Bool wont return to false

Question

 using UnityEngine;
 using System.Collections;
 
 public class AFPCCrouchChecker : MonoBehaviour
 {
     public bool anythingAbovePlayer = false;
 
     void OnTriggerEnter(Collider other)
     {
         if (other.gameObject.tag != "Player")
         {
             if (other.gameObject != null)
                 anythingAbovePlayer = true;
             else
                 anythingAbovePlayer = false;
         }
     }
 }

In that code my bool is working to set it self true, but it wont turn back to false. I can set false while in game in the inspector but the else block just won't work. I don't know why?

Answer 1

OnTriggerEnter is a function called only on the frame where something entered in the trigger. So when there's nothing in the trigger, it won't call the function.

change your code to have something like that

 void OnTriggerEnter(Collider other)
      {
          if (other.gameObject.tag != "Player")
          {
                  anythingAbovePlayer = true;
          }
      }
 
 void OnTriggerExit(Collider other)
      {
          if (other.gameObject.tag != "Player")
          {
                  anythingAbovePlayer = false;
          }
      }

but if more than one things can be in the trigger at the same time you'll need to declare a counter like this

 int counter = 0;
 
 void Update(){
     if(counter > 0)
          anythingAbovePlayer = true;
     else
          anythingAbovePlayer = false;
 }
 
 void OnTriggerEnter(Collider other)
       {
           if (other.gameObject.tag != "Player")
           {
                   counter++;
           }
       }
  
  void OnTriggerExit(Collider other)
       {
           if (other.gameObject.tag != "Player")
           {
                   counter--;
           }
       }

Bool wont return to false

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