Shapes.h

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#pragma once
 
#include <array>
#include <vector>
#include <SFML/System/Vector2.hpp>
 
namespace sgui
{
constexpr float Pi = 3.14159265359f;
constexpr float PiRad = 3.14159265359f / 180.f;


template <typename Type>
struct Line {
  Line () = default;
  Line (const sf::Vector2<Type>& begin, const sf::Vector2<Type>& end);
  sf::Vector2<Type> direction () const;
  sf::Vector2<Type> tail = {}; 
  sf::Vector2<Type> head = {}; 
};
 
// typedef for common line type
using LineFloat = Line<float>;
 


template <typename Type>
struct Circle
{
  Circle () = default;
  Circle (const sf::Vector2<Type>& center, Type r);
  Type radius = Type (0);        
  sf::Vector2<Type> center = {}; 
};
 
// typedef for common circle type
using CircleFloat = Circle<float>;
 


template<typename Type>
constexpr sf::Vector2f centroid (const std::vector<sf::Vector2 <Type>>& vertices);
 
} // namespace sgui
 
// impl
#include "sgui/Core/Shapes.tpp"