the background and sprite



I understand sprites, but I do not understand the logic too. To better explain I have a picture (see).

Can you more m'expliqué the logic of Sprite that I can do this game?

I do not understand too much the background of the source code is not displayed and I would like to use the sprites in conventional method, this mean that I take a portion of the image that I move.

Sorry for my bad English (in part by translator).

Thank you for your help in advance



Thank Erel,

Here is the source code that I could understand how little sprite to your maximum at the same time?

And how can the angle that respects the opposite angle as the diagram above.

Last question: how to display a sprite to rest a position once arrived at the top and new sprite after.

Thank you in advance,
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Good morning,

Now I get a poster several sprite but I did not understand the directions.

Is it possible to as the schema joint, the ball rises and ricoche on board. once it takes up its final position.

thank you in advance.