新增场景释放机制和Dispose方法

src/common/MaterialEditor.ts

@@ -29,8 +29,6 @@ async function textureRenderUpdate(textureRecord:TextureTableRecord){
  */
 export class MaterialEditor extends Singleton
 {
-    private _pointerLocked = false;
-
     Geometrys: Map<string, Geometry | BufferGeometry>;
 
     CurGeometryName = "球";
@@ -38,6 +36,7 @@ export class MaterialEditor extends Singleton
     ShowObject: Object3D;
     ShowMesh: Mesh;
     Viewer: Viewer;
+    CameraControl?: MaterialEditorCameraControl;
 
     private _MeshMaterial: MeshPhysicalMaterial = new MeshPhysicalMaterial({});
     //构造
@@ -72,7 +71,7 @@ export class MaterialEditor extends Singleton
             // this.Viewer.PreViewer.Cursor.CursorObject.visible = false;
             // this.Viewer.UsePass = false;
             this.initScene();
-            new MaterialEditorCameraControl(this.Viewer, this.ShowObject.position);
+            this.CameraControl = new MaterialEditorCameraControl(this.Viewer, this.ShowObject.position);
             this.Viewer.ZoomAll();
 
             // 初始化相机位置到观察物体的正后方
@@ -82,6 +81,9 @@ export class MaterialEditor extends Singleton
             this.Viewer.UpdateRender();
             this.Viewer.Fov = 90;
         }
+        else {
+            console.warn("Viewer has already been initialized");
+        }
     }
     SetViewer(canvas: HTMLElement)
     {
@@ -186,8 +188,24 @@ export class MaterialEditor extends Singleton
         this.Update();
     }
 
-    dispose()
+    Dispose()
     {
+        this.Geometrys.clear();
+        this.Geometrys = undefined;
+        this.Canvas = undefined;
+        // object在Viewer中进行释放
+        this.ShowObject = undefined;
+        this.ShowMesh = undefined;
+
+        this.CameraControl?.dispose();
+        this.Viewer?.Dispose();
+        this.CameraControl = undefined;
+        this.Viewer = undefined;
+        this.exrPromise = undefined;
+        this.exrTexture?.dispose();
+        this.exrTexture = undefined;
+        this.metaTexture?.dispose();
+        this.metaTexture = undefined;
     }
 
     async Update()