/// <summary>
/// Get block at (x, y) coord.
/// </summary>
public Option <Wall> GetBlock(int x, int y)
{
return(aMap.GetBlock(x, y));
}
/// <summary>
/// Get block at (x, y) coord.
/// </summary>
public Option <Wall> GetBlock(int x, int y)
{
return(aMap.GetBlock(x, y));
}