save project

snake.py

@@ -15,15 +15,33 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
 kkkkk=[(180, 90),(180, 120),(210, 12),(x,y)]
+b="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 b !="left":
+                b="right"
+            if event.key== locals.K_RIGHT and b !="right":
+                b="left"
+            if event.key== locals.K_RIGHT and b !="up":
+                b="down"
+            if event.key== locals.K_RIGHT and b !="down":
+                b="up"                
+    if b=="right":
+        x+=30
+    elif b=="left":
+        x-=30    
+    elif b=="up":
+        y-=30    
+    else:
+        y+=30                
 
-    x+=30
     
-    kkkkk.append((x,y)
+    
+    kkkkk.append((x,y))
     kkkkk.pop(0)        
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -31,12 +49,7 @@ while True:
     screen.blit(right, kkkkk[-1])
     # 将贪吃蛇的身体画上去
     for i in range(len(kkkkk)-1):
-        screen.blit(body, (210, 120))
-
-
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+        screen.blit(body,kkkkk[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面