コード例 #1
0
FReply SVirtualJoystick::OnTouchEnded(const FGeometry& MyGeometry, const FPointerEvent& Event)
{
	for (int32 ControlIndex = 0; ControlIndex < Controls.Num(); ControlIndex++)
	{
		FControlInfo& Control = Controls[ControlIndex];

		// is this control the one captured to this pointer?
		if (Control.CapturedPointerIndex == Event.GetPointerIndex())
		{
			// release and center the joystick
			Control.ThumbPosition = FVector2D(0, 0);
			Control.CapturedPointerIndex = -1;

			// send one more joystick update for the centering
			Control.bSendOneMoreEvent = true;

			// Pass event as unhandled if time is too short
			if (Control.bNeedUpdatedCenter)
			{
				Control.bNeedUpdatedCenter = false;
				return FReply::Unhandled();
			}
			return FReply::Handled();
		}
	}

	return FReply::Unhandled();
}
コード例 #2
0
FReply SVirtualJoystick::OnTouchStarted(const FGeometry& MyGeometry, const FPointerEvent& Event)
{
//	UE_LOG(LogTemp, Log, TEXT("Pointer index: %d"), Event.GetPointerIndex());

	FVector2D LocalCoord = MyGeometry.AbsoluteToLocal( Event.GetScreenSpacePosition() );

	for (int32 ControlIndex = 0; ControlIndex < Controls.Num(); ControlIndex++)
	{
		FControlInfo& Control = Controls[ControlIndex];

		// skip controls already in use
		if (Control.CapturedPointerIndex == -1)
		{
			if (PositionIsInside(Control, LocalCoord, Control.InteractionSize))
			{
				// Align Joystick inside of Screen
				AlignBoxIntoScreen(LocalCoord, Control.VisualSize, MyGeometry.Size);

				Control.CapturedPointerIndex = Event.GetPointerIndex();

				if (ActivationDelay == 0.f)
				{
					CurrentOpacity = ActiveOpacity;

					if (!bPreventReCenter)
					{
						Control.VisualCenter = LocalCoord;
					}

					if (HandleTouch(ControlIndex, LocalCoord, MyGeometry.Size)) // Never fail!
					{
						return FReply::Handled();
					}
				}
				else
				{
					Control.bNeedUpdatedCenter = true;
					Control.ElapsedTime = 0.f;
					Control.NextCenter = LocalCoord;

					return FReply::Unhandled();
				}
			}
		}
	}

//	CapturedPointerIndex[CapturedJoystick] = -1;

	return FReply::Unhandled();
}
コード例 #3
0
FReply FSceneViewport::OnTouchEnded( const FGeometry& MyGeometry, const FPointerEvent& TouchEvent )
{
	// Start a new reply state
	CurrentReplyState = FReply::Handled(); 

	UpdateCachedMousePos(MyGeometry, TouchEvent);
	UpdateCachedGeometry(MyGeometry);

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

		const FVector2D TouchPosition = MyGeometry.AbsoluteToLocal(TouchEvent.GetLastScreenSpacePosition());

		if( !ViewportClient->InputTouch( this, TouchEvent.GetUserIndex(), TouchEvent.GetPointerIndex(), ETouchType::Ended, TouchPosition, FDateTime::Now(), TouchEvent.GetTouchpadIndex()) )
		{
			CurrentReplyState = FReply::Unhandled(); 
		}
	}

	return CurrentReplyState;
}
コード例 #4
0
FReply SVirtualJoystick::OnTouchMoved(const FGeometry& MyGeometry, const FPointerEvent& Event)
{
	FVector2D LocalCoord = MyGeometry.AbsoluteToLocal( Event.GetScreenSpacePosition() );

	for (int32 ControlIndex = 0; ControlIndex < Controls.Num(); ControlIndex++)
	{
		FControlInfo& Control = Controls[ControlIndex];

		// is this control the one captured to this pointer?
		if (Control.CapturedPointerIndex == Event.GetPointerIndex())
		{
			if (Control.bNeedUpdatedCenter)
			{
				return FReply::Unhandled();
			}
			else if (HandleTouch(ControlIndex, LocalCoord, MyGeometry.Size))
			{
				return FReply::Handled();
			}
		}
	}

	return FReply::Unhandled();
}
コード例 #5
0
int32 UKismetInputLibrary::PointerEvent_GetPointerIndex(const FPointerEvent& Input)
{
	return Input.GetPointerIndex();
}