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envelope uses Signal instead of TimelineSignal

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they are equivalent now bc of the AudioParam shim
This commit is contained in:
Yotam Mann 2017-10-26 00:51:31 -04:00
parent 374365f2a8
commit 2d2424e639
1 changed files with 6 additions and 5 deletions
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11
Tone/component/Envelope.js
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@ -84,8 +84,7 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal",
* @type {Tone.TimelineSignal}
* @private
*/
this._sig = this.output = new Tone.TimelineSignal();
this._sig.setValueAtTime(0, 0);
this._sig = this.output = new Tone.Signal(0);
//set the attackCurve initially
this.attackCurve = options.attackCurve;
@ -249,7 +248,7 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal",
} else if (this._attackCurve === "exponential"){
this._sig.targetRampTo(velocity, attack, time);
} else if (attack > 0){
this._sig.setRampPoint(time);
this._sig.cancelAndHoldAtTime(time);
var curve = this._attackCurve;
//take only a portion of the curve
if (attack < originalAttack){
@ -262,7 +261,9 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal",
this._sig.setValueCurveAtTime(curve, time, attack, velocity);
}
//decay
this._sig.targetRampTo(velocity * this.sustain, decay, attack + time);
if (decay){
this._sig.targetRampTo(velocity * this.sustain, decay, attack + time);
}
return this;
};
@ -286,7 +287,7 @@ define(["Tone/core/Tone", "Tone/signal/TimelineSignal",
} else{
var curve = this._releaseCurve;
if (Tone.isArray(curve)){
this._sig.setRampPoint(time);
this._sig.cancelAndHoldAtTime(time);
this._sig.setValueCurveAtTime(curve, time, release, currentValue);
}
}