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229 lines
6.0 KiB
229 lines
6.0 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - normal map [Lee Perry-Smith]</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl normalmap demo.<br/>
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<a href="https://casual-effects.com/data/" target="_blank" rel="noopener">Lee Perry-Smith</a> head.
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { ShaderPass } from 'three/addons/postprocessing/ShaderPass.js';
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import { BleachBypassShader } from 'three/addons/shaders/BleachBypassShader.js';
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import { ColorCorrectionShader } from 'three/addons/shaders/ColorCorrectionShader.js';
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import { FXAAShader } from 'three/addons/shaders/FXAAShader.js';
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import { GammaCorrectionShader } from 'three/addons/shaders/GammaCorrectionShader.js';
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let container, stats, loader;
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let camera, scene, renderer;
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let mesh;
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let directionalLight, pointLight, ambientLight;
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let mouseX = 0;
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let mouseY = 0;
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let targetX = 0;
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let targetY = 0;
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const windowHalfX = window.innerWidth / 2;
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const windowHalfY = window.innerHeight / 2;
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let composer, effectFXAA;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 1200;
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0x111111 );
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// LIGHTS
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ambientLight = new THREE.AmbientLight( 0x444444 );
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scene.add( ambientLight );
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pointLight = new THREE.PointLight( 0xffffff, 2, 1000 );
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pointLight.position.set( 0, 0, 600 );
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scene.add( pointLight );
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directionalLight = new THREE.DirectionalLight( 0xffffff );
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directionalLight.position.set( 1, - 0.5, - 1 );
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scene.add( directionalLight );
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const textureLoader = new THREE.TextureLoader();
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const diffuseMap = textureLoader.load( 'models/gltf/LeePerrySmith/Map-COL.jpg' );
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diffuseMap.encoding = THREE.sRGBEncoding;
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const specularMap = textureLoader.load( 'models/gltf/LeePerrySmith/Map-SPEC.jpg' );
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specularMap.encoding = THREE.sRGBEncoding;
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const normalMap = textureLoader.load( 'models/gltf/LeePerrySmith/Infinite-Level_02_Tangent_SmoothUV.jpg' );
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const material = new THREE.MeshPhongMaterial( {
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color: 0xdddddd,
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specular: 0x222222,
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shininess: 35,
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map: diffuseMap,
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specularMap: specularMap,
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normalMap: normalMap,
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normalScale: new THREE.Vector2( 0.8, 0.8 )
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} );
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loader = new GLTFLoader();
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loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
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createScene( gltf.scene.children[ 0 ].geometry, 100, material );
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} );
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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//
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stats = new Stats();
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container.appendChild( stats.dom );
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// COMPOSER
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renderer.autoClear = false;
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const renderModel = new RenderPass( scene, camera );
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const effectBleach = new ShaderPass( BleachBypassShader );
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const effectColor = new ShaderPass( ColorCorrectionShader );
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effectFXAA = new ShaderPass( FXAAShader );
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const gammaCorrection = new ShaderPass( GammaCorrectionShader );
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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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effectBleach.uniforms[ 'opacity' ].value = 0.2;
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effectColor.uniforms[ 'powRGB' ].value.set( 1.4, 1.45, 1.45 );
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effectColor.uniforms[ 'mulRGB' ].value.set( 1.1, 1.1, 1.1 );
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const renderTarget = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, { type: THREE.HalfFloatType, depthTexture: new THREE.DepthTexture() } );
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composer = new EffectComposer( renderer, renderTarget );
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composer.addPass( renderModel );
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composer.addPass( effectFXAA );
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composer.addPass( effectBleach );
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composer.addPass( effectColor );
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composer.addPass( gammaCorrection );
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// EVENTS
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document.addEventListener( 'mousemove', onDocumentMouseMove );
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window.addEventListener( 'resize', onWindowResize );
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}
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function createScene( geometry, scale, material ) {
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mesh = new THREE.Mesh( geometry, material );
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mesh.position.y = - 50;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
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scene.add( mesh );
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}
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//
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function onWindowResize() {
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const width = window.innerWidth;
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const height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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composer.setSize( width, height );
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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height );
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}
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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX );
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mouseY = ( event.clientY - windowHalfY );
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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targetX = mouseX * .001;
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targetY = mouseY * .001;
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if ( mesh ) {
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mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
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mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );
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}
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composer.render();
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}
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</script>
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</body>
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</html>
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