public Dimension(int id){
        this.id = id;
      attachChild(SkyFactory.createSky(
            ContentManager.getInstance().getAssetManager(), "Textures/enviroment/BrightSky.dds", false));        addLight(new Sun());
         AmbientLight al = new AmbientLight();
         al.setColor(ColorRGBA.White.mult(0.6f));
         addLight(al);
    }