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SbVec3f.h

00001 #ifndef COIN_SBVEC3F_H
00002 #define COIN_SBVEC3F_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 
00029 #include <Inventor/SbBasic.h>
00030 
00031 class SbPlane;
00032 class SbVec3d;
00033 
00034 class COIN_DLL_API SbVec3f {
00035 public:
00036   SbVec3f(void) { }
00037   SbVec3f(const float v[3]);
00038   SbVec3f(const float x, const float y, const float z);
00039   SbVec3f(const SbPlane & p0, const SbPlane & p1, const SbPlane & p2);
00040   SbVec3f(const SbVec3d & v);
00041   SbVec3f cross(const SbVec3f & v) const;
00042   float dot(const SbVec3f & v) const;
00043   SbBool equals(const SbVec3f & v, const float tolerance) const;
00044   SbVec3f getClosestAxis(void) const;
00045   const float * getValue(void) const;
00046   void getValue(float & x, float & y, float & z) const;
00047   float length(void) const;
00048   float sqrLength() const;
00049   void negate(void);
00050   float normalize(void);
00051   SbVec3f & setValue(const float v[3]);
00052   SbVec3f & setValue(const float x, const float y, const float z);
00053   SbVec3f & setValue(const SbVec3f & barycentric,
00054                      const SbVec3f & v0,
00055                      const SbVec3f & v1,
00056                      const SbVec3f & v2);
00057   SbVec3f & setValue(const SbVec3d & v);
00058   float & operator [](const int i);
00059   const float & operator [](const int i) const;
00060   SbVec3f & operator *=(const float d);
00061   SbVec3f & operator /=(const float d);
00062   SbVec3f & operator +=(const SbVec3f & u);
00063   SbVec3f & operator -=(const SbVec3f & u);
00064   SbVec3f operator-(void) const;
00065   friend COIN_DLL_API SbVec3f operator *(const SbVec3f & v, const float d);
00066   friend COIN_DLL_API SbVec3f operator *(const float d, const SbVec3f & v);
00067   friend COIN_DLL_API SbVec3f operator /(const SbVec3f & v, const float d);
00068   friend COIN_DLL_API SbVec3f operator +(const SbVec3f & v1, const SbVec3f & v2);
00069   friend COIN_DLL_API SbVec3f operator -(const SbVec3f & v1, const SbVec3f & v2);
00070   friend COIN_DLL_API int operator ==(const SbVec3f & v1, const SbVec3f & v2);
00071   friend COIN_DLL_API int operator !=(const SbVec3f & v1, const SbVec3f & v2);
00072 
00073   void print(FILE * fp) const;
00074 
00075 private:
00076   float vec[3];
00077 };
00078 
00079 COIN_DLL_API SbVec3f operator *(const SbVec3f & v, const float d);
00080 COIN_DLL_API SbVec3f operator *(const float d, const SbVec3f & v);
00081 COIN_DLL_API SbVec3f operator /(const SbVec3f & v, const float d);
00082 COIN_DLL_API SbVec3f operator +(const SbVec3f & v1, const SbVec3f & v2);
00083 COIN_DLL_API SbVec3f operator -(const SbVec3f & v1, const SbVec3f & v2);
00084 COIN_DLL_API int operator ==(const SbVec3f & v1, const SbVec3f & v2);
00085 COIN_DLL_API int operator !=(const SbVec3f & v1, const SbVec3f & v2);
00086 
00087 
00088 /* inlined methods ********************************************************/
00089 
00090 inline float &
00091 SbVec3f::operator [](const int i)
00092 {
00093   return this->vec[i];
00094 }
00095 
00096 inline const float &
00097 SbVec3f::operator [](const int i) const
00098 {
00099   return this->vec[i];
00100 }
00101 
00102 #endif // !COIN_SBVEC3F_H

Copyright © 1998-2005 by Systems in Motion AS. All rights reserved.

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