Game Physics 2nd Edition

by David H. Eberly (Author)

31 ratings

ISBN-13: 978-0123749031

ISBN-10: 0123749034

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Create physically realistic 3D Graphics environments with this introduction to the ideas and techniques behind the process. Author David H. Eberly includes simulations to introduce the key problems involved and then gradually reveals the mathematical and physical concepts needed to solve them. He then describes all the algorithmic foundations and uses code examples and working source code to show how they are implemented, culminating in a large collection of physical simulations. The book tackles the complex, challenging issues that other books avoid, including Lagrangian dynamics, rigid body dynamics, impulse methods, resting contact, linear complementarity problems, deformable bodies, mass-spring systems, friction, numerical solution of differential equations, numerical stability and its relationship to physical stability, and Verlet integration methods. This book even describes when real physics isn't necessary - and hacked physics will do.

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Editorial Reviews

Review

"I keep at most a dozen reference texts within easy reach of my workstation computer. This book will replace two of them."--Ian Ashdown, President, byHeart Consultants Limited

About the Author

Dave Eberly is the president of Geometric Tools, Inc. (www.geometrictools.com), a company that specializes in software development for computer graphics, image analysis, and numerical methods. Previously, he was the director of engineering at Numerical Design Ltd. (NDL), the company responsible for the real-time 3D game engine, NetImmerse. He also worked for NDL on Gamebryo, which was the next-generation engine after NetImmerse. His background includes a BA degree in mathematics from Bloomsburg University, MS and PhD degrees in mathematics from the University of Colorado at Boulder, and MS and PhD degrees in computer science from the University of North Carolina at ChapelHill. He is the author of 3D Game Engine Design, 2nd Edition (2006), 3D Game Engine Architecture (2005), Game Physics (2004), and coauthor with Philip Schneider of Geometric Tools for Computer Graphics (2003), all published by Morgan Kaufmann. As a mathematician, Dave did research in the mathematics of combustion, signal and image processing, and length-biased distributions in statistics. He was an associate professor at the University of Texas at San Antonio with an adjunct appointment in radiology at the U.T. Health Science Center at San Antonio. In 1991, he gave up his tenured position to re-train in computer science at the University of North Carolina. After graduating in 1994, he remained for one year as a research associate professor in computer science with a joint appointment in the Department of Neurosurgery, working in medical image analysis. His next stop was the SAS Institute, working for a year on SAS/Insight, a statistical graphics package. Finally, deciding that computer graphics and geometry were his real calling, Dave went to work for NDL (which is now Emergent Game Technologies), then to Magic Software, Inc., which later became Geometric Tools, Inc. Dave's participation in the newsgroup comp.graphics.algorit

Product details

Publisher ‏ : ‎ CRC Press; 2nd edition (April 5, 2010)
Language ‏ : ‎ English
Hardcover ‏ : ‎ 902 pages
ISBN-10 ‏ : ‎ 0123749034
ISBN-13 ‏ : ‎ 978-0123749031
Item Weight ‏ : ‎ 4.02 pounds
Dimensions ‏ : ‎ 7.75 x 1.75 x 9.75 inches

Best Sellers Rank: #321,474 in Books (See Top 100 in Books)
- #158 in Digital Art
- #160 in Game Programming
- #193 in Computer Graphics

Customer Reviews:
31 ratings

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David H. Eberly

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I maintain the Geometric Tools website (https://www.geometrictools.com) providing freely downloadable source code, much of it motivated by my time spent in the 3D video game industry working on game engines and games. Some source code is based on algorithms I have worked on for contracting, and other portions are based on requests from users themselves. I consider my active field to be Computational Mathematics, because I like mathematics and I like computing. The algorithms and ideas are not new, but I have focused on robustness for computing mathematics when using floating-point arithmetic.

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Maxwell

Really deep dive

Reviewed in the United States on January 7, 2020

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This gives you all the math you'd ever need for a physics engine. It is not light and not for a beginner. This is great for someone who is looking for more insight into an existing physics engine, or one that they are building out. It is not a step by step guide on how to implement a physics engine. It is a great reference for the more rigorous side of things.

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Eli

Not for the Faint of Heart

Reviewed in the United States on April 29, 2014

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As many others reviewers have noted, this book requires a high level of mathematical maturity. I would recommend at LEAST 3 semesters of calculus and a solid understanding of linear algebra before you even let reading this book cross your mind. The beginning just introduces you to the core concepts; but the real meat of the book in my opinion in chapters 3-6. These will teach you high level physics programming concepts that will allow you to create parts of a game engine. Note that this book does not take you through creating a game engine from scratch (Millington's book does that very well); but it will give you the core mathematical foundation to create a high level game engine (higher than Millington's book will) if you are able to understand the concepts. I also don't want to de-emphasize the code part; the author provides source code for the mathematical concepts that he teaches (he does this in the alter chapters). I would highly recommend this book to anyone that wants to use advanced game engine concepts such as deformation and numerical methods to solve differential equations of motion.

