fix: 1

public/static/lib/potree/potree.js

@@ -53390,35 +53390,34 @@
 	    
 	    ,
 	     
-	    CloneObject : function(copyObj, result, isSimpleCopy, simpleCopyList=[]) {
+	    CloneObject : function (copyObj, isSimpleCopy, simpleCopyList = [], judgeSimpleCopyFun) {
 	        //isSimpleCopy 只复制最外层
-	        //复制json		result的可能：普通数字或字符串、普通数组、复杂对象
-	         
-	        simpleCopyList.push(Object3D); //遇到simpleCopyList中的类直接使用不拷贝
+	        //复制json		result的可能：普通数字或字符串、普通数组、复杂对象 
+	        judgeSimpleCopyFun || (judgeSimpleCopyFun=()=>{});
 	        
-	        if(!copyObj || typeof copyObj == 'number' || typeof copyObj == 'string' || copyObj instanceof Function || simpleCopyList.some(className => copyObj instanceof className)){
-	            return copyObj 
+	        if (!copyObj || typeof copyObj == 'number' || typeof copyObj == 'string' ||copyObj.isObject3D || copyObj instanceof Function || simpleCopyList.some(className => copyObj instanceof className) || judgeSimpleCopyFun(copyObj)) {
+	            return copyObj
 	        }
-	        
-	        result = result || {};
+
 	        if (copyObj instanceof Array) {
-	            return copyObj.map(e=>{ 
-	                return this.CloneObject(e) 
-	            }) 
-	        }else {
-	            if(copyObj.clone instanceof Function ){ //解决一部分
+	            return copyObj.map(e => {
+	                return this.CloneObject(e, isSimpleCopy, simpleCopyList, judgeSimpleCopyFun)
+	            })
+	        } else {
+	            if (copyObj.clone instanceof Function) {
+	                //解决一部分
 	                return copyObj.clone()
 	            }
 	        }
+
+	        let result = {};
 	        for (var key in copyObj) {
-	            if (copyObj[key] instanceof Object && !isSimpleCopy)
-	                result[key] = this.CloneObject(copyObj[key]);
-	            else
-	                result[key] = copyObj[key];
+	            if (copyObj[key] instanceof Object && !isSimpleCopy ) result[key] = this.CloneObject(copyObj[key], isSimpleCopy, simpleCopyList, judgeSimpleCopyFun);
+	            else result[key] = copyObj[key];
 	            //如果是函数类同基本数据，即复制引用
 	        }
-	        return result;
-	    }
+	        return result
+	    }  
 	    ,
 	    CloneClassObject :function(copyObj, {ignoreList=[],simpleCopyList=[]}={}){//复杂类对象
 	        var newobj = new copyObj.constructor();
@@ -53438,7 +53437,7 @@
 	            }else if(simpleCopyList.includes(i)){
 	                targetObj[i] = copyObj[i];
 	            }else {
-	                targetObj[i] = this.CloneObject(copyObj[i], null, false, simpleCopyList );  
+	                targetObj[i] = this.CloneObject(copyObj[i], false, simpleCopyList );  
 	            }
 	                
 	            
@@ -53497,12 +53496,6 @@
 	        
 	    } 
 	    ,
-	    replaceAll : function (str, f, e) {
-	        //f全部替换成e
-	        var reg = new RegExp(f, "g"); //创建正则RegExp对象  
-	        return str.replace(reg, e);
-	    } 
-	    , 
 	    downloadFile : function(data, filename, cb) {
 	        var save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
 	        save_link.href = data;
@@ -53512,15 +53505,59 @@
 	        save_link.dispatchEvent(event);
 	        cb && cb();
 	    }, 
+	     
+	    replaceAll : function (str, f, e ) {
+	        //f全部替换成e
+	       
+	        if(str.replaceAll ) return str.replaceAll(f, e)
+	        else { 
+	            let escapeRegExp = (string)=>{
+	                return string.replace(/[.*+\-?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
+	            };
+	             
+	            return str.replace(new RegExp(escapeRegExp(f), 'g'), e);
+	     
+	            /* var reg = new RegExp(f, "g"); //创建正则RegExp对象    这个没法转换'('
+	            return str.replace(reg, e);        //str.split(f).join(e); */
+	        }
+	    }, 
 	      
