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#
# Code under the MIT license by Alexander Pruss
#
from mcturtle import *
import lsystem
t = Turtle()
t.pendelay(0)
t.turtle(None)
t.penblock(BRICK_BLOCK)
# ensure angles are always integral multiples of 90 degrees
t.gridalign()
rules = {'X':'X+YF+', 'Y':'-FX-Y'}
def go():
# draw a wall segment with a door
t.pendown()
t.penblock(BRICK_BLOCK)
t.startface()
for i in range(4):
t.go(4)
t.pitch(90)
t.endface()
t.penup()
t.go(2)
t.pendown()
t.penblock(AIR)
t.pitch(90)
t.go(1)
t.penup()
t.pitch(180)
t.go(1)
t.pitch(90)
t.go(2)
dictionary = { '+': lambda: t.yaw(90),
'-': lambda: t.yaw(-90),
'F': lambda: go() }
lsystem.lsystem('FX', rules, dictionary, 14)
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