mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
215 lines
5.2 KiB
HTML
215 lines
5.2 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 - cubes</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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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: orange;
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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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[<a href="http://en.wikipedia.org/wiki/Hilbert_curve">Hilbert curve</a> thanks to <a href="http://www.openprocessing.org/visuals/?visualID=15599">Thomas Diewald</a>]
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</div>
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<script src="../build/three.min.js"></script>
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<script src="js/geometries/hilbert3D.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 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 i, 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( 33, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 700;
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scene = new THREE.Scene();
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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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var geometry = new THREE.Geometry(),
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points = hilbert3D( new THREE.Vector3( 0,0,0 ), 200.0, 4, 0, 1, 2, 3, 4, 5, 6, 7 );
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for ( i = 0; i < points.length; i ++ ) {
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geometry.vertices.push( points[i] );
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}
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// lines
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var line, p, scale = 0.3, d = 125, c1 = 0x553300, c2 = 0x555555, c3 = 0x992800, g1 = geometry,
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m1 = new THREE.LineBasicMaterial( { color: c1, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
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m2 = new THREE.LineBasicMaterial( { color: c2, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
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m3 = new THREE.LineBasicMaterial( { color: c3, opacity: 1, blending: THREE.AdditiveBlending, transparent: true } ),
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parameters = [ [ m3, scale*0.5, [0,0,0], g1 ], [ m2, scale*0.5, [d, 0, 0], g1 ], [ m2, scale*0.5, [-d, 0, 0], g1 ],
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[ m2, scale*0.5, [0,d,0], g1 ], [ m2, scale*0.5, [d, d, 0], g1 ], [ m2, scale*0.5, [-d, d, 0], g1 ],
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[ m2, scale*0.5, [0,-d,0], g1 ], [ m2, scale*0.5, [d, -d, 0], g1 ], [ m2, scale*0.5, [-d, -d, 0], g1 ],
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[ m1, scale*0.5, [2*d, 0, 0], g1 ], [ m1, scale*0.5, [-2*d, 0, 0], g1 ],
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[ m1, scale*0.5, [2*d, d, 0], g1 ], [ m1, scale*0.5, [-2*d, d, 0], g1 ],
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[ m1, scale*0.5, [2*d, -d, 0], g1 ], [ m1, scale*0.5, [-2*d, -d, 0], g1 ],
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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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line = new THREE.Line( p[ 3 ], p[ 0 ] );
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line.scale.x = line.scale.y = line.scale.z = p[ 1 ];
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line.position.x = p[ 2 ][ 0 ];
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line.position.y = p[ 2 ][ 1 ];
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line.position.z = p[ 2 ][ 2 ];
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scene.add( line );
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}
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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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//
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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.x += ( mouseX - camera.position.x ) * .05;
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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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var time = Date.now() * 0.0015;
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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 ) object.rotation.y = time * ( i % 2 ? 1 : -1 );
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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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