class PlaneWar(object):
"""飞机大战"""
READY = 0
PLAYING = 1
OVER = 2
status = READY
our_plane = None
frame = 0 #设置帧数
small_enemies = pygame.sprite.Group()
enemies = pygame.sprite.Group()
#游戏结果
rest = PlayRest()
def __init__(self):
#初始化游戏
pygame.init()
self.width, self.height = 480, 852
self.screen = pygame.display.set_mode((self.width, self.height))
# 设置窗口标题
pygame.display.set_caption("飞机大战")
# 加载背景
self.bg = pygame.image.load(constants.BG_IMG)
self.bg_over = pygame.image.load(constants.BG_IMG_OVER)
# 游戏标题
self.img_game_title = pygame.image.load(constants.IMG_GAME_TITLE)
self.img_game_title_rect = self.img_game_title.get_rect() # 获取图片位置对象
t_width, t_height = self.img_game_title.get_size() # 获取图片宽度和高度
self.img_game_title_rect.topleft = (int(
(self.width - t_width) / 2), int(self.height / 2 - t_height)
) # 设置图片的位置
# 开始按钮,
self.btn_start = pygame.image.load(constants.IMG_GAME_START_BTN)
self.btn_start_rect = self.btn_start.get_rect()
btn_width, btn_height = self.btn_start.get_size()
self.btn_start_rect.topleft = (int(
(self.width - btn_width) / 2), int(self.height / 2 + btn_height)
) # 设置图片的位置
#游戏文字对象
self.score_font = pygame.font.SysFont('华文隶书', 32)
# # 背景音乐
# pygame.mixer.music.load(constants.BG_MUSIC)
# # 循环播放
# pygame.mixer.music.play(-1)
# # 音量
# pygame.mixer.music.set_volume(0.2)
#我方飞机对象
self.our_plane = OurPlane(self.screen, speed=20)
self.clock = pygame.time.Clock()
self.key_down = None
def bind_event(self):
""""绑定事件"""
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit(0)
elif event.type == pygame.MOUSEBUTTONDOWN: #鼠标点击按下
if self.status == self.READY:
self.status = self.PLAYING
elif self.status == self.OVER:
self.status = self.READY
self.add_small_enemies(6)
elif event.type == pygame.KEYDOWN:
self.key_down = event.key
if self.status == 1:
if event.key == pygame.K_w or event.type == pygame.K_UP:
self.our_plane.move_up()
elif event.key == pygame.K_s or event.type == pygame.K_DOWN:
self.our_plane.move_down()
elif event.key == pygame.K_a or event.type == pygame.K_LEFT:
self.our_plane.move_left()
elif event.key == pygame.K_d or event.type == pygame.K_RIGHT:
self.our_plane.move_right()
elif event.key == pygame.K_SPACE:
#发射子弹
self.our_plane.shoot()
def add_small_enemies(self, num):
"""
随机添加num架小飞机
:param num:
:return:
"""
for i in range(num):
plane = SmallEnemyPlane(self.screen, 8)
plane.add(self.small_enemies, self.enemies)
def run_game(self):
"""游戏主循环"""
while True:
# 设置帧数率
self.clock.tick(60)
self.frame += 1
if self.frame >= 60: # 减少内存
frame = 0
self.bind_event()
#更新游戏状态
if self.status == self.READY:
# 游戏准备中
# 绘制背景
self.screen.blit(self.bg, self.bg.get_rect())
# 绘制标题
self.screen.blit(self.img_game_title, self.img_game_title_rect)
# 绘制开始按钮
self.screen.blit(self.btn_start, self.btn_start_rect)
self.key_down = None
elif self.status == self.PLAYING:
# 游戏进行中
# 绘制背景
self.screen.blit(self.bg, self.bg.get_rect())
# 绘制飞机
self.our_plane.blit_me()
self.our_plane.update(self)
# 绘制子弹
self.our_plane.bullets.update(self)
# 绘制敌方飞机
self.small_enemies.update()
#游戏分数
score_text = self.score_font.render(
"得分:{0}".format(self.rest.score), False,
constants.TEXT_SCORE_COLOR)
self.screen.blit(score_text, score_text.get_rect())
elif self.status == self.OVER:
#游戏结束
#游戏背景
self.screen.blit(self.bg_over, self.bg_over.get_rect())
#分数统计
#绘制总分数，本次
score_text = self.score_font.render(
"{0}".format(self.rest.score), False,
constants.TEXT_SCORE_COLOR)
score_text_rect = score_text.get_rect()
text_w, text_h = score_text.get_size()
#改变文字的位置
score_text_rect.topleft = (int(
(self.width - text_h) / 2), int(self.height / 2))
self.screen.blit(score_text, score_text_rect)
#历史最高分
score_his = self.score_font.render(
'{0}'.format(self.rest.get_max_core()), False,
constants.TEXT_SCORE_COLOR)
self.screen.blit(score_his, (150, 40))
pygame.display.flip()
class PlaneWar(object):
"""飞机大战程序执行类"""
# 定义游戏状态常量
READY = 0
PLAYING = 1
GAME_OVER = 2
def __init__(self):
# 游戏初始化
pygame.init()
"""屏幕设定"""
# 设置屏幕大小,这里根据游戏背景图片大小即可
self.width, self.height = 480, 852
# 获取屏幕对象
self.screen = pygame.display.set_mode((self.width, self.height))
# 设置屏幕标题
pygame.display.set_caption('飞机大战')
"""图片设定"""
# 加载背景图片,获取背景surface对象
self.bg_img = pygame.image.load(constants.BG_IMG)
