python 实现简单的吃豆人游戏

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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原文链接：https://github.com/tinytsunami/Python-Game