save project

snake.py

 import pygame
 import pygame
+import random as r
 from pygame import locals
 from pygame import locals
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
@@ -15,7 +16,8 @@ body = pygame.image.load('body.png')
 up = pygame.image.load('up.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
 down = pygame.image.load('down.png')
 left = pygame.image.load('left.png')
 left = pygame.image.load('left.png')
-
+a_x=360
+a_y=300
 s="right"
 s="right"
 s_h=right
 s_h=right
 x=240
 x=240
@@ -48,7 +50,13 @@ while True:
     else:
     else:
         y-=30
         y-=30
     pos.append((x,y))
     pos.append((x,y))
-    pos.pop(0)
+    if x==a_x and y==a_y:
+        y1=r.randint(0,15)
+        x2=r.randint(0,21)
+        a_x=x2*30
+        a_y=y1*30
+    else:
+        pos.pop(0)
     # 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
@@ -57,7 +65,7 @@ while True:
     for i in range(len(pos)-1):
     for i in range(len(pos)-1):
         screen.blit(body,pos[i])
         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()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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