Add terrain alignment to tortoise. Adjust patrol points

Assets/TortoiseController.cs

@@ -1,18 +1,28 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 
 public class TortoiseController : MonoBehaviour
 {
-    // Start is called before the first frame update
-    void Start()
+    RaycastHit hit;
+    Vector3 theRay;
+
+    public LayerMask terainMask;
+
+    void FixedUpdate()
     {
-        
+        Align();
     }
 
-    // Update is called once per frame
-    void Update()
+    private void Align()
     {
-        
+        theRay = -transform.up;
+
+        if (Physics.Raycast(new Vector3(transform.position.x, transform.position.y, transform.position.z),
+            theRay, out hit, 20, terainMask))
+        {
+
+            Quaternion targetRotation = Quaternion.FromToRotation(transform.up, hit.normal) * transform.parent.rotation;
+
+            transform.rotation = Quaternion.Lerp(transform.rotation, targetRotation, Time.deltaTime / 0.15f);
+        }
     }
 }