private void Awake()
{
tiles = GameObject.Find("touchTiles").GetComponent <TouchPos> ();
trans = GetComponent <Transform> ();
render = GetComponent <SpriteRenderer> ();
switch (typeUnit)
{
case 3:
timeDespawn = new WaitForSeconds(20f);
break;
default:
timeDespawn = new WaitForSeconds(3f);
break;
}
}