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)
21
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22
Index

Breaking down the Factory Method pattern

As part of the creational family of design patterns, the Factory Method pattern gives us the power to create objects through an interface without having to specify the exact class that’s getting instantiated. The Factory Method pattern is useful when:

  • Your class can’t specify the class objects it’s required to create.
  • Your class needs its subclasses to determine the objects it’s required to create.
  • You need a common method or operation among all objects for instantiation.

Consider a real-world company that manufactures a variety of products as shown in Figure 4.1. A customer orders a product or products, the factory manufactures the order, and then the factory ships it back to the customer. The company’s management system doesn’t necessarily need to know the details of how each and every product is made (it doesn’t care how fidget spinners or computers are put...