Python面向对象版本贪吃蛇实现

先来一波效果图吧

import random
import sys
import pygame

# 游戏状态 ready 未开始 gameing 游戏中 end 游戏结束

class Util:
\”\”\”
工具类：提供静态方法
\”\”\”
@staticmethod
def click_check(sprite):
\”\”\”
精灵的点击检测
\”\”\”
if pygame.mouse.get_pressed()[0]:
if sprite.rect.collidepoint(pygame.mouse.get_pos()):
return True
return False

class BaseSprite(pygame.sprite.Sprite):
\”\”\”
精灵父类
\”\”\”

def __init__(self, name):
super().__init__()
self.image = pygame.image.load(name)
self.rect = self.image.get_rect()

class FoodSprite(BaseSprite):
\”\”\”
食物类
\”\”\”

def __init__(self, name, center):
super().__init__(name)
self.rect.center = center

class AudioManage:
@staticmethod
def play_bg_music():
\”\”\”
背景音乐
\”\”\”
pygame.mixer.music.load(\”sound/bgm.wav\”)
pygame.mixer.music.play(True)

@staticmethod
def play_sound(name):
\”\”\”
音效
\”\”\”
sound = pygame.mixer.Sound(name)
sound.play()

class FoodManage:
def __init__(self, gm):
self.gm = gm
self.food_group = pygame.sprite.Group()

def generate(self):
\”\”\”
生成食物
\”\”\”
name = \”img/food.png\” if random.random() > 0.5 else \”img/food2.png\”
center = (random.randrange(25, 575, 25), random.randrange(25, 575, 25))
FoodSprite(name, center).add(self.food_group)

def clear(self):
# 玩家死亡清除食物
self.food_group.empty()

def update(self):
self.food_group.update()
self.food_group.draw(self.gm.screen)

class PlayerSprite(BaseSprite):
\”\”\”
玩家精灵
\”\”\”
def __init__(self, name, center, is_head=False):
super().__init__(name)
self.rect.center = center
if is_head:
# 如果是舌头则加载四张对应的surface
self.image_left = self.image
self.image_up = pygame.image.load(\”img/up.png\”)
self.image_right = pygame.image.load(\”img/right.png\”)
self.image_down = pygame.image.load(\”img/down.png\”)

class PlayerManage:
def __init__(self, gm):
self.gm = gm
self.player_group = pygame.sprite.Group()
self.score = 0
AudioManage.play_bg_music()

def eat(self):
# 在末尾右侧追加一个
self.last = PlayerSprite(\”img/body.png\”, self.last.rect.center)
self.last.add(self.player_group)
self.score += 1
AudioManage.play_sound(\”sound/eat.mp3\”)

def move(self, dir):
if self.move_dir == \”left\” and dir == \”right\” or self.move_dir == \”up\” and dir == \”down\” or self.move_dir == \”right\” and dir == \”left\” or self.move_dir == \”down\” and dir == \”up\”:
return

self.move_dir = dir
# 更新每一个部件的位置倒着更新
for index in range(len(self.player_group) – 1, 0, -1):
self.player_group.sprites()[index].rect.center = self.player_group.sprites()[index – 1].rect.center
if self.move_dir == \”left\”:
self.head.rect.centerx -= 25
self.head.image = self.head.image_left
elif self.move_dir == \”up\”:
self.head.rect.centery -= 25
self.head.image = self.head.image_up
elif self.move_dir == \”down\”:
self.head.rect.centery += 25
self.head.image = self.head.image_down
elif self.move_dir == \”right\”:
self.head.rect.centerx += 25
self.head.image = self.head.image_right

if pygame.sprite.spritecollide(self.head, self.gm.food_manage.food_group, True):
self.eat()
self.gm.food_manage.generate()

if self.head.rect.centerx <= 0 or self.head.rect.centerx >= 600 or self.head.rect.centery <= 0 or self.head.rect.centery >= 600:
self.die()
self.gm.food_manage.clear()

def born(self):
self.move_dir = \”left\”
self.score = 0
# 蛇头
self.head = PlayerSprite(\”img/left.png\”, (300, 300), True)
self.head.add(self.player_group)

