void VisualiseModel(ModelBase model)
{
Model = new MeshGeometry3D()
{
Positions = model.Positions,
Indices = model.Indices,
Normals = model.Normals,
TextureCoordinates = null,
Tangents = null,
BiTangents = null,
};
// визуализация граней
//var inxs = new IntCollection();
//model.Edges.ForEach(x => inxs.AddAll(x.Indices));
//Edges = new LineGeometry3D { Positions = model.Positions, Indices = inxs };
// визуализация граней Face
var inxs2 = new IntCollection();
model.Faces.ForEach(x => x.Edges.ForEach(x2 => inxs2.AddAll(x2.Indices)));
Edges = new LineGeometry3D {
Positions = model.Positions, Indices = inxs2
};
EdgesColor = Colors.Red;
}
public void VisualizeFigure(BaseModel m)
{
// визуализируем исходный контур
var(points, inxs) = GetContourPointAndInx(m);
LineGeometry3D lineGeom0 = new() { Positions = points, Indices = inxs, };
LineGeometryModel3D lines = new() { Geometry = lineGeom0, Color = Colors.Red, Thickness = 3 };
viewport.Items.Add(lines);
// визуализируем фигуру
m.Update();
var tmp = ToGeometry(m);
MeshGeometryModel3D model = new() { Geometry = tmp };
if (m.Error)
{
MessageBoxResult result = MessageBox.Show(m.ErrorStr);
}
else
{
// определяем различные цвета
var colorAlpha = 0.5f;
var material = blueOnlyCheckBox.IsChecked == true
? PhongMaterials.Blue
: materials[rnd.Next(0, materials.Count - 1)];
material.DiffuseColor = new Color4(material.DiffuseColor.ToVector3(), colorAlpha);
model.Material = material;
//model.CullMode = CullMode.Back;
model.IsTransparent = true;
viewport.Items.Add(model);
}
// визуализируем ребра
var inxs2 = new IntCollection();
m.Edges.ForEach(x2 => inxs2.AddAll(x2.Indices));
m.Faces.ForEach(x => x.Edges.ForEach(x2 => inxs2.AddAll(x2.Indices)));
LineGeometry3D lineGeom = new() { Positions = m.Positions, Indices = inxs2, };
LineGeometryModel3D edge = new() { Geometry = lineGeom, Color = Colors.Black };
viewport.Items.Add(edge);
}
private MeshGeometry3D ToGeometry(BaseModel m)
{
var model = new MeshGeometry3D()
{
Positions = m.Positions,
Indices = m.Indices,
Normals = m.Normals,
TextureCoordinates = null,
Tangents = null,
BiTangents = null,
};
return(model);
}
private OrthographicCamera _ortoCam = new OrthographicCamera()
{
Position = new Point3D(100, 100, 100), LookDirection = new Vector3D(-100, -100, -100), UpDirection = new Vector3D(0, 0, 1), Width = 200, FarPlaneDistance = 1000
};