Create Entrance level

Assets/Scripts/Utils/LockToGrid.cs

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+using UnityEditor;
+using UnityEngine;
+
+
+[ExecuteInEditMode]
+public class LockToGrid : MonoBehaviour
+{
+    public int tileSize = 1;
+    public Vector3 tileOffset = Vector3.zero;
+
+    void Update()
+    {
+        if(!EditorApplication.isPlaying)
+        {
+            Vector3 currentPosition = transform.position;
+
+            float snappedX = Mathf.Round(currentPosition.x / tileSize) * tileSize + tileOffset.x;
+            float snappedZ = Mathf.Round(currentPosition.z / tileSize) * tileSize + tileOffset.z;
+
+            var snappedPosition = new Vector3(snappedX, currentPosition.y, snappedZ);
+            transform.position = snappedPosition;
+        }
+    }
+}

Assets/Scripts/Utils/LockToGrid.cs.meta

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