-	    dealURL(url){
-	        return this.replaceAll(url, "\\+", "%2B");// 浏览器似乎不支持访问带+的地址
+	    
+	    cleanUrl(url){//斜杠处理   协议aaa://保留双斜杠,其余单斜杠
+	        //分离协议和路径部分
+	        const protocolMatch = url.match(/^(\w+:)\/{2,}/);
+
+	        if (protocolMatch) {
+	            const protocol = protocolMatch[1];
+	            const path = url.slice(protocolMatch[0].length);
+	            return protocol + '//' + path.replace(/\/+/g, '/');
+	        } else {
+	            return url.replace(/\/+/g, '/');
+	        }
+	    },
+	    
+	    joinUrl(){//拼接地址。总是出现前后多个/造成双斜杠或者缺斜杠的问题，处理一下
+	        return this.cleanUrl(Array.from(arguments).join('/'))
+	    },
+	    
+	    dealURL(url=''){ 
+	        let urlNew = this.replaceAll(url, "+", "%2B"); //this.replaceAll(url, "\\+", "%2B");// 浏览器似乎不支持访问带+的地址
+	    
+	        urlNew = this.replaceAll(urlNew, "/.//", "/"); //去除双斜杠（/.//）
+	         
+	          
+	        //urlNew = encodeURIComponent(url)
+	         
+	        return urlNew
 	    },
 	    
 	    
-	    getNameFromURL(url){
+	    getNameFromURL(url, removePostfix){
+	        if(!url)return ''
 	        let get = (e)=>{
-	            return e.split('/').pop()
+	            let a = e.split('/').pop();
+	            if(removePostfix) a = a.split('.')[0];
+	            return a
 	        };
 	        if(url instanceof Array){
 	            return url.map(e=>get(e))
@@ -53538,35 +53575,31 @@
 	    
 	    intervalTool:{  //延时update，防止卡顿
 	        list:[],
-	         
-	        /* isWaiting:function(name, func, delayTime ){   
-	            let item = this.list.find(e=>e.name == name)
-	            if(!item){  //如果没有该项， 则加入循环
-	                let ifContinue = func() 
-	                item = {name} 
-	                this.list.push(item);
-	                    setTimeout(()=>{ 
-	                        var a = this.list.indexOf(item);
+	        
+	        /* isWaiting:function(name, func, delayTime){
+	            if(!this.list.includes(name)){  //如果没有该项， 则开始判断
+	                var needWait = func(); //触发了改变，则等待一段时间后再自动判断
+	                if(needWait){
+	                    this.list.push(name);
+	                    setTimeout(()=>{
+	                        var a = this.list.indexOf(name);
 	                        this.list.splice(a,1);
-	                        if(item.requestUpdate || ifContinue )  this.isWaiting(name, func, delayTime) //循环
+	                        this.isWaiting(name, func, delayTime) //循环
 	                    },delayTime)
-	                 
-	            }else{//如果有该项，说明现在请求下一次继续更新
-	                //if(delayTime == 0){//想立刻更新一次
-	                //    func()
-	                //}else{  
-	                    item.requestUpdate = true
-	                //}
-	                
+	                } 
 	            }
 	        }, */
 	        
 	        
+	        
 	        isWaiting:function(name, func, delayTime/* , autoCycle */){   
 	            let item = this.list.find(e=>e.name == name);
 	            if(!item){  //如果没有该项， 则加入循环
 	                let ifContinue = func(); 
 	                item = {name, func, delayTime}; 
+	                /* if(name == 'processPriorityQueue'){
+	                    console.log('isWaiting', delayTime)
+	                } */
 	                this.list.push(item);
 	                    setTimeout(()=>{ 
 	                        var a = this.list.indexOf(item);
@@ -53582,24 +53615,64 @@
 	                    //更新属性  
 	                    item.func = func;
 	                    item.delayTime = delayTime;
-	                    item.requestUpdate = true;
-	                     
-	                     
-	                //}
-	                
+	                    item.requestUpdate = true; 
+	                //} 
+	            }
+	        },
+	    }
+	    ,
+	    
+	    
+	    
+	    waitTool:{//定时器，在等待的这段时间内如果又触发则重新计时
+	        list:[],
+	        
+	        wait(name, func, time){
+	            let item = this.list.find(e=>e.name == name); 
+	            
+	            let timer = setTimeout(()=>{
+	                func();
+	                let index = this.list.indexOf(item);
+	                this.list.splice(index, 1);
+	            }, time);
+	            if(item){
+	                clearTimeout(item.timer); 
+	            }else {
+	                item = {name};
+	                this.list.push(item);
 	            }
+	            item.timer = timer;
 	        },
 	        
