auto save

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+import random                 # 导入random模块
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
@@ -19,6 +20,9 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 
 x, y = 240, 120
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
+# 设置变量保存苹果横纵坐标
+apple_x = 360             # 苹果横坐标360
+apple_y = 300             # 苹果纵坐标300
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
@@ -52,6 +56,11 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+    # 贪吃蛇吃到苹果
+    # if判断蛇x坐标相等于苹果x坐标和蛇y坐标相等于苹果y坐标
+    if x == apple_x and y == apple_y:
+        apple_x = random.randint(0, 660)# 苹果x坐标出现在随机坐标0到660
+        apple_y = random.randint(0, 480)# 苹果y坐标出现在随机坐标0到480
     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))
@@ -62,7 +71,7 @@ while True:
         screen.blit(body, position[i])
         screen.blit(body, position[i])
 
 
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
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