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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 webgl - pmrem cubemap</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="example.css">
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+ </head>
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+ <body>
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+
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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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+
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+ <script type="module">
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+
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+ import * as THREE from 'three';
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+
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+ import { HDRCubeTextureLoader } from 'three/addons/loaders/HDRCubeTextureLoader.js';
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+
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+ import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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+
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+ let camera, scene, renderer;
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+
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+ init();
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+
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+ async function init() {
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+
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+ const container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.25, 20 );
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+ camera.position.set( 0, 0, 8 );
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+
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+ scene = new THREE.Scene();
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ renderer.setAnimationLoop( render );
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+ renderer.toneMapping = THREE.ACESFilmicToneMapping;
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+
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+ container.appendChild( renderer.domElement );
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+
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+ const controls = new OrbitControls( camera, renderer.domElement );
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+ controls.minDistance = 2;
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+ controls.maxDistance = 10;
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+ controls.update();
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+
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+ new HDRCubeTextureLoader()
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+ .setPath( './textures/cube/pisaHDR/' )
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+ .load( [ 'px.hdr', 'nx.hdr', 'py.hdr', 'ny.hdr', 'pz.hdr', 'nz.hdr' ], function ( map ) {
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+
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+ const pmremGenerator = new THREE.PMREMGenerator( renderer );
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+ const envMap = pmremGenerator.fromCubemap( map ).texture;
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+
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+ scene.background = envMap;
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+ scene.backgroundBlurriness = 0.5;
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+
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+ pmremGenerator.dispose();
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+
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+ const geometry = new THREE.SphereGeometry( 0.4, 64, 64 );
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+
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+ for ( let i = 0; i < 6; i ++ ) {
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+
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+ for ( let j = 0; j < 5; j ++ ) {
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+
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+ const material = new THREE.MeshPhysicalMaterial( {
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+ roughness: i / 5,
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+ metalness: j / 4,
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+ envMap: envMap
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+ } );
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+
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+ const mesh = new THREE.Mesh( geometry, material );
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+ mesh.position.x = i - 2.5;
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+ mesh.position.y = j - 2;
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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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+ window.addEventListener( 'resize', onWindowResize );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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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 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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+ </script>
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+
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+ </body>
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+</html>
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Mr.doob
