本篇内容介绍了“Python实现贪吃蛇小游戏源码分享”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！
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今天给大家免费分享一下Python飞机游戏的源码。
（声明：本文使用的源码非原创，17年在CSDN上用币下载的资源，具体是哪位大佬的忘记了） 在此之前首先说一下环境 Python3.X （使用2.x的大佬自己稍微改动一下就行） pygame 1.9.6（当然这个没必要和我一样）
## 导入相关模块 import random import pygame import sys from pygame.locals import *
snake_speed = 15 #贪吃蛇的速度 windows_width = 800 windows_height = 600 #游戏窗口的大小 cell_size = 20 #贪吃蛇身体方块大小,注意身体大小必须能被窗口长宽整除 ''' #初始化区 由于我们的贪吃蛇是有大小尺寸的, 因此地图的实际尺寸是相对于贪吃蛇的大小尺寸而言的 ''' map_width = int(windows_width / cell_size) map_height = int(windows_height / cell_size) # 颜色定义 white = (255, 255, 255) black = (0, 0, 0) gray = (230, 230, 230) dark_gray = (40, 40, 40) DARKGreen = (0, 155, 0) Green = (0, 255, 0) Red = (255, 0, 0) blue = (0, 0, 255) dark_blue =(0,0, 139) BG_COLOR = black #游戏背景颜色 # 定义方向 UP = 1 DOWN = 2 LEFT = 3 RIGHT = 4 HEAD = 0 #贪吃蛇头部下标
#主函数
def main():
pygame.init() # 模块初始化
snake_speed_clock = pygame.time.Clock() # 创建Pygame时钟对象
screen = pygame.display.set_mode((windows_width, windows_height)) #
screen.fill(white)
pygame.display.set_caption("Python 贪吃蛇小游戏") #设置标题
show_start_info(screen) #欢迎信息
while True:
running_game(screen, snake_speed_clock)
show_gameover_info(screen)
#游戏运行主体
def running_game(screen,snake_speed_clock):
startx = random.randint(3, map_width - 8) #开始位置
starty = random.randint(3, map_height - 8)
snake_coords = [{'x': startx, 'y': starty}, #初始贪吃蛇
{'x': startx - 1, 'y': starty},
{'x': startx - 2, 'y': starty}]
direction = RIGHT # 开始时向右移动
food = get_random_location() #实物随机位置
while True:
for event in pygame.event.get():
if event.type == QUIT:
terminate()
elif event.type == KEYDOWN:
if (event.key == K_LEFT or event.key == K_a) and direction != RIGHT:
direction = LEFT
elif (event.key == K_RIGHT or event.key == K_d) and direction != LEFT:
direction = RIGHT
elif (event.key == K_UP or event.key == K_w) and direction != DOWN:
direction = UP
elif (event.key == K_DOWN or event.key == K_s) and direction != UP:
direction = DOWN
elif event.key == K_ESCAPE:
terminate()
move_snake(direction, snake_coords) #移动蛇
ret = snake_is_alive(snake_coords)
if not ret:
break #蛇跪了. 游戏结束
snake_is_eat_food(snake_coords, food) #判断蛇是否吃到食物
screen.fill(BG_COLOR)
#draw_grid(screen)
draw_snake(screen, snake_coords)
draw_food(screen, food)
draw_score(screen, len(snake_coords) - 3)
pygame.display.update()
snake_speed_clock.tick(snake_speed) #控制fps#将食物画出来 def draw_food(screen, food): x = food['x'] * cell_size y = food['y'] * cell_size appleRect = pygame.Rect(x, y, cell_size, cell_size) pygame.draw.rect(screen, Red, appleRect)
#将贪吃蛇画出来 def draw_snake(screen, snake_coords): for coord in snake_coords: x = coord['x'] * cell_size y = coord['y'] * cell_size wormSegmentRect = pygame.Rect(x, y, cell_size, cell_size) pygame.draw.rect(screen, dark_blue, wormSegmentRect) wormInnerSegmentRect = pygame.Rect( #蛇身子里面的第二层亮绿色 x + 4, y + 4, cell_size - 8, cell_size - 8) pygame.draw.rect(screen, blue, wormInnerSegmentRect)
