Reference TLine2

  TLine2 = record
  public
    { Scale both points of the line }
    class operator Multiply(const A: TLine2; B: Float): TLine2; overload;
    { Slope of the line }
    function Slope: TSlope2;
    { Normal heading of the line }
    function Normal: TVec2;
    { Find a point at a distance along the line }
    function FindPoint(Dist: Float): TVec2;
    { Total distance along the line }
    function Distance: Float;
    { Returns true if two lines intersect }
    function Intersects(const Line: TLine2): Boolean;
    P0: TVec2;
    P1: TVec2;
    P: array[0..1] of TVec2;
  end;