50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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//
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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 Vec4D final {
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private:
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std::array<double, 4> _arr_point{};
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public:
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Vec4D() = default;
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Vec4D(const Vec4D &point4D);
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explicit Vec4D(double x, double y = 0.0, double z = 0.0, double w = 0.0);
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Vec4D &operator=(const Vec4D &point4D) = default;
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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]] Vec4D operator-() const;
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// Boolean operations
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bool operator==(const Vec4D &point4D) const;
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bool operator!=(const Vec4D &point4D) const;
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// Operations with Vec4D
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[[nodiscard]] Vec4D operator+(const Vec4D &point4D) const;
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[[nodiscard]] Vec4D operator-(const Vec4D &point4D) const;
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// Operations with numbers
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[[nodiscard]] Vec4D operator*(double number) const;
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[[nodiscard]] Vec4D 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]] Vec4D normalized() const; // Returns normalized vector without changing
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};
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#endif //INC_3DZAVR_POINT4D_H
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