private Transform PickPrefab(HexFeatureCollection[] collection, int level, float hash, float choice)
{
if (level > 0)
{
float[] thresholds = HexMetrics.GetFeatureThresholds(level - 1);
for (int i = 0; i < thresholds.Length; i++)
{
if (hash < thresholds[i])
{
return(collection[i].Pick(choice));
}
}
}
return(null);
}