private void UpdateWallsAround(WallPoint wp)
{
for (int x = wp.X - 1; x <= wp.X + 1; x++)
{
for (int y = wp.Y - 1; y <= wp.Y + 1; y++)
{
WallController w = GetWall(new WallPoint(x, y));
if (w != null)
{
w.UpdateWall();
}
}
}
}
