save project

snake.py

@@ -41,17 +41,8 @@ while True:
     if setheading=="right":
         x +=30
     elif setheading=="left":
-        x -=30
-    elif setheading=="up":
-        y -=30
-    else:
-        y +=30
-    h.append((x,y))
-    h.pop(0)
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(g,h[-1])
+        x -=3
+        
     # 将贪吃蛇的身体画上去
     for i in range(len(h)-1):
         screen.blit(body,h[i])