#Animation Bug only in Vtube Studio

45 messages · Page 1 of 1 (latest)

rapid sierra
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So, can't show something cause of NDA. So as a smart human I've made the decision to put every animation (Heart Eyes for example) on the Idle animation. Everything works fine, except the animation for the tears. Basically tears crawling down the face, nothing special. Their is a weird bug happening in VtubeStudio, the animation is 4 sec long, the tears run down 2 times in those 4 seconds. but after every sec, all the parts that i used in this animation are getting shown for a millisecond. I've checked the animation file itself, nothing. No extra parameter that got keyed or something else. I don't know what to do tbh. Had anyone else this problem?

uncut citrus
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did you make sure that all parameters ends on the default position for the loop on the last frame of the animation?
if you dont close the parameters, vts will try to get it back to default in like a fade way

rapid sierra
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@uncut citrus tbh i forgot that xd But VtubeStudio still behaves like that after setting a default Value key at the last frame. I mean ist basic Keyframe animating, already did that in After Effects in a larger scale. I'm sending a screenshot to show u how I did it.

rapid sierra
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Update: Narrowed down the problem to VtubeStudio itself. In Cubism Viewer is everything fine when importing the motion file.

austere fox
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So it sounds like its the case when runtime (VTS) rewinding the animation at the end of animation, VHS style

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I forgot if scene fade-in/out settings affect VTS idle motion but what you can try is try to make the tears invisible at the last keyframe

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So the 'rewinding' effect wont be visible

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Depends on your setup you may need to make changes to the rigging/parameters

rapid sierra
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Just to get the everything together if someone else got this problem in the future. The toggle parameter (0-1) is only applied to the artmesh itself. The animation parameter (0-30)is using only the deformers and masks.

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@austere fox the first and last parameter key of the animation are already rigged to make everything invisible to make a smooth transition possible. So after changing the opacity of the parent deformers to 0% on the first and last key, the problem still consists.

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So again, after re-exporting both model .moc3 file and the motion.json file with the changed parameter keys, the issue still persists. I applied the animation parameter also to the artmeshes itself and changed the Opacity to 0% on the first and last keyframes of the artmeshes. huh... frustrating

rapid sierra
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I tried to stretch the animation parameter to only cycle trough one time over 4 sec length of the motion file. when doing this, there is no issue with the clipping. As soon as I switch from the key 1 to 30 within the 4 sec of motion the problem occurs again.

uncut citrus
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question
that last key on both is like default position? in both?

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or is just like the end of the parameter?
lets asume for example that you made a parameter for the fall to be
default 0, max +1

that last key is 0 or +1?

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can you take a video showing all the timeline and the animation?

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you can disapear everything on the model but the tears

rapid sierra
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It is both the default position. As example the key is +1. from 0 to +1 and the next frame directly back to 0. I'll try and make a vid 🙂 ty for helping.

rapid sierra
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@uncut citrus Here it is 🙂

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Forgot to record parameter values lol

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Second one with values

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Dont mind the diffrence in keys as i tried to solve the problem with keying every value step by step

uncut citrus
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you made the "reset" of the parameter with making 2 keys super close to eachother right?

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for what i see

rapid sierra
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yep 30 and then following one frame later with 0

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nice circles

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xD

uncut citrus
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can you try to change the graphic curve of those to a stair instead of a curve?

uncut citrus
rapid sierra
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so change to stair and try in VTS again?

uncut citrus
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yeah, if its a curve maybe what you are seein is what ran said
is just like the fade in fade out but between those two
so with the stair instead of a curve on the graphic, there is no posibility of that change

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is just a teory to try

rapid sierra
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It was set to Linear before

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Just exporting it

uncut citrus
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i think the option you want is the 3rd or 4rd [[dont remember with one is the down stair]]

rapid sierra
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Step and inverse Step are available 🙂

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@uncut citrus Still there 😦

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But not as often mhm

uncut citrus
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i think you would like the 4rd

rapid sierra
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okay, trying right, so it only occurs after looping after 4 times

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Still there ahhhh i just can't anymore. I mean i like the animation. It looks smooth everything else i animated works within the motion