save project

my_Tetris.py

@@ -74,6 +74,15 @@ while True:
                 center[0] += 1
                 if check(center)==False:
                     center[0]-=1
+            elif event.key == locals.K_UP:    # 向下
+                oldindex=index
+                index+=1
+                if index >=len(a):
+                    index=0
+                    axy=a[index]
+                if check(center)==False:
+                    index=oldindex
+                    axy=a[index]
 
     # 将背景图画上去
     screen.blit(background, (0, 0))