/// <summary>
/// Remeshes specified mesh.
/// </summary>
/// <param name="mesh">The mesh to remesh</param>
/// <param name="toRemove">The number of triangles to remove.</param>
/// <param name="progress">The progress listener.</param>
private void Remesh(ref Mesh mesh, int toRemove, IProgressListener progress = null)
{
if (!(toRemove > mesh.Triangles.Count && mesh.Triangles.Count > 10))
{
throw new ArgumentOutOfRangeException("toRemove", toRemove, "Invalid triangle count");
}
progress.OnStart("Remeshing using AngleSum Error Metric");
var triangles = mesh.Triangles;
var vertices = mesh.Vertices;
if (triangles.Count <= toRemove)
{
progress.OnComplete("Failed. Too many triangles to remove");
}
//int toRemove = (int)((m_Removed) * triangles.Count);
int triangleLimit = triangles.Count - toRemove;
foreach (var v in vertices)
{
UpdateVertexCost(v);
}
#if false // Adding mesh border penalty.
foreach (var v in vertices)
{
// Border vertices has no more that 5 neighbors
if (v.Neighbors.Count <= 4)
{
v.Cost += 1.0;
}
}
#endif
int index = 0;
while (triangles.Count > triangleLimit)
{
var min = mesh.Vertices.Min();
if (mesh.JoinToNearestByCost(min, Mesh.JoinPositionType.Source))
{
UpdateVertexCost(min);
UpdateVertexNeighborsCost(min);
progress.OnProgress(vertices.Count, triangles.Count);
index += 2;
}
}
progress.OnComplete("End of remeshing using AngleSum Error Metric");
}
/// <summary>
/// Remeshes specified mesh.
/// </summary>
/// <param name="mesh">The mesh to remesh</param>
/// <param name="toRemove">The number of triangles to remove.</param>
/// <param name="progress">The progress listener.</param>
private void Remesh(ref Mesh mesh, int toRemove, IProgressListener progress = null)
{
if (!(toRemove > mesh.Triangles.Count && mesh.Triangles.Count > 10))
{
throw new ArgumentOutOfRangeException("toRemove", toRemove, "Invalid triangle count");
}
progress.OnStart("Remeshing using AngleSum Error Metric");
var triangles = mesh.Triangles;
var vertices = mesh.Vertices;
if (triangles.Count <= toRemove)
{
progress.OnComplete("Failed. Too many triangles to remove");
}
//int toRemove = (int)((m_Removed) * triangles.Count);
int triangleLimit = triangles.Count - toRemove;
foreach (var v in vertices)
{
UpdateVertexCost(v);
}
#if false // Adding mesh border penalty.
foreach (var v in vertices)
{
// Border vertices has no more that 5 neighbors
if (v.Neighbors.Count <= 4)
{
v.Cost += 1.0;
}
}
#endif
int index = 0;
while (triangles.Count > triangleLimit)
{
var min = mesh.Vertices.Min();
if (mesh.JoinToNearestByCost(min, Mesh.JoinPositionType.Source))
{
UpdateVertexCost(min);
UpdateVertexNeighborsCost(min);
progress.OnProgress(vertices.Count, triangles.Count);
index += 2;
}
}
progress.OnComplete("End of remeshing using AngleSum Error Metric");
}
