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Viewing changes to Demo/tkinter/matt/pong-demo-1.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-02-13 12:51:00 UTC
  • Revision ID: james.westby@ubuntu.com-20090213125100-uufgcb9yeqzujpqw
Tags: upstream-2.6.1
Import upstream version 2.6.1

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Demo/tkinter/matt/pong-demo-1.py
 
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from Tkinter import *
 
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import string
 
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class Pong(Frame):
 
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    def createWidgets(self):
 
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        self.QUIT = Button(self, text='QUIT', foreground='red',
 
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                           command=self.quit)
 
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        self.QUIT.pack(side=LEFT, fill=BOTH)
 
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        ## The playing field
 
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        self.draw = Canvas(self, width="5i", height="5i")
 
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        ## The speed control for the ball
 
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        self.speed = Scale(self, orient=HORIZONTAL, label="ball speed",
 
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                           from_=-100, to=100)
 
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        self.speed.pack(side=BOTTOM, fill=X)
 
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        # The ball
 
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        self.ball = self.draw.create_oval("0i", "0i", "0.10i", "0.10i",
 
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                                          fill="red")
 
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        self.x = 0.05
 
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        self.y = 0.05
 
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        self.velocity_x = 0.3
 
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        self.velocity_y = 0.5
 
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        self.draw.pack(side=LEFT)
 
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    def moveBall(self, *args):
 
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        if (self.x > 5.0) or (self.x < 0.0):
 
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            self.velocity_x = -1.0 * self.velocity_x
 
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        if (self.y > 5.0) or (self.y < 0.0):
 
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            self.velocity_y = -1.0 * self.velocity_y
 
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        deltax = (self.velocity_x * self.speed.get() / 100.0)
 
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        deltay = (self.velocity_y * self.speed.get() / 100.0)
 
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        self.x = self.x + deltax
 
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        self.y = self.y + deltay
 
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        self.draw.move(self.ball,  "%ri" % deltax, "%ri" % deltay)
 
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        self.after(10, self.moveBall)
 
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    def __init__(self, master=None):
 
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        Frame.__init__(self, master)
 
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        Pack.config(self)
 
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        self.createWidgets()
 
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        self.after(10, self.moveBall)
 
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game = Pong()
 
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game.mainloop()