forked from mrdoob/three.js
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathwebgl_geometry_dynamic.html
164 lines (106 loc) · 3.52 KB
/
webgl_geometry_dynamic.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
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - geometry - dynamic</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: #61443e;
font-family:Monospace;
font-size:13px;
text-align:center;
background-color: #aaccff;
margin: 0px;
overflow: hidden;
}
#info {
color: #ffffff;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a {
color: yellow;
}
#webglmessage {
background:rgb(0,0,50) !important;
color:#fff !important;
}
</style>
</head>
<body>
<div id="info"><a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - dynamic geometry demo - webgl<br />(left click: forward, right click: backward)</div>
<script src="../build/three.js"></script>
<script src="js/controls/FirstPersonControls.js"></script>
<script src="js/WebGL.js"></script>
<script src="js/libs/stats.min.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var camera, controls, scene, renderer, stats;
var mesh, geometry, material, clock;
var worldWidth = 128, worldDepth = 128;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 20000 );
camera.position.y = 200;
clock = new THREE.Clock();
controls = new THREE.FirstPersonControls( camera );
controls.movementSpeed = 500;
controls.lookSpeed = 0.1;
scene = new THREE.Scene();
scene.background = new THREE.Color( 0xaaccff );
scene.fog = new THREE.FogExp2( 0xaaccff, 0.0007 );
geometry = new THREE.PlaneBufferGeometry( 20000, 20000, worldWidth - 1, worldDepth - 1 );
geometry.rotateX( - Math.PI / 2 );
var position = geometry.attributes.position;
position.dynamic = true;
for ( var i = 0; i < position.count; i ++ ) {
var y = 35 * Math.sin( i / 2 );
position.setY( i, y );
}
var texture = new THREE.TextureLoader().load( 'textures/water.jpg' );
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 5, 5 );
material = new THREE.MeshBasicMaterial( { color: 0x0044ff, map: texture } );
mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
stats = new Stats();
document.body.appendChild( stats.dom );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
controls.handleResize();
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var delta = clock.getDelta();
var time = clock.getElapsedTime() * 10;
var position = geometry.attributes.position;
for ( var i = 0; i < position.count; i ++ ) {
var y = 35 * Math.sin( i / 5 + ( time + i ) / 7 );
position.setY( i, y );
}
position.needsUpdate = true;
controls.update( delta );
renderer.render( scene, camera );
}
</script>
</body>
</html>