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+<!DOCTYPE html>
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+<html lang="en">
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+ <head>
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+ <title>three.js PMREM directional light test</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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+
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+ <div id="container">
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+ <div id="info">
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+ <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> -
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+ PMREM directional light test <a href="https://github.com/elalish" target="_blank" rel="noopener">Emmett Lalish</a>
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+ </div>
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+ </div>
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+
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+ <script type="module">
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+
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+ import * as THREE from '../build/three.module.js';
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+
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+ import { OrbitControls } from './jsm/controls/OrbitControls.js';
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+ import { RGBELoader } from './jsm/loaders/RGBELoader.js';
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+ import { PMREMGenerator } from './jsm/pmrem/PMREMGenerator.js';
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+
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+ var scene, camera, controls, renderer;
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+
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+ function init() {
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+
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+ var width = window.innerWidth;
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+ var height = window.innerHeight;
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+ var aspect = width / height;
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+
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+ // renderer
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setSize( width, height );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.gammaOutput = true;
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+ document.body.appendChild( renderer.domElement );
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+
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+ window.addEventListener( 'resize', onResize, false );
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+
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+ // scene
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+
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+ scene = new THREE.Scene();
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+
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+ // camera
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+
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+ camera = new THREE.PerspectiveCamera( 40, aspect, 1, 30 );
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+ camera.position.set( 0, 0, 18 );
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+
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+ // controls
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+
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+ controls = new OrbitControls( camera, renderer.domElement );
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+ controls.update();
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+
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+ // light
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+
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+ var directionalLight = new THREE.DirectionalLight( 0xffffff, 1 );
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+ var x = 597;
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+ var y = 213;
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+ var theta = (x + 0.5) * Math.PI / 512;
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+ var phi = (y + 0.5) * Math.PI / 512;
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+ directionalLight.position.set(
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+ -Math.sin(phi) * Math.cos(theta),
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+ Math.cos(phi),
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+ -Math.sin(phi) * Math.sin(theta));
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+ scene.add( directionalLight );
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+
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+ document.body.addEventListener( 'mouseover', function () {
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+
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+ scene.traverse( function ( child ) {
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+
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+ if ( child.isMesh ) {
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+
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+ child.material.envMapIntensity = 1;
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+ directionalLight.intensity = 0;
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+
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+ }
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+
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+ } );
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+
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+ } );
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+
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+ document.body.addEventListener( 'mouseout', function () {
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+
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+ scene.traverse( function ( child ) {
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+
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+ if ( child.isMesh ) {
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+
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+ child.material.envMapIntensity = 0;
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+ directionalLight.intensity = 1;
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+
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+ }
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+
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+ } );
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+
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+ } );
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+
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+ }
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+
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+ function createObjects() {
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+
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+ var radianceMap = null;
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+ new RGBELoader()
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+ .setDataType( THREE.UnsignedByteType )
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+ .setPath( 'textures/equirectangular/' )
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+ .load( 'pedestrian_overpass_1k.hdr', function ( texture ) {
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+
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+ var pmremGenerator = new PMREMGenerator( renderer );
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+ radianceMap = pmremGenerator.fromEquirectangular( texture ).texture;
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+ pmremGenerator.dispose();
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+
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+ scene.background = radianceMap;
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+
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+ var geometry = new THREE.SphereBufferGeometry( 0.4, 32, 32 );
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+
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+ for ( var x = 0; x <= 10; x ++ ) {
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+
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+ for ( var y = 0; y <= 2; y ++ ) {
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+
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+ var material = new THREE.MeshPhysicalMaterial( {
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+ roughness: x / 10,
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+ metalness: y < 1 ? 1 : 0,
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+ color: y < 2 ? 0xffffff : 0x000000,
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+ envMap: radianceMap,
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+ envMapIntensity: 1
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+ } );
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+
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+ var mesh = new THREE.Mesh( geometry, material );
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+ mesh.position.x = x - 5;
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+ mesh.position.y = 1 - y;
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+ scene.add( mesh );
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+
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+ }
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+
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+ }
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+
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+ } );
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+
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+ }
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+
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+ function onResize() {
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+
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+ var width = window.innerWidth;
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+ var height = window.innerHeight;
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+
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+ camera.aspect = width / height;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( width, height );
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+
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+ }
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+
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+ function animate() {
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+
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+ renderer.setAnimationLoop( render );
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+
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+ }
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+
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+ function render() {
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+
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+ renderer.render( scene, camera );
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+
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+ }
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+
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+ Promise.resolve()
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+ .then( init )
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+ .then( createObjects )
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+ .then( animate );
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+
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+ </script>
|
|
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+ </body>
|
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+</html>
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Emmett Lalish