ultra easy yield wiatforseconds and it does't work

and whats going on here?

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3.  
4. public class NewBehaviourScript1 : MonoBehaviour {
5.     GameObject obiekt;
6.     int xx ;
7.      bool aaa=true;
8.  
9.     void Start () {
10.    
11.     }
12.    
13.     void Update () {
14.         if (aaa) {waitt();}
15.                 }
16.    
17. void waitt()
18.     {
19.         aaa=false;
20.         yield WaitForSeconds(2);
21.     obiekt.SetActive(true);
22. }
23. }

 

Coroutines need to be started with StartCoroutine(CoroutineName()), or something similar: http://docs.unity3d.com/ScriptReference/MonoBehaviour.StartCoroutine.html.

The coroutine method also needs to return IEnumerator, not void.

 

all of those thinngs that GetupKid said.

But in addition, if you want your coroutine to keep running every two seconds forever, you need to put an infinite loop in it, ironically.

like this:

Code (CSharp):

1.     IEnumerator waitt()
2.     {
3.         while(true)
4.         {
5.             aaa=false;
6.             yield WaitForSeconds(2);
7.             obiekt.SetActive(true);
8.         }
9.     }

If you don't do that, it will run once to completion, and then stop running. Although in the case you posted, it would do the first half, wait for two seconds, do the second half, and then stop running (maybe that's what you want? )

 

the code was supposed to turn on a gameobject after 2s. thx for your help.yeah in javerscript things work a bit diffrent,I didnt have any idea that i have to use IEnumerator in C# to make things like this

 

I thought it was yield return, not just yield...?

And everyone above is right. It needs to return IEnumerator, not void, and needs to be called with StartCoroutine().

 

or

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3. public class NewBehaviourScript1 : MonoBehaviour {
4.     GameObject obiekt;
5.     int xx ;
6.     //bool aaa=true;
7.     void Start () {
8.       Invoke("waitt", 2.0f);
9.     }
10.  
11.     void Update () {
12.      //   if (aaa) {waitt();}
13.      }
14.  
15. void waitt()
16.     {
17.       //  aaa=false;
18.         //yield WaitForSeconds(2);
19.     obiekt.SetActive(true);
20. }
21. }

cranky was mostly right above as well... but for c# it is

Code (CSharp):

1.  yield return new WaitForSeconds(2.0f);