rsc3/doc-schelp/HelpSource/Classes/Pfindur.scrbl

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2022-08-24 13:53:18 +00:00
#lang scribble/manual
@(require (for-label racket))
@title{Pfindur}
limit total duration of events embedded in a stream@section{related}
Classes/Pfinval, Classes/Pfin, Classes/Pconst
@section{categories}
Streams-Patterns-Events>Patterns>Repetition
@section{ClassMethods}
@section{method}
new
Embeds elements of the strong::pattern:: into the stream until the duration comes close enough to strong::dur::.
@section{Examples}
@racketblock[
(
var a, b;
a = Pfindur(5, Pbind(\dur, Prand([1, 2, 0.5, 0.1], inf)));
x = a.asStream;
9.do({ x.next(Event.default).postln; });
)
//Pfindur used as a sequence of pitches
(
SynthDef(\help_sinegrain,
{ arg out=0, freq=440, sustain=0.05;
var env;
env = EnvGen.kr(Env.perc(0.01, sustain, 0.2), doneAction: Done.freeSelf);
Out.ar(out, SinOsc.ar(freq, 0, env))
}).add;
)
(
var c;
c = Pbind(
\dur, Prand([1, 0.02, 0.2], inf),
\instrument, \help_sinegrain,
\degree, Pseries(0, 1, inf),
\octave, 6
);
Pn(
Pfindur(1, c)
).play;
)
::
]