save project

snake.py

@@ -13,21 +13,40 @@ 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 x,y=240,120
 x,y=240,120
+dsb=[(210,120),(180,120),(180,90),(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
             exit()
             exit()
-    # 将背景图画上去
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != "left":
+                setheading = "right"
+                snake_head = right
+            if event.key == locals.K_RIGHT and setheading != "right":
+                setheading = "left"
+                snake_head = left
+            if event.key == locals.K_RIGHT and setheading != "up":
+                setheading = "down"
+                snake_head = down
+            if event.key == locals.K_RIGHT and setheading != "down":
+                setheading = "up"
+                snake_head = up
+    if setheading ==
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
     x+=30
     x+=30
+    dsb.append((x,y))
+    dsb.pop(0)
     screen.blit(right, (x, y))
     screen.blit(right, (x, y))
+    for i in range(0,len(dsb)-1):
+        screen.blit(body,dsb[i])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    len(dsb)
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面