Discussions

(I guess the big one is spawning two medium ones and not just two small ones?) You can have a size variable in your asteroid class: <Code Omitted>When creating an Asteroid, you pass the size it should have: <Code Omitted> Then you need a method to split the Asteroid. It will spawn two Astero

Thanks! That makes sense. Shuffling worked even better than what I was doing.

Where is your code to proceed to the final (boss) battle in your TestShop (or LevelUp) class?

Probably the easiest thing to do is to comment out any problem areas in your code until it compiles; then, upload the scenario to this site providing the code (checking the 'Publish source code' box).

If you remove the "startExplosion", the monster will not (or at least should not) explode though, only the spaceship. A line like this does not do anything: <Code Omitted>Maybe it has to be this: <Code Omitted>

Why don't you ask your question here?

It doesn't have a yes/no option, but in general, Greenfoot.ask() is easier than JOptionPane. In modern versions of Greenfoot there are issues to do with window ordering if you try to use dialogs in your code.

<Code Omitted> Then you have several options. You can check for a click here in this class. Then either send it to somewhere else to check with the list or check it from here. Or you check for the click on this object from somewhere else.

"static" can be translated with "belonging to a class". Static variables are shared with all members of the same class. If every object of the same class has its own value for the variable, it can't be static. It is basically the same for methods. Methods can be static when they don't use anything non-static. For example a method like "getX()" is not static, so you can not use "ClassName.getX()". An Actor is in the world and has its X-coordinate. If there are several Actors of this class in the world, each of them wants to move separately. To use a non-static method, you need to call the metho

Instead of spawning an array of 7 or so asteroids at a time, would it not be easier to just spawn one at a time at regular intervals? That would avoid the mess of having to know when to spawn again.

Well, the problem is the "while". No matter what counter is at the beginning of the act method (1000 at the beginning or 60 every other time), it will be 0 after line 22. And yes, the act method is called around 50-60 times a second when the speed slider is at 50.

THANK YOU the reference is needed for sth. later on but im glad you helped me there this school project was about to stress me out since i have limited time and i needed that rly fast to keep on going with the rest.

The character's direction of movement can be used to determine that. If character had moved up (dy < 0) then any obstacle encountered would be above the character.

I am now trying to make the zombies recognize the objects of the world. I thought about using isTouching like I did for the character except that I don't know what to put after the isTouching for the zombie for it to continue moving. I thought you might