mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-26 23:44:56 +01:00
670 lines
16 KiB
HTML
670 lines
16 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 - geometry - text</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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font-family: Monospace;
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background-color: #000;
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color: #fff;
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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: 10px;
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width: 100%;
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text-align: center;
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z-index: 100;
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display:block;
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}
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#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
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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> - procedural 3D text by <a href="http://www.lab4games.net/zz85/blog" target="_blank">zz85</a> & alteredq
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(fonts from <a href="http://typeface.neocracy.org/">typeface.js</a> and <a href="http://en.wikipedia.org/wiki/Droid_%28font%29">Droid</a>)
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<br/>built-in shape triangulation has been replaced with <a href="https://github.com/jahting/pnltri.js">PnlTri.js</a> by <a href="https://github.com/jahting" target="_blank">j ahting</a>
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<br/>type to enter new text, drag to spin the text
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<br/><span class="button" id="color">change color</span>,
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<span class="button" id="font">change font</span>,
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<span class="button" id="weight">change weight</span>,
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<span class="button" id="bevel">change bevel</span>,
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<span class="button" id="postprocessing">change postprocessing</span>,
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<a id="permalink" href="#">permalink</a>
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</div>
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<script src="../build/three.min.js"></script>
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<script src="js/utils/GeometryUtils.js"></script>
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<script src="js/shaders/ConvolutionShader.js"></script>
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<script src="js/shaders/CopyShader.js"></script>
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<script src="js/shaders/FilmShader.js"></script>
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<script src="js/shaders/FXAAShader.js"></script>
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<script src="js/postprocessing/EffectComposer.js"></script>
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<script src="js/postprocessing/RenderPass.js"></script>
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<script src="js/postprocessing/ShaderPass.js"></script>
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<script src="js/postprocessing/MaskPass.js"></script>
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<script src="js/postprocessing/BloomPass.js"></script>
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<script src="js/postprocessing/FilmPass.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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<!-- load the font files -->
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<script src="fonts/gentilis_bold.typeface.js"></script>
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<script src="fonts/gentilis_regular.typeface.js"></script>
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<script src="fonts/optimer_bold.typeface.js"></script>
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<script src="fonts/optimer_regular.typeface.js"></script>
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<script src="fonts/helvetiker_bold.typeface.js"></script>
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<script src="fonts/helvetiker_regular.typeface.js"></script>
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<script src="fonts/droid/droid_sans_regular.typeface.js"></script>
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<script src="fonts/droid/droid_sans_bold.typeface.js"></script>
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<script src="fonts/droid/droid_serif_regular.typeface.js"></script>
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<script src="fonts/droid/droid_serif_bold.typeface.js"></script>
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<!-- todo async loader for fonts -->
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<!-- replace built-in triangulation with PnlTri.js -->
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<script src="js/libs/pnltri.min.js"></script>
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<script>
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THREE.Shape.Utils.triangulateShape = ( function () {
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var pnlTriangulator = new PNLTRI.Triangulator();
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return function ( contour, holes ) {
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// console.log("new Triangulation: PnlTri.js " + PNLTRI.REVISION );
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return pnlTriangulator.triangulate_polygon( [ contour ].concat(holes) );
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};
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} )();
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</script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var container, stats, permalink, hex, color;
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var camera, cameraTarget, scene, renderer;
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var composer;
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var effectFXAA;
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var group, textMesh1, textMesh2, textGeo, material;
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var firstLetter = true;
