This technique has the same drawbacks that were discussed in the There's more... section of the preceding recipe, Simulating reflection with cube maps.
Like most real-time techniques, this is a simplification of the real physics of the situation. There are a number of things about the technique that could be improved to provide more realistic-looking results.
Get OpenGL 4 Shading Language Cookbook - Third Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
Get Mark Richards’s Software Architecture Patterns ebook to better understand how to design components—and how they should interact.
Dive in for free with a 10-day trial of the O’Reilly learning platform—then explore all the other resources our members count on to build skills and solve problems every day.
Start your free trial Become a member now