Populating virtual environments with crowd patches and rule-based method
Ye Yuan, Zhongke Wu, Mingquan Zhou
Proceedings of the 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry, 2012, pp. 239--246.
Abstract: Creating a lively virtual world is a hot topic tracked by many computer scientists. In this paper, we present a technique for designing and populating virtual environments in real time. The population is composed of many blocks containing a pre-computed local crowd simulation. Each block is called a crowd patch. Patches may contain static objects, moving objects, animals and pedestrians. The content of a patch can be constructed to meet various environments. By saving and re-using crowd patches the computation needs for building a virtual crowd is reduced. As for the special case that two or three people walk together, which has not been proposed in crowd patches, we use rule-based method to control the motion. We discuss issues that arise in designing crowd patches, algorithms for computing local motions, and solutions for simulating walking companions. At last, a city street with many pedestrians is created by assembling crowd patches.
@inproceedings{10.1145-2407516.2407574,
author = {Ye Yuan and Zhongke Wu and Mingquan Zhou},
title = {Populating virtual environments with crowd patches and rule-based method},
booktitle = {Proceedings of the 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in Industry},
pages = {239--246},
year = {2012},
}
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