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var text = "three.js",
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height = 20,
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size = 70,
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hover = 30,
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curveSegments = 4,
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bevelThickness = 2,
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bevelSize = 1.5,
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bevelSegments = 3,
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bevelEnabled = true,
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font = "optimer", // helvetiker, optimer, gentilis, droid sans, droid serif
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weight = "bold", // normal bold
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style = "normal"; // normal italic
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var mirror = true;
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var fontMap = {
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"helvetiker": 0,
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"optimer": 1,
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"gentilis": 2,
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"droid sans": 3,
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"droid serif": 4
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};
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var weightMap = {
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"normal": 0,
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"bold": 1
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};
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var reverseFontMap = {};
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var reverseWeightMap = {};
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for ( var i in fontMap ) reverseFontMap[ fontMap[i] ] = i;
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for ( var i in weightMap ) reverseWeightMap[ weightMap[i] ] = i;
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var targetRotation = 0;
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var targetRotationOnMouseDown = 0;
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var mouseX = 0;
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var mouseXOnMouseDown = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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var postprocessing = { enabled : false };
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var glow = 0.9;
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init();
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animate();
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function capitalize( txt ) {
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return txt.substring( 0, 1 ).toUpperCase() + txt.substring( 1 );
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}
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function decimalToHex( d ) {
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var hex = Number( d ).toString( 16 );
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hex = "000000".substr( 0, 6 - hex.length ) + hex;
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return hex.toUpperCase();
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}
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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permalink = document.getElementById( "permalink" );
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// CAMERA
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camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
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camera.position.set( 0, 400, 700 );
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cameraTarget = new THREE.Vector3( 0, 150, 0 );
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// SCENE
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scene = new THREE.Scene();
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scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
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// LIGHTS
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var dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 );
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dirLight.position.set( 0, 0, 1 ).normalize();
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scene.add( dirLight );
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var pointLight = new THREE.PointLight( 0xffffff, 1.5 );
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pointLight.position.set( 0, 100, 90 );
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scene.add( pointLight );
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//text = capitalize( font ) + " " + capitalize( weight );
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//text = "abcdefghijklmnopqrstuvwxyz0123456789";
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//text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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// Get text from hash
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var hash = document.location.hash.substr( 1 );
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if ( hash.length !== 0 ) {
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var colorhash = hash.substring( 0, 6 );
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var fonthash = hash.substring( 6, 7 );
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var weighthash = hash.substring( 7, 8 );
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var pphash = hash.substring( 8, 9 );
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var bevelhash = hash.substring( 9, 10 );
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var texthash = hash.substring( 10 );
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hex = colorhash;
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pointLight.color.setHex( parseInt( colorhash, 16 ) );
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font = reverseFontMap[ parseInt( fonthash ) ];
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weight = reverseWeightMap[ parseInt( weighthash ) ];
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postprocessing.enabled = parseInt( pphash );
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bevelEnabled = parseInt( bevelhash );
