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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - equirectangular video panorama</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="main.css">
- </head>
- <body>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - video panorama
- </div>
- <div id="container"></div>
- <video id="video" loop muted crossOrigin="anonymous" playsinline style="display:none">
- <source src="textures/pano.webm">
- <source src="textures/pano.mp4">
- </video>
- <script type="module">
- import * as THREE from '../build/three.module.js';
- var camera, scene, renderer;
- var isUserInteracting = false,
- lon = 0, lat = 0,
- phi = 0, theta = 0,
- distance = 50,
- onPointerDownPointerX = 0,
- onPointerDownPointerY = 0,
- onPointerDownLon = 0,
- onPointerDownLat = 0;
- init();
- animate();
- function init() {
- var container, mesh;
- container = document.getElementById( 'container' );
- camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );
- camera.target = new THREE.Vector3( 0, 0, 0 );
- scene = new THREE.Scene();
- var geometry = new THREE.SphereBufferGeometry( 500, 60, 40 );
- // invert the geometry on the x-axis so that all of the faces point inward
- geometry.scale( - 1, 1, 1 );
- var video = document.getElementById( 'video' );
- video.play();
- var texture = new THREE.VideoTexture( video );
- var material = new THREE.MeshBasicMaterial( { map: texture } );
- mesh = new THREE.Mesh( geometry, material );
- scene.add( mesh );
- renderer = new THREE.WebGLRenderer();
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- document.addEventListener( 'mousedown', onDocumentMouseDown, false );
- document.addEventListener( 'mousemove', onDocumentMouseMove, false );
- document.addEventListener( 'mouseup', onDocumentMouseUp, false );
- document.addEventListener( 'wheel', onDocumentMouseWheel, false );
- //
- window.addEventListener( 'resize', onWindowResize, false );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function onDocumentMouseDown( event ) {
- event.preventDefault();
- isUserInteracting = true;
- onPointerDownPointerX = event.clientX;
- onPointerDownPointerY = event.clientY;
- onPointerDownLon = lon;
- onPointerDownLat = lat;
- }
- function onDocumentMouseMove( event ) {
- if ( isUserInteracting === true ) {
- lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
- lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
- }
- }
- function onDocumentMouseUp() {
- isUserInteracting = false;
- }
- function onDocumentMouseWheel( event ) {
- distance += event.deltaY * 0.05;
- distance = THREE.MathUtils.clamp( distance, 1, 50 );
- }
- function animate() {
- requestAnimationFrame( animate );
- update();
- }
- function update() {
- lat = Math.max( - 85, Math.min( 85, lat ) );
- phi = THREE.MathUtils.degToRad( 90 - lat );
- theta = THREE.MathUtils.degToRad( lon );
- camera.position.x = distance * Math.sin( phi ) * Math.cos( theta );
- camera.position.y = distance * Math.cos( phi );
- camera.position.z = distance * Math.sin( phi ) * Math.sin( theta );
- camera.lookAt( camera.target );
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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