【摘要】 入口是存在于小区中的一类特殊的多边形。由于入口算法简单高效,可以很容易实现室内场景的隐藏面消除。本文首先介绍了入口技术及其算法,然后给出了其在室内实时三维引擎中的具体应用,最后提出了若干改进方案。更多还原

【Abstract】 Portal is a kind of special polygon in the Sector. It could be applied to the hidden surface removal in the indoor scene easily because of its simple but effective algorithm. This paper firstly gives an introduction to Portal and its algorithm. Then an application of it in the indoor real-time engine is illustrated. In the end some improving approaches are presented.更多还原