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89 lines
2.7 KiB
89 lines
2.7 KiB
#ifndef Magnum_Physics_Sphere_h |
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#define Magnum_Physics_Sphere_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::Physics::Sphere |
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*/ |
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#include "AbstractShape.h" |
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#include "Point.h" |
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#include "Line.h" |
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namespace Magnum { namespace Physics { |
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/** |
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@brief %Sphere defined by position and radius |
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Unlike other elements the sphere doesn't support asymmetric scaling. When |
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applying transformation, the scale factor is averaged from all axes. |
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*/ |
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class PHYSICS_EXPORT Sphere: public AbstractShape { |
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public: |
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/** @brief Constructor */ |
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inline constexpr Sphere(const Vector3& position, float radius): _position(position), _transformedPosition(position), _radius(radius), _transformedRadius(radius) {} |
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void applyTransformation(const Matrix4& transformation); |
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bool collides(const AbstractShape* other) const; |
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/** @brief Position */ |
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inline Vector3 position() const { return _position; } |
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/** @brief Set position */ |
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inline void setPosition(const Vector3& position) { _position = position; } |
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/** @brief Radius */ |
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inline float radius() const { return _radius; } |
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/** @brief Set radius */ |
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inline void setRadius(float radius) { _radius = radius; } |
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/** @brief Transformed position */ |
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inline Vector3 transformedPosition() const { |
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return _transformedPosition; |
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} |
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/** @brief Transformed radius */ |
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inline float transformedRadius() const { |
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return _transformedRadius; |
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} |
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/** @brief Collision with point */ |
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bool operator%(const Point& other) const; |
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/** @brief Collision with line */ |
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bool operator%(const Line& other) const; |
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/** @brief Collision with sphere */ |
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bool operator%(const Sphere& other) const; |
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protected: |
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inline Type type() const { return Type::Sphere; } |
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private: |
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Vector3 _position, _transformedPosition; |
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float _radius, _transformedRadius; |
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}; |
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#ifndef DOXYGEN_GENERATING_OUTPUT |
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inline bool operator%(const Point& a, const Sphere& b) { return b % a; } |
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inline bool operator%(const Line& a, const Sphere& b) { return b % a; } |
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#endif |
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}} |
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#endif
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