【摘要】 <正> 0.引言真实感图形绘制算法在游戏场景和建筑效果图的绘制方面得到了广泛的应用。特别是辐射度算法能够生成逼真的明暗变化和颜色辉映效果,因而备受青睐。例如网络对战游戏Quake中的场景就是先经过辐射度算法处理后得到其中每个顶点的颜色,然后与其他纹理图案调制(Modulate)组合成最后的逼真效果的。由于经典的辐射度算法所需的计算量很大,因而许多学者在算法的计算效率上做了很多改进工作。例如传统层次辐射度算法把多边形聚集成集簇(Cluster),作为一个整体来辐射和接收光能,从而降低算法复杂度。最近提更多还原

【Abstract】 An algorithm is introduced which extends vector.based radiosity to be suitable for volume clusters. In this algorithm, the powers and surface areas of volume cluster are represented by vectors, which are used in a modified formula to compute the transferred light between volume clusters. This algorithm can utilize virtues of vector-based radiosity, without introducing complex hierarchy construction problem. And it is easy to be implemented in Object. Oriented paradigm.更多还原