public void update(){
		up =keys[KeyEvent.VK_UP]||  keys[KeyEvent.VK_W];
		down =keys[KeyEvent.VK_DOWN]||  keys[KeyEvent.VK_S];
		left =keys[KeyEvent.VK_LEFT]||  keys[KeyEvent.VK_A];
		right =keys[KeyEvent.VK_RIGHT]||  keys[KeyEvent.VK_D];
		
	}