Polygon2D.h

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#ifndef RECOTOOL_POLYGON2D_H
#define RECOTOOL_POLYGON2D_H

#include <utility>
#include <vector>

//a polygon is a vector of std::pairs with first = x coordinate
//and second = y coordinate of that vertex
//access vertices with Point function. Points are:
//0   = first ordered vertex
//n-1 = last ordered vertex (n=size of polygon)
//n   = first vertex again
//>n  = invalid...return error message

//\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
//                BEGIN POLYGON CLASS               //
//\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
class Polygon2D {

private:
  std::vector<std::pair<float, float>> vertices;

public:
  Polygon2D() {}
  Polygon2D(const std::vector<std::pair<float, float>>& points) { vertices = points; }
  Polygon2D(const Polygon2D& poly1, const Polygon2D& poly2); 
  unsigned int Size() const { return vertices.size(); }
  const std::pair<float, float>& Point(unsigned int p) const;
  std::pair<float, float> Project(const std::pair<float, float>&, float) const;
  float Area() const;
  float Perimeter() const;
  bool Overlap(float slope, const Polygon2D& poly2, const std::pair<float, float>& origin) const;
  bool PolyOverlap(const Polygon2D& poly2) const;
  bool PolyOverlapSegments(const Polygon2D& poly2) const;
  bool PointInside(const std::pair<float, float>& point) const;
  bool Contained(const Polygon2D& poly2) const; 
  void UntanglePolygon();
}; // end of doxygen group

#endif