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- <html lang="en">
- <head>
- <title>WebGPU Sandbox</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>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> WebGPU - sandbox<br/>(Chrome Canary with flag: --enable-unsafe-webgpu)
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { DDSLoader } from './jsm/loaders/DDSLoader.js';
- import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
- import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
- import AttributeNode from './jsm/renderers/nodes/core/AttributeNode.js';
- import FloatNode from './jsm/renderers/nodes/inputs/FloatNode.js';
- import Vector2Node from './jsm/renderers/nodes/inputs/Vector2Node.js';
- import ColorNode from './jsm/renderers/nodes/inputs/ColorNode.js';
- import TextureNode from './jsm/renderers/nodes/inputs/TextureNode.js';
- import UVNode from './jsm/renderers/nodes/accessors/UVNode.js';
- import PositionNode from './jsm/renderers/nodes/accessors/PositionNode.js';
- import NormalNode from './jsm/renderers/nodes/accessors/NormalNode.js';
- import OperatorNode from './jsm/renderers/nodes/math/OperatorNode.js';
- import SwitchNode from './jsm/renderers/nodes/utils/SwitchNode.js';
- import TimerNode from './jsm/renderers/nodes/utils/TimerNode.js';
- let camera, scene, renderer;
- let box;
- init().then( animate ).catch( error );
- async function init() {
- if ( WebGPU.isAvailable() === false ) {
- document.body.appendChild( WebGPU.getErrorMessage() );
- throw 'No WebGPU support';
- }
- camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.1, 10 );
- camera.position.z = 4;
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x222222 );
- // textures
- const textureLoader = new THREE.TextureLoader();
- const texture = textureLoader.load( './textures/uv_grid_opengl.jpg' );
- texture.wrapS = THREE.RepeatWrapping;
- texture.wrapT = THREE.RepeatWrapping;
- texture.name = 'uv_grid';
- const textureDisplace = textureLoader.load( './textures/transition/transition1.png' );
- textureDisplace.wrapS = THREE.RepeatWrapping;
- textureDisplace.wrapT = THREE.RepeatWrapping;
- // compressed texture
- const ddsLoader = new DDSLoader();
- const dxt5Texture = ddsLoader.load( './textures/compressed/explosion_dxt5_mip.dds' );
- // box mesh
- const geometryBox = new THREE.BoxGeometry();
- const materialBox = new THREE.MeshBasicMaterial();
- const timerNode = new TimerNode();
- // birection speed
- const timerScaleNode = new OperatorNode( '*', timerNode, new Vector2Node( new THREE.Vector2( - 0.5, 0.1 ) ).setConst( true ) );
- const animateUV = new OperatorNode( '+', new UVNode(), timerScaleNode );
- materialBox.colorNode = new TextureNode( texture, animateUV );
- // test uv 2
- //geometryBox.setAttribute( 'uv2', geometryBox.getAttribute( 'uv' ) );
- //materialBox.colorNode = new TextureNode( texture, new UVNode( 1 ) );
- box = new THREE.Mesh( geometryBox, materialBox );
- box.position.set( 0, 1, 0 );
- scene.add( box );
- // displace example
- const geometrySphere = new THREE.SphereGeometry( .5, 64, 64 );
- const materialSphere = new THREE.MeshBasicMaterial();
- const displaceAnimated = new SwitchNode( new TextureNode( textureDisplace ), 'x' );
- const displaceY = new OperatorNode( '*', displaceAnimated, new FloatNode( .25 ).setConst( true ) );
- const displace = new OperatorNode( '*', new NormalNode( NormalNode.LOCAL ), displaceY );
- materialSphere.colorNode = displaceY;
- materialSphere.positionNode = new OperatorNode( '+', new PositionNode( PositionNode.LOCAL ), displace );
- const sphere = new THREE.Mesh( geometrySphere, materialSphere );
- sphere.position.set( - 2, - 1, 0 );
- scene.add( sphere );
- // data texture
- const geometryPlane = new THREE.PlaneGeometry();
- const materialPlane = new THREE.MeshBasicMaterial();
- materialPlane.colorNode = new OperatorNode( '+', new TextureNode( createDataTexture() ), new ColorNode( new THREE.Color( 0x0000FF ) ) );
- materialPlane.opacityNode = new SwitchNode( new TextureNode( dxt5Texture ), 'a' );
- materialPlane.transparent = true;
- const plane = new THREE.Mesh( geometryPlane, materialPlane );
- plane.position.set( 0, - 1, 0 );
- scene.add( plane );
- // compressed texture
- const materialCompressed = new THREE.MeshBasicMaterial();
- materialCompressed.colorNode = new TextureNode( dxt5Texture );
- materialCompressed.transparent = true;
- const boxCompressed = new THREE.Mesh( geometryBox, materialCompressed );
- boxCompressed.position.set( - 2, 1, 0 );
- scene.add( boxCompressed );
- // points
- const points = [];
- for ( let i = 0; i < 1000; i ++ ) {
- const point = new THREE.Vector3().random().subScalar( 0.5 );
- points.push( point );
- }
- const geometryPoints = new THREE.BufferGeometry().setFromPoints( points );
- const materialPoints = new THREE.PointsMaterial();
- materialPoints.colorNode = new OperatorNode( '*', new PositionNode(), new FloatNode( 3 ).setConst( true ) );
- const pointCloud = new THREE.Points( geometryPoints, materialPoints );
- pointCloud.position.set( 2, - 1, 0 );
- scene.add( pointCloud );
- // lines
- const geometryLine = new THREE.BufferGeometry().setFromPoints( [
- new THREE.Vector3( - 0.5, - 0.5, 0 ),
- new THREE.Vector3( 0.5, - 0.5, 0 ),
- new THREE.Vector3( 0.5, 0.5, 0 ),
- new THREE.Vector3( - 0.5, 0.5, 0 )
- ] );
- geometryLine.setAttribute( 'color', geometryLine.getAttribute( 'position' ) );
- const materialLine = new THREE.LineBasicMaterial();
- materialLine.colorNode = new AttributeNode( 'color', 'vec3' );
- const line = new THREE.Line( geometryLine, materialLine );
- line.position.set( 2, 1, 0 );
- scene.add( line );
- //
- renderer = new WebGPURenderer( { nonGuaranteedFeatures: [ 'texture-compression-bc' ] } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- document.body.appendChild( renderer.domElement );
- window.addEventListener( 'resize', onWindowResize );
- return renderer.init();
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- requestAnimationFrame( animate );
- box.rotation.x += 0.01;
- box.rotation.y += 0.02;
- renderer.render( scene, camera );
- }
- function createDataTexture() {
- const color = new THREE.Color( 0xff0000 );
- const width = 512;
- const height = 512;
- const size = width * height;
- const data = new Uint8Array( 4 * size );
- const r = Math.floor( color.r * 255 );
- const g = Math.floor( color.g * 255 );
- const b = Math.floor( color.b * 255 );
- for ( let i = 0; i < size; i ++ ) {
- const stride = i * 4;
- data[ stride ] = r;
- data[ stride + 1 ] = g;
- data[ stride + 2 ] = b;
- data[ stride + 3 ] = 255;
- }
- return new THREE.DataTexture( data, width, height, THREE.RGBAFormat );
- }
- function error( error ) {
- console.error( error );
- }
- </script>
- </body>
- </html>
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