Python clock source code
Without further ado, the code is as follows
# encoding: utf-8
"""
@version: ??
@author:
@file: 时钟.py
@time: 2020/4/9 21:43
"""
import sys, random, math, pygame
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 angle % 360
# main program begins
pygame.init()
screen = pygame.display.set_mode((600, 500))
pygame.display.set_caption('Analog Clock Demo')
font = pygame.font.Font(None, 36)
white = 255, 255, 255
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 one step around the circle
pygame.draw.circle(screen, white, (pos_x, pos_y), radius, 6)
# draw the clock numbers 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, white, (pos_x, pos_y), target, 25)
# 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, white, (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, white, (pos_x, pos_y), target, 6)
# cover 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()
This is the rendering
- It is not easy to play by hand, hope to adopt, if there are defects, please understand
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