Keos::CMatrix4 Class Reference

Class encapsulating a standard 4x4 homogenous matrix. More...

#include <KeosMatrix4.h>

List of all members.

Public Member Functions
	CMatrix4 (Real m11=1.0f, Real m12=0.0f, Real m13=0.0f, Real m14=0.0f, Real m21=0.0f, Real m22=1.0f, Real m23=0.0f, Real m24=0.0f, Real m31=0.0f, Real m32=0.0f, Real m33=1.0f, Real m34=0.0f, Real m41=0.0f, Real m42=0.0f, Real m43=0.0f, Real m44=1.0f)
	Default constructor.
void	Identity ()
	Identity matrix.
Real	Determinant () const
	Return the determinant.
CMatrix4	Transpose () const
	Transpose the matrix.
CMatrix4	Inverse () const
	Inverse the matrix.
void	SetTranslation (Real x, Real y, Real z)
	Build a translation matrix.
void	SetTranslation (const TVector3F &Trans)
	Build a translation matrix.
void	SetScaling (Real x, Real y, Real z)
	Build a scaling matrix.
void	SetRotationX (Real Angle)
	Build a rotation X matrix.
void	SetRotationY (Real Angle)
	Build a rotation Y matrix.
void	SetRotationZ (Real Angle)
	Build a rotation Z matrix.
void	SetRotationX (Real Angle, const TVector3F &Center)
	Built a rotation X matrix by specifying the center.
void	SetRotationY (Real Angle, const TVector3F &Center)
	Built a rotation Y matrix by specifying the center.
void	SetRotationZ (Real Angle, const TVector3F &Center)
	Built a rotation Z matrix by specifying the center.
TVector3F	GetTranslation () const
	Get the translation transformation part of the matrix.
TVector3F	Transform (const TVector3F &v, Real w=1.0f) const
	Transform a vector (3 reals).
TVector4F	Transform (const TVector4F &v) const
	Transform a vector (4 reals).
void	OrthoOffCenter (Real Left, Real Top, Real Right, Real Bottom)
	Build a ortho off center matrix.
void	PerspectiveFOV (Real Fov, Real Ratio, Real Near, Real Far)
	Build a perspective projection matrix.
void	LookAt (const TVector3F &From, const TVector3F &To, const TVector3F &Up=TVector3F(0, 1, 0))
	Build a view matrix.
CMatrix4	operator+ () const
CMatrix4	operator- () const
CMatrix4	operator+ (const CMatrix4 &m) const
CMatrix4	operator- (const CMatrix4 &m) const
const CMatrix4 &	operator+= (const CMatrix4 &m)
const CMatrix4 &	operator-= (const CMatrix4 &m)
CMatrix4	operator * (const CMatrix4 &m) const
const CMatrix4 &	operator *= (const CMatrix4 &m)
const CMatrix4 &	operator *= (Real t)
const CMatrix4 &	operator/= (Real t)
bool	operator== (const CMatrix4 &m) const
bool	operator!= (const CMatrix4 &m) const
Real &	operator() (size_t i, size_t j)
	Indexed access operator.
const Real &	operator() (size_t i, size_t j) const
	Indexed access operator.
	operator Real * ()
	Cast in Real* operator.
	operator const Real * () const
	Cast in Real* operator.
Public Attributes
Real	a11
Real	a21
Real	a31
Real	a41
Real	a12
Real	a22
Real	a32
Real	a42
Real	a13
Real	a23
Real	a33
Real	a43
Real	a14
Real	a24
Real	a34
Real	a44

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Detailed Description

Class encapsulating a standard 4x4 homogenous matrix.

Definition at line 33 of file KeosMatrix4.h.

---

Constructor & Destructor Documentation

Keos::CMatrix4::CMatrix4	(	Real	m11 = 1.0f,
		Real	m12 = 0.0f,
		Real	m13 = 0.0f,
		Real	m14 = 0.0f,
		Real	m21 = 0.0f,
		Real	m22 = 1.0f,
		Real	m23 = 0.0f,
		Real	m24 = 0.0f,
		Real	m31 = 0.0f,
		Real	m32 = 0.0f,
		Real	m33 = 1.0f,
		Real	m34 = 0.0f,
		Real	m41 = 0.0f,
		Real	m42 = 0.0f,
		Real	m43 = 0.0f,
		Real	m44 = 1.0f
	)			[inline]

Default constructor.

Definition at line 212 of file KeosMatrix4.h.

Referenced by operator *(), operator+(), operator-(), and Transpose().

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Member Function Documentation

void Keos::CMatrix4::Identity

(

)

[inline]

Identity matrix.

Definition at line 223 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Real Keos::CMatrix4::Determinant

(

)

const [inline]

Return the determinant.

Returns:

Determinant value.

Definition at line 244 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by Inverse().

CMatrix4 Keos::CMatrix4::Transpose

(

)

const [inline]

Transpose the matrix.

