// Add the model to the Model3DGroup.
private void DefineModel(Model3DGroup model_group)
{
// Make the normal and selected materials.
NormalMaterial = new DiffuseMaterial(Brushes.LightGreen);
SelectedMaterial = new DiffuseMaterial(Brushes.Red);
// Create some cubes.
for (int x = -5; x <= 3; x += 4)
{
for (int y = -5; y <= 3; y += 4)
{
for (int z = -5; z <= 3; z += 4)
{
// Make a cube with lower left corner (x, y, z).
MeshGeometry3D mesh = new MeshGeometry3D();
mesh.AddBox(x, y, z, 2, 2, 2);
GeometryModel3D model = new GeometryModel3D(mesh, NormalMaterial);
model_group.Children.Add(model);
// Remember that this model is selectable.
SelectableModels.Add(model);
}
}
}
// test cage adding
MeshGeometry3D cagemesh = new MeshGeometry3D();
cagemesh.AddCage(5, 5, 5, 2, 2, 2, 0.05);
var cagemodel = new GeometryModel3D(cagemesh, NormalMaterial);
model_group.Children.Add(cagemodel);
SelectableModels.Add(cagemodel);
// test cylinder adding
MeshGeometry3D cylindermesh = new MeshGeometry3D();
cylindermesh.AddSmoothCylinder(new Point3D(7, 7, 7), new Vector3D(1, 1, 1), 0.5, 20);
var cylindermodel = new GeometryModel3D(cylindermesh, NormalMaterial);
model_group.Children.Add(cylindermodel);
SelectableModels.Add(cylindermodel);
// test sphere adding
MeshGeometry3D spheremesh = new MeshGeometry3D();
spheremesh.AddSmoothSphere(new Point3D(8.5, 8.5, 8.5), Math.Sqrt(3 * 0.5 + 0.5 * 0.5), 20, 40);
var spheremodel = new GeometryModel3D(spheremesh, NormalMaterial);
model_group.Children.Add(spheremodel);
SelectableModels.Add(spheremodel);
// add cone
MeshGeometry3D conemesh = new MeshGeometry3D();
conemesh.AddCone(new Point3D(9, 9, 9), new Vector3D(1, 1, 1), 0.5, -0.2, 20);
var conemodel = new GeometryModel3D(conemesh, NormalMaterial);
model_group.Children.Add(conemodel);
SelectableModels.Add(conemodel);
// X axis.
MeshGeometry3D mesh_x = MeshExtensions.XAxisArrow(1, 7);
model_group.Children.Add(mesh_x.SetMaterial(Brushes.Red, false));
var forwardmodel = "前方".To3DLabel(new Point3D(8.5, 0.5, 0), new Vector3D(0, 0, 1), new Vector3D(0, 1, 0), Brushes.Red, 0.5);
model_group.Children.Add(forwardmodel);
// Y axis.
MeshGeometry3D mesh_y = MeshExtensions.YAxisArrow(1, 7);
model_group.Children.Add(mesh_y.SetMaterial(Brushes.Green, false));
var upmodel = "上方".To3DLabel(new Point3D(0, 8.5, 0), new Vector3D(0, 0, 1), new Vector3D(0, 1, 0), Brushes.Green, 0.5);
model_group.Children.Add(upmodel);
// Z axis.
MeshGeometry3D mesh_z = MeshExtensions.ZAxisArrow(1, 7);
model_group.Children.Add(mesh_z.SetMaterial(Brushes.Blue, false));
var rightmodel = "右方".To3DLabel(new Point3D(0, 0, 9), new Vector3D(0, 0, 1), new Vector3D(0, 1, 0), Brushes.Blue, 0.5);
model_group.Children.Add(rightmodel);
}