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Question by calvintt · Jun 05, 2020 at 02:58 AM · coroutinescripting beginnergetcomponent

how do i use component gathered from ontriggerEnter, outside of that function?

trying to use the "pHealth" variable on a coroutine after the onTriggerEnter event, but pHealth wont work unless inside the trigger event,

      private void OnTriggerStay (Collider other)
         {
             if (other.tag == "Player")
             {
                 PlayerHealth pHealth = other.GetComponent<PlayerHealth>();
                 // i want to do this VVVV in the coroutine 
                 pHealth.Health -= DamagePoints;
     
                 if (isCurrentlyAttacking == true && isCurrentlyDamaging == false)
                 {
                     StartCoroutine(DealingDamage());
                 }
             }
         }
     
 
 


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Answer by SamuelRoos · Jun 05, 2020 at 04:39 AM

The pHealth variable is defined inside the OnTriggerStay() function, which means that it is only accessible from inside that function. If you want to access from everywhere inside that script, you need to put it as a global variable.

This is how your bit of code should look like:


 //Accessible from everywhere inside this script.
 PlayerHealth pHealth;
 
  private void OnTriggerStay (Collider other)
         {
              if (other.tag == "Player")
              {
                  //Instead of creating a new local variable, you assign the gathered component to the global one.
                  pHealth = other.GetComponent<PlayerHealth>();
      
                  if (isCurrentlyAttacking == true && isCurrentlyDamaging == false)
                  {
                      StartCoroutine(DealingDamage());
                  }
              }
          }
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avatar image calvintt · Jun 05, 2020 at 04:38 PM 0
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thank you so much!

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