51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
//
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// Created by Иван Ильин on 12.01.2021.
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//
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#ifndef ENGINE_POINT4D_H
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#define ENGINE_POINT4D_H
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#include <array>
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class Point4D {
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private:
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std::array<double, 4> _arr_point{};
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public:
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Point4D () = default;
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Point4D (const Point4D& point4D);
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Point4D& operator=(const Point4D& point4D) { _arr_point = point4D._arr_point; return *this; };
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explicit Point4D (double x, double y = 0.0, double z = 0.0, double w = 0.0);
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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]] double z() const { return _arr_point[2]; }
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[[nodiscard]] double w() const { return _arr_point[3]; }
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[[nodiscard]] double operator[] (int i) const;
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[[nodiscard]] Point4D operator-() const;
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// Boolean operations
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bool operator==(const Point4D& point4D) const;
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bool operator!=(const Point4D& point4D) const;
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// Operations with Point4D
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[[nodiscard]] Point4D operator+(const Point4D& point4D) const;
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[[nodiscard]] Point4D operator-(const Point4D& point4D) const;
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[[nodiscard]] double dot(const Point4D& point4D) const; // Returns dot product
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[[nodiscard]] Point4D cross3D(const Point4D& point4D) const; // Returns cross product
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// Operations with numbers
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[[nodiscard]] Point4D operator*(double number) const;
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[[nodiscard]] Point4D 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]] Point4D normalized() const; // Returns normalized vector without changing
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};
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#endif //INC_3DZAVR_POINT4D_H
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