May 2014
Intermediate to advanced
306 pages
8h 8m
English
Content preview from WebGL Hotshot
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Selecting locations from a rotated texture map and perspective correction
The next challenge is clicking on a specific region of a texture map when the camera or mesh is rotated. The number of vertical and horizontal pixels will not be the same and nor will they be located in the same place. The texture coordinates will need to be precise and rotated. Using the California flag, shown in the following screenshot, the distance of the star from the left edge is smaller once the flag is rotated. In addition, the letters are equally spaced above but not when the flag is rotated.
The California state flag rotated to show how clicking on individual regions ...
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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.