save project

my_Tetris.py

@@ -7,6 +7,7 @@ grid_size = 20  # 格子大小
 grid_num_width = 15     # 横向格子数量
 grid_num_height = 25      # 纵向格子数量
 FPS = 30
+count=0
 
 # 创建窗口
 screen = pygame.display.set_mode((460, 500))
@@ -81,7 +82,13 @@ while True:
                     index=0
                 current_shape=shape[index] 
                 if check(center) == False:
-                    index=old_index       
+                    index=old_index
+                    current_shape=shape[index]
+    count+=1
+    if count % FPS ==0:
+        center[0] =center[0] + 1
+        if check(center) ==False:
+            center[0] = center[0]-1                   
 
     # 将背景图画上去
     screen.blit(background, (0, 0))