Texture coordinates are named (s, t) in order to distinguish them from the (x, y) used for vertex positions (in literature, (u, v) is commonly used instead).

将纹理坐标命名为(s,t)是为了与用于表示顶点位置的(x,y)区分开来(从文字角度来讲，(u,v)更为常用)。

youdao

Texture coordinates are named (s, t) in order to distinguish them from the (x, y) used for vertex positions (in literature, (u, v) is commonly used instead).

将纹理坐标命名为(s,t)是为了与用于表示顶点位置的(x,y)区分开来(从文字角度来讲，(u,v)更为常用)。

youdao