iPhone GLGravity example using quaternions

Posted by Alexander Botov on Stack Overflow See other posts from Stack Overflow or by Alexander Botov
Published on 2010-03-21T18:04:23Z Indexed on 2010/03/21 18:11 UTC
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Hello, GLGravity iPhone example showing how to use accelerometer and OpenGL suffers from Gimbal Lock problem. I'm wondering is there any code available using quaternion rotation instead of Euler angles? Any help will be greatly appreciated, I'm struggling with this from a long time without having a success ...

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