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moving constants to Context

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This commit is contained in:
Yotam Mann 2017-02-19 11:48:23 -05:00
parent a74e84fa26
commit 19a41080ba
3 changed files with 5 additions and 61 deletions
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17
Tone/component/MidSideMerge.js
View file

@ -61,25 +61,12 @@ define(["Tone/core/Tone", "Tone/signal/Signal", "Tone/signal/Expr", "Tone/compon
this.side.connect(this._right, 0, 1);
this._left.connect(this._merge, 0, 0);
this._right.connect(this._merge, 0, 1);
sqrtTwo.connect(this._left, 0, 2);
sqrtTwo.connect(this._right, 0, 2);
this.context._sqrtTwo.connect(this._left, 0, 2);
this.context._sqrtTwo.connect(this._right, 0, 2);
};
Tone.extend(Tone.MidSideMerge);
/**
* A constant signal equal to 1 / sqrt(2).
* @type {Number}
* @signal
* @private
* @static
*/
var sqrtTwo = null;
Tone._initAudioContext(function(){
sqrtTwo = new Tone.Signal(1 / Math.sqrt(2));
});
/**
* clean up
* @returns {Tone.MidSideMerge} this

17
Tone/component/MidSideSplit.js
View file

@ -43,25 +43,12 @@ define(["Tone/core/Tone", "Tone/signal/Expr", "Tone/signal/Signal", "Tone/compon
this._split.connect(this.mid, 1, 1);
this._split.connect(this.side, 0, 0);
this._split.connect(this.side, 1, 1);
sqrtTwo.connect(this.mid, 0, 2);
sqrtTwo.connect(this.side, 0, 2);
this.context._sqrtTwo.connect(this.mid, 0, 2);
this.context._sqrtTwo.connect(this.side, 0, 2);
};
Tone.extend(Tone.MidSideSplit);
/**
* a constant signal equal to 1 / sqrt(2)
* @type {Number}
* @signal
* @private
* @static
*/
var sqrtTwo = null;
Tone._initAudioContext(function(){
sqrtTwo = new Tone.Signal(1 / Math.sqrt(2));
});
/**
* clean up
* @returns {Tone.MidSideSplit} this

32
Tone/signal/Signal.js
View file

@ -41,7 +41,7 @@ define(["Tone/core/Tone", "Tone/signal/WaveShaper", "Tone/type/Type", "Tone/core
this.input = this._param = this._gain.gain;
//connect the const output to the node output
Tone.Signal._constant.chain(this._gain);
this.context._ones.chain(this._gain);
};
Tone.extend(Tone.Signal, Tone.Param);
@ -84,35 +84,5 @@ define(["Tone/core/Tone", "Tone/signal/WaveShaper", "Tone/type/Type", "Tone/core
return this;
};
///////////////////////////////////////////////////////////////////////////
// STATIC
///////////////////////////////////////////////////////////////////////////
/**
* Generates a constant output of 1.
* @static
* @private
* @const
* @type {AudioBufferSourceNode}
*/
Tone.Signal._constant = null;
/**
* initializer function
*/
Tone._initAudioContext(function(audioContext){
var buffer = audioContext.createBuffer(1, 128, audioContext.sampleRate);
var arr = buffer.getChannelData(0);
for (var i = 0; i < arr.length; i++){
arr[i] = 1;
}
Tone.Signal._constant = audioContext.createBufferSource();
Tone.Signal._constant.channelCount = 1;
Tone.Signal._constant.channelCountMode = "explicit";
Tone.Signal._constant.buffer = buffer;
Tone.Signal._constant.loop = true;
Tone.Signal._constant.start(0);
});
return Tone.Signal;
});