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Learning C# by Developing Games with Unity 2019

You're reading from   Learning C# by Developing Games with Unity 2019 Code in C# and build 3D games with Unity

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Product type Paperback
Published in Mar 2019
Publisher Packt
ISBN-13 9781789532050
Length 342 pages
Edition 4th Edition
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Author (1):
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Harrison Ferrone Harrison Ferrone
Author Profile Icon Harrison Ferrone
Harrison Ferrone
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Table of Contents (20) Chapters Close

Preface 1. Section 1: Programming Foundations and C# FREE CHAPTER
2. Getting to Know your Environment 3. The Building Blocks of Programming 4. Diving into Variables,Types, and Methods 5. Control Flow and Collection Types 6. Working with Classes, Structs, and OOP 7. Section 2: Scripting Game Mechanics in Unity
8. Getting Your Hands Dirty with Unity 9. Movement, Camera Controls, and Collisions 10. Scripting Game Mechanics 11. Basic AI and Enemy Behavior 12. Section 3: Leveling Up Your C# Code
13. Revisiting Types, Methods, and Classes 14. Exploring Generics, Delegates, and Beyond 15. The Journey Continues 16. Completed Game Files 17. Supplementary Classes 18. Pop Quiz Answers 19. Other Books You May Enjoy

Classes vs structs

Other than keywords and initial field values, we haven't seen much difference between classes and structs so far. Classes are best suited for grouping together complex actions and data that will change throughout a program; structs are a better choice for simple objects and data that will remain constant for the most part. Besides their uses, they are fundamentally different in one key area—that is, how they are passed, or assigned, between variables. Classes are reference types, meaning that they are passed by reference; structs are value types, meaning that they are passed by value.

Reference types

When the instances of our Character class are initialized, the hero and heroine variables don't actually hold their class information—instead, they hold a reference to where the object is located in the program's memory. If we assigned hero or heroine to another variable, the memory reference is actually assigned, not...

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