Finished waveUI

Assets/Scenes/GameScene.unity

@@ -2395,6 +2395,10 @@ PrefabInstance:
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Assets/Scripts/Controller/EnemySpawner/EnemySpawner.cs

@@ -18,16 +18,16 @@ public class EnemySpawner : MonoBehaviour
 
     // Inspector
     [SerializeField] private float difficultyIncreasePerWave = 1f;
-    [SerializeField] private float WaveTime = 20f;
+    [SerializeField] public float WaveTime = 20f;
     [SerializeField] private List<float> enemyDifficulties;
     [SerializeField] private float SpawnRadius = 10;
     [SerializeField] private int NumEnemies = 6;
     [SerializeField] private GameObject[] players;
     [SerializeField] private float initialSpawnDelay = 5;
 
-    // Private
+    // local
     private bool nextWaveRequested = false;
-    private float timer = 0f;
+    public float timer = 0f;
     private Camera mainCam;
     private GameObject SpawnedEnenmyHolder;
     [SerializeField] private List<EnemyPrefabInfo> enemyList;

Assets/Scripts/UI/WaveUI.cs

@@ -6,6 +6,36 @@ using UnityEngine.UI;
 
 public class WaveUI : MonoBehaviour
 {
+    [SerializeField] private EnemySpawner spawner;
     [SerializeField] private Slider slider;
     [SerializeField] private TMP_Text waveText;
+    [SerializeField] private float waveTextDisplayTime = 3f;
+
+    private void Start()
+    {
+        waveText.gameObject.SetActive(false);
+    }
+
+    int prevWave = 0;
+    private void Update()
+    {
+        float waveProgressTime = spawner.timer / spawner.WaveTime;
+        slider.value = waveProgressTime;
+
+        if (prevWave != spawner.Wave)
+        {
+            prevWave = spawner.Wave;
+            StartCoroutine(ShowWave());
+        }    
+    }
+
+    IEnumerator ShowWave()
+    {
+        waveText.gameObject.SetActive(true);
+        waveText.text = $"Wave: {spawner.Wave}";
+
+        yield return new WaitForSecondsRealtime(waveTextDisplayTime);
+
+        waveText.gameObject.SetActive(false);
+    }
 }