效果展示：

程序简介

1.使用pygame模组
2.在material目录下有一些素材
3.吃豆人的游戏主体
4.吃豆人怪物的AI（未使用深度学习）

主要代码

main.py

import pygame, sys
from pygame.locals import *
from unit import user, enemy
import random

#constant initialize
FPS = 60
BLOCK_SIZE = 24
WIDTH = 29
HEIGHT = 15
WINDOW_WIDTH = WIDTH * BLOCK_SIZE
WINDOW_HEIGHT = HEIGHT * BLOCK_SIZE
MAP_NAME = "./material/map.maze"
BGM_NAME = "./material/bgm.ogg"
BLOCK_IMAGE = "./material/block.png"
FOOD_IMAGE = "./material/food.png"
GAMEOVER_IMAGE = "./material/gameover.png"
SERVER_PORT = 30000
ENEMY_COUNT = 4
OX = 1
OY = 1
DELAY = 8

#pygame initialize
pygame.init()
display = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))
clock = pygame.time.Clock()
block_image = pygame.image.load(BLOCK_IMAGE)
food_image = pygame.image.load(FOOD_IMAGE)
gameover_image = pygame.image.load(GAMEOVER_IMAGE)
bgm = pygame.mixer.music.load(BGM_NAME)
scene = "game"
unit_list = []
game_map = []

#map initialize
def load_map(filename):
global game_map
game_map.clear()
file = open(filename, 'r')
for line in file.readlines():
game_map.append(list(line.strip()))
pass
pass

#set passport
def through(position):
x = position[0]
y = position[1]
in_range = (x >= 0 and x < WIDTH) and (y >= 0 and y < HEIGHT)
in_space = (not game_map[y][x] == '1')
return (in_range and in_space)
pass

#gameover?
def check_gameover(user_pos, enemy_pos):
global scene
gameover = (enemy_pos[0] == user_pos[0] and enemy_pos[1] == user_pos[1])
if gameover:
scene = "gameover"
pass
return gameover
pass

#gameover
def gameover():
pygame.mixer.music.stop()
keys = pygame.key.get_pressed()
if keys[K_RETURN]:
initialize()
pass
display.fill((0, 0, 0))
x = (WINDOW_WIDTH-gameover_image.get_width())/2
y = (WINDOW_HEIGHT-gameover_image.get_height())/2
display.blit(gameover_image, (x, y))
pygame.display.update()
pass

#unit initialize
def initialize_unit():
unit_list.clear()
ox = random.randint(1, WIDTH - 2)
oy = random.randint(1, HEIGHT - 2)
while not through((ox, oy)):
ox = random.randint(1, WIDTH - 2)
oy = random.randint(1, HEIGHT - 2)
unit_list.append(user(OX, OY))
for i in range(0, ENEMY_COUNT):
enemy_color = i % 4
ox = random.randint(1, WIDTH - 2)
oy = random.randint(1, HEIGHT - 2)
while not through((ox, oy)):
ox = random.randint(1, WIDTH - 2)
oy = random.randint(1, HEIGHT - 2)
unit_list.append(enemy(enemy_color, ox, oy))
pass
pass

#initialize
def initialize():
global scene
load_map(MAP_NAME)
initialize_unit()
scene = "game"
pygame.mixer.music.play(-1)

#system update
def system_update():
clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
pass

#update control
control_clock = [0, DELAY]
def control_update():
#user control
if control_clock[0] > control_clock[1]:
user = unit_list[0]
keys = pygame.key.get_pressed()
passport = False
pos = user.position
if keys[K_UP]: 
pos = user.move(through(user.next(0)))
elif keys[K_RIGHT]: 
pos = user.move(through(user.next(1)))
elif keys[K_DOWN]:
pos = user.move(through(user.next(2)))
elif keys[K_LEFT]:
pos = user.move(through(user.next(3)))
pass
game_map[pos[1]][pos[0]] = '0'
#enemy control
u_pos = unit_list[0].position
for index in range(1, len(unit_list)):
enemy = unit_list[index]
if check_gameover(u_pos, enemy.position): break
enemy.track(u_pos)
passport = through(enemy.next())
enemy.move(passport)
while not passport:
enemy.clockwise()
passport = through(enemy.next())
enemy.move(passport)
pass
control_clock[0] = 0
pass
else:
control_clock[0] += 1
pass
pass

