public HelixToolkit.Wpf.Polygon3D ToHelixToolkit3D(double pOffset = 0)
{
HelixToolkit.Wpf.Polygon3D p = new HelixToolkit.Wpf.Polygon3D();
foreach (HciLab.Utilities.Mathematics.Core.Vector2 v in Points)
{
p.Points.Add(new System.Windows.Media.Media3D.Point3D(v.X, v.Y, pOffset));
}
return(p);
}
internal static MeshGeometry3D FillPolygon(HelixToolkit.Wpf.Polygon p, double pOffesetZ = 0)
{
List <Point3D> pts3D = new List <Point3D>();
foreach (var point in p.Points)
{
pts3D.Add(new Point3D(point.X, point.Y, pOffesetZ));
}
HelixToolkit.Wpf.Polygon3D p3 = new HelixToolkit.Wpf.Polygon3D(pts3D);
return(FillPolygon(p3));
}
public static GeometryModel3D Rect(double pX, double pY, double pWidth, double pHeight, Color pColor, double zOffset = 0)
{
HelixToolkit.Wpf.Polygon3D p = new HelixToolkit.Wpf.Polygon3D();
p.Points.Add(new Point3D(pX, pY, zOffset));
p.Points.Add(new Point3D(pX + pWidth, pY, zOffset));
p.Points.Add(new Point3D(pX + pWidth, pY + pHeight, zOffset));
p.Points.Add(new Point3D(pX, pY + pHeight, zOffset));
GeometryModel3D model = new GeometryModel3D();
model.Geometry = PolygonMash3D.FillPolygon(p);;
model.Material = new DiffuseMaterial(new SolidColorBrush(pColor));
return(model);
}
/// <summary>
/// For 3D polygons
/// </summary>
/// <param name="pPolygon"></param>
/// <returns></returns>
internal static MeshGeometry3D FillPolygon(HelixToolkit.Wpf.Polygon3D pPolygon)
{
try
{
HelixToolkit.Wpf.MeshBuilder meshBuilder = new HelixToolkit.Wpf.MeshBuilder(false, false);
HelixToolkit.Wpf.Polygon polygon = pPolygon.Flatten();
Int32Collection triangleIndexes = HelixToolkit.Wpf.CuttingEarsTriangulator.Triangulate(polygon.Points);
meshBuilder.Append(pPolygon.Points, triangleIndexes);
return(meshBuilder.ToMesh());
}
catch (System.InvalidOperationException exp)
{
return(null);
}
}
