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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) by Kongsberg Oil & Gas Technologies. 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 Kongsberg Oil & Gas Technologies 00018 * about acquiring a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, 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 #ifndef NDEBUG 00031 #include <Inventor/errors/SoDebugError.h> 00032 #endif // !NDEBUG 00033 00034 class SbPlane; 00035 class SbVec3d; 00036 class SbVec3b; 00037 class SbVec3s; 00038 class SbVec3i32; 00039 00040 class COIN_DLL_API SbVec3f { 00041 public: 00042 SbVec3f(void) { } 00043 SbVec3f(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; } 00044 SbVec3f(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; } 00045 explicit SbVec3f(const SbVec3d & v) { setValue(v); } 00046 explicit SbVec3f(const SbVec3b & v) { setValue(v); } 00047 explicit SbVec3f(const SbVec3s & v) { setValue(v); } 00048 explicit SbVec3f(const SbVec3i32 & v) { setValue(v); } 00049 SbVec3f(const SbPlane & p0, const SbPlane & p1, const SbPlane & p2); 00050 00051 SbVec3f & setValue(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; return *this; } 00052 SbVec3f & setValue(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; return *this; } 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 SbVec3f & setValue(const SbVec3b & v); 00059 SbVec3f & setValue(const SbVec3s & v); 00060 SbVec3f & setValue(const SbVec3i32 & v); 00061 00062 const float * getValue(void) const { return vec; } 00063 void getValue(float & x, float & y, float & z) const { x = vec[0]; y = vec[1]; z = vec[2]; } 00064 00065 float & operator [] (int i) { return vec[i]; } 00066 const float & operator [] (int i) const { return vec[i]; } 00067 00068 SbBool equals(const SbVec3f & v, float tolerance) const; 00069 SbVec3f cross(const SbVec3f & v) const; 00070 float dot(const SbVec3f & v) const { return vec[0] * v[0] + vec[1] * v[1] + vec[2] * v[2]; } 00071 SbVec3f getClosestAxis(void) const; 00072 float length(void) const; 00073 float sqrLength(void) const { return vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2]; } 00074 float normalize(void); 00075 void negate(void) { vec[0] = -vec[0]; vec[1] = -vec[1]; vec[2] = -vec[2]; } 00076 00077 SbVec3f & operator *= (float d) { vec[0] *= d; vec[1] *= d; vec[2] *= d; return *this; } 00078 SbVec3f & operator /= (float d) { SbDividerChk("SbVec3f::operator/=(float)", d); return operator *= (1.0f / d); } 00079 SbVec3f & operator += (const SbVec3f & v) { vec[0] += v[0]; vec[1] += v[1]; vec[2] += v[2]; return *this; } 00080 SbVec3f & operator -= (const SbVec3f & v) { vec[0] -= v[0]; vec[1] -= v[1]; vec[2] -= v[2]; return *this; } 00081 SbVec3f operator - (void) const { return SbVec3f(-vec[0], -vec[1], -vec[2]); } 00082 00083 void print(FILE * fp) const; 00084 00085 protected: 00086 float vec[3]; 00087 00088 }; // SbVec3f 00089 00090 COIN_DLL_API inline SbVec3f operator * (const SbVec3f & v, float d) { 00091 SbVec3f val(v); val *= d; return val; 00092 } 00093 00094 COIN_DLL_API inline SbVec3f operator * (float d, const SbVec3f & v) { 00095 SbVec3f val(v); val *= d; return val; 00096 } 00097 00098 COIN_DLL_API inline SbVec3f operator / (const SbVec3f & v, float d) { 00099 SbDividerChk("operator/(SbVec3f,float)", d); 00100 SbVec3f val(v); val /= d; return val; 00101 } 00102 00103 COIN_DLL_API inline SbVec3f operator + (const SbVec3f & v1, const SbVec3f & v2) { 00104 SbVec3f v(v1); v += v2; return v; 00105 } 00106 00107 COIN_DLL_API inline SbVec3f operator - (const SbVec3f & v1, const SbVec3f & v2) { 00108 SbVec3f v(v1); v -= v2; return v; 00109 } 00110 00111 COIN_DLL_API inline int operator == (const SbVec3f & v1, const SbVec3f & v2) { 00112 return ((v1[0] == v2[0]) && (v1[1] == v2[1]) && (v1[2] == v2[2])); 00113 } 00114 00115 COIN_DLL_API inline int operator != (const SbVec3f & v1, const SbVec3f & v2) { 00116 return !(v1 == v2); 00117 } 00118 00119 #endif // !COIN_SBVEC3F_H
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