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Game Physics Engine Development: How to Build a Robust Commercial-Grade Physics Engine for your Game (Anglais) Broché – 9 septembre 2010

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Descriptions du produit

Revue de presse

Praise for 1st edition:

"The first game physics book to emphasize building an actual engine...his book fills a gap by demonstrating how you actually build a physics engine." - Dave Eberly, President, Geometric Tools.

"A competent programmer with sufficient mathematical sophistication could build a physics engine just from the text and equations--even without the accompanying source code.  You can't say this about a lot of books!" - Philip J. Schneider, Industrial Light & Magic.

Présentation de l'éditeur

Physics is really important to game programmers who need to know how to add physical realism to their games. They need to take into account the laws of physics when creating a simulation or game engine, particularly in 3D computer graphics, for the purpose of making the effects appear more real to the observer or player.The game engine needs to recognize the physical properties of objects that artists create, and combine them with realistic motion.

The physics ENGINE is a computer program that you work into your game that simulates Newtonian physics and predict effects under different conditions. In video games, the physics engine uses real-time physics to improve realism.

This is the only book in its category to take readers through the process of building a complete game-ready physics engine from scratch. The Cyclone game engine featured in the book was written specifically for this book and has been utilized in iPhone application development and Adobe Flash projects.  There is a good deal of master-class level information available, but almost nothing in any format that teaches the basics in a practical way. The second edition includes NEW and/or revised material on collision detection, 2D physics, casual game physics for Flash games, more references, a glossary, and end-of-chapter exercises. The companion website will include the full source code of the Cyclone physics engine, along with example applications that show the physics system in operation. 

--A truly accessible text that allows even novice programmers to create powerful physics engines for their games.

--Covers particle effects, flight simulation, car pysics, crates, destructible objects, cloth and ragdolls, and more.

--Supports each new concept with diagrams, code, end-of-chapter exercises and resources.

--This edition includes completely NEW material on: collision detection, 2D physics, casual game physics for Flash games.

--Powerful associated website offering: the full source code of the Cyclone physics engine, along with example applications that show the physics system in operation. The Cyclone engine has been used in commercial game development.

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Par Tuco le 27 février 2012
Format: Broché
Ce livre a l'ambitieuse vocation de présenter la mise en place d'un moteur physique niveau professionnel... Il est donc assez complet.
Les explications sont assez claires, je reproche tout de même l'insertion de morceaux de codes ici et là. En effet, de nombreux passages sont illustrés en C++, pas franchement utile car ce qui intéresse ici c'est plus la théorie et les formules mises en place. De plus, vu le public visé, je ne pense pas que le lecteur ne soit pas déjà familier avec un langage informatique.
Concernant le niveau mathématique, bien qu'il soit mentionné dans le livre s'adresse à ceux qui n'ont pas beaucoup de connaissances mathématiques, un niveau correct (niveau FAC) est exigé pour quand même manipuler les différentes formules. Mais l'ensemble reste à un niveau acceptable.
La présentation est très agréable (en noir et blanc). Le livre est en anglais, très compréhensible et accessible pour un non grand shakespearien.

Je recommande ce livre pour se lancer dans la programmation de jeux ou juste pour sa culture personnelle.
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Commentaires client les plus utiles sur Amazon.com (beta)

Amazon.com: HASH(0x8f1f4030) étoiles sur 5 18 commentaires
18 internautes sur 19 ont trouvé ce commentaire utile 
HASH(0x8f20abac) étoiles sur 5 A book to get you a real, working physics engine. 14 avril 2011
Par Daniel Greenheck - Publié sur Amazon.com
Format: Broché Achat vérifié
Let's first say that I've seen my fair share of physics literature. I've pored over papers, tutorials, etc. with little to show beyond some simple collisions between spheres. What I really wanted to implement was something ideally "not" much more difficult: a rigid body simulation with simple primitives (spheres, boxes, planes) that collide and interact with each other, giving a realistic enough feel to build a game around.

Unfortunately, even this idea is extremely complex and difficult to implement. You would think the math and code would be fairly easy, and it actually is (depending on your math background. A few semesters of college calculus and physics is very helpful, but not required). But programming a physics engine is 40% math and physics and 60% being clever enough to get the computer to do what you want. Floating point errors, inaccuracies in integration and bugs you can't even imagine from the start all mess with your beautiful equations.

And this is where the author, Ian Millington, saves the day with this great book. All throughout, he lays down the challenges of building a physics engine and gives you realistic solutions that are explained very well. You build from the ground up: from a simple particle engine, to a mass aggregate physics engine, all the way to a full blown physics engine. Each chapter he describes what algorithms you need to implement and variations on those algorithms, providing pros and cons for each. I cannot TELL you how fantastic it feels to have an author tell you in an honest tone: here's where this works, here's where it doesn't. Never at any time do you feel that things are being hid behind a curtain of intellect and egomania. And if the author does hide any details, he tells you and with good reason.

