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# Quaternion Math and Projection

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3 replies to this topic

### #1ashiswin  Members

Posted 14 December 2012 - 09:04 PM

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

### #2TheChubu  Members

Posted 14 December 2012 - 11:09 PM

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, 14 December 2012 - 11:12 PM.

"I AM ZE EMPRAH OPENGL 3.3 THE CORE, I DEMAND FROM THEE ZE SHADERZ AND MATRIXEZ"

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### #3deftware  Prime Members

Posted 15 December 2012 - 06:04 AM

http://www.cprogramming.com/tutorial/3d/theBasics.html

This is one of the simpler explanations of rotations and quaternions I have stumbled across.

### #4emin  Members

Posted 15 December 2012 - 08:15 AM

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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