Added Plane class
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Mathematics 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_PLANE_HPP
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#define NAZARA_PLANE_HPP
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#include <Nazara/Core/String.hpp>
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#include <Nazara/Math/Vector3.hpp>
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template<typename T>
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class NzPlane
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{
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public:
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NzPlane() = default;
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NzPlane(T normalX, T normalY, T normalZ, T Distance);
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NzPlane(const T plane[4]);
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NzPlane(const NzVector3<T>& Normal, T Distance);
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NzPlane(const NzVector3<T>& Normal, const NzVector3<T>& point);
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NzPlane(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3);
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template<typename U> explicit NzPlane(const NzPlane<U>& plane);
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NzPlane(const NzPlane& plane) = default;
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~NzPlane() = default;
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T Distance(const NzVector3<T>& point);
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T Distance(T x, T y, T z);
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NzPlane& Set(T normalX, T normalY, T normalZ, T Distance);
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NzPlane& Set(const T plane[4]);
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NzPlane& Set(const NzPlane& plane);
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NzPlane& Set(const NzVector3<T>& Normal, T Distance);
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NzPlane& Set(const NzVector3<T>& Normal, const NzVector3<T>& point);
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NzPlane& Set(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3);
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template<typename U> NzPlane& Set(const NzPlane<U>& plane);
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NzString ToString() const;
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static NzPlane Lerp(const NzPlane& from, const NzPlane& to, T interpolation);
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NzVector3<T> normal;
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T distance;
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};
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template<typename T>
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std::ostream& operator<<(std::ostream& out, const NzPlane<T>& plane);
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typedef NzPlane<double> NzPlaned;
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typedef NzPlane<float> NzPlanef;
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#include <Nazara/Math/Plane.inl>
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#endif // NAZARA_PLANE_HPP
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@ -0,0 +1,163 @@
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Mathematics module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/StringStream.hpp>
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#include <Nazara/Math/Basic.hpp>
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#include <cstring>
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#include <Nazara/Core/Debug.hpp>
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#define F(a) static_cast<T>(a)
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template<typename T>
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NzPlane<T>::NzPlane(T normalX, T normalY, T normalZ, T D)
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{
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Set(normalX, normalY, normalZ, D);
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}
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template<typename T>
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NzPlane<T>::NzPlane(const T plane[4])
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{
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Set(plane);
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}
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template<typename T>
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NzPlane<T>::NzPlane(const NzVector3<T>& Normal, T D)
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{
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Set(Normal, D);
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}
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template<typename T>
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NzPlane<T>::NzPlane(const NzVector3<T>& Normal, const NzVector3<T>& point)
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{
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Set(Normal, point);
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}
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template<typename T>
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NzPlane<T>::NzPlane(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3)
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{
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Set(point1, point2, point3);
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}
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template<typename T>
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template<typename U>
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NzPlane<T>::NzPlane(const NzPlane<U>& plane)
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{
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Set(plane);
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}
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template<typename T>
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T NzPlane<T>::Distance(const NzVector3<T>& point)
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{
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return normal.DotProduct(point) + distance;
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}
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template<typename T>
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T NzPlane<T>::Distance(T x, T y, T z)
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{
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return Distance(NzVector3<T>(x, y, z));
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(T normalX, T normalY, T normalZ, T D)
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{
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distance = D;
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normal.Set(normalX, normalY, normalZ);
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return *this;
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(const T plane[4])
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{
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normal.Set(plane[0], plane[1], plane[2]);
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distance = plane[3];
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return *this;
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(const NzPlane& plane)
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{
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std::memcpy(this, &plane, sizeof(NzPlane));
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return *this;
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& Normal, T D)
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{
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distance = D;
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normal = Normal;
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return *this;
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& Normal, const NzVector3<T>& point)
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{
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normal = Normal;
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distance = -normal.DotProduct(point);
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return *this;
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}
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template<typename T>
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NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3)
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{
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NzVector3<T> edge1 = point2 - point1;
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NzVector3<T> edge2 = point3 - point1;
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normal = edge1.CrossProduct(edge2);
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normal.Normalize();
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distance = -normal.DotProduct(point3);
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return *this;
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}
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template<typename T>
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template<typename U>
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NzPlane<T>& NzPlane<T>::Set(const NzPlane<U>& plane)
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{
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normal.Set(plane.normal);
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distance = F(plane.distance);
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return *this;
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}
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template<typename T>
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NzString NzPlane<T>::ToString() const
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{
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NzStringStream ss;
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return ss << "Plane(Normal: " << normal << "; Distance: " << distance << ')';
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}
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template<typename T>
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NzPlane<T> NzPlane<T>::Lerp(const NzPlane& from, const NzPlane& to, T interpolation)
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{
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#ifdef NAZARA_DEBUG
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if (interpolation < F(0.0) || interpolation > F(1.0))
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{
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NazaraError("Interpolation must be in range [0..1] (Got " + NzString::Number(interpolation) + ')');
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return NzPlane();
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}
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#endif
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NzPlane plane;
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plane.distance = NzLerp(from.distance, to.distance, interpolation);
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plane.normal = NzVector3<T>::Lerp(from.normal, to.normal, interpolation);
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plane.normal.Normalize();
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return plane;
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}
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template<typename T>
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std::ostream& operator<<(std::ostream& out, const NzPlane<T>& plane)
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{
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return out << plane.ToString();
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}
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#undef F
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#include <Nazara/Core/DebugOff.hpp>
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