src/widgets/doc/snippets/timeline/main.cpp


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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

#include <QtWidgets>
#include <math.h>

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();
}