private static IEnumerator Dim(PiecewiseRender pr, Color color, float bop, float overT = 0.2f)
{
if (pr.cT?.Cancelled == true)
{
yield break;
}
Color baseColor = pr.lastColor;
float baseBop = pr.lastBop;
for (float t = 0; t < overT; t += ETime.FRAME_TIME)
{
pr.lastColor = Color.Lerp(baseColor, color, t / overT).WithA(pr.lastColor.a);
float nextBop = baseBop + M.EOutSine(t / overT) * (bop - baseBop);
foreach (var sr in pr.spriteRenders)
{
sr.color = pr.lastColor;
var p = sr.transform.localPosition;
p.y += (nextBop - pr.lastBop);
sr.transform.localPosition = p;
}
pr.lastBop = nextBop;
if (pr.cT?.Cancelled == true)
{
yield break;
}
yield return(null);
}
pr.lastColor = color.WithA(pr.lastColor.a);
}
private PiecewiseRender NewPiecewise(StandLocation rootSR, DialogueSprite sprite)
{
if (renders.TryGetValue(rootSR, out var pr))
{
pr.DestroySpawned();
}
else
{
renders[rootSR] = pr = new PiecewiseRender();
}
pr.Restructure(Target(rootSR), sprite);
return(pr);
}
private static IEnumerator _FadeStand(PiecewiseRender pr, float time, bool fadeIn, ICancellee cT, Action done)
{
var(t0, d) = fadeIn ? (0, ETime.FRAME_TIME) : (time - ETime.FRAME_TIME, -ETime.FRAME_TIME);
for (; 0 <= t0 && t0 < time; t0 += d)
{
pr.ApplyColor(pr.lastColor.WithA(t0 / time));
if (cT.Cancelled)
{
done();
yield break;
}
yield return(null);
}
pr.ApplyColor(pr.lastColor.WithA(fadeIn ? 1 : 0));
done();
}