public static void split_tests_nonmanifold(int N = 100)
{
System.Console.WriteLine("split_tests_nonmanifold() starting");
Random r = new Random(31337);
NTMesh3 mesh = new NTMesh3();
int a = mesh.AppendVertex(Vector3d.Zero);
int b = mesh.AppendVertex(Vector3d.AxisZ);
for (int k = 0; k < 5; ++k)
{
int c = mesh.AppendVertex(TestUtil.RandomPoints3(1, r, Vector3d.Zero, 1)[0]);
int tid = mesh.AppendTriangle(new Index3i(a, b, c));
Debug.Assert(tid >= 0);
}
TestUtil.WriteTestOutputMesh(mesh.Deconstruct(), "nonmanifold_split_input.obj");
for (int k = 0; k < N; ++k)
{
int eid = r.Next() % mesh.EdgeCount;
if (!mesh.IsEdge(eid))
{
continue;
}
NTMesh3.EdgeSplitInfo splitInfo;
MeshResult result = mesh.SplitEdge(eid, out splitInfo);
Debug.Assert(result == MeshResult.Ok);
mesh.CheckValidity(FailMode.DebugAssert);
}
TestUtil.WriteTestOutputMesh(mesh.Deconstruct(), "nonmanifold_split_output.obj");
}
public virtual void MakeMesh(NTMesh3 m)
{
int nV = vertices.Count;
for (int i = 0; i < nV; ++i)
{
int vID = m.AppendVertex(vertices[i]);
Util.gDevAssert(vID == i);
}
int nT = triangles.Count;
if (WantGroups && groups != null && groups.Length == nT)
{
m.EnableTriangleGroups();
for (int i = 0; i < nT; ++i)
{
m.AppendTriangle(triangles[i], groups[i]);
}
}
else
{
for (int i = 0; i < nT; ++i)
{
m.AppendTriangle(triangles[i]);
}
}
}