避免缓存运行卡顿，设置重新渲染方法

src/common/threeModules/Viewer.js

@@ -48,13 +48,33 @@ export default class Viewer {
 
     const animate = () => {
       if(this.canRequestAnimationFrame){
-        requestAnimationFrame(animate)
+
+        this.#updateDom()
+        this.#renderDom()
+        this.animateEventList.forEach(
+          event => {
+            event.fun && event.content && event.fun(event.content)
+          })
+
+          requestAnimationFrame(animate)
+      }
+
+    }
+
+    animate()
+  }
+  reInit(){
+    const animate = () => {
+      if(this.canRequestAnimationFrame){
+
         this.#updateDom()
         this.#renderDom()
         this.animateEventList.forEach(
           event => {
             event.fun && event.content && event.fun(event.content)
           })
+
+          requestAnimationFrame(animate)
       }
 
     }
@@ -127,7 +147,14 @@ export default class Viewer {
       alpha: true, // true/false 表示是否可以设置背景色透明
       precision: "highp", // highp/mediump/lowp 表示着色精度选择
       premultipliedAlpha: true, // true/false 表示是否可以设置像素深度（用来度量图像的分辨率）
+      autoClear: true,
+      preserveDrawingBuffer: false,
+      antialias: true,
+      shadowMap :false,
+      physicalCorrectLights: false
+
     })
+
     this.renderer.clearDepth(); // 设置深度缓冲区
     this.renderer.shadowMap.enabled = true // 场景中的阴影自动更新
     this.viewerDom.appendChild(this.renderer.domElement) // 将渲染器添加到画布中