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SbVec3f.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_SBVEC3F_H 00021 #define COIN_SBVEC3F_H 00022 00023 #include <stdio.h> 00024 00025 #include <Inventor/SbBasic.h> 00026 00027 class SbPlane; 00028 00029 class COIN_DLL_API SbVec3f { 00030 public: 00031 SbVec3f(void); 00032 SbVec3f(const float v[3]); 00033 SbVec3f(const float x, const float y, const float z); 00034 SbVec3f(const SbPlane & p0, const SbPlane & p1, const SbPlane & p2); 00035 SbVec3f cross(const SbVec3f & v) const; 00036 float dot(const SbVec3f & v) const; 00037 SbBool equals(const SbVec3f & v, const float tolerance) const; 00038 SbVec3f getClosestAxis(void) const; 00039 const float * getValue(void) const; 00040 void getValue(float & x, float & y, float & z) const; 00041 float length(void) const; 00042 float sqrLength() const; 00043 void negate(void); 00044 float normalize(void); 00045 SbVec3f & setValue(const float v[3]); 00046 SbVec3f & setValue(const float x, const float y, const float z); 00047 SbVec3f & setValue(const SbVec3f & barycentric, 00048 const SbVec3f & v0, 00049 const SbVec3f & v1, 00050 const SbVec3f & v2); 00051 float & operator [](const int i); 00052 const float & operator [](const int i) const; 00053 SbVec3f & operator *=(const float d); 00054 SbVec3f & operator /=(const float d); 00055 SbVec3f & operator +=(const SbVec3f & u); 00056 SbVec3f & operator -=(const SbVec3f & u); 00057 SbVec3f operator-(void) const; 00058 friend COIN_DLL_API SbVec3f operator *(const SbVec3f & v, const float d); 00059 friend COIN_DLL_API SbVec3f operator *(const float d, const SbVec3f & v); 00060 friend COIN_DLL_API SbVec3f operator /(const SbVec3f & v, const float d); 00061 friend COIN_DLL_API SbVec3f operator +(const SbVec3f & v1, const SbVec3f & v2); 00062 friend COIN_DLL_API SbVec3f operator -(const SbVec3f & v1, const SbVec3f & v2); 00063 friend COIN_DLL_API int operator ==(const SbVec3f & v1, const SbVec3f & v2); 00064 friend COIN_DLL_API int operator !=(const SbVec3f & v1, const SbVec3f & v2); 00065 00066 void print(FILE * fp) const; 00067 00068 private: 00069 float vec[3]; 00070 }; 00071 00072 COIN_DLL_API SbVec3f operator *(const SbVec3f & v, const float d); 00073 COIN_DLL_API SbVec3f operator *(const float d, const SbVec3f & v); 00074 COIN_DLL_API SbVec3f operator /(const SbVec3f & v, const float d); 00075 COIN_DLL_API SbVec3f operator +(const SbVec3f & v1, const SbVec3f & v2); 00076 COIN_DLL_API SbVec3f operator -(const SbVec3f & v1, const SbVec3f & v2); 00077 COIN_DLL_API int operator ==(const SbVec3f & v1, const SbVec3f & v2); 00078 COIN_DLL_API int operator !=(const SbVec3f & v1, const SbVec3f & v2); 00079 00080 00081 /* inlined methods ********************************************************/ 00082 00083 inline float & 00084 SbVec3f::operator [](const int i) 00085 { 00086 return this->vec[i]; 00087 } 00088 00089 inline const float & 00090 SbVec3f::operator [](const int i) const 00091 { 00092 return this->vec[i]; 00093 } 00094 00095 00096 #endif // !COIN_SBVEC3F_H

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