#pragma once

#ifndef LINEAR_POTENTIAL_H

#define LINEAR_POTENTIAL_H

/**

 * @author  Fabrizio Morciano <fabrizio.morciano@gmail.com></fabrizio.morciano@gmail.com>

 */

//#include "tcommon.h"

//#include "tstroke.h"

#include "ext/Potential.h"

#undef DVAPI

#undef DVVAR

#ifdef TNZEXT_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

namespace ToonzExt {

class DVAPI LinearPotential final : public Potential {

public:

  virtual ~LinearPotential();

  double value_(double radiusToTest) const override;

  void setParameters_(const TStroke *ref, double w,

                      double actionLength) override;

  Potential *clone() override;

private:

  double compute_shape(double) const;  // funzione ausiliaria per

  // il calcolo del parametro

  // da usare

  double compute_value(double) const;  // funzione ausiliaria per

  // il calcolo del potenziale senza

  // controllo del parametro

  const TStroke *ref_;

  double

      /**

* @brief Range of mapping

*

* Only an interval of potential function will be used to

* map the transformation.

*/

      range_,

      par_,            //! Parameter of selection.

      actionLength_,   //! Action length, how many units to move.

      strokeLength_,   //! Stroke Length.

      lengthAtParam_,  //! Length at par_

      leftFactor_,     //! How many units to move on the left of curve.

      rightFactor_;    //! How many units to move on the right of curve.

};

}

#endif /* LINEAR_POTENTIAL_H */

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