/*! 
    \file skysphere.h
    \brief Definition of the Skysphere, that handles the Display of an atmosphere of orxonox.

    A SkySphere is always centered at the current working Camera, and will only obey the cameras
    movment but not its rotation.

    \todo self-rotation
    \todo handle reference to parent-object
*/

#ifndef _SKYSPHERE_H
#define _SKYSPHERE_H

/* INCLUDES */
#include "p_node.h"

/* FORWARD DEFINITION */
class Material;
class Vector;

//! A Class to handle a SkySphere
class Skysphere : public PNode 
{

 public:
  Skysphere();
  Skysphere(char* fileName);
  ~Skysphere();

  void setRadius(float radius);
  void setTexture(char* fileName);

  void updatePosition(Vector sphereCenter);
  void draw();

 private: 
  GLUquadricObj *sphereObj; //!< A Placeholder for the SkySphere.
  Material *skyMaterial;    //!< A Material for the SkySphere.
  Vector sphereCenter;      //!< Center of the SkySphere.
  float sphereRadius;       //!< Radius of the SkySphere. This should match the frustum maximum range.


  void initialize(char* fileName);  
};

#endif  /* _SKYSPHERE_H */