CenarioControl.cs

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

public class CenarioControl : MonoBehaviour {

    public GameObject casa = null;
    public GameObject plano = null;

    private int CurrentPlane = 0;
    private int lastInstance = 62;

    private float nextCasaInstantiate = 9.4f;

    GameObject casaPequena;
    GameObject terreno;
    List<GameObject> terrenos;

    // Use this for initialization
    void Start ()
    {


        int i = 1;
        int x = 0;
        while (i <= 7)
        {
            InstanciaCasa(new Vector3(36, 0, i*9));
            InstanciaCasa(new Vector3(52, 0, i*9));
            i++;
        }
        terrenos = new List<GameObject>();
        while (x < 7)
        {
            terrenos.Add((GameObject)Instantiate(plano, new Vector3(44, 0, (x * 10 + 2)), Quaternion.identity));
            x++;
        }
        terrenos.Add((GameObject)Instantiate(plano, new Vector3(44, 0, -30), Quaternion.identity));
    }

    void InstanciaCasa(Vector3 pos)
    {
        casaPequena = (GameObject)Instantiate(casa, pos, Quaternion.identity);
        if (casaPequena.transform.position.x > 50)
        {
            casaPequena.transform.Rotate(0,270,0);
        }
        else
        {
            casaPequena.transform.Rotate(0,90,0);
        }
    }

    // Update is called once per frame
    void Update ()
    {
        if (gameObject.transform.position.z >= nextCasaInstantiate)
        {
            InstanciaCasa(new Vector3(52,0,gameObject.transform.position.z + 60));
            InstanciaCasa(new Vector3(36,0,gameObject.transform.position.z + 60));
            nextCasaInstantiate += 9;
        }
        if (CurrentPlane > 6) { CurrentPlane = 0; }
        if (gameObject.transform.position.z >= terrenos[CurrentPlane+1].transform.position.z)
        {
            terrenos[CurrentPlane].transform.Translate(0, 0, 60);
            Debug.Log("Current Plane: " + CurrentPlane);
            CurrentPlane++;
            lastInstance += 10;
            if (CurrentPlane > 8)
            {
                Debug.Log("Current Plane: " + CurrentPlane);
                CurrentPlane = 0;
            }
        }
    }
}