save project

snake.py

@@ -12,21 +12,46 @@ 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')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+left=pygame.image.load('left.png')
 EPS=pygame.time.Clock()
 EPS=pygame.time.Clock()
 x,y=240,120
 x,y=240,120
 sankeList=[(180,90),(180,120),(210,120),(x,y)]
 sankeList=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+set_head=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
             # 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 setheading !='left':
+                setheading='right'
+                set_head=right
+            if event.key==locals.K_LEFT and setheading !='right':
+                setheading='left'
+                set_head=left
+            if event.key==locals.K_UP and setheading !='down':
+                setheading='up'
+                set_head=up
+            if event.key==locals.K_DOWN and setheading !='up':
+                setheading='down'
+                set_head=down
+    if setheading=="right":
         x+=30
         x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
     # 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
     sankeList.pop(0)
     sankeList.pop(0)
     sankeList.append((x,y))
     sankeList.append((x,y))
-    screen.blit(right, (x, y))
+    screen.blit(set_head, (x, y))
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     for i in range(len(sankeList)-1):
     for i in range(len(sankeList)-1):
         screen.blit(body,sankeList[i])
         screen.blit(body,sankeList[i])