save project

snake.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+from random import randint
 
 
 # 初始化pygame，为使用硬件做准备
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 pygame.init()
@@ -18,7 +19,8 @@ up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 down = pygame.image.load('down.png')        # 头 朝下
 
 
 x, y = 240, 120
 x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
+position = [(180, 90),(180, 120),(210, 120),(x, y)]
+ax,ay = randint(0,21),randint(0,15)
 
 
 setheading = "right"
 setheading = "right"
 snake_head = right
 snake_head = right
@@ -29,6 +31,7 @@ while True:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
         if event.type == locals.KEYDOWN:
         if event.type == locals.KEYDOWN:
+            print(ax,ay)
             if event.key == locals.K_RIGHT and setheading != "left":
             if event.key == locals.K_RIGHT and setheading != "left":
                 setheading = 'right'
                 setheading = 'right'
                 snake_head = right
                 snake_head = right
@@ -53,6 +56,9 @@ while True:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
     position.pop(0)
     position.pop(0)
+    if x==ax*30 and y==ay*30:
+        ax,ay = randint(0,21),randint(0,15)
+        print(ax,ay)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
@@ -60,9 +66,9 @@ while True:
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
     for i in range(len(position)-1):
         screen.blit(body, position[i])
         screen.blit(body, position[i])
-
     # 将果实画上去
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (ax*30,ay*30))
+    
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(5)
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