Matrix4x4.h

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#ifndef ULT_MATH_MATRIX4X4_H_INCLUDED
#define ULT_MATH_MATRIX4X4_H_INCLUDED
 
namespace Ult
{
 
class Vector3D;

class Matrix4x4
{
public:
    Matrix4x4();
    Matrix4x4(
        const float r11, const float r12, const float r13, const float r14,
        const float r21, const float r22, const float r23, const float r24,
        const float r31, const float r32, const float r33, const float r34,
        const float r41, const float r42, const float r43, const float r44
    );

    void Add(const Matrix4x4& m1, const Matrix4x4& m2);
    void Subtract(const Matrix4x4& m1, const Matrix4x4& m2);
    void Multiple(const Matrix4x4& m1, const Matrix4x4& m2);

    void operator=(const Matrix4x4& m);
    Matrix4x4 operator-(const Matrix4x4& m) const;
    Matrix4x4 operator+(const Matrix4x4& m) const;
    Matrix4x4 operator*(const Matrix4x4& m) const;

    void Identity();
    void Zero();

    void Translate(const Vector3D& v);
    void Translate(const float x, const float y, const float z);

    Vector3D InverseTranslateVector(const Vector3D& v) const;

    bool InverseMatrix(const Matrix4x4& m);
    void InvertMatrix(const Matrix4x4& m);

    Vector3D VectorMatrixMultiply(const Vector3D& v) const;
    Vector3D VectorMatrixMultiply3x3(const Vector3D& v) const;
    Vector3D VectorMatrixMultiply3x3Inv(const Vector3D& v) const;

    void Transpose(const Matrix4x4& m);
    void Scale(const Vector3D& scale);

    void SetRotationRadians(const float x, const float y, const float z);
    void Rotate(const float angleDegrees, const int x, const int y, const int z);
    void RotateAxis(const float angleDegrees, const Vector3D& axis);
    void RotateX(const float angleDegrees);
    void RotateY(const float angleDegrees);
    void RotateZ(const float angleDegrees);

    void CreateViewMatrix(const Vector3D& pos, const Vector3D& dir, const Vector3D& up, const Vector3D& right);

    float matrix[16];
};
 
} // namespace Ult
 
#endif // ULT_MATH_MATRIX4X4_H_INCLUDED