SM_SOFTTRANSPARENTSHADOW==1\n#ifdef ALPHATEST\nif ((bayerDither8(floor(mod(gl_FragCoord.xy,8.0))))/64.0>=softTransparentShadowSM*alphaFromAlphaTexture) discard;\n#else\nif ((bayerDither8(floor(mod(gl_FragCoord.xy,8.0))))/64.0>=softTransparentShadowSM) discard;\n#endif\n#endif\n#include<shadowMapFragment>\n}";
        Pt.IncludesShadersStore.sceneVertexDeclaration = "uniform mat4 viewProjection;\n#ifdef MULTIVIEW\nuniform mat4 viewProjectionR;\n#endif\nuniform mat4 view;\nuniform mat4 projection;\nuniform vec4 vEyePosition;\n";
        Pt.IncludesShadersStore.meshVertexDeclaration = "uniform mat4 world;\nuniform float visibility;\n";
        Pt.IncludesShadersStore.shadowMapVertexDeclaration = "#include<sceneVertexDeclaration>\n#include<meshVertexDeclaration>\n";
        Pt.IncludesShadersStore.shadowMapUboDeclaration = "layout(std140,column_major) uniform;\n#include<sceneUboDeclaration>\n#include<meshUboDeclaration>\n";
        Pt.IncludesShadersStore.shadowMapVertexExtraDeclaration = "#if SM_NORMALBIAS==1\nuniform vec3 lightDataSM;\n#endif\nuniform vec3 biasAndScaleSM;\nuniform vec2 depthValuesSM;\nvarying float vDepthMetricSM;\n#if SM_USEDISTANCE==1\nvarying vec3 vPositionWSM;\n#endif\n#if defined(SM_DEPTHCLAMP) && SM_DEPTHCLAMP==1\nvarying float zSM;\n#endif\n";
        Pt.IncludesShadersStore.shadowMapVertexNormalBias = "#if SM_NORMALBIAS==1\n#if SM_DIRECTIONINLIGHTDATA==1\nvec3 worldLightDirSM=normalize(-lightDataSM.xyz);\n#else\nvec3 directionToLightSM=lightDataSM.xyz-worldPos.xyz;\nvec3 worldLightDirSM=normalize(directionToLightSM);\n#endif\nfloat ndlSM=dot(vNormalW,worldLightDirSM);\nfloat sinNLSM=sqrt(1.0-ndlSM*ndlSM);\nfloat normalBiasSM=biasAndScaleSM.y*sinNLSM;\nworldPos.xyz-=vNormalW*normalBiasSM;\n#endif\n";
        Pt.IncludesShadersStore.shadowMapVertexMetric = "#if SM_USEDISTANCE==1\nvPositionWSM=worldPos.xyz;\n#endif\n#if SM_DEPTHTEXTURE==1\n#ifdef IS_NDC_HALF_ZRANGE\n#define BIASFACTOR 0.5\n#else\n#define BIASFACTOR 1.0\n#endif\n#ifdef USE_REVERSE_DEPTHBUFFER\ngl_Position.z-=biasAndScaleSM.x*gl_Position.w*BIASFACTOR;\n#else\ngl_Position.z+=biasAndScaleSM.x*gl_Position.w*BIASFACTOR;\n#endif\n#endif\n#if defined(SM_DEPTHCLAMP) && SM_DEPTHCLAMP==1\nzSM=gl_Position.z;\ngl_Position.z=0.0;\n#elif SM_USEDISTANCE==0\n#ifdef USE_REVERSE_DEPTHBUFFER\nvDepthMetricSM=(-gl_Position.z+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#else\nvDepthMetricSM=(gl_Position.z+depthValuesSM.x)/depthValuesSM.y+biasAndScaleSM.x;\n#endif\n#endif\n";
        Pt.ShadersStore.shadowMapVertexShader = "attribute vec3 position;\n#ifdef NORMAL\nattribute vec3 normal;\n#endif\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#ifdef INSTANCES\nattribute vec4 world0;\nattribute vec4 world1;\nattribute vec4 world2;\nattribute vec4 world3;\n#endif\n#include<helperFunctions>\n#include<__decl__shadowMapVertex>\n#ifdef ALPHATEST\nvarying vec2 vUV;\nuniform mat4 diffuseMatrix;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#endif\n#include<shadowMapVertexExtraDeclaration>\n#include<clipPlaneVertexDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#ifdef NORMAL\nvec3 normalUpdated=normal;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 worldPos=finalWorld*vec4(positionUpdated,1.0);\n#ifdef NORMAL\nmat3 normWorldSM=mat3(finalWorld);\n#if defined(INSTANCES) && defined(THIN_INSTANCES)\nvec3 vNormalW=normalUpdated/vec3(dot(normWorldSM[0],normWorldSM[0]),dot(normWorldSM[1],normWorldSM[1]),dot(normWorldSM[2],normWorldSM[2]));\nvNormalW=normalize(normWorldSM*vNormalW);\n#else\n#ifdef NONUNIFORMSCALING\nnormWorldSM=transposeMat3(inverseMat3(normWorldSM));\n#endif\nvec3 vNormalW=normalize(normWorldSM*normalUpdated);\n#endif\n#endif\n#include<shadowMapVertexNormalBias>\ngl_Position=viewProjection*worldPos;\n#include<shadowMapVertexMetric>\n#ifdef ALPHATEST\n#ifdef UV1\nvUV=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef UV2\nvUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#include<clipPlaneVertex>\n}";
        Pt.ShadersStore.depthBoxBlurPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec2 screenSize;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 colorDepth=vec4(0.0);\nfor (int x=-OFFSET; x<=OFFSET; x++)\nfor (int y=-OFFSET; y<=OFFSET; y++)\ncolorDepth+=texture2D(textureSampler,vUV+vec2(x,y)/screenSize);\ngl_FragColor=(colorDepth/float((OFFSET*2+1)*(OFFSET*2+1)));\n}";
        Pt.IncludesShadersStore.shadowMapFragmentSoftTransparentShadow = "#if SM_SOFTTRANSPARENTSHADOW==1\nif ((bayerDither8(floor(mod(gl_FragCoord.xy,8.0))))/64.0>=softTransparentShadowSM*alpha) discard;\n#endif\n";
        var r_ = function() {
            function e(t, i, n) {
                this.onBeforeShadowMapRenderObservable = new h,
                this.onAfterShadowMapRenderObservable = new h,
                this.onBeforeShadowMapRenderMeshObservable = new h,
                this.onAfterShadowMapRenderMeshObservable = new h,
                this._bias = 5e-5,
                this._normalBias = 0,
                this._blurBoxOffset = 1,
                this._blurScale = 2,
                this._blurKernel = 1,
                this._useKernelBlur = !1,
                this._filter = e.FILTER_NONE,
                this._filteringQuality = e.QUALITY_HIGH,
                this._contactHardeningLightSizeUVRatio = .1,
                this._darkness = 0,
                this._transparencyShadow = !1,
                this.enableSoftTransparentShadow = !1,
                this.frustumEdgeFalloff = 0,
                this.forceBackFacesOnly = !1,
                this._lightDirection = x.Zero(),
                this._viewMatrix = P.Zero(),
                this._projectionMatrix = P.Zero(),
                this._transformMatrix = P.Zero(),
                this._cachedPosition = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._cachedDirection = new x(Number.MAX_VALUE,Number.MAX_VALUE,Number.MAX_VALUE),
                this._currentFaceIndex = 0,
                this._currentFaceIndexCache = 0,
                this._defaultTextureMatrix = P.Identity(),
                this._mapSize = t,
                this._light = i,
                this._scene = i.getScene(),
                i._shadowGenerator = this,
                this.id = i.id,
                this._useUBO = this._scene.getEngine().supportsUniformBuffers,
                this._useUBO && (this._sceneUBOs = [],
                this._sceneUBOs.push(this._scene.createSceneUniformBuffer('Scene for Shadow Generator (light "'.concat(this._light.name, '")')))),
                e._SceneComponentInitialization(this._scene);
                var r = this._scene.getEngine().getCaps();
                n ? r.textureFloatRender && r.textureFloatLinearFiltering ? this._textureType = a.TEXTURETYPE_FLOAT : r.textureHalfFloatRender && r.textureHalfFloatLinearFiltering ? this._textureType = a.TEXTURETYPE_HALF_FLOAT : this._textureType = a.TEXTURETYPE_UNSIGNED_INT : r.textureHalfFloatRender && r.textureHalfFloatLinearFiltering ? this._textureType = a.TEXTURETYPE_HALF_FLOAT : r.textureFloatRender && r.textureFloatLinearFiltering ? this._textureType = a.TEXTURETYPE_FLOAT : this._textureType = a.TEXTURETYPE_UNSIGNED_INT,
                this._initializeGenerator(),
                this._applyFilterValues()
            }
            return Object.defineProperty(e.prototype, "bias", {
                get: function() {
                    return this._bias
                },
                set: function(e) {
                    this._bias = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "normalBias", {
                get: function() {
                    return this._normalBias
                },
                set: function(e) {
                    this._normalBias = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "blurBoxOffset", {
                get: function() {
                    return this._blurBoxOffset
                },
                set: function(e) {
                    this._blurBoxOffset !== e && (this._blurBoxOffset = e,
                    this._disposeBlurPostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "blurScale", {
                get: function() {
                    return this._blurScale
                },
                set: function(e) {
                    this._blurScale !== e && (this._blurScale = e,
                    this._disposeBlurPostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "blurKernel", {
                get: function() {
                    return this._blurKernel
                },
                set: function(e) {
                    this._blurKernel !== e && (this._blurKernel = e,
                    this._disposeBlurPostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useKernelBlur", {
                get: function() {
                    return this._useKernelBlur
                },
                set: function(e) {
                    this._useKernelBlur !== e && (this._useKernelBlur = e,
                    this._disposeBlurPostProcesses())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthScale", {
                get: function() {
                    return void 0 !== this._depthScale ? this._depthScale : this._light.getDepthScale()
                },
                set: function(e) {
                    this._depthScale = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._validateFilter = function(e) {
                return e
            }
            ,
            Object.defineProperty(e.prototype, "filter", {
                get: function() {
                    return this._filter
                },
                set: function(t) {
                    if (t = this._validateFilter(t),
                    this._light.needCube()) {
                        if (t === e.FILTER_BLUREXPONENTIALSHADOWMAP)
                            return void (this.useExponentialShadowMap = !0);
                        if (t === e.FILTER_BLURCLOSEEXPONENTIALSHADOWMAP)
                            return void (this.useCloseExponentialShadowMap = !0);
                        if (t === e.FILTER_PCF || t === e.FILTER_PCSS)
                            return void (this.usePoissonSampling = !0)
                    }
                    t !== e.FILTER_PCF && t !== e.FILTER_PCSS || this._scene.getEngine()._features.supportShadowSamplers ? this._filter !== t && (this._filter = t,
                    this._disposeBlurPostProcesses(),
                    this._applyFilterValues(),
                    this._light._markMeshesAsLightDirty()) : this.usePoissonSampling = !0
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "usePoissonSampling", {
                get: function() {
                    return this.filter === e.FILTER_POISSONSAMPLING
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_POISSONSAMPLING);
                    (t || this.filter === e.FILTER_POISSONSAMPLING) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useExponentialShadowMap", {
                get: function() {
                    return this.filter === e.FILTER_EXPONENTIALSHADOWMAP
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_EXPONENTIALSHADOWMAP);
                    (t || this.filter === e.FILTER_EXPONENTIALSHADOWMAP) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useBlurExponentialShadowMap", {
                get: function() {
                    return this.filter === e.FILTER_BLUREXPONENTIALSHADOWMAP
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_BLUREXPONENTIALSHADOWMAP);
                    (t || this.filter === e.FILTER_BLUREXPONENTIALSHADOWMAP) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useCloseExponentialShadowMap", {
                get: function() {
                    return this.filter === e.FILTER_CLOSEEXPONENTIALSHADOWMAP
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_CLOSEEXPONENTIALSHADOWMAP);
                    (t || this.filter === e.FILTER_CLOSEEXPONENTIALSHADOWMAP) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useBlurCloseExponentialShadowMap", {
                get: function() {
                    return this.filter === e.FILTER_BLURCLOSEEXPONENTIALSHADOWMAP
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_BLURCLOSEEXPONENTIALSHADOWMAP);
                    (t || this.filter === e.FILTER_BLURCLOSEEXPONENTIALSHADOWMAP) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "usePercentageCloserFiltering", {
                get: function() {
                    return this.filter === e.FILTER_PCF
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_PCF);
                    (t || this.filter === e.FILTER_PCF) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "filteringQuality", {
                get: function() {
                    return this._filteringQuality
                },
                set: function(e) {
                    this._filteringQuality !== e && (this._filteringQuality = e,
                    this._disposeBlurPostProcesses(),
                    this._applyFilterValues(),
                    this._light._markMeshesAsLightDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useContactHardeningShadow", {
                get: function() {
                    return this.filter === e.FILTER_PCSS
                },
                set: function(t) {
                    var i = this._validateFilter(e.FILTER_PCSS);
                    (t || this.filter === e.FILTER_PCSS) && (this.filter = t ? i : e.FILTER_NONE)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "contactHardeningLightSizeUVRatio", {
                get: function() {
                    return this._contactHardeningLightSizeUVRatio
                },
                set: function(e) {
                    this._contactHardeningLightSizeUVRatio = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "darkness", {
                get: function() {
                    return this._darkness
                },
                set: function(e) {
                    this.setDarkness(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getDarkness = function() {
                return this._darkness
            }
            ,
            e.prototype.setDarkness = function(e) {
                return this._darkness = e >= 1 ? 1 : e <= 0 ? 0 : e,
                this
            }
            ,
            Object.defineProperty(e.prototype, "transparencyShadow", {
                get: function() {
                    return this._transparencyShadow
                },
                set: function(e) {
                    this.setTransparencyShadow(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setTransparencyShadow = function(e) {
                return this._transparencyShadow = e,
                this
            }
            ,
            e.prototype.getShadowMap = function() {
                return this._shadowMap
            }
            ,
            e.prototype.getShadowMapForRendering = function() {
                return this._shadowMap2 ? this._shadowMap2 : this._shadowMap
            }
            ,
            e.prototype.getClassName = function() {
                return e.CLASSNAME
            }
            ,
            e.prototype.addShadowCaster = function(e, t) {
                if (void 0 === t && (t = !0),
                !this._shadowMap)
                    return this;
                if (this._shadowMap.renderList || (this._shadowMap.renderList = []),
                -1 === this._shadowMap.renderList.indexOf(e) && this._shadowMap.renderList.push(e),
                t)
                    for (var i = 0, n = e.getChildMeshes(); i < n.length; i++) {
                        var r = n[i];
                        -1 === this._shadowMap.renderList.indexOf(r) && this._shadowMap.renderList.push(r)
                    }
                return this
            }
            ,
            e.prototype.removeShadowCaster = function(e, t) {
                if (void 0 === t && (t = !0),
                !this._shadowMap || !this._shadowMap.renderList)
                    return this;
                var i = this._shadowMap.renderList.indexOf(e);
                if (-1 !== i && this._shadowMap.renderList.splice(i, 1),
                t)
                    for (var n = 0, r = e.getChildren(); n < r.length; n++) {
                        var o = r[n];
                        this.removeShadowCaster(o)
                    }
                return this
            }
            ,
            e.prototype.getLight = function() {
                return this._light
            }
            ,
            Object.defineProperty(e.prototype, "mapSize", {
                get: function() {
                    return this._mapSize
                },
                set: function(e) {
                    this._mapSize = e,
                    this._light._markMeshesAsLightDirty(),
                    this.recreateShadowMap()
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._initializeGenerator = function() {
                this._light._markMeshesAsLightDirty(),
                this._initializeShadowMap()
            }
            ,
            e.prototype._createTargetRenderTexture = function() {
                var e = this._scene.getEngine();
                e._features.supportDepthStencilTexture ? (this._shadowMap = new ns(this._light.name + "_shadowMap",this._mapSize,this._scene,!1,!0,this._textureType,this._light.needCube(),void 0,!1,!1),
                this._shadowMap.createDepthStencilTexture(e.useReverseDepthBuffer ? a.GREATER : a.LESS, !0)) : this._shadowMap = new ns(this._light.name + "_shadowMap",this._mapSize,this._scene,!1,!0,this._textureType,this._light.needCube())
            }
            ,
            e.prototype._initializeShadowMap = function() {
                var t = this;
                if (this._createTargetRenderTexture(),
                null !== this._shadowMap) {
                    this._shadowMap.wrapU = io.CLAMP_ADDRESSMODE,
                    this._shadowMap.wrapV = io.CLAMP_ADDRESSMODE,
                    this._shadowMap.anisotropicFilteringLevel = 1,
                    this._shadowMap.updateSamplingMode(io.BILINEAR_SAMPLINGMODE),
                    this._shadowMap.renderParticles = !1,
                    this._shadowMap.ignoreCameraViewport = !0,
                    this._storedUniqueId && (this._shadowMap.uniqueId = this._storedUniqueId),
                    this._shadowMap.customRenderFunction = this._renderForShadowMap.bind(this),
                    this._shadowMap.customIsReadyFunction = function() {
                        return !0
                    }
                    ;
                    var i = this._scene.getEngine();
                    this._shadowMap.onBeforeBindObservable.add((function() {
                        var e;
                        t._currentSceneUBO = t._scene.getSceneUniformBuffer(),
                        null === (e = i._debugPushGroup) || void 0 === e || e.call(i, "shadow map generation for pass id ".concat(i.currentRenderPassId), 1)
                    }
                    )),
                    this._shadowMap.onBeforeRenderObservable.add((function(n) {
                        t._sceneUBOs && t._scene.setSceneUniformBuffer(t._sceneUBOs[0]),
                        t._currentFaceIndex = n,
                        t._filter === e.FILTER_PCF && i.setColorWrite(!1),
                        t.getTransformMatrix(),
                        t._scene.setTransformMatrix(t._viewMatrix, t._projectionMatrix),
                        t._useUBO && (t._scene.getSceneUniformBuffer().unbindEffect(),
                        t._scene.finalizeSceneUbo())
                    }
                    )),
                    this._shadowMap.onAfterUnbindObservable.add((function() {
                        var n, r;
                        if (t._sceneUBOs && t._scene.setSceneUniformBuffer(t._currentSceneUBO),
                        t._scene.updateTransformMatrix(),
                        t._filter === e.FILTER_PCF && i.setColorWrite(!0),
                        t.useBlurExponentialShadowMap || t.useBlurCloseExponentialShadowMap) {
                            var o = t.getShadowMapForRendering();
                            o && (t._scene.postProcessManager.directRender(t._blurPostProcesses, o.renderTarget, !0),
                            i.unBindFramebuffer(o.renderTarget, !0),
                            null === (r = i._debugPopGroup) || void 0 === r || r.call(i, 1))
                        } else
                            null === (n = i._debugPopGroup) || void 0 === n || n.call(i, 1)
                    }
                    ));
                    var n = new N(0,0,0,0)
                      , r = new N(1,1,1,1);
                    this._shadowMap.onClearObservable.add((function(i) {
                        t._filter === e.FILTER_PCF ? i.clear(r, !1, !0, !1) : t.useExponentialShadowMap || t.useBlurExponentialShadowMap ? i.clear(n, !0, !0, !1) : i.clear(r, !0, !0, !1)
                    }
                    )),
                    this._shadowMap.onResizeObservable.add((function(e) {
                        t._storedUniqueId = t._shadowMap.uniqueId,
                        t._mapSize = e.getRenderSize(),
                        t._light._markMeshesAsLightDirty(),
                        t.recreateShadowMap()
                    }
                    ));
                    for (var o = zi.MIN_RENDERINGGROUPS; o < zi.MAX_RENDERINGGROUPS; o++)
                        this._shadowMap.setRenderingAutoClearDepthStencil(o, !1)
                }
            }
            ,
            e.prototype._initializeBlurRTTAndPostProcesses = function() {
                var e = this
                  , t = this._scene.getEngine()
                  , i = this._mapSize / this.blurScale;
                this.useKernelBlur && 1 === this.blurScale || (this._shadowMap2 = new ns(this._light.name + "_shadowMap2",i,this._scene,!1,!0,this._textureType,void 0,void 0,!1),
                this._shadowMap2.wrapU = io.CLAMP_ADDRESSMODE,
                this._shadowMap2.wrapV = io.CLAMP_ADDRESSMODE,
                this._shadowMap2.updateSamplingMode(io.BILINEAR_SAMPLINGMODE)),
                this.useKernelBlur ? (this._kernelBlurXPostprocess = new Fd(this._light.name + "KernelBlurX",new A(1,0),this.blurKernel,1,null,io.BILINEAR_SAMPLINGMODE,t,!1,this._textureType),
                this._kernelBlurXPostprocess.width = i,
                this._kernelBlurXPostprocess.height = i,
                this._kernelBlurXPostprocess.externalTextureSamplerBinding = !0,
                this._kernelBlurXPostprocess.onApplyObservable.add((function(t) {
                    t.setTexture("textureSampler", e._shadowMap)
                }
                )),
                this._kernelBlurYPostprocess = new Fd(this._light.name + "KernelBlurY",new A(0,1),this.blurKernel,1,null,io.BILINEAR_SAMPLINGMODE,t,!1,this._textureType),
                this._kernelBlurXPostprocess.autoClear = !1,
                this._kernelBlurYPostprocess.autoClear = !1,
                this._textureType === a.TEXTURETYPE_UNSIGNED_INT && (this._kernelBlurXPostprocess.packedFloat = !0,
                this._kernelBlurYPostprocess.packedFloat = !0),
                this._blurPostProcesses = [this._kernelBlurXPostprocess, this._kernelBlurYPostprocess]) : (this._boxBlurPostprocess = new Ba(this._light.name + "DepthBoxBlur","depthBoxBlur",["screenSize", "boxOffset"],[],1,null,io.BILINEAR_SAMPLINGMODE,t,!1,"#define OFFSET " + this._blurBoxOffset,this._textureType),
                this._boxBlurPostprocess.externalTextureSamplerBinding = !0,
                this._boxBlurPostprocess.onApplyObservable.add((function(t) {
                    t.setFloat2("screenSize", i, i),
                    t.setTexture("textureSampler", e._shadowMap)
                }
                )),
                this._boxBlurPostprocess.autoClear = !1,
                this._blurPostProcesses = [this._boxBlurPostprocess])
            }
            ,
            e.prototype._renderForShadowMap = function(e, t, i, n) {
                var r;
                if (n.length)
                    for (r = 0; r < n.length; r++)
                        this._renderSubMeshForShadowMap(n.data[r]);
                for (r = 0; r < e.length; r++)
                    this._renderSubMeshForShadowMap(e.data[r]);
                for (r = 0; r < t.length; r++)
                    this._renderSubMeshForShadowMap(t.data[r]);
                if (this._transparencyShadow)
                    for (r = 0; r < i.length; r++)
                        this._renderSubMeshForShadowMap(i.data[r], !0);
                else
                    for (r = 0; r < i.length; r++)
                        i.data[r].getEffectiveMesh()._internalAbstractMeshDataInfo._isActiveIntermediate = !1
            }
            ,
            e.prototype._bindCustomEffectForRenderSubMeshForShadowMap = function(e, t, i) {
                t.setMatrix("viewProjection", this.getTransformMatrix())
            }
            ,
            e.prototype._renderSubMeshForShadowMap = function(e, t) {
                var i, n;
                void 0 === t && (t = !1);
                var r = e.getRenderingMesh()
                  , o = e.getEffectiveMesh()
                  , s = this._scene
                  , l = s.getEngine()
                  , c = e.getMaterial();
                if (o._internalAbstractMeshDataInfo._isActiveIntermediate = !1,
                c && 0 !== e.verticesCount && e._renderId !== s.getRenderId()) {
                    var u = o._getWorldMatrixDeterminant() < 0
                      , h = null !== (i = r.overrideMaterialSideOrientation) && void 0 !== i ? i : c.sideOrientation;
                    u && (h = h === a.MATERIAL_ClockWiseSideOrientation ? a.MATERIAL_CounterClockWiseSideOrientation : a.MATERIAL_ClockWiseSideOrientation);
                    var d = h === a.MATERIAL_ClockWiseSideOrientation;
                    l.setState(c.backFaceCulling, void 0, void 0, d, c.cullBackFaces);
                    var p = r._getInstancesRenderList(e._id, !!e.getReplacementMesh());
                    if (!p.mustReturn) {
                        var f = l.getCaps().instancedArrays && (null !== p.visibleInstances[e._id] && void 0 !== p.visibleInstances[e._id] || r.hasThinInstances);
                        if (!this.customAllowRendering || this.customAllowRendering(e))
                            if (this.isReady(e, f, t)) {
                                e._renderId = s.getRenderId();
                                var _ = c.shadowDepthWrapper
                                  , m = null !== (n = null == _ ? void 0 : _.getEffect(e, this, l.currentRenderPassId)) && void 0 !== n ? n : e._getDrawWrapper()
                                  , g = Gt.GetEffect(m);
                                if (l.enableEffect(m),
                                f || r._bind(e, g, c.fillMode),
                                this.getTransformMatrix(),
                                g.setFloat3("biasAndScaleSM", this.bias, this.normalBias, this.depthScale),
                                this.getLight().getTypeID() === Cr.LIGHTTYPEID_DIRECTIONALLIGHT ? g.setVector3("lightDataSM", this._cachedDirection) : g.setVector3("lightDataSM", this._cachedPosition),
                                s.activeCamera && g.setFloat2("depthValuesSM", this.getLight().getDepthMinZ(s.activeCamera), this.getLight().getDepthMinZ(s.activeCamera) + this.getLight().getDepthMaxZ(s.activeCamera)),
                                t && this.enableSoftTransparentShadow && g.setFloat("softTransparentShadowSM", o.visibility * c.alpha),
                                _)
                                    e._setMainDrawWrapperOverride(m),
                                    _.standalone ? _.baseMaterial.bindForSubMesh(o.getWorldMatrix(), r, e) : c.bindForSubMesh(o.getWorldMatrix(), r, e),
                                    e._setMainDrawWrapperOverride(null);
                                else {
                                    if (c && c.needAlphaTesting()) {
                                        var v = c.getAlphaTestTexture();
                                        v && (g.setTexture("diffuseSampler", v),
                                        g.setMatrix("diffuseMatrix", v.getTextureMatrix() || this._defaultTextureMatrix))
                                    }
                                    if (r.useBones && r.computeBonesUsingShaders && r.skeleton) {
                                        var y = r.skeleton;
                                        if (y.isUsingTextureForMatrices) {
                                            var b = y.getTransformMatrixTexture(r);
                                            if (!b)
                                                return;
                                            g.setTexture("boneSampler", b),
                                            g.setFloat("boneTextureWidth", 4 * (y.bones.length + 1))
                                        } else
                                            g.setMatrices("mBones", y.getTransformMatrices(r))
                                    }
                                    Mr.BindMorphTargetParameters(r, g),
                                    r.morphTargetManager && r.morphTargetManager.isUsingTextureForTargets && r.morphTargetManager._bind(g),
                                    Mr.BindClipPlane(g, s)
                                }
                                this._useUBO || _ || this._bindCustomEffectForRenderSubMeshForShadowMap(e, g, o),
                                Mr.BindSceneUniformBuffer(g, this._scene.getSceneUniformBuffer()),
                                this._scene.getSceneUniformBuffer().bindUniformBuffer();
                                var T = o.getWorldMatrix();
                                f && (o.getMeshUniformBuffer().bindToEffect(g, "Mesh"),
                                o.transferToEffect(T)),
                                this.forceBackFacesOnly && l.setState(!0, 0, !1, !0, c.cullBackFaces),
                                this.onBeforeShadowMapRenderMeshObservable.notifyObservers(r),
                                this.onBeforeShadowMapRenderObservable.notifyObservers(g),
                                r._processRendering(o, e, g, c.fillMode, p, f, (function(e, t) {
                                    o === r || e ? (o.getMeshUniformBuffer().bindToEffect(g, "Mesh"),
                                    o.transferToEffect(e ? t : T)) : (r.getMeshUniformBuffer().bindToEffect(g, "Mesh"),
                                    r.transferToEffect(t))
                                }
                                )),
                                this.forceBackFacesOnly && l.setState(!0, 0, !1, !1, c.cullBackFaces),
                                this.onAfterShadowMapRenderObservable.notifyObservers(g),
                                this.onAfterShadowMapRenderMeshObservable.notifyObservers(r)
                            } else
                                this._shadowMap && this._shadowMap.resetRefreshCounter()
                    }
                }
            }
            ,
            e.prototype._applyFilterValues = function() {
                this._shadowMap && (this.filter === e.FILTER_NONE || this.filter === e.FILTER_PCSS ? this._shadowMap.updateSamplingMode(io.NEAREST_SAMPLINGMODE) : this._shadowMap.updateSamplingMode(io.BILINEAR_SAMPLINGMODE))
            }
            ,
            e.prototype.forceCompilation = function(e, t) {
                var i = this
                  , n = V({
                    useInstances: !1
                }, t)
                  , r = this.getShadowMap();
                if (r) {
                    var o = r.renderList;
                    if (o) {
                        for (var a = new Array, s = 0, l = o; s < l.length; s++) {
                            var c = l[s];
                            a.push.apply(a, c.subMeshes)
                        }
                        if (0 !== a.length) {
                            var u = 0
                              , h = function() {
                                var t, r;
                                if (i._scene && i._scene.getEngine()) {
                                    for (; i.isReady(a[u], n.useInstances, null !== (r = null === (t = a[u].getMaterial()) || void 0 === t ? void 0 : t.needAlphaBlendingForMesh(a[u].getMesh())) && void 0 !== r && r); )
                                        if (++u >= a.length)
                                            return void (e && e(i));
                                    setTimeout(h, 16)
                                }
                            };
                            h()
                        } else
                            e && e(this)
                    } else
                        e && e(this)
                } else
                    e && e(this)
            }
            ,
            e.prototype.forceCompilationAsync = function(e) {
                var t = this;
                return new Promise((function(i) {
                    t.forceCompilation((function() {
                        i()
                    }
                    ), e)
                }
                ))
            }
            ,
            e.prototype._isReadyCustomDefines = function(e, t, i) {}
            ,
            e.prototype._prepareShadowDefines = function(e, t, i, n) {
                i.push("#define SM_FLOAT " + (this._textureType !== a.TEXTURETYPE_UNSIGNED_INT ? "1" : "0")),
                i.push("#define SM_ESM " + (this.useExponentialShadowMap || this.useBlurExponentialShadowMap ? "1" : "0")),
                i.push("#define SM_DEPTHTEXTURE " + (this.usePercentageCloserFiltering || this.useContactHardeningShadow ? "1" : "0"));
                var r = e.getMesh();
                return i.push("#define SM_NORMALBIAS " + (this.normalBias && r.isVerticesDataPresent(Bi.NormalKind) ? "1" : "0")),
                i.push("#define SM_DIRECTIONINLIGHTDATA " + (this.getLight().getTypeID() === Cr.LIGHTTYPEID_DIRECTIONALLIGHT ? "1" : "0")),
                i.push("#define SM_USEDISTANCE " + (this._light.needCube() ? "1" : "0")),
                i.push("#define SM_SOFTTRANSPARENTSHADOW " + (this.enableSoftTransparentShadow && n ? "1" : "0")),
                this._isReadyCustomDefines(i, e, t),
                i
            }
            ,
            e.prototype.isReady = function(e, t, i) {
                var n = e.getMaterial()
                  , r = null == n ? void 0 : n.shadowDepthWrapper
                  , o = [];
                if (this._prepareShadowDefines(e, t, o, i),
                r) {
                    if (!r.isReadyForSubMesh(e, o, this, t, this._scene.getEngine().currentRenderPassId))
                        return !1
                } else {
                    var a = e._getDrawWrapper(void 0, !0)
                      , s = a.effect
                      , l = a.defines
                      , c = [Bi.PositionKind]
                      , u = e.getMesh();
                    if (this.normalBias && u.isVerticesDataPresent(Bi.NormalKind) && (c.push(Bi.NormalKind),
                    o.push("#define NORMAL"),
                    u.nonUniformScaling && o.push("#define NONUNIFORMSCALING")),
                    n && n.needAlphaTesting()) {
                        var h = n.getAlphaTestTexture();
                        if (h) {
                            if (!h.isReady())
                                return !1;
                            o.push("#define ALPHATEST"),
                            u.isVerticesDataPresent(Bi.UVKind) && (c.push(Bi.UVKind),
                            o.push("#define UV1")),
                            u.isVerticesDataPresent(Bi.UV2Kind) && 1 === h.coordinatesIndex && (c.push(Bi.UV2Kind),
                            o.push("#define UV2"))
                        }
                    }
                    var d = new ys;
                    if (u.useBones && u.computeBonesUsingShaders && u.skeleton) {
                        c.push(Bi.MatricesIndicesKind),
                        c.push(Bi.MatricesWeightsKind),
                        u.numBoneInfluencers > 4 && (c.push(Bi.MatricesIndicesExtraKind),
                        c.push(Bi.MatricesWeightsExtraKind));
                        var p = u.skeleton;
                        o.push("#define NUM_BONE_INFLUENCERS " + u.numBoneInfluencers),
                        u.numBoneInfluencers > 0 && d.addCPUSkinningFallback(0, u),
                        p.isUsingTextureForMatrices ? o.push("#define BONETEXTURE") : o.push("#define BonesPerMesh " + (p.bones.length + 1))
                    } else
                        o.push("#define NUM_BONE_INFLUENCERS 0");
                    var f = u.morphTargetManager
                      , _ = 0;
                    f && f.numInfluencers > 0 && (o.push("#define MORPHTARGETS"),
                    _ = f.numInfluencers,
                    o.push("#define NUM_MORPH_INFLUENCERS " + _),
                    f.isUsingTextureForTargets && o.push("#define MORPHTARGETS_TEXTURE"),
                    Mr.PrepareAttributesForMorphTargetsInfluencers(c, u, _));
                    var m = this._scene;
                    if (m.clipPlane && o.push("#define CLIPPLANE"),
                    m.clipPlane2 && o.push("#define CLIPPLANE2"),
                    m.clipPlane3 && o.push("#define CLIPPLANE3"),
                    m.clipPlane4 && o.push("#define CLIPPLANE4"),
                    m.clipPlane5 && o.push("#define CLIPPLANE5"),
                    m.clipPlane6 && o.push("#define CLIPPLANE6"),
                    t && (o.push("#define INSTANCES"),
                    Mr.PushAttributesForInstances(c),
                    e.getRenderingMesh().hasThinInstances && o.push("#define THIN_INSTANCES")),
                    this.customShaderOptions && this.customShaderOptions.defines)
                        for (var g = 0, v = this.customShaderOptions.defines; g < v.length; g++) {
                            var y = v[g];
                            -1 === o.indexOf(y) && o.push(y)
                        }
                    var b = o.join("\n");
                    if (l !== b) {
                        l = b;
                        var T = "shadowMap"
                          , E = ["world", "mBones", "viewProjection", "diffuseMatrix", "lightDataSM", "depthValuesSM", "biasAndScaleSM", "morphTargetInfluences", "boneTextureWidth", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "softTransparentShadowSM", "morphTargetTextureInfo", "morphTargetTextureIndices"]
                          , S = ["diffuseSampler", "boneSampler", "morphTargets"];
                        if (this.customShaderOptions) {
                            if (T = this.customShaderOptions.shaderName,
                            this.customShaderOptions.attributes)
                                for (var A = 0, x = this.customShaderOptions.attributes; A < x.length; A++) {
                                    var R = x[A];
                                    -1 === c.indexOf(R) && c.push(R)
                                }
                            if (this.customShaderOptions.uniforms)
                                for (var C = 0, P = this.customShaderOptions.uniforms; C < P.length; C++) {
                                    var M = P[C];
                                    -1 === E.indexOf(M) && E.push(M)
                                }
                            if (this.customShaderOptions.samplers)
                                for (var I = 0, O = this.customShaderOptions.samplers; I < O.length; I++) {
                                    var D = O[I];
                                    -1 === S.indexOf(D) && S.push(D)
                                }
                        }
                        var N = this._scene.getEngine();
                        s = N.createEffect(T, {
                            attributes: c,
                            uniformsNames: E,
                            uniformBuffersNames: ["Scene", "Mesh"],
                            samplers: S,
                            defines: b,
                            fallbacks: d,
                            onCompiled: null,
                            onError: null,
                            indexParameters: {
                                maxSimultaneousMorphTargets: _
                            }
                        }, N),
                        a.setEffect(s, l)
                    }
                    if (!s.isReady())
                        return !1
                }
                return (this.useBlurExponentialShadowMap || this.useBlurCloseExponentialShadowMap) && (this._blurPostProcesses && this._blurPostProcesses.length || this._initializeBlurRTTAndPostProcesses()),
                !(this._kernelBlurXPostprocess && !this._kernelBlurXPostprocess.isReady() || this._kernelBlurYPostprocess && !this._kernelBlurYPostprocess.isReady() || this._boxBlurPostprocess && !this._boxBlurPostprocess.isReady())
            }
            ,
            e.prototype.prepareDefines = function(t, i) {
                var n = this._scene
                  , r = this._light;
                n.shadowsEnabled && r.shadowEnabled && (t["SHADOW" + i] = !0,
                this.useContactHardeningShadow ? (t["SHADOWPCSS" + i] = !0,
                this._filteringQuality === e.QUALITY_LOW ? t["SHADOWLOWQUALITY" + i] = !0 : this._filteringQuality === e.QUALITY_MEDIUM && (t["SHADOWMEDIUMQUALITY" + i] = !0)) : this.usePercentageCloserFiltering ? (t["SHADOWPCF" + i] = !0,
                this._filteringQuality === e.QUALITY_LOW ? t["SHADOWLOWQUALITY" + i] = !0 : this._filteringQuality === e.QUALITY_MEDIUM && (t["SHADOWMEDIUMQUALITY" + i] = !0)) : this.usePoissonSampling ? t["SHADOWPOISSON" + i] = !0 : this.useExponentialShadowMap || this.useBlurExponentialShadowMap ? t["SHADOWESM" + i] = !0 : (this.useCloseExponentialShadowMap || this.useBlurCloseExponentialShadowMap) && (t["SHADOWCLOSEESM" + i] = !0),
                r.needCube() && (t["SHADOWCUBE" + i] = !0))
            }
            ,
            e.prototype.bindShadowLight = function(t, i) {
                var n = this._light
                  , r = this._scene;
                if (r.shadowsEnabled && n.shadowEnabled) {
                    var o = r.activeCamera;
                    if (o) {
                        var a = this.getShadowMap();
                        a && (n.needCube() || i.setMatrix("lightMatrix" + t, this.getTransformMatrix()),
                        this._filter === e.FILTER_PCF ? (i.setDepthStencilTexture("shadowSampler" + t, this.getShadowMapForRendering()),
                        n._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), a.getSize().width, 1 / a.getSize().width, this.frustumEdgeFalloff, t)) : this._filter === e.FILTER_PCSS ? (i.setDepthStencilTexture("shadowSampler" + t, this.getShadowMapForRendering()),
                        i.setTexture("depthSampler" + t, this.getShadowMapForRendering()),
                        n._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), 1 / a.getSize().width, this._contactHardeningLightSizeUVRatio * a.getSize().width, this.frustumEdgeFalloff, t)) : (i.setTexture("shadowSampler" + t, this.getShadowMapForRendering()),
                        n._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), this.blurScale / a.getSize().width, this.depthScale, this.frustumEdgeFalloff, t)),
                        n._uniformBuffer.updateFloat2("depthValues", this.getLight().getDepthMinZ(o), this.getLight().getDepthMinZ(o) + this.getLight().getDepthMaxZ(o), t))
                    }
                }
            }
            ,
            e.prototype.getTransformMatrix = function() {
                var e = this._scene;
                if (this._currentRenderId === e.getRenderId() && this._currentFaceIndexCache === this._currentFaceIndex)
                    return this._transformMatrix;
                this._currentRenderId = e.getRenderId(),
                this._currentFaceIndexCache = this._currentFaceIndex;
                var t = this._light.position;
                if (this._light.computeTransformedInformation() && (t = this._light.transformedPosition),
                x.NormalizeToRef(this._light.getShadowDirection(this._currentFaceIndex), this._lightDirection),
                1 === Math.abs(x.Dot(this._lightDirection, x.Up())) && (this._lightDirection.z = 1e-13),
                this._light.needProjectionMatrixCompute() || !this._cachedPosition || !this._cachedDirection || !t.equals(this._cachedPosition) || !this._lightDirection.equals(this._cachedDirection)) {
                    this._cachedPosition.copyFrom(t),
                    this._cachedDirection.copyFrom(this._lightDirection),
                    P.LookAtLHToRef(t, t.add(this._lightDirection), x.Up(), this._viewMatrix);
                    var i = this.getShadowMap();
                    if (i) {
                        var n = i.renderList;
                        n && this._light.setShadowProjectionMatrix(this._projectionMatrix, this._viewMatrix, n)
                    }
                    this._viewMatrix.multiplyToRef(this._projectionMatrix, this._transformMatrix)
                }
                return this._transformMatrix
            }
            ,
            e.prototype.recreateShadowMap = function() {
                var e = this._shadowMap;
                if (e) {
                    var t = e.renderList;
                    if (this._disposeRTTandPostProcesses(),
                    this._initializeGenerator(),
                    this.filter = this._filter,
                    this._applyFilterValues(),
                    t) {
                        this._shadowMap.renderList || (this._shadowMap.renderList = []);
                        for (var i = 0, n = t; i < n.length; i++) {
                            var r = n[i];
                            this._shadowMap.renderList.push(r)
                        }
                    } else
                        this._shadowMap.renderList = null
                }
            }
            ,
            e.prototype._disposeBlurPostProcesses = function() {
                this._shadowMap2 && (this._shadowMap2.dispose(),
                this._shadowMap2 = null),
                this._boxBlurPostprocess && (this._boxBlurPostprocess.dispose(),
                this._boxBlurPostprocess = null),
                this._kernelBlurXPostprocess && (this._kernelBlurXPostprocess.dispose(),
                this._kernelBlurXPostprocess = null),
                this._kernelBlurYPostprocess && (this._kernelBlurYPostprocess.dispose(),
                this._kernelBlurYPostprocess = null),
                this._blurPostProcesses = []
            }
            ,
            e.prototype._disposeRTTandPostProcesses = function() {
                this._shadowMap && (this._shadowMap.dispose(),
                this._shadowMap = null),
                this._disposeBlurPostProcesses()
            }
            ,
            e.prototype._disposeSceneUBOs = function() {
                if (this._sceneUBOs) {
                    for (var e = 0, t = this._sceneUBOs; e < t.length; e++)
                        t[e].dispose();
                    this._sceneUBOs = []
                }
            }
            ,
            e.prototype.dispose = function() {
                this._disposeRTTandPostProcesses(),
                this._disposeSceneUBOs(),
                this._light && (this._light._shadowGenerator = null,
                this._light._markMeshesAsLightDirty()),
                this.onBeforeShadowMapRenderMeshObservable.clear(),
                this.onBeforeShadowMapRenderObservable.clear(),
                this.onAfterShadowMapRenderMeshObservable.clear(),
                this.onAfterShadowMapRenderObservable.clear()
            }
            ,
            e.prototype.serialize = function() {
                var e = {}
                  , t = this.getShadowMap();
                if (!t)
                    return e;
                if (e.className = this.getClassName(),
                e.lightId = this._light.id,
                e.id = this.id,
                e.mapSize = t.getRenderSize(),
                e.forceBackFacesOnly = this.forceBackFacesOnly,
                e.darkness = this.getDarkness(),
                e.transparencyShadow = this._transparencyShadow,
                e.frustumEdgeFalloff = this.frustumEdgeFalloff,
                e.bias = this.bias,
                e.normalBias = this.normalBias,
                e.usePercentageCloserFiltering = this.usePercentageCloserFiltering,
                e.useContactHardeningShadow = this.useContactHardeningShadow,
                e.contactHardeningLightSizeUVRatio = this.contactHardeningLightSizeUVRatio,
                e.filteringQuality = this.filteringQuality,
                e.useExponentialShadowMap = this.useExponentialShadowMap,
                e.useBlurExponentialShadowMap = this.useBlurExponentialShadowMap,
                e.useCloseExponentialShadowMap = this.useBlurExponentialShadowMap,
                e.useBlurCloseExponentialShadowMap = this.useBlurExponentialShadowMap,
                e.usePoissonSampling = this.usePoissonSampling,
                e.depthScale = this.depthScale,
                e.blurBoxOffset = this.blurBoxOffset,
                e.blurKernel = this.blurKernel,
                e.blurScale = this.blurScale,
                e.useKernelBlur = this.useKernelBlur,
                e.renderList = [],
                t.renderList)
                    for (var i = 0; i < t.renderList.length; i++) {
                        var n = t.renderList[i];
                        e.renderList.push(n.id)
                    }
                return e
            }
            ,
            e.Parse = function(t, i, n) {
                for (var r = i.getLightById(t.lightId), o = n ? n(t.mapSize, r) : new e(t.mapSize,r), a = o.getShadowMap(), s = 0; s < t.renderList.length; s++)
                    i.getMeshesById(t.renderList[s]).forEach((function(e) {
                        a && (a.renderList || (a.renderList = []),
                        a.renderList.push(e))
                    }
                    ));
                return void 0 !== t.id && (o.id = t.id),
                o.forceBackFacesOnly = !!t.forceBackFacesOnly,
                void 0 !== t.darkness && o.setDarkness(t.darkness),
                t.transparencyShadow && o.setTransparencyShadow(!0),
                void 0 !== t.frustumEdgeFalloff && (o.frustumEdgeFalloff = t.frustumEdgeFalloff),
                void 0 !== t.bias && (o.bias = t.bias),
                void 0 !== t.normalBias && (o.normalBias = t.normalBias),
                t.usePercentageCloserFiltering ? o.usePercentageCloserFiltering = !0 : t.useContactHardeningShadow ? o.useContactHardeningShadow = !0 : t.usePoissonSampling ? o.usePoissonSampling = !0 : t.useExponentialShadowMap ? o.useExponentialShadowMap = !0 : t.useBlurExponentialShadowMap ? o.useBlurExponentialShadowMap = !0 : t.useCloseExponentialShadowMap ? o.useCloseExponentialShadowMap = !0 : t.useBlurCloseExponentialShadowMap ? o.useBlurCloseExponentialShadowMap = !0 : t.useVarianceShadowMap ? o.useExponentialShadowMap = !0 : t.useBlurVarianceShadowMap && (o.useBlurExponentialShadowMap = !0),
                void 0 !== t.contactHardeningLightSizeUVRatio && (o.contactHardeningLightSizeUVRatio = t.contactHardeningLightSizeUVRatio),
                void 0 !== t.filteringQuality && (o.filteringQuality = t.filteringQuality),
                t.depthScale && (o.depthScale = t.depthScale),
                t.blurScale && (o.blurScale = t.blurScale),
                t.blurBoxOffset && (o.blurBoxOffset = t.blurBoxOffset),
                t.useKernelBlur && (o.useKernelBlur = t.useKernelBlur),
                t.blurKernel && (o.blurKernel = t.blurKernel),
                o
            }
            ,
            e.CLASSNAME = "ShadowGenerator",
            e.FILTER_NONE = 0,
            e.FILTER_EXPONENTIALSHADOWMAP = 1,
            e.FILTER_POISSONSAMPLING = 2,
            e.FILTER_BLUREXPONENTIALSHADOWMAP = 3,
            e.FILTER_CLOSEEXPONENTIALSHADOWMAP = 4,
            e.FILTER_BLURCLOSEEXPONENTIALSHADOWMAP = 5,
            e.FILTER_PCF = 6,
            e.FILTER_PCSS = 7,
            e.QUALITY_HIGH = 0,
            e.QUALITY_MEDIUM = 1,
            e.QUALITY_LOW = 2,
            e._SceneComponentInitialization = function(e) {
                throw be("ShadowGeneratorSceneComponent")
            }
            ,
            e
        }();
        Pt.ShadersStore.depthPixelShader = "#ifdef ALPHATEST\nvarying vec2 vUV;\nuniform sampler2D diffuseSampler;\n#endif\nvarying float vDepthMetric;\n#ifdef PACKED\n#include<packingFunctions>\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\n#ifdef ALPHATEST\nif (texture2D(diffuseSampler,vUV).a<0.4)\ndiscard;\n#endif\n#ifdef NONLINEARDEPTH\n#ifdef PACKED\ngl_FragColor=pack(gl_FragCoord.z);\n#else\ngl_FragColor=vec4(gl_FragCoord.z,0.0,0.0,0.0);\n#endif\n#else\n#ifdef PACKED\ngl_FragColor=pack(vDepthMetric);\n#else\ngl_FragColor=vec4(vDepthMetric,0.0,0.0,1.0);\n#endif\n#endif\n}";
        Pt.ShadersStore.depthVertexShader = "attribute vec3 position;\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#include<instancesDeclaration>\nuniform mat4 viewProjection;\nuniform vec2 depthValues;\n#if defined(ALPHATEST) || defined(NEED_UV)\nvarying vec2 vUV;\nuniform mat4 diffuseMatrix;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#endif\nvarying float vDepthMetric;\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\ngl_Position=viewProjection*finalWorld*vec4(positionUpdated,1.0);\n#ifdef USE_REVERSE_DEPTHBUFFER\nvDepthMetric=((-gl_Position.z+depthValues.x)/(depthValues.y));\n#else\nvDepthMetric=((gl_Position.z+depthValues.x)/(depthValues.y));\n#endif\n#if defined(ALPHATEST) || defined(BASIC_RENDER)\n#ifdef UV1\nvUV=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef UV2\nvUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n}\n";
        var o_ = function() {
            function e(t, i, n, r, o) {
                void 0 === i && (i = a.TEXTURETYPE_FLOAT),
                void 0 === n && (n = null),
                void 0 === r && (r = !1),
                void 0 === o && (o = io.TRILINEAR_SAMPLINGMODE);
                var s = this;
                this.enabled = !0,
                this.forceDepthWriteTransparentMeshes = !1,
                this.useOnlyInActiveCamera = !1,
                this._scene = t,
                this._storeNonLinearDepth = r,
                this.isPacked = i === a.TEXTURETYPE_UNSIGNED_BYTE,
                this.isPacked ? this._clearColor = new N(1,1,1,1) : this._clearColor = new N(1,0,0,1),
                e._SceneComponentInitialization(this._scene);
                var l = t.getEngine();
                this._camera = n,
                o !== io.NEAREST_SAMPLINGMODE && (i !== a.TEXTURETYPE_FLOAT || l._caps.textureFloatLinearFiltering || (o = io.NEAREST_SAMPLINGMODE),
                i !== a.TEXTURETYPE_HALF_FLOAT || l._caps.textureHalfFloatLinearFiltering || (o = io.NEAREST_SAMPLINGMODE));
                var c = this.isPacked || !l._features.supportExtendedTextureFormats ? a.TEXTUREFORMAT_RGBA : a.TEXTUREFORMAT_R;
                this._depthMap = new ns("DepthRenderer",{
                    width: l.getRenderWidth(),
                    height: l.getRenderHeight()
                },this._scene,!1,!0,i,!1,o,void 0,void 0,void 0,c),
                this._depthMap.wrapU = io.CLAMP_ADDRESSMODE,
                this._depthMap.wrapV = io.CLAMP_ADDRESSMODE,
                this._depthMap.refreshRate = 1,
                this._depthMap.renderParticles = !1,
                this._depthMap.renderList = null,
                this._depthMap.activeCamera = this._camera,
                this._depthMap.ignoreCameraViewport = !0,
                this._depthMap.useCameraPostProcesses = !1,
                this._depthMap.onClearObservable.add((function(e) {
                    e.clear(s._clearColor, !0, !0, !0)
                }
                )),
                this._depthMap.onBeforeBindObservable.add((function() {
                    var e;
                    null === (e = l._debugPushGroup) || void 0 === e || e.call(l, "depth renderer", 1)
                }
                )),
                this._depthMap.onAfterUnbindObservable.add((function() {
                    var e;
                    null === (e = l._debugPopGroup) || void 0 === e || e.call(l, 1)
                }
                )),
                this._depthMap.customIsReadyFunction = function(e, t) {
                    if (!e.isReady(!1))
                        return !1;
                    if (0 === t && e.subMeshes)
                        for (var i = 0; i < e.subMeshes.length; ++i) {
                            var n = e.subMeshes[i]
                              , r = n.getRenderingMesh()
                              , o = r._getInstancesRenderList(n._id, !!n.getReplacementMesh())
                              , a = l.getCaps().instancedArrays && (null !== o.visibleInstances[n._id] && void 0 !== o.visibleInstances[n._id] || r.hasThinInstances);
                            if (!s.isReady(n, a))
                                return !1
                        }
                    return !0
                }
                ;
                var u = function(e) {
                    var t, i, n = e.getRenderingMesh(), r = e.getEffectiveMesh(), o = s._scene, l = o.getEngine(), c = e.getMaterial();
                    if (r._internalAbstractMeshDataInfo._isActiveIntermediate = !1,
                    c && !r.infiniteDistance && !c.disableDepthWrite && 0 !== e.verticesCount && e._renderId !== o.getRenderId()) {
                        var u = r._getWorldMatrixDeterminant() < 0
                          , h = null !== (t = n.overrideMaterialSideOrientation) && void 0 !== t ? t : c.sideOrientation;
                        u && (h = h === a.MATERIAL_ClockWiseSideOrientation ? a.MATERIAL_CounterClockWiseSideOrientation : a.MATERIAL_ClockWiseSideOrientation);
                        var d = h === a.MATERIAL_ClockWiseSideOrientation;
                        l.setState(c.backFaceCulling, 0, !1, d, c.cullBackFaces);
                        var p = n._getInstancesRenderList(e._id, !!e.getReplacementMesh());
                        if (!p.mustReturn) {
                            var f = l.getCaps().instancedArrays && (null !== p.visibleInstances[e._id] && void 0 !== p.visibleInstances[e._id] || n.hasThinInstances)
                              , _ = s._camera || o.activeCamera;
                            if (s.isReady(e, f) && _) {
                                e._renderId = o.getRenderId();
                                var m = null === (i = r._internalAbstractMeshDataInfo._materialForRenderPass) || void 0 === i ? void 0 : i[l.currentRenderPassId]
                                  , g = e._getDrawWrapper();
                                !g && m && (g = m._getDrawWrapper());
                                var v = _.mode === Rr.ORTHOGRAPHIC_CAMERA;
                                if (!g)
                                    return;
                                var y = g.effect;
                                l.enableEffect(g),
                                f || n._bind(e, y, c.fillMode),
                                m ? m.bindForSubMesh(r.getWorldMatrix(), r, e) : (y.setMatrix("viewProjection", o.getTransformMatrix()),
                                y.setMatrix("world", r.getWorldMatrix()));
                                var b = void 0
                                  , T = void 0;
                                if (v ? (b = !l.useReverseDepthBuffer && l.isNDCHalfZRange ? 0 : 1,
                                T = l.useReverseDepthBuffer && l.isNDCHalfZRange ? 0 : 1) : (b = l.useReverseDepthBuffer && l.isNDCHalfZRange ? _.minZ : l.isNDCHalfZRange ? 0 : _.minZ,
                                T = l.useReverseDepthBuffer && l.isNDCHalfZRange ? 0 : _.maxZ),
                                y.setFloat2("depthValues", b, b + T),
                                !m) {
                                    if (c && c.needAlphaTesting()) {
                                        var E = c.getAlphaTestTexture();
                                        E && (y.setTexture("diffuseSampler", E),
                                        y.setMatrix("diffuseMatrix", E.getTextureMatrix()))
                                    }
                                    if (n.useBones && n.computeBonesUsingShaders && n.skeleton) {
                                        var S = n.skeleton;
                                        if (S.isUsingTextureForMatrices) {
                                            var A = S.getTransformMatrixTexture(n);
                                            if (!A)
                                                return;
                                            y.setTexture("boneSampler", A),
                                            y.setFloat("boneTextureWidth", 4 * (S.bones.length + 1))
                                        } else
                                            y.setMatrices("mBones", S.getTransformMatrices(n))
                                    }
                                    Mr.BindMorphTargetParameters(n, y),
                                    n.morphTargetManager && n.morphTargetManager.isUsingTextureForTargets && n.morphTargetManager._bind(y)
                                }
                                n._processRendering(r, e, y, c.fillMode, p, f, (function(e, t) {
                                    return y.setMatrix("world", t)
                                }
                                ))
                            }
                        }
                    }
                };
                this._depthMap.customRenderFunction = function(e, t, i, n) {
                    var r;
                    if (n.length)
                        for (r = 0; r < n.length; r++)
                            u(n.data[r]);
                    for (r = 0; r < e.length; r++)
                        u(e.data[r]);
                    for (r = 0; r < t.length; r++)
                        u(t.data[r]);
                    if (s.forceDepthWriteTransparentMeshes)
                        for (r = 0; r < i.length; r++)
                            u(i.data[r]);
                    else
                        for (r = 0; r < i.length; r++)
                            i.data[r].getEffectiveMesh()._internalAbstractMeshDataInfo._isActiveIntermediate = !1
                }
            }
            return e.prototype.setMaterialForRendering = function(e, t) {
                this._depthMap.setMaterialForRendering(e, t)
            }
            ,
            e.prototype.isReady = function(e, t) {
                var i, n = this._scene.getEngine(), r = e.getMesh(), o = null === (i = r._internalAbstractMeshDataInfo._materialForRenderPass) || void 0 === i ? void 0 : i[n.currentRenderPassId];
                if (o)
                    return o.isReadyForSubMesh(r, e, t);
                var a = e.getMaterial();
                if (!a || a.disableDepthWrite)
                    return !1;
                var s = []
                  , l = [Bi.PositionKind];
                if (a && a.needAlphaTesting() && a.getAlphaTestTexture() && (s.push("#define ALPHATEST"),
                r.isVerticesDataPresent(Bi.UVKind) && (l.push(Bi.UVKind),
                s.push("#define UV1")),
                r.isVerticesDataPresent(Bi.UV2Kind) && (l.push(Bi.UV2Kind),
                s.push("#define UV2"))),
                r.useBones && r.computeBonesUsingShaders) {
                    l.push(Bi.MatricesIndicesKind),
                    l.push(Bi.MatricesWeightsKind),
                    r.numBoneInfluencers > 4 && (l.push(Bi.MatricesIndicesExtraKind),
                    l.push(Bi.MatricesWeightsExtraKind)),
                    s.push("#define NUM_BONE_INFLUENCERS " + r.numBoneInfluencers),
                    s.push("#define BonesPerMesh " + (r.skeleton ? r.skeleton.bones.length + 1 : 0));
                    var c = e.getRenderingMesh().skeleton;
                    (null == c ? void 0 : c.isUsingTextureForMatrices) && s.push("#define BONETEXTURE")
                } else
                    s.push("#define NUM_BONE_INFLUENCERS 0");
                var u = r.morphTargetManager
                  , h = 0;
                u && u.numInfluencers > 0 && (h = u.numInfluencers,
                s.push("#define MORPHTARGETS"),
                s.push("#define NUM_MORPH_INFLUENCERS " + h),
                u.isUsingTextureForTargets && s.push("#define MORPHTARGETS_TEXTURE"),
                Mr.PrepareAttributesForMorphTargetsInfluencers(l, r, h)),
                t && (s.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(l),
                e.getRenderingMesh().hasThinInstances && s.push("#define THIN_INSTANCES")),
                this._storeNonLinearDepth && s.push("#define NONLINEARDEPTH"),
                this.isPacked && s.push("#define PACKED");
                var d = e._getDrawWrapper(void 0, !0)
                  , p = d.defines
                  , f = s.join("\n");
                return p !== f && d.setEffect(n.createEffect("depth", l, ["world", "mBones", "boneTextureWidth", "viewProjection", "diffuseMatrix", "depthValues", "morphTargetInfluences", "morphTargetTextureInfo", "morphTargetTextureIndices"], ["diffuseSampler", "morphTargets", "boneSampler"], f, void 0, void 0, void 0, {
                    maxSimultaneousMorphTargets: h
                }), f),
                d.effect.isReady()
            }
            ,
            e.prototype.getDepthMap = function() {
                return this._depthMap
            }
            ,
            e.prototype.dispose = function() {
                var e = [];
                for (var t in this._scene._depthRenderer)
                    this._scene._depthRenderer[t] === this && e.push(t);
                if (e.length > 0) {
                    this._depthMap.dispose();
                    for (var i = 0, n = e; i < n.length; i++)
                        t = n[i],
                        delete this._scene._depthRenderer[t]
                }
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("DepthRendererSceneComponent")
            }
            ,
            e
        }();
        Pt.ShadersStore.minmaxReduxPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\n#if defined(INITIAL)\nuniform sampler2D sourceTexture;\nuniform vec2 texSize;\nvoid main(void)\n{\nivec2 coord=ivec2(vUV*(texSize-1.0));\nfloat f1=texelFetch(sourceTexture,coord,0).r;\nfloat f2=texelFetch(sourceTexture,coord+ivec2(1,0),0).r;\nfloat f3=texelFetch(sourceTexture,coord+ivec2(1,1),0).r;\nfloat f4=texelFetch(sourceTexture,coord+ivec2(0,1),0).r;\nfloat minz=min(min(min(f1,f2),f3),f4);\n#ifdef DEPTH_REDUX\nfloat maxz=max(max(max(sign(1.0-f1)*f1,sign(1.0-f2)*f2),sign(1.0-f3)*f3),sign(1.0-f4)*f4);\n#else\nfloat maxz=max(max(max(f1,f2),f3),f4);\n#endif\nglFragColor=vec4(minz,maxz,0.,0.);\n}\n#elif defined(MAIN)\nuniform vec2 texSize;\nvoid main(void)\n{\nivec2 coord=ivec2(vUV*(texSize-1.0));\nvec2 f1=texelFetch(textureSampler,coord,0).rg;\nvec2 f2=texelFetch(textureSampler,coord+ivec2(1,0),0).rg;\nvec2 f3=texelFetch(textureSampler,coord+ivec2(1,1),0).rg;\nvec2 f4=texelFetch(textureSampler,coord+ivec2(0,1),0).rg;\nfloat minz=min(min(min(f1.x,f2.x),f3.x),f4.x);\nfloat maxz=max(max(max(f1.y,f2.y),f3.y),f4.y);\nglFragColor=vec4(minz,maxz,0.,0.);\n}\n#elif defined(ONEBEFORELAST)\nuniform ivec2 texSize;\nvoid main(void)\n{\nivec2 coord=ivec2(vUV*vec2(texSize-1));\nvec2 f1=texelFetch(textureSampler,coord % texSize,0).rg;\nvec2 f2=texelFetch(textureSampler,(coord+ivec2(1,0)) % texSize,0).rg;\nvec2 f3=texelFetch(textureSampler,(coord+ivec2(1,1)) % texSize,0).rg;\nvec2 f4=texelFetch(textureSampler,(coord+ivec2(0,1)) % texSize,0).rg;\nfloat minz=min(f1.x,f2.x);\nfloat maxz=max(f1.y,f2.y);\nglFragColor=vec4(minz,maxz,0.,0.);\n}\n#elif defined(LAST)\nvoid main(void)\n{\nglFragColor=vec4(0.);\nif (true) { \ndiscard;\n}\n}\n#endif\n";
        var a_ = function() {
            function e(e) {
                var t = this;
                this.onAfterReductionPerformed = new h,
                this._forceFullscreenViewport = !0,
                this._activated = !1,
                this._camera = e,
                this._postProcessManager = new Vi(e.getScene()),
                this._onContextRestoredObserver = e.getEngine().onContextRestoredObservable.add((function() {
                    t._postProcessManager._rebuild()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "sourceTexture", {
                get: function() {
                    return this._sourceTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setSourceTexture = function(e, t, i, n) {
                var r = this;
                if (void 0 === i && (i = a.TEXTURETYPE_HALF_FLOAT),
                void 0 === n && (n = !0),
                e !== this._sourceTexture) {
                    this.dispose(!1),
                    this._sourceTexture = e,
                    this._reductionSteps = [],
                    this._forceFullscreenViewport = n;
                    var o = this._camera.getScene()
                      , s = new Ba("Initial reduction phase","minmaxRedux",["texSize"],["sourceTexture"],1,null,a.TEXTURE_NEAREST_NEAREST,o.getEngine(),!1,"#define INITIAL" + (t ? "\n#define DEPTH_REDUX" : ""),i,void 0,void 0,void 0,a.TEXTUREFORMAT_RG);
                    s.autoClear = !1,
                    s.forceFullscreenViewport = n;
                    var l = this._sourceTexture.getRenderWidth()
                      , c = this._sourceTexture.getRenderHeight();
                    s.onApply = function(e, t) {
                        return function(i) {
                            i.setTexture("sourceTexture", r._sourceTexture),
                            i.setFloat2("texSize", e, t)
                        }
                    }(l, c),
                    this._reductionSteps.push(s);
                    for (var u = 1; l > 1 || c > 1; ) {
                        l = Math.max(Math.round(l / 2), 1),
                        c = Math.max(Math.round(c / 2), 1);
                        var h = new Ba("Reduction phase " + u,"minmaxRedux",["texSize"],null,{
                            width: l,
                            height: c
                        },null,a.TEXTURE_NEAREST_NEAREST,o.getEngine(),!1,"#define " + (1 == l && 1 == c ? "LAST" : 1 == l || 1 == c ? "ONEBEFORELAST" : "MAIN"),i,void 0,void 0,void 0,a.TEXTUREFORMAT_RG);
                        h.autoClear = !1,
                        h.forceFullscreenViewport = n,
                        h.onApply = function(e, t) {
                            return function(i) {
                                1 == e || 1 == t ? i.setInt2("texSize", e, t) : i.setFloat2("texSize", e, t)
                            }
                        }(l, c),
                        this._reductionSteps.push(h),
                        u++,
                        1 == l && 1 == c && h.onAfterRenderObservable.add(function(e, t, i) {
                            var n = new Float32Array(4 * e * t)
                              , a = {
                                min: 0,
                                max: 0
                            };
                            return function() {
                                o.getEngine()._readTexturePixels(i.inputTexture.texture, e, t, -1, 0, n, !1),
                                a.min = n[0],
                                a.max = n[1],
                                r.onAfterReductionPerformed.notifyObservers(a)
                            }
                        }(l, c, h))
                    }
                }
            }
            ,
            Object.defineProperty(e.prototype, "refreshRate", {
                get: function() {
                    return this._sourceTexture ? this._sourceTexture.refreshRate : -1
                },
                set: function(e) {
                    this._sourceTexture && (this._sourceTexture.refreshRate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "activated", {
                get: function() {
                    return this._activated
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.activate = function() {
                var e = this;
                !this._onAfterUnbindObserver && this._sourceTexture && (this._onAfterUnbindObserver = this._sourceTexture.onAfterUnbindObservable.add((function() {
                    var t, i, n = e._camera.getScene().getEngine();
                    null === (t = n._debugPushGroup) || void 0 === t || t.call(n, "min max reduction", 1),
                    e._reductionSteps[0].activate(e._camera),
                    e._postProcessManager.directRender(e._reductionSteps, e._reductionSteps[0].inputTexture, e._forceFullscreenViewport),
                    n.unBindFramebuffer(e._reductionSteps[0].inputTexture, !1),
                    null === (i = n._debugPopGroup) || void 0 === i || i.call(n, 1)
                }
                )),
                this._activated = !0)
            }
            ,
            e.prototype.deactivate = function() {
                this._onAfterUnbindObserver && this._sourceTexture && (this._sourceTexture.onAfterUnbindObservable.remove(this._onAfterUnbindObserver),
                this._onAfterUnbindObserver = null,
                this._activated = !1)
            }
            ,
            e.prototype.dispose = function(e) {
                if (void 0 === e && (e = !0),
                e && (this.onAfterReductionPerformed.clear(),
                this._onContextRestoredObserver && (this._camera.getEngine().onContextRestoredObservable.remove(this._onContextRestoredObserver),
                this._onContextRestoredObserver = null)),
                this.deactivate(),
                this._reductionSteps) {
                    for (var t = 0; t < this._reductionSteps.length; ++t)
                        this._reductionSteps[t].dispose();
                    this._reductionSteps = null
                }
                this._postProcessManager && e && this._postProcessManager.dispose(),
                this._sourceTexture = null
            }
            ,
            e
        }()
          , s_ = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "depthRenderer", {
                get: function() {
                    return this._depthRenderer
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setDepthRenderer = function(t, i, n) {
                void 0 === t && (t = null),
                void 0 === i && (i = a.TEXTURETYPE_HALF_FLOAT),
                void 0 === n && (n = !0);
                var r = this._camera.getScene();
                this._depthRenderer && (delete r._depthRenderer[this._depthRendererId],
                this._depthRenderer.dispose(),
                this._depthRenderer = null),
                null === t && (r._depthRenderer || (r._depthRenderer = {}),
                (t = this._depthRenderer = new o_(r,i,this._camera,!1,a.TEXTURE_NEAREST_SAMPLINGMODE)).enabled = !1,
                this._depthRendererId = "minmax" + this._camera.id,
                r._depthRenderer[this._depthRendererId] = t),
                e.prototype.setSourceTexture.call(this, t.getDepthMap(), !0, i, n)
            }
            ,
            t.prototype.setSourceTexture = function(t, i, n, r) {
                void 0 === n && (n = a.TEXTURETYPE_HALF_FLOAT),
                void 0 === r && (r = !0),
                e.prototype.setSourceTexture.call(this, t, i, n, r)
            }
            ,
            t.prototype.activate = function() {
                this._depthRenderer && (this._depthRenderer.enabled = !0),
                e.prototype.activate.call(this)
            }
            ,
            t.prototype.deactivate = function() {
                e.prototype.deactivate.call(this),
                this._depthRenderer && (this._depthRenderer.enabled = !1)
            }
            ,
            t.prototype.dispose = function(t) {
                if (void 0 === t && (t = !0),
                e.prototype.dispose.call(this, t),
                this._depthRenderer && t) {
                    var i = this._depthRenderer.getDepthMap().getScene();
                    i && delete i._depthRenderer[this._depthRendererId],
                    this._depthRenderer.dispose(),
                    this._depthRenderer = null
                }
            }
            ,
            t
        }(a_)
          , l_ = x.Up()
          , c_ = x.Zero()
          , u_ = new x
          , h_ = new x
          , d_ = new P
          , p_ = function(e) {
            function t(i, n, r) {
                var o = this;
                return t.IsSupported ? ((o = e.call(this, i, n, r) || this).usePercentageCloserFiltering = !0,
                o) : (K.Error("CascadedShadowMap is not supported by the current engine."),
                o)
            }
            return U(t, e),
            t.prototype._validateFilter = function(e) {
                return e === r_.FILTER_NONE || e === r_.FILTER_PCF || e === r_.FILTER_PCSS ? e : (console.error('Unsupported filter "' + e + '"!'),
                r_.FILTER_NONE)
            }
            ,
            Object.defineProperty(t.prototype, "numCascades", {
                get: function() {
                    return this._numCascades
                },
                set: function(e) {
                    (e = Math.min(Math.max(e, t.MIN_CASCADES_COUNT), t.MAX_CASCADES_COUNT)) !== this._numCascades && (this._numCascades = e,
                    this.recreateShadowMap(),
                    this._recreateSceneUBOs())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "freezeShadowCastersBoundingInfo", {
                get: function() {
                    return this._freezeShadowCastersBoundingInfo
                },
                set: function(e) {
                    this._freezeShadowCastersBoundingInfoObservable && e && (this._scene.onBeforeRenderObservable.remove(this._freezeShadowCastersBoundingInfoObservable),
                    this._freezeShadowCastersBoundingInfoObservable = null),
                    this._freezeShadowCastersBoundingInfoObservable || e || (this._freezeShadowCastersBoundingInfoObservable = this._scene.onBeforeRenderObservable.add(this._computeShadowCastersBoundingInfo.bind(this))),
                    this._freezeShadowCastersBoundingInfo = e,
                    e && this._computeShadowCastersBoundingInfo()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._computeShadowCastersBoundingInfo = function() {
                if (this._scbiMin.copyFromFloats(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE),
                this._scbiMax.copyFromFloats(Number.MIN_VALUE, Number.MIN_VALUE, Number.MIN_VALUE),
                this._shadowMap && this._shadowMap.renderList) {
                    for (var e = this._shadowMap.renderList, t = 0; t < e.length; t++)
                        if (r = e[t]) {
                            var i = r.getBoundingInfo().boundingBox;
                            this._scbiMin.minimizeInPlace(i.minimumWorld),
                            this._scbiMax.maximizeInPlace(i.maximumWorld)
                        }
                    var n = this._scene.meshes;
                    for (t = 0; t < n.length; t++) {
                        var r;
                        (r = n[t]) && r.isVisible && r.isEnabled && r.receiveShadows && (i = r.getBoundingInfo().boundingBox,
                        this._scbiMin.minimizeInPlace(i.minimumWorld),
                        this._scbiMax.maximizeInPlace(i.maximumWorld))
                    }
                }
                this._shadowCastersBoundingInfo.reConstruct(this._scbiMin, this._scbiMax)
            }
            ,
            Object.defineProperty(t.prototype, "shadowCastersBoundingInfo", {
                get: function() {
                    return this._shadowCastersBoundingInfo
                },
                set: function(e) {
                    this._shadowCastersBoundingInfo = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setMinMaxDistance = function(e, t) {
                this._minDistance === e && this._maxDistance === t || (e > t && (e = 0,
                t = 1),
                e < 0 && (e = 0),
                t > 1 && (t = 1),
                this._minDistance = e,
                this._maxDistance = t,
                this._breaksAreDirty = !0)
            }
            ,
            Object.defineProperty(t.prototype, "minDistance", {
                get: function() {
                    return this._minDistance
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "maxDistance", {
                get: function() {
                    return this._maxDistance
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return t.CLASSNAME
            }
            ,
            t.prototype.getCascadeMinExtents = function(e) {
                return e >= 0 && e < this._numCascades ? this._cascadeMinExtents[e] : null
            }
            ,
            t.prototype.getCascadeMaxExtents = function(e) {
                return e >= 0 && e < this._numCascades ? this._cascadeMaxExtents[e] : null
            }
            ,
            Object.defineProperty(t.prototype, "shadowMaxZ", {
                get: function() {
                    return this._scene && this._scene.activeCamera ? this._shadowMaxZ : 0
                },
                set: function(e) {
                    this._scene && this._scene.activeCamera ? this._shadowMaxZ === e || e < this._scene.activeCamera.minZ || e > this._scene.activeCamera.maxZ || (this._shadowMaxZ = e,
                    this._light._markMeshesAsLightDirty(),
                    this._breaksAreDirty = !0) : this._shadowMaxZ = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "debug", {
                get: function() {
                    return this._debug
                },
                set: function(e) {
                    this._debug = e,
                    this._light._markMeshesAsLightDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthClamp", {
                get: function() {
                    return this._depthClamp
                },
                set: function(e) {
                    this._depthClamp = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cascadeBlendPercentage", {
                get: function() {
                    return this._cascadeBlendPercentage
                },
                set: function(e) {
                    this._cascadeBlendPercentage = e,
                    this._light._markMeshesAsLightDirty()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lambda", {
                get: function() {
                    return this._lambda
                },
                set: function(e) {
                    var t = Math.min(Math.max(e, 0), 1);
                    this._lambda != t && (this._lambda = t,
                    this._breaksAreDirty = !0)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getCascadeViewMatrix = function(e) {
                return e >= 0 && e < this._numCascades ? this._viewMatrices[e] : null
            }
            ,
            t.prototype.getCascadeProjectionMatrix = function(e) {
                return e >= 0 && e < this._numCascades ? this._projectionMatrices[e] : null
            }
            ,
            t.prototype.getCascadeTransformMatrix = function(e) {
                return e >= 0 && e < this._numCascades ? this._transformMatrices[e] : null
            }
            ,
            t.prototype.setDepthRenderer = function(e) {
                this._depthRenderer = e,
                this._depthReducer && this._depthReducer.setDepthRenderer(this._depthRenderer)
            }
            ,
            Object.defineProperty(t.prototype, "autoCalcDepthBounds", {
                get: function() {
                    return this._autoCalcDepthBounds
                },
                set: function(e) {
                    var t = this
                      , i = this._scene.activeCamera;
                    if (i) {
                        if (this._autoCalcDepthBounds = e,
                        !e)
                            return this._depthReducer && this._depthReducer.deactivate(),
                            void this.setMinMaxDistance(0, 1);
                        this._depthReducer || (this._depthReducer = new s_(i),
                        this._depthReducer.onAfterReductionPerformed.add((function(e) {
                            var i = e.min
                              , n = e.max;
                            i >= n && (i = 0,
                            n = 1),
                            i == t._minDistance && n == t._maxDistance || t.setMinMaxDistance(i, n)
                        }
                        )),
                        this._depthReducer.setDepthRenderer(this._depthRenderer)),
                        this._depthReducer.activate()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "autoCalcDepthBoundsRefreshRate", {
                get: function() {
                    var e, t, i;
                    return null !== (i = null === (t = null === (e = this._depthReducer) || void 0 === e ? void 0 : e.depthRenderer) || void 0 === t ? void 0 : t.getDepthMap().refreshRate) && void 0 !== i ? i : -1
                },
                set: function(e) {
                    var t;
                    (null === (t = this._depthReducer) || void 0 === t ? void 0 : t.depthRenderer) && (this._depthReducer.depthRenderer.getDepthMap().refreshRate = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.splitFrustum = function() {
                this._breaksAreDirty = !0
            }
            ,
            t.prototype._splitFrustum = function() {
                var e = this._scene.activeCamera;
                if (e) {
                    for (var t = e.minZ, i = e.maxZ, n = i - t, r = this._minDistance, o = t + r * n, a = t + (this._shadowMaxZ < i && this._shadowMaxZ >= t ? Math.min((this._shadowMaxZ - t) / (i - t), this._maxDistance) : this._maxDistance) * n, s = a - o, l = a / o, c = 0; c < this._cascades.length; ++c) {
                        var u = (c + 1) / this._numCascades
                          , h = o * Math.pow(l, u)
                          , d = o + s * u
                          , p = this._lambda * (h - d) + d;
                        this._cascades[c].prevBreakDistance = 0 === c ? r : this._cascades[c - 1].breakDistance,
                        this._cascades[c].breakDistance = (p - t) / n,
                        this._viewSpaceFrustumsZ[c] = p,
                        this._frustumLengths[c] = (this._cascades[c].breakDistance - this._cascades[c].prevBreakDistance) * n
                    }
                    this._breaksAreDirty = !1
                }
            }
            ,
            t.prototype._computeMatrices = function() {
                var e = this._scene;
                if (e.activeCamera) {
                    x.NormalizeToRef(this._light.getShadowDirection(0), this._lightDirection),
                    1 === Math.abs(x.Dot(this._lightDirection, x.Up())) && (this._lightDirection.z = 1e-13),
                    this._cachedDirection.copyFrom(this._lightDirection);
                    for (var t = e.getEngine().useReverseDepthBuffer, i = 0; i < this._numCascades; ++i) {
                        this._computeFrustumInWorldSpace(i),
                        this._computeCascadeFrustum(i),
                        this._cascadeMaxExtents[i].subtractToRef(this._cascadeMinExtents[i], u_),
                        this._frustumCenter[i].addToRef(this._lightDirection.scale(this._cascadeMinExtents[i].z), this._shadowCameraPos[i]),
                        P.LookAtLHToRef(this._shadowCameraPos[i], this._frustumCenter[i], l_, this._viewMatrices[i]);
                        var n = 0
                          , r = u_.z
                          , o = this._shadowCastersBoundingInfo;
                        o.update(this._viewMatrices[i]),
                        r = Math.min(r, o.boundingBox.maximumWorld.z),
                        n = this._depthClamp && this.filter !== r_.FILTER_PCSS ? Math.max(n, o.boundingBox.minimumWorld.z) : Math.min(n, o.boundingBox.minimumWorld.z),
                        P.OrthoOffCenterLHToRef(this._cascadeMinExtents[i].x, this._cascadeMaxExtents[i].x, this._cascadeMinExtents[i].y, this._cascadeMaxExtents[i].y, t ? r : n, t ? n : r, this._projectionMatrices[i], e.getEngine().isNDCHalfZRange),
                        this._cascadeMinExtents[i].z = n,
                        this._cascadeMaxExtents[i].z = r,
                        this._viewMatrices[i].multiplyToRef(this._projectionMatrices[i], this._transformMatrices[i]),
                        x.TransformCoordinatesToRef(c_, this._transformMatrices[i], u_),
                        u_.scaleInPlace(this._mapSize / 2),
                        h_.copyFromFloats(Math.round(u_.x), Math.round(u_.y), Math.round(u_.z)),
                        h_.subtractInPlace(u_).scaleInPlace(2 / this._mapSize),
                        P.TranslationToRef(h_.x, h_.y, 0, d_),
                        this._projectionMatrices[i].multiplyToRef(d_, this._projectionMatrices[i]),
                        this._viewMatrices[i].multiplyToRef(this._projectionMatrices[i], this._transformMatrices[i]),
                        this._transformMatrices[i].copyToArray(this._transformMatricesAsArray, 16 * i)
                    }
                }
            }
            ,
            t.prototype._computeFrustumInWorldSpace = function(e) {
                if (this._scene.activeCamera) {
                    var i = this._cascades[e].prevBreakDistance
                      , n = this._cascades[e].breakDistance
                      , r = this._scene.getEngine().isNDCHalfZRange;
                    this._scene.activeCamera.getViewMatrix();
                    for (var o = P.Invert(this._scene.activeCamera.getTransformationMatrix()), a = this._scene.getEngine().useReverseDepthBuffer ? 4 : 0, s = 0; s < t._FrustumCornersNDCSpace.length; ++s)
                        u_.copyFrom(t._FrustumCornersNDCSpace[(s + a) % t._FrustumCornersNDCSpace.length]),
                        r && -1 === u_.z && (u_.z = 0),
                        x.TransformCoordinatesToRef(u_, o, this._frustumCornersWorldSpace[e][s]);
                    for (s = 0; s < t._FrustumCornersNDCSpace.length / 2; ++s)
                        u_.copyFrom(this._frustumCornersWorldSpace[e][s + 4]).subtractInPlace(this._frustumCornersWorldSpace[e][s]),
                        h_.copyFrom(u_).scaleInPlace(i),
                        u_.scaleInPlace(n),
                        u_.addInPlace(this._frustumCornersWorldSpace[e][s]),
                        this._frustumCornersWorldSpace[e][s + 4].copyFrom(u_),
                        this._frustumCornersWorldSpace[e][s].addInPlace(h_)
                }
            }
            ,
            t.prototype._computeCascadeFrustum = function(e) {
                if (this._cascadeMinExtents[e].copyFromFloats(Number.MAX_VALUE, Number.MAX_VALUE, Number.MAX_VALUE),
                this._cascadeMaxExtents[e].copyFromFloats(Number.MIN_VALUE, Number.MIN_VALUE, Number.MIN_VALUE),
                this._frustumCenter[e].copyFromFloats(0, 0, 0),
                this._scene.activeCamera) {
                    for (var t = 0; t < this._frustumCornersWorldSpace[e].length; ++t)
                        this._frustumCenter[e].addInPlace(this._frustumCornersWorldSpace[e][t]);
                    if (this._frustumCenter[e].scaleInPlace(1 / this._frustumCornersWorldSpace[e].length),
                    this.stabilizeCascades) {
                        var i = 0;
                        for (t = 0; t < this._frustumCornersWorldSpace[e].length; ++t) {
                            var n = this._frustumCornersWorldSpace[e][t].subtractToRef(this._frustumCenter[e], u_).length();
                            i = Math.max(i, n)
                        }
                        i = Math.ceil(16 * i) / 16,
                        this._cascadeMaxExtents[e].copyFromFloats(i, i, i),
                        this._cascadeMinExtents[e].copyFromFloats(-i, -i, -i)
                    } else {
                        var r = this._frustumCenter[e];
                        for (this._frustumCenter[e].addToRef(this._lightDirection, u_),
                        P.LookAtLHToRef(r, u_, l_, d_),
                        t = 0; t < this._frustumCornersWorldSpace[e].length; ++t)
                            x.TransformCoordinatesToRef(this._frustumCornersWorldSpace[e][t], d_, u_),
                            this._cascadeMinExtents[e].minimizeInPlace(u_),
                            this._cascadeMaxExtents[e].maximizeInPlace(u_)
                    }
                }
            }
            ,
            t.prototype._recreateSceneUBOs = function() {
                if (this._disposeSceneUBOs(),
                this._sceneUBOs)
                    for (var e = 0; e < this._numCascades; ++e)
                        this._sceneUBOs.push(this._scene.createSceneUniformBuffer('Scene for CSM Shadow Generator (light "'.concat(this._light.name, '" cascade #').concat(e, ")")))
            }
            ,
            Object.defineProperty(t, "IsSupported", {
                get: function() {
                    var e = E.LastCreatedEngine;
                    return !!e && e._features.supportCSM
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._initializeGenerator = function() {
                var i, n, r, o, a, s, l, c, u, h, d, p, f, _, m, g, v, y, b, T;
                this.penumbraDarkness = null !== (i = this.penumbraDarkness) && void 0 !== i ? i : 1,
                this._numCascades = null !== (n = this._numCascades) && void 0 !== n ? n : t.DEFAULT_CASCADES_COUNT,
                this.stabilizeCascades = null !== (r = this.stabilizeCascades) && void 0 !== r && r,
                this._freezeShadowCastersBoundingInfoObservable = null !== (o = this._freezeShadowCastersBoundingInfoObservable) && void 0 !== o ? o : null,
                this.freezeShadowCastersBoundingInfo = null !== (a = this.freezeShadowCastersBoundingInfo) && void 0 !== a && a,
                this._scbiMin = null !== (s = this._scbiMin) && void 0 !== s ? s : new x(0,0,0),
                this._scbiMax = null !== (l = this._scbiMax) && void 0 !== l ? l : new x(0,0,0),
                this._shadowCastersBoundingInfo = null !== (c = this._shadowCastersBoundingInfo) && void 0 !== c ? c : new sr(new x(0,0,0),new x(0,0,0)),
                this._breaksAreDirty = null === (u = this._breaksAreDirty) || void 0 === u || u,
                this._minDistance = null !== (h = this._minDistance) && void 0 !== h ? h : 0,
                this._maxDistance = null !== (d = this._maxDistance) && void 0 !== d ? d : 1,
                this._currentLayer = null !== (p = this._currentLayer) && void 0 !== p ? p : 0,
                this._shadowMaxZ = null !== (m = null !== (f = this._shadowMaxZ) && void 0 !== f ? f : null === (_ = this._scene.activeCamera) || void 0 === _ ? void 0 : _.maxZ) && void 0 !== m ? m : 1e4,
                this._debug = null !== (g = this._debug) && void 0 !== g && g,
                this._depthClamp = null === (v = this._depthClamp) || void 0 === v || v,
                this._cascadeBlendPercentage = null !== (y = this._cascadeBlendPercentage) && void 0 !== y ? y : .1,
                this._lambda = null !== (b = this._lambda) && void 0 !== b ? b : .5,
                this._autoCalcDepthBounds = null !== (T = this._autoCalcDepthBounds) && void 0 !== T && T,
                this._recreateSceneUBOs(),
                e.prototype._initializeGenerator.call(this)
            }
            ,
            t.prototype._createTargetRenderTexture = function() {
                var e = this._scene.getEngine()
                  , t = {
                    width: this._mapSize,
                    height: this._mapSize,
                    layers: this.numCascades
                };
                this._shadowMap = new ns(this._light.name + "_CSMShadowMap",t,this._scene,!1,!0,this._textureType,!1,void 0,!1,!1,void 0),
                this._shadowMap.createDepthStencilTexture(e.useReverseDepthBuffer ? a.GREATER : a.LESS, !0)
            }
            ,
            t.prototype._initializeShadowMap = function() {
                var i = this;
                if (e.prototype._initializeShadowMap.call(this),
                null !== this._shadowMap) {
                    this._transformMatricesAsArray = new Float32Array(16 * this._numCascades),
                    this._viewSpaceFrustumsZ = new Array(this._numCascades),
                    this._frustumLengths = new Array(this._numCascades),
                    this._lightSizeUVCorrection = new Array(2 * this._numCascades),
                    this._depthCorrection = new Array(this._numCascades),
                    this._cascades = [],
                    this._viewMatrices = [],
                    this._projectionMatrices = [],
                    this._transformMatrices = [],
                    this._cascadeMinExtents = [],
                    this._cascadeMaxExtents = [],
                    this._frustumCenter = [],
                    this._shadowCameraPos = [],
                    this._frustumCornersWorldSpace = [];
                    for (var n = 0; n < this._numCascades; ++n) {
                        this._cascades[n] = {
                            prevBreakDistance: 0,
                            breakDistance: 0
                        },
                        this._viewMatrices[n] = P.Zero(),
                        this._projectionMatrices[n] = P.Zero(),
                        this._transformMatrices[n] = P.Zero(),
                        this._cascadeMinExtents[n] = new x,
                        this._cascadeMaxExtents[n] = new x,
                        this._frustumCenter[n] = new x,
                        this._shadowCameraPos[n] = new x,
                        this._frustumCornersWorldSpace[n] = new Array(t._FrustumCornersNDCSpace.length);
                        for (var r = 0; r < t._FrustumCornersNDCSpace.length; ++r)
                            this._frustumCornersWorldSpace[n][r] = new x
                    }
                    var o = this._scene.getEngine();
                    this._shadowMap.onBeforeBindObservable.clear(),
                    this._shadowMap.onBeforeRenderObservable.clear(),
                    this._shadowMap.onBeforeRenderObservable.add((function(e) {
                        i._sceneUBOs && i._scene.setSceneUniformBuffer(i._sceneUBOs[e]),
                        i._currentLayer = e,
                        i._filter === r_.FILTER_PCF && o.setColorWrite(!1),
                        i._scene.setTransformMatrix(i.getCascadeViewMatrix(e), i.getCascadeProjectionMatrix(e)),
                        i._useUBO && (i._scene.getSceneUniformBuffer().unbindEffect(),
                        i._scene.finalizeSceneUbo())
                    }
                    )),
                    this._shadowMap.onBeforeBindObservable.add((function() {
                        var e;
                        i._currentSceneUBO = i._scene.getSceneUniformBuffer(),
                        null === (e = o._debugPushGroup) || void 0 === e || e.call(o, "cascaded shadow map generation for pass id ".concat(o.currentRenderPassId), 1),
                        i._breaksAreDirty && i._splitFrustum(),
                        i._computeMatrices()
                    }
                    )),
                    this._splitFrustum()
                }
            }
            ,
            t.prototype._bindCustomEffectForRenderSubMeshForShadowMap = function(e, t) {
                t.setMatrix("viewProjection", this.getCascadeTransformMatrix(this._currentLayer))
            }
            ,
            t.prototype._isReadyCustomDefines = function(e) {
                e.push("#define SM_DEPTHCLAMP " + (this._depthClamp && this._filter !== r_.FILTER_PCSS ? "1" : "0"))
            }
            ,
            t.prototype.prepareDefines = function(t, i) {
                e.prototype.prepareDefines.call(this, t, i);
                var n = this._scene
                  , r = this._light;
                if (n.shadowsEnabled && r.shadowEnabled) {
                    t["SHADOWCSM" + i] = !0,
                    t["SHADOWCSMDEBUG" + i] = this.debug,
                    t["SHADOWCSMNUM_CASCADES" + i] = this.numCascades,
                    t["SHADOWCSM_RIGHTHANDED" + i] = n.useRightHandedSystem;
                    var o = n.activeCamera;
                    o && this._shadowMaxZ < o.maxZ && (t["SHADOWCSMUSESHADOWMAXZ" + i] = !0),
                    0 === this.cascadeBlendPercentage && (t["SHADOWCSMNOBLEND" + i] = !0)
                }
            }
            ,
            t.prototype.bindShadowLight = function(e, t) {
                var i = this._light
                  , n = this._scene;
                if (n.shadowsEnabled && i.shadowEnabled) {
                    var r = n.activeCamera;
                    if (r) {
                        var o = this.getShadowMap();
                        if (o) {
                            var a = o.getSize().width;
                            if (t.setMatrices("lightMatrix" + e, this._transformMatricesAsArray),
                            t.setArray("viewFrustumZ" + e, this._viewSpaceFrustumsZ),
                            t.setFloat("cascadeBlendFactor" + e, 0 === this.cascadeBlendPercentage ? 1e4 : 1 / this.cascadeBlendPercentage),
                            t.setArray("frustumLengths" + e, this._frustumLengths),
                            this._filter === r_.FILTER_PCF)
                                t.setDepthStencilTexture("shadowSampler" + e, o),
                                i._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), a, 1 / a, this.frustumEdgeFalloff, e);
                            else if (this._filter === r_.FILTER_PCSS) {
                                for (var s = 0; s < this._numCascades; ++s)
                                    this._lightSizeUVCorrection[2 * s + 0] = 0 === s ? 1 : (this._cascadeMaxExtents[0].x - this._cascadeMinExtents[0].x) / (this._cascadeMaxExtents[s].x - this._cascadeMinExtents[s].x),
                                    this._lightSizeUVCorrection[2 * s + 1] = 0 === s ? 1 : (this._cascadeMaxExtents[0].y - this._cascadeMinExtents[0].y) / (this._cascadeMaxExtents[s].y - this._cascadeMinExtents[s].y),
                                    this._depthCorrection[s] = 0 === s ? 1 : (this._cascadeMaxExtents[s].z - this._cascadeMinExtents[s].z) / (this._cascadeMaxExtents[0].z - this._cascadeMinExtents[0].z);
                                t.setDepthStencilTexture("shadowSampler" + e, o),
                                t.setTexture("depthSampler" + e, o),
                                t.setArray2("lightSizeUVCorrection" + e, this._lightSizeUVCorrection),
                                t.setArray("depthCorrection" + e, this._depthCorrection),
                                t.setFloat("penumbraDarkness" + e, this.penumbraDarkness),
                                i._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), 1 / a, this._contactHardeningLightSizeUVRatio * a, this.frustumEdgeFalloff, e)
                            } else
                                t.setTexture("shadowSampler" + e, o),
                                i._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), a, 1 / a, this.frustumEdgeFalloff, e);
                            i._uniformBuffer.updateFloat2("depthValues", this.getLight().getDepthMinZ(r), this.getLight().getDepthMinZ(r) + this.getLight().getDepthMaxZ(r), e)
                        }
                    }
                }
            }
            ,
            t.prototype.getTransformMatrix = function() {
                return this.getCascadeTransformMatrix(0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._freezeShadowCastersBoundingInfoObservable && (this._scene.onBeforeRenderObservable.remove(this._freezeShadowCastersBoundingInfoObservable),
                this._freezeShadowCastersBoundingInfoObservable = null),
                this._depthReducer && (this._depthReducer.dispose(),
                this._depthReducer = null)
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this)
                  , i = this.getShadowMap();
                if (!i)
                    return t;
                if (t.numCascades = this._numCascades,
                t.debug = this._debug,
                t.stabilizeCascades = this.stabilizeCascades,
                t.lambda = this._lambda,
                t.cascadeBlendPercentage = this.cascadeBlendPercentage,
                t.depthClamp = this._depthClamp,
                t.autoCalcDepthBounds = this.autoCalcDepthBounds,
                t.shadowMaxZ = this._shadowMaxZ,
                t.penumbraDarkness = this.penumbraDarkness,
                t.freezeShadowCastersBoundingInfo = this._freezeShadowCastersBoundingInfo,
                t.minDistance = this.minDistance,
                t.maxDistance = this.maxDistance,
                t.renderList = [],
                i.renderList)
                    for (var n = 0; n < i.renderList.length; n++) {
                        var r = i.renderList[n];
                        t.renderList.push(r.id)
                    }
                return t
            }
            ,
            t.Parse = function(e, i) {
                var n = r_.Parse(e, i, (function(e, i) {
                    return new t(e,i)
                }
                ));
                return void 0 !== e.numCascades && (n.numCascades = e.numCascades),
                void 0 !== e.debug && (n.debug = e.debug),
                void 0 !== e.stabilizeCascades && (n.stabilizeCascades = e.stabilizeCascades),
                void 0 !== e.lambda && (n.lambda = e.lambda),
                void 0 !== e.cascadeBlendPercentage && (n.cascadeBlendPercentage = e.cascadeBlendPercentage),
                void 0 !== e.depthClamp && (n.depthClamp = e.depthClamp),
                void 0 !== e.autoCalcDepthBounds && (n.autoCalcDepthBounds = e.autoCalcDepthBounds),
                void 0 !== e.shadowMaxZ && (n.shadowMaxZ = e.shadowMaxZ),
                void 0 !== e.penumbraDarkness && (n.penumbraDarkness = e.penumbraDarkness),
                void 0 !== e.freezeShadowCastersBoundingInfo && (n.freezeShadowCastersBoundingInfo = e.freezeShadowCastersBoundingInfo),
                void 0 !== e.minDistance && void 0 !== e.maxDistance && n.setMinMaxDistance(e.minDistance, e.maxDistance),
                n
            }
            ,
            t._FrustumCornersNDCSpace = [new x(-1,1,-1), new x(1,1,-1), new x(1,-1,-1), new x(-1,-1,-1), new x(-1,1,1), new x(1,1,1), new x(1,-1,1), new x(-1,-1,1)],
            t.CLASSNAME = "CascadedShadowGenerator",
            t.DEFAULT_CASCADES_COUNT = 4,
            t.MIN_CASCADES_COUNT = 2,
            t.MAX_CASCADES_COUNT = 4,
            t._SceneComponentInitialization = function(e) {
                throw be("ShadowGeneratorSceneComponent")
            }
            ,
            t
        }(r_);
        o.AddParser(Wi.NAME_SHADOWGENERATOR, (function(e, t) {
            if (void 0 !== e.shadowGenerators && null !== e.shadowGenerators)
                for (var i = 0, n = e.shadowGenerators.length; i < n; i++) {
                    var r = e.shadowGenerators[i];
                    r.className === p_.CLASSNAME ? p_.Parse(r, t) : r_.Parse(r, t)
                }
        }
        ));
        var f_ = function() {
            function e(e) {
                this.name = Wi.NAME_SHADOWGENERATOR,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._gatherRenderTargetsStage.registerStep(Wi.STEP_GATHERRENDERTARGETS_SHADOWGENERATOR, this, this._gatherRenderTargets)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.serialize = function(e) {
                e.shadowGenerators = [];
                for (var t = 0, i = this.scene.lights; t < i.length; t++) {
                    var n = i[t].getShadowGenerator();
                    n && e.shadowGenerators.push(n.serialize())
                }
            }
            ,
            e.prototype.addFromContainer = function(e) {}
            ,
            e.prototype.removeFromContainer = function(e, t) {}
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype._gatherRenderTargets = function(e) {
                var t = this.scene;
                if (this.scene.shadowsEnabled)
                    for (var i = 0; i < t.lights.length; i++) {
                        var n = t.lights[i]
                          , r = n.getShadowGenerator();
                        if (n.isEnabled() && n.shadowEnabled && r) {
                            var o = r.getShadowMap();
                            -1 !== t.textures.indexOf(o) && e.push(o)
                        }
                    }
            }
            ,
            e
        }();
        r_._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_SHADOWGENERATOR);
            t || (t = new f_(e),
            e._addComponent(t))
        }
        ,
        Xe.AddNodeConstructor("Light_Type_0", (function(e, t) {
            return function() {
                return new __(e,x.Zero(),t)
            }
        }
        ));
        var __ = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, n) || this;
                return r._shadowAngle = Math.PI / 2,
                r.position = i,
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "shadowAngle", {
                get: function() {
                    return this._shadowAngle
                },
                set: function(e) {
                    this._shadowAngle = e,
                    this.forceProjectionMatrixCompute()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "direction", {
                get: function() {
                    return this._direction
                },
                set: function(e) {
                    var t = this.needCube();
                    this._direction = e,
                    this.needCube() !== t && this._shadowGenerator && this._shadowGenerator.recreateShadowMap()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PointLight"
            }
            ,
            t.prototype.getTypeID = function() {
                return Cr.LIGHTTYPEID_POINTLIGHT
            }
            ,
            t.prototype.needCube = function() {
                return !this.direction
            }
            ,
            t.prototype.getShadowDirection = function(t) {
                if (this.direction)
                    return e.prototype.getShadowDirection.call(this, t);
                switch (t) {
                case 0:
                    return new x(1,0,0);
                case 1:
                    return new x(-1,0,0);
                case 2:
                    return new x(0,-1,0);
                case 3:
                    return new x(0,1,0);
                case 4:
                    return new x(0,0,1);
                case 5:
                    return new x(0,0,-1)
                }
                return x.Zero()
            }
            ,
            t.prototype._setDefaultShadowProjectionMatrix = function(e, t, i) {
                var n = this.getScene().activeCamera;
                if (n) {
                    var r = void 0 !== this.shadowMinZ ? this.shadowMinZ : n.minZ
                      , o = void 0 !== this.shadowMaxZ ? this.shadowMaxZ : n.maxZ
                      , a = this.getScene().getEngine().useReverseDepthBuffer;
                    P.PerspectiveFovLHToRef(this.shadowAngle, 1, a ? o : r, a ? r : o, e, !0, this._scene.getEngine().isNDCHalfZRange, void 0, a)
                }
            }
            ,
            t.prototype._buildUniformLayout = function() {
                this._uniformBuffer.addUniform("vLightData", 4),
                this._uniformBuffer.addUniform("vLightDiffuse", 4),
                this._uniformBuffer.addUniform("vLightSpecular", 4),
                this._uniformBuffer.addUniform("vLightFalloff", 4),
                this._uniformBuffer.addUniform("shadowsInfo", 3),
                this._uniformBuffer.addUniform("depthValues", 2),
                this._uniformBuffer.create()
            }
            ,
            t.prototype.transferToEffect = function(e, t) {
                return this.computeTransformedInformation() ? this._uniformBuffer.updateFloat4("vLightData", this.transformedPosition.x, this.transformedPosition.y, this.transformedPosition.z, 0, t) : this._uniformBuffer.updateFloat4("vLightData", this.position.x, this.position.y, this.position.z, 0, t),
                this._uniformBuffer.updateFloat4("vLightFalloff", this.range, this._inverseSquaredRange, 0, 0, t),
                this
            }
            ,
            t.prototype.transferToNodeMaterialEffect = function(e, t) {
                return this.computeTransformedInformation() ? e.setFloat3(t, this.transformedPosition.x, this.transformedPosition.y, this.transformedPosition.z) : e.setFloat3(t, this.position.x, this.position.y, this.position.z),
                this
            }
            ,
            t.prototype.prepareLightSpecificDefines = function(e, t) {
                e["POINTLIGHT" + t] = !0
            }
            ,
            k([Ce()], t.prototype, "shadowAngle", null),
            t
        }(xd)
          , m_ = function() {
            function e(e, t, i) {
                void 0 === t && (t = ""),
                void 0 === i && (i = "black");
                var n = this;
                this._renderingCanvas = e,
                this._loadingText = t,
                this._loadingDivBackgroundColor = i,
                this._resizeLoadingUI = function() {
                    var e = n._renderingCanvas.getBoundingClientRect()
                      , t = window.getComputedStyle(n._renderingCanvas).position;
                    n._loadingDiv && (n._loadingDiv.style.position = "fixed" === t ? "fixed" : "absolute",
                    n._loadingDiv.style.left = e.left + "px",
                    n._loadingDiv.style.top = e.top + "px",
                    n._loadingDiv.style.width = e.width + "px",
                    n._loadingDiv.style.height = e.height + "px")
                }
            }
            return e.prototype.displayLoadingUI = function() {
                if (!this._loadingDiv) {
                    this._loadingDiv = document.createElement("div"),
                    this._loadingDiv.id = "babylonjsLoadingDiv",
                    this._loadingDiv.style.opacity = "0",
                    this._loadingDiv.style.transition = "opacity 1.5s ease",
                    this._loadingDiv.style.pointerEvents = "none",
                    this._loadingDiv.style.display = "grid",
                    this._loadingDiv.style.gridTemplateRows = "100%",
                    this._loadingDiv.style.gridTemplateColumns = "100%",
                    this._loadingDiv.style.justifyItems = "center",
                    this._loadingDiv.style.alignItems = "center",
                    this._loadingTextDiv = document.createElement("div"),
                    this._loadingTextDiv.style.position = "absolute",
                    this._loadingTextDiv.style.left = "0",
                    this._loadingTextDiv.style.top = "50%",
                    this._loadingTextDiv.style.marginTop = "80px",
                    this._loadingTextDiv.style.width = "100%",
                    this._loadingTextDiv.style.height = "20px",
                    this._loadingTextDiv.style.fontFamily = "Arial",
                    this._loadingTextDiv.style.fontSize = "14px",
                    this._loadingTextDiv.style.color = "white",
                    this._loadingTextDiv.style.textAlign = "center",
                    this._loadingTextDiv.style.zIndex = "1",
                    this._loadingTextDiv.innerHTML = "Loading",
                    this._loadingDiv.appendChild(this._loadingTextDiv),
                    this._loadingTextDiv.innerHTML = this._loadingText,
                    this._style = document.createElement("style"),
                    this._style.type = "text/css",
                    this._style.innerHTML = "@-webkit-keyframes spin1 {                    0% { -webkit-transform: rotate(0deg);}\n                    100% { -webkit-transform: rotate(360deg);}\n                }                @keyframes spin1 {                    0% { transform: rotate(0deg);}\n                    100% { transform: rotate(360deg);}\n                }",
                    document.getElementsByTagName("head")[0].appendChild(this._style);
                    var t = !!window.SVGSVGElement
                      , i = new Image;
                    e.DefaultLogoUrl ? i.src = e.DefaultLogoUrl : i.src = t ? "data:image/svg+xml;base64,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" : "https://cdn.babylonjs.com/Assets/babylonLogo.png",
                    i.style.width = "150px",
                    i.style.gridColumn = "1",
                    i.style.gridRow = "1",
                    i.style.top = "50%",
                    i.style.left = "50%",
                    i.style.transform = "translate(-50%, -50%)",
                    i.style.position = "absolute";
                    var n = document.createElement("div");
                    n.style.width = "300px",
                    n.style.gridColumn = "1",
                    n.style.gridRow = "1",
                    n.style.top = "50%",
                    n.style.left = "50%",
                    n.style.transform = "translate(-50%, -50%)",
                    n.style.position = "absolute";
                    var r = new Image;
                    if (e.DefaultSpinnerUrl ? r.src = e.DefaultSpinnerUrl : r.src = t ? "data:image/svg+xml;base64,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" : "https://cdn.babylonjs.com/Assets/loadingIcon.png",
                    r.style.animation = "spin1 0.75s infinite linear",
                    r.style.webkitAnimation = "spin1 0.75s infinite linear",
                    r.style.transformOrigin = "50% 50%",
                    r.style.webkitTransformOrigin = "50% 50%",
                    !t) {
                        var o = {
                            w: 16,
                            h: 18.5
                        }
                          , a = {
                            w: 30,
                            h: 30
                        };
                        i.style.width = "".concat(o.w, "vh"),
                        i.style.height = "".concat(o.h, "vh"),
                        i.style.left = "calc(50% - ".concat(o.w / 2, "vh)"),
                        i.style.top = "calc(50% - ".concat(o.h / 2, "vh)"),
                        r.style.width = "".concat(a.w, "vh"),
                        r.style.height = "".concat(a.h, "vh"),
                        r.style.left = "calc(50% - ".concat(a.w / 2, "vh)"),
                        r.style.top = "calc(50% - ".concat(a.h / 2, "vh)")
                    }
                    n.appendChild(r),
                    this._loadingDiv.appendChild(i),
                    this._loadingDiv.appendChild(n),
                    this._resizeLoadingUI(),
                    window.addEventListener("resize", this._resizeLoadingUI),
                    this._loadingDiv.style.backgroundColor = this._loadingDivBackgroundColor,
                    document.body.appendChild(this._loadingDiv),
                    this._loadingDiv.style.opacity = "1"
                }
            }
            ,
            e.prototype.hideLoadingUI = function() {
                var e = this;
                this._loadingDiv && (this._loadingDiv.style.opacity = "0",
                this._loadingDiv.addEventListener("transitionend", (function() {
                    e._loadingDiv && (e._loadingDiv.parentElement && e._loadingDiv.parentElement.removeChild(e._loadingDiv),
                    e._loadingDiv = null),
                    e._style && (e._style.parentElement && e._style.parentElement.removeChild(e._style),
                    e._style = null),
                    window.removeEventListener("resize", e._resizeLoadingUI)
                }
                )))
            }
            ,
            Object.defineProperty(e.prototype, "loadingUIText", {
                get: function() {
                    return this._loadingText
                },
                set: function(e) {
                    this._loadingText = e,
                    this._loadingTextDiv && (this._loadingTextDiv.innerHTML = this._loadingText)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "loadingUIBackgroundColor", {
                get: function() {
                    return this._loadingDivBackgroundColor
                },
                set: function(e) {
                    this._loadingDivBackgroundColor = e,
                    this._loadingDiv && (this._loadingDiv.style.backgroundColor = this._loadingDivBackgroundColor)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.DefaultLogoUrl = "",
            e.DefaultSpinnerUrl = "",
            e
        }();
        vr.DefaultLoadingScreenFactory = function(e) {
            return new m_(e)
        }
        ;
        var g_ = function() {
            function e() {}
            return e.ConvertPanoramaToCubemap = function(e, t, i, n) {
                if (!e)
                    throw "ConvertPanoramaToCubemap: input cannot be null";
                if (e.length != t * i * 3)
                    throw "ConvertPanoramaToCubemap: input size is wrong";
                return {
                    front: this.CreateCubemapTexture(n, this.FACE_FRONT, e, t, i),
                    back: this.CreateCubemapTexture(n, this.FACE_BACK, e, t, i),
                    left: this.CreateCubemapTexture(n, this.FACE_LEFT, e, t, i),
                    right: this.CreateCubemapTexture(n, this.FACE_RIGHT, e, t, i),
                    up: this.CreateCubemapTexture(n, this.FACE_UP, e, t, i),
                    down: this.CreateCubemapTexture(n, this.FACE_DOWN, e, t, i),
                    size: n,
                    type: a.TEXTURETYPE_FLOAT,
                    format: a.TEXTUREFORMAT_RGB,
                    gammaSpace: !1
                }
            }
            ,
            e.CreateCubemapTexture = function(e, t, i, n, r) {
                for (var o = new ArrayBuffer(e * e * 4 * 3), a = new Float32Array(o), s = t[1].subtract(t[0]).scale(1 / e), l = t[3].subtract(t[2]).scale(1 / e), c = 1 / e, u = 0, h = 0; h < e; h++) {
                    for (var d = t[0], p = t[2], f = 0; f < e; f++) {
                        var _ = p.subtract(d).scale(u).add(d);
                        _.normalize();
                        var m = this.CalcProjectionSpherical(_, i, n, r);
                        a[h * e * 3 + 3 * f + 0] = m.r,
                        a[h * e * 3 + 3 * f + 1] = m.g,
                        a[h * e * 3 + 3 * f + 2] = m.b,
                        d = d.add(s),
                        p = p.add(l)
                    }
                    u += c
                }
                return a
            }
            ,
            e.CalcProjectionSpherical = function(e, t, i, n) {
                for (var r = Math.atan2(e.z, e.x), o = Math.acos(e.y); r < -Math.PI; )
                    r += 2 * Math.PI;
                for (; r > Math.PI; )
                    r -= 2 * Math.PI;
                var a = r / Math.PI
                  , s = o / Math.PI;
                a = .5 * a + .5;
                var l = Math.round(a * i);
                l < 0 ? l = 0 : l >= i && (l = i - 1);
                var c = Math.round(s * n);
                c < 0 ? c = 0 : c >= n && (c = n - 1);
                var u = n - c - 1;
                return {
                    r: t[u * i * 3 + 3 * l + 0],
                    g: t[u * i * 3 + 3 * l + 1],
                    b: t[u * i * 3 + 3 * l + 2]
                }
            }
            ,
            e.FACE_LEFT = [new x(-1,-1,-1), new x(1,-1,-1), new x(-1,1,-1), new x(1,1,-1)],
            e.FACE_RIGHT = [new x(1,-1,1), new x(-1,-1,1), new x(1,1,1), new x(-1,1,1)],
            e.FACE_FRONT = [new x(1,-1,-1), new x(1,-1,1), new x(1,1,-1), new x(1,1,1)],
            e.FACE_BACK = [new x(-1,-1,1), new x(-1,-1,-1), new x(-1,1,1), new x(-1,1,-1)],
            e.FACE_DOWN = [new x(1,1,-1), new x(1,1,1), new x(-1,1,-1), new x(-1,1,1)],
            e.FACE_UP = [new x(-1,-1,-1), new x(-1,-1,1), new x(1,-1,-1), new x(1,-1,1)],
            e
        }()
          , v_ = function() {
            function e() {}
            return e._Ldexp = function(e, t) {
                return t > 1023 ? e * Math.pow(2, 1023) * Math.pow(2, t - 1023) : t < -1074 ? e * Math.pow(2, -1074) * Math.pow(2, t + 1074) : e * Math.pow(2, t)
            }
            ,
            e._Rgbe2float = function(e, t, i, n, r, o) {
                r > 0 ? (r = this._Ldexp(1, r - 136),
                e[o + 0] = t * r,
                e[o + 1] = i * r,
                e[o + 2] = n * r) : (e[o + 0] = 0,
                e[o + 1] = 0,
                e[o + 2] = 0)
            }
            ,
            e._ReadStringLine = function(e, t) {
                for (var i = "", n = "", r = t; r < e.length - t && "\n" != (n = String.fromCharCode(e[r])); r++)
                    i += n;
                return i
            }
            ,
            e.RGBE_ReadHeader = function(e) {
                var t, i, n = this._ReadStringLine(e, 0);
                if ("#" != n[0] || "?" != n[1])
                    throw "Bad HDR Format.";
                var r = !1
                  , o = !1
                  , a = 0;
                do {
                    a += n.length + 1,
                    "FORMAT=32-bit_rle_rgbe" == (n = this._ReadStringLine(e, a)) ? o = !0 : 0 == n.length && (r = !0)
                } while (!r);
                if (!o)
                    throw "HDR Bad header format, unsupported FORMAT";
                a += n.length + 1,
                n = this._ReadStringLine(e, a);
                var s = /^-Y (.*) \+X (.*)$/g.exec(n);
                if (!s || s.length < 3)
                    throw "HDR Bad header format, no size";
                if (i = parseInt(s[2]),
                t = parseInt(s[1]),
                i < 8 || i > 32767)
                    throw "HDR Bad header format, unsupported size";
                return {
                    height: t,
                    width: i,
                    dataPosition: a += n.length + 1
                }
            }
            ,
            e.GetCubeMapTextureData = function(e, t) {
                var i = new Uint8Array(e)
                  , n = this.RGBE_ReadHeader(i)
                  , r = this.RGBE_ReadPixels(i, n);
                return g_.ConvertPanoramaToCubemap(r, n.width, n.height, t)
            }
            ,
            e.RGBE_ReadPixels = function(e, t) {
                return this._RGBEReadPixelsRLE(e, t)
            }
            ,
            e._RGBEReadPixelsRLE = function(e, t) {
                for (var i, n, r, o, a, s = t.height, l = t.width, c = t.dataPosition, u = 0, h = 0, d = 0, p = new ArrayBuffer(4 * l), f = new Uint8Array(p), _ = new ArrayBuffer(t.width * t.height * 4 * 3), m = new Float32Array(_); s > 0; ) {
                    if (i = e[c++],
                    n = e[c++],
                    r = e[c++],
                    o = e[c++],
                    2 != i || 2 != n || 128 & r || t.width < 8 || t.width > 32767)
                        return this._RGBEReadPixelsNOTRLE(e, t);
                    if ((r << 8 | o) != l)
                        throw "HDR Bad header format, wrong scan line width";
                    for (u = 0,
                    d = 0; d < 4; d++)
                        for (h = (d + 1) * l; u < h; )
                            if (i = e[c++],
                            n = e[c++],
                            i > 128) {
                                if (0 == (a = i - 128) || a > h - u)
                                    throw "HDR Bad Format, bad scanline data (run)";
                                for (; a-- > 0; )
                                    f[u++] = n
                            } else {
                                if (0 == (a = i) || a > h - u)
                                    throw "HDR Bad Format, bad scanline data (non-run)";
                                if (f[u++] = n,
                                --a > 0)
                                    for (var g = 0; g < a; g++)
                                        f[u++] = e[c++]
                            }
                    for (d = 0; d < l; d++)
                        i = f[d],
                        n = f[d + l],
                        r = f[d + 2 * l],
                        o = f[d + 3 * l],
                        this._Rgbe2float(m, i, n, r, o, (t.height - s) * l * 3 + 3 * d);
                    s--
                }
                return m
            }
            ,
            e._RGBEReadPixelsNOTRLE = function(e, t) {
                for (var i, n, r, o, a, s = t.height, l = t.width, c = t.dataPosition, u = new ArrayBuffer(t.width * t.height * 4 * 3), h = new Float32Array(u); s > 0; ) {
                    for (a = 0; a < t.width; a++)
                        i = e[c++],
                        n = e[c++],
                        r = e[c++],
                        o = e[c++],
                        this._Rgbe2float(h, i, n, r, o, (t.height - s) * l * 3 + 3 * a);
                    s--
                }
                return h
            }
            ,
            e
        }()
          , y_ = function() {
            function e(t, i) {
                var n;
                void 0 === i && (i = e._DefaultOptions);
                var r = this;
                this._engine = t,
                this._fullscreenViewport = new xr(0,0,1,1),
                i = V(V({}, e._DefaultOptions), i),
                this._vertexBuffers = ((n = {})[Bi.PositionKind] = new Bi(t,i.positions,Bi.PositionKind,!1,!1,2),
                n),
                this._indexBuffer = t.createIndexBuffer(i.indices),
                this._onContextRestoredObserver = t.onContextRestoredObservable.add((function() {
                    for (var e in r._indexBuffer = t.createIndexBuffer(i.indices),
                    r._vertexBuffers)
                        r._vertexBuffers[e]._rebuild()
                }
                ))
            }
            return e.prototype.setViewport = function(e) {
                void 0 === e && (e = this._fullscreenViewport),
                this._engine.setViewport(e)
            }
            ,
            e.prototype.bindBuffers = function(e) {
                this._engine.bindBuffers(this._vertexBuffers, this._indexBuffer, e)
            }
            ,
            e.prototype.applyEffectWrapper = function(e) {
                this._engine.depthCullingState.depthTest = !1,
                this._engine.stencilState.stencilTest = !1,
                this._engine.enableEffect(e._drawWrapper),
                this.bindBuffers(e.effect),
                e.onApplyObservable.notifyObservers({})
            }
            ,
            e.prototype.restoreStates = function() {
                this._engine.depthCullingState.depthTest = !0,
                this._engine.stencilState.stencilTest = !0
            }
            ,
            e.prototype.draw = function() {
                this._engine.drawElementsType(a.MATERIAL_TriangleFillMode, 0, 6)
            }
            ,
            e.prototype._isRenderTargetTexture = function(e) {
                return void 0 !== e.renderTarget
            }
            ,
            e.prototype.render = function(e, t) {
                if (void 0 === t && (t = null),
                e.effect.isReady()) {
                    this.setViewport();
                    var i = null === t ? null : this._isRenderTargetTexture(t) ? t.renderTarget : t;
                    i && this._engine.bindFramebuffer(i),
                    this.applyEffectWrapper(e),
                    this.draw(),
                    i && this._engine.unBindFramebuffer(i),
                    this.restoreStates()
                }
            }
            ,
            e.prototype.dispose = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && (e.dispose(),
                delete this._vertexBuffers[Bi.PositionKind]),
                this._indexBuffer && this._engine._releaseBuffer(this._indexBuffer),
                this._onContextRestoredObserver && (this._engine.onContextRestoredObservable.remove(this._onContextRestoredObserver),
                this._onContextRestoredObserver = null)
            }
            ,
            e._DefaultOptions = {
                positions: [1, 1, -1, 1, -1, -1, 1, -1],
                indices: [0, 1, 2, 0, 2, 3]
            },
            e
        }()
          , b_ = function() {
            function e(e) {
                var t, i = this;
                this.onApplyObservable = new h;
                var n = e.uniformNames || [];
                e.vertexShader ? t = {
                    fragmentSource: e.fragmentShader,
                    vertexSource: e.vertexShader,
                    spectorName: e.name || "effectWrapper"
                } : (n.push("scale"),
                t = {
                    fragmentSource: e.fragmentShader,
                    vertex: "postprocess",
                    spectorName: e.name || "effectWrapper"
                },
                this.onApplyObservable.add((function() {
                    i.effect.setFloat2("scale", 1, 1)
                }
                )));
                var r = e.defines ? e.defines.join("\n") : "";
                this._drawWrapper = new Gt(e.engine),
                e.useShaderStore ? (t.fragment = t.fragmentSource,
                t.vertex || (t.vertex = t.vertexSource),
                delete t.fragmentSource,
                delete t.vertexSource,
                this.effect = e.engine.createEffect(t, e.attributeNames || ["position"], n, e.samplerNames, r, void 0, e.onCompiled, void 0, void 0, e.shaderLanguage)) : (this.effect = new Mt(t,e.attributeNames || ["position"],n,e.samplerNames,e.engine,r,void 0,e.onCompiled,void 0,void 0,void 0,e.shaderLanguage),
                this._onContextRestoredObserver = e.engine.onContextRestoredObservable.add((function() {
                    i.effect._pipelineContext = null,
                    i.effect._wasPreviouslyReady = !1,
                    i.effect._prepareEffect()
                }
                )))
            }
            return Object.defineProperty(e.prototype, "effect", {
                get: function() {
                    return this._drawWrapper.effect
                },
                set: function(e) {
                    this._drawWrapper.effect = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this._onContextRestoredObserver && (this.effect.getEngine().onContextRestoredObservable.remove(this._onContextRestoredObserver),
                this._onContextRestoredObserver = null),
                this.effect.dispose()
            }
            ,
            e
        }();
        Pt.ShadersStore.hdrFilteringVertexShader = "attribute vec2 position;\nvarying vec3 direction;\nuniform vec3 up;\nuniform vec3 right;\nuniform vec3 front;\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nmat3 view=mat3(up,right,front);\ndirection=view*vec3(position,1.0);\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        Pt.ShadersStore.hdrFilteringPixelShader = "#include<helperFunctions>\n#include<importanceSampling>\n#include<pbrBRDFFunctions>\n#include<hdrFilteringFunctions>\nuniform float alphaG;\nuniform samplerCube inputTexture;\nuniform vec2 vFilteringInfo;\nuniform float hdrScale;\nvarying vec3 direction;\nvoid main() {\nvec3 color=radiance(alphaG,inputTexture,direction,vFilteringInfo);\ngl_FragColor=vec4(color*hdrScale,1.0);\n}";
        var T_ = function() {
            function e(e, t) {
                void 0 === t && (t = {}),
                this._lodGenerationOffset = 0,
                this._lodGenerationScale = .8,
                this.quality = a.TEXTURE_FILTERING_QUALITY_OFFLINE,
                this.hdrScale = 1,
                this._engine = e,
                this.hdrScale = t.hdrScale || this.hdrScale,
                this.quality = t.hdrScale || this.quality
            }
            return e.prototype._createRenderTarget = function(e) {
                var t = a.TEXTURETYPE_UNSIGNED_BYTE;
                this._engine.getCaps().textureHalfFloatRender ? t = a.TEXTURETYPE_HALF_FLOAT : this._engine.getCaps().textureFloatRender && (t = a.TEXTURETYPE_FLOAT);
                var i = this._engine.createRenderTargetCubeTexture(e, {
                    format: a.TEXTUREFORMAT_RGBA,
                    type: t,
                    createMipMaps: !0,
                    generateMipMaps: !1,
                    generateDepthBuffer: !1,
                    generateStencilBuffer: !1,
                    samplingMode: a.TEXTURE_NEAREST_SAMPLINGMODE
                });
                return this._engine.updateTextureWrappingMode(i.texture, a.TEXTURE_CLAMP_ADDRESSMODE, a.TEXTURE_CLAMP_ADDRESSMODE, a.TEXTURE_CLAMP_ADDRESSMODE),
                this._engine.updateTextureSamplingMode(a.TEXTURE_TRILINEAR_SAMPLINGMODE, i.texture, !0),
                i
            }
            ,
            e.prototype._prefilterInternal = function(e) {
                var t = e.getSize().width
                  , i = d.ILog2(t) + 1
                  , n = this._effectWrapper.effect
                  , r = this._createRenderTarget(t);
                this._effectRenderer.setViewport();
                var o = e.getInternalTexture();
                o && this._engine.updateTextureSamplingMode(a.TEXTURE_TRILINEAR_SAMPLINGMODE, o, !0),
                this._effectRenderer.applyEffectWrapper(this._effectWrapper);
                var s = [[new x(0,0,-1), new x(0,-1,0), new x(1,0,0)], [new x(0,0,1), new x(0,-1,0), new x(-1,0,0)], [new x(1,0,0), new x(0,0,1), new x(0,1,0)], [new x(1,0,0), new x(0,0,-1), new x(0,-1,0)], [new x(1,0,0), new x(0,-1,0), new x(0,0,1)], [new x(-1,0,0), new x(0,-1,0), new x(0,0,-1)]];
                n.setFloat("hdrScale", this.hdrScale),
                n.setFloat2("vFilteringInfo", e.getSize().width, i),
                n.setTexture("inputTexture", e);
                for (var l = 0; l < 6; l++) {
                    n.setVector3("up", s[l][0]),
                    n.setVector3("right", s[l][1]),
                    n.setVector3("front", s[l][2]);
                    for (var c = 0; c < i; c++) {
                        this._engine.bindFramebuffer(r, l, void 0, void 0, !0, c),
                        this._effectRenderer.applyEffectWrapper(this._effectWrapper);
                        var u = Math.pow(2, (c - this._lodGenerationOffset) / this._lodGenerationScale) / t;
                        0 === c && (u = 0),
                        n.setFloat("alphaG", u),
                        this._effectRenderer.draw()
                    }
                }
                return this._effectRenderer.restoreStates(),
                this._engine.restoreDefaultFramebuffer(),
                this._engine._releaseTexture(e._texture),
                r._swapAndDie(e._texture),
                e._prefiltered = !0,
                e
            }
            ,
            e.prototype._createEffect = function(e, t) {
                var i = [];
                return e.gammaSpace && i.push("#define GAMMA_INPUT"),
                i.push("#define NUM_SAMPLES " + this.quality + "u"),
                new b_({
                    engine: this._engine,
                    name: "hdrFiltering",
                    vertexShader: "hdrFiltering",
                    fragmentShader: "hdrFiltering",
                    samplerNames: ["inputTexture"],
                    uniformNames: ["vSampleDirections", "vWeights", "up", "right", "front", "vFilteringInfo", "hdrScale", "alphaG"],
                    useShaderStore: !0,
                    defines: i,
                    onCompiled: t
                })
            }
            ,
            e.prototype.isReady = function(e) {
                return e.isReady() && this._effectWrapper.effect.isReady()
            }
            ,
            e.prototype.prefilter = function(e, t) {
                var i = this;
                return void 0 === t && (t = null),
                this._engine._features.allowTexturePrefiltering ? new Promise((function(n) {
                    i._effectRenderer = new y_(i._engine),
                    i._effectWrapper = i._createEffect(e),
                    i._effectWrapper.effect.executeWhenCompiled((function() {
                        i._prefilterInternal(e),
                        i._effectRenderer.dispose(),
                        i._effectWrapper.dispose(),
                        n(),
                        t && t()
                    }
                    ))
                }
                )) : (K.Warn("HDR prefiltering is not available in WebGL 1., you can use real time filtering instead."),
                Promise.reject("HDR prefiltering is not available in WebGL 1., you can use real time filtering instead."))
            }
            ,
            e
        }()
          , E_ = function(e) {
            function t(t, i, n, r, o, s, l, c, u) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0),
                void 0 === s && (s = !1),
                void 0 === l && (l = !1),
                void 0 === c && (c = null),
                void 0 === u && (u = null);
                var d, p = this;
                return (p = e.call(this, i) || this)._generateHarmonics = !0,
                p._onError = null,
                p._isBlocking = !0,
                p._rotationY = 0,
                p.boundingBoxPosition = x.Zero(),
                p.onLoadObservable = new h,
                t ? (p._coordinatesMode = io.CUBIC_MODE,
                p.name = t,
                p.url = t,
                p.hasAlpha = !1,
                p.isCube = !0,
                p._textureMatrix = P.Identity(),
                p._prefilterOnLoad = l,
                p._onLoad = function() {
                    p.onLoadObservable.notifyObservers(p),
                    c && c()
                }
                ,
                p._onError = u,
                p.gammaSpace = s,
                p._noMipmap = r,
                p._size = n,
                p._generateHarmonics = o,
                p._texture = p._getFromCache(t, p._noMipmap),
                p._texture ? p._texture.isReady ? gi.SetImmediate((function() {
                    return p._onLoad()
                }
                )) : p._texture.onLoadedObservable.add(p._onLoad) : (null === (d = p.getScene()) || void 0 === d ? void 0 : d.useDelayedTextureLoading) ? p.delayLoadState = a.DELAYLOADSTATE_NOTLOADED : p._loadTexture(),
                p) : p
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "isBlocking", {
                get: function() {
                    return this._isBlocking
                },
                set: function(e) {
                    this._isBlocking = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationY", {
                get: function() {
                    return this._rotationY
                },
                set: function(e) {
                    this._rotationY = e,
                    this.setReflectionTextureMatrix(P.RotationY(this._rotationY))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "boundingBoxSize", {
                get: function() {
                    return this._boundingBoxSize
                },
                set: function(e) {
                    if (!this._boundingBoxSize || !this._boundingBoxSize.equals(e)) {
                        this._boundingBoxSize = e;
                        var t = this.getScene();
                        t && t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "HDRCubeTexture"
            }
            ,
            t.prototype._loadTexture = function() {
                var e = this
                  , i = this._getEngine()
                  , n = i.getCaps()
                  , r = a.TEXTURETYPE_UNSIGNED_BYTE;
                if (n.textureFloat && n.textureFloatLinearFiltering ? r = a.TEXTURETYPE_FLOAT : n.textureHalfFloat && n.textureHalfFloatLinearFiltering && (r = a.TEXTURETYPE_HALF_FLOAT),
                i._features.allowTexturePrefiltering && this._prefilterOnLoad) {
                    var o = this._onLoad
                      , s = new T_(i);
                    this._onLoad = function() {
                        s.prefilter(e, o)
                    }
                }
                this._texture = i.createRawCubeTextureFromUrl(this.url, this.getScene(), this._size, a.TEXTUREFORMAT_RGB, r, this._noMipmap, (function(i) {
                    e.lodGenerationOffset = 0,
                    e.lodGenerationScale = .8;
                    var n = v_.GetCubeMapTextureData(i, e._size);
                    if (e._generateHarmonics) {
                        var o = wc.ConvertCubeMapToSphericalPolynomial(n);
                        e.sphericalPolynomial = o
                    }
                    for (var s = [], l = null, c = null, u = 0; u < 6; u++) {
                        r === a.TEXTURETYPE_HALF_FLOAT ? c = new Uint16Array(e._size * e._size * 3) : r === a.TEXTURETYPE_UNSIGNED_BYTE && (l = new Uint8Array(e._size * e._size * 3));
                        var h = n[t._FacesMapping[u]];
                        if (e.gammaSpace || c || l)
                            for (var d = 0; d < e._size * e._size; d++)
                                if (e.gammaSpace && (h[3 * d + 0] = Math.pow(h[3 * d + 0], p),
                                h[3 * d + 1] = Math.pow(h[3 * d + 1], p),
                                h[3 * d + 2] = Math.pow(h[3 * d + 2], p)),
                                c && (c[3 * d + 0] = Oc(h[3 * d + 0]),
                                c[3 * d + 1] = Oc(h[3 * d + 1]),
                                c[3 * d + 2] = Oc(h[3 * d + 2])),
                                l) {
                                    var f = Math.max(255 * h[3 * d + 0], 0)
                                      , _ = Math.max(255 * h[3 * d + 1], 0)
                                      , m = Math.max(255 * h[3 * d + 2], 0)
                                      , g = Math.max(Math.max(f, _), m);
                                    if (g > 255) {
                                        var v = 255 / g;
                                        f *= v,
                                        _ *= v,
                                        m *= v
                                    }
                                    l[3 * d + 0] = f,
                                    l[3 * d + 1] = _,
                                    l[3 * d + 2] = m
                                }
                        c ? s.push(c) : l ? s.push(l) : s.push(h)
                    }
                    return s
                }
                ), null, this._onLoad, this._onError)
            }
            ,
            t.prototype.clone = function() {
                var e = new t(this.url,this.getScene() || this._getEngine(),this._size,this._noMipmap,this._generateHarmonics,this.gammaSpace);
                return e.level = this.level,
                e.wrapU = this.wrapU,
                e.wrapV = this.wrapV,
                e.coordinatesIndex = this.coordinatesIndex,
                e.coordinatesMode = this.coordinatesMode,
                e
            }
            ,
            t.prototype.delayLoad = function() {
                this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED && (this.delayLoadState = a.DELAYLOADSTATE_LOADED,
                this._texture = this._getFromCache(this.url, this._noMipmap),
                this._texture || this._loadTexture())
            }
            ,
            t.prototype.getReflectionTextureMatrix = function() {
                return this._textureMatrix
            }
            ,
            t.prototype.setReflectionTextureMatrix = function(e) {
                var t, i = this;
                this._textureMatrix = e,
                e.updateFlag !== this._textureMatrix.updateFlag && e.isIdentity() !== this._textureMatrix.isIdentity() && (null === (t = this.getScene()) || void 0 === t || t.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                    return -1 !== e.getActiveTextures().indexOf(i)
                }
                )))
            }
            ,
            t.prototype.dispose = function() {
                this.onLoadObservable.clear(),
                e.prototype.dispose.call(this)
            }
            ,
            t.Parse = function(e, i, n) {
                var r = null;
                return e.name && !e.isRenderTarget && ((r = new t(n + e.name,i,e.size,e.noMipmap,e.generateHarmonics,e.useInGammaSpace)).name = e.name,
                r.hasAlpha = e.hasAlpha,
                r.level = e.level,
                r.coordinatesMode = e.coordinatesMode,
                r.isBlocking = e.isBlocking),
                r && (e.boundingBoxPosition && (r.boundingBoxPosition = x.FromArray(e.boundingBoxPosition)),
                e.boundingBoxSize && (r.boundingBoxSize = x.FromArray(e.boundingBoxSize)),
                e.rotationY && (r.rotationY = e.rotationY)),
                r
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var e = {};
                return e.name = this.name,
                e.hasAlpha = this.hasAlpha,
                e.isCube = !0,
                e.level = this.level,
                e.size = this._size,
                e.coordinatesMode = this.coordinatesMode,
                e.useInGammaSpace = this.gammaSpace,
                e.generateHarmonics = this._generateHarmonics,
                e.customType = "BABYLON.HDRCubeTexture",
                e.noMipmap = this._noMipmap,
                e.isBlocking = this._isBlocking,
                e.rotationY = this._rotationY,
                e
            }
            ,
            t._FacesMapping = ["right", "left", "up", "down", "front", "back"],
            t
        }(Zr);
        y("BABYLON.HDRCubeTexture", E_);
        var S_ = function() {
            function e(e, t, i) {
                void 0 === t && (t = 0),
                void 0 === i && (i = null),
                this.name = e,
                this.animations = new Array,
                this._positions = null,
                this._normals = null,
                this._tangents = null,
                this._uvs = null,
                this._uniqueId = 0,
                this.onInfluenceChanged = new h,
                this._onDataLayoutChanged = new h,
                this._animationPropertiesOverride = null,
                this._scene = i || E.LastCreatedScene,
                this.influence = t,
                this._scene && (this._uniqueId = this._scene.getUniqueId())
            }
            return Object.defineProperty(e.prototype, "influence", {
                get: function() {
                    return this._influence
                },
                set: function(e) {
                    if (this._influence !== e) {
                        var t = this._influence;
                        this._influence = e,
                        this.onInfluenceChanged.hasObservers() && this.onInfluenceChanged.notifyObservers(0 === t || 0 === e)
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "animationPropertiesOverride", {
                get: function() {
                    return !this._animationPropertiesOverride && this._scene ? this._scene.animationPropertiesOverride : this._animationPropertiesOverride
                },
                set: function(e) {
                    this._animationPropertiesOverride = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "uniqueId", {
                get: function() {
                    return this._uniqueId
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasPositions", {
                get: function() {
                    return !!this._positions
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasNormals", {
                get: function() {
                    return !!this._normals
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasTangents", {
                get: function() {
                    return !!this._tangents
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hasUVs", {
                get: function() {
                    return !!this._uvs
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setPositions = function(e) {
                var t = this.hasPositions;
                this._positions = e,
                t !== this.hasPositions && this._onDataLayoutChanged.notifyObservers(void 0)
            }
            ,
            e.prototype.getPositions = function() {
                return this._positions
            }
            ,
            e.prototype.setNormals = function(e) {
                var t = this.hasNormals;
                this._normals = e,
                t !== this.hasNormals && this._onDataLayoutChanged.notifyObservers(void 0)
            }
            ,
            e.prototype.getNormals = function() {
                return this._normals
            }
            ,
            e.prototype.setTangents = function(e) {
                var t = this.hasTangents;
                this._tangents = e,
                t !== this.hasTangents && this._onDataLayoutChanged.notifyObservers(void 0)
            }
            ,
            e.prototype.getTangents = function() {
                return this._tangents
            }
            ,
            e.prototype.setUVs = function(e) {
                var t = this.hasUVs;
                this._uvs = e,
                t !== this.hasUVs && this._onDataLayoutChanged.notifyObservers(void 0)
            }
            ,
            e.prototype.getUVs = function() {
                return this._uvs
            }
            ,
            e.prototype.clone = function() {
                var t = this
                  , i = Ge.Clone((function() {
                    return new e(t.name,t.influence,t._scene)
                }
                ), this);
                return i._positions = this._positions,
                i._normals = this._normals,
                i._tangents = this._tangents,
                i._uvs = this._uvs,
                i
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                return e.name = this.name,
                e.influence = this.influence,
                e.positions = Array.prototype.slice.call(this.getPositions()),
                null != this.id && (e.id = this.id),
                this.hasNormals && (e.normals = Array.prototype.slice.call(this.getNormals())),
                this.hasTangents && (e.tangents = Array.prototype.slice.call(this.getTangents())),
                this.hasUVs && (e.uvs = Array.prototype.slice.call(this.getUVs())),
                Ge.AppendSerializedAnimations(this, e),
                e
            }
            ,
            e.prototype.getClassName = function() {
                return "MorphTarget"
            }
            ,
            e.Parse = function(t, i) {
                var n = new e(t.name,t.influence);
                if (n.setPositions(t.positions),
                null != t.id && (n.id = t.id),
                t.normals && n.setNormals(t.normals),
                t.tangents && n.setTangents(t.tangents),
                t.uvs && n.setUVs(t.uvs),
                t.animations) {
                    for (var r = 0; r < t.animations.length; r++) {
                        var o = t.animations[r]
                          , a = b("BABYLON.Animation");
                        a && n.animations.push(a.Parse(o))
                    }
                    t.autoAnimate && i && i.beginAnimation(n, t.autoAnimateFrom, t.autoAnimateTo, t.autoAnimateLoop, t.autoAnimateSpeed || 1)
                }
                return n
            }
            ,
            e.FromMesh = function(t, i, n) {
                i || (i = t.name);
                var r = new e(i,n,t.getScene());
                return r.setPositions(t.getVerticesData(Bi.PositionKind)),
                t.isVerticesDataPresent(Bi.NormalKind) && r.setNormals(t.getVerticesData(Bi.NormalKind)),
                t.isVerticesDataPresent(Bi.TangentKind) && r.setTangents(t.getVerticesData(Bi.TangentKind)),
                t.isVerticesDataPresent(Bi.UVKind) && r.setUVs(t.getVerticesData(Bi.UVKind)),
                r
            }
            ,
            k([Ce()], e.prototype, "id", void 0),
            e
        }()
          , A_ = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === l && (l = !0),
                void 0 === c && (c = !1),
                void 0 === u && (u = io.TRILINEAR_SAMPLINGMODE),
                void 0 === h && (h = a.TEXTURETYPE_UNSIGNED_INT);
                var d = e.call(this, null, s, !l, c) || this;
                return d.format = o,
                d._texture = s.getEngine().createRawTexture2DArray(t, i, n, r, o, l, c, u, null, h),
                d._depth = r,
                d.is2DArray = !0,
                d
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "depth", {
                get: function() {
                    return this._depth
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.update = function(e) {
                this._texture && this._getEngine().updateRawTexture2DArray(this._texture, e, this._texture.format, this._texture.invertY, null, this._texture.type)
            }
            ,
            t.CreateRGBATexture = function(e, i, n, r, o, s, l, c, u) {
                return void 0 === s && (s = !0),
                void 0 === l && (l = !1),
                void 0 === c && (c = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
                new t(e,i,n,r,a.TEXTUREFORMAT_RGBA,o,s,l,c,u)
            }
            ,
            t
        }(io)
          , x_ = function() {
            function e(e) {
                if (void 0 === e && (e = null),
                this._targets = new Array,
                this._targetInfluenceChangedObservers = new Array,
                this._targetDataLayoutChangedObservers = new Array,
                this._activeTargets = new bi(16),
                this._supportsNormals = !1,
                this._supportsTangents = !1,
                this._supportsUVs = !1,
                this._vertexCount = 0,
                this._textureVertexStride = 0,
                this._textureWidth = 0,
                this._textureHeight = 1,
                this._uniqueId = 0,
                this._tempInfluences = new Array,
                this._canUseTextureForTargets = !1,
                this._blockCounter = 0,
                this._parentContainer = null,
                this.optimizeInfluencers = !0,
                this.enableNormalMorphing = !0,
                this.enableTangentMorphing = !0,
                this.enableUVMorphing = !0,
                this._useTextureToStoreTargets = !0,
                e || (e = E.LastCreatedScene),
                this._scene = e,
                this._scene) {
                    this._scene.morphTargetManagers.push(this),
                    this._uniqueId = this._scene.getUniqueId();
                    var t = this._scene.getEngine().getCaps();
                    this._canUseTextureForTargets = t.canUseGLVertexID && t.textureFloat && t.maxVertexTextureImageUnits > 0
                }
            }
            return Object.defineProperty(e.prototype, "areUpdatesFrozen", {
                get: function() {
                    return this._blockCounter > 0
                },
                set: function(e) {
                    e ? this._blockCounter++ : (this._blockCounter--,
                    this._blockCounter <= 0 && (this._blockCounter = 0,
                    this._syncActiveTargets(!0)))
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "uniqueId", {
                get: function() {
                    return this._uniqueId
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "vertexCount", {
                get: function() {
                    return this._vertexCount
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "supportsNormals", {
                get: function() {
                    return this._supportsNormals && this.enableNormalMorphing
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "supportsTangents", {
                get: function() {
                    return this._supportsTangents && this.enableTangentMorphing
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "supportsUVs", {
                get: function() {
                    return this._supportsUVs && this.enableUVMorphing
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "numTargets", {
                get: function() {
                    return this._targets.length
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "numInfluencers", {
                get: function() {
                    return this._activeTargets.length
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "influences", {
                get: function() {
                    return this._influences
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useTextureToStoreTargets", {
                get: function() {
                    return this._useTextureToStoreTargets
                },
                set: function(e) {
                    this._useTextureToStoreTargets = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isUsingTextureForTargets", {
                get: function() {
                    return e.EnableTextureStorage && this.useTextureToStoreTargets && this._canUseTextureForTargets
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getActiveTarget = function(e) {
                return this._activeTargets.data[e]
            }
            ,
            e.prototype.getTarget = function(e) {
                return this._targets[e]
            }
            ,
            e.prototype.addTarget = function(e) {
                var t = this;
                this._targets.push(e),
                this._targetInfluenceChangedObservers.push(e.onInfluenceChanged.add((function(e) {
                    t._syncActiveTargets(e)
                }
                ))),
                this._targetDataLayoutChangedObservers.push(e._onDataLayoutChanged.add((function() {
                    t._syncActiveTargets(!0)
                }
                ))),
                this._syncActiveTargets(!0)
            }
            ,
            e.prototype.removeTarget = function(e) {
                var t = this._targets.indexOf(e);
                t >= 0 && (this._targets.splice(t, 1),
                e.onInfluenceChanged.remove(this._targetInfluenceChangedObservers.splice(t, 1)[0]),
                e._onDataLayoutChanged.remove(this._targetDataLayoutChangedObservers.splice(t, 1)[0]),
                this._syncActiveTargets(!0))
            }
            ,
            e.prototype._bind = function(e) {
                e.setFloat3("morphTargetTextureInfo", this._textureVertexStride, this._textureWidth, this._textureHeight),
                e.setFloatArray("morphTargetTextureIndices", this._morphTargetTextureIndices),
                e.setTexture("morphTargets", this._targetStoreTexture)
            }
            ,
            e.prototype.clone = function() {
                for (var t = new e(this._scene), i = 0, n = this._targets; i < n.length; i++) {
                    var r = n[i];
                    t.addTarget(r.clone())
                }
                return t.enableNormalMorphing = this.enableNormalMorphing,
                t.enableTangentMorphing = this.enableTangentMorphing,
                t.enableUVMorphing = this.enableUVMorphing,
                t
            }
            ,
            e.prototype.serialize = function() {
                var e = {};
                e.id = this.uniqueId,
                e.targets = [];
                for (var t = 0, i = this._targets; t < i.length; t++) {
                    var n = i[t];
                    e.targets.push(n.serialize())
                }
                return e
            }
            ,
            e.prototype._syncActiveTargets = function(e) {
                if (!this.areUpdatesFrozen) {
                    var t = 0;
                    this._activeTargets.reset(),
                    this._supportsNormals = !0,
                    this._supportsTangents = !0,
                    this._supportsUVs = !0,
                    this._vertexCount = 0,
                    this._morphTargetTextureIndices && this._morphTargetTextureIndices.length === this._targets.length || (this._morphTargetTextureIndices = new Float32Array(this._targets.length));
                    for (var i = -1, n = 0, r = this._targets; n < r.length; n++) {
                        var o = r[n];
                        if (i++,
                        0 !== o.influence || !this.optimizeInfluencers) {
                            this._activeTargets.push(o),
                            this._morphTargetTextureIndices[t] = i,
                            this._tempInfluences[t++] = o.influence,
                            this._supportsNormals = this._supportsNormals && o.hasNormals,
                            this._supportsTangents = this._supportsTangents && o.hasTangents,
                            this._supportsUVs = this._supportsUVs && o.hasUVs;
                            var a = o.getPositions();
                            if (a) {
                                var s = a.length / 3;
                                if (0 === this._vertexCount)
                                    this._vertexCount = s;
                                else if (this._vertexCount !== s)
                                    return void K.Error("Incompatible target. Targets must all have the same vertices count.")
                            }
                        }
                    }
                    this._influences && this._influences.length === t || (this._influences = new Float32Array(t));
                    for (var l = 0; l < t; l++)
                        this._influences[l] = this._tempInfluences[l];
                    e && this.synchronize()
                }
            }
            ,
            e.prototype.synchronize = function() {
                if (this._scene && !this.areUpdatesFrozen) {
                    if (this.isUsingTextureForTargets && this._vertexCount) {
                        this._textureVertexStride = 1,
                        this._supportsNormals && this._textureVertexStride++,
                        this._supportsTangents && this._textureVertexStride++,
                        this._supportsUVs && this._textureVertexStride++,
                        this._textureWidth = this._vertexCount * this._textureVertexStride,
                        this._textureHeight = 1;
                        var e = this._scene.getEngine().getCaps().maxTextureSize;
                        this._textureWidth > e && (this._textureHeight = Math.ceil(this._textureWidth / e),
                        this._textureWidth = e);
                        var t = !0;
                        if (this._targetStoreTexture) {
                            var i = this._targetStoreTexture.getSize();
                            i.width === this._textureWidth && i.height === this._textureHeight && this._targetStoreTexture.depth === this._targets.length && (t = !1)
                        }
                        if (t) {
                            this._targetStoreTexture && this._targetStoreTexture.dispose();
                            for (var n = this._targets.length, r = new Float32Array(n * this._textureWidth * this._textureHeight * 4), o = 0, s = 0; s < n; s++) {
                                var l = this._targets[s]
                                  , c = l.getPositions()
                                  , u = l.getNormals()
                                  , h = l.getUVs()
                                  , d = l.getTangents();
                                if (!c)
                                    return void (0 === s && K.Error("Invalid morph target. Target must have positions."));
                                o = s * this._textureWidth * this._textureHeight * 4;
                                for (var p = 0; p < this._vertexCount; p++)
                                    r[o] = c[3 * p],
                                    r[o + 1] = c[3 * p + 1],
                                    r[o + 2] = c[3 * p + 2],
                                    o += 4,
                                    u && (r[o] = u[3 * p],
                                    r[o + 1] = u[3 * p + 1],
                                    r[o + 2] = u[3 * p + 2],
                                    o += 4),
                                    h && (r[o] = h[2 * p],
                                    r[o + 1] = h[2 * p + 1],
                                    o += 4),
                                    d && (r[o] = d[3 * p],
                                    r[o + 1] = d[3 * p + 1],
                                    r[o + 2] = d[3 * p + 2],
                                    o += 4)
                            }
                            this._targetStoreTexture = A_.CreateRGBATexture(r, this._textureWidth, this._textureHeight, n, this._scene, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE, a.TEXTURETYPE_FLOAT)
                        }
                    }
                    for (var f = 0, _ = this._scene.meshes; f < _.length; f++) {
                        var m = _[f];
                        m.morphTargetManager === this && m._syncGeometryWithMorphTargetManager()
                    }
                }
            }
            ,
            e.prototype.dispose = function() {
                if (this._targetStoreTexture && this._targetStoreTexture.dispose(),
                this._targetStoreTexture = null,
                this._scene && (this._scene.removeMorphTargetManager(this),
                this._parentContainer)) {
                    var e = this._parentContainer.morphTargetManagers.indexOf(this);
                    e > -1 && this._parentContainer.morphTargetManagers.splice(e, 1),
                    this._parentContainer = null
                }
            }
            ,
            e.Parse = function(t, i) {
                var n = new e(i);
                n._uniqueId = t.id;
                for (var r = 0, o = t.targets; r < o.length; r++) {
                    var a = o[r];
                    n.addTarget(S_.Parse(a, i))
                }
                return n
            }
            ,
            e.EnableTextureStorage = !0,
            e
        }()
          , R_ = function() {
            function e(t, i) {
                if (void 0 === i && (i = e.DefaultPluginFactory()),
                this._physicsPlugin = i,
                this._impostors = [],
                this._joints = [],
                this._subTimeStep = 0,
                this._uniqueIdCounter = 0,
                !this._physicsPlugin.isSupported())
                    throw new Error("Physics Engine " + this._physicsPlugin.name + " cannot be found. Please make sure it is included.");
                t = t || new x(0,-9.807,0),
                this.setGravity(t),
                this.setTimeStep()
            }
            return e.DefaultPluginFactory = function() {
                throw be("CannonJSPlugin")
            }
            ,
            e.prototype.setGravity = function(e) {
                this.gravity = e,
                this._physicsPlugin.setGravity(this.gravity)
            }
            ,
            e.prototype.setTimeStep = function(e) {
                void 0 === e && (e = 1 / 60),
                this._physicsPlugin.setTimeStep(e)
            }
            ,
            e.prototype.getTimeStep = function() {
                return this._physicsPlugin.getTimeStep()
            }
            ,
            e.prototype.setSubTimeStep = function(e) {
                void 0 === e && (e = 0),
                this._subTimeStep = e
            }
            ,
            e.prototype.getSubTimeStep = function() {
                return this._subTimeStep
            }
            ,
            e.prototype.dispose = function() {
                this._impostors.forEach((function(e) {
                    e.dispose()
                }
                )),
                this._physicsPlugin.dispose()
            }
            ,
            e.prototype.getPhysicsPluginName = function() {
                return this._physicsPlugin.name
            }
            ,
            e.prototype.addImpostor = function(e) {
                this._impostors.push(e),
                e.uniqueId = this._uniqueIdCounter++,
                e.parent || this._physicsPlugin.generatePhysicsBody(e)
            }
            ,
            e.prototype.removeImpostor = function(e) {
                var t = this._impostors.indexOf(e);
                t > -1 && this._impostors.splice(t, 1).length && this.getPhysicsPlugin().removePhysicsBody(e)
            }
            ,
            e.prototype.addJoint = function(e, t, i) {
                var n = {
                    mainImpostor: e,
                    connectedImpostor: t,
                    joint: i
                };
                i.physicsPlugin = this._physicsPlugin,
                this._joints.push(n),
                this._physicsPlugin.generateJoint(n)
            }
            ,
            e.prototype.removeJoint = function(e, t, i) {
                var n = this._joints.filter((function(n) {
                    return n.connectedImpostor === t && n.joint === i && n.mainImpostor === e
                }
                ));
                n.length && this._physicsPlugin.removeJoint(n[0])
            }
            ,
            e.prototype._step = function(e) {
                var t = this;
                this._impostors.forEach((function(e) {
                    e.isBodyInitRequired() && t._physicsPlugin.generatePhysicsBody(e)
                }
                )),
                e > .1 ? e = .1 : e <= 0 && (e = 1 / 60),
                this._physicsPlugin.executeStep(e, this._impostors)
            }
            ,
            e.prototype.getPhysicsPlugin = function() {
                return this._physicsPlugin
            }
            ,
            e.prototype.getImpostors = function() {
                return this._impostors
            }
            ,
            e.prototype.getImpostorForPhysicsObject = function(e) {
                for (var t = 0; t < this._impostors.length; ++t)
                    if (this._impostors[t].object === e)
                        return this._impostors[t];
                return null
            }
            ,
            e.prototype.getImpostorWithPhysicsBody = function(e) {
                for (var t = 0; t < this._impostors.length; ++t)
                    if (this._impostors[t].physicsBody === e)
                        return this._impostors[t];
                return null
            }
            ,
            e.prototype.raycast = function(e, t) {
                return this._physicsPlugin.raycast(e, t)
            }
            ,
            e.Epsilon = .001,
            e
        }()
          , C_ = function() {
            function e() {
                this._hasHit = !1,
                this._hitDistance = 0,
                this._hitNormalWorld = x.Zero(),
                this._hitPointWorld = x.Zero(),
                this._rayFromWorld = x.Zero(),
                this._rayToWorld = x.Zero()
            }
            return Object.defineProperty(e.prototype, "hasHit", {
                get: function() {
                    return this._hasHit
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hitDistance", {
                get: function() {
                    return this._hitDistance
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hitNormalWorld", {
                get: function() {
                    return this._hitNormalWorld
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "hitPointWorld", {
                get: function() {
                    return this._hitPointWorld
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rayFromWorld", {
                get: function() {
                    return this._rayFromWorld
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rayToWorld", {
                get: function() {
                    return this._rayToWorld
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setHitData = function(e, t) {
                this._hasHit = !0,
                this._hitNormalWorld = new x(e.x,e.y,e.z),
                this._hitPointWorld = new x(t.x,t.y,t.z)
            }
            ,
            e.prototype.setHitDistance = function(e) {
                this._hitDistance = e
            }
            ,
            e.prototype.calculateHitDistance = function() {
                this._hitDistance = x.Distance(this._rayFromWorld, this._hitPointWorld)
            }
            ,
            e.prototype.reset = function(e, t) {
                void 0 === e && (e = x.Zero()),
                void 0 === t && (t = x.Zero()),
                this._rayFromWorld = e,
                this._rayToWorld = t,
                this._hasHit = !1,
                this._hitDistance = 0,
                this._hitNormalWorld = x.Zero(),
                this._hitPointWorld = x.Zero()
            }
            ,
            e
        }()
          , P_ = function() {
            function e(e, t, i) {
                void 0 === e && (e = !0),
                void 0 === t && (t = 10),
                void 0 === i && (i = CANNON),
                this._useDeltaForWorldStep = e,
                this.name = "CannonJSPlugin",
                this._physicsMaterials = new Array,
                this._fixedTimeStep = 1 / 60,
                this._physicsBodysToRemoveAfterStep = new Array,
                this._firstFrame = !0,
                this._tmpQuaternion = new C,
                this._minus90X = new C(-.7071067811865475,0,0,.7071067811865475),
                this._plus90X = new C(.7071067811865475,0,0,.7071067811865475),
                this._tmpPosition = x.Zero(),
                this._tmpDeltaPosition = x.Zero(),
                this._tmpUnityRotation = new C,
                this.BJSCANNON = i,
                this.isSupported() ? (this._extendNamespace(),
                this.world = new this.BJSCANNON.World,
                this.world.broadphase = new this.BJSCANNON.NaiveBroadphase,
                this.world.solver.iterations = t,
                this._cannonRaycastResult = new this.BJSCANNON.RaycastResult,
                this._raycastResult = new C_) : K.Error("CannonJS is not available. Please make sure you included the js file.")
            }
            return e.prototype.setGravity = function(e) {
                var t = e;
                this.world.gravity.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.setTimeStep = function(e) {
                this._fixedTimeStep = e
            }
            ,
            e.prototype.getTimeStep = function() {
                return this._fixedTimeStep
            }
            ,
            e.prototype.executeStep = function(e, t) {
                if (this._firstFrame) {
                    this._firstFrame = !1;
                    for (var i = 0, n = t; i < n.length; i++) {
                        var r = n[i];
                        r.type != Vl.HeightmapImpostor && r.type !== Vl.PlaneImpostor && r.beforeStep()
                    }
                }
                this.world.step(this._useDeltaForWorldStep ? e : this._fixedTimeStep),
                this._removeMarkedPhysicsBodiesFromWorld()
            }
            ,
            e.prototype._removeMarkedPhysicsBodiesFromWorld = function() {
                var e = this;
                this._physicsBodysToRemoveAfterStep.length > 0 && (this._physicsBodysToRemoveAfterStep.forEach((function(t) {
                    "function" == typeof e.world.removeBody ? e.world.removeBody(t) : e.world.remove(t)
                }
                )),
                this._physicsBodysToRemoveAfterStep = [])
            }
            ,
            e.prototype.applyImpulse = function(e, t, i) {
                var n = new this.BJSCANNON.Vec3(i.x,i.y,i.z)
                  , r = new this.BJSCANNON.Vec3(t.x,t.y,t.z);
                e.physicsBody.applyImpulse(r, n)
            }
            ,
            e.prototype.applyForce = function(e, t, i) {
                var n = new this.BJSCANNON.Vec3(i.x,i.y,i.z)
                  , r = new this.BJSCANNON.Vec3(t.x,t.y,t.z);
                e.physicsBody.applyForce(r, n)
            }
            ,
            e.prototype.generatePhysicsBody = function(e) {
                if (this._removeMarkedPhysicsBodiesFromWorld(),
                e.parent)
                    e.physicsBody && (this.removePhysicsBody(e),
                    e.forceUpdate());
                else {
                    if (e.isBodyInitRequired()) {
                        var t = this._createShape(e);
                        if (!t)
                            return void K.Warn("It was not possible to create a physics body for this object.");
                        var i = e.physicsBody;
                        i && this.removePhysicsBody(e);
                        var n = this._addMaterial("mat-" + e.uniqueId, e.getParam("friction"), e.getParam("restitution"))
                          , r = {
                            mass: e.getParam("mass"),
                            material: n
                        }
                          , o = e.getParam("nativeOptions");
                        for (var a in o)
                            Object.prototype.hasOwnProperty.call(o, a) && (r[a] = o[a]);
                        e.physicsBody = new this.BJSCANNON.Body(r),
                        e.physicsBody.addEventListener("collide", e.onCollide),
                        this.world.addEventListener("preStep", e.beforeStep),
                        this.world.addEventListener("postStep", e.afterStep),
                        e.physicsBody.addShape(t),
                        "function" == typeof this.world.addBody ? this.world.addBody(e.physicsBody) : this.world.add(e.physicsBody),
                        i && ["force", "torque", "velocity", "angularVelocity"].forEach((function(t) {
                            var n = i[t];
                            e.physicsBody[t].set(n.x, n.y, n.z)
                        }
                        )),
                        this._processChildMeshes(e)
                    }
                    this._updatePhysicsBodyTransformation(e)
                }
            }
            ,
            e.prototype._processChildMeshes = function(e) {
                var t = this
                  , i = e.object.getChildMeshes ? e.object.getChildMeshes(!0) : []
                  , n = e.object.rotationQuaternion;
                if (n ? n.conjugateToRef(this._tmpQuaternion) : this._tmpQuaternion.set(0, 0, 0, 1),
                i.length) {
                    var r = function(i) {
                        if (i.rotationQuaternion) {
                            var n = i.getPhysicsImpostor();
                            if (n && n.parent !== e && i.parent) {
                                var o = i.getAbsolutePosition().subtract(i.parent.getAbsolutePosition())
                                  , a = i.rotationQuaternion.multiply(t._tmpQuaternion);
                                n.physicsBody && (t.removePhysicsBody(n),
                                n.physicsBody = null),
                                n.parent = e,
                                n.resetUpdateFlags(),
                                e.physicsBody.addShape(t._createShape(n), new t.BJSCANNON.Vec3(o.x,o.y,o.z), new t.BJSCANNON.Quaternion(a.x,a.y,a.z,a.w)),
                                e.physicsBody.mass += n.getParam("mass")
                            }
                            i.getChildMeshes(!0).filter((function(e) {
                                return !!e.physicsImpostor
                            }
                            )).forEach(r)
                        }
                    };
                    i.filter((function(e) {
                        return !!e.physicsImpostor
                    }
                    )).forEach(r)
                }
            }
            ,
            e.prototype.removePhysicsBody = function(e) {
                e.physicsBody.removeEventListener("collide", e.onCollide),
                this.world.removeEventListener("preStep", e.beforeStep),
                this.world.removeEventListener("postStep", e.afterStep),
                -1 === this._physicsBodysToRemoveAfterStep.indexOf(e.physicsBody) && this._physicsBodysToRemoveAfterStep.push(e.physicsBody)
            }
            ,
            e.prototype.generateJoint = function(e) {
                var t = e.mainImpostor.physicsBody
                  , i = e.connectedImpostor.physicsBody;
                if (t && i) {
                    var n, r = e.joint.jointData, o = {
                        pivotA: r.mainPivot ? (new this.BJSCANNON.Vec3).set(r.mainPivot.x, r.mainPivot.y, r.mainPivot.z) : null,
                        pivotB: r.connectedPivot ? (new this.BJSCANNON.Vec3).set(r.connectedPivot.x, r.connectedPivot.y, r.connectedPivot.z) : null,
                        axisA: r.mainAxis ? (new this.BJSCANNON.Vec3).set(r.mainAxis.x, r.mainAxis.y, r.mainAxis.z) : null,
                        axisB: r.connectedAxis ? (new this.BJSCANNON.Vec3).set(r.connectedAxis.x, r.connectedAxis.y, r.connectedAxis.z) : null,
                        maxForce: r.nativeParams.maxForce,
                        collideConnected: !!r.collision
                    };
                    switch (e.joint.type) {
                    case Ll.HingeJoint:
                    case Ll.Hinge2Joint:
                        n = new this.BJSCANNON.HingeConstraint(t,i,o);
                        break;
                    case Ll.DistanceJoint:
                        n = new this.BJSCANNON.DistanceConstraint(t,i,r.maxDistance || 2);
                        break;
                    case Ll.SpringJoint:
                        var a = r;
                        n = new this.BJSCANNON.Spring(t,i,{
                            restLength: a.length,
                            stiffness: a.stiffness,
                            damping: a.damping,
                            localAnchorA: o.pivotA,
                            localAnchorB: o.pivotB
                        });
                        break;
                    case Ll.LockJoint:
                        n = new this.BJSCANNON.LockConstraint(t,i,o);
                        break;
                    case Ll.PointToPointJoint:
                    case Ll.BallAndSocketJoint:
                    default:
                        n = new this.BJSCANNON.PointToPointConstraint(t,o.pivotA,i,o.pivotB,o.maxForce)
                    }
                    n.collideConnected = !!r.collision,
                    e.joint.physicsJoint = n,
                    e.joint.type !== Ll.SpringJoint ? this.world.addConstraint(n) : (e.joint.jointData.forceApplicationCallback = e.joint.jointData.forceApplicationCallback || function() {
                        n.applyForce()
                    }
                    ,
                    e.mainImpostor.registerAfterPhysicsStep(e.joint.jointData.forceApplicationCallback))
                }
            }
            ,
            e.prototype.removeJoint = function(e) {
                e.joint.type !== Ll.SpringJoint ? this.world.removeConstraint(e.joint.physicsJoint) : e.mainImpostor.unregisterAfterPhysicsStep(e.joint.jointData.forceApplicationCallback)
            }
            ,
            e.prototype._addMaterial = function(e, t, i) {
                var n, r;
                for (n = 0; n < this._physicsMaterials.length; n++)
                    if ((r = this._physicsMaterials[n]).friction === t && r.restitution === i)
                        return r;
                var o = new this.BJSCANNON.Material(e);
                return o.friction = t,
                o.restitution = i,
                this._physicsMaterials.push(o),
                o
            }
            ,
            e.prototype._checkWithEpsilon = function(e) {
                return e < R_.Epsilon ? R_.Epsilon : e
            }
            ,
            e.prototype._createShape = function(e) {
                var t, i = e.object, n = e.getObjectExtendSize();
                switch (e.type) {
                case Vl.SphereImpostor:
                    var r = n.x
                      , o = n.y
                      , a = n.z;
                    t = new this.BJSCANNON.Sphere(Math.max(this._checkWithEpsilon(r), this._checkWithEpsilon(o), this._checkWithEpsilon(a)) / 2);
                    break;
                case Vl.CylinderImpostor:
                    var s = e.getParam("nativeOptions");
                    s || (s = {});
                    var l = void 0 !== s.radiusTop ? s.radiusTop : this._checkWithEpsilon(n.x) / 2
                      , c = void 0 !== s.radiusBottom ? s.radiusBottom : this._checkWithEpsilon(n.x) / 2
                      , u = void 0 !== s.height ? s.height : this._checkWithEpsilon(n.y)
                      , h = void 0 !== s.numSegments ? s.numSegments : 16;
                    t = new this.BJSCANNON.Cylinder(l,c,u,h);
                    var d = new this.BJSCANNON.Quaternion;
                    d.setFromAxisAngle(new this.BJSCANNON.Vec3(1,0,0), -Math.PI / 2);
                    var p = new this.BJSCANNON.Vec3(0,0,0);
                    t.transformAllPoints(p, d);
                    break;
                case Vl.BoxImpostor:
                    var f = n.scale(.5);
                    t = new this.BJSCANNON.Box(new this.BJSCANNON.Vec3(this._checkWithEpsilon(f.x),this._checkWithEpsilon(f.y),this._checkWithEpsilon(f.z)));
                    break;
                case Vl.PlaneImpostor:
                    K.Warn("Attention, PlaneImposter might not behave as you expect. Consider using BoxImposter instead"),
                    t = new this.BJSCANNON.Plane;
                    break;
                case Vl.MeshImpostor:
                    var _ = i.getVerticesData ? i.getVerticesData(Bi.PositionKind) : []
                      , m = i.getIndices ? i.getIndices() : [];
                    if (!_)
                        return void K.Warn("Tried to create a MeshImpostor for an object without vertices. This will fail.");
                    var g = i.position.clone()
                      , v = i.rotation && i.rotation.clone()
                      , y = i.rotationQuaternion && i.rotationQuaternion.clone();
                    i.position.copyFromFloats(0, 0, 0),
                    i.rotation && i.rotation.copyFromFloats(0, 0, 0),
                    i.rotationQuaternion && i.rotationQuaternion.copyFrom(e.getParentsRotation()),
                    i.rotationQuaternion && i.parent && i.rotationQuaternion.conjugateInPlace();
                    var b = i.computeWorldMatrix(!0)
                      , T = new Array
                      , E = void 0;
                    for (E = 0; E < _.length; E += 3)
                        x.TransformCoordinates(x.FromArray(_, E), b).toArray(T, E);
                    K.Warn("MeshImpostor only collides against spheres."),
                    t = new this.BJSCANNON.Trimesh(T,m),
                    i.position.copyFrom(g),
                    v && i.rotation && i.rotation.copyFrom(v),
                    y && i.rotationQuaternion && i.rotationQuaternion.copyFrom(y);
                    break;
                case Vl.HeightmapImpostor:
                    var S = i.position.clone()
                      , A = i.rotation && i.rotation.clone()
                      , R = i.rotationQuaternion && i.rotationQuaternion.clone();
                    i.position.copyFromFloats(0, 0, 0),
                    i.rotation && i.rotation.copyFromFloats(0, 0, 0),
                    i.rotationQuaternion && i.rotationQuaternion.copyFrom(e.getParentsRotation()),
                    i.rotationQuaternion && i.parent && i.rotationQuaternion.conjugateInPlace(),
                    i.rotationQuaternion && i.rotationQuaternion.multiplyInPlace(this._minus90X),
                    t = this._createHeightmap(i),
                    i.position.copyFrom(S),
                    A && i.rotation && i.rotation.copyFrom(A),
                    R && i.rotationQuaternion && i.rotationQuaternion.copyFrom(R),
                    i.computeWorldMatrix(!0);
                    break;
                case Vl.ParticleImpostor:
                    t = new this.BJSCANNON.Particle;
                    break;
                case Vl.NoImpostor:
                    t = new this.BJSCANNON.Box(new this.BJSCANNON.Vec3(0,0,0))
                }
                return t
            }
            ,
            e.prototype._createHeightmap = function(e, t) {
                var i, n = e.getVerticesData(Bi.PositionKind), r = e.computeWorldMatrix(!0), o = new Array;
                for (i = 0; i < n.length; i += 3)
                    x.TransformCoordinates(x.FromArray(n, i), r).toArray(o, i);
                n = o;
                for (var a = new Array, s = t || ~~(Math.sqrt(n.length / 3) - 1), l = e.getBoundingInfo(), c = Math.min(l.boundingBox.extendSizeWorld.x, l.boundingBox.extendSizeWorld.y), u = l.boundingBox.extendSizeWorld.z, h = 2 * c / s, d = 0; d < n.length; d += 3) {
                    var p = Math.round(n[d + 0] / h + s / 2)
                      , f = Math.round(-1 * (n[d + 1] / h - s / 2))
                      , _ = -n[d + 2] + u;
                    a[p] || (a[p] = []),
                    a[p][f] || (a[p][f] = _),
                    a[p][f] = Math.max(_, a[p][f])
                }
                for (p = 0; p <= s; ++p) {
                    if (!a[p]) {
                        for (var m = 1; !a[(p + m) % s]; )
                            m++;
                        a[p] = a[(p + m) % s].slice()
                    }
                    for (f = 0; f <= s; ++f)
                        if (!a[p][f]) {
                            m = 1;
                            for (var g = void 0; void 0 === g; )
                                g = a[p][(f + m++) % s];
                            a[p][f] = g
                        }
                }
                var v = new this.BJSCANNON.Heightfield(a,{
                    elementSize: h
                });
                return v.minY = u,
                v
            }
            ,
            e.prototype._updatePhysicsBodyTransformation = function(e) {
                var t = e.object;
                if (t.computeWorldMatrix && t.computeWorldMatrix(!0),
                t.getBoundingInfo()) {
                    var i = e.getObjectCenter();
                    this._tmpDeltaPosition.copyFrom(t.getAbsolutePivotPoint().subtract(i)),
                    this._tmpDeltaPosition.divideInPlace(e.object.scaling),
                    this._tmpPosition.copyFrom(i);
                    var n = t.rotationQuaternion;
                    if (n) {
                        if (e.type !== Vl.PlaneImpostor && e.type !== Vl.HeightmapImpostor || (n = n.multiply(this._minus90X),
                        e.setDeltaRotation(this._plus90X)),
                        e.type === Vl.HeightmapImpostor) {
                            var r = t
                              , o = r.getBoundingInfo()
                              , a = r.rotationQuaternion;
                            r.rotationQuaternion = this._tmpUnityRotation,
                            r.computeWorldMatrix(!0);
                            var s = i.clone()
                              , l = r.getPivotMatrix();
                            l = l ? l.clone() : P.Identity();
                            var c = P.Translation(o.boundingBox.extendSizeWorld.x, 0, -o.boundingBox.extendSizeWorld.z);
                            r.setPreTransformMatrix(c),
                            r.computeWorldMatrix(!0);
                            var u = (o = r.getBoundingInfo()).boundingBox.centerWorld.subtract(i).subtract(r.position).negate();
                            this._tmpPosition.copyFromFloats(u.x, u.y - o.boundingBox.extendSizeWorld.y, u.z),
                            this._tmpDeltaPosition.copyFrom(o.boundingBox.centerWorld.subtract(s)),
                            this._tmpDeltaPosition.y += o.boundingBox.extendSizeWorld.y,
                            r.rotationQuaternion = a,
                            r.setPreTransformMatrix(l),
                            r.computeWorldMatrix(!0)
                        } else
                            e.type === Vl.MeshImpostor && this._tmpDeltaPosition.copyFromFloats(0, 0, 0);
                        e.setDeltaPosition(this._tmpDeltaPosition),
                        e.physicsBody.position.set(this._tmpPosition.x, this._tmpPosition.y, this._tmpPosition.z),
                        e.physicsBody.quaternion.set(n.x, n.y, n.z, n.w)
                    }
                }
            }
            ,
            e.prototype.setTransformationFromPhysicsBody = function(e) {
                if (e.object.position.set(e.physicsBody.position.x, e.physicsBody.position.y, e.physicsBody.position.z),
                e.object.rotationQuaternion) {
                    var t = e.physicsBody.quaternion;
                    e.object.rotationQuaternion.set(t.x, t.y, t.z, t.w)
                }
            }
            ,
            e.prototype.setPhysicsBodyTransformation = function(e, t, i) {
                e.physicsBody.position.set(t.x, t.y, t.z),
                e.physicsBody.quaternion.set(i.x, i.y, i.z, i.w)
            }
            ,
            e.prototype.isSupported = function() {
                return void 0 !== this.BJSCANNON
            }
            ,
            e.prototype.setLinearVelocity = function(e, t) {
                e.physicsBody.velocity.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.setAngularVelocity = function(e, t) {
                e.physicsBody.angularVelocity.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.getLinearVelocity = function(e) {
                var t = e.physicsBody.velocity;
                return t ? new x(t.x,t.y,t.z) : null
            }
            ,
            e.prototype.getAngularVelocity = function(e) {
                var t = e.physicsBody.angularVelocity;
                return t ? new x(t.x,t.y,t.z) : null
            }
            ,
            e.prototype.setBodyMass = function(e, t) {
                e.physicsBody.mass = t,
                e.physicsBody.updateMassProperties()
            }
            ,
            e.prototype.getBodyMass = function(e) {
                return e.physicsBody.mass
            }
            ,
            e.prototype.getBodyFriction = function(e) {
                return e.physicsBody.material.friction
            }
            ,
            e.prototype.setBodyFriction = function(e, t) {
                e.physicsBody.material.friction = t
            }
            ,
            e.prototype.getBodyRestitution = function(e) {
                return e.physicsBody.material.restitution
            }
            ,
            e.prototype.setBodyRestitution = function(e, t) {
                e.physicsBody.material.restitution = t
            }
            ,
            e.prototype.sleepBody = function(e) {
                e.physicsBody.sleep()
            }
            ,
            e.prototype.wakeUpBody = function(e) {
                e.physicsBody.wakeUp()
            }
            ,
            e.prototype.updateDistanceJoint = function(e, t) {
                e.physicsJoint.distance = t
            }
            ,
            e.prototype.setMotor = function(e, t, i, n) {
                n || (e.physicsJoint.enableMotor(),
                e.physicsJoint.setMotorSpeed(t),
                i && this.setLimit(e, i))
            }
            ,
            e.prototype.setLimit = function(e, t, i) {
                e.physicsJoint.motorEquation.maxForce = t,
                e.physicsJoint.motorEquation.minForce = void 0 === i ? -t : i
            }
            ,
            e.prototype.syncMeshWithImpostor = function(e, t) {
                var i = t.physicsBody;
                e.position.x = i.position.x,
                e.position.y = i.position.y,
                e.position.z = i.position.z,
                e.rotationQuaternion && (e.rotationQuaternion.x = i.quaternion.x,
                e.rotationQuaternion.y = i.quaternion.y,
                e.rotationQuaternion.z = i.quaternion.z,
                e.rotationQuaternion.w = i.quaternion.w)
            }
            ,
            e.prototype.getRadius = function(e) {
                return e.physicsBody.shapes[0].boundingSphereRadius
            }
            ,
            e.prototype.getBoxSizeToRef = function(e, t) {
                var i = e.physicsBody.shapes[0];
                t.x = 2 * i.halfExtents.x,
                t.y = 2 * i.halfExtents.y,
                t.z = 2 * i.halfExtents.z
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype._extendNamespace = function() {
                var e = new this.BJSCANNON.Vec3
                  , t = this.BJSCANNON;
                this.BJSCANNON.World.prototype.step = function(i, n, r) {
                    if (r = r || 10,
                    0 === (n = n || 0))
                        this.internalStep(i),
                        this.time += i;
                    else {
                        var o = Math.floor((this.time + n) / i) - Math.floor(this.time / i);
                        o = Math.min(o, r) || 1;
                        for (var a = performance.now(), s = 0; s !== o && (this.internalStep(i),
                        !(performance.now() - a > 1e3 * i)); s++)
                            ;
                        this.time += n;
                        for (var l = this.time % i / i, c = e, u = this.bodies, h = 0; h !== u.length; h++) {
                            var d = u[h];
                            d.type !== t.Body.STATIC && d.sleepState !== t.Body.SLEEPING ? (d.position.vsub(d.previousPosition, c),
                            c.scale(l, c),
                            d.position.vadd(c, d.interpolatedPosition)) : (d.interpolatedPosition.set(d.position.x, d.position.y, d.position.z),
                            d.interpolatedQuaternion.set(d.quaternion.x, d.quaternion.y, d.quaternion.z, d.quaternion.w))
                        }
                    }
                }
            }
            ,
            e.prototype.raycast = function(e, t) {
                return this._cannonRaycastResult.reset(),
                this.world.raycastClosest(e, t, {}, this._cannonRaycastResult),
                this._raycastResult.reset(e, t),
                this._cannonRaycastResult.hasHit && (this._raycastResult.setHitData({
                    x: this._cannonRaycastResult.hitNormalWorld.x,
                    y: this._cannonRaycastResult.hitNormalWorld.y,
                    z: this._cannonRaycastResult.hitNormalWorld.z
                }, {
                    x: this._cannonRaycastResult.hitPointWorld.x,
                    y: this._cannonRaycastResult.hitPointWorld.y,
                    z: this._cannonRaycastResult.hitPointWorld.z
                }),
                this._raycastResult.setHitDistance(this._cannonRaycastResult.distance)),
                this._raycastResult
            }
            ,
            e
        }();
        R_.DefaultPluginFactory = function() {
            return new P_
        }
        ;
        var M_ = function() {
            function e(e, t, i) {
                void 0 === e && (e = !0),
                void 0 === i && (i = OIMO),
                this._useDeltaForWorldStep = e,
                this.name = "OimoJSPlugin",
                this._fixedTimeStep = 1 / 60,
                this._tmpImpostorsArray = [],
                this._tmpPositionVector = x.Zero(),
                this.BJSOIMO = i,
                this.world = new this.BJSOIMO.World({
                    iterations: t
                }),
                this.world.clear(),
                this._raycastResult = new C_
            }
            return e.prototype.setGravity = function(e) {
                this.world.gravity.set(e.x, e.y, e.z)
            }
            ,
            e.prototype.setTimeStep = function(e) {
                this.world.timeStep = e
            }
            ,
            e.prototype.getTimeStep = function() {
                return this.world.timeStep
            }
            ,
            e.prototype.executeStep = function(e, t) {
                var i = this;
                t.forEach((function(e) {
                    e.beforeStep()
                }
                )),
                this.world.timeStep = this._useDeltaForWorldStep ? e : this._fixedTimeStep,
                this.world.step(),
                t.forEach((function(e) {
                    e.afterStep(),
                    i._tmpImpostorsArray[e.uniqueId] = e
                }
                ));
                for (var n = this.world.contacts; null !== n; )
                    if (!n.touching || n.body1.sleeping || n.body2.sleeping) {
                        var r = this._tmpImpostorsArray[+n.body1.name]
                          , o = this._tmpImpostorsArray[+n.body2.name];
                        r && o ? (r.onCollide({
                            body: o.physicsBody,
                            point: null
                        }),
                        o.onCollide({
                            body: r.physicsBody,
                            point: null
                        }),
                        n = n.next) : n = n.next
                    } else
                        n = n.next
            }
            ,
            e.prototype.applyImpulse = function(e, t, i) {
                var n = e.physicsBody.mass;
                e.physicsBody.applyImpulse(i.scale(this.world.invScale), t.scale(this.world.invScale * n))
            }
            ,
            e.prototype.applyForce = function(e, t, i) {
                K.Warn("Oimo doesn't support applying force. Using impule instead."),
                this.applyImpulse(e, t, i)
            }
            ,
            e.prototype.generatePhysicsBody = function(e) {
                var t = this;
                if (e.parent)
                    e.physicsBody && (this.removePhysicsBody(e),
                    e.forceUpdate());
                else {
                    if (e.isBodyInitRequired()) {
                        var i = {
                            name: e.uniqueId,
                            config: [e.getParam("mass") || .001, e.getParam("friction"), e.getParam("restitution")],
                            size: [],
                            type: [],
                            pos: [],
                            posShape: [],
                            rot: [],
                            rotShape: [],
                            move: 0 !== e.getParam("mass"),
                            density: e.getParam("mass"),
                            friction: e.getParam("friction"),
                            restitution: e.getParam("restitution"),
                            world: this.world
                        }
                          , n = [e];
                        (a = e.object).getChildMeshes && a.getChildMeshes().forEach((function(e) {
                            e.physicsImpostor && n.push(e.physicsImpostor)
                        }
                        ));
                        var r = function(e) {
                            return Math.max(e, R_.Epsilon)
                        }
                          , o = new C;
                        n.forEach((function(n) {
                            if (n.object.rotationQuaternion) {
                                var a = n.object.rotationQuaternion;
                                o.copyFrom(a),
                                n.object.rotationQuaternion.set(0, 0, 0, 1),
                                n.object.computeWorldMatrix(!0);
                                var s = o.toEulerAngles()
                                  , l = n.getObjectExtendSize()
                                  , c = 57.29577951308232;
                                if (n === e) {
                                    var u = e.getObjectCenter();
                                    e.object.getAbsolutePivotPoint().subtractToRef(u, t._tmpPositionVector),
                                    t._tmpPositionVector.divideInPlace(e.object.scaling),
                                    i.pos.push(u.x),
                                    i.pos.push(u.y),
                                    i.pos.push(u.z),
                                    i.posShape.push(0, 0, 0),
                                    i.rotShape.push(0, 0, 0)
                                } else {
                                    var h = n.object.position.clone();
                                    i.posShape.push(h.x),
                                    i.posShape.push(h.y),
                                    i.posShape.push(h.z),
                                    i.rotShape.push(s.x * c, s.y * c, s.z * c)
                                }
                                switch (n.object.rotationQuaternion.copyFrom(o),
                                n.type) {
                                case Vl.ParticleImpostor:
                                    K.Warn("No Particle support in OIMO.js. using SphereImpostor instead");
                                case Vl.SphereImpostor:
                                    var d = l.x
                                      , p = l.y
                                      , f = l.z
                                      , _ = Math.max(r(d), r(p), r(f)) / 2;
                                    i.type.push("sphere"),
                                    i.size.push(_),
                                    i.size.push(_),
                                    i.size.push(_);
                                    break;
                                case Vl.CylinderImpostor:
                                    var m = r(l.x) / 2
                                      , g = r(l.y);
                                    i.type.push("cylinder"),
                                    i.size.push(m),
                                    i.size.push(g),
                                    i.size.push(g);
                                    break;
                                case Vl.PlaneImpostor:
                                case Vl.BoxImpostor:
                                default:
                                    m = r(l.x),
                                    g = r(l.y);
                                    var v = r(l.z);
                                    i.type.push("box"),
                                    i.size.push(m),
                                    i.size.push(g),
                                    i.size.push(v)
                                }
                                n.object.rotationQuaternion = a
                            }
                        }
                        )),
                        e.physicsBody = this.world.add(i),
                        e.physicsBody.resetQuaternion(o),
                        e.physicsBody.updatePosition(0)
                    } else
                        this._tmpPositionVector.copyFromFloats(0, 0, 0);
                    var a;
                    e.setDeltaPosition(this._tmpPositionVector)
                }
            }
            ,
            e.prototype.removePhysicsBody = function(e) {
                this.world.removeRigidBody(e.physicsBody)
            }
            ,
            e.prototype.generateJoint = function(e) {
                var t = e.mainImpostor.physicsBody
                  , i = e.connectedImpostor.physicsBody;
                if (t && i) {
                    var n, r = e.joint.jointData, o = r.nativeParams || {}, a = {
                        body1: t,
                        body2: i,
                        axe1: o.axe1 || (r.mainAxis ? r.mainAxis.asArray() : null),
                        axe2: o.axe2 || (r.connectedAxis ? r.connectedAxis.asArray() : null),
                        pos1: o.pos1 || (r.mainPivot ? r.mainPivot.asArray() : null),
                        pos2: o.pos2 || (r.connectedPivot ? r.connectedPivot.asArray() : null),
                        min: o.min,
                        max: o.max,
                        collision: o.collision || r.collision,
                        spring: o.spring,
                        world: this.world
                    };
                    switch (e.joint.type) {
                    case Ll.BallAndSocketJoint:
                        n = "jointBall";
                        break;
                    case Ll.SpringJoint:
                        K.Warn("OIMO.js doesn't support Spring Constraint. Simulating using DistanceJoint instead");
                        var s = r;
                        a.min = s.length || a.min,
                        a.max = Math.max(a.min, a.max);
                    case Ll.DistanceJoint:
                        n = "jointDistance",
                        a.max = r.maxDistance;
                        break;
                    case Ll.PrismaticJoint:
                        n = "jointPrisme";
                        break;
                    case Ll.SliderJoint:
                        n = "jointSlide";
                        break;
                    case Ll.WheelJoint:
                        n = "jointWheel";
                        break;
                    case Ll.HingeJoint:
                    default:
                        n = "jointHinge"
                    }
                    a.type = n,
                    e.joint.physicsJoint = this.world.add(a)
                }
            }
            ,
            e.prototype.removeJoint = function(e) {
                try {
                    this.world.removeJoint(e.joint.physicsJoint)
                } catch (e) {
                    K.Warn(e)
                }
            }
            ,
            e.prototype.isSupported = function() {
                return void 0 !== this.BJSOIMO
            }
            ,
            e.prototype.setTransformationFromPhysicsBody = function(e) {
                if (!e.physicsBody.sleeping) {
                    if (e.physicsBody.shapes.next) {
                        for (var t = e.physicsBody.shapes; t.next; )
                            t = t.next;
                        e.object.position.set(t.position.x, t.position.y, t.position.z)
                    } else {
                        var i = e.physicsBody.getPosition();
                        e.object.position.set(i.x, i.y, i.z)
                    }
                    if (e.object.rotationQuaternion) {
                        var n = e.physicsBody.getQuaternion();
                        e.object.rotationQuaternion.set(n.x, n.y, n.z, n.w)
                    }
                }
            }
            ,
            e.prototype.setPhysicsBodyTransformation = function(e, t, i) {
                var n = e.physicsBody;
                e.physicsBody.shapes.next || (n.position.set(t.x, t.y, t.z),
                n.orientation.set(i.x, i.y, i.z, i.w),
                n.syncShapes(),
                n.awake())
            }
            ,
            e.prototype.setLinearVelocity = function(e, t) {
                e.physicsBody.linearVelocity.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.setAngularVelocity = function(e, t) {
                e.physicsBody.angularVelocity.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.getLinearVelocity = function(e) {
                var t = e.physicsBody.linearVelocity;
                return t ? new x(t.x,t.y,t.z) : null
            }
            ,
            e.prototype.getAngularVelocity = function(e) {
                var t = e.physicsBody.angularVelocity;
                return t ? new x(t.x,t.y,t.z) : null
            }
            ,
            e.prototype.setBodyMass = function(e, t) {
                var i = 0 === t;
                e.physicsBody.shapes.density = i ? 1 : t,
                e.physicsBody.setupMass(i ? 2 : 1)
            }
            ,
            e.prototype.getBodyMass = function(e) {
                return e.physicsBody.shapes.density
            }
            ,
            e.prototype.getBodyFriction = function(e) {
                return e.physicsBody.shapes.friction
            }
            ,
            e.prototype.setBodyFriction = function(e, t) {
                e.physicsBody.shapes.friction = t
            }
            ,
            e.prototype.getBodyRestitution = function(e) {
                return e.physicsBody.shapes.restitution
            }
            ,
            e.prototype.setBodyRestitution = function(e, t) {
                e.physicsBody.shapes.restitution = t
            }
            ,
            e.prototype.sleepBody = function(e) {
                e.physicsBody.sleep()
            }
            ,
            e.prototype.wakeUpBody = function(e) {
                e.physicsBody.awake()
            }
            ,
            e.prototype.updateDistanceJoint = function(e, t, i) {
                e.physicsJoint.limitMotor.upperLimit = t,
                void 0 !== i && (e.physicsJoint.limitMotor.lowerLimit = i)
            }
            ,
            e.prototype.setMotor = function(e, t, i, n) {
                void 0 !== i ? K.Warn("OimoJS plugin currently has unexpected behavior when using setMotor with force parameter") : i = 1e6,
                t *= -1;
                var r = n ? e.physicsJoint.rotationalLimitMotor2 : e.physicsJoint.rotationalLimitMotor1 || e.physicsJoint.rotationalLimitMotor || e.physicsJoint.limitMotor;
                r && r.setMotor(t, i)
            }
            ,
            e.prototype.setLimit = function(e, t, i, n) {
                var r = n ? e.physicsJoint.rotationalLimitMotor2 : e.physicsJoint.rotationalLimitMotor1 || e.physicsJoint.rotationalLimitMotor || e.physicsJoint.limitMotor;
                r && r.setLimit(t, void 0 === i ? -t : i)
            }
            ,
            e.prototype.syncMeshWithImpostor = function(e, t) {
                var i = t.physicsBody;
                e.position.x = i.position.x,
                e.position.y = i.position.y,
                e.position.z = i.position.z,
                e.rotationQuaternion && (e.rotationQuaternion.x = i.orientation.x,
                e.rotationQuaternion.y = i.orientation.y,
                e.rotationQuaternion.z = i.orientation.z,
                e.rotationQuaternion.w = i.orientation.s)
            }
            ,
            e.prototype.getRadius = function(e) {
                return e.physicsBody.shapes.radius
            }
            ,
            e.prototype.getBoxSizeToRef = function(e, t) {
                var i = e.physicsBody.shapes;
                t.x = 2 * i.halfWidth,
                t.y = 2 * i.halfHeight,
                t.z = 2 * i.halfDepth
            }
            ,
            e.prototype.dispose = function() {
                this.world.clear()
            }
            ,
            e.prototype.raycast = function(e, t) {
                return K.Warn("raycast is not currently supported by the Oimo physics plugin"),
                this._raycastResult.reset(e, t),
                this._raycastResult
            }
            ,
            e
        }()
          , I_ = function() {
            function e(e, t, i) {
                void 0 === e && (e = !0),
                void 0 === t && (t = Ammo),
                void 0 === i && (i = null);
                var n = this;
                this._useDeltaForWorldStep = e,
                this.bjsAMMO = {},
                this.name = "AmmoJSPlugin",
                this._timeStep = 1 / 60,
                this._fixedTimeStep = 1 / 60,
                this._maxSteps = 5,
                this._tmpQuaternion = new C,
                this._tmpContactCallbackResult = !1,
                this._tmpContactPoint = new x,
                this._tmpVec3 = new x,
                this._tmpMatrix = new P,
                "function" != typeof t ? (this.bjsAMMO = t,
                this.isSupported() ? (this._collisionConfiguration = new this.bjsAMMO.btSoftBodyRigidBodyCollisionConfiguration,
                this._dispatcher = new this.bjsAMMO.btCollisionDispatcher(this._collisionConfiguration),
                this._overlappingPairCache = i || new this.bjsAMMO.btDbvtBroadphase,
                this._solver = new this.bjsAMMO.btSequentialImpulseConstraintSolver,
                this._softBodySolver = new this.bjsAMMO.btDefaultSoftBodySolver,
                this.world = new this.bjsAMMO.btSoftRigidDynamicsWorld(this._dispatcher,this._overlappingPairCache,this._solver,this._collisionConfiguration,this._softBodySolver),
                this._tmpAmmoConcreteContactResultCallback = new this.bjsAMMO.ConcreteContactResultCallback,
                this._tmpAmmoConcreteContactResultCallback.addSingleResult = function(e) {
                    var t = (e = n.bjsAMMO.wrapPointer(e, n.bjsAMMO.btManifoldPoint)).getPositionWorldOnA();
                    n._tmpContactPoint.x = t.x(),
                    n._tmpContactPoint.y = t.y(),
                    n._tmpContactPoint.z = t.z(),
                    n._tmpContactCallbackResult = !0
                }
                ,
                this._raycastResult = new C_,
                this._tmpAmmoTransform = new this.bjsAMMO.btTransform,
                this._tmpAmmoTransform.setIdentity(),
                this._tmpAmmoQuaternion = new this.bjsAMMO.btQuaternion(0,0,0,1),
                this._tmpAmmoVectorA = new this.bjsAMMO.btVector3(0,0,0),
                this._tmpAmmoVectorB = new this.bjsAMMO.btVector3(0,0,0),
                this._tmpAmmoVectorC = new this.bjsAMMO.btVector3(0,0,0),
                this._tmpAmmoVectorD = new this.bjsAMMO.btVector3(0,0,0)) : K.Error("AmmoJS is not available. Please make sure you included the js file.")) : K.Error("AmmoJS is not ready. Please make sure you await Ammo() before using the plugin.")
