javadoc
refactoring
passing view to get projection
fixed crash when flushing batch
javadoc
using hud projection matrix before flushing
added missing x axis frustum culling

on blocks
moved global clipping to camera field

- map gets modified flag
- access on block beyond map returns ground block
- ground block instance stored in map
- each camera has clipping
- moved ground layer into regular rendering pipeline
version string
smaller frustum
added line break
improved logging
on enter request camera recalc