#update screen
def screen_update():
display.fill((0, 0, 0))
for i in range(0, HEIGHT):
for j in range(0, WIDTH):
x = j * BLOCK_SIZE
y = i * BLOCK_SIZE
if game_map[i][j] == '1':
display.blit(block_image, (x, y))
elif game_map[i][j] == '4':
display.blit(food_image, (x, y))
pass
pass
pass
for unit in unit_list:
unit.update()
x = unit.position[0] * BLOCK_SIZE
y = unit.position[1] * BLOCK_SIZE
display.blit(unit.image, (x, y), unit.image_rect())
pygame.display.update()
pass

#first
initialize()

#main loop
while True:
system_update()
if scene == "game":
control_update()
screen_update()
else:
gameover()
pass
pass

unit.py

import pygame
import math
import random

USER_IMAGE = "./material/user.png"
ENEMY_IMAGE = [("./material/enemy%d.png" % i) for i in range(1, 5)]

class unit():
def __init__(self, filename):
super(unit, self).__init__()
self.image = pygame.image.load(filename)
self.clock = [0, 5]
self.direction = 0
self.position = [1, 1, 1, 1]
self.index = 0
self.source_rect = 0
pass

def update(self):
self.animation_update()
pass

def animation_update(self):
self.clock[0] += 1
if self.clock[0] > self.clock[1]:
if self.index < 4:
self.index += 4
else:
self.index -= 4
self.source_rect = self.image_rect()
self.clock[0] = 0
pass
pass

def move(self, passport):
if passport:
pos = self.position[:]
self.position[0] = self.position[2]
self.position[1] = self.position[3]
else:
self.position[2] = self.position[0]
self.position[3] = self.position[1]
pos = self.position
pass
return pos
pass

def next(self):
self.ahead()
return (self.position[2], self.position[3])
pass

def turn(self, direction):
self.direction = direction % 4
self.index = self.direction
pass

def ahead(self):
if self.direction == 0:
self.position[3] -= 1
elif self.direction == 1:
self.position[2] += 1
elif self.direction == 2:
self.position[3] += 1
elif self.direction  == 3:
self.position[2] -= 1
pass

def image_rect(self):
w = self.image.get_width()
h = self.image.get_height()
ox = math.floor(w / 4 * (self.index % 4)) 
oy = math.floor(h / 2 * math.floor(self.index / 4))
return pygame.Rect((ox, oy), (24, 24))

class user(unit):
def __init__(self, x, y):
super(user, self).__init__(USER_IMAGE)
self.position = [x, y, x, y]
pass

def next(self, direction):
self.turn(direction)
self.ahead()
return (self.position[2], self.position[3])
pass

class enemy(unit):
def __init__(self, id, x, y):
filename = ENEMY_IMAGE[id]
super(enemy, self).__init__(filename)
self.position = [x, y, x, y]
pass

def track(self, user_pos):
rand_dir = [1,2,3,4]
self.turn(random.choice(rand_dir))
pass

def clockwise(self):
self.turn(self.direction + 1)
pass

class enemy_user(unit):
def __init__(self, x, y):
filename = ENEMY_IMAGE[0]
super(enemy_user, self).__init__(filename)
self.position = [x, y, x, y]
pass

def move(self, x, y):
self.position[0] = x
self.position[1] = y
pass

总结：

程序还有许多地方可以完善，如怪物的AI，时间的判定等等，有兴趣的大佬可以加以修改完善。

完整项目下载：https://github.com/tinytsunami/Python-Game

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