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added PointSegment2DEPFunctor

This commit is contained in:
Nico Pietroni 2014-08-01 00:13:25 +00:00
parent 6902670e48
commit cd83a42ea6
1 changed files with 26 additions and 1 deletions
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27
vcg/space/segment2.h
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@ -159,7 +159,32 @@ Point2<ScalarType> ClosestPoint( Segment2<ScalarType> s, const Point2<ScalarType
return clos; return clos;
} }
/*@}*/ template <class S>
class PointSegment2DEPFunctor {
public:
typedef S ScalarType;
typedef Point2<ScalarType> QueryType;
static inline const Point2<ScalarType> & Pos(const QueryType & qt) {return qt;}
template <class EdgeType, class ScalarType>
inline bool operator () (const EdgeType & e, const Point2<ScalarType> & p,
ScalarType & minDist, Point2<ScalarType> & q)
{
const Point2<typename EdgeType::ScalarType> fp = Point2<typename EdgeType::ScalarType>::Construct(p);
Point2<typename EdgeType::ScalarType> fq;
typename EdgeType::ScalarType md = (typename EdgeType::ScalarType)(minDist);
//const bool ret = PointDistanceEP(f, fp, md, fq);
fq=ClosestPoint(e,fp);
ScalarType currD = (ScalarType)(fp-fq).Norm();
if (currD>minDist)return false;
minDist=currD;
q = Point2<ScalarType>::Construct(fq);
return true;
}
};
} // end namespace } // end namespace
#endif #endif