74 lines
1.4 KiB
Racket
74 lines
1.4 KiB
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{Pnsym}
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use a pattern of symbols to embed Pdefns@section{categories}
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Libraries>JITLib>Patterns, Live Coding
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@section{related}
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Classes/Pdefn
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@section{description}
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for event patterns see link::Classes/Psym::. Overview: link::Overviews/JITLib::.
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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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pattern
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a pattern that returns symbols or characters. Arrays are converted to parallel patterns ( link::Classes/Ptuple:: ).
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@section{argument}
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dict
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the dictionary to be used for lookup. By default, this is
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@racketblock[Pdefn.all::, so one can embed Pdefns by name.
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]
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@section{InstanceMethods}
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@section{method}
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dict
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set the dictionary to be used.
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@section{Examples}
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@racketblock[
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(
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// load a synthdef
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s.boot;
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SynthDef("gpdef",
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{ arg out=0, freq=440, sustain=0.05, amp=0.1, pan;
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var env;
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env = EnvGen.kr(Env.perc(0.01, sustain), doneAction: Done.freeSelf) * amp;
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Out.ar(out, Pan2.ar(SinOsc.ar(freq, 0, env), pan))
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}).add;
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)
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Pdefn(\x, Pn(1, 3));
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Pdefn(\y, Prand([5, 9, 1], 2));
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Pdefn(\z, Pdefn(\y) * 2);
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(
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Pdef(\play,
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Pbind(
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\instrument, \gpdef,
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\harmonic, Pnsym(Pseq([\x, \x, Prand([\x, \y]), [\z, \y], \y], inf)).trace,
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\dur, 0.2, \note, 10
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)
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).play;
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)
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// change root pattern:
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Pdefn(\x, Pn(2, 3));
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Pdefn(\x, Pseq([1, 3, 1, 2, 1, 4, 5]));
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Pdefn(\x, Pseq([1, 3, 1, 2, [1, 3], 4, 5]));
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::
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]
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