Discussions

Please show the complete error output you got.

Yes, it is. Why not?

thank you!! easier than I thought, thanks so much

With a gif image, there is a method which automatically gets the next image. You can obviously do everything which a gif image can with "normal" images and some code, too.

Add an int variable which you can use as a timer. Set it to some number whenever a shot is fired. Each act cycle, you decrease that number if it above 0 and only if it is 0, you can shoot. (Obviously you can also increase it and do it the other way around.)

The constructor is executed when the object is created, before it is added to the world. That's why your 'world' variable is never anything else then 'null'. If you really want to save a reference to the world in your enemy class, you can add the 'addedToWorld' method: <Code Omitted> Maybe you can also use this (try it out, I am not sure): <Code Omitted>

You can find the images in the 'Greenfoot/lib/greenfoot/imagelib' folder.

I fixed it! I moved the 'Space a=(Space) getWorld();' line in act() when the user presses `SPACE`. Now everything works fine! Thanks Super_Hippo! Thanks danpost!

Thank youu

When you get the target location, compare the x and y to the size of your world, so if it is negative or 8 or higher, instead of moving, you print out a message (or create an object which uses an image with the message).

I don't know if there is a more easier way, but I would probably create a new image for each line and then draw all these images below each other on one image which the object can use.

Or can some pro help me to translate the texts of java to stride?

You cannot set the Gardener field of the SprayWater object when you do not have a reference to the object. Do not create the SprayWater object in the 'addObect' line -- create it before the line, set the Gardener object reference in it and then add it to the world: <Code Omitted>

You have an unbounded world -- you can put any object anywhere regardless of whether on-screen or not.

Thank you so much @danpost and @Super_Hippo my code worked!