00001 /*========================================================================= 00002 UberSim Source Code Release 00003 ------------------------------------------------------------------------- 00004 Copyright (C) 2002 Manuela Veloso, Brett Browning, Mike Bowling, 00005 James Bruce; {mmv, brettb, mhb, jbruce}@cs.cmu.edu 00006 Erick Tryzelaar {erickt}@andrew.cmu.edu 00007 School of Computer Science, Carnegie Mellon University 00008 ------------------------------------------------------------------------- 00009 This software is distributed under the GNU General Public License, 00010 version 2. If you do not have a copy of this licence, visit 00011 www.gnu.org, or write: Free Software Foundation, 59 Temple Place, 00012 Suite 330 Boston, MA 02111-1307 USA. This program is distributed 00013 in the hope that it will be useful, but WITHOUT ANY WARRANTY, 00014 including MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00015 -------------------------------------------------------------------------*/ 00016 00017 #ifndef __SIM_VECTOR2_H__ 00018 #define __SIM_VECTOR2_H__ 00019 00020 #include "Math.h" 00026 class Vector2 00027 { 00028 public: 00029 static const Vector2 ZERO; 00030 static const Vector2 UNIT_X; 00031 static const Vector2 UNIT_Y; 00032 00033 public: 00034 Real x; 00035 Real y; 00036 00037 public: 00038 Vector2 (); 00039 Vector2 (Real x, Real y); 00040 Vector2 (const Vector2& vector); 00041 ~Vector2 (); 00042 00043 public: 00044 Real& operator [] (const unsigned int i) const; 00045 operator Real* (); 00046 00047 void operator = (const Vector2& vector); 00048 void operator += (const Real scalar); 00049 void operator += (const Vector2& vector); 00050 void operator -= (const Real scalar); 00051 void operator -= (const Vector2& vector); 00052 void operator *= (const Real scalar); 00053 00054 Vector2 operator + (const Real scalar) const; 00055 Vector2 operator + (const Vector2& vector) const; 00056 Vector2 operator - (const Real scalar) const; 00057 Vector2 operator - (const Vector2& vector) const; 00058 Vector2 operator * (const Real scalar) const; 00059 Vector2 operator / (const Real scalar) const; 00060 00061 friend Vector2 operator + (const Real scalar, const Vector2& vector); 00062 friend Vector2 operator - (const Real scalar, const Vector2& vector); 00063 friend Vector2 operator * (const Real scalar, const Vector2& vector); 00064 00065 public: 00066 Real dot (const Vector2& vector) const; 00067 Real lengthSquared (); 00068 Real length (); 00069 Vector2 unit (); 00070 }; 00071 00072 #endif
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