diff options
Diffstat (limited to 'examples/dbus/remotecontrolledcar/car/car.cpp')
| -rw-r--r-- | examples/dbus/remotecontrolledcar/car/car.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/examples/dbus/remotecontrolledcar/car/car.cpp b/examples/dbus/remotecontrolledcar/car/car.cpp index 7d12e54071..0920658281 100644 --- a/examples/dbus/remotecontrolledcar/car/car.cpp +++ b/examples/dbus/remotecontrolledcar/car/car.cpp @@ -93,5 +93,24 @@ void Car::timerEvent(QTimerEvent *event) setTransform(QTransform().rotate(rotation), true); setTransform(QTransform::fromTranslate(0, -speed), true); + + if (!scene()->views().isEmpty()) { + QRect viewRect = scene()->views().at(0)->sceneRect().toRect(); + QTransform fx = transform(); + qreal dx = fx.dx(); + qreal dy = fx.dy(); + while (dx < viewRect.left() - 10) + dx += viewRect.width(); + while (dy < viewRect.top() - 10) + dy += viewRect.height(); + while (dx > viewRect.right() + 10) + dx -= viewRect.width(); + while (dy > viewRect.bottom() + 10) + dy -= viewRect.width(); + setTransform(QTransform(fx.m11(), fx.m12(), fx.m13(), + fx.m21(), fx.m22(), fx.m23(), + dx, dy, fx.m33())); + } + update(); } |