Moves an object around a 2D platform by using waypoints position and rotation.

MoveAroundPlatform.cs

using UnityEngine;

namespace Enemies
{
    public class MoveAroundPlatform : MonoBehaviour
    {
        [SerializeField] private float moveSpeed;
        [SerializeField] private Transform[] wayPoints;
        [SerializeField] public int index;

        [SerializeField] private float rotSpeed;
        private const float MinDistance = 0.05f;
        private bool shouldTurn;

        private void Update()
        {
            var nextPointPosition = wayPoints[index].position;
            transform.position = Vector2.MoveTowards(transform.position, nextPointPosition, moveSpeed * Time.deltaTime);

            if (shouldTurn) TurnRotation();

            var distanceToNextPoint = Vector2.Distance(transform.position, nextPointPosition);
            var nextPointIsCloseEnough = distanceToNextPoint <= MinDistance;
            if (!nextPointIsCloseEnough) return;

            index = (index + 1) % wayPoints.Length;
            shouldTurn = true;
        }

        private void TurnRotation() =>
            transform.rotation =
                Quaternion.RotateTowards(transform.rotation, wayPoints[index].rotation, rotSpeed * Time.deltaTime);
    }
}