save project

snake.py

 import pygame
 from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
+# 初始化pygame，为使用pygame做准备
 pygame.init()
 
 # 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
-
-# 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')
-
+screen = pygame.display.set_mode((660,480))
+fps=pygame.time.Clock()
+#载入图片
+bg=pygame.image.load('bg.png')
+apple=pygame.image.load('apple.png')
+snake=pygame.image.load('right.png')
+body=pygame.image.load('body.png')
+x=360
+y=300
+pos=[(300,270),(330,300),(360,300),(x,y)]
+heah='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
+        if event.type==locals.QUIT:
             exit()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 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))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
+        if event.type==locals.KEYDOWN:
+            if event.key==K_RIGHT and heah!='left':
+                heah='right'
+            if event.key==K_RIGHT and heah!='right':
+                heah='left'
+            if event.key==K_RIGHT and heah!='down':
+                heah='up'
+            if event.key==K_RIGHT and heah!='up':
+                heah='down'
+    x+=30
+    pos.append((x,y))
+    pos.pop(0)
+    screen.blit(bg,(0,0))
+    screen.blit(apple,(120,150))
+    screen.blit(snake,(x,y))
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
     pygame.display.update()
+    fps.tick(3)
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