void OnCollisionEnter2D(Collision2D obj)
{
Debug.Log("Colision!");
if (obj.gameObject.name.StartsWith("spike"))
{
Debug.Log("Colision is spike!");
life -= 1;
print("Life now is " + life);
if (life <= 0)
{
Debug.Log("morreu");
menu.ExibirMenuFim();
}
}
}