<!DOCTYPE html> <html lang="en"> <head> <title>three.js webgl - geometry - text</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"> <style> body { font-family: Monospace; background-color: #000; color: #fff; margin: 0px; overflow: hidden; } #info { position: absolute; top: 10px; width: 100%; text-align: center; z-index: 100; display:block; } #info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer } </style> </head> <body> <div id="info"> <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 (fonts from <a href="http://typeface.neocracy.org/">typeface.js</a> and <a href="http://en.wikipedia.org/wiki/Droid_%28font%29">Droid</a>) <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> <br/>type to enter new text, drag to spin the text <br/><span class="button" id="color">change color</span>, <span class="button" id="font">change font</span>, <span class="button" id="weight">change weight</span>, <span class="button" id="bevel">change bevel</span>, <span class="button" id="postprocessing">change postprocessing</span>, <a id="permalink" href="#">permalink</a> </div> <script src="../build/three.min.js"></script> <script src="js/utils/GeometryUtils.js"></script> <script src="js/shaders/ConvolutionShader.js"></script> <script src="js/shaders/CopyShader.js"></script> <script src="js/shaders/FilmShader.js"></script> <script src="js/shaders/FXAAShader.js"></script> <script src="js/postprocessing/EffectComposer.js"></script> <script src="js/postprocessing/RenderPass.js"></script> <script src="js/postprocessing/ShaderPass.js"></script> <script src="js/postprocessing/MaskPass.js"></script> <script src="js/postprocessing/BloomPass.js"></script> <script src="js/postprocessing/FilmPass.js"></script> <script src="js/Detector.js"></script> <script src="js/libs/stats.min.js"></script> <!-- load the font files --> <script src="fonts/gentilis_bold.typeface.js"></script> <script src="fonts/gentilis_regular.typeface.js"></script> <script src="fonts/optimer_bold.typeface.js"></script> <script src="fonts/optimer_regular.typeface.js"></script> <script src="fonts/helvetiker_bold.typeface.js"></script> <script src="fonts/helvetiker_regular.typeface.js"></script> <script src="fonts/droid/droid_sans_regular.typeface.js"></script> <script src="fonts/droid/droid_sans_bold.typeface.js"></script> <script src="fonts/droid/droid_serif_regular.typeface.js"></script> <script src="fonts/droid/droid_serif_bold.typeface.js"></script> <!-- todo async loader for fonts --> <!-- replace built-in triangulation with PnlTri.js --> <script src="js/libs/pnltri.min.js"></script> <script> THREE.Shape.Utils.triangulateShape = ( function () { var pnlTriangulator = new PNLTRI.Triangulator(); return function ( contour, holes ) { // console.log("new Triangulation: PnlTri.js " + PNLTRI.REVISION ); return pnlTriangulator.triangulate_polygon( [ contour ].concat(holes) ); }; } )(); </script> <script> if ( ! Detector.webgl ) Detector.addGetWebGLMessage(); var container, stats, permalink, hex, color; var camera, cameraTarget, scene, renderer; var composer; var effectFXAA; var group, textMesh1, textMesh2, textGeo, material; var firstLetter = true; var text = "three.js", height = 20, size = 70, hover = 30, curveSegments = 4, bevelThickness = 2, bevelSize = 1.5, bevelSegments = 3, bevelEnabled = true, font = "optimer", // helvetiker, optimer, gentilis, droid sans, droid serif weight = "bold", // normal bold style = "normal"; // normal italic var mirror = true; var fontMap = { "helvetiker": 0, "optimer": 1, "gentilis": 2, "droid sans": 3, "droid serif": 4 }; var weightMap = { "normal": 0, "bold": 1 }; var reverseFontMap = {}; var reverseWeightMap = {}; for ( var i in fontMap ) reverseFontMap[ fontMap[i] ] = i; for ( var i in weightMap ) reverseWeightMap[ weightMap[i] ] = i; var targetRotation = 0; var targetRotationOnMouseDown = 0; var mouseX = 0; var mouseXOnMouseDown = 0; var windowHalfX = window.innerWidth / 2; var windowHalfY = window.innerHeight / 2; var postprocessing = { enabled : false }; var glow = 0.9; init(); animate(); function capitalize( txt ) { return txt.substring( 0, 1 ).toUpperCase() + txt.substring( 1 ); } function decimalToHex( d ) { var hex = Number( d ).toString( 16 ); hex = "000000".substr( 0, 6 - hex.length ) + hex; return hex.toUpperCase(); } function init() { container = document.createElement( 'div' ); document.body.appendChild( container ); permalink = document.getElementById( "permalink" ); // CAMERA camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 1, 1500 ); camera.position.set( 0, 400, 700 ); cameraTarget = new THREE.Vector3( 0, 150, 0 ); // SCENE scene = new THREE.Scene(); scene.fog = new THREE.Fog( 0x000000, 250, 1400 ); // LIGHTS var dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 ); dirLight.position.set( 0, 0, 1 ).normalize(); scene.add( dirLight ); var pointLight = new THREE.PointLight( 0xffffff, 1.5 ); pointLight.position.set( 0, 100, 90 ); scene.add( pointLight ); //text = capitalize( font ) + " " + capitalize( weight ); //text = "abcdefghijklmnopqrstuvwxyz0123456789"; //text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; // Get text from hash var hash = document.location.hash.substr( 1 ); if ( hash.length !