for i in range(1, 4):
self.last = PlayerSprite(\”img/body.png\”, (300 + 25 * i, 300))
self.last.add(self.player_group)

pygame.time.set_timer(6888, 500)

def die(self):
\”\”\”
玩家死亡清空停止计时停止自动移动
\”\”\”
self.player_group.empty()
self.gm.state = \”end\”
pygame.time.set_timer(6888, 0)
AudioManage.play_sound(\”sound/die.wav\”)

def update(self):
self.player_group.update()
self.player_group.draw(self.gm.screen)

class UISprite(BaseSprite):
\”\”\”
UI精灵类
\”\”\”
def __init__(self, name, center):
super().__init__(name)
self.rect.center = center

class UIManage:
def __init__(self, gm):
self.gm = gm
# UI字体
self.font = pygame.font.Font(\”font/font.ttf\”, 32)

# 开始前UI元素
self.ready_group = pygame.sprite.Group()
self.begin_btn = UISprite(\”img/begin_btn.png\”, (300, 300))
self.begin_btn.add(self.ready_group)

# 游戏中UI元素
self.score_surface = self.font.render(f\”Score:{self.gm.player_manage.score}\”, True, \”#FF4500\”)

# 游戏结束UI元素
self.end_group = pygame.sprite.Group()
self.replay_btn = UISprite(\”img/replay_btn.png\”, (300, 300))
self.replay_btn.add(self.end_group)

def update(self):
if self.gm.state == \”ready\”:
# print(\”更新未开始游戏UI\”)
self.ready_group.draw(self.gm.screen)
if Util.click_check(self.begin_btn):
AudioManage.play_sound(\”sound/click.mp3\”)
self.gm.state = \”gaming\”
self.gm.player_manage.born()
self.gm.food_manage.generate()
elif self.gm.state == \”gaming\”:
# print(\”更新游戏中UI\”)
self.score_surface = self.font.render(f\”Score:{self.gm.player_manage.score}\”, True, \”#FF4500\”)
self.gm.screen.blit(self.score_surface, (400, 20))
elif self.gm.state == \”end\”:
# print(\”更新游戏结束UI\”)
self.end_group.draw(self.gm.screen)
if Util.click_check(self.replay_btn):
AudioManage.play_sound(\”sound/click.mp3\”)
self.gm.state = \”gaming\”
self.gm.player_manage.born()
self.gm.food_manage.generate()

class GameManage:
def __init__(self, name):
pygame.init()
# 初始化游戏状态
self.state = \”ready\”

self.clock = pygame.time.Clock()

self.screen = pygame.display.set_mode((600, 600))
pygame.display.set_caption(name)

# 游戏中的玩家
self.player_manage = PlayerManage(self)

# 食物管理类
self.food_manage = FoodManage(self)

# 构建了一个 UI管理类的实例
self.ui_manage = UIManage(self)

def check_event(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()

# 自动移动
if event.type == 6888:
self.player_manage.move(self.player_manage.move_dir)

# 手动换方向
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT:
self.player_manage.move(\”left\”)
elif event.key == pygame.K_UP:
self.player_manage.move(\”up\”)
elif event.key == pygame.K_RIGHT:
self.player_manage.move(\”right\”)
elif event.key == pygame.K_DOWN:
self.player_manage.move(\”down\”)

# 测试功能一键杀死一键吃
if event.type == pygame.KEYUP:
if event.key == pygame.K_SPACE:
self.state = \”end\”
self.player_manage.die()
if event.type == pygame.KEYUP:
if event.key == pygame.K_ESCAPE:
self.player_manage.eat()

def run(self):
while True:
self.clock.tick(24)
self.check_event()
self.screen.fill(\”#FFFACD\”)
self.ui_manage.update()

if self.state == \”gaming\”:
self.player_manage.update()
self.food_manage.update()

pygame.display.flip()

gm = GameManage(\”贪吃蛇大作战\”)
gm.run()

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版权声明：本文为CSDN博主「码农NoError」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/zhangzhaoyuxunlei/article/details/132345856