            }
            return e.prototype.setGravity = function(e) {
                this._tmpAmmoVectorA.setValue(e.x, e.y, e.z),
                this.world.setGravity(this._tmpAmmoVectorA),
                this.world.getWorldInfo().set_m_gravity(this._tmpAmmoVectorA)
            }
            ,
            e.prototype.setTimeStep = function(e) {
                this._timeStep = e
            }
            ,
            e.prototype.setFixedTimeStep = function(e) {
                this._fixedTimeStep = e
            }
            ,
            e.prototype.setMaxSteps = function(e) {
                this._maxSteps = e
            }
            ,
            e.prototype.getTimeStep = function() {
                return this._timeStep
            }
            ,
            e.prototype._isImpostorInContact = function(e) {
                return this._tmpContactCallbackResult = !1,
                this.world.contactTest(e.physicsBody, this._tmpAmmoConcreteContactResultCallback),
                this._tmpContactCallbackResult
            }
            ,
            e.prototype._isImpostorPairInContact = function(e, t) {
                return this._tmpContactCallbackResult = !1,
                this.world.contactPairTest(e.physicsBody, t.physicsBody, this._tmpAmmoConcreteContactResultCallback),
                this._tmpContactCallbackResult
            }
            ,
            e.prototype._stepSimulation = function(e, t, i) {
                if (void 0 === e && (e = 1 / 60),
                void 0 === t && (t = 10),
                void 0 === i && (i = 1 / 60),
                0 == t)
                    this.world.stepSimulation(e, 0);
                else
                    for (; t > 0 && e > 0; )
                        e - i < i ? (this.world.stepSimulation(e, 0),
                        e = 0) : (e -= i,
                        this.world.stepSimulation(i, 0)),
                        t--
            }
            ,
            e.prototype.executeStep = function(e, t) {
                for (var i = 0, n = t; i < n.length; i++) {
                    var r = n[i];
                    r.soft || r.beforeStep()
                }
                this._stepSimulation(this._useDeltaForWorldStep ? e : this._timeStep, this._maxSteps, this._fixedTimeStep);
                for (var o = 0, a = t; o < a.length; o++) {
                    var s = a[o];
                    if (s.soft ? this._afterSoftStep(s) : s.afterStep(),
                    s._onPhysicsCollideCallbacks.length > 0 && this._isImpostorInContact(s))
                        for (var l = 0, c = s._onPhysicsCollideCallbacks; l < c.length; l++)
                            for (var u = 0, h = c[l].otherImpostors; u < h.length; u++) {
                                var d = h[u];
                                (s.physicsBody.isActive() || d.physicsBody.isActive()) && this._isImpostorPairInContact(s, d) && (s.onCollide({
                                    body: d.physicsBody,
                                    point: this._tmpContactPoint
                                }),
                                d.onCollide({
                                    body: s.physicsBody,
                                    point: this._tmpContactPoint
                                }))
                            }
                }
            }
            ,
            e.prototype._afterSoftStep = function(e) {
                e.type === Vl.RopeImpostor ? this._ropeStep(e) : this._softbodyOrClothStep(e)
            }
            ,
            e.prototype._ropeStep = function(e) {
                for (var t, i, n, r, o = e.physicsBody.get_m_nodes(), a = o.size(), s = new Array, l = 0; l < a; l++)
                    i = (t = o.at(l).get_m_x()).x(),
                    n = t.y(),
                    r = t.z(),
                    s.push(new x(i,n,r));
                var c = e.object
                  , u = e.getParam("shape");
                e._isFromLine ? e.object = Jl("lines", {
                    points: s,
                    instance: c
                }) : e.object = oc("ext", {
                    shape: u,
                    path: s,
                    instance: c
                })
            }
            ,
            e.prototype._softbodyOrClothStep = function(e) {
                var t = e.type === Vl.ClothImpostor ? 1 : -1
                  , i = e.object
                  , n = i.getVerticesData(Bi.PositionKind);
                n || (n = []);
                var r = i.getVerticesData(Bi.NormalKind);
                r || (r = []);
                for (var o, a, s, l, c, u, h, d, p = n.length / 3, f = e.physicsBody.get_m_nodes(), _ = 0; _ < p; _++) {
                    s = (a = (o = f.at(_)).get_m_x()).x(),
                    l = a.y(),
                    c = a.z() * t;
                    var m = o.get_m_n();
                    u = m.x(),
                    h = m.y(),
                    d = m.z() * t,
                    n[3 * _] = s,
                    n[3 * _ + 1] = l,
                    n[3 * _ + 2] = c,
                    r[3 * _] = u,
                    r[3 * _ + 1] = h,
                    r[3 * _ + 2] = d
                }
                var g = new $n;
                g.positions = n,
                g.normals = r,
                g.uvs = i.getVerticesData(Bi.UVKind),
                g.colors = i.getVerticesData(Bi.ColorKind),
                i && i.getIndices && (g.indices = i.getIndices()),
                g.applyToMesh(i)
            }
            ,
            e.prototype.applyImpulse = function(e, t, i) {
                if (e.soft)
                    K.Warn("Cannot be applied to a soft body");
                else {
                    e.physicsBody.activate();
                    var n = this._tmpAmmoVectorA
                      , r = this._tmpAmmoVectorB;
                    e.object && e.object.getWorldMatrix && i.subtractInPlace(e.object.getWorldMatrix().getTranslation()),
                    n.setValue(i.x, i.y, i.z),
                    r.setValue(t.x, t.y, t.z),
                    e.physicsBody.applyImpulse(r, n)
                }
            }
            ,
            e.prototype.applyForce = function(e, t, i) {
                if (e.soft)
                    K.Warn("Cannot be applied to a soft body");
                else {
                    e.physicsBody.activate();
                    var n = this._tmpAmmoVectorA
                      , r = this._tmpAmmoVectorB;
                    if (e.object && e.object.getWorldMatrix) {
                        var o = e.object.getWorldMatrix().getTranslation();
                        n.setValue(i.x - o.x, i.y - o.y, i.z - o.z)
                    } else
                        n.setValue(i.x, i.y, i.z);
                    r.setValue(t.x, t.y, t.z),
                    e.physicsBody.applyForce(r, n)
                }
            }
            ,
            e.prototype.generatePhysicsBody = function(t) {
                if (t._pluginData.toDispose = [],
                t.parent)
                    t.physicsBody && (this.removePhysicsBody(t),
                    t.forceUpdate());
                else if (t.isBodyInitRequired()) {
                    var i = this._createShape(t)
                      , n = t.getParam("mass");
                    if (t._pluginData.mass = n,
                    t.soft)
                        i.get_m_cfg().set_collisions(17),
                        i.get_m_cfg().set_kDP(t.getParam("damping")),
                        this.bjsAMMO.castObject(i, this.bjsAMMO.btCollisionObject).getCollisionShape().setMargin(t.getParam("margin")),
                        i.setActivationState(e._DISABLE_DEACTIVATION_FLAG),
                        this.world.addSoftBody(i, 1, -1),
                        t.physicsBody = i,
                        t._pluginData.toDispose.push(i),
                        this.setBodyPressure(t, 0),
                        t.type === Vl.SoftbodyImpostor && this.setBodyPressure(t, t.getParam("pressure")),
                        this.setBodyStiffness(t, t.getParam("stiffness")),
                        this.setBodyVelocityIterations(t, t.getParam("velocityIterations")),
                        this.setBodyPositionIterations(t, t.getParam("positionIterations"));
                    else {
                        var r = new this.bjsAMMO.btVector3(0,0,0)
                          , o = new this.bjsAMMO.btTransform;
                        t.object.computeWorldMatrix(!0),
                        o.setIdentity(),
                        0 !== n && i.calculateLocalInertia(n, r),
                        this._tmpAmmoVectorA.setValue(t.object.position.x, t.object.position.y, t.object.position.z),
                        this._tmpAmmoQuaternion.setValue(t.object.rotationQuaternion.x, t.object.rotationQuaternion.y, t.object.rotationQuaternion.z, t.object.rotationQuaternion.w),
                        o.setOrigin(this._tmpAmmoVectorA),
                        o.setRotation(this._tmpAmmoQuaternion);
                        var a = new this.bjsAMMO.btDefaultMotionState(o)
                          , s = new this.bjsAMMO.btRigidBodyConstructionInfo(n,a,i,r)
                          , l = new this.bjsAMMO.btRigidBody(s);
                        if (0 === n && (l.setCollisionFlags(l.getCollisionFlags() | e._KINEMATIC_FLAG),
                        l.setActivationState(e._DISABLE_DEACTIVATION_FLAG)),
                        t.type != Vl.NoImpostor || i.getChildShape || l.setCollisionFlags(l.getCollisionFlags() | e._DISABLE_COLLISION_FLAG),
                        t.type !== Vl.MeshImpostor && t.type !== Vl.NoImpostor) {
                            var c = t.object.getBoundingInfo();
                            this._tmpVec3.copyFrom(t.object.getAbsolutePosition()),
                            this._tmpVec3.subtractInPlace(c.boundingBox.centerWorld),
                            this._tmpVec3.x /= t.object.scaling.x,
                            this._tmpVec3.y /= t.object.scaling.y,
                            this._tmpVec3.z /= t.object.scaling.z,
                            t.setDeltaPosition(this._tmpVec3)
                        }
                        var u = t.getParam("group")
                          , h = t.getParam("mask");
                        u && h ? this.world.addRigidBody(l, u, h) : this.world.addRigidBody(l),
                        t.physicsBody = l,
                        t._pluginData.toDispose = t._pluginData.toDispose.concat([l, s, a, o, r, i])
                    }
                    this.setBodyRestitution(t, t.getParam("restitution")),
                    this.setBodyFriction(t, t.getParam("friction"))
                }
            }
            ,
            e.prototype.removePhysicsBody = function(e) {
                var t = this;
                this.world && (e.soft ? this.world.removeSoftBody(e.physicsBody) : this.world.removeRigidBody(e.physicsBody),
                e._pluginData && (e._pluginData.toDispose.forEach((function(e) {
                    t.bjsAMMO.destroy(e)
                }
                )),
                e._pluginData.toDispose = []))
            }
            ,
            e.prototype.generateJoint = function(e) {
                var t = e.mainImpostor.physicsBody
                  , i = e.connectedImpostor.physicsBody;
                if (t && i) {
                    var n, r = e.joint.jointData;
                    switch (r.mainPivot || (r.mainPivot = new x(0,0,0)),
                    r.connectedPivot || (r.connectedPivot = new x(0,0,0)),
                    e.joint.type) {
                    case Ll.DistanceJoint:
                        var o = r.maxDistance;
                        o && (r.mainPivot = new x(0,-o / 2,0),
                        r.connectedPivot = new x(0,o / 2,0)),
                        n = new this.bjsAMMO.btPoint2PointConstraint(t,i,new this.bjsAMMO.btVector3(r.mainPivot.x,r.mainPivot.y,r.mainPivot.z),new this.bjsAMMO.btVector3(r.connectedPivot.x,r.connectedPivot.y,r.connectedPivot.z));
                        break;
                    case Ll.HingeJoint:
                        r.mainAxis || (r.mainAxis = new x(0,0,0)),
                        r.connectedAxis || (r.connectedAxis = new x(0,0,0));
                        var a = new this.bjsAMMO.btVector3(r.mainAxis.x,r.mainAxis.y,r.mainAxis.z)
                          , s = new this.bjsAMMO.btVector3(r.connectedAxis.x,r.connectedAxis.y,r.connectedAxis.z);
                        n = new this.bjsAMMO.btHingeConstraint(t,i,new this.bjsAMMO.btVector3(r.mainPivot.x,r.mainPivot.y,r.mainPivot.z),new this.bjsAMMO.btVector3(r.connectedPivot.x,r.connectedPivot.y,r.connectedPivot.z),a,s);
                        break;
                    case Ll.BallAndSocketJoint:
                        n = new this.bjsAMMO.btPoint2PointConstraint(t,i,new this.bjsAMMO.btVector3(r.mainPivot.x,r.mainPivot.y,r.mainPivot.z),new this.bjsAMMO.btVector3(r.connectedPivot.x,r.connectedPivot.y,r.connectedPivot.z));
                        break;
                    default:
                        K.Warn("JointType not currently supported by the Ammo plugin, falling back to PhysicsJoint.BallAndSocketJoint"),
                        n = new this.bjsAMMO.btPoint2PointConstraint(t,i,new this.bjsAMMO.btVector3(r.mainPivot.x,r.mainPivot.y,r.mainPivot.z),new this.bjsAMMO.btVector3(r.connectedPivot.x,r.connectedPivot.y,r.connectedPivot.z))
                    }
                    this.world.addConstraint(n, !e.joint.jointData.collision),
                    e.joint.physicsJoint = n
                }
            }
            ,
            e.prototype.removeJoint = function(e) {
                this.world && this.world.removeConstraint(e.joint.physicsJoint)
            }
            ,
            e.prototype._addMeshVerts = function(e, t, i) {
                var n = this
                  , r = 0;
                if (i && i.getIndices && i.getWorldMatrix && i.getChildMeshes) {
                    var o = i.getIndices();
                    o || (o = []);
                    var a = i.getVerticesData(Bi.PositionKind);
                    a || (a = []);
                    var s = void 0;
                    if (t && t !== i) {
                        var l;
                        l = t.rotationQuaternion ? t.rotationQuaternion : t.rotation ? C.FromEulerAngles(t.rotation.x, t.rotation.y, t.rotation.z) : C.Identity(),
                        P.Compose(x.One(), l, t.position).invertToRef(this._tmpMatrix),
                        s = i.computeWorldMatrix(!1).multiply(this._tmpMatrix)
                    } else
                        P.ScalingToRef(i.scaling.x, i.scaling.y, i.scaling.z, this._tmpMatrix),
                        s = this._tmpMatrix;
                    for (var c = o.length / 3, u = 0; u < c; u++) {
                        for (var h = [], d = 0; d < 3; d++) {
                            var p = new x(a[3 * o[3 * u + d] + 0],a[3 * o[3 * u + d] + 1],a[3 * o[3 * u + d] + 2]);
                            p = x.TransformCoordinates(p, s);
                            var f = void 0;
                            (f = 0 == d ? this._tmpAmmoVectorA : 1 == d ? this._tmpAmmoVectorB : this._tmpAmmoVectorC).setValue(p.x, p.y, p.z),
                            h.push(f)
                        }
                        e.addTriangle(h[0], h[1], h[2]),
                        r++
                    }
                    i.getChildMeshes().forEach((function(i) {
                        r += n._addMeshVerts(e, t, i)
                    }
                    ))
                }
                return r
            }
            ,
            e.prototype._softVertexData = function(e) {
                var t = e.object;
                if (t && t.getIndices && t.getWorldMatrix && t.getChildMeshes) {
                    var i = t.getIndices();
                    i || (i = []);
                    var n = t.getVerticesData(Bi.PositionKind);
                    n || (n = []);
                    var r = t.getVerticesData(Bi.NormalKind);
                    r || (r = []),
                    t.computeWorldMatrix(!1);
                    for (var o = [], a = [], s = 0; s < n.length; s += 3) {
                        var l = new x(n[s],n[s + 1],n[s + 2])
                          , c = new x(r[s],r[s + 1],r[s + 2]);
                        l = x.TransformCoordinates(l, t.getWorldMatrix()),
                        c = x.TransformNormal(c, t.getWorldMatrix()),
                        o.push(l.x, l.y, l.z),
                        a.push(c.x, c.y, c.z)
                    }
                    var u = new $n;
                    return u.positions = o,
                    u.normals = a,
                    u.uvs = t.getVerticesData(Bi.UVKind),
                    u.colors = t.getVerticesData(Bi.ColorKind),
                    t && t.getIndices && (u.indices = t.getIndices()),
                    u.applyToMesh(t),
                    t.position = x.Zero(),
                    t.rotationQuaternion = null,
                    t.rotation = x.Zero(),
                    t.computeWorldMatrix(!0),
                    u
                }
                return $n.ExtractFromMesh(t)
            }
            ,
            e.prototype._createSoftbody = function(e) {
                var t = e.object;
                if (t && t.getIndices) {
                    var i = t.getIndices();
                    i || (i = []);
                    var n = this._softVertexData(e)
                      , r = n.positions
                      , o = n.normals;
                    if (null === r || null === o)
                        return new this.bjsAMMO.btCompoundShape;
                    for (var a = [], s = [], l = 0; l < r.length; l += 3) {
                        var c = new x(r[l],r[l + 1],r[l + 2])
                          , u = new x(o[l],o[l + 1],o[l + 2]);
                        a.push(c.x, c.y, -c.z),
                        s.push(u.x, u.y, -u.z)
                    }
                    var h = (new this.bjsAMMO.btSoftBodyHelpers).CreateFromTriMesh(this.world.getWorldInfo(), a, t.getIndices(), i.length / 3, !0)
                      , d = r.length / 3
                      , p = h.get_m_nodes()
                      , f = void 0;
                    for (l = 0; l < d; l++)
                        (f = p.at(l).get_m_n()).setX(s[3 * l]),
                        f.setY(s[3 * l + 1]),
                        f.setZ(s[3 * l + 2]);
                    return h
                }
            }
            ,
            e.prototype._createCloth = function(e) {
                var t = e.object;
                if (t && t.getIndices) {
                    var i = t.getIndices();
                    i || (i = []);
                    var n = this._softVertexData(e)
                      , r = n.positions
                      , o = n.normals;
                    if (null === r || null === o)
                        return new this.bjsAMMO.btCompoundShape;
                    var a = r.length
                      , s = Math.sqrt(a / 3);
                    e.segments = s;
                    var l = s - 1;
                    return this._tmpAmmoVectorA.setValue(r[0], r[1], r[2]),
                    this._tmpAmmoVectorB.setValue(r[3 * l], r[3 * l + 1], r[3 * l + 2]),
                    this._tmpAmmoVectorD.setValue(r[a - 3], r[a - 2], r[a - 1]),
                    this._tmpAmmoVectorC.setValue(r[a - 3 - 3 * l], r[a - 2 - 3 * l], r[a - 1 - 3 * l]),
                    (new this.bjsAMMO.btSoftBodyHelpers).CreatePatch(this.world.getWorldInfo(), this._tmpAmmoVectorA, this._tmpAmmoVectorB, this._tmpAmmoVectorC, this._tmpAmmoVectorD, s, s, e.getParam("fixedPoints"), !0)
                }
            }
            ,
            e.prototype._createRope = function(e) {
                var t, i, n = this._softVertexData(e), r = n.positions, o = n.normals;
                if (null === r || null === o)
                    return new this.bjsAMMO.btCompoundShape;
                if (n.applyToMesh(e.object, !0),
                e._isFromLine = !0,
                0 === o.map((function(e) {
                    return e * e
                }
                )).reduce((function(e, t) {
                    return e + t
                }
                )))
                    i = (t = r.length) / 3 - 1,
                    this._tmpAmmoVectorA.setValue(r[0], r[1], r[2]),
                    this._tmpAmmoVectorB.setValue(r[t - 3], r[t - 2], r[t - 1]);
                else {
                    e._isFromLine = !1;
                    var a = e.getParam("path");
                    if (null === e.getParam("shape"))
                        return K.Warn("No shape available for extruded mesh"),
                        new this.bjsAMMO.btCompoundShape;
                    i = (t = a.length) - 1,
                    this._tmpAmmoVectorA.setValue(a[0].x, a[0].y, a[0].z),
                    this._tmpAmmoVectorB.setValue(a[t - 1].x, a[t - 1].y, a[t - 1].z)
                }
                e.segments = i;
                var s = e.getParam("fixedPoints");
                s = s > 3 ? 3 : s;
                var l = (new this.bjsAMMO.btSoftBodyHelpers).CreateRope(this.world.getWorldInfo(), this._tmpAmmoVectorA, this._tmpAmmoVectorB, i - 1, s);
                return l.get_m_cfg().set_collisions(17),
                l
            }
            ,
            e.prototype._createCustom = function(e) {
                var t = null;
                return this.onCreateCustomShape && (t = this.onCreateCustomShape(e)),
                null == t && (t = new this.bjsAMMO.btCompoundShape),
                t
            }
            ,
            e.prototype._addHullVerts = function(e, t, i) {
                var n = this
                  , r = 0;
                if (i && i.getIndices && i.getWorldMatrix && i.getChildMeshes) {
                    var o = i.getIndices();
                    o || (o = []);
                    var a = i.getVerticesData(Bi.PositionKind);
                    a || (a = []),
                    i.computeWorldMatrix(!1);
                    for (var s = o.length / 3, l = 0; l < s; l++) {
                        for (var c = [], u = 0; u < 3; u++) {
                            var h = new x(a[3 * o[3 * l + u] + 0],a[3 * o[3 * l + u] + 1],a[3 * o[3 * l + u] + 2]);
                            P.ScalingToRef(i.scaling.x, i.scaling.y, i.scaling.z, this._tmpMatrix),
                            h = x.TransformCoordinates(h, this._tmpMatrix);
                            var d = void 0;
                            (d = 0 == u ? this._tmpAmmoVectorA : 1 == u ? this._tmpAmmoVectorB : this._tmpAmmoVectorC).setValue(h.x, h.y, h.z),
                            c.push(d)
                        }
                        e.addPoint(c[0], !0),
                        e.addPoint(c[1], !0),
                        e.addPoint(c[2], !0),
                        r++
                    }
                    i.getChildMeshes().forEach((function(i) {
                        r += n._addHullVerts(e, t, i)
                    }
                    ))
                }
                return r
            }
            ,
            e.prototype._createShape = function(e, t) {
                var i = this;
                void 0 === t && (t = !1);
                var n, r = e.object, o = e.getObjectExtendSize();
                if (!t) {
                    var a = e.object.getChildMeshes ? e.object.getChildMeshes(!0) : [];
                    n = new this.bjsAMMO.btCompoundShape;
                    var s = 0;
                    if (a.forEach((function(e) {
                        var t = e.getPhysicsImpostor();
                        if (t) {
                            if (t.type == Vl.MeshImpostor)
                                throw "A child MeshImpostor is not supported. Only primitive impostors are supported as children (eg. box or sphere)";
                            var r = i._createShape(t)
                              , o = e.parent.getWorldMatrix().clone()
                              , a = new x;
                            o.decompose(a),
                            i._tmpAmmoTransform.getOrigin().setValue(e.position.x * a.x, e.position.y * a.y, e.position.z * a.z),
                            i._tmpAmmoQuaternion.setValue(e.rotationQuaternion.x, e.rotationQuaternion.y, e.rotationQuaternion.z, e.rotationQuaternion.w),
                            i._tmpAmmoTransform.setRotation(i._tmpAmmoQuaternion),
                            n.addChildShape(i._tmpAmmoTransform, r),
                            t.dispose(),
                            s++
                        }
                    }
                    )),
                    s > 0) {
                        if (e.type != Vl.NoImpostor) {
                            var l = this._createShape(e, !0);
                            l && (this._tmpAmmoTransform.getOrigin().setValue(0, 0, 0),
                            this._tmpAmmoQuaternion.setValue(0, 0, 0, 1),
                            this._tmpAmmoTransform.setRotation(this._tmpAmmoQuaternion),
                            n.addChildShape(this._tmpAmmoTransform, l))
                        }
                        return n
                    }
                    this.bjsAMMO.destroy(n),
                    n = null
                }
                switch (e.type) {
                case Vl.SphereImpostor:
                    if (d.WithinEpsilon(o.x, o.y, 1e-4) && d.WithinEpsilon(o.x, o.z, 1e-4))
                        n = new this.bjsAMMO.btSphereShape(o.x / 2);
                    else {
                        var c = [new this.bjsAMMO.btVector3(0,0,0)];
                        (n = new this.bjsAMMO.btMultiSphereShape(c,[1],1)).setLocalScaling(new this.bjsAMMO.btVector3(o.x / 2,o.y / 2,o.z / 2))
                    }
                    break;
                case Vl.CapsuleImpostor:
                    var u = o.x / 2;
                    n = new this.bjsAMMO.btCapsuleShape(u,o.y - 2 * u);
                    break;
                case Vl.CylinderImpostor:
                    this._tmpAmmoVectorA.setValue(o.x / 2, o.y / 2, o.z / 2),
                    n = new this.bjsAMMO.btCylinderShape(this._tmpAmmoVectorA);
                    break;
                case Vl.PlaneImpostor:
                case Vl.BoxImpostor:
                    this._tmpAmmoVectorA.setValue(o.x / 2, o.y / 2, o.z / 2),
                    n = new this.bjsAMMO.btBoxShape(this._tmpAmmoVectorA);
                    break;
                case Vl.MeshImpostor:
                    if (0 == e.getParam("mass")) {
                        if (this.onCreateCustomMeshImpostor)
                            n = this.onCreateCustomMeshImpostor(e);
                        else {
                            var h = new this.bjsAMMO.btTriangleMesh;
                            e._pluginData.toDispose.push(h);
                            var p = this._addMeshVerts(h, r, r);
                            n = 0 == p ? new this.bjsAMMO.btCompoundShape : new this.bjsAMMO.btBvhTriangleMeshShape(h)
                        }
                        break
                    }
                case Vl.ConvexHullImpostor:
                    if (this.onCreateCustomConvexHullImpostor)
                        n = this.onCreateCustomConvexHullImpostor(e);
                    else {
                        var f = new this.bjsAMMO.btConvexHullShape;
                        0 == (p = this._addHullVerts(f, r, r)) ? (e._pluginData.toDispose.push(f),
                        n = new this.bjsAMMO.btCompoundShape) : n = f
                    }
                    break;
                case Vl.NoImpostor:
                    n = new this.bjsAMMO.btSphereShape(o.x / 2);
                    break;
                case Vl.CustomImpostor:
                    n = this._createCustom(e);
                    break;
                case Vl.SoftbodyImpostor:
                    n = this._createSoftbody(e);
                    break;
                case Vl.ClothImpostor:
                    n = this._createCloth(e);
                    break;
                case Vl.RopeImpostor:
                    n = this._createRope(e);
                    break;
                default:
                    K.Warn("The impostor type is not currently supported by the ammo plugin.")
                }
                return n
            }
            ,
            e.prototype.setTransformationFromPhysicsBody = function(e) {
                e.physicsBody.getMotionState().getWorldTransform(this._tmpAmmoTransform),
                e.object.position.set(this._tmpAmmoTransform.getOrigin().x(), this._tmpAmmoTransform.getOrigin().y(), this._tmpAmmoTransform.getOrigin().z()),
                e.object.rotationQuaternion ? e.object.rotationQuaternion.set(this._tmpAmmoTransform.getRotation().x(), this._tmpAmmoTransform.getRotation().y(), this._tmpAmmoTransform.getRotation().z(), this._tmpAmmoTransform.getRotation().w()) : e.object.rotation && (this._tmpQuaternion.set(this._tmpAmmoTransform.getRotation().x(), this._tmpAmmoTransform.getRotation().y(), this._tmpAmmoTransform.getRotation().z(), this._tmpAmmoTransform.getRotation().w()),
                this._tmpQuaternion.toEulerAnglesToRef(e.object.rotation))
            }
            ,
            e.prototype.setPhysicsBodyTransformation = function(e, t, i) {
                var n = e.physicsBody.getWorldTransform();
                if (Math.abs(n.getOrigin().x() - t.x) > m || Math.abs(n.getOrigin().y() - t.y) > m || Math.abs(n.getOrigin().z() - t.z) > m || Math.abs(n.getRotation().x() - i.x) > m || Math.abs(n.getRotation().y() - i.y) > m || Math.abs(n.getRotation().z() - i.z) > m || Math.abs(n.getRotation().w() - i.w) > m)
                    if (this._tmpAmmoVectorA.setValue(t.x, t.y, t.z),
                    n.setOrigin(this._tmpAmmoVectorA),
                    this._tmpAmmoQuaternion.setValue(i.x, i.y, i.z, i.w),
                    n.setRotation(this._tmpAmmoQuaternion),
                    e.physicsBody.setWorldTransform(n),
                    0 == e.mass) {
                        var r = e.physicsBody.getMotionState();
                        r && r.setWorldTransform(n)
                    } else
                        e.physicsBody.activate()
            }
            ,
            e.prototype.isSupported = function() {
                return void 0 !== this.bjsAMMO
            }
            ,
            e.prototype.setLinearVelocity = function(e, t) {
                this._tmpAmmoVectorA.setValue(t.x, t.y, t.z),
                e.soft ? e.physicsBody.linearVelocity(this._tmpAmmoVectorA) : e.physicsBody.setLinearVelocity(this._tmpAmmoVectorA)
            }
            ,
            e.prototype.setAngularVelocity = function(e, t) {
                this._tmpAmmoVectorA.setValue(t.x, t.y, t.z),
                e.soft ? e.physicsBody.angularVelocity(this._tmpAmmoVectorA) : e.physicsBody.setAngularVelocity(this._tmpAmmoVectorA)
            }
            ,
            e.prototype.getLinearVelocity = function(e) {
                var t;
                if (!(t = e.soft ? e.physicsBody.linearVelocity() : e.physicsBody.getLinearVelocity()))
                    return null;
                var i = new x(t.x(),t.y(),t.z());
                return this.bjsAMMO.destroy(t),
                i
            }
            ,
            e.prototype.getAngularVelocity = function(e) {
                var t;
                if (!(t = e.soft ? e.physicsBody.angularVelocity() : e.physicsBody.getAngularVelocity()))
                    return null;
                var i = new x(t.x(),t.y(),t.z());
                return this.bjsAMMO.destroy(t),
                i
            }
            ,
            e.prototype.setBodyMass = function(e, t) {
                e.soft ? e.physicsBody.setTotalMass(t, !1) : e.physicsBody.setMassProps(t),
                e._pluginData.mass = t
            }
            ,
            e.prototype.getBodyMass = function(e) {
                return e._pluginData.mass || 0
            }
            ,
            e.prototype.getBodyFriction = function(e) {
                return e._pluginData.friction || 0
            }
            ,
            e.prototype.setBodyFriction = function(e, t) {
                e.soft ? e.physicsBody.get_m_cfg().set_kDF(t) : e.physicsBody.setFriction(t),
                e._pluginData.friction = t
            }
            ,
            e.prototype.getBodyRestitution = function(e) {
                return e._pluginData.restitution || 0
            }
            ,
            e.prototype.setBodyRestitution = function(e, t) {
                e.physicsBody.setRestitution(t),
                e._pluginData.restitution = t
            }
            ,
            e.prototype.getBodyPressure = function(e) {
                return e.soft ? e._pluginData.pressure || 0 : (K.Warn("Pressure is not a property of a rigid body"),
                0)
            }
            ,
            e.prototype.setBodyPressure = function(e, t) {
                e.soft ? e.type === Vl.SoftbodyImpostor ? (e.physicsBody.get_m_cfg().set_kPR(t),
                e._pluginData.pressure = t) : (e.physicsBody.get_m_cfg().set_kPR(0),
                e._pluginData.pressure = 0) : K.Warn("Pressure can only be applied to a softbody")
            }
            ,
            e.prototype.getBodyStiffness = function(e) {
                return e.soft ? e._pluginData.stiffness || 0 : (K.Warn("Stiffness is not a property of a rigid body"),
                0)
            }
            ,
            e.prototype.setBodyStiffness = function(e, t) {
                e.soft ? (t = (t = t < 0 ? 0 : t) > 1 ? 1 : t,
                e.physicsBody.get_m_materials().at(0).set_m_kLST(t),
                e._pluginData.stiffness = t) : K.Warn("Stiffness cannot be applied to a rigid body")
            }
            ,
            e.prototype.getBodyVelocityIterations = function(e) {
                return e.soft ? e._pluginData.velocityIterations || 0 : (K.Warn("Velocity iterations is not a property of a rigid body"),
                0)
            }
            ,
            e.prototype.setBodyVelocityIterations = function(e, t) {
                e.soft ? (t = t < 0 ? 0 : t,
                e.physicsBody.get_m_cfg().set_viterations(t),
                e._pluginData.velocityIterations = t) : K.Warn("Velocity iterations cannot be applied to a rigid body")
            }
            ,
            e.prototype.getBodyPositionIterations = function(e) {
                return e.soft ? e._pluginData.positionIterations || 0 : (K.Warn("Position iterations is not a property of a rigid body"),
                0)
            }
            ,
            e.prototype.setBodyPositionIterations = function(e, t) {
                e.soft ? (t = t < 0 ? 0 : t,
                e.physicsBody.get_m_cfg().set_piterations(t),
                e._pluginData.positionIterations = t) : K.Warn("Position iterations cannot be applied to a rigid body")
            }
            ,
            e.prototype.appendAnchor = function(e, t, i, n, r, o) {
                void 0 === r && (r = 1),
                void 0 === o && (o = !1);
                var a = e.segments
                  , s = Math.round((a - 1) * i) + a * (a - 1 - Math.round((a - 1) * n));
                e.physicsBody.appendAnchor(s, t.physicsBody, o, r)
            }
            ,
            e.prototype.appendHook = function(e, t, i, n, r) {
                void 0 === n && (n = 1),
                void 0 === r && (r = !1);
                var o = Math.round(e.segments * i);
                e.physicsBody.appendAnchor(o, t.physicsBody, r, n)
            }
            ,
            e.prototype.sleepBody = function(e) {
                e.physicsBody.forceActivationState(0)
            }
            ,
            e.prototype.wakeUpBody = function(e) {
                e.physicsBody.activate()
            }
            ,
            e.prototype.updateDistanceJoint = function() {
                K.Warn("updateDistanceJoint is not currently supported by the Ammo physics plugin")
            }
            ,
            e.prototype.setMotor = function(e, t, i) {
                e.physicsJoint.enableAngularMotor(!0, t, i)
            }
            ,
            e.prototype.setLimit = function() {
                K.Warn("setLimit is not currently supported by the Ammo physics plugin")
            }
            ,
            e.prototype.syncMeshWithImpostor = function(e, t) {
                t.physicsBody.getMotionState().getWorldTransform(this._tmpAmmoTransform),
                e.position.x = this._tmpAmmoTransform.getOrigin().x(),
                e.position.y = this._tmpAmmoTransform.getOrigin().y(),
                e.position.z = this._tmpAmmoTransform.getOrigin().z(),
                e.rotationQuaternion && (e.rotationQuaternion.x = this._tmpAmmoTransform.getRotation().x(),
                e.rotationQuaternion.y = this._tmpAmmoTransform.getRotation().y(),
                e.rotationQuaternion.z = this._tmpAmmoTransform.getRotation().z(),
                e.rotationQuaternion.w = this._tmpAmmoTransform.getRotation().w())
            }
            ,
            e.prototype.getRadius = function(e) {
                return e.getObjectExtendSize().x / 2
            }
            ,
            e.prototype.getBoxSizeToRef = function(e, t) {
                var i = e.getObjectExtendSize();
                t.x = i.x,
                t.y = i.y,
                t.z = i.z
            }
            ,
            e.prototype.dispose = function() {
                this.bjsAMMO.destroy(this.world),
                this.bjsAMMO.destroy(this._solver),
                this.bjsAMMO.destroy(this._overlappingPairCache),
                this.bjsAMMO.destroy(this._dispatcher),
                this.bjsAMMO.destroy(this._collisionConfiguration),
                this.bjsAMMO.destroy(this._tmpAmmoVectorA),
                this.bjsAMMO.destroy(this._tmpAmmoVectorB),
                this.bjsAMMO.destroy(this._tmpAmmoVectorC),
                this.bjsAMMO.destroy(this._tmpAmmoTransform),
                this.bjsAMMO.destroy(this._tmpAmmoQuaternion),
                this.bjsAMMO.destroy(this._tmpAmmoConcreteContactResultCallback),
                this.world = null
            }
            ,
            e.prototype.raycast = function(e, t) {
                this._tmpAmmoVectorRCA = new this.bjsAMMO.btVector3(e.x,e.y,e.z),
                this._tmpAmmoVectorRCB = new this.bjsAMMO.btVector3(t.x,t.y,t.z);
                var i = new this.bjsAMMO.ClosestRayResultCallback(this._tmpAmmoVectorRCA,this._tmpAmmoVectorRCB);
                return this.world.rayTest(this._tmpAmmoVectorRCA, this._tmpAmmoVectorRCB, i),
                this._raycastResult.reset(e, t),
                i.hasHit() && (this._raycastResult.setHitData({
                    x: i.get_m_hitNormalWorld().x(),
                    y: i.get_m_hitNormalWorld().y(),
                    z: i.get_m_hitNormalWorld().z()
                }, {
                    x: i.get_m_hitPointWorld().x(),
                    y: i.get_m_hitPointWorld().y(),
                    z: i.get_m_hitPointWorld().z()
                }),
                this._raycastResult.calculateHitDistance()),
                this.bjsAMMO.destroy(i),
                this.bjsAMMO.destroy(this._tmpAmmoVectorRCA),
                this.bjsAMMO.destroy(this._tmpAmmoVectorRCB),
                this._raycastResult
            }
            ,
            e._DISABLE_COLLISION_FLAG = 4,
            e._KINEMATIC_FLAG = 2,
            e._DISABLE_DEACTIVATION_FLAG = 4,
            e
        }();
        o.prototype.removeReflectionProbe = function(e) {
            if (!this.reflectionProbes)
                return -1;
            var t = this.reflectionProbes.indexOf(e);
            return -1 !== t && this.reflectionProbes.splice(t, 1),
            t
        }
        ,
        o.prototype.addReflectionProbe = function(e) {
            this.reflectionProbes || (this.reflectionProbes = []),
            this.reflectionProbes.push(e)
        }
        ;
        var O_ = function() {
            function e(e, t, i, n, r, o) {
                void 0 === n && (n = !0),
                void 0 === r && (r = !1),
                void 0 === o && (o = !1);
                var s = this;
                if (this.name = e,
                this._viewMatrix = P.Identity(),
                this._target = x.Zero(),
                this._add = x.Zero(),
                this._invertYAxis = !1,
                this.position = x.Zero(),
                this._parentContainer = null,
                this._scene = i,
                i.getEngine().supportsUniformBuffers) {
                    this._sceneUBOs = [];
                    for (var l = 0; l < 6; ++l)
                        this._sceneUBOs.push(i.createSceneUniformBuffer('Scene for Reflection Probe (name "'.concat(e, '") face #').concat(l)))
                }
                this._scene.reflectionProbes || (this._scene.reflectionProbes = new Array),
                this._scene.reflectionProbes.push(this);
                var c = a.TEXTURETYPE_UNSIGNED_BYTE;
                if (r) {
                    var u = this._scene.getEngine().getCaps();
                    u.textureHalfFloatRender ? c = a.TEXTURETYPE_HALF_FLOAT : u.textureFloatRender && (c = a.TEXTURETYPE_FLOAT)
                }
                this._renderTargetTexture = new ns(e,t,i,n,!0,c,!0),
                this._renderTargetTexture.gammaSpace = !o;
                var h, d = i.getEngine().useReverseDepthBuffer;
                this._renderTargetTexture.onBeforeRenderObservable.add((function(e) {
                    switch (s._sceneUBOs && (i.setSceneUniformBuffer(s._sceneUBOs[e]),
                    i.getSceneUniformBuffer().unbindEffect()),
                    e) {
                    case 0:
                        s._add.copyFromFloats(1, 0, 0);
                        break;
                    case 1:
                        s._add.copyFromFloats(-1, 0, 0);
                        break;
                    case 2:
                        s._add.copyFromFloats(0, s._invertYAxis ? 1 : -1, 0);
                        break;
                    case 3:
                        s._add.copyFromFloats(0, s._invertYAxis ? -1 : 1, 0);
                        break;
                    case 4:
                        s._add.copyFromFloats(0, 0, i.useRightHandedSystem ? -1 : 1);
                        break;
                    case 5:
                        s._add.copyFromFloats(0, 0, i.useRightHandedSystem ? 1 : -1)
                    }
                    s._attachedMesh && s.position.copyFrom(s._attachedMesh.getAbsolutePosition()),
                    s.position.addToRef(s._add, s._target);
                    var t = i.useRightHandedSystem ? P.LookAtRHToRef : P.LookAtLHToRef
                      , n = i.useRightHandedSystem ? P.PerspectiveFovRH : P.PerspectiveFovLH;
                    t(s.position, s._target, x.Up(), s._viewMatrix),
                    i.activeCamera && (s._projectionMatrix = n(Math.PI / 2, 1, d ? i.activeCamera.maxZ : i.activeCamera.minZ, d ? i.activeCamera.minZ : i.activeCamera.maxZ, s._scene.getEngine().isNDCHalfZRange),
                    i.setTransformMatrix(s._viewMatrix, s._projectionMatrix),
                    i.activeCamera.isRigCamera && !s._renderTargetTexture.activeCamera && (s._renderTargetTexture.activeCamera = i.activeCamera.rigParent || null)),
                    i._forcedViewPosition = s.position
                }
                )),
                this._renderTargetTexture.onBeforeBindObservable.add((function() {
                    var t, n;
                    s._currentSceneUBO = i.getSceneUniformBuffer(),
                    null === (n = (t = i.getEngine())._debugPushGroup) || void 0 === n || n.call(t, "reflection probe generation for ".concat(e), 1),
                    h = s._scene.imageProcessingConfiguration.applyByPostProcess,
                    o && (i.imageProcessingConfiguration.applyByPostProcess = !0)
                }
                )),
                this._renderTargetTexture.onAfterUnbindObservable.add((function() {
                    var e, t;
                    i.imageProcessingConfiguration.applyByPostProcess = h,
                    i._forcedViewPosition = null,
                    s._sceneUBOs && i.setSceneUniformBuffer(s._currentSceneUBO),
                    i.updateTransformMatrix(!0),
                    null === (t = (e = i.getEngine())._debugPopGroup) || void 0 === t || t.call(e, 1)
                }
                ))
            }
            return Object.defineProperty(e.prototype, "samples", {
                get: function() {
                    return this._renderTargetTexture.samples
                },
                set: function(e) {
                    this._renderTargetTexture.samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "refreshRate", {
                get: function() {
                    return this._renderTargetTexture.refreshRate
                },
                set: function(e) {
                    this._renderTargetTexture.refreshRate = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getScene = function() {
                return this._scene
            }
            ,
            Object.defineProperty(e.prototype, "cubeTexture", {
                get: function() {
                    return this._renderTargetTexture
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "renderList", {
                get: function() {
                    return this._renderTargetTexture.renderList
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.attachToMesh = function(e) {
                this._attachedMesh = e
            }
            ,
            e.prototype.setRenderingAutoClearDepthStencil = function(e, t) {
                this._renderTargetTexture.setRenderingAutoClearDepthStencil(e, t)
            }
            ,
            e.prototype.dispose = function() {
                var e = this._scene.reflectionProbes.indexOf(this);
                if (-1 !== e && this._scene.reflectionProbes.splice(e, 1),
                this._parentContainer) {
                    var t = this._parentContainer.reflectionProbes.indexOf(this);
                    t > -1 && this._parentContainer.reflectionProbes.splice(t, 1),
                    this._parentContainer = null
                }
                if (this._renderTargetTexture && (this._renderTargetTexture.dispose(),
                this._renderTargetTexture = null),
                this._sceneUBOs) {
                    for (var i = 0, n = this._sceneUBOs; i < n.length; i++)
                        n[i].dispose();
                    this._sceneUBOs = []
                }
            }
            ,
            e.prototype.toString = function(e) {
                var t = "Name: " + this.name;
                return e && (t += ", position: " + this.position.toString(),
                this._attachedMesh && (t += ", attached mesh: " + this._attachedMesh.name)),
                t
            }
            ,
            e.prototype.getClassName = function() {
                return "ReflectionProbe"
            }
            ,
            e.prototype.serialize = function() {
                var e = Ge.Serialize(this, this._renderTargetTexture.serialize());
                return e.isReflectionProbe = !0,
                e
            }
            ,
            e.Parse = function(t, i, n) {
                var r = null;
                if (i.reflectionProbes)
                    for (var o = 0; o < i.reflectionProbes.length; o++) {
                        var a = i.reflectionProbes[o];
                        if (a.name === t.name) {
                            r = a;
                            break
                        }
                    }
                return (r = Ge.Parse((function() {
                    return r || new e(t.name,t.renderTargetSize,i,t._generateMipMaps)
                }
                ), t, i, n)).cubeTexture._waitingRenderList = t.renderList,
                t._attachedMesh && r.attachToMesh(i.getMeshById(t._attachedMesh)),
                r
            }
            ,
            k([Ne()], e.prototype, "_attachedMesh", void 0),
            k([De()], e.prototype, "position", void 0),
            e
        }()
          , D_ = !0
          , N_ = function() {
            function e() {}
            return e.LoaderInjectedPhysicsEngine = void 0,
            e
        }()
          , L_ = {}
          , F_ = {}
          , w_ = function(e, t, i, n) {
            if (!t.materials)
                return null;
            for (var r = 0, o = t.materials.length; r < o; r++) {
                var a = t.materials[r];
                if (e(a))
                    return Or.Parse(a, i, n)
            }
            return null
        }
          , B_ = function(e, t) {
            return e + " of " + (t ? t.file + " from " + t.name + " version: " + t.version + ", exporter version: " + t.exporter_version : "unknown")
        }
          , U_ = function(e, t) {
            var i = t;
            if (t._waitingData.lods) {
                if (t._waitingData.lods.ids && t._waitingData.lods.ids.length > 0) {
                    var n = t._waitingData.lods.ids
                      , r = i.isEnabled(!1);
                    if (t._waitingData.lods.distances) {
                        var o = t._waitingData.lods.distances;
                        if (o.length >= n.length) {
                            var a = o.length > n.length ? o[o.length - 1] : 0;
                            i.setEnabled(!1);
                            for (var s = 0; s < n.length; s++) {
                                var l = n[s]
                                  , c = e.getMeshById(l);
                                null != c && i.addLODLevel(o[s], c)
                            }
                            a > 0 && i.addLODLevel(a, null),
                            !0 === r && i.setEnabled(!0)
                        } else
                            gi.Warn("Invalid level of detail distances for " + t.name)
                    }
                }
                t._waitingData.lods = null
            }
        }
          , V_ = function(e, t) {
            return "number" != typeof e ? t.getLastEntryById(e) : L_[e]
        }
          , k_ = function(e, t) {
            return "number" != typeof e ? t.getLastMaterialById(e, !0) : F_[e]
        }
          , G_ = function(e, t, i, n, r) {
            void 0 === r && (r = !1);
            var a = new zr(e)
              , s = "importScene has failed JSON parse";
            try {
                var l = JSON.parse(t);
                s = "";
                var c = od.loggingLevel === od.DETAILED_LOGGING
                  , u = void 0
                  , h = void 0;
                if (void 0 !== l.environmentTexture && null !== l.environmentTexture) {
                    var d = void 0 === l.isPBR || l.isPBR;
                    if (l.environmentTextureType && "BABYLON.HDRCubeTexture" === l.environmentTextureType) {
                        var p = l.environmentTextureSize ? l.environmentTextureSize : 128
                          , f = new E_((l.environmentTexture.match(/https?:\/\//g) ? "" : i) + l.environmentTexture,e,p,!0,!d);
                        l.environmentTextureRotationY && (f.rotationY = l.environmentTextureRotationY),
                        e.environmentTexture = f
                    } else if (oe(l.environmentTexture, ".env")) {
                        var _ = new Bd((l.environmentTexture.match(/https?:\/\//g) ? "" : i) + l.environmentTexture,e);
                        l.environmentTextureRotationY && (_.rotationY = l.environmentTextureRotationY),
                        e.environmentTexture = _
                    } else {
                        var m = Bd.CreateFromPrefilteredData((l.environmentTexture.match(/https?:\/\//g) ? "" : i) + l.environmentTexture, e);
                        l.environmentTextureRotationY && (m.rotationY = l.environmentTextureRotationY),
                        e.environmentTexture = m
                    }
                    if (!0 === l.createDefaultSkybox) {
                        var g = void 0 !== e.activeCamera && null !== e.activeCamera ? (e.activeCamera.maxZ - e.activeCamera.minZ) / 2 : 1e3
                          , v = l.skyboxBlurLevel || 0;
                        e.createDefaultSkybox(e.environmentTexture, d, g, v)
                    }
                    a.environmentTexture = e.environmentTexture
                }
                if (void 0 !== l.environmentIntensity && null !== l.environmentIntensity && (e.environmentIntensity = l.environmentIntensity),
                void 0 !== l.lights && null !== l.lights)
                    for (u = 0,
                    h = l.lights.length; u < h; u++) {
                        var y = l.lights[u];
                        (ie = Cr.Parse(y, e)) && (L_[y.uniqueId] = ie,
                        a.lights.push(ie),
                        ie._parentContainer = a,
                        s += 0 === u ? "\n\tLights:" : "",
                        s += "\n\t\t" + ie.toString(c))
                    }
                if (void 0 !== l.reflectionProbes && null !== l.reflectionProbes)
                    for (u = 0,
                    h = l.reflectionProbes.length; u < h; u++) {
                        var T = l.reflectionProbes[u]
                          , E = O_.Parse(T, e, i);
                        E && (a.reflectionProbes.push(E),
                        E._parentContainer = a,
                        s += 0 === u ? "\n\tReflection Probes:" : "",
                        s += "\n\t\t" + E.toString(c))
                    }
                if (void 0 !== l.animations && null !== l.animations)
                    for (u = 0,
                    h = l.animations.length; u < h; u++) {
                        var S = l.animations[u]
                          , A = b("BABYLON.Animation");
                        if (A) {
                            var x = A.Parse(S);
                            e.animations.push(x),
                            a.animations.push(x),
                            s += 0 === u ? "\n\tAnimations:" : "",
                            s += "\n\t\t" + x.toString(c)
                        }
                    }
                if (void 0 !== l.materials && null !== l.materials)
                    for (u = 0,
                    h = l.materials.length; u < h; u++) {
                        var R = l.materials[u]
                          , C = Or.Parse(R, e, i);
                        C && (F_[R.uniqueId || R.id] = C,
                        a.materials.push(C),
                        C._parentContainer = a,
                        s += 0 === u ? "\n\tMaterials:" : "",
                        s += "\n\t\t" + C.toString(c),
                        C.getActiveTextures().forEach((function(e) {
                            -1 == a.textures.indexOf(e) && (a.textures.push(e),
                            e._parentContainer = a)
                        }
                        )))
                    }
                if (void 0 !== l.multiMaterials && null !== l.multiMaterials)
                    for (u = 0,
                    h = l.multiMaterials.length; u < h; u++) {
                        var P = l.multiMaterials[u]
                          , M = Dr.ParseMultiMaterial(P, e);
                        F_[P.uniqueId || P.id] = M,
                        a.multiMaterials.push(M),
                        M._parentContainer = a,
                        s += 0 === u ? "\n\tMultiMaterials:" : "",
                        s += "\n\t\t" + M.toString(c),
                        M.getActiveTextures().forEach((function(e) {
                            -1 == a.textures.indexOf(e) && (a.textures.push(e),
                            e._parentContainer = a)
                        }
                        ))
                    }
                if (void 0 !== l.morphTargetManagers && null !== l.morphTargetManagers)
                    for (var I = 0, O = l.morphTargetManagers; I < O.length; I++) {
                        var D = O[I]
                          , N = x_.Parse(D, e);
                        a.morphTargetManagers.push(N),
                        N._parentContainer = a
                    }
                if (void 0 !== l.skeletons && null !== l.skeletons)
                    for (u = 0,
                    h = l.skeletons.length; u < h; u++) {
                        var L = l.skeletons[u]
                          , F = Fo.Parse(L, e);
                        a.skeletons.push(F),
                        F._parentContainer = a,
                        s += 0 === u ? "\n\tSkeletons:" : "",
                        s += "\n\t\t" + F.toString(c)
                    }
                var w = l.geometries;
                if (null != w) {
                    var B = new Array
                      , U = w.vertexData;
                    if (null != U)
                        for (u = 0,
                        h = U.length; u < h; u++) {
                            var V = U[u];
                            B.push(fr.Parse(V, e, i))
                        }
                    B.forEach((function(e) {
                        e && (a.geometries.push(e),
                        e._parentContainer = a)
                    }
                    ))
                }
                if (void 0 !== l.transformNodes && null !== l.transformNodes)
                    for (u = 0,
                    h = l.transformNodes.length; u < h; u++) {
                        var k = l.transformNodes[u]
                          , G = yr.Parse(k, e, i);
                        L_[k.uniqueId] = G,
                        a.transformNodes.push(G),
                        G._parentContainer = a
                    }
                if (void 0 !== l.meshes && null !== l.meshes)
                    for (u = 0,
                    h = l.meshes.length; u < h; u++) {
                        var z = l.meshes[u]
                          , W = Vr.Parse(z, e, i);
                        if (L_[z.uniqueId] = W,
                        a.meshes.push(W),
                        W._parentContainer = a,
                        W.hasInstances)
                            for (var H = 0, X = W.instances; H < X.length; H++) {
                                var j = X[H];
                                a.meshes.push(j),
                                j._parentContainer = a
                            }
                        s += 0 === u ? "\n\tMeshes:" : "",
                        s += "\n\t\t" + W.toString(c)
                    }
                if (void 0 !== l.cameras && null !== l.cameras)
                    for (u = 0,
                    h = l.cameras.length; u < h; u++) {
                        var Y = l.cameras[u]
                          , Q = Rr.Parse(Y, e);
                        L_[Y.uniqueId] = Q,
                        a.cameras.push(Q),
                        Q._parentContainer = a,
                        s += 0 === u ? "\n\tCameras:" : "",
                        s += "\n\t\t" + Q.toString(c)
                    }
                if (void 0 !== l.postProcesses && null !== l.postProcesses)
                    for (u = 0,
                    h = l.postProcesses.length; u < h; u++) {
                        var q = l.postProcesses[u]
                          , Z = Ba.Parse(q, e, i);
                        Z && (a.postProcesses.push(Z),
                        Z._parentContainer = a,
                        s += 0 === u ? "\nPostprocesses:" : "",
                        s += "\n\t\t" + Z.toString())
                    }
                if (void 0 !== l.animationGroups && null !== l.animationGroups)
                    for (u = 0,
                    h = l.animationGroups.length; u < h; u++) {
                        var J = l.animationGroups[u]
                          , $ = Hn.Parse(J, e);
                        a.animationGroups.push($),
                        $._parentContainer = a,
                        s += 0 === u ? "\n\tAnimationGroups:" : "",
                        s += "\n\t\t" + $.toString(c)
                    }
                for (u = 0,
                h = e.cameras.length; u < h; u++)
                    null !== (Q = e.cameras[u])._waitingParentId && (Q.parent = V_(Q._waitingParentId, e),
                    Q._waitingParentId = null);
                for (u = 0,
                h = e.lights.length; u < h; u++)
                    (ie = e.lights[u]) && null !== ie._waitingParentId && (ie.parent = V_(ie._waitingParentId, e),
                    ie._waitingParentId = null);
                for (u = 0,
                h = e.transformNodes.length; u < h; u++) {
                    var ee = e.transformNodes[u];
                    null !== ee._waitingParentId && (ee.parent = V_(ee._waitingParentId, e),
                    ee._waitingParentId = null)
                }
                for (u = 0,
                h = e.meshes.length; u < h; u++)
                    null !== (W = e.meshes[u])._waitingParentId && (W.parent = V_(W._waitingParentId, e),
                    W._waitingParentId = null),
                    W._waitingData.lods && U_(e, W);
                for (e.multiMaterials.forEach((function(t) {
                    t._waitingSubMaterialsUniqueIds.forEach((function(i) {
                        t.subMaterials.push(k_(i, e))
                    }
                    )),
                    t._waitingSubMaterialsUniqueIds = []
                }
                )),
                e.meshes.forEach((function(t) {
                    null !== t._waitingMaterialId && (t.material = k_(t._waitingMaterialId, e),
                    t._waitingMaterialId = null)
                }
                )),
                u = 0,
                h = e.skeletons.length; u < h; u++)
                    (F = e.skeletons[u])._hasWaitingData && (null != F.bones && F.bones.forEach((function(t) {
                        if (t._waitingTransformNodeId) {
                            var i = e.getLastEntryById(t._waitingTransformNodeId);
                            i && t.linkTransformNode(i),
                            t._waitingTransformNodeId = null
                        }
                    }
                    )),
                    F._hasWaitingData = null);
                for (u = 0,
                h = e.meshes.length; u < h; u++) {
                    var te = e.meshes[u];
                    te._waitingData.freezeWorldMatrix ? (te.freezeWorldMatrix(),
                    te._waitingData.freezeWorldMatrix = null) : te.computeWorldMatrix(!0)
                }
                for (u = 0,
                h = e.lights.length; u < h; u++) {
                    var ie;
                    if ((ie = e.lights[u])._excludedMeshesIds.length > 0) {
                        for (var ne = 0; ne < ie._excludedMeshesIds.length; ne++) {
                            var re = e.getMeshById(ie._excludedMeshesIds[ne]);
                            re && ie.excludedMeshes.push(re)
                        }
                        ie._excludedMeshesIds = []
                    }
                    if (ie._includedOnlyMeshesIds.length > 0) {
                        for (var ae = 0; ae < ie._includedOnlyMeshesIds.length; ae++) {
                            var se = e.getMeshById(ie._includedOnlyMeshesIds[ae]);
                            se && ie.includedOnlyMeshes.push(se)
                        }
                        ie._includedOnlyMeshesIds = []
                    }
                }
                for (o.Parse(l, e, a, i),
                u = 0,
                h = e.meshes.length; u < h; u++)
                    (W = e.meshes[u])._waitingData.actions && (_e.Parse(W._waitingData.actions, W, e),
                    W._waitingData.actions = null);
                void 0 !== l.actions && null !== l.actions && _e.Parse(l.actions, null, e)
            } catch (e) {
                var le = B_("loadAssets", l ? l.producer : "Unknown") + s;
                if (!n)
                    throw K.Log(le),
                    e;
                n(le, e)
            } finally {
                L_ = {},
                r || a.removeAllFromScene(),
                null !== s && od.loggingLevel !== od.NO_LOGGING && K.Log(B_("loadAssets", l ? l.producer : "Unknown") + (od.loggingLevel !== od.MINIMAL_LOGGING ? s : ""))
            }
            return a
        };
        od.RegisterPlugin({
            name: "babylon.js",
            extensions: ".babylon",
            canDirectLoad: function(e) {
                return -1 !== e.indexOf("babylon")
            },
            importMesh: function(e, t, i, n, r, a, s, l) {
                var c, u = "importMesh has failed JSON parse";
                try {
                    var h = JSON.parse(i);
                    u = "";
                    var d = od.loggingLevel === od.DETAILED_LOGGING;
                    e ? Array.isArray(e) || (e = [e]) : e = null;
                    var p = new Array
                      , f = [];
                    if (void 0 !== h.transformNodes && null !== h.transformNodes)
                        for (var _ = 0, m = h.transformNodes.length; _ < m; _++) {
                            var g = h.transformNodes[_];
                            f.push(yr.Parse(g, t, n))
                        }
                    if (void 0 !== h.meshes && null !== h.meshes) {
                        var v = []
                          , y = []
                          , b = []
                          , T = []
                          , E = function(i, o) {
                            var a = h.meshes[i];
                            if (null === e || function(e, t, i) {
                                for (var n in t)
                                    if (e.name === t[n])
                                        return i.push(e.id),
                                        !0;
                                return void 0 !== e.parentId && -1 !== i.indexOf(e.parentId) && (i.push(e.id),
                                !0)
                            }(a, e, p)) {
                                if (null !== e && delete e[e.indexOf(a.name)],
                                void 0 !== a.geometryId && null !== a.geometryId && void 0 !== h.geometries && null !== h.geometries) {
                                    var l = !1;
                                    ["boxes", "spheres", "cylinders", "toruses", "grounds", "planes", "torusKnots", "vertexData"].forEach((function(e) {
                                        !0 !== l && h.geometries[e] && Array.isArray(h.geometries[e]) && h.geometries[e].forEach((function(i) {
                                            i.id === a.geometryId && ("vertexData" === e && fr.Parse(i, t, n),
                                            l = !0)
                                        }
                                        ))
                                    }
                                    )),
                                    !1 === l && K.Warn("Geometry not found for mesh " + a.id)
                                }
                                if (a.materialUniqueId || a.materialId) {
                                    var c = a.materialUniqueId ? b : y
                                      , f = -1 !== c.indexOf(a.materialUniqueId || a.materialId);
                                    if (!1 === f && void 0 !== h.multiMaterials && null !== h.multiMaterials)
                                        for (var _ = function(e, i) {
                                            c.push(e);
                                            var r = w_(i, h, t, n);
                                            r && (u += "\n\tMaterial " + r.toString(d))
                                        }, m = 0, g = h.multiMaterials.length; m < g; m++) {
                                            var E = h.multiMaterials[m];
                                            if (a.materialUniqueId && E.uniqueId === a.materialUniqueId || E.id === a.materialId) {
                                                E.materialsUniqueIds ? E.materialsUniqueIds.forEach((function(e) {
                                                    return _(e, (function(t) {
                                                        return t.uniqueId === e
                                                    }
                                                    ))
                                                }
                                                )) : E.materials.forEach((function(e) {
                                                    return _(e, (function(t) {
                                                        return t.id === e
                                                    }
                                                    ))
                                                }
                                                )),
                                                c.push(E.uniqueId || E.id);
                                                var S = Dr.ParseMultiMaterial(E, t);
                                                F_[E.uniqueId || E.id] = S,
                                                S && (f = !0,
                                                u += "\n\tMulti-Material " + S.toString(d));
                                                break
                                            }
                                        }
                                    if (!1 === f) {
                                        c.push(a.materialUniqueId || a.materialId);
                                        var A = w_((function(e) {
                                            return a.MaterialUniqueId && e.uniqueId === a.materialUniqueId || e.id === a.materialId
                                        }
                                        ), h, t, n);
                                        A ? u += "\n\tMaterial " + A.toString(d) : K.Warn("Material not found for mesh " + a.id)
                                    }
                                }
                                if (a.skeletonId > -1 && void 0 !== h.skeletons && null !== h.skeletons && !(v.indexOf(a.skeletonId) > -1))
                                    for (var x = 0, R = h.skeletons.length; x < R; x++) {
                                        var C = h.skeletons[x];
                                        if (C.id === a.skeletonId) {
                                            var P = Fo.Parse(C, t);
                                            s.push(P),
                                            v.push(C.id),
                                            u += "\n\tSkeleton " + P.toString(d)
                                        }
                                    }
                                if (a.morphTargetManagerId > -1 && void 0 !== h.morphTargetManagers && null !== h.morphTargetManagers && !(T.indexOf(a.morphTargetManagerId) > -1))
                                    for (var M = 0, I = h.morphTargetManagers.length; M < I; M++) {
                                        var O = h.morphTargetManagers[M];
                                        if (O.id === a.morphTargetManagerId) {
                                            var D = x_.Parse(O, t);
                                            T.push(D.uniqueId),
                                            u += "\nMorph target " + D.toString()
                                        }
                                    }
                                var N = Vr.Parse(a, t, n);
                                r.push(N),
                                u += "\n\tMesh " + N.toString(d)
                            }
                        };
                        for (_ = 0,
                        m = h.meshes.length; _ < m; _++)
                            E(_);
                        for (t.multiMaterials.forEach((function(e) {
                            e._waitingSubMaterialsUniqueIds.forEach((function(i) {
                                e.subMaterials.push(k_(i, t))
                            }
                            )),
                            e._waitingSubMaterialsUniqueIds = []
                        }
                        )),
                        t.meshes.forEach((function(e) {
                            null !== e._waitingMaterialId && (e.material = k_(e._waitingMaterialId, t),
                            e._waitingMaterialId = null)
                        }
                        )),
                        _ = 0,
                        m = t.transformNodes.length; _ < m; _++)
                            null !== (C = t.transformNodes[_])._waitingParentId && (C.parent = t.getLastEntryById(C._waitingParentId),
                            C._waitingParentId = null);
                        var S = void 0;
                        for (_ = 0,
                        m = t.meshes.length; _ < m; _++) {
                            if ((S = t.meshes[_])._waitingParentId) {
                                if (S.parent = t.getLastEntryById(S._waitingParentId),
                                "TransformNode" === (null === (c = S.parent) || void 0 === c ? void 0 : c.getClassName())) {
                                    var A = f.indexOf(S.parent);
                                    A > -1 && f.splice(A, 1)
                                }
                                S._waitingParentId = null
                            }
                            S._waitingData.lods && U_(t, S)
                        }
                        for (var x = 0, R = f; x < R.length; x++) {
                            var C;
                            (C = R[x]).dispose()
                        }
                        for (_ = 0,
                        m = t.skeletons.length; _ < m; _++) {
                            var P = t.skeletons[_];
                            P._hasWaitingData && (null != P.bones && P.bones.forEach((function(e) {
                                if (e._waitingTransformNodeId) {
                                    var i = t.getLastEntryById(e._waitingTransformNodeId);
                                    i && e.linkTransformNode(i),
                                    e._waitingTransformNodeId = null
                                }
                            }
                            )),
                            P._hasWaitingData = null)
                        }
                        for (_ = 0,
                        m = t.meshes.length; _ < m; _++)
                            (S = t.meshes[_])._waitingData.freezeWorldMatrix ? (S.freezeWorldMatrix(),
                            S._waitingData.freezeWorldMatrix = null) : S.computeWorldMatrix(!0)
                    }
                    if (void 0 !== h.particleSystems && null !== h.particleSystems) {
                        var M = o.GetIndividualParser(Wi.NAME_PARTICLESYSTEM);
                        if (M)
                            for (_ = 0,
                            m = h.particleSystems.length; _ < m; _++) {
                                var I = h.particleSystems[_];
                                -1 !== p.indexOf(I.emitterId) && a.push(M(I, t, n))
                            }
                    }
                    return !0
                } catch (e) {
                    var O = B_("importMesh", h ? h.producer : "Unknown") + u;
                    if (!l)
                        throw K.Log(O),
                        e;
                    l(O, e)
                } finally {
                    null !== u && od.loggingLevel !== od.NO_LOGGING && K.Log(B_("importMesh", h ? h.producer : "Unknown") + (od.loggingLevel !== od.MINIMAL_LOGGING ? u : ""))
                }
                return !1
            },
            load: function(e, t, i, n) {
                var r = "importScene has failed JSON parse";
                try {
                    var o = JSON.parse(t);
                    if (r = "",
                    void 0 !== o.useDelayedTextureLoading && null !== o.useDelayedTextureLoading && (e.useDelayedTextureLoading = o.useDelayedTextureLoading && !od.ForceFullSceneLoadingForIncremental),
                    void 0 !== o.autoClear && null !== o.autoClear && (e.autoClear = o.autoClear),
                    void 0 !== o.clearColor && null !== o.clearColor && (e.clearColor = N.FromArray(o.clearColor)),
                    void 0 !== o.ambientColor && null !== o.ambientColor && (e.ambientColor = D.FromArray(o.ambientColor)),
                    void 0 !== o.gravity && null !== o.gravity && (e.gravity = x.FromArray(o.gravity)),
                    void 0 !== o.useRightHandedSystem && (e.useRightHandedSystem = !!o.useRightHandedSystem),
                    o.fogMode && 0 !== o.fogMode)
                        switch (e.fogMode = o.fogMode,
                        e.fogColor = D.FromArray(o.fogColor),
                        e.fogStart = o.fogStart,
                        e.fogEnd = o.fogEnd,
                        e.fogDensity = o.fogDensity,
                        r += "\tFog mode for scene:  ",
                        e.fogMode) {
                        case 1:
                            r += "exp\n";
                            break;
                        case 2:
                            r += "exp2\n";
                            break;
                        case 3:
                            r += "linear\n"
                        }
                    if (o.physicsEnabled) {
                        var a = void 0;
                        "cannon" === o.physicsEngine ? a = new P_(void 0,void 0,N_.LoaderInjectedPhysicsEngine) : "oimo" === o.physicsEngine ? a = new M_(void 0,N_.LoaderInjectedPhysicsEngine) : "ammo" === o.physicsEngine && (a = new I_(void 0,N_.LoaderInjectedPhysicsEngine,void 0)),
                        r = "\tPhysics engine " + (o.physicsEngine ? o.physicsEngine : "oimo") + " enabled\n";
                        var s = o.physicsGravity ? x.FromArray(o.physicsGravity) : null;
                        e.enablePhysics(s, a)
                    }
                    return void 0 !== o.metadata && null !== o.metadata && (e.metadata = o.metadata),
                    void 0 !== o.collisionsEnabled && null !== o.collisionsEnabled && (e.collisionsEnabled = o.collisionsEnabled),
                    !!G_(e, t, i, n, !0) && (o.autoAnimate && e.beginAnimation(e, o.autoAnimateFrom, o.autoAnimateTo, o.autoAnimateLoop, o.autoAnimateSpeed || 1),
                    void 0 !== o.activeCameraID && null !== o.activeCameraID && e.setActiveCameraById(o.activeCameraID),
                    !0)
                } catch (e) {
                    var l = B_("importScene", o ? o.producer : "Unknown") + r;
                    if (!n)
                        throw K.Log(l),
                        e;
                    n(l, e)
                } finally {
                    null !== r && od.loggingLevel !== od.NO_LOGGING && K.Log(B_("importScene", o ? o.producer : "Unknown") + (od.loggingLevel !== od.MINIMAL_LOGGING ? r : ""))
                }
                return !1
            },
            loadAssetContainer: function(e, t, i, n) {
                return G_(e, t, i, n)
            }
        });
        var z_ = function() {
            function e(e) {
                void 0 === e && (e = {}),
                this._isEnabled = !0,
                this.bias = void 0 === e.bias ? 0 : e.bias,
                this.power = void 0 === e.power ? 1 : e.power,
                this.leftColor = e.leftColor || D.White(),
                this.rightColor = e.rightColor || D.Black(),
                !1 === e.isEnabled && (this.isEnabled = !1)
            }
            return Object.defineProperty(e.prototype, "isEnabled", {
                get: function() {
                    return this._isEnabled
                },
                set: function(e) {
                    this._isEnabled !== e && (this._isEnabled = e,
                    vr.MarkAllMaterialsAsDirty(a.MATERIAL_FresnelDirtyFlag | a.MATERIAL_MiscDirtyFlag))
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.clone = function() {
                var t = new e;
                return fe.DeepCopy(this, t),
                t
            }
            ,
            e.prototype.equals = function(e) {
                return e && this.bias === e.bias && this.power === e.power && this.leftColor.equals(e.leftColor) && this.rightColor.equals(e.rightColor) && this.isEnabled === e.isEnabled
            }
            ,
            e.prototype.serialize = function() {
                return {
                    isEnabled: this.isEnabled,
                    leftColor: this.leftColor.asArray(),
                    rightColor: this.rightColor.asArray(),
                    bias: this.bias,
                    power: this.power
                }
            }
            ,
            e.Parse = function(t) {
                return new e({
                    isEnabled: t.isEnabled,
                    leftColor: D.FromArray(t.leftColor),
                    rightColor: D.FromArray(t.rightColor),
                    bias: t.bias,
                    power: t.power || 1
                })
            }
            ,
            e
        }();
        Ge._FresnelParametersParser = z_.Parse;
        var W_ = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i, "color", {
                    attributes: ["position"],
                    uniforms: ["world", "viewProjection", "color"]
                }) || this;
                return n.disableColorWrite = !0,
                n.forceDepthWrite = !0,
                n.setColor4("color", new N(0,0,0,1)),
                n
            }
            return U(t, e),
            t
        }(jl)
          , H_ = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n.maxSimultaneousLights = 4,
                n.disableLighting = !1,
                n.invertNormalMapX = !1,
                n.invertNormalMapY = !1,
                n.emissiveColor = new D(0,0,0),
                n.occlusionStrength = 1,
                n.useLightmapAsShadowmap = !1,
                n._useAlphaFromAlbedoTexture = !0,
                n._useAmbientInGrayScale = !0,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "doubleSided", {
                get: function() {
                    return this._twoSidedLighting
                },
                set: function(e) {
                    this._twoSidedLighting !== e && (this._twoSidedLighting = e,
                    this.backFaceCulling = !e,
                    this._markAllSubMeshesAsTexturesDirty())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PBRBaseSimpleMaterial"
            }
            ,
            k([Ce(), Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "maxSimultaneousLights", void 0),
            k([Ce(), Re("_markAllSubMeshesAsLightsDirty")], t.prototype, "disableLighting", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_reflectionTexture")], t.prototype, "environmentTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapX", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "invertNormalMapY", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_bumpTexture")], t.prototype, "normalTexture", void 0),
            k([Me("emissive"), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveColor", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "emissiveTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty", "_ambientTextureStrength")], t.prototype, "occlusionStrength", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_ambientTexture")], t.prototype, "occlusionTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty", "_alphaCutOff")], t.prototype, "alphaCutOff", void 0),
            k([Ce()], t.prototype, "doubleSided", null),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", null)], t.prototype, "lightmapTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "useLightmapAsShadowmap", void 0),
            t
        }(rp)
          , X_ = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n._useRoughnessFromMetallicTextureAlpha = !1,
                n._useRoughnessFromMetallicTextureGreen = !0,
                n._useMetallnessFromMetallicTextureBlue = !0,
                n.metallic = 1,
                n.roughness = 1,
                n
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "PBRMetallicRoughnessMaterial"
            }
            ,
            t.prototype.clone = function(e) {
                var i = this
                  , n = Ge.Clone((function() {
                    return new t(e,i.getScene())
                }
                ), this);
                return n.id = e,
                n.name = e,
                this.clearCoat.copyTo(n.clearCoat),
                this.anisotropy.copyTo(n.anisotropy),
                this.brdf.copyTo(n.brdf),
                this.sheen.copyTo(n.sheen),
                this.subSurface.copyTo(n.subSurface),
                n
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.customType = "BABYLON.PBRMetallicRoughnessMaterial",
                e.clearCoat = this.clearCoat.serialize(),
                e.anisotropy = this.anisotropy.serialize(),
                e.brdf = this.brdf.serialize(),
                e.sheen = this.sheen.serialize(),
                e.subSurface = this.subSurface.serialize(),
                e
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return e.clearCoat && r.clearCoat.parse(e.clearCoat, i, n),
                e.anisotropy && r.anisotropy.parse(e.anisotropy, i, n),
                e.brdf && r.brdf.parse(e.brdf, i, n),
                e.sheen && r.sheen.parse(e.sheen, i, n),
                e.subSurface && r.subSurface.parse(e.subSurface, i, n),
                r
            }
            ,
            k([Me(), Re("_markAllSubMeshesAsTexturesDirty", "_albedoColor")], t.prototype, "baseColor", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_albedoTexture")], t.prototype, "baseTexture", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "metallic", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty")], t.prototype, "roughness", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_metallicTexture")], t.prototype, "metallicRoughnessTexture", void 0),
            t
        }(H_);
        y("BABYLON.PBRMetallicRoughnessMaterial", X_);
        var j_ = function(e) {
            function t(t, i) {
                var n = e.call(this, t, i) || this;
                return n._useMicroSurfaceFromReflectivityMapAlpha = !0,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "useMicroSurfaceFromReflectivityMapAlpha", {
                get: function() {
                    return this._useMicroSurfaceFromReflectivityMapAlpha
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "PBRSpecularGlossinessMaterial"
            }
            ,
            t.prototype.clone = function(e) {
                var i = this
                  , n = Ge.Clone((function() {
                    return new t(e,i.getScene())
                }
                ), this);
                return n.id = e,
                n.name = e,
                this.clearCoat.copyTo(n.clearCoat),
                this.anisotropy.copyTo(n.anisotropy),
                this.brdf.copyTo(n.brdf),
                this.sheen.copyTo(n.sheen),
                this.subSurface.copyTo(n.subSurface),
                n
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.customType = "BABYLON.PBRSpecularGlossinessMaterial",
                e.clearCoat = this.clearCoat.serialize(),
                e.anisotropy = this.anisotropy.serialize(),
                e.brdf = this.brdf.serialize(),
                e.sheen = this.sheen.serialize(),
                e.subSurface = this.subSurface.serialize(),
                e
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e.name,i)
                }
                ), e, i, n);
                return e.clearCoat && r.clearCoat.parse(e.clearCoat, i, n),
                e.anisotropy && r.anisotropy.parse(e.anisotropy, i, n),
                e.brdf && r.brdf.parse(e.brdf, i, n),
                e.sheen && r.sheen.parse(e.sheen, i, n),
                e.subSurface && r.subSurface.parse(e.subSurface, i, n),
                r
            }
            ,
            k([Me("diffuse"), Re("_markAllSubMeshesAsTexturesDirty", "_albedoColor")], t.prototype, "diffuseColor", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_albedoTexture")], t.prototype, "diffuseTexture", void 0),
            k([Me("specular"), Re("_markAllSubMeshesAsTexturesDirty", "_reflectivityColor")], t.prototype, "specularColor", void 0),
            k([Ce(), Re("_markAllSubMeshesAsTexturesDirty", "_microSurface")], t.prototype, "glossiness", void 0),
            k([Pe(), Re("_markAllSubMeshesAsTexturesDirty", "_reflectivityTexture")], t.prototype, "specularGlossinessTexture", void 0),
            t
        }(H_);
        y("BABYLON.PBRSpecularGlossinessMaterial", j_);
        var Y_ = function(e) {
            function t(t, i, n) {
                void 0 === n && (n = null);
                var r = e.call(this, i) || this;
                if (!t)
                    return r;
                if (r._textureMatrix = P.Identity(),
                r.name = t,
                r.url = t,
                r._onLoad = n,
                r._texture = r._getFromCache(t, !0),
                r._texture)
                    r._triggerOnLoad();
                else {
                    var o = r.getScene();
                    o && o.useDelayedTextureLoading ? r.delayLoadState = a.DELAYLOADSTATE_NOTLOADED : r._loadTexture()
                }
                return r
            }
            return U(t, e),
            t.prototype._triggerOnLoad = function() {
                this._onLoad && this._onLoad()
            }
            ,
            t.prototype.getTextureMatrix = function() {
                return this._textureMatrix
            }
            ,
            t.prototype._load3dlTexture = function() {
                var e, i = this, n = this._getEngine();
                e = n._features.support3DTextures ? n.createRawTexture3D(null, 1, 1, 1, a.TEXTUREFORMAT_RGBA, !1, !1, a.TEXTURE_BILINEAR_SAMPLINGMODE, null, a.TEXTURETYPE_UNSIGNED_INT) : n.createRawTexture(null, 1, 1, a.TEXTUREFORMAT_RGBA, !1, !1, a.TEXTURE_BILINEAR_SAMPLINGMODE, null, a.TEXTURETYPE_UNSIGNED_INT),
                this._texture = e,
                this._texture.isReady = !1,
                this.isCube = !1,
                this.is3D = n._features.support3DTextures,
                this.wrapU = a.TEXTURE_CLAMP_ADDRESSMODE,
                this.wrapV = a.TEXTURE_CLAMP_ADDRESSMODE,
                this.wrapR = a.TEXTURE_CLAMP_ADDRESSMODE,
                this.anisotropicFilteringLevel = 1;
                var r = function(r) {
                    if ("string" == typeof r) {
                        for (var o, s = null, l = null, c = r.split("\n"), u = 0, h = 0, d = 0, p = 0, f = 0, _ = 0; _ < c.length; _++)
                            if (o = c[_],
                            t._NoneEmptyLineRegex.test(o) && 0 !== o.indexOf("#")) {
                                var m = o.split(" ");
                                if (0 !== u) {
                                    if (0 != u) {
                                        var g = Math.max(parseInt(m[0]), 0)
                                          , v = Math.max(parseInt(m[1]), 0)
                                          , y = Math.max(parseInt(m[2]), 0);
                                        f = Math.max(g, f),
                                        f = Math.max(v, f),
                                        f = Math.max(y, f);
                                        var b = 4 * (h + p * u + d * u * u);
                                        l && (l[b + 0] = g,
                                        l[b + 1] = v,
                                        l[b + 2] = y),
                                        ++d % u == 0 && (d = 0,
                                        ++p % u == 0 && (h++,
                                        p = 0))
                                    }
                                } else
                                    u = m.length,
                                    s = new Uint8Array(u * u * u * 4),
                                    l = new Float32Array(u * u * u * 4)
                            }
                        if (l && s)
                            for (_ = 0; _ < l.length; _++)
                                if (_ > 0 && (_ + 1) % 4 == 0)
                                    s[_] = 255;
                                else {
                                    var T = l[_];
                                    s[_] = T / f * 255
                                }
                        e.is3D ? (e.updateSize(u, u, u),
                        n.updateRawTexture3D(e, s, a.TEXTUREFORMAT_RGBA, !1)) : (e.updateSize(u * u, u),
                        n.updateRawTexture(e, s, a.TEXTUREFORMAT_RGBA, !1)),
                        e.isReady = !0,
                        i._triggerOnLoad()
                    }
                }
                  , o = this.getScene();
                return o ? o._loadFile(this.url, r) : n._loadFile(this.url, r),
                this._texture
            }
            ,
            t.prototype._loadTexture = function() {
                this.url && this.url.toLocaleLowerCase().indexOf(".3dl") == this.url.length - 4 && this._load3dlTexture()
            }
            ,
            t.prototype.clone = function() {
                var e = new t(this.url,this.getScene() || this._getEngine());
                return e.level = this.level,
                e
            }
            ,
            t.prototype.delayLoad = function() {
                this.delayLoadState === a.DELAYLOADSTATE_NOTLOADED && (this.delayLoadState = a.DELAYLOADSTATE_LOADED,
                this._texture = this._getFromCache(this.url, !0),
                this._texture || this._loadTexture())
            }
            ,
            t.Parse = function(e, i) {
                var n = null;
                return e.name && !e.isRenderTarget && ((n = new t(e.name,i)).name = e.name,
                n.level = e.level),
                n
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var e = {};
                return e.name = this.name,
                e.level = this.level,
                e.customType = "BABYLON.ColorGradingTexture",
                e
            }
            ,
            t._NoneEmptyLineRegex = /\S+/,
            t
        }(Zr);
        y("BABYLON.ColorGradingTexture", Y_);
        var K_ = function(e) {
            function t(t, i, n, r, o, s, l) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0),
                void 0 === s && (s = null),
                void 0 === l && (l = null);
                var c = e.call(this, i) || this;
                if (c._onLoad = null,
                c._onError = null,
                !t)
                    throw new Error("Image url is not set");
                return c._coordinatesMode = io.CUBIC_MODE,
                c.name = t,
                c.url = t,
                c._size = n,
                c._noMipmap = r,
                c.gammaSpace = o,
                c._onLoad = s,
                c._onError = l,
                c.hasAlpha = !1,
                c.isCube = !0,
                c._texture = c._getFromCache(t, c._noMipmap),
                c._texture ? s && (c._texture.isReady ? gi.SetImmediate((function() {
                    return s()
                }
                )) : c._texture.onLoadedObservable.add(s)) : i.useDelayedTextureLoading ? c.delayLoadState = a.DELAYLOADSTATE_NOTLOADED : c._loadImage(c._loadTexture.bind(c), c._onError),
                c
            }
            return U(t, e),
            t.prototype._loadImage = function(e, t) {
                var i = this
                  , n = document.createElement("canvas");
                $t(this.url, (function(t) {
                    i._width = t.width,
                    i._height = t.height,
                    n.width = i._width,
                    n.height = i._height;
                    var r = n.getContext("2d");
                    r.drawImage(t, 0, 0);
                    var o = r.getImageData(0, 0, t.width, t.height);
                    i._buffer = o.data.buffer,
                    n.remove(),
                    e()
                }
                ), (function(e, n) {
                    t && t("".concat(i.getClassName(), " could not be loaded"), n)
                }
                ), null)
            }
            ,
            t.prototype._loadTexture = function() {
                var e = this
                  , i = this.getScene();
                i && (this._texture = i.getEngine().createRawCubeTextureFromUrl(this.url, i, this._size, a.TEXTUREFORMAT_RGB, i.getEngine().getCaps().textureFloat ? a.TEXTURETYPE_FLOAT : a.TEXTURETYPE_UNSIGNED_INTEGER, this._noMipmap, (function() {
                    for (var i = e._getFloat32ArrayFromArrayBuffer(e._buffer), n = g_.ConvertPanoramaToCubemap(i, e._width, e._height, e._size), r = [], o = 0; o < 6; o++) {
                        var a = n[t._FacesMapping[o]];
                        r.push(a)
                    }
                    return r
                }
                ), null, this._onLoad, this._onError))
            }
            ,
            t.prototype._getFloat32ArrayFromArrayBuffer = function(e) {
                for (var t = new DataView(e), i = new Float32Array(3 * e.byteLength / 4), n = 0, r = 0; r < e.byteLength; r++)
                    (r + 1) % 4 != 0 && (i[n++] = t.getUint8(r) / 255);
                return i
            }
            ,
            t.prototype.getClassName = function() {
                return "EquiRectangularCubeTexture"
            }
            ,
            t.prototype.clone = function() {
                var e = this.getScene();
                if (!e)
                    return this;
                var i = new t(this.url,e,this._size,this._noMipmap,this.gammaSpace);
                return i.level = this.level,
                i.wrapU = this.wrapU,
                i.wrapV = this.wrapV,
                i.coordinatesIndex = this.coordinatesIndex,
                i.coordinatesMode = this.coordinatesMode,
                i
            }
            ,
            t._FacesMapping = ["right", "left", "up", "down", "front", "back"],
            t
        }(Zr)
          , Q_ = function(e) {
            function t(i, n, r) {
                var o = e.call(this, r.scene || r.engine) || this;
                return n && (r.engine || r.scene) ? (r = V(V({}, t._DefaultOptions), r),
                o._generateMipMaps = r.generateMipMaps,
                o._samplingMode = r.samplingMode,
                o._textureMatrix = P.Identity(),
                o.name = i,
                o.element = n,
                o._isVideo = n instanceof HTMLVideoElement,
                o.anisotropicFilteringLevel = 1,
                o._createInternalTexture(),
                o) : o
            }
            return U(t, e),
            t.prototype._createInternalTexture = function() {
                var e = 0
                  , t = 0;
                this._isVideo ? (e = this.element.videoWidth,
                t = this.element.videoHeight) : (e = this.element.width,
                t = this.element.height);
                var i = this._getEngine();
                i && (this._texture = i.createDynamicTexture(e, t, this._generateMipMaps, this._samplingMode)),
                this.update()
            }
            ,
            t.prototype.getTextureMatrix = function() {
                return this._textureMatrix
            }
            ,
            t.prototype.update = function(e) {
                void 0 === e && (e = null);
                var t = this._getEngine();
                if (null != this._texture && null != t)
                    if (this._isVideo) {
                        var i = this.element;
                        if (i.readyState < i.HAVE_CURRENT_DATA)
                            return;
                        t.updateVideoTexture(this._texture, i, null === e || e)
                    } else {
                        var n = this.element;
                        t.updateDynamicTexture(this._texture, n, null === e || e, !1)
                    }
            }
            ,
            t._DefaultOptions = {
                generateMipMaps: !1,
                samplingMode: a.TEXTURE_BILINEAR_SAMPLINGMODE,
                engine: null,
                scene: null
            },
            t
        }(Zr);
        function q_(e) {
            var t = 0;
            return {
                id_length: e[t++],
                colormap_type: e[t++],
                image_type: e[t++],
                colormap_index: e[t++] | e[t++] << 8,
                colormap_length: e[t++] | e[t++] << 8,
                colormap_size: e[t++],
                origin: [e[t++] | e[t++] << 8, e[t++] | e[t++] << 8],
                width: e[t++] | e[t++] << 8,
                height: e[t++] | e[t++] << 8,
                pixel_size: e[t++],
                flags: e[t++]
            }
        }
        function Z_(e, t) {
            if (t.length < 19)
                K.Error("Unable to load TGA file - Not enough data to contain header");
            else {
                var i = 18
                  , n = q_(t);
                if (n.id_length + i > t.length)
                    K.Error("Unable to load TGA file - Not enough data");
                else {
                    i += n.id_length;
                    var r, o = !1, a = !1, s = !1;
                    switch (n.image_type) {
                    case 9:
                        o = !0;
                    case 1:
                        a = !0;
                        break;
                    case 10:
                        o = !0;
                    case 2:
                        break;
                    case 11:
                        o = !0;
                    case 3:
                        s = !0
                    }
                    var l, c, u, h, d, p, f, _ = n.pixel_size >> 3, m = n.width * n.height * _;
                    if (a && (l = t.subarray(i, i += n.colormap_length * (n.colormap_size >> 3))),
                    o) {
                        r = new Uint8Array(m);
                        for (var g = void 0, v = void 0, y = void 0, b = 0, T = new Uint8Array(_); i < m && b < m; )
                            if (v = 1 + (127 & (g = t[i++])),
                            128 & g) {
                                for (y = 0; y < _; ++y)
                                    T[y] = t[i++];
                                for (y = 0; y < v; ++y)
                                    r.set(T, b + y * _);
                                b += _ * v
                            } else {
                                for (v *= _,
                                y = 0; y < v; ++y)
                                    r[b + y] = t[i++];
                                b += v
                            }
                    } else
                        r = t.subarray(i, i += a ? n.width * n.height : m);
                    switch ((48 & n.flags) >> 4) {
                    default:
                    case 2:
                        c = 0,
                        h = 1,
                        f = n.width,
                        u = 0,
                        d = 1,
                        p = n.height;
                        break;
                    case 0:
                        c = 0,
                        h = 1,
                        f = n.width,
                        u = n.height - 1,
                        d = -1,
                        p = -1;
                        break;
                    case 3:
                        c = n.width - 1,
                        h = -1,
                        f = -1,
                        u = 0,
                        d = 1,
                        p = n.height;
                        break;
                    case 1:
                        c = n.width - 1,
                        h = -1,
                        f = -1,
                        u = n.height - 1,
                        d = -1,
                        p = -1
                    }
                    var E = "_getImageData" + (s ? "Grey" : "") + n.pixel_size + "bits"
                      , S = J_[E](n, l, r, u, d, p, c, h, f);
                    e.getEngine()._uploadDataToTextureDirectly(e, S)
                }
            }
        }
        var J_ = {
            GetTGAHeader: q_,
            UploadContent: Z_,
            _getImageData8bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h, d = i, p = t, f = e.width, _ = e.height, m = 0, g = new Uint8Array(f * _ * 4);
                for (h = n; h !== o; h += r)
                    for (u = a; u !== l; u += s,
                    m++)
                        c = d[m],
                        g[4 * (u + f * h) + 3] = 255,
                        g[4 * (u + f * h) + 2] = p[3 * c + 0],
                        g[4 * (u + f * h) + 1] = p[3 * c + 1],
                        g[4 * (u + f * h) + 0] = p[3 * c + 2];
                return g
            },
            _getImageData16bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h, d = i, p = e.width, f = e.height, _ = 0, m = new Uint8Array(p * f * 4);
                for (h = n; h !== o; h += r)
                    for (u = a; u !== l; u += s,
                    _ += 2) {
                        var g = 255 * ((31744 & (c = d[_ + 0] + (d[_ + 1] << 8))) >> 10) / 31 | 0
                          , v = 255 * ((992 & c) >> 5) / 31 | 0
                          , y = 255 * (31 & c) / 31 | 0;
                        m[4 * (u + p * h) + 0] = g,
                        m[4 * (u + p * h) + 1] = v,
                        m[4 * (u + p * h) + 2] = y,
                        m[4 * (u + p * h) + 3] = 32768 & c ? 0 : 255
                    }
                return m
            },
            _getImageData24bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h = i, d = e.width, p = e.height, f = 0, _ = new Uint8Array(d * p * 4);
                for (u = n; u !== o; u += r)
                    for (c = a; c !== l; c += s,
                    f += 3)
                        _[4 * (c + d * u) + 3] = 255,
                        _[4 * (c + d * u) + 2] = h[f + 0],
                        _[4 * (c + d * u) + 1] = h[f + 1],
                        _[4 * (c + d * u) + 0] = h[f + 2];
                return _
            },
            _getImageData32bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h = i, d = e.width, p = e.height, f = 0, _ = new Uint8Array(d * p * 4);
                for (u = n; u !== o; u += r)
                    for (c = a; c !== l; c += s,
                    f += 4)
                        _[4 * (c + d * u) + 2] = h[f + 0],
                        _[4 * (c + d * u) + 1] = h[f + 1],
                        _[4 * (c + d * u) + 0] = h[f + 2],
                        _[4 * (c + d * u) + 3] = h[f + 3];
                return _
            },
            _getImageDataGrey8bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h, d = i, p = e.width, f = e.height, _ = 0, m = new Uint8Array(p * f * 4);
                for (h = n; h !== o; h += r)
                    for (u = a; u !== l; u += s,
                    _++)
                        c = d[_],
                        m[4 * (u + p * h) + 0] = c,
                        m[4 * (u + p * h) + 1] = c,
                        m[4 * (u + p * h) + 2] = c,
                        m[4 * (u + p * h) + 3] = 255;
                return m
            },
            _getImageDataGrey16bits: function(e, t, i, n, r, o, a, s, l) {
                var c, u, h = i, d = e.width, p = e.height, f = 0, _ = new Uint8Array(d * p * 4);
                for (u = n; u !== o; u += r)
                    for (c = a; c !== l; c += s,
                    f += 2)
                        _[4 * (c + d * u) + 0] = h[f + 0],
                        _[4 * (c + d * u) + 1] = h[f + 0],
                        _[4 * (c + d * u) + 2] = h[f + 0],
                        _[4 * (c + d * u) + 3] = h[f + 1];
                return _
            }
        }
          , $_ = function() {
            function e() {
                this.supportCascades = !1
            }
            return e.prototype.canLoad = function(e) {
                return oe(e, ".tga")
            }
            ,
            e.prototype.loadCubeData = function() {
                throw ".env not supported in Cube."
            }
            ,
            e.prototype.loadData = function(e, t, i) {
                var n = new Uint8Array(e.buffer,e.byteOffset,e.byteLength)
                  , r = q_(n);
                i(r.width, r.height, t.generateMipMaps, !1, (function() {
                    Z_(t, n)
                }
                ))
            }
            ,
            e
        }();
        vr._TextureLoaders.push(new $_);
        var em = function() {
            function e() {
                this.supportCascades = !1
            }
            return e.prototype.canLoad = function(e) {
                return oe(e, ".hdr")
            }
            ,
            e.prototype.loadCubeData = function() {
                throw ".env not supported in Cube."
            }
            ,
            e.prototype.loadData = function(e, t, i) {
                for (var n = new Uint8Array(e.buffer,e.byteOffset,e.byteLength), r = v_.RGBE_ReadHeader(n), o = v_.RGBE_ReadPixels(n, r), s = r.width * r.height, l = new Float32Array(4 * s), c = 0; c < s; c += 1)
                    l[4 * c] = o[3 * c],
                    l[4 * c + 1] = o[3 * c + 1],
                    l[4 * c + 2] = o[3 * c + 2],
                    l[4 * c + 3] = 1;
                i(r.width, r.height, t.generateMipMaps, !1, (function() {
                    var e = t.getEngine();
                    t.type = a.TEXTURETYPE_FLOAT,
                    t.format = a.TEXTUREFORMAT_RGBA,
                    t._gammaSpace = !1,
                    e._uploadDataToTextureDirectly(t, l)
                }
                ))
            }
            ,
            e
        }();
        vr._TextureLoaders.push(new em);
        var tm, im = function() {};
        !function(e) {
            e[e.cTFETC1 = 0] = "cTFETC1",
            e[e.cTFBC1 = 1] = "cTFBC1",
            e[e.cTFBC4 = 2] = "cTFBC4",
            e[e.cTFPVRTC1_4_OPAQUE_ONLY = 3] = "cTFPVRTC1_4_OPAQUE_ONLY",
            e[e.cTFBC7_M6_OPAQUE_ONLY = 4] = "cTFBC7_M6_OPAQUE_ONLY",
            e[e.cTFETC2 = 5] = "cTFETC2",
            e[e.cTFBC3 = 6] = "cTFBC3",
            e[e.cTFBC5 = 7] = "cTFBC5"
        }(tm || (tm = {}));
        var nm = {
            JSModuleURL: "https://preview.babylonjs.com/basisTranscoder/basis_transcoder.js",
            WasmModuleURL: "https://preview.babylonjs.com/basisTranscoder/basis_transcoder.wasm"
        }
          , rm = function(e, t) {
            var i;
            switch (e) {
            case tm.cTFETC1:
                i = a.TEXTUREFORMAT_COMPRESSED_RGB_ETC1_WEBGL;
                break;
            case tm.cTFBC1:
                i = a.TEXTUREFORMAT_COMPRESSED_RGB_S3TC_DXT1;
                break;
            case tm.cTFBC4:
                i = a.TEXTUREFORMAT_COMPRESSED_RGBA_S3TC_DXT5
            }
            if (void 0 === i)
                throw "The chosen Basis transcoder format is not currently supported";
            return i
        }
          , om = null
          , am = null
          , sm = 0
          , lm = function(e, t) {
            var i = e instanceof ArrayBuffer ? new Uint8Array(e) : e;
            return new Promise((function(e, n) {
                (om || (om = new Promise((function(e, t) {
                    am ? e(am) : gi.LoadFileAsync(nm.WasmModuleURL).then((function(i) {
                        var n = URL.createObjectURL(new Blob(["(".concat(hm, ")()")],{
                            type: "application/javascript"
                        }));
                        am = new Worker(n);
                        var r = function(i) {
                            "init" === i.data.action ? (am.removeEventListener("message", r),
                            e(am)) : "error" === i.data.action && t(i.data.error || "error initializing worker")
                        };
                        am.addEventListener("message", r),
                        am.postMessage({
                            action: "init",
                            url: nm.JSModuleURL,
                            wasmBinary: i
                        })
                    }
                    )).catch(t)
                }
                ))),
                om).then((function() {
                    var r = sm++
                      , o = function(t) {
                        "transcode" === t.data.action && t.data.id === r && (am.removeEventListener("message", o),
                        t.data.success ? e(t.data) : n("Transcode is not supported on this device"))
                    };
                    am.addEventListener("message", o);
                    var a = new Uint8Array(i.byteLength);
                    a.set(new Uint8Array(i.buffer,i.byteOffset,i.byteLength)),
                    am.postMessage({
                        action: "transcode",
                        id: r,
                        imageData: a,
                        config: t,
                        ignoreSupportedFormats: !1
                    }, [a.buffer])
                }
                ), (function(e) {
                    n(e)
                }
                ))
            }
            ))
        }
          , cm = function(e, t) {
            for (var i = e.getEngine(), n = function(n) {
                var r = t.fileInfo.images[n].levels[0];
                if (e._invertVScale = e.invertY,
                -1 === t.format)
                    if (e.type = a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5,
                    e.format = a.TEXTUREFORMAT_RGB,
                    !i._features.basisNeedsPOT || d.Log2(r.width) % 1 == 0 && d.Log2(r.height) % 1 == 0)
                        e._invertVScale = !e.invertY,
                        e.width = r.width + 3 & -4,
                        e.height = r.height + 3 & -4,
                        i._uploadDataToTextureDirectly(e, r.transcodedPixels, n, 0, a.TEXTUREFORMAT_RGB, !0);
                    else {
                        var o = new Lt(i,At.Temp);
                        e._invertVScale = e.invertY,
                        o.type = a.TEXTURETYPE_UNSIGNED_SHORT_5_6_5,
                        o.format = a.TEXTUREFORMAT_RGB,
                        o.width = r.width + 3 & -4,
                        o.height = r.height + 3 & -4,
                        i._bindTextureDirectly(i._gl.TEXTURE_2D, o, !0),
                        i._uploadDataToTextureDirectly(o, r.transcodedPixels, n, 0, a.TEXTUREFORMAT_RGB, !0),
                        i._rescaleTexture(o, e, i.scenes[0], i._getInternalFormat(a.TEXTUREFORMAT_RGB), (function() {
                            i._releaseTexture(o),
                            i._bindTextureDirectly(i._gl.TEXTURE_2D, e, !0)
                        }
                        ))
                    }
                else
                    e.width = r.width,
                    e.height = r.height,
                    e.generateMipMaps = t.fileInfo.images[n].levels.length > 1,
                    t.fileInfo.images[n].levels.forEach((function(r, o) {
                        i._uploadCompressedDataToTextureDirectly(e, um.GetInternalFormatFromBasisFormat(t.format, i), r.width, r.height, r.transcodedPixels, n, o)
                    }
                    )),
                    !i._features.basisNeedsPOT || d.Log2(e.width) % 1 == 0 && d.Log2(e.height) % 1 == 0 || (gi.Warn("Loaded .basis texture width and height are not a power of two. Texture wrapping will be set to Texture.CLAMP_ADDRESSMODE as other modes are not supported with non power of two dimensions in webGL 1."),
                    e._cachedWrapU = io.CLAMP_ADDRESSMODE,
                    e._cachedWrapV = io.CLAMP_ADDRESSMODE)
            }, r = 0; r < t.fileInfo.images.length; r++)
                n(r)
        }
          , um = {
            JSModuleURL: nm.JSModuleURL,
            WasmModuleURL: nm.WasmModuleURL,
            GetInternalFormatFromBasisFormat: rm,
            TranscodeAsync: lm,
            LoadTextureFromTranscodeResult: cm
        };
        function hm() {
            var e = null;
            function t(e, t, i, n, r) {
                var o = e.getImageTranscodedSizeInBytes(t, i, n)
                  , a = new Uint8Array(o);
                return e.transcodeImage(a, t, i, n, 1, 0) ? (r && (a = function(e, t, i, n) {
                    for (var r = new Uint16Array(4), o = new Uint16Array(i * n), a = i / 4, s = n / 4, l = 0; l < s; l++)
                        for (var c = 0; c < a; c++) {
                            var u = 0 + 8 * (l * a + c);
                            r[0] = e[u] | e[u + 1] << 8,
                            r[1] = e[u + 2] | e[u + 3] << 8,
                            r[2] = (2 * (31 & r[0]) + 1 * (31 & r[1])) / 3 | (2 * (2016 & r[0]) + 1 * (2016 & r[1])) / 3 & 2016 | (2 * (63488 & r[0]) + 1 * (63488 & r[1])) / 3 & 63488,
                            r[3] = (2 * (31 & r[1]) + 1 * (31 & r[0])) / 3 | (2 * (2016 & r[1]) + 1 * (2016 & r[0])) / 3 & 2016 | (2 * (63488 & r[1]) + 1 * (63488 & r[0])) / 3 & 63488;
                            for (var h = 0; h < 4; h++) {
                                var d = e[u + 4 + h]
                                  , p = (4 * l + h) * i + 4 * c;
                                o[p++] = r[3 & d],
                                o[p++] = r[d >> 2 & 3],
                                o[p++] = r[d >> 4 & 3],
                                o[p++] = r[d >> 6 & 3]
                            }
                        }
                    return o
                }(a, 0, e.getImageWidth(t, i) + 3 & -4, e.getImageHeight(t, i) + 3 & -4)),
                a) : null
            }
            onmessage = function(i) {
                if ("init" === i.data.action) {
                    if (!e) {
                        Module = {
                            wasmBinary: i.data.wasmBinary
                        };
                        try {
                            importScripts(i.data.url)
                        } catch (e) {
                            postMessage({
                                action: "error",
                                error: e
                            })
                        }
                        e = new Promise((function(e) {
                            Module.onRuntimeInitialized = function() {
                                Module.initializeBasis(),
                                e()
                            }
                        }
                        ))
                    }
                    e.then((function() {
                        postMessage({
                            action: "init"
                        })
                    }
                    ))
                } else if ("transcode" === i.data.action) {
                    var n = i.data.config
                      , r = i.data.imageData
                      , o = new Module.BasisFile(r)
                      , a = function(e) {
                        for (var t = e.getHasAlpha(), i = e.getNumImages(), n = [], r = 0; r < i; r++) {
                            for (var o = {
                                levels: []
                            }, a = e.getNumLevels(r), s = 0; s < a; s++) {
                                var l = {
                                    width: e.getImageWidth(r, s),
                                    height: e.getImageHeight(r, s)
                                };
                                o.levels.push(l)
                            }
                            n.push(o)
                        }
                        return {
                            hasAlpha: t,
                            images: n
                        }
                    }(o)
                      , s = i.data.ignoreSupportedFormats ? null : function(e, t) {
                        var i = null;
                        return e.supportedCompressionFormats && (e.supportedCompressionFormats.etc1 ? i = 0 : e.supportedCompressionFormats.s3tc ? i = t.hasAlpha ? 6 : 1 : e.supportedCompressionFormats.pvrtc || e.supportedCompressionFormats.etc2 && (i = 5)),
                        i
                    }(i.data.config, a)
                      , l = !1;
                    null === s && (l = !0,
                    s = a.hasAlpha ? 6 : 1);
                    var c = !0;
                    o.startTranscoding() || (c = !1);
                    for (var u = [], h = 0; h < a.images.length && c; h++) {
                        var d = a.images[h];
                        if (void 0 === n.loadSingleImage || n.loadSingleImage === h) {
                            var p = d.levels.length;
                            !1 === n.loadMipmapLevels && (p = 1);
                            for (var f = 0; f < p; f++) {
                                var _ = d.levels[f]
                                  , m = t(o, h, f, s, l);
                                if (!m) {
                                    c = !1;
                                    break
                                }
                                _.transcodedPixels = m,
                                u.push(_.transcodedPixels.buffer)
                            }
                        }
                    }
                    o.close(),
                    o.delete(),
                    l && (s = -1),
                    c ? postMessage({
                        action: "transcode",
                        success: c,
                        id: i.data.id,
                        fileInfo: a,
                        format: s
                    }, u) : postMessage({
                        action: "transcode",
                        success: c,
                        id: i.data.id
                    })
                }
            }
        }
        Object.defineProperty(um, "JSModuleURL", {
            get: function() {
                return nm.JSModuleURL
            },
            set: function(e) {
                nm.JSModuleURL = e
            }
        }),
        Object.defineProperty(um, "WasmModuleURL", {
            get: function() {
                return nm.WasmModuleURL
            },
            set: function(e) {
                nm.WasmModuleURL = e
            }
        });
        var dm = function() {
            function e() {
                this.supportCascades = !1
            }
            return e.prototype.canLoad = function(e) {
                return oe(e, ".basis")
            }
            ,
            e.prototype.loadCubeData = function(e, t, i, n, r) {
                if (!Array.isArray(e)) {
                    var o = t.getEngine().getCaps()
                      , a = {
                        supportedCompressionFormats: {
                            etc1: !!o.etc1,
                            s3tc: !!o.s3tc,
                            pvrtc: !!o.pvrtc,
                            etc2: !!o.etc2
                        }
                    };
                    lm(e, a).then((function(e) {
                        var i = e.fileInfo.images[0].levels.length > 1 && t.generateMipMaps;
                        cm(t, e),
                        t.getEngine()._setCubeMapTextureParams(t, i),
                        t.isReady = !0,
                        t.onLoadedObservable.notifyObservers(t),
                        t.onLoadedObservable.clear(),
                        n && n()
                    }
                    )).catch((function(e) {
                        gi.Warn("Failed to transcode Basis file, transcoding may not be supported on this device"),
                        t.isReady = !0,
                        r && r(e)
                    }
                    ))
                }
            }
            ,
            e.prototype.loadData = function(e, t, i) {
                var n = t.getEngine().getCaps()
                  , r = {
                    supportedCompressionFormats: {
                        etc1: !!n.etc1,
                        s3tc: !!n.s3tc,
                        pvrtc: !!n.pvrtc,
                        etc2: !!n.etc2
                    }
                };
                lm(e, r).then((function(e) {
                    var n = e.fileInfo.images[0].levels[0]
                      , r = e.fileInfo.images[0].levels.length > 1 && t.generateMipMaps;
                    i(n.width, n.height, r, -1 !== e.format, (function() {
                        cm(t, e)
                    }
                    ))
                }
                )).catch((function() {
                    gi.Warn("Failed to transcode Basis file, transcoding may not be supported on this device"),
                    i(0, 0, !1, !1, (function() {}
                    ), !0)
                }
                ))
            }
            ,
            e
        }();
        vr._TextureLoaders.push(new dm);
        var pm = function(e) {
            function t(t, i, n, r, o, s) {
                var l = this
                  , c = !(!o || !o.generateMipMaps) && o.generateMipMaps
                  , u = !(!o || !o.generateDepthTexture) && o.generateDepthTexture
                  , h = o && o.depthTextureFormat ? o.depthTextureFormat : a.TEXTUREFORMAT_DEPTH16
                  , d = !o || void 0 === o.doNotChangeAspectRatio || o.doNotChangeAspectRatio
                  , p = !(!o || !o.drawOnlyOnFirstAttachmentByDefault) && o.drawOnlyOnFirstAttachmentByDefault;
                if (!(l = e.call(this, t, i, r, c, d, void 0, void 0, void 0, void 0, void 0, void 0, void 0, !0) || this).isSupported)
                    return l.dispose(),
                    l;
                var f = []
                  , _ = [];
                l._initTypes(n, f, _, o);
                var m = !o || void 0 === o.generateDepthBuffer || o.generateDepthBuffer
                  , g = !(!o || void 0 === o.generateStencilBuffer) && o.generateStencilBuffer;
                return l._size = i,
                l._multiRenderTargetOptions = {
                    samplingModes: _,
                    generateMipMaps: c,
                    generateDepthBuffer: m,
                    generateStencilBuffer: g,
                    generateDepthTexture: u,
                    depthTextureFormat: h,
                    types: f,
                    textureCount: n
                },
                l._count = n,
                l._drawOnlyOnFirstAttachmentByDefault = p,
                n > 0 && (l._createInternalTextures(),
                l._createTextures(s)),
                l
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "isSupported", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this._engine) || void 0 === e ? void 0 : e.getCaps().drawBuffersExtension) && void 0 !== t && t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "textures", {
                get: function() {
                    return this._textures
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "count", {
                get: function() {
                    return this._count
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthTexture", {
                get: function() {
                    return this._textures[this._textures.length - 1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wrapU", {
                set: function(e) {
                    if (this._textures)
                        for (var t = 0; t < this._textures.length; t++)
                            this._textures[t].wrapU = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "wrapV", {
                set: function(e) {
                    if (this._textures)
                        for (var t = 0; t < this._textures.length; t++)
                            this._textures[t].wrapV = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._initTypes = function(e, t, i, n) {
                for (var r = 0; r < e; r++)
                    n && n.types && void 0 !== n.types[r] ? t.push(n.types[r]) : t.push(n && n.defaultType ? n.defaultType : a.TEXTURETYPE_UNSIGNED_INT),
                    n && n.samplingModes && void 0 !== n.samplingModes[r] ? i.push(n.samplingModes[r]) : i.push(io.BILINEAR_SAMPLINGMODE)
            }
            ,
            t.prototype._rebuild = function(e, t) {
                if (void 0 === e && (e = !1),
                !(this._count < 1)) {
                    this.releaseInternalTextures(),
                    this._createInternalTextures(),
                    e && (this._releaseTextures(),
                    this._createTextures(t));
                    for (var i = this._renderTarget.textures, n = 0; n < i.length; n++)
                        this._textures[n]._texture = i[n];
                    1 !== this.samples && this._renderTarget.setSamples(this.samples, !this._drawOnlyOnFirstAttachmentByDefault, !0)
                }
            }
            ,
            t.prototype._createInternalTextures = function() {
                this._renderTarget = this._getEngine().createMultipleRenderTarget(this._size, this._multiRenderTargetOptions, !this._drawOnlyOnFirstAttachmentByDefault),
                this._texture = this._renderTarget.texture
            }
            ,
            t.prototype._releaseTextures = function() {
                if (this._textures)
                    for (var e = 0; e < this._textures.length; e++)
                        this._textures[e]._texture = null,
                        this._textures[e].dispose()
            }
            ,
            t.prototype._createTextures = function(e) {
                var t = this._renderTarget.textures;
                this._textures = [];
                for (var i = 0; i < t.length; i++) {
                    var n = new io(null,this.getScene());
                    (null == e ? void 0 : e[i]) && (n.name = e[i]),
                    n._texture = t[i],
                    this._textures.push(n)
                }
            }
            ,
            t.prototype.setInternalTexture = function(e, t, i) {
                void 0 === i && (i = !0),
                this.renderTarget && (0 === t && (this._texture = e),
                this.renderTarget.setTexture(e, t, i),
                this.textures[t] || (this.textures[t] = new io(null,this.getScene())),
                this.textures[t]._texture = e,
                this._count = this.renderTarget.textures ? this.renderTarget.textures.length : 0,
                this._multiRenderTargetOptions.types && (this._multiRenderTargetOptions.types[t] = e.type),
                this._multiRenderTargetOptions.samplingModes && (this._multiRenderTargetOptions.samplingModes[t] = e.samplingMode))
            }
            ,
            Object.defineProperty(t.prototype, "samples", {
                get: function() {
                    return this._samples
                },
                set: function(e) {
                    this._renderTarget ? this._samples = this._renderTarget.setSamples(e) : this._samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.resize = function(e) {
                this._size = e,
                this._rebuild()
            }
            ,
            t.prototype.updateCount = function(e, t, i) {
                this._multiRenderTargetOptions.textureCount = e,
                this._count = e;
                var n = []
                  , r = [];
                this._initTypes(e, n, r, t),
                this._multiRenderTargetOptions.types = n,
                this._multiRenderTargetOptions.samplingModes = r,
                this._rebuild(!0, i)
            }
            ,
            t.prototype._unbindFrameBuffer = function(e, t) {
                var i = this;
                this._renderTarget && e.unBindMultiColorAttachmentFramebuffer(this._renderTarget, this.isCube, (function() {
                    i.onAfterRenderObservable.notifyObservers(t)
                }
                ))
            }
            ,
            t.prototype.dispose = function(t) {
                void 0 === t && (t = !1),
                this._releaseTextures(),
                t ? this._texture = null : this.releaseInternalTextures(),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.releaseInternalTextures = function() {
                var e, t, i = null === (e = this._renderTarget) || void 0 === e ? void 0 : e.textures;
                if (i) {
                    for (var n = i.length - 1; n >= 0; n--)
                        this._textures[n]._texture = null;
                    null === (t = this._renderTarget) || void 0 === t || t.dispose(),
                    this._renderTarget = null
                }
            }
            ,
            t
        }(ns)
          , fm = function(e, t, i) {
            this.id = e,
            this.scale = t,
            this.offset = i
        }
          , _m = function() {
            function e(t, i, n, r) {
                var o, a, s, l, c, u, h, d, p, f, _, m, g;
                return this.name = t,
                this.meshes = i,
                this.scene = r,
                this.options = n,
                this.options.map = null !== (o = this.options.map) && void 0 !== o ? o : ["ambientTexture", "bumpTexture", "diffuseTexture", "emissiveTexture", "lightmapTexture", "opacityTexture", "reflectionTexture", "refractionTexture", "specularTexture"],
                this.options.uvsIn = null !== (a = this.options.uvsIn) && void 0 !== a ? a : Bi.UVKind,
                this.options.uvsOut = null !== (s = this.options.uvsOut) && void 0 !== s ? s : Bi.UVKind,
                this.options.layout = null !== (l = this.options.layout) && void 0 !== l ? l : e.LAYOUT_STRIP,
                this.options.layout === e.LAYOUT_COLNUM && (this.options.colnum = null !== (c = this.options.colnum) && void 0 !== c ? c : 8),
                this.options.updateInputMeshes = null === (u = this.options.updateInputMeshes) || void 0 === u || u,
                this.options.disposeSources = null === (h = this.options.disposeSources) || void 0 === h || h,
                this._expecting = 0,
                this.options.fillBlanks = null === (d = this.options.fillBlanks) || void 0 === d || d,
                !0 === this.options.fillBlanks && (this.options.customFillColor = null !== (p = this.options.customFillColor) && void 0 !== p ? p : "black"),
                this.options.frameSize = null !== (f = this.options.frameSize) && void 0 !== f ? f : 256,
                this.options.paddingRatio = null !== (_ = this.options.paddingRatio) && void 0 !== _ ? _ : .0115,
                this._paddingValue = Math.ceil(this.options.frameSize * this.options.paddingRatio),
                this._paddingValue % 2 != 0 && this._paddingValue++,
                this.options.paddingMode = null !== (m = this.options.paddingMode) && void 0 !== m ? m : e.SUBUV_WRAP,
                this.options.paddingMode === e.SUBUV_COLOR && (this.options.paddingColor = null !== (g = this.options.paddingColor) && void 0 !== g ? g : new N(0,0,0,1)),
                this.sets = {},
                this.frames = [],
                this
            }
            return e.prototype._createFrames = function(e) {
                for (var t = this, i = this._calculateSize(), n = new A(1,1).divide(i), r = 0, o = this._expecting, a = this.meshes.length, s = Object.keys(this.sets), l = 0; l < s.length; l++) {
                    var c = s[l]
                      , u = new Ds(this.name + ".TexturePack." + c + "Set",{
                        width: i.x,
                        height: i.y
                    },this.scene,!0,io.TRILINEAR_SAMPLINGMODE,vr.TEXTUREFORMAT_RGBA)
                      , h = u.getContext();
                    h.fillStyle = "rgba(0,0,0,0)",
                    h.fillRect(0, 0, i.x, i.y),
                    u.update(!1),
                    this.sets[c] = u
                }
                var d = this.options.frameSize || 256
                  , p = this._paddingValue
                  , f = d + 2 * p;
                for (l = 0; l < a; l++)
                    for (var _ = this.meshes[l].material, m = function(a) {
                        var c = new Ds("temp",f,g.scene,!0)
                          , u = c.getContext()
                          , h = g._getFrameOffset(l)
                          , m = function() {
                            r++,
                            c.update(!1);
                            var a = u.getImageData(0, 0, f, f)
                              , s = t.sets[v];
                            if (s.getContext().putImageData(a, i.x * h.x, i.y * h.y),
                            c.dispose(),
                            s.update(!1),
                            r == o)
                                return t._calculateMeshUVFrames(d, p, i, n, t.options.updateInputMeshes || !1),
                                void e()
                        }
                          , v = s[a] || "_blank";
                        if (_ && null !== _[v]) {
                            var y = _[v]
                              , b = new Image;
                            b.src = y instanceof Ds ? y.getContext().canvas.toDataURL("image/png") : y.url,
                            gi.SetCorsBehavior(b.src, b),
                            b.onload = function() {
                                u.fillStyle = "rgba(0,0,0,0)",
                                u.fillRect(0, 0, f, f),
                                c.update(!1),
                                u.setTransform(1, 0, 0, -1, 0, 0);
                                var e = [0, 0, 1, 0, 1, 1, 0, 1, -1, 1, -1, 0, -2, 0, -1, 1, -1];
                                switch (t.options.paddingMode) {
                                case 0:
                                    for (var i = 0; i < 9; i++)
                                        u.drawImage(b, 0, 0, b.width, b.height, p + d * e[i], p + d * e[i + 1] - f, d, d);
                                    break;
                                case 1:
                                    for (var n = 0; n < p; n++)
                                        u.drawImage(b, 0, 0, b.width, b.height, n + d * e[0], p - f, d, d),
                                        u.drawImage(b, 0, 0, b.width, b.height, 2 * p - n, p - f, d, d),
                                        u.drawImage(b, 0, 0, b.width, b.height, p, n - f, d, d),
                                        u.drawImage(b, 0, 0, b.width, b.height, p, 2 * p - n - f, d, d);
                                    u.drawImage(b, 0, 0, b.width, b.height, p + d * e[0], p + d * e[1] - f, d, d);
                                    break;
                                case 2:
                                    u.fillStyle = (t.options.paddingColor || D.Black()).toHexString(),
                                    u.fillRect(0, 0, f, -f),
                                    u.clearRect(p, p, d, d),
                                    u.drawImage(b, 0, 0, b.width, b.height, p + d * e[0], p + d * e[1] - f, d, d)
                                }
                                u.setTransform(1, 0, 0, 1, 0, 0),
                                m()
                            }
                        } else
                            u.fillStyle = "rgba(0,0,0,0)",
                            g.options.fillBlanks && (u.fillStyle = g.options.customFillColor),
                            u.fillRect(0, 0, f, f),
                            m()
                    }, g = this, v = 0; v < s.length; v++)
                        m(v)
            }
            ,
            e.prototype._calculateSize = function() {
                var e = this.meshes.length || 0
                  , t = this.options.frameSize || 0
                  , i = this._paddingValue || 0;
                switch (this.options.layout) {
                case 0:
                    return new A(t * e + 2 * i * e,t + 2 * i);
                case 1:
                    var n = Math.max(2, Math.ceil(Math.sqrt(e)))
                      , r = t * n + 2 * i * n;
                    return new A(r,r);
                case 2:
                    var o = this.options.colnum || 1
                      , a = Math.max(1, Math.ceil(e / o));
                    return new A(t * o + 2 * i * o,t * a + 2 * i * a)
                }
                return A.Zero()
            }
            ,
            e.prototype._calculateMeshUVFrames = function(e, t, i, n, r) {
                for (var o = this.meshes.length, a = 0; a < o; a++) {
                    var s = this.meshes[a]
                      , l = new A(e / i.x,e / i.y)
                      , c = n.clone().scale(t)
                      , u = this._getFrameOffset(a).add(c)
                      , h = new fm(a,l,u);
                    this.frames.push(h),
                    r && (this._updateMeshUV(s, a),
                    this._updateTextureReferences(s))
                }
            }
            ,
            e.prototype._getFrameOffset = function(e) {
                var t, i, n, r = this.meshes.length;
                switch (this.options.layout) {
                case 0:
                    return new A(e * (t = 1 / r),0);
                case 1:
                    var o = Math.max(2, Math.ceil(Math.sqrt(r)));
                    return i = Math.floor(e / o),
                    new A((n = e - i * o) * (t = 1 / o),i * t);
                case 2:
                    var a = this.options.colnum || 1
                      , s = Math.max(1, Math.ceil(r / a));
                    return i = e - (n = Math.floor(e / s)) * s,
                    t = new A(1 / a,1 / s),
                    new A(n * t.x,i * t.y)
                }
                return A.Zero()
            }
            ,
            e.prototype._updateMeshUV = function(e, t) {
                var i = this.frames[t]
                  , n = e.getVerticesData(this.options.uvsIn || Bi.UVKind)
                  , r = []
                  , o = 0;
                n.length && (o = n.length || 0);
                for (var a = 0; a < o; a += 2)
                    r.push(n[a] * i.scale.x + i.offset.x, n[a + 1] * i.scale.y + i.offset.y);
                e.setVerticesData(this.options.uvsOut || Bi.UVKind, r)
            }
            ,
            e.prototype._updateTextureReferences = function(e, t) {
                void 0 === t && (t = !1);
                for (var i = e.material, n = Object.keys(this.sets), r = function(e) {
                    e.dispose && e.dispose()
                }, o = 0; o < n.length; o++) {
                    var a = n[o];
                    if (t)
                        null !== i[a] && r(i[a]),
                        i[a] = this.sets[a];
                    else {
                        if (!i)
                            return;
                        null !== i[a] && (r(i[a]),
                        i[a] = this.sets[a])
                    }
                }
            }
            ,
            e.prototype.setMeshToFrame = function(e, t, i) {
                void 0 === i && (i = !1),
                this._updateMeshUV(e, t),
                i && this._updateTextureReferences(e, !0)
            }
            ,
            e.prototype.processAsync = function() {
                var e = this;
                return new Promise((function(t, i) {
                    try {
                        if (0 === e.meshes.length)
                            return void t();
                        for (var n = 0, r = function(i) {
                            var r = e.meshes[i]
                              , o = r.material;
                            if (!o)
                                return ++n === e.meshes.length ? {
                                    value: e._createFrames(t)
                                } : "continue";
                            o.forceCompilationAsync(r).then((function() {
                                !function(i) {
                                    if (n++,
                                    e.options.map) {
                                        for (var r = 0; r < e.options.map.length; r++)
                                            null !== i[e.options.map[r]] && (e.sets[e.options.map[r]] || (e.sets[e.options.map[r]] = !0),
                                            e._expecting++);
                                        n === e.meshes.length && e._createFrames(t)
                                    }
                                }(o)
                            }
                            ))
                        }, o = 0; o < e.meshes.length; o++) {
                            var a = r(o);
                            if ("object" == typeof a)
                                return a.value
                        }
                    } catch (e) {
                        return i(e)
                    }
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                for (var e = Object.keys(this.sets), t = 0; t < e.length; t++) {
                    var i = e[t];
                    this.sets[i].dispose()
                }
            }
            ,
            e.prototype.download = function(e, t) {
                var i = this;
                void 0 === e && (e = "png"),
                void 0 === t && (t = 1),
                setTimeout((function() {
                    var n = {
                        name: i.name,
                        sets: {},
                        options: {},
                        frames: []
                    }
                      , r = Object.keys(i.sets)
                      , o = Object.keys(i.options);
                    try {
                        for (var a = 0; a < r.length; a++) {
                            var s = r[a]
                              , l = i.sets[s];
                            n.sets[s] = l.getContext().canvas.toDataURL("image/" + e, t)
                        }
                        for (a = 0; a < o.length; a++) {
                            var c = o[a];
                            n.options[c] = i.options[c]
                        }
                        for (a = 0; a < i.frames.length; a++) {
                            var u = i.frames[a];
                            n.frames.push(u.scale.x, u.scale.y, u.offset.x, u.offset.y)
                        }
                    } catch (e) {
                        return void K.Warn("Unable to download: " + e)
                    }
                    var h = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(n, null, 4))
                      , d = document.createElement("a");
                    d.setAttribute("href", h),
                    d.setAttribute("download", i.name + "_texurePackage.json"),
                    document.body.appendChild(d),
                    d.click(),
                    d.remove()
                }
                ), 0)
            }
            ,
            e.prototype.updateFromJSON = function(e) {
                try {
                    var t = JSON.parse(e);
                    this.name = t.name;
                    for (var i = Object.keys(t.options), n = 0; n < i.length; n++)
                        this.options[i[n]] = t.options[i[n]];
                    for (n = 0; n < t.frames.length; n += 4) {
                        var r = new fm(n / 4,new A(t.frames[n],t.frames[n + 1]),new A(t.frames[n + 2],t.frames[n + 3]));
                        this.frames.push(r)
                    }
                    var o = Object.keys(t.sets);
                    for (n = 0; n < o.length; n++) {
                        var a = new io(t.sets[o[n]],this.scene,!1,!1);
                        this.sets[o[n]] = a
                    }
                } catch (e) {
                    K.Warn("Unable to update from JSON: " + e)
                }
            }
            ,
            e.LAYOUT_STRIP = 0,
            e.LAYOUT_POWER2 = 1,
            e.LAYOUT_COLNUM = 2,
            e.SUBUV_WRAP = 0,
            e.SUBUV_EXTEND = 1,
            e.SUBUV_COLOR = 2,
            e
        }()
          , mm = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, n, null, r, o, a) || this;
                return s._animate = !0,
                s._time = 0,
                s._texturePath = i,
                s._loadJson(i),
                s.refreshRate = 1,
                s
            }
            return U(t, e),
            t.prototype._loadJson = function(e) {
                var t = this
                  , i = function() {
                    try {
                        t.setFragment(t._texturePath)
                    } catch (e) {
                        K.Log("No json or ShaderStore or DOM element found for CustomProceduralTexture")
                    }
                }
                  , n = e + "/config.json"
                  , r = new Ye;
                r.open("GET", n),
                r.addEventListener("load", (function() {
                    if (200 === r.status || r.responseText && r.responseText.length > 0)
                        try {
                            t._config = JSON.parse(r.response),
                            t.updateShaderUniforms(),
                            t.updateTextures(),
                            t.setFragment(t._texturePath + "/custom"),
                            t._animate = t._config.animate,
                            t.refreshRate = t._config.refreshrate
                        } catch (e) {
                            i()
                        }
                    else
                        i()
                }
                ), !1),
                r.addEventListener("error", (function() {
                    i()
                }
                ), !1);
                try {
                    r.send()
                } catch (e) {
                    K.Error("CustomProceduralTexture: Error on XHR send request.")
                }
            }
            ,
            t.prototype.isReady = function() {
                if (!e.prototype.isReady.call(this))
                    return !1;
                for (var t in this._textures)
                    if (!this._textures[t].isReady())
                        return !1;
                return !0
            }
            ,
            t.prototype.render = function(t) {
                var i = this.getScene();
                this._animate && i && (this._time += .03 * i.getAnimationRatio(),
                this.updateShaderUniforms()),
                e.prototype.render.call(this, t)
            }
            ,
            t.prototype.updateTextures = function() {
                for (var e = 0; e < this._config.sampler2Ds.length; e++)
                    this.setTexture(this._config.sampler2Ds[e].sample2Dname, new io(this._texturePath + "/" + this._config.sampler2Ds[e].textureRelativeUrl,this.getScene()))
            }
            ,
            t.prototype.updateShaderUniforms = function() {
                if (this._config)
                    for (var e = 0; e < this._config.uniforms.length; e++) {
                        var t = this._config.uniforms[e];
                        switch (t.type) {
                        case "float":
                            this.setFloat(t.name, t.value);
                            break;
                        case "color3":
                            this.setColor3(t.name, new D(t.r,t.g,t.b));
                            break;
                        case "color4":
                            this.setColor4(t.name, new N(t.r,t.g,t.b,t.a));
                            break;
                        case "vector2":
                            this.setVector2(t.name, new A(t.x,t.y));
                            break;
                        case "vector3":
                            this.setVector3(t.name, new x(t.x,t.y,t.z))
                        }
                    }
                this.setFloat("time", this._time)
            }
            ,
            Object.defineProperty(t.prototype, "animate", {
                get: function() {
                    return this._animate
                },
                set: function(e) {
                    this._animate = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t
        }(xf);
        Pt.ShadersStore.noisePixelShader = "uniform float brightness;\nuniform float persistence;\nuniform float timeScale;\nvarying vec2 vUV;\nvec2 hash22(vec2 p)\n{\np=p*mat2(127.1,311.7,269.5,183.3);\np=-1.0+2.0*fract(sin(p)*43758.5453123);\nreturn sin(p*6.283+timeScale);\n}\nfloat interpolationNoise(vec2 p)\n{\nvec2 pi=floor(p);\nvec2 pf=p-pi;\nvec2 w=pf*pf*(3.-2.*pf);\nfloat f00=dot(hash22(pi+vec2(.0,.0)),pf-vec2(.0,.0));\nfloat f01=dot(hash22(pi+vec2(.0,1.)),pf-vec2(.0,1.));\nfloat f10=dot(hash22(pi+vec2(1.0,0.)),pf-vec2(1.0,0.));\nfloat f11=dot(hash22(pi+vec2(1.0,1.)),pf-vec2(1.0,1.));\nfloat xm1=mix(f00,f10,w.x);\nfloat xm2=mix(f01,f11,w.x);\nfloat ym=mix(xm1,xm2,w.y); \nreturn ym;\n}\nfloat perlinNoise2D(float x,float y)\n{\nfloat sum=0.0;\nfloat frequency=0.0;\nfloat amplitude=0.0;\nfor(int i=0; i<OCTAVES; i++)\n{\nfrequency=pow(2.0,float(i));\namplitude=pow(persistence,float(i));\nsum=sum+interpolationNoise(vec2(x*frequency,y*frequency))*amplitude;\n}\nreturn sum;\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nfloat x=abs(vUV.x);\nfloat y=abs(vUV.y);\nfloat noise=brightness+(1.0-brightness)*perlinNoise2D(x,y);\ngl_FragColor=vec4(noise,noise,noise,1.0);\n}\n";
        var gm = function(e) {
            function t(t, i, n, r, o) {
                void 0 === i && (i = 256),
                void 0 === n && (n = E.LastCreatedScene);
                var a = e.call(this, t, i, "noise", n, r, o) || this;
                return a.time = 0,
                a.brightness = .2,
                a.octaves = 3,
                a.persistence = .8,
                a.animationSpeedFactor = 1,
                a.autoClear = !1,
                a._updateShaderUniforms(),
                a
            }
            return U(t, e),
            t.prototype._updateShaderUniforms = function() {
                var e = this.getScene();
                e && (this.time += e.getAnimationRatio() * this.animationSpeedFactor * .01,
                this.setFloat("brightness", this.brightness),
                this.setFloat("persistence", this.persistence),
                this.setFloat("timeScale", this.time))
            }
            ,
            t.prototype._getDefines = function() {
                return "#define OCTAVES " + (0 | this.octaves)
            }
            ,
            t.prototype.render = function(t) {
                this._updateShaderUniforms(),
                e.prototype.render.call(this, t)
            }
            ,
            t.prototype.serialize = function() {
                var e = {
                    customType: "BABYLON.NoiseProceduralTexture"
                };
                return e.brightness = this.brightness,
                e.octaves = this.octaves,
                e.persistence = this.persistence,
                e.animationSpeedFactor = this.animationSpeedFactor,
                e.size = this.getSize().width,
                e.generateMipMaps = this._generateMipMaps,
                e.time = this.time,
                e
            }
            ,
            t.prototype.clone = function() {
                var e = this.getSize()
                  , i = new t(this.name,e.width,this.getScene(),this._fallbackTexture ? this._fallbackTexture : void 0,this._generateMipMaps);
                return i.hasAlpha = this.hasAlpha,
                i.level = this.level,
                i.coordinatesMode = this.coordinatesMode,
                i.brightness = this.brightness,
                i.octaves = this.octaves,
                i.persistence = this.persistence,
                i.animationSpeedFactor = this.animationSpeedFactor,
                i.time = this.time,
                i
            }
            ,
            t.Parse = function(e, i) {
                var n, r = new t(e.name,e.size,i,void 0,e.generateMipMaps);
                return r.brightness = e.brightness,
                r.octaves = e.octaves,
                r.persistence = e.persistence,
                r.animationSpeedFactor = e.animationSpeedFactor,
                r.time = null !== (n = e.time) && void 0 !== n ? n : 0,
                r
            }
            ,
            t
        }(xf);
        y("BABYLON.NoiseProceduralTexture", gm);
        var vm = function(e) {
            function t(t, i, n, r, o, s, l, c, u) {
                void 0 === r && (r = a.TEXTUREFORMAT_RGBA),
                void 0 === o && (o = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === s && (s = !1),
                void 0 === l && (l = !1),
                void 0 === c && (c = a.TEXTURE_TRILINEAR_SAMPLINGMODE),
                void 0 === u && (u = null);
                var h = e.call(this, "", t) || this;
                return h._texture = t.getEngine().createRawCubeTexture(i, n, r, o, s, l, c, u),
                h
            }
            return U(t, e),
            t.prototype.update = function(e, t, i, n, r) {
                void 0 === r && (r = null),
                this._texture.getEngine().updateRawCubeTexture(this._texture, e, t, i, n, r)
            }
            ,
            t.prototype.updateRGBDAsync = function(e, t, i, n) {
                return void 0 === t && (t = null),
                void 0 === i && (i = .8),
                void 0 === n && (n = 0),
                Kc(this._texture, e, t, i, n).then((function() {}
                ))
            }
            ,
            t.prototype.clone = function() {
                var e = this;
                return Ge.Clone((function() {
                    var i = e.getScene()
                      , n = e._texture
                      , r = new t(i,n._bufferViewArray,n.width,n.format,n.type,n.generateMipMaps,n.invertY,n.samplingMode,n._compression);
                    return n.source === At.CubeRawRGBD && r.updateRGBDAsync(n._bufferViewArrayArray, n._sphericalPolynomial, n._lodGenerationScale, n._lodGenerationOffset),
                    r
                }
                ), this)
            }
            ,
            t
        }(Bd)
          , ym = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === l && (l = !0),
                void 0 === c && (c = !1),
                void 0 === u && (u = io.TRILINEAR_SAMPLINGMODE),
                void 0 === h && (h = a.TEXTURETYPE_UNSIGNED_INT);
                var d = e.call(this, null, s, !l, c) || this;
                return d.format = o,
                d._texture = s.getEngine().createRawTexture3D(t, i, n, r, o, l, c, u, null, h),
                d.is3D = !0,
                d
            }
            return U(t, e),
            t.prototype.update = function(e) {
                this._texture && this._getEngine().updateRawTexture3D(this._texture, e, this._texture.format, this._texture.invertY, null, this._texture.type)
            }
            ,
            t
        }(io)
          , bm = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t, i, n, r, !0) || this;
                return o.refractionPlane = new hn(0,1,0,1),
                o.depth = 2,
                o.onBeforeRenderObservable.add((function() {
                    o.getScene().clipPlane = o.refractionPlane
                }
                )),
                o.onAfterRenderObservable.add((function() {
                    o.getScene().clipPlane = null
                }
                )),
                o
            }
            return U(t, e),
            t.prototype.clone = function() {
                var e = this.getScene();
                if (!e)
                    return this;
                var i = this.getSize()
                  , n = new t(this.name,i.width,e,this._generateMipMaps);
                return n.hasAlpha = this.hasAlpha,
                n.level = this.level,
                n.refractionPlane = this.refractionPlane.clone(),
                this.renderList && (n.renderList = this.renderList.slice(0)),
                n.depth = this.depth,
                n
            }
            ,
            t.prototype.serialize = function() {
                if (!this.name)
                    return null;
                var t = e.prototype.serialize.call(this);
                return t.mirrorPlane = this.refractionPlane.asArray(),
                t.depth = this.depth,
                t
            }
            ,
            t
        }(ns)
          , Tm = function(e) {
            function t(t, i, n) {
                var r = e.call(this, null) || this;
                return r._renderTarget = null,
                r._engine = t,
                r._renderTargetOptions = n,
                r.resize(i),
                r
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "renderTarget", {
                get: function() {
                    return this._renderTarget
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.resize = function(e) {
                var t;
                null === (t = this._renderTarget) || void 0 === t || t.dispose(),
                this._renderTarget = null,
                this._texture = null,
                this._size = e,
                this._engine && (this._renderTarget = this._engine.createRenderTargetTexture(this._size, this._renderTargetOptions)),
                this._texture = this.renderTarget.texture
            }
            ,
            t.prototype.getInternalTexture = function() {
                return this._texture
            }
            ,
            t.prototype.getClassName = function() {
                return "ThinRenderTargetTexture"
            }
            ,
            t.prototype.dispose = function(e) {
                var t;
                void 0 === e && (e = !1),
                null === (t = this._renderTarget) || void 0 === t || t.dispose(!0),
                this._renderTarget = null,
                e || this.dispose()
            }
            ,
            t
        }(qr)
          , Em = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Vertex) || this;
                return i.registerInput("matricesIndices", Op.Vector4),
                i.registerInput("matricesWeights", Op.Vector4),
                i.registerInput("matricesIndicesExtra", Op.Vector4, !0),
                i.registerInput("matricesWeightsExtra", Op.Vector4, !0),
                i.registerInput("world", Op.Matrix),
                i.registerOutput("output", Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("boneSampler"),
                e._excludeVariableName("boneTextureWidth"),
                e._excludeVariableName("mBones"),
                e._excludeVariableName("BonesPerMesh")
            }
            ,
            t.prototype.getClassName = function() {
                return "BonesBlock"
            }
            ,
            Object.defineProperty(t.prototype, "matricesIndices", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "matricesWeights", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "matricesIndicesExtra", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "matricesWeightsExtra", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.matricesIndices.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "matricesIndices" === e.name
                    }
                    ));
                    t || (t = new tf("matricesIndices")).setAsAttribute("matricesIndices"),
                    t.output.connectTo(this.matricesIndices)
                }
                if (!this.matricesWeights.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "matricesWeights" === e.name
                    }
                    ));
                    i || (i = new tf("matricesWeights")).setAsAttribute("matricesWeights"),
                    i.output.connectTo(this.matricesWeights)
                }
                if (!this.world.isConnected) {
                    var n = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.World
                    }
                    ));
                    n || (n = new tf("world")).setAsSystemValue(Qp.World),
                    n.output.connectTo(this.world)
                }
            }
            ,
            t.prototype.provideFallbacks = function(e, t) {
                e && e.useBones && e.computeBonesUsingShaders && e.skeleton && t.addCPUSkinningFallback(0, e)
            }
            ,
            t.prototype.bind = function(e, t, i) {
                Mr.BindBonesParameters(i, e)
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                i._areAttributesDirty && Mr.PrepareDefinesForBones(e, i)
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t),
                t.sharedData.blocksWithFallbacks.push(this),
                t.sharedData.forcedBindableBlocks.push(this),
                t.sharedData.blocksWithDefines.push(this),
                t.uniforms.push("boneTextureWidth"),
                t.uniforms.push("mBones"),
                t.samplers.push("boneSampler");
                var i = "//".concat(this.name);
                t._emitFunctionFromInclude("bonesDeclaration", i, {
                    removeAttributes: !0,
                    removeUniforms: !1,
                    removeVaryings: !0,
                    removeIfDef: !1
                });
                var n = t._getFreeVariableName("influence");
                t.compilationString += t._emitCodeFromInclude("bonesVertex", i, {
                    replaceStrings: [{
                        search: /finalWorld=finalWorld\*influence;/,
                        replace: ""
                    }, {
                        search: /influence/gm,
                        replace: n
                    }]
                });
                var r = this._outputs[0]
                  , o = this.world;
                return t.compilationString += "#if NUM_BONE_INFLUENCERS>0\r\n",
                t.compilationString += this._declareOutput(r, t) + " = ".concat(o.associatedVariableName, " * ").concat(n, ";\r\n"),
                t.compilationString += "#else\r\n",
                t.compilationString += this._declareOutput(r, t) + " = ".concat(o.associatedVariableName, ";\r\n"),
                t.compilationString += "#endif\r\n",
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.BonesBlock", Em);
        var Sm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Vertex) || this;
                return i.registerInput("world0", Op.Vector4),
                i.registerInput("world1", Op.Vector4),
                i.registerInput("world2", Op.Vector4),
                i.registerInput("world3", Op.Vector4),
                i.registerInput("world", Op.Matrix, !0),
                i.registerOutput("output", Op.Matrix),
                i.registerOutput("instanceID", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "InstancesBlock"
            }
            ,
            Object.defineProperty(t.prototype, "world0", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world1", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world2", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world3", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "instanceID", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.world0.connectedPoint) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "world0" === e.name
                    }
                    ));
                    t || (t = new tf("world0")).setAsAttribute("world0"),
                    t.output.connectTo(this.world0)
                }
                if (!this.world1.connectedPoint) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "world1" === e.name
                    }
                    ));
                    i || (i = new tf("world1")).setAsAttribute("world1"),
                    i.output.connectTo(this.world1)
                }
                if (!this.world2.connectedPoint) {
                    var n = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "world2" === e.name
                    }
                    ));
                    n || (n = new tf("world2")).setAsAttribute("world2"),
                    n.output.connectTo(this.world2)
                }
                if (!this.world3.connectedPoint) {
                    var r = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "world3" === e.name
                    }
                    ));
                    r || (r = new tf("world3")).setAsAttribute("world3"),
                    r.output.connectTo(this.world3)
                }
                if (!this.world.connectedPoint) {
                    var o = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "world" === e.name
                    }
                    ));
                    o || (o = new tf("world")).setAsSystemValue(Qp.World),
                    o.output.connectTo(this.world)
                }
                this.world.define = "!INSTANCES || THIN_INSTANCES"
            }
            ,
            t.prototype.prepareDefines = function(e, t, i, n, r) {
                void 0 === n && (n = !1);
                var o = !1;
                i.INSTANCES !== n && (i.setValue("INSTANCES", n),
                o = !0),
                r && i.THIN_INSTANCES !== !!(null == r ? void 0 : r.getRenderingMesh().hasThinInstances) && (i.setValue("THIN_INSTANCES", !!(null == r ? void 0 : r.getRenderingMesh().hasThinInstances)),
                o = !0),
                o && i.markAsUnprocessed()
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = t.sharedData.scene.getEngine();
                t.sharedData.blocksWithDefines.push(this);
                var n = this._outputs[0]
                  , r = this._outputs[1]
                  , o = this.world0
                  , a = this.world1
                  , s = this.world2
                  , l = this.world3;
                return t.compilationString += "#ifdef INSTANCES\r\n",
                t.compilationString += this._declareOutput(n, t) + " = mat4(".concat(o.associatedVariableName, ", ").concat(a.associatedVariableName, ", ").concat(s.associatedVariableName, ", ").concat(l.associatedVariableName, ");\r\n"),
                t.compilationString += "#ifdef THIN_INSTANCES\r\n",
                t.compilationString += "".concat(n.associatedVariableName, " = ").concat(this.world.associatedVariableName, " * ").concat(n.associatedVariableName, ";\r\n"),
                t.compilationString += "#endif\r\n",
                i._caps.canUseGLInstanceID ? t.compilationString += this._declareOutput(r, t) + " = float(gl_InstanceID);\r\n" : t.compilationString += this._declareOutput(r, t) + " = 0.0;\r\n",
                t.compilationString += "#else\r\n",
                t.compilationString += this._declareOutput(n, t) + " = ".concat(this.world.associatedVariableName, ";\r\n"),
                t.compilationString += this._declareOutput(r, t) + " = 0.0;\r\n",
                t.compilationString += "#endif\r\n",
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.InstancesBlock", Sm);
        var Am = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Vertex) || this;
                return i.registerInput("position", Op.Vector3),
                i.registerInput("normal", Op.Vector3),
                i.registerInput("tangent", Op.Vector3),
                i.registerInput("uv", Op.Vector2),
                i.registerOutput("positionOutput", Op.Vector3),
                i.registerOutput("normalOutput", Op.Vector3),
                i.registerOutput("tangentOutput", Op.Vector3),
                i.registerOutput("uvOutput", Op.Vector2),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "MorphTargetsBlock"
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tangent", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "positionOutput", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normalOutput", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tangentOutput", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uvOutput", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("morphTargetInfluences")
            }
            ,
            t.prototype.autoConfigure = function(e) {
                if (!this.position.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "position" === e.name
                    }
                    ));
                    t || (t = new tf("position")).setAsAttribute(),
                    t.output.connectTo(this.position)
                }
                if (!this.normal.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "normal" === e.name
                    }
                    ));
                    i || (i = new tf("normal")).setAsAttribute("normal"),
                    i.output.connectTo(this.normal)
                }
                if (!this.tangent.isConnected) {
                    var n = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "tangent" === e.name
                    }
                    ));
                    n || (n = new tf("tangent")).setAsAttribute("tangent"),
                    n.output.connectTo(this.tangent)
                }
                if (!this.uv.isConnected) {
                    var r = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "uv" === e.name
                    }
                    ));
                    r || (r = new tf("uv")).setAsAttribute("uv"),
                    r.output.connectTo(this.uv)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                if (e.morphTargetManager) {
                    var n = e.morphTargetManager;
                    (null == n ? void 0 : n.isUsingTextureForTargets) && n.numInfluencers !== i.NUM_MORPH_INFLUENCERS && i.markAsAttributesDirty()
                }
                i._areAttributesDirty && Mr.PrepareDefinesForMorphTargets(e, i)
            }
            ,
            t.prototype.bind = function(e, t, i) {
                i && i.morphTargetManager && i.morphTargetManager.numInfluencers > 0 && (Mr.BindMorphTargetParameters(i, e),
                i.morphTargetManager.isUsingTextureForTargets && i.morphTargetManager._bind(e))
            }
            ,
            t.prototype.replaceRepeatableContent = function(e, t, i, n) {
                var r = this.position
                  , o = this.normal
                  , a = this.tangent
                  , s = this.uv
                  , l = this.positionOutput
                  , c = this.normalOutput
                  , u = this.tangentOutput
                  , h = this.uvOutput
                  , d = e
                  , p = n.NUM_MORPH_INFLUENCERS
                  , f = i.morphTargetManager
                  , _ = f && f.supportsNormals && n.NORMAL
                  , m = f && f.supportsTangents && n.TANGENT
                  , g = f && f.supportsUVs && n.UV1
                  , v = "";
                (null == f ? void 0 : f.isUsingTextureForTargets) && p > 0 && (v += "float vertexID;\r\n");
                for (var y = 0; y < p; y++)
                    v += "#ifdef MORPHTARGETS\r\n",
                    (null == f ? void 0 : f.isUsingTextureForTargets) ? (v += "vertexID = float(gl_VertexID) * morphTargetTextureInfo.x;\r\n",
                    v += "".concat(l.associatedVariableName, " += (readVector3FromRawSampler(").concat(y, ", vertexID) - ").concat(r.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "vertexID += 1.0;\r\n") : v += "".concat(l.associatedVariableName, " += (position").concat(y, " - ").concat(r.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n"),
                    _ && (v += "#ifdef MORPHTARGETS_NORMAL\r\n",
                    (null == f ? void 0 : f.isUsingTextureForTargets) ? (v += "".concat(c.associatedVariableName, " += (readVector3FromRawSampler(").concat(y, ", vertexID) - ").concat(o.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "vertexID += 1.0;\r\n") : v += "".concat(c.associatedVariableName, " += (normal").concat(y, " - ").concat(o.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "#endif\r\n"),
                    g && (v += "#ifdef MORPHTARGETS_UV\r\n",
                    (null == f ? void 0 : f.isUsingTextureForTargets) ? (v += "".concat(h.associatedVariableName, " += (readVector3FromRawSampler(").concat(y, ", vertexID).xy - ").concat(s.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "vertexID += 1.0;\r\n") : v += "".concat(h.associatedVariableName, ".xy += (uv_").concat(y, " - ").concat(s.associatedVariableName, ".xy) * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "#endif\r\n"),
                    m && (v += "#ifdef MORPHTARGETS_TANGENT\r\n",
                    (null == f ? void 0 : f.isUsingTextureForTargets) ? v += "".concat(u.associatedVariableName, " += (readVector3FromRawSampler(").concat(y, ", vertexID) - ").concat(a.associatedVariableName, ") * morphTargetInfluences[").concat(y, "];\r\n") : v += "".concat(u.associatedVariableName, ".xyz += (tangent").concat(y, " - ").concat(a.associatedVariableName, ".xyz) * morphTargetInfluences[").concat(y, "];\r\n"),
                    v += "#endif\r\n"),
                    v += "#endif\r\n";
                if (d.compilationString = d.compilationString.replace(this._repeatableContentAnchor, v),
                p > 0)
                    for (y = 0; y < p; y++)
                        d.attributes.push(Bi.PositionKind + y),
                        _ && d.attributes.push(Bi.NormalKind + y),
                        m && d.attributes.push(Bi.TangentKind + y),
                        g && d.attributes.push(Bi.UVKind + "_" + y)
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t),
                t.sharedData.blocksWithDefines.push(this),
                t.sharedData.bindableBlocks.push(this),
                t.sharedData.repeatableContentBlocks.push(this);
                var i = this.position
                  , n = this.normal
                  , r = this.tangent
                  , o = this.uv
                  , a = this.positionOutput
                  , s = this.normalOutput
                  , l = this.tangentOutput
                  , c = this.uvOutput
                  , u = "//".concat(this.name);
                return t.uniforms.push("morphTargetInfluences"),
                t.uniforms.push("morphTargetTextureInfo"),
                t.uniforms.push("morphTargetTextureIndices"),
                t.samplers.push("morphTargets"),
                t._emitFunctionFromInclude("morphTargetsVertexGlobalDeclaration", u),
                t._emitFunctionFromInclude("morphTargetsVertexDeclaration", u, {
                    repeatKey: "maxSimultaneousMorphTargets"
                }),
                t.compilationString += "".concat(this._declareOutput(a, t), " = ").concat(i.associatedVariableName, ";\r\n"),
                t.compilationString += "#ifdef NORMAL\r\n",
                t.compilationString += "".concat(this._declareOutput(s, t), " = ").concat(n.associatedVariableName, ";\r\n"),
                t.compilationString += "#else\r\n",
                t.compilationString += "".concat(this._declareOutput(s, t), " = vec3(0., 0., 0.);\r\n"),
                t.compilationString += "#endif\r\n",
                t.compilationString += "#ifdef TANGENT\r\n",
                t.compilationString += "".concat(this._declareOutput(l, t), " = ").concat(r.associatedVariableName, ";\r\n"),
                t.compilationString += "#else\r\n",
                t.compilationString += "".concat(this._declareOutput(l, t), " = vec3(0., 0., 0.);\r\n"),
                t.compilationString += "#endif\r\n",
                t.compilationString += "#ifdef UV1\r\n",
                t.compilationString += "".concat(this._declareOutput(c, t), " = ").concat(o.associatedVariableName, ";\r\n"),
                t.compilationString += "#else\r\n",
                t.compilationString += "".concat(this._declareOutput(c, t), " = vec2(0., 0.);\r\n"),
                t.compilationString += "#endif\r\n",
                this._repeatableContentAnchor = t._repeatableContentAnchor,
                t.compilationString += this._repeatableContentAnchor,
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.MorphTargetsBlock", Am);
        var xm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Vertex) || this;
                return i.registerInput("worldPosition", Op.Vector4, !1, Dp.Vertex),
                i.registerOutput("direction", Op.Vector3),
                i.registerOutput("color", Op.Color3),
                i.registerOutput("intensity", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "LightInformationBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "direction", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.bind = function(e, t, i) {
                if (i) {
                    this.light && this.light.isDisposed && (this.light = null);
                    var n = this.light
                      , r = t.getScene();
                    if (!n && r.lights.length && (n = this.light = r.lights[0],
                    this._forcePrepareDefines = !0),
                    !n || !n.isEnabled)
                        return e.setFloat3(this._lightDataUniformName, 0, 0, 0),
                        void e.setFloat4(this._lightColorUniformName, 0, 0, 0, 0);
                    n.transferToNodeMaterialEffect(e, this._lightDataUniformName),
                    e.setColor4(this._lightColorUniformName, n.diffuse, n.intensity)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                if (i._areLightsDirty || this._forcePrepareDefines) {
                    this._forcePrepareDefines = !1;
                    var n = this.light;
                    i.setValue(this._lightTypeDefineName, !!(n && n instanceof __), !0)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t),
                t.sharedData.bindableBlocks.push(this),
                t.sharedData.blocksWithDefines.push(this);
                var i = this.direction
                  , n = this.color
                  , r = this.intensity;
                return this._lightDataUniformName = t._getFreeVariableName("lightData"),
                this._lightColorUniformName = t._getFreeVariableName("lightColor"),
                this._lightTypeDefineName = t._getFreeDefineName("LIGHTPOINTTYPE"),
                t._emitUniformFromString(this._lightDataUniformName, "vec3"),
                t._emitUniformFromString(this._lightColorUniformName, "vec4"),
                t.compilationString += "#ifdef ".concat(this._lightTypeDefineName, "\r\n"),
                t.compilationString += this._declareOutput(i, t) + " = normalize(".concat(this.worldPosition.associatedVariableName, ".xyz - ").concat(this._lightDataUniformName, ");\r\n"),
                t.compilationString += "#else\r\n",
                t.compilationString += this._declareOutput(i, t) + " = ".concat(this._lightDataUniformName, ";\r\n"),
                t.compilationString += "#endif\r\n",
                t.compilationString += this._declareOutput(n, t) + " = ".concat(this._lightColorUniformName, ".rgb;\r\n"),
                t.compilationString += this._declareOutput(r, t) + " = ".concat(this._lightColorUniformName, ".a;\r\n"),
                this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.light && (t.lightId = this.light.id),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                t.lightId && (this.light = i.getLightById(t.lightId))
            }
            ,
            t
        }(Wp);
        y("BABYLON.LightInformationBlock", xm);
        var Rm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.convertInputToLinearSpace = !0,
                i.registerInput("color", Op.Color4),
                i.registerOutput("output", Op.Color4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ImageProcessingBlock"
            }
            ,
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("exposureLinear"),
                e._excludeVariableName("contrast"),
                e._excludeVariableName("vInverseScreenSize"),
                e._excludeVariableName("vignetteSettings1"),
                e._excludeVariableName("vignetteSettings2"),
                e._excludeVariableName("vCameraColorCurveNegative"),
                e._excludeVariableName("vCameraColorCurveNeutral"),
                e._excludeVariableName("vCameraColorCurvePositive"),
                e._excludeVariableName("txColorTransform"),
                e._excludeVariableName("colorTransformSettings")
            }
            ,
            t.prototype.isReady = function(e, t, i) {
                return !(i._areImageProcessingDirty && t.imageProcessingConfiguration && !t.imageProcessingConfiguration.isReady())
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                i._areImageProcessingDirty && t.imageProcessingConfiguration && t.imageProcessingConfiguration.prepareDefines(i)
            }
            ,
            t.prototype.bind = function(e, t, i) {
                i && t.imageProcessingConfiguration && t.imageProcessingConfiguration.bind(e)
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t),
                t.sharedData.blocksWithDefines.push(this),
                t.sharedData.blockingBlocks.push(this),
                t.sharedData.bindableBlocks.push(this),
                t.uniforms.push("exposureLinear"),
                t.uniforms.push("contrast"),
                t.uniforms.push("vInverseScreenSize"),
                t.uniforms.push("vignetteSettings1"),
                t.uniforms.push("vignetteSettings2"),
                t.uniforms.push("vCameraColorCurveNegative"),
                t.uniforms.push("vCameraColorCurveNeutral"),
                t.uniforms.push("vCameraColorCurvePositive"),
                t.uniforms.push("txColorTransform"),
                t.uniforms.push("colorTransformSettings");
                var i = this.color
                  , n = this._outputs[0]
                  , r = "//".concat(this.name);
                return t._emitFunctionFromInclude("helperFunctions", r),
                t._emitFunctionFromInclude("imageProcessingDeclaration", r),
                t._emitFunctionFromInclude("imageProcessingFunctions", r),
                i.connectedPoint.type === Op.Color4 || i.connectedPoint.type === Op.Vector4 ? t.compilationString += "".concat(this._declareOutput(n, t), " = ").concat(i.associatedVariableName, ";\r\n") : t.compilationString += "".concat(this._declareOutput(n, t), " = vec4(").concat(i.associatedVariableName, ", 1.0);\r\n"),
                t.compilationString += "#ifdef IMAGEPROCESSINGPOSTPROCESS\r\n",
                this.convertInputToLinearSpace && (t.compilationString += "".concat(n.associatedVariableName, ".rgb = toLinearSpace(").concat(i.associatedVariableName, ".rgb);\r\n")),
                t.compilationString += "#else\r\n",
                t.compilationString += "#ifdef IMAGEPROCESSING\r\n",
                this.convertInputToLinearSpace && (t.compilationString += "".concat(n.associatedVariableName, ".rgb = toLinearSpace(").concat(i.associatedVariableName, ".rgb);\r\n")),
                t.compilationString += "".concat(n.associatedVariableName, " = applyImageProcessing(").concat(n.associatedVariableName, ");\r\n"),
                t.compilationString += "#endif\r\n",
                t.compilationString += "#endif\r\n",
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".convertInputToLinearSpace = ").concat(this.convertInputToLinearSpace, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.convertInputToLinearSpace = this.convertInputToLinearSpace,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r;
                e.prototype._deserialize.call(this, t, i, n),
                this.convertInputToLinearSpace = null === (r = t.convertInputToLinearSpace) || void 0 === r || r
            }
            ,
            k([Yp("Convert input to linear space", Xp.Boolean, "ADVANCED")], t.prototype, "convertInputToLinearSpace", void 0),
            t
        }(Wp);
        y("BABYLON.ImageProcessingBlock", Rm);
        var Cm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i._tangentSpaceParameterName = "",
                i.invertX = !1,
                i.invertY = !1,
                i.useParallaxOcclusion = !1,
                i._isUnique = !0,
                i.registerInput("worldPosition", Op.Vector4, !1),
                i.registerInput("worldNormal", Op.Vector4, !1),
                i.registerInput("worldTangent", Op.Vector4, !0),
                i.registerInput("uv", Op.Vector2, !1),
                i.registerInput("normalMapColor", Op.Color3, !1),
                i.registerInput("strength", Op.Float, !1),
                i.registerInput("viewDirection", Op.Vector3, !0),
                i.registerInput("parallaxScale", Op.Float, !0),
                i.registerInput("parallaxHeight", Op.Float, !0),
                i.registerOutput("output", Op.Vector4),
                i.registerOutput("uvOffset", Op.Vector2),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "PerturbNormalBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldTangent", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normalMapColor", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "strength", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "viewDirection", {
                get: function() {
                    return this._inputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "parallaxScale", {
                get: function() {
                    return this._inputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "parallaxHeight", {
                get: function() {
                    return this._inputs[8]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uvOffset", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.prepareDefines = function(e, t, i) {
                var n = this.normalMapColor.connectedPoint._ownerBlock.samplerName
                  , r = this.viewDirection.isConnected && (this.useParallaxOcclusion && n || !this.useParallaxOcclusion && this.parallaxHeight.isConnected);
                i.setValue("BUMP", !0),
                i.setValue("PARALLAX", r, !0),
                i.setValue("PARALLAXOCCLUSION", this.useParallaxOcclusion, !0)
            }
            ,
            t.prototype.bind = function(e, t) {
                t.getScene()._mirroredCameraPosition ? e.setFloat2(this._tangentSpaceParameterName, this.invertX ? 1 : -1, this.invertY ? 1 : -1) : e.setFloat2(this._tangentSpaceParameterName, this.invertX ? -1 : 1, this.invertY ? -1 : 1)
            }
            ,
            t.prototype.autoConfigure = function(e) {
                if (!this.uv.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "uv" === e.name
                    }
                    ));
                    t || (t = new tf("uv")).setAsAttribute(),
                    t.output.connectTo(this.uv)
                }
                if (!this.strength.isConnected) {
                    var i = new tf("strength");
                    i.value = 1,
                    i.output.connectTo(this.strength)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = "//".concat(this.name)
                  , n = this.uv
                  , r = this.worldPosition
                  , o = this.worldNormal
                  , a = this.worldTangent;
                t.sharedData.blocksWithDefines.push(this),
                t.sharedData.bindableBlocks.push(this),
                this._tangentSpaceParameterName = t._getFreeDefineName("tangentSpaceParameter"),
                t._emitUniformFromString(this._tangentSpaceParameterName, "vec2");
                var s = this.normalMapColor.connectedPoint._ownerBlock.samplerName
                  , l = this.viewDirection.isConnected && (this.useParallaxOcclusion && s || !this.useParallaxOcclusion && this.parallaxHeight.isConnected)
                  , c = this.parallaxScale.isConnectedToInputBlock ? this.parallaxScale.connectInputBlock.isConstant ? t._emitFloat(this.parallaxScale.connectInputBlock.value) : this.parallaxScale.associatedVariableName : "0.05"
                  , u = this.strength.isConnectedToInputBlock && this.strength.connectInputBlock.isConstant ? "\r\n#if !defined(NORMALXYSCALE)\r\n1.0/\r\n#endif\r\n".concat(t._emitFloat(this.strength.connectInputBlock.value)) : "\r\n#if !defined(NORMALXYSCALE)\r\n1.0/\r\n#endif\r\n".concat(this.strength.associatedVariableName);
                t._emitExtension("derivatives", "#extension GL_OES_standard_derivatives : enable");
                var h = {
                    search: /defined\(TANGENT\)/g,
                    replace: a.isConnected ? "defined(TANGENT)" : "defined(IGNORE)"
                };
                a.isConnected && (t.compilationString += "vec3 tbnNormal = normalize(".concat(o.associatedVariableName, ".xyz);\r\n"),
                t.compilationString += "vec3 tbnTangent = normalize(".concat(a.associatedVariableName, ".xyz);\r\n"),
                t.compilationString += "vec3 tbnBitangent = cross(tbnNormal, tbnTangent);\r\n",
                t.compilationString += "mat3 vTBN = mat3(tbnTangent, tbnBitangent, tbnNormal);\r\n"),
                t._emitFunctionFromInclude("bumpFragmentMainFunctions", i, {
                    replaceStrings: [h, {
                        search: /varying mat3 vTBN/g,
                        replace: ""
                    }]
                }),
                t._emitFunctionFromInclude("bumpFragmentFunctions", i, {
                    replaceStrings: [{
                        search: /#include<samplerFragmentDeclaration>\(_DEFINENAME_,BUMP,_VARYINGNAME_,Bump,_SAMPLERNAME_,bump\)/g,
                        replace: ""
                    }, {
                        search: /uniform sampler2D bumpSampler;/g,
                        replace: ""
                    }, {
                        search: /vec2 parallaxOcclusion\(vec3 vViewDirCoT,vec3 vNormalCoT,vec2 texCoord,float parallaxScale\)/g,
                        replace: "#define inline\r\nvec2 parallaxOcclusion(vec3 vViewDirCoT, vec3 vNormalCoT, vec2 texCoord, float parallaxScale, sampler2D bumpSampler)"
                    }, {
                        search: /vec2 parallaxOffset\(vec3 viewDir,float heightScale\)/g,
                        replace: "vec2 parallaxOffset(vec3 viewDir, float heightScale, float height_)"
                    }, {
                        search: /texture2D\(bumpSampler,vBumpUV\)\.w/g,
                        replace: "height_"
                    }]
                });
                var d = l && s ? "texture2D(".concat(s, ", ").concat(n.associatedVariableName, " + uvOffset).xyz") : this.normalMapColor.associatedVariableName;
                return t.compilationString += this._declareOutput(this.output, t) + " = vec4(0.);\r\n",
                t.compilationString += t._emitCodeFromInclude("bumpFragment", i, {
                    replaceStrings: [{
                        search: /perturbNormal\(TBN,texture2D\(bumpSampler,vBumpUV\+uvOffset\).xyz,vBumpInfos.y\)/g,
                        replace: "perturbNormal(TBN, ".concat(d, ", vBumpInfos.y)")
                    }, {
                        search: /parallaxOcclusion\(invTBN\*-viewDirectionW,invTBN\*normalW,vBumpUV,vBumpInfos.z\)/g,
                        replace: "parallaxOcclusion((invTBN * -viewDirectionW), (invTBN * normalW), vBumpUV, vBumpInfos.z, ".concat(l && this.useParallaxOcclusion ? s : "bumpSampler", ")")
                    }, {
                        search: /parallaxOffset\(invTBN\*viewDirectionW,vBumpInfos\.z\)/g,
                        replace: "parallaxOffset(invTBN * viewDirectionW, vBumpInfos.z, ".concat(l ? this.parallaxHeight.associatedVariableName : "0.", ")")
                    }, {
                        search: /vTangentSpaceParams/g,
                        replace: this._tangentSpaceParameterName
                    }, {
                        search: /vBumpInfos.y/g,
                        replace: u
                    }, {
                        search: /vBumpInfos.z/g,
                        replace: c
                    }, {
                        search: /vBumpUV/g,
                        replace: n.associatedVariableName
                    }, {
                        search: /vPositionW/g,
                        replace: r.associatedVariableName + ".xyz"
                    }, {
                        search: /normalW=/g,
                        replace: this.output.associatedVariableName + ".xyz = "
                    }, {
                        search: /mat3\(normalMatrix\)\*normalW/g,
                        replace: "mat3(normalMatrix) * " + this.output.associatedVariableName + ".xyz"
                    }, {
                        search: /normalW/g,
                        replace: o.associatedVariableName + ".xyz"
                    }, {
                        search: /viewDirectionW/g,
                        replace: l ? this.viewDirection.associatedVariableName : "vec3(0.)"
                    }, h]
                }),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".invertX = ").concat(this.invertX, ";\r\n");
                return (t += "".concat(this._codeVariableName, ".invertY = ").concat(this.invertY, ";\r\n")) + "".concat(this._codeVariableName, ".useParallaxOcclusion = ").concat(this.useParallaxOcclusion, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.invertX = this.invertX,
                t.invertY = this.invertY,
                t.useParallaxOcclusion = this.useParallaxOcclusion,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.invertX = t.invertX,
                this.invertY = t.invertY,
                this.useParallaxOcclusion = !!t.useParallaxOcclusion
            }
            ,
            k([Yp("Invert X axis", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !1
                }
            })], t.prototype, "invertX", void 0),
            k([Yp("Invert Y axis", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !1
                }
            })], t.prototype, "invertY", void 0),
            k([Yp("Use parallax occlusion", Xp.Boolean)], t.prototype, "useParallaxOcclusion", void 0),
            t
        }(Wp);
        y("BABYLON.PerturbNormalBlock", Cm);
        var Pm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment, !0) || this;
                return i.registerInput("value", Op.Float, !0),
                i.registerInput("cutoff", Op.Float, !0),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DiscardBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cutoff", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.sharedData.hints.needAlphaTesting = !0,
                this.cutoff.isConnected && this.value.isConnected)
                    return t.compilationString += "if (".concat(this.value.associatedVariableName, " < ").concat(this.cutoff.associatedVariableName, ") discard;\r\n"),
                    this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DiscardBlock", Pm);
        var Mm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerOutput("output", Op.Float, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FrontFacingBlock"
            }
            ,
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target === Dp.Vertex)
                    throw "FrontFacingBlock must only be used in a fragment shader";
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = gl_FrontFacing ? 1.0 : 0.0;\r\n",
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.FrontFacingBlock", Mm);
        var Im = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerInput("input", Op.AutoDetect, !1),
                i.registerOutput("dx", Op.BasedOnInput),
                i.registerOutput("dy", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._outputs[1]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DerivativeBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dx", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dy", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this._outputs[1];
                return t._emitExtension("derivatives", "#extension GL_OES_standard_derivatives : enable"),
                i.hasEndpoints && (t.compilationString += this._declareOutput(i, t) + " = dFdx(".concat(this.input.associatedVariableName, ");\r\n")),
                n.hasEndpoints && (t.compilationString += this._declareOutput(n, t) + " = dFdy(".concat(this.input.associatedVariableName, ");\r\n")),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DerivativeBlock", Im);
        var Om = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerOutput("xy", Op.Vector2, Dp.Fragment),
                i.registerOutput("xyz", Op.Vector3, Dp.Fragment),
                i.registerOutput("xyzw", Op.Vector4, Dp.Fragment),
                i.registerOutput("x", Op.Float, Dp.Fragment),
                i.registerOutput("y", Op.Float, Dp.Fragment),
                i.registerOutput("z", Op.Float, Dp.Fragment),
                i.registerOutput("w", Op.Float, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FragCoordBlock"
            }
            ,
            Object.defineProperty(t.prototype, "xy", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyz", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzw", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "z", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.writeOutputs = function(e) {
                for (var t = "", i = 0, n = this._outputs; i < n.length; i++) {
                    var r = n[i];
                    r.hasEndpoints && (t += "".concat(this._declareOutput(r, e), " = gl_FragCoord.").concat(r.name, ";\r\n"))
                }
                return t
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target === Dp.Vertex)
                    throw "FragCoordBlock must only be used in a fragment shader";
                return t.compilationString += this.writeOutputs(t),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.FragCoordBlock", Om);
        var Dm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerOutput("xy", Op.Vector2, Dp.Fragment),
                i.registerOutput("x", Op.Float, Dp.Fragment),
                i.registerOutput("y", Op.Float, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ScreenSizeBlock"
            }
            ,
            Object.defineProperty(t.prototype, "xy", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.bind = function(e) {
                var t = this._scene.getEngine();
                e.setFloat2(this._varName, t.getRenderWidth(), t.getRenderHeight())
            }
            ,
            t.prototype.writeOutputs = function(e, t) {
                for (var i = "", n = 0, r = this._outputs; n < r.length; n++) {
                    var o = r[n];
                    o.hasEndpoints && (i += "".concat(this._declareOutput(o, e), " = ").concat(t, ".").concat(o.name, ";\r\n"))
                }
                return i
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this._scene = t.sharedData.scene,
                t.target === Dp.Vertex)
                    throw "ScreenSizeBlock must only be used in a fragment shader";
                return t.sharedData.bindableBlocks.push(this),
                this._varName = t._getFreeVariableName("screenSize"),
                t._emitUniformFromString(this._varName, "vec2"),
                t.compilationString += this.writeOutputs(t, this._varName),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ScreenSizeBlock", Dm);
        var Nm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerInput("vector", Op.Vector3),
                i.registerInput("worldViewProjection", Op.Matrix),
                i.registerOutput("output", Op.Vector2),
                i.registerOutput("x", Op.Float),
                i.registerOutput("y", Op.Float),
                i.inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ScreenSpaceBlock"
            }
            ,
            Object.defineProperty(t.prototype, "vector", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldViewProjection", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.worldViewProjection.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.WorldViewProjection
                    }
                    ));
                    t || (t = new tf("worldViewProjection")).setAsSystemValue(Qp.WorldViewProjection),
                    t.output.connectTo(this.worldViewProjection)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.vector
                  , n = this.worldViewProjection;
                if (i.connectedPoint) {
                    var r = n.associatedVariableName
                      , o = t._getFreeVariableName("screenSpaceTemp");
                    switch (i.connectedPoint.type) {
                    case Op.Vector3:
                        t.compilationString += "vec4 ".concat(o, " = ").concat(r, " * vec4(").concat(i.associatedVariableName, ", 1.0);\r\n");
                        break;
                    case Op.Vector4:
                        t.compilationString += "vec4 ".concat(o, " = ").concat(r, " * ").concat(i.associatedVariableName, ";\r\n")
                    }
                    return t.compilationString += "".concat(o, ".xy /= ").concat(o, ".w;"),
                    t.compilationString += "".concat(o, ".xy = ").concat(o, ".xy * 0.5 + vec2(0.5, 0.5);"),
                    this.output.hasEndpoints && (t.compilationString += this._declareOutput(this.output, t) + " = ".concat(o, ".xy;\r\n")),
                    this.x.hasEndpoints && (t.compilationString += this._declareOutput(this.x, t) + " = ".concat(o, ".x;\r\n")),
                    this.y.hasEndpoints && (t.compilationString += this._declareOutput(this.y, t) + " = ".concat(o, ".y;\r\n")),
                    this
                }
            }
            ,
            t
        }(Wp);
        y("BABYLON.ScreenSpaceBlock", Nm);
        var Lm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Fragment) || this;
                return i.registerInput("input", Op.Vector2),
                i.registerInput("strength", Op.Float),
                i.registerInput("center", Op.Vector2),
                i.registerInput("offset", Op.Vector2),
                i.registerOutput("output", Op.Vector2),
                i.registerOutput("x", Op.Float),
                i.registerOutput("y", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "TwirlBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "strength", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "center", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "offset", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function() {
                if (!this.center.isConnected) {
                    var e = new tf("center");
                    e.value = new A(.5,.5),
                    e.output.connectTo(this.center)
                }
                if (!this.strength.isConnected) {
                    var t = new tf("strength");
                    t.value = 1,
                    t.output.connectTo(this.strength)
                }
                if (!this.offset.isConnected) {
                    var i = new tf("offset");
                    i.value = new A(0,0),
                    i.output.connectTo(this.offset)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = t._getFreeVariableName("delta")
                  , n = t._getFreeVariableName("angle")
                  , r = t._getFreeVariableName("x")
                  , o = t._getFreeVariableName("y")
                  , a = t._getFreeVariableName("result");
                return t.compilationString += "\n            vec2 ".concat(i, " = ").concat(this.input.associatedVariableName, " - ").concat(this.center.associatedVariableName, ";\n            float ").concat(n, " = ").concat(this.strength.associatedVariableName, " * length(").concat(i, ");\n            float ").concat(r, " = cos(").concat(n, ") * ").concat(i, ".x - sin(").concat(n, ") * ").concat(i, ".y;\n            float ").concat(o, " = sin(").concat(n, ") * ").concat(i, ".x + cos(").concat(n, ") * ").concat(i, ".y;\n            vec2 ").concat(a, " = vec2(").concat(r, " + ").concat(this.center.associatedVariableName, ".x + ").concat(this.offset.associatedVariableName, ".x, ").concat(o, " + ").concat(this.center.associatedVariableName, ".y + ").concat(this.offset.associatedVariableName, ".y);\n        "),
                this.output.hasEndpoints && (t.compilationString += this._declareOutput(this.output, t) + " = ".concat(a, ";\r\n")),
                this.x.hasEndpoints && (t.compilationString += this._declareOutput(this.x, t) + " = ".concat(a, ".x;\r\n")),
                this.y.hasEndpoints && (t.compilationString += this._declareOutput(this.y, t) + " = ".concat(a, ".y;\r\n")),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.TwirlBlock", Lm);
        var Fm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment, !1) || this;
                return i.registerInput("worldPosition", Op.Vector4, !1, Dp.Vertex),
                i.registerInput("view", Op.Matrix, !1, Dp.Vertex),
                i.registerInput("input", Op.Color3, !1, Dp.Fragment),
                i.registerInput("fogColor", Op.Color3, !1, Dp.Fragment),
                i.registerOutput("output", Op.Color3, Dp.Fragment),
                i.input.acceptedConnectionPointTypes.push(Op.Color4),
                i.fogColor.acceptedConnectionPointTypes.push(Op.Color4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FogBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fogColor", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.view.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.View
                    }
                    ));
                    t || (t = new tf("view")).setAsSystemValue(Qp.View),
                    t.output.connectTo(this.view)
                }
                if (!this.fogColor.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.FogColor
                    }
                    ));
                    i || (i = new tf("fogColor",void 0,Op.Color3)).setAsSystemValue(Qp.FogColor),
                    i.output.connectTo(this.fogColor)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                var n = e.getScene();
                i.setValue("FOG", t.fogEnabled && Mr.GetFogState(e, n))
            }
            ,
            t.prototype.bind = function(e, t, i) {
                if (i) {
                    var n = i.getScene();
                    e.setFloat4(this._fogParameters, n.fogMode, n.fogStart, n.fogEnd, n.fogDensity)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target === Dp.Fragment) {
                    t.sharedData.blocksWithDefines.push(this),
                    t.sharedData.bindableBlocks.push(this),
                    t._emitFunctionFromInclude("fogFragmentDeclaration", "//".concat(this.name), {
                        removeUniforms: !0,
                        removeVaryings: !0,
                        removeIfDef: !1,
                        replaceStrings: [{
                            search: /float CalcFogFactor\(\)/,
                            replace: "float CalcFogFactor(vec3 vFogDistance, vec4 vFogInfos)"
                        }]
                    });
                    var i = t._getFreeVariableName("fog")
                      , n = this.input
                      , r = this.fogColor;
                    this._fogParameters = t._getFreeVariableName("fogParameters");
                    var o = this._outputs[0];
                    t._emitUniformFromString(this._fogParameters, "vec4"),
                    t.compilationString += "#ifdef FOG\r\n",
                    t.compilationString += "float ".concat(i, " = CalcFogFactor(").concat(this._fogDistanceName, ", ").concat(this._fogParameters, ");\r\n"),
                    t.compilationString += this._declareOutput(o, t) + " = ".concat(i, " * ").concat(n.associatedVariableName, ".rgb + (1.0 - ").concat(i, ") * ").concat(r.associatedVariableName, ".rgb;\r\n"),
                    t.compilationString += "#else\r\n".concat(this._declareOutput(o, t), " =  ").concat(n.associatedVariableName, ".rgb;\r\n"),
                    t.compilationString += "#endif\r\n"
                } else {
                    var a = this.worldPosition
                      , s = this.view;
                    this._fogDistanceName = t._getFreeVariableName("vFogDistance"),
                    t._emitVaryingFromString(this._fogDistanceName, "vec3"),
                    t.compilationString += "".concat(this._fogDistanceName, " = (").concat(s.associatedVariableName, " * ").concat(a.associatedVariableName, ").xyz;\r\n")
                }
                return this
            }
            ,
            t
        }(Wp);
        y("BABYLON.FogBlock", Fm);
        var wm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment) || this;
                return i._isUnique = !0,
                i.registerInput("worldPosition", Op.Vector4, !1, Dp.Vertex),
                i.registerInput("worldNormal", Op.Vector4, !1, Dp.Fragment),
                i.registerInput("cameraPosition", Op.Vector3, !1, Dp.Fragment),
                i.registerInput("glossiness", Op.Float, !0, Dp.Fragment),
                i.registerInput("glossPower", Op.Float, !0, Dp.Fragment),
                i.registerInput("diffuseColor", Op.Color3, !0, Dp.Fragment),
                i.registerInput("specularColor", Op.Color3, !0, Dp.Fragment),
                i.registerInput("view", Op.Matrix, !0),
                i.registerOutput("diffuseOutput", Op.Color3, Dp.Fragment),
                i.registerOutput("specularOutput", Op.Color3, Dp.Fragment),
                i.registerOutput("shadow", Op.Float, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "LightBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraPosition", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "glossiness", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "glossPower", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "diffuseColor", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "specularColor", {
                get: function() {
                    return this._inputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this._inputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "diffuseOutput", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "specularOutput", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadow", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.cameraPosition.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.CameraPosition
                    }
                    ));
                    t || (t = new tf("cameraPosition")).setAsSystemValue(Qp.CameraPosition),
                    t.output.connectTo(this.cameraPosition)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                if (i._areLightsDirty) {
                    var n = e.getScene();
                    if (this.light) {
                        var r = {
                            needNormals: !1,
                            needRebuild: !1,
                            lightmapMode: !1,
                            shadowEnabled: !1,
                            specularEnabled: !1
                        };
                        Mr.PrepareDefinesForLight(n, e, this.light, this._lightId, i, !0, r),
                        r.needRebuild && i.rebuild()
                    } else
                        Mr.PrepareDefinesForLights(n, e, i, !0, t.maxSimultaneousLights)
                }
            }
            ,
            t.prototype.updateUniformsAndSamples = function(e, t, i, n) {
                for (var r = 0; r < t.maxSimultaneousLights && i["LIGHT" + r]; r++) {
                    var o = e.uniforms.indexOf("vLightData" + r) >= 0;
                    Mr.PrepareUniformsAndSamplersForLight(r, e.uniforms, e.samplers, i["PROJECTEDLIGHTTEXTURE" + r], n, o)
                }
            }
            ,
            t.prototype.bind = function(e, t, i) {
                if (i) {
                    var n = i.getScene();
                    this.light ? Mr.BindLight(this.light, this._lightId, n, e, !0) : Mr.BindLights(n, i, e, !0, t.maxSimultaneousLights)
                }
            }
            ,
            t.prototype._injectVertexCode = function(e) {
                var t = this.worldPosition
                  , i = "//".concat(this.name);
                this.light ? (this._lightId = (void 0 !== e.counters.lightCounter ? e.counters.lightCounter : -1) + 1,
                e.counters.lightCounter = this._lightId,
                e._emitFunctionFromInclude(e.supportUniformBuffers ? "lightVxUboDeclaration" : "lightVxFragmentDeclaration", i, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }]
                }, this._lightId.toString())) : (e._emitFunctionFromInclude(e.supportUniformBuffers ? "lightVxUboDeclaration" : "lightVxFragmentDeclaration", i, {
                    repeatKey: "maxSimultaneousLights"
                }),
                this._lightId = 0,
                e.sharedData.dynamicUniformBlocks.push(this));
                var n = "v_" + t.associatedVariableName;
                e._emitVaryingFromString(n, "vec4") && (e.compilationString += "".concat(n, " = ").concat(t.associatedVariableName, ";\r\n")),
                this.light ? e.compilationString += e._emitCodeFromInclude("shadowsVertex", i, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }, {
                        search: /worldPos/g,
                        replace: t.associatedVariableName
                    }]
                }) : (e.compilationString += "vec4 worldPos = ".concat(t.associatedVariableName, ";\r\n"),
                this.view.isConnected && (e.compilationString += "mat4 view = ".concat(this.view.associatedVariableName, ";\r\n")),
                e.compilationString += e._emitCodeFromInclude("shadowsVertex", i, {
                    repeatKey: "maxSimultaneousLights"
                }))
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                t.target === Dp.Fragment) {
                    t.sharedData.forcedBindableBlocks.push(this),
                    t.sharedData.blocksWithDefines.push(this);
                    var i = "//".concat(this.name)
                      , n = this.worldPosition;
                    t._emitFunctionFromInclude("helperFunctions", i),
                    t._emitFunctionFromInclude("lightsFragmentFunctions", i, {
                        replaceStrings: [{
                            search: /vPositionW/g,
                            replace: "v_" + n.associatedVariableName + ".xyz"
                        }]
                    }),
                    t._emitFunctionFromInclude("shadowsFragmentFunctions", i, {
                        replaceStrings: [{
                            search: /vPositionW/g,
                            replace: "v_" + n.associatedVariableName + ".xyz"
                        }]
                    }),
                    this.light ? t._emitFunctionFromInclude(t.supportUniformBuffers ? "lightUboDeclaration" : "lightFragmentDeclaration", i, {
                        replaceStrings: [{
                            search: /{X}/g,
                            replace: this._lightId.toString()
                        }]
                    }, this._lightId.toString()) : t._emitFunctionFromInclude(t.supportUniformBuffers ? "lightUboDeclaration" : "lightFragmentDeclaration", i, {
                        repeatKey: "maxSimultaneousLights"
                    }),
                    0 === this._lightId && (t._registerTempVariable("viewDirectionW") && (t.compilationString += "vec3 viewDirectionW = normalize(".concat(this.cameraPosition.associatedVariableName, " - ").concat("v_" + n.associatedVariableName, ".xyz);\r\n")),
                    t.compilationString += "lightingInfo info;\r\n",
                    t.compilationString += "float shadow = 1.;\r\n",
                    t.compilationString += "float glossiness = ".concat(this.glossiness.isConnected ? this.glossiness.associatedVariableName : "1.0", " * ").concat(this.glossPower.isConnected ? this.glossPower.associatedVariableName : "1024.0", ";\r\n"),
                    t.compilationString += "vec3 diffuseBase = vec3(0., 0., 0.);\r\n",
                    t.compilationString += "vec3 specularBase = vec3(0., 0., 0.);\r\n",
                    t.compilationString += "vec3 normalW = ".concat(this.worldNormal.associatedVariableName, ".xyz;\r\n")),
                    this.light ? t.compilationString += t._emitCodeFromInclude("lightFragment", i, {
                        replaceStrings: [{
                            search: /{X}/g,
                            replace: this._lightId.toString()
                        }]
                    }) : t.compilationString += t._emitCodeFromInclude("lightFragment", i, {
                        repeatKey: "maxSimultaneousLights"
                    });
                    var r = this.diffuseOutput
                      , o = this.specularOutput;
                    return t.compilationString += this._declareOutput(r, t) + " = diffuseBase".concat(this.diffuseColor.isConnected ? " * " + this.diffuseColor.associatedVariableName : "", ";\r\n"),
                    o.hasEndpoints && (t.compilationString += this._declareOutput(o, t) + " = specularBase".concat(this.specularColor.isConnected ? " * " + this.specularColor.associatedVariableName : "", ";\r\n")),
                    this.shadow.hasEndpoints && (t.compilationString += this._declareOutput(this.shadow, t) + " = shadow;\r\n"),
                    this
                }
                this._injectVertexCode(t)
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.light && (t.lightId = this.light.id),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                t.lightId && (this.light = i.getLightById(t.lightId))
            }
            ,
            t
        }(Wp);
        y("BABYLON.LightBlock", wm);
        var Bm = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, i, n) || this;
                return s._blockType = r,
                s._blockName = o,
                s._nameForCheking = a,
                s._nameForCheking || (s._nameForCheking = t),
                s.needDualDirectionValidation = !0,
                s
            }
            return U(t, e),
            t.prototype.checkCompatibilityState = function(e) {
                return e instanceof t && e.name === this._nameForCheking ? Up.Compatible : Up.TypeIncompatible
            }
            ,
            t.prototype.createCustomInputBlock = function() {
                return [new this._blockType(this._blockName), this.name]
            }
            ,
            t
        }(zp)
          , Um = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.VertexAndFragment) || this;
                return n.registerOutput("source", Op.Object, Dp.VertexAndFragment, new Bm("source",n,Vp.Output,t,"ImageSourceBlock")),
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "texture", {
                get: function() {
                    return this._texture
                },
                set: function(e) {
                    var t, i = this;
                    if (this._texture !== e) {
                        var n = null !== (t = null == e ? void 0 : e.getScene()) && void 0 !== t ? t : E.LastCreatedScene;
                        !e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                            return e.hasTexture(i._texture)
                        }
                        )),
                        this._texture = e,
                        e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(t) {
                            return t.hasTexture(e)
                        }
                        ))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "samplerName", {
                get: function() {
                    return this._samplerName
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.bind = function(e) {
                this.texture && e.setTexture(this._samplerName, this.texture)
            }
            ,
            t.prototype.isReady = function() {
                return !(this.texture && !this.texture.isReadyOrNotBlocking())
            }
            ,
            t.prototype.getClassName = function() {
                return "ImageSourceBlock"
            }
            ,
            Object.defineProperty(t.prototype, "source", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                return e.prototype._buildBlock.call(this, t),
                t.target === Dp.Vertex && (this._samplerName = t._getFreeVariableName(this.name + "Sampler"),
                t.sharedData.blockingBlocks.push(this),
                t.sharedData.textureBlocks.push(this),
                t.sharedData.bindableBlocks.push(this)),
                t._emit2DSampler(this._samplerName),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return this.texture ? (t += "".concat(this._codeVariableName, '.texture = new BABYLON.Texture("').concat(this.texture.name, '", null, ').concat(this.texture.noMipmap, ", ").concat(this.texture.invertY, ", ").concat(this.texture.samplingMode, ");\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wrapU = ").concat(this.texture.wrapU, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wrapV = ").concat(this.texture.wrapV, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uAng = ").concat(this.texture.uAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vAng = ").concat(this.texture.vAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wAng = ").concat(this.texture.wAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uOffset = ").concat(this.texture.uOffset, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vOffset = ").concat(this.texture.vOffset, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uScale = ").concat(this.texture.uScale, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vScale = ").concat(this.texture.vScale, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.coordinatesMode = ").concat(this.texture.coordinatesMode, ";\r\n")) : t
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.texture && !this.texture.isRenderTarget && "VideoTexture" !== this.texture.getClassName() && (t.texture = this.texture.serialize()),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                t.texture && !Of.IgnoreTexturesAtLoadTime && void 0 !== t.texture.url && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                this.texture = io.Parse(t.texture, i, n))
            }
            ,
            t
        }(Wp);
        y("BABYLON.ImageSourceBlock", Um);
        var Vm = function(e) {
            function t(t, i) {
                void 0 === i && (i = !1);
                var n = e.call(this, t, i ? Dp.Fragment : Dp.VertexAndFragment) || this;
                return n._convertToGammaSpace = !1,
                n._convertToLinearSpace = !1,
                n.disableLevelMultiplication = !1,
                n._fragmentOnly = i,
                n.registerInput("uv", Op.Vector2, !1, Dp.VertexAndFragment),
                n.registerInput("source", Op.Object, !0, Dp.VertexAndFragment, new Bm("source",n,Vp.Input,Um,"ImageSourceBlock")),
                n.registerOutput("rgba", Op.Color4, Dp.Neutral),
                n.registerOutput("rgb", Op.Color3, Dp.Neutral),
                n.registerOutput("r", Op.Float, Dp.Neutral),
                n.registerOutput("g", Op.Float, Dp.Neutral),
                n.registerOutput("b", Op.Float, Dp.Neutral),
                n.registerOutput("a", Op.Float, Dp.Neutral),
                n.registerOutput("level", Op.Float, Dp.Neutral),
                n._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                n._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                n._inputs[0]._prioritizeVertex = !i,
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "texture", {
                get: function() {
                    var e;
                    return this.source.isConnected ? (null === (e = this.source.connectedPoint) || void 0 === e ? void 0 : e.ownerBlock).texture : this._texture
                },
                set: function(e) {
                    var t, i = this;
                    if (this._texture !== e) {
                        var n = null !== (t = null == e ? void 0 : e.getScene()) && void 0 !== t ? t : E.LastCreatedScene;
                        !e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                            return e.hasTexture(i._texture)
                        }
                        )),
                        this._texture = e,
                        e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(t) {
                            return t.hasTexture(e)
                        }
                        ))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "samplerName", {
                get: function() {
                    return this._imageSource ? this._imageSource.samplerName : this._samplerName
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasImageSource", {
                get: function() {
                    return !!this._imageSource
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "convertToGammaSpace", {
                get: function() {
                    return this._convertToGammaSpace
                },
                set: function(e) {
                    var t, i = this;
                    if (e !== this._convertToGammaSpace && (this._convertToGammaSpace = e,
                    this.texture)) {
                        var n = null !== (t = this.texture.getScene()) && void 0 !== t ? t : E.LastCreatedScene;
                        null == n || n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                            return e.hasTexture(i.texture)
                        }
                        ))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "convertToLinearSpace", {
                get: function() {
                    return this._convertToLinearSpace
                },
                set: function(e) {
                    var t, i = this;
                    if (e !== this._convertToLinearSpace && (this._convertToLinearSpace = e,
                    this.texture)) {
                        var n = null !== (t = this.texture.getScene()) && void 0 !== t ? t : E.LastCreatedScene;
                        null == n || n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                            return e.hasTexture(i.texture)
                        }
                        ))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "TextureBlock"
            }
            ,
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "source", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "level", {
                get: function() {
                    return this._outputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    if (this._fragmentOnly)
                        return Dp.Fragment;
                    if (!this.uv.isConnected)
                        return Dp.VertexAndFragment;
                    if (this.uv.sourceBlock.isInput)
                        return Dp.VertexAndFragment;
                    for (var e = this.uv.connectedPoint; e; ) {
                        if (e.target === Dp.Fragment)
                            return Dp.Fragment;
                        if (e.target === Dp.Vertex)
                            return Dp.VertexAndFragment;
                        if (e.target === Dp.Neutral || e.target === Dp.VertexAndFragment) {
                            var t = e.ownerBlock;
                            if (t.target === Dp.Fragment)
                                return Dp.Fragment;
                            e = null;
                            for (var i = 0, n = t.inputs; i < n.length; i++) {
                                var r = n[i];
                                if (r.connectedPoint) {
                                    e = r.connectedPoint;
                                    break
                                }
                            }
                        }
                    }
                    return Dp.VertexAndFragment
                },
                set: function(e) {},
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.uv.isConnected)
                    if (e.mode === cf.PostProcess)
                        (t = e.getBlockByPredicate((function(e) {
                            return "uv" === e.name
                        }
                        ))) && t.connectTo(this);
                    else {
                        var t, i = e.mode === cf.Particle ? "particle_uv" : "uv";
                        (t = e.getInputBlockByPredicate((function(e) {
                            return e.isAttribute && e.name === i
                        }
                        ))) || (t = new tf("uv")).setAsAttribute(i),
                        t.output.connectTo(this.uv)
                    }
            }
            ,
            t.prototype.initializeDefines = function(e, t, i) {
                i._areTexturesDirty && void 0 !== this._mainUVDefineName && i.setValue(this._mainUVDefineName, !1, !0)
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                if (i._areTexturesDirty)
                    if (this.texture && this.texture.getTextureMatrix) {
                        var n = this.convertToGammaSpace && this.texture && !this.texture.gammaSpace
                          , r = this.convertToLinearSpace && this.texture && this.texture.gammaSpace;
                        i.setValue(this._linearDefineName, n, !0),
                        i.setValue(this._gammaDefineName, r, !0),
                        this._isMixed && (this.texture.getTextureMatrix().isIdentityAs3x2() ? (i.setValue(this._defineName, !1, !0),
                        i.setValue(this._mainUVDefineName, !0, !0)) : (i.setValue(this._defineName, !0),
                        null == i[this._mainUVDefineName] && i.setValue(this._mainUVDefineName, !1, !0)))
                    } else
                        this._isMixed && (i.setValue(this._defineName, !1, !0),
                        i.setValue(this._mainUVDefineName, !0, !0))
            }
            ,
            t.prototype.isReady = function() {
                return !(this.texture && !this.texture.isReadyOrNotBlocking())
            }
            ,
            t.prototype.bind = function(e) {
                this.texture && (this._isMixed && (e.setFloat(this._textureInfoName, this.texture.level),
                e.setMatrix(this._textureTransformName, this.texture.getTextureMatrix())),
                this._imageSource || e.setTexture(this._samplerName, this.texture))
            }
            ,
            Object.defineProperty(t.prototype, "_isMixed", {
                get: function() {
                    return this.target !== Dp.Fragment
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._injectVertexCode = function(e) {
                var t = this.uv;
                if (this._defineName = e._getFreeDefineName("UVTRANSFORM"),
                this._mainUVDefineName = "VMAIN" + t.associatedVariableName.toUpperCase(),
                this._mainUVName = "vMain" + t.associatedVariableName,
                this._transformedUVName = e._getFreeVariableName("transformedUV"),
                this._textureTransformName = e._getFreeVariableName("textureTransform"),
                this._textureInfoName = e._getFreeVariableName("textureInfoName"),
                this.level.associatedVariableName = this._textureInfoName,
                e._emitVaryingFromString(this._transformedUVName, "vec2", this._defineName),
                e._emitVaryingFromString(this._mainUVName, "vec2", this._mainUVDefineName),
                e._emitUniformFromString(this._textureTransformName, "mat4", this._defineName),
                e.compilationString += "#ifdef ".concat(this._defineName, "\r\n"),
                e.compilationString += "".concat(this._transformedUVName, " = vec2(").concat(this._textureTransformName, " * vec4(").concat(t.associatedVariableName, ".xy, 1.0, 0.0));\r\n"),
                e.compilationString += "#elif defined(".concat(this._mainUVDefineName, ")\r\n"),
                e.compilationString += "".concat(this._mainUVName, " = ").concat(t.associatedVariableName, ".xy;\r\n"),
                e.compilationString += "#endif\r\n",
                this._outputs.some((function(e) {
                    return e.isConnectedInVertexShader
                }
                ))) {
                    this._writeTextureRead(e, !0);
                    for (var i = 0, n = this._outputs; i < n.length; i++) {
                        var r = n[i];
                        r.hasEndpoints && "level" !== r.name && this._writeOutput(e, r, r.name, !0)
                    }
                }
            }
            ,
            t.prototype._generateTextureLookup = function(e) {
                var t = this.samplerName;
                e.compilationString += "#ifdef ".concat(this._defineName, "\r\n"),
                e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(t, ", ").concat(this._transformedUVName, ");\r\n"),
                e.compilationString += "#elif defined(".concat(this._mainUVDefineName, ")\r\n"),
                e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(t, ", ").concat(this._mainUVName ? this._mainUVName : this.uv.associatedVariableName, ");\r\n"),
                e.compilationString += "#endif\r\n"
            }
            ,
            t.prototype._writeTextureRead = function(e, t) {
                void 0 === t && (t = !1);
                var i = this.uv;
                if (t) {
                    if (e.target === Dp.Fragment)
                        return;
                    this._generateTextureLookup(e)
                } else
                    this.uv.ownerBlock.target !== Dp.Fragment ? this._generateTextureLookup(e) : e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this.samplerName, ", ").concat(i.associatedVariableName, ");\r\n")
            }
            ,
            t.prototype._generateConversionCode = function(e, t, i) {
                "a" !== i && (this.texture && this.texture.gammaSpace || (e.compilationString += "#ifdef ".concat(this._linearDefineName, "\n                    ").concat(t.associatedVariableName, " = toGammaSpace(").concat(t.associatedVariableName, ");\n                    #endif\n                ")),
                e.compilationString += "#ifdef ".concat(this._gammaDefineName, "\n                ").concat(t.associatedVariableName, " = toLinearSpace(").concat(t.associatedVariableName, ");\n                #endif\n            "))
            }
            ,
            t.prototype._writeOutput = function(e, t, i, n) {
                if (void 0 === n && (n = !1),
                n) {
                    if (e.target === Dp.Fragment)
                        return;
                    return e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n"),
                    void this._generateConversionCode(e, t, i)
                }
                if (this.uv.ownerBlock.target === Dp.Fragment)
                    return e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n"),
                    void this._generateConversionCode(e, t, i);
                var r = "";
                this.disableLevelMultiplication || (r = " * ".concat(this._textureInfoName)),
                e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i).concat(r, ";\r\n"),
                this._generateConversionCode(e, t, i)
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this.source.isConnected ? this._imageSource = this.source.connectedPoint.ownerBlock : this._imageSource = null,
                (t.target === Dp.Vertex || this._fragmentOnly || t.target === Dp.Fragment && void 0 === this._tempTextureRead) && (this._tempTextureRead = t._getFreeVariableName("tempTextureRead"),
                this._linearDefineName = t._getFreeDefineName("ISLINEAR"),
                this._gammaDefineName = t._getFreeDefineName("ISGAMMA")),
                (!this._isMixed && t.target === Dp.Fragment || this._isMixed && t.target === Dp.Vertex) && (this._imageSource || (this._samplerName = t._getFreeVariableName(this.name + "Sampler"),
                t._emit2DSampler(this._samplerName)),
                t.sharedData.blockingBlocks.push(this),
                t.sharedData.textureBlocks.push(this),
                t.sharedData.blocksWithDefines.push(this),
                t.sharedData.bindableBlocks.push(this)),
                t.target === Dp.Fragment) {
                    if (this._outputs.some((function(e) {
                        return e.isConnectedInFragmentShader
                    }
                    ))) {
                        this._isMixed && !this._imageSource && t._emit2DSampler(this._samplerName);
                        var i = "//".concat(this.name);
                        t._emitFunctionFromInclude("helperFunctions", i),
                        this._isMixed && t._emitUniformFromString(this._textureInfoName, "float"),
                        this._writeTextureRead(t);
                        for (var n = 0, r = this._outputs; n < r.length; n++) {
                            var o = r[n];
                            o.hasEndpoints && "level" !== o.name && this._writeOutput(t, o, o.name)
                        }
                        return this
                    }
                } else
                    this._injectVertexCode(t)
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return t += "".concat(this._codeVariableName, ".convertToGammaSpace = ").concat(this.convertToGammaSpace, ";\r\n"),
                t += "".concat(this._codeVariableName, ".convertToLinearSpace = ").concat(this.convertToLinearSpace, ";\r\n"),
                t += "".concat(this._codeVariableName, ".disableLevelMultiplication = ").concat(this.disableLevelMultiplication, ";\r\n"),
                this.texture ? (t += "".concat(this._codeVariableName, '.texture = new BABYLON.Texture("').concat(this.texture.name, '", null, ').concat(this.texture.noMipmap, ", ").concat(this.texture.invertY, ", ").concat(this.texture.samplingMode, ");\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wrapU = ").concat(this.texture.wrapU, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wrapV = ").concat(this.texture.wrapV, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uAng = ").concat(this.texture.uAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vAng = ").concat(this.texture.vAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.wAng = ").concat(this.texture.wAng, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uOffset = ").concat(this.texture.uOffset, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vOffset = ").concat(this.texture.vOffset, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.uScale = ").concat(this.texture.uScale, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.vScale = ").concat(this.texture.vScale, ";\r\n"),
                t += "".concat(this._codeVariableName, ".texture.coordinatesMode = ").concat(this.texture.coordinatesMode, ";\r\n")) : t
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.convertToGammaSpace = this.convertToGammaSpace,
                t.convertToLinearSpace = this.convertToLinearSpace,
                t.fragmentOnly = this._fragmentOnly,
                t.disableLevelMultiplication = this.disableLevelMultiplication,
                this.hasImageSource || !this.texture || this.texture.isRenderTarget || "VideoTexture" === this.texture.getClassName() || (t.texture = this.texture.serialize()),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.convertToGammaSpace = t.convertToGammaSpace,
                this.convertToLinearSpace = !!t.convertToLinearSpace,
                this._fragmentOnly = !!t.fragmentOnly,
                this.disableLevelMultiplication = !!t.disableLevelMultiplication,
                t.texture && !Of.IgnoreTexturesAtLoadTime && void 0 !== t.texture.url && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                this.texture = io.Parse(t.texture, i, n))
            }
            ,
            t
        }(Wp);
        y("BABYLON.TextureBlock", Vm);
        var km = function(e) {
            function t(t) {
                return e.call(this, t, Dp.VertexAndFragment) || this
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "texture", {
                get: function() {
                    return this._texture
                },
                set: function(e) {
                    var t, i = this;
                    if (this._texture !== e) {
                        var n = null !== (t = null == e ? void 0 : e.getScene()) && void 0 !== t ? t : E.LastCreatedScene;
                        !e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(e) {
                            return e.hasTexture(i._texture)
                        }
                        )),
                        this._texture = e,
                        e && n && n.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag, (function(t) {
                            return t.hasTexture(e)
                        }
                        ))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "ReflectionTextureBaseBlock"
            }
            ,
            t.prototype._getTexture = function() {
                return this.texture
            }
            ,
            t.prototype.autoConfigure = function(e) {
                if (!this.position.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.isAttribute && "position" === e.name
                    }
                    ));
                    t || (t = new tf("position")).setAsAttribute(),
                    t.output.connectTo(this.position)
                }
                if (!this.world.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.World
                    }
                    ));
                    i || (i = new tf("world")).setAsSystemValue(Qp.World),
                    i.output.connectTo(this.world)
                }
                if (this.view && !this.view.isConnected) {
                    var n = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.View
                    }
                    ));
                    n || (n = new tf("view")).setAsSystemValue(Qp.View),
                    n.output.connectTo(this.view)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                if (i._areTexturesDirty) {
                    var n = this._getTexture();
                    n && n.getTextureMatrix && (i.setValue(this._define3DName, n.isCube, !0),
                    i.setValue(this._defineLocalCubicName, !!n.boundingBoxSize, !0),
                    i.setValue(this._defineExplicitName, n.coordinatesMode === a.TEXTURE_EXPLICIT_MODE, !0),
                    i.setValue(this._defineSkyboxName, n.coordinatesMode === a.TEXTURE_SKYBOX_MODE, !0),
                    i.setValue(this._defineCubicName, n.coordinatesMode === a.TEXTURE_CUBIC_MODE || n.coordinatesMode === a.TEXTURE_INVCUBIC_MODE, !0),
                    i.setValue("INVERTCUBICMAP", n.coordinatesMode === a.TEXTURE_INVCUBIC_MODE, !0),
                    i.setValue(this._defineSphericalName, n.coordinatesMode === a.TEXTURE_SPHERICAL_MODE, !0),
                    i.setValue(this._definePlanarName, n.coordinatesMode === a.TEXTURE_PLANAR_MODE, !0),
                    i.setValue(this._defineProjectionName, n.coordinatesMode === a.TEXTURE_PROJECTION_MODE, !0),
                    i.setValue(this._defineEquirectangularName, n.coordinatesMode === a.TEXTURE_EQUIRECTANGULAR_MODE, !0),
                    i.setValue(this._defineEquirectangularFixedName, n.coordinatesMode === a.TEXTURE_FIXED_EQUIRECTANGULAR_MODE, !0),
                    i.setValue(this._defineMirroredEquirectangularFixedName, n.coordinatesMode === a.TEXTURE_FIXED_EQUIRECTANGULAR_MIRRORED_MODE, !0))
                }
            }
            ,
            t.prototype.isReady = function() {
                var e = this._getTexture();
                return !(e && !e.isReadyOrNotBlocking())
            }
            ,
            t.prototype.bind = function(e, t, i) {
                var n = this._getTexture();
                if (i && n && (e.setMatrix(this._reflectionMatrixName, n.getReflectionTextureMatrix()),
                n.isCube ? e.setTexture(this._cubeSamplerName, n) : e.setTexture(this._2DSamplerName, n),
                n.boundingBoxSize)) {
                    var r = n;
                    e.setVector3(this._reflectionPositionName, r.boundingBoxPosition),
                    e.setVector3(this._reflectionSizeName, r.boundingBoxSize)
                }
            }
            ,
            t.prototype.handleVertexSide = function(e) {
                this._define3DName = e._getFreeDefineName("REFLECTIONMAP_3D"),
                this._defineCubicName = e._getFreeDefineName("REFLECTIONMAP_CUBIC"),
                this._defineSphericalName = e._getFreeDefineName("REFLECTIONMAP_SPHERICAL"),
                this._definePlanarName = e._getFreeDefineName("REFLECTIONMAP_PLANAR"),
                this._defineProjectionName = e._getFreeDefineName("REFLECTIONMAP_PROJECTION"),
                this._defineExplicitName = e._getFreeDefineName("REFLECTIONMAP_EXPLICIT"),
                this._defineEquirectangularName = e._getFreeDefineName("REFLECTIONMAP_EQUIRECTANGULAR"),
                this._defineLocalCubicName = e._getFreeDefineName("USE_LOCAL_REFLECTIONMAP_CUBIC"),
                this._defineMirroredEquirectangularFixedName = e._getFreeDefineName("REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED"),
                this._defineEquirectangularFixedName = e._getFreeDefineName("REFLECTIONMAP_EQUIRECTANGULAR_FIXED"),
                this._defineSkyboxName = e._getFreeDefineName("REFLECTIONMAP_SKYBOX"),
                this._defineOppositeZ = e._getFreeDefineName("REFLECTIONMAP_OPPOSITEZ"),
                this._reflectionMatrixName = e._getFreeVariableName("reflectionMatrix"),
                e._emitUniformFromString(this._reflectionMatrixName, "mat4");
                var t = ""
                  , i = "v_" + this.worldPosition.associatedVariableName;
                return e._emitVaryingFromString(i, "vec4") && (t += "".concat(i, " = ").concat(this.worldPosition.associatedVariableName, ";\r\n")),
                this._positionUVWName = e._getFreeVariableName("positionUVW"),
                this._directionWName = e._getFreeVariableName("directionW"),
                e._emitVaryingFromString(this._positionUVWName, "vec3", this._defineSkyboxName) && (t += "#ifdef ".concat(this._defineSkyboxName, "\r\n"),
                t += "".concat(this._positionUVWName, " = ").concat(this.position.associatedVariableName, ".xyz;\r\n"),
                t += "#endif\r\n"),
                e._emitVaryingFromString(this._directionWName, "vec3", "defined(".concat(this._defineEquirectangularFixedName, ") || defined(").concat(this._defineMirroredEquirectangularFixedName, ")")) && (t += "#if defined(".concat(this._defineEquirectangularFixedName, ") || defined(").concat(this._defineMirroredEquirectangularFixedName, ")\r\n"),
                t += "".concat(this._directionWName, " = normalize(vec3(").concat(this.world.associatedVariableName, " * vec4(").concat(this.position.associatedVariableName, ".xyz, 0.0)));\r\n"),
                t += "#endif\r\n"),
                t
            }
            ,
            t.prototype.handleFragmentSideInits = function(e) {
                e.sharedData.blockingBlocks.push(this),
                e.sharedData.textureBlocks.push(this),
                this._cubeSamplerName = e._getFreeVariableName(this.name + "CubeSampler"),
                e.samplers.push(this._cubeSamplerName),
                this._2DSamplerName = e._getFreeVariableName(this.name + "2DSampler"),
                e.samplers.push(this._2DSamplerName),
                e._samplerDeclaration += "#ifdef ".concat(this._define3DName, "\r\n"),
                e._samplerDeclaration += "uniform samplerCube ".concat(this._cubeSamplerName, ";\r\n"),
                e._samplerDeclaration += "#else\r\n",
                e._samplerDeclaration += "uniform sampler2D ".concat(this._2DSamplerName, ";\r\n"),
                e._samplerDeclaration += "#endif\r\n",
                e.sharedData.blocksWithDefines.push(this),
                e.sharedData.bindableBlocks.push(this);
                var t = "//".concat(this.name);
                e._emitFunction("ReciprocalPI", "#define RECIPROCAL_PI2 0.15915494", ""),
                e._emitFunctionFromInclude("helperFunctions", t),
                e._emitFunctionFromInclude("reflectionFunction", t, {
                    replaceStrings: [{
                        search: /vec3 computeReflectionCoords/g,
                        replace: "void DUMMYFUNC"
                    }]
                }),
                this._reflectionColorName = e._getFreeVariableName("reflectionColor"),
                this._reflectionVectorName = e._getFreeVariableName("reflectionUVW"),
                this._reflectionCoordsName = e._getFreeVariableName("reflectionCoords"),
                this._reflectionPositionName = e._getFreeVariableName("vReflectionPosition"),
                e._emitUniformFromString(this._reflectionPositionName, "vec3"),
                this._reflectionSizeName = e._getFreeVariableName("vReflectionPosition"),
                e._emitUniformFromString(this._reflectionSizeName, "vec3")
            }
            ,
            t.prototype.handleFragmentSideCodeReflectionCoords = function(e, t, i) {
                void 0 === i && (i = !1),
                t || (t = "v_".concat(this.worldPosition.associatedVariableName));
                var n = this._reflectionMatrixName
                  , r = "normalize(".concat(this._directionWName, ")")
                  , o = "".concat(this._positionUVWName)
                  , a = "".concat(this.cameraPosition.associatedVariableName)
                  , s = "".concat(this.view.associatedVariableName);
                e += ".xyz";
                var l = "\n            #ifdef ".concat(this._defineMirroredEquirectangularFixedName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeMirroredFixedEquirectangularCoords(").concat(t, ", ").concat(e, ", ").concat(r, ");\n            #endif\n\n            #ifdef ").concat(this._defineEquirectangularFixedName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeFixedEquirectangularCoords(").concat(t, ", ").concat(e, ", ").concat(r, ");\n            #endif\n\n            #ifdef ").concat(this._defineEquirectangularName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeEquirectangularCoords(").concat(t, ", ").concat(e, ", ").concat(a, ".xyz, ").concat(n, ");\n            #endif\n\n            #ifdef ").concat(this._defineSphericalName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeSphericalCoords(").concat(t, ", ").concat(e, ", ").concat(s, ", ").concat(n, ");\n            #endif\n\n            #ifdef ").concat(this._definePlanarName, "\n                vec3 ").concat(this._reflectionVectorName, " = computePlanarCoords(").concat(t, ", ").concat(e, ", ").concat(a, ".xyz, ").concat(n, ");\n            #endif\n\n            #ifdef ").concat(this._defineCubicName, "\n                #ifdef ").concat(this._defineLocalCubicName, "\n                    vec3 ").concat(this._reflectionVectorName, " = computeCubicLocalCoords(").concat(t, ", ").concat(e, ", ").concat(a, ".xyz, ").concat(n, ", ").concat(this._reflectionSizeName, ", ").concat(this._reflectionPositionName, ");\n                #else\n                vec3 ").concat(this._reflectionVectorName, " = computeCubicCoords(").concat(t, ", ").concat(e, ", ").concat(a, ".xyz, ").concat(n, ");\n                #endif\n            #endif\n\n            #ifdef ").concat(this._defineProjectionName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeProjectionCoords(").concat(t, ", ").concat(s, ", ").concat(n, ");\n            #endif\n\n            #ifdef ").concat(this._defineSkyboxName, "\n                vec3 ").concat(this._reflectionVectorName, " = computeSkyBoxCoords(").concat(o, ", ").concat(n, ");\n            #endif\n\n            #ifdef ").concat(this._defineExplicitName, "\n                vec3 ").concat(this._reflectionVectorName, " = vec3(0, 0, 0);\n            #endif\n\n            #ifdef ").concat(this._defineOppositeZ, "\n                ").concat(this._reflectionVectorName, ".z *= -1.0;\n            #endif\r\n");
                return i || (l += "\n                #ifdef ".concat(this._define3DName, "\n                    vec3 ").concat(this._reflectionCoordsName, " = ").concat(this._reflectionVectorName, ";\n                #else\n                    vec2 ").concat(this._reflectionCoordsName, " = ").concat(this._reflectionVectorName, ".xy;\n                    #ifdef ").concat(this._defineProjectionName, "\n                        ").concat(this._reflectionCoordsName, " /= ").concat(this._reflectionVectorName, ".z;\n                    #endif\n                    ").concat(this._reflectionCoordsName, ".y = 1.0 - ").concat(this._reflectionCoordsName, ".y;\n                #endif\r\n")),
                l
            }
            ,
            t.prototype.handleFragmentSideCodeReflectionColor = function(e, t) {
                void 0 === t && (t = ".rgb");
                var i = "vec" + (0 === t.length ? "4" : t.length - 1)
                  , n = "".concat(i, " ").concat(this._reflectionColorName, ";\n            #ifdef ").concat(this._define3DName, "\r\n");
                return n += e ? "".concat(this._reflectionColorName, " = textureCubeLodEXT(").concat(this._cubeSamplerName, ", ").concat(this._reflectionVectorName, ", ").concat(e, ")").concat(t, ";\r\n") : "".concat(this._reflectionColorName, " = textureCube(").concat(this._cubeSamplerName, ", ").concat(this._reflectionVectorName, ")").concat(t, ";\r\n"),
                n += "\n            #else\r\n",
                (n += e ? "".concat(this._reflectionColorName, " = texture2DLodEXT(").concat(this._2DSamplerName, ", ").concat(this._reflectionCoordsName, ", ").concat(e, ")").concat(t, ";\r\n") : "".concat(this._reflectionColorName, " = texture2D(").concat(this._2DSamplerName, ", ").concat(this._reflectionCoordsName, ")").concat(t, ";\r\n")) + "#endif\r\n"
            }
            ,
            t.prototype.writeOutputs = function(e, t) {
                var i = "";
                if (e.target === Dp.Fragment)
                    for (var n = 0, r = this._outputs; n < r.length; n++) {
                        var o = r[n];
                        o.hasEndpoints && (i += "".concat(this._declareOutput(o, e), " = ").concat(t, ".").concat(o.name, ";\r\n"))
                    }
                return i
            }
            ,
            t.prototype._buildBlock = function(t) {
                return e.prototype._buildBlock.call(this, t),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                if (!this.texture)
                    return t;
                if (this.texture.isCube) {
                    var i = this.texture.forcedExtension;
                    t += "".concat(this._codeVariableName, '.texture = new BABYLON.CubeTexture("').concat(this.texture.name, '", undefined, undefined, ').concat(this.texture.noMipmap, ", null, undefined, undefined, undefined, ").concat(this.texture._prefiltered, ", ").concat(i ? '"' + i + '"' : "null", ");\r\n")
                } else
                    t += "".concat(this._codeVariableName, '.texture = new BABYLON.Texture("').concat(this.texture.name, '", null);\r\n');
                return t + "".concat(this._codeVariableName, ".texture.coordinatesMode = ").concat(this.texture.coordinatesMode, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.texture && !this.texture.isRenderTarget && (t.texture = this.texture.serialize()),
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                t.texture && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                t.texture.isCube ? this.texture = Bd.Parse(t.texture, i, n) : this.texture = io.Parse(t.texture, i, n))
            }
            ,
            t
        }(Wp);
        y("BABYLON.ReflectionTextureBaseBlock", km);
        var Gm = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.registerInput("position", Op.Vector3, !1, Dp.Vertex),
                i.registerInput("worldPosition", Op.Vector4, !1, Dp.Vertex),
                i.registerInput("worldNormal", Op.Vector4, !1, Dp.Fragment),
                i.registerInput("world", Op.Matrix, !1, Dp.Vertex),
                i.registerInput("cameraPosition", Op.Vector3, !1, Dp.Fragment),
                i.registerInput("view", Op.Matrix, !1, Dp.Fragment),
                i.registerOutput("rgb", Op.Color3, Dp.Fragment),
                i.registerOutput("rgba", Op.Color4, Dp.Fragment),
                i.registerOutput("r", Op.Float, Dp.Fragment),
                i.registerOutput("g", Op.Float, Dp.Fragment),
                i.registerOutput("b", Op.Float, Dp.Fragment),
                i.registerOutput("a", Op.Float, Dp.Fragment),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ReflectionTextureBlock"
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraPosition", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(t) {
                if (e.prototype.autoConfigure.call(this, t),
                !this.cameraPosition.isConnected) {
                    var i = t.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.CameraPosition
                    }
                    ));
                    i || (i = new tf("cameraPosition")).setAsSystemValue(Qp.CameraPosition),
                    i.output.connectTo(this.cameraPosition)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                !this.texture)
                    return t.compilationString += this.writeOutputs(t, "vec3(0.)"),
                    this;
                if (t.target !== Dp.Fragment)
                    return t.compilationString += this.handleVertexSide(t),
                    this;
                this.handleFragmentSideInits(t);
                var i = t._getFreeVariableName("normalWUnit");
                return t.compilationString += "vec4 ".concat(i, " = normalize(").concat(this.worldNormal.associatedVariableName, ");\r\n"),
                t.compilationString += this.handleFragmentSideCodeReflectionCoords(i),
                t.compilationString += this.handleFragmentSideCodeReflectionColor(void 0, ""),
                t.compilationString += this.writeOutputs(t, this._reflectionColorName),
                this
            }
            ,
            t
        }(km);
        y("BABYLON.ReflectionTextureBlock", Gm);
        var zm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment) || this;
                return i._samplerName = "textureSampler",
                i.useNonLinearDepth = !1,
                i.force32itsFloat = !1,
                i._isUnique = !0,
                i.registerInput("uv", Op.Vector2, !1, Dp.VertexAndFragment),
                i.registerOutput("depth", Op.Float, Dp.Neutral),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0]._prioritizeVertex = !1,
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SceneDepthBlock"
            }
            ,
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depth", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("textureSampler")
            }
            ,
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    return this.uv.isConnected ? this.uv.sourceBlock.isInput ? Dp.VertexAndFragment : Dp.Fragment : Dp.VertexAndFragment
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getTexture = function(e) {
                return e.enableDepthRenderer(void 0, this.useNonLinearDepth, this.force32itsFloat).getDepthMap()
            }
            ,
            t.prototype.bind = function(e, t) {
                var i = this._getTexture(t.getScene());
                e.setTexture(this._samplerName, i)
            }
            ,
            t.prototype._injectVertexCode = function(e) {
                var t = this.uv;
                if (t.connectedPoint.ownerBlock.isInput && (t.connectedPoint.ownerBlock.isAttribute || e._emitUniformFromString(t.associatedVariableName, "vec" + (t.type === Op.Vector3 ? "3" : t.type === Op.Vector4 ? "4" : "2"))),
                this._mainUVName = "vMain" + t.associatedVariableName,
                e._emitVaryingFromString(this._mainUVName, "vec2"),
                e.compilationString += "".concat(this._mainUVName, " = ").concat(t.associatedVariableName, ".xy;\r\n"),
                this._outputs.some((function(e) {
                    return e.isConnectedInVertexShader
                }
                ))) {
                    this._writeTextureRead(e, !0);
                    for (var i = 0, n = this._outputs; i < n.length; i++) {
                        var r = n[i];
                        r.hasEndpoints && this._writeOutput(e, r, "r", !0)
                    }
                }
            }
            ,
            t.prototype._writeTextureRead = function(e, t) {
                void 0 === t && (t = !1);
                var i = this.uv;
                if (t) {
                    if (e.target === Dp.Fragment)
                        return;
                    e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(i.associatedVariableName, ".xy);\r\n")
                } else
                    this.uv.ownerBlock.target !== Dp.Fragment ? e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(this._mainUVName, ");\r\n") : e.compilationString += "vec4 ".concat(this._tempTextureRead, " = texture2D(").concat(this._samplerName, ", ").concat(i.associatedVariableName, ".xy);\r\n")
            }
            ,
            t.prototype._writeOutput = function(e, t, i, n) {
                if (void 0 === n && (n = !1),
                n) {
                    if (e.target === Dp.Fragment)
                        return;
                    e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n")
                } else
                    this.uv.ownerBlock.target,
                    Dp.Fragment,
                    e.compilationString += "".concat(this._declareOutput(t, e), " = ").concat(this._tempTextureRead, ".").concat(i, ";\r\n")
            }
            ,
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this._tempTextureRead = t._getFreeVariableName("tempTextureRead"),
                t.sharedData.bindableBlocks.indexOf(this) < 0 && t.sharedData.bindableBlocks.push(this),
                t.target !== Dp.Fragment)
                    return t._emit2DSampler(this._samplerName),
                    void this._injectVertexCode(t);
                if (this._outputs.some((function(e) {
                    return e.isConnectedInFragmentShader
                }
                ))) {
                    t._emit2DSampler(this._samplerName),
                    this._writeTextureRead(t);
                    for (var i = 0, n = this._outputs; i < n.length; i++) {
                        var r = n[i];
                        r.hasEndpoints && this._writeOutput(t, r, "r")
                    }
                    return this
                }
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.useNonLinearDepth = this.useNonLinearDepth,
                t.force32itsFloat = this.force32itsFloat,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.useNonLinearDepth = t.useNonLinearDepth,
                this.force32itsFloat = t.force32itsFloat
            }
            ,
            k([Yp("Use non linear depth", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    activatePreviewCommand: !0,
                    callback: function(e) {
                        return e.disableDepthRenderer()
                    }
                }
            })], t.prototype, "useNonLinearDepth", void 0),
            k([Yp("Force 32 bits float", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    activatePreviewCommand: !0,
                    callback: function(e) {
                        return e.disableDepthRenderer()
                    }
                }
            })], t.prototype, "force32itsFloat", void 0),
            t
        }(Wp);
        y("BABYLON.SceneDepthBlock", zm);
        var Wm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment, !0) || this;
                return i.registerInput("worldPosition", Op.Vector4, !1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ClipPlanesBlock"
            }
            ,
            t.prototype.initialize = function(e) {
                e._excludeVariableName("vClipPlane"),
                e._excludeVariableName("fClipDistance"),
                e._excludeVariableName("vClipPlane2"),
                e._excludeVariableName("fClipDistance2"),
                e._excludeVariableName("vClipPlane3"),
                e._excludeVariableName("fClipDistance3"),
                e._excludeVariableName("vClipPlane4"),
                e._excludeVariableName("fClipDistance4"),
                e._excludeVariableName("vClipPlane5"),
                e._excludeVariableName("fClipDistance5"),
                e._excludeVariableName("vClipPlane6"),
                e._excludeVariableName("fClipDistance6")
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    return Dp.VertexAndFragment
                },
                set: function(e) {},
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.prepareDefines = function(e, t, i) {
                var n = e.getScene()
                  , r = void 0 !== n.clipPlane && null !== n.clipPlane
                  , o = void 0 !== n.clipPlane2 && null !== n.clipPlane2
                  , a = void 0 !== n.clipPlane3 && null !== n.clipPlane3
                  , s = void 0 !== n.clipPlane4 && null !== n.clipPlane4
                  , l = void 0 !== n.clipPlane5 && null !== n.clipPlane5
                  , c = void 0 !== n.clipPlane6 && null !== n.clipPlane6;
                i.setValue("CLIPPLANE", r, !0),
                i.setValue("CLIPPLANE2", o, !0),
                i.setValue("CLIPPLANE3", a, !0),
                i.setValue("CLIPPLANE4", s, !0),
                i.setValue("CLIPPLANE5", l, !0),
                i.setValue("CLIPPLANE6", c, !0)
            }
            ,
            t.prototype.bind = function(e, t, i) {
                if (i) {
                    var n = i.getScene();
                    Mr.BindClipPlane(e, n)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = "//".concat(this.name);
                if (t.target !== Dp.Fragment) {
                    var n = this.worldPosition;
                    return t._emitFunctionFromInclude("clipPlaneVertexDeclaration", i, {
                        replaceStrings: [{
                            search: /uniform vec4 vClipPlane\d*;/g,
                            replace: ""
                        }]
                    }),
                    t.compilationString += t._emitCodeFromInclude("clipPlaneVertex", i, {
                        replaceStrings: [{
                            search: /worldPos/g,
                            replace: n.associatedVariableName
                        }]
                    }),
                    t._emitUniformFromString("vClipPlane", "vec4"),
                    t._emitUniformFromString("vClipPlane2", "vec4"),
                    t._emitUniformFromString("vClipPlane3", "vec4"),
                    t._emitUniformFromString("vClipPlane4", "vec4"),
                    t._emitUniformFromString("vClipPlane5", "vec4"),
                    void t._emitUniformFromString("vClipPlane6", "vec4")
                }
                return t.sharedData.bindableBlocks.push(this),
                t.sharedData.blocksWithDefines.push(this),
                t._emitFunctionFromInclude("clipPlaneFragmentDeclaration", i),
                t.compilationString += t._emitCodeFromInclude("clipPlaneFragment", i),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ClipPlanesBlock", Wm);
        var Hm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "AddBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(this.left.associatedVariableName, " + ").concat(this.right.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.AddBlock", Hm);
        var Xm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.AutoDetect),
                i.registerInput("factor", Op.Float),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ScaleBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "factor", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(this.input.associatedVariableName, " * ").concat(this.factor.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ScaleBlock", Xm);
        var jm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.minimum = 0,
                i.maximum = 1,
                i.registerInput("value", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ClampBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = clamp(".concat(this.value.associatedVariableName, ", ").concat(this._writeFloat(this.minimum), ", ").concat(this._writeFloat(this.maximum), ");\r\n"),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".minimum = ").concat(this.minimum, ";\r\n") + "".concat(this._codeVariableName, ".maximum = ").concat(this.maximum, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.minimum = this.minimum,
                t.maximum = this.maximum,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.minimum = t.minimum,
                this.maximum = t.maximum
            }
            ,
            k([Yp("Minimum", Xp.Float)], t.prototype, "minimum", void 0),
            k([Yp("Maximum", Xp.Float)], t.prototype, "maximum", void 0),
            t
        }(Wp);
        y("BABYLON.ClampBlock", jm);
        var Ym = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.Vector3),
                i._linkConnectionTypes(0, 1),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Vector2),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Vector2),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "CrossBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = cross(".concat(this.left.associatedVariableName, ".xyz, ").concat(this.right.associatedVariableName, ".xyz);\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.CrossBlock", Ym);
        var Km = function(e) {
            function t(t) {
                return e.call(this, t) || this
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "options", {
                get: function() {
                    return this._options
                },
                set: function(e) {
                    this._deserializeOptions(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "CustomBlock"
            }
            ,
            t.prototype._buildBlock = function(t) {
                var i = this;
                e.prototype._buildBlock.call(this, t);
                var n = this._code
                  , r = this._options.functionName;
                this._inputs.forEach((function(e) {
                    var i = new RegExp("\\{TYPE_" + e.name + "\\}","gm")
                      , o = t._getGLType(e.type);
                    n = n.replace(i, o),
                    r = r.replace(i, o)
                }
                )),
                this._outputs.forEach((function(e) {
                    var i = new RegExp("\\{TYPE_" + e.name + "\\}","gm")
                      , o = t._getGLType(e.type);
                    n = n.replace(i, o),
                    r = r.replace(i, o)
                }
                )),
                t._emitFunction(r, n, ""),
                this._outputs.forEach((function(e) {
                    t.compilationString += i._declareOutput(e, t) + ";\r\n"
                }
                )),
                t.compilationString += r + "(";
                var o = !1;
                return this._inputs.forEach((function(e, i) {
                    i > 0 && (t.compilationString += ", "),
                    t.compilationString += e.associatedVariableName,
                    o = !0
                }
                )),
                this._outputs.forEach((function(e, i) {
                    (i > 0 || o) && (t.compilationString += ", "),
                    t.compilationString += e.associatedVariableName
                }
                )),
                t.compilationString += ");\r\n",
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".options = ").concat(JSON.stringify(this._options), ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.options = this._options,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                this._deserializeOptions(t.options),
                e.prototype._deserialize.call(this, t, i, n)
            }
            ,
            t.prototype._deserializeOptions = function(e) {
                var t, i, n, r = this;
                this._options = e,
                this._code = e.code.join("\r\n") + "\r\n",
                this.name = this.name || e.name,
                this.target = Dp[e.target],
                null === (t = e.inParameters) || void 0 === t || t.forEach((function(e, t) {
                    var i = Op[e.type];
                    r.registerInput(e.name, i),
                    Object.defineProperty(r, e.name, {
                        get: function() {
                            return this._inputs[t]
                        },
                        enumerable: !0,
                        configurable: !0
                    })
                }
                )),
                null === (i = e.outParameters) || void 0 === i || i.forEach((function(e, t) {
                    r.registerOutput(e.name, Op[e.type]),
                    Object.defineProperty(r, e.name, {
                        get: function() {
                            return this._outputs[t]
                        },
                        enumerable: !0,
                        configurable: !0
                    }),
                    "BasedOnInput" === e.type && (r._outputs[t]._typeConnectionSource = r._findInputByName(e.typeFromInput)[0])
                }
                )),
                null === (n = e.inLinkedConnectionTypes) || void 0 === n || n.forEach((function(e) {
                    r._linkConnectionTypes(r._findInputByName(e.input1)[1], r._findInputByName(e.input2)[1])
                }
                ))
            }
            ,
            t.prototype._findInputByName = function(e) {
                if (!e)
                    return null;
                for (var t = 0; t < this._inputs.length; t++)
                    if (this._inputs[t].name === e)
                        return [this._inputs[t], t];
                return null
            }
            ,
            t
        }(Wp);
        y("BABYLON.CustomBlock", Km);
        var Qm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.Float),
                i._linkConnectionTypes(0, 1),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DotBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = dot(".concat(this.left.associatedVariableName, ", ").concat(this.right.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DotBlock", Qm);
        var qm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "NormalizeBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this._inputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = normalize(".concat(n.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.NormalizeBlock", qm);
        var Zm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.rSwizzle = "r",
                i.gSwizzle = "g",
                i.bSwizzle = "b",
                i.aSwizzle = "a",
                i.registerInput("rgb ", Op.Color3, !0),
                i.registerInput("r", Op.Float, !0),
                i.registerInput("g", Op.Float, !0),
                i.registerInput("b", Op.Float, !0),
                i.registerInput("a", Op.Float, !0),
                i.registerOutput("rgba", Op.Color4),
                i.registerOutput("rgb", Op.Color3),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ColorMergerBlock"
            }
            ,
            Object.defineProperty(t.prototype, "rgbIn", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "r", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "g", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgba", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgbOut", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rgb", {
                get: function() {
                    return this.rgbOut
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._inputRename = function(e) {
                return "rgb " === e ? "rgbIn" : e
            }
            ,
            t.prototype._buildSwizzle = function(e) {
                return "." + (this.rSwizzle + this.gSwizzle + this.bSwizzle + this.aSwizzle).substr(0, e)
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.r
                  , n = this.g
                  , r = this.b
                  , o = this.a
                  , a = this.rgbIn
                  , s = this._outputs[0]
                  , l = this._outputs[1];
                return a.isConnected ? (s.hasEndpoints && (t.compilationString += this._declareOutput(s, t) + " = vec4(".concat(a.associatedVariableName, ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(4), ";\r\n")),
                l.hasEndpoints && (t.compilationString += this._declareOutput(l, t) + " = ".concat(a.associatedVariableName).concat(this._buildSwizzle(3), ";\r\n"))) : (s.hasEndpoints && (t.compilationString += this._declareOutput(s, t) + " = vec4(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ", ").concat(o.isConnected ? this._writeVariable(o) : "0.0", ")").concat(this._buildSwizzle(4), ";\r\n")),
                l.hasEndpoints && (t.compilationString += this._declareOutput(l, t) + " = vec3(".concat(i.isConnected ? this._writeVariable(i) : "0.0", ", ").concat(n.isConnected ? this._writeVariable(n) : "0.0", ", ").concat(r.isConnected ? this._writeVariable(r) : "0.0", ")").concat(this._buildSwizzle(3), ";\r\n"))),
                this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.rSwizzle = this.rSwizzle,
                t.gSwizzle = this.gSwizzle,
                t.bSwizzle = this.bSwizzle,
                t.aSwizzle = this.aSwizzle,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r, o, a, s;
                e.prototype._deserialize.call(this, t, i, n),
                this.rSwizzle = null !== (r = t.rSwizzle) && void 0 !== r ? r : "r",
                this.gSwizzle = null !== (o = t.gSwizzle) && void 0 !== o ? o : "g",
                this.bSwizzle = null !== (a = t.bSwizzle) && void 0 !== a ? a : "b",
                this.aSwizzle = null !== (s = t.aSwizzle) && void 0 !== s ? s : "a"
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return t += "".concat(this._codeVariableName, ".rSwizzle = ").concat(this.rSwizzle, "};\r\n"),
                t += "".concat(this._codeVariableName, ".gSwizzle = ").concat(this.gSwizzle, "};\r\n"),
                (t += "".concat(this._codeVariableName, ".bSwizzle = ").concat(this.bSwizzle, "};\r\n")) + "".concat(this._codeVariableName, ".aSwizzle = ").concat(this.aSwizzle, "};\r\n")
            }
            ,
            t
        }(Wp);
        y("BABYLON.ColorMergerBlock", Zm);
        var Jm = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("xyzw", Op.Vector4, !0),
                i.registerInput("xyz ", Op.Vector3, !0),
                i.registerInput("xy ", Op.Vector2, !0),
                i.registerOutput("xyz", Op.Vector3),
                i.registerOutput("xy", Op.Vector2),
                i.registerOutput("zw", Op.Vector2),
                i.registerOutput("x", Op.Float),
                i.registerOutput("y", Op.Float),
                i.registerOutput("z", Op.Float),
                i.registerOutput("w", Op.Float),
                i.inputsAreExclusive = !0,
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VectorSplitterBlock"
            }
            ,
            Object.defineProperty(t.prototype, "xyzw", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzIn", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyIn", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyzOut", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xyOut", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "zw", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "z", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "w", {
                get: function() {
                    return this._outputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._inputRename = function(e) {
                switch (e) {
                case "xy ":
                    return "xyIn";
                case "xyz ":
                    return "xyzIn";
                default:
                    return e
                }
            }
            ,
            t.prototype._outputRename = function(e) {
                switch (e) {
                case "xy":
                    return "xyOut";
                case "xyz":
                    return "xyzOut";
                default:
                    return e
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this.xyzw.isConnected ? this.xyzw : this.xyzIn.isConnected ? this.xyzIn : this.xyIn
                  , n = this._outputs[0]
                  , r = this._outputs[1]
                  , o = this._outputs[2]
                  , a = this._outputs[3]
                  , s = this._outputs[4]
                  , l = this._outputs[5]
                  , c = this._outputs[6];
                return n.hasEndpoints && (i === this.xyIn ? t.compilationString += this._declareOutput(n, t) + " = vec3(".concat(i.associatedVariableName, ", 0.0);\r\n") : t.compilationString += this._declareOutput(n, t) + " = ".concat(i.associatedVariableName, ".xyz;\r\n")),
                o.hasEndpoints && this.xyzw.isConnected && (t.compilationString += this._declareOutput(o, t) + " = ".concat(this.xyzw.associatedVariableName, ".zw;\r\n")),
                r.hasEndpoints && (t.compilationString += this._declareOutput(r, t) + " = ".concat(i.associatedVariableName, ".xy;\r\n")),
                a.hasEndpoints && (t.compilationString += this._declareOutput(a, t) + " = ".concat(i.associatedVariableName, ".x;\r\n")),
                s.hasEndpoints && (t.compilationString += this._declareOutput(s, t) + " = ".concat(i.associatedVariableName, ".y;\r\n")),
                l.hasEndpoints && (t.compilationString += this._declareOutput(l, t) + " = ".concat(i.associatedVariableName, ".z;\r\n")),
                c.hasEndpoints && (t.compilationString += this._declareOutput(c, t) + " = ".concat(i.associatedVariableName, ".w;\r\n")),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.VectorSplitterBlock", Jm);
        var $m = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerInput("gradient", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i._linkConnectionTypes(1, 2, !0),
                i._inputs[2].acceptedConnectionPointTypes.push(Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "LerpBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "gradient", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = mix(".concat(this.left.associatedVariableName, " , ").concat(this.right.associatedVariableName, ", ").concat(this.gradient.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.LerpBlock", $m);
        var eg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DivideBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(this.left.associatedVariableName, " / ").concat(this.right.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DivideBlock", eg);
        var tg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SubtractBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(this.left.associatedVariableName, " - ").concat(this.right.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.SubtractBlock", tg);
        var ig = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.Float),
                i.registerInput("edge", Op.Float),
                i.registerOutput("output", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "StepBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "edge", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = step(".concat(this.edge.associatedVariableName, ", ").concat(this.value.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.StepBlock", ig);
        var ng = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._outputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "OneMinusBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = 1. - ".concat(this.input.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.OneMinusBlock", ng),
        y("BABYLON.OppositeBlock", ng);
        var rg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("worldPosition", Op.Vector4),
                i.registerInput("cameraPosition", Op.Vector3),
                i.registerOutput("output", Op.Vector3),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ViewDirectionBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraPosition", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.cameraPosition.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.CameraPosition
                    }
                    ));
                    t || (t = new tf("cameraPosition")).setAsSystemValue(Qp.CameraPosition),
                    t.output.connectTo(this.cameraPosition)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = normalize(".concat(this.cameraPosition.associatedVariableName, " - ").concat(this.worldPosition.associatedVariableName, ".xyz);\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ViewDirectionBlock", rg);
        var og = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("worldNormal", Op.Vector4),
                i.registerInput("viewDirection", Op.Vector3),
                i.registerInput("bias", Op.Float),
                i.registerInput("power", Op.Float),
                i.registerOutput("fresnel", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FresnelBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "viewDirection", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bias", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "power", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fresnel", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.viewDirection.isConnected) {
                    var t = new rg("View direction");
                    t.output.connectTo(this.viewDirection),
                    t.autoConfigure(e)
                }
                if (!this.bias.isConnected) {
                    var i = new tf("bias");
                    i.value = 0,
                    i.output.connectTo(this.bias)
                }
                if (!this.power.isConnected) {
                    var n = new tf("power");
                    n.value = 1,
                    n.output.connectTo(this.power)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = "//".concat(this.name);
                return t._emitFunctionFromInclude("fresnelFunction", i, {
                    removeIfDef: !0
                }),
                t.compilationString += this._declareOutput(this.fresnel, t) + " = computeFresnelTerm(".concat(this.viewDirection.associatedVariableName, ".xyz, ").concat(this.worldNormal.associatedVariableName, ".xyz, ").concat(this.bias.associatedVariableName, ", ").concat(this.power.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.FresnelBlock", og);
        var ag = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "MaxBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = max(".concat(this.left.associatedVariableName, ", ").concat(this.right.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.MaxBlock", ag);
        var sg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "MinBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = min(".concat(this.left.associatedVariableName, ", ").concat(this.right.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.MinBlock", sg);
        var lg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.Float),
                i._linkConnectionTypes(0, 1),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DistanceBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = length(".concat(this.left.associatedVariableName, " - ").concat(this.right.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DistanceBlock", lg);
        var cg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerOutput("output", Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "LengthBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = length(".concat(this.value.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.LengthBlock", cg);
        var ug = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "NegateBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = -1.0 * ".concat(this.value.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.NegateBlock", ug);
        var hg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerInput("power", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "PowBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "power", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = pow(".concat(this.value.associatedVariableName, ", ").concat(this.power.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.PowBlock", hg);
        var dg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("seed", Op.Vector2),
                i.registerOutput("output", Op.Float),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "RandomNumberBlock"
            }
            ,
            Object.defineProperty(t.prototype, "seed", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = "//".concat(this.name);
                return t._emitFunctionFromInclude("helperFunctions", n),
                t.compilationString += this._declareOutput(i, t) + " = getRand(".concat(this.seed.associatedVariableName, ".xy);\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.RandomNumberBlock", dg);
        var pg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("x", Op.Float),
                i.registerInput("y", Op.Float),
                i.registerOutput("output", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ArcTan2Block"
            }
            ,
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = atan(".concat(this.x.associatedVariableName, ", ").concat(this.y.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ArcTan2Block", pg);
        var fg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerInput("edge0", Op.Float),
                i.registerInput("edge1", Op.Float),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SmoothStepBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "edge0", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "edge1", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = smoothstep(".concat(this.edge0.associatedVariableName, ", ").concat(this.edge1.associatedVariableName, ", ").concat(this.value.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.SmoothStepBlock", fg);
        var _g = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._outputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ReciprocalBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = 1. / ".concat(this.input.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ReciprocalBlock", _g);
        var mg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerInput("reference", Op.AutoDetect),
                i.registerInput("distance", Op.Float),
                i.registerInput("replacement", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i._linkConnectionTypes(0, 3),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[3].excludedConnectionPointTypes.push(Op.Float),
                i._inputs[3].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ReplaceColorBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reference", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "distance", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "replacement", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + ";\r\n",
                t.compilationString += "if (length(".concat(this.value.associatedVariableName, " - ").concat(this.reference.associatedVariableName, ") < ").concat(this.distance.associatedVariableName, ") {\r\n"),
                t.compilationString += "".concat(i.associatedVariableName, " = ").concat(this.replacement.associatedVariableName, ";\r\n"),
                t.compilationString += "} else {\r\n",
                t.compilationString += "".concat(i.associatedVariableName, " = ").concat(this.value.associatedVariableName, ";\r\n"),
                t.compilationString += "}\r\n",
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ReplaceColorBlock", mg);
        var gg, vg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("value", Op.AutoDetect),
                i.registerInput("steps", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i._inputs[1].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "PosterizeBlock"
            }
            ,
            Object.defineProperty(t.prototype, "value", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "steps", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = floor(".concat(this.value.associatedVariableName, " / (1.0 / ").concat(this.steps.associatedVariableName, ")) * (1.0 / ").concat(this.steps.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.PosterizeBlock", vg),
        function(e) {
            e[e.SawTooth = 0] = "SawTooth",
            e[e.Square = 1] = "Square",
            e[e.Triangle = 2] = "Triangle"
        }(gg || (gg = {}));
        var yg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.kind = gg.SawTooth,
                i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._inputs[0].excludedConnectionPointTypes.push(Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "WaveBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                switch (this.kind) {
                case gg.SawTooth:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.input.associatedVariableName, " - floor(0.5 + ").concat(this.input.associatedVariableName, ");\r\n");
                    break;
                case gg.Square:
                    t.compilationString += this._declareOutput(i, t) + " = 1.0 - 2.0 * round(fract(".concat(this.input.associatedVariableName, "));\r\n");
                    break;
                case gg.Triangle:
                    t.compilationString += this._declareOutput(i, t) + " = 2.0 * abs(2.0 * (".concat(this.input.associatedVariableName, " - floor(0.5 + ").concat(this.input.associatedVariableName, "))) - 1.0;\r\n")
                }
                return this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.kind = this.kind,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.kind = t.kind
            }
            ,
            t
        }(Wp);
        y("BABYLON.WaveBlock", yg);
        var bg = function() {
            function e(e, t) {
                this.step = e,
                this.color = t
            }
            return Object.defineProperty(e.prototype, "step", {
                get: function() {
                    return this._step
                },
                set: function(e) {
                    this._step = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "color", {
                get: function() {
                    return this._color
                },
                set: function(e) {
                    this._color = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }()
          , Tg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.colorSteps = [new bg(0,D.Black()), new bg(1,D.White())],
                i.onValueChangedObservable = new h,
                i.registerInput("gradient", Op.Float),
                i.registerOutput("output", Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector2),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color4),
                i
            }
            return U(t, e),
            t.prototype.colorStepsUpdated = function() {
                this.onValueChangedObservable.notifyObservers(this)
            }
            ,
            t.prototype.getClassName = function() {
                return "GradientBlock"
            }
            ,
            Object.defineProperty(t.prototype, "gradient", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._writeColorConstant = function(e) {
                var t = this.colorSteps[e];
                return "vec3(".concat(t.color.r, ", ").concat(t.color.g, ", ").concat(t.color.b, ")")
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                if (this.colorSteps.length && this.gradient.connectedPoint) {
                    var n = t._getFreeVariableName("gradientTempColor")
                      , r = t._getFreeVariableName("gradientTempPosition");
                    t.compilationString += "vec3 ".concat(n, " = ").concat(this._writeColorConstant(0), ";\r\n"),
                    t.compilationString += "float ".concat(r, ";\r\n");
                    var o = this.gradient.associatedVariableName;
                    this.gradient.connectedPoint.type !== Op.Float && (o += ".x");
                    for (var a = 1; a < this.colorSteps.length; a++) {
                        var s = this.colorSteps[a]
                          , l = this.colorSteps[a - 1];
                        t.compilationString += "".concat(r, " = clamp((").concat(o, " - ").concat(t._emitFloat(l.step), ") / (").concat(t._emitFloat(s.step), " -  ").concat(t._emitFloat(l.step), "), 0.0, 1.0) * step(").concat(t._emitFloat(a), ", ").concat(t._emitFloat(this.colorSteps.length - 1), ");\r\n"),
                        t.compilationString += "".concat(n, " = mix(").concat(n, ", ").concat(this._writeColorConstant(a), ", ").concat(r, ");\r\n")
                    }
                    return t.compilationString += this._declareOutput(i, t) + " = ".concat(n, ";\r\n"),
                    this
                }
                t.compilationString += this._declareOutput(i, t) + " = vec3(0., 0., 0.);\r\n"
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                t.colorSteps = [];
                for (var i = 0, n = this.colorSteps; i < n.length; i++) {
                    var r = n[i];
                    t.colorSteps.push({
                        step: r.step,
                        color: {
                            r: r.color.r,
                            g: r.color.g,
                            b: r.color.b
                        }
                    })
                }
                return t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.colorSteps = [];
                for (var r = 0, o = t.colorSteps; r < o.length; r++) {
                    var a = o[r];
                    this.colorSteps.push(new bg(a.step,new D(a.color.r,a.color.g,a.color.b)))
                }
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                t += "".concat(this._codeVariableName, ".colorSteps = [];\r\n");
                for (var i = 0, n = this.colorSteps; i < n.length; i++) {
                    var r = n[i];
                    t += "".concat(this._codeVariableName, ".colorSteps.push(new BABYLON.GradientBlockColorStep(").concat(r.step, ", new BABYLON.Color3(").concat(r.color.r, ", ").concat(r.color.g, ", ").concat(r.color.b, ")));\r\n")
                }
                return t
            }
            ,
            t
        }(Wp);
        y("BABYLON.GradientBlock", Tg);
        var Eg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerInput("gradient", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i._linkConnectionTypes(1, 2, !0),
                i._inputs[2].acceptedConnectionPointTypes.push(Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "NLerpBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "gradient", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = normalize(mix(".concat(this.left.associatedVariableName, " , ").concat(this.right.associatedVariableName, ", ").concat(this.gradient.associatedVariableName, "));\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.NLerpBlock", Eg);
        var Sg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.manhattanDistance = !1,
                i.registerInput("seed", Op.Vector3),
                i.registerInput("jitter", Op.Float),
                i.registerOutput("output", Op.Vector2),
                i.registerOutput("x", Op.Float),
                i.registerOutput("y", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "WorleyNoise3DBlock"
            }
            ,
            Object.defineProperty(t.prototype, "seed", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "jitter", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "x", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "y", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this.seed.isConnected && (this.output.hasEndpoints || this.x.hasEndpoints || this.y.hasEndpoints)) {
                    t._emitFunction("worley3D", "vec3 permute(vec3 x){\r\n    return mod((34.0 * x + 1.0) * x, 289.0);\r\n}\r\n\r\nvec3 dist(vec3 x, vec3 y, vec3 z,  bool manhattanDistance){\r\n    return manhattanDistance ?  abs(x) + abs(y) + abs(z) :  (x * x + y * y + z * z);\r\n}\r\n\r\nvec2 worley(vec3 P, float jitter, bool manhattanDistance){\r\n    float K = 0.142857142857; // 1/7\r\n    float Ko = 0.428571428571; // 1/2-K/2\r\n    float  K2 = 0.020408163265306; // 1/(7*7)\r\n    float Kz = 0.166666666667; // 1/6\r\n    float Kzo = 0.416666666667; // 1/2-1/6*2\r\n\r\n    vec3 Pi = mod(floor(P), 289.0);\r\n    vec3 Pf = fract(P) - 0.5;\r\n\r\n    vec3 Pfx = Pf.x + vec3(1.0, 0.0, -1.0);\r\n    vec3 Pfy = Pf.y + vec3(1.0, 0.0, -1.0);\r\n    vec3 Pfz = Pf.z + vec3(1.0, 0.0, -1.0);\r\n\r\n    vec3 p = permute(Pi.x + vec3(-1.0, 0.0, 1.0));\r\n    vec3 p1 = permute(p + Pi.y - 1.0);\r\n    vec3 p2 = permute(p + Pi.y);\r\n    vec3 p3 = permute(p + Pi.y + 1.0);\r\n\r\n    vec3 p11 = permute(p1 + Pi.z - 1.0);\r\n    vec3 p12 = permute(p1 + Pi.z);\r\n    vec3 p13 = permute(p1 + Pi.z + 1.0);\r\n\r\n    vec3 p21 = permute(p2 + Pi.z - 1.0);\r\n    vec3 p22 = permute(p2 + Pi.z);\r\n    vec3 p23 = permute(p2 + Pi.z + 1.0);\r\n\r\n    vec3 p31 = permute(p3 + Pi.z - 1.0);\r\n    vec3 p32 = permute(p3 + Pi.z);\r\n    vec3 p33 = permute(p3 + Pi.z + 1.0);\r\n\r\n    vec3 ox11 = fract(p11*K) - Ko;\r\n    vec3 oy11 = mod(floor(p11*K), 7.0)*K - Ko;\r\n    vec3 oz11 = floor(p11*K2)*Kz - Kzo; // p11 < 289 guaranteed\r\n\r\n    vec3 ox12 = fract(p12*K) - Ko;\r\n    vec3 oy12 = mod(floor(p12*K), 7.0)*K - Ko;\r\n    vec3 oz12 = floor(p12*K2)*Kz - Kzo;\r\n\r\n    vec3 ox13 = fract(p13*K) - Ko;\r\n    vec3 oy13 = mod(floor(p13*K), 7.0)*K - Ko;\r\n    vec3 oz13 = floor(p13*K2)*Kz - Kzo;\r\n\r\n    vec3 ox21 = fract(p21*K) - Ko;\r\n    vec3 oy21 = mod(floor(p21*K), 7.0)*K - Ko;\r\n    vec3 oz21 = floor(p21*K2)*Kz - Kzo;\r\n\r\n    vec3 ox22 = fract(p22*K) - Ko;\r\n    vec3 oy22 = mod(floor(p22*K), 7.0)*K - Ko;\r\n    vec3 oz22 = floor(p22*K2)*Kz - Kzo;\r\n\r\n    vec3 ox23 = fract(p23*K) - Ko;\r\n    vec3 oy23 = mod(floor(p23*K), 7.0)*K - Ko;\r\n    vec3 oz23 = floor(p23*K2)*Kz - Kzo;\r\n\r\n    vec3 ox31 = fract(p31*K) - Ko;\r\n    vec3 oy31 = mod(floor(p31*K), 7.0)*K - Ko;\r\n    vec3 oz31 = floor(p31*K2)*Kz - Kzo;\r\n\r\n    vec3 ox32 = fract(p32*K) - Ko;\r\n    vec3 oy32 = mod(floor(p32*K), 7.0)*K - Ko;\r\n    vec3 oz32 = floor(p32*K2)*Kz - Kzo;\r\n\r\n    vec3 ox33 = fract(p33*K) - Ko;\r\n    vec3 oy33 = mod(floor(p33*K), 7.0)*K - Ko;\r\n    vec3 oz33 = floor(p33*K2)*Kz - Kzo;\r\n\r\n    vec3 dx11 = Pfx + jitter*ox11;\r\n    vec3 dy11 = Pfy.x + jitter*oy11;\r\n    vec3 dz11 = Pfz.x + jitter*oz11;\r\n\r\n    vec3 dx12 = Pfx + jitter*ox12;\r\n    vec3 dy12 = Pfy.x + jitter*oy12;\r\n    vec3 dz12 = Pfz.y + jitter*oz12;\r\n\r\n    vec3 dx13 = Pfx + jitter*ox13;\r\n    vec3 dy13 = Pfy.x + jitter*oy13;\r\n    vec3 dz13 = Pfz.z + jitter*oz13;\r\n\r\n    vec3 dx21 = Pfx + jitter*ox21;\r\n    vec3 dy21 = Pfy.y + jitter*oy21;\r\n    vec3 dz21 = Pfz.x + jitter*oz21;\r\n\r\n    vec3 dx22 = Pfx + jitter*ox22;\r\n    vec3 dy22 = Pfy.y + jitter*oy22;\r\n    vec3 dz22 = Pfz.y + jitter*oz22;\r\n\r\n    vec3 dx23 = Pfx + jitter*ox23;\r\n    vec3 dy23 = Pfy.y + jitter*oy23;\r\n    vec3 dz23 = Pfz.z + jitter*oz23;\r\n\r\n    vec3 dx31 = Pfx + jitter*ox31;\r\n    vec3 dy31 = Pfy.z + jitter*oy31;\r\n    vec3 dz31 = Pfz.x + jitter*oz31;\r\n\r\n    vec3 dx32 = Pfx + jitter*ox32;\r\n    vec3 dy32 = Pfy.z + jitter*oy32;\r\n    vec3 dz32 = Pfz.y + jitter*oz32;\r\n\r\n    vec3 dx33 = Pfx + jitter*ox33;\r\n    vec3 dy33 = Pfy.z + jitter*oy33;\r\n    vec3 dz33 = Pfz.z + jitter*oz33;\r\n\r\n    vec3 d11 = dist(dx11, dy11, dz11, manhattanDistance);\r\n    vec3 d12 =dist(dx12, dy12, dz12, manhattanDistance);\r\n    vec3 d13 = dist(dx13, dy13, dz13, manhattanDistance);\r\n    vec3 d21 = dist(dx21, dy21, dz21, manhattanDistance);\r\n    vec3 d22 = dist(dx22, dy22, dz22, manhattanDistance);\r\n    vec3 d23 = dist(dx23, dy23, dz23, manhattanDistance);\r\n    vec3 d31 = dist(dx31, dy31, dz31, manhattanDistance);\r\n    vec3 d32 = dist(dx32, dy32, dz32, manhattanDistance);\r\n    vec3 d33 = dist(dx33, dy33, dz33, manhattanDistance);\r\n\r\n    vec3 d1a = min(d11, d12);\r\n    d12 = max(d11, d12);\r\n    d11 = min(d1a, d13); // Smallest now not in d12 or d13\r\n    d13 = max(d1a, d13);\r\n    d12 = min(d12, d13); // 2nd smallest now not in d13\r\n    vec3 d2a = min(d21, d22);\r\n    d22 = max(d21, d22);\r\n    d21 = min(d2a, d23); // Smallest now not in d22 or d23\r\n    d23 = max(d2a, d23);\r\n    d22 = min(d22, d23); // 2nd smallest now not in d23\r\n    vec3 d3a = min(d31, d32);\r\n    d32 = max(d31, d32);\r\n    d31 = min(d3a, d33); // Smallest now not in d32 or d33\r\n    d33 = max(d3a, d33);\r\n    d32 = min(d32, d33); // 2nd smallest now not in d33\r\n    vec3 da = min(d11, d21);\r\n    d21 = max(d11, d21);\r\n    d11 = min(da, d31); // Smallest now in d11\r\n    d31 = max(da, d31); // 2nd smallest now not in d31\r\n    d11.xy = (d11.x < d11.y) ? d11.xy : d11.yx;\r\n    d11.xz = (d11.x < d11.z) ? d11.xz : d11.zx; // d11.x now smallest\r\n    d12 = min(d12, d21); // 2nd smallest now not in d21\r\n    d12 = min(d12, d22); // nor in d22\r\n    d12 = min(d12, d31); // nor in d31\r\n    d12 = min(d12, d32); // nor in d32\r\n    d11.yz = min(d11.yz,d12.xy); // nor in d12.yz\r\n    d11.y = min(d11.y,d12.z); // Only two more to go\r\n    d11.y = min(d11.y,d11.z); // Done! (Phew!)\r\n    return sqrt(d11.xy); // F1, F2\r\n}\r\n\r\n", "// Worley3D");
                    var i = t._getFreeVariableName("worleyTemp");
                    return t.compilationString += "vec2 ".concat(i, " = worley(").concat(this.seed.associatedVariableName, ", ").concat(this.jitter.associatedVariableName, ", ").concat(this.manhattanDistance, ");\r\n"),
                    this.output.hasEndpoints && (t.compilationString += this._declareOutput(this.output, t) + " = ".concat(i, ";\r\n")),
                    this.x.hasEndpoints && (t.compilationString += this._declareOutput(this.x, t) + " = ".concat(i, ".x;\r\n")),
                    this.y.hasEndpoints && (t.compilationString += this._declareOutput(this.y, t) + " = ".concat(i, ".y;\r\n")),
                    this
                }
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".manhattanDistance = ").concat(this.manhattanDistance, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.manhattanDistance = this.manhattanDistance,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.manhattanDistance = t.manhattanDistance
            }
            ,
            k([Yp("Use Manhattan Distance", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !1
                }
            })], t.prototype, "manhattanDistance", void 0),
            t
        }(Wp);
        y("BABYLON.WorleyNoise3DBlock", Sg);
        var Ag = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("seed", Op.Vector3),
                i.registerOutput("output", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SimplexPerlin3DBlock"
            }
            ,
            Object.defineProperty(t.prototype, "seed", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this.seed.isConnected && this._outputs[0].hasEndpoints)
                    return t._emitFunction("SimplexPerlin3D", "const float SKEWFACTOR = 1.0/3.0;\r\nconst float UNSKEWFACTOR = 1.0/6.0;\r\nconst float SIMPLEX_CORNER_POS = 0.5;\r\nconst float SIMPLEX_TETRAHADRON_HEIGHT = 0.70710678118654752440084436210485;\r\nfloat SimplexPerlin3D( vec3 P ){\r\n    P.x = P == vec3(0., 0., 0.) ? 0.00001 : P.x;\r\n    P *= SIMPLEX_TETRAHADRON_HEIGHT;\r\n    vec3 Pi = floor( P + dot( P, vec3( SKEWFACTOR) ) );    vec3 x0 = P - Pi + dot(Pi, vec3( UNSKEWFACTOR ) );\r\n    vec3 g = step(x0.yzx, x0.xyz);\r\n    vec3 l = 1.0 - g;\r\n    vec3 Pi_1 = min( g.xyz, l.zxy );\r\n    vec3 Pi_2 = max( g.xyz, l.zxy );\r\n    vec3 x1 = x0 - Pi_1 + UNSKEWFACTOR;\r\n    vec3 x2 = x0 - Pi_2 + SKEWFACTOR;\r\n    vec3 x3 = x0 - SIMPLEX_CORNER_POS;\r\n    vec4 v1234_x = vec4( x0.x, x1.x, x2.x, x3.x );\r\n    vec4 v1234_y = vec4( x0.y, x1.y, x2.y, x3.y );\r\n    vec4 v1234_z = vec4( x0.z, x1.z, x2.z, x3.z );\r\n    Pi.xyz = Pi.xyz - floor(Pi.xyz * ( 1.0 / 69.0 )) * 69.0;\r\n    vec3 Pi_inc1 = step( Pi, vec3( 69.0 - 1.5 ) ) * ( Pi + 1.0 );\r\n    vec4 Pt = vec4( Pi.xy, Pi_inc1.xy ) + vec2( 50.0, 161.0 ).xyxy;\r\n    Pt *= Pt;\r\n    vec4 V1xy_V2xy = mix( Pt.xyxy, Pt.zwzw, vec4( Pi_1.xy, Pi_2.xy ) );\r\n    Pt = vec4( Pt.x, V1xy_V2xy.xz, Pt.z ) * vec4( Pt.y, V1xy_V2xy.yw, Pt.w );\r\n    const vec3 SOMELARGEFLOATS = vec3( 635.298681, 682.357502, 668.926525 );\r\n    const vec3 ZINC = vec3( 48.500388, 65.294118, 63.934599 );\r\n    vec3 lowz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi.zzz * ZINC.xyz ) );\r\n    vec3 highz_mods = vec3( 1.0 / ( SOMELARGEFLOATS.xyz + Pi_inc1.zzz * ZINC.xyz ) );\r\n    Pi_1 = ( Pi_1.z < 0.5 ) ? lowz_mods : highz_mods;\r\n    Pi_2 = ( Pi_2.z < 0.5 ) ? lowz_mods : highz_mods;\r\n    vec4 hash_0 = fract( Pt * vec4( lowz_mods.x, Pi_1.x, Pi_2.x, highz_mods.x ) ) - 0.49999;\r\n    vec4 hash_1 = fract( Pt * vec4( lowz_mods.y, Pi_1.y, Pi_2.y, highz_mods.y ) ) - 0.49999;\r\n    vec4 hash_2 = fract( Pt * vec4( lowz_mods.z, Pi_1.z, Pi_2.z, highz_mods.z ) ) - 0.49999;\r\n    vec4 grad_results = inversesqrt( hash_0 * hash_0 + hash_1 * hash_1 + hash_2 * hash_2 ) * ( hash_0 * v1234_x + hash_1 * v1234_y + hash_2 * v1234_z );\r\n    const float FINAL_NORMALIZATION = 37.837227241611314102871574478976;\r\n    vec4 kernel_weights = v1234_x * v1234_x + v1234_y * v1234_y + v1234_z * v1234_z;\r\n    kernel_weights = max(0.5 - kernel_weights, 0.0);\r\n    kernel_weights = kernel_weights*kernel_weights*kernel_weights;\r\n    return dot( kernel_weights, grad_results ) * FINAL_NORMALIZATION;\r\n}\r\n", "// SimplexPerlin3D"),
                    t.compilationString += this._declareOutput(this._outputs[0], t) + " = SimplexPerlin3D(".concat(this.seed.associatedVariableName, ");\r\n"),
                    this
            }
            ,
            t
        }(Wp);
        y("BABYLON.SimplexPerlin3DBlock", Ag);
        var xg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("normalMap0", Op.Vector3),
                i.registerInput("normalMap1", Op.Vector3),
                i.registerOutput("output", Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Vector4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "NormalBlendBlock"
            }
            ,
            Object.defineProperty(t.prototype, "normalMap0", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normalMap1", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this._inputs[0]
                  , r = this._inputs[1]
                  , o = t._getFreeVariableName("stepR")
                  , a = t._getFreeVariableName("stepG");
                return t.compilationString += "float ".concat(o, " = step(0.5, ").concat(n.associatedVariableName, ".r);\r\n"),
                t.compilationString += "float ".concat(a, " = step(0.5, ").concat(n.associatedVariableName, ".g);\r\n"),
                t.compilationString += this._declareOutput(i, t) + ";\r\n",
                t.compilationString += "".concat(i.associatedVariableName, ".r = (1.0 - ").concat(o, ") * ").concat(n.associatedVariableName, ".r * ").concat(r.associatedVariableName, ".r * 2.0 + ").concat(o, " * (1.0 - (1.0 - ").concat(n.associatedVariableName, ".r) * (1.0 - ").concat(r.associatedVariableName, ".r) * 2.0);\r\n"),
                t.compilationString += "".concat(i.associatedVariableName, ".g = (1.0 - ").concat(a, ") * ").concat(n.associatedVariableName, ".g * ").concat(r.associatedVariableName, ".g * 2.0 + ").concat(a, " * (1.0 - (1.0 - ").concat(n.associatedVariableName, ".g) * (1.0 - ").concat(r.associatedVariableName, ".g) * 2.0);\r\n"),
                t.compilationString += "".concat(i.associatedVariableName, ".b = ").concat(n.associatedVariableName, ".b * ").concat(r.associatedVariableName, ".b;\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.NormalBlendBlock", xg);
        var Rg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.Vector2),
                i.registerInput("angle", Op.Float),
                i.registerOutput("output", Op.Vector2),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "Rotate2dBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "angle", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function() {
                if (!this.angle.isConnected) {
                    var e = new tf("angle");
                    e.value = 0,
                    e.output.connectTo(this.angle)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this.angle
                  , r = this.input;
                return t.compilationString += this._declareOutput(i, t) + " = vec2(cos(".concat(n.associatedVariableName, ") * ").concat(r.associatedVariableName, ".x - sin(").concat(n.associatedVariableName, ") * ").concat(r.associatedVariableName, ".y, sin(").concat(n.associatedVariableName, ") * ").concat(r.associatedVariableName, ".x + cos(").concat(n.associatedVariableName, ") * ").concat(r.associatedVariableName, ".y);\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.Rotate2dBlock", Rg);
        var Cg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("incident", Op.Vector3),
                i.registerInput("normal", Op.Vector3),
                i.registerOutput("output", Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ReflectBlock"
            }
            ,
            Object.defineProperty(t.prototype, "incident", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = reflect(".concat(this.incident.associatedVariableName, ".xyz, ").concat(this.normal.associatedVariableName, ".xyz);\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ReflectBlock", Cg);
        var Pg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("incident", Op.Vector3),
                i.registerInput("normal", Op.Vector3),
                i.registerInput("ior", Op.Float),
                i.registerOutput("output", Op.Vector3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Color4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Vector4),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color3),
                i._inputs[1].acceptedConnectionPointTypes.push(Op.Color4),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "RefractBlock"
            }
            ,
            Object.defineProperty(t.prototype, "incident", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "ior", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = refract(".concat(this.incident.associatedVariableName, ".xyz, ").concat(this.normal.associatedVariableName, ".xyz, ").concat(this.ior.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.RefractBlock", Pg);
        var Mg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("color", Op.Color3),
                i.registerInput("level", Op.Float),
                i.registerOutput("output", Op.Color3),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DesaturateBlock"
            }
            ,
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "level", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this.color.associatedVariableName
                  , r = t._getFreeVariableName("colorMin")
                  , o = t._getFreeVariableName("colorMax")
                  , a = t._getFreeVariableName("colorMerge");
                return t.compilationString += "float ".concat(r, " = min(min(").concat(n, ".x, ").concat(n, ".y), ").concat(n, ".z);\r\n"),
                t.compilationString += "float ".concat(o, " = max(max(").concat(n, ".x, ").concat(n, ".y), ").concat(n, ".z);\r\n"),
                t.compilationString += "float ".concat(a, " = 0.5 * (").concat(r, " + ").concat(o, ");\r\n"),
                t.compilationString += this._declareOutput(i, t) + " = mix(".concat(n, ", vec3(").concat(a, ", ").concat(a, ", ").concat(a, "), ").concat(this.level.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.DesaturateBlock", Mg);
        var Ig = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.Fragment) || this;
                return n.albedoScaling = !1,
                n.linkSheenWithAlbedo = !1,
                n._isUnique = !0,
                n.registerInput("intensity", Op.Float, !0, Dp.Fragment),
                n.registerInput("color", Op.Color3, !0, Dp.Fragment),
                n.registerInput("roughness", Op.Float, !0, Dp.Fragment),
                n.registerOutput("sheen", Op.Object, Dp.Fragment, new Bm("sheen",n,Vp.Output,t,"SheenBlock")),
                n
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("sheenOut"),
                e._excludeVariableName("sheenMapData"),
                e._excludeVariableName("vSheenColor"),
                e._excludeVariableName("vSheenRoughness")
            }
            ,
            t.prototype.getClassName = function() {
                return "SheenBlock"
            }
            ,
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "roughness", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sheen", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n),
                n.setValue("SHEEN", !0),
                n.setValue("SHEEN_USE_ROUGHNESS_FROM_MAINTEXTURE", !0, !0),
                n.setValue("SHEEN_LINKWITHALBEDO", this.linkSheenWithAlbedo, !0),
                n.setValue("SHEEN_ROUGHNESS", this.roughness.isConnected, !0),
                n.setValue("SHEEN_ALBEDOSCALING", this.albedoScaling, !0)
            }
            ,
            t.prototype.getCode = function(e) {
                var t = this.color.isConnected ? this.color.associatedVariableName : "vec3(1.)"
