You're reading from Creating an RTS Game in Unity 2023 A comprehensive guide to creating your own strategy game from scratch using C#

Product type Paperback

Published in Oct 2023

Publisher Packt

ISBN-13 9781804613245

Length 548 pages

Edition 1st Edition

Languages

Tools

Unity

Concepts

3D Game Development

Author (1):

Bruno Cicanci

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Table of Contents (23) Chapters

Preface

1. Part 1: Foundations of RTS Games

2. Chapter 1: Introducing Real-Time Strategy Games FREE CHAPTER

3. Chapter 2: Setting Up Unity and the Dragoncraft Project

4. Chapter 3: Getting Started with Our Level Design

5. Chapter 4: Creating the User Interface and HUD

6. Part 2: The Combat Units

7. Chapter 5: Spawning an Army of Units

8. Chapter 6: Commanding an Army of Units

9. Chapter 7: Attacking and Defending Units

10. Chapter 8: Implementing the Pathfinder

11. Part 3: The Battlefield

12. Chapter 9: Adding Enemies

13. Chapter 10: Creating an AI to Attack the Player

14. Chapter 11: Adding Enemies to the Map

15. Part 4: The Gameplay

16. Chapter 12: Balancing the Game’s Difficulty

17. Chapter 13: Producing and Gathering Resources

18. Chapter 14: Crafting Buildings and Defense Towers

19. Chapter 15: Tracking Progression and Objectives

20. Chapter 16: Exporting and Expanding Your Game

21. Index

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Implementing the Pathfinder

One of the coolest features of an RTS game is that the selected units always find the best path to reach their destination, avoiding rocks, trees, buildings, and everything else on their way. There is an AI algorithm behind this feature, called a pathfinder, and it has a few different implementations. In this chapter, we will take a look at the most used algorithms and will focus on the Navigation Mesh (NavMesh).

We will implement the NavMesh on Unity by using the AI Navigation package, setting up our units as agents and the level items as obstacles, and letting the NavMesh find the best path and move the selected units to the destination, avoiding or moving around the obstacles. We are also going to learn how to use the visual debugging tool from the AI Navigation package to see in real time how the NavMesh finds the best path for the agents.

By the end of this chapter, you will learn what a pathfinder algorithm is and the difference between the most...