HelpSource/Classes/NRand.schelp

   1 class:: NRand
   2 summary:: Sum of uniform distributions.
   3 related:: Classes/ExpRand, Classes/IRand, Classes/LinRand, Classes/Rand, Classes/TExpRand, Classes/TIRand, Classes/TRand
   4 categories:: UGens>Random
   5
   6 Description::
   7
   8 Generates a single random float value in a sum of
   9 code::n::  uniform distributions from
  10 code::lo::  to  code::hi:: .
  11
  12
  13 classmethods::
  14
  15 method::new
  16
  17 argument::lo
  18 Lower limit of the output range.
  19
  20 argument::hi
  21 Upper limit of the output range.
  22
  23 argument::n
  24
  25 table::
  26
  27 ## n = 1: || Uniform distribution - same as link::Classes/Rand::.
  28
  29 ## n = 2: || Triangular distribution.
  30
  31 ## n = 3: || Smooth hump.
  32
  33 ::
  34
  35 As
  36 code::n::  increases, distribution converges
  37 towards gaussian.
  38
  39
  40 Examples::
  41
  42 code::
  43
  44 (
  45 SynthDef("help-NRand", { arg out=0, n=0;
  46         Out.ar(out,
  47                 FSinOsc.ar(
  48                         NRand(1200.0, 4000.0, n),
  49                         0, Line.kr(0.2, 0, 0.01, doneAction:2))
  50         )
  51 }).send(s);
  52 )
  53
  54 (
  55 n = 0;
  56 Routine({
  57         inf.do({ arg i;
  58                 Synth.new("help-NRand", [\n, n]); 0.05.wait;
  59         })
  60 }).play;
  61 )
  62
  63 n = 1;
  64 n = 2;
  65 n = 4;
  66
  67 ::
  68