CD_Simplex.h

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#ifndef _CD_SIMPLEX
#define _CD_SIMPLEX
 
#pragma once
#ifndef _WIN32
#  pragma GCC diagnostic ignored "-Wchar-subscripts"
#endif
 
#include <sch/Matrix/SCH_Types.h>
#include <sch/sch_api.h>
 
namespace sch
{
enum CD_SimplexType
{
  CD_Point,
  CD_Segment,
  CD_Triangle,
  CD_Tetrahedron,
  CD_None
};
 
struct CD_SimplexKeptPoints
{
  char b1, b2, b3, b4;
 
  CD_SimplexType type;
 
  inline CD_SimplexKeptPoints()
  {
    b1 = b2 = b3 = b4 = -1;
  }
 
  inline char & operator[](unsigned char i)
  {
    return ((i == 0) ? b1 : (i == 1) ? b2 : (i == 2) ? b3 : b4);
  }
 
  inline const char & operator[](unsigned char i) const
  {
    return ((i == 0) ? b1 : (i == 1) ? b2 : (i == 2) ? b3 : b4);
  }
 
  void reset()
  {
    b1 = b2 = b3 = b4 = -1;
  }
};
 
class CD_Simplex
{
public:
  SCH_API CD_Simplex(const CD_Simplex & rhs);
 
  SCH_API CD_Simplex(const Point3 & p);
  SCH_API CD_Simplex(const Point3 & p1, const Point3 & p2);
  SCH_API CD_Simplex(const Point3 & p1, const Point3 & p2, const Point3 & p3);
  SCH_API CD_Simplex(const Point3 & p1, const Point3 & p2, const Point3 & p3, const Point3 & p4);
 
  SCH_API virtual ~CD_Simplex();
 
  SCH_API CD_SimplexType getType() const;
 
  SCH_API const Point3 & operator[](unsigned char) const;
  SCH_API Point3 & operator[](unsigned char);
 
  SCH_API CD_Simplex & operator=(const CD_Simplex & s);
  SCH_API CD_Simplex & operator=(const Point3 & p);
 
  SCH_API bool operator==(const CD_Simplex & s);
  SCH_API bool operator!=(const CD_Simplex & s);
 
  SCH_API CD_Simplex & operator+=(const Point3 &);
 
  SCH_API CD_Simplex operator+(const Point3 &) const;
 
  SCH_API virtual void filter(const CD_SimplexKeptPoints & k);
 
  SCH_API Scalar squareDistanceAtOrigin(const Vector3 & v) const;
 
  SCH_API void updateVectors();
 
  SCH_API const Vector3 & AB() const;
 
  SCH_API const Vector3 & AC() const;
 
  SCH_API const Vector3 & AD() const;
 
protected:
  CD_SimplexType type_;
 
  Point3 s1_, s2_, s3_, s4_;
  Vector3 ab_, ac_, ad_;
 
  static const Scalar zero_;
  static const Scalar zero2_;
  static const Scalar zero3_;
  static const Scalar zero4_;
};
 
#include "CD_Simplex.hxx"
} // namespace sch
#endif