public override double GetValue(double x, double y, double z)
{
x *= Frequency;
z *= Frequency;
double distFromCenter = System.Math.Sqrt(x * x + z * z);
int distFromCenter0 = (distFromCenter > 0.0 ? (int)distFromCenter : (int)distFromCenter - 1);
double distFromSmallerSphere = distFromCenter - distFromCenter0;
double distFromLargerSphere = 1.0 - distFromSmallerSphere;
double nearestDist = NoiseMath.GetSmaller(distFromSmallerSphere, distFromLargerSphere);
return(1.0 - (nearestDist * 4.0));
}
public override double GetValue(double x, double y, double z)
{
x *= Frequency;
y *= Frequency;
z *= Frequency;
double distFromCenter = System.Math.Sqrt(x * x + y * y + z * z);
int xInt = (x > 0.0 ? (int)x : (int)x - 1);
double distFromSmallerSphere = distFromCenter - xInt;
double distFromLargerSphere = 1.0 - distFromSmallerSphere;
double nearestDist = NoiseMath.GetSmaller(distFromSmallerSphere, distFromLargerSphere);
return(1.0 - (nearestDist * 4.0)); // Puts it in the -1.0 to +1.0 range.
}
