Book Image

Unreal Development Kit Beginner's Guide

By : Richard Moore
Book Image

Unreal Development Kit Beginner's Guide

By: Richard Moore

Overview of this book

Unreal Development Kit (UDK) is the free version of the award-winning Unreal Engine 3. It is used to create a wide variety of games ranging from amateur to professional standard next generation AAA titles. This book will show you exactly how to create an enjoyable and immersive game environment using the UDK. You will learn how to implement, level design, lighting, environmental effects, movement, terrain, map creation, item placement, kismet, materials and complex event sequences. You will work through the level design process from navigating round the editor to learning how to develop a fully playable environment. You will quickly master all of the engine’s key tools that are accessible through Unreal Engine 3. You will then start putting together your first level using step-by-step instructions. Next we will implement real world features such as dynamic lighting and shadows, particle effects, physics, terrain, item placement and advanced AI/bot pathing. Finally you will learn how to use UDK’s cutting edge high level scripting. By the end of this book you will be equipped with the skills to create an entertaining and imaginative game world.
Table of Contents (17 chapters)
Unreal Development Kit 3
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Pop Quiz Answers
Index

Time for action – adjusting lightmaps on CSG surfaces


  1. Go back into Lit mode and select the wall that has the blurry shadow on it. Open up the Surface Properties window by going to View | Surface Properties or by hitting F5.

  2. We've covered most of these settings in an earlier tutorial, but let's look at the Lighting section, specifically the Lightmap Resolution parameter.

  3. A setting of 32.0 means that there'll be one lightmap pixel every 32 units. If we want more detail (and we do!), we can make that number smaller. Set it to 4 and bake again. You'll notice that the bake takes much longer, but you've got a much more obvious shadow from the fire hydrant. If you try setting the resolution to 1, it may take over a minute to bake, but the results look even better.

  4. Go back to the generic browser and find your map. You'll notice that some new lightmap textures have been created (and the old ones may still be hanging around too—UDK will clean those up later). If you look closely at your lightmap, you...