private final void init() {
		screen = new Screen(WIDTH, HEIGHT);
		input = new InputHandler(this);
		fg = new Foreground("/fg.png");
		bg = new Background(Sprite.background);
		level = new Level(fg, bg);
		world = new World(level);
		player = new Player(world, input, 96, 100);
		level.addEntity(player);

		this.requestFocus();
	}