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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js webgpu - materials</title>
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+ <meta charset="utf-8">
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+ <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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+ <link type="text/css" rel="stylesheet" href="main.css">
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+ </head>
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+ <body>
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+ <div id="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgpu materials
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+
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+ import WebGPURenderer from './jsm/renderers/webgpu/WebGPURenderer.js';
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+ import WebGPU from './jsm/renderers/webgpu/WebGPU.js';
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+
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+ import { TeapotGeometry } from './jsm/geometries/TeapotGeometry.js';
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+
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+ import ColorNode from './jsm/renderers/nodes/inputs/ColorNode.js';
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+ import PositionNode from './jsm/renderers/nodes/accessors/PositionNode.js';
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+ import NormalNode from './jsm/renderers/nodes/accessors/NormalNode.js';
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+ import TextureNode from './jsm/renderers/nodes/inputs/TextureNode.js';
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+
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+ import Stats from './jsm/libs/stats.module.js';
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+
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+ let stats;
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+
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+ let camera, scene, renderer;
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+
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+ const objects = [], materials = [];
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+
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+ init().then( animate ).catch( error );
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+
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+ async function init() {
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+
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+ if ( WebGPU.isAvailable() === false ) {
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+
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+ document.body.appendChild( WebGPU.getErrorMessage() );
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+
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+ throw 'No WebGPU support';
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+
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+ }
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+
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+ const container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
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+ camera.position.set( 0, 200, 800 );
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+
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+ scene = new THREE.Scene();
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+
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+ // Grid
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+
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+ const helper = new THREE.GridHelper( 1000, 40 );
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+ helper.material.colorNode = new ColorNode( new THREE.Color( 0x303030 ) );
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+ helper.position.y = - 75;
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+ scene.add( helper );
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+
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+ // Materials
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+
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+ const textureLoader = new THREE.TextureLoader();
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+
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+ const texture = textureLoader.load( './textures/uv_grid_opengl.jpg' );
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+ texture.wrapS = THREE.RepeatWrapping;
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+ texture.wrapT = THREE.RepeatWrapping;
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+
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+ let material;
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+
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+ // PositionNode.LOCAL
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+ material = new THREE.MeshBasicMaterial();
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+ material.colorNode = new PositionNode( PositionNode.LOCAL );
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+ materials.push( material );
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+
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+ // NormalNode.LOCAL
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+ material = new THREE.MeshBasicMaterial();
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+ material.colorNode = new NormalNode( NormalNode.LOCAL );
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+ materials.push( material );
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+
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+ // NormalNode.WORLD
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+ material = new THREE.MeshBasicMaterial();
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+ material.colorNode = new NormalNode( NormalNode.WORLD );
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+ materials.push( material );
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+
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+ // NormalNode.VIEW
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+ material = new THREE.MeshBasicMaterial();
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+ material.colorNode = new NormalNode( NormalNode.VIEW );
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+ materials.push( material );
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+
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+ // TextureNode
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+ material = new THREE.MeshBasicMaterial();
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+ material.colorNode = new TextureNode( texture );
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+ materials.push( material );
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+
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+ // Opacity
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+ material = new THREE.MeshBasicMaterial();
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+ material.opacityNode = new TextureNode( texture );
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+ material.transparent = true;
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+ materials.push( material );
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+
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+ // Spheres geometry
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+
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+ //const geometry = new THREE.SphereGeometry( 70, 32, 16 );
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+ const geometry = new TeapotGeometry( 50, 18 );
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+
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+ for ( let i = 0, l = materials.length; i < l; i ++ ) {
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+
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+ addMesh( geometry, materials[ i ] );
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+
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+ }
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+
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+ //
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+
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+ renderer = new WebGPURenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ container.appendChild( renderer.domElement );
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+
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+ //
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+
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+ stats = new Stats();
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+ container.appendChild( stats.dom );
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+
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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ return renderer.init();
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+
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+ }
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+
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+ function addMesh( geometry, material ) {
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+
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+ const mesh = new THREE.Mesh( geometry, material );
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+
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+ mesh.position.x = ( objects.length % 4 ) * 200 - 400;
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+ mesh.position.z = Math.floor( objects.length / 4 ) * 200 - 200;
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+
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+ mesh.rotation.x = Math.random() * 200 - 100;
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+ mesh.rotation.y = Math.random() * 200 - 100;
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+ mesh.rotation.z = Math.random() * 200 - 100;
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+
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+ objects.push( mesh );
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+
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+ scene.add( mesh );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ }
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+
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+ function generateTexture() {
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+
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+ const canvas = document.createElement( 'canvas' );
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+ canvas.width = 256;
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+ canvas.height = 256;
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+
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+ const context = canvas.getContext( '2d' );
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+ const image = context.getImageData( 0, 0, 256, 256 );
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+
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+ let x = 0, y = 0;
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+
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+ for ( let i = 0, j = 0, l = image.data.length; i < l; i += 4, j ++ ) {
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+
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+ x = j % 256;
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+ y = ( x === 0 ) ? y + 1 : y;
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+
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+ image.data[ i ] = 255;
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+ image.data[ i + 1 ] = 255;
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+ image.data[ i + 2 ] = 255;
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+ image.data[ i + 3 ] = Math.floor( x ^ y );
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+
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+ }
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+
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+ context.putImageData( image, 0, 0 );
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+
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+ return canvas;
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+
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+ }
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+
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+ //
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+
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+ render();
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+ stats.update();
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+
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+ }
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+
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+ function render() {
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+
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+ const timer = 0.0001 * Date.now();
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+
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+ camera.position.x = Math.cos( timer ) * 1000;
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+ camera.position.z = Math.sin( timer ) * 1000;
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+
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+ camera.lookAt( scene.position );
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+
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+ for ( let i = 0, l = objects.length; i < l; i ++ ) {
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+
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+ const object = objects[ i ];
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+
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+ object.rotation.x += 0.01;
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+ object.rotation.y += 0.005;
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+
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+ }
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ function error( error ) {
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+
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+ console.error( error );
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+
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+ }
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+
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+ </script>
|
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+
|
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+ </body>
|
|
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+</html>
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sunag