@Override
	public void keyReleased(KeyEvent ke) {
		if(ke.getKeyCode() == KeyEvent.VK_LEFT){
			left = false;
		} else if(ke.getKeyCode() == KeyEvent.VK_RIGHT){
			right = false;
		}
		if(ke.getKeyCode() == KeyEvent.VK_UP){
			up = false;
		} else if(ke.getKeyCode() == KeyEvent.VK_DOWN){
			down = false;
		}
	}