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demo1.py

+import pygame
+from pygame import locals
+import os
+import sys
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+FRSCLOCK=pygame.time.Clock()   # pygame时钟
+
+# 背景
+background = pygame.image.load('bg.png')
+
+right = pygame.image.load('right.png') #右
+left = pygame.image.load('left.png') #左
+up = pygame.image.load('up.png')  #上
+down = pygame.image.load('down.png') #下
+
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+
+x , y = 240 ,120#蛇头的初始位置
+
+position = [(210, 120),(180, 120), (180, 90),(x , y)]
+
+setheading = 'right' #设置初始朝向
+snake_head = right
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.QUIT:
+            # 接收到退出事件后退出程序
+            exit() 
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != 'left':
+                setheading = 'right' 
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading != 'right':
+                setheading = 'left'
+                snake_head = left
+            if event.key == locals.K_UP and setheading != 'down':
+                setheading = 'up'
+                snake_head = up
+            if event.key == locals.K_DOWN and setheading != 'up':
+                setheading = 'down'
+                snake_head = down
+
+    if setheading == 'right':
+        x += 30
+    elif setheading == 'left':
+        x -= 30
+    elif setheading == 'up':
+        y -= 30
+    else:
+        y += 30
+
+    position.append((x,y))
+    position.pop(0)  #删除列表中的第一项
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(snake_head, (x , y))
+    
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])  #渲染身体
+
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+    FRSCLOCK.tick(3)  #帧数3
\ No newline at end of file

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import os
+import sys
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
 
 
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
 
 
+FRSCLOCK=pygame.time.Clock()   # 帧数
+
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
 
 
+x , y = 240 ,120  #蛇头的初始位置
+poistion = [(210, 120),(180, 120), (180, 90),(x , y)]
+setheading = 'right'
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
+        
+
+    
+
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    screen.blit(right, 360,300)
+    
+    
+    screen.blit(body , poistion[i])
+
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
-    pygame.display.update()
+    pygame.display.update()
\ No newline at end of file
+    FRSCLOCK.tick(3)  #帧数3
\ No newline at end of file