source: orxonox.OLD/branches/gui/src/lib/graphics/render2D/render_2d.h @ 7894

/*!
 * @file render_2d.h
 * @brief Definition of the 2D-rendering engine singleton Class
 */

#ifndef _RENDER_2D_H
#define _RENDER_2D_H

#include "base_object.h"
#include "element_2d.h"
// FORWARD DECLARATION

//! A default singleton class.
class Render2D : public BaseObject {
  friend class Element2D;

  public:
    virtual ~Render2D();
    /** @returns a Pointer to the only object of this Class */
    inline static Render2D* getInstance() { if (!singletonRef) singletonRef = new Render2D();  return singletonRef; };

    void toggleNodesVisibility() { this->showNodes = !this->showNodes; };

    void update(float dt);
    void tick(float dt);
    void draw(E2D_LAYER from, E2D_LAYER to) const;

  private:
    Render2D();
    static Render2D*              singletonRef;                    //!< Reference to this class.

    bool                          showNodes;                       //!< If the debug-Nodes should be visible
 };

#endif /* _RENDER_2D_H */