save project

my_Tetris.py

@@ -70,7 +70,15 @@ while True:
                     center[1] = center[1]-1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
-                    center[0] = center[0]+1
+                    center[0] = center[0]-1
+            
+            elif event.key == locals.K_upi:
+                old_index
+                index+=1
+                if index>=len(shape)
+                    index=0
+                current_shape=shape[index]
+                if check(center)==False:
 
     # 将背景图画上去
     screen.blit(background, (0, 0))