initial
This commit is contained in:
commit
b6289fd8cc
96
main.lua
Normal file
96
main.lua
Normal file
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soundgen=require "soundgen"
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love.window.setMode(800,600,{resizable=true})
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function znoise(...)
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return love.math.noise(...)*2-1
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end
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local sdata
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local source
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function love.keypressed(k)
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local p="sounds/"..k..".lua"
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if love.filesystem.getInfo(p) and k~="0" and k~="space" then
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if source then
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source:stop()
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source=nil
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sdata=nil
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end
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package.loaded.soundgen=nil
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soundgen=require"soundgen"
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local ok,err=xpcall(function()return dofile("sounds/"..k..".lua")end,debug.traceback)
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if ok and err then
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print("booooom")
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sdata=err
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source=love.audio.newSource(sdata)
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source:setLooping(true)
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source:play()
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else
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print("bad",ok,source,err)
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end
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elseif k=="0" then
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if source then
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source:stop()
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source=nil
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sdata=nil
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end
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elseif k=="space" then
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if source then
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local _ = source:isPlaying() and {source:pause()} or source:play()
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end
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end
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end
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local l1={}
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local l2={}
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local res=4096
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local chanc=0
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local upd=nil
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local pitch=1
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function love.mousemoved(x,y,dx,dy)
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local w,h=love.graphics.getDimensions()
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local dy=-dy/h*2*(math.abs(pitch)+.1)
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if love.mouse.isDown(1) then
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pitch=math.min(10,math.max(-10,pitch+dy))
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end
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end
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function love.update(dt)
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local w,h=love.graphics.getDimensions()
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local rate=sdata and sdata:getSampleRate() or 0
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chanc=sdata and sdata:getChannelCount() or 1
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local s2i=chanc==2
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if source then
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source:setPitch(math.max(0.001,pitch))
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if pitch<0.001 then
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source:seek(math.max(0,source:tell()+pitch*dt))
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end
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end
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local ma=sdata and sdata:getSampleCount() or 1
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for n=1,res do
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local sami=(source and source:tell("samples") or 0)-math.floor(rate*((n-1)/(res-1))*0.05)
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sami=sami%ma
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l1[(n-1)*2+1],l1[(n-1)*2+2]
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=w-(n-1)/(res-1)*w,(sdata and (-sdata:getSample(s2i and sami*2 or sami)*0.5*0.5+0.5) or 0.5)*h
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if s2i then
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l2[(n-1)*2+1],l2[(n-1)*2+2]
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=w-(n-1)/(res-1)*w,(sdata and (-sdata:getSample(sami*2+1)*0.5*0.5+0.5) or 0.5)*h
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end
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end
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upd=true
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end
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function love.draw()
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love.graphics.print(pitch)
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love.graphics.push("all")
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love.graphics.setLineJoin("none")
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love.graphics.setLineWidth(1)
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love.graphics.setLineStyle("rough")
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if chanc==1 then
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love.graphics.setColor(1,1,1)
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love.graphics.line(l1)
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elseif chanc==2 then
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love.graphics.setColor(0.8,0.8,1)
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love.graphics.line(l1)
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love.graphics.setColor(1,0.8,0.8)
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love.graphics.line(l2)
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end
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love.graphics.pop()
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end
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204
soundgen.lua
Normal file
204
soundgen.lua
Normal file
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@ -0,0 +1,204 @@
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local smt={}
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smt.__index=smt
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smt.proto=smt
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local function round(x)
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return math.floor(x+.5)
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end
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function smt:bounds_and(a,b,c,...)
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if not a or not b then return false end
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local mi,ma
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mi=math.max(a[1],b[1])
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ma=math.min(a[2],b[2])
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if ma-mi<=0 then return false end
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if c then
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return self:bounds_and({mi,ma},c,...)
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end
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return {mi,ma}
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end
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function smt:bounds_or(a,b,c,...)
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local mi,ma=math.min(a[1],b[1]),math.max(a[2],b[2])
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if not a then return b end
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if not b then return a end
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if c then
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return self:bounds_or({mi,ma},c,...)
