mirror of
https://github.com/Tonejs/Tone.js
synced 2024-12-30 21:48:45 +00:00
91 lines
No EOL
1.9 KiB
JavaScript
91 lines
No EOL
1.9 KiB
JavaScript
define(["Tone/core/Tone", "Tone/component/DryWet", "Tone/signal/Merge", "Tone/signal/Split"],
|
|
function(Tone){
|
|
|
|
/**
|
|
* Panner.
|
|
*
|
|
* Equal Power Gain L/R Panner. Not 3D
|
|
*
|
|
* a panner uses a dry/wet knob internally
|
|
*
|
|
* 0 = 100% Left
|
|
* 1 = 100% Right
|
|
*
|
|
* @constructor
|
|
* @extends {Tone}
|
|
* @param {number=} initialPan the initail panner value (defaults to 0.5 = center)
|
|
*/
|
|
Tone.Panner = function(initialPan){
|
|
|
|
Tone.call(this);
|
|
|
|
/**
|
|
* the dry/wet knob
|
|
* @type {Tone.DryWet}
|
|
* @private
|
|
*/
|
|
this._dryWet = new Tone.DryWet();
|
|
/**
|
|
* @type {Tone.Merge}
|
|
* @private
|
|
*/
|
|
this._merger = new Tone.Merge();
|
|
/**
|
|
* @type {Tone.Split}
|
|
* @private
|
|
*/
|
|
this._splitter = new Tone.Split();
|
|
/**
|
|
* the pan control
|
|
* @type {Tone.Signal}
|
|
*/
|
|
this.pan = this._dryWet.wetness;
|
|
|
|
//CONNECTIONS:
|
|
this.input.connect(this._splitter.left);
|
|
this.input.connect(this._splitter.right);
|
|
//left channel is dry, right channel is wet
|
|
this._splitter.left.connect(this._dryWet.dry);
|
|
this._splitter.right.connect(this._dryWet.wet);
|
|
//merge it back together
|
|
this._dryWet.dry.connect(this._merger.left);
|
|
this._dryWet.wet.connect(this._merger.right);
|
|
this._merger.connect(this.output);
|
|
|
|
//initial value
|
|
this.setPan(this.defaultArg(initialPan, 0.5));
|
|
};
|
|
|
|
Tone.extend(Tone.Panner);
|
|
|
|
/**
|
|
* set the l/r pan.
|
|
*
|
|
* 0 = 100% left.
|
|
* 1 = 100% right.
|
|
*
|
|
* @param {number} pan 0-1
|
|
* @param {Tone.Time=} rampTime (optionally) ramp to the pan position
|
|
*/
|
|
Tone.Panner.prototype.setPan = function(pan, rampTime){
|
|
this._dryWet.setWet(pan, rampTime);
|
|
};
|
|
|
|
/**
|
|
* clean up
|
|
*/
|
|
Tone.Panner.prototype.dispose = function(){
|
|
this._dryWet.dispose();
|
|
this._splitter.dispose();
|
|
this._merger.dispose();
|
|
this.input.disconnect();
|
|
this.output.disconnect();
|
|
this._dryWet = null;
|
|
this._splitter = null;
|
|
this._merger = null;
|
|
this.input = null;
|
|
this.output = null;
|
|
};
|
|
|
|
return Tone.Panner;
|
|
}); |