private bool Goal(out int row, out int column)
{
GridTile targetTile = null;
row = column = -1;
for (int i = 0; i < _rows; i++)
{
for (int j = 0; j < _columns; j++)
{
GridTile currentTile = Grid.Tiles[i][j];
if (!_swept[i, j])
{
if (targetTile == null || currentTile.Distance(transform) < targetTile.Distance(transform))
{
targetTile = currentTile;
row = i;
column = j;
}
}
}
}
return(targetTile != null);
}
