shooter/engine/Vec4D.h

47 lines
1.4 KiB
C++

//
// Created by Иван Ильин on 12.01.2021.
//
#ifndef ENGINE_POINT4D_H
#define ENGINE_POINT4D_H
#include <array>
class Vec4D final {
private:
std::array<double, 4> _arr_point{};
public:
Vec4D () = default;
Vec4D (const Vec4D& point4D);
explicit Vec4D (double x, double y = 0.0, double z = 0.0, double w = 0.0);
Vec4D& operator=(const Vec4D& point4D) = default;
[[nodiscard]] double x() const { return _arr_point[0]; }
[[nodiscard]] double y() const { return _arr_point[1]; }
[[nodiscard]] double z() const { return _arr_point[2]; }
[[nodiscard]] double w() const { return _arr_point[3]; }
[[nodiscard]] Vec4D operator-() const;
// Boolean operations
bool operator==(const Vec4D& point4D) const;
bool operator!=(const Vec4D& point4D) const;
// Operations with Vec4D
[[nodiscard]] Vec4D operator+(const Vec4D& point4D) const;
[[nodiscard]] Vec4D operator-(const Vec4D& point4D) const;
// Operations with numbers
[[nodiscard]] Vec4D operator*(double number) const;
[[nodiscard]] Vec4D operator/(double number) const;
// Other useful methods
[[nodiscard]] double sqrAbs() const; // Returns squared vector length
[[nodiscard]] double abs() const; // Returns vector length
[[nodiscard]] Vec4D normalized() const; // Returns normalized vector without changing
};
#endif //INC_3DZAVR_POINT4D_H