save project

snake.py

@@ -12,16 +12,41 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
-x,y=240,120
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+
+xright = pygame.image.load('right.png'),y=240,120
 position=[(180,90)(180,120)(210,120)(240,120)]
 position=[(180,90)(180,120)(210,120)(240,120)]
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             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_UP and setheading != "down":
+            setheading="up"
+            snake_head=up
+         if event.key==locals.K_DOWN and setheading != "up":
+            setheading="down"
+            snake_head=down
     position.append(x,y)
     position.append(x,y)
     position.pop(0)
     position.pop(0)
-    x+=30
+    if setheading="right":
+        x+=30
+    elif setheading="left":
+        x-=30
+    elif setheading="up":
+        y-=30
+    else:
+         setheading="down":
+        y+=30
     for i in range(len(position)-1)：
     for i in range(len(position)-1)：
         print(position[i])
         print(position[i])
     # 将背景图画上去
     # 将背景图画上去