How to make the script wait sleep in a simple way in unity

Question

How can I put  a sleep function between the TextUI text         to wait 3 seconds between each phrase   public Text GuessUI  public Text TextUI       truncated      TextUI text    Welcome to Number Wizard    TextUI text     The highest number you can pick is     max   TextUI text     The lowest number you can pick is     min     I already tried various things but none have worked  such as this   TextUI text    Welcome to Number Wizard    yield WaitForSeconds  3   TextUI text     The highest number you can pick is     max   yield WaitForSeconds  3   TextUI text     The lowest number you can pick is     min     In bash  it would be   echo  Welcome to Number Wizard   sleep 3 echo  The highest number you can pick is 1000  sleep 3         but I can t figure out how to do this in Unity with C

User · Answer

here is more simple way without StartCoroutine  float t   0f  float waittime   1f   and inside Update FixedUpdate  if  t  lt  0       t    Time deltaTIme   waittime      yield return t

User · Answer

There are many ways to wait in Unity  It is really simple but I think it s worth covering most ways to do these   1 With a coroutine and WaitForSeconds   The is by far the simplest way  Put all the code that you need to wait for some time in a coroutine function then you can wait with WaitForSeconds  Note that in coroutine function  you call the function with StartCoroutine yourFunction    Example below will rotate 90 deg  wait for 4 seconds  rotate 40 deg and wait for 2 seconds  and then finally rotate rotate 20 deg   void Start         StartCoroutine waiter        IEnumerator waiter           Rotate 90 deg     transform Rotate new Vector3 90  0  0   Space World          Wait for 4 seconds     yield return new WaitForSeconds 4          Rotate 40 deg     transform Rotate new Vector3 40  0  0   Space World          Wait for 2 seconds     yield return new WaitForSeconds 2          Rotate 20 deg     transform Rotate new Vector3 20  0  0   Space World       2 With a coroutine and WaitForSecondsRealtime   The only difference between WaitForSeconds and WaitForSecondsRealtime is that WaitForSecondsRealtime is using unscaled time to wait which means that when pausing a game with Time timeScale  the WaitForSecondsRealtime function would not be affected but  WaitForSeconds would   void Start         StartCoroutine waiter        IEnumerator waiter           Rotate 90 deg     transform Rotate new Vector3 90  0  0   Space World          Wait for 4 seconds     yield return new WaitForSecondsRealtime 4          Rotate 40 deg     transform Rotate new Vector3 40  0  0   Space World          Wait for 2 seconds     yield return new WaitForSecondsRealtime 2          Rotate 20 deg     transform Rotate new Vector3 20  0  0   Space World         Wait and still be able to see how long you have waited   3 With a coroutine and incrementing a variable every frame with Time deltaTime   A good example of this is when you need the timer to display on the screen how much time it has waited  Basically like a timer   It s also good when you want to interrupt the wait sleep with a boolean variable when it is true  This is where yield break  can be used   bool quit   false   void Start         StartCoroutine waiter        IEnumerator waiter         float counter   0        Rotate 90 deg     transform Rotate new Vector3 90  0  0   Space World          Wait for 4 seconds     float waitTime   4      while  counter  lt  waitTime                  Increment Timer until counter  gt   waitTime         counter    Time deltaTime          Debug Log  We have waited for      counter     seconds              Wait for a frame so that Unity doesn t freeze           Check if we want to quit this function         if  quit                          Quit function             yield break                    yield return null               Rotate 40 deg     transform Rotate new Vector3 40  0  0   Space World          Wait for 2 seconds     waitTime   2        Reset counter     counter   0      while  counter  lt  waitTime                  Increment Timer until counter  gt   waitTime         counter    Time deltaTime          Debug Log  We have waited for      counter     seconds              Check if we want to quit this function         if  quit                          Quit function             yield break                      Wait for a frame so that Unity doesn t freeze         yield return null               Rotate 20 deg     transform Rotate new Vector3 20  0  0   Space World       You can still simplify this by moving the while loop into another coroutine function and yielding it and also still be able to see it counting and even interrupt the counter   bool quit   false   void Start         StartCoroutine waiter        IEnumerator waiter           Rotate 90 deg     transform Rotate new Vector3 90  0  0   Space World          Wait for 4 seconds     float waitTime   4      yield return wait waitTime          Rotate 40 deg     transform Rotate new Vector3 40  0  0   Space World          Wait for 2 seconds     waitTime   2      yield return wait waitTime          Rotate 20 deg     transform Rotate new Vector3 20  0  0   Space World      IEnumerator wait float waitTime        float counter   0       while  counter  lt  waitTime                  Increment Timer until counter  gt   waitTime         counter    Time deltaTime          Debug Log  We have waited for      counter     seconds            if  quit                          Quit function             yield break                      Wait for a frame so that Unity doesn t freeze         yield return null              Wait Sleep until variable changes or equals to another value   4 With a coroutine and the WaitUntil function   Wait until a condition becomes true  An example is a function that waits for player s score to be 100 then loads the next level   float playerScore   0  int nextScene   0   void Start         StartCoroutine sceneLoader        IEnumerator sceneLoader         Debug Log  Waiting for Player score to be  gt  100         yield return new WaitUntil      gt  playerScore  gt   10       Debug Log  Player score is  gt  100  Loading next Leve           Increment and Load next scene     nextScene        SceneManager LoadScene nextScene       5 With a coroutine and the WaitWhile function   Wait while a condition is true  An example is when you want to exit app when the escape key is pressed   void Start         StartCoroutine inputWaiter        IEnumerator inputWaiter         Debug Log  Waiting for the Exit button to be pressed        yield return new WaitWhile      gt   Input GetKeyDown KeyCode Escape        Debug Log  Exit button has been pressed  Leaving Application           Exit program     Quit       void Quit          if UNITY EDITOR     UnityEditor EditorApplication isPlaying   false       else     Application Quit         endif       6 With the Invoke function   You can call tell Unity to call function in the future  When you call the Invoke function  you can pass in the time to wait before calling that function to its second parameter  The example below will call the feedDog   function after 5 seconds the Invoke is called   void Start         Invoke  feedDog   5       Debug Log  Will feed dog after 5 seconds       void feedDog         Debug Log  Now feeding Dog        7 With the Update   function and Time deltaTime   It s just like  3 except that it does not use coroutine  It uses the Update function   The problem with this is that it requires so many variables so that it won t run every time but just once when the timer is over after the wait   float timer   0  bool timerReached   false   void Update         if   timerReached          timer    Time deltaTime       if   timerReached  amp  amp  timer  gt  5                Debug Log  Done waiting            feedDog               Set to false so that We don t run this again         timerReached   true           void feedDog         Debug Log  Now feeding Dog          There are still other ways to wait in Unity but you should definitely know the ones mentioned above as that makes it easier to make games in Unity  When to use each one depends on the circumstances   For your particular issue  this is the solution   IEnumerator showTextFuntion         TextUI text    Welcome to Number Wizard        yield return new WaitForSeconds 3f       TextUI text     The highest number you can pick is     max       yield return new WaitForSeconds 3f       TextUI text     The lowest number you can pick is     min       And to call start the coroutine function from your start or Update function  you call it with   StartCoroutine  showTextFuntion

