Hi,

part of my thesis is to implement character animation. So I'd like to contribute here and implement it. Problem is, Helix is rather big for a newcommer so I can't navigate in it much. Mainly I would need help with effects for vertex blending. If someone could explain how effects works in Helix, I'd be grateful.

Consequently with that, there should be another class for 3D character which uses that fx file. From what class should it inherit, how should it be designed?

I would greatly appreciate cooperiation from someone who could give me initial directions where to start, what to study. Regarding my knowledge, I have done most things from Frank Luna in Introduction to DirectX11.

Hello,

Is there a way to get the shortest distance between two Model3D objects in a ViewPort3D?

I found Method GetDistanceSquared(Point3D, Visual3D) and it partially do the job if I assign my Model3D to a Visual3D, but I don't have a Point as a reference but another Model3D.

//This is what I used to get the distance Point-Model

ModelVisual3D model = new ModelVisual3D();
model.Content = axis1;  //where axis1 is a Model3D
Distance.Content = Math.Sqrt(ElementSortingHelper.GetDistanceSquared(new Point3D(0, 0, 0), model));

I was thinking that I could get the shortest distance in between all the points from the first model compared with the second model but maybe there is a faster or simpler way to do it with a Method that I'm missing.

Thanks a lot.

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Hi, Using the example RectSelection I have a 3d viewport in which I can select my objects, which are BoxVisual3D.

What I need to do, is return the 3d position of the selected object. I have:

  foreach (var model in models)
            {
                var geometryModel = model as GeometryModel3D;
                if (geometryModel != null)
                {
                    geometryModel.Material = geometryModel.BackMaterial = material;

                    
                    //do stuff 
                    UserControl1.Point1Position = model.Transform; 
                    
                    UserControl1.returnPoint.X = model.Transform.Value.M14;
                    UserControl1.returnPoint.Y = geometryModel.Transform.Value.M24;
                    UserControl1.returnPoint.Z = geometryModel.Transform.Value.M34;
                }
            }

But the values always return as 0. (I spawn the box myself, so i know they are not 0.
When I step through, there is a selected object, but the transform reads as all zeros. How can i get the positin of a BoxVisual3D?

Thanks.

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Hi guys. I am really impressed by the instancing demo with boxes in SharpDX. I could use it in my project but I need to be able to set color of every box face individually. Does anybody know how should I approach it ? I could do it in WPF version but it looks tricky in this method. As there is a single model that is multiplied it is hard to apply various colors on every face. Any suggestion will be greatly appreciated.

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HI i have getting problem in model when i load my 3d model it shows blue color whereas my model has multiple color

here is my code

ModelVisual3D device3D;

private Model3D Display3d(string model)
{
Model3D device = null;
try
{
//Adding a gesture here
viewPort3d.RotateGesture = new MouseGesture(MouseAction.LeftClick);

//// Material material = new DiffuseMaterial(new SolidColorBrush(Colors.MediumOrchid));
// System.Windows.Media.Media3D.Material mat = MaterialHelper.CreateMaterial(
//new SolidColorBrush(Color.FromRgb(255, 255, 255)));
//Import 3D model file

////////////Material m = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255,255,255)));

//ModelImporter import = new ModelImporter();
var importer = new HelixToolkit.Wpf.ModelImporter();
var point = importer.Load(model);
//Load the 3D model file
//// import.DefaultMaterial = material;
//////////////////////////////import.DefaultMaterial = m;
GeometryModel3D mode = point.Children[0] as GeometryModel3D;
Material m = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255, 255, 255)));
//import.DefaultMaterial = mat;
//mat = import.DefaultMaterial;

//mode.Material = m;

// device = import.Load(model);
importer.DefaultMaterial = m;
device = point;

}
catch (Exception e)
{
// Handle exception in case can not file 3D model
MessageBox.Show("Exception Error : " + e.StackTrace);
}
return device;
}

and xaml code is here

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:fyp2"
mc:Ignorable="d"
d:DesignHeight="350" d:DesignWidth="525">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="12*"/>
<RowDefinition Height="163*"/>
</Grid.RowDefinitions>

<h:HelixViewport3D x:Name="viewPort3d" ZoomExtentsWhenLoaded="True" Margin="149,10,10,10" Grid.RowSpan="2" >
<!-- Remember to add light to the scene -->

<h:DefaultLights/>
</h:HelixViewport3D>
<ListView x:Name="imageList" HorizontalAlignment="Left" Height="330" Margin="10,10,0,0" VerticalAlignment="Top" Width="134" SelectionChanged="imageList_SelectionChanged" Grid.RowSpan="2"/>

</Grid>

When I want to load my .3ds file, I get an error:

You can see that the passed values for subFaces and faces are the same = 36.

This function is called here:

I think here is a bug. Can anyone help with this?