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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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#ifndef BaseDemo_INCLUDE_ONCE
#define BaseDemo_INCLUDE_ONCE

#include <vlGraphics/Applet.hpp>
#include <vlGraphics/Rendering.hpp>
#include <vlCore/VisualizationLibrary.hpp>
#include <vlCore/ResourceDatabase.hpp>
#include <vlCore/Time.hpp>

class BaseDemo: public vl::Applet
{
public:
  BaseDemo()
  {
    mFPSTimer.start();
  }

  void updateEvent()
  {
    vl::Applet::updateEvent();

    if ( mFPSTimer.elapsed() > 1 )
    {
      mFPSTimer.start();
      openglContext()->setWindowTitle( vl::Say("[%.1n] %s") << fps() << appletName()  + " - " + vl::String("VL ") + vl::versionString() );
      vl::Log::print( vl::Say("FPS=%.1n\n") << fps() );
    }
  }

  virtual vl::String appletInfo()
  {
    return "Applet info: " + appletName() + "\n" +
    "Keys:\n" +
    "- Escape: quits the application.\n" +
    "- T:  enables the TrackballManipulator.\n" +
    "- F:  enables the GhostCameraManipulator (use A/D S/W keys).\n" +
    "- F1: toggles fullscreen mode if supported.\n" +
    "- F5: saves a screenshot of the current OpenGL window.\n" +
    "- C:  toggles the continuous update of the OpenGL window.\n" +
    "- U:  force update of the OpenGL window.\n" +
    "\n";
  }

protected:
  vl::Time mFPSTimer;
};

#endif
