mirror of
https://github.com/Tonejs/Tone.js
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43 lines
No EOL
1.1 KiB
JavaScript
43 lines
No EOL
1.1 KiB
JavaScript
define(["Tone/core/Tone", "Tone/component/Envelope"], function(Tone){
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"use strict";
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/**
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* @class An Envelope connected to a gain node which can be used as an amplitude envelope.
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*
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* @constructor
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* @extends {Tone.Envelope}
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* @param {Tone.Time|Object=} attack the attack time or an options object will all of the parameters
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* @param {Tone.Time=} decay the decay time
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* @param {number=} sustain the sustain amount
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* @param {Tone.Time=} release the release time
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*/
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Tone.AmplitudeEnvelope = function(){
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Tone.Envelope.apply(this, arguments);
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/**
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* the input node
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* @type {GainNode}
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*/
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this.input = this.context.createGain();
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//disconenct the signal from the output
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this._control.disconnect();
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//connect it to the output gain
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this._control.connect(this.output.gain);
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//input -> output
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this.input.connect(this.output);
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};
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Tone.extend(Tone.AmplitudeEnvelope, Tone.Envelope);
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/**
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* clean up
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*/
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Tone.AmplitudeEnvelope.prototype.dispose = function(){
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Tone.Envelope.prototype.dispose.call(this);
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};
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return Tone.AmplitudeEnvelope;
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}); |