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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>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<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';
const statsEnabled = true;
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();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
//
camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 1200;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0x060708 );
// LIGHTS
scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
spotLight = new THREE.SpotLight( 0xffffbb, 2 );
spotLight.position.set( 0.5, 0, 1 );
spotLight.position.multiplyScalar( 700 );
scene.add( spotLight );
spotLight.castShadow = true;
spotLight.shadow.mapSize.width = 2048;
spotLight.shadow.mapSize.height = 2048;
spotLight.shadow.camera.near = 200;
spotLight.shadow.camera.far = 1500;
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: 0x552811,
specular: 0x222222,
shininess: 25,
bumpMap: mapHeight,
bumpScale: 12
} );
loader = new GLTFLoader();
loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
createScene( gltf.scene.children[ 0 ].geometry, 100, material );
} );
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
renderer.shadowMap.enabled = true;
renderer.outputEncoding = THREE.sRGBEncoding;
//
if ( statsEnabled ) {
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 = - 50;
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() {
requestAnimationFrame( animate );
render();
if ( statsEnabled ) 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>