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text = decodeURI( texthash );
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updatePermalink();
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} else {
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pointLight.color.setHSL( Math.random(), 1, 0.5 );
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hex = decimalToHex( pointLight.color.getHex() );
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}
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material = new THREE.MeshFaceMaterial( [
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new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading } ), // front
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new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.SmoothShading } ) // side
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] );
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group = new THREE.Group();
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group.position.y = 100;
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scene.add( group );
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createText();
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var plane = new THREE.Mesh(
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new THREE.PlaneBufferGeometry( 10000, 10000 ),
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new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } )
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);
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plane.position.y = 100;
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plane.rotation.x = - Math.PI / 2;
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scene.add( plane );
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// RENDERER
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( scene.fog.color );
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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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// STATS
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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//container.appendChild( stats.domElement );
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// EVENTS
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document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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document.addEventListener( 'keypress', onDocumentKeyPress, false );
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document.addEventListener( 'keydown', onDocumentKeyDown, false );
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document.getElementById( "color" ).addEventListener( 'click', function() {
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pointLight.color.setHSL( Math.random(), 1, 0.5 );
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hex = decimalToHex( pointLight.color.getHex() );
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updatePermalink();
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}, false );
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document.getElementById( "font" ).addEventListener( 'click', function() {
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if ( font == "helvetiker" ) {
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font = "optimer";
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} else if ( font == "optimer" ) {
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font = "gentilis";
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} else if ( font == "gentilis" ) {
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font = "droid sans";
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} else if ( font == "droid sans" ) {
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font = "droid serif";
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} else {
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font = "helvetiker";
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}
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refreshText();
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}, false );
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document.getElementById( "weight" ).addEventListener( 'click', function() {
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if ( weight == "bold" ) {
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weight = "normal";
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} else {
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weight = "bold";
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}
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refreshText();
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}, false );
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document.getElementById( "bevel" ).addEventListener( 'click', function() {
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bevelEnabled = !bevelEnabled;
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refreshText();
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}, false );
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document.getElementById( "postprocessing" ).addEventListener( 'click', function() {
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postprocessing.enabled = !postprocessing.enabled;
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updatePermalink();
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}, false );
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// POSTPROCESSING
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renderer.autoClear = false;
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var renderModel = new THREE.RenderPass( scene, camera );
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var effectBloom = new THREE.BloomPass( 0.25 );
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var effectFilm = new THREE.FilmPass( 0.5, 0.125, 2048, false );
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effectFXAA = new THREE.ShaderPass( THREE.FXAAShader );
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var width = window.innerWidth || 2;
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var height = window.innerHeight || 2;
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effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height );
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effectFilm.renderToScreen = true;
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composer = new THREE.EffectComposer( renderer );
