HelpSource/Classes/Psetp.schelp

   1 class:: Psetp
   2 summary:: event pattern that sets values of one key
   3 related:: Classes/Pbindf, Classes/Pset
   4 categories:: Streams-Patterns-Events>Patterns>Filter
   5
   6 description::
   7
   8 Sets a value in an event stream until it ends, repeats this with new values until the value stream ends.
   9
  10 ClassMethods::
  11
  12 method::new
  13
  14 argument::value
  15 can be a pattern, a stream or an array. The resulting stream ends when that incoming stream ends.
  16
  17 Examples::
  18
  19 code::
  20 (
  21 var a, b;
  22 a = Psetp(\freq, Pseq([801, 1008],inf), Pbind(\dur, Pseq([0.5, 0.111, 0.22])));
  23 x = a.asStream;
  24 9.do({ x.next(Event.new).postln; });
  25 )
  26
  27 //Psetp overrides incoming values:
  28
  29 (
  30 var a, b;
  31 a = Psetp(\freq, 801, Pbind(\freq, 108));
  32 x = a.asStream;
  33 9.do({ x.next(Event.new).postln; });
  34 )
  35
  36
  37 //sound example
  38
  39 (
  40 SynthDef(\sinegrain,
  41         { arg out=0, freq=440, sustain=0.02;
  42                 var env;
  43                 env = EnvGen.kr(Env.perc(0.001, sustain), 1, doneAction:2);
  44                 Out.ar(out, SinOsc.ar(freq, 0, env * 0.1))
  45         }).add;
  46 )
  47
  48 (
  49 a = Pbind(\dur, Pseq([0.5, 0.3, 0.1]), \instrument, \sinegrain);
  50 a = Psetp(\freq, Pseq([500, 600, 700], inf), a);
  51 a.play;
  52 )
  53 ::