Quaternion. @note The full C++ class is located here: Engine\Source\Runtime\Core\Public\Math\Quat.h. More...

Public Member Functions
Functions
FVector	GetForwardVector () const
FQuat	opAdd (FQuat Other) const
FQuat	opSub (FQuat Other) const
FQuat	opAddAssign (FQuat Other)
FQuat	opSubAssign (FQuat Other)
bool	opEquals (FQuat Other) const
bool	Equals (FQuat Other, float Tolerance=KINDA_SMALL_NUMBER) const
bool	IsIdentity (float Tolerance=SMALL_NUMBER) const
FQuat	opMul (FQuat Other) const
FQuat	opMulAssign (FQuat Other)
FQuat	opMul (float Scale) const
FQuat	opMulAssign (float Scale)
FQuat	opDiv (float Scale) const
FQuat	opDivAssign (float Scale)
void	Normalize (float Tolerance=SMALL_NUMBER)
FQuat	GetNormalized (float Tolerance=SMALL_NUMBER) const
bool	IsNormalized () const
float	Size () const
float	SizeSquared () const
float	GetAngle () const
FQuat	Log () const
FQuat	Exp () const
FQuat	Inverse () const
float	AngularDistance (FQuat Q) const
bool	ContainsNaN () const
void	EnforceShortestArcWith (FQuat Other)
void	ToAxisAndAngle (FVector &Axis, float32 &Angle) const
void	ToAxisAndAngle (FVector &Axis, float &Angle) const
FVector	opMul (FVector Other) const
FVector	Euler () const
FVector	RotateVector (FVector V) const
FVector	UnrotateVector (FVector V) const
FVector	GetAxisX () const
FVector	GetAxisY () const
FVector	GetAxisZ () const
FQuat &	opAssign (FQuat Other)
FVector	GetRightVector () const
FVector	GetUpVector () const
FVector	Vector () const
FVector	GetRotationAxis () const
FRotator	Rotator () const
void	ToSwingTwist (FVector InTwistAxis, FQuat &OutSwing, FQuat &OutTwist) const
float	GetTwistAngle (FVector InTwistAxis) const
bool	InitFromString (FString SourceString)
FString	ToString () const

Static Public Member Functions
Static Functions
static FQuat	Squad (FQuat Quat1, FQuat Tang1, FQuat Quat2, FQuat Tang2, float Alpha)
static FQuat	FindBetween (FVector Vector1, FVector Vector2)
static FQuat	FindBetweenVectors (FVector Vector1, FVector Vector2)
static FQuat	FindBetweenNormals (FVector Normal1, FVector Normal2)
static FQuat	FastLerp (FQuat A, FQuat B, float Alpha)
static FQuat	FastBilerp (FQuat P00, FQuat P10, FQuat P01, FQuat P11, float FracX, float FracY)
static FQuat	Slerp_NotNormalized (FQuat Quat1, FQuat Quat2, float Slerp)
static FQuat	Slerp (FQuat Quat1, FQuat Quat2, float Slerp)
static float	Error (FQuat Q1, FQuat Q2)
static float	ErrorAutoNormalize (FQuat A, FQuat B)
static FQuat	SlerpFullPath_NotNormalized (FQuat Quat1, FQuat Quat2, float Slerp)
static FQuat	SlerpFullPath (FQuat Quat1, FQuat Quat2, float Slerp)
static FQuat	MakeFromEuler (FVector Euler)
static FQuat	SquadFullPath (FQuat Quat1, FQuat Tang1, FQuat Quat2, FQuat Tang2, float Alpha)
static void	CalcTangents (FQuat PrevP, FQuat P, FQuat NextP, float Tension, FQuat &OutTan)
static FQuat	MakeFromAxes (FVector Forward, FVector Right, FVector Up)
static FQuat	MakeFromX (FVector XAxis)
static FQuat	MakeFromXY (FVector XAxis, FVector YAxis)
static FQuat	MakeFromXZ (FVector XAxis, FVector ZAxis)
static FQuat	MakeFromY (FVector YAxis)
static FQuat	MakeFromYX (FVector YAxis, FVector XAxis)
static FQuat	MakeFromYZ (FVector YAxis, FVector ZAxis)
static FQuat	MakeFromZ (FVector ZAxis)
static FQuat	MakeFromZX (FVector ZAxis, FVector XAxis)
static FQuat	MakeFromZY (FVector ZAxis, FVector YAxis)

Public Attributes
Quat
float	Y
float	Z
float	W
float	X
Variables
const FVector	AxisX
const float	Angle
const FVector	AxisY
const FVector	AxisZ
const FVector	ForwardVector
const FVector	RightVector
const FVector	UpVector
const FVector	RotationAxis

Static Public Attributes
Static Variables
static const FQuat	Identity

Detailed Description

Quaternion. @note The full C++ class is located here: Engine\Source\Runtime\Core\Public\Math\Quat.h.

