4x4 matrix class with row-major storage. Provides common matrix operations for 3D graphics. More...

#include <Matrix4Row.h>

Public Member Functions
	Matrix4Row ()
	Default constructor. Initializes to identity matrix.

	Matrix4Row (float inMat[4][4])
	Constructs a matrix from a 2D float array.

const float *	GetAsFloatPtr () const
	Returns a pointer to the first element as a float pointer.

Matrix4Row &	operator*= (const Matrix4Row &right)
	Multiplies this matrix by another matrix.

Matrix4Row	Inverse () const
	Returns the inverse of this matrix.

Vector3	GetTranslation () const
	Gets the translation component of the matrix.

Vector3	GetXAxis () const
	Gets the X axis (first row) as a normalized vector.

Vector3	GetYAxis () const
	Gets the Y axis (second row) as a normalized vector.

Vector3	GetZAxis () const
	Gets the Z axis (third row) as a normalized vector.

Vector3	GetScale () const
	Gets the scale component of the matrix.

Static Public Member Functions
static Matrix4Row	CreateScale (float xScale, float yScale, float zScale)
	Creates a scale matrix.

static Matrix4Row	InvertMatrix (const Matrix4Row &mat)
	Inverts a matrix (static version).

static Matrix4Row	CreateScale (const Vector3 &scaleVector)
	Creates a scale matrix from a vector.

static Matrix4Row	CreateScale (float scale)
	Creates a uniform scale matrix.

static Matrix4Row	CreateRotationX (float theta)
	Creates a rotation matrix around the X axis.

static Matrix4Row	CreateRotationY (float theta)
	Creates a rotation matrix around the Y axis.

static Matrix4Row	CreateRotationZ (float theta)
	Creates a rotation matrix around the Z axis.

static Matrix4Row	CreateTranslation (const Vector3 &trans)
	Creates a translation matrix.

static Matrix4Row	CreateSimpleViewProj (float width, float height)
	Creates a simple orthographic view-projection matrix.

static Matrix4Row	CreateFromQuaternion (const Quaternion &q)
	Creates a rotation matrix from a quaternion.

static Matrix4Row	CreateLookAt (const Vector3 &eye, const Vector3 &target, const Vector3 &up)
	Creates a look-at view matrix.

static Matrix4Row	CreateOrtho (float width, float height, float pNear, float pFar)
	Creates an orthographic projection matrix.

static Matrix4Row	CreatePerspectiveFOV (float fovY, float width, float height, float pNear, float pFar)
	Creates a perspective projection matrix using field of view.

static Matrix4Row	CreatePerspective (float left, float right, float bottom, float top, float pNear, float pFar)
	Creates a perspective projection matrix.

Public Attributes
float	mat [4][4]
	The matrix elements in row-major order.

Static Public Attributes
static const Matrix4Row	Identity
	The identity matrix constant.

Friends
Matrix4Row	operator* (const Matrix4Row &a, const Matrix4Row &b)
	Matrix multiplication (a * b).

Vector3	operator* (const Matrix4Row &mat, const Vector3 &vec)
	Multiplies a matrix by a Vector3 (assumes w=1).

Vector4	operator* (const Matrix4Row &mat, const Vector4 &vec)
	Multiplies a matrix by a Vector4.

Detailed Description

4x4 matrix class with row-major storage. Provides common matrix operations for 3D graphics.

Constructor & Destructor Documentation

◆ Matrix4Row()

Matrix4Row::Matrix4Row ( float inMat[4][4] )

inlineexplicit

Constructs a matrix from a 2D float array.

Parameters

inMat 4x4 array of floats.

Member Function Documentation

◆ CreateFromQuaternion()

static Matrix4Row Matrix4Row::CreateFromQuaternion ( const Quaternion & q )

inlinestatic

Creates a rotation matrix from a quaternion.

Parameters

q	The quaternion.

Returns: The rotation matrix.

◆ CreateLookAt()

static Matrix4Row Matrix4Row::CreateLookAt	(	const Vector3 &	eye,
		const Vector3 &	target,
		const Vector3 &	up )

inlinestatic

Creates a look-at view matrix.

Parameters

eye	The camera position.
target	The target point.
up	The up direction.

Returns: The look-at matrix.

◆ CreateOrtho()

static Matrix4Row Matrix4Row::CreateOrtho	(	float	width,
		float	height,
		float	pNear,
		float	pFar )

inlinestatic

Creates an orthographic projection matrix.

Parameters

width	The width of the view volume.
height	The height of the view volume.
pNear	The near plane.
pFar	The far plane.

Returns: The orthographic projection matrix.

◆ CreatePerspective()

static Matrix4Row Matrix4Row::CreatePerspective	(	float	left,
		float	right,
		float	bottom,
		float	top,
		float	pNear,
		float	pFar )

inlinestatic

Creates a perspective projection matrix.

Parameters

left	Left plane.
right	Right plane.
bottom	Bottom plane.
top	Top plane.
pNear	Near plane.
pFar	Far plane.

Returns: The perspective projection matrix.

◆ CreatePerspectiveFOV()

static Matrix4Row Matrix4Row::CreatePerspectiveFOV	(	float	fovY,
		float	width,
		float	height,
		float	pNear,
		float	pFar )

inlinestatic

Creates a perspective projection matrix using field of view.

Parameters

fovY	Field of view in Y, in radians.
width	The width of the view.
height	The height of the view.
pNear	The near plane.
pFar	The far plane.

Returns: The perspective projection matrix.

◆ CreateRotationX()

static Matrix4Row Matrix4Row::CreateRotationX ( float theta )

inlinestatic

Creates a rotation matrix around the X axis.

Parameters

theta Angle in radians.

Returns: The rotation matrix.

