20 minute countdown timer

Question

Hey guys, I have a countdown timer but am unsure of how to make it twenty minutes? I would appreciate any help. Thanks :)

public Text timerText;

 private float time = 1200;

 void Update() {
     time += Time.deltaTime;

     var minutes = time / 60; 
     var seconds = time - 60;
     var fraction = (time * 100) % 100;

     //update the label value
     timerText.text = string.Format ("{0:00} : {1:00} : {2:000}", minutes, seconds, fraction);
 }

}

Answer 1

Best Answer

Answer by TBruce · Apr 21, 2016 at 04:28 PM

@_C1

Try the following. It uses less CPU cycles as well.

 public Text timerText;
 private float time = 1200;
 
 void Start ()
 {
     StartCoundownTimer();
 }
 
 void StartCoundownTimer()
 {
     if (timerText != null)
     {
         time = 1200;
         timerText.text = "Time Left: 20:00:000";
         InvokeRepeating("UpdateTimer", 0.0f, 0.01667f);
     }
 }
 
 void UpdateTimer()
 {
     if (timerText != null)
     {
         time -= Time.deltaTime;
         string minutes = Mathf.Floor(time / 60).ToString("00");
         string seconds = (time % 60).ToString("00");
         string fraction = ((time * 100) % 100).ToString("000");
         timerText.text = "Time Left: " + minutes + ":" + seconds + ":" + fraction;
     }
 }

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_C1 · Apr 22, 2016 at 08:52 AM 0

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Thanks very much that works perfectly :)

unity_04Q0pdmWCplDYg · Jan 20, 2019 at 09:00 PM 0

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How can i check with that if it´s below 0?

hollym16 unity_04Q0pdmWCplDYg · Jan 23, 2019 at 12:26 PM 0

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void Update(){ time -= Time.deltaTime; if(time < 0) { //Do Something }

calliet · Nov 02, 2020 at 09:06 PM 0

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very helpful!

Answer 2

Answer by MyrDovg · Oct 30, 2017 at 11:32 AM

         float totalTime = 120f; //2 minutes
 
         private void Update()
         {
             totalTime -= Time.deltaTime;
             UpdateLevelTimer(totalTime );
         }
 
         public void UpdateLevelTimer(float totalSeconds)
         {
             int minutes = Mathf.FloorToInt(totalSeconds / 60f);
             int seconds = Mathf.RoundToInt(totalSeconds % 60f);
 
             string formatedSeconds = seconds.ToString();
 
             if (seconds == 60)
             {
                 seconds = 0;
                 minutes += 1;
             }
 
             timer.text = minutes.ToString("00") + ":" + seconds.ToString("00");
         }

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20 minute countdown timer

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