Discussions

Yes. How would that be a problem?

In greenfoot, the main method is hidden. Greenfoot automatically constructs your initial world, which is where you jump in with your coding. You put code in your initial world constructor to create any initial actors needed and add them into the world (even if it is just calling a method to do it).

Remove line 5. First, this line is executed once when the Block object is created. It doesn’t change when the player moves. Second, a class doesn’t have a location. An object does. In your case, maybe the following could work: <Code Omitted> If you want the condition to be independent on the x-coordinate, you need to get a reference to the Player in the world: <Code Omitted>

Ah, you're right. My bad, I thought I mentioned the null pointer. Moving the myWorld into act() fixed it, thank you!

Thank you so much!!! It finally worked.

You can use my Combo Support Demo scenario as an example. You would only need to add the timer.

Is there an output console minimized or open displaying any sort of error? Or perhaps a syntax error? Try restarting the Greenfoot program.

alr got it working thanks a million

Thanks it worked!

What code have you tried for checking key press and checking world creation?

The statement: <Code Omitted>is a variable declaration statement. It declares a variable, called water, that is of type Water. That is, water will only be used to reference an object of type Water (aka: a Water instance). It is not being assign any object at this time and therefore will take on a default value of null. So, (d). I did not include (a) because no object is yet referenced by the variable. I did not include (b) because water is an object reference to a Water instance -- not a Type instance. I decl

You can put this into your act method. (Somewhere before line 46.) <Code Omitted>

Welcome)

Good morning I just took over the plasma effect project I'll give you my code, it will be simpler I actually got rid of the bufferedimage the code works but I have a little trouble with the if for the moment the colors are displayed in full window but do not give color spots but this is due to the plasma, I think? Thank you for your help