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To set an image to a question, do it the same way as you did questionText or explanation. Use String filename of image. The code given above is only for construction. It has nothing to do with the actual asking and answering of the questions (it only provides the contents of each question). So, setImage and addObject are not used in that block of code.

it works! thanks!

Are you calling die() from anywhere?

You could also do it this way: <Code Omitted>

Any time you make a call from act that (1) could potentially remove the actor from the world and (2) has code beyond the call that requires the actor to be in the world, you should do something like placing the following line after the call: <Code Omitted>

Of course I see that. Then no problem.

Thank you it works!

Assuming you call that method after a question was answered, you could remove the question out of the ArrayList and then switch to a random remaining one. <Code Omitted> Alternatively, you could shuffle the elements of your array randomly at the beginning of your code.

Best might be to use one actor that slowly moves up showing more of its image hiding below the world's edge. Using multiple actors will cause a streaking effect along the bottom edge of the images.

Please refer to my Scrolling Tutorial scenario.

From what I see, it will take like 6 to 7 seconds before its initial moves (due to large timer value of 400), if it moves at all. Then it will not move again as timer is never reset.

Actually, I tried the boolean method a few more times, made the hitbox a bit thinner and I can finally say that it works. Thanks for the help :)

2 is vague as only things really needed are boolean loop control and code block. 5 deals with while and do-while difference (discussed in tutorial).

Try a different key, like "a" (for automove).

Ohhh Thanks!