public override void Update(LevelTime levelTime)
{
base.Update(levelTime);
var progress = (Angle - startAngle) / (endAngle - startAngle);
progress = MathHelper.Clamp(progress, 0, 1);
progress = MathEx.EaseInOutSine(progress);
Radius = MathHelper.Lerp(startRadius, endRadius, progress);
}
public void Update(LevelTime lt)
{
// TODO: Fix move speed & spawn speed
if (!Config.GameSettings.DrawOuterRings)
{
return;
}
var elapsed = lt.ElapsedMs;
for (int i = 0; i < rings.Count; i++)
{
// despawn rings if they've been offscreen for too long
if (rings[i].Radius > MaxRingRadius)
{
rings.RemoveAt(i);
i--;
continue;
}
// update radius / line thickness of rings on screen
var radiusSpeed = (float)(elapsed * 0.05 * Speed);
rings[i].Radius += (float)(Math.Pow(rings[i].LineThickness / arenaCircle.LineThickness, 1.5)
* lt.TimeWarp * radiusSpeed);
rings[i].LineThickness = arenaCircle.LineThickness * (rings[i].Radius / arenaCircle.Radius);
rings[i].Center = arenaCircle.Center;
var color = ringColor;
if (FadeIn)
{
var fadeInDuration = (float)(300 / lt.TimeWarp);
var alpha = 1f;
if (rings[i].Age < fadeInDuration)
{
var progress = rings[i].Age / fadeInDuration;
alpha = MathEx.EaseInOutSine(progress);
}
rings[i].BorderColor = new Color(color, alpha);
}
rings[i].Update(lt);
}
// determine if new rings should be spawned
if (SpawnNewRings)
{
timeSinceLastSpawn += elapsed * Math.Min(1, lt.TimeWarp);
if (lt.TimeWarp > 0.00001f && timeSinceLastSpawn > SpawnRate)
{
SpawnNewRing();
timeSinceLastSpawn = 0;
}
}
}