save project

snake.py

@@ -6,27 +6,58 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
+x,y=120,120
 jishiqi=pygame.time.Clock()
+snake=[(60, 90),(60, 120),(90, 120),(x,y)]
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-x,y=120,120
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+left=pygame.image.load('left.png')
+fangxiang="right"
+tou= right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x+=30
+    if event.type == locals.KEYDOWN:
+        if event.key == locals.K_RIGHT and fangxiang !="left":
+            fangxiang = "right"
+            tou=right
+        if event.key == locals.K_LEFT and fangxiang !="right":
+            fangxiang = "left"
+            tou=left
+        if event.key == locals.K_DOWN and fangxiang !="up":
+            fangxiang = "down"
+            tou=down
+        if event.key == locals.K_UP and fangxiang !="down":
+            fangxiang = "up"
+            tou=up   
+    if fangxiang=="right":
+        x+=30
+    elif fangxiang=="left":
+        x-=30
+    elif fangxiang=="up":
+        y-=30
+    else:
+        y+=30
+
+    snake.append((x,y))
+    snake.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
+    screen.blit(tou, (x,y))
+    for i in range(len(snake)-1):
+        screen.blit(body,snake[i])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (90, 120))
-    screen.blit(body, (60, 120))
-    screen.blit(body, (60, 90))
+    # screen.blit(body, (90, 120))
+    # screen.blit(body, (60, 120))
+    # screen.blit(body, (60, 90))
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面