public static bool IsThereAWallAt(int x, int y, Wall[] walls = null)
{
if (walls == null)
{
// this is dangerous...
walls = GameObject.FindObjectsOfType<Wall>();
}
var match = walls.FirstOrDefault(w => Mathf.RoundToInt(w.transform.position.x) == x && Mathf.RoundToInt(w.transform.position.y) == y);
return match != null;
}
