save project

snake.py

@@ -16,11 +16,29 @@ body = pygame.image.load('body.png')
 x,y = 240,120
 x,y = 240,120
 position = [(180,90),(180,120),(210,120),(x,y)]
 position = [(180,90),(180,120),(210,120),(x,y)]
 
 
+setheading = "right"
 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'
+            if event.key == locals.K_LEFT and setheading !="right":
+               setheading = 'left'     
+            if event.key == locals.K_UP and setheading !="down": 
+               setheading = 'up'
+            if event.key == locals.K_DOWN and setheading !="up":      
+               setheading = 'down'  
+    if setheading = 'right':
+        x += 30
+    elif setheading = 'left':
+        x -= 30 
+    elif setheading = 'up':
+        y -= 30 
+    else:
+        y += 30
     x=x+30
     x=x+30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)