forked from webglzhang/WebARDemo
-
Notifications
You must be signed in to change notification settings - Fork 0
/
basic.html
204 lines (157 loc) · 5.97 KB
/
basic.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
<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<!-- three.js library -->
<script src='bulid/three.js'></script>
<script src="bulid/stats.js"></script>
<!-- ar.js -->
<script src="bulid/ar.js"></script>
<script src="bulid/MTLLoader.js"></script>
<script src="bulid/OBJLoader.js"></script>
<style>
</style>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;-webkit-transform:translate3d(0,0,0);' ><div style='position: absolute; top: 10px; width:100%; text-align: center; z-index: 1;'>
<div id="Stats-output">
</div>
<a href="https://github.com/jeromeetienne/AR.js/" target="_blank">AR.js</a> - three.js camera transform
<br/>
Contact me any time at <a href='https://twitter.com/jerome_etienne' target='_blank'>@jerome_etienne</a>
</div>
<script>
var obj;
//fps监测
var stats = initStats();
//fps状态
function initStats() {
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms
// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.getElementById("Stats-output").appendChild(stats.domElement);
return stats;
}
// init renderer
var renderer = new THREE.WebGLRenderer({
antialias: true, //开启抗锯齿
alpha: true //开启背景透明
});
renderer.setClearColor(new THREE.Color('lightgrey'), 0);
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.domElement.style.position = 'absolute';
renderer.domElement.style.top = '0px';
renderer.domElement.style.left = '0px';
document.body.appendChild(renderer.domElement);
// array of functions for the rendering loop 呈现循环的函数数组
var onRenderFcts= [];
// 初始化场景和摄像机
var scene = new THREE.Scene();
var light = new THREE.DirectionalLight(0xffffff,1.0);
//位置不同，方向光作用于物体的面也不同，看到的物体各个面的颜色也不同
//light.position.set(0,1,0.5 ).normalize();
light.position.set(0,30,40);
light.castShadow = true; // 启用阴影选项
scene.add(light);
//环境光设置
var ambilight = new THREE.AmbientLight(0xffffff,0.2);
scene.add(ambilight);
// 初始化摄像机位置(0，0，0)
camera=new THREE.Camera();
scene.add(camera);
// handle arToolkitSource
var arToolkitSource = new THREEx.ArToolkitSource({})
arToolkitSource.init(function onReady(){
onResize()
})
// handle resize
window.addEventListener('resize', function(){
onResize()
})
function onResize(){
arToolkitSource.onResize()
arToolkitSource.copySizeTo(renderer.domElement)
if( arToolkitContext.arController !== null ){
arToolkitSource.copySizeTo(arToolkitContext.arController.canvas)
}
}
//initialize arToolkitContext
// create atToolkitContext
var arToolkitContext = new THREEx.ArToolkitContext({
cameraParametersUrl: 'data/camera_para.dat',
detectionMode: 'mono',
})
// initialize it
arToolkitContext.init(function onCompleted(){
// copy projection matrix to camera
camera.projectionMatrix.copy( arToolkitContext.getProjectionMatrix() );
})
// update artoolkit on every frame
onRenderFcts.push(function(){
if( arToolkitSource.ready === false ) return
arToolkitContext.update( arToolkitSource.domElement )
// update scene.visible if the marker is seen
scene.visible = camera.visible
})
// init controls for camera
var markerControls = new THREEx.ArMarkerControls(arToolkitContext,camera, {
type : 'pattern',
patternUrl : 'arcode/marker89.td',
// patternUrl : THREEx.ArToolkitContext.baseURL + '../data/data/patt.kanji',
// as we controls the camera, set changeMatrixMode: 'cameraTransformMatrix'
changeMatrixMode: 'cameraTransformMatrix'
})
scene.visible = false;
// scene.visible = false;
onRenderFcts.push(function(delta){
// if(obj)
// {
// obj.rotation.y=+1;
// }
});
//render the whole thing on the page
// render the scene
onRenderFcts.push(function(){
renderer.render( scene, camera );
});
// run the rendering loop
var lastTimeMsec= null
requestAnimationFrame(function animate(nowMsec){
// keep looping
requestAnimationFrame( animate );
// stats.update();
// measure time
lastTimeMsec = lastTimeMsec || nowMsec-1000/60
var deltaMsec = Math.min(200, nowMsec - lastTimeMsec)
lastTimeMsec = nowMsec
// call each update function
onRenderFcts.forEach(
function(onRenderFct){
onRenderFct(deltaMsec/1000, nowMsec/1000)
})
})
var onProgress = function ( xhr ) {
if ( xhr.lengthComputable ) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log( Math.round(percentComplete, 2) + '% downloaded' );
}
};
var onError = function ( xhr ) { };
var mtlLoader = new THREE.MTLLoader();
mtlLoader.setPath( 'obj/' );
mtlLoader.load( 'jj.mtl', function( materials ) {
materials.preload();
var objLoader = new THREE.OBJLoader();
objLoader.setMaterials( materials );
objLoader.setPath( 'obj/' );
objLoader.load( 'jj.obj', function ( object ) {
obj=object;
scene.add( object );
object.position.set(0,0,0);
object.scale.set(0.001,0.001,0.001);
var axes=new THREE.AxisHelper(10);
scene.add(axes);
}, onProgress, onError );
});
</script></body>