IEnumerator Start

private IEnumerator Start()
        {
            ProcedureBase[] procedures = new ProcedureBase[m_AvailableProcedureTypeNames.Length];
            for (int i = 0; i < m_AvailableProcedureTypeNames.Length; i++)
            {
                Type procedureType = Utility.Assembly.GetType(m_AvailableProcedureTypeNames[i]);
                if (procedureType == null)
                {
                    Log.Error("Can not find procedure type '{0}'.", m_AvailableProcedureTypeNames[i]);
                    yield break;
                }

                procedures[i] = (ProcedureBase)Activator.CreateInstance(procedureType);
                if (procedures[i] == null)
                {
                    Log.Error("Can not create procedure instance '{0}'.", m_AvailableProcedureTypeNames[i]);
                    yield break;
                }

                if (m_EntranceProcedureTypeName == m_AvailableProcedureTypeNames[i])
                {
                    m_EntranceProcedure = procedures[i];
                }
            }

            if (m_EntranceProcedure == null)
            {
                Log.Error("Entrance procedure is invalid.");
                yield break;
            }

            m_ProcedureManager.Initialize(GameFrameworkEntry.GetModule<IFsmManager>(), procedures);

            yield return new WaitForEndOfFrame();

            m_ProcedureManager.StartProcedure(m_EntranceProcedure.GetType());
        }

　　协程的方式执行unity的生命周期函数