save project

snake.py

 import pygame
 import pygame
+import random
 from pygame import locals
 from pygame import locals
 a=pygame.time.Clock()
 a=pygame.time.Clock()
  
  
@@ -19,6 +20,8 @@ body = pygame.image.load('body.png')
 x,y=240,120
 x,y=240,120
 eva="right"
 eva="right"
 ave=right
 ave=right
+apple_x=360
+apple_y=300
 while True:
 while True:
     if eva=="right" :
     if eva=="right" :
         x+=30
         x+=30
@@ -46,6 +49,9 @@ while True:
             if event.type == locals.K_RIGHT and eva!="left":
             if event.type == locals.K_RIGHT and eva!="left":
                 eva="right"
                 eva="right"
                 ave=right
                 ave=right
+    if apple_x==x and apple_y==y:
+        apple_y=30*random(1,16)-30
+        apple_x=30*random(1,22)-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
@@ -55,7 +61,7 @@ while True:
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 120))
     screen.blit(body, (180, 90))
     screen.blit(body, (180, 90))
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     a.tick(3)
     a.tick(3)