2 people found this helpful

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Luke

Lots of math, but not very cohesive

Reviewed in the United States on March 15, 2014

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On the positive side, this book does not shy from the math behind rigid body physics -- and more, such as fluid dynamics. The book covers most all the math that you could need for implementing a physics engine, beyond what some other comparable books give. (On the other hand, if you already have done calculus-based physics, a lot of this book will feel redundant.)

The main drawback with this book is that it doesn't really give you a holistic physics engine. While it covers various topics involved in a physics engine, it never really puts them together into a complete engine. You'll learn to solve some interesting toy problems, but the trade-offs and implementation details that go into a complete game physics engine lack much discussion.

This book has some value as a math reference to game physics programmers, but I think you could look elsewhere if you're trying to learn how to build an engine.

5 people found this helpful

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Paul Bonyak

Probably the only physics must have for game programmers

Reviewed in the United States on February 13, 2014

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You should be up on your calculus for this book as other reviewers indicated but there are sections which present linear algebra adequately and approximate solution methods to ordinary differential equations like Euler and Runge-Kutta methods are also presented-really topics that aren't sufficiently done in calculus courses-a plus. But this book really shines in its treatment of mechanics and in particular constraints. Having been through Goldstein and Arnold I thought I knew D'Alembert's principle but understanding seemed to slip away when it came time to express constraints in a differential geometric setting-had to relearn every time like in those politically incorrect jokes. His presentation though seemingly elementary compared to those others makes its application here natural and almost self evident. For a fellow who's modest(very much so) about his academics he's outdone some big shots here. Regarding constraints he discusses the problem of keeping an object on a table still so it doesn't penetrate the table-didn't know that was a problem but apparently for the code of your graphics it is-it's related to collision detection. Top notch book that could even be used to introduce physics students to computer graphics.

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Giuseppe Maggiore

Excellent, in-depth discussion of modern game physics

Reviewed in the United States on August 29, 2013

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This book is a Bible of game physics. It contains everything you may need and often more. It is essentially self contained, that is even quaternions and LCP solvers are discussed at the end.

As a reader, you are accompanied through every step of the process. No magic, no hand-waving, no "it's easy but we don't show it here" trick is ever pulled.

Of course, the book is as hard as the subject. Don't expect to read, expect to study. The weight of this book is approximately equivalent to 8 to 12 university credits. Of course you will not read all of it, but don't expect anything less than 4 credits worth of studying to get something meaningful out of it.

There is only one shortcoming that is only relevant to the second edition: there is now too much material. Collision detection with shapes waters down Chapter 6 way too much. What was (and is) the central chapter of the book is now way too hard to read for a beginner. I would restructure Chapter 6 to contain only one of GJK/SAT and LCP/Impulse, and move the collision shapes and the rest to a separate chapter or even appendix.

2 people found this helpful

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Reza Nourai

Good solid book

Reviewed in the United States on September 25, 2010

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Put your math-hat on, because this book is pretty dense mathematically. However, that's not a drawback of the book, as you need it for understanding the physics discussed. The book does a pretty good job of not going too far off the deep end with theory and keeps with the topics.

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Mike Riches

Five Stars

Reviewed in the United States on January 22, 2016

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Excellent book, that is of great utility for the student or the professional (or both).

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Amazon Customer

Great Buy!

Reviewed in the United States on September 6, 2013

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The book contains so much information. As an engineer, I was surprised to see how much "real" physics there was in the book. The author proves that he knows what he's talking about. It's not light reading, but it's an excellent desk reference and guide.

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Top reviews from other countries

Carlos De Abreu

Useful book for academic purposes

Reviewed in the United Kingdom on December 3, 2015

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This book is fantastic for learning about the inner workings of physics engines & how to write your own physics code. Would recommend to any programmers or students wishing to have a complete guide on physics in games.

3D developer

Would by 10 of

Reviewed in the United Kingdom on June 6, 2016

Verified Purchase

It's a fantastic book. So thorough and yet always on topic.

Phil

Four Stars

Reviewed in the United Kingdom on December 13, 2014

Verified Purchase

good summmary

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Game Physics 2nd Edition

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David H. Eberly

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