HelpSource/Classes/Plazy.schelp

   1 class:: Plazy
   2 summary:: instantiate new patterns from a function
   3 related:: Classes/PlazyEnvir, Classes/PlazyEnvirN, Classes/Pfunc
   4 categories:: Streams-Patterns-Events>Patterns>Function
   5
   6 description::
   7
   8 Plazy evaluates a function that returns a pattern and embeds it in a stream.
   9
  10 ClassMethods::
  11
  12 method::new
  13
  14 argument::func
  15 A link::Classes/Function:: that returns a pattern or any other valid pattern input.
  16
  17 Examples::
  18
  19 code::
  20 (
  21 a = Plazy({
  22         var x, y;
  23         x = Array.series(rrand(2, 4), [1, 100].choose, 1);
  24         Pshuf(x,1);
  25 });
  26 x = Pn(a, inf).asStream;
  27 30.do({ x.next.postln });
  28 )
  29
  30
  31 //Plazy used to produce a sequence of pitches:
  32
  33 (
  34 SynthDef(\help_sinegrain,
  35         { arg out=0, freq=440, sustain=0.05;
  36                 var env;
  37                 env = EnvGen.kr(Env.perc(0.01, sustain, 0.2), doneAction:2);
  38                 Out.ar(out, SinOsc.ar(freq, 0, env))
  39         }).add;
  40 )
  41
  42 (
  43 a = Plazy({
  44         var x, y;
  45         x = Array.series(rrand(2, 4), [1, 5].choose, 1);
  46         x.put(x.size.rand, 8+0.1.rand2);
  47         Pseq(x,1);
  48 });
  49 x = Pn(a, inf).asStream;
  50
  51 Routine({
  52         loop({
  53                 Synth(\help_sinegrain, [\freq, (x.next*5+70).midicps]);
  54                 0.13.wait;
  55         })
  56 }).play;
  57 )
  58
  59
  60 // using event streams
  61
  62 (
  63 a = Plazy({
  64         var x, y;
  65         x = Array.series(rrand(2, 4), [1, 5].choose, 1);
  66         x.put(x.size.rand, 8+0.1.rand2);
  67         Pbind(
  68                 \instrument, \help_sinegrain,
  69                 \dur, 0.12,
  70                 \degree, Pseq(x, 2)
  71         )
  72 });
  73
  74 Pn(a, inf).play;
  75 )
  76 ::