save project

snake.py

+import random
 import pygame
 from pygame import locals
 
@@ -23,6 +24,8 @@ snake_head = right
 
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
+apple_x = 360
+apple_y = 300
 
 
 while True:
@@ -52,6 +55,10 @@ while True:
     elif setheading == 'down':
         y +=30
     position.append((x,y))
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0,660)
+        apple_y = random.randint(0,480)
+
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -61,7 +68,8 @@ while True:
     for i in range(len(position)-1):
         screen.blit(body, position[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()
-    FRSCLOCK.tick(3)
\ No newline at end of file
+    FRSCLOCK.tick(3)
+    
\ No newline at end of file