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mebens/gist:3904043

Created October 17, 2012 06:36
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Generate sine wave tones in Love2D
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gistfile1.lua
local samples = 100000
local data = love.sound.newSoundData(samples)
local noteChange = 10000
local note = 200
local change = 50
local minimum = 100
for i = 0, samples * 2 - 1 do
if i % noteChange == 0 then
local factor = -2 + math.random(0, 4)
if note <= minimum then factor = 1 end
note = note + change * factor
end
data:setSample(i, math.sin(i % note / note / (math.pi * 2)))
end
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