UpperNode detect broken line fix

src/ui/view/UpperNodeCanvas.java

@@ -676,10 +676,20 @@ public class UpperNodeCanvas extends JPanel implements MouseListener, MouseMotio
 						obj = ed.getB();
 					}
 					if (obj != null) {
-						if (ed.getFlow() == 0)
-							g2.setColor(Color.RED);
-						else
-							g2.setColor(Color.BLUE);
+						if (ed.getConnected() == 0) {
+							if (ed.getState()) {
+								g2.setColor(Color.GREEN);
+								if (ed.getCapacity() != -1) {
+									g2.setStroke(new BasicStroke(Math.min(((ed.getFlow() / ed.getCapacity() * 3) + 1), 4)));
+								}
+							} else {
+								g2.setColor(Color.RED);
+								g2.setStroke(new BasicStroke(2));
+							}
+						} else {
+							g2.setColor(Color.DARK_GRAY);
+							g2.setStroke(new BasicStroke(2));
+						}
 						g2.drawLine(obj.getPosition().x, obj.getPosition().y, (borderPos >> 1),
 								(int) (scalediv20 + 5 + (50 + scalediv20 + 10) * count) + 25);
 						if (showedInformation[0]) {