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SL_StreamLine.h

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// StreamLine.h: interface for the StreamLine class.
//

#if !defined(AFX_SL_STREAMLINE_H__04E22EE9_17CB_4C47_A9D2_DE2D7A6BDD0E__INCLUDED_)
#define AFX_SL_STREAMLINE_H__04E22EE9_17CB_4C47_A9D2_DE2D7A6BDD0E__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "misc.h"
#include "GlobalState.h"


#include <vector>
#include <list>

using namespace std;

#include "SL_Interpolation.h"
#include "SL_Inter_Euler.h"
#include "SL_Inter_RungeKutter2.h"

#include "SL_Grid.h"
#include "SL_Base.h"

//class SL_Interpolation;
class SL_Interpolation;
class SL_Inter_Euler;
class SL_Inter_RungeKutter2;

//class SL_Inter_RungeKutter4;

class SL_Grid;

class SL_StreamLine //:public CSL_Base
{
public:
        SL_StreamLine();
        //SL_StreamLine( SL_Grid* refToGrid  );
        SL_StreamLine( SL_Grid* refToGrid, CGlobalState* refState  );
        virtual ~SL_StreamLine();

        //bool AddStreamLineToGrid();

        void SetInterpolationMode( int iMode );


        //bool CreateStreamLine( float posx, float posy );
//      bool CreateStreamLine( const Vec2f dot );

//bool CreateStreamLine_directional( const Vec2f startDot, bool followFlow );

        bool CreateStreamLine_bidirectional( const Vec2f startDot );
        
        //bool CreateStreamLine_directional( float posx, float posy, bool followFlow );

        //bool CreateNewDot( const Vec2f* currentDot, bool interForward );

        bool CreateNewSeedPoint( const Vec2f currentDot,
                //const Vec2f currentSpeed,
                Vec2f &leftDot, Vec2f &rightDot );

        //bool CreateNeibourLines();

        void DrawGL();

protected:
        //void remove();

        //void SetDotStepSize( float fDistDots, float fDsep );

        
public:
        enum InterpolMode{ EULER = 1,RUNGE_KUTTER1, RENGE_KUTTER2 };
        vector< Vec2f > elements;
        //vector< Vec2f > elementsSpeed;

protected:
        int interpolationMode;
        SL_Interpolation* interpolationPtr;

        SL_Grid*  refGrid;

        //CGlobalState* refState;

        //float fDistanceDots;

        float m_fDsep;

        CGlobalState* refState;

};

#endif // !defined(AFX_SL_STREAMLINE_H__04E22EE9_17CB_4C47_A9D2_DE2D7A6BDD0E__INCLUDED_)

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