mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-16 19:17:57 +01:00
262 lines
5.2 KiB
HTML
Executable File
262 lines
5.2 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - custom attributes [lines]</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;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - custom attributes example</div>
|
|
<div id="container"></div>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
|
|
<script src="fonts/helvetiker_bold.typeface.js"></script>
|
|
|
|
<script type="x-shader/x-vertex" id="vertexshader">
|
|
|
|
uniform float amplitude;
|
|
|
|
attribute vec3 displacement;
|
|
attribute vec3 customColor;
|
|
|
|
varying vec3 vColor;
|
|
|
|
void main() {
|
|
|
|
vec3 newPosition = position + amplitude * displacement;
|
|
|
|
vColor = customColor;
|
|
|
|
gl_Position = projectionMatrix * modelViewMatrix * vec4( newPosition, 1.0 );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
<script type="x-shader/x-fragment" id="fragmentshader">
|
|
|
|
uniform vec3 color;
|
|
uniform float opacity;
|
|
|
|
varying vec3 vColor;
|
|
|
|
void main() {
|
|
|
|
gl_FragColor = vec4( vColor * color, opacity );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
|
|
<script>
|
|
|
|
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
|
var renderer, scene, camera, stats;
|
|
|
|
var object, uniforms, attributes;
|
|
|
|
var text = "three.js",
|
|
|
|
height = 15,
|
|
size = 50,
|
|
|
|
curveSegments = 10,
|
|
steps = 40,
|
|
|
|
bevelThickness = 5,
|
|
bevelSize = 1.5,
|
|
bevelSegments = 10,
|
|
bevelEnabled = true,
|
|
|
|
font = "helvetiker", // helvetiker, optimer, gentilis, droid sans, droid serif
|
|
weight = "bold", // normal bold
|
|
style = "normal"; // normal italic
|
|
|
|
var WIDTH = window.innerWidth,
|
|
HEIGHT = window.innerHeight;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
camera = new THREE.PerspectiveCamera( 30, WIDTH / HEIGHT, 1, 10000 );
|
|
camera.position.z = 400;
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
attributes = {
|
|
|
|
displacement: { type: 'v3', value: [] },
|
|
customColor: { type: 'c', value: [] }
|
|
|
|
};
|
|
|
|
uniforms = {
|
|
|
|
amplitude: { type: "f", value: 5.0 },
|
|
opacity: { type: "f", value: 0.3 },
|
|
color: { type: "c", value: new THREE.Color( 0xff0000 ) }
|
|
|
|
};
|
|
|
|
var shaderMaterial = new THREE.ShaderMaterial( {
|
|
|
|
uniforms: uniforms,
|
|
attributes: attributes,
|
|
vertexShader: document.getElementById( 'vertexshader' ).textContent,
|
|
fragmentShader: document.getElementById( 'fragmentshader' ).textContent,
|
|
blending: THREE.AdditiveBlending,
|
|
depthTest: false,
|
|
transparent: true
|
|
|
|
});
|
|
|
|
shaderMaterial.linewidth = 1;
|
|
|
|
geometry = new THREE.TextGeometry( text, {
|
|
|
|
size: size,
|
|
height: height,
|
|
curveSegments: curveSegments,
|
|
|
|
font: font,
|
|
weight: weight,
|
|
style: style,
|
|
|
|
bevelThickness: bevelThickness,
|
|
bevelSize: bevelSize,
|
|
bevelEnabled: bevelEnabled,
|
|
bevelSegments: bevelSegments,
|
|
|
|
steps: steps
|
|
|
|
});
|
|
|
|
geometry.dynamic = true;
|
|
|
|
geometry.center();
|
|
|
|
object = new THREE.Line( geometry, shaderMaterial, THREE.LineStrip );
|
|
|
|
var vertices = object.geometry.vertices;
|
|
|
|
var displacement = attributes.displacement.value;
|
|
var color = attributes.customColor.value;
|
|
|
|
for( var v = 0; v < vertices.length; v ++ ) {
|
|
|
|
displacement[ v ] = new THREE.Vector3();
|
|
|
|
color[ v ] = new THREE.Color( 0xffffff );
|
|
color[ v ].setHSL( v / vertices.length, 0.5, 0.5 );
|
|
|
|
}
|
|
|
|
object.rotation.x = 0.2;
|
|
|
|
scene.add( object );
|
|
|
|
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();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
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;
|
|
|
|
object.rotation.y = 0.25 * time;
|
|
|
|
uniforms.amplitude.value = 0.5 * Math.sin( 0.5 * time );
|
|
uniforms.color.value.offsetHSL( 0.0005, 0, 0 );
|
|
|
|
var nx, ny, nz, value;
|
|
|
|
for( var i = 0, il = attributes.displacement.value.length; i < il; i ++ ) {
|
|
|
|
nx = 0.3 * ( 0.5 - Math.random() );
|
|
ny = 0.3 * ( 0.5 - Math.random() );
|
|
nz = 0.3 * ( 0.5 - Math.random() );
|
|
|
|
value = attributes.displacement.value[ i ];
|
|
|
|
value.x += nx;
|
|
value.y += ny;
|
|
value.z += nz;
|
|
|
|
}
|
|
|
|
attributes.displacement.needsUpdate = true;
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
|
|
</script>
|
|
|
|
</body>
|
|
|
|
</html>
|