+	        cancel(name){
+	            let index = this.list.findIndex(e=>e.name == name); 
+	            index>-1 && this.list.splice(index, 1);
+	        }
+	        
 	    }
+	    
+	    
+	    
+	    
+	    
+	    
 	    ,
-	    pushToGroupAuto : function(items, groups, recognizeFunction){//自动分组。 items是将分到一起的组合。items.length = 1 or 2. 
+	    pushToGroupAuto : function(items, groups, recognizeFunction, recognizeGroup){//自动分组。 items是将分到一起的组合。items.length = 1 or 2. 
 	    
 	        recognizeFunction = recognizeFunction || function(){};
 	    
-	        var atGroups = groups.filter(group=>group.find(
-	            item => items[0] == item || recognizeFunction(item, items[0]) || items[1] == item || items[1] && recognizeFunction(item, items[1])
 	        
-	        )); 
+	        if(recognizeGroup){ //有更复杂的识别处理，直接传递整个组
+	            var atGroups = groups.filter(group=>recognizeGroup(group, items));
+	                 
+	        }else {
+	            var atGroups = groups.filter(group=>group.find(
+	                item => items[0] == item || recognizeFunction(item, items[0]) || items[1] == item || items[1] && recognizeFunction(item, items[1])
+	            )); 
+	        
+	        }
+	        
+	        
 	        if(atGroups.length){//在不同组
 	            //因为items是一组的，所以先都放入组1
 	            items.forEach(item=> {if(!atGroups[0].includes(item)) atGroups[0].push(item);});
@@ -53619,30 +53692,58 @@
 	        }
 	    },
 	     
-	   
-	 
-	    getBestCount : function(name, minCount=1,maxCount=6, durBound1 = 1.2, durBound2 = 10, ifLog){
-	       
+	    
+	    getBestCount : (function(){
+	        let lastCount = {};
+	        return function(name, minCount=1,maxCount=6, durBound1 = 1.2, durBound2 = 10, ifLog, maxHistory){ 
+	            let timeStamp = performance.getEntriesByName("loop-start");
+	            let count;
+	            if(timeStamp.length){
+	                let dur = performance.now() - timeStamp[timeStamp.length-1].startTime;  //dur在iphoneX中静止有7，pc是2
+	               
+	                count = Math.round(math.linearClamp(dur, [durBound1,durBound2],   [maxCount,  minCount]));
+	                 
+	                if (maxHistory) {
+	                    if (!lastCount[name]) lastCount[name] = [];
+	                    if (count == 0 && lastCount[name].length > maxHistory - 1 && !lastCount[name].some(e => e > 0)) {
+	                        count = 1;
+	                    }
+	                    lastCount[name].push(count);
+	                    if (lastCount[name].length > maxHistory) lastCount[name].splice(0, 1);
+	                }  
+	                 
+	                 
+	                 
+	                if(ifLog){//注意，console.log本身用时挺高， 降4倍时可能占用0.5毫秒
+	                   name   && count  && console.log(name,   count , ' ,dur:', dur.toFixed(3));
+	                } 
+	            }else {
+	                count = maxCount;  //  ? 
+	            }   
+	            //主要在手机端有效果。 
+	            return count 
+	        }
+	    })(),
+	    
+	    getBestCountFPS(name, ifLog, minCount=1, maxCount=6, minFps = 10, maxFps = 60, minPanoCount = 200, maxPanoCount = 1000 ){
+	        
+	        let fps = Potree.fps;
+	        
+	        let count = math.linearClamp(fps, [minFps, maxFps],   [minCount,  maxCount]);
+	         
+	        let count2 =  math.linearClamp(viewer.images360.panos.length, [minPanoCount, maxPanoCount],   [minCount,  maxCount]);
+	        count = (count + count2)/2;
 	       
-	        let timeStamp = performance.getEntriesByName("loop-start");
-	        let count;
-	        if(timeStamp.length){
-	            let dur = performance.now() - timeStamp[timeStamp.length-1].startTime;  //dur在iphoneX中静止有7，pc是2
-	           
-	            count = Math.round(math.linearClamp(dur, durBound1,durBound2,   maxCount,  minCount));
-	             
-	            if(ifLog){//注意，console.log本身用时挺高， 降4倍时可能占用0.5毫秒
-	               name   && count  && console.log(name,   count , ' ,dur:', dur.toFixed(3));
-	            } 
-	        }else {
-	            count = maxCount;  //  ? 
-	        } 
+	        count = Math.round(count);
+	        
+	        
+	        if(ifLog){ 
+	           name && count && console.log(name, count , ' ,fps:', fps.toFixed(3));
+	        }
+	        
+	        return count
 	        
