✨ New sfx and vfx and features in building

Scripts/Tiles/BaseTile.cs

@@ -14,6 +14,7 @@ public partial class BaseTile : Node2D
     private Sprite2D _sprite;
     private ColorRect _progressOverlay;
     private Action _onConstructionComplete;
+    private bool _isConstructing = false;
 
     public override void _Ready()
     {
@@ -26,6 +27,9 @@ public partial class BaseTile : Node2D
 
     public void SetGhostMode(bool canPlace)
     {
+        // Don't modify collision for constructing buildings
+        if (_isConstructing) return;
+            
         if (_collisionShape != null)
             _collisionShape.Disabled = true;
 
@@ -46,8 +50,13 @@ public partial class BaseTile : Node2D
     // Building progress visualization
     public void StartConstruction(float buildTime, Action onComplete = null)
     {
+        _isConstructing = true;
+        if (_collisionShape != null)
+            _collisionShape.Disabled = true;
+
         if (_progressOverlay == null || _sprite?.Texture == null) 
         {
+            _isConstructing = false;
             onComplete?.Invoke();
             return;
         }
@@ -55,6 +64,10 @@ public partial class BaseTile : Node2D
         _onConstructionComplete = onComplete;
         var texSize = new Vector2(GridUtils.TileSize, GridUtils.TileSize);
 
+        // Set initial transparency for construction
+        if (_sprite != null)
+            _sprite.Modulate = new Color(1, 1, 1, 0.8f);
+
         _progressOverlay.Visible = true;
         _progressOverlay.Modulate = Colors.White;
         _progressOverlay.Color = new Color(0, 0, 1, 0.4f); // semi-transparent blue
@@ -80,7 +93,14 @@ public partial class BaseTile : Node2D
             // Fade out the overlay
             await FadeOutOverlay(0.5f);
             
-            // Notify completion
+            // Construction complete - restore full opacity and enable collision
+            if (_sprite != null)
+                _sprite.Modulate = Colors.White;
+                
+            _isConstructing = false;
+            if (_collisionShape != null)
+                _collisionShape.Disabled = false;
+                
             _onConstructionComplete?.Invoke();
         }