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18 lines
397 B
Python

from collections import deque
from lib import semicircle_generator
g_steps = 20
g_radius = 25
def path_generator():
assert (g_steps % 4) == 0
halfsteps = int(g_steps/2)
path = semicircle_generator(g_radius, g_steps, reverse=True)
mir_path = deque(path)
mir_path.rotate(halfsteps)
return [path, mir_path, path, mir_path, path, mir_path, ], "shift", 20, (0, halfsteps)