save project

snake.py

@@ -14,19 +14,44 @@ background = p.image.load('bg.png')
 right = p.image.load('right.png')
 right = p.image.load('right.png')
 food = p.image.load('apple.png')
 food = p.image.load('apple.png')
 body = p.image.load('body.png')
 body = p.image.load('body.png')
-
+left = p.image.load('left.png')
+up = p.image.load('up.png')
+down = p.image.load('down.png')
+si="right"
+sh=right
 while True:
 while True:
     for event in p.event.get():
     for event in p.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()
+        if event.type ==locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and si !="left":
+                si="right"
+                sh=right
+            if event.key == locals.K_LEFT and si !="right":
+                si="left"
+                sh=left
+            if event.key == locals.K_UP and si !="down":
+                si="up"
+                sh=up
+            if event.key == locals.K_DOWN and si !="up":
+                si="down"
+                sh=down
+    if si == "right":
         x+=30
         x+=30
+    elif si == "left":
+        x-=30
+    elif si == "up":
+        y-=30
+    else:
+        y+=30
+
     o.append((x,y))
     o.append((x,y))
     o.pop(0)
     o.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     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, o[-1])
+    screen.blit(sh, o[-1])
     for i in range(len(o)-1):
     for i in range(len(o)-1):
         screen.blit(body,o[i])
         screen.blit(body,o[i])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去