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#ifndef COORDINATES_H_A45D34FB
#define COORDINATES_H_A45D34FB
template <typename T>
class vec2 {
public:
T coords[2];
vec2() = default;
vec2(double x, double y) : coords{x, y}
{
}
inline T& x()
{
return coords[0];
}
inline const T& x() const
{
return coords[0];
}
inline T& w()
{
return coords[0];
}
inline const T& w() const
{
return coords[0];
}
inline T& y()
{
return coords[1];
}
inline const T& y() const
{
return coords[1];
}
inline T& h()
{
return coords[1];
}
inline const T& h() const
{
return coords[1];
}
template <typename R>
operator vec2<R>() const
{
return vec2<R>(x(), y());
}
vec2 operator+(const vec2& other) const
{
return vec2(x() + other.x(), y() + other.y());
}
vec2& operator+=(const vec2& other)
{
x() += other.x();
y() += other.y();
return *this;
}
vec2 operator-(const vec2& other) const
{
return vec2(x() - other.x(), y() - other.y());
}
vec2 operator-=(const vec2& other)
{
x() -= other.x();
y() -= other.y();
return *this;
}
vec2 operator-() const
{
return vec2(-x(), -y());
}
vec2 operator*(double s) const
{
return vec2(x() * s, y() * s);
}
vec2& operator*=(double s)
{
x() *= s;
y() *= s;
return *this;
}
};
using vec2d = vec2<double>;
using vec2i = vec2<int>;
#endif /* end of include guard: COORDINATES_H_A45D34FB */
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