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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - standard</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> - webgl physically based material<br/>
- <a href="http://www.polycount.com/forum/showthread.php?t=130641" target="_blank" rel="noopener">Cerberus(FFVII Gun) model</a> by Andrew Maximov.
- </div>
- <script type="module">
- import * as THREE from '../build/three.module.js';
- import Stats from './jsm/libs/stats.module.js';
- import { GUI } from './jsm/libs/dat.gui.module.js';
- import { TrackballControls } from './jsm/controls/TrackballControls.js';
- import { OBJLoader } from './jsm/loaders/OBJLoader.js';
- import { RGBELoader } from './jsm/loaders/RGBELoader.js';
- const statsEnabled = true;
- let container, stats;
- let camera, scene, renderer, controls;
- init();
- animate();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- renderer.outputEncoding = THREE.sRGBEncoding;
- renderer.toneMapping = THREE.ReinhardToneMapping;
- renderer.toneMappingExposure = 3;
- //
- scene = new THREE.Scene();
- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.01, 1000 );
- camera.position.z = 2;
- controls = new TrackballControls( camera, renderer.domElement );
- //
- scene.add( new THREE.HemisphereLight( 0x443333, 0x222233, 4 ) );
- //
- const material = new THREE.MeshStandardMaterial();
- new OBJLoader()
- .setPath( 'models/obj/cerberus/' )
- .load( 'Cerberus.obj', function ( group ) {
- const loader = new THREE.TextureLoader()
- .setPath( 'models/obj/cerberus/' );
- material.roughness = 1; // attenuates roughnessMap
- material.metalness = 1; // attenuates metalnessMap
- const diffuseMap = loader.load( 'Cerberus_A.jpg' );
- diffuseMap.encoding = THREE.sRGBEncoding;
- material.map = diffuseMap;
- // roughness is in G channel, metalness is in B channel
- material.metalnessMap = material.roughnessMap = loader.load( 'Cerberus_RM.jpg' );
- material.normalMap = loader.load( 'Cerberus_N.jpg' );
- material.map.wrapS = THREE.RepeatWrapping;
- material.roughnessMap.wrapS = THREE.RepeatWrapping;
- material.metalnessMap.wrapS = THREE.RepeatWrapping;
- material.normalMap.wrapS = THREE.RepeatWrapping;
- group.traverse( function ( child ) {
- if ( child.isMesh ) {
- child.material = material;
- }
- } );
- group.position.x = - 0.45;
- group.rotation.y = - Math.PI / 2;
- scene.add( group );
- } );
- const environments = {
- 'Venice Sunset': { filename: 'venice_sunset_1k.hdr' },
- 'Overpass': { filename: 'pedestrian_overpass_1k.hdr' }
- };
- function loadEnvironment(name) {
- if ( environments[ name ].texture !== undefined ) {
- scene.background = environments[ name ].texture;
- scene.environment = environments[ name ].texture;
- return;
- }
- const filename = environments[ name ].filename;
- new RGBELoader()
- .setDataType( THREE.UnsignedByteType )
- .setPath( 'textures/equirectangular/' )
- .load( filename, function ( hdrEquirect ) {
- const hdrCubeRenderTarget = pmremGenerator.fromEquirectangular( hdrEquirect );
- hdrEquirect.dispose();
- scene.background = hdrCubeRenderTarget.texture;
- scene.environment = hdrCubeRenderTarget.texture;
- environments[ name ].texture = hdrCubeRenderTarget.texture;
- } );
- }
- const params = {
- environment: Object.keys( environments )[ 0 ]
- };
- loadEnvironment( params.environment );
- const gui = new GUI();
- gui.add( params, 'environment', Object.keys( environments ) ).onChange( function( value ) {
- loadEnvironment(value);
- } );
- gui.open();
- const pmremGenerator = new THREE.PMREMGenerator( renderer );
- pmremGenerator.compileEquirectangularShader();
- //
- if ( statsEnabled ) {
- stats = new Stats();
- container.appendChild( stats.dom );
- }
- window.addEventListener( 'resize', onWindowResize );
- }
- //
- function onWindowResize() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- }
- //
- function animate() {
- requestAnimationFrame( animate );
- controls.update();
- renderer.render( scene, camera );
- if ( statsEnabled ) stats.update();
- }
- </script>
- </body>
- </html>
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