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Diffstat (limited to 'configs/demo.lua')
-rw-r--r-- | configs/demo.lua | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/configs/demo.lua b/configs/demo.lua index e816ac4..24a8396 100644 --- a/configs/demo.lua +++ b/configs/demo.lua @@ -1,21 +1,42 @@ --- This example MIDIMonstaer Lua script spreads one input channel onto multiple output +-- This example MIDIMonster Lua script spreads one input channel onto multiple output -- channels using a polynomial function evaluated at multiple points. This effect can -- be visualized e.g. with martrix (https://github.com/cbdevnet/martrix). --- This is just a demonstration of global variables -foo = 0 - -- The polynomial to evaluate -function polynomial(offset, x) - return math.exp(-20 * (x - offset) ^ 2) +function polynomial(x) + return math.exp(-40 * input_value("width") * (x - input_value("offset")) ^ 2) end --- Handler function for the input channel -function input(value) - foo = foo + 1 - print("input at ", value, foo) - +-- Evaluate and set output channels +function evaluate() for chan=0,10 do - output("out" .. chan, polynomial(value, (1 / 10) * chan)) + output("out" .. chan, polynomial((1 / 10) * chan)) + end +end + +-- Handler functions for the input channels +function offset(value) + evaluate() +end + +function width(value) + evaluate() +end + +-- This is an example showing a simple chase running on its own without the need +-- (but the possibility) for external input + +-- Global value for the current step +current_step = 0 + +function step() + if(current_step > 0) then + output("dim", 0.0) + else + output("dim", 1.0) end + + current_step = (current_step + 1) % 2 end + +interval(step, 1000) |