60 lines
1 KiB
Text
60 lines
1 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{Pindex}
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pattern that indexes into an array@section{related}
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Classes/Pswitch
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@section{categories}
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Streams-Patterns-Events>Patterns>List>Indexing
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@section{description}
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This allows an link::Classes/ArrayedCollection:: to be accessed within patterns.
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@section{ClassMethods}
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@section{method}
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new
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@section{argument}
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listPat
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the array. Can be a link::Classes/Pattern::.
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@section{argument}
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indexPat
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the value to retrieve. Can be a link::Classes/Pattern::.
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@section{argument}
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repeats
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specifies the number of repeats.
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@section{Examples}
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@racketblock[
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(
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SynthDef(\help_pindex, { | out, amp=0.1, freq=440, gate=1 |
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var son = Saw.ar(freq * [0.99, 1, 1.01]).mean;
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son = son * EnvGen.ar(Env.adsr, gate: gate, doneAction: Done.freeSelf);
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Out.ar(out, son.dup * amp);
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}).add;
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)
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(
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var data = [7, 13, 12, 2, 2, 2, 5];
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var indices = [0, 0, 2, 0, 4, 6, 7];
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Pbind(
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\instrument, \help_pindex,
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\choice, Prand(indices, inf),
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\degree, Pindex(data, Pkey(\choice), inf),
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\dur, 0.7
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).play
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)
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::
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]
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