mirror of
https://github.com/Tonejs/Tone.js
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91 lines
No EOL
2 KiB
JavaScript
91 lines
No EOL
2 KiB
JavaScript
define(["Tone/core/Tone", "Tone/component/DryWet", "Tone/component/Merge", "Tone/component/Split"],
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function(Tone){
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/**
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* Panner.
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*
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* Equal Power Gain L/R Panner. Not 3D
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*
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* a panner uses a dry/wet knob internally
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*
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* 0 = 100% Left
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* 1 = 100% Right
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*
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* @constructor
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* @extends {Tone}
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* @param {number=} initialPan the initail panner value (defaults to 0.5 = center)
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*/
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Tone.Panner = function(initialPan){
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Tone.call(this);
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/**
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* the dry/wet knob
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* @type {Tone.DryWet}
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* @private
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*/
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this._dryWet = new Tone.DryWet();
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/**
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* @type {Tone.Merge}
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* @private
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*/
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this._merger = new Tone.Merge();
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/**
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* @type {Tone.Split}
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* @private
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*/
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this._splitter = new Tone.Split();
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/**
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* the pan control
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* @type {Tone.Signal}
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*/
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this.pan = this._dryWet.wetness;
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//CONNECTIONS:
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this.input.connect(this._splitter.left);
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this.input.connect(this._splitter.right);
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//left channel is dry, right channel is wet
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this._splitter.left.connect(this._dryWet.dry);
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this._splitter.right.connect(this._dryWet.wet);
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//merge it back together
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this._dryWet.dry.connect(this._merger.left);
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this._dryWet.wet.connect(this._merger.right);
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this._merger.connect(this.output);
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//initial value
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this.setPan(this.defaultArg(initialPan, 0.5));
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};
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Tone.extend(Tone.Panner);
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/**
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* set the l/r pan.
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*
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* 0 = 100% left.
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* 1 = 100% right.
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*
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* @param {number} pan 0-1
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* @param {Tone.Time=} rampTime (optionally) ramp to the pan position
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*/
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Tone.Panner.prototype.setPan = function(pan, rampTime){
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this._dryWet.setWet(pan, rampTime);
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};
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/**
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* clean up
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*/
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Tone.Panner.prototype.dispose = function(){
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this._dryWet.dispose();
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this._splitter.dispose();
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this._merger.dispose();
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this.input.disconnect();
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this.output.disconnect();
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this._dryWet = null;
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this._splitter = null;
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this._merger = null;
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this.input = null;
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this.output = null;
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};
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return Tone.Panner;
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}); |