
last_letter = numletters - 1;
if (last_letter){
if (sub_order < 2){
  letter_perc = letter / last_letter;
  if (sub_order == 1) letter_perc = 1 - letter_perc;
} else if (sub_order < 4){
  my_letter = 2 * letter;
  if (my_letter >= numletters) my_letter = 2 * numletters - my_letter - 2;
  letter_perc = my_letter / last_letter;
  if (sub_order == 3) letter_perc = 1 - letter_perc;
} else {
  letter_perc = frame / lastsubframe;
}
perc = Math.min(1, Math.max(0, 2 * frame / lastsubframe - letter_perc));
} else perc = frame / lastsubframe;
if (reverse_sub_effect == true) perc = 1 - perc;
if (letter % 2) d = -1 else d = 1;
letter_perc = numletters / letter;
if (use_scaling) zed = 2 else zed = 1;
if (use_alpha) alpha = perc * 100;
tx = -__x * (max_delta_z * zed / 340) * (1 - perc) * (1 - perc);
tz = max_delta_z * zed * (1 - perc) * (1 - perc);
yrotate = -360 * x_rotations * (1 - perc) * (1 - perc);

