diff options
Diffstat (limited to 'Demo/tkinter/guido/electrons.py')
| -rwxr-xr-x | Demo/tkinter/guido/electrons.py | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/Demo/tkinter/guido/electrons.py b/Demo/tkinter/guido/electrons.py index e1fe1cb..97dad2d7 100755 --- a/Demo/tkinter/guido/electrons.py +++ b/Demo/tkinter/guido/electrons.py @@ -5,14 +5,14 @@ # # Usage: electrons [n [bitmapfile]] # -# n is the number of electrons to animate; default is 4, maximum 15. +# n is the number of electrons to animate; default is 30. # # The bitmap file can be any X11 bitmap file (look in # /usr/include/X11/bitmaps for samples); it is displayed as the # background of the animation. Default is no bitmap. -# This uses Steen Lumholt's Tk interface from Tkinter import * +import random # The graphical interface @@ -32,25 +32,23 @@ class Electrons: bitmap=bitmap, foreground='blue') - self.pieces = {} + self.pieces = [] x1, y1, x2, y2 = 10,70,14,74 - for i in range(n,0,-1): + for i in range(n): p = c.create_oval(x1, y1, x2, y2, fill='red') - self.pieces[i] = p + self.pieces.append(p) y1, y2 = y1 +2, y2 + 2 self.tk.update() - def random_move(self,n): - import random + def random_move(self, n): c = self.canvas - for i in range(1,n+1): - p = self.pieces[i] + for p in self.pieces: x = random.choice(range(-2,4)) y = random.choice(range(-3,4)) c.move(p, x, y) self.tk.update() - # Run -- never returns + # Run -- allow 500 movemens def run(self): try: for i in range(500): @@ -66,7 +64,7 @@ class Electrons: def main(): import sys, string - # First argument is number of pegs, default 4 + # First argument is number of electrons, default 30 if sys.argv[1:]: n = string.atoi(sys.argv[1]) else: @@ -91,5 +89,3 @@ def main(): # Call main when run as script if __name__ == '__main__': main() - - |