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webgl_particles_dynamic.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - particles - dynamic - postprocessing</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: #fff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000;
margin: 0px;
overflow: hidden;
}
#info {
color:#fff;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a { color: red; }
</style>
</head>
<body>
<div id="container"></div>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - webgl dynamic particles + postprocessing
- models by <a href="http://sketchup.google.com/3dwarehouse/details?mid=2c6fd128fca34052adc5f5b98d513da1" target="_blank">Reallusion</a>
<a href="http://sketchup.google.com/3dwarehouse/details?mid=f526cc4abf7cb68d76cab47c765b7255" target="_blank">iClone</a>,
<a href="http://artist-3d.com/free_3d_models/dnm/model_disp.php?uid=1129" target="_blank">Troyano</a>
</div>
<script src="../build/three.min.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/FocusShader.js"></script>
<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/BloomPass.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script src="js/postprocessing/FilmPass.js"></script>
<script src="js/Detector.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var SCREEN_HEIGHT = window.innerHeight;
var SCREEN_WIDTH = window.innerWidth;
var container;
var camera, scene, renderer, mesh, directionalLight;
var parent, meshes = [], clonemeshes = [];
var p;
var aloader, bloader;
var total = 0, totaln = 0;
var composer, effectFocus;
var clock = new THREE.Clock();
init();
animate();
function init() {
container = document.getElementById( 'container' );
camera = new THREE.PerspectiveCamera( 20, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 50000 );
camera.position.set( 0, 700, 7000 );
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000104, 0.0000675 );
camera.lookAt( scene.position );
//
aloader = new THREE.JSONLoader( );
bloader = new THREE.BinaryLoader( true );
document.body.appendChild( bloader.statusDomElement );
aloader.load( "obj/terrain.js", function( geometry ) {
createMesh( geometry, scene, 16.8, -11000, -200, -5000, 0x00ff44, false );
createMesh( geometry, scene, 16.8, 11000, -200, -15000, 0x00ff33, false );
createMesh( geometry, scene, 16.8, 0, -200, -15000, 0x00ff33, false );
createMesh( geometry, scene, 16.8, 0, -200, 15000, 0x00ff33, false );
createMesh( geometry, scene, 16.8, 11000, -200, 15000, 0x00ff22, false );
createMesh( geometry, scene, 16.8, -11000, -200, 5000, 0x00ff11, false );
createMesh( geometry, scene, 16.8, 13000, -200, 5000, 0x00ff55, false );
createMesh( geometry, scene, 16.8, 13000, -200, -5000, 0x00ff66, false );
} );
bloader.load( "obj/veyron/VeyronNoUv_bin.js", function( geometry ) { createMesh( geometry, scene, 6.8, 2200, -200, -100, 0x0055ff, false ) } );
bloader.load( "obj/female02/Female02_bin.js", function( geometry ) {
createMesh( geometry, scene, 4.05, -1000, -350, 0, 0xffdd44, true );
createMesh( geometry, scene, 4.05, 0, -350, 0, 0xffffff, true );
createMesh( geometry, scene, 4.05, 1000, -350, 400, 0xff4422, true );
createMesh( geometry, scene, 4.05, 250, -350, 1500, 0xff9955, true );
createMesh( geometry, scene, 4.05, 250, -350, 2500, 0xff77dd, true );
} );
bloader.load( "obj/male02/Male02_bin.js", function( geometry ) {
createMesh( geometry, scene, 4.05, -500, -350, 600, 0xff7744, true );
createMesh( geometry, scene, 4.05, 500, -350, 0, 0xff5522, true );
createMesh( geometry, scene, 4.05, -250, -350, 1500, 0xff9922, true );
createMesh( geometry, scene, 4.05, -250, -350, -1500, 0xff99ff, true );
} );
//
renderer = new THREE.WebGLRenderer( { clearColor: 0x000000, clearAlpha: 1, antialias: false } );
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
renderer.autoClear = false;
renderer.sortObjects = false;
container.appendChild( renderer.domElement );
renderer.setClearColor( scene.fog.color, 1 );
//
parent = new THREE.Object3D();
scene.add( parent );
var grid = new THREE.ParticleSystem( new THREE.PlaneGeometry( 15000, 15000, 64, 64 ), new THREE.ParticleBasicMaterial( { color: 0xff0000, size: 10 } ) );
grid.position.y = -400;
grid.rotation.x = - Math.PI / 2;
parent.add( grid );
totaln += 1;
total += grid.geometry.vertices.length;
// postprocessing
var renderModel = new THREE.RenderPass( scene, camera );
var effectBloom = new THREE.BloomPass( 0.75 );
var effectFilm = new THREE.FilmPass( 0.5, 0.5, 1448, false );
effectFocus = new THREE.ShaderPass( THREE.FocusShader );
effectFocus.uniforms[ "screenWidth" ].value = window.innerWidth;
