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Question by sandhillceltic · Mar 08, 2014 at 08:45 PM · javascriptcollisiontroubleshootingjavascript-specific

Collision of Character collider not working?

I wrote a script to pickup objects on collision, and subtract from a var.

 var stilltofind = 6;
 var leveltoload : String;
 
 function OnControllerColliderHit (hit : ControllerColliderHit) {
     if(hit.gameObject.tag == "topickup"){
         Destroy(hit.gameObject);
         stilltofind -= 1;
     }
 }
 
 function Update () {
     if(stilltofind == 0){
         Application.LoadLevel(leveltoload);
     }
 }


When I play the game, and go to the object, the object doesn't disappear, and the var isn't subtracted from.

Can somone troubleshoot?

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avatar image NoahConstable · Mar 08, 2014 at 11:05 PM 0
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Attach this script to your Player.

JavaScript:

 #pragma strict
 
 var stilltofind : int = 2;
 var leveltoload : String;
  
 function OnCollisionEnter (hit : Collision) {
     if(hit.gameObject.tag == "topickup"){
        Destroy(hit.gameObject);
        stilltofind--;
     }
 }
  
 function Update () {
     if(stilltofind == 0){
        Application.LoadLevel(leveltoload);
     }
 }

It's basically what you wrote, but I tweaked it a little. I'll explain in the comments.

If this worked, please mark this answer as correct.

If it didn't work, please notify me via the comments. I will be monitoring this page until the problem is solved, or until you are absent for a time.

Happy Coding!

Noah.

avatar image NoahConstable NoahConstable · Mar 08, 2014 at 11:14 PM 0
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Here are the basics...

  • Make sure this is attached to your Player

  • Make sure your pickup objects are tagged as whatever they are called to be in the script (Ex. "topickup")

  • Change the first variable (int) to the total number of pickup items in the scene.

  • Change the "topickip" tag to whatever you want (or keep it the way it is).

Note: I changed the ("yourVar -= 1;") to ("yourVar--"). It's easier to use a decrement for this type of thing.


If you have any issues, please ask me. If this worked, please mark this as correct.

Happy Coding!

Noah.

avatar image sandhillceltic NoahConstable · Mar 09, 2014 at 04:41 PM 0
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I relaunched Unity with no changes to the code, and the collision script worked like a charm!

I guess it was a glitch? I don't know, but it's working now. Thank you guys for all the help I got!

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Answer by golemsmk · Mar 09, 2014 at 12:28 AM

Check for your others object, their Collider-Component must be a collider, NOT a trigger if you want to use OnCharacterControllerHit function.

Other way, if you must use trigger but not collider on object for some reasons, you must attach Rigibody-component to these objects and write a Script attach to them, using the OnCollisionStay() or OnCollisionEnter() function to destroy themself or do whatever you have to do.

I hope this useful, I see no error in your code. Cheer :)!

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