Problem with the menu

Assets/Scripts/View/Control/NavigationScript.cs

@@ -42,6 +42,8 @@ public class NavigationScript : MonoBehaviour
             { ButtonType.Settings, scrollView => scrollView.ToggleSettings() },
             { ButtonType.MusicToggle, scrollView => scrollView.ToggleMusic() },
             { ButtonType.SfxToggle, scrollView => scrollView.ToggleSfx() },
+            { ButtonType.ScrollUp, scrollView => scrollView.OnScrollUp() },
+            { ButtonType.ScrollDown, scrollView => scrollView.OnScrollDown() },
         };
 
         public bool IsTweening => _buttonSelect.IsTweening;

Assets/Scripts/View/Control/ScrollView.cs

@@ -15,7 +15,11 @@ namespace View.Control
 	/// </summary>
 	public class ScrollView : MonoBehaviour
 	{
-		public GameObject PuzzleGamePrefab;
+		[SerializeField]
+		private float _scrollButtonScale;
+
+		[SerializeField]
+		private GameObject _puzzleGamePrefab;
 
 		private bool _scrollEnabled;
 
@@ -26,6 +30,7 @@ public class ScrollView : MonoBehaviour
 		private float _listBottom;
 		private float _listTop;
 		private bool _isPanning;
+		private float _scrollSpeed;
 		private Vector3 _panVelocity;
 		private Vector3 _magnetVelocity;
 
@@ -36,18 +41,17 @@ public class ScrollView : MonoBehaviour
 
 		private int _cameraZoomId;
 
+		[SerializeField]
 		private NavigationScript _navigation;
+		[SerializeField]
 		private MoveDisplay _moveDisplay;
+		[SerializeField]
 		private GameAudio _gameAudio;
 
 		private void Awake()
 		{
-            // Set the maximum number of simultaneous tweens
-            LeanTween.init(30000);
-
-			_navigation = GameObject.FindGameObjectWithTag("Navigation").GetComponent<NavigationScript>();
-			_moveDisplay = GameObject.FindGameObjectWithTag("MoveDisplay").GetComponent<MoveDisplay>();
-			_gameAudio = GameObject.FindGameObjectWithTag("GameAudio").GetComponent<GameAudio>();
+			// Set the maximum number of simultaneous tweens
+			LeanTween.init(30000);			
 
 			// Set the game's strings to their localized versions
 			var language = Levels.CurrentLanguage;
@@ -341,7 +345,7 @@ private void GenerateLevelsList()
 
 		private void GenerateLevel(int level, float margin, ref float prevOffset)
 		{
-			var puzzleGame = Instantiate(PuzzleGamePrefab);
+			var puzzleGame = Instantiate(_puzzleGamePrefab);
 			puzzleGame.name = $"PuzzleGame ({level})";
 			puzzleGame.transform.SetParent(transform);
 
@@ -452,38 +456,23 @@ private void OnPuzzleWin(int level)
 
 		private void OnPan(TKPanRecognizer recognizer)
 		{
-			if (!_scrollEnabled) {
-				return;
-			}
-
-			_isPanning = true;
-
-			_panVelocity = Vector2.zero;
-			_magnetVelocity = Vector2.zero;
-
-			// TODO: make configurable
-			const float scalingFactor = 100f;
-			transform.Translate(Vector3.up * recognizer.deltaTranslation.y / scalingFactor);
-
-			var clampedPos = Mathf.Clamp(transform.position.y, _listBottom, _listTop);
-			transform.position = new Vector2(transform.position.x, clampedPos);
+			ScrollBegin(recognizer.deltaTranslation.y);			
 		}
-
+		
 		private void OnPanComplete(TKPanRecognizer recognizer)
 		{
-			if (!_scrollEnabled) {
-				return;
-			}
-
-			_isPanning = false;
-
-			// TODO: make configurable
-			var delta = recognizer.deltaTranslation.y;
-			var velocityMagnitude = Mathf.Abs(delta) < 5f ? 0f : Mathf.Clamp(delta, -50f, 50f);
-
-			_panVelocity = Vector3.up * velocityMagnitude / VelocityScalingFactor;
+			ScrollEnd();		
+		}
+		public void OnScrollUp()
+		{
+			ScrollBegin(-1f * _scrollButtonScale);
+			ScrollEnd();
+		}
+		public void OnScrollDown()
+		{
+			ScrollBegin(_scrollButtonScale);
+			ScrollEnd();
 		}
-
 		private static void OnLevelStateChanged(Level level, bool win)
 		{
 			Levels.SaveLevel(level, win);
@@ -552,11 +541,45 @@ public void ToggleMusic()
 		public void ToggleSfx()
 		{
 			_gameAudio.SfxEnabled = !_gameAudio.SfxEnabled;
-		}
-
+		}	
 		public void ToggleFreeze()
 		{
 			_scrollEnabled = !_scrollEnabled;
 		}
+
+		private void ScrollBegin(float speed)
+		{
+			if (!_scrollEnabled){
+				return;
+			}
+
+			_isPanning = true;
+			_scrollSpeed = speed;
+			_panVelocity = Vector2.zero;
+			_magnetVelocity = Vector2.zero;
+
+			const float scalingFactor = 100f;
+
+			transform.Translate(Vector3.up * speed / scalingFactor);
+
+			var clampedPos = Mathf.Clamp(transform.position.y, _listBottom, _listTop);
+			transform.position = new Vector2(transform.position.x, clampedPos);
+		}
+
+		private void ScrollEnd()
+		{
+			if (!_scrollEnabled){
+				return;
+			}
+
+			_isPanning = false;
+
+			// TODO: make configurable
+			var delta = _scrollSpeed;
+			var velocityMagnitude = Mathf.Abs(delta) < 5f ? 0f : Mathf.Clamp(delta, -50f, 50f);
+
+			_panVelocity = Vector3.up * velocityMagnitude / VelocityScalingFactor;
+		}
+
 	}
 }

Assets/Scripts/View/Items/ButtonScript.cs

@@ -85,6 +85,8 @@ public enum ButtonType
         RestartLevel,
         Settings,
         MusicToggle,
-        SfxToggle
+        SfxToggle,
+        ScrollUp,
+        ScrollDown
     }
 }