// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include #include int main(int argv, char *args[]) { QApplication app(argv, args); //! [0] QGraphicsItem *ball = new QGraphicsEllipseItem(0, 0, 20, 20); QTimeLine *timer = new QTimeLine(5000); timer->setFrameRange(0, 100); QGraphicsItemAnimation *animation = new QGraphicsItemAnimation; animation->setItem(ball); animation->setTimeLine(timer); for (int i = 0; i < 200; ++i) animation->setPosAt(i / 200.0, QPointF(i, i)); QGraphicsScene *scene = new QGraphicsScene; scene->setSceneRect(0, 0, 250, 250); scene->addItem(ball); QGraphicsView *view = new QGraphicsView(scene); view->show(); timer->start(); //! [0] return app.exec(); }