private static GeometryModel3D CreateVoxelModel3D(Voxel v)
{
const double size = 0.98;
var m = new GeometryModel3D();
var mb = new MeshBuilder();
mb.AddBox(new Point3D(0, 0, 0), size, size, size);
m.Geometry = mb.ToMesh();
m.Material = MaterialHelper.CreateMaterial(v.Colour);
m.Transform = new TranslateTransform3D(v.Position.X, v.Position.Y, v.Position.Z);
return m;
}
/// <summary>
/// Shows a preview voxel adjacent to the specified model (source).
/// If source is null, hide the preview.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="normal">The normal.</param>
public void PreviewVoxel(Model3D source, Vector3D normal = default(Vector3D))
{
if (PreviewModel != null)
Model.Children.Remove(PreviewModel);
PreviewModel = null;
if (source == null)
return;
if (!ModelToVoxel.ContainsKey(source))
return;
var v = ModelToVoxel[source];
var previewColor = Color.FromArgb(0x80, CurrentColor.R, CurrentColor.G, CurrentColor.B);
var pv = new Voxel(v.Position + normal, previewColor);
PreviewModel = CreateVoxelModel3D(pv);
Model.Children.Add(PreviewModel);
}