down method
void
down()
Move down in this menu.
Implementation
void down() {
final pos = position;
if (pos == null) {
if (menuItems.isNotEmpty) {
position = 0;
}
} else {
if (pos == (menuItems.length - 1)) {
return;
}
position = pos + 1;
}
itemRumbleEffect?.dispatch(game);
showCurrentItem();
}