@Override
	public void onEnter(int x, int y, Tile tile) {
		if (x < 1 || y < 1) {
			return;
		}
		if (tile.isGround()) {
			creature.x = x;
			creature.y = y;
		} else if (tile.isDiggable()) {
			creature.dig(x, y);
		}
	}