raytracing from the groundup

"Ray Tracing from the Ground Up" is a book written by Kevin Suffern that provides a comprehensive introduction to the principles and practices of ray tracing. The book covers topics such as ray-surface intersection, shading, shadows, reflections, refractions, and global illumination, and provides practical advice on implementing these techniques in software.

The book is designed to be accessible to both beginners and experienced programmers, and includes numerous examples and exercises to help readers develop their skills. It also includes code samples in C++ and Java, as well as a complete ray tracing engine implemented in C++.

Overall, "Ray Tracing from the Ground Up" is an excellent resource for anyone interested in learning about ray tracing, whether as a hobbyist or a professional in the field of computer graphics.