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#ifndef VEC2_H
#define VEC2_H
#include <iostream>
#include "fml.h"
namespace fml {
class vec2 {
public:
scalar v[2];
public:
vec2();
vec2(scalar x);
vec2(scalar x, scalar y);
scalar &operator[](int index);
scalar operator[](int index) const;
vec2 operator*(scalar scale) const;
vec2 operator/(scalar scale) const;
vec2 operator+(const vec2 &other) const;
vec2 operator-(const vec2 &other) const;
vec2 operator-() const;
const vec2 &operator*=(scalar scale);
const vec2 &operator/=(scalar scale);
const vec2 &operator+=(const vec2 &other);
const vec2 &operator-=(const vec2 &other);
scalar magnitude() const;
scalar magnitudeSquared() const;
vec2 normalize() const;
vec2 rotateby(scalar angle);
scalar dot(const vec2 &other) const;
};
vec2 operator*(scalar scale, const vec2 &v);
std::ostream &operator<<(std::ostream &output, const vec2 &v);
std::istream &operator>>(std::istream &input, vec3 &v);
}
#endif
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