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Question by ericozavr · Sep 04, 2021 at 08:31 AM · variable

So I have script that works with button and when i click on it it returns value. I want to do to script would use value from another script. And i don`t unserstand waht should i put in inspector.

So this a code that work woth button.

 public class TouchEvent : MonoBehaviour
 {
   
   public int currentNmber = 0;
   public void TouchDice1()
   {
     
     currentNmber = 1;
     Debug.Log(currentNmber);
   }
       
 }


And this is code that cousl take value from script above. On the last line of Update function you can see GetComponent<> that i used

 public class BezierTest : MonoBehaviour
 {
   public   TouchEvent value;
 
 
   bool movement = true;
    
   private void Update()
   {
         
     Vector3 pos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
     RaycastHit2D hit = Physics2D.Raycast(pos, Vector2.zero);
     if (hit.collider != null)
     {
 
       movement = false;
       Debug.Log(GetComponent<TouchEvent>().currentNmber);
 
     }
   }
 
 }

Here is a problem that i dont undestand how to solve. What should i put in it? Also there is a Hierarchy for your facilities. .alt text

alt text

photo-2021-09-04-11-23-15.jpg (14.8 kB)
photo-2021-09-04-11-26-32.jpg (7.7 kB)
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Answer by ericozavr · Sep 05, 2021 at 10:50 AM

I just tryed and it doesnt work. Now there is no eceptions but currentNumber is always 0 whatever i press. Any ideas how to fix this?

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Answer by Gustav2302 · Sep 04, 2021 at 12:11 PM

It depends. If both scripts are on the same gameobject then you just need to call GetComponent() and then it would look something like this:

 public class BezierTest : MonoBehaviour
  {
    TouchEvent value;
    int num;
  
  
    bool movement = true;
    private void Start()
    {
       value = GetComponent<TouchEvent>();
    } 
    private void Update()
    {
      num = value.currentNmber;
      Vector3 pos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
      RaycastHit2D hit = Physics2D.Raycast(pos, Vector2.zero);
      if (hit.collider != null)
      {
        
        movement = false;
        Debug.Log(GetComponent<TouchEvent>().currentNmber);
  
      }
    }
  
  }

In this case you don't need to do anything in the inspector. Otherwise, if the two scripts are located on different gameobjects you will have to first create a public GameObject in your script and get the component from there. The code should then look like this:

 public class BezierTest : MonoBehaviour
  {
    public GameObject target;
    TouchEvent value;
    int num;
  
  
    bool movement = true;
    private void Start()
    {
       value = target.GetComponent<TouchEvent>();
    } 
    private void Update()
    {
      num = value.currentNmber;
      Vector3 pos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
      RaycastHit2D hit = Physics2D.Raycast(pos, Vector2.zero);
      if (hit.collider != null)
      {
  
        movement = false;
        Debug.Log(GetComponent<TouchEvent>().currentNmber);
  
      }
    }
  
  }

In the inspector all you need to do then is drag the wanted gameobject from the hierarchy to the public value 'target'

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