/// <summary>
/// 离开场景
/// </summary>
/// <returns></returns>
public virtual IEnumerator Exit()
{
IsDead = true;
mLayer[mPosition] = null;
yield return(mDisplay.Exit());
mDisplay = null;
}
/// <summary>
/// 首次进入场景
/// </summary>
/// <returns></returns>
public virtual IEnumerator Enter()
{
IsDead = false;
if (mDisplay == null)
{
mDisplay = Game.Instance.DisplayFactory.GetTileDisplay(this);
}
yield return(mDisplay.Enter());
}