save project

my_Tetris.py

@@ -72,7 +72,15 @@ while True:
                 center[0] += 1
                 if check(center)==False:
                     center[0] -= 1
-
+            elif event.key == locals.K_UP:
+                olda2=a2
+                a2+=1
+                if a2 >=len(a1):
+                    a2=0
+                a3=a1[a2]
+                if check(center)==False:
+                    a2=olda2
+                    a3=a1[a2]
     # 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