游戏说明：（macOS平台下开发调试）游戏视频
点击屏幕中间的Play按钮。屏幕顶部产生下落的随机字母，敲击键盘上相应的键对应字母消失。字母生成和坠落的速度随着时间由慢变快，难度逐渐增大。坠落到屏幕最下方的字母超过十个，游戏结束。
游戏设置了记分系统，敲对一个键记50分，敲错扣50分。游戏最高分和当前得分分别显示在顶端中间和右边。
另外还添加了背景音乐，敲对、敲错以及字母下落到底部的时候有不同的音效。
由于时间仓促，没有添加注释，这是程序的缺陷。如果以后有时间，会补充完善。
程序用到的字母图案和声音文件无法上传展示。
东抄西问的成果，感谢提供帮助的人。
1. alphabet_zoo.py
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import pygame
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import time
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from pygame.locals
import *
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from settings
import Settings
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import game_functions
as gf
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from game_stats
import GameStats
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from button
import Button
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from scoreboard
import Scoreboard
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-
-
def run_game():
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pygame.init()
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az_settings = Settings()
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screen = pygame.display.set_mode((
1600,
900))
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pygame.display.set_caption(
"Alphabet Zoo")
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play_button = Button(screen,
"Play")
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stats = GameStats(az_settings)
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sb = Scoreboard(az_settings, screen, stats)
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letters = pygame.sprite.Group()
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start = time.time()
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sleeptime = az_settings.letter_generating_factor
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pygame.mixer.init()
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bg_image1 = pygame.image.load(
'bg_image.jpg')
-
-
while
True:
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screen.blit(bg_image1, (
0,
0))
-
with open(
'high_score.txt')
as file_object:
-
stats.high_score = int(file_object.read())
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sb.prep_high_score()
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now = time.time()
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gf.check_events(az_settings, letters, stats, sb, play_button, screen)
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if stats.game_active:
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gf.update_screen(az_settings, stats, screen, letters, sb, play_button)
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if now - start > sleeptime:
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gf.letter_generator(stats, az_settings, screen, letters)
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start = now
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else:
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gf.update_screen(az_settings, stats, screen, letters, sb, play_button)
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pygame.mixer.music.stop()
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-
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run_game()
2. game_functions.py
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import sys
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import pygame
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from letter
import Letter
-
-
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def letter_generator(stats, az_settings, screen, letters):
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if stats.lives_left >
0:
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new_letter = Letter(az_settings, screen)
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letters.add(new_letter)
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else:
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letters.empty()
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stats.game_active =
False
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pygame.mouse.set_visible(
True)
-
-
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def check_events(az_settings, letters, stats, sb, play_button, screen):
-
screen_rect = screen.get_rect()
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for event
in pygame.event.get():
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if event.type == pygame.QUIT:
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sys.exit()
-
-
elif event.type == pygame.MOUSEBUTTONDOWN:
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mouse_x, mouse_y = pygame.mouse.get_pos()
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check_play_button(az_settings, stats, play_button, mouse_x, mouse_y, sb)
-
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elif event.type == pygame.KEYDOWN:
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for ltr
in letters:
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if ltr.ascii == event.key
and ltr.rect.bottom < screen_rect.bottom:
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s1 = pygame.mixer.Sound(
"hit.wav")
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s1.play()
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stats.score += az_settings.letter_points
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sb.prep_score()
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check_high_score(stats, sb)
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letters.remove(ltr)
-
elif ltr.ascii != event.key
and ltr.rect.bottom < screen_rect.bottom
and stats.score >
0:
-
s2 = pygame.mixer.Sound(
"wrong_hit.wav")
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s2.play()
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stats.score -= az_settings.letter_points
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sb.prep_score()
-
-
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def check_play_button(az_settings, stats, play_button, mouse_x, mouse_y, sb):
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button_clicked = play_button.rect.collidepoint(mouse_x, mouse_y)
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if button_clicked
and
not stats.game_active:
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stats.reset_stats()
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sb.prep_score()
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az_settings.initialize_dynamic_settings()
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pygame.mouse.set_visible(
False)
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stats.game_active =
True
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pygame.mixer.music.load(
"bg_music.mp3")
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pygame.mixer.music.play(
-1)
-
-
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def letter_fallen(stats):
-
if stats.lives_left >
0:
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stats.lives_left -=
1
-
-
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def check_letter_bottom(screen, letters, stats):
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screen_rect = screen.get_rect()
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for ltr
in letters.sprites():
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if ltr.rect.bottom > screen_rect.bottom:
-
s3 = pygame.mixer.Sound(
"oops.wav")
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s3.play()
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ltr.rect.bottom = screen_rect.bottom
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letter_fallen(stats)
-
-
