public void update() {
		move();	
		if(walking) animSprite.update();
		else animSprite.setFrame(0);
		if (ya < 0){
			animSprite = up;
			dir = Direction.UP;
		} else if (ya > 0){
			animSprite = down;
			dir = Direction.DOWN;
		}
		if (xa < 0){
			animSprite = left;
			dir = Direction.LEFT;
		} else if (xa > 0){
			animSprite = right;
			dir = Direction.RIGHT;
		}
	}