- projects vertices without clipping code (xs at 3200)
- sets flag in editvert ( eve->f & 2) when it is not visible
general note: that flag is only valid after the calc_meshverts_ext_f2
call. it is a free flag. be aware that selection
is stored in bit 1 (eve->f & 1)
leaves one object center pink" bug was actually designed by somebody
to mark the active object (which need not necessarily be selected).
I've added a couple of source comments to explain this so the next
person trying to fix this doesn't bother.
the wireframe after drawing the model in solid/shaded/textured mode.
The user can set this per object using the "Wire" button in the
edit buttons window.