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LibN2L-4 Library Code ReferenceClassesCompounds Files Members Method Index Full Reference cVector2.hGo to the documentation of this file.00001 /************************************************************************ 00002 Nova-2 Library (libN2L, or simply n2l) Game development C++ Library 00003 Copyright (C) 2002 Aaron Cameron 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Lesser General Public License for more details. 00014 00015 You should have received a copy of the GNU Lesser General Public 00016 License along with this library; if not, write to the Free Software 00017 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00018 00019 A copy of the GNU Lesser General Public License has been provided with 00020 this library in the file 'COPYING'. 00021 00022 Contact information for the author of this library has been provided 00023 with this library in the file 'AUTHOR'. 00024 ************************************************************************/ 00025 00026 #ifndef _n2l4_cVector2_h 00027 #define _n2l4_cVector2_h 00028 00029 #include <math.h> 00030 #include <GL/gl.h> 00031 00032 /******************************************************************************/ 00033 namespace n2l 00034 { 00035 template <class T1, class T2, class T3> 00036 class cVector3; 00037 00042 template < class TComponent, class TComponentDiff, class TMagnitude> 00043 class cVector2 00044 { 00045 public: 00046 typedef cVector2<TComponent,TComponentDiff,TMagnitude> tThisVector; 00047 typedef TComponent tComponent; 00048 typedef TComponentDiff tComponentDiff; 00049 typedef TMagnitude tMagnitude; 00050 00051 typedef cVector2<TComponentDiff,TComponentDiff,TMagnitude> tVectorDiff; 00052 00053 friend class cVector3<TComponent,TComponentDiff,TMagnitude>; 00054 00055 // Constructors 00056 /**********************************************************************/ 00057 cVector2() 00058 { 00059 mComp[0] = 0; 00060 mComp[1] = 0; 00061 } 00062 00063 /**********************************************************************/ 00064 cVector2( const tThisVector & iV ) 00065 { 00066 mComp[0] = iV.mComp[0]; 00067 mComp[1] = iV.mComp[1]; 00068 } 00069 00070 /**********************************************************************/ 00071 cVector2( const tComponent iX, 00072 const tComponent iY ) 00073 { 00074 mComp[0] = iX; 00075 mComp[1] = iY; 00076 } 00077 00078 /**********************************************************************/ 00079 template <typename TOtherVector> 00080 cVector2( const TOtherVector & iV ) 00081 { 00082 mComp[0] = tComponent(iV.x()); 00083 mComp[1] = tComponent(iV.y()); 00084 } 00085 00086 /**********************************************************************/ 00087 ~cVector2() {} 00088 00089 00090 /**********************************************************************/ 00091 // Assignments 00092 tThisVector & setX( const tComponent i_x ) { mComp[0] = i_x; return *this; } 00093 tThisVector & setY( const tComponent i_y ) { mComp[1] = i_y; return *this; } 00094 00095 tComponent & x( const tComponent i_x ) { mComp[0] = i_x; return mComp[0]; } 00096 tComponent & y( const tComponent i_y ) { mComp[1] = i_y; return mComp[1]; } 00097 00098 /**********************************************************************/ 00099 tThisVector & operator =( const tThisVector & iV ) 00100 { 00101 mComp[0] = iV.mComp[0]; 00102 mComp[1] = iV.mComp[1]; 00103 return *this; 00104 } 00105 00106 /**********************************************************************/ 00107 void set( const tComponent i_x, const tComponent i_y ) 00108 { 00109 mComp[0] = i_x; mComp[1] = i_y; 00110 } 00111 00112 /**********************************************************************/ 00113 // Views 00114 const tComponent getX() const { return mComp[0]; } 00115 const tComponent getY() const { return mComp[1]; } 00116 00117 const tComponent & x() const { return mComp[0]; } 00118 const tComponent & y() const { return mComp[1]; } 00119 00120 tComponent & x() { return mComp[0]; } 00121 tComponent & y() { return mComp[1]; } 00122 00123 /**********************************************************************/ 00124 void get( tComponent & o_x, tComponent & o_y ) const 00125 { 00126 o_x = mComp[0]; o_y = mComp[1]; 00127 } 00128 00129 /**********************************************************************/ 00130 const tVectorDiff operator +( const tThisVector & i_v ) const 00131 { 00132 return tVectorDiff(mComp[0]+i_v.mComp[0], mComp[1]+i_v.mComp[1]); 00133 } 00134 00135 00136 /**********************************************************************/ 00137 const tVectorDiff operator -( const tThisVector & i_v ) const 00138 { 00139 return tVectorDiff(mComp[0]-i_v.mComp[0], mComp[1]-i_v.mComp[1]); 00140 } 00141 00142 00143 /**********************************************************************/ 00144 const tThisVector operator *( const tMagnitude i_mag ) const 00145 { 00146 return tThisVector(mComp[0]*i_mag,mComp[1]*i_mag); 00147 } 00148 00149 00150 /**********************************************************************/ 00151 void operator *=( const tMagnitude i_mag ) 00152 { 00153 mComp[0]*=i_mag; 00154 mComp[1]*=i_mag; 00155 } 00156 00157 00158 /**********************************************************************/ 00159 const tThisVector operator /( const tMagnitude i_mag ) const 00160 { 00161 return tThisVector(mComp[0]/i_mag,mComp[1]/i_mag); 00162 } 00163 00164 00165 /**********************************************************************/ 00166 const tThisVector operator *( const tThisVector & iV ) const 00167 { 00168 return tThisVector(mComp[0]*iV.mComp[0], mComp[1]*iV.mComp[1]); 00169 } 00170 00171 /**********************************************************************/ 00172 const tThisVector operator /( const tThisVector & iV ) const 00173 { 00174 return tThisVector(mComp[0]/iV.mComp[0], mComp[1]/iV.mComp[1]); 00175 } 00176 00177 /**********************************************************************/ 00178 const tMagnitude magnitude() const 00179 { 00180 return sqrt( mComp[0]*mComp[0] + mComp[1]*mComp[1] ); 00181 } 00182 00183 /**********************************************************************/ 00184 const tMagnitude maxComp() const { 00185 return n2lMax(mComp[0],mComp[1]); 00186 } 00187 00188 /**********************************************************************/ 00189 // Show this vector how to become its difference 00190 operator tVectorDiff() const { 00191 return tVectorDiff(mComp[0],mComp[1]); 00192 } 00193 00194 00195 /**********************************************************************/ 00196 template <typename TOtherVector> 00197 void operator -=( const TOtherVector & iOtherVector ) 00198 { 00199 mComp[0] -= iOtherVector.x(); 00200 mComp[1] -= iOtherVector.y(); 00201 } 00202 00203 00204 /**********************************************************************/ 00205 template <typename TOtherVector> 00206 void operator +=( const TOtherVector & iOtherVector ) 00207 { 00208 mComp[0] += iOtherVector.x(); 00209 mComp[1] += iOtherVector.y(); 00210 } 00211 00212 00213 /**********************************************************************/ 00214 template <typename TOtherVector> 00215 void operator *=( const TOtherVector & iOtherVector ) 00216 { 00217 mComp[0] *= iOtherVector.x(); 00218 mComp[1] *= iOtherVector.y(); 00219 } 00220 00221 /**********************************************************************/ 00222 template <typename TOtherVector> 00223 const tBool operator ==( const TOtherVector & iOtherVector ) 00224 { 00225 return (mComp[0]==iOtherVector.x() && mComp[1]==iOtherVector.y()); 00226 } 00227 00228 /**********************************************************************/ 00229 /**********************************************************************/ 00230 template <typename TOtherVector> 00231 const tBool operator !=( const TOtherVector & iOtherVector ) 00232 { 00233 return (mComp[0]!=iOtherVector.x() || mComp[1]!=iOtherVector.y()); 00234 } 00235 00236 /**********************************************************************/ 00237 const tString dump() const { 00238 tString str("tVector2("); 00239 str += asString(mComp[0]); 00240 str += ","; 00241 str += asString(mComp[1]); 00242 str += ")"; 00243 return str; 00244 } 00245 00246 00247 /**********************************************************************/ 00248 void glVertex2f() const 00249 { 00250 ::glVertex2fv( mComp ); 00251 } 00252 00253 /**********************************************************************/ 00254 void glVertex3f() const 00255 { 00256 ::glVertex3f( mComp[0],mComp[1],0.0f ); 00257 } 00258 00259 /**********************************************************************/ 00260 void glTexCoord2f() const 00261 { 00262 ::glTexCoord2fv( mComp ); 00263 } 00264 00265 /**********************************************************************/ 00266 void glTranslatef() const 00267 { 00268 ::glTranslatef( mComp[0], mComp[1], 0.0f ); 00269 } 00270 00271 protected: 00272 00273 private: 00274 tComponent mComp[2]; 00275 00276 }; // class 00277 00278 } // namespace n2l 00279 00280 00281 00282 #endif |