# 加载游戏开始标题, 设置图片位置
self.game_start_title = pygame.image.load(
constants.GAME_START_TITLE_IMG)
self.game_start_title_rect = self.game_start_title.get_rect()
t_width, t_height = self.game_start_title.get_size()
self.game_start_title_rect.topleft = (int(
(self.width - t_width) / 2), int((self.height / 2 - t_height)))
# 加载游戏开始按钮，设置按钮位置
self.game_start_btn = pygame.image.load(constants.GAME_START_BTN_IMG)
self.game_start_btn_rect = self.game_start_btn.get_rect()
b_width, b_height = self.game_start_btn.get_size()
self.game_start_btn_rect.topleft = (int(
(self.width - b_width) / 2), int((self.height / 2 + b_height)))
# 加载游戏结束图片
self.game_over_img = pygame.image.load(constants.GAME_OVER_IMAGE)
# 加载得分字体
self.score_font = pygame.font.SysFont("songtittc", 21, False, False)
"""音乐设定"""
self.play_bg_music()
"""游戏状态设定"""
self.status = self.READY
"""调节主循环运行帧数"""
# 获取游戏时钟对象
self.clock = pygame.time.Clock()
# 设置主循环计数变量
self.frame = 0
"""创建我方飞机"""
# 创建我方飞机
self.our_plane = OurPlane(self.screen)
"""创建敌方飞机"""
# 创建敌方精灵组
self.enemies = pygame.sprite.Group()
# 创建敌方小型飞机精灵族
self.small_enemy_planes = pygame.sprite.Group()
"""创建游戏结果实例"""
self.result = PlaneResult()
"""上一次键盘按键，用于移动优化"""
self.key_down = None
@staticmethod
def play_bg_music():
"""加载并播放背景音乐"""
# 加载背景音乐
pygame.mixer.music.load(constants.BG_MUSIC)
# 设置背景音乐音量为20%
pygame.mixer.music.set_volume(0.2)
# 背景音乐循环播放
pygame.mixer.music.play(-1)
def create_small_enemy_planes(self, num):
"""
# 循环创建num架敌方小型飞机，并放入到精灵组中
:param num: 敌方小型飞机数量
:return:
"""
for i in range(num):
small_enemy_plane = SmallEnemyPlane(self.screen)
# add方法为pygame的精灵类方法，目的是将小型飞机放入精灵组中
small_enemy_plane.add(self.small_enemy_planes, self.enemies)
def run_game(self):
"""运行游戏"""
while True:
# 控制帧数,每秒60帧
self.clock.tick(60)
# 计数
self.frame += 1
if self.frame > 60:
self.frame = 0
# 处理游戏事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == pygame.MOUSEBUTTONDOWN:
# 当游戏处于准备状态时，点击鼠标游戏开始
if self.status == self.READY:
self.status = self.PLAYING
# 当游戏处于结束转改，点击鼠标则重新开始
elif self.status == self.GAME_OVER:
# 消除我方子弹
self.our_plane.bullets.empty()
# 创建六架飞机
self.create_small_enemy_planes(6)
# 消除键盘记录
pass
# 更新游戏状态
self.status = self.PLAYING
elif event.type == pygame.KEYDOWN:
# 监视键盘，当在游戏进行状态下按下键盘时，作出对应操作
if self.status == self.PLAYING:
# 记录键盘按钮
self.key_down = event.key
if event.key == pygame.K_w or event.key == pygame.K_UP:
self.our_plane.move_up()
elif event.key == pygame.K_s or event.key == pygame.K_DOWN:
self.our_plane.move_down()
elif event.key == pygame.K_a or event.key == pygame.K_LEFT:
self.our_plane.move_left()
elif event.key == pygame.K_d or event.key == pygame.K_RIGHT:
self.our_plane.move_right()
elif event.key == pygame.K_SPACE:
self.our_plane.shoot()
elif event.type == pygame.KEYUP:
# 清除上一次键盘按钮记录
self.key_down = None
# 更新游戏状态
if self.status == self.READY:
# 屏幕加载背景、标题、开始按钮
self.screen.blit(self.bg_img, self.bg_img.get_rect())
self.screen.blit(self.game_start_title,
self.game_start_title_rect)
self.screen.blit(self.game_start_btn, self.game_start_btn_rect)
elif self.status == self.PLAYING:
# 屏幕加载背景
self.screen.blit(self.bg_img, self.bg_img.get_rect())
# 绘制我方飞机
self.our_plane.blit_me()
# 更换我方飞机图片造成动态效果
self.our_plane.update(self)
# 绘制、更新子弹
self.our_plane.bullets.update(self)
# 绘制、更新敌方小型飞机
self.small_enemy_planes.update()
# 绘制得分
score_text = self.score_font.render(
"得分: {0}".format(self.result.score), False,
constants.SCORE_COLOR)
self.screen.blit(score_text, score_text.get_rect())
elif self.status == self.GAME_OVER:
# 绘制游戏结束画面
self.screen.blit(self.game_over_img,
self.game_over_img.get_rect())
# 绘制目前得分
score_text = self.score_font.render(
"{0}分".format(self.result.score), False,
constants.SCORE_COLOR)
score_rect = score_text.get_rect()
s_width, s_height = score_text.get_size()
score_rect.topleft = (int(
(self.width - s_width) / 2), int(self.height / 2))
self.screen.blit(score_text, score_rect)
# 记录游戏最高分
self.result.record_highest_score()
# 绘制游戏历史最高分
history_score_text = self.score_font.render(
"{0}分".format(self.result.get_history_score()), False,
constants.SCORE_COLOR)
history_score_rect = history_score_text.get_rect()
history_score_rect.topleft = (150, 40)
self.screen.blit(history_score_text, history_score_rect)
# 展示屏幕
pygame.display.flip()