/// <summary>
/// Builds the model.
/// </summary>
/// <returns>The model.</returns>
public Mesh3DGroup ToModel3D()
{
Mesh3DGroup modelGroup = null;
this.Dispatch(
() =>
{
modelGroup = new Mesh3DGroup();
int i = 0;
foreach (var mesh in this.Meshes)
{
var gm = new Object3D
{
Geometry = mesh.ToMesh(),
Material = this.Materials[i]
};
modelGroup.Add(gm);
i++;
}
});
return(modelGroup);
}
/// <summary>
/// Creates a Model3D object from the loaded file.
/// </summary>
/// <returns>A Model3D group.</returns>
public Object3DGroup BuildModel(ModelInfo info = default(ModelInfo))
{
Object3DGroup modelGroup = null;
modelGroup = new Object3DGroup();
var g = this.CreateMeshGeometry3D(info);
var gm = new Object3D() { Geometry = g, Material = PhongMaterials.DefaultVRML, Transform = Matrix.Identity, };
modelGroup.Add(gm);
return modelGroup;
}
/// <summary>
/// Create a Mesh, with found props
/// </summary>
/// <param name="positions"></param>
/// <param name="textureCoordinates"></param>
/// <param name="triangleIndices"></param>
/// <param name="normals"></param>
/// <param name="tangents"></param>
/// <param name="bitangents"></param>
/// <param name="material"></param>
private void CreateMesh(Vector3Collection positions, Vector2Collection textureCoordinates, IntCollection triangleIndices, out Vector3Collection normals, out Vector3Collection tangents, out Vector3Collection bitangents,Material material)
{
ComputeNormals(positions, triangleIndices, out normals);
if (textureCoordinates == null)
{
textureCoordinates = new Vector2Collection();
foreach(var pos in positions)
{
textureCoordinates.Add(Vector2.One);
}
}
MeshBuilder.ComputeTangents(positions, normals, textureCoordinates, triangleIndices, out tangents, out bitangents);
MeshGeometry3D mesh = new MeshGeometry3D()
{
Positions = positions,
Normals = normals,
TextureCoordinates = textureCoordinates,
Indices = triangleIndices,
Tangents = tangents,
BiTangents = bitangents
};
Object3D ob3d = new Object3D();
ob3d.Geometry = mesh;
ob3d.Material = material;
ob3d.Transform = Matrix.Identity;
ob3d.Name = "Default";
this.obGroup.Add(ob3d);
}
