47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
"""Functions for implementing the rules of the classic arcade game Pac-Man."""
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def eat_ghost(power_pellet_active, touching_ghost):
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"""Verify that Pac-Man can eat a ghost if he is empowered by a power pellet.
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:param power_pellet_active: bool - does the player have an active power pellet?
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:param touching_ghost: bool - is the player touching a ghost?
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:return: bool - can the ghost be eaten?
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"""
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return power_pellet_active and touching_ghost
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def score(touching_power_pellet, touching_dot):
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"""Verify that Pac-Man has scored when a power pellet or dot has been eaten.
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:param touching_power_pellet: bool - is the player touching a power pellet?
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:param touching_dot: bool - is the player touching a dot?
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:return: bool - has the player scored or not?
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"""
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return touching_power_pellet or touching_dot
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def lose(power_pellet_active, touching_ghost):
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"""Trigger the game loop to end (GAME OVER) when Pac-Man touches a ghost without his power pellet.
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:param power_pellet_active: bool - does the player have an active power pellet?
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:param touching_ghost: bool - is the player touching a ghost?
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:return: bool - has the player lost the game?
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"""
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return not power_pellet_active and touching_ghost
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def win(has_eaten_all_dots, power_pellet_active, touching_ghost):
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"""Trigger the victory event when all dots have been eaten.
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:param has_eaten_all_dots: bool - has the player "eaten" all the dots?
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:param power_pellet_active: bool - does the player have an active power pellet?
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:param touching_ghost: bool - is the player touching a ghost?
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:return: bool - has the player won the game?
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"""
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return has_eaten_all_dots and not lose(power_pellet_active, touching_ghost)
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