save project

snake.py

 import pygame
+import random
 from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
@@ -7,7 +8,7 @@ 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）
-
+m = 4
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')      # 头 朝右
@@ -16,10 +17,10 @@ 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
-
+apple_x,apple_y = 360,300
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+xx,yy = apple_x,apple_y
 setheading = "right"
 snake_head = right
 
@@ -51,6 +52,11 @@ while True:
         y -= 30
     else:
         y += 30
+    if x == xx and y == yy:
+        apple_x = random.randint(1,22)
+        apple_y = random.randint(1,16)
+        xx,yy = apple_x*30,apple_y*30
+        screen.blit(body,position[i])
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去
@@ -62,7 +68,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (xx,yy))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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