mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
229 lines
5.5 KiB
HTML
Executable File
229 lines
5.5 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - particles - sprites</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 {
|
|
background-color: #000000;
|
|
margin: 0px;
|
|
overflow: hidden;
|
|
font-family:Monospace;
|
|
font-size:13px;
|
|
text-align:center;
|
|
font-weight: bold;
|
|
text-align:center;
|
|
}
|
|
|
|
a {
|
|
color:#0078ff;
|
|
}
|
|
|
|
#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> - webgl particle sprites example -
|
|
snowflakes by <a href="http://en.wikipedia.org/wiki/File:Sketch_of_snow_crystal_by_Ren%C3%A9_Descartes.jpg">René Descartes</a>
|
|
</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, particles, geometry, materials = [], parameters, i, h, color, sprite, size;
|
|
var mouseX = 0, mouseY = 0;
|
|
|
|
var windowHalfX = window.innerWidth / 2;
|
|
var windowHalfY = window.innerHeight / 2;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 2000 );
|
|
camera.position.z = 1000;
|
|
|
|
scene = new THREE.Scene();
|
|
scene.fog = new THREE.FogExp2( 0x000000, 0.0008 );
|
|
|
|
geometry = new THREE.Geometry();
|
|
|
|
sprite1 = THREE.ImageUtils.loadTexture( "textures/sprites/snowflake1.png" );
|
|
sprite2 = THREE.ImageUtils.loadTexture( "textures/sprites/snowflake2.png" );
|
|
sprite3 = THREE.ImageUtils.loadTexture( "textures/sprites/snowflake3.png" );
|
|
sprite4 = THREE.ImageUtils.loadTexture( "textures/sprites/snowflake4.png" );
|
|
sprite5 = THREE.ImageUtils.loadTexture( "textures/sprites/snowflake5.png" );
|
|
|
|
for ( i = 0; i < 10000; i ++ ) {
|
|
|
|
var vertex = new THREE.Vector3();
|
|
vertex.x = Math.random() * 2000 - 1000;
|
|
vertex.y = Math.random() * 2000 - 1000;
|
|
vertex.z = Math.random() * 2000 - 1000;
|
|
|
|
geometry.vertices.push( vertex );
|
|
|
|
}
|
|
|
|
parameters = [ [ [1.0, 0.2, 0.5], sprite2, 20 ],
|
|
[ [0.95, 0.1, 0.5], sprite3, 15 ],
|
|
[ [0.90, 0.05, 0.5], sprite1, 10 ],
|
|
[ [0.85, 0, 0.5], sprite5, 8 ],
|
|
[ [0.80, 0, 0.5], sprite4, 5 ],
|
|
];
|
|
|
|
for ( i = 0; i < parameters.length; i ++ ) {
|
|
|
|
color = parameters[i][0];
|
|
sprite = parameters[i][1];
|
|
size = parameters[i][2];
|
|
|
|
materials[i] = new THREE.PointCloudMaterial( { size: size, map: sprite, blending: THREE.AdditiveBlending, depthTest: false, transparent : true } );
|
|
materials[i].color.setHSL( color[0], color[1], color[2] );
|
|
|
|
particles = new THREE.PointCloud( geometry, materials[i] );
|
|
|
|
particles.rotation.x = Math.random() * 6;
|
|
particles.rotation.y = Math.random() * 6;
|
|
particles.rotation.z = Math.random() * 6;
|
|
|
|
scene.add( particles );
|
|
|
|
}
|
|
|
|
renderer = new THREE.WebGLRenderer();
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
container.appendChild( renderer.domElement );
|
|
|
|
stats = new Stats();
|
|
stats.domElement.style.position = 'absolute';
|
|
stats.domElement.style.top = '0px';
|
|
container.appendChild( stats.domElement );
|
|
|
|
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
|
|
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
|
|
document.addEventListener( 'touchmove', onDocumentTouchMove, false );
|
|
|
|
//
|
|
|
|
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 );
|
|
|
|
}
|
|
|
|
function onDocumentMouseMove( event ) {
|
|
|
|
mouseX = event.clientX - windowHalfX;
|
|
mouseY = event.clientY - windowHalfY;
|
|
|
|
}
|
|
|
|
function onDocumentTouchStart( event ) {
|
|
|
|
if ( event.touches.length === 1 ) {
|
|
|
|
event.preventDefault();
|
|
|
|
mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
|
mouseY = event.touches[ 0 ].pageY - windowHalfY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function onDocumentTouchMove( event ) {
|
|
|
|
if ( event.touches.length === 1 ) {
|
|
|
|
event.preventDefault();
|
|
|
|
mouseX = event.touches[ 0 ].pageX - windowHalfX;
|
|
mouseY = event.touches[ 0 ].pageY - windowHalfY;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
|
|
render();
|
|
stats.update();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
var time = Date.now() * 0.00005;
|
|
|
|
camera.position.x += ( mouseX - camera.position.x ) * 0.05;
|
|
camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
|
|
|
|
camera.lookAt( scene.position );
|
|
|
|
for ( i = 0; i < scene.children.length; i ++ ) {
|
|
|
|
var object = scene.children[ i ];
|
|
|
|
if ( object instanceof THREE.PointCloud ) {
|
|
|
|
object.rotation.y = time * ( i < 4 ? i + 1 : - ( i + 1 ) );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for ( i = 0; i < materials.length; i ++ ) {
|
|
|
|
color = parameters[i][0];
|
|
|
|
h = ( 360 * ( color[0] + time ) % 360 ) / 360;
|
|
materials[i].color.setHSL( h, color[1], color[2] );
|
|
|
|
}
|
|
|
|
renderer.render( scene, camera );
|
|
|
|
}
|
|
|
|
|
|
</script>
|
|
</body>
|
|
</html>
|