save project

snake.py

@@ -23,16 +23,16 @@ while True:
             # 接收到退出事件后退出程序
             exit()
     if event.type == locals.KEYDOWN: 
-        if event.key==locals.K_UP and c!="down":
+        if event.key==locals.K_w and c!="down":
                 c="up"
                 d=up
-        if event.key==locals.K_DOWN and c!="up":
+        if event.key==locals.K_s and c!="up":
                 c="down"
                 d=do
-        if event.key==locals.K_RIGHT and c!="left":
+        if event.key==locals.K_a and c!="left":
                 c="right"
                 d=ri
-        if event.key==locals.K_LEFT and c!="right":
+        if event.key==locals.K_d and c!="right":
                 c="left"
                 d=le
     # 将背景图画上去\
@@ -40,7 +40,7 @@ while True:
     b.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    for i in range(len(b)-1):
+    for i in range(len(b)):
         screen.blit(d, (b[i]))
     # 将贪吃蛇的身体画上去
     if c=="left":