基于粒子系统的实时火焰绘制方法研究  

Research of real-time fire rending method based on particle system

作　　者：王巍[1] 辛国栋[2] 

机构地区：[1]哈尔滨工业大学计算机科学与技术学院,山东威海264209 [2]哈尔滨工业大学软件学院,山东威海264209

出　　处：《微计算机信息》2008年第13期292-294,共3页Control & Automation

基　　金：国家自然科学基金资助项目(90209020)

摘　　要：设计了粒子系统火焰模型,详细讨论了模型中粒子的属性及其变化。为了提高系统运行效率,采用四边形面片代替点光源粒子,结合纹理映射、Billboarding和alpha混合技术,使得火焰模型在实际应用中能满足实时性要求,同时保持较好的逼真效果。A fire model based on particle system is proposed. Particle＇s attributes and their evolvements are discussed. Several methods are used to promote the efficiency of system, such as adopting quadrangle to substituting particle of point light source, applying texture mapping technique, utilizing Billboarding and alpha amalgamation technology. The model can meet real-time and reality requirement in practical application.

关 键 词：粒子系统 纹理映射 公告板 alpha混合 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]