-	        //主要在手机端有效果。 
-	        return count 
 	    },
-	    
-	    
 	        
 	    batchHandling : {//分批处理
 	        
@@ -53708,6 +53809,20 @@
 	        
 	    }, 
 	        
+	    getRootWindow(){//获取包含Potree的根window
+	        let win = window;
+	        try{
+	            while(win.parent!=win && win.parent.Potree){
+	                win = win.parent;
+	            }
+	            if(window != win)return win 
+	        }catch(e){
+	            //console.log(e) //可能跨域，从而win.parent.Potree报错 
+	            console.log('getRootWindow 跨域');
+	            return  
+	        }
+	        
+	    },
 	    
 	    watch: function(object, propName, initialValue){ //监听某个属性的变化
 	        let v = initialValue;
@@ -53722,8 +53837,189 @@
 	        }); 
 	    },
 	      
+	    imgAddLabel : function (img, labelImg, labelInfo = {}) {
+	        //图上加另一张小图，用于添加水印
+	        let canvas;
+	        if(img instanceof Image){
+	            canvas = document.createElement('canvas');
+	        }else {
+	            canvas = img;
+	        }
+	          
+	        let context = canvas.getContext('2d');
+	        let marginLeft = labelInfo.bgMargin && labelInfo.bgMargin.left || 0; 
+	        let marginRight = labelInfo.bgMargin && labelInfo.bgMargin.right || 0; 
+	        let marginTop = labelInfo.bgMargin && labelInfo.bgMargin.top || 0; 
+	        let marginBottom = labelInfo.bgMargin && labelInfo.bgMargin.bottom || 0; 
+	        
+	        if(img instanceof Image){//如果img是canvas，说明已绘制在canvas上了就不用绘制了
+	            let width = img.width + marginLeft + marginRight;
+	            let height = img.height + marginTop + marginBottom;
+	            canvas.width = width;
+	            canvas.height = height; 
+	            if(labelInfo.bgColor){
+	                context.fillStyle = 'rgba(' + labelInfo.bgColor.r + ',' + labelInfo.bgColor.g + ',' + labelInfo.bgColor.b + ',' + labelInfo.bgColor.a + ')';
+	                context.fillRect(0,0,width,height); 
+	            }
+	            context.drawImage(img, marginLeft, marginTop, img.width, img.height);
+	        }
+	        let labelWidth = labelInfo.widthRatioToImg ? img.width * labelInfo.widthRatioToImg : labelImg.width; //widthRatioToImg：label的width占img的width的比例
+	        let labelHeight = (labelWidth * labelImg.height) / labelImg.width;
+
+	        if (labelInfo.leftRatioToImg == void 0 && labelInfo.rightRatioToImg != void 0) {
+	            labelInfo.leftRatioToImg = 1 - labelInfo.rightRatioToImg - (labelInfo.widthRatioToImg || labelImg.width / img.width);
+	        }
+	        if (labelInfo.topRatioToImg == void 0 && labelInfo.bottomRatioToImg != void 0) {
+	            labelInfo.topRatioToImg = 1 - labelInfo.bottomRatioToImg - labelHeight / img.height;
+	        }
+
+	        let labelLeft = img.width * labelInfo.leftRatioToImg + marginLeft; //leftRatioToImg：label的left占img的width的比例
+	        let labelTop = img.height * labelInfo.topRatioToImg + marginTop; //topRatioToImg：label的top占img的height的比例
+
+	        context.globalAlpha = labelInfo.opacity != void 0 ? labelInfo.opacity : 1;
+	        context.drawImage(labelImg, labelLeft, labelTop, labelWidth, labelHeight);
+	        
+	        if(labelInfo.outputCanvas){
+	            return canvas
+	        }
+
+	        var dataUrl = canvas.toDataURL('image/png', labelInfo.compressRatio);
+	        //Common.downloadFile(dataUrl, 'screenshot.png')
+	        context.clearRect(0,0,canvas.width,canvas.height);
+	        return dataUrl
+
+	 
+	    },
+	    
 	    
