protected DMesh3 MakeDebugGraphMesh()
{
DMesh3 graphMesh = new DMesh3();
graphMesh.EnableVertexColors(Vector3f.One);
foreach (int vid in Graph.VertexIndices())
{
if (TipVertices.Contains(vid))
{
MeshEditor.AppendBox(graphMesh, Graph.GetVertex(vid), 0.3f, Colorf.Green);
}
else if (TipBaseVertices.Contains(vid))
{
MeshEditor.AppendBox(graphMesh, Graph.GetVertex(vid), 0.225f, Colorf.Magenta);
}
else if (GroundVertices.Contains(vid))
{
MeshEditor.AppendBox(graphMesh, Graph.GetVertex(vid), 0.35f, Colorf.Blue);
}
else
{
MeshEditor.AppendBox(graphMesh, Graph.GetVertex(vid), 0.15f, Colorf.White);
}
}
foreach (int eid in Graph.EdgeIndices())
{
Segment3d seg = Graph.GetEdgeSegment(eid);
MeshEditor.AppendLine(graphMesh, seg, 0.1f);
}
return(graphMesh);
}
public static void test_levelset_basic()
{
//DMesh3 mesh = TestUtil.MakeCappedCylinder(false);
//MeshTransforms.Scale(mesh, 1, 3, 1);
DMesh3 mesh = TestUtil.LoadTestMesh(Program.TEST_FILES_PATH + "bunny_open_base.obj");
AxisAlignedBox3d bounds = mesh.CachedBounds;
float cellSize = (float)bounds.MaxDim / 32.0f;
MeshSignedDistanceGrid levelSet = new MeshSignedDistanceGrid(mesh, cellSize);
levelSet.Compute();
Vector3i dims = levelSet.Dimensions;
int midx = dims.x / 2;
int midy = dims.y / 2;
int midz = dims.z / 2;
//for ( int xi = 0; xi < dims.x; ++xi ) {
// System.Console.Write(levelSet[xi, yi, zi] + " ");
//}
for (int yi = 0; yi < dims.y; ++yi)
{
System.Console.Write(levelSet[midx, yi, midz] + " ");
}
System.Console.WriteLine();
DMesh3 tmp = new DMesh3();
MeshEditor editor = new MeshEditor(tmp);
for (int x = 0; x < dims.x; ++x)
{
for (int y = 0; y < dims.y; ++y)
{
for (int z = 0; z < dims.z; ++z)
{
if (levelSet[x, y, z] < 0)
{
Vector3f c = levelSet.CellCenter(x, y, z);
editor.AppendBox(new Frame3f(c), cellSize);
}
}
}
}
TestUtil.WriteTestOutputMesh(tmp, "LevelSetInterior.obj");
TestUtil.WriteTestOutputMesh(mesh, "LevelSetInterior_src.obj");
}