Gabriele Cosmo
167 lines
3.4 KiB
C++
167 lines
3.4 KiB
C++
// This code implementation is the intellectual property of
|
|
// the GEANT4 collaboration.
|
|
//
|
|
// By copying, distributing or modifying the Program (or any work
|
|
// based on the Program) you indicate your acceptance of this statement,
|
|
// and all its terms.
|
|
//
|
|
// $Id: G4Ray.hh,v 1.1.10.1 1999/12/07 20:48:19 gunter Exp $
|
|
// GEANT4 tag $Name: geant4-01-00 $
|
|
//
|
|
#ifndef __G4Ray_h
|
|
#define __G4Ray_h 1
|
|
|
|
#include "G4Point3D.hh"
|
|
#include "G4PointRat.hh"
|
|
#include "G4Vector3D.hh"
|
|
#include "G4Plane.hh"
|
|
|
|
|
|
class G4Ray
|
|
{
|
|
|
|
public:
|
|
|
|
G4Ray();
|
|
|
|
G4Ray(const G4Point3D& start0, const G4Vector3D& dir0);
|
|
|
|
void Init(const G4Point3D& start0, const G4Vector3D& dir0);
|
|
|
|
G4Point3D GetPoint(G4double i) const;
|
|
|
|
G4double GetPPoint(const G4Point3D& p) const;
|
|
|
|
const G4Vector3D& GetDir() const;
|
|
|
|
const G4Point3D& GetStart() const;
|
|
|
|
void SetDir(const G4Vector3D& dir0);
|
|
|
|
void SetStart(const G4Point3D& start0);
|
|
|
|
private:
|
|
|
|
G4Point3D start;
|
|
G4Vector3D dir;
|
|
|
|
G4double r_min; // entry Dist to bounding sphere
|
|
G4double r_max; // exit Dist from bounding sphere
|
|
|
|
G4Plane plane1, plane2;
|
|
|
|
|
|
public:
|
|
|
|
const G4Plane& GetPlane(const int number_of_plane)const;//1 or 2
|
|
|
|
void RayCheck();
|
|
|
|
void CreatePlanes();
|
|
|
|
static int CalcPlane3Pts( G4Plane &plane1, const G4Point3D& a,
|
|
const G4Point3D& b, const G4Point3D& c );
|
|
|
|
inline G4double P2(const G4double x) {return(x*x);};
|
|
|
|
void MatVecOrtho( register G4Vector3D &out, register const G4Vector3D in );
|
|
|
|
inline int NearZero(const G4double val, const G4double epsilon)
|
|
{
|
|
return ( ((val) > -epsilon) && ((val) < epsilon) );
|
|
}
|
|
|
|
static inline void Vcross(G4Plane &a,
|
|
const G4Vector3D &b, const G4Vector3D &c)
|
|
{
|
|
a.a = b.y() * c.z() - b.z() * c.y() ;
|
|
a.b = b.z() * c.x() - b.x() * c.z() ;
|
|
a.c = b.x() * c.y() - b.y() * c.x() ;
|
|
}
|
|
|
|
static inline void Vcross(G4Vector3D &a,
|
|
const G4Vector3D &b, const G4Vector3D &c)
|
|
{
|
|
a.setX(b.y() * c.z() - b.z() * c.y()) ;
|
|
a.setY(b.z() * c.x() - b.x() * c.z()) ;
|
|
a.setZ(b.x() * c.y() - b.y() * c.x()) ;
|
|
}
|
|
|
|
inline void Vmove(G4Point3D &a, const G4Point3D &b)
|
|
{
|
|
a.setX(b.x());
|
|
a.setY(b.y());
|
|
a.setZ(b.z());
|
|
}
|
|
|
|
inline void Vadd2(G4Point3D &a, const G4Point3D &b, const G4Vector3D &c )
|
|
{
|
|
a.setX(b.x() + c.x()) ;
|
|
a.setY(b.y() + c.y()) ;
|
|
a.setZ(b.z() + c.z()) ;
|
|
}
|
|
|
|
static inline void Vsub2(G4Vector3D &a,
|
|
const G4Point3D &b, const G4Point3D &c)
|
|
{
|
|
a.setX(b.x() - c.x());
|
|
a.setY(b.y() - c.y());
|
|
a.setZ(b.z() - c.z());
|
|
}
|
|
|
|
// Set all elements of vector to same scalar value
|
|
inline void Vsetall(G4Vector3D &a, G4double s)
|
|
{
|
|
a.setX(s); a.setY(s); a.setZ(s);
|
|
}
|
|
|
|
// Scale vector at `b' by scalar `c', Store result at `a'
|
|
static inline void Vscale(G4Plane& a, const G4Plane& b, const G4double c)
|
|
{
|
|
a.a = b.a * c;
|
|
a.b = b.b * c;
|
|
a.c = b.c * c;
|
|
}
|
|
|
|
// Compute dot product of vectors at `a' and `b'
|
|
static inline G4double Vdot(const G4Plane &a, const G4Point3D &b)
|
|
{
|
|
return (a.a * b.x() +
|
|
a.b * b.y() +
|
|
a.c * b.z());
|
|
}
|
|
|
|
// Return scalar Magnitude squared of vector at `a'
|
|
static inline G4double Magsq(const G4Plane &a)
|
|
{
|
|
return ( a.a * a.a + a.b * a.b + a.c *a.c );
|
|
}
|
|
|
|
// Return scalar Magnitude of vector at `a'
|
|
static inline G4double Magnitude(const G4Plane &a)
|
|
{
|
|
return (sqrt( Magsq( a )) );
|
|
}
|
|
|
|
};
|
|
|
|
#include "G4Ray.icc"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|