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