[Bf-committers] Muscle Rigging MVP implementation

Patrice patrice.bertrand.eu at gmail.com
Tue Oct 21 14:45:32 CEST 2014

Hello Yury,

Looking at the picture that illustrates the "collision deformer", I 
wonder whether this should be physics-based, or could be just a 
modifier.   It looks like the deformation could be achieved by a 
combination of some basic deform functions.   Consider a virtual plane 
that's halfway between colliding objects.  Then scale object's mesh on 
axis perpandicular to tha plane, with proportionnal editing and sharp 
fallout so that the vertices nearer to the plane get pushed outwards a 
bit.   Then bisect mesh at the plane.   And finally scale again, this 
time along the plane, still with proportionnal editing to create the 
sort of bulge.   I'm not saying a user ought to do all this, I'm saying 
this could all fit into a modifier quite easily, 2-3 parameters to set 
how much it deforms.


Le 20/10/2014 11:47, Yury Baranov a écrit :
> Hi Zack! This feature is cool, but there are couple of things that must be
> implemented to make muscle system usable:
> 1. Sliding skin attachment. Maybe this can be done with shrinkwrap
> modifier, but i'm not sure.
> 2. Muscle collision deformers. Simple implementation of this
> http://download.autodesk.com/us/maya/2010help/files/Collision_MultiObject_Collision.htm
> would be fine, though.
> Of course, your work is the core part of muscle rigging, and I'm (and my
> studio collegues) are totally happy that someone put startstone in this
> feature implementation. Thank you very much!
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