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#include "mouse.h"

#include <QtGui>

#include <math.h>

static const int MouseCount = 7;

//! [0]

int main(int argc, char **argv)

{

    QApplication app(argc, argv);

    qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));

//! [0]

//! [1]

    QGraphicsScene scene;

    scene.setSceneRect(-300, -300, 600, 600);

//! [1] //! [2]

    scene.setItemIndexMethod(QGraphicsScene::NoIndex);

//! [2]

//! [3]

    for (int i = 0; i < MouseCount; ++i) {

        Mouse *mouse = new Mouse;

        mouse->setPos(::sin((i * 6.28) / MouseCount) * 200,

                      ::cos((i * 6.28) / MouseCount) * 200);

        scene.addItem(mouse);

    }

//! [3]

//! [4]

    QGraphicsView view(&scene);

    view.setRenderHint(QPainter::Antialiasing);

    view.setBackgroundBrush(QPixmap(":/images/cheese.jpg"));

//! [4] //! [5]

    view.setCacheMode(QGraphicsView::CacheBackground);

    view.setViewportUpdateMode(QGraphicsView::BoundingRectViewportUpdate);

    view.setDragMode(QGraphicsView::ScrollHandDrag);

//! [5] //! [6]

    view.setWindowTitle(QT_TRANSLATE_NOOP(QGraphicsView, "Colliding Mice"));

    view.resize(400, 300);

    view.show();

    QTimer timer;

    QObject::connect(&timer, SIGNAL(timeout()), &scene, SLOT(advance()));

    timer.start(1000 / 33);

    return app.exec();

}

//! [6]