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Quaternion Math and Projection

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Hi guys, I'm rather new at OpenGL.
I was wondering if anyone knew any good tutorials that introduced quaternions for rotation in a simple to understand manner?

Also, does anyone know a tutorial on the projection and modelview transforms? Like on how the matrices work and what each element in it does?

Thanks

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http://arcsynthesis.org/gltut/

Chapter 2 deals with transformation matrices (orthogonal projection, perspective projection, translations and scaling). Though to know how matrices actually work, you'd need to read about systems of linear equations, not just OpenGL. Edited by TheChubu

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The best OpenGL tutorial I've ever seen, you'll learn so much from it if you're new to OpenGL. Take a look at it.

http://www.opengl-tutorial.org/

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