DtCameraShake.h

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/*****************************************************************************
 * Copyright (c) 2015 MAK Technologies, Inc.
 * All rights reserved.
 *****************************************************************************/

 
#pragma once
 
#include <vrvCore/DtTickable.h>
#include <string>

namespace makVrv 
{ 
   class DtObserver;

   class DT_DLL_VRVCORE DtCameraShake : public DtTickable
   {
   public:
      DtCameraShake(DtDe& de, DtObserver& obs, 
         const std::string& cameraShakeType);

      virtual ~DtCameraShake();

      const std::string& type() const;

      void enableCameraShake();

      void disableCameraShake();

      bool cameraShakeEnabled() const;

      void setCameraShakeEnabled(bool enabled);

      void setCameraShakeIntensity(float intensity);

      float cameraShakeIntensity();

      virtual void update(DtTime tNow);

      virtual bool needsUpdate(DtTime tNow);

      virtual const DtObserver& observer();

   protected:
      DtDe& myDe;
      DtObserver& myObs;

      // The category of this camera shake ex. "DtContinousCameraShake"
      std::string myType;
   };
     
   class DT_DLL_VRVCORE DtCameraShakeCreator
   {
   public:
      friend class DtCameraShakeFactory;

      DtCameraShakeCreator();

      virtual ~DtCameraShakeCreator();

   protected:
      virtual DtCameraShake* create(DtDe& de, DtObserver& obs, 
         const std::string& cameraShakeType) = 0;
   };
}