save project

snake.py

@@ -12,26 +12,53 @@ T=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.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')
+
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 my_fort=pygame.font.Font("neuropol.ttf",18)
-
+setheading="right"
+shake_head=right
 score=0
 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" 
+                shake_head=right
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                shake_head=left
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up" 
+                shake_head=up
+            if event.key==locals.K_DOWN and setheading !="up":
+                setheading="down"
+                shake_head=down
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else :
+        y+=30 
     score+=score+10
     if x<0 or x>630 or y<0 or y>450:
         exit()
-    x=x+30
+
+    
     head.append((x,y))
     head.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, head[-1])
+    screen.blit(shake_head, head[-1])
     # 将贪吃蛇的身体画上去
     # screen.blit(body, (210, 120))
     # screen.blit(body, (180, 120))