///////////////////////////////////////////////////////////////////////////
#region [Merge}
/**
* Add all vertices/edges/faces from another mesh, and fix attributes if
* needed.
* Overriding attributes: vertex's id (of the first mesh only)
*/
public static void Merge(BMesh mesh, BMesh other)
{
var newVerts = new Vertex[other.vertices.Count];
int i = 0;
foreach (Vertex v in other.vertices)
{
newVerts[i] = mesh.AddVertex(v.point);
AttributeLerp(mesh, newVerts[i], v, v, 1); // copy all attributes
v.id = i;
++i;
}
foreach (Edge e in other.edges)
{
mesh.AddEdge(newVerts[e.vert1.id], newVerts[e.vert2.id]);
}
foreach (Face f in other.faces)
{
var neighbors = f.NeighborVertices();
var newNeighbors = new Vertex[neighbors.Count];
int j = 0;
foreach (var v in neighbors)
{
newNeighbors[j] = newVerts[v.id];
++j;
}
mesh.AddFace(newNeighbors);
}
}