|
Not sure but...
I'm not sure but you could make an invisible (see-through) .tga file and map it onto the vitals.
Good luck! 
__________________
Sam: What are you up to? Sneaking off, are we?
Gollum: Sneaking? Sneaking? Fat hobbit is always so polite...
Sam: All right, all right! You just startled me is all. What were you doing?
Gollum: Sneaking.
|