BUG !

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

public class PlayerMovement : MonoBehaviour
{
public Camera cam;
public NavMeshAgent player;
public Animator playerAnimator;
public GameObject targetDest;

    // Start is called before the first frame update
    void Start()
    {
        targetDest.SetActive(false);
    }

    // Update is called once per frame
    void Update()
    {

    float distance = Vector3.Distance(player.transform.position, targetDest.transform.position);

        if(Input.GetMouseButtonDown(0))
        {
            Ray ray = cam.ScreenPointToRay(Input.mousePosition);
            RaycastHit hitPoint;

        if(Physics.Raycast(ray, out hitPoint))
        {
            targetDest.transform.position = hitPoint.point;
            player.SetDestination(hitPoint.point);
        }

        }

    if (player.velocity != Vector3.zero)
    {
        targetDest.SetActive(true);
        playerAnimator.SetBool("isWalking", true);
    }
    if (distance < 1.5f)
    {
        targetDest.SetActive(false);
        playerAnimator.SetBool("isWalking", false);
    }

    }
}