ах

from tkinter import *
from random import randrange as rnd, choice

root = Tk()
root.geometry('600x600+100+100')
canv = Canvas(bg='white')
canv.pack(fill=BOTH,expand=1)


class Ball():
    def __init__(self,x,y):
        self.x = x
        self.y = y
        self.r = 12
        self.vx = 0
        self.vy = 5
        self.color = 'orange'
        self.id = canv.create_oval(self.x-self.r,self.y-self.r,self.x+self.r,self.y+self.r, fill= self.color, width = 0)
        self.update()


    def update(self):
        canv.coords(self.id,self.x-self.r,self.y-self.r,self.x+self.r,self.y+self.r)
        self.x += self.vx
        self.y += self.vy
        if self.x >= 550 or self.x <= 50:
            self.vx *= -1

        if self.y > 600:
            goal('down')

        if self.y < 0:
            goal('up')

        if p_down.x <= self.x <= p_down.x + p_down.w and p_down.y <= self.y-self.r <= p_down.y + p_down.h:
            self.vy *= -1
        if p_up.x <= self.x <= p_up.x + p_up.w and p_up.y <= self.y+self.r <= p_up.y + p_up.h:
            self.vy *= -1


        root.after(30,self.update)

class Platform():
    def __init__(self,y):
        self.y = y
        self.h = 20
        self.w = 80
        self.x = 300-self.w/2
        self.vx = 0
        self.points = 0
        self.id = canv.create_rectangle(self.x,self.y,self.x+self.w,self.y+self.h,fill = 'green')
        self.update()

    def update(self):
        self.x += self.vx
        self.vx *= 0.8
        canv.coords(self.id,self.x,self.y,self.x+self.w,self.y+self.h)
        root.after(30,self.update)

def goal(side):
    global mode

    if side == 'up':
        p_down.points += 1
    else:
        p_up.points += 1
    mode = 'goal_'+side
    j.vx = 0
    j.vy = 0
    j.x = 300
    j.y = 300


    canv.delete('points')
    canv.create_text(300,200,text=p_up.points, font = 'Tahoma 40', tag = 'points')
    canv.create_text(300,400,text=p_down.points, font = 'Tahoma 40', tag = 'points')

def keyDown(event):
    #print(event.keycode)
    keys.add(event.keycode)

def keyUp(event):
    keys.remove(event.keycode)


def update():
    if 65 in keys:
        p_up.vx = -5
    if 68 in keys:
        p_up.vx = 5

    if 37 in keys:
        p_down.vx = -5
    if 39 in keys:
        p_down.vx = 5

    if 32 in keys and 'goal' in mode:
        if 'up' in mode:
            j.vy = 5
        if 'down' in mode:
            j.vy = -5


    root.after(30,update)


keys = set()
p_up = Platform(50)
p_down = Platform(550)
j = Ball(300,300)
update()

root.bind('<Key>',keyDown)
root.bind('<KeyRelease>',keyUp)


mainloop()