使用Python第三方库pygame写个贪吃蛇小游戏

今天看到几个关于pygame模块的博客和视频，感觉非常有趣，这里照猫画虎写了一个贪吃蛇小游戏，目前还有待完善，但是基本游戏功能已经实现，下面是代码：

# 导入模块import pygameimport random # 初始化pygame.init()w = 720 #窗口宽度h = 600 #窗口高度ROW = 30 #行数COL = 36 #列数#将所有的坐标看作是一个个点，定义点类class Point: row = 0 col = 0 def __init__(self, row, col): self.row = row self.col = col def copy(self): return Point(row = self.row,col = self.col)#显示窗口和标题size = (w, h)window = pygame.display.set_mode(size)pygame.display.set_caption(’贪吃蛇’)#定义蛇头坐标head = Point(row = ROW/2, col = COL/2)#蛇身体snake_list = [ Point(row = head.row,col = head.col+1), Point(row = head.row,col = head.col+2), Point(row = head.row,col = head.col+3)]#产生食物def pro_food(): #食物不能与蛇重叠 while True: pos = Point(row=random.randint(1,ROW-2), col=random.randint(1,COL-2)) is_coll = False if head.row == pos.row and head.col == pos.col: is_coll = True for snake in snake_list: if snake.col == pos.col and snake.row == pos.row:is_coll = Truebreak if not is_coll: return posfood = pro_food()#定义颜色bg_color = (255, 255, 255)head_color = (0, 128, 128)food_color = (255, 255, 0)snake_color = (200,200,200)#给定初始方向dire = ’left’def rect(point, color): cell_width = w/COL cell_height = h/ROW left = point.col*cell_width top = point.row*cell_height pygame.draw.rect( window, color, (left,top,cell_width, cell_height, ) ) pass# 游戏循环quit = Trueclock = pygame.time.Clock()while quit: for event in pygame.event.get(): #退出方式 if event.type == pygame.QUIT: quit = False elif event.type == pygame.KEYDOWN: #键盘控制 if event.key == 273 or event.key == 119:if dire == ’left’ or dire == ’right’: dire = ’up’ elif event.key == 274 or event.key == 115:if dire == ’left’ or dire == ’right’: dire = ’down’ elif event.key == 276 or event.key == 97:if dire == ’up’ or dire == ’down’: dire = ’left’ elif event.key == 275 or event.key == 100:if dire == ’up’ or dire == ’down’: dire = ’right’ #吃 eat=(head.row == food.row and head.col == food.col) if eat: food = pro_food() #处理身体 #1.原来的头换到身体最前端 snake_list.insert(0,head.copy()) #2.删除身体最后一个 if not eat: snake_list.pop() #移动 if dire == ’left’: head.col -= 1 elif dire == ’right’: head.col += 1 elif dire == ’up’: head.row -= 1 elif dire == ’down’: head.row += 1 #检测： dead=False #1.撞墙 if head.col < 0 or head.row< 0 or head.col >= COL or head.row >= ROW: dead=True #2.撞自己 for snake in snake_list: if head.col == snake.col and head.row == snake.row: dead=True break if dead: print(’dead’) quit = False #绘制背景 pygame.draw.rect(window, bg_color, (0, 0, w, h)) #蛇头 rect(head, head_color) #食物 rect(food,food_color) #蛇身 for snake in snake_list: rect(snake,snake_color) pygame.display.flip() #游戏帧数 clock.tick(20)

效果：

总结

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