> Sound.SC3.UGen.Help.viewSC3Help "CuspL"
> Sound.SC3.UGen.DB.ugenSummary "CuspL"

> import Sound.SC3

Vary frequency
> let x = mouseX KR 20 sampleRate Linear 0.1
> in audition (out 0 (cuspL AR x 1.0 1.99 0 * 0.3))

Mouse-controlled parameters.
> let {x = mouseX KR 0.9 1.1 Linear 0.1
>     ;y = mouseY KR 1.8 2.0 Linear 0.1}
> in audition (out 0 (cuspL AR (sampleRate / 4) x y 0 * 0.3))

As frequency control.
> let {x = mouseX KR 0.9 1.1 Linear 0.1
>     ;y = mouseY KR 1.8 2.0 Linear 0.1
>     ;n = cuspL AR 40 x y 0 * 0.3}
> in audition (out 0 (sinOsc AR (n * 800 + 900) 0 * 0.4))