February 2019
Intermediate to advanced
292 pages
6h 55m
English
Content preview from The Ray Tracer ChallengeBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Putting It Together
You now have 4x4 matrices with support for multiplication, transposition, and inversion. Not bad!
Sadly, there’s not a lot related to ray tracing that you can do with those routines just yet, but you’ll take care of that little problem in the next chapter, Chapter 4, Matrix Transformations. However, there’s always room for a bit of experimentation. Before moving on, take a few minutes to explore a little more.
- What happens when you invert the identity matrix?
- What do you get when you multiply a matrix by its inverse?
- Is there any difference between the inverse of the transpose of a matrix, and the transpose of the inverse?
- Remember how multiplying the identity matrix by a tuple gives you the tuple, unchanged? Now, try changing ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.