[Player] Add AI Pathfinding on a 2D grid to the player character

Assets/External/AstarPathfindingProject/ExampleScenes/ExampleScripts/AstarSmoothFollow2.cs

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+using UnityEngine;
+
+namespace Pathfinding.Examples {
+	/// <summary>
+	/// Smooth Camera Following.
+	/// \author http://wiki.unity3d.com/index.php/SmoothFollow2
+	/// </summary>
+	[HelpURL("http://arongranberg.com/astar/docs/class_pathfinding_1_1_examples_1_1_astar_smooth_follow2.php")]
+	public class AstarSmoothFollow2 : MonoBehaviour {
+		public Transform target;
+		public float distance = 3.0f;
+		public float height = 3.0f;
+		public float damping = 5.0f;
+		public bool smoothRotation = true;
+		public bool followBehind = true;
+		public float rotationDamping = 10.0f;
+		public bool staticOffset = false;
+
+		void LateUpdate () {
+			Vector3 wantedPosition;
+
+			if (staticOffset) {
+				wantedPosition = target.position + new Vector3(0, height, distance);
+			} else {
+				if (followBehind)
+					wantedPosition = target.TransformPoint(0, height, -distance);
+				else
+					wantedPosition = target.TransformPoint(0, height, distance);
+			}
+			transform.position = Vector3.Lerp(transform.position, wantedPosition, Time.deltaTime * damping);
+
+			if (smoothRotation) {
+				Quaternion wantedRotation = Quaternion.LookRotation(target.position - transform.position, target.up);
+				transform.rotation = Quaternion.Slerp(transform.rotation, wantedRotation, Time.deltaTime * rotationDamping);
+			} else transform.LookAt(target, target.up);
+		}
+	}
+}