                  , i = this.intensity.isConnected ? this.intensity.associatedVariableName : "1."
                  , n = this.roughness.isConnected ? this.roughness.associatedVariableName : "0.";
                return "#ifdef SHEEN\n            sheenOutParams sheenOut;\n\n            vec4 vSheenColor = vec4(".concat(t, ", ").concat(i, ");\n\n            sheenBlock(\n                vSheenColor,\n            #ifdef SHEEN_ROUGHNESS\n                ").concat(n, ",\n            #endif\n                roughness,\n            #ifdef SHEEN_TEXTURE\n                ").concat("vec4(0.)", ",\n                1.0,\n            #endif\n                reflectance,\n            #ifdef SHEEN_LINKWITHALBEDO\n                baseColor,\n                surfaceAlbedo,\n            #endif\n            #ifdef ENVIRONMENTBRDF\n                NdotV,\n                environmentBrdf,\n            #endif\n            #if defined(REFLECTION) && defined(ENVIRONMENTBRDF)\n                AARoughnessFactors,\n                ").concat(null == e ? void 0 : e._vReflectionMicrosurfaceInfosName, ",\n                ").concat(null == e ? void 0 : e._vReflectionInfosName, ",\n                ").concat(null == e ? void 0 : e.reflectionColor, ",\n                vLightingIntensity,\n                #ifdef ").concat(null == e ? void 0 : e._define3DName, "\n                    ").concat(null == e ? void 0 : e._cubeSamplerName, ",\n                #else\n                    ").concat(null == e ? void 0 : e._2DSamplerName, ",\n                #endif\n                reflectionOut.reflectionCoords,\n                NdotVUnclamped,\n                #ifndef LODBASEDMICROSFURACE\n                    #ifdef ").concat(null == e ? void 0 : e._define3DName, "\n                        ").concat(null == e ? void 0 : e._cubeSamplerName, ",\n                        ").concat(null == e ? void 0 : e._cubeSamplerName, ",\n                    #else\n                        ").concat(null == e ? void 0 : e._2DSamplerName, ",\n                        ").concat(null == e ? void 0 : e._2DSamplerName, ",\n                    #endif\n                #endif\n                #if !defined(").concat(null == e ? void 0 : e._defineSkyboxName, ") && defined(RADIANCEOCCLUSION)\n                    seo,\n                #endif\n                #if !defined(").concat(null == e ? void 0 : e._defineSkyboxName, ") && defined(HORIZONOCCLUSION) && defined(BUMP) && defined(").concat(null == e ? void 0 : e._define3DName, ")\n                    eho,\n                #endif\n            #endif\n                sheenOut\n            );\n\n            #ifdef SHEEN_LINKWITHALBEDO\n                surfaceAlbedo = sheenOut.surfaceAlbedo;\n            #endif\n        #endif\r\n")
            }
            ,
            t.prototype._buildBlock = function(e) {
                return e.target === Dp.Fragment && e.sharedData.blocksWithDefines.push(this),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return (t += "".concat(this._codeVariableName, ".albedoScaling = ").concat(this.albedoScaling, ";\r\n")) + "".concat(this._codeVariableName, ".linkSheenWithAlbedo = ").concat(this.linkSheenWithAlbedo, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.albedoScaling = this.albedoScaling,
                t.linkSheenWithAlbedo = this.linkSheenWithAlbedo,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.albedoScaling = t.albedoScaling,
                this.linkSheenWithAlbedo = t.linkSheenWithAlbedo
            }
            ,
            k([Yp("Albedo scaling", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "albedoScaling", void 0),
            k([Yp("Link sheen with albedo", Xp.Boolean, "PROPERTIES", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "linkSheenWithAlbedo", void 0),
            t
        }(Wp);
        y("BABYLON.SheenBlock", Ig);
        var Og = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.Fragment) || this;
                return n._isUnique = !0,
                n.registerInput("intensity", Op.Float, !0, Dp.Fragment),
                n.registerInput("direction", Op.Vector2, !0, Dp.Fragment),
                n.registerInput("uv", Op.Vector2, !0),
                n.registerInput("worldTangent", Op.Vector4, !0),
                n.registerOutput("anisotropy", Op.Object, Dp.Fragment, new Bm("anisotropy",n,Vp.Output,t,"AnisotropyBlock")),
                n
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("anisotropicOut"),
                e._excludeVariableName("TBN")
            }
            ,
            t.prototype.getClassName = function() {
                return "AnisotropyBlock"
            }
            ,
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "direction", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldTangent", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "anisotropy", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._generateTBNSpace = function(e) {
                var t = ""
                  , i = "//".concat(this.name)
                  , n = this.uv
                  , r = this.worldPositionConnectionPoint
                  , o = this.worldNormalConnectionPoint
                  , a = this.worldTangent;
                n.isConnected || console.error("You must connect the 'uv' input of the Anisotropy block!"),
                e._emitExtension("derivatives", "#extension GL_OES_standard_derivatives : enable");
                var s = {
                    search: /defined\(TANGENT\)/g,
                    replace: a.isConnected ? "defined(TANGENT)" : "defined(IGNORE)"
                };
                return a.isConnected && (t += "vec3 tbnNormal = normalize(".concat(o.associatedVariableName, ".xyz);\r\n"),
                t += "vec3 tbnTangent = normalize(".concat(a.associatedVariableName, ".xyz);\r\n"),
                t += "vec3 tbnBitangent = cross(tbnNormal, tbnTangent);\r\n",
                t += "mat3 vTBN = mat3(tbnTangent, tbnBitangent, tbnNormal);\r\n"),
                t += "\n            #if defined(".concat(a.isConnected ? "TANGENT" : "IGNORE", ") && defined(NORMAL)\n                mat3 TBN = vTBN;\n            #else\n                mat3 TBN = cotangent_frame(").concat(o.associatedVariableName + ".xyz", ", ").concat("v_" + r.associatedVariableName + ".xyz", ", ").concat(n.isConnected ? n.associatedVariableName : "vec2(0.)", ", vec2(1., 1.));\n            #endif\r\n"),
                e._emitFunctionFromInclude("bumpFragmentMainFunctions", i, {
                    replaceStrings: [s]
                }),
                t
            }
            ,
            t.prototype.getCode = function(e, t) {
                void 0 === t && (t = !1);
                var i = "";
                t && (i += this._generateTBNSpace(e));
                var n = this.intensity.isConnected ? this.intensity.associatedVariableName : "1.0"
                  , r = this.direction.isConnected ? this.direction.associatedVariableName : "vec2(1., 0.)";
                return i + "anisotropicOutParams anisotropicOut;\n            anisotropicBlock(\n                vec3(".concat(r, ", ").concat(n, "),\n            #ifdef ANISOTROPIC_TEXTURE\n                vec3(0.),\n            #endif\n                TBN,\n                normalW,\n                viewDirectionW,\n                anisotropicOut\n            );\r\n")
            }
            ,
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n),
                n.setValue("ANISOTROPIC", !0),
                n.setValue("ANISOTROPIC_TEXTURE", !1, !0)
            }
            ,
            t.prototype._buildBlock = function(e) {
                return e.target === Dp.Fragment && e.sharedData.blocksWithDefines.push(this),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.AnisotropyBlock", Og);
        var Dg = function(e) {
            function t(i) {
                var n = e.call(this, i) || this;
                return n.useSphericalHarmonics = !0,
                n.forceIrradianceInFragment = !1,
                n._isUnique = !0,
                n.registerInput("position", Op.Vector3, !1, Dp.Vertex),
                n.registerInput("world", Op.Matrix, !1, Dp.Vertex),
                n.registerInput("color", Op.Color3, !0, Dp.Fragment),
                n.registerOutput("reflection", Op.Object, Dp.Fragment, new Bm("reflection",n,Vp.Output,t,"ReflectionBlock")),
                n
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ReflectionBlock"
            }
            ,
            Object.defineProperty(t.prototype, "position", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this.worldPositionConnectionPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this.worldNormalConnectionPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "world", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraPosition", {
                get: function() {
                    return this.cameraPositionConnectionPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this.viewConnectionPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "color", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reflection", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasTexture", {
                get: function() {
                    return !!this._getTexture()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reflectionColor", {
                get: function() {
                    return this.color.isConnected ? this.color.associatedVariableName : "vec3(1., 1., 1.)"
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getTexture = function() {
                return this.texture ? this.texture : this._scene.environmentTexture
            }
            ,
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n);
                var r = this._getTexture()
                  , o = r && r.getTextureMatrix;
                n.setValue("REFLECTION", o, !0),
                o && (n.setValue(this._defineLODReflectionAlpha, r.lodLevelInAlpha, !0),
                n.setValue(this._defineLinearSpecularReflection, r.linearSpecularLOD, !0),
                n.setValue(this._defineOppositeZ, this._scene.useRightHandedSystem ? !r.invertZ : r.invertZ, !0),
                n.setValue("SPHERICAL_HARMONICS", this.useSphericalHarmonics, !0),
                n.setValue("GAMMAREFLECTION", r.gammaSpace, !0),
                n.setValue("RGBDREFLECTION", r.isRGBD, !0),
                r && r.coordinatesMode !== io.SKYBOX_MODE && r.isCube && (n.setValue("USESPHERICALFROMREFLECTIONMAP", !0),
                n.setValue("USEIRRADIANCEMAP", !1),
                this.forceIrradianceInFragment || this._scene.getEngine().getCaps().maxVaryingVectors <= 8 ? n.setValue("USESPHERICALINVERTEX", !1) : n.setValue("USESPHERICALINVERTEX", !0)))
            }
            ,
            t.prototype.bind = function(t, i, n, r) {
                e.prototype.bind.call(this, t, i, n);
                var o = this._getTexture();
                if (o && r) {
                    o.isCube ? t.setTexture(this._cubeSamplerName, o) : t.setTexture(this._2DSamplerName, o);
                    var a = o.getSize().width;
                    t.setFloat3(this._vReflectionMicrosurfaceInfosName, a, o.lodGenerationScale, o.lodGenerationOffset),
                    t.setFloat2(this._vReflectionFilteringInfoName, a, d.Log2(a));
                    var s = r.materialDefines
                      , l = o.sphericalPolynomial;
                    if (s.USESPHERICALFROMREFLECTIONMAP && l)
                        if (s.SPHERICAL_HARMONICS) {
                            var c = l.preScaledHarmonics;
                            t.setVector3("vSphericalL00", c.l00),
                            t.setVector3("vSphericalL1_1", c.l1_1),
                            t.setVector3("vSphericalL10", c.l10),
                            t.setVector3("vSphericalL11", c.l11),
                            t.setVector3("vSphericalL2_2", c.l2_2),
                            t.setVector3("vSphericalL2_1", c.l2_1),
                            t.setVector3("vSphericalL20", c.l20),
                            t.setVector3("vSphericalL21", c.l21),
                            t.setVector3("vSphericalL22", c.l22)
                        } else
                            t.setFloat3("vSphericalX", l.x.x, l.x.y, l.x.z),
                            t.setFloat3("vSphericalY", l.y.x, l.y.y, l.y.z),
                            t.setFloat3("vSphericalZ", l.z.x, l.z.y, l.z.z),
                            t.setFloat3("vSphericalXX_ZZ", l.xx.x - l.zz.x, l.xx.y - l.zz.y, l.xx.z - l.zz.z),
                            t.setFloat3("vSphericalYY_ZZ", l.yy.x - l.zz.x, l.yy.y - l.zz.y, l.yy.z - l.zz.z),
                            t.setFloat3("vSphericalZZ", l.zz.x, l.zz.y, l.zz.z),
                            t.setFloat3("vSphericalXY", l.xy.x, l.xy.y, l.xy.z),
                            t.setFloat3("vSphericalYZ", l.yz.x, l.yz.y, l.yz.z),
                            t.setFloat3("vSphericalZX", l.zx.x, l.zx.y, l.zx.z)
                }
            }
            ,
            t.prototype.handleVertexSide = function(t) {
                var i = e.prototype.handleVertexSide.call(this, t);
                t._emitFunctionFromInclude("harmonicsFunctions", "//".concat(this.name), {
                    replaceStrings: [{
                        search: /uniform vec3 vSphericalL00;[\s\S]*?uniform vec3 vSphericalL22;/g,
                        replace: ""
                    }, {
                        search: /uniform vec3 vSphericalX;[\s\S]*?uniform vec3 vSphericalZX;/g,
                        replace: ""
                    }]
                });
                var n = t._getFreeVariableName("reflectionVector");
                return this._vEnvironmentIrradianceName = t._getFreeVariableName("vEnvironmentIrradiance"),
                t._emitVaryingFromString(this._vEnvironmentIrradianceName, "vec3", "defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)"),
                t._emitUniformFromString("vSphericalL00", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL1_1", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL10", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL11", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL2_2", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL2_1", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL20", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL21", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalL22", "vec3", "SPHERICAL_HARMONICS"),
                t._emitUniformFromString("vSphericalX", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalY", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalZ", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalXX_ZZ", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalYY_ZZ", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalZZ", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalXY", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalYZ", "vec3", "SPHERICAL_HARMONICS", !0),
                t._emitUniformFromString("vSphericalZX", "vec3", "SPHERICAL_HARMONICS", !0),
                i + "#if defined(USESPHERICALFROMREFLECTIONMAP) && defined(USESPHERICALINVERTEX)\n                vec3 ".concat(n, " = vec3(").concat(this._reflectionMatrixName, " * vec4(normalize(").concat(this.worldNormal.associatedVariableName, ").xyz, 0)).xyz;\n                #ifdef ").concat(this._defineOppositeZ, "\n                    ").concat(n, ".z *= -1.0;\n                #endif\n                ").concat(this._vEnvironmentIrradianceName, " = computeEnvironmentIrradiance(").concat(n, ");\n            #endif\r\n")
            }
            ,
            t.prototype.getCode = function(e, t) {
                var i = "";
                this.handleFragmentSideInits(e),
                e._emitFunctionFromInclude("harmonicsFunctions", "//".concat(this.name), {
                    replaceStrings: [{
                        search: /uniform vec3 vSphericalL00;[\s\S]*?uniform vec3 vSphericalL22;/g,
                        replace: ""
                    }, {
                        search: /uniform vec3 vSphericalX;[\s\S]*?uniform vec3 vSphericalZX;/g,
                        replace: ""
                    }]
                }),
                e._emitFunction("sampleReflection", "\n            #ifdef ".concat(this._define3DName, "\n                #define sampleReflection(s, c) textureCube(s, c)\n            #else\n                #define sampleReflection(s, c) texture2D(s, c)\n            #endif\r\n"), "//".concat(this.name)),
                e._emitFunction("sampleReflectionLod", "\n            #ifdef ".concat(this._define3DName, "\n                #define sampleReflectionLod(s, c, l) textureCubeLodEXT(s, c, l)\n            #else\n                #define sampleReflectionLod(s, c, l) texture2DLodEXT(s, c, l)\n            #endif\r\n"), "//".concat(this.name));
                var n = "\n            vec3 computeReflectionCoordsPBR(vec4 worldPos, vec3 worldNormal) {\n                ".concat(this.handleFragmentSideCodeReflectionCoords("worldNormal", "worldPos", !0), "\n                return ").concat(this._reflectionVectorName, ";\n            }\r\n");
                return e._emitFunction("computeReflectionCoordsPBR", n, "//".concat(this.name)),
                this._vReflectionMicrosurfaceInfosName = e._getFreeVariableName("vReflectionMicrosurfaceInfos"),
                e._emitUniformFromString(this._vReflectionMicrosurfaceInfosName, "vec3"),
                this._vReflectionInfosName = e._getFreeVariableName("vReflectionInfos"),
                this._vReflectionFilteringInfoName = e._getFreeVariableName("vReflectionFilteringInfo"),
                e._emitUniformFromString(this._vReflectionFilteringInfoName, "vec2"),
                i + "#ifdef REFLECTION\n            vec2 ".concat(this._vReflectionInfosName, " = vec2(1., 0.);\n\n            reflectionOutParams reflectionOut;\n\n            reflectionBlock(\n                ").concat("v_" + this.worldPosition.associatedVariableName + ".xyz", ",\n                ").concat(t, ",\n                alphaG,\n                ").concat(this._vReflectionMicrosurfaceInfosName, ",\n                ").concat(this._vReflectionInfosName, ",\n                ").concat(this.reflectionColor, ",\n            #ifdef ANISOTROPIC\n                anisotropicOut,\n            #endif\n            #if defined(").concat(this._defineLODReflectionAlpha, ") && !defined(").concat(this._defineSkyboxName, ")\n                NdotVUnclamped,\n            #endif\n            #ifdef ").concat(this._defineLinearSpecularReflection, "\n                roughness,\n            #endif\n            #ifdef ").concat(this._define3DName, "\n                ").concat(this._cubeSamplerName, ",\n            #else\n                ").concat(this._2DSamplerName, ",\n            #endif\n            #if defined(NORMAL) && defined(USESPHERICALINVERTEX)\n                ").concat(this._vEnvironmentIrradianceName, ",\n            #endif\n            #ifdef USESPHERICALFROMREFLECTIONMAP\n                #if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\n                    ").concat(this._reflectionMatrixName, ",\n                #endif\n            #endif\n            #ifdef USEIRRADIANCEMAP\n                irradianceSampler, // ** not handled **\n            #endif\n            #ifndef LODBASEDMICROSFURACE\n                #ifdef ").concat(this._define3DName, "\n                    ").concat(this._cubeSamplerName, ",\n                    ").concat(this._cubeSamplerName, ",\n                #else\n                    ").concat(this._2DSamplerName, ",\n                    ").concat(this._2DSamplerName, ",\n                #endif\n            #endif\n            #ifdef REALTIME_FILTERING\n                ").concat(this._vReflectionFilteringInfoName, ",\n            #endif\n                reflectionOut\n            );\n        #endif\r\n")
            }
            ,
            t.prototype._buildBlock = function(e) {
                return this._scene = e.sharedData.scene,
                e.target !== Dp.Fragment && (this._defineLODReflectionAlpha = e._getFreeDefineName("LODINREFLECTIONALPHA"),
                this._defineLinearSpecularReflection = e._getFreeDefineName("LINEARSPECULARREFLECTION")),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return this.texture && (t += "".concat(this._codeVariableName, ".texture.gammaSpace = ").concat(this.texture.gammaSpace, ";\r\n")),
                (t += "".concat(this._codeVariableName, ".useSphericalHarmonics = ").concat(this.useSphericalHarmonics, ";\r\n")) + "".concat(this._codeVariableName, ".forceIrradianceInFragment = ").concat(this.forceIrradianceInFragment, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t, i, n = e.prototype.serialize.call(this);
                return n.useSphericalHarmonics = this.useSphericalHarmonics,
                n.forceIrradianceInFragment = this.forceIrradianceInFragment,
                n.gammaSpace = null === (i = null === (t = this.texture) || void 0 === t ? void 0 : t.gammaSpace) || void 0 === i || i,
                n
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.useSphericalHarmonics = t.useSphericalHarmonics,
                this.forceIrradianceInFragment = t.forceIrradianceInFragment,
                this.texture && (this.texture.gammaSpace = t.gammaSpace)
            }
            ,
            k([Yp("Spherical Harmonics", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useSphericalHarmonics", void 0),
            k([Yp("Force irradiance in fragment", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "forceIrradianceInFragment", void 0),
            t
        }(km);
        y("BABYLON.ReflectionBlock", Dg);
        var Ng = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.Fragment) || this;
                return n.remapF0OnInterfaceChange = !0,
                n._isUnique = !0,
                n.registerInput("intensity", Op.Float, !1, Dp.Fragment),
                n.registerInput("roughness", Op.Float, !0, Dp.Fragment),
                n.registerInput("indexOfRefraction", Op.Float, !0, Dp.Fragment),
                n.registerInput("normalMapColor", Op.Color3, !0, Dp.Fragment),
                n.registerInput("uv", Op.Vector2, !0, Dp.Fragment),
                n.registerInput("tintColor", Op.Color3, !0, Dp.Fragment),
                n.registerInput("tintAtDistance", Op.Float, !0, Dp.Fragment),
                n.registerInput("tintThickness", Op.Float, !0, Dp.Fragment),
                n.registerInput("worldTangent", Op.Vector4, !0),
                n.registerOutput("clearcoat", Op.Object, Dp.Fragment, new Bm("clearcoat",n,Vp.Output,t,"ClearCoatBlock")),
                n
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("clearcoatOut"),
                e._excludeVariableName("vClearCoatParams"),
                e._excludeVariableName("vClearCoatTintParams"),
                e._excludeVariableName("vClearCoatRefractionParams"),
                e._excludeVariableName("vClearCoatTangentSpaceParams")
            }
            ,
            t.prototype.getClassName = function() {
                return "ClearCoatBlock"
            }
            ,
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "roughness", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "indexOfRefraction", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "normalMapColor", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "uv", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tintColor", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tintAtDistance", {
                get: function() {
                    return this._inputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tintThickness", {
                get: function() {
                    return this._inputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldTangent", {
                get: function() {
                    return this._inputs[8]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "clearcoat", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function() {
                if (!this.intensity.isConnected) {
                    var e = new tf("ClearCoat intensity",Dp.Fragment,Op.Float);
                    e.value = 1,
                    e.output.connectTo(this.intensity)
                }
            }
            ,
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n),
                n.setValue("CLEARCOAT", !0),
                n.setValue("CLEARCOAT_TEXTURE", !1, !0),
                n.setValue("CLEARCOAT_USE_ROUGHNESS_FROM_MAINTEXTURE", !0, !0),
                n.setValue("CLEARCOAT_TINT", this.tintColor.isConnected || this.tintThickness.isConnected || this.tintAtDistance.isConnected, !0),
                n.setValue("CLEARCOAT_BUMP", this.normalMapColor.isConnected, !0),
                n.setValue("CLEARCOAT_DEFAULTIOR", !this.indexOfRefraction.isConnected || this.indexOfRefraction.connectInputBlock.value === Qd._DefaultIndexOfRefraction, !0),
                n.setValue("CLEARCOAT_REMAP_F0", this.remapF0OnInterfaceChange, !0)
            }
            ,
            t.prototype.bind = function(t, i, n) {
                var r, o;
                e.prototype.bind.call(this, t, i, n);
                var a = null !== (o = null === (r = this.indexOfRefraction.connectInputBlock) || void 0 === r ? void 0 : r.value) && void 0 !== o ? o : Qd._DefaultIndexOfRefraction
                  , s = 1 - a
                  , l = 1 + a
                  , c = Math.pow(-s / l, 2)
                  , u = 1 / a;
                t.setFloat4("vClearCoatRefractionParams", c, u, s, l);
                var h = this.clearcoat.hasEndpoints ? this.clearcoat.endpoints[0].ownerBlock : null
                  , d = (null == h ? void 0 : h.perturbedNormal.isConnected) ? h.perturbedNormal.connectedPoint.ownerBlock : null;
                this._scene._mirroredCameraPosition ? t.setFloat2("vClearCoatTangentSpaceParams", (null == d ? void 0 : d.invertX) ? 1 : -1, (null == d ? void 0 : d.invertY) ? 1 : -1) : t.setFloat2("vClearCoatTangentSpaceParams", (null == d ? void 0 : d.invertX) ? -1 : 1, (null == d ? void 0 : d.invertY) ? -1 : 1)
            }
            ,
            t.prototype._generateTBNSpace = function(e, t, i) {
                var n = ""
                  , r = "//".concat(this.name)
                  , o = this.worldTangent;
                e._emitExtension("derivatives", "#extension GL_OES_standard_derivatives : enable");
                var a = {
                    search: /defined\(TANGENT\)/g,
                    replace: o.isConnected ? "defined(TANGENT)" : "defined(IGNORE)"
                };
                return o.isConnected && (n += "vec3 tbnNormal = normalize(".concat(i, ".xyz);\r\n"),
                n += "vec3 tbnTangent = normalize(".concat(o.associatedVariableName, ".xyz);\r\n"),
                n += "vec3 tbnBitangent = cross(tbnNormal, tbnTangent);\r\n",
                n += "mat3 vTBN = mat3(tbnTangent, tbnBitangent, tbnNormal);\r\n"),
                e._emitFunctionFromInclude("bumpFragmentMainFunctions", r, {
                    replaceStrings: [a]
                }),
                n
            }
            ,
            t.GetCode = function(e, t, i, n, r, o, a) {
                var s = ""
                  , l = (null == t ? void 0 : t.intensity.isConnected) ? t.intensity.associatedVariableName : "1."
                  , c = (null == t ? void 0 : t.roughness.isConnected) ? t.roughness.associatedVariableName : "0."
                  , u = (null == t ? void 0 : t.normalMapColor.isConnected) ? t.normalMapColor.associatedVariableName : "vec3(0.)"
                  , h = (null == t ? void 0 : t.uv.isConnected) ? t.uv.associatedVariableName : "vec2(0.)"
                  , d = (null == t ? void 0 : t.tintColor.isConnected) ? t.tintColor.associatedVariableName : "vec3(1.)"
                  , p = (null == t ? void 0 : t.tintThickness.isConnected) ? t.tintThickness.associatedVariableName : "1."
                  , f = (null == t ? void 0 : t.tintAtDistance.isConnected) ? t.tintAtDistance.associatedVariableName : "1.";
                return t && (e._emitUniformFromString("vClearCoatRefractionParams", "vec4"),
                e._emitUniformFromString("vClearCoatTangentSpaceParams", "vec2")),
                r && t && (s += t._generateTBNSpace(e, n, a),
                o = t.worldTangent.isConnected),
                s + "clearcoatOutParams clearcoatOut;\n\n        #ifdef CLEARCOAT\n            vec2 vClearCoatParams = vec2(".concat(l, ", ").concat(c, ");\n            vec4 vClearCoatTintParams = vec4(").concat(d, ", ").concat(p, ");\n\n            clearcoatBlock(\n                ").concat(n, ".xyz,\n                geometricNormalW,\n                viewDirectionW,\n                vClearCoatParams,\n                specularEnvironmentR0,\n            #ifdef CLEARCOAT_TEXTURE\n                vec2(0.),\n            #endif\n            #ifdef CLEARCOAT_TINT\n                vClearCoatTintParams,\n                ").concat(f, ",\n                vClearCoatRefractionParams,\n                #ifdef CLEARCOAT_TINT_TEXTURE\n                    ").concat("vec4(0.)", ",\n                #endif\n            #endif\n            #ifdef CLEARCOAT_BUMP\n                vec2(0., 1.),\n                vec4(").concat(u, ", 0.),\n                ").concat(h, ",\n                #if defined(").concat(o ? "TANGENT" : "IGNORE", ") && defined(NORMAL)\n                    vTBN,\n                #else\n                    vClearCoatTangentSpaceParams,\n                #endif\n                #ifdef OBJECTSPACE_NORMALMAP\n                    normalMatrix,\n                #endif\n            #endif\n            #if defined(FORCENORMALFORWARD) && defined(NORMAL)\n                faceNormal,\n            #endif\n            #ifdef REFLECTION\n                ").concat(null == i ? void 0 : i._vReflectionMicrosurfaceInfosName, ",\n                ").concat(null == i ? void 0 : i._vReflectionInfosName, ",\n                ").concat(null == i ? void 0 : i.reflectionColor, ",\n                vLightingIntensity,\n                #ifdef ").concat(null == i ? void 0 : i._define3DName, "\n                    ").concat(null == i ? void 0 : i._cubeSamplerName, ",\n                #else\n                    ").concat(null == i ? void 0 : i._2DSamplerName, ",\n                #endif\n                #ifndef LODBASEDMICROSFURACE\n                    #ifdef ").concat(null == i ? void 0 : i._define3DName, "\n                        ").concat(null == i ? void 0 : i._cubeSamplerName, ",\n                        ").concat(null == i ? void 0 : i._cubeSamplerName, ",\n                    #else\n                        ").concat(null == i ? void 0 : i._2DSamplerName, ",\n                        ").concat(null == i ? void 0 : i._2DSamplerName, ",\n                    #endif\n                #endif\n            #endif\n            #if defined(ENVIRONMENTBRDF) && !defined(").concat(null == i ? void 0 : i._defineSkyboxName, ")\n                #ifdef RADIANCEOCCLUSION\n                    ambientMonochrome,\n                #endif\n            #endif\n            #if defined(CLEARCOAT_BUMP) || defined(TWOSIDEDLIGHTING)\n                (gl_FrontFacing ? 1. : -1.),\n            #endif\n                clearcoatOut\n            );\n        #else\n            clearcoatOut.specularEnvironmentR0 = specularEnvironmentR0;\n        #endif\r\n")
            }
            ,
            t.prototype._buildBlock = function(e) {
                return this._scene = e.sharedData.scene,
                e.target === Dp.Fragment && (e.sharedData.bindableBlocks.push(this),
                e.sharedData.blocksWithDefines.push(this)),
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".remapF0OnInterfaceChange = ").concat(this.remapF0OnInterfaceChange, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.remapF0OnInterfaceChange = this.remapF0OnInterfaceChange,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r;
                e.prototype._deserialize.call(this, t, i, n),
                this.remapF0OnInterfaceChange = null === (r = t.remapF0OnInterfaceChange) || void 0 === r || r
            }
            ,
            k([Yp("Remap F0 on interface change", Xp.Boolean, "ADVANCED")], t.prototype, "remapF0OnInterfaceChange", void 0),
            t
        }(Wp);
        y("BABYLON.ClearCoatBlock", Ng);
        var Lg = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.Fragment) || this;
                return n.linkRefractionWithTransparency = !1,
                n.invertRefractionY = !1,
                n.useThicknessAsDepth = !1,
                n._isUnique = !0,
                n.registerInput("intensity", Op.Float, !1, Dp.Fragment),
                n.registerInput("tintAtDistance", Op.Float, !0, Dp.Fragment),
                n.registerInput("volumeIndexOfRefraction", Op.Float, !0, Dp.Fragment),
                n.registerOutput("refraction", Op.Object, Dp.Fragment, new Bm("refraction",n,Vp.Output,t,"RefractionBlock")),
                n
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("vRefractionPosition"),
                e._excludeVariableName("vRefractionSize")
            }
            ,
            t.prototype.getClassName = function() {
                return "RefractionBlock"
            }
            ,
            Object.defineProperty(t.prototype, "intensity", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tintAtDistance", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "volumeIndexOfRefraction", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this.viewConnectionPoint
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "refraction", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hasTexture", {
                get: function() {
                    return !!this._getTexture()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getTexture = function() {
                return this.texture ? this.texture : this._scene.environmentTexture
            }
            ,
            t.prototype.autoConfigure = function(e) {
                if (!this.intensity.isConnected) {
                    var t = new tf("Refraction intensity",Dp.Fragment,Op.Float);
                    t.value = 1,
                    t.output.connectTo(this.intensity)
                }
                if (this.view && !this.view.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.View
                    }
                    ));
                    i || (i = new tf("view")).setAsSystemValue(Qp.View),
                    i.output.connectTo(this.view)
                }
            }
            ,
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n);
                var r = this._getTexture()
                  , o = r && r.getTextureMatrix;
                n.setValue("SS_REFRACTION", o, !0),
                o && (n.setValue(this._define3DName, r.isCube, !0),
                n.setValue(this._defineLODRefractionAlpha, r.lodLevelInAlpha, !0),
                n.setValue(this._defineLinearSpecularRefraction, r.linearSpecularLOD, !0),
                n.setValue(this._defineOppositeZ, this._scene.useRightHandedSystem ? !r.invertZ : r.invertZ, !0),
                n.setValue("SS_LINKREFRACTIONTOTRANSPARENCY", this.linkRefractionWithTransparency, !0),
                n.setValue("SS_GAMMAREFRACTION", r.gammaSpace, !0),
                n.setValue("SS_RGBDREFRACTION", r.isRGBD, !0),
                n.setValue("SS_USE_LOCAL_REFRACTIONMAP_CUBIC", !!r.boundingBoxSize, !0),
                n.setValue("SS_USE_THICKNESS_AS_DEPTH", this.useThicknessAsDepth, !0))
            }
            ,
            t.prototype.isReady = function() {
                var e = this._getTexture();
                return !(e && !e.isReadyOrNotBlocking())
            }
            ,
            t.prototype.bind = function(t, i, n) {
                var r, o, a, s;
                e.prototype.bind.call(this, t, i, n);
                var l = this._getTexture();
                if (l) {
                    l.isCube ? t.setTexture(this._cubeSamplerName, l) : t.setTexture(this._2DSamplerName, l),
                    t.setMatrix(this._refractionMatrixName, l.getReflectionTextureMatrix());
                    var c = 1;
                    l.isCube || l.depth && (c = l.depth);
                    var u = null !== (s = null !== (o = null === (r = this.volumeIndexOfRefraction.connectInputBlock) || void 0 === r ? void 0 : r.value) && void 0 !== o ? o : null === (a = this.indexOfRefractionConnectionPoint.connectInputBlock) || void 0 === a ? void 0 : a.value) && void 0 !== s ? s : 1.5;
                    t.setFloat4(this._vRefractionInfosName, l.level, 1 / u, c, this.invertRefractionY ? -1 : 1),
                    t.setFloat4(this._vRefractionMicrosurfaceInfosName, l.getSize().width, l.lodGenerationScale, l.lodGenerationOffset, 1 / u);
                    var h = l.getSize().width;
                    if (t.setFloat2(this._vRefractionFilteringInfoName, h, d.Log2(h)),
                    l.boundingBoxSize) {
                        var p = l;
                        t.setVector3("vRefractionPosition", p.boundingBoxPosition),
                        t.setVector3("vRefractionSize", p.boundingBoxSize)
                    }
                }
            }
            ,
            t.prototype.getCode = function(e) {
                return e.sharedData.blockingBlocks.push(this),
                e.sharedData.textureBlocks.push(this),
                this._cubeSamplerName = e._getFreeVariableName(this.name + "CubeSampler"),
                e.samplers.push(this._cubeSamplerName),
                this._2DSamplerName = e._getFreeVariableName(this.name + "2DSampler"),
                e.samplers.push(this._2DSamplerName),
                this._define3DName = e._getFreeDefineName("SS_REFRACTIONMAP_3D"),
                e._samplerDeclaration += "#ifdef ".concat(this._define3DName, "\r\n"),
                e._samplerDeclaration += "uniform samplerCube ".concat(this._cubeSamplerName, ";\r\n"),
                e._samplerDeclaration += "#else\r\n",
                e._samplerDeclaration += "uniform sampler2D ".concat(this._2DSamplerName, ";\r\n"),
                e._samplerDeclaration += "#endif\r\n",
                e.sharedData.blocksWithDefines.push(this),
                e.sharedData.bindableBlocks.push(this),
                this._defineLODRefractionAlpha = e._getFreeDefineName("SS_LODINREFRACTIONALPHA"),
                this._defineLinearSpecularRefraction = e._getFreeDefineName("SS_LINEARSPECULARREFRACTION"),
                this._defineOppositeZ = e._getFreeDefineName("SS_REFRACTIONMAP_OPPOSITEZ"),
                this._refractionMatrixName = e._getFreeVariableName("refractionMatrix"),
                e._emitUniformFromString(this._refractionMatrixName, "mat4"),
                e._emitFunction("sampleRefraction", "\n            #ifdef ".concat(this._define3DName, "\n                #define sampleRefraction(s, c) textureCube(s, c)\n            #else\n                #define sampleRefraction(s, c) texture2D(s, c)\n            #endif\r\n"), "//".concat(this.name)),
                e._emitFunction("sampleRefractionLod", "\n            #ifdef ".concat(this._define3DName, "\n                #define sampleRefractionLod(s, c, l) textureCubeLodEXT(s, c, l)\n            #else\n                #define sampleRefractionLod(s, c, l) texture2DLodEXT(s, c, l)\n            #endif\r\n"), "//".concat(this.name)),
                this._vRefractionMicrosurfaceInfosName = e._getFreeVariableName("vRefractionMicrosurfaceInfos"),
                e._emitUniformFromString(this._vRefractionMicrosurfaceInfosName, "vec4"),
                this._vRefractionInfosName = e._getFreeVariableName("vRefractionInfos"),
                e._emitUniformFromString(this._vRefractionInfosName, "vec4"),
                this._vRefractionFilteringInfoName = e._getFreeVariableName("vRefractionFilteringInfo"),
                e._emitUniformFromString(this._vRefractionFilteringInfoName, "vec2"),
                e._emitUniformFromString("vRefractionPosition", "vec3"),
                e._emitUniformFromString("vRefractionSize", "vec3"),
                ""
            }
            ,
            t.prototype._buildBlock = function(e) {
                return this._scene = e.sharedData.scene,
                this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return this.texture && (t = this.texture.isCube ? "".concat(this._codeVariableName, '.texture = new BABYLON.CubeTexture("').concat(this.texture.name, '");\r\n') : "".concat(this._codeVariableName, '.texture = new BABYLON.Texture("').concat(this.texture.name, '");\r\n'),
                t += "".concat(this._codeVariableName, ".texture.coordinatesMode = ").concat(this.texture.coordinatesMode, ";\r\n")),
                t += "".concat(this._codeVariableName, ".linkRefractionWithTransparency = ").concat(this.linkRefractionWithTransparency, ";\r\n"),
                (t += "".concat(this._codeVariableName, ".invertRefractionY = ").concat(this.invertRefractionY, ";\r\n")) + "".concat(this._codeVariableName, ".useThicknessAsDepth = ").concat(this.useThicknessAsDepth, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.texture && !this.texture.isRenderTarget && (t.texture = this.texture.serialize()),
                t.linkRefractionWithTransparency = this.linkRefractionWithTransparency,
                t.invertRefractionY = this.invertRefractionY,
                t.useThicknessAsDepth = this.useThicknessAsDepth,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                t.texture && (n = 0 === t.texture.url.indexOf("data:") ? "" : n,
                t.texture.isCube ? this.texture = Bd.Parse(t.texture, i, n) : this.texture = io.Parse(t.texture, i, n)),
                this.linkRefractionWithTransparency = t.linkRefractionWithTransparency,
                this.invertRefractionY = t.invertRefractionY,
                this.useThicknessAsDepth = !!t.useThicknessAsDepth
            }
            ,
            k([Yp("Link refraction to transparency", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "linkRefractionWithTransparency", void 0),
            k([Yp("Invert refraction Y", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "invertRefractionY", void 0),
            k([Yp("Use thickness as depth", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useThicknessAsDepth", void 0),
            t
        }(Wp);
        y("BABYLON.RefractionBlock", Lg);
        var Fg = function(e) {
            function t(i) {
                var n = e.call(this, i, Dp.Fragment) || this;
                return n._isUnique = !0,
                n.registerInput("thickness", Op.Float, !1, Dp.Fragment),
                n.registerInput("tintColor", Op.Color3, !0, Dp.Fragment),
                n.registerInput("translucencyIntensity", Op.Float, !0, Dp.Fragment),
                n.registerInput("translucencyDiffusionDist", Op.Color3, !0, Dp.Fragment),
                n.registerInput("refraction", Op.Object, !0, Dp.Fragment, new Bm("refraction",n,Vp.Input,Lg,"RefractionBlock")),
                n.registerOutput("subsurface", Op.Object, Dp.Fragment, new Bm("subsurface",n,Vp.Output,t,"SubSurfaceBlock")),
                n
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("subSurfaceOut"),
                e._excludeVariableName("vThicknessParam"),
                e._excludeVariableName("vTintColor"),
                e._excludeVariableName("vSubSurfaceIntensity")
            }
            ,
            t.prototype.getClassName = function() {
                return "SubSurfaceBlock"
            }
            ,
            Object.defineProperty(t.prototype, "thickness", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "tintColor", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "translucencyIntensity", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "translucencyDiffusionDist", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "refraction", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "subsurface", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function() {
                if (!this.thickness.isConnected) {
                    var e = new tf("SubSurface thickness",Dp.Fragment,Op.Float);
                    e.value = 0,
                    e.output.connectTo(this.thickness)
                }
            }
            ,
            t.prototype.prepareDefines = function(t, i, n) {
                e.prototype.prepareDefines.call(this, t, i, n);
                var r = this.translucencyDiffusionDist.isConnected || this.translucencyIntensity.isConnected;
                n.setValue("SUBSURFACE", r || this.refraction.isConnected, !0),
                n.setValue("SS_TRANSLUCENCY", r, !0),
                n.setValue("SS_THICKNESSANDMASK_TEXTURE", !1, !0),
                n.setValue("SS_REFRACTIONINTENSITY_TEXTURE", !1, !0),
                n.setValue("SS_TRANSLUCENCYINTENSITY_TEXTURE", !1, !0),
                n.setValue("SS_MASK_FROM_THICKNESS_TEXTURE", !1, !0),
                n.setValue("SS_USE_GLTF_TEXTURES", !1, !0)
            }
            ,
            t.GetCode = function(e, t, i, n) {
                var r, o, a, s, l, c, u, h, d, p, f, _, m, g, v, y, b = "", T = (null == t ? void 0 : t.thickness.isConnected) ? t.thickness.associatedVariableName : "0.", E = (null == t ? void 0 : t.tintColor.isConnected) ? t.tintColor.associatedVariableName : "vec3(1.)", S = (null == t ? void 0 : t.translucencyIntensity.isConnected) ? null == t ? void 0 : t.translucencyIntensity.associatedVariableName : "1.", A = (null == t ? void 0 : t.translucencyDiffusionDist.isConnected) ? null == t ? void 0 : t.translucencyDiffusionDist.associatedVariableName : "vec3(1.)", x = (null == t ? void 0 : t.refraction.isConnected) ? null === (r = null == t ? void 0 : t.refraction.connectedPoint) || void 0 === r ? void 0 : r.ownerBlock : null, R = (null == x ? void 0 : x.tintAtDistance.isConnected) ? x.tintAtDistance.associatedVariableName : "1.", C = (null == x ? void 0 : x.intensity.isConnected) ? x.intensity.associatedVariableName : "1.", P = (null == x ? void 0 : x.view.isConnected) ? x.view.associatedVariableName : "";
                return (b += null !== (o = null == x ? void 0 : x.getCode(e)) && void 0 !== o ? o : "") + "subSurfaceOutParams subSurfaceOut;\n\n        #ifdef SUBSURFACE\n            vec2 vThicknessParam = vec2(0., ".concat(T, ");\n            vec4 vTintColor = vec4(").concat(E, ", ").concat(R, ");\n            vec3 vSubSurfaceIntensity = vec3(").concat(C, ", ").concat(S, ", 0.);\n\n            subSurfaceBlock(\n                vSubSurfaceIntensity,\n                vThicknessParam,\n                vTintColor,\n                normalW,\n                specularEnvironmentReflectance,\n            #ifdef SS_THICKNESSANDMASK_TEXTURE\n                vec4(0.),\n            #endif\n            #ifdef REFLECTION\n                #ifdef SS_TRANSLUCENCY\n                    ").concat(null == i ? void 0 : i._reflectionMatrixName, ",\n                    #ifdef USESPHERICALFROMREFLECTIONMAP\n                        #if !defined(NORMAL) || !defined(USESPHERICALINVERTEX)\n                            reflectionOut.irradianceVector,\n                        #endif\n                        #if defined(REALTIME_FILTERING)\n                            ").concat(null == i ? void 0 : i._cubeSamplerName, ",\n                            ").concat(null == i ? void 0 : i._vReflectionFilteringInfoName, ",\n                        #endif\n                        #endif\n                    #ifdef USEIRRADIANCEMAP\n                        irradianceSampler,\n                    #endif\n                #endif\n            #endif\n            #if defined(SS_REFRACTION) || defined(SS_TRANSLUCENCY)\n                surfaceAlbedo,\n            #endif\n            #ifdef SS_REFRACTION\n                ").concat(n, ".xyz,\n                viewDirectionW,\n                ").concat(P, ",\n                ").concat(null !== (a = null == x ? void 0 : x._vRefractionInfosName) && void 0 !== a ? a : "", ",\n                ").concat(null !== (s = null == x ? void 0 : x._refractionMatrixName) && void 0 !== s ? s : "", ",\n                ").concat(null !== (l = null == x ? void 0 : x._vRefractionMicrosurfaceInfosName) && void 0 !== l ? l : "", ",\n                vLightingIntensity,\n                #ifdef SS_LINKREFRACTIONTOTRANSPARENCY\n                    alpha,\n                #endif\n                #ifdef ").concat(null !== (c = null == x ? void 0 : x._defineLODRefractionAlpha) && void 0 !== c ? c : "IGNORE", "\n                    NdotVUnclamped,\n                #endif\n                #ifdef ").concat(null !== (u = null == x ? void 0 : x._defineLinearSpecularRefraction) && void 0 !== u ? u : "IGNORE", "\n                    roughness,\n                #endif\n                alphaG,\n                #ifdef ").concat(null !== (h = null == x ? void 0 : x._define3DName) && void 0 !== h ? h : "IGNORE", "\n                    ").concat(null !== (d = null == x ? void 0 : x._cubeSamplerName) && void 0 !== d ? d : "", ",\n                #else\n                    ").concat(null !== (p = null == x ? void 0 : x._2DSamplerName) && void 0 !== p ? p : "", ",\n                #endif\n                #ifndef LODBASEDMICROSFURACE\n                    #ifdef ").concat(null !== (f = null == x ? void 0 : x._define3DName) && void 0 !== f ? f : "IGNORE", "\n                        ").concat(null !== (_ = null == x ? void 0 : x._cubeSamplerName) && void 0 !== _ ? _ : "", ",\n                        ").concat(null !== (m = null == x ? void 0 : x._cubeSamplerName) && void 0 !== m ? m : "", ",\n                    #else\n                        ").concat(null !== (g = null == x ? void 0 : x._2DSamplerName) && void 0 !== g ? g : "", ",\n                        ").concat(null !== (v = null == x ? void 0 : x._2DSamplerName) && void 0 !== v ? v : "", ",\n                    #endif\n                #endif\n                #ifdef ANISOTROPIC\n                    anisotropicOut,\n                #endif\n                #ifdef REALTIME_FILTERING\n                    ").concat(null !== (y = null == x ? void 0 : x._vRefractionFilteringInfoName) && void 0 !== y ? y : "", ",\n                #endif\n                #ifdef SS_USE_LOCAL_REFRACTIONMAP_CUBIC\n                    vRefractionPosition,\n                    vRefractionSize,\n                #endif\n            #endif\n            #ifdef SS_TRANSLUCENCY\n                ").concat(A, ",\n            #endif\n                subSurfaceOut\n            );\n\n            #ifdef SS_REFRACTION\n                surfaceAlbedo = subSurfaceOut.surfaceAlbedo;\n                #ifdef SS_LINKREFRACTIONTOTRANSPARENCY\n                    alpha = subSurfaceOut.alpha;\n                #endif\n            #endif\n        #else\n            subSurfaceOut.specularEnvironmentReflectance = specularEnvironmentReflectance;\n        #endif\r\n")
            }
            ,
            t.prototype._buildBlock = function(e) {
                return e.target === Dp.Fragment && e.sharedData.blocksWithDefines.push(this),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.SubSurfaceBlock", Fg);
        var wg = {
            ambientClr: ["finalAmbient", ""],
            diffuseDir: ["finalDiffuse", ""],
            specularDir: ["finalSpecularScaled", "!defined(UNLIT) && defined(SPECULARTERM)"],
            clearcoatDir: ["finalClearCoatScaled", "!defined(UNLIT) && defined(CLEARCOAT)"],
            sheenDir: ["finalSheenScaled", "!defined(UNLIT) && defined(SHEEN)"],
            diffuseInd: ["finalIrradiance", "!defined(UNLIT) && defined(REFLECTION)"],
            specularInd: ["finalRadianceScaled", "!defined(UNLIT) && defined(REFLECTION)"],
            clearcoatInd: ["clearcoatOut.finalClearCoatRadianceScaled", "!defined(UNLIT) && defined(REFLECTION) && defined(CLEARCOAT)"],
            sheenInd: ["sheenOut.finalSheenRadianceScaled", "!defined(UNLIT) && defined(REFLECTION) && defined(SHEEN) && defined(ENVIRONMENTBRDF)"],
            refraction: ["subSurfaceOut.finalRefraction", "!defined(UNLIT) && defined(SS_REFRACTION)"],
            lighting: ["finalColor.rgb", ""],
            shadow: ["shadow", ""],
            alpha: ["alpha", ""]
        }
          , Bg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.VertexAndFragment) || this;
                return i._environmentBRDFTexture = null,
                i._metallicReflectanceColor = D.White(),
                i._metallicF0Factor = 1,
                i.directIntensity = 1,
                i.environmentIntensity = 1,
                i.specularIntensity = 1,
                i.lightFalloff = 0,
                i.useAlphaTest = !1,
                i.alphaTestCutoff = .5,
                i.useAlphaBlending = !1,
                i.useRadianceOverAlpha = !0,
                i.useSpecularOverAlpha = !0,
                i.enableSpecularAntiAliasing = !1,
                i.realTimeFiltering = !1,
                i.realTimeFilteringQuality = a.TEXTURE_FILTERING_QUALITY_LOW,
                i.useEnergyConservation = !0,
                i.useRadianceOcclusion = !0,
                i.useHorizonOcclusion = !0,
                i.unlit = !1,
                i.forceNormalForward = !1,
                i.debugMode = 0,
                i.debugLimit = 0,
                i.debugFactor = 1,
                i._isUnique = !0,
                i.registerInput("worldPosition", Op.Vector4, !1, Dp.Vertex),
                i.registerInput("worldNormal", Op.Vector4, !1, Dp.Fragment),
                i.registerInput("view", Op.Matrix, !1),
                i.registerInput("cameraPosition", Op.Vector3, !1, Dp.Fragment),
                i.registerInput("perturbedNormal", Op.Vector4, !0, Dp.Fragment),
                i.registerInput("baseColor", Op.Color3, !0, Dp.Fragment),
                i.registerInput("metallic", Op.Float, !1, Dp.Fragment),
                i.registerInput("roughness", Op.Float, !1, Dp.Fragment),
                i.registerInput("ambientOcc", Op.Float, !0, Dp.Fragment),
                i.registerInput("opacity", Op.Float, !0, Dp.Fragment),
                i.registerInput("indexOfRefraction", Op.Float, !0, Dp.Fragment),
                i.registerInput("ambientColor", Op.Color3, !0, Dp.Fragment),
                i.registerInput("reflection", Op.Object, !0, Dp.Fragment, new Bm("reflection",i,Vp.Input,Dg,"ReflectionBlock")),
                i.registerInput("clearcoat", Op.Object, !0, Dp.Fragment, new Bm("clearcoat",i,Vp.Input,Ng,"ClearCoatBlock")),
                i.registerInput("sheen", Op.Object, !0, Dp.Fragment, new Bm("sheen",i,Vp.Input,Ig,"SheenBlock")),
                i.registerInput("subsurface", Op.Object, !0, Dp.Fragment, new Bm("subsurface",i,Vp.Input,Fg,"SubSurfaceBlock")),
                i.registerInput("anisotropy", Op.Object, !0, Dp.Fragment, new Bm("anisotropy",i,Vp.Input,Og,"AnisotropyBlock")),
                i.registerOutput("ambientClr", Op.Color3, Dp.Fragment),
                i.registerOutput("diffuseDir", Op.Color3, Dp.Fragment),
                i.registerOutput("specularDir", Op.Color3, Dp.Fragment),
                i.registerOutput("clearcoatDir", Op.Color3, Dp.Fragment),
                i.registerOutput("sheenDir", Op.Color3, Dp.Fragment),
                i.registerOutput("diffuseInd", Op.Color3, Dp.Fragment),
                i.registerOutput("specularInd", Op.Color3, Dp.Fragment),
                i.registerOutput("clearcoatInd", Op.Color3, Dp.Fragment),
                i.registerOutput("sheenInd", Op.Color3, Dp.Fragment),
                i.registerOutput("refraction", Op.Color3, Dp.Fragment),
                i.registerOutput("lighting", Op.Color3, Dp.Fragment),
                i.registerOutput("shadow", Op.Float, Dp.Fragment),
                i.registerOutput("alpha", Op.Float, Dp.Fragment),
                i
            }
            return U(t, e),
            t.prototype.initialize = function(e) {
                e._excludeVariableName("vLightingIntensity"),
                e._excludeVariableName("geometricNormalW"),
                e._excludeVariableName("normalW"),
                e._excludeVariableName("faceNormal"),
                e._excludeVariableName("albedoOpacityOut"),
                e._excludeVariableName("surfaceAlbedo"),
                e._excludeVariableName("alpha"),
                e._excludeVariableName("aoOut"),
                e._excludeVariableName("baseColor"),
                e._excludeVariableName("reflectivityOut"),
                e._excludeVariableName("microSurface"),
                e._excludeVariableName("roughness"),
                e._excludeVariableName("NdotVUnclamped"),
                e._excludeVariableName("NdotV"),
                e._excludeVariableName("alphaG"),
                e._excludeVariableName("AARoughnessFactors"),
                e._excludeVariableName("environmentBrdf"),
                e._excludeVariableName("ambientMonochrome"),
                e._excludeVariableName("seo"),
                e._excludeVariableName("eho"),
                e._excludeVariableName("environmentRadiance"),
                e._excludeVariableName("irradianceVector"),
                e._excludeVariableName("environmentIrradiance"),
                e._excludeVariableName("diffuseBase"),
                e._excludeVariableName("specularBase"),
                e._excludeVariableName("preInfo"),
                e._excludeVariableName("info"),
                e._excludeVariableName("shadow"),
                e._excludeVariableName("finalDiffuse"),
                e._excludeVariableName("finalAmbient"),
                e._excludeVariableName("ambientOcclusionForDirectDiffuse"),
                e._excludeVariableName("finalColor"),
                e._excludeVariableName("vClipSpacePosition"),
                e._excludeVariableName("vDebugMode")
            }
            ,
            t.prototype.getClassName = function() {
                return "PBRMetallicRoughnessBlock"
            }
            ,
            Object.defineProperty(t.prototype, "worldPosition", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "worldNormal", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "view", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cameraPosition", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "perturbedNormal", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "baseColor", {
                get: function() {
                    return this._inputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "metallic", {
                get: function() {
                    return this._inputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "roughness", {
                get: function() {
                    return this._inputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "ambientOcc", {
                get: function() {
                    return this._inputs[8]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "opacity", {
                get: function() {
                    return this._inputs[9]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "indexOfRefraction", {
                get: function() {
                    return this._inputs[10]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "ambientColor", {
                get: function() {
                    return this._inputs[11]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reflection", {
                get: function() {
                    return this._inputs[12]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "clearcoat", {
                get: function() {
                    return this._inputs[13]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sheen", {
                get: function() {
                    return this._inputs[14]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "subsurface", {
                get: function() {
                    return this._inputs[15]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "anisotropy", {
                get: function() {
                    return this._inputs[16]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "ambientClr", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "diffuseDir", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "specularDir", {
                get: function() {
                    return this._outputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "clearcoatDir", {
                get: function() {
                    return this._outputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sheenDir", {
                get: function() {
                    return this._outputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "diffuseInd", {
                get: function() {
                    return this._outputs[5]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "specularInd", {
                get: function() {
                    return this._outputs[6]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "clearcoatInd", {
                get: function() {
                    return this._outputs[7]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sheenInd", {
                get: function() {
                    return this._outputs[8]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "refraction", {
                get: function() {
                    return this._outputs[9]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lighting", {
                get: function() {
                    return this._outputs[10]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "shadow", {
                get: function() {
                    return this._outputs[11]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "alpha", {
                get: function() {
                    return this._outputs[12]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function(e) {
                if (!this.cameraPosition.isConnected) {
                    var t = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.CameraPosition
                    }
                    ));
                    t || (t = new tf("cameraPosition")).setAsSystemValue(Qp.CameraPosition),
                    t.output.connectTo(this.cameraPosition)
                }
                if (!this.view.isConnected) {
                    var i = e.getInputBlockByPredicate((function(e) {
                        return e.systemValue === Qp.View
                    }
                    ));
                    i || (i = new tf("view")).setAsSystemValue(Qp.View),
                    i.output.connectTo(this.view)
                }
            }
            ,
            t.prototype.prepareDefines = function(e, t, i) {
                i.setValue("PBR", !0),
                i.setValue("METALLICWORKFLOW", !0),
                i.setValue("DEBUGMODE", this.debugMode, !0),
                i.setValue("NORMALXYSCALE", !0),
                i.setValue("BUMP", this.perturbedNormal.isConnected, !0),
                i.setValue("LODBASEDMICROSFURACE", this._scene.getEngine().getCaps().textureLOD),
                i.setValue("ALBEDO", !1, !0),
                i.setValue("OPACITY", this.opacity.isConnected, !0),
                i.setValue("AMBIENT", !0, !0),
                i.setValue("AMBIENTINGRAYSCALE", !1, !0),
                i.setValue("REFLECTIVITY", !1, !0),
                i.setValue("AOSTOREINMETALMAPRED", !1, !0),
                i.setValue("METALLNESSSTOREINMETALMAPBLUE", !1, !0),
                i.setValue("ROUGHNESSSTOREINMETALMAPALPHA", !1, !0),
                i.setValue("ROUGHNESSSTOREINMETALMAPGREEN", !1, !0),
                this.lightFalloff === rp.LIGHTFALLOFF_STANDARD ? (i.setValue("USEPHYSICALLIGHTFALLOFF", !1),
                i.setValue("USEGLTFLIGHTFALLOFF", !1)) : this.lightFalloff === rp.LIGHTFALLOFF_GLTF ? (i.setValue("USEPHYSICALLIGHTFALLOFF", !1),
                i.setValue("USEGLTFLIGHTFALLOFF", !0)) : (i.setValue("USEPHYSICALLIGHTFALLOFF", !0),
                i.setValue("USEGLTFLIGHTFALLOFF", !1));
                var n = this.alphaTestCutoff.toString();
                i.setValue("ALPHABLEND", this.useAlphaBlending, !0),
                i.setValue("ALPHAFROMALBEDO", !1, !0),
                i.setValue("ALPHATEST", this.useAlphaTest, !0),
                i.setValue("ALPHATESTVALUE", n.indexOf(".") < 0 ? n + "." : n, !0),
                i.setValue("OPACITYRGB", !1, !0),
                i.setValue("RADIANCEOVERALPHA", this.useRadianceOverAlpha, !0),
                i.setValue("SPECULAROVERALPHA", this.useSpecularOverAlpha, !0),
                i.setValue("SPECULARAA", this._scene.getEngine().getCaps().standardDerivatives && this.enableSpecularAntiAliasing, !0),
                i.setValue("REALTIME_FILTERING", this.realTimeFiltering, !0);
                var r = e.getScene();
                if (r.getEngine()._features.needTypeSuffixInShaderConstants ? i.setValue("NUM_SAMPLES", this.realTimeFilteringQuality + "u", !0) : i.setValue("NUM_SAMPLES", "" + this.realTimeFilteringQuality, !0),
                i.setValue("BRDF_V_HEIGHT_CORRELATED", !0),
                i.setValue("MS_BRDF_ENERGY_CONSERVATION", this.useEnergyConservation, !0),
                i.setValue("RADIANCEOCCLUSION", this.useRadianceOcclusion, !0),
                i.setValue("HORIZONOCCLUSION", this.useHorizonOcclusion, !0),
                i.setValue("UNLIT", this.unlit, !0),
                i.setValue("FORCENORMALFORWARD", this.forceNormalForward, !0),
                this._environmentBRDFTexture && vs.ReflectionTextureEnabled ? (i.setValue("ENVIRONMENTBRDF", !0),
                i.setValue("ENVIRONMENTBRDF_RGBD", this._environmentBRDFTexture.isRGBD, !0)) : (i.setValue("ENVIRONMENTBRDF", !1),
                i.setValue("ENVIRONMENTBRDF_RGBD", !1)),
                i._areImageProcessingDirty && t.imageProcessingConfiguration && t.imageProcessingConfiguration.prepareDefines(i),
                i._areLightsDirty)
                    if (this.light) {
                        var o = {
                            needNormals: !1,
                            needRebuild: !1,
                            lightmapMode: !1,
                            shadowEnabled: !1,
                            specularEnabled: !1
                        };
                        Mr.PrepareDefinesForLight(r, e, this.light, this._lightId, i, !0, o),
                        o.needRebuild && i.rebuild()
                    } else
                        Mr.PrepareDefinesForLights(r, e, i, !0, t.maxSimultaneousLights),
                        i._needNormals = !0,
                        Mr.PrepareDefinesForMultiview(r, i)
            }
            ,
            t.prototype.updateUniformsAndSamples = function(e, t, i, n) {
                for (var r = 0; r < t.maxSimultaneousLights && i["LIGHT" + r]; r++) {
                    var o = e.uniforms.indexOf("vLightData" + r) >= 0;
                    Mr.PrepareUniformsAndSamplersForLight(r, e.uniforms, e.samplers, i["PROJECTEDLIGHTTEXTURE" + r], n, o)
                }
            }
            ,
            t.prototype.isReady = function(e, t, i) {
                return !(this._environmentBRDFTexture && !this._environmentBRDFTexture.isReady() || i._areImageProcessingDirty && t.imageProcessingConfiguration && !t.imageProcessingConfiguration.isReady())
            }
            ,
            t.prototype.bind = function(e, t, i) {
                var n, r;
                if (i) {
                    var o = i.getScene();
                    this.light ? Mr.BindLight(this.light, this._lightId, o, e, !0) : Mr.BindLights(o, i, e, !0, t.maxSimultaneousLights),
                    e.setTexture(this._environmentBrdfSamplerName, this._environmentBRDFTexture),
                    e.setFloat2("vDebugMode", this.debugLimit, this.debugFactor);
                    var a = this._scene.ambientColor;
                    a && e.setColor3("ambientFromScene", a);
                    var s = o.useRightHandedSystem === (null != o._mirroredCameraPosition);
                    e.setFloat(this._invertNormalName, s ? -1 : 1),
                    e.setFloat4("vLightingIntensity", this.directIntensity, 1, this.environmentIntensity * this._scene.environmentIntensity, this.specularIntensity);
                    var l = null !== (r = null === (n = this.indexOfRefraction.connectInputBlock) || void 0 === n ? void 0 : n.value) && void 0 !== r ? r : 1.5
                      , c = Math.pow((l - 1) / (l + 1), 2);
                    this._metallicReflectanceColor.scaleToRef(c * this._metallicF0Factor, L.Color3[0]);
                    var u = this._metallicF0Factor;
                    e.setColor4(this._vMetallicReflectanceFactorsName, L.Color3[0], u),
                    t.imageProcessingConfiguration && t.imageProcessingConfiguration.bind(e)
                }
            }
            ,
            t.prototype._injectVertexCode = function(e) {
                var t, i, n = this.worldPosition, r = "//".concat(this.name);
                this.light ? (this._lightId = (void 0 !== e.counters.lightCounter ? e.counters.lightCounter : -1) + 1,
                e.counters.lightCounter = this._lightId,
                e._emitFunctionFromInclude(e.supportUniformBuffers ? "lightVxUboDeclaration" : "lightVxFragmentDeclaration", r, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }]
                }, this._lightId.toString())) : (e._emitFunctionFromInclude(e.supportUniformBuffers ? "lightVxUboDeclaration" : "lightVxFragmentDeclaration", r, {
                    repeatKey: "maxSimultaneousLights"
                }),
                this._lightId = 0,
                e.sharedData.dynamicUniformBlocks.push(this));
                var o = "v_" + n.associatedVariableName;
                e._emitVaryingFromString(o, "vec4") && (e.compilationString += "".concat(o, " = ").concat(n.associatedVariableName, ";\r\n"));
                var a = this.reflection.isConnected ? null === (t = this.reflection.connectedPoint) || void 0 === t ? void 0 : t.ownerBlock : null;
                a && (a.viewConnectionPoint = this.view),
                e.compilationString += null !== (i = null == a ? void 0 : a.handleVertexSide(e)) && void 0 !== i ? i : "",
                e._emitUniformFromString("vDebugMode", "vec2", "defined(IGNORE) || DEBUGMODE > 0"),
                e._emitUniformFromString("ambientFromScene", "vec3"),
                e._emitVaryingFromString("vClipSpacePosition", "vec4", "defined(IGNORE) || DEBUGMODE > 0") && (e._injectAtEnd += "#if DEBUGMODE > 0\r\n",
                e._injectAtEnd += "vClipSpacePosition = gl_Position;\r\n",
                e._injectAtEnd += "#endif\r\n"),
                this.light ? e.compilationString += e._emitCodeFromInclude("shadowsVertex", r, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }, {
                        search: /worldPos/g,
                        replace: n.associatedVariableName
                    }]
                }) : (e.compilationString += "vec4 worldPos = ".concat(n.associatedVariableName, ";\r\n"),
                this.view.isConnected && (e.compilationString += "mat4 view = ".concat(this.view.associatedVariableName, ";\r\n")),
                e.compilationString += e._emitCodeFromInclude("shadowsVertex", r, {
                    repeatKey: "maxSimultaneousLights"
                }))
            }
            ,
            t.prototype._getAlbedoOpacityCode = function() {
                var e = "albedoOpacityOutParams albedoOpacityOut;\r\n"
                  , t = this.baseColor.isConnected ? this.baseColor.associatedVariableName : "vec3(1.)"
                  , i = this.opacity.isConnected ? this.opacity.associatedVariableName : "1.";
                return e + "albedoOpacityBlock(\n                vec4(".concat(t, ", 1.),\n            #ifdef ALBEDO\n                vec4(1.),\n                vec2(1., 1.),\n            #endif\n            #ifdef OPACITY\n                vec4(").concat(i, "),\n                vec2(1., 1.),\n            #endif\n                albedoOpacityOut\n            );\n\n            vec3 surfaceAlbedo = albedoOpacityOut.surfaceAlbedo;\n            float alpha = albedoOpacityOut.alpha;\r\n")
            }
            ,
            t.prototype._getAmbientOcclusionCode = function() {
                var e = "ambientOcclusionOutParams aoOut;\r\n"
                  , t = this.ambientOcc.isConnected ? this.ambientOcc.associatedVariableName : "1.";
                return e + "ambientOcclusionBlock(\n            #ifdef AMBIENT\n                vec3(".concat(t, "),\n                vec4(0., 1.0, 1.0, 0.),\n            #endif\n                aoOut\n            );\r\n")
            }
            ,
            t.prototype._getReflectivityCode = function(e) {
                var t = "reflectivityOutParams reflectivityOut;\r\n";
                return this._vMetallicReflectanceFactorsName = e._getFreeVariableName("vMetallicReflectanceFactors"),
                e._emitUniformFromString(this._vMetallicReflectanceFactorsName, "vec4"),
                t + "vec3 baseColor = surfaceAlbedo;\n\n            reflectivityBlock(\n                vec4(".concat(this.metallic.associatedVariableName, ", ").concat(this.roughness.associatedVariableName, ", 0., 0.),\n            #ifdef METALLICWORKFLOW\n                surfaceAlbedo,\n                ").concat(this._vMetallicReflectanceFactorsName, ",\n            #endif\n            #ifdef REFLECTIVITY\n                vec3(0., 0., ").concat("1.", "),\n                vec4(1.),\n            #endif\n            #if defined(METALLICWORKFLOW) && defined(REFLECTIVITY)  && defined(AOSTOREINMETALMAPRED)\n                aoOut.ambientOcclusionColor,\n            #endif\n            #ifdef MICROSURFACEMAP\n                microSurfaceTexel, <== not handled!\n            #endif\n                reflectivityOut\n            );\n\n            float microSurface = reflectivityOut.microSurface;\n            float roughness = reflectivityOut.roughness;\n\n            #ifdef METALLICWORKFLOW\n                surfaceAlbedo = reflectivityOut.surfaceAlbedo;\n            #endif\n            #if defined(METALLICWORKFLOW) && defined(REFLECTIVITY) && defined(AOSTOREINMETALMAPRED)\n                aoOut.ambientOcclusionColor = reflectivityOut.ambientOcclusionColor;\n            #endif\r\n")
            }
            ,
            t.prototype._buildBlock = function(t) {
                var i, n, r, o, a, s, l, c, u, h, d, p, f, _, m, g, v, y, b, T, E, S, A, x, R, C, P, M, I, O, D, N, L, F, w, B, U, V, k, G;
                e.prototype._buildBlock.call(this, t),
                this._scene = t.sharedData.scene,
                this._environmentBRDFTexture || (this._environmentBRDFTexture = Hd(this._scene));
                var z = this.reflection.isConnected ? null === (i = this.reflection.connectedPoint) || void 0 === i ? void 0 : i.ownerBlock : null;
                if (z && (z.worldPositionConnectionPoint = this.worldPosition,
                z.cameraPositionConnectionPoint = this.cameraPosition,
                z.worldNormalConnectionPoint = this.worldNormal),
                t.target !== Dp.Fragment)
                    return this._injectVertexCode(t),
                    this;
                t.sharedData.forcedBindableBlocks.push(this),
                t.sharedData.blocksWithDefines.push(this),
                t.sharedData.blockingBlocks.push(this);
                var W = "//".concat(this.name)
                  , H = "v_" + this.worldPosition.associatedVariableName
                  , X = this.perturbedNormal;
                this._environmentBrdfSamplerName = t._getFreeVariableName("environmentBrdfSampler"),
                t._emit2DSampler(this._environmentBrdfSamplerName),
                t.sharedData.hints.needAlphaBlending = t.sharedData.hints.needAlphaBlending || this.useAlphaBlending,
                t.sharedData.hints.needAlphaTesting = t.sharedData.hints.needAlphaTesting || this.useAlphaTest,
                t._emitExtension("lod", "#extension GL_EXT_shader_texture_lod : enable", "defined(LODBASEDMICROSFURACE)"),
                t._emitExtension("derivatives", "#extension GL_OES_standard_derivatives : enable"),
                t.uniforms.push("exposureLinear"),
                t.uniforms.push("contrast"),
                t.uniforms.push("vInverseScreenSize"),
                t.uniforms.push("vignetteSettings1"),
                t.uniforms.push("vignetteSettings2"),
                t.uniforms.push("vCameraColorCurveNegative"),
                t.uniforms.push("vCameraColorCurveNeutral"),
                t.uniforms.push("vCameraColorCurvePositive"),
                t.uniforms.push("txColorTransform"),
                t.uniforms.push("colorTransformSettings"),
                this.light ? t._emitFunctionFromInclude(t.supportUniformBuffers ? "lightUboDeclaration" : "lightFragmentDeclaration", W, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }]
                }, this._lightId.toString()) : t._emitFunctionFromInclude(t.supportUniformBuffers ? "lightUboDeclaration" : "lightFragmentDeclaration", W, {
                    repeatKey: "maxSimultaneousLights"
                }),
                t._emitFunctionFromInclude("helperFunctions", W),
                t._emitFunctionFromInclude("importanceSampling", W),
                t._emitFunctionFromInclude("pbrHelperFunctions", W),
                t._emitFunctionFromInclude("imageProcessingDeclaration", W),
                t._emitFunctionFromInclude("imageProcessingFunctions", W),
                t._emitFunctionFromInclude("shadowsFragmentFunctions", W, {
                    replaceStrings: [{
                        search: /vPositionW/g,
                        replace: H + ".xyz"
                    }]
                }),
                t._emitFunctionFromInclude("pbrDirectLightingSetupFunctions", W, {
                    replaceStrings: [{
                        search: /vPositionW/g,
                        replace: H + ".xyz"
                    }]
                }),
                t._emitFunctionFromInclude("pbrDirectLightingFalloffFunctions", W),
                t._emitFunctionFromInclude("pbrBRDFFunctions", W, {
                    replaceStrings: [{
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (n = null == z ? void 0 : z._defineSkyboxName) && void 0 !== n ? n : "REFLECTIONMAP_SKYBOX"
                    }]
                }),
                t._emitFunctionFromInclude("hdrFilteringFunctions", W),
                t._emitFunctionFromInclude("pbrDirectLightingFunctions", W, {
                    replaceStrings: [{
                        search: /vPositionW/g,
                        replace: H + ".xyz"
                    }]
                }),
                t._emitFunctionFromInclude("pbrIBLFunctions", W),
                t._emitFunctionFromInclude("pbrBlockAlbedoOpacity", W),
                t._emitFunctionFromInclude("pbrBlockReflectivity", W),
                t._emitFunctionFromInclude("pbrBlockAmbientOcclusion", W),
                t._emitFunctionFromInclude("pbrBlockAlphaFresnel", W),
                t._emitFunctionFromInclude("pbrBlockAnisotropic", W),
                t._emitUniformFromString("vLightingIntensity", "vec4"),
                this._vNormalWName = t._getFreeVariableName("vNormalW"),
                t.compilationString += "vec4 ".concat(this._vNormalWName, " = normalize(").concat(this.worldNormal.associatedVariableName, ");\r\n"),
                t._registerTempVariable("viewDirectionW") && (t.compilationString += "vec3 viewDirectionW = normalize(".concat(this.cameraPosition.associatedVariableName, " - ").concat(H, ".xyz);\r\n")),
                t.compilationString += "vec3 geometricNormalW = ".concat(this._vNormalWName, ".xyz;\r\n"),
                t.compilationString += "vec3 normalW = ".concat(X.isConnected ? "normalize(" + X.associatedVariableName + ".xyz)" : "geometricNormalW", ";\r\n"),
                this._invertNormalName = t._getFreeVariableName("invertNormal"),
                t._emitUniformFromString(this._invertNormalName, "float"),
                t.compilationString += t._emitCodeFromInclude("pbrBlockNormalFinal", W, {
                    replaceStrings: [{
                        search: /vPositionW/g,
                        replace: H + ".xyz"
                    }, {
                        search: /vEyePosition.w/g,
                        replace: this._invertNormalName
                    }]
                }),
                t.compilationString += this._getAlbedoOpacityCode(),
                t.compilationString += t._emitCodeFromInclude("depthPrePass", W),
                t.compilationString += this._getAmbientOcclusionCode(),
                t.compilationString += t._emitCodeFromInclude("pbrBlockLightmapInit", W),
                t.compilationString += "#ifdef UNLIT\n                vec3 diffuseBase = vec3(1., 1., 1.);\n            #else\r\n",
                t.compilationString += this._getReflectivityCode(t),
                t.compilationString += t._emitCodeFromInclude("pbrBlockGeometryInfo", W, {
                    replaceStrings: [{
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (r = null == z ? void 0 : z._defineSkyboxName) && void 0 !== r ? r : "REFLECTIONMAP_SKYBOX"
                    }, {
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (o = null == z ? void 0 : z._define3DName) && void 0 !== o ? o : "REFLECTIONMAP_3D"
                    }]
                });
                var j = this.anisotropy.isConnected ? null === (a = this.anisotropy.connectedPoint) || void 0 === a ? void 0 : a.ownerBlock : null;
                j && (j.worldPositionConnectionPoint = this.worldPosition,
                j.worldNormalConnectionPoint = this.worldNormal,
                t.compilationString += j.getCode(t, !this.perturbedNormal.isConnected)),
                z && z.hasTexture && (t.compilationString += z.getCode(t, j ? "anisotropicOut.anisotropicNormal" : "normalW")),
                t._emitFunctionFromInclude("pbrBlockReflection", W, {
                    replaceStrings: [{
                        search: /computeReflectionCoords/g,
                        replace: "computeReflectionCoordsPBR"
                    }, {
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (s = null == z ? void 0 : z._define3DName) && void 0 !== s ? s : "REFLECTIONMAP_3D"
                    }, {
                        search: /REFLECTIONMAP_OPPOSITEZ/g,
                        replace: null !== (l = null == z ? void 0 : z._defineOppositeZ) && void 0 !== l ? l : "REFLECTIONMAP_OPPOSITEZ"
                    }, {
                        search: /REFLECTIONMAP_PROJECTION/g,
                        replace: null !== (c = null == z ? void 0 : z._defineProjectionName) && void 0 !== c ? c : "REFLECTIONMAP_PROJECTION"
                    }, {
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (u = null == z ? void 0 : z._defineSkyboxName) && void 0 !== u ? u : "REFLECTIONMAP_SKYBOX"
                    }, {
                        search: /LODINREFLECTIONALPHA/g,
                        replace: null !== (h = null == z ? void 0 : z._defineLODReflectionAlpha) && void 0 !== h ? h : "LODINREFLECTIONALPHA"
                    }, {
                        search: /LINEARSPECULARREFLECTION/g,
                        replace: null !== (d = null == z ? void 0 : z._defineLinearSpecularReflection) && void 0 !== d ? d : "LINEARSPECULARREFLECTION"
                    }, {
                        search: /vReflectionFilteringInfo/g,
                        replace: null !== (p = null == z ? void 0 : z._vReflectionFilteringInfoName) && void 0 !== p ? p : "vReflectionFilteringInfo"
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockReflectance0", W, {
                    replaceStrings: [{
                        search: /metallicReflectanceFactors/g,
                        replace: this._vMetallicReflectanceFactorsName
                    }]
                });
                var Y = this.sheen.isConnected ? null === (f = this.sheen.connectedPoint) || void 0 === f ? void 0 : f.ownerBlock : null;
                Y && (t.compilationString += Y.getCode(z)),
                t._emitFunctionFromInclude("pbrBlockSheen", W, {
                    replaceStrings: [{
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (_ = null == z ? void 0 : z._define3DName) && void 0 !== _ ? _ : "REFLECTIONMAP_3D"
                    }, {
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (m = null == z ? void 0 : z._defineSkyboxName) && void 0 !== m ? m : "REFLECTIONMAP_SKYBOX"
                    }, {
                        search: /LODINREFLECTIONALPHA/g,
                        replace: null !== (g = null == z ? void 0 : z._defineLODReflectionAlpha) && void 0 !== g ? g : "LODINREFLECTIONALPHA"
                    }, {
                        search: /LINEARSPECULARREFLECTION/g,
                        replace: null !== (v = null == z ? void 0 : z._defineLinearSpecularReflection) && void 0 !== v ? v : "LINEARSPECULARREFLECTION"
                    }]
                });
                var K = this.clearcoat.isConnected ? null === (y = this.clearcoat.connectedPoint) || void 0 === y ? void 0 : y.ownerBlock : null
                  , Q = !this.perturbedNormal.isConnected && !this.anisotropy.isConnected
                  , q = this.perturbedNormal.isConnected && (null === (T = (null === (b = this.perturbedNormal.connectedPoint) || void 0 === b ? void 0 : b.ownerBlock).worldTangent) || void 0 === T ? void 0 : T.isConnected)
                  , Z = this.anisotropy.isConnected && (null === (E = this.anisotropy.connectedPoint) || void 0 === E ? void 0 : E.ownerBlock).worldTangent.isConnected
                  , J = q || !this.perturbedNormal.isConnected && Z;
                t.compilationString += Ng.GetCode(t, K, z, H, Q, J, this.worldNormal.associatedVariableName),
                Q && (J = null !== (S = null == K ? void 0 : K.worldTangent.isConnected) && void 0 !== S && S),
                t._emitFunctionFromInclude("pbrBlockClearcoat", W, {
                    replaceStrings: [{
                        search: /computeReflectionCoords/g,
                        replace: "computeReflectionCoordsPBR"
                    }, {
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (A = null == z ? void 0 : z._define3DName) && void 0 !== A ? A : "REFLECTIONMAP_3D"
                    }, {
                        search: /REFLECTIONMAP_OPPOSITEZ/g,
                        replace: null !== (x = null == z ? void 0 : z._defineOppositeZ) && void 0 !== x ? x : "REFLECTIONMAP_OPPOSITEZ"
                    }, {
                        search: /REFLECTIONMAP_PROJECTION/g,
                        replace: null !== (R = null == z ? void 0 : z._defineProjectionName) && void 0 !== R ? R : "REFLECTIONMAP_PROJECTION"
                    }, {
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (C = null == z ? void 0 : z._defineSkyboxName) && void 0 !== C ? C : "REFLECTIONMAP_SKYBOX"
                    }, {
                        search: /LODINREFLECTIONALPHA/g,
                        replace: null !== (P = null == z ? void 0 : z._defineLODReflectionAlpha) && void 0 !== P ? P : "LODINREFLECTIONALPHA"
                    }, {
                        search: /LINEARSPECULARREFLECTION/g,
                        replace: null !== (M = null == z ? void 0 : z._defineLinearSpecularReflection) && void 0 !== M ? M : "LINEARSPECULARREFLECTION"
                    }, {
                        search: /defined\(TANGENT\)/g,
                        replace: J ? "defined(TANGENT)" : "defined(IGNORE)"
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockReflectance", W, {
                    replaceStrings: [{
                        search: /REFLECTIONMAP_SKYBOX/g,
                        replace: null !== (I = null == z ? void 0 : z._defineSkyboxName) && void 0 !== I ? I : "REFLECTIONMAP_SKYBOX"
                    }, {
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (O = null == z ? void 0 : z._define3DName) && void 0 !== O ? O : "REFLECTIONMAP_3D"
                    }]
                });
                var $ = this.subsurface.isConnected ? null === (D = this.subsurface.connectedPoint) || void 0 === D ? void 0 : D.ownerBlock : null
                  , ee = this.subsurface.isConnected ? null === (L = (null === (N = this.subsurface.connectedPoint) || void 0 === N ? void 0 : N.ownerBlock).refraction.connectedPoint) || void 0 === L ? void 0 : L.ownerBlock : null;
                ee && (ee.viewConnectionPoint = this.view,
                ee.indexOfRefractionConnectionPoint = this.indexOfRefraction),
                t.compilationString += Fg.GetCode(t, $, z, H),
                t._emitFunctionFromInclude("pbrBlockSubSurface", W, {
                    replaceStrings: [{
                        search: /REFLECTIONMAP_3D/g,
                        replace: null !== (F = null == z ? void 0 : z._define3DName) && void 0 !== F ? F : "REFLECTIONMAP_3D"
                    }, {
                        search: /REFLECTIONMAP_OPPOSITEZ/g,
                        replace: null !== (w = null == z ? void 0 : z._defineOppositeZ) && void 0 !== w ? w : "REFLECTIONMAP_OPPOSITEZ"
                    }, {
                        search: /REFLECTIONMAP_PROJECTION/g,
                        replace: null !== (B = null == z ? void 0 : z._defineProjectionName) && void 0 !== B ? B : "REFLECTIONMAP_PROJECTION"
                    }, {
                        search: /SS_REFRACTIONMAP_3D/g,
                        replace: null !== (U = null == ee ? void 0 : ee._define3DName) && void 0 !== U ? U : "SS_REFRACTIONMAP_3D"
                    }, {
                        search: /SS_LODINREFRACTIONALPHA/g,
                        replace: null !== (V = null == ee ? void 0 : ee._defineLODRefractionAlpha) && void 0 !== V ? V : "SS_LODINREFRACTIONALPHA"
                    }, {
                        search: /SS_LINEARSPECULARREFRACTION/g,
                        replace: null !== (k = null == ee ? void 0 : ee._defineLinearSpecularRefraction) && void 0 !== k ? k : "SS_LINEARSPECULARREFRACTION"
                    }, {
                        search: /SS_REFRACTIONMAP_OPPOSITEZ/g,
                        replace: null !== (G = null == ee ? void 0 : ee._defineOppositeZ) && void 0 !== G ? G : "SS_REFRACTIONMAP_OPPOSITEZ"
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockDirectLighting", W),
                this.light ? t.compilationString += t._emitCodeFromInclude("lightFragment", W, {
                    replaceStrings: [{
                        search: /{X}/g,
                        replace: this._lightId.toString()
                    }]
                }) : t.compilationString += t._emitCodeFromInclude("lightFragment", W, {
                    repeatKey: "maxSimultaneousLights"
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockFinalLitComponents", W),
                t.compilationString += "#endif\r\n";
                var te = this.ambientColor.isConnected ? this.ambientColor.associatedVariableName : "vec3(0., 0., 0.)"
                  , ie = rp.DEFAULT_AO_ON_ANALYTICAL_LIGHTS.toString();
                -1 === ie.indexOf(".") && (ie += "."),
                t.compilationString += t._emitCodeFromInclude("pbrBlockFinalUnlitComponents", W, {
                    replaceStrings: [{
                        search: /vec3 finalEmissive[\s\S]*?finalEmissive\*=vLightingIntensity\.y;/g,
                        replace: ""
                    }, {
                        search: /vAmbientColor/g,
                        replace: te + " * ambientFromScene"
                    }, {
                        search: /vAmbientInfos\.w/g,
                        replace: ie
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockFinalColorComposition", W, {
                    replaceStrings: [{
                        search: /finalEmissive/g,
                        replace: "vec3(0.)"
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrBlockImageProcessing", W, {
                    replaceStrings: [{
                        search: /visibility/g,
                        replace: "1."
                    }]
                }),
                t.compilationString += t._emitCodeFromInclude("pbrDebug", W, {
                    replaceStrings: [{
                        search: /vNormalW/g,
                        replace: this._vNormalWName
                    }, {
                        search: /vPositionW/g,
                        replace: H
                    }, {
                        search: /albedoTexture\.rgb;/g,
                        replace: "vec3(1.);\r\ngl_FragColor.rgb = toGammaSpace(gl_FragColor.rgb);\r\n"
                    }]
                });
                for (var ne = 0, re = this._outputs; ne < re.length; ne++) {
                    var oe = re[ne];
                    if (oe.hasEndpoints) {
                        var ae = wg[oe.name];
                        if (ae) {
                            var se = ae[0]
                              , le = ae[1];
                            le && (t.compilationString += "#if ".concat(le, "\r\n")),
                            t.compilationString += "".concat(this._declareOutput(oe, t), " = ").concat(se, ";\r\n"),
                            le && (t.compilationString += "#else\r\n",
                            t.compilationString += "".concat(this._declareOutput(oe, t), " = vec3(0.);\r\n"),
                            t.compilationString += "#endif\r\n")
                        } else
                            console.error("There's no remapping for the ".concat(oe.name, " end point! No code generated"))
                    }
                }
                return this
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                var t = e.prototype._dumpPropertiesCode.call(this);
                return t += "".concat(this._codeVariableName, ".lightFalloff = ").concat(this.lightFalloff, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useAlphaTest = ").concat(this.useAlphaTest, ";\r\n"),
                t += "".concat(this._codeVariableName, ".alphaTestCutoff = ").concat(this.alphaTestCutoff, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useAlphaBlending = ").concat(this.useAlphaBlending, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useRadianceOverAlpha = ").concat(this.useRadianceOverAlpha, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useSpecularOverAlpha = ").concat(this.useSpecularOverAlpha, ";\r\n"),
                t += "".concat(this._codeVariableName, ".enableSpecularAntiAliasing = ").concat(this.enableSpecularAntiAliasing, ";\r\n"),
                t += "".concat(this._codeVariableName, ".realTimeFiltering = ").concat(this.realTimeFiltering, ";\r\n"),
                t += "".concat(this._codeVariableName, ".realTimeFilteringQuality = ").concat(this.realTimeFilteringQuality, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useEnergyConservation = ").concat(this.useEnergyConservation, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useRadianceOcclusion = ").concat(this.useRadianceOcclusion, ";\r\n"),
                t += "".concat(this._codeVariableName, ".useHorizonOcclusion = ").concat(this.useHorizonOcclusion, ";\r\n"),
                t += "".concat(this._codeVariableName, ".unlit = ").concat(this.unlit, ";\r\n"),
                t += "".concat(this._codeVariableName, ".forceNormalForward = ").concat(this.forceNormalForward, ";\r\n"),
                t += "".concat(this._codeVariableName, ".debugMode = ").concat(this.debugMode, ";\r\n"),
                (t += "".concat(this._codeVariableName, ".debugLimit = ").concat(this.debugLimit, ";\r\n")) + "".concat(this._codeVariableName, ".debugFactor = ").concat(this.debugFactor, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return this.light && (t.lightId = this.light.id),
                t.lightFalloff = this.lightFalloff,
                t.useAlphaTest = this.useAlphaTest,
                t.alphaTestCutoff = this.alphaTestCutoff,
                t.useAlphaBlending = this.useAlphaBlending,
                t.useRadianceOverAlpha = this.useRadianceOverAlpha,
                t.useSpecularOverAlpha = this.useSpecularOverAlpha,
                t.enableSpecularAntiAliasing = this.enableSpecularAntiAliasing,
                t.realTimeFiltering = this.realTimeFiltering,
                t.realTimeFilteringQuality = this.realTimeFilteringQuality,
                t.useEnergyConservation = this.useEnergyConservation,
                t.useRadianceOcclusion = this.useRadianceOcclusion,
                t.useHorizonOcclusion = this.useHorizonOcclusion,
                t.unlit = this.unlit,
                t.forceNormalForward = this.forceNormalForward,
                t.debugMode = this.debugMode,
                t.debugLimit = this.debugLimit,
                t.debugFactor = this.debugFactor,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                var r, o;
                e.prototype._deserialize.call(this, t, i, n),
                t.lightId && (this.light = i.getLightById(t.lightId)),
                this.lightFalloff = null !== (r = t.lightFalloff) && void 0 !== r ? r : 0,
                this.useAlphaTest = t.useAlphaTest,
                this.alphaTestCutoff = t.alphaTestCutoff,
                this.useAlphaBlending = t.useAlphaBlending,
                this.useRadianceOverAlpha = t.useRadianceOverAlpha,
                this.useSpecularOverAlpha = t.useSpecularOverAlpha,
                this.enableSpecularAntiAliasing = t.enableSpecularAntiAliasing,
                this.realTimeFiltering = !!t.realTimeFiltering,
                this.realTimeFilteringQuality = null !== (o = t.realTimeFilteringQuality) && void 0 !== o ? o : a.TEXTURE_FILTERING_QUALITY_LOW,
                this.useEnergyConservation = t.useEnergyConservation,
                this.useRadianceOcclusion = t.useRadianceOcclusion,
                this.useHorizonOcclusion = t.useHorizonOcclusion,
                this.unlit = t.unlit,
                this.forceNormalForward = !!t.forceNormalForward,
                this.debugMode = t.debugMode,
                this.debugLimit = t.debugLimit,
                this.debugFactor = t.debugFactor
            }
            ,
            k([Yp("Direct lights", Xp.Float, "INTENSITY", {
                min: 0,
                max: 1,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "directIntensity", void 0),
            k([Yp("Environment lights", Xp.Float, "INTENSITY", {
                min: 0,
                max: 1,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "environmentIntensity", void 0),
            k([Yp("Specular highlights", Xp.Float, "INTENSITY", {
                min: 0,
                max: 1,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "specularIntensity", void 0),
            k([Yp("Light falloff", Xp.List, "LIGHTING & COLORS", {
                notifiers: {
                    update: !0
                },
                options: [{
                    label: "Physical",
                    value: rp.LIGHTFALLOFF_PHYSICAL
                }, {
                    label: "GLTF",
                    value: rp.LIGHTFALLOFF_GLTF
                }, {
                    label: "Standard",
                    value: rp.LIGHTFALLOFF_STANDARD
                }]
            })], t.prototype, "lightFalloff", void 0),
            k([Yp("Alpha Testing", Xp.Boolean, "OPACITY")], t.prototype, "useAlphaTest", void 0),
            k([Yp("Alpha CutOff", Xp.Float, "OPACITY", {
                min: 0,
                max: 1,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "alphaTestCutoff", void 0),
            k([Yp("Alpha blending", Xp.Boolean, "OPACITY")], t.prototype, "useAlphaBlending", void 0),
            k([Yp("Radiance over alpha", Xp.Boolean, "RENDERING", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useRadianceOverAlpha", void 0),
            k([Yp("Specular over alpha", Xp.Boolean, "RENDERING", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useSpecularOverAlpha", void 0),
            k([Yp("Specular anti-aliasing", Xp.Boolean, "RENDERING", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "enableSpecularAntiAliasing", void 0),
            k([Yp("Realtime filtering", Xp.Boolean, "RENDERING", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "realTimeFiltering", void 0),
            k([Yp("Realtime filtering quality", Xp.List, "RENDERING", {
                notifiers: {
                    update: !0
                },
                options: [{
                    label: "Low",
                    value: a.TEXTURE_FILTERING_QUALITY_LOW
                }, {
                    label: "Medium",
                    value: a.TEXTURE_FILTERING_QUALITY_MEDIUM
                }, {
                    label: "High",
                    value: a.TEXTURE_FILTERING_QUALITY_HIGH
                }]
            })], t.prototype, "realTimeFilteringQuality", void 0),
            k([Yp("Energy Conservation", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useEnergyConservation", void 0),
            k([Yp("Radiance occlusion", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useRadianceOcclusion", void 0),
            k([Yp("Horizon occlusion", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "useHorizonOcclusion", void 0),
            k([Yp("Unlit", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "unlit", void 0),
            k([Yp("Force normal forward", Xp.Boolean, "ADVANCED", {
                notifiers: {
                    update: !0
                }
            })], t.prototype, "forceNormalForward", void 0),
            k([Yp("Debug mode", Xp.List, "DEBUG", {
                notifiers: {
                    update: !0
                },
                options: [{
                    label: "None",
                    value: 0
                }, {
                    label: "Normalized position",
                    value: 1
                }, {
                    label: "Normals",
                    value: 2
                }, {
                    label: "Tangents",
                    value: 3
                }, {
                    label: "Bitangents",
                    value: 4
                }, {
                    label: "Bump Normals",
                    value: 5
                }, {
                    label: "ClearCoat Normals",
                    value: 8
                }, {
                    label: "ClearCoat Tangents",
                    value: 9
                }, {
                    label: "ClearCoat Bitangents",
                    value: 10
                }, {
                    label: "Anisotropic Normals",
                    value: 11
                }, {
                    label: "Anisotropic Tangents",
                    value: 12
                }, {
                    label: "Anisotropic Bitangents",
                    value: 13
                }, {
                    label: "Env Refraction",
                    value: 40
                }, {
                    label: "Env Reflection",
                    value: 41
                }, {
                    label: "Env Clear Coat",
                    value: 42
                }, {
                    label: "Direct Diffuse",
                    value: 50
                }, {
                    label: "Direct Specular",
                    value: 51
                }, {
                    label: "Direct Clear Coat",
                    value: 52
                }, {
                    label: "Direct Sheen",
                    value: 53
                }, {
                    label: "Env Irradiance",
                    value: 54
                }, {
                    label: "Surface Albedo",
                    value: 60
                }, {
                    label: "Reflectance 0",
                    value: 61
                }, {
                    label: "Metallic",
                    value: 62
                }, {
                    label: "Metallic F0",
                    value: 71
                }, {
                    label: "Roughness",
                    value: 63
                }, {
                    label: "AlphaG",
                    value: 64
                }, {
                    label: "NdotV",
                    value: 65
                }, {
                    label: "ClearCoat Color",
                    value: 66
                }, {
                    label: "ClearCoat Roughness",
                    value: 67
                }, {
                    label: "ClearCoat NdotV",
                    value: 68
                }, {
                    label: "Transmittance",
                    value: 69
                }, {
                    label: "Refraction Transmittance",
                    value: 70
                }, {
                    label: "SEO",
                    value: 80
                }, {
                    label: "EHO",
                    value: 81
                }, {
                    label: "Energy Factor",
                    value: 82
                }, {
                    label: "Specular Reflectance",
                    value: 83
                }, {
                    label: "Clear Coat Reflectance",
                    value: 84
                }, {
                    label: "Sheen Reflectance",
                    value: 85
                }, {
                    label: "Luminance Over Alpha",
                    value: 86
                }, {
                    label: "Alpha",
                    value: 87
                }]
            })], t.prototype, "debugMode", void 0),
            k([Yp("Split position", Xp.Float, "DEBUG", {
                min: -1,
                max: 1,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "debugLimit", void 0),
            k([Yp("Output factor", Xp.Float, "DEBUG", {
                min: 0,
                max: 5,
                notifiers: {
                    update: !0
                }
            })], t.prototype, "debugFactor", void 0),
            t
        }(Wp);
        y("BABYLON.PBRMetallicRoughnessBlock", Bg);
        var Ug = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("left", Op.AutoDetect),
                i.registerInput("right", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ModBlock"
            }
            ,
            Object.defineProperty(t.prototype, "left", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "right", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = mod(".concat(this.left.associatedVariableName, ", ").concat(this.right.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ModBlock", Ug);
        var Vg, kg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("row0", Op.Vector4),
                i.registerInput("row1", Op.Vector4),
                i.registerInput("row2", Op.Vector4),
                i.registerInput("row3", Op.Vector4),
                i.registerOutput("output", Op.Matrix),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "MatrixBuilder"
            }
            ,
            Object.defineProperty(t.prototype, "row0", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "row1", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "row2", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "row3", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.autoConfigure = function() {
                if (!this.row0.isConnected) {
                    var e = new tf("row0");
                    e.value = new R(1,0,0,0),
                    e.output.connectTo(this.row0)
                }
                if (!this.row1.isConnected) {
                    var t = new tf("row1");
                    t.value = new R(0,1,0,0),
                    t.output.connectTo(this.row1)
                }
                if (!this.row2.isConnected) {
                    var i = new tf("row2");
                    i.value = new R(0,0,1,0),
                    i.output.connectTo(this.row2)
                }
                if (!this.row3.isConnected) {
                    var n = new tf("row3");
                    n.value = new R(0,0,0,1),
                    n.output.connectTo(this.row3)
                }
            }
            ,
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this.row0
                  , r = this.row1
                  , o = this.row2
                  , a = this.row3;
                return t.compilationString += this._declareOutput(i, t) + " = mat4(".concat(n.associatedVariableName, ", ").concat(r.associatedVariableName, ", ").concat(o.associatedVariableName, ", ").concat(a.associatedVariableName, ");\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.MatrixBuilder", kg),
        function(e) {
            e[e.Equal = 0] = "Equal",
            e[e.NotEqual = 1] = "NotEqual",
            e[e.LessThan = 2] = "LessThan",
            e[e.GreaterThan = 3] = "GreaterThan",
            e[e.LessOrEqual = 4] = "LessOrEqual",
            e[e.GreaterOrEqual = 5] = "GreaterOrEqual",
            e[e.Xor = 6] = "Xor",
            e[e.Or = 7] = "Or",
            e[e.And = 8] = "And"
        }(Vg || (Vg = {}));
        var Gg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.condition = Vg.LessThan,
                i.registerInput("a", Op.Float),
                i.registerInput("b", Op.Float),
                i.registerInput("true", Op.AutoDetect, !0),
                i.registerInput("false", Op.AutoDetect, !0),
                i.registerOutput("output", Op.BasedOnInput),
                i._linkConnectionTypes(2, 3),
                i._outputs[0]._typeConnectionSource = i._inputs[2],
                i._outputs[0]._defaultConnectionPointType = Op.Float,
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ConditionalBlock"
            }
            ,
            Object.defineProperty(t.prototype, "a", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "b", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "true", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "false", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this.true.isConnected ? this.true.associatedVariableName : "1.0"
                  , r = this.false.isConnected ? this.false.associatedVariableName : "0.0";
                switch (this.condition) {
                case Vg.Equal:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " == ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.NotEqual:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " != ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.LessThan:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " < ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.LessOrEqual:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " <= ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.GreaterThan:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " > ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.GreaterOrEqual:
                    t.compilationString += this._declareOutput(i, t) + " = ".concat(this.a.associatedVariableName, " >= ").concat(this.b.associatedVariableName, " ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.Xor:
                    t.compilationString += this._declareOutput(i, t) + " = (mod(".concat(this.a.associatedVariableName, " + ").concat(this.b.associatedVariableName, ", 2.0) > 0.0) ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.Or:
                    t.compilationString += this._declareOutput(i, t) + " = (min(".concat(this.a.associatedVariableName, " + ").concat(this.b.associatedVariableName, ", 1.0) > 0.0) ? ").concat(n, " : ").concat(r, ";\r\n");
                    break;
                case Vg.And:
                    t.compilationString += this._declareOutput(i, t) + " = (".concat(this.a.associatedVariableName, " * ").concat(this.b.associatedVariableName, " > 0.0)  ? ").concat(n, " : ").concat(r, ";\r\n")
                }
                return this
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.condition = this.condition,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.condition = t.condition
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".condition = BABYLON.ConditionalBlockConditions.").concat(Vg[this.condition], ";\r\n")
            }
            ,
            t
        }(Wp);
        y("BABYLON.ConditionalBlock", Gg);
        var zg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.octaves = 6,
                i.registerInput("seed", Op.AutoDetect),
                i.registerInput("chaos", Op.AutoDetect, !0),
                i.registerInput("offsetX", Op.Float, !0),
                i.registerInput("offsetY", Op.Float, !0),
                i.registerInput("offsetZ", Op.Float, !0),
                i.registerOutput("output", Op.Float),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector2),
                i._inputs[0].acceptedConnectionPointTypes.push(Op.Vector3),
                i._linkConnectionTypes(0, 1),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "CloudBlock"
            }
            ,
            Object.defineProperty(t.prototype, "seed", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "chaos", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "offsetX", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "offsetY", {
                get: function() {
                    return this._inputs[3]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "offsetZ", {
                get: function() {
                    return this._inputs[4]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                var i, n;
                if (e.prototype._buildBlock.call(this, t),
                this.seed.isConnected && this._outputs[0].hasEndpoints) {
                    var r = "fbm".concat(this.octaves);
                    t._emitFunction("CloudBlockCode", "\n\n        float cloudRandom(in float p) { p = fract(p * 0.011); p *= p + 7.5; p *= p + p; return fract(p); }\n\n        // Based on Morgan McGuire @morgan3d\n        // https://www.shadertoy.com/view/4dS3Wd\n        float cloudNoise(in vec2 x, in vec2 chaos) {\n            vec2 step = chaos * vec2(75., 120.) + vec2(75., 120.);\n\n            vec2 i = floor(x);\n            vec2 f = fract(x);\n\n            float n = dot(i, step);\n\n            vec2 u = f * f * (3.0 - 2.0 * f);\n            return mix(\n                    mix(cloudRandom(n + dot(step, vec2(0, 0))), cloudRandom(n + dot(step, vec2(1, 0))), u.x),\n                    mix(cloudRandom(n + dot(step, vec2(0, 1))), cloudRandom(n + dot(step, vec2(1, 1))), u.x),\n                    u.y\n                );\n        }\n\n        float cloudNoise(in vec3 x, in vec3 chaos) {\n            vec3 step = chaos * vec3(60., 120., 75.) + vec3(60., 120., 75.);\n\n            vec3 i = floor(x);\n            vec3 f = fract(x);\n\n            float n = dot(i, step);\n\n            vec3 u = f * f * (3.0 - 2.0 * f);\n            return mix(mix(mix( cloudRandom(n + dot(step, vec3(0, 0, 0))), cloudRandom(n + dot(step, vec3(1, 0, 0))), u.x),\n                           mix( cloudRandom(n + dot(step, vec3(0, 1, 0))), cloudRandom(n + dot(step, vec3(1, 1, 0))), u.x), u.y),\n                       mix(mix( cloudRandom(n + dot(step, vec3(0, 0, 1))), cloudRandom(n + dot(step, vec3(1, 0, 1))), u.x),\n                           mix( cloudRandom(n + dot(step, vec3(0, 1, 1))), cloudRandom(n + dot(step, vec3(1, 1, 1))), u.x), u.y), u.z);\n        }", "// CloudBlockCode"),
                    t._emitFunction("CloudBlockCodeFBM" + this.octaves, "\n        float fbm(in vec2 st, in vec2 chaos) {\n            // Initial values\n            float value = 0.0;\n            float amplitude = .5;\n            float frequency = 0.;\n\n            // Loop of octaves\n            for (int i = 0; i < OCTAVES; i++) {\n                value += amplitude * cloudNoise(st, chaos);\n                st *= 2.0;\n                amplitude *= 0.5;\n            }\n            return value;\n        }\n\n        float fbm(in vec3 x, in vec3 chaos) {\n            // Initial values\n            float value = 0.0;\n            float amplitude = 0.5;\n            for (int i = 0; i < OCTAVES; ++i) {\n                value += amplitude * cloudNoise(x, chaos);\n                x = x * 2.0;\n                amplitude *= 0.5;\n            }\n            return value;\n        }".replace(/fbm/gi, r).replace(/OCTAVES/gi, (0 | this.octaves).toString()), "// CloudBlockCode FBM");
                    var o = t._getFreeVariableName("st")
                      , a = (null === (i = this.seed.connectedPoint) || void 0 === i ? void 0 : i.type) === Op.Vector2 ? "vec2" : "vec3";
                    t.compilationString += "".concat(a, " ").concat(o, " = ").concat(this.seed.associatedVariableName, ";\r\n"),
                    this.offsetX.isConnected && (t.compilationString += "".concat(o, ".x += 0.1 * ").concat(this.offsetX.associatedVariableName, ";\r\n")),
                    this.offsetY.isConnected && (t.compilationString += "".concat(o, ".y += 0.1 * ").concat(this.offsetY.associatedVariableName, ";\r\n")),
                    this.offsetZ.isConnected && "vec3" === a && (t.compilationString += "".concat(o, ".z += 0.1 * ").concat(this.offsetZ.associatedVariableName, ";\r\n"));
                    var s;
                    return s = this.chaos.isConnected ? this.chaos.associatedVariableName : (null === (n = this.seed.connectedPoint) || void 0 === n ? void 0 : n.type) === Op.Vector2 ? "vec2(0., 0.)" : "vec3(0., 0., 0.)",
                    t.compilationString += this._declareOutput(this._outputs[0], t) + " = ".concat(r, "(").concat(o, ", ").concat(s, ");\r\n"),
                    this
                }
            }
            ,
            t.prototype._dumpPropertiesCode = function() {
                return e.prototype._dumpPropertiesCode.call(this) + "".concat(this._codeVariableName, ".octaves = ").concat(this.octaves, ";\r\n")
            }
            ,
            t.prototype.serialize = function() {
                var t = e.prototype.serialize.call(this);
                return t.octaves = this.octaves,
                t
            }
            ,
            t.prototype._deserialize = function(t, i, n) {
                e.prototype._deserialize.call(this, t, i, n),
                this.octaves = t.octaves
            }
            ,
            k([Yp("Octaves", Xp.Int)], t.prototype, "octaves", void 0),
            t
        }(Wp);
        y("BABYLON.CloudBlock", zg);
        var Wg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("seed", Op.Vector2),
                i.registerInput("offset", Op.Float),
                i.registerInput("density", Op.Float),
                i.registerOutput("output", Op.Float),
                i.registerOutput("cells", Op.Float),
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "VoronoiNoiseBlock"
            }
            ,
            Object.defineProperty(t.prototype, "seed", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "offset", {
                get: function() {
                    return this._inputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "density", {
                get: function() {
                    return this._inputs[2]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "cells", {
                get: function() {
                    return this._outputs[1]
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                if (e.prototype._buildBlock.call(this, t),
                this.seed.isConnected) {
                    var i = "vec2 voronoiRandom(vec2 seed, float offset){\n            mat2 m = mat2(15.27, 47.63, 99.41, 89.98);\n            vec2 uv = fract(sin(m * seed) * 46839.32);\n            return vec2(sin(uv.y * offset) * 0.5 + 0.5, cos(uv.x * offset) * 0.5 + 0.5);\n        }\n        ";
                    t._emitFunction("voronoiRandom", i, "// Voronoi random generator"),
                    i = "void voronoi(vec2 seed, float offset, float density, out float outValue, out float cells){\n            vec2 g = floor(seed * density);\n            vec2 f = fract(seed * density);\n            float t = 8.0;\n            vec3 res = vec3(8.0, 0.0, 0.0);\n\n            for(int y=-1; y<=1; y++)\n            {\n                for(int x=-1; x<=1; x++)\n                {\n                    vec2 lattice = vec2(x,y);\n                    vec2 randomOffset = voronoiRandom(lattice + g, offset);\n                    float d = distance(lattice + randomOffset, f);\n                    if(d < res.x)\n                    {\n                        res = vec3(d, randomOffset.x, randomOffset.y);\n                        outValue = res.x;\n                        cells = res.y;\n                    }\n                }\n            }\n        }\n        ",
                    t._emitFunction("voronoi", i, "// Voronoi");
                    var n = t._getFreeVariableName("tempOutput")
                      , r = t._getFreeVariableName("tempCells");
                    return t.compilationString += "float ".concat(n, " = 0.0;\r\n"),
                    t.compilationString += "float ".concat(r, " = 0.0;\r\n"),
                    t.compilationString += "voronoi(".concat(this.seed.associatedVariableName, ", ").concat(this.offset.associatedVariableName, ", ").concat(this.density.associatedVariableName, ", ").concat(n, ", ").concat(r, ");\r\n"),
                    this.output.hasEndpoints && (t.compilationString += this._declareOutput(this.output, t) + " = ".concat(n, ";\r\n")),
                    this.cells.hasEndpoints && (t.compilationString += this._declareOutput(this.cells, t) + " = ".concat(r, ";\r\n")),
                    this
                }
            }
            ,
            t
        }(Wp);
        y("BABYLON.VoronoiNoiseBlock", Wg);
        var Hg = function(e) {
            function t(t) {
                var i = e.call(this, t, Dp.Neutral) || this;
                return i.registerInput("input", Op.AutoDetect),
                i.registerOutput("output", Op.BasedOnInput),
                i._outputs[0]._typeConnectionSource = i._inputs[0],
                i
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ElbowBlock"
            }
            ,
            Object.defineProperty(t.prototype, "input", {
                get: function() {
                    return this._inputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "output", {
                get: function() {
                    return this._outputs[0]
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "target", {
                get: function() {
                    var e = this._inputs[0];
                    return e.isConnected && e.connectedPoint.ownerBlock.isInput ? Dp.Vertex : this._target
                },
                set: function(e) {
                    0 == (this._target & e) && (this._target = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildBlock = function(t) {
                e.prototype._buildBlock.call(this, t);
                var i = this._outputs[0]
                  , n = this._inputs[0];
                return t.compilationString += this._declareOutput(i, t) + " = ".concat(n.associatedVariableName, ";\r\n"),
                this
            }
            ,
            t
        }(Wp);
        y("BABYLON.ElbowBlock", Hg);
        var Xg = function() {
            function e() {}
            return e.prototype.optimize = function(e, t) {}
            ,
            e
        }()
          , jg = function() {
            function e() {
                this.mm = new Map
            }
            return e.prototype.get = function(e, t) {
                var i = this.mm.get(e);
                if (void 0 !== i)
                    return i.get(t)
            }
            ,
            e.prototype.set = function(e, t, i) {
                var n = this.mm.get(e);
                void 0 === n && this.mm.set(e, n = new Map),
                n.set(t, i)
            }
            ,
            e
        }()
          , Yg = function() {
            function e(e, t, i) {
                var n = this;
                this._baseMaterial = e,
                this._scene = null != t ? t : E.LastCreatedScene,
                this._options = i,
                this._subMeshToEffect = new Map,
                this._subMeshToDepthWrapper = new jg,
                this._meshes = new Map,
                this._onEffectCreatedObserver = this._baseMaterial.onEffectCreatedObservable.add((function(e) {
                    var t, i = null === (t = e.subMesh) || void 0 === t ? void 0 : t.getMesh();
                    i && !n._meshes.has(i) && n._meshes.set(i, i.onDisposeObservable.add((function(e) {
                        for (var t = n._subMeshToEffect.keys(), i = t.next(); !0 !== i.done; i = t.next()) {
                            var r = i.value;
                            (null == r ? void 0 : r.getMesh()) === e && (n._subMeshToEffect.delete(r),
                            n._subMeshToDepthWrapper.mm.delete(r))
                        }
                    }
                    ))),
                    n._subMeshToEffect.set(e.subMesh, [e.effect, n._scene.getEngine().currentRenderPassId]),
                    n._subMeshToDepthWrapper.mm.delete(e.subMesh)
                }
                ))
            }
            return Object.defineProperty(e.prototype, "standalone", {
                get: function() {
                    var e, t;
                    return null !== (t = null === (e = this._options) || void 0 === e ? void 0 : e.standalone) && void 0 !== t && t
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "baseMaterial", {
                get: function() {
                    return this._baseMaterial
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getEffect = function(e, t, i) {
                var n, r = null === (n = this._subMeshToDepthWrapper.mm.get(e)) || void 0 === n ? void 0 : n.get(t);
                if (!r)
                    return null;
                var o = r.drawWrapper[i];
                return o || (o = r.drawWrapper[i] = new Gt(this._scene.getEngine())).setEffect(r.mainDrawWrapper.effect, r.mainDrawWrapper.defines),
                o
            }
            ,
            e.prototype.isReadyForSubMesh = function(e, t, i, n, r) {
                var o, a;
                return !(this.standalone && !this._baseMaterial.isReadyForSubMesh(e.getMesh(), e, n)) && null !== (a = null === (o = this._makeEffect(e, t, i, r)) || void 0 === o ? void 0 : o.isReady()) && void 0 !== a && a
            }
            ,
            e.prototype.dispose = function() {
                this._baseMaterial.onEffectCreatedObservable.remove(this._onEffectCreatedObserver),
                this._onEffectCreatedObserver = null;
                for (var e = this._meshes.entries(), t = e.next(); !0 !== t.done; t = e.next()) {
                    var i = t.value
                      , n = i[0]
                      , r = i[1];
                    n.onDisposeObservable.remove(r)
                }
            }
            ,
            e.prototype._makeEffect = function(e, t, i, n) {
                var r, o, a, s = this._scene.getEngine(), l = this._subMeshToEffect.get(e);
                if (!l)
                    return null;
                var c = l[0]
                  , u = l[1]
                  , h = this._subMeshToDepthWrapper.get(e, i);
                if (!h) {
                    var d = new Gt(s);
                    d.defines = null !== (o = null === (r = e._getDrawWrapper(u)) || void 0 === r ? void 0 : r.defines) && void 0 !== o ? o : null,
                    (h = {
                        drawWrapper: [],
                        mainDrawWrapper: d,
                        depthDefines: "",
                        token: fi()
                    }).drawWrapper[n] = d,
                    this._subMeshToDepthWrapper.set(e, i, h)
                }
                var p = t.join("\n");
                if (h.mainDrawWrapper.effect && p === h.depthDefines)
                    return h.mainDrawWrapper.effect;
                h.depthDefines = p;
                var f = c.rawVertexSourceCode
                  , _ = c.rawFragmentSourceCode
                  , m = this._options && this._options.remappedVariables ? "#include<shadowMapVertexNormalBias>(".concat(this._options.remappedVariables.join(","), ")") : Mt.IncludesShadersStore.shadowMapVertexNormalBias
                  , g = this._options && this._options.remappedVariables ? "#include<shadowMapVertexMetric>(".concat(this._options.remappedVariables.join(","), ")") : Mt.IncludesShadersStore.shadowMapVertexMetric
                  , v = this._options && this._options.remappedVariables ? "#include<shadowMapFragmentSoftTransparentShadow>(".concat(this._options.remappedVariables.join(","), ")") : Mt.IncludesShadersStore.shadowMapFragmentSoftTransparentShadow
                  , y = Mt.IncludesShadersStore.shadowMapFragment;
                f = (f = -1 !== (f = (f = f.replace(/void\s+?main/g, Mt.IncludesShadersStore.shadowMapVertexExtraDeclaration + "\r\nvoid main")).replace(/#define SHADOWDEPTH_NORMALBIAS|#define CUSTOM_VERTEX_UPDATE_WORLDPOS/g, m)).indexOf("#define SHADOWDEPTH_METRIC") ? f.replace(/#define SHADOWDEPTH_METRIC/g, g) : f.replace(/}\s*$/g, g + "\r\n}")).replace(/#define SHADER_NAME.*?\n|out vec4 glFragColor;\n/g, "");
                var b = _.indexOf("#define SHADOWDEPTH_SOFTTRANSPARENTSHADOW") >= 0 || _.indexOf("#define CUSTOM_FRAGMENT_BEFORE_FOG") >= 0
                  , T = -1 !== _.indexOf("#define SHADOWDEPTH_FRAGMENT")
                  , E = "";
                b ? _ = _.replace(/#define SHADOWDEPTH_SOFTTRANSPARENTSHADOW|#define CUSTOM_FRAGMENT_BEFORE_FOG/g, v) : E = v + "\r\n",
                _ = _.replace(/void\s+?main/g, Mt.IncludesShadersStore.shadowMapFragmentExtraDeclaration + "\r\nvoid main"),
                T ? _ = _.replace(/#define SHADOWDEPTH_FRAGMENT/g, y) : E += y + "\r\n",
                E && (_ = _.replace(/}\s*$/g, E + "}")),
                _ = _.replace(/#define SHADER_NAME.*?\n|out vec4 glFragColor;\n/g, "");
                var S = c.getUniformNames().slice();
                S.push("biasAndScaleSM", "depthValuesSM", "lightDataSM", "softTransparentShadowSM"),
                h.mainDrawWrapper.effect = s.createEffect({
                    vertexSource: f,
                    fragmentSource: _,
                    vertexToken: h.token,
                    fragmentToken: h.token
                }, {
                    attributes: c.getAttributesNames(),
                    uniformsNames: S,
                    uniformBuffersNames: c.getUniformBuffersNames(),
                    samplers: c.getSamplers(),
                    defines: p + "\n" + c.defines.replace("#define SHADOWS", "").replace(/#define SHADOW\d/g, ""),
                    indexParameters: c.getIndexParameters()
                }, s);
                for (var A = 0; A < h.drawWrapper.length; ++A)
                    A !== n && (null === (a = h.drawWrapper[A]) || void 0 === a || a.setEffect(h.mainDrawWrapper.effect, h.mainDrawWrapper.defines));
                return h.mainDrawWrapper.effect
            }
            ,
            e
        }();
        function Kg(e) {
            return e instanceof rp ? new Zd(e) : null
        }
        function Qg(e) {
            return e instanceof rp ? new Yd(e) : null
        }
        function qg(e) {
            return e instanceof rp ? new Qd(e) : null
        }
        function Zg(e) {
            return e instanceof rp ? new $d(e) : null
        }
        function Jg(e) {
            return e instanceof rp ? new tp(e) : null
        }
        function $g(e) {
            return e instanceof rp || e instanceof Os ? new Ps(e) : null
        }
        function ev(e, t, i, n, r, o) {
            var a = new e.DecoderBuffer;
            a.Init(t, t.byteLength);
            var s, l, c = new e.Decoder;
            try {
                var u = c.GetEncodedGeometryType(a);
                switch (u) {
                case e.TRIANGULAR_MESH:
                    s = new e.Mesh,
                    l = c.DecodeBufferToMesh(a, s);
                    break;
                case e.POINT_CLOUD:
                    s = new e.PointCloud,
                    l = c.DecodeBufferToPointCloud(a, s);
                    break;
                default:
                    throw new Error("Invalid geometry type ".concat(u))
                }
                if (!l.ok() || !s.ptr)
                    throw new Error(l.error_msg());
                if (u === e.TRIANGULAR_MESH) {
                    var h = 3 * s.num_faces()
                      , d = 4 * h
                      , p = e._malloc(d);
                    try {
                        c.GetTrianglesUInt32Array(s, d, p);
                        var f = new Uint32Array(h);
                        f.set(new Uint32Array(e.HEAPF32.buffer,p,h)),
                        n(f)
                    } finally {
                        e._free(p)
                    }
                }
                var _ = function(t, i, n) {
                    void 0 === n && (n = 1);
                    var o = i.num_components()
                      , a = s.num_points()
                      , l = a * o
                      , u = l * Float32Array.BYTES_PER_ELEMENT
                      , h = e._malloc(u);
                    try {
                        c.GetAttributeDataArrayForAllPoints(s, i, e.DT_FLOAT32, u, h);
                        var d = new Float32Array(e.HEAPF32.buffer,h,l);
                        if ("color" === t && 3 === o) {
                            for (var p = new Float32Array(4 * a), f = 0, _ = 0; f < p.length; f += 4,
                            _ += o)
                                p[f + 0] = d[_ + 0],
                                p[f + 1] = d[_ + 1],
                                p[f + 2] = d[_ + 2],
                                p[f + 3] = 1;
                            r(t, p)
                        } else {
                            if ((p = new Float32Array(l)).set(new Float32Array(e.HEAPF32.buffer,h,l)),
                            1 !== n)
                                for (f = 0; f < p.length; f++)
                                    p[f] = p[f] / n;
                            r(t, p)
                        }
                    } finally {
                        e._free(h)
                    }
                };
                if (i)
                    for (var m in i) {
                        var g = i[m];
                        _(m, c.GetAttributeByUniqueId(s, g), o && o[m] || 1)
                    }
                else {
                    var v = {
                        position: "POSITION",
                        normal: "NORMAL",
                        color: "COLOR",
                        uv: "TEX_COORD"
                    };
                    for (var m in v)
                        -1 !== (g = c.GetAttributeId(s, e[v[m]])) && _(m, c.GetAttribute(s, g))
                }
            } finally {
                s && e.destroy(s),
                e.destroy(c),
                e.destroy(a)
            }
        }
        function tv() {
            var e;
            onmessage = function(t) {
                var i = t.data;
                switch (i.id) {
                case "init":
                    var n = i.decoder;
                    n.url && (importScripts(n.url),
                    e = DracoDecoderModule({
                        wasmBinary: n.wasmBinary
                    })),
                    postMessage("done");
                    break;
                case "decodeMesh":
                    if (!e)
                        throw new Error("Draco decoder module is not available");
                    e.then((function(e) {
                        ev(e, i.dataView, i.attributes, (function(e) {
                            postMessage({
                                id: "indices",
                                value: e
                            }, [e.buffer])
                        }
                        ), (function(e, t) {
                            postMessage({
                                id: e,
                                value: t
                            }, [t.buffer])
                        }
                        )),
                        postMessage("done")
                    }
                    ))
                }
            }
        }
        var iv = function() {
            function e(t) {
                void 0 === t && (t = e.DefaultNumWorkers);
                var i = e.Configuration.decoder
                  , n = i.wasmUrl && i.wasmBinaryUrl && "object" == typeof WebAssembly ? {
                    url: gi.GetAbsoluteUrl(i.wasmUrl),
                    wasmBinaryPromise: gi.LoadFileAsync(gi.GetAbsoluteUrl(i.wasmBinaryUrl))
                } : {
                    url: gi.GetAbsoluteUrl(i.fallbackUrl),
                    wasmBinaryPromise: Promise.resolve(void 0)
                };
                t && "function" == typeof Worker ? this._workerPoolPromise = n.wasmBinaryPromise.then((function(e) {
                    var i = "".concat(ev, "(").concat(tv, ")()")
                      , r = URL.createObjectURL(new Blob([i],{
                        type: "application/javascript"
                    }));
                    return new vp(t,(function() {
                        return new Promise((function(t, i) {
                            var o = new Worker(r)
                              , a = function(e) {
                                o.removeEventListener("error", a),
                                o.removeEventListener("message", s),
                                i(e)
                            }
                              , s = function(e) {
                                "done" === e.data && (o.removeEventListener("error", a),
                                o.removeEventListener("message", s),
                                t(o))
                            };
                            o.addEventListener("error", a),
                            o.addEventListener("message", s),
                            o.postMessage({
                                id: "init",
                                decoder: {
                                    url: n.url,
                                    wasmBinary: e
                                }
                            })
                        }
                        ))
                    }
                    ))
                }
                )) : this._decoderModulePromise = n.wasmBinaryPromise.then((function(e) {
                    if (!n.url)
                        throw new Error("Draco decoder module is not available");
                    return gi.LoadScriptAsync(n.url).then((function() {
                        return t = e,
                        new Promise((function(e) {
                            DracoDecoderModule({
                                wasmBinary: t
                            }).then((function(t) {
                                e({
                                    module: t
                                })
                            }
                            ))
                        }
                        ));
                        var t
                    }
                    ))
                }
                ))
            }
            return Object.defineProperty(e, "DecoderAvailable", {
                get: function() {
                    var t = e.Configuration.decoder;
                    return !!(t.wasmUrl && t.wasmBinaryUrl && "object" == typeof WebAssembly || t.fallbackUrl)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.GetDefaultNumWorkers = function() {
                return "object" == typeof navigator && navigator.hardwareConcurrency ? Math.min(Math.floor(.5 * navigator.hardwareConcurrency), 4) : 1
            }
            ,
            Object.defineProperty(e, "Default", {
                get: function() {
                    return e._Default || (e._Default = new e),
                    e._Default
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this._workerPoolPromise && this._workerPoolPromise.then((function(e) {
                    e.dispose()
                }
                )),
                delete this._workerPoolPromise,
                delete this._decoderModulePromise
            }
            ,
            e.prototype.whenReadyAsync = function() {
                return this._workerPoolPromise ? this._workerPoolPromise.then((function() {}
                )) : this._decoderModulePromise ? this._decoderModulePromise.then((function() {}
                )) : Promise.resolve()
            }
            ,
            e.prototype.decodeMeshAsync = function(e, t, i) {
                var n = e instanceof ArrayBuffer ? new Uint8Array(e) : e;
                if (this._workerPoolPromise)
                    return this._workerPoolPromise.then((function(e) {
                        return new Promise((function(r, o) {
                            e.push((function(e, a) {
                                var s = new $n
                                  , l = function(t) {
                                    e.removeEventListener("error", l),
                                    e.removeEventListener("message", c),
                                    o(t),
                                    a()
                                }
                                  , c = function(t) {
                                    if ("done" === t.data)
                                        e.removeEventListener("error", l),
                                        e.removeEventListener("message", c),
                                        r(s),
                                        a();
                                    else if ("indices" === t.data.id)
                                        s.indices = t.data.value;
                                    else {
                                        var n = i && i[t.data.id] ? i[t.data.id] : 1;
                                        if (1 !== n)
                                            for (var o = 0; o < t.data.value.length; o++)
                                                t.data.value[o] = t.data.value[o] / n;
                                        s.set(t.data.value, t.data.id)
                                    }
                                };
                                e.addEventListener("error", l),
                                e.addEventListener("message", c);
                                var u = new Uint8Array(n.byteLength);
                                u.set(new Uint8Array(n.buffer,n.byteOffset,n.byteLength)),
                                e.postMessage({
                                    id: "decodeMesh",
                                    dataView: u,
                                    attributes: t
                                }, [u.buffer])
                            }
                            ))
                        }
                        ))
                    }
                    ));
                if (this._decoderModulePromise)
                    return this._decoderModulePromise.then((function(e) {
                        var r = new $n;
                        return ev(e.module, n, t, (function(e) {
                            r.indices = e
                        }
                        ), (function(e, t) {
                            r.set(t, e)
                        }
                        ), i),
                        r
                    }
                    ));
                throw new Error("Draco decoder module is not available")
            }
            ,
            e.Configuration = {
                decoder: {
                    wasmUrl: "https://preview.babylonjs.com/draco_wasm_wrapper_gltf.js",
                    wasmBinaryUrl: "https://preview.babylonjs.com/draco_decoder_gltf.wasm",
                    fallbackUrl: "https://preview.babylonjs.com/draco_decoder_gltf.js"
                }
            },
            e.DefaultNumWorkers = e.GetDefaultNumWorkers(),
            e._Default = null,
            e
        }()
          , nv = function() {
            function e() {
                var t = e.Configuration.decoder;
                this._decoderModulePromise = gi.LoadScriptAsync(gi.GetAbsoluteUrl(t.url)).then((function() {
                    return MeshoptDecoder.ready
                }
                ))
            }
            return Object.defineProperty(e, "Default", {
                get: function() {
                    return e._Default || (e._Default = new e),
                    e._Default
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                delete this._decoderModulePromise
            }
            ,
            e.prototype.decodeGltfBufferAsync = function(e, t, i, n, r) {
                return this._decoderModulePromise.then((function() {
                    var o = new Uint8Array(t * i);
                    return MeshoptDecoder.decodeGltfBuffer(o, t, i, e, n, r),
                    o
                }
                ))
            }
            ,
            e.Configuration = {
                decoder: {
                    url: "https://preview.babylonjs.com/meshopt_decoder.js"
                }
            },
            e._Default = null,
            e
        }()
          , rv = 0
          , ov = function() {
            function e(e, t, i, n) {
                this.pos = e,
                this.normal = t,
                this.uv = i,
                this.vertColor = n
            }
            return e.prototype.clone = function() {
                var t, i;
                return new e(this.pos.clone(),this.normal.clone(),null === (t = this.uv) || void 0 === t ? void 0 : t.clone(),null === (i = this.vertColor) || void 0 === i ? void 0 : i.clone())
            }
            ,
            e.prototype.flip = function() {
                this.normal = this.normal.scale(-1)
            }
            ,
            e.prototype.interpolate = function(t, i) {
                return new e(x.Lerp(this.pos, t.pos, i),x.Lerp(this.normal, t.normal, i),this.uv && t.uv ? A.Lerp(this.uv, t.uv, i) : void 0,this.vertColor && t.vertColor ? N.Lerp(this.vertColor, t.vertColor, i) : void 0)
            }
            ,
            e
        }()
          , av = function() {
            function e(e, t) {
                this.normal = e,
                this.w = t
            }
            return e.FromPoints = function(t, i, n) {
                var r = n.subtract(t)
                  , o = i.subtract(t);
                if (0 === r.lengthSquared() || 0 === o.lengthSquared())
                    return null;
                var a = x.Normalize(x.Cross(r, o));
                return new e(a,x.Dot(a, t))
            }
            ,
            e.prototype.clone = function() {
                return new e(this.normal.clone(),this.w)
            }
            ,
            e.prototype.flip = function() {
                this.normal.scaleInPlace(-1),
                this.w = -this.w
            }
            ,
            e.prototype.splitPolygon = function(t, i, n, r, o) {
                var a, s, l = 0, c = [];
                for (a = 0; a < t.vertices.length; a++) {
                    var u = (s = x.Dot(this.normal, t.vertices[a].pos) - this.w) < -e.EPSILON ? 2 : s > e.EPSILON ? 1 : 0;
                    l |= u,
                    c.push(u)
                }
                switch (l) {
                case 0:
                    (x.Dot(this.normal, t.plane.normal) > 0 ? i : n).push(t);
                    break;
                case 1:
                    r.push(t);
                    break;
                case 2:
                    o.push(t);
                    break;
                case 3:
                    var h = []
                      , d = [];
                    for (a = 0; a < t.vertices.length; a++) {
                        var p = (a + 1) % t.vertices.length
                          , f = c[a]
                          , _ = c[p]
                          , m = t.vertices[a]
                          , g = t.vertices[p];
                        if (2 !== f && h.push(m),
                        1 !== f && d.push(2 !== f ? m.clone() : m),
                        3 == (f | _)) {
                            s = (this.w - x.Dot(this.normal, m.pos)) / x.Dot(this.normal, g.pos.subtract(m.pos));
                            var v = m.interpolate(g, s);
                            h.push(v),
                            d.push(v.clone())
                        }
                    }
                    var y = void 0;
                    h.length >= 3 && (y = new sv(h,t.shared)).plane && r.push(y),
                    d.length >= 3 && (y = new sv(d,t.shared)).plane && o.push(y)
                }
            }
            ,
            e.EPSILON = 1e-5,
            e
        }()
          , sv = function() {
            function e(e, t) {
                this.vertices = e,
                this.shared = t,
                this.plane = av.FromPoints(e[0].pos, e[1].pos, e[2].pos)
            }
            return e.prototype.clone = function() {
                return new e(this.vertices.map((function(e) {
                    return e.clone()
                }
                )),this.shared)
            }
            ,
            e.prototype.flip = function() {
                this.vertices.reverse().map((function(e) {
                    e.flip()
                }
                )),
                this.plane.flip()
            }
            ,
            e
        }()
          , lv = function() {
            function e(e) {
                this._plane = null,
                this._front = null,
                this._back = null,
                this._polygons = new Array,
                e && this.build(e)
            }
            return e.prototype.clone = function() {
                var t = new e;
                return t._plane = this._plane && this._plane.clone(),
                t._front = this._front && this._front.clone(),
                t._back = this._back && this._back.clone(),
                t._polygons = this._polygons.map((function(e) {
                    return e.clone()
                }
                )),
                t
            }
            ,
            e.prototype.invert = function() {
                for (var e = 0; e < this._polygons.length; e++)
                    this._polygons[e].flip();
                this._plane && this._plane.flip(),
                this._front && this._front.invert(),
                this._back && this._back.invert();
                var t = this._front;
                this._front = this._back,
                this._back = t
            }
            ,
            e.prototype.clipPolygons = function(e) {
                if (!this._plane)
                    return e.slice();
                for (var t = new Array, i = new Array, n = 0; n < e.length; n++)
                    this._plane.splitPolygon(e[n], t, i, t, i);
                return this._front && (t = this._front.clipPolygons(t)),
                i = this._back ? this._back.clipPolygons(i) : [],
                t.concat(i)
            }
            ,
            e.prototype.clipTo = function(e) {
                this._polygons = e.clipPolygons(this._polygons),
                this._front && this._front.clipTo(e),
                this._back && this._back.clipTo(e)
            }
            ,
            e.prototype.allPolygons = function() {
                var e = this._polygons.slice();
                return this._front && (e = e.concat(this._front.allPolygons())),
                this._back && (e = e.concat(this._back.allPolygons())),
                e
            }
            ,
            e.prototype.build = function(t) {
                if (t.length) {
                    this._plane || (this._plane = t[0].plane.clone());
                    for (var i = new Array, n = new Array, r = 0; r < t.length; r++)
                        this._plane.splitPolygon(t[r], this._polygons, this._polygons, i, n);
                    i.length && (this._front || (this._front = new e),
                    this._front.build(i)),
                    n.length && (this._back || (this._back = new e),
                    this._back.build(n))
                }
            }
            ,
            e
        }()
          , cv = function() {
            function e() {
                this._polygons = new Array
            }
            return e.FromMesh = function(t, i) {
                void 0 === i && (i = !1);
                var n, r, o, s, l, c, u, h, d, p = void 0, f = void 0, _ = new Array, m = null, g = !1;
                if (!(t instanceof Vr))
                    throw "BABYLON.CSG: Wrong Mesh type, must be BABYLON.Mesh";
                t.computeWorldMatrix(!0),
                c = t.getWorldMatrix(),
                u = t.position.clone(),
                h = t.rotation.clone(),
                t.rotationQuaternion && (m = t.rotationQuaternion.clone()),
                d = t.scaling.clone(),
                t.material && i && (g = t.material.sideOrientation === a.MATERIAL_ClockWiseSideOrientation);
                for (var v = t.getIndices(), y = t.getVerticesData(Bi.PositionKind), b = t.getVerticesData(Bi.NormalKind), T = t.getVerticesData(Bi.UVKind), E = t.getVerticesData(Bi.ColorKind), S = t.subMeshes, R = 0, M = S.length; R < M; R++)
                    for (var I = S[R].indexStart, O = S[R].indexCount + S[R].indexStart; I < O; I += 3) {
                        l = [];
                        for (var D = 0; D < 3; D++) {
                            var L = 0 === D ? I + D : g ? I + 3 - D : I + D
                              , F = new x(b[3 * v[L]],b[3 * v[L] + 1],b[3 * v[L] + 2]);
                            T && (p = new A(T[2 * v[L]],T[2 * v[L] + 1])),
                            E && (f = new N(E[4 * v[L]],E[4 * v[L] + 1],E[4 * v[L] + 2],E[4 * v[L] + 3]));
                            var w = new x(y[3 * v[L]],y[3 * v[L] + 1],y[3 * v[L] + 2]);
                            o = x.TransformCoordinates(w, c),
                            r = x.TransformNormal(F, c),
                            n = new ov(o,r,p,f),
                            l.push(n)
                        }
                        (s = new sv(l,{
                            subMeshId: R,
                            meshId: rv,
                            materialIndex: S[R].materialIndex
                        })).plane && _.push(s)
                    }
                var B = e._FromPolygons(_);
                return B.matrix = i ? P.Identity() : c,
                B.position = i ? x.Zero() : u,
                B.rotation = i ? x.Zero() : h,
                B.scaling = i ? x.One() : d,
                B.rotationQuaternion = i && m ? C.Identity() : m,
                rv++,
                B
            }
            ,
            e._FromPolygons = function(t) {
                var i = new e;
                return i._polygons = t,
                i
            }
            ,
            e.prototype.clone = function() {
                var t = new e;
                return t._polygons = this._polygons.map((function(e) {
                    return e.clone()
                }
                )),
                t.copyTransformAttributes(this),
                t
            }
            ,
            e.prototype.union = function(t) {
                var i = new lv(this.clone()._polygons)
                  , n = new lv(t.clone()._polygons);
                return i.clipTo(n),
                n.clipTo(i),
                n.invert(),
                n.clipTo(i),
                n.invert(),
                i.build(n.allPolygons()),
                e._FromPolygons(i.allPolygons()).copyTransformAttributes(this)
            }
            ,
            e.prototype.unionInPlace = function(e) {
                var t = new lv(this._polygons)
                  , i = new lv(e._polygons);
                t.clipTo(i),
                i.clipTo(t),
                i.invert(),
                i.clipTo(t),
                i.invert(),
                t.build(i.allPolygons()),
                this._polygons = t.allPolygons()
            }
            ,
            e.prototype.subtract = function(t) {
                var i = new lv(this.clone()._polygons)
                  , n = new lv(t.clone()._polygons);
                return i.invert(),
                i.clipTo(n),
                n.clipTo(i),
                n.invert(),
                n.clipTo(i),
                n.invert(),
                i.build(n.allPolygons()),
                i.invert(),
                e._FromPolygons(i.allPolygons()).copyTransformAttributes(this)
            }
            ,
            e.prototype.subtractInPlace = function(e) {
                var t = new lv(this._polygons)
                  , i = new lv(e._polygons);
                t.invert(),
                t.clipTo(i),
                i.clipTo(t),
                i.invert(),
                i.clipTo(t),
                i.invert(),
                t.build(i.allPolygons()),
                t.invert(),
                this._polygons = t.allPolygons()
            }
            ,
            e.prototype.intersect = function(t) {
                var i = new lv(this.clone()._polygons)
                  , n = new lv(t.clone()._polygons);
                return i.invert(),
                n.clipTo(i),
                n.invert(),
                i.clipTo(n),
                n.clipTo(i),
                i.build(n.allPolygons()),
                i.invert(),
                e._FromPolygons(i.allPolygons()).copyTransformAttributes(this)
            }
            ,
            e.prototype.intersectInPlace = function(e) {
                var t = new lv(this._polygons)
                  , i = new lv(e._polygons);
                t.invert(),
                i.clipTo(t),
                i.invert(),
                t.clipTo(i),
                i.clipTo(t),
                t.build(i.allPolygons()),
                t.invert(),
                this._polygons = t.allPolygons()
            }
            ,
            e.prototype.inverse = function() {
                var e = this.clone();
                return e.inverseInPlace(),
                e
            }
            ,
            e.prototype.inverseInPlace = function() {
                this._polygons.map((function(e) {
                    e.flip()
                }
                ))
            }
            ,
            e.prototype.copyTransformAttributes = function(e) {
                return this.matrix = e.matrix,
                this.position = e.position,
                this.rotation = e.rotation,
                this.scaling = e.scaling,
                this.rotationQuaternion = e.rotationQuaternion,
                this
            }
            ,
            e.prototype.buildMeshGeometry = function(e, t, i) {
                var n = this.matrix.clone();
                n.invert();
                var r, o, a, s = new Vr(e,t), l = [], c = [], u = [], h = null, d = null, p = x.Zero(), f = x.Zero(), _ = A.Zero(), m = new N(0,0,0,0), g = this._polygons, v = [0, 0, 0], y = {}, b = 0, T = {};
                i && g.sort((function(e, t) {
                    return e.shared.meshId === t.shared.meshId ? e.shared.subMeshId - t.shared.subMeshId : e.shared.meshId - t.shared.meshId
                }
                ));
                for (var E = 0, S = g.length; E < S; E++) {
                    T[(r = g[E]).shared.meshId] || (T[r.shared.meshId] = {}),
                    T[r.shared.meshId][r.shared.subMeshId] || (T[r.shared.meshId][r.shared.subMeshId] = {
                        indexStart: 1 / 0,
                        indexEnd: -1 / 0,
                        materialIndex: r.shared.materialIndex
                    }),
                    a = T[r.shared.meshId][r.shared.subMeshId];
                    for (var R = 2, C = r.vertices.length; R < C; R++) {
                        v[0] = 0,
                        v[1] = R - 1,
                        v[2] = R;
                        for (var P = 0; P < 3; P++) {
                            p.copyFrom(r.vertices[v[P]].pos),
                            f.copyFrom(r.vertices[v[P]].normal),
                            r.vertices[v[P]].uv && (h || (h = []),
                            _.copyFrom(r.vertices[v[P]].uv)),
                            r.vertices[v[P]].vertColor && (d || (d = []),
                            m.copyFrom(r.vertices[v[P]].vertColor));
                            var M = x.TransformCoordinates(p, n)
                              , I = x.TransformNormal(f, n);
                            o = y[M.x + "," + M.y + "," + M.z];
                            var O = !1;
                            h && h[2 * o] !== _.x && h[2 * o + 1] !== _.y && (O = !0);
                            var D = !1;
                            d && d[4 * o] !== m.r && d[4 * o + 1] !== m.g && d[4 * o + 2] !== m.b && d[4 * o + 3] !== m.a && (D = !0),
                            (void 0 === o || u[3 * o] !== I.x || u[3 * o + 1] !== I.y || u[3 * o + 2] !== I.z || O || D) && (l.push(M.x, M.y, M.z),
                            h && h.push(_.x, _.y),
                            u.push(f.x, f.y, f.z),
                            d && d.push(m.r, m.g, m.b, m.a),
                            o = y[M.x + "," + M.y + "," + M.z] = l.length / 3 - 1),
                            c.push(o),
                            a.indexStart = Math.min(b, a.indexStart),
                            a.indexEnd = Math.max(b, a.indexEnd),
                            b++
                        }
                    }
                }
                if (s.setVerticesData(Bi.PositionKind, l),
                s.setVerticesData(Bi.NormalKind, u),
                h && s.setVerticesData(Bi.UVKind, h),
                d && s.setVerticesData(Bi.ColorKind, d),
                s.setIndices(c, null),
                i) {
                    var L = 0
                      , F = void 0;
                    for (var w in s.subMeshes = new Array,
                    T) {
                        for (var B in F = -1,
                        T[w])
                            a = T[w][B],
                            hr.CreateFromIndices(a.materialIndex + L, a.indexStart, a.indexEnd - a.indexStart + 1, s),
                            F = Math.max(a.materialIndex, F);
                        L += ++F
                    }
                }
                return s
            }
            ,
            e.prototype.toMesh = function(e, t, i, n) {
                void 0 === t && (t = null);
                var r = this.buildMeshGeometry(e, i, n);
                return r.material = t,
                r.position.copyFrom(this.position),
                r.rotation.copyFrom(this.rotation),
                this.rotationQuaternion && (r.rotationQuaternion = this.rotationQuaternion.clone()),
                r.scaling.copyFrom(this.scaling),
                r.computeWorldMatrix(!0),
                r
            }
            ,
            e
        }();
        Vr._GoldbergMeshParser = function(e, t) {
            return uv.Parse(e, t)
        }
        ;
        var uv = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t.goldbergData = {
                    faceColors: [],
                    faceCenters: [],
                    faceZaxis: [],
                    faceXaxis: [],
                    faceYaxis: [],
                    nbSharedFaces: 0,
                    nbUnsharedFaces: 0,
                    nbFaces: 0,
                    nbFacesAtPole: 0,
                    adjacentFaces: []
                },
                t
            }
            return U(t, e),
            t.prototype.relatedGoldbergFace = function(e, t) {
                return void 0 === t ? (e > this.goldbergData.nbUnsharedFaces - 1 && (K.Warn("Maximum number of unshared faces used"),
                e = this.goldbergData.nbUnsharedFaces - 1),
                this.goldbergData.nbUnsharedFaces + e) : (e > 11 && (K.Warn("Last pole used"),
                e = 11),
                t > this.goldbergData.nbFacesAtPole - 1 && (K.Warn("Maximum number of faces at a pole used"),
                t = this.goldbergData.nbFacesAtPole - 1),
                12 + e * this.goldbergData.nbFacesAtPole + t)
            }
            ,
            t.prototype._changeGoldbergFaceColors = function(e) {
                for (var t = 0; t < e.length; t++)
                    for (var i = e[t][0], n = e[t][1], r = e[t][2], o = i; o < n + 1; o++)
                        this.goldbergData.faceColors[o] = r;
                var a = [];
                for (o = 0; o < 12; o++)
                    for (t = 0; t < 5; t++)
                        a.push(this.goldbergData.faceColors[o].r, this.goldbergData.faceColors[o].g, this.goldbergData.faceColors[o].b, this.goldbergData.faceColors[o].a);
                for (o = 12; o < this.goldbergData.faceColors.length; o++)
                    for (t = 0; t < 6; t++)
                        a.push(this.goldbergData.faceColors[o].r, this.goldbergData.faceColors[o].g, this.goldbergData.faceColors[o].b, this.goldbergData.faceColors[o].a);
                return a
            }
            ,
            t.prototype.setGoldbergFaceColors = function(e) {
                var t = this._changeGoldbergFaceColors(e);
                this.setVerticesData(Bi.ColorKind, t)
            }
            ,
            t.prototype.updateGoldbergFaceColors = function(e) {
                var t = this._changeGoldbergFaceColors(e);
                this.updateVerticesData(Bi.ColorKind, t)
            }
            ,
            t.prototype._changeGoldbergFaceUVs = function(e) {
                for (var t = this.getVerticesData(Bi.UVKind), i = 0; i < e.length; i++) {
                    for (var n = e[i][0], r = e[i][1], o = e[i][2], a = e[i][3], s = e[i][4], l = [], c = [], u = void 0, h = void 0, d = 0; d < 5; d++)
                        u = o.x + a * Math.cos(s + d * Math.PI / 2.5),
                        h = o.y + a * Math.sin(s + d * Math.PI / 2.5),
                        u < 0 && (u = 0),
                        u > 1 && (u = 1),
                        l.push(u, h);
                    for (d = 0; d < 6; d++)
                        u = o.x + a * Math.cos(s + d * Math.PI / 3),
                        h = o.y + a * Math.sin(s + d * Math.PI / 3),
                        u < 0 && (u = 0),
                        u > 1 && (u = 1),
                        c.push(u, h);
                    for (var p = n; p < Math.min(12, r + 1); p++)
                        for (d = 0; d < 5; d++)
                            t[10 * p + 2 * d] = l[2 * d],
                            t[10 * p + 2 * d + 1] = l[2 * d + 1];
                    for (p = Math.max(12, n); p < r + 1; p++)
                        for (d = 0; d < 6; d++)
                            t[12 * p - 24 + 2 * d] = c[2 * d],
                            t[12 * p - 23 + 2 * d] = c[2 * d + 1]
                }
                return t
            }
            ,
            t.prototype.setGoldbergFaceUVs = function(e) {
                var t = this._changeGoldbergFaceUVs(e);
                this.setVerticesData(Bi.UVKind, t)
            }
            ,
            t.prototype.updateGoldbergFaceUVs = function(e) {
                var t = this._changeGoldbergFaceUVs(e);
                this.updateVerticesData(Bi.UVKind, t)
            }
            ,
            t.prototype.placeOnGoldbergFaceAt = function(e, t, i) {
                var n = x.RotationFromAxis(this.goldbergData.faceXaxis[t], this.goldbergData.faceYaxis[t], this.goldbergData.faceZaxis[t]);
                e.rotation = n,
                e.position = this.goldbergData.faceCenters[t].add(this.goldbergData.faceXaxis[t].scale(i.x)).add(this.goldbergData.faceYaxis[t].scale(i.y)).add(this.goldbergData.faceZaxis[t].scale(i.z))
            }
            ,
            t.prototype.serialize = function(t) {
                e.prototype.serialize.call(this, t),
                t.type = "GoldbergMesh";
                var i = {};
                if (i.adjacentFaces = this.goldbergData.adjacentFaces,
                i.nbSharedFaces = this.goldbergData.nbSharedFaces,
                i.nbUnsharedFaces = this.goldbergData.nbUnsharedFaces,
                i.nbFaces = this.goldbergData.nbFaces,
                i.nbFacesAtPole = this.goldbergData.nbFacesAtPole,
                this.goldbergData.faceColors) {
                    i.faceColors = [];
                    for (var n = 0, r = this.goldbergData.faceColors; n < r.length; n++) {
                        var o = r[n];
                        i.faceColors.push(o.asArray())
                    }
                }
                if (this.goldbergData.faceCenters) {
                    i.faceCenters = [];
                    for (var a = 0, s = this.goldbergData.faceCenters; a < s.length; a++) {
                        var l = s[a];
                        i.faceCenters.push(l.asArray())
                    }
                }
                if (this.goldbergData.faceZaxis) {
                    i.faceZaxis = [];
                    for (var c = 0, u = this.goldbergData.faceZaxis; c < u.length; c++)
                        l = u[c],
                        i.faceZaxis.push(l.asArray())
                }
                if (this.goldbergData.faceYaxis) {
                    i.faceYaxis = [];
                    for (var h = 0, d = this.goldbergData.faceYaxis; h < d.length; h++)
                        l = d[h],
                        i.faceYaxis.push(l.asArray())
                }
                if (this.goldbergData.faceXaxis) {
                    i.faceXaxis = [];
                    for (var p = 0, f = this.goldbergData.faceXaxis; p < f.length; p++)
                        l = f[p],
                        i.faceXaxis.push(l.asArray())
                }
                t.goldbergData = i
            }
            ,
            t.Parse = function(e, i) {
                var n = e.goldbergData;
                n.faceColors = n.faceColors.map((function(e) {
                    return N.FromArray(e)
                }
                )),
                n.faceCenters = n.faceCenters.map((function(e) {
                    return x.FromArray(e)
                }
                )),
                n.faceZaxis = n.faceZaxis.map((function(e) {
                    return x.FromArray(e)
                }
                )),
                n.faceXaxis = n.faceXaxis.map((function(e) {
                    return x.FromArray(e)
                }
                )),
                n.faceYaxis = n.faceYaxis.map((function(e) {
                    return x.FromArray(e)
                }
                ));
                var r = new t(e.name,i);
                return r.goldbergData = n,
                r
            }
            ,
            t
        }(Vr)
          , hv = function(e) {
            function t(t, i, n, r, o, a) {
                void 0 === r && (r = 1),
                void 0 === o && (o = 60),
                void 0 === a && (a = !0);
                var s = e.call(this, t, n) || this;
                s._sectionPolygonPointsCount = 4,
                s._running = !1,
                s._autoStart = a,
                s._generator = i,
                s._diameter = r,
                s._length = o,
                s._sectionVectors = [],
                s._sectionNormalVectors = [];
                for (var l = 0; l < s._sectionPolygonPointsCount; l++)
                    s._sectionVectors[l] = x.Zero(),
                    s._sectionNormalVectors[l] = x.Zero();
                return s._createMesh(),
                s
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "TrailMesh"
            }
            ,
            t.prototype._createMesh = function() {
                var e = new $n
                  , t = []
                  , i = []
                  , n = []
                  , r = x.Zero();
                r = this._generator instanceof Sr && this._generator.hasBoundingInfo ? this._generator.getBoundingInfo().boundingBox.centerWorld : this._generator.position;
                for (var o = 2 * Math.PI / this._sectionPolygonPointsCount, a = 0; a < this._sectionPolygonPointsCount; a++)
                    t.push(r.x + Math.cos(a * o) * this._diameter, r.y + Math.sin(a * o) * this._diameter, r.z);
                for (a = 1; a <= this._length; a++) {
                    for (var s = 0; s < this._sectionPolygonPointsCount; s++)
                        t.push(r.x + Math.cos(s * o) * this._diameter, r.y + Math.sin(s * o) * this._diameter, r.z);
                    var l = t.length / 3 - 2 * this._sectionPolygonPointsCount;
                    for (s = 0; s < this._sectionPolygonPointsCount - 1; s++)
                        n.push(l + s, l + s + this._sectionPolygonPointsCount, l + s + this._sectionPolygonPointsCount + 1),
                        n.push(l + s, l + s + this._sectionPolygonPointsCount + 1, l + s + 1);
                    n.push(l + this._sectionPolygonPointsCount - 1, l + this._sectionPolygonPointsCount - 1 + this._sectionPolygonPointsCount, l + this._sectionPolygonPointsCount),
                    n.push(l + this._sectionPolygonPointsCount - 1, l + this._sectionPolygonPointsCount, l)
                }
                $n.ComputeNormals(t, n, i),
                e.positions = t,
                e.normals = i,
                e.indices = n,
                e.applyToMesh(this, !0),
                this._autoStart && this.start()
            }
            ,
            t.prototype.start = function() {
                var e = this;
                this._running || (this._running = !0,
                this._beforeRenderObserver = this.getScene().onBeforeRenderObservable.add((function() {
                    e.update()
                }
                )))
            }
            ,
            t.prototype.stop = function() {
                this._beforeRenderObserver && this._running && (this._running = !1,
                this.getScene().onBeforeRenderObservable.remove(this._beforeRenderObserver))
            }
            ,
            t.prototype.update = function() {
                var e = this.getVerticesData(Bi.PositionKind)
                  , t = this.getVerticesData(Bi.NormalKind)
                  , i = this._generator.getWorldMatrix();
                if (e && t) {
                    for (var n = 3 * this._sectionPolygonPointsCount; n < e.length; n++)
                        e[n - 3 * this._sectionPolygonPointsCount] = e[n] - t[n] / this._length * this._diameter;
                    for (n = 3 * this._sectionPolygonPointsCount; n < t.length; n++)
                        t[n - 3 * this._sectionPolygonPointsCount] = t[n];
                    var r = e.length - 3 * this._sectionPolygonPointsCount
                      , o = 2 * Math.PI / this._sectionPolygonPointsCount;
                    for (n = 0; n < this._sectionPolygonPointsCount; n++)
                        this._sectionVectors[n].copyFromFloats(Math.cos(n * o) * this._diameter, Math.sin(n * o) * this._diameter, 0),
                        this._sectionNormalVectors[n].copyFromFloats(Math.cos(n * o), Math.sin(n * o), 0),
                        x.TransformCoordinatesToRef(this._sectionVectors[n], i, this._sectionVectors[n]),
                        x.TransformNormalToRef(this._sectionNormalVectors[n], i, this._sectionNormalVectors[n]);
                    for (n = 0; n < this._sectionPolygonPointsCount; n++)
                        e[r + 3 * n] = this._sectionVectors[n].x,
                        e[r + 3 * n + 1] = this._sectionVectors[n].y,
                        e[r + 3 * n + 2] = this._sectionVectors[n].z,
                        t[r + 3 * n] = this._sectionNormalVectors[n].x,
                        t[r + 3 * n + 1] = this._sectionNormalVectors[n].y,
                        t[r + 3 * n + 2] = this._sectionNormalVectors[n].z;
                    this.updateVerticesData(Bi.PositionKind, e, !0, !1),
                    this.updateVerticesData(Bi.NormalKind, t, !0, !1)
                }
            }
            ,
            t.prototype.clone = function(e, i) {
                return void 0 === e && (e = ""),
                new t(e,void 0 === i ? this._generator : i,this.getScene(),this._diameter,this._length,this._autoStart)
            }
            ,
            t.prototype.serialize = function(t) {
                e.prototype.serialize.call(this, t)
            }
            ,
            t.Parse = function(e, i) {
                return new t(e.name,e._generator,i,e._diameter,e._length,e._autoStart)
            }
            ,
            t
        }(Vr);
        function dv(e) {
            var t = e.pattern || Vr.NO_FLIP
              , i = e.tileWidth || e.tileSize || 1
              , n = e.tileHeight || e.tileSize || 1
              , r = e.alignHorizontal || 0
              , o = e.alignVertical || 0
              , a = e.width || e.size || 1
              , s = Math.floor(a / i)
              , l = a - s * i
              , c = e.height || e.size || 1
              , u = Math.floor(c / n)
              , h = c - u * n
              , d = i * s / 2
              , p = n * u / 2
              , f = 0
              , _ = 0
              , m = 0
              , g = 0
              , v = 0
              , y = 0;
            if (l > 0 || h > 0) {
                switch (m = -d,
                g = -p,
                v = d,
                y = p,
                r) {
                case Vr.CENTER:
                    m -= l /= 2,
                    v += l;
                    break;
                case Vr.LEFT:
                    v += l,
                    f = -l / 2;
                    break;
                case Vr.RIGHT:
                    m -= l,
                    f = l / 2
                }
                switch (o) {
                case Vr.CENTER:
                    g -= h /= 2,
                    y += h;
                    break;
                case Vr.BOTTOM:
                    y += h,
                    _ = -h / 2;
                    break;
                case Vr.TOP:
                    g -= h,
                    _ = h / 2
                }
            }
            var b = []
              , T = []
              , E = [];
            E[0] = [0, 0, 1, 0, 1, 1, 0, 1],
            E[1] = [0, 0, 1, 0, 1, 1, 0, 1],
            t !== Vr.ROTATE_TILE && t !== Vr.ROTATE_ROW || (E[1] = [1, 1, 0, 1, 0, 0, 1, 0]),
            t !== Vr.FLIP_TILE && t !== Vr.FLIP_ROW || (E[1] = [1, 0, 0, 0, 0, 1, 1, 1]),
            t !== Vr.FLIP_N_ROTATE_TILE && t !== Vr.FLIP_N_ROTATE_ROW || (E[1] = [0, 1, 1, 1, 1, 0, 0, 0]);
            for (var S = [], A = [], x = [], R = 0, C = 0; C < u; C++)
                for (var P = 0; P < s; P++)
                    b.push(P * i - d + f, C * n - p + _, 0),
                    b.push((P + 1) * i - d + f, C * n - p + _, 0),
                    b.push((P + 1) * i - d + f, (C + 1) * n - p + _, 0),
                    b.push(P * i - d + f, (C + 1) * n - p + _, 0),
                    x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                    S = t === Vr.FLIP_TILE || t === Vr.ROTATE_TILE || t === Vr.FLIP_N_ROTATE_TILE ? S.concat(E[(P % 2 + C % 2) % 2]) : t === Vr.FLIP_ROW || t === Vr.ROTATE_ROW || t === Vr.FLIP_N_ROTATE_ROW ? S.concat(E[C % 2]) : S.concat(E[0]),
                    A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                    T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1),
                    R += 4;
            if (l > 0 || h > 0) {
                var M = h > 0 && (o === Vr.CENTER || o === Vr.TOP)
                  , I = h > 0 && (o === Vr.CENTER || o === Vr.BOTTOM)
                  , O = l > 0 && (r === Vr.CENTER || r === Vr.RIGHT)
                  , D = l > 0 && (r === Vr.CENTER || r === Vr.LEFT)
                  , N = []
                  , L = void 0
                  , F = void 0
                  , w = void 0
                  , B = void 0;
                if (M && O && (b.push(m + f, g + _, 0),
                b.push(-d + f, g + _, 0),
                b.push(-d + f, g + h + _, 0),
                b.push(m + f, g + h + _, 0),
                x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                R += 4,
                N = [L = 1 - l / i, F = 1 - h / n, w = 1, F, w, B = 1, L, B],
                t === Vr.ROTATE_ROW && (N = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                t === Vr.FLIP_ROW && (N = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                t === Vr.FLIP_N_ROTATE_ROW && (N = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                S = S.concat(N),
                A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)),
                M && D && (b.push(d + f, g + _, 0),
                b.push(v + f, g + _, 0),
                b.push(v + f, g + h + _, 0),
                b.push(d + f, g + h + _, 0),
                x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                R += 4,
                N = [L = 0, F = 1 - h / n, w = l / i, F, w, B = 1, L, B],
                (t === Vr.ROTATE_ROW || t === Vr.ROTATE_TILE && s % 2 == 0) && (N = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                (t === Vr.FLIP_ROW || t === Vr.FLIP_TILE && s % 2 == 0) && (N = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                (t === Vr.FLIP_N_ROTATE_ROW || t === Vr.FLIP_N_ROTATE_TILE && s % 2 == 0) && (N = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                S = S.concat(N),
                A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)),
                I && O && (b.push(m + f, p + _, 0),
                b.push(-d + f, p + _, 0),
                b.push(-d + f, y + _, 0),
                b.push(m + f, y + _, 0),
                x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                R += 4,
                N = [L = 1 - l / i, F = 0, w = 1, F, w, B = h / n, L, B],
                (t === Vr.ROTATE_ROW && u % 2 == 1 || t === Vr.ROTATE_TILE && u % 1 == 0) && (N = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                (t === Vr.FLIP_ROW && u % 2 == 1 || t === Vr.FLIP_TILE && u % 2 == 0) && (N = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                (t === Vr.FLIP_N_ROTATE_ROW && u % 2 == 1 || t === Vr.FLIP_N_ROTATE_TILE && u % 2 == 0) && (N = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                S = S.concat(N),
                A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)),
                I && D && (b.push(d + f, p + _, 0),
                b.push(v + f, p + _, 0),
                b.push(v + f, y + _, 0),
                b.push(d + f, y + _, 0),
                x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                R += 4,
                N = [L = 0, F = 0, w = l / i, F, w, B = h / n, L, B],
                (t === Vr.ROTATE_ROW && u % 2 == 1 || t === Vr.ROTATE_TILE && (u + s) % 2 == 1) && (N = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                (t === Vr.FLIP_ROW && u % 2 == 1 || t === Vr.FLIP_TILE && (u + s) % 2 == 1) && (N = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                (t === Vr.FLIP_N_ROTATE_ROW && u % 2 == 1 || t === Vr.FLIP_N_ROTATE_TILE && (u + s) % 2 == 1) && (N = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                S = S.concat(N),
                A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)),
                M) {
                    var U = [];
                    for (L = 0,
                    F = 1 - h / n,
                    w = 1,
                    B = 1,
                    U[0] = [L, F, w, F, w, B, L, B],
                    U[1] = [L, F, w, F, w, B, L, B],
                    t !== Vr.ROTATE_TILE && t !== Vr.ROTATE_ROW || (U[1] = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                    t !== Vr.FLIP_TILE && t !== Vr.FLIP_ROW || (U[1] = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                    t !== Vr.FLIP_N_ROTATE_TILE && t !== Vr.FLIP_N_ROTATE_ROW || (U[1] = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                    P = 0; P < s; P++)
                        b.push(P * i - d + f, g + _, 0),
                        b.push((P + 1) * i - d + f, g + _, 0),
                        b.push((P + 1) * i - d + f, g + h + _, 0),
                        b.push(P * i - d + f, g + h + _, 0),
                        x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                        R += 4,
                        S = t === Vr.FLIP_TILE || t === Vr.ROTATE_TILE || t === Vr.FLIP_N_ROTATE_TILE ? S.concat(U[(P + 1) % 2]) : t === Vr.FLIP_ROW || t === Vr.ROTATE_ROW || t === Vr.FLIP_N_ROTATE_ROW ? S.concat(U[1]) : S.concat(U[0]),
                        A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                        T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)
                }
                if (I) {
                    var V = [];
                    for (L = 0,
                    F = 0,
                    w = 1,
                    B = h / n,
                    V[0] = [L, F, w, F, w, B, L, B],
                    V[1] = [L, F, w, F, w, B, L, B],
                    t !== Vr.ROTATE_TILE && t !== Vr.ROTATE_ROW || (V[1] = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                    t !== Vr.FLIP_TILE && t !== Vr.FLIP_ROW || (V[1] = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                    t !== Vr.FLIP_N_ROTATE_TILE && t !== Vr.FLIP_N_ROTATE_ROW || (V[1] = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                    P = 0; P < s; P++)
                        b.push(P * i - d + f, y - h + _, 0),
                        b.push((P + 1) * i - d + f, y - h + _, 0),
                        b.push((P + 1) * i - d + f, y + _, 0),
                        b.push(P * i - d + f, y + _, 0),
                        x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                        R += 4,
                        S = t === Vr.FLIP_TILE || t === Vr.ROTATE_TILE || t === Vr.FLIP_N_ROTATE_TILE ? S.concat(V[(P + u) % 2]) : t === Vr.FLIP_ROW || t === Vr.ROTATE_ROW || t === Vr.FLIP_N_ROTATE_ROW ? S.concat(V[u % 2]) : S.concat(V[0]),
                        A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                        T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)
                }
                if (O) {
                    var k = [];
                    for (L = 1 - l / i,
                    F = 0,
                    w = 1,
                    B = 1,
                    k[0] = [L, F, w, F, w, B, L, B],
                    k[1] = [L, F, w, F, w, B, L, B],
                    t !== Vr.ROTATE_TILE && t !== Vr.ROTATE_ROW || (k[1] = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                    t !== Vr.FLIP_TILE && t !== Vr.FLIP_ROW || (k[1] = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                    t !== Vr.FLIP_N_ROTATE_TILE && t !== Vr.FLIP_N_ROTATE_ROW || (k[1] = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                    C = 0; C < u; C++)
                        b.push(m + f, C * n - p + _, 0),
                        b.push(m + l + f, C * n - p + _, 0),
                        b.push(m + l + f, (C + 1) * n - p + _, 0),
                        b.push(m + f, (C + 1) * n - p + _, 0),
                        x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                        R += 4,
                        S = t === Vr.FLIP_TILE || t === Vr.ROTATE_TILE || t === Vr.FLIP_N_ROTATE_TILE ? S.concat(k[(C + 1) % 2]) : t === Vr.FLIP_ROW || t === Vr.ROTATE_ROW || t === Vr.FLIP_N_ROTATE_ROW ? S.concat(k[C % 2]) : S.concat(k[0]),
                        A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                        T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)
                }
                if (D) {
                    var G = [];
                    for (L = 0,
                    F = 0,
                    w = l / n,
                    B = 1,
                    G[0] = [L, F, w, F, w, B, L, B],
                    G[1] = [L, F, w, F, w, B, L, B],
                    t !== Vr.ROTATE_TILE && t !== Vr.ROTATE_ROW || (G[1] = [1 - L, 1 - F, 1 - w, 1 - F, 1 - w, 1 - B, 1 - L, 1 - B]),
                    t !== Vr.FLIP_TILE && t !== Vr.FLIP_ROW || (G[1] = [1 - L, F, 1 - w, F, 1 - w, B, 1 - L, B]),
                    t !== Vr.FLIP_N_ROTATE_TILE && t !== Vr.FLIP_N_ROTATE_ROW || (G[1] = [L, 1 - F, w, 1 - F, w, 1 - B, L, 1 - B]),
                    C = 0; C < u; C++)
                        b.push(v - l + f, C * n - p + _, 0),
                        b.push(v + f, C * n - p + _, 0),
                        b.push(v + f, (C + 1) * n - p + _, 0),
                        b.push(v - l + f, (C + 1) * n - p + _, 0),
                        x.push(R, R + 1, R + 3, R + 1, R + 2, R + 3),
                        R += 4,
                        S = t === Vr.FLIP_TILE || t === Vr.ROTATE_TILE || t === Vr.FLIP_N_ROTATE_TILE ? S.concat(G[(C + s) % 2]) : t === Vr.FLIP_ROW || t === Vr.ROTATE_ROW || t === Vr.FLIP_N_ROTATE_ROW ? S.concat(G[C % 2]) : S.concat(G[0]),
                        A.push(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
                        T.push(0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1)
                }
            }
            var z = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE;
            $n._ComputeSides(z, b, x, T, S, e.frontUVs, e.backUVs);
            var W = new $n;
            W.indices = x,
            W.positions = b,
            W.normals = T,
            W.uvs = S;
            var H = z === $n.DOUBLESIDE ? A.concat(A) : A;
            return W.colors = H,
            W
        }
        function pv(e, t, i) {
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            dv(t).applyToMesh(n, t.updatable),
            n
        }
        var fv = {
            CreateTiledPlane: pv
        };
        function _v(e) {
            for (var t = e.faceUV || new Array(6), i = e.faceColors, n = e.pattern || Vr.NO_FLIP, r = e.width || e.size || 1, o = e.height || e.size || 1, a = e.depth || e.size || 1, s = e.tileWidth || e.tileSize || 1, l = e.tileHeight || e.tileSize || 1, c = e.alignHorizontal || 0, u = e.alignVertical || 0, h = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, d = 0; d < 6; d++)
                void 0 === t[d] && (t[d] = new R(0,0,1,1)),
                i && void 0 === i[d] && (i[d] = new N(1,1,1,1));
            var p = r / 2
              , f = o / 2
              , _ = a / 2
              , m = [];
            for (d = 0; d < 2; d++)
                m[d] = dv({
                    pattern: n,
                    tileWidth: s,
                    tileHeight: l,
                    width: r,
                    height: o,
                    alignVertical: u,
                    alignHorizontal: c,
                    sideOrientation: h
                });
            for (d = 2; d < 4; d++)
                m[d] = dv({
                    pattern: n,
                    tileWidth: s,
                    tileHeight: l,
                    width: a,
                    height: o,
                    alignVertical: u,
                    alignHorizontal: c,
                    sideOrientation: h
                });
            var g = u;
            for (u === Vr.BOTTOM ? g = Vr.TOP : u === Vr.TOP && (g = Vr.BOTTOM),
            d = 4; d < 6; d++)
                m[d] = dv({
                    pattern: n,
                    tileWidth: s,
                    tileHeight: l,
                    width: r,
                    height: a,
                    alignVertical: g,
                    alignHorizontal: c,
                    sideOrientation: h
                });
            var v = []
              , y = []
              , b = []
              , T = []
              , E = []
              , S = []
              , A = []
              , C = []
              , M = 0
              , I = 0;
            for (d = 0; d < 6; d++) {
                var O = m[d].positions.length;
                S[d] = [],
                A[d] = [];
                for (var D = 0; D < O / 3; D++)
                    S[d].push(new x(m[d].positions[3 * D],m[d].positions[3 * D + 1],m[d].positions[3 * D + 2])),
                    A[d].push(new x(m[d].normals[3 * D],m[d].normals[3 * D + 1],m[d].normals[3 * D + 2]));
                M = m[d].uvs.length,
                C[d] = [];
                for (var L = 0; L < M; L += 2)
                    C[d][L] = t[d].x + (t[d].z - t[d].x) * m[d].uvs[L],
                    C[d][L + 1] = t[d].y + (t[d].w - t[d].y) * m[d].uvs[L + 1],
                    pr.UseOpenGLOrientationForUV && (C[d][L + 1] = 1 - C[d][L + 1]);
                if (b = b.concat(C[d]),
                T = T.concat(m[d].indices.map((function(e) {
                    return e + I
                }
                ))),
                I += S[d].length,
                i)
                    for (var F = 0; F < 4; F++)
                        E.push(i[d].r, i[d].g, i[d].b, i[d].a)
            }
            var w = new x(0,0,_)
              , B = P.RotationY(Math.PI);
            v = S[0].map((function(e) {
                return x.TransformNormal(e, B).add(w)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []),
            y = A[0].map((function(e) {
                return x.TransformNormal(e, B)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []),
            v = v.concat(S[1].map((function(e) {
                return e.subtract(w)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            y = y.concat(A[1].map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []));
            var U = new x(p,0,0)
              , V = P.RotationY(-Math.PI / 2);
            v = v.concat(S[2].map((function(e) {
                return x.TransformNormal(e, V).add(U)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            y = y.concat(A[2].map((function(e) {
                return x.TransformNormal(e, V)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []));
            var k = P.RotationY(Math.PI / 2);
            v = v.concat(S[3].map((function(e) {
                return x.TransformNormal(e, k).subtract(U)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            y = y.concat(A[3].map((function(e) {
                return x.TransformNormal(e, k)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []));
            var G = new x(0,f,0)
              , z = P.RotationX(Math.PI / 2);
            v = v.concat(S[4].map((function(e) {
                return x.TransformNormal(e, z).add(G)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            y = y.concat(A[4].map((function(e) {
                return x.TransformNormal(e, z)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), []));
            var W = P.RotationX(-Math.PI / 2);
            v = v.concat(S[5].map((function(e) {
                return x.TransformNormal(e, W).subtract(G)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            y = y.concat(A[5].map((function(e) {
                return x.TransformNormal(e, W)
            }
            )).map((function(e) {
                return [e.x, e.y, e.z]
            }
            )).reduce((function(e, t) {
                return e.concat(t)
            }
            ), [])),
            $n._ComputeSides(h, v, T, y, b);
            var H = new $n;
            if (H.indices = T,
            H.positions = v,
            H.normals = y,
            H.uvs = b,
            i) {
                var X = h === $n.DOUBLESIDE ? E.concat(E) : E;
                H.colors = X
            }
            return H
        }
        function mv(e, t, i) {
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            _v(t).applyToMesh(n, t.updatable),
            n
        }
        $n.CreateTiledPlane = dv;
        var gv = {
            CreateTiledBox: mv
        };
        function vv(e) {
            var t, i, n = new Array, r = new Array, o = new Array, a = new Array, s = e.radius || 2, l = e.tube || .5, c = e.radialSegments || 32, u = e.tubularSegments || 32, h = e.p || 2, d = e.q || 3, p = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, f = function(e) {
                var t = Math.cos(e)
                  , i = Math.sin(e)
                  , n = d / h * e
                  , r = Math.cos(n)
                  , o = s * (2 + r) * .5 * t
                  , a = s * (2 + r) * i * .5
                  , l = s * Math.sin(n) * .5;
                return new x(o,a,l)
            };
            for (t = 0; t <= c; t++) {
                var _ = t % c / c * 2 * h * Math.PI
                  , m = f(_)
                  , g = f(_ + .01)
                  , v = g.subtract(m)
                  , y = g.add(m)
                  , b = x.Cross(v, y);
                for (y = x.Cross(b, v),
                b.normalize(),
                y.normalize(),
                i = 0; i < u; i++) {
                    var T = i % u / u * 2 * Math.PI
                      , E = -l * Math.cos(T)
                      , S = l * Math.sin(T);
                    r.push(m.x + E * y.x + S * b.x),
                    r.push(m.y + E * y.y + S * b.y),
                    r.push(m.z + E * y.z + S * b.z),
                    a.push(t / c),
                    a.push(pr.UseOpenGLOrientationForUV ? 1 - i / u : i / u)
                }
            }
            for (t = 0; t < c; t++)
                for (i = 0; i < u; i++) {
                    var A = (i + 1) % u
                      , R = t * u + i
                      , C = (t + 1) * u + i
                      , P = (t + 1) * u + A
                      , M = t * u + A;
                    n.push(M),
                    n.push(C),
                    n.push(R),
                    n.push(M),
                    n.push(P),
                    n.push(C)
                }
            $n.ComputeNormals(r, n, o),
            $n._ComputeSides(p, r, n, o, a, e.frontUVs, e.backUVs);
            var I = new $n;
            return I.indices = n,
            I.positions = r,
            I.normals = o,
            I.uvs = a,
            I
        }
        function yv(e, t, i) {
            void 0 === t && (t = {});
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            vv(t).applyToMesh(n, t.updatable),
            n
        }
        $n.CreateTiledBox = _v;
        var bv = {
            CreateTorusKnot: yv
        };
        $n.CreateTorusKnot = vv,
        Vr.CreateTorusKnot = function(e, t, i, n, r, o, a, s, l, c) {
            return yv(e, {
                radius: t,
                tube: i,
                radialSegments: n,
                tubularSegments: r,
                p: o,
                q: a,
                sideOrientation: c,
                updatable: l
            }, s)
        }
        ;
        var Tv = function(e) {
            function t(t, i) {
                var n = e.call(this, t.x, t.y) || this;
                return n.index = i,
                n
            }
            return U(t, e),
            t
        }(A)
          , Ev = function() {
            function e() {
                this.elements = new Array
            }
            return e.prototype.add = function(e) {
                var t = this
                  , i = new Array;
                return e.forEach((function(e) {
                    var n = new Tv(e,t.elements.length);
                    i.push(n),
                    t.elements.push(n)
                }
                )),
                i
            }
            ,
            e.prototype.computeBounds = function() {
                var e = new A(this.elements[0].x,this.elements[0].y)
                  , t = new A(this.elements[0].x,this.elements[0].y);
                return this.elements.forEach((function(i) {
                    i.x < e.x ? e.x = i.x : i.x > t.x && (t.x = i.x),
                    i.y < e.y ? e.y = i.y : i.y > t.y && (t.y = i.y)
                }
                )),
                {
                    min: e,
                    max: t,
                    width: t.x - e.x,
                    height: t.y - e.y
                }
            }
            ,
            e
        }()
          , Sv = function() {
            function e() {}
            return e.Rectangle = function(e, t, i, n) {
                return [new A(e,t), new A(i,t), new A(i,n), new A(e,n)]
            }
            ,
            e.Circle = function(e, t, i, n) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 32);
                for (var r = new Array, o = 0, a = 2 * Math.PI / n, s = 0; s < n; s++)
                    r.push(new A(t + Math.cos(o) * e,i + Math.sin(o) * e)),
                    o -= a;
                return r
            }
            ,
            e.Parse = function(e) {
                var t, i = e.split(/[^-+eE.\d]+/).map(parseFloat).filter((function(e) {
                    return !isNaN(e)
                }
                )), n = [];
                for (t = 0; t < (2147483646 & i.length); t += 2)
                    n.push(new A(i[t],i[t + 1]));
                return n
            }
            ,
            e.StartingAt = function(e, t) {
                return Rn.StartingAt(e, t)
            }
            ,
            e
        }()
          , Av = function() {
            function e(e, t, i, n) {
                var r;
                void 0 === n && (n = earcut),
                this._points = new Ev,
                this._outlinepoints = new Ev,
                this._holes = new Array,
                this._epoints = new Array,
                this._eholes = new Array,
                this.bjsEarcut = n,
                this._name = e,
                this._scene = i || E.LastCreatedScene,
                r = t instanceof Rn ? t.getPoints() : t,
                this._addToepoint(r),
                this._points.add(r),
                this._outlinepoints.add(r),
                void 0 === this.bjsEarcut && K.Warn("Earcut was not found, the polygon will not be built.")
