#ifndef VECTOR_H
#define VECTOR_H VECTOR_H

#include <iostream>

class Vector
{
    public:
        Vector();
        Vector(double x, double y, double z);
        double & operator[](int idx) { return m_array[idx]; }
        double operator[](int idx) const { return m_array[idx]; }
        Vector operator-() const;
        Vector & normalize();
        double mag() const;
        double mag2() const;
        double dist_to(const Vector & other) const;
        Vector proj(const Vector & target) const;
        Vector reflect(const Vector & target) const;

    protected:
        double  m_array[3];
};

std::ostream & operator<<(std::ostream & out, const Vector & v);
double operator%(const Vector & v1, const Vector & v2);
Vector operator*(const Vector & v1, const Vector & v2);
Vector operator+(const Vector & v1, const Vector & v2);
Vector operator-(const Vector & v1, const Vector & v2);
Vector operator*(const Vector & v1, double scale);
Vector operator/(const Vector & v1, double scale);

#endif