Module normal_noise 

Normal (Double Perlin) noise implementation matching vanilla Minecraft’s NormalNoise.java

This combines two PerlinNoise samplers with slightly different coordinate scaling to create smoother, more natural-looking noise. It’s used for biome climate parameters.

Structs

NormalNoise

Normal (Double Perlin) noise generator.

Constants

INPUT_FACTOR

Input factor for the second Perlin sampler.

VALUE_FACTOR_NUMERATOR 🔒

Value factor numerator matching vanilla’s inline literal 0.16666666666666666 (1/6).

Functions

expected_deviation 🔒

Calculate the expected deviation for a given octave span.