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> Unreal Engine API Reference > Runtime > Engine > Materials > UMaterialExpressionScalarParameter

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UMaterialExpressionScalarParameter

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UMaterialExpression

UMaterialExpressionParameter

UMaterialExpressionScalarParameter

UMaterialExpressionCurveAtlasRowParameter

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Materials/MaterialExpressionScalarParameter.h
Include	#include "Materials/MaterialExpressionScalarParameter.h"

Syntax

class UMaterialExpressionScalarParameter : public UMaterialExpressionParameter

Variables

	Name	Description
bool	bUseCustomPrimitiveData
float	DefaultValue
uint8	PrimitiveDataIndex
float	SliderMax	Sets the upper bound for the slider on this parameter in the material instance editor.
float	SliderMin	Sets the lower bound for the slider on this parameter in the material instance editor.

Constructors

	Name	Description
	UMaterialExpressionScalarParameter ( const FObjectInitializer& ObjectIn... )

Functions

	Name	Description
bool	IsNamedParameter ( const FHashedMaterialParameterInfo ..., float& OutValue )	Return whether this is the named parameter, and fill in its value
bool	IsUsedAsAtlasPosition()
bool	SetParameterValue ( FName InParameterName, float InValue )

Overridden from UMaterialExpressionParameter

		Name	Description
	void	GetAllParameterInfo ( TArray< FMaterialParameterInfo >& ..., TArray< FGuid >& OutParameterIds, const FMaterialParameterInfo& InBa... )	Get list of parameter names for static parameter sets

Overridden from UMaterialExpression

	Name	Description
int32	Compile ( FMaterialCompiler* Compiler, int32 OutputIndex )	Create the new shader code chunk needed for the Abs expression
void	GetCaption ( TArray< FString >& OutCaptions )	Returns the text to display on the material expression (in the material editor).
bool	HasClassAndNameCollision ( UMaterialExpression* OtherExpr... )
void	SetValueToMatchingExpression ( UMaterialExpression* OtherExpr... )
void	ValidateParameterName ( const bool bAllowDuplicateName )

Overridden from UObject

		Name	Description
	void	PostEditChangeProperty ( FPropertyChangedEvent& PropertyCha... )	Called when a property on this object has been modified externally

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