Viewer 支持切换渲染场景

src/GraphicsSystem/Viewer.ts

@@ -100,6 +100,14 @@ export class Viewer
     {
         return this._Scene;
     }
+
+    set Scene(s: Scene)
+    {
+        this._Scene = s;
+        this.RenderPass.scene = s;
+        this.OutlinePass.renderScene = s;
+    }
+
     get Camera()
     {
         return this.CameraCtrl.Camera;