 FVector4

Module 

Header 
/Engine/Source/Runtime/Core/Public/Math/Vector4.h 
Include 
#include "Math/Vector4.h" 
struct FVector4
A 4D homogeneous vector, 4x1 FLOATs, 16byte aligned.
Name  Description  

float 
W 
The vector's Wcomponent. 

float 
X 
The vector's Xcomponent. 

float 
Y 
The vector's Ycomponent. 

float 
Z 
The vector's Zcomponent. 
Name  Description  

FVector4 ( 
Creates and initializes a new vector from a color value. 

FVector4 ( 
Creates and initializes a new vector to zero. 

FVector4 ( 
Constructor. FVector4 inline functions 

FVector4 
Creates and initializes a new vector from the specified 2D vectors. 

FVector4 ( 
Creates and initializes a new vector from the specified components. 
Name  Description  

float & 
Component ( 
Gets a specific component of the vector. 


const float ... 
Component ( 
Gets a specific component of the vector. 

bool 
ContainsNaN() 
Utility to check if there are any nonfinite values (NaN or Inf) in this vector. 
void 
DiagnosticCheckNaN() 


bool 
Equals ( 
Error tolerant comparison. 

void 
FindBestAxisVectors3 
Find good arbitrary axis vectors to represent U and V axes of a plane, given just the normal. 

GetSafeNormal ( 
Returns a normalized copy of the vector if safe to normalize. 


GetUnsafeNormal3() 
Calculates normalized version of vector without checking if it is nonzero. 

bool 
InitFromString ( 
Initialize this Vector based on an FString. 


bool 
IsNearlyZero3 ( 
Utility to check if all of the components of this vector are nearly zero given the tolerance. 

bool 
IsUnit3 ( 
Check if the vector is of unit length, with specified tolerance. 

Reflect3 ( 
Reflect vector. 


Rotation() 
Return the FRotator orientation corresponding to the direction in which the vector points. 

bool 
Serialize ( 

void 
Set ( 
Set all of the vectors coordinates. 


float 
Size() 
Get the length (magnitude) of this vector, taking the W component into account 

float 
Size3() 
Get the length of this vector not taking W component into account. 

float 
SizeSquared() 
Get the squared length of this vector, taking the W component into account 

float 
SizeSquared3() 
Get the squared length of this vector not taking W component into account. 

ToOrientationQuat() 
Return the Quaternion orientation corresponding to the direction in which the vector points. 


ToOrientationRotator() 
Return the FRotator orientation corresponding to the direction in which the vector points. 


ToString() 
Get a textual representation of the vector. 
Name  Description  


operator ( 
Gets the result of subtracting a vector from this. 


operator() 
Gets a negated copy of the vector. 


bool 
operator!= ( 
Checks for inequality against another vector. 

operator* ( 
Gets the result of multiplying a vector with this. 


operator* ( 
Gets the result of scaling this vector. 

operator*= ( 
Gets the result of scaling this vector. 

operator*= ( 
Gets the result of multiplying a vector with another Vector (component wise). 


operator/ ( 
Gets the result of dividing this vector. 


operator/ ( 
Gets the result of dividing this vector. 

operator/= ( 
Gets the result of dividing a vector with another Vector (component wise). 


float 
operator[] ( 
Access a specific component of the vector. 
float & 
operator[] ( 
Access a specific component of the vector. 


operator^ ( 
Calculate Cross product between this and another vector. 


operator+ ( 
Gets the result of adding a vector to this. 

operator+= ( 
Adds another vector to this one. 

operator= ( 
Subtracts another vector to this one. 


bool 
operator== ( 
Checks for equality against another vector. 