49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
//
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// Created by Иван Ильин on 10.10.2021.
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//
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#ifndef SHOOTER_VEC2D_H
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#define SHOOTER_VEC2D_H
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#include <array>
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#include "Point4D.h"
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class Vec2D {
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private:
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std::array<double, 2> _arr_point{};
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public:
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Vec2D () = default;
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Vec2D (const Vec2D& vec);
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Vec2D (const Point4D& point4D);
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explicit Vec2D (double x, double y = 0.0);
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Vec2D& operator=(const Vec2D&) = delete;
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[[nodiscard]] double x() const { return _arr_point[0]; }
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[[nodiscard]] double y() const { return _arr_point[1]; }
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[[nodiscard]] Vec2D operator-() const;
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// Boolean operations
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bool operator==(const Vec2D& vec) const;
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bool operator!=(const Vec2D& vec) const;
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[[nodiscard]] Vec2D operator+(const Vec2D& vec) const;
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[[nodiscard]] Vec2D operator-(const Vec2D& vec) const;
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[[nodiscard]] double dot(const Vec2D& vec) const; // Returns dot product
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// Operations with numbers
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[[nodiscard]] Vec2D operator*(double number) const;
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[[nodiscard]] Vec2D operator/(double number) const;
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// Other useful methods
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[[nodiscard]] double sqrAbs() const; // Returns squared vector length
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[[nodiscard]] double abs() const; // Returns vector length
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[[nodiscard]] Vec2D normalized() const; // Returns normalized vector without changing
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};
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#endif //SHOOTER_VEC2D_H
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