좌우로 움직이는 로봇

using UnityEngine;

using System.Collections;

public class ExVector : MonoBehaviour {

public int mode = 0;

// Use this for initialization

void Start () {

}

// Update is called once per frame

void Update () {

//transform.position += Vector3.right * 5 * Time.deltaTime;

//transform.position += Vector3.up * 5 * Time.deltaTime;

print (transform.position);

if(mode == 0){

transform.position += Vector3.right * 5 * Time.deltaTime;

if(transform.position.x > 10){

mode = 1;

}

}

if(mode == 1){

transform.position += Vector3.left * 5 * Time.deltaTime;

if(transform.position.x < -10){

mode = 0;

}

}

}

}