Tone.js/Tone/signal/Min.js
2014-11-30 17:37:29 -05:00

75 lines
No EOL
1.7 KiB
JavaScript

define(["Tone/core/Tone", "Tone/signal/LessThan", "Tone/signal/IfThenElse", "Tone/signal/Signal"], function(Tone){
"use strict";
/**
* @class outputs the lesser of two signals. If a number is given
* in the constructor, it will use a signal and a number.
*
* @constructor
* @extends {Tone}
* @param {number} min the minimum to compare to the incoming signal
*/
Tone.Min = function(min){
Tone.call(this, 2, 0);
this.input[0] = this.context.createGain();
/**
* @type {Tone.Select}
* @private
*/
this._ifThenElse = this.output = new Tone.IfThenElse();
/**
* @type {Tone.Select}
* @private
*/
this._lt = new Tone.LessThan();
/**
* the min signal
* @type {Tone.Signal}
* @private
*/
this._minSignal = this.input[1] = new Tone.Signal(min);
//connections
this.connectSeries(this.input[0], this._lt, this._ifThenElse.if);
this.input[0].connect(this._ifThenElse.then);
this._minSignal.connect(this._ifThenElse.else);
this._minSignal.connect(this._lt, 0, 1);
};
Tone.extend(Tone.Min);
/**
* set the min value
* @param {number} min the minimum to compare to the incoming signal
*/
Tone.Min.prototype.setMin = function(min){
this._minSignal.setValue(min);
};
/**
* borrows the method from {@link Tone.Signal}
*
* @function
*/
Tone.Min.prototype.connect = Tone.Signal.prototype.connect;
/**
* clean up
*/
Tone.Min.prototype.dispose = function(){
Tone.prototype.dispose.call(this);
this._minSignal.dispose();
this._ifThenElse.dispose();
this._lt.dispose();
this._minSignal = null;
this._ifThenElse = null;
this._lt = null;
};
return Tone.Min;
});