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main #21

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kistaro wants to merge 76 commits from main into some_level
pull from: main
merge into: kistaro:some_level
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chameleonic.p8
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@@ -95,11 +95,10 @@ function linefill(ax,ay,bx,by,r,c)
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
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=cy0,min(y1\1,127) do
-- open span? -- open span?
local span=spans[y] local span=spans[y]
if (span) rectfill(x0,y,span,y) if (span) rectfill(x0,y,span,y)