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def update_screen(az_settings, stats, screen, letters, sb, play_button):
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check_letter_bottom(screen, letters, stats)
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letters.draw(screen)
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letters.update()
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sb.show_score()
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if
not stats.game_active:
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play_button.draw_button()
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az_settings.increase_speed()
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pygame.display.flip()
-
-
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def check_high_score(stats, sb):
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if stats.score > stats.high_score:
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stats.high_score = stats.score
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with open(
'high_score.txt',
'w')
as file_object:
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file_object.write(str(stats.high_score))
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sb.prep_high_score()
3. button.py
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import pygame.font
-
-
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class Button:
-
-
def __init__(self, screen, msg):
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self.screen = screen
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self.screen_rect = screen.get_rect()
-
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self.width, self.height =
200,
50
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self.button_color = (
254,
184,
38)
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self.text_color = (
255,
255,
255)
-
self.font = pygame.font.SysFont(
None,
48)
-
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self.rect = pygame.Rect(
0,
0, self.width, self.height)
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self.rect.center = self.screen_rect.center
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self.prep_msg(msg)
-
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def prep_msg(self, msg):
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self.msg_image = self.font.render(msg,
True, self.text_color,
-
self.button_color)
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self.msg_image_rect = self.msg_image.get_rect()
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self.msg_image_rect.center = self.rect.center
-
-
def draw_button(self):
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self.screen.fill(self.button_color, self.rect)
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self.screen.blit(self.msg_image, self.msg_image_rect)
4. game_stats.py
-
class GameStats:
-
def __init__(self, az_settings):
-
self.az_settings = az_settings
-
self.reset_stats()
-
self.game_active =
False
-
self.high_score =
0
-
-
def reset_stats(self):
-
self.lives_left = self.az_settings.lives_limit
-
self.score =
0
5. scoreboard.py
-
import pygame.font
-
-
-
class Scoreboard:
-
def __init__(self, az_settings, screen, stats):
-
self.screen = screen
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self.screen_rect = screen.get_rect()
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self.az_settings = az_settings
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self.stats = stats
-
-
self.text_color = (
255,
255,
255)
-
self.font = pygame.font.SysFont(
None,
48)
-
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self.prep_score()
-
self.prep_high_score()
-
-
def prep_score(self):
-
score_str =
'Current Score:' +
"{:,}".format(self.stats.score)
-
self.score_image = self.font.render(score_str,
True, self.text_color,
-
(
14,
111,
108))
-
-
self.score_rect = self.score_image.get_rect()
-
self.score_rect.right = self.screen_rect.right -
20
-
self.score_rect.top =
20
-
-
def show_score(self):
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self.screen.blit(self.score_image, self.score_rect)
-
self.screen.blit(self.high_score_image, self.high_score_rect)
-
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def prep_high_score(self):
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high_score_str =
'Highest Score: ' +
"{:,}".format(self.stats.high_score)
-
self.high_score_image = self.font.render(high_score_str,
True,
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self.text_color, (
14,
111,
108))
-
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self.high_score_rect = self.high_score_image.get_rect()
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self.high_score_rect.centerx = self.screen_rect.centerx
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self.high_score_rect.top = self.score_rect.top
6. letter.py
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import pygame
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import random
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from pygame.sprite
import Sprite
-
-
-
class Letter(Sprite):
-
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def __init__(self, az_settings, screen):
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super().__init__()
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self.screen = screen
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self.az_settings = az_settings
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a = random.randint(
97,
122)
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c = chr(a)
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self.image = pygame.image.load(
'images/' + c.upper() +
'.png')
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self.ascii = a
-
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self.rect = self.image.get_rect()
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self.screen_rect = screen.get_rect()
-
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self.rect.centerx = random.randint(
100, self.screen_rect.right -
100)
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self.rect.top = self.screen_rect.top
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self.center = float(self.rect.centerx)
-
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def update(self):
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if self.rect.bottom < self.screen_rect.bottom:
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self.rect.centery += self.az_settings.letter_speed_factor
7. settings.py
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class Settings:
-
def __init__(self):
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self.falling_speed_increment =
0.01
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self.letter_generating_increment =
0.1
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self.lives_limit =
10
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self.initialize_dynamic_settings()
-
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def initialize_dynamic_settings(self):
-
self.letter_speed_factor =
5
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self.letter_generating_factor =
3
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self.letter_points =
50
-
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def increase_speed(self):
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self.letter_speed_factor += self.falling_speed_increment
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self.letter_generating_factor -= self.letter_generating_increment
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转载：https://blog.csdn.net/wokaoyan1981/article/details/108909486
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