private static Square[] GetSquaresArray(int rank, byte b)
{
var squares = new List <Square>();
for (int i = 0; i < 8; ++i)
{
// 00010000
int bit = 1 << i;
// 11101111
bit = ~bit;
// if bit is set
if ((b & bit) != b)
{
squares.Add(BitBoardHelper.GetSquare(rank, i));
}
}
return(squares.ToArray());
}