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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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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

Firing events

C# events allow you to essentially create a subscription system based on actions in your games or apps. For instance, if you wanted to send out an event whenever an item is collected, or when a player presses the spacebar, you could do that. However, when an event fires, it doesn’t automatically have a subscriber, or receiver, to handle any code that needs to execute after the event action.

Any class can subscribe or unsubscribe to an event through the calling class the event is fired from; just like signing up to receive notifications on your phone when a new post is shared on Facebook, events form a kind of distributed-information superhighway for sharing actions and data across your application.

Declaring events is similar to declaring delegates in that an event has a specific method signature. We’ll use a delegate to specify the method signature we want the event to have, then create the event using the delegate type and the event keyword:

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