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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 - materials - video - webcam</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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+ <style>
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+ body {
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+ background-color: #000;
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+ color: #fff;
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+ margin: 0px;
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+ overflow: hidden;
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+ font-family:Monospace;
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+ font-size:13px;
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+ text-align:center;
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+ font-weight: bold;
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+ text-align:center;
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+ }
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+
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+ a {
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+ color:#0078ff;
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+ }
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+
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+ #info {
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+ color:#fff;
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+ position: absolute;
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+ top: 5px; width: 100%;
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+ z-index:100;
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+ }
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+
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+ </style>
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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> - webgl video webcam input
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+ </div>
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+
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+ <script src="../build/three.js"></script>
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+ <script src="../examples/js/controls/OrbitControls.js"></script>
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+ <script src="js/Detector.js"></script>
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+
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+ <video id="video" autoplay style="display:none"></video>
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+
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+ <script>
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+
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+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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+
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+ var camera, scene, renderer, video;
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+
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+ init();
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+ animate();
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+
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+ function init() {
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+
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+ camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
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+ camera.position.z = 0.01;
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+
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+ scene = new THREE.Scene();
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+
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+ video = document.getElementById( 'video' );
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+ var texture = new THREE.VideoTexture( video );
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+ texture.minFilter = THREE.LinearFilter;
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+ texture.magFilter = THREE.LinearFilter;
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+ texture.format = THREE.RGBFormat;
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+
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+ var geometry = new THREE.PlaneBufferGeometry( 16, 9 );
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+ geometry.scale( 0.5, 0.5, 0.5 );
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+ var material = new THREE.MeshBasicMaterial( { map: texture } );
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+
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+ var count = 128;
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+ var radius = 32;
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+
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+ var spherical = new THREE.Spherical();
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+
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+ for ( var i = 1, l = count; i <= l; i ++ ) {
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+
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+ var phi = Math.acos( - 1 + ( 2 * i ) / l );
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+ var theta = Math.sqrt( l * Math.PI ) * phi;
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+
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+ spherical.set( radius, phi, theta );
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+
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+ var mesh = new THREE.Mesh( geometry, material );
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+ mesh.position.setFromSpherical( spherical );
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+ mesh.lookAt( camera.position );
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+ scene.add( mesh );
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+
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+ }
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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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+ document.body.appendChild( renderer.domElement );
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+
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+ var controls = new THREE.OrbitControls( camera, renderer.domElement );
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+ controls.enableZoom = false;
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+ controls.enablePan = false;
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ //
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+
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+ if ( navigator.mediaDevices && navigator.mediaDevices.getUserMedia ) {
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+
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+ var constraints = { video: { width: 1280, height: 720, facingMode: 'user' } };
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+
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+ navigator.mediaDevices.getUserMedia( constraints ).then( function( stream ) {
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+
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+ // apply the stream to the video element used in the texture
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+
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+ video.src = window.URL.createObjectURL( stream );
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+ video.play();
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+
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+ } ).catch( function( error ) {
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+
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+ console.error( 'Unable to access the camera/webcam.', error );
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+
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+ } );
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+
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+ } else {
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+
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+ console.error( 'MediaDevices interface not avaiable.' );
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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 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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+ requestAnimationFrame( animate );
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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