save project

snake.py

@@ -7,26 +7,65 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
+x,y=240,120
+zuobiao=[(180,90),(180,120),(210,120),(x,y)]
+
+FPS=pygame.time.Clock()
+
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
+head="right"
+_head_=right
+
 while True:
+    FPS.tick(3)
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and head!="left":
+                head="right"
+            if event.key==locals.K_LEFT and head!="right":
+                head="left"
+            if event.key==locals.K_UP and head!="down":
+                head="up"
+            if event.key==locals.K_DOWN and head!="up":
+                head="down"
+    if head=="right":
+        x+=30
+        _head_=right
+    elif head=="left":
+        x-=30
+        _head_=left
+    elif head=="up":
+        y-=30
+        _head_=up
+    else:
+        y+=30
+        _head_=down
+    zuobiao.append((x,y))
+    del zuobiao[0]
     # 将背景图画上去
     screen.blit(background, (0, 0))
+
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 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))
+    screen.blit(_head_, (x, y))
+    for i in range(len(zuobiao)-1):
+        screen.blit(body,zuobiao[i])
+    # # 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))
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    
\ No newline at end of file