save project

lesson2-diy2.py

 import pygame
 from pygame import locals
+import random
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -19,15 +20,13 @@ down = pygame.image.load('down.png')
 
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+apple_x = 360
+apple_y = 360
 
 setheading = "right"
 snake_head = right
 
-while True:
-    for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
-            exit()
+while True
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
                   setheading = "right"
@@ -52,6 +51,11 @@ while True:
     else:
                                                                                                                                                                                                                                                                                                                                                                                                                                              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))