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)

Time for action – capturing trigger events

To capture trigger events, you'll need to create a new script by following these steps:

  1. Create a new C# script in the Scripts folder, name it EnemyBehavior, and then drag it into Enemy.
  1. Add the following code and save the file:
 public class EnemyBehavior : MonoBehaviour 
{
// 1
void OnTriggerEnter(Collider other)
{
//2
if(other.name == "Player")
{
Debug.Log("Player detected - attack!");
}
}

// 3
void OnTriggerExit(Collider other)
{
// 4
if(other.name == "Player")
{
Debug.Log("Player out of range, resume patrol");
}
}
}
  1. Click on Play and walk over to the Enemy to set off the first notification:
    • Walk away from the Enemy to set off the second notification.

Here's a breakdown of the preceding code:

  1. OnTriggerEnter() is fired whenever an object enters...