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Game Development Patterns with Unity 2021

You're reading from   Game Development Patterns with Unity 2021 Explore practical game development using software design patterns and best practices in Unity and C#

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Product type Paperback
Published in Jul 2021
Publisher Packt
ISBN-13 9781800200814
Length 246 pages
Edition 2nd Edition
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Author (1):
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David Baron David Baron
Author Profile Icon David Baron
David Baron
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Table of Contents (22) Chapters Close

Preface 1. Sections 1: Fundamentals
2. Before We Begin FREE CHAPTER 3. The Game Design Document 4. A Short Primer to Programming in Unity 5. Section 2: Core Patterns
6. Implementing a Game Manager with the Singleton 7. Managing Character States with the State Pattern 8. Managing Game Events with the Event Bus 9. Implement a Replay System with the Command Pattern 10. Optimizing with the Object Pool Pattern 11. Decoupling Components with the Observer Pattern 12. Implementing Power-Ups with the Visitor Pattern 13. Implementing a Drone with the Strategy Pattern 14. Using the Decorator to Implement a Weapon System 15. Implementing a Level Editor with Spatial Partition 16. Section 3: Alternative Patterns
17. Adapting Systems with an Adapter 18. Concealing Complexity with a Facade Pattern 19. Managing Dependencies with the Service Locator Pattern 20. About Packt 21. Other Books You May Enjoy

Designing an enemy drone

The enemy drones in our game are not very smart; there is no artificial intelligence running behind the scene. These are robots with robotic behaviors, and it's common in video games to have enemies with predictable automated behaviors running in a loop. For instance, the Goombas in the original Super Mario Bros just walk in one direction; they are not aware of the presence of Mario or react to him. They are simply running an algorithm to make them wander in a path until they collide with an obstacle. Alone, they are not a threat, but if they are put in a formation or positioned at a point in the map in which navigation is difficult, they can become challenging to avoid.

We will be using the same approach for our enemy drones. Individually, they are easy to defeat because they can't change their behaviors based on the player's movements, but in a squad, they can be challenging to avoid. 

Our drone has three distinct attack maneuvers; each revolves...

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