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Morph Facial Animation

By Merlyn Lear
Web: Open Site
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Date Added: 16th June 2009
Software used:
3ds Max
548_tid_face_morph_render01.jpg
Morphing is the simplest facial method and good for new and advanced artists. Morphing takes vertex positions from duplicated models and blends them onto the selected morph model. By blending from multiple 'reference' models you can generate a number of expressions for the character while retaining flexibility on editing the original model. Morphs can be very effective to generate special facial affects like 'lump on head' for cartoon scenes as the head mesh can be happily manipulated with little issues. One interesting affect of morphs is that you can invert the morph % this can turn a blink into a stare or a smile into a sulk, as the morph inverts the vertex position. Some of these inverts will require limits so no distortions appear.

548_tid_face_morphs_compair01.jpg
Pros
  • Very flexible to manipulate the vertex's
  • Can add up to 100 different morphs
  • Can manipulate UV mapping (for control model only)

Cons
  • Cannot add or remove vertex's to morph targets & control model (if you do this the vertex order for the morph targets will go out of place, or cannot be loaded into the morpher modifier)
  • Takes up more memory than skinning

548_tid_face_morph_render01.jpg

Morph process

1. A control model is duplicated a number of times using reference copies. These reference copies will act as the 'morph targets'.

The control model acts as the original model and should be modified if you want to modify all the morph models at the same time i.e. change shape of face, nose, eyes etc. This makes global modifications easy

548_tid_face_morphs_clone01.jpg


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