unity game script: follower

follower.cs

    void Update()
    {
        if(stop) return;
        float dist = (transform.position - Player.transform.position).sqrMagnitude;

        if (dist > 20)
        {
            // get closer to player
            Vector3 direction = transform.position - Player.transform.position;
            Vector3 bodyOffset = new Vector3(Player.GetComponentInChildren<SkinnedMeshRenderer>().bounds.extents.x, 0, Player.GetComponentInChildren<SkinnedMeshRenderer>().bounds.extents.z);
            Vector3 newPos = transform.position - (direction - bodyOffset);
            mAgent.SetDestination(newPos);
        }
        mAnimator.SetBool("isWalking", IsNavMeshMoving);
    }