TSHVector | Unreal Engine 5.7 Documentation

A vector of spherical harmonic coefficients.


Name	TSHVector
Type	class
Header File	/Engine/Source/Runtime/Core/Public/Math/SHMath.h
Include Path	#include "Math/SHMath.h"

Syntax

template<int32 Order>  
class TSHVector

Name	Remarks	Include Path
TSHVector ()	Default constructor.	Math/SHMath.h
TSHVector ( const FVector4f& Vector )		Math/SHMath.h
TSHVector ( const TSHVector< OtherOrder >& Other )		Math/SHMath.h
TSHVector ( float V0, float V1, float V2, float V3 )		Math/SHMath.h

Name	Type	Remarks	Include Path
ConstantBasisIntegral	float	The integral of the constant SH basis.	Math/SHMath.h

Name	Type	Remarks	Include Path	Unreal Specifiers
V	float		Math/SHMath.h

Name	Remarks	Include Path
void ApplyWindowing ( float Lambda )		Math/SHMath.h
bool AreFloatsValid()		Math/SHMath.h
float CalcIntegral()	Calculates the integral of the function over the surface of the sphere.	Math/SHMath.h
FVector GetMaximumDirection()	Compute the direction which the spherical harmonic is highest at.	Math/SHMath.h
void Normalize()	Scales the function uniformly so its integral equals one.	Math/SHMath.h
TSHVector< 2 > SHBasisFunction ( const FVector& Vector )	Specialization for 2nd order to avoid expensive trig functions.	Math/SHMath.h
TSHVector< 3 > SHBasisFunction ( const FVector& Vector )	Specialization for 3rd order to avoid expensive trig functions.	Math/SHMath.h

Name	Remarks	Include Path
static TSHVector AmbientFunction()	The ambient incident lighting function.	Math/SHMath.h
static TSHVector CalcDiffuseTransfer ( const FVector& Normal )		Math/SHMath.h
static float FindWindowingLambda ( const TSHVector& Vector, float TargetLaplacian )		Math/SHMath.h
static TSHVector SHBasisFunction ( const FVector& Vector )	Returns the value of the SH basis L,M at the point on the sphere defined by the unit vector Vector.	Math/SHMath.h

Name	Remarks	Include Path
TSHVector & operator*= ( const float& B )	In-place scalar multiplication operator.	Math/SHMath.h
TSHVector & operator/= ( const float& Scalar )	In-place scalar division operator.	Math/SHMath.h
TSHVector & operator+= ( const TSHVector& B )	In-place addition operator.	Math/SHMath.h
TSHVector & operator-= ( const TSHVector& B )	In-place subtraction operator.	Math/SHMath.h