Hi, I have been missing a feature for a while now and was wondering if it's something you would consider adding in future releases?   The concept is to update currently running tweens without a sudden stop/start - instead you would relate to the previous animation's position, speed and velocity. It's called additive animation. Here's also a simple demo showing it: http://alexkuz.github.io/additive-animation/   I think we could get this effect with the Physics plugin, but that would be rather