38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
import itertools
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class Board:
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def __init__(self, width, height, quotient_x, quotient_y):
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self.width = width
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self.height = height
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self.quotient_x = quotient_x
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self.quotient_y = quotient_y
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self.lives = set()
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def toggle(self, x, y):
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if (x, y) in self.lives:
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self.lives.remove((x, y))
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else:
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self.lives.add((x, y))
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def evaluate(self):
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new_lives = set()
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for (x, y) in itertools.product(range(self.width), range(self.height)):
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neighbor_count = 0
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for (dx, dy) in itertools.product([-1, 0, 1], [-1, 0, 1]):
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if dx == 0 and dy == 0:
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continue
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nx = x + dx
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ny = y + dy
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if self.quotient_x:
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nx %= self.width
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if self.quotient_y:
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ny %= self.height
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if (nx, ny) in self.lives:
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neighbor_count += 1
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if (x, y) in self.lives and neighbor_count in [2, 3]:
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new_lives.add((x, y))
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if (x, y) not in self.lives and neighbor_count == 3:
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new_lives.add((x, y))
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self.lives = new_lives
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