Own trail renderer: How to fix this stutter caused by rotation?

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:bust_in_silhouette: Asked By Footurist

I’ve written my own trail renderer, which is working fine, but something is causing stuttering and it has to do with the rotation_degrees of the node, that I change according to the angle of the velocity vector to the horizontal vector (ground). You can tell the difference when it’s flying in the air (then it’s smooth). I have no idea how to work around this. Any idea?

https://files.fm/u/7fkx7grf
Node path : game/ball/trail

Thanks for all your answers!
Greetings, Footurist