noise3 method

@override double noise3(double x, double y, double z)

Implementation

@override
double noise3(double x, double y, double z) {
  int x0 = floor(x);
  int y0 = floor(y);
  int z0 = floor(z);
  int x1 = x0 + 1;
  int y1 = y0 + 1;
  int z1 = z0 + 1;
  double xs = 0, ys = 0, zs = 0;
  xs = x - x0;
  ys = y - y0;
  zs = z - z0;
  double xf00 =
      lerp(valCoord3D(seed, x0, y0, z0), valCoord3D(seed, x1, y0, z0), xs);
  double xf10 =
      lerp(valCoord3D(seed, x0, y1, z0), valCoord3D(seed, x1, y1, z0), xs);
  double xf01 =
      lerp(valCoord3D(seed, x0, y0, z1), valCoord3D(seed, x1, y0, z1), xs);
  double xf11 =
      lerp(valCoord3D(seed, x0, y1, z1), valCoord3D(seed, x1, y1, z1), xs);
  double yf0 = lerp(xf00, xf10, ys);
  double yf1 = lerp(xf01, xf11, ys);
  return lerp(yf0, yf1, zs);
}