charlox_SeaInvaders/SeaInvaders/levelUp.pde
void levelUp() {
  bottomRowDeclared = false;
  enemiesCalled = false;
  farLeftJelly = 120;
  firedBack = false;
  jellyChosen = false;
  previousScore = currentScore;
  level++;
  blowUpFinished = false;
  bubbleY = height-50;
  blowUpWidth = 1;
}
