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一种大场景环境下降雪和积雪仿真的新方法

DOI: 10.11834/jig.20070930

Keywords: 粒子系统,降雪模拟,积雪模拟,噪声

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Abstract:

在分析已有的降雪和积雪模拟方法的基础上,提出了一种大场景环境下降雪和积雪模拟的新方法。将降雪和积雪过程看成雪景模拟的两个阶段,分别用不同的方法进行模拟。在降雪方面,引入粒子的旋转,粒子动态纹理和动态颜色等,提高了降雪模拟的真实性和灵活性;在积雪方面,引入噪声技术,解决了已有积雪模拟方法不能用于大场景模拟的问题。实验表明,降雪积雪模拟方法模拟效果真实,实时性良好,适合大场景尤其是飞行模拟系统中。

References

[1]  Reeves W T.Particle system-A technique for modeling a class of Fuzzy object[ J].Computer Graphics,1983,17(3):359~376.
[2]  Wang Run-jie,Tian Jing-quan,Ni Zheng-guo.Realtime simulation of rain and snow based on particle system[ J ].Journal of System Simulation,2003,15(4):495~496.[王润杰,田景全,倪政国.基于粒子系统的实时雨雪模拟[J].系统仿真学报,2003,15(4):495~496.]
[3]  Chen Lei,Chen He-xin,Wang Run-jie,et al.Real time snow simulation in flight simulator[ J ].Journal of Jilin University (Engineering and Technology Edition),2005,35 (2):164~166.[陈蕾,陈贺新,王润杰等.在飞行模拟器中实现雪的实时模拟[J].吉林大学学报(工学版),2005,35(2):164~166.]
[4]  Moeslund T B,Madsen C B,Asgard M.et al.Modeling falling and accumulating snow[ A ].In:Proceeding of Second International Conference on Vision,Video and Graphics[ C ],Heriot-Watt University,Edinburgh,UK,2005:61~68.
[5]  Wu Jia-zhu,Dang Gang,Liu Hua-feng,et al.Scene simulation technology and aplication[ M].Xi\'an:Xidian University Press,2001:70~71.[吴家铸,党岗,刘华峰等.视景仿真技术及其应用[M].西安:西安电子科技大学出版社,2001:70~71.]
[6]  Xie Jian-bin,Hao Jian-bin.The real time simulating algorithm of rain and snow descending based on particle systems[ J].Journal of Image and Graphics,1999,4(9):734~737.[谢剑斌,郝建斌.基于粒子系统的雨点和雪花降落模拟生成[J].中国图象图形学报,1999,4(9):734~737.]
[7]  Paul Fearing.Computer modeling of fallen snow[ A ].In:Proceedings of the 27th Annual Conference on Computer Graphics and Interactive Techniques[C],New Orleans,LA,USA,2000:37~46.
[8]  Haglund,Mattias Andersson,Anders Hast.Snow accumulation in real-time[ A].In:SIGRAD2002,The Annual SIGRAD Conference,Special Theme-Special Effects and Rendering[ C ],Norrk(o)ping,Sweden,2002:28~29.
[9]  Microsoft,Flight Simulator 2004:A Century of Flight[ CP].http://www.microsoft,com/games/pc/flightsimulator,aspx,2003-07-10.
[10]  Xue Jun-tao,He Huai-qing,Zhang Yu-xiang,et al.Research on approach of texture mapping implementation[ J ].Computer Engineering,2005,31(7):211~214.[薛军涛,贺怀清,张宇翔等.典型纹理映射实现方法研究[J].计算机工程,2005,31(7):211~214.]

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