save project

snake.py

@@ -16,14 +16,37 @@ body = pygame.image.load('body.png')
 
 
 x,y = 240,120
 x,y = 240,120
 position = [(180,90),(190,120),(210,120),(x,y)]
 position = [(180,90),(190,120),(210,120),(x,y)]
-
+ 
+setheading = "right"
+snake_head = 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()
-    x += 30
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != "lefl":
+                setheading = 'lefl'
+                snake_head = lefl
+        if event.key == locals.K_RIGHT and setheading != "right":
+                setheading = 'right'
+                snake_head = right
+        if event.key == locals.K_RIGHT and setheading != "down":
+                setheading = 'down'
+                snake_head = down
+        if event.key == locals.K_RIGHT and setheading != "up":
+                setheading = 'up'
+                snake_head = up
+        
+    if setheading == "right":
+        x += 30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == "up":
+        y -= 30
+    else:
+        y += 30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)