新增renderableComponent 用于控制可渲染组件的基类 不要在transform当中直接更改目标属性

source/src/ECS/Components/SpriteRenderer.ts

@@ -0,0 +1,24 @@
+class SpriteRenderer extends RenderableComponent {
+    private _sprite: egret.DisplayObject;
+    private _origin: Vector2;
+
+    public get sprite(){
+        return this._sprite;
+    }
+
+    public set sprite(value: egret.DisplayObject){
+        this.setSprite(value);
+    }
+
+    public setSprite(sprite: egret.DisplayObject): SpriteRenderer{
+        this._sprite = sprite;
+        if (this._sprite)
+            this._origin = new Vector2(this._sprite.anchorOffsetX, this._sprite.anchorOffsetY);
+
+        return this;
+    }
+
+    public initialize() {
+
+    }
+}