55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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()
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