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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - normal map [object space]</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 object-space normalmap demo<br />
- Nefertiti Bust by
- <a href="http://www.cultlab3d.de/" target="_blank" rel="noopener">CultLab3D</a><br />
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
- let renderer, scene, camera;
- init();
- function init() {
- // renderer
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setSize( window.innerWidth, window.innerHeight );
- document.body.appendChild( renderer.domElement );
- // scene
- scene = new THREE.Scene();
- // camera
- camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
- camera.position.set( - 10, 0, 23 );
- scene.add( camera );
- // controls
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.addEventListener( 'change', render );
- controls.minDistance = 10;
- controls.maxDistance = 50;
- controls.enablePan = false;
- // ambient
- scene.add( new THREE.AmbientLight( 0xffffff, 0.6 ) );
- // light
- const light = new THREE.PointLight( 0xffffff, 4.5, 0, 0 );
- camera.add( light );
- // model
- new GLTFLoader().load( 'models/gltf/Nefertiti/Nefertiti.glb', function ( gltf ) {
- gltf.scene.traverse( function ( child ) {
- if ( child.isMesh ) {
- // glTF currently supports only tangent-space normal maps.
- // this model has been modified to demonstrate the use of an object-space normal map.
- child.material.normalMapType = THREE.ObjectSpaceNormalMap;
- // attribute normals are not required with an object-space normal map. remove them.
- child.geometry.deleteAttribute( 'normal' );
- //
- child.material.side = THREE.DoubleSide;
- child.scale.multiplyScalar( 0.5 );
- // recenter
- new THREE.Box3().setFromObject( child ).getCenter( child.position ).multiplyScalar( - 1 );
- scene.add( child );
- }
- } );
- render();
- } );
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- render();
- }
- function render() {
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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