69 lines
1.2 KiB
Text
69 lines
1.2 KiB
Text
|
#lang scribble/manual
|
||
|
|
@(require (for-label racket))
|
||
|
|
|
||
|
|
@title{LFTri}
|
||
|
|
Triangle oscillator@section{related}
|
||
|
|
Classes/LFCub, Classes/LFPar, Classes/LFPulse, Classes/LFSaw
|
||
|
|
@section{categories}
|
||
|
|
UGens>Generators>Deterministic
|
||
|
|
|
||
|
|
|
||
|
|
@section{description}
|
||
|
|
|
||
|
|
|
||
|
|
A non-band-limited triangle oscillator. Output ranges from -1 to +1.
|
||
|
|
|
||
|
|
|
||
|
|
@section{classmethods}
|
||
|
|
|
||
|
|
|
||
|
|
@section{method}
|
||
|
|
ar, kr
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
freq
|
||
|
|
Frequency in Hertz.
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
iphase
|
||
|
|
|
||
|
|
Initial phase offset. For efficiency reasons this is a value
|
||
|
|
ranging from 0 to 4.
|
||
|
|
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
mul
|
||
|
|
Output will be multiplied by this value.
|
||
|
|
|
||
|
|
@section{argument}
|
||
|
|
add
|
||
|
|
This value will be added to the output.
|
||
|
|
|
||
|
|
@section{Examples}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
@racketblock[
|
||
|
|
// plot:
|
||
|
|
{ LFTri.ar(40) }.plot(0.1);
|
||
|
|
{ LFTri.ar(XLine.kr(1, 800, 0.1)) }.plot(0.1);
|
||
|
|
|
||
|
|
{ LFTri.ar(500, 0, 0.1) }.play
|
||
|
|
|
||
|
|
// used as both Oscillator and LFO:
|
||
|
|
{ LFTri.ar(LFTri.kr(4, 0, 200, 400), 0, 0.1) }.play
|
||
|
|
|
||
|
|
// phase. compare
|
||
|
|
{ LFTri.ar(LFTri.kr(0.1, iphase: 0) * 200 + 400, 0, 0.1) }.play
|
||
|
|
{ LFTri.ar(LFTri.kr(0.1, iphase: 1) * 200 + 400, 0, 0.1) }.play
|
||
|
|
{ LFTri.ar(LFTri.kr(0.1, iphase: 2) * 200 + 400, 0, 0.1) }.play
|
||
|
|
{ LFTri.ar(LFTri.kr(0.1, iphase: 3) * 200 + 400, 0, 0.1) }.play
|
||
|
|
|
||
|
|
// together
|
||
|
|
{ LFTri.ar(LFTri.kr(0.05, iphase: (0..3)) * 200 + 400, 0, 0.1).sum }.play
|
||
|
|
::
|
||
|
|
|
||
|
|
]
|
||
|
|
|
||
|
|
|