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end
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return {mi,ma}
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end
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function smt:new(fn,bounds)
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local obj={}
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obj.bounds=bounds
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if obj.bounds==nil then
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obj.bounds={-math.huge,math.huge}
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end
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obj.sample=fn
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return setmetatable(obj,self.proto)
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end
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function smt:sine()
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return self:new(function(self,t)
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return math.sin(t*math.pi*2)
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end)
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end
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function smt:square()
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return self:new(function(self,t)
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return (t%1)<=0.5 and -1 or 1
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end)
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end
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function smt:sawtooth()
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return self:new(function(self,t)
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return (t%1)*2-1
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end)
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end
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function smt:triangle()
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return self:new(function(self,t)
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--return ((t%1)<=0.5 and (t*2)%1 or 1-(t*2)%1)*2-1 -- sounds cool and glitchy but wrong
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local a=t%1
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if a>0.5 then
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return (1-(a*2-1))*2-1
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end
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return (a*2)*2-1
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end)
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end
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function smt:noise(y,z,x)
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return self:new(function(self,t)
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return love.math.noise(t,y,z,x)*2-1
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end)
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end
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function smt:silence(a)
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a=a or 0
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return smt:new(function()return a end)
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end
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local function rated_bounds(bounds,rate)
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local mi,ma=bounds[1],bounds[2]
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mi,ma=mi*rate,ma*rate
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mi,ma=round(mi),round(ma)-1
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return mi,ma
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end
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local function prefi(y)
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return math.min(1,math.max(-1,y))
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end
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function smt:compile(rate,bits,alt)
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rate=rate or 44100
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bits=bits or 16
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local bounds=self.bounds
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local mi,ma=rated_bounds(bounds,rate)
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if alt then
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bounds=self:bounds_and(bounds,alt.bounds)
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local mi,ma=rated_bounds(bounds,rate)
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local sdata=love.sound.newSoundData(ma-mi+1,rate,bits,2)
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for x=mi,ma do
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local x=x+mi
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sdata:setSample(x*2,prefi(self:sample(x/rate+0.5/rate)))
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sdata:setSample(x*2+1,prefi(alt:sample(x/rate+0.5/rate)))
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end
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return sdata
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end
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local sdata=love.sound.newSoundData(ma-mi+1,rate,bits,1)
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for x=mi,ma do
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local xx=x-mi
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sdata:setSample(xx,prefi(self:sample(x/rate+0.5/rate)))
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end
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return sdata
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end
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function smt:phase(p)
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local bb=self.bounds
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if bb then
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bb={bb[1]-p,bb[2]-p}
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end
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return self:new(function(obj,t)
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return self:sample(t+p)
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end,bb)
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end
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function smt:amp(a)
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return self:new(function(obj,t)
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return self:sample(t)*a
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end,self.bounds)
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end
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function smt:freq(f)
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local bb=self.bounds
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if bb then
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bb={bb[1]/f,bb[2]/f}
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if bb[2]<bb[1] then
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bb={bb[2],bb[1]}
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end
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end
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return self:new(function(obj,t)
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return self:sample(t*f)
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end,bb)
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end
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function smt:clamp(mi,ma)
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return self:new(function(nself,t)
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if t<mi or t>ma then return 0 end
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return self.sample(self,t)
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end,self:bounds_and(self.bounds,{mi,ma}))
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end
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function smt.am(car,mod,mi,ma)
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return smt:new(function(self,t)
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return car:sample(t)*((mod:sample(t)*0.5+0.5)*(ma-mi)+mi)
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end,car:bounds_and(car.bounds,mod.bounds))
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end
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function smt.pm(car,mod,mi,ma)
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assert(car.bounds
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and car.bounds[1]==-math.huge
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and car.bounds[2]==math.huge,
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"infinite carrier expected")
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mod=mod:add(mod:silence())
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return smt:new(function(self,t)
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return car:sample(t+((mod:sample(t)*0.5+0.5)*(ma-mi)+mi))
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end,car.bounds)
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end
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function smt.add(a,b,...)
