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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

Declaring structs

Structs are similar to classes in that they are also blueprints for objects you want to create in your programs. The main difference is that they are value types, meaning they are passed by value instead of reference, like classes are. When structs are assigned or passed to another variable, a new copy of the struct is created, so the original isn't referenced at all. We'll go into this in more detail in the next section. First, we need to understand how structs work and the specific rules that apply when creating them.

Structs are declared in the same way as classes, and can hold fields, methods, and constructors:

accessModifier struct UniqueName 
{
    Variables
    Constructors
    Methods
}

Like classes, any variables and methods belong exclusively to the struct and are accessed by its unique name.

However, structs have a few limitations:

  • Variables cannot be initialized with values inside the struct declaration unless they're marked with the static...
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