save project

my_Tetris.py

@@ -23,11 +23,11 @@ while True:
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             exit()
             exit()
         if event.type==locals.KEYDOWN:
         if event.type==locals.KEYDOWN:
-            if event.key==locals.K_RIGHT:
+            if event.key==locals.K_RIGHT and center[1]<15:
                 center[1]+=1
                 center[1]+=1
-            elif event.key==locals.K_LEFT:
+            elif event.key==locals.K_LEFT and center[1]>1:
                 center[1]-=1
                 center[1]-=1
-            elif event.key==locals.K_DOWN:
+            elif event.key==locals.K_DOWN and center[0]<25:
                 center[0]+=1
                 center[0]+=1
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background,(0,0))
     screen.blit(background,(0,0))