protected IEnumerable <Tuple <int, int> > RowDirections(int rowDir)
{
for (int i = 1, nextRow = NextPosition(CurrentRow, i, rowDir); //var declarations
ChessBoard.IsLegalBoardPosition(nextRow, CurrentColumn) && !IsLocationBlocked(nextRow, CurrentColumn); //terminating conditions
i++, nextRow = NextPosition(CurrentRow, i, rowDir)) //iterators
{
var nextLocation = new Tuple <int, int>(nextRow, CurrentColumn);
yield return(nextLocation);
if (CaptureableLocation.Equals(nextLocation))
{
yield break;
}
}
}
private IEnumerable <Tuple <int, int> > ColumnDirections(int colDir)
{
for (int i = 1, nextCol = NextPosition(CurrentColumn, i, colDir); //var declarations
ChessBoard.IsLegalBoardPosition(CurrentRow, nextCol) && !IsLocationBlocked(CurrentRow, nextCol); //terminating conditions
i++, nextCol = NextPosition(CurrentColumn, i, colDir)) //iterators
{
var nextLocation = new Tuple <int, int>(CurrentRow, nextCol);
yield return(nextLocation);
if (CaptureableLocation.Equals(nextLocation))
{
yield break;
}
}
}