save project

my_Tetris.py

@@ -56,15 +56,22 @@ while True:
         if event.type == locals.QUIT:
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT:     # 向右
+            if event.key == locals.K_RIGHT: 
+                center[1] +=1 
+                if check(center)  ==False:
+                # 向右
                 if center[1] < 15:
                     center[1] += 1
             elif event.key == locals.K_LEFT:    # 向左
                 if center[1] > 1:
                     center[1] -= 1
+                    if check(center)==False:
+                        center[1]+=1
             elif event.key == locals.K_DOWN:    # 向下
                 if center[0] < 25:
                     center[0] += 1
+                    if check(center)==False:
+                        center[0]-=1
 
     # 将背景图画上去
     screen.blit(background, (0, 0))