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webgl_geometry_text.html
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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js webgl - geometry - text</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
<style type="text/css">
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://github.com/mrdoob/three.js" 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/>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="bezel">change bezel</span>,
<span class="button" id="postprocessing">change postprocessing</span>,
<a id="permalink" href="#">permalink</a>
</div>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/Detector.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<!-- load the font file from canvas-text -->
<!--
-->
<script type="text/javascript" src="fonts/gentilis_bold.typeface.js"></script>
<script type="text/javascript" src="fonts/gentilis_regular.typeface.js"></script>
<script type="text/javascript" src="fonts/optimer_bold.typeface.js"></script>
<script type="text/javascript" src="fonts/optimer_regular.typeface.js"></script>
<script type="text/javascript" src="fonts/helvetiker_bold.typeface.js"></script>
<script type="text/javascript" src="fonts/helvetiker_regular.typeface.js"></script>
<script type="text/javascript" src="fonts/droid/droid_sans_regular.typeface.js"></script>
<script type="text/javascript" src="fonts/droid/droid_sans_bold.typeface.js"></script>
<script type="text/javascript" src="fonts/droid/droid_serif_regular.typeface.js"></script>
<script type="text/javascript" src="fonts/droid/droid_serif_bold.typeface.js"></script>
<script type="text/javascript">
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats, permalink, hex, color;
var camera, scene, renderer;
var textMesh1, textMesh2, textGeo, textMaterial, parent;
var firstLetter = true;
var text = "three.js",
height = 20,
size = 70,
hover = 30,
curveSegments = 6,
bezelThickness = 2,
bezelSize = 1.5,
bezelEnabled = 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 : true };
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 = new THREE.Camera( 30, window.innerWidth / window.innerHeight, 1, 1500 );
camera.position.y = 400;
camera.position.z = 700;
camera.target.position.y = 100;
scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x000000, 250, 1400 );
var dirLight = new THREE.DirectionalLight( 0xffffff, 0.125 );
dirLight.position.set( 0, 0, 1 );
dirLight.position.normalize();
scene.addLight( dirLight );
var pointLight = new THREE.PointLight( 0xffffff, 1.5 );
pointLight.position.set( 0, 100, 50 );
scene.addLight( 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 bezelhash = hash.substring( 9, 10 );
var texthash = hash.substring( 11 );
hex = colorhash;
pointLight.color.setHex( parseInt( colorhash, 16 ) );
font = reverseFontMap[ parseInt( fonthash ) ];
weight = reverseWeightMap[ parseInt( weighthash ) ];
postprocessing.enabled = parseInt( pphash );
bezelEnabled = parseInt( bezelhash );
text = decodeURI( texthash );
updatePermalink();
} else {
pointLight.color.setHSV( Math.random(), 0.95, 0.85 );
pointLight.color.updateHex();
hex = decimalToHex( pointLight.color.hex );
}
textGeo = new THREE.TextGeometry( text, {
size: size,
height: height,
curveSegments: curveSegments,
font: font,
weight: weight,
style: style,
bezelThickness: bezelThickness,
bezelSize: bezelSize,
bezelEnabled: bezelEnabled
});
textMaterial = new THREE.MeshPhongMaterial( { color: 0xffffff, wireframe: false } );
parent = new THREE.Object3D();
textMesh1 = new THREE.Mesh( textGeo, textMaterial );
textMesh1.position.x = 0;
textMesh1.position.y = hover;
textMesh1.position.z = 0;
textMesh1.rotation.x = 0;
textMesh1.rotation.y = Math.PI * 2;
parent.addChild( textMesh1 );
if ( mirror ) {
textMesh2 = new THREE.Mesh( textGeo, textMaterial );
textMesh2.position.x = 0;
textMesh2.position.y = -hover;
textMesh2.position.z = height;
textMesh2.rotation.x = Math.PI;
textMesh2.rotation.y = Math.PI * 2;
parent.addChild( textMesh2 );
}
parent.position.y = 100;
scene.addChild( parent );
var plane = new THREE.Mesh( new THREE.PlaneGeometry( 10000, 10000 ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, transparent: true } ) );
plane.rotation.x = -1.57;
plane.position.y = 100;
scene.addChild( plane );
renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setClearColor( scene.fog.color, 1 );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
//container.appendChild( stats.domElement );
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.setHSV( Math.random(), 0.95, 0.85 );
pointLight.color.updateHex();
hex = decimalToHex( pointLight.color.hex );
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( "bezel" ).addEventListener( 'click', function() {
bezelEnabled = !bezelEnabled;
refreshText();
}, false );
document.getElementById( "postprocessing" ).addEventListener( 'click', function() {
postprocessing.enabled = !postprocessing.enabled;
updatePermalink();
}, false );
initPostprocessing();
renderer.autoClear = false;
}
//
function boolToNum( b ) {
return b ? 1 : 0;
}
function updatePermalink() {
var link = hex + fontMap[ font ] + weightMap[ weight ] + boolToNum( postprocessing.enabled ) + boolToNum( bezelEnabled ) + "#" + 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 refreshText() {
updatePermalink();
scene.removeChild( textMesh1 );
