raytracegroundup_v2.2_PLY_HierarchicalInstanceGrid_BunnyDragon_20170313

raytracegroundup_v2.2_PLY_HierarchicalInstanceGrid_Bunny,Dragon_20170313通过层级实例网格[HierarchicalInstanceGrids]可以在场景中画很多很多个图形。分别以StanfordBunny和StanfordDragon为基本几何图形生成相应的测试图形。