30 lines
740 B
Lua
30 lines
740 B
Lua
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local sg=soundgen
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local fade
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do
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local fwav=sg:sine():phase(0.75):freq(0.25)
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fwav=fwav:clamp(0,1)
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fwav=fwav:add(sg:silence(-1):clamp(-math.huge,0))
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function fade(wave,ma,mi)
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local ff=fwav:freq(1/(mi-ma)):phase(-ma)
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return wave:am(ff,1,-1)
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end
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end
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local function new()
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local wave=sg:noise():phase(math.random()*1000):freq(1000):amp(0.25)
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:pm(sg:triangle():freq(50):am(sg:silence(1):fade(0,0.04),-1,1),-0.01,0.01)
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:add(sg:sine():amp(0.55):freq(50):pm(sg:noise():freq(500):phase(0.834715384),-0.01,0.01))
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wave=wave:fade(0,0.1)
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wave=wave:fade(0.001,0)
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return wave
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end
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local waves={}
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for n=0,1-1 do
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waves[#waves+1]=new():phase(-n*0.1):amp(0.3)
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end
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local wave=sg:silence():clamp(0,1):add(unpack(waves))
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return wave:compile()
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