save project

my_Tetris.py

@@ -24,16 +24,21 @@ while True:
             exit()
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_RIGHT:
+                if center[1]<15:
                     center[1]+=1
-            if event.key==locals.K_LEFT:
+            elif event.key==locals.K_LEFT:
+                if center[1]>1:
                     center[1]-=1
-            if event.key==locals.K_DOWN:
+            elif event.key==locals.K_DOWN:
+                if center[0]<25:
                     center[0]+=1
 
     # 将背景图画上去
     screen.blit(background,(0,0))
-    pygame.draw.rect(screen,(0,255,0),(120,20,20,20),0)
-    pygame.draw.rect(screen,(0,0,0),(120,20,20,20),1)
+    pygame.draw.rect(screen,(0,255,0),
+                    (center[1]*20-20,center[0]*20-20,20,20),0)
+    pygame.draw.rect(screen,(255,255,255),
+                     (center[1]*20-20,center[0]*20-20,20,20),1)
     # 得分
     score_text=font.render(str(score),True,(0,0,0))
     screen.blit(score_text,(350,70))