save project

snake.py

@@ -12,6 +12,9 @@ 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')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.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)]
 while True:
 while True:
@@ -19,6 +22,22 @@ while True:
         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.type==locals.KEYDOWN:
+            if event.key==locals.k_LEFT and setheading !="right":
+                setheading="left"
+                snake_head=left
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.k_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.k_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
     x+=30
     x+=30
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)