+	    mobileAutoPlay(media, playFun){//移动端。不这么写video不会播放 . （2022.11.29： 可为何加了Hot.updateHots之后又会自动播了？https有关？
+	        
+	        
+	        if(this.autoPlayList.includes(media))return
+	        this.autoPlayList.push(media);
+	        viewer.addEventListener;       
+	        let events = ['global_touchstart','global_mousedown'];    
+	        
+	        let fun = ()=>{
+	            let index = this.autoPlayList.indexOf(media);
+	            if(index>-1){
+	                
+	                console.log( 'try autoplay '+ media.src);
+	                playFun();
+	                this.autoPlayList.splice(index,1);
+	                events.forEach((eventName)=>{ 
+	                    viewer.removeEventListener(eventName,fun);
+	                });
+	            }
+	        };
 	    
+	        events.forEach((eventName)=>{ 
+	            viewer.addEventListener(eventName,fun);
+	        });
+	 
+	        
+	    },
+	    
+	    /* changeShaderToWebgl2(vs, fs, matType, otherReplaces=[]){//部分shader要根据webgl版本作更改
+	        if(!Potree.settings.isWebgl2)return {vs, fs}
+	        let turnTo300 = matType != 'ShaderMaterial' && (vs.includes('gl_FragDepthEXT') || fs.includes('gl_FragDepthEXT') ) 
+	        let addV300 = turnTo300 && matType != 'RawShaderMaterial' // RawShaderMaterial直接material.glslVersion = '300 es' 以加在define之前
+	        let change = (shader, shaderType)=>{ 
+	            let newShader = shader
+	            
+	            if(turnTo300){ //非shaderMaterial需要手动改为300 es的写法
+	                addV300 && (newShader = '#version 300 es \n' + newShader)   //需要加 #version 300 es。 three.js自带的渲染会自动加所以不用
+	                newShader = newShader.replaceAll('varying ', shaderType == 'vs' ? 'out ' : 'in ')
+	                newShader = newShader.replaceAll('attribute ', 'in ') 
+	                if(shaderType == 'fs'){
+	                    newShader = newShader.replaceAll('gl_FragColor', 'fragColor')
+	                    newShader = newShader.replace('void main', 'out vec4 fragColor;\n  void main' )//在void main前加入这个声明 
+	                }  
+	                newShader = newShader.replaceAll('gl_FragDepthEXT','gl_FragDepth')
+	            
+	                newShader = newShader.replaceAll('texture2D','texture')
+	                newShader = newShader.replaceAll('textureCube','texture')
+	            
+	            }
+	            
+	            newShader = newShader.replace('#extension GL_EXT_frag_depth : enable','') 
+	            newShader = newShader.replaceAll('defined(GL_EXT_frag_depth) &&','')
+	             
+	            
+	            otherReplaces.forEach(({oldStr,newStr})=>{
+	                newShader = newShader.replaceAll(oldStr,newStr)   
+	            })
+	                
+	            return newShader
+	        }
+	        
+	        vs = change(vs,'vs')
+	        fs = change(fs,'fs')
+	         
+	        //console.log('成功替换为webgl2' )
+	        return {vs,fs}
+	    }//three.js的shaderMaterial也有替换功能，搜 '#define gl_FragDepthEXT gl_FragDepth',
+	     */
+	    changeShaderToWebgl2(vs, fs, matType, otherReplaces=[]){//部分shader要根据webgl版本作更改
+	        if(!Potree.settings.isWebgl2)return {vs, fs}
+	        let turnTo300 = matType != 'ShaderMaterial' && (vs.includes('gl_FragDepthEXT') || fs.includes('gl_FragDepthEXT') ); 
+	        let addV300 = turnTo300 && matType != 'RawShaderMaterial'; // RawShaderMaterial直接material.glslVersion = '300 es' 以加在define之前
+	        let change = (shader, shaderType)=>{ 
+	            let newShader = shader;
+	            
+	            if(turnTo300){ //非shaderMaterial需要手动改为300 es的写法
+	                addV300 && (newShader = '#version 300 es \n' + newShader);   //需要加 #version 300 es。 three.js自带的渲染会自动加所以不用
+	                newShader = this.replaceAll(newShader, 'varying ', shaderType == 'vs' ? 'out ' : 'in ');
+	                newShader = this.replaceAll(newShader, 'attribute ', 'in '); 
+	                if(shaderType == 'fs'){
+	                    newShader = this.replaceAll(newShader, 'gl_FragColor', 'fragColor');
+	                    newShader = newShader.replace('void main', 'out vec4 fragColor;\n  void main' );//在void main前加入这个声明 
+	                }  
+	                newShader = this.replaceAll(newShader, 'gl_FragDepthEXT','gl_FragDepth');
+	            
+	                newShader = this.replaceAll(newShader, 'texture2D','texture');
+	                newShader = this.replaceAll(newShader, 'textureCube','texture');
+	            
+	            }
+	            
+	            newShader = newShader.replace('#extension GL_EXT_frag_depth : enable',''); 
+	            newShader = this.replaceAll(newShader,'defined(GL_EXT_frag_depth) &&','');
+	             
+	            
+	            otherReplaces.forEach(({oldStr,newStr})=>{
+	                newShader = this.replaceAll(newShader, oldStr, newStr);   
+	            });
+	                
+	            return newShader
+	        };
+	        
+	        vs = change(vs,'vs');
+	        fs = change(fs,'fs');
+	         
+	        //console.log('成功替换为webgl2' )
+	        return {vs,fs}
+	    },//three.js的shaderMaterial也有替换功能，搜 '#define gl_FragDepthEXT gl_FragDepth',
+	    
+	    
+	    
+	    //hsv感觉比hsl好一些，更能保持颜色本身不变。  色调（H），饱和度（S），明度（V/B）。
+
+	       
+	    getHSV(color, prop={}  ){
+	        let c = new Color();
+	        let hsv = c.set(color).getHSV();
+	        if(prop.add){
+	            for(let i in prop.add) hsv[i] += prop.add[i];
+	        }else {
+	            hsv = Object.assign(hsv, prop);
+	        }
+	        let {h, s, v} = hsv;
+	        return c.setHSV(h, s, v)  //setHSV(hsb.h, hsb.s, 100) 
+	    }
+	       
+	//let c = new THREE.Color().set(this.color).getHSL({ h: 0, s: 0, l: 0 })  
+
+
 	};  
 
