kymckay

--[[
    Implemented as described here:
    http://flafla2.github.io/2014/08/09/perlinnoise.html
]]--

perlin = {}
perlin.p = {}

-- Hash lookup table as defined by Ken Perlin
-- This is a randomly arranged array of all numbers from 0-255 inclusive

Flafla2

public class Perlin {

	public int repeat;
	
	public Perlin(int repeat = -1) {
		this.repeat = repeat;
	}

	public double OctavePerlin(double x, double y, double z, int octaves, double persistence) {
		double total = 0;

Flafla2

public class Perlin {

	public static double OctavePerlin(double x, double y, double z, int octaves, double persistence) {
		double total = 0;
		double frequency = 1;
		double amplitude = 1;
		for(int i=0;i<octaves;i++) {
			total += perlin(x * frequency, y * frequency, z * frequency) * amplitude;
			
			amplitude *= persistence;