Generate EDM (but the code is bad)
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pulsar.p8
72
pulsar.p8
@ -17,11 +17,73 @@ __gfx__
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00700700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
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__sfx__
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__music__
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00 00404040
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00 01404040
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00 08090a40
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00 0b0c0d40
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00 40404040
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00 40404040
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@ -8,6 +8,7 @@ function performer:init(track,channel,instrument,time,roots)
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self.time=time
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self.roots=roots
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self.selected_root=1
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self.offset=0
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end
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function performer:root(root)
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@ -16,7 +17,7 @@ function performer:root(root)
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end
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function performer:play(duration,note,verbs)
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local base=self.roots[self.selected_root]
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local note=base+note
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local note=base+note+self.offset
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local t0=self.time
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local t1=t0+duration
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self.time+=duration
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162
unique.lua
162
unique.lua
@ -1,7 +1,7 @@
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function _init()
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local bgm=build_bgm()
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local free_patterns={}
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for i=0,63 do add(free_patterns,i) end
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for i=8,63 do add(free_patterns,i) end
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bgm:build(free_patterns,0)
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@ -18,60 +18,132 @@ end
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function build_bgm()
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local bgm=track:new()
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bgm:add(32)
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bgm:add(32)
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bgm:add(32)
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bgm:add(32)
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trumpet=instrument:new(play_trumpet)
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local perf=performer:new(bgm,0,trumpet,0,{30})
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perf:play(3,0)
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perf:play(3,7)
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perf:play(3,5,"warb")
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perf:play(1,3)
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perf:play(1,2)
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perf:play(1,0)
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perf:play(2,-2)
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perf:play(2,-4)
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perf:play(3,-5,"hold")
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perf:play(3,5,"hold")
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perf:play(4,4,"warb")
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perf:rest(1)
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perf:play(1,-2)
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perf:play(1,0)
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perf:play(1,2)
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perf:play(1,3)
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perf:play(1,5)
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local bassline=instrument:new(devil(0,2,5,5))
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local yowler=instrument:new(devil(1,2,5,3))
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local p0=performer:new(bgm,0,bassline,0,{12-2})
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local p1=performer:new(bgm,1,yowler,0,{24-2})
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perf:play(2,7)
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perf:play(2,5)
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perf:play(2,12)
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perf:play(2,14)
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perf:play(2,15)
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perf:play(1,17)
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perf:play(1,15)
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perf:play(2,14)
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perf:play(2,12)
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perf:play(2,10)
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perf:play(1,12)
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perf:play(1,10)
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perf:play(2,8)
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perf:play(1,10)
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perf:play(1,8)
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perf:play(4,7)
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perf:rest(4)
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function generators(r,a,b,c,d)
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a+=r b+=r c+=r d+=r
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local oct=12
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if (b < a) oct=-12
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local e=a+oct
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local f=b+oct
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local g=c+oct
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local t={
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gen4=function()
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p0:play(1,a) p0:play(1,a+24,"slide") p0:play(1,d) p0:play(1,e)
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p1:play(1,a,"chop") p1:play(1,a,"chop") p1:play(1,d) p1:play(1,e)
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end,
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gen3=function()
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p0:play(1,a) p0:play(1,a,"chop") p0:play(1,d)
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p1:play(1,a,"chop") p1:play(1,a,"chop") p1:play(1,d)
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end,
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gen2=function(off)
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off = off or 0
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p0:play(1,f+off) p0:play(1,g+off)
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p1:play(1,f+off,"chop") p1:play(1,g+off)
