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Question by HyblockerDevelopment · Aug 13, 2016 at 12:18 PM · c#movement scriptunity 5.0.2

Unity bringing Error!?

So I am using Unity 5.3.5f1 32-bit on Windows 10. I typed a script (see below) and unity is telling me I have an error at (19,1)! (Also see below)

Script:

 using UnityEngine;
 using System.Collections;
 
 public class Planet1Orbit : MonoBehaviour {
 
     // Use this for initialization
     void Start () {
         float xvalue = 129.5f;
     }
     
     // Update is called once per frame
     void Update () {
         transform.position = new Vector3(xvalue, -17.8, 108.9);
         xvalue = xvalue - 0.5;
         if (xvalue == -32.5)
         {
             xvalue = 129.5f;
     }
 }

Error: alt text

error.png (163.4 kB)
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Answer by HyblockerDevelopment · Aug 13, 2016 at 12:26 PM

Please reply Asap

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avatar image CirseiHyuga · Aug 13, 2016 at 01:45 PM 1
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I think you are missing a curved bracket after your xvalue=129.5f line 17.

avatar image HyblockerDevelopment CirseiHyuga · Aug 14, 2016 at 11:22 AM 0
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+CirseiHyuga Thanks I saw that but it brought a lot of errors like xvalue doesn't exist? Ins$$anonymous$$d I deleted the script and will play an animation. Thanks anyway.

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Answer by E-H269 · Aug 14, 2016 at 04:11 PM

This error is because of something called scope.

Scope means that is you declare a in your Start() function it will not apply to Update().

alt text

Fixed code:

  using UnityEngine;
  using System.Collections;
  
  public class Planet1Orbit : MonoBehaviour {

      float xvalue = 129.5f;

      // Use this for initialization
      void Start () {
          
      }
      
      // Update is called once per frame
      void Update () {
          transform.position = new Vector3(xvalue, -17.8, 108.9);
          xvalue = xvalue - 0.5;
          if (xvalue == -32.5)
          {
              xvalue = 129.5f;
      }
  }

scope.png (20.8 kB)
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