/// <summary>
/// Adds the a voxel adjacent to the specified model.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="normal">The normal.</param>
public void Add(Model3D source, Vector3D normal)
{
if (!ModelToVoxel.ContainsKey(source))
{
return;
}
var v = ModelToVoxel[source];
AddVoxel(v.Position + normal);
}
public void Remove(Model3D model)
{
if (!ModelToVoxel.ContainsKey(model))
{
return;
}
var v = ModelToVoxel[model];
Voxels.Remove(v);
UpdateModel();
}
public void UpdateModel()
{
Model.Children.Clear();
ModelToVoxel.Clear();
OriginalMaterial.Clear();
foreach (var v in Voxels)
{
var m = CreateVoxelModel3D(v);
OriginalMaterial.Add(m, m.Material);
Model.Children.Add(m);
ModelToVoxel.Add(m, v);
}
RaisePropertyChanged("Model");
}
/// <summary>
/// Highlights the specified voxel model.
/// </summary>
/// <param name="model">The model.</param>
public void HighlightVoxel(Model3D model)
{
foreach (GeometryModel3D m in Model.Children)
{
if (!ModelToVoxel.ContainsKey(m))
{
continue;
}
var v = ModelToVoxel[m];
var om = OriginalMaterial[m];
// highlight color
var hc = Color.FromArgb(0x80, v.Colour.R, v.Colour.G, v.Colour.B);
m.Material = m == model?MaterialHelper.CreateMaterial(hc) : om;
}
}
/// <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);
}