public void keyReleased(KeyEvent e) {
		int key = e.getKeyCode();
		switch (key) {
		case KeyEvent.VK_SPACE:
			fire();
			break;
		case KeyEvent.VK_LEFT:
			bL = false;
			break;
		case KeyEvent.VK_UP:
			bU = false;
			break;
		case KeyEvent.VK_RIGHT:
			bR = false;
			break;
		case KeyEvent.VK_DOWN:
			bD = false;
			break;
		}
		locateDirection();
	}