OurSonic.Level.Objects.LevelObjectPieceLayout.DrawUI C# (CSharp) Method

        public void DrawUI(CanvasRenderingContext2D canvas, bool showImages, int selectedPieceIndex, LevelObject levelObject)
        {
            canvas.Save();

            if (!showImages)
            {
                canvas.StrokeStyle = "#000000";
                canvas.LineWidth = 2;


                canvas.BeginPath();
                canvas.MoveTo(-1000, 0);
                canvas.LineTo(1000, 0);
                canvas.ClosePath();
                canvas.Stroke();

                canvas.BeginPath();
                canvas.MoveTo(0, -1000);
                canvas.LineTo(0, 1000);
                canvas.ClosePath();
                canvas.Stroke();
                for (var i = 1; i < Pieces.Count; i++)
                {
                    var j = Pieces[i];

                    canvas.BeginPath();
                    canvas.MoveTo(j.X, j.Y);
                    canvas.LineTo(Pieces[i - 1].X, Pieces[i - 1].Y);
                    canvas.Stroke();
                }
            }

            foreach (var levelObjectPieceLayoutPiece in Pieces)
            {
                if (showImages)
                {
                    LevelObjectPiece piece = levelObject.Pieces[levelObjectPieceLayoutPiece.PieceIndex];
                    var asset = levelObject.Assets[piece.AssetIndex];
                    if (asset.Frames.Count > 0)
                    {
                        var frm = asset.Frames[0];
                        frm.DrawUI(canvas,
                                   new Point(levelObjectPieceLayoutPiece.X - frm.OffsetX, levelObjectPieceLayoutPiece.Y - frm.OffsetY),
                                   false,
                                   false,
                                   false,
                                   false,
                                   piece.Xflip,
                                   piece.Yflip);
                    }
                }
                else
                {
                    CanvasGradient drawRadial;

                    drawRadial = SonicManager.Instance.mainCanvas.Context.CreateRadialGradient(0, 0, 0, 10, 10, 50);
                    drawRadial.AddColorStop(0, "white");
                    if (selectedPieceIndex == levelObjectPieceLayoutPiece.PieceIndex)
                        drawRadial.AddColorStop(1, "yellow");
                    else
                        drawRadial.AddColorStop(1, "red");

                    canvas.FillStyle = drawRadial;
                    canvas.BeginPath();
                    canvas.Arc(levelObjectPieceLayoutPiece.X, levelObjectPieceLayoutPiece.Y, 10, 0, Math.PI * 2, true);
                    canvas.ClosePath();
                    canvas.Fill();
                }

            }
            canvas.Restore();
        }