save project

snake.py

 import pygame
 from pygame import locals
+import random
 
 # 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))
-
+FPSCLOCK = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
 OKCLOCK=pygame.time.Clock()
-x=240
-y=120
+
+x,y=240,120
 yuhotui=[(180,90),(180,120),(210,120),(x,y)]
 
+setheading = "up"
+snake_haed = up
 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()
+        elif event.type==locals.KEYDOWN:
+
+            if event.key==locals.K_RIGHT and setheading!="left":
+                setheading="right"
+                snake_haed=right
+            if event.key==locals.K_UP and setheading!="down":
+                setheading="up"
+                snake_haed=up
+            if event.key==locals.K_LEFT and setheading!="right":
+                setheading="left"
+                snake_haed=left
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading="down"
+                snake_haed=down
+            if event.key==locals.K_SPACE:
+                OKCLOCK.tick(100)
+            else:
+                OKCLOCK.tick(3)
+    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)
+    
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -39,4 +76,4 @@ while True:
     x+=30
     yuhotui.append((x,y))
     yuhotui.pop(0)
-    OKCLOCK.tick(3)
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+    
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