First UI Timer

Assets/Scripts/GameSystems/GameSystem.cs

@@ -10,6 +10,7 @@ public sealed class GameSystem : MonoBehaviour
     bool serviceOpen = false;
     float serviceTime = 30.0f;
     float serviceTimer = 0.0f;
+    UITimer UIServiceTimer;
     float slowScale = 0.5f; //Default scale for slow mode
     private float fixedDeltaTime;
 
@@ -54,6 +55,16 @@ public sealed class GameSystem : MonoBehaviour
     {
         // Make a copy of the fixedDeltaTime, it defaults to 0.02f, but it can be changed in the editor
         this.fixedDeltaTime = Time.fixedDeltaTime;
+        GameObject timerObj = GameObject.Find("/UI/Canvas/ServiceTimer");
+        if(timerObj is null)
+        {
+            Debug.LogWarning("No service timer found");
+            UIServiceTimer=null;
+        }
+        else
+        {
+            UIServiceTimer=timerObj.GetComponent<UITimer>();
+        }
     }
 
     // Start is called before the first frame update
@@ -67,12 +78,17 @@ public sealed class GameSystem : MonoBehaviour
     {
         if(serviceOpen)
         {
+            //Update service timer
             serviceTimer-= Time.deltaTime;
+            if(UIServiceTimer != null)
+                UIServiceTimer.SetValue(serviceTimer/serviceTime);
             if (serviceTimer < 0)
             {
                 serviceOpen = false;
                 Debug.Log("Service closed");
             }
+
+            //Request new clients
             ClientManager.Instance.clientRequest();
         }
 
@@ -85,6 +101,9 @@ public sealed class GameSystem : MonoBehaviour
         // Debug.Log("Service timer : "+(int)serviceTimer);
     }
 
+    // simple Singleton implementation
+    //public static GameSystem instance { get; private set; } //Give public access to the instance. But only set from this class
+
     //// Singleton Implementation (https://jlambert.developpez.com/tutoriels/dotnet/implementation-pattern-singleton-csharp/#LIII) ////
     private GameSystem()
     {

Assets/Scripts/UI/UITimer.cs

@@ -0,0 +1,36 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class UITimer : MonoBehaviour
+{
+    // public Image mask;
+    public Image time;
+    // float originalSize;
+
+    void Start()
+    {
+        // originalSize = mask.rectTransform.rect.height;
+        time.color = Color.green;
+    }
+
+    //Value : [0,1]
+    public void SetValue(float value)
+    {	
+        if(value>1||value<0)
+            Debug.LogWarning(gameObject.name+" - Timer value out of range [0,1]: "+value);
+        //Change time color		      
+        if(value>0.66)
+            time.color = Color.green;
+        else if(value>0.33)
+            time.color = Color.yellow;
+        else
+            time.color = Color.red;
+
+        time.fillAmount = value;
+
+        //Change mask size
+        // mask.rectTransform.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, originalSize * value);
+    }
+}

Assets/Scripts/UI/UITimer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: da748f5c6c44f274786e0947a0c6bbf8
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: