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Question by kushguglani5 · Jan 06, 2018 at 04:19 PM · c#unity3.5

NullReferenceException and he referenced script on this Behaviour

Hello i am new to unity and c#. Not be able to resolve my error. i want to count pumpkin but not able to count. My count value only changes from 0 to 1 only. @kush. Waiting for the response. Thanks

Below is my code

GolemController

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

public class GolemController : MonoBehaviour {

 private Rigidbody myBody;
 private float moveForce = 10f;
 void Awake () {
     Screen.orientation = ScreenOrientation.LandscapeLeft;
     myBody = GetComponent<Rigidbody>();
 }
 
 // Update is called once per frame
 void Update () {
     // for compuetr or desktop 
     float h = Input.GetAxis ("Horizontal"); 
     myBody.velocity = new Vector3 (-h * moveForce, 0f, 0f); 
     // for mobile device
     //myBody.transform.Translate(Input.acceleration.x, 0 ,0);
 }

}

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class GolemController : MonoBehaviour {
 
     private Rigidbody myBody;
     private float moveForce = 10f;
     void Awake () {
         Screen.orientation = ScreenOrientation.LandscapeLeft;
         myBody = GetComponent<Rigidbody>();
     }
     
     // Update is called once per frame
     void Update () {
         // for compuetr or desktop 
         float h = Input.GetAxis ("Horizontal"); 
         myBody.velocity = new Vector3 (-h * moveForce, 0f, 0f); 
         // for mobile device
         //myBody.transform.Translate(Input.acceleration.x, 0 ,0);
     }
 }
 

Spawner

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class Spawner : MonoBehaviour {
 
     public Transform[] spawnPoints;
     public GameObject pumpkin;
     void Start () {
         StartCoroutine (StartSpawning ());
     }
 
     IEnumerator StartSpawning()
     {
         yield return new WaitForSeconds (Random.Range (1f, 3.5f));
         Instantiate (pumpkin, spawnPoints [Random.Range (0, spawnPoints.Length)].position, Quaternion.identity);
         StartCoroutine (StartSpawning ());
     }
 }

PumkinScript

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

public class PumkinScript : MonoBehaviour {

 private int count;
 public Text countText;

 void Satrt(){
     count = 0;
     setCountText ();
 }

 void FixedUpdate () 
 {
     if (transform.position.y < -3f) 
     {    
         count = count + 1;
         setCountText ();
         Destroy (gameObject);
     }
 }

 void OnCollisionEnter(Collision target)
 {
     if (target.gameObject.tag == "Golem") {
         
         Destroy (target.gameObject);
         Time.timeScale = 0f;
     }
 }
 void setCountText()
 {
     
     countText.text = "Count : " + count.ToString ();
 }

}

My errors are The referenced script on this Behaviour (Game Object 'Pumkin') is missing! UnityEngine.Object:Instantiate(GameObject, Vector3, Quaternion) c__Iterator0:MoveNext() (at Assets/Script/Spawner.cs:16) UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

NullReferenceException: Object reference not set to an instance of an object PumkinScript.setCountText () (at Assets/Script/PumkinScript.cs:37) PumkinScript.FixedUpdate () (at Assets/Script/PumkinScript.cs:21)

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avatar image kushguglani5 · Jan 07, 2018 at 08:15 PM 0
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any one please provide me a solution

avatar image Ginxx009 · Jan 08, 2018 at 01:34 AM 0
Share

This error means

Object reference not set to an instance of an object PumkinScript.setCountText () If you don't drag the UI for your setCountText() into the component then it's a Null Reference Exception.

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