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if not b then
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if not a then return smt:silence() end
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return a
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end
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local ls={a,b,...}
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local bbs={}
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for k,v in pairs(ls) do
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bbs[k]=v.bounds
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end
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return smt:new(function(self,t)
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local r=0
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for k,v in pairs(ls) do
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r=r+v:sample(t)
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end
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return r
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end,a:bounds_or(unpack(bbs)))
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end
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do
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local fwav=smt:sine():phase(0.75):freq(0.25)
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fwav=fwav:clamp(0,1)
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fwav=fwav:add(smt:silence(-1):clamp(-math.huge,0))
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function smt.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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function smt.fm(car,mod,rate,mi,ma) -- TODO
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local cframe,cache=0,{}
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return smt.new(function(self,t)
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end,mod.bounds)
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end
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return smt
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40
sounds/1.lua
Normal file
40
sounds/1.lua
Normal file
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@ -0,0 +1,40 @@
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local rate=44100
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local len=1
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local bfreq=500
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local lacu,pers=1.5,0.5
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local octas=4
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local rta=0
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local oofs={}
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math.randomseed(os.time())
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do
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local pe=1
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for n=1,octas do
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oofs[n]=math.random()*2-1
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rta=rta+(pe)
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pe=pe*pers
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|
end
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||||||
|
end
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|
local sd=love.sound.newSoundData(rate*len,rate,16,1)
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local function gsample(t)
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|
local arg=(bfreq*(t^((1+math.sin(t*2*math.pi)*0.1)*love.math.noise(t*0.1-0.05,5244,love.math.noise(t*1000,2949)*0.01-0.005))))
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||||||
|
--print(arg)
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local nn=0
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||||||