Returns:

Transposed matrix.

Definition at line 255 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and CMatrix4().

CMatrix4 Keos::CMatrix4::Inverse

(

)

const [inline]

Inverse the matrix.

Returns:

Inversed matrix.

Definition at line 264 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and Determinant().

void Keos::CMatrix4::SetTranslation	(	Real	x,
		Real	y,
		Real	z
	)			[inline]

Build a translation matrix.

Parameters:

	x	X Translation.
	y	Y Translation.
	z	Z Translation.

Definition at line 296 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by SetRotationX(), SetRotationY(), SetRotationZ(), and SetTranslation().

void Keos::CMatrix4::SetTranslation

(

const TVector3F &

Trans

)

[inline]

Build a translation matrix.

Parameters:

Trans

Translation vector.

Definition at line 317 of file KeosMatrix4.h.

References SetTranslation(), Keos::CVector3< T >::x, Keos::CVector3< T >::y, and Keos::CVector3< T >::z.

void Keos::CMatrix4::SetScaling	(	Real	x,
		Real	y,
		Real	z
	)			[inline]

Build a scaling matrix.

Parameters:

	x	X Scaling.
	y	Y Scaling.
	z	Z Scaling.

Definition at line 323 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by Keos::Console::CLookDefault::CLookDefault(), and Keos::Console::CLookDefault::Update().

void Keos::CMatrix4::SetRotationX

(

Real

Angle

)

[inline]

Build a rotation X matrix.

Parameters:

Angle

Rotation angle in radians.

Definition at line 344 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by SetRotationX().

void Keos::CMatrix4::SetRotationY

(

Real

Angle

)

[inline]

Build a rotation Y matrix.

Parameters:

Angle

Rotation angle in radians.

Definition at line 368 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by SetRotationY().

void Keos::CMatrix4::SetRotationZ

(

Real

Angle

)

[inline]

Build a rotation Z matrix.

Parameters:

Angle

Rotation angle in radians.

Definition at line 392 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

Referenced by SetRotationZ().

void Keos::CMatrix4::SetRotationX	(	Real	Angle,
		const TVector3F &	Center
	)			[inline]

Built a rotation X matrix by specifying the center.

Parameters:

	Angle	Rotation angle in radians.
	Center	Rotation center.

Definition at line 416 of file KeosMatrix4.h.

References SetRotationX(), SetTranslation(), Keos::CVector3< T >::x, Keos::CVector3< T >::y, and Keos::CVector3< T >::z.

void Keos::CMatrix4::SetRotationY	(	Real	Angle,
		const TVector3F &	Center
	)			[inline]

Built a rotation Y matrix by specifying the center.

Parameters:

	Angle	Rotation angle in radians.
	Center	Rotation center.

Definition at line 428 of file KeosMatrix4.h.

References SetRotationY(), SetTranslation(), Keos::CVector3< T >::x, Keos::CVector3< T >::y, and Keos::CVector3< T >::z.

void Keos::CMatrix4::SetRotationZ	(	Real	Angle,
		const TVector3F &	Center
	)			[inline]

Built a rotation Z matrix by specifying the center.

Parameters:

	Angle	Rotation angle in radians.
	Center	Rotation center.

Definition at line 440 of file KeosMatrix4.h.

References SetRotationZ(), SetTranslation(), Keos::CVector3< T >::x, Keos::CVector3< T >::y, and Keos::CVector3< T >::z.

TVector3F Keos::CMatrix4::GetTranslation

(

)

const [inline]

Get the translation transformation part of the matrix.

Returns:

The translation vector.

Definition at line 452 of file KeosMatrix4.h.

References a14, a24, and a34.

TVector3F Keos::CMatrix4::Transform	(	const TVector3F &	v,
		Real	w = 1.0f
	)			const [inline]

Transform a vector (3 reals).

Parameters:

	v	Vector to be transformed.
	w	W element.

Returns:

The transformed vector.

Definition at line 458 of file KeosMatrix4.h.

References a11, a12, a13, a21, a22, a23, a31, a32, a33, a41, a42, and a43.

TVector4F Keos::CMatrix4::Transform

(

const TVector4F &

v

)

const [inline]

Transform a vector (4 reals).

Parameters:

v

Vector to be transformed.

Returns:

The transformed vector.

Definition at line 466 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

void Keos::CMatrix4::OrthoOffCenter	(	Real	Left,
		Real	Top,
		Real	Right,
		Real	Bottom
	)			[inline]

Build a ortho off center matrix.

Parameters:

	Left	Left
	Top	Top
	Right	Right
	Bottom	Bottom

Definition at line 475 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

void Keos::CMatrix4::PerspectiveFOV	(	Real	Fov,
		Real	Ratio,
		Real	Near,
		Real	Far
	)			[inline]

Build a perspective projection matrix.

Parameters:

	Fov	Field of vision.
	Ratio	Ratio width/height.
	Near	Value of near plan.
	Far	Value of far plan.

