save project

snake.py

@@ -59,6 +59,7 @@ while True:
         sb_y=random.randint(1,16)
         SB_x=sb_x*30-30
         SB1_y=sb_y*30-30
+        score=score+10
     else:
         position.pop(0)
     position.append((x, y))
@@ -77,6 +78,7 @@ while True:
     info="Score: "+str(score)
     text = my_font.render(info,True,(0,0,0))
     screen.blit(text,(0,0))
-    # 刷新画面
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(10)
\ No newline at end of file