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Oh and as for the question: I am using a static int :)

thx

Oh I didn't get that the whole thing was made in one GreenfootImage.

Sorry for my late answer. I guess you already found out but yes it is possible and it will work.

I matters not whether you have saved them or not, or even whether you create and add them to the world or not. If the method does not find any objects of the given class whose image overlaps the location given, then the method will return null. It is the location that is important. If you place a Back object at location (8, 8), then using getX() (or getY()) in the back class will return 8 for that Back object. If you use 'getOneObjectAtOffset(4, 4, null)' for that Back objec

If you install Greenfoot you will find various jar files in the installation. At least the main one, greenfoot.jar, will be necessary for building scenarios externally. You will not easily be able to run your scenarios from outside Greenfoot. That's about as much information as I can give you, as building scenarios outside of Greenfoot isn't something we really support. Someone else may be able to offer help.

The 'Share' button near the top-right corner of the Greenfoot application frame initiates a dialog where the 'Publish' tab (at the top) is used to upload your scenario on the Greenfoot site. Just fill in the information, check the appropriate boxes and click on the 'Share' button.

If you want a scrolling system for your game you can use a scrolling world demo like one of these: Infinite Scrolling World Scrolling SuperWorld

Thanks dude

What precisely do you mean by 'map an image to a polygon'? And is this something you want to do programmatically (while the scenario is running) or is it something you want done for programming it?

Thanks

The problem is that you use a string to check the rotation like in line 7 (I think in line 7 the "0" should be "90"). The problem is that rotation is an int and "0" is a string. And the check for string.equals(int) will always be false. If you just use: if (rotation == 0) { ... it should work. And in lines 5, 11, ... it would be a bit easyer to use: if (Greenfoot.isKeyDown("keyname")) { ... instead of comparing the current pressed key. But your solution also would work.