Adding animation with QTimeLine : QTimeLine « Qt « C++

1. C++
2. Qt
3. QTimeLine

Adding animation with QTimeLine

  
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#include <QtGui>
#include <math.h>

int main(int argv, char *args[])
{
    QApplication app(argv, args);


    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();


    return app.exec();
}

   
    
  

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