            }
            return e.prototype._addToepoint = function(e) {
                for (var t = 0, i = e; t < i.length; t++) {
                    var n = i[t];
                    this._epoints.push(n.x, n.y)
                }
            }
            ,
            e.prototype.addHole = function(e) {
                this._points.add(e);
                var t = new Ev;
                return t.add(e),
                this._holes.push(t),
                this._eholes.push(this._epoints.length / 2),
                this._addToepoint(e),
                this
            }
            ,
            e.prototype.build = function(e, t, i) {
                void 0 === e && (e = !1),
                void 0 === t && (t = 0),
                void 0 === i && (i = 2);
                var n = new Vr(this._name,this._scene)
                  , r = this.buildVertexData(t, i);
                return n.setVerticesData(Bi.PositionKind, r.positions, e),
                n.setVerticesData(Bi.NormalKind, r.normals, e),
                n.setVerticesData(Bi.UVKind, r.uvs, e),
                n.setIndices(r.indices),
                n
            }
            ,
            e.prototype.buildVertexData = function(e, t) {
                var i = this;
                void 0 === e && (e = 0),
                void 0 === t && (t = 2);
                var n = new $n
                  , r = new Array
                  , o = new Array
                  , a = new Array
                  , s = this._points.computeBounds();
                this._points.elements.forEach((function(e) {
                    r.push(0, 1, 0),
                    o.push(e.x, 0, e.y),
                    a.push((e.x - s.min.x) / s.width, (e.y - s.min.y) / s.height)
                }
                ));
                for (var l = new Array, c = this.bjsEarcut(this._epoints, this._eholes, 2), u = 0; u < c.length; u++)
                    l.push(c[u]);
                if (e > 0) {
                    var h = o.length / 3;
                    this._points.elements.forEach((function(t) {
                        r.push(0, -1, 0),
                        o.push(t.x, -e, t.y),
                        a.push(1 - (t.x - s.min.x) / s.width, 1 - (t.y - s.min.y) / s.height)
                    }
                    ));
                    var d = l.length;
                    for (u = 0; u < d; u += 3) {
                        var p = l[u + 0]
                          , f = l[u + 1]
                          , _ = l[u + 2];
                        l.push(_ + h),
                        l.push(f + h),
                        l.push(p + h)
                    }
                    this._addSide(o, r, a, l, s, this._outlinepoints, e, !1, t),
                    this._holes.forEach((function(n) {
                        i._addSide(o, r, a, l, s, n, e, !0, t)
                    }
                    ))
                }
                return n.indices = l,
                n.positions = o,
                n.normals = r,
                n.uvs = a,
                n
            }
            ,
            e.prototype._addSide = function(e, t, i, n, r, o, a, s, l) {
                for (var c = e.length / 3, u = 0, h = 0; h < o.elements.length; h++) {
                    var d = o.elements[h]
                      , p = o.elements[(h + 1) % o.elements.length];
                    e.push(d.x, 0, d.y),
                    e.push(d.x, -a, d.y),
                    e.push(p.x, 0, p.y),
                    e.push(p.x, -a, p.y);
                    var f = o.elements[(h + o.elements.length - 1) % o.elements.length]
                      , _ = o.elements[(h + 2) % o.elements.length]
                      , g = new x(-(p.y - d.y),0,p.x - d.x)
                      , v = new x(-(d.y - f.y),0,d.x - f.x)
                      , y = new x(-(_.y - p.y),0,_.x - p.x);
                    s || (g = g.scale(-1),
                    v = v.scale(-1),
                    y = y.scale(-1));
                    var b = g.normalizeToNew()
                      , T = v.normalizeToNew()
                      , E = y.normalizeToNew()
                      , S = x.Dot(T, b);
                    T = S > l ? S < m - 1 ? new x(d.x,0,d.y).subtract(new x(p.x,0,p.y)).normalize() : v.add(g).normalize() : b;
                    var A = x.Dot(y, g);
                    E = A > l ? A < m - 1 ? new x(p.x,0,p.y).subtract(new x(d.x,0,d.y)).normalize() : y.add(g).normalize() : b,
                    i.push(u / r.width, 0),
                    i.push(u / r.width, 1),
                    u += g.length(),
                    i.push(u / r.width, 0),
                    i.push(u / r.width, 1),
                    t.push(T.x, T.y, T.z),
                    t.push(T.x, T.y, T.z),
                    t.push(E.x, E.y, E.z),
                    t.push(E.x, E.y, E.z),
                    s ? (n.push(c),
                    n.push(c + 2),
                    n.push(c + 1),
                    n.push(c + 1),
                    n.push(c + 2),
                    n.push(c + 3)) : (n.push(c),
                    n.push(c + 1),
                    n.push(c + 2),
                    n.push(c + 1),
                    n.push(c + 3),
                    n.push(c + 2)),
                    c += 4
                }
            }
            ,
            e
        }();
        function xv(e, t, i, n, r, o, a) {
            for (var s = i || new Array(3), l = n, c = [], u = a || !1, h = 0; h < 3; h++)
                void 0 === s[h] && (s[h] = new R(0,0,1,1)),
                l && void 0 === l[h] && (l[h] = new N(1,1,1,1));
            var d = e.getVerticesData(Bi.PositionKind)
              , p = e.getVerticesData(Bi.NormalKind)
              , f = e.getVerticesData(Bi.UVKind)
              , _ = e.getIndices()
              , m = d.length / 9
              , g = 0
              , v = 0
              , y = 0
              , b = 0
              , T = [0];
            if (u)
                for (var E = m; E < d.length / 3; E += 4)
                    v = d[3 * (E + 2)] - d[3 * E],
                    y = d[3 * (E + 2) + 2] - d[3 * E + 2],
                    b += Math.sqrt(v * v + y * y),
                    T.push(b);
            for (var S = 0, A = 0, x = 0; x < p.length; x += 3)
                Math.abs(p[x + 1]) < .001 && (A = 1),
                Math.abs(p[x + 1] - 1) < .001 && (A = 0),
                Math.abs(p[x + 1] + 1) < .001 && (A = 2),
                S = x / 3,
                1 === A ? (g = S - m,
                f[2 * S] = g % 4 < 1.5 ? u ? s[A].x + (s[A].z - s[A].x) * T[Math.floor(g / 4)] / b : s[A].x : u ? s[A].x + (s[A].z - s[A].x) * T[Math.floor(g / 4) + 1] / b : s[A].z,
                f[2 * S + 1] = g % 2 == 0 ? pr.UseOpenGLOrientationForUV ? 1 - s[A].w : s[A].w : pr.UseOpenGLOrientationForUV ? 1 - s[A].y : s[A].y) : (f[2 * S] = (1 - f[2 * S]) * s[A].x + f[2 * S] * s[A].z,
                f[2 * S + 1] = (1 - f[2 * S + 1]) * s[A].y + f[2 * S + 1] * s[A].w,
                pr.UseOpenGLOrientationForUV && (f[2 * S + 1] = 1 - f[2 * S + 1])),
                l && c.push(l[A].r, l[A].g, l[A].b, l[A].a);
            $n._ComputeSides(t, d, _, p, f, r, o);
            var C = new $n;
            if (C.indices = _,
            C.positions = d,
            C.normals = p,
            C.uvs = f,
            l) {
                var P = t === $n.DOUBLESIDE ? c.concat(c) : c;
                C.colors = P
            }
            return C
        }
        function Rv(e, t, i, n) {
            void 0 === i && (i = null),
            void 0 === n && (n = earcut),
            t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation);
            for (var r = t.shape, o = t.holes || [], a = t.depth || 0, s = t.smoothingThreshold || 2, l = [], c = [], u = 0; u < r.length; u++)
                l[u] = new A(r[u].x,r[u].z);
            l[0].equalsWithEpsilon(l[l.length - 1], 1e-8) && l.pop();
            for (var h = new Av(e,l,i || E.LastCreatedScene,n), d = 0; d < o.length; d++) {
                c = [];
                for (var p = 0; p < o[d].length; p++)
                    c.push(new A(o[d][p].x,o[d][p].z));
                h.addHole(c)
            }
            var f = h.build(!1, a, s);
            return f._originalBuilderSideOrientation = t.sideOrientation,
            xv(f, t.sideOrientation, t.faceUV, t.faceColors, t.frontUVs, t.backUVs, t.wrap).applyToMesh(f, t.updatable),
            f
        }
        function Cv(e, t, i, n) {
            return void 0 === i && (i = null),
            void 0 === n && (n = earcut),
            Rv(e, t, i, n)
        }
        var Pv = {
            ExtrudePolygon: Cv,
            CreatePolygon: Rv
        };
        function Mv(e, t, i) {
            void 0 === i && (i = null);
            var n, r, o = t.arc ? t.arc <= 0 || t.arc > 1 ? 1 : t.arc : 1, a = void 0 === t.closed || t.closed, s = t.shape, l = t.radius || 1, c = t.tessellation || 64, u = t.clip || 0, h = t.updatable, d = Vr._GetDefaultSideOrientation(t.sideOrientation), p = t.cap || Vr.NO_CAP, f = 2 * Math.PI, _ = new Array, m = t.invertUV || !1, g = 0, v = 0, y = f / c * o;
            for (g = 0; g <= c - u; g++) {
                for (r = [],
                p != Vr.CAP_START && p != Vr.CAP_ALL || (r.push(new x(0,s[0].y,0)),
                r.push(new x(Math.cos(g * y) * s[0].x * l,s[0].y,Math.sin(g * y) * s[0].x * l))),
                v = 0; v < s.length; v++)
                    n = new x(Math.cos(g * y) * s[v].x * l,s[v].y,Math.sin(g * y) * s[v].x * l),
                    r.push(n);
                p != Vr.CAP_END && p != Vr.CAP_ALL || (r.push(new x(Math.cos(g * y) * s[s.length - 1].x * l,s[s.length - 1].y,Math.sin(g * y) * s[s.length - 1].x * l)),
                r.push(new x(0,s[s.length - 1].y,0))),
                _.push(r)
            }
            return nc(e, {
                pathArray: _,
                closeArray: a,
                sideOrientation: d,
                updatable: h,
                invertUV: m,
                frontUVs: t.frontUVs,
                backUVs: t.backUVs
            }, i)
        }
        $n.CreatePolygon = xv,
        Vr.CreatePolygon = function(e, t, i, n, r, o, a) {
            return void 0 === a && (a = earcut),
            Rv(e, {
                shape: t,
                holes: n,
                updatable: r,
                sideOrientation: o
            }, i, a)
        }
        ,
        Vr.ExtrudePolygon = function(e, t, i, n, r, o, a, s) {
            return void 0 === s && (s = earcut),
            Cv(e, {
                shape: t,
                holes: r,
                depth: i,
                updatable: o,
                sideOrientation: a
            }, n, s)
        }
        ;
        var Iv = {
            CreateLathe: Mv
        };
        function Ov(e, t, i) {
            void 0 === i && (i = null);
            var n = t.path
              , r = t.instance
              , o = 1;
            void 0 !== t.radius ? o = t.radius : r && (o = r._creationDataStorage.radius);
            var a = t.tessellation || 64
              , s = t.radiusFunction || null
              , l = t.cap || Vr.NO_CAP
              , c = t.invertUV || !1
              , u = t.updatable
              , h = Vr._GetDefaultSideOrientation(t.sideOrientation);
            t.arc = t.arc && (t.arc <= 0 || t.arc > 1) ? 1 : t.arc || 1;
            var d, p, f = function(e, t, i, n, r, o, a, s) {
                for (var l, c, u, h, d = t.getTangents(), p = t.getNormals(), f = t.getDistances(), _ = 2 * Math.PI / r * s, m = o || function() {
                    return n
                }
                , g = I.Matrix[0], v = a === Vr.NO_CAP || a === Vr.CAP_END ? 0 : 2, y = 0; y < e.length; y++) {
                    c = m(y, f[y]),
                    l = Array(),
                    u = p[y];
                    for (var b = 0; b < r; b++)
                        P.RotationAxisToRef(d[y], _ * b, g),
                        h = l[b] ? l[b] : x.Zero(),
                        x.TransformCoordinatesToRef(u, g, h),
                        h.scaleInPlace(c).addInPlace(e[y]),
                        l[b] = h;
                    i[v] = l,
                    v++
                }
                var T = function(t, i) {
                    for (var n = Array(), r = 0; r < t; r++)
                        n.push(e[i]);
                    return n
                };
                switch (a) {
                case Vr.NO_CAP:
                    break;
                case Vr.CAP_START:
                    i[0] = T(r, 0),
                    i[1] = i[2].slice(0);
                    break;
                case Vr.CAP_END:
                    i[v] = i[v - 1].slice(0),
                    i[v + 1] = T(r, e.length - 1);
                    break;
                case Vr.CAP_ALL:
                    i[0] = T(r, 0),
                    i[1] = i[2].slice(0),
                    i[v] = i[v - 1].slice(0),
                    i[v + 1] = T(r, e.length - 1)
                }
                return i
            };
            if (r) {
                var _ = r._creationDataStorage
                  , m = t.arc || _.arc;
                return r = nc("", {
                    pathArray: p = f(n, d = _.path3D.update(n), _.pathArray, o, _.tessellation, s, _.cap, m),
                    instance: r
                }),
                _.path3D = d,
                _.pathArray = p,
                _.arc = m,
                _.radius = o,
                r
            }
            l = l < 0 || l > 3 ? 0 : l;
            var g = nc(e, {
                pathArray: p = f(n, d = new Cn(n), new Array, o, a, s, l, t.arc),
                closePath: !0,
                closeArray: !1,
                updatable: u,
                sideOrientation: h,
                invertUV: c,
                frontUVs: t.frontUVs,
                backUVs: t.backUVs
            }, i);
            return g._creationDataStorage.pathArray = p,
            g._creationDataStorage.path3D = d,
            g._creationDataStorage.tessellation = a,
            g._creationDataStorage.cap = l,
            g._creationDataStorage.arc = t.arc,
            g._creationDataStorage.radius = o,
            g
        }
        Vr.CreateLathe = function(e, t, i, n, r, o, a) {
            return Mv(e, {
                shape: t,
                radius: i,
                tessellation: n,
                sideOrientation: a,
                updatable: o
            }, r)
        }
        ;
        var Dv = {
            CreateTube: Ov
        };
        function Nv(e) {
            var t, i = e.sideOrientation || $n.DEFAULTSIDE, n = e.radius || 1, r = void 0 === e.flat || e.flat, o = e.subdivisions || 4, a = e.radiusX || n, s = e.radiusY || n, l = e.radiusZ || n, c = (1 + Math.sqrt(5)) / 2, u = [-1, c, -0, 1, c, 0, -1, -c, 0, 1, -c, 0, 0, -1, -c, 0, 1, -c, 0, -1, c, 0, 1, c, c, 0, 1, c, 0, -1, -c, 0, 1, -c, 0, -1], h = [0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 12, 22, 23, 1, 5, 20, 5, 11, 4, 23, 22, 13, 22, 18, 6, 7, 1, 8, 14, 21, 4, 14, 4, 2, 16, 13, 6, 15, 6, 19, 3, 8, 9, 4, 21, 5, 13, 17, 23, 6, 13, 22, 19, 6, 18, 9, 8, 1], d = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 2, 3, 3, 3, 4, 7, 8, 9, 9, 10, 11], p = [5, 1, 3, 1, 6, 4, 0, 0, 5, 3, 4, 2, 2, 2, 4, 0, 2, 0, 1, 1, 6, 0, 6, 2, 0, 4, 3, 3, 4, 4, 3, 1, 4, 2, 4, 4, 0, 2, 1, 1, 2, 2, 3, 3, 1, 3, 2, 4], f = [0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0], _ = new Array, m = new Array, g = new Array, v = new Array, y = 0, b = new Array(3), T = new Array(3);
            for (t = 0; t < 3; t++)
                b[t] = x.Zero(),
                T[t] = A.Zero();
            for (var E = 0; E < 20; E++) {
                for (t = 0; t < 3; t++) {
                    var S = h[3 * E + t];
                    b[t].copyFromFloats(u[3 * d[S]], u[3 * d[S] + 1], u[3 * d[S] + 2]),
                    b[t].normalize().scaleInPlace(n),
                    T[t].copyFromFloats(.134765625 * p[2 * S] + .05859375 + -.0390625 * f[E], .2333984375 * p[2 * S + 1] + .025390625 + .01953125 * f[E])
                }
                for (var R = function(e, t, i, n) {
                    var c, u = x.Lerp(b[0], b[2], t / o), h = x.Lerp(b[1], b[2], t / o), d = o === t ? b[2] : x.Lerp(u, h, e / (o - t));
                    if (d.normalize(),
                    r) {
                        var p = x.Lerp(b[0], b[2], n / o)
                          , f = x.Lerp(b[1], b[2], n / o);
                        c = x.Lerp(p, f, i / (o - n))
                    } else
                        c = new x(d.x,d.y,d.z);
                    c.x /= a,
                    c.y /= s,
                    c.z /= l,
                    c.normalize();
                    var E = A.Lerp(T[0], T[2], t / o)
                      , S = A.Lerp(T[1], T[2], t / o)
                      , R = o === t ? T[2] : A.Lerp(E, S, e / (o - t));
                    m.push(d.x * a, d.y * s, d.z * l),
                    g.push(c.x, c.y, c.z),
                    v.push(R.x, pr.UseOpenGLOrientationForUV ? 1 - R.y : R.y),
                    _.push(y),
                    y++
                }, C = 0; C < o; C++)
                    for (var P = 0; P + C < o; P++)
                        R(P, C, P + 1 / 3, C + 1 / 3),
                        R(P + 1, C, P + 1 / 3, C + 1 / 3),
                        R(P, C + 1, P + 1 / 3, C + 1 / 3),
                        P + C + 1 < o && (R(P + 1, C, P + 2 / 3, C + 2 / 3),
                        R(P + 1, C + 1, P + 2 / 3, C + 2 / 3),
                        R(P, C + 1, P + 2 / 3, C + 2 / 3))
            }
            $n._ComputeSides(i, m, _, g, v, e.frontUVs, e.backUVs);
            var M = new $n;
            return M.indices = _,
            M.positions = m,
            M.normals = g,
            M.uvs = v,
            M
        }
        function Lv(e, t, i) {
            void 0 === t && (t = {}),
            void 0 === i && (i = null);
            var n = new Vr(e,i);
            return t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            n._originalBuilderSideOrientation = t.sideOrientation,
            Nv(t).applyToMesh(n, t.updatable),
            n
        }
        Vr.CreateTube = function(e, t, i, n, r, o, a, s, l, c) {
            return Ov(e, {
                path: t,
                radius: i,
                tessellation: n,
                radiusFunction: r,
                arc: 1,
                cap: o,
                updatable: s,
                sideOrientation: l,
                instance: c
            }, a)
        }
        ;
        var Fv = {
            CreateIcoSphere: Lv
        };
        function wv(e, t, i) {
            var n = t.getIndices()
              , r = t.getVerticesData(Bi.PositionKind)
              , o = t.getVerticesData(Bi.NormalKind)
              , a = t.getVerticesData(Bi.UVKind)
              , s = i.position || x.Zero()
              , l = i.normal || x.Up()
              , c = i.size || x.One()
              , u = i.angle || 0;
            if (!l) {
                var h = new x(0,0,1)
                  , d = t.getScene().activeCamera
                  , p = x.TransformCoordinates(h, d.getWorldMatrix());
                l = d.globalPosition.subtract(p)
            }
            var f = -Math.atan2(l.z, l.x) - Math.PI / 2
              , _ = Math.sqrt(l.x * l.x + l.z * l.z)
              , m = Math.atan2(l.y, _)
              , g = P.RotationYawPitchRoll(f, m, u).multiply(P.Translation(s.x, s.y, s.z))
              , v = P.Invert(g)
              , y = t.getWorldMatrix().multiply(v)
              , b = new $n;
            b.indices = [],
            b.positions = [],
            b.normals = [],
            b.uvs = [];
            for (var T = 0, E = function(e) {
                var t = new Ec;
                if (!n || !r || !o)
                    return t;
                var s = n[e];
                if (t.position = new x(r[3 * s],r[3 * s + 1],r[3 * s + 2]),
                t.position = x.TransformCoordinates(t.position, y),
                t.normal = new x(o[3 * s],o[3 * s + 1],o[3 * s + 2]),
                t.normal = x.TransformNormal(t.normal, y),
                i.captureUVS && a) {
                    var l = a[2 * s + 1];
                    t.uv = new A(a[2 * s],pr.UseOpenGLOrientationForUV ? 1 - l : l)
                }
                return t
            }, S = function(e, t) {
                if (0 === e.length)
                    return e;
                for (var i = .5 * Math.abs(x.Dot(c, t)), n = function(e, n) {
                    var r = x.GetClipFactor(e.position, n.position, t, i);
                    return new Ec(x.Lerp(e.position, n.position, r),x.Lerp(e.normal, n.normal, r))
                }, r = new Array, o = 0; o < e.length; o += 3) {
                    var a = null
                      , s = null
                      , l = null
                      , u = null
                      , h = x.Dot(e[o].position, t) - i > 0
                      , d = x.Dot(e[o + 1].position, t) - i > 0
                      , p = x.Dot(e[o + 2].position, t) - i > 0;
                    switch ((h ? 1 : 0) + (d ? 1 : 0) + (p ? 1 : 0)) {
                    case 0:
                        r.push(e[o]),
                        r.push(e[o + 1]),
                        r.push(e[o + 2]);
                        break;
                    case 1:
                        if (h && (a = e[o + 1],
                        s = e[o + 2],
                        l = n(e[o], a),
                        u = n(e[o], s)),
                        d) {
                            a = e[o],
                            s = e[o + 2],
                            l = n(e[o + 1], a),
                            u = n(e[o + 1], s),
                            r.push(l),
                            r.push(s.clone()),
                            r.push(a.clone()),
                            r.push(s.clone()),
                            r.push(l.clone()),
                            r.push(u);
                            break
                        }
                        p && (a = e[o],
                        s = e[o + 1],
                        l = n(e[o + 2], a),
                        u = n(e[o + 2], s)),
                        a && s && l && u && (r.push(a.clone()),
                        r.push(s.clone()),
                        r.push(l),
                        r.push(u),
                        r.push(l.clone()),
                        r.push(s.clone()));
                        break;
                    case 2:
                        h || (s = n(a = e[o].clone(), e[o + 1]),
                        l = n(a, e[o + 2]),
                        r.push(a),
                        r.push(s),
                        r.push(l)),
                        d || (s = n(a = e[o + 1].clone(), e[o + 2]),
                        l = n(a, e[o]),
                        r.push(a),
                        r.push(s),
                        r.push(l)),
                        p || (s = n(a = e[o + 2].clone(), e[o]),
                        l = n(a, e[o + 1]),
                        r.push(a),
                        r.push(s),
                        r.push(l))
                    }
                }
                return r
            }, R = 0; R < n.length; R += 3) {
                var C = new Array;
                if (C.push(E(R)),
                C.push(E(R + 1)),
                C.push(E(R + 2)),
                C = S(C, new x(1,0,0)),
                C = S(C, new x(-1,0,0)),
                C = S(C, new x(0,1,0)),
                C = S(C, new x(0,-1,0)),
                C = S(C, new x(0,0,1)),
                0 !== (C = S(C, new x(0,0,-1))).length)
                    for (var M = 0; M < C.length; M++) {
                        var I = C[M];
                        if (b.indices.push(T),
                        I.position.toArray(b.positions, 3 * T),
                        I.normal.toArray(b.normals, 3 * T),
                        i.captureUVS)
                            I.uv.toArray(b.uvs, 2 * T);
                        else {
                            b.uvs.push(.5 + I.position.x / c.x);
                            var O = .5 + I.position.y / c.y;
                            b.uvs.push(pr.UseOpenGLOrientationForUV ? 1 - O : O)
                        }
                        T++
                    }
            }
            var D = new Vr(e,t.getScene());
            return b.applyToMesh(D),
            D.position = s.clone(),
            D.rotation = new x(m,f,u),
            D
        }
        $n.CreateIcoSphere = Nv,
        Vr.CreateIcoSphere = function(e, t, i) {
            return Lv(e, t, i)
        }
        ;
        var Bv = {
            CreateDecal: wv
        };
        Vr.CreateDecal = function(e, t, i, n, r, o) {
            return wv(e, t, {
                position: i,
                normal: n,
                size: r,
                angle: o
            })
        }
        ;
        var Uv = function() {
            function e(e, t) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                this.x = e,
                this.y = t,
                e !== Math.floor(e) && (Math.floor(e),
                K.Warn("x is not an integer, floor(x) used")),
                t !== Math.floor(t) && (Math.floor(t),
                K.Warn("y is not an integer, floor(y) used"))
            }
            return e.prototype.clone = function() {
                return new e(this.x,this.y)
            }
            ,
            e.prototype.rotate60About = function(e) {
                var t = this.x;
                return this.x = e.x + e.y - this.y,
                this.y = t + this.y - e.x,
                this
            }
            ,
            e.prototype.rotateNeg60About = function(e) {
                var t = this.x;
                return this.x = t + this.y - e.y,
                this.y = e.x + e.y - t,
                this
            }
            ,
            e.prototype.rotate120 = function(e, t) {
                e !== Math.floor(e) && (Math.floor(e),
                K.Warn("m not an integer only floor(m) used")),
                t !== Math.floor(t) && (Math.floor(t),
                K.Warn("n not an integer only floor(n) used"));
                var i = this.x;
                return this.x = e - i - this.y,
                this.y = t + i,
                this
            }
            ,
            e.prototype.rotateNeg120 = function(e, t) {
                e !== Math.floor(e) && (Math.floor(e),
                K.Warn("m is not an integer, floor(m) used")),
                t !== Math.floor(t) && (Math.floor(t),
                K.Warn("n is not an integer,   floor(n) used"));
                var i = this.x;
                return this.x = this.y - t,
                this.y = e + t - i - this.y,
                this
            }
            ,
            e.prototype.toCartesianOrigin = function(e, t) {
                var i = x.Zero();
                return i.x = e.x + 2 * this.x * t + this.y * t,
                i.y = e.y + Math.sqrt(3) * this.y * t,
                i
            }
            ,
            e.Zero = function() {
                return new e(0,0)
            }
            ,
            e
        }()
          , Vv = function() {
            function e() {
                this.cartesian = [],
                this.vertices = [],
                this.max = [],
                this.min = [],
                this.closestTo = [],
                this.innerFacets = [],
                this.isoVecsABOB = [],
                this.isoVecsOBOA = [],
                this.isoVecsBAOA = [],
                this.vertexTypes = [],
                this.IDATA = new kv("icosahedron","Regular",[[0, _, -1], [-_, 1, 0], [-1, 0, -_], [1, 0, -_], [_, 1, 0], [0, _, 1], [-1, 0, _], [-_, -1, 0], [0, -_, -1], [_, -1, 0], [1, 0, _], [0, -_, 1]],[[0, 2, 1], [0, 3, 2], [0, 4, 3], [0, 5, 4], [0, 1, 5], [7, 6, 1], [8, 7, 2], [9, 8, 3], [10, 9, 4], [6, 10, 5], [2, 7, 1], [3, 8, 2], [4, 9, 3], [5, 10, 4], [1, 6, 5], [11, 6, 7], [11, 7, 8], [11, 8, 9], [11, 9, 10], [11, 10, 6]])
            }
            return e.prototype.setIndices = function() {
                var e, t, i, n, r, o, a, s = 12, l = {}, c = this.m, u = this.n, h = c;
                0 !== u && (h = d.HCF(c, u)),
                e = c / h,
                t = u / h;
                var p, f, _, m = Uv.Zero(), g = new Uv(c,u), v = new Uv(-u,c + u), y = Uv.Zero(), b = Uv.Zero(), T = Uv.Zero(), E = [], S = [], A = this.vertByDist, x = function(e, t, i, n) {
                    f = t + "|" + n,
                    (p = e + "|" + i)in l || f in l ? p in l && !(f in l) ? l[f] = l[p] : f in l && !(p in l) && (l[p] = l[f]) : (l[p] = s,
                    l[f] = s,
                    s++),
                    A[i][0] > 2 ? S[l[p]] = [-A[i][0], A[i][1], l[p]] : S[l[p]] = [E[A[i][0]], A[i][1], l[p]]
                };
                this.IDATA.edgematch = [[1, "B"], [2, "B"], [3, "B"], [4, "B"], [0, "B"], [10, "O", 14, "A"], [11, "O", 10, "A"], [12, "O", 11, "A"], [13, "O", 12, "A"], [14, "O", 13, "A"], [0, "O"], [1, "O"], [2, "O"], [3, "O"], [4, "O"], [19, "B", 5, "A"], [15, "B", 6, "A"], [16, "B", 7, "A"], [17, "B", 8, "A"], [18, "B", 9, "A"]];
                for (var R = 0; R < 20; R++) {
                    if (r = (E = this.IDATA.face[R])[2],
                    o = E[1],
                    a = E[0],
                    _ = m.x + "|" + m.y,
                    (p = R + "|" + _)in l || (l[p] = r,
                    S[r] = [E[A[_][0]], A[_][1]]),
                    _ = g.x + "|" + g.y,
                    (p = R + "|" + _)in l || (l[p] = o,
                    S[o] = [E[A[_][0]], A[_][1]]),
                    _ = v.x + "|" + v.y,
                    (p = R + "|" + _)in l || (l[p] = a,
                    S[a] = [E[A[_][0]], A[_][1]]),
                    i = this.IDATA.edgematch[R][0],
                    "B" === (n = this.IDATA.edgematch[R][1]))
                        for (var C = 1; C < h; C++)
                            b.x = c - C * (e + t),
                            b.y = u + C * e,
                            T.x = -C * t,
                            T.y = C * (e + t),
                            x(R, i, _ = b.x + "|" + b.y, T.x + "|" + T.y);
                    if ("O" === n)
                        for (C = 1; C < h; C++)
                            T.x = -C * t,
                            T.y = C * (e + t),
                            y.x = C * e,
                            y.y = C * t,
                            x(R, i, _ = T.x + "|" + T.y, y.x + "|" + y.y);
                    if (i = this.IDATA.edgematch[R][2],
                    (n = this.IDATA.edgematch[R][3]) && "A" === n)
                        for (C = 1; C < h; C++)
                            y.x = C * e,
                            y.y = C * t,
                            b.x = c - (h - C) * (e + t),
                            b.y = u + (h - C) * e,
                            x(R, i, _ = y.x + "|" + y.y, b.x + "|" + b.y);
                    for (C = 0; C < this.vertices.length; C++)
                        _ = this.vertices[C].x + "|" + this.vertices[C].y,
                        (p = R + "|" + _)in l || (l[p] = s++,
                        A[_][0] > 2 ? S[l[p]] = [-A[_][0], A[_][1], l[p]] : S[l[p]] = [E[A[_][0]], A[_][1], l[p]])
                }
                this.closestTo = S,
                this.vecToidx = l
            }
            ,
            e.prototype.calcCoeffs = function() {
                var e = this.m
                  , t = this.n
                  , i = Math.sqrt(3) / 3
                  , n = e * e + t * t + e * t;
                this.coau = (e + t) / n,
                this.cobu = -t / n,
                this.coav = -i * (e - t) / n,
                this.cobv = i * (2 * e + t) / n
            }
            ,
            e.prototype.createInnerFacets = function() {
                for (var e = this.m, t = this.n, i = 0; i < t + e + 1; i++)
                    for (var n = this.min[i]; n < this.max[i] + 1; n++)
                        n < this.max[i] && n < this.max[i + 1] + 1 && this.innerFacets.push(["|" + n + "|" + i, "|" + n + "|" + (i + 1), "|" + (n + 1) + "|" + i]),
                        i > 0 && n < this.max[i - 1] && n + 1 < this.max[i] + 1 && this.innerFacets.push(["|" + n + "|" + i, "|" + (n + 1) + "|" + i, "|" + (n + 1) + "|" + (i - 1)])
            }
            ,
            e.prototype.edgeVecsABOB = function() {
                for (var e = this.m, t = this.n, i = new Uv(-t,e + t), n = 1; n < e + t; n++) {
                    var r = new Uv(this.min[n],n)
                      , o = new Uv(this.min[n - 1],n - 1)
                      , a = new Uv(this.min[n + 1],n + 1)
                      , s = r.clone()
                      , l = o.clone()
                      , c = a.clone();
                    s.rotate60About(i),
                    l.rotate60About(i),
                    c.rotate60About(i);
                    var u = new Uv(this.max[s.y],s.y)
                      , h = new Uv(this.max[s.y - 1],s.y - 1)
                      , d = new Uv(this.max[s.y - 1] - 1,s.y - 1);
                    s.x === u.x && s.y === u.y || (s.x !== h.x ? (this.vertexTypes.push([1, 0, 0]),
                    this.isoVecsABOB.push([r, h, d]),
                    this.vertexTypes.push([1, 0, 0]),
                    this.isoVecsABOB.push([r, d, u])) : s.y === c.y ? (this.vertexTypes.push([1, 1, 0]),
                    this.isoVecsABOB.push([r, o, h]),
                    this.vertexTypes.push([1, 0, 1]),
                    this.isoVecsABOB.push([r, h, a])) : (this.vertexTypes.push([1, 1, 0]),
                    this.isoVecsABOB.push([r, o, h]),
                    this.vertexTypes.push([1, 0, 0]),
                    this.isoVecsABOB.push([r, h, u])))
                }
            }
            ,
            e.prototype.mapABOBtoOBOA = function() {
                for (var e = new Uv(0,0), t = 0; t < this.isoVecsABOB.length; t++) {
                    for (var i = [], n = 0; n < 3; n++)
                        e.x = this.isoVecsABOB[t][n].x,
                        e.y = this.isoVecsABOB[t][n].y,
                        0 === this.vertexTypes[t][n] && e.rotateNeg120(this.m, this.n),
                        i.push(e.clone());
                    this.isoVecsOBOA.push(i)
                }
            }
            ,
            e.prototype.mapABOBtoBAOA = function() {
                for (var e = new Uv(0,0), t = 0; t < this.isoVecsABOB.length; t++) {
                    for (var i = [], n = 0; n < 3; n++)
                        e.x = this.isoVecsABOB[t][n].x,
                        e.y = this.isoVecsABOB[t][n].y,
                        1 === this.vertexTypes[t][n] && e.rotate120(this.m, this.n),
                        i.push(e.clone());
                    this.isoVecsBAOA.push(i)
                }
            }
            ,
            e.prototype.MapToFace = function(e, t) {
                for (var i, n = this.IDATA.face[e], r = n[2], o = n[1], a = n[0], s = x.FromArray(this.IDATA.vertex[r]), l = x.FromArray(this.IDATA.vertex[o]), c = x.FromArray(this.IDATA.vertex[a]), u = l.subtract(s), h = c.subtract(s), d = u.scale(this.coau).add(h.scale(this.cobu)), p = u.scale(this.coav).add(h.scale(this.cobv)), f = [], _ = I.Vector3[0], m = 0; m < this.cartesian.length; m++)
                    _ = d.scale(this.cartesian[m].x).add(p.scale(this.cartesian[m].y)).add(s),
                    f[m] = [_.x, _.y, _.z],
                    i = e + "|" + this.vertices[m].x + "|" + this.vertices[m].y,
                    t.vertex[this.vecToidx[i]] = [_.x, _.y, _.z]
            }
            ,
            e.prototype.build = function(e, t) {
                var i = new Array
                  , n = Uv.Zero()
                  , r = new Uv(e,t)
                  , o = new Uv(-t,e + t);
                i.push(n, r, o);
                for (var a = t; a < e + 1; a++)
                    for (var s = 0; s < e + 1 - a; s++)
                        i.push(new Uv(s,a));
                if (t > 0) {
                    for (var l = d.HCF(e, t), c = e / l, u = t / l, h = 1; h < l; h++)
                        i.push(new Uv(h * c,h * u)),
                        i.push(new Uv(-h * u,h * (c + u))),
                        i.push(new Uv(e - h * (c + u),t + h * c));
                    for (var p = e / t, f = 1; f < t; f++)
                        for (var _ = 0; _ < f * p; _++)
                            i.push(new Uv(_,f)),
                            i.push(new Uv(_,f).rotate120(e, t)),
                            i.push(new Uv(_,f).rotateNeg120(e, t))
                }
                i.sort((function(e, t) {
                    return e.x - t.x
                }
                )),
                i.sort((function(e, t) {
                    return e.y - t.y
                }
                ));
                var m = new Array(e + t + 1)
                  , g = new Array(e + t + 1);
                for (h = 0; h < m.length; h++)
                    m[h] = 1 / 0,
                    g[h] = -1 / 0;
                var v = 0
                  , y = 0
                  , b = i.length;
                for (h = 0; h < b; h++)
                    y = i[h].x,
                    m[v = i[h].y] = Math.min(y, m[v]),
                    g[v] = Math.max(y, g[v]);
                var T = function(i, n) {
                    var r = i.clone();
                    return "A" === n && r.rotateNeg120(e, t),
                    "B" === n && r.rotate120(e, t),
                    r.x < 0 ? r.y : r.x + r.y
                }
                  , E = []
                  , S = []
                  , A = []
                  , x = []
                  , R = {}
                  , C = []
                  , P = -1
                  , M = -1;
                for (h = 0; h < b; h++)
                    E[h] = i[h].toCartesianOrigin(new Uv(0,0), .5),
                    S[h] = T(i[h], "O"),
                    A[h] = T(i[h], "A"),
                    x[h] = T(i[h], "B"),
                    S[h] === A[h] && A[h] === x[h] ? (P = 3,
                    M = S[h]) : S[h] === A[h] ? (P = 4,
                    M = S[h]) : A[h] === x[h] ? (P = 5,
                    M = A[h]) : x[h] === S[h] && (P = 6,
                    M = S[h]),
                    S[h] < A[h] && S[h] < x[h] && (P = 2,
                    M = S[h]),
                    A[h] < S[h] && A[h] < x[h] && (P = 1,
                    M = A[h]),
                    x[h] < A[h] && x[h] < S[h] && (P = 0,
                    M = x[h]),
                    C.push([P, M, i[h].x, i[h].y]);
                C.sort((function(e, t) {
                    return e[2] - t[2]
                }
                )),
                C.sort((function(e, t) {
                    return e[3] - t[3]
                }
                )),
                C.sort((function(e, t) {
                    return e[1] - t[1]
                }
                )),
                C.sort((function(e, t) {
                    return e[0] - t[0]
                }
                ));
                for (var I = 0; I < C.length; I++)
                    R[C[I][2] + "|" + C[I][3]] = [C[I][0], C[I][1], I];
                return this.m = e,
                this.n = t,
                this.vertices = i,
                this.vertByDist = R,
                this.cartesian = E,
                this.min = m,
                this.max = g,
                this
            }
            ,
            e
        }()
          , kv = function(e, t, i, n) {
            this.name = e,
            this.category = t,
            this.vertex = i,
            this.face = n
        }
          , Gv = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.innerToData = function(e, t) {
                for (var i = 0; i < t.innerFacets.length; i++)
                    this.face.push(t.innerFacets[i].map((function(i) {
                        return t.vecToidx[e + i]
                    }
                    )))
            }
            ,
            t.prototype.mapABOBtoDATA = function(e, t) {
                for (var i = t.IDATA.edgematch[e][0], n = 0; n < t.isoVecsABOB.length; n++) {
                    for (var r = [], o = 0; o < 3; o++)
                        0 === t.vertexTypes[n][o] ? r.push(e + "|" + t.isoVecsABOB[n][o].x + "|" + t.isoVecsABOB[n][o].y) : r.push(i + "|" + t.isoVecsABOB[n][o].x + "|" + t.isoVecsABOB[n][o].y);
                    this.face.push([t.vecToidx[r[0]], t.vecToidx[r[1]], t.vecToidx[r[2]]])
                }
            }
            ,
            t.prototype.mapOBOAtoDATA = function(e, t) {
                for (var i = t.IDATA.edgematch[e][0], n = 0; n < t.isoVecsOBOA.length; n++) {
                    for (var r = [], o = 0; o < 3; o++)
                        1 === t.vertexTypes[n][o] ? r.push(e + "|" + t.isoVecsOBOA[n][o].x + "|" + t.isoVecsOBOA[n][o].y) : r.push(i + "|" + t.isoVecsOBOA[n][o].x + "|" + t.isoVecsOBOA[n][o].y);
                    this.face.push([t.vecToidx[r[0]], t.vecToidx[r[1]], t.vecToidx[r[2]]])
                }
            }
            ,
            t.prototype.mapBAOAtoDATA = function(e, t) {
                for (var i = t.IDATA.edgematch[e][2], n = 0; n < t.isoVecsBAOA.length; n++) {
                    for (var r = [], o = 0; o < 3; o++)
                        1 === t.vertexTypes[n][o] ? r.push(e + "|" + t.isoVecsBAOA[n][o].x + "|" + t.isoVecsBAOA[n][o].y) : r.push(i + "|" + t.isoVecsBAOA[n][o].x + "|" + t.isoVecsBAOA[n][o].y);
                    this.face.push([t.vecToidx[r[0]], t.vecToidx[r[1]], t.vecToidx[r[2]]])
                }
            }
            ,
            t.prototype.orderData = function(e) {
                for (var t = [], i = 0; i < 13; i++)
                    t[i] = [];
                var n = e.closestTo;
                for (i = 0; i < n.length; i++)
                    n[i][0] > -1 ? n[i][1] > 0 && t[n[i][0]].push([i, n[i][1]]) : t[12].push([i, n[i][0]]);
                var r = [];
                for (i = 0; i < 12; i++)
                    r[i] = i;
                var o = 12;
                for (i = 0; i < 12; i++) {
                    t[i].sort((function(e, t) {
                        return e[1] - t[1]
                    }
                    ));
                    for (var a = 0; a < t[i].length; a++)
                        r[t[i][a][0]] = o++
                }
                for (a = 0; a < t[12].length; a++)
                    r[t[12][a][0]] = o++;
                for (i = 0; i < this.vertex.length; i++)
                    this.vertex[i].push(r[i]);
                for (this.vertex.sort((function(e, t) {
                    return e[3] - t[3]
                }
                )),
                i = 0; i < this.vertex.length; i++)
                    this.vertex[i].pop();
                for (i = 0; i < this.face.length; i++)
                    for (a = 0; a < this.face[i].length; a++)
                        this.face[i][a] = r[this.face[i][a]];
                this.sharedNodes = t[12].length,
                this.poleNodes = this.vertex.length - this.sharedNodes
            }
            ,
            t.prototype.setOrder = function(e, t) {
                var i = []
                  , n = []
                  , r = t.pop();
                n.push(r);
                var o = this.face[r].indexOf(e);
                o = (o + 2) % 3;
                var a = this.face[r][o];
                i.push(a);
                for (var s = 0; t.length > 0; )
                    r = t[s],
                    this.face[r].indexOf(a) > -1 ? (o = (this.face[r].indexOf(a) + 1) % 3,
                    a = this.face[r][o],
                    i.push(a),
                    n.push(r),
                    t.splice(s, 1),
                    s = 0) : s++;
                return this.adjacentFaces.push(i),
                n
            }
            ,
            t.prototype.toGoldbergPolyhedronData = function() {
                var e = this
                  , t = new kv("GeoDual","Goldberg",[],[]);
                t.name = "GD dual";
                for (var i = this.vertex.length, n = new Array(i), r = 0; r < i; r++)
                    n[r] = [];
                for (var o = 0; o < this.face.length; o++)
                    for (var a = 0; a < 3; a++)
                        n[this.face[o][a]].push(o);
                var s = 0
                  , l = 0
                  , c = 0
                  , u = []
                  , h = [];
                this.adjacentFaces = [];
                for (var d = 0; d < n.length; d++)
                    t.face[d] = this.setOrder(d, n[d].concat([])),
                    n[d].forEach((function(i) {
                        s = 0,
                        l = 0,
                        c = 0,
                        u = e.face[i];
                        for (var n = 0; n < 3; n++)
                            h = e.vertex[u[n]],
                            s += h[0],
                            l += h[1],
                            c += h[2];
                        t.vertex[i] = [s / 3, l / 3, c / 3]
                    }
                    ));
                return t
            }
            ,
            t.BuildGeodesicData = function(e) {
                var i = new t("Geodesic-m-n","Geodesic",[[0, _, -1], [-_, 1, 0], [-1, 0, -_], [1, 0, -_], [_, 1, 0], [0, _, 1], [-1, 0, _], [-_, -1, 0], [0, -_, -1], [_, -1, 0], [1, 0, _], [0, -_, 1]],[]);
                e.setIndices(),
                e.calcCoeffs(),
                e.createInnerFacets(),
                e.edgeVecsABOB(),
                e.mapABOBtoOBOA(),
                e.mapABOBtoBAOA();
                for (var n = 0; n < e.IDATA.face.length; n++)
                    e.MapToFace(n, i),
                    i.innerToData(n, e),
                    "B" === e.IDATA.edgematch[n][1] && i.mapABOBtoDATA(n, e),
                    "O" === e.IDATA.edgematch[n][1] && i.mapOBOAtoDATA(n, e),
                    "A" === e.IDATA.edgematch[n][3] && i.mapBAOAtoDATA(n, e);
                return i.orderData(e),
                i.vertex = i.vertex.map((function(e) {
                    var t = e[0]
                      , i = e[1]
                      , n = e[2]
                      , r = Math.sqrt(t * t + i * i + n * n);
                    return e[0] *= 1 / r,
                    e[1] *= 1 / r,
                    e[2] *= 1 / r,
                    e
                }
                )),
                i
            }
            ,
            t
        }(kv);
        function zv(e, t, i) {
            void 0 === i && (i = null);
            var n = t.m || 1;
            n !== Math.floor(n) && (Math.floor(n),
            K.Warn("m not an integer only floor(m) used"));
            var r = t.n || 0;
            if (r !== Math.floor(r) && (Math.floor(r),
            K.Warn("n not an integer only floor(n) used")),
            r > n) {
                var o = r;
                r = n,
                n = o,
                K.Warn("n > m therefore m and n swapped")
            }
            var a = new Vv;
            return a.build(n, r),
            Td(e, {
                custom: Gv.BuildGeodesicData(a),
                size: t.size,
                sizeX: t.sizeX,
                sizeY: t.sizeY,
                sizeZ: t.sizeZ,
                faceUV: t.faceUV,
                faceColors: t.faceColors,
                flat: t.flat,
                updatable: t.updatable,
                sideOrientation: t.sideOrientation,
                frontUVs: t.frontUVs,
                backUVs: t.backUVs
            }, i)
        }
        function Wv(e, t) {
            for (var i = e.size, n = e.sizeX || i || 1, r = e.sizeY || i || 1, o = e.sizeZ || i || 1, a = 0 === e.sideOrientation ? 0 : e.sideOrientation || $n.DEFAULTSIDE, s = new Array, l = new Array, c = new Array, u = new Array, h = 1 / 0, d = -1 / 0, p = 1 / 0, f = -1 / 0, _ = 0; _ < t.vertex.length; _++)
                h = Math.min(h, t.vertex[_][0] * n),
                d = Math.max(d, t.vertex[_][0] * n),
                p = Math.min(p, t.vertex[_][1] * r),
                f = Math.max(f, t.vertex[_][1] * r);
            for (var m = 0, g = 0; g < t.face.length; g++) {
                var v = t.face[g]
                  , y = x.FromArray(t.vertex[v[0]])
                  , b = x.FromArray(t.vertex[v[2]])
                  , T = x.FromArray(t.vertex[v[1]])
                  , E = b.subtract(y)
                  , S = T.subtract(y)
                  , A = x.Cross(S, E).normalize();
                for (_ = 0; _ < v.length; _++) {
                    c.push(A.x, A.y, A.z);
                    var R = t.vertex[v[_]];
                    s.push(R[0] * n, R[1] * r, R[2] * o);
                    var C = (R[1] * r - p) / (f - p);
                    u.push((R[0] * n - h) / (d - h), pr.UseOpenGLOrientationForUV ? 1 - C : C)
                }
                for (_ = 0; _ < v.length - 2; _++)
                    l.push(m, m + _ + 2, m + _ + 1);
                m += v.length
            }
            $n._ComputeSides(a, s, l, c, u);
            var P = new $n;
            return P.positions = s,
            P.indices = l,
            P.normals = c,
            P.uvs = u,
            P
        }
        function Hv(e, t, i) {
            void 0 === i && (i = null);
            var n = t.size
              , r = t.sizeX || n || 1
              , o = t.sizeY || n || 1
              , a = t.sizeZ || n || 1
              , s = t.m || 1;
            s !== Math.floor(s) && (Math.floor(s),
            K.Warn("m not an integer only floor(m) used"));
            var l = t.n || 0;
            if (l !== Math.floor(l) && (Math.floor(l),
            K.Warn("n not an integer only floor(n) used")),
            l > s) {
                var c = l;
                l = s,
                s = c,
                K.Warn("n > m therefore m and n swapped")
            }
            var u = new Vv;
            u.build(s, l);
            var h = Gv.BuildGeodesicData(u)
              , d = h.toGoldbergPolyhedronData()
              , p = new uv(e,i);
            t.sideOrientation = Vr._GetDefaultSideOrientation(t.sideOrientation),
            p._originalBuilderSideOrientation = t.sideOrientation,
            Wv(t, d).applyToMesh(p, t.updatable),
            p.goldbergData.nbSharedFaces = h.sharedNodes,
            p.goldbergData.nbUnsharedFaces = h.poleNodes,
            p.goldbergData.adjacentFaces = h.adjacentFaces,
            p.goldbergData.nbFaces = p.goldbergData.nbSharedFaces + p.goldbergData.nbUnsharedFaces,
            p.goldbergData.nbFacesAtPole = (p.goldbergData.nbUnsharedFaces - 12) / 12;
            for (var f = 0; f < h.vertex.length; f++)
                p.goldbergData.faceCenters.push(x.FromArray(h.vertex[f])),
                p.goldbergData.faceCenters[f].x *= r,
                p.goldbergData.faceCenters[f].y *= o,
                p.goldbergData.faceCenters[f].z *= a,
                p.goldbergData.faceColors.push(new N(1,1,1,1));
            for (f = 0; f < d.face.length; f++) {
                var _ = d.face[f]
                  , m = x.FromArray(d.vertex[_[0]])
                  , g = x.FromArray(d.vertex[_[2]])
                  , v = x.FromArray(d.vertex[_[1]])
                  , y = g.subtract(m)
                  , b = v.subtract(m)
                  , T = x.Cross(b, y).normalize()
                  , E = x.Cross(b, T).normalize();
                p.goldbergData.faceXaxis.push(b.normalize()),
                p.goldbergData.faceYaxis.push(T),
                p.goldbergData.faceZaxis.push(E)
            }
            return p
        }
        Vr.CreateGoldberg = Hv;
        var Xv, jv = {
            CreateBox: Ml,
            CreateTiledBox: mv,
            CreateSphere: Dl,
            CreateDisc: Pd,
            CreateIcoSphere: Lv,
            CreateRibbon: nc,
            CreateCylinder: Ys,
            CreateTorus: qs,
            CreateTorusKnot: yv,
            CreateLineSystem: Zl,
            CreateLines: Jl,
            CreateDashedLines: $l,
            ExtrudeShape: oc,
            ExtrudeShapeCustom: ac,
            CreateLathe: Mv,
            CreateTiledPlane: pv,
            CreatePlane: vo,
            CreateGround: il,
            CreateTiledGround: nl,
            CreateGroundFromHeightMap: rl,
            CreatePolygon: Rv,
            ExtrudePolygon: Cv,
            CreateTube: Ov,
            CreatePolyhedron: Td,
            CreateGeodesic: zv,
            CreateGoldberg: Hv,
            CreateDecal: wv,
            CreateCapsule: Gl
        }, Yv = function(e, t, i) {
            this.quality = e,
            this.distance = t,
            this.optimizeMesh = i
        }, Kv = function() {
            function e() {
                this.running = !1,
                this._simplificationArray = []
            }
            return e.prototype.addTask = function(e) {
                this._simplificationArray.push(e)
            }
            ,
            e.prototype.executeNext = function() {
                var e = this._simplificationArray.pop();
                e ? (this.running = !0,
                this.runSimplification(e)) : this.running = !1
            }
            ,
            e.prototype.runSimplification = function(e) {
                var t = this;
                if (e.parallelProcessing)
                    e.settings.forEach((function(i) {
                        t._getSimplifier(e).simplify(i, (function(n) {
                            void 0 !== i.distance && e.mesh.addLODLevel(i.distance, n),
                            n.isVisible = !0,
                            i.quality === e.settings[e.settings.length - 1].quality && e.successCallback && e.successCallback(),
                            t.executeNext()
                        }
                        ))
                    }
                    ));
                else {
                    var i = this._getSimplifier(e);
                    yi.Run(e.settings.length, (function(t) {
                        var n, r;
                        n = e.settings[t.index],
                        r = function() {
                            t.executeNext()
                        }
                        ,
                        i.simplify(n, (function(t) {
                            void 0 !== n.distance && e.mesh.addLODLevel(n.distance, t),
                            t.isVisible = !0,
                            r()
                        }
                        ))
                    }
                    ), (function() {
                        e.successCallback && e.successCallback(),
                        t.executeNext()
                    }
                    ))
                }
            }
            ,
            e.prototype._getSimplifier = function(e) {
                return e.simplificationType,
                Xv.QUADRATIC,
                new $v(e.mesh)
            }
            ,
            e
        }();
        !function(e) {
            e[e.QUADRATIC = 0] = "QUADRATIC"
        }(Xv || (Xv = {}));
        var Qv = function(e) {
            this._vertices = e,
            this.error = new Array(4),
            this.deleted = !1,
            this.isDirty = !1,
            this.deletePending = !1,
            this.borderFactor = 0
        }
          , qv = function() {
            function e(e, t) {
                this.position = e,
                this.id = t,
                this.isBorder = !0,
                this.q = new Zv,
                this.triangleCount = 0,
                this.triangleStart = 0,
                this.originalOffsets = []
            }
            return e.prototype.updatePosition = function(e) {
                this.position.copyFrom(e)
            }
            ,
            e
        }()
          , Zv = function() {
            function e(e) {
                this.data = new Array(10);
                for (var t = 0; t < 10; ++t)
                    e && e[t] ? this.data[t] = e[t] : this.data[t] = 0
            }
            return e.prototype.det = function(e, t, i, n, r, o, a, s, l) {
                return this.data[e] * this.data[r] * this.data[l] + this.data[i] * this.data[n] * this.data[s] + this.data[t] * this.data[o] * this.data[a] - this.data[i] * this.data[r] * this.data[a] - this.data[e] * this.data[o] * this.data[s] - this.data[t] * this.data[n] * this.data[l]
            }
            ,
            e.prototype.addInPlace = function(e) {
                for (var t = 0; t < 10; ++t)
                    this.data[t] += e.data[t]
            }
            ,
            e.prototype.addArrayInPlace = function(e) {
                for (var t = 0; t < 10; ++t)
                    this.data[t] += e[t]
            }
            ,
            e.prototype.add = function(t) {
                for (var i = new e, n = 0; n < 10; ++n)
                    i.data[n] = this.data[n] + t.data[n];
                return i
            }
            ,
            e.FromData = function(t, i, n, r) {
                return new e(e.DataFromNumbers(t, i, n, r))
            }
            ,
            e.DataFromNumbers = function(e, t, i, n) {
                return [e * e, e * t, e * i, e * n, t * t, t * i, t * n, i * i, i * n, n * n]
            }
            ,
            e
        }()
          , Jv = function(e, t) {
            this.vertexId = e,
            this.triangleId = t
        }
          , $v = function() {
            function e(e) {
                this._mesh = e,
                this.syncIterations = 5e3,
                this.aggressiveness = 7,
                this.decimationIterations = 100,
                this.boundingBoxEpsilon = m
            }
            return e.prototype.simplify = function(e, t) {
                var i = this;
                this._initDecimatedMesh(),
                yi.Run(this._mesh.subMeshes.length, (function(t) {
                    i._initWithMesh(t.index, (function() {
                        i._runDecimation(e, t.index, (function() {
                            t.executeNext()
                        }
                        ))
                    }
                    ), e.optimizeMesh)
                }
                ), (function() {
                    setTimeout((function() {
                        t(i._reconstructedMesh)
                    }
                    ), 0)
                }
                ))
            }
            ,
            e.prototype._runDecimation = function(e, t, i) {
                var n = this
                  , r = ~~(this._triangles.length * e.quality)
                  , o = 0
                  , a = this._triangles.length;
                yi.Run(this.decimationIterations, (function(e) {
                    var t, i;
                    a - o <= r ? e.breakLoop() : (t = e.index,
                    i = function() {
                        e.executeNext()
                    }
                    ,
                    setTimeout((function() {
                        t % 5 == 0 && n._updateMesh(0 === t);
                        for (var e = 0; e < n._triangles.length; ++e)
                            n._triangles[e].isDirty = !1;
                        var s = 1e-9 * Math.pow(t + 3, n.aggressiveness);
                        yi.SyncAsyncForLoop(n._triangles.length, n.syncIterations, (function(e) {
                            var t = ~~((n._triangles.length / 2 + e) % n._triangles.length)
                              , i = n._triangles[t];
                            if (i && !(i.error[3] > s || i.deleted || i.isDirty))
                                for (var r = function(e) {
                                    if (i.error[e] < s) {
                                        var t = []
                                          , r = []
                                          , a = i._vertices[e]
                                          , l = i._vertices[(e + 1) % 3];
                                        if (a.isBorder || l.isBorder)
                                            return "continue";
                                        var c = x.Zero();
                                        n._calculateError(a, l, c);
                                        var u = new Array;
                                        if (n._isFlipped(a, l, c, t, u))
                                            return "continue";
                                        if (n._isFlipped(l, a, c, r, u))
                                            return "continue";
                                        if (t.indexOf(!0) < 0 || r.indexOf(!0) < 0)
                                            return "continue";
                                        var h = new Array;
                                        if (u.forEach((function(e) {
                                            -1 === h.indexOf(e) && (e.deletePending = !0,
                                            h.push(e))
                                        }
                                        )),
                                        h.length % 2 != 0)
                                            return "continue";
                                        a.q = l.q.add(a.q),
                                        a.updatePosition(c);
                                        var d = n._references.length;
                                        o = n._updateTriangles(a, a, t, o),
                                        o = n._updateTriangles(a, l, r, o);
                                        var p = n._references.length - d;
                                        if (p <= a.triangleCount) {
                                            if (p)
                                                for (var f = 0; f < p; f++)
                                                    n._references[a.triangleStart + f] = n._references[d + f]
                                        } else
                                            a.triangleStart = d;
                                        return a.triangleCount = p,
                                        "break"
                                    }
                                }, a = 0; a < 3 && "break" !== r(a); ++a)
                                    ;
                        }
                        ), i, (function() {
                            return a - o <= r
                        }
                        ))
                    }
                    ), 0))
                }
                ), (function() {
                    setTimeout((function() {
                        n._reconstructMesh(t),
                        i()
                    }
                    ), 0)
                }
                ))
            }
            ,
            e.prototype._initWithMesh = function(e, t, i) {
                var n = this;
                this._vertices = [],
                this._triangles = [];
                var r = this._mesh.getVerticesData(Bi.PositionKind)
                  , o = this._mesh.getIndices()
                  , a = this._mesh.subMeshes[e]
                  , s = []
                  , l = a.verticesCount;
                yi.SyncAsyncForLoop(l, this.syncIterations / 4 >> 0, (function(e) {
                    if (r) {
                        var t = e + a.verticesStart
                          , o = x.FromArray(r, 3 * t)
                          , l = function(e) {
                            if (i)
                                for (var t = 0; t < n._vertices.length; ++t)
                                    if (n._vertices[t].position.equalsWithEpsilon(e, 1e-4))
                                        return n._vertices[t];
                            return null
                        }(o) || new qv(o,n._vertices.length);
                        l.originalOffsets.push(t),
                        l.id === n._vertices.length && n._vertices.push(l),
                        s.push(l.id)
                    }
                }
                ), (function() {
                    yi.SyncAsyncForLoop(a.indexCount / 3, n.syncIterations, (function(e) {
                        if (o) {
                            var t = 3 * (a.indexStart / 3 + e)
                              , i = o[t + 0]
                              , r = o[t + 1]
                              , l = o[t + 2]
                              , c = n._vertices[s[i - a.verticesStart]]
                              , u = n._vertices[s[r - a.verticesStart]]
                              , h = n._vertices[s[l - a.verticesStart]]
                              , d = new Qv([c, u, h]);
                            d.originalOffset = t,
                            n._triangles.push(d)
                        }
                    }
                    ), (function() {
                        n._init(t)
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype._init = function(e) {
                var t = this;
                yi.SyncAsyncForLoop(this._triangles.length, this.syncIterations, (function(e) {
                    var i = t._triangles[e];
                    i.normal = x.Cross(i._vertices[1].position.subtract(i._vertices[0].position), i._vertices[2].position.subtract(i._vertices[0].position)).normalize();
                    for (var n = 0; n < 3; n++)
                        i._vertices[n].q.addArrayInPlace(Zv.DataFromNumbers(i.normal.x, i.normal.y, i.normal.z, -x.Dot(i.normal, i._vertices[0].position)))
                }
                ), (function() {
                    yi.SyncAsyncForLoop(t._triangles.length, t.syncIterations, (function(e) {
                        for (var i = t._triangles[e], n = 0; n < 3; ++n)
                            i.error[n] = t._calculateError(i._vertices[n], i._vertices[(n + 1) % 3]);
                        i.error[3] = Math.min(i.error[0], i.error[1], i.error[2])
                    }
                    ), (function() {
                        e()
                    }
                    ))
                }
                ))
            }
            ,
            e.prototype._reconstructMesh = function(e) {
                var t, i, n, r = [];
                for (t = 0; t < this._vertices.length; ++t)
                    this._vertices[t].triangleCount = 0;
                for (t = 0; t < this._triangles.length; ++t)
                    if (!this._triangles[t].deleted) {
                        for (i = this._triangles[t],
                        n = 0; n < 3; ++n)
                            i._vertices[n].triangleCount = 1;
                        r.push(i)
                    }
                var o = this._reconstructedMesh.getVerticesData(Bi.PositionKind) || []
                  , a = this._reconstructedMesh.getVerticesData(Bi.NormalKind) || []
                  , s = this._reconstructedMesh.getVerticesData(Bi.UVKind) || []
                  , l = this._reconstructedMesh.getVerticesData(Bi.ColorKind) || []
                  , c = this._mesh.getVerticesData(Bi.NormalKind)
                  , u = this._mesh.getVerticesData(Bi.UVKind)
                  , h = this._mesh.getVerticesData(Bi.ColorKind)
                  , d = 0
                  , p = function() {
                    var e = f._vertices[t];
                    e.id = d,
                    e.triangleCount && e.originalOffsets.forEach((function(t) {
                        o.push(e.position.x),
                        o.push(e.position.y),
                        o.push(e.position.z),
                        c && c.length && (a.push(c[3 * t]),
                        a.push(c[3 * t + 1]),
                        a.push(c[3 * t + 2])),
                        u && u.length && (s.push(u[2 * t]),
                        s.push(u[2 * t + 1])),
                        h && h.length && (l.push(h[4 * t]),
                        l.push(h[4 * t + 1]),
                        l.push(h[4 * t + 2]),
                        l.push(h[4 * t + 3])),
                        ++d
                    }
                    ))
                }
                  , f = this;
                for (t = 0; t < this._vertices.length; ++t)
                    p();
                var _ = this._reconstructedMesh.getTotalIndices()
                  , m = this._reconstructedMesh.getTotalVertices()
                  , g = this._reconstructedMesh.subMeshes;
                this._reconstructedMesh.subMeshes = [];
                var v = this._reconstructedMesh.getIndices()
                  , y = this._mesh.getIndices();
                for (t = 0; t < r.length; ++t)
                    i = r[t],
                    [0, 1, 2].forEach((function(e) {
                        var t = y[i.originalOffset + e]
                          , n = i._vertices[e].originalOffsets.indexOf(t);
                        n < 0 && (n = 0),
                        v.push(i._vertices[e].id + n + m)
                    }
                    ));
                this._reconstructedMesh.setIndices(v),
                this._reconstructedMesh.setVerticesData(Bi.PositionKind, o),
                a.length > 0 && this._reconstructedMesh.setVerticesData(Bi.NormalKind, a),
                s.length > 0 && this._reconstructedMesh.setVerticesData(Bi.UVKind, s),
                l.length > 0 && this._reconstructedMesh.setVerticesData(Bi.ColorKind, l);
                var b = this._mesh.subMeshes[e];
                e > 0 && (this._reconstructedMesh.subMeshes = [],
                g.forEach((function(e) {
                    hr.AddToMesh(e.materialIndex, e.verticesStart, e.verticesCount, e.indexStart, e.indexCount, e.getMesh())
                }
                )),
                hr.AddToMesh(b.materialIndex, m, d, _, 3 * r.length, this._reconstructedMesh))
            }
            ,
            e.prototype._initDecimatedMesh = function() {
                this._reconstructedMesh = new Vr(this._mesh.name + "Decimated",this._mesh.getScene()),
                this._reconstructedMesh.material = this._mesh.material,
                this._reconstructedMesh.parent = this._mesh.parent,
                this._reconstructedMesh.isVisible = !1,
                this._reconstructedMesh.renderingGroupId = this._mesh.renderingGroupId
            }
            ,
            e.prototype._isFlipped = function(e, t, i, n, r) {
                for (var o = 0; o < e.triangleCount; ++o) {
                    var a = this._triangles[this._references[e.triangleStart + o].triangleId];
                    if (!a.deleted) {
                        var s = this._references[e.triangleStart + o].vertexId
                          , l = a._vertices[(s + 1) % 3]
                          , c = a._vertices[(s + 2) % 3];
                        if (l !== t && c !== t) {
                            var u = l.position.subtract(i);
                            u = u.normalize();
                            var h = c.position.subtract(i);
                            if (h = h.normalize(),
                            Math.abs(x.Dot(u, h)) > .999)
                                return !0;
                            var d = x.Cross(u, h).normalize();
                            if (n[o] = !1,
                            x.Dot(d, a.normal) < .2)
                                return !0
                        } else
                            n[o] = !0,
                            r.push(a)
                    }
                }
                return !1
            }
            ,
            e.prototype._updateTriangles = function(e, t, i, n) {
                for (var r = n, o = 0; o < t.triangleCount; ++o) {
                    var a = this._references[t.triangleStart + o]
                      , s = this._triangles[a.triangleId];
                    s.deleted || (i[o] && s.deletePending ? (s.deleted = !0,
                    r++) : (s._vertices[a.vertexId] = e,
                    s.isDirty = !0,
                    s.error[0] = this._calculateError(s._vertices[0], s._vertices[1]) + s.borderFactor / 2,
                    s.error[1] = this._calculateError(s._vertices[1], s._vertices[2]) + s.borderFactor / 2,
                    s.error[2] = this._calculateError(s._vertices[2], s._vertices[0]) + s.borderFactor / 2,
                    s.error[3] = Math.min(s.error[0], s.error[1], s.error[2]),
                    this._references.push(a)))
                }
                return r
            }
            ,
            e.prototype._identifyBorder = function() {
                for (var e = 0; e < this._vertices.length; ++e) {
                    var t = []
                      , i = []
                      , n = this._vertices[e]
                      , r = void 0;
                    for (r = 0; r < n.triangleCount; ++r)
                        for (var o = this._triangles[this._references[n.triangleStart + r].triangleId], a = 0; a < 3; a++) {
                            for (var s = 0, l = o._vertices[a]; s < t.length && i[s] !== l.id; )
                                ++s;
                            s === t.length ? (t.push(1),
                            i.push(l.id)) : t[s]++
                        }
                    for (r = 0; r < t.length; ++r)
                        1 === t[r] ? this._vertices[i[r]].isBorder = !0 : this._vertices[i[r]].isBorder = !1
                }
            }
            ,
            e.prototype._updateMesh = function(e) {
                var t, i, n, r;
                if (void 0 === e && (e = !1),
                !e) {
                    var o = [];
                    for (t = 0; t < this._triangles.length; ++t)
                        this._triangles[t].deleted || o.push(this._triangles[t]);
                    this._triangles = o
                }
                for (t = 0; t < this._vertices.length; ++t)
                    this._vertices[t].triangleCount = 0,
                    this._vertices[t].triangleStart = 0;
                for (t = 0; t < this._triangles.length; ++t)
                    for (i = this._triangles[t],
                    n = 0; n < 3; ++n)
                        (r = i._vertices[n]).triangleCount++;
                var a = 0;
                for (t = 0; t < this._vertices.length; ++t)
                    this._vertices[t].triangleStart = a,
                    a += this._vertices[t].triangleCount,
                    this._vertices[t].triangleCount = 0;
                var s = new Array(3 * this._triangles.length);
                for (t = 0; t < this._triangles.length; ++t)
                    for (i = this._triangles[t],
                    n = 0; n < 3; ++n)
                        s[(r = i._vertices[n]).triangleStart + r.triangleCount] = new Jv(n,t),
                        r.triangleCount++;
                this._references = s,
                e && this._identifyBorder()
            }
            ,
            e.prototype._vertexError = function(e, t) {
                var i = t.x
                  , n = t.y
                  , r = t.z;
                return e.data[0] * i * i + 2 * e.data[1] * i * n + 2 * e.data[2] * i * r + 2 * e.data[3] * i + e.data[4] * n * n + 2 * e.data[5] * n * r + 2 * e.data[6] * n + e.data[7] * r * r + 2 * e.data[8] * r + e.data[9]
            }
            ,
            e.prototype._calculateError = function(e, t, i) {
                var n = e.q.add(t.q)
                  , r = e.isBorder && t.isBorder
                  , o = 0
                  , a = n.det(0, 1, 2, 1, 4, 5, 2, 5, 7);
                if (0 === a || r) {
                    var s = e.position.add(t.position).divide(new x(2,2,2))
                      , l = this._vertexError(n, e.position)
                      , c = this._vertexError(n, t.position)
                      , u = this._vertexError(n, s);
                    (o = Math.min(l, c, u)) === l ? i && i.copyFrom(e.position) : o === c ? i && i.copyFrom(t.position) : i && i.copyFrom(s)
                } else
                    i || (i = x.Zero()),
                    i.x = -1 / a * n.det(1, 2, 3, 4, 5, 6, 5, 7, 8),
                    i.y = 1 / a * n.det(0, 2, 3, 1, 5, 6, 2, 7, 8),
                    i.z = -1 / a * n.det(0, 1, 3, 1, 4, 6, 2, 5, 8),
                    o = this._vertexError(n, i);
                return o
            }
            ,
            e
        }();
        Object.defineProperty(mn.prototype, "simplificationQueue", {
            get: function() {
                if (!this._simplificationQueue) {
                    this._simplificationQueue = new Kv;
                    var e = this._getComponent(Wi.NAME_SIMPLIFICATIONQUEUE);
                    e || (e = new ey(this),
                    this._addComponent(e))
                }
                return this._simplificationQueue
            },
            set: function(e) {
                this._simplificationQueue = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Vr.prototype.simplify = function(e, t, i, n) {
            return void 0 === t && (t = !0),
            void 0 === i && (i = Xv.QUADRATIC),
            this.getScene().simplificationQueue.addTask({
                settings: e,
                parallelProcessing: t,
                mesh: this,
                simplificationType: i,
                successCallback: n
            }),
            this
        }
        ;
        var ey = function() {
            function e(e) {
                this.name = Wi.NAME_SIMPLIFICATIONQUEUE,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._beforeCameraUpdateStage.registerStep(Wi.STEP_BEFORECAMERAUPDATE_SIMPLIFICATIONQUEUE, this, this._beforeCameraUpdate)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype._beforeCameraUpdate = function() {
                this.scene._simplificationQueue && !this.scene._simplificationQueue.running && this.scene._simplificationQueue.executeNext()
            }
            ,
            e
        }();
        Vr.prototype.thinInstanceAdd = function(e, t) {
            void 0 === t && (t = !0),
            this._thinInstanceUpdateBufferSize("matrix", Array.isArray(e) ? e.length : 1);
            var i = this._thinInstanceDataStorage.instancesCount;
            if (Array.isArray(e))
                for (var n = 0; n < e.length; ++n)
                    this.thinInstanceSetMatrixAt(this._thinInstanceDataStorage.instancesCount++, e[n], n === e.length - 1 && t);
            else
                this.thinInstanceSetMatrixAt(this._thinInstanceDataStorage.instancesCount++, e, t);
            return i
        }
        ,
        Vr.prototype.thinInstanceAddSelf = function(e) {
            return void 0 === e && (e = !0),
            this.thinInstanceAdd(P.IdentityReadOnly, e)
        }
        ,
        Vr.prototype.thinInstanceRegisterAttribute = function(e, t) {
            this.removeVerticesData(e),
            this._thinInstanceInitializeUserStorage(),
            this._userThinInstanceBuffersStorage.strides[e] = t,
            this._userThinInstanceBuffersStorage.sizes[e] = t * Math.max(32, this._thinInstanceDataStorage.instancesCount),
            this._userThinInstanceBuffersStorage.data[e] = new Float32Array(this._userThinInstanceBuffersStorage.sizes[e]),
            this._userThinInstanceBuffersStorage.vertexBuffers[e] = new Bi(this.getEngine(),this._userThinInstanceBuffersStorage.data[e],e,!0,!1,t,!0),
            this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[e])
        }
        ,
        Vr.prototype.thinInstanceSetMatrixAt = function(e, t, i) {
            if (void 0 === i && (i = !0),
            !this._thinInstanceDataStorage.matrixData || e >= this._thinInstanceDataStorage.instancesCount)
                return !1;
            var n = this._thinInstanceDataStorage.matrixData;
            return t.copyToArray(n, 16 * e),
            this._thinInstanceDataStorage.worldMatrices && (this._thinInstanceDataStorage.worldMatrices[e] = t),
            i && (this.thinInstanceBufferUpdated("matrix"),
            this.doNotSyncBoundingInfo || this.thinInstanceRefreshBoundingInfo(!1)),
            !0
        }
        ,
        Vr.prototype.thinInstanceSetAttributeAt = function(e, t, i, n) {
            return void 0 === n && (n = !0),
            !(!this._userThinInstanceBuffersStorage || !this._userThinInstanceBuffersStorage.data[e] || t >= this._thinInstanceDataStorage.instancesCount || (this._thinInstanceUpdateBufferSize(e, 0),
            this._userThinInstanceBuffersStorage.data[e].set(i, t * this._userThinInstanceBuffersStorage.strides[e]),
            n && this.thinInstanceBufferUpdated(e),
            0))
        }
        ,
        Object.defineProperty(Vr.prototype, "thinInstanceCount", {
            get: function() {
                return this._thinInstanceDataStorage.instancesCount
            },
            set: function(e) {
                var t, i;
                e <= (null !== (i = null === (t = this._thinInstanceDataStorage.matrixData) || void 0 === t ? void 0 : t.length) && void 0 !== i ? i : 0) / 16 && (this._thinInstanceDataStorage.instancesCount = e)
            },
            enumerable: !0,
            configurable: !0
        }),
        Vr.prototype._thinInstanceCreateMatrixBuffer = function(e, t, i) {
            void 0 === i && (i = !1);
            for (var n = new wi(this.getEngine(),t,!i,16,!1,!0), r = 0; r < 4; r++)
                this.setVerticesBuffer(n.createVertexBuffer(e + r, 4 * r, 4));
            return n
        }
        ,
        Vr.prototype.thinInstanceSetBuffer = function(e, t, i, n) {
            var r, o, a;
            void 0 === i && (i = 0),
            void 0 === n && (n = !1),
            i = i || 16,
            "matrix" === e ? (null === (r = this._thinInstanceDataStorage.matrixBuffer) || void 0 === r || r.dispose(),
            this._thinInstanceDataStorage.matrixBuffer = null,
            this._thinInstanceDataStorage.matrixBufferSize = t ? t.length : 32 * i,
            this._thinInstanceDataStorage.matrixData = t,
            this._thinInstanceDataStorage.worldMatrices = null,
            null !== t ? (this._thinInstanceDataStorage.instancesCount = t.length / i,
            this._thinInstanceDataStorage.matrixBuffer = this._thinInstanceCreateMatrixBuffer("world", t, n),
            this.doNotSyncBoundingInfo || this.thinInstanceRefreshBoundingInfo(!1)) : (this._thinInstanceDataStorage.instancesCount = 0,
            this.doNotSyncBoundingInfo || this.refreshBoundingInfo())) : "previousMatrix" === e ? (null === (o = this._thinInstanceDataStorage.previousMatrixBuffer) || void 0 === o || o.dispose(),
            this._thinInstanceDataStorage.previousMatrixBuffer = null,
            this._thinInstanceDataStorage.previousMatrixData = t,
            null !== t && (this._thinInstanceDataStorage.previousMatrixBuffer = this._thinInstanceCreateMatrixBuffer("previousWorld", t, n))) : (e === Bi.ColorKind && (e = Bi.ColorInstanceKind),
            null === t ? (null === (a = this._userThinInstanceBuffersStorage) || void 0 === a ? void 0 : a.data[e]) && (this.removeVerticesData(e),
            delete this._userThinInstanceBuffersStorage.data[e],
            delete this._userThinInstanceBuffersStorage.strides[e],
            delete this._userThinInstanceBuffersStorage.sizes[e],
            delete this._userThinInstanceBuffersStorage.vertexBuffers[e]) : (this._thinInstanceInitializeUserStorage(),
            this._userThinInstanceBuffersStorage.data[e] = t,
            this._userThinInstanceBuffersStorage.strides[e] = i,
            this._userThinInstanceBuffersStorage.sizes[e] = t.length,
            this._userThinInstanceBuffersStorage.vertexBuffers[e] = new Bi(this.getEngine(),t,e,!n,!1,i,!0),
            this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[e])))
        }
        ,
        Vr.prototype.thinInstanceBufferUpdated = function(e) {
            var t, i, n;
            "matrix" === e ? null === (t = this._thinInstanceDataStorage.matrixBuffer) || void 0 === t || t.updateDirectly(this._thinInstanceDataStorage.matrixData, 0, this._thinInstanceDataStorage.instancesCount) : "previousMatrix" === e ? null === (i = this._thinInstanceDataStorage.previousMatrixBuffer) || void 0 === i || i.updateDirectly(this._thinInstanceDataStorage.previousMatrixData, 0, this._thinInstanceDataStorage.instancesCount) : (null === (n = this._userThinInstanceBuffersStorage) || void 0 === n ? void 0 : n.vertexBuffers[e]) && this._userThinInstanceBuffersStorage.vertexBuffers[e].updateDirectly(this._userThinInstanceBuffersStorage.data[e], 0)
        }
        ,
        Vr.prototype.thinInstancePartialBufferUpdate = function(e, t, i) {
            var n;
            "matrix" === e ? this._thinInstanceDataStorage.matrixBuffer && this._thinInstanceDataStorage.matrixBuffer.updateDirectly(t, i) : (null === (n = this._userThinInstanceBuffersStorage) || void 0 === n ? void 0 : n.vertexBuffers[e]) && this._userThinInstanceBuffersStorage.vertexBuffers[e].updateDirectly(t, i)
        }
        ,
        Vr.prototype.thinInstanceGetWorldMatrices = function() {
            if (!this._thinInstanceDataStorage.matrixData || !this._thinInstanceDataStorage.matrixBuffer)
                return [];
            var e = this._thinInstanceDataStorage.matrixData;
            if (!this._thinInstanceDataStorage.worldMatrices) {
                this._thinInstanceDataStorage.worldMatrices = new Array;
                for (var t = 0; t < this._thinInstanceDataStorage.instancesCount; ++t)
                    this._thinInstanceDataStorage.worldMatrices[t] = P.FromArray(e, 16 * t)
            }
            return this._thinInstanceDataStorage.worldMatrices
        }
        ,
        Vr.prototype.thinInstanceRefreshBoundingInfo = function(e, t, i) {
            if (void 0 === e && (e = !1),
            void 0 === t && (t = !1),
            void 0 === i && (i = !1),
            this._thinInstanceDataStorage.matrixData && this._thinInstanceDataStorage.matrixBuffer) {
                var n = this._thinInstanceDataStorage.boundingVectors;
                e && (n.length = 0,
                this.refreshBoundingInfo(t, i));
                var r = this.getBoundingInfo()
                  , o = this._thinInstanceDataStorage.matrixData;
                if (0 === n.length)
                    for (var a = 0; a < r.boundingBox.vectors.length; ++a)
                        n.push(r.boundingBox.vectors[a].clone());
                I.Vector3[0].setAll(Number.POSITIVE_INFINITY),
                I.Vector3[1].setAll(Number.NEGATIVE_INFINITY);
                for (var s = 0; s < this._thinInstanceDataStorage.instancesCount; ++s)
                    for (P.FromArrayToRef(o, 16 * s, I.Matrix[0]),
                    a = 0; a < n.length; ++a)
                        x.TransformCoordinatesToRef(n[a], I.Matrix[0], I.Vector3[2]),
                        I.Vector3[0].minimizeInPlace(I.Vector3[2]),
                        I.Vector3[1].maximizeInPlace(I.Vector3[2]);
                r.reConstruct(I.Vector3[0], I.Vector3[1]),
                this._updateBoundingInfo()
            }
        }
        ,
        Vr.prototype._thinInstanceUpdateBufferSize = function(e, t) {
            var i, n, r;
            void 0 === t && (t = 1);
            var o = "matrix" === e;
            if (o || this._userThinInstanceBuffersStorage && this._userThinInstanceBuffersStorage.strides[e]) {
                for (var a = o ? 16 : this._userThinInstanceBuffersStorage.strides[e], s = o ? this._thinInstanceDataStorage.matrixBufferSize : this._userThinInstanceBuffersStorage.sizes[e], l = o ? this._thinInstanceDataStorage.matrixData : this._userThinInstanceBuffersStorage.data[e], c = (this._thinInstanceDataStorage.instancesCount + t) * a, u = s; u < c; )
                    u *= 2;
                if (!l || s != u) {
                    if (l) {
                        var h = new Float32Array(u);
                        h.set(l, 0),
                        l = h
                    } else
                        l = new Float32Array(u);
                    o ? (null === (i = this._thinInstanceDataStorage.matrixBuffer) || void 0 === i || i.dispose(),
                    this._thinInstanceDataStorage.matrixBuffer = this._thinInstanceCreateMatrixBuffer("world", l, !1),
                    this._thinInstanceDataStorage.matrixData = l,
                    this._thinInstanceDataStorage.matrixBufferSize = u,
                    this._scene.needsPreviousWorldMatrices && !this._thinInstanceDataStorage.previousMatrixData && (null === (n = this._thinInstanceDataStorage.previousMatrixBuffer) || void 0 === n || n.dispose(),
                    this._thinInstanceDataStorage.previousMatrixBuffer = this._thinInstanceCreateMatrixBuffer("previousWorld", l, !1))) : (null === (r = this._userThinInstanceBuffersStorage.vertexBuffers[e]) || void 0 === r || r.dispose(),
                    this._userThinInstanceBuffersStorage.data[e] = l,
                    this._userThinInstanceBuffersStorage.sizes[e] = u,
                    this._userThinInstanceBuffersStorage.vertexBuffers[e] = new Bi(this.getEngine(),l,e,!0,!1,a,!0),
                    this.setVerticesBuffer(this._userThinInstanceBuffersStorage.vertexBuffers[e]))
                }
            }
        }
        ,
        Vr.prototype._thinInstanceInitializeUserStorage = function() {
            this._userThinInstanceBuffersStorage || (this._userThinInstanceBuffersStorage = {
                data: {},
                sizes: {},
                vertexBuffers: {},
                strides: {}
            })
        }
        ,
        Vr.prototype._disposeThinInstanceSpecificData = function() {
            var e;
            (null === (e = this._thinInstanceDataStorage) || void 0 === e ? void 0 : e.matrixBuffer) && (this._thinInstanceDataStorage.matrixBuffer.dispose(),
            this._thinInstanceDataStorage.matrixBuffer = null)
        }
        ;
        var ty = function() {
            function e(e) {
                void 0 === e && (e = Recast),
                this.bjsRECAST = {},
                this.name = "RecastJSPlugin",
                this._maximumSubStepCount = 10,
                this._timeStep = 1 / 60,
                this._worker = null,
                "function" == typeof e ? K.Error("RecastJS is not ready. Please make sure you await Recast() before using the plugin.") : this.bjsRECAST = e,
                this.isSupported() ? (this.setTimeStep(),
                this._tempVec1 = new this.bjsRECAST.Vec3,
                this._tempVec2 = new this.bjsRECAST.Vec3) : K.Error("RecastJS is not available. Please make sure you included the js file.")
            }
            return e.prototype.setWorkerURL = function(e) {
                return !(!window || !window.Worker || (this._worker = new Worker(e),
                0))
            }
            ,
            e.prototype.setTimeStep = function(e) {
                void 0 === e && (e = 1 / 60),
                this._timeStep = e
            }
            ,
            e.prototype.getTimeStep = function() {
                return this._timeStep
            }
            ,
            e.prototype.setMaximumSubStepCount = function(e) {
                void 0 === e && (e = 10),
                this._maximumSubStepCount = e
            }
            ,
            e.prototype.getMaximumSubStepCount = function() {
                return this._maximumSubStepCount
            }
            ,
            e.prototype.createNavMesh = function(e, t, i) {
                var n, r, o;
                this._worker && !i ? console.warn("A worker is avaible but no completion callback. Defaulting to blocking navmesh creation") : !this._worker && i && console.warn("A completion callback is avaible but no worker. Defaulting to blocking navmesh creation"),
                this.navMesh = new this.bjsRECAST.NavMesh;
                var a = []
                  , s = []
                  , l = 0;
                for (n = 0; n < e.length; n++)
                    if (e[n]) {
                        var c = e[n]
                          , u = c.getIndices();
                        if (!u)
                            continue;
                        var h = c.getVerticesData(Bi.PositionKind, !1, !1);
                        if (!h)
                            continue;
                        var d = []
                          , p = c.computeWorldMatrix(!0);
                        if (c.hasThinInstances)
                            for (var f = c.thinInstanceGetWorldMatrices(), _ = 0; _ < f.length; _++) {
                                var m = new P;
                                f[_].multiplyToRef(p, m),
                                d.push(m)
                            }
                        else
                            d.push(p);
                        for (var g = 0; g < d.length; g++) {
                            var v = d[g];
                            for (r = 0; r < u.length; r++)
                                a.push(u[r] + l);
                            var y = x.Zero()
                              , b = x.Zero();
                            for (o = 0; o < h.length; o += 3)
                                x.FromArrayToRef(h, o, b),
                                x.TransformCoordinatesToRef(b, v, y),
                                s.push(y.x, y.y, y.z);
                            l += h.length / 3
                        }
                    }
                if (this._worker && i)
                    this._worker.postMessage([s, l, a, a.length, t]),
                    this._worker.onmessage = function(e) {
                        i(e.data)
                    }
                    ;
                else {
                    var T = new this.bjsRECAST.rcConfig;
                    T.cs = t.cs,
                    T.ch = t.ch,
                    T.borderSize = t.borderSize ? t.borderSize : 0,
                    T.tileSize = t.tileSize ? t.tileSize : 0,
                    T.walkableSlopeAngle = t.walkableSlopeAngle,
                    T.walkableHeight = t.walkableHeight,
                    T.walkableClimb = t.walkableClimb,
                    T.walkableRadius = t.walkableRadius,
                    T.maxEdgeLen = t.maxEdgeLen,
                    T.maxSimplificationError = t.maxSimplificationError,
                    T.minRegionArea = t.minRegionArea,
                    T.mergeRegionArea = t.mergeRegionArea,
                    T.maxVertsPerPoly = t.maxVertsPerPoly,
                    T.detailSampleDist = t.detailSampleDist,
                    T.detailSampleMaxError = t.detailSampleMaxError,
                    this.navMesh.build(s, l, a, a.length, T)
                }
            }
            ,
            e.prototype.createDebugNavMesh = function(e) {
                var t, i, n = this.navMesh.getDebugNavMesh(), r = n.getTriangleCount(), o = [], a = [];
                for (t = 0; t < 3 * r; t++)
                    o.push(t);
                for (t = 0; t < r; t++)
                    for (i = 0; i < 3; i++) {
                        var s = n.getTriangle(t).getPoint(i);
                        a.push(s.x, s.y, s.z)
                    }
                var l = new Vr("NavMeshDebug",e)
                  , c = new $n;
                return c.indices = o,
                c.positions = a,
                c.applyToMesh(l, !1),
                l
            }
            ,
            e.prototype.getClosestPoint = function(e) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z;
                var t = this.navMesh.getClosestPoint(this._tempVec1);
                return new x(t.x,t.y,t.z)
            }
            ,
            e.prototype.getClosestPointToRef = function(e, t) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z;
                var i = this.navMesh.getClosestPoint(this._tempVec1);
                t.set(i.x, i.y, i.z)
            }
            ,
            e.prototype.getRandomPointAround = function(e, t) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z;
                var i = this.navMesh.getRandomPointAround(this._tempVec1, t);
                return new x(i.x,i.y,i.z)
            }
            ,
            e.prototype.getRandomPointAroundToRef = function(e, t, i) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z;
                var n = this.navMesh.getRandomPointAround(this._tempVec1, t);
                i.set(n.x, n.y, n.z)
            }
            ,
            e.prototype.moveAlong = function(e, t) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this._tempVec2.x = t.x,
                this._tempVec2.y = t.y,
                this._tempVec2.z = t.z;
                var i = this.navMesh.moveAlong(this._tempVec1, this._tempVec2);
                return new x(i.x,i.y,i.z)
            }
            ,
            e.prototype.moveAlongToRef = function(e, t, i) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this._tempVec2.x = t.x,
                this._tempVec2.y = t.y,
                this._tempVec2.z = t.z;
                var n = this.navMesh.moveAlong(this._tempVec1, this._tempVec2);
                i.set(n.x, n.y, n.z)
            }
            ,
            e.prototype.computePath = function(e, t) {
                var i;
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this._tempVec2.x = t.x,
                this._tempVec2.y = t.y,
                this._tempVec2.z = t.z;
                var n = this.navMesh.computePath(this._tempVec1, this._tempVec2)
                  , r = n.getPointCount()
                  , o = [];
                for (i = 0; i < r; i++) {
                    var a = n.getPoint(i);
                    o.push(new x(a.x,a.y,a.z))
                }
                return o
            }
            ,
            e.prototype.createCrowd = function(e, t, i) {
                return new iy(this,e,t,i)
            }
            ,
            e.prototype.setDefaultQueryExtent = function(e) {
                this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this.navMesh.setDefaultQueryExtent(this._tempVec1)
            }
            ,
            e.prototype.getDefaultQueryExtent = function() {
                var e = this.navMesh.getDefaultQueryExtent();
                return new x(e.x,e.y,e.z)
            }
            ,
            e.prototype.buildFromNavmeshData = function(e) {
                var t = e.length * e.BYTES_PER_ELEMENT
                  , i = this.bjsRECAST._malloc(t)
                  , n = new Uint8Array(this.bjsRECAST.HEAPU8.buffer,i,t);
                n.set(e);
                var r = new this.bjsRECAST.NavmeshData;
                r.dataPointer = n.byteOffset,
                r.size = e.length,
                this.navMesh = new this.bjsRECAST.NavMesh,
                this.navMesh.buildFromNavmeshData(r),
                this.bjsRECAST._free(n.byteOffset)
            }
            ,
            e.prototype.getNavmeshData = function() {
                var e = this.navMesh.getNavmeshData()
                  , t = new Uint8Array(this.bjsRECAST.HEAPU8.buffer,e.dataPointer,e.size)
                  , i = new Uint8Array(e.size);
                return i.set(t),
                this.navMesh.freeNavmeshData(e),
                i
            }
            ,
            e.prototype.getDefaultQueryExtentToRef = function(e) {
                var t = this.navMesh.getDefaultQueryExtent();
                e.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype.addCylinderObstacle = function(e, t, i) {
                return this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this.navMesh.addCylinderObstacle(this._tempVec1, t, i)
            }
            ,
            e.prototype.addBoxObstacle = function(e, t, i) {
                return this._tempVec1.x = e.x,
                this._tempVec1.y = e.y,
                this._tempVec1.z = e.z,
                this._tempVec2.x = t.x,
                this._tempVec2.y = t.y,
                this._tempVec2.z = t.z,
                this.navMesh.addBoxObstacle(this._tempVec1, this._tempVec2, i)
            }
            ,
            e.prototype.removeObstacle = function(e) {
                this.navMesh.removeObstacle(e)
            }
            ,
            e.prototype.isSupported = function() {
                return void 0 !== this.bjsRECAST
            }
            ,
            e
        }()
          , iy = function() {
            function e(e, t, i, n) {
                var r = this;
                this.recastCrowd = {},
                this.transforms = new Array,
                this.agents = new Array,
                this.reachRadii = new Array,
                this._agentDestinationArmed = new Array,
                this._agentDestination = new Array,
                this._onBeforeAnimationsObserver = null,
                this.onReachTargetObservable = new h,
                this.bjsRECASTPlugin = e,
                this.recastCrowd = new this.bjsRECASTPlugin.bjsRECAST.Crowd(t,i,this.bjsRECASTPlugin.navMesh.getNavMesh()),
                this._scene = n,
                this._onBeforeAnimationsObserver = n.onBeforeAnimationsObservable.add((function() {
                    r.update(.001 * n.getEngine().getDeltaTime())
                }
                ))
            }
            return e.prototype.addAgent = function(e, t, i) {
                var n = new this.bjsRECASTPlugin.bjsRECAST.dtCrowdAgentParams;
                n.radius = t.radius,
                n.height = t.height,
                n.maxAcceleration = t.maxAcceleration,
                n.maxSpeed = t.maxSpeed,
                n.collisionQueryRange = t.collisionQueryRange,
                n.pathOptimizationRange = t.pathOptimizationRange,
                n.separationWeight = t.separationWeight,
                n.updateFlags = 7,
                n.obstacleAvoidanceType = 0,
                n.queryFilterType = 0,
                n.userData = 0;
                var r = this.recastCrowd.addAgent(new this.bjsRECASTPlugin.bjsRECAST.Vec3(e.x,e.y,e.z), n);
                return this.transforms.push(i),
                this.agents.push(r),
                this.reachRadii.push(t.reachRadius ? t.reachRadius : t.radius),
                this._agentDestinationArmed.push(!1),
                this._agentDestination.push(new x(0,0,0)),
                r
            }
            ,
            e.prototype.getAgentPosition = function(e) {
                var t = this.recastCrowd.getAgentPosition(e);
                return new x(t.x,t.y,t.z)
            }
            ,
            e.prototype.getAgentPositionToRef = function(e, t) {
                var i = this.recastCrowd.getAgentPosition(e);
                t.set(i.x, i.y, i.z)
            }
            ,
            e.prototype.getAgentVelocity = function(e) {
                var t = this.recastCrowd.getAgentVelocity(e);
                return new x(t.x,t.y,t.z)
            }
            ,
            e.prototype.getAgentVelocityToRef = function(e, t) {
                var i = this.recastCrowd.getAgentVelocity(e);
                t.set(i.x, i.y, i.z)
            }
            ,
            e.prototype.getAgentNextTargetPath = function(e) {
                var t = this.recastCrowd.getAgentNextTargetPath(e);
                return new x(t.x,t.y,t.z)
            }
            ,
            e.prototype.getAgentNextTargetPathToRef = function(e, t) {
                var i = this.recastCrowd.getAgentNextTargetPath(e);
                t.set(i.x, i.y, i.z)
            }
            ,
            e.prototype.getAgentState = function(e) {
                return this.recastCrowd.getAgentState(e)
            }
            ,
            e.prototype.overOffmeshConnection = function(e) {
                return this.recastCrowd.overOffmeshConnection(e)
            }
            ,
            e.prototype.agentGoto = function(e, t) {
                this.recastCrowd.agentGoto(e, new this.bjsRECASTPlugin.bjsRECAST.Vec3(t.x,t.y,t.z));
                var i = this.agents.indexOf(e);
                i > -1 && (this._agentDestinationArmed[i] = !0,
                this._agentDestination[i].set(t.x, t.y, t.z))
            }
            ,
            e.prototype.agentTeleport = function(e, t) {
                this.recastCrowd.agentTeleport(e, new this.bjsRECASTPlugin.bjsRECAST.Vec3(t.x,t.y,t.z))
            }
            ,
            e.prototype.updateAgentParameters = function(e, t) {
                var i = this.recastCrowd.getAgentParameters(e);
                void 0 !== t.radius && (i.radius = t.radius),
                void 0 !== t.height && (i.height = t.height),
                void 0 !== t.maxAcceleration && (i.maxAcceleration = t.maxAcceleration),
                void 0 !== t.maxSpeed && (i.maxSpeed = t.maxSpeed),
                void 0 !== t.collisionQueryRange && (i.collisionQueryRange = t.collisionQueryRange),
                void 0 !== t.pathOptimizationRange && (i.pathOptimizationRange = t.pathOptimizationRange),
                void 0 !== t.separationWeight && (i.separationWeight = t.separationWeight),
                this.recastCrowd.setAgentParameters(e, i)
            }
            ,
            e.prototype.removeAgent = function(e) {
                this.recastCrowd.removeAgent(e);
                var t = this.agents.indexOf(e);
                t > -1 && (this.agents.splice(t, 1),
                this.transforms.splice(t, 1),
                this.reachRadii.splice(t, 1),
                this._agentDestinationArmed.splice(t, 1),
                this._agentDestination.splice(t, 1))
            }
            ,
            e.prototype.getAgents = function() {
                return this.agents
            }
            ,
            e.prototype.update = function(e) {
                this.bjsRECASTPlugin.navMesh.update();
                var t = this.bjsRECASTPlugin.getTimeStep()
                  , i = this.bjsRECASTPlugin.getMaximumSubStepCount();
                if (t <= m)
                    this.recastCrowd.update(e);
                else {
                    var n = Math.floor(e / t);
                    i && n > i && (n = i),
                    n < 1 && (n = 1);
                    for (var r = e / n, o = 0; o < n; o++)
                        this.recastCrowd.update(r)
                }
                for (var a = 0; a < this.agents.length; a++) {
                    var s = this.agents[a]
                      , l = this.getAgentPosition(s);
                    if (this.transforms[a].position = l,
                    this._agentDestinationArmed[a]) {
                        var c = l.x - this._agentDestination[a].x
                          , u = l.z - this._agentDestination[a].z
                          , h = this.reachRadii[a]
                          , d = this._agentDestination[a].y - this.reachRadii[a]
                          , p = this._agentDestination[a].y + this.reachRadii[a]
                          , f = c * c + u * u;
                        l.y > d && l.y < p && f < h * h && (this.onReachTargetObservable.notifyObservers({
                            agentIndex: s,
                            destination: this._agentDestination[a]
                        }),
                        this._agentDestinationArmed[a] = !1)
                    }
                }
            }
            ,
            e.prototype.setDefaultQueryExtent = function(e) {
                var t = new this.bjsRECASTPlugin.bjsRECAST.Vec3(e.x,e.y,e.z);
                this.recastCrowd.setDefaultQueryExtent(t)
            }
            ,
            e.prototype.getDefaultQueryExtent = function() {
                var e = this.recastCrowd.getDefaultQueryExtent();
                return new x(e.x,e.y,e.z)
            }
            ,
            e.prototype.getDefaultQueryExtentToRef = function(e) {
                var t = this.recastCrowd.getDefaultQueryExtent();
                e.set(t.x, t.y, t.z)
            }
            ,
            e.prototype.getCorners = function(e) {
                var t, i = this.recastCrowd.getPath(e), n = i.getPointCount(), r = [];
                for (t = 0; t < n; t++) {
                    var o = i.getPoint(t);
                    r.push(new x(o.x,o.y,o.z))
                }
                return r
            }
            ,
            e.prototype.dispose = function() {
                this.recastCrowd.destroy(),
                this._scene.onBeforeAnimationsObservable.remove(this._onBeforeAnimationsObserver),
                this._onBeforeAnimationsObserver = null,
                this.onReachTargetObservable.clear()
            }
            ,
            e
        }();
        vr.OfflineProviderFactory = function(e, t, i) {
            return void 0 === i && (i = !1),
            new ny(e,t,i)
        }
        ;
        var ny = function() {
            function e(t, i, n) {
                void 0 === n && (n = !1),
                this._idbFactory = "undefined" != typeof window ? window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB : indexedDB,
                this._currentSceneUrl = e._ReturnFullUrlLocation(t),
                this._db = null,
                this._enableSceneOffline = !1,
                this._enableTexturesOffline = !1,
                this._manifestVersionFound = 0,
                this._mustUpdateRessources = !1,
                this._hasReachedQuota = !1,
                e.IDBStorageEnabled ? n ? (this._enableSceneOffline = !0,
                this._enableTexturesOffline = !0,
                this._manifestVersionFound = 1,
                gi.SetImmediate((function() {
                    i(!0)
                }
                ))) : this._checkManifestFile(i) : i(!0)
            }
            return Object.defineProperty(e.prototype, "enableSceneOffline", {
                get: function() {
                    return this._enableSceneOffline
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enableTexturesOffline", {
                get: function() {
                    return this._enableTexturesOffline
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._checkManifestFile = function(t) {
                var i = this
                  , n = function() {
                    i._enableSceneOffline = !1,
                    i._enableTexturesOffline = !1,
                    t(!1)
                }
                  , r = function() {
                    try {
                        if ("function" == typeof URL && 0 === i._currentSceneUrl.indexOf("http")) {
                            var e = new URL(i._currentSceneUrl);
                            return e.pathname += ".manifest",
                            e.toString()
                        }
                    } catch (e) {}
                    return "".concat(i._currentSceneUrl, ".manifest")
                }
                  , o = !1
                  , a = r()
                  , s = new Ye;
                navigator.onLine && (o = !0,
                a = a + (null == a.match(/\?/) ? "?" : "&") + Date.now()),
                s.open("GET", a),
                s.addEventListener("load", (function() {
                    if (200 === s.status || e._ValidateXHRData(s, 1))
                        try {
                            var r = JSON.parse(s.response);
                            i._enableSceneOffline = r.enableSceneOffline,
                            i._enableTexturesOffline = r.enableTexturesOffline && e._IsUASupportingBlobStorage,
                            r.version && !isNaN(parseInt(r.version)) && (i._manifestVersionFound = r.version),
                            t(!0)
                        } catch (e) {
                            n()
                        }
                    else
                        n()
                }
                ), !1),
                s.addEventListener("error", (function() {
                    if (o) {
                        o = !1;
                        var e = r();
                        s.open("GET", e),
                        s.send()
                    } else
                        n()
                }
                ), !1);
                try {
                    s.send()
                } catch (e) {
                    K.Error("Error on XHR send request."),
                    t(!1)
                }
            }
            ,
            e.prototype.open = function(e, t) {
                var i = this
                  , n = function() {
                    i._isSupported = !1,
                    t && t()
                };
                if (this._idbFactory && (this._enableSceneOffline || this._enableTexturesOffline))
                    if (this._db)
                        e && e();
                    else {
                        this._hasReachedQuota = !1,
                        this._isSupported = !0;
                        var r = this._idbFactory.open("babylonjs", 1);
                        r.onerror = function() {
                            n()
                        }
                        ,
                        r.onblocked = function() {
                            K.Error("IDB request blocked. Please reload the page."),
                            n()
                        }
                        ,
                        r.onsuccess = function() {
                            i._db = r.result,
                            e()
                        }
                        ,
                        r.onupgradeneeded = function(e) {
                            if (i._db = e.target.result,
                            i._db)
                                try {
                                    i._db.createObjectStore("scenes", {
                                        keyPath: "sceneUrl"
                                    }),
                                    i._db.createObjectStore("versions", {
                                        keyPath: "sceneUrl"
                                    }),
                                    i._db.createObjectStore("textures", {
                                        keyPath: "textureUrl"
                                    })
                                } catch (e) {
                                    K.Error("Error while creating object stores. Exception: " + e.message),
                                    n()
                                }
                        }
                    }
                else
                    this._isSupported = !1,
                    t && t()
            }
            ,
            e.prototype.loadImage = function(t, i) {
                var n = this
                  , r = e._ReturnFullUrlLocation(t)
                  , o = function() {
                    n._hasReachedQuota || null === n._db ? i.src = t : n._saveImageIntoDBAsync(r, i)
                };
                this._mustUpdateRessources ? o() : this._loadImageFromDBAsync(r, i, o)
            }
            ,
            e.prototype._loadImageFromDBAsync = function(e, t, i) {
                if (this._isSupported && null !== this._db) {
                    var n, r = this._db.transaction(["textures"]);
                    r.onabort = function() {
                        t.src = e
                    }
                    ,
                    r.oncomplete = function() {
                        var r;
                        if (n) {
                            var o = window.URL || window.webkitURL;
                            r = o.createObjectURL(n.data),
                            t.onerror = function() {
                                K.Error("Error loading image from blob URL: " + r + " switching back to web url: " + e),
                                t.src = e
                            }
                            ,
                            t.src = r
                        } else
                            i()
                    }
                    ;
                    var o = r.objectStore("textures").get(e);
                    o.onsuccess = function(e) {
                        n = e.target.result
                    }
                    ,
                    o.onerror = function() {
                        K.Error("Error loading texture " + e + " from DB."),
                        t.src = e
                    }
                } else
                    K.Error("Error: IndexedDB not supported by your browser or BabylonJS Database is not open."),
                    t.src = e
            }
            ,
            e.prototype._saveImageIntoDBAsync = function(t, i) {
                var n, r = this;
                if (this._isSupported) {
                    var o = function() {
                        var e;
                        if (n) {
                            var t = window.URL || window.webkitURL;
                            try {
                                e = t.createObjectURL(n)
                            } catch (i) {
                                e = t.createObjectURL(n)
                            }
                        }
                        e && (i.src = e)
                    };
                    if (e._IsUASupportingBlobStorage) {
                        var a = new Ye;
                        a.open("GET", t),
                        a.responseType = "blob",
                        a.addEventListener("load", (function() {
                            if (200 === a.status && r._db) {
                                n = a.response;
                                var s = r._db.transaction(["textures"], "readwrite");
                                s.onabort = function(e) {
                                    try {
                                        var t = (e.srcElement || e.target).error;
                                        t && "QuotaExceededError" === t.name && (r._hasReachedQuota = !0)
                                    } catch (e) {}
                                    o()
                                }
                                ,
                                s.oncomplete = function() {
                                    o()
                                }
                                ;
                                var l = {
                                    textureUrl: t,
                                    data: n
                                };
                                try {
                                    var c = s.objectStore("textures").put(l);
                                    c.onsuccess = function() {}
                                    ,
                                    c.onerror = function() {
                                        o()
                                    }
                                } catch (n) {
                                    25 === n.code && (e._IsUASupportingBlobStorage = !1,
                                    r._enableTexturesOffline = !1),
                                    i.src = t
                                }
                            } else
                                i.src = t
                        }
                        ), !1),
                        a.addEventListener("error", (function() {
                            K.Error("Error in XHR request in BABYLON.Database."),
                            i.src = t
                        }
                        ), !1),
                        a.send()
                    } else
                        i.src = t
                } else
                    K.Error("Error: IndexedDB not supported by your browser or Babylon.js database is not open."),
                    i.src = t
            }
            ,
            e.prototype._checkVersionFromDB = function(e, t) {
                var i = this;
                this._loadVersionFromDBAsync(e, t, (function() {
                    i._saveVersionIntoDBAsync(e, t)
                }
                ))
            }
            ,
            e.prototype._loadVersionFromDBAsync = function(e, t, i) {
                var n, r = this;
                if (this._isSupported && this._db)
                    try {
                        var o = this._db.transaction(["versions"]);
                        o.oncomplete = function() {
                            n ? r._manifestVersionFound !== n.data ? (r._mustUpdateRessources = !0,
                            i()) : t(n.data) : (r._mustUpdateRessources = !0,
                            i())
                        }
                        ,
                        o.onabort = function() {
                            t(-1)
                        }
                        ;
                        var a = o.objectStore("versions").get(e);
                        a.onsuccess = function(e) {
                            n = e.target.result
                        }
                        ,
                        a.onerror = function() {
                            K.Error("Error loading version for scene " + e + " from DB."),
                            t(-1)
                        }
                    } catch (e) {
                        K.Error("Error while accessing 'versions' object store (READ OP). Exception: " + e.message),
                        t(-1)
                    }
                else
                    K.Error("Error: IndexedDB not supported by your browser or Babylon.js database is not open."),
                    t(-1)
            }
            ,
            e.prototype._saveVersionIntoDBAsync = function(e, t) {
                var i = this;
                if (this._isSupported && !this._hasReachedQuota && this._db)
                    try {
                        var n = this._db.transaction(["versions"], "readwrite");
                        n.onabort = function(e) {
                            try {
                                var n = e.srcElement.error;
                                n && "QuotaExceededError" === n.name && (i._hasReachedQuota = !0)
                            } catch (e) {}
                            t(-1)
                        }
                        ,
                        n.oncomplete = function() {
                            t(i._manifestVersionFound)
                        }
                        ;
                        var r = {
                            sceneUrl: e,
                            data: this._manifestVersionFound
                        }
                          , o = n.objectStore("versions").put(r);
                        o.onsuccess = function() {}
                        ,
                        o.onerror = function() {
                            K.Error("Error in DB add version request in BABYLON.Database.")
                        }
                    } catch (e) {
                        K.Error("Error while accessing 'versions' object store (WRITE OP). Exception: " + e.message),
                        t(-1)
                    }
                else
                    t(-1)
            }
            ,
            e.prototype.loadFile = function(t, i, n, r, o) {
                var a = this
                  , s = e._ReturnFullUrlLocation(t)
                  , l = function() {
                    a._saveFileAsync(s, i, n, o, r)
                };
                this._checkVersionFromDB(s, (function(e) {
                    -1 !== e ? a._mustUpdateRessources ? a._saveFileAsync(s, i, n, o, r) : a._loadFileAsync(s, i, l) : r && r()
                }
                ))
            }
            ,
            e.prototype._loadFileAsync = function(e, t, i) {
                if (this._isSupported && this._db) {
                    var n, r;
                    r = -1 !== e.indexOf(".babylon") ? "scenes" : "textures";
                    var o = this._db.transaction([r]);
                    o.oncomplete = function() {
                        n ? t(n.data) : i()
                    }
                    ,
                    o.onabort = function() {
                        i()
                    }
                    ;
                    var a = o.objectStore(r).get(e);
                    a.onsuccess = function(e) {
                        n = e.target.result
                    }
                    ,
                    a.onerror = function() {
                        K.Error("Error loading file " + e + " from DB."),
                        i()
                    }
                } else
                    K.Error("Error: IndexedDB not supported by your browser or BabylonJS Database is not open."),
                    t()
            }
            ,
            e.prototype._saveFileAsync = function(t, i, n, r, o) {
                var a = this;
                if (this._isSupported) {
                    var s;
                    s = -1 !== t.indexOf(".babylon") ? "scenes" : "textures";
                    var l, c = new Ye;
                    c.open("GET", t + (null == t.match(/\?/) ? "?" : "&") + Date.now()),
                    r && (c.responseType = "arraybuffer"),
                    n && (c.onprogress = n),
                    c.addEventListener("load", (function() {
                        if (200 === c.status || c.status < 400 && e._ValidateXHRData(c, r ? 6 : 1))
                            if (l = r ? c.response : c.responseText,
                            !a._hasReachedQuota && a._db) {
                                var n = a._db.transaction([s], "readwrite");
                                n.onabort = function(e) {
                                    try {
                                        var t = e.srcElement.error;
                                        t && "QuotaExceededError" === t.name && (a._hasReachedQuota = !0)
                                    } catch (e) {}
                                    i(l)
                                }
                                ,
                                n.oncomplete = function() {
                                    i(l)
                                }
                                ;
                                var u;
                                u = "scenes" === s ? {
                                    sceneUrl: t,
                                    data: l,
                                    version: a._manifestVersionFound
                                } : {
                                    textureUrl: t,
                                    data: l
                                };
                                try {
                                    var h = n.objectStore(s).put(u);
                                    h.onsuccess = function() {}
                                    ,
                                    h.onerror = function() {
                                        K.Error("Error in DB add file request in BABYLON.Database.")
                                    }
                                } catch (e) {
                                    i(l)
                                }
                            } else
                                i(l);
                        else
                            c.status >= 400 && o ? o(c) : i()
                    }
                    ), !1),
                    c.addEventListener("error", (function() {
                        K.Error("error on XHR request."),
                        i()
                    }
                    ), !1),
                    c.send()
                } else
                    K.Error("Error: IndexedDB not supported by your browser or Babylon.js database is not open."),
                    i()
            }
            ,
            e._ValidateXHRData = function(e, t) {
                void 0 === t && (t = 7);
                try {
                    if (1 & t) {
                        if (e.responseText && e.responseText.length > 0)
                            return !0;
                        if (1 === t)
                            return !1
                    }
                    if (2 & t) {
                        var i = q_(e.response);
                        if (i.width && i.height && i.width > 0 && i.height > 0)
                            return !0;
                        if (2 === t)
                            return !1
                    }
                    if (4 & t) {
                        var n = new Uint8Array(e.response,0,3);
                        return 68 === n[0] && 68 === n[1] && 83 === n[2]
                    }
                } catch (e) {}
                return !1
            }
            ,
            e._IsUASupportingBlobStorage = !0,
            e.IDBStorageEnabled = !1,
            e._ParseURL = function(e) {
                document.createElement("a").href = e;
                var t = e.substring(0, e.lastIndexOf("#"))
                  , i = e.substring(t.lastIndexOf("/") + 1, e.length);
                return e.substring(0, e.indexOf(i, 0))
            }
            ,
            e._ReturnFullUrlLocation = function(t) {
                return -1 === t.indexOf("http:/") && -1 === t.indexOf("https:/") && "undefined" != typeof window ? e._ParseURL(window.location.href) + t : t
            }
            ,
            e
        }()
          , ry = function() {
            function e(e) {
                this._isUbo(e) ? (this.setMatrix3x3 = e.updateMatrix3x3.bind(e),
                this.setMatrix2x2 = e.updateMatrix2x2.bind(e),
                this.setFloat = e.updateFloat.bind(e),
                this.setFloat2 = e.updateFloat2.bind(e),
                this.setFloat3 = e.updateFloat3.bind(e),
                this.setFloat4 = e.updateFloat4.bind(e),
                this.setFloatArray = e.updateFloatArray.bind(e),
                this.setArray = e.updateArray.bind(e),
                this.setIntArray = e.updateIntArray.bind(e),
                this.setMatrix = e.updateMatrix.bind(e),
                this.setMatrices = e.updateMatrices.bind(e),
                this.setVector3 = e.updateVector3.bind(e),
                this.setVector4 = e.updateVector4.bind(e),
                this.setColor3 = e.updateColor3.bind(e),
                this.setColor4 = e.updateColor4.bind(e),
                this.setDirectColor4 = e.updateDirectColor4.bind(e),
                this.setInt = e.updateInt.bind(e),
                this.setInt2 = e.updateInt2.bind(e),
                this.setInt3 = e.updateInt3.bind(e),
                this.setInt4 = e.updateInt4.bind(e)) : (this.setMatrix3x3 = e.setMatrix3x3.bind(e),
                this.setMatrix2x2 = e.setMatrix2x2.bind(e),
                this.setFloat = e.setFloat.bind(e),
                this.setFloat2 = e.setFloat2.bind(e),
                this.setFloat3 = e.setFloat3.bind(e),
                this.setFloat4 = e.setFloat4.bind(e),
                this.setFloatArray = e.setFloatArray.bind(e),
                this.setArray = e.setArray.bind(e),
                this.setIntArray = e.setIntArray.bind(e),
                this.setMatrix = e.setMatrix.bind(e),
                this.setMatrices = e.setMatrices.bind(e),
                this.setVector3 = e.setVector3.bind(e),
                this.setVector4 = e.setVector4.bind(e),
                this.setColor3 = e.setColor3.bind(e),
                this.setColor4 = e.setColor4.bind(e),
                this.setDirectColor4 = e.setDirectColor4.bind(e),
                this.setInt = e.setInt.bind(e),
                this.setInt2 = e.setInt2.bind(e),
                this.setInt3 = e.setInt3.bind(e),
                this.setInt4 = e.setInt4.bind(e))
            }
            return e.prototype._isUbo = function(e) {
                return void 0 !== e.addUniform
            }
            ,
            e
        }();
        Pt.ShadersStore.gpuUpdateParticlesPixelShader = "#version 300 es\nvoid main() {\ndiscard;\n}\n";
        Pt.ShadersStore.gpuUpdateParticlesVertexShader = "#version 300 es\n#define PI 3.14159\nuniform float currentCount;\nuniform float timeDelta;\nuniform float stopFactor;\n#ifndef LOCAL\nuniform mat4 emitterWM;\n#endif\nuniform vec2 lifeTime;\nuniform vec2 emitPower;\nuniform vec2 sizeRange;\nuniform vec4 scaleRange;\n#ifndef COLORGRADIENTS\nuniform vec4 color1;\nuniform vec4 color2;\n#endif\nuniform vec3 gravity;\nuniform sampler2D randomSampler;\nuniform sampler2D randomSampler2;\nuniform vec4 angleRange;\n#ifdef BOXEMITTER\nuniform vec3 direction1;\nuniform vec3 direction2;\nuniform vec3 minEmitBox;\nuniform vec3 maxEmitBox;\n#endif\n#ifdef POINTEMITTER\nuniform vec3 direction1;\nuniform vec3 direction2;\n#endif\n#ifdef HEMISPHERICEMITTER\nuniform float radius;\nuniform float radiusRange;\nuniform float directionRandomizer;\n#endif\n#ifdef SPHEREEMITTER\nuniform float radius;\nuniform float radiusRange;\n#ifdef DIRECTEDSPHEREEMITTER\nuniform vec3 direction1;\nuniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CYLINDEREMITTER\nuniform float radius;\nuniform float height;\nuniform float radiusRange;\n#ifdef DIRECTEDCYLINDEREMITTER\nuniform vec3 direction1;\nuniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CONEEMITTER\nuniform vec2 radius;\nuniform float coneAngle;\nuniform vec2 height;\nuniform float directionRandomizer;\n#endif\nin vec3 position;\n#ifdef CUSTOMEMITTER\nin vec3 initialPosition;\n#endif\nin float age;\nin float life;\nin vec4 seed;\nin vec3 size;\n#ifndef COLORGRADIENTS\nin vec4 color;\n#endif\nin vec3 direction;\n#ifndef BILLBOARD\nin vec3 initialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nin float angle;\n#else\nin vec2 angle;\n#endif\n#ifdef ANIMATESHEET\nin float cellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nin float cellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nin vec3 noiseCoordinates1;\nin vec3 noiseCoordinates2;\n#endif\nout vec3 outPosition;\n#ifdef CUSTOMEMITTER\nout vec3 outInitialPosition;\n#endif\nout float outAge;\nout float outLife;\nout vec4 outSeed;\nout vec3 outSize;\n#ifndef COLORGRADIENTS\nout vec4 outColor;\n#endif\nout vec3 outDirection;\n#ifndef BILLBOARD\nout vec3 outInitialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nout float outAngle;\n#else\nout vec2 outAngle;\n#endif\n#ifdef ANIMATESHEET\nout float outCellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nout float outCellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nout vec3 outNoiseCoordinates1;\nout vec3 outNoiseCoordinates2;\n#endif\n#ifdef SIZEGRADIENTS\nuniform sampler2D sizeGradientSampler;\n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nuniform sampler2D angularSpeedGradientSampler;\n#endif \n#ifdef VELOCITYGRADIENTS\nuniform sampler2D velocityGradientSampler;\n#endif\n#ifdef LIMITVELOCITYGRADIENTS\nuniform sampler2D limitVelocityGradientSampler;\nuniform float limitVelocityDamping;\n#endif\n#ifdef DRAGGRADIENTS\nuniform sampler2D dragGradientSampler;\n#endif\n#ifdef NOISE\nuniform vec3 noiseStrength;\nuniform sampler2D noiseSampler;\n#endif\n#ifdef ANIMATESHEET\nuniform vec4 cellInfos;\n#endif\nvec3 getRandomVec3(float offset) {\nreturn texture(randomSampler2,vec2(float(gl_VertexID)*offset/currentCount,0)).rgb;\n}\nvec4 getRandomVec4(float offset) {\nreturn texture(randomSampler,vec2(float(gl_VertexID)*offset/currentCount,0));\n}\nvoid main() {\nfloat newAge=age+timeDelta; \nif (newAge>=life && stopFactor != 0.) {\nvec3 newPosition;\nvec3 newDirection;\nvec4 randoms=getRandomVec4(seed.x);\noutLife=lifeTime.x+(lifeTime.y-lifeTime.x)*randoms.r;\noutAge=newAge-life;\noutSeed=seed;\n#ifdef SIZEGRADIENTS \noutSize.x=texture(sizeGradientSampler,vec2(0,0)).r;\n#else\noutSize.x=sizeRange.x+(sizeRange.y-sizeRange.x)*randoms.g;\n#endif\noutSize.y=scaleRange.x+(scaleRange.y-scaleRange.x)*randoms.b;\noutSize.z=scaleRange.z+(scaleRange.w-scaleRange.z)*randoms.a; \n#ifndef COLORGRADIENTS\noutColor=color1+(color2-color1)*randoms.b;\n#endif\n#ifndef ANGULARSPEEDGRADIENTS \noutAngle.y=angleRange.x+(angleRange.y-angleRange.x)*randoms.a;\noutAngle.x=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#else\noutAngle=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#endif \n#ifdef POINTEMITTER\nvec3 randoms2=getRandomVec3(seed.y);\nvec3 randoms3=getRandomVec3(seed.z);\nnewPosition=vec3(0,0,0);\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#elif defined(BOXEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);\nvec3 randoms3=getRandomVec3(seed.z);\nnewPosition=minEmitBox+(maxEmitBox-minEmitBox)*randoms2;\nnewDirection=direction1+(direction2-direction1)*randoms3; \n#elif defined(HEMISPHERICEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);\nvec3 randoms3=getRandomVec3(seed.z);\nfloat phi=2.0*PI*randoms2.x;\nfloat theta=acos(2.0*randoms2.y-1.0);\nfloat randX=cos(phi)*sin(theta);\nfloat randY=cos(theta);\nfloat randZ=sin(phi)*sin(theta);\nnewPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,abs(randY),randZ);\nnewDirection=newPosition+directionRandomizer*randoms3; \n#elif defined(SPHEREEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);\nvec3 randoms3=getRandomVec3(seed.z);\nfloat phi=2.0*PI*randoms2.x;\nfloat theta=acos(2.0*randoms2.y-1.0);\nfloat randX=cos(phi)*sin(theta);\nfloat randY=cos(theta);\nfloat randZ=sin(phi)*sin(theta);\nnewPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,randY,randZ);\n#ifdef DIRECTEDSPHEREEMITTER\nnewDirection=normalize(direction1+(direction2-direction1)*randoms3);\n#else\nnewDirection=normalize(newPosition+directionRandomizer*randoms3);\n#endif\n#elif defined(CYLINDEREMITTER)\nvec3 randoms2=getRandomVec3(seed.y);\nvec3 randoms3=getRandomVec3(seed.z);\nfloat yPos=(randoms2.x-0.5)*height;\nfloat angle=randoms2.y*PI*2.;\nfloat inverseRadiusRangeSquared=((1.-radiusRange)*(1.-radiusRange));\nfloat positionRadius=radius*sqrt(inverseRadiusRangeSquared+(randoms2.z*(1.-inverseRadiusRangeSquared)));\nfloat xPos=positionRadius*cos(angle);\nfloat zPos=positionRadius*sin(angle);\nnewPosition=vec3(xPos,yPos,zPos);\n#ifdef DIRECTEDCYLINDEREMITTER\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#else\nangle=angle+((randoms3.x-0.5)*PI)*directionRandomizer;\nnewDirection=vec3(cos(angle),(randoms3.y-0.5)*directionRandomizer,sin(angle));\nnewDirection=normalize(newDirection);\n#endif\n#elif defined(CONEEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);\nfloat s=2.0*PI*randoms2.x;\n#ifdef CONEEMITTERSPAWNPOINT\nfloat h=0.0001;\n#else\nfloat h=randoms2.y*height.y;\nh=1.-h*h; \n#endif\nfloat lRadius=radius.x-radius.x*randoms2.z*radius.y;\nlRadius=lRadius*h;\nfloat randX=lRadius*sin(s);\nfloat randZ=lRadius*cos(s);\nfloat randY=h *height.x;\nnewPosition=vec3(randX,randY,randZ); \nif (abs(cos(coneAngle))==1.0) {\nnewDirection=vec3(0.,1.0,0.);\n} else {\nvec3 randoms3=getRandomVec3(seed.z);\nnewDirection=normalize(newPosition+directionRandomizer*randoms3); \n}\n#elif defined(CUSTOMEMITTER)\nnewPosition=initialPosition;\noutInitialPosition=initialPosition;\n#else \nnewPosition=vec3(0.,0.,0.);\nnewDirection=2.0*(getRandomVec3(seed.w)-vec3(0.5,0.5,0.5));\n#endif\nfloat power=emitPower.x+(emitPower.y-emitPower.x)*randoms.a;\n#ifdef LOCAL\noutPosition=newPosition;\n#else\noutPosition=(emitterWM*vec4(newPosition,1.)).xyz;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#ifndef BILLBOARD \noutInitialDirection=direction;\n#endif\n#else\n#ifdef LOCAL\nvec3 initial=newDirection;\n#else \nvec3 initial=(emitterWM*vec4(newDirection,0.)).xyz;\n#endif\noutDirection=initial*power;\n#ifndef BILLBOARD \noutInitialDirection=initial;\n#endif\n#endif\n#ifdef ANIMATESHEET \noutCellIndex=cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=randoms.a*outLife;\n#endif \n#endif\n#ifdef NOISE\noutNoiseCoordinates1=noiseCoordinates1;\noutNoiseCoordinates2=noiseCoordinates2;\n#endif\n} else {\nfloat directionScale=timeDelta;\noutAge=newAge;\nfloat ageGradient=newAge/life;\n#ifdef VELOCITYGRADIENTS\ndirectionScale*=texture(velocityGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#ifdef DRAGGRADIENTS\ndirectionScale*=1.0-texture(dragGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#if defined(CUSTOMEMITTER)\noutPosition=position+(direction-position)*ageGradient; \noutInitialPosition=initialPosition;\n#else\noutPosition=position+direction*directionScale;\n#endif\noutLife=life;\noutSeed=seed;\n#ifndef COLORGRADIENTS \noutColor=color;\n#endif\n#ifdef SIZEGRADIENTS\noutSize.x=texture(sizeGradientSampler,vec2(ageGradient,0)).r;\noutSize.yz=size.yz;\n#else\noutSize=size;\n#endif \n#ifndef BILLBOARD \noutInitialDirection=initialDirection;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#else\nvec3 updatedDirection=direction+gravity*timeDelta;\n#ifdef LIMITVELOCITYGRADIENTS\nfloat limitVelocity=texture(limitVelocityGradientSampler,vec2(ageGradient,0)).r;\nfloat currentVelocity=length(updatedDirection);\nif (currentVelocity>limitVelocity) {\nupdatedDirection=updatedDirection*limitVelocityDamping;\n}\n#endif\noutDirection=updatedDirection;\n#ifdef NOISE\nfloat fetchedR=texture(noiseSampler,vec2(noiseCoordinates1.x,noiseCoordinates1.y)*vec2(0.5)+vec2(0.5)).r;\nfloat fetchedG=texture(noiseSampler,vec2(noiseCoordinates1.z,noiseCoordinates2.x)*vec2(0.5)+vec2(0.5)).r;\nfloat fetchedB=texture(noiseSampler,vec2(noiseCoordinates2.y,noiseCoordinates2.z)*vec2(0.5)+vec2(0.5)).r;\nvec3 force=vec3(2.*fetchedR-1.,2.*fetchedG-1.,2.*fetchedB-1.)*noiseStrength;\noutDirection=outDirection+force*timeDelta;\noutNoiseCoordinates1=noiseCoordinates1;\noutNoiseCoordinates2=noiseCoordinates2;\n#endif \n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nfloat angularSpeed=texture(angularSpeedGradientSampler,vec2(ageGradient,0)).r;\noutAngle=angle+angularSpeed*timeDelta;\n#else\noutAngle=vec2(angle.x+angle.y*timeDelta,angle.y);\n#endif\n#ifdef ANIMATESHEET \nfloat offsetAge=outAge;\nfloat dist=cellInfos.y-cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=cellStartOffset;\noffsetAge+=cellStartOffset;\n#else\nfloat cellStartOffset=0.;\n#endif \nfloat ratio=0.;\nif (cellInfos.w==1.0) {\nratio=clamp(mod(cellStartOffset+cellInfos.z*offsetAge,life)/life,0.,1.0);\n}\nelse {\nratio=clamp(cellStartOffset+cellInfos.z*offsetAge/life,0.,1.0);\n}\noutCellIndex=float(int(cellInfos.x+ratio*dist));\n#endif\n}\n}";
        var oy = function() {
            function e(e, t) {
                this._renderVAO = [],
                this._updateVAO = [],
                this.alignDataInBuffer = !1,
                this._parent = e,
                this._engine = t,
                this._updateEffectOptions = {
                    attributes: ["position", "initialPosition", "age", "life", "seed", "size", "color", "direction", "initialDirection", "angle", "cellIndex", "cellStartOffset", "noiseCoordinates1", "noiseCoordinates2"],
                    uniformsNames: ["currentCount", "timeDelta", "emitterWM", "lifeTime", "color1", "color2", "sizeRange", "scaleRange", "gravity", "emitPower", "direction1", "direction2", "minEmitBox", "maxEmitBox", "radius", "directionRandomizer", "height", "coneAngle", "stopFactor", "angleRange", "radiusRange", "cellInfos", "noiseStrength", "limitVelocityDamping"],
                    uniformBuffersNames: [],
                    samplers: ["randomSampler", "randomSampler2", "sizeGradientSampler", "angularSpeedGradientSampler", "velocityGradientSampler", "limitVelocityGradientSampler", "noiseSampler", "dragGradientSampler"],
                    defines: "",
                    fallbacks: null,
                    onCompiled: null,
                    onError: null,
                    indexParameters: null,
                    maxSimultaneousLights: 0,
                    transformFeedbackVaryings: []
                }
            }
            return e.prototype.isUpdateBufferCreated = function() {
                return !!this._updateEffect
            }
            ,
            e.prototype.isUpdateBufferReady = function() {
                var e, t;
                return null !== (t = null === (e = this._updateEffect) || void 0 === e ? void 0 : e.isReady()) && void 0 !== t && t
            }
            ,
            e.prototype.createUpdateBuffer = function(e) {
                return this._updateEffectOptions.transformFeedbackVaryings = ["outPosition"],
                this._updateEffectOptions.transformFeedbackVaryings.push("outAge"),
                this._updateEffectOptions.transformFeedbackVaryings.push("outSize"),
                this._updateEffectOptions.transformFeedbackVaryings.push("outLife"),
                this._updateEffectOptions.transformFeedbackVaryings.push("outSeed"),
                this._updateEffectOptions.transformFeedbackVaryings.push("outDirection"),
                this._parent.particleEmitterType instanceof yf && this._updateEffectOptions.transformFeedbackVaryings.push("outInitialPosition"),
                this._parent._colorGradientsTexture || this._updateEffectOptions.transformFeedbackVaryings.push("outColor"),
                this._parent._isBillboardBased || this._updateEffectOptions.transformFeedbackVaryings.push("outInitialDirection"),
                this._parent.noiseTexture && (this._updateEffectOptions.transformFeedbackVaryings.push("outNoiseCoordinates1"),
                this._updateEffectOptions.transformFeedbackVaryings.push("outNoiseCoordinates2")),
                this._updateEffectOptions.transformFeedbackVaryings.push("outAngle"),
                this._parent.isAnimationSheetEnabled && (this._updateEffectOptions.transformFeedbackVaryings.push("outCellIndex"),
                this._parent.spriteRandomStartCell && this._updateEffectOptions.transformFeedbackVaryings.push("outCellStartOffset")),
                this._updateEffectOptions.defines = e,
                this._updateEffect = new Mt("gpuUpdateParticles",this._updateEffectOptions,this._engine),
                new ry(this._updateEffect)
            }
            ,
            e.prototype.createVertexBuffers = function(e, t) {
                this._updateVAO.push(this._createUpdateVAO(e)),
                this._renderVAO.push(this._engine.recordVertexArrayObject(t, null, this._parent._getWrapper(this._parent.blendMode).effect)),
                this._engine.bindArrayBuffer(null)
            }
            ,
            e.prototype.createParticleBuffer = function(e) {
                return e
            }
            ,
            e.prototype.bindDrawBuffers = function(e) {
                this._engine.bindVertexArrayObject(this._renderVAO[e], null)
            }
            ,
            e.prototype.preUpdateParticleBuffer = function() {
                var e = this._engine;
                if (this._engine.enableEffect(this._updateEffect),
                !e.setState)
                    throw new Error("GPU particles cannot work without a full Engine. ThinEngine is not supported")
            }
            ,
            e.prototype.updateParticleBuffer = function(e, t, i) {
                this._updateEffect.setTexture("randomSampler", this._parent._randomTexture),
                this._updateEffect.setTexture("randomSampler2", this._parent._randomTexture2),
                this._parent._sizeGradientsTexture && this._updateEffect.setTexture("sizeGradientSampler", this._parent._sizeGradientsTexture),
                this._parent._angularSpeedGradientsTexture && this._updateEffect.setTexture("angularSpeedGradientSampler", this._parent._angularSpeedGradientsTexture),
                this._parent._velocityGradientsTexture && this._updateEffect.setTexture("velocityGradientSampler", this._parent._velocityGradientsTexture),
                this._parent._limitVelocityGradientsTexture && this._updateEffect.setTexture("limitVelocityGradientSampler", this._parent._limitVelocityGradientsTexture),
                this._parent._dragGradientsTexture && this._updateEffect.setTexture("dragGradientSampler", this._parent._dragGradientsTexture),
                this._parent.noiseTexture && this._updateEffect.setTexture("noiseSampler", this._parent.noiseTexture),
                this._engine.bindVertexArrayObject(this._updateVAO[e], null);
                var n = this._engine;
                n.bindTransformFeedbackBuffer(t.getBuffer()),
                n.setRasterizerState(!1),
                n.beginTransformFeedback(!0),
                n.drawArraysType(a.MATERIAL_PointListDrawMode, 0, i),
                n.endTransformFeedback(),
                n.setRasterizerState(!0),
                n.bindTransformFeedbackBuffer(null)
            }
            ,
            e.prototype.releaseBuffers = function() {}
            ,
            e.prototype.releaseVertexBuffers = function() {
                for (var e = 0; e < this._updateVAO.length; e++)
                    this._engine.releaseVertexArrayObject(this._updateVAO[e]);
                for (this._updateVAO = [],
                e = 0; e < this._renderVAO.length; e++)
                    this._engine.releaseVertexArrayObject(this._renderVAO[e]);
                this._renderVAO = []
            }
            ,
            e.prototype._createUpdateVAO = function(e) {
                var t = {};
                t.position = e.createVertexBuffer("position", 0, 3);
                var i = 3;
                t.age = e.createVertexBuffer("age", i, 1),
                i += 1,
                t.size = e.createVertexBuffer("size", i, 3),
                i += 3,
                t.life = e.createVertexBuffer("life", i, 1),
                i += 1,
                t.seed = e.createVertexBuffer("seed", i, 4),
                i += 4,
                t.direction = e.createVertexBuffer("direction", i, 3),
                i += 3,
                this._parent.particleEmitterType instanceof yf && (t.initialPosition = e.createVertexBuffer("initialPosition", i, 3),
                i += 3),
                this._parent._colorGradientsTexture || (t.color = e.createVertexBuffer("color", i, 4),
                i += 4),
                this._parent._isBillboardBased || (t.initialDirection = e.createVertexBuffer("initialDirection", i, 3),
                i += 3),
                this._parent.noiseTexture && (t.noiseCoordinates1 = e.createVertexBuffer("noiseCoordinates1", i, 3),
                i += 3,
                t.noiseCoordinates2 = e.createVertexBuffer("noiseCoordinates2", i, 3),
                i += 3),
                this._parent._angularSpeedGradientsTexture ? (t.angle = e.createVertexBuffer("angle", i, 1),
                i += 1) : (t.angle = e.createVertexBuffer("angle", i, 2),
                i += 2),
                this._parent._isAnimationSheetEnabled && (t.cellIndex = e.createVertexBuffer("cellIndex", i, 1),
                i += 1,
                this._parent.spriteRandomStartCell && (t.cellStartOffset = e.createVertexBuffer("cellStartOffset", i, 1),
                i += 1));
                var n = this._engine.recordVertexArrayObject(t, null, this._updateEffect);
                return this._engine.bindArrayBuffer(null),
                n
            }
            ,
            e
        }();
        y("BABYLON.WebGL2ParticleSystem", oy);
        Pt.ShadersStoreWGSL.gpuUpdateParticlesComputeShader = "struct Particle {\nposition : vec3<f32>;\nage : f32;\nsize : vec3<f32>;\nlife : f32;\nseed : vec4<f32>;\ndirection : vec3<f32>;\ndummy0: f32;\n#ifdef CUSTOMEMITTER\ninitialPosition : vec3<f32>;\ndummy1: f32;\n#endif\n#ifndef COLORGRADIENTS\ncolor : vec4<f32>;\n#endif\n#ifndef BILLBOARD\ninitialDirection : vec3<f32>;\ndummy2: f32;\n#endif\n#ifdef NOISE\nnoiseCoordinates1 : vec3<f32>;\ndummy3: f32;\nnoiseCoordinates2 : vec3<f32>;\ndummy4: f32;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nangle : f32;\n#else\nangle : vec2<f32>;\n#endif\n#ifdef ANIMATESHEET\ncellIndex : f32;\n#ifdef ANIMATESHEETRANDOMSTART\ncellStartOffset : f32;\n#endif\n#endif\n};\nstruct Particles {\nparticles : array<Particle>;\n};\nstruct SimParams {\ncurrentCount : f32;\ntimeDelta : f32;\nstopFactor : f32;\nrandomTextureSize: i32;\nlifeTime : vec2<f32>;\nemitPower : vec2<f32>;\n#ifndef COLORGRADIENTS\ncolor1 : vec4<f32>;\ncolor2 : vec4<f32>;\n#endif\nsizeRange : vec2<f32>;\nscaleRange : vec4<f32>;\nangleRange : vec4<f32>;\ngravity : vec3<f32>;\n#ifdef LIMITVELOCITYGRADIENTS\nlimitVelocityDamping : f32;\n#endif\n#ifdef ANIMATESHEET\ncellInfos : vec4<f32>;\n#endif\n#ifdef NOISE\nnoiseStrength : vec3<f32>;\n#endif\n#ifndef LOCAL\nemitterWM : mat4x4<f32>;\n#endif\n#ifdef BOXEMITTER\ndirection1 : vec3<f32>;\ndirection2 : vec3<f32>;\nminEmitBox : vec3<f32>;\nmaxEmitBox : vec3<f32>;\n#endif\n#ifdef CONEEMITTER\nradius : vec2<f32>;\nconeAngle : f32;\nheight : vec2<f32>;\ndirectionRandomizer : f32;\n#endif\n#ifdef CYLINDEREMITTER\nradius : f32;\nheight : f32;\nradiusRange : f32;\n#ifdef DIRECTEDCYLINDEREMITTER\ndirection1 : vec3<f32>;\ndirection2 : vec3<f32>;\n#else\ndirectionRandomizer : f32;\n#endif\n#endif\n#ifdef HEMISPHERICEMITTER\nradius : f32;\nradiusRange : f32;\ndirectionRandomizer : f32;\n#endif\n#ifdef POINTEMITTER\ndirection1 : vec3<f32>;\ndirection2 : vec3<f32>;\n#endif\n#ifdef SPHEREEMITTER\nradius : f32;\nradiusRange : f32;\n#ifdef DIRECTEDSPHEREEMITTER\ndirection1 : vec3<f32>;\ndirection2 : vec3<f32>;\n#else\ndirectionRandomizer : f32;\n#endif\n#endif\n};\n@binding(0) @group(0) var<uniform> params : SimParams;\n@binding(1) @group(0) var<storage,read> particlesIn : Particles;\n@binding(2) @group(0) var<storage,read_write> particlesOut : Particles;\n@binding(3) @group(0) var randomTexture : texture_2d<f32>;\n@binding(4) @group(0) var randomTexture2 : texture_2d<f32>;\n#ifdef SIZEGRADIENTS\n@binding(0) @group(1) var sizeGradientSampler : sampler;\n@binding(1) @group(1) var sizeGradientTexture : texture_2d<f32>;\n#endif \n#ifdef ANGULARSPEEDGRADIENTS\n@binding(2) @group(1) var angularSpeedGradientSampler : sampler;\n@binding(3) @group(1) var angularSpeedGradientTexture : texture_2d<f32>;\n#endif \n#ifdef VELOCITYGRADIENTS\n@binding(4) @group(1) var velocityGradientSampler : sampler;\n@binding(5) @group(1) var velocityGradientTexture : texture_2d<f32>;\n#endif\n#ifdef LIMITVELOCITYGRADIENTS\n@binding(6) @group(1) var limitVelocityGradientSampler : sampler;\n@binding(7) @group(1) var limitVelocityGradientTexture : texture_2d<f32>;\n#endif\n#ifdef DRAGGRADIENTS\n@binding(8) @group(1) var dragGradientSampler : sampler;\n@binding(9) @group(1) var dragGradientTexture : texture_2d<f32>;\n#endif\n#ifdef NOISE\n@binding(10) @group(1) var noiseSampler : sampler;\n@binding(11) @group(1) var noiseTexture : texture_2d<f32>;\n#endif\nfn getRandomVec3(offset : f32,vertexID : f32)->vec3<f32> {\nreturn textureLoad(randomTexture2,vec2<i32>(i32(vertexID*offset/params.currentCount*f32(params.randomTextureSize)) % params.randomTextureSize,0),0).rgb;\n}\nfn getRandomVec4(offset : f32,vertexID : f32)->vec4<f32> {\nreturn textureLoad(randomTexture,vec2<i32>(i32(vertexID*offset/params.currentCount*f32(params.randomTextureSize)) % params.randomTextureSize,0),0);\n}\n@stage(compute) @workgroup_size(64)\nfn main(@builtin(global_invocation_id) GlobalInvocationID : vec3<u32>) {\nlet index : u32=GlobalInvocationID.x;\nlet vertexID : f32=f32(index);\nif (index>=u32(params.currentCount)) {\nreturn;\n}\nlet PI : f32=3.14159;\nlet timeDelta : f32=params.timeDelta;\nlet newAge : f32=particlesIn.particles[index].age+timeDelta;\nlet life : f32=particlesIn.particles[index].life;\nlet seed : vec4<f32>=particlesIn.particles[index].seed;\nlet direction : vec3<f32>=particlesIn.particles[index].direction;\nif (newAge>=life && params.stopFactor != 0.) {\nvar newPosition : vec3<f32>;\nvar newDirection : vec3<f32>;\nlet randoms : vec4<f32>=getRandomVec4(seed.x,vertexID);\nlet outLife : f32=params.lifeTime.x+(params.lifeTime.y-params.lifeTime.x)*randoms.r;\nparticlesOut.particles[index].life=outLife;\nparticlesOut.particles[index].age=newAge-life;\nparticlesOut.particles[index].seed=seed;\nvar sizex : f32;\n#ifdef SIZEGRADIENTS \nsizex=textureSampleLevel(sizeGradientTexture,sizeGradientSampler,vec2<f32>(0.,0.),0.).r;\n#else\nsizex=params.sizeRange.x+(params.sizeRange.y-params.sizeRange.x)*randoms.g;\n#endif\nparticlesOut.particles[index].size=vec3<f32>(\nsizex,\nparams.scaleRange.x+(params.scaleRange.y-params.scaleRange.x)*randoms.b,\nparams.scaleRange.z+(params.scaleRange.w-params.scaleRange.z)*randoms.a);\n#ifndef COLORGRADIENTS\nparticlesOut.particles[index].color=params.color1+(params.color2-params.color1)*randoms.b;\n#endif\n#ifndef ANGULARSPEEDGRADIENTS \nparticlesOut.particles[index].angle=vec2<f32>(\nparams.angleRange.z+(params.angleRange.w-params.angleRange.z)*randoms.r,\nparams.angleRange.x+(params.angleRange.y-params.angleRange.x)*randoms.a);\n#else\nparticlesOut.particles[index].angle=params.angleRange.z+(params.angleRange.w-params.angleRange.z)*randoms.r;\n#endif \n#if defined(POINTEMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nnewPosition=vec3<f32>(0.,0.,0.);\nnewDirection=params.direction1+(params.direction2-params.direction1)*randoms3;\n#elif defined(BOXEMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nnewPosition=params.minEmitBox+(params.maxEmitBox-params.minEmitBox)*randoms2;\nnewDirection=params.direction1+(params.direction2-params.direction1)*randoms3; \n#elif defined(HEMISPHERICEMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nlet phi : f32=2.0*PI*randoms2.x;\nlet theta : f32=acos(-1.0+2.0*randoms2.y);\nlet randX : f32=cos(phi)*sin(theta);\nlet randY : f32=cos(theta);\nlet randZ : f32=sin(phi)*sin(theta);\nnewPosition=(params.radius-(params.radius*params.radiusRange*randoms2.z))*vec3<f32>(randX,abs(randY),randZ);\nnewDirection=normalize(newPosition+params.directionRandomizer*randoms3);\n#elif defined(SPHEREEMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nlet phi : f32=2.0*PI*randoms2.x;\nlet theta : f32=acos(-1.0+2.0*randoms2.y);\nlet randX : f32=cos(phi)*sin(theta);\nlet randY : f32=cos(theta);\nlet randZ : f32=sin(phi)*sin(theta);\nnewPosition=(params.radius-(params.radius*params.radiusRange*randoms2.z))*vec3<f32>(randX,randY,randZ);\n#ifdef DIRECTEDSPHEREEMITTER\nnewDirection=normalize(params.direction1+(params.direction2-params.direction1)*randoms3);\n#else\nnewDirection=normalize(newPosition+params.directionRandomizer*randoms3);\n#endif\n#elif defined(CYLINDEREMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nlet yPos : f32=(-0.5+randoms2.x)*params.height;\nvar angle : f32=randoms2.y*PI*2.;\nlet inverseRadiusRangeSquared : f32=(1.-params.radiusRange)*(1.-params.radiusRange);\nlet positionRadius : f32=params.radius*sqrt(inverseRadiusRangeSquared+randoms2.z*(1.-inverseRadiusRangeSquared));\nlet xPos : f32=positionRadius*cos(angle);\nlet zPos : f32=positionRadius*sin(angle);\nnewPosition=vec3<f32>(xPos,yPos,zPos);\n#ifdef DIRECTEDCYLINDEREMITTER\nnewDirection=params.direction1+(params.direction2-params.direction1)*randoms3;\n#else\nangle=angle+(-0.5+randoms3.x)*PI*params.directionRandomizer;\nnewDirection=vec3<f32>(cos(angle),(-0.5+randoms3.y)*params.directionRandomizer,sin(angle));\nnewDirection=normalize(newDirection);\n#endif\n#elif defined(CONEEMITTER)\nlet randoms2 : vec3<f32>=getRandomVec3(seed.y,vertexID);\nlet s : f32=2.0*PI*randoms2.x;\n#ifdef CONEEMITTERSPAWNPOINT\nlet h : f32=0.0001;\n#else\nvar h : f32=randoms2.y*params.height.y;\nh=1.-h*h; \n#endif\nvar lRadius : f32=params.radius.x-params.radius.x*randoms2.z*params.radius.y;\nlRadius=lRadius*h;\nlet randX : f32=lRadius*sin(s);\nlet randZ : f32=lRadius*cos(s);\nlet randY : f32=h *params.height.x;\nnewPosition=vec3<f32>(randX,randY,randZ); \nif (abs(cos(params.coneAngle))==1.0) {\nnewDirection=vec3<f32>(0.,1.0,0.);\n} else {\nlet randoms3 : vec3<f32>=getRandomVec3(seed.z,vertexID);\nnewDirection=normalize(newPosition+params.directionRandomizer*randoms3); \n}\n#elif defined(CUSTOMEMITTER)\nnewPosition=particlesIn.particles[index].initialPosition;\nparticlesOut.particles[index].initialPosition=newPosition;\n#else \nnewPosition=vec3<f32>(0.,0.,0.);\nnewDirection=2.0*(getRandomVec3(seed.w,vertexID)-vec3<f32>(0.5,0.5,0.5));\n#endif\nlet power : f32=params.emitPower.x+(params.emitPower.y-params.emitPower.x)*randoms.a;\n#ifdef LOCAL\nparticlesOut.particles[index].position=newPosition;\n#else\nparticlesOut.particles[index].position=(params.emitterWM*vec4<f32>(newPosition,1.)).xyz;\n#endif\n#ifdef CUSTOMEMITTER\nparticlesOut.particles[index].direction=direction;\n#ifndef BILLBOARD \nparticlesOut.particles[index].initialDirection=direction;\n#endif\n#else\n#ifdef LOCAL\nlet initial : vec3<f32>=newDirection;\n#else \nlet initial : vec3<f32>=(params.emitterWM*vec4<f32>(newDirection,0.)).xyz;\n#endif\nparticlesOut.particles[index].direction=initial*power;\n#ifndef BILLBOARD \nparticlesOut.particles[index].initialDirection=initial;\n#endif\n#endif\n#ifdef ANIMATESHEET \nparticlesOut.particles[index].cellIndex=params.cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\nparticlesOut.particles[index].cellStartOffset=randoms.a*outLife;\n#endif \n#endif\n#ifdef NOISE\nparticlesOut.particles[index].noiseCoordinates1=particlesIn.particles[index].noiseCoordinates1;\nparticlesOut.particles[index].noiseCoordinates2=particlesIn.particles[index].noiseCoordinates2;\n#endif\n} else {\nvar directionScale : f32=timeDelta;\nparticlesOut.particles[index].age=newAge;\nlet ageGradient : f32=newAge/life;\n#ifdef VELOCITYGRADIENTS\ndirectionScale=directionScale*textureSampleLevel(velocityGradientTexture,velocityGradientSampler,vec2<f32>(ageGradient,0.),0.).r;\n#endif\n#ifdef DRAGGRADIENTS\ndirectionScale=directionScale*(1.0-textureSampleLevel(dragGradientTexture,dragGradientSampler,vec2<f32>(ageGradient,0.),0.).r);\n#endif\nlet position : vec3<f32>=particlesIn.particles[index].position;\n#if defined(CUSTOMEMITTER)\nparticlesOut.particles[index].position=position+(direction-position)*ageGradient; \nparticlesOut.particles[index].initialPosition=particlesIn.particles[index].initialPosition;\n#else\nparticlesOut.particles[index].position=position+direction*directionScale;\n#endif\nparticlesOut.particles[index].life=life;\nparticlesOut.particles[index].seed=seed;\n#ifndef COLORGRADIENTS \nparticlesOut.particles[index].color=particlesIn.particles[index].color;\n#endif\n#ifdef SIZEGRADIENTS\nparticlesOut.particles[index].size=vec3<f32>(\ntextureSampleLevel(sizeGradientTexture,sizeGradientSampler,vec2<f32>(ageGradient,0.),0.).r,\nparticlesIn.particles[index].size.yz);\n#else\nparticlesOut.particles[index].size=particlesIn.particles[index].size;\n#endif \n#ifndef BILLBOARD \nparticlesOut.particles[index].initialDirection=particlesIn.particles[index].initialDirection;\n#endif\n#ifdef CUSTOMEMITTER\nparticlesOut.particles[index].direction=direction;\n#else\nvar updatedDirection : vec3<f32>=direction+params.gravity*timeDelta;\n#ifdef LIMITVELOCITYGRADIENTS\nlet limitVelocity : f32=textureSampleLevel(limitVelocityGradientTexture,limitVelocityGradientSampler,vec2<f32>(ageGradient,0.),0.).r;\nlet currentVelocity : f32=length(updatedDirection);\nif (currentVelocity>limitVelocity) {\nupdatedDirection=updatedDirection*params.limitVelocityDamping;\n}\n#endif\nparticlesOut.particles[index].direction=updatedDirection;\n#ifdef NOISE\nlet noiseCoordinates1 : vec3<f32>=particlesIn.particles[index].noiseCoordinates1;\nlet noiseCoordinates2 : vec3<f32>=particlesIn.particles[index].noiseCoordinates2;\nlet fetchedR : f32=textureSampleLevel(noiseTexture,noiseSampler,vec2<f32>(noiseCoordinates1.x,noiseCoordinates1.y)*vec2<f32>(0.5,0.5)+vec2<f32>(0.5,0.5),0.).r;\nlet fetchedG : f32=textureSampleLevel(noiseTexture,noiseSampler,vec2<f32>(noiseCoordinates1.z,noiseCoordinates2.x)*vec2<f32>(0.5,0.5)+vec2<f32>(0.5,0.5),0.).r;\nlet fetchedB : f32=textureSampleLevel(noiseTexture,noiseSampler,vec2<f32>(noiseCoordinates2.y,noiseCoordinates2.z)*vec2<f32>(0.5,0.5)+vec2<f32>(0.5,0.5),0.).r;\nlet force : vec3<f32>=vec3<f32>(-1.+2.*fetchedR,-1.+2.*fetchedG,-1.+2.*fetchedB)*params.noiseStrength;\nparticlesOut.particles[index].direction=particlesOut.particles[index].direction+force*timeDelta;\nparticlesOut.particles[index].noiseCoordinates1=noiseCoordinates1;\nparticlesOut.particles[index].noiseCoordinates2=noiseCoordinates2;\n#endif \n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nlet angularSpeed : f32=textureSampleLevel(angularSpeedGradientTexture,angularSpeedGradientSampler,vec2<f32>(ageGradient,0.),0.).r;\nparticlesOut.particles[index].angle=particlesIn.particles[index].angle+angularSpeed*timeDelta;\n#else\nlet angle : vec2<f32>=particlesIn.particles[index].angle;\nparticlesOut.particles[index].angle=vec2<f32>(angle.x+angle.y*timeDelta,angle.y);\n#endif\n#ifdef ANIMATESHEET \nvar offsetAge : f32=particlesOut.particles[index].age;\nlet dist : f32=params.cellInfos.y-params.cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\nlet cellStartOffset : f32=particlesIn.particles[index].cellStartOffset;\nparticlesOut.particles[index].cellStartOffset=cellStartOffset;\noffsetAge=offsetAge+cellStartOffset;\n#else\nlet cellStartOffset : f32=0.;\n#endif \nvar ratio : f32;\nif (params.cellInfos.w==1.0) {\nratio=clamp(((cellStartOffset+params.cellInfos.z*offsetAge) % life)/life,0.,1.0);\n}\nelse {\nratio=clamp((cellStartOffset+params.cellInfos.z*offsetAge)/life,0.,1.0);\n}\nparticlesOut.particles[index].cellIndex=f32(i32(params.cellInfos.x+ratio*dist));\n#endif\n}\n}\n";
        var ay = function() {
            function e(e, t) {
                this._bufferComputeShader = [],
                this._renderVertexBuffers = [],
                this.alignDataInBuffer = !0,
                this._parent = e,
                this._engine = t
            }
            return e.prototype.isUpdateBufferCreated = function() {
                return !!this._updateComputeShader
            }
            ,
            e.prototype.isUpdateBufferReady = function() {
                var e, t;
                return null !== (t = null === (e = this._updateComputeShader) || void 0 === e ? void 0 : e.isReady()) && void 0 !== t && t
            }
            ,
            e.prototype.createUpdateBuffer = function(e) {
                var t, i = {
                    params: {
                        group: 0,
                        binding: 0
                    },
                    particlesIn: {
                        group: 0,
                        binding: 1
                    },
                    particlesOut: {
                        group: 0,
                        binding: 2
                    },
                    randomTexture: {
                        group: 0,
                        binding: 3
                    },
                    randomTexture2: {
                        group: 0,
                        binding: 4
                    }
                };
                return this._parent._sizeGradientsTexture && (i.sizeGradientTexture = {
                    group: 1,
                    binding: 1
                }),
                this._parent._angularSpeedGradientsTexture && (i.angularSpeedGradientTexture = {
                    group: 1,
                    binding: 3
                }),
                this._parent._velocityGradientsTexture && (i.velocityGradientTexture = {
                    group: 1,
                    binding: 5
                }),
                this._parent._limitVelocityGradientsTexture && (i.limitVelocityGradientTexture = {
                    group: 1,
                    binding: 7
                }),
                this._parent._dragGradientsTexture && (i.dragGradientTexture = {
                    group: 1,
                    binding: 9
                }),
                this._parent.noiseTexture && (i.noiseTexture = {
                    group: 1,
                    binding: 11
                }),
                this._updateComputeShader = new gl("updateParticles",this._engine,"gpuUpdateParticles",{
                    bindingsMapping: i,
                    defines: e.split("\n")
                }),
                null === (t = this._simParamsComputeShader) || void 0 === t || t.dispose(),
                this._simParamsComputeShader = new Fi(this._engine),
                this._simParamsComputeShader.addUniform("currentCount", 1),
                this._simParamsComputeShader.addUniform("timeDelta", 1),
                this._simParamsComputeShader.addUniform("stopFactor", 1),
                this._simParamsComputeShader.addUniform("randomTextureSize", 1),
                this._simParamsComputeShader.addUniform("lifeTime", 2),
                this._simParamsComputeShader.addUniform("emitPower", 2),
                this._parent._colorGradientsTexture || (this._simParamsComputeShader.addUniform("color1", 4),
                this._simParamsComputeShader.addUniform("color2", 4)),
                this._simParamsComputeShader.addUniform("sizeRange", 2),
                this._simParamsComputeShader.addUniform("scaleRange", 4),
                this._simParamsComputeShader.addUniform("angleRange", 4),
                this._simParamsComputeShader.addUniform("gravity", 3),
                this._parent._limitVelocityGradientsTexture && this._simParamsComputeShader.addUniform("limitVelocityDamping", 1),
                this._parent.isAnimationSheetEnabled && this._simParamsComputeShader.addUniform("cellInfos", 4),
                this._parent.noiseTexture && this._simParamsComputeShader.addUniform("noiseStrength", 3),
                this._parent.isLocal || this._simParamsComputeShader.addUniform("emitterWM", 16),
                this._parent.particleEmitterType && this._parent.particleEmitterType.buildUniformLayout(this._simParamsComputeShader),
                this._updateComputeShader.setUniformBuffer("params", this._simParamsComputeShader),
                new ry(this._simParamsComputeShader)
            }
            ,
            e.prototype.createVertexBuffers = function(e, t) {
                this._renderVertexBuffers.push(t)
            }
            ,
            e.prototype.createParticleBuffer = function(e) {
                var t = new wo(this._engine,4 * e.length,a.BUFFER_CREATIONFLAG_READWRITE | a.BUFFER_CREATIONFLAG_VERTEX);
                return t.update(e),
                this._bufferComputeShader.push(t),
                t.getBuffer()
            }
            ,
            e.prototype.bindDrawBuffers = function(e, t) {
                this._engine.bindBuffers(this._renderVertexBuffers[e], null, t)
            }
            ,
            e.prototype.preUpdateParticleBuffer = function() {}
            ,
            e.prototype.updateParticleBuffer = function(e, t, i) {
                this._simParamsComputeShader.update(),
                this._updateComputeShader.setTexture("randomTexture", this._parent._randomTexture, !1),
                this._updateComputeShader.setTexture("randomTexture2", this._parent._randomTexture2, !1),
                this._parent._sizeGradientsTexture && this._updateComputeShader.setTexture("sizeGradientTexture", this._parent._sizeGradientsTexture),
                this._parent._angularSpeedGradientsTexture && this._updateComputeShader.setTexture("angularSpeedGradientTexture", this._parent._angularSpeedGradientsTexture),
                this._parent._velocityGradientsTexture && this._updateComputeShader.setTexture("velocityGradientTexture", this._parent._velocityGradientsTexture),
                this._parent._limitVelocityGradientsTexture && this._updateComputeShader.setTexture("limitVelocityGradientTexture", this._parent._limitVelocityGradientsTexture),
                this._parent._dragGradientsTexture && this._updateComputeShader.setTexture("dragGradientTexture", this._parent._dragGradientsTexture),
                this._parent.noiseTexture && this._updateComputeShader.setTexture("noiseTexture", this._parent.noiseTexture),
                this._updateComputeShader.setStorageBuffer("particlesIn", this._bufferComputeShader[e]),
                this._updateComputeShader.setStorageBuffer("particlesOut", this._bufferComputeShader[1 ^ e]),
                this._updateComputeShader.dispatch(Math.ceil(i / 64))
            }
            ,
            e.prototype.releaseBuffers = function() {
                for (var e, t = 0; t < this._bufferComputeShader.length; ++t)
                    this._bufferComputeShader[t].dispose();
                this._bufferComputeShader = [],
                null === (e = this._simParamsComputeShader) || void 0 === e || e.dispose(),
                this._simParamsComputeShader = null,
                this._updateComputeShader = null
            }
            ,
            e.prototype.releaseVertexBuffers = function() {
                this._renderVertexBuffers = []
            }
            ,
            e
        }();
        y("BABYLON.ComputeShaderParticleSystem", ay);
        var sy, ly = function() {
            function e(e, t, i) {
                this.gradient = e,
                this.color1 = t,
                this.color2 = i
            }
            return e.prototype.getColorToRef = function(e) {
                this.color2 ? N.LerpToRef(this.color1, this.color2, Math.random(), e) : e.copyFrom(this.color1)
            }
            ,
            e
        }(), cy = function(e, t) {
            this.gradient = e,
            this.color = t
        }, uy = function() {
            function e(e, t, i) {
                this.gradient = e,
                this.factor1 = t,
                this.factor2 = i
            }
            return e.prototype.getFactor = function() {
                return void 0 === this.factor2 || this.factor2 === this.factor1 ? this.factor1 : this.factor1 + (this.factor2 - this.factor1) * Math.random()
            }
            ,
            e
        }(), hy = function() {
            function e() {}
            return e.GetCurrentGradient = function(e, t, i) {
                if (t[0].gradient > e)
                    i(t[0], t[0], 1);
                else {
                    for (var n = 0; n < t.length - 1; n++) {
                        var r = t[n]
                          , o = t[n + 1];
                        if (e >= r.gradient && e <= o.gradient)
                            return void i(r, o, (e - r.gradient) / (o.gradient - r.gradient))
                    }
                    var a = t.length - 1;
                    i(t[a], t[a], 1)
                }
            }
            ,
            e
        }(), dy = function() {
            function e(t) {
                this.particleSystem = t,
                this.position = x.Zero(),
                this.direction = x.Zero(),
                this.color = new N(0,0,0,0),
                this.colorStep = new N(0,0,0,0),
                this.lifeTime = 1,
                this.age = 0,
                this.size = 0,
                this.scale = new A(1,1),
                this.angle = 0,
                this.angularSpeed = 0,
                this.cellIndex = 0,
                this._attachedSubEmitters = null,
                this._currentColor1 = new N(0,0,0,0),
                this._currentColor2 = new N(0,0,0,0),
                this._currentSize1 = 0,
                this._currentSize2 = 0,
                this._currentAngularSpeed1 = 0,
                this._currentAngularSpeed2 = 0,
                this._currentVelocity1 = 0,
                this._currentVelocity2 = 0,
                this._currentLimitVelocity1 = 0,
                this._currentLimitVelocity2 = 0,
                this._currentDrag1 = 0,
                this._currentDrag2 = 0,
                this.id = e._Count++,
                this.particleSystem.isAnimationSheetEnabled && this._updateCellInfoFromSystem()
            }
            return e.prototype._updateCellInfoFromSystem = function() {
                this.cellIndex = this.particleSystem.startSpriteCellID
            }
            ,
            e.prototype.updateCellIndex = function() {
                var e = this.age
                  , t = this.particleSystem.spriteCellChangeSpeed;
                this.particleSystem.spriteRandomStartCell && (void 0 === this._randomCellOffset && (this._randomCellOffset = Math.random() * this.lifeTime),
                0 === t ? (t = 1,
                e = this._randomCellOffset) : e += this._randomCellOffset);
                var i, n = this._initialEndSpriteCellID - this._initialStartSpriteCellID;
                i = this._initialSpriteCellLoop ? d.Clamp(e * t % this.lifeTime / this.lifeTime) : d.Clamp(e * t / this.lifeTime),
                this.cellIndex = this._initialStartSpriteCellID + i * n | 0
            }
            ,
            e.prototype._inheritParticleInfoToSubEmitter = function(e) {
                if (e.particleSystem.emitter.position) {
                    var t = e.particleSystem.emitter;
                    if (t.position.copyFrom(this.position),
                    e.inheritDirection) {
                        var i = I.Vector3[0];
                        this.direction.normalizeToRef(i),
                        t.setDirection(i, 0, Math.PI / 2)
                    }
                } else
                    e.particleSystem.emitter.copyFrom(this.position);
                this.direction.scaleToRef(e.inheritedVelocityAmount / 2, I.Vector3[0]),
                e.particleSystem._inheritedVelocityOffset.copyFrom(I.Vector3[0])
            }
            ,
            e.prototype._inheritParticleInfoToSubEmitters = function() {
                var e = this;
                this._attachedSubEmitters && this._attachedSubEmitters.length > 0 && this._attachedSubEmitters.forEach((function(t) {
                    e._inheritParticleInfoToSubEmitter(t)
                }
                ))
            }
            ,
            e.prototype._reset = function() {
                this.age = 0,
                this.id = e._Count++,
                this._currentColorGradient = null,
                this._currentSizeGradient = null,
                this._currentAngularSpeedGradient = null,
                this._currentVelocityGradient = null,
                this._currentLimitVelocityGradient = null,
                this._currentDragGradient = null,
                this.cellIndex = this.particleSystem.startSpriteCellID,
                this._randomCellOffset = void 0
            }
            ,
            e.prototype.copyTo = function(e) {
                e.position.copyFrom(this.position),
                this._initialDirection ? e._initialDirection ? e._initialDirection.copyFrom(this._initialDirection) : e._initialDirection = this._initialDirection.clone() : e._initialDirection = null,
                e.direction.copyFrom(this.direction),
                this._localPosition && (e._localPosition ? e._localPosition.copyFrom(this._localPosition) : e._localPosition = this._localPosition.clone()),
                e.color.copyFrom(this.color),
                e.colorStep.copyFrom(this.colorStep),
                e.lifeTime = this.lifeTime,
                e.age = this.age,
                e._randomCellOffset = this._randomCellOffset,
                e.size = this.size,
                e.scale.copyFrom(this.scale),
                e.angle = this.angle,
                e.angularSpeed = this.angularSpeed,
                e.particleSystem = this.particleSystem,
                e.cellIndex = this.cellIndex,
                e.id = this.id,
                e._attachedSubEmitters = this._attachedSubEmitters,
                this._currentColorGradient && (e._currentColorGradient = this._currentColorGradient,
                e._currentColor1.copyFrom(this._currentColor1),
                e._currentColor2.copyFrom(this._currentColor2)),
                this._currentSizeGradient && (e._currentSizeGradient = this._currentSizeGradient,
                e._currentSize1 = this._currentSize1,
                e._currentSize2 = this._currentSize2),
                this._currentAngularSpeedGradient && (e._currentAngularSpeedGradient = this._currentAngularSpeedGradient,
                e._currentAngularSpeed1 = this._currentAngularSpeed1,
                e._currentAngularSpeed2 = this._currentAngularSpeed2),
                this._currentVelocityGradient && (e._currentVelocityGradient = this._currentVelocityGradient,
                e._currentVelocity1 = this._currentVelocity1,
                e._currentVelocity2 = this._currentVelocity2),
                this._currentLimitVelocityGradient && (e._currentLimitVelocityGradient = this._currentLimitVelocityGradient,
                e._currentLimitVelocity1 = this._currentLimitVelocity1,
                e._currentLimitVelocity2 = this._currentLimitVelocity2),
                this._currentDragGradient && (e._currentDragGradient = this._currentDragGradient,
                e._currentDrag1 = this._currentDrag1,
                e._currentDrag2 = this._currentDrag2),
                this.particleSystem.isAnimationSheetEnabled && (e._initialStartSpriteCellID = this._initialStartSpriteCellID,
                e._initialEndSpriteCellID = this._initialEndSpriteCellID,
                e._initialSpriteCellLoop = this._initialSpriteCellLoop),
                this.particleSystem.useRampGradients && (e.remapData && this.remapData ? e.remapData.copyFrom(this.remapData) : e.remapData = new R(0,0,0,0)),
                this._randomNoiseCoordinates1 && (e._randomNoiseCoordinates1 ? (e._randomNoiseCoordinates1.copyFrom(this._randomNoiseCoordinates1),
                e._randomNoiseCoordinates2.copyFrom(this._randomNoiseCoordinates2)) : (e._randomNoiseCoordinates1 = this._randomNoiseCoordinates1.clone(),
                e._randomNoiseCoordinates2 = this._randomNoiseCoordinates2.clone()))
            }
            ,
            e._Count = 0,
            e
        }();
        !function(e) {
            e[e.ATTACHED = 0] = "ATTACHED",
            e[e.END = 1] = "END"
        }(sy || (sy = {}));
        var py = function() {
            function e(e) {
                if (this.particleSystem = e,
                this.type = sy.END,
                this.inheritDirection = !1,
                this.inheritedVelocityAmount = 0,
                !e.emitter || !e.emitter.dispose) {
                    var t = b("BABYLON.AbstractMesh");
                    e.emitter = new t("SubemitterSystemEmitter",e.getScene()),
                    e._disposeEmitterOnDispose = !0
                }
            }
            return e.prototype.clone = function() {
                var t = this.particleSystem.emitter;
                t ? t instanceof x ? t = t.clone() : -1 !== t.getClassName().indexOf("Mesh") && ((t = new (b("BABYLON.Mesh"))("",t.getScene())).isVisible = !1) : t = new x;
                var i = new e(this.particleSystem.clone(this.particleSystem.name, t));
                return i.particleSystem.name += "Clone",
                i.type = this.type,
                i.inheritDirection = this.inheritDirection,
                i.inheritedVelocityAmount = this.inheritedVelocityAmount,
                i.particleSystem._disposeEmitterOnDispose = !0,
                i.particleSystem.disposeOnStop = !0,
                i
            }
            ,
            e.prototype.serialize = function(e) {
                void 0 === e && (e = !1);
                var t = {};
                return t.type = this.type,
                t.inheritDirection = this.inheritDirection,
                t.inheritedVelocityAmount = this.inheritedVelocityAmount,
                t.particleSystem = this.particleSystem.serialize(e),
                t
            }
            ,
            e._ParseParticleSystem = function(e, t, i, n) {
                throw void 0 === n && (n = !1),
                be("ParseParticle")
            }
            ,
            e.Parse = function(t, i, n) {
                var r = t.particleSystem
                  , o = new e(e._ParseParticleSystem(r, i, n, !0));
                return o.type = t.type,
                o.inheritDirection = t.inheritDirection,
                o.inheritedVelocityAmount = t.inheritedVelocityAmount,
                o.particleSystem._isSubEmitter = !0,
                o
            }
            ,
            e.prototype.dispose = function() {
                this.particleSystem.dispose()
            }
            ,
            e
        }();
        Pt.ShadersStore.particlesPixelShader = "varying vec2 vUV;\nvarying vec4 vColor;\nuniform vec4 textureMask;\nuniform sampler2D diffuseSampler;\n#include<clipPlaneFragmentDeclaration>\n#include<imageProcessingDeclaration>\n#include<helperFunctions>\n#include<imageProcessingFunctions>\n#ifdef RAMPGRADIENT\nvarying vec4 remapRanges;\nuniform sampler2D rampSampler;\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\nvec4 textureColor=texture2D(diffuseSampler,vUV);\nvec4 baseColor=(textureColor*textureMask+(vec4(1.,1.,1.,1.)-textureMask))*vColor;\n#ifdef RAMPGRADIENT\nfloat alpha=baseColor.a;\nfloat remappedColorIndex=clamp((alpha-remapRanges.x)/remapRanges.y,0.0,1.0);\nvec4 rampColor=texture2D(rampSampler,vec2(1.0-remappedColorIndex,0.));\nbaseColor.rgb*=rampColor.rgb;\nfloat finalAlpha=baseColor.a;\nbaseColor.a=clamp((alpha*rampColor.a-remapRanges.z)/remapRanges.w,0.0,1.0);\n#endif\n#ifdef BLENDMULTIPLYMODE\nfloat sourceAlpha=vColor.a*textureColor.a;\nbaseColor.rgb=baseColor.rgb*sourceAlpha+vec3(1.0)*(1.0-sourceAlpha);\n#endif\n#ifdef IMAGEPROCESSINGPOSTPROCESS\nbaseColor.rgb=toLinearSpace(baseColor.rgb);\n#else\n#ifdef IMAGEPROCESSING\nbaseColor.rgb=toLinearSpace(baseColor.rgb);\nbaseColor=applyImageProcessing(baseColor);\n#endif\n#endif\ngl_FragColor=baseColor;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.particlesVertexShader = "attribute vec3 position;\nattribute vec4 color;\nattribute float angle;\nattribute vec2 size;\n#ifdef ANIMATESHEET\nattribute float cellIndex;\n#endif\n#ifndef BILLBOARD\nattribute vec3 direction;\n#endif\n#ifdef BILLBOARDSTRETCHED\nattribute vec3 direction;\n#endif\n#ifdef RAMPGRADIENT\nattribute vec4 remapData;\n#endif\nattribute vec2 offset;\nuniform mat4 view;\nuniform mat4 projection;\nuniform vec2 translationPivot;\n#ifdef ANIMATESHEET\nuniform vec3 particlesInfos; \n#endif\nvarying vec2 vUV;\nvarying vec4 vColor;\nvarying vec3 vPositionW;\n#ifdef RAMPGRADIENT\nvarying vec4 remapRanges;\n#endif\n#if defined(BILLBOARD) && !defined(BILLBOARDY) && !defined(BILLBOARDSTRETCHED)\nuniform mat4 invView;\n#endif\n#include<clipPlaneVertexDeclaration>\n#ifdef BILLBOARD\nuniform vec3 eyePosition;\n#endif\nvec3 rotate(vec3 yaxis,vec3 rotatedCorner) {\nvec3 xaxis=normalize(cross(vec3(0.,1.0,0.),yaxis));\nvec3 zaxis=normalize(cross(yaxis,xaxis));\nvec3 row0=vec3(xaxis.x,xaxis.y,xaxis.z);\nvec3 row1=vec3(yaxis.x,yaxis.y,yaxis.z);\nvec3 row2=vec3(zaxis.x,zaxis.y,zaxis.z);\nmat3 rotMatrix= mat3(row0,row1,row2);\nvec3 alignedCorner=rotMatrix*rotatedCorner;\nreturn position+alignedCorner;\n}\n#ifdef BILLBOARDSTRETCHED\nvec3 rotateAlign(vec3 toCamera,vec3 rotatedCorner) {\nvec3 normalizedToCamera=normalize(toCamera);\nvec3 normalizedCrossDirToCamera=normalize(cross(normalize(direction),normalizedToCamera));\nvec3 crossProduct=normalize(cross(normalizedToCamera,normalizedCrossDirToCamera));\nvec3 row0=vec3(normalizedCrossDirToCamera.x,normalizedCrossDirToCamera.y,normalizedCrossDirToCamera.z);\nvec3 row1=vec3(crossProduct.x,crossProduct.y,crossProduct.z);\nvec3 row2=vec3(normalizedToCamera.x,normalizedToCamera.y,normalizedToCamera.z);\nmat3 rotMatrix= mat3(row0,row1,row2);\nvec3 alignedCorner=rotMatrix*rotatedCorner;\nreturn position+alignedCorner;\n}\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec2 cornerPos;\ncornerPos=(vec2(offset.x-0.5,offset.y -0.5)-translationPivot)*size+translationPivot;\n#ifdef BILLBOARD\nvec3 rotatedCorner;\n#ifdef BILLBOARDY\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.z=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.y=0.;\nvec3 yaxis=position-eyePosition;\nyaxis.y=0.;\nvPositionW=rotate(normalize(yaxis),rotatedCorner);\nvec3 viewPos=(view*vec4(vPositionW,1.0)).xyz;\n#elif defined(BILLBOARDSTRETCHED)\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.z=0.;\nvec3 toCamera=position-eyePosition;\nvPositionW=rotateAlign(toCamera,rotatedCorner);\nvec3 viewPos=(view*vec4(vPositionW,1.0)).xyz;\n#else\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.z=0.;\nvec3 viewPos=(view*vec4(position,1.0)).xyz+rotatedCorner;\nvPositionW=(invView*vec4(viewPos,1)).xyz;\n#endif\n#ifdef RAMPGRADIENT\nremapRanges=remapData;\n#endif\ngl_Position=projection*vec4(viewPos,1.0);\n#else\nvec3 rotatedCorner;\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.z=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.y=0.;\nvec3 yaxis=normalize(direction);\nvPositionW=rotate(yaxis,rotatedCorner);\ngl_Position=projection*view*vec4(vPositionW,1.0);\n#endif\nvColor=color;\n#ifdef ANIMATESHEET\nfloat rowOffset=floor(cellIndex*particlesInfos.z);\nfloat columnOffset=cellIndex-rowOffset/particlesInfos.z;\nvec2 uvScale=particlesInfos.xy;\nvec2 uvOffset=vec2(offset.x ,1.0-offset.y);\nvUV=(uvOffset+vec2(columnOffset,rowOffset))*uvScale;\n#else\nvUV=offset;\n#endif\n#if defined(CLIPPLANE) || defined(CLIPPLANE2) || defined(CLIPPLANE3) || defined(CLIPPLANE4) || defined(CLIPPLANE5) || defined(CLIPPLANE6)\nvec4 worldPos=vec4(vPositionW,1.0);\n#endif\n#include<clipPlaneVertex>\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var fy = function(e) {
            function t(t, i, n, r, o, a) {
                void 0 === r && (r = null),
                void 0 === o && (o = !1),
                void 0 === a && (a = .01);
                var s = e.call(this, t) || this;
                s._emitterInverseWorldMatrix = P.Identity(),
                s._inheritedVelocityOffset = new x,
                s.onDisposeObservable = new h,
                s.onStoppedObservable = new h,
                s._particles = new Array,
                s._stockParticles = new Array,
                s._newPartsExcess = 0,
                s._vertexBuffers = {},
                s._scaledColorStep = new N(0,0,0,0),
                s._colorDiff = new N(0,0,0,0),
                s._scaledDirection = x.Zero(),
                s._scaledGravity = x.Zero(),
                s._currentRenderId = -1,
                s._useInstancing = !1,
                s._started = !1,
                s._stopped = !1,
                s._actualFrame = 0,
                s._currentEmitRate1 = 0,
                s._currentEmitRate2 = 0,
                s._currentStartSize1 = 0,
                s._currentStartSize2 = 0,
                s._rawTextureWidth = 256,
                s._useRampGradients = !1,
                s._disposeEmitterOnDispose = !1,
                s.isLocal = !1,
                s._onBeforeDrawParticlesObservable = null,
                s.recycleParticle = function(e) {
                    var t = s._particles.pop();
                    t !== e && t.copyTo(e),
                    s._stockParticles.push(t)
                }
                ,
                s._createParticle = function() {
                    var e;
                    if (0 !== s._stockParticles.length ? (e = s._stockParticles.pop())._reset() : e = new dy(s),
                    s._subEmitters && s._subEmitters.length > 0) {
                        var t = s._subEmitters[Math.floor(Math.random() * s._subEmitters.length)];
                        e._attachedSubEmitters = [],
                        t.forEach((function(t) {
                            if (t.type === sy.ATTACHED) {
                                var i = t.clone();
                                e._attachedSubEmitters.push(i),
                                i.particleSystem.start()
                            }
                        }
                        ))
                    }
                    return e
                }
                ,
                s._emitFromParticle = function(e) {
                    if (s._subEmitters && 0 !== s._subEmitters.length) {
                        var t = Math.floor(Math.random() * s._subEmitters.length);
                        s._subEmitters[t].forEach((function(t) {
                            if (t.type === sy.END) {
                                var i = t.clone();
                                e._inheritParticleInfoToSubEmitter(i),
                                i.particleSystem._rootParticleSystem = s,
                                s.activeSubSystems.push(i.particleSystem),
                                i.particleSystem.start()
                            }
                        }
                        ))
                    }
                }
                ,
                s._capacity = i,
                s._epsilon = a,
                s._isAnimationSheetEnabled = o,
                n && "Scene" !== n.getClassName() ? (s._engine = n,
                s.defaultProjectionMatrix = P.PerspectiveFovLH(.8, 1, .1, 100, s._engine.isNDCHalfZRange)) : (s._scene = n || E.LastCreatedScene,
                s._engine = s._scene.getEngine(),
                s.uniqueId = s._scene.getUniqueId(),
                s._scene.particleSystems.push(s)),
                s._engine.getCaps().vertexArrayObject && (s._vertexArrayObject = null),
                s._attachImageProcessingConfiguration(null),
                s._customWrappers = {
                    0: new Gt(s._engine)
                },
                s._customWrappers[0].effect = r,
                s._drawWrappers = [],
                s._useInstancing = s._engine.getCaps().instancedArrays,
                s._createIndexBuffer(),
                s._createVertexBuffers(),
                s.particleEmitterType = new hf;
                var l = null;
                return s.updateFunction = function(e) {
                    var t, i = null;
                    s.noiseTexture && (i = s.noiseTexture.getSize(),
                    null === (t = s.noiseTexture.getContent()) || void 0 === t || t.then((function(e) {
                        l = e
                    }
                    )));
                    for (var n, r = function(t) {
                        var r = e[t]
                          , o = s._scaledUpdateSpeed
                          , a = r.age;
                        if (r.age += o,
                        r.age > r.lifeTime) {
                            var c = r.age - a;
                            o = (r.lifeTime - a) * o / c,
                            r.age = r.lifeTime
                        }
                        var u = r.age / r.lifeTime;
                        s._colorGradients && s._colorGradients.length > 0 ? hy.GetCurrentGradient(u, s._colorGradients, (function(e, t, i) {
                            e !== r._currentColorGradient && (r._currentColor1.copyFrom(r._currentColor2),
                            t.getColorToRef(r._currentColor2),
                            r._currentColorGradient = e),
                            N.LerpToRef(r._currentColor1, r._currentColor2, i, r.color)
                        }
                        )) : (r.colorStep.scaleToRef(o, s._scaledColorStep),
                        r.color.addInPlace(s._scaledColorStep),
                        r.color.a < 0 && (r.color.a = 0)),
                        s._angularSpeedGradients && s._angularSpeedGradients.length > 0 && hy.GetCurrentGradient(u, s._angularSpeedGradients, (function(e, t, i) {
                            e !== r._currentAngularSpeedGradient && (r._currentAngularSpeed1 = r._currentAngularSpeed2,
                            r._currentAngularSpeed2 = t.getFactor(),
                            r._currentAngularSpeedGradient = e),
                            r.angularSpeed = d.Lerp(r._currentAngularSpeed1, r._currentAngularSpeed2, i)
                        }
                        )),
                        r.angle += r.angularSpeed * o;
                        var h = o;
                        if (s._velocityGradients && s._velocityGradients.length > 0 && hy.GetCurrentGradient(u, s._velocityGradients, (function(e, t, i) {
                            e !== r._currentVelocityGradient && (r._currentVelocity1 = r._currentVelocity2,
                            r._currentVelocity2 = t.getFactor(),
                            r._currentVelocityGradient = e),
                            h *= d.Lerp(r._currentVelocity1, r._currentVelocity2, i)
                        }
                        )),
                        r.direction.scaleToRef(h, s._scaledDirection),
                        s._limitVelocityGradients && s._limitVelocityGradients.length > 0 && hy.GetCurrentGradient(u, s._limitVelocityGradients, (function(e, t, i) {
                            e !== r._currentLimitVelocityGradient && (r._currentLimitVelocity1 = r._currentLimitVelocity2,
                            r._currentLimitVelocity2 = t.getFactor(),
                            r._currentLimitVelocityGradient = e);
                            var n = d.Lerp(r._currentLimitVelocity1, r._currentLimitVelocity2, i);
                            r.direction.length() > n && r.direction.scaleInPlace(s.limitVelocityDamping)
                        }
                        )),
                        s._dragGradients && s._dragGradients.length > 0 && hy.GetCurrentGradient(u, s._dragGradients, (function(e, t, i) {
                            e !== r._currentDragGradient && (r._currentDrag1 = r._currentDrag2,
                            r._currentDrag2 = t.getFactor(),
                            r._currentDragGradient = e);
                            var n = d.Lerp(r._currentDrag1, r._currentDrag2, i);
                            s._scaledDirection.scaleInPlace(1 - n)
                        }
                        )),
                        s.isLocal && r._localPosition ? (r._localPosition.addInPlace(s._scaledDirection),
                        x.TransformCoordinatesToRef(r._localPosition, s._emitterWorldMatrix, r.position)) : r.position.addInPlace(s._scaledDirection),
                        l && i && r._randomNoiseCoordinates1) {
                            var p = s._fetchR(r._randomNoiseCoordinates1.x, r._randomNoiseCoordinates1.y, i.width, i.height, l)
                              , f = s._fetchR(r._randomNoiseCoordinates1.z, r._randomNoiseCoordinates2.x, i.width, i.height, l)
                              , _ = s._fetchR(r._randomNoiseCoordinates2.y, r._randomNoiseCoordinates2.z, i.width, i.height, l)
                              , m = I.Vector3[0]
                              , g = I.Vector3[1];
                            m.copyFromFloats((2 * p - 1) * s.noiseStrength.x, (2 * f - 1) * s.noiseStrength.y, (2 * _ - 1) * s.noiseStrength.z),
                            m.scaleToRef(o, g),
                            r.direction.addInPlace(g)
                        }
                        if (s.gravity.scaleToRef(o, s._scaledGravity),
                        r.direction.addInPlace(s._scaledGravity),
                        s._sizeGradients && s._sizeGradients.length > 0 && hy.GetCurrentGradient(u, s._sizeGradients, (function(e, t, i) {
                            e !== r._currentSizeGradient && (r._currentSize1 = r._currentSize2,
                            r._currentSize2 = t.getFactor(),
                            r._currentSizeGradient = e),
                            r.size = d.Lerp(r._currentSize1, r._currentSize2, i)
                        }
                        )),
                        s._useRampGradients && (s._colorRemapGradients && s._colorRemapGradients.length > 0 && hy.GetCurrentGradient(u, s._colorRemapGradients, (function(e, t, i) {
                            var n = d.Lerp(e.factor1, t.factor1, i)
                              , o = d.Lerp(e.factor2, t.factor2, i);
                            r.remapData.x = n,
                            r.remapData.y = o - n
                        }
                        )),
                        s._alphaRemapGradients && s._alphaRemapGradients.length > 0 && hy.GetCurrentGradient(u, s._alphaRemapGradients, (function(e, t, i) {
                            var n = d.Lerp(e.factor1, t.factor1, i)
                              , o = d.Lerp(e.factor2, t.factor2, i);
                            r.remapData.z = n,
                            r.remapData.w = o - n
                        }
                        ))),
                        s._isAnimationSheetEnabled && r.updateCellIndex(),
                        r._inheritParticleInfoToSubEmitters(),
                        r.age >= r.lifeTime)
                            return s._emitFromParticle(r),
                            r._attachedSubEmitters && (r._attachedSubEmitters.forEach((function(e) {
                                e.particleSystem.disposeOnStop = !0,
                                e.particleSystem.stop()
                            }
                            )),
                            r._attachedSubEmitters = null),
                            s.recycleParticle(r),
                            t--,
                            n = t,
                            "continue";
                        n = t
                    }, o = 0; o < e.length; o++)
                        r(o),
                        o = n
                }
                ,
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "useRampGradients", {
                get: function() {
                    return this._useRampGradients
                },
                set: function(e) {
                    this._useRampGradients !== e && (this._useRampGradients = e,
                    this._resetEffect())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "particles", {
                get: function() {
                    return this._particles
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getActiveCount = function() {
                return this._particles.length
            }
            ,
            t.prototype.getClassName = function() {
                return "ParticleSystem"
            }
            ,
            t.prototype.isStopping = function() {
                return this._stopped && this.isAlive()
            }
            ,
            t.prototype.getCustomEffect = function(e) {
                var t, i;
                return void 0 === e && (e = 0),
                null !== (i = null === (t = this._customWrappers[e]) || void 0 === t ? void 0 : t.effect) && void 0 !== i ? i : this._customWrappers[0].effect
            }
            ,
            t.prototype._getCustomDrawWrapper = function(e) {
                var t;
                return void 0 === e && (e = 0),
                null !== (t = this._customWrappers[e]) && void 0 !== t ? t : this._customWrappers[0]
            }
            ,
            t.prototype.setCustomEffect = function(e, t) {
                void 0 === t && (t = 0),
                this._customWrappers[t] = new Gt(this._engine),
                this._customWrappers[t].effect = e,
                this._customWrappers[t].drawContext && (this._customWrappers[t].drawContext.useInstancing = this._useInstancing)
            }
            ,
            Object.defineProperty(t.prototype, "onBeforeDrawParticlesObservable", {
                get: function() {
                    return this._onBeforeDrawParticlesObservable || (this._onBeforeDrawParticlesObservable = new h),
                    this._onBeforeDrawParticlesObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vertexShaderName", {
                get: function() {
                    return "particles"
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vertexBuffers", {
                get: function() {
                    return this._vertexBuffers
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "indexBuffer", {
                get: function() {
                    return this._indexBuffer
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._addFactorGradient = function(e, t, i, n) {
                var r = new uy(t,i,n);
                e.push(r),
                e.sort((function(e, t) {
                    return e.gradient < t.gradient ? -1 : e.gradient > t.gradient ? 1 : 0
                }
                ))
            }
            ,
            t.prototype._removeFactorGradient = function(e, t) {
                if (e)
                    for (var i = 0, n = 0, r = e; n < r.length; n++) {
                        if (r[n].gradient === t) {
                            e.splice(i, 1);
                            break
                        }
                        i++
                    }
            }
            ,
            t.prototype.addLifeTimeGradient = function(e, t, i) {
                return this._lifeTimeGradients || (this._lifeTimeGradients = []),
                this._addFactorGradient(this._lifeTimeGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeLifeTimeGradient = function(e) {
                return this._removeFactorGradient(this._lifeTimeGradients, e),
                this
            }
            ,
            t.prototype.addSizeGradient = function(e, t, i) {
                return this._sizeGradients || (this._sizeGradients = []),
                this._addFactorGradient(this._sizeGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeSizeGradient = function(e) {
                return this._removeFactorGradient(this._sizeGradients, e),
                this
            }
            ,
            t.prototype.addColorRemapGradient = function(e, t, i) {
                return this._colorRemapGradients || (this._colorRemapGradients = []),
                this._addFactorGradient(this._colorRemapGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeColorRemapGradient = function(e) {
                return this._removeFactorGradient(this._colorRemapGradients, e),
                this
            }
            ,
            t.prototype.addAlphaRemapGradient = function(e, t, i) {
                return this._alphaRemapGradients || (this._alphaRemapGradients = []),
                this._addFactorGradient(this._alphaRemapGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeAlphaRemapGradient = function(e) {
                return this._removeFactorGradient(this._alphaRemapGradients, e),
                this
            }
            ,
            t.prototype.addAngularSpeedGradient = function(e, t, i) {
                return this._angularSpeedGradients || (this._angularSpeedGradients = []),
                this._addFactorGradient(this._angularSpeedGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeAngularSpeedGradient = function(e) {
                return this._removeFactorGradient(this._angularSpeedGradients, e),
                this
            }
            ,
            t.prototype.addVelocityGradient = function(e, t, i) {
                return this._velocityGradients || (this._velocityGradients = []),
                this._addFactorGradient(this._velocityGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeVelocityGradient = function(e) {
                return this._removeFactorGradient(this._velocityGradients, e),
                this
            }
            ,
            t.prototype.addLimitVelocityGradient = function(e, t, i) {
                return this._limitVelocityGradients || (this._limitVelocityGradients = []),
                this._addFactorGradient(this._limitVelocityGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeLimitVelocityGradient = function(e) {
                return this._removeFactorGradient(this._limitVelocityGradients, e),
                this
            }
            ,
            t.prototype.addDragGradient = function(e, t, i) {
                return this._dragGradients || (this._dragGradients = []),
                this._addFactorGradient(this._dragGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeDragGradient = function(e) {
                return this._removeFactorGradient(this._dragGradients, e),
                this
            }
            ,
            t.prototype.addEmitRateGradient = function(e, t, i) {
                return this._emitRateGradients || (this._emitRateGradients = []),
                this._addFactorGradient(this._emitRateGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeEmitRateGradient = function(e) {
                return this._removeFactorGradient(this._emitRateGradients, e),
                this
            }
            ,
            t.prototype.addStartSizeGradient = function(e, t, i) {
                return this._startSizeGradients || (this._startSizeGradients = []),
                this._addFactorGradient(this._startSizeGradients, e, t, i),
                this
            }
            ,
            t.prototype.removeStartSizeGradient = function(e) {
                return this._removeFactorGradient(this._startSizeGradients, e),
                this
            }
            ,
            t.prototype._createRampGradientTexture = function() {
                if (this._rampGradients && this._rampGradients.length && !this._rampGradientsTexture && this._scene) {
                    for (var e = new Uint8Array(4 * this._rawTextureWidth), t = L.Color3[0], i = function(i) {
                        var r = i / n._rawTextureWidth;
                        hy.GetCurrentGradient(r, n._rampGradients, (function(n, r, o) {
                            D.LerpToRef(n.color, r.color, o, t),
                            e[4 * i] = 255 * t.r,
                            e[4 * i + 1] = 255 * t.g,
                            e[4 * i + 2] = 255 * t.b,
                            e[4 * i + 3] = 255
                        }
                        ))
                    }, n = this, r = 0; r < this._rawTextureWidth; r++)
                        i(r);
                    this._rampGradientsTexture = ao.CreateRGBATexture(e, this._rawTextureWidth, 1, this._scene, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)
                }
            }
            ,
            t.prototype.getRampGradients = function() {
                return this._rampGradients
            }
            ,
            t.prototype.forceRefreshGradients = function() {
                this._syncRampGradientTexture()
            }
            ,
            t.prototype._syncRampGradientTexture = function() {
                this._rampGradients && (this._rampGradients.sort((function(e, t) {
                    return e.gradient < t.gradient ? -1 : e.gradient > t.gradient ? 1 : 0
                }
                )),
                this._rampGradientsTexture && (this._rampGradientsTexture.dispose(),
                this._rampGradientsTexture = null),
