@Aressera I just noticed that Blender is X+ right, Z+ up and Y+ into the screen (away from the viewer). One thing that I'm really confused about is that the mesh and animation I downloaded from Mixamo is X+ right, Y+ up and Z- into the screen, so essentially right-handed. When I load it into Blende…

Resolved this, there is an issue with the latest version of assimp causing this, reverted to assimp 5.0 and its working as expected now

@joej So.. scrolling through my geometry loader I found an innocent looking line of code I had forgotten about. 

finalVertex.z *= -1;

POOF everything is now working fine ?

Will go cry for a bit, I'll be fine.

Hi @ddlox,

Following your code, I found the problem (and again, thanks for your help, your post helped me a lot to understand about the blend skinning process ... =))

The engine that I'm using, is something like a 'handler', where I need to handle old models to a new Model system (the old uses int va…