/usr/include/libwildmagic/Wm5IntrPlane3Cylinder3.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 WM5INTRPLANE3CYLINDER3_H
#define WM5INTRPLANE3CYLINDER3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Plane3.h"
#include "Wm5Cylinder3.h"
#include "Wm5Circle3.h"
#include "Wm5Ellipse3.h"
#include "Wm5Line3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrPlane3Cylinder3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrPlane3Cylinder3 (const Plane3<Real>& plane,
const Cylinder3<Real>& cylinder);
// Object access.
const Plane3<Real>& GetPlane () const;
const Cylinder3<Real>& GetCylinder () const;
// Static intersection query for a *finite* cylinder.
virtual bool Test ();
// Static intersection query for an *infinite* cylinder.
virtual bool Find ();
// Culling support. The view frustum is assumed to be on the positive
// side of the plane. The cylinder is culled if it is on the negative
// side of the plane.
bool CylinderIsCulled () const;
// The intersection set for an *infinite* cylinder and the plane.
enum
{
PC_EMPTY_SET,
PC_ONE_LINE,
PC_TWO_LINES,
PC_CIRCLE,
PC_ELLIPSE
};
int GetType () const;
// Valid when GetType() returns PC_ONE_LINE.
void GetOneLine (Line3<Real>& line) const;
// Valid when GetType() returns PC_TWO_LINES.
void GetTwoLines (Line3<Real>& line0, Line3<Real>& line1) const;
// Valid when GetType() returns PC_CIRCLE.
void GetCircle (Circle3<Real>& circle) const;
// Valid when GetType() returns PC_ELLIPSE.
void GetEllipse (Ellipse3<Real>& ellipse) const;
protected:
// The objects to intersect.
const Plane3<Real>* mPlane;
const Cylinder3<Real>* mCylinder;
// The intersection set when the cylinder is infinite.
int mType;
Line3<Real> mLine0, mLine1;
Circle3<Real> mCircle;
Ellipse3<Real> mEllipse;
};
typedef IntrPlane3Cylinder3<float> IntrPlane3Cylinder3f;
typedef IntrPlane3Cylinder3<double> IntrPlane3Cylinder3d;
}
#endif
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