下面我们一起用pygame编写一个打字测速游戏
这是一个很实用的有趣的小游戏：
开始之前先来学习几个小函数：
1、 ord(ch)
python内置函数，传入一个字符，返回字符的ascii码
2、chr(num)
python内置函数，传入一个十进制或十六进制，返回ascii码对应的字符
3、os.path.getsize(filename)
传入文件路径，返回文件大小，返回0为空文件
4、pygame.key.get_pressed()
返回一个记录按键事件的字典，字典中的键为按键类型，字典中的值为bool中的True或者False、
例如：
keys = pygame.key.get_pressed() if keys[K_RETURN]:
print("按了回车键")
下面是我们的代码
我们将全部代码写在多个.py文件中，最后通过主程序引入各个子程序，这样做可以让我们编写程序逻辑更清晰，有助于修改调整程序。
游戏主程序
import pygame
import sys
import time
from random import randint from settings import Setting
from displayboard import Displayboard
import functions as fun pygame.init() my_settings = Setting() screen = pygame.display.set_mode((my_settings.screen_width,
my_settings.screen_high))
pygame.display.set_caption("Test Your Typing") dis_board = Displayboard(my_settings, screen) #标志变量
letter_ascii = randint(97, 122)
letter = chr(letter_ascii - 32)
game_active = False
scores = 0
speed = 0
timing = False
remaining_time = my_settings.limited_time
fastest_speed = int (fun.read_fastest_speed(my_settings.filename)) while True:
'''游戏的主循环'''
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
sys.exit() keys = pygame.key.get_pressed()
if keys[pygame.K_RETURN] and not game_active:
scores = 0
remaining_time = my_settings.limited_time
game_active = True
timing = True #开始计时
if timing:
start_time = time.perf_counter()
timing = False #填充界面
screen.fill(my_settings.BLUE) #显示文本图像
dis_board.display_speed_text(speed) dis_board.display_fastest_text(fastest_speed) #游戏还未开始时执行的操作
if not game_active: pygame.mouse.set_visible(True) dis_board.display_top_text() dis_board.display_start_text() #游戏进行时执行的操作
if game_active: pygame.mouse.set_visible(False) dis_board.display_letter_text(letter) dis_board.display_remaining_time_text(remaining_time) if event.type == pygame.KEYDOWN:
dis_board.display_typing_text() if event.key == letter_ascii:
scores += 1
letter_ascii = randint(97, 122)
letter = chr(letter_ascii - 32) speed = scores * 3 current_time = time.perf_counter()
remaining_time = int (my_settings.limited_time - (current_time - start_time))
if remaining_time < 0:
game_active = False if speed >= fastest_speed:
fastest_speed = speed
fun.write_fastest_speed(speed, my_settings.filename) pygame.display.flip()
存放游戏设置的程序
class Setting():
'''存放游戏中的设置''' def __init__(self): #屏幕尺寸
self.screen_width = 700
self.screen_high = 550
#字体大小
self.s_font_size = 24
self.m_font_size = 35
self.l_font_size = 200
#按钮尺寸
self.button_width = 100
self.button_high = 35
#测试时间
self.limited_time = 20 #颜色
self.YELLOW = (255, 255, 0)
self.WHITE = (255, 255, 255)
self.BLACK = ( 0, 0, 0)
self.RED = (255, 0, 0)
self.GREEN = ( 0, 255, 0)
self.DARKGREEN = ( 0, 155, 0)
self.DARKGRAY = ( 40, 40, 40)
self.OLIVE = (128, 128, 0)
self.BLUE = ( 0, 0, 255)
self.NAVYBLUE = ( 0, 0, 128) #位置
self.top_text_position = (20, 20)
self.speed_text_position = (20, 100) #文本内容
self.top_text = "Try to keep up " + str(self.limited_time) + " seconds!"
self.start_text = "Please Enter To Start!" #文件名
self.filename = r'flies\speed.txt'
存放主程序函数的程序
import os def read_fastest_speed(speed_file):
file_size = os.path.getsize(speed_file)
if file_size == 0:
return 0
else:
with open(speed_file) as speed_file:
lines = speed_file.readlines()
return lines[0] def write_fastest_speed(speed, speed_file):
with open(speed_file) as file:
file.write(str(speed))
显示文本的程序
import pygame class Displayboard():
'''展示程序中的文本''' def __init__(self, my_settings, screen): self.screen = screen
self.my_settings = my_settings
self.screen_rect = screen.get_rect() #获取字体对象
self.s_font = pygame.font.Font(r'fonts\freesansbold.ttf',
my_settings.s_font_size)
self.m_font = pygame.font.Font(r'fonts\freesansbold.ttf',
my_settings.m_font_size)
self.l_font = pygame.font.Font(r'fonts\freesansbold.ttf',
my_settings.l_font_size) #获取文本图片
self.top_text_image = self.s_font.render(my_settings.top_text, True,
my_settings.YELLOW) self.typing_flag_image = self.s_font.render("typing!", True,
my_settings.DARKGRAY) self.start_text_image = self.m_font.render(my_settings.start_text, True,
my_settings.GREEN, my_settings.OLIVE) #获取surface的rect
self.start_image_rect = self.start_text_image.get_rect()
self.start_image_rect.center = self.screen_rect.center self.typing_image_rect = self.typing_flag_image.get_rect()
self.typing_image_rect.right = self.screen_rect.right - 20
self.typing_image_rect.top = 20 #显示各个文本的函数
def display_top_text(self):
self.screen.blit(self.top_text_image,
self.my_settings.top_text_position) def display_typing_text(self):
self.screen.blit(self.typing_flag_image, self.typing_image_rect) def display_start_text(self):
self.screen.blit(self.start_text_image, self.start_image_rect) def display_speed_text(self, speed):
speed_text_image = self.s_font.render("Current Speed: " + str(speed) + " letters/min",
True, self.my_settings.YELLOW)
speed_text_rect = speed_text_image.get_rect()
speed_text_rect.centery = self.screen_rect.centery / 2
speed_text_rect.right = self.screen_rect.right - 20
self.screen.blit(speed_text_image, speed_text_rect) def display_letter_text(self, letter):
letter_text_image = self.l_font.render(letter, True,
self.my_settings.RED)
letter_rect = letter_text_image.get_rect()
letter_rect.centerx = self.screen_rect.centerx
letter_rect.centery = self.screen_rect.bottom * 2 / 3
self.screen.blit(letter_text_image, letter_rect) def display_remaining_time_text(self, remaining_time):
remaining_time_image = self.s_font.render("Remaining Time: " + str(remaining_time),
True, self.my_settings.OLIVE)
remaining_time_rect = remaining_time_image.get_rect()
remaining_time_rect.top = self.screen_rect.top + 20
remaining_time_rect.centerx = self.screen_rect.centerx
self.screen.blit(remaining_time_image, remaining_time_rect) def display_fastest_text(self, fastest_speed):
fastest_speed_image = self.s_font.render("Fastest Speed: " + str(fastest_speed),
True, self.my_settings.YELLOW)
fastest_speed_rect = fastest_speed_image.get_rect()
fastest_speed_rect.centery = self.screen_rect.centery / 2
fastest_speed_rect.left = 20
self.screen.blit(fastest_speed_image, fastest_speed_rect)