tonight for monome crow: a wandering and loose(/lost?) arpeggiator for mangrove

tonight.lua

--- tonight is a wandering and loose(/lost?) arpeggiator for mangrove
-- output 1 goes to mangrove's formant attenuated to taste (constant wave mode)
-- output 2 goes to mangrove' pitch
-- mangrove's out to delay and reverb for maximum vibes

seq = { 0, 4, 5, 7, 9 }
step = 1
switch = 1
a = math.random(1,10)
b = math.random(1,10)
c = math.random(1,10)
level = 5
time = 1.3

function init()
    output[1]( loop { foo
        , to(function() return level/a end, function() return time/b end)
        , foo
        , to(function() return -level/c end, function() return time/a end)
        , foo
        , to(function() return level/b end, function() return time/c end)
        , foo
        , to(function() return -level/a end, function() return time/b end)
    } )
end

function foo()
    output[2].volts = seq[step]/12
    output[2].slew = math.random(0,2)/100
    step = ((step + math.random(0, 1)) % #seq) + 1
    if step == 1 then
        switch = (switch + 1) % 2
        if switch == 1 then
            a = math.random(1,10)
            b = math.random(1,10)
            c = math.random(1,10)
        end
    end
end