@Override
	public void keyReleased(final KeyEvent ke) {
		switch (ke.getKeyCode()) {
		case KeyEvent.VK_UP:
			isUP = false;
			break;
		case KeyEvent.VK_DOWN:
			isDOWN = false;
			break;
		case KeyEvent.VK_LEFT:
			isLEFT = false;
			break;
		case KeyEvent.VK_RIGHT:
			isRIGHT = false;
			break;
		case KeyEvent.VK_CONTROL:
			isCTRL = false;
			break;
		case KeyEvent.VK_SPACE:
			space = 0;
			break;
		case KeyEvent.VK_S:
			SoundEffect.muteSound();
			break;
		case KeyEvent.VK_M:
			SoundEffect.muteMusic();
			break;

		}
	}