/usr/include/libwildmagic/Wm5DistRay3Triangle3.h is in libwildmagic-dev 5.13-1+b2.
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// 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 WM5DISTRAY3TRIANGLE3_H
#define WM5DISTRAY3TRIANGLE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Distance.h"
#include "Wm5Ray3.h"
#include "Wm5Triangle3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM DistRay3Triangle3
: public Distance<Real,Vector3<Real> >
{
public:
DistRay3Triangle3 (const Ray3<Real>& ray,
const Triangle3<Real>& triangle);
// Object access.
const Ray3<Real>& GetRay () const;
const Triangle3<Real>& GetTriangle () const;
// Static distance queries.
virtual Real Get ();
virtual Real GetSquared ();
// Function calculations for dynamic distance queries.
virtual Real Get (Real fT, const Vector3<Real>& rkVelocity0,
const Vector3<Real>& rkVelocity1);
virtual Real GetSquared (Real fT, const Vector3<Real>& rkVelocity0,
const Vector3<Real>& rkVelocity1);
// Information about the closest points.
Real GetRayParameter () const;
Real GetTriangleBary (int i) const;
private:
using Distance<Real,Vector3<Real> >::mClosestPoint0;
using Distance<Real,Vector3<Real> >::mClosestPoint1;
const Ray3<Real>* mRay;
const Triangle3<Real>* mTriangle;
// Information about the closest points.
Real mRayParameter; // closest0 = ray.origin+param*ray.direction
Real mTriangleBary[3]; // closest1 = sum_{i=0}^2 bary[i]*tri.vertex[i]
};
typedef DistRay3Triangle3<float> DistRay3Triangle3f;
typedef DistRay3Triangle3<double> DistRay3Triangle3d;
}
#endif
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