/usr/include/libwildmagic/Wm5IntrBox3Sphere3.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: 5.0.1 (2010/10/01)
#ifndef WM5INTRBOX3SPHERE3_H
#define WM5INTRBOX3SPHERE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Box3.h"
#include "Wm5Sphere3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrBox3Sphere3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrBox3Sphere3 (const Box3<Real>& box, const Sphere3<Real>& sphere);
// Object access.
const Box3<Real>& GetBox () const;
const Sphere3<Real>& GetSphere () const;
// Test-intersection query.
virtual bool Test ();
// 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> >::IT_EMPTY;
using Intersector<Real,Vector3<Real> >::IT_POINT;
using Intersector<Real,Vector3<Real> >::IT_OTHER;
using Intersector<Real,Vector3<Real> >::mIntersectionType;
using Intersector<Real,Vector3<Real> >::mContactTime;
// Supporting functions for dynamic Find function.
static Real GetVertexIntersection (Real dx, Real dy, Real dz, Real vx,
Real vy, Real vz, Real rsqr);
static Real GetEdgeIntersection (Real dx, Real dz, Real vx, Real vz,
Real vsqr, Real rsqr);
int FindFaceRegionIntersection (Real ex, Real ey, Real ez, Real cx,
Real cy, Real cz, Real vx, Real vy, Real vz, Real& ix, Real& iy,
Real& iz, bool aboveFace);
int FindJustEdgeIntersection (Real cy, Real ex, Real ey, Real ez, Real dx,
Real dz, Real vx, Real vy, Real vz, Real& ix, Real& iy, Real& iz);
int FindEdgeRegionIntersection (Real ex, Real ey, Real ez, Real cx,
Real cy, Real cz, Real vx, Real vy, Real vz, Real& ix, Real& iy,
Real& iz, bool aboveEdge);
int FindVertexRegionIntersection (Real ex, Real ey, Real ez, Real cx,
Real cy, Real cz, Real vx, Real vy, Real vz, Real& ix, Real& iy,
Real& iz);
// The objects to intersect.
const Box3<Real>* mBox;
const Sphere3<Real>* mSphere;
// Point of intersection.
Vector3<Real> mContactPoint;
};
typedef IntrBox3Sphere3<float> IntrBox3Sphere3f;
typedef IntrBox3Sphere3<double> IntrBox3Sphere3d;
}
#endif
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