Matrix4.h

// Copyright 2021 SMS
// License(Apache-2.0)

#pragma once

#include <cfloat>
#include <cmath>
#include <initializer_list>

class Vector3;

class Matrix4
{
public:
    float m[4][4];

    Matrix4();
    Matrix4(std::initializer_list<float> list);
    Matrix4(const float* m);

    Vector3 getTranslation() const;
    Vector3 getRotation() const;
    Vector3 getScale() const;

    void translate(const Vector3& vec);
    // void rotate(const Vector3& pivot, float angleX, float angleY, float angleZ);
    void rotateX(float angle);
    void rotateY(float angle);
    void rotateZ(float angle);
    void scale(const Vector3& vec);

    Matrix4  operator-() const;
    Matrix4& operator=(const Matrix4& rhs);
    Matrix4  operator+(const Matrix4& rhs) const;
    Matrix4& operator+=(const Matrix4& rhs);
    Matrix4  operator-(const Matrix4& rhs) const;
    Matrix4& operator-=(const Matrix4& rhs);
    Matrix4  operator*(const Matrix4& rhs) const;
    Matrix4& operator*=(const Matrix4& rhs);
    Matrix4  operator*(float rhs) const;
    Matrix4& operator*=(float rhs);

    static const Matrix4 identity;
    static const Matrix4 zero;
};

using Mat4 = Matrix4;