source: orxonox.OLD/orxonox/tags/0.2.0-pre-alpha/src/camera.h @ 3741

/*! 
    \file camera.h
    \brief Viewpoint controlling class definitions
*/ 

#ifndef CAMERA_H
#define CAMERA_H

#include "stdincl.h"

class WorldEntity;

//! Camera
/**
        This class controls the viewpoint from which the World is rendered. To use the Camera it has
        to be bound to a WorldEntity which serves as the reference focus point. The Camera itself calls
        the WorldEntity::get_lookat() and World::calc_camera_pos() functions to calculate the position it
        currently should be in.
*/
class Camera {
 private:
        WorldEntity* bound;             //!< the WorldEntity the Camera is bound to
        Placement actual_place; //!< the Camera's current position
        Placement desired_place; //!< where the Camera should be according to calculations

        void update_desired_place ();
        
 public:
  Camera ();
  ~Camera ();

        void time_slice (Uint32 deltaT);
        void apply ();
        void bind (WorldEntity* entity);
        void jump (Placement* plc);

};

#endif