save project

snake.py

@@ -10,54 +10,26 @@ screen = pygame.display.set_mode((660, 480))
 FPSCLOCK=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
+right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-right = pygame.image.load('right.png')
-left = pygame.image.load('left.png')
-up = pygame.image.load('up.png')
-down = pygame.image.load('down.png')
 
 x,y=240,120
 long=[(180, 90),(180, 120),(210, 120),(x,y)]
 
-setheading="right"
-snake_head=right
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        elif event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading!="left":
-                setheading="right"
-                snake_head=right
-            if event.key == locals.K_LEFT and setheading!="right":
-                setheading="left"
-                snake_head=left
-            if event.key == locals.K_UP and setheading!="down":
-                setheading="up"
-                snake_head=up
-            if event.key == locals.K_DOWN and setheading!="up": 
-                setheading="down" 
-                snake_head=down
-        
-    if setheading=="right":
     x+=30
-    elif setheading=="left":  
-        x-=30
-    elif setheading=="up":
-        y-=30
-    else:       
-        y+=30
-
     long.append((x,y))
     long.pop(0)
     
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(snake_head, long[-1])
+    screen.blit(right, long[-1])
     for i in range(len(long)-1):
         screen.blit(body,long[i])
     # 将贪吃蛇的身体画上去