public RadarPing Add(Func <bool> isVisible, WPos position, Color color, int duration)
{
var ping = new RadarPing(isVisible, position, color, duration, info.FromRadius, info.ToRadius, info.ShrinkSpeed, info.RotationSpeed);
if (ping.IsVisible())
{
LastPingPosition = ping.Position;
}
Pings.Add(ping);
return(ping);
}
