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31 lines
No EOL
846 B
JavaScript
31 lines
No EOL
846 B
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=0.01] the attack time in seconds
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* @param {Tone.Time} [decay=0.1] the decay time in seconds
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* @param {number} [sustain=0.5] a percentage (0-1) of the full amplitude
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* @param {Tone.Time} [release=1] the release time in seconds
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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.output = this.context.createGain();
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this._sig.connect(this.output.gain);
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};
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Tone.extend(Tone.AmplitudeEnvelope, Tone.Envelope);
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return Tone.AmplitudeEnvelope;
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}); |