GrapplingHookScript

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityStandardAssets.Characters.FirstPerson;

public class GrapplingHook : MonoBehaviour {

    public Camera cam;
    public RaycastHit hit;

    public LayerMask cullingmask;
    public int Maxdistance;

    public bool IsFlying;
    public Vector3 loc;

    public float speed = 10;
    public Transform hand;

    public FirstPersonController FPC;
    public LineRenderer LR;
    // Use this for initialization
    void Start ()
    {
        Cursor.lockState = CursorLockMode.Locked;
    }

    // Update is called once per frame
    void Update ()
    {
        if (Input.GetKey (KeyCode.Q))
            Findspot ();

        if (IsFlying)
            Flying ();
        if(Input.GetKey(KeyCode.Space) && IsFlying)
        {
            IsFlying = false;
            FPC.canMove = true;
            LR.enabled = false;
        }
    }
    public void Findspot ()
    {
        if (Physics.Raycast (cam.transform.position, cam.transform.forward, out hit, Maxdistance, cullingmask)) {
            IsFlying = true;
            loc = hit.point;
            FPC.canMove = false;
            LR.enabled = true;
            LR.SetPosition (1, loc);
        }
    }

    public void Flying()
    {
        transform.position = Vector3.Lerp(transform.position, loc, speed * Time.deltaTime / Vector3.Distance(transform.position, loc));
        LR.SetPosition(0, hand.position);

        if(Vector3.Distance(transform.position, loc) < 0.5f)
        {
            IsFlying = false;
            FPC.canMove = true;
            LR.enabled = false;
        }
    }
}