This is good general programming advice beyond game development. If you think you need inheritance, you probably will be better off using composition because th

This is good general programming advice beyond game development. If you think you need inheritance, you probably will be better off using composition because the general "is-a" rule of thumb is, in my opinion, a bad way to figure out if inheritance is required. More in this old thread: http://news.ycombinator.com/item?id=1992745 http://news.ycombinator.com/item?id=1992745 In short, use composition and if inheritance is what you want instead, it will become obvious soon enough.