X-direction Control of a circle on a Spline

Billio>> welcome to the forum !

Sorry to get into your (often very good) advices … but… i think that it doen’st work has expected (or i missed a point? … i have tried with several combination of the Homogeneous spllne & circle-linked param)
constant-x-speed-vertex-added.gif
constant-x-speed-vertex-added.png
constant-x-speed-vertex-added.sifz (1.44 KB)