Can you add "physics" bones to a CAT motion rig to use in UDK?

Shuriken UK

Hi, I've got a character which I've got lined up for UDK. I'm going to rig it with the new-ish CAT system, but before I start the rigging & weighting, I need to know if its possible to create bones that are "gravity dependent". Its a female character, and when she runs, jumps or does some kung-fu or whatever, I want her breasts to act like you would expect (rather than being static, as if made of wood).

I tried doing the same thing a long time ago before CAT existed (using Biped systems), but because nobody seemed to know how to add physics bones to a skeletal mesh, and because I ran into a load of other brick walls, it never happened.

I just want to get the same simple "boob-physics" (apologies lol) as games such as 'Soul Calibur', 'Dead or Alive', 'Saints Row 3', 'Mortal Kombat 9' etc.

If anybody knows what I need to do to achieve this effect, PLEASE run me through it!

Sorry if this thread seems a bit "inappropriate" or obscene to some more sensitive people, I'm just trying to learn how to create physics bones for use in UDK!

Thanks

sprunghunt

This is done by using an animtree and physics asset to partially control the characters skeleton.

here's some related reading:

http://udn.epicgames.com/Three/PhysicalAnimation.html

http://udn.epicgames.com/Three/AnimationOverview.html

http://udn.epicgames.com/Three/PhATUserGuide.html

http://udn.epicgames.com/Three/AnimTreeEditorUserGuide.html

Shuriken UK

Thanks man, I'll have a read through these!

|*BILLY$CLINT*|

Have you looked into adding an extra boob bone to your rig for her boobs and then using Soft Body Dynamics to make them jiggle?