Funky Stair Stepping in Interpolation

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WatchMotion
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Joined: Sun Feb 04, 2018 4:47 am

Funky Stair Stepping in Interpolation

Post by WatchMotion » Wed Mar 27, 2019 1:22 am

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
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synthsin75
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Re: Funky Stair Stepping in Interpolation

Post by synthsin75 » Wed Mar 27, 2019 1:31 am

It's likely interference from conflicting smart bones, but I'd have to see the file to be sure.
- Wes
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WatchMotion
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Re: Funky Stair Stepping in Interpolation

Post by WatchMotion » Wed Mar 27, 2019 3:03 am

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...
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synthsin75
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Re: Funky Stair Stepping in Interpolation

Post by synthsin75 » Wed Mar 27, 2019 4:07 am

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.
- Wes
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WatchMotion
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Re: Funky Stair Stepping in Interpolation

Post by WatchMotion » Wed Mar 27, 2019 2:57 pm

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)
WatchMotion
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Re: Funky Stair Stepping in Interpolation

Post by WatchMotion » Wed Mar 27, 2019 2:59 pm

Okay great - thank you so much - I'll definitely give this a shot.
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