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Unreal Development Kit Game Design Cookbook

You're reading from   Unreal Development Kit Game Design Cookbook Over 100 recipes to accelerate the process of learning game design with UDK book and ebook.

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Product type Paperback
Published in Feb 2012
Publisher Packt
ISBN-13 9781849691802
Length 544 pages
Edition 1st Edition
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Author (1):
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Thomas Mooney Thomas Mooney
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Thomas Mooney
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Table of Contents (17) Chapters Close

Unreal Development Kit Game Design Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Heads Up—UDK Interface Essentials 2. Notes From an Unreal World—Constructing Game World Elements FREE CHAPTER 3. It Lives!—Character Setup and Animation 4. Got Your Wires Crossed?—Visual Scripting of Gameplay in Kismet 5. It Is Your Destiny!—Scripting Complex Gameplay Flow in Kismet 6. Under The Hood—Configuration and Handy Tweaks for UDK 7. Hi, I'm Eye Candy!—Ways to Create and Use Particle Effects 8. Then There Was Light!—Manipulating Level Light and Shadows 9. The Devil Is In The Details!—Making the Most of Materials 10. The Way Of The Flash UI—Scaleform, CLIK, and Flash Interfaces Index

How to use a single bone control chain to correct an offset crouch animation


In a crouch, the b_Root bone has to move down towards the ground. In UDK all the character animations are stored in the AnimSet and in this is a property called AnimSet | Anim Rotation Only that forces UDK to read off only rotations from the b_Root bone; this is helpful where you will create cyclic character moves but not so good if you want to create a crouch, where the feet are local to the ground, and the b_Root drops down in the Z axis.

In the AnimTree we can fix this by adding a single bone controller to b_Root called from the character rig. The controller also has a Node Name so we can access it in code.

Getting ready

In this example we'll create an empty AnimTree asset, and start from there. For ease of use later, in the Content Browser filters click All Types and right-click on the Animation Trees filter and choose Add to Favorites. This will allow you to easily locate your AnimTree asset as we go. Remember...

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