99 lines
2.6 KiB
Text
99 lines
2.6 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{InBus}
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Return a range of channels from a bus, irrespective of node order@section{categories}
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UGens>Input
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@section{related}
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Classes/In, Classes/XIn, Classes/InFeedback, Classes/XInFeedback
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@section{description}
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InBus provides a simple interface to the signal on a bus, crossfading between adjacent values.
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@racketblock[
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(
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b = Bus.control(s, 9); // nine channel control rate
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b.setn([244, 737, 20, 271, 382, 172, 4, 2399, 251]);
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{
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var index = MouseX.kr(0, 30);
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Blip.ar(InBus.ar(b, 2, index, \wrap)) * 0.1
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}.play;
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)
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::
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]
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@section{CLASSMETHODS}
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@section{METHOD}
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ar, kr
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Return a new instance with the respective rate. If the bus rate doesn't match the signal is converted. Multi channel arguments expand.
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@section{ARGUMENT}
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bus
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An instance of link::Classes/Bus::
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@section{ARGUMENT}
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numChannels
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Number of output channels
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@section{ARGUMENT}
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offset
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Offset to the starting index in the bus.
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@section{ARGUMENT}
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clip
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If clip is set to 'wrap', the indices into the bus will not be clipped to the last bus channel, but will wrap around.
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@section{returns}
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A UGen output, usually an array of UGens or, if the arguments are arrays, an array of arrays.
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@section{INSTANCEMETHODS}
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@section{EXAMPLES}
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@racketblock[
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(
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s.waitForBoot({
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b = Bus.control(s, 3);
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b.setn([1, 10, 100]);
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})
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)
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{ InBus.kr(b, 1, 0).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 1, 1).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 1, 2).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 1, 3).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 2, 0).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 3, 0).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 4, 0).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 3, 5).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 3, 5, \wrap).poll(2, "val"); 0.0 }.play;
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InBus.kr(b, 2, [1, 3, 4]); // multi channel expansion
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{ InBus.kr(b, 1, MouseX.kr(0, 10).round.poll(2, "index")).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 2, MouseX.kr(0, 10).round.poll(2, "index")).postln.poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 3, MouseX.kr(0, 10).round.poll(2, "index")).postln.poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 4, MouseX.kr(0, 10).round.poll(2, "index")).postln.poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 1, MouseX.kr(0, 10).round.poll(2, "index"), \wrap).poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 2, MouseX.kr(0, 10).round.poll(2, "index"), \wrap).postln.poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 3, MouseX.kr(0, 10).round.poll(2, "index"), \wrap).postln.poll(2, "val"); 0.0 }.play;
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{ InBus.kr(b, 4, MouseX.kr(0, 10).round.poll(2, "index"), \wrap).postln.poll(2, "val"); 0.0 }.play;
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::
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]
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