mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
220 lines
4.8 KiB
HTML
220 lines
4.8 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 - lines - spheres</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: #000;
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margin: 0px;
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overflow: hidden;
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}
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a {
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color:#0078ff;
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}
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#info {
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position: absolute;
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top: 10px; 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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text-align: center;
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z-index:100;
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}
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a {
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color: #ff0080;
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text-decoration: none;
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}
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a:hover {
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color: #0080ff;
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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="http://threejs.org" target="_blank">three.js</a> - lines WebGL demo
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</div>
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<script src="../build/three.min.js"></script>
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<script src="js/Detector.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var SCREEN_WIDTH = window.innerWidth,
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SCREEN_HEIGHT = window.innerHeight,
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r = 450,
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mouseX = 0, mouseY = 0,
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windowHalfX = window.innerWidth / 2,
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windowHalfY = window.innerHeight / 2,
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camera, scene, renderer;
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init();
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animate();
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function init() {
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var container;
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 80, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 3000 );
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camera.position.z = 1000;
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scene = new THREE.Scene();
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var i, line, vertex1, vertex2, material, p,
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parameters = [ [ 0.25, 0xff7700, 1, 2 ], [ 0.5, 0xff9900, 1, 1 ], [ 0.75, 0xffaa00, 0.75, 1 ], [ 1, 0xffaa00, 0.5, 1 ], [ 1.25, 0x000833, 0.8, 1 ],
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[ 3.0, 0xaaaaaa, 0.75, 2 ], [ 3.5, 0xffffff, 0.5, 1 ], [ 4.5, 0xffffff, 0.25, 1 ], [ 5.5, 0xffffff, 0.125, 1 ] ],
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geometry = new THREE.Geometry();
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for ( i = 0; i < 1500; i ++ ) {
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var vertex1 = new THREE.Vector3();
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vertex1.x = Math.random() * 2 - 1;
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vertex1.y = Math.random() * 2 - 1;
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vertex1.z = Math.random() * 2 - 1;
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vertex1.normalize();
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vertex1.multiplyScalar( r );
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vertex2 = vertex1.clone();
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vertex2.multiplyScalar( Math.random() * 0.09 + 1 );
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geometry.vertices.push( vertex1 );
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geometry.vertices.push( vertex2 );
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}
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for( i = 0; i < parameters.length; ++ i ) {
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p = parameters[ i ];
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material = new THREE.LineBasicMaterial( { color: p[ 1 ], opacity: p[ 2 ], linewidth: p[ 3 ] } );
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line = new THREE.Line( geometry, material, THREE.LinePieces );
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line.scale.x = line.scale.y = line.scale.z = p[ 0 ];
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line.originalScale = p[ 0 ];
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line.rotation.y = Math.random() * Math.PI;
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line.updateMatrix();
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scene.add( line );
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}
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
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container.appendChild( renderer.domElement );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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document.addEventListener( 'touchmove', onDocumentTouchMove, 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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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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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 onDocumentMouseMove( event ) {
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mouseX = event.clientX - windowHalfX;
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mouseY = event.clientY - windowHalfY;
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}
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function onDocumentTouchStart( event ) {
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if ( event.touches.length > 1 ) {
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event.preventDefault();
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mouseX = event.touches[ 0 ].pageX - windowHalfX;
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mouseY = event.touches[ 0 ].pageY - windowHalfY;
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}
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}
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function onDocumentTouchMove( event ) {
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if ( event.touches.length == 1 ) {
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event.preventDefault();
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mouseX = event.touches[ 0 ].pageX - windowHalfX;
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mouseY = event.touches[ 0 ].pageY - windowHalfY;
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}
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}
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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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camera.position.y += ( - mouseY + 200 - camera.position.y ) * .05;
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camera.lookAt( scene.position );
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renderer.render( scene, camera );
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var time = Date.now() * 0.0001;
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for ( var i = 0; i < scene.children.length; i ++ ) {
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var object = scene.children[ i ];
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if ( object instanceof THREE.Line ) {
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object.rotation.y = time * ( i < 4 ? ( i + 1 ) : - ( i + 1 ) );
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if ( i < 5 ) object.scale.x = object.scale.y = object.scale.z = object.originalScale * (i/5+1) * (1 + 0.5 * Math.sin( 7*time ) );
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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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