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class:: LFTri
summary:: Triangle oscillator
related:: Classes/LFCub, Classes/LFPar, Classes/LFPulse, Classes/LFSaw
categories:: UGens>Generators>Deterministic
Description::
A non-band-limited triangle oscillator. Output ranges from -1 to +1.
classmethods::
method::ar, kr
argument::freq
Frequency in Hertz. For efficiency reasons, only positive values result in correct behavior.
argument::iphase
Initial phase offset. For efficiency reasons this is a value
ranging from 0 to 4.
argument::mul
Output will be multiplied by this value.
argument::add
This value will be added to the output.
Examples::
code::
// 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
::
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