save project

snake.py

 import pygame
 import pygame
+
+import random
+
 from pygame import locals
 from pygame import locals
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
@@ -54,6 +57,12 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+    if x == apple_x and y ==apple_y:
+    num1 = random.randint(1,22)
+    num2 = random.randint(1,16)
+    apple_x = num1 * 30 - 30
+    apple_y = num2 * 30 - 30
+
     position.pop(0)
     position.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))
@@ -65,9 +74,7 @@ while True:
 
 
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (apple_x,apple_y)
     screen.blit(food, (apple_x,apple_y)
-    if x == apple_x and y ==apple_y:
-        apple_x = random.randint(0,660)
-        apple_y = random.randint(0,480)
+    
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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