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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>
- <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 { OutputPass } from 'three/addons/postprocessing/OutputPass.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();
- function init() {
- container = document.createElement( 'div' );
- document.body.appendChild( container );
- camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
- camera.position.z = 12;
- scene = new THREE.Scene();
- scene.background = new THREE.Color( 0x494949 );
- // LIGHTS
- ambientLight = new THREE.AmbientLight( 0xffffff );
- scene.add( ambientLight );
- pointLight = new THREE.PointLight( 0xffffff, 30 );
- pointLight.position.set( 0, 0, 6 );
- scene.add( pointLight );
- directionalLight = new THREE.DirectionalLight( 0xffffff, 3 );
- 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.colorSpace = THREE.SRGBColorSpace;
- const specularMap = textureLoader.load( 'models/gltf/LeePerrySmith/Map-SPEC.jpg' );
- specularMap.colorSpace = THREE.SRGBColorSpace;
- const normalMap = textureLoader.load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg' );
- const material = new THREE.MeshPhongMaterial( {
- color: 0xefefef,
- 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 ) {
- const geometry = gltf.scene.children[ 0 ].geometry;
- mesh = new THREE.Mesh( geometry, material );
- mesh.position.y = - 0.5;
- scene.add( mesh );
- } );
- renderer = new THREE.WebGLRenderer();
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setAnimationLoop( animate );
- 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 );
- const outputPass = new OutputPass();
- effectFXAA = new ShaderPass( FXAAShader );
- 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( effectBleach );
- composer.addPass( effectColor );
- composer.addPass( outputPass );
- composer.addPass( effectFXAA );
- // EVENTS
- document.addEventListener( 'mousemove', onDocumentMouseMove );
- window.addEventListener( 'resize', onWindowResize );
- }
- //
- 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() {
- 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>
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