Reference TPolyline

  TPolyline = record
  public
    Ref: cpPolyline;
    class operator Implicit(const Value: TPolyline): cpPolyline; inline;
    class operator Implicit(const Value: cpPolyline): TPolyline; inline;
    { Create a polyline from points. When closed is true the first point is
      appended if it is not already the last point. }
    class function Create(const Points: array of TVec2; Closed: Boolean = False): TPolyline; static;
    { Free the polyline }
    procedure Free;
    { True if this refers to nothing }
    function IsNil: Boolean; inline;
    { Return a new copy of the polyline }
    function Copy: TPolyline;
    { Return a new polyline simplified using the Douglas-Peucker algorithm,
      which works well on smooth or gently curved shapes. The result is never
      farther than tol from the original. }
    function SimplifyCurves(Tol: Float): TPolyline;
    { Return a new polyline simplified by discarding flat vertices, which works
      well on straight edged or angular shapes. Tol is the minimum angle in
      radians of a vertex. }
    function SimplifyVertexes(Tol: Float): TPolyline;
    { Return a new closed polyline of the convex hull }
    function ToConvexHull(Tol: Float = 0): TPolyline;
    { Return a copy of the vertices }
    function ToArray: TArray<TVec2>;
    { The number of vertices }
    property Count: Integer read GetCount;
    { The vertices by index }
    property Vert[Index: Integer]: TVec2 read GetVert; default;
    { The address of the first vertex, which can be passed to NewPolygon }
    property Verts: PVec2 read GetVerts;
    { True if the last vertex joins the first }
    property Closed: Boolean read GetClosed;
  end;