public CFillSimulationEngine(IModelAnimationSimulationImpl modelSimImpl)
     : base(modelSimImpl)
 {
 }
 public CZhujiangSimulationEngine(IModelAnimationSimulationImpl modelSimImpl)
     : base(modelSimImpl)
 {
 }
 public CModelAnimationSimulationEngine(IModelAnimationSimulationImpl fillSimImpl)
 {
     m_simulationImpl = fillSimImpl;
 }