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Question by Way-Finder · Aug 02, 2017 at 12:11 AM · c#unity 5editorbuttonsplay

Button disappearing when I start playmode

I have a program where I am trying to have an array of sprites that I want to change with a button click. I have the sprites rendering, but when I enter Play mode the button object I have assigned to the Hood/Hair object is disappearing.

Can anyone help me out please?

images and code below:

   using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;
     using UnityEngine.UI;
     
     public class SelectionManager : MonoBehaviour {
     
         public SpriteRenderer clothing;
         public Button Select;
         public Sprite[] clothes;
         int num = 0;
     
         void Start () {
             clothing = GetComponent<SpriteRenderer> ();
             Select = GetComponent<Button> ();
             Select.onClick.AddListener(TaskOnClick);
         }
     
         void Update () {
             clothing.sprite = clothes [num];
             }
     
         public void TaskOnClick ()
         {
                 num = +num;
                 if (num >= clothes.Length) 
                     num = 0;
         }
     }
     

alt text alt text

postplay.png (137.4 kB)
preplay.png (116.5 kB)
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Answer by $$anonymous$$ · Aug 02, 2017 at 06:31 PM

On line 15, you're assigning Select with a GetComponent(), but there's no Button component on the Hood/Hair GameObject. As a result, Select is set to null when you press play. If you get rid of that line it should work fine.

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