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Maya Blend Shapes Deforming Incorrectly
I have encountered yet another particularly frustrating issue in Maya. I'm creating my first facial rig for class, and have gotten to the point where I am creating blend shapes. We're supposed to create blend shapes for the eyes, brows, tongue, and mouth, each in separate groups. We were instructed to use the "Default" or… -
Re: Maya Blend Shapes Deforming Incorrectly
They shouldn't? O_o While poking around I discovered the "Paint Blend Shape Weights Tool" and noticed that every blend shape's weight maps flooded the entire mesh with white, so I thought it might be a good idea to change that. It stopped the weird vertical stretching, but now the lower lip is slipping when I rotate the… -
Re: Maya Blend Shapes Deforming Incorrectly
I think it has something to do with the blend shape skin weights (didn't know they had their own weight map until now.) I wiped all the weights from the blend shape weight map and started adding them in one by one. It's not stretching anymore, but adding all the weights sure is tedious... Thankfully there are no game… -
Re: Maya Blend Shapes Deforming Incorrectly
This is my very first time doing anything like this, and I thought the pipeline my teacher gave us would work, naturally, but I understand what you're saying. I feel a lot comfortable doing almost anything 3D except for rigging. >.< Here's some screencaps to illustrate my problem. Here is my base mesh (bind pose?)… -
Re: Maya Blend Shapes Deforming Incorrectly
Oh I meant skin weights. Blend shape weights are fine, but that should be on your basemesh and not the targets. -
Re: Maya Blend Shapes Deforming Incorrectly
I figured something was up with this method. I created a single blendshape with all the heads like you described using the "default" mode, and it's working wonderfully. No weird stretching anymore. I'll post again if any new problems arise. Thank you so much for helping! :) -
Re: Maya Blend Shapes Deforming Incorrectly
Alright, so I created the blendshapes exactly as you said, however I hit another roadblock. The blendshapes are overwriting the transformations on the model. For example, if I turn the head first, then slide the blendshape on, the head reverts to the default position. When I slide the blendshape on and THEN, turn the head,… -
Re: Maya Blend Shapes Deforming Incorrectly
Whew, thought I screwed up there for a second! Yes, they are on the base mesh and not on the targets. I have some screencaps of what's going on now. Changing the deformation order yields two very different results. One is more "right" than the other, yet they still both look very bad. First one is head rotates + jaw opened… -
Re: Maya Blend Shapes Deforming Incorrectly
Are you saying your blendshapes are skinned? They -shouldnt- be skinned. -
Re: Maya Blend Shapes Deforming Incorrectly
you probably froze transforms or deleted history at some point and now they are in different coordinate systems. I would go back in saves (you saved incrementally with an unlimited save amount, right?) until you find the error
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