effectFocus.uniforms[ "screenHeight" ].value = window.innerHeight;
effectFocus.renderToScreen = true;
composer = new THREE.EffectComposer( renderer );
composer.addPass( renderModel );
composer.addPass( effectBloom );
composer.addPass( effectFilm );
composer.addPass( effectFocus );
//
window.addEventListener( 'resize', onWindowResize, false );
}
//
function onWindowResize( event ) {
renderer.setSize( window.innerWidth, window.innerHeight );
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
camera.lookAt( scene.position );
composer.reset();
effectFocus.uniforms[ "screenWidth" ].value = window.innerWidth;
effectFocus.uniforms[ "screenHeight" ].value = window.innerHeight;
}
//
function createMesh( originalGeometry, scene, scale, x, y, z, color, dynamic ) {
var i, c;
var vertices = originalGeometry.vertices;
var vl = vertices.length;
var geometry = new THREE.Geometry();
var vertices_tmp = [];
for ( i = 0; i < vl; i ++ ) {
p = vertices[ i ];
geometry.vertices[ i ] = p.clone();
vertices_tmp[ i ] = [ p.x, p.y, p.z, 0, 0 ];
}
var clones = [
[ 6000, 0, -4000 ],
[ 5000, 0, 0 ],
[ 1000, 0, 5000 ],
[ 1000, 0, -5000 ],
[ 4000, 0, 2000 ],
[ -4000, 0, 1000 ],
[ -5000, 0, -5000 ],
[ 0, 0, 0 ]
];
if ( dynamic ) {
for ( i = 0; i < clones.length; i ++ ) {
c = ( i < clones.length -1 ) ? 0x252525 : color;
mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: c } ) );
mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
mesh.position.x = x + clones[ i ][ 0 ];
mesh.position.y = y + clones[ i ][ 1 ];
mesh.position.z = z + clones[ i ][ 2 ];
parent.add( mesh );
clonemeshes.push( { mesh: mesh, speed: 0.5 + Math.random() } );
}
totaln += clones.length;
total += clones.length * vl;
} else {
mesh = new THREE.ParticleSystem( geometry, new THREE.ParticleBasicMaterial( { size: 3, color: color } ) );
mesh.scale.x = mesh.scale.y = mesh.scale.z = scale;
mesh.position.x = x;
mesh.position.y = y;
mesh.position.z = z;
parent.add( mesh );
totaln += 1;
total += vl;
}
bloader.statusDomElement.style.display = "none";
meshes.push( {
mesh: mesh, vertices: geometry.vertices, vertices_tmp: vertices_tmp, vl: vl,
down: 0, up: 0, direction: 0, speed: 35, delay: Math.floor( 200 + 200 * Math.random() ),
started: false, start: Math.floor( 100 + 200 * Math.random() ),
dynamic: dynamic
} );
}
var j, jl, cm, data, vertices, vertices_tmp, vl, d, vt;
function animate () {
requestAnimationFrame( animate );
render();
}
function render () {
delta = 10 * clock.getDelta();
delta = delta < 2 ? delta : 2;
parent.rotation.y += -0.02 * delta;
for( j = 0, jl = clonemeshes.length; j < jl; j ++ ) {
cm = clonemeshes[ j ];
cm.mesh.rotation.y += -0.1 * delta * cm.speed;
}
for( j = 0, jl = meshes.length; j < jl; j ++ ) {
data = meshes[ j ];
mesh = data.mesh;
vertices = data.vertices;
vertices_tmp = data.vertices_tmp;
vl = data.vl;
if ( ! data.dynamic ) continue;
if ( data.start > 0 ) {
data.start -= 1;
} else {
if ( !data.started ) {
data.direction = -1;
data.started = true;
}
}
for ( i = 0; i < vl; i ++ ) {
p = vertices[ i ];
vt = vertices_tmp[ i ];
// falling down
if ( data.direction < 0 ) {
// var d = Math.abs( p.x - vertices_tmp[ i ][ 0 ] ) + Math.abs( p.y - vertices_tmp[ i ][ 1 ] ) + Math.abs( p.z - vertices_tmp[ i ][ 2 ] );
// if ( d < 200 ) {
if ( p.y > 0 ) {
// p.y += data.direction * data.speed * delta;
p.x += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
p.y += 3.0 * ( 0.25 - Math.random() ) * data.speed * delta;
p.z += 1.5 * ( 0.50 - Math.random() ) * data.speed * delta;
} else {
if ( ! vt[ 3 ] ) {
vt[ 3 ] = 1;
data.down += 1;
}
}
}
// rising up
if ( data.direction > 0 ) {
//if ( p.y < vertices_tmp[ i ][ 1 ] ) {
// p.y += data.direction * data.speed * delta;
d = Math.abs( p.x - vt[ 0 ] ) + Math.abs( p.y - vt[ 1 ] ) + Math.abs( p.z - vt[ 2 ] );
if ( d > 1 ) {
p.x += - ( p.x - vt[ 0 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
p.y += - ( p.y - vt[ 1 ] ) / d * data.speed * delta * ( 1 + Math.random() );
p.z += - ( p.z - vt[ 2 ] ) / d * data.speed * delta * ( 0.85 - Math.random() );
} else {
if ( ! vt[ 4 ] ) {
vt[ 4 ] = 1;
data.up += 1;
}
}
}
}
// all down
if ( data.down === vl ) {
if ( data.delay === 0 ) {
data.direction = 1;
data.speed = 10;
data.down = 0;
data.delay = 320;
for ( i = 0; i < vl; i ++ ) {
vertices_tmp[ i ][ 3 ] = 0;
}
} else {
data.delay -= 1;
}
}
// all up
if ( data.up === vl ) {
if ( data.delay === 0 ) {
data.direction = -1;
data.speed = 35;
data.up = 0;
data.delay = 120;
for ( i = 0; i < vl; i ++ ) {
vertices_tmp[ i ][ 4 ] = 0;
}
} else {
data.delay -= 1;
}
}
mesh.geometry.verticesNeedUpdate = true;
}
renderer.clear();
composer.render( 0.01 );
}
</script>
</body>
</html>