private static Shape convertPolygon(Polygon2d polygon) {
int[] x = new int[polygon.getNumberOfCorners()];
int[] y = new int[polygon.getNumberOfCorners()];
int pos = 0;
for (Point2d pt : polygon.getCornerPoints()) {
x[pos] = (int) pt.getX();
y[pos] = (int) pt.getY();
++pos;
}
return new Polygon(x, y, x.length);
}
@Override
public void drawLine(Point2d start, Point2d end) {
pipe.drawLine((int) start.getX(), (int) start.getY(), (int) end.getX(), (int) end.getY());
}