C++ (Cpp) FPointerEvent::GetGestureDelta示例

FReply FSceneViewport::OnTouchGesture( const FGeometry& MyGeometry, const FPointerEvent& GestureEvent )
{
	// Start a new reply state
	CurrentReplyState = FReply::Handled();

	UpdateCachedMousePos( MyGeometry, GestureEvent );
	UpdateCachedGeometry( MyGeometry );

	if( ViewportClient )
	{
		// Switch to the viewport clients world before processing input
		FScopedConditionalWorldSwitcher WorldSwitcher( ViewportClient );

		FSlateApplication::Get().SetKeyboardFocus(ViewportWidget.Pin());

		if( !ViewportClient->InputGesture( this, GestureEvent.GetGestureType(), GestureEvent.GetGestureDelta() ) )
		{
			CurrentReplyState = FReply::Unhandled();
		}
	}

	return CurrentReplyState;
}

示例#2

显示文件

文件： KismetInputLibrary.cpp 项目： WasPedro/UnrealEngine4.11-HairWorks

FVector2D UKismetInputLibrary::PointerEvent_GetGestureDelta(const FPointerEvent& Input)
{
	return Input.GetGestureDelta();
}