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1. Maya - Animation flips one Bone Randomly in Unreal Engine

   

   

   Topic by apollo580 · Jan 2018 · Home› Technical Talk

   Hello, I have an issue where I export my animation from Maya to Unreal engine and the entire animation plays correctly but for some reason my neck bone is flipped. I check the transformations in maya and they are perfect but in Unreal that one neck bone has random rotations like 180 degrees and such. I tried make a random…

2. Re: Maya - Animation flips one Bone Randomly in Unreal Engine

   

   Reply by apollo580 · Jan 2018 · Home› Technical Talk

   Thank you for your help! This fixed my issue! Learn something new everyday :smile:

3. Re: Maya - Animation flips one Bone Randomly in Unreal Engine

   

   Reply by Mark Dygert · Jan 2018 · Home› Technical Talk

   It is probably the bind pose. You should delete it, and rebuild it then when you import into unreal have it "update the skeletal reference". In Maya, open the outliner, Display > turn off display DAG objects only. Then search for *bind* and delete all of the bind poses. Make sure to include the * windcards when searching…

4. Re: Maya - Animation flips one Bone Randomly in Unreal Engine

   

   Reply by poopipe · Jan 2018 · Home› Technical Talk

   I'd assume it was a wacky transform on the neck bone in maya tbh. It's not the sort of place you'd expect to encounter gimbal lock if it was properly frozen when you built the rig. This is assuming it's children have exported - I know unreal doesn't store rotation on the last bone in a chain