save project

snake.py

@@ -4,6 +4,7 @@ from pygame import locals
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 s="right"
+
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 x=240
@@ -11,10 +12,14 @@ y=120
 zb=[(160,90),(180,120),(210,120),(x,y)]
 # 背景
 background = pygame.image.load('bg.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 G=pygame.time.Clock()
+a=right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -23,13 +28,17 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_UP  and  s!="down":
                 s="up"
+                a=up
             if event.key==locals.K_DOWN  and  s!="up":
                     s="down"
+                    a=down
             if event.key==locals.K_LEFT  and  s!="right":
                 s="left"
+                a=left
             if event.key==locals.K_RIGHT  and  s!="left":
                 s="right"
-    x=x+30
+                a=right
+    
 
     
     if s=="right":
@@ -46,7 +55,7 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(a, (x, y))
     for i in range(len(zb)-1):
         screen.blit(body,zb[i])
     # 将果实画上去