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SbVec3d.h

00001 #ifndef COIN_SBVEC3D_H
00002 #define COIN_SBVEC3D_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <stdio.h>
00028 #include <Inventor/SbBasic.h>
00029 
00030 class SbVec3f;
00031 
00032 class COIN_DLL_API SbVec3d {
00033 public:
00034   SbVec3d(void) { }
00035   SbVec3d(const double v[3]);
00036   SbVec3d(const double x, const double y, const double z);
00037   SbVec3d(const SbVec3f & v);
00038   SbVec3d cross(const SbVec3d & v) const;
00039   double dot(const SbVec3d & v) const;
00040   SbBool equals(const SbVec3d & v, const double tolerance) const;
00041   SbVec3d getClosestAxis(void) const;
00042   const double * getValue(void) const;
00043   void getValue(double & x, double & y, double & z) const;
00044   double length(void) const;
00045   double sqrLength() const;
00046   void negate(void);
00047   double normalize(void);
00048   SbVec3d & setValue(const double v[3]);
00049   SbVec3d & setValue(const double x, const double y, const double z);
00050   SbVec3d & setValue(const SbVec3d & barycentric,
00051                      const SbVec3d & v0,
00052                      const SbVec3d & v1,
00053                      const SbVec3d & v2);
00054   SbVec3d & setValue(const SbVec3f & v);
00055   double & operator [](const int i);
00056   const double & operator [](const int i) const;
00057   SbVec3d & operator *=(const double d);
00058   SbVec3d & operator /=(const double d);
00059   SbVec3d & operator +=(const SbVec3d & u);
00060   SbVec3d & operator -=(const SbVec3d & u);
00061   SbVec3d operator -(void) const;
00062   friend COIN_DLL_API SbVec3d operator *(const SbVec3d & v, const double d);
00063   friend COIN_DLL_API SbVec3d operator *(const double d, const SbVec3d & v);
00064   friend COIN_DLL_API SbVec3d operator /(const SbVec3d & v, const double d);
00065   friend COIN_DLL_API SbVec3d operator +(const SbVec3d & v1, const SbVec3d & v2);
00066   friend COIN_DLL_API SbVec3d operator -(const SbVec3d & v1, const SbVec3d & v2);
00067   friend COIN_DLL_API int operator ==(const SbVec3d & v1, const SbVec3d & v2);
00068   friend COIN_DLL_API int operator !=(const SbVec3d & v1, const SbVec3d & v2);
00069 
00070   void print(FILE * fp) const;
00071 
00072 private:
00073   double vec[3];
00074 };
00075 
00076 COIN_DLL_API SbVec3d operator *(const SbVec3d & v, const double d);
00077 COIN_DLL_API SbVec3d operator *(const double d, const SbVec3d & v);
00078 COIN_DLL_API SbVec3d operator /(const SbVec3d & v, const double d);
00079 COIN_DLL_API SbVec3d operator +(const SbVec3d & v1, const SbVec3d & v2);
00080 COIN_DLL_API SbVec3d operator -(const SbVec3d & v1, const SbVec3d & v2);
00081 COIN_DLL_API int operator ==(const SbVec3d & v1, const SbVec3d & v2);
00082 COIN_DLL_API int operator !=(const SbVec3d & v1, const SbVec3d & v2);
00083 
00084 
00085 /* inlined methods ********************************************************/
00086 
00087 inline double &
00088 SbVec3d::operator [](const int i)
00089 {
00090   return this->vec[i];
00091 }
00092 
00093 inline const double &
00094 SbVec3d::operator [](const int i) const
00095 {
00096   return this->vec[i];
00097 }
00098 
00099 #endif // !COIN_SBVEC3D_H

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