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composer.addPass( renderModel );
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composer.addPass( effectFXAA );
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composer.addPass( effectBloom );
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composer.addPass( effectFilm );
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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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composer.reset();
|
||
|
|
|
||
|
|
effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function boolToNum( b ) {
|
||
|
|
|
||
|
|
return b ? 1 : 0;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function updatePermalink() {
|
||
|
|
|
||
|
|
var link = hex + fontMap[ font ] + weightMap[ weight ] + boolToNum( postprocessing.enabled ) + boolToNum( bevelEnabled ) + "#" + encodeURI( text );
|
||
|
|
|
||
|
|
permalink.href = "#" + link;
|
||
|
|
window.location.hash = link;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentKeyDown( event ) {
|
||
|
|
|
||
|
|
if ( firstLetter ) {
|
||
|
|
|
||
|
|
firstLetter = false;
|
||
|
|
text = "";
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var keyCode = event.keyCode;
|
||
|
|
|
||
|
|
// backspace
|
||
|
|
|
||
|
|
if ( keyCode == 8 ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
text = text.substring( 0, text.length - 1 );
|
||
|
|
refreshText();
|
||
|
|
|
||
|
|
return false;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentKeyPress( event ) {
|
||
|
|
|
||
|
|
var keyCode = event.which;
|
||
|
|
|
||
|
|
// backspace
|
||
|
|
|
||
|
|
if ( keyCode == 8 ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
var ch = String.fromCharCode( keyCode );
|
||
|
|
text += ch;
|
||
|
|
|
||
|
|
refreshText();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function createText() {
|
||
|
|
|
||
|
|
textGeo = new THREE.TextGeometry( text, {
|
||
|
|
|
||
|
|
size: size,
|
||
|
|
height: height,
|
||
|
|
curveSegments: curveSegments,
|
||
|
|
|
||
|
|
font: font,
|
||
|
|
weight: weight,
|
||
|
|
style: style,
|
||
|
|
|
||
|
|
bevelThickness: bevelThickness,
|
||
|
|
bevelSize: bevelSize,
|
||
|
|
bevelEnabled: bevelEnabled,
|
||
|
|
|
||
|
|
material: 0,
|
||
|
|
extrudeMaterial: 1
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
textGeo.computeBoundingBox();
|
||
|
|
textGeo.computeVertexNormals();
|
||
|
|
|
||
|
|
// "fix" side normals by removing z-component of normals for side faces
|
||
|
|
// (this doesn't work well for beveled geometry as then we lose nice curvature around z-axis)
|
||
|
|
|
||
|
|
if ( ! bevelEnabled ) {
|
||
|
|
|
||
|
|
var triangleAreaHeuristics = 0.1 * ( height * size );
|
||
|
|
|
||
|
|
for ( var i = 0; i < textGeo.faces.length; i ++ ) {
|
||
|
|
|
||
|
|
var face = textGeo.faces[ i ];
|
||
|
|
|
||
|
|
if ( face.materialIndex == 1 ) {
|
||
|
|
|
||
|
|
for ( var j = 0; j < face.vertexNormals.length; j ++ ) {
|
||
|
|
|
||
|
|
face.vertexNormals[ j ].z = 0;
|
||
|
|
face.vertexNormals[ j ].normalize();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var va = textGeo.vertices[ face.a ];
|
||
|
|
var vb = textGeo.vertices[ face.b ];
|
||
|
|
var vc = textGeo.vertices[ face.c ];
|
||
|
|
|
||
|
|
var s = THREE.GeometryUtils.triangleArea( va, vb, vc );
|
||
|
|
|
||
|
|
if ( s > triangleAreaHeuristics ) {
|
||
|
|
|
||
|
|
for ( var j = 0; j < face.vertexNormals.length; j ++ ) {
|
||
|
|
|
||
|
|
face.vertexNormals[ j ].copy( face.normal );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var centerOffset = -0.5 * ( textGeo.boundingBox.max.x - textGeo.boundingBox.min.x );
|
||
|
|
|
||
|
|
textMesh1 = new THREE.Mesh( textGeo, material );
|
||
|
|
|
||
|
|
textMesh1.position.x = centerOffset;
|
||
|
|
textMesh1.position.y = hover;
|
||
|
|
textMesh1.position.z = 0;
|
||
|
|
|
||
|
|
textMesh1.rotation.x = 0;
|
||
|
|
textMesh1.rotation.y = Math.PI * 2;
|
||
|
|
|
||
|
|
group.add( textMesh1 );
|
||
|
|
|
||
|
|
if ( mirror ) {
|
||
|
|
|
||
|
|
textMesh2 = new THREE.Mesh( textGeo, material );
|
||
|
|
|
||
|
|
textMesh2.position.x = centerOffset;
|
||
|
|
textMesh2.position.y = -hover;
|
||
|
|
textMesh2.position.z = height;
|
||
|
|
|
||
|
|
textMesh2.rotation.x = Math.PI;
|
||
|
|
textMesh2.rotation.y = Math.PI * 2;
|
||
|
|
|
||
|
|
group.add( textMesh2 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function refreshText() {
|
||
|
|
|
||
|
|
updatePermalink();
|
||
|
|
|
||
|
|
group.remove( textMesh1 );
|
||
|
|
if ( mirror ) group.remove( textMesh2 );
|
||
|
|
|
||
|
|
if ( !text ) return;
|
||
|
|
|
||
|
|
createText();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseDown( event ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
|
||
|
|
document.addEventListener( 'mouseup', onDocumentMouseUp, false );
|
||
|
|
document.addEventListener( 'mouseout', onDocumentMouseOut, false );
|
||
|
|
|
||
|
|
mouseXOnMouseDown = event.clientX - windowHalfX;
|
||
|
|
targetRotationOnMouseDown = targetRotation;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseMove( event ) {
|
||
|
|
|
||
|
|
mouseX = event.clientX - windowHalfX;
|
||
|
|
|
||
|
|
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseUp( event ) {
|
||
|
|
|
||
|
|
document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
||
|
|
document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
||
|
|
document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentMouseOut( event ) {
|
||
|
|
|
||
|
|
document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
|
||
|
|
document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
|
||
|
|
document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentTouchStart( event ) {
|
||
|
|
|
||
|
|
if ( event.touches.length == 1 ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
|
||
|
|
targetRotationOnMouseDown = targetRotation;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onDocumentTouchMove( event ) {
|
||
|
|
|
||
|
|
if ( event.touches.length == 1 ) {
|
||
|
|
|
||
|
|
event.preventDefault();
|
||
|
|
|
||
|
|
mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
||
|
|
targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
render();
|
||
|
|
stats.update();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
group.rotation.y += ( targetRotation - group.rotation.y ) * 0.05;
|
||
|
|
|
||
|
|
camera.lookAt( cameraTarget );
|
||
|
|
|
||
|
|
renderer.clear();
|
||
|
|
|
||
|
|
if ( postprocessing.enabled ) {
|
||
|
|
|
||
|
|
composer.render( 0.05 );
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|