Showcase This is my "WTF is blocking UI clicks?" script that I use, hoping it helps some people

After countless times over the years of running into the issue of "Why can't I click this button anymore!?", only to realize that a different element with raycastTarget on is blocking it, I created this very simple script. Just throw it on one GameObject in your scene (ie. GameController or something). Hopefully it will help some frustrated developers

Code (CSharp):

1. using System.Collections.Generic;
2. using UnityEngine;
3. using UnityEngine.EventSystems;
4.  
5. public class UIClickLister : MonoBehaviour
6. {
7.     public bool active;
8.  
9.     private void Update()
10.     {
11.         //List all the UI objects below mouse click that are set to receive raycasts (.raycastTarget == true)
12.         if (active && Input.GetMouseButtonDown(0)) {
13.  
14.             PointerEventData eventData = new PointerEventData(EventSystem.current);
15.             eventData.position = Input.mousePosition;
16.             List<RaycastResult> results = new List<RaycastResult>();
17.  
18.             EventSystem.current.RaycastAll(eventData, results);
19.  
20.             if (results.Count > 0) {
21.                 string objectsClicked = "";
22.                 foreach (RaycastResult result in results) {
23.                     objectsClicked += result.gameObject.name;
24.  
25.                     //If not the last element, add a comma
26.                     if (result.gameObject != results[^1].gameObject) {
27.                         objectsClicked += ", ";
28.                     }
29.                 }
30.                 Debug.Log("Clicked on: " + objectsClicked);
31.             }
32.         }
33.     }
34. }