void drawGameOver() {
  background(#000000);
  
  textAlign(CENTER, CENTER);
  
  drawGrid();
  
  fill(#AA000000);
  noStroke();
  rectMode(CORNER);
  rect(0, 0, width, height);
  
  fill(#FFFFFF);
    
  if (selectedLevel < levels.length - 1) {
    textFont(headingFont);  
    text("You solved this level!", width / 2, height / 4);
  
    textFont(textFont);
    text("You used " + moves.size() + " moves.\n\nPress enter to play next level.\nPress space to play this level again.\nPress l to select a different level.", width / 2, height / 2);
  } else {
    textFont(headingFont);
    text("You solved all levels!", width / 2, height / 4);
  
    textFont(textFont);
    text("You used " + moves.size() + " moves.\n\nPress space to play this level again.\nPress l to select a different level.", width / 2, height / 2);
  }
  
  textAlign(CENTER, BOTTOM);
  textFont(smallFont);
  text("Your Solution (" + moves.size() + " moves):\n" + formatMoves(join(moves.array(), ""), 60), width / 2, height - 10);
}

void keyPressedGameOver() {
  if (keyCode == ENTER) {
    if (selectedLevel < levels.length - 1) {
      selectedLevel++;
      
      startGame(selectedLevel);
    }
  } else if (key == ' ') {
    startGame(selectedLevel);
  } else if (key == 'l') {
    gameState = GAME_LEVEL_SELECT;
  }
}

String formatMoves(String moves, int maxLength) {
  StringList parts = new StringList();
  
  while (moves.length() > maxLength) {
    parts.push(moves.substring(0, maxLength));
    
    moves = moves.substring(maxLength);
  }
  
  parts.push(moves);
  
  parts.upper();
  
  return join(parts.array(), "\n");
}