Member Function Documentation

◆ AngularDistance()

float AngularDistance ( FQuat Q ) const

◆ CalcTangents()

void CalcTangents	(	FQuat	PrevP,
		FQuat	P,
		FQuat	NextP,
		float	Tension,
		FQuat &	OutTan )

static

◆ ContainsNaN()

bool ContainsNaN ( ) const

◆ EnforceShortestArcWith()

void EnforceShortestArcWith ( FQuat Other )

◆ Equals()

bool Equals	(	FQuat	Other,
		float	Tolerance = KINDA_SMALL_NUMBER ) const

◆ Error()

float Error	(	FQuat	Q1,
		FQuat	Q2 )

static

◆ ErrorAutoNormalize()

float ErrorAutoNormalize	(	FQuat	A,
		FQuat	B )

static

◆ Euler()

FVector Euler ( ) const

◆ Exp()

FQuat Exp ( ) const

◆ FastBilerp()

FQuat FastBilerp	(	FQuat	P00,
		FQuat	P10,
		FQuat	P01,
		FQuat	P11,
		float	FracX,
		float	FracY )

static

◆ FastLerp()

FQuat FastLerp	(	FQuat	A,
		FQuat	B,
		float	Alpha )

static

◆ FindBetween()

FQuat FindBetween	(	FVector	Vector1,
		FVector	Vector2 )

static

◆ FindBetweenNormals()

FQuat FindBetweenNormals	(	FVector	Normal1,
		FVector	Normal2 )

static

◆ FindBetweenVectors()

FQuat FindBetweenVectors	(	FVector	Vector1,
		FVector	Vector2 )

static

◆ GetAngle()

float GetAngle ( ) const

◆ GetAxisX()

FVector GetAxisX ( ) const

◆ GetAxisY()

FVector GetAxisY ( ) const

◆ GetAxisZ()

FVector GetAxisZ ( ) const

◆ GetForwardVector()

FVector GetForwardVector ( ) const

◆ GetNormalized()

FQuat GetNormalized ( float Tolerance = SMALL_NUMBER ) const

◆ GetRightVector()

FVector GetRightVector ( ) const

◆ GetRotationAxis()

FVector GetRotationAxis ( ) const

◆ GetTwistAngle()

float GetTwistAngle ( FVector InTwistAxis ) const

◆ GetUpVector()

FVector GetUpVector ( ) const

◆ InitFromString()

bool InitFromString ( FString SourceString )

◆ Inverse()

FQuat Inverse ( ) const

◆ IsIdentity()

bool IsIdentity ( float Tolerance = SMALL_NUMBER ) const

◆ IsNormalized()

bool IsNormalized ( ) const

◆ Log()

FQuat Log ( ) const

◆ MakeFromAxes()

FQuat MakeFromAxes	(	FVector	Forward,
		FVector	Right,
		FVector	Up )

static

◆ MakeFromEuler()

FQuat MakeFromEuler ( FVector Euler )

static

◆ MakeFromX()

FQuat MakeFromX ( FVector XAxis )

static

◆ MakeFromXY()

FQuat MakeFromXY	(	FVector	XAxis,
		FVector	YAxis )

static

◆ MakeFromXZ()

FQuat MakeFromXZ	(	FVector	XAxis,
		FVector	ZAxis )

static

◆ MakeFromY()

FQuat MakeFromY ( FVector YAxis )

static

◆ MakeFromYX()

FQuat MakeFromYX	(	FVector	YAxis,
		FVector	XAxis )

static

◆ MakeFromYZ()

FQuat MakeFromYZ	(	FVector	YAxis,
		FVector	ZAxis )

static

◆ MakeFromZ()

FQuat MakeFromZ ( FVector ZAxis )

static

◆ MakeFromZX()

FQuat MakeFromZX	(	FVector	ZAxis,
		FVector	XAxis )

static

◆ MakeFromZY()

FQuat MakeFromZY	(	FVector	ZAxis,
		FVector	YAxis )

static

◆ Normalize()

void Normalize ( float Tolerance = SMALL_NUMBER )

◆ opAdd()

FQuat opAdd ( FQuat Other ) const

◆ opAddAssign()

FQuat opAddAssign ( FQuat Other )

◆ opAssign()

FQuat & opAssign ( FQuat Other )

◆ opDiv()

FQuat opDiv ( float Scale ) const

◆ opDivAssign()

FQuat opDivAssign ( float Scale )

◆ opEquals()

bool opEquals ( FQuat Other ) const

◆ opMul() [1/3]

FQuat opMul ( float Scale ) const

◆ opMul() [2/3]

FQuat opMul ( FQuat Other ) const

◆ opMul() [3/3]

FVector opMul ( FVector Other ) const

◆ opMulAssign() [1/2]

FQuat opMulAssign ( float Scale )

