public CoordinateSystemModel3D()
{
var builder = new MeshBuilder(true, false, false);
builder.AddArrow(Vector3.Zero, new Vector3(10, 0, 0), 1, 2, 10);
builder.AddArrow(Vector3.Zero, new Vector3(0, 10, 0), 1, 2, 10);
builder.AddArrow(Vector3.Zero, new Vector3(0, 0, 10), 1, 2, 10);
var mesh = builder.ToMesh();
this.Material = PhongMaterials.White;
axisBillboards[0] = new BillboardTextModel3D()
{
IsHitTestVisible = false
};
axisBillboards[1] = new BillboardTextModel3D()
{
IsHitTestVisible = false
};
axisBillboards[2] = new BillboardTextModel3D()
{
IsHitTestVisible = false
};
UpdateAxisColor(mesh, 0, AxisXColor.ToColor4());
UpdateAxisColor(mesh, 1, AxisYColor.ToColor4());
UpdateAxisColor(mesh, 2, AxisZColor.ToColor4());
Geometry = mesh;
CullMode = CullMode.Back;
}
/// <summary>
/// Use the render packages returned from the visualization manager to update the visuals.
/// The visualization event arguments will contain a set of render packages and an id representing
/// the associated node. Visualizations for the background preview will return an empty id.
/// </summary>
/// <param name="e"></param>
public void RenderDrawables(VisualizationEventArgs e)
{
//check the id, if the id is meant for another watch,
//then ignore it
if (e.Id != _id)
{
Attach();
NotifyPropertyChanged("");
return;
}
// Don't render if the user's system is incapable.
if (renderingTier == 0)
{
return;
}
#if DEBUG
renderTimer.Start();
#endif
Text = null;
var packages = e.Packages.Concat(e.SelectedPackages)
.Cast<HelixRenderPackage>().Where(rp=>rp.MeshVertexCount % 3 == 0);
var text = HelixRenderPackage.InitText3D();
var aggParams = new PackageAggregationParams
{
Packages = packages,
Text = text
};
AggregateRenderPackages(aggParams);
#if DEBUG
renderTimer.Stop();
Debug.WriteLine(string.Format("RENDER: {0} ellapsed for compiling assets for rendering.", renderTimer.Elapsed));
renderTimer.Reset();
renderTimer.Start();
#endif
//Helix render the packages in certain order. Here, the BillBoardText has to be rendered
//after rendering all the geometry. Otherwise, the Text will not get rendered at the right
//position. Also, BillBoardText gets attached only once. It is not removed from the tree everytime.
//Instead, only the geometry gets updated every time. Once it is attached (after the geometry), helix
// renders the text at the right position.
if (Text != null && Text.TextInfo.Any())
{
BillboardTextModel3D billboardText3D = new BillboardTextModel3D
{
Transform = Model1Transform
};
if (model3DDictionary != null && !model3DDictionary.ContainsKey("BillBoardText"))
{
model3DDictionary.Add("BillBoardText", billboardText3D);
}
var billBoardModel3D = model3DDictionary["BillBoardText"] as BillboardTextModel3D;
billBoardModel3D.Geometry = Text;
if (!billBoardModel3D.IsAttached)
{
billBoardModel3D.Attach(View.RenderHost);
}
}
else
{
if (model3DDictionary != null && model3DDictionary.ContainsKey("BillBoardText"))
{
var billBoardModel3D = model3DDictionary["BillBoardText"] as BillboardTextModel3D;
billBoardModel3D.Geometry = Text;
}
}
//This is required for Dynamo to send property changed notifications to helix.
NotifyPropertyChanged("");
}
private void CreateOrUpdateText(string baseId, Vector3 pt, IRenderPackage rp)
{
var textId = baseId + TextKey;
BillboardTextModel3D bbText;
if (Model3DDictionary.ContainsKey(textId))
{
bbText = Model3DDictionary[textId] as BillboardTextModel3D;
}
else
{
bbText = new BillboardTextModel3D()
{
Geometry = HelixRenderPackage.InitText3D(),
};
Model3DDictionary.Add(textId, bbText);
}
var geom = bbText.Geometry as BillboardText3D;
geom.TextInfo.Add(new TextInfo(HelixRenderPackage.CleanTag(rp.Description),
new Vector3(pt.X + 0.025f, pt.Y + 0.025f, pt.Z + 0.025f)));
}