currentSpriteSet = new SpriteSet();
currentSpriteSet.autoSize = false;
Common.info(1, "nuova mina!");
explosionTime = 5;
lifeTime = 6;
ActionLifeTimer alt = new ActionLifeTimer();
actions.addAction("alt", alt);
actions.addAction("mine", new ActionTimer("",explosionTime,0,false) {
public Object force(Object o) {