alongLineAngleMoveDistancePt alongLineNormalDir alongLineNormalMoveDistancePt Angle Distance Distance FromPolar GetAngle IsEqual IsLess IsNull Length moveAlongLine Negate Normalize operator* operator* operator*= operator+ operator+ operator+= operator- operator- operator-= operator/ operator/= operator= operator== Perpendicular perpendicularPointOnLine ProjectToLine Rotate Scale Set Sqr Vector2d Vector2d Vector2d Vector2d x y

alongLineAngleMoveDistancePt() Vector2d alongLineAngleMoveDistancePt ( const Vector2d &  rclP0, const Vector2d &  rclP1, double  angle, double  d  ) const 计算与直线 P0P1 夹角为 angle 的线上一点，使得该点到直线 P0P1 的距离为 d 计算与直线 P0P1 夹角为 angle 的线上一点，使得该点到直线 P0P1 的距离为 d。 参数 [in] rclP0 直线的起点 [in] rclP1 直线的终点 [in] angle 夹角（弧度） [in] d 距离 返回 计算得到的点