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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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+
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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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+
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+
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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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+
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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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+
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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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+
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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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+
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+ <!-- load the font files -->
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+
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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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+
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+ <!-- todo async loader for fonts -->
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+
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+
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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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+
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+
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+ <script>
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+
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+ if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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+
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+ var container, stats, permalink, hex, color;
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+
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+ var camera, cameraTarget, scene, renderer;
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+
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+ var composer;
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+ var effectFXAA;
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+
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+ var group, textMesh1, textMesh2, textGeo, material;
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+
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+ var firstLetter = true;
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+
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+ var text = "three.js",
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+
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+ height = 20,
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+ size = 70,
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+ hover = 30,
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+
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+ curveSegments = 4,
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+
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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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+
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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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+
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+ var mirror = true;
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+
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+ var fontMap = {
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+
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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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+ };
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+
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+ var weightMap = {
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+
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+ "normal": 0,
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+ "bold": 1
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+
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+ };
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+
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+ var reverseFontMap = {};
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+ var reverseWeightMap = {};
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+
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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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+
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+ var targetRotation = 0;
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+ var targetRotationOnMouseDown = 0;
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+
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+ var mouseX = 0;
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+ var mouseXOnMouseDown = 0;
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+
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+ var windowHalfX = window.innerWidth / 2;
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+ var windowHalfY = window.innerHeight / 2;
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+
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+ var postprocessing = { enabled : false };
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+ var glow = 0.9;
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+
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+ init();
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+ animate();
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+
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+ function capitalize( txt ) {
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+
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+ return txt.substring( 0, 1 ).toUpperCase() + txt.substring( 1 );
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+
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+ }
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+
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+ function decimalToHex( d ) {
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+
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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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+ }
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+
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+ function init() {
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+
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+ container = document.createElement( 'div' );
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+ document.body.appendChild( container );
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+
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+ permalink = document.getElementById( "permalink" );
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+
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+ // CAMERA
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+
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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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+
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+ cameraTarget = new THREE.Vector3( 0, 150, 0 );
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+
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+ // SCENE
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+
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+ scene = new THREE.Scene();
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+ scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
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+
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+ // LIGHTS
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+
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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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+
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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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+
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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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+
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+ // Get text from hash
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+
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+ var hash = document.location.hash.substr( 1 );
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+
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+ if ( hash.length !== 0 ) {
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+
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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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+
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+ hex = colorhash;
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+ pointLight.color.setHex( parseInt( colorhash, 16 ) );
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+
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+ font = reverseFontMap[ parseInt( fonthash ) ];
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+ weight = reverseWeightMap[ parseInt( weighthash ) ];
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+
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+ postprocessing.enabled = parseInt( pphash );
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+ bevelEnabled = parseInt( bevelhash );
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+
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+ text = decodeURI( texthash );
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+
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+ updatePermalink();
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+
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+ } else {
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+
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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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+ }
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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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+
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+ group = new THREE.Object3D();
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+ group.position.y = 100;
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+
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+ scene.add( group );
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+
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+ createText();
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+
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+ var plane = new THREE.Mesh( new THREE.PlaneGeometry( 10000, 10000 ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } ) );
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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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+
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+ // RENDERER
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+
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+ renderer = new THREE.WebGLRenderer( { antialias: true } );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ renderer.setClearColor( scene.fog.color, 1 );
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+
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+ container.appendChild( renderer.domElement );
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+
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+ // STATS
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+
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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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+
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+ // EVENTS
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+
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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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+
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+ document.getElementById( "color" ).addEventListener( 'click', function() {
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+
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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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+ updatePermalink();
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+
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+ }, false );
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+
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+ document.getElementById( "font" ).addEventListener( 'click', function() {
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+
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+ if ( font == "helvetiker" ) {
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+
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+ font = "optimer";
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+
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+ } else if ( font == "optimer" ) {
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+
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+ font = "gentilis";
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+
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+ } else if ( font == "gentilis" ) {
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+
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+ font = "droid sans";
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+
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+ } else if ( font == "droid sans" ) {
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+
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+ font = "droid serif";
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+
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+ } else {
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+
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+ font = "helvetiker";
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+
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+ }
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+
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+ refreshText();
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+
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+ }, false );
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+
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+ document.getElementById( "weight" ).addEventListener( 'click', function() {
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+
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+ if ( weight == "bold" ) {
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+
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+ weight = "normal";
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+
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+ } else {
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+
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+ weight = "bold";
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+
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+ }
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+
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+ refreshText();
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+
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+ }, false );
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+
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+ document.getElementById( "bevel" ).addEventListener( 'click', function() {
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+
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+ bevelEnabled = !bevelEnabled;
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+
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+ refreshText();
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+
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+ }, false );
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+
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+ document.getElementById( "postprocessing" ).addEventListener( 'click', function() {
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+
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+ postprocessing.enabled = !postprocessing.enabled;
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+ updatePermalink();
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+
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+ }, false );
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+
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+
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+ // POSTPROCESSING
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+
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+ renderer.autoClear = false;
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+
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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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+
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+ effectFXAA = new THREE.ShaderPass( THREE.FXAAShader );
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+
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+ var width = window.innerWidth || 2;
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+ var height = window.innerHeight || 2;
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+
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+ effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height );
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+
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+ effectFilm.renderToScreen = true;
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+
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+ composer = new THREE.EffectComposer( renderer );
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+
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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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+ //
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+
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+ window.addEventListener( 'resize', onWindowResize, false );
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+
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+ }
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+
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+ function onWindowResize() {
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+
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+ windowHalfX = window.innerWidth / 2;
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+ windowHalfY = window.innerHeight / 2;
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+
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+ camera.aspect = window.innerWidth / window.innerHeight;
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+ camera.updateProjectionMatrix();
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+
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+
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+ composer.reset();
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+
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+ effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
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+
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+ }
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+
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+ //
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+
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+ function boolToNum( b ) {
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+
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+ return b ? 1 : 0;
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+
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+ }
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+
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+ function updatePermalink() {
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+
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+ var link = hex + fontMap[ font ] + weightMap[ weight ] + boolToNum( postprocessing.enabled ) + boolToNum( bevelEnabled ) + "#" + encodeURI( text );
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+
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+ permalink.href = "#" + link;
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+ window.location.hash = link;
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+
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+ }
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+
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+ function onDocumentKeyDown( event ) {
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+
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+ if ( firstLetter ) {
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+
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+ firstLetter = false;
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+ text = "";
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+
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+ }
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+
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+ var keyCode = event.keyCode;
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+
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+ // backspace
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+
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+ if ( keyCode == 8 ) {
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+
|
|
|
+ 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>
|
Mr.doob