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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) 1998-2005 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 <URL:http://www.coin3d.org/> for more information. 00021 * 00022 * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00023 * <URL:http://www.sim.no/>. 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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