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#ifndef ENGINE_CELESTIAL_OBJECT_H
#define ENGINE_CELESTIAL_OBJECT_H
#include <glm/glm.hpp>
#include "../xstdlib/xstdlib.hpp"
class Texture;
class Mesh;
class CelestialObject {
Texture *texture;
static Mesh *sphere;
static Mesh *circle;
struct linked_list<CelestialObject> *slaves;
/* time a given astronomical object takes to complete
one orbit around another object */
float orbital_period;
float orbital_speed;
float orbital_radius;
glm::vec3 orbital_pos;
/* time that the objects takes to complete a single revolution
around its axis of rotation relative to the background stars */
float rotation_period;
float rotation_speed;
float rotation_axis_tilt;
float rotation_ecliptic_tilt;
float object_radius;
public:
CelestialObject(Texture *t) : texture(t), slaves(0) { }
static void InitializeMesh();
void SetPeriod(float a_orbital, float a_rotation);
void SetRadius(float object_r, float orbital_r);
void SetTilts(float rot_axis, float rot_ecliptic);
void SetPosition(glm::vec3 orbital);
void AddSlave(CelestialObject *slave);
void Draw(float time, float game_speed, unsigned int model_loc);
};
#endif /* ENGINE_CELESTIAL_OBJECT_H */
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