                this._createRampGradientTexture())
            }
            ,
            t.prototype.addRampGradient = function(e, t) {
                this._rampGradients || (this._rampGradients = []);
                var i = new cy(e,t);
                return this._rampGradients.push(i),
                this._syncRampGradientTexture(),
                this
            }
            ,
            t.prototype.removeRampGradient = function(e) {
                return this._removeGradientAndTexture(e, this._rampGradients, this._rampGradientsTexture),
                this._rampGradientsTexture = null,
                this._rampGradients && this._rampGradients.length > 0 && this._createRampGradientTexture(),
                this
            }
            ,
            t.prototype.addColorGradient = function(e, t, i) {
                this._colorGradients || (this._colorGradients = []);
                var n = new ly(e,t,i);
                return this._colorGradients.push(n),
                this._colorGradients.sort((function(e, t) {
                    return e.gradient < t.gradient ? -1 : e.gradient > t.gradient ? 1 : 0
                }
                )),
                this
            }
            ,
            t.prototype.removeColorGradient = function(e) {
                if (!this._colorGradients)
                    return this;
                for (var t = 0, i = 0, n = this._colorGradients; i < n.length; i++) {
                    if (n[i].gradient === e) {
                        this._colorGradients.splice(t, 1);
                        break
                    }
                    t++
                }
                return this
            }
            ,
            t.prototype.resetDrawCache = function() {
                for (var e = 0, t = this._drawWrappers; e < t.length; e++) {
                    var i = t[e];
                    if (i)
                        for (var n = 0, r = i; n < r.length; n++) {
                            var o = r[n];
                            null == o || o.dispose()
                        }
                }
                this._drawWrappers = []
            }
            ,
            t.prototype._fetchR = function(e, t, i, n, r) {
                return r[4 * (((e = .5 * Math.abs(e) + .5) * i % i | 0) + ((t = .5 * Math.abs(t) + .5) * n % n | 0) * i)] / 255
            }
            ,
            t.prototype._reset = function() {
                this._resetEffect()
            }
            ,
            t.prototype._resetEffect = function() {
                this._vertexBuffer && (this._vertexBuffer.dispose(),
                this._vertexBuffer = null),
                this._spriteBuffer && (this._spriteBuffer.dispose(),
                this._spriteBuffer = null),
                this._vertexArrayObject && (this._engine.releaseVertexArrayObject(this._vertexArrayObject),
                this._vertexArrayObject = null),
                this._createVertexBuffers()
            }
            ,
            t.prototype._createVertexBuffers = function() {
                this._vertexBufferSize = this._useInstancing ? 10 : 12,
                this._isAnimationSheetEnabled && (this._vertexBufferSize += 1),
                this._isBillboardBased && this.billboardMode !== t.BILLBOARDMODE_STRETCHED || (this._vertexBufferSize += 3),
                this._useRampGradients && (this._vertexBufferSize += 4);
                var e = this._engine;
                this._vertexData = new Float32Array(this._capacity * this._vertexBufferSize * (this._useInstancing ? 1 : 4)),
                this._vertexBuffer = new wi(e,this._vertexData,!0,this._vertexBufferSize);
                var i = 0
                  , n = this._vertexBuffer.createVertexBuffer(Bi.PositionKind, i, 3, this._vertexBufferSize, this._useInstancing);
                this._vertexBuffers[Bi.PositionKind] = n,
                i += 3;
                var r = this._vertexBuffer.createVertexBuffer(Bi.ColorKind, i, 4, this._vertexBufferSize, this._useInstancing);
                this._vertexBuffers[Bi.ColorKind] = r,
                i += 4;
                var o = this._vertexBuffer.createVertexBuffer("angle", i, 1, this._vertexBufferSize, this._useInstancing);
                this._vertexBuffers.angle = o,
                i += 1;
                var a, s = this._vertexBuffer.createVertexBuffer("size", i, 2, this._vertexBufferSize, this._useInstancing);
                if (this._vertexBuffers.size = s,
                i += 2,
                this._isAnimationSheetEnabled) {
                    var l = this._vertexBuffer.createVertexBuffer("cellIndex", i, 1, this._vertexBufferSize, this._useInstancing);
                    this._vertexBuffers.cellIndex = l,
                    i += 1
                }
                if (!this._isBillboardBased || this.billboardMode === t.BILLBOARDMODE_STRETCHED) {
                    var c = this._vertexBuffer.createVertexBuffer("direction", i, 3, this._vertexBufferSize, this._useInstancing);
                    this._vertexBuffers.direction = c,
                    i += 3
                }
                if (this._useRampGradients) {
                    var u = this._vertexBuffer.createVertexBuffer("remapData", i, 4, this._vertexBufferSize, this._useInstancing);
                    this._vertexBuffers.remapData = u,
                    i += 4
                }
                if (this._useInstancing) {
                    var h = new Float32Array([0, 0, 1, 0, 0, 1, 1, 1]);
                    this._spriteBuffer = new wi(e,h,!1,2),
                    a = this._spriteBuffer.createVertexBuffer("offset", 0, 2)
                } else
                    a = this._vertexBuffer.createVertexBuffer("offset", i, 2, this._vertexBufferSize, this._useInstancing),
                    i += 2;
                this._vertexBuffers.offset = a,
                this.resetDrawCache()
            }
            ,
            t.prototype._createIndexBuffer = function() {
                if (!this._useInstancing) {
                    for (var e = [], t = 0, i = 0; i < this._capacity; i++)
                        e.push(t),
                        e.push(t + 1),
                        e.push(t + 2),
                        e.push(t),
                        e.push(t + 2),
                        e.push(t + 3),
                        t += 4;
                    this._indexBuffer = this._engine.createIndexBuffer(e)
                }
            }
            ,
            t.prototype.getCapacity = function() {
                return this._capacity
            }
            ,
            t.prototype.isAlive = function() {
                return this._alive
            }
            ,
            t.prototype.isStarted = function() {
                return this._started
            }
            ,
            t.prototype._prepareSubEmitterInternalArray = function() {
                var e = this;
                this._subEmitters = new Array,
                this.subEmitters && this.subEmitters.forEach((function(i) {
                    i instanceof t ? e._subEmitters.push([new py(i)]) : i instanceof py ? e._subEmitters.push([i]) : i instanceof Array && e._subEmitters.push(i)
                }
                ))
            }
            ,
            t.prototype.start = function(e) {
                var t, i = this;
                if (void 0 === e && (e = this.startDelay),
                !this.targetStopDuration && this._hasTargetStopDurationDependantGradient())
                    throw "Particle system started with a targetStopDuration dependant gradient (eg. startSizeGradients) but no targetStopDuration set";
                if (e)
                    setTimeout((function() {
                        i.start(0)
                    }
                    ), e);
                else {
                    if (this._prepareSubEmitterInternalArray(),
                    this._started = !0,
                    this._stopped = !1,
                    this._actualFrame = 0,
                    this._subEmitters && 0 != this._subEmitters.length && (this.activeSubSystems = new Array),
                    this._emitRateGradients && (this._emitRateGradients.length > 0 && (this._currentEmitRateGradient = this._emitRateGradients[0],
                    this._currentEmitRate1 = this._currentEmitRateGradient.getFactor(),
                    this._currentEmitRate2 = this._currentEmitRate1),
                    this._emitRateGradients.length > 1 && (this._currentEmitRate2 = this._emitRateGradients[1].getFactor())),
                    this._startSizeGradients && (this._startSizeGradients.length > 0 && (this._currentStartSizeGradient = this._startSizeGradients[0],
                    this._currentStartSize1 = this._currentStartSizeGradient.getFactor(),
                    this._currentStartSize2 = this._currentStartSize1),
                    this._startSizeGradients.length > 1 && (this._currentStartSize2 = this._startSizeGradients[1].getFactor())),
                    this.preWarmCycles) {
                        -1 !== (null === (t = this.emitter) || void 0 === t ? void 0 : t.getClassName().indexOf("Mesh")) && this.emitter.computeWorldMatrix(!0);
                        var n = this.noiseTexture;
                        if (n && n.onGeneratedObservable)
                            n.onGeneratedObservable.addOnce((function() {
                                setTimeout((function() {
                                    for (var e = 0; e < i.preWarmCycles; e++)
                                        i.animate(!0),
                                        n.render()
                                }
                                ))
                            }
                            ));
                        else
                            for (var r = 0; r < this.preWarmCycles; r++)
                                this.animate(!0)
                    }
                    this.beginAnimationOnStart && this.animations && this.animations.length > 0 && this._scene && this._scene.beginAnimation(this, this.beginAnimationFrom, this.beginAnimationTo, this.beginAnimationLoop)
                }
            }
            ,
            t.prototype.stop = function(e) {
                void 0 === e && (e = !0),
                this._stopped || (this.onStoppedObservable.notifyObservers(this),
                this._stopped = !0,
                e && this._stopSubEmitters())
            }
            ,
            t.prototype.reset = function() {
                this._stockParticles = [],
                this._particles = []
            }
            ,
            t.prototype._appendParticleVertex = function(e, i, n, r) {
                var o = e * this._vertexBufferSize;
                if (this._vertexData[o++] = i.position.x + this.worldOffset.x,
                this._vertexData[o++] = i.position.y + this.worldOffset.y,
                this._vertexData[o++] = i.position.z + this.worldOffset.z,
                this._vertexData[o++] = i.color.r,
                this._vertexData[o++] = i.color.g,
                this._vertexData[o++] = i.color.b,
                this._vertexData[o++] = i.color.a,
                this._vertexData[o++] = i.angle,
                this._vertexData[o++] = i.scale.x * i.size,
                this._vertexData[o++] = i.scale.y * i.size,
                this._isAnimationSheetEnabled && (this._vertexData[o++] = i.cellIndex),
                this._isBillboardBased)
                    this.billboardMode === t.BILLBOARDMODE_STRETCHED && (this._vertexData[o++] = i.direction.x,
                    this._vertexData[o++] = i.direction.y,
                    this._vertexData[o++] = i.direction.z);
                else if (i._initialDirection) {
                    var a = i._initialDirection;
                    this.isLocal && (x.TransformNormalToRef(a, this._emitterWorldMatrix, I.Vector3[0]),
                    a = I.Vector3[0]),
                    0 === a.x && 0 === a.z && (a.x = .001),
                    this._vertexData[o++] = a.x,
                    this._vertexData[o++] = a.y,
                    this._vertexData[o++] = a.z
                } else {
                    var s = i.direction;
                    this.isLocal && (x.TransformNormalToRef(s, this._emitterWorldMatrix, I.Vector3[0]),
                    s = I.Vector3[0]),
                    0 === s.x && 0 === s.z && (s.x = .001),
                    this._vertexData[o++] = s.x,
                    this._vertexData[o++] = s.y,
                    this._vertexData[o++] = s.z
                }
                this._useRampGradients && i.remapData && (this._vertexData[o++] = i.remapData.x,
                this._vertexData[o++] = i.remapData.y,
                this._vertexData[o++] = i.remapData.z,
                this._vertexData[o++] = i.remapData.w),
                this._useInstancing || (this._isAnimationSheetEnabled && (0 === n ? n = this._epsilon : 1 === n && (n = 1 - this._epsilon),
                0 === r ? r = this._epsilon : 1 === r && (r = 1 - this._epsilon)),
                this._vertexData[o++] = n,
                this._vertexData[o++] = r)
            }
            ,
            t.prototype._stopSubEmitters = function() {
                this.activeSubSystems && (this.activeSubSystems.forEach((function(e) {
                    e.stop(!0)
                }
                )),
                this.activeSubSystems = new Array)
            }
            ,
            t.prototype._removeFromRoot = function() {
                if (this._rootParticleSystem) {
                    var e = this._rootParticleSystem.activeSubSystems.indexOf(this);
                    -1 !== e && this._rootParticleSystem.activeSubSystems.splice(e, 1),
                    this._rootParticleSystem = null
                }
            }
            ,
            t.prototype._update = function(e) {
                var t, i = this;
                if (this._alive = this._particles.length > 0,
                this.emitter.position) {
                    var n = this.emitter;
                    this._emitterWorldMatrix = n.getWorldMatrix()
                } else {
                    var r = this.emitter;
                    this._emitterWorldMatrix = P.Translation(r.x, r.y, r.z)
                }
                this._emitterWorldMatrix.invertToRef(this._emitterInverseWorldMatrix),
                this.updateFunction(this._particles);
                for (var o = function(e) {
                    if (a._particles.length === a._capacity)
                        return "break";
                    if (t = a._createParticle(),
                    a._particles.push(t),
                    a.targetStopDuration && a._lifeTimeGradients && a._lifeTimeGradients.length > 0) {
                        var n = d.Clamp(a._actualFrame / a.targetStopDuration);
                        hy.GetCurrentGradient(n, a._lifeTimeGradients, (function(e, i) {
                            var r = e
                              , o = i
                              , a = r.getFactor()
                              , s = o.getFactor()
                              , l = (n - r.gradient) / (o.gradient - r.gradient);
                            t.lifeTime = d.Lerp(a, s, l)
                        }
                        ))
                    } else
                        t.lifeTime = d.RandomRange(a.minLifeTime, a.maxLifeTime);
                    var r = d.RandomRange(a.minEmitPower, a.maxEmitPower);
                    if (a.startPositionFunction ? a.startPositionFunction(a._emitterWorldMatrix, t.position, t, a.isLocal) : a.particleEmitterType.startPositionFunction(a._emitterWorldMatrix, t.position, t, a.isLocal),
                    a.isLocal && (t._localPosition ? t._localPosition.copyFrom(t.position) : t._localPosition = t.position.clone(),
                    x.TransformCoordinatesToRef(t._localPosition, a._emitterWorldMatrix, t.position)),
                    a.startDirectionFunction ? a.startDirectionFunction(a._emitterWorldMatrix, t.direction, t, a.isLocal) : a.particleEmitterType.startDirectionFunction(a._emitterWorldMatrix, t.direction, t, a.isLocal, a._emitterInverseWorldMatrix),
                    0 === r ? t._initialDirection ? t._initialDirection.copyFrom(t.direction) : t._initialDirection = t.direction.clone() : t._initialDirection = null,
                    t.direction.scaleInPlace(r),
                    a._sizeGradients && 0 !== a._sizeGradients.length ? (t._currentSizeGradient = a._sizeGradients[0],
                    t._currentSize1 = t._currentSizeGradient.getFactor(),
                    t.size = t._currentSize1,
                    a._sizeGradients.length > 1 ? t._currentSize2 = a._sizeGradients[1].getFactor() : t._currentSize2 = t._currentSize1) : t.size = d.RandomRange(a.minSize, a.maxSize),
                    t.scale.copyFromFloats(d.RandomRange(a.minScaleX, a.maxScaleX), d.RandomRange(a.minScaleY, a.maxScaleY)),
                    a._startSizeGradients && a._startSizeGradients[0] && a.targetStopDuration) {
                        var o = a._actualFrame / a.targetStopDuration;
                        hy.GetCurrentGradient(o, a._startSizeGradients, (function(e, n, r) {
                            e !== i._currentStartSizeGradient && (i._currentStartSize1 = i._currentStartSize2,
                            i._currentStartSize2 = n.getFactor(),
                            i._currentStartSizeGradient = e);
                            var o = d.Lerp(i._currentStartSize1, i._currentStartSize2, r);
                            t.scale.scaleInPlace(o)
                        }
                        ))
                    }
                    if (a._angularSpeedGradients && 0 !== a._angularSpeedGradients.length ? (t._currentAngularSpeedGradient = a._angularSpeedGradients[0],
                    t.angularSpeed = t._currentAngularSpeedGradient.getFactor(),
                    t._currentAngularSpeed1 = t.angularSpeed,
                    a._angularSpeedGradients.length > 1 ? t._currentAngularSpeed2 = a._angularSpeedGradients[1].getFactor() : t._currentAngularSpeed2 = t._currentAngularSpeed1) : t.angularSpeed = d.RandomRange(a.minAngularSpeed, a.maxAngularSpeed),
                    t.angle = d.RandomRange(a.minInitialRotation, a.maxInitialRotation),
                    a._velocityGradients && a._velocityGradients.length > 0 && (t._currentVelocityGradient = a._velocityGradients[0],
                    t._currentVelocity1 = t._currentVelocityGradient.getFactor(),
                    a._velocityGradients.length > 1 ? t._currentVelocity2 = a._velocityGradients[1].getFactor() : t._currentVelocity2 = t._currentVelocity1),
                    a._limitVelocityGradients && a._limitVelocityGradients.length > 0 && (t._currentLimitVelocityGradient = a._limitVelocityGradients[0],
                    t._currentLimitVelocity1 = t._currentLimitVelocityGradient.getFactor(),
                    a._limitVelocityGradients.length > 1 ? t._currentLimitVelocity2 = a._limitVelocityGradients[1].getFactor() : t._currentLimitVelocity2 = t._currentLimitVelocity1),
                    a._dragGradients && a._dragGradients.length > 0 && (t._currentDragGradient = a._dragGradients[0],
                    t._currentDrag1 = t._currentDragGradient.getFactor(),
                    a._dragGradients.length > 1 ? t._currentDrag2 = a._dragGradients[1].getFactor() : t._currentDrag2 = t._currentDrag1),
                    a._colorGradients && 0 !== a._colorGradients.length)
                        t._currentColorGradient = a._colorGradients[0],
                        t._currentColorGradient.getColorToRef(t.color),
                        t._currentColor1.copyFrom(t.color),
                        a._colorGradients.length > 1 ? a._colorGradients[1].getColorToRef(t._currentColor2) : t._currentColor2.copyFrom(t.color);
                    else {
                        var s = d.RandomRange(0, 1);
                        N.LerpToRef(a.color1, a.color2, s, t.color),
                        a.colorDead.subtractToRef(t.color, a._colorDiff),
                        a._colorDiff.scaleToRef(1 / t.lifeTime, t.colorStep)
                    }
                    a._isAnimationSheetEnabled && (t._initialStartSpriteCellID = a.startSpriteCellID,
                    t._initialEndSpriteCellID = a.endSpriteCellID,
                    t._initialSpriteCellLoop = a.spriteCellLoop),
                    t.direction.addInPlace(a._inheritedVelocityOffset),
                    a._useRampGradients && (t.remapData = new R(0,1,0,1)),
                    a.noiseTexture && (t._randomNoiseCoordinates1 ? (t._randomNoiseCoordinates1.copyFromFloats(Math.random(), Math.random(), Math.random()),
                    t._randomNoiseCoordinates2.copyFromFloats(Math.random(), Math.random(), Math.random())) : (t._randomNoiseCoordinates1 = new x(Math.random(),Math.random(),Math.random()),
                    t._randomNoiseCoordinates2 = new x(Math.random(),Math.random(),Math.random()))),
                    t._inheritParticleInfoToSubEmitters()
                }, a = this, s = 0; s < e && "break" !== o(); s++)
                    ;
            }
            ,
            t._GetAttributeNamesOrOptions = function(e, t, i) {
                void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                void 0 === i && (i = !1);
                var n = [Bi.PositionKind, Bi.ColorKind, "angle", "offset", "size"];
                return e && n.push("cellIndex"),
                t || n.push("direction"),
                i && n.push("remapData"),
                n
            }
            ,
            t._GetEffectCreationOptions = function(e) {
                void 0 === e && (e = !1);
                var t = ["invView", "view", "projection", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "textureMask", "translationPivot", "eyePosition"];
                return e && t.push("particlesInfos"),
                t
            }
            ,
            t.prototype.fillDefines = function(e, i) {
                if (this._scene && (this._scene.clipPlane && e.push("#define CLIPPLANE"),
                this._scene.clipPlane2 && e.push("#define CLIPPLANE2"),
                this._scene.clipPlane3 && e.push("#define CLIPPLANE3"),
                this._scene.clipPlane4 && e.push("#define CLIPPLANE4"),
                this._scene.clipPlane5 && e.push("#define CLIPPLANE5"),
                this._scene.clipPlane6 && e.push("#define CLIPPLANE6")),
                this._isAnimationSheetEnabled && e.push("#define ANIMATESHEET"),
                i === t.BLENDMODE_MULTIPLY && e.push("#define BLENDMULTIPLYMODE"),
                this._useRampGradients && e.push("#define RAMPGRADIENT"),
                this._isBillboardBased)
                    switch (e.push("#define BILLBOARD"),
                    this.billboardMode) {
                    case t.BILLBOARDMODE_Y:
                        e.push("#define BILLBOARDY");
                        break;
                    case t.BILLBOARDMODE_STRETCHED:
                        e.push("#define BILLBOARDSTRETCHED");
                        break;
                    case t.BILLBOARDMODE_ALL:
                        e.push("#define BILLBOARDMODE_ALL")
                    }
                this._imageProcessingConfiguration && (this._imageProcessingConfiguration.prepareDefines(this._imageProcessingConfigurationDefines),
                e.push(this._imageProcessingConfigurationDefines.toString()))
            }
            ,
            t.prototype.fillUniformsAttributesAndSamplerNames = function(e, i, n) {
                i.push.apply(i, t._GetAttributeNamesOrOptions(this._isAnimationSheetEnabled, this._isBillboardBased && this.billboardMode !== t.BILLBOARDMODE_STRETCHED, this._useRampGradients)),
                e.push.apply(e, t._GetEffectCreationOptions(this._isAnimationSheetEnabled)),
                n.push("diffuseSampler", "rampSampler"),
                this._imageProcessingConfiguration && (Ri.PrepareUniforms(e, this._imageProcessingConfigurationDefines),
                Ri.PrepareSamplers(n, this._imageProcessingConfigurationDefines))
            }
            ,
            t.prototype._getWrapper = function(e) {
                var t = this._getCustomDrawWrapper(e);
                if (null == t ? void 0 : t.effect)
                    return t;
                var i = [];
                this.fillDefines(i, e);
                var n = this._engine._features.supportRenderPasses ? this._engine.currentRenderPassId : a.RENDERPASS_MAIN
                  , r = this._drawWrappers[n];
                r || (r = this._drawWrappers[n] = []);
                var o = r[e];
                o || ((o = new Gt(this._engine)).drawContext && (o.drawContext.useInstancing = this._useInstancing),
                r[e] = o);
                var s = i.join("\n");
                if (o.defines !== s) {
                    var l = []
                      , c = []
                      , u = [];
                    this.fillUniformsAttributesAndSamplerNames(c, l, u),
                    o.setEffect(this._engine.createEffect("particles", l, c, u, s), s)
                }
                return o
            }
            ,
            t.prototype.animate = function(e) {
                var t, i = this;
                if (void 0 === e && (e = !1),
                this._started) {
                    if (!e && this._scene) {
                        if (!this.isReady())
                            return;
                        if (this._currentRenderId === this._scene.getFrameId())
                            return;
                        this._currentRenderId = this._scene.getFrameId()
                    }
                    var n;
                    if (this._scaledUpdateSpeed = this.updateSpeed * (e ? this.preWarmStepOffset : (null === (t = this._scene) || void 0 === t ? void 0 : t.getAnimationRatio()) || 1),
                    this.manualEmitCount > -1)
                        n = this.manualEmitCount,
                        this._newPartsExcess = 0,
                        this.manualEmitCount = 0;
                    else {
                        var r = this.emitRate;
                        if (this._emitRateGradients && this._emitRateGradients.length > 0 && this.targetStopDuration) {
                            var o = this._actualFrame / this.targetStopDuration;
                            hy.GetCurrentGradient(o, this._emitRateGradients, (function(e, t, n) {
                                e !== i._currentEmitRateGradient && (i._currentEmitRate1 = i._currentEmitRate2,
                                i._currentEmitRate2 = t.getFactor(),
                                i._currentEmitRateGradient = e),
                                r = d.Lerp(i._currentEmitRate1, i._currentEmitRate2, n)
                            }
                            ))
                        }
                        n = r * this._scaledUpdateSpeed >> 0,
                        this._newPartsExcess += r * this._scaledUpdateSpeed - n
                    }
                    if (this._newPartsExcess > 1 && (n += this._newPartsExcess >> 0,
                    this._newPartsExcess -= this._newPartsExcess >> 0),
                    this._alive = !1,
                    this._stopped ? n = 0 : (this._actualFrame += this._scaledUpdateSpeed,
                    this.targetStopDuration && this._actualFrame >= this.targetStopDuration && this.stop()),
                    this._update(n),
                    this._stopped && (this._alive || (this._started = !1,
                    this.onAnimationEnd && this.onAnimationEnd(),
                    this.disposeOnStop && this._scene && this._scene._toBeDisposed.push(this))),
                    !e) {
                        for (var a = 0, s = 0; s < this._particles.length; s++) {
                            var l = this._particles[s];
                            this._appendParticleVertices(a, l),
                            a += this._useInstancing ? 1 : 4
                        }
                        this._vertexBuffer && this._vertexBuffer.updateDirectly(this._vertexData, 0, this._particles.length)
                    }
                    0 === this.manualEmitCount && this.disposeOnStop && this.stop()
                }
            }
            ,
            t.prototype._appendParticleVertices = function(e, t) {
                this._appendParticleVertex(e++, t, 0, 0),
                this._useInstancing || (this._appendParticleVertex(e++, t, 1, 0),
                this._appendParticleVertex(e++, t, 1, 1),
                this._appendParticleVertex(e++, t, 0, 1))
            }
            ,
            t.prototype.rebuild = function() {
                var e, t;
                for (var i in this._engine.getCaps().vertexArrayObject && (this._vertexArrayObject = null),
                this._createIndexBuffer(),
                null === (e = this._spriteBuffer) || void 0 === e || e._rebuild(),
                null === (t = this._vertexBuffer) || void 0 === t || t._rebuild(),
                this._vertexBuffers)
                    this._vertexBuffers[i]._rebuild();
                this.resetDrawCache()
            }
            ,
            t.prototype.isReady = function() {
                if (!this.emitter || this._imageProcessingConfiguration && !this._imageProcessingConfiguration.isReady() || !this.particleTexture || !this.particleTexture.isReady())
                    return !1;
                if (this.blendMode !== t.BLENDMODE_MULTIPLYADD) {
                    if (!this._getWrapper(this.blendMode).effect.isReady())
                        return !1
                } else {
                    if (!this._getWrapper(t.BLENDMODE_MULTIPLY).effect.isReady())
                        return !1;
                    if (!this._getWrapper(t.BLENDMODE_ADD).effect.isReady())
                        return !1
                }
                return !0
            }
            ,
            t.prototype._render = function(e) {
                var i, n, r = this._getWrapper(e), o = r.effect, s = this._engine;
                s.enableEffect(r);
                var l = null !== (i = this.defaultViewMatrix) && void 0 !== i ? i : this._scene.getViewMatrix();
                if (o.setTexture("diffuseSampler", this.particleTexture),
                o.setMatrix("view", l),
                o.setMatrix("projection", null !== (n = this.defaultProjectionMatrix) && void 0 !== n ? n : this._scene.getProjectionMatrix()),
                this._isAnimationSheetEnabled && this.particleTexture) {
                    var c = this.particleTexture.getBaseSize();
                    o.setFloat3("particlesInfos", this.spriteCellWidth / c.width, this.spriteCellHeight / c.height, this.spriteCellWidth / c.width)
                }
                if (o.setVector2("translationPivot", this.translationPivot),
                o.setFloat4("textureMask", this.textureMask.r, this.textureMask.g, this.textureMask.b, this.textureMask.a),
                this._isBillboardBased && this._scene) {
                    var u = this._scene.activeCamera;
                    o.setVector3("eyePosition", u.globalPosition)
                }
                this._rampGradientsTexture && (this._rampGradients && this._rampGradients.length || (this._rampGradientsTexture.dispose(),
                this._rampGradientsTexture = null),
                o.setTexture("rampSampler", this._rampGradientsTexture));
                var h = o.defines;
                switch (this._scene && (this._scene.clipPlane || this._scene.clipPlane2 || this._scene.clipPlane3 || this._scene.clipPlane4 || this._scene.clipPlane5 || this._scene.clipPlane6) && Pr.BindClipPlane(o, this._scene),
                h.indexOf("#define BILLBOARDMODE_ALL") >= 0 && (l.invertToRef(I.Matrix[0]),
                o.setMatrix("invView", I.Matrix[0])),
                void 0 !== this._vertexArrayObject ? (this._vertexArrayObject || (this._vertexArrayObject = this._engine.recordVertexArrayObject(this._vertexBuffers, this._indexBuffer, o)),
                this._engine.bindVertexArrayObject(this._vertexArrayObject, this._indexBuffer)) : s.bindBuffers(this._vertexBuffers, this._indexBuffer, o),
                this._imageProcessingConfiguration && !this._imageProcessingConfiguration.applyByPostProcess && this._imageProcessingConfiguration.bind(o),
                e) {
                case t.BLENDMODE_ADD:
                    s.setAlphaMode(a.ALPHA_ADD);
                    break;
                case t.BLENDMODE_ONEONE:
                    s.setAlphaMode(a.ALPHA_ONEONE);
                    break;
                case t.BLENDMODE_STANDARD:
                    s.setAlphaMode(a.ALPHA_COMBINE);
                    break;
                case t.BLENDMODE_MULTIPLY:
                    s.setAlphaMode(a.ALPHA_MULTIPLY)
                }
                return this._onBeforeDrawParticlesObservable && this._onBeforeDrawParticlesObservable.notifyObservers(o),
                this._useInstancing ? s.drawArraysType(a.MATERIAL_TriangleStripDrawMode, 0, 4, this._particles.length) : s.drawElementsType(a.MATERIAL_TriangleFillMode, 0, 6 * this._particles.length),
                this._particles.length
            }
            ,
            t.prototype.render = function() {
                if (!this.isReady() || !this._particles.length)
                    return 0;
                var e = this._engine;
                e.setState && (e.setState(!1),
                this.forceDepthWrite && e.setDepthWrite(!0));
                var i;
                return i = this.blendMode === t.BLENDMODE_MULTIPLYADD ? this._render(t.BLENDMODE_MULTIPLY) + this._render(t.BLENDMODE_ADD) : this._render(this.blendMode),
                this._engine.unbindInstanceAttributes(),
                this._engine.setAlphaMode(a.ALPHA_DISABLE),
                i
            }
            ,
            t.prototype.dispose = function(e) {
                if (void 0 === e && (e = !0),
                this.resetDrawCache(),
                this._vertexBuffer && (this._vertexBuffer.dispose(),
                this._vertexBuffer = null),
                this._spriteBuffer && (this._spriteBuffer.dispose(),
                this._spriteBuffer = null),
                this._indexBuffer && (this._engine._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null),
                this._vertexArrayObject && (this._engine.releaseVertexArrayObject(this._vertexArrayObject),
                this._vertexArrayObject = null),
                e && this.particleTexture && (this.particleTexture.dispose(),
                this.particleTexture = null),
                e && this.noiseTexture && (this.noiseTexture.dispose(),
                this.noiseTexture = null),
                this._rampGradientsTexture && (this._rampGradientsTexture.dispose(),
                this._rampGradientsTexture = null),
                this._removeFromRoot(),
                this.subEmitters && !this._subEmitters && this._prepareSubEmitterInternalArray(),
                this._subEmitters && this._subEmitters.length) {
                    for (var t = 0; t < this._subEmitters.length; t++)
                        for (var i = 0, n = this._subEmitters[t]; i < n.length; i++)
                            n[i].dispose();
                    this._subEmitters = [],
                    this.subEmitters = []
                }
                this._disposeEmitterOnDispose && this.emitter && this.emitter.dispose && this.emitter.dispose(!0),
                this._onBeforeDrawParticlesObservable && this._onBeforeDrawParticlesObservable.clear(),
                this._scene && ((t = this._scene.particleSystems.indexOf(this)) > -1 && this._scene.particleSystems.splice(t, 1),
                this._scene._activeParticleSystems.dispose()),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear(),
                this.onStoppedObservable.clear(),
                this.reset()
            }
            ,
            t.prototype.clone = function(e, i) {
                var n = V({}, this._customWrappers)
                  , r = null
                  , o = this._engine;
                if (o.createEffectForParticles && null != this.customShader) {
                    var a = (r = this.customShader).shaderOptions.defines.length > 0 ? r.shaderOptions.defines.join("\n") : ""
                      , s = o.createEffectForParticles(r.shaderPath.fragmentElement, r.shaderOptions.uniforms, r.shaderOptions.samplers, a);
                    n[0] ? n[0].effect = s : this.setCustomEffect(s, 0)
                }
                var l = this.serialize()
                  , c = t.Parse(l, this._scene || this._engine, this._rootUrl);
                return c.name = e,
                c.customShader = r,
                c._customWrappers = n,
                void 0 === i && (i = this.emitter),
                this.noiseTexture && (c.noiseTexture = this.noiseTexture.clone()),
                c.emitter = i,
                this.preventAutoStart || c.start(),
                c
            }
            ,
            t.prototype.serialize = function(e) {
                void 0 === e && (e = !1);
                var i = {};
                if (t._Serialize(i, this, e),
                i.textureMask = this.textureMask.asArray(),
                i.customShader = this.customShader,
                i.preventAutoStart = this.preventAutoStart,
                this.subEmitters) {
                    i.subEmitters = [],
                    this._subEmitters || this._prepareSubEmitterInternalArray();
                    for (var n = 0, r = this._subEmitters; n < r.length; n++) {
                        for (var o = [], a = 0, s = r[n]; a < s.length; a++) {
                            var l = s[a];
                            o.push(l.serialize(e))
                        }
                        i.subEmitters.push(o)
                    }
                }
                return i
            }
            ,
            t._Serialize = function(e, t, i) {
                if (e.name = t.name,
                e.id = t.id,
                e.capacity = t.getCapacity(),
                e.disposeOnStop = t.disposeOnStop,
                e.manualEmitCount = t.manualEmitCount,
                t.emitter.position) {
                    var n = t.emitter;
                    e.emitterId = n.id
                } else {
                    var r = t.emitter;
                    e.emitter = r.asArray()
                }
                t.particleEmitterType && (e.particleEmitterType = t.particleEmitterType.serialize()),
                t.particleTexture && (i ? e.texture = t.particleTexture.serialize() : (e.textureName = t.particleTexture.name,
                e.invertY = !!t.particleTexture._invertY)),
                e.isLocal = t.isLocal,
                Ge.AppendSerializedAnimations(t, e),
                e.beginAnimationOnStart = t.beginAnimationOnStart,
                e.beginAnimationFrom = t.beginAnimationFrom,
                e.beginAnimationTo = t.beginAnimationTo,
                e.beginAnimationLoop = t.beginAnimationLoop,
                e.startDelay = t.startDelay,
                e.renderingGroupId = t.renderingGroupId,
                e.isBillboardBased = t.isBillboardBased,
                e.billboardMode = t.billboardMode,
                e.minAngularSpeed = t.minAngularSpeed,
                e.maxAngularSpeed = t.maxAngularSpeed,
                e.minSize = t.minSize,
                e.maxSize = t.maxSize,
                e.minScaleX = t.minScaleX,
                e.maxScaleX = t.maxScaleX,
                e.minScaleY = t.minScaleY,
                e.maxScaleY = t.maxScaleY,
                e.minEmitPower = t.minEmitPower,
                e.maxEmitPower = t.maxEmitPower,
                e.minLifeTime = t.minLifeTime,
                e.maxLifeTime = t.maxLifeTime,
                e.emitRate = t.emitRate,
                e.gravity = t.gravity.asArray(),
                e.noiseStrength = t.noiseStrength.asArray(),
                e.color1 = t.color1.asArray(),
                e.color2 = t.color2.asArray(),
                e.colorDead = t.colorDead.asArray(),
                e.updateSpeed = t.updateSpeed,
                e.targetStopDuration = t.targetStopDuration,
                e.blendMode = t.blendMode,
                e.preWarmCycles = t.preWarmCycles,
                e.preWarmStepOffset = t.preWarmStepOffset,
                e.minInitialRotation = t.minInitialRotation,
                e.maxInitialRotation = t.maxInitialRotation,
                e.startSpriteCellID = t.startSpriteCellID,
                e.spriteCellLoop = t.spriteCellLoop,
                e.endSpriteCellID = t.endSpriteCellID,
                e.spriteCellChangeSpeed = t.spriteCellChangeSpeed,
                e.spriteCellWidth = t.spriteCellWidth,
                e.spriteCellHeight = t.spriteCellHeight,
                e.spriteRandomStartCell = t.spriteRandomStartCell,
                e.isAnimationSheetEnabled = t.isAnimationSheetEnabled;
                var o = t.getColorGradients();
                if (o) {
                    e.colorGradients = [];
                    for (var a = 0, s = o; a < s.length; a++) {
                        var l = s[a]
                          , c = {
                            gradient: l.gradient,
                            color1: l.color1.asArray()
                        };
                        l.color2 ? c.color2 = l.color2.asArray() : c.color2 = l.color1.asArray(),
                        e.colorGradients.push(c)
                    }
                }
                var u = t.getRampGradients();
                if (u) {
                    e.rampGradients = [];
                    for (var h = 0, d = u; h < d.length; h++) {
                        var p = d[h];
                        c = {
                            gradient: p.gradient,
                            color: p.color.asArray()
                        },
                        e.rampGradients.push(c)
                    }
                    e.useRampGradients = t.useRampGradients
                }
                var f = t.getColorRemapGradients();
                if (f) {
                    e.colorRemapGradients = [];
                    for (var _ = 0, m = f; _ < m.length; _++) {
                        var g = m[_];
                        c = {
                            gradient: g.gradient,
                            factor1: g.factor1
                        },
                        void 0 !== g.factor2 ? c.factor2 = g.factor2 : c.factor2 = g.factor1,
                        e.colorRemapGradients.push(c)
                    }
                }
                var v = t.getAlphaRemapGradients();
                if (v) {
                    e.alphaRemapGradients = [];
                    for (var y = 0, b = v; y < b.length; y++) {
                        var T = b[y];
                        c = {
                            gradient: T.gradient,
                            factor1: T.factor1
                        },
                        void 0 !== T.factor2 ? c.factor2 = T.factor2 : c.factor2 = T.factor1,
                        e.alphaRemapGradients.push(c)
                    }
                }
                var E = t.getSizeGradients();
                if (E) {
                    e.sizeGradients = [];
                    for (var S = 0, A = E; S < A.length; S++) {
                        var x = A[S];
                        c = {
                            gradient: x.gradient,
                            factor1: x.factor1
                        },
                        void 0 !== x.factor2 ? c.factor2 = x.factor2 : c.factor2 = x.factor1,
                        e.sizeGradients.push(c)
                    }
                }
                var R = t.getAngularSpeedGradients();
                if (R) {
                    e.angularSpeedGradients = [];
                    for (var C = 0, P = R; C < P.length; C++) {
                        var M = P[C];
                        c = {
                            gradient: M.gradient,
                            factor1: M.factor1
                        },
                        void 0 !== M.factor2 ? c.factor2 = M.factor2 : c.factor2 = M.factor1,
                        e.angularSpeedGradients.push(c)
                    }
                }
                var I = t.getVelocityGradients();
                if (I) {
                    e.velocityGradients = [];
                    for (var O = 0, D = I; O < D.length; O++) {
                        var N = D[O];
                        c = {
                            gradient: N.gradient,
                            factor1: N.factor1
                        },
                        void 0 !== N.factor2 ? c.factor2 = N.factor2 : c.factor2 = N.factor1,
                        e.velocityGradients.push(c)
                    }
                }
                var L = t.getDragGradients();
                if (L) {
                    e.dragGradients = [];
                    for (var F = 0, w = L; F < w.length; F++) {
                        var B = w[F];
                        c = {
                            gradient: B.gradient,
                            factor1: B.factor1
                        },
                        void 0 !== B.factor2 ? c.factor2 = B.factor2 : c.factor2 = B.factor1,
                        e.dragGradients.push(c)
                    }
                }
                var U = t.getEmitRateGradients();
                if (U) {
                    e.emitRateGradients = [];
                    for (var V = 0, k = U; V < k.length; V++) {
                        var G = k[V];
                        c = {
                            gradient: G.gradient,
                            factor1: G.factor1
                        },
                        void 0 !== G.factor2 ? c.factor2 = G.factor2 : c.factor2 = G.factor1,
                        e.emitRateGradients.push(c)
                    }
                }
                var z = t.getStartSizeGradients();
                if (z) {
                    e.startSizeGradients = [];
                    for (var W = 0, H = z; W < H.length; W++) {
                        var X = H[W];
                        c = {
                            gradient: X.gradient,
                            factor1: X.factor1
                        },
                        void 0 !== X.factor2 ? c.factor2 = X.factor2 : c.factor2 = X.factor1,
                        e.startSizeGradients.push(c)
                    }
                }
                var j = t.getLifeTimeGradients();
                if (j) {
                    e.lifeTimeGradients = [];
                    for (var Y = 0, K = j; Y < K.length; Y++) {
                        var Q = K[Y];
                        c = {
                            gradient: Q.gradient,
                            factor1: Q.factor1
                        },
                        void 0 !== Q.factor2 ? c.factor2 = Q.factor2 : c.factor2 = Q.factor1,
                        e.lifeTimeGradients.push(c)
                    }
                }
                var q = t.getLimitVelocityGradients();
                if (q) {
                    e.limitVelocityGradients = [];
                    for (var Z = 0, J = q; Z < J.length; Z++) {
                        var $ = J[Z];
                        c = {
                            gradient: $.gradient,
                            factor1: $.factor1
                        },
                        void 0 !== $.factor2 ? c.factor2 = $.factor2 : c.factor2 = $.factor1,
                        e.limitVelocityGradients.push(c)
                    }
                    e.limitVelocityDamping = t.limitVelocityDamping
                }
                t.noiseTexture && (e.noiseTexture = t.noiseTexture.serialize())
            }
            ,
            t._Parse = function(e, t, i, n) {
                var r, o, a, s;
                s = i instanceof Ht ? null : i;
                var l, c = b("BABYLON.Texture");
                if (c && s && (e.texture ? t.particleTexture = c.Parse(e.texture, s, n) : e.textureName && (t.particleTexture = new c(n + e.textureName,s,!1,void 0 === e.invertY || e.invertY),
                t.particleTexture.name = e.textureName)),
                e.emitterId || 0 === e.emitterId || void 0 !== e.emitter ? e.emitterId && s ? t.emitter = s.getLastMeshById(e.emitterId) : t.emitter = x.FromArray(e.emitter) : t.emitter = x.Zero(),
                t.isLocal = !!e.isLocal,
                void 0 !== e.renderingGroupId && (t.renderingGroupId = e.renderingGroupId),
                void 0 !== e.isBillboardBased && (t.isBillboardBased = e.isBillboardBased),
                void 0 !== e.billboardMode && (t.billboardMode = e.billboardMode),
                e.animations) {
                    for (var u = 0; u < e.animations.length; u++) {
                        var h = e.animations[u]
                          , d = b("BABYLON.Animation");
                        d && t.animations.push(d.Parse(h))
                    }
                    t.beginAnimationOnStart = e.beginAnimationOnStart,
                    t.beginAnimationFrom = e.beginAnimationFrom,
                    t.beginAnimationTo = e.beginAnimationTo,
                    t.beginAnimationLoop = e.beginAnimationLoop
                }
                if (e.autoAnimate && s && s.beginAnimation(t, e.autoAnimateFrom, e.autoAnimateTo, e.autoAnimateLoop, e.autoAnimateSpeed || 1),
                t.startDelay = 0 | e.startDelay,
                t.minAngularSpeed = e.minAngularSpeed,
                t.maxAngularSpeed = e.maxAngularSpeed,
                t.minSize = e.minSize,
                t.maxSize = e.maxSize,
                e.minScaleX && (t.minScaleX = e.minScaleX,
                t.maxScaleX = e.maxScaleX,
                t.minScaleY = e.minScaleY,
                t.maxScaleY = e.maxScaleY),
                void 0 !== e.preWarmCycles && (t.preWarmCycles = e.preWarmCycles,
                t.preWarmStepOffset = e.preWarmStepOffset),
                void 0 !== e.minInitialRotation && (t.minInitialRotation = e.minInitialRotation,
                t.maxInitialRotation = e.maxInitialRotation),
                t.minLifeTime = e.minLifeTime,
                t.maxLifeTime = e.maxLifeTime,
                t.minEmitPower = e.minEmitPower,
                t.maxEmitPower = e.maxEmitPower,
                t.emitRate = e.emitRate,
                t.gravity = x.FromArray(e.gravity),
                e.noiseStrength && (t.noiseStrength = x.FromArray(e.noiseStrength)),
                t.color1 = N.FromArray(e.color1),
                t.color2 = N.FromArray(e.color2),
                t.colorDead = N.FromArray(e.colorDead),
                t.updateSpeed = e.updateSpeed,
                t.targetStopDuration = e.targetStopDuration,
                t.blendMode = e.blendMode,
                e.colorGradients)
                    for (var p = 0, f = e.colorGradients; p < f.length; p++) {
                        var _ = f[p];
                        t.addColorGradient(_.gradient, N.FromArray(_.color1), _.color2 ? N.FromArray(_.color2) : void 0)
                    }
                if (e.rampGradients) {
                    for (var m = 0, g = e.rampGradients; m < g.length; m++) {
                        var v = g[m];
                        t.addRampGradient(v.gradient, D.FromArray(v.color))
                    }
                    t.useRampGradients = e.useRampGradients
                }
                if (e.colorRemapGradients)
                    for (var y = 0, T = e.colorRemapGradients; y < T.length; y++) {
                        var E = T[y];
                        t.addColorRemapGradient(E.gradient, void 0 !== E.factor1 ? E.factor1 : E.factor, E.factor2)
                    }
                if (e.alphaRemapGradients)
                    for (var S = 0, A = e.alphaRemapGradients; S < A.length; S++) {
                        var R = A[S];
                        t.addAlphaRemapGradient(R.gradient, void 0 !== R.factor1 ? R.factor1 : R.factor, R.factor2)
                    }
                if (e.sizeGradients)
                    for (var C = 0, P = e.sizeGradients; C < P.length; C++) {
                        var M = P[C];
                        t.addSizeGradient(M.gradient, void 0 !== M.factor1 ? M.factor1 : M.factor, M.factor2)
                    }
                if (e.angularSpeedGradients)
                    for (var I = 0, O = e.angularSpeedGradients; I < O.length; I++) {
                        var L = O[I];
                        t.addAngularSpeedGradient(L.gradient, void 0 !== L.factor1 ? L.factor1 : L.factor, L.factor2)
                    }
                if (e.velocityGradients)
                    for (var F = 0, w = e.velocityGradients; F < w.length; F++) {
                        var B = w[F];
                        t.addVelocityGradient(B.gradient, void 0 !== B.factor1 ? B.factor1 : B.factor, B.factor2)
                    }
                if (e.dragGradients)
                    for (var U = 0, V = e.dragGradients; U < V.length; U++) {
                        var k = V[U];
                        t.addDragGradient(k.gradient, void 0 !== k.factor1 ? k.factor1 : k.factor, k.factor2)
                    }
                if (e.emitRateGradients)
                    for (var G = 0, z = e.emitRateGradients; G < z.length; G++) {
                        var W = z[G];
                        t.addEmitRateGradient(W.gradient, void 0 !== W.factor1 ? W.factor1 : W.factor, W.factor2)
                    }
                if (e.startSizeGradients)
                    for (var H = 0, X = e.startSizeGradients; H < X.length; H++) {
                        var j = X[H];
                        t.addStartSizeGradient(j.gradient, void 0 !== j.factor1 ? j.factor1 : j.factor, j.factor2)
                    }
                if (e.lifeTimeGradients)
                    for (var Y = 0, K = e.lifeTimeGradients; Y < K.length; Y++) {
                        var Q = K[Y];
                        t.addLifeTimeGradient(Q.gradient, void 0 !== Q.factor1 ? Q.factor1 : Q.factor, Q.factor2)
                    }
                if (e.limitVelocityGradients) {
                    for (var q = 0, Z = e.limitVelocityGradients; q < Z.length; q++) {
                        var J = Z[q];
                        t.addLimitVelocityGradient(J.gradient, void 0 !== J.factor1 ? J.factor1 : J.factor, J.factor2)
                    }
                    t.limitVelocityDamping = e.limitVelocityDamping
                }
                if (e.noiseTexture && s) {
                    var $ = b("BABYLON.ProceduralTexture");
                    t.noiseTexture = $.Parse(e.noiseTexture, s, n)
                }
                if (e.particleEmitterType) {
                    switch (e.particleEmitterType.type) {
                    case "SphereParticleEmitter":
                        l = new gf;
                        break;
                    case "SphereDirectedParticleEmitter":
                        l = new vf;
                        break;
                    case "ConeEmitter":
                    case "ConeParticleEmitter":
                        l = new df;
                        break;
                    case "CylinderParticleEmitter":
                        l = new pf;
                        break;
                    case "CylinderDirectedParticleEmitter":
                        l = new ff;
                        break;
                    case "HemisphericParticleEmitter":
                        l = new _f;
                        break;
                    case "PointParticleEmitter":
                        l = new mf;
                        break;
                    case "MeshParticleEmitter":
                        l = new bf;
                        break;
                    default:
                        l = new hf
                    }
                    l.parse(e.particleEmitterType, s)
                } else
                    (l = new hf).parse(e, s);
                t.particleEmitterType = l,
                t.startSpriteCellID = e.startSpriteCellID,
                t.endSpriteCellID = e.endSpriteCellID,
                t.spriteCellLoop = null === (r = e.spriteCellLoop) || void 0 === r || r,
                t.spriteCellWidth = e.spriteCellWidth,
                t.spriteCellHeight = e.spriteCellHeight,
                t.spriteCellChangeSpeed = e.spriteCellChangeSpeed,
                t.spriteRandomStartCell = e.spriteRandomStartCell,
                t.disposeOnStop = null !== (o = e.disposeOnStop) && void 0 !== o && o,
                t.manualEmitCount = null !== (a = e.manualEmitCount) && void 0 !== a ? a : -1
            }
            ,
            t.Parse = function(e, i, n, r, o) {
                void 0 === r && (r = !1);
                var a, s = e.name, l = null, c = null;
                if (a = i instanceof Ht ? i : i.getEngine(),
                e.customShader && a.createEffectForParticles) {
                    var u = (c = e.customShader).shaderOptions.defines.length > 0 ? c.shaderOptions.defines.join("\n") : "";
                    l = a.createEffectForParticles(c.shaderPath.fragmentElement, c.shaderOptions.uniforms, c.shaderOptions.samplers, u)
                }
                var h = new t(s,o || e.capacity,i,l,e.isAnimationSheetEnabled);
                if (h.customShader = c,
                h._rootUrl = n,
                e.id && (h.id = e.id),
                e.subEmitters) {
                    h.subEmitters = [];
                    for (var d = 0, p = e.subEmitters; d < p.length; d++) {
                        for (var f = [], _ = 0, m = p[d]; _ < m.length; _++) {
                            var g = m[_];
                            f.push(py.Parse(g, i, n))
                        }
                        h.subEmitters.push(f)
                    }
                }
                return t._Parse(e, h, i, n),
                e.textureMask && (h.textureMask = N.FromArray(e.textureMask)),
                e.preventAutoStart && (h.preventAutoStart = e.preventAutoStart),
                r || h.preventAutoStart || h.start(),
                h
            }
            ,
            t.BILLBOARDMODE_Y = a.PARTICLES_BILLBOARDMODE_Y,
            t.BILLBOARDMODE_ALL = a.PARTICLES_BILLBOARDMODE_ALL,
            t.BILLBOARDMODE_STRETCHED = a.PARTICLES_BILLBOARDMODE_STRETCHED,
            t
        }(Tf);
        py._ParseParticleSystem = fy.Parse;
        Pt.IncludesShadersStore.clipPlaneFragmentDeclaration2 = "#ifdef CLIPPLANE\nin float fClipDistance;\n#endif\n#ifdef CLIPPLANE2\nin float fClipDistance2;\n#endif\n#ifdef CLIPPLANE3\nin float fClipDistance3;\n#endif\n#ifdef CLIPPLANE4\nin float fClipDistance4;\n#endif\n#ifdef CLIPPLANE5\nin float fClipDistance5;\n#endif\n#ifdef CLIPPLANE6\nin float fClipDistance6;\n#endif\n";
        Pt.ShadersStore.gpuRenderParticlesPixelShader = "precision highp float;\nuniform sampler2D diffuseSampler;\nvarying vec2 vUV;\nvarying vec4 vColor;\n#include<clipPlaneFragmentDeclaration2> \n#include<imageProcessingDeclaration>\n#include<helperFunctions>\n#include<imageProcessingFunctions>\nvoid main() {\n#include<clipPlaneFragment> \nvec4 textureColor=texture2D(diffuseSampler,vUV);\ngl_FragColor=textureColor*vColor;\n#ifdef BLENDMULTIPLYMODE\nfloat alpha=vColor.a*textureColor.a;\ngl_FragColor.rgb=gl_FragColor.rgb*alpha+vec3(1.0)*(1.0-alpha);\n#endif \n#ifdef IMAGEPROCESSINGPOSTPROCESS\ngl_FragColor.rgb=toLinearSpace(gl_FragColor.rgb);\n#else\n#ifdef IMAGEPROCESSING\ngl_FragColor.rgb=toLinearSpace(gl_FragColor.rgb);\ngl_FragColor=applyImageProcessing(gl_FragColor);\n#endif\n#endif\n}\n";
        Pt.IncludesShadersStore.clipPlaneVertexDeclaration2 = "#ifdef CLIPPLANE\nuniform vec4 vClipPlane;\nout float fClipDistance;\n#endif\n#ifdef CLIPPLANE2\nuniform vec4 vClipPlane2;\nout float fClipDistance2;\n#endif\n#ifdef CLIPPLANE3\nuniform vec4 vClipPlane3;\nout float fClipDistance3;\n#endif\n#ifdef CLIPPLANE4\nuniform vec4 vClipPlane4;\nout float fClipDistance4;\n#endif\n#ifdef CLIPPLANE5\nuniform vec4 vClipPlane5;\nout float fClipDistance5;\n#endif\n#ifdef CLIPPLANE6\nuniform vec4 vClipPlane6;\nout float fClipDistance6;\n#endif\n";
        Pt.ShadersStore.gpuRenderParticlesVertexShader = "precision highp float;\nuniform mat4 view;\nuniform mat4 projection;\nuniform vec2 translationPivot;\nuniform vec3 worldOffset;\n#ifdef LOCAL\nuniform mat4 emitterWM;\n#endif\nattribute vec3 position;\nattribute float age;\nattribute float life;\nattribute vec3 size;\n#ifndef BILLBOARD\nattribute vec3 initialDirection;\n#endif\n#ifdef BILLBOARDSTRETCHED\nattribute vec3 direction;\n#endif\nattribute float angle;\n#ifdef ANIMATESHEET\nattribute float cellIndex;\n#endif\nattribute vec2 offset;\nattribute vec2 uv;\nvarying vec2 vUV;\nvarying vec4 vColor;\nvarying vec3 vPositionW;\n#if defined(BILLBOARD) && !defined(BILLBOARDY) && !defined(BILLBOARDSTRETCHED)\nuniform mat4 invView;\n#endif\n#include<clipPlaneVertexDeclaration2>\n#ifdef COLORGRADIENTS\nuniform sampler2D colorGradientSampler;\n#else\nuniform vec4 colorDead;\nattribute vec4 color;\n#endif\n#ifdef ANIMATESHEET\nuniform vec3 sheetInfos;\n#endif\n#ifdef BILLBOARD\nuniform vec3 eyePosition;\n#endif\nvec3 rotate(vec3 yaxis,vec3 rotatedCorner) {\nvec3 xaxis=normalize(cross(vec3(0.,1.0,0.),yaxis));\nvec3 zaxis=normalize(cross(yaxis,xaxis));\nvec3 row0=vec3(xaxis.x,xaxis.y,xaxis.z);\nvec3 row1=vec3(yaxis.x,yaxis.y,yaxis.z);\nvec3 row2=vec3(zaxis.x,zaxis.y,zaxis.z);\nmat3 rotMatrix= mat3(row0,row1,row2);\nvec3 alignedCorner=rotMatrix*rotatedCorner;\n#ifdef LOCAL\nreturn ((emitterWM*vec4(position,1.0)).xyz+worldOffset)+alignedCorner;\n#else\nreturn (position+worldOffset)+alignedCorner;\n#endif\n}\n#ifdef BILLBOARDSTRETCHED\nvec3 rotateAlign(vec3 toCamera,vec3 rotatedCorner) {\nvec3 normalizedToCamera=normalize(toCamera);\nvec3 normalizedCrossDirToCamera=normalize(cross(normalize(direction),normalizedToCamera));\nvec3 crossProduct=normalize(cross(normalizedToCamera,normalizedCrossDirToCamera));\nvec3 row0=vec3(normalizedCrossDirToCamera.x,normalizedCrossDirToCamera.y,normalizedCrossDirToCamera.z);\nvec3 row1=vec3(crossProduct.x,crossProduct.y,crossProduct.z);\nvec3 row2=vec3(normalizedToCamera.x,normalizedToCamera.y,normalizedToCamera.z);\nmat3 rotMatrix= mat3(row0,row1,row2);\nvec3 alignedCorner=rotMatrix*rotatedCorner;\n#ifdef LOCAL\nreturn ((emitterWM*vec4(position,1.0)).xyz+worldOffset)+alignedCorner;\n#else\nreturn (position+worldOffset)+alignedCorner;\n#endif\n}\n#endif\nvoid main() {\n#ifdef ANIMATESHEET\nfloat rowOffset=floor(cellIndex/sheetInfos.z);\nfloat columnOffset=cellIndex-rowOffset*sheetInfos.z;\nvec2 uvScale=sheetInfos.xy;\nvec2 uvOffset=vec2(uv.x ,1.0-uv.y);\nvUV=(uvOffset+vec2(columnOffset,rowOffset))*uvScale;\n#else\nvUV=uv;\n#endif\nfloat ratio=age/life;\n#ifdef COLORGRADIENTS\nvColor=texture2D(colorGradientSampler,vec2(ratio,0));\n#else\nvColor=color*vec4(1.0-ratio)+colorDead*vec4(ratio);\n#endif\nvec2 cornerPos=(offset-translationPivot)*size.yz*size.x+translationPivot;\n#ifdef BILLBOARD\nvec4 rotatedCorner;\nrotatedCorner.w=0.;\n#ifdef BILLBOARDY\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.z=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.y=0.;\nvec3 yaxis=(position+worldOffset)-eyePosition;\nyaxis.y=0.;\nvPositionW=rotate(normalize(yaxis),rotatedCorner.xyz);\nvec4 viewPosition=(view*vec4(vPositionW,1.0));\n#elif defined(BILLBOARDSTRETCHED)\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.z=0.;\nvec3 toCamera=(position+worldOffset)-eyePosition;\nvPositionW=rotateAlign(toCamera,rotatedCorner.xyz);\nvec4 viewPosition=(view*vec4(vPositionW,1.0));\n#else\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.z=0.;\n#ifdef LOCAL\nvec4 viewPosition=view*vec4(((emitterWM*vec4(position,1.0)).xyz+worldOffset),1.0)+rotatedCorner;\n#else\nvec4 viewPosition=view*vec4((position+worldOffset),1.0)+rotatedCorner;\n#endif\nvPositionW=(invView*viewPosition).xyz;\n#endif\n#else\nvec3 rotatedCorner;\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=0.;\nrotatedCorner.z=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nvec3 yaxis=normalize(initialDirection);\nvPositionW=rotate(yaxis,rotatedCorner);\nvec4 viewPosition=view*vec4(vPositionW,1.0);\n#endif\ngl_Position=projection*viewPosition;\n#if defined(CLIPPLANE) || defined(CLIPPLANE2) || defined(CLIPPLANE3) || defined(CLIPPLANE4) || defined(CLIPPLANE5) || defined(CLIPPLANE6)\nvec4 worldPos=vec4(vPositionW,1.0);\n#endif\n#include<clipPlaneVertex>\n}";
        var _y = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = null),
                void 0 === o && (o = !1);
                var s = e.call(this, t) || this;
                if (s.layerMask = 268435455,
                s._accumulatedCount = 0,
                s._targetIndex = 0,
                s._currentRenderId = -1,
                s._currentRenderingCameraUniqueId = -1,
                s._started = !1,
                s._stopped = !1,
                s._timeDelta = 0,
                s._actualFrame = 0,
                s._rawTextureWidth = 256,
                s.onDisposeObservable = new h,
                s.onStoppedObservable = new h,
                s.forceDepthWrite = !1,
                s._preWarmDone = !1,
                s.isLocal = !1,
                s._onBeforeDrawParticlesObservable = null,
                n && "Scene" !== n.getClassName() ? (s._engine = n,
                s.defaultProjectionMatrix = P.PerspectiveFovLH(.8, 1, .1, 100, s._engine.isNDCHalfZRange)) : (s._scene = n || E.LastCreatedScene,
                s._engine = s._scene.getEngine(),
                s.uniqueId = s._scene.getUniqueId(),
                s._scene.particleSystems.push(s)),
                s._engine.getCaps().supportComputeShaders) {
                    if (!b("BABYLON.ComputeShaderParticleSystem"))
                        throw new Error("The ComputeShaderParticleSystem class is not available! Make sure you have imported it.");
                    s._platform = new (b("BABYLON.ComputeShaderParticleSystem"))(s,s._engine)
                } else {
                    if (!b("BABYLON.WebGL2ParticleSystem"))
                        throw new Error("The WebGL2ParticleSystem class is not available! Make sure you have imported it.");
                    s._platform = new (b("BABYLON.WebGL2ParticleSystem"))(s,s._engine)
                }
                s._customWrappers = {
                    0: new Gt(s._engine)
                },
                s._customWrappers[0].effect = r,
                s._drawWrappers = {
                    0: new Gt(s._engine)
                },
                s._drawWrappers[0].drawContext && (s._drawWrappers[0].drawContext.useInstancing = !0),
                s._attachImageProcessingConfiguration(null),
                (i = null != i ? i : {}).randomTextureSize || delete i.randomTextureSize;
                var l = V({
                    capacity: 5e4,
                    randomTextureSize: s._engine.getCaps().maxTextureSize
                }, i)
                  , c = i;
                isFinite(c) && (l.capacity = c),
                s._capacity = l.capacity,
                s._activeCount = l.capacity,
                s._currentActiveCount = 0,
                s._isAnimationSheetEnabled = o,
                s.particleEmitterType = new hf;
                for (var u = Math.min(s._engine.getCaps().maxTextureSize, l.randomTextureSize), d = [], p = 0; p < u; ++p)
                    d.push(Math.random()),
                    d.push(Math.random()),
                    d.push(Math.random()),
                    d.push(Math.random());
                for (s._randomTexture = new ao(new Float32Array(d),u,1,a.TEXTUREFORMAT_RGBA,n,!1,!1,a.TEXTURE_NEAREST_SAMPLINGMODE,a.TEXTURETYPE_FLOAT),
                s._randomTexture.name = "GPUParticleSystem_random1",
                s._randomTexture.wrapU = a.TEXTURE_WRAP_ADDRESSMODE,
                s._randomTexture.wrapV = a.TEXTURE_WRAP_ADDRESSMODE,
                d = [],
                p = 0; p < u; ++p)
                    d.push(Math.random()),
                    d.push(Math.random()),
                    d.push(Math.random()),
                    d.push(Math.random());
                return s._randomTexture2 = new ao(new Float32Array(d),u,1,a.TEXTUREFORMAT_RGBA,n,!1,!1,a.TEXTURE_NEAREST_SAMPLINGMODE,a.TEXTURETYPE_FLOAT),
                s._randomTexture2.name = "GPUParticleSystem_random2",
                s._randomTexture2.wrapU = a.TEXTURE_WRAP_ADDRESSMODE,
                s._randomTexture2.wrapV = a.TEXTURE_WRAP_ADDRESSMODE,
                s._randomTextureSize = u,
                s
            }
            return U(t, e),
            Object.defineProperty(t, "IsSupported", {
                get: function() {
                    if (!E.LastCreatedEngine)
                        return !1;
                    var e = E.LastCreatedEngine.getCaps();
                    return e.supportTransformFeedbacks || e.supportComputeShaders
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getCapacity = function() {
                return this._capacity
            }
            ,
            Object.defineProperty(t.prototype, "activeParticleCount", {
                get: function() {
                    return this._activeCount
                },
                set: function(e) {
                    this._activeCount = Math.min(e, this._capacity)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.isReady = function() {
                if (!this.emitter || this._imageProcessingConfiguration && !this._imageProcessingConfiguration.isReady() || !this.particleTexture || !this.particleTexture.isReady())
                    return !1;
                if (this.blendMode !== fy.BLENDMODE_MULTIPLYADD) {
                    if (!this._getWrapper(this.blendMode).effect.isReady())
                        return !1
                } else {
                    if (!this._getWrapper(fy.BLENDMODE_MULTIPLY).effect.isReady())
                        return !1;
                    if (!this._getWrapper(fy.BLENDMODE_ADD).effect.isReady())
                        return !1
                }
                return this._platform.isUpdateBufferCreated() ? this._platform.isUpdateBufferReady() : (this._recreateUpdateEffect(),
                !1)
            }
            ,
            t.prototype.isStarted = function() {
                return this._started
            }
            ,
            t.prototype.isStopped = function() {
                return this._stopped
            }
            ,
            t.prototype.isStopping = function() {
                return !1
            }
            ,
            t.prototype.getActiveCount = function() {
                return this._currentActiveCount
            }
            ,
            t.prototype.start = function(e) {
                var t = this;
                if (void 0 === e && (e = this.startDelay),
                !this.targetStopDuration && this._hasTargetStopDurationDependantGradient())
                    throw "Particle system started with a targetStopDuration dependant gradient (eg. startSizeGradients) but no targetStopDuration set";
                e ? setTimeout((function() {
                    t.start(0)
                }
                ), e) : (this._started = !0,
                this._stopped = !1,
                this._preWarmDone = !1,
                this.beginAnimationOnStart && this.animations && this.animations.length > 0 && this._scene && this._scene.beginAnimation(this, this.beginAnimationFrom, this.beginAnimationTo, this.beginAnimationLoop))
            }
            ,
            t.prototype.stop = function() {
                this._stopped || (this._stopped = !0)
            }
            ,
            t.prototype.reset = function() {
                this._releaseBuffers(),
                this._platform.releaseVertexBuffers(),
                this._currentActiveCount = 0,
                this._targetIndex = 0
            }
            ,
            t.prototype.getClassName = function() {
                return "GPUParticleSystem"
            }
            ,
            t.prototype.getCustomEffect = function(e) {
                var t, i;
                return void 0 === e && (e = 0),
                null !== (i = null === (t = this._customWrappers[e]) || void 0 === t ? void 0 : t.effect) && void 0 !== i ? i : this._customWrappers[0].effect
            }
            ,
            t.prototype._getCustomDrawWrapper = function(e) {
                var t;
                return void 0 === e && (e = 0),
                null !== (t = this._customWrappers[e]) && void 0 !== t ? t : this._customWrappers[0]
            }
            ,
            t.prototype.setCustomEffect = function(e, t) {
                void 0 === t && (t = 0),
                this._customWrappers[t] = new Gt(this._engine),
                this._customWrappers[t].effect = e
            }
            ,
            Object.defineProperty(t.prototype, "onBeforeDrawParticlesObservable", {
                get: function() {
                    return this._onBeforeDrawParticlesObservable || (this._onBeforeDrawParticlesObservable = new h),
                    this._onBeforeDrawParticlesObservable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "vertexShaderName", {
                get: function() {
                    return "gpuRenderParticles"
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._removeGradientAndTexture = function(t, i, n) {
                return e.prototype._removeGradientAndTexture.call(this, t, i, n),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.addColorGradient = function(e, t) {
                this._colorGradients || (this._colorGradients = []);
                var i = new ly(e,t);
                return this._colorGradients.push(i),
                this._refreshColorGradient(!0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype._refreshColorGradient = function(e) {
                void 0 === e && (e = !1),
                this._colorGradients && (e && this._colorGradients.sort((function(e, t) {
                    return e.gradient < t.gradient ? -1 : e.gradient > t.gradient ? 1 : 0
                }
                )),
                this._colorGradientsTexture && (this._colorGradientsTexture.dispose(),
                this._colorGradientsTexture = null))
            }
            ,
            t.prototype.forceRefreshGradients = function() {
                this._refreshColorGradient(),
                this._refreshFactorGradient(this._sizeGradients, "_sizeGradientsTexture"),
                this._refreshFactorGradient(this._angularSpeedGradients, "_angularSpeedGradientsTexture"),
                this._refreshFactorGradient(this._velocityGradients, "_velocityGradientsTexture"),
                this._refreshFactorGradient(this._limitVelocityGradients, "_limitVelocityGradientsTexture"),
                this._refreshFactorGradient(this._dragGradients, "_dragGradientsTexture"),
                this.reset()
            }
            ,
            t.prototype.removeColorGradient = function(e) {
                return this._removeGradientAndTexture(e, this._colorGradients, this._colorGradientsTexture),
                this._colorGradientsTexture = null,
                this
            }
            ,
            t.prototype.resetDrawCache = function() {
                var e;
                for (var t in this._drawWrappers)
                    null === (e = this._drawWrappers[t].drawContext) || void 0 === e || e.reset()
            }
            ,
            t.prototype._addFactorGradient = function(e, t, i) {
                var n = new uy(t,i);
                e.push(n),
                this._releaseBuffers()
            }
            ,
            t.prototype.addSizeGradient = function(e, t) {
                return this._sizeGradients || (this._sizeGradients = []),
                this._addFactorGradient(this._sizeGradients, e, t),
                this._refreshFactorGradient(this._sizeGradients, "_sizeGradientsTexture", !0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.removeSizeGradient = function(e) {
                return this._removeGradientAndTexture(e, this._sizeGradients, this._sizeGradientsTexture),
                this._sizeGradientsTexture = null,
                this
            }
            ,
            t.prototype._refreshFactorGradient = function(e, t, i) {
                if (void 0 === i && (i = !1),
                e) {
                    i && e.sort((function(e, t) {
                        return e.gradient < t.gradient ? -1 : e.gradient > t.gradient ? 1 : 0
                    }
                    ));
                    var n = this;
                    n[t] && (n[t].dispose(),
                    n[t] = null)
                }
            }
            ,
            t.prototype.addAngularSpeedGradient = function(e, t) {
                return this._angularSpeedGradients || (this._angularSpeedGradients = []),
                this._addFactorGradient(this._angularSpeedGradients, e, t),
                this._refreshFactorGradient(this._angularSpeedGradients, "_angularSpeedGradientsTexture", !0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.removeAngularSpeedGradient = function(e) {
                return this._removeGradientAndTexture(e, this._angularSpeedGradients, this._angularSpeedGradientsTexture),
                this._angularSpeedGradientsTexture = null,
                this
            }
            ,
            t.prototype.addVelocityGradient = function(e, t) {
                return this._velocityGradients || (this._velocityGradients = []),
                this._addFactorGradient(this._velocityGradients, e, t),
                this._refreshFactorGradient(this._velocityGradients, "_velocityGradientsTexture", !0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.removeVelocityGradient = function(e) {
                return this._removeGradientAndTexture(e, this._velocityGradients, this._velocityGradientsTexture),
                this._velocityGradientsTexture = null,
                this
            }
            ,
            t.prototype.addLimitVelocityGradient = function(e, t) {
                return this._limitVelocityGradients || (this._limitVelocityGradients = []),
                this._addFactorGradient(this._limitVelocityGradients, e, t),
                this._refreshFactorGradient(this._limitVelocityGradients, "_limitVelocityGradientsTexture", !0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.removeLimitVelocityGradient = function(e) {
                return this._removeGradientAndTexture(e, this._limitVelocityGradients, this._limitVelocityGradientsTexture),
                this._limitVelocityGradientsTexture = null,
                this
            }
            ,
            t.prototype.addDragGradient = function(e, t) {
                return this._dragGradients || (this._dragGradients = []),
                this._addFactorGradient(this._dragGradients, e, t),
                this._refreshFactorGradient(this._dragGradients, "_dragGradientsTexture", !0),
                this._releaseBuffers(),
                this
            }
            ,
            t.prototype.removeDragGradient = function(e) {
                return this._removeGradientAndTexture(e, this._dragGradients, this._dragGradientsTexture),
                this._dragGradientsTexture = null,
                this
            }
            ,
            t.prototype.addEmitRateGradient = function() {
                return this
            }
            ,
            t.prototype.removeEmitRateGradient = function() {
                return this
            }
            ,
            t.prototype.addStartSizeGradient = function() {
                return this
            }
            ,
            t.prototype.removeStartSizeGradient = function() {
                return this
            }
            ,
            t.prototype.addColorRemapGradient = function() {
                return this
            }
            ,
            t.prototype.removeColorRemapGradient = function() {
                return this
            }
            ,
            t.prototype.addAlphaRemapGradient = function() {
                return this
            }
            ,
            t.prototype.removeAlphaRemapGradient = function() {
                return this
            }
            ,
            t.prototype.addRampGradient = function() {
                return this
            }
            ,
            t.prototype.removeRampGradient = function() {
                return this
            }
            ,
            t.prototype.getRampGradients = function() {
                return null
            }
            ,
            Object.defineProperty(t.prototype, "useRampGradients", {
                get: function() {
                    return !1
                },
                set: function(e) {},
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.addLifeTimeGradient = function() {
                return this
            }
            ,
            t.prototype.removeLifeTimeGradient = function() {
                return this
            }
            ,
            t.prototype._reset = function() {
                this._releaseBuffers()
            }
            ,
            t.prototype._createVertexBuffers = function(e, t, i) {
                var n = {};
                n.position = t.createVertexBuffer("position", 0, 3, this._attributesStrideSize, !0);
                var r = 3;
                n.age = t.createVertexBuffer("age", r, 1, this._attributesStrideSize, !0),
                r += 1,
                n.size = t.createVertexBuffer("size", r, 3, this._attributesStrideSize, !0),
                r += 3,
                n.life = t.createVertexBuffer("life", r, 1, this._attributesStrideSize, !0),
                r += 1,
                r += 4,
                this.billboardMode === fy.BILLBOARDMODE_STRETCHED && (n.direction = t.createVertexBuffer("direction", r, 3, this._attributesStrideSize, !0)),
                r += 3,
                this._platform.alignDataInBuffer && (r += 1),
                this.particleEmitterType instanceof yf && (r += 3,
                this._platform.alignDataInBuffer && (r += 1)),
                this._colorGradientsTexture || (n.color = t.createVertexBuffer("color", r, 4, this._attributesStrideSize, !0),
                r += 4),
                this._isBillboardBased || (n.initialDirection = t.createVertexBuffer("initialDirection", r, 3, this._attributesStrideSize, !0),
                r += 3,
                this._platform.alignDataInBuffer && (r += 1)),
                this.noiseTexture && (n.noiseCoordinates1 = t.createVertexBuffer("noiseCoordinates1", r, 3, this._attributesStrideSize, !0),
                r += 3,
                this._platform.alignDataInBuffer && (r += 1),
                n.noiseCoordinates2 = t.createVertexBuffer("noiseCoordinates2", r, 3, this._attributesStrideSize, !0),
                r += 3,
                this._platform.alignDataInBuffer && (r += 1)),
                n.angle = t.createVertexBuffer("angle", r, 1, this._attributesStrideSize, !0),
                this._angularSpeedGradientsTexture ? r++ : r += 2,
                this._isAnimationSheetEnabled && (n.cellIndex = t.createVertexBuffer("cellIndex", r, 1, this._attributesStrideSize, !0),
                r += 1,
                this.spriteRandomStartCell && (n.cellStartOffset = t.createVertexBuffer("cellStartOffset", r, 1, this._attributesStrideSize, !0),
                r += 1)),
                n.offset = i.createVertexBuffer("offset", 0, 2),
                n.uv = i.createVertexBuffer("uv", 2, 2),
                this._platform.createVertexBuffers(e, n),
                this.resetDrawCache()
            }
            ,
            t.prototype._initialize = function(e) {
                if (void 0 === e && (e = !1),
                !this._buffer0 || e) {
                    var t = this._engine
                      , i = new Array;
                    this._attributesStrideSize = 21,
                    this._targetIndex = 0,
                    this._platform.alignDataInBuffer && (this._attributesStrideSize += 1),
                    this.particleEmitterType instanceof yf && (this._attributesStrideSize += 3,
                    this._platform.alignDataInBuffer && (this._attributesStrideSize += 1)),
                    this.isBillboardBased || (this._attributesStrideSize += 3,
                    this._platform.alignDataInBuffer && (this._attributesStrideSize += 1)),
                    this._colorGradientsTexture && (this._attributesStrideSize -= 4),
                    this._angularSpeedGradientsTexture && (this._attributesStrideSize -= 1),
                    this._isAnimationSheetEnabled && (this._attributesStrideSize += 1,
                    this.spriteRandomStartCell && (this._attributesStrideSize += 1)),
                    this.noiseTexture && (this._attributesStrideSize += 6,
                    this._platform.alignDataInBuffer && (this._attributesStrideSize += 2)),
                    this._platform.alignDataInBuffer && (this._attributesStrideSize += 3 - (this._attributesStrideSize + 3 & 3));
                    for (var n = this.particleEmitterType instanceof yf, r = I.Vector3[0], o = 0, a = 0; a < this._capacity; a++)
                        if (i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        n ? (this.particleEmitterType.particleDestinationGenerator(a, null, r),
                        i.push(r.x),
                        i.push(r.y),
                        i.push(r.z)) : (i.push(0),
                        i.push(0),
                        i.push(0)),
                        this._platform.alignDataInBuffer && i.push(0),
                        o += 16,
                        n && (this.particleEmitterType.particlePositionGenerator(a, null, r),
                        i.push(r.x),
                        i.push(r.y),
                        i.push(r.z),
                        this._platform.alignDataInBuffer && i.push(0),
                        o += 4),
                        this._colorGradientsTexture || (i.push(0),
                        i.push(0),
                        i.push(0),
                        i.push(0),
                        o += 4),
                        this.isBillboardBased || (i.push(0),
                        i.push(0),
                        i.push(0),
                        this._platform.alignDataInBuffer && i.push(0),
                        o += 4),
                        this.noiseTexture && (i.push(Math.random()),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        this._platform.alignDataInBuffer && i.push(0),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        i.push(Math.random()),
                        this._platform.alignDataInBuffer && i.push(0),
                        o += 8),
                        i.push(0),
                        o += 1,
                        this._angularSpeedGradientsTexture || (i.push(0),
                        o += 1),
                        this._isAnimationSheetEnabled && (i.push(0),
                        o += 1,
                        this.spriteRandomStartCell && (i.push(0),
                        o += 1)),
                        this._platform.alignDataInBuffer) {
                            var s = 3 - (o + 3 & 3);
                            for (o += s; s-- > 0; )
                                i.push(0)
                        }
                    var l = new Float32Array([.5, .5, 1, 1, -.5, .5, 0, 1, .5, -.5, 1, 0, -.5, -.5, 0, 0])
                      , c = this._platform.createParticleBuffer(i)
                      , u = this._platform.createParticleBuffer(i);
                    this._buffer0 = new wi(t,c,!1,this._attributesStrideSize),
                    this._buffer1 = new wi(t,u,!1,this._attributesStrideSize),
                    this._spriteBuffer = new wi(t,l,!1,4),
                    this._createVertexBuffers(this._buffer0, this._buffer1, this._spriteBuffer),
                    this._createVertexBuffers(this._buffer1, this._buffer0, this._spriteBuffer),
                    this._sourceBuffer = this._buffer0,
                    this._targetBuffer = this._buffer1
                }
            }
            ,
            t.prototype._recreateUpdateEffect = function() {
                var e = this.particleEmitterType ? this.particleEmitterType.getEffectDefines() : "";
                this._isBillboardBased && (e += "\n#define BILLBOARD"),
                this._colorGradientsTexture && (e += "\n#define COLORGRADIENTS"),
                this._sizeGradientsTexture && (e += "\n#define SIZEGRADIENTS"),
                this._angularSpeedGradientsTexture && (e += "\n#define ANGULARSPEEDGRADIENTS"),
                this._velocityGradientsTexture && (e += "\n#define VELOCITYGRADIENTS"),
                this._limitVelocityGradientsTexture && (e += "\n#define LIMITVELOCITYGRADIENTS"),
                this._dragGradientsTexture && (e += "\n#define DRAGGRADIENTS"),
                this.isAnimationSheetEnabled && (e += "\n#define ANIMATESHEET",
                this.spriteRandomStartCell && (e += "\n#define ANIMATESHEETRANDOMSTART")),
                this.noiseTexture && (e += "\n#define NOISE"),
                this.isLocal && (e += "\n#define LOCAL"),
                this._platform.isUpdateBufferCreated() && this._cachedUpdateDefines === e || (this._cachedUpdateDefines = e,
                this._updateBuffer = this._platform.createUpdateBuffer(e))
            }
            ,
            t.prototype._getWrapper = function(e) {
                var t = this._getCustomDrawWrapper(e);
                if (null == t ? void 0 : t.effect)
                    return t;
                var i = [];
                this.fillDefines(i, e);
                var n = this._drawWrappers[e];
                n || ((n = new Gt(this._engine)).drawContext && (n.drawContext.useInstancing = !0),
                this._drawWrappers[e] = n);
                var r = i.join("\n");
                if (n.defines !== r) {
                    var o = []
                      , a = []
                      , s = [];
                    this.fillUniformsAttributesAndSamplerNames(a, o, s),
                    n.setEffect(this._engine.createEffect("gpuRenderParticles", o, a, s, r), r)
                }
                return n
            }
            ,
            t._GetAttributeNamesOrOptions = function(e, t, i, n) {
                void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                void 0 === i && (i = !1),
                void 0 === n && (n = !1);
                var r = [Bi.PositionKind, "age", "life", "size", "angle"];
                return e || r.push(Bi.ColorKind),
                t && r.push("cellIndex"),
                i || r.push("initialDirection"),
                n || r.push("direction"),
                r.push("offset", Bi.UVKind),
                r
            }
            ,
            t._GetEffectCreationOptions = function(e) {
                void 0 === e && (e = !1);
                var t = ["emitterWM", "worldOffset", "view", "projection", "colorDead", "invView", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6", "translationPivot", "eyePosition"];
                return e && t.push("sheetInfos"),
                t
            }
            ,
            t.prototype.fillDefines = function(e, t) {
                if (void 0 === t && (t = 0),
                this._scene && (this._scene.clipPlane && e.push("#define CLIPPLANE"),
                this._scene.clipPlane2 && e.push("#define CLIPPLANE2"),
                this._scene.clipPlane3 && e.push("#define CLIPPLANE3"),
                this._scene.clipPlane4 && e.push("#define CLIPPLANE4"),
                this._scene.clipPlane5 && e.push("#define CLIPPLANE5"),
                this._scene.clipPlane6 && e.push("#define CLIPPLANE6")),
                t === fy.BLENDMODE_MULTIPLY && e.push("#define BLENDMULTIPLYMODE"),
                this.isLocal && e.push("#define LOCAL"),
                this._isBillboardBased)
                    switch (e.push("#define BILLBOARD"),
                    this.billboardMode) {
                    case fy.BILLBOARDMODE_Y:
                        e.push("#define BILLBOARDY");
                        break;
                    case fy.BILLBOARDMODE_STRETCHED:
                        e.push("#define BILLBOARDSTRETCHED");
                        break;
                    case fy.BILLBOARDMODE_ALL:
                        e.push("#define BILLBOARDMODE_ALL")
                    }
                this._colorGradientsTexture && e.push("#define COLORGRADIENTS"),
                this.isAnimationSheetEnabled && e.push("#define ANIMATESHEET"),
                this._imageProcessingConfiguration && (this._imageProcessingConfiguration.prepareDefines(this._imageProcessingConfigurationDefines),
                e.push("" + this._imageProcessingConfigurationDefines.toString()))
            }
            ,
            t.prototype.fillUniformsAttributesAndSamplerNames = function(e, i, n) {
                i.push.apply(i, t._GetAttributeNamesOrOptions(!!this._colorGradientsTexture, this._isAnimationSheetEnabled, this._isBillboardBased, this._isBillboardBased && this.billboardMode === fy.BILLBOARDMODE_STRETCHED)),
                e.push.apply(e, t._GetEffectCreationOptions(this._isAnimationSheetEnabled)),
                n.push("diffuseSampler", "colorGradientSampler"),
                this._imageProcessingConfiguration && (Ri.PrepareUniforms(e, this._imageProcessingConfigurationDefines),
                Ri.PrepareSamplers(n, this._imageProcessingConfigurationDefines))
            }
            ,
            t.prototype.animate = function(e) {
                var t;
                void 0 === e && (e = !1),
                this._timeDelta = this.updateSpeed * (e ? this.preWarmStepOffset : (null === (t = this._scene) || void 0 === t ? void 0 : t.getAnimationRatio()) || 1),
                this._actualFrame += this._timeDelta,
                this._stopped || this.targetStopDuration && this._actualFrame >= this.targetStopDuration && this.stop()
            }
            ,
            t.prototype._createFactorGradientTexture = function(e, t) {
                var i = this[t];
                if (e && e.length && !i) {
                    for (var n = new Float32Array(this._rawTextureWidth), r = function(t) {
                        var i = t / o._rawTextureWidth;
                        hy.GetCurrentGradient(i, e, (function(e, i, r) {
                            n[t] = d.Lerp(e.factor1, i.factor1, r)
                        }
                        ))
                    }, o = this, s = 0; s < this._rawTextureWidth; s++)
                        r(s);
                    this[t] = ao.CreateRTexture(n, this._rawTextureWidth, 1, this._scene || this._engine, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)
                }
            }
            ,
            t.prototype._createSizeGradientTexture = function() {
                this._createFactorGradientTexture(this._sizeGradients, "_sizeGradientsTexture")
            }
            ,
            t.prototype._createAngularSpeedGradientTexture = function() {
                this._createFactorGradientTexture(this._angularSpeedGradients, "_angularSpeedGradientsTexture")
            }
            ,
            t.prototype._createVelocityGradientTexture = function() {
                this._createFactorGradientTexture(this._velocityGradients, "_velocityGradientsTexture")
            }
            ,
            t.prototype._createLimitVelocityGradientTexture = function() {
                this._createFactorGradientTexture(this._limitVelocityGradients, "_limitVelocityGradientsTexture")
            }
            ,
            t.prototype._createDragGradientTexture = function() {
                this._createFactorGradientTexture(this._dragGradients, "_dragGradientsTexture")
            }
            ,
            t.prototype._createColorGradientTexture = function() {
                if (this._colorGradients && this._colorGradients.length && !this._colorGradientsTexture) {
                    for (var e = new Uint8Array(4 * this._rawTextureWidth), t = L.Color4[0], i = function(i) {
                        var r = i / n._rawTextureWidth;
                        hy.GetCurrentGradient(r, n._colorGradients, (function(n, r, o) {
                            N.LerpToRef(n.color1, r.color1, o, t),
                            e[4 * i] = 255 * t.r,
                            e[4 * i + 1] = 255 * t.g,
                            e[4 * i + 2] = 255 * t.b,
                            e[4 * i + 3] = 255 * t.a
                        }
                        ))
                    }, n = this, r = 0; r < this._rawTextureWidth; r++)
                        i(r);
                    this._colorGradientsTexture = ao.CreateRGBATexture(e, this._rawTextureWidth, 1, this._scene, !1, !1, a.TEXTURE_NEAREST_SAMPLINGMODE)
                }
            }
            ,
            t.prototype._render = function(e, t) {
                var i, n, r = this._getWrapper(e), o = r.effect;
                this._engine.enableEffect(r);
                var s = (null === (i = this._scene) || void 0 === i ? void 0 : i.getViewMatrix()) || P.IdentityReadOnly;
                if (o.setMatrix("view", s),
                o.setMatrix("projection", null !== (n = this.defaultProjectionMatrix) && void 0 !== n ? n : this._scene.getProjectionMatrix()),
                o.setTexture("diffuseSampler", this.particleTexture),
                o.setVector2("translationPivot", this.translationPivot),
                o.setVector3("worldOffset", this.worldOffset),
                this.isLocal && o.setMatrix("emitterWM", t),
                this._colorGradientsTexture ? o.setTexture("colorGradientSampler", this._colorGradientsTexture) : o.setDirectColor4("colorDead", this.colorDead),
                this._isAnimationSheetEnabled && this.particleTexture) {
                    var l = this.particleTexture.getBaseSize();
                    o.setFloat3("sheetInfos", this.spriteCellWidth / l.width, this.spriteCellHeight / l.height, l.width / this.spriteCellWidth)
                }
                if (this._isBillboardBased && this._scene) {
                    var c = this._scene.activeCamera;
                    o.setVector3("eyePosition", c.globalPosition)
                }
                var u = o.defines;
                if (this._scene && (this._scene.clipPlane || this._scene.clipPlane2 || this._scene.clipPlane3 || this._scene.clipPlane4 || this._scene.clipPlane5 || this._scene.clipPlane6) && Mr.BindClipPlane(o, this._scene),
                u.indexOf("#define BILLBOARDMODE_ALL") >= 0) {
                    var h = s.clone();
                    h.invert(),
                    o.setMatrix("invView", h)
                }
                switch (this._imageProcessingConfiguration && !this._imageProcessingConfiguration.applyByPostProcess && this._imageProcessingConfiguration.bind(o),
                e) {
                case fy.BLENDMODE_ADD:
                    this._engine.setAlphaMode(a.ALPHA_ADD);
                    break;
                case fy.BLENDMODE_ONEONE:
                    this._engine.setAlphaMode(a.ALPHA_ONEONE);
                    break;
                case fy.BLENDMODE_STANDARD:
                    this._engine.setAlphaMode(a.ALPHA_COMBINE);
                    break;
                case fy.BLENDMODE_MULTIPLY:
                    this._engine.setAlphaMode(a.ALPHA_MULTIPLY)
                }
                return this._platform.bindDrawBuffers(this._targetIndex, o),
                this._onBeforeDrawParticlesObservable && this._onBeforeDrawParticlesObservable.notifyObservers(o),
                this._engine.drawArraysType(a.MATERIAL_TriangleStripDrawMode, 0, 4, this._currentActiveCount),
                this._engine.setAlphaMode(a.ALPHA_DISABLE),
                this._currentActiveCount
            }
            ,
            t.prototype.render = function(e, t) {
                if (void 0 === e && (e = !1),
                void 0 === t && (t = !1),
                !this._started)
                    return 0;
                if (this._createColorGradientTexture(),
                this._createSizeGradientTexture(),
                this._createAngularSpeedGradientTexture(),
                this._createVelocityGradientTexture(),
                this._createLimitVelocityGradientTexture(),
                this._createDragGradientTexture(),
                this._recreateUpdateEffect(),
                !this.isReady())
                    return 0;
                if (!e && this._scene) {
                    if (!this._preWarmDone && this.preWarmCycles) {
                        for (var i = 0; i < this.preWarmCycles; i++)
                            this.animate(!0),
                            this.render(!0, !0);
                        this._preWarmDone = !0
                    }
                    if (this._currentRenderId === this._scene.getFrameId() && (!this._scene.activeCamera || this._scene.activeCamera && this._currentRenderingCameraUniqueId === this._scene.activeCamera.uniqueId))
                        return 0;
                    this._currentRenderId = this._scene.getFrameId(),
                    this._scene.activeCamera && (this._currentRenderingCameraUniqueId = this._scene.activeCamera.uniqueId)
                }
                if (this._initialize(),
                this._accumulatedCount += this.emitRate * this._timeDelta,
                this._accumulatedCount > 1) {
                    var n = 0 | this._accumulatedCount;
                    this._accumulatedCount -= n,
                    this._currentActiveCount = Math.min(this._activeCount, this._currentActiveCount + n)
                }
                if (!this._currentActiveCount)
                    return 0;
                var r;
                if (this.emitter.position)
                    r = this.emitter.getWorldMatrix();
                else {
                    var o = this.emitter;
                    r = P.Translation(o.x, o.y, o.z)
                }
                var s = this._engine;
                this._platform.preUpdateParticleBuffer(),
                this._updateBuffer.setFloat("currentCount", this._currentActiveCount),
                this._updateBuffer.setFloat("timeDelta", this._timeDelta),
                this._updateBuffer.setFloat("stopFactor", this._stopped ? 0 : 1),
                this._updateBuffer.setInt("randomTextureSize", this._randomTextureSize),
                this._updateBuffer.setFloat2("lifeTime", this.minLifeTime, this.maxLifeTime),
                this._updateBuffer.setFloat2("emitPower", this.minEmitPower, this.maxEmitPower),
                this._colorGradientsTexture || (this._updateBuffer.setDirectColor4("color1", this.color1),
                this._updateBuffer.setDirectColor4("color2", this.color2)),
                this._updateBuffer.setFloat2("sizeRange", this.minSize, this.maxSize),
                this._updateBuffer.setFloat4("scaleRange", this.minScaleX, this.maxScaleX, this.minScaleY, this.maxScaleY),
                this._updateBuffer.setFloat4("angleRange", this.minAngularSpeed, this.maxAngularSpeed, this.minInitialRotation, this.maxInitialRotation),
                this._updateBuffer.setVector3("gravity", this.gravity),
                this._limitVelocityGradientsTexture && this._updateBuffer.setFloat("limitVelocityDamping", this.limitVelocityDamping),
                this.particleEmitterType && this.particleEmitterType.applyToShader(this._updateBuffer),
                this._isAnimationSheetEnabled && this._updateBuffer.setFloat4("cellInfos", this.startSpriteCellID, this.endSpriteCellID, this.spriteCellChangeSpeed, this.spriteCellLoop ? 1 : 0),
                this.noiseTexture && this._updateBuffer.setVector3("noiseStrength", this.noiseStrength),
                this.isLocal || this._updateBuffer.setMatrix("emitterWM", r),
                this._platform.updateParticleBuffer(this._targetIndex, this._targetBuffer, this._currentActiveCount);
                var l = 0;
                e || t || (s.setState(!1),
                this.forceDepthWrite && s.setDepthWrite(!0),
                l = this.blendMode === fy.BLENDMODE_MULTIPLYADD ? this._render(fy.BLENDMODE_MULTIPLY, r) + this._render(fy.BLENDMODE_ADD, r) : this._render(this.blendMode, r),
                this._engine.setAlphaMode(a.ALPHA_DISABLE)),
                this._targetIndex++,
                2 === this._targetIndex && (this._targetIndex = 0);
                var c = this._sourceBuffer;
                return this._sourceBuffer = this._targetBuffer,
                this._targetBuffer = c,
                l
            }
            ,
            t.prototype.rebuild = function() {
                this._initialize(!0)
            }
            ,
            t.prototype._releaseBuffers = function() {
                this._buffer0 && (this._buffer0.dispose(),
                this._buffer0 = null),
                this._buffer1 && (this._buffer1.dispose(),
                this._buffer1 = null),
                this._spriteBuffer && (this._spriteBuffer.dispose(),
                this._spriteBuffer = null),
                this._platform.releaseBuffers()
            }
            ,
            t.prototype.dispose = function(e) {
                for (var t in void 0 === e && (e = !0),
                this._drawWrappers)
                    this._drawWrappers[t].dispose();
                if (this._drawWrappers = {},
                this._scene) {
                    var i = this._scene.particleSystems.indexOf(this);
                    i > -1 && this._scene.particleSystems.splice(i, 1)
                }
                this._releaseBuffers(),
                this._platform.releaseVertexBuffers(),
                this._colorGradientsTexture && (this._colorGradientsTexture.dispose(),
                this._colorGradientsTexture = null),
                this._sizeGradientsTexture && (this._sizeGradientsTexture.dispose(),
                this._sizeGradientsTexture = null),
                this._angularSpeedGradientsTexture && (this._angularSpeedGradientsTexture.dispose(),
                this._angularSpeedGradientsTexture = null),
                this._velocityGradientsTexture && (this._velocityGradientsTexture.dispose(),
                this._velocityGradientsTexture = null),
                this._limitVelocityGradientsTexture && (this._limitVelocityGradientsTexture.dispose(),
                this._limitVelocityGradientsTexture = null),
                this._dragGradientsTexture && (this._dragGradientsTexture.dispose(),
                this._dragGradientsTexture = null),
                this._randomTexture && (this._randomTexture.dispose(),
                this._randomTexture = null),
                this._randomTexture2 && (this._randomTexture2.dispose(),
                this._randomTexture2 = null),
                e && this.particleTexture && (this.particleTexture.dispose(),
                this.particleTexture = null),
                e && this.noiseTexture && (this.noiseTexture.dispose(),
                this.noiseTexture = null),
                this.onStoppedObservable.clear(),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear()
            }
            ,
            t.prototype.clone = function(e, i) {
                var n = V({}, this._customWrappers)
                  , r = null
                  , o = this._engine;
                if (o.createEffectForParticles && null != this.customShader) {
                    var a = (r = this.customShader).shaderOptions.defines.length > 0 ? r.shaderOptions.defines.join("\n") : "";
                    n[0] = o.createEffectForParticles(r.shaderPath.fragmentElement, r.shaderOptions.uniforms, r.shaderOptions.samplers, a, void 0, void 0, void 0, this)
                }
                var s = this.serialize()
                  , l = t.Parse(s, this._scene || this._engine, this._rootUrl);
                return l.name = e,
                l.customShader = r,
                l._customWrappers = n,
                void 0 === i && (i = this.emitter),
                this.noiseTexture && (l.noiseTexture = this.noiseTexture.clone()),
                l.emitter = i,
                l
            }
            ,
            t.prototype.serialize = function(e) {
                void 0 === e && (e = !1);
                var t = {};
                return fy._Serialize(t, this, e),
                t.activeParticleCount = this.activeParticleCount,
                t.randomTextureSize = this._randomTextureSize,
                t.customShader = this.customShader,
                t
            }
            ,
            t.Parse = function(e, i, n, r, o) {
                void 0 === r && (r = !1);
                var a, s = e.name;
                a = i instanceof Ht ? i : i.getEngine();
                var l = new t(s,{
                    capacity: o || e.capacity,
                    randomTextureSize: e.randomTextureSize
                },i,null,e.isAnimationSheetEnabled);
                if (l._rootUrl = n,
                e.customShader && a.createEffectForParticles) {
                    var c = e.customShader
                      , u = c.shaderOptions.defines.length > 0 ? c.shaderOptions.defines.join("\n") : ""
                      , h = a.createEffectForParticles(c.shaderPath.fragmentElement, c.shaderOptions.uniforms, c.shaderOptions.samplers, u, void 0, void 0, void 0, l);
                    l.setCustomEffect(h, 0),
                    l.customShader = c
                }
                return e.id && (l.id = e.id),
                e.activeParticleCount && (l.activeParticleCount = e.activeParticleCount),
                fy._Parse(e, l, i, n),
                e.preventAutoStart && (l.preventAutoStart = e.preventAutoStart),
                r || l.preventAutoStart || l.start(),
                l
            }
            ,
            t
        }(Tf)
          , my = function() {
            function e() {
                this._emitterNodeIsOwned = !0,
                this.systems = new Array
            }
            return Object.defineProperty(e.prototype, "emitterNode", {
                get: function() {
                    return this._emitterNode
                },
                set: function(e) {
                    this._emitterNodeIsOwned && this._emitterNode && (this._emitterNode.dispose && this._emitterNode.dispose(),
                    this._emitterNodeIsOwned = !1);
                    for (var t = 0, i = this.systems; t < i.length; t++)
                        i[t].emitter = e;
                    this._emitterNode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setEmitterAsSphere = function(e, t, i) {
                this._emitterNodeIsOwned && this._emitterNode && this._emitterNode.dispose && this._emitterNode.dispose(),
                this._emitterNodeIsOwned = !0,
                this._emitterCreationOptions = {
                    kind: "Sphere",
                    options: e,
                    renderingGroupId: t
                };
                var n = Dl("emitterSphere", {
                    diameter: e.diameter,
                    segments: e.segments
                }, i);
                n.renderingGroupId = t;
                var r = new Os("emitterSphereMaterial",i);
                r.emissiveColor = e.color,
                n.material = r;
                for (var o = 0, a = this.systems; o < a.length; o++)
                    a[o].emitter = n;
                this._emitterNode = n
            }
            ,
            e.prototype.start = function(e) {
                for (var t = 0, i = this.systems; t < i.length; t++) {
                    var n = i[t];
                    e && (n.emitter = e),
                    n.start()
                }
            }
            ,
            e.prototype.dispose = function() {
                for (var e = 0, t = this.systems; e < t.length; e++)
                    t[e].dispose();
                this.systems = [],
                this._emitterNode && (this._emitterNode.dispose && this._emitterNode.dispose(),
                this._emitterNode = null)
            }
            ,
            e.prototype.serialize = function(e) {
                void 0 === e && (e = !1);
                for (var t = {
                    systems: []
                }, i = 0, n = this.systems; i < n.length; i++) {
                    var r = n[i];
                    t.systems.push(r.serialize(e))
                }
                return this._emitterNode && (t.emitter = this._emitterCreationOptions),
                t
            }
            ,
            e.Parse = function(t, i, n, r) {
                void 0 === n && (n = !1);
                var o = new e
                  , a = this.BaseAssetsUrl + "/textures/";
                i = i || E.LastCreatedScene;
                for (var s = 0, l = t.systems; s < l.length; s++) {
                    var c = l[s];
                    o.systems.push(n ? _y.Parse(c, i, a, !0, r) : fy.Parse(c, i, a, !0, r))
                }
                if (t.emitter) {
                    var u = t.emitter.options;
                    "Sphere" === t.emitter.kind && o.setEmitterAsSphere({
                        diameter: u.diameter,
                        segments: u.segments,
                        color: D.FromArray(u.color)
                    }, t.emitter.renderingGroupId, i)
                }
                return o
            }
            ,
            e.BaseAssetsUrl = "https://assets.babylonjs.com/particles",
            e
        }()
          , gy = function() {
            function e() {}
            return e.CreateDefault = function(e, t, i, n) {
                var r;
                return void 0 === t && (t = 500),
                void 0 === n && (n = !1),
                (r = n ? new _y("default system",{
                    capacity: t
                },i) : new fy("default system",t,i)).emitter = e,
                r.particleTexture = new io("https://www.babylonjs.com/assets/Flare.png",r.getScene()),
                r.createConeEmitter(.1, Math.PI / 4),
                r.color1 = new N(1,1,1,1),
                r.color2 = new N(1,1,1,1),
                r.colorDead = new N(1,1,1,0),
                r.minSize = .1,
                r.maxSize = .1,
                r.minEmitPower = 2,
                r.maxEmitPower = 2,
                r.updateSpeed = 1 / 60,
                r.emitRate = 30,
                r
            }
            ,
            e.CreateAsync = function(t, i, n, r) {
                void 0 === n && (n = !1),
                i || (i = E.LastCreatedScene);
                var o = {};
                return i._addPendingData(o),
                new Promise((function(a, s) {
                    if (n && !_y.IsSupported)
                        return i._removePendingData(o),
                        s("Particle system with GPU is not supported.");
                    gi.LoadFile("".concat(e.BaseAssetsUrl, "/systems/").concat(t, ".json"), (function(e) {
                        i._removePendingData(o);
                        var t = JSON.parse(e.toString());
                        return a(my.Parse(t, i, n, r))
                    }
                    ), void 0, void 0, void 0, (function() {
                        return i._removePendingData(o),
                        s("An error occurred with the creation of your particle system. Check if your type '".concat(t, "' exists."))
                    }
                    ))
                }
                ))
            }
            ,
            e.ExportSet = function(e) {
                for (var t = new my, i = 0, n = e; i < n.length; i++) {
                    var r = n[i];
                    t.systems.push(r)
                }
                return t
            }
            ,
            e.ParseFromFileAsync = function(e, t, i, n, r, o) {
                return void 0 === n && (n = !1),
                void 0 === r && (r = ""),
                new Promise((function(a, s) {
                    var l = new Ye;
                    l.addEventListener("readystatechange", (function() {
                        if (4 == l.readyState)
                            if (200 == l.status) {
                                var t = JSON.parse(l.responseText)
                                  , c = void 0;
                                c = n ? _y.Parse(t, i, r, !1, o) : fy.Parse(t, i, r, !1, o),
                                e && (c.name = e),
                                a(c)
                            } else
                                s("Unable to load the particle system")
                    }
                    )),
                    l.open("GET", t),
                    l.send()
                }
                ))
            }
            ,
            e.CreateFromSnippetAsync = function(e, t, i, n, r) {
                var o = this;
                if (void 0 === i && (i = !1),
                void 0 === n && (n = ""),
                "_BLANK" === e) {
                    var a = this.CreateDefault(null);
                    return a.start(),
                    Promise.resolve(a)
                }
                return new Promise((function(a, s) {
                    var l = new Ye;
                    l.addEventListener("readystatechange", (function() {
                        if (4 == l.readyState)
                            if (200 == l.status) {
                                var o = JSON.parse(JSON.parse(l.responseText).jsonPayload)
                                  , c = JSON.parse(o.particleSystem)
                                  , u = void 0;
                                (u = i ? _y.Parse(c, t, n, !1, r) : fy.Parse(c, t, n, !1, r)).snippetId = e,
                                a(u)
                            } else
                                s("Unable to load the snippet " + e)
                    }
                    )),
                    l.open("GET", o.SnippetUrl + "/" + e.replace(/#/g, "/")),
                    l.send()
                }
                ))
            }
            ,
            e.BaseAssetsUrl = my.BaseAssetsUrl,
            e.SnippetUrl = "https://snippet.babylonjs.com",
            e
        }();
        o.AddParser(Wi.NAME_PARTICLESYSTEM, (function(e, t, i, n) {
            var r = o.GetIndividualParser(Wi.NAME_PARTICLESYSTEM);
            if (r && void 0 !== e.particleSystems && null !== e.particleSystems)
                for (var a = 0, s = e.particleSystems.length; a < s; a++) {
                    var l = e.particleSystems[a];
                    i.particleSystems.push(r(l, t, n))
                }
        }
        )),
        o.AddIndividualParser(Wi.NAME_PARTICLESYSTEM, (function(e, t, i) {
            return e.activeParticleCount ? _y.Parse(e, t, i) : fy.Parse(e, t, i)
        }
        )),
        vr.prototype.createEffectForParticles = function(e, t, i, n, r, o, a, s) {
            var l;
            void 0 === t && (t = []),
            void 0 === i && (i = []),
            void 0 === n && (n = "");
            var c = []
              , u = []
              , h = [];
            return s ? s.fillUniformsAttributesAndSamplerNames(u, c, h) : (c = fy._GetAttributeNamesOrOptions(),
            u = fy._GetEffectCreationOptions()),
            -1 === n.indexOf(" BILLBOARD") && (n += "\n#define BILLBOARD\n"),
            -1 === i.indexOf("diffuseSampler") && i.push("diffuseSampler"),
            this.createEffect({
                vertex: null !== (l = null == s ? void 0 : s.vertexShaderName) && void 0 !== l ? l : "particles",
                fragmentElement: e
            }, c, u.concat(t), h.concat(i), n, r, o, a)
        }
        ,
        Vr.prototype.getEmittedParticleSystems = function() {
            for (var e = new Array, t = 0; t < this.getScene().particleSystems.length; t++) {
                var i = this.getScene().particleSystems[t];
                i.emitter === this && e.push(i)
            }
            return e
        }
        ,
        Vr.prototype.getHierarchyEmittedParticleSystems = function() {
            var e = new Array
              , t = this.getDescendants();
            t.push(this);
            for (var i = 0; i < this.getScene().particleSystems.length; i++) {
                var n = this.getScene().particleSystems[i]
                  , r = n.emitter;
                r.position && -1 !== t.indexOf(r) && e.push(n)
            }
            return e
        }
        ;
        var vy, yy = function() {
            function e(e, t, i, n, r, o, a, s, l, c) {
                void 0 === l && (l = null),
                void 0 === c && (c = null),
                this.idx = 0,
                this.id = 0,
                this.color = new N(1,1,1,1),
                this.position = x.Zero(),
                this.rotation = x.Zero(),
                this.scaling = x.One(),
                this.uvs = new R(0,0,1,1),
                this.velocity = x.Zero(),
                this.pivot = x.Zero(),
                this.translateFromPivot = !1,
                this.alive = !0,
                this.isVisible = !0,
                this._pos = 0,
                this._ind = 0,
                this.shapeId = 0,
                this.idxInShape = 0,
                this._stillInvisible = !1,
                this._rotationMatrix = [1, 0, 0, 0, 1, 0, 0, 0, 1],
                this.parentId = null,
                this.materialIndex = null,
                this.props = null,
                this.cullingStrategy = Sr.CULLINGSTRATEGY_BOUNDINGSPHERE_ONLY,
                this._globalPosition = x.Zero(),
                this.idx = e,
                this.id = t,
                this._pos = i,
                this._ind = n,
                this._model = r,
                this.shapeId = o,
                this.idxInShape = a,
                this._sps = s,
                l && (this._modelBoundingInfo = l,
                this._boundingInfo = new sr(l.minimum,l.maximum)),
                null !== c && (this.materialIndex = c)
            }
            return e.prototype.getBoundingInfo = function() {
                return this._boundingInfo
            }
            ,
            Object.defineProperty(e.prototype, "hasBoundingInfo", {
                get: function() {
                    return null !== this._boundingInfo
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.copyToRef = function(e) {
                return e.position.copyFrom(this.position),
                e.rotation.copyFrom(this.rotation),
                this.rotationQuaternion && (e.rotationQuaternion ? e.rotationQuaternion.copyFrom(this.rotationQuaternion) : e.rotationQuaternion = this.rotationQuaternion.clone()),
                e.scaling.copyFrom(this.scaling),
                this.color && (e.color ? e.color.copyFrom(this.color) : e.color = this.color.clone()),
                e.uvs.copyFrom(this.uvs),
                e.velocity.copyFrom(this.velocity),
                e.pivot.copyFrom(this.pivot),
                e.translateFromPivot = this.translateFromPivot,
                e.alive = this.alive,
                e.isVisible = this.isVisible,
                e.parentId = this.parentId,
                e.cullingStrategy = this.cullingStrategy,
                null !== this.materialIndex && (e.materialIndex = this.materialIndex),
                this
            }
            ,
            Object.defineProperty(e.prototype, "scale", {
                get: function() {
                    return this.scaling
                },
                set: function(e) {
                    this.scaling = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "quaternion", {
                get: function() {
                    return this.rotationQuaternion
                },
                set: function(e) {
                    this.rotationQuaternion = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.intersectsMesh = function(e) {
                return !(!this._boundingInfo || !e.hasBoundingInfo) && (this._sps._bSphereOnly ? ir.Intersects(this._boundingInfo.boundingSphere, e.getBoundingInfo().boundingSphere) : this._boundingInfo.intersects(e.getBoundingInfo(), !1))
            }
            ,
            e.prototype.isInFrustum = function(e) {
                return null !== this._boundingInfo && this._boundingInfo.isInFrustum(e, this.cullingStrategy)
            }
            ,
            e.prototype.getRotationMatrix = function(e) {
                var t;
                if (this.rotationQuaternion)
                    t = this.rotationQuaternion;
                else {
                    t = I.Quaternion[0];
                    var i = this.rotation;
                    C.RotationYawPitchRollToRef(i.y, i.x, i.z, t)
                }
                t.toRotationMatrix(e)
            }
            ,
            e
        }(), by = function() {
            function e(e, t, i, n, r, o, a, s, l) {
                this._indicesLength = 0,
                this.shapeId = e,
                this._shape = t,
                this._indices = i,
                this._indicesLength = i.length,
                this._shapeUV = o,
                this._shapeColors = r,
                this._normals = n,
                this._positionFunction = a,
                this._vertexFunction = s,
                this._material = l
            }
            return Object.defineProperty(e.prototype, "shapeID", {
                get: function() {
                    return this.shapeId
                },
                set: function(e) {
                    this.shapeId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), Ty = function(e, t, i, n) {
            this.idx = 0,
            this.ind = 0,
            this.indicesLength = 0,
            this.sqDistance = 0,
            this.materialIndex = 0,
            this.idx = e,
            this.ind = t,
            this.indicesLength = i,
            this.materialIndex = n
        }, Ey = function() {
            function e() {
                this.position = x.Zero(),
                this.color = new N(1,1,1,1),
                this.uv = A.Zero()
            }
            return Object.defineProperty(e.prototype, "x", {
                get: function() {
                    return this.position.x
                },
                set: function(e) {
                    this.position.x = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "y", {
                get: function() {
                    return this.position.y
                },
                set: function(e) {
                    this.position.y = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "z", {
                get: function() {
                    return this.position.z
                },
                set: function(e) {
                    this.position.z = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }(), Sy = function() {
            function e(e, t, i) {
                this.particles = new Array,
                this.nbParticles = 0,
                this.billboard = !1,
                this.recomputeNormals = !1,
                this.counter = 0,
                this.vars = {},
                this._bSphereOnly = !1,
                this._bSphereRadiusFactor = 1,
                this._positions = new Array,
                this._indices = new Array,
                this._normals = new Array,
                this._colors = new Array,
                this._uvs = new Array,
                this._index = 0,
                this._updatable = !0,
                this._pickable = !1,
                this._isVisibilityBoxLocked = !1,
                this._alwaysVisible = !1,
                this._depthSort = !1,
                this._expandable = !1,
                this._shapeCounter = 0,
                this._copy = new yy(0,0,0,0,null,0,0,this),
                this._color = new N(0,0,0,0),
                this._computeParticleColor = !0,
                this._computeParticleTexture = !0,
                this._computeParticleRotation = !0,
                this._computeParticleVertex = !1,
                this._computeBoundingBox = !1,
                this._depthSortParticles = !0,
                this._mustUnrotateFixedNormals = !1,
                this._particlesIntersect = !1,
                this._needs32Bits = !1,
                this._isNotBuilt = !0,
                this._lastParticleId = 0,
                this._idxOfId = [],
                this._multimaterialEnabled = !1,
                this._useModelMaterial = !1,
                this._depthSortFunction = function(e, t) {
                    return t.sqDistance - e.sqDistance
                }
                ,
                this._materialSortFunction = function(e, t) {
                    return e.materialIndex - t.materialIndex
                }
                ,
                this._autoUpdateSubMeshes = !1,
                this.name = e,
                this._scene = t || E.LastCreatedScene,
                this._camera = t.activeCamera,
                this._pickable = !!i && i.isPickable,
                this._depthSort = !!i && i.enableDepthSort,
                this._multimaterialEnabled = !!i && i.enableMultiMaterial,
                this._useModelMaterial = !!i && i.useModelMaterial,
                this._multimaterialEnabled = !!this._useModelMaterial || this._multimaterialEnabled,
                this._expandable = !!i && i.expandable,
                this._particlesIntersect = !!i && i.particleIntersection,
                this._bSphereOnly = !!i && i.boundingSphereOnly,
                this._bSphereRadiusFactor = i && i.bSphereRadiusFactor ? i.bSphereRadiusFactor : 1,
                i && void 0 !== i.updatable ? this._updatable = i.updatable : this._updatable = !0,
                this._pickable && (this.pickedBySubMesh = [[]],
                this.pickedParticles = this.pickedBySubMesh[0]),
                (this._depthSort || this._multimaterialEnabled) && (this.depthSortedParticles = []),
                this._multimaterialEnabled && (this._multimaterial = new Dr(this.name + "MultiMaterial",this._scene),
                this._materials = [],
                this._materialIndexesById = {}),
                this._tmpVertex = new Ey
            }
            return e.prototype.buildMesh = function() {
                if (!this._isNotBuilt && this.mesh)
                    return this.mesh;
                if (0 === this.nbParticles && !this.mesh) {
                    var e = Pd("", {
                        radius: 1,
                        tessellation: 3
                    }, this._scene);
                    this.addShape(e, 1),
                    e.dispose()
                }
                if (this._indices32 = this._needs32Bits ? new Uint32Array(this._indices) : new Uint16Array(this._indices),
                this._positions32 = new Float32Array(this._positions),
                this._uvs32 = new Float32Array(this._uvs),
                this._colors32 = new Float32Array(this._colors),
                !this.mesh) {
                    var t = new Vr(this.name,this._scene);
                    this.mesh = t
                }
                !this._updatable && this._multimaterialEnabled && this._sortParticlesByMaterial(),
                this.recomputeNormals && $n.ComputeNormals(this._positions32, this._indices32, this._normals),
                this._normals32 = new Float32Array(this._normals),
                this._fixedNormal32 = new Float32Array(this._normals),
                this._mustUnrotateFixedNormals && this._unrotateFixedNormals();
                var i = new $n;
                if (i.indices = this._depthSort ? this._indices : this._indices32,
                i.set(this._positions32, Bi.PositionKind),
                i.set(this._normals32, Bi.NormalKind),
                this._uvs32.length > 0 && i.set(this._uvs32, Bi.UVKind),
                this._colors32.length > 0 && i.set(this._colors32, Bi.ColorKind),
                i.applyToMesh(this.mesh, this._updatable),
                this.mesh.isPickable = this._pickable,
                this._pickable)
                    for (var n = 0, r = 0; r < this.nbParticles; r++)
                        for (var o = this.particles[r], a = o._model._indicesLength, s = 0; s < a; s++)
                            if (0 == s % 3) {
                                var l = {
                                    idx: o.idx,
                                    faceId: n
                                };
                                this.pickedParticles[n] = l,
                                n++
                            }
                return this._multimaterialEnabled && this.setMultiMaterial(this._materials),
                this._expandable || (this._depthSort || this._multimaterialEnabled || (this._indices = null),
                this._positions = null,
                this._normals = null,
                this._uvs = null,
                this._colors = null,
                this._updatable || (this.particles.length = 0)),
                this._isNotBuilt = !1,
                this.recomputeNormals = !1,
                this.mesh
            }
            ,
            e.prototype.digest = function(e, t) {
                var i = t && t.facetNb || 1
                  , n = t && t.number || 0
                  , r = t && t.delta || 0
                  , o = e.getVerticesData(Bi.PositionKind)
                  , a = e.getIndices()
                  , s = e.getVerticesData(Bi.UVKind)
                  , l = e.getVerticesData(Bi.ColorKind)
                  , c = e.getVerticesData(Bi.NormalKind)
                  , u = t && t.storage ? t.storage : null
                  , h = 0
                  , d = a.length / 3;
                n ? (n = n > d ? d : n,
                i = Math.round(d / n),
                r = 0) : i = i > d ? d : i;
                for (var p = [], f = [], _ = [], m = [], g = [], v = x.Zero(), y = i; h < d; ) {
                    h > d - (i = y + Math.floor((1 + r) * Math.random())) && (i = d - h),
                    p.length = 0,
                    f.length = 0,
                    _.length = 0,
                    m.length = 0,
                    g.length = 0;
                    for (var b = 0, T = 3 * h; T < 3 * (h + i); T++) {
                        _.push(b);
                        var E = a[T]
                          , S = 3 * E;
                        if (p.push(o[S], o[S + 1], o[S + 2]),
                        f.push(c[S], c[S + 1], c[S + 2]),
                        s) {
                            var A = 2 * E;
                            m.push(s[A], s[A + 1])
                        }
                        if (l) {
                            var R = 4 * E;
                            g.push(l[R], l[R + 1], l[R + 2], l[R + 3])
                        }
                        b++
                    }
                    var C = this.nbParticles
                      , P = this._posToShape(p)
                      , M = this._uvsToShapeUV(m)
                      , I = gi.Slice(_)
                      , O = gi.Slice(g)
                      , D = gi.Slice(f);
                    v.copyFromFloats(0, 0, 0);
                    var N = void 0;
                    for (N = 0; N < P.length; N++)
                        v.addInPlace(P[N]);
                    v.scaleInPlace(1 / P.length);
                    var L = new x(1 / 0,1 / 0,1 / 0)
                      , F = new x(-1 / 0,-1 / 0,-1 / 0);
                    for (N = 0; N < P.length; N++)
                        P[N].subtractInPlace(v),
                        L.minimizeInPlaceFromFloats(P[N].x, P[N].y, P[N].z),
                        F.maximizeInPlaceFromFloats(P[N].x, P[N].y, P[N].z);
                    var w = void 0;
                    this._particlesIntersect && (w = new sr(L,F));
                    var B = null;
                    this._useModelMaterial && (B = e.material ? e.material : this._setDefaultMaterial());
                    var U = new by(this._shapeCounter,P,I,D,O,M,null,null,B)
                      , V = this._positions.length
                      , k = this._indices.length;
                    this._meshBuilder(this._index, k, P, this._positions, I, this._indices, m, this._uvs, O, this._colors, D, this._normals, C, 0, null, U),
                    this._addParticle(C, this._lastParticleId, V, k, U, this._shapeCounter, 0, w, u),
                    this.particles[this.nbParticles].position.addInPlace(v),
                    u || (this._index += P.length,
                    C++,
                    this.nbParticles++,
                    this._lastParticleId++),
                    this._shapeCounter++,
                    h += i
                }
                return this._isNotBuilt = !0,
                this
            }
            ,
            e.prototype._unrotateFixedNormals = function() {
                for (var e = 0, t = 0, i = I.Vector3[0], n = I.Quaternion[0], r = I.Matrix[0], o = 0; o < this.particles.length; o++) {
                    var a = this.particles[o]
                      , s = a._model._shape;
                    if (a.rotationQuaternion)
                        a.rotationQuaternion.conjugateToRef(n);
                    else {
                        var l = a.rotation;
                        C.RotationYawPitchRollToRef(l.y, l.x, l.z, n),
                        n.conjugateInPlace()
                    }
                    n.toRotationMatrix(r);
                    for (var c = 0; c < s.length; c++)
                        t = e + 3 * c,
                        x.TransformNormalFromFloatsToRef(this._normals32[t], this._normals32[t + 1], this._normals32[t + 2], r, i),
                        i.toArray(this._fixedNormal32, t);
                    e = t + 3
                }
            }
            ,
            e.prototype._resetCopy = function() {
                var e = this._copy;
                e.position.setAll(0),
                e.rotation.setAll(0),
                e.rotationQuaternion = null,
                e.scaling.setAll(1),
                e.uvs.copyFromFloats(0, 0, 1, 1),
                e.color = null,
                e.translateFromPivot = !1,
                e.shapeId = 0,
                e.materialIndex = null
            }
            ,
            e.prototype._meshBuilder = function(e, t, i, n, r, o, a, s, l, c, u, h, d, p, f, _) {
                var m, g = 0, v = 0, y = 0;
                this._resetCopy();
                var b = this._copy
                  , T = !(!f || !f.storage);
                if (b.idx = d,
                b.idxInShape = p,
                b.shapeId = _.shapeId,
                this._useModelMaterial) {
                    var E = _._material.uniqueId
                      , S = this._materialIndexesById;
                    Object.prototype.hasOwnProperty.call(S, E) || (S[E] = this._materials.length,
                    this._materials.push(_._material));
                    var A = S[E];
                    b.materialIndex = A
                }
                if (f && f.positionFunction && (f.positionFunction(b, d, p),
                this._mustUnrotateFixedNormals = !0),
                T)
                    return b;
                var R = I.Matrix[0]
                  , C = this._tmpVertex
                  , M = C.position
                  , O = C.color
                  , D = C.uv
                  , N = I.Vector3[1]
                  , L = I.Vector3[2]
                  , F = I.Vector3[3];
                P.IdentityToRef(R),
                b.getRotationMatrix(R),
                b.pivot.multiplyToRef(b.scaling, F),
                b.translateFromPivot ? L.setAll(0) : L.copyFrom(F);
                var w = f && f.vertexFunction;
                for (m = 0; m < i.length; m++) {
                    if (M.copyFrom(i[m]),
                    b.color && O.copyFrom(b.color),
                    a && D.copyFromFloats(a[g], a[g + 1]),
                    w && f.vertexFunction(b, C, m),
                    M.multiplyInPlace(b.scaling).subtractInPlace(F),
                    x.TransformCoordinatesToRef(M, R, N),
                    N.addInPlace(L).addInPlace(b.position),
                    n.push(N.x, N.y, N.z),
                    a) {
                        var B = b.uvs;
                        s.push((B.z - B.x) * D.x + B.x, (B.w - B.y) * D.y + B.y),
                        g += 2
                    }
                    if (b.color)
                        this._color.copyFrom(O);
                    else {
                        var U = this._color;
                        l && void 0 !== l[v] ? (U.r = l[v],
                        U.g = l[v + 1],
                        U.b = l[v + 2],
                        U.a = l[v + 3]) : (U.r = 1,
                        U.g = 1,
                        U.b = 1,
                        U.a = 1)
                    }
                    c.push(this._color.r, this._color.g, this._color.b, this._color.a),
                    v += 4,
                    !this.recomputeNormals && u && (x.TransformNormalFromFloatsToRef(u[y], u[y + 1], u[y + 2], R, M),
                    h.push(M.x, M.y, M.z),
                    y += 3)
                }
                for (m = 0; m < r.length; m++) {
                    var V = e + r[m];
                    o.push(V),
                    V > 65535 && (this._needs32Bits = !0)
                }
                if (this._depthSort || this._multimaterialEnabled) {
                    var k = null !== b.materialIndex ? b.materialIndex : 0;
                    this.depthSortedParticles.push(new Ty(d,t,r.length,k))
                }
                return b
            }
            ,
            e.prototype._posToShape = function(e) {
                for (var t = [], i = 0; i < e.length; i += 3)
                    t.push(x.FromArray(e, i));
                return t
            }
            ,
            e.prototype._uvsToShapeUV = function(e) {
                var t = [];
                if (e)
                    for (var i = 0; i < e.length; i++)
                        t.push(e[i]);
                return t
            }
            ,
            e.prototype._addParticle = function(e, t, i, n, r, o, a, s, l) {
                void 0 === s && (s = null),
                void 0 === l && (l = null);
                var c = new yy(e,t,i,n,r,o,a,this,s);
                return (l || this.particles).push(c),
                c
            }
            ,
            e.prototype.addShape = function(e, t, i) {
                var n = e.getVerticesData(Bi.PositionKind)
                  , r = e.getIndices()
                  , o = e.getVerticesData(Bi.UVKind)
                  , a = e.getVerticesData(Bi.ColorKind)
                  , s = e.getVerticesData(Bi.NormalKind);
                this.recomputeNormals = !s;
                var l = gi.SliceToArray(r)
                  , c = gi.SliceToArray(s)
                  , u = a ? gi.SliceToArray(a) : []
                  , h = i && i.storage ? i.storage : null
                  , d = null;
                this._particlesIntersect && (d = e.getBoundingInfo());
                var p = this._posToShape(n)
                  , f = this._uvsToShapeUV(o)
                  , _ = i ? i.positionFunction : null
                  , m = i ? i.vertexFunction : null
                  , g = null;
                this._useModelMaterial && (g = e.material ? e.material : this._setDefaultMaterial());
                for (var v = new by(this._shapeCounter,p,l,c,u,f,_,m,g), y = 0; y < t; y++)
                    this._insertNewParticle(this.nbParticles, y, v, p, r, o, a, s, d, h, i);
                return this._shapeCounter++,
                this._isNotBuilt = !0,
                this._shapeCounter - 1
            }
            ,
            e.prototype._rebuildParticle = function(e, t) {
                void 0 === t && (t = !1),
                this._resetCopy();
                var i = this._copy;
                e._model._positionFunction && e._model._positionFunction(i, e.idx, e.idxInShape);
                var n = I.Matrix[0]
                  , r = I.Vector3[0]
                  , o = I.Vector3[1]
                  , a = I.Vector3[2]
                  , s = I.Vector3[3];
                i.getRotationMatrix(n),
                e.pivot.multiplyToRef(e.scaling, s),
                i.translateFromPivot ? a.copyFromFloats(0, 0, 0) : a.copyFrom(s);
                for (var l = e._model._shape, c = 0; c < l.length; c++)
                    r.copyFrom(l[c]),
                    e._model._vertexFunction && e._model._vertexFunction(i, r, c),
                    r.multiplyInPlace(i.scaling).subtractInPlace(s),
                    x.TransformCoordinatesToRef(r, n, o),
                    o.addInPlace(a).addInPlace(i.position).toArray(this._positions32, e._pos + 3 * c);
                t && (e.position.setAll(0),
                e.rotation.setAll(0),
                e.rotationQuaternion = null,
                e.scaling.setAll(1),
                e.uvs.setAll(0),
                e.pivot.setAll(0),
                e.translateFromPivot = !1,
                e.parentId = null)
            }
            ,
            e.prototype.rebuildMesh = function(e) {
                void 0 === e && (e = !1);
                for (var t = 0; t < this.particles.length; t++)
                    this._rebuildParticle(this.particles[t], e);
                return this.mesh.updateVerticesData(Bi.PositionKind, this._positions32, !1, !1),
                this
            }
            ,
            e.prototype.removeParticles = function(e, t) {
                var i = t - e + 1;
                if (!this._expandable || i <= 0 || i >= this.nbParticles || !this._updatable)
                    return [];
                var n = this.particles
                  , r = this.nbParticles;
                if (t < r - 1)
                    for (var o = t + 1, a = n[o]._pos - n[e]._pos, s = n[o]._ind - n[e]._ind, l = o; l < r; l++) {
                        var c = n[l];
                        c._pos -= a,
                        c._ind -= s
                    }
                var u = n.splice(e, i);
                this._positions.length = 0,
                this._indices.length = 0,
                this._colors.length = 0,
                this._uvs.length = 0,
                this._normals.length = 0,
                this._index = 0,
                this._idxOfId.length = 0,
                (this._depthSort || this._multimaterialEnabled) && (this.depthSortedParticles = []);
                for (var h = 0, d = n.length, p = 0; p < d; p++) {
                    var f = n[p]
                      , _ = f._model
                      , m = _._shape
                      , g = _._indices
                      , v = _._normals
                      , y = _._shapeColors
                      , b = _._shapeUV;
                    f.idx = p,
                    this._idxOfId[f.id] = p,
                    this._meshBuilder(this._index, h, m, this._positions, g, this._indices, b, this._uvs, y, this._colors, v, this._normals, f.idx, f.idxInShape, null, _),
                    this._index += m.length,
                    h += g.length
                }
                return this.nbParticles -= i,
                this._isNotBuilt = !0,
                u
            }
            ,
            e.prototype.insertParticlesFromArray = function(e) {
                if (!this._expandable)
                    return this;
                for (var t = 0, i = e[0].shapeId, n = e.length, r = 0; r < n; r++) {
                    var o = e[r]
                      , a = o._model
                      , s = a._shape
                      , l = a._indices
                      , c = a._shapeUV
                      , u = a._shapeColors
                      , h = a._normals
                      , d = !h;
                    this.recomputeNormals = d || this.recomputeNormals;
                    var p = o.getBoundingInfo()
                      , f = this._insertNewParticle(this.nbParticles, t, a, s, l, c, u, h, p, null, null);
                    o.copyToRef(f),
                    t++,
                    i != o.shapeId && (i = o.shapeId,
                    t = 0)
                }
                return this._isNotBuilt = !0,
                this
            }
            ,
            e.prototype._insertNewParticle = function(e, t, i, n, r, o, a, s, l, c, u) {
                var h = this._positions.length
                  , d = this._indices.length
                  , p = this._meshBuilder(this._index, d, n, this._positions, r, this._indices, o, this._uvs, a, this._colors, s, this._normals, e, t, u, i)
                  , f = null;
                return this._updatable && ((f = this._addParticle(this.nbParticles, this._lastParticleId, h, d, i, this._shapeCounter, t, l, c)).position.copyFrom(p.position),
                f.rotation.copyFrom(p.rotation),
                p.rotationQuaternion && (f.rotationQuaternion ? f.rotationQuaternion.copyFrom(p.rotationQuaternion) : f.rotationQuaternion = p.rotationQuaternion.clone()),
                p.color && (f.color ? f.color.copyFrom(p.color) : f.color = p.color.clone()),
                f.scaling.copyFrom(p.scaling),
                f.uvs.copyFrom(p.uvs),
                null !== p.materialIndex && (f.materialIndex = p.materialIndex),
                this.expandable && (this._idxOfId[f.id] = f.idx)),
                c || (this._index += n.length,
                this.nbParticles++,
                this._lastParticleId++),
                f
            }
            ,
            e.prototype.setParticles = function(e, t, i) {
                if (void 0 === e && (e = 0),
                void 0 === t && (t = this.nbParticles - 1),
                void 0 === i && (i = !0),
                !this._updatable || this._isNotBuilt)
                    return this;
                this.beforeUpdateParticles(e, t, i);
                var n = I.Matrix[0]
                  , r = I.Matrix[1]
                  , o = this.mesh
                  , a = this._colors32
                  , s = this._positions32
                  , l = this._normals32
                  , c = this._uvs32
                  , u = this._indices32
                  , h = this._indices
                  , d = this._fixedNormal32
                  , p = I.Vector3
                  , f = p[5].copyFromFloats(1, 0, 0)
                  , _ = p[6].copyFromFloats(0, 1, 0)
                  , m = p[7].copyFromFloats(0, 0, 1)
                  , g = p[8].setAll(Number.MAX_VALUE)
                  , v = p[9].setAll(-Number.MAX_VALUE)
                  , y = p[10].setAll(0)
                  , b = this._tmpVertex
                  , T = b.position
                  , E = b.color
                  , S = b.uv;
                if ((this.billboard || this._depthSort) && (this.mesh.computeWorldMatrix(!0),
                this.mesh._worldMatrix.invertToRef(r)),
                this.billboard) {
                    var A = p[0];
                    this._camera.getDirectionToRef(vn.Z, A),
                    x.TransformNormalToRef(A, r, m),
                    m.normalize();
                    var R = this._camera.getViewMatrix(!0);
                    x.TransformNormalFromFloatsToRef(R.m[1], R.m[5], R.m[9], r, _),
                    x.CrossToRef(_, m, f),
                    _.normalize(),
                    f.normalize()
                }
                this._depthSort && x.TransformCoordinatesToRef(this._camera.globalPosition, r, y),
                P.IdentityToRef(n);
                var C = 0
                  , M = 0
                  , O = 0
                  , D = 0
                  , N = 0
                  , L = 0
                  , F = 0;
                if (this.mesh.isFacetDataEnabled && (this._computeBoundingBox = !0),
                t = t >= this.nbParticles ? this.nbParticles - 1 : t,
                this._computeBoundingBox && (0 != e || t != this.nbParticles - 1)) {
                    var w = this.mesh.getBoundingInfo();
                    w && (g.copyFrom(w.minimum),
                    v.copyFrom(w.maximum))
                }
                var B = (M = this.particles[e]._pos) / 3 | 0;
                D = 4 * B,
                L = 2 * B;
                for (var U = e; U <= t; U++) {
                    var V = this.particles[U];
                    this.updateParticle(V);
                    var k = V._model._shape
                      , G = V._model._shapeUV
                      , z = V._rotationMatrix
                      , W = V.position
                      , H = V.rotation
                      , X = V.scaling
                      , j = V._globalPosition;
                    if (this._depthSort && this._depthSortParticles) {
                        var Y = this.depthSortedParticles[U];
                        Y.idx = V.idx,
                        Y.ind = V._ind,
                        Y.indicesLength = V._model._indicesLength,
                        Y.sqDistance = x.DistanceSquared(V.position, y)
                    }
                    if (!V.alive || V._stillInvisible && !V.isVisible)
                        M += 3 * (F = k.length),
                        D += 4 * F,
                        L += 2 * F;
                    else {
                        if (V.isVisible) {
                            V._stillInvisible = !1;
                            var K = p[12];
                            if (V.pivot.multiplyToRef(X, K),
                            this.billboard && (H.x = 0,
                            H.y = 0),
                            (this._computeParticleRotation || this.billboard) && V.getRotationMatrix(n),
                            null !== V.parentId) {
                                var Q = this.getParticleById(V.parentId);
                                if (Q) {
                                    var q = Q._rotationMatrix
                                      , Z = Q._globalPosition
                                      , J = W.x * q[1] + W.y * q[4] + W.z * q[7]
                                      , $ = W.x * q[0] + W.y * q[3] + W.z * q[6]
                                      , ee = W.x * q[2] + W.y * q[5] + W.z * q[8];
                                    if (j.x = Z.x + $,
                                    j.y = Z.y + J,
                                    j.z = Z.z + ee,
                                    this._computeParticleRotation || this.billboard) {
                                        var te = n.m;
                                        z[0] = te[0] * q[0] + te[1] * q[3] + te[2] * q[6],
                                        z[1] = te[0] * q[1] + te[1] * q[4] + te[2] * q[7],
                                        z[2] = te[0] * q[2] + te[1] * q[5] + te[2] * q[8],
                                        z[3] = te[4] * q[0] + te[5] * q[3] + te[6] * q[6],
                                        z[4] = te[4] * q[1] + te[5] * q[4] + te[6] * q[7],
                                        z[5] = te[4] * q[2] + te[5] * q[5] + te[6] * q[8],
                                        z[6] = te[8] * q[0] + te[9] * q[3] + te[10] * q[6],
                                        z[7] = te[8] * q[1] + te[9] * q[4] + te[10] * q[7],
                                        z[8] = te[8] * q[2] + te[9] * q[5] + te[10] * q[8]
                                    }
                                } else
                                    V.parentId = null
                            } else
                                j.x = W.x,
                                j.y = W.y,
                                j.z = W.z,
                                (this._computeParticleRotation || this.billboard) && (te = n.m,
                                z[0] = te[0],
                                z[1] = te[1],
                                z[2] = te[2],
                                z[3] = te[4],
                                z[4] = te[5],
                                z[5] = te[6],
                                z[6] = te[8],
                                z[7] = te[9],
                                z[8] = te[10]);
                            var ie = p[11];
                            for (V.translateFromPivot ? ie.setAll(0) : ie.copyFrom(K),
                            F = 0; F < k.length; F++) {
                                C = M + 3 * F,
                                O = D + 4 * F,
                                N = L + 2 * F;
                                var ne = 2 * F
                                  , re = ne + 1;
                                T.copyFrom(k[F]),
                                this._computeParticleColor && V.color && E.copyFrom(V.color),
                                this._computeParticleTexture && S.copyFromFloats(G[ne], G[re]),
                                this._computeParticleVertex && this.updateParticleVertex(V, b, F);
                                var oe = T.x * X.x - K.x
                                  , ae = T.y * X.y - K.y
                                  , se = T.z * X.z - K.z;
                                $ = oe * z[0] + ae * z[3] + se * z[6],
                                J = oe * z[1] + ae * z[4] + se * z[7],
                                ee = oe * z[2] + ae * z[5] + se * z[8],
                                $ += ie.x,
                                J += ie.y,
                                ee += ie.z;
                                var le = s[C] = j.x + f.x * $ + _.x * J + m.x * ee
                                  , ce = s[C + 1] = j.y + f.y * $ + _.y * J + m.y * ee
                                  , ue = s[C + 2] = j.z + f.z * $ + _.z * J + m.z * ee;
                                if (this._computeBoundingBox && (g.minimizeInPlaceFromFloats(le, ce, ue),
                                v.maximizeInPlaceFromFloats(le, ce, ue)),
                                !this._computeParticleVertex) {
                                    var he = d[C]
                                      , de = d[C + 1]
                                      , pe = d[C + 2]
                                      , fe = he * z[0] + de * z[3] + pe * z[6]
                                      , _e = he * z[1] + de * z[4] + pe * z[7]
                                      , me = he * z[2] + de * z[5] + pe * z[8];
                                    l[C] = f.x * fe + _.x * _e + m.x * me,
                                    l[C + 1] = f.y * fe + _.y * _e + m.y * me,
                                    l[C + 2] = f.z * fe + _.z * _e + m.z * me
                                }
                                if (this._computeParticleColor && V.color) {
                                    var ge = this._colors32;
                                    ge[O] = E.r,
                                    ge[O + 1] = E.g,
                                    ge[O + 2] = E.b,
                                    ge[O + 3] = E.a
                                }
                                if (this._computeParticleTexture) {
                                    var ve = V.uvs;
                                    c[N] = S.x * (ve.z - ve.x) + ve.x,
                                    c[N + 1] = S.y * (ve.w - ve.y) + ve.y
                                }
                            }
                        } else
                            for (V._stillInvisible = !0,
                            F = 0; F < k.length; F++) {
                                if (O = D + 4 * F,
                                N = L + 2 * F,
                                s[C = M + 3 * F] = s[C + 1] = s[C + 2] = 0,
                                l[C] = l[C + 1] = l[C + 2] = 0,
                                this._computeParticleColor && V.color) {
                                    var ye = V.color;
                                    a[O] = ye.r,
                                    a[O + 1] = ye.g,
                                    a[O + 2] = ye.b,
                                    a[O + 3] = ye.a
                                }
                                this._computeParticleTexture && (ve = V.uvs,
                                c[N] = G[2 * F] * (ve.z - ve.x) + ve.x,
                                c[N + 1] = G[2 * F + 1] * (ve.w - ve.y) + ve.y)
                            }
                        if (this._particlesIntersect) {
                            var be = V.getBoundingInfo()
                              , Te = be.boundingBox
                              , Ee = be.boundingSphere
                              , Se = V._modelBoundingInfo;
                            if (!this._bSphereOnly) {
                                var Ae = Se.boundingBox.vectors
                                  , xe = p[1]
                                  , Re = p[2];
                                xe.setAll(Number.MAX_VALUE),
                                Re.setAll(-Number.MAX_VALUE);
                                for (var Ce = 0; Ce < 8; Ce++) {
                                    var Pe = Ae[Ce].x * X.x
                                      , Me = Ae[Ce].y * X.y
                                      , Ie = Ae[Ce].z * X.z
                                      , Oe = ($ = Pe * z[0] + Me * z[3] + Ie * z[6],
                                    J = Pe * z[1] + Me * z[4] + Ie * z[7],
                                    ee = Pe * z[2] + Me * z[5] + Ie * z[8],
                                    W.x + f.x * $ + _.x * J + m.x * ee)
                                      , De = W.y + f.y * $ + _.y * J + m.y * ee
                                      , Ne = W.z + f.z * $ + _.z * J + m.z * ee;
                                    xe.minimizeInPlaceFromFloats(Oe, De, Ne),
                                    Re.maximizeInPlaceFromFloats(Oe, De, Ne)
                                }
                                Te.reConstruct(xe, Re, o._worldMatrix)
                            }
                            var Le = Se.minimum.multiplyToRef(X, p[1])
                              , Fe = Se.maximum.multiplyToRef(X, p[2])
                              , we = Fe.addToRef(Le, p[3]).scaleInPlace(.5).addInPlace(j)
                              , Be = Fe.subtractToRef(Le, p[4]).scaleInPlace(.5 * this._bSphereRadiusFactor)
                              , Ue = we.subtractToRef(Be, p[1])
                              , Ve = we.addToRef(Be, p[2]);
                            Ee.reConstruct(Ue, Ve, o._worldMatrix)
                        }
                        M = C + 3,
                        D = O + 4,
                        L = N + 2
                    }
                }
                if (i) {
                    this._computeParticleColor && ((We = o.getVertexBuffer(Bi.ColorKind)) && !o.isPickable ? We.updateDirectly(a, 0) : o.updateVerticesData(Bi.ColorKind, a, !1, !1)),
                    this._computeParticleTexture && ((We = o.getVertexBuffer(Bi.UVKind)) && !o.isPickable ? We.updateDirectly(c, 0) : o.updateVerticesData(Bi.UVKind, c, !1, !1));
                    var ke = o.getVertexBuffer(Bi.PositionKind);
                    if (ke && !o.isPickable ? ke.updateDirectly(s, 0) : o.updateVerticesData(Bi.PositionKind, s, !1, !1),
                    !o.areNormalsFrozen || o.isFacetDataEnabled) {
                        if (this._computeParticleVertex || o.isFacetDataEnabled) {
                            var Ge = o.isFacetDataEnabled ? o.getFacetDataParameters() : null;
                            $n.ComputeNormals(s, u, l, Ge);
                            for (var ze = 0; ze < l.length; ze++)
                                d[ze] = l[ze]
                        }
                        var We;
                        o.areNormalsFrozen || ((We = o.getVertexBuffer(Bi.NormalKind)) && !o.isPickable ? We.updateDirectly(l, 0) : o.updateVerticesData(Bi.NormalKind, l, !1, !1))
                    }
                    if (this._depthSort && this._depthSortParticles) {
                        var He = this.depthSortedParticles;
                        He.sort(this._depthSortFunction);
                        for (var Xe = He.length, je = 0, Ye = 0, Ke = 0; Ke < Xe; Ke++) {
                            var Qe = He[Ke]
                              , qe = Qe.indicesLength
                              , Ze = Qe.ind;
                            for (ze = 0; ze < qe; ze++)
                                if (u[je] = h[Ze + ze],
                                je++,
                                this._pickable && 0 == ze % 3) {
                                    var Je = this.pickedParticles[Ye];
                                    Je.idx = Qe.idx,
                                    Je.faceId = Ye,
                                    Ye++
                                }
                        }
                        o.updateIndices(u)
                    }
                }
                return this._computeBoundingBox && (o.hasBoundingInfo ? o.getBoundingInfo().reConstruct(g, v, o._worldMatrix) : o.buildBoundingInfo(g, v, o._worldMatrix)),
                this._autoUpdateSubMeshes && this.computeSubMeshes(),
                this.afterUpdateParticles(e, t, i),
                this
            }
            ,
            e.prototype.dispose = function() {
                this.mesh.dispose(),
                this.vars = null,
                this._positions = null,
                this._indices = null,
                this._normals = null,
                this._uvs = null,
                this._colors = null,
                this._indices32 = null,
                this._positions32 = null,
                this._normals32 = null,
                this._fixedNormal32 = null,
                this._uvs32 = null,
                this._colors32 = null,
                this.pickedParticles = null,
                this.pickedBySubMesh = null,
                this._materials = null,
                this._materialIndexes = null,
                this._indicesByMaterial = null,
                this._idxOfId = null
            }
            ,
            e.prototype.pickedParticle = function(e) {
                if (e.hit) {
                    var t = e.subMeshId
                      , i = e.faceId - this.mesh.subMeshes[t].indexStart / 3
                      , n = this.pickedBySubMesh;
                    if (n[t] && n[t][i])
                        return n[t][i]
                }
                return null
            }
            ,
            e.prototype.getParticleById = function(e) {
                var t = this.particles[e];
                if (t && t.id == e)
                    return t;
                var i = this.particles
                  , n = this._idxOfId[e];
                if (void 0 !== n)
                    return i[n];
                for (var r = 0, o = this.nbParticles; r < o; ) {
                    var a = i[r];
                    if (a.id == e)
                        return a;
                    r++
                }
                return null
            }
            ,
            e.prototype.getParticlesByShapeId = function(e) {
                var t = [];
                return this.getParticlesByShapeIdToRef(e, t),
                t
            }
            ,
            e.prototype.getParticlesByShapeIdToRef = function(e, t) {
                t.length = 0;
                for (var i = 0; i < this.nbParticles; i++) {
                    var n = this.particles[i];
                    n.shapeId == e && t.push(n)
                }
                return this
            }
            ,
            e.prototype.computeSubMeshes = function() {
                if (!this.mesh || !this._multimaterialEnabled)
                    return this;
                var e = this.depthSortedParticles;
                if (this.particles.length > 0)
                    for (var t = 0; t < this.particles.length; t++) {
                        var i = this.particles[t];
                        i.materialIndex || (i.materialIndex = 0);
                        var n = e[t];
                        n.materialIndex = i.materialIndex,
                        n.ind = i._ind,
                        n.indicesLength = i._model._indicesLength,
                        n.idx = i.idx
                    }
                this._sortParticlesByMaterial();
                var r = this._indicesByMaterial
                  , o = this._materialIndexes
                  , a = this.mesh;
                a.subMeshes = [];
                for (var s = a.getTotalVertices(), l = 0; l < o.length; l++) {
                    var c = r[l]
                      , u = r[l + 1] - c
                      , h = o[l];
                    new hr(h,0,s,c,u,a)
                }
                return this
            }
            ,
            e.prototype._sortParticlesByMaterial = function() {
                var e = [0];
                this._indicesByMaterial = e;
                var t = [];
                this._materialIndexes = t;
                var i = this.depthSortedParticles;
                i.sort(this._materialSortFunction);
                var n = i.length
                  , r = this._indices32
                  , o = this._indices
                  , a = 0
                  , s = 0
                  , l = 0
                  , c = i[0].materialIndex;
                t.push(c),
                this._pickable && (this.pickedBySubMesh = [[]],
                this.pickedParticles = this.pickedBySubMesh[0]);
                for (var u = 0; u < n; u++) {
                    var h = i[u]
                      , d = h.indicesLength
                      , p = h.ind;
                    h.materialIndex !== c && (c = h.materialIndex,
                    e.push(l),
                    t.push(c),
                    this._pickable && (a++,
                    this.pickedBySubMesh[a] = [],
                    s = 0));
                    for (var f = 0, _ = 0; _ < d; _++) {
                        if (r[l] = o[p + _],
                        this._pickable && 0 == _ % 3) {
                            var m = this.pickedBySubMesh[a][s];
                            m ? (m.idx = h.idx,
                            m.faceId = f) : this.pickedBySubMesh[a][s] = {
                                idx: h.idx,
                                faceId: f
                            },
                            s++,
                            f++
                        }
                        l++
                    }
                }
                return e.push(r.length),
                this._updatable && this.mesh.updateIndices(r),
                this
            }
            ,
            e.prototype._setMaterialIndexesById = function() {
                this._materialIndexesById = {};
                for (var e = 0; e < this._materials.length; e++) {
                    var t = this._materials[e].uniqueId;
                    this._materialIndexesById[t] = e
                }
            }
            ,
            e.prototype._filterUniqueMaterialId = function(e) {
                return e.filter((function(e, t, i) {
                    return i.indexOf(e) === t
                }
                ))
            }
            ,
            e.prototype._setDefaultMaterial = function() {
                return this._defaultMaterial || (this._defaultMaterial = new Os(this.name + "DefaultMaterial",this._scene)),
                this._defaultMaterial
            }
            ,
            e.prototype.refreshVisibleSize = function() {
                return this._isVisibilityBoxLocked || this.mesh.refreshBoundingInfo(),
                this
            }
            ,
            e.prototype.setVisibilityBox = function(e) {
                var t = e / 2;
                this.mesh.buildBoundingInfo(new x(-t,-t,-t), new x(t,t,t))
            }
            ,
            Object.defineProperty(e.prototype, "isAlwaysVisible", {
                get: function() {
                    return this._alwaysVisible
                },
                set: function(e) {
                    this._alwaysVisible = e,
                    this.mesh.alwaysSelectAsActiveMesh = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isVisibilityBoxLocked", {
                get: function() {
                    return this._isVisibilityBoxLocked
                },
                set: function(e) {
                    this._isVisibilityBoxLocked = e,
                    this.mesh.getBoundingInfo().isLocked = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleRotation", {
                get: function() {
                    return this._computeParticleRotation
                },
                set: function(e) {
                    this._computeParticleRotation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleColor", {
                get: function() {
                    return this._computeParticleColor
                },
                set: function(e) {
                    this._computeParticleColor = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleTexture", {
                get: function() {
                    return this._computeParticleTexture
                },
                set: function(e) {
                    this._computeParticleTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleVertex", {
                get: function() {
                    return this._computeParticleVertex
                },
                set: function(e) {
                    this._computeParticleVertex = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeBoundingBox", {
                get: function() {
                    return this._computeBoundingBox
                },
                set: function(e) {
                    this._computeBoundingBox = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "depthSortParticles", {
                get: function() {
                    return this._depthSortParticles
                },
                set: function(e) {
                    this._depthSortParticles = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "expandable", {
                get: function() {
                    return this._expandable
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "multimaterialEnabled", {
                get: function() {
                    return this._multimaterialEnabled
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useModelMaterial", {
                get: function() {
                    return this._useModelMaterial
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "materials", {
                get: function() {
                    return this._materials
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.setMultiMaterial = function(e) {
                this._materials = this._filterUniqueMaterialId(e),
                this._setMaterialIndexesById(),
                this._multimaterial && this._multimaterial.dispose(),
                this._multimaterial = new Dr(this.name + "MultiMaterial",this._scene);
                for (var t = 0; t < this._materials.length; t++)
                    this._multimaterial.subMaterials.push(this._materials[t]);
                this.computeSubMeshes(),
                this.mesh.material = this._multimaterial
            }
            ,
            Object.defineProperty(e.prototype, "multimaterial", {
                get: function() {
                    return this._multimaterial
                },
                set: function(e) {
                    this._multimaterial = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "autoUpdateSubMeshes", {
                get: function() {
                    return this._autoUpdateSubMeshes
                },
                set: function(e) {
                    this._autoUpdateSubMeshes = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.initParticles = function() {}
            ,
            e.prototype.recycleParticle = function(e) {
                return e
            }
            ,
            e.prototype.updateParticle = function(e) {
                return e
            }
            ,
            e.prototype.updateParticleVertex = function(e, t, i) {
                return this
            }
            ,
            e.prototype.beforeUpdateParticles = function(e, t, i) {}
            ,
            e.prototype.afterUpdateParticles = function(e, t, i) {}
            ,
            e
        }(), Ay = function() {
            function e(e, t, i, n, r) {
                this.idx = 0,
                this.color = new N(1,1,1,1),
                this.position = x.Zero(),
                this.rotation = x.Zero(),
                this.uv = new A(0,0),
                this.velocity = x.Zero(),
                this.pivot = x.Zero(),
                this.translateFromPivot = !1,
                this._pos = 0,
                this._ind = 0,
                this.groupId = 0,
                this.idxInGroup = 0,
                this._stillInvisible = !1,
                this._rotationMatrix = [1, 0, 0, 0, 1, 0, 0, 0, 1],
                this.parentId = null,
                this._globalPosition = x.Zero(),
                this.idx = e,
                this._group = t,
                this.groupId = i,
                this.idxInGroup = n,
                this._pcs = r
            }
            return Object.defineProperty(e.prototype, "size", {
                get: function() {
                    return this.size
                },
                set: function(e) {
                    this.size = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "quaternion", {
                get: function() {
                    return this.rotationQuaternion
                },
                set: function(e) {
                    this.rotationQuaternion = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.intersectsMesh = function(e, t) {
                if (!e.hasBoundingInfo)
                    return !1;
                if (t = t || !1)
                    return e.getBoundingInfo().boundingSphere.intersectsPoint(this.position.add(this._pcs.mesh.position));
                var i, n, r, o, a, s;
                i = e.getBoundingInfo().boundingBox.maximumWorld.x,
                n = e.getBoundingInfo().boundingBox.minimumWorld.x,
                r = e.getBoundingInfo().boundingBox.maximumWorld.y,
                o = e.getBoundingInfo().boundingBox.minimumWorld.y,
                a = e.getBoundingInfo().boundingBox.maximumWorld.z,
                s = e.getBoundingInfo().boundingBox.minimumWorld.z;
                var l = this.position.x + this._pcs.mesh.position.x
                  , c = this.position.y + this._pcs.mesh.position.y
                  , u = this.position.z + this._pcs.mesh.position.z;
                return n <= l && l <= i && o <= c && c <= r && s <= u && u <= a
            }
            ,
            e.prototype.getRotationMatrix = function(e) {
                var t;
                if (this.rotationQuaternion)
                    t = this.rotationQuaternion;
                else {
                    t = I.Quaternion[0];
                    var i = this.rotation;
                    C.RotationYawPitchRollToRef(i.y, i.x, i.z, t)
                }
                t.toRotationMatrix(e)
            }
            ,
            e
        }(), xy = function() {
            function e(e, t) {
                this.groupId = e,
                this._positionFunction = t
            }
            return Object.defineProperty(e.prototype, "groupID", {
                get: function() {
                    return this.groupId
                },
                set: function(e) {
                    this.groupId = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }();
        !function(e) {
            e[e.Color = 2] = "Color",
            e[e.UV = 1] = "UV",
            e[e.Random = 0] = "Random",
            e[e.Stated = 3] = "Stated"
        }(vy || (vy = {}));
        var Ry = function() {
            function e(e, t, i, n) {
                this.particles = new Array,
                this.nbParticles = 0,
                this.counter = 0,
                this.vars = {},
                this._promises = [],
                this._positions = new Array,
                this._indices = new Array,
                this._normals = new Array,
                this._colors = new Array,
                this._uvs = new Array,
                this._updatable = !0,
                this._isVisibilityBoxLocked = !1,
                this._alwaysVisible = !1,
                this._groups = new Array,
                this._groupCounter = 0,
                this._computeParticleColor = !0,
                this._computeParticleTexture = !0,
                this._computeParticleRotation = !0,
                this._computeBoundingBox = !1,
                this._isReady = !1,
                this.name = e,
                this._size = t,
                this._scene = i || E.LastCreatedScene,
                n && void 0 !== n.updatable ? this._updatable = n.updatable : this._updatable = !0
            }
            return e.prototype.buildMeshAsync = function(e) {
                var t = this;
                return Promise.all(this._promises).then((function() {
                    return t._isReady = !0,
                    t._buildMesh(e)
                }
                ))
            }
            ,
            e.prototype._buildMesh = function(e) {
                0 === this.nbParticles && this.addPoints(1),
                this._positions32 = new Float32Array(this._positions),
                this._uvs32 = new Float32Array(this._uvs),
                this._colors32 = new Float32Array(this._colors);
                var t = new $n;
                t.set(this._positions32, Bi.PositionKind),
                this._uvs32.length > 0 && t.set(this._uvs32, Bi.UVKind);
                var i = 0;
                this._colors32.length > 0 && (i = 1,
                t.set(this._colors32, Bi.ColorKind));
                var n = new Vr(this.name,this._scene);
                t.applyToMesh(n, this._updatable),
                this.mesh = n,
                this._positions = null,
                this._uvs = null,
                this._colors = null,
                this._updatable || (this.particles.length = 0);
                var r = e;
                return r || ((r = new Os("point cloud material",this._scene)).emissiveColor = new D(i,i,i),
                r.disableLighting = !0,
                r.pointsCloud = !0,
                r.pointSize = this._size),
                n.material = r,
                new Promise((function(e) {
                    return e(n)
                }
                ))
            }
            ,
            e.prototype._addParticle = function(e, t, i, n) {
                var r = new Ay(e,t,i,n,this);
                return this.particles.push(r),
                r
            }
            ,
            e.prototype._randomUnitVector = function(e) {
                e.position = new x(Math.random(),Math.random(),Math.random()),
                e.color = new N(1,1,1,1)
            }
            ,
            e.prototype._getColorIndicesForCoord = function(e, t, i, n) {
                var r = e._groupImageData
                  , o = i * (4 * n) + 4 * t
                  , a = [o, o + 1, o + 2, o + 3]
                  , s = a[1]
                  , l = a[2]
                  , c = a[3]
                  , u = r[a[0]]
                  , h = r[s]
                  , d = r[l]
                  , p = r[c];
                return new N(u / 255,h / 255,d / 255,p)
            }
            ,
            e.prototype._setPointsColorOrUV = function(e, t, i, n, r, o, a) {
                i && e.updateFacetData();
                var s = 2 * e.getBoundingInfo().boundingSphere.radius
                  , l = e.getVerticesData(Bi.PositionKind)
                  , c = e.getIndices()
                  , u = e.getVerticesData(Bi.UVKind)
                  , h = e.getVerticesData(Bi.ColorKind)
                  , p = x.Zero();
                e.computeWorldMatrix();
                var f = e.getWorldMatrix();
                if (!f.isIdentity()) {
                    l = l.slice(0);
                    for (var _ = 0; _ < l.length / 3; _++)
                        x.TransformCoordinatesFromFloatsToRef(l[3 * _], l[3 * _ + 1], l[3 * _ + 2], f, p),
                        l[3 * _] = p.x,
                        l[3 * _ + 1] = p.y,
                        l[3 * _ + 2] = p.z
                }
                var m, g, v = 0, y = 0, b = 0, T = 0, E = 0, S = 0, C = 0, P = 0, M = 0, I = 0, O = 0, L = 0, F = 0, w = x.Zero(), B = x.Zero(), U = x.Zero(), V = x.Zero(), k = x.Zero(), G = 0, z = 0, W = 0, H = 0, X = 0, j = 0, Y = A.Zero(), K = A.Zero(), Q = A.Zero(), q = A.Zero(), Z = A.Zero(), J = 0, $ = 0, ee = 0, te = 0, ie = 0, ne = 0, re = 0, oe = 0, ae = 0, se = 0, le = 0, ce = 0, ue = R.Zero(), he = R.Zero(), de = R.Zero(), pe = R.Zero(), fe = R.Zero(), _e = 0, me = 0;
                a = a || 0;
                for (var ge, ve = new R(0,0,0,0), ye = x.Zero(), be = x.Zero(), Te = x.Zero(), Ee = 0, Se = x.Zero(), Ae = 0, xe = 0, Re = new _o(x.Zero(),new x(1,0,0)), Ce = x.Zero(), Pe = 0; Pe < c.length / 3; Pe++) {
                    y = c[3 * Pe],
                    b = c[3 * Pe + 1],
                    T = c[3 * Pe + 2],
                    E = l[3 * y],
                    S = l[3 * y + 1],
                    C = l[3 * y + 2],
                    P = l[3 * b],
                    M = l[3 * b + 1],
                    I = l[3 * b + 2],
                    O = l[3 * T],
                    L = l[3 * T + 1],
                    F = l[3 * T + 2],
                    w.set(E, S, C),
                    B.set(P, M, I),
                    U.set(O, L, F),
                    B.subtractToRef(w, V),
                    U.subtractToRef(B, k),
                    u && (G = u[2 * y],
                    z = u[2 * y + 1],
                    W = u[2 * b],
                    H = u[2 * b + 1],
                    X = u[2 * T],
                    j = u[2 * T + 1],
                    Y.set(G, z),
                    K.set(W, H),
                    Q.set(X, j),
                    K.subtractToRef(Y, q),
                    Q.subtractToRef(K, Z)),
                    h && n && (J = h[4 * y],
                    $ = h[4 * y + 1],
                    ee = h[4 * y + 2],
                    te = h[4 * y + 3],
                    ie = h[4 * b],
                    ne = h[4 * b + 1],
                    re = h[4 * b + 2],
                    oe = h[4 * b + 3],
                    ae = h[4 * T],
                    se = h[4 * T + 1],
                    le = h[4 * T + 2],
                    ce = h[4 * T + 3],
                    ue.set(J, $, ee, te),
                    he.set(ie, ne, re, oe),
                    de.set(ae, se, le, ce),
                    he.subtractToRef(ue, pe),
                    de.subtractToRef(he, fe));
                    for (var Me = void 0, Ie = void 0, Oe = void 0, De = void 0, Ne = void 0, Le = void 0, Fe = void 0, we = void 0, Be = new D(0,0,0), Ue = new D(0,0,0), Ve = void 0, ke = void 0, Ge = 0; Ge < t._groupDensity[Pe]; Ge++)
                        v = this.particles.length,
                        this._addParticle(v, t, this._groupCounter, Pe + Ge),
                        ke = this.particles[v],
                        _e = d.RandomRange(0, 1),
                        me = d.RandomRange(0, 1),
                        m = w.add(V.scale(_e)).add(k.scale(_e * me)),
                        i && (ye = e.getFacetNormal(Pe).normalize().scale(-1),
                        be = V.clone().normalize(),
                        Te = x.Cross(ye, be),
                        Ee = d.RandomRange(0, 2 * Math.PI),
                        Se = be.scale(Math.cos(Ee)).add(Te.scale(Math.sin(Ee))),
                        Ee = d.RandomRange(.1, Math.PI / 2),
                        Ce = Se.scale(Math.cos(Ee)).add(ye.scale(Math.sin(Ee))),
                        Re.origin = m.add(Ce.scale(1e-5)),
                        Re.direction = Ce,
                        Re.length = s,
                        (ge = Re.intersectsMesh(e)).hit && (xe = ge.pickedPoint.subtract(m).length(),
                        Ae = d.RandomRange(0, 1) * xe,
                        m.addInPlace(Ce.scale(Ae)))),
                        ke.position = m.clone(),
                        this._positions.push(ke.position.x, ke.position.y, ke.position.z),
                        void 0 !== n ? u && (g = Y.add(q.scale(_e)).add(Z.scale(_e * me)),
                        n ? r && null !== t._groupImageData ? (Me = t._groupImgWidth,
                        Ie = t._groupImgHeight,
                        Ve = this._getColorIndicesForCoord(t, Math.round(g.x * Me), Math.round(g.y * Ie), Me),
                        ke.color = Ve,
                        this._colors.push(Ve.r, Ve.g, Ve.b, Ve.a)) : h ? (ve = ue.add(pe.scale(_e)).add(fe.scale(_e * me)),
                        ke.color = new N(ve.x,ve.y,ve.z,ve.w),
                        this._colors.push(ve.x, ve.y, ve.z, ve.w)) : (ve = ue.set(Math.random(), Math.random(), Math.random(), 1),
                        ke.color = new N(ve.x,ve.y,ve.z,ve.w),
                        this._colors.push(ve.x, ve.y, ve.z, ve.w)) : (ke.uv = g.clone(),
                        this._uvs.push(ke.uv.x, ke.uv.y))) : (o ? (Be.set(o.r, o.g, o.b),
                        Oe = d.RandomRange(-a, a),
                        De = d.RandomRange(-a, a),
                        Ne = (we = Be.toHSV()).r,
                        (Le = we.g + Oe) < 0 && (Le = 0),
                        Le > 1 && (Le = 1),
                        (Fe = we.b + De) < 0 && (Fe = 0),
                        Fe > 1 && (Fe = 1),
                        D.HSVtoRGBToRef(Ne, Le, Fe, Ue),
                        ve.set(Ue.r, Ue.g, Ue.b, 1)) : ve = ue.set(Math.random(), Math.random(), Math.random(), 1),
                        ke.color = new N(ve.x,ve.y,ve.z,ve.w),
                        this._colors.push(ve.x, ve.y, ve.z, ve.w))
                }
            }
            ,
            e.prototype._colorFromTexture = function(e, t, i) {
                var n = this;
                if (null === e.material)
                    return K.Warn(e.name + "has no material."),
                    t._groupImageData = null,
                    void this._setPointsColorOrUV(e, t, i, !0, !1);
                var r = e.material.getActiveTextures();
                if (0 === r.length)
                    return K.Warn(e.name + "has no usable texture."),
                    t._groupImageData = null,
                    void this._setPointsColorOrUV(e, t, i, !0, !1);
                var o = e.clone();
                o.setEnabled(!1),
                this._promises.push(new Promise((function(e) {
                    Zr.WhenAllReady(r, (function() {
                        var a = t._textureNb;
                        a < 0 && (a = 0),
                        a > r.length - 1 && (a = r.length - 1);
                        var s = function() {
                            t._groupImgWidth = r[a].getSize().width,
                            t._groupImgHeight = r[a].getSize().height,
                            n._setPointsColorOrUV(o, t, i, !0, !0),
                            o.dispose(),
                            e()
                        };
                        t._groupImageData = null;
                        var l = r[a].readPixels();
                        l ? l.then((function(e) {
                            t._groupImageData = e,
                            s()
                        }
                        )) : s()
                    }
                    ))
                }
                )))
            }
            ,
            e.prototype._calculateDensity = function(e, t, i) {
                for (var n, r, o, a, s, l, c, u, h, d, p, f, _, m, g, v, y, b = new Array, T = x.Zero(), E = x.Zero(), S = x.Zero(), A = x.Zero(), R = x.Zero(), C = x.Zero(), P = new Array, M = 0, I = i.length / 3, O = 0; O < I; O++)
                    n = i[3 * O],
                    r = i[3 * O + 1],
                    o = i[3 * O + 2],
                    a = t[3 * n],
                    s = t[3 * n + 1],
                    l = t[3 * n + 2],
                    c = t[3 * r],
                    u = t[3 * r + 1],
                    h = t[3 * r + 2],
                    d = t[3 * o],
                    p = t[3 * o + 1],
                    f = t[3 * o + 2],
                    T.set(a, s, l),
                    E.set(c, u, h),
                    S.set(d, p, f),
                    E.subtractToRef(T, A),
                    S.subtractToRef(E, R),
                    S.subtractToRef(T, C),
                    v = ((_ = A.length()) + (m = R.length()) + (g = C.length())) / 2,
                    M += y = Math.sqrt(v * (v - _) * (v - m) * (v - g)),
                    P[O] = y;
                var D = 0;
                for (O = 0; O < I; O++)
                    b[O] = Math.floor(e * P[O] / M),
                    D += b[O];
                var N = e - D
                  , L = Math.floor(N / I)
                  , F = N % I;
                for (L > 0 && (b = b.map((function(e) {
                    return e + L
                }
                ))),
                O = 0; O < F; O++)
                    b[O] += 1;
                return b
            }
            ,
            e.prototype.addPoints = function(e, t) {
                void 0 === t && (t = this._randomUnitVector);
                for (var i, n = new xy(this._groupCounter,t), r = this.nbParticles, o = 0; o < e; o++)
                    i = this._addParticle(r, n, this._groupCounter, o),
                    n && n._positionFunction && n._positionFunction(i, r, o),
                    this._positions.push(i.position.x, i.position.y, i.position.z),
                    i.color && this._colors.push(i.color.r, i.color.g, i.color.b, i.color.a),
                    i.uv && this._uvs.push(i.uv.x, i.uv.y),
                    r++;
                return this.nbParticles += e,
                this._groupCounter++,
                this._groupCounter
            }
            ,
            e.prototype.addSurfacePoints = function(e, t, i, n, r) {
                var o = i || vy.Random;
                (isNaN(o) || o < 0 || o > 3) && (o = vy.Random);
                var a = e.getVerticesData(Bi.PositionKind)
                  , s = e.getIndices();
                this._groups.push(this._groupCounter);
                var l = new xy(this._groupCounter,null);
                switch (l._groupDensity = this._calculateDensity(t, a, s),
                o === vy.Color ? l._textureNb = n || 0 : n = n || new N(1,1,1,1),
                o) {
                case vy.Color:
                    this._colorFromTexture(e, l, !1);
                    break;
                case vy.UV:
                    this._setPointsColorOrUV(e, l, !1, !1, !1);
                    break;
                case vy.Random:
                    this._setPointsColorOrUV(e, l, !1);
                    break;
                case vy.Stated:
                    this._setPointsColorOrUV(e, l, !1, void 0, void 0, n, r)
                }
                return this.nbParticles += t,
                this._groupCounter++,
                this._groupCounter - 1
            }
            ,
            e.prototype.addVolumePoints = function(e, t, i, n, r) {
                var o = i || vy.Random;
                (isNaN(o) || o < 0 || o > 3) && (o = vy.Random);
                var a = e.getVerticesData(Bi.PositionKind)
                  , s = e.getIndices();
                this._groups.push(this._groupCounter);
                var l = new xy(this._groupCounter,null);
                switch (l._groupDensity = this._calculateDensity(t, a, s),
                o === vy.Color ? l._textureNb = n || 0 : n = n || new N(1,1,1,1),
                o) {
                case vy.Color:
                    this._colorFromTexture(e, l, !0);
                    break;
                case vy.UV:
                    this._setPointsColorOrUV(e, l, !0, !1, !1);
                    break;
                case vy.Random:
                    this._setPointsColorOrUV(e, l, !0);
                    break;
                case vy.Stated:
                    this._setPointsColorOrUV(e, l, !0, void 0, void 0, n, r)
                }
                return this.nbParticles += t,
                this._groupCounter++,
                this._groupCounter - 1
            }
            ,
            e.prototype.setParticles = function(e, t, i) {
                if (void 0 === e && (e = 0),
                void 0 === t && (t = this.nbParticles - 1),
                void 0 === i && (i = !0),
                !this._updatable || !this._isReady)
                    return this;
                this.beforeUpdateParticles(e, t, i);
                var n = I.Matrix[0]
                  , r = this.mesh
                  , o = this._colors32
                  , a = this._positions32
                  , s = this._uvs32
                  , l = I.Vector3
                  , c = l[5].copyFromFloats(1, 0, 0)
                  , u = l[6].copyFromFloats(0, 1, 0)
                  , h = l[7].copyFromFloats(0, 0, 1)
                  , d = l[8].setAll(Number.MAX_VALUE)
                  , p = l[9].setAll(-Number.MAX_VALUE);
                P.IdentityToRef(n);
                var f = 0;
                if (this.mesh.isFacetDataEnabled && (this._computeBoundingBox = !0),
                t = t >= this.nbParticles ? this.nbParticles - 1 : t,
                this._computeBoundingBox && (0 != e || t != this.nbParticles - 1)) {
                    var _ = this.mesh.getBoundingInfo();
                    _ && (d.copyFrom(_.minimum),
                    p.copyFrom(_.maximum))
                }
                f = 0;
                for (var m = 0, g = 0, v = 0, y = e; y <= t; y++) {
                    var b = this.particles[y];
                    m = 3 * (f = b.idx),
                    g = 4 * f,
                    v = 2 * f,
                    this.updateParticle(b);
                    var T = b._rotationMatrix
                      , E = b.position
                      , S = b._globalPosition;
                    if (this._computeParticleRotation && b.getRotationMatrix(n),
                    null !== b.parentId) {
                        var A = this.particles[b.parentId]
                          , x = A._rotationMatrix
                          , R = A._globalPosition
                          , C = E.x * x[1] + E.y * x[4] + E.z * x[7]
                          , M = E.x * x[0] + E.y * x[3] + E.z * x[6]
                          , O = E.x * x[2] + E.y * x[5] + E.z * x[8];
                        if (S.x = R.x + M,
                        S.y = R.y + C,
                        S.z = R.z + O,
                        this._computeParticleRotation) {
                            var D = n.m;
                            T[0] = D[0] * x[0] + D[1] * x[3] + D[2] * x[6],
                            T[1] = D[0] * x[1] + D[1] * x[4] + D[2] * x[7],
                            T[2] = D[0] * x[2] + D[1] * x[5] + D[2] * x[8],
                            T[3] = D[4] * x[0] + D[5] * x[3] + D[6] * x[6],
                            T[4] = D[4] * x[1] + D[5] * x[4] + D[6] * x[7],
                            T[5] = D[4] * x[2] + D[5] * x[5] + D[6] * x[8],
                            T[6] = D[8] * x[0] + D[9] * x[3] + D[10] * x[6],
                            T[7] = D[8] * x[1] + D[9] * x[4] + D[10] * x[7],
                            T[8] = D[8] * x[2] + D[9] * x[5] + D[10] * x[8]
                        }
                    } else
                        S.x = 0,
                        S.y = 0,
                        S.z = 0,
                        this._computeParticleRotation && (D = n.m,
                        T[0] = D[0],
                        T[1] = D[1],
                        T[2] = D[2],
                        T[3] = D[4],
                        T[4] = D[5],
                        T[5] = D[6],
                        T[6] = D[8],
                        T[7] = D[9],
                        T[8] = D[10]);
                    var N = l[11];
                    b.translateFromPivot ? N.setAll(0) : N.copyFrom(b.pivot);
                    var L = l[0];
                    L.copyFrom(b.position);
                    var F = L.x - b.pivot.x
                      , w = L.y - b.pivot.y
                      , B = L.z - b.pivot.z
                      , U = F * T[0] + w * T[3] + B * T[6]
                      , V = F * T[1] + w * T[4] + B * T[7]
                      , k = F * T[2] + w * T[5] + B * T[8];
                    U += N.x,
                    V += N.y,
                    k += N.z;
                    var G = a[m] = S.x + c.x * U + u.x * V + h.x * k
                      , z = a[m + 1] = S.y + c.y * U + u.y * V + h.y * k
                      , W = a[m + 2] = S.z + c.z * U + u.z * V + h.z * k;
                    if (this._computeBoundingBox && (d.minimizeInPlaceFromFloats(G, z, W),
                    p.maximizeInPlaceFromFloats(G, z, W)),
                    this._computeParticleColor && b.color) {
                        var H = b.color
                          , X = this._colors32;
                        X[g] = H.r,
                        X[g + 1] = H.g,
                        X[g + 2] = H.b,
                        X[g + 3] = H.a
                    }
                    if (this._computeParticleTexture && b.uv) {
                        var j = b.uv
                          , Y = this._uvs32;
                        Y[v] = j.x,
                        Y[v + 1] = j.y
                    }
                }
                return i && (this._computeParticleColor && r.updateVerticesData(Bi.ColorKind, o, !1, !1),
                this._computeParticleTexture && r.updateVerticesData(Bi.UVKind, s, !1, !1),
                r.updateVerticesData(Bi.PositionKind, a, !1, !1)),
                this._computeBoundingBox && (r.hasBoundingInfo ? r.getBoundingInfo().reConstruct(d, p, r._worldMatrix) : r.buildBoundingInfo(d, p, r._worldMatrix)),
                this.afterUpdateParticles(e, t, i),
                this
            }
            ,
            e.prototype.dispose = function() {
                this.mesh.dispose(),
                this.vars = null,
                this._positions = null,
                this._indices = null,
                this._normals = null,
                this._uvs = null,
                this._colors = null,
                this._indices32 = null,
                this._positions32 = null,
                this._uvs32 = null,
                this._colors32 = null
            }
            ,
            e.prototype.refreshVisibleSize = function() {
                return this._isVisibilityBoxLocked || this.mesh.refreshBoundingInfo(),
                this
            }
            ,
            e.prototype.setVisibilityBox = function(e) {
                var t = e / 2;
                this.mesh.buildBoundingInfo(new x(-t,-t,-t), new x(t,t,t))
            }
            ,
            Object.defineProperty(e.prototype, "isAlwaysVisible", {
                get: function() {
                    return this._alwaysVisible
                },
                set: function(e) {
                    this._alwaysVisible = e,
                    this.mesh.alwaysSelectAsActiveMesh = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleRotation", {
                set: function(e) {
                    this._computeParticleRotation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleColor", {
                get: function() {
                    return this._computeParticleColor
                },
                set: function(e) {
                    this._computeParticleColor = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeParticleTexture", {
                get: function() {
                    return this._computeParticleTexture
                },
                set: function(e) {
                    this._computeParticleTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "computeBoundingBox", {
                get: function() {
                    return this._computeBoundingBox
                },
                set: function(e) {
                    this._computeBoundingBox = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.initParticles = function() {}
            ,
            e.prototype.recycleParticle = function(e) {
                return e
            }
            ,
            e.prototype.updateParticle = function(e) {
                return e
            }
            ,
            e.prototype.beforeUpdateParticles = function(e, t, i) {}
            ,
            e.prototype.afterUpdateParticles = function(e, t, i) {}
            ,
            e
        }();
        mn.prototype.getPhysicsEngine = function() {
            return this._physicsEngine
        }
        ,
        mn.prototype.enablePhysics = function(e, t) {
            if (void 0 === e && (e = null),
            this._physicsEngine)
                return !0;
            var i = this._getComponent(Wi.NAME_PHYSICSENGINE);
            i || (i = new My(this),
            this._addComponent(i));
            try {
                return this._physicsEngine = new R_(e,t),
                this._physicsTimeAccumulator = 0,
                !0
            } catch (e) {
                return K.Error(e.message),
                !1
            }
        }
        ,
        mn.prototype.disablePhysicsEngine = function() {
            this._physicsEngine && (this._physicsEngine.dispose(),
            this._physicsEngine = null)
        }
        ,
        mn.prototype.isPhysicsEnabled = function() {
            return void 0 !== this._physicsEngine
        }
        ,
        mn.prototype.deleteCompoundImpostor = function(e) {
            var t = e.parts[0].mesh;
            t.physicsImpostor && (t.physicsImpostor.dispose(),
            t.physicsImpostor = null)
        }
        ,
        mn.prototype._advancePhysicsEngineStep = function(e) {
            if (this._physicsEngine) {
                var t = this._physicsEngine.getSubTimeStep();
                if (t > 0)
                    for (this._physicsTimeAccumulator += e; this._physicsTimeAccumulator > t; )
                        this.onBeforePhysicsObservable.notifyObservers(this),
                        this._physicsEngine._step(t / 1e3),
                        this.onAfterPhysicsObservable.notifyObservers(this),
                        this._physicsTimeAccumulator -= t;
                else
                    this.onBeforePhysicsObservable.notifyObservers(this),
                    this._physicsEngine._step(e / 1e3),
                    this.onAfterPhysicsObservable.notifyObservers(this)
            }
        }
        ,
        Object.defineProperty(Sr.prototype, "physicsImpostor", {
            get: function() {
                return this._physicsImpostor
            },
            set: function(e) {
                var t = this;
                this._physicsImpostor !== e && (this._disposePhysicsObserver && this.onDisposeObservable.remove(this._disposePhysicsObserver),
                this._physicsImpostor = e,
                e && (this._disposePhysicsObserver = this.onDisposeObservable.add((function() {
                    t.physicsImpostor && (t.physicsImpostor.dispose(),
                    t.physicsImpostor = null)
                }
                ))))
            },
            enumerable: !0,
            configurable: !0
        }),
        Sr.prototype.getPhysicsImpostor = function() {
            return this.physicsImpostor
        }
        ,
        Sr.prototype.applyImpulse = function(e, t) {
            return this.physicsImpostor ? (this.physicsImpostor.applyImpulse(e, t),
            this) : this
        }
        ,
        Sr.prototype.setPhysicsLinkWith = function(e, t, i, n) {
            return this.physicsImpostor && e.physicsImpostor ? (this.physicsImpostor.createJoint(e.physicsImpostor, Ll.HingeJoint, {
                mainPivot: t,
                connectedPivot: i,
                nativeParams: n
            }),
            this) : this
        }
        ;
        var Cy, Py, My = function() {
            function e(e) {
                var t = this;
                this.name = Wi.NAME_PHYSICSENGINE,
                this.scene = e,
                this.scene.onBeforePhysicsObservable = new h,
                this.scene.onAfterPhysicsObservable = new h,
                this.scene.getDeterministicFrameTime = function() {
                    return t.scene._physicsEngine ? 1e3 * t.scene._physicsEngine.getTimeStep() : 1e3 / 60
                }
            }
            return e.prototype.register = function() {}
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                this.scene.onBeforePhysicsObservable.clear(),
                this.scene.onAfterPhysicsObservable.clear(),
                this.scene._physicsEngine && this.scene.disablePhysicsEngine()
            }
            ,
            e
        }(), Iy = function() {
            function e(e) {
                this._scene = e,
                this._physicsEngine = this._scene.getPhysicsEngine(),
                this._physicsEngine || K.Warn("Physics engine not enabled. Please enable the physics before you can use the methods.")
