private void ListenForCharacterNearRightEdge()
{
ITimeFunction watcher = null;
watcher = TimeFunction.Create(() =>
{
if (character.Left > Width - 2)
{
// turn the character around so he now moves to the left
character.Speed.SpeedX = -8;
// drop a timed mine
var dropper = new TimedMineDropper()
{
Delay = TimeSpan.FromSeconds(4), AmmoAmount = 1, Holder = character
};
dropper.Exploded.SubscribeOnce(() => Sound.Play("PowerArgsIntro"));
dropper.FireInternal();
// eventually he will hit the left wall, remove him when that happens
character.Speed.ImpactOccurred.SubscribeForLifetime((i) => character.Lifetime.Dispose(), character.Lifetime);
// this watcher has done its job, stop watching the secne
watcher.Lifetime.Dispose();
}
});
SpaceTime.Add(watcher);
}
private void ListenForEndOfIntro()
{
SpaceTime.Add(TimeFunction.Create(() =>
{
var remainingCount = SpaceTime.Elements.Where(e => e is FlammableLetter || e is Fire).Count();
if (remainingCount == 0)
{
Cleanup();
}
}));
}
private void PlaySceneInternal()
{
// reveal the PowerArgs logo
factory.InitializeScene(level).ForEach(e => SpaceTime.Add(e));
// create the character
character = new MainCharacter();
// he starts a few pixels from the right edge
character.MoveTo(Width - 7, 0);
// he moves to the right
character.Speed.SpeedX = 5;
// he drops a timed mine and turns around when he gets near the right edge
ListenForCharacterNearRightEdge();
SpaceTime.Add(character);
ListenForEndOfIntro();
}
public void TestTimePerf()
{
var t = new SpaceTime(80, 30, TimeSpan.FromSeconds(.05));
var now = TimeSpan.Zero;
t.Invoke(async() =>
{
for (var i = 0; i < 10000; i++)
{
t.Add(new DummyFunction());
}
while (t.Now < TimeSpan.FromSeconds(100000))
{
Assert.AreEqual(now, t.Now);
now = now.Add(t.Increment);
await t.YieldAsync();
}
t.Stop();
});
t.Start().Wait();
}