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Question by gboroda17 · Feb 14, 2014 at 10:13 PM · c#gameobjectdestroy

Destroy + Score

I need destroy object which i click and add some points to score. All objects what i clicking destroying fine but points adds only one time. whats wrong?

 public class Coins : MonoBehaviour {
 
     public GUIText cointext;
 
     public int curCoins;
     public int maxCoins = 10;
     public int X = 0;
 
 
     // Use this for initialization
     void Start () {
     
     }
     
     // Update is called once per frame
     void Update () {
 
     }
 
     void OnMouseDown() {
     if (gameObject.tag == "element") {
             print ("+ " + X);
             X++;
             Destroy(this.gameObject);
                 }
     }
 
 }
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avatar image getyour411 · Feb 14, 2014 at 11:01 PM 0
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You wanted points to be added more than once for a gameObject that you've Destroy()'ed?

avatar image instruct9r · Feb 14, 2014 at 11:07 PM 0
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You want to collect points, so they increase for every obtject, that you destroy? You can't do it this way, because every object, starts with it's own X = 0. $$anonymous$$eaning if you click on 10 objects the X won't become 10. You need Game$$anonymous$$anager script, that every object is sending information to...

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Answer by rutter · Feb 14, 2014 at 11:07 PM

The way you've declared your variables, each Coins script has its own cointext, curCoins, maxCounts, and X.

Some of those values might make sense in another component (is "score" really a notion each coin should track, or is "score" something each player has?).

The following is just an example; it assumes that you have a GameObject named "Player" with a "PlayerScript" component that exposes a public function "GetCoin". We don't need to know what exactly GetCoin does, but we can probably assume that it increases the player's score.

 void OnMouseDown() {
     GameObject player = GameObject.Find("Player");
     PlayerScript playerScript = player.GetComponent<PlayerScript>();
     playerScript.GetCoin();
     
     Destroy(gameObject);
 }

As an alternative, you could declare some of those as static fields:

 static int score;

That way, the score field is shared by all instances of the Coin class. If other scripts need to access this data, you'll need to expose it publicly (consider making it read-only).

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avatar image gboroda17 · Feb 15, 2014 at 03:41 PM 0
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Got it! Thank you

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