1. Epic GamesDeveloper
  3. URectLightComponent

URectLightComponent

A light component which emits light from a rectangle.

Unreal Engine C++ API Reference > Runtime > Engine > Components

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Classes/Components/RectLightComponent.h
Include #include "Components/RectLightComponent.h"

Syntax

UCLASS (Blueprintable, ClassGroup=(Lights), HideCategories=(Object, LightShafts), EditInlineNew,  
       Meta=(BlueprintSpawnableComponent), MinimalAPI)  
class URectLightComponent : public ULocalLightComponent

Remarks

A light component which emits light from a rectangle.

Variables

  Type Name Description
Public variable UProperty Category, EditAnywhere, Interp, Meta BlueprintReadOnly float BarnDoorAngle Angle of barn door attached to the light source rect.
Public variable UProperty Category, EditAnywhere, Interp, Meta BlueprintReadOnly float BarnDoorLength Length of barn door attached to the light source rect.
Public variable UProperty Category, EditAnywhere, Interp, Meta BlueprintReadOnly float SourceHeight Height of light source rect.
Public variable UProperty Category, EditAnywhere BlueprintReadOnly TObjectPtr< class UTexture > SourceTexture Texture mapped to the light source rectangle
Public variable UProperty Category, EditAnywhere, Interp, Meta BlueprintReadOnly float SourceWidth Width of light source rect.

Constructors

  Type Name Description
Public function  

URectLightComponent ( const FObjectInitializer& ObjectInitializer
)

  

Functions

  Type Name Description
Public function UFunction BlueprintCallable, Category void

SetBarnDoorAngle ( float NewValue
)

  
Public function UFunction BlueprintCallable, Category void

SetBarnDoorLength ( float NewValue
)

  
Public function UFunction BlueprintCallable, Category void

SetSourceHeight ( float NewValue
)

  
Public function UFunction BlueprintCallable, Category void

SetSourceTexture ( UTexture* NewValue
)

  
Public function UFunction BlueprintCallable, Category void

SetSourceWidth ( float NewValue
)

  

Overridden from ULightComponent

  Type Name Description
Public function Virtual Const float Compute current light brightness based on whether there is a valid IES profile texture attached, and whether IES brightness is enabled
Public function Virtual Const FLightSceneProxy *  
Public function Virtual Const ELightComponentType  
Public function Virtual Const float  
Public function Virtual void

SetLightBrightness ( float InBrightness
)

 Set the Intensity using the brightness. The unit of brightness depends on the light type.

Overridden from UObject

  Type Name Description
Public function Virtual void Called before destroying the object.
Public function Virtual void

PostEditChangeProperty ( FPropertyChangedEvent& PropertyChangedEvent
)

 Called after property has changed via e.g. property window or set command.

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