textGeo = new THREE.TextGeometry( text, {
size: size,
height: height,
curveSegments: curveSegments,
font: font,
weight: weight,
style: style,
bezelThickness: bezelThickness,
bezelSize: bezelSize,
bezelEnabled: bezelEnabled
});
textMesh1 = new THREE.Mesh( textGeo, textMaterial );
textMesh1.position.x = 0;
textMesh1.position.y = hover;
textMesh1.position.z = 0;
textMesh1.rotation.x = 0;
textMesh1.rotation.y = Math.PI * 2;
parent.addChild( textMesh1 );
if ( mirror ) {
scene.removeChild( textMesh2 );
textMesh2 = new THREE.Mesh( textGeo, textMaterial );
textMesh2.position.x = 0;
textMesh2.position.y = -hover;
textMesh2.position.z = height;
textMesh2.rotation.x = Math.PI;
textMesh2.rotation.y = Math.PI * 2;
parent.addChild( textMesh2 );
}
}
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 initPostprocessing() {
postprocessing.scene = new THREE.Scene();
postprocessing.camera = new THREE.Camera();
postprocessing.camera.projectionMatrix = THREE.Matrix4.makeOrtho( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, -10000, 10000 );
postprocessing.camera.position.z = 100;
var pars = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBFormat };
postprocessing.rtTexture1 = new THREE.WebGLRenderTarget( window.innerWidth, window.innerHeight, pars );
postprocessing.rtTexture2 = new THREE.WebGLRenderTarget( 512, 512, pars );
postprocessing.rtTexture3 = new THREE.WebGLRenderTarget( 512, 512, pars );
var screen_shader = THREE.ShaderUtils.lib["screen"];
var screen_uniforms = THREE.UniformsUtils.clone( screen_shader.uniforms );
screen_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
screen_uniforms["opacity"].value = 1.0;
postprocessing.materialScreen = new THREE.MeshShaderMaterial( {
uniforms: screen_uniforms,
vertexShader: screen_shader.vertexShader,
fragmentShader: screen_shader.fragmentShader,
blending: THREE.AdditiveBlending,
transparent: true
} );
var convolution_shader = THREE.ShaderUtils.lib["convolution"];
var convolution_uniforms = THREE.UniformsUtils.clone( convolution_shader.uniforms );
postprocessing.blurx = new THREE.Vector2( 0.001953125, 0.0 ),
postprocessing.blury = new THREE.Vector2( 0.0, 0.001953125 );
convolution_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
convolution_uniforms["uImageIncrement"].value = postprocessing.blurx;
convolution_uniforms["cKernel"].value = THREE.ShaderUtils.buildKernel( 4.0 );
postprocessing.materialConvolution = new THREE.MeshShaderMaterial( {
uniforms: convolution_uniforms,
vertexShader: "#define KERNEL_SIZE 25.0\n" + convolution_shader.vertexShader,
fragmentShader: "#define KERNEL_SIZE 25\n" + convolution_shader.fragmentShader
} );
var film_shader = THREE.ShaderUtils.lib["film"];
var film_uniforms = THREE.UniformsUtils.clone( film_shader.uniforms );
film_uniforms["tDiffuse"].texture = postprocessing.rtTexture1;
postprocessing.materialFilm = new THREE.MeshShaderMaterial( { uniforms: film_uniforms, vertexShader: film_shader.vertexShader, fragmentShader: film_shader.fragmentShader } );
postprocessing.materialFilm.uniforms.grayscale.value = 0;
postprocessing.materialFilm.uniforms.nIntensity.value = 0.15;
postprocessing.materialFilm.uniforms.sIntensity.value = 0.25;
postprocessing.materialFilm.uniforms.sCount.value = 2048;
//postprocessing.materialFilm.uniforms.nIntensity.value = 0;
//postprocessing.materialFilm.uniforms.sIntensity.value = 0;
postprocessing.materialScreen.uniforms.opacity.value = glow;
postprocessing.quad = new THREE.Mesh( new THREE.PlaneGeometry( window.innerWidth, window.innerHeight ), postprocessing.materialConvolution );
postprocessing.quad.position.z = - 500;
postprocessing.scene.addObject( postprocessing.quad );
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
var delta, time, oldTime;
function render() {
if ( ! oldTime ) oldTime = new Date().getTime();
time = new Date().getTime();
delta = 0.1 * ( time - oldTime );
oldTime = time;
parent.rotation.y += ( targetRotation - parent.rotation.y ) * 0.05;
if ( postprocessing.enabled ) {
renderer.clear();
// Render scene into texture
renderer.render( scene, camera, postprocessing.rtTexture1, true );
// Render quad with blured scene into texture (convolution pass 1)
postprocessing.quad.materials[ 0 ] = postprocessing.materialConvolution;
postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blurx;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture2, true );
// Render quad with blured scene into texture (convolution pass 2)
postprocessing.materialConvolution.uniforms.tDiffuse.texture = postprocessing.rtTexture2;
postprocessing.materialConvolution.uniforms.uImageIncrement.value = postprocessing.blury;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture3, true );
// Render original scene with superimposed blur to texture
postprocessing.quad.materials[ 0 ] = postprocessing.materialScreen;
postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture3;
renderer.render( postprocessing.scene, postprocessing.camera, postprocessing.rtTexture1, false );
// Render to screen
postprocessing.materialFilm.uniforms.time.value += 0.01;
postprocessing.quad.materials[ 0 ] = postprocessing.materialFilm;
postprocessing.materialScreen.uniforms.tDiffuse.texture = postprocessing.rtTexture1;
renderer.render( postprocessing.scene, postprocessing.camera );
} else {
renderer.clear();
renderer.render( scene, camera );
}
}
</script>
</body>
</html>