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Posted 04 February 2012 - 12:28 PM
Posted 04 February 2012 - 01:29 PM
Posted 04 February 2012 - 03:11 PM
unless you are doing perfect portal clipping you can just use rectangular frustrum on every level.
just calculate AABB of the resulting portal and go on with that.
Posted 05 February 2012 - 07:18 PM
Posted 05 February 2012 - 10:09 PM
Yeah, that works well enough as an approximation.
You dont necissarily need 100% perfect culling, as long as you dont undercut yourself and not render things that are supposed to be shown!
Posted 06 February 2012 - 09:08 AM