save project

snake.py

 import pygame
 from pygame import locals
-
+import random
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -16,13 +16,12 @@ body = pygame.image.load('body.png')        # 身体
 left = pygame.image.load('left.png')        # 头 朝左
 up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
-
-x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
-setheading = "right"
+setheading = 'right'
 snake_head = right
-
+x , y = 240, 120
+apple_X , apple_Y = 360,300
+FPS = pygame.time.Clock()
+position = [(180, 90), (180, 120), (210, 120), (x, y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -51,10 +50,15 @@ 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
     screen.blit(background, (0, 0))
+    
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去