Thanks for the tip, Carl -- my bad. Will keep that in mind in the future. (It was simplified to me because I had several times more circles and 100x more data points haha ><)
I had a typo with the cx, cy being undefined in the notworking function, but this was the solution--did not know this. It's working now--Thanks so much!
Just for closure sake, is it not possible to do this with the bezier plugin? I have the pseudo-stationary movement now with the non bezier method (does this have a proper name?), but don't understand exactly when to use one method ove