text: import DisplayObject from "./DisplayObject";
  import { loadQueue } from "../utils/Util";
  
  export default class Bitmap extends DisplayObject{
      constructor(url = null){
          super();
          this.type = 'bitmap';
          let item = loadQueue.get(url);
          this.width = item.content.width;
          this.height = item.content.height;
          this.loaded = item.loaded;
          this.texture = item.content;
      }
  }