            }
            return e.prototype.applyRadialExplosionImpulse = function(e, t, i, n) {
                if (!this._physicsEngine)
                    return K.Warn("Physics engine not enabled. Please enable the physics before you call this method."),
                    null;
                var r = this._physicsEngine.getImpostors();
                if (0 === r.length)
                    return null;
                "number" == typeof t && ((t = new Fy).radius = t,
                t.strength = i || t.strength,
                t.falloff = n || t.falloff);
                var o = new Oy(this._scene,t)
                  , a = Array();
                return r.forEach((function(t) {
                    var i = o.getImpostorHitData(t, e);
                    i && (t.applyImpulse(i.force, i.contactPoint),
                    a.push({
                        impostor: t,
                        hitData: i
                    }))
                }
                )),
                o.triggerAffectedImpostorsCallback(a),
                o.dispose(!1),
                o
            }
            ,
            e.prototype.applyRadialExplosionForce = function(e, t, i, n) {
                if (!this._physicsEngine)
                    return K.Warn("Physics engine not enabled. Please enable the physics before you call the PhysicsHelper."),
                    null;
                var r = this._physicsEngine.getImpostors();
                if (0 === r.length)
                    return null;
                "number" == typeof t && ((t = new Fy).radius = t,
                t.strength = i || t.strength,
                t.falloff = n || t.falloff);
                var o = new Oy(this._scene,t)
                  , a = Array();
                return r.forEach((function(t) {
                    var i = o.getImpostorHitData(t, e);
                    i && (t.applyForce(i.force, i.contactPoint),
                    a.push({
                        impostor: t,
                        hitData: i
                    }))
                }
                )),
                o.triggerAffectedImpostorsCallback(a),
                o.dispose(!1),
                o
            }
            ,
            e.prototype.gravitationalField = function(e, t, i, n) {
                if (!this._physicsEngine)
                    return K.Warn("Physics engine not enabled. Please enable the physics before you call the PhysicsHelper."),
                    null;
                if (0 === this._physicsEngine.getImpostors().length)
                    return null;
                "number" == typeof t && ((t = new Fy).radius = t,
                t.strength = i || t.strength,
                t.falloff = n || t.falloff);
                var r = new Dy(this,this._scene,e,t);
                return r.dispose(!1),
                r
            }
            ,
            e.prototype.updraft = function(e, t, i, n, r) {
                if (!this._physicsEngine)
                    return K.Warn("Physics engine not enabled. Please enable the physics before you call the PhysicsHelper."),
                    null;
                if (0 === this._physicsEngine.getImpostors().length)
                    return null;
                "number" == typeof t && ((t = new wy).radius = t,
                t.strength = i || t.strength,
                t.height = n || t.height,
                t.updraftMode = r || t.updraftMode);
                var o = new Ny(this._scene,e,t);
                return o.dispose(!1),
                o
            }
            ,
            e.prototype.vortex = function(e, t, i, n) {
                if (!this._physicsEngine)
                    return K.Warn("Physics engine not enabled. Please enable the physics before you call the PhysicsHelper."),
                    null;
                if (0 === this._physicsEngine.getImpostors().length)
                    return null;
                "number" == typeof t && ((t = new By).radius = t,
                t.strength = i || t.strength,
                t.height = n || t.height);
                var r = new Ly(this._scene,e,t);
                return r.dispose(!1),
                r
            }
            ,
            e
        }(), Oy = function() {
            function e(e, t) {
                this._scene = e,
                this._options = t,
                this._dataFetched = !1,
                this._options = V(V({}, new Fy), this._options)
            }
            return e.prototype.getData = function() {
                return this._dataFetched = !0,
                {
                    sphere: this._sphere
                }
            }
            ,
            e.prototype.getImpostorHitData = function(e, t) {
                if (0 === e.mass)
                    return null;
                if (!this._intersectsWithSphere(e, t, this._options.radius))
                    return null;
                if ("Mesh" !== e.object.getClassName() && "InstancedMesh" !== e.object.getClassName())
                    return null;
                var i = e.getObjectCenter().subtract(t)
                  , n = new _o(t,i,this._options.radius).intersectsMesh(e.object).pickedPoint;
                if (!n)
                    return null;
                var r = x.Distance(t, n);
                if (r > this._options.radius)
                    return null;
                var o = this._options.falloff === Cy.Constant ? this._options.strength : this._options.strength * (1 - r / this._options.radius);
                return {
                    force: i.multiplyByFloats(o, o, o),
                    contactPoint: n,
                    distanceFromOrigin: r
                }
            }
            ,
            e.prototype.triggerAffectedImpostorsCallback = function(e) {
                this._options.affectedImpostorsCallback && this._options.affectedImpostorsCallback(e)
            }
            ,
            e.prototype.dispose = function(e) {
                var t = this;
                void 0 === e && (e = !0),
                e ? this._sphere.dispose() : setTimeout((function() {
                    t._dataFetched || t._sphere.dispose()
                }
                ), 0)
            }
            ,
            e.prototype._prepareSphere = function() {
                this._sphere || (this._sphere = Dl("radialExplosionEventSphere", this._options.sphere, this._scene),
                this._sphere.isVisible = !1)
            }
            ,
            e.prototype._intersectsWithSphere = function(e, t, i) {
                var n = e.object;
                return this._prepareSphere(),
                this._sphere.position = t,
                this._sphere.scaling = new x(2 * i,2 * i,2 * i),
                this._sphere._updateBoundingInfo(),
                this._sphere.computeWorldMatrix(!0),
                this._sphere.intersectsMesh(n, !0)
            }
            ,
            e
        }(), Dy = function() {
            function e(e, t, i, n) {
                this._physicsHelper = e,
                this._scene = t,
                this._origin = i,
                this._options = n,
                this._dataFetched = !1,
                this._options = V(V({}, new Fy), this._options),
                this._tickCallback = this._tick.bind(this),
                this._options.strength = -1 * this._options.strength
            }
            return e.prototype.getData = function() {
                return this._dataFetched = !0,
                {
                    sphere: this._sphere
                }
            }
            ,
            e.prototype.enable = function() {
                this._tickCallback.call(this),
                this._scene.registerBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.disable = function() {
                this._scene.unregisterBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.dispose = function(e) {
                var t = this;
                void 0 === e && (e = !0),
                e ? this._sphere.dispose() : setTimeout((function() {
                    t._dataFetched || t._sphere.dispose()
                }
                ), 0)
            }
            ,
            e.prototype._tick = function() {
                if (this._sphere)
                    this._physicsHelper.applyRadialExplosionForce(this._origin, this._options);
                else {
                    var e = this._physicsHelper.applyRadialExplosionForce(this._origin, this._options);
                    e && (this._sphere = e.getData().sphere.clone("radialExplosionEventSphereClone"))
                }
            }
            ,
            e
        }(), Ny = function() {
            function e(e, t, i) {
                this._scene = e,
                this._origin = t,
                this._options = i,
                this._originTop = x.Zero(),
                this._originDirection = x.Zero(),
                this._cylinderPosition = x.Zero(),
                this._dataFetched = !1,
                this._physicsEngine = this._scene.getPhysicsEngine(),
                this._options = V(V({}, new wy), this._options),
                this._origin.addToRef(new x(0,this._options.height / 2,0), this._cylinderPosition),
                this._origin.addToRef(new x(0,this._options.height,0), this._originTop),
                this._options.updraftMode === Py.Perpendicular && (this._originDirection = this._origin.subtract(this._originTop).normalize()),
                this._tickCallback = this._tick.bind(this),
                this._prepareCylinder()
            }
            return e.prototype.getData = function() {
                return this._dataFetched = !0,
                {
                    cylinder: this._cylinder
                }
            }
            ,
            e.prototype.enable = function() {
                this._tickCallback.call(this),
                this._scene.registerBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.disable = function() {
                this._scene.unregisterBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.dispose = function(e) {
                var t = this;
                void 0 === e && (e = !0),
                this._cylinder && (e ? this._cylinder.dispose() : setTimeout((function() {
                    t._dataFetched || t._cylinder.dispose()
                }
                ), 0))
            }
            ,
            e.prototype._getImpostorHitData = function(e) {
                if (0 === e.mass)
                    return null;
                if (!this._intersectsWithCylinder(e))
                    return null;
                var t, i = e.getObjectCenter();
                t = this._options.updraftMode === Py.Perpendicular ? this._originDirection : i.subtract(this._originTop);
                var n = x.Distance(this._origin, i)
                  , r = -1 * this._options.strength;
                return {
                    force: t.multiplyByFloats(r, r, r),
                    contactPoint: i,
                    distanceFromOrigin: n
                }
            }
            ,
            e.prototype._tick = function() {
                var e = this;
                this._physicsEngine.getImpostors().forEach((function(t) {
                    var i = e._getImpostorHitData(t);
                    i && t.applyForce(i.force, i.contactPoint)
                }
                ))
            }
            ,
            e.prototype._prepareCylinder = function() {
                this._cylinder || (this._cylinder = Ys("updraftEventCylinder", {
                    height: this._options.height,
                    diameter: 2 * this._options.radius
                }, this._scene),
                this._cylinder.isVisible = !1)
            }
            ,
            e.prototype._intersectsWithCylinder = function(e) {
                var t = e.object;
                return this._cylinder.position = this._cylinderPosition,
                this._cylinder.intersectsMesh(t, !0)
            }
            ,
            e
        }(), Ly = function() {
            function e(e, t, i) {
                this._scene = e,
                this._origin = t,
                this._options = i,
                this._originTop = x.Zero(),
                this._cylinderPosition = x.Zero(),
                this._dataFetched = !1,
                this._physicsEngine = this._scene.getPhysicsEngine(),
                this._options = V(V({}, new By), this._options),
                this._origin.addToRef(new x(0,this._options.height / 2,0), this._cylinderPosition),
                this._origin.addToRef(new x(0,this._options.height,0), this._originTop),
                this._tickCallback = this._tick.bind(this),
                this._prepareCylinder()
            }
            return e.prototype.getData = function() {
                return this._dataFetched = !0,
                {
                    cylinder: this._cylinder
                }
            }
            ,
            e.prototype.enable = function() {
                this._tickCallback.call(this),
                this._scene.registerBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.disable = function() {
                this._scene.unregisterBeforeRender(this._tickCallback)
            }
            ,
            e.prototype.dispose = function(e) {
                var t = this;
                void 0 === e && (e = !0),
                e ? this._cylinder.dispose() : setTimeout((function() {
                    t._dataFetched || t._cylinder.dispose()
                }
                ), 0)
            }
            ,
            e.prototype._getImpostorHitData = function(e) {
                if (0 === e.mass)
                    return null;
                if (!this._intersectsWithCylinder(e))
                    return null;
                if ("Mesh" !== e.object.getClassName() && "InstancedMesh" !== e.object.getClassName())
                    return null;
                var t = e.getObjectCenter()
                  , i = new x(this._origin.x,t.y,this._origin.z)
                  , n = t.subtract(i)
                  , r = new _o(i,n,this._options.radius).intersectsMesh(e.object)
                  , o = r.pickedPoint;
                if (!o)
                    return null;
                var a, s, l, c = r.distance / this._options.radius, u = o.normalize();
                if (c > this._options.centripetalForceThreshold && (u = u.negate()),
                c > this._options.centripetalForceThreshold)
                    a = u.x * this._options.centripetalForceMultiplier,
                    s = u.y * this._options.updraftForceMultiplier,
                    l = u.z * this._options.centripetalForceMultiplier;
                else {
                    var h = x.Cross(i, t).normalize();
                    a = (h.x + u.x) * this._options.centrifugalForceMultiplier,
                    s = this._originTop.y * this._options.updraftForceMultiplier,
                    l = (h.z + u.z) * this._options.centrifugalForceMultiplier
                }
                var d = new x(a,s,l);
                return {
                    force: d = d.multiplyByFloats(this._options.strength, this._options.strength, this._options.strength),
                    contactPoint: t,
                    distanceFromOrigin: c
                }
            }
            ,
            e.prototype._tick = function() {
                var e = this;
                this._physicsEngine.getImpostors().forEach((function(t) {
                    var i = e._getImpostorHitData(t);
                    i && t.applyForce(i.force, i.contactPoint)
                }
                ))
            }
            ,
            e.prototype._prepareCylinder = function() {
                this._cylinder || (this._cylinder = Ys("vortexEventCylinder", {
                    height: this._options.height,
                    diameter: 2 * this._options.radius
                }, this._scene),
                this._cylinder.isVisible = !1)
            }
            ,
            e.prototype._intersectsWithCylinder = function(e) {
                var t = e.object;
                return this._cylinder.position = this._cylinderPosition,
                this._cylinder.intersectsMesh(t, !0)
            }
            ,
            e
        }(), Fy = function() {
            this.radius = 5,
            this.strength = 10,
            this.falloff = Cy.Constant,
            this.sphere = {
                segments: 32,
                diameter: 1
            }
        }, wy = function() {
            this.radius = 5,
            this.strength = 10,
            this.height = 10,
            this.updraftMode = Py.Center
        }, By = function() {
            this.radius = 5,
            this.strength = 10,
            this.height = 10,
            this.centripetalForceThreshold = .7,
            this.centripetalForceMultiplier = 5,
            this.centrifugalForceMultiplier = .5,
            this.updraftForceMultiplier = .02
        };
        !function(e) {
            e[e.Constant = 0] = "Constant",
            e[e.Linear = 1] = "Linear"
        }(Cy || (Cy = {})),
        function(e) {
            e[e.Center = 0] = "Center",
            e[e.Perpendicular = 1] = "Perpendicular"
        }(Py || (Py = {}));
        Pt.ShadersStore.blackAndWhitePixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform float degree;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nvec3 color=texture2D(textureSampler,vUV).rgb;\nfloat luminance=dot(color,vec3(0.3,0.59,0.11)); \nvec3 blackAndWhite=vec3(luminance,luminance,luminance);\ngl_FragColor=vec4(color-((color-blackAndWhite)*degree),1.0);\n}";
        var Uy = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, "blackAndWhite", ["degree"], null, i, n, r, o, a) || this;
                return s.degree = 1,
                s.onApplyObservable.add((function(e) {
                    e.setFloat("degree", s.degree)
                }
                )),
                s
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "BlackAndWhitePostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "degree", void 0),
            t
        }(Ba);
        y("BABYLON.BlackAndWhitePostProcess", Uy);
        var Vy = function() {
            function e(e, t, i, n) {
                this._name = t,
                this._singleInstance = n || !0,
                this._getPostProcesses = i,
                this._cameras = {},
                this._indicesForCamera = {},
                this._postProcesses = {}
            }
            return Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    for (var e in this._postProcesses)
                        if (Object.prototype.hasOwnProperty.call(this._postProcesses, e))
                            for (var t = this._postProcesses[e], i = 0; i < t.length; i++)
                                if (!t[i].isSupported)
                                    return !1;
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._update = function() {}
            ,
            e.prototype._attachCameras = function(e) {
                var t, i = this, n = gi.MakeArray(e || this._cameras);
                if (n)
                    for (var r = function(e) {
                        var r = n[e];
                        if (!r)
                            return "continue";
                        var a = r.name;
                        if (t = o._singleInstance ? 0 : a,
                        !o._postProcesses[t]) {
                            var s = o._getPostProcesses();
                            s && (o._postProcesses[t] = Array.isArray(s) ? s : [s])
                        }
                        o._indicesForCamera[a] || (o._indicesForCamera[a] = []),
                        o._postProcesses[t].forEach((function(e) {
                            var t = r.attachPostProcess(e);
                            i._indicesForCamera[a].push(t)
                        }
                        )),
                        o._cameras[a] || (o._cameras[a] = r)
                    }, o = this, a = 0; a < n.length; a++)
                        r(a)
            }
            ,
            e.prototype._detachCameras = function(e) {
                var t = gi.MakeArray(e || this._cameras);
                if (t)
                    for (var i = function(e) {
                        var i = t[e]
                          , r = i.name
                          , o = n._postProcesses[n._singleInstance ? 0 : r];
                        o && o.forEach((function(e) {
                            i.detachPostProcess(e)
                        }
                        )),
                        n._cameras[r] && (n._cameras[r] = null)
                    }, n = this, r = 0; r < t.length; r++)
                        i(r)
            }
            ,
            e.prototype._enable = function(e) {
                var t = this
                  , i = gi.MakeArray(e || this._cameras);
                if (i)
                    for (var n = function(e) {
                        for (var n = i[e], o = n.name, a = function(a) {
                            void 0 !== n._postProcesses[r._indicesForCamera[o][a]] && null !== n._postProcesses[r._indicesForCamera[o][a]] || r._postProcesses[r._singleInstance ? 0 : o].forEach((function(n) {
                                i[e].attachPostProcess(n, t._indicesForCamera[o][a])
                            }
                            ))
                        }, s = 0; s < r._indicesForCamera[o].length; s++)
                            a(s)
                    }, r = this, o = 0; o < i.length; o++)
                        n(o)
            }
            ,
            e.prototype._disable = function(e) {
                var t = gi.MakeArray(e || this._cameras);
                if (t)
                    for (var i = function(e) {
                        var i = t[e]
                          , r = i.name;
                        n._postProcesses[n._singleInstance ? 0 : r].forEach((function(e) {
                            i.detachPostProcess(e)
                        }
                        ))
                    }, n = this, r = 0; r < t.length; r++)
                        i(r)
            }
            ,
            e.prototype.getPostProcesses = function(e) {
                return this._singleInstance ? this._postProcesses[0] : e ? this._postProcesses[e.name] : null
            }
            ,
            e
        }();
        Pt.ShadersStore.extractHighlightsPixelShader = "#include<helperFunctions>\nvarying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform float threshold;\nuniform float exposure;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\ngl_FragColor=texture2D(textureSampler,vUV);\nfloat luma=getLuminance(gl_FragColor.rgb*exposure);\ngl_FragColor.rgb=step(threshold,luma)*gl_FragColor.rgb;\n}";
        var ky = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === c && (c = !1);
                var u = e.call(this, t, "extractHighlights", ["threshold", "exposure"], null, i, n, r, o, s, null, l, void 0, null, c) || this;
                return u.threshold = .9,
                u._exposure = 1,
                u._inputPostProcess = null,
                u.onApplyObservable.add((function(e) {
                    u.externalTextureSamplerBinding = !!u._inputPostProcess,
                    u._inputPostProcess && e.setTextureFromPostProcess("textureSampler", u._inputPostProcess),
                    e.setFloat("threshold", Math.pow(u.threshold, p)),
                    e.setFloat("exposure", u._exposure)
                }
                )),
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ExtractHighlightsPostProcess"
            }
            ,
            k([Ce()], t.prototype, "threshold", void 0),
            t
        }(Ba);
        y("BABYLON.ExtractHighlightsPostProcess", ky);
        Pt.ShadersStore.bloomMergePixelShader = "uniform sampler2D textureSampler;\nuniform sampler2D bloomBlur;\nvarying vec2 vUV;\nuniform float bloomWeight;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\ngl_FragColor=texture2D(textureSampler,vUV);\nvec3 blurred=texture2D(bloomBlur,vUV).rgb;\ngl_FragColor.rgb=gl_FragColor.rgb+(blurred.rgb*bloomWeight); \n}\n";
        var Gy = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h, d) {
                void 0 === h && (h = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === d && (d = !1);
                var p = e.call(this, t, "bloomMerge", ["bloomWeight"], ["bloomBlur"], o, s, l, c, u, null, h, void 0, null, !0) || this;
                return p.weight = 1,
                p.weight = r,
                p.externalTextureSamplerBinding = !0,
                p.onApplyObservable.add((function(e) {
                    e.setTextureFromPostProcess("textureSampler", i),
                    e.setTextureFromPostProcessOutput("bloomBlur", n),
                    e.setFloat("bloomWeight", p.weight)
                }
                )),
                d || p.updateEffect(),
                p
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "BloomMergePostProcess"
            }
            ,
            k([Ce()], t.prototype, "weight", void 0),
            t
        }(Ba);
        y("BABYLON.BloomMergePostProcess", Gy);
        var zy = function(e) {
            function t(t, i, n, r, o, a) {
                void 0 === o && (o = 0),
                void 0 === a && (a = !1);
                var s = e.call(this, t.getEngine(), "bloom", (function() {
                    return s._effects
                }
                ), !0) || this;
                return s._bloomScale = i,
                s._effects = [],
                s._downscale = new ky("highlights",1,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,o,a),
                s._blurX = new Fd("horizontal blur",new A(1,0),10,i,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,o,void 0,a),
                s._blurX.alwaysForcePOT = !0,
                s._blurX.autoClear = !1,
                s._blurY = new Fd("vertical blur",new A(0,1),10,i,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,o,void 0,a),
                s._blurY.alwaysForcePOT = !0,
                s._blurY.autoClear = !1,
                s.kernel = r,
                s._effects = [s._downscale, s._blurX, s._blurY],
                s._merge = new Gy("bloomMerge",s._downscale,s._blurY,n,i,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,o,a),
                s._merge.autoClear = !1,
                s._effects.push(s._merge),
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "threshold", {
                get: function() {
                    return this._downscale.threshold
                },
                set: function(e) {
                    this._downscale.threshold = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "weight", {
                get: function() {
                    return this._merge.weight
                },
                set: function(e) {
                    this._merge.weight = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "kernel", {
                get: function() {
                    return this._blurX.kernel / this._bloomScale
                },
                set: function(e) {
                    this._blurX.kernel = e * this._bloomScale,
                    this._blurY.kernel = e * this._bloomScale
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.disposeEffects = function(e) {
                for (var t = 0; t < this._effects.length; t++)
                    this._effects[t].dispose(e)
            }
            ,
            t.prototype._updateEffects = function() {
                for (var e = 0; e < this._effects.length; e++)
                    this._effects[e].updateEffect()
            }
            ,
            t.prototype._isReady = function() {
                for (var e = 0; e < this._effects.length; e++)
                    if (!this._effects[e].isReady())
                        return !1;
                return !0
            }
            ,
            t
        }(Vy);
        Pt.ShadersStore.chromaticAberrationPixelShader = "uniform sampler2D textureSampler; \nuniform float chromatic_aberration;\nuniform float radialIntensity;\nuniform vec2 direction;\nuniform vec2 centerPosition;\nuniform float screen_width;\nuniform float screen_height;\nvarying vec2 vUV;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec2 centered_screen_pos=vec2(vUV.x-centerPosition.x,vUV.y-centerPosition.y);\nvec2 directionOfEffect=direction;\nif(directionOfEffect.x==0. && directionOfEffect.y==0.){\ndirectionOfEffect=normalize(centered_screen_pos);\n}\nfloat radius2=centered_screen_pos.x*centered_screen_pos.x\n+ centered_screen_pos.y*centered_screen_pos.y;\nfloat radius=sqrt(radius2);\nvec4 original=texture2D(textureSampler,vUV);\nvec3 ref_indices=vec3(-0.3,0.0,0.3);\nfloat ref_shiftX=chromatic_aberration*pow(radius,radialIntensity)*directionOfEffect.x/screen_width;\nfloat ref_shiftY=chromatic_aberration*pow(radius,radialIntensity)*directionOfEffect.y/screen_height;\nvec2 ref_coords_r=vec2(vUV.x+ref_indices.r*ref_shiftX,vUV.y+ref_indices.r*ref_shiftY*0.5);\nvec2 ref_coords_g=vec2(vUV.x+ref_indices.g*ref_shiftX,vUV.y+ref_indices.g*ref_shiftY*0.5);\nvec2 ref_coords_b=vec2(vUV.x+ref_indices.b*ref_shiftX,vUV.y+ref_indices.b*ref_shiftY*0.5);\noriginal.r=texture2D(textureSampler,ref_coords_r).r;\noriginal.g=texture2D(textureSampler,ref_coords_g).g;\noriginal.b=texture2D(textureSampler,ref_coords_b).b;\noriginal.a=clamp(texture2D(textureSampler,ref_coords_r).a+texture2D(textureSampler,ref_coords_g).a+texture2D(textureSampler,ref_coords_b).a,0.,1.);\ngl_FragColor=original;\n}";
        var Wy = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === u && (u = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === h && (h = !1);
                var d = e.call(this, t, "chromaticAberration", ["chromatic_aberration", "screen_width", "screen_height", "direction", "radialIntensity", "centerPosition"], [], r, o, s, l, c, null, u, void 0, null, h) || this;
                return d.aberrationAmount = 30,
                d.radialIntensity = 0,
                d.direction = new A(.707,.707),
                d.centerPosition = new A(.5,.5),
                d.screenWidth = i,
                d.screenHeight = n,
                d.onApplyObservable.add((function(e) {
                    e.setFloat("chromatic_aberration", d.aberrationAmount),
                    e.setFloat("screen_width", i),
                    e.setFloat("screen_height", n),
                    e.setFloat("radialIntensity", d.radialIntensity),
                    e.setFloat2("direction", d.direction.x, d.direction.y),
                    e.setFloat2("centerPosition", d.centerPosition.x, d.centerPosition.y)
                }
                )),
                d
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ChromaticAberrationPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.screenWidth,e.screenHeight,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable,e.textureType,!1)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "aberrationAmount", void 0),
            k([Ce()], t.prototype, "radialIntensity", void 0),
            k([Ce()], t.prototype, "direction", void 0),
            k([Ce()], t.prototype, "centerPosition", void 0),
            k([Ce()], t.prototype, "screenWidth", void 0),
            k([Ce()], t.prototype, "screenHeight", void 0),
            t
        }(Ba);
        y("BABYLON.ChromaticAberrationPostProcess", Wy);
        Pt.ShadersStore.circleOfConfusionPixelShader = "uniform sampler2D depthSampler;\nvarying vec2 vUV;\nuniform vec2 cameraMinMaxZ;\nuniform float focusDistance;\nuniform float cocPrecalculation;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nfloat depth=texture2D(depthSampler,vUV).r;\nfloat pixelDistance=(cameraMinMaxZ.x+(cameraMinMaxZ.y-cameraMinMaxZ.x)*depth)*1000.0; \nfloat coc=abs(cocPrecalculation* ((focusDistance-pixelDistance)/pixelDistance));\ncoc=clamp(coc,0.0,1.0);\ngl_FragColor=vec4(coc,depth,coc,1.0);\n}\n";
        var Hy = function(e) {
            function t(t, i, n, r, o, s, l, c, u) {
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === u && (u = !1);
                var h = e.call(this, t, "circleOfConfusion", ["cameraMinMaxZ", "focusDistance", "cocPrecalculation"], ["depthSampler"], n, r, o, s, l, null, c, void 0, null, u) || this;
                return h.lensSize = 50,
                h.fStop = 1.4,
                h.focusDistance = 2e3,
                h.focalLength = 50,
                h._depthTexture = null,
                h._depthTexture = i,
                h.onApplyObservable.add((function(e) {
                    if (h._depthTexture) {
                        e.setTexture("depthSampler", h._depthTexture);
                        var t = h.lensSize / h.fStop * h.focalLength / (h.focusDistance - h.focalLength);
                        e.setFloat("focusDistance", h.focusDistance),
                        e.setFloat("cocPrecalculation", t),
                        e.setFloat2("cameraMinMaxZ", h._depthTexture.activeCamera.minZ, h._depthTexture.activeCamera.maxZ)
                    } else
                        K.Warn("No depth texture set on CircleOfConfusionPostProcess")
                }
                )),
                h
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "CircleOfConfusionPostProcess"
            }
            ,
            Object.defineProperty(t.prototype, "depthTexture", {
                set: function(e) {
                    this._depthTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            k([Ce()], t.prototype, "lensSize", void 0),
            k([Ce()], t.prototype, "fStop", void 0),
            k([Ce()], t.prototype, "focusDistance", void 0),
            k([Ce()], t.prototype, "focalLength", void 0),
            t
        }(Ba);
        y("BABYLON.CircleOfConfusionPostProcess", Hy);
        Pt.ShadersStore.colorCorrectionPixelShader = "uniform sampler2D textureSampler; \nuniform sampler2D colorTable; \nvarying vec2 vUV;\nconst float SLICE_COUNT=16.0; \nvec4 sampleAs3DTexture(sampler2D textureSampler,vec3 uv,float width) {\nfloat sliceSize=1.0/width; \nfloat slicePixelSize=sliceSize/width; \nfloat sliceInnerSize=slicePixelSize*(width-1.0); \nfloat zSlice0=min(floor(uv.z*width),width-1.0);\nfloat zSlice1=min(zSlice0+1.0,width-1.0);\nfloat xOffset=slicePixelSize*0.5+uv.x*sliceInnerSize;\nfloat s0=xOffset+(zSlice0*sliceSize);\nfloat s1=xOffset+(zSlice1*sliceSize);\nvec4 slice0Color=texture2D(textureSampler,vec2(s0,uv.y));\nvec4 slice1Color=texture2D(textureSampler,vec2(s1,uv.y));\nfloat zOffset=mod(uv.z*width,1.0);\nvec4 result=mix(slice0Color,slice1Color,zOffset);\nreturn result;\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 screen_color=texture2D(textureSampler,vUV);\ngl_FragColor=sampleAs3DTexture(colorTable,screen_color.rgb,SLICE_COUNT);\n}";
        var Xy = function(e) {
            function t(t, i, n, r, o, a, s) {
                var l = e.call(this, t, "colorCorrection", null, ["colorTable"], n, r, o, a, s) || this;
                return l._colorTableTexture = new io(i,r.getScene(),!0,!1,io.TRILINEAR_SAMPLINGMODE),
                l._colorTableTexture.anisotropicFilteringLevel = 1,
                l._colorTableTexture.wrapU = io.CLAMP_ADDRESSMODE,
                l._colorTableTexture.wrapV = io.CLAMP_ADDRESSMODE,
                l.colorTableUrl = i,
                l.onApply = function(e) {
                    e.setTexture("colorTable", l._colorTableTexture)
                }
                ,
                l
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ColorCorrectionPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.colorTableUrl,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "colorTableUrl", void 0),
            t
        }(Ba);
        y("BABYLON.ColorCorrectionPostProcess", Xy);
        Pt.ShadersStore.convolutionPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec2 screenSize;\nuniform float kernel[9];\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec2 onePixel=vec2(1.0,1.0)/screenSize;\nvec4 colorSum =\ntexture2D(textureSampler,vUV+onePixel*vec2(-1,-1))*kernel[0] +\ntexture2D(textureSampler,vUV+onePixel*vec2(0,-1))*kernel[1] +\ntexture2D(textureSampler,vUV+onePixel*vec2(1,-1))*kernel[2] +\ntexture2D(textureSampler,vUV+onePixel*vec2(-1,0))*kernel[3] +\ntexture2D(textureSampler,vUV+onePixel*vec2(0,0))*kernel[4] +\ntexture2D(textureSampler,vUV+onePixel*vec2(1,0))*kernel[5] +\ntexture2D(textureSampler,vUV+onePixel*vec2(-1,1))*kernel[6] +\ntexture2D(textureSampler,vUV+onePixel*vec2(0,1))*kernel[7] +\ntexture2D(textureSampler,vUV+onePixel*vec2(1,1))*kernel[8];\nfloat kernelWeight =\nkernel[0] +\nkernel[1] +\nkernel[2] +\nkernel[3] +\nkernel[4] +\nkernel[5] +\nkernel[6] +\nkernel[7] +\nkernel[8];\nif (kernelWeight<=0.0) {\nkernelWeight=1.0;\n}\ngl_FragColor=vec4((colorSum/kernelWeight).rgb,1);\n}";
        var jy = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT);
                var u = e.call(this, t, "convolution", ["kernel", "screenSize"], null, n, r, o, s, l, null, c) || this;
                return u.kernel = i,
                u.onApply = function(e) {
                    e.setFloat2("screenSize", u.width, u.height),
                    e.setArray("kernel", u.kernel)
                }
                ,
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ConvolutionPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.kernel,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable,e.textureType)
                }
                ), e, n, r)
            }
            ,
            t.EdgeDetect0Kernel = [1, 0, -1, 0, 0, 0, -1, 0, 1],
            t.EdgeDetect1Kernel = [0, 1, 0, 1, -4, 1, 0, 1, 0],
            t.EdgeDetect2Kernel = [-1, -1, -1, -1, 8, -1, -1, -1, -1],
            t.SharpenKernel = [0, -1, 0, -1, 5, -1, 0, -1, 0],
            t.EmbossKernel = [-2, -1, 0, -1, 1, 1, 0, 1, 2],
            t.GaussianKernel = [0, 1, 0, 1, 1, 1, 0, 1, 0],
            k([Ce()], t.prototype, "kernel", void 0),
            t
        }(Ba);
        y("BABYLON.ConvolutionPostProcess", jy);
        var Yy = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h, d, p, f) {
                void 0 === c && (c = null),
                void 0 === u && (u = io.BILINEAR_SAMPLINGMODE),
                void 0 === p && (p = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === f && (f = !1);
                var _ = e.call(this, t, n, r, o, s, u = a.TEXTURE_BILINEAR_SAMPLINGMODE, h, d, p = a.TEXTURETYPE_UNSIGNED_INT, "#define DOF 1\r\n", f) || this;
                return _.direction = n,
                _.externalTextureSamplerBinding = !!c,
                _.onApplyObservable.add((function(e) {
                    null != c && e.setTextureFromPostProcess("textureSampler", c),
                    e.setTextureFromPostProcessOutput("circleOfConfusionSampler", l),
                    i.activeCamera && e.setFloat2("cameraMinMaxZ", i.activeCamera.minZ, i.activeCamera.maxZ)
                }
                )),
                _
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DepthOfFieldBlurPostProcess"
            }
            ,
            k([Ce()], t.prototype, "direction", void 0),
            t
        }(Fd);
        y("BABYLON.DepthOfFieldBlurPostProcess", Yy);
        Pt.ShadersStore.depthOfFieldMergePixelShader = "uniform sampler2D textureSampler;\nvarying vec2 vUV;\nuniform sampler2D circleOfConfusionSampler;\nuniform sampler2D blurStep0;\n#if BLUR_LEVEL>0\nuniform sampler2D blurStep1;\n#endif\n#if BLUR_LEVEL>1\nuniform sampler2D blurStep2;\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nfloat coc=texture2D(circleOfConfusionSampler,vUV).r;\n#if BLUR_LEVEL==0\nvec4 original=texture2D(textureSampler,vUV);\nvec4 blurred0=texture2D(blurStep0,vUV);\ngl_FragColor=mix(original,blurred0,coc);\n#endif\n#if BLUR_LEVEL==1\nif(coc<0.5){\nvec4 original=texture2D(textureSampler,vUV);\nvec4 blurred1=texture2D(blurStep1,vUV);\ngl_FragColor=mix(original,blurred1,coc/0.5);\n}else{\nvec4 blurred0=texture2D(blurStep0,vUV); \nvec4 blurred1=texture2D(blurStep1,vUV);\ngl_FragColor=mix(blurred1,blurred0,(coc-0.5)/0.5);\n}\n#endif\n#if BLUR_LEVEL==2\nif(coc<0.33){\nvec4 original=texture2D(textureSampler,vUV);\nvec4 blurred2=texture2D(blurStep2,vUV);\ngl_FragColor=mix(original,blurred2,coc/0.33);\n}else if(coc<0.66){\nvec4 blurred1=texture2D(blurStep1,vUV);\nvec4 blurred2=texture2D(blurStep2,vUV);\ngl_FragColor=mix(blurred2,blurred1,(coc-0.33)/0.33);\n}else{\nvec4 blurred0=texture2D(blurStep0,vUV);\nvec4 blurred1=texture2D(blurStep1,vUV);\ngl_FragColor=mix(blurred1,blurred0,(coc-0.66)/0.34);\n}\n#endif\n}\n";
        var Ky, Qy = function() {}, qy = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h, d) {
                void 0 === h && (h = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === d && (d = !1);
                var p = e.call(this, t, "depthOfFieldMerge", [], ["circleOfConfusionSampler", "blurStep0", "blurStep1", "blurStep2"], o, s, l, c, u, null, h, void 0, null, !0) || this;
                return p._blurSteps = r,
                p.externalTextureSamplerBinding = !0,
                p.onApplyObservable.add((function(e) {
                    e.setTextureFromPostProcess("textureSampler", i),
                    e.setTextureFromPostProcessOutput("circleOfConfusionSampler", n),
                    r.forEach((function(t, i) {
                        e.setTextureFromPostProcessOutput("blurStep" + (r.length - i - 1), t)
                    }
                    ))
                }
                )),
                d || p.updateEffect(),
                p
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DepthOfFieldMergePostProcess"
            }
            ,
            t.prototype.updateEffect = function(t, i, n, r, o, a) {
                void 0 === t && (t = null),
                void 0 === i && (i = null),
                void 0 === n && (n = null),
                t || (t = "",
                t += "#define BLUR_LEVEL " + (this._blurSteps.length - 1) + "\n"),
                e.prototype.updateEffect.call(this, t, i, n, r, o, a)
            }
            ,
            t
        }(Ba);
        !function(e) {
            e[e.Low = 0] = "Low",
            e[e.Medium = 1] = "Medium",
            e[e.High = 2] = "High"
        }(Ky || (Ky = {}));
        var Zy = function(e) {
            function t(t, i, n, r, o) {
                void 0 === n && (n = Ky.Low),
                void 0 === r && (r = 0),
                void 0 === o && (o = !1);
                var a = e.call(this, t.getEngine(), "depth of field", (function() {
                    return a._effects
                }
                ), !0) || this;
                a._effects = [],
                a._circleOfConfusion = new Hy("circleOfConfusion",i,1,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,r,o),
                a._depthOfFieldBlurY = [],
                a._depthOfFieldBlurX = [];
                var s = 1
                  , l = 15;
                switch (n) {
                case Ky.High:
                    s = 3,
                    l = 51;
                    break;
                case Ky.Medium:
                    s = 2,
                    l = 31;
                    break;
                default:
                    l = 15,
                    s = 1
                }
                for (var c = l / Math.pow(2, s - 1), u = 1, h = 0; h < s; h++) {
                    var d = new Yy("vertical blur",t,new A(0,1),c,u,null,a._circleOfConfusion,0 == h ? a._circleOfConfusion : null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,r,o);
                    d.autoClear = !1,
                    u = .75 / Math.pow(2, h);
                    var p = new Yy("horizontal blur",t,new A(1,0),c,u,null,a._circleOfConfusion,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,r,o);
                    p.autoClear = !1,
                    a._depthOfFieldBlurY.push(d),
                    a._depthOfFieldBlurX.push(p)
                }
                for (a._effects = [a._circleOfConfusion],
                h = 0; h < a._depthOfFieldBlurX.length; h++)
                    a._effects.push(a._depthOfFieldBlurY[h]),
                    a._effects.push(a._depthOfFieldBlurX[h]);
                return a._dofMerge = new qy("dofMerge",a._circleOfConfusion,a._circleOfConfusion,a._depthOfFieldBlurX,u,null,io.BILINEAR_SAMPLINGMODE,t.getEngine(),!1,r,o),
                a._dofMerge.autoClear = !1,
                a._effects.push(a._dofMerge),
                a
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "focalLength", {
                get: function() {
                    return this._circleOfConfusion.focalLength
                },
                set: function(e) {
                    this._circleOfConfusion.focalLength = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fStop", {
                get: function() {
                    return this._circleOfConfusion.fStop
                },
                set: function(e) {
                    this._circleOfConfusion.fStop = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "focusDistance", {
                get: function() {
                    return this._circleOfConfusion.focusDistance
                },
                set: function(e) {
                    this._circleOfConfusion.focusDistance = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "lensSize", {
                get: function() {
                    return this._circleOfConfusion.lensSize
                },
                set: function(e) {
                    this._circleOfConfusion.lensSize = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "DepthOfFieldEffect"
            }
            ,
            Object.defineProperty(t.prototype, "depthTexture", {
                set: function(e) {
                    this._circleOfConfusion.depthTexture = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.disposeEffects = function(e) {
                for (var t = 0; t < this._effects.length; t++)
                    this._effects[t].dispose(e)
            }
            ,
            t.prototype._updateEffects = function() {
                for (var e = 0; e < this._effects.length; e++)
                    this._effects[e].updateEffect()
            }
            ,
            t.prototype._isReady = function() {
                for (var e = 0; e < this._effects.length; e++)
                    if (!this._effects[e].isReady())
                        return !1;
                return !0
            }
            ,
            t
        }(Vy);
        Pt.ShadersStore.displayPassPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform sampler2D passSampler;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\ngl_FragColor=texture2D(passSampler,vUV);\n}";
        var Jy = function(e) {
            function t(t, i, n, r, o, a) {
                return e.call(this, t, "displayPass", ["passSampler"], ["passSampler"], i, n, r, o, a) || this
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "DisplayPassPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            t
        }(Ba);
        y("BABYLON.DisplayPassPostProcess", Jy);
        Pt.ShadersStore.filterPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform mat4 kernelMatrix;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec3 baseColor=texture2D(textureSampler,vUV).rgb;\nvec3 updatedColor=(kernelMatrix*vec4(baseColor,1.0)).rgb;\ngl_FragColor=vec4(updatedColor,1.0);\n}";
        var $y = function(e) {
            function t(t, i, n, r, o, a, s) {
                var l = e.call(this, t, "filter", ["kernelMatrix"], null, n, r, o, a, s) || this;
                return l.kernelMatrix = i,
                l.onApply = function(e) {
                    e.setMatrix("kernelMatrix", l.kernelMatrix)
                }
                ,
                l
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FilterPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.kernelMatrix,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ue()], t.prototype, "kernelMatrix", void 0),
            t
        }(Ba);
        y("BABYLON.FilterPostProcess", $y);
        Pt.ShadersStore.fxaaPixelShader = "uniform sampler2D textureSampler;\nuniform vec2 texelSize;\nvarying vec2 vUV;\nvarying vec2 sampleCoordS;\nvarying vec2 sampleCoordE;\nvarying vec2 sampleCoordN;\nvarying vec2 sampleCoordW;\nvarying vec2 sampleCoordNW;\nvarying vec2 sampleCoordSE;\nvarying vec2 sampleCoordNE;\nvarying vec2 sampleCoordSW;\nconst float fxaaQualitySubpix=1.0;\nconst float fxaaQualityEdgeThreshold=0.166;\nconst float fxaaQualityEdgeThresholdMin=0.0833;\nconst vec3 kLumaCoefficients=vec3(0.2126,0.7152,0.0722);\n#define FxaaLuma(rgba) dot(rgba.rgb,kLumaCoefficients)\nvoid main(){\nvec2 posM;\nposM.x=vUV.x;\nposM.y=vUV.y;\nvec4 rgbyM=texture2D(textureSampler,vUV,0.0);\nfloat lumaM=FxaaLuma(rgbyM);\nfloat lumaS=FxaaLuma(texture2D(textureSampler,sampleCoordS,0.0));\nfloat lumaE=FxaaLuma(texture2D(textureSampler,sampleCoordE,0.0));\nfloat lumaN=FxaaLuma(texture2D(textureSampler,sampleCoordN,0.0));\nfloat lumaW=FxaaLuma(texture2D(textureSampler,sampleCoordW,0.0));\nfloat maxSM=max(lumaS,lumaM);\nfloat minSM=min(lumaS,lumaM);\nfloat maxESM=max(lumaE,maxSM);\nfloat minESM=min(lumaE,minSM);\nfloat maxWN=max(lumaN,lumaW);\nfloat minWN=min(lumaN,lumaW);\nfloat rangeMax=max(maxWN,maxESM);\nfloat rangeMin=min(minWN,minESM);\nfloat rangeMaxScaled=rangeMax*fxaaQualityEdgeThreshold;\nfloat range=rangeMax-rangeMin;\nfloat rangeMaxClamped=max(fxaaQualityEdgeThresholdMin,rangeMaxScaled);\n#ifndef MALI\nif(range<rangeMaxClamped) \n{\ngl_FragColor=rgbyM;\nreturn;\n}\n#endif\nfloat lumaNW=FxaaLuma(texture2D(textureSampler,sampleCoordNW,0.0));\nfloat lumaSE=FxaaLuma(texture2D(textureSampler,sampleCoordSE,0.0));\nfloat lumaNE=FxaaLuma(texture2D(textureSampler,sampleCoordNE,0.0));\nfloat lumaSW=FxaaLuma(texture2D(textureSampler,sampleCoordSW,0.0));\nfloat lumaNS=lumaN+lumaS;\nfloat lumaWE=lumaW+lumaE;\nfloat subpixRcpRange=1.0/range;\nfloat subpixNSWE=lumaNS+lumaWE;\nfloat edgeHorz1=(-2.0*lumaM)+lumaNS;\nfloat edgeVert1=(-2.0*lumaM)+lumaWE;\nfloat lumaNESE=lumaNE+lumaSE;\nfloat lumaNWNE=lumaNW+lumaNE;\nfloat edgeHorz2=(-2.0*lumaE)+lumaNESE;\nfloat edgeVert2=(-2.0*lumaN)+lumaNWNE;\nfloat lumaNWSW=lumaNW+lumaSW;\nfloat lumaSWSE=lumaSW+lumaSE;\nfloat edgeHorz4=(abs(edgeHorz1)*2.0)+abs(edgeHorz2);\nfloat edgeVert4=(abs(edgeVert1)*2.0)+abs(edgeVert2);\nfloat edgeHorz3=(-2.0*lumaW)+lumaNWSW;\nfloat edgeVert3=(-2.0*lumaS)+lumaSWSE;\nfloat edgeHorz=abs(edgeHorz3)+edgeHorz4;\nfloat edgeVert=abs(edgeVert3)+edgeVert4;\nfloat subpixNWSWNESE=lumaNWSW+lumaNESE;\nfloat lengthSign=texelSize.x;\nbool horzSpan=edgeHorz>=edgeVert;\nfloat subpixA=subpixNSWE*2.0+subpixNWSWNESE;\nif (!horzSpan)\n{\nlumaN=lumaW;\n}\nif (!horzSpan) \n{\nlumaS=lumaE;\n}\nif (horzSpan) \n{\nlengthSign=texelSize.y;\n}\nfloat subpixB=(subpixA*(1.0/12.0))-lumaM;\nfloat gradientN=lumaN-lumaM;\nfloat gradientS=lumaS-lumaM;\nfloat lumaNN=lumaN+lumaM;\nfloat lumaSS=lumaS+lumaM;\nbool pairN=abs(gradientN)>=abs(gradientS);\nfloat gradient=max(abs(gradientN),abs(gradientS));\nif (pairN)\n{\nlengthSign=-lengthSign;\n}\nfloat subpixC=clamp(abs(subpixB)*subpixRcpRange,0.0,1.0);\nvec2 posB;\nposB.x=posM.x;\nposB.y=posM.y;\nvec2 offNP;\noffNP.x=(!horzSpan) ? 0.0 : texelSize.x;\noffNP.y=(horzSpan) ? 0.0 : texelSize.y;\nif (!horzSpan) \n{\nposB.x+=lengthSign*0.5;\n}\nif (horzSpan)\n{\nposB.y+=lengthSign*0.5;\n}\nvec2 posN;\nposN.x=posB.x-offNP.x*1.5;\nposN.y=posB.y-offNP.y*1.5;\nvec2 posP;\nposP.x=posB.x+offNP.x*1.5;\nposP.y=posB.y+offNP.y*1.5;\nfloat subpixD=((-2.0)*subpixC)+3.0;\nfloat lumaEndN=FxaaLuma(texture2D(textureSampler,posN,0.0));\nfloat subpixE=subpixC*subpixC;\nfloat lumaEndP=FxaaLuma(texture2D(textureSampler,posP,0.0));\nif (!pairN) \n{\nlumaNN=lumaSS;\n}\nfloat gradientScaled=gradient*1.0/4.0;\nfloat lumaMM=lumaM-lumaNN*0.5;\nfloat subpixF=subpixD*subpixE;\nbool lumaMLTZero=lumaMM<0.0;\nlumaEndN-=lumaNN*0.5;\nlumaEndP-=lumaNN*0.5;\nbool doneN=abs(lumaEndN)>=gradientScaled;\nbool doneP=abs(lumaEndP)>=gradientScaled;\nif (!doneN) \n{\nposN.x-=offNP.x*3.0;\n}\nif (!doneN) \n{\nposN.y-=offNP.y*3.0;\n}\nbool doneNP=(!doneN) || (!doneP);\nif (!doneP) \n{\nposP.x+=offNP.x*3.0;\n}\nif (!doneP)\n{\nposP.y+=offNP.y*3.0;\n}\nif (doneNP)\n{\nif (!doneN) lumaEndN=FxaaLuma(texture2D(textureSampler,posN.xy,0.0));\nif (!doneP) lumaEndP=FxaaLuma(texture2D(textureSampler,posP.xy,0.0));\nif (!doneN) lumaEndN=lumaEndN-lumaNN*0.5;\nif (!doneP) lumaEndP=lumaEndP-lumaNN*0.5;\ndoneN=abs(lumaEndN)>=gradientScaled;\ndoneP=abs(lumaEndP)>=gradientScaled;\nif (!doneN) posN.x-=offNP.x*12.0;\nif (!doneN) posN.y-=offNP.y*12.0;\ndoneNP=(!doneN) || (!doneP);\nif (!doneP) posP.x+=offNP.x*12.0;\nif (!doneP) posP.y+=offNP.y*12.0;\n}\nfloat dstN=posM.x-posN.x;\nfloat dstP=posP.x-posM.x;\nif (!horzSpan)\n{\ndstN=posM.y-posN.y;\n}\nif (!horzSpan) \n{\ndstP=posP.y-posM.y;\n}\nbool goodSpanN=(lumaEndN<0.0) != lumaMLTZero;\nfloat spanLength=(dstP+dstN);\nbool goodSpanP=(lumaEndP<0.0) != lumaMLTZero;\nfloat spanLengthRcp=1.0/spanLength;\nbool directionN=dstN<dstP;\nfloat dst=min(dstN,dstP);\nbool goodSpan=directionN ? goodSpanN : goodSpanP;\nfloat subpixG=subpixF*subpixF;\nfloat pixelOffset=(dst*(-spanLengthRcp))+0.5;\nfloat subpixH=subpixG*fxaaQualitySubpix;\nfloat pixelOffsetGood=goodSpan ? pixelOffset : 0.0;\nfloat pixelOffsetSubpix=max(pixelOffsetGood,subpixH);\nif (!horzSpan)\n{\nposM.x+=pixelOffsetSubpix*lengthSign;\n}\nif (horzSpan)\n{\nposM.y+=pixelOffsetSubpix*lengthSign;\n}\n#ifdef MALI\nif(range<rangeMaxClamped) \n{\ngl_FragColor=rgbyM;\n}\nelse\n{\ngl_FragColor=texture2D(textureSampler,posM,0.0);\n}\n#else\ngl_FragColor=texture2D(textureSampler,posM,0.0);\n#endif\n}";
        Pt.ShadersStore.fxaaVertexShader = "attribute vec2 position;\nuniform vec2 texelSize;\nvarying vec2 vUV;\nvarying vec2 sampleCoordS;\nvarying vec2 sampleCoordE;\nvarying vec2 sampleCoordN;\nvarying vec2 sampleCoordW;\nvarying vec2 sampleCoordNW;\nvarying vec2 sampleCoordSE;\nvarying vec2 sampleCoordNE;\nvarying vec2 sampleCoordSW;\nconst vec2 madd=vec2(0.5,0.5);\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvUV=(position*madd+madd);\nsampleCoordS=vUV+vec2( 0.0,1.0)*texelSize;\nsampleCoordE=vUV+vec2( 1.0,0.0)*texelSize;\nsampleCoordN=vUV+vec2( 0.0,-1.0)*texelSize;\nsampleCoordW=vUV+vec2(-1.0,0.0)*texelSize;\nsampleCoordNW=vUV+vec2(-1.0,-1.0)*texelSize;\nsampleCoordSE=vUV+vec2( 1.0,1.0)*texelSize;\nsampleCoordNE=vUV+vec2( 1.0,-1.0)*texelSize;\nsampleCoordSW=vUV+vec2(-1.0,1.0)*texelSize;\ngl_Position=vec4(position,0.0,1.0);\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var eb = function(e) {
            function t(t, i, n, r, o, s, l) {
                void 0 === n && (n = null),
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT);
                var c = e.call(this, t, "fxaa", ["texelSize"], null, i, n, r || io.BILINEAR_SAMPLINGMODE, o, s, null, l, "fxaa", void 0, !0) || this
                  , u = c._getDefines();
                return c.updateEffect(u),
                c.onApplyObservable.add((function(e) {
                    var t = c.texelSize;
                    e.setFloat2("texelSize", t.x, t.y)
                }
                )),
                c
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "FxaaPostProcess"
            }
            ,
            t.prototype._getDefines = function() {
                var e = this.getEngine();
                if (!e)
                    return null;
                var t = e.getGlInfo();
                return t && t.renderer && t.renderer.toLowerCase().indexOf("mali") > -1 ? "#define MALI 1\n" : null
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            t
        }(Ba);
        y("BABYLON.FxaaPostProcess", eb);
        Pt.ShadersStore.grainPixelShader = "#include<helperFunctions>\nuniform sampler2D textureSampler; \nuniform float intensity;\nuniform float animatedSeed;\nvarying vec2 vUV;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\ngl_FragColor=texture2D(textureSampler,vUV);\nvec2 seed=vUV*(animatedSeed);\nfloat grain=dither(seed,intensity);\nfloat lum=getLuminance(gl_FragColor.rgb);\nfloat grainAmount=(cos(-PI+(lum*PI*2.))+1.)/2.;\ngl_FragColor.rgb+=grain*grainAmount;\ngl_FragColor.rgb=max(gl_FragColor.rgb,0.0);\n}";
        var tb = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === c && (c = !1);
                var u = e.call(this, t, "grain", ["intensity", "animatedSeed"], [], i, n, r, o, s, null, l, void 0, null, c) || this;
                return u.intensity = 30,
                u.animated = !1,
                u.onApplyObservable.add((function(e) {
                    e.setFloat("intensity", u.intensity),
                    e.setFloat("animatedSeed", u.animated ? Math.random() + 1 : 1)
                }
                )),
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "GrainPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "intensity", void 0),
            k([Ce()], t.prototype, "animated", void 0),
            t
        }(Ba);
        y("BABYLON.GrainPostProcess", tb);
        Pt.ShadersStore.highlightsPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nconst vec3 RGBLuminanceCoefficients=vec3(0.2126,0.7152,0.0722);\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nvec4 tex=texture2D(textureSampler,vUV);\nvec3 c=tex.rgb;\nfloat luma=dot(c.rgb,RGBLuminanceCoefficients);\ngl_FragColor=vec4(pow(c,vec3(25.0-luma*15.0)),tex.a); \n}";
        var ib = function(e) {
            function t(t, i, n, r, o, s, l) {
                return void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                e.call(this, t, "highlights", null, null, i, n, r, o, s, null, l) || this
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "HighlightsPostProcess"
            }
            ,
            t
        }(Ba);
        Pt.IncludesShadersStore.mrtFragmentDeclaration = "#if defined(WEBGL2) || defined(WEBGPU)\nlayout(location=0) out vec4 glFragData[{X}];\n#endif\n";
        Pt.ShadersStore.geometryPixelShader = "#extension GL_EXT_draw_buffers : require\n#if defined(BUMP) || !defined(NORMAL)\n#extension GL_OES_standard_derivatives : enable\n#endif\nprecision highp float;\n#ifdef BUMP\nvarying mat4 vWorldView;\nvarying vec3 vNormalW;\n#else\nvarying vec3 vNormalV;\n#endif\nvarying vec4 vViewPos;\n#if defined(POSITION) || defined(BUMP)\nvarying vec3 vPositionW;\n#endif\n#ifdef VELOCITY\nvarying vec4 vCurrentPosition;\nvarying vec4 vPreviousPosition;\n#endif\n#ifdef NEED_UV\nvarying vec2 vUV;\n#endif\n#ifdef BUMP\nuniform vec3 vBumpInfos;\nuniform vec2 vTangentSpaceParams;\n#endif\n#if defined(REFLECTIVITY) && (defined(HAS_SPECULAR) || defined(HAS_REFLECTIVITY))\nvarying vec2 vReflectivityUV;\nuniform sampler2D reflectivitySampler;\n#endif\n#ifdef ALPHATEST\nuniform sampler2D diffuseSampler;\n#endif\n#include<mrtFragmentDeclaration>[RENDER_TARGET_COUNT]\n#include<bumpFragmentMainFunctions>\n#include<bumpFragmentFunctions>\nvoid main() {\n#ifdef ALPHATEST\nif (texture2D(diffuseSampler,vUV).a<0.4)\ndiscard;\n#endif\nvec3 normalOutput;\n#ifdef BUMP\nvec3 normalW=normalize(vNormalW);\n#include<bumpFragment>\nnormalOutput=normalize(vec3(vWorldView*vec4(normalW,0.0)));\n#else\nnormalOutput=normalize(vNormalV);\n#endif\n#ifdef PREPASS\n#ifdef PREPASS_DEPTH\ngl_FragData[DEPTH_INDEX]=vec4(vViewPos.z/vViewPos.w,0.0,0.0,1.0);\n#endif\n#ifdef PREPASS_NORMAL\ngl_FragData[NORMAL_INDEX]=vec4(normalOutput,1.0);\n#endif\n#else\ngl_FragData[0]=vec4(vViewPos.z/vViewPos.w,0.0,0.0,1.0);\ngl_FragData[1]=vec4(normalOutput,1.0);\n#endif\n#ifdef POSITION\ngl_FragData[POSITION_INDEX]=vec4(vPositionW,1.0);\n#endif\n#ifdef VELOCITY\nvec2 a=(vCurrentPosition.xy/vCurrentPosition.w)*0.5+0.5;\nvec2 b=(vPreviousPosition.xy/vPreviousPosition.w)*0.5+0.5;\nvec2 velocity=abs(a-b);\nvelocity=vec2(pow(velocity.x,1.0/3.0),pow(velocity.y,1.0/3.0))*sign(a-b)*0.5+0.5;\ngl_FragData[VELOCITY_INDEX]=vec4(velocity,0.0,1.0);\n#endif\n#ifdef REFLECTIVITY\n#ifdef HAS_SPECULAR\nvec4 reflectivity=texture2D(reflectivitySampler,vReflectivityUV);\n#elif HAS_REFLECTIVITY\nvec4 reflectivity=vec4(texture2D(reflectivitySampler,vReflectivityUV).rgb,1.0);\n#else\nvec4 reflectivity=vec4(0.0,0.0,0.0,1.0);\n#endif\ngl_FragData[REFLECTIVITY_INDEX]=reflectivity;\n#endif\n}\n";
        Pt.IncludesShadersStore.geometryVertexDeclaration = "uniform mat4 viewProjection;\nuniform mat4 view;";
        Pt.IncludesShadersStore.geometryUboDeclaration = "#include<sceneUboDeclaration>\n";
        Pt.ShadersStore.geometryVertexShader = "precision highp float;\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#include<instancesDeclaration>\n#include<__decl__geometryVertex>\nattribute vec3 position;\nattribute vec3 normal;\n#ifdef NEED_UV\nvarying vec2 vUV;\n#ifdef ALPHATEST\nuniform mat4 diffuseMatrix;\n#endif\n#ifdef BUMP\nuniform mat4 bumpMatrix;\nvarying vec2 vBumpUV;\n#endif\n#ifdef REFLECTIVITY\nuniform mat4 reflectivityMatrix;\nvarying vec2 vReflectivityUV;\n#endif\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#endif\n#ifdef BUMP\nvarying mat4 vWorldView;\n#endif\n#ifdef BUMP\nvarying vec3 vNormalW;\n#else\nvarying vec3 vNormalV;\n#endif\nvarying vec4 vViewPos;\n#if defined(POSITION) || defined(BUMP)\nvarying vec3 vPositionW;\n#endif\n#ifdef VELOCITY\nuniform mat4 previousViewProjection;\nvarying vec4 vCurrentPosition;\nvarying vec4 vPreviousPosition;\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\nvec3 normalUpdated=normal;\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#include<instancesVertex>\n#if defined(VELOCITY) && !defined(BONES_VELOCITY_ENABLED)\nvCurrentPosition=viewProjection*finalWorld*vec4(positionUpdated,1.0);\nvPreviousPosition=previousViewProjection*finalPreviousWorld*vec4(positionUpdated,1.0);\n#endif\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 pos=vec4(finalWorld*vec4(positionUpdated,1.0));\n#ifdef BUMP\nvWorldView=view*finalWorld;\nvNormalW=normalUpdated;\n#else\nvNormalV=normalize(vec3((view*finalWorld)*vec4(normalUpdated,0.0)));\n#endif\nvViewPos=view*pos;\n#if defined(VELOCITY) && defined(BONES_VELOCITY_ENABLED)\nvCurrentPosition=viewProjection*finalWorld*vec4(positionUpdated,1.0);\n#if NUM_BONE_INFLUENCERS>0\nmat4 previousInfluence;\npreviousInfluence=mPreviousBones[int(matricesIndices[0])]*matricesWeights[0];\n#if NUM_BONE_INFLUENCERS>1\npreviousInfluence+=mPreviousBones[int(matricesIndices[1])]*matricesWeights[1];\n#endif\n#if NUM_BONE_INFLUENCERS>2\npreviousInfluence+=mPreviousBones[int(matricesIndices[2])]*matricesWeights[2];\n#endif\n#if NUM_BONE_INFLUENCERS>3\npreviousInfluence+=mPreviousBones[int(matricesIndices[3])]*matricesWeights[3];\n#endif\n#if NUM_BONE_INFLUENCERS>4\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[0])]*matricesWeightsExtra[0];\n#endif\n#if NUM_BONE_INFLUENCERS>5\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[1])]*matricesWeightsExtra[1];\n#endif\n#if NUM_BONE_INFLUENCERS>6\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[2])]*matricesWeightsExtra[2];\n#endif\n#if NUM_BONE_INFLUENCERS>7\npreviousInfluence+=mPreviousBones[int(matricesIndicesExtra[3])]*matricesWeightsExtra[3];\n#endif\nvPreviousPosition=previousViewProjection*finalPreviousWorld*previousInfluence*vec4(positionUpdated,1.0);\n#else\nvPreviousPosition=previousViewProjection*finalPreviousWorld*vec4(positionUpdated,1.0);\n#endif\n#endif\n#if defined(POSITION) || defined(BUMP)\nvPositionW=pos.xyz/pos.w;\n#endif\ngl_Position=viewProjection*finalWorld*vec4(positionUpdated,1.0);\n#ifdef NEED_UV\n#ifdef UV1\n#if defined(ALPHATEST) && defined(ALPHATEST_UV1)\nvUV=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#else\nvUV=uv;\n#endif\n#ifdef BUMP_UV1\nvBumpUV=vec2(bumpMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef REFLECTIVITY_UV1\nvReflectivityUV=vec2(reflectivityMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#endif\n#ifdef UV2\n#if defined(ALPHATEST) && defined(ALPHATEST_UV2)\nvUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#else\nvUV=uv2;\n#endif\n#ifdef BUMP_UV2\nvBumpUV=vec2(bumpMatrix*vec4(uv2,1.0,0.0));\n#endif\n#ifdef REFLECTIVITY_UV2\nvReflectivityUV=vec2(reflectivityMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#endif\n#include<bumpVertex>\n}\n";
        var nb = function() {
            function e(t, i) {
                void 0 === i && (i = 1),
                this._previousTransformationMatrices = {},
                this._previousBonesTransformationMatrices = {},
                this.excludedSkinnedMeshesFromVelocity = [],
                this.renderTransparentMeshes = !0,
                this._resizeObserver = null,
                this._enablePosition = !1,
                this._enableVelocity = !1,
                this._enableReflectivity = !1,
                this._positionIndex = -1,
                this._velocityIndex = -1,
                this._reflectivityIndex = -1,
                this._depthIndex = -1,
                this._normalIndex = -1,
                this._linkedWithPrePass = !1,
                this._scene = t,
                this._ratio = i,
                this._useUbo = t.getEngine().supportsUniformBuffers,
                e._SceneComponentInitialization(this._scene),
                this._createRenderTargets()
            }
            return e.prototype._linkPrePassRenderer = function(e) {
                this._linkedWithPrePass = !0,
                this._prePassRenderer = e,
                this._multiRenderTarget && (this._multiRenderTarget.onClearObservable.clear(),
                this._multiRenderTarget.onClearObservable.add((function() {}
                )))
            }
            ,
            e.prototype._unlinkPrePassRenderer = function() {
                this._linkedWithPrePass = !1,
                this._createRenderTargets()
            }
            ,
            e.prototype._resetLayout = function() {
                this._enablePosition = !1,
                this._enableReflectivity = !1,
                this._enableVelocity = !1,
                this._attachments = []
            }
            ,
            e.prototype._forceTextureType = function(t, i) {
                t === e.POSITION_TEXTURE_TYPE ? (this._positionIndex = i,
                this._enablePosition = !0) : t === e.VELOCITY_TEXTURE_TYPE ? (this._velocityIndex = i,
                this._enableVelocity = !0) : t === e.REFLECTIVITY_TEXTURE_TYPE ? (this._reflectivityIndex = i,
                this._enableReflectivity = !0) : t === e.DEPTH_TEXTURE_TYPE ? this._depthIndex = i : t === e.NORMAL_TEXTURE_TYPE && (this._normalIndex = i)
            }
            ,
            e.prototype._setAttachments = function(e) {
                this._attachments = e
            }
            ,
            e.prototype._linkInternalTexture = function(e) {
                this._multiRenderTarget.setInternalTexture(e, 0, !1)
            }
            ,
            Object.defineProperty(e.prototype, "renderList", {
                get: function() {
                    return this._multiRenderTarget.renderList
                },
                set: function(e) {
                    this._multiRenderTarget.renderList = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    return this._multiRenderTarget.isSupported
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getTextureIndex = function(t) {
                switch (t) {
                case e.POSITION_TEXTURE_TYPE:
                    return this._positionIndex;
                case e.VELOCITY_TEXTURE_TYPE:
                    return this._velocityIndex;
                case e.REFLECTIVITY_TEXTURE_TYPE:
                    return this._reflectivityIndex;
                default:
                    return -1
                }
            }
            ,
            Object.defineProperty(e.prototype, "enablePosition", {
                get: function() {
                    return this._enablePosition
                },
                set: function(e) {
                    this._enablePosition = e,
                    this._linkedWithPrePass || (this.dispose(),
                    this._createRenderTargets())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enableVelocity", {
                get: function() {
                    return this._enableVelocity
                },
                set: function(e) {
                    this._enableVelocity = e,
                    e || (this._previousTransformationMatrices = {}),
                    this._linkedWithPrePass || (this.dispose(),
                    this._createRenderTargets()),
                    this._scene.needsPreviousWorldMatrices = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "enableReflectivity", {
                get: function() {
                    return this._enableReflectivity
                },
                set: function(e) {
                    this._enableReflectivity = e,
                    this._linkedWithPrePass || (this.dispose(),
                    this._createRenderTargets())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ratio", {
                get: function() {
                    return this._ratio
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.isReady = function(e, t) {
                var i = e.getMaterial();
                if (i && i.disableDepthWrite)
                    return !1;
                var n = []
                  , r = [Bi.PositionKind, Bi.NormalKind]
                  , o = e.getMesh();
                if (i) {
                    var a = !1;
                    i.needAlphaTesting() && i.getAlphaTestTexture() && (n.push("#define ALPHATEST"),
                    n.push("#define ALPHATEST_UV".concat(i.getAlphaTestTexture().coordinatesIndex + 1)),
                    a = !0),
                    i.bumpTexture && vs.BumpTextureEnabled && (n.push("#define BUMP"),
                    n.push("#define BUMP_UV".concat(i.bumpTexture.coordinatesIndex + 1)),
                    a = !0),
                    this._enableReflectivity && (i.specularTexture ? (n.push("#define HAS_SPECULAR"),
                    n.push("#define REFLECTIVITY_UV".concat(i.specularTexture.coordinatesIndex + 1)),
                    a = !0) : i.reflectivityTexture && (n.push("#define HAS_REFLECTIVITY"),
                    n.push("#define REFLECTIVITY_UV".concat(i.reflectivityTexture.coordinatesIndex + 1)),
                    a = !0)),
                    a && (n.push("#define NEED_UV"),
                    o.isVerticesDataPresent(Bi.UVKind) && (r.push(Bi.UVKind),
                    n.push("#define UV1")),
                    o.isVerticesDataPresent(Bi.UV2Kind) && (r.push(Bi.UV2Kind),
                    n.push("#define UV2")))
                }
                this._linkedWithPrePass && (n.push("#define PREPASS"),
                -1 !== this._depthIndex && (n.push("#define DEPTH_INDEX " + this._depthIndex),
                n.push("#define PREPASS_DEPTH")),
                -1 !== this._normalIndex && (n.push("#define NORMAL_INDEX " + this._normalIndex),
                n.push("#define PREPASS_NORMAL"))),
                this._enablePosition && (n.push("#define POSITION"),
                n.push("#define POSITION_INDEX " + this._positionIndex)),
                this._enableVelocity && (n.push("#define VELOCITY"),
                n.push("#define VELOCITY_INDEX " + this._velocityIndex),
                -1 === this.excludedSkinnedMeshesFromVelocity.indexOf(o) && n.push("#define BONES_VELOCITY_ENABLED")),
                this._enableReflectivity && (n.push("#define REFLECTIVITY"),
                n.push("#define REFLECTIVITY_INDEX " + this._reflectivityIndex)),
                o.useBones && o.computeBonesUsingShaders ? (r.push(Bi.MatricesIndicesKind),
                r.push(Bi.MatricesWeightsKind),
                o.numBoneInfluencers > 4 && (r.push(Bi.MatricesIndicesExtraKind),
                r.push(Bi.MatricesWeightsExtraKind)),
                n.push("#define NUM_BONE_INFLUENCERS " + o.numBoneInfluencers),
                n.push("#define BonesPerMesh " + (o.skeleton ? o.skeleton.bones.length + 1 : 0))) : n.push("#define NUM_BONE_INFLUENCERS 0");
                var s = o.morphTargetManager
                  , l = 0;
                s && s.numInfluencers > 0 && (l = s.numInfluencers,
                n.push("#define MORPHTARGETS"),
                n.push("#define NUM_MORPH_INFLUENCERS " + l),
                s.isUsingTextureForTargets && n.push("#define MORPHTARGETS_TEXTURE"),
                Mr.PrepareAttributesForMorphTargetsInfluencers(r, o, l)),
                t && (n.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(r, this._enableVelocity),
                e.getRenderingMesh().hasThinInstances && n.push("#define THIN_INSTANCES")),
                this._linkedWithPrePass ? n.push("#define RENDER_TARGET_COUNT " + this._attachments.length) : n.push("#define RENDER_TARGET_COUNT " + this._multiRenderTarget.textures.length);
                var c = e._getDrawWrapper(void 0, !0)
                  , u = c.defines
                  , h = n.join("\n");
                return u !== h && c.setEffect(this._scene.getEngine().createEffect("geometry", {
                    attributes: r,
                    uniformsNames: ["world", "mBones", "viewProjection", "diffuseMatrix", "view", "previousWorld", "previousViewProjection", "mPreviousBones", "bumpMatrix", "reflectivityMatrix", "vTangentSpaceParams", "vBumpInfos", "morphTargetInfluences", "morphTargetTextureInfo", "morphTargetTextureIndices"],
                    samplers: ["diffuseSampler", "bumpSampler", "reflectivitySampler", "morphTargets"],
                    defines: h,
                    onCompiled: null,
                    fallbacks: null,
                    onError: null,
                    uniformBuffersNames: ["Scene"],
                    indexParameters: {
                        buffersCount: this._multiRenderTarget.textures.length - 1,
                        maxSimultaneousMorphTargets: l
                    }
                }, this._scene.getEngine()), h),
                c.effect.isReady()
            }
            ,
            e.prototype.getGBuffer = function() {
                return this._multiRenderTarget
            }
            ,
            Object.defineProperty(e.prototype, "samples", {
                get: function() {
                    return this._multiRenderTarget.samples
                },
                set: function(e) {
                    this._multiRenderTarget.samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this._resizeObserver && (this._scene.getEngine().onResizeObservable.remove(this._resizeObserver),
                this._resizeObserver = null),
                this.getGBuffer().dispose()
            }
            ,
            e.prototype._assignRenderTargetIndices = function() {
                var e = []
                  , t = 2;
                return e.push("gBuffer_Depth", "gBuffer_Normal"),
                this._enablePosition && (this._positionIndex = t,
                t++,
                e.push("gBuffer_Position")),
                this._enableVelocity && (this._velocityIndex = t,
                t++,
                e.push("gBuffer_Velocity")),
                this._enableReflectivity && (this._reflectivityIndex = t,
                t++,
                e.push("gBuffer_Reflectivity")),
                [t, e]
            }
            ,
            e.prototype._createRenderTargets = function() {
                var e = this
                  , t = this._scene.getEngine()
                  , i = this._assignRenderTargetIndices()
                  , n = i[0]
                  , r = i[1]
                  , o = a.TEXTURETYPE_UNSIGNED_BYTE;
                if (t._caps.textureFloat && t._caps.textureFloatLinearFiltering ? o = a.TEXTURETYPE_FLOAT : t._caps.textureHalfFloat && t._caps.textureHalfFloatLinearFiltering && (o = a.TEXTURETYPE_HALF_FLOAT),
                this._multiRenderTarget = new pm("gBuffer",{
                    width: t.getRenderWidth() * this._ratio,
                    height: t.getRenderHeight() * this._ratio
                },n,this._scene,{
                    generateMipMaps: !1,
                    generateDepthTexture: !0,
                    defaultType: o
                },r.concat("gBuffer_DepthBuffer")),
                this.isSupported) {
                    this._multiRenderTarget.wrapU = io.CLAMP_ADDRESSMODE,
                    this._multiRenderTarget.wrapV = io.CLAMP_ADDRESSMODE,
                    this._multiRenderTarget.refreshRate = 1,
                    this._multiRenderTarget.renderParticles = !1,
                    this._multiRenderTarget.renderList = null,
                    this._multiRenderTarget.onClearObservable.add((function(e) {
                        e.clear(new N(0,0,0,0), !0, !0, !0)
                    }
                    )),
                    this._resizeObserver = t.onResizeObservable.add((function() {
                        e._multiRenderTarget && e._multiRenderTarget.resize({
                            width: t.getRenderWidth() * e._ratio,
                            height: t.getRenderHeight() * e._ratio
                        })
                    }
                    ));
                    var s = function(t) {
                        var i = t.getRenderingMesh()
                          , n = t.getEffectiveMesh()
                          , r = e._scene
                          , o = r.getEngine()
                          , a = t.getMaterial();
                        if (a) {
                            if (n._internalAbstractMeshDataInfo._isActiveIntermediate = !1,
                            e._enableVelocity && !e._previousTransformationMatrices[n.uniqueId] && (e._previousTransformationMatrices[n.uniqueId] = {
                                world: P.Identity(),
                                viewProjection: r.getTransformMatrix()
                            },
                            i.skeleton)) {
                                var s = i.skeleton.getTransformMatrices(i);
                                e._previousBonesTransformationMatrices[i.uniqueId] = e._copyBonesTransformationMatrices(s, new Float32Array(s.length))
                            }
                            var l = i._getInstancesRenderList(t._id, !!t.getReplacementMesh());
                            if (!l.mustReturn) {
                                var c = o.getCaps().instancedArrays && (null !== l.visibleInstances[t._id] || i.hasThinInstances)
                                  , u = n.getWorldMatrix();
                                if (e.isReady(t, c)) {
                                    var h = t._getDrawWrapper();
                                    if (!h)
                                        return;
                                    var d = h.effect;
                                    if (o.enableEffect(h),
                                    c || i._bind(t, d, a.fillMode),
                                    e._useUbo ? (Mr.BindSceneUniformBuffer(d, e._scene.getSceneUniformBuffer()),
                                    e._scene.finalizeSceneUbo()) : (d.setMatrix("viewProjection", r.getTransformMatrix()),
                                    d.setMatrix("view", r.getViewMatrix())),
                                    a) {
                                        var p = void 0
                                          , f = i._instanceDataStorage;
                                        if (f.isFrozen || !a.backFaceCulling && null === i.overrideMaterialSideOrientation)
                                            p = f.sideOrientation;
                                        else {
                                            var _ = n._getWorldMatrixDeterminant();
                                            null === (p = i.overrideMaterialSideOrientation) && (p = a.sideOrientation),
                                            _ < 0 && (p = p === Or.ClockWiseSideOrientation ? Or.CounterClockWiseSideOrientation : Or.ClockWiseSideOrientation)
                                        }
                                        if (a._preBind(h, p),
                                        a.needAlphaTesting()) {
                                            var m = a.getAlphaTestTexture();
                                            m && (d.setTexture("diffuseSampler", m),
                                            d.setMatrix("diffuseMatrix", m.getTextureMatrix()))
                                        }
                                        a.bumpTexture && r.getEngine().getCaps().standardDerivatives && vs.BumpTextureEnabled && (d.setFloat3("vBumpInfos", a.bumpTexture.coordinatesIndex, 1 / a.bumpTexture.level, a.parallaxScaleBias),
                                        d.setMatrix("bumpMatrix", a.bumpTexture.getTextureMatrix()),
                                        d.setTexture("bumpSampler", a.bumpTexture),
                                        d.setFloat2("vTangentSpaceParams", a.invertNormalMapX ? -1 : 1, a.invertNormalMapY ? -1 : 1)),
                                        e._enableReflectivity && (a.specularTexture ? (d.setMatrix("reflectivityMatrix", a.specularTexture.getTextureMatrix()),
                                        d.setTexture("reflectivitySampler", a.specularTexture)) : a.reflectivityTexture && (d.setMatrix("reflectivityMatrix", a.reflectivityTexture.getTextureMatrix()),
                                        d.setTexture("reflectivitySampler", a.reflectivityTexture)))
                                    }
                                    i.useBones && i.computeBonesUsingShaders && i.skeleton && (d.setMatrices("mBones", i.skeleton.getTransformMatrices(i)),
                                    e._enableVelocity && d.setMatrices("mPreviousBones", e._previousBonesTransformationMatrices[i.uniqueId])),
                                    Mr.BindMorphTargetParameters(i, d),
                                    i.morphTargetManager && i.morphTargetManager.isUsingTextureForTargets && i.morphTargetManager._bind(d),
                                    e._enableVelocity && (d.setMatrix("previousWorld", e._previousTransformationMatrices[n.uniqueId].world),
                                    d.setMatrix("previousViewProjection", e._previousTransformationMatrices[n.uniqueId].viewProjection)),
                                    c && i.hasThinInstances && d.setMatrix("world", u),
                                    i._processRendering(n, t, d, a.fillMode, l, c, (function(e, t) {
                                        e || d.setMatrix("world", t)
                                    }
                                    ))
                                }
                                e._enableVelocity && (e._previousTransformationMatrices[n.uniqueId].world = u.clone(),
                                e._previousTransformationMatrices[n.uniqueId].viewProjection = e._scene.getTransformMatrix().clone(),
                                i.skeleton && e._copyBonesTransformationMatrices(i.skeleton.getTransformMatrices(i), e._previousBonesTransformationMatrices[n.uniqueId]))
                            }
                        }
                    };
                    this._multiRenderTarget.customIsReadyFunction = function(i, n) {
                        if (!i.isReady(!1))
                            return !1;
                        if (0 === n && i.subMeshes)
                            for (var r = 0; r < i.subMeshes.length; ++r) {
                                var o = i.subMeshes[r]
                                  , a = o.getMaterial()
                                  , s = o.getRenderingMesh();
                                if (a) {
                                    var l = s._getInstancesRenderList(o._id, !!o.getReplacementMesh())
                                      , c = t.getCaps().instancedArrays && (null !== l.visibleInstances[o._id] || s.hasThinInstances);
                                    if (!e.isReady(o, c))
                                        return !1
                                }
                            }
                        return !0
                    }
                    ,
                    this._multiRenderTarget.customRenderFunction = function(i, n, r, o) {
                        var a;
                        if (e._linkedWithPrePass) {
                            if (!e._prePassRenderer.enabled)
                                return;
                            e._scene.getEngine().bindAttachments(e._attachments)
                        }
                        if (o.length) {
                            for (t.setColorWrite(!1),
                            a = 0; a < o.length; a++)
                                s(o.data[a]);
                            t.setColorWrite(!0)
                        }
                        for (a = 0; a < i.length; a++)
                            s(i.data[a]);
                        for (t.setDepthWrite(!1),
                        a = 0; a < n.length; a++)
                            s(n.data[a]);
                        if (e.renderTransparentMeshes)
                            for (a = 0; a < r.length; a++)
                                s(r.data[a]);
                        t.setDepthWrite(!0)
                    }
                }
            }
            ,
            e.prototype._copyBonesTransformationMatrices = function(e, t) {
                for (var i = 0; i < e.length; i++)
                    t[i] = e[i];
                return t
            }
            ,
            e.DEPTH_TEXTURE_TYPE = 0,
            e.NORMAL_TEXTURE_TYPE = 1,
            e.POSITION_TEXTURE_TYPE = 2,
            e.VELOCITY_TEXTURE_TYPE = 3,
            e.REFLECTIVITY_TEXTURE_TYPE = 4,
            e._SceneComponentInitialization = function(e) {
                throw be("GeometryBufferRendererSceneComponent")
            }
            ,
            e
        }()
          , rb = function() {
            this.enabled = !1,
            this.name = "motionBlur",
            this.texturesRequired = [a.PREPASS_VELOCITY_TEXTURE_TYPE]
        };
        Object.defineProperty(mn.prototype, "geometryBufferRenderer", {
            get: function() {
                return this._geometryBufferRenderer
            },
            set: function(e) {
                e && e.isSupported && (this._geometryBufferRenderer = e)
            },
            enumerable: !0,
            configurable: !0
        }),
        mn.prototype.enableGeometryBufferRenderer = function(e) {
            return void 0 === e && (e = 1),
            this._geometryBufferRenderer || (this._geometryBufferRenderer = new nb(this,e),
            this._geometryBufferRenderer.isSupported || (this._geometryBufferRenderer = null)),
            this._geometryBufferRenderer
        }
        ,
        mn.prototype.disableGeometryBufferRenderer = function() {
            this._geometryBufferRenderer && (this._geometryBufferRenderer.dispose(),
            this._geometryBufferRenderer = null)
        }
        ;
        var ob = function() {
            function e(e) {
                this.name = Wi.NAME_GEOMETRYBUFFERRENDERER,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._gatherRenderTargetsStage.registerStep(Wi.STEP_GATHERRENDERTARGETS_GEOMETRYBUFFERRENDERER, this, this._gatherRenderTargets)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {}
            ,
            e.prototype._gatherRenderTargets = function(e) {
                this.scene._geometryBufferRenderer && e.push(this.scene._geometryBufferRenderer.getGBuffer())
            }
            ,
            e
        }();
        nb._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_GEOMETRYBUFFERRENDERER);
            t || (t = new ob(e),
            e._addComponent(t))
        }
        ;
        Pt.ShadersStore.motionBlurPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform float motionStrength;\nuniform float motionScale;\nuniform vec2 screenSize;\n#ifdef OBJECT_BASED\nuniform sampler2D velocitySampler;\n#else\nuniform sampler2D depthSampler;\nuniform mat4 inverseViewProjection;\nuniform mat4 prevViewProjection;\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\n#ifdef GEOMETRY_SUPPORTED\n#ifdef OBJECT_BASED\nvec2 texelSize=1.0/screenSize;\nvec4 velocityColor=texture2D(velocitySampler,vUV);\nvelocityColor.rg=velocityColor.rg*2.0-vec2(1.0);\nvec2 velocity=vec2(pow(velocityColor.r,3.0),pow(velocityColor.g,3.0))*velocityColor.a;\nvelocity*=motionScale*motionStrength;\nfloat speed=length(velocity/texelSize);\nint samplesCount=int(clamp(speed,1.0,SAMPLES));\nvelocity=normalize(velocity)*texelSize;\nfloat hlim=float(-samplesCount)*0.5+0.5;\nvec4 result=texture2D(textureSampler,vUV);\nfor (int i=1; i<int(SAMPLES); ++i)\n{\nif (i>=samplesCount)\nbreak;\nvec2 offset=vUV+velocity*(hlim+float(i));\nresult+=texture2D(textureSampler,offset);\n}\ngl_FragColor=result/float(samplesCount);\ngl_FragColor.a=1.0;\n#else\nvec2 texelSize=1.0/screenSize;\nfloat depth=texture2D(depthSampler,vUV).r;\nvec4 cpos=vec4(vUV*2.0-1.0,depth,1.0);\ncpos=cpos*inverseViewProjection;\nvec4 ppos=cpos*prevViewProjection;\nppos.xyz/=ppos.w;\nppos.xy=ppos.xy*0.5+0.5;\nvec2 velocity=(ppos.xy-vUV)*motionScale*motionStrength;\nfloat speed=length(velocity/texelSize);\nint nSamples=int(clamp(speed,1.0,SAMPLES));\nvec4 result=texture2D(textureSampler,vUV);\nfor (int i=1; i<int(SAMPLES); ++i) {\nif (i>=nSamples)\nbreak;\nvec2 offset1=vUV+velocity*(float(i)/float(nSamples-1)-0.5);\nresult+=texture2D(textureSampler,offset1);\n}\ngl_FragColor=result/float(nSamples);\n#endif\n#else\ngl_FragColor=texture2D(textureSampler,vUV);\n#endif\n}\n";
        var ab = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === u && (u = !1),
                void 0 === h && (h = !1);
                var d = e.call(this, t, "motionBlur", ["motionStrength", "motionScale", "screenSize", "inverseViewProjection", "prevViewProjection"], ["velocitySampler"], n, r, o, s, l, "#define GEOMETRY_SUPPORTED\n#define SAMPLES 64.0\n#define OBJECT_BASED", c, void 0, null, u) || this;
                return d.motionStrength = 1,
                d._motionBlurSamples = 32,
                d._isObjectBased = !0,
                d._forceGeometryBuffer = !1,
                d._invViewProjection = null,
                d._previousViewProjection = null,
                d._forceGeometryBuffer = h,
                d._forceGeometryBuffer ? (i.enableGeometryBufferRenderer(),
                d._geometryBufferRenderer && (d._geometryBufferRenderer.enableVelocity = !0)) : (i.enablePrePassRenderer(),
                d._prePassRenderer && (d._prePassRenderer.markAsDirty(),
                d._prePassEffectConfiguration = new rb)),
                d._applyMode(),
                d
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "motionBlurSamples", {
                get: function() {
                    return this._motionBlurSamples
                },
                set: function(e) {
                    this._motionBlurSamples = e,
                    this._updateEffect()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "isObjectBased", {
                get: function() {
                    return this._isObjectBased
                },
                set: function(e) {
                    this._isObjectBased !== e && (this._isObjectBased = e,
                    this._applyMode())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_geometryBufferRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? this._scene.geometryBufferRenderer : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_prePassRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? null : this._scene.prePassRenderer
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "MotionBlurPostProcess"
            }
            ,
            t.prototype.excludeSkinnedMesh = function(e) {
                if (e.skeleton) {
                    var t = void 0;
                    if (this._geometryBufferRenderer)
                        t = this._geometryBufferRenderer.excludedSkinnedMeshesFromVelocity;
                    else {
                        if (!this._prePassRenderer)
                            return;
                        t = this._prePassRenderer.excludedSkinnedMesh
                    }
                    t.push(e)
                }
            }
            ,
            t.prototype.removeExcludedSkinnedMesh = function(e) {
                if (e.skeleton) {
                    var t = void 0;
                    if (this._geometryBufferRenderer)
                        t = this._geometryBufferRenderer.excludedSkinnedMeshesFromVelocity;
                    else {
                        if (!this._prePassRenderer)
                            return;
                        t = this._prePassRenderer.excludedSkinnedMesh
                    }
                    var i = t.indexOf(e);
                    -1 !== i && t.splice(i, 1)
                }
            }
            ,
            t.prototype.dispose = function(t) {
                this._geometryBufferRenderer && (this._geometryBufferRenderer._previousTransformationMatrices = {},
                this._geometryBufferRenderer._previousBonesTransformationMatrices = {},
                this._geometryBufferRenderer.excludedSkinnedMeshesFromVelocity = []),
                e.prototype.dispose.call(this, t)
            }
            ,
            t.prototype._applyMode = function() {
                var e = this;
                if (!this._geometryBufferRenderer && !this._prePassRenderer)
                    return K.Warn("Multiple Render Target support needed to compute object based motion blur"),
                    this.updateEffect();
                this._updateEffect(),
                this._invViewProjection = null,
                this._previousViewProjection = null,
                this.isObjectBased ? (this._prePassRenderer && this._prePassEffectConfiguration && (this._prePassEffectConfiguration.texturesRequired[0] = a.PREPASS_VELOCITY_TEXTURE_TYPE),
                this.onApply = function(t) {
                    return e._onApplyObjectBased(t)
                }
                ) : (this._invViewProjection = P.Identity(),
                this._previousViewProjection = P.Identity(),
                this._prePassRenderer && this._prePassEffectConfiguration && (this._prePassEffectConfiguration.texturesRequired[0] = a.PREPASS_DEPTH_TEXTURE_TYPE),
                this.onApply = function(t) {
                    return e._onApplyScreenBased(t)
                }
                )
            }
            ,
            t.prototype._onApplyObjectBased = function(e) {
                if (e.setVector2("screenSize", new A(this.width,this.height)),
                e.setFloat("motionScale", this._scene.getAnimationRatio()),
                e.setFloat("motionStrength", this.motionStrength),
                this._geometryBufferRenderer) {
                    var t = this._geometryBufferRenderer.getTextureIndex(nb.VELOCITY_TEXTURE_TYPE);
                    e.setTexture("velocitySampler", this._geometryBufferRenderer.getGBuffer().textures[t])
                } else
                    this._prePassRenderer && (t = this._prePassRenderer.getIndex(a.PREPASS_VELOCITY_TEXTURE_TYPE),
                    e.setTexture("velocitySampler", this._prePassRenderer.getRenderTarget().textures[t]))
            }
            ,
            t.prototype._onApplyScreenBased = function(e) {
                var t = this._scene.getProjectionMatrix().multiply(this._scene.getViewMatrix());
                if (t.invertToRef(this._invViewProjection),
                e.setMatrix("inverseViewProjection", this._invViewProjection),
                e.setMatrix("prevViewProjection", this._previousViewProjection),
                this._previousViewProjection = t,
                e.setVector2("screenSize", new A(this.width,this.height)),
                e.setFloat("motionScale", this._scene.getAnimationRatio()),
                e.setFloat("motionStrength", this.motionStrength),
                this._geometryBufferRenderer) {
                    var i = this._geometryBufferRenderer.getTextureIndex(nb.DEPTH_TEXTURE_TYPE);
                    e.setTexture("depthSampler", this._geometryBufferRenderer.getGBuffer().textures[i])
                } else
                    this._prePassRenderer && (i = this._prePassRenderer.getIndex(a.PREPASS_DEPTH_TEXTURE_TYPE),
                    e.setTexture("depthSampler", this._prePassRenderer.getRenderTarget().textures[i]))
            }
            ,
            t.prototype._updateEffect = function() {
                if (this._geometryBufferRenderer || this._prePassRenderer) {
                    var e = ["#define GEOMETRY_SUPPORTED", "#define SAMPLES " + this._motionBlurSamples.toFixed(1), this._isObjectBased ? "#define OBJECT_BASED" : "#define SCREEN_BASED"];
                    this.updateEffect(e.join("\n"))
                }
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,n,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable,e.textureType,!1)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "motionStrength", void 0),
            k([Ce()], t.prototype, "motionBlurSamples", null),
            k([Ce()], t.prototype, "isObjectBased", null),
            t
        }(Ba);
        y("BABYLON.MotionBlurPostProcess", ab);
        Pt.ShadersStore.refractionPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform sampler2D refractionSampler;\nuniform vec3 baseColor;\nuniform float depth;\nuniform float colorLevel;\nvoid main() {\nfloat ref=1.0-texture2D(refractionSampler,vUV).r;\nvec2 uv=vUV-vec2(0.5);\nvec2 offset=uv*depth*ref;\nvec3 sourceColor=texture2D(textureSampler,vUV-offset).rgb;\ngl_FragColor=vec4(sourceColor+sourceColor*ref*colorLevel,1.0);\n}";
        var sb = function(e) {
            function t(t, i, n, r, o, a, s, l, c, u) {
                var h = e.call(this, t, "refraction", ["baseColor", "depth", "colorLevel"], ["refractionSampler"], a, s, l, c, u) || this;
                return h._ownRefractionTexture = !0,
                h.color = n,
                h.depth = r,
                h.colorLevel = o,
                h.refractionTextureUrl = i,
                h.onActivateObservable.add((function(e) {
                    h._refTexture = h._refTexture || new io(i,e.getScene())
                }
                )),
                h.onApplyObservable.add((function(e) {
                    e.setColor3("baseColor", h.color),
                    e.setFloat("depth", h.depth),
                    e.setFloat("colorLevel", h.colorLevel),
                    e.setTexture("refractionSampler", h._refTexture)
                }
                )),
                h
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "refractionTexture", {
                get: function() {
                    return this._refTexture
                },
                set: function(e) {
                    this._refTexture && this._ownRefractionTexture && this._refTexture.dispose(),
                    this._refTexture = e,
                    this._ownRefractionTexture = !1
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "RefractionPostProcess"
            }
            ,
            t.prototype.dispose = function(t) {
                this._refTexture && this._ownRefractionTexture && (this._refTexture.dispose(),
                this._refTexture = null),
                e.prototype.dispose.call(this, t)
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.refractionTextureUrl,e.color,e.depth,e.colorLevel,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "color", void 0),
            k([Ce()], t.prototype, "depth", void 0),
            k([Ce()], t.prototype, "colorLevel", void 0),
            k([Ce()], t.prototype, "refractionTextureUrl", void 0),
            t
        }(Ba);
        y("BABYLON.RefractionPostProcess", sb);
        Pt.ShadersStore.sharpenPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform vec2 screenSize;\nuniform vec2 sharpnessAmounts;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec2 onePixel=vec2(1.0,1.0)/screenSize;\nvec4 color=texture2D(textureSampler,vUV);\nvec4 edgeDetection=texture2D(textureSampler,vUV+onePixel*vec2(0,-1)) +\ntexture2D(textureSampler,vUV+onePixel*vec2(-1,0)) +\ntexture2D(textureSampler,vUV+onePixel*vec2(1,0)) +\ntexture2D(textureSampler,vUV+onePixel*vec2(0,1)) -\ncolor*4.0;\ngl_FragColor=max(vec4(color.rgb*sharpnessAmounts.y,color.a)-(sharpnessAmounts.x*vec4(edgeDetection.rgb,0)),0.);\n}";
        var lb = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === c && (c = !1);
                var u = e.call(this, t, "sharpen", ["sharpnessAmounts", "screenSize"], null, i, n, r, o, s, null, l, void 0, null, c) || this;
                return u.colorAmount = 1,
                u.edgeAmount = .3,
                u.onApply = function(e) {
                    e.setFloat2("screenSize", u.width, u.height),
                    e.setFloat2("sharpnessAmounts", u.edgeAmount, u.colorAmount)
                }
                ,
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SharpenPostProcess"
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.textureType,e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "colorAmount", void 0),
            k([Ce()], t.prototype, "edgeAmount", void 0),
            t
        }(Ba);
        y("BABYLON.SharpenPostProcess", lb);
        var cb = function() {
            function e(e, t) {
                this._engine = e,
                this._name = t,
                this._renderEffects = {},
                this._renderEffectsForIsolatedPass = new Array,
                this._cameras = []
            }
            return Object.defineProperty(e.prototype, "name", {
                get: function() {
                    return this._name
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cameras", {
                get: function() {
                    return this._cameras
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "PostProcessRenderPipeline"
            }
            ,
            Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    for (var e in this._renderEffects)
                        if (Object.prototype.hasOwnProperty.call(this._renderEffects, e) && !this._renderEffects[e].isSupported)
                            return !1;
                    return !0
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addEffect = function(e) {
                this._renderEffects[e._name] = e
            }
            ,
            e.prototype._rebuild = function() {}
            ,
            e.prototype._enableEffect = function(e, t) {
                var i = this._renderEffects[e];
                i && i._enable(gi.MakeArray(t || this._cameras))
            }
            ,
            e.prototype._disableEffect = function(e, t) {
                var i = this._renderEffects[e];
                i && i._disable(gi.MakeArray(t || this._cameras))
            }
            ,
            e.prototype._attachCameras = function(e, t) {
                var i = gi.MakeArray(e || this._cameras);
                if (i) {
                    var n, r = [];
                    for (n = 0; n < i.length; n++) {
                        var o = i[n];
                        if (o) {
                            var a = o.name;
                            -1 === this._cameras.indexOf(o) ? this._cameras[a] = o : t && r.push(n)
                        }
                    }
                    for (n = 0; n < r.length; n++)
                        i.splice(r[n], 1);
                    for (var s in this._renderEffects)
                        Object.prototype.hasOwnProperty.call(this._renderEffects, s) && this._renderEffects[s]._attachCameras(i)
                }
            }
            ,
            e.prototype._detachCameras = function(e) {
                var t = gi.MakeArray(e || this._cameras);
                if (t) {
                    for (var i in this._renderEffects)
                        Object.prototype.hasOwnProperty.call(this._renderEffects, i) && this._renderEffects[i]._detachCameras(t);
                    for (var n = 0; n < t.length; n++)
                        this._cameras.splice(this._cameras.indexOf(t[n]), 1)
                }
            }
            ,
            e.prototype._update = function() {
                for (var e in this._renderEffects)
                    Object.prototype.hasOwnProperty.call(this._renderEffects, e) && this._renderEffects[e]._update();
                for (var t = 0; t < this._cameras.length; t++)
                    if (this._cameras[t]) {
                        var i = this._cameras[t].name;
                        this._renderEffectsForIsolatedPass[i] && this._renderEffectsForIsolatedPass[i]._update()
                    }
            }
            ,
            e.prototype._reset = function() {
                this._renderEffects = {},
                this._renderEffectsForIsolatedPass = new Array
            }
            ,
            e.prototype._enableMSAAOnFirstPostProcess = function(e) {
                if (!this._engine._features.supportMSAA)
                    return !1;
                var t = Object.keys(this._renderEffects);
                if (t.length > 0) {
                    var i = this._renderEffects[t[0]].getPostProcesses();
                    i && (i[0].samples = e)
                }
                return !0
            }
            ,
            e.prototype.setPrePassRenderer = function(e) {
                return !1
            }
            ,
            e.prototype.dispose = function() {}
            ,
            k([Ce()], e.prototype, "_name", void 0),
            e
        }()
          , ub = function() {
            function e() {
                this._renderPipelines = {}
            }
            return Object.defineProperty(e.prototype, "supportedPipelines", {
                get: function() {
                    var e = [];
                    for (var t in this._renderPipelines)
                        if (Object.prototype.hasOwnProperty.call(this._renderPipelines, t)) {
                            var i = this._renderPipelines[t];
                            i.isSupported && e.push(i)
                        }
                    return e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addPipeline = function(e) {
                this._renderPipelines[e._name] = e
            }
            ,
            e.prototype.attachCamerasToRenderPipeline = function(e, t, i) {
                void 0 === i && (i = !1);
                var n = this._renderPipelines[e];
                n && n._attachCameras(t, i)
            }
            ,
            e.prototype.detachCamerasFromRenderPipeline = function(e, t) {
                var i = this._renderPipelines[e];
                i && i._detachCameras(t)
            }
            ,
            e.prototype.enableEffectInPipeline = function(e, t, i) {
                var n = this._renderPipelines[e];
                n && n._enableEffect(t, i)
            }
            ,
            e.prototype.disableEffectInPipeline = function(e, t, i) {
                var n = this._renderPipelines[e];
                n && n._disableEffect(t, i)
            }
            ,
            e.prototype.update = function() {
                for (var e in this._renderPipelines)
                    if (Object.prototype.hasOwnProperty.call(this._renderPipelines, e)) {
                        var t = this._renderPipelines[e];
                        t.isSupported ? t._update() : (t.dispose(),
                        delete this._renderPipelines[e])
                    }
            }
            ,
            e.prototype._rebuild = function() {
                for (var e in this._renderPipelines)
                    Object.prototype.hasOwnProperty.call(this._renderPipelines, e) && this._renderPipelines[e]._rebuild()
            }
            ,
            e.prototype.dispose = function() {
                for (var e in this._renderPipelines)
                    Object.prototype.hasOwnProperty.call(this._renderPipelines, e) && this._renderPipelines[e].dispose()
            }
            ,
            e
        }();
        Object.defineProperty(mn.prototype, "postProcessRenderPipelineManager", {
            get: function() {
                if (!this._postProcessRenderPipelineManager) {
                    var e = this._getComponent(Wi.NAME_POSTPROCESSRENDERPIPELINEMANAGER);
                    e || (e = new hb(this),
                    this._addComponent(e)),
                    this._postProcessRenderPipelineManager = new ub
                }
                return this._postProcessRenderPipelineManager
            },
            enumerable: !0,
            configurable: !0
        });
        var hb = function() {
            function e(e) {
                this.name = Wi.NAME_POSTPROCESSRENDERPIPELINEMANAGER,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._gatherRenderTargetsStage.registerStep(Wi.STEP_GATHERRENDERTARGETS_POSTPROCESSRENDERPIPELINEMANAGER, this, this._gatherRenderTargets)
            }
            ,
            e.prototype.rebuild = function() {
                this.scene._postProcessRenderPipelineManager && this.scene._postProcessRenderPipelineManager._rebuild()
            }
            ,
            e.prototype.dispose = function() {
                this.scene._postProcessRenderPipelineManager && this.scene._postProcessRenderPipelineManager.dispose()
            }
            ,
            e.prototype._gatherRenderTargets = function() {
                this.scene._postProcessRenderPipelineManager && this.scene._postProcessRenderPipelineManager.update()
            }
            ,
            e
        }()
          , db = function(e) {
            function t(t, i, n, r, o) {
                void 0 === t && (t = ""),
                void 0 === i && (i = !0),
                void 0 === n && (n = E.LastCreatedScene),
                void 0 === o && (o = !0);
                var s = e.call(this, n.getEngine(), t) || this;
                s._camerasToBeAttached = [],
                s.SharpenPostProcessId = "SharpenPostProcessEffect",
                s.ImageProcessingPostProcessId = "ImageProcessingPostProcessEffect",
                s.FxaaPostProcessId = "FxaaPostProcessEffect",
                s.ChromaticAberrationPostProcessId = "ChromaticAberrationPostProcessEffect",
                s.GrainPostProcessId = "GrainPostProcessEffect",
                s._glowLayer = null,
                s.animations = [],
                s._imageProcessingConfigurationObserver = null,
                s._sharpenEnabled = !1,
                s._bloomEnabled = !1,
                s._depthOfFieldEnabled = !1,
                s._depthOfFieldBlurLevel = Ky.Low,
                s._fxaaEnabled = !1,
                s._imageProcessingEnabled = !0,
                s._bloomScale = .5,
                s._chromaticAberrationEnabled = !1,
                s._grainEnabled = !1,
                s._buildAllowed = !0,
                s.onBuildObservable = new h,
                s._resizeObserver = null,
                s._hardwareScaleLevel = 1,
                s._bloomKernel = 64,
                s._bloomWeight = .15,
                s._bloomThreshold = .9,
                s._samples = 1,
                s._hasCleared = !1,
                s._prevPostProcess = null,
                s._prevPrevPostProcess = null,
                s._depthOfFieldSceneObserver = null,
                s._cameras = r || n.cameras,
                s._cameras = s._cameras.slice(),
                s._camerasToBeAttached = s._cameras.slice(),
                s._buildAllowed = o,
                s._scene = n;
                var l = s._scene.getEngine().getCaps();
                s._hdr = i && (l.textureHalfFloatRender || l.textureFloatRender),
                s._hdr ? l.textureHalfFloatRender ? s._defaultPipelineTextureType = a.TEXTURETYPE_HALF_FLOAT : l.textureFloatRender && (s._defaultPipelineTextureType = a.TEXTURETYPE_FLOAT) : s._defaultPipelineTextureType = a.TEXTURETYPE_UNSIGNED_INT,
                n.postProcessRenderPipelineManager.addPipeline(s);
                var c = s._scene.getEngine();
                return s.sharpen = new lb("sharpen",1,null,io.BILINEAR_SAMPLINGMODE,c,!1,s._defaultPipelineTextureType,!0),
                s._sharpenEffect = new Vy(c,s.SharpenPostProcessId,(function() {
                    return s.sharpen
                }
                ),!0),
                s.depthOfField = new Zy(s._scene,null,s._depthOfFieldBlurLevel,s._defaultPipelineTextureType,!0),
                s.bloom = new zy(s._scene,s._bloomScale,s._bloomWeight,s.bloomKernel,s._defaultPipelineTextureType,!0),
                s.chromaticAberration = new Wy("ChromaticAberration",c.getRenderWidth(),c.getRenderHeight(),1,null,io.BILINEAR_SAMPLINGMODE,c,!1,s._defaultPipelineTextureType,!0),
                s._chromaticAberrationEffect = new Vy(c,s.ChromaticAberrationPostProcessId,(function() {
                    return s.chromaticAberration
                }
                ),!0),
                s.grain = new tb("Grain",1,null,io.BILINEAR_SAMPLINGMODE,c,!1,s._defaultPipelineTextureType,!0),
                s._grainEffect = new Vy(c,s.GrainPostProcessId,(function() {
                    return s.grain
                }
                ),!0),
                s._resizeObserver = c.onResizeObservable.add((function() {
                    s._hardwareScaleLevel = c.getHardwareScalingLevel(),
                    s.bloomKernel = s._bloomKernel
                }
                )),
                s._imageProcessingConfigurationObserver = s._scene.imageProcessingConfiguration.onUpdateParameters.add((function() {
                    s.bloom._downscale._exposure = s._scene.imageProcessingConfiguration.exposure,
                    s.imageProcessingEnabled !== s._scene.imageProcessingConfiguration.isEnabled && (s._imageProcessingEnabled = s._scene.imageProcessingConfiguration.isEnabled,
                    s._buildPipeline())
                }
                )),
                s._buildPipeline(),
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "sharpenEnabled", {
                get: function() {
                    return this._sharpenEnabled
                },
                set: function(e) {
                    this._sharpenEnabled !== e && (this._sharpenEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bloomKernel", {
                get: function() {
                    return this._bloomKernel
                },
                set: function(e) {
                    this._bloomKernel = e,
                    this.bloom.kernel = e / this._hardwareScaleLevel
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bloomWeight", {
                get: function() {
                    return this._bloomWeight
                },
                set: function(e) {
                    this._bloomWeight !== e && (this.bloom.weight = e,
                    this._bloomWeight = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bloomThreshold", {
                get: function() {
                    return this._bloomThreshold
                },
                set: function(e) {
                    this._bloomThreshold !== e && (this.bloom.threshold = e,
                    this._bloomThreshold = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bloomScale", {
                get: function() {
                    return this._bloomScale
                },
                set: function(e) {
                    this._bloomScale !== e && (this._bloomScale = e,
                    this._rebuildBloom(),
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "bloomEnabled", {
                get: function() {
                    return this._bloomEnabled
                },
                set: function(e) {
                    this._bloomEnabled !== e && (this._bloomEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._rebuildBloom = function() {
                var e = this.bloom;
                this.bloom = new zy(this._scene,this.bloomScale,this._bloomWeight,this.bloomKernel,this._defaultPipelineTextureType,!1),
                this.bloom.threshold = e.threshold;
                for (var t = 0; t < this._cameras.length; t++)
                    e.disposeEffects(this._cameras[t])
            }
            ,
            Object.defineProperty(t.prototype, "depthOfFieldEnabled", {
                get: function() {
                    return this._depthOfFieldEnabled
                },
                set: function(e) {
                    this._depthOfFieldEnabled !== e && (this._depthOfFieldEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "depthOfFieldBlurLevel", {
                get: function() {
                    return this._depthOfFieldBlurLevel
                },
                set: function(e) {
                    if (this._depthOfFieldBlurLevel !== e) {
                        this._depthOfFieldBlurLevel = e;
                        var t = this.depthOfField;
                        this.depthOfField = new Zy(this._scene,null,this._depthOfFieldBlurLevel,this._defaultPipelineTextureType,!1),
                        this.depthOfField.focalLength = t.focalLength,
                        this.depthOfField.focusDistance = t.focusDistance,
                        this.depthOfField.fStop = t.fStop,
                        this.depthOfField.lensSize = t.lensSize;
                        for (var i = 0; i < this._cameras.length; i++)
                            t.disposeEffects(this._cameras[i]);
                        this._buildPipeline()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fxaaEnabled", {
                get: function() {
                    return this._fxaaEnabled
                },
                set: function(e) {
                    this._fxaaEnabled !== e && (this._fxaaEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "samples", {
                get: function() {
                    return this._samples
                },
                set: function(e) {
                    this._samples !== e && (this._samples = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "imageProcessingEnabled", {
                get: function() {
                    return this._imageProcessingEnabled
                },
                set: function(e) {
                    this._imageProcessingEnabled !== e && (this._scene.imageProcessingConfiguration.isEnabled = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "glowLayerEnabled", {
                get: function() {
                    return null != this._glowLayer
                },
                set: function(e) {
                    e && !this._glowLayer ? this._glowLayer = new qf("",this._scene) : !e && this._glowLayer && (this._glowLayer.dispose(),
                    this._glowLayer = null)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "glowLayer", {
                get: function() {
                    return this._glowLayer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "chromaticAberrationEnabled", {
                get: function() {
                    return this._chromaticAberrationEnabled
                },
                set: function(e) {
                    this._chromaticAberrationEnabled !== e && (this._chromaticAberrationEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "grainEnabled", {
                get: function() {
                    return this._grainEnabled
                },
                set: function(e) {
                    this._grainEnabled !== e && (this._grainEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "DefaultRenderingPipeline"
            }
            ,
            t.prototype.prepare = function() {
                var e = this._buildAllowed;
                this._buildAllowed = !0,
                this._buildPipeline(),
                this._buildAllowed = e
            }
            ,
            t.prototype._setAutoClearAndTextureSharing = function(e, t) {
                void 0 === t && (t = !1),
                this._hasCleared ? e.autoClear = !1 : (e.autoClear = !0,
                this._scene.autoClear = !1,
                this._hasCleared = !0),
                t || (this._prevPrevPostProcess ? e.shareOutputWith(this._prevPrevPostProcess) : e.useOwnOutput(),
                this._prevPostProcess && (this._prevPrevPostProcess = this._prevPostProcess),
                this._prevPostProcess = e)
            }
            ,
            t.prototype._buildPipeline = function() {
                var e = this;
                if (this._buildAllowed) {
                    this._scene.autoClear = !0;
                    var t = this._scene.getEngine();
                    if (this._disposePostProcesses(),
                    null !== this._cameras && (this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._cameras),
                    this._cameras = this._camerasToBeAttached.slice()),
                    this._reset(),
                    this._prevPostProcess = null,
                    this._prevPrevPostProcess = null,
                    this._hasCleared = !1,
                    this.depthOfFieldEnabled) {
                        if (this._cameras.length > 1) {
                            for (var i = 0, n = this._cameras; i < n.length; i++) {
                                var r = n[i];
                                (o = this._scene.enableDepthRenderer(r)).useOnlyInActiveCamera = !0
                            }
                            this._depthOfFieldSceneObserver = this._scene.onAfterRenderTargetsRenderObservable.add((function(t) {
                                e._cameras.indexOf(t.activeCamera) > -1 && (e.depthOfField.depthTexture = t.enableDepthRenderer(t.activeCamera).getDepthMap())
                            }
                            ))
                        } else {
                            this._scene.onAfterRenderTargetsRenderObservable.remove(this._depthOfFieldSceneObserver);
                            var o = this._scene.enableDepthRenderer(this._cameras[0]);
                            this.depthOfField.depthTexture = o.getDepthMap()
                        }
                        this.depthOfField._isReady() || this.depthOfField._updateEffects(),
                        this.addEffect(this.depthOfField),
                        this._setAutoClearAndTextureSharing(this.depthOfField._effects[0], !0)
                    } else
                        this._scene.onAfterRenderTargetsRenderObservable.remove(this._depthOfFieldSceneObserver);
                    this.bloomEnabled && (this.bloom._isReady() || this.bloom._updateEffects(),
                    this.addEffect(this.bloom),
                    this._setAutoClearAndTextureSharing(this.bloom._effects[0], !0)),
                    this._imageProcessingEnabled && (this.imageProcessing = new Fs("imageProcessing",1,null,io.BILINEAR_SAMPLINGMODE,t,!1,this._defaultPipelineTextureType,this.scene.imageProcessingConfiguration),
                    this._hdr ? (this.addEffect(new Vy(t,this.ImageProcessingPostProcessId,(function() {
                        return e.imageProcessing
                    }
                    ),!0)),
                    this._setAutoClearAndTextureSharing(this.imageProcessing)) : this._scene.imageProcessingConfiguration.applyByPostProcess = !1,
                    this.cameras && 0 !== this.cameras.length || (this._scene.imageProcessingConfiguration.applyByPostProcess = !1),
                    this.imageProcessing.getEffect() || this.imageProcessing._updateParameters()),
                    this.sharpenEnabled && (this.sharpen.isReady() || this.sharpen.updateEffect(),
                    this.addEffect(this._sharpenEffect),
                    this._setAutoClearAndTextureSharing(this.sharpen)),
                    this.grainEnabled && (this.grain.isReady() || this.grain.updateEffect(),
                    this.addEffect(this._grainEffect),
                    this._setAutoClearAndTextureSharing(this.grain)),
                    this.chromaticAberrationEnabled && (this.chromaticAberration.isReady() || this.chromaticAberration.updateEffect(),
                    this.addEffect(this._chromaticAberrationEffect),
                    this._setAutoClearAndTextureSharing(this.chromaticAberration)),
                    this.fxaaEnabled && (this.fxaa = new eb("fxaa",1,null,io.BILINEAR_SAMPLINGMODE,t,!1,this._defaultPipelineTextureType),
                    this.addEffect(new Vy(t,this.FxaaPostProcessId,(function() {
                        return e.fxaa
                    }
                    ),!0)),
                    this._setAutoClearAndTextureSharing(this.fxaa, !0)),
                    null !== this._cameras && this._scene.postProcessRenderPipelineManager.attachCamerasToRenderPipeline(this._name, this._cameras),
                    this._scene.activeCameras && this._scene.activeCameras.length > 1 && (this._scene.autoClear = !0),
                    !this._enableMSAAOnFirstPostProcess(this.samples) && this.samples > 1 && K.Warn("MSAA failed to enable, MSAA is only supported in browsers that support webGL >= 2.0"),
                    this.onBuildObservable.notifyObservers(this)
                }
            }
            ,
            t.prototype._disposePostProcesses = function(e) {
                void 0 === e && (e = !1);
                for (var t = 0; t < this._cameras.length; t++) {
                    var i = this._cameras[t];
                    this.imageProcessing && this.imageProcessing.dispose(i),
                    this.fxaa && this.fxaa.dispose(i),
                    e && (this.sharpen && this.sharpen.dispose(i),
                    this.depthOfField && (this._scene.onAfterRenderTargetsRenderObservable.remove(this._depthOfFieldSceneObserver),
                    this.depthOfField.disposeEffects(i)),
                    this.bloom && this.bloom.disposeEffects(i),
                    this.chromaticAberration && this.chromaticAberration.dispose(i),
                    this.grain && this.grain.dispose(i),
                    this._glowLayer && this._glowLayer.dispose())
                }
                this.imageProcessing = null,
                this.fxaa = null,
                e && (this.sharpen = null,
                this._sharpenEffect = null,
                this.depthOfField = null,
                this.bloom = null,
                this.chromaticAberration = null,
                this._chromaticAberrationEffect = null,
                this.grain = null,
                this._grainEffect = null,
                this._glowLayer = null)
            }
            ,
            t.prototype.addCamera = function(e) {
                this._camerasToBeAttached.push(e),
                this._buildPipeline()
            }
            ,
            t.prototype.removeCamera = function(e) {
                var t = this._camerasToBeAttached.indexOf(e);
                this._camerasToBeAttached.splice(t, 1),
                this._buildPipeline()
            }
            ,
            t.prototype.dispose = function() {
                this.onBuildObservable.clear(),
                this._disposePostProcesses(!0),
                this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._cameras),
                this._scene.autoClear = !0,
                this._resizeObserver && (this._scene.getEngine().onResizeObservable.remove(this._resizeObserver),
                this._resizeObserver = null),
                this._scene.imageProcessingConfiguration.onUpdateParameters.remove(this._imageProcessingConfigurationObserver),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.customType = "DefaultRenderingPipeline",
                e
            }
            ,
            t.Parse = function(e, i, n) {
                return Ge.Parse((function() {
                    return new t(e._name,e._name._hdr,i)
                }
                ), e, i, n)
            }
            ,
            k([Ce()], t.prototype, "sharpenEnabled", null),
            k([Ce()], t.prototype, "bloomKernel", null),
            k([Ce()], t.prototype, "_bloomWeight", void 0),
            k([Ce()], t.prototype, "_bloomThreshold", void 0),
            k([Ce()], t.prototype, "_hdr", void 0),
            k([Ce()], t.prototype, "bloomWeight", null),
            k([Ce()], t.prototype, "bloomThreshold", null),
            k([Ce()], t.prototype, "bloomScale", null),
            k([Ce()], t.prototype, "bloomEnabled", null),
            k([Ce()], t.prototype, "depthOfFieldEnabled", null),
            k([Ce()], t.prototype, "depthOfFieldBlurLevel", null),
            k([Ce()], t.prototype, "fxaaEnabled", null),
            k([Ce()], t.prototype, "samples", null),
            k([Ce()], t.prototype, "imageProcessingEnabled", null),
            k([Ce()], t.prototype, "glowLayerEnabled", null),
            k([Ce()], t.prototype, "chromaticAberrationEnabled", null),
            k([Ce()], t.prototype, "grainEnabled", null),
            t
        }(cb);
        y("BABYLON.DefaultRenderingPipeline", db);
        Pt.ShadersStore.lensHighlightsPixelShader = "uniform sampler2D textureSampler; \nuniform float gain;\nuniform float threshold;\nuniform float screen_width;\nuniform float screen_height;\nvarying vec2 vUV;\nvec4 highlightColor(vec4 color) {\nvec4 highlight=color;\nfloat luminance=dot(highlight.rgb,vec3(0.2125,0.7154,0.0721));\nfloat lum_threshold;\nif (threshold>1.0) { lum_threshold=0.94+0.01*threshold; }\nelse { lum_threshold=0.5+0.44*threshold; }\nluminance=clamp((luminance-lum_threshold)*(1.0/(1.0-lum_threshold)),0.0,1.0);\nhighlight*=luminance*gain;\nhighlight.a=1.0;\nreturn highlight;\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\nvec4 original=texture2D(textureSampler,vUV);\nif (gain==-1.0) {\ngl_FragColor=vec4(0.0,0.0,0.0,1.0);\nreturn;\n}\nfloat w=2.0/screen_width;\nfloat h=2.0/screen_height;\nfloat weight=1.0;\nvec4 blurred=vec4(0.0,0.0,0.0,0.0);\n#ifdef PENTAGON\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.84*w,0.43*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.48*w,-1.29*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.61*w,1.51*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.55*w,-0.74*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.71*w,-0.52*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.94*w,1.59*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.40*w,-1.87*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.62*w,1.16*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.09*w,0.25*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.46*w,-1.71*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.08*w,2.42*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.85*w,-1.89*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.89*w,0.16*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.29*w,1.88*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.40*w,-2.81*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.54*w,2.26*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.60*w,-0.61*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.31*w,-1.30*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.83*w,2.53*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.12*w,-2.48*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.60*w,1.11*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.82*w,0.99*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.50*w,-2.81*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.85*w,3.33*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.94*w,-1.92*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(3.27*w,-0.53*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.95*w,2.48*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.23*w,-3.04*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.17*w,2.05*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.97*w,-0.04*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.25*w,-2.00*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.31*w,3.08*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.94*w,-2.59*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(3.37*w,0.64*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-3.13*w,1.93*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.03*w,-3.65*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.60*w,3.17*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-3.14*w,-1.19*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(3.00*w,-1.19*h)));\n#else\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.85*w,0.36*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.52*w,-1.14*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.46*w,1.42*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.46*w,-0.83*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.79*w,-0.42*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.11*w,1.62*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.29*w,-2.07*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.69*w,1.39*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.28*w,0.12*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.65*w,-1.69*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.08*w,2.44*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.63*w,-1.90*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.55*w,0.31*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.13*w,1.52*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.56*w,-2.61*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.38*w,2.34*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.64*w,-0.81*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.53*w,-1.21*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.06*w,2.63*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.00*w,-2.69*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.59*w,1.32*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.82*w,0.78*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.57*w,-2.50*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(0.54*w,2.93*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.39*w,-1.81*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(3.01*w,-0.28*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.04*w,2.25*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.02*w,-3.05*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.09*w,2.25*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-3.07*w,-0.25*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.44*w,-1.90*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-0.52*w,3.05*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-1.68*w,-2.61*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(3.01*w,0.79*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.76*w,1.46*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.05*w,-2.94*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(1.21*w,2.88*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(-2.84*w,-1.30*h)));\nblurred+=highlightColor(texture2D(textureSampler,vUV+vec2(2.98*w,-0.96*h)));\n#endif\nblurred/=39.0;\ngl_FragColor=blurred;\n}";
        Pt.ShadersStore.depthOfFieldPixelShader = "uniform sampler2D textureSampler;\nuniform sampler2D highlightsSampler;\nuniform sampler2D depthSampler;\nuniform sampler2D grainSampler;\nuniform float grain_amount;\nuniform bool blur_noise;\nuniform float screen_width;\nuniform float screen_height;\nuniform float distortion;\nuniform bool dof_enabled;\nuniform float screen_distance; \nuniform float aperture;\nuniform float darken;\nuniform float edge_blur;\nuniform bool highlights;\nuniform float near;\nuniform float far;\nvarying vec2 vUV;\n#define PI 3.14159265\n#define TWOPI 6.28318530\n#define inverse_focal_length 0.1 \nvec2 centered_screen_pos;\nvec2 distorted_coords;\nfloat radius2;\nfloat radius;\nvec2 rand(vec2 co)\n{\nfloat noise1=(fract(sin(dot(co,vec2(12.9898,78.233)))*43758.5453));\nfloat noise2=(fract(sin(dot(co,vec2(12.9898,78.233)*2.0))*43758.5453));\nreturn clamp(vec2(noise1,noise2),0.0,1.0);\n}\nvec2 getDistortedCoords(vec2 coords) {\nif (distortion==0.0) { return coords; }\nvec2 direction=1.0*normalize(centered_screen_pos);\nvec2 dist_coords=vec2(0.5,0.5);\ndist_coords.x=0.5+direction.x*radius2*1.0;\ndist_coords.y=0.5+direction.y*radius2*1.0;\nfloat dist_amount=clamp(distortion*0.23,0.0,1.0);\ndist_coords=mix(coords,dist_coords,dist_amount);\nreturn dist_coords;\n}\nfloat sampleScreen(inout vec4 color,in vec2 offset,in float weight) {\nvec2 coords=distorted_coords;\nfloat angle=rand(coords*100.0).x*TWOPI;\ncoords+=vec2(offset.x*cos(angle)-offset.y*sin(angle),offset.x*sin(angle)+offset.y*cos(angle));\ncolor+=texture2D(textureSampler,coords)*weight;\nreturn weight;\n}\nfloat getBlurLevel(float size) {\nreturn min(3.0,ceil(size/1.0));\n}\nvec4 getBlurColor(float size) {\nvec4 col=texture2D(textureSampler,distorted_coords);\nfloat blur_level=getBlurLevel(size);\nfloat w=(size/screen_width);\nfloat h=(size/screen_height);\nfloat total_weight=1.0;\nvec2 sample_coords;\ntotal_weight+=sampleScreen(col,vec2(-0.50*w,0.24*h),0.93);\ntotal_weight+=sampleScreen(col,vec2(0.30*w,-0.75*h),0.90);\ntotal_weight+=sampleScreen(col,vec2(0.36*w,0.96*h),0.87);\ntotal_weight+=sampleScreen(col,vec2(-1.08*w,-0.55*h),0.85);\ntotal_weight+=sampleScreen(col,vec2(1.33*w,-0.37*h),0.83);\ntotal_weight+=sampleScreen(col,vec2(-0.82*w,1.31*h),0.80);\ntotal_weight+=sampleScreen(col,vec2(-0.31*w,-1.67*h),0.78);\ntotal_weight+=sampleScreen(col,vec2(1.47*w,1.11*h),0.76);\ntotal_weight+=sampleScreen(col,vec2(-1.97*w,0.19*h),0.74);\ntotal_weight+=sampleScreen(col,vec2(1.42*w,-1.57*h),0.72);\nif (blur_level>1.0) {\ntotal_weight+=sampleScreen(col,vec2(0.01*w,2.25*h),0.70);\ntotal_weight+=sampleScreen(col,vec2(-1.62*w,-1.74*h),0.67);\ntotal_weight+=sampleScreen(col,vec2(2.49*w,0.20*h),0.65);\ntotal_weight+=sampleScreen(col,vec2(-2.07*w,1.61*h),0.63);\ntotal_weight+=sampleScreen(col,vec2(0.46*w,-2.70*h),0.61);\ntotal_weight+=sampleScreen(col,vec2(1.55*w,2.40*h),0.59);\ntotal_weight+=sampleScreen(col,vec2(-2.88*w,-0.75*h),0.56);\ntotal_weight+=sampleScreen(col,vec2(2.73*w,-1.44*h),0.54);\ntotal_weight+=sampleScreen(col,vec2(-1.08*w,3.02*h),0.52);\ntotal_weight+=sampleScreen(col,vec2(-1.28*w,-3.05*h),0.49);\n}\nif (blur_level>2.0) {\ntotal_weight+=sampleScreen(col,vec2(3.11*w,1.43*h),0.46);\ntotal_weight+=sampleScreen(col,vec2(-3.36*w,1.08*h),0.44);\ntotal_weight+=sampleScreen(col,vec2(1.80*w,-3.16*h),0.41);\ntotal_weight+=sampleScreen(col,vec2(0.83*w,3.65*h),0.38);\ntotal_weight+=sampleScreen(col,vec2(-3.16*w,-2.19*h),0.34);\ntotal_weight+=sampleScreen(col,vec2(3.92*w,-0.53*h),0.31);\ntotal_weight+=sampleScreen(col,vec2(-2.59*w,3.12*h),0.26);\ntotal_weight+=sampleScreen(col,vec2(-0.20*w,-4.15*h),0.22);\ntotal_weight+=sampleScreen(col,vec2(3.02*w,3.00*h),0.15);\n}\ncol/=total_weight; \nif (darken>0.0) {\ncol.rgb*=clamp(0.3,1.0,1.05-size*0.5*darken);\n}\nreturn col;\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\ncentered_screen_pos=vec2(vUV.x-0.5,vUV.y-0.5);\nradius2=centered_screen_pos.x*centered_screen_pos.x+centered_screen_pos.y*centered_screen_pos.y;\nradius=sqrt(radius2);\ndistorted_coords=getDistortedCoords(vUV); \nvec2 texels_coords=vec2(vUV.x*screen_width,vUV.y*screen_height); \nfloat depth=texture2D(depthSampler,distorted_coords).r; \nfloat distance=near+(far-near)*depth; \nvec4 color=texture2D(textureSampler,vUV); \nfloat coc=abs(aperture*(screen_distance*(inverse_focal_length-1.0/distance)-1.0));\nif (dof_enabled==false || coc<0.07) { coc=0.0; }\nfloat edge_blur_amount=0.0;\nif (edge_blur>0.0) {\nedge_blur_amount=clamp((radius*2.0-1.0+0.15*edge_blur)*1.5,0.0,1.0)*1.3;\n}\nfloat blur_amount=max(edge_blur_amount,coc);\nif (blur_amount==0.0) {\ngl_FragColor=texture2D(textureSampler,distorted_coords);\n}\nelse {\ngl_FragColor=getBlurColor(blur_amount*1.7);\nif (highlights) {\ngl_FragColor.rgb+=clamp(coc,0.0,1.0)*texture2D(highlightsSampler,distorted_coords).rgb;\n}\nif (blur_noise) {\nvec2 noise=rand(distorted_coords)*0.01*blur_amount;\nvec2 blurred_coord=vec2(distorted_coords.x+noise.x,distorted_coords.y+noise.y);\ngl_FragColor=0.04*texture2D(textureSampler,blurred_coord)+0.96*gl_FragColor;\n}\n}\nif (grain_amount>0.0) {\nvec4 grain_color=texture2D(grainSampler,texels_coords*0.003);\ngl_FragColor.rgb+=(-0.5+grain_color.rgb)*0.30*grain_amount;\n}\n}\n";
        var pb = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = 1);
                var a = e.call(this, n.getEngine(), t) || this;
                return a.LensChromaticAberrationEffect = "LensChromaticAberrationEffect",
                a.HighlightsEnhancingEffect = "HighlightsEnhancingEffect",
                a.LensDepthOfFieldEffect = "LensDepthOfFieldEffect",
                a._pentagonBokehIsEnabled = !1,
                a._scene = n,
                a._depthTexture = n.enableDepthRenderer().getDepthMap(),
                i.grain_texture ? a._grainTexture = i.grain_texture : a._createGrainTexture(),
                a._edgeBlur = i.edge_blur ? i.edge_blur : 0,
                a._grainAmount = i.grain_amount ? i.grain_amount : 0,
                a._chromaticAberration = i.chromatic_aberration ? i.chromatic_aberration : 0,
                a._distortion = i.distortion ? i.distortion : 0,
                a._highlightsGain = void 0 !== i.dof_gain ? i.dof_gain : -1,
                a._highlightsThreshold = i.dof_threshold ? i.dof_threshold : 1,
                a._dofDistance = void 0 !== i.dof_focus_distance ? i.dof_focus_distance : -1,
                a._dofAperture = i.dof_aperture ? i.dof_aperture : 1,
                a._dofDarken = i.dof_darken ? i.dof_darken : 0,
                a._dofPentagon = void 0 === i.dof_pentagon || i.dof_pentagon,
                a._blurNoise = void 0 === i.blur_noise || i.blur_noise,
                a._createChromaticAberrationPostProcess(r),
                a._createHighlightsPostProcess(r),
                a._createDepthOfFieldPostProcess(r / 4),
                a.addEffect(new Vy(n.getEngine(),a.LensChromaticAberrationEffect,(function() {
                    return a._chromaticAberrationPostProcess
                }
                ),!0)),
                a.addEffect(new Vy(n.getEngine(),a.HighlightsEnhancingEffect,(function() {
                    return a._highlightsPostProcess
                }
                ),!0)),
                a.addEffect(new Vy(n.getEngine(),a.LensDepthOfFieldEffect,(function() {
                    return a._depthOfFieldPostProcess
                }
                ),!0)),
                -1 === a._highlightsGain && a._disableEffect(a.HighlightsEnhancingEffect, null),
                n.postProcessRenderPipelineManager.addPipeline(a),
                o && n.postProcessRenderPipelineManager.attachCamerasToRenderPipeline(t, o),
                a
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "LensRenderingPipeline"
            }
            ,
            Object.defineProperty(t.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "edgeBlur", {
                get: function() {
                    return this._edgeBlur
                },
                set: function(e) {
                    this.setEdgeBlur(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "grainAmount", {
                get: function() {
                    return this._grainAmount
                },
                set: function(e) {
                    this.setGrainAmount(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "chromaticAberration", {
                get: function() {
                    return this._chromaticAberration
                },
                set: function(e) {
                    this.setChromaticAberration(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dofAperture", {
                get: function() {
                    return this._dofAperture
                },
                set: function(e) {
                    this.setAperture(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "edgeDistortion", {
                get: function() {
                    return this._distortion
                },
                set: function(e) {
                    this.setEdgeDistortion(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "dofDistortion", {
                get: function() {
                    return this._dofDistance
                },
                set: function(e) {
                    this.setFocusDistance(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "darkenOutOfFocus", {
                get: function() {
                    return this._dofDarken
                },
                set: function(e) {
                    this.setDarkenOutOfFocus(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "blurNoise", {
                get: function() {
                    return this._blurNoise
                },
                set: function(e) {
                    this._blurNoise = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "pentagonBokeh", {
                get: function() {
                    return this._pentagonBokehIsEnabled
                },
                set: function(e) {
                    e ? this.enablePentagonBokeh() : this.disablePentagonBokeh()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "highlightsGain", {
                get: function() {
                    return this._highlightsGain
                },
                set: function(e) {
                    this.setHighlightsGain(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "highlightsThreshold", {
                get: function() {
                    return this._highlightsThreshold
                },
                set: function(e) {
                    this.setHighlightsThreshold(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.setEdgeBlur = function(e) {
                this._edgeBlur = e
            }
            ,
            t.prototype.disableEdgeBlur = function() {
                this._edgeBlur = 0
            }
            ,
            t.prototype.setGrainAmount = function(e) {
                this._grainAmount = e
            }
            ,
            t.prototype.disableGrain = function() {
                this._grainAmount = 0
            }
            ,
            t.prototype.setChromaticAberration = function(e) {
                this._chromaticAberration = e
            }
            ,
            t.prototype.disableChromaticAberration = function() {
                this._chromaticAberration = 0
            }
            ,
            t.prototype.setEdgeDistortion = function(e) {
                this._distortion = e
            }
            ,
            t.prototype.disableEdgeDistortion = function() {
                this._distortion = 0
            }
            ,
            t.prototype.setFocusDistance = function(e) {
                this._dofDistance = e
            }
            ,
            t.prototype.disableDepthOfField = function() {
                this._dofDistance = -1
            }
            ,
            t.prototype.setAperture = function(e) {
                this._dofAperture = e
            }
            ,
            t.prototype.setDarkenOutOfFocus = function(e) {
                this._dofDarken = e
            }
            ,
            t.prototype.enablePentagonBokeh = function() {
                this._highlightsPostProcess.updateEffect("#define PENTAGON\n"),
                this._pentagonBokehIsEnabled = !0
            }
            ,
            t.prototype.disablePentagonBokeh = function() {
                this._pentagonBokehIsEnabled = !1,
                this._highlightsPostProcess.updateEffect()
            }
            ,
            t.prototype.enableNoiseBlur = function() {
                this._blurNoise = !0
            }
            ,
            t.prototype.disableNoiseBlur = function() {
                this._blurNoise = !1
            }
            ,
            t.prototype.setHighlightsGain = function(e) {
                this._highlightsGain = e
            }
            ,
            t.prototype.setHighlightsThreshold = function(e) {
                -1 === this._highlightsGain && (this._highlightsGain = 1),
                this._highlightsThreshold = e
            }
            ,
            t.prototype.disableHighlights = function() {
                this._highlightsGain = -1
            }
            ,
            t.prototype.dispose = function(e) {
                void 0 === e && (e = !1),
                this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._scene.cameras),
                this._chromaticAberrationPostProcess = null,
                this._highlightsPostProcess = null,
                this._depthOfFieldPostProcess = null,
                this._grainTexture.dispose(),
                e && this._scene.disableDepthRenderer()
            }
            ,
            t.prototype._createChromaticAberrationPostProcess = function(e) {
                var t = this;
                this._chromaticAberrationPostProcess = new Ba("LensChromaticAberration","chromaticAberration",["chromatic_aberration", "screen_width", "screen_height", "direction", "radialIntensity", "centerPosition"],[],e,null,io.TRILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1),
                this._chromaticAberrationPostProcess.onApply = function(e) {
                    e.setFloat("chromatic_aberration", t._chromaticAberration),
                    e.setFloat("screen_width", t._scene.getEngine().getRenderWidth()),
                    e.setFloat("screen_height", t._scene.getEngine().getRenderHeight()),
                    e.setFloat("radialIntensity", 1),
                    e.setFloat2("direction", 17, 17),
                    e.setFloat2("centerPosition", .5, .5)
                }
            }
            ,
            t.prototype._createHighlightsPostProcess = function(e) {
                var t = this;
                this._highlightsPostProcess = new Ba("LensHighlights","lensHighlights",["gain", "threshold", "screen_width", "screen_height"],[],e,null,io.TRILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,this._dofPentagon ? "#define PENTAGON\n" : ""),
                this._highlightsPostProcess.externalTextureSamplerBinding = !0,
                this._highlightsPostProcess.onApply = function(e) {
                    e.setFloat("gain", t._highlightsGain),
                    e.setFloat("threshold", t._highlightsThreshold),
                    e.setTextureFromPostProcess("textureSampler", t._chromaticAberrationPostProcess),
                    e.setFloat("screen_width", t._scene.getEngine().getRenderWidth()),
                    e.setFloat("screen_height", t._scene.getEngine().getRenderHeight())
                }
            }
            ,
            t.prototype._createDepthOfFieldPostProcess = function(e) {
                var t = this;
                this._depthOfFieldPostProcess = new Ba("LensDepthOfField","depthOfField",["grain_amount", "blur_noise", "screen_width", "screen_height", "distortion", "dof_enabled", "screen_distance", "aperture", "darken", "edge_blur", "highlights", "near", "far"],["depthSampler", "grainSampler", "highlightsSampler"],e,null,io.TRILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1),
                this._depthOfFieldPostProcess.externalTextureSamplerBinding = !0,
                this._depthOfFieldPostProcess.onApply = function(e) {
                    e.setTexture("depthSampler", t._depthTexture),
                    e.setTexture("grainSampler", t._grainTexture),
                    e.setTextureFromPostProcess("textureSampler", t._highlightsPostProcess),
                    e.setTextureFromPostProcess("highlightsSampler", t._depthOfFieldPostProcess),
                    e.setFloat("grain_amount", t._grainAmount),
                    e.setBool("blur_noise", t._blurNoise),
                    e.setFloat("screen_width", t._scene.getEngine().getRenderWidth()),
                    e.setFloat("screen_height", t._scene.getEngine().getRenderHeight()),
                    e.setFloat("distortion", t._distortion),
                    e.setBool("dof_enabled", -1 !== t._dofDistance),
                    e.setFloat("screen_distance", 1 / (.1 - 1 / t._dofDistance)),
                    e.setFloat("aperture", t._dofAperture),
                    e.setFloat("darken", t._dofDarken),
                    e.setFloat("edge_blur", t._edgeBlur),
                    e.setBool("highlights", -1 !== t._highlightsGain),
                    t._scene.activeCamera && (e.setFloat("near", t._scene.activeCamera.minZ),
                    e.setFloat("far", t._scene.activeCamera.maxZ))
                }
            }
            ,
            t.prototype._createGrainTexture = function() {
                this._grainTexture = new Ds("LensNoiseTexture",512,this._scene,!1,io.BILINEAR_SAMPLINGMODE),
                this._grainTexture.wrapU = io.WRAP_ADDRESSMODE,
                this._grainTexture.wrapV = io.WRAP_ADDRESSMODE;
                for (var e, t = this._grainTexture.getContext(), i = 0; i < 512; i++)
                    for (var n = 0; n < 512; n++)
                        e = Math.floor(255 * (.42,
                        .58,
                        Math.random() * (.58 - .42) + .42)),
                        t.fillStyle = "rgb(" + e + ", " + e + ", " + e + ")",
                        t.fillRect(i, n, 1, 1);
                this._grainTexture.update(!1)
            }
            ,
            t
        }(cb)
          , fb = function() {
            this.enabled = !1,
            this.name = "ssao2",
            this.texturesRequired = [a.PREPASS_NORMAL_TEXTURE_TYPE, a.PREPASS_DEPTH_TEXTURE_TYPE]
        };
        Pt.ShadersStore.ssao2PixelShader = "precision highp float;\nuniform sampler2D textureSampler;\nuniform float near;\nuniform float far;\nuniform float radius;\nfloat scales[16]=float[16](\n0.1,\n0.11406250000000001,\n0.131640625,\n0.15625,\n0.187890625,\n0.2265625,\n0.272265625,\n0.325,\n0.384765625,\n0.4515625,\n0.525390625,\n0.60625,\n0.694140625,\n0.7890625,\n0.891015625,\n1.0\n);\nvarying vec2 vUV;\nfloat perspectiveDepthToViewZ(in float invClipZ,in float near,in float far ) {\nreturn ( near*far )/( ( far-near )*invClipZ-far );\n}\nfloat viewZToPerspectiveDepth( in float viewZ,in float near,in float far ) {\nreturn ( near*far/viewZ+far)/( far-near );\n}\nfloat viewZToOrthographicDepth( in float viewZ,in float near,in float far ) {\nreturn ( viewZ+near )/( near-far );\n}\n#ifdef SSAO\nuniform sampler2D randomSampler;\nuniform sampler2D depthSampler;\nuniform sampler2D normalSampler;\nuniform float randTextureTiles;\nuniform float samplesFactor;\nuniform vec3 sampleSphere[SAMPLES];\nuniform float totalStrength;\nuniform float base;\nuniform float xViewport;\nuniform float yViewport;\nuniform mat3 depthProjection;\nuniform float maxZ;\nuniform float minZAspect;\nuniform vec2 texelSize;\nuniform mat4 projection;\nvoid main()\n{\nvec3 random=texture2D(randomSampler,vUV*randTextureTiles).rgb;\nfloat depth=texture2D(depthSampler,vUV).r;\nfloat depthSign=depth/abs(depth);\ndepth=depth*depthSign;\nvec3 normal=texture2D(normalSampler,vUV).rgb;\nfloat occlusion=0.0;\nfloat correctedRadius=min(radius,minZAspect*depth/near);\nvec3 vViewRay=vec3((vUV.x*2.0-1.0)*xViewport,(vUV.y*2.0-1.0)*yViewport,depthSign);\nvec3 vDepthFactor=depthProjection*vec3(1.0,1.0,depth);\nvec3 origin=vViewRay*vDepthFactor;\nvec3 rvec=random*2.0-1.0;\nrvec.z=0.0;\nfloat dotProduct=dot(rvec,normal);\nrvec=1.0-abs(dotProduct)>1e-2 ? rvec : vec3(-rvec.y,0.0,rvec.x);\nvec3 tangent=normalize(rvec-normal*dot(rvec,normal));\nvec3 bitangent=cross(normal,tangent);\nmat3 tbn=mat3(tangent,bitangent,normal);\nfloat difference;\nfor (int i=0; i<SAMPLES; ++i) {\nvec3 samplePosition=scales[(i+int(random.x*16.0)) % 16]*tbn*sampleSphere[(i+int(random.y*16.0)) % 16];\nsamplePosition=samplePosition*correctedRadius+origin;\nvec4 offset=vec4(samplePosition,1.0);\noffset=projection*offset;\noffset.xyz/=offset.w;\noffset.xy=offset.xy*0.5+0.5;\nif (offset.x<0.0 || offset.y<0.0 || offset.x>1.0 || offset.y>1.0) {\ncontinue;\n}\nfloat sampleDepth=abs(texture2D(depthSampler,offset.xy).r);\ndifference=depthSign*samplePosition.z-sampleDepth;\nfloat rangeCheck=1.0-smoothstep(correctedRadius*0.5,correctedRadius,difference);\nocclusion+=(difference>=0.0 ? 1.0 : 0.0)*rangeCheck;\n}\nocclusion=occlusion*(1.0-smoothstep(maxZ*0.75,maxZ,depth));\nfloat ao=1.0-totalStrength*occlusion*samplesFactor;\nfloat result=clamp(ao+base,0.0,1.0);\ngl_FragColor=vec4(vec3(result),1.0);\n}\n#endif\n#ifdef BILATERAL_BLUR\nuniform sampler2D depthSampler;\nuniform float outSize;\nuniform float samplerOffsets[SAMPLES];\nvec4 blur9(sampler2D image,vec2 uv,float resolution,vec2 direction) {\nvec4 color=vec4(0.0);\nvec2 off1=vec2(1.3846153846)*direction;\nvec2 off2=vec2(3.2307692308)*direction;\ncolor+=texture2D(image,uv)*0.2270270270;\ncolor+=texture2D(image,uv+(off1/resolution))*0.3162162162;\ncolor+=texture2D(image,uv-(off1/resolution))*0.3162162162;\ncolor+=texture2D(image,uv+(off2/resolution))*0.0702702703;\ncolor+=texture2D(image,uv-(off2/resolution))*0.0702702703;\nreturn color;\n}\nvec4 blur13(sampler2D image,vec2 uv,float resolution,vec2 direction) {\nvec4 color=vec4(0.0);\nvec2 off1=vec2(1.411764705882353)*direction;\nvec2 off2=vec2(3.2941176470588234)*direction;\nvec2 off3=vec2(5.176470588235294)*direction;\ncolor+=texture2D(image,uv)*0.1964825501511404;\ncolor+=texture2D(image,uv+(off1/resolution))*0.2969069646728344;\ncolor+=texture2D(image,uv-(off1/resolution))*0.2969069646728344;\ncolor+=texture2D(image,uv+(off2/resolution))*0.09447039785044732;\ncolor+=texture2D(image,uv-(off2/resolution))*0.09447039785044732;\ncolor+=texture2D(image,uv+(off3/resolution))*0.010381362401148057;\ncolor+=texture2D(image,uv-(off3/resolution))*0.010381362401148057;\nreturn color;\n}\nvec4 blur13Bilateral(sampler2D image,vec2 uv,float resolution,vec2 direction) {\nvec4 color=vec4(0.0);\nvec2 off1=vec2(1.411764705882353)*direction;\nvec2 off2=vec2(3.2941176470588234)*direction;\nvec2 off3=vec2(5.176470588235294)*direction;\nfloat compareDepth=abs(texture2D(depthSampler,uv).r);\nfloat sampleDepth;\nfloat weight;\nfloat weightSum=30.0;\ncolor+=texture2D(image,uv)*30.0;\nsampleDepth=abs(texture2D(depthSampler,uv+(off1/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+= weight;\ncolor+=texture2D(image,uv+(off1/resolution))*weight;\nsampleDepth=abs(texture2D(depthSampler,uv-(off1/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+= weight;\ncolor+=texture2D(image,uv-(off1/resolution))*weight;\nsampleDepth=abs(texture2D(depthSampler,uv+(off2/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+=weight;\ncolor+=texture2D(image,uv+(off2/resolution))*weight;\nsampleDepth=abs(texture2D(depthSampler,uv-(off2/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+=weight;\ncolor+=texture2D(image,uv-(off2/resolution))*weight;\nsampleDepth=abs(texture2D(depthSampler,uv+(off3/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+=weight;\ncolor+=texture2D(image,uv+(off3/resolution))*weight;\nsampleDepth=abs(texture2D(depthSampler,uv-(off3/resolution)).r);\nweight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30.0);\nweightSum+=weight;\ncolor+=texture2D(image,uv-(off3/resolution))*weight;\nreturn color/weightSum;\n}\nvoid main()\n{\n#if EXPENSIVE\nfloat compareDepth=abs(texture2D(depthSampler,vUV).r);\nfloat texelsize=1.0/outSize;\nfloat result=0.0;\nfloat weightSum=0.0;\nfor (int i=0; i<SAMPLES; ++i)\n{\n#ifdef BILATERAL_BLUR_H\nvec2 direction=vec2(1.0,0.0);\nvec2 sampleOffset=vec2(texelsize*samplerOffsets[i],0.0);\n#else\nvec2 direction=vec2(0.0,1.0);\nvec2 sampleOffset=vec2(0.0,texelsize*samplerOffsets[i]);\n#endif\nvec2 samplePos=vUV+sampleOffset;\nfloat sampleDepth=abs(texture2D(depthSampler,samplePos).r);\nfloat weight=clamp(1.0/( 0.003+abs(compareDepth-sampleDepth)),0.0,30000.0);\nresult+=texture2D(textureSampler,samplePos).r*weight;\nweightSum+=weight;\n}\nresult/=weightSum;\ngl_FragColor.rgb=vec3(result);\ngl_FragColor.a=1.0;\n#else\nvec4 color;\n#ifdef BILATERAL_BLUR_H\nvec2 direction=vec2(1.0,0.0);\ncolor=blur13Bilateral(textureSampler,vUV,outSize,direction);\n#else\nvec2 direction=vec2(0.0,1.0);\ncolor=blur13Bilateral(textureSampler,vUV,outSize,direction);\n#endif\ngl_FragColor.rgb=vec3(color.r);\ngl_FragColor.a=1.0;\n#endif\n}\n#endif\n";
        Pt.ShadersStore.ssaoCombinePixelShader = "uniform sampler2D textureSampler;\nuniform sampler2D originalColor;\nuniform vec4 viewport;\nvarying vec2 vUV;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec4 ssaoColor=texture2D(textureSampler,viewport.xy+vUV*viewport.zw);\nvec4 sceneColor=texture2D(originalColor,vUV);\ngl_FragColor=sceneColor*ssaoColor;\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";
        var _b = function(e) {
            function t(t, i, n, r, o, s) {
                void 0 === o && (o = !1),
                void 0 === s && (s = a.TEXTURETYPE_UNSIGNED_INT);
                var l = e.call(this, i.getEngine(), t) || this;
                if (l.SSAOOriginalSceneColorEffect = "SSAOOriginalSceneColorEffect",
                l.SSAORenderEffect = "SSAORenderEffect",
                l.SSAOBlurHRenderEffect = "SSAOBlurHRenderEffect",
                l.SSAOBlurVRenderEffect = "SSAOBlurVRenderEffect",
                l.SSAOCombineRenderEffect = "SSAOCombineRenderEffect",
                l.totalStrength = 1,
                l.maxZ = 100,
                l.minZAspect = .2,
                l._samples = 8,
                l._textureSamples = 1,
                l._forceGeometryBuffer = !1,
                l._expensiveBlur = !0,
                l.radius = 2,
                l.base = 0,
                l._bits = new Uint32Array(1),
                l._scene = i,
                l._ratio = n,
                l._forceGeometryBuffer = o,
                !l.isSupported)
                    return K.Error("The current engine does not support SSAO 2."),
                    l;
                var c = l._ratio.ssaoRatio || n
                  , u = l._ratio.blurRatio || n;
                return l._forceGeometryBuffer ? i.enableGeometryBufferRenderer() : i.enablePrePassRenderer(),
                l._createRandomTexture(),
                l._originalColorPostProcess = new Ua("SSAOOriginalSceneColor",1,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),void 0,s),
                l._originalColorPostProcess.samples = l.textureSamples,
                l._createSSAOPostProcess(1, s),
                l._createBlurPostProcess(c, u, s),
                l._createSSAOCombinePostProcess(u, s),
                l.addEffect(new Vy(i.getEngine(),l.SSAOOriginalSceneColorEffect,(function() {
                    return l._originalColorPostProcess
                }
                ),!0)),
                l.addEffect(new Vy(i.getEngine(),l.SSAORenderEffect,(function() {
                    return l._ssaoPostProcess
                }
                ),!0)),
                l.addEffect(new Vy(i.getEngine(),l.SSAOBlurHRenderEffect,(function() {
                    return l._blurHPostProcess
                }
                ),!0)),
                l.addEffect(new Vy(i.getEngine(),l.SSAOBlurVRenderEffect,(function() {
                    return l._blurVPostProcess
                }
                ),!0)),
                l.addEffect(new Vy(i.getEngine(),l.SSAOCombineRenderEffect,(function() {
                    return l._ssaoCombinePostProcess
                }
                ),!0)),
                i.postProcessRenderPipelineManager.addPipeline(l),
                r && i.postProcessRenderPipelineManager.attachCamerasToRenderPipeline(t, r),
                l
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "samples", {
                get: function() {
                    return this._samples
                },
                set: function(e) {
                    this._samples = e,
                    this._ssaoPostProcess.updateEffect(this._getDefinesForSSAO()),
                    this._sampleSphere = this._generateHemisphere()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "textureSamples", {
                get: function() {
                    return this._textureSamples
                },
                set: function(e) {
                    this._textureSamples = e,
                    this._prePassRenderer ? this._prePassRenderer.samples = e : this._originalColorPostProcess.samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_geometryBufferRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? this._scene.geometryBufferRenderer : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_prePassRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? null : this._scene.prePassRenderer
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "expensiveBlur", {
                get: function() {
                    return this._expensiveBlur
                },
                set: function(e) {
                    this._blurHPostProcess.updateEffect("#define BILATERAL_BLUR\n#define BILATERAL_BLUR_H\n#define SAMPLES 16\n#define EXPENSIVE " + (e ? "1" : "0") + "\n", null, ["textureSampler", "depthSampler"]),
                    this._blurVPostProcess.updateEffect("#define BILATERAL_BLUR\n#define SAMPLES 16\n#define EXPENSIVE " + (e ? "1" : "0") + "\n", null, ["textureSampler", "depthSampler"]),
                    this._expensiveBlur = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "IsSupported", {
                get: function() {
                    var e = E.LastCreatedEngine;
                    return !!e && e._features.supportSSAO2
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "SSAO2RenderingPipeline"
            }
            ,
            t.prototype.dispose = function(t) {
                void 0 === t && (t = !1);
                for (var i = 0; i < this._scene.cameras.length; i++) {
                    var n = this._scene.cameras[i];
                    this._originalColorPostProcess.dispose(n),
                    this._ssaoPostProcess.dispose(n),
                    this._blurHPostProcess.dispose(n),
                    this._blurVPostProcess.dispose(n),
                    this._ssaoCombinePostProcess.dispose(n)
                }
                this._randomTexture.dispose(),
                t && this._scene.disableGeometryBufferRenderer(),
                this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._scene.cameras),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype._createBlurPostProcess = function(e, t, i) {
                var n = this;
                this._samplerOffsets = [];
                for (var r = this.expensiveBlur, o = -8; o < 8; o++)
                    this._samplerOffsets.push(2 * o + .5);
                this._blurHPostProcess = new Ba("BlurH","ssao2",["outSize", "samplerOffsets", "near", "far", "radius"],["depthSampler"],e,null,io.TRILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,"#define BILATERAL_BLUR\n#define BILATERAL_BLUR_H\n#define SAMPLES 16\n#define EXPENSIVE " + (r ? "1" : "0") + "\n",i),
                this._blurHPostProcess.onApply = function(e) {
                    n._scene.activeCamera && (e.setFloat("outSize", n._ssaoCombinePostProcess.width > 0 ? n._ssaoCombinePostProcess.width : n._originalColorPostProcess.width),
                    e.setFloat("near", n._scene.activeCamera.minZ),
                    e.setFloat("far", n._scene.activeCamera.maxZ),
                    e.setFloat("radius", n.radius),
                    n._geometryBufferRenderer ? e.setTexture("depthSampler", n._geometryBufferRenderer.getGBuffer().textures[0]) : n._prePassRenderer && e.setTexture("depthSampler", n._prePassRenderer.getRenderTarget().textures[n._prePassRenderer.getIndex(a.PREPASS_DEPTH_TEXTURE_TYPE)]),
                    e.setArray("samplerOffsets", n._samplerOffsets))
                }
                ,
                this._blurVPostProcess = new Ba("BlurV","ssao2",["outSize", "samplerOffsets", "near", "far", "radius"],["depthSampler"],t,null,io.TRILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,"#define BILATERAL_BLUR\n#define BILATERAL_BLUR_V\n#define SAMPLES 16\n#define EXPENSIVE " + (r ? "1" : "0") + "\n",i),
                this._blurVPostProcess.onApply = function(e) {
                    n._scene.activeCamera && (e.setFloat("outSize", n._ssaoCombinePostProcess.height > 0 ? n._ssaoCombinePostProcess.height : n._originalColorPostProcess.height),
                    e.setFloat("near", n._scene.activeCamera.minZ),
                    e.setFloat("far", n._scene.activeCamera.maxZ),
                    e.setFloat("radius", n.radius),
                    n._geometryBufferRenderer ? e.setTexture("depthSampler", n._geometryBufferRenderer.getGBuffer().textures[0]) : n._prePassRenderer && e.setTexture("depthSampler", n._prePassRenderer.getRenderTarget().textures[n._prePassRenderer.getIndex(a.PREPASS_DEPTH_TEXTURE_TYPE)]),
                    e.setArray("samplerOffsets", n._samplerOffsets))
                }
                ,
                this._blurHPostProcess.samples = this.textureSamples,
                this._blurVPostProcess.samples = this.textureSamples
            }
            ,
            t.prototype._rebuild = function() {
                e.prototype._rebuild.call(this)
            }
            ,
            t.prototype._radicalInverse_VdC = function(e) {
                return this._bits[0] = e,
                this._bits[0] = (this._bits[0] << 16 | this._bits[0] >> 16) >>> 0,
                this._bits[0] = (1431655765 & this._bits[0]) << 1 | (2863311530 & this._bits[0]) >>> 1 >>> 0,
                this._bits[0] = (858993459 & this._bits[0]) << 2 | (3435973836 & this._bits[0]) >>> 2 >>> 0,
                this._bits[0] = (252645135 & this._bits[0]) << 4 | (4042322160 & this._bits[0]) >>> 4 >>> 0,
                this._bits[0] = (16711935 & this._bits[0]) << 8 | (4278255360 & this._bits[0]) >>> 8 >>> 0,
                2.3283064365386963e-10 * this._bits[0]
            }
            ,
            t.prototype._hammersley = function(e, t) {
                return [e / t, this._radicalInverse_VdC(e)]
            }
            ,
            t.prototype._hemisphereSample_uniform = function(e, t) {
                var i = 2 * t * Math.PI
                  , n = 1 - (.85 * e + .15)
                  , r = Math.sqrt(1 - n * n);
                return new x(Math.cos(i) * r,Math.sin(i) * r,n)
            }
            ,
            t.prototype._generateHemisphere = function() {
                for (var e, t = this.samples, i = [], n = 0; n < t; ) {
                    if (t < 16)
                        e = this._hemisphereSample_uniform(Math.random(), Math.random());
                    else {
                        var r = this._hammersley(n, t);
                        e = this._hemisphereSample_uniform(r[0], r[1])
                    }
                    i.push(e.x, e.y, e.z),
                    n++
                }
                return i
            }
            ,
            t.prototype._getDefinesForSSAO = function() {
                return "#define SAMPLES " + this.samples + "\n#define SSAO"
            }
            ,
            t.prototype._createSSAOPostProcess = function(e, i) {
                var n = this;
                this._sampleSphere = this._generateHemisphere();
                var r = this._getDefinesForSSAO();
                this._ssaoPostProcess = new Ba("ssao2","ssao2",["sampleSphere", "samplesFactor", "randTextureTiles", "totalStrength", "radius", "base", "range", "projection", "near", "far", "texelSize", "xViewport", "yViewport", "maxZ", "minZAspect", "depthProjection"],["randomSampler", "depthSampler", "normalSampler"],e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,r,i),
                this._ssaoPostProcess.onApply = function(e) {
                    var i, r, o, s;
                    if (n._scene.activeCamera) {
                        if (e.setArray3("sampleSphere", n._sampleSphere),
                        e.setFloat("randTextureTiles", 32),
                        e.setFloat("samplesFactor", 1 / n.samples),
                        e.setFloat("totalStrength", n.totalStrength),
                        e.setFloat2("texelSize", 1 / n._ssaoPostProcess.width, 1 / n._ssaoPostProcess.height),
                        e.setFloat("radius", n.radius),
                        e.setFloat("maxZ", n.maxZ),
                        e.setFloat("minZAspect", n.minZAspect),
                        e.setFloat("base", n.base),
                        e.setFloat("near", n._scene.activeCamera.minZ),
                        e.setFloat("far", n._scene.activeCamera.maxZ),
                        n._scene.activeCamera.mode === Rr.PERSPECTIVE_CAMERA)
                            e.setMatrix3x3("depthProjection", t.PERSPECTIVE_DEPTH_PROJECTION),
                            e.setFloat("xViewport", Math.tan(n._scene.activeCamera.fov / 2) * n._scene.getEngine().getAspectRatio(n._scene.activeCamera, !0)),
                            e.setFloat("yViewport", Math.tan(n._scene.activeCamera.fov / 2));
                        else {
                            var l = n._scene.getEngine().getRenderWidth() / 2
                              , c = n._scene.getEngine().getRenderHeight() / 2
                              , u = null !== (i = n._scene.activeCamera.orthoLeft) && void 0 !== i ? i : -l
                              , h = null !== (r = n._scene.activeCamera.orthoRight) && void 0 !== r ? r : l
                              , d = null !== (o = n._scene.activeCamera.orthoBottom) && void 0 !== o ? o : -c
                              , p = null !== (s = n._scene.activeCamera.orthoTop) && void 0 !== s ? s : c;
                            e.setMatrix3x3("depthProjection", t.ORTHO_DEPTH_PROJECTION),
                            e.setFloat("xViewport", .5 * (h - u)),
                            e.setFloat("yViewport", .5 * (p - d))
                        }
                        e.setMatrix("projection", n._scene.getProjectionMatrix()),
                        n._geometryBufferRenderer ? (e.setTexture("depthSampler", n._geometryBufferRenderer.getGBuffer().textures[0]),
                        e.setTexture("normalSampler", n._geometryBufferRenderer.getGBuffer().textures[1])) : n._prePassRenderer && (e.setTexture("depthSampler", n._prePassRenderer.getRenderTarget().textures[n._prePassRenderer.getIndex(a.PREPASS_DEPTH_TEXTURE_TYPE)]),
                        e.setTexture("normalSampler", n._prePassRenderer.getRenderTarget().textures[n._prePassRenderer.getIndex(a.PREPASS_NORMAL_TEXTURE_TYPE)])),
                        e.setTexture("randomSampler", n._randomTexture)
                    }
                }
                ,
                this._ssaoPostProcess.samples = this.textureSamples
            }
            ,
            t.prototype._createSSAOCombinePostProcess = function(e, t) {
                var i = this;
                this._ssaoCombinePostProcess = new Ba("ssaoCombine","ssaoCombine",[],["originalColor", "viewport"],e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,void 0,t),
                this._ssaoCombinePostProcess.onApply = function(e) {
                    var t = i._scene.activeCamera.viewport;
                    e.setVector4("viewport", I.Vector4[0].copyFromFloats(t.x, t.y, t.width, t.height)),
                    e.setTextureFromPostProcessOutput("originalColor", i._originalColorPostProcess)
                }
                ,
                this._ssaoCombinePostProcess.samples = this.textureSamples,
                this._forceGeometryBuffer || (this._ssaoCombinePostProcess._prePassEffectConfiguration = new fb)
            }
            ,
            t.prototype._createRandomTexture = function() {
                this._randomTexture = new Ds("SSAORandomTexture",128,this._scene,!1,io.TRILINEAR_SAMPLINGMODE),
                this._randomTexture.wrapU = io.WRAP_ADDRESSMODE,
                this._randomTexture.wrapV = io.WRAP_ADDRESSMODE;
                for (var e = this._randomTexture.getContext(), t = function(e, t) {
                    return Math.random() * (t - e) + e
                }, i = x.Zero(), n = 0; n < 128; n++)
                    for (var r = 0; r < 128; r++)
                        i.x = t(0, 1),
                        i.y = t(0, 1),
                        i.z = 0,
                        i.normalize(),
                        i.scaleInPlace(255),
                        i.x = Math.floor(i.x),
                        i.y = Math.floor(i.y),
                        e.fillStyle = "rgb(" + i.x + ", " + i.y + ", " + i.z + ")",
                        e.fillRect(n, r, 1, 1);
                this._randomTexture.update(!1)
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return e.customType = "SSAO2RenderingPipeline",
                e
            }
            ,
            t.Parse = function(e, i, n) {
                return Ge.Parse((function() {
                    return new t(e._name,i,e._ratio)
                }
                ), e, i, n)
            }
            ,
            t.ORTHO_DEPTH_PROJECTION = [1, 0, 0, 0, 1, 0, 0, 0, 1],
            t.PERSPECTIVE_DEPTH_PROJECTION = [0, 0, 0, 0, 0, 0, 1, 1, 1],
            k([Ce()], t.prototype, "totalStrength", void 0),
            k([Ce()], t.prototype, "maxZ", void 0),
            k([Ce()], t.prototype, "minZAspect", void 0),
            k([Ce("samples")], t.prototype, "_samples", void 0),
            k([Ce("textureSamples")], t.prototype, "_textureSamples", void 0),
            k([Ce()], t.prototype, "_ratio", void 0),
            k([Ce("expensiveBlur")], t.prototype, "_expensiveBlur", void 0),
            k([Ce()], t.prototype, "radius", void 0),
            k([Ce()], t.prototype, "base", void 0),
            t
        }(cb);
        y("BABYLON.SSAO2RenderingPipeline", _b);
        Pt.ShadersStore.ssaoPixelShader = "uniform sampler2D textureSampler;\nvarying vec2 vUV;\n#ifdef SSAO\nuniform sampler2D randomSampler;\nuniform float randTextureTiles;\nuniform float samplesFactor;\nuniform vec3 sampleSphere[SAMPLES];\nuniform float totalStrength;\nuniform float radius;\nuniform float area;\nuniform float fallOff;\nuniform float base;\nvec3 normalFromDepth(float depth,vec2 coords)\n{\nvec2 offset1=vec2(0.0,radius);\nvec2 offset2=vec2(radius,0.0);\nfloat depth1=texture2D(textureSampler,coords+offset1).r;\nfloat depth2=texture2D(textureSampler,coords+offset2).r;\nvec3 p1=vec3(offset1,depth1-depth);\nvec3 p2=vec3(offset2,depth2-depth);\nvec3 normal=cross(p1,p2);\nnormal.z=-normal.z;\nreturn normalize(normal);\n}\nvoid main()\n{\nvec3 random=normalize(texture2D(randomSampler,vUV*randTextureTiles).rgb);\nfloat depth=texture2D(textureSampler,vUV).r;\nvec3 position=vec3(vUV,depth);\nvec3 normal=normalFromDepth(depth,vUV);\nfloat radiusDepth=radius/depth;\nfloat occlusion=0.0;\nvec3 ray;\nvec3 hemiRay;\nfloat occlusionDepth;\nfloat difference;\nfor (int i=0; i<SAMPLES; i++)\n{\nray=radiusDepth*reflect(sampleSphere[i],random);\nhemiRay=position+sign(dot(ray,normal))*ray;\nocclusionDepth=texture2D(textureSampler,clamp(hemiRay.xy,vec2(0.001,0.001),vec2(0.999,0.999))).r;\ndifference=depth-occlusionDepth;\nocclusion+=step(fallOff,difference)*(1.0-smoothstep(fallOff,area,difference));\n}\nfloat ao=1.0-totalStrength*occlusion*samplesFactor;\nfloat result=clamp(ao+base,0.0,1.0);\ngl_FragColor.r=result;\ngl_FragColor.g=result;\ngl_FragColor.b=result;\ngl_FragColor.a=1.0;\n}\n#endif\n";
        var mb = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, i.getEngine(), t) || this;
                o.SSAOOriginalSceneColorEffect = "SSAOOriginalSceneColorEffect",
                o.SSAORenderEffect = "SSAORenderEffect",
                o.SSAOBlurHRenderEffect = "SSAOBlurHRenderEffect",
                o.SSAOBlurVRenderEffect = "SSAOBlurVRenderEffect",
                o.SSAOCombineRenderEffect = "SSAOCombineRenderEffect",
                o.totalStrength = 1,
                o.radius = 1e-4,
                o.area = .0075,
                o.fallOff = 1e-6,
                o.base = .5,
                o._firstUpdate = !0,
                o._scene = i,
                o._createRandomTexture(),
                o._depthTexture = i.enableDepthRenderer().getDepthMap();
                var a = n.ssaoRatio || n
                  , s = n.combineRatio || n;
                return o._originalColorPostProcess = new Ua("SSAOOriginalSceneColor",s,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1),
                o._createSSAOPostProcess(a),
                o._createBlurPostProcess(a),
                o._createSSAOCombinePostProcess(s),
                o.addEffect(new Vy(i.getEngine(),o.SSAOOriginalSceneColorEffect,(function() {
                    return o._originalColorPostProcess
                }
                ),!0)),
                o.addEffect(new Vy(i.getEngine(),o.SSAORenderEffect,(function() {
                    return o._ssaoPostProcess
                }
                ),!0)),
                o.addEffect(new Vy(i.getEngine(),o.SSAOBlurHRenderEffect,(function() {
                    return o._blurHPostProcess
                }
                ),!0)),
                o.addEffect(new Vy(i.getEngine(),o.SSAOBlurVRenderEffect,(function() {
                    return o._blurVPostProcess
                }
                ),!0)),
                o.addEffect(new Vy(i.getEngine(),o.SSAOCombineRenderEffect,(function() {
                    return o._ssaoCombinePostProcess
                }
                ),!0)),
                i.postProcessRenderPipelineManager.addPipeline(o),
                r && i.postProcessRenderPipelineManager.attachCamerasToRenderPipeline(t, r),
                o
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "SSAORenderingPipeline"
            }
            ,
            t.prototype.dispose = function(t) {
                void 0 === t && (t = !1);
                for (var i = 0; i < this._scene.cameras.length; i++) {
                    var n = this._scene.cameras[i];
                    this._originalColorPostProcess.dispose(n),
                    this._ssaoPostProcess.dispose(n),
                    this._blurHPostProcess.dispose(n),
                    this._blurVPostProcess.dispose(n),
                    this._ssaoCombinePostProcess.dispose(n)
                }
                this._randomTexture.dispose(),
                t && this._scene.disableDepthRenderer(),
                this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._scene.cameras),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype._createBlurPostProcess = function(e) {
                var t = this;
                this._blurHPostProcess = new Fd("BlurH",new A(1,0),16,e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,a.TEXTURETYPE_UNSIGNED_INT),
                this._blurVPostProcess = new Fd("BlurV",new A(0,1),16,e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,a.TEXTURETYPE_UNSIGNED_INT),
                this._blurHPostProcess.onActivateObservable.add((function() {
                    var e = t._blurHPostProcess.width / t._scene.getEngine().getRenderWidth();
                    t._blurHPostProcess.kernel = 16 * e
                }
                )),
                this._blurVPostProcess.onActivateObservable.add((function() {
                    var e = t._blurVPostProcess.height / t._scene.getEngine().getRenderHeight();
                    t._blurVPostProcess.kernel = 16 * e
                }
                ))
            }
            ,
            t.prototype._rebuild = function() {
                this._firstUpdate = !0,
                e.prototype._rebuild.call(this)
            }
            ,
            t.prototype._createSSAOPostProcess = function(e) {
                var t = this
                  , i = [.5381, .1856, -.4319, .1379, .2486, .443, .3371, .5679, -.0057, -.6999, -.0451, -.0019, .0689, -.1598, -.8547, .056, .0069, -.1843, -.0146, .1402, .0762, .01, -.1924, -.0344, -.3577, -.5301, -.4358, -.3169, .1063, .0158, .0103, -.5869, .0046, -.0897, -.494, .3287, .7119, -.0154, -.0918, -.0533, .0596, -.5411, .0352, -.0631, .546, -.4776, .2847, -.0271];
                this._ssaoPostProcess = new Ba("ssao","ssao",["sampleSphere", "samplesFactor", "randTextureTiles", "totalStrength", "radius", "area", "fallOff", "base", "range", "viewport"],["randomSampler"],e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1,"#define SAMPLES 16\n#define SSAO"),
                this._ssaoPostProcess.externalTextureSamplerBinding = !0,
                this._ssaoPostProcess.onApply = function(e) {
                    t._firstUpdate && (e.setArray3("sampleSphere", i),
                    e.setFloat("samplesFactor", .0625),
                    e.setFloat("randTextureTiles", 4)),
                    e.setFloat("totalStrength", t.totalStrength),
                    e.setFloat("radius", t.radius),
                    e.setFloat("area", t.area),
                    e.setFloat("fallOff", t.fallOff),
                    e.setFloat("base", t.base),
                    e.setTexture("textureSampler", t._depthTexture),
                    e.setTexture("randomSampler", t._randomTexture)
                }
            }
            ,
            t.prototype._createSSAOCombinePostProcess = function(e) {
                var t = this;
                this._ssaoCombinePostProcess = new Ba("ssaoCombine","ssaoCombine",[],["originalColor", "viewport"],e,null,io.BILINEAR_SAMPLINGMODE,this._scene.getEngine(),!1),
                this._ssaoCombinePostProcess.onApply = function(e) {
                    e.setVector4("viewport", I.Vector4[0].copyFromFloats(0, 0, 1, 1)),
                    e.setTextureFromPostProcess("originalColor", t._originalColorPostProcess)
                }
            }
            ,
            t.prototype._createRandomTexture = function() {
                this._randomTexture = new Ds("SSAORandomTexture",512,this._scene,!1,io.TRILINEAR_SAMPLINGMODE),
                this._randomTexture.wrapU = io.WRAP_ADDRESSMODE,
                this._randomTexture.wrapV = io.WRAP_ADDRESSMODE;
                for (var e = this._randomTexture.getContext(), t = function(e, t) {
                    return Math.random() * (t - e) + e
                }, i = x.Zero(), n = 0; n < 512; n++)
                    for (var r = 0; r < 512; r++)
                        i.x = Math.floor(255 * t(-1, 1)),
                        i.y = Math.floor(255 * t(-1, 1)),
                        i.z = Math.floor(255 * t(-1, 1)),
                        e.fillStyle = "rgb(" + i.x + ", " + i.y + ", " + i.z + ")",
                        e.fillRect(n, r, 1, 1);
                this._randomTexture.update(!1)
            }
            ,
            k([Ce()], t.prototype, "totalStrength", void 0),
            k([Ce()], t.prototype, "radius", void 0),
            k([Ce()], t.prototype, "area", void 0),
            k([Ce()], t.prototype, "fallOff", void 0),
            k([Ce()], t.prototype, "base", void 0),
            t
        }(cb)
          , gb = function() {
            this.enabled = !1,
            this.name = "screenSpaceReflections",
            this.texturesRequired = [a.PREPASS_NORMAL_TEXTURE_TYPE, a.PREPASS_REFLECTIVITY_TEXTURE_TYPE, a.PREPASS_POSITION_TEXTURE_TYPE]
        };
        Pt.ShadersStore.screenSpaceReflectionPixelShader = "uniform sampler2D textureSampler;\n#ifdef SSR_SUPPORTED\nuniform sampler2D reflectivitySampler;\nuniform sampler2D normalSampler;\nuniform sampler2D positionSampler;\n#endif\nuniform mat4 view;\nuniform mat4 projection;\nuniform float stepSize;\nuniform float strength;\nuniform float threshold;\nuniform float roughnessFactor;\nuniform float reflectionSpecularFalloffExponent;\nvarying vec2 vUV;\n#ifdef SSR_SUPPORTED\nstruct ReflectionInfo {\nvec3 color;\nvec4 coords;\n};\n/**\n* According to specular,see https:\n*/\nvec3 fresnelSchlick(float cosTheta,vec3 F0)\n{\nreturn F0+(1.0-F0)*pow(1.0-cosTheta,5.0);\n}\n/**\n* Once the pixel's coordinates has been found,let's adjust (smooth) a little bit\n* by sampling multiple reflection pixels.\n*/\nReflectionInfo smoothReflectionInfo(vec3 dir,vec3 hitCoord)\n{\nReflectionInfo info;\ninfo.color=vec3(0.0);\nvec4 projectedCoord;\nfloat sampledDepth;\nfor(int i=0; i<SMOOTH_STEPS; i++)\n{\nprojectedCoord=projection*vec4(hitCoord,1.0);\nprojectedCoord.xy/=projectedCoord.w;\nprojectedCoord.xy=0.5*projectedCoord.xy+vec2(0.5);\nsampledDepth=(view*texture2D(positionSampler,projectedCoord.xy)).z;\nfloat depth=sampledDepth-hitCoord.z;\ndir*=0.5;\nif(depth>0.0)\nhitCoord-=dir;\nelse\nhitCoord+=dir;\ninfo.color+=texture2D(textureSampler,projectedCoord.xy).rgb;\n}\nprojectedCoord=projection*vec4(hitCoord,1.0);\nprojectedCoord.xy/=projectedCoord.w;\nprojectedCoord.xy=0.5*projectedCoord.xy+vec2(0.5);\ninfo.coords=vec4(projectedCoord.xy,sampledDepth,1.0);\ninfo.color+=texture2D(textureSampler,projectedCoord.xy).rgb;\ninfo.color/=float(SMOOTH_STEPS+1);\nreturn info;\n}\n/**\n* Tests the given world position (hitCoord) according to the given reflection vector (dir)\n* until it finds a collision (means that depth is enough close to say \"it's the pixel to sample!\").\n*/\nReflectionInfo getReflectionInfo(vec3 dir,vec3 hitCoord)\n{\nReflectionInfo info;\nvec4 projectedCoord;\nfloat sampledDepth;\ndir*=stepSize;\nfor(int i=0; i<REFLECTION_SAMPLES; i++)\n{\nhitCoord+=dir;\nprojectedCoord=projection*vec4(hitCoord,1.0);\nprojectedCoord.xy/=projectedCoord.w;\nprojectedCoord.xy=0.5*projectedCoord.xy+vec2(0.5);\nsampledDepth=(view*texture2D(positionSampler,projectedCoord.xy)).z;\nfloat depth=sampledDepth-hitCoord.z;\n#ifdef RIGHT_HANDED_SCENE\ndepth*=-1.0;\n#endif\nif(((depth-dir.z)<threshold) && depth<=0.0)\n{\n#ifdef ENABLE_SMOOTH_REFLECTIONS\nreturn smoothReflectionInfo(dir,hitCoord);\n#else\ninfo.color=texture2D(textureSampler,projectedCoord.xy).rgb;\ninfo.coords=vec4(projectedCoord.xy,sampledDepth,0.0);\nreturn info;\n#endif\n}\n}\ninfo.color=texture2D(textureSampler,projectedCoord.xy).rgb;\ninfo.coords=vec4(projectedCoord.xy,sampledDepth,0.0);\nreturn info;\n}\nvec3 hash(vec3 a)\n{\na=fract(a*0.8);\na+=dot(a,a.yxz+19.19);\nreturn fract((a.xxy+a.yxx)*a.zyx);\n}\n#endif\nvoid main()\n{\n#ifdef SSR_SUPPORTED\nvec4 albedoFull=texture2D(textureSampler,vUV);\nvec3 albedo=albedoFull.rgb;\nfloat spec=texture2D(reflectivitySampler,vUV).r;\nif (spec==0.0) {\ngl_FragColor=albedoFull;\nreturn;\n}\nvec3 normal=(texture2D(normalSampler,vUV)).xyz;\nvec3 position=(view*texture2D(positionSampler,vUV)).xyz;\nvec3 reflected=normalize(reflect(normalize(position),normalize(normal)));\nfloat roughness=1.0-texture2D(reflectivitySampler,vUV).a;\nvec3 jitt=mix(vec3(0.0),hash(position),roughness)*roughnessFactor;\nReflectionInfo info=getReflectionInfo(jitt+reflected,position);\nvec2 dCoords=smoothstep(0.2,0.6,abs(vec2(0.5,0.5)-info.coords.xy));\nfloat screenEdgefactor=clamp(1.0-(dCoords.x+dCoords.y),0.0,1.0);\nvec3 F0=vec3(0.04);\nF0 =mix(F0,albedo,spec);\nvec3 fresnel=fresnelSchlick(max(dot(normalize(normal),normalize(position)),0.0),F0);\n#ifdef RIGHT_HANDED_SCENE\nreflected.z*=-1.0;\n#endif\nfloat reflectionMultiplier=clamp(pow(spec*strength,reflectionSpecularFalloffExponent)*screenEdgefactor*reflected.z,0.0,0.9);\nfloat albedoMultiplier=1.0-reflectionMultiplier;\nvec3 SSR=info.color*fresnel;\ngl_FragColor=vec4((albedo*albedoMultiplier)+(SSR*reflectionMultiplier),albedoFull.a);\n#else\ngl_FragColor=texture2D(textureSampler,vUV);\n#endif\n}\n";
        var vb = function(e) {
            function t(t, i, n, r, o, s, l, c, u, h) {
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === u && (u = !1),
                void 0 === h && (h = !1);
                var d = e.call(this, t, "screenSpaceReflection", ["projection", "view", "threshold", "reflectionSpecularFalloffExponent", "strength", "stepSize", "roughnessFactor"], ["textureSampler", "normalSampler", "positionSampler", "reflectivitySampler"], n, r, o, s, l, "#define SSR_SUPPORTED\n#define REFLECTION_SAMPLES 64\n#define SMOOTH_STEPS 5\n", c, void 0, null, u) || this;
                if (d.threshold = 1.2,
                d.strength = 1,
                d.reflectionSpecularFalloffExponent = 3,
                d.step = 1,
                d.roughnessFactor = .2,
                d._forceGeometryBuffer = !1,
                d._enableSmoothReflections = !1,
                d._reflectionSamples = 64,
                d._smoothSteps = 5,
                d._forceGeometryBuffer = h,
                d._forceGeometryBuffer) {
                    var p = i.enableGeometryBufferRenderer();
                    p && p.isSupported && (p.enablePosition = !0,
                    p.enableReflectivity = !0)
                } else {
                    var f = i.enablePrePassRenderer();
                    null == f || f.markAsDirty(),
                    d._prePassEffectConfiguration = new gb
                }
                return d._updateEffectDefines(),
                d.onApply = function(e) {
                    var t = d._geometryBufferRenderer
                      , n = d._prePassRenderer;
                    if (n || t) {
                        if (t) {
                            var r = t.getTextureIndex(nb.POSITION_TEXTURE_TYPE)
                              , o = t.getTextureIndex(nb.REFLECTIVITY_TEXTURE_TYPE);
                            e.setTexture("normalSampler", t.getGBuffer().textures[1]),
                            e.setTexture("positionSampler", t.getGBuffer().textures[r]),
                            e.setTexture("reflectivitySampler", t.getGBuffer().textures[o])
                        } else if (n) {
                            r = n.getIndex(a.PREPASS_POSITION_TEXTURE_TYPE),
                            o = n.getIndex(a.PREPASS_REFLECTIVITY_TEXTURE_TYPE);
                            var s = n.getIndex(a.PREPASS_NORMAL_TEXTURE_TYPE);
                            e.setTexture("normalSampler", n.getRenderTarget().textures[s]),
                            e.setTexture("positionSampler", n.getRenderTarget().textures[r]),
                            e.setTexture("reflectivitySampler", n.getRenderTarget().textures[o])
                        }
                        var l = i.activeCamera;
                        if (l) {
                            var c = l.getViewMatrix(!0)
                              , u = l.getProjectionMatrix(!0);
                            e.setMatrix("projection", u),
                            e.setMatrix("view", c),
                            e.setFloat("threshold", d.threshold),
                            e.setFloat("reflectionSpecularFalloffExponent", d.reflectionSpecularFalloffExponent),
                            e.setFloat("strength", d.strength),
                            e.setFloat("stepSize", d.step),
                            e.setFloat("roughnessFactor", d.roughnessFactor)
                        }
                    }
                }
                ,
                d._isSceneRightHanded = i.useRightHandedSystem,
                d
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "_geometryBufferRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? this._scene.geometryBufferRenderer : null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "_prePassRenderer", {
                get: function() {
                    return this._forceGeometryBuffer ? null : this._scene.prePassRenderer
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "ScreenSpaceReflectionPostProcess"
            }
            ,
            Object.defineProperty(t.prototype, "enableSmoothReflections", {
                get: function() {
                    return this._enableSmoothReflections
                },
                set: function(e) {
                    e !== this._enableSmoothReflections && (this._enableSmoothReflections = e,
                    this._updateEffectDefines())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "reflectionSamples", {
                get: function() {
                    return this._reflectionSamples
                },
                set: function(e) {
                    e !== this._reflectionSamples && (this._reflectionSamples = e,
                    this._updateEffectDefines())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "smoothSteps", {
                get: function() {
                    return this._smoothSteps
                },
                set: function(e) {
                    e !== this._smoothSteps && (this._smoothSteps = e,
                    this._updateEffectDefines())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._updateEffectDefines = function() {
                var e = [];
                (this._geometryBufferRenderer || this._prePassRenderer) && e.push("#define SSR_SUPPORTED"),
                this._enableSmoothReflections && e.push("#define ENABLE_SMOOTH_REFLECTIONS"),
                this._isSceneRightHanded && e.push("#define RIGHT_HANDED_SCENE"),
                e.push("#define REFLECTION_SAMPLES " + (this._reflectionSamples >> 0)),
                e.push("#define SMOOTH_STEPS " + (this._smoothSteps >> 0)),
                this.updateEffect(e.join("\n"))
            }
            ,
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,n,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.textureType,e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "threshold", void 0),
            k([Ce()], t.prototype, "strength", void 0),
            k([Ce()], t.prototype, "reflectionSpecularFalloffExponent", void 0),
            k([Ce()], t.prototype, "step", void 0),
            k([Ce()], t.prototype, "roughnessFactor", void 0),
            k([Ce()], t.prototype, "enableSmoothReflections", null),
            k([Ce()], t.prototype, "reflectionSamples", null),
            k([Ce()], t.prototype, "smoothSteps", null),
            t
        }(Ba);
        y("BABYLON.ScreenSpaceReflectionPostProcess", vb);
        Pt.ShadersStore.standardPixelShader = "uniform sampler2D textureSampler;\nvarying vec2 vUV;\n#define CUSTOM_FRAGMENT_DEFINITIONS\n#if defined(PASS_POST_PROCESS)\nvoid main(void)\n{\nvec4 color=texture2D(textureSampler,vUV);\ngl_FragColor=color;\n}\n#endif\n#if defined(DOWN_SAMPLE_X4)\nuniform vec2 dsOffsets[16];\nvoid main(void)\n{\nvec4 average=vec4(0.0,0.0,0.0,0.0);\naverage=texture2D(textureSampler,vUV+dsOffsets[0]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[1]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[2]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[3]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[4]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[5]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[6]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[7]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[8]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[9]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[10]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[11]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[12]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[13]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[14]);\naverage+=texture2D(textureSampler,vUV+dsOffsets[15]);\naverage/=16.0;\ngl_FragColor=average;\n}\n#endif\n#if defined(BRIGHT_PASS)\nuniform vec2 dsOffsets[4];\nuniform float brightThreshold;\nvoid main(void)\n{\nvec4 average=vec4(0.0,0.0,0.0,0.0);\naverage=texture2D(textureSampler,vUV+vec2(dsOffsets[0].x,dsOffsets[0].y));\naverage+=texture2D(textureSampler,vUV+vec2(dsOffsets[1].x,dsOffsets[1].y));\naverage+=texture2D(textureSampler,vUV+vec2(dsOffsets[2].x,dsOffsets[2].y));\naverage+=texture2D(textureSampler,vUV+vec2(dsOffsets[3].x,dsOffsets[3].y));\naverage*=0.25;\nfloat luminance=length(average.rgb);\nif (luminance<brightThreshold) {\naverage=vec4(0.0,0.0,0.0,1.0);\n}\ngl_FragColor=average;\n}\n#endif\n#if defined(TEXTURE_ADDER)\nuniform sampler2D otherSampler;\nuniform sampler2D lensSampler;\nuniform float exposure;\nvoid main(void)\n{\nvec3 colour=texture2D(textureSampler,vUV).rgb;\ncolour*=exposure;\nvec3 X=max(vec3(0.0,0.0,0.0),colour-0.004);\nvec3 retColor=(X*(6.2*X+0.5))/(X*(6.2*X+1.7)+0.06);\ncolour=retColor*retColor;\ncolour+=colour*texture2D(lensSampler,vUV).rgb;\nvec4 finalColor=vec4(colour.rgb,1.0)+texture2D(otherSampler,vUV);\ngl_FragColor=finalColor;\n}\n#endif\n#if defined(VLS)\n#define PI 3.1415926535897932384626433832795\nuniform mat4 shadowViewProjection;\nuniform mat4 lightWorld;\nuniform vec3 cameraPosition;\nuniform vec3 sunDirection;\nuniform vec3 sunColor;\nuniform vec2 depthValues;\nuniform float scatteringCoefficient;\nuniform float scatteringPower;\nuniform sampler2D shadowMapSampler;\nuniform sampler2D positionSampler;\nfloat computeScattering(float lightDotView)\n{\nfloat result=1.0-scatteringCoefficient*scatteringCoefficient;\nresult/=(4.0*PI*pow(1.0+scatteringCoefficient*scatteringCoefficient-(2.0*scatteringCoefficient)*lightDotView,1.5));\nreturn result;\n}\nvoid main(void)\n{\nvec3 worldPos=texture2D(positionSampler,vUV).rgb;\nvec3 startPosition=cameraPosition;\nvec3 rayVector=worldPos-startPosition;\nfloat rayLength=length(rayVector);\nvec3 rayDirection=rayVector/rayLength;\nfloat stepLength=rayLength/NB_STEPS;\nvec3 stepL=rayDirection*stepLength;\nvec3 currentPosition=startPosition;\nvec3 accumFog=vec3(0.0);\nfor (int i=0; i<int(NB_STEPS); i++)\n{\nvec4 worldInShadowCameraSpace=shadowViewProjection*vec4(currentPosition,1.0);\nfloat depthMetric= (worldInShadowCameraSpace.z+depthValues.x)/(depthValues.y);\nfloat shadowPixelDepth=clamp(depthMetric,0.0,1.0);\nworldInShadowCameraSpace.xyz/=worldInShadowCameraSpace.w;\nworldInShadowCameraSpace.xyz=0.5*worldInShadowCameraSpace.xyz+vec3(0.5);\nfloat shadowMapValue=texture2D(shadowMapSampler,worldInShadowCameraSpace.xy).r;\nif (shadowMapValue>shadowPixelDepth)\naccumFog+=sunColor*computeScattering(dot(rayDirection,sunDirection));\ncurrentPosition+=stepL;\n}\naccumFog/=NB_STEPS;\nvec3 color=accumFog*scatteringPower;\ngl_FragColor=vec4(color*exp(color) ,1.0);\n}\n#endif\n#if defined(VLSMERGE)\nuniform sampler2D originalSampler;\nvoid main(void)\n{\ngl_FragColor=texture2D(originalSampler,vUV)+texture2D(textureSampler,vUV);\n}\n#endif\n#if defined(LUMINANCE)\nuniform vec2 lumOffsets[4];\nvoid main()\n{\nfloat average=0.0;\nvec4 color=vec4(0.0);\nfloat maximum=-1e20;\nvec3 weight=vec3(0.299,0.587,0.114);\nfor (int i=0; i<4; i++)\n{\ncolor=texture2D(textureSampler,vUV+ lumOffsets[i]);\nfloat GreyValue=dot(color.rgb,vec3(0.33,0.33,0.33));\n#ifdef WEIGHTED_AVERAGE\nfloat GreyValue=dot(color.rgb,weight);\n#endif\n#ifdef BRIGHTNESS\nfloat GreyValue=max(color.r,max(color.g,color.b));\n#endif\n#ifdef HSL_COMPONENT\nfloat GreyValue=0.5*(max(color.r,max(color.g,color.b))+min(color.r,min(color.g,color.b)));\n#endif\n#ifdef MAGNITUDE\nfloat GreyValue=length(color.rgb);\n#endif\nmaximum=max(maximum,GreyValue);\naverage+=(0.25*log(1e-5+GreyValue));\n}\naverage=exp(average);\ngl_FragColor=vec4(average,maximum,0.0,1.0);\n}\n#endif\n#if defined(LUMINANCE_DOWN_SAMPLE)\nuniform vec2 dsOffsets[9];\nuniform float halfDestPixelSize;\n#ifdef FINAL_DOWN_SAMPLER\n#include<packingFunctions>\n#endif\nvoid main()\n{\nvec4 color=vec4(0.0);\nfloat average=0.0;\nfor (int i=0; i<9; i++)\n{\ncolor=texture2D(textureSampler,vUV+vec2(halfDestPixelSize,halfDestPixelSize)+dsOffsets[i]);\naverage+=color.r;\n}\naverage/=9.0;\n#ifdef FINAL_DOWN_SAMPLER\ngl_FragColor=pack(average);\n#else\ngl_FragColor=vec4(average,average,0.0,1.0);\n#endif\n}\n#endif\n#if defined(HDR)\nuniform sampler2D textureAdderSampler;\nuniform float averageLuminance;\nvoid main()\n{\nvec4 color=texture2D(textureAdderSampler,vUV);\n#ifndef AUTO_EXPOSURE\nvec4 adjustedColor=color/averageLuminance;\ncolor=adjustedColor;\ncolor.a=1.0;\n#endif\ngl_FragColor=color;\n}\n#endif\n#if defined(LENS_FLARE)\n#define GHOSTS 3\nuniform sampler2D lensColorSampler;\nuniform float strength;\nuniform float ghostDispersal;\nuniform float haloWidth;\nuniform vec2 resolution;\nuniform float distortionStrength;\nfloat hash(vec2 p)\n{\nfloat h=dot(p,vec2(127.1,311.7));\nreturn -1.0+2.0*fract(sin(h)*43758.5453123);\n}\nfloat noise(in vec2 p)\n{\nvec2 i=floor(p);\nvec2 f=fract(p);\nvec2 u=f*f*(3.0-2.0*f);\nreturn mix(mix(hash(i+vec2(0.0,0.0)),\nhash(i+vec2(1.0,0.0)),u.x),\nmix(hash(i+vec2(0.0,1.0)),\nhash(i+vec2(1.0,1.0)),u.x),u.y);\n}\nfloat fbm(vec2 p)\n{\nfloat f=0.0;\nf+=0.5000*noise(p); p*=2.02;\nf+=0.2500*noise(p); p*=2.03;\nf+=0.1250*noise(p); p*=2.01;\nf+=0.0625*noise(p); p*=2.04;\nf/=0.9375;\nreturn f;\n}\nvec3 pattern(vec2 uv)\n{\nvec2 p=-1.0+2.0*uv;\nfloat p2=dot(p,p);\nfloat f=fbm(vec2(15.0*p2))/2.0;\nfloat r=0.2+0.6*sin(12.5*length(uv-vec2(0.5)));\nfloat g=0.2+0.6*sin(20.5*length(uv-vec2(0.5)));\nfloat b=0.2+0.6*sin(17.2*length(uv-vec2(0.5)));\nreturn (1.0-f)*vec3(r,g,b);\n}\nfloat luminance(vec3 color)\n{\nreturn dot(color.rgb,vec3(0.2126,0.7152,0.0722));\n}\nvec4 textureDistorted(sampler2D tex,vec2 texcoord,vec2 direction,vec3 distortion)\n{\nreturn vec4(\ntexture2D(tex,texcoord+direction*distortion.r).r,\ntexture2D(tex,texcoord+direction*distortion.g).g,\ntexture2D(tex,texcoord+direction*distortion.b).b,\n1.0\n);\n}\nvoid main(void)\n{\nvec2 uv=-vUV+vec2(1.0);\nvec2 ghostDir=(vec2(0.5)-uv)*ghostDispersal;\nvec2 texelSize=1.0/resolution;\nvec3 distortion=vec3(-texelSize.x*distortionStrength,0.0,texelSize.x*distortionStrength);\nvec4 result=vec4(0.0);\nfloat ghostIndice=1.0;\nfor (int i=0; i<GHOSTS; ++i)\n{\nvec2 offset=fract(uv+ghostDir*ghostIndice);\nfloat weight=length(vec2(0.5)-offset)/length(vec2(0.5));\nweight=pow(1.0-weight,10.0);\nresult+=textureDistorted(textureSampler,offset,normalize(ghostDir),distortion)*weight*strength;\nghostIndice+=1.0;\n}\nvec2 haloVec=normalize(ghostDir)*haloWidth;\nfloat weight=length(vec2(0.5)-fract(uv+haloVec))/length(vec2(0.5));\nweight=pow(1.0-weight,10.0);\nresult+=textureDistorted(textureSampler,fract(uv+haloVec),normalize(ghostDir),distortion)*weight*strength;\nresult*=texture2D(lensColorSampler,vec2(length(vec2(0.5)-uv)/length(vec2(0.5))));\ngl_FragColor=result;\n}\n#endif\n#if defined(LENS_FLARE_COMPOSE)\nuniform sampler2D otherSampler;\nuniform sampler2D lensDirtSampler;\nuniform sampler2D lensStarSampler;\nuniform mat4 lensStarMatrix;\nvoid main(void)\n{\nvec2 lensFlareCoords=(lensStarMatrix*vec4(vUV,1.0,1.0)).xy;\nvec4 lensMod=texture2D(lensDirtSampler,vUV);\nlensMod+=texture2D(lensStarSampler,vUV/*lensFlareCoords*/);\nvec4 result=texture2D(textureSampler,vUV)*lensMod;\ngl_FragColor=texture2D(otherSampler,vUV)+result;\n}\n#endif\n#if defined(DEPTH_OF_FIELD)\nuniform sampler2D otherSampler;\nuniform sampler2D depthSampler;\nuniform float distance;\nvoid main(void)\n{\nvec4 sharp=texture2D(otherSampler,vUV);\nvec4 blur=texture2D(textureSampler,vUV);\nfloat dist=clamp(texture2D(depthSampler,vUV).r*distance,0.0,1.0);\nfloat factor=0.0;\nif (dist<0.05)\nfactor=1.0;\nelse if (dist<0.1)\nfactor=20.0*(0.1-dist);\nelse if (dist<0.5)\nfactor=0.0;\nelse\nfactor=2.0*(dist-0.5);\nfactor=clamp(factor,0.0,0.90);\ngl_FragColor=mix(sharp,blur,factor);\n}\n#endif\n#if defined(MOTION_BLUR)\nuniform mat4 inverseViewProjection;\nuniform mat4 prevViewProjection;\nuniform vec2 screenSize;\nuniform float motionScale;\nuniform float motionStrength;\nuniform sampler2D depthSampler;\nvoid main(void)\n{\nvec2 texelSize=1.0/screenSize;\nfloat depth=texture2D(depthSampler,vUV).r;\nvec4 cpos=vec4(vUV*2.0-1.0,depth,1.0);\ncpos=cpos*inverseViewProjection;\nvec4 ppos=cpos*prevViewProjection;\nppos.xyz/=ppos.w;\nppos.xy=ppos.xy*0.5+0.5;\nvec2 velocity=(ppos.xy-vUV)*motionScale*motionStrength;\nfloat speed=length(velocity/texelSize);\nint nSamples=int(clamp(speed,1.0,MAX_MOTION_SAMPLES));\nvec4 result=texture2D(textureSampler,vUV);\nfor (int i=1; i<int(MAX_MOTION_SAMPLES); ++i) {\nif (i>=nSamples)\nbreak;\nvec2 offset1=vUV+velocity*(float(i)/float(nSamples-1)-0.5);\nresult+=texture2D(textureSampler,offset1);\n}\ngl_FragColor=result/float(nSamples);\n}\n#endif\n";
        var yb = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = null);
                var s = e.call(this, i.getEngine(), t) || this;
                return s.downSampleX4PostProcess = null,
                s.brightPassPostProcess = null,
                s.blurHPostProcesses = [],
                s.blurVPostProcesses = [],
                s.textureAdderPostProcess = null,
                s.volumetricLightPostProcess = null,
                s.volumetricLightSmoothXPostProcess = null,
                s.volumetricLightSmoothYPostProcess = null,
                s.volumetricLightMergePostProces = null,
                s.volumetricLightFinalPostProcess = null,
                s.luminancePostProcess = null,
                s.luminanceDownSamplePostProcesses = [],
                s.hdrPostProcess = null,
                s.textureAdderFinalPostProcess = null,
                s.lensFlareFinalPostProcess = null,
                s.hdrFinalPostProcess = null,
                s.lensFlarePostProcess = null,
                s.lensFlareComposePostProcess = null,
                s.motionBlurPostProcess = null,
                s.depthOfFieldPostProcess = null,
                s.fxaaPostProcess = null,
                s.screenSpaceReflectionPostProcess = null,
                s.brightThreshold = 1,
                s.blurWidth = 512,
                s.horizontalBlur = !1,
                s.lensTexture = null,
                s.volumetricLightCoefficient = .2,
                s.volumetricLightPower = 4,
                s.volumetricLightBlurScale = 64,
                s.sourceLight = null,
                s.hdrMinimumLuminance = 1,
                s.hdrDecreaseRate = .5,
                s.hdrIncreaseRate = .5,
                s.lensColorTexture = null,
                s.lensFlareStrength = 20,
                s.lensFlareGhostDispersal = 1.4,
                s.lensFlareHaloWidth = .7,
                s.lensFlareDistortionStrength = 16,
                s.lensFlareBlurWidth = 512,
                s.lensStarTexture = null,
                s.lensFlareDirtTexture = null,
                s.depthOfFieldDistance = 10,
                s.depthOfFieldBlurWidth = 64,
                s.animations = [],
                s._currentDepthOfFieldSource = null,
                s._fixedExposure = 1,
                s._currentExposure = 1,
                s._hdrAutoExposure = !1,
                s._hdrCurrentLuminance = 1,
                s._motionStrength = 1,
                s._isObjectBasedMotionBlur = !1,
                s._camerasToBeAttached = [],
                s._bloomEnabled = !1,
                s._depthOfFieldEnabled = !1,
                s._vlsEnabled = !1,
                s._lensFlareEnabled = !1,
                s._hdrEnabled = !1,
                s._motionBlurEnabled = !1,
                s._fxaaEnabled = !1,
                s._screenSpaceReflectionsEnabled = !1,
                s._motionBlurSamples = 64,
                s._volumetricLightStepsCount = 50,
                s._samples = 1,
                s._cameras = o || i.cameras,
                s._cameras = s._cameras.slice(),
                s._camerasToBeAttached = s._cameras.slice(),
                s._scene = i,
                s._basePostProcess = r,
                s._ratio = n,
                s._floatTextureType = i.getEngine().getCaps().textureFloatRender ? a.TEXTURETYPE_FLOAT : a.TEXTURETYPE_HALF_FLOAT,
                i.postProcessRenderPipelineManager.addPipeline(s),
                s._buildPipeline(),
                s
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "exposure", {
                get: function() {
                    return this._fixedExposure
                },
                set: function(e) {
                    this._fixedExposure = e,
                    this._currentExposure = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "hdrAutoExposure", {
                get: function() {
                    return this._hdrAutoExposure
                },
                set: function(e) {
                    if (this._hdrAutoExposure = e,
                    this.hdrPostProcess) {
                        var t = ["#define HDR"];
                        e && t.push("#define AUTO_EXPOSURE"),
                        this.hdrPostProcess.updateEffect(t.join("\n"))
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "motionStrength", {
                get: function() {
                    return this._motionStrength
                },
                set: function(e) {
                    this._motionStrength = e,
                    this._isObjectBasedMotionBlur && this.motionBlurPostProcess && (this.motionBlurPostProcess.motionStrength = e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "objectBasedMotionBlur", {
                get: function() {
                    return this._isObjectBasedMotionBlur
                },
                set: function(e) {
                    var t = this._isObjectBasedMotionBlur !== e;
                    this._isObjectBasedMotionBlur = e,
                    t && this._buildPipeline()
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "BloomEnabled", {
                get: function() {
                    return this._bloomEnabled
                },
                set: function(e) {
                    this._bloomEnabled !== e && (this._bloomEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "DepthOfFieldEnabled", {
                get: function() {
                    return this._depthOfFieldEnabled
                },
                set: function(e) {
                    this._depthOfFieldEnabled !== e && (this._depthOfFieldEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "LensFlareEnabled", {
                get: function() {
                    return this._lensFlareEnabled
                },
                set: function(e) {
                    this._lensFlareEnabled !== e && (this._lensFlareEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "HDREnabled", {
                get: function() {
                    return this._hdrEnabled
                },
                set: function(e) {
                    this._hdrEnabled !== e && (this._hdrEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "VLSEnabled", {
                get: function() {
                    return this._vlsEnabled
                },
                set: function(e) {
                    if (this._vlsEnabled !== e) {
                        if (e && !this._scene.enableGeometryBufferRenderer())
                            return void K.Warn("Geometry renderer is not supported, cannot create volumetric lights in Standard Rendering Pipeline");
                        this._vlsEnabled = e,
                        this._buildPipeline()
                    }
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "MotionBlurEnabled", {
                get: function() {
                    return this._motionBlurEnabled
                },
                set: function(e) {
                    this._motionBlurEnabled !== e && (this._motionBlurEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "fxaaEnabled", {
                get: function() {
                    return this._fxaaEnabled
                },
                set: function(e) {
                    this._fxaaEnabled !== e && (this._fxaaEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "screenSpaceReflectionsEnabled", {
                get: function() {
                    return this._screenSpaceReflectionsEnabled
                },
                set: function(e) {
                    this._screenSpaceReflectionsEnabled !== e && (this._screenSpaceReflectionsEnabled = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "volumetricLightStepsCount", {
                get: function() {
                    return this._volumetricLightStepsCount
                },
                set: function(e) {
                    this.volumetricLightPostProcess && this.volumetricLightPostProcess.updateEffect("#define VLS\n#define NB_STEPS " + e.toFixed(1)),
                    this._volumetricLightStepsCount = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "motionBlurSamples", {
                get: function() {
                    return this._motionBlurSamples
                },
                set: function(e) {
                    this.motionBlurPostProcess && (this._isObjectBasedMotionBlur ? this.motionBlurPostProcess.motionBlurSamples = e : this.motionBlurPostProcess.updateEffect("#define MOTION_BLUR\n#define MAX_MOTION_SAMPLES " + e.toFixed(1))),
                    this._motionBlurSamples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "samples", {
                get: function() {
                    return this._samples
                },
                set: function(e) {
                    this._samples !== e && (this._samples = e,
                    this._buildPipeline())
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._buildPipeline = function() {
                var e = this
                  , t = this._ratio
                  , i = this._scene;
                this._disposePostProcesses(),
                null !== this._cameras && (this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._cameras),
                this._cameras = this._camerasToBeAttached.slice()),
                this._reset(),
                this._screenSpaceReflectionsEnabled && (this.screenSpaceReflectionPostProcess = new vb("HDRPass",i,t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,this._floatTextureType),
                this.screenSpaceReflectionPostProcess.onApplyObservable.add((function() {
                    e._currentDepthOfFieldSource = e.screenSpaceReflectionPostProcess
                }
                )),
                this.addEffect(new Vy(i.getEngine(),"HDRScreenSpaceReflections",(function() {
                    return e.screenSpaceReflectionPostProcess
                }
                ),!0))),
                this._basePostProcess ? this.originalPostProcess = this._basePostProcess : this.originalPostProcess = new Ba("HDRPass","standard",[],[],t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,"#define PASS_POST_PROCESS",this._floatTextureType),
                this.originalPostProcess.autoClear = !this.screenSpaceReflectionPostProcess,
                this.originalPostProcess.onApplyObservable.add((function() {
                    e._currentDepthOfFieldSource = e.originalPostProcess
                }
                )),
                this.addEffect(new Vy(i.getEngine(),"HDRPassPostProcess",(function() {
                    return e.originalPostProcess
                }
                ),!0)),
                this._bloomEnabled && (this._createDownSampleX4PostProcess(i, t / 4),
                this._createBrightPassPostProcess(i, t / 4),
                this._createBlurPostProcesses(i, t / 4, 1),
                this._createTextureAdderPostProcess(i, t),
                this.textureAdderFinalPostProcess = new Ba("HDRDepthOfFieldSource","standard",[],[],t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,"#define PASS_POST_PROCESS",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(i.getEngine(),"HDRBaseDepthOfFieldSource",(function() {
                    return e.textureAdderFinalPostProcess
                }
                ),!0))),
                this._vlsEnabled && (this._createVolumetricLightPostProcess(i, t),
                this.volumetricLightFinalPostProcess = new Ba("HDRVLSFinal","standard",[],[],t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,"#define PASS_POST_PROCESS",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(i.getEngine(),"HDRVLSFinal",(function() {
                    return e.volumetricLightFinalPostProcess
                }
                ),!0))),
                this._lensFlareEnabled && (this._createLensFlarePostProcess(i, t),
                this.lensFlareFinalPostProcess = new Ba("HDRPostLensFlareDepthOfFieldSource","standard",[],[],t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,"#define PASS_POST_PROCESS",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(i.getEngine(),"HDRPostLensFlareDepthOfFieldSource",(function() {
                    return e.lensFlareFinalPostProcess
                }
                ),!0))),
                this._hdrEnabled && (this._createLuminancePostProcesses(i, this._floatTextureType),
                this._createHdrPostProcess(i, t),
                this.hdrFinalPostProcess = new Ba("HDRPostHDReDepthOfFieldSource","standard",[],[],t,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,"#define PASS_POST_PROCESS",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(i.getEngine(),"HDRPostHDReDepthOfFieldSource",(function() {
                    return e.hdrFinalPostProcess
                }
                ),!0))),
                this._depthOfFieldEnabled && (this._createBlurPostProcesses(i, t / 2, 3, "depthOfFieldBlurWidth"),
                this._createDepthOfFieldPostProcess(i, t)),
                this._motionBlurEnabled && this._createMotionBlurPostProcess(i, t),
                this._fxaaEnabled && (this.fxaaPostProcess = new eb("fxaa",1,null,io.BILINEAR_SAMPLINGMODE,i.getEngine(),!1,a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(i.getEngine(),"HDRFxaa",(function() {
                    return e.fxaaPostProcess
                }
                ),!0))),
                null !== this._cameras && this._scene.postProcessRenderPipelineManager.attachCamerasToRenderPipeline(this._name, this._cameras),
                !this._enableMSAAOnFirstPostProcess(this._samples) && this._samples > 1 && K.Warn("MSAA failed to enable, MSAA is only supported in browsers that support webGL >= 2.0")
            }
            ,
            t.prototype._createDownSampleX4PostProcess = function(e, t) {
                var i = this
                  , n = new Array(32);
                this.downSampleX4PostProcess = new Ba("HDRDownSampleX4","standard",["dsOffsets"],[],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define DOWN_SAMPLE_X4",this._floatTextureType),
                this.downSampleX4PostProcess.onApply = function(e) {
                    for (var t = 0, r = i.downSampleX4PostProcess.width, o = i.downSampleX4PostProcess.height, a = -2; a < 2; a++)
                        for (var s = -2; s < 2; s++)
                            n[t] = (a + .5) * (1 / r),
                            n[t + 1] = (s + .5) * (1 / o),
                            t += 2;
                    e.setArray2("dsOffsets", n)
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRDownSampleX4",(function() {
                    return i.downSampleX4PostProcess
                }
                ),!0))
            }
            ,
            t.prototype._createBrightPassPostProcess = function(e, t) {
                var i = this
                  , n = new Array(8);
                this.brightPassPostProcess = new Ba("HDRBrightPass","standard",["dsOffsets", "brightThreshold"],[],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define BRIGHT_PASS",this._floatTextureType),
                this.brightPassPostProcess.onApply = function(e) {
                    var t = 1 / i.brightPassPostProcess.width
                      , r = 1 / i.brightPassPostProcess.height;
                    n[0] = -.5 * t,
                    n[1] = .5 * r,
                    n[2] = .5 * t,
                    n[3] = .5 * r,
                    n[4] = -.5 * t,
                    n[5] = -.5 * r,
                    n[6] = .5 * t,
                    n[7] = -.5 * r,
                    e.setArray2("dsOffsets", n),
                    e.setFloat("brightThreshold", i.brightThreshold)
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRBrightPass",(function() {
                    return i.brightPassPostProcess
                }
                ),!0))
            }
            ,
            t.prototype._createBlurPostProcesses = function(e, t, i, n) {
                var r = this;
                void 0 === n && (n = "blurWidth");
                var o = e.getEngine()
                  , a = new Fd("HDRBlurH_" + i,new A(1,0),this[n],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,this._floatTextureType)
                  , s = new Fd("HDRBlurV_" + i,new A(0,1),this[n],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,this._floatTextureType);
                a.onActivateObservable.add((function() {
                    var e = a.width / o.getRenderWidth();
                    a.kernel = r[n] * e
                }
                )),
                s.onActivateObservable.add((function() {
                    var e = s.height / o.getRenderHeight();
                    s.kernel = r.horizontalBlur ? 64 * e : r[n] * e
                }
                )),
                this.addEffect(new Vy(e.getEngine(),"HDRBlurH" + i,(function() {
                    return a
                }
                ),!0)),
                this.addEffect(new Vy(e.getEngine(),"HDRBlurV" + i,(function() {
                    return s
                }
                ),!0)),
                this.blurHPostProcesses.push(a),
                this.blurVPostProcesses.push(s)
            }
            ,
            t.prototype._createTextureAdderPostProcess = function(e, t) {
                var i = this;
                this.textureAdderPostProcess = new Ba("HDRTextureAdder","standard",["exposure"],["otherSampler", "lensSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define TEXTURE_ADDER",this._floatTextureType),
                this.textureAdderPostProcess.onApply = function(e) {
                    e.setTextureFromPostProcess("otherSampler", i._vlsEnabled ? i._currentDepthOfFieldSource : i.originalPostProcess),
                    e.setTexture("lensSampler", i.lensTexture),
                    e.setFloat("exposure", i._currentExposure),
                    i._currentDepthOfFieldSource = i.textureAdderFinalPostProcess
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRTextureAdder",(function() {
                    return i.textureAdderPostProcess
                }
                ),!0))
            }
            ,
            t.prototype._createVolumetricLightPostProcess = function(e, t) {
                var i = this
                  , n = e.enableGeometryBufferRenderer();
                n.enablePosition = !0;
                var r = n.getGBuffer();
                this.volumetricLightPostProcess = new Ba("HDRVLS","standard",["shadowViewProjection", "cameraPosition", "sunDirection", "sunColor", "scatteringCoefficient", "scatteringPower", "depthValues"],["shadowMapSampler", "positionSampler"],t / 8,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define VLS\n#define NB_STEPS " + this._volumetricLightStepsCount.toFixed(1));
                var o = A.Zero();
                this.volumetricLightPostProcess.onApply = function(e) {
                    if (i.sourceLight && i.sourceLight.getShadowGenerator() && i._scene.activeCamera) {
                        var t = i.sourceLight.getShadowGenerator();
                        e.setTexture("shadowMapSampler", t.getShadowMap()),
                        e.setTexture("positionSampler", r.textures[2]),
                        e.setColor3("sunColor", i.sourceLight.diffuse),
                        e.setVector3("sunDirection", i.sourceLight.getShadowDirection()),
                        e.setVector3("cameraPosition", i._scene.activeCamera.globalPosition),
                        e.setMatrix("shadowViewProjection", t.getTransformMatrix()),
                        e.setFloat("scatteringCoefficient", i.volumetricLightCoefficient),
                        e.setFloat("scatteringPower", i.volumetricLightPower),
                        o.x = i.sourceLight.getDepthMinZ(i._scene.activeCamera),
                        o.y = i.sourceLight.getDepthMaxZ(i._scene.activeCamera),
                        e.setVector2("depthValues", o)
                    }
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRVLS",(function() {
                    return i.volumetricLightPostProcess
                }
                ),!0)),
                this._createBlurPostProcesses(e, t / 4, 0, "volumetricLightBlurScale"),
                this.volumetricLightMergePostProces = new Ba("HDRVLSMerge","standard",[],["originalSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define VLSMERGE"),
                this.volumetricLightMergePostProces.onApply = function(e) {
                    e.setTextureFromPostProcess("originalSampler", i._bloomEnabled ? i.textureAdderFinalPostProcess : i.originalPostProcess),
                    i._currentDepthOfFieldSource = i.volumetricLightFinalPostProcess
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRVLSMerge",(function() {
                    return i.volumetricLightMergePostProces
                }
                ),!0))
            }
            ,
            t.prototype._createLuminancePostProcesses = function(e, i) {
                var n = this
                  , r = Math.pow(3, t.LuminanceSteps);
                this.luminancePostProcess = new Ba("HDRLuminance","standard",["lumOffsets"],[],{
                    width: r,
                    height: r
                },null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define LUMINANCE",i);
                var o = [];
                this.luminancePostProcess.onApply = function(e) {
                    var t = 1 / n.luminancePostProcess.width
                      , i = 1 / n.luminancePostProcess.height;
                    o[0] = -.5 * t,
                    o[1] = .5 * i,
                    o[2] = .5 * t,
                    o[3] = .5 * i,
                    o[4] = -.5 * t,
                    o[5] = -.5 * i,
                    o[6] = .5 * t,
                    o[7] = -.5 * i,
                    e.setArray2("lumOffsets", o)
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRLuminance",(function() {
                    return n.luminancePostProcess
                }
                ),!0));
                for (var a = t.LuminanceSteps - 1; a >= 0; a--) {
                    r = Math.pow(3, a);
                    var s = "#define LUMINANCE_DOWN_SAMPLE\n";
                    0 === a && (s += "#define FINAL_DOWN_SAMPLER");
                    var l = new Ba("HDRLuminanceDownSample" + a,"standard",["dsOffsets", "halfDestPixelSize"],[],{
                        width: r,
                        height: r
                    },null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,s,i);
                    this.luminanceDownSamplePostProcesses.push(l)
                }
                var c = this.luminancePostProcess;
                this.luminanceDownSamplePostProcesses.forEach((function(t, i) {
                    var r = new Array(18);
                    t.onApply = function(e) {
                        if (c) {
                            for (var o = 0, a = -1; a < 2; a++)
                                for (var s = -1; s < 2; s++)
                                    r[o] = a / c.width,
                                    r[o + 1] = s / c.height,
                                    o += 2;
                            e.setArray2("dsOffsets", r),
                            e.setFloat("halfDestPixelSize", .5 / c.width),
                            c = i === n.luminanceDownSamplePostProcesses.length - 1 ? n.luminancePostProcess : t
                        }
                    }
                    ,
                    i === n.luminanceDownSamplePostProcesses.length - 1 && (t.onAfterRender = function() {
                        var t = e.getEngine().readPixels(0, 0, 1, 1)
                          , i = new R(1 / 16581375,1 / 65025,1 / 255,1);
                        t.then((function(e) {
                            var t = new Uint8Array(e.buffer);
                            n._hdrCurrentLuminance = (t[0] * i.x + t[1] * i.y + t[2] * i.z + t[3] * i.w) / 100
                        }
                        ))
                    }
                    ),
                    n.addEffect(new Vy(e.getEngine(),"HDRLuminanceDownSample" + i,(function() {
                        return t
                    }
                    ),!0))
                }
                ))
            }
            ,
            t.prototype._createHdrPostProcess = function(e, t) {
                var i = this
                  , n = ["#define HDR"];
                this._hdrAutoExposure && n.push("#define AUTO_EXPOSURE"),
                this.hdrPostProcess = new Ba("HDR","standard",["averageLuminance"],["textureAdderSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,n.join("\n"),a.TEXTURETYPE_UNSIGNED_INT);
                var r = 1
                  , o = 0
                  , s = 0;
                this.hdrPostProcess.onApply = function(t) {
                    if (t.setTextureFromPostProcess("textureAdderSampler", i._currentDepthOfFieldSource),
                    o += e.getEngine().getDeltaTime(),
                    r < 0)
                        r = i._hdrCurrentLuminance;
                    else {
                        var n = (s - o) / 1e3;
                        i._hdrCurrentLuminance < r + i.hdrDecreaseRate * n ? r += i.hdrDecreaseRate * n : i._hdrCurrentLuminance > r - i.hdrIncreaseRate * n ? r -= i.hdrIncreaseRate * n : r = i._hdrCurrentLuminance
                    }
                    i.hdrAutoExposure ? i._currentExposure = i._fixedExposure / r : (r = d.Clamp(r, i.hdrMinimumLuminance, 1e20),
                    t.setFloat("averageLuminance", r)),
                    s = o,
                    i._currentDepthOfFieldSource = i.hdrFinalPostProcess
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDR",(function() {
                    return i.hdrPostProcess
                }
                ),!0))
            }
            ,
            t.prototype._createLensFlarePostProcess = function(e, t) {
                var i = this;
                this.lensFlarePostProcess = new Ba("HDRLensFlare","standard",["strength", "ghostDispersal", "haloWidth", "resolution", "distortionStrength"],["lensColorSampler"],t / 2,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define LENS_FLARE",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(e.getEngine(),"HDRLensFlare",(function() {
                    return i.lensFlarePostProcess
                }
                ),!0)),
                this._createBlurPostProcesses(e, t / 4, 2, "lensFlareBlurWidth"),
                this.lensFlareComposePostProcess = new Ba("HDRLensFlareCompose","standard",["lensStarMatrix"],["otherSampler", "lensDirtSampler", "lensStarSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define LENS_FLARE_COMPOSE",a.TEXTURETYPE_UNSIGNED_INT),
                this.addEffect(new Vy(e.getEngine(),"HDRLensFlareCompose",(function() {
                    return i.lensFlareComposePostProcess
                }
                ),!0));
                var n = new A(0,0);
                this.lensFlarePostProcess.externalTextureSamplerBinding = !0,
                this.lensFlarePostProcess.onApply = function(e) {
                    e.setTextureFromPostProcess("textureSampler", i._bloomEnabled ? i.blurHPostProcesses[0] : i.originalPostProcess),
                    e.setTexture("lensColorSampler", i.lensColorTexture),
                    e.setFloat("strength", i.lensFlareStrength),
                    e.setFloat("ghostDispersal", i.lensFlareGhostDispersal),
                    e.setFloat("haloWidth", i.lensFlareHaloWidth),
                    n.x = i.lensFlarePostProcess.width,
                    n.y = i.lensFlarePostProcess.height,
                    e.setVector2("resolution", n),
                    e.setFloat("distortionStrength", i.lensFlareDistortionStrength)
                }
                ;
                var r = P.FromValues(2, 0, -1, 0, 0, 2, -1, 0, 0, 0, 1, 0, 0, 0, 0, 1)
                  , o = P.FromValues(.5, 0, .5, 0, 0, .5, .5, 0, 0, 0, 1, 0, 0, 0, 0, 1);
                this.lensFlareComposePostProcess.onApply = function(e) {
                    if (i._scene.activeCamera) {
                        e.setTextureFromPostProcess("otherSampler", i.lensFlarePostProcess),
                        e.setTexture("lensDirtSampler", i.lensFlareDirtTexture),
                        e.setTexture("lensStarSampler", i.lensStarTexture);
                        var t = i._scene.activeCamera.getViewMatrix().getRow(0)
                          , n = i._scene.activeCamera.getViewMatrix().getRow(2)
                          , a = x.Dot(t.toVector3(), new x(1,0,0)) + x.Dot(n.toVector3(), new x(0,0,1));
                        a *= 4;
                        var s = P.FromValues(.5 * Math.cos(a), -Math.sin(a), 0, 0, Math.sin(a), .5 * Math.cos(a), 0, 0, 0, 0, 1, 0, 0, 0, 0, 1)
                          , l = o.multiply(s).multiply(r);
                        e.setMatrix("lensStarMatrix", l),
                        i._currentDepthOfFieldSource = i.lensFlareFinalPostProcess
                    }
                }
            }
            ,
            t.prototype._createDepthOfFieldPostProcess = function(e, t) {
                var i = this;
                this.depthOfFieldPostProcess = new Ba("HDRDepthOfField","standard",["distance"],["otherSampler", "depthSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define DEPTH_OF_FIELD",a.TEXTURETYPE_UNSIGNED_INT),
                this.depthOfFieldPostProcess.onApply = function(e) {
                    e.setTextureFromPostProcess("otherSampler", i._currentDepthOfFieldSource),
                    e.setTexture("depthSampler", i._getDepthTexture()),
                    e.setFloat("distance", i.depthOfFieldDistance)
                }
                ,
                this.addEffect(new Vy(e.getEngine(),"HDRDepthOfField",(function() {
                    return i.depthOfFieldPostProcess
                }
                ),!0))
            }
            ,
            t.prototype._createMotionBlurPostProcess = function(e, t) {
                var i = this;
                if (this._isObjectBasedMotionBlur) {
                    var n = new ab("HDRMotionBlur",e,t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,a.TEXTURETYPE_UNSIGNED_INT);
                    n.motionStrength = this.motionStrength,
                    n.motionBlurSamples = this.motionBlurSamples,
                    this.motionBlurPostProcess = n
                } else {
                    this.motionBlurPostProcess = new Ba("HDRMotionBlur","standard",["inverseViewProjection", "prevViewProjection", "screenSize", "motionScale", "motionStrength"],["depthSampler"],t,null,io.BILINEAR_SAMPLINGMODE,e.getEngine(),!1,"#define MOTION_BLUR\n#define MAX_MOTION_SAMPLES " + this.motionBlurSamples.toFixed(1),a.TEXTURETYPE_UNSIGNED_INT);
                    var r = 0
                      , o = P.Identity()
                      , s = P.Identity()
                      , l = P.Identity()
                      , c = A.Zero();
                    this.motionBlurPostProcess.onApply = function(t) {
                        (l = e.getProjectionMatrix().multiply(e.getViewMatrix())).invertToRef(s),
                        t.setMatrix("inverseViewProjection", s),
                        t.setMatrix("prevViewProjection", o),
                        o = l,
                        c.x = i.motionBlurPostProcess.width,
                        c.y = i.motionBlurPostProcess.height,
                        t.setVector2("screenSize", c),
                        r = e.getEngine().getFps() / 60,
                        t.setFloat("motionScale", r),
                        t.setFloat("motionStrength", i.motionStrength),
                        t.setTexture("depthSampler", i._getDepthTexture())
                    }
                }
                this.addEffect(new Vy(e.getEngine(),"HDRMotionBlur",(function() {
                    return i.motionBlurPostProcess
                }
                ),!0))
            }
            ,
            t.prototype._getDepthTexture = function() {
                return this._scene.getEngine().getCaps().drawBuffersExtension ? this._scene.enableGeometryBufferRenderer().getGBuffer().textures[0] : this._scene.enableDepthRenderer().getDepthMap()
            }
            ,
            t.prototype._disposePostProcesses = function() {
                for (var e = 0; e < this._cameras.length; e++) {
                    var t = this._cameras[e];
                    this.originalPostProcess && this.originalPostProcess.dispose(t),
                    this.screenSpaceReflectionPostProcess && this.screenSpaceReflectionPostProcess.dispose(t),
                    this.downSampleX4PostProcess && this.downSampleX4PostProcess.dispose(t),
                    this.brightPassPostProcess && this.brightPassPostProcess.dispose(t),
                    this.textureAdderPostProcess && this.textureAdderPostProcess.dispose(t),
                    this.volumetricLightPostProcess && this.volumetricLightPostProcess.dispose(t),
                    this.volumetricLightSmoothXPostProcess && this.volumetricLightSmoothXPostProcess.dispose(t),
                    this.volumetricLightSmoothYPostProcess && this.volumetricLightSmoothYPostProcess.dispose(t),
                    this.volumetricLightMergePostProces && this.volumetricLightMergePostProces.dispose(t),
                    this.volumetricLightFinalPostProcess && this.volumetricLightFinalPostProcess.dispose(t),
                    this.lensFlarePostProcess && this.lensFlarePostProcess.dispose(t),
                    this.lensFlareComposePostProcess && this.lensFlareComposePostProcess.dispose(t);
                    for (var i = 0; i < this.luminanceDownSamplePostProcesses.length; i++)
                        this.luminanceDownSamplePostProcesses[i].dispose(t);
                    for (this.luminancePostProcess && this.luminancePostProcess.dispose(t),
                    this.hdrPostProcess && this.hdrPostProcess.dispose(t),
                    this.hdrFinalPostProcess && this.hdrFinalPostProcess.dispose(t),
                    this.depthOfFieldPostProcess && this.depthOfFieldPostProcess.dispose(t),
                    this.motionBlurPostProcess && this.motionBlurPostProcess.dispose(t),
                    this.fxaaPostProcess && this.fxaaPostProcess.dispose(t),
                    i = 0; i < this.blurHPostProcesses.length; i++)
                        this.blurHPostProcesses[i].dispose(t);
                    for (i = 0; i < this.blurVPostProcesses.length; i++)
                        this.blurVPostProcesses[i].dispose(t)
                }
                this.originalPostProcess = null,
                this.downSampleX4PostProcess = null,
                this.brightPassPostProcess = null,
                this.textureAdderPostProcess = null,
                this.textureAdderFinalPostProcess = null,
                this.volumetricLightPostProcess = null,
                this.volumetricLightSmoothXPostProcess = null,
                this.volumetricLightSmoothYPostProcess = null,
                this.volumetricLightMergePostProces = null,
                this.volumetricLightFinalPostProcess = null,
                this.lensFlarePostProcess = null,
                this.lensFlareComposePostProcess = null,
                this.luminancePostProcess = null,
                this.hdrPostProcess = null,
                this.hdrFinalPostProcess = null,
                this.depthOfFieldPostProcess = null,
                this.motionBlurPostProcess = null,
                this.fxaaPostProcess = null,
                this.screenSpaceReflectionPostProcess = null,
                this.luminanceDownSamplePostProcesses = [],
                this.blurHPostProcesses = [],
                this.blurVPostProcesses = []
            }
            ,
            t.prototype.dispose = function() {
                this._disposePostProcesses(),
                this._scene.postProcessRenderPipelineManager.detachCamerasFromRenderPipeline(this._name, this._cameras),
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype.serialize = function() {
                var e = Ge.Serialize(this);
                return this.sourceLight && (e.sourceLightId = this.sourceLight.id),
                this.screenSpaceReflectionPostProcess && (e.screenSpaceReflectionPostProcess = Ge.Serialize(this.screenSpaceReflectionPostProcess)),
                e.customType = "StandardRenderingPipeline",
                e
            }
            ,
            t.Parse = function(e, i, n) {
                var r = Ge.Parse((function() {
                    return new t(e._name,i,e._ratio)
                }
                ), e, i, n);
                return e.sourceLightId && (r.sourceLight = i.getLightById(e.sourceLightId)),
                e.screenSpaceReflectionPostProcess && Ge.Parse((function() {
                    return r.screenSpaceReflectionPostProcess
                }
                ), e.screenSpaceReflectionPostProcess, i, n),
                r
            }
            ,
            t.LuminanceSteps = 6,
            k([Ce()], t.prototype, "brightThreshold", void 0),
            k([Ce()], t.prototype, "blurWidth", void 0),
            k([Ce()], t.prototype, "horizontalBlur", void 0),
            k([Ce()], t.prototype, "exposure", null),
            k([Pe("lensTexture")], t.prototype, "lensTexture", void 0),
            k([Ce()], t.prototype, "volumetricLightCoefficient", void 0),
            k([Ce()], t.prototype, "volumetricLightPower", void 0),
            k([Ce()], t.prototype, "volumetricLightBlurScale", void 0),
            k([Ce()], t.prototype, "hdrMinimumLuminance", void 0),
            k([Ce()], t.prototype, "hdrDecreaseRate", void 0),
            k([Ce()], t.prototype, "hdrIncreaseRate", void 0),
            k([Ce()], t.prototype, "hdrAutoExposure", null),
            k([Pe("lensColorTexture")], t.prototype, "lensColorTexture", void 0),
            k([Ce()], t.prototype, "lensFlareStrength", void 0),
            k([Ce()], t.prototype, "lensFlareGhostDispersal", void 0),
            k([Ce()], t.prototype, "lensFlareHaloWidth", void 0),
            k([Ce()], t.prototype, "lensFlareDistortionStrength", void 0),
            k([Ce()], t.prototype, "lensFlareBlurWidth", void 0),
            k([Pe("lensStarTexture")], t.prototype, "lensStarTexture", void 0),
            k([Pe("lensFlareDirtTexture")], t.prototype, "lensFlareDirtTexture", void 0),
            k([Ce()], t.prototype, "depthOfFieldDistance", void 0),
            k([Ce()], t.prototype, "depthOfFieldBlurWidth", void 0),
            k([Ce()], t.prototype, "motionStrength", null),
            k([Ce()], t.prototype, "objectBasedMotionBlur", null),
            k([Ce()], t.prototype, "_ratio", void 0),
            k([Ce()], t.prototype, "BloomEnabled", null),
            k([Ce()], t.prototype, "DepthOfFieldEnabled", null),
            k([Ce()], t.prototype, "LensFlareEnabled", null),
            k([Ce()], t.prototype, "HDREnabled", null),
            k([Ce()], t.prototype, "VLSEnabled", null),
            k([Ce()], t.prototype, "MotionBlurEnabled", null),
            k([Ce()], t.prototype, "fxaaEnabled", null),
            k([Ce()], t.prototype, "screenSpaceReflectionsEnabled", null),
            k([Ce()], t.prototype, "volumetricLightStepsCount", null),
            k([Ce()], t.prototype, "motionBlurSamples", null),
            k([Ce()], t.prototype, "samples", null),
            t
        }(cb);
        y("BABYLON.StandardRenderingPipeline", yb);
        var bb;
        Pt.ShadersStore.tonemapPixelShader = "varying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform float _ExposureAdjustment;\n#if defined(HABLE_TONEMAPPING)\nconst float A=0.15;\nconst float B=0.50;\nconst float C=0.10;\nconst float D=0.20;\nconst float E=0.02;\nconst float F=0.30;\nconst float W=11.2;\n#endif\nfloat Luminance(vec3 c)\n{\nreturn dot(c,vec3(0.22,0.707,0.071));\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nvec3 colour=texture2D(textureSampler,vUV).rgb;\n#if defined(REINHARD_TONEMAPPING)\nfloat lum=Luminance(colour.rgb); \nfloat lumTm=lum*_ExposureAdjustment;\nfloat scale=lumTm/(1.0+lumTm); \ncolour*=scale/lum;\n#elif defined(HABLE_TONEMAPPING)\ncolour*=_ExposureAdjustment;\nconst float ExposureBias=2.0;\nvec3 x=ExposureBias*colour;\nvec3 curr=((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F;\nx=vec3(W,W,W);\nvec3 whiteScale=1.0/(((x*(A*x+C*B)+D*E)/(x*(A*x+B)+D*F))-E/F);\ncolour=curr*whiteScale;\n#elif defined(OPTIMIZED_HEJIDAWSON_TONEMAPPING)\ncolour*=_ExposureAdjustment;\nvec3 X=max(vec3(0.0,0.0,0.0),colour-0.004);\nvec3 retColor=(X*(6.2*X+0.5))/(X*(6.2*X+1.7)+0.06);\ncolour=retColor*retColor;\n#elif defined(PHOTOGRAPHIC_TONEMAPPING)\ncolour= vec3(1.0,1.0,1.0)-exp2(-_ExposureAdjustment*colour);\n#endif\ngl_FragColor=vec4(colour.rgb,1.0);\n}",
        function(e) {
            e[e.Hable = 0] = "Hable",
            e[e.Reinhard = 1] = "Reinhard",
            e[e.HejiDawson = 2] = "HejiDawson",
            e[e.Photographic = 3] = "Photographic"
        }(bb || (bb = {}));
        var Tb = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === o && (o = a.TEXTURE_BILINEAR_SAMPLINGMODE),
                void 0 === l && (l = a.TEXTURETYPE_UNSIGNED_INT);
                var u = e.call(this, t, "tonemap", ["_ExposureAdjustment"], null, 1, r, o, s, c, null, l) || this;
                u._operator = i,
                u.exposureAdjustment = n;
                var h = "#define ";
                return u._operator === bb.Hable ? h += "HABLE_TONEMAPPING" : u._operator === bb.Reinhard ? h += "REINHARD_TONEMAPPING" : u._operator === bb.HejiDawson ? h += "OPTIMIZED_HEJIDAWSON_TONEMAPPING" : u._operator === bb.Photographic && (h += "PHOTOGRAPHIC_TONEMAPPING"),
                u.updateEffect(h),
                u.onApply = function(e) {
                    e.setFloat("_ExposureAdjustment", u.exposureAdjustment)
                }
                ,
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "TonemapPostProcess"
            }
            ,
            t
        }(Ba);
        Pt.ShadersStore.volumetricLightScatteringPixelShader = "uniform sampler2D textureSampler;\nuniform sampler2D lightScatteringSampler;\nuniform float decay;\nuniform float exposure;\nuniform float weight;\nuniform float density;\nuniform vec2 meshPositionOnScreen;\nvarying vec2 vUV;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec2 tc=vUV;\nvec2 deltaTexCoord=(tc-meshPositionOnScreen.xy);\ndeltaTexCoord*=1.0/float(NUM_SAMPLES)*density;\nfloat illuminationDecay=1.0;\nvec4 color=texture2D(lightScatteringSampler,tc)*0.4;\nfor(int i=0; i<NUM_SAMPLES; i++) {\ntc-=deltaTexCoord;\nvec4 dataSample=texture2D(lightScatteringSampler,tc)*0.4;\ndataSample*=illuminationDecay*weight;\ncolor+=dataSample;\nilluminationDecay*=decay;\n}\nvec4 realColor=texture2D(textureSampler,vUV);\ngl_FragColor=((vec4((vec3(color.r,color.g,color.b)*exposure),1))+(realColor*(1.5-0.4)));\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";
        Pt.ShadersStore.volumetricLightScatteringPassVertexShader = "attribute vec3 position;\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#include<instancesDeclaration>\nuniform mat4 viewProjection;\nuniform vec2 depthValues;\n#if defined(ALPHATEST) || defined(NEED_UV)\nvarying vec2 vUV;\nuniform mat4 diffuseMatrix;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#endif\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\n#if (defined(ALPHATEST) || defined(NEED_UV)) && defined(UV1)\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\ngl_Position=viewProjection*finalWorld*vec4(positionUpdated,1.0);\n#if defined(ALPHATEST) || defined(BASIC_RENDER)\n#ifdef UV1\nvUV=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef UV2\nvUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n}\n";
        Pt.ShadersStore.volumetricLightScatteringPassPixelShader = "#if defined(ALPHATEST) || defined(NEED_UV)\nvarying vec2 vUV;\n#endif\n#if defined(ALPHATEST)\nuniform sampler2D diffuseSampler;\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void)\n{\n#if defined(ALPHATEST)\nvec4 diffuseColor=texture2D(diffuseSampler,vUV);\nif (diffuseColor.a<0.4)\ndiscard;\n#endif\ngl_FragColor=vec4(0.0,0.0,0.0,1.0);\n}\n";
        var Eb = function(e) {
            function t(i, n, r, o, a, s, l, c, u) {
                void 0 === a && (a = 100),
                void 0 === s && (s = io.BILINEAR_SAMPLINGMODE);
                var h, d = this;
                return (d = e.call(this, i, "volumetricLightScattering", ["decay", "exposure", "weight", "meshPositionOnScreen", "density"], ["lightScatteringSampler"], n.postProcessRatio || n, r, s, l, c, "#define NUM_SAMPLES " + a) || this)._screenCoordinates = A.Zero(),
                d.customMeshPosition = x.Zero(),
                d.useCustomMeshPosition = !1,
                d.invert = !0,
                d.excludedMeshes = new Array,
                d.exposure = .3,
                d.decay = .96815,
                d.weight = .58767,
                d.density = .926,
                l = (u = null !== (h = null == r ? void 0 : r.getScene()) && void 0 !== h ? h : u).getEngine(),
                d._viewPort = new xr(0,0,1,1).toGlobal(l.getRenderWidth(), l.getRenderHeight()),
                d.mesh = null != o ? o : t.CreateDefaultMesh("VolumetricLightScatteringMesh", u),
                d._volumetricLightScatteringPass = new Gt(l),
                d._createPass(u, n.passRatio || n),
                d.onActivate = function(e) {
                    d.isSupported || d.dispose(e),
                    d.onActivate = null
                }
                ,
                d.onApplyObservable.add((function(e) {
                    d._updateMeshScreenCoordinates(u),
                    e.setTexture("lightScatteringSampler", d._volumetricLightScatteringRTT),
                    e.setFloat("exposure", d.exposure),
                    e.setFloat("decay", d.decay),
                    e.setFloat("weight", d.weight),
                    e.setFloat("density", d.density),
                    e.setVector2("meshPositionOnScreen", d._screenCoordinates)
                }
                )),
                d
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "useDiffuseColor", {
                get: function() {
                    return K.Warn("VolumetricLightScatteringPostProcess.useDiffuseColor is no longer used, use the mesh material directly instead"),
                    !1
                },
                set: function(e) {
                    K.Warn("VolumetricLightScatteringPostProcess.useDiffuseColor is no longer used, use the mesh material directly instead")
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "VolumetricLightScatteringPostProcess"
            }
            ,
            t.prototype._isReady = function(e, t) {
                var i = e.getMesh();
                if (i === this.mesh && i.material)
                    return i.material.isReady(i);
                var n = []
                  , r = [Bi.PositionKind]
                  , o = e.getMaterial();
                o && (o.needAlphaTesting() && n.push("#define ALPHATEST"),
                i.isVerticesDataPresent(Bi.UVKind) && (r.push(Bi.UVKind),
                n.push("#define UV1")),
                i.isVerticesDataPresent(Bi.UV2Kind) && (r.push(Bi.UV2Kind),
                n.push("#define UV2"))),
                i.useBones && i.computeBonesUsingShaders ? (r.push(Bi.MatricesIndicesKind),
                r.push(Bi.MatricesWeightsKind),
                n.push("#define NUM_BONE_INFLUENCERS " + i.numBoneInfluencers),
                n.push("#define BonesPerMesh " + (i.skeleton ? i.skeleton.bones.length + 1 : 0))) : n.push("#define NUM_BONE_INFLUENCERS 0"),
                t && (n.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(r),
                e.getRenderingMesh().hasThinInstances && n.push("#define THIN_INSTANCES"));
                var a = n.join("\n");
                return this._cachedDefines !== a && (this._cachedDefines = a,
                this._volumetricLightScatteringPass.effect = i.getScene().getEngine().createEffect("volumetricLightScatteringPass", r, ["world", "mBones", "viewProjection", "diffuseMatrix"], ["diffuseSampler"], a, void 0, void 0, void 0, {
                    maxSimultaneousMorphTargets: i.numBoneInfluencers
                })),
                this._volumetricLightScatteringPass.effect.isReady()
            }
            ,
            t.prototype.setCustomMeshPosition = function(e) {
                this.customMeshPosition = e
            }
            ,
            t.prototype.getCustomMeshPosition = function() {
                return this.customMeshPosition
            }
            ,
            t.prototype.dispose = function(t) {
                var i = t.getScene().customRenderTargets.indexOf(this._volumetricLightScatteringRTT);
                -1 !== i && t.getScene().customRenderTargets.splice(i, 1),
                this._volumetricLightScatteringRTT.dispose(),
                e.prototype.dispose.call(this, t)
            }
            ,
            t.prototype.getPass = function() {
                return this._volumetricLightScatteringRTT
            }
            ,
            t.prototype._meshExcluded = function(e) {
                return this.excludedMeshes.length > 0 && -1 !== this.excludedMeshes.indexOf(e)
            }
            ,
            t.prototype._createPass = function(e, t) {
                var i = this
                  , n = e.getEngine();
                this._volumetricLightScatteringRTT = new ns("volumetricLightScatteringMap",{
                    width: n.getRenderWidth() * t,
                    height: n.getRenderHeight() * t
                },e,!1,!0,a.TEXTURETYPE_UNSIGNED_INT),
                this._volumetricLightScatteringRTT.wrapU = io.CLAMP_ADDRESSMODE,
                this._volumetricLightScatteringRTT.wrapV = io.CLAMP_ADDRESSMODE,
                this._volumetricLightScatteringRTT.renderList = null,
                this._volumetricLightScatteringRTT.renderParticles = !1,
                this._volumetricLightScatteringRTT.ignoreCameraViewport = !0;
                var r = this.getCamera();
                r ? r.customRenderTargets.push(this._volumetricLightScatteringRTT) : e.customRenderTargets.push(this._volumetricLightScatteringRTT);
                var o, s = function(e) {
                    var t = e.getRenderingMesh()
                      , n = e.getEffectiveMesh();
                    if (!i._meshExcluded(t)) {
                        n._internalAbstractMeshDataInfo._isActiveIntermediate = !1;
                        var r = e.getMaterial();
                        if (r) {
                            var o = t.getScene()
                              , a = o.getEngine();
                            a.setState(r.backFaceCulling, void 0, void 0, void 0, r.cullBackFaces);
                            var s = t._getInstancesRenderList(e._id, !!e.getReplacementMesh());
                            if (!s.mustReturn) {
                                var l = a.getCaps().instancedArrays && (null !== s.visibleInstances[e._id] || t.hasThinInstances);
                                if (i._isReady(e, l)) {
                                    var c = i._volumetricLightScatteringPass;
                                    t === i.mesh && (c = e.effect ? e._drawWrapper : r._getDrawWrapper());
                                    var u = c.effect;
                                    if (a.enableEffect(c),
                                    l || t._bind(e, u, r.fillMode),
                                    t === i.mesh)
                                        r.bind(n.getWorldMatrix(), t);
                                    else {
                                        if (u.setMatrix("viewProjection", o.getTransformMatrix()),
                                        r && r.needAlphaTesting()) {
                                            var h = r.getAlphaTestTexture();
                                            u.setTexture("diffuseSampler", h),
                                            h && u.setMatrix("diffuseMatrix", h.getTextureMatrix())
                                        }
                                        t.useBones && t.computeBonesUsingShaders && t.skeleton && u.setMatrices("mBones", t.skeleton.getTransformMatrices(t))
                                    }
                                    t._processRendering(n, e, u, Or.TriangleFillMode, s, l, (function(e, t) {
                                        return u.setMatrix("world", t)
                                    }
                                    ))
                                }
                            }
                        }
                    }
                }, l = new N(0,0,0,1);
                this._volumetricLightScatteringRTT.onBeforeRenderObservable.add((function() {
                    o = e.clearColor,
                    e.clearColor = l
                }
                )),
                this._volumetricLightScatteringRTT.onAfterRenderObservable.add((function() {
                    e.clearColor = o
                }
                )),
                this._volumetricLightScatteringRTT.customIsReadyFunction = function(e, t) {
                    if (!e.isReady(!1))
                        return !1;
                    if (0 === t && e.subMeshes)
                        for (var r = 0; r < e.subMeshes.length; ++r) {
                            var o = e.subMeshes[r]
                              , a = o.getMaterial()
                              , s = o.getRenderingMesh();
                            if (a) {
                                var l = s._getInstancesRenderList(o._id, !!o.getReplacementMesh())
                                  , c = n.getCaps().instancedArrays && (null !== l.visibleInstances[o._id] || s.hasThinInstances);
                                if (!i._isReady(o, c))
                                    return !1
                            }
                        }
                    return !0
                }
                ,
                this._volumetricLightScatteringRTT.customRenderFunction = function(t, i, n, r) {
                    var o, l = e.getEngine();
                    if (r.length) {
                        for (l.setColorWrite(!1),
                        o = 0; o < r.length; o++)
                            s(r.data[o]);
                        l.setColorWrite(!0)
                    }
                    for (o = 0; o < t.length; o++)
                        s(t.data[o]);
                    for (o = 0; o < i.length; o++)
                        s(i.data[o]);
                    if (n.length) {
                        for (o = 0; o < n.length; o++) {
                            var c = n.data[o]
                              , u = c.getBoundingInfo();
                            u && e.activeCamera && (c._alphaIndex = c.getMesh().alphaIndex,
                            c._distanceToCamera = u.boundingSphere.centerWorld.subtract(e.activeCamera.position).length())
                        }
                        var h = n.data.slice(0, n.length);
                        for (h.sort((function(e, t) {
                            return e._alphaIndex > t._alphaIndex ? 1 : e._alphaIndex < t._alphaIndex ? -1 : e._distanceToCamera < t._distanceToCamera ? 1 : e._distanceToCamera > t._distanceToCamera ? -1 : 0
                        }
                        )),
                        l.setAlphaMode(a.ALPHA_COMBINE),
                        o = 0; o < h.length; o++)
                            s(h[o]);
                        l.setAlphaMode(a.ALPHA_DISABLE)
                    }
                }
            }
            ,
            t.prototype._updateMeshScreenCoordinates = function(e) {
                var t, i = e.getTransformMatrix();
                t = this.useCustomMeshPosition ? this.customMeshPosition : this.attachedNode ? this.attachedNode.position : this.mesh.parent ? this.mesh.getAbsolutePosition() : this.mesh.position;
                var n = x.Project(t, P.Identity(), i, this._viewPort);
                this._screenCoordinates.x = n.x / this._viewPort.width,
                this._screenCoordinates.y = n.y / this._viewPort.height,
                this.invert && (this._screenCoordinates.y = 1 - this._screenCoordinates.y)
            }
            ,
            t.CreateDefaultMesh = function(e, t) {
                var i = vo(e, {
                    size: 1
                }, t);
                i.billboardMode = Sr.BILLBOARDMODE_ALL;
                var n = new Os(e + "Material",t);
                return n.emissiveColor = new D(1,1,1),
                i.material = n,
                i
            }
            ,
            k([De()], t.prototype, "customMeshPosition", void 0),
            k([Ce()], t.prototype, "useCustomMeshPosition", void 0),
            k([Ce()], t.prototype, "invert", void 0),
            k([Ne()], t.prototype, "mesh", void 0),
            k([Ce()], t.prototype, "excludedMeshes", void 0),
            k([Ce()], t.prototype, "exposure", void 0),
            k([Ce()], t.prototype, "decay", void 0),
            k([Ce()], t.prototype, "weight", void 0),
            k([Ce()], t.prototype, "density", void 0),
            t
        }(Ba);
        y("BABYLON.VolumetricLightScatteringPostProcess", Eb);
        Pt.ShadersStore.screenSpaceCurvaturePixelShader = "precision highp float;\nvarying vec2 vUV;\nuniform sampler2D textureSampler;\nuniform sampler2D normalSampler;\nuniform float curvature_ridge;\nuniform float curvature_valley;\n#ifndef CURVATURE_OFFSET\n#define CURVATURE_OFFSET 1\n#endif\nfloat curvature_soft_clamp(float curvature,float control)\n{\nif (curvature<0.5/control)\nreturn curvature*(1.0-curvature*control);\nreturn 0.25/control;\n}\nfloat calculate_curvature(ivec2 texel,float ridge,float valley)\n{\nvec2 normal_up =texelFetch(normalSampler,texel+ivec2(0, CURVATURE_OFFSET),0).rb;\nvec2 normal_down =texelFetch(normalSampler,texel+ivec2(0,-CURVATURE_OFFSET),0).rb;\nvec2 normal_left =texelFetch(normalSampler,texel+ivec2(-CURVATURE_OFFSET,0),0).rb;\nvec2 normal_right=texelFetch(normalSampler,texel+ivec2( CURVATURE_OFFSET,0),0).rb;\nfloat normal_diff=((normal_up.g-normal_down.g)+(normal_right.r-normal_left.r));\nif (normal_diff<0.0)\nreturn -2.0*curvature_soft_clamp(-normal_diff,valley);\nreturn 2.0*curvature_soft_clamp(normal_diff,ridge);\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nivec2 texel=ivec2(gl_FragCoord.xy);\nvec4 baseColor=texture2D(textureSampler,vUV);\nfloat curvature=calculate_curvature(texel,curvature_ridge,curvature_valley);\nbaseColor.rgb*=curvature+1.0;\ngl_FragColor=baseColor;\n}";
        var Sb = function(e) {
            function t(t, i, n, r, o, s, l, c, u) {
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT),
                void 0 === u && (u = !1);
                var h = e.call(this, t, "screenSpaceCurvature", ["curvature_ridge", "curvature_valley"], ["textureSampler", "normalSampler"], n, r, o, s, l, void 0, c, void 0, null, u) || this;
                return h.ridge = 1,
                h.valley = 1,
                h._geometryBufferRenderer = i.enableGeometryBufferRenderer(),
                h._geometryBufferRenderer ? h.onApply = function(e) {
                    e.setFloat("curvature_ridge", .5 / Math.max(h.ridge * h.ridge, 1e-4)),
                    e.setFloat("curvature_valley", .7 / Math.max(h.valley * h.valley, 1e-4));
                    var t = h._geometryBufferRenderer.getGBuffer().textures[1];
                    e.setTexture("normalSampler", t)
                }
                : K.Error("Multiple Render Target support needed for screen space curvature post process. Please use IsSupported test first."),
                h
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "ScreenSpaceCurvaturePostProcess"
            }
            ,
            Object.defineProperty(t, "IsSupported", {
                get: function() {
                    var e = E.LastCreatedEngine;
                    return !!e && e.getCaps().drawBuffersExtension
                },
                enumerable: !1,
                configurable: !0
            }),
            t._Parse = function(e, i, n, r) {
                return Ge.Parse((function() {
                    return new t(e.name,n,e.options,i,e.renderTargetSamplingMode,n.getEngine(),e.textureType,e.reusable)
                }
                ), e, n, r)
            }
            ,
            k([Ce()], t.prototype, "ridge", void 0),
            k([Ce()], t.prototype, "valley", void 0),
            t
        }(Ba);
        y("BABYLON.ScreenSpaceCurvaturePostProcess", Sb);
        Pt.IncludesShadersStore.boundingBoxRendererFragmentDeclaration = "uniform vec4 color;\n";
        Pt.IncludesShadersStore.boundingBoxRendererUboDeclaration = "layout(std140,column_major) uniform;\nuniform BoundingBoxRenderer {\nvec4 color;\nmat4 world;\nmat4 viewProjection;\nmat4 viewProjectionR;\n};\n";
        Pt.ShadersStore.boundingBoxRendererPixelShader = "#include<__decl__boundingBoxRendererFragment>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\ngl_FragColor=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.IncludesShadersStore.boundingBoxRendererVertexDeclaration = "uniform mat4 world;\nuniform mat4 viewProjection;\n#ifdef MULTIVIEW\nuniform mat4 viewProjectionR;\n#endif\n";
        Pt.ShadersStore.boundingBoxRendererVertexShader = "attribute vec3 position;\n#include<__decl__boundingBoxRendererVertex>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec4 worldPos=world*vec4(position,1.0);\n#ifdef MULTIVIEW\nif (gl_ViewID_OVR==0u) {\ngl_Position=viewProjection*worldPos;\n} else {\ngl_Position=viewProjectionR*worldPos;\n}\n#else\ngl_Position=viewProjection*worldPos;\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}\n",
        Object.defineProperty(mn.prototype, "forceShowBoundingBoxes", {
            get: function() {
                return this._forceShowBoundingBoxes || !1
            },
            set: function(e) {
                this._forceShowBoundingBoxes = e,
                e && this.getBoundingBoxRenderer()
            },
            enumerable: !0,
            configurable: !0
        }),
        mn.prototype.getBoundingBoxRenderer = function() {
            return this._boundingBoxRenderer || (this._boundingBoxRenderer = new Ab(this)),
            this._boundingBoxRenderer
        }
        ,
        Object.defineProperty(Sr.prototype, "showBoundingBox", {
            get: function() {
                return this._showBoundingBox || !1
            },
            set: function(e) {
                this._showBoundingBox = e,
                e && this.getScene().getBoundingBoxRenderer()
            },
            enumerable: !0,
            configurable: !0
        });
        var Ab = function() {
            function e(e) {
                this.name = Wi.NAME_BOUNDINGBOXRENDERER,
                this.frontColor = new D(1,1,1),
                this.backColor = new D(.1,.1,.1),
                this.showBackLines = !0,
                this.onBeforeBoxRenderingObservable = new h,
                this.onAfterBoxRenderingObservable = new h,
                this.onResourcesReadyObservable = new h,
                this.enabled = !0,
                this.renderList = new bi(32),
                this._vertexBuffers = {},
                this._fillIndexBuffer = null,
                this._fillIndexData = null,
                this.scene = e,
                e._addComponent(this),
                this._uniformBufferFront = new Fi(this.scene.getEngine(),void 0,void 0,"BoundingBoxRendererFront"),
                this._buildUniformLayout(this._uniformBufferFront),
                this._uniformBufferBack = new Fi(this.scene.getEngine(),void 0,void 0,"BoundingBoxRendererBack"),
                this._buildUniformLayout(this._uniformBufferBack)
            }
            return e.prototype._buildUniformLayout = function(e) {
                e.addUniform("color", 4),
                e.addUniform("world", 16),
                e.addUniform("viewProjection", 16),
                e.addUniform("viewProjectionR", 16),
                e.create()
            }
            ,
            e.prototype.register = function() {
                this.scene._beforeEvaluateActiveMeshStage.registerStep(Wi.STEP_BEFOREEVALUATEACTIVEMESH_BOUNDINGBOXRENDERER, this, this.reset),
                this.scene._preActiveMeshStage.registerStep(Wi.STEP_PREACTIVEMESH_BOUNDINGBOXRENDERER, this, this._preActiveMesh),
                this.scene._evaluateSubMeshStage.registerStep(Wi.STEP_EVALUATESUBMESH_BOUNDINGBOXRENDERER, this, this._evaluateSubMesh),
                this.scene._afterRenderingGroupDrawStage.registerStep(Wi.STEP_AFTERRENDERINGGROUPDRAW_BOUNDINGBOXRENDERER, this, this.render)
            }
            ,
            e.prototype._evaluateSubMesh = function(e, t) {
                if (e.showSubMeshesBoundingBox) {
                    var i = t.getBoundingInfo();
                    null != i && (i.boundingBox._tag = e.renderingGroupId,
                    this.renderList.push(i.boundingBox))
                }
            }
            ,
            e.prototype._preActiveMesh = function(e) {
                if (e.showBoundingBox || this.scene.forceShowBoundingBoxes) {
                    var t = e.getBoundingInfo();
                    t.boundingBox._tag = e.renderingGroupId,
                    this.renderList.push(t.boundingBox)
                }
            }
            ,
            e.prototype._prepareResources = function() {
                if (!this._colorShader) {
                    this._colorShader = new jl("colorShader",this.scene,"boundingBoxRenderer",{
                        attributes: [Bi.PositionKind],
                        uniforms: ["world", "viewProjection", "color"],
                        uniformBuffers: ["BoundingBoxRenderer"]
                    },!1),
                    this._colorShader.reservedDataStore = {
                        hidden: !0
                    },
                    this._colorShaderForOcclusionQuery = new jl("colorShaderOccQuery",this.scene,"boundingBoxRenderer",{
                        attributes: [Bi.PositionKind],
                        uniforms: ["world", "viewProjection", "color"],
                        uniformBuffers: ["BoundingBoxRenderer"]
                    },!0),
                    this._colorShaderForOcclusionQuery.reservedDataStore = {
                        hidden: !0
                    };
                    var e = this.scene.getEngine()
                      , t = Pl({
                        size: 1
                    });
                    this._vertexBuffers[Bi.PositionKind] = new Bi(e,t.positions,Bi.PositionKind,!1),
                    this._createIndexBuffer(),
                    this._fillIndexData = t.indices,
                    this.onResourcesReadyObservable.notifyObservers(this)
                }
            }
            ,
            e.prototype._createIndexBuffer = function() {
                var e = this.scene.getEngine();
                this._indexBuffer = e.createIndexBuffer([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 7, 1, 6, 2, 5, 3, 4])
            }
            ,
            e.prototype.rebuild = function() {
                var e = this._vertexBuffers[Bi.PositionKind];
                e && e._rebuild(),
                this._createIndexBuffer()
            }
            ,
            e.prototype.reset = function() {
                this.renderList.reset()
            }
            ,
            e.prototype.render = function(e) {
                var t, i;
                if (0 !== this.renderList.length && this.enabled && (this._prepareResources(),
                this._colorShader.isReady())) {
                    var n = this.scene.getEngine();
                    n.setDepthWrite(!1);
                    for (var r = this.frontColor.toColor4(), o = this.backColor.toColor4(), a = this.scene.getTransformMatrix(), s = 0; s < this.renderList.length; s++) {
                        var l = this.renderList.data[s];
                        if (l._tag === e) {
                            this._createWrappersForBoundingBox(l),
                            this.onBeforeBoxRenderingObservable.notifyObservers(l);
                            var c = l.minimum
                              , u = l.maximum.subtract(c)
                              , h = c.add(u.scale(.5))
                              , d = P.Scaling(u.x, u.y, u.z).multiply(P.Translation(h.x, h.y, h.z)).multiply(l.getWorldMatrix())
                              , p = n.useReverseDepthBuffer;
                            if (this.showBackLines) {
                                var f = null !== (t = l._drawWrapperBack) && void 0 !== t ? t : this._colorShader._getDrawWrapper();
                                this._colorShader._preBind(f),
                                n.bindBuffers(this._vertexBuffers, this._indexBuffer, this._colorShader.getEffect()),
                                p ? n.setDepthFunctionToLessOrEqual() : n.setDepthFunctionToGreaterOrEqual(),
                                this._uniformBufferBack.bindToEffect(f.effect, "BoundingBoxRenderer"),
                                this._uniformBufferBack.updateDirectColor4("color", o),
                                this._uniformBufferBack.updateMatrix("world", d),
                                this._uniformBufferBack.updateMatrix("viewProjection", a),
                                this._uniformBufferBack.update(),
                                n.drawElementsType(Or.LineListDrawMode, 0, 24)
                            }
                            var _ = null !== (i = l._drawWrapperFront) && void 0 !== i ? i : this._colorShader._getDrawWrapper();
                            this._colorShader._preBind(_),
                            n.bindBuffers(this._vertexBuffers, this._indexBuffer, this._colorShader.getEffect()),
                            p ? n.setDepthFunctionToGreater() : n.setDepthFunctionToLess(),
                            this._uniformBufferFront.bindToEffect(_.effect, "BoundingBoxRenderer"),
                            this._uniformBufferFront.updateDirectColor4("color", r),
                            this._uniformBufferFront.updateMatrix("world", d),
                            this._uniformBufferFront.updateMatrix("viewProjection", a),
                            this._uniformBufferFront.update(),
                            n.drawElementsType(Or.LineListDrawMode, 0, 24),
                            this.onAfterBoxRenderingObservable.notifyObservers(l)
                        }
                    }
                    this._colorShader.unbind(),
                    n.setDepthFunctionToLessOrEqual(),
                    n.setDepthWrite(!0)
                }
            }
            ,
            e.prototype._createWrappersForBoundingBox = function(e) {
                if (!e._drawWrapperFront) {
                    var t = this.scene.getEngine();
                    e._drawWrapperFront = new Gt(t),
                    e._drawWrapperBack = new Gt(t),
                    e._drawWrapperFront.setEffect(this._colorShader.getEffect()),
                    e._drawWrapperBack.setEffect(this._colorShader.getEffect())
                }
            }
            ,
            e.prototype.renderOcclusionBoundingBox = function(e) {
                var t = this.scene.getEngine();
                void 0 === this._renderPassIdForOcclusionQuery && (this._renderPassIdForOcclusionQuery = t.createRenderPassId("Render pass for occlusion query"));
                var i = t.currentRenderPassId;
                t.currentRenderPassId = this._renderPassIdForOcclusionQuery,
                this._prepareResources();
                var n = e.subMeshes[0];
                if (this._colorShaderForOcclusionQuery.isReady(e, void 0, n) && e.hasBoundingInfo) {
                    this._fillIndexBuffer || (this._fillIndexBuffer = t.createIndexBuffer(this._fillIndexData));
                    var r = t.useReverseDepthBuffer;
                    t.setDepthWrite(!1),
                    t.setColorWrite(!1);
                    var o = e.getBoundingInfo().boundingBox
                      , a = o.minimum
                      , s = o.maximum.subtract(a)
                      , l = a.add(s.scale(.5))
                      , c = P.Scaling(s.x, s.y, s.z).multiply(P.Translation(l.x, l.y, l.z)).multiply(o.getWorldMatrix())
                      , u = n._drawWrapper;
                    this._colorShaderForOcclusionQuery._preBind(u),
                    t.bindBuffers(this._vertexBuffers, this._fillIndexBuffer, u.effect),
                    r ? t.setDepthFunctionToGreater() : t.setDepthFunctionToLess(),
                    this.scene.resetCachedMaterial(),
                    this._uniformBufferFront.bindToEffect(u.effect, "BoundingBoxRenderer"),
                    this._uniformBufferFront.updateMatrix("world", c),
                    this._uniformBufferFront.updateMatrix("viewProjection", this.scene.getTransformMatrix()),
                    this._uniformBufferFront.update(),
                    t.drawElementsType(Or.TriangleFillMode, 0, 36),
                    this._colorShaderForOcclusionQuery.unbind(),
                    t.setDepthFunctionToLessOrEqual(),
                    t.setDepthWrite(!0),
                    t.setColorWrite(!0),
                    t.currentRenderPassId = i
                } else
                    t.currentRenderPassId = i
            }
            ,
            e.prototype.dispose = function() {
                if (void 0 !== this._renderPassIdForOcclusionQuery && (this.scene.getEngine().releaseRenderPassId(this._renderPassIdForOcclusionQuery),
                this._renderPassIdForOcclusionQuery = void 0),
                this._colorShader) {
                    this.onBeforeBoxRenderingObservable.clear(),
                    this.onAfterBoxRenderingObservable.clear(),
                    this.onResourcesReadyObservable.clear(),
                    this.renderList.dispose(),
                    this._colorShader.dispose(),
                    this._colorShaderForOcclusionQuery.dispose(),
                    this._uniformBufferFront.dispose(),
                    this._uniformBufferBack.dispose();
                    var e = this._vertexBuffers[Bi.PositionKind];
                    e && (e.dispose(),
                    this._vertexBuffers[Bi.PositionKind] = null),
                    this.scene.getEngine()._releaseBuffer(this._indexBuffer),
                    this._fillIndexBuffer && (this.scene.getEngine()._releaseBuffer(this._fillIndexBuffer),
                    this._fillIndexBuffer = null)
                }
            }
            ,
            e
        }();
        mn.prototype.enableDepthRenderer = function(e, t, i) {
            if (void 0 === t && (t = !1),
            void 0 === i && (i = !1),
            !(e = e || this.activeCamera))
                throw "No camera available to enable depth renderer";
            if (this._depthRenderer || (this._depthRenderer = {}),
            !this._depthRenderer[e.id]) {
                var n, r = !!this.getEngine().getCaps().textureFloatRender;
                n = !this.getEngine().getCaps().textureHalfFloatRender || i && r ? r ? a.TEXTURETYPE_FLOAT : a.TEXTURETYPE_UNSIGNED_BYTE : a.TEXTURETYPE_HALF_FLOAT,
                this._depthRenderer[e.id] = new o_(this,n,e,t)
            }
            return this._depthRenderer[e.id]
        }
        ,
        mn.prototype.disableDepthRenderer = function(e) {
            (e = e || this.activeCamera) && this._depthRenderer && this._depthRenderer[e.id] && this._depthRenderer[e.id].dispose()
        }
        ;
        var xb = function() {
            function e(e) {
                this.name = Wi.NAME_DEPTHRENDERER,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._gatherRenderTargetsStage.registerStep(Wi.STEP_GATHERRENDERTARGETS_DEPTHRENDERER, this, this._gatherRenderTargets),
                this.scene._gatherActiveCameraRenderTargetsStage.registerStep(Wi.STEP_GATHERACTIVECAMERARENDERTARGETS_DEPTHRENDERER, this, this._gatherActiveCameraRenderTargets)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                for (var e in this.scene._depthRenderer)
                    this.scene._depthRenderer[e].dispose()
            }
            ,
            e.prototype._gatherRenderTargets = function(e) {
                if (this.scene._depthRenderer)
                    for (var t in this.scene._depthRenderer) {
                        var i = this.scene._depthRenderer[t];
                        i.enabled && !i.useOnlyInActiveCamera && e.push(i.getDepthMap())
                    }
            }
            ,
            e.prototype._gatherActiveCameraRenderTargets = function(e) {
                if (this.scene._depthRenderer)
                    for (var t in this.scene._depthRenderer) {
                        var i = this.scene._depthRenderer[t];
                        i.enabled && i.useOnlyInActiveCamera && this.scene.activeCamera.id === t && e.push(i.getDepthMap())
                    }
            }
            ,
            e
        }();
        o_._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_DEPTHRENDERER);
            t || (t = new xb(e),
            e._addComponent(t))
        }
        ;
        Pt.ShadersStore.oitFinalPixelShader = "precision highp float;\nuniform sampler2D uFrontColor;\nuniform sampler2D uBackColor;\nvoid main() {\nivec2 fragCoord=ivec2(gl_FragCoord.xy);\nvec4 frontColor=texelFetch(uFrontColor,fragCoord,0);\nvec4 backColor=texelFetch(uBackColor,fragCoord,0);\nfloat alphaMultiplier=1.0-frontColor.a;\nglFragColor=vec4(\nfrontColor.rgb+alphaMultiplier*backColor.rgb,\nfrontColor.a+backColor.a\n);\n}";
        Pt.ShadersStore.oitBackBlendPixelShader = "precision highp float;\nuniform sampler2D uBackColor;\nvoid main() {\nglFragColor=texelFetch(uBackColor,ivec2(gl_FragCoord.xy),0);\nif (glFragColor.a==0.0) { \ndiscard;\n}\n}";
        var Rb = function() {
            this.enabled = !0,
            this.name = "depthPeeling",
            this.texturesRequired = [a.PREPASS_COLOR_TEXTURE_TYPE]
        }
          , Cb = function() {
            function e(t, i) {
                if (void 0 === i && (i = 5),
                this._thinTextures = [],
                this._currentPingPongState = 0,
                this._layoutCacheFormat = [[!0], [!0, !0], [!0, !0, !0]],
                this._layoutCache = [],
                this._candidateSubMeshes = new bi(10),
                this._excludedSubMeshes = new bi(10),
                this._colorCache = [new N(e._DEPTH_CLEAR_VALUE,e._DEPTH_CLEAR_VALUE,0,0), new N(-e._MIN_DEPTH,e._MAX_DEPTH,0,0), new N(0,0,0,0)],
                this._scene = t,
                this._engine = t.getEngine(),
                this._passCount = i,
                t.enablePrePassRenderer()) {
                    for (var n = 0; n < this._layoutCacheFormat.length; ++n)
                        this._layoutCache[n] = this._engine.buildTextureLayout(this._layoutCacheFormat[n]);
                    this._renderPassIds = [],
                    this.useRenderPasses = !1,
                    this._prePassEffectConfiguration = new Rb,
                    this._createTextures(),
                    this._createEffects()
                } else
                    K.Warn("Depth peeling for order independant transparency could not enable PrePass, aborting.")
