scratch.dib

#!meta

{"kernelInfo":{"defaultKernelName":"csharp","items":[{"aliases":[],"name":"csharp"}]}}

#!csharp

#r "./Elements/src/bin/Debug/netstandard2.0/Hypar.Elements.dll"
#r "nuget:glTF2Loader, 1.1.3-alpha"
#r "nuget:Unofficial.LibTessDotNet, 2.0.0"
#r "nuget:SixLabors.Fonts, 1.0.0-beta19"
#r "nuget:SixLabors.ImageSharp, 2.1.4"
#r "nuget:SixLabors.ImageSharp.Drawing, 1.0.0-beta15"

#!csharp

#!import "./Elements/src/extension.dib"

#!csharp

using Elements.Geometry;

private IndexedPolycurve CreateTestPolycurve()
{
    var arc = new Arc(new Vector3(0.5, 1), 0.5, 0, 180);
    var a = new Vector3(1, 0, 0);
    var b = new Vector3(1, 1, 0);
    var c = arc.Mid();
    var d = new Vector3(0, 1, 0);
    var e = Vector3.Origin;
    var vertices = new[] { a, b, c, d, e };
    var indices = new[]{
        new[]{0,1},
        new[]{1,2,3},
        new[]{3,4}
    };

    return new IndexedPolycurve(vertices, indices);
}

#!csharp

using Elements.Geometry.Profiles;

var model = new Model();
var textData = new List<(Vector3 location, Vector3 facingDirection, Vector3 lineDirection, string text, Color? color)>();

// Line
var line = new Line(Vector3.Origin, new Vector3(1,1));
var lineMc = new ModelCurve(line, BuiltInMaterials.XAxis);
textData.Add((line.Start, Vector3.ZAxis, Vector3.XAxis, $"{line.Domain.Min:f2}", Colors.White));
textData.Add((line.End, Vector3.ZAxis, Vector3.XAxis, $"{line.Domain.Max:f2}", Colors.White));
model.AddElement(lineMc);

// Polyline
var pline = new Polyline(new Vector3(2,0), new Vector3(3,1), new Vector3(4, 0));
var plineMc = new ModelCurve(pline, BuiltInMaterials.YAxis);
foreach(var v in pline.Vertices)
{
    textData.Add((v, Vector3.ZAxis, Vector3.XAxis, $"{pline.GetParameterAt(v):f2}", Colors.White));
}
model.AddElement(plineMc);

// Polygon
var pgon = Polygon.Star(1,0.5,5).TransformedPolygon(new Transform(new Vector3(6,0,0)));
var pgonMc = new ModelCurve(pgon, BuiltInMaterials.ZAxis);
foreach(var v in pgon.Vertices)
{
    textData.Add((v, Vector3.ZAxis, Vector3.XAxis, $"{pgon.GetParameterAt(v):f1}", Colors.White));
}
model.AddElement(pgon);

// Indexed polycurve
var ipc = CreateTestPolycurve().TransformedPolycurve(new Transform(new Vector3(8,0,0)));
var ipcMc = new ModelCurve(ipc, BuiltInMaterials.XAxis);
textData.Add((ipc.PointAt(0), Vector3.ZAxis, Vector3.XAxis, "0", Colors.White));
textData.Add((ipc.PointAt(1), Vector3.ZAxis, Vector3.XAxis, "1", Colors.White));
textData.Add((ipc.PointAt(1.5), Vector3.ZAxis, Vector3.XAxis, "1.5", Colors.White));
textData.Add((ipc.PointAt(2), Vector3.ZAxis, Vector3.XAxis, "2", Colors.White));
textData.Add((ipc.PointAt(3), Vector3.ZAxis, Vector3.XAxis, "3", Colors.White));
model.AddElement(ipcMc);

// Arc
var arc = new Arc(Vector3.Origin, 1, 15, 270).TransformedArc(new Transform(new Vector3(0,-2,0)));
var arcMc = new ModelCurve(arc, BuiltInMaterials.XAxis);
textData.Add((arc.Start, Vector3.ZAxis, Vector3.XAxis, $"{arc.Domain.Min:f2}", Colors.White));
textData.Add((arc.End, Vector3.ZAxis, Vector3.XAxis, $"{arc.Domain.Max:f2}", Colors.White));
model.AddElement(arcMc);

// Ellipse
var ellipse = (EllipticalArc)(new EllipticalArc(Vector3.Origin, 1, 0.5, 15, 270)).Transformed(new Transform(new Vector3(3,-2,0)));
var ellipseMc = new ModelCurve(ellipse, BuiltInMaterials.XAxis);
textData.Add((ellipse.Start, Vector3.ZAxis, Vector3.XAxis, $"{ellipse.Domain.Min:f2}", Colors.White));
textData.Add((ellipse.End, Vector3.ZAxis, Vector3.XAxis, $"{ellipse.Domain.Max:f2}", Colors.White));
model.AddElement(ellipseMc);

// Fillets
var l = Polygon.L(1,1,0.5).TransformedPolygon(new Transform(new Vector3(5,-2.5)));
var fillet = l.Fillet(0.1);
var filletMc = new ModelCurve(fillet, BuiltInMaterials.EdgesHighlighted);
model.AddElement(filletMc);

// Bezier
var b = new Bezier(new List<Vector3>{
    Vector3.Origin,
    new Vector3(1,1,0),
    new Vector3(2,-1,0),
    new Vector3(3,1,0)
});
var t = new Transform(new Vector3(7, -2));

for(var i=0.0; i<=1.0; i+=0.2)
{
    textData.Add((t.OfPoint(b.PointAt(i)), Vector3.ZAxis, Vector3.XAxis, $"{i:f1}", Colors.White));
}
var bmc = new ModelCurve(b.TransformedBezier(t), BuiltInMaterials.YAxis);
model.AddElement(bmc);

var modelText = new ModelText(textData, FontSize.PT36);
model.AddElement(modelText);
DisplayModel(model, 1600,800)