noise3 method
Implementation
@override
double noise3(double x, double y, double z) {
double n = generator.noise3(x, y, z);
for (int i = 1; i < octaves; i++) {
n += generator.noise3((x + (i * 100000)) * gain * i,
(y + (i * 100000)) * gain * i, (z + (i * 100000)) * gain * i);
}
return n * multiplier;
}