save project

my_Tetris.py

@@ -71,8 +71,18 @@ while True:
                 if check(center) == False:
                     center[1]+=1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
+                center[0]+=1
+                if check(center) == False:
+                    center[0]-=1
+            elif event.key ==locals.K_UP:
+                old_indxt=index
+                index+=1
+                if index>=len(shape):
+                    index=0
+                current_shape=shape[index]   
+                if check(center)==False:
+                    index=old_indxt
+                    current_shape=shape[index]         
 
     # 将背景图画上去
     screen.blit(background, (0, 0))