Why does the rigged model always look like this?

After rigging my models they all move around like this, any way to fix? Thanks

https://i.gyazo.com/438423b17b1acf2aaf0d885745c10b12.mp4
https://i.gyazo.com/959d9ab8a1feced8a5e034c8ad4f23e0.mp4

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this looks like a very strage physics issue ?

is the core part anchored and everything else detached from constraints ?

see that small part with a forcefeled that drops from the first mode ?
that looks like the humanoid. somehow…

I anchored the humanoidrootpart and the model won’t move at all and I don’t understand what you mean from detaching contraints.

Oh and that’s not a forcefield that’s a glass textured sphere that fell off because I forgot to rig it, my bad.

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ahh, by constraints i mean things like welds, springs, joints. any physics based attatchment, not like motor6d

Oh I think I know what you mean. It’s not enabled if this is what you’re referring to.

image

And none of the limbs in the rigged model have any contraints or welds or anything
image

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so if there all connected and properly anchored, the only way it could move is through the animation right ?

is there a possibility you made an unintended edit on all parts while you were moving it ?

I checked the rig again and this is how it looks like,

is this normal?

I didn’t find anything wrong and I checked many times

sorry, wasent very clear,
what i mean by that was the animation itself might have an issue, but now that you pull up the image, is that image normal ?
seems to not be symmetrical.

Yes its normal because I create motor 6D to connect the spikes to the torso of the model

I also tested if the limbs are actually working and it was so I don’t know whats the issue/

I dont know much about rigging, but by the way your rig slides across the floor, I’d check the HipHeight Property of Humanoid and then work from there.

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yeah, im not too sure what the issue is, so hip hight i geuss ?
hope the issue was narrowed down atleast.

I checked the hip height and I changed the value to 10, 40, 50 etc and the result was still the same. This is a very strange issue because this has never happened to me before because I rigged many models in the past.

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Do you have collisions enabled for any of the parts?

If so, its possible the 2 parts are fighting for space causing your model to experience unexpected velocity.

https://i.gyazo.com/82977ba03cd2862c8c6dd4b994b23545.mp4

Actually I changed the hip height one more time and the NPC didn’t suddenly dash away.

I have collisions enabled for all the parts so I think that’s the issue

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https://i.gyazo.com/bf6f7cf36467dc5f6db067bfb290ed57.mp4

Thanks it’s working now. Thank you very much

i would ask that you change the solution to the comment above, because that was not my idea.