判断接口更改、新增FrameUpdated核心事件

source/src/ECS/Components/IUpdatable.ts

@@ -17,5 +17,5 @@ module es {
         }
     }
 
-    export var isIUpdatable = (props: any): props is IUpdatable => typeof (props as IUpdatable)['js'] !== 'undefined';
+    export var isIUpdatable = (props: any): props is IUpdatable => typeof (props as IUpdatable)['update'] !== 'undefined';
 }

source/src/ECS/Core.ts

@@ -31,6 +31,7 @@ module es {
 
             Core._instance = this;
             Core.emitter = new Emitter<CoreEvents>();
+            Core.emitter.addObserver(CoreEvents.FrameUpdated, this.update, this);
 
             Core.registerGlobalManager(this._timerManager);
 

source/src/ECS/CoreEvents.ts

@@ -12,5 +12,9 @@ module es {
          * 当设备方向改变时触发
          */
         OrientationChanged,
+        /**
+         * 当每帧事件触发时
+         */
+        FrameUpdated,
     }
 }

source/src/ECS/Scene.ts

@@ -124,11 +124,6 @@ module es {
         }
 
         public render() {
-            if (this._renderers.length == 0) {
-                console.error("场景中没有渲染器!");
-                return;
-            }
-
             for (let i = 0; i < this._renderers.length; i++) {
                 this._renderers[i].render(this);
             }