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SbVec2f.h

00001 #ifndef COIN_SBVEC2F_H
00002 #define COIN_SBVEC2F_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2006 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 COIN_DLL_API SbVec2f {
00032 public:
00033   SbVec2f(void);
00034   SbVec2f(const float v[2]);
00035   SbVec2f(const float x, const float y);
00036   float dot(const SbVec2f & v) const;
00037   SbBool equals(const SbVec2f & v, const float tolerance) const;
00038   const float * getValue(void) const;
00039   void getValue(float & x, float & y) const;
00040   float length(void) const;
00041   void negate(void);
00042   float normalize(void);
00043   SbVec2f & setValue(const float v[2]);
00044   SbVec2f & setValue(const float x, const float y);
00045   float & operator [] (const int i);
00046   const float & operator [] (const int i) const;
00047   SbVec2f & operator *= (const float d);
00048   SbVec2f & operator /= (const float d);
00049   SbVec2f & operator += (const SbVec2f & u);
00050   SbVec2f & operator -= (const SbVec2f & u);
00051   SbVec2f operator-(void) const;
00052 
00053   friend COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d);
00054   friend COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v);
00055   friend COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d);
00056   friend COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2);
00057   friend COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2);
00058   friend COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2);
00059   friend COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2);
00060 
00061   void print(FILE * fp) const;
00062 
00063 private:
00064   float vec[2];
00065 };
00066 
00067 COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d);
00068 COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v);
00069 COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d);
00070 COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2);
00071 COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2);
00072 COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2);
00073 COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2);
00074 
00075 // *************************************************************************
00076 
00077 #endif // !COIN_SBVEC2F_H

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

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