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Question by unity_-vdIWilFsoY4ag · Jul 19, 2020 at 11:32 AM · 2d game2d-platformer

Null Refernce Error and Points duplicate

Hey I programm a 2D Endless Runner and want to pick up some coins but I get an Null Refernce Error at the OnTriggerEnter Methode. Also some Coins get 2 Points but should get 1 point. Thats the Error: NullReferenceException: Object reference not set to an instance of an object MünzenSammler.OnTriggerEnter2D (UnityEngine.Collider2D other) (at Assets/MünzenSammler.cs:28),Hey i have a big problem. i programm a 2D Endless Runner and i want to pick up some coins but i get an Null Reference Error in the OnTriggerEnter Methode. Also some Coins giving 2 points as 1 point.

using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI;

public class MünzenSammler : MonoBehaviour {

 private int coinCounter;
 public Text scoreText;


 
     // Start is called before the first frame update
     void Start()
     {
         coinCounter = 0;
     }

     // Update is called once per frame
     void Update()
     {

     }

     void OnTriggerEnter2D(Collider2D other)
     {
         if (other.tag == "Coin")
         {
         
         coinCounter++;
         Destroy (other.gameObject);
         scoreText.text = "Score: " + coinCounter.ToString();
         Debug.Log("Score: " + coinCounter);
         
         
         }
     }

}

,using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.UI;

public class MünzenSammler : MonoBehaviour {

 private int coinCounter;
 public Text scoreText;


 
     // Start is called before the first frame update
     void Start()
     {
         coinCounter = 0;
     }

     // Update is called once per frame
     void Update()
     {

     }

     void OnTriggerEnter2D(Collider2D other)
     {
         if (other.tag == "Coin")
         {
         
         coinCounter++;
         Destroy (other.gameObject);
         scoreText.text = "Score: " + coinCounter.ToString();
         Debug.Log("Score: " + coinCounter);
         
         
         }
     }

}

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