save project

Untitled-1.py.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -19,6 +20,8 @@ left = pygame.image.load('left.png')
 
 x,y = 240,120
 pos = [(180,90),(180,120,),(210, 120), (x, y)]
+apple_x = 360
+apple_y = 360
 setheading = 'right'
 snake_head = right
 while True:
@@ -46,19 +49,25 @@ while True:
         y-=30
     else:
         y+=30
+
+
+    screen.blit(background,(0,0))
     pos.append((x,y))
+    if x==apple_x and y==apple_y:
+        apple_x =  30*random.randint(0,630)
+        apple_y =  30*random.randint(0,450)
+    else:
         pos.pop(0)
-    screen.blit(background,(0,0))
-
 
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, pos[-1])  #
+
     # 将贪吃蛇的身体画上去
     for i in range(len(pos)-1):
         screen.blit(body, pos[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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