March 2017
Intermediate to advanced
480 pages
11h 3m
English
Content preview from Game Physics Cookbook
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Scaling
The scale of a matrix is stored in the main diagonal of the matrix. The scale is stored as a vec3. Each element of the vec3 represents the scale on the corresponding axis. Row and Column major matrices store scale information in the same elements:
The interesting thing with storing scale inside a matrix is that it shares some of the same elements as the rotation part of the matrix. Because of this, extracting the scale of a matrix may not always yield the numbers you would expect.
Getting ready
We're going to implement three functions. One function will retrieve the scale stored inside a matrix. The other two will return a new matrix, containing ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.