/// <summary>
/// Called when the activeHero is killed.
/// </summary>
/// <param name="killedBy">
/// The enemy who killed the activeHero. This is null if the activeHero was not killed by an
/// enemy, such as when a activeHero falls into a hole.
/// </param>
private void OnHeroKilled(Enemy killedBy)
{
ActiveHero.OnKilled(killedBy);
}
