MeVis/Foundation/Sources/MLLinearAlgebra/mlLine.h

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// **InsertLicense** code
//----------------------------------------------------------------------------------

//----------------------------------------------------------------------------------
#ifndef __mlLine_H
#define __mlLine_H

#include "mlLinearAlgebraSystem.h"
#include "mlVector3.h"

ML_LA_START_NAMESPACE

  //----------------------------------------------------------------------------------
  //----------------------------------------------------------------------------------
  class ML_LINEAR_ALGEBRA_EXPORT Line {

  public:
    Line();

    Line(const Vector3& p0, const Vector3& p1);

    bool setValue(const Vector3& p0, const Vector3& p1);

    Vector3 getClosestPoint(const Vector3& point) const;

    double distance(const Vector3& point) const;

    inline const Vector3& getPosition() const
    { return _pos; }

    inline const Vector3& getDirection() const
    { return _dir; }

    inline Vector3 getVector(double lambda) const
    { return _pos + static_cast<double>(lambda) * _dir; }

    bool getClosestPoints(const Line& line2, Vector3& pointOnLine, Vector3& pointOnLine2) const;

  private:

    Vector3 _pos;

    Vector3 _dir;
  };

ML_LA_END_NAMESPACE

#endif // __mlLine_H