mirror of
https://github.com/Tonejs/Tone.js
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56 lines
1.3 KiB
JavaScript
56 lines
1.3 KiB
JavaScript
import Tone from "../core/Tone";
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import "../signal/GreaterThanZero";
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import "../signal/Subtract";
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import "../signal/Signal";
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/**
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* @class Output 1 if the signal is greater than the value, otherwise outputs 0.
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* can compare two signals or a signal and a number.
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*
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* @constructor
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* @extends {Tone.Signal}
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* @param {number} [value=0] the value to compare to the incoming signal
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* @example
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* var gt = new Tone.GreaterThan(2);
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* var sig = new Tone.Signal(4).connect(gt);
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* //output of gt is equal 1.
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*/
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Tone.GreaterThan = function(value){
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Tone.Signal.call(this);
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this.createInsOuts(2, 0);
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/**
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* subtract the amount from the incoming signal
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* @type {Tone.Subtract}
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* @private
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*/
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this._param = this.input[0] = new Tone.Subtract(value);
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this.input[1] = this._param.input[1];
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/**
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* compare that amount to zero
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* @type {Tone.GreaterThanZero}
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* @private
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*/
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this._gtz = this.output = new Tone.GreaterThanZero();
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//connect
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this._param.connect(this._gtz);
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};
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Tone.extend(Tone.GreaterThan, Tone.Signal);
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/**
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* dispose method
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* @returns {Tone.GreaterThan} this
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*/
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Tone.GreaterThan.prototype.dispose = function(){
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Tone.Signal.prototype.dispose.call(this);
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this._gtz.dispose();
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this._gtz = null;
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return this;
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};
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export default Tone.GreaterThan;
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