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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 vr - shadows</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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+ <meta property="og:title" content="three.js vr - shadows">
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+ <meta property="og:type" content="website">
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+ <meta property="og:url" content="https://threejs.org/examples/webgpu_xr_shadows.html">
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+ <meta property="og:image" content="https://threejs.org/examples/screenshots/webgpu_xr_shadows.jpg">
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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="info">
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+ <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> vr - shadows
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+ </div>
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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.webgpu.js",
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+ "three/webgpu": "../build/three.webgpu.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/webgpu';
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+
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+ import { VRButton } from 'three/addons/webxr/VRButton.js';
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+ import { setupWebGLXRFallback } from 'three/addons/webxr/WebGLXRFallback.js';
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+
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+ const rendererParameters = { antialias: true, outputBufferType: THREE.UnsignedByteType, multiview: false };
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+ const timer = new THREE.Timer();
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+ timer.connect( document );
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+
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+ let camera, cameraRig, scene, renderer;
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+ let directionalLight, torusKnot, box, icosahedron, cone;
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+
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+ init();
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+
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+ function init() {
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+
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+ scene = new THREE.Scene();
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+ scene.background = new THREE.Color( 0x24282f );
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+ scene.fog = new THREE.Fog( 0x24282f, 8, 16 );
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+
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+ camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 0.1, 30 );
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+ camera.position.y = 1.6;
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+
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+ cameraRig = new THREE.Group();
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+ cameraRig.position.z = 4;
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+ cameraRig.add( camera );
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+ scene.add( cameraRig );
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+
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+ // lights
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+
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+ scene.add( new THREE.HemisphereLight( 0xb8c5df, 0x3c3028, 1.5 ) );
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+
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+ directionalLight = new THREE.DirectionalLight( 0xfff1d6, 4 );
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+ directionalLight.position.set( - 4, 6, 2 );
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+ directionalLight.castShadow = true;
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+ directionalLight.shadow.camera.near = 0.1;
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+ directionalLight.shadow.camera.far = 15;
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+ directionalLight.shadow.camera.left = - 5;
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+ directionalLight.shadow.camera.right = 5;
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+ directionalLight.shadow.camera.top = 5;
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+ directionalLight.shadow.camera.bottom = - 5;
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+ directionalLight.shadow.mapSize.set( 2048, 2048 );
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+ directionalLight.shadow.bias = - 0.0005;
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+ scene.add( directionalLight );
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+ scene.add( directionalLight.target );
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+
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+ // environment
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+
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+ const floor = new THREE.Mesh(
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+ new THREE.PlaneGeometry( 14, 14 ),
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+ new THREE.MeshStandardMaterial( { color: 0x73786f, roughness: 0.9 } )
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+ );
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+ floor.rotation.x = - Math.PI / 2;
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+ floor.receiveShadow = true;
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+ scene.add( floor );
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+
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+ const platform = new THREE.Mesh(
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+ new THREE.CylinderGeometry( 1.25, 1.4, 0.3, 64 ),
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+ new THREE.MeshStandardMaterial( { color: 0x40464d, roughness: 0.6, metalness: 0.2 } )
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+ );
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+ platform.position.y = 0.15;
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+ platform.castShadow = true;
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+ platform.receiveShadow = true;
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+ scene.add( platform );
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+
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+ // shadow casters
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+
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+ torusKnot = new THREE.Mesh(
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+ new THREE.TorusKnotGeometry( 0.55, 0.18, 128, 24 ),
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+ new THREE.MeshStandardMaterial( { color: 0xe7ad52, roughness: 0.25, metalness: 0.35 } )
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+ );
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+ torusKnot.position.y = 1.35;
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+ torusKnot.castShadow = true;
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+ torusKnot.receiveShadow = true;
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+ scene.add( torusKnot );
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+
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+ box = new THREE.Mesh(
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+ new THREE.BoxGeometry( 0.7, 0.7, 0.7 ),
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+ new THREE.MeshStandardMaterial( { color: 0xd85f50, roughness: 0.5 } )
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+ );
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+ box.position.set( - 1.8, 0.6, 0.25 );
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+ box.rotation.set( 0.2, 0.4, 0.1 );
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+ box.castShadow = true;
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+ box.receiveShadow = true;
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+ scene.add( box );
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+
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+ icosahedron = new THREE.Mesh(
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+ new THREE.IcosahedronGeometry( 0.5, 2 ),
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+ new THREE.MeshStandardMaterial( { color: 0x4f91b8, roughness: 0.35, metalness: 0.15 } )
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+ );
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+ icosahedron.position.set( 1.8, 0.7, 0.1 );
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+ icosahedron.castShadow = true;
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+ icosahedron.receiveShadow = true;
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+ scene.add( icosahedron );
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+
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+ cone = new THREE.Mesh(
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+ new THREE.ConeGeometry( 0.5, 1.1, 48 ),
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+ new THREE.MeshStandardMaterial( { color: 0x68a66b, roughness: 0.65 } )
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+ );
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+ cone.position.set( 0, 0.55, - 2 );
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+ cone.castShadow = true;
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+ cone.receiveShadow = true;
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+ scene.add( cone );
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+
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+ // renderer
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+
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+ renderer = createRenderer();
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+ setRenderer( renderer );
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+ setupWebGLXRFallback( renderer, () => createRenderer( true ), setRenderer );
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+
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+ document.body.appendChild( VRButton.createButton( renderer, { optionalFeatures: [ 'webgpu' ] } ) );
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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 createRenderer( forceWebGL = false ) {
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+
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+ const parameters = { ...rendererParameters };
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+
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+ if ( forceWebGL === true ) parameters.forceWebGL = true;
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+
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+ const renderer = new THREE.WebGPURenderer( parameters );
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ renderer.setAnimationLoop( animate );
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+ renderer.shadowMap.enabled = true;
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+ renderer.shadowMap.type = THREE.PCFShadowMap;
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+ renderer.toneMapping = THREE.ACESFilmicToneMapping;
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+ renderer.toneMappingExposure = 1.2;
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+ renderer.xr.enabled = true;
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+
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+ return renderer;
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+
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+ }
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+
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+ function setRenderer( newRenderer, oldRenderer = null ) {
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+
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+ if ( oldRenderer === null ) {
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+
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+ document.body.appendChild( newRenderer.domElement );
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+
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+ } else {
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+
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+ document.body.replaceChild( newRenderer.domElement, oldRenderer.domElement );
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+ oldRenderer.dispose();
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+
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+ }
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+
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+ renderer = newRenderer;
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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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+ function animate() {
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+
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+ timer.update();
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+
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+ const elapsed = timer.getElapsed();
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+ const delta = timer.getDelta();
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+
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+ torusKnot.position.y = 1.35 + Math.sin( elapsed * 1.5 ) * 0.15;
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+ torusKnot.rotation.x += delta * 0.35;
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+ torusKnot.rotation.y += delta * 0.7;
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+
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+ box.rotation.y += delta * 0.4;
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+ icosahedron.rotation.x += delta * 0.3;
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+ icosahedron.rotation.y -= delta * 0.5;
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+ cone.rotation.y -= delta * 0.35;
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+
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+ directionalLight.position.x = Math.cos( elapsed * 0.25 ) * 4;
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+ directionalLight.position.z = Math.sin( elapsed * 0.25 ) * 4;
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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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+ </body>
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+</html>
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Rik Cabanier
