math/Vector2.h

   1 #ifndef AWFUL_MATH_VECTOR2_H_
   2 #define AWFUL_MATH_VECTOR2_H_
   3
   4 #include "core/core.h"
   5
   6 namespace awful { namespace math
   7 {
   8         struct Vector2
   9         {
  10                 Vector2() :
  11                         m_x( 0.f ),
  12                         m_y( 0.f )
  13                 {
  14                 }
  15
  16                 Vector2( float x_, float y_ ) :
  17                         m_x( x_ ),
  18                         m_y( y_ )
  19                 {
  20                 }
  21
  22                 float& x() { return m_x; }
  23                 float& y() { return m_y; }
  24                 const float& x() const { return m_x; }
  25                 const float& y() const { return m_y; }
  26
  27                 Vector2 operator+( const Vector2& b ) const
  28                 {
  29                         return Vector2( m_x + b.m_x, m_y + b.m_y );
  30                 }
  31
  32                 Vector2 operator-( const Vector2& b ) const
  33                 {
  34                         return Vector2( m_x - b.m_x, m_y - b.m_y );
  35                 }
  36
  37                 const Vector2& operator+=( const Vector2& b )
  38                 {
  39                         m_x += b.m_x;
  40                         m_y += b.m_y;
  41                         return *this;
  42                 }
  43
  44                 const Vector2& operator-=( const Vector2& b )
  45                 {
  46                         m_x -= b.m_x;
  47                         m_y -= b.m_y;
  48                         return *this;
  49                 }
  50
  51                 bool operator==( const Vector2& b ) const
  52                 {
  53                         return m_x == b.m_x && m_y == b.m_y;
  54                 }
  55
  56                 private:
  57                         float m_x;
  58                         float m_y;
  59         };
  60 }}
  61
  62 #endif