protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
DMesh3 mesh = new DMesh3(MakeRemeshedCappedCylinder(1.0), true);
AxisAlignedBox3d bounds = mesh.GetBounds();
List <IMesh> result_meshes = new List <IMesh>();
LaplacianMeshDeformer deformer = new LaplacianMeshDeformer(mesh);
// constrain bottom points
foreach (int vid in mesh.VertexIndices())
{
g3.Vector3d v = mesh.GetVertex(vid);
bool bottom = (v.y - bounds.Min.y) < 0.01f;
if (bottom)
{
deformer.SetConstraint(vid, v, 10);
}
}
// constrain one other vtx
int ti = MeshQueries.FindNearestTriangle_LinearSearch(mesh, new g3.Vector3d(2, 5, 2));
int v_pin = mesh.GetTriangle(ti).a;
g3.Vector3d cons_pos = mesh.GetVertex(v_pin);
cons_pos += new g3.Vector3d(0.5, 0.5, 0.5);
deformer.SetConstraint(v_pin, cons_pos, 10);
deformer.Initialize();
g3.Vector3d[] resultV = new g3.Vector3d[mesh.MaxVertexID];
deformer.Solve(resultV);
foreach (int vid in mesh.VertexIndices())
{
mesh.SetVertex(vid, resultV[vid]);
}
var rhinoMesh = GopherUtil.ConvertToRhinoMesh(mesh);
doc.Objects.AddMesh(rhinoMesh);
return(Result.Success);
}
// [RMS] this only tests some basic cases...
public static void test_LaplacianDeformation()
{
// compact version
DMesh3 mesh = new DMesh3(TestUtil.MakeRemeshedCappedCylinder(1.0), true);
Debug.Assert(mesh.IsCompact);
AxisAlignedBox3d bounds = mesh.GetBounds();
List <IMesh> result_meshes = new List <IMesh>();
LaplacianMeshDeformer deformer = new LaplacianMeshDeformer(mesh);
// constrain bottom points
foreach (int vid in mesh.VertexIndices())
{
Vector3d v = mesh.GetVertex(vid);
bool bottom = (v.y - bounds.Min.y) < 0.01f;
if (bottom)
{
deformer.SetConstraint(vid, v, 10);
}
}
// constrain one other vtx
int ti = MeshQueries.FindNearestTriangle_LinearSearch(mesh, new Vector3d(2, 5, 2));
int v_pin = mesh.GetTriangle(ti).a;
Vector3d cons_pos = mesh.GetVertex(v_pin);
cons_pos += new Vector3d(0.5, 0.5, 0.5);
deformer.SetConstraint(v_pin, cons_pos, 10);
result_meshes.Add(TestUtil.MakeMarker(mesh.GetVertex(v_pin), 0.2f, Colorf.Red));
deformer.Initialize();
Vector3d[] resultV = new Vector3d[mesh.MaxVertexID];
deformer.Solve(resultV);
foreach (int vid in mesh.VertexIndices())
{
mesh.SetVertex(vid, resultV[vid]);
}
result_meshes.Add(mesh);
TestUtil.WriteDebugMeshes(result_meshes, "___LAPLACIAN_result.obj");
}