Plane.SetNormalAndPosition 设置法线和位置

function SetNormalAndPosition (inNormal : Vector3, inPoint : Vector3) : void

Description描述

Sets a plane using a point that lies within it plus a normal to orient it (note that the normal must be a normalised vector).

设置平面上的点和法线的朝向（注意法线必须是规范化的向量）。