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SFVec3f.h

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00001 
00002 //                            SFVec3f.h                                       //
00004 
00005 #ifndef VECTOR3F_H
00006 #define VECTOR3F_H
00007 
00008 #include "Platform.h"
00009 
00010 #include <math.h>
00011 #include <iostream>
00012 
00013 namespace X3DTK {
00014 
00015 class SFString;
00016 class SFPoint3f;
00017 
00021 
00022 class SFVec3f
00023 {
00024 public:
00026   float x;
00028   float y;
00030   float z;
00031 
00033   SFVec3f();
00035   SFVec3f(float x, float y, float z);
00037   SFVec3f(const SFVec3f &v);
00039   SFVec3f &operator= (const SFVec3f &v);
00041   SFVec3f &operator+= (const SFVec3f &v);
00043   SFVec3f &operator-= (const SFVec3f &v);
00045   explicit SFVec3f(const SFString &s); 
00047   explicit SFVec3f(const SFPoint3f &P);
00048   
00050   friend bool operator== (const SFVec3f &v1, const SFVec3f &v2);
00052   friend bool operator!= (const SFVec3f &v1, const SFVec3f &v2);
00054   friend SFVec3f operator+ (const SFVec3f &v1, const SFVec3f &v2);
00056   friend SFVec3f operator- (const SFVec3f &v1, const SFVec3f &v2);
00058   friend float operator* (const SFVec3f &v1, const SFVec3f &v2);
00060   friend SFVec3f operator* (const float a, const SFVec3f &v);
00062   friend SFVec3f crossprod(const SFVec3f &v1, const SFVec3f &v2);
00064   float norm() const;
00066   SFVec3f normalize();
00068   SFVec3f normalized() const;
00070   inline float *f_data() {return &x;};
00072   inline const float *f_data() const {return &x;};
00074   static const SFVec3f null;
00075 };
00076 
00077 }
00078 
00079 #endif

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