UMaterialExpressionAbsorptionMediumMaterialOutput

Material output expression for setting absorption properties of solid refractive glass (for the Path Tracer Only).

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Inheritance Hierarchy

References

Module

Engine

Header

/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionAbsorptionMediumMaterialOutput.h

Include

#include "Materials/MaterialExpressionAbsorptionMediumMaterialOutput.h"

Syntax

class UMaterialExpressionAbsorptionMediumMaterialOutput : public UMaterialExpressionCustomOutput

Remarks

Material output expression for setting absorption properties of solid refractive glass (for the Path Tracer Only).

Variables

Name Description

Public variable

FExpressionInpu...

 

TransmittanceColor

Input for the transmittance color seen after travelling a distance of 100 units into the object.

Constructors

Name Description

Public function

UMaterialExpressionAbsorptionMediumMaterialOutput

(
    const FObjectInitializer& ObjectIn...
)

Overridden from UMaterialExpressionCustomOutput

Name Description

Public function Virtual Const

FString

 

GetDisplayName()

Public function Virtual Const

FString

 

GetFunctionName()

Public function Virtual Const

int32

 

GetNumOutputs()

Override to enable multiple outputs.

Overridden from UMaterialExpression

Name Description

Public function Virtual

int32

 

Compile

(
    FMaterialCompiler* Compiler,
    int32 OutputIndex
)

Create the new shader code chunk needed for the Abs expression

Public function Virtual Const

void

 

GetCaption

(
    TArray< FString >& OutCaptions
)

Returns the text to display on the material expression (in the material editor).