void OnTriggerEnter2D(Collider2D col)
{
if (col.tag == "rotator")
{
transform.SetParent(col.transform);
gamemanager.scoreupdate();
col.GetComponent <rotatorscript> ().speed += 10f;
ispinned = true;
}
else if (col.tag == "pin")
{
gamemanager.gameover();
}
}