Code Formula 2014 本選 F問題 ビジュアライザ

draw.py

import pygame
from pygame.locals import *
import sys

ssize=(750,750)
pygame.init()
screen=pygame.display.set_mode(ssize)
rs=[]
while True:
    screen.fill((255,255,255))
    pygame.display.update()
    nowr=100-len(rs)
    x,y=pygame.mouse.get_pos()
    pygame.draw.circle(screen,(0,0,0),(x,y),max(1,nowr/2),1)
    for i in range(len(rs)):
        pygame.draw.circle(screen,(255,0,0),rs[i],max(1,(100-i)/2),1)
    pygame.display.update()
    for event in pygame.event.get():
        if event.type==MOUSEBUTTONDOWN:
            if event.button==1:
                rs.append(event.pos)
                x,y=event.pos
                print x*2,y*2,100-len(rs)+1
            if event.button==2:
                rs.pop
        if event.type==QUIT:
            rs.reverse()
            for x,y in rs:
                print x*2,y*2
            sys.exit()