/usr/include/libwildmagic/Wm5IntrTriangle3Sphere3.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 WM5INTRTRIANGLE3SPHERE3_H
#define WM5INTRTRIANGLE3SPHERE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Triangle3.h"
#include "Wm5Sphere3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrTriangle3Sphere3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrTriangle3Sphere3 (const Triangle3<Real>& triangle,
const Sphere3<Real>& sphere);
// Object access.
const Triangle3<Real>& GetTriangle () const;
const Sphere3<Real>& GetSphere () const;
// Static test-intersection query.
virtual bool Test ();
// Dynamic find-intersection query. If the query returns 'true', use
// GetContactTime() to obtain the first time of contact. If this time
// is zero, the triangle is already intersecting the sphere and no
// contact set is computed. If this time is positive, obtain the
// first point of contact using GetPoint().
virtual bool Find (Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// The contact point.
const Vector3<Real>& GetPoint () const;
private:
using Intersector<Real,Vector3<Real> >::mContactTime;
// Support for the dynamic query.
bool FindTriangleSphereCoplanarIntersection (int vertex,
const Vector3<Real> V[3], const Vector3<Real>& sideNorm,
const Vector3<Real>& side, Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
bool FindSphereVertexIntersection (const Vector3<Real>& vertex,
Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// The objects to intersect.
const Triangle3<Real>* mTriangle;
const Sphere3<Real>* mSphere;
// The point of contact for dynamic queries.
Vector3<Real> mPoint;
};
typedef IntrTriangle3Sphere3<float> IntrTriangle3Sphere3f;
typedef IntrTriangle3Sphere3<double> IntrTriangle3Sphere3d;
}
#endif
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