--PICTURE: Pattern - Sierpinsky triangle v1.0
--by Richard Fhager
--http://hem.fyristorg.com/dawnbringer/
-- Email: dawnbringer@hem.utfors.se
-- MSN: annassar@hotmail.com
--
-- Copyright 2010 Richard Fhager
--
-- This program is free software; you can redistribute it and/or
-- modify it under the terms of the GNU General Public License
-- as published by the Free Software Foundation; version 2
-- of the License. See <http://www.gnu.org/licenses/>
-- This script was adopted from Evalion, a Javascript codecrafting/imageprocessing project
-- http://goto.glocalnet.net/richard_fhager/evalion/evalion.html
--
frac = {{1,1},{1,0}}
iter = 15
--
function pattern(x,y,p,n,i) -- Fractal Pattern V1.0 by Richard Fhager (mod allows for wrapping)
py = #p
px = #p[1]
while ((p[1+math.abs(math.floor(y*py))%py][1+math.abs(math.floor(x*px))%px]) == 1 and n<i) do
x=x*px-math.floor(x*px);
y=y*py-math.floor(y*py);
n = n+1
end
return 1 - n/i;
end
--
w, h = getpicturesize()
rp,gp,bp = getcolor(getforecolor())
for y = 0, h - 1, 1 do
for x = 0, w - 1, 1 do
ox = x / w;
oy = y / h;
f = pattern(ox,oy,frac,0,iter);
c = matchcolor(rp*f,gp*f,bp*f)
putpicturepixel(x, y, c);
end
updatescreen()
if (waitbreak(0)==1) then
return
end
end