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> Unreal Engine API Reference > Plugins > Niagara > UNiagaraPreviewAxis

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UNiagaraPreviewAxis

Base class for all preview axis types.

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MacOS

Linux

Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UNiagaraPreviewAxis

UNiagaraPreviewAxis_InterpParamBase

	UNiagaraPreviewAxis_InterpParamFloat
	UNiagaraPreviewAxis_InterpParamInt32
	UNiagaraPreviewAxis_InterpParamLinearColor
	UNiagaraPreviewAxis_InterpParamVector
	UNiagaraPreviewAxis_InterpParamVector2D
	UNiagaraPreviewAxis_InterpParamVector4

References

Module	Niagara
Header	/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraPreviewGrid.h
Include	#include "NiagaraPreviewGrid.h"

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Abstract, EditInlineNew, BlueprintType, Blueprintable)
class UNiagaraPreviewAxis : public UObject

Remarks

Base class for all preview axis types. NiagaraPreviewGrid uses these to control how many systems to spawn in each axis and how each system varies on that axis. C++ Examples are show below. You can also create these as Blueprint classes as show in the Plugin content folder.

Functions

		Name	Description
	void	ApplyToPreview ( UNiagaraComponent* PreviewComp..., int32 PreviewIndex, bool bIsXAxis, FString& OutLabelText )	Applies this axis for the preview at PreviewIndex on this axis.
	int32	Num()	Returns the number of previews for this axis.

Overridden from UObject

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

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