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Learning C# by Developing Games with Unity

You're reading from   Learning C# by Developing Games with Unity Get to grips with coding in C# and build simple 3D games in Unity 2023 from the ground up

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Product type Paperback
Published in Nov 2022
Publisher Packt
ISBN-13 9781837636877
Length 466 pages
Edition 7th 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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Toc

Table of Contents (18) Chapters Close

Preface 1. Getting to Know Your Environment FREE CHAPTER 2. The Building Blocks of Programming 3. Diving into Variables, Types, and Methods 4. Control Flow and Collection Types 5. Working with Classes, Structs, and OOP 6. Getting Your Hands Dirty with Unity 7. Movement, Camera Controls, and Collisions 8. Scripting Game Mechanics 9. Basic AI and Enemy Behavior 10. Revisiting Types, Methods, and Classes 11. Specialized Collection Types and LINQ 12. Saving, Loading, and Serializing Data 13. Exploring Generics, Delegates, and Beyond 14. The Journey Continues 15. Pop Quiz Answers
16. Other Books You May Enjoy
17. Index

Defining classes

Back in Chapter 2, The Building Blocks of Programming, we talked briefly about how classes are blueprints for objects and mentioned that they can be treated as custom variable types. We also learned that the LearningCurve script is a class, but a special one that Unity can attach to objects in the scene. The main thing to remember with classes is that they are reference types—that is, when they are assigned or passed to another variable, the original object is referenced, not a new copy. We'll get into this after we discuss structs. However, before any of that, we need to understand the basics of creating classes.

For now, we're going to set aside how classes and scripts work in Unity and focus on how they are created and used in C#. Classes are created using the class keyword, as follows:

accessModifier class UniqueName
{
    Variables 
    Constructors
    Methods
}

Any variables or methods declared inside a class belong to that class and are accessed...

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