public void activate(Alien alien) { //SpriteBatch boxBatch = SpriteBatchManager.find(SpriteBatch.SpriteBatchName.Boxes); this.cPCSTree.Insert(alien, this.cParent); alien.addSpriteToBatch(this.cSpriteBatch); alien.addCollisionToBatch(SpriteBatchManager.find(SpriteBatch.SpriteBatchName.Boxes)); if (alien.cGameObjectName == GameObject.GameObjectName.Column) { columnCount++; } else { alienCount++; } }