/// <summary>
/// The equivalent of dropping one of the dots into the frame
/// </summary>
/// <param name="index">1-7, the horizontal left to right coordinate of the hole to "drop" it into.</param>
public void DropDot(int index)
{
if (index <= Columns && index >= 1)
{
Connect4Colour[] column = ConnectFourGrid[index - 1];
int columnCount = column.Count(x => x != null);
if (columnCount < Rows)
{
column[Utillity.Clamp(columnCount, 0, Rows)] = CurrPlayerColour;
//check if there are matches whenever a dot drops
LookForFourInARow(index - 1, columnCount);
if (!GameWon)
{
//swap colour
if (CurrPlayerColour == Connect4Colour.Red)
{
CurrPlayerColour = Connect4Colour.Yellow;
}
else
{
CurrPlayerColour = Connect4Colour.Red;
}
}
}
}
}
private void InitGrid()
{
for (int i = 0; i < Columns; i++)
{
ConnectFourGrid[i] = new Connect4Colour[Rows];
}
}
