Sierpinski square curve: Difference between revisions
Added 11l
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Produce a graphical or ASCII-art representation of a [[wp:Sierpiński_curve|Sierpinski square curve]] of at least order 3.
=={{header|11l}}==
{{trans|C++}}
<lang 11l>F sierpinski_square(fname, size, length, order)
V x = (size - length) / 2
V y = Float(length)
V angle = 0.0
V outfile = File(fname, ‘w’)
outfile.write(‘<svg xmlns='http://www.w3.org/2000/svg' width='’size‘' height='’size"'>\n")
outfile.write("<rect width='100%' height='100%' fill='white'/>\n")
outfile.write(‘<path stroke-width='1' stroke='black' fill='none' d='’)
V s = ‘F+XF+F+XF’
L 0 .< order
s = s.replace(‘X’, ‘XF-F+F-XF+F+XF-F+F-X’)
outfile.write(‘M’x‘,’y)
L(c) s
S c
‘F’
x += length * cos(radians(angle))
y += length * sin(radians(angle))
outfile.write(‘ L’x‘,’y)
‘+’
angle = (angle + 90) % 360
‘-’
angle = (angle - 90 + 360) % 360
outfile.write("'/>\n</svg>\n")
sierpinski_square(‘sierpinski_square.svg’, 635, 5, 5)</lang>
{{out}}
Output is similar to C++.
=={{header|C++}}==
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