public void keyPressed(KeyEvent e) {
		int key = e.getKeyCode();
		switch(key) {
		case KeyEvent.VK_F2 :
			if(!this.live) {
				this.live = true;
				this.life = 100;
			}
			break;
		case KeyEvent.VK_LEFT :
			bL = true;
			break;
		case KeyEvent.VK_UP :
			bU = true;
			break;
		case KeyEvent.VK_RIGHT :
			bR = true;
			break;
		case KeyEvent.VK_DOWN :
			bD = true;
			break;
		}
		locateDirection();
	}