protected double Height(DVec3 pos)
{
var h = SimplexNoise.noise(pos.x * _invNoiseSize, pos.y * _invNoiseSize, pos.z * _invNoiseSize);
return((h < blackLevel) ? blackLevel : h);
}
private double _PartialZ(double x, double y, double z, Vector3 offset)
{
return((SimplexNoise.noise(offset.x + x * _invNoiseScale, offset.y + y * _invNoiseScale, offset.z + z * _invNoiseScale + DELTA)
- SimplexNoise.noise(offset.x + x * _invNoiseScale, offset.y + y * _invNoiseScale, offset.z + z * _invNoiseScale - DELTA))
* _invTwoDelta);
}