public override void Calculate()
{
if (InputPorts[0].Data == null)
return;
// Use Tesselation Render Technique
_control.view1.RenderTechniquesManager = new TessellationTechniquesManager();
_control.view1.RenderTechnique = _control.view1.RenderTechniquesManager.RenderTechniques[TessellationRenderTechniqueNames.PNTriangles];
_control.view1.EffectsManager = new TessellationEffectsManager(_control.view1.RenderTechniquesManager);
// _control.view1.RenderTechniquesManager = new DefaultRenderTechniquesManager();
// _control.view1.RenderTechnique = _control.view1.RenderTechniquesManager.RenderTechniques[DefaultRenderTechniqueNames.Blinn];
// _control.view1.EffectsManager = new DefaultEffectsManager(_control.view1.RenderTechniquesManager);
_control.RemoveGeometryModels();
// Input is of Type GenericElement
if (InputPorts[0].Data != null && InputPorts[0].Data.GetType() == typeof(List<DtObject>))
{
var elements = InputPorts[0].Data as List<DtObject>;
// Loop the items of each list
foreach (var item in elements)
{
// Init the MeshBuilde
var mb = new MeshBuilder();
var points = item.AttributeGroups["geometry"].GetProperty("threejspoints") as List<Point3D>;
var indices = item.AttributeGroups["geometry"].GetProperty("geometryindices") as List<uint>;
var color = item.AttributeGroups["geometry"].GetProperty("color") is System.Drawing.Color
? (System.Drawing.Color) item.AttributeGroups["geometry"].GetProperty("color")
: new System.Drawing.Color();
var listIndices = indices.Select(value => (int) value).ToList();
for (var i = 0; i < indices.Count; i++)
{
switch (indices[i])
{
case 0:
mb.AddPolygon(new List<Vector3> {
new Vector3((float)points[listIndices[i]].X, (float)points[listIndices[i]].Y, (float)points[listIndices[i]].Z),
new Vector3((float)points[listIndices[i + 1]].X, (float)points[listIndices[i + 1]].Y, (float)points[listIndices[i + 1]].Z),
new Vector3((float)points[listIndices[i + 2]].X, (float)points[listIndices[i + 2]].Y, (float)points[listIndices[i + 2]].Z)
});
i = i + 3;
break;
case 1:
mb.AddPolygon(new List<Vector3> {
new Vector3((float)points[listIndices[i]].X, (float)points[listIndices[i]].Y, (float)points[listIndices[i]].Z),
new Vector3((float)points[listIndices[i + 1]].X, (float)points[listIndices[i + 1]].Y, (float)points[listIndices[i + 1]].Z),
new Vector3((float)points[listIndices[i + 2]].X, (float)points[listIndices[i + 2]].Y, (float)points[listIndices[i + 2]].Z),
new Vector3((float)points[listIndices[i + 3]].X, (float)points[listIndices[i + 3]].Y, (float)points[listIndices[i + 3]].Z)
});
i = i + 4;
break;
}
}
// for (var i = 0; i < indices.Count; i++)
// {
// switch (indices[i])
// {
// case 0:
// mb.AddTriangle(
// new Vector3((float)points[(int)indices[i]].X, (float)points[(int)indices[i]].Y, (float)points[(int)indices[i]].Z),
// new Vector3((float)points[(int)indices[i + 1]].X, (float)points[(int)indices[i + 1]].Y, (float)points[(int)indices[i + 1]].Z),
// new Vector3((float)points[(int)indices[i + 2]].X, (float)points[(int)indices[i + 2]].Y, (float)points[(int)indices[i + 2]].Z));
// i = i + 3;
// break;
// case 1:
// mb.AddQuad(
// new Vector3((float)points[(int)indices[i]].X, (float)points[(int)indices[i]].Y, (float)points[(int)indices[i]].Z),
// new Vector3((float)points[(int)indices[i + 1]].X, (float)points[(int)indices[i + 1]].Y, (float)points[(int)indices[i + 1]].Z),
// new Vector3((float)points[(int)indices[i + 2]].X, (float)points[(int)indices[i + 2]].Y, (float)points[(int)indices[i + 2]].Z),
// new Vector3((float)points[(int)indices[i + 3]].X, (float)points[(int)indices[i + 3]].Y, (float)points[(int)indices[i + 3]].Z));
// i = i + 4;
// break;
// }
// }
mb.ComputeNormalsAndTangents(MeshFaces.QuadPatches, true);
var meshGeometry = mb.ToMeshGeometry3D();
var meshGeomModel = new MeshGeometryModel3D
{
Geometry = meshGeometry,
Material = PhongMaterials.Red,
// Material = new PhongMaterial
// {
// AmbientColor = new Color4 { Alpha = color.A, Red = color.R, Blue = color.B, Green = color.G },
// // DiffuseColor = new Color4 { Alpha = color.A, Red = color.R, Blue = color.B, Green = color.G },
// // SpecularColor = new Color4 { Alpha = color.A, Red = color.R, Blue = color.B, Green = color.G },
// // EmissiveColor = new Color4 { Alpha = color.A, Red = color.R, Blue = color.B, Green = color.G },
// // SpecularShininess = 89.6f,
// },
Transform = new TranslateTransform3D()
};
// Add the Model to the viewport
base.VisualizeMesh(meshGeomModel);
}
}
else
{
base.Calculate();
}
}
/// <summary>
/// Creates a MeshGeometry3D object from the loaded file. Polygons are triangulated using triangle fans.
/// </summary>
/// <returns>
/// A MeshGeometry3D.
/// </returns>
public MeshGeometry3D CreateMeshGeometry3D(ModelInfo info = default(ModelInfo))
{
var mb = new MeshBuilder(info.Normals, info.Tangents);
foreach (var p in this.Vertices)
{
mb.Positions.Add(p);
}
foreach (var face in this.Faces)
{
mb.AddTriangleFan(face);
}
mb.ComputeNormalsAndTangents(info.Faces);
return mb.ToMeshGeometry3D();
}