Nor: Uses the direction of the normal vector as coordinates. This is very useful when creating certain special effects (see below).

法向：使用法向量的方向作为坐标。这在创建某些特效时非常有用（见下文）。

youdao

Nor: Uses the direction of the normal vector as coordinates. This is very useful when creating certain special effects (see below).

法向：使用法向量的方向作为坐标。这在创建某些特效时非常有用（见下文）。

youdao