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added PlanePointSquaredDistance function

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Nico Pietroni 2014-04-07 06:30:30 +00:00
parent 6071372992
commit b87832a022
1 changed files with 35 additions and 0 deletions
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35
vcg/space/distance3.h
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@ -124,6 +124,41 @@ void SphereSphereDistance(const Sphere3<ScalarType> &sphere0,
return dist; return dist;
} }
/*
* Computes the minimum squared distance between a between a point and a plane
* @param[in] pl The input line
* @param[in] p The input point
* @param[out] closest The closest point
* @param[out] dist The squared distance
*/
template <class ScalarType>
void PlanePointSquaredDistance(const vcg::Plane3<ScalarType> &Pl,
const Point3<ScalarType> &p,
Point3<ScalarType> &closest,
ScalarType &dist)
{
closest=Pl.Projection(p);
dist= (closest - p).SquaredNorm();
}
/*
* Computes the minimum squared distance between a between a point and a plane
* @param[in] pl The input line
* @param[in] p The input point
* @param[out] closest The closest point
* @param[out] dist The squared distance
*/
template <class ScalarType>
ScalarType PlanePointSquaredDistance(const vcg::Plane3<ScalarType> &Pl,
const Point3<ScalarType> &p)
{
ScalarType dist;
vcg::Point3<ScalarType> closest;
PlanePointSquaredDistance(Pl,p,closest,dist);
return (dist);
}
/* /*
* Computes the minimum squared distance between a between a point and a line * Computes the minimum squared distance between a between a point and a line