private IEnumerable <Cell> GetMatchesHorizontally(Cell cell)
{
List <Cell> matches = new List <Cell>();
matches.Add(cell);
//Left items
if (cell.Column != 0)
{
for (int column = cell.Column - 1; column >= 0; column--)
{
Cell left = cells[cell.Row, column];
if (left.IsMatched(cell))
{
matches.Add(left);
}
else
{
break;
}
}
}
//Right items
if (cell.Column != columns - 1)
{
for (int column = cell.Column + 1; column < columns; column++)
{
Cell right = cells[cell.Row, column];
if (right.IsMatched(cell))
{
matches.Add(right);
}
else
{
break;
}
}
}
//Check for minimum matches
if (matches.Count < minMatches)
{
matches.Clear();
}
return(matches.Distinct());
}
private IEnumerable <Cell> GetMatchesVertically(Cell cell)
{
List <Cell> matches = new List <Cell>();
matches.Add(cell);
//Bottom items
if (cell.Row != 0)
{
for (int row = cell.Row - 1; row >= 0; row--)
{
Cell bottom = cells[row, cell.Column];
if (bottom.IsMatched(cell))
{
matches.Add(bottom);
}
else
{
break;
}
}
}
//Top items
if (cell.Row != rows - 1)
{
for (int row = cell.Row + 1; row < rows; row++)
{
Cell top = cells[row, cell.Column];
if (top.IsMatched(cell))
{
matches.Add(top);
}
else
{
break;
}
}
}
//Check for minimum matches
if (matches.Count < minMatches)
{
matches.Clear();
}
return(matches.Distinct());
}