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This package was useful for visualizing them https://github.com/neka-nat/dq3d/

Essentially, dual quaternions represent screws (or rotation and translation at once). Why are they different from matrices? They are interpolable. This is a big deal.

They are super useful for thinking about 3D developing over time.

A skeleton can be represented as a collection of dqs. Your bones are translations and your joins are rotations.




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