coat::scripto::Mat4 Class Reference

Class for working with matrix 4 x 4. More...

Public Types
typedef comms::cMat4	mat4_t

Public Member Functions
	Mat4 ()
	Constructor for building a zero matrix.
	operator Quat () const
	Ability for converting Mat4 to Quat. More...
	operator std::string () const
	Ability for converting Mat4 to string. More...
bool	operator== (const Mat4 &b) const
	Comparison. More...
bool	identity () const
	Returns TRUE when the matrix is identity.
bool	orthonormalized () const
	Returns TRUE when the matrix is ortonormal.
bool	symmetric () const
	Returns TRUE when the matrix is symmetric.
bool	zero () const
	Returns TRUE when all values of the matrix are zero.
Mat4 &	operator() (int row, int col, float v)
	Setter like array. More...
float	operator() (int row, int col) const
	Getter like array. More...
Mat4 &	rotation (const Angles &)
Angles	rotation () const
Mat4 &	scaling (const Vec3 &)
Vec3	scaling () const
Mat4 &	translation (const Vec3 &)
Vec3	translation () const
Mat4	operator- () const
	Negation operator. More...
Mat4 &	operator+= (const Mat4 &b)
Mat4 &	operator-= (const Mat4 &b)
Mat4 &	operator*= (const Mat4 &b)
Mat4 &	operator*= (const float &k)
Mat4 &	operator/= (const float &k)
Mat4	operator+ (const Mat4 &b) const
Mat4	operator- (const Mat4 &b) const
Mat4	operator* (const Mat4 &b) const
Mat4	operator* (const float &k) const
Mat4	operator/ (const float &k) const
float	determinant () const
	Returns determinant of the matrix. More...
float	trace () const
	Returns trace of the matrix. More...
Mat4 &	invert ()
	Invert the matrix. More...
Mat4	invertCopy () const
Mat4 &	transpose ()
	Transpose the matrix. More...
Mat4	transposeCopy () const

Static Public Attributes
static const Mat4	IDENTITY
static const Mat4	ZERO

Detailed Description

Class for working with matrix 4 x 4.

Mat4  a(
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 );
Mat4  b = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };

Vec3  scaling( 1, 2, 6 );
Vec3  translation( 10, 30, 90 );
Mat4  a( scaling, translation );

Mat4  a( 0 );
// equivalent to
Mat4  b( 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0 );
// equivalent to
Mat4  c = { 0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0 };

See Also

Mat3

Since

4.5.32

Member Function Documentation

coat::scripto::Mat4::operator Quat

(

)

const

Ability for converting Mat4 to Quat.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
auto  m = Quat( a );

coat::scripto::Mat4::operator std::string

(

)

const

Ability for converting Mat4 to string.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
auto  m = string( a );

bool coat::scripto::Mat4::operator== ( const Mat4 &  b ) const

inline

Comparison.

Mat4  a;
...
if (a == Mat4( 1 )) { ... }

Mat4& coat::scripto::Mat4::operator() ( int  row, int  col, float  v  )

inline

Setter like array.

Mat4  a( 0 );
// setting a value 9.5 to row 3 and col 2
a[ 3, 2, 9.5 ];

float coat::scripto::Mat4::operator() ( int  row, int  col  ) const

inline

Getter like array.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
float  v00 = a[ 0, 0 ];
float  v32 = a[ 3, 2 ];

Mat4 coat::scripto::Mat4::operator- ( ) const

inline

Negation operator.

Mat4  a( 1 );
Mat4  na = -a;

float coat::scripto::Mat4::determinant ( ) const

inline

Returns determinant of the matrix.

Mat4  a( 1 );
float  r = a.determinant();

float coat::scripto::Mat4::trace ( ) const

inline

Returns trace of the matrix.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
float  r = a.trace();

Mat4& coat::scripto::Mat4::invert ( )

inline

Invert the matrix.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
a.invert();

Mat4 coat::scripto::Mat4::invertCopy ( ) const

inline

See Also

invert()

Mat4& coat::scripto::Mat4::transpose ( )

inline

Transpose the matrix.

Mat4  a = {
    1, 0, 0, 10,
    0, 2, 0, 30,
    0, 0, 6, 90,
    0, 0, 0,  1 };
a.transpose();

Mat4 coat::scripto::Mat4::transposeCopy ( ) const

inline

See Also

transpose()