Constructs a Quaternion from Euler angles. All paramers given in radians. Pitch->X axis, Yaw->Y axis, Roll->Z axis
https://www.cs.princeton.edu/~gewang/projects/darth/stuff/quat_faq.html
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Constructs a Quaternion from Euler angles. All paramers given in radians. Pitch->X axis, Yaw->Y axis, Roll->Z axis