Book Image

Learning C# by Developing Games with Unity 2020 - Fifth Edition

By : Harrison Ferrone
Book Image

Learning C# by Developing Games with Unity 2020 - Fifth Edition

By: Harrison Ferrone

Overview of this book

Over the years, the Learning C# by Developing Games with Unity series has established itself as a popular choice for getting up to speed with C#, a powerful and versatile programming language that can be applied in a wide array of application areas. This book presents a clear path for learning C# programming from the ground up without complex jargon or unclear programming logic, all while building a simple game with Unity. This fifth edition has been updated to introduce modern C# features with the latest version of the Unity game engine, and a new chapter has been added on intermediate collection types. Starting with the basics of software programming and the C# language, you’ll learn the core concepts of programming in C#, including variables, classes, and object-oriented programming. Once you’ve got to grips with C# programming, you’ll enter the world of Unity game development and discover how you can create C# scripts for simple game mechanics. Throughout the book, you’ll gain hands-on experience with programming best practices to help you take your Unity and C# skills to the next level. By the end of this book, you’ll be able to leverage the C# language to build your own real-world Unity game development projects.
Table of Contents (16 chapters)

Performing operations

Set operations are performed on the calling collection object and the passed-in collection object. More specifically, set operations are used to modify the calling HashSet elements based on which operation is used. We'll get into this in more detail in the following code, but first, let's go over the three main set operations that crop up in programming scenarios the most often:

In the following definitions, currentSet refers to the HashSet calling an operation method and specifiedSet refers to the passed-in HashSet method parameter. The modified HashSet is always the current set:

currentSet.Operation(specifiedSet);

There are three main operations that we'll be working with in the rest of this section:

  • UnionWith adds the elements of the current and specified sets together.
  • IntersectWith stores only the elements that are in both the current and specified sets.
  • ExceptWith subtracts the elements of the specified set from the current set...