/usr/include/libwildmagic/Wm5IntrSphere3Sphere3.h is in libwildmagic-dev 5.13-1ubuntu3.
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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: 5.0.3 (2010/10/01)
#ifndef WM5INTRSPHERE3SPHERE3_H
#define WM5INTRSPHERE3SPHERE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Circle3.h"
#include "Wm5Sphere3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrSphere3Sphere3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrSphere3Sphere3 (const Sphere3<Real>& sphere0,
const Sphere3<Real>& sphere1);
// Object access.
const Sphere3<Real>& GetSphere0 () const;
const Sphere3<Real>& GetSphere1 () const;
// Static test-intersection query.
virtual bool Test ();
// Static find-intersection query. The enumerated values are in addition
// to those in Intersector. Use GetIntersectionType() to return the enum
// after the "bool Find()" call.
using Intersector<Real,Vector3<Real> >::IT_EMPTY;
using Intersector<Real,Vector3<Real> >::IT_POINT;
using Intersector<Real,Vector3<Real> >::IT_OTHER;
enum
{
// IT_EMPTY: spheres are disjoint/separated
// IT_POINT: spheres touch at point, each sphere outside the other
IT_CIRCLE = IT_OTHER + 1, // spheres intersect in a circle
IT_SPHERE0, // sphere0 strictly contained in sphere1
IT_SPHERE0_POINT, // sphere0 contained in sphere1, share common point
IT_SPHERE1, // sphere1 strictly contained in sphere0
IT_SPHERE1_POINT // sphere1 contained in sphere0, share common point
};
virtual bool Find ();
// Intersection set for static find-intersection query.
const Circle3<Real>& GetCircle () const;
// Dynamic test-intersection query.
virtual bool Test (Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// Dynamic find-intersection query.
virtual bool Find (Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// Intersection set for dynamic find-intersection query.
const Vector3<Real>& GetContactPoint () const;
private:
using Intersector<Real,Vector3<Real> >::mContactTime;
using Intersector<Real,Vector3<Real> >::mIntersectionType;
// The objects to intersect.
const Sphere3<Real>* mSphere0;
const Sphere3<Real>* mSphere1;
// Circle of intersection for static spheres.
Circle3<Real> mCircle;
// Point of intersection for dynamic spheres.
Vector3<Real> mContactPoint;
};
typedef IntrSphere3Sphere3<float> IntrSphere3Sphere3f;
typedef IntrSphere3Sphere3<double> IntrSphere3Sphere3d;
}
#endif
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