#画网格(可选) def draw_grid(screen): for x in range(0, windows_width, cell_size): # draw 水平 lines pygame.draw.line(screen, dark_gray, (x, 0), (x, windows_height)) for y in range(0, windows_height, cell_size): # draw 垂直 lines pygame.draw.line(screen, dark_gray, (0, y), (windows_width, y))
#移动贪吃蛇
def move_snake(direction, snake_coords):
if direction == UP:
newHead = {'x': snake_coords[HEAD]['x'], 'y': snake_coords[HEAD]['y'] - 1}
elif direction == DOWN:
newHead = {'x': snake_coords[HEAD]['x'], 'y': snake_coords[HEAD]['y'] + 1}
elif direction == LEFT:
newHead = {'x': snake_coords[HEAD]['x'] - 1, 'y': snake_coords[HEAD]['y']}
elif direction == RIGHT:
newHead = {'x': snake_coords[HEAD]['x'] + 1, 'y': snake_coords[HEAD]['y']}
snake_coords.insert(0, newHead)#判断蛇死了没 def snake_is_alive(snake_coords): tag = True if snake_coords[HEAD]['x'] == -1 or snake_coords[HEAD]['x'] == map_width or snake_coords[HEAD]['y'] == -1 or \ snake_coords[HEAD]['y'] == map_height: tag = False # 蛇碰壁啦 for snake_body in snake_coords[1:]: if snake_body['x'] == snake_coords[HEAD]['x'] and snake_body['y'] == snake_coords[HEAD]['y']: tag = False # 蛇碰到自己身体啦 return tag
#判断贪吃蛇是否吃到食物 def snake_is_eat_food(snake_coords, food): #如果是列表或字典，那么函数内修改参数内容，就会影响到函数体外的对象。 if snake_coords[HEAD]['x'] == food['x'] and snake_coords[HEAD]['y'] == food['y']: food['x'] = random.randint(0, map_width - 1) food['y'] = random.randint(0, map_height - 1) # 实物位置重新设置 else: del snake_coords[-1] # 如果没有吃到实物, 就向前移动, 那么尾部一格删掉
#食物随机生成
def get_random_location():
return {'x': random.randint(0, map_width - 1), 'y': random.randint(0, map_height - 1)}#开始信息显示
def show_start_info(screen):
font = pygame.font.Font('myfont.ttf', 40)
tip = font.render('按任意键开始游戏~~~', True, (65, 105, 225))
gamestart = pygame.image.load('gamestart.png')
screen.blit(gamestart, (140, 30))
screen.blit(tip, (240, 550))
pygame.display.update()
while True: #键盘监听事件
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
terminate() #终止程序
elif event.type == KEYDOWN:
if (event.key == K_ESCAPE): #终止程序
terminate() #终止程序
else:
return #结束此函数, 开始游戏
#游戏结束信息显示
def show_gameover_info(screen):
font = pygame.font.Font('myfont.ttf', 40)
tip = font.render('按Q或者ESC退出游戏, 按任意键重新开始游戏~', True, (65, 105, 225))
gamestart = pygame.image.load('gameover.png')
screen.blit(gamestart, (60, 0))
screen.blit(tip, (80, 300))
pygame.display.update()
while True: #键盘监听事件
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
terminate() #终止程序
elif event.type == KEYDOWN:
if event.key == K_ESCAPE or event.key == K_q: #终止程序
terminate() #终止程序
else:
return #结束此函数, 重新开始游戏
#画成绩
def draw_score(screen,score):
font = pygame.font.Font('myfont.ttf', 30)
scoreSurf = font.render('得分: %s' % score, True, Green)
scoreRect = scoreSurf.get_rect()
scoreRect.topleft = (windows_width - 120, 10)
screen.blit(scoreSurf, scoreRect)
#程序终止
def terminate():
pygame.quit()
sys.exit()
main()
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