networkMapCamera.h

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/****************************************************************************
 * Copyright (c) 2017 VT MAK
 * All rights reserved.
 ****************************************************************************/


#pragma once

#define RTI_CAMERA_SPEED 1.25
#define RTI_CAMERA_PAN_SPEED 6

#include <QtOpenGL/QtOpenGL>
#include <QWidget>

class DtNetworkMapCamera
{
public:
   DtNetworkMapCamera();

   virtual ~DtNetworkMapCamera();

   virtual void update( float delta );

   virtual void displayCamera();

   virtual void zoom( QWheelEvent * event );

   virtual void pan( QMouseEvent * event );

   virtual void updateMouse( int x, int y );

   virtual void reset( float x, float y, float z );

   virtual void resetToDefault();

   virtual float getDistance() { return myDestinationPosition[2]; };

   virtual void getCurrMousePos(float& x, float& y)
   {
      x = myCurrMouse[0];
      y = myCurrMouse[1];
   }

protected:
   virtual void focusCamera( float x, float y, float z );

protected:
   int myPrevMouse[2];

   int myCurrMouse[2];

   float myElapsedTime;

   float myPosition[3];

   float myDestinationPosition[3];

   static const float theDefaultZPos;
};