MovingPlatform.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class MovingPlatform : MonoBehaviour
{

    public GameObject platform;// Reference to the platform object

    public float moveSpeed;// Speed at which the platform moves

    public Transform currentPoint;// Reference to the current point

    public Transform[] points;// Reference to the points array

    public int pointSelection;// Reference to the point selection

    // Start is called before the first frame update
    void Start()
    {
        currentPoint = points[pointSelection];// Set the current point to the first point in the points array

    }

    // Update is called once per frame
    void Update()
    {
        platform.transform.position = Vector3.MoveTowards(platform.transform.position, currentPoint.position,  Time.deltaTime * moveSpeed );// Move the platform towards the current point

        if (platform.transform.position == currentPoint.position)// If the platform has reached the current point
        {
            pointSelection++;// Increment the point selection

            if (pointSelection == points.Length)// If the point selection is equal to the length of the points array
            {
                pointSelection = 0;// Set the point selection to 0
            }

            currentPoint = points[pointSelection];// Set the current point to the next point in the points array
        }
    }
}