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()
 
-# 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
 
-# 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
 food = pygame.image.load('apple.png')       # 食物 苹果
@@ -18,6 +16,8 @@ up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 
 x, y = 240, 120
+apple_x=0
+apple_y=0
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
@@ -26,7 +26,6 @@ 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()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading != "left":
@@ -42,7 +41,6 @@ while True:
                 setheading = 'down'
                 snake_head = down
 
-    # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -53,20 +51,21 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
-    # 将背景图画上去
+
+    if x == apple_x and y == apple_y:
+        apple_x=random.randint(0,22)
+        apple_y=random.randint(0,16)
     screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
-    if x=appie_x and y=apple_y:
-        x=rand
+
+    if x == apple_x and y == apple_y:
+        apple_x=random.randint(0,21)
+        apple_y=random.randint(0,15)
     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
-    pygame.display.update()
-    FPSCLOCK.tick(3)
+    screen.blit(food, (apple_x, apple_y))
 
-    
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file