mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
172 lines
3.9 KiB
HTML
172 lines
3.9 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>three.js webgl - equirectangular panorama demo</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: #000000;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 0px; width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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font-weight: bold;
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text-align:center;
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}
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a {
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color: #ffffff;
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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="container"></div>
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<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js webgl</a> - equirectangular panorama demo. photo by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank">Jón Ragnarsson</a>.</div>
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<script src="../build/Three.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script>
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var camera, scene, renderer;
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var fov = 70,
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texture_placeholder,
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isUserInteracting = false,
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onMouseDownMouseX = 0, onMouseDownMouseY = 0,
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lon = 0, onMouseDownLon = 0,
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lat = 0, onMouseDownLat = 0,
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phi = 0, theta = 0;
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init();
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animate();
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function init() {
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var container, mesh;
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container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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camera.target = new THREE.Vector3( 0, 0, 0 );
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scene = new THREE.Scene();
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mesh = new THREE.Mesh( new THREE.SphereGeometry( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/2294472375_24a3b8ef46_o.jpg' ) } ) );
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mesh.scale.x = -1;
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scene.add( mesh );
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renderer = new THREE.WebGLRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
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document.addEventListener( 'DOMMouseScroll', onDocumentMouseWheel, false);
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}
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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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 onDocumentMouseMove( event ) {
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if ( isUserInteracting ) {
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lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
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lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
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}
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}
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function onDocumentMouseUp( event ) {
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isUserInteracting = false;
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}
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function onDocumentMouseWheel( event ) {
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// WebKit
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if ( event.wheelDeltaY ) {
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fov -= event.wheelDeltaY * 0.05;
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// Opera / Explorer 9
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} else if ( event.wheelDelta ) {
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fov -= event.wheelDelta * 0.05;
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// Firefox
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} else if ( event.detail ) {
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fov += event.detail * 1.0;
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}
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camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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render();
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}
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function animate() {
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requestAnimationFrame( animate );
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render();
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}
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function render() {
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lat = Math.max( - 85, Math.min( 85, lat ) );
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phi = ( 90 - lat ) * Math.PI / 180;
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theta = lon * Math.PI / 180;
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camera.target.x = 500 * Math.sin( phi ) * Math.cos( theta );
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camera.target.y = 500 * Math.cos( phi );
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camera.target.z = 500 * Math.sin( phi ) * Math.sin( theta );
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camera.lookAt( camera.target );
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/*
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// distortion
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camera.position.x = - camera.target.x;
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camera.position.y = - camera.target.y;
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camera.position.z = - camera.target.z;
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*/
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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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