User · Answer

You were correct to use WaitForSeconds  But I suspect that you tried using it without coroutines  That s how it should work   public void SomeMethod         StartCoroutine SomeCoroutine        private IEnumerator SomeCoroutine         TextUI text    Welcome to Number Wizard        yield return new WaitForSeconds  3       TextUI text     The highest number you can pick is     max       yield return new WaitForSeconds  3       TextUI text     The lowest number you can pick is     min

User · Answer

you can           float Lasttime          public float Sec   3f          public int Num          void Start            ExampleStart                      public void ExampleStart            Lasttime   Time time                    void Update           if Time time - Lasttime  gt  sec                if Num    step                  Yourcode   You Can Change Sec with   gt  sec   YOURTIME Float                 Num                  ExampleStart                                if Num    0                TextUI text    Welcome to Number Wizard                 Num                 ExampleStart                                if Num    1                TextUI text     The highest number you can pick is     max                Num                 ExampleStart                                if Num    2                TextUI text     The lowest number you can pick is     min                Num                 ExampleStart                                        Khaled Developer Easy For Gaming

User · Answer

With  Net 4 x you can use Task-based Asynchronous Pattern  TAP  to achieve this       NET 4 x async-await using UnityEngine  using System Threading Tasks  public class AsyncAwaitExample   MonoBehaviour        private async void Start                  Debug Log  Wait             await WaitOneSecondAsync            DoMoreStuff       Will not execute until WaitOneSecond has completed            private async Task WaitOneSecondAsync                 await Task Delay TimeSpan FromSeconds 1            Debug Log  Finished waiting               this is a feature to use  Net 4 x with Unity please see this link for description about it  and this link for sample project and compare it with coroutine  But becareful as documentation says that This is not fully replacement with coroutine

[c#] How to make the script wait/sleep in a simple way in unity

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