Sistema de Coger Carta

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

public class Pergamino : MonoBehaviour {
    public Transform PosNewPergamino;
    public Transform PosAntigua;

    public bool PergaminoTomado = false;
    public FirstPersonController fps;

    void Start () {
        PergaminoTomado = false;
    }

    void Update () {
        fps = GameObject.FindGameObjectWithTag ("Player").GetComponent<FirstPersonController>();

        PosNewPergamino = GameObject.Find ("PergaminoTomado").GetComponent<Transform> ();

        if (PergaminoTomado){
            transform.Rotate (Input.GetAxis("Mouse X"), Input.GetAxis("Mouse Y"), 0);
        }



        if (PergaminoTomado && Input.GetKeyDown(KeyCode.Mouse0)) {
            PergaminoTomado = false;
            transform.SetParent (null);
            fps.enabled = true;

            transform.localPosition = new Vector3 (PosAntigua.position.x,
                PosAntigua.position.y,
                PosAntigua.position.z);

            transform.localRotation = Quaternion.Euler (-90,0,0);
        }
    }

    public void CogerPergamino () {
        if (!PergaminoTomado) {
            transform.localPosition = new Vector3 (PosNewPergamino.position.x,
                PosNewPergamino.position.y,
                PosNewPergamino.position.z);
            transform.localRotation = Quaternion.Euler (0,0,0);
            transform.SetParent (PosNewPergamino);
            fps.enabled = false;
            StartCoroutine(cogido());
        }
    }


    IEnumerator cogido () {
        yield return new WaitForSeconds (0.00001f);

        transform.localPosition = new Vector3 (0, 0, 0);
        transform.localRotation = Quaternion.Euler (0,0,0);
        transform.localScale = new Vector3 (1, 1, 1);
        PergaminoTomado = true;
    }
}