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- <html lang="en">
- <head>
- <title>three.js webgpu - tsl editor</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <style>
- #source {
- position: absolute;
- top: 0;
- left: 0;
- width: 50%;
- height: 100%;
- }
- #result {
- position: absolute;
- top: 0;
- right: 0;
- width: 50%;
- height: 100%;
- }
- #renderer {
- position: absolute;
- bottom: 15px;
- right: calc( 50% + 15px );
- width: 200px;
- height: 200px;
- z-index: 100;
- pointer-events: none;
- }
- </style>
- <div id="source"></div>
- <div id="result"></div>
- <div id="renderer"></div>
- <script src="https://cdn.jsdelivr.net/npm/monaco-editor@latest/min/vs/loader.min.js"></script>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- init();
- function init() {
- // add the depedencies
- const width = 200;
- const height = 200;
- const camera = new THREE.PerspectiveCamera( 70, width / height, 0.1, 10 );
- camera.position.z = .72;
- camera.lookAt( 0, 0, 0 );
- const scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x222222 );
- const rendererDOM = document.getElementById( 'renderer' );
- const renderer = new THREE.WebGPURenderer( { antialias: true } );
- renderer.outputColorSpace = THREE.LinearSRGBColorSpace;
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( 200, 200 );
- rendererDOM.appendChild( renderer.domElement );
- const material = new THREE.NodeMaterial();
- material.fragmentNode = THREE.vec4( 0, 0, 0, 1 );
- const mesh = new THREE.Mesh( new THREE.PlaneGeometry( 1, 1 ), material );
- scene.add( mesh );
- //
- let compiling = false;
- renderer.setAnimationLoop( () => {
- if ( compiling ) return;
- renderer.render( scene, camera );
- } );
- // editor
- window.require.config( { paths: { 'vs': 'https://cdn.jsdelivr.net/npm/monaco-editor@0.48.0/min/vs' } } );
- require( [ 'vs/editor/editor.main' ], () => {
- const options = {
- shader: 'fragment',
- outputColorSpace: THREE.LinearSRGBColorSpace,
- output: 'WGSL',
- preview: true
- };
- let timeout = null;
- let rawShader = null;
- const editorDOM = document.getElementById( 'source' );
- const resultDOM = document.getElementById( 'result' );
- const tslCode = `// Simple uv.x animation
- const { texture, uniform, vec2, vec4, uv, oscSine, timerLocal, grayscale } = THREE;
- //const samplerTexture = new THREE.Texture();
- const samplerTexture = new THREE.TextureLoader().load( './textures/uv_grid_opengl.jpg' );
- samplerTexture.wrapS = THREE.RepeatWrapping;
- //samplerTexture.wrapT = THREE.RepeatWrapping;
- //samplerTexture.colorSpace = THREE.SRGBColorSpace;
- const timer = timerLocal( .5 ); // .5 is speed
- const uv0 = uv();
- const animateUv = vec2( uv0.x.add( oscSine( timer ) ), uv0.y );
- // label is optional
- const myMap = texture( samplerTexture, animateUv ).rgb.label( 'myTexture' );
- const myColor = uniform( new THREE.Color( 0x0066ff ) ).label( 'myColor' );
- const opacity = .7;
- const desaturatedMap = grayscale( myMap.rgb );
- const finalColor = desaturatedMap.add( myColor );
- output = vec4( finalColor, opacity );
- `;
- const editor = window.monaco.editor.create( editorDOM, {
- value: tslCode,
- language: 'javascript',
- theme: 'vs-dark',
- automaticLayout: true,
- minimap: { enabled: false }
- } );
- const result = window.monaco.editor.create( resultDOM, {
- value: '',
- language: 'wgsl',
- theme: 'vs-dark',
- automaticLayout: true,
- readOnly: true,
- minimap: { enabled: false }
- } );
- const showCode = () => {
- result.setValue( rawShader[ options.shader + 'Shader' ] );
- result.revealLine( 1 );
- };
- const webGLRenderer = new THREE.WebGPURenderer( { forceWebGL: true } );
- const build = async () => {
- try {
- const tslCode = `let output = null;\n${ editor.getValue() }\nreturn { output };`;
- const nodes = new Function( 'THREE', tslCode )( THREE );
- mesh.material.fragmentNode = nodes.output;
- mesh.material.needsUpdate = true;
- compiling = true;
- if ( options.output === 'WGSL' ) {
- rawShader = await renderer.debug.getShaderAsync( scene, camera, mesh );
- } else if ( options.output === 'GLSL ES 3.0' ) {
- rawShader = await webGLRenderer.debug.getShaderAsync( scene, camera, mesh );
- }
- compiling = false;
- showCode();
- // extra debug info
- /*const style = 'background-color: #333; color: white; font-style: italic; border: 2px solid #777; font-size: 22px;';
- console.log( '%c [ WGSL ] Vertex Shader ', style );
- console.log( rawShader.vertexShader );
- console.log( '%c [ WGSL ] Fragment Shader ', style );
- console.log( rawShader.fragmentShader );/**/
- } catch ( e ) {
- result.setValue( 'Error: ' + e.message );
- }
- };
- build();
- editor.getModel().onDidChangeContent( () => {
- if ( timeout ) clearTimeout( timeout );
- timeout = setTimeout( build, 1000 );
- } );
- // gui
- const gui = new GUI();
- gui.add( options, 'output', [ 'WGSL', 'GLSL ES 3.0' ] ).onChange( build );
- gui.add( options, 'shader', [ 'vertex', 'fragment' ] ).onChange( showCode );
- gui.add( options, 'outputColorSpace', [ THREE.LinearSRGBColorSpace, THREE.SRGBColorSpace ] ).onChange( ( value ) => {
- renderer.outputColorSpace = value;
- build();
- } );
- gui.add( options, 'preview' ).onChange( ( value ) => {
- rendererDOM.style.display = value ? '' : 'none';
- } );
- } );
- }
- </script>
- </body>
- </html>
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