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105 lines
3.3 KiB
105 lines
3.3 KiB
#ifndef Magnum_Math_Point3D_h |
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#define Magnum_Math_Point3D_h |
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/* |
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz> |
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This file is part of Magnum. |
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Magnum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License version 3 |
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only, as published by the Free Software Foundation. |
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Magnum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License version 3 for more details. |
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*/ |
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/** @file |
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* @brief Class Magnum::Math::Point3D |
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*/ |
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#include "Vector4.h" |
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namespace Magnum { namespace Math { |
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/** |
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@brief Three-dimensional homogeneous coordinates |
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@tparam T Data type |
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Same as Vector4, except that constructors have default value for W component |
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set to one. See also @ref matrix-vector for brief introduction. |
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@see Magnum::Point3D, Point2D |
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@configurationvalueref{Magnum::Math::Point3D} |
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*/ |
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template<class T> class Point3D: public Vector4<T> { |
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public: |
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/** |
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* @brief Default constructor |
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* |
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* @f[ |
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* \boldsymbol p = (0, 0, 0, 1)^T |
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* @f] |
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*/ |
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inline constexpr /*implicit*/ Point3D(): Vector4<T>(T(0), T(0), T(0), T(1)) {} |
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/** |
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* @brief Constructor |
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* |
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* @f[ |
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* \boldsymbol p = (x, y, z, w)^T |
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* @f] |
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*/ |
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inline constexpr /*implicit*/ Point3D(T x, T y, T z, T w = T(1)): Vector4<T>(x, y, z, w) {} |
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/** |
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* @brief Constructor |
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* |
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* @f[ |
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* \boldsymbol p = (v_x, v_y, v_z, w)^T |
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* @f] |
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*/ |
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inline constexpr /*implicit*/ Point3D(const Vector3<T>& xyz, T w): Vector4<T>(xyz, w) {} |
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/** |
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* @brief Construct 3D point from 3D vector |
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* |
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* @f[ |
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* \boldsymbol p = (v_x, v_y, v_z, 1)^T |
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* @f] |
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*/ |
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inline constexpr explicit Point3D(const Vector3<T>& xyz): Vector4<T>(xyz, T(1)) {} |
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/** @copydoc Vector::Vector(const Vector<size, U>&) */ |
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template<class U> inline constexpr explicit Point3D(const Vector<4, U>& other): Vector4<T>(other) {} |
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/** @brief Copy constructor */ |
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inline constexpr Point3D(const Vector<4, T>& other): Vector4<T>(other) {} |
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/** |
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* @brief Vector part of the point |
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* |
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* Equivalent to calling xyz(). Useful for seamless 2D/3D integration. |
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* @see Point2D::vector() |
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*/ |
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inline Vector3<T>& vector() { return Vector4<T>::xyz(); } |
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inline constexpr Vector3<T> vector() const { return Vector4<T>::xyz(); } /**< @overload */ |
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MAGNUM_VECTOR_SUBCLASS_IMPLEMENTATION(Point3D, 4) |
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}; |
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MAGNUM_VECTOR_SUBCLASS_OPERATOR_IMPLEMENTATION(Point3D, 4) |
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/** @debugoperator{Magnum::Math::Point3D} */ |
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template<class T> inline Corrade::Utility::Debug operator<<(Corrade::Utility::Debug debug, const Point3D<T>& value) { |
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return debug << static_cast<const Vector<4, T>&>(value); |
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} |
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}} |
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namespace Corrade { namespace Utility { |
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/** @configurationvalue{Magnum::Math::Point3D} */ |
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template<class T> struct ConfigurationValue<Magnum::Math::Point3D<T>>: public ConfigurationValue<Magnum::Math::Vector<4, T>> {}; |
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}} |
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#endif
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