66 lines
1.1 KiB
Text
66 lines
1.1 KiB
Text
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class:: Ppatmod
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summary:: modify a given pattern before passing it into the stream
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related:: Classes/Plazy
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categories:: Streams-Patterns-Events>Patterns>Filter
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ClassMethods::
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method::new
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argument::pattern
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the pattern.
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argument::func
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A link::Classes/Function:: that modifies the enclosed pattern and embeds it in the stream.
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argument::repeats
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the number of repeats.
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Examples::
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code::
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(
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a = Ppatmod(
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Pseq([0, 0, 0, 0],1),
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{ arg pat, i;
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var list;
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list = pat.list;
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pat.list = list.put(list.size.rand, 2);
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}, inf);
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x = a.asStream;
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30.do({ x.next.postln });
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)
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//Ppatmod used to modify a pattern that produces a sequence of pitches:
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(
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SynthDef(\help_sinegrain,
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{ arg out=0, freq=440, sustain=0.05;
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var env;
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env = EnvGen.kr(Env.perc(0.01, sustain, 0.2), doneAction: Done.freeSelf);
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Out.ar(out, SinOsc.ar(freq, 0, env))
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}).add;
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)
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(
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a = Pn(
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Ppatmod(
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Pseq([0, 0, 0, 0],1),
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{ arg pat, i;
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var list;
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list = pat.list;
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pat.list = list.put(list.size.rand, 2);
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}, 15),
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inf).asStream;
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Routine({
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loop({
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Synth(\help_sinegrain, [\freq, (a.next*5+77).midicps]);
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0.13.wait;
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})
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}).play;
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)
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::
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