save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -18,6 +19,8 @@ up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
+apple_x=360
+apple_y=300
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
@@ -25,6 +28,7 @@ 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()
@@ -42,6 +46,7 @@ while True:
                 setheading = 'down'
                 snake_head = down
 
+
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -51,18 +56,20 @@ while True:
         y -= 30
     else:
         y += 30
+
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     # 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
     for i in range(len(position)-1):
         screen.blit(body, position[i])
-
-    # 将果实画上去
-    screen.blit(food, (360, 300))
     # 刷新画面
+    screen.blit(food, (apple_x,apple_y))
     pygame.display.update()
     FPSCLOCK.tick(3)
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