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#ifndef ENGINE_CELESTIAL_OBJECT_H
#define ENGINE_CELESTIAL_OBJECT_H
#include <glm/glm.hpp>
class Texture;
class Mesh;
class CelestialObject {
Texture *texture;
static Mesh *sphere;
static Mesh *circle;
/* 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 object_radius;
float tilt_angle;
public:
CelestialObject(Texture *t)
: texture(t) { }
static void InitializeMesh();
void SetPeriod(float a_orbital, float a_rotation);
void SetRadius(float object_r, float orbital_r);
void SetTilt(float angle);
void SetPosition(glm::vec3 orbital);
void Draw(float time, float game_speed, unsigned int model_loc);
};
#endif /* ENGINE_CELESTIAL_OBJECT_H */
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