fix: 0

src/viewer/ExtendView.js

@@ -101,9 +101,8 @@ class ExtendView extends View {
         
         
 		this.position = this.position.add(t);
-        
-        
-        Potree.settings.displayMode != 'showPanos' && this.cancelFlying('pos')
+         
+        x != 0 && y != 0 && z != 0 &&  /* t.lengthSq()!=0  && */Potree.settings.displayMode != 'showPanos' && this.cancelFlying('pos')
         
         this.restrictPos()
 	}
@@ -111,7 +110,7 @@ class ExtendView extends View {
 	translateWorld (x, y, z) { 
 		super.translateWorld(x, y, z)
         
-        Potree.settings.displayMode != 'showPanos' && this.cancelFlying('pos')
+        x != 0 && y != 0 && z != 0 && Potree.settings.displayMode != 'showPanos' && this.cancelFlying('pos')
         this.restrictPos()
 	}
 
@@ -176,25 +175,30 @@ class ExtendView extends View {
     setView( info = {}){
         // position, target, duration = 0, callback = null, onUpdate = null, Easing='', cancelFun
         this.cancelFlying()
-         
-        let done = ()=>{ 
+        let finished
+        let posDone = ()=>{
+            done()
+        }
+        let rotDone = ()=>{
             if(endTarget){
                 this.lookAt(endTarget); //compute radius for orbitcontrol
             }else if(endQuaternion){
                 this.rotation = new THREE.Euler().setFromQuaternion(endQuaternion)
             }
-             
+            done()
+        }
+        let done = ()=>{ 
+            if(finished)return
             let f = ()=>{
                 info.callback && info.callback()     
-                this.dispatchEvent('flyingDone')    
+                this.dispatchEvent('flyingDone')  
             }
             if(info.duration){
                 setTimeout(f,1)//延迟是为了使isFlying先为false
             }else{
                 f()  //有的需要迅速执行回调
             }
-            
-            
+            finished = true
         }
         
         let endPosition = new THREE.Vector3().copy(info.position)
@@ -222,16 +226,16 @@ class ExtendView extends View {
             this.restrictPos()
 			
             info.onUpdate && info.onUpdate(1)
-            done()
-            
+            posDone()
+            rotDone()
 		}else{
-             
-            if(!this.position.equals(endPosition)){
+            let posChange = !this.position.equals(endPosition)
+            if(posChange){
                 transitions.start(lerp.vector(this.position, endPosition, (pos, progress)=>{
                     
-                    info.onUpdate && info.onUpdate(t) 
+                    info.onUpdate && info.onUpdate(progress) 
                     
-                }), info.duration, done, 0, info.Easing ? easing[info.Easing] : easing.easeInOutSine /*easeInOutQuad */,null, this.FlyTransition, info.cancelFun); 
+                }), info.duration, posDone/* done */, 0, info.Easing ? easing[info.Easing] : easing.easeInOutSine /*easeInOutQuad */,null, this.FlyTransition, info.cancelFun); 
                  
             } 
             
@@ -242,9 +246,9 @@ class ExtendView extends View {
                 lerp.quaternion(quaternion, endQuaternion)(progress),
                 this.rotation = new THREE.Euler().setFromQuaternion(quaternion)
                 
-                posChange || info.onUpdate && info.onUpdate(t) 
+                posChange || info.onUpdate && info.onUpdate(progress) 
                 
-            }, info.duration, posChange?done:null, 0, info.Easing ? easing[info.Easing] : easing.easeInOutSine ,null, this.LookTransition, info.cancelFun); 
+            }, info.duration, rotDone/* posChange?done:null */, 0, info.Easing ? easing[info.Easing] : easing.easeInOutSine ,null, this.LookTransition, info.cancelFun);