public override void Update()
{
if ((Frameinfo.PreviousMouseState.LeftButton == ButtonState.Pressed) &&
(Frameinfo.MouseState.LeftButton == ButtonState.Released))
{
if (CurrentGameStateIndex == 0)
CannonGame.ChangeState(1);
else if (CurrentGameStateIndex == 2)
CannonGame.ChangeState(1);
else if (CurrentGameStateIndex == 3)
CannonGame.ChangeState(1);
}
}