save project

my_Tetris.py

@@ -63,7 +63,7 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 14:
+                if center[1] < 15:
                     center[1] += 1
                 if check(center) == False:
                     center[1] -= 1
@@ -78,19 +78,28 @@ while True:
                     if check(center) == False:
                         center[0] -= 1
             elif event.key == locals.K_z:
+                o_ind=ind
                 if ind > 0:
                     ind-=1
                     current_shape = shape[ind]
                 else:
                     ind=len(shape)-1
                     current_shape = shape[ind]
+                if check(center) == False:
+                    ind=o_ind
+                    current_shape = shape[ind]
+        
             elif event.key == locals.K_x:
+                o_ind=ind
                 if ind < len(shape)-1:
                     ind+=1
                     current_shape = shape[ind]
                 else:
                     ind=0
                     current_shape = shape[ind]
+                if check(center) == False:
+                    ind=o_ind
+                    current_shape = shape[ind]
 
     # 将背景图画上去
     screen.blit(background, (0, 0))