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Please show (copy/paste) the entire error output. This cannot have anything to do with the error. However, it will cause the actor to jump back and forth between the "edges" if landing at one

The only problem I see for the Wombat scenario is that the WombatWorld constructor does not call the populate method.

The file names are missing their extensions (".jpg", ".png", or ".gif").

Thank you, i missed, that it was the false one ^^ Now it's working :D

They want to make sure you are not spamming or promoting another site. This only happens the first time you add a link into a post (usually).

Thank you very much :)

I have used some of the refferences. it works out with little tuning. thx! an optional coding result is coming soon stay tuned.

You start with some action code -- make it move, detect edges and blocks, etc. I do not know if you will have your ball change its appearance at some point, but for now you can change your updateImage method to this: <Code Omitted>The ball.clear was removed because a new GreenfootImage object created by given dimensions starts out clear.

The main entries: <Code Omitted>

I understand, thank you very much :)

Mit der Version 3.1.0 klappt es auch ohne den Umweg.

Thanks

Without any available code to your project, it is impossible to say why it will not run in HTML5. However, in the majority of the times, it is because some class in the java.awt package is being used.

Well, the turno method should now be this: <Code Omitted>If you still get an error (or if you do in the future), do not just say you are getting one -- show what error output you are being given.