mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-05 06:03:24 +01:00
283 lines
5.8 KiB
HTML
Executable File
283 lines
5.8 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - modifier - tessellation</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 {
|
|
color: #ffffff;
|
|
font-family:Monospace;
|
|
font-size:13px;
|
|
text-align:center;
|
|
font-weight: bold;
|
|
|
|
background-color: #000000;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
}
|
|
#info {
|
|
color: #fff;
|
|
position: absolute;
|
|
top: 0px; width: 100%;
|
|
padding: 5px;
|
|
z-index:100;
|
|
}
|
|
|
|
a { color: red }
|
|
|
|
#stats { position: absolute; top:0; left: 0 }
|
|
#stats #fps { background: transparent !important }
|
|
#stats #fps #fpsText { color: #777 !important }
|
|
#stats #fps #fpsGraph { display: none }
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - modifier tessellation</div>
|
|
<div id="container"></div>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
|
|
<script src="js/controls/TrackballControls.js"></script>
|
|
|
|
<script src="js/modifiers/ExplodeModifier.js"></script>
|
|
<script src="js/modifiers/TessellateModifier.js"></script>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script src="fonts/helvetiker_bold.typeface.js"></script>
|
|
|
|
<script type="x-shader/x-vertex" id="vertexshader">
|
|
|
|
uniform float amplitude;
|
|
|
|
attribute vec3 customColor;
|
|
attribute vec3 displacement;
|
|
|
|
varying vec3 vNormal;
|
|
varying vec3 vColor;
|
|
|
|
void main() {
|
|
|
|
vNormal = normal;
|
|
vColor = customColor;
|
|
|
|
vec3 newPosition = position + amplitude * displacement;
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( newPosition, 1.0 );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
<script type="x-shader/x-fragment" id="fragmentshader">
|
|
|
|
varying vec3 vNormal;
|
|
varying vec3 vColor;
|
|
|
|
void main() {
|
|
|
|
const float ambient = 0.005;
|
|
|
|
vec3 light = vec3( 1.0 );
|
|
light = normalize( light );
|
|
|
|
float directional = max( dot( vNormal, light ), 0.0 );
|
|
|
|
gl_FragColor = vec4( ( directional + ambient ) * vColor, 1.0 );
|
|
gl_FragColor.xyz = sqrt( gl_FragColor.xyz );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
|
|
<script>
|
|
|
|
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
|
var renderer, scene, camera, stats;
|
|
|
|
var mesh, uniforms, attributes;
|
|
|
|
var WIDTH = window.innerWidth,
|
|
HEIGHT = window.innerHeight;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
camera = new THREE.PerspectiveCamera( 25, WIDTH / HEIGHT, 1, 10000 );
|
|
camera.position.z = 350;
|
|
|
|
controls = new THREE.TrackballControls( camera );
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
//
|
|
|
|
attributes = {
|
|
|
|
displacement: { type: 'v3', value: [] },
|
|
customColor: { type: 'c', value: [] }
|
|
|
|
};
|
|
|
|
uniforms = {
|
|
|
|
amplitude: { type: "f", value: 0.0 }
|
|
|
|
};
|
|
|
|
var shaderMaterial = new THREE.ShaderMaterial( {
|
|
|
|
uniforms: uniforms,
|
|
attributes: attributes,
|
|
vertexShader: document.getElementById( 'vertexshader' ).textContent,
|
|
fragmentShader: document.getElementById( 'fragmentshader' ).textContent,
|
|
shading: THREE.FlatShading,
|
|
side: THREE.DoubleSide
|
|
|
|
});
|
|
|
|
|
|
var geometry = new THREE.TextGeometry( "THREE.JS", {
|
|
|
|
size: 40,
|
|
height: 5,
|
|
curveSegments: 3,
|
|
|
|
font: "helvetiker",
|
|
weight: "bold",
|
|
style: "normal",
|
|
|
|
bevelThickness: 2,
|
|
bevelSize: 1,
|
|
bevelEnabled: true
|
|
|
|
});
|
|
|
|
geometry.dynamic = true;
|
|
|
|
geometry.center();
|
|
|
|
var tessellateModifier = new THREE.TessellateModifier( 8 );
|
|
|
|
for ( var i = 0; i < 6; i ++ ) {
|
|
|
|
tessellateModifier.modify( geometry );
|
|
|
|
}
|
|
|
|
var explodeModifier = new THREE.ExplodeModifier();
|
|
explodeModifier.modify( geometry );
|
|
|
|
var vertices = geometry.vertices;
|
|
|
|
var colors = attributes.customColor.value;
|
|
var displacement = attributes.displacement.value;
|
|
|
|
var nv, v = 0;
|
|
|
|
for ( var f = 0; f < geometry.faces.length; f ++ ) {
|
|
|
|
var face = geometry.faces[ f ];
|
|
|
|
if ( face instanceof THREE.Face3 ) {
|
|
|
|
nv = 3;
|
|
|
|
} else {
|
|
|
|
nv = 4;
|
|
|
|
}
|
|
|
|
var h = 0.15 * Math.random();
|
|
var s = 0.5 + 0.5 * Math.random();
|
|
var l = 0.5 + 0.5 * Math.random();
|
|
|
|
var d = 10 * ( 0.5 - Math.random() );
|
|
|
|
var x = 2 * ( 0.5 - Math.random() );
|
|
var y = 2 * ( 0.5 - Math.random() );
|
|
var z = 2 * ( 0.5 - Math.random() );
|
|
|
|
for ( var i = 0; i < nv; i ++ ) {
|
|
|
|
colors[ v ] = new THREE.Color();
|
|
displacement[ v ] = new THREE.Vector3();
|
|
|
|
colors[ v ].setHSL( h, s, l );
|
|
colors[ v ].convertGammaToLinear();
|
|
|
|
displacement[ v ].set( x, y, z );
|
|
|
|
v += 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
console.log( "faces", geometry.faces.length );
|
|
|
|
mesh = new THREE.Mesh( geometry, shaderMaterial );
|
|
mesh.rotation.set( 0.5, 0.5, 0 );
|
|
|
|
scene.add( mesh );
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: true } );
|
|
renderer.setClearColor( 0x050505 );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( WIDTH, HEIGHT );
|
|
|
|
var container = document.getElementById( 'container' );
|
|
container.appendChild( renderer.domElement );
|
|
|
|
stats = new Stats();
|
|
container.appendChild( stats.domElement );
|
|
|
|
//
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
var time = Date.now() * 0.001;
|
|
|
|
uniforms.amplitude.value = Math.sin( time * 0.5 );
|
|
|
|
controls.update();
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
|
|
</script>
|
|
|
|
</body>
|
|
|
|
</html>
|