Issue: Depth sorting that works for more cases when objects are close together in z depth, but moved left and right.
Issue: Depth sorting that works for more cases when objects are close together in z depth, but moved left and right.

We may want to eventually do some kind of sorting alg that works based on total bounds, not just a single point.


git-svn-id: 5afc437a751a4ff2ced778146f5faadda0b504ab@3442 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio,chototsu/MikuMikuStudio