The scenario
Modeling the core classes and relationships for a retro Space Invaders game in Python, including the game loop, player ship, enemy formation, bullets, scoring, and game states.
What is in this drawing
Read the decisions behind it.
01
Use of composition from AlienFormation to Alien to represent the formation owning its aliens
02
Directed association from PlayerShip to Bullet for firing mechanics
03
Dependency arrow from Game to GameState enumeration to show usage without strong coupling
When designing a similar arcade shooter game with distinct game states, formation-based enemy movement, and score tracking.
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