Maciej,
That's a good idea. Taking it one step further, the system could allow you
to install a custom expiry callback so that you have the option of
explicitly controlling the expiration test yourself. Perhaps a functor that
DatabasePager can apply to PagedLOD::removeExpiredChildren.
Paging
John,
Digging into my memories on the subject...
One issue is, like you said, keeping data from paging out when the renderer
is idle. One approach might be to force a cull traversal every so often, or
to visit the scene graph and manually update the timestamps on your
PagedLODs. There may be
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