r-lyeh-archived

Please consider using http://lygia.xyz instead of copy/pasting this functions. It expand suport for voronoi, voronoise, fbm, noise, worley, noise, derivatives and much more, through simple file dependencies. Take a look to https://github.com/patriciogonzalezvivo/lygia/tree/main/generative

Generic 1,2,3 Noise

float rand(float n){return fract(sin(n) * 43758.5453123);}

float noise(float p){
	float fl = floor(p);
  float fc = fract(p);

	// Mini memory editor for Dear ImGui (to embed in your game/tools)
	// Animated GIF: https://twitter.com/ocornut/status/894242704317530112

	// THE MEMORY EDITOR CODE HAS MOVED TO GIT:
	// https://github.com/ocornut/imgui_club/tree/master/imgui_memory_editor
	// Click "Revisions" on the Gist to see old version.

	/*
	* Copyright (c) 2018 Nathan Lewis <[email protected]>
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions are met:
	*
	* 1. Redistributions of source code must retain the above copyright notice,
	* this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright

	/*
	* Random-Number Utilities (randutil)
	* Addresses common issues with C++11 random number generation.
	* Makes good seeding easier, and makes using RNGs easy while retaining
	* all the power.
	*
	* The MIT License (MIT)
	*
	* Copyright (c) 2015-2022 Melissa E. O'Neill
	*

	/*
	Delta Compression by Glenn Fiedler.
	This source code is placed in the public domain.
	http://gafferongames.com/2015/03/14/the-networked-physics-data-compression-challenge/
	*/

	#include <stdint.h>
	#include <stdio.h>
	#include <assert.h>
	#include <string.h>

	// List comprehension in C++11 in form of SQL-like syntax
	// Example code from http://vitiy.info/cpp11-writing-list-comprehension-in-form-of-sql/
	// Written by Victor Laskin ([email protected])

	#include <iostream>
	#include <functional>
	#include <vector>
	#include <future>
	#include <algorithm>
	using namespace std;

	/*
	olc.cpp: The implementation for the google open location code

	Copyright (C) Steven Braeger 2014

	Permission is hereby granted, free of charge, to any person obtaining
	a copy of this software and associated documentation files (the
	"Software"), to deal in the Software without restriction, including
	without limitation the rights to use, copy, modify, merge, publish,
	distribute, sublicense, and/or sell copies of the Software, and to

	/**
	* K.jpg's OpenSimplex 2, smooth variant ("SuperSimplex")
	*
	* More language ports, as well as legacy 2014 OpenSimplex, can be found here:
	* https://github.com/KdotJPG/OpenSimplex2
	*/

	public class OpenSimplex2S {

	private static final long PRIME_X = 0x5205402B9270C86FL;

	/*-----------------------------------------------------------.
	/ ColorBlind correction /
	'-----------------------------------------------------------*/
	// Daltonize (source http://www.daltonize.org/search/label/Daltonize)
	// Modified to simulate color blindness.
	float4 Daltonize( float4 input, float2 tex )
	{
	// RGB to LMS matrix conversion
	float3 L = (17.8824f * input.r) + (43.5161f * input.g) + (4.11935f * input.b);
	float3 M = (3.45565f * input.r) + (27.1554f * input.g) + (3.86714f * input.b);