1

src/custom/utils/SplitScreen.js

@@ -70,16 +70,19 @@ class SplitScreen extends THREE.EventDispatcher{
         viewer.updateScreenSize({forceUpdateSize:true})        
     }
     
+    
     viewportFitBound(viewport,  bound,  center, duration=0, margin){
         let view = viewport.view
         let info = {bound} 
-        let {boundSize, boundCenter} = this.getViewBound(viewport)
+                                                                  
+         
+        let {boundSize, boundCenter} = this.getViewBound(viewport, bound )
         
-        this.setShiftTarget(viewport, boundCenter)
-        /* 
+        //this.setShiftTarget(viewport, boundCenter)
+     
         viewport.targetPlane.setFromNormalAndCoplanarPoint( view.direction.clone(), boundCenter )  
         viewport.targetPlane.projectPoint(center, viewport.shiftTarget)  //target转换到过模型中心的平面，以保证镜头一定在模型外 this.shiftTarget是得到的
-         */
+         
         info.endPosition = this.getPosOutOfModel(viewport, boundSize) 
         
         //if(viewport.name == 'mapViewport')info.endPosition.z = Math.max(Potree.config.map.cameraHeight, info.endPosition.z) 
@@ -89,10 +92,17 @@ class SplitScreen extends THREE.EventDispatcher{
     } 
     
     
-    getViewBound(viewport){
-        let {boundSize, center} = viewer.bound
+    getViewBound(viewport, boundingBox){
+        if(boundingBox){
+            boundSize = boundingBox.getSize(new THREE.Vector3)
+            center = boundingBox.getCenter(new THREE.Vector3)
+        }else{
+            var {boundSize, center, boundingBox} = viewer.bound
+        }
+        
+        
         if(viewport.viewContainsPoints){//视野范围内必须要包含的点，直接算入模型区域。这时候得到的boundCenter和模型中心不重合
-            let boundingBox = viewer.bound.boundingBox.clone()
+            boundingBox = boundingBox.clone()
             viewport.viewContainsPoints.forEach(point=>{
                 boundingBox.expandByPoint(point)
             })