quaternions - How to apply the same rotation between two vectors on world space. - Mathematics Stack Exchange
Maths - angle between vectors - Martin Baker
Conversion between quaternions and Euler angles - Wikipedia
Euler angles - Wikipedia
Creating quaternion from direction and up vectors for rotation matrix - Math and Physics - GameDev.net
Hamilton's quaternions and 3D rotation with Python – Meccanismo Complesso
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Quaternions
Euler's rotation theorem - Wikipedia
3DRotations
Quaternion - Wikipedia
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3DRotations
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Rotation to align between two vectors but with preserved Camera Z axis - Unity Answers
Resolved - Quaternion.LookDirection with parent rotated - Unity Forum
Maths - lookAt function - Martin Baker
mo cap - How to get rotation(Euler angle) between two 3D vectors? (to make bvh format) - Stack Overflow
Concise description of why rotation quaternions use half the angle - Mathematics Stack Exchange
Add Quaternion Matrices and quaternion rates matrices · Issue #113 · moble/ quaternion · GitHub
