92 lines
3.6 KiB
C++
92 lines
3.6 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Math module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_MATH_FRUSTUM_HPP
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#define NAZARA_MATH_FRUSTUM_HPP
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#include <Nazara/Math/Angle.hpp>
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#include <Nazara/Math/BoundingVolume.hpp>
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#include <Nazara/Math/Enums.hpp>
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#include <Nazara/Math/Matrix4.hpp>
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#include <Nazara/Math/OrientedBox.hpp>
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#include <Nazara/Math/Plane.hpp>
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#include <Nazara/Math/Sphere.hpp>
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#include <Nazara/Math/Vector3.hpp>
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#include <NazaraUtils/EnumArray.hpp>
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#include <array>
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#include <string>
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namespace Nz
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{
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struct SerializationContext;
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template<typename T>
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class Frustum
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{
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public:
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constexpr Frustum() = default;
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constexpr explicit Frustum(const EnumArray<FrustumPlane, Plane<T>>& planes);
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template<typename U> constexpr explicit Frustum(const Frustum<U>& frustum);
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constexpr Frustum(const Frustum&) = default;
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constexpr Frustum(Frustum&&) = default;
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~Frustum() = default;
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constexpr bool ApproxEqual(const Frustum& frustum, T maxDifference = std::numeric_limits<T>::epsilon()) const;
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constexpr Vector3<T> ComputeCorner(BoxCorner corner) const;
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constexpr EnumArray<BoxCorner, Vector3<T>> ComputeCorners() const;
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constexpr bool Contains(const BoundingVolume<T>& volume) const;
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constexpr bool Contains(const Box<T>& box) const;
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constexpr bool Contains(const OrientedBox<T>& orientedBox) const;
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constexpr bool Contains(const Sphere<T>& sphere) const;
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constexpr bool Contains(const Vector3<T>& point) const;
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constexpr bool Contains(const Vector3<T>* points, std::size_t pointCount) const;
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constexpr Box<T> GetAABB() const;
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constexpr const Plane<T>& GetPlane(FrustumPlane plane) const;
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constexpr const EnumArray<FrustumPlane, Plane<T>>& GetPlanes() const;
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constexpr IntersectionSide Intersect(const BoundingVolume<T>& volume) const;
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constexpr IntersectionSide Intersect(const Box<T>& box) const;
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constexpr IntersectionSide Intersect(const OrientedBox<T>& orientedBox) const;
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constexpr IntersectionSide Intersect(const Sphere<T>& sphere) const;
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constexpr IntersectionSide Intersect(const Vector3<T>* points, std::size_t pointCount) const;
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constexpr Frustum<T> Reduce(T nearFactor, T farFactor) const;
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template<typename F> constexpr void Split(std::initializer_list<T> splitFactors, F&& callback) const;
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template<typename F> constexpr void Split(const T* splitFactors, std::size_t factorCount, F&& callback) const;
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std::string ToString() const;
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constexpr Frustum& operator=(const Frustum&) = default;
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constexpr Frustum& operator=(Frustum&&) = default;
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constexpr bool operator==(const Frustum& angles) const;
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constexpr bool operator!=(const Frustum& angles) const;
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static constexpr bool ApproxEqual(const Frustum& lhs, const Frustum& rhs, T maxDifference = std::numeric_limits<T>::epsilon());
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static Frustum Build(RadianAngle<T> angle, T ratio, T zNear, T zFar, const Vector3<T>& eye, const Vector3<T>& target, const Vector3<T>& up = Vector3<T>::Up());
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static Frustum Extract(const Matrix4<T>& viewProjMatrix);
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template<typename U> friend bool Serialize(SerializationContext& context, const Frustum<U>& frustum, TypeTag<Frustum<U>>);
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template<typename U> friend bool Unserialize(SerializationContext& context, Frustum<U>* frustum, TypeTag<Frustum<U>>);
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private:
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EnumArray<FrustumPlane, Plane<T>> m_planes;
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};
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using Frustumd = Frustum<double>;
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using Frustumf = Frustum<float>;
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template<typename T> std::ostream& operator<<(std::ostream& out, const Nz::Frustum<T>& frustum);
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}
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#include <Nazara/Math/Frustum.inl>
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#endif // NAZARA_MATH_FRUSTUM_HPP
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