void SetMaterial() {
int index = 0;
if (usePerlin) {
Vector3 pos = Vector3.Scale(transform.position, fieldScale);
pos.x += pos.z;
pos.y += pos.z * .5f;
float f = Noise(pos.x, pos.y);
index = (int)(materials.Length * f * .99999f);
} else if (useSeed) {
int prevSeed = Random.seed;
Random.seed = seed++;
if (weights.Length == 0) { index = materials.RandomIndex(); }
else { index = RandomF.WeightedChoose(weights); }
Random.seed = prevSeed;
} else {
if (weights.Length == 0) { index = materials.RandomIndex(); }
else { index = RandomF.WeightedChoose(weights); }
}
if (renderer != null) {
renderer.material = materials[index];
}
foreach (Renderer r in alsoSetThese) {
r.material = materials[index];
}
Destroy(this);
}
public static List <T> Choose <T>(this List <T> list, List <float> weights, int num)
{
//Debug.Log(list.Count + " : " + weights.Count + " : " + num);
if (num >= list.Count)
{
return(list.Shuffled());
}
List <T> stuff = list.Clone();
List <float> weightsCopy = weights.Clone();
List <T> chosen = new List <T>();
for (int i = 0; i < num; i++)
{
int index = RandomF.WeightedChoose(weightsCopy);
//Debug.Log(index);
chosen.Add(stuff[index]);
stuff.RemoveAt(index);
weightsCopy.RemoveAt(index);
}
return(chosen);
}
//Choose an element from an array using weights
public static T Choose <T>(this T[] array, float[] weights)
{
int index = (int)Mathf.Clamp(RandomF.WeightedChoose(weights), 0, array.Length - 1);
return(array[index]);
}
public static T Choose <T>(this List <T> list, float[] weights)
{
return(list[RandomF.WeightedChoose(weights)]);
}
