Discontinuous b-spline curve fitting
Discontinuous b-spline curve fitting
Under Character Technology (also Old Tech E-mails, Casey's Blog)

I did some interesting tricks to make my b-spline solver handle multi-order discontinuities. This lets it do stuff like correctly fit the motions of things that teleport, bounce, etc., without having to break the curve up into sections (you still get one nice big b-spline, that you can evaluate normally). I wrote up some notes on how I did it.

Text of e-mails


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