forked from mrdoob/three.js
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathwebgl_helpers.html
142 lines (99 loc) · 3.51 KB
/
webgl_helpers.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
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - helpers</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 {
margin: 0px;
background-color: #000000;
overflow: hidden;
}
</style>
</head>
<body>
<script src="../build/three.js"></script>
<script src="js/loaders/GLTFLoader.js"></script>
<script>
var scene, renderer;
var camera, light;
var fnh, vnh;
init();
animate();
function init() {
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
//
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.z = 400;
scene = new THREE.Scene();
light = new THREE.PointLight();
light.position.set( 200, 100, 150 );
scene.add( light );
scene.add( new THREE.PointLightHelper( light, 15 ) );
var gridHelper = new THREE.GridHelper( 400, 40, 0x0000ff, 0x808080 );
gridHelper.position.y = - 150;
gridHelper.position.x = - 150;
scene.add( gridHelper );
var polarGridHelper = new THREE.PolarGridHelper( 200, 16, 8, 64, 0x0000ff, 0x808080 );
polarGridHelper.position.y = - 150;
polarGridHelper.position.x = 200;
scene.add( polarGridHelper );
var loader = new THREE.GLTFLoader();
loader.load( 'models/gltf/LeePerrySmith/LeePerrySmith.glb', function ( gltf ) {
var mesh = gltf.scene.children[ 0 ];
var group = new THREE.Group();
group.scale.multiplyScalar( 50 );
scene.add( group );
// To make sure that the matrixWorld is up to date for the boxhelpers
group.updateMatrixWorld( true );
group.add( mesh );
vnh = new THREE.VertexNormalsHelper( mesh, 5 );
scene.add( vnh );
scene.add( new THREE.BoxHelper( mesh ) );
var wireframe = new THREE.WireframeGeometry( mesh.geometry );
var line = new THREE.LineSegments( wireframe );
line.material.depthTest = false;
line.material.opacity = 0.25;
line.material.transparent = true;
line.position.x = 4;
group.add( line );
scene.add( new THREE.BoxHelper( line ) );
var edges = new THREE.EdgesGeometry( mesh.geometry );
var line = new THREE.LineSegments( edges );
line.material.depthTest = false;
line.material.opacity = 0.25;
line.material.transparent = true;
line.position.x = - 4;
group.add( line );
scene.add( new THREE.BoxHelper( line ) );
scene.add( new THREE.BoxHelper( group ) );
scene.add( new THREE.BoxHelper( scene ) );
} );
//
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 );
var time = - performance.now() * 0.0003;
camera.position.x = 400 * Math.cos( time );
camera.position.z = 400 * Math.sin( time );
camera.lookAt( scene.position );
light.position.x = Math.sin( time * 1.7 ) * 300;
light.position.y = Math.cos( time * 1.5 ) * 400;
light.position.z = Math.cos( time * 1.3 ) * 300;
if ( fnh ) fnh.update();
if ( vnh ) vnh.update();
renderer.render( scene, camera );
}
</script>
</body>
</html>