54 lines
1 KiB
Text
54 lines
1 KiB
Text
|
class:: Pfuncn
|
||
|
summary:: Function pattern of given length
|
||
|
categories:: Streams-Patterns-Events>Patterns>Function
|
||
|
related:: Classes/Pfunc
|
||
|
|
||
|
description::
|
||
|
Returns a stream that returns values from the code::func::.
|
||
|
|
||
|
|
||
|
classmethods::
|
||
|
|
||
|
method:: new
|
||
|
argument:: func
|
||
|
Stream function. In an event stream receives the current link::Classes/Event:: as argument.
|
||
|
argument:: repeats
|
||
|
End after this number of times.
|
||
|
|
||
|
|
||
|
examples::
|
||
|
code::
|
||
|
(
|
||
|
var a, b, c;
|
||
|
a = Pfuncn({ exprand(0.1, 2.0) + #[1, 2, 3, 6].choose }, 2);
|
||
|
b = Pfuncn({ #[-2, -3].choose }, 2);
|
||
|
Pseq([a, b], inf).asStream.nextN(20).postln;
|
||
|
)
|
||
|
::
|
||
|
|
||
|
Sound example
|
||
|
code::
|
||
|
(
|
||
|
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 a, b, c;
|
||
|
a = Pfuncn({ exprand(0.1, 2.0) + #[1, 2, 3, 6].choose }, 2);
|
||
|
b = Pfuncn({ #[-2, -3].choose }, 7);
|
||
|
c = Pseq([a, b], inf).asStream;
|
||
|
{
|
||
|
c.do { |val|
|
||
|
Synth(\help_sinegrain, [\freq, val * 100 + 300]);
|
||
|
0.02.wait;
|
||
|
}
|
||
|
}.fork;
|
||
|
)
|
||
|
::
|