#pragma once

#include <J3ML/Geometry/Shape.h>
#include <vector>
#include <J3ML/LinearAlgebra/Vector3.h>

namespace J3ML::Geometry
{
    using namespace J3ML::LinearAlgebra;

    // Represents a three-dimensional closed geometric solid defined by flat polygonal faces.
    class Polyhedron : public Shape
    {
    public:
        // Stores a list of indices of a single face of a Polygon
        struct Face
        {
            // Specifies the indices of the corner vertices of the polyhedron.
            // Indices point to the polyhedron vertex array.
            // The face vertices should all lie on the same plane.
            // The positive direction of the plane (the direction the face outwards normal points)
            // is the one where the vertices are wound in counter-clockwise order.
            std::vector<int> v;

            // Reverses the winding order of this face. This has the effect of reversing the direction
            // the normal of this face points to.
            void FlipWindingOrder();

        };

        // Specifies the vertices of this polyhedron.
        std::vector<Vector3> v;

    protected:
    private:
    };
}