save project

my_Tetris.py

@@ -62,15 +62,17 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:     # 向右
-                if center[1] < 15:
-                    center[1] += 1
+                center[1]=center[1]+1
+                if check(center) == False:
+                    center[1]=center[1]-1
             elif event.key == locals.K_LEFT:    # 向左
-                if center[1] > 1:
-                    center[1] -= 1
+                center[1]=center[1]-1
+                if check(center) == False:
+                    center[1]=center[1]+1
             elif event.key == locals.K_DOWN:    # 向下
-                if center[0] < 25:
-                    center[0] += 1
-
+                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))
     # 计算出所有小方块的行、列位置