Gecko [ dp-client.com ]

Name	Size	Permission
Audio.js	5.93 KB	-rw-r--r--
AudioAnalyser.js	591 B	-rw-r--r--
AudioContext.js	284 B	-rw-r--r--
AudioListener.js	2.83 KB	-rw-r--r--
PositionalAudio.js	2.59 KB	-rw-r--r--

Code Editor : AudioListener.js

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

const _position = /*@__PURE__*/ new Vector3();
const _quaternion = /*@__PURE__*/ new Quaternion();
const _scale = /*@__PURE__*/ new Vector3();
const _orientation = /*@__PURE__*/ new Vector3();

class AudioListener extends Object3D {

constructor() {

super();

this.type = 'AudioListener';

this.context = AudioContext.getContext();

this.gain = this.context.createGain();
		this.gain.connect( this.context.destination );

this.filter = null;

this.timeDelta = 0;

// private

this._clock = new Clock();

}

getInput() {

return this.gain;

}

removeFilter() {

if ( this.filter !== null ) {

this.gain.disconnect( this.filter );
			this.filter.disconnect( this.context.destination );
			this.gain.connect( this.context.destination );
			this.filter = null;

}

return this;

}

getFilter() {

return this.filter;

}

setFilter( value ) {

if ( this.filter !== null ) {

this.gain.disconnect( this.filter );
			this.filter.disconnect( this.context.destination );

} else {

this.gain.disconnect( this.context.destination );

}

this.filter = value;
		this.gain.connect( this.filter );
		this.filter.connect( this.context.destination );

return this;

}

getMasterVolume() {

return this.gain.gain.value;

}

setMasterVolume( value ) {

this.gain.gain.setTargetAtTime( value, this.context.currentTime, 0.01 );

return this;

}

updateMatrixWorld( force ) {

super.updateMatrixWorld( force );

const listener = this.context.listener;
		const up = this.up;

this.timeDelta = this._clock.getDelta();

this.matrixWorld.decompose( _position, _quaternion, _scale );

_orientation.set( 0, 0, - 1 ).applyQuaternion( _quaternion );

if ( listener.positionX ) {

// code path for Chrome (see #14393)

const endTime = this.context.currentTime + this.timeDelta;

listener.positionX.linearRampToValueAtTime( _position.x, endTime );
			listener.positionY.linearRampToValueAtTime( _position.y, endTime );
			listener.positionZ.linearRampToValueAtTime( _position.z, endTime );
			listener.forwardX.linearRampToValueAtTime( _orientation.x, endTime );
			listener.forwardY.linearRampToValueAtTime( _orientation.y, endTime );
			listener.forwardZ.linearRampToValueAtTime( _orientation.z, endTime );
			listener.upX.linearRampToValueAtTime( up.x, endTime );
			listener.upY.linearRampToValueAtTime( up.y, endTime );
			listener.upZ.linearRampToValueAtTime( up.z, endTime );

} else {

listener.setPosition( _position.x, _position.y, _position.z );
			listener.setOrientation( _orientation.x, _orientation.y, _orientation.z, up.x, up.y, up.z );

}

export { AudioListener };

${this.title}

Code Editor : AudioListener.js