Analog Clock

# coding=utf8
import sys, pygame, math, random
from pygame.locals import *
from datetime import datetime, date, time
  
  
def print_text(font, x, y, text, color=(255,255,255)):
  imgtext = font.render(text, True, color)
  screen.blit(imgtext, (x,y))
  
def wrap_angle(angle):
  return abs(angle%360)
  
# main
pygame.init()
screen = pygame.display.set_mode((600,500))
pygame.display.set_caption("CLOCK")
font = pygame.font.Font(None, 36)
orange = 220,180,0
white = 255,255,255
yellow = 255,255,0
pink = 255,100,100
  
pos_x = 300
pos_y = 250
radius = 250
angle = 360
  
# repeating loop
while True:
  for event in pygame.event.get():
    if event.type == QUIT:
      sys.exit()
  
  keys = pygame.key.get_pressed()
  if keys[K_ESCAPE]:
    sys.exit()
  
  screen.fill((0,0,100))
  
  # draw circle
  pygame.draw.circle(screen, white, (pos_x,pos_y), radius, 6)
  
  # draw the clock number 1-12
  for n in range(1,13):
    angle = math.radians(n*(360/12)-90)#将角度转化成弧度，然后由于度数的起点在圆的正东方向，所以要-90度，表的刻度0点在正北方向
    x = math.cos(angle)*(radius-20)-10#计算x,y的方式 math.cos(angle)*radius -20 -10是用来调节美观的
    y = math.sin(angle)*(radius-20)-10
    print_text(font, pos_x+x, pos_y+y, str(n))
  
  # get the time of day
  today = datetime.today()
  hours = today.hour%12
  minutes = today.minute
  seconds = today.second
  
  # draw the hours hand
  hour_angle = wrap_angle(hours*(360/12)-90)
  hour_angle = math.radians(hour_angle)
  hour_x = math.cos(hour_angle)*(radius-80)
  hour_y = math.sin(hour_angle)*(radius-80)
  target = (pos_x+hour_x, pos_y+hour_y)
  pygame.draw.line(screen, pink, (pos_x,pos_y), target, 12)
  
  # draw the minutes hand
  min_angle = wrap_angle(minutes*(360/60)-90)
  min_angle = math.radians(min_angle)
  min_x = math.cos(min_angle)*(radius-60)
  min_y = math.sin(min_angle)*(radius-60)
  target = (pos_x+min_x, pos_y+min_y)
  pygame.draw.line(screen, orange, (pos_x,pos_y), target, 12)
  
  # draw the seconds hand
  sec_angle = wrap_angle(seconds*(360/60)-90)
  sec_angle = math.radians(sec_angle)
  sec_x = math.cos(sec_angle)*(radius-40)
  sec_y = math.sin(sec_angle)*(radius-40)
  target = (pos_x+sec_x, pos_y+sec_y)
  pygame.draw.line(screen, yellow, (pos_x,pos_y), target, 12)
  
  # draw the center
  pygame.draw.circle(screen, white, (pos_x,pos_y), 20)
  
  print_text(font, 0, 0, str(hours) + ":" + str(minutes) + ":" + str(seconds))
  pygame.display.update()

首先使用datatime模块来获取当天的当前时间的访问

today

每个属性都通过逻辑名称来访问：year,month,day,hour,minute,second,micorsecond