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Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 1:22 am
by WatchMotion
Hey, I noticed this happened once or twice before (when animating points on a shape) when I started using Moho a year ago and now it appears to be happening again.. The motion gets jerky, almost like stair stepping. I'm just rigging a character's body turn and have done it before on another character without this issue... very similar process. I've included a screencap of the graph. Any clue what I can do about this?

https://www.dropbox.com/s/r44bmjv30phut ... .png?dl=0

Re: Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 1:31 am
by synthsin75
It's likely interference from conflicting smart bones, but I'd have to see the file to be sure.

Re: Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 3:03 am
by WatchMotion
Sure thing, here's a link to the file:
https://www.dropbox.com/s/gqa4yumnlcilx ... .moho?dl=0

If you go into "body turn 2" its happening on the "arm turn r" layer. Thanks for taking a look, love to know what I'm doing wrong here...

Re: Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 4:07 am
by synthsin75
The motion graph display isn't really a problem, as that's just the aliasing of the diagonal line and looks the same for well-behaving point motion.

You can fix the stutter by simply copying the frame zero point motion keyframe for that layer to frame one in that smart bone action.

Re: Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 2:57 pm
by WatchMotion
Actually come to think of it, do you think it would have this effect if the arm I'm turning on was not a duplicate of the arm I'm turning off? (with the visible setting)

Re: Funky Stair Stepping in Interpolation

Posted: Wed Mar 27, 2019 2:59 pm
by WatchMotion
Okay great - thank you so much - I'll definitely give this a shot.