public void UpdateLoop(EdgeLoop loop)
{
InputLoop = loop;
OutputLoop = null;
CurrentLoopE = new List <int>(loop.Edges);
CurrentLoopV = new List <int>(loop.Vertices);
}
public EdgeLoopRemesher(NGonsCore.geometry3Sharp.mesh.DMesh3 m, EdgeLoop loop) : base(m)
{
UpdateLoop(loop);
EnableFlips = false;
CustomSmoothF = loop_smooth_vertex;
}
public EdgeLoop(EdgeLoop copy)
{
Mesh = copy.Mesh;
Vertices = new int[copy.Vertices.Length];
Array.Copy(copy.Vertices, Vertices, Vertices.Length);
Edges = new int[copy.Edges.Length];
Array.Copy(copy.Edges, Edges, Edges.Length);
BowtieVertices = new int[copy.BowtieVertices.Length];
Array.Copy(copy.BowtieVertices, BowtieVertices, BowtieVertices.Length);
}
// Check if Loop2 is the same set of positions on another mesh.
// Does not require the indexing to be the same
// Currently doesn't handle loop-reversal
public bool IsSameLoop(EdgeLoop Loop2, bool bReverse2 = false, double tolerance = math.MathUtil.ZeroTolerance)
{
// find a duplicate starting vertex
int N = Vertices.Length;
int N2 = Loop2.Vertices.Length;
if (N != N2)
{
return(false);
}
NGonsCore.geometry3Sharp.mesh.DMesh3 Mesh2 = Loop2.Mesh;
int start_i = 0, start_j = -1;
// try to find a unique same-vertex on each loop. Do not
// use vertices that have duplicate positions.
bool bFoundGoodStart = false;
while (!bFoundGoodStart && start_i < N)
{
Vector3D start_v = Mesh.GetVertex(start_i);
int count = Loop2.CountWithinTolerance(start_v, tolerance, out start_j);
if (count == 1)
{
bFoundGoodStart = true;
}
else
{
start_i++;
}
}
if (!bFoundGoodStart)
{
return(false); // no within-tolerance duplicate vtx to start at
}
for (int ii = 0; ii < N; ++ii)
{
int i = (start_i + ii) % N;
int j = (bReverse2) ?
math.MathUtil.WrapSignedIndex(start_j - ii, N2)
: (start_j + ii) % N2;
Vector3D v = Mesh.GetVertex(Vertices[i]);
Vector3D v2 = Mesh2.GetVertex(Loop2.Vertices[j]);
if (v.Distance(v2) > tolerance)
{
return(false);
}
}
return(true);
}
protected override void end_pass()
{
OutputLoop = new EdgeLoop(mesh, CurrentLoopV.ToArray(), CurrentLoopE.ToArray(), false);
}