vcglib/vcg/simplex/vertex/distance.h

60 lines
2.5 KiB
C++

/****************************************************************************
* VCGLib o o *
* Visual and Computer Graphics Library o o *
* _ O _ *
* Copyright(C) 2004 \/)\/ *
* Visual Computing Lab /\/| *
* ISTI - Italian National Research Council | *
* \ *
* All rights reserved. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
* for more details. *
* *
****************************************************************************/
/****************************************************************************
History
****************************************************************************/
#ifndef __VCGLIB_VERTEX_DISTANCE
#define __VCGLIB_VERTEX_DISTANCE
#include <vcg/math/base.h>
#include <vcg/space/point3.h>
namespace vcg {
namespace vertex{
class PointDistanceFunctor {
public:
template <class VERTEXTYPE, class SCALARTYPE>
inline bool operator () (const VERTEXTYPE & v, const Point3<SCALARTYPE> & p, SCALARTYPE & minDist, Point3<SCALARTYPE> & q) {
const Point3<typename VERTEXTYPE::ScalarType> fp = Point3<typename VERTEXTYPE::ScalarType>::Construct(p);
typename VERTEXTYPE::ScalarType md;
md=(v.P()-fp).Norm();
bool ret = (md<=minDist);
if (ret) minDist = (SCALARTYPE)(md);
q = v.P();
return (ret);
}
};
} // end namespace face
} // end namespace vcg
#endif