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

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2022-08-24 13:53:18 +00:00
#lang scribble/manual
@(require (for-label racket))
@title{Dbufrd}
Buffer read demand ugen@section{categories}
UGens>Buffer, UGens>Demand
@section{related}
Classes/Dbufwr
@section{classmethods}
@section{method}
new
@section{argument}
bufnum
buffer number to read from
@section{argument}
phase
index into the buffer
@section{argument}
loop
when phase exceeds number of frames in buffer, loops when set to 1 (default :1)
@section{discussion}
all inputs can be either demand ugen or any other ugen.
@section{examples}
@racketblock[
b = Buffer.alloc(s, 24, 1);
b.setn(0, { exprand(200, 500) } ! b.numFrames);
b.getn(0, b.numFrames, {|x| x.postln })
(
{ var indexPattern;
indexPattern = Dseq([Dseq([0, 3, 5, 0, 3, 7, 0, 5, 9], 3), Dbrown(0, 23, 1, 5)], inf);
SinOsc.ar(
Demand.kr(Dust.kr(10), 0, Dbufrd(b, indexPattern))
) * 0.1
}.play;
)
// buffer as a time pattern
c = Buffer.alloc(s, 24, 1);
c.setn(0, { [1, 0.5, 0.25].choose } ! c.numFrames);
c.getn(0, c.numFrames, {|x| x.postln })
(
{ var indexPattern;
indexPattern = Dseq([Dseq([0, 3, 5, 0, 3, 7, 0, 5, 9], 3), Dbrown(0, 23, 1, 5)], inf);
SinOsc.ar(
Duty.kr(
Dbufrd(c, Dseries(0, 1, inf)) * 0.5,
0,
Dbufrd(b, indexPattern)
)
) * 0.1
}.play;
)
// free buffers
b.free; c.free;
::
]