HelpSource/Classes/FreeSelf.schelp

   1 class:: FreeSelf
   2 summary:: When triggered, free enclosing synth.
   3 related:: Classes/PauseSelf, Classes/Free
   4 categories::  UGens>Synth control
   5
   6
   7 Description::
   8 Free enclosing synth when input signal crosses from non-positive to
   9 positive.
  10
  11
  12 classmethods::
  13
  14 method::kr
  15
  16 argument::in
  17
  18 The input signal.
  19
  20
  21 Examples::
  22
  23 code::
  24 (
  25 SynthDef("freeSelf-help", { arg out, t_trig;
  26         FreeSelf.kr(t_trig);
  27         Out.ar(out, SinOsc.ar(400,0,0.2));
  28 }).send(s);
  29 )
  30
  31 s.sendMsg("/s_new", "freeSelf-help", 1731);
  32 s.sendMsg("/n_set", 1731, \t_trig, 1);
  33
  34 // a single impulse SynthDef:
  35
  36 (
  37 SynthDef("dirac", { arg out, amp=0.1;
  38         var u;
  39         u = Impulse.ar(1);
  40         FreeSelf.kr(u);
  41         Out.ar(out, u * amp);
  42                 // multiply by amp after using for release, so amp = 0
  43                 // doesn't cause synth buildup.
  44 }).send(s);
  45 )
  46
  47 (
  48 Task {
  49         loop({
  50                 fork {
  51                         exprand(34, 156).do {|i|
  52                                 i = i + 1;
  53                                 s.sendMsg("/s_new", "dirac", -1,0,0, \amp, 1 / i);
  54                                 (0.006 * i).wait;
  55                         };
  56                 };
  57                 1.wait;
  58         })
  59 } .play;
  60 )
  61 ::
  62