void deleteAllMatches()
{
    vector<gridCoordinate> crystalCoordinatesToClear;

    for (int row = 0; row < gridSize; row++)
    {

        for (int column = 0; column < gridSize; column++)
        {

            bool excludeHorizontalCheck = false, excludeVerticalCheck = false;

            if (row == 0 || row == (gridSize - 1)) // If it is the top or bottom row do not check above or bellow.
                excludeVerticalCheck = true;

            if (column == 0 || column == (gridSize - 1)) // If it is the left or right edge do not check horizontally for matches.
                excludeHorizontalCheck = true;


            if (excludeVerticalCheck == false)
            {

                if (grid[row][column] == grid[row - 1][column] && grid[row][column] == grid[row + 1][column]) // If above and bellow crystal have same value as crystal consider this a match.
                {
                    gridCoordinate top,mid,bot;

                    top.row = row - 1;
                    top.column = column;


                    mid.row = row;
                    mid.column = column;


                    bot.row = row + 1;
                    bot.column = column;


                    crystalCoordinatesToClear.push_back(top);
                    crystalCoordinatesToClear.push_back(mid);
                    crystalCoordinatesToClear.push_back(bot);


                }

            }

            if (excludeHorizontalCheck == false)
            {

                if (grid[row][column] == grid[row][column - 1] && grid[row][column] == grid[row][column + 1]) // If left and right crystal have same value as crystal consider this a match.
                {

                    gridCoordinate left, mid, right;

                    left.row = row;
                    left.column = column - 1;


                    mid.row = row;
                    mid.column = column;


                    right.row = row;
                    right.column = column + 1;


                    crystalCoordinatesToClear.push_back(left);
                    crystalCoordinatesToClear.push_back(mid);
                    crystalCoordinatesToClear.push_back(right);

                }

            }

        }

    }


}