# -*- coding: utf-8 -*-
import tkinter
import random

# constants
WIDTH = 640
HEIGHT = 480
BG_COLOR = 'white'


class Ball():
    def __init__(self, x, y, r, color, dx = 0, dy = 0):
        self.x = x
        self.y = y
        self.r = r
        self.color = color
        self.dx = dx
        self.dy = dy

    def draw(self):
        canvas.create_oval(self.x - self.r, self.y - self.r,  self.x + self.r, self.y + self.r, fill = self.color, outline = self.color)


# mouse_events
def mouse_click(event):
    global main_ball
    main_ball = Ball(event.x, event.y, 30, "blue")
    main_ball.draw()


#Окно игры
root = tkinter.Tk()
root.title("Война пончиков") #имя окошка
canvas = tkinter.Canvas(root, width = WIDTH, height = HEIGHT, bg = BG_COLOR)
canvas.bind('<Button-1>', mouse_click)
canvas.pack()
root.mainloop()