python完成pie小游戏

【核心代码】

import math
import pygame, sys
from pygame.locals import *
pygame.init()

screen = pygame.display.set_mode((600, 500))
pygame.display.set_caption("The Pie Game - Press 1, 2, 3, 4")
myfont = pygame.font.Font(None, 60)

color = 200, 80, 60
width = 4
x = 300
y = 250
radius = 200
position = x - radius, y - radius, radius * 2, radius * 2

piece1 = False
piece2 = False
piece3 = False
piece4 = False

while True:
 for event in pygame.event.get():
  if event.type == QUIT:
   sys.exit()
  elif event.type == KEYUP:
   if event.key == pygame.K_ESCAPE:
    sys.exit()
   elif event.key == pygame.K_1:
    piece1 = True
   elif event.key == pygame.K_2:
    piece2 = True
   elif event.key == pygame.K_3:
    piece3 = True
   elif event.key == pygame.K_4:
    piece4 = True

 screen.fill((0, 0, 200))

 textImg1 = myfont.render("1", True, color)
 screen.blit(textImg1, (x radius / 2-20, y - radius / 2))
 textImg2 = myfont.render("2", True, color)
 screen.blit(textImg2, (x - radius / 2, y - radius / 2))
 textImg3 = myfont.render("3", True, color)
 screen.blit(textImg3, (x - radius / 2, y radius / 2-20))
 textImg4 = myfont.render("4", True, color)
 screen.blit(textImg4, (x radius / 2-20, y radius / 2-20))

 if piece1:
  start_angle = math.radians(0)
  end_angle = math.radians(90)
  pygame.draw.arc(screen, color, position, start_angle, end_angle, width)
  pygame.draw.line(screen, color, (x, y), (x , y-radius), width)
  pygame.draw.line(screen, color, (x, y), (x-radius, y), width)

 if piece2:
  start_angle = math.radians(90)
  end_angle = math.radians(180)
  pygame.draw.arc(screen, color, position, start_angle, end_angle, width)
  pygame.draw.line(screen, color, (x, y), (x, y - radius), width)
  pygame.draw.line(screen, color, (x, y), (x - radius, y), width)
 
 if piece3:
  start_angle = math.radians(180)
  end_angle = math.radians(270)
  pygame.draw.arc(screen, color, position, start_angle, end_angle, width)
  pygame.draw.line(screen, color, (x, y), (x - radius, y), width)
  pygame.draw.line(screen, color, (x, y), (x, y radius), width)

 if piece4:
  start_angle = math.radians(270)
  end_angle = math.radians(360)
  pygame.draw.arc(screen, color, position, start_angle, end_angle, width)
  pygame.draw.line(screen, color, (x, y), (x-radius, y), width)
  pygame.draw.line(screen, color, (x, y), (x, y radius), width)

 if piece1 and piece2 and piece3 and piece4:
  color = 0, 255, 0

 pygame.display.update()