save project

snake.py

+import random
 import pygame
 from pygame import locals
 
@@ -5,7 +6,7 @@ from pygame import locals
 pygame.init()
 SB = pygame.time.Clock()
 # 创建一个窗口
-screen = pygame.display.set_mode((6600, 480))
+screen = pygame.display.set_mode((660, 480))
 
 # 背景
 background = pygame.image.load('bg.png')
@@ -21,6 +22,7 @@ x,y = 240,120
 a = [(180,90),(180,120),(210,120),(x,y)]
 se = 'ri'
 s_e = ri
+a_x,a_y = 360, 300 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -48,7 +50,9 @@ while True:
         y -= 30
     else:
         y += 30 
-
+    if x ==a_x and y == a_y:
+        a_x = random.randint(0, 660)
+        a_y = random.randint(0, 480)
     a.append((x,y))
     a.pop(0)
     # 将背景图画上去
@@ -59,7 +63,7 @@ while True:
     for i in range(len(a)-1):    
         screen.blit(body, a[i])
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (a_x, a_y))
     # 刷新画面
     pygame.display.update()
     SB.tick(10)
\ No newline at end of file