新增事件发送接收器

demo/src/game/CoreEmitterType.ts

@@ -0,0 +1,3 @@
+enum CoreEmitterType {
+    Update,
+}

demo/src/game/VerletDemo.ts

@@ -1,29 +0,0 @@
-class VerletDemo extends RenderableComponent {
-    private _world: VerletWorld;
-    private _stage: egret.Stage;
-
-    protected getWidth(){
-        return this.entity.scene.stage.stageWidth;
-    }
-
-    protected getHeight(){
-        return this.entity.scene.stage.stageHeight;
-    }
-
-    public onAddedToEntity(){
-        this._stage = this.entity.scene.stage;
-        this._world = new VerletWorld(new Rectangle(0, 0, this.width, this.height));
-
-        this._world.addComposite(new Box(new Vector2(100, 100), 50, 20));
-        this._world.addComposite(new Box(new Vector2(10, 10), 200, 100));
-    }
-
-    public update(){
-        this._world.update();
-        this._world.debugRender(this._stage);
-    }
-
-    initialize() {
-    }
-
-}