> import Sound.SC3 {- hsc3 -}

Graph with the three types of non-audio controls.

> let u = let {freq = control KR "freq" 440
>             ;phase = control IR "phase" 0
>             ;gate = tr_control "gate" 1
>             ;amp = control KR "amp" 0.1
>             ;e = envGen KR gate amp 0 1 DoNothing (envASR 0.01 0.1 1 EnvLin)}
>         in sinOsc AR freq phase * e

Make a drawing

> import Sound.SC3.UGen.Dot {- hsc3-ugen -}

> draw (out 0 u)

Listen

> audition_at (10,AddToHead,1) (out 0 u)

Set frequency and the trigger gate.

> withSC3 (send (n_set1 10 "freq" 2200))

> withSC3 (send (n_set1 10 "gate" 1))

Make a control rate graph to write freq and gate values.

> let c = out 0 (mce2 (tRand 'α' 220 2200 (dust 'β' KR 1)) (dust 'γ' KR 3))

Add it _before_ the node it will map to, the trigger is only on the bus for the current cycle.

> audition_at (-1,AddBefore,10) c

Map the control values at the audio graph.

> withSC3 (send (n_map 10 [("freq",0),("gate",1)]))