Re: simple game in python?
@dhruv
Here you go. The forum will butcher this if you just copy/paste it because it's choosing to wrap some of the lines. As an alternative, for a runnable file:
https://dl.dropboxusercontent.com/u/356 … inggame.py
yes, I tend to write long lines. The coding of it took 6 minutes exactly, including a quick Google search on the "proper" way to do console input and get it as an int. I've got an audiogame in python, but, well, that doesn't ever use raw_input. The console for me these days is that useful thing I can spit debugging messages to. I didn't include the explanatory comments in that time, and most of that 6 minutes was the quick Google search.
import random #Lets us make random numbers.
min = 1 #the lowest possible correct number.
max = 100#the highest possible correct number.
print "Welcome to the number guessing game."
print "Please enter a number between " + str(min) + " and " + str(max) + "."
#in the above, we chose concatenation because of some implicit spaces.
#Print can also print comma-separated lists of variables, but it puts spaces in for us, so we can't make it look like a sentence.
#thus, the str() which makes things into strings and the +, which gives us a sentence with no extra spaces anywhere.
actual = random.randrange(min, max+1) #calculate our guess. Randrange returns a number between min inclusive and max exclusive, so we add 1 to max here.
guess = None #None is a special value in python-it's kind of like NULL. We don't know what the guess is, so we use it.
while(guess != actual): #comparing None to a number can never be equal. This says continue until the player has guessed the correct number.
try: #this is exception handling. Most of the time, things go right. When they go wrong, give us a chance to handle it.
guess = int(raw_input("Enter a guess: ")) #try to get something from the user and convert it to a string.
#the following lines print info on your guess and are very straight-forward.
if guess < actual:
print "Your guess was too low."
elif guess > actual:
print "Your guess was too high."
elif guess == actual:
print "Congradulations, you win!"
#the one thing that can go wrong in the above is that you didn't input a number, or input something that can't be made into one.
#In this case, everything else in the try gets skipped and python gives us an exception.
#The exception for this is called a ValueError, so when it happens, we say we want to do whatever is here.
#without this, inputting something that is not a number will crash the game.
except ValueError:
print "That is not a number, pleas try again."
#when the right number is entered, we automatically get here and exit because it's the end of the file.@guitarman
I think I'm going to end up doing some sort of game tutorial of some sort in the somewhat near future. The whole 9 yards, etc. This seems to be needed, as the only platform that even tries is BGT, and I'm seeing a lot of interesting design patterns. The thing that keeps popping up over and over is this: the design patterns and practices in use are not reusable, and better options exist. The idea of a while loop and a bunch of if statements that check the keyboard is one option, but really not the best-just that the others are, at first (and only at first!) harder. They require effort to understand, but allow for hard things to be simple: suddenly transitioning to a minigame, having menus that pop up while the game continues playing, having something happen in 5 seconds, etc.
Game_engine abstracts the entire main loop, and gives you the ability to do cool things, but intermediate programming skill is required to understand it and why it is good. Alternatively, I need to put out a tutorial that covers that and Camlorn_audio at the same time, and leaves you with--for example--a really simplistic first-person shooter, or a space invaders, or something, as well as a good understanding of what a callback and event based model gives you.
URL: http://forum.audiogames.net/viewtopic.php?pid=163429#p163429
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