◆ opMulAssign() [2/2]

FQuat opMulAssign ( FQuat Other )

◆ opSub()

FQuat opSub ( FQuat Other ) const

◆ opSubAssign()

FQuat opSubAssign ( FQuat Other )

◆ RotateVector()

FVector RotateVector ( FVector V ) const

◆ Rotator()

FRotator Rotator ( ) const

◆ Size()

float Size ( ) const

◆ SizeSquared()

float SizeSquared ( ) const

◆ Slerp()

FQuat Slerp	(	FQuat	Quat1,
		FQuat	Quat2,
		float	Slerp )

static

◆ Slerp_NotNormalized()

FQuat Slerp_NotNormalized	(	FQuat	Quat1,
		FQuat	Quat2,
		float	Slerp )

static

◆ SlerpFullPath()

FQuat SlerpFullPath	(	FQuat	Quat1,
		FQuat	Quat2,
		float	Slerp )

static

◆ SlerpFullPath_NotNormalized()

FQuat SlerpFullPath_NotNormalized	(	FQuat	Quat1,
		FQuat	Quat2,
		float	Slerp )

static

◆ Squad()

FQuat Squad	(	FQuat	Quat1,
		FQuat	Tang1,
		FQuat	Quat2,
		FQuat	Tang2,
		float	Alpha )

static

◆ SquadFullPath()

FQuat SquadFullPath	(	FQuat	Quat1,
		FQuat	Tang1,
		FQuat	Quat2,
		FQuat	Tang2,
		float	Alpha )

static

◆ ToAxisAndAngle() [1/2]

void ToAxisAndAngle	(	FVector &	Axis,
		float &	Angle ) const

◆ ToAxisAndAngle() [2/2]

void ToAxisAndAngle	(	FVector &	Axis,
		float32 &	Angle ) const

◆ ToString()

FString ToString ( ) const

◆ ToSwingTwist()

void ToSwingTwist	(	FVector	InTwistAxis,
		FQuat &	OutSwing,
		FQuat &	OutTwist ) const

◆ UnrotateVector()

FVector UnrotateVector ( FVector V ) const

◆ Vector()

FVector Vector ( ) const

Member Data Documentation

◆ Angle

const float Angle

◆ AxisX

const FVector AxisX

◆ AxisY

const FVector AxisY

◆ AxisZ

const FVector AxisZ

◆ ForwardVector

const FVector ForwardVector

◆ Identity

const FQuat Identity

static

◆ RightVector

const FVector RightVector

◆ RotationAxis

const FVector RotationAxis

◆ UpVector

const FVector UpVector

◆ W

float W

◆ X

float X

◆ Y

float Y

◆ Z

float Z

Public Member Functions

Static Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Function Documentation

◆ AngularDistance()

◆ CalcTangents()

◆ ContainsNaN()

◆ EnforceShortestArcWith()

◆ Equals()

◆ Error()

◆ ErrorAutoNormalize()

◆ Euler()

◆ Exp()

◆ FastBilerp()

◆ FastLerp()

◆ FindBetween()

◆ FindBetweenNormals()

◆ FindBetweenVectors()

◆ GetAngle()

◆ GetAxisX()

◆ GetAxisY()

◆ GetAxisZ()

◆ GetForwardVector()

◆ GetNormalized()

◆ GetRightVector()

◆ GetRotationAxis()

◆ GetTwistAngle()

◆ GetUpVector()

◆ InitFromString()

◆ Inverse()

◆ IsIdentity()

◆ IsNormalized()

◆ Log()

◆ MakeFromAxes()

◆ MakeFromEuler()

◆ MakeFromX()

◆ MakeFromXY()

◆ MakeFromXZ()

◆ MakeFromY()

◆ MakeFromYX()

◆ MakeFromYZ()

◆ MakeFromZ()

◆ MakeFromZX()

◆ MakeFromZY()

◆ Normalize()

◆ opAdd()

◆ opAddAssign()

◆ opAssign()

◆ opDiv()

◆ opDivAssign()

◆ opEquals()

◆ opMul() [1/3]

◆ opMul() [2/3]

◆ opMul() [3/3]

◆ opMulAssign() [1/2]

◆ opMulAssign() [2/2]

◆ opSub()

◆ opSubAssign()

◆ RotateVector()

◆ Rotator()

◆ Size()

◆ SizeSquared()

◆ Slerp()

◆ Slerp_NotNormalized()

◆ SlerpFullPath()

◆ SlerpFullPath_NotNormalized()

◆ Squad()

◆ SquadFullPath()

◆ ToAxisAndAngle() [1/2]

◆ ToAxisAndAngle() [2/2]

◆ ToString()

◆ ToSwingTwist()

◆ UnrotateVector()

◆ Vector()

Member Data Documentation

◆ Angle

◆ AxisX

◆ AxisY