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end
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}
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t.gen16=function()
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t.gen4() t.gen4() t.gen3() t.gen3() t.gen2()
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end
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t.gen12=function()
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t.gen3() t.gen3() t.gen3() t.gen3()
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end
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return t
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end
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p1.offset=-12
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generators(0,0,3,5,10).gen16()
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p1.offset=-5
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generators(12,0,3,5,10).gen16()
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generators(24,0,3,5,10).gen16()
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p1.offset=4
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generators(29,0,-2,-3,-7).gen12()
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p1.offset=7
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generators(29,0,-2,-3,-7).gen2()
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p1.offset=-5
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generators(29,0,-2,-3,-7).gen2()
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local drums=instrument:new(drums)
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local pd=performer:new(bgm,1,drums,0,{0})
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for i=0,5 do
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pd:play(1,0,"kick")
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pd:rest(3)
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pd:play(1,0,"snare")
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pd:rest(3)
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end
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pd:play(1,0,"kick") pd:rest(1) pd:play(1,0,"kick") pd:rest(1) pd:play(1,0,"snare") pd:rest(1)
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pd:play(1,0,"kick") pd:rest(1) pd:play(1,0,"kick") pd:rest(1) pd:play(1,0,"snare") pd:rest(1)
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pd:play(1,0,"kick") pd:rest(1) pd:play(1,0,"kick") pd:rest(1)
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local melo1=instrument:new(melo1)
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local pm=performer:new(bgm,2,melo1,0,{48-2})
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local function generate_ostinato(a,b,c,d,e,stophalf)
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pm:play(1,a,"qq") pm:play(1,a,"qq") pm:play(1,a,"q") pm:play(1,a)
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pm:play(1,a,"qq") pm:play(1,a,"qq") pm:play(1,a,"q") pm:play(1,a)
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pm:play(1,a,"qq") pm:play(1,a,"qq") pm:play(1,a,"q") pm:play(1,a)
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pm:play(1,a,"qq") pm:play(1,a,"qq") pm:play(1,e,"q") pm:play(1,e)
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if (stophalf) return
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pm:play(1,d,"qq") pm:play(1,d,"q") pm:play(1,d) pm:play(1,d)
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pm:play(1,d,"q") pm:play(1,d,"q") pm:play(1,d) pm:play(1,d)
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pm:play(1,c,"q") pm:play(1,c,"q") pm:play(1,c) pm:play(1,c)
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pm:play(1,b) pm:play(1,b) pm:play(1,c) pm:play(1,b)
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end
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generate_ostinato(-5,-2,2,3,5)
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generate_ostinato(-5,-2,2,3,5,true)
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pm:rest(16)
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return bgm
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end
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function play_trumpet(duration,pitch,verbs)
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local e=0
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if (verbs.slide) e=1
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if (verbs.warb) e=2
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function devil(w,e,v0,v1)
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return function(duration,pitch,verbs)
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local out={}
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for i=1,duration do
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local v=v1
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if (i == 1) v=v0
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out[i]=nflags:new{p=pitch,v=v,c=1,w=w,e=e}
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end
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if (verbs.slide and #out>0) out[1].e=1
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if (verbs.chop and #out>0) out[1].e=3
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return out
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end
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end
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function drums(duration,pitch,verbs)
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if verbs.kick then
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return {
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-- kind of a cool sidechained bass effect, but not useful here
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-- nflags:new{p=10,v=7,c=1,w=0,e=0},
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-- nflags:new{p=0,v=5,c=1,w=0,e=1}
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nflags:new{p=19,v=7,c=1,w=2,e=0},
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-- nflags:new{p=12,v=5,c=1,w=2,e=0}
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}
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end
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if (verbs.snare) return {nflags:new{p=30,v=7,c=0,w=6,e=3}}
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return {}
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end
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function melo1(duration,pitch,verbs)
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local v=6
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if (verbs.q) v=4
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if (verbs.qq) v=2
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local out={}
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for i=1,duration do
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out[i]=nflags:new{p=pitch,v=2,w=2,e=e}
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out[i]=nflags:new{p=pitch,w=3,v=v,e=5}
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end
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if (not verbs.slide) out[1].e=4
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if (not verbs.hold and #out>1) out[#out].e=5
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return out
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end
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end
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