save project

my_Tetris.py

@@ -23,13 +23,20 @@ while True:
             exit()
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_RIGHT:
-                center[1] += 1
+                if center[1] < 15:
+                    center[1] += 1
             elif event.key == locals.K_LEFT:
-                center[1] -= 1
+                if center[1] > 1:
+                    center[1] -= 1
+            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,(255,0,0),(120,20,20,20),0)
-    pygame.draw.rect(screen,(255,255,255),(120,20,20,20),1)
+    pygame.draw.rect(screen, (255, 0, 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(x:350,y:70)
     text_surface = font.render(str(score),True,(0,0,0))
     screen.blit(text_surface,(350,70))