UKismetSystemLibrary::ComponentOverlapComponents

function Engine Blueprint Since 4.0

#include "Kismet/KismetSystemLibrary.h"

Access: public Specifiers: staticUFUNCTIONBlueprintCallable

Description

Finds every primitive component whose collision overlaps Component's shape as if it were placed at ComponentTransform, without actually moving Component.

Caveats & Gotchas

• Same check(Component->GetWorld()) requirement as ComponentOverlapActors — Component must already be registered in a world before calling this.
• Only Component's own collision geometry is tested; sibling or attached child components on the same actor are not automatically included unless you call this once per component.

Signature

static ENGINE_API bool ComponentOverlapComponents(UPrimitiveComponent* Component, const FTransform& ComponentTransform, const TArray<TEnumAsByte<EObjectTypeQuery> > & ObjectTypes, UClass* ComponentClassFilter, const TArray<AActor*>& ActorsToIgnore, TArray<class UPrimitiveComponent*>& OutComponents)

Parameters

Name	Type	Description	Default
Component	UPrimitiveComponent*	Component whose collision shape is used for the test.	—
ComponentTransform	const FTransform&	Where to place the component's shape for the overlap test.	—
ObjectTypes	const TArray<TEnumAsByte<EObjectTypeQuery> >&	Object Types (Project Settings > Collision) to restrict the query to.	—
ComponentClassFilter	UClass*	If set, only components of this class or subclasses are returned.	—
ActorsToIgnore	const TArray<AActor*>&	Actors whose components are excluded from the results.	—
OutComponents	TArray<UPrimitiveComponent*>&	Returned array of overlapping components. Unsorted.	—

Return Type

bool

Example

Find overlapping components at a proposed placement C++

TArray<TEnumAsByte<EObjectTypeQuery>> ObjectTypes;
ObjectTypes.Add(UEngineTypes::ConvertToObjectType(ECC_WorldDynamic));

TArray<AActor*> ActorsToIgnore;
ActorsToIgnore.Add(GetOwner());

TArray<UPrimitiveComponent*> OverlappingComponents;
FTransform ProposedTransform(FRotator::ZeroRotator, TargetLocation);
UKismetSystemLibrary::ComponentOverlapComponents(CollisionComponent, ProposedTransform, ObjectTypes, nullptr, ActorsToIgnore, OverlappingComponents);

Version History

Introduced in: 4.0

Version	Status	Notes
5.6	stable	—

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