save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import random
 # 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()
 
 
@@ -10,23 +10,60 @@ screen = pygame.display.set_mode((660, 480))
 # 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')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.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')
-
+a_x=360
+a_y=300
+x=240
+y=120
+pos=[(180,90),(180,120),(210,120),(x,y)]
+t=pygame.time.Clock()
+head='right'
+tou=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()
+    if event.type==locals.KEYDOWN:
+        if event.key==locals.K_RIGHT and head!='left':
+            head='right'
+        if event.key==locals.K_LEFT and head!='right':
+            head='left'
+        if event.key==locals.K_UP and head!='down':
+            head='up'
+        if event.key==locals.K_DOWN and head!='up':
+            head='down'
+    if head=='right':
+        x+=30
+        tou=right
+    if head=='left':
+        x-=30
+        tou=left
+    if head=='up':
+        y-=30
+        tou=up
+    if head=='down':
+        y+=30
+        tou=down
+    pos.append((x,y))
+    pos.pop(0)
+    if x==a_x and y==a_y:
+        a_x=random.randint(0,22)*30
+        a_y=random.randint(0,16)*30
     # 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))
+    screen.blit(tou, (x, y))
     # 将贪吃蛇的身体画上去
     # 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))
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])
+    
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (a_x, a_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
+    t.tick(3)
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