UImportanceSamplingLibrary | Unreal Engine 5.2 Documentation

Inheritance Hierarchy


Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Kismet/ImportanceSamplingLibrary.h
Include	#include "Kismet/ImportanceSamplingLibrary.h"

class UImportanceSamplingLibrary : public UBlueprintFunctionLibrary

	Type	Name	Description
		UImportanceSamplingLibrary ( const FObjectInitializer& ObjectInitializer )

Type	Name	Description
void	BreakImportanceTexture ( const FImportanceTexture& ImportanceTexture, UTexture2D*& Texture, TEnumAsByte< EImportanceWeight::Type >& WeightingFunc )	Get texture used to create an ImportanceTexture object
void	ImportanceSample ( const FImportanceTexture& Texture, const FVector2D& Rand, int Samples, float Intensity, FVector2D& SamplePosition, FLinearColor& SampleColor, float& SampleIntensity, float& SampleSize )	Distribute sample points proportional to Texture2D luminance.
FImportanceTexture	MakeImportanceTexture ( UTexture2D* Texture, TEnumAsByte< EImportanceWeight::Type > WeightingFunc )	Create an FImportanceTexture object for texture-driven importance sampling from a 2D RGBA8 texture
FVector2D	NextSobolCell2D ( int32 Index, int32 NumCells, FVector2D PreviousValue )
FVector	NextSobolCell3D ( int32 Index, int32 NumCells, FVector PreviousValue )
float	NextSobolFloat ( int32 Index, int32 Dimension, float PreviousValue )
FVector2D	RandomSobolCell2D ( int32 Index, int32 NumCells, FVector2D Cell, FVector2D Seed )
FVector	RandomSobolCell3D ( int32 Index, int32 NumCells, FVector Cell, FVector Seed )
float	RandomSobolFloat ( int32 Index, int32 Dimension, float Seed )	Sobol quasi-random generator functions