Polygon.h

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#pragma once
 
#include <cmath>
#include "sgui/Core/Shapes.h"
 
namespace sgui
{

template <size_t N>
struct Polygon {
  std::array <sf::Vector2f, N> points;
};
 
// typedef for common polygon type
using Tetragon = Polygon <4>;
using Hexagon  = Polygon <6>;
using Octogon  = Polygon <8>;

template <size_t N>
Polygon<N> makeRegularPolygon (const sf::Vector2f& center, const float size);
 


template <size_t N>
constexpr sf::Vector2f centroid (const Polygon<N>& polygon);

template <size_t N>
constexpr sf::FloatRect boundingBox (const Polygon<N>& polygon);
 
} // namespace sgui
 
 
#include "sgui/Core/Polygon.tpp"