Book Image

Learning Design Patterns with Unity

By : Harrison Ferrone
Book Image

Learning Design Patterns with Unity

By: Harrison Ferrone

Overview of this book

Struggling to write maintainable and clean code for your Unity games? Look no further! Learning Design Patterns with Unity empowers you to harness the fullest potential of popular design patterns while building exciting Unity projects. Through hands-on game development, you'll master creational patterns like Prototype to efficiently spawn enemies and delve into behavioral patterns like Observer to create reactive game mechanics. As you progress, you'll also identify the negative impacts of bad architectural decisions and understand how to overcome them with simple but effective practices. By the end of this Unity 2023 book, the way you develop Unity games will change. You'll emerge not just as a more skilled Unity developer, but as a well-rounded software engineer equipped with industry-leading design patterns.
Table of Contents (23 chapters)
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Index

Breaking down the Type Object pattern

While the Type Object pattern wasn’t included in the original Gang of Four context, it still belongs to the behavioral category because it deals with communication between objects, specifically between the Instance Object (all playable characters are heroes) and its type object (elves are elvish type heroes). The Type Object pattern is useful when:

  • You don’t know the exact number or kind of types you’ll need right from the start.
  • You want to avoid big class hierarchies that initialize, override, and manage the same shared properties.
  • You need to add or change types without breaking existing code.

Let’s start from scratch to avoid any assumptions. We have a game that needs lots of monsters; monsters can be trolls, zombies, or dragons, and these trolls, zombies, and dragons can come in strong, average, or weak flavors. On top of that, our monsters can have ice, fire, and lightning elemental...