基于粒子系统的火箭飞行特效仿真的研究  

Research of Specific Simulation in Launch Vehicle flight

作　　者：闫贵佳[1] 庄万玉[1] 张光伟[1] 

机构地区：[1]电子科技大学机械电子工程学院,四川成都610054

出　　处：《微计算机信息》2008年第34期216-218,共3页Control & Automation

摘　　要：基于粒子系统的特效仿真是运载火箭飞行可视化仿真中的重要环节。本文针对运载火箭飞行仿真中喷射火焰实时仿真难于实现的问题,对基于粒子系统的火箭喷射火焰动态模拟进行了研究。通过对火箭喷射火焰细节、特点的分析,建立了粒子系统的数据结构。详细介绍了算法的具体细节和关键技术,其中包括粒子的初始化和粒子发射器的初始化、粒子系统的更新。最后利用Billboard技术、OpenGL纹理映射等计算机技术实现了具有较强真实感的火箭飞行喷射火焰的实时仿真。Specific simulation on the particle system is a very important part of the Launch Vehicle real-time flight visual simulation system. In this paper, the real-time vehicle jet fire simulation based on particle system was searched, which solved the problems that the real-time fire simulation was difficult to be realized in launch vehiele flight simulation. By analysis of vehicle jet fire eharaeteristics, that the data structure was founded. The details and key techniques of algorithm were particular introduced, which included the initialization for particle and particle emitter and the update for particle system. Finally, strong third dimension real-time simulation of vehicle flight jet fire was realized by Billboard technique and OpenGL grain mapping.

关 键 词：粒子系统 火焰仿真 粒子发射器 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]