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Alright. I guess you can keep the Counter object fields, only those containing Counter objects, as static fields; but, I suggest that you assign their objects in your world constructor -- not in their line of declaration.

yes the static fields were the problem, works fine now thank you for your help :)

Good morning

Please show the code of the subclass that extends the Animal class that is producing this error.

You have the class ending right after the act method. Everything else below needs to be moved up inside the class.

Because all possibilities are covered by the first two condition (either the first one is true or, if not, the second one must be true), the last two conditions are never a consideration. Either use the same button class for both buttons (with possibly different text) or disconnect the 'if's by removing the 'else' at line 11 and check which world the actor is in before asking about each button.

ok thanks for the help guys :)

You have shown part of a subclass of Actor. I asked for you to show ALL codes you have created (meaning entire class codes of ALL subclasses of World and Actor. I do not know if you even have a subclass of World, which is required, yet.

Oh yes, you are right, thank you. I probably missed that because I have never used that method myself... or because the method in the Animal class is named atWorldEdge.

In play do:<Code Omitted>

I belive i still have a lot to learn, i understood your idea and i'm gonna apply it differently, made by myself, othervise i will not understant anything and not learn anything Thans for the ideea dude, you're awesome

Try to use "dog.wav" instead of only "dog".

thank danpost

If you mean you are trying to have the player stop when a tree is encountered (so that they do not intersect each other -- that kind of 'prevent collision'), then your Tree class should simply be this: <Code Omitted>and you should have the player that moves check for trees and stay off of them.

If this is in a world subclass, simply remove 'getWorld().'.