three.js/examples/webgpu_display_stereo.html at f9e33fa65eabb78b3866ea5275b9d8bd668e7887 · mrdoob/three.js · GitHub

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<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - stereo effects</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="example.css">
	</head>

	<body>
		<div id="info">
			<a href="https://threejs.org/" target="_blank" rel="noopener" class="logo-link"></a>

			<div class="title-wrapper">
				<a href="https://threejs.org/" target="_blank" rel="noopener">three.js</a><span>Stereo Effects</span>
			</div>

			<small>
				Collection of Stereo, Anaglyph and Parallax Barrier effects.
			</small>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/webgpu": "../build/three.webgpu.js",
					"three/tsl": "../build/three.tsl.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three/webgpu';

			import { stereoPass } from 'three/addons/tsl/display/StereoPassNode.js';
			import { anaglyphPass, AnaglyphAlgorithm, AnaglyphColorMode } from 'three/addons/tsl/display/AnaglyphPassNode.js';
			import { parallaxBarrierPass } from 'three/addons/tsl/display/ParallaxBarrierPassNode.js';
			import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
			import { Inspector } from 'three/addons/inspector/Inspector.js';

			let camera, scene, renderer, renderPipeline;

			let stereo, anaglyph, parallaxBarrier;

			let mesh, dummy, timer;

			let anaglyphFolder;

			const position = new THREE.Vector3();

			const params = {
				effect: 'stereo',
				eyeSep: 0.064,
				screenDistance: 3,
				anaglyphAlgorithm: 'dubois',
				anaglyphColorMode: 'redCyan'
			};

			const effects = { Stereo: 'stereo', Anaglyph: 'anaglyph', ParallaxBarrier: 'parallaxBarrier' };

			const anaglyphAlgorithms = {
				'True': AnaglyphAlgorithm.TRUE,
				'Grey': AnaglyphAlgorithm.GREY,
				'Colour': AnaglyphAlgorithm.COLOUR,
				'Half-Colour': AnaglyphAlgorithm.HALF_COLOUR,
				'Dubois': AnaglyphAlgorithm.DUBOIS,
				'Optimised': AnaglyphAlgorithm.OPTIMISED,
				'Compromise': AnaglyphAlgorithm.COMPROMISE
			};

			const anaglyphColorModes = {
				'Red / Cyan': AnaglyphColorMode.RED_CYAN,
				'Magenta / Cyan': AnaglyphColorMode.MAGENTA_CYAN,
				'Magenta / Green': AnaglyphColorMode.MAGENTA_GREEN
			};

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.z = 3;

				scene = new THREE.Scene();
				scene.background = new THREE.CubeTextureLoader()
					.setPath( 'textures/cube/Park3Med/' )
					.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );

				timer = new THREE.Timer();
				timer.connect( document );

				const geometry = new THREE.SphereGeometry( 0.1, 32, 16 );

				const textureCube = new THREE.CubeTextureLoader()
					.setPath( 'textures/cube/Park3Med/' )
					.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );

				const material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube } );

				mesh = new THREE.InstancedMesh( geometry, material, 500 );
				mesh.instanceMatrix.setUsage( THREE.DynamicDrawUsage );

				dummy = new THREE.Mesh();

				for ( let i = 0; i < 500; i ++ ) {

					dummy.position.x = Math.random() * 10 - 5;
					dummy.position.y = Math.random() * 10 - 5;
					dummy.position.z = Math.random() * 10 - 5;
					dummy.scale.x = dummy.scale.y = dummy.scale.z = Math.random() * 3 + 1;

					dummy.updateMatrix();

					mesh.setMatrixAt( i, dummy.matrix );

				}

				scene.add( mesh );

				//

				renderer = new THREE.WebGPURenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				renderer.inspector = new Inspector();
				document.body.appendChild( renderer.domElement );

				renderPipeline = new THREE.RenderPipeline( renderer );
				stereo = stereoPass( scene, camera );
				anaglyph = anaglyphPass( scene, camera );
				parallaxBarrier = parallaxBarrierPass( scene, camera );

				// Configure anaglyph for physically-correct stereo with zero parallax at scene center
				anaglyph.eyeSep = params.eyeSep;
				anaglyph.screenDistance = params.screenDistance;

				renderPipeline.outputNode = stereo;

				const gui = renderer.inspector.createParameters( 'Stereo Settings' );
				gui.add( params, 'effect', effects ).onChange( update );
				gui.add( params, 'eyeSep', 0.001, 0.15, 0.001 ).onChange( function ( value ) {

					stereo.stereo.eyeSep = value;
					anaglyph.eyeSep = value; // Anaglyph has direct eyeSep property
					parallaxBarrier.stereo.eyeSep = value;

				} );

				// Anaglyph-specific settings folder
				anaglyphFolder = gui.addFolder( 'Anaglyph Options' );
				anaglyphFolder.add( params, 'anaglyphAlgorithm', anaglyphAlgorithms ).name( 'Algorithm' ).onChange( function ( value ) {

					anaglyph.algorithm = value;

				} );
				anaglyphFolder.add( params, 'anaglyphColorMode', anaglyphColorModes ).name( 'Color Mode' ).onChange( function ( value ) {

					anaglyph.colorMode = value;

				} );
				anaglyphFolder.add( params, 'screenDistance', 0.5, 10, 0.1 ).name( 'Screen Distance' ).onChange( function ( value ) {

					anaglyph.screenDistance = value;

				} );
				anaglyphFolder.paramList.domElement.style.display = 'none';

				window.addEventListener( 'resize', onWindowResize );

				const controls = new OrbitControls( camera, renderer.domElement );
				controls.minDistance = 1;
				controls.maxDistance = 25;

			}

			function update( value ) {

				if ( value === 'stereo' ) {

					renderPipeline.outputNode = stereo;
					anaglyphFolder.paramList.domElement.style.display = 'none';

				} else if ( value === 'anaglyph' ) {

					renderPipeline.outputNode = anaglyph;
					anaglyphFolder.paramList.domElement.style.display = '';

				} else if ( value === 'parallaxBarrier' ) {

					renderPipeline.outputNode = parallaxBarrier;
					anaglyphFolder.paramList.domElement.style.display = 'none';

				}

				renderPipeline.needsUpdate = true;

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function extractPosition( matrix, position ) {

				position.x = matrix.elements[ 12 ];
				position.y = matrix.elements[ 13 ];
				position.z = matrix.elements[ 14 ];

			}

			function animate() {

				timer.update();

				const elapsedTime = timer.getElapsed() * 0.1;

				for ( let i = 0; i < mesh.count; i ++ ) {

					mesh.getMatrixAt( i, dummy.matrix );

					extractPosition( dummy.matrix, position );

					position.x = 5 * Math.cos( elapsedTime + i );
					position.y = 5 * Math.sin( elapsedTime + i * 1.1 );

					dummy.matrix.setPosition( position );

					mesh.setMatrixAt( i, dummy.matrix );

					mesh.instanceMatrix.needsUpdate = true;

				}

				renderPipeline.render();

			}

		</script>

	</body>
</html>