mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
233 lines
5.1 KiB
HTML
233 lines
5.1 KiB
HTML
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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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<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">
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<a href="http://threejs.org" 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>.<br />
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drag equirectangular texture into the page.
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</div>
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<script src="../build/three.min.js"></script>
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<script>
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var camera, scene, renderer;
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var 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( 75, 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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var geometry = new THREE.SphereGeometry( 500, 60, 40 );
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geometry.applyMatrix( new THREE.Matrix4().makeScale( -1, 1, 1 ) );
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var material = new THREE.MeshBasicMaterial( {
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map: THREE.ImageUtils.loadTexture( 'textures/2294472375_24a3b8ef46_o.jpg' )
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} );
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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( '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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document.addEventListener( 'dragover', function ( event ) {
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event.preventDefault();
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event.dataTransfer.dropEffect = 'copy';
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}, false );
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document.addEventListener( 'dragenter', function ( event ) {
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document.body.style.opacity = 0.5;
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}, false );
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document.addEventListener( 'dragleave', function ( event ) {
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document.body.style.opacity = 1;
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}, false );
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document.addEventListener( 'drop', function ( event ) {
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event.preventDefault();
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var reader = new FileReader();
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reader.addEventListener( 'load', function ( event ) {
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material.map.image.src = event.target.result;
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material.map.needsUpdate = true;
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}, false );
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reader.readAsDataURL( event.dataTransfer.files[ 0 ] );
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document.body.style.opacity = 1;
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}, false );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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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 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 === true ) {
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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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camera.fov -= event.wheelDeltaY * 0.05;
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// Opera / Explorer 9
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} else if ( event.wheelDelta ) {
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camera.fov -= event.wheelDelta * 0.05;
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// Firefox
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} else if ( event.detail ) {
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camera.fov += event.detail * 1.0;
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}
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camera.updateProjectionMatrix();
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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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if ( isUserInteracting === false ) {
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lon += 0.1;
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}
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lat = Math.max( - 85, Math.min( 85, lat ) );
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phi = THREE.Math.degToRad( 90 - lat );
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theta = THREE.Math.degToRad( lon );
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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.copy( camera.target ).negate();
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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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