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Per standard CG, the recommended method for smoothly interpolating between two unit QUATERNIONS is which?
ABilinear texture sampling on a sphere
BComponent-wise linear lerp always
CSLERP (Spherical Linear Interpolation)
DBezier in 4D weights only
Answer & Solution
Correct answer: C. SLERP (Spherical Linear Interpolation)
Shoemake 1985 'Animating Rotation with Quaternion Curves': SLERP gives constant angular velocity. For nearly-aligned q's, NLERP is a cheap approximation.
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