I'm still learning...
I want to have this effect apply to all groups all the time. Do I use a while statement?
on init
make_perfview
set_script_title("FX")
set_ui_height_px(350)
declare const $SK_SLOT := 0
declare const $FX := -1
declare const $GROUP := 0
declare ui_knob $RotatorKnob (0,1000000,1)
set_knob_unit($RotatorKnob,$KNOB_UNIT_PERCENT)
set_knob_defval($RotatorKnob,500000)
make_persistent($RotatorKnob)
set_knob_label($RotatorKnob,get_engine_par_disp($ENGINE_PAR_RT_SPEED,$GROUP,$SK_SLOT,$FX))
end on
on ui_control ($RotatorKnob)
set_engine_par($ENGINE_PAR_RT_SPEED,$RotatorKnob,$GROUP,$SK_SLOT,$FX)
set_knob_label($RotatorKnob,get_engine_par_disp($ENGINE_PAR_RT_SPEED,$GROUP,$SK_SLOT,$FX))
end on