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Unity Game Development Scripting

You're reading from   Unity Game Development Scripting Write efficient C# scripts to create modular key game elements that are usable for any kind of Unity project

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Product type Paperback
Published in Dec 2014
Publisher
ISBN-13 9781783553631
Length 202 pages
Edition 1st Edition
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Author (1):
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Kyle D'Aoust Kyle D'Aoust
Author Profile Icon Kyle D'Aoust
Kyle D'Aoust
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Table of Contents (12) Chapters Close

Preface 1. Interactive Input FREE CHAPTER 2. GUI Time 3. Expandable Item Classes 4. Inventory 5. Enemy and Friendly AIs 6. Keeping Score 7. Creating Save and Load Systems 8. Aural Integration 9. Game Settings 10. Putting It All Together Index

AI techniques


There are two very common techniques used to create AI: the finite state machine and the behavior tree. Depending on the game that you are making and the complexity of the AI that you want, the technique you use will vary. In this chapter, we'll utilize both the techniques in our AI script to maximize the potential of our AI.

Finite state machines

Finite state machines are one of the most common AI systems used throughout computer programming. To define the term itself, a finite state machine breaks down to a system, which controls an object that has a limited number of states to exist in. Some real-world examples of a finite state machine are traffic lights, television, and a computer. Let's look at an example of a computer finite state machine to get a better understanding.

A computer can be in various states. To keep it simple, we will list three main states. These states are On, Off, and Active. The Off state is when the computer does not have power running it, the On state...

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