44 lines
1 KiB
C++
44 lines
1 KiB
C++
/*
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* Vector.h
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*
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* Created on: 07.08.2013
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* Author: Felix
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*/
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#ifndef DG_VECTOR_H_
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#define DG_VECTOR_H_
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#include <SFML/System.hpp>
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/**
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* Vector class with comparison operator. All other operators are inherited
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* from sf::Vector2.
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*/
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template <typename T>
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class Vector2 : public sf::Vector2<T> {
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public:
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Vector2() : sf::Vector2<T>() {};
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Vector2(T x, T y) : sf::Vector2<T>(x, y) {};
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/**
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* Implicitly catches and converts any vectors that have been converted to
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* sf::Vector2 (as done by arithmethic operations defined by sf::Vector2).
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*/
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template <typename U>
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Vector2(const sf::Vector2<U>& vector) : sf::Vector2<T>(vector) {};
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};
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/**
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* Comparison operator meant for containers like std::set.
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*
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* Provides a clearly defined, but otherwise meaningless sorting of vectors.
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*/
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template <typename T>
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bool operator <(const Vector2<T>& left, const Vector2<T>& right) {
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return left.x < right.x || (left.x == right.x && left.y < right.y);
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}
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typedef Vector2<int> Vector2i;
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typedef Vector2<float> Vector2f;
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#endif /* DG_VECTOR_H_ */
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