pygame贪吃蛇问题
#贪吃蛇.pyimport pygame
import sys
from pygame.locals import *
import 金币
import 蛇身
pygame.init()
pygame.mixer.init()
size = width, height = 600, 400
bg = (0, 0, 255)
YELLOW = (255, 255, 0)
snake = (0, 255, 0)
white = (255, 255, 255)
Sbody = {}
fanxiang = 'right'
left = 300
top = 200
pygame.mouse.set_visible(False)
#pygame.mixer.music.load('Ximalaya-4.0.0_99B_sc100006.exe')
pygame.mixer.music.load('game_music.ogg')
pygame.mixer.music.set_volume(1)
a = pygame.mixer.Sound('upgrade.wav')
screen = pygame.display.set_mode(size)
pygame.display.set_caption('贪吃蛇')
move = USEREVENT
money = USEREVENT + 1
pygame.time.set_timer(move, 1 * 100)
pygame.time.set_timer(money, 5 * 1000)
score = 0
score_font = pygame.font.Font(None, 20)
GameOver_font = pygame.font.Font(None, 100)
Money = pygame.sprite.Group()
snakebody = pygame.sprite.Group()
pygame.mixer.music.play()
running = True
e = True
clock = pygame.time.Clock()
while running:
if e:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
elif event.type == move:
if fanxiang == 'left':
Sbody =
left -= 11
for b in snakebody:
Sbody =
elif fanxiang == 'top':
Sbody =
top -= 11
for b in snakebody:
Sbody =
elif fanxiang == 'right':
Sbody =
left += 11
for b in snakebody:
Sbody =
elif fanxiang == 'bottom':
Sbody =
top += 11
for b in snakebody:
Sbody =
#生成金币
elif event.type == money:
print(left, top)
m = 金币.money()
Money.add(m)
key_pressed = pygame.key.get_pressed()
#控制方向
if key_pressed or key_pressed:
fanxiang = 'top'
elif key_pressed or key_pressed:
fanxiang = 'bottom'
elif key_pressed or key_pressed:
fanxiang = 'right'
elif key_pressed or key_pressed:
fanxiang = 'left'
if left <= 0 or left >= 600 or top <= 0 or top >= 400:
pygame.mixer.music.stop()
#raise OSError('不能碰到身体或边缘!!!')
e = False
#GameOver = True
screen.fill(bg)
#蛇身机制
for b in snakebody:
lastnumber = b.number - 1
nextnumber = b.number + 1
#print(Sbody)
b.width = Sbody
b.height = Sbody
b.rect = pygame.Rect(b.width, b.height, 10, 10)
pygame.draw.rect(screen, snake, b.rect, 0)
if b.rect.colliderect(pygame.Rect(left, top, 10, 10)):
pygame.mixer.music.stop()
#raise OSError('不能碰到身体或边缘!!!')
e = False
#GameOver = True
#金币机制
for i in Money:
if running:
pygame.draw.rect(screen, YELLOW, i.rect, 0)
if i.rect.colliderect(pygame.Rect(left, top, 10, 10)):
score+=1000
thousand = score / 1000
last = thousand - 1
#增加长度
s = 蛇身.body(int(Sbody), int(Sbody), thousand, size)
snakebody.add(s)
Money.remove(i)
a.play()
#绘制贪吃蛇
pygame.draw.rect(screen, snake, (left, top, 10, 10), 0)
#显示字迹
score_text = score_font.render(f'Score:{score}', True, white)
screen.blit(score_text, (10, 5))
pygame.display.flip()
elif not e:
GameOver_text = GameOver_font.render('Game Over', True, white)
screen.blit(GameOver_text, (100, 100))
pygame.time.delay(1000)
pygame.display.flip()
clock.tick(10)#蛇身.py
import pygame
class body(pygame.sprite.Sprite):
def __init__(self, width, height, number, bg_size):
pygame.sprite.Sprite.__init__(self)
self.width = width
self.height = height
self.rect = pygame.Rect(self.width, self.height, 10, 10)
self.number = number
self.left = bg_size
self.top = bg_size
#金币.py
import pygame
import random
class money(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.rect = pygame.Rect(random.randint(0, 590), random.randint(0, 390), 10, 10)
我在测试失败界面时游戏突然卡了，麻烦各位看看是怎么回事，谢谢 在下面这一段代码中，你没有处理退出命令：
elif not e:
GameOver_text = GameOver_font.render('Game Over', True, white)
screen.blit(GameOver_text, (100, 100))
pygame.time.delay(1000)
pygame.display.flip()
clock.tick(10)
此外，强制等待1秒钟也会引起卡顿。
解决方案如下：
elif not e:
GameOver_text = GameOver_font.render('Game Over', True, white)
screen.blit(GameOver_text, (100, 100))
pygame.display.flip()
clock.tick(10)
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit() 在你的代码中，有几个地方可能导致游戏卡死：
1. 在生成金币时，使用了`print(left, top)`语句。如果你不断生成金币并打印坐标，会导致输出过多，可能会降低程序的运行速度甚至卡死。建议删除这一行。
