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- from Tkinter import *
-
- import string
-
-
- class Pong(Frame):
- def createWidgets(self):
- self.QUIT = Button(self, {'text': 'QUIT',
- 'fg': 'red',
- 'command': self.quit})
- self.QUIT.pack({'side': 'left', 'fill': 'both'})
-
- ## The playing field
- self.draw = Canvas(self, {"width" : "5i", "height" : "5i"})
-
- ## The speed control for the ball
- self.speed = Scale(self, {"orient": "horiz",
- "label" : "ball speed",
- "from" : -100,
- "to" : 100})
-
- self.speed.pack({'side': 'bottom', "fill" : "x"})
-
- # The ball
- self.ball = self.draw.create_oval("0i", "0i", "0.10i", "0.10i", {"fill" : "red"})
- self.x = 0.05
- self.y = 0.05
- self.velocity_x = 0.3
- self.velocity_y = 0.5
-
- self.draw.pack({'side': 'left'})
-
-
- def moveBall(self, *args):
- if (self.x > 5.0) or (self.x < 0.0):
- self.velocity_x = -1.0 * self.velocity_x
- if (self.y > 5.0) or (self.y < 0.0):
- self.velocity_y = -1.0 * self.velocity_y
-
- deltax = (self.velocity_x * self.speed.get() / 100.0)
- deltay = (self.velocity_y * self.speed.get() / 100.0)
- self.x = self.x + deltax
- self.y = self.y + deltay
-
- self.draw.move(self.ball, `deltax` + "i", `deltay` + "i")
- self.after(10, self.moveBall)
-
-
-
- def __init__(self, master=None):
- Frame.__init__(self, master)
- Pack.config(self)
- self.createWidgets()
- self.after(10, self.moveBall)
-
-
- game = Pong()
-
- game.mainloop()
-