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()
@@ -7,7 +8,8 @@ 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）
-
+apple_x=360
+apple_y=360
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -17,6 +19,8 @@ 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)]
 
@@ -41,7 +45,7 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
+    
     # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
@@ -53,6 +57,9 @@ while True:
         y += 30
     position.append((x, y))
     position.pop(0)
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,22)
+        apple_y=random.randint(0,16)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
@@ -62,7 +69,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (22*apple_x, 16*apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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