public List<Line2D> getHorizontalLines() {
final List<Line2D> result = new ArrayList<Line2D>();
for (int i = 0; i < worm.size() - 1; i++) {
final Point2D pt1 = worm.get(i);
final Point2D pt2 = worm.get(i + 1);
if (pt1.getY() == pt2.getY()) {
final Line2D line = new Line2D.Double(pt1, pt2);
result.add(line);
}
}
return result;
}
public Point2D getLast() {
return worm.get(worm.size() - 1);
}
