save project

snake.py

@@ -12,21 +12,47 @@ 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')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 x,y=240,120
 x,y=240,120
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
 admin=[(180,90),(180,120),(210,120),(x,y)]
 admin=[(180,90),(180,120),(210,120),(x,y)]
+setheadinng="right"
+sethead=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_LEFT and setheadinng!="right":
+                setheadinng="left"
+                sethead=left
+            if event.key==locals.K_RIGHT and setheadinng!="left":
+                setheadinng="right"
+                sethead=right
+            if event.key==locals.K_UP and setheadinng!="down":
+                setheadinng="up"
+                sethead=up
+            if event.key==locals.K_DOWN and setheadinng!="up":
+                setheadinng="down"
+                sethead=down
+    if setheadinng=="down":
+        y+=30
+    if setheadinng=="up":
+        y-=30
+    if setheadinng=="left":
+        x-=30
+    if setheadinng=="right":
         x+=30
         x+=30
+    
     admin.append((x,y))
     admin.append((x,y))
     admin.pop(0)
     admin.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,admin[-1])
+    screen.blit(sethead,admin[-1])
     for i in range(len(admin)-1):
     for i in range(len(admin)-1):
         screen.blit(body,admin[i])
         screen.blit(body,admin[i])
     # screen.blit(right, (x, y))
     # screen.blit(right, (x, y))