 	Potree.Common = Common;
@@ -75718,8 +76014,7 @@ void main()
 	                Potree.loadPanos( (data) => { 
 	                    //console.log('loadPanos',dataset.sceneCode, dataset.id, data)
 	                    viewer.images360.addPanoData(data  ); 
-	                    viewer.images360.loadDone(); 
-	                    viewer.scene.add360Images(viewer.images360); 
+	                    viewer.images360.loadDone();  
 	                    done(); 
 	                }); 
 	            }
@@ -96600,7 +96895,7 @@ ENDSEC
 
 	    waitForLoad(){
 	        viewer.waitForLoad(this,  ()=>{//发送loading
-	            return this.depthTex && this.skyboxTex
+	            return (!this.pointcloud.hasDepthTex || this.depthTex) && this.skyboxTex
 	        });
 	    }
 
@@ -98775,7 +99070,8 @@ ENDSEC
 	        data.forEach((info)=>{  
 	            this.addPano(info); 
 	            
-	        });   
+	        }); 
+	        
 	    }
 	    
 	    
@@ -98796,7 +99092,7 @@ ENDSEC
 	            viewer.hasNoPanoDataset = true;
 	        }  
 	 
-
+	        viewer.scene.add360Images(this);         
 	        
 	    }
 	    
@@ -139143,10 +139439,8 @@ ENDSEC
 	    
 	    createHackMesh(){//为了防止无depthTex的全景在pick点云时画面中仅有一个材质时会黑屏，所以在镜头前再加一个mesh。具体bug表现见bug记录。 
 	        if(this.scene.pointclouds.every(e=>e.hasDepthTex) /* || viewer.images360.panos.length == 0 */)return 
-	        
-	        
-	        
-	        let mesh = new Mesh( new PlaneBufferGeometry(0.2,0.2) , new MeshBasicMaterial({color:"#F00",side:2/* ,depthTest:false */}));
+	         
+	        let mesh = window.hackmesh = new Mesh( new PlaneBufferGeometry(1,1) , new MeshBasicMaterial({color:"#F00",side:2  /* ,depthTest:false  */ }));
 	            Potree.Utils.updateVisible(mesh,'show',false);
 	            
 	        this.images360.node.add(mesh);
@@ -139156,6 +139450,7 @@ ENDSEC
 	            let dir = this.mainViewport.view.direction;
 	            let radius = this.images360.cube.scale.length();
 	            mesh.position.copy(this.mainViewport.view.position).add(dir.multiplyScalar(radius));//放置skybox之外
+	            mesh.quaternion.copy(this.mainViewport.camera.quaternion);
 	        };