NazaraEngine/include/Nazara/Math/Plane.inl

164 lines
3.3 KiB
C++

// Copyright (C) 2013 Jérôme Leclercq
// This file is part of the "Nazara Engine - Mathematics module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Core/StringStream.hpp>
#include <Nazara/Math/Basic.hpp>
#include <cstring>
#include <Nazara/Core/Debug.hpp>
#define F(a) static_cast<T>(a)
template<typename T>
NzPlane<T>::NzPlane(T normalX, T normalY, T normalZ, T D)
{
Set(normalX, normalY, normalZ, D);
}
template<typename T>
NzPlane<T>::NzPlane(const T plane[4])
{
Set(plane);
}
template<typename T>
NzPlane<T>::NzPlane(const NzVector3<T>& Normal, T D)
{
Set(Normal, D);
}
template<typename T>
NzPlane<T>::NzPlane(const NzVector3<T>& Normal, const NzVector3<T>& point)
{
Set(Normal, point);
}
template<typename T>
NzPlane<T>::NzPlane(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3)
{
Set(point1, point2, point3);
}
template<typename T>
template<typename U>
NzPlane<T>::NzPlane(const NzPlane<U>& plane)
{
Set(plane);
}
template<typename T>
T NzPlane<T>::Distance(const NzVector3<T>& point) const
{
return normal.DotProduct(point) + distance;
}
template<typename T>
T NzPlane<T>::Distance(T x, T y, T z) const
{
return Distance(NzVector3<T>(x, y, z));
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(T normalX, T normalY, T normalZ, T D)
{
distance = D;
normal.Set(normalX, normalY, normalZ);
return *this;
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(const T plane[4])
{
normal.Set(plane[0], plane[1], plane[2]);
distance = plane[3];
return *this;
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(const NzPlane& plane)
{
std::memcpy(this, &plane, sizeof(NzPlane));
return *this;
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& Normal, T D)
{
distance = D;
normal = Normal;
return *this;
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& Normal, const NzVector3<T>& point)
{
normal = Normal;
distance = -normal.DotProduct(point);
return *this;
}
template<typename T>
NzPlane<T>& NzPlane<T>::Set(const NzVector3<T>& point1, const NzVector3<T>& point2, const NzVector3<T>& point3)
{
NzVector3<T> edge1 = point2 - point1;
NzVector3<T> edge2 = point3 - point1;
normal = edge1.CrossProduct(edge2);
normal.Normalize();
distance = -normal.DotProduct(point3);
return *this;
}
template<typename T>
template<typename U>
NzPlane<T>& NzPlane<T>::Set(const NzPlane<U>& plane)
{
normal.Set(plane.normal);
distance = F(plane.distance);
return *this;
}
template<typename T>
NzString NzPlane<T>::ToString() const
{
NzStringStream ss;
return ss << "Plane(Normal: " << normal.ToString() << "; Distance: " << distance << ')';
}
template<typename T>
NzPlane<T> NzPlane<T>::Lerp(const NzPlane& from, const NzPlane& to, T interpolation)
{
#ifdef NAZARA_DEBUG
if (interpolation < F(0.0) || interpolation > F(1.0))
{
NazaraError("Interpolation must be in range [0..1] (Got " + NzString::Number(interpolation) + ')');
return NzPlane();
}
#endif
NzPlane plane;
plane.distance = NzLerp(from.distance, to.distance, interpolation);
plane.normal = NzVector3<T>::Lerp(from.normal, to.normal, interpolation);
plane.normal.Normalize();
return plane;
}
template<typename T>
std::ostream& operator<<(std::ostream& out, const NzPlane<T>& plane)
{
return out << plane.ToString();
}
#undef F
#include <Nazara/Core/DebugOff.hpp>