VectorAlgebra2D.hpp

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//
// Thor C++ Library
// Copyright (c) 2011-2015 Jan Haller
// 
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// arising from the use of this software.
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// 
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//    claim that you wrote the original software. If you use this software
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//    appreciated but is not required.
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#ifndef THOR_VECTORALGEBRA2D_HPP
#define THOR_VECTORALGEBRA2D_HPP

#include <Thor/Math/Trigonometry.hpp>

#include <SFML/System/Vector2.hpp>

#include <cassert>


namespace thor
{


template <typename T>
T                           length(const sf::Vector2<T>& vector);

template <typename T>
T                           squaredLength(const sf::Vector2<T>& vector);

template <typename T>
void                        setLength(sf::Vector2<T>& vector, T newLength);

template <typename T>
sf::Vector2<T>              unitVector(const sf::Vector2<T>& vector);

template <typename T>
T                           polarAngle(const sf::Vector2<T>& vector);

template <typename T>
void                        setPolarAngle(sf::Vector2<T>& vector, T newAngle);

template <typename T>
void                        rotate(sf::Vector2<T>& vector, T angle);

template <typename T>
sf::Vector2<T>              rotatedVector(const sf::Vector2<T>& vector, T angle);

template <typename T>
sf::Vector2<T>              perpendicularVector(const sf::Vector2<T>& vector);

// ---------------------------------------------------------------------------------------------------------------------------


template <typename T>
T                           signedAngle(const sf::Vector2<T>& lhs, const sf::Vector2<T>& rhs);

template <typename T>
T                           dotProduct(const sf::Vector2<T>& lhs, const sf::Vector2<T>& rhs);

template <typename T>
T                           crossProduct(const sf::Vector2<T>& lhs, const sf::Vector2<T>& rhs);

template <typename T>
sf::Vector2<T>              cwiseProduct(const sf::Vector2<T>& lhs, const sf::Vector2<T>& rhs);

template <typename T>
sf::Vector2<T>              cwiseQuotient(const sf::Vector2<T>& lhs, const sf::Vector2<T>& rhs);

template <typename T>
sf::Vector2<T>              projectedVector(const sf::Vector2<T>& vector, const sf::Vector2<T>& axis);


} // namespace thor

#include <Thor/Vectors/Detail/VectorAlgebra2D.inl>
#endif // THOR_VECTORALGEBRA2D_HPP