DtSplashParticle.h

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/*****************************************************************************
* Copyright (c) 2020 MAK Technologies, Inc.
* All rights reserved.
*****************************************************************************/

#pragma once


#include <vrvPostProcessor/vrvPostProcessor.h>
#include <vrvPostProcessor/DtGridCell.h>
#include <vrvPostProcessor/DtDropParticle.h>
#include <vrvPostProcessor/DtWaterOnScreenDefines.h>
#include <vrvPostProcessor/DtSplashPrecompute.h>

#include <tbb/parallel_for.h>
#include <tbb/blocked_range2d.h>

namespace osg
{
   class Image;
}

namespace makVrv
{ 
   // Basically a static drop with no physics whatsoever.
   class DtSplashParticle : public DtDropParticle
   {
   public:
      DtSplashParticle(float px, float py, float pMass, double time,
         DtGridCell grid[][GRID_DIMENSION],
         float pIntensity);

      virtual ~DtSplashParticle();
   private:
      DtSplashParticle();

      DtSplashParticle(const DtSplashParticle&);

      DtSplashParticle& operator=(const DtSplashParticle&);
   public:

      virtual void update(double time, double elapsedTime,
         DtGridCell grid[][GRID_DIMENSION],
         bool& destroyFlag);

      virtual void renderToNormalMap(osg::Image *image);

      virtual unsigned int precomputedSplashTexel(float x, float y);

      // ! \brief Precompute a normal map for a drop
      static void precomputeSplash();

   protected:

      static unsigned int myPrecomputedSplash[PRECOMPUTED_DIM][PRECOMPUTED_DIM];
      static bool mySplashInitialized;

      float myIntensity;
   };

}