save project

snake.py

@@ -29,10 +29,13 @@ while True:
         if event.type==locals.KEYDOWN:
             if event.key == locals.K_RIGHT and setheading!="left":
                 setheading="right"
+                snack_head="right"
             if event.key==locals.k_LEFT and setheading!="right":
                 setheading="left"
+                snack_head="left"
             if event.key==locals.K_UP and setheading!="down":
                 setheading="up"
+                snack_head="up"
             if event.key==locals.K_DOWN and setheading!="up":
                 setheading="down"
     if setheading=="right":
@@ -42,14 +45,6 @@ while True:
     elif settheading=="up":
         y-=30
     else :
-        y+=0
-
-
-
-
-
-               
-            
      x+=30
     position.append((x,y))
     position.pop(0)
@@ -58,12 +53,12 @@ while True:
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, (x, y))
-    for i in range(len(position-1)):
-        screen.blit(body,position[i])
     # 将贪吃蛇的身体画上去
     #screen.blit(body, (210, 120))
     #screen.blit(body, (180, 120))
     #screen.blit(body, (180, 90))
+    for i in range(len(position-1)):
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面