public void Tick(TimeSpan delta)
{
Elapsed = new ElapsedGameTime(delta);
foreach (var system in Systems)
{
system.Update(this);
}
}
public static ElapsedGameTime operator +(ElapsedGameTime left, ElapsedGameTime right)
{
var result = new ElapsedGameTime(left._elapsed.Add(right._elapsed));
return(result);
}