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  3. UImportanceSamplingLibrary

UImportanceSamplingLibrary

API > API/Runtime > API/Runtime/Engine

   
Name UImportanceSamplingLibrary
Type class
Header File /Engine/Source/Runtime/Engine/Classes/Kismet/ImportanceSamplingLibrary.h
Include Path #include "Kismet/ImportanceSamplingLibrary.h"

Syntax

UCLASS (MinimalAPI)  
class UImportanceSamplingLibrary : public UBlueprintFunctionLibrary

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UImportanceSamplingLibrary ( const FObjectInitializer& ObjectInitializer
)

   Kismet/ImportanceSamplingLibrary.h  

Functions

Public

Static

Name Remarks Include Path Unreal Specifiers

static void BreakImportanceTexture ( const FImportanceTexture& ImportanceTexture,
UTexture2D*& Texture,
TEnumAsByte< EImportanceWeight::Type >& WeightingFunc
)

 Get texture used to create an ImportanceTexture object Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Meta=(NativeBreakFunc)
  • Category="Math|Random"

static 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. Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static FImportanceTexture MakeImportanceTexture ( UTexture2D* Texture,
TEnumAsByte< EImportanceWeight::Type > WeightingFunc
)

 Create an FImportanceTexture object for texture-driven importance sampling from a 2D RGBA8 texture Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Meta=(NativeMakeFunc)
  • Category="Math|Random"

static FVector2D NextSobolCell2D ( int32 Index,
int32 NumCells,
FVector2D PreviousValue
)

   Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static FVector NextSobolCell3D ( int32 Index,
int32 NumCells,
FVector PreviousValue
)

   Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static float NextSobolFloat ( int32 Index,
int32 Dimension,
float PreviousValue
)

   Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static FVector2D RandomSobolCell2D ( int32 Index,
int32 NumCells,
FVector2D Cell,
FVector2D Seed
)

   Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static FVector RandomSobolCell3D ( int32 Index,
int32 NumCells,
FVector Cell,
FVector Seed
)

   Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

static float RandomSobolFloat ( int32 Index,
int32 Dimension,
float Seed
)

 Sobol quasi-random generator functions Kismet/ImportanceSamplingLibrary.h
  • BlueprintPure
  • Category="Math|Random"

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