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#ifndef Magnum_Math_Point2D_h
#define Magnum_Math_Point2D_h
/*
Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
This file is part of Magnum.
Magnum is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License version 3
only, as published by the Free Software Foundation.
Magnum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License version 3 for more details.
*/
/** @file
* @brief Class Magnum::Math::Point2D
*/
#include "Vector3.h"
namespace Magnum { namespace Math {
/**
@brief Two-dimensional homogeneous coordinates
@tparam T Data type
Same as Vector3, except that constructors have default value for Z component
set to one. See also @ref matrix-vector for brief introduction.
@see Magnum::Point2D, Point3D
@configurationvalueref{Magnum::Math::Point2D}
*/
template<class T> class Point2D: public Vector3<T> {
public:
/**
* @brief Default constructor
*
* X and Y components are set to zero, Z is set to one.
*/
inline constexpr /*implicit*/ Point2D(): Vector3<T>(T(0), T(0), T(1)) {}
/**
* @brief Constructor
* @param x X component
* @param y Y component
* @param z Z component
*/
inline constexpr /*implicit*/ Point2D(T x, T y, T z = T(1)): Vector3<T>(x, y, z) {}
/**
* @brief Constructor
* @param xy Two-component vector
* @param z Z component
*/
inline constexpr /*implicit*/ Point2D(const Vector2<T>& xy, T z = T(1)): Vector3<T>(xy, z) {}
/** @copydoc Vector::Vector(const Vector<size, U>&) */
template<class U> inline constexpr explicit Point2D(const Vector<3, U>& other): Vector3<T>(other) {}
/** @brief Copy constructor */
inline constexpr Point2D(const Vector<3, T>& other): Vector3<T>(other) {}
/**
* @brief Vector part of the point
*
* Equivalent to calling xy(). Useful for seamless 2D/3D integration.
* @see Point3D::vector()
*/
inline Vector2<T>& vector() { return Vector3<T>::xy(); }
inline constexpr Vector2<T> vector() const { return Vector3<T>::xy(); } /**< @overload */
MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(Point2D, 3)
};
MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(Point2D, 3)
/** @debugoperator{Magnum::Math::Point2D} */
template<class T> inline Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Point2D<T>& value) {
return debug << static_cast<const Vector<3, T>&>(value);
}
}}
namespace Corrade { namespace Utility {
/** @configurationvalue{Magnum::Math::Point2D} */
template<class T> struct ConfigurationValue<Magnum::Math::Point2D<T>>: public ConfigurationValue<Magnum::Math::Vector<3, T>> {};
}}
#endif