2. 在控制方向的部分，你使用了类似`key_pressed or key_pressed`的判断条件。这是一个逻辑错误，建议根据你的实际需要修改为合适的按键判断条件。例如，判断是否按下了上箭头可以改为`if key_pressed:`。
此外，你还可以进行一些代码优化和改进，包括：
1. 将所有的导入语句放在代码开头，以提高代码的可读性。
2. 在游戏结束时，可以添加一个循环来等待用户的操作，例如按下某个键重新开始游戏或退出。可以使用`pygame.key.get_pressed()`来判断按键状态，根据需要进行相应的操作。
3. 在贪吃蛇的移动中，你可以使用一个变量来存储蛇头的位置，然后根据蛇头的位置计算身体部分的位置，而不是每次都遍历整个蛇身列表来更新每个身体部分的位置。
4. 可以考虑使用更加模块化的方式组织代码，将不同的功能（例如贪吃蛇、金币等）封装成不同的类和模块，便于管理和维护。
以下是对代码进行了一些修改和优化的示例：
# 贪吃蛇.py
import sys
import pygame
from pygame.locals import *
import random
import time
# 定义颜色值
bg = (0, 0, 255)
YELLOW = (255, 255, 0)
snake_color = (0, 255, 0)
white = (255, 255, 255)
# 初始化pygame
pygame.init()
size = width, height = 600, 400
screen = pygame.display.set_mode(size)
pygame.display.set_caption('贪吃蛇')
# 加载音效
pygame.mixer.init()
pygame.mixer.music.load('game_music.ogg')
pygame.mixer.music.set_volume(1)
eat_sound = pygame.mixer.Sound('upgrade.wav')
# 设置定时器事件
move_event = USEREVENT
money_event = USEREVENT + 1
pygame.time.set_timer(move_event, 100)# 设置移动事件间隔为100毫秒
pygame.time.set_timer(money_event, 5000)# 设置生成金币事件间隔为5秒
# 创建字体对象
score_font = pygame.font.Font(None, 20)
game_over_font = pygame.font.Font(None, 100)
# 定义游戏状态
GAME_RUNNING = 0
GAME_OVER = 1
class SnakeBodyPart(pygame.sprite.Sprite):
def __init__(self, x, y):
pygame.sprite.Sprite.__init__(self)
self.rect = pygame.Rect(x, y, 10, 10)
class Money(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.rect = pygame.Rect(random.randint(0, width - 10), random.randint(0, height - 10), 10, 10)
def game_over():
screen.fill(bg)
game_over_text = game_over_font.render('Game Over', True, white)
screen.blit(game_over_text, (100, 100))
pygame.display.flip()
time.sleep(1)
return
def main():
pygame.mixer.music.play(-1)# 无限循环播放背景音乐
snake_body_parts = []
direction = 'right'
score = 0
game_state = GAME_RUNNING
while True:
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
elif event.type == move_event:
if game_state == GAME_RUNNING:
if direction == 'left':
head_x = snake_body_parts.rect.x - 11
head_y = snake_body_parts.rect.y
elif direction == 'top':
head_x = snake_body_parts.rect.x
head_y = snake_body_parts.rect.y - 11
elif direction == 'right':
head_x = snake_body_parts.rect.x + 11
head_y = snake_body_parts.rect.y
elif direction == 'bottom':
head_x = snake_body_parts.rect.x
head_y = snake_body_parts.rect.y + 11
new_body_part = SnakeBodyPart(head_x, head_y)
snake_body_parts.insert(0, new_body_part)
if len(snake_body_parts) > 1:
snake_body_parts[-1].rect.x = snake_body_parts[-2].rect.x
snake_body_parts[-1].rect.y = snake_body_parts[-2].rect.y
# 移动后判断是否撞到自身或边界
if head_x < 0 or head_x >= width or head_y < 0 or head_y >= height:
game_state = GAME_OVER
for body_part in snake_body_parts:
if body_part.rect.colliderect(new_body_part.rect):
game_state = GAME_OVER
# 判断是否吃到金币
for money in money_group:
if new_body_part.rect.colliderect(money.rect):
score += 1000
eat_sound.play()
money.kill()
elif event.type == money_event:
if game_state == GAME_RUNNING:
new_money = Money()
money_group.add(new_money)
key_pressed = pygame.key.get_pressed()
if key_pressed and direction != 'right':
direction = 'left'
elif key_pressed and direction != 'bottom':
direction = 'top'
elif key_pressed and direction != 'left':
direction = 'right'
elif key_pressed and direction != 'top':
direction = 'bottom'
if game_state == GAME_RUNNING:
screen.fill(bg)
score_text = score_font.render(f'Score: {score}', True, white)
screen.blit(score_text, (10, 5))
for body_part in snake_body_parts:
pygame.draw.rect(screen, snake_color, body_part.rect)
for money in money_group:
pygame.draw.rect(screen, YELLOW, money.rect)
pygame.display.flip()
else:
game_over()
clock.tick(10)
if __name__ == '__main__':
clock = pygame.time.Clock()
money_group = pygame.sprite.Group()
main()
上述代码对你的原始代码进行了修改和优化，增加了游戏状态的判断，使得游戏结束后可以显示"Game Over"并停留一段时间。另外，将生成金币和绘制游戏界面的部分进行了拆分，并使用了精灵组来管理金币。同时，在每次移动后判断是否撞到自身或边界，并增加了吃到金币的逻辑。希望以上修改能够解决你遇到的问题。
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