public void UpdateNoise()
{
if (generators == null || generators.Length != Octaves)
{
generators = new SgtSimplex[Octaves];
}
var weight = 1.0f;
var total = 0.0f;
for (var i = 0; i < Octaves; i++)
{
var generator = generators[i];
if (generator == null)
{
generator = generators[i] = new SgtSimplex();
}
generator.SetSeed(Seed + i * 999);
total += weight;
weight *= 0.5f;
}
if (total > 0.0f)
{
scale = 1.0f / total;
}
else
{
scale = 1.0f;
}
}
private void OnCalculateHeight(Vector3 localPosition, ref float height)
{
localPosition = localPosition.normalized * Scale;
height += SgtSimplex.Generate(localPosition.x, localPosition.y, localPosition.z) * Strength;
}