卸载问题

src/core/engine/SceneHelp.ts

@@ -89,7 +89,6 @@ export default class SceneHelp {
   }
 
   add(...object: THREE.Object3D[]) {
-    console.log('添加对象到场景', object.length, '个')
     this.scene.add(...object)
   }
 

src/core/engine/Viewport.ts

@@ -156,8 +156,6 @@ export default class Viewport {
     viewerDom.parentElement.parentElement.appendChild(statsControls.dom)
     $(statsControls.dom).children().css('height', '28px')
 
-    this.animate()
-
     // 监听事件
     this.watchList.push(watch(() => this.state.camera.position.y, (newVal) => {
       if (!this.state.isReady) {
@@ -186,6 +184,8 @@ export default class Viewport {
       itemType.clazz.afterAddViewport(this)
     })
 
+    this.animate()
+
     try {
       if (worldModel.state.isDraft) {
         await this.stateManager.loadFromLocalstore()

src/editor/Model2DEditor.vue

@@ -112,10 +112,12 @@ export default defineComponent({
       if (this.viewport) {
         this.viewport.destroy()
         this.viewport = null
+        delete window['viewport']
       }
       if (this.scene) {
         this.scene.destory()
         this.scene = null
+        delete window['scene']
       }
       this.isReady = false
     },