Matrix4x4.h

 
#ifndef ACTIVE_GEOMETRY_MATRIX_4x4
#define ACTIVE_GEOMETRY_MATRIX_4x4
 
#include "Active/Geometry/Matrix3x3.h"
 
namespace active::geometry {
 
    class Matrix4x4 {
    public:
        
        // MARK: Types
        
            //Matrix row
        using row_t = std::array<double, 4>;
            //Matrix container
        using base_t = std::array<row_t, 4>;
        using Unique = std::unique_ptr<Matrix4x4>;
        using Shared = std::shared_ptr<Matrix4x4>;
        using Option = std::optional<Matrix4x4>;
        
        // MARK: Factory functions
 
        static Matrix4x4 createXRotate(const double& angle);
        static Matrix4x4 createYRotate(const double& angle);
        static Matrix4x4 createZRotate(const double& angle);
        static Matrix4x4 createScale(const double& x, const double& y, const double& z);
        static Matrix4x4 createTranslate(const double& x, const double& y, const double& z);
        static Matrix4x4 createIdentity();
        
        // MARK: Constructors
 
        Matrix4x4();
        Matrix4x4(  double a1, double b1, double c1, double d1,
                    double a2, double b2, double c2, double d2,
                    double a3, double b3, double c3, double d3,
                    double a4, double b4, double c4, double d4);
        
        // MARK: Operators
 
        Matrix4x4& operator=(const Matrix4x4& source);
        bool operator==(const Matrix4x4& ref) const;
        bool operator!=(const Matrix4x4& ref) const;
        Matrix4x4 operator*(const Matrix4x4& ref) const;
        Matrix4x4& operator*=(const Matrix4x4& ref);
        row_t operator[](unsigned short index) { return m_matrix[index]; }
        double& operator()(unsigned short row, unsigned short col) { return m_matrix[row][col]; }
        const double& operator()(unsigned short row, unsigned short col) const { return m_matrix[row][col]; }
        
        // MARK: Functions (const)
 
        Matrix4x4 getInverse() const;
        double getDeterminant() const;
        
    protected:
        Matrix3x3 getSubmatrix(unsigned short row, unsigned short col) const;
        
    private:
        base_t m_matrix;
    };
 
}
 
#endif //ACTIVE_GEOMETRY_MATRIX_4x4