absoluteValue angle calFixedAngleAndDistanceAndOnLinePoint calFootOfPerpendicular Cross DistanceToLine DistanceToLineSegment DistanceToPlane Dot epsilon findPointOnLine GetAngle getDotProduct IsEqual IsNull IsOnLineSegment IsOnLineSide isParallelX isParallelY isParallelZ Length magnitude2D maximum minimum Move moveAlongLinePt MoveX MoveY MoveZ Normalize num_type operator!= operator% operator& operator* operator* operator*= operator+ operator+= operator- operator- operator-= operator/ operator/= operator< operator= operator= operator== operator[] operator[] Perpendicular ProjectToLine ProjectToPlane ProjectToPlane RotateX RotateY RotateZ Scale ScaleX ScaleY ScaleZ Set SetX SetY SetZ Sqr traits_type TransformToCoordinateSystem Vector3 Vector3 Vector3 x y z ~Vector3

DistanceToLineSegment() template<class _Precision > Vector3 DistanceToLineSegment ( const Vector3< _Precision > &  rclP1, const Vector3< _Precision > &  rclP2  ) const 计算当前向量到线段的距离 计算当前向量到线段的距离，并返回从当前点到线段最近点的向量。 参数 [in] rclP1 线段的起点 [in] rclP2 线段的终点 返回 返回一个表示从当前点到线段最近点的向量