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Begging for help with animated meshes

Vinny
Guest
Quote
2024-01-16 11:47:22

Please help!!!!
When Importing Animated mesh it have parts being misplaced and tweaking on different animations.

This particular model have lower jaw misplaced as well as part of teeth being ?stuck to the floor???? as well as shaking it's head on another animation.
I made both model and animation myself and everything is fine in blender. No misplaced bones or weight errors or anything.
I tried exporting it in different formats like directX .x and Milkshape 3D .ms3d which in coppercube have even more problems. As well as i tried different fbx export setting, but nothing seemed to work.
Please help!
Like i dunno, maybe I'm stupid and just missing something, but i can't get why it's doing this or what i can do to fix this.

V attaching picture V
https://drive.google.com/file/d/...


cmaiia
Registered User
Quote
2024-01-16 12:14:53

on Blender in "Weight Paint". Where you can determine the influence of each bone on mesh and see one by one.
This seems that one of the model bone of the model is exerting influence on the jaw. In "Weight Paint" you will be able to see.


just_in_case
Moderator
Quote
2024-01-16 12:21:01

Which version of the blender are you using, sometimes these issues happen, so make sure your 3D model is a complete single model if you are using it in .FBX format ( I recommend using .fbx for animated models).
Then make sure to use Blender version 3+, I use Blender 3.5.

Some user had similar issues, I remember the fix was pretty simple, I did nothing, I just opened their model in my blender and exported it again as a .fbx file and everything was working fine.

Every time you update your 3D model in blender, save it with a different name, and don't overwrite it over the previous model, otherwise Coppercube will not treat it as a new model, and will load the old un-updated model from the memory.

If that's the case then, even if you fixed the model, it is still going to show the old distorted model in the editor, you either need to restart the editor, unload the model manually, or use a different name for the 3D model.

Try the above-mentioned things, and if it is still not fixed then you can send the model to me on my discord server and I can investigate the issue for you and will try to fix it.


Vinny
Guest
Quote
2024-01-16 12:29:13

Sadly it's not the weight problem. I doublechecked all the weights and its all good, plus it doesn't explain why its acting so bad on second animation. It's jaw being misplaced for couple of frames then it placed as intended for other couple frames and goes back to being misplaced. As well as head acting like it have a stroke on the second animation while first animation just fine.
Just in case, i edited weight, maybe i missed just a pixel which was causing the problem but nope. Weight is set properly.

https://drive.google.com/file/d/...
https://drive.google.com/file/d/...


Vinny
Guest
Quote
2024-01-16 12:33:35

I learned to save everything in multiple variants during work, this really saves you just in case pc crash or something else happens and that single file becomes corrupt, so yeah i always save edited file as a new on and so on.
I'll try what you suggested, maybe something indeed failed to save properly or something like that.


Vinny
Guest
Quote
2024-01-16 15:40:49

Well, nothing worked. I tried using Blender 3.3 and even used better FBX export addon. And it kinda still made everything worse, heads animation is now completely messed up. I tried opening FBX in other programs and exporting it from them but the result was either same or worse, so this really sucks. And looks like the only solution i see for now will be to remake bones and animations from scratch and just pray that nothing will break this time.


cmaiia
Registered User
Quote
2024-01-16 16:13:58

Vinny wrote:
Sadly it's not the weight problem. I doublechecked all the weights and its all good, plus it doesn't explain why its acting so bad on second animation. It's jaw being misplaced for couple of frames then it placed as intended for other couple frames and goes back to being misplaced. As well as head acting like it have a stroke on the second animation while first animation just fine.
Just in case, i edited weight, maybe i missed just a pixel which was causing the problem but nope. Weight is set properly.

https://drive.google.com/file/d/...
https://drive.google.com/file/d/...


About the images you posted select one of the bones of the model's leg or peses to see if it is pulling the vertex of the mouth.


Vinny
Guest
Quote
2024-01-16 16:47:37

[/quote]About the images you posted select one of the bones of the model's leg or peses to see if it is pulling the vertex of the mouth.[/quote]

It wasn't about wrong weight, like it's working perfectly in blender and what was causing that "teeth in the floor" was that it had different material, for whatever reason coppercube didn't liked it, so after changing material it fixed the floating tooth but it still doesnt help with misplaced jaw and animations just going crazy.
And the funny thing is, i opened both blend and fbx files in different programs, including new version of blender and milkshape3d and in both the animations was running perfectly, no misplaced objects, no jittering, just animation exactly same way i made it. But once put into coppercube its just nightmare fuel.
I tried exporting it as different file formats, as different types of FBX(2010,2014,2016) with blender but nothing seem to work.
So looks like it's not the problem with the model rather than copper cube not liking it for whatever reason.

This is how the animation look in blender
https://drive.google.com/file/d/...

This one from milkshape
https://drive.google.com/file/d/...

And this is how it looks in Coppercube
https://drive.google.com/file/d/...

Other formats kinda give different results, one of them had body extremely stretched, one had head spinning like a helicopter, so yeah, no matter what type or from ehich software i exported, it still didn't loaded properly.
I would try to remake rig and animations from scratch, maybe this time it will work properly.
If you could notice what is exactly off or broken or causing this issue, this will be a huge help. But anyways thanks for helping me out and wasting your time on me <3


cmaiia
Registered User
Quote
2024-01-16 20:06:59

Send me the blend there I will see here. Do you repair and send to you. @Vinny


Vinny
Guest
Quote
2024-01-16 22:02:05

Thanks @cmaiia but after scrolling through like 20 pages in forum i accidentaly found solution

This thread from 2017 was extreemely helpful
https://ambiera.com/forum.php?t=...

Did everything and the model finally loaded properly, so in the end it wasn't troubles with my blend file but with .fbx for some reason

thou yeah i had to merge animations together since .x don't save separate actions, but it wasn't that hard to cut them in coppercube
But yeah
Huge thanks to you all guys !!!
<3 <3 <3


cmaiia
Registered User
Quote
2024-01-16 23:27:25

ok, see you next time


just_in_case
Moderator
Quote
2024-01-17 06:46:19

Glad that you can fix that issue, for me, FBX never had any problems. but most of the users in the community prefer .x, however, I find it a bit tedious to use .x , you need to create the actions manually in Coppercube. It's hard to use them in other tools, not every tool supports import and export for .X

FBX is a universal format, most of the game engines and 3D tools support it.

I wish Coppercube had a .gltf/.glb support as well.

Internally Coppercube can support many other formats, but due to issues like this, model distortion, and weird artifacts, they never made it into the final version.


Vinny
Guest
Quote
2024-01-17 08:02:17

This is kinda first time this problem happens to me. I created a lot of models in Magica Voxel and animated them in blender exporting as FBX and they all worked perfectly. I also tried couple smaller models made by me in blender and they were also fine, but this one gave me huge headache, but as long as it's working it doesn't really matter what file type it is.


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