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SDL Game Development by Shaun Mitchell

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Should we always use inheritance?

Inheritance and polymorphism are both very useful and really show off the power of object-oriented programming. However, in some circumstances, inheritance can cause more problems than it solves, and therefore, we should bear in mind a few rules of thumb when deciding whether or not to use it.

Could the same thing be achieved with a simpler solution?

Let's say we want to make a more powerful Enemy object; it will have the same behavior a regular Enemy object will have but with more health. One possible solution would be to derive a new class PowerEnemy from Enemy and give it double health. In this solution the new class will seem extremely sparse; it will use the functionality from Enemy but with one different value. ...

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