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#ifndef UPDATE_H
#define UPDATE_H

#include <iostream>
#include <vector>
#include <GL/gl.h>

#include "../include/matrix.h"

namespace gravwars {

const double PI = 3.14159;

typedef Vector3 Vertex3;

class Entity {
	public:
		Vertex3 pos;
		int glIndex;
};

class DirectedEntity : public Entity {
	public:
		Vector3 forwards;
		Vector3 up;
		Vector3 right; //negative x
		
		void rotate( double theta, const Vector3& axis );
};

class Planet : public Entity {
	public:
		double radius;
		double mass;
		float r, g, b;
};

class Ship : public DirectedEntity {
	private:
		Vector3 rotSensitivity;
		Vector accel, vel;
		Vector3 rotateRate; // corresponds to pitch, yaw, and roll in that order

	public:
		Ship();

		double mass;
	
		void thrustOn();
		void thrustOff();
		void upOn();
		void upOff();
		void downOn();
		void downOff();
		void leftOn();
		void leftOff();
		void rightOn();
		void rightOff();
		void moveTime( double dtime );
};

// singleton class
class Space {
	private:
		static int glIndexCounter;
	
	public:
		static vector<Ship> ships;
		static vector<Planet> planets;

		static Vector3 max; //bounding planes of space
		static Vector3 min;

		static int nextIndex();
		static void addPlanet(	double x, double y, double z,
								double radius, double mass,
								float r, float g, float b );

		static void init();
		static void destroy();
};

} // namespace

#endif