简单图形界面

import pygame
import sys
import math
from pygame.locals import *

pygame.init()
WHITE = (255,255,255)
BLACK = (0,0,0)
GREEN = (0,255,0)
points= (100,100)
RED = (255,0,0)
BLUE = (0,0,255)

size = width,height = 640,400
screen = pygame.display.set_mode(size)
pygame.display.set_caption("Hello!")
points= [(200,75),(300,25),(400,75),(450,25),(450,125),(400,75),(300,125)]
position = size[0] //2,size[1]//2

clock = pygame.time.Clock()
moving = False

while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            sys.exit()

        if event.type == MOUSEBUTTONDOWN:
            if event.button == 1:
                moving = True
        if event.type == MOUSEBUTTONUP:
            if event.button == 1:
                moving = False

    if moving:
        position = pygame.mouse.get_pos()
        
                
    screen.fill(WHITE)
    pygame.draw.rect(screen,BLACK,(50,50,150,50),0)  #矩形
     pygame.draw.polygon(screen,GREEN,points,0)     #鱼
    pygame.draw.circle(screen,RED,position,25,1)    #园
    pygame.draw.ellipse(screen,BLACK,(100,100,440,100),1)#椭圆
    pygame.draw.ellipse(screen,BLACK,(220,50,200,200),1)#圆
    pygame.draw.arc(screen,BLACK,(100,100,440,100),0,math.pi,1) #一条线
    pygame.draw.aaline(screen,BLACK,(100,250),(540,300),1)      #一条斜线
    pygame.draw.arc(screen,BLACK,(220,50,200,200),math.pi,math.pi*2,1)
    pygame.draw.circle(screen,GREEN,position,75,1)
    pygame.draw.circle(screen,BLUE,position,125,1)
    pygame.display.flip()
    clock.tick(100)