2014-10-22 21:26:10 -04:00
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define(["Tone/core/Tone", "Tone/signal/EqualZero", "Tone/signal/Subtract", "Tone/signal/Signal"], function(Tone){
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2014-07-02 23:37:19 -04:00
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2014-09-04 00:41:40 -04:00
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"use strict";
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2014-07-02 23:37:19 -04:00
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/**
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2014-10-22 21:26:10 -04:00
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* @class Output 1 if the signal is equal to the value, otherwise outputs 0.
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2014-11-04 01:21:42 -05:00
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* Can accept two signals if connected to inputs 0 and 1.
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2014-07-02 23:37:19 -04:00
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*
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* @constructor
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2014-11-30 23:26:06 -05:00
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* @extends {Tone.SignalBase}
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2015-06-20 15:50:57 -04:00
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* @param {number=} value The number to compare the incoming signal to
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2015-02-27 13:40:35 -05:00
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* @example
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2015-06-14 01:17:09 -04:00
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* var eq = new Tone.Equal(3);
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* var sig = new Tone.Signal(3).connect(eq);
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* //the output of eq is 1.
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2014-07-02 23:37:19 -04:00
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*/
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Tone.Equal = function(value){
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2014-11-04 01:21:42 -05:00
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Tone.call(this, 2, 0);
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2014-07-02 23:37:19 -04:00
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/**
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2014-10-22 21:26:10 -04:00
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* subtract the value from the incoming signal
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*
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2014-07-02 23:37:19 -04:00
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* @type {Tone.Add}
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2014-10-22 21:26:10 -04:00
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* @private
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2014-07-02 23:37:19 -04:00
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*/
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2014-10-22 21:26:10 -04:00
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this._sub = this.input[0] = new Tone.Subtract(value);
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2014-07-02 23:37:19 -04:00
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/**
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* @type {Tone.EqualZero}
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2014-10-22 21:26:10 -04:00
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* @private
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2014-07-02 23:37:19 -04:00
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*/
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2014-10-22 21:26:10 -04:00
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this._equals = this.output = new Tone.EqualZero();
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2014-07-02 23:37:19 -04:00
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2014-10-22 21:26:10 -04:00
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this._sub.connect(this._equals);
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this.input[1] = this._sub.input[1];
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2014-07-02 23:37:19 -04:00
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};
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2014-11-30 23:26:06 -05:00
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Tone.extend(Tone.Equal, Tone.SignalBase);
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2014-07-02 23:37:19 -04:00
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/**
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2015-02-06 17:47:26 -05:00
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* The value to compare to the incoming signal.
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* @memberOf Tone.Equal#
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* @type {number}
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* @name value
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2014-07-02 23:37:19 -04:00
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*/
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2015-02-06 17:47:26 -05:00
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Object.defineProperty(Tone.Equal.prototype, "value", {
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get : function(){
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return this._sub.value;
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},
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set : function(value){
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this._sub.value = value;
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}
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});
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2014-07-02 23:37:19 -04:00
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/**
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2015-06-19 00:52:04 -04:00
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* Clean up.
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2015-06-13 20:54:29 -04:00
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* @returns {Tone.Equal} this
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2014-07-02 23:37:19 -04:00
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*/
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Tone.Equal.prototype.dispose = function(){
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2014-09-06 18:55:11 -04:00
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Tone.prototype.dispose.call(this);
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2015-04-05 14:25:01 -04:00
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this._equals.dispose();
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2014-07-02 23:37:19 -04:00
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this._equals = null;
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2014-10-22 21:26:10 -04:00
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this._sub.dispose();
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this._sub = null;
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2015-02-01 22:56:33 -05:00
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return this;
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2014-07-02 23:37:19 -04:00
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};
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return Tone.Equal;
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});
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