西安电子科技大学星火科创嘉年华庆典

Introduction

2020年12月5日，西安电子科技大学举办第32届“星火杯”大学生课外学术科技作品竞赛决赛暨星火科创嘉年华庆典。西电学子在科技创作中奋发向上，体现当代大学生的进取创新的标杆榜样。一同参与学习科学创作的最新成果。在交流讨论中迸发新的创意，共同推动科技进步。

On December 5, 2020, XiDIAN University held the 32nd "Spark Cup" College students extracurricular Academic Science and technology Works competition final and Spark Science and Technology Innovation Carnival celebration. Xd students strive to make progress in scientific and technological creation, which reflects the model of contemporary college students' enterprising innovation. Study the latest achievements of scientific creation together. In exchanges and discussions, new ideas will emerge to jointly promote scientific and technological progress.

Summary

弹幕发射器，是通过一个弹弓道具来将文字等信息发射到大屏上，弹弓里面装载有编辑器连通弹幕大屏，嘉宾编写好弹幕后，拉动弹弓即可将弹幕发射到大屏上。

Bullet screen launcher uses a slingshot prop to launch text and other information onto the screen. There is an editor in the slingshot to connect the bullet screen. After the guest has written the bullet screen, pull the slingshot to launch the bullet screen onto the screen.