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system.h
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system.h
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/* Copyright (c) 2017 By the Authors
*
* This file is part of Orbit Simulator.
Orbit Simulator is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Orbit Simulator is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Orbit Simulator. If not, see <http://www.gnu.org/licenses/>.
*
* */
#ifndef ORBIT3D_SYSTEM_H
#define ORBIT3D_SYSTEM_H
#include <vector>
#include <string>
#include "body.h"
#include "vector3.h"
class System {
std::vector<std::string> self_names;
std::vector<Body> self_bodies;
long self_n;
Vector3 acceleration(const Body& body1, const Body& body2) const;
Vector3 nodal_correction(const Body& body1, const Body& body2) const;
double potential_energy(Body body1, Body body2) const;
double get_total_potential_energy() const;
double get_total_kinetic_energy() const;
public:
void set_param(std::vector<std::string> names, std::vector<Vector3> pos0,
std::vector<Vector3> vel0, std::vector<double> gms, std::vector<double> radii, std::vector<double> j2s);
std::vector<Vector3> get_positions() const;
std::vector<Vector3> get_velocities() const;
std::vector<Vector3> get_accelerations() const;
Vector3 get_total_momentum() const;
Vector3 get_total_angular_momentum () const;
void set_positions(const std::vector<Vector3>& positions);
void set_velocities(const std::vector<Vector3>& velocities);
long get_number_of_bodies() const{ return self_n; }
double get_total_mechanical_energy () const;
};
#endif //ORBIT3D_SYSTEM_H