DavidBrown-3
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DavidBrown-3 commented on issue blender/blender#110603 2023-07-29 03:15:28 +02:00
mathutils.Quaternion.slerp is non-linear

I think you are misunderstanding this. Quaternion is a 4d vector. Its linear interpolation has a projection in 3d.

SLERP is not a linear interpolation of Quaternions, it is an interpolation,…

DavidBrown-3 commented on issue blender/blender#110603 2023-07-29 03:13:22 +02:00
mathutils.Quaternion.slerp is non-linear

I'm not sure I understand. The two quaternions represent rotations, and SLERP should interpolate along a rotation along an axis with fixed velocity. Quoting the Wikipedia page on SLERP:

…

DavidBrown-3 opened issue blender/blender#110603 2023-07-29 02:56:20 +02:00
mathutils.Quaternion.slerp is non-linear