136 lines
2.9 KiB
JavaScript
136 lines
2.9 KiB
JavaScript
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/**
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* @author mrdoob / http://mrdoob.com/
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*/
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import { Vector3 } from '../math/Vector3.js';
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import { Quaternion } from '../math/Quaternion.js';
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import { Object3D } from '../core/Object3D.js';
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import { AudioContext } from './AudioContext.js';
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function AudioListener() {
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Object3D.call( this );
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this.type = 'AudioListener';
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this.context = AudioContext.getContext();
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this.gain = this.context.createGain();
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this.gain.connect( this.context.destination );
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this.filter = null;
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}
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AudioListener.prototype = Object.assign( Object.create( Object3D.prototype ), {
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constructor: AudioListener,
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getInput: function () {
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return this.gain;
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},
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removeFilter: function ( ) {
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if ( this.filter !== null ) {
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this.gain.disconnect( this.filter );
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this.filter.disconnect( this.context.destination );
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this.gain.connect( this.context.destination );
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this.filter = null;
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}
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return this;
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},
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getFilter: function () {
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return this.filter;
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},
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setFilter: function ( value ) {
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if ( this.filter !== null ) {
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this.gain.disconnect( this.filter );
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this.filter.disconnect( this.context.destination );
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} else {
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this.gain.disconnect( this.context.destination );
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}
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this.filter = value;
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this.gain.connect( this.filter );
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this.filter.connect( this.context.destination );
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return this;
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},
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getMasterVolume: function () {
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return this.gain.gain.value;
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},
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setMasterVolume: function ( value ) {
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this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );
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return this;
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},
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updateMatrixWorld: ( function () {
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var position = new Vector3();
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var quaternion = new Quaternion();
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var scale = new Vector3();
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var orientation = new Vector3();
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return function updateMatrixWorld( force ) {
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Object3D.prototype.updateMatrixWorld.call( this, force );
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var listener = this.context.listener;
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var up = this.up;
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this.matrixWorld.decompose( position, quaternion, scale );
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orientation.set( 0, 0, - 1 ).applyQuaternion( quaternion );
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if ( listener.positionX ) {
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listener.positionX.setValueAtTime( position.x, this.context.currentTime );
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listener.positionY.setValueAtTime( position.y, this.context.currentTime );
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listener.positionZ.setValueAtTime( position.z, this.context.currentTime );
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listener.forwardX.setValueAtTime( orientation.x, this.context.currentTime );
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listener.forwardY.setValueAtTime( orientation.y, this.context.currentTime );
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listener.forwardZ.setValueAtTime( orientation.z, this.context.currentTime );
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listener.upX.setValueAtTime( up.x, this.context.currentTime );
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listener.upY.setValueAtTime( up.y, this.context.currentTime );
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listener.upZ.setValueAtTime( up.z, this.context.currentTime );
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} else {
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listener.setPosition( position.x, position.y, position.z );
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listener.setOrientation( orientation.x, orientation.y, orientation.z, up.x, up.y, up.z );
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}
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};
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} )()
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} );
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export { AudioListener };
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