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271 lines
6.6 KiB
271 lines
6.6 KiB
2 years 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 webgl - materials - standard (nodes)</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> - webgl physically based material<br/>
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<a href="http://www.polycount.com/forum/showthread.php?t=130641" target="_blank" rel="noopener">Cerberus(FFVII Gun) model</a> by Andrew Maximov.
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/",
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"three/nodes": "./jsm/nodes/Nodes.js"
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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 * as Nodes from 'three/nodes';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { TrackballControls } from 'three/addons/controls/TrackballControls.js';
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import { OBJLoader } from 'three/addons/loaders/OBJLoader.js';
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import { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
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import { nodeFrame } from 'three/addons/renderers/webgl/nodes/WebGLNodes.js';
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let container, stats;
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let camera, scene, renderer, controls;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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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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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.toneMapping = THREE.ReinhardToneMapping;
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renderer.toneMappingExposure = 3;
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//
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 1000 );
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camera.position.z = 2;
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controls = new TrackballControls( camera, renderer.domElement );
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//
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scene.add( new THREE.HemisphereLight( 0x443333, 0x222233, 4 ) );
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// Test Extended Material
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class MeshCustomNodeMaterial extends Nodes.MeshStandardNodeMaterial {
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constructor() {
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super();
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}
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}
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// Extends Serialization Material
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const superCreateMaterialFromType = THREE.MaterialLoader.createMaterialFromType;
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THREE.MaterialLoader.createMaterialFromType = function ( type ) {
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const materialLib = {
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MeshCustomNodeMaterial
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};
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if ( materialLib[ type ] !== undefined ) {
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return new materialLib[ type ]();
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}
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return superCreateMaterialFromType.call( this, type );
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};
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//
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const material = new MeshCustomNodeMaterial();
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new OBJLoader()
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.setPath( 'models/obj/cerberus/' )
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.load( 'Cerberus.obj', function ( group ) {
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const loaderManager = new THREE.LoadingManager();
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const loader = new THREE.TextureLoader( loaderManager )
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.setPath( 'models/obj/cerberus/' );
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const diffuseMap = loader.load( 'Cerberus_A.jpg' );
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diffuseMap.wrapS = THREE.RepeatWrapping;
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diffuseMap.encoding = THREE.sRGBEncoding;
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const rmMap = loader.load( 'Cerberus_RM.jpg' );
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rmMap.wrapS = THREE.RepeatWrapping;
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const normalMap = loader.load( 'Cerberus_N.jpg' );
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normalMap.wrapS = THREE.RepeatWrapping;
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const mpMapNode = new Nodes.TextureNode( rmMap );
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material.colorNode = new Nodes.OperatorNode( '*', new Nodes.TextureNode( diffuseMap ), new Nodes.UniformNode( material.color ) );
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// roughness is in G channel, metalness is in B channel
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material.roughnessNode = new Nodes.SplitNode( mpMapNode, 'g' );
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material.metalnessNode = new Nodes.SplitNode( mpMapNode, 'b' );
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material.normalNode = new Nodes.NormalMapNode( new Nodes.TextureNode( normalMap ) );
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group.traverse( function ( child ) {
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if ( child.isMesh ) {
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child.material = material;
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}
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} );
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group.position.x = - 0.45;
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group.rotation.y = - Math.PI / 2;
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//scene.add( group );
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// TODO: Serialization test
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loaderManager.onLoad = () => {
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const groupJSON = JSON.stringify( group.toJSON() );
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const objectLoader = new Nodes.NodeObjectLoader();
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objectLoader.parse( JSON.parse( groupJSON ), ( newGroup ) => {
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//scene.remove( group );
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newGroup.position.copy( group.position );
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newGroup.rotation.copy( group.rotation );
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scene.add( newGroup );
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console.log( 'Serialized!' );
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} );
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};
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} );
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const environments = {
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'Venice Sunset': { filename: 'venice_sunset_1k.hdr' },
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'Overpass': { filename: 'pedestrian_overpass_1k.hdr' }
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};
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function loadEnvironment( name ) {
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if ( environments[ name ].texture !== undefined ) {
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scene.background = environments[ name ].texture;
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scene.environment = environments[ name ].texture;
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return;
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}
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const filename = environments[ name ].filename;
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new RGBELoader()
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.setPath( 'textures/equirectangular/' )
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.load( filename, function ( hdrEquirect ) {
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const hdrCubeRenderTarget = pmremGenerator.fromEquirectangular( hdrEquirect );
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hdrEquirect.dispose();
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scene.background = hdrCubeRenderTarget.texture;
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scene.environment = hdrCubeRenderTarget.texture;
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environments[ name ].texture = hdrCubeRenderTarget.texture;
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} );
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}
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const params = {
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environment: Object.keys( environments )[ 0 ]
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};
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loadEnvironment( params.environment );
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const gui = new GUI();
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gui.add( params, 'environment', Object.keys( environments ) ).onChange( function ( value ) {
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loadEnvironment( value );
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} );
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gui.open();
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const pmremGenerator = new THREE.PMREMGenerator( renderer );
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pmremGenerator.compileEquirectangularShader();
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//
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stats = new Stats();
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container.appendChild( stats.dom );
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window.addEventListener( 'resize', onWindowResize );
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}
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//
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function onWindowResize() {
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renderer.setSize( window.innerWidth, window.innerHeight );
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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nodeFrame.update();
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controls.update();
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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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