public int findPerfectMove(int color, int depth)
{
start_color = color;
List<res> results = new List<res>();
int idx;
for (int i = 0; i < 7; i++)
{
if (board.move(i, out idx))
{
res r = new res();
r.result = recursiveMinMax(false, depth - 1, -999999, 999999);
r.move = i;
results.Add(r);
board.retract(i, idx);
}
}
results.Sort(delegate(res r1, res r2){
return (r1.result > r2.result ? -1 : 1);
});
float best = results[0].result;
int count = 0;
for (count = 1; count < results.Count; count++)
if (results[count].result < best)
break;
Random random = new Random();
return results[random.Next(count)].move;
//return results[0].move;
}