#!/bin/python
import pygame, sys
import random
import math
WHITE = (255, 255, 255)
pygame.init()
sc = pygame.display.set_mode((500, 500))
pygame.display.set_caption("Лапа на pygame")
clock = pygame.time.Clock()
pygame.time.set_timer(pygame.USEREVENT, 1000)
sc.fill((125,125,125))
x1 = random.randint(50,500)
y1 = random.randint(50,500)
x2 = random.randint(50,500)
y2 = random.randint(50,500)
state = 0
while True:
   
   for event in pygame.event.get():
      if event.type == pygame.QUIT:
         pygame.quit()
         sys.exit()
      if event.type == pygame.USEREVENT:
       state = state + 1
       if state == 1:      
        x1 = random.randint(50,500)
        y1 = random.randint(50,500)
        pygame.draw.line(sc, WHITE, [x1, y1], [x2, y2], 3)
       if state == 2:
         x2 = random.randint(50,500)
         y2 = random.randint(50,500)
         pygame.draw.line(sc, WHITE, [x2, y2], [x1, y1], 3)
         state = 0
   
   pygame.display.flip()