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compiled and corrected ClosestPoint function

This commit is contained in:
Nico Pietroni 2006-03-07 16:39:38 +00:00
parent 711ca3fe14
commit 0c0e9044cf
1 changed files with 23 additions and 2 deletions
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25
vcg/space/segment3.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $
Revision 1.5 2004/05/13 23:39:47 ponchio
SegmentType -> Segment3 in constructor (g++ complained)
Revision 1.4 2004/05/08 14:07:50 ganovelli
return type of length and squaredlength corrected
@ -149,10 +152,28 @@ typedef Segment3<double> Segment3d;
template <class ScalarType>
Point3<ScalarType> ClosestPoint( Segment3<ScalarType> s, const Point3<ScalarType> & p)
{
ScalarType t = s.Projection(p);
vcg::Line3<ScalarType> l;
l.Set(s.P0(),s.P1()-s.P0());
l.Normalize();
Point3<ScalarType> clos=vcg::ClosestPoint<ScalarType,true>(l,p) ;//attention to call
vcg::Box3<ScalarType> b;
b.Add(s.P0());
b.Add(s.P1());
if (b.IsIn(clos))
return clos;
else
{
ScalarType d0=(s.P0()-p).Norm();
ScalarType d1=(s.P1()-p).Norm();
if (d0<d1)
return (s.P0());
else
return (s.P1());
}
/*ScalarType t = s.Projection(p);
if (s<0) return s.P0();
if (s>1) return s.P0();
return s.P(t);
return s.P(t);*/
}
/*@}*/