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corrected test with max distance in ray Iterator

This commit is contained in:
Nico Pietroni 2007-03-26 08:12:30 +00:00
parent 63e2cdd95f
commit c466753fe5
1 changed files with 13 additions and 3 deletions
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16
vcg/space/index/space_iterators.h
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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.25 2007/03/08 17:05:50 pietroni
line 375, corrected 1 error concerning intersection with bounding of the grid
Revision 1.24 2007/02/20 16:22:50 ganovelli
modif in ClosestIterator to include the last shell Si.siz [X|Y|X]. Tested with minialign and point based animation
@ -140,7 +143,14 @@ namespace vcg{
void _NextCell()
{
assert(!end);
ScalarType testmax_dist=(r.Origin()-goal).Norm();
vcg::Box3<ScalarType> bb_current;
Si.IPToP(CurrentCell,bb_current.min);
Si.IPToP(CurrentCell+vcg::Point3i(1,1,1),bb_current.max);
CoordType inters;
Intersection_Ray_Box(bb_current,r,inters);
ScalarType testmax_dist=(inters-r.Origin()).Norm();
if (testmax_dist>max_dist)
end=true;
@ -233,7 +243,7 @@ namespace vcg{
ObjType* elem=&(*(*l));
ScalarType t;
CoordType Int;
if((!elem->IsD())&&(!tm.IsMarked(elem))&&(int_funct((**l),r,t)))
if((!elem->IsD())&&(!tm.IsMarked(elem))&&(int_funct((**l),r,t))&&(t<=max_dist))
{
Int=r.Origin()+r.Direction()*t;
Elems.push_back(Entry_Type(elem,t,Int));
@ -400,7 +410,7 @@ namespace vcg{
tm=_tm;
}
///initialize the Itarator
///initialize the Iterator
void Init(CoordType _p,const ScalarType &_max_dist)
{
explored.SetNull();