save project

snake.py

@@ -3,7 +3,6 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-setheading="right"
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
@@ -14,43 +13,19 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-up = pygame.image.load('up.png')
-left = pygame.image.load('left.png')
-down = pygame.image.load('down.png')
 fpsclock=pygame.time.Clock()
-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()
-        if 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_DOWN and setheading!="up":
-                setheading="down"
-                snake_head=down
-            if event.key==locals.K_UP and setheading!="down":
-                setheading="up" 
-                snake_head=up          
-    if setheading=="right":
-        x+=30
-    elif setheading=="left":
-        x-=30
-    elif setheading=="up":
-        y-=30
-    else:
-        y+=30
+    x+=30
     wz.append((x,y))
     wz.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, (x, y))
+    screen.blit(right, (x, y))
     # 将贪吃蛇的身体画上去
     for i in range(len(wz)-1):
         screen.blit(body,wz[i])