感谢NEZ库提供的思路

source/src/Graphics/Renderers/DefaultRenderer.ts

@@ -6,6 +6,10 @@ module es {
         }
     
         public render(scene: Scene): void {
+            if (!this.renderDirty)
+                return;
+
+            this.renderDirty = false;
             let cam = this.camera ? this.camera : scene.camera;
             this.beginRender(cam);
     

source/src/Graphics/Renderers/Renderer.ts

@@ -3,10 +3,13 @@ module es {
         public camera: ICamera;
         public readonly renderOrder: number = 0;
         public shouldDebugRender: boolean = true;
+        protected renderDirty: boolean = true;
     
         constructor(renderOrder: number, camera: ICamera) {
             this.renderOrder = renderOrder;
             this.camera = camera;
+
+            Core.emitter.addObserver(CoreEvents.renderChanged, this.onRenderChanged, this);
         }
     
         public onAddedToScene(scene: es.Scene) { }
@@ -26,6 +29,10 @@ module es {
 
             Graphics.instance.batcher.end();
         }
+
+        protected onRenderChanged() {
+            this.renderDirty = true;
+        }
     
         public abstract render(scene: Scene): void;