public override void execute(float deltaTime)
{
Column col = (Column)alien.pParent;
alien.remove();
AlienFactory af = FactoryManager.getAlienFactry();
af.reduceCount(alien);
if (af.alienCount == 20)
{
Unit.level1Mid();
AlienGrid ag = (AlienGrid)af.cPCSTree.getRoot();
ag.updateDelta();
}
if (af.alienCount == 5)
{
Unit.level1Last();
AlienGrid ag = (AlienGrid)af.cPCSTree.getRoot();
ag.updateDelta();
}
//Commnetd for level 2
if (col.death)
{
af.reduceCount(col);
col.remove();
}
}