            }
            return Object.defineProperty(e.prototype, "passCount", {
                get: function() {
                    return this._passCount
                },
                set: function(e) {
                    this._passCount !== e && (this._passCount = e,
                    this._createRenderPassIds())
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "useRenderPasses", {
                get: function() {
                    return this._useRenderPasses
                },
                set: function(e) {
                    this._useRenderPasses !== e && (this._useRenderPasses = e,
                    this._createRenderPassIds())
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createRenderPassIds = function() {
                if (this._releaseRenderPassIds(),
                this._useRenderPasses)
                    for (var e = 0; e < this._passCount + 1; ++e)
                        this._renderPassIds[e] || (this._renderPassIds[e] = this._engine.createRenderPassId("DepthPeelingRenderer - pass #".concat(e)))
            }
            ,
            e.prototype._releaseRenderPassIds = function() {
                for (var e = 0; e < this._renderPassIds.length; ++e)
                    this._engine.releaseRenderPassId(this._renderPassIds[e]);
                this._renderPassIds = []
            }
            ,
            e.prototype._createTextures = function() {
                var e = {
                    width: this._engine.getRenderWidth(),
                    height: this._engine.getRenderHeight()
                };
                this._depthMrts = [new pm("depthPeelingDepth0",e,1,this._scene), new pm("depthPeelingDepth1",e,1,this._scene)],
                this._colorMrts = [new pm("depthPeelingColor0",e,1,this._scene,{
                    generateDepthBuffer: !1
                }), new pm("depthPeelingColor1",e,1,this._scene,{
                    generateDepthBuffer: !1
                })],
                this._blendBackMrt = new pm("depthPeelingBack",e,1,this._scene,{
                    generateDepthBuffer: !1
                });
                for (var t = [{
                    format: a.TEXTUREFORMAT_RG,
                    samplingMode: a.TEXTURE_NEAREST_SAMPLINGMODE,
                    type: this._engine.getCaps().textureFloatLinearFiltering ? a.TEXTURETYPE_FLOAT : a.TEXTURETYPE_HALF_FLOAT
                }, {
                    format: a.TEXTUREFORMAT_RGBA,
                    samplingMode: a.TEXTURE_NEAREST_SAMPLINGMODE,
                    type: a.TEXTURETYPE_HALF_FLOAT
                }], i = 0; i < 2; i++) {
                    var n = this._engine._createInternalTexture(e, t[0], !1)
                      , r = this._engine._createInternalTexture(e, t[1], !1)
                      , o = this._engine._createInternalTexture(e, t[1], !1);
                    this._depthMrts[i].setInternalTexture(n, 0),
                    this._depthMrts[i].setInternalTexture(r, 1),
                    this._depthMrts[i].setInternalTexture(o, 2),
                    this._colorMrts[i].setInternalTexture(r, 0),
                    this._colorMrts[i].setInternalTexture(o, 1),
                    this._thinTextures.push(new qr(n), new qr(r), new qr(o))
                }
            }
            ,
            e.prototype._disposeTextures = function() {
                for (var e = 0; e < this._thinTextures.length; e++)
                    6 !== e && this._thinTextures[e].dispose();
                for (e = 0; e < 2; e++)
                    this._depthMrts[e].dispose(!0),
                    this._colorMrts[e].dispose(!0),
                    this._blendBackMrt.dispose(!0);
                this._thinTextures = [],
                this._colorMrts = [],
                this._depthMrts = []
            }
            ,
            e.prototype._updateTextures = function() {
                return this._depthMrts[0].getSize().width === this._engine.getRenderWidth() && this._depthMrts[0].getSize().height === this._engine.getRenderHeight() || (this._disposeTextures(),
                this._createTextures()),
                this._updateTextureReferences()
            }
            ,
            e.prototype._updateTextureReferences = function() {
                var e, t = this._scene.prePassRenderer;
                if (!t)
                    return !1;
                var i = t.getIndex(a.PREPASS_COLOR_TEXTURE_TYPE)
                  , n = (null === (e = t.defaultRT.textures) || void 0 === e ? void 0 : e.length) ? t.defaultRT.textures[i].getInternalTexture() : null;
                return !!n && (this._blendBackTexture !== n && (this._blendBackTexture = n,
                this._blendBackMrt.setInternalTexture(this._blendBackTexture, 0),
                this._thinTextures[6] && this._thinTextures[6].dispose(),
                this._thinTextures[6] = new qr(this._blendBackTexture),
                t.defaultRT.renderTarget._shareDepth(this._depthMrts[0].renderTarget)),
                !0)
            }
            ,
            e.prototype._createEffects = function() {
                this._blendBackEffectWrapper = new b_({
                    fragmentShader: "oitBackBlend",
                    useShaderStore: !0,
                    engine: this._engine,
                    samplerNames: ["uBackColor"],
                    uniformNames: []
                }),
                this._blendBackEffectWrapperPingPong = new b_({
                    fragmentShader: "oitBackBlend",
                    useShaderStore: !0,
                    engine: this._engine,
                    samplerNames: ["uBackColor"],
                    uniformNames: []
                }),
                this._finalEffectWrapper = new b_({
                    fragmentShader: "oitFinal",
                    useShaderStore: !0,
                    engine: this._engine,
                    samplerNames: ["uFrontColor", "uBackColor"],
                    uniformNames: []
                }),
                this._effectRenderer = new y_(this._engine)
            }
            ,
            e.prototype.setPrePassRenderer = function(e) {
                e.addEffectConfiguration(this._prePassEffectConfiguration)
            }
            ,
            e.prototype.bind = function(e) {
                e.setTexture("oitDepthSampler", this._thinTextures[3 * this._currentPingPongState]),
                e.setTexture("oitFrontColorSampler", this._thinTextures[3 * this._currentPingPongState + 1])
            }
            ,
            e.prototype._renderSubMeshes = function(e) {
                var t;
                this._useRenderPasses && (t = {});
                for (var i = 0; i < e.length; i++) {
                    var n = e.data[i].getMaterial()
                      , r = !0
                      , o = !1
                      , a = e.data[i]
                      , s = void 0
                      , l = !1;
                    if (this._useRenderPasses && (l = !(s = a._getDrawWrapper())),
                    n && (r = n.allowShaderHotSwapping,
                    o = n.backFaceCulling,
                    n.allowShaderHotSwapping = !1,
                    n.backFaceCulling = !1),
                    a.render(!1),
                    l && (s = a._getDrawWrapper()).materialContext) {
                        var c = t[s.materialContext.uniqueId];
                        c || (c = t[s.materialContext.uniqueId] = this._engine.createMaterialContext()),
                        a._getDrawWrapper().materialContext = c
                    }
                    n && (n.allowShaderHotSwapping = r,
                    n.backFaceCulling = o)
                }
            }
            ,
            e.prototype._finalCompose = function(e) {
                this._engine.restoreDefaultFramebuffer(),
                this._engine.setAlphaMode(a.ALPHA_DISABLE),
                this._engine.applyStates(),
                this._engine.enableEffect(this._finalEffectWrapper._drawWrapper),
                this._finalEffectWrapper.effect.setTexture("uFrontColor", this._thinTextures[3 * e + 1]),
                this._finalEffectWrapper.effect.setTexture("uBackColor", this._thinTextures[6]),
                this._effectRenderer.render(this._finalEffectWrapper)
            }
            ,
            e.prototype.render = function(e) {
                if (this._candidateSubMeshes.length = 0,
                this._excludedSubMeshes.length = 0,
                !(this._blendBackEffectWrapper.effect.isReady() && this._blendBackEffectWrapperPingPong.effect.isReady() && this._finalEffectWrapper.effect.isReady() && this._updateTextures()))
                    return this._excludedSubMeshes;
                for (var t = 0; t < e.length; t++) {
                    var i = e.data[t].getMaterial();
                    !i || i.fillMode !== Or.TriangleFanDrawMode && i.fillMode !== Or.TriangleFillMode && i.fillMode !== Or.TriangleStripDrawMode ? this._excludedSubMeshes.push(e.data[t]) : this._candidateSubMeshes.push(e.data[t])
                }
                if (!this._candidateSubMeshes.length)
                    return this._finalCompose(1),
                    this._excludedSubMeshes;
                var n = this._engine.currentRenderPassId;
                this._scene.prePassRenderer._enabled = !1,
                this._useRenderPasses && (this._engine.currentRenderPassId = this._renderPassIds[0]),
                this._engine.bindFramebuffer(this._depthMrts[0].renderTarget),
                this._engine.bindAttachments(this._layoutCache[0]),
                this._engine.clear(this._colorCache[0], !0, !1, !1),
                this._engine.bindFramebuffer(this._depthMrts[1].renderTarget),
                this._engine.bindAttachments(this._layoutCache[0]),
                this._engine.clear(this._colorCache[1], !0, !1, !1),
                this._engine.bindFramebuffer(this._colorMrts[0].renderTarget),
                this._engine.bindAttachments(this._layoutCache[1]),
                this._engine.clear(this._colorCache[2], !0, !1, !1),
                this._engine.bindFramebuffer(this._colorMrts[1].renderTarget),
                this._engine.bindAttachments(this._layoutCache[1]),
                this._engine.clear(this._colorCache[2], !0, !1, !1),
                this._engine.bindFramebuffer(this._depthMrts[0].renderTarget),
                this._engine.bindAttachments(this._layoutCache[0]),
                this._engine.setAlphaMode(a.ALPHA_ONEONE_ONEONE),
                this._engine.setAlphaEquation(a.ALPHA_EQUATION_MAX),
                this._engine.depthCullingState.depthMask = !1,
                this._engine.depthCullingState.depthTest = !0,
                this._engine.applyStates(),
                this._currentPingPongState = 1,
                this._renderSubMeshes(this._candidateSubMeshes),
                this._scene.resetCachedMaterial();
                var r = 0
                  , o = 0;
                for (t = 0; t < this._passCount; t++) {
                    o = 1 - (r = t % 2),
                    this._currentPingPongState = r,
                    this._useRenderPasses && (this._engine.currentRenderPassId = this._renderPassIds[t + 1]),
                    this._engine.bindFramebuffer(this._depthMrts[o].renderTarget),
                    this._engine.bindAttachments(this._layoutCache[0]),
                    this._engine.clear(this._colorCache[0], !0, !1, !1),
                    this._engine.bindFramebuffer(this._colorMrts[o].renderTarget),
                    this._engine.bindAttachments(this._layoutCache[1]),
                    this._engine.clear(this._colorCache[2], !0, !1, !1),
                    this._engine.bindFramebuffer(this._depthMrts[o].renderTarget),
                    this._engine.bindAttachments(this._layoutCache[2]),
                    this._engine.setAlphaMode(a.ALPHA_ONEONE_ONEONE),
                    this._engine.setAlphaEquation(a.ALPHA_EQUATION_MAX),
                    this._engine.depthCullingState.depthTest = !1,
                    this._engine.applyStates(),
                    this._renderSubMeshes(this._candidateSubMeshes),
                    this._scene.resetCachedMaterial(),
                    this._engine.bindFramebuffer(this._blendBackMrt.renderTarget),
                    this._engine.bindAttachments(this._layoutCache[0]),
                    this._engine.setAlphaEquation(a.ALPHA_EQUATION_ADD),
                    this._engine.setAlphaMode(a.ALPHA_LAYER_ACCUMULATE),
                    this._engine.applyStates();
                    var s = 0 !== o && this._useRenderPasses ? this._blendBackEffectWrapperPingPong : this._blendBackEffectWrapper;
                    this._engine.enableEffect(s._drawWrapper),
                    s.effect.setTexture("uBackColor", this._thinTextures[3 * o + 2]),
                    this._effectRenderer.render(s)
                }
                return this._engine.currentRenderPassId = n,
                this._finalCompose(o),
                this._scene.prePassRenderer._enabled = !0,
                this._engine.depthCullingState.depthMask = !0,
                this._engine.depthCullingState.depthTest = !0,
                this._excludedSubMeshes
            }
            ,
            e.prototype.dispose = function() {
                this._disposeTextures(),
                this._blendBackEffectWrapper.dispose(),
                this._finalEffectWrapper.dispose(),
                this._effectRenderer.dispose(),
                this._releaseRenderPassIds()
            }
            ,
            e._DEPTH_CLEAR_VALUE = -99999,
            e._MIN_DEPTH = 0,
            e._MAX_DEPTH = 1,
            e
        }();
        Object.defineProperty(mn.prototype, "depthPeelingRenderer", {
            get: function() {
                if (!this._depthPeelingRenderer) {
                    var e = this._getComponent(Wi.NAME_DEPTHPEELINGRENDERER);
                    e || (e = new Pb(this),
                    this._addComponent(e))
                }
                return this._depthPeelingRenderer
            },
            set: function(e) {
                this._depthPeelingRenderer = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(mn.prototype, "useOrderIndependentTransparency", {
            get: function() {
                return this._useOrderIndependentTransparency
            },
            set: function(e) {
                var t;
                this._useOrderIndependentTransparency !== e && (this._useOrderIndependentTransparency = e,
                this.markAllMaterialsAsDirty(a.MATERIAL_AllDirtyFlag),
                null === (t = this.prePassRenderer) || void 0 === t || t.markAsDirty())
            },
            enumerable: !0,
            configurable: !0
        });
        var Pb = function() {
            function e(e) {
                this.name = Wi.NAME_DEPTHPEELINGRENDERER,
                this.scene = e,
                e.depthPeelingRenderer = new Cb(e)
            }
            return e.prototype.register = function() {}
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                var e;
                null === (e = this.scene.depthPeelingRenderer) || void 0 === e || e.dispose(),
                this.scene.depthPeelingRenderer = null
            }
            ,
            e
        }();
        Pt.ShadersStore.linePixelShader = "#include<clipPlaneFragmentDeclaration>\nuniform vec4 color;\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\ngl_FragColor=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.lineVertexShader = "#include<instancesDeclaration>\n#include<clipPlaneVertexDeclaration>\nattribute vec3 position;\nattribute vec4 normal;\nuniform mat4 viewProjection;\nuniform float width;\nuniform float aspectRatio;\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\n#include<instancesVertex>\nmat4 worldViewProjection=viewProjection*finalWorld;\nvec4 viewPosition=worldViewProjection*vec4(position,1.0);\nvec4 viewPositionNext=worldViewProjection*vec4(normal.xyz,1.0);\nvec2 currentScreen=viewPosition.xy/viewPosition.w;\nvec2 nextScreen=viewPositionNext.xy/viewPositionNext.w;\ncurrentScreen.x*=aspectRatio;\nnextScreen.x*=aspectRatio;\nvec2 dir=normalize(nextScreen-currentScreen);\nvec2 normalDir=vec2(-dir.y,dir.x);\nnormalDir*=width/2.0;\nnormalDir.x/=aspectRatio;\nvec4 offset=vec4(normalDir*normal.w,0.0,0.0);\ngl_Position=viewPosition+offset;\n#if defined(CLIPPLANE) || defined(CLIPPLANE2) || defined(CLIPPLANE3) || defined(CLIPPLANE4) || defined(CLIPPLANE5) || defined(CLIPPLANE6)\nvec4 worldPos=finalWorld*vec4(position,1.0);\n#include<clipPlaneVertex>\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}",
        Sr.prototype.disableEdgesRendering = function() {
            return this._edgesRenderer && (this._edgesRenderer.dispose(),
            this._edgesRenderer = null),
            this
        }
        ,
        Sr.prototype.enableEdgesRendering = function(e, t, i) {
            return void 0 === e && (e = .95),
            void 0 === t && (t = !1),
            this.disableEdgesRendering(),
            this._edgesRenderer = new Ib(this,e,t,!0,i),
            this
        }
        ,
        Object.defineProperty(Sr.prototype, "edgesRenderer", {
            get: function() {
                return this._edgesRenderer
            },
            enumerable: !0,
            configurable: !0
        }),
        Yl.prototype.enableEdgesRendering = function(e, t) {
            return void 0 === e && (e = .95),
            void 0 === t && (t = !1),
            this.disableEdgesRendering(),
            this._edgesRenderer = new Ob(this,e,t),
            this
        }
        ,
        Kl.prototype.enableEdgesRendering = function(e, t) {
            return void 0 === e && (e = .95),
            void 0 === t && (t = !1),
            Yl.prototype.enableEdgesRendering.apply(this, arguments),
            this
        }
        ;
        var Mb = function() {
            this.edges = new Array,
            this.edgesConnectedCount = 0
        }
          , Ib = function() {
            function e(e, t, i, n, r) {
                void 0 === t && (t = .95),
                void 0 === i && (i = !1),
                void 0 === n && (n = !0);
                var o, a = this;
                this.edgesWidthScalerForOrthographic = 1e3,
                this.edgesWidthScalerForPerspective = 50,
                this._linesPositions = new Array,
                this._linesNormals = new Array,
                this._linesIndices = new Array,
                this._buffers = {},
                this._buffersForInstances = {},
                this._checkVerticesInsteadOfIndices = !1,
                this.isEnabled = !0,
                this.customInstances = new bi(32),
                this._source = e,
                this._checkVerticesInsteadOfIndices = i,
                this._options = null != r ? r : null,
                this._epsilon = t,
                this._source.getScene().getEngine().isWebGPU && (this._drawWrapper = new Gt(e.getEngine())),
                this._prepareRessources(),
                n && (null === (o = null == r ? void 0 : r.useAlternateEdgeFinder) || void 0 === o || o ? this._generateEdgesLinesAlternate() : this._generateEdgesLines()),
                this._meshRebuildObserver = this._source.onRebuildObservable.add((function() {
                    a._rebuild()
                }
                )),
                this._meshDisposeObserver = this._source.onDisposeObservable.add((function() {
                    a.dispose()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "linesPositions", {
                get: function() {
                    return this._linesPositions
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "linesNormals", {
                get: function() {
                    return this._linesNormals
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "linesIndices", {
                get: function() {
                    return this._linesIndices
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "lineShader", {
                get: function() {
                    return this._lineShader
                },
                set: function(e) {
                    this._lineShader = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e._GetShader = function(e) {
                if (!e._edgeRenderLineShader) {
                    var t = new jl("lineShader",e,"line",{
                        attributes: ["position", "normal"],
                        uniforms: ["world", "viewProjection", "color", "width", "aspectRatio"]
                    },!1);
                    t.disableDepthWrite = !0,
                    t.backFaceCulling = !1,
                    t.checkReadyOnEveryCall = e.getEngine().isWebGPU,
                    e._edgeRenderLineShader = t
                }
                return e._edgeRenderLineShader
            }
            ,
            e.prototype._prepareRessources = function() {
                this._lineShader || (this._lineShader = e._GetShader(this._source.getScene()))
            }
            ,
            e.prototype._rebuild = function() {
                var e = this._buffers[Bi.PositionKind];
                e && e._rebuild(),
                (e = this._buffers[Bi.NormalKind]) && e._rebuild();
                var t = this._source.getScene().getEngine();
                this._ib = t.createIndexBuffer(this._linesIndices)
            }
            ,
            e.prototype.dispose = function() {
                var e;
                this._source.onRebuildObservable.remove(this._meshRebuildObserver),
                this._source.onDisposeObservable.remove(this._meshDisposeObserver);
                var t = this._buffers[Bi.PositionKind];
                t && (t.dispose(),
                this._buffers[Bi.PositionKind] = null),
                (t = this._buffers[Bi.NormalKind]) && (t.dispose(),
                this._buffers[Bi.NormalKind] = null),
                this._ib && this._source.getScene().getEngine()._releaseBuffer(this._ib),
                this._lineShader.dispose(),
                null === (e = this._drawWrapper) || void 0 === e || e.dispose()
            }
            ,
            e.prototype._processEdgeForAdjacencies = function(e, t, i, n, r) {
                return e === i && t === n || e === n && t === i ? 0 : e === n && t === r || e === r && t === n ? 1 : e === r && t === i || e === i && t === r ? 2 : -1
            }
            ,
            e.prototype._processEdgeForAdjacenciesWithVertices = function(e, t, i, n, r) {
                var o = 1e-10;
                return e.equalsWithEpsilon(i, o) && t.equalsWithEpsilon(n, o) || e.equalsWithEpsilon(n, o) && t.equalsWithEpsilon(i, o) ? 0 : e.equalsWithEpsilon(n, o) && t.equalsWithEpsilon(r, o) || e.equalsWithEpsilon(r, o) && t.equalsWithEpsilon(n, o) ? 1 : e.equalsWithEpsilon(r, o) && t.equalsWithEpsilon(i, o) || e.equalsWithEpsilon(i, o) && t.equalsWithEpsilon(r, o) ? 2 : -1
            }
            ,
            e.prototype._checkEdge = function(e, t, i, n, r) {
                (void 0 === t || x.Dot(i[e], i[t]) < this._epsilon) && this.createLine(n, r, this._linesPositions.length / 3)
            }
            ,
            e.prototype.createLine = function(e, t, i) {
                this._linesPositions.push(e.x, e.y, e.z, e.x, e.y, e.z, t.x, t.y, t.z, t.x, t.y, t.z),
                this._linesNormals.push(t.x, t.y, t.z, -1, t.x, t.y, t.z, 1, e.x, e.y, e.z, -1, e.x, e.y, e.z, 1),
                this._linesIndices.push(i, i + 1, i + 2, i, i + 2, i + 3)
            }
            ,
            e.prototype._tessellateTriangle = function(e, t, i, n) {
                var r = function(e, t, i) {
                    i >= 0 && t.push(i);
                    for (var n = 0; n < e.length; ++n)
                        t.push(e[n][0])
                }
                  , o = 0;
                e[1].length >= e[0].length && e[1].length >= e[2].length ? o = 1 : e[2].length >= e[0].length && e[2].length >= e[1].length && (o = 2);
                for (var a = 0; a < 3; ++a)
                    a === o ? e[a].sort((function(e, t) {
                        return e[1] < t[1] ? -1 : e[1] > t[1] ? 1 : 0
                    }
                    )) : e[a].sort((function(e, t) {
                        return e[1] > t[1] ? -1 : e[1] < t[1] ? 1 : 0
                    }
                    ));
                var s = []
                  , l = [];
                r(e[o], s, -1);
                for (var c = s.length, u = o + 2; u >= o + 1; --u)
                    r(e[u % 3], l, u !== o + 2 ? n[i[t + (u + 1) % 3]] : -1);
                var h = l.length;
                i.push(n[i[t + o]], s[0], l[0]),
                i.push(n[i[t + (o + 1) % 3]], l[h - 1], s[c - 1]);
                for (var d = c <= h, p = d ? c : h, f = d ? h : c, _ = d ? c - 1 : h - 1, m = d ? 0 : 1, g = c + h - 2, v = 0, y = 0, b = d ? s : l, T = d ? l : s, E = 0; g-- > 0; ) {
                    m ? i.push(b[v], T[y]) : i.push(T[y], b[v]);
                    var S = void 0;
                    (E += p) >= f && v < _ ? (S = b[++v],
                    E -= f) : S = T[++y],
                    i.push(S)
                }
                i[t + 0] = i[i.length - 3],
                i[t + 1] = i[i.length - 2],
                i[t + 2] = i[i.length - 1],
                i.length = i.length - 3
            }
            ,
            e.prototype._generateEdgesLinesAlternate = function() {
                var e, t, i, n, r, o, a, s, l, c, u = this._source.getVerticesData(Bi.PositionKind), h = this._source.getIndices();
                if (h && u) {
                    Array.isArray(h) || (h = gi.SliceToArray(h));
                    var d = null === (t = null === (e = this._options) || void 0 === e ? void 0 : e.useFastVertexMerger) || void 0 === t || t
                      , p = d ? Math.round(-Math.log(null !== (n = null === (i = this._options) || void 0 === i ? void 0 : i.epsilonVertexMerge) && void 0 !== n ? n : 1e-6) / Math.log(10)) : null !== (o = null === (r = this._options) || void 0 === r ? void 0 : r.epsilonVertexMerge) && void 0 !== o ? o : 1e-6
                      , f = []
                      , _ = [];
                    if (d)
                        for (var m = {}, g = 0; g < u.length; g += 3) {
                            var v = u[g + 0]
                              , y = u[g + 1]
                              , b = u[g + 2];
                            if (void 0 !== m[ie = v.toFixed(p) + "|" + y.toFixed(p) + "|" + b.toFixed(p)])
                                f.push(m[ie]);
                            else {
                                var T = g / 3;
                                m[ie] = T,
                                f.push(T),
                                _.push(T)
                            }
                        }
                    else
                        for (g = 0; g < u.length; g += 3) {
                            v = u[g + 0],
                            y = u[g + 1],
                            b = u[g + 2];
                            for (var E = !1, S = 0; S < g && !E; S += 3) {
                                var A = u[S + 0]
                                  , R = u[S + 1]
                                  , C = u[S + 2];
                                if (Math.abs(v - A) < p && Math.abs(y - R) < p && Math.abs(b - C) < p) {
                                    f.push(S / 3),
                                    E = !0;
                                    break
                                }
                            }
                            E || (f.push(g / 3),
                            _.push(g / 3))
                        }
                    if (null === (a = this._options) || void 0 === a ? void 0 : a.applyTessellation) {
                        for (var P = null !== (l = null === (s = this._options) || void 0 === s ? void 0 : s.epsilonVertexAligned) && void 0 !== l ? l : 1e-6, M = [], O = 0; O < h.length; O += 3)
                            for (var D = void 0, N = 0; N < 3; ++N) {
                                var L = f[h[O + N]]
                                  , F = f[h[O + (N + 1) % 3]]
                                  , w = f[h[O + (N + 2) % 3]];
                                if (L !== F)
                                    for (var B = u[3 * L + 0], U = u[3 * L + 1], V = u[3 * L + 2], k = u[3 * F + 0], G = u[3 * F + 1], z = u[3 * F + 2], W = Math.sqrt((k - B) * (k - B) + (G - U) * (G - U) + (z - V) * (z - V)), H = 0; H < _.length - 1; H++) {
                                        var X = _[H];
                                        if (X !== L && X !== F && X !== w) {
                                            var j = u[3 * X + 0]
                                              , Y = u[3 * X + 1]
                                              , K = u[3 * X + 2]
                                              , Q = Math.sqrt((j - B) * (j - B) + (Y - U) * (Y - U) + (K - V) * (K - V))
                                              , q = Math.sqrt((j - k) * (j - k) + (Y - G) * (Y - G) + (K - z) * (K - z));
                                            Math.abs(Q + q - W) < P && (D || (D = {
                                                index: O,
                                                edgesPoints: [[], [], []]
                                            },
                                            M.push(D)),
                                            D.edgesPoints[N].push([X, Q]))
                                        }
                                    }
                            }
                        for (var Z = 0; Z < M.length; ++Z) {
                            var J = M[Z];
                            this._tessellateTriangle(J.edgesPoints, J.index, h, f)
                        }
                        M = null
                    }
                    var $ = {};
                    for (O = 0; O < h.length; O += 3) {
                        var ee = void 0;
                        for (N = 0; N < 3; ++N)
                            if (L = f[h[O + N]],
                            F = f[h[O + (N + 1) % 3]],
                            w = f[h[O + (N + 2) % 3]],
                            L !== F && (L !== w && F !== w || !(null === (c = this._options) || void 0 === c ? void 0 : c.removeDegeneratedTriangles))) {
                                if (I.Vector3[0].copyFromFloats(u[3 * L + 0], u[3 * L + 1], u[3 * L + 2]),
                                I.Vector3[1].copyFromFloats(u[3 * F + 0], u[3 * F + 1], u[3 * F + 2]),
                                I.Vector3[2].copyFromFloats(u[3 * w + 0], u[3 * w + 1], u[3 * w + 2]),
                                ee || (I.Vector3[1].subtractToRef(I.Vector3[0], I.Vector3[3]),
                                I.Vector3[2].subtractToRef(I.Vector3[1], I.Vector3[4]),
                                (ee = x.Cross(I.Vector3[3], I.Vector3[4])).normalize()),
                                L > F) {
                                    var te = L;
                                    L = F,
                                    F = te
                                }
                                (ne = $[ie = L + "_" + F]) ? ne.done || (x.Dot(ee, ne.normal) < this._epsilon && this.createLine(I.Vector3[0], I.Vector3[1], this._linesPositions.length / 3),
                                ne.done = !0) : $[ie] = {
                                    normal: ee,
                                    done: !1,
                                    index: O,
                                    i: N
                                }
                            }
                    }
                    for (var ie in $) {
                        var ne;
                        (ne = $[ie]).done || (L = f[h[ne.index + ne.i]],
                        F = f[h[ne.index + (ne.i + 1) % 3]],
                        I.Vector3[0].copyFromFloats(u[3 * L + 0], u[3 * L + 1], u[3 * L + 2]),
                        I.Vector3[1].copyFromFloats(u[3 * F + 0], u[3 * F + 1], u[3 * F + 2]),
                        this.createLine(I.Vector3[0], I.Vector3[1], this._linesPositions.length / 3))
                    }
                    var re = this._source.getScene().getEngine();
                    this._buffers[Bi.PositionKind] = new Bi(re,this._linesPositions,Bi.PositionKind,!1),
                    this._buffers[Bi.NormalKind] = new Bi(re,this._linesNormals,Bi.NormalKind,!1,!1,4),
                    this._buffersForInstances[Bi.PositionKind] = this._buffers[Bi.PositionKind],
                    this._buffersForInstances[Bi.NormalKind] = this._buffers[Bi.NormalKind],
                    this._ib = re.createIndexBuffer(this._linesIndices),
                    this._indicesCount = this._linesIndices.length
                }
            }
            ,
            e.prototype._generateEdgesLines = function() {
                var e = this._source.getVerticesData(Bi.PositionKind)
                  , t = this._source.getIndices();
                if (t && e) {
                    var i, n, r = new Array, o = new Array;
                    for (i = 0; i < t.length; i += 3) {
                        n = new Mb;
                        var a = t[i]
                          , s = t[i + 1]
                          , l = t[i + 2];
                        n.p0 = new x(e[3 * a],e[3 * a + 1],e[3 * a + 2]),
                        n.p1 = new x(e[3 * s],e[3 * s + 1],e[3 * s + 2]),
                        n.p2 = new x(e[3 * l],e[3 * l + 1],e[3 * l + 2]);
                        var c = x.Cross(n.p1.subtract(n.p0), n.p2.subtract(n.p1));
                        c.normalize(),
                        o.push(c),
                        r.push(n)
                    }
                    for (i = 0; i < r.length; i++) {
                        n = r[i];
                        for (var u = i + 1; u < r.length; u++) {
                            var h = r[u];
                            if (3 === n.edgesConnectedCount)
                                break;
                            if (3 !== h.edgesConnectedCount)
                                for (var d = t[3 * u], p = t[3 * u + 1], f = t[3 * u + 2], _ = 0; _ < 3; _++) {
                                    var m = 0;
                                    if (void 0 === n.edges[_]) {
                                        switch (_) {
                                        case 0:
                                            m = this._checkVerticesInsteadOfIndices ? this._processEdgeForAdjacenciesWithVertices(n.p0, n.p1, h.p0, h.p1, h.p2) : this._processEdgeForAdjacencies(t[3 * i], t[3 * i + 1], d, p, f);
                                            break;
                                        case 1:
                                            m = this._checkVerticesInsteadOfIndices ? this._processEdgeForAdjacenciesWithVertices(n.p1, n.p2, h.p0, h.p1, h.p2) : this._processEdgeForAdjacencies(t[3 * i + 1], t[3 * i + 2], d, p, f);
                                            break;
                                        case 2:
                                            m = this._checkVerticesInsteadOfIndices ? this._processEdgeForAdjacenciesWithVertices(n.p2, n.p0, h.p0, h.p1, h.p2) : this._processEdgeForAdjacencies(t[3 * i + 2], t[3 * i], d, p, f)
                                        }
                                        if (-1 !== m && (n.edges[_] = u,
                                        h.edges[m] = i,
                                        n.edgesConnectedCount++,
                                        h.edgesConnectedCount++,
                                        3 === n.edgesConnectedCount))
                                            break
                                    }
                                }
                        }
                    }
                    for (i = 0; i < r.length; i++) {
                        var g = r[i];
                        this._checkEdge(i, g.edges[0], o, g.p0, g.p1),
                        this._checkEdge(i, g.edges[1], o, g.p1, g.p2),
                        this._checkEdge(i, g.edges[2], o, g.p2, g.p0)
                    }
                    var v = this._source.getScene().getEngine();
                    this._buffers[Bi.PositionKind] = new Bi(v,this._linesPositions,Bi.PositionKind,!1),
                    this._buffers[Bi.NormalKind] = new Bi(v,this._linesNormals,Bi.NormalKind,!1,!1,4),
                    this._buffersForInstances[Bi.PositionKind] = this._buffers[Bi.PositionKind],
                    this._buffersForInstances[Bi.NormalKind] = this._buffers[Bi.NormalKind],
                    this._ib = v.createIndexBuffer(this._linesIndices),
                    this._indicesCount = this._linesIndices.length
                }
            }
            ,
            e.prototype.isReady = function() {
                return this._lineShader.isReady(this._source, this._source.hasInstances && this.customInstances.length > 0 || this._source.hasThinInstances)
            }
            ,
            e.prototype.render = function() {
                var e = this._source.getScene()
                  , t = this._lineShader._getDrawWrapper();
                if (this._drawWrapper && this._lineShader._setDrawWrapper(this._drawWrapper),
                this.isReady() && e.activeCamera) {
                    var i = this._source.hasInstances && this.customInstances.length > 0
                      , n = i || this._source.hasThinInstances
                      , r = 0;
                    if (n)
                        if (this._buffersForInstances.world0 = this._source.getVertexBuffer("world0"),
                        this._buffersForInstances.world1 = this._source.getVertexBuffer("world1"),
                        this._buffersForInstances.world2 = this._source.getVertexBuffer("world2"),
                        this._buffersForInstances.world3 = this._source.getVertexBuffer("world3"),
                        i) {
                            var o = this._source._instanceDataStorage;
                            if (r = this.customInstances.length,
                            !o.instancesData)
                                return void (this._source.getScene()._activeMeshesFrozen || this.customInstances.reset());
                            if (!o.isFrozen) {
                                for (var s = 0, l = 0; l < r; ++l)
                                    this.customInstances.data[l].copyToArray(o.instancesData, s),
                                    s += 16;
                                o.instancesBuffer.updateDirectly(o.instancesData, 0, r)
                            }
                        } else
                            r = this._source.thinInstanceCount;
                    var c = e.getEngine();
                    this._lineShader._preBind(),
                    1 !== this._source.edgesColor.a ? c.setAlphaMode(a.ALPHA_COMBINE) : c.setAlphaMode(a.ALPHA_DISABLE),
                    c.bindBuffers(n ? this._buffersForInstances : this._buffers, this._ib, this._lineShader.getEffect()),
                    e.resetCachedMaterial(),
                    this._lineShader.setColor4("color", this._source.edgesColor),
                    e.activeCamera.mode === Rr.ORTHOGRAPHIC_CAMERA ? this._lineShader.setFloat("width", this._source.edgesWidth / this.edgesWidthScalerForOrthographic) : this._lineShader.setFloat("width", this._source.edgesWidth / this.edgesWidthScalerForPerspective),
                    this._lineShader.setFloat("aspectRatio", c.getAspectRatio(e.activeCamera)),
                    this._lineShader.bind(this._source.getWorldMatrix()),
                    c.drawElementsType(Or.TriangleFillMode, 0, this._indicesCount, r),
                    this._lineShader.unbind(),
                    n && c.unbindInstanceAttributes(),
                    this._source.getScene()._activeMeshesFrozen || this.customInstances.reset(),
                    this._lineShader._setDrawWrapper(t)
                } else
                    this._lineShader._setDrawWrapper(t)
            }
            ,
            e
        }()
          , Ob = function(e) {
            function t(t, i, n) {
                void 0 === i && (i = .95),
                void 0 === n && (n = !1);
                var r = e.call(this, t, i, n, !1) || this;
                return r._generateEdgesLines(),
                r
            }
            return U(t, e),
            t.prototype._generateEdgesLines = function() {
                var e = this._source.getVerticesData(Bi.PositionKind)
                  , t = this._source.getIndices();
                if (t && e) {
                    for (var i = I.Vector3[0], n = I.Vector3[1], r = t.length - 1, o = 0, a = 0; o < r; o += 2,
                    a += 4)
                        x.FromArrayToRef(e, 3 * t[o], i),
                        x.FromArrayToRef(e, 3 * t[o + 1], n),
                        this.createLine(i, n, a);
                    var s = this._source.getScene().getEngine();
                    this._buffers[Bi.PositionKind] = new Bi(s,this._linesPositions,Bi.PositionKind,!1),
                    this._buffers[Bi.NormalKind] = new Bi(s,this._linesNormals,Bi.NormalKind,!1,!1,4),
                    this._ib = s.createIndexBuffer(this._linesIndices),
                    this._indicesCount = this._linesIndices.length
                }
            }
            ,
            t
        }(Ib)
          , Db = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, n, r, o, a) || this;
                return s._beforeCompositionPostProcesses = [],
                s._internalTextureDirty = !1,
                s.enabled = !1,
                s.renderTargetTexture = null,
                s.renderTargetTexture = i,
                s
            }
            return U(t, e),
            t.prototype._createCompositionEffect = function() {
                this.imageProcessingPostProcess = new Fs("prePassComposition",1,null,void 0,this._engine),
                this.imageProcessingPostProcess._updateParameters()
            }
            ,
            t.prototype._checkSize = function() {
                var e = this._engine.getRenderWidth(!0)
                  , t = this._engine.getRenderHeight(!0)
                  , i = this.getRenderWidth()
                  , n = this.getRenderHeight();
                i === e && n === t || (this.resize({
                    width: e,
                    height: t
                }),
                this._internalTextureDirty = !0)
            }
            ,
            t.prototype.updateCount = function(t, i, n) {
                e.prototype.updateCount.call(this, t, i, n),
                this._internalTextureDirty = !0
            }
            ,
            t.prototype._resetPostProcessChain = function() {
                this._beforeCompositionPostProcesses = []
            }
            ,
            t.prototype.dispose = function() {
                var t = this._scene;
                if (e.prototype.dispose.call(this),
                t && t.prePassRenderer) {
                    var i = t.prePassRenderer.renderTargets.indexOf(this);
                    -1 !== i && t.prePassRenderer.renderTargets.splice(i, 1)
                }
                this.imageProcessingPostProcess && this.imageProcessingPostProcess.dispose(),
                this.renderTargetTexture && (this.renderTargetTexture._prePassRenderTarget = null),
                this._outputPostProcess && (this._outputPostProcess.autoClear = !0,
                this._outputPostProcess.restoreDefaultInputTexture())
            }
            ,
            t
        }(pm)
          , Nb = function() {
            function e(t) {
                this.excludedSkinnedMesh = [],
                this.excludedMaterials = [],
                this.mrtCount = 0,
                this._mrtFormats = [],
                this._mrtLayout = [],
                this._mrtNames = [],
                this._textureIndices = [],
                this._isDirty = !0,
                this._effectConfigurations = [],
                this.doNotUseGeometryRendererFallback = !0,
                this.renderTargets = [],
                this._clearColor = new N(0,0,0,0),
                this._enabled = !1,
                this._needsCompositionForThisPass = !1,
                this.disableGammaTransform = !1,
                this._scene = t,
                this._engine = t.getEngine(),
                e._SceneComponentInitialization(this._scene),
                this.defaultRT = this._createRenderTarget("sceneprePassRT", null),
                this._currentTarget = this.defaultRT
            }
            return e.prototype.getIndex = function(e) {
                return this._textureIndices[e]
            }
            ,
            Object.defineProperty(e.prototype, "samples", {
                get: function() {
                    return this.defaultRT.samples
                },
                set: function(e) {
                    this.defaultRT.samples = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getRenderTarget = function() {
                return this._currentTarget
            }
            ,
            e.prototype._setRenderTarget = function(e) {
                this._currentTarget = e || this.defaultRT,
                this._engine.currentRenderPassId = this._currentTarget.renderPassId
            }
            ,
            Object.defineProperty(e.prototype, "currentRTisSceneRT", {
                get: function() {
                    return this._currentTarget === this.defaultRT
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._refreshGeometryBufferRendererLink = function() {
                if (this.doNotUseGeometryRendererFallback)
                    this._geometryBuffer && this._geometryBuffer._unlinkPrePassRenderer(),
                    this._geometryBuffer = null,
                    this._scene.disableGeometryBufferRenderer();
                else {
                    if (this._geometryBuffer = this._scene.enableGeometryBufferRenderer(),
                    !this._geometryBuffer)
                        return void (this.doNotUseGeometryRendererFallback = !0);
                    this._geometryBuffer._linkPrePassRenderer(this)
                }
            }
            ,
            Object.defineProperty(e.prototype, "enabled", {
                get: function() {
                    return this._enabled
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._createRenderTarget = function(e, t) {
                var i = new Db(e,t,{
                    width: this._engine.getRenderWidth(),
                    height: this._engine.getRenderHeight()
                },0,this._scene,{
                    generateMipMaps: !1,
                    generateStencilBuffer: this._engine.isStencilEnable,
                    defaultType: a.TEXTURETYPE_UNSIGNED_INT,
                    types: [],
                    drawOnlyOnFirstAttachmentByDefault: !0
                });
                return this.renderTargets.push(i),
                i
            }
            ,
            Object.defineProperty(e.prototype, "isSupported", {
                get: function() {
                    return this._scene.getEngine().getCaps().drawBuffersExtension
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.bindAttachmentsForEffect = function(e, t) {
                var i = t.getMaterial()
                  , n = i && i.isPrePassCapable
                  , r = i && -1 !== this.excludedMaterials.indexOf(i);
                this.enabled && this._currentTarget.enabled && (e._multiTarget && n && !r ? this._engine.bindAttachments(this._multiRenderAttachments) : (this._engine._currentRenderTarget ? this._engine.bindAttachments(this._defaultAttachments) : this._engine.restoreSingleAttachment(),
                this._geometryBuffer && this.currentRTisSceneRT && !r && this._geometryBuffer.renderList.push(t.getRenderingMesh())))
            }
            ,
            e.prototype._reinitializeAttachments = function() {
                for (var e = [], t = [!1], i = [!0], n = 0; n < this.mrtCount; n++)
                    e.push(!0),
                    n > 0 && (t.push(!0),
                    i.push(!1));
                this._multiRenderAttachments = this._engine.buildTextureLayout(e),
                this._clearAttachments = this._engine.buildTextureLayout(t),
                this._defaultAttachments = this._engine.buildTextureLayout(i)
            }
            ,
            e.prototype._resetLayout = function() {
                for (var t = 0; t < e._TextureFormats.length; t++)
                    this._textureIndices[e._TextureFormats[t].type] = -1;
                this._textureIndices[a.PREPASS_COLOR_TEXTURE_TYPE] = 0,
                this._mrtLayout = [a.PREPASS_COLOR_TEXTURE_TYPE],
                this._mrtFormats = [e._TextureFormats[a.PREPASS_COLOR_TEXTURE_TYPE].format],
                this._mrtNames = [e._TextureFormats[a.PREPASS_COLOR_TEXTURE_TYPE].name],
                this.mrtCount = 1
            }
            ,
            e.prototype._updateGeometryBufferLayout = function() {
                if (this._refreshGeometryBufferRendererLink(),
                this._geometryBuffer) {
                    this._geometryBuffer._resetLayout();
                    for (var e = [], t = 0; t < this._mrtLayout.length; t++)
                        e.push(!1);
                    this._geometryBuffer._linkInternalTexture(this.defaultRT.getInternalTexture());
                    var i = [{
                        prePassConstant: a.PREPASS_DEPTH_TEXTURE_TYPE,
                        geometryBufferConstant: nb.DEPTH_TEXTURE_TYPE
                    }, {
                        prePassConstant: a.PREPASS_NORMAL_TEXTURE_TYPE,
                        geometryBufferConstant: nb.NORMAL_TEXTURE_TYPE
                    }, {
                        prePassConstant: a.PREPASS_POSITION_TEXTURE_TYPE,
                        geometryBufferConstant: nb.POSITION_TEXTURE_TYPE
                    }, {
                        prePassConstant: a.PREPASS_REFLECTIVITY_TEXTURE_TYPE,
                        geometryBufferConstant: nb.REFLECTIVITY_TEXTURE_TYPE
                    }, {
                        prePassConstant: a.PREPASS_VELOCITY_TEXTURE_TYPE,
                        geometryBufferConstant: nb.VELOCITY_TEXTURE_TYPE
                    }];
                    for (t = 0; t < i.length; t++) {
                        var n = this._mrtLayout.indexOf(i[t].prePassConstant);
                        -1 !== n && (this._geometryBuffer._forceTextureType(i[t].geometryBufferConstant, n),
                        e[n] = !0)
                    }
                    this._geometryBuffer._setAttachments(this._engine.buildTextureLayout(e))
                }
            }
            ,
            e.prototype.restoreAttachments = function() {
                this.enabled && this._currentTarget.enabled && this._defaultAttachments && (this._engine._currentRenderTarget ? this._engine.bindAttachments(this._defaultAttachments) : this._engine.restoreSingleAttachment())
            }
            ,
            e.prototype._beforeDraw = function(e, t, i) {
                this._isDirty && this._update(),
                this._enabled && this._currentTarget.enabled && (this._geometryBuffer && (this._geometryBuffer.renderList = []),
                this._setupOutputForThisPass(this._currentTarget, e))
            }
            ,
            e.prototype._prepareFrame = function(e, t, i) {
                e.renderTargetTexture ? e.renderTargetTexture._prepareFrame(this._scene, t, i, e.renderTargetTexture.useCameraPostProcesses) : this._postProcessesSourceForThisPass.length ? this._scene.postProcessManager._prepareFrame() : this._engine.restoreDefaultFramebuffer()
            }
            ,
            e.prototype._renderPostProcesses = function(e, t) {
                var i, n = this._postProcessesSourceForThisPass[0], r = n ? n.inputTexture : e.renderTargetTexture ? e.renderTargetTexture.renderTarget : null, o = this._currentTarget._beforeCompositionPostProcesses;
                this._needsCompositionForThisPass && (o = o.concat([this._currentTarget.imageProcessingPostProcess])),
                o.length && (this._scene.postProcessManager._prepareFrame(null === (i = this._currentTarget.renderTarget) || void 0 === i ? void 0 : i.texture, o),
                this._scene.postProcessManager.directRender(o, r, !1, t))
            }
            ,
            e.prototype._afterDraw = function(e, t) {
                this._enabled && this._currentTarget.enabled && (this._prepareFrame(this._currentTarget, e, t),
                this._renderPostProcesses(this._currentTarget, e))
            }
            ,
            e.prototype._clear = function() {
                this._enabled && this._currentTarget.enabled && (this._bindFrameBuffer(this._currentTarget),
                this._engine.bindAttachments(this._clearAttachments),
                this._engine.clear(this._clearColor, !0, !1, !1),
                this._engine.bindAttachments(this._defaultAttachments))
            }
            ,
            e.prototype._bindFrameBuffer = function(e) {
                if (this._enabled && this._currentTarget.enabled) {
                    this._currentTarget._checkSize();
                    var t = this._currentTarget.renderTarget;
                    t && this._engine.bindFramebuffer(t)
                }
            }
            ,
            e.prototype._setEnabled = function(e) {
                this._enabled = e
            }
            ,
            e.prototype._setRenderTargetEnabled = function(e, t) {
                e.enabled = t,
                t || this._unlinkInternalTexture(e)
            }
            ,
            e.prototype.addEffectConfiguration = function(e) {
                for (var t = 0; t < this._effectConfigurations.length; t++)
                    if (this._effectConfigurations[t].name === e.name)
                        return this._effectConfigurations[t];
                return this._effectConfigurations.push(e),
                e
            }
            ,
            e.prototype._enable = function() {
                for (var e = this.mrtCount, t = 0; t < this._effectConfigurations.length; t++)
                    this._effectConfigurations[t].enabled && this._enableTextures(this._effectConfigurations[t].texturesRequired);
                for (t = 0; t < this.renderTargets.length; t++) {
                    this.mrtCount === e && this.renderTargets[t].count === this.mrtCount || this.renderTargets[t].updateCount(this.mrtCount, {
                        types: this._mrtFormats
                    }, this._mrtNames.concat("prePass_DepthBuffer")),
                    this.renderTargets[t]._resetPostProcessChain();
                    for (var i = 0; i < this._effectConfigurations.length; i++)
                        this._effectConfigurations[i].enabled && (!this._effectConfigurations[i].postProcess && this._effectConfigurations[i].createPostProcess && this._effectConfigurations[i].createPostProcess(),
                        this._effectConfigurations[i].postProcess && this.renderTargets[t]._beforeCompositionPostProcesses.push(this._effectConfigurations[i].postProcess))
                }
                this._reinitializeAttachments(),
                this._setEnabled(!0),
                this._updateGeometryBufferLayout()
            }
            ,
            e.prototype._disable = function() {
                this._setEnabled(!1);
                for (var e = 0; e < this.renderTargets.length; e++)
                    this._setRenderTargetEnabled(this.renderTargets[e], !1);
                for (this._resetLayout(),
                e = 0; e < this._effectConfigurations.length; e++)
                    this._effectConfigurations[e].enabled = !1
            }
            ,
            e.prototype._getPostProcessesSource = function(e, t) {
                if (t)
                    return t._postProcesses;
                if (e.renderTargetTexture) {
                    if (e.renderTargetTexture.useCameraPostProcesses) {
                        var i = e.renderTargetTexture.activeCamera ? e.renderTargetTexture.activeCamera : this._scene.activeCamera;
                        return i ? i._postProcesses : []
                    }
                    return e.renderTargetTexture.postProcesses ? e.renderTargetTexture.postProcesses : []
                }
                return this._scene.activeCamera ? this._scene.activeCamera._postProcesses : []
            }
            ,
            e.prototype._setupOutputForThisPass = function(e, t) {
                var i = t && this._scene.activeCameras && !!this._scene.activeCameras.length && 0 !== this._scene.activeCameras.indexOf(t);
                this._postProcessesSourceForThisPass = this._getPostProcessesSource(e, t),
                this._postProcessesSourceForThisPass = this._postProcessesSourceForThisPass.filter((function(e) {
                    return null != e
                }
                )),
                this._scene.autoClear = !0;
                var n = this._hasImageProcessing(this._postProcessesSourceForThisPass);
                this._needsCompositionForThisPass = !n && !this.disableGammaTransform && this._needsImageProcessing() && !i;
                var r = this._getFirstPostProcess(this._postProcessesSourceForThisPass)
                  , o = e._beforeCompositionPostProcesses && e._beforeCompositionPostProcesses[0]
                  , a = null;
                this._scene.imageProcessingConfiguration.applyByPostProcess = this._needsCompositionForThisPass || n,
                this._needsCompositionForThisPass && !e.imageProcessingPostProcess && e._createCompositionEffect(),
                o ? a = o : this._needsCompositionForThisPass ? a = e.imageProcessingPostProcess : r && (a = r),
                this._bindFrameBuffer(e),
                this._linkInternalTexture(e, a)
            }
            ,
            e.prototype._linkInternalTexture = function(e, t) {
                t && (t.autoClear = !1,
                t.inputTexture = e.renderTarget),
                e._outputPostProcess !== t && (e._outputPostProcess && this._unlinkInternalTexture(e),
                e._outputPostProcess = t),
                e._internalTextureDirty && (this._updateGeometryBufferLayout(),
                e._internalTextureDirty = !1)
            }
            ,
            e.prototype._unlinkInternalTexture = function(e) {
                e._outputPostProcess && (e._outputPostProcess.autoClear = !0,
                e._outputPostProcess.restoreDefaultInputTexture(),
                e._outputPostProcess = null)
            }
            ,
            e.prototype._needsImageProcessing = function() {
                for (var e = 0; e < this._effectConfigurations.length; e++)
                    if (this._effectConfigurations[e].enabled && this._effectConfigurations[e].needsImageProcessing)
                        return !0;
                return !1
            }
            ,
            e.prototype._hasImageProcessing = function(e) {
                var t, i = !1;
                if (e)
                    for (var n = 0; n < e.length; n++)
                        if ("ImageProcessingPostProcess" === (null === (t = e[n]) || void 0 === t ? void 0 : t.getClassName())) {
                            i = !0;
                            break
                        }
                return i
            }
            ,
            e.prototype._getFirstPostProcess = function(e) {
                for (var t = 0; t < e.length; t++)
                    if (null !== e[t])
                        return e[t];
                return null
            }
            ,
            e.prototype.markAsDirty = function() {
                this._isDirty = !0
            }
            ,
            e.prototype._enableTextures = function(t) {
                this._scene.needsPreviousWorldMatrices = !1;
                for (var i = 0; i < t.length; i++) {
                    var n = t[i];
                    -1 === this._textureIndices[n] && (this._textureIndices[n] = this._mrtLayout.length,
                    this._mrtLayout.push(n),
                    this._mrtFormats.push(e._TextureFormats[n].format),
                    this._mrtNames.push(e._TextureFormats[n].name),
                    this.mrtCount++),
                    n === a.PREPASS_VELOCITY_TEXTURE_TYPE && (this._scene.needsPreviousWorldMatrices = !0)
                }
            }
            ,
            e.prototype._update = function() {
                this._disable();
                var e, t = !1;
                this._scene.imageProcessingConfiguration.applyByPostProcess = !1,
                this._scene._depthPeelingRenderer && this._scene.useOrderIndependentTransparency && (this._scene._depthPeelingRenderer.setPrePassRenderer(this),
                t = !0);
                for (var i = 0; i < this._scene.materials.length; i++)
                    this._scene.materials[i].setPrePassRenderer(this) && (t = !0);
                for (t && this._setRenderTargetEnabled(this.defaultRT, !0),
                i = 0; i < this.renderTargets.length; i++) {
                    if (this.renderTargets[i].renderTargetTexture)
                        e = this._getPostProcessesSource(this.renderTargets[i]);
                    else {
                        var n = this._scene.activeCamera;
                        if (!n)
                            continue;
                        e = n._postProcesses
                    }
                    if (e && (e = e.filter((function(e) {
                        return null != e
                    }
                    )))) {
                        for (var r = 0; r < e.length; r++)
                            e[r].setPrePassRenderer(this) && (this._setRenderTargetEnabled(this.renderTargets[i], !0),
                            t = !0);
                        this._hasImageProcessing(e) && (this._scene.imageProcessingConfiguration.applyByPostProcess = !0)
                    }
                }
                this._markAllMaterialsAsPrePassDirty(),
                this._isDirty = !1,
                t && this._enable()
            }
            ,
            e.prototype._markAllMaterialsAsPrePassDirty = function() {
                for (var e = this._scene.materials, t = 0; t < e.length; t++)
                    e[t].markAsDirty(Or.PrePassDirtyFlag)
            }
            ,
            e.prototype.dispose = function() {
                for (var e = this.renderTargets.length - 1; e >= 0; e--)
                    this.renderTargets[e].dispose();
                for (e = 0; e < this._effectConfigurations.length; e++)
                    this._effectConfigurations[e].dispose && this._effectConfigurations[e].dispose()
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("PrePassRendererSceneComponent")
            }
            ,
            e._TextureFormats = [{
                type: a.PREPASS_IRRADIANCE_TEXTURE_TYPE,
                format: a.TEXTURETYPE_HALF_FLOAT,
                name: "prePass_Irradiance"
            }, {
                type: a.PREPASS_POSITION_TEXTURE_TYPE,
                format: a.TEXTURETYPE_HALF_FLOAT,
                name: "prePass_Position"
            }, {
                type: a.PREPASS_VELOCITY_TEXTURE_TYPE,
                format: a.TEXTURETYPE_UNSIGNED_INT,
                name: "prePass_Velocity"
            }, {
                type: a.PREPASS_REFLECTIVITY_TEXTURE_TYPE,
                format: a.TEXTURETYPE_UNSIGNED_INT,
                name: "prePass_Reflectivity"
            }, {
                type: a.PREPASS_COLOR_TEXTURE_TYPE,
                format: a.TEXTURETYPE_HALF_FLOAT,
                name: "prePass_Color"
            }, {
                type: a.PREPASS_DEPTH_TEXTURE_TYPE,
                format: a.TEXTURETYPE_HALF_FLOAT,
                name: "prePass_Depth"
            }, {
                type: a.PREPASS_NORMAL_TEXTURE_TYPE,
                format: a.TEXTURETYPE_HALF_FLOAT,
                name: "prePass_Normal"
            }, {
                type: a.PREPASS_ALBEDO_SQRT_TEXTURE_TYPE,
                format: a.TEXTURETYPE_UNSIGNED_INT,
                name: "prePass_Albedo"
            }],
            e
        }();
        Object.defineProperty(mn.prototype, "prePassRenderer", {
            get: function() {
                return this._prePassRenderer
            },
            set: function(e) {
                e && e.isSupported && (this._prePassRenderer = e)
            },
            enumerable: !0,
            configurable: !0
        }),
        mn.prototype.enablePrePassRenderer = function() {
            return this._prePassRenderer || (this._prePassRenderer = new Nb(this),
            this._prePassRenderer.isSupported || (this._prePassRenderer = null,
            K.Error("PrePassRenderer needs WebGL 2 support.\nMaybe you tried to use the following features that need the PrePassRenderer :\n + Subsurface Scattering"))),
            this._prePassRenderer
        }
        ,
        mn.prototype.disablePrePassRenderer = function() {
            this._prePassRenderer && (this._prePassRenderer.dispose(),
            this._prePassRenderer = null)
        }
        ;
        var Lb = function() {
            function e(e) {
                this.name = Wi.NAME_PREPASSRENDERER,
                this.scene = e
            }
            return e.prototype.register = function() {
                this.scene._beforeCameraDrawStage.registerStep(Wi.STEP_BEFORECAMERADRAW_PREPASS, this, this._beforeCameraDraw),
                this.scene._afterCameraDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_PREPASS, this, this._afterCameraDraw),
                this.scene._beforeRenderTargetDrawStage.registerStep(Wi.STEP_BEFORERENDERTARGETDRAW_PREPASS, this, this._beforeRenderTargetDraw),
                this.scene._afterRenderTargetDrawStage.registerStep(Wi.STEP_AFTERCAMERADRAW_PREPASS, this, this._afterRenderTargetDraw),
                this.scene._beforeClearStage.registerStep(Wi.STEP_BEFORECLEARSTAGE_PREPASS, this, this._beforeClearStage),
                this.scene._beforeRenderTargetClearStage.registerStep(Wi.STEP_BEFORERENDERTARGETCLEARSTAGE_PREPASS, this, this._beforeRenderTargetClearStage),
                this.scene._beforeRenderingMeshStage.registerStep(Wi.STEP_BEFORERENDERINGMESH_PREPASS, this, this._beforeRenderingMeshStage),
                this.scene._afterRenderingMeshStage.registerStep(Wi.STEP_AFTERRENDERINGMESH_PREPASS, this, this._afterRenderingMeshStage)
            }
            ,
            e.prototype._beforeRenderTargetDraw = function(e, t, i) {
                this.scene.prePassRenderer && (this.scene.prePassRenderer._setRenderTarget(e._prePassRenderTarget),
                this.scene.prePassRenderer._beforeDraw(void 0, t, i))
            }
            ,
            e.prototype._afterRenderTargetDraw = function(e, t, i) {
                this.scene.prePassRenderer && this.scene.prePassRenderer._afterDraw(t, i)
            }
            ,
            e.prototype._beforeRenderTargetClearStage = function(e) {
                this.scene.prePassRenderer && (e._prePassRenderTarget || (e._prePassRenderTarget = this.scene.prePassRenderer._createRenderTarget(e.name + "_prePassRTT", e)),
                this.scene.prePassRenderer._setRenderTarget(e._prePassRenderTarget),
                this.scene.prePassRenderer._clear())
            }
            ,
            e.prototype._beforeCameraDraw = function(e) {
                this.scene.prePassRenderer && (this.scene.prePassRenderer._setRenderTarget(null),
                this.scene.prePassRenderer._beforeDraw(e))
            }
            ,
            e.prototype._afterCameraDraw = function() {
                this.scene.prePassRenderer && this.scene.prePassRenderer._afterDraw()
            }
            ,
            e.prototype._beforeClearStage = function() {
                this.scene.prePassRenderer && (this.scene.prePassRenderer._setRenderTarget(null),
                this.scene.prePassRenderer._clear())
            }
            ,
            e.prototype._beforeRenderingMeshStage = function(e, t, i, n) {
                if (n) {
                    var r = e.getScene();
                    r.prePassRenderer && r.prePassRenderer.bindAttachmentsForEffect(n, t)
                }
            }
            ,
            e.prototype._afterRenderingMeshStage = function(e) {
                var t = e.getScene();
                t.prePassRenderer && t.prePassRenderer.restoreAttachments()
            }
            ,
            e.prototype.rebuild = function() {
                this.scene.disablePrePassRenderer(),
                this.scene.enablePrePassRenderer()
            }
            ,
            e.prototype.dispose = function() {
                this.scene.disablePrePassRenderer()
            }
            ,
            e
        }();
        Nb._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_PREPASSRENDERER);
            t || (t = new Lb(e),
            e._addComponent(t))
        }
        ;
        Pt.IncludesShadersStore.fibonacci = "#define rcp(x) 1./x\n#define GOLDEN_RATIO 1.618033988749895\n#define TWO_PI 6.2831855\nvec2 Golden2dSeq(int i,float n)\n{\nreturn vec2(float(i)/n+(0.5/n),fract(float(i)*rcp(GOLDEN_RATIO)));\n}\nvec2 SampleDiskGolden(int i,int sampleCount)\n{\nvec2 f=Golden2dSeq(i,float(sampleCount));\nreturn vec2(sqrt(f.x),TWO_PI*f.y);\n}";
        Pt.IncludesShadersStore.diffusionProfile = "uniform vec3 diffusionS[5];\nuniform float diffusionD[5];\nuniform float filterRadii[5];";
        Pt.ShadersStore.subSurfaceScatteringPixelShader = "#include<fibonacci>\n#include<helperFunctions>\n#include<subSurfaceScatteringFunctions>\n#include<diffusionProfile>\nvarying vec2 vUV;\nuniform vec2 texelSize;\nuniform sampler2D textureSampler;\nuniform sampler2D irradianceSampler;\nuniform sampler2D depthSampler;\nuniform sampler2D albedoSampler;\nuniform vec2 viewportSize;\nuniform float metersPerUnit;\nconst float LOG2_E=1.4426950408889634;\nconst float SSS_PIXELS_PER_SAMPLE=4.;\nconst int _SssSampleBudget=40;\n#define rcp(x) 1./x\n#define Sq(x) x*x\n#define SSS_BILATERAL_FILTER true\nvec3 EvalBurleyDiffusionProfile(float r,vec3 S)\n{\nvec3 exp_13=exp2(((LOG2_E*(-1.0/3.0))*r)*S); \nvec3 expSum=exp_13*(1.+exp_13*exp_13); \nreturn (S*rcp(8.*PI))*expSum; \n}\nvec2 SampleBurleyDiffusionProfile(float u,float rcpS)\n{\nu=1.-u; \nfloat g=1.+(4.*u)*(2.*u+sqrt(1.+(4.*u)*u));\nfloat n=exp2(log2(g)*(-1.0/3.0)); \nfloat p=(g*n)*n; \nfloat c=1.+p+n; \nfloat d=(3./LOG2_E*2.)+(3./LOG2_E)*log2(u); \nfloat x=(3./LOG2_E)*log2(c)-d; \nfloat rcpExp=((c*c)*c)*rcp((4.*u)*((c*c)+(4.*u)*(4.*u)));\nfloat r=x*rcpS;\nfloat rcpPdf=(8.*PI*rcpS)*rcpExp; \nreturn vec2(r,rcpPdf);\n}\nvec3 ComputeBilateralWeight(float xy2,float z,float mmPerUnit,vec3 S,float rcpPdf)\n{\n#ifndef SSS_BILATERAL_FILTER\nz=0.;\n#endif\nfloat r=sqrt(xy2+(z*mmPerUnit)*(z*mmPerUnit));\nfloat area=rcpPdf;\n#if SSS_CLAMP_ARTIFACT\nreturn clamp(EvalBurleyDiffusionProfile(r,S)*area,0.0,1.0);\n#else\nreturn EvalBurleyDiffusionProfile(r,S)*area;\n#endif\n}\nvoid EvaluateSample(int i,int n,vec3 S,float d,vec3 centerPosVS,float mmPerUnit,float pixelsPerMm,\nfloat phase,inout vec3 totalIrradiance,inout vec3 totalWeight)\n{\nfloat scale =rcp(float(n));\nfloat offset=rcp(float(n))*0.5;\nfloat sinPhase,cosPhase;\nsinPhase=sin(phase);\ncosPhase=cos(phase);\nvec2 bdp=SampleBurleyDiffusionProfile(float(i)*scale+offset,d);\nfloat r=bdp.x;\nfloat rcpPdf=bdp.y;\nfloat phi=SampleDiskGolden(i,n).y;\nfloat sinPhi,cosPhi;\nsinPhi=sin(phi);\ncosPhi=cos(phi);\nfloat sinPsi=cosPhase*sinPhi+sinPhase*cosPhi; \nfloat cosPsi=cosPhase*cosPhi-sinPhase*sinPhi; \nvec2 vec=r*vec2(cosPsi,sinPsi);\nvec2 position; \nfloat xy2;\nposition=vUV+round((pixelsPerMm*r)*vec2(cosPsi,sinPsi))*texelSize;\nxy2 =r*r;\nvec4 textureSample=texture2D(irradianceSampler,position);\nfloat viewZ=texture2D(depthSampler,position).r;\nvec3 irradiance =textureSample.rgb;\nif (testLightingForSSS(textureSample.a))\n{\nfloat relZ=viewZ-centerPosVS.z;\nvec3 weight=ComputeBilateralWeight(xy2,relZ,mmPerUnit,S,rcpPdf);\ntotalIrradiance+=weight*irradiance;\ntotalWeight +=weight;\n}\nelse\n{\n}\n}\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) \n{\nvec4 irradianceAndDiffusionProfile =texture2D(irradianceSampler,vUV);\nvec3 centerIrradiance=irradianceAndDiffusionProfile.rgb;\nint diffusionProfileIndex=int(round(irradianceAndDiffusionProfile.a*255.));\nfloat centerDepth =0.;\nvec4 inputColor=texture2D(textureSampler,vUV);\nbool passedStencilTest=testLightingForSSS(irradianceAndDiffusionProfile.a);\nif (passedStencilTest)\n{\ncenterDepth=texture2D(depthSampler,vUV).r;\n}\nif (!passedStencilTest) { \ngl_FragColor=inputColor;\nreturn;\n}\nfloat distScale =1.;\nvec3 S =diffusionS[diffusionProfileIndex];\nfloat d =diffusionD[diffusionProfileIndex];\nfloat filterRadius=filterRadii[diffusionProfileIndex];\nvec2 centerPosNDC=vUV;\nvec2 cornerPosNDC=vUV+0.5*texelSize;\nvec3 centerPosVS =vec3(centerPosNDC*viewportSize,1.0)*centerDepth; \nvec3 cornerPosVS =vec3(cornerPosNDC*viewportSize,1.0)*centerDepth; \nfloat mmPerUnit =1000.*(metersPerUnit*rcp(distScale));\nfloat unitsPerMm=rcp(mmPerUnit);\nfloat unitsPerPixel=2.*abs(cornerPosVS.x-centerPosVS.x);\nfloat pixelsPerMm =rcp(unitsPerPixel)*unitsPerMm;\nfloat filterArea =PI*Sq(filterRadius*pixelsPerMm);\nint sampleCount =int(filterArea*rcp(SSS_PIXELS_PER_SAMPLE));\nint sampleBudget=_SssSampleBudget;\nint texturingMode=0;\nvec3 albedo =texture2D(albedoSampler,vUV).rgb;\nif (distScale==0. || sampleCount<1)\n{\n#ifdef DEBUG_SSS_SAMPLES\nvec3 green=vec3(0.,1.,0.);\ngl_FragColor=vec4(green,1.0);\nreturn;\n#endif\ngl_FragColor=vec4(inputColor.rgb+albedo*centerIrradiance,1.0);\nreturn;\n}\n#ifdef DEBUG_SSS_SAMPLES\nvec3 red =vec3(1.,0.,0.);\nvec3 blue=vec3(0.,0.,1.);\ngl_FragColor=vec4(mix(blue,red,clamp(float(sampleCount)/float(sampleBudget),0.0,1.0)),1.0);\nreturn;\n#endif\nfloat phase=0.;\nint n=min(sampleCount,sampleBudget);\nvec3 centerWeight =vec3(0.); \nvec3 totalIrradiance=vec3(0.);\nvec3 totalWeight =vec3(0.);\nfor (int i=0; i<n; i++)\n{\nEvaluateSample(i,n,S,d,centerPosVS,mmPerUnit,pixelsPerMm,\nphase,totalIrradiance,totalWeight);\n}\ntotalWeight=max(totalWeight,HALF_MIN);\ngl_FragColor=vec4(inputColor.rgb+albedo*max(totalIrradiance/totalWeight,vec3(0.0)),1.);\n}";
        var Fb = function(e) {
            function t(t, i, n, r, o, s, l, c) {
                void 0 === r && (r = null),
                void 0 === c && (c = a.TEXTURETYPE_UNSIGNED_INT);
                var u = e.call(this, t, "subSurfaceScattering", ["texelSize", "viewportSize", "metersPerUnit"], ["diffusionS", "diffusionD", "filterRadii", "irradianceSampler", "depthSampler", "albedoSampler"], n, r, o || io.BILINEAR_SAMPLINGMODE, s, l, null, c, "postprocess", void 0, !0) || this;
                return u._scene = i,
                u.updateEffect(),
                u.onApplyObservable.add((function(e) {
                    if (i.prePassRenderer && i.subSurfaceConfiguration) {
                        var t = u.texelSize;
                        e.setFloat("metersPerUnit", i.subSurfaceConfiguration.metersPerUnit),
                        e.setFloat2("texelSize", t.x, t.y),
                        e.setTexture("irradianceSampler", i.prePassRenderer.getRenderTarget().textures[i.prePassRenderer.getIndex(a.PREPASS_IRRADIANCE_TEXTURE_TYPE)]),
                        e.setTexture("depthSampler", i.prePassRenderer.getRenderTarget().textures[i.prePassRenderer.getIndex(a.PREPASS_DEPTH_TEXTURE_TYPE)]),
                        e.setTexture("albedoSampler", i.prePassRenderer.getRenderTarget().textures[i.prePassRenderer.getIndex(a.PREPASS_ALBEDO_SQRT_TEXTURE_TYPE)]),
                        e.setFloat2("viewportSize", Math.tan(i.activeCamera.fov / 2) * i.getEngine().getAspectRatio(i.activeCamera, !0), Math.tan(i.activeCamera.fov / 2)),
                        e.setArray3("diffusionS", i.subSurfaceConfiguration.ssDiffusionS),
                        e.setArray("diffusionD", i.subSurfaceConfiguration.ssDiffusionD),
                        e.setArray("filterRadii", i.subSurfaceConfiguration.ssFilterRadii)
                    } else
                        K.Error("PrePass and subsurface configuration needs to be enabled for subsurface scattering.")
                }
                )),
                u
            }
            return U(t, e),
            t.prototype.getClassName = function() {
                return "SubSurfaceScatteringPostProcess"
            }
            ,
            t
        }(Ba)
          , wb = function() {
            function e(t) {
                this._ssDiffusionS = [],
                this._ssFilterRadii = [],
                this._ssDiffusionD = [],
                this.enabled = !1,
                this.needsImageProcessing = !0,
                this.name = Wi.NAME_SUBSURFACE,
                this.ssDiffusionProfileColors = [],
                this.metersPerUnit = 1,
                this.texturesRequired = [a.PREPASS_DEPTH_TEXTURE_TYPE, a.PREPASS_ALBEDO_SQRT_TEXTURE_TYPE, a.PREPASS_COLOR_TEXTURE_TYPE, a.PREPASS_IRRADIANCE_TEXTURE_TYPE],
                this.addDiffusionProfile(new D(1,1,1)),
                this._scene = t,
                e._SceneComponentInitialization(this._scene)
            }
            return Object.defineProperty(e.prototype, "ssDiffusionS", {
                get: function() {
                    return this._ssDiffusionS
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ssDiffusionD", {
                get: function() {
                    return this._ssDiffusionD
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "ssFilterRadii", {
                get: function() {
                    return this._ssFilterRadii
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.addDiffusionProfile = function(e) {
                if (this.ssDiffusionD.length >= 5)
                    return K.Error("You already reached the maximum number of diffusion profiles."),
                    0;
                for (var t = 0; t < this._ssDiffusionS.length / 3; t++)
                    if (this._ssDiffusionS[3 * t] === e.r && this._ssDiffusionS[3 * t + 1] === e.g && this._ssDiffusionS[3 * t + 2] === e.b)
                        return t;
                return this._ssDiffusionS.push(e.r, e.b, e.g),
                this._ssDiffusionD.push(Math.max(Math.max(e.r, e.b), e.g)),
                this._ssFilterRadii.push(this.getDiffusionProfileParameters(e)),
                this.ssDiffusionProfileColors.push(e),
                this._ssDiffusionD.length - 1
            }
            ,
            e.prototype.createPostProcess = function() {
                return this.postProcess = new Fb("subSurfaceScattering",this._scene,1,null,void 0,this._scene.getEngine()),
                this.postProcess.autoClear = !1,
                this.postProcess
            }
            ,
            e.prototype.clearAllDiffusionProfiles = function() {
                this._ssDiffusionD = [],
                this._ssDiffusionS = [],
                this._ssFilterRadii = [],
                this.ssDiffusionProfileColors = []
            }
            ,
            e.prototype.dispose = function() {
                this.clearAllDiffusionProfiles(),
                this.postProcess && this.postProcess.dispose()
            }
            ,
            e.prototype.getDiffusionProfileParameters = function(e) {
                var t = Math.max(e.r, e.g, e.b);
                return this._sampleBurleyDiffusionProfile(.997, t)
            }
            ,
            e.prototype._sampleBurleyDiffusionProfile = function(e, t) {
                var i = 1 + 4 * (e = 1 - e) * (2 * e + Math.sqrt(1 + 4 * e * e))
                  , n = Math.pow(i, -1 / 3)
                  , r = 1 + i * n * n + n;
                return 3 * Math.log(r / (4 * e)) * t
            }
            ,
            e._SceneComponentInitialization = function(e) {
                throw be("SubSurfaceSceneComponent")
            }
            ,
            e
        }();
        o.AddParser(Wi.NAME_SUBSURFACE, (function(e, t) {
            if (void 0 !== e.ssDiffusionProfileColors && null !== e.ssDiffusionProfileColors && (t.enableSubSurfaceForPrePass(),
            t.subSurfaceConfiguration))
                for (var i = 0, n = e.ssDiffusionProfileColors.length; i < n; i++) {
                    var r = e.ssDiffusionProfileColors[i];
                    t.subSurfaceConfiguration.addDiffusionProfile(new D(r.r,r.g,r.b))
                }
        }
        )),
        Object.defineProperty(mn.prototype, "subSurfaceConfiguration", {
            get: function() {
                return this._subSurfaceConfiguration
            },
            set: function(e) {
                e && this.enablePrePassRenderer() && (this._subSurfaceConfiguration = e)
            },
            enumerable: !0,
            configurable: !0
        }),
        mn.prototype.enableSubSurfaceForPrePass = function() {
            if (this._subSurfaceConfiguration)
                return this._subSurfaceConfiguration;
            var e = this.enablePrePassRenderer();
            return e ? (this._subSurfaceConfiguration = new wb(this),
            e.addEffectConfiguration(this._subSurfaceConfiguration),
            this._subSurfaceConfiguration) : null
        }
        ,
        mn.prototype.disableSubSurfaceForPrePass = function() {
            this._subSurfaceConfiguration && (this._subSurfaceConfiguration.dispose(),
            this._subSurfaceConfiguration = null)
        }
        ;
        var Bb = function() {
            function e(e) {
                this.name = Wi.NAME_PREPASSRENDERER,
                this.scene = e
            }
            return e.prototype.register = function() {}
            ,
            e.prototype.serialize = function(e) {
                if (this.scene.subSurfaceConfiguration) {
                    var t = this.scene.subSurfaceConfiguration.ssDiffusionProfileColors;
                    e.ssDiffusionProfileColors = [];
                    for (var i = 0; i < t.length; i++)
                        e.ssDiffusionProfileColors.push({
                            r: t[i].r,
                            g: t[i].g,
                            b: t[i].b
                        })
                }
            }
            ,
            e.prototype.addFromContainer = function() {}
            ,
            e.prototype.removeFromContainer = function() {
                this.scene.prePassRenderer && this.scene.subSurfaceConfiguration && this.scene.subSurfaceConfiguration.clearAllDiffusionProfiles()
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {}
            ,
            e
        }();
        wb._SceneComponentInitialization = function(e) {
            var t = e._getComponent(Wi.NAME_SUBSURFACE);
            t || (t = new Bb(e),
            e._addComponent(t))
        }
        ;
        Pt.ShadersStore.outlinePixelShader = "#ifdef LOGARITHMICDEPTH\n#extension GL_EXT_frag_depth : enable\n#endif\nuniform vec4 color;\n#ifdef ALPHATEST\nvarying vec2 vUV;\nuniform sampler2D diffuseSampler;\n#endif\n#include<clipPlaneFragmentDeclaration>\n#include<logDepthDeclaration>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\n#ifdef ALPHATEST\nif (texture2D(diffuseSampler,vUV).a<0.4)\ndiscard;\n#endif\n#include<logDepthFragment>\ngl_FragColor=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.outlineVertexShader = "attribute vec3 position;\nattribute vec3 normal;\n#include<bonesDeclaration>\n#include<bakedVertexAnimationDeclaration>\n#include<morphTargetsVertexGlobalDeclaration>\n#include<morphTargetsVertexDeclaration>[0..maxSimultaneousMorphTargets]\n#include<clipPlaneVertexDeclaration>\nuniform float offset;\n#include<instancesDeclaration>\nuniform mat4 viewProjection;\n#ifdef ALPHATEST\nvarying vec2 vUV;\nuniform mat4 diffuseMatrix;\n#ifdef UV1\nattribute vec2 uv;\n#endif\n#ifdef UV2\nattribute vec2 uv2;\n#endif\n#endif\n#include<logDepthDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void)\n{\nvec3 positionUpdated=position;\nvec3 normalUpdated=normal;\n#ifdef UV1\nvec2 uvUpdated=uv;\n#endif\n#include<morphTargetsVertexGlobal>\n#include<morphTargetsVertex>[0..maxSimultaneousMorphTargets]\nvec3 offsetPosition=positionUpdated+(normalUpdated*offset);\n#include<instancesVertex>\n#include<bonesVertex>\n#include<bakedVertexAnimation>\nvec4 worldPos=finalWorld*vec4(offsetPosition,1.0);\ngl_Position=viewProjection*worldPos;\n#ifdef ALPHATEST\n#ifdef UV1\nvUV=vec2(diffuseMatrix*vec4(uvUpdated,1.0,0.0));\n#endif\n#ifdef UV2\nvUV=vec2(diffuseMatrix*vec4(uv2,1.0,0.0));\n#endif\n#endif\n#include<clipPlaneVertex>\n#include<logDepthVertex>\n}\n",
        mn.prototype.getOutlineRenderer = function() {
            return this._outlineRenderer || (this._outlineRenderer = new Ub(this)),
            this._outlineRenderer
        }
        ,
        Object.defineProperty(Vr.prototype, "renderOutline", {
            get: function() {
                return this._renderOutline
            },
            set: function(e) {
                e && this.getScene().getOutlineRenderer(),
                this._renderOutline = e
            },
            enumerable: !0,
            configurable: !0
        }),
        Object.defineProperty(Vr.prototype, "renderOverlay", {
            get: function() {
                return this._renderOverlay
            },
            set: function(e) {
                e && this.getScene().getOutlineRenderer(),
                this._renderOverlay = e
            },
            enumerable: !0,
            configurable: !0
        });
        var Ub = function() {
            function e(e) {
                this.name = Wi.NAME_OUTLINERENDERER,
                this.zOffset = 1,
                this.zOffsetUnits = 4,
                this.scene = e,
                this._engine = e.getEngine(),
                this.scene._addComponent(this),
                this._passIdForDrawWrapper = [];
                for (var t = 0; t < 4; ++t)
                    this._passIdForDrawWrapper[t] = this._engine.createRenderPassId("Outline Renderer (".concat(t, ")"))
            }
            return e.prototype.register = function() {
                this.scene._beforeRenderingMeshStage.registerStep(Wi.STEP_BEFORERENDERINGMESH_OUTLINE, this, this._beforeRenderingMesh),
                this.scene._afterRenderingMeshStage.registerStep(Wi.STEP_AFTERRENDERINGMESH_OUTLINE, this, this._afterRenderingMesh)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                for (var e = 0; e < this._passIdForDrawWrapper.length; ++e)
                    this._engine.releaseRenderPassId(this._passIdForDrawWrapper[e])
            }
            ,
            e.prototype.render = function(e, t, i, n) {
                void 0 === i && (i = !1),
                n = null != n ? n : this._passIdForDrawWrapper[0];
                var r = this.scene
                  , o = r.getEngine()
                  , a = o.getCaps().instancedArrays && (null !== t.visibleInstances[e._id] && void 0 !== t.visibleInstances[e._id] || e.getRenderingMesh().hasThinInstances);
                if (this.isReady(e, a, n)) {
                    var s = e.getMesh()
                      , l = s._internalAbstractMeshDataInfo._actAsRegularMesh ? s : null
                      , c = e.getRenderingMesh()
                      , u = l || c
                      , h = e.getMaterial();
                    if (h && r.activeCamera) {
                        var d = e._getDrawWrapper(n)
                          , p = Gt.GetEffect(d);
                        if (o.enableEffect(d),
                        h.useLogarithmicDepth && p.setFloat("logarithmicDepthConstant", 2 / (Math.log(r.activeCamera.maxZ + 1) / Math.LN2)),
                        p.setFloat("offset", i ? 0 : c.outlineWidth),
                        p.setColor4("color", i ? c.overlayColor : c.outlineColor, i ? c.overlayAlpha : h.alpha),
                        p.setMatrix("viewProjection", r.getTransformMatrix()),
                        p.setMatrix("world", u.getWorldMatrix()),
                        c.useBones && c.computeBonesUsingShaders && c.skeleton && p.setMatrices("mBones", c.skeleton.getTransformMatrices(c)),
                        c.morphTargetManager && c.morphTargetManager.isUsingTextureForTargets && c.morphTargetManager._bind(p),
                        Mr.BindMorphTargetParameters(c, p),
                        a || c._bind(e, p, h.fillMode),
                        h && h.needAlphaTesting()) {
                            var f = h.getAlphaTestTexture();
                            f && (p.setTexture("diffuseSampler", f),
                            p.setMatrix("diffuseMatrix", f.getTextureMatrix()))
                        }
                        Mr.BindClipPlane(p, r),
                        o.setZOffset(-this.zOffset),
                        o.setZOffsetUnits(-this.zOffsetUnits),
                        c._processRendering(u, e, p, h.fillMode, t, a, (function(e, t) {
                            p.setMatrix("world", t)
                        }
                        )),
                        o.setZOffset(0),
                        o.setZOffsetUnits(0)
                    }
                }
            }
            ,
            e.prototype.isReady = function(e, t, i) {
                i = null != i ? i : this._passIdForDrawWrapper[0];
                var n = []
                  , r = [Bi.PositionKind, Bi.NormalKind]
                  , o = e.getMesh()
                  , a = e.getMaterial()
                  , s = o.getScene();
                a && (a.needAlphaTesting() && (n.push("#define ALPHATEST"),
                o.isVerticesDataPresent(Bi.UVKind) && (r.push(Bi.UVKind),
                n.push("#define UV1")),
                o.isVerticesDataPresent(Bi.UV2Kind) && (r.push(Bi.UV2Kind),
                n.push("#define UV2"))),
                a.useLogarithmicDepth && n.push("#define LOGARITHMICDEPTH")),
                o.useBones && o.computeBonesUsingShaders ? (r.push(Bi.MatricesIndicesKind),
                r.push(Bi.MatricesWeightsKind),
                o.numBoneInfluencers > 4 && (r.push(Bi.MatricesIndicesExtraKind),
                r.push(Bi.MatricesWeightsExtraKind)),
                n.push("#define NUM_BONE_INFLUENCERS " + o.numBoneInfluencers),
                n.push("#define BonesPerMesh " + (o.skeleton ? o.skeleton.bones.length + 1 : 0))) : n.push("#define NUM_BONE_INFLUENCERS 0");
                var l = o.morphTargetManager
                  , c = 0;
                l && l.numInfluencers > 0 && (c = l.numInfluencers,
                n.push("#define MORPHTARGETS"),
                n.push("#define NUM_MORPH_INFLUENCERS " + c),
                l.isUsingTextureForTargets && n.push("#define MORPHTARGETS_TEXTURE"),
                Mr.PrepareAttributesForMorphTargetsInfluencers(r, o, c)),
                t && (n.push("#define INSTANCES"),
                Mr.PushAttributesForInstances(r),
                e.getRenderingMesh().hasThinInstances && n.push("#define THIN_INSTANCES")),
                s.clipPlane && n.push("#define CLIPPLANE"),
                s.clipPlane2 && n.push("#define CLIPPLANE2"),
                s.clipPlane3 && n.push("#define CLIPPLANE3"),
                s.clipPlane4 && n.push("#define CLIPPLANE4"),
                s.clipPlane5 && n.push("#define CLIPPLANE5"),
                s.clipPlane6 && n.push("#define CLIPPLANE6");
                var u = e._getDrawWrapper(i, !0)
                  , h = u.defines
                  , d = n.join("\n");
                return h !== d && u.setEffect(this.scene.getEngine().createEffect("outline", r, ["world", "mBones", "viewProjection", "diffuseMatrix", "offset", "color", "logarithmicDepthConstant", "morphTargetInfluences", "morphTargetTextureInfo", "morphTargetTextureIndices", "vClipPlane", "vClipPlane2", "vClipPlane3", "vClipPlane4", "vClipPlane5", "vClipPlane6"], ["diffuseSampler", "morphTargets"], d, void 0, void 0, void 0, {
                    maxSimultaneousMorphTargets: c
                }), d),
                u.effect.isReady()
            }
            ,
            e.prototype._beforeRenderingMesh = function(t, i, n) {
                if (this._savedDepthWrite = this._engine.getDepthWrite(),
                t.renderOutline) {
                    var r = i.getMaterial();
                    r && r.needAlphaBlendingForMesh(t) && (this._engine.cacheStencilState(),
                    this._engine.setDepthWrite(!1),
                    this._engine.setColorWrite(!1),
                    this._engine.setStencilBuffer(!0),
                    this._engine.setStencilOperationPass(a.REPLACE),
                    this._engine.setStencilFunction(a.ALWAYS),
                    this._engine.setStencilMask(e._StencilReference),
                    this._engine.setStencilFunctionReference(e._StencilReference),
                    this._engine.stencilStateComposer.useStencilGlobalOnly = !0,
                    this.render(i, n, !0, this._passIdForDrawWrapper[1]),
                    this._engine.setColorWrite(!0),
                    this._engine.setStencilFunction(a.NOTEQUAL)),
                    this._engine.setDepthWrite(!1),
                    this.render(i, n, !1, this._passIdForDrawWrapper[0]),
                    this._engine.setDepthWrite(this._savedDepthWrite),
                    r && r.needAlphaBlendingForMesh(t) && (this._engine.stencilStateComposer.useStencilGlobalOnly = !1,
                    this._engine.restoreStencilState())
                }
            }
            ,
            e.prototype._afterRenderingMesh = function(e, t, i) {
                if (e.renderOverlay) {
                    var n = this._engine.getAlphaMode()
                      , r = this._engine.alphaState.alphaBlend;
                    this._engine.setAlphaMode(a.ALPHA_COMBINE),
                    this.render(t, i, !0, this._passIdForDrawWrapper[3]),
                    this._engine.setAlphaMode(n),
                    this._engine.setDepthWrite(this._savedDepthWrite),
                    this._engine.alphaState.alphaBlend = r
                }
                e.renderOutline && this._savedDepthWrite && (this._engine.setDepthWrite(!0),
                this._engine.setColorWrite(!1),
                this.render(t, i, !1, this._passIdForDrawWrapper[2]),
                this._engine.setColorWrite(!0))
            }
            ,
            e._StencilReference = 4,
            e
        }()
          , Vb = function(e) {
            function t(t, i) {
                var n = e.call(this) || this;
                return n.name = t,
                n.animations = new Array,
                n.isPickable = !1,
                n.useAlphaForPicking = !1,
                n.onDisposeObservable = new h,
                n._onAnimationEnd = null,
                n._endAnimation = function() {
                    n._onAnimationEnd && n._onAnimationEnd(),
                    n.disposeWhenFinishedAnimating && n.dispose()
                }
                ,
                n.color = new N(1,1,1,1),
                n.position = x.Zero(),
                n._manager = i,
                n._manager.sprites.push(n),
                n.uniqueId = n._manager.scene.getUniqueId(),
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "size", {
                get: function() {
                    return this.width
                },
                set: function(e) {
                    this.width = e,
                    this.height = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "manager", {
                get: function() {
                    return this._manager
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getClassName = function() {
                return "Sprite"
            }
            ,
            Object.defineProperty(t.prototype, "fromIndex", {
                get: function() {
                    return this._fromIndex
                },
                set: function(e) {
                    this.playAnimation(e, this._toIndex, this._loopAnimation, this._delay, this._onAnimationEnd)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "toIndex", {
                get: function() {
                    return this._toIndex
                },
                set: function(e) {
                    this.playAnimation(this._fromIndex, e, this._loopAnimation, this._delay, this._onAnimationEnd)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "loopAnimation", {
                get: function() {
                    return this._loopAnimation
                },
                set: function(e) {
                    this.playAnimation(this._fromIndex, this._toIndex, e, this._delay, this._onAnimationEnd)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "delay", {
                get: function() {
                    return Math.max(this._delay, 1)
                },
                set: function(e) {
                    this.playAnimation(this._fromIndex, this._toIndex, this._loopAnimation, e, this._onAnimationEnd)
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.playAnimation = function(t, i, n, r, o) {
                void 0 === o && (o = null),
                this._onAnimationEnd = o,
                e.prototype.playAnimation.call(this, t, i, n, r, this._endAnimation)
            }
            ,
            t.prototype.dispose = function() {
                for (var e = 0; e < this._manager.sprites.length; e++)
                    this._manager.sprites[e] == this && this._manager.sprites.splice(e, 1);
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear()
            }
            ,
            t.prototype.serialize = function() {
                var e = {};
                return e.name = this.name,
                e.position = this.position.asArray(),
                e.color = this.color.asArray(),
                e.width = this.width,
                e.height = this.height,
                e.angle = this.angle,
                e.cellIndex = this.cellIndex,
                e.cellRef = this.cellRef,
                e.invertU = this.invertU,
                e.invertV = this.invertV,
                e.disposeWhenFinishedAnimating = this.disposeWhenFinishedAnimating,
                e.isPickable = this.isPickable,
                e.isVisible = this.isVisible,
                e.useAlphaForPicking = this.useAlphaForPicking,
                e.animationStarted = this.animationStarted,
                e.fromIndex = this.fromIndex,
                e.toIndex = this.toIndex,
                e.loopAnimation = this.loopAnimation,
                e.delay = this.delay,
                e
            }
            ,
            t.Parse = function(e, i) {
                var n = new t(e.name,i);
                return n.position = x.FromArray(e.position),
                n.color = N.FromArray(e.color),
                n.width = e.width,
                n.height = e.height,
                n.angle = e.angle,
                n.cellIndex = e.cellIndex,
                n.cellRef = e.cellRef,
                n.invertU = e.invertU,
                n.invertV = e.invertV,
                n.disposeWhenFinishedAnimating = e.disposeWhenFinishedAnimating,
                n.isPickable = e.isPickable,
                n.isVisible = e.isVisible,
                n.useAlphaForPicking = e.useAlphaForPicking,
                n.fromIndex = e.fromIndex,
                n.toIndex = e.toIndex,
                n.loopAnimation = e.loopAnimation,
                n.delay = e.delay,
                e.animationStarted && n.playAnimation(n.fromIndex, n.toIndex, n.loopAnimation, n.delay),
                n
            }
            ,
            t
        }(function() {
            function e() {
                this.width = 1,
                this.height = 1,
                this.angle = 0,
                this.invertU = !1,
                this.invertV = !1,
                this.isVisible = !0,
                this._animationStarted = !1,
                this._loopAnimation = !1,
                this._fromIndex = 0,
                this._toIndex = 0,
                this._delay = 0,
                this._direction = 1,
                this._time = 0,
                this._onBaseAnimationEnd = null,
                this.position = {
                    x: 1,
                    y: 1,
                    z: 1
                },
                this.color = {
                    r: 1,
                    g: 1,
                    b: 1,
                    a: 1
                }
            }
            return Object.defineProperty(e.prototype, "animationStarted", {
                get: function() {
                    return this._animationStarted
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fromIndex", {
                get: function() {
                    return this._fromIndex
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "toIndex", {
                get: function() {
                    return this._toIndex
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "loopAnimation", {
                get: function() {
                    return this._loopAnimation
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "delay", {
                get: function() {
                    return Math.max(this._delay, 1)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.playAnimation = function(e, t, i, n, r) {
                this._fromIndex = e,
                this._toIndex = t,
                this._loopAnimation = i,
                this._delay = n || 1,
                this._animationStarted = !0,
                this._onBaseAnimationEnd = r,
                e < t ? this._direction = 1 : (this._direction = -1,
                this._toIndex = e,
                this._fromIndex = t),
                this.cellIndex = e,
                this._time = 0
            }
            ,
            e.prototype.stopAnimation = function() {
                this._animationStarted = !1
            }
            ,
            e.prototype._animate = function(e) {
                this._animationStarted && (this._time += e,
                this._time > this._delay && (this._time = this._time % this._delay,
                this.cellIndex += this._direction,
                (this._direction > 0 && this.cellIndex > this._toIndex || this._direction < 0 && this.cellIndex < this._fromIndex) && (this._loopAnimation ? this.cellIndex = this._direction > 0 ? this._fromIndex : this._toIndex : (this.cellIndex = this._toIndex,
                this._animationStarted = !1,
                this._onBaseAnimationEnd && this._onBaseAnimationEnd()))))
            }
            ,
            e
        }());
        mn.prototype._internalPickSprites = function(e, t, i, n) {
            if (!Ui)
                return null;
            var r = null;
            if (!n) {
                if (!this.activeCamera)
                    return null;
                n = this.activeCamera
            }
            if (this.spriteManagers.length > 0)
                for (var o = 0; o < this.spriteManagers.length; o++) {
                    var a = this.spriteManagers[o];
                    if (a.isPickable) {
                        var s = a.intersects(e, n, t, i);
                        if (s && s.hit && (i || null == r || !(s.distance >= r.distance)) && (r = s,
                        i))
                            break
                    }
                }
            return r || new Ui
        }
        ,
        mn.prototype._internalMultiPickSprites = function(e, t, i) {
            if (!Ui)
                return null;
            var n = new Array;
            if (!i) {
                if (!this.activeCamera)
                    return null;
                i = this.activeCamera
            }
            if (this.spriteManagers.length > 0)
                for (var r = 0; r < this.spriteManagers.length; r++) {
                    var o = this.spriteManagers[r];
                    if (o.isPickable) {
                        var a = o.multiIntersects(e, i, t);
                        null !== a && (n = n.concat(a))
                    }
                }
            return n
        }
        ,
        mn.prototype.pickSprite = function(e, t, i, n, r) {
            if (!this._tempSpritePickingRay)
                return null;
            this.createPickingRayInCameraSpaceToRef(e, t, this._tempSpritePickingRay, r);
            var o = this._internalPickSprites(this._tempSpritePickingRay, i, n, r);
            return o && (o.ray = this.createPickingRayInCameraSpace(e, t, r)),
            o
        }
        ,
        mn.prototype.pickSpriteWithRay = function(e, t, i, n) {
            if (!this._tempSpritePickingRay)
                return null;
            if (!n) {
                if (!this.activeCamera)
                    return null;
                n = this.activeCamera
            }
            _o.TransformToRef(e, n.getViewMatrix(), this._tempSpritePickingRay);
            var r = this._internalPickSprites(this._tempSpritePickingRay, t, i, n);
            return r && (r.ray = e),
            r
        }
        ,
        mn.prototype.multiPickSprite = function(e, t, i, n) {
            return this.createPickingRayInCameraSpaceToRef(e, t, this._tempSpritePickingRay, n),
            this._internalMultiPickSprites(this._tempSpritePickingRay, i, n)
        }
        ,
        mn.prototype.multiPickSpriteWithRay = function(e, t, i) {
            if (!this._tempSpritePickingRay)
                return null;
            if (!i) {
                if (!this.activeCamera)
                    return null;
                i = this.activeCamera
            }
            return _o.TransformToRef(e, i.getViewMatrix(), this._tempSpritePickingRay),
            this._internalMultiPickSprites(this._tempSpritePickingRay, t, i)
        }
        ,
        mn.prototype.setPointerOverSprite = function(e) {
            this._pointerOverSprite !== e && (this._pointerOverSprite && this._pointerOverSprite.actionManager && this._pointerOverSprite.actionManager.processTrigger(a.ACTION_OnPointerOutTrigger, w.CreateNewFromSprite(this._pointerOverSprite, this)),
            this._pointerOverSprite = e,
            this._pointerOverSprite && this._pointerOverSprite.actionManager && this._pointerOverSprite.actionManager.processTrigger(a.ACTION_OnPointerOverTrigger, w.CreateNewFromSprite(this._pointerOverSprite, this)))
        }
        ,
        mn.prototype.getPointerOverSprite = function() {
            return this._pointerOverSprite
        }
        ;
        var kb = function() {
            function e(e) {
                this.name = Wi.NAME_SPRITE,
                this.scene = e,
                this.scene.spriteManagers = new Array,
                this.scene._tempSpritePickingRay = _o ? _o.Zero() : null,
                this.scene.onBeforeSpritesRenderingObservable = new h,
                this.scene.onAfterSpritesRenderingObservable = new h,
                this._spritePredicate = function(e) {
                    return !!e.actionManager && e.isPickable && e.actionManager.hasPointerTriggers
                }
            }
            return e.prototype.register = function() {
                this.scene._pointerMoveStage.registerStep(Wi.STEP_POINTERMOVE_SPRITE, this, this._pointerMove),
                this.scene._pointerDownStage.registerStep(Wi.STEP_POINTERDOWN_SPRITE, this, this._pointerDown),
                this.scene._pointerUpStage.registerStep(Wi.STEP_POINTERUP_SPRITE, this, this._pointerUp)
            }
            ,
            e.prototype.rebuild = function() {}
            ,
            e.prototype.dispose = function() {
                this.scene.onBeforeSpritesRenderingObservable.clear(),
                this.scene.onAfterSpritesRenderingObservable.clear();
                for (var e = this.scene.spriteManagers; e.length; )
                    e[0].dispose()
            }
            ,
            e.prototype._pickSpriteButKeepRay = function(e, t, i, n, r) {
                var o = this.scene.pickSprite(t, i, this._spritePredicate, n, r);
                return o && (o.ray = e ? e.ray : null),
                o
            }
            ,
            e.prototype._pointerMove = function(e, t, i, n, r) {
                var o = this.scene;
                return n ? o.setPointerOverSprite(null) : (i = this._pickSpriteButKeepRay(i, e, t, !1, o.cameraToUseForPointers || void 0)) && i.hit && i.pickedSprite ? (o.setPointerOverSprite(i.pickedSprite),
                !o.doNotHandleCursors && r && (o._pointerOverSprite && o._pointerOverSprite.actionManager && o._pointerOverSprite.actionManager.hoverCursor ? r.style.cursor = o._pointerOverSprite.actionManager.hoverCursor : r.style.cursor = o.hoverCursor)) : o.setPointerOverSprite(null),
                i
            }
            ,
            e.prototype._pointerDown = function(e, t, i, n) {
                var r = this.scene;
                if (r._pickedDownSprite = null,
                r.spriteManagers.length > 0 && (i = r.pickSprite(e, t, this._spritePredicate, !1, r.cameraToUseForPointers || void 0)) && i.hit && i.pickedSprite && i.pickedSprite.actionManager) {
                    switch (r._pickedDownSprite = i.pickedSprite,
                    n.button) {
                    case 0:
                        i.pickedSprite.actionManager.processTrigger(a.ACTION_OnLeftPickTrigger, w.CreateNewFromSprite(i.pickedSprite, r, n));
                        break;
                    case 1:
                        i.pickedSprite.actionManager.processTrigger(a.ACTION_OnCenterPickTrigger, w.CreateNewFromSprite(i.pickedSprite, r, n));
                        break;
                    case 2:
                        i.pickedSprite.actionManager.processTrigger(a.ACTION_OnRightPickTrigger, w.CreateNewFromSprite(i.pickedSprite, r, n))
                    }
                    i.pickedSprite.actionManager && i.pickedSprite.actionManager.processTrigger(a.ACTION_OnPickDownTrigger, w.CreateNewFromSprite(i.pickedSprite, r, n))
                }
                return i
            }
            ,
            e.prototype._pointerUp = function(e, t, i, n) {
                var r = this.scene;
                if (r.spriteManagers.length > 0) {
                    var o = r.pickSprite(e, t, this._spritePredicate, !1, r.cameraToUseForPointers || void 0);
                    o && (o.hit && o.pickedSprite && o.pickedSprite.actionManager && (o.pickedSprite.actionManager.processTrigger(a.ACTION_OnPickUpTrigger, w.CreateNewFromSprite(o.pickedSprite, r, n)),
                    o.pickedSprite.actionManager && (this.scene._inputManager._isPointerSwiping() || o.pickedSprite.actionManager.processTrigger(a.ACTION_OnPickTrigger, w.CreateNewFromSprite(o.pickedSprite, r, n)))),
                    r._pickedDownSprite && r._pickedDownSprite.actionManager && r._pickedDownSprite !== o.pickedSprite && r._pickedDownSprite.actionManager.processTrigger(a.ACTION_OnPickOutTrigger, w.CreateNewFromSprite(r._pickedDownSprite, r, n)))
                }
                return i
            }
            ,
            e
        }();
        Pt.IncludesShadersStore.imageProcessingCompatibility = "#ifdef IMAGEPROCESSINGPOSTPROCESS\ngl_FragColor.rgb=pow(gl_FragColor.rgb,vec3(2.2));\n#endif\n";
        Pt.ShadersStore.spritesPixelShader = "uniform bool alphaTest;\nvarying vec4 vColor;\nvarying vec2 vUV;\nuniform sampler2D diffuseSampler;\n#include<fogFragmentDeclaration>\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\nvec4 color=texture2D(diffuseSampler,vUV);\nif (alphaTest) \n{\nif (color.a<0.95)\ndiscard;\n}\ncolor*=vColor;\n#include<fogFragment>\ngl_FragColor=color;\n#include<imageProcessingCompatibility>\n#define CUSTOM_FRAGMENT_MAIN_END\n}";
        Pt.ShadersStore.spritesVertexShader = "attribute vec4 position;\nattribute vec2 options;\nattribute vec2 offsets;\nattribute vec2 inverts;\nattribute vec4 cellInfo;\nattribute vec4 color;\nuniform mat4 view;\nuniform mat4 projection;\nvarying vec2 vUV;\nvarying vec4 vColor;\n#include<fogVertexDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\nvec3 viewPos=(view*vec4(position.xyz,1.0)).xyz; \nvec2 cornerPos;\nfloat angle=position.w;\nvec2 size=vec2(options.x,options.y);\nvec2 offset=offsets.xy;\ncornerPos=vec2(offset.x-0.5,offset.y -0.5)*size;\nvec3 rotatedCorner;\nrotatedCorner.x=cornerPos.x*cos(angle)-cornerPos.y*sin(angle);\nrotatedCorner.y=cornerPos.x*sin(angle)+cornerPos.y*cos(angle);\nrotatedCorner.z=0.;\nviewPos+=rotatedCorner;\ngl_Position=projection*vec4(viewPos,1.0); \nvColor=color;\nvec2 uvOffset=vec2(abs(offset.x-inverts.x),abs(1.0-offset.y-inverts.y));\nvec2 uvPlace=cellInfo.xy;\nvec2 uvSize=cellInfo.zw;\nvUV.x=uvPlace.x+uvSize.x*uvOffset.x;\nvUV.y=uvPlace.y+uvSize.y*uvOffset.y;\n#ifdef FOG\nvFogDistance=viewPos;\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}";
        var Gb = function() {
            function e(e, t, i, n) {
                void 0 === i && (i = .01),
                void 0 === n && (n = null),
                this.blendMode = a.ALPHA_COMBINE,
                this.autoResetAlpha = !0,
                this.disableDepthWrite = !1,
                this.fogEnabled = !0,
                this._useVAO = !1,
                this._useInstancing = !1,
                this._vertexBuffers = {},
                this._capacity = t,
                this._epsilon = i,
                this._engine = e,
                this._useInstancing = e.getCaps().instancedArrays,
                this._useVAO = e.getCaps().vertexArrayObject && !e.disableVertexArrayObjects,
                this._scene = n,
                this._drawWrapperBase = new Gt(e),
                this._drawWrapperFog = new Gt(e),
                this._drawWrapperDepth = new Gt(e,!1),
                this._drawWrapperFogDepth = new Gt(e,!1),
                this._useInstancing || this._buildIndexBuffer(),
                this._drawWrapperBase.drawContext && (this._drawWrapperBase.drawContext.useInstancing = this._useInstancing),
                this._drawWrapperFog.drawContext && (this._drawWrapperFog.drawContext.useInstancing = this._useInstancing),
                this._drawWrapperDepth.drawContext && (this._drawWrapperDepth.drawContext.useInstancing = this._useInstancing),
                this._drawWrapperFogDepth.drawContext && (this._drawWrapperFogDepth.drawContext.useInstancing = this._useInstancing),
                this._vertexBufferSize = this._useInstancing ? 16 : 18,
                this._vertexData = new Float32Array(t * this._vertexBufferSize * (this._useInstancing ? 1 : 4)),
                this._buffer = new wi(e,this._vertexData,!0,this._vertexBufferSize);
                var r, o = this._buffer.createVertexBuffer(Bi.PositionKind, 0, 4, this._vertexBufferSize, this._useInstancing), s = this._buffer.createVertexBuffer("options", 4, 2, this._vertexBufferSize, this._useInstancing), l = 6;
                if (this._useInstancing) {
                    var c = new Float32Array([0, 0, 1, 0, 0, 1, 1, 1]);
                    this._spriteBuffer = new wi(e,c,!1,2),
                    r = this._spriteBuffer.createVertexBuffer("offsets", 0, 2)
                } else
                    r = this._buffer.createVertexBuffer("offsets", l, 2, this._vertexBufferSize, this._useInstancing),
                    l += 2;
                var u = this._buffer.createVertexBuffer("inverts", l, 2, this._vertexBufferSize, this._useInstancing)
                  , h = this._buffer.createVertexBuffer("cellInfo", l + 2, 4, this._vertexBufferSize, this._useInstancing)
                  , d = this._buffer.createVertexBuffer(Bi.ColorKind, l + 6, 4, this._vertexBufferSize, this._useInstancing);
                this._vertexBuffers[Bi.PositionKind] = o,
                this._vertexBuffers.options = s,
                this._vertexBuffers.offsets = r,
                this._vertexBuffers.inverts = u,
                this._vertexBuffers.cellInfo = h,
                this._vertexBuffers[Bi.ColorKind] = d,
                this._drawWrapperBase.effect = this._engine.createEffect("sprites", [Bi.PositionKind, "options", "offsets", "inverts", "cellInfo", Bi.ColorKind], ["view", "projection", "textureInfos", "alphaTest"], ["diffuseSampler"], ""),
                this._drawWrapperDepth.effect = this._drawWrapperBase.effect,
                this._drawWrapperDepth.materialContext = this._drawWrapperBase.materialContext,
                this._scene && (this._drawWrapperFog.effect = this._scene.getEngine().createEffect("sprites", [Bi.PositionKind, "options", "offsets", "inverts", "cellInfo", Bi.ColorKind], ["view", "projection", "textureInfos", "alphaTest", "vFogInfos", "vFogColor"], ["diffuseSampler"], "#define FOG"),
                this._drawWrapperFogDepth.effect = this._drawWrapperFog.effect,
                this._drawWrapperFogDepth.materialContext = this._drawWrapperFog.materialContext)
            }
            return Object.defineProperty(e.prototype, "capacity", {
                get: function() {
                    return this._capacity
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.render = function(e, t, i, n, r) {
                if (void 0 === r && (r = null),
                this.texture && this.texture.isReady() && e.length) {
                    var o = this._drawWrapperBase
                      , s = this._drawWrapperDepth
                      , l = !1;
                    this.fogEnabled && this._scene && this._scene.fogEnabled && 0 !== this._scene.fogMode && (o = this._drawWrapperFog,
                    s = this._drawWrapperFogDepth,
                    l = !0);
                    var c = o.effect;
                    if (c.isReady()) {
                        for (var u = this._engine, h = !(!this._scene || !this._scene.useRightHandedSystem), d = this.texture.getBaseSize(), p = Math.min(this._capacity, e.length), f = 0, _ = !0, m = 0; m < p; m++) {
                            var g = e[m];
                            g && g.isVisible && (_ = !1,
                            g._animate(t),
                            this._appendSpriteVertex(f++, g, 0, 0, d, h, r),
                            this._useInstancing || (this._appendSpriteVertex(f++, g, 1, 0, d, h, r),
                            this._appendSpriteVertex(f++, g, 1, 1, d, h, r),
                            this._appendSpriteVertex(f++, g, 0, 1, d, h, r)))
                        }
                        if (!_) {
                            this._buffer.update(this._vertexData);
                            var v = !!u.depthCullingState.cull
                              , y = u.depthCullingState.zOffset
                              , b = u.depthCullingState.zOffsetUnits;
                            if (u.setState(v, y, !1, !1, void 0, void 0, b),
                            u.enableEffect(o),
                            c.setTexture("diffuseSampler", this.texture),
                            c.setMatrix("view", i),
                            c.setMatrix("projection", n),
                            l) {
                                var T = this._scene;
                                c.setFloat4("vFogInfos", T.fogMode, T.fogStart, T.fogEnd, T.fogDensity),
                                c.setColor3("vFogColor", T.fogColor)
                            }
                            this._useVAO ? (this._vertexArrayObject || (this._vertexArrayObject = u.recordVertexArrayObject(this._vertexBuffers, this._indexBuffer, c)),
                            u.bindVertexArrayObject(this._vertexArrayObject, this._indexBuffer)) : u.bindBuffers(this._vertexBuffers, this._indexBuffer, c),
                            u.depthCullingState.depthFunc = u.useReverseDepthBuffer ? a.GEQUAL : a.LEQUAL,
                            this.disableDepthWrite || (c.setBool("alphaTest", !0),
                            u.setColorWrite(!1),
                            u.enableEffect(s),
                            this._useInstancing ? u.drawArraysType(a.MATERIAL_TriangleStripDrawMode, 0, 4, f) : u.drawElementsType(a.MATERIAL_TriangleFillMode, 0, f / 4 * 6),
                            u.enableEffect(o),
                            u.setColorWrite(!0),
                            c.setBool("alphaTest", !1)),
                            u.setAlphaMode(this.blendMode),
                            this._useInstancing ? u.drawArraysType(a.MATERIAL_TriangleStripDrawMode, 0, 4, f) : u.drawElementsType(a.MATERIAL_TriangleFillMode, 0, f / 4 * 6),
                            this.autoResetAlpha && u.setAlphaMode(a.ALPHA_DISABLE),
                            h && this._scene.getEngine().setState(v, y, !1, !0, void 0, void 0, b),
                            u.unbindInstanceAttributes()
                        }
                    }
                }
            }
            ,
            e.prototype._appendSpriteVertex = function(e, t, i, n, r, o, a) {
                var s = e * this._vertexBufferSize;
                if (0 === i ? i = this._epsilon : 1 === i && (i = 1 - this._epsilon),
                0 === n ? n = this._epsilon : 1 === n && (n = 1 - this._epsilon),
                a)
                    a(t, r);
                else {
                    t.cellIndex || (t.cellIndex = 0);
                    var l = r.width / this.cellWidth
                      , c = t.cellIndex / l >> 0;
                    t._xOffset = (t.cellIndex - c * l) * this.cellWidth / r.width,
                    t._yOffset = c * this.cellHeight / r.height,
                    t._xSize = this.cellWidth,
                    t._ySize = this.cellHeight
                }
                this._vertexData[s] = t.position.x,
                this._vertexData[s + 1] = t.position.y,
                this._vertexData[s + 2] = t.position.z,
                this._vertexData[s + 3] = t.angle,
                this._vertexData[s + 4] = t.width,
                this._vertexData[s + 5] = t.height,
                this._useInstancing ? s -= 2 : (this._vertexData[s + 6] = i,
                this._vertexData[s + 7] = n),
                this._vertexData[s + 8] = o ? t.invertU ? 0 : 1 : t.invertU ? 1 : 0,
                this._vertexData[s + 9] = t.invertV ? 1 : 0,
                this._vertexData[s + 10] = t._xOffset,
                this._vertexData[s + 11] = t._yOffset,
                this._vertexData[s + 12] = t._xSize / r.width,
                this._vertexData[s + 13] = t._ySize / r.height,
                this._vertexData[s + 14] = t.color.r,
                this._vertexData[s + 15] = t.color.g,
                this._vertexData[s + 16] = t.color.b,
                this._vertexData[s + 17] = t.color.a
            }
            ,
            e.prototype._buildIndexBuffer = function() {
                for (var e = [], t = 0, i = 0; i < this._capacity; i++)
                    e.push(t),
                    e.push(t + 1),
                    e.push(t + 2),
                    e.push(t),
                    e.push(t + 2),
                    e.push(t + 3),
                    t += 4;
                this._indexBuffer = this._engine.createIndexBuffer(e)
            }
            ,
            e.prototype.rebuild = function() {
                var e;
                for (var t in this._indexBuffer && this._buildIndexBuffer(),
                this._useVAO && (this._vertexArrayObject = void 0),
                this._buffer._rebuild(),
                this._vertexBuffers)
                    this._vertexBuffers[t]._rebuild();
                null === (e = this._spriteBuffer) || void 0 === e || e._rebuild()
            }
            ,
            e.prototype.dispose = function() {
                this._buffer && (this._buffer.dispose(),
                this._buffer = null),
                this._spriteBuffer && (this._spriteBuffer.dispose(),
                this._spriteBuffer = null),
                this._indexBuffer && (this._engine._releaseBuffer(this._indexBuffer),
                this._indexBuffer = null),
                this._vertexArrayObject && (this._engine.releaseVertexArrayObject(this._vertexArrayObject),
                this._vertexArrayObject = null),
                this.texture && (this.texture.dispose(),
                this.texture = null),
                this._drawWrapperBase.dispose(),
                this._drawWrapperFog.dispose(),
                this._drawWrapperDepth.dispose(),
                this._drawWrapperFogDepth.dispose()
            }
            ,
            e
        }()
          , zb = function() {
            function e(e, t, i, n, r, o, a, s, l) {
                void 0 === o && (o = .01),
                void 0 === a && (a = io.TRILINEAR_SAMPLINGMODE),
                void 0 === s && (s = !1),
                void 0 === l && (l = null);
                var c = this;
                this.name = e,
                this.sprites = new Array,
                this.renderingGroupId = 0,
                this.layerMask = 268435455,
                this.isPickable = !1,
                this.onDisposeObservable = new h,
                this._disableDepthWrite = !1,
                this._packedAndReady = !1,
                this._customUpdate = function(e, t) {
                    e.cellRef || (e.cellIndex = 0);
                    var i = e.cellIndex;
                    "number" == typeof i && isFinite(i) && Math.floor(i) === i && (e.cellRef = c._spriteMap[e.cellIndex]),
                    e._xOffset = c._cellData[e.cellRef].frame.x / t.width,
                    e._yOffset = c._cellData[e.cellRef].frame.y / t.height,
                    e._xSize = c._cellData[e.cellRef].frame.w,
                    e._ySize = c._cellData[e.cellRef].frame.h
                }
                ,
                r || (r = E.LastCreatedScene),
                r._getComponent(Wi.NAME_SPRITE) || r._addComponent(new kb(r)),
                this._fromPacked = s,
                this._scene = r;
                var u = this._scene.getEngine();
                if (this._spriteRenderer = new Gb(u,i,o,r),
                n.width && n.height)
                    this.cellWidth = n.width,
                    this.cellHeight = n.height;
                else {
                    if (void 0 === n)
                        return void (this._spriteRenderer = null);
                    this.cellWidth = n,
                    this.cellHeight = n
                }
                this._scene.spriteManagers.push(this),
                this.uniqueId = this.scene.getUniqueId(),
                t && (this.texture = new io(t,r,!0,!1,a)),
                this._fromPacked && this._makePacked(t, l)
            }
            return Object.defineProperty(e.prototype, "onDispose", {
                set: function(e) {
                    this._onDisposeObserver && this.onDisposeObservable.remove(this._onDisposeObserver),
                    this._onDisposeObserver = this.onDisposeObservable.add(e)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "children", {
                get: function() {
                    return this.sprites
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "scene", {
                get: function() {
                    return this._scene
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "capacity", {
                get: function() {
                    return this._spriteRenderer.capacity
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "texture", {
                get: function() {
                    return this._spriteRenderer.texture
                },
                set: function(e) {
                    e.wrapU = io.CLAMP_ADDRESSMODE,
                    e.wrapV = io.CLAMP_ADDRESSMODE,
                    this._spriteRenderer.texture = e,
                    this._textureContent = null
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cellWidth", {
                get: function() {
                    return this._spriteRenderer.cellWidth
                },
                set: function(e) {
                    this._spriteRenderer.cellWidth = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "cellHeight", {
                get: function() {
                    return this._spriteRenderer.cellHeight
                },
                set: function(e) {
                    this._spriteRenderer.cellHeight = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "fogEnabled", {
                get: function() {
                    return this._spriteRenderer.fogEnabled
                },
                set: function(e) {
                    this._spriteRenderer.fogEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "blendMode", {
                get: function() {
                    return this._spriteRenderer.blendMode
                },
                set: function(e) {
                    this._spriteRenderer.blendMode = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "disableDepthWrite", {
                get: function() {
                    return this._disableDepthWrite
                },
                set: function(e) {
                    this._disableDepthWrite = e,
                    this._spriteRenderer.disableDepthWrite = e
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getClassName = function() {
                return "SpriteManager"
            }
            ,
            e.prototype._makePacked = function(e, t) {
                var i = this;
                if (null !== t)
                    try {
                        var n = void 0;
                        if ((n = "string" == typeof t ? JSON.parse(t) : t).frames.length) {
                            for (var r = {}, o = 0; o < n.frames.length; o++) {
                                var a = n.frames[o];
                                if ("string" != typeof Object.keys(a)[0])
                                    throw new Error("Invalid JSON Format.  Check the frame values and make sure the name is the first parameter.");
                                r[a[Object.keys(a)[0]]] = a
                            }
                            n.frames = r
                        }
                        var s = Reflect.ownKeys(n.frames);
                        this._spriteMap = s,
                        this._packedAndReady = !0,
                        this._cellData = n.frames
                    } catch (e) {
                        throw this._fromPacked = !1,
                        this._packedAndReady = !1,
                        new Error("Invalid JSON from string. Spritesheet managed with constant cell size.")
                    }
                else {
                    var l = /\./g
                      , c = void 0;
                    do {
                        c = l.lastIndex,
                        l.test(e)
                    } while (l.lastIndex > 0);
                    var u = e.substring(0, c - 1) + ".json";
                    gi.LoadFile(u, (function(e) {
                        try {
                            var t = JSON.parse(e)
                              , n = Reflect.ownKeys(t.frames);
                            i._spriteMap = n,
                            i._packedAndReady = !0,
                            i._cellData = t.frames
                        } catch (e) {
                            throw i._fromPacked = !1,
                            i._packedAndReady = !1,
                            new Error("Invalid JSON format. Please check documentation for format specifications.")
                        }
                    }
                    ), void 0, void 0, !1, (function() {
                        K.Error("JSON ERROR: Unable to load JSON file."),
                        i._fromPacked = !1,
                        i._packedAndReady = !1
                    }
                    ))
                }
            }
            ,
            e.prototype._checkTextureAlpha = function(e, t, i, n, r) {
                if (!e.useAlphaForPicking || !this.texture)
                    return !0;
                var o = this.texture.getSize();
                this._textureContent || (this._textureContent = new Uint8Array(o.width * o.height * 4),
                this.texture.readPixels(0, 0, this._textureContent));
                var a = I.Vector3[0];
                a.copyFrom(t.direction),
                a.normalize(),
                a.scaleInPlace(i),
                a.addInPlace(t.origin);
                var s = (a.x - n.x) / (r.x - n.x) - .5
                  , l = 1 - (a.y - n.y) / (r.y - n.y) - .5
                  , c = e.angle
                  , u = s * Math.cos(c) - l * Math.sin(c) + .5
                  , h = s * Math.sin(c) + l * Math.cos(c) + .5
                  , d = e._xOffset * o.width + u * e._xSize | 0
                  , p = e._yOffset * o.height + h * e._ySize | 0;
                return this._textureContent[4 * (d + p * o.width) + 3] > .5
            }
            ,
            e.prototype.intersects = function(e, t, i, n) {
                for (var r = Math.min(this.capacity, this.sprites.length), o = x.Zero(), a = x.Zero(), s = Number.MAX_VALUE, l = null, c = I.Vector3[0], u = I.Vector3[1], h = t.getViewMatrix(), d = e, p = e, f = 0; f < r; f++) {
                    var _ = this.sprites[f];
                    if (_) {
                        if (i) {
                            if (!i(_))
                                continue
                        } else if (!_.isPickable)
                            continue;
                        if (x.TransformCoordinatesToRef(_.position, h, u),
                        _.angle ? (P.TranslationToRef(-u.x, -u.y, 0, I.Matrix[1]),
                        P.TranslationToRef(u.x, u.y, 0, I.Matrix[2]),
                        P.RotationZToRef(_.angle, I.Matrix[3]),
                        I.Matrix[1].multiplyToRef(I.Matrix[3], I.Matrix[4]),
                        I.Matrix[4].multiplyToRef(I.Matrix[2], I.Matrix[0]),
                        d = e.clone(),
                        x.TransformCoordinatesToRef(e.origin, I.Matrix[0], d.origin),
                        x.TransformNormalToRef(e.direction, I.Matrix[0], d.direction)) : d = e,
                        o.copyFromFloats(u.x - _.width / 2, u.y - _.height / 2, u.z),
                        a.copyFromFloats(u.x + _.width / 2, u.y + _.height / 2, u.z),
                        d.intersectsBoxMinMax(o, a)) {
                            var m = x.Distance(u, d.origin);
                            if (s > m) {
                                if (!this._checkTextureAlpha(_, d, m, o, a))
                                    continue;
                                if (p = d,
                                s = m,
                                l = _,
                                n)
                                    break
                            }
                        }
                    }
                }
                if (l) {
                    var g = new Ui;
                    h.invertToRef(I.Matrix[0]),
                    g.hit = !0,
                    g.pickedSprite = l,
                    g.distance = s;
                    var v = I.Vector3[2];
                    return v.copyFrom(p.direction),
                    v.normalize(),
                    v.scaleInPlace(s),
                    p.origin.addToRef(v, c),
                    g.pickedPoint = x.TransformCoordinates(c, I.Matrix[0]),
                    g
                }
                return null
            }
            ,
            e.prototype.multiIntersects = function(e, t, i) {
                for (var n, r = Math.min(this.capacity, this.sprites.length), o = x.Zero(), a = x.Zero(), s = [], l = I.Vector3[0].copyFromFloats(0, 0, 0), c = I.Vector3[1].copyFromFloats(0, 0, 0), u = t.getViewMatrix(), h = 0; h < r; h++) {
                    var d = this.sprites[h];
                    if (d) {
                        if (i) {
                            if (!i(d))
                                continue
                        } else if (!d.isPickable)
                            continue;
                        if (x.TransformCoordinatesToRef(d.position, u, c),
                        o.copyFromFloats(c.x - d.width / 2, c.y - d.height / 2, c.z),
                        a.copyFromFloats(c.x + d.width / 2, c.y + d.height / 2, c.z),
                        e.intersectsBoxMinMax(o, a)) {
                            if (n = x.Distance(c, e.origin),
                            !this._checkTextureAlpha(d, e, n, o, a))
                                continue;
                            var p = new Ui;
                            s.push(p),
                            u.invertToRef(I.Matrix[0]),
                            p.hit = !0,
                            p.pickedSprite = d,
                            p.distance = n;
                            var f = I.Vector3[2];
                            f.copyFrom(e.direction),
                            f.normalize(),
                            f.scaleInPlace(n),
                            e.origin.addToRef(f, l),
                            p.pickedPoint = x.TransformCoordinates(l, I.Matrix[0])
                        }
                    }
                }
                return s
            }
            ,
            e.prototype.render = function() {
                if (!this._fromPacked || this._packedAndReady && this._spriteMap && this._cellData) {
                    var e = this._scene.getEngine().getDeltaTime();
                    this._packedAndReady ? this._spriteRenderer.render(this.sprites, e, this._scene.getViewMatrix(), this._scene.getProjectionMatrix(), this._customUpdate) : this._spriteRenderer.render(this.sprites, e, this._scene.getViewMatrix(), this._scene.getProjectionMatrix())
                }
            }
            ,
            e.prototype.rebuild = function() {
                var e;
                null === (e = this._spriteRenderer) || void 0 === e || e.rebuild()
            }
            ,
            e.prototype.dispose = function() {
                this._spriteRenderer && (this._spriteRenderer.dispose(),
                this._spriteRenderer = null),
                this._textureContent = null;
                var e = this._scene.spriteManagers.indexOf(this);
                this._scene.spriteManagers.splice(e, 1),
                this.onDisposeObservable.notifyObservers(this),
                this.onDisposeObservable.clear()
            }
            ,
            e.prototype.serialize = function(e) {
                void 0 === e && (e = !1);
                var t = {};
                t.name = this.name,
                t.capacity = this.capacity,
                t.cellWidth = this.cellWidth,
                t.cellHeight = this.cellHeight,
                this.texture && (e ? t.texture = this.texture.serialize() : (t.textureUrl = this.texture.name,
                t.invertY = this.texture._invertY)),
                t.sprites = [];
                for (var i = 0, n = this.sprites; i < n.length; i++) {
                    var r = n[i];
                    t.sprites.push(r.serialize())
                }
                return t
            }
            ,
            e.Parse = function(t, i, n) {
                var r = new e(t.name,"",t.capacity,{
                    width: t.cellWidth,
                    height: t.cellHeight
                },i);
                t.texture ? r.texture = io.Parse(t.texture, i, n) : t.textureName && (r.texture = new io(n + t.textureUrl,i,!1,void 0 === t.invertY || t.invertY));
                for (var o = 0, a = t.sprites; o < a.length; o++) {
                    var s = a[o];
                    Vb.Parse(s, r)
                }
                return r
            }
            ,
            e.ParseFromFileAsync = function(t, i, n, r) {
                return void 0 === r && (r = ""),
                new Promise((function(o, a) {
                    var s = new Ye;
                    s.addEventListener("readystatechange", (function() {
                        if (4 == s.readyState)
                            if (200 == s.status) {
                                var i = JSON.parse(s.responseText)
                                  , l = e.Parse(i, n || E.LastCreatedScene, r);
                                t && (l.name = t),
                                o(l)
                            } else
                                a("Unable to load the sprite manager")
                    }
                    )),
                    s.open("GET", i),
                    s.send()
                }
                ))
            }
            ,
            e.CreateFromSnippetAsync = function(t, i, n) {
                var r = this;
                return void 0 === n && (n = ""),
                "_BLANK" === t ? Promise.resolve(new e("Default sprite manager","//playground.babylonjs.com/textures/player.png",500,64,i)) : new Promise((function(o, a) {
                    var s = new Ye;
                    s.addEventListener("readystatechange", (function() {
                        if (4 == s.readyState)
                            if (200 == s.status) {
                                var r = JSON.parse(JSON.parse(s.responseText).jsonPayload)
                                  , l = JSON.parse(r.spriteManager)
                                  , c = e.Parse(l, i || E.LastCreatedScene, n);
                                c.snippetId = t,
                                o(c)
                            } else
                                a("Unable to load the snippet " + t)
                    }
                    )),
                    s.open("GET", r.SnippetUrl + "/" + t.replace(/#/g, "/")),
                    s.send()
                }
                ))
            }
            ,
            e.SnippetUrl = "https://snippet.babylonjs.com",
            e
        }();
        Pt.ShadersStore.spriteMapPixelShader = "precision highp float;\nvarying vec3 vPosition;\nvarying vec2 vUV;\nvarying vec2 tUV;\nuniform float time;\nuniform float spriteCount;\nuniform sampler2D spriteSheet;\nuniform vec2 spriteMapSize;\nuniform vec2 outputSize;\nuniform vec2 stageSize;\nuniform sampler2D frameMap;\nuniform sampler2D tileMaps[LAYERS];\nuniform sampler2D animationMap;\nuniform vec3 colorMul;\nfloat mt;\nconst float fdStep=1./4.;\nconst float aFrameSteps=1./MAX_ANIMATION_FRAMES;\nmat4 getFrameData(float frameID){\nfloat fX=frameID/spriteCount;\nreturn mat4(\ntexture2D(frameMap,vec2(fX,0.),0.),\ntexture2D(frameMap,vec2(fX,fdStep*1.),0.),\ntexture2D(frameMap,vec2(fX,fdStep*2.),0.),\nvec4(0.)\n);\n}\nvoid main(){\nvec4 color=vec4(0.);\nvec2 tileUV=fract(tUV);\n#ifdef FLIPU\ntileUV.y=1.0-tileUV.y;\n#endif\nvec2 tileID=floor(tUV);\nvec2 sheetUnits=1./spriteMapSize;\nfloat spriteUnits=1./spriteCount;\nvec2 stageUnits=1./stageSize;\nfor(int i=0; i<LAYERS; i++) {\nfloat frameID;\n#define LAYER_ID_SWITCH\nvec4 animationData=texture2D(animationMap,vec2((frameID+0.5)/spriteCount,0.),0.); \nif(animationData.y>0.) {\nmt=mod(time*animationData.z,1.0);\nfor(float f=0.; f<MAX_ANIMATION_FRAMES; f++){\nif(animationData.y>mt){\nframeID=animationData.x;\nbreak;\n}\nanimationData=texture2D(animationMap,vec2((frameID+0.5)/spriteCount,aFrameSteps*f),0.); \n}\n}\nmat4 frameData=getFrameData(frameID+0.5);\nvec2 frameSize=(frameData[0].wz)/spriteMapSize;\nvec2 offset=frameData[0].xy*sheetUnits;\nvec2 ratio=frameData[2].xy/frameData[0].wz;\nif (frameData[2].z==1.){\ntileUV.xy=tileUV.yx;\n}\nif (i==0){\ncolor=texture2D(spriteSheet,tileUV*frameSize+offset);\n} else {\nvec4 nc=texture2D(spriteSheet,tileUV*frameSize+offset);\nfloat alpha=min(color.a+nc.a,1.0);\nvec3 mixed=mix(color.xyz,nc.xyz,nc.a);\ncolor=vec4(mixed,alpha);\n}\n}\ncolor.xyz*=colorMul;\ngl_FragColor=color;\n}";
        Pt.ShadersStore.spriteMapVertexShader = "precision highp float;\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\nvarying vec3 vPosition;\nvarying vec2 vUV;\nvarying vec2 tUV;\nvarying vec2 stageUnits;\nvarying vec2 levelUnits;\nvarying vec2 tileID;\nuniform float time;\nuniform mat4 worldViewProjection;\nuniform vec2 outputSize;\nuniform vec2 stageSize;\nuniform vec2 spriteMapSize;\nuniform float stageScale;\nvoid main() {\nvec4 p=vec4( position,1. );\nvPosition=p.xyz;\nvUV=uv;\ntUV=uv*stageSize; \ngl_Position=worldViewProjection*p;\n}";
        var Wb, Hb = function() {
            function e(e, t, i, n, r) {
                var o = this;
                this.name = e,
                this.sprites = [],
                this.atlasJSON = t,
                this.sprites = this.atlasJSON.frames,
                this.spriteSheet = i,
                this.options = n,
                n.stageSize = n.stageSize || new A(1,1),
                n.outputSize = n.outputSize || n.stageSize,
                n.outputPosition = n.outputPosition || x.Zero(),
                n.outputRotation = n.outputRotation || x.Zero(),
                n.layerCount = n.layerCount || 1,
                n.maxAnimationFrames = n.maxAnimationFrames || 0,
                n.baseTile = n.baseTile || 0,
                n.flipU = n.flipU || !1,
                n.colorMultiply = n.colorMultiply || new x(1,1,1),
                this._scene = r,
                this._frameMap = this._createFrameBuffer(),
                this._tileMaps = new Array;
                for (var a = 0; a < n.layerCount; a++)
                    this._tileMaps.push(this._createTileBuffer(null, a));
                this._animationMap = this._createTileAnimationBuffer(null);
                var s = [];
                s.push("#define LAYERS " + n.layerCount),
                n.flipU && s.push("#define FLIPU"),
                s.push("#define MAX_ANIMATION_FRAMES ".concat(n.maxAnimationFrames, ".0"));
                var l, c = Mt.ShadersStore.spriteMapPixelShader;
                if (r.getEngine()._features.supportSwitchCaseInShader) {
                    for (l = "switch(i) {",
                    a = 0; a < n.layerCount; a++)
                        l += "case " + a + " : frameID = texture(tileMaps[" + a + "], (tileID + 0.5) / stageSize, 0.).x;",
                        l += "break;";
                    l += "}"
                } else {
                    l = "";
                    for (a = 0; a < n.layerCount; a++)
                        l += "if (".concat(a, " == i) { frameID = texture2D(tileMaps[").concat(a, "], (tileID + 0.5) / stageSize, 0.).x; }")
                }
                Mt.ShadersStore["spriteMap" + this.name + "PixelShader"] = c.replace("#define LAYER_ID_SWITCH", l),
                this._material = new jl("spriteMap:" + this.name,this._scene,{
                    vertex: "spriteMap",
                    fragment: "spriteMap" + this.name
                },{
                    defines: s,
                    attributes: ["position", "normal", "uv"],
                    uniforms: ["worldViewProjection", "time", "stageSize", "outputSize", "spriteMapSize", "spriteCount", "time", "colorMul", "mousePosition", "curTile", "flipU"],
                    samplers: ["spriteSheet", "frameMap", "tileMaps", "animationMap"],
                    needAlphaBlending: !0
                }),
                this._time = 0,
                this._material.setFloat("spriteCount", this.spriteCount),
                this._material.setVector2("stageSize", n.stageSize),
                this._material.setVector2("outputSize", n.outputSize),
                this._material.setTexture("spriteSheet", this.spriteSheet),
                this._material.setVector2("spriteMapSize", new A(1,1)),
                this._material.setVector3("colorMul", n.colorMultiply);
                var u = 0
                  , h = function() {
                    o.spriteSheet && o.spriteSheet.isReady() && o.spriteSheet._texture ? o._material.setVector2("spriteMapSize", new A(o.spriteSheet._texture.baseWidth || 1,o.spriteSheet._texture.baseHeight || 1)) : u < 100 && setTimeout((function() {
                        u++,
                        h()
                    }
                    ), 100)
                };
                h(),
                this._material.setVector3("colorMul", n.colorMultiply),
                this._material.setTexture("frameMap", this._frameMap),
                this._material.setTextureArray("tileMaps", this._tileMaps),
                this._material.setTexture("animationMap", this._animationMap),
                this._material.setFloat("time", this._time),
                this._output = vo(e + ":output", {
                    size: 1,
                    updatable: !0
                }, r),
                this._output.scaling.x = n.outputSize.x,
                this._output.scaling.y = n.outputSize.y,
                this.position = n.outputPosition,
                this.rotation = n.outputRotation,
                this._scene.onBeforeRenderObservable.add((function() {
                    o._time += o._scene.getEngine().getDeltaTime(),
                    o._material.setFloat("time", o._time)
                }
                )),
                this._output.material = this._material
            }
            return Object.defineProperty(e.prototype, "spriteCount", {
                get: function() {
                    return this.sprites.length
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "position", {
                get: function() {
                    return this._output.position
                },
                set: function(e) {
                    this._output.position = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "rotation", {
                get: function() {
                    return this._output.rotation
                },
                set: function(e) {
                    this._output.rotation = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "animationMap", {
                get: function() {
                    return this._animationMap
                },
                set: function(e) {
                    var t = e._texture._bufferView
                      , i = this._createTileAnimationBuffer(t);
                    this._animationMap.dispose(),
                    this._animationMap = i,
                    this._material.setTexture("animationMap", this._animationMap)
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getTileID = function() {
                var e = this.getMousePosition();
                return e.multiplyInPlace(this.options.stageSize || A.Zero()),
                e.x = Math.floor(e.x),
                e.y = Math.floor(e.y),
                e
            }
            ,
            e.prototype.getMousePosition = function() {
                var e = this._output
                  , t = this._scene.pick(this._scene.pointerX, this._scene.pointerY, (function(t) {
                    return t === e
                }
                ));
                return t && t.hit && t.getTextureCoordinates && t.getTextureCoordinates() || new A(-1,-1)
            }
            ,
            e.prototype._createFrameBuffer = function() {
                for (var e = new Array, t = 0; t < this.spriteCount; t++)
                    e.push(0, 0, 0, 0),
                    e.push(0, 0, 0, 0),
                    e.push(0, 0, 0, 0),
                    e.push(0, 0, 0, 0);
                for (t = 0; t < this.spriteCount; t++) {
                    var i = this.sprites[t].frame
                      , n = this.sprites[t].spriteSourceSize
                      , r = this.sprites[t].sourceSize
                      , o = this.sprites[t].rotated ? 1 : 0
                      , a = this.sprites[t].trimmed ? 1 : 0;
                    e[4 * t] = i.x,
                    e[4 * t + 1] = i.y,
                    e[4 * t + 2] = i.w,
                    e[4 * t + 3] = i.h,
                    e[4 * t + 4 * this.spriteCount] = n.x,
                    e[4 * t + 1 + 4 * this.spriteCount] = n.y,
                    e[4 * t + 3 + 4 * this.spriteCount] = n.h,
                    e[4 * t + 8 * this.spriteCount] = r.w,
                    e[4 * t + 1 + 8 * this.spriteCount] = r.h,
                    e[4 * t + 2 + 8 * this.spriteCount] = o,
                    e[4 * t + 3 + 8 * this.spriteCount] = a
                }
                var s = new Float32Array(e);
                return ao.CreateRGBATexture(s, this.spriteCount, 4, this._scene, !1, !1, io.NEAREST_NEAREST, vr.TEXTURETYPE_FLOAT)
            }
            ,
            e.prototype._createTileBuffer = function(e, t) {
                void 0 === t && (t = 0);
                var i = new Array
                  , n = this.options.stageSize.y || 0
                  , r = this.options.stageSize.x || 0;
                if (e)
                    i = e;
                else {
                    var o = this.options.baseTile;
                    0 != t && (o = 0);
                    for (var a = 0; a < n; a++)
                        for (var s = 0; s < 4 * r; s += 4)
                            i.push(o, 0, 0, 0)
                }
                var l = new Float32Array(i);
                return ao.CreateRGBATexture(l, r, n, this._scene, !1, !1, io.NEAREST_NEAREST, vr.TEXTURETYPE_FLOAT)
            }
            ,
            e.prototype.changeTiles = function(e, t, i) {
                void 0 === e && (e = 0),
                void 0 === i && (i = 0);
                var n = this._tileMaps[e]._texture._bufferView;
                if (null !== n) {
                    var r = new Array;
                    t instanceof A ? r.push(t) : r = t;
                    for (var o = this.options.stageSize.x || 0, a = 0; a < r.length; a++) {
                        var s = r[a];
                        s.x = Math.floor(s.x),
                        s.y = Math.floor(s.y),
                        n[4 * s.x + s.y * (4 * o)] = i
                    }
                    var l = this._createTileBuffer(n);
                    this._tileMaps[e].dispose(),
                    this._tileMaps[e] = l,
                    this._material.setTextureArray("tileMap", this._tileMaps)
                }
            }
            ,
            e.prototype._createTileAnimationBuffer = function(e) {
                var t, i = new Array;
                if (e)
                    t = e;
                else {
                    for (var n = 0; n < this.spriteCount; n++) {
                        i.push(0, 0, 0, 0);
                        for (var r = 1; r < (this.options.maxAnimationFrames || 4); )
                            i.push(0, 0, 0, 0),
                            r++
                    }
                    t = new Float32Array(i)
                }
                return ao.CreateRGBATexture(t, this.spriteCount, this.options.maxAnimationFrames || 4, this._scene, !1, !1, io.NEAREST_NEAREST, vr.TEXTURETYPE_FLOAT)
            }
            ,
            e.prototype.addAnimationToTile = function(e, t, i, n, r) {
                void 0 === e && (e = 0),
                void 0 === t && (t = 0),
                void 0 === i && (i = 0),
                void 0 === n && (n = 0),
                void 0 === r && (r = 1);
                var o = this._animationMap._texture._bufferView
                  , a = 4 * e + 4 * this.spriteCount * t;
                if (o) {
                    o[a] = i,
                    o[a + 1] = n,
                    o[a + 2] = r;
                    var s = this._createTileAnimationBuffer(o);
                    this._animationMap.dispose(),
                    this._animationMap = s,
                    this._material.setTexture("animationMap", this._animationMap)
                }
            }
            ,
            e.prototype.saveTileMaps = function() {
                for (var e = "", t = 0; t < this._tileMaps.length; t++)
                    t > 0 && (e += "\n\r"),
                    e += this._tileMaps[t]._texture._bufferView.toString();
                var i = document.createElement("a");
                i.href = "data:octet/stream;charset=utf-8," + encodeURI(e),
                i.target = "_blank",
                i.download = this.name + ".tilemaps",
                i.click(),
                i.remove()
            }
            ,
            e.prototype.loadTileMaps = function(e) {
                var t = this
                  , i = new XMLHttpRequest;
                i.open("GET", e);
                var n = this.options.layerCount || 0;
                i.onload = function() {
                    for (var e = i.response.split("\n\r"), r = 0; r < n; r++) {
                        var o = e[r].split(",").map(Number)
                          , a = t._createTileBuffer(o);
                        t._tileMaps[r].dispose(),
                        t._tileMaps[r] = a
                    }
                    t._material.setTextureArray("tileMap", t._tileMaps)
                }
                ,
                i.send()
            }
            ,
            e.prototype.dispose = function() {
                this._output.dispose(),
                this._material.dispose(),
                this._animationMap.dispose(),
                this._tileMaps.forEach((function(e) {
                    e.dispose()
                }
                )),
                this._frameMap.dispose()
            }
            ,
            e
        }(), Xb = function(e) {
            function t(t, i, n, r, o, a, s) {
                void 0 === o && (o = null),
                void 0 === a && (a = .01),
                void 0 === s && (s = io.TRILINEAR_SAMPLINGMODE);
                var l = e.call(this, t, i, n, 64, r, a, s, !0, o) || this;
                return l.name = t,
                l
            }
            return U(t, e),
            t
        }(zb);
        !function(e) {
            e[e.INIT = 0] = "INIT",
            e[e.RUNNING = 1] = "RUNNING",
            e[e.DONE = 2] = "DONE",
            e[e.ERROR = 3] = "ERROR"
        }(Wb || (Wb = {}));
        var jb = function() {
            function e(e) {
                this.name = e,
                this._isCompleted = !1,
                this._taskState = Wb.INIT
            }
            return Object.defineProperty(e.prototype, "isCompleted", {
                get: function() {
                    return this._isCompleted
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "taskState", {
                get: function() {
                    return this._taskState
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "errorObject", {
                get: function() {
                    return this._errorObject
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype._setErrorObject = function(e, t) {
                this._errorObject || (this._errorObject = {
                    message: e,
                    exception: t
                })
            }
            ,
            e.prototype.run = function(e, t, i) {
                var n = this;
                this._taskState = Wb.RUNNING,
                this.runTask(e, (function() {
                    n._onDoneCallback(t, i)
                }
                ), (function(e, t) {
                    n._onErrorCallback(i, e, t)
                }
                ))
            }
            ,
            e.prototype.runTask = function(e, t, i) {
                throw new Error("runTask is not implemented")
            }
            ,
            e.prototype.reset = function() {
                this._taskState = Wb.INIT
            }
            ,
            e.prototype._onErrorCallback = function(e, t, i) {
                this._taskState = Wb.ERROR,
                this._errorObject = {
                    message: t,
                    exception: i
                },
                this.onError && this.onError(this, t, i),
                e()
            }
            ,
            e.prototype._onDoneCallback = function(e, t) {
                try {
                    this._taskState = Wb.DONE,
                    this._isCompleted = !0,
                    this.onSuccess && this.onSuccess(this),
                    e()
                } catch (e) {
                    this._onErrorCallback(t, "Task is done, error executing success callback(s)", e)
                }
            }
            ,
            e
        }()
          , Yb = function(e, t, i) {
            this.remainingCount = e,
            this.totalCount = t,
            this.task = i
        }
          , Kb = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t) || this;
                return o.name = t,
                o.meshesNames = i,
                o.rootUrl = n,
                o.sceneFilename = r,
                o
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                var n = this;
                od.LoadAssetContainer(this.rootUrl, this.sceneFilename, e, (function(e) {
                    n.loadedContainer = e,
                    n.loadedMeshes = e.meshes,
                    n.loadedParticleSystems = e.particleSystems,
                    n.loadedSkeletons = e.skeletons,
                    n.loadedAnimationGroups = e.animationGroups,
                    t()
                }
                ), null, (function(e, t, n) {
                    i(t, n)
                }
                ))
            }
            ,
            t
        }(jb)
          , Qb = function(e) {
            function t(t, i, n, r) {
                var o = e.call(this, t) || this;
                return o.name = t,
                o.meshesNames = i,
                o.rootUrl = n,
                o.sceneFilename = r,
                o
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                var n = this;
                od.ImportMesh(this.meshesNames, this.rootUrl, this.sceneFilename, e, (function(e, i, r, o) {
                    n.loadedMeshes = e,
                    n.loadedParticleSystems = i,
                    n.loadedSkeletons = r,
                    n.loadedAnimationGroups = o,
                    t()
                }
                ), null, (function(e, t, n) {
                    i(t, n)
                }
                ))
            }
            ,
            t
        }(jb)
          , qb = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.name = t,
                n.url = i,
                n
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                var n = this;
                e._loadFile(this.url, (function(e) {
                    n.text = e,
                    t()
                }
                ), void 0, !1, !1, (function(e, t) {
                    e && i(e.status + " " + e.statusText, t)
                }
                ))
            }
            ,
            t
        }(jb)
          , Zb = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.name = t,
                n.url = i,
                n
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                var n = this;
                e._loadFile(this.url, (function(e) {
                    n.data = e,
                    t()
                }
                ), void 0, !0, !0, (function(e, t) {
                    e && i(e.status + " " + e.statusText, t)
                }
                ))
            }
            ,
            t
        }(jb)
          , Jb = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.name = t,
                n.url = i,
                n
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                var n = this
                  , r = new Image;
                gi.SetCorsBehavior(this.url, r),
                r.onload = function() {
                    n.image = r,
                    t()
                }
                ,
                r.onerror = function(e) {
                    i("Error loading image", e)
                }
                ,
                r.src = this.url
            }
            ,
            t
        }(jb)
          , $b = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = !0),
                void 0 === o && (o = io.TRILINEAR_SAMPLINGMODE);
                var a = e.call(this, t) || this;
                return a.name = t,
                a.url = i,
                a.noMipmap = n,
                a.invertY = r,
                a.samplingMode = o,
                a
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                this.texture = new io(this.url,e,this.noMipmap,this.invertY,this.samplingMode,(function() {
                    t()
                }
                ),(function(e, t) {
                    i(e, t)
                }
                ))
            }
            ,
            t
        }(jb)
          , eT = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t) || this;
                return s.name = t,
                s.url = i,
                s.extensions = n,
                s.noMipmap = r,
                s.files = o,
                s.prefiltered = a,
                s
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                this.texture = new Bd(this.url,e,this.extensions,this.noMipmap,this.files,(function() {
                    t()
                }
                ),(function(e, t) {
                    i(e, t)
                }
                ),void 0,this.prefiltered)
            }
            ,
            t
        }(jb)
          , tT = function(e) {
            function t(t, i, n, r, o, a, s) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0),
                void 0 === a && (a = !1),
                void 0 === s && (s = !1);
                var l = e.call(this, t) || this;
                return l.name = t,
                l.url = i,
                l.size = n,
                l.noMipmap = r,
                l.generateHarmonics = o,
                l.gammaSpace = a,
                l.reserved = s,
                l
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                this.texture = new E_(this.url,e,this.size,this.noMipmap,this.generateHarmonics,this.gammaSpace,this.reserved,(function() {
                    t()
                }
                ),(function(e, t) {
                    i(e, t)
                }
                ))
            }
            ,
            t
        }(jb)
          , iT = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !0);
                var a = e.call(this, t) || this;
                return a.name = t,
                a.url = i,
                a.size = n,
                a.noMipmap = r,
                a.gammaSpace = o,
                a
            }
            return U(t, e),
            t.prototype.runTask = function(e, t, i) {
                this.texture = new K_(this.url,e,this.size,this.noMipmap,this.gammaSpace,(function() {
                    t()
                }
                ),(function(e, t) {
                    i(e, t)
                }
                ))
            }
            ,
            t
        }(jb)
          , nT = function() {
            function e(e) {
                this._isLoading = !1,
                this._tasks = new Array,
                this._waitingTasksCount = 0,
                this._totalTasksCount = 0,
                this.onTaskSuccessObservable = new h,
                this.onTaskErrorObservable = new h,
                this.onTasksDoneObservable = new h,
                this.onProgressObservable = new h,
                this.useDefaultLoadingScreen = !0,
                this.autoHideLoadingUI = !0,
                this._scene = e || E.LastCreatedScene
            }
            return e.prototype.addContainerTask = function(e, t, i, n) {
                var r = new Kb(e,t,i,n);
                return this._tasks.push(r),
                r
            }
            ,
            e.prototype.addMeshTask = function(e, t, i, n) {
                var r = new Qb(e,t,i,n);
                return this._tasks.push(r),
                r
            }
            ,
            e.prototype.addTextFileTask = function(e, t) {
                var i = new qb(e,t);
                return this._tasks.push(i),
                i
            }
            ,
            e.prototype.addBinaryFileTask = function(e, t) {
                var i = new Zb(e,t);
                return this._tasks.push(i),
                i
            }
            ,
            e.prototype.addImageTask = function(e, t) {
                var i = new Jb(e,t);
                return this._tasks.push(i),
                i
            }
            ,
            e.prototype.addTextureTask = function(e, t, i, n, r) {
                void 0 === r && (r = io.TRILINEAR_SAMPLINGMODE);
                var o = new $b(e,t,i,n,r);
                return this._tasks.push(o),
                o
            }
            ,
            e.prototype.addCubeTextureTask = function(e, t, i, n, r, o) {
                var a = new eT(e,t,i,n,r,o);
                return this._tasks.push(a),
                a
            }
            ,
            e.prototype.addHDRCubeTextureTask = function(e, t, i, n, r, o, a) {
                void 0 === n && (n = !1),
                void 0 === r && (r = !0),
                void 0 === o && (o = !1),
                void 0 === a && (a = !1);
                var s = new tT(e,t,i,n,r,o,a);
                return this._tasks.push(s),
                s
            }
            ,
            e.prototype.addEquiRectangularCubeTextureAssetTask = function(e, t, i, n, r) {
                void 0 === n && (n = !1),
                void 0 === r && (r = !0);
                var o = new iT(e,t,i,n,r);
                return this._tasks.push(o),
                o
            }
            ,
            e.prototype.removeTask = function(e) {
                var t = this._tasks.indexOf(e);
                t > -1 && this._tasks.splice(t, 1)
            }
            ,
            e.prototype._decreaseWaitingTasksCount = function(e) {
                this._waitingTasksCount--;
                try {
                    this.onProgress && this.onProgress(this._waitingTasksCount, this._totalTasksCount, e),
                    this.onProgressObservable.notifyObservers(new Yb(this._waitingTasksCount,this._totalTasksCount,e))
                } catch (e) {
                    K.Error("Error running progress callbacks."),
                    console.log(e)
                }
                if (0 === this._waitingTasksCount) {
                    try {
                        var t = this._tasks.slice();
                        this.onFinish && this.onFinish(t);
                        for (var i = 0, n = t; i < n.length; i++) {
                            var r = n[i];
                            if (r.taskState === Wb.DONE) {
                                var o = this._tasks.indexOf(r);
                                o > -1 && this._tasks.splice(o, 1)
                            }
                        }
                        this.onTasksDoneObservable.notifyObservers(this._tasks)
                    } catch (e) {
                        K.Error("Error running tasks-done callbacks."),
                        console.log(e)
                    }
                    this._isLoading = !1,
                    this.autoHideLoadingUI && this._scene.getEngine().hideLoadingUI()
                }
            }
            ,
            e.prototype._runTask = function(e) {
                var t = this
                  , i = function(i, n) {
                    e._setErrorObject(i, n),
                    t.onTaskError ? t.onTaskError(e) : e.onError || K.Error(t._formatTaskErrorMessage(e)),
                    t.onTaskErrorObservable.notifyObservers(e),
                    t._decreaseWaitingTasksCount(e)
                };
                e.run(this._scene, (function() {
                    try {
                        t.onTaskSuccess && t.onTaskSuccess(e),
                        t.onTaskSuccessObservable.notifyObservers(e),
                        t._decreaseWaitingTasksCount(e)
                    } catch (e) {
                        i("Error executing task success callbacks", e)
                    }
                }
                ), i)
            }
            ,
            e.prototype._formatTaskErrorMessage = function(e) {
                var t = "Unable to complete task " + e.name;
                return e.errorObject.message && (t += ": ".concat(e.errorObject.message)),
                e.errorObject.exception && (t += ": ".concat(e.errorObject.exception)),
                t
            }
            ,
            e.prototype.reset = function() {
                return this._isLoading = !1,
                this._tasks = new Array,
                this
            }
            ,
            e.prototype.load = function() {
                if (this._isLoading)
                    return this;
                if (this._isLoading = !0,
                this._waitingTasksCount = this._tasks.length,
                this._totalTasksCount = this._tasks.length,
                0 === this._waitingTasksCount)
                    return this._isLoading = !1,
                    this.onFinish && this.onFinish(this._tasks),
                    this.onTasksDoneObservable.notifyObservers(this._tasks),
                    this;
                this.useDefaultLoadingScreen && this._scene.getEngine().displayLoadingUI();
                for (var e = 0; e < this._tasks.length; e++) {
                    var t = this._tasks[e];
                    t.taskState === Wb.INIT && this._runTask(t)
                }
                return this
            }
            ,
            e.prototype.loadAsync = function() {
                var e = this;
                return new Promise((function(t, i) {
                    e._isLoading ? t() : (e.onTasksDoneObservable.addOnce((function(e) {
                        e && e.length ? i(e) : t()
                    }
                    )),
                    e.load())
                }
                ))
            }
            ,
            e
        }()
          , rT = function() {
            function e() {
                var e = this;
                this.promise = new Promise((function(t, i) {
                    e._resolve = t,
                    e._reject = i
                }
                ))
            }
            return Object.defineProperty(e.prototype, "resolve", {
                get: function() {
                    return this._resolve
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "reject", {
                get: function() {
                    return this._reject
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }()
          , oT = function() {
            function e(e, t) {
                this._meshesOrigins = [],
                this._toCenterVectors = [],
                this._scaledDirection = x.Zero(),
                this._newPosition = x.Zero(),
                this._centerPosition = x.Zero(),
                this._meshes = e.slice(),
                t ? this._centerMesh = t : this._setCenterMesh();
                var i = this._meshes.indexOf(this._centerMesh);
                i >= 0 && this._meshes.splice(i, 1),
                this._centerPosition = this._centerMesh.getAbsolutePosition().clone();
                for (var n = 0; n < this._meshes.length; n++)
                    if (this._meshes[n]) {
                        var r = this._meshes[n];
                        this._meshesOrigins[n] = r.getAbsolutePosition().clone(),
                        this._toCenterVectors[n] = x.Zero(),
                        r.hasBoundingInfo && this._centerMesh.hasBoundingInfo && r.getBoundingInfo().boundingBox.centerWorld.subtractToRef(this._centerMesh.getBoundingInfo().boundingBox.centerWorld, this._toCenterVectors[n])
                    }
            }
            return e.prototype._setCenterMesh = function() {
                for (var e = x.Zero(), t = x.Zero(), i = Number.MAX_VALUE, n = 0; n < this._meshes.length; n++)
                    this._meshes[n] && (o = (r = this._meshes[n]).getBoundingInfo()) && t.addInPlace(o.boundingBox.centerWorld);
                for (e = t.scale(1 / this._meshes.length),
                n = 0; n < this._meshes.length; n++) {
                    var r, o;
                    if (this._meshes[n] && (o = (r = this._meshes[n]).getBoundingInfo())) {
                        var a = o.boundingBox.centerWorld.subtract(e).lengthSquared();
                        a < i && (this._centerMesh = r,
                        i = a)
                    }
                }
            }
            ,
            e.prototype.getClassName = function() {
                return "MeshExploder"
            }
            ,
            e.prototype.getMeshes = function() {
                var e = this._meshes.slice();
                return e.unshift(this._centerMesh),
                e
            }
            ,
            e.prototype.explode = function(e) {
                void 0 === e && (e = 1);
                for (var t = 0; t < this._meshes.length; t++)
                    this._meshes[t] && this._meshesOrigins[t] && this._toCenterVectors[t] && (this._toCenterVectors[t].scaleToRef(e, this._scaledDirection),
                    this._meshesOrigins[t].addToRef(this._scaledDirection, this._newPosition),
                    this._meshes[t].setAbsolutePosition(this._newPosition));
                this._centerMesh.setAbsolutePosition(this._centerPosition)
            }
            ,
            e
        }()
          , aT = function() {
            function e(e, t, i, n, r, o, a, s, l) {
                var c = this;
                this.onProcessFileCallback = function() {
                    return !0
                }
                ,
                this.loadAsync = function(e, t) {
                    return od.LoadAsync("file:", e, c._engine, t)
                }
                ,
                this._engine = e,
                this._currentScene = t,
                this._sceneLoadedCallback = i,
                this._progressCallback = n,
                this._additionalRenderLoopLogicCallback = r,
                this._textureLoadingCallback = o,
                this._startingProcessingFilesCallback = a,
                this._onReloadCallback = s,
                this._errorCallback = l
            }
            return Object.defineProperty(e, "FilesToLoad", {
                get: function() {
                    return ut.FilesToLoad
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.monitorElementForDragNDrop = function(e) {
                var t = this;
                e && (this._elementToMonitor = e,
                this._dragEnterHandler = function(e) {
                    t._drag(e)
                }
                ,
                this._dragOverHandler = function(e) {
                    t._drag(e)
                }
                ,
                this._dropHandler = function(e) {
                    t._drop(e)
                }
                ,
                this._elementToMonitor.addEventListener("dragenter", this._dragEnterHandler, !1),
                this._elementToMonitor.addEventListener("dragover", this._dragOverHandler, !1),
                this._elementToMonitor.addEventListener("drop", this._dropHandler, !1))
            }
            ,
            Object.defineProperty(e.prototype, "filesToLoad", {
                get: function() {
                    return this._filesToLoad
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this._elementToMonitor && (this._elementToMonitor.removeEventListener("dragenter", this._dragEnterHandler),
                this._elementToMonitor.removeEventListener("dragover", this._dragOverHandler),
                this._elementToMonitor.removeEventListener("drop", this._dropHandler))
            }
            ,
            e.prototype._renderFunction = function() {
                if (this._additionalRenderLoopLogicCallback && this._additionalRenderLoopLogicCallback(),
                this._currentScene) {
                    if (this._textureLoadingCallback) {
                        var e = this._currentScene.getWaitingItemsCount();
                        e > 0 && this._textureLoadingCallback(e)
                    }
                    this._currentScene.render()
                }
            }
            ,
            e.prototype._drag = function(e) {
                e.stopPropagation(),
                e.preventDefault()
            }
            ,
            e.prototype._drop = function(e) {
                e.stopPropagation(),
                e.preventDefault(),
                this.loadFiles(e)
            }
            ,
            e.prototype._traverseFolder = function(e, t, i, n) {
                var r = this
                  , o = e.createReader()
                  , a = e.fullPath.replace(/^\//, "").replace(/(.+?)\/?$/, "$1/");
                o.readEntries((function(e) {
                    i.count += e.length;
                    for (var o = 0, s = e; o < s.length; o++) {
                        var l = s[o];
                        l.isFile ? l.file((function(e) {
                            e.correctName = a + e.name,
                            t.push(e),
                            0 == --i.count && n()
                        }
                        )) : l.isDirectory && r._traverseFolder(l, t, i, n)
                    }
                    0 == --i.count && n()
                }
                ))
            }
            ,
            e.prototype._processFiles = function(t) {
                for (var i = this, n = 0; n < t.length; n++) {
                    var r = t[n].correctName.toLowerCase()
                      , o = r.split(".").pop();
                    this.onProcessFileCallback(t[n], r, o, (function(e) {
                        return i._sceneFileToLoad = e
                    }
                    )) && (od.IsPluginForExtensionAvailable("." + o) && (this._sceneFileToLoad = t[n]),
                    e.FilesToLoad[r] = t[n])
                }
            }
            ,
            e.prototype.loadFiles = function(e) {
                var t = this;
                if (e && e.dataTransfer && e.dataTransfer.files && (this._filesToLoad = e.dataTransfer.files),
                e && e.target && e.target.files && (this._filesToLoad = e.target.files),
                this._filesToLoad && 0 !== this._filesToLoad.length && (this._startingProcessingFilesCallback && this._startingProcessingFilesCallback(this._filesToLoad),
                this._filesToLoad && this._filesToLoad.length > 0)) {
                    for (var i = new Array, n = [], r = e.dataTransfer ? e.dataTransfer.items : null, o = 0; o < this._filesToLoad.length; o++) {
                        var a = this._filesToLoad[o]
                          , s = a.name.toLowerCase()
                          , l = void 0;
                        if (a.correctName = s,
                        r) {
                            var c = r[o];
                            c.getAsEntry ? l = c.getAsEntry() : c.webkitGetAsEntry && (l = c.webkitGetAsEntry())
                        }
                        l && l.isDirectory ? n.push(l) : i.push(a)
                    }
                    if (0 === n.length)
                        this._processFiles(i),
                        this._processReload();
                    else
                        for (var u = {
                            count: n.length
                        }, h = 0, d = n; h < d.length; h++) {
                            var p = d[h];
                            this._traverseFolder(p, i, u, (function() {
                                t._processFiles(i),
                                0 === u.count && t._processReload()
                            }
                            ))
                        }
                }
            }
            ,
            e.prototype._processReload = function() {
                this._onReloadCallback ? this._onReloadCallback(this._sceneFileToLoad) : this.reload()
            }
            ,
            e.prototype.reload = function() {
                var e = this;
                this._sceneFileToLoad ? (this._currentScene && (K.errorsCount > 0 && K.ClearLogCache(),
                this._engine.stopRenderLoop()),
                od.ShowLoadingScreen = !1,
                this._engine.displayLoadingUI(),
                this.loadAsync(this._sceneFileToLoad, this._progressCallback).then((function(t) {
                    e._currentScene && e._currentScene.dispose(),
                    e._currentScene = t,
                    e._sceneLoadedCallback && e._sceneLoadedCallback(e._sceneFileToLoad, e._currentScene),
                    e._currentScene.executeWhenReady((function() {
                        e._engine.hideLoadingUI(),
                        e._engine.runRenderLoop((function() {
                            e._renderFunction()
                        }
                        ))
                    }
                    ))
                }
                )).catch((function(t) {
                    e._engine.hideLoadingUI(),
                    e._errorCallback && e._errorCallback(e._sceneFileToLoad, e._currentScene, t.message)
                }
                ))) : K.Error("Please provide a valid .babylon file.")
