Unpause game when the timer reaches 0

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When the game scene opens, I would like it to be automatically paused and to start displaying a 3 second timer (3 2 1). Once the timer is less than 0, I would like the game to be unpaused so the user can start playing.

This is my code so far :). At the moment, it starts off paused but the timer doesn't count down. Any ideas as to what I can do?

 public class StartGame : MonoBehaviour {

 public Text countdownText;
 public float timer = 3.0f;

 // Use this for initialization
 void Start () {
     Time.timeScale = 0;
 }

 // Update is called once per frame
 void Update () {
     
     timer -= Time.deltaTime;
     countdownText.text = (timer).ToString("0");

     if (timer < 0)
     {
         Time.timeScale = 1;

     }
 }}

Answer 1

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Answer by LCStark · Sep 22, 2018 at 04:00 PM

If you set your timeScale to 0, the Time.deltaTime is scaled accordingly, so your timer won't count down. Try using Time.unscaledDeltaTime instead.

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marlavdm · Sep 22, 2018 at 07:02 PM 0

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I changed it to Time.unscaledDeltaTime, but it doesnt count down - when I press play, the game is immediately unpaused?

LCStark marlavdm · Sep 22, 2018 at 10:50 PM 0

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Hmm, it seems that there is a problem with calling Time.unscaledDeltaTime in the startup - for several frames the value is all over the place. You can fix that by clamping the value to the maximum deltaTime value:
timer -= $$anonymous$$athf.Clamp(Time.unscaledDeltaTime, 0.0f, Time.maximumDeltaTime);

Unpause game when the timer reaches 0

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