save project

snake.py

@@ -8,28 +8,61 @@ pygame.init()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 x,y=240,120
+position=[(180,90),(180, 120),(210, 120),(x,y)]
 
 # 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"
+snake=right
+
 jishiqi=pygame.time.Clock()
 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()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and head !="left":
+                head="right"
+                snake=right
+            if event.key == locals.K_LEFT and head !="right":
+                head="left"
+                snake=left
+            if event.key == locals.K_UP and head !="down":
+                head="UP"
+                snake=UP
+            if event.key == locals.K_DOWN and head !="up":
+                head="down"
+                snake=down
+
     # 将背景图画上去
+    if head=="right":
         x+=30
+    elif head=="left":
+        x-=30
+    elif head=="up":
+        y-=30
+    else:
+        y+=30
+
+
+
+   
+    position.append((x,y))
+    position.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(snake, (x, y))
     # 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))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))