In this chapter, we learned about the applications of probability in the game AI design. We experimented with some of the techniques by implementing them in Unity3D. As a bonus, we also learnt about the basics of how a slot machine works, and implemented a simple slot machine game using Unity3D. Probability in game AI is about making the game and characters seem more realistic by adding some uncertainty, so that the players cannot predict something for sure. One of the common usages and definitions of probability is to measure the possibility of a desired event to occur out of all the other possible events. A good reference to further study the advanced techniques on probability in game AI, such as decision making under uncertainty using Bayesian techniques, would be the AI for Game Developers David M. Bourg, Glenn Seeman, O'Reilly. In the next chapter, we will take a look at implementing sensors, and how they can be used to make our AI aware of its surroundings.
Unity 4.x Game AI Programming
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Unity 4.x Game AI Programming
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Overview of this book
<p>This book fills the gap between artificial intelligence (AI) books designed to learn underlying AI algorithms and general Unity3D books written to cover basic scene setup and scripting in Unity3D. Game AI Scripting in Unity3D covers implementing AI techniques such as flocking, pathfinding, path following, and behavior trees in Unity3D with example projects.<br /><br />Game AI Scripting in Unity3D will show you how to apply AI techniques to your Unity3D projects using C# as the scripting language. Unlike other AI books and Unity3D books, this book tries to focus more on the application of AI techniques in the Unity3D engine, with sample projects that demonstrate finite state machines (FSMs), pathfinding, steering, navigation graphs, and behavior trees techniques. <br /><br />This book shows how to implement various AI techniques in Unity3D by implementing the algorithm from scratch using C#, applying Unity3D built-in features, or using available scripts and plugins from the Unity Asset Store. For example, we’ll be implementing our own A* algorithm to do pathfinding but will also explore the Unity3D navigation graphs feature. Then we’ll use the Behave plugin to construct behavior trees for intelligent AI character behaviors.<br /><br />Game AI Scripting in Unity3d covers other AI techniques such as flocking behavior, building a sensory system for taking inputs from the environment and other AI agents, and so on. In the final chapter this book will show you how to build a racing game AI project using Unity3D and applying the techniques described in earlier chapters.</p>
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Unity 4.x Game AI Programming
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Table of Contents (17 chapters)
Unity 4.x Game AI Programming
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
Introduction to AI
Finite State Machines
Random and Probability
Implementing Sensors
Path Following and Steering Behaviors
A* Pathfinding
Navigation Mesh
Behavior Trees
Putting It All Together
Index
Customer Reviews