/** @file Particle.hpp
 *
 *  @author Cory Alexander Balaton (coryab)
 *  @author Janita Ovidie Sandtrøen Willumsen (janitaws)
 *
 *  @version 0.1
 *
 *  @brief A class that holds the properties of a particle.
 *
 *  @bug No known bugs
 * */
#ifndef __PARTICLE__
#define __PARTICLE__

#include <armadillo>

#include "constants.hpp"
#include "typedefs.hpp"

/** @brief A class that holds attributes of a particle
 * */
class Particle
{
private:
    vec_3d r_vec; ///< position
    vec_3d v_vec; ///< velocity
    double q;     ///< Charge
    double m;     ///< Mass

public:
    /** @brief Initialize the particle.
     *
     *  @details Initialize the particle with a charge, mass, position and
     *  velocity.
     *
     *  @param q The charge of the particle
     *  @param m The mass of the particle
     *  @param r_vec The initial position of the particle
     *  @param v_vec The initial velocity of the particle
     * */
    Particle(vec_3d r_vec, vec_3d v_vec, double q = CA_CHARGE,
             double m = CA_MASS);

    /** @brief Make private attributes available for PenningTrap.
     * */
    friend class PenningTrap;
};

#endif