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
|
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<base href="../../../" />
<script src="list.js"></script>
<script src="page.js"></script>
<link type="text/css" rel="stylesheet" href="page.css" />
</head>
<body>
[page:Object3D] → [page:Audio] →
<h1>[name]</h1>
<p class="desc">
创建一个位置相关的音频对象.<br /><br />
使用了[link:https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API Web Audio API].
</p>
<h2>示例</h2>
<p>
[example:webaudio_orientation webaudio / orientation ]<br />
[example:webaudio_sandbox webaudio / sandbox ]<br />
[example:webaudio_timing webaudio / timing ]
</p>
<code>
// create an AudioListener and add it to the camera
var listener = new THREE.AudioListener();
camera.add( listener );
// create the PositionalAudio object (passing in the listener)
var sound = new THREE.PositionalAudio( listener );
// load a sound and set it as the PositionalAudio object's buffer
var audioLoader = new THREE.AudioLoader();
audioLoader.load( 'sounds/song.ogg', function( buffer ) {
sound.setBuffer( buffer );
sound.setRefDistance( 20 );
sound.play();
});
// create an object for the sound to play from
var sphere = new THREE.SphereGeometry( 20, 32, 16 );
var material = new THREE.MeshPhongMaterial( { color: 0xff2200 } );
var mesh = new THREE.Mesh( sphere, material );
scene.add( mesh );
// finally add the sound to the mesh
mesh.add( sound );
</code>
<h2>构造函数</h2>
<h3>[name]( [param:AudioListener listener] )</h3>
<p>
listener — (必须) [page:AudioListener AudioListener] 实例.
</p>
<h2>属性</h2>
<p>
[page:Audio Audio]类的继承属性.
</p>
<h3>[property:PannerNode panner]</h3>
<p>位置相关音频的[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode PannerNode].</p>
<h2>方法</h2>
<p>
[page:Audio Audio]类的继承方法.
</p>
<h3>[method:PannerNode getOutput]()</h3>
<p>
返回[page:PositionalAudio.panner panner].
</p>
<h3>[method:Float getRefDistance]()</h3>
<p>
返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/refDistance panner.refDistance]的值.
</p>
<h3>[method:PositionalAudio setRefDistance]( [param:Float value] )</h3>
<p>
设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/refDistance panner.refDistance]的值.
</p>
<h3>[method:Float getRolloffFactor]()</h3>
<p>
返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/rolloffFactor panner.rolloffFactor]的值.
</p>
<h3>[method:PositionalAudio setRolloffFactor]( [param:Float value] )</h3>
<p>
设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/rolloffFactor panner.rolloffFactor]的值.
</p>
<h3>[method:String getDistanceModel]()</h3>
<p>
返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/distanceModel panner.distanceModel]的值.
</p>
<h3>[method:PositionalAudio setDistanceModel]( [param:String value] )</h3>
<p>
设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/distanceModel panner.distanceModel]的值.
</p>
<h3>[method:Float getMaxDistance]()</h3>
<p>
返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/maxDistance panner.maxDistance]的值.
</p>
<h3>[method:PositionalAudio setMaxDistance]( [param:Float value] )</h3>
<p>
设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/maxDistance panner.maxDistance]的值.
</p>
<h3>[method:PositionalAudio setDirectionalCone]( [param:Float coneInnerAngle], [param:Float coneOuterAngle], [param:Float coneOuterGain] )</h3>
<p>
这个方法用来把环绕声音转换为定向声音[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode directional sound].
</p>
<h2>Source</h2>
<p>
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
</p>
</body>
</html>
|
