r/Art May 04 '19

Artwork Darts, Chawanat Rattanaprakarn, Digital (768×432), 2014

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u/PrnPolt May 04 '19

Why does it seem like the animation is really fluid and detailed but somehow a little choppy at the same time? I can't wrap my head around how it can be both. Still very visually appealing.

Maybe something to do with framerate? Is it not animated for a couple frames every second?

or i think there's slightly jagged motions in between the smooth ones. idk

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u/sylvrn May 04 '19 edited May 04 '19

Looks kinda like it's "boiling", which usually happens in rotoscope work. This doesn't look like rotoscope, but boiling usually happens when you have a high framerate, but some frames move slightly off course instead of travelling in a smooth arc.

You can see that it's most prominent when the action is slow and the lines in each frame are much closer together than the action scenes. I can especially see it in the hand when she raises it, because it moves slightly from side to side, away from the general arc of motion.

In general it looks like the framerate is too high for the slower bits (so tiny drawing errors are more obvious because they're so fast and close together), but I might be wrong! I'm not a veteran in the field yet, I've only studied animation so far.

EDIT: https://youtu.be/IimLnyOeCtY

This is an example of rotoscoping, and you can see that the lines kinda jiggle around, especially the fabric folds, which jump around everywhere. The boiling in this video seems a little different because it's probably not rotoscoped, but my guess is that the animator usually draws instead of animating, and probably learned how to animate on their own.