#ifndef VECTOR3_HPP
#define VECTOR3_HPP

#include <cmath>
#include <iostream>

class Vector3 {
private:
    float x_, y_, z_;

public:
    Vector3(float x = 0, float y = 0, float z = 0) : x_(x), y_(y), z_(z) {}
    // Vector3(float x, float y, float z) : x_(x), y_(y), z_(z) {}

    // ������
    float x() const { return x_; }
    float y() const { return y_; }
    float z() const { return z_; }

    // �����
    Vector3 operator+(const Vector3& v) const;
    Vector3 operator-(const Vector3& v) const;
    Vector3 operator*(float s) const;
    Vector3 operator/(float s) const;
    Vector3 operator-() const;
    void setX(float x) { x_ = x; }
    void setY(float y) { y_ = y; }
    void setZ(float z) { z_ = z; }
    // ��������
    float dot(const Vector3& v) const;
    Vector3 cross(const Vector3& v) const;
    float norm() const;
    float normSquared() const;
    Vector3 normalized() const;

    // �Ƚ�
    bool operator==(const Vector3& v) const;
    bool operator!=(const Vector3& v) const;

    // ���
    friend std::ostream& operator<<(std::ostream& os, const Vector3& v);
};

// ��������������������ת�������޵����˹��ת��ʽ��
Vector3 rotateAroundAxis(const Vector3& v, const Vector3& axis, float angle);

#endif