/// <summary>
/// Called when the activeHero is hit by an enemy.
/// </summary>
/// <param name="hitBy">
/// The enemy who hit the activeHero. This is null if the activeHero was not hit by an
/// enemy, such as when a activeHero hits or is hit by a hazard.
/// </param>
private void OnHeroHit(GameCharacter hitBy)
{
ActiveHero.OnHit(hitBy);
}
