save project

snake.py

 import pygame
 from pygame import locals
+import random
+apple_x=360
+apple_y=300
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -41,6 +44,7 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
+            
 
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
@@ -51,6 +55,9 @@ while True:
         y -= 30
     else:
         y += 30
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去
@@ -62,7 +69,7 @@ while True:
         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()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(6)
\ No newline at end of file