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30 Jan 2013, 18:45
Kevin Brothaler (41 posts)

Hi there, and welcome to the forums for OpenGL ES for Android! I’m looking forward to your feedback, and please let me know if you have any questions or run into any issues.

Thanks again for checking out the book, I really appreciate it. :)

28 Feb 2013, 11:57
Cristhian Recalde (1 post)

Helo Kevin… I’m reading the book and learning and enjoyning!, I just have a question … Defining Orthographic Projection - Page 97, shouldn’t the figure 27 be left handed coordinate system ? , i’m reading the beta3

02 Mar 2013, 22:47
Kevin Brothaler (41 posts)

For figure 27, it’s intended that +Z appears as if it’s pointing toward you; this page has a good overview:

It’s definitely possible to visualize Z pointing the other way in those figures, now that I look at them again. Was something like that happening to you? Let me know if I could make these figures clearer.


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