save project

snake.py

@@ -15,11 +15,37 @@ body = pygame.image.load('body.png')
 x,y = 240,120
 position.append((x,y))
 position = [(180,90),(180,120),(210,120),(x,y)]
+setheading="down"
+snake_head=down
 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_UP and setheading != "down":
+                setheading = 'up'
+                snake_head = up
+            if event.key == locals.K_DOWN and setheading != "up":
+                setheading = 'down'
+                snake_head = down
+
+
+
+
+
+
+
+
+
+
     x += 30
     position.append((x,y))
     position.pop(0)