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feat: use GreenPlayer in AudioPlayer

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Michael "Z" Goddard 2018-06-12 09:21:03 -04:00
parent 2a63b0b027
commit 961749815c
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GPG key ID: 762CD40DD5349872
1 changed files with 28 additions and 38 deletions
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66
src/AudioPlayer.js
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@ -2,7 +2,7 @@ const PanEffect = require('./effects/PanEffect');
const PitchEffect = require('./effects/PitchEffect');
const VolumeEffect = require('./effects/VolumeEffect');
const SoundPlayer = require('./SoundPlayer');
const SoundPlayer = require('./GreenPlayer');
class AudioPlayer {
/**
@ -17,7 +17,7 @@ class AudioPlayer {
this.outputNode = this.audioEngine.audioContext.createGain();
// Create the audio effects
// Create the audio effects.
const volumeEffect = new VolumeEffect(this.audioEngine, this, null);
const pitchEffect = new PitchEffect(this.audioEngine, this, volumeEffect);
const panEffect = new PanEffect(this.audioEngine, this, pitchEffect);
@ -33,12 +33,11 @@ class AudioPlayer {
pitchEffect.connect(panEffect);
volumeEffect.connect(pitchEffect);
// reset effects to their default parameters
// Reset effects to their default parameters.
this.clearEffects();
// sound players that are currently playing, indexed by the sound's
// soundId
this.activeSoundPlayers = {};
// SoundPlayers mapped by sound id.
this.soundPlayers = {};
}
/**
@ -55,7 +54,19 @@ class AudioPlayer {
* players
*/
getSoundPlayers () {
return this.activeSoundPlayers;
return this.soundPlayers;
}
/**
* Add a SoundPlayer instance to soundPlayers map.
* @param {SoundPlayer} soundPlayer - SoundPlayer instance to add
*/
addSoundPlayer (soundPlayer) {
this.soundPlayers[soundPlayer.id] = soundPlayer;
for (const effectName in this.effects) {
this.effects[effectName].update();
}
}
/**
@ -64,37 +75,16 @@ class AudioPlayer {
* @return {Promise} a Promise that resolves when the sound finishes playing
*/
playSound (soundId) {
// if this sound is not in the audio engine, return
if (!this.audioEngine.audioBuffers[soundId]) {
return;
}
// if this sprite or clone is already playing this sound, stop it first
if (this.activeSoundPlayers[soundId]) {
this.activeSoundPlayers[soundId].stop();
}
// create a new soundplayer to play the sound
const player = new SoundPlayer(this.audioEngine.audioContext);
player.setBuffer(this.audioEngine.audioBuffers[soundId]);
player.connect(this.outputNode);
player.start();
// add it to the list of active sound players
this.activeSoundPlayers[soundId] = player;
for (const effectName in this.effects) {
this.effects[effectName].update();
}
// remove sounds that are not playing from the active sound players
// array
for (const id in this.activeSoundPlayers) {
if (this.activeSoundPlayers.hasOwnProperty(id)) {
if (!this.activeSoundPlayers[id].isPlaying) {
delete this.activeSoundPlayers[id];
}
}
if (!this.soundPlayers[soundId]) {
this.addSoundPlayer(new SoundPlayer(
this.audioEngine,
{id: soundId, buffer: this.audioEngine.audioBuffers[soundId]}
));
}
const player = this.soundPlayers[soundId];
player.connect(this);
player.play();
return player.finished();
}
@ -104,8 +94,8 @@ class AudioPlayer {
*/
stopAllSounds () {
// stop all active sound players
for (const soundId in this.activeSoundPlayers) {
this.activeSoundPlayers[soundId].stop();
for (const soundId in this.soundPlayers) {
this.soundPlayers[soundId].stop();
}
}