Volume 7 Number 2 (Feb. 2012)
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JSW 2012 Vol.7(2): 431-439 ISSN: 1796-217X
doi: 10.4304/jsw.7.2.431-439

Dynamic Simulation of Grass Field Swaying in Wind

Hang Qiu1, 2, Leiting Chen1, 2, Jim X. Chen3 and Yugang Liu1, 2
1School of Computer Science & Engineering, University of Electronic Science and Technology of China, Chengdu
2Sichuan Provincial Key Laboratory of Digital Media, Chengdu, China
3Department of Computer, George Mason University, Fairfax, USA

Abstract—Grass is an essential element of natural scenes, which plays an important role in various fields of applications, such as virtual reality, computer games and special effects of movie. Unfortunately, it is still difficult to render and animate grass with interactive frame rates due to the huge number and wide covering range of grass blades. Realistic simulation of dynamic grass field turns to be one of the most challenging topics in computer graphics. In this paper, we propose a method for dynamic simulation of grass field swaying in wind. The representation of large-scale grassland relies on three different levels of detail that reduce the rendering cost and still allow high-fidelity rendering of grass close to the viewer. To simulate real-time waggle of grasses, some physically based methods and procedural approaches are put forward according to different levels of detail. Experiments demonstrate that our method not only can realistically render the animated grass scenes in wind, but also can support the variable wind field.

Index Terms—natural scenes, grass field, levels of detail, billboard, dynamic simulation

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Cite: Hang Qiu, Leiting Chen, Jim X. Chen, and Yugang Liu, "Dynamic Simulation of Grass Field Swaying in Wind," Journal of Software vol. 7, no. 2, pp. 431-439, 2012.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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