private void adjust_corners(){
  int check_len=plaline_len(-2);
  for (int index=0; index < check_len; index++) {
    adjust_corner(index);
  }
}

private void adjust_corners ( ) { int check_len = plaline_len ( - 2 ) ; for ( int index = 0 ; index < check_len ; index ++ ) { adjust_corner ( index ) ; } }
i should make the corners all ints and lines join at corners it kind of work at the beginning . . . but then it falls apart
