Alan, thanks for explaining about passing objects to classes. This is an important concept for me to understand.
I tried running the code, but run into an error that I could not resolve: TypeError: doIt() takes no arguments (1 given). Tonu On Thu, Feb 2, 2012 at 7:09 PM, Alan Gauld <alan.ga...@btinternet.com>wrote: > On 02/02/12 17:36, Tonu Mikk wrote: > > So far I have searched for info on how to pass variables from one class >> to another and have been able to create a small two class program >> (attached). But I seem unable to generalize from here and apply this >> to the game exercise. What would you suggest for me to try next? >> > > Remember that OOP is about creating objects from classes. > You can pass an object to another rather than just the > variables, in fact its preferable! > > Also remember that you can create many objects from one class. > So just because you have one Room class doesn't mean you are > stuck with one room object. You can have many and each can > be connected to another. > > You can get rooms to describe themselves, you can enter a room. > You might even be able to create new rooms or destroy existing ones. These > actions can all be methods of your Room class. > > Here is an example somewhat like yours that passes objects: > > class Printer: > def __init__(self,number=0): > self.value = number > def sayIt(self): > print self.value > > class MyApp: > def __init__(self, aPrinter = None): > if aPrinter == None: # if no object passed create one > aPrinter = Printer() > self.obj = aPrinter # assign object > def doIt() > self.obj.sayIt() # use object > > def test() > p = Printer(42) > a1 MyApp() > a2 = MyApp(p) # pass p object into a2 > a1.doIt() # prints default value = 0 > a2.doIt() # prints 42, the value of p > > test() > > HTH, > > -- > Alan G > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > > ______________________________**_________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/**mailman/listinfo/tutor<http://mail.python.org/mailman/listinfo/tutor> > -- Tonu Mikk Disability Services, Office for Equity and Diversity 612 625-3307 tm...@umn.edu
_______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
