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Save a handful of tokens and fix indentation. #2

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pyrex merged 1 commits from kistaro/chameleonic:cleanup-2 into main 2022-12-17 23:51:51 +00:00
Conversation 0 Commits 1 Files Changed 1 +29 -31
1 changed files with 29 additions and 31 deletions
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chameleonic.p8
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@ -22,7 +22,6 @@ function names(root)
end end
function _doall(x) function _doall(x)
for n in names(x) do for n in names(x) do
for mod in all(modules) do for mod in all(modules) do
local f=mod[n] local f=mod[n]
@ -32,13 +31,12 @@ function _doall(x)
end end
-- source: https://www.lexaloffle.com/bbs/?pid=78990 -- source: https://www.lexaloffle.com/bbs/?pid=78990
gaps={57,23,10,4,1} gaps=split"57,23,10,4,1"
--{701,301,132,57,23,10,4,1} --{701,301,132,57,23,10,4,1}
function shellsort(a) function shellsort(a)
for gap in all(gaps) do for gap in all(gaps) do
for i=gap+1,#a do for i=gap+1,#a do
local x=a[i] local x,j=a[i],i-gap
local j=i-gap
while j>=1 and a[j].key>x.key do while j>=1 and a[j].key>x.key do
a[j+gap]=a[j] a[j+gap]=a[j]
j-=gap j-=gap
@ -57,36 +55,36 @@ function linefill(ax,ay,bx,by,r,c)
local n=min(abs(dx),abs(dy))/d local n=min(abs(dx),abs(dy))/d
d*=sqrt(n*n+1) d*=sqrt(n*n+1)
if(d<0.001) return if(d<0.001) return
local ca,sa=dx/d,-dy/d local ca,sa=dx/d,-dy/d
-- polygon points -- polygon points
local s={ local s={
{0,-r},{d,-r},{d,r},{0,r} {0,-r},{d,-r},{d,r},{0,r}
} }
local u,v,spans=s[4][1],s[4][2],{} local u,v,spans=s[4][1],s[4][2],{}
local x0,y0=ax+u*ca+v*sa,ay-u*sa+v*ca local x0,y0=ax+u*ca+v*sa,ay-u*sa+v*ca
for i=1,4 do for i=1,4 do
local u,v=s[i][1],s[i][2] local u,v=s[i][1],s[i][2]
local x1,y1=ax+u*ca+v*sa,ay-u*sa+v*ca local x1,y1=ax+u*ca+v*sa,ay-u*sa+v*ca
local _x1,_y1=x1,y1 local _x1,_y1=x1,y1
if(y0>y1) x0,y0,x1,y1=x1,y1,x0,y0 if(y0>y1) x0,y0,x1,y1=x1,y1,x0,y0
local dx=(x1-x0)/(y1-y0) local dx=(x1-x0)/(y1-y0)
if(y0<0) x0-=y0*dx y0=-1 if(y0<0) x0-=y0*dx y0=-1
local cy0=y0\1+1 local cy0=y0\1+1
-- sub-pix shift -- sub-pix shift
x0+=(cy0-y0)*dx x0+=(cy0-y0)*dx
for y=y0\1+1,min(y1\1,127) do for y=y0\1+1,min(y1\1,127) do
-- open span? -- open span?
local span=spans[y] local span=spans[y]
if span then if span then
rectfill(x0,y,span,y) rectfill(x0,y,span,y)
else else
spans[y]=x0 spans[y]=x0
end
x0+=dx
end end
x0,y0=_x1,_y1 x0+=dx
end end
x0,y0=_x1,_y1
end
end end
function _apply(x,ts,a) function _apply(x,ts,a)