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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Mandelbrot-set/SPL/mandelbrot-set.spl Normal file
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w,h = #.scrsize()
sfx = -2.5; sfy = -2*h/w; fs = 4/w
#.aaoff()
> y, 1...h
> x, 1...w
fx = sfx + x*fs; fy = sfy + y*fs
#.drawpoint(x,y,color(fx,fy):3)
<
<
color(x,y)=
zr = x; zi = y; n = 0; maxn = 150
> zr*zr+zi*zi<4 & n<maxn
zrn = zr*zr-zi*zi+x; zin = 2*zr*zi+y
zr = zrn; zi = zin; n += 1
<
? n=maxn, <= 0,0,0
<= #.hsv2rgb(n/maxn*360,1,1):3
.