save project

snake.py

@@ -11,23 +11,46 @@ screen = pygame.display.set_mode((660, 480))
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
+body = pygame.image.load('boyd.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 x,y=240,120
 FPSCLOCK=pygame.time.Clock()
 position=[(180,90),(180,120),(210,120),(x,y)]
 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
+          1  # 接收到退出事件后退出程序
            exit()
+        if even.type==locals.KEYDOWN
+            if event.key==locals.K_RIGHT:
+                setheading='right'
+                S_head=right
+            if event.key==locals.K_LEFT:
+                setheading='left'
+                S_head=left
+            if event.key==locals.K_UP:
+                setheading='up'
+                S_head=up
+            if event.key==locals.K_DOWN:
+                setheading='down'
+                S_head=down 
+    if setheading=='right'
+        x+=30
+    elif setheading=='right'
+        x-=30
+    elif setheading=='right'
+        y-=30
+    else:
+        y+=30          
     x+=30 
     position.append((x,y))
     position.pop(0)
-
     # 将背景图画上去
     screen.blit(background, (0,0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(S_head, (x, y))
     # 将贪吃蛇的身体画上去
     for i in range(len(position)-1):
         screen.blit(body,position[i])