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-rw-r--r--examples/graphicsview/elasticnodes/edge.cpp11
1 files changed, 8 insertions, 3 deletions
diff --git a/examples/graphicsview/elasticnodes/edge.cpp b/examples/graphicsview/elasticnodes/edge.cpp
index 4018c25..e32a35a 100644
--- a/examples/graphicsview/elasticnodes/edge.cpp
+++ b/examples/graphicsview/elasticnodes/edge.cpp
@@ -93,11 +93,16 @@ void Edge::adjust()
QLineF line(mapFromItem(source, 0, 0), mapFromItem(dest, 0, 0));
qreal length = line.length();
- QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
prepareGeometryChange();
- sourcePoint = line.p1() + edgeOffset;
- destPoint = line.p2() - edgeOffset;
+
+ if (!qFuzzyCompare(length, qreal(0.0))) {
+ QPointF edgeOffset((line.dx() * 10) / length, (line.dy() * 10) / length);
+ sourcePoint = line.p1() + edgeOffset;
+ destPoint = line.p2() - edgeOffset;
+ } else {
+ sourcePoint = destPoint = line.p1();
+ }
}
QRectF Edge::boundingRect() const