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188 lines
4.7 KiB
188 lines
4.7 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js ar - lighting estimation</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
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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> ar - Lighting Estimation<br/>
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(Chrome Android 90+)
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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 { RGBELoader } from 'three/addons/loaders/RGBELoader.js';
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import { ARButton } from 'three/addons/webxr/ARButton.js';
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import { XREstimatedLight } from 'three/addons/webxr/XREstimatedLight.js';
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let camera, scene, renderer;
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let controller;
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let defaultEnvironment;
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init();
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animate();
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 0.01, 20 );
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const defaultLight = new THREE.HemisphereLight( 0xffffff, 0xbbbbff, 1 );
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defaultLight.position.set( 0.5, 1, 0.25 );
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scene.add( defaultLight );
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//
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renderer = new THREE.WebGLRenderer( { antialias: true, alpha: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.outputEncoding = THREE.sRGBEncoding;
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renderer.physicallyCorrectLights = true;
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renderer.xr.enabled = true;
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container.appendChild( renderer.domElement );
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// Don't add the XREstimatedLight to the scene initially.
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// It doesn't have any estimated lighting values until an AR session starts.
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const xrLight = new XREstimatedLight( renderer );
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xrLight.addEventListener( 'estimationstart', () => {
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// Swap the default light out for the estimated one one we start getting some estimated values.
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scene.add( xrLight );
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scene.remove( defaultLight );
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// The estimated lighting also provides an environment cubemap, which we can apply here.
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if ( xrLight.environment ) {
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scene.environment = xrLight.environment;
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}
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} );
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xrLight.addEventListener( 'estimationend', () => {
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// Swap the lights back when we stop receiving estimated values.
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scene.add( defaultLight );
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scene.remove( xrLight );
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// Revert back to the default environment.
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scene.environment = defaultEnvironment;
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} );
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//
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new RGBELoader()
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.setPath( 'textures/equirectangular/' )
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.load( 'royal_esplanade_1k.hdr', function ( texture ) {
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texture.mapping = THREE.EquirectangularReflectionMapping;
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defaultEnvironment = texture;
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scene.environment = defaultEnvironment;
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} );
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//
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// In order for lighting estimation to work, 'light-estimation' must be included as either an optional or required feature.
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document.body.appendChild( ARButton.createButton( renderer, { optionalFeatures: [ 'light-estimation' ] } ) );
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//
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const ballGeometry = new THREE.SphereGeometry( 0.175, 32, 32 );
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const ballGroup = new THREE.Group();
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ballGroup.position.z = - 2;
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const rows = 3;
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const cols = 3;
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for ( let i = 0; i < rows; i ++ ) {
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for ( let j = 0; j < cols; j ++ ) {
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const ballMaterial = new THREE.MeshStandardMaterial( {
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color: 0xdddddd,
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roughness: i / rows,
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metalness: j / cols
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} );
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const ballMesh = new THREE.Mesh( ballGeometry, ballMaterial );
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ballMesh.position.set( ( i + 0.5 - rows * 0.5 ) * 0.4, ( j + 0.5 - cols * 0.5 ) * 0.4, 0 );
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ballGroup.add( ballMesh );
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}
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}
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scene.add( ballGroup );
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//
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function onSelect() {
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ballGroup.position.set( 0, 0, - 2 ).applyMatrix4( controller.matrixWorld );
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ballGroup.quaternion.setFromRotationMatrix( controller.matrixWorld );
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}
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controller = renderer.xr.getController( 0 );
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controller.addEventListener( 'select', onSelect );
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scene.add( controller );
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//
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window.addEventListener( 'resize', onWindowResize );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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//
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function animate() {
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renderer.setAnimationLoop( render );
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}
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function render() {
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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