int scrolltextlen;
int scrolltextwidth;
int scrollpos = 0;
int glyphwidth;
int scroller_y_pos;

final String invtext = "                                    I invite you to the greatest party event this year! Tobs oldskool birthday BBQ is taking place June 2nd, 20.00h in Aachen on the famous Grillplatz behind the Europahochaus. As always I will provide free and open beer as well as meats of evil! Compos include freestyle painting with ketchup, hot sauce drinking and cardboard plate frisbee! Be there or be % ! Please tell me if youre coming!";
final int scrollspeed = 3;

void setupScroller()
{
  scroller_y_pos = H - bernstein_get_glyph_height() - 4;
  scrolltextlen = invtext.length();
  scrolltextwidth = scrolltextlen * bernstein_get_glyph_width();
  glyphwidth = bernstein_get_glyph_width();
}

void draw_scroller()
{
  fill(0,0,0);
  stroke(#BC9A1E);
  rect(-1, scroller_y_pos, W+1, 50);
  
  int firstchar = scrollpos / glyphwidth;
  
  int curchar;
  for(int i = 0; i<W/glyphwidth+2; ++i)
  {
    curchar = (firstchar+i) % scrolltextlen;
    bernstein_draw_char(invtext.charAt(curchar), (-scrollpos) % glyphwidth + i * glyphwidth, scroller_y_pos);
  }
  
  scrollpos += scrollspeed;
  if(scrollpos > scrolltextwidth)
    scrollpos -= scrolltextwidth;
}