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135 lines
3.2 KiB
135 lines
3.2 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 - normal map [object space]</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 object-space normalmap demo<br />
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Nefertiti Bust by
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<a href="http://www.cultlab3d.de/" target="_blank" rel="noopener">CultLab3D</a><br />
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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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}
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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 { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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let renderer, scene, camera;
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init();
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function init() {
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// renderer
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.body.appendChild( renderer.domElement );
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renderer.outputEncoding = THREE.sRGBEncoding;
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// scene
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scene = new THREE.Scene();
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// camera
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camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.set( - 10, 0, 23 );
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scene.add( camera );
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// controls
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const controls = new OrbitControls( camera, renderer.domElement );
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controls.addEventListener( 'change', render );
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controls.minDistance = 10;
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controls.maxDistance = 50;
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controls.enablePan = false;
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// ambient
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scene.add( new THREE.AmbientLight( 0xffffff, .2 ) );
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// light
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const light = new THREE.PointLight( 0xffffff, 1.5 );
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camera.add( light );
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// model
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new GLTFLoader().load( 'models/gltf/Nefertiti/Nefertiti.glb', function ( gltf ) {
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gltf.scene.traverse( function ( child ) {
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if ( child.isMesh ) {
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// glTF currently supports only tangent-space normal maps.
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// this model has been modified to demonstrate the use of an object-space normal map.
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child.material.normalMapType = THREE.ObjectSpaceNormalMap;
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// attribute normals are not required with an object-space normal map. remove them.
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child.geometry.deleteAttribute( 'normal' );
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//
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child.material.side = THREE.DoubleSide;
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child.scale.multiplyScalar( 0.5 );
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// recenter
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new THREE.Box3().setFromObject( child ).getCenter( child.position ).multiplyScalar( - 1 );
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scene.add( child );
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}
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} );
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render();
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} );
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window.addEventListener( 'resize', onWindowResize );
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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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render();
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}
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function render() {
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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