Tone.js/Tone/signal/Min.js
Yotam Mann 7277a7eb68 wrote Min and Max with IfThenElse
makes the internals much more readable
2014-10-13 19:22:11 -04:00

82 lines
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1.6 KiB
JavaScript

define(["Tone/core/Tone", "Tone/signal/LessThan", "Tone/signal/IfThenElse", "Tone/signal/Signal"], function(Tone){
"use strict";
/**
* @class the output signal is the lesser of the incoming signal and min
*
* @constructor
* @extends {Tone}
* @param {number} min the minimum to compare to the incoming signal
*/
Tone.Min = function(min){
/**
* input node
* @type {GainNode}
*/
this.input = this.context.createGain();
/**
* the min signal
* @type {Tone.Signal}
* @private
*/
this._minSignal = new Tone.Signal(min);
/**
* @type {Tone.Select}
* @private
*/
this._ifThenElse = new Tone.IfThenElse();
/**
* the output node
*/
this.output = this._ifThenElse;
/**
* @type {Tone.Select}
* @private
*/
this._lt = new Tone.LessThan(min);
//connections
this.chain(this.input, this._lt, this._ifThenElse.if);
this.input.connect(this._ifThenElse.then);
this._minSignal.connect(this._ifThenElse.else);
};
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);
this._lt.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;
});