Simplex.hpp

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#pragma once
 
#include <array>
 
#include "math/Vector2.hpp"
 
namespace stw
{
struct Simplex
{
    static constexpr unsigned long long MAX_SIZE = 3ull;
 
    Simplex()
        : _points({Vector2(0, 0), {0, 0}, {0, 0}}), _size(0) {}
 
    Simplex& operator=(std::initializer_list<Vector2> list);
    Vector2 operator[](std::size_t i) const;
 
    void PushFront(Vector2 point);
    [[nodiscard]] std::size_t Size() const;
    [[nodiscard]] std::array<Vector2, MAX_SIZE>::const_iterator Begin() const;
    [[nodiscard]] std::array<Vector2, MAX_SIZE>::const_iterator End() const;
    void IncrementSize();
 
private:
    std::array<Vector2, MAX_SIZE> _points;
    std::size_t _size;
};
}