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158 lines
3.7 KiB
158 lines
3.7 KiB
2 years ago
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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 - equirectangular video panorama</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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<link type="text/css" rel="stylesheet" href="main.css">
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<style>
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body {
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touch-action: none;
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}
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</style>
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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> - video panorama
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</div>
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<div id="container"></div>
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<video id="video" loop muted crossOrigin="anonymous" playsinline style="display:none">
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<source src="textures/pano.webm">
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<source src="textures/pano.mp4">
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</video>
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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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let camera, scene, renderer;
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let isUserInteracting = false,
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lon = 0, lat = 0,
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phi = 0, theta = 0,
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onPointerDownPointerX = 0,
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onPointerDownPointerY = 0,
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onPointerDownLon = 0,
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onPointerDownLat = 0;
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const distance = 50;
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init();
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animate();
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function init() {
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const container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 1100 );
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scene = new THREE.Scene();
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const geometry = new THREE.SphereGeometry( 500, 60, 40 );
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// invert the geometry on the x-axis so that all of the faces point inward
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geometry.scale( - 1, 1, 1 );
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const video = document.getElementById( 'video' );
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video.play();
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const texture = new THREE.VideoTexture( video );
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const material = new THREE.MeshBasicMaterial( { map: texture } );
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const mesh = new THREE.Mesh( geometry, material );
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scene.add( mesh );
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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document.addEventListener( 'pointerdown', onPointerDown );
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document.addEventListener( 'pointermove', onPointerMove );
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document.addEventListener( 'pointerup', onPointerUp );
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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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function onPointerDown( event ) {
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isUserInteracting = true;
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onPointerDownPointerX = event.clientX;
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onPointerDownPointerY = event.clientY;
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onPointerDownLon = lon;
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onPointerDownLat = lat;
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}
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function onPointerMove( event ) {
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if ( isUserInteracting === true ) {
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lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
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lat = ( onPointerDownPointerY - event.clientY ) * 0.1 + onPointerDownLat;
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}
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}
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function onPointerUp() {
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isUserInteracting = false;
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}
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function animate() {
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requestAnimationFrame( animate );
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update();
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}
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function update() {
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lat = Math.max( - 85, Math.min( 85, lat ) );
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phi = THREE.MathUtils.degToRad( 90 - lat );
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theta = THREE.MathUtils.degToRad( lon );
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camera.position.x = distance * Math.sin( phi ) * Math.cos( theta );
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camera.position.y = distance * Math.cos( phi );
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camera.position.z = distance * Math.sin( phi ) * Math.sin( theta );
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camera.lookAt( 0, 0, 0 );
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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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