newyear.pde

PFont font;
String message;

void setup() {
  size(300, 700);
  noLoop();
  
  font = createFont("HiraMinProN-W6", 36, true);
  message = "あけまして\nおめでとう\nございます\n今年もよろしくお願いします";
}

void draw() {
  background(#e6eae3);
  fill(#595857);
  textFont(font);
  text(createVerticalMessage(message), 15, 50);
}

String createVerticalMessage(String s) {
  String result = "";
  String[] messages = message.split("\n");
  int maxLengthOfMessage = 0;
  for (int i=0; i<messages.length; i++) {
    String m = messages[i];
    if (m.length() > maxLengthOfMessage) {
      maxLengthOfMessage = m.length();
    }
  }

  for (int y=0; y<maxLengthOfMessage; y++) {
    ArrayList chars = new ArrayList();
    for (int x=0; x<messages.length; x++) {
      String m = messages[x];
      println(m);
      String c = (y >= m.length()) ? "　" : String.valueOf(m.charAt(y));
      chars.add(c);
    }
    for (int i=chars.size()-1; i>=0; i--) {
      result += chars.get(i);
    }
    result += "\n";
  }
  println(result);
  return result;
}