space bone transforms only once per mesh per bone (rather than each time
the bone appears in a weight group), low level fiddling. Also changed
the exporters to export everything, regardless of what's selected.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4081 542714f4-19e9-0310-aa3c-eee0fc999fb1
time and store them with the model. For skinned meshes, run through
every frame of every animation as they're compiled in order to find the
bounding volume that encloses every deformation.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4080 542714f4-19e9-0310-aa3c-eee0fc999fb1
locking the transforms and bounds of models whose positions will not
change, skip/postpone updates for models that aren't in view.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4078 542714f4-19e9-0310-aa3c-eee0fc999fb1
functionality, so that they will be visible in the model viewer.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4046 542714f4-19e9-0310-aa3c-eee0fc999fb1