save project

snake.py

@@ -14,19 +14,52 @@ 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")
+
+fgf="right"
+tupian=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_UP:
+                fgf="up"
+                #x-=30
+                tupian=up
+            if event.key == locals.K_DOWN:
+                fgf="down"
+                #x-=30
+                tupian=down
+            if event.key == locals.K_RIGHT:
+                fgf="right"
+                #x+=30       
+                tupian=right
+            if event.key == locals.K_LEFT:
+                fgf="left"
+                #x+=30       
+                tupian=left            
+
+    if fgf=="up":
+        y-=30
+    elif fgf=="down":
+        y+=30
+    elif fgf=="left":
+        x-=30
+    else: 
         x+=30
         x+=30
     pvj.append((x,y))
     pvj.append((x,y))
     pvj.pop(0)
     pvj.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))
+    screen.blit(tupian,pvj[3])
+
     for i in range(len(pvj)-1):
     for i in range(len(pvj)-1):
-        screen.blit(right,pvj[3])
+        
         screen.blit(body,pvj[i])
         screen.blit(body,pvj[i])
 
 
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去