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play note and play drum return a promise to wait some number of beats

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Eric Rosenbaum 2017-01-08 18:57:51 -05:00
parent 4cefe6d2ad
commit 2ca88c880e
1 changed files with 12 additions and 6 deletions
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18
src/index.js
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@ -126,15 +126,21 @@ AudioPlayer.prototype.playNoteForBeats = function (note, beats) {
this.instrument.play(
note, Tone.context.currentTime, {duration : Number(beats)}
);
return this.waitForBeats(beats);
};
AudioPlayer.prototype._midiToFreq = function (midiNote) {
var freq = this.tone.intervalToFrequencyRatio(midiNote - 60) * 261.63; // 60 is C4
return freq;
};
AudioPlayer.prototype.playDrumForBeats = function () {
AudioPlayer.prototype.playDrumForBeats = function (beats) {
// this.drumSamplers[drumNum].triggerAttack();
return this.waitForBeats(beats);
};
AudioPlayer.prototype.waitForBeats = function (beats) {
var storedContext = this;
return new Promise(function (resolve) {
setTimeout(function () {
resolve();
}, ((60 / storedContext.currentTempo) * 1000 * beats));
});
};
AudioPlayer.prototype.stopAllSounds = function () {