72 lines
1.2 KiB
Racket
72 lines
1.2 KiB
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{Psetp}
|
|
event pattern that sets values of one key@section{related}
|
|
Classes/Pbindf, Classes/Pset
|
|
@section{categories}
|
|
Streams-Patterns-Events>Patterns>Filter
|
|
|
|
@section{description}
|
|
|
|
|
|
Sets a value in an event stream until it ends, repeats this with new values until the value stream ends.
|
|
|
|
@section{ClassMethods}
|
|
|
|
|
|
@section{method}
|
|
new
|
|
|
|
@section{argument}
|
|
name
|
|
|
|
@section{argument}
|
|
value
|
|
can be a pattern, a stream or an array. The resulting stream ends when that incoming stream ends.
|
|
|
|
@section{argument}
|
|
pattern
|
|
|
|
@section{Examples}
|
|
|
|
|
|
|
|
@racketblock[
|
|
(
|
|
var a, b;
|
|
a = Psetp(\freq, Pseq([801, 1008],inf), Pbind(\dur, Pseq([0.5, 0.111, 0.22])));
|
|
x = a.asStream;
|
|
9.do({ x.next(Event.new).postln; });
|
|
)
|
|
|
|
//Psetp overrides incoming values:
|
|
|
|
(
|
|
var a, b;
|
|
a = Psetp(\freq, 801, Pbind(\freq, 108));
|
|
x = a.asStream;
|
|
9.do({ x.next(Event.new).postln; });
|
|
)
|
|
|
|
|
|
//sound example
|
|
|
|
(
|
|
SynthDef(\sinegrain,
|
|
{ arg out=0, freq=440, sustain=0.02;
|
|
var env;
|
|
env = EnvGen.kr(Env.perc(0.001, sustain), 1, doneAction: Done.freeSelf);
|
|
Out.ar(out, SinOsc.ar(freq, 0, env * 0.1))
|
|
}).add;
|
|
)
|
|
|
|
(
|
|
a = Pbind(\dur, Pseq([0.5, 0.3, 0.1]), \instrument, \sinegrain);
|
|
a = Psetp(\freq, Pseq([500, 600, 700], inf), a);
|
|
a.play;
|
|
)
|
|
::
|
|
]
|
|
|
|
|