By now, you should have a good understanding of the items, the scene, and the view. With your knowledge of how to create items, standard and custom ones, of how to position them on the scene, and of how to set up the view to show the scene, you can make pretty awesome things. You can even zoom and move the scene with the mouse. That's surely good, but for a game, one crucial point is still missing—you have to animate the items.
Instead of going through all possibilities of how to animate a scene, let's develop a simple jump-and-run game where we recap parts of the previous topics and learn how to animate items on a screen. So let's meet Benjamin, the elephant: