修复verlet报错

source/src/Graphics/Renderers/DefaultRenderer.ts

@@ -4,7 +4,7 @@ module es {
         constructor(renderOrder: number = 0, camera: ICamera = null) {
             super(renderOrder, camera);
         }
-    
+
         public render(scene: Scene): void {
             if (!this.renderDirty)
                 return;
@@ -12,17 +12,17 @@ module es {
             this.renderDirty = false;
             let cam = this.camera ? this.camera : scene.camera;
             this.beginRender(cam);
-    
+
             for (let i = 0; i < scene.renderableComponents.count; i ++) {
                 let renderable = scene.renderableComponents.get(i);
                 if (renderable.enabled && renderable.isVisibleFromCamera(scene.camera))
                     this.renderAfterStateCheck(renderable, cam);
             }
-    
+
             if (this.shouldDebugRender && es.Core.debugRenderEndabled) {
                 this.debugRender(scene);
             }
-    
+
             this.endRender();
         }
     }