public float biomePercentFromPoint(Vector3 pointOnUnitSphere, out float index)
{
float heightPercent = (pointOnUnitSphere.y + 1) / 2f;
heightPercent += (biomeNoiseFilter.SimpleNoiseValueBiome(pointOnUnitSphere) - settings.biomeColorSettings.noiseOffset) * settings.biomeColorSettings.noiseStrengeth;
float biomeIndex = 0;
int numBiomes = settings.biomeColorSettings.biomes.Length;
float blendRange = settings.biomeColorSettings.blendAmount / 2f + .001f;
for (int i = 0; i < numBiomes; i++)
{
float dst = heightPercent - settings.biomeColorSettings.biomes[i].startHeight;
float weight = Mathf.InverseLerp(-blendRange, blendRange, dst);
biomeIndex *= (1 - weight);
biomeIndex += i * weight;
}
index = biomeIndex;
return(biomeIndex / Mathf.Max(1, numBiomes - 1));
}
