fix: 1

public/package/js/objViewer.js

@@ -80,8 +80,9 @@ Viewer.prototype.setRenderer = function () {
 Viewer.prototype.update = function (deltaTime) {//绘制的时候同时更新 
     //if(!this.active)return;
     this.setSize()
-    this.control.update(deltaTime)
     transitions.update(deltaTime)
+    this.control.update(deltaTime)//写在transitions后面否则镜头抖动
+    
     var needsUpdate = 1;
 
     if (needsUpdate) {