public void SwitchGenerateModel(EnemyGenerateModelType type)
    {
        switch (type)
        {
        case EnemyGenerateModelType.Random:
            handle = GenerateModel1;
            break;

        default:
            handle = null;
            break;
        }
    }
 public void Init(EnemyCtrl manager)
 {
     this.manager = manager;
     handle       = null;
 }