31 lines
508 B
Python
Executable File
31 lines
508 B
Python
Executable File
#
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# Code under the MIT license by Alexander Pruss
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#
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import lsystem
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from mcturtle import *
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t = Turtle()
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t.pendelay(0)
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t.turtle(None)
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t.penblock(BRICK_BLOCK)
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t.gridalign()
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# http://mathforum.org/advanced/robertd/lsys2d.html
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rules = { 'X': 'XF-F+F-XF+F+XF-F+F-X' }
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def go():
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t.startface()
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for i in range(4):
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t.go(4)
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t.pitch(90)
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t.endface()
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t.go(4)
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dictionary = {
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'F': go,
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'+': lambda: t.yaw(90),
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'-': lambda: t.yaw(-90),
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}
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lsystem.lsystem('X', rules, dictionary, 4)
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