Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Hands-On Artificial Intelligence with Unreal Engine

You're reading from   Hands-On Artificial Intelligence with Unreal Engine Everything you want to know about Game AI using Blueprints or C++

Arrow left icon
Product type Paperback
Published in Apr 2019
Publisher Packt
ISBN-13 9781788835657
Length 552 pages
Edition 1st Edition
Languages
Tools
Arrow right icon
Author (1):
Arrow left icon
Francesco Sapio Francesco Sapio
Author Profile Icon Francesco Sapio
Francesco Sapio
Arrow right icon
View More author details
Toc

Table of Contents (19) Chapters Close

Preface 1. Section 1: The Unreal Framework FREE CHAPTER
2. Making the First Steps in the World of AI 3. Behavior Trees and Blackboards 4. Navigation 5. Environment Querying System 6. Agent Awareness 7. Extending Behavior Trees 8. Crowds 9. Section 2: Designing and Implementing Behavior Trees
10. Designing Behavior Trees - Part I 11. Designing Behavior Trees - Part II 12. Designing Behavior Trees - Part III 13. Section 3: Debugging Methods
14. Debugging Methods for AI - Logging 15. Debugging Methods for AI - Navigation, EQS, and Profiling 16. Debugging Methods for AI - The Gameplay Debugger 17. Going Beyond 18. Other Books You May Enjoy

Visualizing Environment Queries

As we mentioned previously, there is a simple built-in way to visualize Environment Queries within the Game World, directly from the Viewport; the game doesn't even have to be running. In fact, there is a special Pawn that it is able to do this. However, this Pawn cannot be brought directly into the level, because to ensure that it is not misused, it has been declared virtual within the code base. This means that to use it, we need to create our own Blueprint Pawn that inherits directly from this special Pawn.

Thankfully, after this step, the Pawn is fully featured, and it doesn't need any more code, just the parameters to work with (i.e. the Environmental Query you want to visualize).

To start, create a new Blueprint. The class to inherit from is EQSTestingPawn, as shown in the following screenshot:

Then, you can rename it MyEQSTestingPawn...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime