public static void DropBomb()
{
UFOManager ufoMan = UFOManager.GetInstance();
UFO ufo = ufoMan.pUFO;
PCSTree pcsTree = GameObjectManager.GetRootTree();
Debug.Assert(pcsTree != null);
Bomb pBomb = new Bomb(GameObjectName.UFOBomb, SpriteBaseName.UFOBomb, new FallStraight(), ufo.x, ufo.y, 0);
pBomb.pProxySprite.pSprite.SetColor(ColorFactory.Create(ColorName.Red).pAzulColor);
ufoMan.pBomb = pBomb;
SpriteBatch sbAliens = SpriteBatchManager.Find(SpriteBatchName.Aliens);
SpriteBatch sbBoxes = SpriteBatchManager.Find(SpriteBatchName.Boxes);
pBomb.ActivateCollisionSprite(sbBoxes);
pBomb.ActivateGameSprite(sbAliens);
GameObject pBombRoot = GameObjectManager.Find(GameObjectName.BombRoot);
Debug.Assert(pBombRoot != null);
pcsTree.Insert(ufoMan.pBomb, pBombRoot);
SetUFOBombActive(true);
Debug.WriteLine("UFO Bomb dropped!");
}