void Update () {
_timeAtCurrentFrame = Time.realtimeSinceStartup;
_deltaTime = _timeAtCurrentFrame - _timeAtLastFrame;
if(_deltaTime > _timeDelta) {
if (Input.GetKey(KeyCode.Alpha1)) {
GoToScreen(GameScreen.screen1);
} else if (Input.GetKey(KeyCode.Alpha2)) {
GoToScreen(GameScreen.screen2);
} else if (Input.GetKey(KeyCode.Alpha3)) {
GoToScreen(GameScreen.screen3);
}
_timeAtLastFrame = _timeAtCurrentFrame;
}
arrowManager.launchAnimation ();
}