|
local pe=1/rta
|
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|
local ao=1
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|
for n=1,octas do
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local nnn=znoise(arg*ao,n/5+oofs[n])*pe
|
||||||
|
--nn=math.max(-1,math.min(1,nn+nnn))
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||||||
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nn=nn+nnn
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||||||
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--print(n,nn,nnn,pe,ao)
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||||||
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pe=pe*pers
|
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|
ao=ao*lacu
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||||||
|
end
|
||||||
|
nn=nn*0.5+znoise((1-t)^(math.sin(t*math.pi*10*math.cos(t*10))*1+6+znoise(423,5453,t*1000)*0.05)*1000)*0.5
|
||||||
|
nn=nn*1.5
|
||||||
|
return (nn*(1-t)^5)*(math.min(1,math.max(t*100))^0.5)
|
||||||
|
end
|
||||||
|
for n=0,len*rate-1 do
|
||||||
|
local a=gsample(n/(rate))
|
||||||
|
sd:setSample(n,a)
|
||||||
|
end
|
||||||
|
return sd
|
15
sounds/2.lua
Normal file
15
sounds/2.lua
Normal file
|
@ -0,0 +1,15 @@
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||||||
|
local ss=
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||||||
|
soundgen:sine():freq(100)
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||||||
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:pm(soundgen:sine():freq(50),-0.01,0.01)
|
||||||
|
:pm(soundgen:sine():freq(50.5):pm(soundgen:sine():freq(1000):am(soundgen:sine():freq(10),0.4,0.6),-0.0001,0.0001),-0.01,0.01)
|
||||||
|
:pm(soundgen:sine():freq(0.5):phase(0.4552),0,0.01)
|
||||||
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:am(soundgen:sine():freq(500):pm(soundgen:sine():freq(50),-0.015,0.015),0.5,1)
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||||||
|
:clamp(0,2):amp(0.5):add(
|
||||||
|
soundgen:sine():freq(2500)
|
||||||
|
:pm(soundgen:sine():freq(100)
|
||||||
|
:am(soundgen:sine():freq(100),-0.01,0.01)
|
||||||
|
,-0.1,0.1):amp(0.05):am(soundgen:sine():freq(50),0,1):am(soundgen:sine():freq(0),0.5,1)
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||||||
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:clamp(0,2)
|
||||||
|
)
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||||||
|
:compile()
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||||||
|
return ss
|
7
sounds/3.lua
Normal file
7
sounds/3.lua
Normal file
|
@ -0,0 +1,7 @@
|
||||||
|
local sg=soundgen
|
||||||
|
local ss=
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||||||
|
sg:sine():freq(1000):pm(sg:sine():freq(105.46):am(sg:sine():freq(505.3),-1,1),-0.001,0.001)
|
||||||
|
:am(sg:sine():freq(500),-2,0.1)
|
||||||
|
:am(sg:sine():phase(0.25):freq(0.5):clamp(0,0.5):freq(0.5):freq(3):add(sg:silence(-1)),0,1):clamp(0,1)
|
||||||
|
:compile()
|
||||||
|
return ss
|
9
sounds/4.lua
Normal file
9
sounds/4.lua
Normal file
|
@ -0,0 +1,9 @@
|
||||||
|
local sg=soundgen
|
||||||
|
return
|
||||||
|
sg:square():freq(1000)
|
||||||
|
:pm(sg:sine():phase(0.5):freq(0.1):am(sg:sine():freq(100),0,0.1),-0.05,0.05)
|
||||||
|
:am(sg:sine():freq(200),-1,1):amp(0.4):am(sg:sine():freq(150):pm(sg:sine():freq(0.5),-0.1,0.1),0.25,1)
|
||||||
|
--:clamp(0,10)
|
||||||
|
:fade(0.01,0):fade(0.01,0.5):add(sg:silence()):clamp(0,2)
|
||||||
|
:compile()
|
||||||
|
|
8
sounds/5.lua
Normal file
8
sounds/5.lua
Normal file
|
@ -0,0 +1,8 @@
|
||||||
|
local sg=soundgen
|
||||||
|
--[[local sine=sg:sine():freq(800)
|
||||||
|
for n=1,8 do
|
||||||
|
sine=sine:am(sg:sine():freq(50*2^n):phase(n/8),0.85-(2^-n),0.85+(2^-n)):pm(sg:sine():freq(4*2^(n*0.99)):phase(1/n),-0.004/(n*0.8),0.004/(n*0.8))
|
||||||
|
end]]
|
||||||
|
