HelpSource/Classes/Pindex.schelp

   1 class:: Pindex
   2 summary:: pattern that indexes into an array
   3 related:: Classes/Pswitch
   4 categories:: Streams-Patterns-Events>Patterns>List>Indexing
   5
   6 description::
   7
   8 This allows an link::Classes/ArrayedCollection:: to be accessed within patterns.
   9
  10 ClassMethods::
  11
  12 method::new
  13
  14 argument::listPat
  15 the array. Can be a link::Classes/Pattern::.
  16
  17 argument::indexPat
  18 the value to retrieve. Can be a link::Classes/Pattern::.
  19
  20 argument::repeats
  21 specifies the number of repeats.
  22
  23 Examples::
  24
  25 code::
  26 (
  27 SynthDef(\help_pindex, { | out, amp=0.1, freq=440, gate=1 |
  28         var son = Saw.ar(freq * [0.99, 1, 1.01]).mean;
  29         son = son * EnvGen.ar(Env.adsr, gate: gate, doneAction:2);
  30         Out.ar(out, son.dup * amp);
  31 }).add;
  32 )
  33
  34 (
  35 var data = [7, 13, 12, 2, 2, 2, 5];
  36 var indices = [0, 0, 2, 0, 4, 6, 7];
  37 Pbind(
  38         \instrument, \help_pindex,
  39         \choice, Prand(indices, inf),
  40         \degree, Pindex(data, Pkey(\choice), inf),
  41         \dur, 0.7
  42 ).play
  43 )
  44 ::