save project

my_Tetris.py

@@ -77,8 +77,15 @@ while True:
                 center[0] = center[0]+1
                 if check(center)==False:
                     center[0]=center[0] - 1
-            elif 
-
+            elif event.key == locals.K_UP:
+                old_index = index
+                index += 1
+                if index>=len(shape):
+                    index=0
+                current_shape = shape[index]
+                if check(center)==False:
+                    index = old_index
+                    current_shape = shape[index]
     # 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