56 lines
1.1 KiB
Text
56 lines
1.1 KiB
Text
class:: Dbufrd
|
|
summary:: Buffer read demand ugen
|
|
categories:: UGens>Buffer, UGens>Demand
|
|
related:: Classes/Dbufwr
|
|
|
|
classmethods::
|
|
|
|
method:: new
|
|
argument:: bufnum
|
|
buffer number to read from
|
|
argument:: phase
|
|
index into the buffer
|
|
argument:: loop
|
|
when phase exceeds number of frames in buffer, loops when set to 1 (default :1)
|
|
discussion::
|
|
all inputs can be either demand ugen or any other ugen.
|
|
|
|
examples::
|
|
code::
|
|
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;
|
|
::
|
|
|