Morphing models

# 1 07-11-2005 , 06:41 PM

Registered User
Join Date: Aug 2005

Location: Ky

Posts: 25

Hi all,

I’m having a big issue that I’m not shore how to ask. I’ll describe it as best as possible, so if this is in the search, please point me to the word I should be looking under. I have a model of a normal human and a model of a beast. I want to morph the human into the beast. So the question is: When I’m animating this scene (How do I make the human morph into the beast?) Do I some how combine the models? or do I bake the model some how? If you could shed some light on this it would be appreciated.
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# 2 07-11-2005 , 07:40 PM

The Maya Mountain
Join Date: Aug 2002

Location: Seattle, WA

Posts: 8,245

without special external support, it's not truly possible (as far as I know) to morph one mesh directly into another, seperate, different mesh. The best way to achieve such a thing is with blend shape, which morphs between two models that have identical vertex order (ie. the 2 models are from the same object, just look different).

So, with 2 different objects, the only way to do it is to "fake" it, with effects or whatnot.

-Mike
The Maya Toolbelt

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# 3 08-11-2005 , 11:58 AM

Registered User
Join Date: Aug 2005

Location: Ky

Posts: 25

Thanks for the info., would you know where I can find some tutorials on this. user added image

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# 4 08-11-2005 , 03:23 PM

Registered User
Join Date: Mar 2005

Location: England

Posts: 70

I can give you a small walkthrough on how to blend one head shape into another:

First you need 2 models of the same vertex order like mckinley said. the best way to do this is do duplicate the model you have already made and move it to one side.

Next you need to move the vertices around on the duplicate model until it looks like the beast you want (make sure you don't add any more parts to the model, all you can do is move vertices!)

when you are happy that your 2 shapes look good you simply select the original model, Shift-select your new model and go to "create blend shape" from one of the toolbars (i can't remember it at the moment, i think its in the animation set somewhere at the top. Don't have maya on this pc, sorry)

now look at your channel box on the right. under the inputs there should be a new channel called something like blendshape_1.

you can then make the old model blend to the new model by changing this value. (0 means there is no blend and the model will look the same. 1 is when the old model will be morphed into the new model) you can click on this value and drag the middle mouse button left and right in the perspective view to see the blend in action.

I hope this helped, i think its mostly correct, but its all going on memory. user added image

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