3D Game Textures Create Professional Game Art Using Photoshop

533 Pages·2009·51.7 MB·English

by  Luke Ahearn

3D Game Textures
This page intentionally left blank
3D Game Textures
Create Professional Game Art Using Photoshop
Luke Ahearn
Second Edition
AMSTERDAM • BOSTON • HEIDELBERG • LONDON
NEW YORK • OXFORD • PARIS • SAN DIEGO
SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO
Focal Press is an imprint of Elsevier
Focal Press is an imprint of Elsevier
30 Corporate Drive, Suite 400, Burlington, MA 01803, USA
Linacre House, Jordan Hill, Oxford OX2 8DP, UK
© 2009 Elsevier, Inc. All rights reserved.
No part of this publication may be reproduced, stored in a retrieval system, or
transmitted in any form or by any means, electronic, mechanical, photocopying,
recording, or otherwise, without the prior written permission of the publisher.
Permissions may be sought directly from Elsevier’s Science & Technology Rights
Department in Oxford, UK: phone: [phone], fax: [phone],
E-mail: [e-mail]. You may also complete your request online
via the Elsevier homepage (http://www.elsevier.com), by selecting “Support &
Contact,” then “Copyright and Permission,” and then “Obtaining Permissions.”
Recognizing the importance of preserving what has been written, Elsevier prints its
books on acid-free paper whenever possible.
Library of Congress Cataloging-in-Publication Data
Ahearn, Luke.
3D game textures : create professional game art using Photoshop / Luke Ahearn.
p. cm.
Includes index.
ISBN 978-0-240-81148-2 (pbk. : alk. paper) 1. Computer games—Programming.
2. Computer graphics. 3. Adobe Photoshop. I. Title.
QA76.76.C672A42154 2009
794.8′16693—dc22
2008055833
British Library Cataloguing-in-Publication Data
A catalogue record for this book is available from the British Library.
ISBN: 978-0-240-81148-2
For information on all Focal Press publications
visit our website at www.books.elsevier.com
09 10 11 12 13 5 4 3 2 1
Printed in China
Working together to grow
libraries in developing countries
www.elsevier.com | www.bookaid.org | www.sabre.org
Julie, Ellen, and Cooper.
This page intentionally left blank
Contents
Acknowledgments ix
Introduction xi
The Concept Artists xvii
Chapter 1 A Basic (Game) Art Education 2
Chapter 2 A Brief Orientation to Computer Graphic Technology 46
Chapter 3 Shaders and Materials 92
Chapter 4 Prepping for Texture Creation 130
Chapter 5 The Sci-Fi Setting 182
Chapter 6 The Urban Setting 212
Chapter 7 The Outdoor Setting 278
Chapter 8 Game Effects 334
Chapter 9 Normal Maps and Multi-Pass Shaders 364
This page intentionally left blank
Acknowledgments
Brian Grabinski, Mark Birge-Anderson, and Jose Vazquez—the
concept artists.
Ann Sidenblad, a great friend and one of the best digital artists I
know, for providing her invaluable feedback.
Jeffrey C. Huff, Assistant Professor of Computer Graphics at Missouri
State University, for technical editing on this version of the book.
Nick Marks, for his initial input on this book many years ago.
NVIDIA—Doug Rogers, Kevin Bjorke, Gary King, Sébastien Dominé,
Carrie Cowan, and Derek Perez, for information and help developing
the shader section.
Maggie Quale at Smith Micro Inc.
Alkis “Atlas” Roufas, for the Genetica3 demo on the desk.
Michael S. Elliott, for the use of the Tengwar-Gandalf font.
The Focal Press people, who are too numerous to name.
Specifically, I worked with Laura Lewin, Amanda Guest, Katy
Spencer, and Chris Simpson. In addition, Becky Golden-Harrell, who
was at Focal Press for the first edition of this book.