public static Entity createMap() {
    Entity map = GameManager.getGame().engine.createEntity();
    MapComponent mapComponent = GameManager.getGame().engine.createComponent(MapComponent.class);
    mapComponent.init(256, 256);
    mapComponent.rectangle.x = -128;
    mapComponent.rectangle.y = -128;
    map.add(mapComponent);
    GameManager.getGame().engine.addEntity(map);

    return map;
  }