SFPoint2f.h

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00001 #ifndef X3DTK_SFPOINT2F_H
00002 #define X3DTK_SFPOINT2F_H
00003 
00004 #include "SFVec2f.h"
00005 
00006 #include <math.h>
00007 #include <iostream>
00008 
00009 namespace X3DTK {
00010 
00011 class SFString;
00012 
00021 class SFPoint2f
00022 {
00023 public:
00025   float x;
00027   float y;
00028 
00030   SFPoint2f();
00032   SFPoint2f(float x, float y);
00034   SFPoint2f(const SFPoint2f &p);
00036   SFPoint2f &operator= (const SFPoint2f &v);
00038   SFPoint2f &operator+= (const SFVec2f &v);
00040   SFPoint2f &operator+= (const SFPoint2f &v);
00042   SFPoint2f &operator-= (const SFVec2f &v);
00044   explicit SFPoint2f(const SFString &s);
00045   // Conversion from vector to point.
00046   explicit SFPoint2f(const SFVec2f &V);
00048   inline float &operator[](int i) {return (&x)[i];};
00050   inline const float &operator[](int i) const {return (&x)[i];};
00051   
00053   friend SFPoint2f operator+ (const SFPoint2f &v1, const SFVec2f &v2);
00055   friend SFPoint2f operator+ (const SFPoint2f &v1, const SFPoint2f &v2);
00057   friend SFPoint2f operator- (const SFPoint2f &v1, const SFVec2f &v2);
00059   friend SFVec2f operator- (const SFPoint2f &v1, const SFPoint2f &v2);
00061   friend SFPoint2f operator* (const float a, const SFPoint2f &v);
00063   friend float distance(const SFPoint2f &A, const SFPoint2f &B);
00065   inline float *f_data() {return &x;};
00067   inline const float *f_data() const {return &x;};
00069   inline operator float *() {return &x;};
00071   inline operator const float *() const {return &x;};
00073   static const SFPoint2f null;
00074 };
00075 
00076 }
00077 
00078 #endif

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