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

IsOnLineSegment() template<class _Precision > bool IsOnLineSegment ( const Vector3< _Precision > &  startVct, const Vector3< _Precision > &  endVct  ) const 判断当前向量（表示一个点）是否位于由 startVct 和 endVct 定义的线段上 判断当前向量是否位于由 startVct 和 endVct 定义的线段上。 参数 [in] startVct 线段的起点 [in] endVct 线段的终点 返回 如果当前向量在两个参数定义的线段上，则返回 true，否则返回 false