70 lines
1.5 KiB
Text
70 lines
1.5 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{softVol_}
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set a nodeproxy's vol conditionally@section{categories}
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Libraries>JITLib>GUI
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@section{related}
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Reference/softSet, Reference/softPut
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@section{description}
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Extension method to link::Classes/NodeProxy:: to set vol conditionally.
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@section{method}
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softVol
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setter.
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@section{argument}
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val
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the volume value to set to
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@section{argument}
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within
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the normalized range within which the set is accepted
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@section{argument}
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pause
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a flag whether to pause the nodeproxy when volume is 0.
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waits for 0.2 seconds for volume to go down first.
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@section{argument}
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lastVal
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the previous value that the controller has set - can be
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@section{argument}
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spec
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a link::Classes/ControlSpec:: can be passed in. if nil,
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@racketblock[\amp.asSpec:: is used.
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]
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@section{Examples}
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@racketblock[
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Ndef(\test, { |freq=200| Splay.ar(SinOsc.ar(freq * Array.rand(12, 0.95, 1.05))) });
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Ndef(\test).play(vol: 0.1);
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// example of softSet, softSet which knows lastVal,
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// softVol_ and softVol_ which knows lastVol:
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(
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w = Window("softVol", Rect(500, 200, 400, 240)).front;
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w.view.addFlowLayout;
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NdefGui(Ndef(\test), 2, w);
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// same for volume - not too safe
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EZSlider(w, 340@30, \softVol, \amp, { |sl|
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Ndef(\test).softVol_(sl.value, 0.05)
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});
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// safer
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EZSlider(w, 340@30, \knowLastV, \amp, Routine { |sl|
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var newVal, lastVal;
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loop {
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newVal = sl.value;
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Ndef(\test).softVol_(sl.value, 0.05, lastVal: lastVal);
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lastVal = newVal;
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\dummy.yield;
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}
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});
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)
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::
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]
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