private void initEvents() {
		if (Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
			Display.destroy();
			System.exit(0);
		}
		if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
			model.move(UserKeys.RIGHT);
		}
		if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
			model.move(UserKeys.LEFT);
		}
		if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
			model.move(UserKeys.UP);
		}
		if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
			model.move(UserKeys.DOWN);
		}
		if (Keyboard.isKeyDown(Keyboard.KEY_SPACE)) {
			switch (state) {
			case PLAY: state = GameState.STOP; break;
			case STOP: state = GameState.PLAY; break;
			case LOSE: this.initModel(); break;
			}
		}
	}