Frustum.hpp

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#pragma once
#include "Engine/api.hpp"
#include <ThirdParty/glm/glm/glm.hpp>

namespace Engine
{
    class Camera;

    class ENGINE_API Frustum
    {
    public:
        Frustum(Frustum const &other) = default;
        Frustum(Frustum &&other) noexcept = default;
        ~Frustum() noexcept = default;

        Frustum &operator=(Frustum const &other) = default;
        Frustum &operator=(Frustum &&other) noexcept = default;

    private:
        friend class Camera;
        Frustum() = default;
        explicit Frustum(Camera &camera, glm::vec3 right, glm::vec3 up);

        struct Face
        {
            glm::vec3 position0, position1, position2, normal, u, v;
            float d;

            Face() = default;
            Face(glm::vec3 p0, glm::vec3 p1, glm::vec3 p2);
            ~Face() = default;
        };

        Face frontFace, backFace, topFace, rightFace, bottomFace, leftFace;

    public:
        Face GetFrontFace() const;
        Face GetBackFace() const;
        Face GetTopFace() const;
        Face GetRightFace() const;
        Face GetBottomFace() const;
        Face GetLeftFace() const;
    };
} // namespace Engine