However, if the walls were very simple (i.e. 2 triangles each) then it might make sense to clump all the wall triangles together to avoid having several 2 triangle meshes.

• 然而，如果墙壁是非常简单的(比如每个2个三角形)那么可以考虑将整个墙壁整合起来以避免出现几个拥有两个三角形的网格。