June 2013
Intermediate to advanced
346 pages
8h 42m
English
Content preview from OpenGL ES 2 for AndroidBecome 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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Working with a Virtual Coordinate Space
To adjust the coordinate space so that we can take screen orientation into account, we need to stop working directly in normalized device coordinates and start working in a virtual coordinate space. We then need to find some way of converting coordinates from our virtual space back into normalized device coordinates so that OpenGL can render them correctly. This conversion should take the screen orientation into account so that our air hockey table will look correct in both portrait and landscape modes.
What we want to do is called an orthographic projection. With an orthographic projection, everything always appears the same size, no matter how close or far away it is. To better understand what this type ...
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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.