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Question by TheCount · Mar 04, 2018 at 04:10 AM · c#gameobjectraycasthit2dfunctions

Calling a function from another script on Raycast2D

One character hits the other character, and I want to call the "Die()" function on the other character as it contains the animation

Character 1 kill function:

     void MeleeKill (){
         RaycastHit2D hit = Physics2D.Raycast(transform.position, Vector2.right, 100);
         if (hit.collider != null) {
             hit.collider.gameObject.GetComponent<badguy>().Die();
         }
     }


Character 2 dying function in script "badguy":

     public void Die (){
         anim.Play ("die");
         killCount = true;
         deathTime = currentTime + deathTime;
     }
 

Whenever I run I get the following error: NullReferenceException: Object reference not set to an instance of an object

It refers always to the

 hit.collider.gameObject.GetComponent<badguy>().Die();

Line in the first script.

I have been struggling with this for hours...

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avatar image Chik3r · Mar 04, 2018 at 06:23 PM 0
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Try adding hit.collider.CompareTag("badguyTag") to your if. How it should look like: if (hit.collider != null && hit.collider.CompareTag("badguyTag"))

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Answer by Ace71425 · Mar 04, 2018 at 05:07 AM

I'm not sure if this is the "best" way to access functions in scripts but this is how I do it.

in your bad guy script put this as a public variable at the top

public static badguy access;

then in the start function of that script put

access = this;

Then you can now call any function from that script in another script....so call your Die function like this

badguy.access.Die();

Sorry if this didn't answer your question :(

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avatar image Chik3r · Mar 04, 2018 at 06:20 PM 0
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And what if he has multiple bad guys

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