Python-сообщество

if pygame.sprite.groupcollide(bpoint_sprites, rpoint_sprites, 0, True):
        rmoving() # запускаем функцию движения.
        pygame.display.update() # обновляем окно

def rmoving():
    rpoint_sprites.clear(window, bground)
    rpoint.x_dist = random.randint(10,50)
    rpoint.y_dist = random.randint(10,50)
    rpoint.move()
    rpoint_sprites.draw(window)
    pygame.display.update()

import os, sys 
import pygame 
from pygame.locals import *
import random
from helpers import *

pygame.init() 
pygame.key.set_repeat(300, 20)
window = pygame.display.set_mode((640, 480))
pygame.display.flip()
bground = pygame.Surface(window.get_size())
bground = bground.convert()
bground.fill((0,0,0))

class Rpoint(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image, self.rect = load_image('rpoint.png', -1)
        self.rect.move_ip(200, 200)
        self.x_dist = 0
        self.y_dist = 0

    def move(self):
        xMove = 0
        yMove = 0
        if event.type == KEYDOWN:
            if event.key == K_UP:
                
                yMove = -self.y_dist
            if event.key == K_DOWN:
                
                yMove = self.y_dist
            if event.key == K_LEFT:
                xMove = -self.x_dist
                
            if event.key == K_RIGHT:
                xMove = self.x_dist
                
        self.rect.move_ip(xMove, yMove)

class Bpoint(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image, self.rect = load_image('bpoint.png', -1)
        self.rect.move_ip(40, 100)
        self.x_dist = 0
        self.y_dist = 0

    def move(self):
        xMove = 0
        yMove = 0
        if event.type == KEYDOWN:
            if event.key == K_UP:
                
                yMove = -self.y_dist
            if event.key == K_DOWN:
                
                yMove = self.y_dist
            if event.key == K_LEFT:
                xMove = -self.x_dist
                
            if event.key == K_RIGHT:
                xMove = self.x_dist
                
        self.rect.move_ip(xMove, yMove)
       

bpoint = Bpoint()
bpoint_sprites = pygame.sprite.RenderPlain((bpoint))  
bpoint_sprites.draw(window)
pygame.display.flip()

rpoint = Rpoint()
rpoint_sprites = pygame.sprite.RenderPlain((rpoint))  
rpoint_sprites.draw(window)
pygame.display.flip()

def bmoving():
    bpoint_sprites.clear(window, bground)
    bpoint.x_dist = random.randint(10,50)
    bpoint.y_dist = random.randint(10,50)
    bpoint.move()
    bpoint_sprites.draw(window)
    pygame.display.update()
                
def rmoving():
    rpoint_sprites.clear(window, bground)
    rpoint.x_dist = random.randint(10,50)
    rpoint.y_dist = random.randint(10,50)
    rpoint.move()
    rpoint_sprites.draw(window)
    pygame.display.update()
    
while 1:
    for event in pygame.event.get():
        if event.type == QUIT: 
            sys.exit() 
        if event.type == KEYDOWN:
            if event.key == K_UP:
                bmoving()
                #rmoving()
            if event.key == K_DOWN:
                bmoving()
                #rmoving()
            if event.key == K_LEFT:
                bmoving()
                #rmoving()
            if event.key == K_RIGHT:
                bmoving()
                #rmoving()
    if pygame.sprite.groupcollide(bpoint_sprites, rpoint_sprites, 0, True):
        rmoving()
        pygame.display.update()