Trying to Create a Powerup that lasts a certain amount of time

Question

Hello! I'm new to coding, so please bear with me. I'm trying to create code for a powerup that will double the number of points received when other objects are picked up. Here's what I have so far:

 #pragma strict
 
 var points : int;
 var timer: float = 300; // set duration time in seconds in the Inspector
 
 function Update () {
 
 }
 
 function OnTriggerEnter (col){
     timer -= Time.deltaTime;
         if (timer > 0)
         {
            OnTriggerEnter(){
                    points += (points * 2);
            }
     }
 }

I do have a points mechanic already set up within my PlayerStatus script and the script for the other pickup. But I keep getting this error:

Error BCE0043: Unexpected token: col. (BCE0043) (Assembly-UnityScript)

I've tried replacing "col" with "Collider" and "Collision" and both of them give me this error:

Error BCE0017: The best overload for the method 'doubleScore.OnTriggerEnter(Object)' is not compatible with the argument list '()'. (BCE0017) (Assembly-UnityScript)

I'm at a loss. Anybody have any advice?

Answer 1

Answer by arklay_corp · Apr 24, 2014 at 01:23 AM

I'm not used to javascript so maybe there are some syntax error, but try:

 #pragma strict
  
 var points : int;
 var timer: float = 300; // set duration time in seconds in the Inspector
  
 function Update () {
        if (timer > 0)
         {
            timer -= Time.deltaTime;
      } 
 }
  
 function OnTriggerEnter (col: Collider){
        if (timer > 0)
         {
            OnTriggerEnter(){
                  points += (points * 2);
         }
     }
 }

You will also need to check what hit the collider, as Ant0ny points out

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Trying to Create a Powerup that lasts a certain amount of time

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