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CryENGINE 3 Cookbook

You're reading from   CryENGINE 3 Cookbook Over 90 recipes written by Crytek developers for creating third-generation real-time games

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Product type Paperback
Published in Jun 2011
Publisher Packt
ISBN-13 9781849691062
Length 324 pages
Edition 1st Edition
Languages
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Authors (2):
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Sean P Tracy Sean P Tracy
Author Profile Icon Sean P Tracy
Sean P Tracy
Dan Tracy Dan Tracy
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Dan Tracy
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Table of Contents (18) Chapters Close

CryENGINE 3 Cookbook
Credits
About the Authors
www.PacktPub.com
Preface
1. CryENGINE 3: Getting Started FREE CHAPTER 2. Sandbox Basics 3. Basic Level Layout 4. Environment Creation 5. Basic Artificial Intelligence 6. Asset Creation 7. Characters and Animation 8. Creating Vehicles 9. Game Logic 10. Track View and Cut-Scenes 11. Fun Physics 12. Profiling and Improving Performance Index

Forbidden boundaries


In this recipe, we will demonstrate how you may be able to prohibit an AI from crossing an invisible boundary by basic movement. Much like a child's play pen or a dog's yard, you will be building a fence in an area for your AI.

Getting ready

  • Before we begin, you must have Sandbox 3 open

  • Then open My_Level.cry

  • Place three AI Grunts roughly five meters apart in any fashion

How to do it...

  1. In the RollupBar, click on the AI button.

  2. From the Object Type, select ForbiddenBoundary.

  3. With the Follow Terrain enabled, click four points roughly in a square around the placed Grunts.

  4. Generate the AI navigation.

How it works...

The forbidden boundary is much like a fence for the cattle on a farm. The forbidden boundary deters the AI entities from crossing it with their basic movement behaviours, but they may still be able to cross it if they use attacks or other special animations that change their location at the end of the animation (for example, jumping a fence using Smart Objects). Once...

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