Enchanted maze

Identifying design patterns in game engine code

This is an easy practice question that tests your ability to recognize a Gang of Four design pattern in working C++ code. It's the kind of review question that appears in technical interviews at game studios and engine-focused roles, where pattern literacy signals that you can read and reason about large codebases quickly.

The question asks you to examine a concrete implementation and name the structural or behavioural pattern at play. Success requires familiarity with classic patterns—such as Strategy, Factory, Observer, Composite, or Decorator—and the ability to spot their signatures in real code: inheritance hierarchies, delegation patterns, object composition, and method-call chains. You'll need to explain not just the pattern name, but why the co-worker chose it and what problem it solves in the context of a 3D game.

• Gang of Four design patterns (creational, structural, behavioural)
• Pattern recognition in existing code
• Trade-offs between different architectural approaches