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set volume and change volume

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This commit is contained in:
Eric Rosenbaum 2016-10-25 22:00:34 -04:00
parent 85c4c03076
commit f8aaf553f8
1 changed files with 12 additions and 0 deletions
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12
src/index.js
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@ -207,6 +207,18 @@ AudioEngine.prototype.clearEffects = function () {
this.reverb.wet.value = 0;
};
AudioEngine.prototype.setVolume = function (value) {
var vol = this._clamp(value, 0, 100);
vol /= 100;
this.effectsNode.gain.value = vol;
};
AudioEngine.prototype.changeVolume = function (value) {
value /= 100;
var newVol = this.effectsNode.gain.value + value;
this.effectsNode.gain.value = this._clamp(newVol, 0, 1);
};
AudioEngine.prototype._clamp = function (input, min, max) {
return Math.min(Math.max(input, min), max);
};