local sine=sg:noise(0):freq(200):pm(sg:noise():freq(5000),-1/500,1/500):am(sg:sine():freq(150),0.2,1):am(sg:sine():phase(0.2):clamp(0,0.27):freq(2):add(sg:silence(0)),-1,1)
|
||||||
|
sine=sine:clamp(0,1):freq(0.5)
|
||||||
|
return sine:compile()
|
16
sounds/6.lua
Normal file
16
sounds/6.lua
Normal file
|
@ -0,0 +1,16 @@
|
||||||
|
local sg=soundgen
|
||||||
|
local wave=sg.add(
|
||||||
|
sg:sine():freq(1):amp(0.1),
|
||||||
|
sg:sine():freq(2):amp(0.1),
|
||||||
|
sg:sine():freq(4):amp(0.1),
|
||||||
|
sg:sine():freq(8):amp(0.1),
|
||||||
|
sg:sine():freq(16):amp(0.1),
|
||||||
|
sg:sine():freq(32):amp(0.1),
|
||||||
|
sg:sine():freq(64):amp(0.1),
|
||||||
|
sg:sine():freq(128):amp(0.1),
|
||||||
|
sg:sine():freq(256):amp(0.1),
|
||||||
|
sg:sine():freq(512):amp(0.1),
|
||||||
|
sg:sine():freq(1024):amp(0.1)
|
||||||
|
)
|
||||||
|
wave=wave:clamp(0,10)
|
||||||
|
return wave:compile(44100,16)
|
29
sounds/7.lua
Normal file
29
sounds/7.lua
Normal file
|
@ -0,0 +1,29 @@
|
||||||
|
local sg=soundgen
|
||||||
|
local fade
|
||||||
|
do
|
||||||
|
local fwav=sg:sine():phase(0.75):freq(0.25)
|
||||||
|
fwav=fwav:clamp(0,1)
|
||||||
|
fwav=fwav:add(sg:silence(-1):clamp(-math.huge,0))
|
||||||
|
function fade(wave,ma,mi)
|
||||||
|
local ff=fwav:freq(1/(mi-ma)):phase(-ma)
|
||||||
|
return wave:am(ff,1,-1)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
local function new()
|
||||||
|
local wave=sg:noise():phase(math.random()*1000):freq(1000):amp(0.25)
|
||||||
|
:pm(sg:triangle():freq(50):am(sg:silence(1):fade(0,0.04),-1,1),-0.01,0.01)
|
||||||
|
:add(sg:sine():amp(0.55):freq(50):pm(sg:noise():freq(500):phase(0.834715384),-0.01,0.01))
|
||||||
|
wave=wave:fade(0,0.1)
|
||||||
|
wave=wave:fade(0.001,0)
|
||||||
|
return wave
|
||||||
|
end
|
||||||
|
local waves={}
|
||||||
|
for n=0,1-1 do
|
||||||
|
waves[#waves+1]=new():phase(-n*0.1):amp(0.3)
|
||||||
|
end
|
||||||
|
local wave=sg:silence():clamp(0,1):add(unpack(waves))
|
||||||
|
return wave:compile()
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
19
sounds/8.lua
Normal file
19
sounds/8.lua
Normal file
|
@ -0,0 +1,19 @@
|
||||||
|
local sg=soundgen
|
||||||
|
local waves={}
|
||||||
|
local function sign(n)
|
||||||
|
return n>0 and 1 or (n<0 and -1 or 0)
|
||||||
|
end
|
||||||
|
for n=1,32 do
|
||||||
|
local a=sg:noise(0):phase(n):freq(50*2^(n^0.8*2)):amp(0.5^(n/2)^1.2)
|
||||||
|
local b=sg:noise(0):freq(50*n)
|
||||||
|
waves[n]=sg:new(function(self,t)
|
||||||
|
local aa=(n)/100
|
||||||
|
local t=t
|
||||||
|
local y=a:sample(t^(0.15*((n-1)^1.1/30+1))+b:sample(t)*aa)
|
||||||
|
return math.abs(y)^2*sign(y)
|
||||||
|
end)
|
||||||
|
end
|
||||||
|
local wave=sg.add(unpack(waves)):amp(1.2)
|
||||||
|
wave=wave:fade(0.001,0)
|
||||||
|
wave=wave:fade(0.001,0.5)
|
||||||
|
return wave:compile()
|
25
sounds/9.lua
Normal file
25
sounds/9.lua
Normal file
|
@ -0,0 +1,25 @@
|
||||||
|
local sg=soundgen
|
||||||
|
local wave=sg:square():freq(50*(1+math.random()*0.4-0.2)):phase(math.random())
|
||||||
|
local wave=sg:new(function(self,t)
|
||||||
|
local ttcc,ttt=0,0
|
||||||
|
for n=1,20 do
|
||||||
|
local ttc,tt=0,0
|
||||||
|
local ma=1/(512+math.random()*256-128)
|
||||||
|
local st=ma/2
|
||||||
|
for n=-ma,ma,st do
|
||||||
|
ttc=ttc+1
|
||||||
|
tt=tt+wave:sample(t+n)
|
||||||
|
end
|
||||||
|
ttcc,ttt=ttcc+1,tt/ttc
|
||||||
|
end
|
||||||
|
return ttt/ttcc
|
||||||
|
end)
|
||||||
|
--wave=wave:pm(wave:am(sg:sine():freq(70):phase(math.random()),0,1),-0.01,0.01)
|
||||||
|
--wave=wave:pm(sg:noise():phase(0.5+math.random()*100):freq(3000):am(wave,-0.1,0.1),-0.005,0.005)
|
||||||
|
local wave=sg:new(function(self,t)
|
||||||
|
return wave:sample((t/4)^0.5*4)
|
||||||
|
end)
|
||||||
|
--wave=wave:amp(0.5):add(sg:sine():freq(102):pm(sg:sine():freq(49),-0.01,0.01):amp(0.5))
|
||||||
|
wave=wave:fade(0.001,0)
|
||||||
|
wave=wave:fade(0.001,0.5)
|
||||||
|
return wave:compile()
|
Loading…
Reference in a new issue