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River.h

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#ifndef _RIVER_H_
#define _RIVER_H_

//#include <GL/glext.h>
#include <Cg/cgGL.h>

#include "Water.h"
#include "VectorMath.h"

class River : public Water
{
 public:
  River(string filename = "");
  virtual ~River();

  virtual void draw();

 protected:
  Vector3 _lastPosition;
  Vector3 _textureTranslate; // for moving textures

  // cg stuff
  bool _useCG;
  CGcontext _context;
  CGprogram _program;
  CGprofile _profile;


  CGparameter _modelViewProj;
  CGparameter _modelViewIT;
  CGparameter _modelView;
  CGparameter _textureMat;
  
  CGparameter _pIsParam;
  CGparameter _vecSinParam;
  CGparameter _vecCosParam;
  CGparameter _wave1Param;
  CGparameter _wave1OriginParam;
  CGparameter _wave2Param;
  CGparameter _wave2OriginParam;

  double _sineCounter;
  double _angle;
};

#endif

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