private void findClosestFish(Fish refFish, int num, out List <Fish> closest)
{
closest = new List <Fish>();
List <FishDist> dist = new List <FishDist>();
foreach (var fish in fishes)
{
if (fish.transform != refFish.transform)
{
Vector3 toRef = refFish.transform.position - fish.transform.position;
FishDist fd = new FishDist();
fd.fish = fish;
fd.sqrDist = Vector3.Dot(toRef, toRef);
dist.Add(fd);
}
}
dist.Sort(SortSqrDist);
for (int i = 0; i < Mathf.Min(num, dist.Count); i++)
{
closest.Add(dist[i].fish);
}
}
static int SortSqrDist(FishDist f1, FishDist f2)
{
return(f1.sqrDist.CompareTo(f2.sqrDist));
}
