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Sounds like you are working with step motors which will take a rotation along a fixed axis. Not an answer to your question but an alternative I have used successfully: Work with spherical coordinates (pitch and yaw) to match your two motors on the x and y axis? Keep your direction heading as a vector (pointing in the direction you are gazing). BTW, a ...


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I've managed to fix the pitch-freakout issue, but at this point this is pretty much 'Programming by Coincidence', as I don't understand the math well enough to know -why- my changes fix the problem. First, I get the quaternion's inverse before turning it into a view matrix. Now intuitively I'd guess this has to do with the difference between 'rotating the ...



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