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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 panorama demo</title>
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+ <meta charset="utf-8">
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+ <style type="text/css">
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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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+
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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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+
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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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+
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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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+
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+ <script type="text/javascript" src="../build/Three.js"></script>
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+ <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
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+
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+ <script type="text/javascript">
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+
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+ var camera, scene, renderer;
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+
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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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+
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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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+ var container, mesh;
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+
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+ container = document.getElementById( 'container' );
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+
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+ camera = new THREE.Camera( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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+
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+ scene = new THREE.Scene();
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+
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+ mesh = new THREE.Mesh( new Sphere( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: ImageUtils.loadTexture( 'textures/2294472375_24a3b8ef46_o.jpg' ) } ) );
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+ mesh.scale.x = -1;
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+ scene.addObject( mesh );
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+
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ container.appendChild( renderer.domElement );
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+
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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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+
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+ }
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+
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+ function onDocumentMouseDown( event ) {
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+
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+ event.preventDefault();
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+
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+ isUserInteracting = true;
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+
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+ onPointerDownPointerX = event.clientX;
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+ onPointerDownPointerY = event.clientY;
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+
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+ onPointerDownLon = lon;
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+ onPointerDownLat = lat;
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+
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+ }
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+
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+ function onDocumentMouseMove( event ) {
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+
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+ if ( isUserInteracting ) {
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+
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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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+ }
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+
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+ function onDocumentMouseUp( event ) {
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+
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+ isUserInteracting = false;
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+
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+ }
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+
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+ function onDocumentMouseWheel( event ) {
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+
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+ fov -= event.wheelDeltaY * 0.05;
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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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+ }
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+
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+ function animate() {
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+
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+ requestAnimationFrame( animate );
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+ render();
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+
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+ }
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+
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+ function render() {
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+
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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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+
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+ camera.target.position.x = 500 * Math.sin( phi ) * Math.cos( theta );
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+ camera.target.position.y = 500 * Math.cos( phi );
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+ camera.target.position.z = 500 * Math.sin( phi ) * Math.sin( theta );
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+
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+ /*
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+ // distortion
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+ camera.position.x = - camera.target.position.x;
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+ camera.position.y = - camera.target.position.y;
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+ camera.position.z = - camera.target.position.z;
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+ */
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+
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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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+ </body>
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+</html>
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alteredq
