Update

Assets/Scripts/GameSetup/Maze/MazeRenderer.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Hallucinate.GameSetup.Maze
+{
+    /// <summary>
+    /// Responsible for the visual representation of the maze.
+    /// Handles spawning, pooling, and animations.
+    /// </summary>
+    public class MazeRenderer : MonoBehaviour
+    {
+        [SerializeField] private MazeVisualProfile visualProfile;
+        
+        private readonly Dictionary<Vector2Int, GameObject> _spawnedCells = new Dictionary<Vector2Int, GameObject>();
+        private Transform _container;
+
+        public void Initialize(MazeGrid grid, Transform container)
+        {
+            _container = container;
+            grid.OnCellChanged += HandleCellChanged;
+            
+            // Initial render
+            for (int z = 0; z < grid.Depth; z++)
+            {
+                for (int x = 0; x < grid.Width; x++)
+                {
+                    UpdateCellVisual(x, z, grid.GetCell(x, z), false);
+                }
+            }
+        }
+
+        public void Clear()
+        {
+            // IMPORTANT: Stop all running animations to prevent accessing destroyed objects
+            StopAllCoroutines();
+
+            foreach (var cell in _spawnedCells.Values)
+            {
+                if (cell != null) Destroy(cell);
+            }
+            _spawnedCells.Clear();
+        }
+
+        private void HandleCellChanged(int x, int z, MazeCellType type)
+        {
+            UpdateCellVisual(x, z, type, true);
+        }
+
+        private void UpdateCellVisual(int x, int z, MazeCellType type, bool animate)
+        {
+            Vector2Int pos = new Vector2Int(x, z);
+            
+            // Remove old visual if exists
+            if (_spawnedCells.TryGetValue(pos, out GameObject oldObj))
+            {
+                Destroy(oldObj);
+                _spawnedCells.Remove(pos);
+            }
+
+            GameObject prefab = visualProfile.GetPrefab(type);
+            if (prefab == null) return;
+
+            Vector3 worldPos = new Vector3(x * visualProfile.scale, 0, z * visualProfile.scale);
+            GameObject newObj = Instantiate(prefab, worldPos, Quaternion.identity, _container);
+            newObj.transform.localScale = Vector3.one * visualProfile.scale;
+            _spawnedCells[pos] = newObj;
+
+            if (animate)
+            {
+                StartCoroutine(AnimateCell(newObj.transform));
+            }
+        }
+
+        private IEnumerator AnimateCell(Transform target)
+        {
+            if (target == null) yield break;
+
+            float duration = visualProfile.animationDuration;
+            float elapsed = 0;
+            Vector3 finalScale = target.localScale;
+            target.localScale = Vector3.zero;
+
+            while (elapsed < duration)
+            {
+                // Extra safety check in case the object is destroyed mid-animation
+                if (target == null) yield break;
+
+                elapsed += Time.deltaTime;
+                float t = elapsed / duration;
+                float s = Mathf.Sin(t * Mathf.PI * 0.5f); 
+                target.localScale = finalScale * s;
+                yield return null;
+            }
+
+            if (target != null)
+            {
+                target.localScale = finalScale;
+            }
+        }
+    }
+}