enemy skips to point instead of sliding to point

this is the code for my enemy controller

 using UnityEngine;
 using System.Collections;
 using UnityEngine.SceneManagement;
 
 public class SlimeController : MonoBehaviour {
     
     public float moveSpeed;
 
     private Rigidbody2D myrigidbody;
 
     private bool moving;
 
     public float timeBetweenMove;
     private float timeBetweenMoveCounter;
     public float timeToMove;
     private float timeToMoveCounter;
 
     private Vector3 moveDirection;
 
     public float waitToReload;
     private bool reloading;
     private GameObject thePlayer;
 
     void Start () 
     {
         myrigidbody = GetComponent<Rigidbody2D> ();
 
         //timeBetweenMoveCounter = timeBetweenMove;
         //timeToMoveCounter = timeToMove;
 
         timeBetweenMoveCounter = Random.Range(timeBetweenMove * 0.75f, timeBetweenMove * 1.25f);
         timeToMoveCounter = Random.Range(timeToMove * 0.75f, timeBetweenMove * 1.25f);
     }
     
 
     void Update () 
     {
         if (moving) 
         {
             timeToMoveCounter -= Time.deltaTime;
             myrigidbody.velocity = moveDirection;
 
             if (timeBetweenMoveCounter < 0f) 
             {
                 moving = false;
                 //timeBetweenMoveCounter = timeBetweenMove;
                 timeBetweenMoveCounter = Random.Range (timeBetweenMove * 0.75f, timeBetweenMove * 1.25f);
             }
         } 
 
         else 
         {
             timeBetweenMoveCounter -= Time.deltaTime;
             myrigidbody.velocity = Vector2.zero;
 
             if (timeBetweenMoveCounter < 0f) 
             {
                 moving = true;
                 //timeToMoveCounter = timeToMove;
                 timeToMoveCounter = Random.Range(timeToMove * 0.75f, timeBetweenMove * 1.25f);
 
                 moveDirection = new Vector3(Random.Range (-1f, 1f) * moveSpeed, Random.Range (-1f, 1f) * moveSpeed, 0f);
             }
         }
 
         if (reloading) 
         {
             waitToReload -= Time.deltaTime;
             if (waitToReload < 0) 
             {
                 SceneManager.LoadScene(SceneManager.GetActiveScene().name);
                 thePlayer.SetActive (true);
             }
 
         }
     }
 
     void OnCollisionEnter2D(Collision2D other)
     {
         /* if (other.gameObject.name == "Character") 
         {
             other.gameObject.SetActive (false);
             reloading = true;
             thePlayer = other.gameObject;
         } */
     }