== 0 ) { var colorhash = hash.substring( 0, 6 ); var fonthash = hash.substring( 6, 7 ); var weighthash = hash.substring( 7, 8 ); var pphash = hash.substring( 8, 9 ); var bevelhash = hash.substring( 9, 10 ); var texthash = hash.substring( 10 ); hex = colorhash; pointLight.color.setHex( parseInt( colorhash, 16 ) ); font = reverseFontMap[ parseInt( fonthash ) ]; weight = reverseWeightMap[ parseInt( weighthash ) ]; postprocessing.enabled = parseInt( pphash ); bevelEnabled = parseInt( bevelhash ); text = decodeURI( texthash ); updatePermalink(); } else { pointLight.color.setHSL( Math.random(), 1, 0.5 ); hex = decimalToHex( pointLight.color.getHex() ); } material = new THREE.MeshFaceMaterial( [ new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading } ), // front new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.SmoothShading } ) // side ] ); group = new THREE.Group(); group.position.y = 100; scene.add( group ); createText(); var plane = new THREE.Mesh( new THREE.PlaneBufferGeometry( 10000, 10000 ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } ) ); plane.position.y = 100; plane.rotation.x = - Math.PI / 2; scene.add( plane ); // RENDERER renderer = new THREE.WebGLRenderer( { antialias: true } ); renderer.setClearColor( scene.fog.color ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); container.appendChild( renderer.domElement ); // STATS stats = new Stats(); stats.domElement.style.position = 'absolute'; stats.domElement.style.top = '0px'; //container.appendChild( stats.domElement ); // EVENTS document.addEventListener( 'mousedown', onDocumentMouseDown, false ); document.addEventListener( 'touchstart', onDocumentTouchStart, false ); document.addEventListener( 'touchmove', onDocumentTouchMove, false ); document.addEventListener( 'keypress', onDocumentKeyPress, false ); document.addEventListener( 'keydown', onDocumentKeyDown, false ); document.getElementById( "color" ).addEventListener( 'click', function() { pointLight.color.setHSL( Math.random(), 1, 0.5 ); hex = decimalToHex( pointLight.color.getHex() ); updatePermalink(); }, false ); document.getElementById( "font" ).addEventListener( 'click', function() { if ( font == "helvetiker" ) { font = "optimer"; } else if ( font == "optimer" ) { font = "gentilis"; } else if ( font == "gentilis" ) { font = "droid sans"; } else if ( font == "droid sans" ) { font = "droid serif"; } else { font = "helvetiker"; } refreshText(); }, false ); document.getElementById( "weight" ).addEventListener( 'click', function() { if ( weight == "bold" ) { weight = "normal"; } else { weight = "bold"; } refreshText(); }, false ); document.getElementById( "bevel" ).addEventListener( 'click', function() { bevelEnabled = !bevelEnabled; refreshText(); }, false ); document.getElementById( "postprocessing" ).addEventListener( 'click', function() { postprocessing.enabled = !postprocessing.enabled; updatePermalink(); }, false ); // POSTPROCESSING renderer.autoClear = false; var renderModel = new THREE.RenderPass( scene, camera ); var effectBloom = new THREE.BloomPass( 0.25 ); var effectFilm = new THREE.FilmPass( 0.5, 0.125, 2048, false ); effectFXAA = new THREE.ShaderPass( THREE.FXAAShader ); var width = window.innerWidth || 2; var height = window.innerHeight || 2; effectFXAA.uniforms[ 'resolution' ].value.set( 1 / width, 1 / height ); effectFilm.renderToScreen = true; composer = new THREE.EffectComposer( renderer ); composer.addPass( renderModel ); composer.addPass( effectFXAA ); composer.addPass( effectBloom ); composer.addPass( effectFilm ); // window.addEventListener( 'resize', onWindowResize, false ); } function onWindowResize() { windowHalfX = window.innerWidth / 2; windowHalfY = window.innerHeight / 2; camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize( window.innerWidth, window.innerHeight ); 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>