Reset Pitch?
Is there an easy way to reset the pitch to 0? I do not completely trust that my tracker is coplanar with my hmd lenses, and would like to be able to define what the user feels is "level".
I have tried using preEuler but I have to apply it a few times and it doesn't always seem right. The link.reset() doesn't have a flag to transform specific Euler values, does it?
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