File size: 2,795 Bytes
6cd9596
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
/**
 * @author mrdoob / http://mrdoob.com/
 */

import { Vector3 } from '../math/Vector3.js';
import { Quaternion } from '../math/Quaternion.js';
import { Audio } from './Audio.js';
import { Object3D } from '../core/Object3D.js';

function PositionalAudio( listener ) {

	Audio.call( this, listener );

	this.panner = this.context.createPanner();
	this.panner.connect( this.gain );

}

PositionalAudio.prototype = Object.assign( Object.create( Audio.prototype ), {

	constructor: PositionalAudio,

	getOutput: function () {

		return this.panner;

	},

	getRefDistance: function () {

		return this.panner.refDistance;

	},

	setRefDistance: function ( value ) {

		this.panner.refDistance = value;

		return this;

	},

	getRolloffFactor: function () {

		return this.panner.rolloffFactor;

	},

	setRolloffFactor: function ( value ) {

		this.panner.rolloffFactor = value;

		return this;

	},

	getDistanceModel: function () {

		return this.panner.distanceModel;

	},

	setDistanceModel: function ( value ) {

		this.panner.distanceModel = value;

		return this;

	},

	getMaxDistance: function () {

		return this.panner.maxDistance;

	},

	setMaxDistance: function ( value ) {

		this.panner.maxDistance = value;

		return this;

	},

	setDirectionalCone: function ( coneInnerAngle, coneOuterAngle, coneOuterGain ) {

		this.panner.coneInnerAngle = coneInnerAngle;
		this.panner.coneOuterAngle = coneOuterAngle;
		this.panner.coneOuterGain = coneOuterGain;

		return this;

	},

	updateMatrixWorld: ( function () {

		var position = new Vector3();
		var quaternion = new Quaternion();
		var scale = new Vector3();

		var orientation = new Vector3();

		return function updateMatrixWorld( force ) {

			Object3D.prototype.updateMatrixWorld.call( this, force );

			if ( this.hasPlaybackControl === true && this.isPlaying === false ) return;

			this.matrixWorld.decompose( position, quaternion, scale );

			orientation.set( 0, 0, 1 ).applyQuaternion( quaternion );

			var panner = this.panner;

			if ( panner.positionX ) {

				// code path for Chrome and Firefox (see #14393)

				var endTime = this.context.currentTime + this.listener.timeDelta;

				panner.positionX.linearRampToValueAtTime( position.x, endTime );
				panner.positionY.linearRampToValueAtTime( position.y, endTime );
				panner.positionZ.linearRampToValueAtTime( position.z, endTime );
				panner.orientationX.linearRampToValueAtTime( orientation.x, endTime );
				panner.orientationY.linearRampToValueAtTime( orientation.y, endTime );
				panner.orientationZ.linearRampToValueAtTime( orientation.z, endTime );

			} else {

				panner.setPosition( position.x, position.y, position.z );
				panner.setOrientation( orientation.x, orientation.y, orientation.z );

			}

		};

	} )()


} );

export { PositionalAudio };