In the end, if you plow through all 20 chapters with diligence and fortitude, you're going to end up with a working physics engine. It will be a physics engine capable of a lot of very cool things, but it isn't a finished product. And the author makes it very clear throughout the book that you will not end up with a spit polished physics engine to compete with the likes of Havok. It will be rough on the edges with plenty of room for improvement, but it gets the job done. The author helps you create a working model and leaves you with many options on how to improvement. However, those options require much more advanced coding.

This book provided me with exactly what I was looking for: the know-how and experience to create a physics engine for the everyday game designer. I highly recommend it. If you want to create something commercial, this is a great start, but you're going to have to buy some heavier books on top of this one if you want a very robust, optimized engine.
4 internautes sur 4 ont trouvé ce commentaire utile 
HASH(0x8f20adf8) étoiles sur 5 Great book to get a basic physics engine off the ground 3 octobre 2012
Par Amazon Customer - Publié sur Amazon.com
Format: Broché Achat vérifié
Overall a great book that enabled me to easily understand the basics of getting a physics engine off the ground. Obviously the physics engine you end up with will be no Source or CryEngine, but it will be enough to produce an indie game. One thing I love about this author is he focuses on code rather than math. This book isn't a college course in physics, it's all about applying the most important laws of physics for simulations in games and it's all about code. Overall, I was satisfied with the physics engine I got out of it. The one thing I will say to potential buyers is that this is NOT the only book you will need if you want to make a physics engine. You will also need a book on collision detection, bounding volume construction, and spacial partitioning algorithms. This book gives a brief overview, but it only touches the surface. I would recommend "Real Time collision detection" by Ericson and "Mathematics for 3D game programming" by Lengyel as supplemental references.
1 internautes sur 1 ont trouvé ce commentaire utile 
HASH(0x8f20adbc) étoiles sur 5 Clear & Practical, Looks Great On Kindle Tablets, Highly Recommended. 27 juin 2014
Par A. M. Hernandez - Publié sur Amazon.com
Format: Format Kindle Achat vérifié
In this review, I will discuss my experience with Game Physics Engine Development: How to Build a Robust Commercial-Grade Physics Engine for your Game by Ian Millington. This is actually the first book I’ve ever read solely on game physics and I think I made the right choice here. Although I have developed several physics engines previously, they were only in 2D and the extra dimension complicates matters significantly. Game Physics Engine Development is a book specifically about 3D game physics, though the author does make a short reference to 2D physics at the end. I felt like the book had just enough math to explain the concepts, without getting bogged down in technical minutia. I also enjoyed the friendly writing style, the approachable implementations, and a rational coding standard.

Ian Millington’s book covers a lot of ground, and each chapter builds up a single aspect of the engine. Many chapters could stand alone in one aspect or another, though they do come together at the end. Some of the topics covered include: basic 3D math (vectors, matrices, quaternions), laws of motion, particles, rigid bodies, mass aggregate physics, springs, collision, contact resolution, velocity and acceleration, torque, friction, broad-phase collision detection, bounding volumes, and more. While the book is “only” 552 pages, there are a ton of things packed into those pages. I found the coverage to be fairly in-depth, without getting lost of mathematical proofs or anything like that. The book is very practical in that way, and a lot of the code samples could easily be the basis of a real implementation.

Overall I enjoyed the book at lot, and breezed through it within a week, eagerly anticipating each new chapter. Being the only physics book I’ve read so far, I don’t feel 100% confidant creating a physics engine myself just yet. However, I do feel it has explained a lot of key concepts necessary in physics development. The book was everything I was hoping for, and gets my recommendation.
8 internautes sur 11 ont trouvé ce commentaire utile 
HASH(0x8f20c0cc) étoiles sur 5 Clear, practical and up-to-date 26 août 2010
Par Spencer Grey - Publié sur Amazon.com
Format: Broché
I will keep this review short and sweet.

I have been programming games of one sort or another for 25+ years. On my shelf are 10 books on game physics and a foot-high stack of magazine articles. This book is the best, most clear, practical treatment I have ever come across. It makes the mathematics and concepts digestible, and examines and weighs the trade-offs that go into any engine. The sample code is simple and ready for implementation in languages besides C++.

The author clearly discusses issues around implementing a physics engine on everything from a console system to mobile devices.

A fine resource for medium to advanced programmers.
1 internautes sur 1 ont trouvé ce commentaire utile 
HASH(0x8f20c5d0) étoiles sur 5 The Application Side of Game Physics 22 avril 2014
Par Eli - Publié sur Amazon.com
Format: Broché Achat vérifié
This book is the complement to the Eberly's book Game Physics. This will take you through the basics of creating a game engine from the bottom to the top. It predominately focuses on the code aspects of creating a game engine; however, there is a very gentle walkthrough of mathematical concepts necessary to create the code. The material presented is not terse at all; but does require some level of mathematical maturity (some calculus and linear algebra would be helpful; but the author assumes basic algebra and trig). Wikipedia will be your friend if you don't understand the concepts. Overall, the book will leave you with a working physics engine that you can use for future development.
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