public static void AppendMeshSO(DMeshSO appendTo, DMeshSO append)
{
FScene scene = appendTo.GetScene();
if (scene.IsSelected(appendTo))
{
scene.Deselect(appendTo);
}
if (scene.IsSelected(append))
{
scene.Deselect(append);
}
Frame3f f1 = appendTo.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale1 = appendTo.GetLocalScale();
Frame3f f2 = append.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale2 = append.GetLocalScale();
DMesh3 mesh1 = appendTo.Mesh;
DMesh3 mesh2 = append.Mesh;
foreach (int vid in mesh2.VertexIndices())
{
// convert point in mesh2 to scene coords
Vector3f v2 = (Vector3f)mesh2.GetVertex(vid);
v2 *= scale2;
Vector3f v2s = f2.FromFrameP(v2);
// transfer that scene coord into local coords of mesh1
Vector3f v2in1 = f1.ToFrameP(v2s);
v2in1 /= scale1;
mesh2.SetVertex(vid, v2in1);
if (mesh1.HasVertexNormals && mesh2.HasVertexNormals)
{
Vector3f n = mesh2.GetVertexNormal(vid);
Vector3f ns = f2.FromFrameV(n);
Vector3f ns2 = f1.ToFrameV(ns);
mesh2.SetVertexNormal(vid, ns2);
}
}
MeshEditor editor = new MeshEditor(mesh1);
editor.AppendMesh(mesh2);
appendTo.NotifyMeshEdited();
// [TODO] change record!
scene.RemoveSceneObject(append, false);
}