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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5DISTPOINT3LINE3_H
#define WM5DISTPOINT3LINE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Distance.h"
#include "Wm5Line3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM DistPoint3Line3
: public Distance<Real,Vector3<Real> >
{
public:
DistPoint3Line3 (const Vector3<Real>& point, const Line3<Real>& line);
// Object access.
const Vector3<Real>& GetPoint () const;
const Line3<Real>& GetLine () const;
// Static distance queries.
virtual Real Get ();
virtual Real GetSquared ();
// Function calculations for dynamic distance queries.
virtual Real Get (Real t, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
virtual Real GetSquared (Real t, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// Information about the closest line point.
Real GetLineParameter () const;
private:
using Distance<Real,Vector3<Real> >::mClosestPoint0;
using Distance<Real,Vector3<Real> >::mClosestPoint1;
const Vector3<Real>* mPoint;
const Line3<Real>* mLine;
// Information about the closest line point.
Real mLineParameter; // closest1 = line.origin+param*line.direction
};
typedef DistPoint3Line3<float> DistPoint3Line3f;
typedef DistPoint3Line3<double> DistPoint3Line3d;
}
#endif
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