TO SQUASH: Lots of UI.

Assets/Scripts/Game/WorldFiller.cs

@@ -24,6 +24,8 @@ public class WorldFiller : MonoBehaviour
 
     private int wallCount = 0;
 
+    private Queue<GameObject> spawnedWalls = new Queue<GameObject>();
+
     private List<Rect> freeAreas = new List<Rect>();
 
     private float boardArea;
@@ -44,6 +46,21 @@ public class WorldFiller : MonoBehaviour
         wallCount = 0;
     }
 
+    public void ClearSpawnedWalls()
+    {
+        while (spawnedWalls.Count > 0)
+        {
+            GameObject wall = spawnedWalls.Dequeue();
+
+            if (wall != null)
+            {
+                Destroy(wall);
+            }
+        }
+
+        spawnedWalls.Clear();
+    }
+
     public void SetWallPosition(Vector2 position)
     {
         if (wallCount >= wallPositions.Length)
@@ -63,8 +80,6 @@ public class WorldFiller : MonoBehaviour
         // If both wall positions are set, spawn a wall.
         if (wallPositions[0] != null && wallPositions[1] != null)
         {
-            Debug.Log($"Spawning wall with wall line: ({wallPositions[0]}, {wallPositions[1]})");
-
             Vector2 wallPointA = wallPositions[0].Value;
             Vector2 wallPointB = wallPositions[1].Value;
 
@@ -176,6 +191,7 @@ public class WorldFiller : MonoBehaviour
             Rect paddedWallRect = ExpandRectInsideBounds(clampedWallRect, wallPaddingWorldUnits, boardRect);
 
             ApplyWallTransform(wall.transform, wallRenderer, paddedWallRect);
+            spawnedWalls.Enqueue(wall);
             var wallBounds = wallRenderer.bounds;
 
             UpdateFreeAreas(paddedWallRect);
@@ -248,7 +264,7 @@ public class WorldFiller : MonoBehaviour
         }
     }
 
-    private void InitializeFreeAreas()
+    public void InitializeFreeAreas()
     {
         gameBoardBounds = gameBoardSpriteRenderer.bounds;