col::BoxtreePrecomp Class Reference

Contains all things that can be precomputed before a traversal of Boxtree's. More...

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Public Member Functions

 BoxtreePrecomp (const osg::Matrix &m)

Public Attributes

float m_b [3][3]
 Three unit vectors spanning the bbox of this in other's coord system in Boxtree::check().
bool m_b_gt_0 [3][3]
 precomputed float comparisons

Detailed Description

Contains all things that can be precomputed before a traversal of Boxtree's.

This is a helper class for Boxtree::check() only!

Warning:
Does not work if there is a scaling or shear in m!
Author:
Gabriel Zachmann, written 1997, re-implemented on OSG in May 2002.
Todo:


The documentation for this class was generated from the following files:
Generated on Tue Oct 16 18:12:47 2007 for CollDet by  doxygen 1.5.2