#lang scribble/manual @(require (for-label racket)) @title{TExpRand} Triggered exponential random number generator.@section{related} Classes/ExpRand, Classes/IRand, Classes/LinRand, Classes/NRand, Classes/Rand, Classes/TIRand, Classes/TRand @section{categories} UGens>Random, UGens>Triggers @section{description} Generates a random float value in exponential distribution from @racketblock[lo:: to ] @racketblock[hi:: each time the trigger signal changes from nonpositive to positive values ] @racketblock[lo:: and ] @racketblock[hi:: must both have the same sign and be non-zero. ] @section{classmethods} @section{method} ar, kr @section{argument} lo Lower limit of the output range. @section{argument} hi Upper limit of the output range. @section{argument} trig The trigger. Trigger can be any signal. A trigger happens when the signal changes from non-positive to positive. @section{Examples} @racketblock[ ( { var trig = Dust.kr(10); SinOsc.ar( TExpRand.kr(300.0, 3000.0, trig) ) * 0.1 }.play; ) ( { var trig = Dust.ar(MouseX.kr(1, 8000, 1)); SinOsc.ar( TExpRand.ar(300.0, 3000.0, trig) ) * 0.1 }.play; ) :: ]