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Unreal Engine 4 AI Programming Essentials


Author: Peter L. Newton

Publisher: Packt Publishing


Publish Date: March 18, 2016

ISBN-10: 1784393126

Pages: 188

File Type: Epub, Mobi, Pdf

Language: English

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Book Preface

Artificial Intelligence (AI) is an essential part of any game. It makes the virtual world we create more immersive and fun to play in. Game AI is different from the general scientific AI that we know; it is more targeted to solve key problems in game design, including navigation, which is how a nonplayer character (NPC) should move from one point to another and avoid obstacles; decision making, which is how to perform certain actions based on different situations; and environment sensing, which is the ability to understand what exists in the environment and what its status is. These techniques make it possible to create a dynamic and realistic gameplay so that the players will be more engaged in the world that is created for them.

Game AI is complicated and brings a lot of challenges if you want to develop on your own. Unreal Engine 4 is a powerful game engine that provides rich functionalities to create cross-platform 3D and 2D games. It is well known for its advanced graphics and highly customizable components. Now, it is free to use and open source, which makes it one of the most popular game engines out there. Unreal Engine 4 comes with a complete suite of tools for game AI, including NavMesh, Behavior Trees, and Environment Query System. With these tools in hand, it is much easier to bring AI to your games. For game designers, you can even use a visual scripting tool called Blueprints to build your game logic, including AI, by just connecting nodes and without even writing a single line of code.

This book is our effort to introduce these wonderful tools in Unreal Engine 4 to build game AI to game creators who are interested in making their virtual world more interesting. It will cover all the components we have mentioned and show you how to use each tool to build different character behaviors and combine them to create more complex scenes.

We can’t wait to see what you will create!

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