-
Notifications
You must be signed in to change notification settings - Fork 6
/
Copy pathwebgl_particles_random.html
executable file
·214 lines (139 loc) · 5.1 KB
/
webgl_particles_random.html
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
<!--
webgl_particles_random example by @alteredq
Slightly modified to add leap controls
-->
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - particles</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 particles example using <a href="http://cabbibo.com">Cabbibo</a> Leap Controls
</div>
<!-- THREE SCRIPTS -->
<script src="lib/three.min.js"></script>
<script src="lib/Detector.js"></script>
<script src="lib/stats.min.js"></script>
<!-- LEAP SCRIPT -->
<script src="lib/leap-0.4.3.js"></script>
<!-- LEAP CONTROL -->
<script src="LeapControls.js"></script>
<script>
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var container, stats;
var camera, scene, renderer, particles, geometry, materials = [], parameters, i, h, color;
var mouseX = 0, mouseY = 0;
var clock = new THREE.Clock();
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, 3000 );
camera = new THREE.PerspectiveCamera(70,window.innerWidth/window.innerHeight,1,3000)
camera.position.z = 1000;
/*
ADDED LEAP CONTROLS
*/
controller = new Leap.Controller();
controller.connect();
controls = new THREE.LeapFlyControls( camera , controller );
// API
controls.rollSpeed = .005;
controls.lookSpeed = .018;
controls.movementSpeed = .10;
controls.directionFactor = .01;
controls.positionFactor = .01;
controls.weakDampening = .99;
controls.strongDampening = .90;
controls.dampening = controls.weakDampening;
scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.0007 );
geometry = new THREE.Geometry();
for ( i = 0; i < 20000; 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, 1.0, 1.0], 5 ], [ [0.95, 1, 1], 4 ], [ [0.90, 1, 1], 3 ], [ [0.85, 1, 1], 2 ], [ [0.80, 1, 1], 1 ] ];
//parameters = [ [ 0xff0000, 5 ], [ 0xff3300, 4 ], [ 0xff6600, 3 ], [ 0xff9900, 2 ], [ 0xffaa00, 1 ] ];
//parameters = [ [ 0xffffff, 5 ], [ 0xdddddd, 4 ], [ 0xaaaaaa, 3 ], [ 0x999999, 2 ], [ 0x777777, 1 ] ];
for ( i = 0; i < parameters.length; i ++ ) {
size = parameters[i][1];
color = parameters[i][0];
//materials[i] = new THREE.ParticleBasicMaterial( { color: color, size: size } );
materials[i] = new THREE.ParticleBasicMaterial( { size: size } );
materials[i].color.setHSL( color[0], color[1], color[2] );
particles = new THREE.ParticleSystem( 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.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 );
//
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 animate() {
/*
ADDED LEAP CONTROLS UPDATE
*/
requestAnimationFrame( animate );
controls.update(clock.getDelta() );
render();
stats.update();
}
function render() {
var time = Date.now() * 0.00005;
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>