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()
@@ -7,6 +8,8 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 x,y=240, 120
+food_x=360
+food_y=300
 aaa=[(180, 90),(180, 120),(210, 120),(x,y)]
 # 背景
 background = pygame.image.load('bg.png')
@@ -20,6 +23,7 @@ aa=pygame.time.Clock()
 setheading="right"
 snake_head=right
 
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -48,6 +52,9 @@ while True:
         y+=30
     aaa.append((x,y))
     aaa.pop(0)
+    if food_x==x and food_y==y:
+         food_x=random.randint(0,660)
+         food_y=random.randint(0,480)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -55,11 +62,9 @@ while True:
     # 将贪吃蛇的身体画上去
     for i in range(len(aaa)-1):
         screen.blit(body,aaa[i])
-    # screen.blit(body, (210, 120))
-    # screen.blit(body, (180, 120))
-    # screen.blit(body, (180, 90))
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (food_x, food_y))
+
     # 刷新画面
     pygame.display.update()
     aa.tick(4)
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