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183 lines
5.6 KiB
HTML
183 lines
5.6 KiB
HTML
2 months ago
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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 - phong lighting model</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 - phong lighting model<br />
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<b style="color:red">Left: Red lights</b> - <b>Center: All lights</b> - <b style="color:blue">Right: blue light</b>
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</div>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.webgpu.js",
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"three/webgpu": "../build/three.webgpu.js",
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"three/tsl": "../build/three.tsl.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import { color, fog, rangeFogFactor, checker, uv, mix, texture, lights, normalMap } from 'three/tsl';
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import Stats from 'three/addons/libs/stats.module.js';
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { TeapotGeometry } from 'three/addons/geometries/TeapotGeometry.js';
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let camera, scene, renderer,
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light1, light2, light3, light4,
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stats, controls;
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init();
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function init() {
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 100 );
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camera.position.z = 7;
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scene = new THREE.Scene();
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scene.fogNode = fog( color( 0xFF00FF ), rangeFogFactor( 12, 30 ) );
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const sphereGeometry = new THREE.SphereGeometry( 0.1, 16, 8 );
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// textures
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const textureLoader = new THREE.TextureLoader();
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const normalMapTexture = textureLoader.load( './textures/water/Water_1_M_Normal.jpg' );
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normalMapTexture.wrapS = THREE.RepeatWrapping;
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normalMapTexture.wrapT = THREE.RepeatWrapping;
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const alphaTexture = textureLoader.load( './textures/roughness_map.jpg' );
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alphaTexture.wrapS = THREE.RepeatWrapping;
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alphaTexture.wrapT = THREE.RepeatWrapping;
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// lights
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const addLight = ( hexColor, power = 1700, distance = 100 ) => {
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const material = new THREE.MeshPhongNodeMaterial();
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material.colorNode = color( hexColor );
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material.lights = false;
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const mesh = new THREE.Mesh( sphereGeometry, material );
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const light = new THREE.PointLight( hexColor, 1, distance );
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light.power = power;
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light.add( mesh );
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scene.add( light );
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return light;
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};
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light1 = addLight( 0x0040ff );
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light2 = addLight( 0xffffff );
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light3 = addLight( 0x80ff80 );
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light4 = addLight( 0xffaa00 );
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// light nodes ( selective lights )
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const blueLightsNode = lights( [ light1 ] );
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const whiteLightsNode = lights( [ light2 ] );
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// models
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const geometryTeapot = new TeapotGeometry( .8, 18 );
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const leftObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongNodeMaterial( { color: 0x555555 } ) );
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leftObject.material.lightsNode = blueLightsNode;
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leftObject.material.specularNode = texture( alphaTexture );
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leftObject.position.x = - 3;
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scene.add( leftObject );
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const centerObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongNodeMaterial( { color: 0x555555 } ) );
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centerObject.material.normalNode = normalMap( texture( normalMapTexture ) );
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centerObject.material.shininess = 80;
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scene.add( centerObject );
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const rightObject = new THREE.Mesh( geometryTeapot, new THREE.MeshPhongNodeMaterial( { color: 0x555555 } ) );
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rightObject.material.lightsNode = whiteLightsNode;
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//rightObject.material.specular.setHex( 0xFF00FF );
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rightObject.material.specularNode = mix( color( 0x0000FF ), color( 0xFF0000 ), checker( uv().mul( 5 ) ) );
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rightObject.material.shininess = 90;
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rightObject.position.x = 3;
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scene.add( rightObject );
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leftObject.rotation.y = centerObject.rotation.y = rightObject.rotation.y = Math.PI * - 0.5;
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leftObject.position.y = centerObject.position.y = rightObject.position.y = - 1;
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// renderer
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renderer = new THREE.WebGPURenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.setAnimationLoop( animate );
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document.body.appendChild( renderer.domElement );
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// controls
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controls = new OrbitControls( camera, renderer.domElement );
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controls.minDistance = 3;
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controls.maxDistance = 25;
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// stats
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stats = new Stats();
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document.body.appendChild( stats.dom );
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function animate() {
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const time = performance.now() / 1000;
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const lightTime = time * 0.5;
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light1.position.x = Math.sin( lightTime * 0.7 ) * 3;
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light1.position.y = Math.cos( lightTime * 0.5 ) * 4;
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light1.position.z = Math.cos( lightTime * 0.3 ) * 3;
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light2.position.x = Math.cos( lightTime * 0.3 ) * 3;
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light2.position.y = Math.sin( lightTime * 0.5 ) * 4;
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light2.position.z = Math.sin( lightTime * 0.7 ) * 3;
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light3.position.x = Math.sin( lightTime * 0.7 ) * 3;
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light3.position.y = Math.cos( lightTime * 0.3 ) * 4;
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light3.position.z = Math.sin( lightTime * 0.5 ) * 3;
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light4.position.x = Math.sin( lightTime * 0.3 ) * 3;
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light4.position.y = Math.cos( lightTime * 0.7 ) * 4;
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light4.position.z = Math.sin( lightTime * 0.5 ) * 3;
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renderer.render( scene, camera );
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stats.update();
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}
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</script>
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</body>
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</html>
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