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

51 lines
906 B
Racket

#lang scribble/manual
@(require (for-label racket))
@title{Pshuf}
sequentially embed values in a list in constant, but random order@section{related}
Classes/Prand
@section{categories}
Streams-Patterns-Events>Patterns>List
@section{description}
Returns a shuffled version of the strong@section{list}
item by item, with n strong::repeats::.
@section{Examples}
@racketblock[
(
var a, b;
a = Pshuf([1, 2, 3, 4, 5], 3); // repeat 3 times
b = a.asStream;
16.do({ b.next.postln; });
)
//Pshuf 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;
)
(
a = Pn(Pshuf(#[60, 60, 60, 61, 63, 65, 72], 4), inf).asStream;
Routine({
loop({
Synth(\help_sinegrain, [\freq, a.next.midicps]);
0.15.wait;
})
}).play;
)
::
]