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Physics Simulation

Contacts and Constraints (Paperback)

By Kenwright

A practical deep dive into the physics, mathematics, and engineering behind stable real‑time simulations.

WHAT THE PUBLISHER HIGHLIGHTS

  • Understand how constraints and contacts are formulated and solved.
  • Learn the principles behind stable, predictable physics behavior.
  • Gain insight into collision handling and numerical robustness.

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INSIDE THE BOOK

About this book

Contacts and Constraints provides a comprehensive exploration of the systems that make real‑time physics simulation possible. Covering constraint solvers, collision response, numerical stability, contact generation, and the underlying mathematics, the book demystifies the inner workings of modern physics engines. It bridges theory and implementation, offering developers the tools and intuition needed to build reliable, predictable, and high‑performance physical interactions for games, simulations, and interactive applications.

From the publisher’s description

  • Understand how constraints and contacts are formulated and solved.
  • Learn the principles behind stable, predictable physics behavior.
  • Gain insight into collision handling and numerical robustness.
  • Develop intuition for building and debugging physics systems.

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ANOTHER PERSPECTIVE

Perspectives on the books

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Reader review4

Good, but not for absolute beginners

Well worth picking up if you already have the basics.

A colleague recommended this and I can see why. It does something that few technical books manage: it respects the reader's time. The exercises at the end of each chapter are worth doing — they caught a few misconceptions I did not know I had. The examples are small enough to type out and experiment with, which is exactly what I want from a book like this. The author avoids over-explaining, which keeps the pace up but means you need to pay attention. Four stars, and I suspect a second edition could easily push it to five.

Katie ScottMLOps engineer · Lyon, FR
Contacts and Constraints
Reader review4

Recommended, with a caveat

Recommended, with the caveat that it is not a gentle introduction.

I picked this up after getting stuck on a project and it turned out to be exactly the right book at the right time. The progression from chapter to chapter is well thought out; nothing feels out of order. The book rewards careful reading. Skimming it would be a mistake. A good addition to a technical library, as long as you know what you are buying.

Fatima MorganGame developer · Berlin, DE
Contacts and Constraints
Reader review5

A genuine pleasure to read

Better than I expected. Rare to find a technical book this well judged.

This is the third book I have read on physics simulation this year, and it is comfortably the best of them. There is a section near the end that ties several earlier ideas together in a way I had not seen before. The code samples assume a particular environment, which took a bit of fiddling to get running properly. The book rewards careful reading. Skimming it would be a mistake. An easy five stars from me. I look forward to whatever the author writes next.

Ben SmithFrontend developer · Milan, IT
Contacts and Constraints

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