Enemy Movement and BasicPatrollingEnemyAI has added

Assets/Scripts/AI/BasicPatrollingEnemyAI.cs

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+using Movement;
+using UnityEngine;
+
+namespace AI
+{
+    public class BasicPatrollingEnemyAI : MonoBehaviour
+    {
+        [SerializeField] protected bool isMovingRight = false;
+
+        [Space]
+        [Header("Left Detector")]
+        [SerializeField] protected Vector2 leftCliffDetectorOrigin = Vector2.left;
+        [SerializeField] protected Vector2 leftCliffDetectorSize = Vector2.one;
+
+        [Space]
+        [Header("Right Detector")]
+        [SerializeField] protected Vector2 rightCliffDetectorOrigin = Vector2.right;
+        [SerializeField] protected Vector2 rightCliffDetectorSize = Vector2.one;
+
+        [Space]
+        [Header("Right Detector")]
+        [SerializeField] protected LayerMask groundLayerMask = ~(1 << 6); // Everything except the "Player" layer
+
+        protected IMovement movement = null;
+        protected Collider2D[] nonAllocColliderArray = new Collider2D[10];
+
+        protected Vector2 leftCliffPosition => GetCliffPositionInWorld(leftCliffDetectorOrigin);
+        protected Vector2 rightCliffPosition => GetCliffPositionInWorld(rightCliffDetectorOrigin);
+
+        protected bool IsLeftDetectorCollided => Physics2D.OverlapBoxNonAlloc(leftCliffPosition, leftCliffDetectorSize, 0, nonAllocColliderArray, groundLayerMask) != 0;
+        protected bool IsRightDetectorCollided => Physics2D.OverlapBoxNonAlloc(rightCliffPosition, rightCliffDetectorSize, 0, nonAllocColliderArray, groundLayerMask) != 0;
+
+        protected virtual void Awake()
+        {
+            movement = gameObject.AddComponent<EnemyMovement>();
+        }
+
+        protected virtual void FixedUpdate()
+        {
+            if ((isMovingRight && !IsRightDetectorCollided) || (!isMovingRight && !IsLeftDetectorCollided))
+                isMovingRight = !isMovingRight;
+
+            movement.Move(isMovingRight ? 1f : -1f);
+        }
+
+        protected Vector2 GetCliffPositionInWorld(Vector2 cliffPosition)
+            => cliffPosition + (Vector2)transform.position;
+
+        protected virtual void OnDrawGizmosSelected()
+        {
+            Gizmos.color = IsLeftDetectorCollided ? Color.green : Color.red;
+            Gizmos.DrawWireCube(leftCliffPosition, leftCliffDetectorSize);
+
+            Gizmos.color = IsRightDetectorCollided ? Color.green : Color.red;
+            Gizmos.DrawWireCube(rightCliffPosition, rightCliffDetectorSize);
+        }
+    }
+}

Assets/Scripts/AI/BasicPatrollingEnemyAI.cs.meta

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