mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 16:48:00 +00:00
ed71d8141b
no longer using AMD (require.js) style imports, and beginning to move to es6 "import/export" statements everywhere.
66 lines
1.4 KiB
JavaScript
66 lines
1.4 KiB
JavaScript
import Tone from "../core/Tone";
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import "../core/Param";
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import "../type/Type";
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import "../core/AudioNode";
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/**
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* @class A thin wrapper around the Native Web Audio GainNode.
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* The GainNode is a basic building block of the Web Audio
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* API and is useful for routing audio and adjusting gains.
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* @extends {Tone.AudioNode}
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* @param {Number=} gain The initial gain of the GainNode
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* @param {Tone.Type=} units The units of the gain parameter.
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*/
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Tone.Gain = function(){
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var options = Tone.defaults(arguments, ["gain", "units"], Tone.Gain);
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Tone.AudioNode.call(this, options);
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/**
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* The GainNode
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* @type {GainNode}
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* @private
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*/
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this.input = this.output = this._gainNode = this.context.createGain();
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/**
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* The gain parameter of the gain node.
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* @type {Gain}
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* @signal
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*/
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this.gain = new Tone.Param({
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"param" : this._gainNode.gain,
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"units" : options.units,
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"value" : options.gain,
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"convert" : options.convert
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});
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this._readOnly("gain");
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};
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Tone.extend(Tone.Gain, Tone.AudioNode);
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/**
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* The defaults
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* @const
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* @type {Object}
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*/
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Tone.Gain.defaults = {
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"gain" : 1,
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"convert" : true,
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};
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/**
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* Clean up.
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* @return {Tone.Gain} this
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*/
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Tone.Gain.prototype.dispose = function(){
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Tone.AudioNode.prototype.dispose.call(this);
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this._gainNode.disconnect();
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this._gainNode = null;
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this._writable("gain");
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this.gain.dispose();
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this.gain = null;
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};
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export default Tone.Gain;
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