/// hook into emitters for displaying text and recording completion then prepare the visual
protected void Awake()
{
void show(Emitter emitter)
{
var text = showing.Value;
if (string.IsNullOrEmpty(text))
{
return;
}
textToDisplay = text;
repeat = 0;
display.Go();
}
float pixelsPerSecond = 0;
void prepare(Fiber fiber)
{
if (string.IsNullOrEmpty(textToDisplay))
{
fiber.Break();
return;
}
repeat = repeats + 1;
content.text = textToDisplay;
content.resizeTextMaxSize = content.cachedTextGenerator.fontSizeUsedForBestFit;
var rect = content.rectTransform;
rect.SetSizeWithCurrentAnchors(axis: RectTransform.Axis.Horizontal, size: content.preferredWidth);
scroller.Reset();
Vector3[] corners = new Vector3[4];
rect.GetWorldCorners(corners);
float pixelsWide = corners[2].x - corners[0].x;
float pixelsPerCharacter = (pixelsWide / textToDisplay.Length);
pixelsPerSecond = charactersPerSecond * pixelsPerCharacter;
}
void step(Fiber fiber)
{
if (!scroller.Step(pixelsPerSecond * Time.fixedUnscaledDeltaTime) || (repeat == 0))
{
fiber.Break();
}
}
display = Fiber.Instance.Do(prepare).Begin.Begin.Do(step).Again.Until(_ => -- repeat <= 0);
display.OnComplete.Listen(_ => showingComplete.Fire());
showing.Emitter.Listen(show);
if (showing.Emitter.Firings > 0)
{
show(showing.Emitter);
}
}
private static void FirstUpdate(Fiber fiber) => fiber.Go();
/// <a href="http://bit.ly/2CV0RNn">Wait for another fiber to complete, starting it if needed</a>
public Fiber WaitFor(Fiber anotherFiber)
{
WaitFor(PrepareAnotherFiber(anotherFiber).OnComplete, "WaitFor(Fiber)");
Do(_ => anotherFiber.Go());
return(this);
}