public CircleFeatureVisual(CircleFeatureCurve featureCurve, double thickness = 0.01)
{
Contract.Requires(thickness > 0);
Contract.Requires(featureCurve != null);
Contract.Ensures(object.ReferenceEquals(featureCurve, FeatureCurve));
this.featureCurve = featureCurve;
this.thickness = thickness;
var emissiveMaterial = new EmissiveMaterial();
emissiveMaterial.Bind(
EmissiveMaterial.BrushProperty,
() => featureCurve.IsSelected,
isSelected => isSelected ? Brushes.DarkOrange : Brushes.Black);
var material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial {
Brush = Brushes.Black
});
material.Children.Add(emissiveMaterial);
model3d = new GeometryModel3D();
model3d.Material = model3d.BackMaterial = material;
Content = model3d;
Update();
}
private static EmissiveMaterial CreateEmissiveMaterial(SnappedPrimitive snappedPrimitive)
{
var frontEmissivePart = new EmissiveMaterial();
frontEmissivePart.Bind(
EmissiveMaterial.BrushProperty,
() => snappedPrimitive.IsSelected,
flag => flag ? Brushes.LightGray : Brushes.Gray);
return(frontEmissivePart);
}