Definition at line 496 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

void Keos::CMatrix4::LookAt	(	const TVector3F &	From,
		const TVector3F &	To,
		const TVector3F &	Up = TVector3F(0, 1, 0)
	)			[inline]

Build a view matrix.

Parameters:

	From	Camera position.
	To	Camera target.
	Up	Up vector ((0, 1, 0) by default).

Definition at line 534 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, Keos::CVector3< T >::Normalize(), Keos::VectorCross(), Keos::VectorDot(), Keos::CVector3< T >::x, Keos::CVector3< T >::y, and Keos::CVector3< T >::z.

CMatrix4 Keos::CMatrix4::operator+

(

)

const [inline]

Definition at line 563 of file KeosMatrix4.h.

CMatrix4 Keos::CMatrix4::operator-

(

)

const [inline]

Definition at line 569 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and CMatrix4().

CMatrix4 Keos::CMatrix4::operator+

(

const CMatrix4 &

m

)

const [inline]

Definition at line 578 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and CMatrix4().

CMatrix4 Keos::CMatrix4::operator-

(

const CMatrix4 &

m

)

const [inline]

Definition at line 587 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and CMatrix4().

const CMatrix4 & Keos::CMatrix4::operator+=

(

const CMatrix4 &

m

)

[inline]

Definition at line 596 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

const CMatrix4 & Keos::CMatrix4::operator-=

(

const CMatrix4 &

m

)

[inline]

Definition at line 619 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

CMatrix4 Keos::CMatrix4::operator *

(

const CMatrix4 &

m

)

const [inline]

Definition at line 642 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, a44, and CMatrix4().

const CMatrix4 & Keos::CMatrix4::operator *=

(

const CMatrix4 &

m

)

[inline]

Definition at line 666 of file KeosMatrix4.h.

const CMatrix4 & Keos::CMatrix4::operator *=

(

Real

t

)

[inline]

Definition at line 674 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

const CMatrix4 & Keos::CMatrix4::operator/=

(

Real

t

)

[inline]

Definition at line 697 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

bool Keos::CMatrix4::operator==

(

const CMatrix4 &

m

)

const [inline]

Definition at line 720 of file KeosMatrix4.h.

References a11, a12, a13, a14, a21, a22, a23, a24, a31, a32, a33, a34, a41, a42, a43, and a44.

bool Keos::CMatrix4::operator!=

(

const CMatrix4 &

m

)

const [inline]

Definition at line 733 of file KeosMatrix4.h.

Real & Keos::CMatrix4::operator()	(	size_t	i,
		size_t	j
	)			[inline]

Indexed access operator.

Parameters:

	i	Line
	j	column

Returns:

Reference on the element (i, j) of the matrix.

Definition at line 739 of file KeosMatrix4.h.

References operator Real *().

Referenced by operator()().

const Real & Keos::CMatrix4::operator()	(	size_t	i,
		size_t	j
	)			const [inline]

Indexed access operator.

Parameters:

	i	Line
	j	column

Returns:

Reference on the element (i, j) of the matrix.

Definition at line 745 of file KeosMatrix4.h.

References operator()().

Keos::CMatrix4::operator Real *

(

)

[inline]

Cast in Real* operator.

Definition at line 757 of file KeosMatrix4.h.

References a11.

Referenced by operator()().

Keos::CMatrix4::operator const Real *

(

)

const [inline]

Cast in Real* operator.

Definition at line 751 of file KeosMatrix4.h.

References a11.

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Member Data Documentation

Real Keos::CMatrix4::a11

Definition at line 193 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator const Real *(), operator Real *(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a21

Definition at line 193 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a31

Definition at line 193 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a41

Definition at line 193 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a12

Definition at line 194 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a22

Definition at line 194 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a32

Definition at line 194 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a42

Definition at line 194 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a13

Definition at line 195 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a23

Definition at line 195 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a33

Definition at line 195 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a43

Definition at line 195 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a14

Definition at line 196 of file KeosMatrix4.h.

Referenced by Determinant(), GetTranslation(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a24

Definition at line 196 of file KeosMatrix4.h.

Referenced by Determinant(), GetTranslation(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a34

Definition at line 196 of file KeosMatrix4.h.

Referenced by Determinant(), GetTranslation(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

Real Keos::CMatrix4::a44

Definition at line 196 of file KeosMatrix4.h.

Referenced by Determinant(), Identity(), Inverse(), LookAt(), Keos::operator *(), operator *(), operator *=(), operator+(), operator+=(), operator-(), operator-=(), Keos::operator/(), operator/=(), Keos::operator<<(), operator==(), Keos::operator>>(), OrthoOffCenter(), PerspectiveFOV(), SetRotationX(), SetRotationY(), SetRotationZ(), SetScaling(), SetTranslation(), Transform(), and Transpose().

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The documentation for this class was generated from the following file:

• KeosEngine/KeosMatrix4.h

---