mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
655 lines
15 KiB
HTML
Executable File
655 lines
15 KiB
HTML
Executable File
<!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/>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 -->
|
|
|
|
<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>
|