HelpSource/Classes/Ptime.schelp

   1 class:: Ptime
   2 summary:: returns time in beats from moment of embedding in stream
   3 related:: Classes/Pkey
   4 categories:: Streams-Patterns-Events>Patterns>Time
   5
   6 Examples::
   7
   8 code::
   9 (
  10 a = Ptime.new;
  11 x = a.asStream;
  12 )
  13
  14 x.next;
  15 x.next;
  16 x.next;
  17
  18 // post time in a playing event stream
  19 (
  20 Pbind(
  21         \pfunc, Ptime.new.trace,
  22         \dur, Pseries(0.5, 0.5, 5)
  23 ).play;
  24 )
  25
  26
  27 // change degree independant of number of events that have been playing
  28
  29 (
  30 var a, b;
  31 a = Pbind(
  32         \degree, Pswitch(#[0, 2b, 3], Ptime(8).round(2) / 2),
  33         \dur, Prand(#[0.2, 0.5, 1.1, 0.25, 0.15], inf)
  34 );
  35 b = Pbind(
  36         \degree, Pseq(#[0, 2b, 3], 1),
  37         \dur, 2,
  38         \ctranspose, -7
  39 );
  40 Pseq([Event.silent(1.25), Ppar([a, b])], inf).play;
  41 )
  42
  43
  44 // test tempo changes
  45
  46 (
  47 var a, b;
  48 a = Pbind(
  49         \degree, Pswitch(#[0, 2b, 3], Ptime(8).round(2) / 2),
  50         \dur, Prand(#[0.2, 0.5, 1.1, 0.25, 0.15], 9)
  51 );
  52 b = Pbind(
  53         \degree, Pseq(#[0, 2b, 3], 1),
  54         \dur, 2,
  55         \ctranspose, -7
  56 );
  57 Pn(
  58         Pfset({ ~tempo = #[1, 2, 4].choose.postln },
  59                 Pseq([
  60                         Event.silent(1.25),
  61                         Ppar([a, b])
  62                 ])
  63         )
  64 ).play
  65 )
  66 ::