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Thank you for the help.

thank you danpost

The addObject method has two int parameters for the x- and y-coordinate values at which to place an object. If you want specific help, show your current codes and explain, in detail, what it is you wish to accomplish. Then, explain how it is not doing what you want and what you think needs to be changed.

They should not. Please show your code (entire class please).

Just add an int shot delay timer to the Shooter class: <Code Omitted>

Please show attempted code (entire class please).

I have fixed the issue. If you call addObject from a TimerTask class (java.util.Timer), then Greenfoot has a chance of giving an error when that Actor is being removed along with other ones. The only way to avoid the errors is to stop using the java.util.Timer. Greenfoot is not thread safe it seems

Thank you!:)

The tutorial has just about all the information you should need.

You have 9 different worlds. That is not bad, in and of itself; but, I am sure it would be taxing on memory if you all of them existing at the same time. So, my first suggestion may not be the best approach. Since I do not know anything about your worlds, no suggestion can be formulated at this time. Please provide world class codes for which cat is initially located. Now, if there was a way to "save" your worlds using minimal data (without saving the worlds themsel

In line 27 of Rope class, you probably want the y-coordinate of the addObject line to be zero. Then, in the act method of the Cage class, you need the falling code:

Use the getOneObjectAtOffset method:

The code provided by myself was tested before posting. I am quite sure it, by itself, is not the problem. Please show your updated code.

I thought I took care of that with line 12. However, it seems to be misplaced. Move line 12 two lines down to have lines 6 through 15 look like this: <Code Omitted>As long as the provided code is placed in the act method before the movement code, It should now work as required.