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Sorry that I only gave half of the fix. I should have continued to closely look through the codes even after realizing the first part of the problem. I pretty much just stopped after looking at the first few lines and seeing that the fields were 'private' with no 'getter' and 'setter' methods to go along with them.

Thank you now it works!

Think about what the game should be like. Write code step by step. If you have trouble with a specific step, we can try to help you.

Your line 1 should be outside any methods and the code danpost provided should be in the act method.

Try to remove the -c200 from the file name and from the line of code.

I think you need to supply a bit more detail to what you are wanting. The question is too general to ensure a suitable response. As given, I could only presume that the actors are paired in some way -- that a click on one will switch it with its counterpart. But, I have a sneaking suspicion that this is not the case.

The 'setLocation' line, if placed in the act method or a method that the act method calls, alone will cause the object to fall -- fairly quickly. The 'setSpeed' line will drastically slow down the entire scenario and should not be used for a specific class of objects. (I said "drastically slow down" because you are not adding 20 to the running speed of the scenario, but setting the speed to 20 out of 100 where normal speed is at 50). The '7' will be the falling rate and at a world height of 400, each falling object will probably hit the bottom of the world in less than one second.

Thanks, that'll help in my asteroids game...

Thank you so much, it worked!

Lines 14 through 16 create the required objects. You need not create more on lines 59, 61 and 63 (removes these lines). Same thing with lines 43, 45 and 47 (remove them).

thnx

Yes, all blocks of each tetromino should be moved together at the same time, then collision checking should be performed for all the blocks and upon any collision encounters, they are all moved back together. With a bounded world, two blocks of the same tetromino will be found colliding upon edge e

Thank you! Now it works. Thank you very much!

If I understand correctly, what you really want to do is carry one "CorrectAnswer" object between your worlds. So, in fact you don't want a "new CorrectAnswer" at all; what you want is a parameter for your constructor. In that case the constructor for QuMaj becomes: <Code Omitted> (Note, remove the current line 36 from your prepare() method). (If y