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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - materials - bump map [Lee Perry-Smith]</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> - bump mapping without tangents<br/>
- <a href="https://casual-effects.com/data/" target="_blank" rel="noopener">Lee Perry-Smith</a> head
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.module.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import Stats from 'three/addons/libs/stats.module.js';
- import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
- let container, stats, loader;
- let camera, scene, renderer;
- let mesh;
- let spotLight;
- let mouseX = 0;
- let mouseY = 0;
- let targetX = 0;
- let targetY = 0;
- const windowHalfX = window.innerWidth / 2;
- const windowHalfY = window.innerHeight / 2;
- init();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- //
- camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 0.1, 100 );
- camera.position.z = 12;
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x060708 );
- // LIGHTS
- scene.add( new THREE.HemisphereLight( 0x8d7c7c, 0x494966, 3 ) );
- spotLight = new THREE.SpotLight( 0xffffde, 200 );
- spotLight.position.set( 3.5, 0, 7 );
- scene.add( spotLight );
- spotLight.castShadow = true;
- spotLight.shadow.mapSize.width = 2048;
- spotLight.shadow.mapSize.height = 2048;
- spotLight.shadow.camera.near = 2;
- spotLight.shadow.camera.far = 15;
- spotLight.shadow.camera.fov = 40;
- spotLight.shadow.bias = - 0.005;
- //
- const mapHeight = new THREE.TextureLoader().load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg' );
- const material = new THREE.MeshPhongMaterial( {
- color: 0x9c6e49,
- specular: 0x666666,
- shininess: 25,
- bumpMap: mapHeight,
- bumpScale: 10
- } );
- loader = new GLTFLoader();
- loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
- createScene( gltf.scene.children[ 0 ].geometry, 1, material );
- } );
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- container.appendChild( renderer.domElement );
- renderer.shadowMap.enabled = true;
- //
- stats = new Stats();
- container.appendChild( stats.dom );
- // EVENTS
- document.addEventListener( 'mousemove', onDocumentMouseMove );
- window.addEventListener( 'resize', onWindowResize );
- }
- function createScene( geometry, scale, material ) {
- mesh = new THREE.Mesh( geometry, material );
- mesh.position.y = - 0.5;
- mesh.scale.set( scale, scale, scale );
- mesh.castShadow = true;
- mesh.receiveShadow = true;
- scene.add( mesh );
- }
- //
- function onWindowResize() {
- renderer.setSize( window.innerWidth, window.innerHeight );
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- }
- function onDocumentMouseMove( event ) {
- mouseX = ( event.clientX - windowHalfX );
- mouseY = ( event.clientY - windowHalfY );
- }
- //
- function animate() {
- render();
- stats.update();
- }
- function render() {
- targetX = mouseX * .001;
- targetY = mouseY * .001;
- if ( mesh ) {
- mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
- mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );
- }
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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