save project

my_Tetris.py

@@ -72,11 +72,14 @@ while True:
                 if check(center) == False:
                     center[0]-=1
             elif event.key == locals.K_UP:
+                old_way=way
                 way +=1
                 if way >= len(shape):
                     way=0
                 current_shape=shape[way]
-
+                if check(center) == False:
+                    way=old_way
+                    current_shape=shape[way]
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 计算出所有小方块的行、列位置