[Add] Add UI event and bind it

MissileCommander/Assets/_Scripts/GameManager.cs

@@ -28,9 +28,11 @@ public class GameManager : MonoBehaviour
 
         [Header("Scores")] 
         [SerializeField] private int scorePerMissile = 50;
-
         [SerializeField] private int scorePerBuilding = 5000;
 
+        [Header("UI")] 
+        [SerializeField] private UIRoot UIRoot;
+
         private MouseGameController _mouseGameController;
         private BulletLauncher _launcher;
         private BuildingManager _buildingMgr;
@@ -70,6 +72,8 @@ private void BindEvents()
             _timeMgr.onGameStart += _buildingMgr.OnGameStart;
             _timeMgr.onGameStart += _launcher.OnGameStart;
             _timeMgr.onGameStart += _missileMgr.OnGameStart;
+            _timeMgr.onGameStart += UIRoot.OnGameStart;
+            _scoreMgr.onScoreChanged += UIRoot.OnScoreChanged;
             _missileMgr.onMissileDestroyed += _scoreMgr.OnMissileDestroyed;
         }
 
@@ -79,6 +83,8 @@ private void UnbindEvents()
             _timeMgr.onGameStart -= _buildingMgr.OnGameStart;
             _timeMgr.onGameStart -= _launcher.OnGameStart;
             _timeMgr.onGameStart -= _missileMgr.OnGameStart;
+            _timeMgr.onGameStart -= UIRoot.OnGameStart;
+            _scoreMgr.onScoreChanged -= UIRoot.OnScoreChanged;
             _missileMgr.onMissileDestroyed -= _scoreMgr.OnMissileDestroyed;
         }
     }

MissileCommander/Assets/_Scripts/ScoreManager.cs

@@ -22,7 +22,6 @@ public void OnMissileDestroyed()
         {
             _score += _scorePerMissile;
             onScoreChanged?.Invoke(_score);
-            Debug.Log($"Score : {_score}");
         }
 
         public void OnGameOver()

MissileCommander/Assets/_Scripts/UIRoot.cs

@@ -0,0 +1,27 @@
+using System;
+using UnityEngine;
+using TMPro;
+
+namespace MissileCommander
+{
+    public class UIRoot : MonoBehaviour
+    {
+        [SerializeField] private TextMeshProUGUI scoreText;
+
+        private void Awake()
+        {
+            scoreText.gameObject.SetActive(false);
+        }
+
+        public void OnGameStart()
+        {
+            scoreText.gameObject.SetActive(true);
+            scoreText.text = $"Score : { 0 }";
+        }
+
+        public void OnScoreChanged(int score)
+        {
+            scoreText.text = $"Score : { score }";
+        }
+    }
+}