i have world "background". I want change the world to "level2". i use
Greenfoot.setWorld(new level2());. it work, the world is changing. but
when i want to add actor in level2, i have error message . "level2 cannot be cast to background"
kill wrote ...
2013/6/2
cannot change the world
It would help if you would post the code around the error.
However, that error means you are trying to cast something to something it shouldn't be cast.
I'm guessing you have the code:
If you're just trying to add an actor, you don't need to cast the world. Use addObject(...)
level2 lvl2 = new level2(); (background)lvl2... //You cannot do this!
i can change the world., but if i want to add actor to this world addObject(new awal(), 20, 20);, it's error. level2 cannot be cast to background. i don't understand what is the meaning cannot cast to background.
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