Das deutsche Python-Forum

Code: Alles auswählen

from Tkinter import *
from threading import *
from time import *
from random import *

class Weltraum:
    def __init__(self):
        #seed() # from random
        self.fenster = Tk()
        self.canvas = Canvas(self.fenster, width = '10c', height = '7c', bg = 'black')
        self.canvas.pack()
        m1 = 'E:/Wissenschaft/Projekt/Telnet/PythonTests/met1k1.gif'
        m2 = 'E:/Wissenschaft/Projekt/Telnet/PythonTests/met2k1.gif'
        for bild in [m1, m2, m2, m1, m2, m1, m2]:
            Meteor(self, bild)
        self.fenster.mainloop()

class Meteor(Thread):
    def __init__(self, weltraum, bilddatei):
        Thread.__init__(self)
        self.w = weltraum
        self.c = weltraum.canvas
        self.bild = PhotoImage(file=bilddatei)
        self.id = self.c.create_image(50, -50, image = self.bild)
        self.__neustart()
        self.start()

    def __neustart(self):
        self.c.coords(self.id, randint(0, 250), -randint(30, 100))
        self.vx = randint(-2, +2)
        self.vy = randint(1, 3)

    def run(self):
        while 1:
            sleep(0.05)
            self.c.move(self.id, self.vx, self.vy)
            if self.c.coords(self.id)[1] > 300:
                self.__neustart()

def main():
    w = Weltraum()

if __name__ == '__main__':
    main()

Code: Alles auswählen

#!/usr/bin/env python
from __future__ import absolute_import, division, print_function

import Tkinter as tk
from random import randint


class Meteor(object):

    def __init__(self, canvas, image):
        self.canvas = canvas
        self.image = image
        self.image_id = self.canvas.create_image(0, 0, image=self.image)
        self.x_velocity = 0
        self.y_velocity = 0
        self.randomize()

    def randomize(self):
        self.canvas.coords(self.image_id, randint(0, 250), -randint(30, 100))
        self.x_velocity = randint(-2, 2)
        self.y_velocity = randint(1, 3)

    def run(self):
        self.canvas.move(self.image_id, self.x_velocity, self.y_velocity)
        if self.canvas.coords(self.image_id)[1] > 300:
            self.randomize()
        self.canvas.after(50, self.run)


def main():
    root = tk.Tk()
    canvas = tk.Canvas(root, width='10c', height='7c', background='black')
    canvas.pack()
    image_a, image_b = (
        tk.PhotoImage(filename) for filename in ['meteor_a.gif', 'meteor_b.gif']
    )
    meteors = [Meteor(canvas, image) for image in [image_a] * 3 + [image_b] * 4]
    for meteor in meteors:
        meteor.run()
    root.mainloop()


if __name__ == '__main__':
    main()