AActor::OnInputTouchEnter

property Engine Blueprint Since 4.0

#include "GameFramework/Actor.h"

Access: public Specifiers: UPROPERTYBlueprintAssignable

Description

Delegate fired when a finger moves onto this actor's touch area while a touch is already active and touch over events are enabled in the player controller.

Caveats & Gotchas

• Requires bEnableTouchOverEvents on the player controller, which is separate from bEnableTouchEvents. Forgetting to enable this is the most common reason this delegate never fires.
• This is a 'hover enter' for touch, not a new touch — the touch must have started elsewhere and dragged onto this actor. For initial touch start use OnInputTouchBegin.

Signature

FActorBeginTouchOverSignature OnInputTouchEnter

Example

Highlight actor as finger drags over it C++

void ADraggableTarget::BeginPlay()
{
    Super::BeginPlay();
    OnInputTouchEnter.AddDynamic(this, &ADraggableTarget::OnFingerEnter);
}

void ADraggableTarget::OnFingerEnter(ETouchIndex::Type FingerIndex, AActor* TouchedActor)
{
    SetHighlighted(true);
}

Version History

Introduced in: 4.0

Version	Status	Notes
5.6	stable	—

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