public boolean checkColision(int x1, int y1, int x2, int y2){
		if(alive){
			if(colidate(x1, y1, x2, y2) ){
				if(!getProtect().isActive()){
					lives--;
					imgLives.setText("x"+lives);
					alive = false;
					explosionTime = 0;
					exp = true;
					SoundManager.playExplosion();
				}
				return true;
			}
		}
		return false;
	}