Tone.js/Tone/signal/AudioToGain.js
2015-04-05 14:42:14 -04:00

38 lines
No EOL
781 B
JavaScript

define(["Tone/core/Tone", "Tone/signal/WaveShaper", "Tone/signal/Signal"], function(Tone){
"use strict";
/**
* @class AudioToGain converts an input range of -1,1 to 0,1
*
* @extends {Tone.SignalBase}
* @constructor
* @example
* var a2g = new Tone.AudioToGain();
*/
Tone.AudioToGain = function(){
/**
* @type {WaveShaperNode}
* @private
*/
this._norm = this.input = this.output = new Tone.WaveShaper(function(x){
return (x + 1) / 2;
});
};
Tone.extend(Tone.AudioToGain, Tone.SignalBase);
/**
* clean up
* @returns {Tone.AudioToGain} `this`
*/
Tone.AudioToGain.prototype.dispose = function(){
Tone.prototype.dispose.call(this);
this._norm.dispose();
this._norm = null;
return this;
};
return Tone.AudioToGain;
});