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How to make a actor turn when it reaches the edge of the World?

By AabisHussain, with 1 reply.
Replied to by Retluoc, over 10 years ago:

3d z-sorting

By wabuilderman, with 10 replies.
Last reply by wabuilderman, over 10 years ago:

Also, the anotation is very much appreciated. and so is your patience with me.

How do I make an object keep moving at the world's edge?

By pmerrill21, with 3 replies.
Last reply by danpost, over 10 years ago:

pmerrill21 wrote...

How would I be able to make the car go back and forth?

danpost wrote...

The line 'setRotation(180)' is one directional. It will never set the rotation back to zero.

Either use: <Code Omitted>

Creating A New Level When Score Reaches A Certain Number

By Retluoc, with 8 replies.
Last reply by Retluoc, over 10 years ago:

Thank you very much for the help. That helped fix the issue with going to the new level.

Error in eclipse while running ant

By ds06, with 1 reply.
Replied to by davmac, over 10 years ago:

Looks like you didn't do this correctly:

4. Configuring and running ant You need to run the ant build scripts to put certain files in the correct places before you can build and run greenfoot: * Edit the greenfoot/build.properties to set local paths.

You need to follow the instructions precisely. 'bluej_home' edit: 'bluej.projectdir' must be set to the folder containing the BlueJ project.

Keep getting incompatibale types, Sys.out.pr. was just for testing

By berdie, with 7 replies.
Last reply by berdie, over 10 years ago:

Hey, I fixed that problem saw that problem when googling, but when i declare as List i won't be able to use getX() or getY()<Image Omitted>

I want to Get the Amount of one specific Object

By aaronmckenzie, with 3 replies.
Last reply by aaronmckenzie, over 10 years ago:

Hey thanks for the coding it, wabuilderman your coding was the only oen that worked but thanks for helping out to Super_Hippo

Stopping a sound

By christinem024, with 7 replies.
Last reply by danpost, over 10 years ago:

how to setLocation of a different class?

By mullac51, with 3 replies.
Last reply by danpost, over 10 years ago:

The good ol' NullPointerException throw. If no GoldenBall object is intersecting the location at the offset given, 'ball' will be set to 'null'. You cannot set the location of a 'null' object reference. You must ensure that 'ball' is not 'null' before using 'setLocation' on it: <Code Omitted>

mouse clicked

By Korina, with 10 replies.
Last reply by danpost, over 10 years ago:

Korina wrote...

And sometimes the mouse doesn't click. Why? On my Start Menu I also used if(Greenfoot.mouseClicked(this)) and it works perfectly. Is it because the actor are moving?

If the hammer is following your mouse, then you most probably will be clicking on the hammer and not the pig. At least, that will be the case if you have 'setPaintOrder' in your world with Hammer.class first (which is ok).

Enemy move certain distance on X axis

By mullac51, with 2 replies.
Last reply by mullac51, over 10 years ago:

Thank you very much! I was thinking it was much more complicated than that!

How do I make a string of colors?

By christinem024, with 5 replies.
Last reply by christinem024, over 10 years ago:

Oh wow, I feel silly. Thank you so much, that makes a lot more sense. You're awesome @davmac !!!!

davmac wrote...

I think my answer above gives you that. You use Strings for songNames and soundFiles because these are naturally represented as Strings; for colors you should use Color. In any case line 77: <Code Omitted> will not work unless 'colors' is of type Color.

Need help with a mathematical game!

By Mahx, with 3 replies.
Last reply by danpost, over 10 years ago:

At least show the world class, which should show how your objects are created. It would be best to have attempted code for what you are having problems with included in the class so one can get a general idea of what you are trying to do. Explain where you are having difficulty and how is should be compared to how it is currently behaving.

Enum and String exception when inspecting!

By Upupzealot, with 8 replies.
Last reply by efe, over 10 years ago:

ok, now I got it I actually have to declare the instance variables public or private which I didn't in the first place. With that little modifications things work nicely. Thank's a lot.

Collision Problems

By Space0fAids, with 3 replies.
Last reply by danpost, over 10 years ago:

It will take the Y of the platform minus half the height of its image AND half the height of the player image.

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