mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-28 13:53:49 +01:00
164 lines
3.3 KiB
HTML
Executable File
164 lines
3.3 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - buffergeometry - 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: #cccccc;
|
|
font-family:Monospace;
|
|
font-size:13px;
|
|
text-align:center;
|
|
|
|
background-color: #000000;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
}
|
|
|
|
#info {
|
|
position: absolute;
|
|
top: 0px; width: 100%;
|
|
padding: 5px;
|
|
}
|
|
|
|
a {
|
|
|
|
color: #0080ff;
|
|
}
|
|
|
|
</style>
|
|
</head>
|
|
<body>
|
|
|
|
<div id="container"></div>
|
|
<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> webgl - buffergeometry - lines</div>
|
|
|
|
<script src="../build/three.min.js"></script>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/libs/stats.min.js"></script>
|
|
|
|
<script>
|
|
|
|
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
|
var container, stats;
|
|
|
|
var camera, scene, renderer;
|
|
|
|
var mesh;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
container = document.getElementById( 'container' );
|
|
|
|
//
|
|
|
|
camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 4000 );
|
|
camera.position.z = 2750;
|
|
|
|
scene = new THREE.Scene();
|
|
|
|
|
|
var segments = 10000;
|
|
|
|
var geometry = new THREE.BufferGeometry();
|
|
var material = new THREE.LineBasicMaterial({ vertexColors: THREE.VertexColors });
|
|
|
|
var positions = new Float32Array( segments * 3 );
|
|
var colors = new Float32Array( segments * 3 );
|
|
|
|
var r = 800;
|
|
|
|
for ( var i = 0; i < segments; i ++ ) {
|
|
|
|
var x = Math.random() * r - r / 2;
|
|
var y = Math.random() * r - r / 2;
|
|
var z = Math.random() * r - r / 2;
|
|
|
|
// positions
|
|
|
|
positions[ i * 3 ] = x;
|
|
positions[ i * 3 + 1 ] = y;
|
|
positions[ i * 3 + 2 ] = z;
|
|
|
|
// colors
|
|
|
|
colors[ i * 3 ] = ( x / r ) + 0.5;
|
|
colors[ i * 3 + 1 ] = ( y / r ) + 0.5;
|
|
colors[ i * 3 + 2 ] = ( z / r ) + 0.5;
|
|
|
|
}
|
|
|
|
geometry.addAttribute( 'position', new THREE.BufferAttribute( positions, 3 ) );
|
|
geometry.addAttribute( 'color', new THREE.BufferAttribute( colors, 3 ) );
|
|
|
|
geometry.computeBoundingSphere();
|
|
|
|
mesh = new THREE.Line( geometry, material );
|
|
scene.add( mesh );
|
|
|
|
//
|
|
|
|
renderer = new THREE.WebGLRenderer( { antialias: false } );
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
renderer.gammaInput = true;
|
|
renderer.gammaOutput = true;
|
|
|
|
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;
|
|
|
|
mesh.rotation.x = time * 0.25;
|
|
mesh.rotation.y = time * 0.5;
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|