            }
            ,
            e
        }()
          , sT = function() {
            function e(e) {
                void 0 === e && (e = 0),
                this.priority = e
            }
            return e.prototype.getDescription = function() {
                return ""
            }
            ,
            e.prototype.apply = function(e, t) {
                return !0
            }
            ,
            e
        }()
          , lT = function(e) {
            function t(t, i, n) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 1024),
                void 0 === n && (n = .5);
                var r = e.call(this, t) || this;
                return r.priority = t,
                r.maximumSize = i,
                r.step = n,
                r
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Reducing render target texture size to " + this.maximumSize
            }
            ,
            t.prototype.apply = function(e, t) {
                for (var i = !0, n = 0; n < e.textures.length; n++) {
                    var r = e.textures[n];
                    if (r.canRescale && !r.getContext) {
                        var o = r.getSize();
                        Math.max(o.width, o.height) > this.maximumSize && (r.scale(this.step),
                        i = !1)
                    }
                }
                return i
            }
            ,
            t
        }(sT)
          , cT = function(e) {
            function t(t, i, n) {
                void 0 === t && (t = 0),
                void 0 === i && (i = 2),
                void 0 === n && (n = .25);
                var r = e.call(this, t) || this;
                return r.priority = t,
                r.maximumScale = i,
                r.step = n,
                r._currentScale = -1,
                r._directionOffset = 1,
                r
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Setting hardware scaling level to " + this._currentScale
            }
            ,
            t.prototype.apply = function(e, t) {
                return -1 === this._currentScale && (this._currentScale = e.getEngine().getHardwareScalingLevel(),
                this._currentScale > this.maximumScale && (this._directionOffset = -1)),
                this._currentScale += this._directionOffset * this.step,
                e.getEngine().setHardwareScalingLevel(this._currentScale),
                1 === this._directionOffset ? this._currentScale >= this.maximumScale : this._currentScale <= this.maximumScale
            }
            ,
            t
        }(sT)
          , uT = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Turning shadows on/off"
            }
            ,
            t.prototype.apply = function(e, t) {
                return e.shadowsEnabled = t.isInImprovementMode,
                !0
            }
            ,
            t
        }(sT)
          , hT = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Turning post-processes on/off"
            }
            ,
            t.prototype.apply = function(e, t) {
                return e.postProcessesEnabled = t.isInImprovementMode,
                !0
            }
            ,
            t
        }(sT)
          , dT = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Turning lens flares on/off"
            }
            ,
            t.prototype.apply = function(e, t) {
                return e.lensFlaresEnabled = t.isInImprovementMode,
                !0
            }
            ,
            t
        }(sT)
          , pT = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return this.onGetDescription ? this.onGetDescription() : "Running user defined callback"
            }
            ,
            t.prototype.apply = function(e, t) {
                return !this.onApply || this.onApply(e, t)
            }
            ,
            t
        }(sT)
          , fT = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Turning particles on/off"
            }
            ,
            t.prototype.apply = function(e, t) {
                return e.particlesEnabled = t.isInImprovementMode,
                !0
            }
            ,
            t
        }(sT)
          , _T = function(e) {
            function t() {
                return null !== e && e.apply(this, arguments) || this
            }
            return U(t, e),
            t.prototype.getDescription = function() {
                return "Turning render targets off"
            }
            ,
            t.prototype.apply = function(e, t) {
                return e.renderTargetsEnabled = t.isInImprovementMode,
                !0
            }
            ,
            t
        }(sT)
          , mT = function(e) {
            function t() {
                var t = null !== e && e.apply(this, arguments) || this;
                return t._canBeMerged = function(e) {
                    if (!(e instanceof Vr))
                        return !1;
                    var t = e;
                    return !(t.isDisposed() || !t.isVisible || !t.isEnabled() || t.instances.length > 0 || t.skeleton || t.hasLODLevels)
                }
                ,
                t
            }
            return U(t, e),
            Object.defineProperty(t, "UpdateSelectionTree", {
                get: function() {
                    return t._UpdateSelectionTree
                },
                set: function(e) {
                    t._UpdateSelectionTree = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getDescription = function() {
                return "Merging similar meshes together"
            }
            ,
            t.prototype.apply = function(e, i, n) {
                for (var r = e.meshes.slice(0), o = r.length, a = 0; a < o; a++) {
                    var s = new Array
                      , l = r[a];
                    if (this._canBeMerged(l)) {
                        s.push(l);
                        for (var c = a + 1; c < o; c++) {
                            var u = r[c];
                            this._canBeMerged(u) && u.material === l.material && u.checkCollisions === l.checkCollisions && (s.push(u),
                            o--,
                            r.splice(c, 1),
                            c--)
                        }
                        s.length < 2 || Vr.MergeMeshes(s, void 0, !0)
                    }
                }
                var h = e;
                return h.createOrUpdateSelectionOctree && (null != n ? n && h.createOrUpdateSelectionOctree() : t.UpdateSelectionTree && h.createOrUpdateSelectionOctree()),
                !0
            }
            ,
            t._UpdateSelectionTree = !1,
            t
        }(sT)
          , gT = function() {
            function e(e, t) {
                void 0 === e && (e = 60),
                void 0 === t && (t = 2e3),
                this.targetFrameRate = e,
                this.trackerDuration = t,
                this.optimizations = new Array
            }
            return e.prototype.addOptimization = function(e) {
                return this.optimizations.push(e),
                this
            }
            ,
            e.prototype.addCustomOptimization = function(e, t, i) {
                void 0 === i && (i = 0);
                var n = new pT(i);
                return n.onApply = e,
                n.onGetDescription = t,
                this.optimizations.push(n),
                this
            }
            ,
            e.LowDegradationAllowed = function(t) {
                var i = new e(t)
                  , n = 0;
                return i.addOptimization(new mT(n)),
                i.addOptimization(new uT(n)),
                i.addOptimization(new dT(n)),
                n++,
                i.addOptimization(new hT(n)),
                i.addOptimization(new fT(n)),
                n++,
                i.addOptimization(new lT(n,1024)),
                i
            }
            ,
            e.ModerateDegradationAllowed = function(t) {
                var i = new e(t)
                  , n = 0;
                return i.addOptimization(new mT(n)),
                i.addOptimization(new uT(n)),
                i.addOptimization(new dT(n)),
                n++,
                i.addOptimization(new hT(n)),
                i.addOptimization(new fT(n)),
                n++,
                i.addOptimization(new lT(n,512)),
                n++,
                i.addOptimization(new _T(n)),
                n++,
                i.addOptimization(new cT(n,2)),
                i
            }
            ,
            e.HighDegradationAllowed = function(t) {
                var i = new e(t)
                  , n = 0;
                return i.addOptimization(new mT(n)),
                i.addOptimization(new uT(n)),
                i.addOptimization(new dT(n)),
                n++,
                i.addOptimization(new hT(n)),
                i.addOptimization(new fT(n)),
                n++,
                i.addOptimization(new lT(n,256)),
                n++,
                i.addOptimization(new _T(n)),
                n++,
                i.addOptimization(new cT(n,4)),
                i
            }
            ,
            e
        }()
          , vT = function() {
            function e(e, t, i, n) {
                void 0 === i && (i = !0),
                void 0 === n && (n = !1);
                var r = this;
                if (this._isRunning = !1,
                this._currentPriorityLevel = 0,
                this._targetFrameRate = 60,
                this._trackerDuration = 2e3,
                this._currentFrameRate = 0,
                this._improvementMode = !1,
                this.onSuccessObservable = new h,
                this.onNewOptimizationAppliedObservable = new h,
                this.onFailureObservable = new h,
                this._options = t || new gT,
                this._options.targetFrameRate && (this._targetFrameRate = this._options.targetFrameRate),
                this._options.trackerDuration && (this._trackerDuration = this._options.trackerDuration),
                i)
                    for (var o = 0, a = 0, s = this._options.optimizations; a < s.length; a++)
                        s[a].priority = o++;
                this._improvementMode = n,
                this._scene = e || E.LastCreatedScene,
                this._sceneDisposeObserver = this._scene.onDisposeObservable.add((function() {
                    r._sceneDisposeObserver = null,
                    r.dispose()
                }
                ))
            }
            return Object.defineProperty(e.prototype, "isInImprovementMode", {
                get: function() {
                    return this._improvementMode
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentPriorityLevel", {
                get: function() {
                    return this._currentPriorityLevel
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "currentFrameRate", {
                get: function() {
                    return this._currentFrameRate
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "targetFrameRate", {
                get: function() {
                    return this._targetFrameRate
                },
                set: function(e) {
                    this._targetFrameRate = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "trackerDuration", {
                get: function() {
                    return this._trackerDuration
                },
                set: function(e) {
                    this._trackerDuration = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "optimizations", {
                get: function() {
                    return this._options.optimizations
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.stop = function() {
                this._isRunning = !1
            }
            ,
            e.prototype.reset = function() {
                this._currentPriorityLevel = 0
            }
            ,
            e.prototype.start = function() {
                var e = this;
                this._isRunning || (this._isRunning = !0,
                this._scene.executeWhenReady((function() {
                    setTimeout((function() {
                        e._checkCurrentState()
                    }
                    ), e._trackerDuration)
                }
                )))
            }
            ,
            e.prototype._checkCurrentState = function() {
                var e = this;
                if (this._isRunning) {
                    var t = this._scene
                      , i = this._options;
                    if (this._currentFrameRate = Math.round(t.getEngine().getFps()),
                    this._improvementMode && this._currentFrameRate <= this._targetFrameRate || !this._improvementMode && this._currentFrameRate >= this._targetFrameRate)
                        return this._isRunning = !1,
                        void this.onSuccessObservable.notifyObservers(this);
                    for (var n = !0, r = !0, o = 0; o < i.optimizations.length; o++) {
                        var a = i.optimizations[o];
                        a.priority === this._currentPriorityLevel && (r = !1,
                        n = n && a.apply(t, this),
                        this.onNewOptimizationAppliedObservable.notifyObservers(a))
                    }
                    if (r)
                        return this._isRunning = !1,
                        void this.onFailureObservable.notifyObservers(this);
                    n && this._currentPriorityLevel++,
                    t.executeWhenReady((function() {
                        setTimeout((function() {
                            e._checkCurrentState()
                        }
                        ), e._trackerDuration)
                    }
                    ))
                }
            }
            ,
            e.prototype.dispose = function() {
                this.stop(),
                this.onSuccessObservable.clear(),
                this.onFailureObservable.clear(),
                this.onNewOptimizationAppliedObservable.clear(),
                this._sceneDisposeObserver && this._scene.onDisposeObservable.remove(this._sceneDisposeObserver)
            }
            ,
            e.OptimizeAsync = function(t, i, n, r) {
                var o = new e(t,i || gT.ModerateDegradationAllowed(),!1);
                return n && o.onSuccessObservable.add((function() {
                    n()
                }
                )),
                r && o.onFailureObservable.add((function() {
                    r()
                }
                )),
                o.start(),
                o
            }
            ,
            e
        }()
          , yT = []
          , bT = function(e, t) {
            e.doNotSerialize || (t.vertexData.push(e.serializeVerticeData()),
            yT[e.id] = !0)
        }
          , TT = function(e, t) {
            var i = {}
              , n = e._geometry;
            return n && (e.getScene().getGeometryById(n.id) || bT(n, t.geometries)),
            e.serialize && e.serialize(i),
            i
        }
          , ET = function() {
            function e() {}
            return e.ClearCache = function() {
                yT = []
            }
            ,
            e.Serialize = function(t) {
                return e._Serialize(t)
            }
            ,
            e._Serialize = function(t, i) {
                void 0 === i && (i = !0);
                var n, r, o, s = {};
                if (i && !t.getEngine()._features.supportSyncTextureRead && io.ForceSerializeBuffers && console.warn("The serialization object may not contain the proper base64 encoded texture data! You should use the SerializeAsync method instead."),
                e.ClearCache(),
                s.useDelayedTextureLoading = t.useDelayedTextureLoading,
                s.autoClear = t.autoClear,
                s.clearColor = t.clearColor.asArray(),
                s.ambientColor = t.ambientColor.asArray(),
                s.gravity = t.gravity.asArray(),
                s.collisionsEnabled = t.collisionsEnabled,
                s.useRightHandedSystem = t.useRightHandedSystem,
                t.fogMode && 0 !== t.fogMode && (s.fogMode = t.fogMode,
                s.fogColor = t.fogColor.asArray(),
                s.fogStart = t.fogStart,
                s.fogEnd = t.fogEnd,
                s.fogDensity = t.fogDensity),
                t.isPhysicsEnabled()) {
                    var l = t.getPhysicsEngine();
                    l && (s.physicsEnabled = !0,
                    s.physicsGravity = l.gravity.asArray(),
                    s.physicsEngine = l.getPhysicsPluginName())
                }
                t.metadata && (s.metadata = t.metadata),
                s.morphTargetManagers = [];
                for (var c = 0, u = t.meshes; c < u.length; c++) {
                    var h = (b = u[c]).morphTargetManager;
                    h && s.morphTargetManagers.push(h.serialize())
                }
                for (s.lights = [],
                n = 0; n < t.lights.length; n++)
                    (r = t.lights[n]).doNotSerialize || s.lights.push(r.serialize());
                for (s.cameras = [],
                n = 0; n < t.cameras.length; n++) {
                    var d = t.cameras[n];
                    d.doNotSerialize || s.cameras.push(d.serialize())
                }
                if (t.activeCamera && (s.activeCameraID = t.activeCamera.id),
                Ge.AppendSerializedAnimations(t, s),
                t.animationGroups && t.animationGroups.length > 0) {
                    s.animationGroups = [];
                    for (var p = 0; p < t.animationGroups.length; p++) {
                        var f = t.animationGroups[p];
                        s.animationGroups.push(f.serialize())
                    }
                }
                if (t.reflectionProbes && t.reflectionProbes.length > 0)
                    for (s.reflectionProbes = [],
                    n = 0; n < t.reflectionProbes.length; n++) {
                        var _ = t.reflectionProbes[n];
                        s.reflectionProbes.push(_.serialize())
                    }
                for (s.materials = [],
                s.multiMaterials = [],
                n = 0; n < t.materials.length; n++)
                    (o = t.materials[n]).doNotSerialize || s.materials.push(o.serialize());
                for (s.multiMaterials = [],
                n = 0; n < t.multiMaterials.length; n++) {
                    var m = t.multiMaterials[n];
                    s.multiMaterials.push(m.serialize())
                }
                for (t.environmentTexture && (s.environmentTexture = t.environmentTexture.name,
                s.environmentTextureRotationY = t.environmentTexture.rotationY),
                s.environmentIntensity = t.environmentIntensity,
                s.skeletons = [],
                n = 0; n < t.skeletons.length; n++) {
                    var g = t.skeletons[n];
                    g.doNotSerialize || s.skeletons.push(g.serialize())
                }
                for (s.transformNodes = [],
                n = 0; n < t.transformNodes.length; n++)
                    t.transformNodes[n].doNotSerialize || s.transformNodes.push(t.transformNodes[n].serialize());
                s.geometries = {},
                s.geometries.boxes = [],
                s.geometries.spheres = [],
                s.geometries.cylinders = [],
                s.geometries.toruses = [],
                s.geometries.grounds = [],
                s.geometries.planes = [],
                s.geometries.torusKnots = [],
                s.geometries.vertexData = [],
                yT = [];
                var v = t.getGeometries();
                for (n = 0; n < v.length; n++) {
                    var y = v[n];
                    y.isReady() && bT(y, s.geometries)
                }
                for (s.meshes = [],
                n = 0; n < t.meshes.length; n++) {
                    var b;
                    if ((b = t.meshes[n])instanceof Vr) {
                        var T = b;
                        T.doNotSerialize || T.delayLoadState !== a.DELAYLOADSTATE_LOADED && T.delayLoadState !== a.DELAYLOADSTATE_NONE || s.meshes.push(TT(T, s))
                    }
                }
                for (s.particleSystems = [],
                n = 0; n < t.particleSystems.length; n++)
                    s.particleSystems.push(t.particleSystems[n].serialize(!1));
                for (s.postProcesses = [],
                n = 0; n < t.postProcesses.length; n++)
                    s.postProcesses.push(t.postProcesses[n].serialize());
                t.actionManager && (s.actions = t.actionManager.serialize("scene"));
                for (var E = 0, S = t._serializableComponents; E < S.length; E++)
                    S[E].serialize(s);
                return s
            }
            ,
            e.SerializeAsync = function(t) {
                var i = e._Serialize(t, !1)
                  , n = [];
                return this._CollectPromises(i, n),
                Promise.all(n).then((function() {
                    return i
                }
                ))
            }
            ,
            e._CollectPromises = function(e, t) {
                if (Array.isArray(e))
                    for (var i = function(i) {
                        var r = e[i];
                        r instanceof Promise ? t.push(r.then((function(t) {
                            return e[i] = t
                        }
                        ))) : (r instanceof Object || Array.isArray(r)) && n._CollectPromises(r, t)
                    }, n = this, r = 0; r < e.length; ++r)
                        i(r);
                else if (e instanceof Object) {
                    var o = function(i) {
                        if (Object.prototype.hasOwnProperty.call(e, i)) {
                            var n = e[i];
                            n instanceof Promise ? t.push(n.then((function(t) {
                                return e[i] = t
                            }
                            ))) : (n instanceof Object || Array.isArray(n)) && a._CollectPromises(n, t)
                        }
                    }
                      , a = this;
                    for (var s in e)
                        o(s)
                }
            }
            ,
            e.SerializeMesh = function(t, i, n) {
                void 0 === i && (i = !1),
                void 0 === n && (n = !1);
                var r = {};
                if (e.ClearCache(),
                t = t instanceof Array ? t : [t],
                i || n)
                    for (var o = 0; o < t.length; ++o)
                        n && t[o].getDescendants().forEach((function(e) {
                            e instanceof Vr && t.indexOf(e) < 0 && !e.doNotSerialize && t.push(e)
                        }
                        )),
                        i && t[o].parent && t.indexOf(t[o].parent) < 0 && !t[o].parent.doNotSerialize && t.push(t[o].parent);
                return t.forEach((function(e) {
                    !function(e, t) {
                        if (e.delayLoadState === a.DELAYLOADSTATE_LOADED || e.delayLoadState === a.DELAYLOADSTATE_NONE) {
                            var i = function(i) {
                                t.materials = t.materials || [],
                                t.materials.some((function(t) {
                                    return t.id === e.material.id
                                }
                                )) || t.materials.push(i.serialize())
                            };
                            if (e.material && !e.material.doNotSerialize)
                                if (e.material instanceof Dr) {
                                    if (t.multiMaterials = t.multiMaterials || [],
                                    !t.multiMaterials.some((function(t) {
                                        return t.id === e.material.id
                                    }
                                    ))) {
                                        t.multiMaterials.push(e.material.serialize());
                                        for (var n = 0, r = e.material.subMaterials; n < r.length; n++) {
                                            var o = r[n];
                                            o && i(o)
                                        }
                                    }
                                } else
                                    i(e.material);
                            else
                                e.material || i(e.getScene().defaultMaterial);
                            var s = e._geometry;
                            s && (t.geometries || (t.geometries = {},
                            t.geometries.boxes = [],
                            t.geometries.spheres = [],
                            t.geometries.cylinders = [],
                            t.geometries.toruses = [],
                            t.geometries.grounds = [],
                            t.geometries.planes = [],
                            t.geometries.torusKnots = [],
                            t.geometries.vertexData = []),
                            bT(s, t.geometries)),
                            e.skeleton && !e.skeleton.doNotSerialize && (t.skeletons = t.skeletons || [],
                            t.skeletons.push(e.skeleton.serialize())),
                            t.meshes = t.meshes || [],
                            t.meshes.push(TT(e, t))
                        }
                    }(e, r)
                }
                )),
                r
            }
            ,
            e
        }()
          , ST = function() {
            function e(t, i) {
                if (void 0 === i && (i = {}),
                !e.IsSupported(t))
                    throw "Your browser does not support recording so far.";
                var n = t.getRenderingCanvas();
                if (!n)
                    throw "The babylon engine must have a canvas to be recorded";
                this._canvas = n,
                this._canvas.isRecording = !1,
                this._options = V(V({}, e._DefaultOptions), i);
                var r = this._canvas.captureStream(this._options.fps);
                if (this._options.audioTracks)
                    for (var o = 0, a = this._options.audioTracks; o < a.length; o++) {
                        var s = a[o];
                        r.addTrack(s)
                    }
                this._mediaRecorder = new MediaRecorder(r,{
                    mimeType: this._options.mimeType
                }),
                this._mediaRecorder.ondataavailable = this._handleDataAvailable.bind(this),
                this._mediaRecorder.onerror = this._handleError.bind(this),
                this._mediaRecorder.onstop = this._handleStop.bind(this)
            }
            return e.IsSupported = function(e) {
                var t = e.getRenderingCanvas();
                return !!t && "function" == typeof t.captureStream
            }
            ,
            Object.defineProperty(e.prototype, "isRecording", {
                get: function() {
                    return !!this._canvas && this._canvas.isRecording
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.stopRecording = function() {
                this._canvas && this._mediaRecorder && this.isRecording && (this._canvas.isRecording = !1,
                this._mediaRecorder.stop())
            }
            ,
            e.prototype.startRecording = function(e, t) {
                var i = this;
                if (void 0 === e && (e = "babylonjs.webm"),
                void 0 === t && (t = 7),
                !this._canvas || !this._mediaRecorder)
                    throw "Recorder has already been disposed";
                if (this.isRecording)
                    throw "Recording already in progress";
                return t > 0 && setTimeout((function() {
                    i.stopRecording()
                }
                ), 1e3 * t),
                this._fileName = e,
                this._recordedChunks = [],
                this._resolve = null,
                this._reject = null,
                this._canvas.isRecording = !0,
                this._mediaRecorder.start(this._options.recordChunckSize),
                new Promise((function(e, t) {
                    i._resolve = e,
                    i._reject = t
                }
                ))
            }
            ,
            e.prototype.dispose = function() {
                this._canvas = null,
                this._mediaRecorder = null,
                this._recordedChunks = [],
                this._fileName = null,
                this._resolve = null,
                this._reject = null
            }
            ,
            e.prototype._handleDataAvailable = function(e) {
                e.data.size > 0 && this._recordedChunks.push(e.data)
            }
            ,
            e.prototype._handleError = function(e) {
                if (this.stopRecording(),
                !this._reject)
                    throw new e.error;
                this._reject(e.error)
            }
            ,
            e.prototype._handleStop = function() {
                this.stopRecording();
                var e = new Blob(this._recordedChunks);
                this._resolve && this._resolve(e),
                window.URL.createObjectURL(e),
                this._fileName && gi.Download(e, this._fileName)
            }
            ,
            e._DefaultOptions = {
                mimeType: "video/webm",
                fps: 25,
                recordChunckSize: 3e3
            },
            e
        }();
        function AT(e, t, i, n, r, o) {
            void 0 === r && (r = "image/png"),
            void 0 === o && (o = !1);
            var a = MT(e, t, i)
              , s = a.height
              , l = a.width;
            if (s && l) {
                gi._ScreenshotCanvas || (gi._ScreenshotCanvas = document.createElement("canvas")),
                gi._ScreenshotCanvas.width = l,
                gi._ScreenshotCanvas.height = s;
                var c = gi._ScreenshotCanvas.getContext("2d")
                  , u = e.getRenderWidth() / e.getRenderHeight()
                  , h = l
                  , d = h / u;
                d > s && (h = (d = s) * u);
                var p = Math.max(0, l - h) / 2
                  , f = Math.max(0, s - d) / 2;
                e.onEndFrameObservable.addOnce((function() {
                    var t = e.getRenderingCanvas();
                    c && t && c.drawImage(t, p, f, h, d),
                    o ? (gi.EncodeScreenshotCanvasData(void 0, r),
                    n && n("")) : gi.EncodeScreenshotCanvasData(n, r)
                }
                ))
            } else
                K.Error("Invalid 'size' parameter !")
        }
        function xT(e, t, i, n) {
            return void 0 === n && (n = "image/png"),
            new Promise((function(r, o) {
                AT(e, t, i, (function(e) {
                    void 0 !== e ? r(e) : o(new Error("Data is undefined"))
                }
                ), n)
            }
            ))
        }
        function RT(e, t, i, n, r) {
            return void 0 === r && (r = "image/png"),
            new Promise((function(o) {
                AT(e, t, {
                    width: i,
                    height: n
                }, (function() {
                    o()
                }
                ), r, !0)
            }
            ))
        }
        function CT(e, t, i, n, r, o, s, l, c, u) {
            void 0 === r && (r = "image/png"),
            void 0 === o && (o = 1),
            void 0 === s && (s = !1),
            void 0 === c && (c = !1),
            void 0 === u && (u = !1);
            var h = MT(e, t, i)
              , d = h.height
              , p = h.width
              , f = {
                width: p,
                height: d
            };
            if (d && p) {
                var _ = t.getScene()
                  , m = null
                  , g = _.activeCameras;
                _.activeCameras = null,
                _.activeCamera !== t && (m = _.activeCamera,
                _.activeCamera = t),
                _.render();
                var v = new ns("screenShot",f,_,!1,!1,a.TEXTURETYPE_UNSIGNED_INT,!1,io.NEAREST_SAMPLINGMODE,void 0,u,void 0,void 0,void 0,o);
                v.renderList = null,
                v.samples = o,
                v.renderSprites = c,
                e.onEndFrameObservable.addOnce((function() {
                    v.readPixels(void 0, void 0, void 0, !1).then((function(e) {
                        gi.DumpData(p, d, e, n, r, l, !0),
                        v.dispose()
                    }
                    ))
                }
                ));
                var y = function() {
                    _.incrementRenderId(),
                    _.resetCachedMaterial(),
                    v.render(!0),
                    _.incrementRenderId(),
                    _.resetCachedMaterial(),
                    m && (_.activeCamera = m),
                    _.activeCameras = g,
                    t.getProjectionMatrix(!0),
                    _.render()
                };
                if (s) {
                    var b = new eb("antialiasing",1,_.activeCamera);
                    v.addPostProcess(b),
                    b.getEffect().isReady() ? y() : b.getEffect().onCompiled = function() {
                        y()
                    }
                } else
                    y()
            } else
                K.Error("Invalid 'size' parameter !")
        }
        function PT(e, t, i, n, r, o, a, s) {
            return void 0 === n && (n = "image/png"),
            void 0 === r && (r = 1),
            void 0 === o && (o = !1),
            void 0 === s && (s = !1),
            new Promise((function(l, c) {
                CT(e, t, i, (function(e) {
                    void 0 !== e ? l(e) : c(new Error("Data is undefined"))
                }
                ), n, r, o, a, s)
            }
            ))
        }
        function MT(e, t, i) {
            var n = 0
              , r = 0;
            if ("object" == typeof i) {
                var o = i.precision ? Math.abs(i.precision) : 1;
                i.width && i.height ? (n = i.height * o,
                r = i.width * o) : i.width && !i.height ? (r = i.width * o,
                n = Math.round(r / e.getAspectRatio(t))) : i.height && !i.width ? (n = i.height * o,
                r = Math.round(n * e.getAspectRatio(t))) : (r = Math.round(e.getRenderWidth() * o),
                n = Math.round(r / e.getAspectRatio(t)))
            } else
                isNaN(i) || (n = i,
                r = i);
            return r && (r = Math.floor(r)),
            n && (n = Math.floor(n)),
            {
                height: 0 | n,
                width: 0 | r
            }
        }
        var IT, OT = {
            CreateScreenshot: AT,
            CreateScreenshotAsync: xT,
            CreateScreenshotWithResizeAsync: RT,
            CreateScreenshotUsingRenderTarget: CT,
            CreateScreenshotUsingRenderTargetAsync: PT
        };
        gi.CreateScreenshot = AT,
        gi.CreateScreenshotAsync = xT,
        gi.CreateScreenshotUsingRenderTarget = CT,
        gi.CreateScreenshotUsingRenderTargetAsync = PT,
        function(e) {
            e[e.Checkbox = 0] = "Checkbox",
            e[e.Slider = 1] = "Slider",
            e[e.Vector3 = 2] = "Vector3",
            e[e.Quaternion = 3] = "Quaternion",
            e[e.Color3 = 4] = "Color3",
            e[e.String = 5] = "String",
            e[e.Button = 6] = "Button",
            e[e.Options = 7] = "Options",
            e[e.Tab = 8] = "Tab"
        }(IT || (IT = {}));
        var DT, NT = function() {
            function e(e) {
                this.byteOffset = 0,
                this.buffer = e
            }
            return e.prototype.loadAsync = function(e) {
                var t = this;
                return this.buffer.readAsync(this.byteOffset, e).then((function(e) {
                    t._dataView = new DataView(e.buffer,e.byteOffset,e.byteLength),
                    t._dataByteOffset = 0
                }
                ))
            }
            ,
            e.prototype.readUint32 = function() {
                var e = this._dataView.getUint32(this._dataByteOffset, !0);
                return this._dataByteOffset += 4,
                this.byteOffset += 4,
                e
            }
            ,
            e.prototype.readUint8Array = function(e) {
                var t = new Uint8Array(this._dataView.buffer,this._dataView.byteOffset + this._dataByteOffset,e);
                return this._dataByteOffset += e,
                this.byteOffset += e,
                t
            }
            ,
            e.prototype.readString = function(e) {
                return se(this.readUint8Array(e))
            }
            ,
            e.prototype.skipBytes = function(e) {
                this._dataByteOffset += e,
                this.byteOffset += e
            }
            ,
            e
        }(), LT = function() {
            function e() {}
            return e._GetStorage = function() {
                try {
                    return localStorage.setItem("test", ""),
                    localStorage.removeItem("test"),
                    localStorage
                } catch (t) {
                    var e = {};
                    return {
                        getItem: function(t) {
                            var i = e[t];
                            return void 0 === i ? null : i
                        },
                        setItem: function(t, i) {
                            e[t] = i
                        }
                    }
                }
            }
            ,
            e.ReadString = function(e, t) {
                var i = this._Storage.getItem(e);
                return null !== i ? i : t
            }
            ,
            e.WriteString = function(e, t) {
                this._Storage.setItem(e, t)
            }
            ,
            e.ReadBoolean = function(e, t) {
                var i = this._Storage.getItem(e);
                return null !== i ? "true" === i : t
            }
            ,
            e.WriteBoolean = function(e, t) {
                this._Storage.setItem(e, t ? "true" : "false")
            }
            ,
            e.ReadNumber = function(e, t) {
                var i = this._Storage.getItem(e);
                return null !== i ? parseFloat(i) : t
            }
            ,
            e.WriteNumber = function(e, t) {
                this._Storage.setItem(e, t.toString())
            }
            ,
            e._Storage = e._GetStorage(),
            e
        }(), FT = function() {
            function e() {
                this._trackedScene = null
            }
            return e.prototype.track = function(e) {
                this._trackedScene = e,
                Ge.AllowLoadingUniqueId = !0,
                this._savedJSON = ET.Serialize(e),
                Ge.AllowLoadingUniqueId = !1
            }
            ,
            e.prototype.getDelta = function() {
                if (!this._trackedScene)
                    return null;
                var e = io.ForceSerializeBuffers;
                io.ForceSerializeBuffers = !1,
                Ge.AllowLoadingUniqueId = !0;
                var t = ET.Serialize(this._trackedScene);
                Ge.AllowLoadingUniqueId = !1;
                var i = {};
                for (var n in t)
                    this._compareCollections(n, this._savedJSON[n], t[n], i);
                return io.ForceSerializeBuffers = e,
                i
            }
            ,
            e.prototype._compareArray = function(e, t, i, n) {
                if (0 === t.length && 0 === i.length)
                    return !0;
                if (t.length && !isNaN(t[0]) || i.length && !isNaN(i[0])) {
                    if (t.length !== i.length)
                        return !1;
                    if (0 === t.length)
                        return !0;
                    for (var r = 0; r < t.length; r++)
                        if (t[r] !== i[r])
                            return n[e] = i,
                            !1;
                    return !0
                }
                var o = []
                  , a = function(r) {
                    var a = t[r]
                      , l = a.uniqueId;
                    o.push(l);
                    var c = i.filter((function(e) {
                        return e.uniqueId === l
                    }
                    ));
                    if (c.length) {
                        var u = c[0]
                          , h = {};
                        s._compareObjects(a, u, h) || (n[e] || (n[e] = []),
                        h.__state = {
                            id: u.id || u.name
                        },
                        n[e].push(h))
                    } else
                        h = {
                            __state: {
                                deleteId: a.id || a.name
                            }
                        },
                        n[e].push(h)
                }
                  , s = this;
                for (r = 0; r < t.length; r++)
                    a(r);
                for (r = 0; r < i.length; r++) {
                    var l = i[r]
                      , c = l.uniqueId;
                    -1 === o.indexOf(c) && (n[e] || (n[e] = []),
                    n[e].push(l))
                }
                return !0
            }
            ,
            e.prototype._compareObjects = function(e, t, i) {
                var n = !1;
                for (var r in e)
                    if (Object.prototype.hasOwnProperty.call(e, r)) {
                        var o = e[r]
                          , a = t[r]
                          , s = !1;
                        if (Array.isArray(o))
                            s = JSON.stringify(o) !== JSON.stringify(a);
                        else if (isNaN(o) && "[object String]" != Object.prototype.toString.call(o)) {
                            if ("object" == typeof o && "object" == typeof a) {
                                var l = {};
                                this._compareObjects(o, a, l) || (i[r] = l,
                                n = !0)
                            }
                        } else
                            s = o !== a;
                        s && (n = !0,
                        i[r] = a)
                    }
                return !n
            }
            ,
            e.prototype._compareCollections = function(e, t, i, n) {
                if (t !== i && t && i)
                    if (Array.isArray(t) && Array.isArray(i)) {
                        if (this._compareArray(e, t, i, n))
                            return
                    } else if ("object" == typeof t && "object" == typeof i) {
                        var r = {};
                        return void (this._compareObjects(t, i, r) || (n[e] = r))
                    }
            }
            ,
            e.GetShadowGeneratorById = function(e, t) {
                for (var i = 0, n = e.lights.map((function(e) {
                    return e.getShadowGenerator()
                }
                )); i < n.length; i++) {
                    var r = n[i];
                    if (r && r.id === t)
                        return r
                }
                return null
            }
            ,
            e.ApplyDelta = function(e, t) {
                var i = this;
                "string" == typeof e && (e = JSON.parse(e));
                var n = t;
                for (var r in e) {
                    var o = e[r]
                      , a = n[r];
                    if (Array.isArray(a) || "shadowGenerators" === r)
                        switch (r) {
                        case "cameras":
                            this._ApplyDeltaForEntity(o, t, t.getCameraById.bind(t), (function(e) {
                                return Rr.Parse(e, t)
                            }
                            ));
                            break;
                        case "lights":
                            this._ApplyDeltaForEntity(o, t, t.getLightById.bind(t), (function(e) {
                                return Cr.Parse(e, t)
                            }
                            ));
                            break;
                        case "shadowGenerators":
                            this._ApplyDeltaForEntity(o, t, (function(e) {
                                return i.GetShadowGeneratorById(t, e)
                            }
                            ), (function(e) {
                                return r_.Parse(e, t)
                            }
                            ));
                            break;
                        case "meshes":
                            this._ApplyDeltaForEntity(o, t, t.getMeshById.bind(t), (function(e) {
                                return Vr.Parse(e, t, "")
                            }
                            ));
                            break;
                        case "skeletons":
                            this._ApplyDeltaForEntity(o, t, t.getSkeletonById.bind(t), (function(e) {
                                return Fo.Parse(e, t)
                            }
                            ));
                            break;
                        case "materials":
                            this._ApplyDeltaForEntity(o, t, t.getMaterialById.bind(t), (function(e) {
                                return Or.Parse(e, t, "")
                            }
                            ));
                            break;
                        case "multiMaterials":
                            this._ApplyDeltaForEntity(o, t, t.getMaterialById.bind(t), (function(e) {
                                return Dr.Parse(e, t, "")
                            }
                            ));
                            break;
                        case "transformNodes":
                            this._ApplyDeltaForEntity(o, t, t.getTransformNodeById.bind(t), (function(e) {
                                return yr.Parse(e, t, "")
                            }
                            ));
                            break;
                        case "particleSystems":
                            this._ApplyDeltaForEntity(o, t, t.getParticleSystemById.bind(t), (function(e) {
                                return fy.Parse(e, t, "")
                            }
                            ));
                            break;
                        case "morphTargetManagers":
                            this._ApplyDeltaForEntity(o, t, t.getMorphTargetById.bind(t), (function(e) {
                                return x_.Parse(e, t)
                            }
                            ));
                            break;
                        case "postProcesses":
                            this._ApplyDeltaForEntity(o, t, t.getPostProcessByName.bind(t), (function(e) {
                                return Ba.Parse(e, t, "")
                            }
                            ))
                        }
                    else
                        isNaN(a) ? a.fromArray && a.fromArray(o) : n[r] = o
                }
            }
            ,
            e._ApplyPropertiesToEntity = function(e, t) {
                for (var i in e) {
                    var n = e[i]
                      , r = t[i];
                    void 0 !== r && (!isNaN(r) || Array.isArray(r) ? t[i] = n : r.fromArray ? r.fromArray(n) : "object" == typeof r && null !== r && this._ApplyPropertiesToEntity(n, r))
                }
            }
            ,
            e._ApplyDeltaForEntity = function(e, t, i, n) {
                for (var r = 0, o = e; r < o.length; r++) {
                    var a = o[r];
                    if (a.__state && void 0 !== a.__state.id) {
                        var s = i(a.__state.id);
                        s && this._ApplyPropertiesToEntity(a, s)
                    } else if (a.__state && void 0 !== a.__state.deleteId) {
                        var l = i(a.__state.deleteId);
                        null == l || l.dispose()
                    } else
                        n(a)
                }
            }
            ,
            e
        }();
        !function(e) {
            var t = function() {
                function e(e, t, i, n) {
                    var r;
                    void 0 === t && (t = null),
                    void 0 === i && (i = null),
                    void 0 === n && (n = null),
                    t = null != t ? t : function() {
                        return 1
                    }
                    ,
                    i = null != i ? i : function() {
                        return 1
                    }
                    ,
                    n = null != n ? n : function(e, t) {
                        return e === t ? 0 : 1
                    }
                    ,
                    this._characterToIdx = new Map,
                    this._insertionCosts = new Array(e.length),
                    this._deletionCosts = new Array(e.length),
                    this._substitutionCosts = new Array(e.length);
                    for (var o = 0; o < e.length; ++o) {
                        r = e[o],
                        this._characterToIdx.set(r, o),
                        this._insertionCosts[o] = t(r),
                        this._deletionCosts[o] = i(r),
                        this._substitutionCosts[o] = new Array(e.length);
                        for (var a = o; a < e.length; ++a)
                            this._substitutionCosts[o][a] = n(r, e[a])
                    }
                }
                return e.prototype.serialize = function() {
                    var e = {}
                      , t = new Array(this._characterToIdx.size);
                    return this._characterToIdx.forEach((function(e, i) {
                        t[e] = i
                    }
                    )),
                    e.characters = t,
                    e.insertionCosts = this._insertionCosts,
                    e.deletionCosts = this._deletionCosts,
                    e.substitutionCosts = this._substitutionCosts,
                    JSON.stringify(e)
                }
                ,
                e.Deserialize = function(t) {
                    var i = JSON.parse(t)
                      , n = new e(i.characters);
                    return n._insertionCosts = i.insertionCosts,
                    n._deletionCosts = i.deletionCosts,
                    n._substitutionCosts = i.substitutionCosts,
                    n
                }
                ,
                e.prototype.getCharacterIdx = function(e) {
                    return this._characterToIdx.get(e)
                }
                ,
                e.prototype.getInsertionCost = function(e) {
                    return this._insertionCosts[e]
                }
                ,
                e.prototype.getDeletionCost = function(e) {
                    return this._deletionCosts[e]
                }
                ,
                e.prototype.getSubstitutionCost = function(e, t) {
                    var i = Math.min(e, t)
                      , n = Math.max(e, t);
                    return this._substitutionCosts[i][n]
                }
                ,
                e
            }();
            e.Alphabet = t;
            var i = function() {
                function e(t, i) {
                    var n = this;
                    if (t.length > e._MAX_SEQUENCE_LENGTH)
                        throw new Error("Sequences longer than " + e._MAX_SEQUENCE_LENGTH + " not supported.");
                    this._alphabet = i,
                    this._characters = t.map((function(e) {
                        return n._alphabet.getCharacterIdx(e)
                    }
                    ))
                }
                return e.prototype.serialize = function() {
                    return JSON.stringify(this._characters)
                }
                ,
                e.Deserialize = function(t, i) {
                    var n = new e([],i);
                    return n._characters = JSON.parse(t),
                    n
                }
                ,
                e.prototype.distance = function(t) {
                    return e._Distance(this, t)
                }
                ,
                e._Distance = function(t, i) {
                    var n = t._alphabet;
                    if (n !== i._alphabet)
                        throw new Error("Cannot Levenshtein compare Sequences built from different alphabets.");
                    var r = t._characters
                      , o = i._characters
                      , a = r.length
                      , s = o.length
                      , l = e._CostMatrix;
                    l[0][0] = 0;
                    for (var c = 0; c < a; ++c)
                        l[c + 1][0] = l[c][0] + n.getInsertionCost(r[c]);
                    for (c = 0; c < s; ++c)
                        l[0][c + 1] = l[0][c] + n.getInsertionCost(o[c]);
                    for (var u = 0; u < a; ++u)
                        for (var h = 0; h < s; ++h)
                            e._InsertionCost = l[u + 1][h] + n.getInsertionCost(o[h]),
                            e._DeletionCost = l[u][h + 1] + n.getDeletionCost(r[u]),
                            e._SubstitutionCost = l[u][h] + n.getSubstitutionCost(r[u], o[h]),
                            l[u + 1][h + 1] = Math.min(e._InsertionCost, e._DeletionCost, e._SubstitutionCost);
                    return l[a][s]
                }
                ,
                e._MAX_SEQUENCE_LENGTH = 256,
                e._CostMatrix = W([], Array(e._MAX_SEQUENCE_LENGTH + 1), !0).map((function() {
                    return new Array(e._MAX_SEQUENCE_LENGTH + 1)
                }
                )),
                e
            }();
            e.Sequence = i
        }(DT || (DT = {}));
        var wT = function() {
            function e(e) {
                void 0 === e && (e = .01),
                this._points = [],
                this._segmentLength = e
            }
            return e.prototype.serialize = function() {
                return JSON.stringify(this)
            }
            ,
            e.Deserialize = function(t) {
                var i = JSON.parse(t)
                  , n = new e(i._segmentLength);
                return n._points = i._points.map((function(e) {
                    return new x(e._x,e._y,e._z)
                }
                )),
                n
            }
            ,
            e.prototype.getLength = function() {
                return this._points.length * this._segmentLength
            }
            ,
            e.prototype.add = function(e) {
                var t = this
                  , i = this._points.length;
                if (0 === i)
                    this._points.push(e.clone());
                else
                    for (var n = function() {
                        return t._segmentLength / x.Distance(t._points[i - 1], e)
                    }, r = n(); r <= 1; r = n()) {
                        var o = this._points[i - 1].scale(1 - r);
                        e.scaleAndAddToRef(r, o),
                        this._points.push(o),
                        ++i
                    }
            }
            ,
            e.prototype.resampleAtTargetResolution = function(t) {
                var i = new e(this.getLength() / t);
                return this._points.forEach((function(e) {
                    i.add(e)
                }
                )),
                i
            }
            ,
            e.prototype.tokenize = function(t) {
                for (var i = [], n = new x, r = 2; r < this._points.length; ++r)
                    e._TransformSegmentDirToRef(this._points[r - 2], this._points[r - 1], this._points[r], n) && i.push(e._TokenizeSegment(n, t));
                return i
            }
            ,
            e._TransformSegmentDirToRef = function(t, i, n, r) {
                return i.subtractToRef(t, e._ForwardDir),
                e._ForwardDir.normalize(),
                i.scaleToRef(-1, e._InverseFromVec),
                e._InverseFromVec.normalize(),
                !(Math.abs(x.Dot(e._ForwardDir, e._InverseFromVec)) > .98 || (x.CrossToRef(e._ForwardDir, e._InverseFromVec, e._UpDir),
                e._UpDir.normalize(),
                P.LookAtLHToRef(t, i, e._UpDir, e._LookMatrix),
                n.subtractToRef(i, e._FromToVec),
                e._FromToVec.normalize(),
                x.TransformNormalToRef(e._FromToVec, e._LookMatrix, r),
                0))
            }
            ,
            e._TokenizeSegment = function(t, i) {
                e._BestMatch = 0,
                e._Score = x.Dot(t, i[0]),
                e._BestScore = e._Score;
                for (var n = 1; n < i.length; ++n)
                    e._Score = x.Dot(t, i[n]),
                    e._Score > e._BestScore && (e._BestMatch = n,
                    e._BestScore = e._Score);
                return e._BestMatch
            }
            ,
            e._ForwardDir = new x,
            e._InverseFromVec = new x,
            e._UpDir = new x,
            e._FromToVec = new x,
            e._LookMatrix = new P,
            e
        }()
          , BT = function() {
            function e(e) {
                this.chars = new Array(e)
            }
            return e.Generate = function(t, i, n, r, o) {
                void 0 === t && (t = 64),
                void 0 === i && (i = 256),
                void 0 === n && (n = .1),
                void 0 === r && (r = .001),
                void 0 === o && (o = []);
                for (var a, s, l = new e(t), c = 0; c < t; ++c)
                    l.chars[c] = new x(Math.random() - .5,Math.random() - .5,Math.random() - .5),
                    l.chars[c].normalize();
                for (c = 0; c < o.length; ++c)
                    l.chars[c].copyFrom(o[c]);
                for (var u, h = new x, d = new x, p = 0; p < i; ++p) {
                    a = (1 - (u = p / (i - 1))) * n + u * r;
                    var f = function(e) {
                        h.copyFromFloats(0, 0, 0),
                        l.chars.forEach((function(t) {
                            l.chars[e].subtractToRef(t, d),
                            (s = d.lengthSquared()) > 1e-6 && d.scaleAndAddToRef(1 / (d.lengthSquared() * s), h)
                        }
                        )),
                        h.scaleInPlace(a),
                        l.chars[e].addInPlace(h),
                        l.chars[e].normalize()
                    };
                    for (c = o.length; c < l.chars.length; ++c)
                        f(c)
                }
                return l
            }
            ,
            e.prototype.serialize = function() {
                return JSON.stringify(this.chars)
            }
            ,
            e.Deserialize = function(t) {
                for (var i = JSON.parse(t), n = new e(i.length), r = 0; r < i.length; ++r)
                    n.chars[r] = new x(i[r]._x,i[r]._y,i[r]._z);
                return n
            }
            ,
            e
        }()
          , UT = function() {
            function e() {
                this._sequences = []
            }
            return e.prototype.serialize = function() {
                return JSON.stringify(this._sequences.map((function(e) {
                    return e.serialize()
                }
                )))
            }
            ,
            e.Deserialize = function(t, i) {
                var n = new e;
                return n._sequences = JSON.parse(t).map((function(e) {
                    return DT.Sequence.Deserialize(e, i)
                }
                )),
                n
            }
            ,
            e.CreateFromTrajectory = function(t, i, n) {
                return e.CreateFromTokenizationPyramid(e._GetTokenizationPyramid(t, i), n)
            }
            ,
            e.CreateFromTokenizationPyramid = function(t, i) {
                var n = new e;
                return n._sequences = t.map((function(e) {
                    return new DT.Sequence(e,i)
                }
                )),
                n
            }
            ,
            e._GetTokenizationPyramid = function(t, i, n) {
                void 0 === n && (n = e._FINEST_DESCRIPTOR_RESOLUTION);
                for (var r = [], o = n; o > 4; o = Math.floor(o / 2))
                    r.push(t.resampleAtTargetResolution(o).tokenize(i.chars));
                return r
            }
            ,
            e.prototype.distance = function(e) {
                for (var t = 0, i = 0; i < this._sequences.length; ++i)
                    t += Math.pow(2, i) * this._sequences[i].distance(e._sequences[i]);
                return t
            }
            ,
            e._FINEST_DESCRIPTOR_RESOLUTION = 32,
            e
        }()
          , VT = function() {
            function e(e) {
                void 0 === e && (e = []),
                this._descriptors = e,
                this._centroidIdx = -1,
                this._averageDistance = 0,
                this._refreshDescription()
            }
            return e.prototype.serialize = function() {
                var e = {};
                return e.descriptors = this._descriptors.map((function(e) {
                    return e.serialize()
                }
                )),
                e.centroidIdx = this._centroidIdx,
                e.averageDistance = this._averageDistance,
                JSON.stringify(e)
            }
            ,
            e.Deserialize = function(t, i) {
                var n = JSON.parse(t)
                  , r = new e;
                return r._descriptors = n.descriptors.map((function(e) {
                    return UT.Deserialize(e, i)
                }
                )),
                r._centroidIdx = n.centroidIdx,
                r._averageDistance = n.averageDistance,
                r
            }
            ,
            e.prototype.add = function(e) {
                this._descriptors.push(e),
                this._refreshDescription()
            }
            ,
            e.prototype.getMatchCost = function(e) {
                return e.distance(this._descriptors[this._centroidIdx]) / this._averageDistance
            }
            ,
            e.prototype.getMatchMinimumDistance = function(e) {
                return Math.min.apply(Math, this._descriptors.map((function(t) {
                    return t.distance(e)
                }
                )))
            }
            ,
            e.prototype._refreshDescription = function() {
                var t, i = this;
                this._centroidIdx = -1;
                for (var n = this._descriptors.map((function(e) {
                    return t = 0,
                    i._descriptors.forEach((function(i) {
                        t += e.distance(i)
                    }
                    )),
                    t
                }
                )), r = 0; r < n.length; ++r)
                    (this._centroidIdx < 0 || n[r] < n[this._centroidIdx]) && (this._centroidIdx = r);
                this._averageDistance = 0,
                this._descriptors.forEach((function(e) {
                    i._averageDistance += e.distance(i._descriptors[i._centroidIdx])
                }
                )),
                this._descriptors.length > 0 && (this._averageDistance = Math.max(this._averageDistance / this._descriptors.length, e._MIN_AVERAGE_DISTANCE))
            }
            ,
            e._MIN_AVERAGE_DISTANCE = 1,
            e
        }()
          , kT = function() {
            function e() {
                this._maximumAllowableMatchCost = 4,
                this._nameToDescribedTrajectory = new Map
            }
            return e.prototype.serialize = function() {
                var e = {};
                return e.maximumAllowableMatchCost = this._maximumAllowableMatchCost,
                e.vector3Alphabet = this._vector3Alphabet.serialize(),
                e.levenshteinAlphabet = this._levenshteinAlphabet.serialize(),
                e.nameToDescribedTrajectory = [],
                this._nameToDescribedTrajectory.forEach((function(t, i) {
                    e.nameToDescribedTrajectory.push(i),
                    e.nameToDescribedTrajectory.push(t.serialize())
                }
                )),
                JSON.stringify(e)
            }
            ,
            e.Deserialize = function(t) {
                var i = JSON.parse(t)
                  , n = new e;
                n._maximumAllowableMatchCost = i.maximumAllowableMatchCost,
                n._vector3Alphabet = BT.Deserialize(i.vector3Alphabet),
                n._levenshteinAlphabet = DT.Alphabet.Deserialize(i.levenshteinAlphabet);
                for (var r = 0; r < i.nameToDescribedTrajectory.length; r += 2)
                    n._nameToDescribedTrajectory.set(i.nameToDescribedTrajectory[r], VT.Deserialize(i.nameToDescribedTrajectory[r + 1], n._levenshteinAlphabet));
                return n
            }
            ,
            e.Generate = function() {
                for (var t = BT.Generate(64, 256, .1, .001, [x.Forward()]), i = new Array(t.chars.length), n = 0; n < i.length; ++n)
                    i[n] = n;
                var r = new DT.Alphabet(i,(function(e) {
                    return 0 === e ? 0 : 1
                }
                ),(function(e) {
                    return 0 === e ? 0 : 1
                }
                ),(function(e, i) {
                    return Math.min(1 - x.Dot(t.chars[e], t.chars[i]), 1)
                }
                ))
                  , o = new e;
                return o._vector3Alphabet = t,
                o._levenshteinAlphabet = r,
                o
            }
            ,
            e.prototype.addTrajectoryToClassification = function(e, t) {
                this._nameToDescribedTrajectory.has(t) || this._nameToDescribedTrajectory.set(t, new VT),
                this._nameToDescribedTrajectory.get(t).add(UT.CreateFromTrajectory(e, this._vector3Alphabet, this._levenshteinAlphabet))
            }
            ,
            e.prototype.deleteClassification = function(e) {
                return this._nameToDescribedTrajectory.delete(e)
            }
            ,
            e.prototype.classifyTrajectory = function(e) {
                var t = this
                  , i = UT.CreateFromTrajectory(e, this._vector3Alphabet, this._levenshteinAlphabet)
                  , n = [];
                if (this._nameToDescribedTrajectory.forEach((function(e, r) {
                    e.getMatchCost(i) < t._maximumAllowableMatchCost && n.push(r)
                }
                )),
                0 === n.length)
                    return null;
                for (var r, o = 0, a = this._nameToDescribedTrajectory.get(n[o]).getMatchMinimumDistance(i), s = 0; s < n.length; ++s)
                    (r = this._nameToDescribedTrajectory.get(n[s]).getMatchMinimumDistance(i)) < a && (a = r,
                    o = s);
                return n[o]
            }
            ,
            e
        }()
          , GT = function() {
            function e(t, i, n) {
                var r = this;
                this._scene = t,
                K.Log("[Reflector] Connecting to ws://".concat(i, ":").concat(n)),
                this._webSocket = new WebSocket("ws://".concat(i, ":").concat(n)),
                this._webSocket.onmessage = function(t) {
                    var i = t.data;
                    if (ae(i, e._SERVER_PREFIX)) {
                        var n = i.substr(e._SERVER_PREFIX.length);
                        return K.Log("[Reflector] Received server message: ".concat(n.substr(0, 64))),
                        void r._handleServerMessage(n)
                    }
                    K.Log("[Reflector] Received client message: ".concat(i.substr(0, 64))),
                    r._handleClientMessage()
                }
                ,
                this._webSocket.onclose = function(e) {
                    K.Log("[Reflector] Disconnected ".concat(e.code, " ").concat(e.reason))
                }
            }
            return e.prototype.close = function() {
                this._webSocket.close()
            }
            ,
            e.prototype._handleServerMessage = function(e) {
                var t = this;
                "connected" === e && ET.SerializeAsync(this._scene).then((function(e) {
                    t._webSocket.send("load|".concat(JSON.stringify(e)))
                }
                ))
            }
            ,
            e.prototype._handleClientMessage = function() {}
            ,
            e._SERVER_PREFIX = "$$",
            e
        }()
          , zT = function() {
            function e(e) {
                this._view = new Float32Array(e),
                this._itemLength = 0
            }
            return Object.defineProperty(e.prototype, "itemLength", {
                get: function() {
                    return this._itemLength
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.at = function(e) {
                return e < 0 || e >= this._itemLength ? NaN : this._view[e]
            }
            ,
            e.prototype.subarray = function(e, t) {
                return e >= t || e < 0 ? new Float32Array(0) : (t > this._itemLength && (t = this._itemLength),
                this._view.subarray(e, t))
            }
            ,
            e.prototype.push = function(e) {
                this._view[this._itemLength] = e,
                this._itemLength++,
                this._itemLength >= this._view.length && this._growArray()
            }
            ,
            e.prototype._growArray = function() {
                var e = Math.floor(1.5 * this._view.length)
                  , t = new Float32Array(e);
                t.set(this._view),
                this._view = t
            }
            ,
            e
        }()
          , WT = 1800
          , HT = "timestamp"
          , XT = "numPoints"
          , jT = /\r/g
          , YT = "@"
          , KT = function() {
            function e(t, i) {
                var n = this;
                this._scene = t,
                this._collectDataAtFrame = function() {
                    var t = ct.Now - n._startingTimestamp
                      , i = n.datasets.ids.length
                      , r = n.datasets.startingIndices.itemLength
                      , o = 0;
                    if (r > 0) {
                        var a = n.datasets.startingIndices.at(r - 1);
                        o = a + n.datasets.data.at(a + e.NumberOfPointsOffset) + e.SliceDataOffset
                    }
                    if (n.datasets.startingIndices.push(o),
                    n.datasets.data.push(t),
                    n.datasets.data.push(i),
                    n.datasets.ids.forEach((function(e) {
                        var t = n._strategies.get(e);
                        t && n.datasets.data.push(t.getData())
                    }
                    )),
                    n.datasetObservable.hasObservers()) {
                        for (var s = [t, i], l = 0; l < i; l++)
                            s.push(n.datasets.data.at(o + e.SliceDataOffset + l));
                        n.datasetObservable.notifyObservers(s)
                    }
                }
                ,
                this.datasets = {
                    ids: [],
                    data: new zT(WT),
                    startingIndices: new zT(WT)
                },
                this._strategies = new Map,
                this._datasetMeta = new Map,
                this._eventRestoreSet = new Set,
                this._customEventObservable = new h,
                this.datasetObservable = new h,
                this.metadataObservable = new h((function(e) {
                    return e.callback(n._datasetMeta, new l(0))
                }
                )),
                i && this.addCollectionStrategies.apply(this, i)
            }
            return Object.defineProperty(e, "SliceDataOffset", {
                get: function() {
                    return 2
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e, "NumberOfPointsOffset", {
                get: function() {
                    return 1
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.registerEvent = function(e, t, i) {
                var n, r = this;
                if (!this._strategies.has(e) || t) {
                    this._strategies.has(e) && t && (null === (n = this._strategies.get(e)) || void 0 === n || n.dispose(),
                    this._strategies.delete(e));
                    var o = {
                        name: e
                    };
                    return this._eventRestoreSet.add(e),
                    this.addCollectionStrategies({
                        strategyCallback: function(t) {
                            var i = 0
                              , n = 0
                              , o = t.onAfterRenderObservable.add((function() {
                                n = i,
                                i = 0
                            }
                            ))
                              , a = r._customEventObservable.add((function(t) {
                                e === t.name && (void 0 !== t.value ? i = t.value : i++)
                            }
                            ));
                            return {
                                id: e,
                                getData: function() {
                                    return n
                                },
                                dispose: function() {
                                    t.onAfterRenderObservable.remove(o),
                                    r._customEventObservable.remove(a)
                                }
                            }
                        },
                        category: i
                    }),
                    o
                }
            }
            ,
            e.prototype.sendEvent = function(e) {
                this._customEventObservable.notifyObservers(e)
            }
            ,
            e.prototype._restoreStringEvents = function() {
                var e = this;
                this._eventRestoreSet.size !== this._customEventObservable.observers.length && this._eventRestoreSet.forEach((function(t) {
                    e.registerEvent(t, !0)
                }
                ))
            }
            ,
            e.prototype.addCollectionStrategies = function() {
                for (var e = [], t = 0; t < arguments.length; t++)
                    e[t] = arguments[t];
                for (var i = 0, n = e; i < n.length; i++) {
                    var r = n[i]
                      , o = r.strategyCallback
                      , a = r.category
                      , s = r.hidden
                      , l = o(this._scene);
                    this._strategies.has(l.id) ? l.dispose() : (this.datasets.ids.push(l.id),
                    a && (a = a.replace(new RegExp(YT,"g"), "")),
                    this._datasetMeta.set(l.id, {
                        color: this._getHexColorFromId(l.id),
                        category: a,
                        hidden: s
                    }),
                    this._strategies.set(l.id, l))
                }
                this.metadataObservable.notifyObservers(this._datasetMeta)
            }
            ,
            e.prototype._getHexColorFromId = function(e) {
                for (var t = 0, i = 0; i < e.length; i++)
                    t = e.charCodeAt(i) + ((t << 5) - t);
                var n = "#";
                for (i = 0; i < 24; i += 8)
                    n += ("0" + (t >> i & 255).toString(16)).substr(-2);
                return n
            }
            ,
            e.prototype.getCurrentSlice = function() {
                var e = this
                  , t = [ct.Now - this._startingTimestamp, this.datasets.ids.length];
                this.datasets.ids.forEach((function(i) {
                    var n = e._strategies.get(i);
                    n && e.datasetObservable.hasObservers() && t.push(n.getData())
                }
                )),
                this.datasetObservable.hasObservers() && this.datasetObservable.notifyObservers(t)
            }
            ,
            e.prototype.updateMetadata = function(e, t, i) {
                var n = this._datasetMeta.get(e);
                n && (n[t] = i,
                this.metadataObservable.notifyObservers(this._datasetMeta))
            }
            ,
            e.prototype.clear = function(e) {
                this.datasets.data = new zT(WT),
                this.datasets.ids.length = 0,
                this.datasets.startingIndices = new zT(WT),
                this._datasetMeta.clear(),
                this._strategies.forEach((function(e) {
                    return e.dispose()
                }
                )),
                this._strategies.clear(),
                e || this._eventRestoreSet.clear(),
                this._hasLoadedData = !1
            }
            ,
            Object.defineProperty(e.prototype, "hasLoadedData", {
                get: function() {
                    return this._hasLoadedData
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.loadFromFileData = function(t, i) {
                var n = t.replace(jT, "").split("\n").map((function(e) {
                    return e.split(",").filter((function(e) {
                        return e.length > 0
                    }
                    ))
                }
                )).filter((function(e) {
                    return e.length > 0
                }
                ))
                  , r = e.NumberOfPointsOffset;
                if (n.length < 2)
                    return !1;
                var o = {
                    ids: [],
                    data: new zT(WT),
                    startingIndices: new zT(WT)
                }
                  , a = n[0]
                  , s = n.slice(1);
                if (a.length < 2 || a[0] !== HT || a[r] !== XT)
                    return !1;
                for (var l = new Map, c = e.SliceDataOffset; c < a.length; c++) {
                    var u = a[c].split(YT)
                      , h = u[0]
                      , d = u[1];
                    o.ids.push(h),
                    l.set(h, d)
                }
                for (var p = 0, f = 0, _ = s; f < _.length; f++) {
                    var m = _[f];
                    if (m.length < 2)
                        return !1;
                    var g = parseFloat(m[0])
                      , v = parseInt(m[r]);
                    if (isNaN(v) || isNaN(g))
                        return !1;
                    if (o.data.push(g),
                    o.data.push(v),
                    v + e.SliceDataOffset !== m.length)
                        return !1;
                    for (c = e.SliceDataOffset; c < m.length; c++) {
                        var y = parseFloat(m[c]);
                        if (isNaN(y))
                            return !1;
                        o.data.push(y)
                    }
                    o.startingIndices.push(p),
                    p += m.length
                }
                if (this.datasets.ids = o.ids,
                this.datasets.data = o.data,
                this.datasets.startingIndices = o.startingIndices,
                i || this._datasetMeta.clear(),
                this._strategies.forEach((function(e) {
                    return e.dispose()
                }
                )),
                this._strategies.clear(),
                !i)
                    for (var b = 0, T = this.datasets.ids; b < T.length; b++)
                        h = T[b],
                        d = l.get(h),
                        this._datasetMeta.set(h, {
                            category: d,
                            color: this._getHexColorFromId(h)
                        });
                return this.metadataObservable.notifyObservers(this._datasetMeta),
                this._hasLoadedData = !0,
                !0
            }
            ,
            e.prototype.exportDataToCsv = function() {
                var t = "";
                t += "".concat(HT, ",").concat(XT);
                for (var i = 0; i < this.datasets.ids.length; i++)
                    if (t += ",".concat(this.datasets.ids[i]),
                    this._datasetMeta) {
                        var n = this._datasetMeta.get(this.datasets.ids[i]);
                        (null == n ? void 0 : n.category) && (t += "".concat(YT).concat(n.category))
                    }
                for (t += "\n",
                i = 0; i < this.datasets.startingIndices.itemLength; i++) {
                    var r = this.datasets.startingIndices.at(i)
                      , o = this.datasets.data.at(r)
                      , a = this.datasets.data.at(r + e.NumberOfPointsOffset);
                    t += "".concat(o, ",").concat(a);
                    for (var s = 0; s < a; s++)
                        t += ",".concat(this.datasets.data.at(r + e.SliceDataOffset + s));
                    for (var l = 0; l < this.datasets.ids.length - a; l++)
                        t += ",";
                    t += "\n"
                }
                var c = "".concat((new Date).toISOString(), "-perfdata.csv");
                gi.Download(new Blob([t],{
                    type: "text/csv"
                }), c)
            }
            ,
            e.prototype.start = function(e) {
                e ? void 0 === this._startingTimestamp && (this._startingTimestamp = ct.Now) : (this.datasets.data = new zT(WT),
                this.datasets.startingIndices = new zT(WT),
                this._startingTimestamp = ct.Now),
                this._scene.onAfterRenderObservable.add(this._collectDataAtFrame),
                this._restoreStringEvents(),
                this._isStarted = !0
            }
            ,
            e.prototype.stop = function() {
                this._scene.onAfterRenderObservable.removeCallback(this._collectDataAtFrame),
                this._isStarted = !1
            }
            ,
            Object.defineProperty(e.prototype, "isStarted", {
                get: function() {
                    return this._isStarted
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.dispose = function() {
                this._scene.onAfterRenderObservable.removeCallback(this._collectDataAtFrame),
                this._datasetMeta.clear(),
                this._strategies.forEach((function(e) {
                    e.dispose()
                }
                )),
                this.datasetObservable.clear(),
                this.metadataObservable.clear(),
                this._isStarted = !1,
                this.datasets = null
            }
            ,
            e
        }()
          , QT = function() {}
          , qT = function() {
            function e() {}
            return e.FpsStrategy = function() {
                return function(e) {
                    var t = e.getEngine();
                    return {
                        id: "FPS",
                        getData: function() {
                            return t.getFps()
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.CpuStrategy = function() {
                return function(e) {
                    var t = 0
                      , i = e.onComputePressureChanged.add((function(e) {
                        t = e.cpuUtilization
                    }
                    ));
                    return {
                        id: "CPU utilization",
                        getData: function() {
                            return t
                        },
                        dispose: function() {
                            return e.onComputePressureChanged.remove(i)
                        }
                    }
                }
            }
            ,
            e.TotalMeshesStrategy = function() {
                return function(e) {
                    return {
                        id: "Total meshes",
                        getData: function() {
                            return e.meshes.length
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.ActiveMeshesStrategy = function() {
                return function(e) {
                    return {
                        id: "Active meshes",
                        getData: function() {
                            return e.getActiveMeshes().length
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.ActiveIndicesStrategy = function() {
                return function(e) {
                    return {
                        id: "Active indices",
                        getData: function() {
                            return e.getActiveIndices()
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.ActiveFacesStrategy = function() {
                return function(e) {
                    return {
                        id: "Active faces",
                        getData: function() {
                            return e.getActiveIndices() / 3
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.ActiveBonesStrategy = function() {
                return function(e) {
                    return {
                        id: "Active bones",
                        getData: function() {
                            return e.getActiveBones()
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.ActiveParticlesStrategy = function() {
                return function(e) {
                    return {
                        id: "Active particles",
                        getData: function() {
                            return e.getActiveParticles()
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.DrawCallsStrategy = function() {
                return function(e) {
                    var t = 0
                      , i = e.onBeforeAnimationsObservable.add((function() {
                        e.getEngine()._drawCalls.fetchNewFrame()
                    }
                    ))
                      , n = e.onAfterRenderObservable.add((function() {
                        t = e.getEngine()._drawCalls.current
                    }
                    ));
                    return {
                        id: "Draw calls",
                        getData: function() {
                            return t
                        },
                        dispose: function() {
                            e.onBeforeAnimationsObservable.remove(i),
                            e.onAfterRenderObservable.remove(n)
                        }
                    }
                }
            }
            ,
            e.TotalLightsStrategy = function() {
                return function(e) {
                    return {
                        id: "Total lights",
                        getData: function() {
                            return e.lights.length
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.TotalVerticesStrategy = function() {
                return function(e) {
                    return {
                        id: "Total vertices",
                        getData: function() {
                            return e.getTotalVertices()
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.TotalMaterialsStrategy = function() {
                return function(e) {
                    return {
                        id: "Total materials",
                        getData: function() {
                            return e.materials.length
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.TotalTexturesStrategy = function() {
                return function(e) {
                    return {
                        id: "Total textures",
                        getData: function() {
                            return e.textures.length
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.AbsoluteFpsStrategy = function() {
                return function(e) {
                    var t = new Yf(e);
                    return t.captureFrameTime = !0,
                    {
                        id: "Absolute FPS",
                        getData: function() {
                            return 1e3 / t.frameTimeCounter.lastSecAverage
                        },
                        dispose: QT
                    }
                }
            }
            ,
            e.MeshesSelectionStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeActiveMeshesEvaluationObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterActiveMeshesEvaluationObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Meshes Selection",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeActiveMeshesEvaluationObservable.remove(n),
                            e.onAfterActiveMeshesEvaluationObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.RenderTargetsStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeRenderTargetsRenderObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterRenderTargetsRenderObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Render Targets",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeRenderTargetsRenderObservable.remove(n),
                            e.onAfterRenderTargetsRenderObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.ParticlesStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeParticlesRenderingObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterParticlesRenderingObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Particles",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeParticlesRenderingObservable.remove(n),
                            e.onAfterParticlesRenderingObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.SpritesStrategy = function() {
                return function(e) {
                    var t, i, n = ct.Now, r = 0, o = null === (t = e.onBeforeSpritesRenderingObservable) || void 0 === t ? void 0 : t.add((function() {
                        n = ct.Now
                    }
                    )), a = null === (i = e.onAfterSpritesRenderingObservable) || void 0 === i ? void 0 : i.add((function() {
                        r = ct.Now - n
                    }
                    ));
                    return {
                        id: "Sprites",
                        getData: function() {
                            return r
                        },
                        dispose: function() {
                            var t, i;
                            null === (t = e.onBeforeSpritesRenderingObservable) || void 0 === t || t.remove(o),
                            null === (i = e.onAfterSpritesRenderingObservable) || void 0 === i || i.remove(a)
                        }
                    }
                }
            }
            ,
            e.AnimationsStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeAnimationsObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterAnimationsObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Animations",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeAnimationsObservable.remove(n),
                            e.onAfterAnimationsObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.PhysicsStrategy = function() {
                return function(e) {
                    var t, i, n = ct.Now, r = 0, o = null === (t = e.onBeforePhysicsObservable) || void 0 === t ? void 0 : t.add((function() {
                        n = ct.Now
                    }
                    )), a = null === (i = e.onAfterPhysicsObservable) || void 0 === i ? void 0 : i.add((function() {
                        r = ct.Now - n
                    }
                    ));
                    return {
                        id: "Physics",
                        getData: function() {
                            return r
                        },
                        dispose: function() {
                            var t, i;
                            null === (t = e.onBeforePhysicsObservable) || void 0 === t || t.remove(o),
                            null === (i = e.onAfterPhysicsObservable) || void 0 === i || i.remove(a)
                        }
                    }
                }
            }
            ,
            e.RenderStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeDrawPhaseObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterDrawPhaseObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Render",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeDrawPhaseObservable.remove(n),
                            e.onAfterDrawPhaseObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.FrameTotalStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeAnimationsObservable.add((function() {
                        t = ct.Now
                    }
                    ))
                      , r = e.onAfterRenderObservable.add((function() {
                        i = ct.Now - t
                    }
                    ));
                    return {
                        id: "Frame Total",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeAnimationsObservable.remove(n),
                            e.onAfterRenderObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.InterFrameStrategy = function() {
                return function(e) {
                    var t = ct.Now
                      , i = 0
                      , n = e.onBeforeAnimationsObservable.add((function() {
                        i = ct.Now - t
                    }
                    ))
                      , r = e.onAfterRenderObservable.add((function() {
                        t = ct.Now
                    }
                    ));
                    return {
                        id: "Inter-frame",
                        getData: function() {
                            return i
                        },
                        dispose: function() {
                            e.onBeforeAnimationsObservable.remove(n),
                            e.onAfterRenderObservable.remove(r)
                        }
                    }
                }
            }
            ,
            e.GpuFrameTimeStrategy = function() {
                return function(e) {
                    var t = new jf(e.getEngine());
                    return t.captureGPUFrameTime = !0,
                    {
                        id: "GPU frame time",
                        getData: function() {
                            return Math.max(1e-6 * t.gpuFrameTimeCounter.current, 0)
                        },
                        dispose: function() {
                            t.dispose()
                        }
                    }
                }
            }
            ,
            e
        }();
        mn.prototype.getPerfCollector = function() {
            return this._perfCollector || (this._perfCollector = new KT(this)),
            this._perfCollector
        }
        ,
        h.prototype.runCoroutineAsync = function(e) {
            if (!this._coroutineScheduler) {
                var t = (i = this,
                n = new Array,
                r = new Array,
                o = new Array,
                a = i.add((function() {
                    for (var e = n.length, t = 0; t < e; t++)
                        jn(n.shift(), r.shift(), o.shift())
                }
                )),
                {
                    scheduler: function(e, t, i) {
                        n.push(e),
                        r.push(t),
                        o.push(i)
                    },
                    dispose: function() {
                        i.remove(a)
                    }
                });
                this._coroutineScheduler = t.scheduler,
                this._coroutineSchedulerDispose = t.dispose
            }
            var i, n, r, o, a;
            return qn(e, this._coroutineScheduler)
        }
        ,
        h.prototype.cancelAllCoroutines = function() {
            this._coroutineSchedulerDispose && this._coroutineSchedulerDispose(),
            this._coroutineScheduler = void 0,
            this._coroutineSchedulerDispose = void 0
        }
        ;
        var ZT = function(e) {
            function t(i, n) {
                void 0 === n && (n = {});
                var r = e.call(this, i) || this;
                return r.options = n,
                r._direction = new x(0,0,-1),
                r._mat = new P,
                r._onSelectEnabled = !1,
                r._origin = new x(0,0,0),
                r.lastNativeXRHitResults = [],
                r.onHitTestResultObservable = new h,
                r._onHitTestResults = function(e) {
                    var t = e.map((function(e) {
                        var t = P.FromArray(e.hitMatrix);
                        return r._xrSessionManager.scene.useRightHandedSystem || t.toggleModelMatrixHandInPlace(),
                        r.options.worldParentNode && t.multiplyToRef(r.options.worldParentNode.getWorldMatrix(), t),
                        {
                            xrHitResult: e,
                            transformationMatrix: t
                        }
                    }
                    ));
                    r.lastNativeXRHitResults = e,
                    r.onHitTestResultObservable.notifyObservers(t)
                }
                ,
                r._onSelect = function(e) {
                    r._onSelectEnabled && t.XRHitTestWithSelectEvent(e, r._xrSessionManager.referenceSpace)
                }
                ,
                r.xrNativeFeatureName = "hit-test",
                gi.Warn("A newer version of this plugin is available"),
                r
            }
            return U(t, e),
            t.XRHitTestWithRay = function(e, t, i, n) {
                return e.requestHitTest(t, i).then((function(e) {
                    var t = n || function(e) {
                        return !!e.hitMatrix
                    }
                    ;
                    return e.filter(t)
                }
                ))
            }
            ,
            t.XRHitTestWithSelectEvent = function(e, t) {
                var i = e.frame.getPose(e.inputSource.targetRaySpace, t);
                if (!i)
                    return Promise.resolve([]);
                var n = new XRRay(i.transform);
                return this.XRHitTestWithRay(e.frame.session, n, t)
            }
            ,
            t.prototype.attach = function() {
                return !!e.prototype.attach.call(this) && (this.options.testOnPointerDownOnly && this._xrSessionManager.session.addEventListener("select", this._onSelect, !1),
                !0)
            }
            ,
            t.prototype.detach = function() {
                return !!e.prototype.detach.call(this) && (this._onSelectEnabled = !1,
                this._xrSessionManager.session.removeEventListener("select", this._onSelect),
                !0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onHitTestResultObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {
                if (this.attached && !this.options.testOnPointerDownOnly) {
                    var i = e.getViewerPose(this._xrSessionManager.referenceSpace);
                    if (i) {
                        P.FromArrayToRef(i.transform.matrix, 0, this._mat),
                        x.TransformCoordinatesFromFloatsToRef(0, 0, 0, this._mat, this._origin),
                        x.TransformCoordinatesFromFloatsToRef(0, 0, -1, this._mat, this._direction),
                        this._direction.subtractInPlace(this._origin),
                        this._direction.normalize();
                        var n = new XRRay({
                            x: this._origin.x,
                            y: this._origin.y,
                            z: this._origin.z,
                            w: 0
                        },{
                            x: this._direction.x,
                            y: this._direction.y,
                            z: this._direction.z,
                            w: 0
                        });
                        t.XRHitTestWithRay(this._xrSessionManager.session, n, this._xrSessionManager.referenceSpace).then(this._onHitTestResults)
                    }
                }
            }
            ,
            t.Name = Io.HIT_TEST,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(ZT.Name, (function(e, t) {
            return function() {
                return new ZT(e,t)
            }
        }
        ), ZT.Version, !1);
        var JT = 0
          , $T = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n._options = i,
                n._lastFrameDetected = new Set,
                n._trackedAnchors = [],
                n._futureAnchors = [],
                n.onAnchorAddedObservable = new h,
                n.onAnchorRemovedObservable = new h,
                n.onAnchorUpdatedObservable = new h,
                n._tmpVector = new x,
                n._tmpQuaternion = new C,
                n.xrNativeFeatureName = "anchors",
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "referenceSpaceForFrameAnchors", {
                set: function(e) {
                    this._referenceSpaceForFrameAnchors = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._populateTmpTransformation = function(e, t) {
                return this._tmpVector.copyFrom(e),
                this._tmpQuaternion.copyFrom(t),
                this._xrSessionManager.scene.useRightHandedSystem || (this._tmpVector.z *= -1,
                this._tmpQuaternion.z *= -1,
                this._tmpQuaternion.w *= -1),
                {
                    position: this._tmpVector,
                    rotationQuaternion: this._tmpQuaternion
                }
            }
            ,
            t.prototype.addAnchorPointUsingHitTestResultAsync = function(e, t, i) {
                return void 0 === t && (t = new x),
                void 0 === i && (i = new C),
                G(this, void 0, void 0, (function() {
                    var n, r, o, a = this;
                    return z(this, (function(s) {
                        switch (s.label) {
                        case 0:
                            if (this._populateTmpTransformation(t, i),
                            n = new XRRigidTransform({
                                x: this._tmpVector.x,
                                y: this._tmpVector.y,
                                z: this._tmpVector.z
                            },{
                                x: this._tmpQuaternion.x,
                                y: this._tmpQuaternion.y,
                                z: this._tmpQuaternion.z,
                                w: this._tmpQuaternion.w
                            }),
                            e.xrHitResult.createAnchor)
                                return [3, 1];
                            throw this.detach(),
                            new Error("Anchors not enabled in this environment/browser");
                        case 1:
                            return s.trys.push([1, 3, , 4]),
                            [4, e.xrHitResult.createAnchor(n)];
                        case 2:
                            return r = s.sent(),
                            [2, new Promise((function(e, t) {
                                a._futureAnchors.push({
                                    nativeAnchor: r,
                                    resolved: !1,
                                    submitted: !0,
                                    xrTransformation: n,
                                    resolve: e,
                                    reject: t
                                })
                            }
                            ))];
                        case 3:
                            throw o = s.sent(),
                            new Error(o);
                        case 4:
                            return [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype.addAnchorAtPositionAndRotationAsync = function(e, t, i) {
                return void 0 === t && (t = new C),
                void 0 === i && (i = !1),
                G(this, void 0, void 0, (function() {
                    var n, r, o, a = this;
                    return z(this, (function(s) {
                        switch (s.label) {
                        case 0:
                            return this._populateTmpTransformation(e, t),
                            n = new XRRigidTransform({
                                x: this._tmpVector.x,
                                y: this._tmpVector.y,
                                z: this._tmpVector.z
                            },{
                                x: this._tmpQuaternion.x,
                                y: this._tmpQuaternion.y,
                                z: this._tmpQuaternion.z,
                                w: this._tmpQuaternion.w
                            }),
                            i && this.attached && this._xrSessionManager.currentFrame ? [4, this._createAnchorAtTransformation(n, this._xrSessionManager.currentFrame)] : [3, 2];
                        case 1:
                            return o = s.sent(),
                            [3, 3];
                        case 2:
                            o = void 0,
                            s.label = 3;
                        case 3:
                            return r = o,
                            [2, new Promise((function(e, t) {
                                a._futureAnchors.push({
                                    nativeAnchor: r,
                                    resolved: !1,
                                    submitted: !1,
                                    xrTransformation: n,
                                    resolve: e,
                                    reject: t
                                })
                            }
                            ))]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            Object.defineProperty(t.prototype, "anchors", {
                get: function() {
                    return this._trackedAnchors
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.detach = function() {
                if (!e.prototype.detach.call(this))
                    return !1;
                if (!this._options.doNotRemoveAnchorsOnSessionEnded)
                    for (; this._trackedAnchors.length; ) {
                        var t = this._trackedAnchors.pop();
                        if (t) {
                            try {
                                t.remove()
                            } catch (e) {}
                            this.onAnchorRemovedObservable.notifyObservers(t)
                        }
                    }
                return !0
            }
            ,
            t.prototype.dispose = function() {
                this._futureAnchors.length = 0,
                e.prototype.dispose.call(this),
                this.onAnchorAddedObservable.clear(),
                this.onAnchorRemovedObservable.clear(),
                this.onAnchorUpdatedObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = this;
                if (this.attached && e) {
                    var i = e.trackedAnchors;
                    if (i) {
                        var n = this._trackedAnchors.filter((function(e) {
                            return !i.has(e.xrAnchor)
                        }
                        )).map((function(e) {
                            return t._trackedAnchors.indexOf(e)
                        }
                        ))
                          , r = 0;
                        n.forEach((function(e) {
                            var i = t._trackedAnchors.splice(e - r, 1)[0];
                            t.onAnchorRemovedObservable.notifyObservers(i),
                            r++
                        }
                        )),
                        i.forEach((function(i) {
                            if (t._lastFrameDetected.has(i)) {
                                var n = t._findIndexInAnchorArray(i);
                                o = t._trackedAnchors[n];
                                try {
                                    t._updateAnchorWithXRFrame(i, o, e),
                                    o.attachedNode && (o.attachedNode.rotationQuaternion = o.attachedNode.rotationQuaternion || new C,
                                    o.transformationMatrix.decompose(o.attachedNode.scaling, o.attachedNode.rotationQuaternion, o.attachedNode.position)),
                                    t.onAnchorUpdatedObservable.notifyObservers(o)
                                } catch (e) {
                                    gi.Warn("Anchor could not be updated")
                                }
                            } else {
                                var r = {
                                    id: JT++,
                                    xrAnchor: i,
                                    remove: function() {
                                        return i.delete()
                                    }
                                }
                                  , o = t._updateAnchorWithXRFrame(i, r, e);
                                t._trackedAnchors.push(o),
                                t.onAnchorAddedObservable.notifyObservers(o);
                                var a = t._futureAnchors.filter((function(e) {
                                    return e.nativeAnchor === i
                                }
                                ))[0];
                                a && (a.resolve(o),
                                a.resolved = !0)
                            }
                        }
                        )),
                        this._lastFrameDetected = i
                    }
                    this._futureAnchors.forEach((function(i) {
                        i.resolved || i.submitted || (t._createAnchorAtTransformation(i.xrTransformation, e).then((function(e) {
                            i.nativeAnchor = e
                        }
                        ), (function(e) {
                            i.resolved = !0,
                            i.reject(e)
                        }
                        )),
                        i.submitted = !0)
                    }
                    ))
                }
            }
            ,
            t.prototype._findIndexInAnchorArray = function(e) {
                for (var t = 0; t < this._trackedAnchors.length; ++t)
                    if (this._trackedAnchors[t].xrAnchor === e)
                        return t;
                return -1
            }
            ,
            t.prototype._updateAnchorWithXRFrame = function(e, t, i) {
                var n = i.getPose(e.anchorSpace, this._xrSessionManager.referenceSpace);
                if (n) {
                    var r = t.transformationMatrix || new P;
                    P.FromArrayToRef(n.transform.matrix, 0, r),
                    this._xrSessionManager.scene.useRightHandedSystem || r.toggleModelMatrixHandInPlace(),
                    t.transformationMatrix = r,
                    this._options.worldParentNode && r.multiplyToRef(this._options.worldParentNode.getWorldMatrix(), r)
                }
                return t
            }
            ,
            t.prototype._createAnchorAtTransformation = function(e, t) {
                var i;
                return G(this, void 0, void 0, (function() {
                    return z(this, (function(n) {
                        if (!t.createAnchor)
                            throw this.detach(),
                            new Error("Anchors are not enabled in your browser");
                        try {
                            return [2, t.createAnchor(e, null !== (i = this._referenceSpaceForFrameAnchors) && void 0 !== i ? i : this._xrSessionManager.referenceSpace)]
                        } catch (e) {
                            throw new Error(e)
                        }
                        return [2]
                    }
                    ))
                }
                ))
            }
            ,
            t.Name = Io.ANCHOR_SYSTEM,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature($T.Name, (function(e, t) {
            return function() {
                return new $T(e,t)
            }
        }
        ), $T.Version);
        var eE = 0
          , tE = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n._options = i,
                n._detectedPlanes = [],
                n._enabled = !1,
                n._lastFrameDetected = new Set,
                n.onPlaneAddedObservable = new h,
                n.onPlaneRemovedObservable = new h,
                n.onPlaneUpdatedObservable = new h,
                n.xrNativeFeatureName = "plane-detection",
                n._xrSessionManager.session ? n._init() : n._xrSessionManager.onXRSessionInit.addOnce((function() {
                    n._init()
                }
                )),
                n
            }
            return U(t, e),
            t.prototype.detach = function() {
                if (!e.prototype.detach.call(this))
                    return !1;
                if (!this._options.doNotRemovePlanesOnSessionEnded)
                    for (; this._detectedPlanes.length; ) {
                        var t = this._detectedPlanes.pop();
                        t && this.onPlaneRemovedObservable.notifyObservers(t)
                    }
                return !0
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onPlaneAddedObservable.clear(),
                this.onPlaneRemovedObservable.clear(),
                this.onPlaneUpdatedObservable.clear()
            }
            ,
            t.prototype.isCompatible = function() {
                return "undefined" != typeof XRPlane
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t, i = this;
                if (this.attached && this._enabled && e) {
                    var n = e.detectedPlanes || (null === (t = e.worldInformation) || void 0 === t ? void 0 : t.detectedPlanes);
                    if (n) {
                        for (var r = 0; r < this._detectedPlanes.length; r++) {
                            var o = this._detectedPlanes[r];
                            n.has(o.xrPlane) || (this._detectedPlanes.splice(r--, 1),
                            this.onPlaneRemovedObservable.notifyObservers(o))
                        }
                        n.forEach((function(t) {
                            if (i._lastFrameDetected.has(t)) {
                                if (t.lastChangedTime === i._xrSessionManager.currentTimestamp) {
                                    var n = i._findIndexInPlaneArray(t);
                                    o = i._detectedPlanes[n],
                                    i._updatePlaneWithXRPlane(t, o, e),
                                    i.onPlaneUpdatedObservable.notifyObservers(o)
                                }
                            } else {
                                var r = {
                                    id: eE++,
                                    xrPlane: t,
                                    polygonDefinition: []
                                }
                                  , o = i._updatePlaneWithXRPlane(t, r, e);
                                i._detectedPlanes.push(o),
                                i.onPlaneAddedObservable.notifyObservers(o)
                            }
                        }
                        )),
                        this._lastFrameDetected = n
                    }
                }
            }
            ,
            t.prototype._init = function() {
                var e = this
                  , t = function() {
                    e._enabled = !0,
                    e._detectedPlanes.length && (e._detectedPlanes.length = 0)
                };
                this._xrSessionManager.isNative && this._options.preferredDetectorOptions && this._xrSessionManager.session.trySetPreferredPlaneDetectorOptions && this._xrSessionManager.session.trySetPreferredPlaneDetectorOptions(this._options.preferredDetectorOptions),
                this._xrSessionManager.session.updateWorldTrackingState ? (this._xrSessionManager.session.updateWorldTrackingState({
                    planeDetectionState: {
                        enabled: !0
                    }
                }),
                t()) : t()
            }
            ,
            t.prototype._updatePlaneWithXRPlane = function(e, t, i) {
                var n = this;
                t.polygonDefinition = e.polygon.map((function(e) {
                    var t = n._xrSessionManager.scene.useRightHandedSystem ? 1 : -1;
                    return new x(e.x,e.y,e.z * t)
                }
                ));
                var r = i.getPose(e.planeSpace, this._xrSessionManager.referenceSpace);
                if (r) {
                    var o = t.transformationMatrix || new P;
                    P.FromArrayToRef(r.transform.matrix, 0, o),
                    this._xrSessionManager.scene.useRightHandedSystem || o.toggleModelMatrixHandInPlace(),
                    t.transformationMatrix = o,
                    this._options.worldParentNode && o.multiplyToRef(this._options.worldParentNode.getWorldMatrix(), o)
                }
                return t
            }
            ,
            t.prototype._findIndexInPlaneArray = function(e) {
                for (var t = 0; t < this._detectedPlanes.length; ++t)
                    if (this._detectedPlanes[t].xrPlane === e)
                        return t;
                return -1
            }
            ,
            t.Name = Io.PLANE_DETECTION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(tE.Name, (function(e, t) {
            return function() {
                return new tE(e,t)
            }
        }
        ), tE.Version);
        var iE = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n.options = i,
                n.onBackgroundStateChangedObservable = new h,
                n
            }
            return U(t, e),
            t.prototype.attach = function() {
                return this._setBackgroundState(!1),
                e.prototype.attach.call(this)
            }
            ,
            t.prototype.detach = function() {
                return this._setBackgroundState(!0),
                e.prototype.detach.call(this)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onBackgroundStateChangedObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {}
            ,
            t.prototype._setBackgroundState = function(e) {
                var t = this._xrSessionManager.scene;
                if (!this.options.ignoreEnvironmentHelper)
                    if (this.options.environmentHelperRemovalFlags) {
                        if (this.options.environmentHelperRemovalFlags.skyBox) {
                            var i = t.getMeshByName("BackgroundSkybox");
                            i && i.setEnabled(e)
                        }
                        if (this.options.environmentHelperRemovalFlags.ground) {
                            var n = t.getMeshByName("BackgroundPlane");
                            n && n.setEnabled(e)
                        }
                    } else {
                        var r = t.getMeshByName("BackgroundHelper");
                        r && r.setEnabled(e)
                    }
                this.options.backgroundMeshes && this.options.backgroundMeshes.forEach((function(t) {
                    return t.setEnabled(e)
                }
                )),
                this.onBackgroundStateChangedObservable.notifyObservers(e)
            }
            ,
            t.Name = Io.BACKGROUND_REMOVER,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(iE.Name, (function(e, t) {
            return function() {
                return new iE(e,t)
            }
        }
        ), iE.Version, !0);
        var nE = function() {}
          , rE = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n._options = i,
                n._attachController = function(e) {
                    n._controllers[e.uniqueId] || (n._xrSessionManager.scene.isPhysicsEnabled() || K.Warn("physics engine not enabled, skipped. Please add this controller manually."),
                    n._options.physicsProperties.useControllerMesh && e.inputSource.gamepad ? e.onMotionControllerInitObservable.addOnce((function(t) {
                        t._doNotLoadControllerMesh ? n._createPhysicsImpostor(e) : t.onModelLoadedObservable.addOnce((function() {
                            var i = new Vl(t.rootMesh,Vl.MeshImpostor,V({
                                mass: 0
                            }, n._options.physicsProperties))
                              , r = e.grip || e.pointer;
                            n._controllers[e.uniqueId] = {
                                xrController: e,
                                impostor: i,
                                oldPos: r.position.clone(),
                                oldRotation: r.rotationQuaternion.clone()
                            }
                        }
                        ))
                    }
                    )) : n._createPhysicsImpostor(e))
                }
                ,
                n._controllers = {},
                n._debugMode = !1,
                n._delta = 0,
                n._lastTimestamp = 0,
                n._tmpQuaternion = new C,
                n._tmpVector = new x,
                n._options.physicsProperties || (n._options.physicsProperties = {}),
                n
            }
            return U(t, e),
            t.prototype._createPhysicsImpostor = function(e) {
                var t = this._options.physicsProperties.impostorType || Vl.SphereImpostor
                  , i = this._options.physicsProperties.impostorSize || .1
                  , n = Dl("impostor-mesh-" + e.uniqueId, {
                    diameterX: "number" == typeof i ? i : i.width,
                    diameterY: "number" == typeof i ? i : i.height,
                    diameterZ: "number" == typeof i ? i : i.depth
                });
                n.isVisible = this._debugMode,
                n.isPickable = !1,
                n.rotationQuaternion = new C;
                var r = e.grip || e.pointer;
                n.position.copyFrom(r.position),
                n.rotationQuaternion.copyFrom(r.rotationQuaternion);
                var o = new Vl(n,t,V({
                    mass: 0
                }, this._options.physicsProperties));
                this._controllers[e.uniqueId] = {
                    xrController: e,
                    impostor: o,
                    impostorMesh: n
                }
            }
            ,
            t.prototype._enablePhysicsDebug = function() {
                var e = this;
                this._debugMode = !0,
                Object.keys(this._controllers).forEach((function(t) {
                    var i = e._controllers[t];
                    i.impostorMesh && (i.impostorMesh.isVisible = !0)
                }
                ))
            }
            ,
            t.prototype.addController = function(e) {
                this._attachController(e)
            }
            ,
            t.prototype.attach = function() {
                var t = this;
                if (!e.prototype.attach.call(this))
                    return !1;
                if (!this._options.xrInput)
                    return !0;
                if (this._options.xrInput.controllers.forEach(this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerAddedObservable, this._attachController),
                this._addNewAttachObserver(this._options.xrInput.onControllerRemovedObservable, (function(e) {
                    t._detachController(e.uniqueId)
                }
                )),
                this._options.enableHeadsetImpostor) {
                    var i = this._options.headsetImpostorParams || {
                        impostorType: Vl.SphereImpostor,
                        restitution: .8,
                        impostorSize: .3
                    }
                      , n = i.impostorSize || .3;
                    this._headsetMesh = Dl("headset-mesh", {
                        diameterX: "number" == typeof n ? n : n.width,
                        diameterY: "number" == typeof n ? n : n.height,
                        diameterZ: "number" == typeof n ? n : n.depth
                    }),
                    this._headsetMesh.rotationQuaternion = new C,
                    this._headsetMesh.isVisible = !1,
                    this._headsetImpostor = new Vl(this._headsetMesh,i.impostorType,V({
                        mass: 0
                    }, i))
                }
                return !0
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._controllers).forEach((function(e) {
                    t._detachController(e)
                }
                )),
                this._headsetMesh && this._headsetMesh.dispose(),
                !0)
            }
            ,
            t.prototype.getHeadsetImpostor = function() {
                return this._headsetImpostor
            }
            ,
            t.prototype.getImpostorForController = function(e) {
                var t = "string" == typeof e ? e : e.uniqueId;
                return this._controllers[t] ? this._controllers[t].impostor : null
            }
            ,
            t.prototype.setPhysicsProperties = function(e) {
                this._options.physicsProperties = V(V({}, this._options.physicsProperties), e)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t, i, n = this;
                if (this._delta = this._xrSessionManager.currentTimestamp - this._lastTimestamp,
                this._lastTimestamp = this._xrSessionManager.currentTimestamp,
                this._headsetMesh && this._headsetImpostor) {
                    if (this._headsetMesh.position.copyFrom(this._options.xrInput.xrCamera.globalPosition),
                    this._headsetMesh.rotationQuaternion.copyFrom(this._options.xrInput.xrCamera.absoluteRotation),
                    null === (t = this._options.xrInput.xrCamera._lastXRViewerPose) || void 0 === t ? void 0 : t.linearVelocity) {
                        var r = this._options.xrInput.xrCamera._lastXRViewerPose.linearVelocity;
                        this._tmpVector.set(r.x, r.y, r.z),
                        this._headsetImpostor.setLinearVelocity(this._tmpVector)
                    }
                    if (null === (i = this._options.xrInput.xrCamera._lastXRViewerPose) || void 0 === i ? void 0 : i.angularVelocity) {
                        var o = this._options.xrInput.xrCamera._lastXRViewerPose.angularVelocity;
                        this._tmpVector.set(o.x, o.y, o.z),
                        this._headsetImpostor.setAngularVelocity(this._tmpVector)
                    }
                }
                Object.keys(this._controllers).forEach((function(e) {
                    var t, i, r = n._controllers[e], o = r.xrController.grip || r.xrController.pointer, a = r.oldPos || r.impostorMesh.position;
                    if (null === (t = r.xrController._lastXRPose) || void 0 === t ? void 0 : t.linearVelocity) {
                        var s = r.xrController._lastXRPose.linearVelocity;
                        n._tmpVector.set(s.x, s.y, s.z),
                        r.impostor.setLinearVelocity(n._tmpVector)
                    } else
                        o.position.subtractToRef(a, n._tmpVector),
                        n._tmpVector.scaleInPlace(1e3 / n._delta),
                        r.impostor.setLinearVelocity(n._tmpVector);
                    a.copyFrom(o.position),
                    n._debugMode && console.log(n._tmpVector, "linear");
                    var l = r.oldRotation || r.impostorMesh.rotationQuaternion;
                    if (null === (i = r.xrController._lastXRPose) || void 0 === i ? void 0 : i.angularVelocity) {
                        var c = r.xrController._lastXRPose.angularVelocity;
                        n._tmpVector.set(c.x, c.y, c.z),
                        r.impostor.setAngularVelocity(n._tmpVector)
                    } else if (!l.equalsWithEpsilon(o.rotationQuaternion)) {
                        l.conjugateInPlace().multiplyToRef(o.rotationQuaternion, n._tmpQuaternion);
                        var u = Math.sqrt(n._tmpQuaternion.x * n._tmpQuaternion.x + n._tmpQuaternion.y * n._tmpQuaternion.y + n._tmpQuaternion.z * n._tmpQuaternion.z);
                        if (n._tmpVector.set(n._tmpQuaternion.x, n._tmpQuaternion.y, n._tmpQuaternion.z),
                        u < .001)
                            n._tmpVector.scaleInPlace(2);
                        else {
                            var h = 2 * Math.atan2(u, n._tmpQuaternion.w);
                            n._tmpVector.scaleInPlace(h / (u * (n._delta / 1e3)))
                        }
                        r.impostor.setAngularVelocity(n._tmpVector)
                    }
                    l.copyFrom(o.rotationQuaternion),
                    n._debugMode && console.log(n._tmpVector, n._tmpQuaternion, "angular")
                }
                ))
            }
            ,
            t.prototype._detachController = function(e) {
                var t = this._controllers[e];
                t && (t.impostorMesh && t.impostorMesh.dispose(),
                delete this._controllers[e])
            }
            ,
            t.Name = Io.PHYSICS_CONTROLLERS,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(rE.Name, (function(e, t) {
            return function() {
                return new rE(e,t)
            }
        }
        ), rE.Version, !0);
        var oE = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n.options = i,
                n._tmpMat = new P,
                n._tmpPos = new x,
                n._tmpQuat = new C,
                n._initHitTestSource = function(e) {
                    if (e) {
                        var t = new XRRay(n.options.offsetRay || {})
                          , i = {
                            space: n.options.useReferenceSpace ? e : n._xrSessionManager.viewerReferenceSpace,
                            offsetRay: t
                        };
                        n.options.entityTypes && (i.entityTypes = n.options.entityTypes),
                        i.space ? n._xrSessionManager.session.requestHitTestSource(i).then((function(e) {
                            n._xrHitTestSource && n._xrHitTestSource.cancel(),
                            n._xrHitTestSource = e
                        }
                        )) : gi.Warn("waiting for viewer reference space to initialize")
                    }
                }
                ,
                n.autoCloneTransformation = !1,
                n.onHitTestResultObservable = new h,
                n.paused = !1,
                n.xrNativeFeatureName = "hit-test",
                gi.Warn("Hit test is an experimental and unstable feature."),
                n
            }
            return U(t, e),
            t.prototype.attach = function() {
                var t = this;
                if (!e.prototype.attach.call(this))
                    return !1;
                if (!this._xrSessionManager.session.requestHitTestSource)
                    return !1;
                if (this.options.disablePermanentHitTest || (this._xrSessionManager.referenceSpace && this._initHitTestSource(this._xrSessionManager.referenceSpace),
                this._xrSessionManager.onXRReferenceSpaceChanged.add(this._initHitTestSource)),
                this.options.enableTransientHitTest) {
                    var i = new XRRay(this.options.transientOffsetRay || {});
                    this._xrSessionManager.session.requestHitTestSourceForTransientInput({
                        profile: this.options.transientHitTestProfile || "generic-touchscreen",
                        offsetRay: i,
                        entityTypes: this.options.entityTypes
                    }).then((function(e) {
                        t._transientXrHitTestSource = e
                    }
                    ))
                }
                return !0
            }
            ,
            t.prototype.detach = function() {
                return !!e.prototype.detach.call(this) && (this._xrHitTestSource && (this._xrHitTestSource.cancel(),
                this._xrHitTestSource = null),
                this._xrSessionManager.onXRReferenceSpaceChanged.removeCallback(this._initHitTestSource),
                this._transientXrHitTestSource && (this._transientXrHitTestSource.cancel(),
                this._transientXrHitTestSource = null),
                !0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onHitTestResultObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = this;
                if (this.attached && !this.paused) {
                    if (this._xrHitTestSource) {
                        var i = e.getHitTestResults(this._xrHitTestSource);
                        this._processWebXRHitTestResult(i)
                    }
                    this._transientXrHitTestSource && e.getHitTestResultsForTransientInput(this._transientXrHitTestSource).forEach((function(e) {
                        t._processWebXRHitTestResult(e.results, e.inputSource)
                    }
                    ))
                }
            }
            ,
            t.prototype._processWebXRHitTestResult = function(e, t) {
                var i = this
                  , n = [];
                e.forEach((function(e) {
                    var r = e.getPose(i._xrSessionManager.referenceSpace);
                    if (r) {
                        var o = r.transform.position
                          , a = r.transform.orientation;
                        i._tmpPos.set(o.x, o.y, o.z),
                        i._tmpQuat.set(a.x, a.y, a.z, a.w),
                        P.FromFloat32ArrayToRefScaled(r.transform.matrix, 0, 1, i._tmpMat),
                        i._xrSessionManager.scene.useRightHandedSystem || (i._tmpPos.z *= -1,
                        i._tmpQuat.z *= -1,
                        i._tmpQuat.w *= -1,
                        i._tmpMat.toggleModelMatrixHandInPlace());
                        var s = {
                            position: i.autoCloneTransformation ? i._tmpPos.clone() : i._tmpPos,
                            rotationQuaternion: i.autoCloneTransformation ? i._tmpQuat.clone() : i._tmpQuat,
                            transformationMatrix: i.autoCloneTransformation ? i._tmpMat.clone() : i._tmpMat,
                            inputSource: t,
                            isTransient: !!t,
                            xrHitResult: e
                        };
                        n.push(s)
                    }
                }
                )),
                this.onHitTestResultObservable.notifyObservers(n)
            }
            ,
            t.Name = Io.HIT_TEST,
            t.Version = 2,
            t
        }(wp);
        Oo.AddWebXRFeature(oE.Name, (function(e, t) {
            return function() {
                return new oE(e,t)
            }
        }
        ), oE.Version, !1);
        var aE, sE = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i._enabled = !1,
                i._featurePointCloud = [],
                i.onFeaturePointsAddedObservable = new h,
                i.onFeaturePointsUpdatedObservable = new h,
                i.xrNativeFeatureName = "bjsfeature-points",
                i._xrSessionManager.session ? i._init() : i._xrSessionManager.onXRSessionInit.addOnce((function() {
                    i._init()
                }
                )),
                i
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "featurePointCloud", {
                get: function() {
                    return this._featurePointCloud
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.detach = function() {
                return !!e.prototype.detach.call(this) && (this.featurePointCloud.length = 0,
                !0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._featurePointCloud.length = 0,
                this.onFeaturePointsUpdatedObservable.clear(),
                this.onFeaturePointsAddedObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {
                if (this.attached && this._enabled && e) {
                    var t = e.featurePointCloud;
                    if (t && 0 !== t.length) {
                        if (t.length % 5 != 0)
                            throw new Error("Received malformed feature point cloud of length: " + t.length);
                        for (var i = t.length / 5, n = new Array, r = new Array, o = 0; o < i; o++) {
                            var a = 5 * o
                              , s = t[a + 4];
                            this._featurePointCloud[s] ? n.push(s) : (this._featurePointCloud[s] = {
                                position: new x,
                                confidenceValue: 0
                            },
                            r.push(s)),
                            this._featurePointCloud[s].position.x = t[a],
                            this._featurePointCloud[s].position.y = t[a + 1],
                            this._featurePointCloud[s].position.z = t[a + 2],
                            this._featurePointCloud[s].confidenceValue = t[a + 3]
                        }
                        r.length > 0 && this.onFeaturePointsAddedObservable.notifyObservers(r),
                        n.length > 0 && this.onFeaturePointsUpdatedObservable.notifyObservers(n)
                    }
                }
            }
            ,
            t.prototype._init = function() {
                this._xrSessionManager.session.trySetFeaturePointCloudEnabled && this._xrSessionManager.session.trySetFeaturePointCloudEnabled(!0) && (this._enabled = !0)
            }
            ,
            t.Name = Io.FEATURE_POINTS,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(sE.Name, (function(e) {
            return function() {
                return new sE(e)
            }
        }
        ), sE.Version);
        var lE = ["wrist", "thumb-metacarpal", "thumb-phalanx-proximal", "thumb-phalanx-distal", "thumb-tip", "index-finger-metacarpal", "index-finger-phalanx-proximal", "index-finger-phalanx-intermediate", "index-finger-phalanx-distal", "index-finger-tip", "middle-finger-metacarpal", "middle-finger-phalanx-proximal", "middle-finger-phalanx-intermediate", "middle-finger-phalanx-distal", "middle-finger-tip", "ring-finger-metacarpal", "ring-finger-phalanx-proximal", "ring-finger-phalanx-intermediate", "ring-finger-phalanx-distal", "ring-finger-tip", "pinky-finger-metacarpal", "pinky-finger-phalanx-proximal", "pinky-finger-phalanx-intermediate", "pinky-finger-phalanx-distal", "pinky-finger-tip"]
          , cE = ((aE = {}).wrist = ["wrist"],
        aE.thumb = ["thumb-metacarpal", "thumb-phalanx-proximal", "thumb-phalanx-distal", "thumb-tip"],
        aE.index = ["index-finger-metacarpal", "index-finger-phalanx-proximal", "index-finger-phalanx-intermediate", "index-finger-phalanx-distal", "index-finger-tip"],
        aE.middle = ["middle-finger-metacarpal", "middle-finger-phalanx-proximal", "middle-finger-phalanx-intermediate", "middle-finger-phalanx-distal", "middle-finger-tip"],
        aE.ring = ["ring-finger-metacarpal", "ring-finger-phalanx-proximal", "ring-finger-phalanx-intermediate", "ring-finger-phalanx-distal", "ring-finger-tip"],
        aE.little = ["pinky-finger-metacarpal", "pinky-finger-phalanx-proximal", "pinky-finger-phalanx-intermediate", "pinky-finger-phalanx-distal", "pinky-finger-tip"],
        aE)
          , uE = function() {
            function e(e, t, i, n, r, o, a) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !1),
                void 0 === a && (a = 1),
                this.xrController = e,
                this._jointMeshes = t,
                this._handMesh = i,
                this.rigMapping = n,
                this._leftHandedMeshes = r,
                this._jointsInvisible = o,
                this._jointScaleFactor = a,
                this._jointTransforms = new Array(lE.length),
                this._jointTransformMatrices = new Float32Array(16 * lE.length),
                this._tempJointMatrix = new P,
                this._jointRadii = new Float32Array(lE.length),
                this._scene = t[0].getScene();
                for (var s = 0; s < this._jointTransforms.length; s++)
                    (this._jointTransforms[s] = new yr(lE[s],this._scene)).rotationQuaternion = new C,
                    t[s].rotationQuaternion = new C;
                i && this.setHandMesh(i, n),
                this.xrController.motionController && (this.xrController.motionController.rootMesh ? this.xrController.motionController.rootMesh.setEnabled(!1) : this.xrController.motionController.onModelLoadedObservable.add((function(e) {
                    e.rootMesh && e.rootMesh.setEnabled(!1)
                }
                ))),
                this.xrController.onMotionControllerInitObservable.add((function(e) {
                    e.onModelLoadedObservable.add((function(e) {
                        e.rootMesh && e.rootMesh.setEnabled(!1)
                    }
                    )),
                    e.rootMesh && e.rootMesh.setEnabled(!1)
                }
                ))
            }
            return Object.defineProperty(e.prototype, "handMesh", {
                get: function() {
                    return this._handMesh
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getHandPartMeshes = function(e) {
                var t = this;
                return cE[e].map((function(e) {
                    return t._jointMeshes[lE.indexOf(e)]
                }
                ))
            }
            ,
            e.prototype.getJointMesh = function(e) {
                return this._jointMeshes[lE.indexOf(e)]
            }
            ,
            e.prototype.setHandMesh = function(e, t) {
                var i = this;
                if (this._handMesh = e,
                e.alwaysSelectAsActiveMesh = !0,
                e.getChildMeshes().forEach((function(e) {
                    return e.alwaysSelectAsActiveMesh = !0
                }
                )),
                this._handMesh.skeleton) {
                    var n = this._handMesh.skeleton;
                    lE.forEach((function(e, r) {
                        var o = n.getBoneIndexByName(t ? t[e] : e);
                        -1 !== o && n.bones[o].linkTransformNode(i._jointTransforms[r])
                    }
                    ))
                }
            }
            ,
            e.prototype.updateFromXRFrame = function(e, t) {
                var i = this
                  , n = this.xrController.inputSource.hand;
                if (n) {
                    var r = n
                      , o = lE.map((function(e) {
                        return r[e] || n.get(e)
                    }
                    ))
                      , a = !1;
                    if (e.fillPoses && e.fillJointRadii)
                        a = e.fillPoses(o, t, this._jointTransformMatrices) && e.fillJointRadii(o, this._jointRadii);
                    else if (e.getJointPose) {
                        a = !0;
                        for (var s = 0; s < o.length; s++) {
                            var l = e.getJointPose(o[s], t);
                            if (!l) {
                                a = !1;
                                break
                            }
                            this._jointTransformMatrices.set(l.transform.matrix, 16 * s),
                            this._jointRadii[s] = l.radius || .008
                        }
                    }
                    a && (lE.forEach((function(e, t) {
                        var n = i._jointTransforms[t];
                        P.FromArrayToRef(i._jointTransformMatrices, 16 * t, i._tempJointMatrix),
                        i._tempJointMatrix.decompose(void 0, n.rotationQuaternion, n.position);
                        var r = i._jointRadii[t] * i._jointScaleFactor
                          , o = i._jointMeshes[t];
                        o.isVisible = !i._handMesh && !i._jointsInvisible,
                        o.position.copyFrom(n.position),
                        o.rotationQuaternion.copyFrom(n.rotationQuaternion),
                        o.scaling.setAll(r),
                        i._scene.useRightHandedSystem || (o.position.z *= -1,
                        o.rotationQuaternion.z *= -1,
                        o.rotationQuaternion.w *= -1,
                        i._leftHandedMeshes && i._handMesh && (n.position.z *= -1,
                        n.rotationQuaternion.z *= -1,
                        n.rotationQuaternion.w *= -1))
                    }
                    )),
                    this._handMesh && (this._handMesh.isVisible = !0))
                }
            }
            ,
            e.prototype.dispose = function() {
                this._handMesh && (this._handMesh.isVisible = !1)
            }
            ,
            e
        }()
          , hE = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                n.options = i,
                n._attachedHands = {},
                n._trackingHands = {
                    left: null,
                    right: null
                },
                n._handResources = {
                    jointMeshes: null,
                    handMeshes: null,
                    rigMappings: null
                },
                n.onHandAddedObservable = new h,
                n.onHandRemovedObservable = new h,
                n._attachHand = function(e) {
                    var t, i, r;
                    if (e.inputSource.hand && "none" != e.inputSource.handedness && n._handResources.jointMeshes) {
                        var o = e.inputSource.handedness
                          , a = new uE(e,n._handResources.jointMeshes[o],n._handResources.handMeshes && n._handResources.handMeshes[o],n._handResources.rigMappings && n._handResources.rigMappings[o],null === (t = n.options.handMeshes) || void 0 === t ? void 0 : t.meshesUseLeftHandedCoordinates,null === (i = n.options.jointMeshes) || void 0 === i ? void 0 : i.invisible,null === (r = n.options.jointMeshes) || void 0 === r ? void 0 : r.scaleFactor);
                        n._attachedHands[e.uniqueId] = a,
                        n._trackingHands[o] = a,
                        n.onHandAddedObservable.notifyObservers(a)
                    }
                }
                ,
                n._detachHand = function(e) {
                    n._detachHandById(e.uniqueId)
                }
                ,
                n.xrNativeFeatureName = "hand-tracking";
                var r = i.jointMeshes;
                if (r && (void 0 !== r.disableDefaultHandMesh && (i.handMeshes = i.handMeshes || {},
                i.handMeshes.disableDefaultMeshes = r.disableDefaultHandMesh),
                void 0 !== r.handMeshes && (i.handMeshes = i.handMeshes || {},
                i.handMeshes.customMeshes = r.handMeshes),
                void 0 !== r.leftHandedSystemMeshes && (i.handMeshes = i.handMeshes || {},
                i.handMeshes.meshesUseLeftHandedCoordinates = r.leftHandedSystemMeshes),
                void 0 !== r.rigMapping)) {
                    i.handMeshes = i.handMeshes || {};
                    var o = {}
                      , a = {};
                    [[r.rigMapping.left, o], [r.rigMapping.right, a]].forEach((function(e) {
                        var t = e[0]
                          , i = e[1];
                        t.forEach((function(e, t) {
                            i[lE[t]] = e
                        }
                        ))
                    }
                    )),
                    i.handMeshes.customRigMappings = {
                        left: o,
                        right: a
                    }
                }
                return n
            }
            return U(t, e),
            t._GenerateTrackedJointMeshes = function(e) {
                var i = {};
                return ["left", "right"].map((function(n) {
                    var r, o, a, s, l, c = [], u = (null === (r = e.jointMeshes) || void 0 === r ? void 0 : r.sourceMesh) || Lv("jointParent", t._ICOSPHERE_PARAMS);
                    u.isVisible = !!(null === (o = e.jointMeshes) || void 0 === o ? void 0 : o.keepOriginalVisible);
                    for (var h = 0; h < lE.length; ++h) {
                        var d = u.createInstance("".concat(n, "-handJoint-").concat(h));
                        if (null === (a = e.jointMeshes) || void 0 === a ? void 0 : a.onHandJointMeshGenerated) {
                            var p = e.jointMeshes.onHandJointMeshGenerated(d, h, n);
                            p && p !== d && (d.dispose(),
                            d = p)
                        }
                        if (d.isPickable = !1,
                        null === (s = e.jointMeshes) || void 0 === s ? void 0 : s.enablePhysics) {
                            var f = (null === (l = e.jointMeshes) || void 0 === l ? void 0 : l.physicsProps) || {};
                            d.scaling.setAll(.02);
                            var _ = void 0 !== f.impostorType ? f.impostorType : Vl.SphereImpostor;
                            d.physicsImpostor = new Vl(d,_,V({
                                mass: 0
                            }, f))
                        }
                        d.rotationQuaternion = new C,
                        d.isVisible = !1,
                        c.push(d)
                    }
                    i[n] = c
                }
                )),
                {
                    left: i.left,
                    right: i.right
                }
            }
            ,
            t._GenerateDefaultHandMeshesAsync = function(e, i) {
                var n = this;
                return new Promise((function(r) {
                    return G(n, void 0, void 0, (function() {
                        var n, o, s, l, c, u, h, d, p, f, _;
                        return z(this, (function(m) {
                            switch (m.label) {
                            case 0:
                                return n = {},
                                (null === (d = null === (h = t._RightHandGLB) || void 0 === h ? void 0 : h.meshes[1]) || void 0 === d ? void 0 : d.isDisposed()) && (t._RightHandGLB = null),
                                (null === (f = null === (p = t._LeftHandGLB) || void 0 === p ? void 0 : p.meshes[1]) || void 0 === f ? void 0 : f.isDisposed()) && (t._LeftHandGLB = null),
                                o = !(!t._RightHandGLB || !t._LeftHandGLB),
                                [4, Promise.all([t._RightHandGLB || od.ImportMeshAsync("", t.DEFAULT_HAND_MODEL_BASE_URL, t.DEFAULT_HAND_MODEL_RIGHT_FILENAME, e), t._LeftHandGLB || od.ImportMeshAsync("", t.DEFAULT_HAND_MODEL_BASE_URL, t.DEFAULT_HAND_MODEL_LEFT_FILENAME, e)])];
                            case 1:
                                return s = m.sent(),
                                t._RightHandGLB = s[0],
                                t._LeftHandGLB = s[1],
                                [4, (l = new Of("handShader",e,{
                                    emitComments: !1
                                })).loadAsync(t.DEFAULT_HAND_MODEL_SHADER_URL)];
                            case 2:
                                return m.sent(),
                                l.needDepthPrePass = !0,
                                l.transparencyMode = Or.MATERIAL_ALPHABLEND,
                                l.alphaMode = a.ALPHA_COMBINE,
                                l.build(!1),
                                c = V({
                                    base: D.FromInts(116, 63, 203),
                                    fresnel: D.FromInts(149, 102, 229),
                                    fingerColor: D.FromInts(177, 130, 255),
                                    tipFresnel: D.FromInts(220, 200, 255)
                                }, null === (_ = null == i ? void 0 : i.handMeshes) || void 0 === _ ? void 0 : _.customColors),
                                (u = {
                                    base: l.getBlockByName("baseColor"),
                                    fresnel: l.getBlockByName("fresnelColor"),
                                    fingerColor: l.getBlockByName("fingerColor"),
                                    tipFresnel: l.getBlockByName("tipFresnelColor")
                                }).base.value = c.base,
                                u.fresnel.value = c.fresnel,
                                u.fingerColor.value = c.fingerColor,
                                u.tipFresnel.value = c.tipFresnel,
                                ["left", "right"].forEach((function(i) {
                                    var r = "left" == i ? t._LeftHandGLB : t._RightHandGLB;
                                    if (!r)
                                        throw new Error("Could not load hand model");
                                    var a = r.meshes[1];
                                    a._internalAbstractMeshDataInfo._computeBonesUsingShaders = !0,
                                    a.material = l.clone("".concat(i, "HandShaderClone"), !0),
                                    a.isVisible = !1,
                                    n[i] = a,
                                    o || e.useRightHandedSystem || r.transformNodes[0].rotate(vn.Y, Math.PI)
                                }
                                )),
                                l.dispose(),
                                r({
                                    left: n.left,
                                    right: n.right
                                }),
                                [2]
                            }
                        }
                        ))
                    }
                    ))
                }
                ))
            }
            ,
            t._GenerateDefaultHandMeshRigMapping = function(e) {
                var t, i = "right" == e ? "R" : "L";
                return (t = {}).wrist = "wrist_".concat(i),
                t["thumb-metacarpal"] = "thumb_metacarpal_".concat(i),
                t["thumb-phalanx-proximal"] = "thumb_proxPhalanx_".concat(i),
                t["thumb-phalanx-distal"] = "thumb_distPhalanx_".concat(i),
                t["thumb-tip"] = "thumb_tip_".concat(i),
                t["index-finger-metacarpal"] = "index_metacarpal_".concat(i),
                t["index-finger-phalanx-proximal"] = "index_proxPhalanx_".concat(i),
                t["index-finger-phalanx-intermediate"] = "index_intPhalanx_".concat(i),
                t["index-finger-phalanx-distal"] = "index_distPhalanx_".concat(i),
                t["index-finger-tip"] = "index_tip_".concat(i),
                t["middle-finger-metacarpal"] = "middle_metacarpal_".concat(i),
                t["middle-finger-phalanx-proximal"] = "middle_proxPhalanx_".concat(i),
                t["middle-finger-phalanx-intermediate"] = "middle_intPhalanx_".concat(i),
                t["middle-finger-phalanx-distal"] = "middle_distPhalanx_".concat(i),
                t["middle-finger-tip"] = "middle_tip_".concat(i),
                t["ring-finger-metacarpal"] = "ring_metacarpal_".concat(i),
                t["ring-finger-phalanx-proximal"] = "ring_proxPhalanx_".concat(i),
                t["ring-finger-phalanx-intermediate"] = "ring_intPhalanx_".concat(i),
                t["ring-finger-phalanx-distal"] = "ring_distPhalanx_".concat(i),
                t["ring-finger-tip"] = "ring_tip_".concat(i),
                t["pinky-finger-metacarpal"] = "little_metacarpal_".concat(i),
                t["pinky-finger-phalanx-proximal"] = "little_proxPhalanx_".concat(i),
                t["pinky-finger-phalanx-intermediate"] = "little_intPhalanx_".concat(i),
                t["pinky-finger-phalanx-distal"] = "little_distPhalanx_".concat(i),
                t["pinky-finger-tip"] = "little_tip_".concat(i),
                t
            }
            ,
            t.prototype.isCompatible = function() {
                return "undefined" != typeof XRHand
            }
            ,
            t.prototype.getHandByControllerId = function(e) {
                return this._attachedHands[e]
            }
            ,
            t.prototype.getHandByHandedness = function(e) {
                return "none" == e ? null : this._trackingHands[e]
            }
            ,
            t.prototype.attach = function() {
                var i, n, r, o, a = this;
                return !!e.prototype.attach.call(this) && (this._handResources = {
                    jointMeshes: t._GenerateTrackedJointMeshes(this.options),
                    handMeshes: (null === (i = this.options.handMeshes) || void 0 === i ? void 0 : i.customMeshes) || null,
                    rigMappings: (null === (n = this.options.handMeshes) || void 0 === n ? void 0 : n.customRigMappings) || null
                },
                (null === (r = this.options.handMeshes) || void 0 === r ? void 0 : r.customMeshes) || (null === (o = this.options.handMeshes) || void 0 === o ? void 0 : o.disableDefaultMeshes) || t._GenerateDefaultHandMeshesAsync(E.LastCreatedScene, this.options).then((function(e) {
                    var i, n;
                    a._handResources.handMeshes = e,
                    a._handResources.rigMappings = {
                        left: t._GenerateDefaultHandMeshRigMapping("left"),
                        right: t._GenerateDefaultHandMeshRigMapping("right")
                    },
                    null === (i = a._trackingHands.left) || void 0 === i || i.setHandMesh(a._handResources.handMeshes.left, a._handResources.rigMappings.left),
                    null === (n = a._trackingHands.right) || void 0 === n || n.setHandMesh(a._handResources.handMeshes.right, a._handResources.rigMappings.right)
                }
                )),
                this.options.xrInput.controllers.forEach(this._attachHand),
                this._addNewAttachObserver(this.options.xrInput.onControllerAddedObservable, this._attachHand),
                this._addNewAttachObserver(this.options.xrInput.onControllerRemovedObservable, this._detachHand),
                !0)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t, i;
                null === (t = this._trackingHands.left) || void 0 === t || t.updateFromXRFrame(e, this._xrSessionManager.referenceSpace),
                null === (i = this._trackingHands.right) || void 0 === i || i.updateFromXRFrame(e, this._xrSessionManager.referenceSpace)
            }
            ,
            t.prototype._detachHandById = function(e) {
                var t, i = this.getHandByControllerId(e);
                if (i) {
                    var n = "left" == i.xrController.inputSource.handedness ? "left" : "right";
                    (null === (t = this._trackingHands[n]) || void 0 === t ? void 0 : t.xrController.uniqueId) === e && (this._trackingHands[n] = null),
                    this.onHandRemovedObservable.notifyObservers(i),
                    i.dispose(),
                    delete this._attachedHands[e]
                }
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._attachedHands).forEach((function(e) {
                    return t._detachHandById(e)
                }
                )),
                !0)
            }
            ,
            t.prototype.dispose = function() {
                var i;
                e.prototype.dispose.call(this),
                this.onHandAddedObservable.clear(),
                this.onHandRemovedObservable.clear(),
                this._handResources.handMeshes && !(null === (i = this.options.handMeshes) || void 0 === i ? void 0 : i.customMeshes) && (this._handResources.handMeshes.left.dispose(),
                this._handResources.handMeshes.right.dispose(),
                t._RightHandGLB = null,
                t._LeftHandGLB = null),
                this._handResources.jointMeshes && (this._handResources.jointMeshes.left.forEach((function(e) {
                    return e.dispose()
                }
                )),
                this._handResources.jointMeshes.right.forEach((function(e) {
                    return e.dispose()
                }
                )))
            }
            ,
            t.Name = Io.HAND_TRACKING,
            t.Version = 1,
            t.DEFAULT_HAND_MODEL_BASE_URL = "https://assets.babylonjs.com/meshes/HandMeshes/",
            t.DEFAULT_HAND_MODEL_RIGHT_FILENAME = "r_hand_rhs.glb",
            t.DEFAULT_HAND_MODEL_LEFT_FILENAME = "l_hand_rhs.glb",
            t.DEFAULT_HAND_MODEL_SHADER_URL = "https://assets.babylonjs.com/meshes/HandMeshes/handsShader.json",
            t._ICOSPHERE_PARAMS = {
                radius: .5,
                flat: !1,
                subdivisions: 2
            },
            t._RightHandGLB = null,
            t._LeftHandGLB = null,
            t
        }(wp);
        Oo.AddWebXRFeature(hE.Name, (function(e, t) {
            return function() {
                return new hE(e,t)
            }
        }
        ), hE.Version, !1);
        var dE = 0
          , pE = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n._options = i,
                n._detectedMeshes = new Map,
                n.onMeshAddedObservable = new h,
                n.onMeshRemovedObservable = new h,
                n.onMeshUpdatedObservable = new h,
                n.xrNativeFeatureName = "mesh-detection",
                n._xrSessionManager.session ? n._init() : n._xrSessionManager.onXRSessionInit.addOnce((function() {
                    n._init()
                }
                )),
                n
            }
            return U(t, e),
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (this._xrSessionManager.isNative && this._xrSessionManager.session.trySetMeshDetectorEnabled && this._xrSessionManager.session.trySetMeshDetectorEnabled(!1),
                this._options.doNotRemoveMeshesOnSessionEnded || (this._detectedMeshes.forEach((function(e) {
                    t.onMeshRemovedObservable.notifyObservers(e)
                }
                )),
                this._detectedMeshes.clear()),
                !0)
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onMeshAddedObservable.clear(),
                this.onMeshRemovedObservable.clear(),
                this.onMeshUpdatedObservable.clear()
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t, i = this;
                try {
                    if (!this.attached || !e)
                        return;
                    var n = null === (t = e.worldInformation) || void 0 === t ? void 0 : t.detectedMeshes;
                    if (n) {
                        var r = new Set;
                        this._detectedMeshes.forEach((function(e, t) {
                            n.has(t) || r.add(t)
                        }
                        )),
                        r.forEach((function(e) {
                            var t = i._detectedMeshes.get(e);
                            t && (i.onMeshRemovedObservable.notifyObservers(t),
                            i._detectedMeshes.delete(e))
                        }
                        )),
                        n.forEach((function(t) {
                            if (i._detectedMeshes.has(t))
                                t.lastChangedTime === i._xrSessionManager.currentTimestamp && (r = i._detectedMeshes.get(t)) && (i._updateVertexDataWithXRMesh(t, r, e),
                                i.onMeshUpdatedObservable.notifyObservers(r));
                            else {
                                var n = {
                                    id: dE++,
                                    xrMesh: t
                                }
                                  , r = i._updateVertexDataWithXRMesh(t, n, e);
                                i._detectedMeshes.set(t, r),
                                i.onMeshAddedObservable.notifyObservers(r)
                            }
                        }
                        ))
                    }
                } catch (e) {
                    console.log(e.stack)
                }
            }
            ,
            t.prototype._init = function() {
                this._xrSessionManager.isNative && (this._xrSessionManager.session.trySetMeshDetectorEnabled && this._xrSessionManager.session.trySetMeshDetectorEnabled(!0),
                this._options.preferredDetectorOptions && this._xrSessionManager.session.trySetPreferredMeshDetectorOptions && this._xrSessionManager.session.trySetPreferredMeshDetectorOptions(this._options.preferredDetectorOptions))
            }
            ,
            t.prototype._updateVertexDataWithXRMesh = function(e, t, i) {
                if (t.xrMesh = e,
                t.worldParentNode = this._options.worldParentNode,
                this._options.convertCoordinateSystems) {
                    if (this._xrSessionManager.scene.useRightHandedSystem)
                        t.positions = e.positions,
                        t.normals = e.normals;
                    else {
                        t.positions = new Float32Array(e.positions.length);
                        for (var n = 0; n < e.positions.length; n += 3)
                            t.positions[n] = e.positions[n],
                            t.positions[n + 1] = e.positions[n + 1],
                            t.positions[n + 2] = -1 * e.positions[n + 2];
                        if (e.normals)
                            for (t.normals = new Float32Array(e.normals.length),
                            n = 0; n < e.normals.length; n += 3)
                                t.normals[n] = e.normals[n],
                                t.normals[n + 1] = e.normals[n + 1],
                                t.normals[n + 2] = -1 * e.normals[n + 2]
                    }
                    t.indices = e.indices;
                    var r = i.getPose(e.meshSpace, this._xrSessionManager.referenceSpace);
                    if (r) {
                        var o = t.transformationMatrix || new P;
                        P.FromArrayToRef(r.transform.matrix, 0, o),
                        this._xrSessionManager.scene.useRightHandedSystem || o.toggleModelMatrixHandInPlace(),
                        t.transformationMatrix = o,
                        this._options.worldParentNode && o.multiplyToRef(this._options.worldParentNode.getWorldMatrix(), o)
                    }
                }
                return t
            }
            ,
            t.Name = Io.MESH_DETECTION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(pE.Name, (function(e, t) {
            return function() {
                return new pE(e,t)
            }
        }
        ), pE.Version, !1);
        var fE = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.options = i,
                n.onUntrackableImageFoundObservable = new h,
                n.onTrackableImageFoundObservable = new h,
                n.onTrackedImageUpdatedObservable = new h,
                n._trackableScoresReceived = !1,
                n._trackedImages = [],
                n.xrNativeFeatureName = "image-tracking",
                n
            }
            return U(t, e),
            t.prototype.attach = function() {
                return e.prototype.attach.call(this)
            }
            ,
            t.prototype.detach = function() {
                return e.prototype.detach.call(this)
            }
            ,
            t.prototype.isCompatible = function() {
                return "undefined" != typeof XRImageTrackingResult
            }
            ,
            t.prototype.getTrackedImageById = function(e) {
                return this._trackedImages[e] || null
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._trackedImages.forEach((function(e) {
                    e.originalBitmap.close()
                }
                )),
                this._trackedImages.length = 0,
                this.onTrackableImageFoundObservable.clear(),
                this.onUntrackableImageFoundObservable.clear(),
                this.onTrackedImageUpdatedObservable.clear()
            }
            ,
            t.prototype.getXRSessionInitExtension = function() {
                return G(this, void 0, void 0, (function() {
                    var e, t, i = this;
                    return z(this, (function(n) {
                        switch (n.label) {
                        case 0:
                            if (!this.options.images || !this.options.images.length)
                                return [2, {}];
                            e = this.options.images.map((function(e) {
                                return "string" == typeof e.src ? i._xrSessionManager.scene.getEngine().createImageBitmapFromSource(e.src) : Promise.resolve(e.src)
                            }
                            )),
                            n.label = 1;
                        case 1:
                            return n.trys.push([1, 3, , 4]),
                            [4, Promise.all(e)];
                        case 2:
                            return t = n.sent(),
                            this._originalTrackingRequest = t.map((function(e, t) {
                                return {
                                    image: e,
                                    widthInMeters: i.options.images[t].estimatedRealWorldWidth
                                }
                            }
                            )),
                            [2, {
                                trackedImages: this._originalTrackingRequest
                            }];
                        case 3:
                            return n.sent(),
                            gi.Error("Error loading images for tracking, WebXRImageTracking disabled for this session."),
                            [2, {}];
                        case 4:
                            return [2]
                        }
                    }
                    ))
                }
                ))
            }
            ,
            t.prototype._onXRFrame = function(e) {
                if (e.getImageTrackingResults && (this._trackableScoresReceived || (this._checkScores(),
                this._trackableScoresReceived)))
                    for (var t = 0, i = e.getImageTrackingResults(); t < i.length; t++) {
                        var n = i[t]
                          , r = !1
                          , o = n.index
                          , a = this._trackedImages[o];
                        if (a) {
                            a.xrTrackingResult = n,
                            a.realWorldWidth !== n.measuredWidthInMeters && (a.realWorldWidth = n.measuredWidthInMeters,
                            r = !0);
                            var s = e.getPose(n.imageSpace, this._xrSessionManager.referenceSpace);
                            if (s) {
                                var l = a.transformationMatrix;
                                P.FromArrayToRef(s.transform.matrix, 0, l),
                                this._xrSessionManager.scene.useRightHandedSystem || l.toggleModelMatrixHandInPlace(),
                                r = !0
                            }
                            var c = "emulated" === n.trackingState;
                            a.emulated !== c && (a.emulated = c,
                            r = !0),
                            r && this.onTrackedImageUpdatedObservable.notifyObservers(a)
                        }
                    }
            }
            ,
            t.prototype._checkScores = function() {
                if (this._xrSessionManager.session.getTrackedImageScores && !this._trackableScoresReceived) {
                    for (var e = this._xrSessionManager.session.getTrackedImageScores(), t = 0; t < e.length; ++t)
                        if ("untrackable" == e[t])
                            this.onUntrackableImageFoundObservable.notifyObservers(t);
                        else {
                            var i = this._originalTrackingRequest[t].image
                              , n = {
                                id: t,
                                originalBitmap: i,
                                transformationMatrix: new P,
                                ratio: i.width / i.height
                            };
                            this._trackedImages[t] = n,
                            this.onTrackableImageFoundObservable.notifyObservers(n)
                        }
                    this._trackableScoresReceived || (this._trackableScoresReceived = e.length > 0)
                }
            }
            ,
            t.Name = Io.IMAGE_TRACKING,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(fE.Name, (function(e, t) {
            return function() {
                return new fE(e,t)
            }
        }
        ), fE.Version, !1);
        var _E = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.options = i,
                n._domOverlayType = null,
                n._beforeXRSelectListener = null,
                n._element = null,
                n.xrNativeFeatureName = "dom-overlay",
                gi.Warn("dom-overlay is an experimental and unstable feature."),
                n
            }
            return U(t, e),
            t.prototype.attach = function() {
                return !(!e.prototype.attach.call(this) || !this._xrSessionManager.session.domOverlayState || null === this._xrSessionManager.session.domOverlayState.type || (this._domOverlayType = this._xrSessionManager.session.domOverlayState.type,
                null !== this._element && !0 === this.options.supressXRSelectEvents && (this._beforeXRSelectListener = function(e) {
                    e.preventDefault()
                }
                ,
                this._element.addEventListener("beforexrselect", this._beforeXRSelectListener)),
                0))
            }
            ,
            Object.defineProperty(t.prototype, "domOverlayType", {
                get: function() {
                    return this._domOverlayType
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                null !== this._element && this._beforeXRSelectListener && this._element.removeEventListener("beforexrselect", this._beforeXRSelectListener)
            }
            ,
            t.prototype._onXRFrame = function(e) {}
            ,
            t.prototype.getXRSessionInitExtension = function() {
                return G(this, void 0, void 0, (function() {
                    var e;
                    return z(this, (function(t) {
                        if (void 0 === this.options.element)
                            return gi.Warn('"element" option must be provided to attach xr-dom-overlay feature.'),
                            [2, {}];
                        if ("string" == typeof this.options.element) {
                            if (null === (e = document.querySelector(this.options.element)))
                                return gi.Warn("element not found '".concat(this.options.element, "' (not requesting xr-dom-overlay)")),
                                [2, {}];
                            this._element = e
                        } else
                            this._element = this.options.element;
                        return [2, {
                            domOverlay: {
                                root: this._element
                            }
                        }]
                    }
                    ))
                }
                ))
            }
            ,
            t.Name = Io.DOM_OVERLAY,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(_E.Name, (function(e, t) {
            return function() {
                return new _E(e,t)
            }
        }
        ), _E.Version, !1);
        var mE = function(e) {
            function t(i, n) {
                var r, o, a, s, l, c, u = this;
                return (u = e.call(this, i) || this)._controllers = {},
                u._currentRegistrationConfigurations = [],
                u._movementDirection = null,
                u._tmpRotationMatrix = P.Identity(),
                u._tmpTranslationDirection = new x,
                u._tmpMovementTranslation = new x,
                u._attachController = function(e) {
                    if (!u._controllers[e.uniqueId]) {
                        u._controllers[e.uniqueId] = {
                            xrController: e,
                            registeredComponents: []
                        };
                        var t = u._controllers[e.uniqueId];
                        if ("tracked-pointer" === t.xrController.inputSource.targetRayMode && t.xrController.inputSource.gamepad) {
                            var i = function() {
                                if (e.motionController)
                                    for (var i = function(i) {
                                        var n = null;
                                        if (i.allowedComponentTypes)
                                            for (var r = 0, o = i.allowedComponentTypes; r < o.length; r++) {
                                                var a = o[r]
                                                  , s = e.motionController.getComponentOfType(a);
                                                if (null !== s) {
                                                    n = s;
                                                    break
                                                }
                                            }
                                        if (i.mainComponentOnly) {
                                            var l = e.motionController.getMainComponent();
                                            if (null === l)
                                                return "continue";
                                            n = l
                                        }
                                        if ("function" == typeof i.componentSelectionPredicate && (n = i.componentSelectionPredicate(e)),
                                        n && i.forceHandedness && e.inputSource.handedness !== i.forceHandedness)
                                            return "continue";
                                        if (null === n)
                                            return "continue";
                                        var c = {
                                            registrationConfiguration: i,
                                            component: n
                                        };
                                        t.registeredComponents.push(c),
                                        "axisChangedHandler"in i && (c.onAxisChangedObserver = n.onAxisValueChangedObservable.add((function(e) {
                                            i.axisChangedHandler(e, u._movementState, u._featureContext, u._xrInput)
                                        }
                                        ))),
                                        "buttonChangedhandler"in i && (c.onButtonChangedObserver = n.onButtonStateChangedObservable.add((function() {
                                            n.changes.pressed && i.buttonChangedhandler(n.changes.pressed, u._movementState, u._featureContext, u._xrInput)
                                        }
                                        )))
                                    }, n = 0, r = u._currentRegistrationConfigurations; n < r.length; n++)
                                        i(r[n])
                            };
                            e.motionController ? i() : e.onMotionControllerInitObservable.addOnce((function() {
                                i()
                            }
                            ))
                        }
                    }
                }
                ,
                n && void 0 !== n.xrInput ? (Array.isArray(n.customRegistrationConfigurations) ? u._currentRegistrationConfigurations = n.customRegistrationConfigurations : u._currentRegistrationConfigurations = t.REGISTRATIONS.default,
                u._featureContext = {
                    movementEnabled: n.movementEnabled || !0,
                    movementOrientationFollowsViewerPose: null === (r = n.movementOrientationFollowsViewerPose) || void 0 === r || r,
                    movementSpeed: null !== (o = n.movementSpeed) && void 0 !== o ? o : 1,
                    movementThreshold: null !== (a = n.movementThreshold) && void 0 !== a ? a : .25,
                    rotationEnabled: null === (s = n.rotationEnabled) || void 0 === s || s,
                    rotationSpeed: null !== (l = n.rotationSpeed) && void 0 !== l ? l : 1,
                    rotationThreshold: null !== (c = n.rotationThreshold) && void 0 !== c ? c : .25
                },
                u._movementState = {
                    moveX: 0,
                    moveY: 0,
                    rotateX: 0,
                    rotateY: 0
                },
                u._xrInput = n.xrInput,
                u) : (gi.Error('WebXRControllerMovement feature requires "xrInput" option.'),
                u)
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "movementDirection", {
                get: function() {
                    return this._movementDirection
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "movementEnabled", {
                get: function() {
                    return this._featureContext.movementEnabled
                },
                set: function(e) {
                    this._featureContext.movementEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "movementOrientationFollowsViewerPose", {
                get: function() {
                    return this._featureContext.movementOrientationFollowsViewerPose
                },
                set: function(e) {
                    this._featureContext.movementOrientationFollowsViewerPose = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "movementSpeed", {
                get: function() {
                    return this._featureContext.movementSpeed
                },
                set: function(e) {
                    this._featureContext.movementSpeed = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "movementThreshold", {
                get: function() {
                    return this._featureContext.movementThreshold
                },
                set: function(e) {
                    this._featureContext.movementThreshold = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationEnabled", {
                get: function() {
                    return this._featureContext.rotationEnabled
                },
                set: function(e) {
                    this._featureContext.rotationEnabled = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationSpeed", {
                get: function() {
                    return this._featureContext.rotationSpeed
                },
                set: function(e) {
                    this._featureContext.rotationSpeed = e
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "rotationThreshold", {
                get: function() {
                    return this._featureContext.rotationThreshold
                },
                set: function(e) {
                    this._featureContext.rotationThreshold = e
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.attach = function() {
                var t = this;
                return !!e.prototype.attach.call(this) && (this._xrInput.controllers.forEach(this._attachController),
                this._addNewAttachObserver(this._xrInput.onControllerAddedObservable, this._attachController),
                this._addNewAttachObserver(this._xrInput.onControllerRemovedObservable, (function(e) {
                    t._detachController(e.uniqueId)
                }
                )),
                !0)
            }
            ,
            t.prototype.detach = function() {
                var t = this;
                return !!e.prototype.detach.call(this) && (Object.keys(this._controllers).forEach((function(e) {
                    t._detachController(e)
                }
                )),
                this._controllers = {},
                !0)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                if (this.attach) {
                    if (null === this._movementDirection && (this._movementDirection = this._xrInput.xrCamera.rotationQuaternion.clone()),
                    0 !== this._movementState.rotateX && this._featureContext.rotationEnabled) {
                        var t = .001 * this._xrSessionManager.scene.getEngine().getDeltaTime() * this._featureContext.rotationSpeed * this._movementState.rotateX * (this._xrSessionManager.scene.useRightHandedSystem ? -1 : 1);
                        !0 === this._featureContext.movementOrientationFollowsViewerPose ? (this._xrInput.xrCamera.cameraRotation.y += t,
                        this._movementDirection = this._xrInput.xrCamera.rotationQuaternion.multiply(C.RotationYawPitchRoll(t, 0, 0))) : this._movementDirection.multiplyInPlace(C.RotationYawPitchRoll(3 * t, 0, 0))
                    } else
                        !0 === this._featureContext.movementOrientationFollowsViewerPose && this._movementDirection.copyFrom(this._xrInput.xrCamera.rotationQuaternion);
                    0 === this._movementState.moveX && 0 === this._movementState.moveY || !this._featureContext.movementEnabled || (P.FromQuaternionToRef(this._movementDirection, this._tmpRotationMatrix),
                    this._tmpTranslationDirection.set(this._movementState.moveX, 0, this._movementState.moveY * (this._xrSessionManager.scene.useRightHandedSystem ? 1 : -1)),
                    x.TransformCoordinatesToRef(this._tmpTranslationDirection, this._tmpRotationMatrix, this._tmpMovementTranslation),
                    this._tmpMovementTranslation.scaleInPlace(this._xrInput.xrCamera._computeLocalCameraSpeed() * this._featureContext.movementSpeed),
                    this._xrInput.xrCamera.cameraDirection.addInPlace(this._tmpMovementTranslation))
                }
            }
            ,
            t.prototype._detachController = function(e) {
                var t = this._controllers[e];
                if (t) {
                    for (var i = 0, n = t.registeredComponents; i < n.length; i++) {
                        var r = n[i];
                        r.onAxisChangedObserver && r.component.onAxisValueChangedObservable.remove(r.onAxisChangedObserver),
                        r.onButtonChangedObserver && r.component.onButtonStateChangedObservable.remove(r.onButtonChangedObserver)
                    }
                    delete this._controllers[e]
                }
            }
            ,
            t.Name = Io.MOVEMENT,
            t.REGISTRATIONS = {
                default: [{
                    allowedComponentTypes: [Ap.THUMBSTICK_TYPE, Ap.TOUCHPAD_TYPE],
                    forceHandedness: "left",
                    axisChangedHandler: function(e, t, i) {
                        t.rotateX = Math.abs(e.x) > i.rotationThreshold ? e.x : 0,
                        t.rotateY = Math.abs(e.y) > i.rotationThreshold ? e.y : 0
                    }
                }, {
                    allowedComponentTypes: [Ap.THUMBSTICK_TYPE, Ap.TOUCHPAD_TYPE],
                    forceHandedness: "right",
                    axisChangedHandler: function(e, t, i) {
                        t.moveX = Math.abs(e.x) > i.movementThreshold ? e.x : 0,
                        t.moveY = Math.abs(e.y) > i.movementThreshold ? e.y : 0
                    }
                }]
            },
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(mE.Name, (function(e, t) {
            return function() {
                return new mE(e,t)
            }
        }
        ), mE.Version, !0);
        var gE = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n.options = i,
                n._canvasContext = null,
                n._reflectionCubeMap = null,
                n._xrLightEstimate = null,
                n._xrLightProbe = null,
                n._xrWebGLBinding = null,
                n._lightDirection = x.Up().negateInPlace(),
                n._lightColor = D.White(),
                n._intensity = 1,
                n._sphericalHarmonics = new Cc,
                n._cubeMapPollTime = Date.now(),
                n._lightEstimationPollTime = Date.now(),
                n._reflectionCubeMapTextureSize = 16,
                n.directionalLight = null,
                n.onReflectionCubeMapUpdatedObservable = new h,
                n._updateReflectionCubeMap = function() {
                    var e;
                    if (n._xrLightProbe) {
                        if (n.options.cubeMapPollInterval) {
                            var t = Date.now();
                            if (t - n._cubeMapPollTime < n.options.cubeMapPollInterval)
                                return;
                            n._cubeMapPollTime = t
                        }
                        var i = n._getXRGLBinding().getReflectionCubeMap(n._xrLightProbe);
                        if (i && n._reflectionCubeMap) {
                            if (n._reflectionCubeMap._texture)
                                null === (e = n._reflectionCubeMap._texture._hardwareTexture) || void 0 === e || e.set(i),
                                n._reflectionCubeMap._texture.getEngine().resetTextureCache();
                            else {
                                var r = new Lt(n._xrSessionManager.scene.getEngine(),At.Unknown);
                                r.isCube = !0,
                                r.invertY = !1,
                                r._useSRGBBuffer = "srgba8" === n.options.reflectionFormat,
                                r.format = a.TEXTUREFORMAT_RGBA,
                                r.generateMipMaps = !0,
                                r.type = "srgba8" !== n.options.reflectionFormat ? a.TEXTURETYPE_HALF_FLOAT : a.TEXTURETYPE_UNSIGNED_BYTE,
                                r.samplingMode = a.TEXTURE_LINEAR_LINEAR_MIPLINEAR,
                                r.width = n._reflectionCubeMapTextureSize,
                                r.height = n._reflectionCubeMapTextureSize,
                                r._cachedWrapU = a.TEXTURE_WRAP_ADDRESSMODE,
                                r._cachedWrapV = a.TEXTURE_WRAP_ADDRESSMODE,
                                r._hardwareTexture = new kt(i,n._getCanvasContext()),
                                n._reflectionCubeMap._texture = r
                            }
                            n._reflectionCubeMap._texture.isReady = !0,
                            n._xrSessionManager.scene.markAllMaterialsAsDirty(a.MATERIAL_TextureDirtyFlag),
                            n.onReflectionCubeMapUpdatedObservable.notifyObservers(n._reflectionCubeMap)
                        }
                    }
                }
                ,
                n.xrNativeFeatureName = "light-estimation",
                n.options.createDirectionalLightSource && (n.directionalLight = new Rd("light estimation directional",n._lightDirection,n._xrSessionManager.scene),
                n.directionalLight.position = new x(0,8,0),
                n.directionalLight.intensity = 0,
                n.directionalLight.falloffType = fn.FALLOFF_GLTF),
                gi.Warn("light-estimation is an experimental and unstable feature."),
                n
            }
            return U(t, e),
            Object.defineProperty(t.prototype, "reflectionCubeMapTexture", {
                get: function() {
                    return this._reflectionCubeMap
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "xrLightingEstimate", {
                get: function() {
                    return this._xrLightEstimate ? {
                        lightColor: this._lightColor,
                        lightDirection: this._lightDirection,
                        lightIntensity: this._intensity,
                        sphericalHarmonics: this._sphericalHarmonics
                    } : this._xrLightEstimate
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype._getCanvasContext = function() {
                return null === this._canvasContext && (this._canvasContext = this._xrSessionManager.scene.getEngine()._gl),
                this._canvasContext
            }
            ,
            t.prototype._getXRGLBinding = function() {
                if (null === this._xrWebGLBinding) {
                    var e = this._getCanvasContext();
                    this._xrWebGLBinding = new XRWebGLBinding(this._xrSessionManager.session,e)
                }
                return this._xrWebGLBinding
            }
            ,
            t.prototype.attach = function() {
                var t, i = this;
                if (!e.prototype.attach.call(this))
                    return !1;
                var n = null !== (t = this.options.reflectionFormat) && void 0 !== t ? t : this._xrSessionManager.session.preferredReflectionFormat || "srgba8";
                return this.options.reflectionFormat = n,
                this._xrSessionManager.session.requestLightProbe({
                    reflectionFormat: n
                }).then((function(e) {
                    i._xrLightProbe = e,
                    i.options.disableCubeMapReflection || (i._reflectionCubeMap || (i._reflectionCubeMap = new Zr(i._xrSessionManager.scene),
                    i._reflectionCubeMap.isCube = !0,
                    i._reflectionCubeMap.coordinatesMode = a.TEXTURE_CUBIC_MODE,
                    i.options.setSceneEnvironmentTexture && (i._xrSessionManager.scene.environmentTexture = i._reflectionCubeMap)),
                    i._xrLightProbe.addEventListener("reflectionchange", i._updateReflectionCubeMap))
                }
                )),
                !0
            }
            ,
            t.prototype.detach = function() {
                var t = e.prototype.detach.call(this);
                return null === this._xrLightProbe || this.options.disableCubeMapReflection || (this._xrLightProbe.removeEventListener("reflectionchange", this._updateReflectionCubeMap),
                this._xrLightProbe = null),
                this._canvasContext = null,
                this._xrLightEstimate = null,
                this._xrWebGLBinding = null,
                t
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this.onReflectionCubeMapUpdatedObservable.clear(),
                this.directionalLight && (this.directionalLight.dispose(),
                this.directionalLight = null),
                null !== this._reflectionCubeMap && (this._reflectionCubeMap._texture && this._reflectionCubeMap._texture.dispose(),
                this._reflectionCubeMap.dispose(),
                this._reflectionCubeMap = null)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t;
                if (null !== this._xrLightProbe) {
                    if (this.options.lightEstimationPollInterval) {
                        var i = Date.now();
                        if (i - this._lightEstimationPollTime < this.options.lightEstimationPollInterval)
                            return;
                        this._lightEstimationPollTime = i
                    }
                    if (this._xrLightEstimate = e.getLightEstimate(this._xrLightProbe),
                    this._xrLightEstimate) {
                        this._intensity = Math.max(1, this._xrLightEstimate.primaryLightIntensity.x, this._xrLightEstimate.primaryLightIntensity.y, this._xrLightEstimate.primaryLightIntensity.z);
                        var n = this._xrSessionManager.scene.useRightHandedSystem ? 1 : -1;
                        this.options.disableVectorReuse && (this._lightDirection = new x,
                        this._lightColor = new D,
                        this.directionalLight && (this.directionalLight.direction = this._lightDirection,
                        this.directionalLight.diffuse = this._lightColor)),
                        this._lightDirection.copyFromFloats(this._xrLightEstimate.primaryLightDirection.x, this._xrLightEstimate.primaryLightDirection.y, this._xrLightEstimate.primaryLightDirection.z * n),
                        this._lightColor.copyFromFloats(this._xrLightEstimate.primaryLightIntensity.x / this._intensity, this._xrLightEstimate.primaryLightIntensity.y / this._intensity, this._xrLightEstimate.primaryLightIntensity.z / this._intensity),
                        this._sphericalHarmonics.updateFromFloatsArray(this._xrLightEstimate.sphericalHarmonicsCoefficients),
                        this._reflectionCubeMap && !this.options.disableSphericalPolynomial && (this._reflectionCubeMap.sphericalPolynomial = this._reflectionCubeMap.sphericalPolynomial || new Pc,
                        null === (t = this._reflectionCubeMap.sphericalPolynomial) || void 0 === t || t.updateFromHarmonics(this._sphericalHarmonics)),
                        this._lightDirection.negateInPlace(),
                        this.directionalLight && (this.directionalLight.direction.copyFrom(this._lightDirection),
                        this.directionalLight.intensity = Math.min(this._intensity, 1),
                        this.directionalLight.diffuse.copyFrom(this._lightColor))
                    }
                }
            }
            ,
            t.Name = Io.LIGHT_ESTIMATION,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(gE.Name, (function(e, t) {
            return function() {
                return new gE(e,t)
            }
        }
        ), gE.Version, !1);
        var vE = function(e) {
            function t(t) {
                var i = e.call(this, t) || this;
                return i.onEyeTrackingStartedObservable = new h,
                i.onEyeTrackingEndedObservable = new h,
                i.onEyeTrackingFrameUpdateObservable = new h,
                i._eyeTrackingStartListener = function(e) {
                    i._latestEyeSpace = e.gazeSpace,
                    i._gazeRay = new _o(x.Zero(),x.Forward()),
                    i.onEyeTrackingStartedObservable.notifyObservers(i._gazeRay)
                }
                ,
                i._eyeTrackingEndListener = function() {
                    i._latestEyeSpace = null,
                    i._gazeRay = null,
                    i.onEyeTrackingEndedObservable.notifyObservers()
                }
                ,
                i.xrNativeFeatureName = "eye-tracking",
                i._xrSessionManager.session ? i._init() : i._xrSessionManager.onXRSessionInit.addOnce((function() {
                    i._init()
                }
                )),
                i
            }
            return U(t, e),
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this),
                this._xrSessionManager.session.removeEventListener("eyetrackingstart", this._eyeTrackingStartListener),
                this._xrSessionManager.session.removeEventListener("eyetrackingend", this._eyeTrackingEndListener),
                this.onEyeTrackingStartedObservable.clear(),
                this.onEyeTrackingEndedObservable.clear(),
                this.onEyeTrackingFrameUpdateObservable.clear()
            }
            ,
            Object.defineProperty(t.prototype, "isEyeGazeValid", {
                get: function() {
                    return !!this._gazeRay
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.getEyeGaze = function() {
                return this._gazeRay
            }
            ,
            t.prototype._onXRFrame = function(e) {
                if (this.attached && e && this._latestEyeSpace && this._gazeRay) {
                    var t = e.getPose(this._latestEyeSpace, this._xrSessionManager.referenceSpace);
                    if (t) {
                        this._gazeRay.origin.set(t.transform.position.x, t.transform.position.y, t.transform.position.z);
                        var i = t.transform.orientation;
                        I.Quaternion[0].set(i.x, i.y, i.z, i.w),
                        this._xrSessionManager.scene.useRightHandedSystem ? x.RightHandedForwardReadOnly.rotateByQuaternionToRef(I.Quaternion[0], this._gazeRay.direction) : (this._gazeRay.origin.z *= -1,
                        I.Quaternion[0].z *= -1,
                        I.Quaternion[0].w *= -1,
                        x.LeftHandedForwardReadOnly.rotateByQuaternionToRef(I.Quaternion[0], this._gazeRay.direction)),
                        this.onEyeTrackingFrameUpdateObservable.notifyObservers(this._gazeRay)
                    }
                }
            }
            ,
            t.prototype._init = function() {
                this._xrSessionManager.isNative && (this._xrSessionManager.session.addEventListener("eyetrackingstart", this._eyeTrackingStartListener),
                this._xrSessionManager.session.addEventListener("eyetrackingend", this._eyeTrackingEndListener))
            }
            ,
            t.Name = Io.EYE_TRACKING,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(vE.Name, (function(e) {
            return function() {
                return new vE(e)
            }
        }
        ), vE.Version, !1);
        var yE = function() {
            function e(e, t) {
                this._samples = [],
                this._idx = 0;
                for (var i = 0; i < e; ++i)
                    this._samples.push(t ? t() : A.Zero())
            }
            return Object.defineProperty(e.prototype, "length", {
                get: function() {
                    return this._samples.length
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.push = function(e, t) {
                this._idx = (this._idx + this._samples.length - 1) % this._samples.length,
                this.at(0).copyFromFloats(e, t)
            }
            ,
            e.prototype.at = function(e) {
                if (e >= this._samples.length)
                    throw new Error("Index out of bounds");
                return this._samples[(this._idx + e) % this._samples.length]
            }
            ,
            e
        }()
          , bE = function() {
            function e() {
                this._samples = new yE(20),
                this._entropy = 0,
                this.onFirstStepDetected = new h
            }
            return e.prototype.update = function(e, t, i, n) {
                this._samples.push(e, t);
                var r = this._samples.at(0);
                if (this._entropy *= this._entropyDecayFactor,
                this._entropy += A.Distance(r, this._samples.at(1)),
                !(this._entropy > this._entropyThreshold)) {
                    var o;
                    for (o = this._samePointCheckStartIdx; o < this._samples.length && !(A.DistanceSquared(r, this._samples.at(o)) < this._samePointSquaredDistanceThreshold); ++o)
                        ;
                    if (o !== this._samples.length) {
                        for (var a = -1, s = 0, l = void 0, c = 1; c < o; ++c)
                            (l = A.DistanceSquared(r, this._samples.at(c))) > a && (s = c,
                            a = l);
                        if (!(a < this._apexSquaredDistanceThreshold)) {
                            var u = this._samples.at(s)
                              , h = u.subtract(r);
                            h.normalize();
                            var d, p = I.Vector2[0], f = 0;
                            for (c = 1; c < o; ++c)
                                this._samples.at(c).subtractToRef(r, p),
                                d = A.Dot(h, p),
                                f += p.lengthSquared() - d * d;
                            if (!(f > o * this._squaredProjectionDistanceThreshold)) {
                                var _ = I.Vector3[0];
                                _.set(i, n, 0);
                                var m = I.Vector3[1];
                                m.set(h.x, h.y, 0);
                                var g = x.Cross(_, m).z > 0
                                  , v = r.clone()
                                  , y = r.clone();
                                u.subtractToRef(r, h),
                                g ? (h.scaleAndAddToRef(this._axisToApexShrinkFactor, v),
                                h.scaleAndAddToRef(this._axisToApexExtendFactor, y)) : (h.scaleAndAddToRef(this._axisToApexExtendFactor, v),
                                h.scaleAndAddToRef(this._axisToApexShrinkFactor, y)),
                                this.onFirstStepDetected.notifyObservers({
                                    leftApex: v,
                                    rightApex: y,
                                    currentPosition: r,
                                    currentStepDirection: g ? "right" : "left"
                                })
                            }
                        }
                    }
                }
            }
            ,
            e.prototype.reset = function() {
                for (var e = 0; e < this._samples.length; ++e)
                    this._samples.at(e).copyFromFloats(0, 0)
            }
            ,
            Object.defineProperty(e.prototype, "_samePointCheckStartIdx", {
                get: function() {
                    return Math.floor(this._samples.length / 3)
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_samePointSquaredDistanceThreshold", {
                get: function() {
                    return 9e-4
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_apexSquaredDistanceThreshold", {
                get: function() {
                    return .0081
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_squaredProjectionDistanceThreshold", {
                get: function() {
                    return 9e-4
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_axisToApexShrinkFactor", {
                get: function() {
                    return .8
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_axisToApexExtendFactor", {
                get: function() {
                    return -1.6
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_entropyDecayFactor", {
                get: function() {
                    return .93
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "_entropyThreshold", {
                get: function() {
                    return .4
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }()
          , TE = function() {
            function e(e, t, i, n) {
                this._leftApex = new A,
                this._rightApex = new A,
                this._currentPosition = new A,
                this._axis = new A,
                this._axisLength = -1,
                this._forward = new A,
                this._steppingLeft = !1,
                this._t = -1,
                this._maxT = -1,
                this._maxTPosition = new A,
                this._vitality = 0,
                this.onMovement = new h,
                this.onFootfall = new h,
                this._reset(e, t, i, "left" === n)
            }
            return e.prototype._reset = function(e, t, i, n) {
                this._leftApex.copyFrom(e),
                this._rightApex.copyFrom(t),
                this._steppingLeft = n,
                this._steppingLeft ? (this._leftApex.subtractToRef(this._rightApex, this._axis),
                this._forward.copyFromFloats(-this._axis.y, this._axis.x)) : (this._rightApex.subtractToRef(this._leftApex, this._axis),
                this._forward.copyFromFloats(this._axis.y, -this._axis.x)),
                this._axisLength = this._axis.length(),
                this._forward.scaleInPlace(1 / this._axisLength),
                this._updateTAndVitality(i.x, i.y),
                this._maxT = this._t,
                this._maxTPosition.copyFrom(i),
                this._vitality = 1
            }
            ,
            e.prototype._updateTAndVitality = function(e, t) {
                this._currentPosition.copyFromFloats(e, t),
                this._steppingLeft ? this._currentPosition.subtractInPlace(this._rightApex) : this._currentPosition.subtractInPlace(this._leftApex);
                var i = this._t
                  , n = A.Dot(this._currentPosition, this._axis);
                this._t = n / (this._axisLength * this._axisLength);
                var r = this._currentPosition.lengthSquared() - n / this._axisLength * (n / this._axisLength);
                this._vitality *= .92 - 100 * Math.max(r - .0016, 0) + Math.max(this._t - i, 0)
            }
            ,
            e.prototype.update = function(e, t) {
                if (this._vitality < this._vitalityThreshold)
                    return !1;
                var i = this._t;
                return this._updateTAndVitality(e, t),
                this._t > this._maxT && (this._maxT = this._t,
                this._maxTPosition.copyFromFloats(e, t)),
                !(this._vitality < this._vitalityThreshold || (this._t > i && (this.onMovement.notifyObservers({
                    deltaT: this._t - i
                }),
                i < .5 && this._t >= .5 && this.onFootfall.notifyObservers({
                    foot: this._steppingLeft ? "left" : "right"
                })),
                this._t < .95 * this._maxT && (this._currentPosition.copyFromFloats(e, t),
                this._steppingLeft ? this._leftApex.copyFrom(this._maxTPosition) : this._rightApex.copyFrom(this._maxTPosition),
                this._reset(this._leftApex, this._rightApex, this._currentPosition, !this._steppingLeft)),
                this._axisLength < .03))
            }
            ,
            Object.defineProperty(e.prototype, "_vitalityThreshold", {
                get: function() {
                    return .1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "forward", {
                get: function() {
                    return this._forward
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }()
          , EE = function() {
            function e(t) {
                var i = this;
                this._detector = new bE,
                this._walker = null,
                this._movement = new A,
                this._millisecondsSinceLastUpdate = e._MillisecondsPerUpdate,
                this.movementThisFrame = x.Zero(),
                this._engine = t,
                this._detector.onFirstStepDetected.add((function(e) {
                    i._walker || (i._walker = new TE(e.leftApex,e.rightApex,e.currentPosition,e.currentStepDirection),
                    i._walker.onFootfall.add((function() {
                        console.log("Footfall!")
                    }
                    )),
                    i._walker.onMovement.add((function(e) {
                        i._walker.forward.scaleAndAddToRef(.024 * e.deltaT, i._movement)
                    }
                    )))
                }
                ))
            }
            return Object.defineProperty(e, "_MillisecondsPerUpdate", {
                get: function() {
                    return 1e3 / 15
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.update = function(t, i) {
                i.y = 0,
                i.normalize(),
                this._millisecondsSinceLastUpdate += this._engine.getDeltaTime(),
                this._millisecondsSinceLastUpdate >= e._MillisecondsPerUpdate && (this._millisecondsSinceLastUpdate -= e._MillisecondsPerUpdate,
                this._detector.update(t.x, t.z, i.x, i.z),
                this._walker && (this._walker.update(t.x, t.z) || (this._walker = null)),
                this._movement.scaleInPlace(.85)),
                this.movementThisFrame.set(this._movement.x, 0, this._movement.y)
            }
            ,
            e
        }()
          , SE = function(e) {
            function t(t, i) {
                var n = e.call(this, t) || this;
                return n._up = new x,
                n._forward = new x,
                n._position = new x,
                n._movement = new x,
                n._sessionManager = t,
                n.locomotionTarget = i.locomotionTarget,
                n._isLocomotionTargetWebXRCamera && K.Warn("Using walking locomotion directly on a WebXRCamera may have unintended interactions with other XR techniques. Using an XR space parent is highly recommended"),
                n
            }
            return U(t, e),
            Object.defineProperty(t, "Name", {
                get: function() {
                    return Io.WALKING_LOCOMOTION
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t, "Version", {
                get: function() {
                    return 1
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(t.prototype, "locomotionTarget", {
                get: function() {
                    return this._locomotionTarget
                },
                set: function(e) {
                    this._locomotionTarget = e,
                    this._isLocomotionTargetWebXRCamera = "WebXRCamera" === this._locomotionTarget.getClassName()
                },
                enumerable: !1,
                configurable: !0
            }),
            t.prototype.isCompatible = function() {
                return void 0 === this._sessionManager.sessionMode || "immersive-vr" === this._sessionManager.sessionMode
            }
            ,
            t.prototype.attach = function() {
                return !(!this.isCompatible || !e.prototype.attach.call(this) || (this._walker = new EE(this._sessionManager.scene.getEngine()),
                0))
            }
            ,
            t.prototype.detach = function() {
                return !!e.prototype.detach.call(this) && (this._walker = null,
                !0)
            }
            ,
            t.prototype._onXRFrame = function(e) {
                var t = e.getViewerPose(this._sessionManager.baseReferenceSpace);
                if (t) {
                    var i = this.locomotionTarget.getScene().useRightHandedSystem ? 1 : -1
                      , n = t.transform.matrix;
                    this._up.copyFromFloats(n[4], n[5], i * n[6]),
                    this._forward.copyFromFloats(n[8], n[9], i * n[10]),
                    this._position.copyFromFloats(n[12], n[13], i * n[14]),
                    this._forward.scaleAndAddToRef(.05, this._position),
                    this._up.scaleAndAddToRef(-.05, this._position),
                    this._walker.update(this._position, this._forward),
                    this._movement.copyFrom(this._walker.movementThisFrame),
                    this._isLocomotionTargetWebXRCamera || x.TransformNormalToRef(this._movement, this.locomotionTarget.getWorldMatrix(), this._movement),
                    this.locomotionTarget.position.addInPlace(this._movement)
                }
            }
            ,
            t
        }(wp);
        Oo.AddWebXRFeature(SE.Name, (function(e, t) {
            return function() {
                return new SE(e,t)
            }
        }
        ), SE.Version, !1);
        var AE = function(e) {
            function t(t, i, n, r, o, a) {
                var s = e.call(this, t, i, n, r, a) || this;
                return s.getWidth = t,
                s.getHeight = i,
                s.layer = n,
                s.layerType = r,
                s.isMultiview = o,
                s.createRTTProvider = a,
                s
            }
            return U(t, e),
            t
        }(ws)
          , xE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t.scene, n) || this;
                return r._xrSessionManager = t,
                r._xrWebGLBinding = i,
                r.layerWrapper = n,
                r._lastSubImages = new Map,
                r._compositionLayer = n.layer,
                r
            }
            return U(t, e),
            t.prototype._getRenderTargetForSubImage = function(e, t) {
                var i = this._lastSubImages.get(t)
                  , n = "left" == t ? 0 : 1;
                return this._renderTargetTextures[n] && (null == i ? void 0 : i.textureWidth) === e.textureWidth && (null == i ? void 0 : i.textureHeight) == e.textureHeight || (this._renderTargetTextures[n] = this._createRenderTargetTexture(e.textureWidth, e.textureHeight, null, e.colorTexture, e.depthStencilTexture, this.layerWrapper.isMultiview),
                this._framebufferDimensions = {
                    framebufferWidth: e.textureWidth,
                    framebufferHeight: e.textureHeight
                }),
                this._lastSubImages.set(t, e),
                this._renderTargetTextures[n]
            }
            ,
            t.prototype._getSubImageForEye = function(e) {
                var t = this._xrSessionManager.currentFrame;
                return t ? this._xrWebGLBinding.getSubImage(this._compositionLayer, t, e) : null
            }
            ,
            t.prototype.getRenderTargetTextureForEye = function(e) {
                var t = this._getSubImageForEye(e);
                return t ? this._getRenderTargetForSubImage(t, e) : null
            }
            ,
            t.prototype.getRenderTargetTextureForView = function(e) {
                return this.getRenderTargetTextureForEye(e.eye)
            }
            ,
            t.prototype._setViewportForSubImage = function(e, t) {
                var i = t.textureWidth
                  , n = t.textureHeight
                  , r = t.viewport;
                e.x = r.x / i,
                e.y = r.y / n,
                e.width = r.width / i,
                e.height = r.height / n
            }
            ,
            t.prototype.trySetViewportForView = function(e, t) {
                var i = this._lastSubImages.get(t.eye) || this._getSubImageForEye(t.eye);
                return !!i && (this._setViewportForSubImage(e, i),
                !0)
            }
            ,
            t
        }(Bs)
          , RE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, (function() {
                    return t.textureWidth
                }
                ), (function() {
                    return t.textureHeight
                }
                ), t, "XRProjectionLayer", i, (function(e) {
                    return new CE(e,n,r)
                }
                )) || this;
                return r.layer = t,
                r
            }
            return U(t, e),
            t
        }(AE)
          , CE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, i, n) || this;
                return r.layerWrapper = n,
                r._projectionLayer = n.layer,
                r
            }
            return U(t, e),
            t.prototype._getSubImageForView = function(e) {
                return this._xrWebGLBinding.getViewSubImage(this._projectionLayer, e)
            }
            ,
            t.prototype.getRenderTargetTextureForView = function(e) {
                return this._getRenderTargetForSubImage(this._getSubImageForView(e), e.eye)
            }
            ,
            t.prototype.getRenderTargetTextureForEye = function(e) {
                var t = this._lastSubImages.get(e);
                return t ? this._getRenderTargetForSubImage(t, e) : null
            }
            ,
            t.prototype.trySetViewportForView = function(e, t) {
                var i = this._lastSubImages.get(t.eye) || this._getSubImageForView(t);
                return !!i && (this._setViewportForSubImage(e, i),
                !0)
            }
            ,
            t
        }(xE)
          , PE = {}
          , ME = {
            textureType: "texture",
            colorFormat: 6408,
            depthFormat: 35056,
            scaleFactor: 1
        }
          , IE = function(e) {
            function t(t, i) {
                void 0 === i && (i = {});
                var n = e.call(this, t) || this;
                return n._options = i,
                n._existingLayers = [],
                n.xrNativeFeatureName = "layers",
                n
            }
            return U(t, e),
            t.prototype.attach = function() {
                if (!e.prototype.attach.call(this))
                    return !1;
                var t = this._xrSessionManager.scene.getEngine();
                this._glContext = t._gl,
                this._xrWebGLBinding = new XRWebGLBinding(this._xrSessionManager.session,this._glContext),
                this._existingLayers = [];
                var i = V({}, ME)
                  , n = this._options.preferMultiviewOnInit && t.getCaps().multiview;
                return n && (i.textureType = "texture-array"),
                this.addXRSessionLayer(this.createProjectionLayer(i, n)),
                !0
            }
            ,
            t.prototype.detach = function() {
                return !!e.prototype.detach.call(this) && (this._existingLayers.length = 0,
                !0)
            }
            ,
            t.prototype.createXRWebGLLayer = function(e) {
                void 0 === e && (e = PE);
                var t = new XRWebGLLayer(this._xrSessionManager.session,this._glContext,e);
                return new Us(t)
            }
            ,
            t.prototype.createProjectionLayer = function(e, t) {
                if (void 0 === e && (e = ME),
                void 0 === t && (t = !1),
                t && "texture-array" !== e.textureType)
                    throw new Error("Projection layers can only be made multiview if they use texture arrays. Set the textureType parameter to 'texture-array'.");
                if (!t && "texture-array" === e.textureType)
                    throw new Error("We currently only support multiview rendering when the textureType parameter is set to 'texture-array'.");
                var i = this._xrWebGLBinding.createProjectionLayer(e);
                return new RE(i,t,this._xrWebGLBinding)
            }
            ,
            t.prototype.addXRSessionLayer = function(e) {
                this.setXRSessionLayers(W(W([], this._existingLayers, !0), [e], !1))
            }
            ,
            t.prototype.setXRSessionLayers = function(e) {
                this._existingLayers = e;
                var t = V({}, this._xrSessionManager.session.renderState);
                t.baseLayer = void 0,
                t.layers = e.map((function(e) {
                    return e.layer
                }
                )),
                this._xrSessionManager.updateRenderState(t),
                this._xrSessionManager._setBaseLayerWrapper(e.length > 0 ? e[0] : null)
            }
            ,
            t.prototype.isCompatible = function() {
                return !this._xrSessionManager.isNative && "undefined" != typeof XRWebGLBinding && !!XRWebGLBinding.prototype.createProjectionLayer
            }
            ,
            t.prototype.dispose = function() {
                e.prototype.dispose.call(this)
            }
            ,
            t.prototype._onXRFrame = function(e) {}
            ,
            t.Name = Io.LAYERS,
            t.Version = 1,
            t
        }(wp);
        Oo.AddWebXRFeature(IE.Name, (function(e, t) {
            return function() {
                return new IE(e,t)
            }
        }
        ), IE.Version, !1);
        var OE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, DE[n], i, n, !0) || this;
                return r.profileId = "generic-hand-select-grasp",
                r
            }
            return U(t, e),
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: "generic.babylon",
                    path: "https://controllers.babylonjs.com/generic/"
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                return !0
            }
            ,
            t.prototype._processLoadedModel = function(e) {}
            ,
            t.prototype._setRootMesh = function(e) {}
            ,
            t.prototype._updateModel = function() {}
            ,
            t
        }(xp);
        Ip.RegisterController("generic-hand-select-grasp", (function(e, t) {
            return new OE(t,e.gamepad,e.handedness)
        }
        ));
        var DE = {
            left: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr-standard-trigger",
                        visualResponses: {}
                    },
                    grasp: {
                        type: "trigger",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "grasp",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-hand-select-grasp-left",
                assetPath: "left.glb"
            },
            right: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr-standard-trigger",
                        visualResponses: {}
                    },
                    grasp: {
                        type: "trigger",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "grasp",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-hand-select-grasp-right",
                assetPath: "right.glb"
            },
            none: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr-standard-trigger",
                        visualResponses: {}
                    },
                    grasp: {
                        type: "trigger",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "grasp",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "generic-hand-select-grasp-none",
                assetPath: "none.glb"
            }
        }
          , NE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, LE["left-right"], i, n) || this;
                return r._mapping = {
                    defaultButton: {
                        valueNodeName: "VALUE",
                        unpressedNodeName: "UNPRESSED",
                        pressedNodeName: "PRESSED"
                    },
                    defaultAxis: {
                        valueNodeName: "VALUE",
                        minNodeName: "MIN",
                        maxNodeName: "MAX"
                    },
                    buttons: {
                        "xr-standard-trigger": {
                            rootNodeName: "SELECT",
                            componentProperty: "button",
                            states: ["default", "touched", "pressed"]
                        },
                        "xr-standard-squeeze": {
                            rootNodeName: "GRASP",
                            componentProperty: "state",
                            states: ["pressed"]
                        },
                        "xr-standard-touchpad": {
                            rootNodeName: "TOUCHPAD_PRESS",
                            labelAnchorNodeName: "squeeze-label",
                            touchPointNodeName: "TOUCH"
                        },
                        "xr-standard-thumbstick": {
                            rootNodeName: "THUMBSTICK_PRESS",
                            componentProperty: "state",
                            states: ["pressed"]
                        }
                    },
                    axes: {
                        "xr-standard-touchpad": {
                            "x-axis": {
                                rootNodeName: "TOUCHPAD_TOUCH_X"
                            },
                            "y-axis": {
                                rootNodeName: "TOUCHPAD_TOUCH_Y"
                            }
                        },
                        "xr-standard-thumbstick": {
                            "x-axis": {
                                rootNodeName: "THUMBSTICK_X"
                            },
                            "y-axis": {
                                rootNodeName: "THUMBSTICK_Y"
                            }
                        }
                    }
                },
                r.profileId = "microsoft-mixed-reality",
                r
            }
            return U(t, e),
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: "left" === this.handedness ? t.MODEL_LEFT_FILENAME : t.MODEL_RIGHT_FILENAME,
                    path: t.MODEL_BASE_URL + "default/"
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                var e = od.IsPluginForExtensionAvailable(".glb");
                return e || K.Warn("glTF / glb loaded was not registered, using generic controller instead"),
                e
            }
            ,
            t.prototype._processLoadedModel = function(e) {
                var t = this;
                this.rootMesh && (this.getComponentIds().forEach((function(e, i) {
                    if (!t.disableAnimation && e && t.rootMesh) {
                        var n = t._mapping.buttons[e]
                          , r = n.rootNodeName;
                        if (!r)
                            return void K.Log("Skipping unknown button at index: " + i + " with mapped name: " + e);
                        var o = t._getChildByName(t.rootMesh, r);
                        if (!o)
                            return void K.Warn("Missing button mesh with name: " + r);
                        if (n.valueMesh = t._getImmediateChildByName(o, t._mapping.defaultButton.valueNodeName),
                        n.pressedMesh = t._getImmediateChildByName(o, t._mapping.defaultButton.pressedNodeName),
                        n.unpressedMesh = t._getImmediateChildByName(o, t._mapping.defaultButton.unpressedNodeName),
                        n.valueMesh && n.pressedMesh && n.unpressedMesh) {
                            var a = t.getComponent(e);
                            a && a.onButtonStateChangedObservable.add((function(e) {
                                t._lerpTransform(n, e.value)
                            }
                            ), void 0, !0)
                        } else
                            K.Warn("Missing button submesh under mesh with name: " + r)
                    }
                }
                )),
                this.getComponentIds().forEach((function(e) {
                    var i = t.getComponent(e);
                    i.isAxes() && ["x-axis", "y-axis"].forEach((function(n) {
                        if (t.rootMesh) {
                            var r = t._mapping.axes[e][n]
                              , o = t._getChildByName(t.rootMesh, r.rootNodeName);
                            o ? (r.valueMesh = t._getImmediateChildByName(o, t._mapping.defaultAxis.valueNodeName),
                            r.minMesh = t._getImmediateChildByName(o, t._mapping.defaultAxis.minNodeName),
                            r.maxMesh = t._getImmediateChildByName(o, t._mapping.defaultAxis.maxNodeName),
                            r.valueMesh && r.minMesh && r.maxMesh ? i && i.onAxisValueChangedObservable.add((function(e) {
                                var i = "x-axis" === n ? e.x : e.y;
                                t._lerpTransform(r, i, !0)
                            }
                            ), void 0, !0) : K.Warn("Missing axis submesh under mesh with name: " + r.rootNodeName)) : K.Warn("Missing axis mesh with name: " + r.rootNodeName)
                        }
                    }
                    ))
                }
                )))
            }
            ,
            t.prototype._setRootMesh = function(e) {
                var t;
                this.rootMesh = new Vr(this.profileId + " " + this.handedness,this.scene),
                this.rootMesh.isPickable = !1;
                for (var i = 0; i < e.length; i++) {
                    var n = e[i];
                    n.isPickable = !1,
                    n.parent || (t = n)
                }
                t && t.setParent(this.rootMesh),
                this.scene.useRightHandedSystem || (this.rootMesh.rotationQuaternion = C.FromEulerAngles(0, Math.PI, 0))
            }
            ,
            t.prototype._updateModel = function() {}
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/microsoft/",
            t.MODEL_LEFT_FILENAME = "left.glb",
            t.MODEL_RIGHT_FILENAME = "right.glb",
            t
        }(xp);
        Ip.RegisterController("windows-mixed-reality", (function(e, t) {
            return new NE(t,e.gamepad,e.handedness)
        }
        ));
        var LE = {
            left: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {
                            xr_standard_trigger_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_trigger_pressed_value",
                                minNodeName: "xr_standard_trigger_pressed_min",
                                maxNodeName: "xr_standard_trigger_pressed_max"
                            }
                        }
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {
                            xr_standard_squeeze_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_squeeze_pressed_value",
                                minNodeName: "xr_standard_squeeze_pressed_min",
                                maxNodeName: "xr_standard_squeeze_pressed_max"
                            }
                        }
                    },
                    "xr-standard-touchpad": {
                        type: "touchpad",
                        gamepadIndices: {
                            button: 2,
                            xAxis: 0,
                            yAxis: 1
                        },
                        rootNodeName: "xr_standard_touchpad",
                        visualResponses: {
                            xr_standard_touchpad_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_pressed_value",
                                minNodeName: "xr_standard_touchpad_pressed_min",
                                maxNodeName: "xr_standard_touchpad_pressed_max"
                            },
                            xr_standard_touchpad_xaxis_pressed: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_xaxis_pressed_value",
                                minNodeName: "xr_standard_touchpad_xaxis_pressed_min",
                                maxNodeName: "xr_standard_touchpad_xaxis_pressed_max"
                            },
                            xr_standard_touchpad_yaxis_pressed: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_yaxis_pressed_value",
                                minNodeName: "xr_standard_touchpad_yaxis_pressed_min",
                                maxNodeName: "xr_standard_touchpad_yaxis_pressed_max"
                            },
                            xr_standard_touchpad_xaxis_touched: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_xaxis_touched_value",
                                minNodeName: "xr_standard_touchpad_xaxis_touched_min",
                                maxNodeName: "xr_standard_touchpad_xaxis_touched_max"
                            },
                            xr_standard_touchpad_yaxis_touched: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_yaxis_touched_value",
                                minNodeName: "xr_standard_touchpad_yaxis_touched_min",
                                maxNodeName: "xr_standard_touchpad_yaxis_touched_max"
                            },
                            xr_standard_touchpad_axes_touched: {
                                componentProperty: "state",
                                states: ["touched", "pressed"],
                                valueNodeProperty: "visibility",
                                valueNodeName: "xr_standard_touchpad_axes_touched_value"
                            }
                        },
                        touchPointNodeName: "xr_standard_touchpad_axes_touched_value"
                    },
                    "xr-standard-thumbstick": {
                        type: "thumbstick",
                        gamepadIndices: {
                            button: 3,
                            xAxis: 2,
                            yAxis: 3
                        },
                        rootNodeName: "xr_standard_thumbstick",
                        visualResponses: {
                            xr_standard_thumbstick_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_pressed_value",
                                minNodeName: "xr_standard_thumbstick_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_pressed_max"
                            },
                            xr_standard_thumbstick_xaxis_pressed: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_xaxis_pressed_value",
                                minNodeName: "xr_standard_thumbstick_xaxis_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_xaxis_pressed_max"
                            },
                            xr_standard_thumbstick_yaxis_pressed: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_yaxis_pressed_value",
                                minNodeName: "xr_standard_thumbstick_yaxis_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_yaxis_pressed_max"
                            }
                        }
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "microsoft-mixed-reality-left",
                assetPath: "left.glb"
            },
            right: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {
                            xr_standard_trigger_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_trigger_pressed_value",
                                minNodeName: "xr_standard_trigger_pressed_min",
                                maxNodeName: "xr_standard_trigger_pressed_max"
                            }
                        }
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {
                            xr_standard_squeeze_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_squeeze_pressed_value",
                                minNodeName: "xr_standard_squeeze_pressed_min",
                                maxNodeName: "xr_standard_squeeze_pressed_max"
                            }
                        }
                    },
                    "xr-standard-touchpad": {
                        type: "touchpad",
                        gamepadIndices: {
                            button: 2,
                            xAxis: 0,
                            yAxis: 1
                        },
                        rootNodeName: "xr_standard_touchpad",
                        visualResponses: {
                            xr_standard_touchpad_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_pressed_value",
                                minNodeName: "xr_standard_touchpad_pressed_min",
                                maxNodeName: "xr_standard_touchpad_pressed_max"
                            },
                            xr_standard_touchpad_xaxis_pressed: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_xaxis_pressed_value",
                                minNodeName: "xr_standard_touchpad_xaxis_pressed_min",
                                maxNodeName: "xr_standard_touchpad_xaxis_pressed_max"
                            },
                            xr_standard_touchpad_yaxis_pressed: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_yaxis_pressed_value",
                                minNodeName: "xr_standard_touchpad_yaxis_pressed_min",
                                maxNodeName: "xr_standard_touchpad_yaxis_pressed_max"
                            },
                            xr_standard_touchpad_xaxis_touched: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_xaxis_touched_value",
                                minNodeName: "xr_standard_touchpad_xaxis_touched_min",
                                maxNodeName: "xr_standard_touchpad_xaxis_touched_max"
                            },
                            xr_standard_touchpad_yaxis_touched: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_touchpad_yaxis_touched_value",
                                minNodeName: "xr_standard_touchpad_yaxis_touched_min",
                                maxNodeName: "xr_standard_touchpad_yaxis_touched_max"
                            },
                            xr_standard_touchpad_axes_touched: {
                                componentProperty: "state",
                                states: ["touched", "pressed"],
                                valueNodeProperty: "visibility",
                                valueNodeName: "xr_standard_touchpad_axes_touched_value"
                            }
                        },
                        touchPointNodeName: "xr_standard_touchpad_axes_touched_value"
                    },
                    "xr-standard-thumbstick": {
                        type: "thumbstick",
                        gamepadIndices: {
                            button: 3,
                            xAxis: 2,
                            yAxis: 3
                        },
                        rootNodeName: "xr_standard_thumbstick",
                        visualResponses: {
                            xr_standard_thumbstick_pressed: {
                                componentProperty: "button",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_pressed_value",
                                minNodeName: "xr_standard_thumbstick_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_pressed_max"
                            },
                            xr_standard_thumbstick_xaxis_pressed: {
                                componentProperty: "xAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_xaxis_pressed_value",
                                minNodeName: "xr_standard_thumbstick_xaxis_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_xaxis_pressed_max"
                            },
                            xr_standard_thumbstick_yaxis_pressed: {
                                componentProperty: "yAxis",
                                states: ["default", "touched", "pressed"],
                                valueNodeProperty: "transform",
                                valueNodeName: "xr_standard_thumbstick_yaxis_pressed_value",
                                minNodeName: "xr_standard_thumbstick_yaxis_pressed_min",
                                maxNodeName: "xr_standard_thumbstick_yaxis_pressed_max"
                            }
                        }
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "microsoft-mixed-reality-right",
                assetPath: "right.glb"
            }
        }
          , FE = function(e) {
            function t(t, i, n, r, o) {
                void 0 === r && (r = !1),
                void 0 === o && (o = !1);
                var a = e.call(this, t, wE[n], i, n) || this;
                return a._forceLegacyControllers = o,
                a.profileId = "oculus-touch",
                a
            }
            return U(t, e),
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: "left" === this.handedness ? t.MODEL_LEFT_FILENAME : t.MODEL_RIGHT_FILENAME,
                    path: this._isQuest() ? t.QUEST_MODEL_BASE_URL : t.MODEL_BASE_URL
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                return !0
            }
            ,
            t.prototype._processLoadedModel = function(e) {
                var t = this
                  , i = this._isQuest()
                  , n = "right" === this.handedness ? -1 : 1;
                this.getComponentIds().forEach((function(e) {
                    var r = e && t.getComponent(e);
                    r && r.onButtonStateChangedObservable.add((function(r) {
                        if (t.rootMesh && !t.disableAnimation)
                            switch (e) {
                            case "xr-standard-trigger":
                                return void (i || (t._modelRootNode.getChildren()[3].rotation.x = .2 * -r.value,
                                t._modelRootNode.getChildren()[3].position.y = .005 * -r.value,
                                t._modelRootNode.getChildren()[3].position.z = .005 * -r.value));
                            case "xr-standard-squeeze":
                                return void (i || (t._modelRootNode.getChildren()[4].position.x = n * r.value * .0035));
                            case "xr-standard-thumbstick":
                                return;
                            case "a-button":
                            case "x-button":
                                return void (i || (r.pressed ? t._modelRootNode.getChildren()[1].position.y = -.001 : t._modelRootNode.getChildren()[1].position.y = 0));
                            case "b-button":
                            case "y-button":
                                return void (i || (r.pressed ? t._modelRootNode.getChildren()[2].position.y = -.001 : t._modelRootNode.getChildren()[2].position.y = 0))
                            }
                    }
                    ), void 0, !0)
                }
                ))
            }
            ,
            t.prototype._setRootMesh = function(e) {
                this.rootMesh = new Vr(this.profileId + " " + this.handedness,this.scene),
                this.scene.useRightHandedSystem || (this.rootMesh.rotationQuaternion = C.FromEulerAngles(0, Math.PI, 0)),
                e.forEach((function(e) {
                    e.isPickable = !1
                }
                )),
                this._isQuest() ? this._modelRootNode = e[0] : (this._modelRootNode = e[1],
                this.rootMesh.position.y = .034,
                this.rootMesh.position.z = .052),
                this._modelRootNode.parent = this.rootMesh
            }
            ,
            t.prototype._updateModel = function() {}
            ,
            t.prototype._isQuest = function() {
                return !!navigator.userAgent.match(/Quest/gi) && !this._forceLegacyControllers
            }
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/oculus/",
            t.MODEL_LEFT_FILENAME = "left.babylon",
            t.MODEL_RIGHT_FILENAME = "right.babylon",
            t.QUEST_MODEL_BASE_URL = "https://controllers.babylonjs.com/oculusQuest/",
            t
        }(xp);
        Ip.RegisterController("oculus-touch", (function(e, t) {
            return new FE(t,e.gamepad,e.handedness)
        }
        )),
        Ip.RegisterController("oculus-touch-legacy", (function(e, t) {
            return new FE(t,e.gamepad,e.handedness,!0)
        }
        ));
        var wE = {
            left: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {}
                    },
                    "xr-standard-thumbstick": {
                        type: "thumbstick",
                        gamepadIndices: {
                            button: 3,
                            xAxis: 2,
                            yAxis: 3
                        },
                        rootNodeName: "xr_standard_thumbstick",
                        visualResponses: {}
                    },
                    "x-button": {
                        type: "button",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "x_button",
                        visualResponses: {}
                    },
                    "y-button": {
                        type: "button",
                        gamepadIndices: {
                            button: 5
                        },
                        rootNodeName: "y_button",
                        visualResponses: {}
                    },
                    thumbrest: {
                        type: "button",
                        gamepadIndices: {
                            button: 6
                        },
                        rootNodeName: "thumbrest",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "oculus-touch-v2-left",
                assetPath: "left.glb"
            },
            right: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {}
                    },
                    "xr-standard-thumbstick": {
                        type: "thumbstick",
                        gamepadIndices: {
                            button: 3,
                            xAxis: 2,
                            yAxis: 3
                        },
                        rootNodeName: "xr_standard_thumbstick",
                        visualResponses: {}
                    },
                    "a-button": {
                        type: "button",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "a_button",
                        visualResponses: {}
                    },
                    "b-button": {
                        type: "button",
                        gamepadIndices: {
                            button: 5
                        },
                        rootNodeName: "b_button",
                        visualResponses: {}
                    },
                    thumbrest: {
                        type: "button",
                        gamepadIndices: {
                            button: 6
                        },
                        rootNodeName: "thumbrest",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "oculus-touch-v2-right",
                assetPath: "right.glb"
            }
        }
          , BE = function(e) {
            function t(t, i, n) {
                var r = e.call(this, t, UE[n], i, n) || this;
                return r.profileId = "htc-vive",
                r
            }
            return U(t, e),
            t.prototype._getFilenameAndPath = function() {
                return {
                    filename: t.MODEL_FILENAME,
                    path: t.MODEL_BASE_URL
                }
            }
            ,
            t.prototype._getModelLoadingConstraints = function() {
                return !0
            }
            ,
            t.prototype._processLoadedModel = function(e) {
                var t = this;
                this.getComponentIds().forEach((function(e) {
                    var i = e && t.getComponent(e);
                    i && i.onButtonStateChangedObservable.add((function(i) {
                        if (t.rootMesh && !t.disableAnimation)
                            switch (e) {
                            case "xr-standard-trigger":
                                return void (t._modelRootNode.getChildren()[6].rotation.x = .15 * -i.value);
                            case "xr-standard-touchpad":
                            case "xr-standard-squeeze":
                                return
                            }
                    }
                    ), void 0, !0)
                }
                ))
            }
            ,
            t.prototype._setRootMesh = function(e) {
                this.rootMesh = new Vr(this.profileId + " " + this.handedness,this.scene),
                e.forEach((function(e) {
                    e.isPickable = !1
                }
                )),
                this._modelRootNode = e[1],
                this._modelRootNode.parent = this.rootMesh,
                this.scene.useRightHandedSystem || (this.rootMesh.rotationQuaternion = C.FromEulerAngles(0, Math.PI, 0))
            }
            ,
            t.prototype._updateModel = function() {}
            ,
            t.MODEL_BASE_URL = "https://controllers.babylonjs.com/vive/",
            t.MODEL_FILENAME = "wand.babylon",
            t
        }(xp);
        Ip.RegisterController("htc-vive", (function(e, t) {
            return new BE(t,e.gamepad,e.handedness)
        }
        ));
        var UE = {
            left: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {}
                    },
                    "xr-standard-touchpad": {
                        type: "touchpad",
                        gamepadIndices: {
                            button: 2,
                            xAxis: 0,
                            yAxis: 1
                        },
                        rootNodeName: "xr_standard_touchpad",
                        visualResponses: {}
                    },
                    menu: {
                        type: "button",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "menu",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "htc_vive_none",
                assetPath: "none.glb"
            },
            right: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {}
                    },
                    "xr-standard-touchpad": {
                        type: "touchpad",
                        gamepadIndices: {
                            button: 2,
                            xAxis: 0,
                            yAxis: 1
                        },
                        rootNodeName: "xr_standard_touchpad",
                        visualResponses: {}
                    },
                    menu: {
                        type: "button",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "menu",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "htc_vive_none",
                assetPath: "none.glb"
            },
            none: {
                selectComponentId: "xr-standard-trigger",
                components: {
                    "xr-standard-trigger": {
                        type: "trigger",
                        gamepadIndices: {
                            button: 0
                        },
                        rootNodeName: "xr_standard_trigger",
                        visualResponses: {}
                    },
                    "xr-standard-squeeze": {
                        type: "squeeze",
                        gamepadIndices: {
                            button: 1
                        },
                        rootNodeName: "xr_standard_squeeze",
                        visualResponses: {}
                    },
                    "xr-standard-touchpad": {
                        type: "touchpad",
                        gamepadIndices: {
                            button: 2,
                            xAxis: 0,
                            yAxis: 1
                        },
                        rootNodeName: "xr_standard_touchpad",
                        visualResponses: {}
                    },
                    menu: {
                        type: "button",
                        gamepadIndices: {
                            button: 4
                        },
                        rootNodeName: "menu",
                        visualResponses: {}
                    }
                },
                gamepadMapping: "xr-standard",
                rootNodeName: "htc-vive-none",
                assetPath: "none.glb"
            }
        }
          , VE = function() {
            function e(e) {
                this._nativeImpl = e,
                this._xrTransform = new XRRigidTransform,
                this._xrPose = {
                    transform: this._xrTransform,
                    emulatedPosition: !1
                },
                this._xrPoseVectorData = new Float32Array(8),
                this.fillPoses = this._nativeImpl.fillPoses.bind(this._nativeImpl),
                this.getViewerPose = this._nativeImpl.getViewerPose.bind(this._nativeImpl),
                this.getHitTestResults = this._nativeImpl.getHitTestResults.bind(this._nativeImpl),
                this.getHitTestResultsForTransientInput = function() {
                    throw new Error("XRFrame.getHitTestResultsForTransientInput not supported on native.")
                }
                ,
                this.createAnchor = this._nativeImpl.createAnchor.bind(this._nativeImpl),
                this.getJointPose = this._nativeImpl.getJointPose.bind(this._nativeImpl),
                this.fillJointRadii = this._nativeImpl.fillJointRadii.bind(this._nativeImpl),
                this.getLightEstimate = function() {
                    throw new Error("XRFrame.getLightEstimate not supported on native.")
                }
                ,
                this.getImageTrackingResults = this._nativeImpl.getImageTrackingResults.bind(this._nativeImpl)
            }
            return Object.defineProperty(e.prototype, "session", {
                get: function() {
                    return this._nativeImpl.session
                },
                enumerable: !1,
                configurable: !0
            }),
            e.prototype.getPose = function(e, t) {
                if (this._nativeImpl.getPoseData(e, t, this._xrPoseVectorData.buffer, this._xrTransform.matrix.buffer)) {
                    var i = this._xrTransform.position;
                    i.x = this._xrPoseVectorData[0],
                    i.y = this._xrPoseVectorData[1],
                    i.z = this._xrPoseVectorData[2],
                    i.w = this._xrPoseVectorData[3];
                    var n = this._xrTransform.orientation;
                    return n.x = this._xrPoseVectorData[4],
                    n.y = this._xrPoseVectorData[5],
                    n.z = this._xrPoseVectorData[6],
                    n.w = this._xrPoseVectorData[7],
                    this._xrPose
                }
            }
            ,
            Object.defineProperty(e.prototype, "trackedAnchors", {
                get: function() {
                    return this._nativeImpl.trackedAnchors
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "worldInformation", {
                get: function() {
                    return this._nativeImpl.worldInformation
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "detectedPlanes", {
                get: function() {
                    return this._nativeImpl.detectedPlanes
                },
                enumerable: !1,
                configurable: !0
            }),
            Object.defineProperty(e.prototype, "featurePointCloud", {
                get: function() {
                    return this._nativeImpl.featurePointCloud
                },
                enumerable: !1,
                configurable: !0
            }),
            e
        }();
        ou("NativeXRFrame", VE);
        var kE = void 0 !== e.g ? e.g : "undefined" != typeof window ? window : void 0;
        if (void 0 !== kE) {
            kE.BABYLON = kE.BABYLON || {};
            var GE = kE.BABYLON;
            GE.Debug = GE.Debug || {};
            var zE = [];
            for (var WE in i)
                GE.Debug[WE] = i[WE],
                zE.push(WE);
            for (var WE in n)
                GE[WE] = n[WE]
        }
        var HE = {
            AxesViewer: xl,
            BoneAxesViewer: Rl,
            PhysicsViewer: Wl,
            SkeletonViewer: cc
        };
        const XE = r;
        return t.default
    }
    )()
}
));
//# sourceMappingURL=babylon.js.map
