shape.h
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	#ifndef __SHAPE_H__
	#define __SHAPE_H__

	#include "vect3d.h"

	/* basic graphical object class */

	typedef unsigned int sid_t;

	struct render_s
	{
	unsigned char update:1;
	unsigned char render:1;
	unsigned char static_r:1;

	unsigned char null:5; // TODO void to fill
	};

	const struct render_s def_render_flags = {1, 1, 0, 0};

	class Shape
	{

	public:

	Shape( sid_t sid,
	const std::string &label = "",
	const struct render_s *flags = 0);

	~Shape();

	sid_t sid() const;

	std::string label() const;

	bool isUpdating() const;

	bool isRendering() const;

	struct render_s* getFlags(struct render_s *flags);

	void setUpdate(bool flag);

	void setRender(bool flag);

	void setFlags(const struct render_s *flags);

	/* update call to graphical engine */
	virtual void render() const;

	/* returs the centre position */
	virtual const Vector& position() const = 0;

	/* sets a new centre position */
	virtual void setPosition(const Vector& centre) = 0;

	/* updates the centre position relatively to the old one */
	virtual void move(const Vector& delta) = 0;

	/* update component */
	virtual void update(const float &dt) = 0;

	private:

	/* technical informations */

	sid_t _sid;

	std::string _label;

	struct render_s flags;

	/* graphical components */

	// TODO
	};

	#endif