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SbVec2f.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SBVEC2F_H 00021 #define COIN_SBVEC2F_H 00022 00023 #include <stdio.h> 00024 00025 #include <Inventor/SbBasic.h> 00026 00027 class COIN_DLL_API SbVec2f { 00028 public: 00029 SbVec2f(void); 00030 SbVec2f(const float v[2]); 00031 SbVec2f(const float x, const float y); 00032 float dot(const SbVec2f & v) const; 00033 SbBool equals(const SbVec2f & v, const float tolerance) const; 00034 const float * getValue(void) const; 00035 void getValue(float & x, float & y) const; 00036 float length(void) const; 00037 void negate(void); 00038 float normalize(void); 00039 SbVec2f & setValue(const float v[2]); 00040 SbVec2f & setValue(const float x, const float y); 00041 float & operator [] (const int i); 00042 const float & operator [] (const int i) const; 00043 SbVec2f & operator *= (const float d); 00044 SbVec2f & operator /= (const float d); 00045 SbVec2f & operator += (const SbVec2f & u); 00046 SbVec2f & operator -= (const SbVec2f & u); 00047 SbVec2f operator-(void) const; 00048 00049 friend COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d); 00050 friend COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v); 00051 friend COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d); 00052 friend COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2); 00053 friend COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2); 00054 friend COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2); 00055 friend COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2); 00056 00057 void print(FILE * fp) const; 00058 00059 private: 00060 float vec[2]; 00061 }; 00062 00063 COIN_DLL_API SbVec2f operator * (const SbVec2f & v, const float d); 00064 COIN_DLL_API SbVec2f operator * (const float d, const SbVec2f & v); 00065 COIN_DLL_API SbVec2f operator / (const SbVec2f & v, const float d); 00066 COIN_DLL_API SbVec2f operator + (const SbVec2f & v1, const SbVec2f & v2); 00067 COIN_DLL_API SbVec2f operator - (const SbVec2f & v1, const SbVec2f & v2); 00068 COIN_DLL_API int operator == (const SbVec2f & v1, const SbVec2f & v2); 00069 COIN_DLL_API int operator != (const SbVec2f & v1, const SbVec2f & v2); 00070 00071 // ************************************************************************* 00072 00073 #endif // !COIN_SBVEC2F_H

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