◆ CreateRotationY()

static Matrix4Row Matrix4Row::CreateRotationY ( float theta )

inlinestatic

Creates a rotation matrix around the Y axis.

Parameters

theta Angle in radians.

Returns: The rotation matrix.

◆ CreateRotationZ()

static Matrix4Row Matrix4Row::CreateRotationZ ( float theta )

inlinestatic

Creates a rotation matrix around the Z axis.

Parameters

theta Angle in radians.

Returns: The rotation matrix.

◆ CreateScale() [1/3]

static Matrix4Row Matrix4Row::CreateScale ( const Vector3 & scaleVector )

inlinestatic

Creates a scale matrix from a vector.

Parameters

scaleVector The scale vector.

Returns: The scale matrix.

◆ CreateScale() [2/3]

static Matrix4Row Matrix4Row::CreateScale ( float scale )

inlinestatic

Creates a uniform scale matrix.

Parameters

scale The uniform scale.

Returns: The scale matrix.

◆ CreateScale() [3/3]

static Matrix4Row Matrix4Row::CreateScale	(	float	xScale,
		float	yScale,
		float	zScale )

inlinestatic

Creates a scale matrix.

Parameters

xScale	Scale along X.
yScale	Scale along Y.
zScale	Scale along Z.

Returns: The scale matrix.

◆ CreateSimpleViewProj()

static Matrix4Row Matrix4Row::CreateSimpleViewProj	(	float	width,
		float	height )

inlinestatic

Creates a simple orthographic view-projection matrix.

Parameters

width	The width of the view.
height	The height of the view.

Returns: The view-projection matrix.

◆ CreateTranslation()

static Matrix4Row Matrix4Row::CreateTranslation ( const Vector3 & trans )

inlinestatic

Creates a translation matrix.

Parameters

trans The translation vector.

Returns: The translation matrix.

◆ GetAsFloatPtr()

const float * Matrix4Row::GetAsFloatPtr ( ) const

inline

Returns a pointer to the first element as a float pointer.

Returns: Pointer to the matrix data.

◆ GetScale()

Vector3 Matrix4Row::GetScale ( ) const

inline

Gets the scale component of the matrix.

Returns: The scale as a Vector3.

◆ GetTranslation()

Vector3 Matrix4Row::GetTranslation ( ) const

inline

Gets the translation component of the matrix.

Returns: The translation as a Vector3.

◆ GetXAxis()

Vector3 Matrix4Row::GetXAxis ( ) const

inline

Gets the X axis (first row) as a normalized vector.

Returns: The X axis.

◆ GetYAxis()

Vector3 Matrix4Row::GetYAxis ( ) const

inline

Gets the Y axis (second row) as a normalized vector.

Returns: The Y axis.

◆ GetZAxis()

Vector3 Matrix4Row::GetZAxis ( ) const

inline

Gets the Z axis (third row) as a normalized vector.

Returns: The Z axis.

◆ Inverse()

Matrix4Row Matrix4Row::Inverse ( ) const

Returns the inverse of this matrix.

Returns: The inverted matrix.

Note: This operation is slow.

◆ InvertMatrix()

static Matrix4Row Matrix4Row::InvertMatrix ( const Matrix4Row & mat )

inlinestatic

Inverts a matrix (static version).

Parameters

mat	The matrix to invert.

Returns: The inverted matrix, or identity if not invertible.

◆ operator*=()

Matrix4Row & Matrix4Row::operator*= ( const Matrix4Row & right )

inline

Multiplies this matrix by another matrix.

Parameters

right The right-hand matrix.

Returns: Reference to this matrix.

Friends And Related Symbol Documentation

◆ operator* [1/3]

Matrix4Row operator*	(	const Matrix4Row &	a,
		const Matrix4Row &	b )

friend

Matrix multiplication (a * b).

Parameters

a	Left matrix.
b	Right matrix.

Returns: Resulting matrix.

◆ operator* [2/3]

Vector3 operator*	(	const Matrix4Row &	mat,
		const Vector3 &	vec )

friend

Multiplies a matrix by a Vector3 (assumes w=1).

Parameters

mat	The matrix.
vec	The vector.

Returns: The transformed Vector3.

◆ operator* [3/3]

Vector4 operator*	(	const Matrix4Row &	mat,
		const Vector4 &	vec )

friend

Multiplies a matrix by a Vector4.

Parameters

mat	The matrix.
vec	The vector.

Returns: The transformed Vector4.

The documentation for this struct was generated from the following files:

D:/DEV JEUX/2025/CPP/Opengl/ClutterEngineOpenGL/ClutterEngine/Engine/Core/Maths/Matrix/Matrix4Row.h
D:/DEV JEUX/2025/CPP/Opengl/ClutterEngineOpenGL/ClutterEngine/Engine/Core/Maths/Matrix/Matrix4Row.cpp

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

◆ Matrix4Row()

Member Function Documentation

◆ CreateFromQuaternion()

◆ CreateLookAt()

◆ CreateOrtho()

◆ CreatePerspective()

◆ CreatePerspectiveFOV()

◆ CreateRotationX()

◆ CreateRotationY()

◆ CreateRotationZ()

◆ CreateScale() [1/3]

◆ CreateScale() [2/3]

◆ CreateScale() [3/3]

◆ CreateSimpleViewProj()

◆ CreateTranslation()

◆ GetAsFloatPtr()

◆ GetScale()

◆ GetTranslation()

◆ GetXAxis()

◆ GetYAxis()

◆ GetZAxis()

◆ Inverse()

◆ InvertMatrix()

◆ operator*=()

Friends And Related Symbol Documentation

◆ operator* [1/3]

◆ operator* [2/3]

◆ operator* [3/3]