Jamis Buck - The Ray Tracer Challenge
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- Book:The Ray Tracer Challenge
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- Publisher:O′Reilly
(first published December 11th 2018) - Genre:
- Year:2019
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About this Title
The renderer is a ray tracer, which means it simulates the physics of light by tracing the path of light rays around your scene. Each exciting chapter presents a bite-sized piece of the puzzle, building on earlier chapters and setting the stage for later ones. Requirements are given language-agnostically; its up to you to translate them into tests and code using whatever language you prefer. When the project is complete, youll look back and realize youve built an entire system test-first!
Theres no research necessaryall the necessary formulas and algorithms are presented and illustrated right here. Dive into intriguing topics from fundamental concepts such as vectors and matrices; to the algorithms that simulate the intersection of light rays with spheres, planes, cubes, cylinders, and triangles; to geometric patterns such as checkers and rings. Lighting and shading effects, such as shadows and reflections, make your scenes come to life, and constructive solid geometry (CSG) enables you to combine your graphics primitives in simple ways to produce complex shapes.
Play and experiment as you discover the fun of writing a ray tracer. Accept the challenge today!
What You Need
Aside from a computer, operating system, and programming environment, youll need a way to display PPM image files. On Windows, programs like Photoshop will work, or free programs like IrfanView. On Mac, no special software is needed, as Preview can open PPM files.
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Following in the footsteps of his book, Mazes for Programmers , Buck once again takes a challenging concept, presents it in an easy-to-understand format, and reminds us that programming can be both fun and rewarding.
| Dr. Sebastian Raaphorst |
| Gemini Observatory |
This is a problem domain that Ive always wanted to get into but have struggled to find anything approachable for someone who doesnt know or isnt good at all with C or C++. This book is a godsend.
| Danielle Kefford |
| Software Engineer |
This book is devious. Little by little, a test here and a test there, youll create an incredibly sophisticated ray tracing library. Because each change is so small, your ray tracer will sneak up on you. Thats the devious part: by the end youll have built an amazingly complex piece of software, but it will never feel difficult!
| Cory Forsyth |
| Founding Partner, 201 Created, Inc. |
In The Ray Tracer Challenge Jamis Buck tames a difficult topic using an entertaining, practical approach that even the mathematically averse will enjoy. The test-driven approach challenges and rewards the reader with experiences and artifacts that remind even the grizzled software curmudgeon of the joyful moments in software development that inspired us to pursue engineering in the first place.
| Justin Ball |
| CTO, Atomic Jolt |
Creating a ray tracer is a rite of passage that I recommend all developers endeavor to complete. Jamis does a great job presenting complex topics simply and allowing the reader to focus on the most interesting parts of the project. Working through this book is almost guaranteed to bring your programming skills up a notch.
| Jason Pike |
| Director, Software Engineering, Atlas RFID Solutions |
The Ray Tracer Challenge is a delightful introduction to 3D lighting and rendering through ray tracing. Yes, there is math, but Jamis provides great examples, and the exercises illustrate concepts in a style that is way more fun than any math class I took in college!
| Matthew Margolis |
| Director, Software Engineering |
Taking the Ray Tracer Challenge was so much fun. Starting with some short tests, youll create beautifully rendered images with just a little bit of math and code.
| Justin Weiss |
| Senior Software Engineer, Aha! |
With this book, I can use what I learned at the university thirteen years ago, and its now fun! The Ray Tracer Challenge gave me back my joy for pet projects. I recommend it to everyone!
| Gbor Lszl Hajba |
| Senior IT Consultant |
One of the tricks to avoiding programmer burnout is to find a passion project. In this book, youll find exactly that: an awesome personal project that you can tackle regardless of your language background. Jamiss The Ray Tracer Challenge shows us that the best passion projects are shared.
| Kevin Gisi |
| Senior UX Engineer |
Acknowledgments
This book exists because my son wanted to learn how to write software. Id tinkered with ray tracers years ago, hacking on POV-Ray and writing my own simple renderers, so when he asked for my help, my first thought was to walk him through writing one of his own. From that experiment was born an idea, which became an outline, which became a book proposal, which became this book.
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