save project

snake.py

@@ -8,7 +8,7 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 setheading="right"
-head="right"
+
 
 
 # 背景
@@ -19,21 +19,25 @@ body = pygame.image.load('body.png')
 left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
-
+snake_head=right
 FPSCLOCK=pygame.time.Clock()
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
-        if event.type == locals.KEYDOWN:
-            if event.key == .:
+        if event.type == locals.KEYDOWN :
+            if event.key == locals.K_UP and setheading != "down" :
                 setheading="up"
-            if event.key == K.KEY_DOWN:
+                snake_head=up
+            if event.key == locals.K_DOWN and setheading != "up":
                 setheading="down"
-            if event.key == K.KEY_RIGHT:
+                snake_head=down
+            if event.key == locals.K_RIGHT and setheading != "left":
                 setheading="right"
-            if event.key == K.KEY_LEFT:
+                snake_head=right
+            if event.key == locals.K_LEFT and setheading != "right":
                 setheading="left"
+                snake_head=left
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
@@ -50,7 +54,7 @@ while True:
     # 将贪吃蛇画上去
     position.append((x,y))
     position.pop(0)
-    screen.blit(right, position[3])
+    screen.blit(snake_head, position[3])
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])