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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - normal 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> - webgl normalmap demo.<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';
import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js';
import { BleachBypassShader } from 'three/addons/shaders/BleachBypassShader.js';
import { ColorCorrectionShader } from 'three/addons/shaders/ColorCorrectionShader.js';
import { FXAAShader } from 'three/addons/shaders/FXAAShader.js';
import { GammaCorrectionShader } from 'three/addons/shaders/GammaCorrectionShader.js';
let container, stats, loader;
let camera, scene, renderer;
let mesh;
let directionalLight, pointLight, ambientLight;
let mouseX = 0;
let mouseY = 0;
let targetX = 0;
let targetY = 0;
const windowHalfX = window.innerWidth / 2;
const windowHalfY = window.innerHeight / 2;
let composer, effectFXAA;
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( 0x111111 );
// LIGHTS
ambientLight = new THREE.AmbientLight( 0x444444 );
scene.add( ambientLight );
pointLight = new THREE.PointLight( 0xffffff, 2, 1000 );
pointLight.position.set( 0, 0, 600 );
scene.add( pointLight );
directionalLight = new THREE.DirectionalLight( 0xffffff );
directionalLight.position.set( 1, - 0.5, - 1 );
scene.add( directionalLight );
const textureLoader = new THREE.TextureLoader();
const diffuseMap = textureLoader.load( 'models/gltf/LeePerrySmith/Map-COL.jpg' );
diffuseMap.encoding = THREE.sRGBEncoding;
const specularMap = textureLoader.load( 'models/gltf/LeePerrySmith/Map-SPEC.jpg' );
specularMap.encoding = THREE.sRGBEncoding;
const normalMap = textureLoader.load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg' );
const material = new THREE.MeshPhongMaterial( {
color: 0xdddddd,
specular: 0x222222,
shininess: 35,
map: diffuseMap,
specularMap: specularMap,
normalMap: normalMap,
normalScale: new THREE.Vector2( 0.8, 0.8 )
} );
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.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//
stats = new Stats();
container.appendChild( stats.dom );
// COMPOSER
renderer.autoClear = false;
const renderModel = new RenderPass( scene, camera );
const effectBleach = new ShaderPass( BleachBypassShader );
const effectColor = new ShaderPass( ColorCorrectionShader );
effectFXAA = new ShaderPass( FXAAShader );
const gammaCorrection = new ShaderPass( GammaCorrectionShader );
effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
effectBleach.uniforms[ 'opacity' ].value = 0.2;
effectColor.uniforms[ 'powRGB' ].value.set( 1.4, 1.45, 1.45 );
effectColor.uniforms[ 'mulRGB' ].value.set( 1.1, 1.1, 1.1 );
const renderTarget = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, { type: THREE.HalfFloatType, depthTexture: new THREE.DepthTexture() } );
composer = new EffectComposer( renderer, renderTarget );
composer.addPass( renderModel );
composer.addPass( effectFXAA );
composer.addPass( effectBleach );
composer.addPass( effectColor );
composer.addPass( gammaCorrection );
// 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.x = mesh.scale.y = mesh.scale.z = scale;
scene.add( mesh );
}
//
function onWindowResize() {
const width = window.innerWidth;
const height = window.innerHeight;
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize( width, height );
composer.setSize( width, height );
effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height );
}
function onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY );
}
//
function animate() {
requestAnimationFrame( 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 );
}
composer.render();
}
</script>
</body>
</html>