binfilter/inc/bf_goodies/point3d.hxx

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  30
  31 #ifndef _B2D_POINT3D_HXX
  32 #define _B2D_POINT3D_HXX
  33
  34 #ifndef _STREAM_HXX
  35 #include <tools/stream.hxx>
  36 #endif
  37
  38 #ifndef _SV_GEN_HXX
  39 #include <tools/gen.hxx>
  40 #endif
  41
  42 #ifndef _VECTOR2D_HXX
  43 #include <tools/vector2d.hxx>
  44 #endif
  45
  46 /*************************************************************************
  47 |*
  48 |* homogener 3D-Punkt (x,y,w)
  49 |*
  50 \************************************************************************/
  51
  52 namespace binfilter {
  53 class Point3D
  54 {
  55 protected:
  56     // 3 Dimensinen, X,Y und W
  57     double                                              V[3];
  58
  59 public:
  60     Point3D(double fX = 0.0, double fY = 0.0, double fW = 1.0)
  61         { V[0] = fX; V[1] = fY; V[2] = fW; }
  62
  63     const double& X() const { return V[0]; }
  64     const double& Y() const { return V[1]; }
  65     const double& W() const { return V[2]; }
  66
  67     double& X() { return V[0]; }
  68     double& Y() { return V[1]; }
  69     double& W() { return V[2]; }
  70
  71     const double& operator[] (int nPos) const { return V[nPos]; }
  72     double& operator[] (int nPos) { return V[nPos]; }
  73
  74     // Rechnen untereinander
  75     Point3D&    operator+=      (const Point3D&);
  76     Point3D&    operator-=      (const Point3D&);
  77     Point3D             operator+       (const Point3D&) const;
  78     Point3D             operator-       (const Point3D&) const;
  79     Point3D             operator-       (void) const;
  80     Point3D&    operator*=      (const Point3D&);
  81     Point3D&    operator/=      (const Point3D&);
  82     Point3D             operator*       (const Point3D&) const;
  83     Point3D             operator/       (const Point3D&) const;
  84
  85     // Verschiebung um einen Vektor
  86     Point3D&    operator+=      (const Vector2D&);
  87     Point3D&    operator-=      (const Vector2D&);
  88     Point3D             operator+       (const Vector2D&) const;
  89     Point3D             operator-       (const Vector2D&) const;
  90
  91     // Multiplikation, Division um einen Faktor
  92     Point3D&    operator*=      (double);
  93     Point3D             operator*       (double) const;
  94     Point3D&    operator/=      (double);
  95     Point3D             operator/       (double) const;
  96
  97     BOOL                operator==      (const Point3D&) const;
  98     BOOL                operator!=      (const Point3D&) const;
  99
 100     friend SvStream& operator>>(SvStream& rIStream, Point3D&);
 101     friend SvStream& operator<<(SvStream& rOStream, const Point3D&);
 102 };
 103 }//end of namespace binfilter
 104
 105
 106 #endif          // _B2D_POINT3D_HXX