internal static IEnumerable <SquareCoordinate> GetAllInBetweenSquares(this SquareCoordinate startingCoordinate, SquareCoordinate endingCoordinate)
{
var ret = new List <SquareCoordinate>();
if (startingCoordinate.IsOnDiagonal(endingCoordinate))
{
Extensions.AddRange(ret, GetDiagonalInBetweenPositions(startingCoordinate, endingCoordinate));
}
if (startingCoordinate.IsOnRankOrFile(endingCoordinate))
{
Extensions.AddRange(ret, GetStraightInBetweenPosition(startingCoordinate, endingCoordinate));
}
return(ret);
}
internal static bool IsOnRankFileOrDiagonal(this SquareCoordinate startingCoordinate, SquareCoordinate endingCoordinate)
{
return(startingCoordinate.IsOnRankOrFile(endingCoordinate) ||
startingCoordinate.IsOnDiagonal(endingCoordinate));
}