public static int Find(int x, int y)
{
for (int index = 0; index < 1000; ++index)
{
if (TargetDummy.dummies[index] != null && (int)TargetDummy.dummies[index].x == x && (int)TargetDummy.dummies[index].y == y)
return index;
}
return -1;
}