Why !EventSystem.current.IsPointerOverGameObject(touch.fingerId) is not working anymore?

The below code used to work for me when I tested it few months back.Now I cant see it working.The hit gets registered behind the UI always and the model that I placed using the UNITYARHIT example scene gets placed behind the UI.

Code (CSharp):

1. #else
2.         if (Input.touchCount > 0 && m_HitTransform != null)
3.         {
4.             var touch = Input.GetTouch(0);
5.             if (touch.phase == TouchPhase.Began || touch.phase == TouchPhase.Moved && !EventSystem.current.IsPointerOverGameObject(touch.fingerId))
6.             {
7.                 var screenPosition = Camera.main.ScreenToViewportPoint(touch.position);
8.                 ARPoint point = new ARPoint {
9.                     x = screenPosition.x,
10.                     y = screenPosition.y
11.                 };
12.  
13.                 // prioritize reults types
14.                 ARHitTestResultType[] resultTypes = {
15.                     ARHitTestResultType.ARHitTestResultTypeExistingPlaneUsingGeometry,
16.                     //ARHitTestResultType.ARHitTestResultTypeExistingPlaneUsingExtent,
17.                     // if you want to use infinite planes use this:
18.                    // ARHitTestResultType.ARHitTestResultTypeExistingPlane,
19.                     ARHitTestResultType.ARHitTestResultTypeEstimatedHorizontalPlane,
20.                     //ARHitTestResultType.ARHitTestResultTypeEstimatedVerticalPlane,
21.                     //ARHitTestResultType.ARHitTestResultTypeFeaturePoint
22.                 };
23.  
24.                 foreach (ARHitTestResultType resultType in resultTypes)
25.                 {
26.                     if (HitTestWithResultType (point, resultType))
27.                     {
28.                         return;
29.                     }
30.                 }
31.             }
32.         }
33.         #endif

The below script I have added to the model to swipe to rotate.On touch the model moves awkwardly.It moves along the plane and rotates.Once the plane gets detected do I have to turn off the plane detection to make the rotation with swipe working?

Code (CSharp):

1. if(Input.touchCount==2  &&  Input.GetTouch(0).phase==TouchPhase.Moved)
2.     {
3.         // Get movement of the finger since last frame
4.         Vector2 touchDeltaPosition = Input.GetTouch(0).deltaPosition;
5.  
6.  
7.         transform.Rotate(Vector3.up ,touchDeltaPosition.x * rotspeed * Time.deltaTime, Space.World);
8.        // transform.Rotate(Vector3.right,touchDeltaPosition.y * rotspeed * Time.deltaTime,Space.World);
9.  
10.  
11.     }

 

Hello I've the same problem, I hope to find a solution somewhere

 

Code (CSharp):

1. if (touch.phase == TouchPhase.Began || touch.phase == TouchPhase.Moved  )
2.                 {
3.                     if(!EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))
4.                     {
5.                     //do stuff
6.                      }
7. }

Hassan-Kanso...I think the problem is with the format we r applying..try this format..Its working for me or try wrapping touch.phase inside brackets like this ((touch.phase == TouchPhase.Began || touch.phase == TouchPhase.Moved ) ).....

Code (CSharp):

1. if ((touch.phase == TouchPhase.Began || touch.phase == TouchPhase.Moved ) && !EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))
2. {
3.  
4. }

 

Hello,

I'm having the same problem every time I update Unity, more specifically after the last three updates. I'm using IsPointerOverGameObject in two different scripts. In one of them it works and in the other one fails. After some researching it seems that the function doesn't work only during one frame after detecting the touch.

I have found a solution: if I delete the obj folder inside my project folder, the next time I run my app it works perfectly, without changing a single line of code.

I hope this will help someone until the strange bug is corrected.

 

Have you tested the above code which I tried?

 

same issue with 2019.3.0b10 and 2019.3.f0

 

same! Unity 2019.2.17

 

This is how I resolved it (see the attached script).
The solution is to limit the check to only one go, the first check works fine

 

In my case

EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId)

returns true while the

EventSystem.current.currentSelectedGameObject

is null and wise versa! I found out that it's one frame behind. So I changed to

if (!EventSystem.current.currentSelectedGameObject)

and it's works now.

 

For anyone still looking for a workaround, the solution that worked for me was using a Graphics Raycaster and checking if the amount of raycast results was 0. If it was not 0, the function returns and the code stops executing.

Code (CSharp):

1. public GraphicRaycaster raycaster;
2. public PointerEventData pointerEventData;
3.  
4. // ...
5.  
6. void Update()
7. {
8.     // ...
9.    
10.     Touch touch = Input.GetTouch(0);
11.     pointerEventData = new PointerEventData(EventSystem.current);
12.     pointerEventData.position = touch.position;
13.     List<RaycastResult> results = new List<RaycastResult>();
14.     raycaster.Raycast(pointerEventData, results);
15.  
16.     if(results.Count != 0)
17.     {
18.         return;
19.     }
20.  
21.     // ...
22.  
23. }

 

Ben-Rasooli's solution worked for me, thanks ! For some reason during a double tap, second tap is not registered correctly with isPointingOverGameObject

 

This is so stupid... really frustratingly stupid Unity!!!

 

oooooh ,everything need a patch!