public void first() {
		if (first) {
			if (y / 64 + 1 <= 127 && world.tiles[x / 64][y / 64 + 1] instanceof Tree)
				down = true;
			if (y / 64 - 1 >= 1 && world.tiles[x / 64][y / 64 - 1] instanceof Tree)
				up = true;
			if (x / 64 + 1 <= 127 && world.tiles[x / 64 + 1][y / 64] instanceof Tree)
				right = true;
			if (x / 64 - 1 >= 1 && world.tiles[x / 64 - 1][y / 64] instanceof Tree)
				left = true;
			first = false;
		}
		
	}