save project

snake.py

@@ -12,13 +12,40 @@ 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')
+right = pygame.image.load('right.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
 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()
-    # 将背景图画上去
+            if event.key == locals.KEYDOWN:
+                if event.key locals.k_RIGHT
+                setheading = "right"
+                snake_head = right
+                if event.key locals.k_RIGHT
+                setheading = "left"
+                snake_head = left
+                if event.key locals.k_RIGHT
+                setheading = "down"
+                snake_head = down
+                if event.key locals.k_RIGHT
+                setheading = "up"
+                snake_head = up
+               
+                if setheading == "right":
+                    x += 30
+                elif  setheading == "left":
+                    x -= 30
+                elif  setheading == "up":
+                    y -= 30
+                else:
+                    y += 30
+                
+
+                    
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
     screen.blit(right, (240, 120))
     screen.blit(right, (240, 120))