Ustym Ukhman UstymUkhman

WGSL 2D SDF Primitives

Revision: 06.08.2023, https://compute.toys/view/398

Circle - exact

fn sdCircle(p: vec2f, r: f32) -> f32 {
  return length(p) - r;
}

WGSL 3D SDF Primitives

Revision: 06.08.2023, https://compute.toys/view/407

Sphere - exact

fn sdSphere(p: vec3f, r: f32) -> f32 {
  return length(p) - r;
}

A non-exhaustive list of WebGL and WebGPU frameworks and libraries. It is mostly for learning purposes as some of the libraries listed are wip/outdated/not maintained anymore.

Engines and libraries ⚙️

Name	Stars	Last Commit	Description
three.js	![GitHub

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);

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<title>three.js webgl - modifier - Fast Quadric Mesh Simplification</title>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
	<style>
	body {
	font-family: Monospace;
	background-color: #f0f0f0;

	<?php
	/**
	* Array2XML: A class to convert array in PHP to XML
	* It also takes into account attributes names unlike SimpleXML in PHP
	* It returns the XML in form of DOMDocument class for further manipulation.
	* It throws exception if the tag name or attribute name has illegal chars.
	*
	* Author : Lalit Patel
	* Website: http://www.lalit.org/lab/convert-php-array-to-xml-with-attributes
	* License: Apache License 2.0

	import java.io.BufferedReader;
	import java.io.IOException;
	import java.io.InputStreamReader;
	import java.util.Hashtable;
	import java.util.Random;
	import java.util.Vector;


	public class Markov {

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 subzey <[email protected]>

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE

	if (req.method === 'OPTIONS') {
	console.log('!OPTIONS');
	var headers = {};
	// IE8 does not allow domains to be specified, just the *
	// headers["Access-Control-Allow-Origin"] = req.headers.origin;
	headers["Access-Control-Allow-Origin"] = "*";
	headers["Access-Control-Allow-Methods"] = "POST, GET, PUT, DELETE, OPTIONS";
	headers["Access-Control-Allow-Credentials"] = false;
	headers["Access-Control-Max-Age"] = '86400'; // 24 hours
	headers["Access-Control-Allow-Headers"] = "X-Requested-With, X-HTTP-Method-Override, Content-Type, Accept";